diff options
42 files changed, 10933 insertions, 202 deletions
diff --git a/libdrm/Makefile.am b/libdrm/Makefile.am index e7e07e47..24c32038 100644 --- a/libdrm/Makefile.am +++ b/libdrm/Makefile.am @@ -23,9 +23,9 @@ libdrm_ladir = $(libdir) libdrm_la_LDFLAGS = -version-number 2:3:0 -no-undefined AM_CFLAGS = -I$(top_srcdir)/shared-core -libdrm_la_SOURCES = xf86drm.c xf86drmHash.c xf86drmRandom.c xf86drmSL.c +libdrm_la_SOURCES = xf86drm.c xf86drmHash.c xf86drmRandom.c xf86drmSL.c xf86drmMode.c libdrmincludedir = ${includedir} -libdrminclude_HEADERS = xf86drm.h xf86mm.h +libdrminclude_HEADERS = xf86drm.h xf86mm.h xf86drmMode.h EXTRA_DIST = ChangeLog TODO diff --git a/libdrm/xf86drmMode.c b/libdrm/xf86drmMode.c new file mode 100644 index 00000000..a7241ffd --- /dev/null +++ b/libdrm/xf86drmMode.c @@ -0,0 +1,395 @@ +/* + * \file xf86drmMode.c + * Header for DRM modesetting interface. + * + * \author Jakob Bornecrantz <wallbraker@gmail.com> + * + * \par Acknowledgements: + * Feb 2007, Dave Airlie <airlied@linux.ie> + */ + +/* + * Copyright (c) <year> <copyright holders> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + */ + +/* + * TODO the types we are after are defined in diffrent headers on diffrent + * platforms find which headers to include to get uint32_t + */ +#include <stdint.h> + +#include "xf86drmMode.h" +#include "xf86drm.h" +#include <drm.h> +#include <string.h> + +/* + * Util functions + */ + +void* drmAllocCpy(void *array, int count, int entry_size) +{ + char *r; + int i; + + if (!count || !array || !entry_size) + return 0; + + if (!(r = drmMalloc(count*entry_size))) + return 0; + + for (i = 0; i < count; i++) + memcpy(r+(entry_size*i), array+(entry_size*i), entry_size); + + return r; +} + +/** + * Generate crtc and output ids. + * + * Will generate ids starting from 1 up to count if count is greater then 0. + */ +static uint32_t* drmAllocGenerate(int count) +{ + uint32_t *r; + int i; + + if(0 <= count) + return 0; + + if (!(r = drmMalloc(count*sizeof(*r)))) + return 0; + + for (i = 0; i < count; r[i] = ++i); + + return 0; +} + +/* + * A couple of free functions. + */ + +void drmModeFreeModeInfo(struct drm_mode_modeinfo *ptr) +{ + if (!ptr) + return; + + drmFree(ptr); +} + +void drmModeFreeResources(drmModeResPtr ptr) +{ + if (!ptr) + return; + + drmFree(ptr->modes); + drmFree(ptr); + +} + +void drmModeFreeFB(drmModeFBPtr ptr) +{ + if (!ptr) + return; + + /* we might add more frees later. */ + drmFree(ptr); +} + +void drmModeFreeCrtc(drmModeCrtcPtr ptr) +{ + if (!ptr) + return; + + drmFree(ptr); + +} + +void drmModeFreeOutput(drmModeOutputPtr ptr) +{ + if (!ptr) + return; + + drmFree(ptr->modes); + drmFree(ptr); + +} + +/* + * ModeSetting functions. + */ + +drmModeResPtr drmModeGetResources(int fd) +{ + struct drm_mode_card_res res; + int i; + drmModeResPtr r = 0; + + memset(&res, 0, sizeof(struct drm_mode_card_res)); + + if (ioctl(fd, DRM_IOCTL_MODE_GETRESOURCES, &res)) + return 0; + + if (res.count_fbs) + res.fb_id = drmMalloc(res.count_fbs*sizeof(uint32_t)); + if (res.count_crtcs) + res.crtc_id = drmMalloc(res.count_crtcs*sizeof(uint32_t)); + if (res.count_outputs) + res.output_id = drmMalloc(res.count_outputs*sizeof(uint32_t)); + if (res.count_modes) + res.modes = drmMalloc(res.count_modes*sizeof(*res.modes)); + + if (ioctl(fd, DRM_IOCTL_MODE_GETRESOURCES, &res)) { + r = NULL; + goto err_allocs; + } + + /* + * return + */ + + + if (!(r = drmMalloc(sizeof(*r)))) + return 0; + + r->count_fbs = res.count_fbs; + r->count_crtcs = res.count_crtcs; + r->count_outputs = res.count_outputs; + r->count_modes = res.count_modes; + /* TODO we realy should test if these allocs fails. */ + r->fbs = drmAllocCpy(res.fb_id, res.count_fbs, sizeof(uint32_t)); + r->crtcs = drmAllocCpy(res.crtc_id, res.count_crtcs, sizeof(uint32_t)); + r->outputs = drmAllocCpy(res.output_id, res.count_outputs, sizeof(uint32_t)); + r->modes = drmAllocCpy(res.modes, res.count_modes, sizeof(struct drm_mode_modeinfo)); + +err_allocs: + drmFree(res.fb_id); + drmFree(res.crtc_id); + drmFree(res.output_id); + drmFree(res.modes); + + return r; +} + +int drmModeAddFB(int fd, uint32_t width, uint32_t height, uint8_t depth, + uint8_t bpp, uint32_t pitch, drmBO *bo, uint32_t *buf_id) +{ + struct drm_mode_fb_cmd f; + int ret; + + f.width = width; + f.height = height; + f.pitch = pitch; + f.bpp = bpp; + f.depth = depth; + f.handle = bo->handle; + + if (ret = ioctl(fd, DRM_IOCTL_MODE_ADDFB, &f)) + return ret; + + *buf_id = f.buffer_id; + return 0; +} + +int drmModeRmFB(int fd, uint32_t bufferId) +{ + return ioctl(fd, DRM_IOCTL_MODE_RMFB, bufferId); +} + +drmModeFBPtr drmModeGetFB(int fd, uint32_t buf) +{ + struct drm_mode_fb_cmd info; + drmModeFBPtr r; + + info.buffer_id = buf; + + if (ioctl(fd, DRM_IOCTL_MODE_GETFB, &info)) + return NULL; + + if (!(r = drmMalloc(sizeof(*r)))) + return NULL; + + r->buffer_id = info.buffer_id; + r->width = info.width; + r->height = info.height; + r->pitch = info.pitch; + r->bpp = info.bpp; + r->handle = info.handle; + r->depth = info.depth; + + return r; +} + + +/* + * Crtc functions + */ + +drmModeCrtcPtr drmModeGetCrtc(int fd, uint32_t crtcId) +{ + struct drm_mode_crtc crtc; + drmModeCrtcPtr r; + int i = 0; + + crtc.count_outputs = 0; + crtc.outputs = 0; + crtc.count_possibles = 0; + crtc.possibles = 0; + crtc.crtc_id = crtcId; + + if (ioctl(fd, DRM_IOCTL_MODE_GETCRTC, &crtc)) + return 0; + + /* + * return + */ + + if (!(r = drmMalloc(sizeof(*r)))) + return 0; + + r->x = crtc.x; + r->y = crtc.y; + r->mode = crtc.mode; + r->buffer_id = crtc.fb_id; + r->gamma_size = crtc.gamma_size; + r->count_outputs = crtc.count_outputs; + r->count_possibles = crtc.count_possibles; + /* TODO we realy should test if these alloc & cpy fails. */ + r->outputs = crtc.outputs; + r->possibles = crtc.possibles; + + return r; + +err_allocs: + + return 0; +} + + +int drmModeSetCrtc(int fd, uint32_t crtcId, uint32_t bufferId, + uint32_t x, uint32_t y, uint32_t modeId, + uint32_t *outputs, int count) +{ + struct drm_mode_crtc crtc; + + crtc.count_outputs = 0; + crtc.outputs = 0; + crtc.count_possibles = 0; + crtc.possibles = 0; + + crtc.x = x; + crtc.y = y; + crtc.crtc_id = crtcId; + crtc.fb_id = bufferId; + crtc.set_outputs = outputs; + crtc.count_outputs = count; + crtc.mode = modeId; + + return ioctl(fd, DRM_IOCTL_MODE_SETCRTC, &crtc); +} + + +/* + * Output manipulation + */ + +drmModeOutputPtr drmModeGetOutput(int fd, uint32_t output_id) +{ + struct drm_mode_get_output out; + drmModeOutputPtr r = 0; + + out.output = output_id; + out.count_crtcs = 0; + out.crtcs = 0; + out.count_clones = 0; + out.clones = 0; + out.count_modes = 0; + out.modes = 0; + + if (ioctl(fd, DRM_IOCTL_MODE_GETOUTPUT, &out)) + return 0; + + if (out.count_modes) + out.modes = drmMalloc(out.count_modes*sizeof(uint32_t)); + + if (ioctl(fd, DRM_IOCTL_MODE_GETOUTPUT, &out)) + goto err_allocs; + + if(!(r = drmMalloc(sizeof(*r)))) + return 0; + + r->connection = out.connection; + r->mmWidth = out.mm_width; + r->mmHeight = out.mm_height; + r->subpixel = out.subpixel; + r->count_crtcs = out.count_crtcs; + r->count_clones = out.count_clones; + r->count_modes = out.count_modes; + /* TODO we should test if these alloc & cpy fails. */ + r->crtcs = out.crtcs; + r->clones = out.clones; + r->modes = drmAllocCpy(out.modes, out.count_modes, sizeof(uint32_t)); + strncpy(r->name, out.name, DRM_OUTPUT_NAME_LEN); + r->name[DRM_OUTPUT_NAME_LEN-1] = 0; + return r; + +err_allocs: + drmFree(out.modes); + + return 0; +} + +uint32_t drmModeAddMode(int fd, struct drm_mode_modeinfo *mode_info) +{ + if (ioctl(fd, DRM_IOCTL_MODE_ADDMODE, mode_info)) + return 0; + + return mode_info->id; +} + +int drmModeRmMode(int fd, uint32_t mode_id) +{ + return ioctl(fd, DRM_IOCTL_MODE_RMMODE, mode_id); +} + +int drmModeAttachMode(int fd, uint32_t output_id, uint32_t mode_id) +{ + + struct drm_mode_mode_cmd res; + + res.output_id = output_id; + res.mode_id = mode_id; + + return ioctl(fd, DRM_IOCTL_MODE_ATTACHMODE, &res); +} + +int drmModeDetachMode(int fd, uint32_t output_id, uint32_t mode_id) +{ + struct drm_mode_mode_cmd res; + + res.output_id = output_id; + res.mode_id = mode_id; + + return ioctl(fd, DRM_IOCTL_MODE_DETACHMODE, &res); +} + + diff --git a/libdrm/xf86drmMode.h b/libdrm/xf86drmMode.h new file mode 100644 index 00000000..b25a6610 --- /dev/null +++ b/libdrm/xf86drmMode.h @@ -0,0 +1,208 @@ +/* + * \file xf86drmMode.h + * Header for DRM modesetting interface. + * + * \author Jakob Bornecrantz <wallbraker@gmail.com> + * + * \par Acknowledgements: + * Feb 2007, Dave Airlie <airlied@linux.ie> + */ + +/* + * Copyright (c) <year> <copyright holders> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + */ + +#include <drm.h> +#include "xf86mm.h" + +/* + * This is the interface for modesetting for drm. + * + * In order to use this interface you must include either <stdint.h> or another + * header defining uint32_t, int32_t and uint16_t. + * + * It aims to provide a randr1.2 compatible interface for modesettings in the + * kernel, the interface is also ment to be used by libraries like EGL. + * + * More information can be found in randrproto.txt which can be found here: + * http://gitweb.freedesktop.org/?p=xorg/proto/randrproto.git + * + * There are some major diffrences to be noted. Unlike the randr1.2 proto you + * need to create the memory object of the framebuffer yourself with the ttm + * buffer object interface. This object needs to be pinned. + */ + + +typedef struct _drmModeRes { + + int count_fbs; + uint32_t *fbs; + + int count_crtcs; + uint32_t *crtcs; + + int count_outputs; + uint32_t *outputs; + + int count_modes; + struct drm_mode_modeinfo *modes; + +} drmModeRes, *drmModeResPtr; + +typedef struct drm_mode_fb_cmd drmModeFB, *drmModeFBPtr; + +typedef struct _drmModeCrtc { + + unsigned int buffer_id; /**< FB id to connect to 0 = disconnect*/ + + uint32_t x, y; /**< Position on the frameuffer */ + uint32_t width, height; + uint32_t mode; /**< Current mode used */ + + int count_outputs; + uint32_t outputs; /**< Outputs that are connected */ + + int count_possibles; + uint32_t possibles; /**< Outputs that can be connected */ + + int gamma_size; /**< Number of gamma stops */ + +} drmModeCrtc, *drmModeCrtcPtr; + +typedef enum { + DRM_MODE_CONNECTED = 1, + DRM_MODE_DISCONNECTED = 2, + DRM_MODE_UNKNOWNCONNECTION = 3 +} drmModeConnection; + +typedef enum { + DRM_MODE_SUBPIXEL_UNKNOWN = 1, + DRM_MODE_SUBPIXEL_HORIZONTAL_RGB = 2, + DRM_MODE_SUBPIXEL_HORIZONTAL_BGR = 3, + DRM_MODE_SUBPIXEL_VERTICAL_RGB = 4, + DRM_MODE_SUBPIXEL_VERTICAL_BGR = 5, + DRM_MODE_SUBPIXEL_NONE = 6 +} drmModeSubPixel; + +typedef struct _drmModeOutput { + + unsigned int crtc; /**< Crtc currently connected to */ + unsigned char name[DRM_OUTPUT_NAME_LEN]; + drmModeConnection connection; + uint32_t mmWidth, mmHeight; /**< HxW in millimeters */ + drmModeSubPixel subpixel; + + int count_crtcs; + uint32_t crtcs; /**< Possible crtc to connect to */ + + int count_clones; + uint32_t clones; /**< Mask of clones */ + + int count_modes; + uint32_t *modes; /**< List of modes ids */ + +} drmModeOutput, *drmModeOutputPtr; + + + +extern void drmModeFreeModeInfo( struct drm_mode_modeinfo *ptr ); +extern void drmModeFreeResources( drmModeResPtr ptr ); +extern void drmModeFreeFB( drmModeFBPtr ptr ); +extern void drmModeFreeCrtc( drmModeCrtcPtr ptr ); +extern void drmModeFreeOutput( drmModeOutputPtr ptr ); + +/** + * Retrives all of the resources associated with a card. + */ +extern drmModeResPtr drmModeGetResources(int fd); + + +/* + * FrameBuffer manipulation. + */ + +/** + * Retrive information about framebuffer bufferId + */ +extern drmModeFBPtr drmModeGetFB(int fd, uint32_t bufferId); + +/** + * Creates a new framebuffer with an buffer object as its scanout buffer. + */ +extern int drmModeAddFB(int fd, uint32_t width, uint32_t height, uint8_t depth, + uint8_t bpp, uint32_t pitch, drmBO *bo, + uint32_t *buf_id); +/** + * Destroies the given framebuffer. + */ +extern int drmModeRmFB(int fd, uint32_t bufferId); + + +/* + * Crtc functions + */ + +/** + * Retrive information about the ctrt crtcId + */ +extern drmModeCrtcPtr drmModeGetCrtc(int fd, uint32_t crtcId); + +/** + * Set the mode on a crtc crtcId with the given mode modeId. + */ +extern int drmModeSetCrtc(int fd, uint32_t crtcId, uint32_t bufferId, + uint32_t x, uint32_t y, uint32_t modeId, + uint32_t *outputs, int count); + + +/* + * Output manipulation + */ + +/** + * Retrive information about the output outputId. + */ +extern drmModeOutputPtr drmModeGetOutput(int fd, + uint32_t outputId); + +/** + * Adds a new mode from the given mode info. + * Name must be unique. + */ +extern uint32_t drmModeAddMode(int fd, struct drm_mode_modeinfo *modeInfo); + +/** + * Removes a mode created with AddMode, must be unused. + */ +extern int drmModeRmMode(int fd, uint32_t modeId); + +/** + * Attaches the given mode to an output. + */ +extern int drmModeAttachMode(int fd, uint32_t outputId, uint32_t modeId); + +/** + * Detaches a mode from the output + * must be unused, by the given mode. + */ +extern int drmModeDetachMode(int fd, uint32_t outputId, uint32_t modeId); + diff --git a/linux-core/Makefile.kernel b/linux-core/Makefile.kernel index 79136431..457e3f3c 100644 --- a/linux-core/Makefile.kernel +++ b/linux-core/Makefile.kernel @@ -13,13 +13,15 @@ drm-objs := drm_auth.o drm_bufs.o drm_context.o drm_dma.o drm_drawable.o \ drm_sysfs.o drm_pci.o drm_agpsupport.o drm_scatter.o \ drm_memory_debug.o ati_pcigart.o drm_sman.o \ drm_hashtab.o drm_mm.o drm_object.o drm_compat.o \ - drm_fence.o drm_ttm.o drm_bo.o drm_bo_move.o drm_bo_lock.o + drm_fence.o drm_ttm.o drm_bo.o drm_bo_move.o drm_crtc.o \ + drm_edid.o drm_modes.o drm_bo_lock.o tdfx-objs := tdfx_drv.o r128-objs := r128_drv.o r128_cce.o r128_state.o r128_irq.o mga-objs := mga_drv.o mga_dma.o mga_state.o mga_warp.o mga_irq.o i810-objs := i810_drv.o i810_dma.o i915-objs := i915_drv.o i915_dma.o i915_irq.o i915_mem.o i915_fence.o \ - i915_buffer.o + i915_buffer.o intel_display.o intel_crt.o intel_lvds.o \ + intel_sdvo.o intel_modes.o intel_i2c.o i915_init.o intel_fb.o nouveau-objs := nouveau_drv.o nouveau_state.o nouveau_fifo.o nouveau_mem.o \ nouveau_object.o nouveau_irq.o nouveau_notifier.o nouveau_swmthd.o \ nouveau_sgdma.o nouveau_dma.o \ diff --git a/linux-core/drmP.h b/linux-core/drmP.h index d0ab2c94..0237f593 100644 --- a/linux-core/drmP.h +++ b/linux-core/drmP.h @@ -167,6 +167,8 @@ struct drm_file; #include "drm_compat.h" +#include "drm_crtc.h" + /***********************************************************************/ /** \name Macros to make printk easier */ /*@{*/ @@ -432,6 +434,8 @@ struct drm_file { struct drm_open_hash refd_object_hash[_DRM_NO_REF_TYPES]; struct file *filp; void *driver_priv; + + struct list_head fbs; }; /** Wait queue */ @@ -659,6 +663,10 @@ struct drm_driver { unsigned long (*get_reg_ofs) (struct drm_device * dev); void (*set_version) (struct drm_device * dev, struct drm_set_version * sv); + /* FB routines, if present */ + int (*fb_probe)(struct drm_device *dev, struct drm_crtc *crtc); + int (*fb_remove)(struct drm_device *dev, struct drm_crtc *crtc); + struct drm_fence_driver *fence_driver; struct drm_bo_driver *bo_driver; @@ -827,6 +835,9 @@ struct drm_device { spinlock_t drw_lock; struct idr drw_idr; /*@} */ + + /* DRM mode setting */ + struct drm_mode_config mode_config; }; #if __OS_HAS_AGP diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c index 8d1e2f56..b6a972ed 100644 --- a/linux-core/drm_bo.c +++ b/linux-core/drm_bo.c @@ -415,7 +415,6 @@ static void drm_bo_destroy_locked(struct drm_buffer_object * bo) atomic_dec(&bm->count); - // BUG_ON(!list_empty(&bo->base.list)); drm_ctl_free(bo, sizeof(*bo), DRM_MEM_BUFOBJ); return; @@ -2191,6 +2190,7 @@ int drm_bo_driver_finish(struct drm_device * dev) mutex_unlock(&dev->struct_mutex); return ret; } +EXPORT_SYMBOL(drm_bo_driver_finish); /* * This function is intended to be called on drm driver load. diff --git a/linux-core/drm_bo_move.c b/linux-core/drm_bo_move.c index 2a35d45b..d6c58970 100644 --- a/linux-core/drm_bo_move.c +++ b/linux-core/drm_bo_move.c @@ -149,6 +149,7 @@ void drm_mem_reg_iounmap(struct drm_device * dev, struct drm_bo_mem_reg * mem, iounmap(virtual); } } +EXPORT_SYMBOL(drm_mem_reg_iounmap); static int drm_copy_io_page(void *dst, void *src, unsigned long page) { diff --git a/linux-core/drm_bufs.c b/linux-core/drm_bufs.c index 60eca60c..dc7f342a 100644 --- a/linux-core/drm_bufs.c +++ b/linux-core/drm_bufs.c @@ -54,7 +54,7 @@ struct drm_map_list *drm_find_matching_map(struct drm_device *dev, drm_local_map list_for_each_entry(entry, &dev->maplist, head) { if (entry->map && map->type == entry->map->type && ((entry->map->offset == map->offset) || - (map->type == _DRM_SHM && map->flags==_DRM_CONTAINS_LOCK))) { + ((map->type == _DRM_SHM) && (map->flags&_DRM_CONTAINS_LOCK)))) { return entry; } } @@ -407,6 +407,7 @@ int drm_rmmap_locked(struct drm_device *dev, drm_local_map_t *map) break; case _DRM_SHM: vfree(map->handle); + dev->sigdata.lock = dev->lock.hw_lock = NULL; /* SHM removed */ break; case _DRM_AGP: case _DRM_SCATTER_GATHER: diff --git a/linux-core/drm_compat.h b/linux-core/drm_compat.h index f74f4bc2..0895e5e5 100644 --- a/linux-core/drm_compat.h +++ b/linux-core/drm_compat.h @@ -60,6 +60,13 @@ #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)) #undef DRM_IRQ_ARGS #define DRM_IRQ_ARGS int irq, void *arg, struct pt_regs *regs + +typedef _Bool bool; +enum { + false = 0, + true = 1 +}; + #endif #ifndef list_for_each_safe diff --git a/linux-core/drm_crtc.c b/linux-core/drm_crtc.c new file mode 100644 index 00000000..5bc02206 --- /dev/null +++ b/linux-core/drm_crtc.c @@ -0,0 +1,1872 @@ +/* + * Copyright (c) 2006-2007 Intel Corporation + * Copyright (c) 2007 Dave Airlie <airlied@linux.ie> + * + * DRM core CRTC related functions + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting documentation, and + * that the name of the copyright holders not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no representations + * about the suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + * + * Authors: + * Keith Packard + * Eric Anholt <eric@anholt.net> + * Dave Airlie <airlied@linux.ie> + * Jesse Barnes <jesse.barnes@intel.com> + */ +#include <linux/list.h> +#include "drm.h" +#include "drmP.h" +#include "drm_crtc.h" + +/** + * drm_idr_get - allocate a new identifier + * @dev: DRM device + * @ptr: object pointer, used to generate unique ID + * + * LOCKING: + * Caller must hold DRM mode_config lock. + * + * Create a unique identifier based on @ptr in @dev's identifier space. Used + * for tracking modes, CRTCs and outputs. + * + * RETURNS: + * New unique (relative to other objects in @dev) integer identifier for the + * object. + */ +int drm_idr_get(struct drm_device *dev, void *ptr) +{ + int new_id = 0; + int ret; +again: + if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) { + DRM_ERROR("Ran out memory getting a mode number\n"); + return 0; + } + + ret = idr_get_new_above(&dev->mode_config.crtc_idr, ptr, 1, &new_id); + if (ret == -EAGAIN) + goto again; + + return new_id; +} + +/** + * drm_idr_put - free an identifer + * @dev: DRM device + * @id: ID to free + * + * LOCKING: + * Caller must hold DRM mode_config lock. + * + * Free @id from @dev's unique identifier pool. + */ +void drm_idr_put(struct drm_device *dev, int id) +{ + idr_remove(&dev->mode_config.crtc_idr, id); +} + +/** + * drm_crtc_from_fb - find the CRTC structure associated with an fb + * @dev: DRM device + * @fb: framebuffer in question + * + * LOCKING: + * Caller must hold mode_config lock. + * + * Find CRTC in the mode_config structure that matches @fb. + * + * RETURNS: + * Pointer to the CRTC or NULL if it wasn't found. + */ +struct drm_crtc *drm_crtc_from_fb(struct drm_device *dev, + struct drm_framebuffer *fb) +{ + struct drm_crtc *crtc; + + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + if (crtc->fb == fb) + return crtc; + } + return NULL; +} + +/** + * drm_framebuffer_create - create a new framebuffer object + * @dev: DRM device + * + * LOCKING: + * Caller must hold mode config lock. + * + * Creates a new framebuffer objects and adds it to @dev's DRM mode_config. + * + * RETURNS: + * Pointer to new framebuffer or NULL on error. + */ +struct drm_framebuffer *drm_framebuffer_create(struct drm_device *dev) +{ + struct drm_framebuffer *fb; + + /* Limit to single framebuffer for now */ + if (dev->mode_config.num_fb > 1) { + mutex_unlock(&dev->mode_config.mutex); + DRM_ERROR("Attempt to add multiple framebuffers failed\n"); + return NULL; + } + + fb = kzalloc(sizeof(struct drm_framebuffer), GFP_KERNEL); + if (!fb) + return NULL; + + fb->id = drm_idr_get(dev, fb); + fb->dev = dev; + dev->mode_config.num_fb++; + list_add(&fb->head, &dev->mode_config.fb_list); + + return fb; +} +EXPORT_SYMBOL(drm_framebuffer_create); + +/** + * drm_framebuffer_destroy - remove a framebuffer object + * @fb: framebuffer to remove + * + * LOCKING: + * Caller must hold mode config lock. + * + * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes + * it, setting it to NULL. + */ +void drm_framebuffer_destroy(struct drm_framebuffer *fb) +{ + struct drm_device *dev = fb->dev; + struct drm_crtc *crtc; + + /* remove from any CRTC */ + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + if (crtc->fb == fb) + crtc->fb = NULL; + } + + drm_idr_put(dev, fb->id); + list_del(&fb->head); + dev->mode_config.num_fb--; + + kfree(fb); +} +EXPORT_SYMBOL(drm_framebuffer_destroy); + +/** + * drm_crtc_create - create a new CRTC object + * @dev: DRM device + * @funcs: callbacks for the new CRTC + * + * LOCKING: + * Caller must hold mode config lock. + * + * Creates a new CRTC object and adds it to @dev's mode_config structure. + * + * RETURNS: + * Pointer to new CRTC object or NULL on error. + */ +struct drm_crtc *drm_crtc_create(struct drm_device *dev, + const struct drm_crtc_funcs *funcs) +{ + struct drm_crtc *crtc; + + crtc = kzalloc(sizeof(struct drm_crtc), GFP_KERNEL); + if (!crtc) + return NULL; + + crtc->dev = dev; + crtc->funcs = funcs; + + crtc->id = drm_idr_get(dev, crtc); + + list_add_tail(&crtc->head, &dev->mode_config.crtc_list); + dev->mode_config.num_crtc++; + + return crtc; +} +EXPORT_SYMBOL(drm_crtc_create); + +/** + * drm_crtc_destroy - remove a CRTC object + * @crtc: CRTC to remove + * + * LOCKING: + * Caller must hold mode config lock. + * + * Cleanup @crtc. Calls @crtc's cleanup function, then removes @crtc from + * its associated DRM device's mode_config. Frees it afterwards. + */ +void drm_crtc_destroy(struct drm_crtc *crtc) +{ + struct drm_device *dev = crtc->dev; + + if (crtc->funcs->cleanup) + (*crtc->funcs->cleanup)(crtc); + + drm_idr_put(dev, crtc->id); + list_del(&crtc->head); + dev->mode_config.num_crtc--; + kfree(crtc); +} +EXPORT_SYMBOL(drm_crtc_destroy); + +/** + * drm_crtc_in_use - check if a given CRTC is in a mode_config + * @crtc: CRTC to check + * + * LOCKING: + * Caller must hold mode config lock. + * + * Walk @crtc's DRM device's mode_config and see if it's in use. + * + * RETURNS: + * True if @crtc is part of the mode_config, false otherwise. + */ +bool drm_crtc_in_use(struct drm_crtc *crtc) +{ + struct drm_output *output; + struct drm_device *dev = crtc->dev; + /* FIXME: Locking around list access? */ + list_for_each_entry(output, &dev->mode_config.output_list, head) + if (output->crtc == crtc) + return true; + return false; +} +EXPORT_SYMBOL(drm_crtc_in_use); + +/* + * Detailed mode info for a standard 640x480@60Hz monitor + */ +static struct drm_display_mode std_mode[] = { + { DRM_MODE("640x480", DRM_MODE_TYPE_DEFAULT, 25200, 640, 656, + 752, 800, 0, 480, 490, 492, 525, 0, + V_NHSYNC | V_NVSYNC) }, /* 640x480@60Hz */ +}; + +/** + * drm_crtc_probe_output_modes - get complete set of display modes + * @dev: DRM device + * @maxX: max width for modes + * @maxY: max height for modes + * + * LOCKING: + * Caller must hold mode config lock. + * + * Based on @dev's mode_config layout, scan all the outputs and try to detect + * modes on them. Modes will first be added to the output's probed_modes + * list, then culled (based on validity and the @maxX, @maxY parameters) and + * put into the normal modes list. + * + * Intended to be used either at bootup time or when major configuration + * changes have occurred. + * + * FIXME: take into account monitor limits + */ +void drm_crtc_probe_output_modes(struct drm_device *dev, int maxX, int maxY) +{ + struct drm_output *output; + struct drm_display_mode *mode, *t; + int ret; + //if (maxX == 0 || maxY == 0) + // TODO + + list_for_each_entry(output, &dev->mode_config.output_list, head) { + + /* set all modes to the unverified state */ + list_for_each_entry_safe(mode, t, &output->modes, head) + mode->status = MODE_UNVERIFIED; + + output->status = (*output->funcs->detect)(output); + + if (output->status == output_status_disconnected) { + DRM_DEBUG("%s is disconnected\n", output->name); + /* TODO set EDID to NULL */ + continue; + } + + ret = (*output->funcs->get_modes)(output); + + if (ret) { + drm_mode_output_list_update(output); + } + + if (maxX && maxY) + drm_mode_validate_size(dev, &output->modes, maxX, + maxY, 0); + list_for_each_entry_safe(mode, t, &output->modes, head) { + if (mode->status == MODE_OK) + mode->status = (*output->funcs->mode_valid)(output,mode); + } + + + drm_mode_prune_invalid(dev, &output->modes, TRUE); + + if (list_empty(&output->modes)) { + struct drm_display_mode *stdmode; + + DRM_DEBUG("No valid modes on %s\n", output->name); + + /* Should we do this here ??? + * When no valid EDID modes are available we end up + * here and bailed in the past, now we add a standard + * 640x480@60Hz mode and carry on. + */ + stdmode = drm_mode_duplicate(dev, &std_mode[0]); + drm_mode_probed_add(output, stdmode); + drm_mode_list_concat(&output->probed_modes, + &output->modes); + + DRM_DEBUG("Adding standard 640x480 @ 60Hz to %s\n", + output->name); + } + + drm_mode_sort(&output->modes); + + DRM_DEBUG("Probed modes for %s\n", output->name); + list_for_each_entry_safe(mode, t, &output->modes, head) { + mode->vrefresh = drm_mode_vrefresh(mode); + + drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); + drm_mode_debug_printmodeline(dev, mode); + } + } +} + +/** + * drm_crtc_set_mode - set a mode + * @crtc: CRTC to program + * @mode: mode to use + * @x: width of mode + * @y: height of mode + * + * LOCKING: + * Caller must hold mode config lock. + * + * Try to set @mode on @crtc. Give @crtc and its associated outputs a chance + * to fixup or reject the mode prior to trying to set it. + * + * RETURNS: + * True if the mode was set successfully, or false otherwise. + */ +bool drm_crtc_set_mode(struct drm_crtc *crtc, struct drm_display_mode *mode, + int x, int y) +{ + struct drm_device *dev = crtc->dev; + struct drm_display_mode *adjusted_mode, saved_mode; + int saved_x, saved_y; + bool didLock = false; + bool ret = false; + struct drm_output *output; + + adjusted_mode = drm_mode_duplicate(dev, mode); + + crtc->enabled = drm_crtc_in_use(crtc); + + if (!crtc->enabled) { + return true; + } + + didLock = crtc->funcs->lock(crtc); + + saved_mode = crtc->mode; + saved_x = crtc->x; + saved_y = crtc->y; + + /* Update crtc values up front so the driver can rely on them for mode + * setting. + */ + crtc->mode = *mode; + crtc->x = x; + crtc->y = y; + + /* XXX short-circuit changes to base location only */ + + /* Pass our mode to the outputs and the CRTC to give them a chance to + * adjust it according to limitations or output properties, and also + * a chance to reject the mode entirely. + */ + list_for_each_entry(output, &dev->mode_config.output_list, head) { + + if (output->crtc != crtc) + continue; + + if (!output->funcs->mode_fixup(output, mode, adjusted_mode)) { + goto done; + } + } + + if (!crtc->funcs->mode_fixup(crtc, mode, adjusted_mode)) { + goto done; + } + + /* Prepare the outputs and CRTCs before setting the mode. */ + list_for_each_entry(output, &dev->mode_config.output_list, head) { + + if (output->crtc != crtc) + continue; + + /* Disable the output as the first thing we do. */ + output->funcs->prepare(output); + } + + crtc->funcs->prepare(crtc); + + /* Set up the DPLL and any output state that needs to adjust or depend + * on the DPLL. + */ + crtc->funcs->mode_set(crtc, mode, adjusted_mode, x, y); + + list_for_each_entry(output, &dev->mode_config.output_list, head) { + + if (output->crtc != crtc) + continue; + + DRM_INFO("%s: set mode %s\n", output->name, mode->name); + + output->funcs->mode_set(output, mode, adjusted_mode); + } + + /* Now, enable the clocks, plane, pipe, and outputs that we set up. */ + crtc->funcs->commit(crtc); + + list_for_each_entry(output, &dev->mode_config.output_list, head) { + + if (output->crtc != crtc) + continue; + + output->funcs->commit(output); + +#if 0 // TODO def RANDR_12_INTERFACE + if (output->randr_output) + RRPostPendingProperties (output->randr_output); +#endif + } + + /* XXX free adjustedmode */ + drm_mode_destroy(dev, adjusted_mode); + ret = TRUE; + /* TODO */ +// if (scrn->pScreen) +// drm_crtc_set_screen_sub_pixel_order(dev); + +done: + if (!ret) { + crtc->x = saved_x; + crtc->y = saved_y; + crtc->mode = saved_mode; + } + + if (didLock) + crtc->funcs->unlock (crtc); + + return ret; +} +EXPORT_SYMBOL(drm_crtc_set_mode); + +/** + * drm_disable_unused_functions - disable unused objects + * @dev: DRM device + * + * LOCKING: + * Caller must hold mode config lock. + * + * If an output or CRTC isn't part of @dev's mode_config, it can be disabled + * by calling its dpms function, which should power it off. + */ +void drm_disable_unused_functions(struct drm_device *dev) +{ + struct drm_output *output; + struct drm_crtc *crtc; + + list_for_each_entry(output, &dev->mode_config.output_list, head) { + if (!output->crtc) + (*output->funcs->dpms)(output, DPMSModeOff); + } + + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + if (!crtc->enabled) + crtc->funcs->dpms(crtc, DPMSModeOff); + } +} + +/** + * drm_mode_probed_add - add a mode to the specified output's probed mode list + * @output: output the new mode + * @mode: mode data + * + * LOCKING: + * Caller must hold mode config lock. + * + * Add @mode to @output's mode list for later use. + */ +void drm_mode_probed_add(struct drm_output *output, + struct drm_display_mode *mode) +{ + list_add(&mode->head, &output->probed_modes); +} +EXPORT_SYMBOL(drm_mode_probed_add); + +/** + * drm_mode_remove - remove and free a mode + * @output: output list to modify + * @mode: mode to remove + * + * LOCKING: + * Caller must hold mode config lock. + * + * Remove @mode from @output's mode list, then free it. + */ +void drm_mode_remove(struct drm_output *output, struct drm_display_mode *mode) +{ + list_del(&mode->head); + kfree(mode); +} +EXPORT_SYMBOL(drm_mode_remove); + +/** + * drm_output_create - create a new output + * @dev: DRM device + * @funcs: callbacks for this output + * @name: user visible name of the output + * + * LOCKING: + * Caller must hold @dev's mode_config lock. + * + * Creates a new drm_output structure and adds it to @dev's mode_config + * structure. + * + * RETURNS: + * Pointer to the new output or NULL on error. + */ +struct drm_output *drm_output_create(struct drm_device *dev, + const struct drm_output_funcs *funcs, + const char *name) +{ + struct drm_output *output = NULL; + + output = kzalloc(sizeof(struct drm_output), GFP_KERNEL); + if (!output) + return NULL; + + output->dev = dev; + output->funcs = funcs; + output->id = drm_idr_get(dev, output); + if (name) + strncpy(output->name, name, DRM_OUTPUT_LEN); + output->name[DRM_OUTPUT_LEN - 1] = 0; + output->subpixel_order = SubPixelUnknown; + INIT_LIST_HEAD(&output->probed_modes); + INIT_LIST_HEAD(&output->modes); + /* randr_output? */ + /* output_set_monitor(output)? */ + /* check for output_ignored(output)? */ + + mutex_lock(&dev->mode_config.mutex); + list_add_tail(&output->head, &dev->mode_config.output_list); + dev->mode_config.num_output++; + + mutex_unlock(&dev->mode_config.mutex); + + return output; + +} +EXPORT_SYMBOL(drm_output_create); + +/** + * drm_output_destroy - remove an output + * @output: output to remove + * + * LOCKING: + * Caller must hold @dev's mode_config lock. + * + * Call @output's cleanup function, then remove the output from the DRM + * mode_config after freeing @output's modes. + */ +void drm_output_destroy(struct drm_output *output) +{ + struct drm_device *dev = output->dev; + struct drm_display_mode *mode, *t; + + if (*output->funcs->cleanup) + (*output->funcs->cleanup)(output); + + list_for_each_entry_safe(mode, t, &output->probed_modes, head) + drm_mode_remove(output, mode); + + list_for_each_entry_safe(mode, t, &output->modes, head) + drm_mode_remove(output, mode); + + mutex_lock(&dev->mode_config.mutex); + drm_idr_put(dev, output->id); + list_del(&output->head); + mutex_unlock(&dev->mode_config.mutex); + kfree(output); +} +EXPORT_SYMBOL(drm_output_destroy); + +/** + * drm_output_rename - rename an output + * @output: output to rename + * @name: new user visible name + * + * LOCKING: + * None. + * + * Simply stuff a new name into @output's name field, based on @name. + * + * RETURNS: + * True if the name was changed, false otherwise. + */ +bool drm_output_rename(struct drm_output *output, const char *name) +{ + if (!name) + return false; + + strncpy(output->name, name, DRM_OUTPUT_LEN); + output->name[DRM_OUTPUT_LEN - 1] = 0; + + DRM_DEBUG("Changed name to %s\n", output->name); +// drm_output_set_monitor(output); +// if (drm_output_ignored(output)) +// return FALSE; + + return TRUE; +} +EXPORT_SYMBOL(drm_output_rename); + +/** + * drm_mode_create - create a new display mode + * @dev: DRM device + * + * LOCKING: + * None. + * + * Create a new drm_display_mode, give it an ID, and return it. + * + * RETURNS: + * Pointer to new mode on success, NULL on error. + */ +struct drm_display_mode *drm_mode_create(struct drm_device *dev) +{ + struct drm_display_mode *nmode; + + nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL); + if (!nmode) + return NULL; + + nmode->mode_id = drm_idr_get(dev, nmode); + return nmode; +} +EXPORT_SYMBOL(drm_mode_create); + +/** + * drm_mode_destroy - remove a mode + * @dev: DRM device + * @mode: mode to remove + * + * LOCKING: + * Caller must hold mode config lock. + * + * Free @mode's unique identifier, then free it. + */ +void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) +{ + drm_idr_put(dev, mode->mode_id); + + kfree(mode); +} +EXPORT_SYMBOL(drm_mode_destroy); + +/** + * drm_mode_config_init - initialize DRM mode_configuration structure + * @dev: DRM device + * + * LOCKING: + * None, should happen single threaded at init time. + * + * Initialize @dev's mode_config structure, used for tracking the graphics + * configuration of @dev. + */ +void drm_mode_config_init(struct drm_device *dev) +{ + mutex_init(&dev->mode_config.mutex); + INIT_LIST_HEAD(&dev->mode_config.fb_list); + INIT_LIST_HEAD(&dev->mode_config.crtc_list); + INIT_LIST_HEAD(&dev->mode_config.output_list); + INIT_LIST_HEAD(&dev->mode_config.usermode_list); + idr_init(&dev->mode_config.crtc_idr); +} +EXPORT_SYMBOL(drm_mode_config_init); + +/** + * drm_get_buffer_object - find the buffer object for a given handle + * @dev: DRM device + * @bo: pointer to caller's buffer_object pointer + * @handle: handle to lookup + * + * LOCKING: + * Must take @dev's struct_mutex to protect buffer object lookup. + * + * Given @handle, lookup the buffer object in @dev and put it in the caller's + * @bo pointer. + * + * RETURNS: + * Zero on success, -EINVAL if the handle couldn't be found. + */ +static int drm_get_buffer_object(struct drm_device *dev, struct drm_buffer_object **bo, unsigned long handle) +{ + struct drm_user_object *uo; + struct drm_hash_item *hash; + int ret; + + *bo = NULL; + + mutex_lock(&dev->struct_mutex); + ret = drm_ht_find_item(&dev->object_hash, handle, &hash); + if (ret) { + DRM_ERROR("Couldn't find handle.\n"); + ret = -EINVAL; + goto out_err; + } + + uo = drm_hash_entry(hash, struct drm_user_object, hash); + if (uo->type != drm_buffer_type) { + ret = -EINVAL; + goto out_err; + } + + *bo = drm_user_object_entry(uo, struct drm_buffer_object, base); + ret = 0; +out_err: + mutex_unlock(&dev->struct_mutex); + return ret; +} + +/** + * drm_pick_crtcs - pick crtcs for output devices + * @dev: DRM device + * + * LOCKING: + * Caller must hold mode config lock. + */ +static void drm_pick_crtcs (struct drm_device *dev) +{ + int c, o, assigned; + struct drm_output *output, *output_equal; + struct drm_crtc *crtc; + struct drm_display_mode *des_mode = NULL, *modes, *modes_equal; + + list_for_each_entry(output, &dev->mode_config.output_list, head) { + output->crtc = NULL; + + /* Don't hook up outputs that are disconnected ?? + * + * This is debateable. Do we want fixed /dev/fbX or + * dynamic on hotplug (need mode code for that though) ? + * + * If we don't hook up outputs now, then we only create + * /dev/fbX for the output that's enabled, that's good as + * the users console will be on that output. + * + * If we do hook up outputs that are disconnected now, then + * the user may end up having to muck about with the fbcon + * map flags to assign his console to the enabled output. Ugh. + */ + if (output->status != output_status_connected) + continue; + + des_mode = NULL; + list_for_each_entry(des_mode, &output->modes, head) { + if (des_mode->type & DRM_MODE_TYPE_PREFERRED) + break; + } + + /* No preferred mode, let's just select the first available */ + if (!des_mode || !(des_mode->type & DRM_MODE_TYPE_PREFERRED)) { + list_for_each_entry(des_mode, &output->modes, head) { + if (des_mode) + break; + } + } + + c = -1; + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + assigned = 0; + + c++; + if ((output->possible_crtcs & (1 << c)) == 0) + continue; + + list_for_each_entry(output_equal, &dev->mode_config.output_list, head) { + if (output->id == output_equal->id) + continue; + + /* Find out if crtc has been assigned before */ + if (output_equal->crtc == crtc) + assigned = 1; + } + +#if 1 /* continue for now */ + if (assigned) + continue; +#endif + + o = -1; + list_for_each_entry(output_equal, &dev->mode_config.output_list, head) { + o++; + if (output->id == output_equal->id) + continue; + + list_for_each_entry(modes, &output->modes, head) { + list_for_each_entry(modes_equal, &output_equal->modes, head) { + if (drm_mode_equal (modes, modes_equal)) { + if ((output->possible_clones & output_equal->possible_clones) && (output_equal->crtc == crtc)) { + printk("Cloning %s (0x%lx) to %s (0x%lx)\n",output->name,output->possible_clones,output_equal->name,output_equal->possible_clones); + assigned = 0; + goto clone; + } + } + } + } + } + +clone: + /* crtc has been assigned skip it */ + if (assigned) + continue; + + /* Found a CRTC to attach to, do it ! */ + output->crtc = crtc; + output->crtc->desired_mode = des_mode; + output->initial_x = 0; + output->initial_y = 0; + DRM_DEBUG("Desired mode for CRTC %d is %s\n",c,des_mode->name); + break; + } + } +} + + +/** + * drm_initial_config - setup a sane initial output configuration + * @dev: DRM device + * @can_grow: this configuration is growable + * + * LOCKING: + * Called at init time, must take mode config lock. + * + * Scan the CRTCs and outputs and try to put together an initial setup. + * At the moment, this is a cloned configuration across all heads with + * a new framebuffer object as the backing store. + * + * RETURNS: + * Zero if everything went ok, nonzero otherwise. + */ +bool drm_initial_config(struct drm_device *dev, bool can_grow) +{ + struct drm_output *output; + struct drm_crtc *crtc; + int ret = false; + + mutex_lock(&dev->mode_config.mutex); + + drm_crtc_probe_output_modes(dev, 2048, 2048); + + drm_pick_crtcs(dev); + + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + + /* can't setup the crtc if there's no assigned mode */ + if (!crtc->desired_mode) + continue; + + /* Now setup the fbdev for attached crtcs */ + dev->driver->fb_probe(dev, crtc); + } + + /* This is a little screwy, as we've already walked the outputs + * above, but it's a little bit of magic too. There's the potential + * for things not to get setup above if an existing device gets + * re-assigned thus confusing the hardware. By walking the outputs + * this fixes up their crtc's. + */ + list_for_each_entry(output, &dev->mode_config.output_list, head) { + + /* can't setup the output if there's no assigned mode */ + if (!output->crtc || !output->crtc->desired_mode) + continue; + + /* and needs an attached fb */ + if (output->crtc->fb) + drm_crtc_set_mode(output->crtc, output->crtc->desired_mode, 0, 0); + } + + drm_disable_unused_functions(dev); + + mutex_unlock(&dev->mode_config.mutex); + return ret; +} +EXPORT_SYMBOL(drm_initial_config); + +/** + * drm_mode_config_cleanup - free up DRM mode_config info + * @dev: DRM device + * + * LOCKING: + * Caller must hold mode config lock. + * + * Free up all the outputs and CRTCs associated with this DRM device, then + * free up the framebuffers and associated buffer objects. + * + * FIXME: cleanup any dangling user buffer objects too + */ +void drm_mode_config_cleanup(struct drm_device *dev) +{ + struct drm_output *output, *ot; + struct drm_crtc *crtc, *ct; + struct drm_framebuffer *fb, *fbt; + struct drm_display_mode *mode, *mt; + list_for_each_entry_safe(output, ot, &dev->mode_config.output_list, head) { + drm_output_destroy(output); + } + + list_for_each_entry_safe(mode, mt, &dev->mode_config.usermode_list, head) { + drm_mode_destroy(dev, mode); + } + + list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { + if (fb->bo->type != drm_bo_type_kernel) + drm_framebuffer_destroy(fb); + else + dev->driver->fb_remove(dev, drm_crtc_from_fb(dev, fb)); + } + + list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { + drm_crtc_destroy(crtc); + } + +} +EXPORT_SYMBOL(drm_mode_config_cleanup); + +/** + * drm_crtc_set_config - set a new config from userspace + * @crtc: CRTC to setup + * @crtc_info: user provided configuration + * @new_mode: new mode to set + * @output_set: set of outputs for the new config + * @fb: new framebuffer + * + * LOCKING: + * Caller must hold mode config lock. + * + * Setup a new configuration, provided by the user in @crtc_info, and enable + * it. + * + * RETURNS: + * Zero. (FIXME) + */ +int drm_crtc_set_config(struct drm_crtc *crtc, struct drm_mode_crtc *crtc_info, struct drm_display_mode *new_mode, struct drm_output **output_set, struct drm_framebuffer *fb) +{ + struct drm_device *dev = crtc->dev; + struct drm_crtc **save_crtcs, *new_crtc; + bool save_enabled = crtc->enabled; + bool changed; + struct drm_output *output; + int count = 0, ro; + + save_crtcs = kzalloc(dev->mode_config.num_crtc * sizeof(struct drm_crtc *), GFP_KERNEL); + if (!save_crtcs) + return -ENOMEM; + + if (crtc->fb != fb) + changed = true; + + if (crtc_info->x != crtc->x || crtc_info->y != crtc->y) + changed = true; + + if (new_mode && (crtc->mode.mode_id != new_mode->mode_id)) + changed = true; + + list_for_each_entry(output, &dev->mode_config.output_list, head) { + save_crtcs[count++] = output->crtc; + + if (output->crtc == crtc) + new_crtc = NULL; + else + new_crtc = output->crtc; + + for (ro = 0; ro < crtc_info->count_outputs; ro++) { + if (output_set[ro] == output) + new_crtc = crtc; + } + if (new_crtc != output->crtc) { + changed = true; + output->crtc = new_crtc; + } + } + + if (changed) { + crtc->fb = fb; + crtc->enabled = (new_mode != NULL); + if (new_mode != NULL) { + DRM_DEBUG("attempting to set mode from userspace\n"); + drm_mode_debug_printmodeline(dev, new_mode); + if (!drm_crtc_set_mode(crtc, new_mode, crtc_info->x, + crtc_info->y)) { + crtc->enabled = save_enabled; + count = 0; + list_for_each_entry(output, &dev->mode_config.output_list, head) + output->crtc = save_crtcs[count++]; + kfree(save_crtcs); + return -EINVAL; + } + crtc->desired_x = crtc_info->x; + crtc->desired_y = crtc_info->y; + crtc->desired_mode = new_mode; + } + drm_disable_unused_functions(dev); + } + kfree(save_crtcs); + return 0; +} + +/** + * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo + * @out: drm_mode_modeinfo struct to return to the user + * @in: drm_display_mode to use + * + * LOCKING: + * None. + * + * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to + * the user. + */ +void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, struct drm_display_mode *in) +{ + + out->id = in->mode_id; + out->clock = in->clock; + out->hdisplay = in->hdisplay; + out->hsync_start = in->hsync_start; + out->hsync_end = in->hsync_end; + out->htotal = in->htotal; + out->hskew = in->hskew; + out->vdisplay = in->vdisplay; + out->vsync_start = in->vsync_start; + out->vsync_end = in->vsync_end; + out->vtotal = in->vtotal; + out->vscan = in->vscan; + out->vrefresh = in->vrefresh; + out->flags = in->flags; + strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); + out->name[DRM_DISPLAY_MODE_LEN-1] = 0; +} + +/** + * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode + * @out: drm_display_mode to return to the user + * @in: drm_mode_modeinfo to use + * + * LOCKING: + * None. + * + * Convert a drmo_mode_modeinfo into a drm_display_mode structure to return to + * the caller. + */ +void drm_crtc_convert_umode(struct drm_display_mode *out, struct drm_mode_modeinfo *in) +{ + out->clock = in->clock; + out->hdisplay = in->hdisplay; + out->hsync_start = in->hsync_start; + out->hsync_end = in->hsync_end; + out->htotal = in->htotal; + out->hskew = in->hskew; + out->vdisplay = in->vdisplay; + out->vsync_start = in->vsync_start; + out->vsync_end = in->vsync_end; + out->vtotal = in->vtotal; + out->vscan = in->vscan; + out->vrefresh = in->vrefresh; + out->flags = in->flags; + strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); + out->name[DRM_DISPLAY_MODE_LEN-1] = 0; +} + +/** + * drm_mode_getresources - get graphics configuration + * @inode: inode from the ioctl + * @filp: file * from the ioctl + * @cmd: cmd from ioctl + * @arg: arg from ioctl + * + * LOCKING: + * Takes mode config lock. + * + * Construct a set of configuration description structures and return + * them to the user, including CRTC, output and framebuffer configuration. + * + * Called by the user via ioctl. + * + * RETURNS: + * Zero on success, errno on failure. + */ +int drm_mode_getresources(struct drm_device *dev, + void *data, struct drm_file *file_priv) +{ + struct drm_mode_card_res *card_res = data; + struct list_head *lh; + struct drm_framebuffer *fb; + struct drm_output *output; + struct drm_crtc *crtc; + struct drm_mode_modeinfo u_mode; + struct drm_display_mode *mode; + int ret = 0; + int mode_count= 0; + int output_count = 0; + int crtc_count = 0; + int fb_count = 0; + int copied = 0; + + memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); + + mutex_lock(&dev->mode_config.mutex); + + list_for_each(lh, &dev->mode_config.fb_list) + fb_count++; + + list_for_each(lh, &dev->mode_config.crtc_list) + crtc_count++; + + list_for_each_entry(output, &dev->mode_config.output_list, + head) { + output_count++; + list_for_each(lh, &output->modes) + mode_count++; + } + list_for_each(lh, &dev->mode_config.usermode_list) + mode_count++; + + if (card_res->count_modes == 0) { + DRM_DEBUG("probing modes %dx%d\n", dev->mode_config.max_width, dev->mode_config.max_height); + drm_crtc_probe_output_modes(dev, dev->mode_config.max_width, dev->mode_config.max_height); + mode_count = 0; + list_for_each_entry(output, &dev->mode_config.output_list, head) { + list_for_each(lh, &output->modes) + mode_count++; + } + list_for_each(lh, &dev->mode_config.usermode_list) + mode_count++; + } + + /* handle this in 4 parts */ + /* FBs */ + if (card_res->count_fbs >= fb_count) { + copied = 0; + list_for_each_entry(fb, &dev->mode_config.fb_list, head) { + card_res->fb_id[copied++] = fb->id; + } + } + card_res->count_fbs = fb_count; + + /* CRTCs */ + if (card_res->count_crtcs >= crtc_count) { + copied = 0; + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head){ + DRM_DEBUG("CRTC ID is %d\n", crtc->id); + card_res->crtc_id[copied++] = crtc->id; + } + } + card_res->count_crtcs = crtc_count; + + + /* Outputs */ + if (card_res->count_outputs >= output_count) { + copied = 0; + list_for_each_entry(output, &dev->mode_config.output_list, + head) { + DRM_DEBUG("OUTPUT ID is %d\n", output->id); + card_res->output_id[copied++] = output->id; + } + } + card_res->count_outputs = output_count; + + /* Modes */ + if (card_res->count_modes >= mode_count) { + copied = 0; + list_for_each_entry(output, &dev->mode_config.output_list, + head) { + list_for_each_entry(mode, &output->modes, head) { + drm_crtc_convert_to_umode(&u_mode, mode); + card_res->modes[copied++] = u_mode; + } + } + /* add in user modes */ + list_for_each_entry(mode, &dev->mode_config.usermode_list, head) { + drm_crtc_convert_to_umode(&u_mode, mode); + card_res->modes[copied++] = u_mode; + } + } + card_res->count_modes = mode_count; + + DRM_DEBUG("Counted %d %d %d\n", card_res->count_crtcs, + card_res->count_outputs, + card_res->count_modes); + + mutex_unlock(&dev->mode_config.mutex); + return ret; +} + +/** + * drm_mode_getcrtc - get CRTC configuration + * @inode: inode from the ioctl + * @filp: file * from the ioctl + * @cmd: cmd from ioctl + * @arg: arg from ioctl + * + * LOCKING: + * Caller? (FIXME) + * + * Construct a CRTC configuration structure to return to the user. + * + * Called by the user via ioctl. + * + * RETURNS: + * Zero on success, errno on failure. + */ +int drm_mode_getcrtc(struct drm_device *dev, + void *data, struct drm_file *file_priv) +{ + struct drm_mode_crtc *crtc_resp = data; + struct drm_crtc *crtc; + struct drm_output *output; + int ocount; + int ret = 0; + + mutex_lock(&dev->mode_config.mutex); + crtc = idr_find(&dev->mode_config.crtc_idr, crtc_resp->crtc_id); + if (!crtc || (crtc->id != crtc_resp->crtc_id)) { + ret = -EINVAL; + goto out; + } + + crtc_resp->x = crtc->x; + crtc_resp->y = crtc->y; + crtc_resp->fb_id = 1; + + crtc_resp->outputs = 0; + if (crtc->enabled) { + + crtc_resp->mode = crtc->mode.mode_id; + ocount = 0; + list_for_each_entry(output, &dev->mode_config.output_list, head) { + if (output->crtc == crtc) + crtc_resp->outputs |= 1 << (ocount++); + } + } else { + crtc_resp->mode = 0; + } + +out: + mutex_unlock(&dev->mode_config.mutex); + return ret; +} + +/** + * drm_mode_getoutput - get output configuration + * @inode: inode from the ioctl + * @filp: file * from the ioctl + * @cmd: cmd from ioctl + * @arg: arg from ioctl + * + * LOCKING: + * Caller? (FIXME) + * + * Construct a output configuration structure to return to the user. + * + * Called by the user via ioctl. + * + * RETURNS: + * Zero on success, errno on failure. + */ +int drm_mode_getoutput(struct drm_device *dev, + void *data, struct drm_file *file_priv) +{ + struct drm_mode_get_output *out_resp = data; + struct drm_output *output; + struct drm_display_mode *mode; + int mode_count = 0; + int ret = 0; + int copied = 0; + int i; + + DRM_DEBUG("output id %d:\n", out_resp->output); + + mutex_lock(&dev->mode_config.mutex); + output= idr_find(&dev->mode_config.crtc_idr, out_resp->output); + if (!output || (output->id != out_resp->output)) { + ret = -EINVAL; + goto done; + } + + list_for_each_entry(mode, &output->modes, head) + mode_count++; + + for (i = 0; i < DRM_OUTPUT_MAX_UMODES; i++) + if (output->user_mode_ids[i] != 0) + mode_count++; + + strncpy(out_resp->name, output->name, DRM_OUTPUT_NAME_LEN); + out_resp->name[DRM_OUTPUT_NAME_LEN-1] = 0; + + out_resp->mm_width = output->mm_width; + out_resp->mm_height = output->mm_height; + out_resp->subpixel = output->subpixel_order; + out_resp->connection = output->status; + if (output->crtc) + out_resp->crtc = output->crtc->id; + else + out_resp->crtc = 0; + + if ((out_resp->count_modes >= mode_count) && mode_count) { + copied = 0; + list_for_each_entry(mode, &output->modes, head) { + out_resp->modes[copied++] = mode->mode_id; + } + for (i = 0; i < DRM_OUTPUT_MAX_UMODES; i++) { + if (output->user_mode_ids[i] != 0) + out_resp->modes[copied++] = output->user_mode_ids[i]; + } + + } + out_resp->count_modes = mode_count; + +done: + mutex_unlock(&dev->mode_config.mutex); + return ret; +} + +/** + * drm_mode_setcrtc - set CRTC configuration + * @inode: inode from the ioctl + * @filp: file * from the ioctl + * @cmd: cmd from ioctl + * @arg: arg from ioctl + * + * LOCKING: + * Caller? (FIXME) + * + * Build a new CRTC configuration based on user request. + * + * Called by the user via ioctl. + * + * RETURNS: + * Zero on success, errno on failure. + */ +int drm_mode_setcrtc(struct drm_device *dev, + void *data, struct drm_file *file_priv) +{ + struct drm_mode_crtc *crtc_req = data; + struct drm_crtc *crtc; + struct drm_output **output_set = NULL, *output; + struct drm_display_mode *mode; + struct drm_framebuffer *fb = NULL; + int ret = 0; + int i; + + mutex_lock(&dev->mode_config.mutex); + crtc = idr_find(&dev->mode_config.crtc_idr, crtc_req->crtc_id); + if (!crtc || (crtc->id != crtc_req->crtc_id)) { + DRM_DEBUG("Unknown CRTC ID %d\n", crtc_req->crtc_id); + ret = -EINVAL; + goto out; + } + + if (crtc_req->mode) { + /* if we have a mode we need a framebuffer */ + if (crtc_req->fb_id) { + fb = idr_find(&dev->mode_config.crtc_idr, crtc_req->fb_id); + if (!fb || (fb->id != crtc_req->fb_id)) { + DRM_DEBUG("Unknown FB ID%d\n", crtc_req->fb_id); + ret = -EINVAL; + goto out; + } + } + mode = idr_find(&dev->mode_config.crtc_idr, crtc_req->mode); + if (!mode || (mode->mode_id != crtc_req->mode)) { + struct drm_output *output; + + list_for_each_entry(output, + &dev->mode_config.output_list, + head) { + list_for_each_entry(mode, &output->modes, + head) { + drm_mode_debug_printmodeline(dev, + mode); + } + } + + DRM_DEBUG("Unknown mode id %d, %p\n", crtc_req->mode, mode); + ret = -EINVAL; + goto out; + } + } else + mode = NULL; + + if (crtc_req->count_outputs == 0 && mode) { + DRM_DEBUG("Count outputs is 0 but mode set\n"); + ret = -EINVAL; + goto out; + } + + if (crtc_req->count_outputs > 0 && !mode && !fb) { + DRM_DEBUG("Count outputs is %d but no mode or fb set\n", crtc_req->count_outputs); + ret = -EINVAL; + goto out; + } + + if (crtc_req->count_outputs > 0) { + u32 out_id; + output_set = kmalloc(crtc_req->count_outputs * + sizeof(struct drm_output *), GFP_KERNEL); + if (!output_set) { + ret = -ENOMEM; + goto out; + } + + for (i = 0; i < crtc_req->count_outputs; i++) { + if (get_user(out_id, &crtc_req->set_outputs[i])) { + ret = -EFAULT; + goto out; + } + + output = idr_find(&dev->mode_config.crtc_idr, out_id); + if (!output || (out_id != output->id)) { + DRM_DEBUG("Output id %d unknown\n", out_id); + ret = -EINVAL; + goto out; + } + + output_set[i] = output; + } + } + + ret = drm_crtc_set_config(crtc, crtc_req, mode, output_set, fb); + +out: + mutex_unlock(&dev->mode_config.mutex); + return ret; +} + +/** + * drm_mode_addfb - add an FB to the graphics configuration + * @inode: inode from the ioctl + * @filp: file * from the ioctl + * @cmd: cmd from ioctl + * @arg: arg from ioctl + * + * LOCKING: + * Takes mode config lock. + * + * Add a new FB to the specified CRTC, given a user request. + * + * Called by the user via ioctl. + * + * RETURNS: + * Zero on success, errno on failure. + */ +int drm_mode_addfb(struct drm_device *dev, + void *data, struct drm_file *file_priv) +{ + struct drm_mode_fb_cmd *r = data; + struct drm_mode_config *config = &dev->mode_config; + struct drm_framebuffer *fb; + struct drm_buffer_object *bo; + struct drm_crtc *crtc; + int ret = 0; + + if ((config->min_width > r->width) || (r->width > config->max_width)) { + DRM_ERROR("mode new framebuffer width not within limits\n"); + return -EINVAL; + } + if ((config->min_height > r->height) || (r->height > config->max_height)) { + DRM_ERROR("mode new framebuffer height not within limits\n"); + return -EINVAL; + } + + mutex_lock(&dev->mode_config.mutex); + /* TODO check limits are okay */ + ret = drm_get_buffer_object(dev, &bo, r->handle); + if (ret || !bo) { + ret = -EINVAL; + goto out; + } + + /* TODO check buffer is sufficently large */ + /* TODO setup destructor callback */ + + fb = drm_framebuffer_create(dev); + if (!fb) { + ret = -EINVAL; + goto out; + } + + fb->width = r->width; + fb->height = r->height; + fb->pitch = r->pitch; + fb->bits_per_pixel = r->bpp; + fb->depth = r->depth; + fb->offset = bo->offset; + fb->bo = bo; + + r->buffer_id = fb->id; + + list_add(&fb->filp_head, &file_priv->fbs); + + /* FIXME: bind the fb to the right crtc */ + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + crtc->fb = fb; + dev->driver->fb_probe(dev, crtc); + } + +out: + mutex_unlock(&dev->mode_config.mutex); + return ret; +} + +/** + * drm_mode_rmfb - remove an FB from the configuration + * @inode: inode from the ioctl + * @filp: file * from the ioctl + * @cmd: cmd from ioctl + * @arg: arg from ioctl + * + * LOCKING: + * Takes mode config lock. + * + * Remove the FB specified by the user. + * + * Called by the user via ioctl. + * + * RETURNS: + * Zero on success, errno on failure. + */ +int drm_mode_rmfb(struct drm_device *dev, + void *data, struct drm_file *file_priv) +{ + struct drm_framebuffer *fb = 0; + uint32_t *id = data; + int ret = 0; + + fb = idr_find(&dev->mode_config.crtc_idr, *id); + /* TODO check that we realy get a framebuffer back. */ + if (!fb || (*id != fb->id)) { + DRM_ERROR("mode invalid framebuffer id\n"); + ret = -EINVAL; + goto out; + } + + /* TODO check if we own the buffer */ + /* TODO release all crtc connected to the framebuffer */ + /* bind the fb to the crtc for now */ + /* TODO unhock the destructor from the buffer object */ + + if (fb->bo->type != drm_bo_type_kernel) + drm_framebuffer_destroy(fb); + else + dev->driver->fb_remove(dev, drm_crtc_from_fb(dev, fb)); + +out: + mutex_unlock(&dev->mode_config.mutex); + return ret; +} + +/** + * drm_mode_getfb - get FB info + * @inode: inode from the ioctl + * @filp: file * from the ioctl + * @cmd: cmd from ioctl + * @arg: arg from ioctl + * + * LOCKING: + * Caller? (FIXME) + * + * Lookup the FB given its ID and return info about it. + * + * Called by the user via ioctl. + * + * RETURNS: + * Zero on success, errno on failure. + */ +int drm_mode_getfb(struct drm_device *dev, + void *data, struct drm_file *file_priv) +{ + struct drm_mode_fb_cmd *r = data; + struct drm_framebuffer *fb; + int ret = 0; + + mutex_lock(&dev->mode_config.mutex); + fb = idr_find(&dev->mode_config.crtc_idr, r->buffer_id); + if (!fb || (r->buffer_id != fb->id)) { + DRM_ERROR("invalid framebuffer id\n"); + ret = -EINVAL; + goto out; + } + + r->height = fb->height; + r->width = fb->width; + r->depth = fb->depth; + r->bpp = fb->bits_per_pixel; + r->handle = fb->bo->base.hash.key; + r->pitch = fb->pitch; + +out: + mutex_unlock(&dev->mode_config.mutex); + return ret; +} + +/** + * drm_fb_release - remove and free the FBs on this file + * @filp: file * from the ioctl + * + * LOCKING: + * Takes mode config lock. + * + * Destroy all the FBs associated with @filp. + * + * Called by the user via ioctl. + * + * RETURNS: + * Zero on success, errno on failure. + */ +void drm_fb_release(struct file *filp) +{ + struct drm_file *priv = filp->private_data; + struct drm_device *dev = priv->head->dev; + struct drm_framebuffer *fb, *tfb; + + mutex_lock(&dev->mode_config.mutex); + list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { + list_del(&fb->filp_head); + if (fb->bo->type != drm_bo_type_kernel) + drm_framebuffer_destroy(fb); + else + dev->driver->fb_remove(dev, drm_crtc_from_fb(dev, fb)); + } + mutex_unlock(&dev->mode_config.mutex); +} + +/** + * drm_fb_newmode - adds a user defined mode + * @inode: inode from the ioctl + * @filp: file * from the ioctl + * @cmd: cmd from ioctl + * @arg: arg from ioctl + * + * Adds a user specified mode to the kernel. + * + * Called by the user via ioctl. + * + * RETURNS: + * writes new mode id into arg. + * Zero on success, errno on failure. + */ +int drm_mode_addmode(struct drm_device *dev, + void *data, struct drm_file *file_priv) +{ + struct drm_mode_modeinfo *new_mode = data; + struct drm_display_mode *user_mode; + int ret = 0; + + mutex_lock(&dev->mode_config.mutex); + user_mode = drm_mode_create(dev); + if (!user_mode) { + ret = -ENOMEM; + goto out; + } + + drm_crtc_convert_umode(user_mode, new_mode); + user_mode->type |= DRM_MODE_TYPE_USERDEF; + + user_mode->output_count = 0; + + list_add(&user_mode->head, &dev->mode_config.usermode_list); + + new_mode->id = user_mode->mode_id; + +out: + mutex_unlock(&dev->mode_config.mutex); + return ret; +} + +/** + * drm_fb_rmmode - removes a user defined mode + * @inode: inode from the ioctl + * @filp: file * from the ioctl + * @cmd: cmd from ioctl + * @arg: arg from ioctl + * + * Remove the user defined mode specified by the user. + * + * Called by the user via ioctl + * + * RETURNS: + * Zero on success, errno on failure. + */ +int drm_mode_rmmode(struct drm_device *dev, + void *data, struct drm_file *file_priv) +{ + uint32_t *id = data; + struct drm_display_mode *mode, *t; + int ret = -EINVAL; + + mutex_lock(&dev->mode_config.mutex); + mode = idr_find(&dev->mode_config.crtc_idr, *id); + if (!mode || (*id != mode->mode_id)) { + ret = -EINVAL; + goto out; + } + + if (!(mode->type & DRM_MODE_TYPE_USERDEF)) { + ret = -EINVAL; + goto out; + } + + if (mode->output_count) { + ret = -EINVAL; + goto out; + } + + list_for_each_entry(t, &dev->mode_config.usermode_list, head) { + if (t == mode) { + list_del(&mode->head); + drm_mode_destroy(dev, mode); + ret = 0; + break; + } + } + +out: + mutex_unlock(&dev->mode_config.mutex); + return ret; +} + +/** + * drm_fb_attachmode - Attach a user mode to an output + * @inode: inode from the ioctl + * @filp: file * from the ioctl + * @cmd: cmd from ioctl + * @arg: arg from ioctl + * + * This attaches a user specified mode to an output. + * Called by the user via ioctl. + * + * RETURNS: + * Zero on success, errno on failure. + */ +int drm_mode_attachmode(struct drm_device *dev, + void *data, struct drm_file *file_priv) +{ + struct drm_mode_mode_cmd *mode_cmd = data; + struct drm_output *output; + struct drm_display_mode *mode; + int i, ret = 0; + + mutex_lock(&dev->mode_config.mutex); + + mode = idr_find(&dev->mode_config.crtc_idr, mode_cmd->mode_id); + if (!mode || (mode->mode_id != mode_cmd->mode_id)) { + ret = -EINVAL; + goto out; + } + + output = idr_find(&dev->mode_config.crtc_idr, mode_cmd->output_id); + if (!output || (output->id != mode_cmd->output_id)) { + ret = -EINVAL; + goto out; + } + + for (i = 0; i < DRM_OUTPUT_MAX_UMODES; i++) { + if (output->user_mode_ids[i] == 0) { + output->user_mode_ids[i] = mode->mode_id; + mode->output_count++; + break; + } + } + + if (i == DRM_OUTPUT_MAX_UMODES) + ret = -ENOSPC; + +out: + mutex_unlock(&dev->mode_config.mutex); + return ret; +} + + +/** + * drm_fb_detachmode - Detach a user specified mode from an output + * @inode: inode from the ioctl + * @filp: file * from the ioctl + * @cmd: cmd from ioctl + * @arg: arg from ioctl + * + * Called by the user via ioctl. + * + * RETURNS: + * Zero on success, errno on failure. + */ +int drm_mode_detachmode(struct drm_device *dev, + void *data, struct drm_file *file_priv) +{ + struct drm_mode_mode_cmd *mode_cmd = data; + struct drm_output *output; + struct drm_display_mode *mode; + int i, found = 0, ret = 0; + + mutex_lock(&dev->mode_config.mutex); + + mode = idr_find(&dev->mode_config.crtc_idr, mode_cmd->mode_id); + if (!mode || (mode->mode_id != mode_cmd->mode_id)) { + ret = -EINVAL; + goto out; + } + + output = idr_find(&dev->mode_config.crtc_idr, mode_cmd->output_id); + if (!output || (output->id != mode_cmd->output_id)) { + ret = -EINVAL; + goto out; + } + + + for (i = 0; i < DRM_OUTPUT_MAX_UMODES; i++) { + if (output->user_mode_ids[i] == mode->mode_id) { + output->user_mode_ids[i] = 0; + mode->output_count--; + found = 1; + } + } + + if (!found) + ret = -EINVAL; + +out: + mutex_unlock(&dev->mode_config.mutex); + return ret; +} diff --git a/linux-core/drm_crtc.h b/linux-core/drm_crtc.h new file mode 100644 index 00000000..d97cd196 --- /dev/null +++ b/linux-core/drm_crtc.h @@ -0,0 +1,556 @@ +/* + * Copyright © 2006 Keith Packard + * Copyright © 2007 Intel Corporation + * Jesse Barnes <jesse.barnes@intel.com> + */ +#ifndef __DRM_CRTC_H__ +#define __DRM_CRTC_H__ + +#include <linux/i2c.h> +#include <linux/spinlock.h> +#include <linux/types.h> +#include <linux/idr.h> + +#include <linux/fb.h> + +struct drm_device; + +/* + * Note on terminology: here, for brevity and convenience, we refer to output + * control chips as 'CRTCs'. They can control any type of output, VGA, LVDS, + * DVI, etc. And 'screen' refers to the whole of the visible display, which + * may span multiple monitors (and therefore multiple CRTC and output + * structures). + */ + +enum drm_mode_status { + MODE_OK = 0, /* Mode OK */ + MODE_HSYNC, /* hsync out of range */ + MODE_VSYNC, /* vsync out of range */ + MODE_H_ILLEGAL, /* mode has illegal horizontal timings */ + MODE_V_ILLEGAL, /* mode has illegal horizontal timings */ + MODE_BAD_WIDTH, /* requires an unsupported linepitch */ + MODE_NOMODE, /* no mode with a maching name */ + MODE_NO_INTERLACE, /* interlaced mode not supported */ + MODE_NO_DBLESCAN, /* doublescan mode not supported */ + MODE_NO_VSCAN, /* multiscan mode not supported */ + MODE_MEM, /* insufficient video memory */ + MODE_VIRTUAL_X, /* mode width too large for specified virtual size */ + MODE_VIRTUAL_Y, /* mode height too large for specified virtual size */ + MODE_MEM_VIRT, /* insufficient video memory given virtual size */ + MODE_NOCLOCK, /* no fixed clock available */ + MODE_CLOCK_HIGH, /* clock required is too high */ + MODE_CLOCK_LOW, /* clock required is too low */ + MODE_CLOCK_RANGE, /* clock/mode isn't in a ClockRange */ + MODE_BAD_HVALUE, /* horizontal timing was out of range */ + MODE_BAD_VVALUE, /* vertical timing was out of range */ + MODE_BAD_VSCAN, /* VScan value out of range */ + MODE_HSYNC_NARROW, /* horizontal sync too narrow */ + MODE_HSYNC_WIDE, /* horizontal sync too wide */ + MODE_HBLANK_NARROW, /* horizontal blanking too narrow */ + MODE_HBLANK_WIDE, /* horizontal blanking too wide */ + MODE_VSYNC_NARROW, /* vertical sync too narrow */ + MODE_VSYNC_WIDE, /* vertical sync too wide */ + MODE_VBLANK_NARROW, /* vertical blanking too narrow */ + MODE_VBLANK_WIDE, /* vertical blanking too wide */ + MODE_PANEL, /* exceeds panel dimensions */ + MODE_INTERLACE_WIDTH, /* width too large for interlaced mode */ + MODE_ONE_WIDTH, /* only one width is supported */ + MODE_ONE_HEIGHT, /* only one height is supported */ + MODE_ONE_SIZE, /* only one resolution is supported */ + MODE_NO_REDUCED, /* monitor doesn't accept reduced blanking */ + MODE_UNVERIFIED = -3, /* mode needs to reverified */ + MODE_BAD = -2, /* unspecified reason */ + MODE_ERROR = -1 /* error condition */ +}; + +#define DRM_MODE_TYPE_BUILTIN (1<<0) +#define DRM_MODE_TYPE_CLOCK_C ((1<<1) | DRM_MODE_TYPE_BUILTIN) +#define DRM_MODE_TYPE_CRTC_C ((1<<2) | DRM_MODE_TYPE_BUILTIN) +#define DRM_MODE_TYPE_PREFERRED (1<<3) +#define DRM_MODE_TYPE_DEFAULT (1<<4) +#define DRM_MODE_TYPE_USERDEF (1<<5) +#define DRM_MODE_TYPE_DRIVER (1<<6) + +#define DRM_MODE_TYPE_CLOCK_CRTC_C (DRM_MODE_TYPE_CLOCK_C | \ + DRM_MODE_TYPE_CRTC_C) + +#define DRM_MODE(nm, t, c, hd, hss, hse, ht, hsk, vd, vss, vse, vt, vs, f) \ + .name = nm, .status = 0, .type = (t), .clock = (c), \ + .hdisplay = (hd), .hsync_start = (hss), .hsync_end = (hse), \ + .htotal = (ht), .hskew = (hsk), .vdisplay = (vd), \ + .vsync_start = (vss), .vsync_end = (vse), .vtotal = (vt), \ + .vscan = (vs), .flags = (f), .vrefresh = 0 + +struct drm_display_mode { + /* Header */ + struct list_head head; + char name[DRM_DISPLAY_MODE_LEN]; + int mode_id; + int output_count; + enum drm_mode_status status; + int type; + + /* Proposed mode values */ + int clock; + int hdisplay; + int hsync_start; + int hsync_end; + int htotal; + int hskew; + int vdisplay; + int vsync_start; + int vsync_end; + int vtotal; + int vscan; + unsigned int flags; + + /* Actual mode we give to hw */ + int clock_index; + int synth_clock; + int crtc_hdisplay; + int crtc_hblank_start; + int crtc_hblank_end; + int crtc_hsync_start; + int crtc_hsync_end; + int crtc_htotal; + int crtc_hskew; + int crtc_vdisplay; + int crtc_vblank_start; + int crtc_vblank_end; + int crtc_vsync_start; + int crtc_vsync_end; + int crtc_vtotal; + int crtc_hadjusted; + int crtc_vadjusted; + + /* Driver private mode info */ + int private_size; + int *private; + int private_flags; + + int vrefresh; + float hsync; +}; + +/* Video mode flags */ +#define V_PHSYNC (1<<0) +#define V_NHSYNC (1<<1) +#define V_PVSYNC (1<<2) +#define V_NVSYNC (1<<3) +#define V_INTERLACE (1<<4) +#define V_DBLSCAN (1<<5) +#define V_CSYNC (1<<6) +#define V_PCSYNC (1<<7) +#define V_NCSYNC (1<<8) +#define V_HSKEW (1<<9) /* hskew provided */ +#define V_BCAST (1<<10) +#define V_PIXMUX (1<<11) +#define V_DBLCLK (1<<12) +#define V_CLKDIV2 (1<<13) + +#define CRTC_INTERLACE_HALVE_V 0x1 /* halve V values for interlacing */ +#define DPMSModeOn 0 +#define DPMSModeStandby 1 +#define DPMSModeSuspend 2 +#define DPMSModeOff 3 + +enum drm_output_status { + output_status_connected, + output_status_disconnected, + output_status_unknown, +}; + +enum subpixel_order { + SubPixelUnknown = 0, + SubPixelHorizontalRGB, + SubPixelHorizontalBGR, + SubPixelVerticalRGB, + SubPixelVerticalBGR, + SubPixelNone, +}; + +/* + * Describes a given display (e.g. CRT or flat panel) and its limitations. + */ +struct drm_display_info { + char name[DRM_DISPLAY_INFO_LEN]; + /* Input info */ + bool serration_vsync; + bool sync_on_green; + bool composite_sync; + bool separate_syncs; + bool blank_to_black; + unsigned char video_level; + bool digital; + /* Physical size */ + unsigned int width_mm; + unsigned int height_mm; + + /* Display parameters */ + unsigned char gamma; /* FIXME: storage format */ + bool gtf_supported; + bool standard_color; + enum { + monochrome, + rgb, + other, + unknown, + } display_type; + bool active_off_supported; + bool suspend_supported; + bool standby_supported; + + /* Color info FIXME: storage format */ + unsigned short redx, redy; + unsigned short greenx, greeny; + unsigned short bluex, bluey; + unsigned short whitex, whitey; + + /* Clock limits FIXME: storage format */ + unsigned int min_vfreq, max_vfreq; + unsigned int min_hfreq, max_hfreq; + unsigned int pixel_clock; + + /* White point indices FIXME: storage format */ + unsigned int wpx1, wpy1; + unsigned int wpgamma1; + unsigned int wpx2, wpy2; + unsigned int wpgamma2; + + /* Preferred mode (if any) */ + struct drm_display_mode *preferred_mode; + char *raw_edid; /* if any */ +}; + +struct drm_framebuffer { + struct drm_device *dev; + struct list_head head; + int id; /* idr assigned */ + unsigned int pitch; + unsigned long offset; + unsigned int width; + unsigned int height; + /* depth can be 15 or 16 */ + unsigned int depth; + int bits_per_pixel; + int flags; + struct drm_buffer_object *bo; + void *fbdev; + u32 pseudo_palette[17]; + void *virtual_base; + struct list_head filp_head; +}; +struct drm_crtc; +struct drm_output; + +/** + * drm_crtc_funcs - control CRTCs for a given device + * @dpms: control display power levels + * @save: save CRTC state + * @resore: restore CRTC state + * @lock: lock the CRTC + * @unlock: unlock the CRTC + * @shadow_allocate: allocate shadow pixmap + * @shadow_create: create shadow pixmap for rotation support + * @shadow_destroy: free shadow pixmap + * @mode_fixup: fixup proposed mode + * @mode_set: set the desired mode on the CRTC + * @gamma_set: specify color ramp for CRTC + * @cleanup: cleanup driver private state prior to close + * + * The drm_crtc_funcs structure is the central CRTC management structure + * in the DRM. Each CRTC controls one or more outputs (note that the name + * CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc. + * outputs, not just CRTs). + * + * Each driver is responsible for filling out this structure at startup time, + * in addition to providing other modesetting features, like i2c and DDC + * bus accessors. + */ +struct drm_crtc_funcs { + /* + * Control power levels on the CRTC. If the mode passed in is + * unsupported, the provider must use the next lowest power level. + */ + void (*dpms)(struct drm_crtc *crtc, int mode); + + /* JJJ: Are these needed? */ + /* Save CRTC state */ + void (*save)(struct drm_crtc *crtc); /* suspend? */ + /* Restore CRTC state */ + void (*restore)(struct drm_crtc *crtc); /* resume? */ + bool (*lock)(struct drm_crtc *crtc); + void (*unlock)(struct drm_crtc *crtc); + + void (*prepare)(struct drm_crtc *crtc); + void (*commit)(struct drm_crtc *crtc); + + /* Provider can fixup or change mode timings before modeset occurs */ + bool (*mode_fixup)(struct drm_crtc *crtc, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode); + /* Actually set the mode */ + void (*mode_set)(struct drm_crtc *crtc, struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode, int x, int y); + /* Set gamma on the CRTC */ + void (*gamma_set)(struct drm_crtc *crtc, u16 r, u16 g, u16 b, + int regno); + /* Driver cleanup routine */ + void (*cleanup)(struct drm_crtc *crtc); +}; + +/** + * drm_crtc - central CRTC control structure + * @enabled: is this CRTC enabled? + * @x: x position on screen + * @y: y position on screen + * @desired_mode: new desired mode + * @desired_x: desired x for desired_mode + * @desired_y: desired y for desired_mode + * @funcs: CRTC control functions + * @driver_private: arbitrary driver data + * + * Each CRTC may have one or more outputs associated with it. This structure + * allows the CRTC to be controlled. + */ +struct drm_crtc { + struct drm_device *dev; + struct list_head head; + + int id; /* idr assigned */ + + /* framebuffer the output is currently bound to */ + struct drm_framebuffer *fb; + + bool enabled; + + /* JJJ: are these needed? */ + bool cursor_in_range; + bool cursor_shown; + + struct drm_display_mode mode; + + int x, y; + struct drm_display_mode *desired_mode; + int desired_x, desired_y; + const struct drm_crtc_funcs *funcs; + void *driver_private; + + /* RRCrtcPtr randr_crtc? */ +}; + +extern struct drm_crtc *drm_crtc_create(struct drm_device *dev, + const struct drm_crtc_funcs *funcs); + +/** + * drm_output_funcs - control outputs on a given device + * @init: setup this output + * @dpms: set power state (see drm_crtc_funcs above) + * @save: save output state + * @restore: restore output state + * @mode_valid: is this mode valid on the given output? + * @mode_fixup: try to fixup proposed mode for this output + * @mode_set: set this mode + * @detect: is this output active? + * @get_modes: get mode list for this output + * @set_property: property for this output may need update + * @cleanup: output is going away, cleanup + * + * Each CRTC may have one or more outputs attached to it. The functions + * below allow the core DRM code to control outputs, enumerate available modes, + * etc. + */ +struct drm_output_funcs { + void (*init)(struct drm_output *output); + void (*dpms)(struct drm_output *output, int mode); + void (*save)(struct drm_output *output); + void (*restore)(struct drm_output *output); + int (*mode_valid)(struct drm_output *output, + struct drm_display_mode *mode); + bool (*mode_fixup)(struct drm_output *output, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode); + void (*prepare)(struct drm_output *output); + void (*commit)(struct drm_output *output); + void (*mode_set)(struct drm_output *output, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode); + enum drm_output_status (*detect)(struct drm_output *output); + int (*get_modes)(struct drm_output *output); + /* JJJ: type checking for properties via property value type */ + bool (*set_property)(struct drm_output *output, int prop, void *val); + void (*cleanup)(struct drm_output *output); +}; + +#define DRM_OUTPUT_MAX_UMODES 16 +#define DRM_OUTPUT_LEN 32 +/** + * drm_output - central DRM output control structure + * @crtc: CRTC this output is currently connected to, NULL if none + * @possible_crtcs: bitmap of CRTCS this output could be attached to + * @possible_clones: bitmap of possible outputs this output could clone + * @interlace_allowed: can this output handle interlaced modes? + * @doublescan_allowed: can this output handle doublescan? + * @available_modes: modes available on this output (from get_modes() + user) + * @initial_x: initial x position for this output + * @initial_y: initial y position for this output + * @status: output connected? + * @subpixel_order: for this output + * @mm_width: displayable width of output in mm + * @mm_height: displayable height of output in mm + * @name: name of output (should be one of a few standard names) + * @funcs: output control functions + * @driver_private: private driver data + * + * Each output may be connected to one or more CRTCs, or may be clonable by + * another output if they can share a CRTC. Each output also has a specific + * position in the broader display (referred to as a 'screen' though it could + * span multiple monitors). + */ +struct drm_output { + struct drm_device *dev; + struct list_head head; + struct drm_crtc *crtc; + int id; /* idr assigned */ + unsigned long possible_crtcs; + unsigned long possible_clones; + bool interlace_allowed; + bool doublescan_allowed; + struct list_head modes; /* list of modes on this output */ + + /* + OptionInfoPtr options; + XF86ConfMonitorPtr conf_monitor; + */ + int initial_x, initial_y; + enum drm_output_status status; + + /* these are modes added by probing with DDC or the BIOS */ + struct list_head probed_modes; + + /* xf86MonPtr MonInfo; */ + enum subpixel_order subpixel_order; + int mm_width, mm_height; + struct drm_display_info *monitor_info; /* if any */ + char name[DRM_OUTPUT_LEN]; + const struct drm_output_funcs *funcs; + void *driver_private; + + u32 user_mode_ids[DRM_OUTPUT_MAX_UMODES]; + +}; + +/** + * struct drm_mode_config_funcs - configure CRTCs for a given screen layout + * @resize: adjust CRTCs as necessary for the proposed layout + * + * Currently only a resize hook is available. DRM will call back into the + * driver with a new screen width and height. If the driver can't support + * the proposed size, it can return false. Otherwise it should adjust + * the CRTC<->output mappings as needed and update its view of the screen. + */ +struct drm_mode_config_funcs { + bool (*resize)(struct drm_device *dev, int width, int height); +}; + +/** + * drm_mode_config - Mode configuration control structure + * + */ +struct drm_mode_config { + struct mutex mutex; /* protects configuration and IDR */ + struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, output, modes - just makes life easier */ + /* this is limited to one for now */ + int num_fb; + struct list_head fb_list; + int num_output; + struct list_head output_list; + + /* int compat_output? */ + int num_crtc; + struct list_head crtc_list; + + struct list_head usermode_list; + int min_width, min_height; + int max_width, max_height; + /* DamagePtr rotationDamage? */ + /* DGA stuff? */ + struct drm_mode_config_funcs *funcs; + unsigned long fb_base; +}; + +struct drm_output *drm_output_create(struct drm_device *dev, + const struct drm_output_funcs *funcs, + const char *name); +extern void drm_output_destroy(struct drm_output *output); +extern bool drm_output_rename(struct drm_output *output, const char *name); +extern void drm_fb_release(struct file *filp); + +extern int drm_add_edid_modes(struct drm_output *output, + struct i2c_adapter *adapter); +extern void drm_mode_probed_add(struct drm_output *output, struct drm_display_mode *mode); +extern void drm_mode_remove(struct drm_output *output, struct drm_display_mode *mode); +extern struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev, + struct drm_display_mode *mode); +extern void drm_mode_debug_printmodeline(struct drm_device *dev, + struct drm_display_mode *mode); +extern void drm_mode_config_init(struct drm_device *dev); +extern void drm_mode_config_cleanup(struct drm_device *dev); +extern void drm_mode_set_name(struct drm_display_mode *mode); +extern bool drm_mode_equal(struct drm_display_mode *mode1, struct drm_display_mode *mode2); +extern void drm_disable_unused_functions(struct drm_device *dev); + +extern struct drm_display_mode *drm_mode_create(struct drm_device *dev); +extern void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode); +extern void drm_mode_list_concat(struct list_head *head, + struct list_head *new); +extern void drm_mode_validate_size(struct drm_device *dev, + struct list_head *mode_list, + int maxX, int maxY, int maxPitch); +extern void drm_mode_prune_invalid(struct drm_device *dev, + struct list_head *mode_list, bool verbose); +extern void drm_mode_sort(struct list_head *mode_list); +extern int drm_mode_vrefresh(struct drm_display_mode *mode); +extern void drm_mode_set_crtcinfo(struct drm_display_mode *p, + int adjust_flags); +extern void drm_mode_output_list_update(struct drm_output *output); + +extern struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev); +extern bool drm_initial_config(struct drm_device *dev, bool cangrow); +extern void drm_framebuffer_set_object(struct drm_device *dev, + unsigned long handle); +extern struct drm_framebuffer *drm_framebuffer_create(struct drm_device *dev); +extern void drm_framebuffer_destroy(struct drm_framebuffer *fb); +extern int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc); +extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb); +extern bool drm_crtc_set_mode(struct drm_crtc *crtc, struct drm_display_mode *mode, + int x, int y); + +/* IOCTLs */ +extern int drm_mode_getresources(struct drm_device *dev, + void *data, struct drm_file *file_priv); + +extern int drm_mode_getcrtc(struct drm_device *dev, + void *data, struct drm_file *file_priv); +extern int drm_mode_getoutput(struct drm_device *dev, + void *data, struct drm_file *file_priv); +extern int drm_mode_setcrtc(struct drm_device *dev, + void *data, struct drm_file *file_priv); +extern int drm_mode_addfb(struct drm_device *dev, + void *data, struct drm_file *file_priv); +extern int drm_mode_rmfb(struct drm_device *dev, + void *data, struct drm_file *file_priv); +extern int drm_mode_getfb(struct drm_device *dev, + void *data, struct drm_file *file_priv); +extern int drm_mode_addmode(struct drm_device *dev, + void *data, struct drm_file *file_priv); +extern int drm_mode_rmmode(struct drm_device *dev, + void *data, struct drm_file *file_priv); +extern int drm_mode_attachmode(struct drm_device *dev, + void *data, struct drm_file *file_priv); +extern int drm_mode_detachmode(struct drm_device *dev, + void *data, struct drm_file *file_priv); + +#endif /* __DRM_CRTC_H__ */ + diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c index fe2b1200..4a871d63 100644 --- a/linux-core/drm_drv.c +++ b/linux-core/drm_drv.c @@ -115,9 +115,22 @@ static struct drm_ioctl_desc drm_ioctls[] = { DRM_IOCTL_DEF(DRM_IOCTL_SG_ALLOC, drm_sg_alloc_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), DRM_IOCTL_DEF(DRM_IOCTL_SG_FREE, drm_sg_free, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), - DRM_IOCTL_DEF(DRM_IOCTL_WAIT_VBLANK, drm_wait_vblank, 0), - + // DRM_IOCTL_DEF(DRM_IOCTL_BUFOBJ, drm_bo_ioctl, DRM_AUTH), + DRM_IOCTL_DEF(DRM_IOCTL_MM_INIT, drm_mm_init_ioctl, + DRM_AUTH ), + DRM_IOCTL_DEF(DRM_IOCTL_UPDATE_DRAW, drm_update_drawable_info, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETRESOURCES, drm_mode_getresources, DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETCRTC, drm_mode_getcrtc, DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETOUTPUT, drm_mode_getoutput, DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETCRTC, drm_mode_setcrtc, DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_ADDFB, drm_mode_addfb, DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_RMFB, drm_mode_rmfb, DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETFB, drm_mode_getfb, DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_ADDMODE, drm_mode_addmode, DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_RMMODE, drm_mode_rmmode, DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_ATTACHMODE, drm_mode_attachmode, DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_DETACHMODE, drm_mode_detachmode, DRM_MASTER|DRM_ROOT_ONLY), // DRM_IOCTL_DEF(DRM_IOCTL_BUFOBJ, drm_bo_ioctl, DRM_AUTH), DRM_IOCTL_DEF(DRM_IOCTL_UPDATE_DRAW, drm_update_drawable_info, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), @@ -177,8 +190,6 @@ int drm_lastclose(struct drm_device * dev) * We can't do much about this function failing. */ - drm_bo_driver_finish(dev); - if (dev->driver->lastclose) dev->driver->lastclose(dev); DRM_DEBUG("driver lastclose completed\n"); @@ -392,7 +403,6 @@ static void drm_cleanup(struct drm_device * dev) drm_lastclose(dev); drm_fence_manager_takedown(dev); - drm_ht_remove(&dev->map_hash); drm_mm_takedown(&dev->offset_manager); drm_ht_remove(&dev->object_hash); @@ -410,12 +420,17 @@ static void drm_cleanup(struct drm_device * dev) DRM_DEBUG("mtrr_del=%d\n", retval); } + if (dev->driver->unload) + dev->driver->unload(dev); + + drm_ht_remove(&dev->map_hash); if (drm_core_has_AGP(dev) && dev->agp) { drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); dev->agp = NULL; } - if (dev->driver->unload) - dev->driver->unload(dev); + + if (!drm_fb_loaded) + pci_disable_device(dev->pdev); drm_put_head(&dev->primary); if (drm_put_dev(dev)) diff --git a/linux-core/drm_edid.c b/linux-core/drm_edid.c new file mode 100644 index 00000000..d7d3939a --- /dev/null +++ b/linux-core/drm_edid.c @@ -0,0 +1,467 @@ +/* + * Copyright (c) 2007 Intel Corporation + * Jesse Barnes <jesse.barnes@intel.com> + * + * DDC probing routines (drm_ddc_read & drm_do_probe_ddc_edid) originally from + * FB layer. + * Copyright (C) 2006 Dennis Munsie <dmunsie@cecropia.com> + */ +#include <linux/i2c.h> +#include <linux/i2c-algo-bit.h> +#include "drmP.h" +#include "drm_edid.h" + +/* Valid EDID header has these bytes */ +static u8 edid_header[] = { 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00 }; + +/** + * edid_valid - sanity check EDID data + * @edid: EDID data + * + * Sanity check the EDID block by looking at the header, the version number + * and the checksum. Return 0 if the EDID doesn't check out, or 1 if it's + * valid. + */ +static bool edid_valid(struct edid *edid) +{ + int i; + u8 csum = 0; + u8 *raw_edid = (u8 *)edid; + + if (memcmp(edid->header, edid_header, sizeof(edid_header))) + goto bad; + if (edid->version != 1) + goto bad; + if (edid->revision <= 0 || edid->revision > 3) + goto bad; + + for (i = 0; i < EDID_LENGTH; i++) + csum += raw_edid[i]; + if (csum) + goto bad; + + return 1; + +bad: + return 0; +} + +/** + * drm_mode_std - convert standard mode info (width, height, refresh) into mode + * @t: standard timing params + * + * Take the standard timing params (in this case width, aspect, and refresh) + * and convert them into a real mode using CVT. + * + * Punts for now, but should eventually use the FB layer's CVT based mode + * generation code. + */ +struct drm_display_mode *drm_mode_std(struct drm_device *dev, + struct std_timing *t) +{ +// struct fb_videomode mode; + +// fb_find_mode_cvt(&mode, 0, 0); + /* JJJ: convert to drm_display_mode */ + struct drm_display_mode *mode; + int hsize = t->hsize * 8 + 248, vsize; + + mode = drm_mode_create(dev); + if (!mode) + return NULL; + + if (t->aspect_ratio == 0) + vsize = (hsize * 10) / 16; + else if (t->aspect_ratio == 1) + vsize = (hsize * 3) / 4; + else if (t->aspect_ratio == 2) + vsize = (hsize * 4) / 5; + else + vsize = (hsize * 9) / 16; + + drm_mode_set_name(mode); + + return mode; +} + +/** + * drm_mode_detailed - create a new mode from an EDID detailed timing section + * @timing: EDID detailed timing info + * @preferred: is this a preferred mode? + * + * An EDID detailed timing block contains enough info for us to create and + * return a new struct drm_display_mode. The @preferred flag will be set + * if this is the display's preferred timing, and we'll use it to indicate + * to the other layers that this mode is desired. + */ +struct drm_display_mode *drm_mode_detailed(struct drm_device *dev, + struct detailed_timing *timing) +{ + struct drm_display_mode *mode; + struct detailed_pixel_timing *pt = &timing->data.pixel_data; + + if (pt->stereo) { + printk(KERN_WARNING "stereo mode not supported\n"); + return NULL; + } + if (!pt->separate_sync) { + printk(KERN_WARNING "integrated sync not supported\n"); + return NULL; + } + + mode = drm_mode_create(dev); + if (!mode) + return NULL; + + mode->type = DRM_MODE_TYPE_DRIVER; + mode->clock = timing->pixel_clock * 10; + + mode->hdisplay = (pt->hactive_hi << 8) | pt->hactive_lo; + mode->hsync_start = mode->hdisplay + ((pt->hsync_offset_hi << 8) | + pt->hsync_offset_lo); + mode->hsync_end = mode->hsync_start + + ((pt->hsync_pulse_width_hi << 8) | + pt->hsync_pulse_width_lo); + mode->htotal = mode->hdisplay + ((pt->hblank_hi << 8) | pt->hblank_lo); + + mode->vdisplay = (pt->vactive_hi << 8) | pt->vactive_lo; + mode->vsync_start = mode->vdisplay + ((pt->vsync_offset_hi << 8) | + pt->vsync_offset_lo); + mode->vsync_end = mode->vsync_start + + ((pt->vsync_pulse_width_hi << 8) | + pt->vsync_pulse_width_lo); + mode->vtotal = mode->vdisplay + ((pt->vblank_hi << 8) | pt->vblank_lo); + + drm_mode_set_name(mode); + + if (pt->interlaced) + mode->flags |= V_INTERLACE; + + mode->flags |= pt->hsync_positive ? V_PHSYNC : V_NHSYNC; + mode->flags |= pt->vsync_positive ? V_PVSYNC : V_NVSYNC; + + return mode; +} + +/* + * Detailed mode info for the EDID "established modes" data to use. + */ +static struct drm_display_mode edid_est_modes[] = { + { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840, + 968, 1056, 0, 600, 601, 605, 628, 0, + V_PHSYNC | V_PVSYNC) }, /* 800x600@60Hz */ + { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824, + 896, 1024, 0, 600, 601, 603, 625, 0, + V_PHSYNC | V_PVSYNC) }, /* 800x600@56Hz */ + { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656, + 720, 840, 0, 480, 481, 484, 500, 0, + V_NHSYNC | V_NVSYNC) }, /* 640x480@75Hz */ + { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664, + 704, 832, 0, 480, 489, 491, 520, 0, + V_NHSYNC | V_NVSYNC) }, /* 640x480@72Hz */ + { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704, + 768, 864, 0, 480, 483, 486, 525, 0, + V_NHSYNC | V_NVSYNC) }, /* 640x480@67Hz */ + { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25200, 640, 656, + 752, 800, 0, 480, 490, 492, 525, 0, + V_NHSYNC | V_NVSYNC) }, /* 640x480@60Hz */ + { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738, + 846, 900, 0, 400, 421, 423, 449, 0, + V_NHSYNC | V_NVSYNC) }, /* 720x400@88Hz */ + { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 28320, 720, 738, + 846, 900, 0, 400, 412, 414, 449, 0, + V_NHSYNC | V_PVSYNC) }, /* 720x400@70Hz */ + { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296, + 1440, 1688, 0, 1024, 1025, 1028, 1066, 0, + V_PHSYNC | V_PVSYNC) }, /* 1280x1024@75Hz */ + { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78800, 1024, 1040, + 1136, 1312, 0, 768, 769, 772, 800, 0, + V_PHSYNC | V_PVSYNC) }, /* 1024x768@75Hz */ + { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048, + 1184, 1328, 0, 768, 771, 777, 806, 0, + V_NHSYNC | V_NVSYNC) }, /* 1024x768@70Hz */ + { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048, + 1184, 1344, 0, 768, 771, 777, 806, 0, + V_NHSYNC | V_NVSYNC) }, /* 1024x768@60Hz */ + { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER,44900, 1024, 1032, + 1208, 1264, 0, 768, 768, 776, 817, 0, + V_PHSYNC | V_PVSYNC | V_INTERLACE) }, /* 1024x768@43Hz */ + { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 57284, 832, 864, + 928, 1152, 0, 624, 625, 628, 667, 0, + V_NHSYNC | V_NVSYNC) }, /* 832x624@75Hz */ + { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816, + 896, 1056, 0, 600, 601, 604, 625, 0, + V_PHSYNC | V_PVSYNC) }, /* 800x600@75Hz */ + { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856, + 976, 1040, 0, 600, 637, 643, 666, 0, + V_PHSYNC | V_PVSYNC) }, /* 800x600@72Hz */ + { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216, + 1344, 1600, 0, 864, 865, 868, 900, 0, + V_PHSYNC | V_PVSYNC) }, /* 1152x864@75Hz */ +}; + +#define EDID_EST_TIMINGS 16 +#define EDID_STD_TIMINGS 8 +#define EDID_DETAILED_TIMINGS 4 + +/** + * add_established_modes - get est. modes from EDID and add them + * @edid: EDID block to scan + * + * Each EDID block contains a bitmap of the supported "established modes" list + * (defined above). Tease them out and add them to the global modes list. + */ +static int add_established_modes(struct drm_output *output, struct edid *edid) +{ + struct drm_device *dev = output->dev; + unsigned long est_bits = edid->established_timings.t1 | + (edid->established_timings.t2 << 8) | + ((edid->established_timings.mfg_rsvd & 0x80) << 9); + int i, modes = 0; + + for (i = 0; i <= EDID_EST_TIMINGS; i++) + if (est_bits & (1<<i)) { + struct drm_display_mode *newmode; + newmode = drm_mode_duplicate(dev, &edid_est_modes[i]); + drm_mode_probed_add(output, newmode); + modes++; + } + + return modes; +} + +/** + * add_standard_modes - get std. modes from EDID and add them + * @edid: EDID block to scan + * + * Standard modes can be calculated using the CVT standard. Grab them from + * @edid, calculate them, and add them to the list. + */ +static int add_standard_modes(struct drm_output *output, struct edid *edid) +{ + struct drm_device *dev = output->dev; + int i, modes = 0; + + for (i = 0; i < EDID_STD_TIMINGS; i++) { + struct std_timing *t = &edid->standard_timings[i]; + struct drm_display_mode *newmode; + + /* If std timings bytes are 1, 1 it's empty */ + if (t->hsize == 1 && (t->aspect_ratio | t->vfreq) == 1) + continue; + + newmode = drm_mode_std(dev, &edid->standard_timings[i]); + drm_mode_probed_add(output, newmode); + modes++; + } + + return modes; +} + +/** + * add_detailed_modes - get detailed mode info from EDID data + * @edid: EDID block to scan + * + * Some of the detailed timing sections may contain mode information. Grab + * it and add it to the list. + */ +static int add_detailed_info(struct drm_output *output, struct edid *edid) +{ + struct drm_device *dev = output->dev; + int i, j, modes = 0; + + for (i = 0; i < EDID_DETAILED_TIMINGS; i++) { + struct detailed_timing *timing = &edid->detailed_timings[i]; + struct detailed_non_pixel *data = &timing->data.other_data; + struct drm_display_mode *newmode; + + /* EDID up to and including 1.2 may put monitor info here */ + if (edid->version == 1 && edid->revision < 3) + continue; + + /* Detailed mode timing */ + if (timing->pixel_clock) { + newmode = drm_mode_detailed(dev, timing); + /* First detailed mode is preferred */ + if (i == 0 && edid->preferred_timing) + newmode->type |= DRM_MODE_TYPE_PREFERRED; + drm_mode_probed_add(output, newmode); + + modes++; + continue; + } + + /* Other timing or info */ + switch (data->type) { + case EDID_DETAIL_MONITOR_SERIAL: + break; + case EDID_DETAIL_MONITOR_STRING: + break; + case EDID_DETAIL_MONITOR_RANGE: + /* Get monitor range data */ + break; + case EDID_DETAIL_MONITOR_NAME: + break; + case EDID_DETAIL_MONITOR_CPDATA: + break; + case EDID_DETAIL_STD_MODES: + /* Five modes per detailed section */ + for (j = 0; j < 5; i++) { + struct std_timing *std; + struct drm_display_mode *newmode; + + std = &data->data.timings[j]; + newmode = drm_mode_std(dev, std); + drm_mode_probed_add(output, newmode); + modes++; + } + break; + default: + break; + } + } + + return modes; +} + +#define DDC_ADDR 0x50 + +static unsigned char *drm_do_probe_ddc_edid(struct i2c_adapter *adapter) +{ + unsigned char start = 0x0; + unsigned char *buf = kmalloc(EDID_LENGTH, GFP_KERNEL); + struct i2c_msg msgs[] = { + { + .addr = DDC_ADDR, + .flags = 0, + .len = 1, + .buf = &start, + }, { + .addr = DDC_ADDR, + .flags = I2C_M_RD, + .len = EDID_LENGTH, + .buf = buf, + } + }; + + if (!buf) { + dev_warn(&adapter->dev, "unable to allocate memory for EDID " + "block.\n"); + return NULL; + } + + if (i2c_transfer(adapter, msgs, 2) == 2) + return buf; + + dev_info(&adapter->dev, "unable to read EDID block.\n"); + kfree(buf); + return NULL; +} + +static unsigned char *drm_ddc_read(struct i2c_adapter *adapter) +{ + struct i2c_algo_bit_data *algo_data = adapter->algo_data; + unsigned char *edid = NULL; + int i, j; + + /* + * Startup the bus: + * Set clock line high (but give it time to come up) + * Then set clock & data low + */ + algo_data->setscl(algo_data->data, 1); + udelay(550); /* startup delay */ + algo_data->setscl(algo_data->data, 0); + algo_data->setsda(algo_data->data, 0); + + for (i = 0; i < 3; i++) { + /* For some old monitors we need the + * following process to initialize/stop DDC + */ + algo_data->setsda(algo_data->data, 0); + msleep(13); + + algo_data->setscl(algo_data->data, 1); + for (j = 0; j < 5; j++) { + msleep(10); + if (algo_data->getscl(algo_data->data)) + break; + } + if (j == 5) + continue; + + algo_data->setsda(algo_data->data, 0); + msleep(15); + algo_data->setscl(algo_data->data, 0); + msleep(15); + algo_data->setsda(algo_data->data, 1); + msleep(15); + + /* Do the real work */ + edid = drm_do_probe_ddc_edid(adapter); + algo_data->setsda(algo_data->data, 0); + algo_data->setscl(algo_data->data, 0); + msleep(15); + + algo_data->setscl(algo_data->data, 1); + for (j = 0; j < 10; j++) { + msleep(10); + if (algo_data->getscl(algo_data->data)) + break; + } + + algo_data->setsda(algo_data->data, 1); + msleep(15); + algo_data->setscl(algo_data->data, 0); + if (edid) + break; + } + /* Release the DDC lines when done or the Apple Cinema HD display + * will switch off + */ + algo_data->setsda(algo_data->data, 0); + algo_data->setscl(algo_data->data, 0); + algo_data->setscl(algo_data->data, 1); + + return edid; +} + +/** + * drm_add_edid_modes - add modes from EDID data, if available + * @output: output we're probing + * @adapter: i2c adapter to use for DDC + * + * Poke the given output's i2c channel to grab EDID data if possible. If we + * get any, add the specified modes to the output's mode list. + * + * Return number of modes added or 0 if we couldn't find any. + */ +int drm_add_edid_modes(struct drm_output *output, struct i2c_adapter *adapter) +{ + struct edid *edid; + int num_modes = 0; + + edid = (struct edid *)drm_ddc_read(adapter); + if (!edid) { + dev_warn(&output->dev->pdev->dev, "%s: no EDID data\n", + output->name); + goto out_err; + } + + if (!edid_valid(edid)) { + dev_warn(&output->dev->pdev->dev, "%s: EDID invalid.\n", + output->name); + goto out_err; + } + + num_modes += add_established_modes(output, edid); + num_modes += add_standard_modes(output, edid); + num_modes += add_detailed_info(output, edid); + + return num_modes; + +out_err: + kfree(edid); + return 0; +} +EXPORT_SYMBOL(drm_add_edid_modes); diff --git a/linux-core/drm_edid.h b/linux-core/drm_edid.h new file mode 100644 index 00000000..0d2eeaa1 --- /dev/null +++ b/linux-core/drm_edid.h @@ -0,0 +1,176 @@ +#ifndef __DRM_EDID_H__ +#define __DRM_EDID_H__ + +#include <linux/types.h> + +#define EDID_LENGTH 128 +#define DDC_ADDR 0x50 + +#ifdef BIG_ENDIAN +#error "EDID structure is little endian, need big endian versions" +#endif + +struct est_timings { + u8 t1; + u8 t2; + u8 mfg_rsvd; +} __attribute__((packed)); + +struct std_timing { + u8 hsize; /* need to multiply by 8 then add 248 */ + u8 vfreq:6; /* need to add 60 */ + u8 aspect_ratio:2; /* 00=16:10, 01=4:3, 10=5:4, 11=16:9 */ +} __attribute__((packed)); + +/* If detailed data is pixel timing */ +struct detailed_pixel_timing { + u8 hactive_lo; + u8 hblank_lo; + u8 hblank_hi:4; + u8 hactive_hi:4; + u8 vactive_lo; + u8 vblank_lo; + u8 vblank_hi:4; + u8 vactive_hi:4; + u8 hsync_offset_lo; + u8 hsync_pulse_width_lo; + u8 vsync_pulse_width_lo:4; + u8 vsync_offset_lo:4; + u8 hsync_pulse_width_hi:2; + u8 hsync_offset_hi:2; + u8 vsync_pulse_width_hi:2; + u8 vsync_offset_hi:2; + u8 width_mm_lo; + u8 height_mm_lo; + u8 height_mm_hi:4; + u8 width_mm_hi:4; + u8 hborder; + u8 vborder; + u8 unknown0:1; + u8 vsync_positive:1; + u8 hsync_positive:1; + u8 separate_sync:2; + u8 stereo:1; + u8 unknown6:1; + u8 interlaced:1; +} __attribute__((packed)); + +/* If it's not pixel timing, it'll be one of the below */ +struct detailed_data_string { + u8 str[13]; +} __attribute__((packed)); + +struct detailed_data_monitor_range { + u8 min_vfreq; + u8 max_vfreq; + u8 min_hfreq_khz; + u8 max_hfreq_khz; + u8 pixel_clock_mhz; /* need to multiply by 10 */ + u16 sec_gtf_toggle; /* A000=use above, 20=use below */ /* FIXME: byte order */ + u8 hfreq_start_khz; /* need to multiply by 2 */ + u8 c; /* need to divide by 2 */ + u16 m; /* FIXME: byte order */ + u8 k; + u8 j; /* need to divide by 2 */ +} __attribute__((packed)); + +struct detailed_data_wpindex { + u8 white_y_lo:2; + u8 white_x_lo:2; + u8 pad:4; + u8 white_x_hi; + u8 white_y_hi; + u8 gamma; /* need to divide by 100 then add 1 */ +} __attribute__((packed)); + +struct detailed_data_color_point { + u8 windex1; + u8 wpindex1[3]; + u8 windex2; + u8 wpindex2[3]; +} __attribute__((packed)); + +struct detailed_non_pixel { + u8 pad1; + u8 type; /* ff=serial, fe=string, fd=monitor range, fc=monitor name + fb=color point data, fa=standard timing data, + f9=undefined, f8=mfg. reserved */ + u8 pad2; + union { + struct detailed_data_string str; + struct detailed_data_monitor_range range; + struct detailed_data_wpindex color; + struct std_timing timings[5]; + } data; +} __attribute__((packed)); + +#define EDID_DETAIL_STD_MODES 0xfa +#define EDID_DETAIL_MONITOR_CPDATA 0xfb +#define EDID_DETAIL_MONITOR_NAME 0xfc +#define EDID_DETAIL_MONITOR_RANGE 0xfd +#define EDID_DETAIL_MONITOR_STRING 0xfe +#define EDID_DETAIL_MONITOR_SERIAL 0xff + +struct detailed_timing { + u16 pixel_clock; /* need to multiply by 10 KHz */ /* FIXME: byte order */ + union { + struct detailed_pixel_timing pixel_data; + struct detailed_non_pixel other_data; + } data; +} __attribute__((packed)); + +struct edid { + u8 header[8]; + /* Vendor & product info */ + u16 mfg_id; /* FIXME: byte order */ + u16 prod_code; /* FIXME: byte order */ + u32 serial; /* FIXME: byte order */ + u8 mfg_week; + u8 mfg_year; + /* EDID version */ + u8 version; + u8 revision; + /* Display info: */ + /* input definition */ + u8 serration_vsync:1; + u8 sync_on_green:1; + u8 composite_sync:1; + u8 separate_syncs:1; + u8 blank_to_black:1; + u8 video_level:2; + u8 digital:1; /* bits below must be zero if set */ + u8 width_cm; + u8 height_cm; + u8 gamma; + /* feature support */ + u8 default_gtf:1; + u8 preferred_timing:1; + u8 standard_color:1; + u8 display_type:2; /* 00=mono, 01=rgb, 10=non-rgb, 11=unknown */ + u8 pm_active_off:1; + u8 pm_suspend:1; + u8 pm_standby:1; + /* Color characteristics */ + u8 red_green_lo; + u8 black_white_lo; + u8 red_x; + u8 red_y; + u8 green_x; + u8 green_y; + u8 blue_x; + u8 blue_y; + u8 white_x; + u8 white_y; + /* Est. timings and mfg rsvd timings*/ + struct est_timings established_timings; + /* Standard timings 1-8*/ + struct std_timing standard_timings[8]; + /* Detailing timings 1-4 */ + struct detailed_timing detailed_timings[4]; + /* Number of 128 byte ext. blocks */ + u8 extensions; + /* Checksum */ + u8 checksum; +} __attribute__((packed)); + +#endif /* __DRM_EDID_H__ */ diff --git a/linux-core/drm_fb.c b/linux-core/drm_fb.c new file mode 100644 index 00000000..775fd180 --- /dev/null +++ b/linux-core/drm_fb.c @@ -0,0 +1,435 @@ +/* + * Copyright © 2007 David Airlie + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * David Airlie + */ + /* + * Modularization + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/mm.h> +#include <linux/tty.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include <linux/fb.h> +#include <linux/init.h> + +#include "drmP.h" +#include "drm_crtc.h" + +struct drmfb_par { + struct drm_device *dev; + struct drm_crtc *crtc; +}; + +static int drmfb_setcolreg(unsigned regno, unsigned red, unsigned green, + unsigned blue, unsigned transp, + struct fb_info *info) +{ + struct drmfb_par *par = info->par; + struct drm_framebuffer *fb = par->crtc->fb; + struct drm_crtc *crtc = par->crtc; + + if (regno > 255) + return 1; + + if (fb->depth == 8) { + if (crtc->funcs->gamma_set) { + crtc->funcs->gamma_set(crtc, red, green, blue, regno); + } + return 0; + } + + if (regno < 16) { + switch (fb->depth) { + case 15: + fb->pseudo_palette[regno] = ((red & 0xf800) >> 1) | + ((green & 0xf800) >> 6) | + ((blue & 0xf800) >> 11); + break; + case 16: + fb->pseudo_palette[regno] = (red & 0xf800) | + ((green & 0xfc00) >> 5) | + ((blue & 0xf800) >> 11); + break; + case 24: + case 32: + fb->pseudo_palette[regno] = ((red & 0xff00) << 8) | + (green & 0xff00) | + ((blue & 0xff00) >> 8); + break; + } + } + + return 0; +} + +static int drmfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) +{ + struct drmfb_par *par = info->par; + struct drm_device *dev = par->dev; + struct drm_framebuffer *fb = par->crtc->fb; + struct drm_display_mode *drm_mode; + struct drm_output *output; + int depth; + + if (!var->pixclock) + return -EINVAL; + + /* Need to resize the fb object !!! */ + if (var->xres > fb->width || var->yres > fb->height) { + DRM_ERROR("Requested width/height is greater than current fb object %dx%d > %dx%d\n",var->xres,var->yres,fb->width,fb->height); + DRM_ERROR("Need resizing code.\n"); + return -EINVAL; + } + + switch (var->bits_per_pixel) { + case 16: + depth = (var->green.length == 6) ? 16 : 15; + break; + case 32: + depth = (var->transp.length > 0) ? 32 : 24; + break; + default: + depth = var->bits_per_pixel; + break; + } + + switch (depth) { + case 8: + var->red.offset = 0; + var->green.offset = 0; + var->blue.offset = 0; + var->red.length = 8; + var->green.length = 8; + var->blue.length = 8; + var->transp.length = 0; + var->transp.offset = 0; + break; + case 15: + var->red.offset = 10; + var->green.offset = 5; + var->blue.offset = 0; + var->red.length = 5; + var->green.length = 5; + var->blue.length = 5; + var->transp.length = 1; + var->transp.offset = 15; + break; + case 16: + var->red.offset = 11; + var->green.offset = 6; + var->blue.offset = 0; + var->red.length = 5; + var->green.length = 6; + var->blue.length = 5; + var->transp.length = 0; + var->transp.offset = 0; + break; + case 24: + var->red.offset = 16; + var->green.offset = 8; + var->blue.offset = 0; + var->red.length = 8; + var->green.length = 8; + var->blue.length = 8; + var->transp.length = 0; + var->transp.offset = 0; + break; + case 32: + var->red.offset = 16; + var->green.offset = 8; + var->blue.offset = 0; + var->red.length = 8; + var->green.length = 8; + var->blue.length = 8; + var->transp.length = 8; + var->transp.offset = 24; + break; + default: + return -EINVAL; + } + +#if 0 + /* Here we walk the output mode list and look for modes. If we haven't + * got it, then bail. Not very nice, so this is disabled. + * In the set_par code, we create our mode based on the incoming + * parameters. Nicer, but may not be desired by some. + */ + list_for_each_entry(output, &dev->mode_config.output_list, head) { + if (output->crtc == par->crtc) + break; + } + + list_for_each_entry(drm_mode, &output->modes, head) { + if (drm_mode->hdisplay == var->xres && + drm_mode->vdisplay == var->yres && + drm_mode->clock != 0) + break; + } + + if (!drm_mode) + return -EINVAL; +#endif + + return 0; +} + +/* this will let fbcon do the mode init */ +static int drmfb_set_par(struct fb_info *info) +{ + struct drmfb_par *par = info->par; + struct drm_framebuffer *fb = par->crtc->fb; + struct drm_device *dev = par->dev; + struct drm_display_mode *drm_mode; + struct fb_var_screeninfo *var = &info->var; + struct drm_output *output; + + switch (var->bits_per_pixel) { + case 16: + fb->depth = (var->green.length == 6) ? 16 : 15; + break; + case 32: + fb->depth = (var->transp.length > 0) ? 32 : 24; + break; + default: + fb->depth = var->bits_per_pixel; + break; + } + + fb->bits_per_pixel = var->bits_per_pixel; + + info->fix.line_length = fb->pitch; + info->fix.smem_len = info->fix.line_length * fb->height; + info->fix.visual = (fb->depth == 8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR; + + info->screen_size = info->fix.smem_len; /* ??? */ + + /* Should we walk the output's modelist or just create our own ??? + * For now, we create and destroy a mode based on the incoming + * parameters. But there's commented out code below which scans + * the output list too. + */ +#if 0 + list_for_each_entry(output, &dev->mode_config.output_list, head) { + if (output->crtc == par->crtc) + break; + } + + list_for_each_entry(drm_mode, &output->modes, head) { + if (drm_mode->hdisplay == var->xres && + drm_mode->vdisplay == var->yres && + drm_mode->clock != 0) + break; + } +#else + drm_mode = drm_mode_create(dev); + drm_mode->hdisplay = var->xres; + drm_mode->hsync_start = drm_mode->hdisplay + var->right_margin; + drm_mode->hsync_end = drm_mode->hsync_start + var->hsync_len; + drm_mode->htotal = drm_mode->hsync_end + var->left_margin; + drm_mode->vdisplay = var->yres; + drm_mode->vsync_start = drm_mode->vdisplay + var->lower_margin; + drm_mode->vsync_end = drm_mode->vsync_start + var->vsync_len; + drm_mode->vtotal = drm_mode->vsync_end + var->upper_margin; + drm_mode->clock = PICOS2KHZ(var->pixclock); + drm_mode->vrefresh = drm_mode_vrefresh(drm_mode); + drm_mode_set_name(drm_mode); + drm_mode_set_crtcinfo(drm_mode, CRTC_INTERLACE_HALVE_V); +#endif + + if (!drm_crtc_set_mode(par->crtc, drm_mode, 0, 0)) + return -EINVAL; + + /* Have to destroy our created mode if we're not searching the mode + * list for it. + */ +#if 1 + drm_mode_destroy(dev, drm_mode); +#endif + + return 0; +} + +static struct fb_ops drmfb_ops = { + .owner = THIS_MODULE, + // .fb_open = drmfb_open, + // .fb_read = drmfb_read, + // .fb_write = drmfb_write, + // .fb_release = drmfb_release, + // .fb_ioctl = drmfb_ioctl, + .fb_check_var = drmfb_check_var, + .fb_set_par = drmfb_set_par, + .fb_setcolreg = drmfb_setcolreg, + .fb_fillrect = cfb_fillrect, + .fb_copyarea = cfb_copyarea, + .fb_imageblit = cfb_imageblit, +}; + +int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc) +{ + struct fb_info *info; + struct drm_framebuffer *fb = crtc->fb; + struct drmfb_par *par; + struct device *device = &dev->pdev->dev; + struct drm_display_mode *mode = crtc->desired_mode; + int ret; + + info = framebuffer_alloc(sizeof(struct drmfb_par), device); + if (!info) + return -ENOMEM; + + fb->fbdev = info; + + par = info->par; + + par->dev = dev; + par->crtc = crtc; + + info->fbops = &drmfb_ops; + + strcpy(info->fix.id, "drmfb"); + info->fix.type = FB_TYPE_PACKED_PIXELS; + info->fix.visual = FB_VISUAL_TRUECOLOR; + info->fix.accel = FB_ACCEL_NONE; + info->fix.type_aux = 0; + info->fix.mmio_start = 0; + info->fix.mmio_len = 0; + info->fix.line_length = fb->pitch; + info->fix.smem_start = fb->offset + dev->mode_config.fb_base; + info->fix.smem_len = info->fix.line_length * fb->height; + + info->flags = FBINFO_DEFAULT; + + ret = drm_mem_reg_ioremap(dev, &fb->bo->mem, &fb->virtual_base); + if (ret) + DRM_ERROR("error mapping fb: %d\n", ret); + + info->screen_base = fb->virtual_base; + info->screen_size = info->fix.smem_len; /* ??? */ + info->pseudo_palette = fb->pseudo_palette; + info->var.xres_virtual = fb->width; + info->var.yres_virtual = fb->height; + info->var.bits_per_pixel = fb->bits_per_pixel; + info->var.xoffset = 0; + info->var.yoffset = 0; + info->var.activate = FB_ACTIVATE_NOW; + info->var.height = -1; + info->var.width = -1; + info->var.vmode = FB_VMODE_NONINTERLACED; + + info->var.xres = mode->hdisplay; + info->var.right_margin = mode->hsync_start - mode->hdisplay; + info->var.hsync_len = mode->hsync_end - mode->hsync_start; + info->var.left_margin = mode->htotal - mode->hsync_end; + info->var.yres = mode->vdisplay; + info->var.lower_margin = mode->vsync_start - mode->vdisplay; + info->var.vsync_len = mode->vsync_end - mode->vsync_start; + info->var.upper_margin = mode->vtotal - mode->vsync_end; + info->var.pixclock = 10000000 / mode->htotal * 1000 / + mode->vtotal * 100; + /* avoid overflow */ + info->var.pixclock = info->var.pixclock * 1000 / mode->vrefresh; + + DRM_DEBUG("fb depth is %d\n", fb->depth); + switch(fb->depth) { + case 8: + info->var.red.offset = 0; + info->var.green.offset = 0; + info->var.blue.offset = 0; + info->var.red.length = 8; /* 8bit DAC */ + info->var.green.length = 8; + info->var.blue.length = 8; + info->var.transp.offset = 0; + info->var.transp.length = 0; + break; + case 15: + info->var.red.offset = 10; + info->var.green.offset = 5; + info->var.blue.offset = 0; + info->var.red.length = info->var.green.length = + info->var.blue.length = 5; + info->var.transp.offset = 15; + info->var.transp.length = 1; + break; + case 16: + info->var.red.offset = 11; + info->var.green.offset = 5; + info->var.blue.offset = 0; + info->var.red.length = 5; + info->var.green.length = 6; + info->var.blue.length = 5; + info->var.transp.offset = 0; + info->var.transp.length = 0; + break; + case 24: + info->var.red.offset = 16; + info->var.green.offset = 8; + info->var.blue.offset = 0; + info->var.red.length = info->var.green.length = + info->var.blue.length = 8; + info->var.transp.offset = 0; + info->var.transp.length = 0; + break; + case 32: + info->var.red.offset = 16; + info->var.green.offset = 8; + info->var.blue.offset = 0; + info->var.red.length = info->var.green.length = + info->var.blue.length = 8; + info->var.transp.offset = 24; + info->var.transp.length = 8; + break; + default: + break; + } + + if (register_framebuffer(info) < 0) { + unregister_framebuffer(info); + return -EINVAL; + } + + printk(KERN_INFO "fb%d: %s frame buffer device\n", info->node, + info->fix.id); + return 0; +} +EXPORT_SYMBOL(drmfb_probe); + +int drmfb_remove(struct drm_device *dev, struct drm_crtc *crtc) +{ + struct fb_info *info = fb->fbdev; + struct drm_framebuffer *fb = crtc->fb; + + if (info) { + drm_mem_reg_iounmap(dev, &fb->bo->mem, fb->virtual_base); + unregister_framebuffer(info); + framebuffer_release(info); + } + return 0; +} +EXPORT_SYMBOL(drmfb_remove); +MODULE_LICENSE("GPL"); diff --git a/linux-core/drm_fops.c b/linux-core/drm_fops.c index 0ccaed5b..a6222613 100644 --- a/linux-core/drm_fops.c +++ b/linux-core/drm_fops.c @@ -264,6 +264,7 @@ static int drm_open_helper(struct inode *inode, struct file *filp, INIT_LIST_HEAD(&priv->lhead); INIT_LIST_HEAD(&priv->refd_objects); + INIT_LIST_HEAD(&priv->fbs); for (i=0; i<_DRM_NO_REF_TYPES; ++i) { ret = drm_ht_create(&priv->refd_object_hash[i], DRM_FILE_HASH_ORDER); @@ -473,6 +474,7 @@ int drm_release(struct inode *inode, struct file *filp) mutex_unlock(&dev->ctxlist_mutex); mutex_lock(&dev->struct_mutex); + drm_fb_release(filp); drm_object_release(filp); if (file_priv->remove_auth_on_close == 1) { struct drm_file *temp; diff --git a/linux-core/drm_modes.c b/linux-core/drm_modes.c new file mode 100644 index 00000000..fd00841e --- /dev/null +++ b/linux-core/drm_modes.c @@ -0,0 +1,560 @@ +/* + * Copyright © 1997-2003 by The XFree86 Project, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Except as contained in this notice, the name of the copyright holder(s) + * and author(s) shall not be used in advertising or otherwise to promote + * the sale, use or other dealings in this Software without prior written + * authorization from the copyright holder(s) and author(s). + */ +/* + * Copyright © 2007 Dave Airlie + */ + +#include <linux/list.h> +#include "drmP.h" +#include "drm.h" +#include "drm_crtc.h" + +/** + * drm_mode_debug_printmodeline - debug print a mode + * @dev: DRM device + * @mode: mode to print + * + * LOCKING: + * None. + * + * Describe @mode using DRM_DEBUG. + */ +void drm_mode_debug_printmodeline(struct drm_device *dev, + struct drm_display_mode *mode) +{ + DRM_DEBUG("Modeline %d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x\n", + mode->mode_id, mode->name, mode->vrefresh, mode->clock, + mode->hdisplay, mode->hsync_start, + mode->hsync_end, mode->htotal, + mode->vdisplay, mode->vsync_start, + mode->vsync_end, mode->vtotal, mode->type); +} +EXPORT_SYMBOL(drm_mode_debug_printmodeline); + +/** + * drm_mode_set_name - set the name on a mode + * @mode: name will be set in this mode + * + * LOCKING: + * None. + * + * Set the name of @mode to a standard format. + */ +void drm_mode_set_name(struct drm_display_mode *mode) +{ + snprintf(mode->name, DRM_DISPLAY_MODE_LEN, "%dx%d", mode->hdisplay, + mode->vdisplay); +} +EXPORT_SYMBOL(drm_mode_set_name); + +/** + * drm_mode_list_concat - move modes from one list to another + * @head: source list + * @new: dst list + * + * LOCKING: + * Caller must ensure both lists are locked. + * + * Move all the modes from @head to @new. + */ +void drm_mode_list_concat(struct list_head *head, struct list_head *new) +{ + + struct list_head *entry, *tmp; + + list_for_each_safe(entry, tmp, head) { + list_move_tail(entry, new); + } +} + +/** + * drm_mode_width - get the width of a mode + * @mode: mode + * + * LOCKING: + * None. + * + * Return @mode's width (hdisplay) value. + * + * FIXME: is this needed? + * + * RETURNS: + * @mode->hdisplay + */ +int drm_mode_width(struct drm_display_mode *mode) +{ + return mode->hdisplay; + +} +EXPORT_SYMBOL(drm_mode_width); + +/** + * drm_mode_height - get the height of a mode + * @mode: mode + * + * LOCKING: + * None. + * + * Return @mode's height (vdisplay) value. + * + * FIXME: is this needed? + * + * RETURNS: + * @mode->vdisplay + */ +int drm_mode_height(struct drm_display_mode *mode) +{ + return mode->vdisplay; +} +EXPORT_SYMBOL(drm_mode_height); + +/** + * drm_mode_vrefresh - get the vrefresh of a mode + * @mode: mode + * + * LOCKING: + * None. + * + * Return @mode's vrefresh rate or calculate it if necessary. + * + * FIXME: why is this needed? shouldn't vrefresh be set already? + * + * RETURNS: + * Vertical refresh rate of @mode x 1000. For precision reasons. + */ +int drm_mode_vrefresh(struct drm_display_mode *mode) +{ + int refresh = 0; + unsigned int calc_val; + + if (mode->vrefresh > 0) + refresh = mode->vrefresh; + else if (mode->htotal > 0 && mode->vtotal > 0) { + /* work out vrefresh the value will be x1000 */ + calc_val = (mode->clock * 1000); + + calc_val /= mode->htotal; + calc_val *= 1000; + calc_val /= mode->vtotal; + + refresh = calc_val; + if (mode->flags & V_INTERLACE) + refresh *= 2; + if (mode->flags & V_DBLSCAN) + refresh /= 2; + if (mode->vscan > 1) + refresh /= mode->vscan; + } + return refresh; +} +EXPORT_SYMBOL(drm_mode_vrefresh); + +/** + * drm_mode_set_crtcinfo - set CRTC modesetting parameters + * @p: mode + * @adjust_flags: unused? (FIXME) + * + * LOCKING: + * None. + * + * Setup the CRTC modesetting parameters for @p, adjusting if necessary. + */ +void drm_mode_set_crtcinfo(struct drm_display_mode *p, int adjust_flags) +{ + if ((p == NULL) || ((p->type & DRM_MODE_TYPE_CRTC_C) == DRM_MODE_TYPE_BUILTIN)) + return; + + p->crtc_hdisplay = p->hdisplay; + p->crtc_hsync_start = p->hsync_start; + p->crtc_hsync_end = p->hsync_end; + p->crtc_htotal = p->htotal; + p->crtc_hskew = p->hskew; + p->crtc_vdisplay = p->vdisplay; + p->crtc_vsync_start = p->vsync_start; + p->crtc_vsync_end = p->vsync_end; + p->crtc_vtotal = p->vtotal; + + if (p->flags & V_INTERLACE) { + if (adjust_flags & CRTC_INTERLACE_HALVE_V) { + p->crtc_vdisplay /= 2; + p->crtc_vsync_start /= 2; + p->crtc_vsync_end /= 2; + p->crtc_vtotal /= 2; + } + + p->crtc_vtotal |= 1; + } + + if (p->flags & V_DBLSCAN) { + p->crtc_vdisplay *= 2; + p->crtc_vsync_start *= 2; + p->crtc_vsync_end *= 2; + p->crtc_vtotal *= 2; + } + + if (p->vscan > 1) { + p->crtc_vdisplay *= p->vscan; + p->crtc_vsync_start *= p->vscan; + p->crtc_vsync_end *= p->vscan; + p->crtc_vtotal *= p->vscan; + } + + p->crtc_vblank_start = min(p->crtc_vsync_start, p->crtc_vdisplay); + p->crtc_vblank_end = max(p->crtc_vsync_end, p->crtc_vtotal); + p->crtc_hblank_start = min(p->crtc_hsync_start, p->crtc_hdisplay); + p->crtc_hblank_end = max(p->crtc_hsync_end, p->crtc_htotal); + + p->crtc_hadjusted = false; + p->crtc_vadjusted = false; +} +EXPORT_SYMBOL(drm_mode_set_crtcinfo); + + +/** + * drm_mode_duplicate - allocate and duplicate an existing mode + * @m: mode to duplicate + * + * LOCKING: + * None. + * + * Just allocate a new mode, copy the existing mode into it, and return + * a pointer to it. Used to create new instances of established modes. + */ +struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev, + struct drm_display_mode *mode) +{ + struct drm_display_mode *nmode; + int new_id; + + nmode = drm_mode_create(dev); + if (!nmode) + return NULL; + + new_id = nmode->mode_id; + *nmode = *mode; + nmode->mode_id = new_id; + INIT_LIST_HEAD(&nmode->head); + return nmode; +} +EXPORT_SYMBOL(drm_mode_duplicate); + +/** + * drm_mode_equal - test modes for equality + * @mode1: first mode + * @mode2: second mode + * + * LOCKING: + * None. + * + * Check to see if @mode1 and @mode2 are equivalent. + * + * RETURNS: + * True if the modes are equal, false otherwise. + */ +bool drm_mode_equal(struct drm_display_mode *mode1, struct drm_display_mode *mode2) +{ + if (mode1->clock == mode2->clock && + mode1->hdisplay == mode2->hdisplay && + mode1->hsync_start == mode2->hsync_start && + mode1->hsync_end == mode2->hsync_end && + mode1->htotal == mode2->htotal && + mode1->hskew == mode2->hskew && + mode1->vdisplay == mode2->vdisplay && + mode1->vsync_start == mode2->vsync_start && + mode1->vsync_end == mode2->vsync_end && + mode1->vtotal == mode2->vtotal && + mode1->vscan == mode2->vscan && + mode1->flags == mode2->flags) + return true; + + return false; +} +EXPORT_SYMBOL(drm_mode_equal); + +/** + * drm_mode_validate_size - make sure modes adhere to size constraints + * @dev: DRM device + * @mode_list: list of modes to check + * @maxX: maximum width + * @maxY: maximum height + * @maxPitch: max pitch + * + * LOCKING: + * Caller must hold a lock protecting @mode_list. + * + * The DRM device (@dev) has size and pitch limits. Here we validate the + * modes we probed for @dev against those limits and set their status as + * necessary. + */ +void drm_mode_validate_size(struct drm_device *dev, + struct list_head *mode_list, + int maxX, int maxY, int maxPitch) +{ + struct drm_display_mode *mode; + + list_for_each_entry(mode, mode_list, head) { + if (maxPitch > 0 && mode->hdisplay > maxPitch) + mode->status = MODE_BAD_WIDTH; + + if (maxX > 0 && mode->hdisplay > maxX) + mode->status = MODE_VIRTUAL_X; + + if (maxY > 0 && mode->vdisplay > maxY) + mode->status = MODE_VIRTUAL_Y; + } +} +EXPORT_SYMBOL(drm_mode_validate_size); + +/** + * drm_mode_validate_clocks - validate modes against clock limits + * @dev: DRM device + * @mode_list: list of modes to check + * @min: minimum clock rate array + * @max: maximum clock rate array + * @n_ranges: number of clock ranges (size of arrays) + * + * LOCKING: + * Caller must hold a lock protecting @mode_list. + * + * Some code may need to check a mode list against the clock limits of the + * device in question. This function walks the mode list, testing to make + * sure each mode falls within a given range (defined by @min and @max + * arrays) and sets @mode->status as needed. + */ +void drm_mode_validate_clocks(struct drm_device *dev, + struct list_head *mode_list, + int *min, int *max, int n_ranges) +{ + struct drm_display_mode *mode; + int i; + + list_for_each_entry(mode, mode_list, head) { + bool good = false; + for (i = 0; i < n_ranges; i++) { + if (mode->clock >= min[i] && mode->clock <= max[i]) { + good = true; + break; + } + } + if (!good) + mode->status = MODE_CLOCK_RANGE; + } +} +EXPORT_SYMBOL(drm_mode_validate_clocks); + +/** + * drm_mode_prune_invalid - remove invalid modes from mode list + * @dev: DRM device + * @mode_list: list of modes to check + * @verbose: be verbose about it + * + * LOCKING: + * Caller must hold a lock protecting @mode_list. + * + * Once mode list generation is complete, a caller can use this routine to + * remove invalid modes from a mode list. If any of the modes have a + * status other than %MODE_OK, they are removed from @mode_list and freed. + */ +void drm_mode_prune_invalid(struct drm_device *dev, + struct list_head *mode_list, bool verbose) +{ + struct drm_display_mode *mode, *t; + + list_for_each_entry_safe(mode, t, mode_list, head) { + if (mode->status != MODE_OK) { + list_del(&mode->head); + if (verbose) { + drm_mode_debug_printmodeline(dev, mode); + DRM_DEBUG("Not using %s mode %d\n", mode->name, mode->status); + } + kfree(mode); + } + } +} + +/** + * drm_mode_compare - compare modes for favorability + * @lh_a: list_head for first mode + * @lh_b: list_head for second mode + * + * LOCKING: + * None. + * + * Compare two modes, given by @lh_a and @lh_b, returning a value indicating + * which is better. + * + * RETURNS: + * Negative if @lh_a is better than @lh_b, zero if they're equivalent, or + * positive if @lh_b is better than @lh_a. + */ +static int drm_mode_compare(struct list_head *lh_a, struct list_head *lh_b) +{ + struct drm_display_mode *a = list_entry(lh_a, struct drm_display_mode, head); + struct drm_display_mode *b = list_entry(lh_b, struct drm_display_mode, head); + int diff; + + diff = ((b->type & DRM_MODE_TYPE_PREFERRED) != 0) - + ((a->type & DRM_MODE_TYPE_PREFERRED) != 0); + if (diff) + return diff; + diff = b->hdisplay * b->vdisplay - a->hdisplay * a->vdisplay; + if (diff) + return diff; + diff = b->clock - a->clock; + return diff; +} + +/* FIXME: what we don't have a list sort function? */ +/* list sort from Mark J Roberts (mjr@znex.org) */ +void list_sort(struct list_head *head, int (*cmp)(struct list_head *a, struct list_head *b)) +{ + struct list_head *p, *q, *e, *list, *tail, *oldhead; + int insize, nmerges, psize, qsize, i; + + list = head->next; + list_del(head); + insize = 1; + for (;;) { + p = oldhead = list; + list = tail = NULL; + nmerges = 0; + + while (p) { + nmerges++; + q = p; + psize = 0; + for (i = 0; i < insize; i++) { + psize++; + q = q->next == oldhead ? NULL : q->next; + if (!q) + break; + } + + qsize = insize; + while (psize > 0 || (qsize > 0 && q)) { + if (!psize) { + e = q; + q = q->next; + qsize--; + if (q == oldhead) + q = NULL; + } else if (!qsize || !q) { + e = p; + p = p->next; + psize--; + if (p == oldhead) + p = NULL; + } else if (cmp(p, q) <= 0) { + e = p; + p = p->next; + psize--; + if (p == oldhead) + p = NULL; + } else { + e = q; + q = q->next; + qsize--; + if (q == oldhead) + q = NULL; + } + if (tail) + tail->next = e; + else + list = e; + e->prev = tail; + tail = e; + } + p = q; + } + + tail->next = list; + list->prev = tail; + + if (nmerges <= 1) + break; + + insize *= 2; + } + + head->next = list; + head->prev = list->prev; + list->prev->next = head; + list->prev = head; +} + +/** + * drm_mode_sort - sort mode list + * @mode_list: list to sort + * + * LOCKING: + * Caller must hold a lock protecting @mode_list. + * + * Sort @mode_list by favorability, putting good modes first. + */ +void drm_mode_sort(struct list_head *mode_list) +{ + list_sort(mode_list, drm_mode_compare); +} + + +/** + * drm_mode_output_list_update - update the mode list for the output + * @output: the output to update + * + * LOCKING: + * Caller must hold a lock protecting @mode_list. + * + * This moves the modes from the @output probed_modes list + * to the actual mode list. It compares the probed mode against the current + * list and only adds different modes. All modes unverified after this point + * will be removed by the prune invalid modes. + */ +void drm_mode_output_list_update(struct drm_output *output) +{ + struct drm_display_mode *mode; + struct drm_display_mode *pmode, *pt; + int found_it; + list_for_each_entry_safe(pmode, pt, &output->probed_modes, + head) { + found_it = 0; + /* go through current modes checking for the new probed mode */ + list_for_each_entry(mode, &output->modes, head) { + if (drm_mode_equal(pmode, mode)) { + found_it = 1; + /* if equal delete the probed mode */ + mode->status = pmode->status; + list_del(&pmode->head); + kfree(pmode); + break; + } + } + + if (!found_it) { + list_move_tail(&pmode->head, &output->modes); + } + } +} diff --git a/linux-core/drm_objects.h b/linux-core/drm_objects.h index 702ece56..8ae55bf0 100644 --- a/linux-core/drm_objects.h +++ b/linux-core/drm_objects.h @@ -469,12 +469,12 @@ struct drm_bo_driver { /* * buffer objects (drm_bo.c) */ - extern int drm_bo_create_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_bo_destroy_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_bo_map_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_bo_unmap_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_bo_reference_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int drm_bo_set_pin(struct drm_device *dev, struct drm_buffer_object *bo, int pin); extern int drm_bo_unreference_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_bo_wait_idle_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_bo_info_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); @@ -612,6 +612,10 @@ extern void drm_regs_init(struct drm_reg_manager *manager, const void *), void (*reg_destroy)(struct drm_reg *)); +extern int drm_mem_reg_ioremap(struct drm_device *dev, struct drm_bo_mem_reg * mem, + void **virtual); +extern void drm_mem_reg_iounmap(struct drm_device *dev, struct drm_bo_mem_reg * mem, + void *virtual); /* * drm_bo_lock.c * Simple replacement for the hardware lock on buffer manager init and clean. diff --git a/linux-core/drm_stub.c b/linux-core/drm_stub.c index 9e140ac2..34e8d2b8 100644 --- a/linux-core/drm_stub.c +++ b/linux-core/drm_stub.c @@ -85,9 +85,9 @@ static int drm_fill_in_dev(struct drm_device * dev, struct pci_dev *pdev, #endif dev->irq = pdev->irq; - if (drm_ht_create(&dev->map_hash, DRM_MAP_HASH_ORDER)) { + if (drm_ht_create(&dev->map_hash, DRM_MAP_HASH_ORDER)) return -ENOMEM; - } + if (drm_mm_init(&dev->offset_manager, DRM_FILE_PAGE_OFFSET_START, DRM_FILE_PAGE_OFFSET_SIZE)) { drm_ht_remove(&dev->map_hash); @@ -111,10 +111,6 @@ static int drm_fill_in_dev(struct drm_device * dev, struct pci_dev *pdev, dev->driver = driver; - if (dev->driver->load) - if ((retcode = dev->driver->load(dev, ent->driver_data))) - goto error_out_unreg; - if (drm_core_has_AGP(dev)) { if (drm_device_is_agp(dev)) dev->agp = drm_agp_init(dev); @@ -134,6 +130,10 @@ static int drm_fill_in_dev(struct drm_device * dev, struct pci_dev *pdev, } } + if (dev->driver->load) + if ((retcode = dev->driver->load(dev, ent->driver_data))) + goto error_out_unreg; + retcode = drm_ctxbitmap_init(dev); if (retcode) { DRM_ERROR("Cannot allocate memory for context bitmap.\n"); diff --git a/linux-core/i915_buffer.c b/linux-core/i915_buffer.c index f81def8f..01fae64a 100644 --- a/linux-core/i915_buffer.c +++ b/linux-core/i915_buffer.c @@ -89,7 +89,7 @@ int i915_init_mem_type(struct drm_device * dev, uint32_t type, man->drm_bus_maptype = _DRM_AGP; man->gpu_offset = 0; break; - case DRM_BO_MEM_PRIV0: + case DRM_BO_MEM_VRAM: if (!(drm_core_has_AGP(dev) && dev->agp)) { DRM_ERROR("AGP is not enabled for memory type %u\n", (unsigned)type); @@ -103,6 +103,9 @@ int i915_init_mem_type(struct drm_device * dev, uint32_t type, man->drm_bus_maptype = _DRM_AGP; man->gpu_offset = 0; break; + case DRM_BO_MEM_PRIV0: /* for OS preallocated space */ + DRM_ERROR("PRIV0 not used yet.\n"); + break; default: DRM_ERROR("Unsupported memory type %u\n", (unsigned)type); return -EINVAL; @@ -130,7 +133,7 @@ static void i915_emit_copy_blit(struct drm_device * dev, { uint32_t cur_pages; uint32_t stride = PAGE_SIZE; - drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = dev->dev_private; RING_LOCALS; if (!dev_priv) diff --git a/linux-core/i915_drv.c b/linux-core/i915_drv.c index e337e1d2..27e95d65 100644 --- a/linux-core/i915_drv.c +++ b/linux-core/i915_drv.c @@ -30,6 +30,7 @@ #include "drmP.h" #include "drm.h" #include "i915_drm.h" +#include "intel_drv.h" #include "i915_drv.h" #include "drm_pciids.h" @@ -52,8 +53,8 @@ static struct drm_fence_driver i915_fence_driver = { #endif #ifdef I915_HAVE_BUFFER -static uint32_t i915_mem_prios[] = {DRM_BO_MEM_PRIV0, DRM_BO_MEM_TT, DRM_BO_MEM_LOCAL}; -static uint32_t i915_busy_prios[] = {DRM_BO_MEM_TT, DRM_BO_MEM_PRIV0, DRM_BO_MEM_LOCAL}; +static uint32_t i915_mem_prios[] = {DRM_BO_MEM_VRAM, DRM_BO_MEM_PRIV0, DRM_BO_MEM_TT, DRM_BO_MEM_LOCAL}; +static uint32_t i915_busy_prios[] = {DRM_BO_MEM_TT, DRM_BO_MEM_PRIV0, DRM_BO_MEM_VRAM, DRM_BO_MEM_LOCAL}; static struct drm_bo_driver i915_bo_driver = { .mem_type_prio = i915_mem_prios, @@ -69,6 +70,234 @@ static struct drm_bo_driver i915_bo_driver = { }; #endif +static int i915_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct drm_device *dev = pci_get_drvdata(pdev); + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_output *output; + int i; + + pci_save_state(pdev); + + /* Save video mode information for native mode-setting. */ + dev_priv->saveDSPACNTR = I915_READ(DSPACNTR); + dev_priv->savePIPEACONF = I915_READ(PIPEACONF); + dev_priv->savePIPEASRC = I915_READ(PIPEASRC); + dev_priv->saveFPA0 = I915_READ(FPA0); + dev_priv->saveFPA1 = I915_READ(FPA1); + dev_priv->saveDPLL_A = I915_READ(DPLL_A); + if (IS_I965G(dev)) + dev_priv->saveDPLL_A_MD = I915_READ(DPLL_A_MD); + dev_priv->saveHTOTAL_A = I915_READ(HTOTAL_A); + dev_priv->saveHBLANK_A = I915_READ(HBLANK_A); + dev_priv->saveHSYNC_A = I915_READ(HSYNC_A); + dev_priv->saveVTOTAL_A = I915_READ(VTOTAL_A); + dev_priv->saveVBLANK_A = I915_READ(VBLANK_A); + dev_priv->saveVSYNC_A = I915_READ(VSYNC_A); + dev_priv->saveDSPASTRIDE = I915_READ(DSPASTRIDE); + dev_priv->saveDSPASIZE = I915_READ(DSPASIZE); + dev_priv->saveDSPAPOS = I915_READ(DSPAPOS); + dev_priv->saveDSPABASE = I915_READ(DSPABASE); + + for(i= 0; i < 256; i++) + dev_priv->savePaletteA[i] = I915_READ(PALETTE_A + (i << 2)); + + if(dev->mode_config.num_crtc == 2) { + dev_priv->savePIPEBCONF = I915_READ(PIPEBCONF); + dev_priv->savePIPEBSRC = I915_READ(PIPEBSRC); + dev_priv->saveDSPBCNTR = I915_READ(DSPBCNTR); + dev_priv->saveFPB0 = I915_READ(FPB0); + dev_priv->saveFPB1 = I915_READ(FPB1); + dev_priv->saveDPLL_B = I915_READ(DPLL_B); + if (IS_I965G(dev)) + dev_priv->saveDPLL_B_MD = I915_READ(DPLL_B_MD); + dev_priv->saveHTOTAL_B = I915_READ(HTOTAL_B); + dev_priv->saveHBLANK_B = I915_READ(HBLANK_B); + dev_priv->saveHSYNC_B = I915_READ(HSYNC_B); + dev_priv->saveVTOTAL_B = I915_READ(VTOTAL_B); + dev_priv->saveVBLANK_B = I915_READ(VBLANK_B); + dev_priv->saveVSYNC_B = I915_READ(VSYNC_B); + dev_priv->saveDSPBSTRIDE = I915_READ(DSPBSTRIDE); + dev_priv->saveDSPBSIZE = I915_READ(DSPBSIZE); + dev_priv->saveDSPBPOS = I915_READ(DSPBPOS); + dev_priv->saveDSPBBASE = I915_READ(DSPBBASE); + for(i= 0; i < 256; i++) + dev_priv->savePaletteB[i] = + I915_READ(PALETTE_B + (i << 2)); + } + + if (IS_I965G(dev)) { + dev_priv->saveDSPASURF = I915_READ(DSPASURF); + dev_priv->saveDSPBSURF = I915_READ(DSPBSURF); + } + + dev_priv->saveVCLK_DIVISOR_VGA0 = I915_READ(VCLK_DIVISOR_VGA0); + dev_priv->saveVCLK_DIVISOR_VGA1 = I915_READ(VCLK_DIVISOR_VGA1); + dev_priv->saveVCLK_POST_DIV = I915_READ(VCLK_POST_DIV); + dev_priv->saveVGACNTRL = I915_READ(VGACNTRL); + + for(i = 0; i < 7; i++) { + dev_priv->saveSWF[i] = I915_READ(SWF0 + (i << 2)); + dev_priv->saveSWF[i+7] = I915_READ(SWF00 + (i << 2)); + } + dev_priv->saveSWF[14] = I915_READ(SWF30); + dev_priv->saveSWF[15] = I915_READ(SWF31); + dev_priv->saveSWF[16] = I915_READ(SWF32); + + if (IS_MOBILE(dev) && !IS_I830(dev)) + dev_priv->saveLVDS = I915_READ(LVDS); + dev_priv->savePFIT_CONTROL = I915_READ(PFIT_CONTROL); + + list_for_each_entry(output, &dev->mode_config.output_list, head) + if (output->funcs->save) + (*output->funcs->save) (output); + +#if 0 /* FIXME: save VGA bits */ + vgaHWUnlock(hwp); + vgaHWSave(pScrn, vgaReg, VGA_SR_FONTS); +#endif + pci_disable_device(pdev); + pci_set_power_state(pdev, PCI_D3hot); + + return 0; +} + +static int i915_resume(struct pci_dev *pdev) +{ + struct drm_device *dev = pci_get_drvdata(pdev); + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_output *output; + struct drm_crtc *crtc; + int i; + + pci_set_power_state(pdev, PCI_D0); + pci_restore_state(pdev); + if (pci_enable_device(pdev)) + return -1; + + /* Disable outputs */ + list_for_each_entry(output, &dev->mode_config.output_list, head) + output->funcs->dpms(output, DPMSModeOff); + + i915_driver_wait_next_vblank(dev, 0); + + /* Disable pipes */ + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) + crtc->funcs->dpms(crtc, DPMSModeOff); + + /* FIXME: wait for vblank on each pipe? */ + i915_driver_wait_next_vblank(dev, 0); + + if (IS_MOBILE(dev) && !IS_I830(dev)) + I915_WRITE(LVDS, dev_priv->saveLVDS); + + if (!IS_I830(dev) && !IS_845G(dev)) + I915_WRITE(PFIT_CONTROL, dev_priv->savePFIT_CONTROL); + + if (dev_priv->saveDPLL_A & DPLL_VCO_ENABLE) { + I915_WRITE(DPLL_A, dev_priv->saveDPLL_A & ~DPLL_VCO_ENABLE); + udelay(150); + } + I915_WRITE(FPA0, dev_priv->saveFPA0); + I915_WRITE(FPA1, dev_priv->saveFPA1); + I915_WRITE(DPLL_A, dev_priv->saveDPLL_A); + udelay(150); + if (IS_I965G(dev)) + I915_WRITE(DPLL_A_MD, dev_priv->saveDPLL_A_MD); + else + I915_WRITE(DPLL_A, dev_priv->saveDPLL_A); + udelay(150); + + I915_WRITE(HTOTAL_A, dev_priv->saveHTOTAL_A); + I915_WRITE(HBLANK_A, dev_priv->saveHBLANK_A); + I915_WRITE(HSYNC_A, dev_priv->saveHSYNC_A); + I915_WRITE(VTOTAL_A, dev_priv->saveVTOTAL_A); + I915_WRITE(VBLANK_A, dev_priv->saveVBLANK_A); + I915_WRITE(VSYNC_A, dev_priv->saveVSYNC_A); + + I915_WRITE(DSPASTRIDE, dev_priv->saveDSPASTRIDE); + I915_WRITE(DSPASIZE, dev_priv->saveDSPASIZE); + I915_WRITE(DSPAPOS, dev_priv->saveDSPAPOS); + I915_WRITE(PIPEASRC, dev_priv->savePIPEASRC); + I915_WRITE(DSPABASE, dev_priv->saveDSPABASE); + if (IS_I965G(dev)) + I915_WRITE(DSPASURF, dev_priv->saveDSPASURF); + I915_WRITE(PIPEACONF, dev_priv->savePIPEACONF); + i915_driver_wait_next_vblank(dev, 0); + I915_WRITE(DSPACNTR, dev_priv->saveDSPACNTR); + I915_WRITE(DSPABASE, I915_READ(DSPABASE)); + i915_driver_wait_next_vblank(dev, 0); + + if(dev->mode_config.num_crtc == 2) { + if (dev_priv->saveDPLL_B & DPLL_VCO_ENABLE) { + I915_WRITE(DPLL_B, dev_priv->saveDPLL_B & ~DPLL_VCO_ENABLE); + udelay(150); + } + I915_WRITE(FPB0, dev_priv->saveFPB0); + I915_WRITE(FPB1, dev_priv->saveFPB1); + I915_WRITE(DPLL_B, dev_priv->saveDPLL_B); + udelay(150); + if (IS_I965G(dev)) + I915_WRITE(DPLL_B_MD, dev_priv->saveDPLL_B_MD); + else + I915_WRITE(DPLL_B, dev_priv->saveDPLL_B); + udelay(150); + + I915_WRITE(HTOTAL_B, dev_priv->saveHTOTAL_B); + I915_WRITE(HBLANK_B, dev_priv->saveHBLANK_B); + I915_WRITE(HSYNC_B, dev_priv->saveHSYNC_B); + I915_WRITE(VTOTAL_B, dev_priv->saveVTOTAL_B); + I915_WRITE(VBLANK_B, dev_priv->saveVBLANK_B); + I915_WRITE(VSYNC_B, dev_priv->saveVSYNC_B); + I915_WRITE(DSPBSTRIDE, dev_priv->saveDSPBSTRIDE); + I915_WRITE(DSPBSIZE, dev_priv->saveDSPBSIZE); + I915_WRITE(DSPBPOS, dev_priv->saveDSPBPOS); + I915_WRITE(PIPEBSRC, dev_priv->savePIPEBSRC); + I915_WRITE(DSPBBASE, dev_priv->saveDSPBBASE); + if (IS_I965G(dev)) + I915_WRITE(DSPBSURF, dev_priv->saveDSPBSURF); + I915_WRITE(PIPEBCONF, dev_priv->savePIPEBCONF); + i915_driver_wait_next_vblank(dev, 0); + I915_WRITE(DSPBCNTR, dev_priv->saveDSPBCNTR); + I915_WRITE(DSPBBASE, I915_READ(DSPBBASE)); + i915_driver_wait_next_vblank(dev, 0); + } + + /* Restore outputs */ + list_for_each_entry(output, &dev->mode_config.output_list, head) + if (output->funcs->restore) + output->funcs->restore(output); + + I915_WRITE(VGACNTRL, dev_priv->saveVGACNTRL); + + I915_WRITE(VCLK_DIVISOR_VGA0, dev_priv->saveVCLK_DIVISOR_VGA0); + I915_WRITE(VCLK_DIVISOR_VGA1, dev_priv->saveVCLK_DIVISOR_VGA1); + I915_WRITE(VCLK_POST_DIV, dev_priv->saveVCLK_POST_DIV); + + for(i = 0; i < 256; i++) + I915_WRITE(PALETTE_A + (i << 2), dev_priv->savePaletteA[i]); + + if(dev->mode_config.num_crtc == 2) + for(i= 0; i < 256; i++) + I915_WRITE(PALETTE_B + (i << 2), dev_priv->savePaletteB[i]); + + for(i = 0; i < 7; i++) { + I915_WRITE(SWF0 + (i << 2), dev_priv->saveSWF[i]); + I915_WRITE(SWF00 + (i << 2), dev_priv->saveSWF[i+7]); + } + + I915_WRITE(SWF30, dev_priv->saveSWF[14]); + I915_WRITE(SWF31, dev_priv->saveSWF[15]); + I915_WRITE(SWF32, dev_priv->saveSWF[16]); + +#if 0 /* FIXME: restore VGA bits */ + vgaHWRestore(pScrn, vgaReg, VGA_SR_FONTS); + vgaHWLock(hwp); +#endif + + return 0; +} + static int probe(struct pci_dev *pdev, const struct pci_device_id *ent); static struct drm_driver driver = { /* don't use mtrr's here, the Xserver or user space app should @@ -79,7 +308,7 @@ static struct drm_driver driver = { DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL | DRIVER_IRQ_VBL2, .load = i915_driver_load, - .firstopen = i915_driver_firstopen, + .unload = i915_driver_unload, .lastclose = i915_driver_lastclose, .preclose = i915_driver_preclose, .device_is_agp = i915_driver_device_is_agp, @@ -92,6 +321,8 @@ static struct drm_driver driver = { .reclaim_buffers = drm_core_reclaim_buffers, .get_map_ofs = drm_core_get_map_ofs, .get_reg_ofs = drm_core_get_reg_ofs, + .fb_probe = intelfb_probe, + .fb_remove = intelfb_remove, .ioctls = i915_ioctls, .fops = { .owner = THIS_MODULE, @@ -110,6 +341,8 @@ static struct drm_driver driver = { .id_table = pciidlist, .probe = probe, .remove = __devexit_p(drm_cleanup_pci), + .suspend = i915_suspend, + .resume = i915_resume, }, #ifdef I915_HAVE_FENCE .fence_driver = &i915_fence_driver, diff --git a/linux-core/i915_fence.c b/linux-core/i915_fence.c index a0f22785..330c870e 100644 --- a/linux-core/i915_fence.c +++ b/linux-core/i915_fence.c @@ -40,7 +40,7 @@ static void i915_perform_flush(struct drm_device * dev) { - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private; struct drm_fence_manager *fm = &dev->fm; struct drm_fence_class_manager *fc = &fm->fence_class[0]; struct drm_fence_driver *driver = dev->driver->fence_driver; @@ -123,7 +123,7 @@ void i915_poke_flush(struct drm_device * dev, uint32_t class) int i915_fence_emit_sequence(struct drm_device * dev, uint32_t class, uint32_t flags, uint32_t * sequence, uint32_t * native_type) { - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private; if (!dev_priv) return -EINVAL; diff --git a/linux-core/i915_init.c b/linux-core/i915_init.c new file mode 120000 index 00000000..473ddf7b --- /dev/null +++ b/linux-core/i915_init.c @@ -0,0 +1 @@ +../shared-core/i915_init.c
\ No newline at end of file diff --git a/linux-core/intel_crt.c b/linux-core/intel_crt.c new file mode 100644 index 00000000..d2e1f95c --- /dev/null +++ b/linux-core/intel_crt.c @@ -0,0 +1,248 @@ +/* + * Copyright © 2006-2007 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Eric Anholt <eric@anholt.net> + */ + +#include <linux/i2c.h> +#include "drmP.h" +#include "drm.h" +#include "drm_crtc.h" +#include "intel_drv.h" +#include "i915_drm.h" +#include "i915_drv.h" + +static void intel_crt_dpms(struct drm_output *output, int mode) +{ + struct drm_device *dev = output->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + u32 temp; + + temp = I915_READ(ADPA); + temp &= ~(ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE); + temp &= ~ADPA_DAC_ENABLE; + + switch(mode) { + case DPMSModeOn: + temp |= ADPA_DAC_ENABLE; + break; + case DPMSModeStandby: + temp |= ADPA_DAC_ENABLE | ADPA_HSYNC_CNTL_DISABLE; + break; + case DPMSModeSuspend: + temp |= ADPA_DAC_ENABLE | ADPA_VSYNC_CNTL_DISABLE; + break; + case DPMSModeOff: + temp |= ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE; + break; + } + + I915_WRITE(ADPA, temp); +} + +static void intel_crt_save(struct drm_output *output) +{ + +} + +static void intel_crt_restore(struct drm_output *output) +{ + +} + +static int intel_crt_mode_valid(struct drm_output *output, + struct drm_display_mode *mode) +{ + if (mode->flags & V_DBLSCAN) + return MODE_NO_DBLESCAN; + + if (mode->clock > 400000 || mode->clock < 25000) + return MODE_CLOCK_RANGE; + + return MODE_OK; +} + +static bool intel_crt_mode_fixup(struct drm_output *output, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + return true; +} + +static void intel_crt_mode_set(struct drm_output *output, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + struct drm_device *dev = output->dev; + struct drm_crtc *crtc = output->crtc; + struct intel_crtc *intel_crtc = crtc->driver_private; + struct drm_i915_private *dev_priv = dev->dev_private; + int dpll_md_reg; + u32 adpa, dpll_md; + + if (intel_crtc->pipe == 0) + dpll_md_reg = DPLL_A_MD; + else + dpll_md_reg = DPLL_B_MD; + + /* + * Disable separate mode multiplier used when cloning SDVO to CRT + * XXX this needs to be adjusted when we really are cloning + */ + if (IS_I965G(dev)) { + dpll_md = I915_READ(dpll_md_reg); + I915_WRITE(dpll_md_reg, + dpll_md & ~DPLL_MD_UDI_MULTIPLIER_MASK); + } + + adpa = 0; + if (adjusted_mode->flags & V_PHSYNC) + adpa |= ADPA_HSYNC_ACTIVE_HIGH; + if (adjusted_mode->flags & V_PVSYNC) + adpa |= ADPA_VSYNC_ACTIVE_HIGH; + + if (intel_crtc->pipe == 0) + adpa |= ADPA_PIPE_A_SELECT; + else + adpa |= ADPA_PIPE_B_SELECT; + + I915_WRITE(ADPA, adpa); +} + +/** + * Uses CRT_HOTPLUG_EN and CRT_HOTPLUG_STAT to detect CRT presence. + * + * Only for I945G/GM. + * + * \return TRUE if CRT is connected. + * \return FALSE if CRT is disconnected. + */ +static bool intel_crt_detect_hotplug(struct drm_output *output) +{ + struct drm_device *dev = output->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + u32 temp; + unsigned long timeout = jiffies + msecs_to_jiffies(1000); + + temp = I915_READ(PORT_HOTPLUG_EN); + + I915_WRITE(PORT_HOTPLUG_EN, + temp | CRT_HOTPLUG_FORCE_DETECT | (1 << 5)); + + do { + if (!(I915_READ(PORT_HOTPLUG_EN) & CRT_HOTPLUG_FORCE_DETECT)) + break; + msleep(1); + } while (time_after(timeout, jiffies)); + + if ((I915_READ(PORT_HOTPLUG_STAT) & CRT_HOTPLUG_MONITOR_MASK) == + CRT_HOTPLUG_MONITOR_COLOR) + return true; + + return false; +} + +static bool intel_crt_detect_ddc(struct drm_output *output) +{ + struct intel_output *intel_output = output->driver_private; + + /* CRT should always be at 0, but check anyway */ + if (intel_output->type != INTEL_OUTPUT_ANALOG) + return false; + + return intel_ddc_probe(output); +} + +static enum drm_output_status intel_crt_detect(struct drm_output *output) +{ + struct drm_device *dev = output->dev; + + if (IS_I945G(dev)| IS_I945GM(dev) || IS_I965G(dev)) { + if (intel_crt_detect_hotplug(output)) + return output_status_connected; + else + return output_status_disconnected; + } + + if (intel_crt_detect_ddc(output)) + return output_status_connected; + + /* TODO use load detect */ + return output_status_unknown; +} + +static void intel_crt_destroy(struct drm_output *output) +{ + struct intel_output *intel_output = output->driver_private; + + intel_i2c_destroy(intel_output->ddc_bus); + kfree(output->driver_private); +} + +static int intel_crt_get_modes(struct drm_output *output) +{ + return intel_ddc_get_modes(output); +} + +/* + * Routines for controlling stuff on the analog port + */ +static const struct drm_output_funcs intel_crt_output_funcs = { + .dpms = intel_crt_dpms, + .save = intel_crt_save, + .restore = intel_crt_restore, + .mode_valid = intel_crt_mode_valid, + .mode_fixup = intel_crt_mode_fixup, + .prepare = intel_output_prepare, + .mode_set = intel_crt_mode_set, + .commit = intel_output_commit, + .detect = intel_crt_detect, + .get_modes = intel_crt_get_modes, + .cleanup = intel_crt_destroy, +}; + +void intel_crt_init(struct drm_device *dev) +{ + struct drm_output *output; + struct intel_output *intel_output; + + output = drm_output_create(dev, &intel_crt_output_funcs, "VGA"); + + intel_output = kmalloc(sizeof(struct intel_output), GFP_KERNEL); + if (!intel_output) { + drm_output_destroy(output); + return; + } + /* Set up the DDC bus. */ + intel_output->ddc_bus = intel_i2c_create(dev, GPIOA, "CRTDDC_A"); + if (!intel_output->ddc_bus) { + dev_printk(KERN_ERR, &dev->pdev->dev, "DDC bus registration " + "failed.\n"); + return; + } + + intel_output->type = INTEL_OUTPUT_ANALOG; + output->driver_private = intel_output; + output->interlace_allowed = 0; + output->doublescan_allowed = 0; +} diff --git a/linux-core/intel_display.c b/linux-core/intel_display.c new file mode 100644 index 00000000..a81cfe69 --- /dev/null +++ b/linux-core/intel_display.c @@ -0,0 +1,1235 @@ +/* + * Copyright © 2006-2007 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Eric Anholt <eric@anholt.net> + */ + +#include <linux/i2c.h> +#include "drmP.h" +#include "intel_drv.h" +#include "i915_drm.h" +#include "i915_drv.h" + +bool intel_pipe_has_type (struct drm_crtc *crtc, int type); + +typedef struct { + /* given values */ + int n; + int m1, m2; + int p1, p2; + /* derived values */ + int dot; + int vco; + int m; + int p; +} intel_clock_t; + +typedef struct { + int min, max; +} intel_range_t; + +typedef struct { + int dot_limit; + int p2_slow, p2_fast; +} intel_p2_t; + +#define INTEL_P2_NUM 2 + +typedef struct { + intel_range_t dot, vco, n, m, m1, m2, p, p1; + intel_p2_t p2; +} intel_limit_t; + +#define I8XX_DOT_MIN 25000 +#define I8XX_DOT_MAX 350000 +#define I8XX_VCO_MIN 930000 +#define I8XX_VCO_MAX 1400000 +#define I8XX_N_MIN 3 +#define I8XX_N_MAX 16 +#define I8XX_M_MIN 96 +#define I8XX_M_MAX 140 +#define I8XX_M1_MIN 18 +#define I8XX_M1_MAX 26 +#define I8XX_M2_MIN 6 +#define I8XX_M2_MAX 16 +#define I8XX_P_MIN 4 +#define I8XX_P_MAX 128 +#define I8XX_P1_MIN 2 +#define I8XX_P1_MAX 33 +#define I8XX_P1_LVDS_MIN 1 +#define I8XX_P1_LVDS_MAX 6 +#define I8XX_P2_SLOW 4 +#define I8XX_P2_FAST 2 +#define I8XX_P2_LVDS_SLOW 14 +#define I8XX_P2_LVDS_FAST 14 /* No fast option */ +#define I8XX_P2_SLOW_LIMIT 165000 + +#define I9XX_DOT_MIN 20000 +#define I9XX_DOT_MAX 400000 +#define I9XX_VCO_MIN 1400000 +#define I9XX_VCO_MAX 2800000 +#define I9XX_N_MIN 3 +#define I9XX_N_MAX 8 +#define I9XX_M_MIN 70 +#define I9XX_M_MAX 120 +#define I9XX_M1_MIN 10 +#define I9XX_M1_MAX 20 +#define I9XX_M2_MIN 5 +#define I9XX_M2_MAX 9 +#define I9XX_P_SDVO_DAC_MIN 5 +#define I9XX_P_SDVO_DAC_MAX 80 +#define I9XX_P_LVDS_MIN 7 +#define I9XX_P_LVDS_MAX 98 +#define I9XX_P1_MIN 1 +#define I9XX_P1_MAX 8 +#define I9XX_P2_SDVO_DAC_SLOW 10 +#define I9XX_P2_SDVO_DAC_FAST 5 +#define I9XX_P2_SDVO_DAC_SLOW_LIMIT 200000 +#define I9XX_P2_LVDS_SLOW 14 +#define I9XX_P2_LVDS_FAST 7 +#define I9XX_P2_LVDS_SLOW_LIMIT 112000 + +#define INTEL_LIMIT_I8XX_DVO_DAC 0 +#define INTEL_LIMIT_I8XX_LVDS 1 +#define INTEL_LIMIT_I9XX_SDVO_DAC 2 +#define INTEL_LIMIT_I9XX_LVDS 3 + +static const intel_limit_t intel_limits[] = { + { /* INTEL_LIMIT_I8XX_DVO_DAC */ + .dot = { .min = I8XX_DOT_MIN, .max = I8XX_DOT_MAX }, + .vco = { .min = I8XX_VCO_MIN, .max = I8XX_VCO_MAX }, + .n = { .min = I8XX_N_MIN, .max = I8XX_N_MAX }, + .m = { .min = I8XX_M_MIN, .max = I8XX_M_MAX }, + .m1 = { .min = I8XX_M1_MIN, .max = I8XX_M1_MAX }, + .m2 = { .min = I8XX_M2_MIN, .max = I8XX_M2_MAX }, + .p = { .min = I8XX_P_MIN, .max = I8XX_P_MAX }, + .p1 = { .min = I8XX_P1_MIN, .max = I8XX_P1_MAX }, + .p2 = { .dot_limit = I8XX_P2_SLOW_LIMIT, + .p2_slow = I8XX_P2_SLOW, .p2_fast = I8XX_P2_FAST }, + }, + { /* INTEL_LIMIT_I8XX_LVDS */ + .dot = { .min = I8XX_DOT_MIN, .max = I8XX_DOT_MAX }, + .vco = { .min = I8XX_VCO_MIN, .max = I8XX_VCO_MAX }, + .n = { .min = I8XX_N_MIN, .max = I8XX_N_MAX }, + .m = { .min = I8XX_M_MIN, .max = I8XX_M_MAX }, + .m1 = { .min = I8XX_M1_MIN, .max = I8XX_M1_MAX }, + .m2 = { .min = I8XX_M2_MIN, .max = I8XX_M2_MAX }, + .p = { .min = I8XX_P_MIN, .max = I8XX_P_MAX }, + .p1 = { .min = I8XX_P1_LVDS_MIN, .max = I8XX_P1_LVDS_MAX }, + .p2 = { .dot_limit = I8XX_P2_SLOW_LIMIT, + .p2_slow = I8XX_P2_LVDS_SLOW, .p2_fast = I8XX_P2_LVDS_FAST }, + }, + { /* INTEL_LIMIT_I9XX_SDVO_DAC */ + .dot = { .min = I9XX_DOT_MIN, .max = I9XX_DOT_MAX }, + .vco = { .min = I9XX_VCO_MIN, .max = I9XX_VCO_MAX }, + .n = { .min = I9XX_N_MIN, .max = I9XX_N_MAX }, + .m = { .min = I9XX_M_MIN, .max = I9XX_M_MAX }, + .m1 = { .min = I9XX_M1_MIN, .max = I9XX_M1_MAX }, + .m2 = { .min = I9XX_M2_MIN, .max = I9XX_M2_MAX }, + .p = { .min = I9XX_P_SDVO_DAC_MIN, .max = I9XX_P_SDVO_DAC_MAX }, + .p1 = { .min = I9XX_P1_MIN, .max = I9XX_P1_MAX }, + .p2 = { .dot_limit = I9XX_P2_SDVO_DAC_SLOW_LIMIT, + .p2_slow = I9XX_P2_SDVO_DAC_SLOW, .p2_fast = I9XX_P2_SDVO_DAC_FAST }, + }, + { /* INTEL_LIMIT_I9XX_LVDS */ + .dot = { .min = I9XX_DOT_MIN, .max = I9XX_DOT_MAX }, + .vco = { .min = I9XX_VCO_MIN, .max = I9XX_VCO_MAX }, + .n = { .min = I9XX_N_MIN, .max = I9XX_N_MAX }, + .m = { .min = I9XX_M_MIN, .max = I9XX_M_MAX }, + .m1 = { .min = I9XX_M1_MIN, .max = I9XX_M1_MAX }, + .m2 = { .min = I9XX_M2_MIN, .max = I9XX_M2_MAX }, + .p = { .min = I9XX_P_LVDS_MIN, .max = I9XX_P_LVDS_MAX }, + .p1 = { .min = I9XX_P1_MIN, .max = I9XX_P1_MAX }, + /* The single-channel range is 25-112Mhz, and dual-channel + * is 80-224Mhz. Prefer single channel as much as possible. + */ + .p2 = { .dot_limit = I9XX_P2_LVDS_SLOW_LIMIT, + .p2_slow = I9XX_P2_LVDS_SLOW, .p2_fast = I9XX_P2_LVDS_FAST }, + }, +}; + +static const intel_limit_t *intel_limit(struct drm_crtc *crtc) +{ + struct drm_device *dev = crtc->dev; + const intel_limit_t *limit; + + if (IS_I9XX(dev)) { + if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) + limit = &intel_limits[INTEL_LIMIT_I9XX_LVDS]; + else + limit = &intel_limits[INTEL_LIMIT_I9XX_SDVO_DAC]; + } else { + if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) + limit = &intel_limits[INTEL_LIMIT_I8XX_LVDS]; + else + limit = &intel_limits[INTEL_LIMIT_I8XX_DVO_DAC]; + } + return limit; +} + +/** Derive the pixel clock for the given refclk and divisors for 8xx chips. */ + +static void i8xx_clock(int refclk, intel_clock_t *clock) +{ + clock->m = 5 * (clock->m1 + 2) + (clock->m2 + 2); + clock->p = clock->p1 * clock->p2; + clock->vco = refclk * clock->m / (clock->n + 2); + clock->dot = clock->vco / clock->p; +} + +/** Derive the pixel clock for the given refclk and divisors for 9xx chips. */ + +static void i9xx_clock(int refclk, intel_clock_t *clock) +{ + clock->m = 5 * (clock->m1 + 2) + (clock->m2 + 2); + clock->p = clock->p1 * clock->p2; + clock->vco = refclk * clock->m / (clock->n + 2); + clock->dot = clock->vco / clock->p; +} + +static void intel_clock(struct drm_device *dev, int refclk, + intel_clock_t *clock) +{ + if (IS_I9XX(dev)) + return i9xx_clock (refclk, clock); + else + return i8xx_clock (refclk, clock); +} + +/** + * Returns whether any output on the specified pipe is of the specified type + */ +bool intel_pipe_has_type (struct drm_crtc *crtc, int type) +{ + struct drm_device *dev = crtc->dev; + struct drm_mode_config *mode_config = &dev->mode_config; + struct drm_output *l_entry; + + list_for_each_entry(l_entry, &mode_config->output_list, head) { + if (l_entry->crtc == crtc) { + struct intel_output *intel_output = l_entry->driver_private; + if (intel_output->type == type) + return true; + } + } + return false; +} + +#define INTELPllInvalid(s) { /* ErrorF (s) */; return false; } +/** + * Returns whether the given set of divisors are valid for a given refclk with + * the given outputs. + */ + +static bool intel_PLL_is_valid(struct drm_crtc *crtc, intel_clock_t *clock) +{ + const intel_limit_t *limit = intel_limit (crtc); + + if (clock->p1 < limit->p1.min || limit->p1.max < clock->p1) + INTELPllInvalid ("p1 out of range\n"); + if (clock->p < limit->p.min || limit->p.max < clock->p) + INTELPllInvalid ("p out of range\n"); + if (clock->m2 < limit->m2.min || limit->m2.max < clock->m2) + INTELPllInvalid ("m2 out of range\n"); + if (clock->m1 < limit->m1.min || limit->m1.max < clock->m1) + INTELPllInvalid ("m1 out of range\n"); + if (clock->m1 <= clock->m2) + INTELPllInvalid ("m1 <= m2\n"); + if (clock->m < limit->m.min || limit->m.max < clock->m) + INTELPllInvalid ("m out of range\n"); + if (clock->n < limit->n.min || limit->n.max < clock->n) + INTELPllInvalid ("n out of range\n"); + if (clock->vco < limit->vco.min || limit->vco.max < clock->vco) + INTELPllInvalid ("vco out of range\n"); + /* XXX: We may need to be checking "Dot clock" depending on the multiplier, + * output, etc., rather than just a single range. + */ + if (clock->dot < limit->dot.min || limit->dot.max < clock->dot) + INTELPllInvalid ("dot out of range\n"); + + return true; +} + +/** + * Returns a set of divisors for the desired target clock with the given + * refclk, or FALSE. The returned values represent the clock equation: + * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2. + */ +static bool intel_find_best_PLL(struct drm_crtc *crtc, int target, + int refclk, intel_clock_t *best_clock) +{ + struct drm_device *dev = crtc->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + intel_clock_t clock; + const intel_limit_t *limit = intel_limit(crtc); + int err = target; + + if (IS_I9XX(dev) && intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) && + (I915_READ(LVDS) & LVDS_PORT_EN) != 0) { + /* + * For LVDS, if the panel is on, just rely on its current + * settings for dual-channel. We haven't figured out how to + * reliably set up different single/dual channel state, if we + * even can. + */ + if ((I915_READ(LVDS) & LVDS_CLKB_POWER_MASK) == + LVDS_CLKB_POWER_UP) + clock.p2 = limit->p2.p2_fast; + else + clock.p2 = limit->p2.p2_slow; + } else { + if (target < limit->p2.dot_limit) + clock.p2 = limit->p2.p2_slow; + else + clock.p2 = limit->p2.p2_fast; + } + + memset (best_clock, 0, sizeof (*best_clock)); + + for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; clock.m1++) { + for (clock.m2 = limit->m2.min; clock.m2 < clock.m1 && + clock.m2 <= limit->m2.max; clock.m2++) { + for (clock.n = limit->n.min; clock.n <= limit->n.max; + clock.n++) { + for (clock.p1 = limit->p1.min; + clock.p1 <= limit->p1.max; clock.p1++) { + int this_err; + + intel_clock(dev, refclk, &clock); + + if (!intel_PLL_is_valid(crtc, &clock)) + continue; + + this_err = abs(clock.dot - target); + if (this_err < err) { + *best_clock = clock; + err = this_err; + } + } + } + } + } + + return (err != target); +} + +void +intel_set_vblank(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_crtc *crtc; + struct intel_crtc *intel_crtc; + int vbl_pipe = 0; + + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + intel_crtc = crtc->driver_private; + + if (crtc->enabled) + vbl_pipe |= (1<<intel_crtc->pipe); + } + + dev_priv->vblank_pipe = vbl_pipe; + i915_enable_interrupt(dev); +} +void +intel_wait_for_vblank(struct drm_device *dev) +{ + /* Wait for 20ms, i.e. one cycle at 50hz. */ + udelay(20000); +} + +void +intel_pipe_set_base(struct drm_crtc *crtc, int x, int y) +{ + struct drm_device *dev = crtc->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = crtc->driver_private; + int pipe = intel_crtc->pipe; + unsigned long Start, Offset; + int dspbase = (pipe == 0 ? DSPABASE : DSPBBASE); + int dspsurf = (pipe == 0 ? DSPASURF : DSPBSURF); + + Start = crtc->fb->offset; + Offset = y * crtc->fb->pitch + x; + + DRM_DEBUG("Writing base %08lX %08lX %d %d\n", Start, Offset, x, y); + if (IS_I965G(dev)) { + I915_WRITE(dspbase, Offset); + I915_READ(dspbase); + I915_WRITE(dspsurf, Start); + I915_READ(dspsurf); + } else { + I915_WRITE(dspbase, Start + Offset); + I915_READ(dspbase); + } + + + if (!dev_priv->sarea_priv) + return; + + switch (pipe) { + case 0: + dev_priv->sarea_priv->planeA_x = x; + dev_priv->sarea_priv->planeA_y = y; + break; + case 1: + dev_priv->sarea_priv->planeB_x = x; + dev_priv->sarea_priv->planeB_y = y; + break; + default: + DRM_ERROR("Can't update pipe %d in SAREA\n", pipe); + break; + } +} + +/** + * Sets the power management mode of the pipe and plane. + * + * This code should probably grow support for turning the cursor off and back + * on appropriately at the same time as we're turning the pipe off/on. + */ +static void intel_crtc_dpms(struct drm_crtc *crtc, int mode) +{ + struct drm_device *dev = crtc->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = crtc->driver_private; + int pipe = intel_crtc->pipe; + int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B; + int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR; + int dspbase_reg = (pipe == 0) ? DSPABASE : DSPBBASE; + int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF; + u32 temp; + bool enabled; + + /* XXX: When our outputs are all unaware of DPMS modes other than off + * and on, we should map those modes to DPMSModeOff in the CRTC. + */ + switch (mode) { + case DPMSModeOn: + case DPMSModeStandby: + case DPMSModeSuspend: + /* Enable the DPLL */ + temp = I915_READ(dpll_reg); + if ((temp & DPLL_VCO_ENABLE) == 0) { + I915_WRITE(dpll_reg, temp); + I915_READ(dpll_reg); + /* Wait for the clocks to stabilize. */ + udelay(150); + I915_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE); + I915_READ(dpll_reg); + /* Wait for the clocks to stabilize. */ + udelay(150); + I915_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE); + I915_READ(dpll_reg); + /* Wait for the clocks to stabilize. */ + udelay(150); + } + + /* Enable the pipe */ + temp = I915_READ(pipeconf_reg); + if ((temp & PIPEACONF_ENABLE) == 0) + I915_WRITE(pipeconf_reg, temp | PIPEACONF_ENABLE); + + /* Enable the plane */ + temp = I915_READ(dspcntr_reg); + if ((temp & DISPLAY_PLANE_ENABLE) == 0) { + I915_WRITE(dspcntr_reg, temp | DISPLAY_PLANE_ENABLE); + /* Flush the plane changes */ + I915_WRITE(dspbase_reg, I915_READ(dspbase_reg)); + } + + intel_crtc_load_lut(crtc); + + /* Give the overlay scaler a chance to enable if it's on this pipe */ + //intel_crtc_dpms_video(crtc, TRUE); TODO + break; + case DPMSModeOff: + /* Give the overlay scaler a chance to disable if it's on this pipe */ + //intel_crtc_dpms_video(crtc, FALSE); TODO + + /* Disable the VGA plane that we never use */ + I915_WRITE(VGACNTRL, VGA_DISP_DISABLE); + + /* Disable display plane */ + temp = I915_READ(dspcntr_reg); + if ((temp & DISPLAY_PLANE_ENABLE) != 0) { + I915_WRITE(dspcntr_reg, temp & ~DISPLAY_PLANE_ENABLE); + /* Flush the plane changes */ + I915_WRITE(dspbase_reg, I915_READ(dspbase_reg)); + I915_READ(dspbase_reg); + } + + if (!IS_I9XX(dev)) { + /* Wait for vblank for the disable to take effect */ + intel_wait_for_vblank(dev); + } + + /* Next, disable display pipes */ + temp = I915_READ(pipeconf_reg); + if ((temp & PIPEACONF_ENABLE) != 0) { + I915_WRITE(pipeconf_reg, temp & ~PIPEACONF_ENABLE); + I915_READ(pipeconf_reg); + } + + /* Wait for vblank for the disable to take effect. */ + intel_wait_for_vblank(dev); + + temp = I915_READ(dpll_reg); + if ((temp & DPLL_VCO_ENABLE) != 0) { + I915_WRITE(dpll_reg, temp & ~DPLL_VCO_ENABLE); + I915_READ(dpll_reg); + } + + /* Wait for the clocks to turn off. */ + udelay(150); + break; + } + + + if (!dev_priv->sarea_priv) + return; + + enabled = crtc->enabled && mode != DPMSModeOff; + + switch (pipe) { + case 0: + dev_priv->sarea_priv->planeA_w = enabled ? crtc->mode.hdisplay : 0; + dev_priv->sarea_priv->planeA_h = enabled ? crtc->mode.vdisplay : 0; + break; + case 1: + dev_priv->sarea_priv->planeB_w = enabled ? crtc->mode.hdisplay : 0; + dev_priv->sarea_priv->planeB_h = enabled ? crtc->mode.vdisplay : 0; + break; + default: + DRM_ERROR("Can't update pipe %d in SAREA\n", pipe); + break; + } +} + +static bool intel_crtc_lock(struct drm_crtc *crtc) +{ + /* Sync the engine before mode switch */ +// i830WaitSync(crtc->scrn); + +#if 0 // TODO def XF86DRI + return I830DRILock(crtc->scrn); +#else + return FALSE; +#endif +} + +static void intel_crtc_unlock (struct drm_crtc *crtc) +{ +#if 0 // TODO def XF86DRI + I830DRIUnlock (crtc->scrn); +#endif +} + +static void intel_crtc_prepare (struct drm_crtc *crtc) +{ + crtc->funcs->dpms(crtc, DPMSModeOff); +} + +static void intel_crtc_commit (struct drm_crtc *crtc) +{ + crtc->funcs->dpms(crtc, DPMSModeOn); +} + +void intel_output_prepare (struct drm_output *output) +{ + /* lvds has its own version of prepare see intel_lvds_prepare */ + output->funcs->dpms(output, DPMSModeOff); +} + +void intel_output_commit (struct drm_output *output) +{ + /* lvds has its own version of commit see intel_lvds_commit */ + output->funcs->dpms(output, DPMSModeOn); +} + +static bool intel_crtc_mode_fixup(struct drm_crtc *crtc, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + return true; +} + + +/** Returns the core display clock speed for i830 - i945 */ +static int intel_get_core_clock_speed(struct drm_device *dev) +{ + + /* Core clock values taken from the published datasheets. + * The 830 may go up to 166 Mhz, which we should check. + */ + if (IS_I945G(dev)) + return 400000; + else if (IS_I915G(dev)) + return 333000; + else if (IS_I945GM(dev) || IS_845G(dev)) + return 200000; + else if (IS_I915GM(dev)) { + u16 gcfgc = 0; + + pci_read_config_word(dev->pdev, I915_GCFGC, &gcfgc); + + if (gcfgc & I915_LOW_FREQUENCY_ENABLE) + return 133000; + else { + switch (gcfgc & I915_DISPLAY_CLOCK_MASK) { + case I915_DISPLAY_CLOCK_333_MHZ: + return 333000; + default: + case I915_DISPLAY_CLOCK_190_200_MHZ: + return 190000; + } + } + } else if (IS_I865G(dev)) + return 266000; + else if (IS_I855(dev)) { +#if 0 + PCITAG bridge = pciTag(0, 0, 0); /* This is always the host bridge */ + u16 hpllcc = pciReadWord(bridge, I855_HPLLCC); + +#endif + u16 hpllcc = 0; + /* Assume that the hardware is in the high speed state. This + * should be the default. + */ + switch (hpllcc & I855_CLOCK_CONTROL_MASK) { + case I855_CLOCK_133_200: + case I855_CLOCK_100_200: + return 200000; + case I855_CLOCK_166_250: + return 250000; + case I855_CLOCK_100_133: + return 133000; + } + } else /* 852, 830 */ + return 133000; + + return 0; /* Silence gcc warning */ +} + + +/** + * Return the pipe currently connected to the panel fitter, + * or -1 if the panel fitter is not present or not in use + */ +static int intel_panel_fitter_pipe (struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + u32 pfit_control; + + /* i830 doesn't have a panel fitter */ + if (IS_I830(dev)) + return -1; + + pfit_control = I915_READ(PFIT_CONTROL); + + /* See if the panel fitter is in use */ + if ((pfit_control & PFIT_ENABLE) == 0) + return -1; + + /* 965 can place panel fitter on either pipe */ + if (IS_I965G(dev)) + return (pfit_control >> 29) & 0x3; + + /* older chips can only use pipe 1 */ + return 1; +} + +static void intel_crtc_mode_set(struct drm_crtc *crtc, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode, + int x, int y) +{ + struct drm_device *dev = crtc->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = crtc->driver_private; + int pipe = intel_crtc->pipe; + int fp_reg = (pipe == 0) ? FPA0 : FPB0; + int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B; + int dpll_md_reg = (intel_crtc->pipe == 0) ? DPLL_A_MD : DPLL_B_MD; + int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR; + int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF; + int htot_reg = (pipe == 0) ? HTOTAL_A : HTOTAL_B; + int hblank_reg = (pipe == 0) ? HBLANK_A : HBLANK_B; + int hsync_reg = (pipe == 0) ? HSYNC_A : HSYNC_B; + int vtot_reg = (pipe == 0) ? VTOTAL_A : VTOTAL_B; + int vblank_reg = (pipe == 0) ? VBLANK_A : VBLANK_B; + int vsync_reg = (pipe == 0) ? VSYNC_A : VSYNC_B; + int dspsize_reg = (pipe == 0) ? DSPASIZE : DSPBSIZE; + int dspstride_reg = (pipe == 0) ? DSPASTRIDE : DSPBSTRIDE; + int dsppos_reg = (pipe == 0) ? DSPAPOS : DSPBPOS; + int pipesrc_reg = (pipe == 0) ? PIPEASRC : PIPEBSRC; + int refclk; + intel_clock_t clock; + u32 dpll = 0, fp = 0, dspcntr, pipeconf; + bool ok, is_sdvo = false, is_dvo = false; + bool is_crt = false, is_lvds = false, is_tv = false; + struct drm_mode_config *mode_config = &dev->mode_config; + struct drm_output *output; + + list_for_each_entry(output, &mode_config->output_list, head) { + struct intel_output *intel_output = output->driver_private; + + if (output->crtc != crtc) + continue; + + switch (intel_output->type) { + case INTEL_OUTPUT_LVDS: + is_lvds = TRUE; + break; + case INTEL_OUTPUT_SDVO: + is_sdvo = TRUE; + break; + case INTEL_OUTPUT_DVO: + is_dvo = TRUE; + break; + case INTEL_OUTPUT_TVOUT: + is_tv = TRUE; + break; + case INTEL_OUTPUT_ANALOG: + is_crt = TRUE; + break; + } + } + + if (IS_I9XX(dev)) { + refclk = 96000; + } else { + refclk = 48000; + } + + ok = intel_find_best_PLL(crtc, adjusted_mode->clock, refclk, &clock); + if (!ok) { + DRM_ERROR("Couldn't find PLL settings for mode!\n"); + return; + } + + fp = clock.n << 16 | clock.m1 << 8 | clock.m2; + + dpll = DPLL_VGA_MODE_DIS; + if (IS_I9XX(dev)) { + if (is_lvds) + dpll |= DPLLB_MODE_LVDS; + else + dpll |= DPLLB_MODE_DAC_SERIAL; + if (is_sdvo) { + dpll |= DPLL_DVO_HIGH_SPEED; + if (IS_I945G(dev) || IS_I945GM(dev)) { + int sdvo_pixel_multiply = adjusted_mode->clock / mode->clock; + dpll |= (sdvo_pixel_multiply - 1) << SDVO_MULTIPLIER_SHIFT_HIRES; + } + } + + /* compute bitmask from p1 value */ + dpll |= (1 << (clock.p1 - 1)) << 16; + switch (clock.p2) { + case 5: + dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; + break; + case 7: + dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7; + break; + case 10: + dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10; + break; + case 14: + dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; + break; + } + if (IS_I965G(dev)) + dpll |= (6 << PLL_LOAD_PULSE_PHASE_SHIFT); + } else { + if (is_lvds) { + dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; + } else { + if (clock.p1 == 2) + dpll |= PLL_P1_DIVIDE_BY_TWO; + else + dpll |= (clock.p1 - 2) << DPLL_FPA01_P1_POST_DIV_SHIFT; + if (clock.p2 == 4) + dpll |= PLL_P2_DIVIDE_BY_4; + } + } + + if (is_tv) { + /* XXX: just matching BIOS for now */ +/* dpll |= PLL_REF_INPUT_TVCLKINBC; */ + dpll |= 3; + } +#if 0 + else if (is_lvds) + dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; +#endif + else + dpll |= PLL_REF_INPUT_DREFCLK; + + /* setup pipeconf */ + pipeconf = I915_READ(pipeconf_reg); + + /* Set up the display plane register */ + dspcntr = DISPPLANE_GAMMA_ENABLE; + + switch (crtc->fb->bits_per_pixel) { + case 8: + dspcntr |= DISPPLANE_8BPP; + break; + case 16: + if (crtc->fb->depth == 15) + dspcntr |= DISPPLANE_15_16BPP; + else + dspcntr |= DISPPLANE_16BPP; + break; + case 32: + dspcntr |= DISPPLANE_32BPP_NO_ALPHA; + break; + default: + DRM_ERROR("Unknown color depth\n"); + return; + } + + + if (pipe == 0) + dspcntr |= DISPPLANE_SEL_PIPE_A; + else + dspcntr |= DISPPLANE_SEL_PIPE_B; + + if (pipe == 0 && !IS_I965G(dev)) { + /* Enable pixel doubling when the dot clock is > 90% of the (display) + * core speed. + * + * XXX: No double-wide on 915GM pipe B. Is that the only reason for the + * pipe == 0 check? + */ + if (mode->clock > intel_get_core_clock_speed(dev) * 9 / 10) + pipeconf |= PIPEACONF_DOUBLE_WIDE; + else + pipeconf &= ~PIPEACONF_DOUBLE_WIDE; + } + + dspcntr |= DISPLAY_PLANE_ENABLE; + pipeconf |= PIPEACONF_ENABLE; + dpll |= DPLL_VCO_ENABLE; + + + /* Disable the panel fitter if it was on our pipe */ + if (intel_panel_fitter_pipe(dev) == pipe) + I915_WRITE(PFIT_CONTROL, 0); + + DRM_DEBUG("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B'); + drm_mode_debug_printmodeline(dev, mode); + +#if 0 + if (!xf86ModesEqual(mode, adjusted_mode)) { + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "Adjusted mode for pipe %c:\n", pipe == 0 ? 'A' : 'B'); + xf86PrintModeline(pScrn->scrnIndex, mode); + } + i830PrintPll("chosen", &clock); +#endif + + if (dpll & DPLL_VCO_ENABLE) { + I915_WRITE(fp_reg, fp); + I915_WRITE(dpll_reg, dpll & ~DPLL_VCO_ENABLE); + I915_READ(dpll_reg); + udelay(150); + } + + /* The LVDS pin pair needs to be on before the DPLLs are enabled. + * This is an exception to the general rule that mode_set doesn't turn + * things on. + */ + if (is_lvds) { + u32 lvds = I915_READ(LVDS); + + lvds |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP | LVDS_PIPEB_SELECT; + /* Set the B0-B3 data pairs corresponding to whether we're going to + * set the DPLLs for dual-channel mode or not. + */ + if (clock.p2 == 7) + lvds |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP; + else + lvds &= ~(LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP); + + /* It would be nice to set 24 vs 18-bit mode (LVDS_A3_POWER_UP) + * appropriately here, but we need to look more thoroughly into how + * panels behave in the two modes. + */ + + I915_WRITE(LVDS, lvds); + I915_READ(LVDS); + } + + I915_WRITE(fp_reg, fp); + I915_WRITE(dpll_reg, dpll); + I915_READ(dpll_reg); + /* Wait for the clocks to stabilize. */ + udelay(150); + + if (IS_I965G(dev)) { + int sdvo_pixel_multiply = adjusted_mode->clock / mode->clock; + I915_WRITE(dpll_md_reg, (0 << DPLL_MD_UDI_DIVIDER_SHIFT) | + ((sdvo_pixel_multiply - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT)); + } else { + /* write it again -- the BIOS does, after all */ + I915_WRITE(dpll_reg, dpll); + } + I915_READ(dpll_reg); + /* Wait for the clocks to stabilize. */ + udelay(150); + + I915_WRITE(htot_reg, (adjusted_mode->crtc_hdisplay - 1) | + ((adjusted_mode->crtc_htotal - 1) << 16)); + I915_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) | + ((adjusted_mode->crtc_hblank_end - 1) << 16)); + I915_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) | + ((adjusted_mode->crtc_hsync_end - 1) << 16)); + I915_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) | + ((adjusted_mode->crtc_vtotal - 1) << 16)); + I915_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) | + ((adjusted_mode->crtc_vblank_end - 1) << 16)); + I915_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) | + ((adjusted_mode->crtc_vsync_end - 1) << 16)); + I915_WRITE(dspstride_reg, crtc->fb->pitch); + /* pipesrc and dspsize control the size that is scaled from, which should + * always be the user's requested size. + */ + I915_WRITE(dspsize_reg, ((mode->vdisplay - 1) << 16) | (mode->hdisplay - 1)); + I915_WRITE(dsppos_reg, 0); + I915_WRITE(pipesrc_reg, ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1)); + I915_WRITE(pipeconf_reg, pipeconf); + I915_READ(pipeconf_reg); + + intel_wait_for_vblank(dev); + + I915_WRITE(dspcntr_reg, dspcntr); + + /* Flush the plane changes */ + intel_pipe_set_base(crtc, x, y); + + intel_set_vblank(dev); + + intel_wait_for_vblank(dev); +} + +/** Loads the palette/gamma unit for the CRTC with the prepared values */ +void intel_crtc_load_lut(struct drm_crtc *crtc) +{ + struct drm_device *dev = crtc->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = crtc->driver_private; + int palreg = (intel_crtc->pipe == 0) ? PALETTE_A : PALETTE_B; + int i; + + /* The clocks have to be on to load the palette. */ + if (!crtc->enabled) + return; + + for (i = 0; i < 256; i++) { + I915_WRITE(palreg + 4 * i, + (intel_crtc->lut_r[i] << 16) | + (intel_crtc->lut_g[i] << 8) | + intel_crtc->lut_b[i]); + } +} + +/** Sets the color ramps on behalf of RandR */ +static void intel_crtc_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, + u16 blue, int regno) +{ + struct intel_crtc *intel_crtc = crtc->driver_private; + + intel_crtc->lut_r[regno] = red >> 8; + intel_crtc->lut_g[regno] = green >> 8; + intel_crtc->lut_b[regno] = blue >> 8; +} + +/* Returns the clock of the currently programmed mode of the given pipe. */ +static int intel_crtc_clock_get(struct drm_device *dev, struct drm_crtc *crtc) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = crtc->driver_private; + int pipe = intel_crtc->pipe; + u32 dpll = I915_READ((pipe == 0) ? DPLL_A : DPLL_B); + u32 fp; + intel_clock_t clock; + + if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0) + fp = I915_READ((pipe == 0) ? FPA0 : FPB0); + else + fp = I915_READ((pipe == 0) ? FPA1 : FPB1); + + clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT; + clock.m2 = (fp & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT; + clock.n = (fp & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT; + if (IS_I9XX(dev)) { + clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK) >> + DPLL_FPA01_P1_POST_DIV_SHIFT); + + switch (dpll & DPLL_MODE_MASK) { + case DPLLB_MODE_DAC_SERIAL: + clock.p2 = dpll & DPLL_DAC_SERIAL_P2_CLOCK_DIV_5 ? + 5 : 10; + break; + case DPLLB_MODE_LVDS: + clock.p2 = dpll & DPLLB_LVDS_P2_CLOCK_DIV_7 ? + 7 : 14; + break; + default: + DRM_DEBUG("Unknown DPLL mode %08x in programmed " + "mode\n", (int)(dpll & DPLL_MODE_MASK)); + return 0; + } + + /* XXX: Handle the 100Mhz refclk */ + i9xx_clock(96000, &clock); + } else { + bool is_lvds = (pipe == 1) && (I915_READ(LVDS) & LVDS_PORT_EN); + + if (is_lvds) { + clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >> + DPLL_FPA01_P1_POST_DIV_SHIFT); + clock.p2 = 14; + + if ((dpll & PLL_REF_INPUT_MASK) == + PLLB_REF_INPUT_SPREADSPECTRUMIN) { + /* XXX: might not be 66MHz */ + i8xx_clock(66000, &clock); + } else + i8xx_clock(48000, &clock); + } else { + if (dpll & PLL_P1_DIVIDE_BY_TWO) + clock.p1 = 2; + else { + clock.p1 = ((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830) >> + DPLL_FPA01_P1_POST_DIV_SHIFT) + 2; + } + if (dpll & PLL_P2_DIVIDE_BY_4) + clock.p2 = 4; + else + clock.p2 = 2; + + i8xx_clock(48000, &clock); + } + } + + /* XXX: It would be nice to validate the clocks, but we can't reuse + * i830PllIsValid() because it relies on the xf86_config output + * configuration being accurate, which it isn't necessarily. + */ + + return clock.dot; +} + +/** Returns the currently programmed mode of the given pipe. */ +struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev, + struct drm_crtc *crtc) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = crtc->driver_private; + int pipe = intel_crtc->pipe; + struct drm_display_mode *mode; + int htot = I915_READ((pipe == 0) ? HTOTAL_A : HTOTAL_B); + int hsync = I915_READ((pipe == 0) ? HSYNC_A : HSYNC_B); + int vtot = I915_READ((pipe == 0) ? VTOTAL_A : VTOTAL_B); + int vsync = I915_READ((pipe == 0) ? VSYNC_A : VSYNC_B); + + mode = kzalloc(sizeof(*mode), GFP_KERNEL); + if (!mode) + return NULL; + + mode->clock = intel_crtc_clock_get(dev, crtc); + mode->hdisplay = (htot & 0xffff) + 1; + mode->htotal = ((htot & 0xffff0000) >> 16) + 1; + mode->hsync_start = (hsync & 0xffff) + 1; + mode->hsync_end = ((hsync & 0xffff0000) >> 16) + 1; + mode->vdisplay = (vtot & 0xffff) + 1; + mode->vtotal = ((vtot & 0xffff0000) >> 16) + 1; + mode->vsync_start = (vsync & 0xffff) + 1; + mode->vsync_end = ((vsync & 0xffff0000) >> 16) + 1; + + drm_mode_set_name(mode); + drm_mode_set_crtcinfo(mode, 0); + + return mode; +} + +static const struct drm_crtc_funcs intel_crtc_funcs = { + .dpms = intel_crtc_dpms, + .lock = intel_crtc_lock, + .unlock = intel_crtc_unlock, + .mode_fixup = intel_crtc_mode_fixup, + .mode_set = intel_crtc_mode_set, + .gamma_set = intel_crtc_gamma_set, + .prepare = intel_crtc_prepare, + .commit = intel_crtc_commit, +}; + + +void intel_crtc_init(struct drm_device *dev, int pipe) +{ + struct drm_crtc *crtc; + struct intel_crtc *intel_crtc; + int i; + + crtc = drm_crtc_create(dev, &intel_crtc_funcs); + if (crtc == NULL) + return; + + intel_crtc = kzalloc(sizeof(struct intel_crtc), GFP_KERNEL); + if (intel_crtc == NULL) { + kfree(crtc); + return; + } + + intel_crtc->pipe = pipe; + for (i = 0; i < 256; i++) { + intel_crtc->lut_r[i] = i; + intel_crtc->lut_g[i] = i; + intel_crtc->lut_b[i] = i; + } + + crtc->driver_private = intel_crtc; +} + +struct drm_crtc *intel_get_crtc_from_pipe(struct drm_device *dev, int pipe) +{ + struct drm_crtc *crtc = NULL; + + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + struct intel_crtc *intel_crtc = crtc->driver_private; + if (intel_crtc->pipe == pipe) + break; + } + return crtc; +} + +int intel_output_clones(struct drm_device *dev, int type_mask) +{ + int index_mask = 0; + struct drm_output *output; + int entry = 0; + + list_for_each_entry(output, &dev->mode_config.output_list, head) { + struct intel_output *intel_output = output->driver_private; + if (type_mask & (1 << intel_output->type)) + index_mask |= (1 << entry); + entry++; + } + return index_mask; +} + + +static void intel_setup_outputs(struct drm_device *dev) +{ + struct drm_output *output; + + intel_crt_init(dev); + + /* Set up integrated LVDS */ + if (IS_MOBILE(dev) && !IS_I830(dev)) + intel_lvds_init(dev); + + if (IS_I9XX(dev)) { + intel_sdvo_init(dev, SDVOB); + intel_sdvo_init(dev, SDVOC); + } + + list_for_each_entry(output, &dev->mode_config.output_list, head) { + struct intel_output *intel_output = output->driver_private; + int crtc_mask = 0, clone_mask = 0; + + /* valid crtcs */ + switch(intel_output->type) { + case INTEL_OUTPUT_DVO: + case INTEL_OUTPUT_SDVO: + crtc_mask = ((1 << 0)| + (1 << 1)); + clone_mask = ((1 << INTEL_OUTPUT_ANALOG) | + (1 << INTEL_OUTPUT_DVO) | + (1 << INTEL_OUTPUT_SDVO)); + break; + case INTEL_OUTPUT_ANALOG: + crtc_mask = ((1 << 0)| + (1 << 1)); + clone_mask = ((1 << INTEL_OUTPUT_ANALOG) | + (1 << INTEL_OUTPUT_DVO) | + (1 << INTEL_OUTPUT_SDVO)); + break; + case INTEL_OUTPUT_LVDS: + crtc_mask = (1 << 1); + clone_mask = (1 << INTEL_OUTPUT_LVDS); + break; + case INTEL_OUTPUT_TVOUT: + crtc_mask = ((1 << 0) | + (1 << 1)); + clone_mask = (1 << INTEL_OUTPUT_TVOUT); + break; + } + output->possible_crtcs = crtc_mask; + output->possible_clones = intel_output_clones(dev, clone_mask); + } +} + +void intel_modeset_init(struct drm_device *dev) +{ + int num_pipe; + int i; + + drm_mode_config_init(dev); + + dev->mode_config.min_width = 0; + dev->mode_config.min_height = 0; + + dev->mode_config.max_width = 4096; + dev->mode_config.max_height = 4096; + + /* set memory base */ + if (IS_I9XX(dev)) + dev->mode_config.fb_base = pci_resource_start(dev->pdev, 2); + else + dev->mode_config.fb_base = pci_resource_start(dev->pdev, 0); + + if (IS_MOBILE(dev) || IS_I9XX(dev)) + num_pipe = 2; + else + num_pipe = 1; + DRM_DEBUG("%d display pipe%s available.\n", + num_pipe, num_pipe > 1 ? "s" : ""); + + for (i = 0; i < num_pipe; i++) { + intel_crtc_init(dev, i); + } + + intel_setup_outputs(dev); + + //drm_initial_config(dev, false); +} + +void intel_modeset_cleanup(struct drm_device *dev) +{ + drm_mode_config_cleanup(dev); +} diff --git a/linux-core/intel_drv.h b/linux-core/intel_drv.h new file mode 100644 index 00000000..7de4b924 --- /dev/null +++ b/linux-core/intel_drv.h @@ -0,0 +1,82 @@ +/* + * Copyright (c) 2006 Dave Airlie <airlied@linux.ie> + * Copyright (c) 2007 Intel Corporation + * Jesse Barnes <jesse.barnes@intel.com> + */ +#ifndef __INTEL_DRV_H__ +#define __INTEL_DRV_H__ + +#include <linux/i2c.h> +#include <linux/i2c-id.h> +#include <linux/i2c-algo-bit.h> +#include "drm_crtc.h" + +/* + * Display related stuff + */ + +/* store information about an Ixxx DVO */ +/* The i830->i865 use multiple DVOs with multiple i2cs */ +/* the i915, i945 have a single sDVO i2c bus - which is different */ +#define MAX_OUTPUTS 6 + +#define INTEL_I2C_BUS_DVO 1 +#define INTEL_I2C_BUS_SDVO 2 + +/* these are outputs from the chip - integrated only + external chips are via DVO or SDVO output */ +#define INTEL_OUTPUT_UNUSED 0 +#define INTEL_OUTPUT_ANALOG 1 +#define INTEL_OUTPUT_DVO 2 +#define INTEL_OUTPUT_SDVO 3 +#define INTEL_OUTPUT_LVDS 4 +#define INTEL_OUTPUT_TVOUT 5 + +#define INTEL_DVO_CHIP_NONE 0 +#define INTEL_DVO_CHIP_LVDS 1 +#define INTEL_DVO_CHIP_TMDS 2 +#define INTEL_DVO_CHIP_TVOUT 4 + +struct intel_i2c_chan { + struct drm_device *drm_dev; /* for getting at dev. private (mmio etc.) */ + u32 reg; /* GPIO reg */ + struct i2c_adapter adapter; + struct i2c_algo_bit_data algo; + u8 slave_addr; +}; + +struct intel_output { + int type; + struct intel_i2c_chan *i2c_bus; /* for control functions */ + struct intel_i2c_chan *ddc_bus; /* for DDC only stuff */ + bool load_detect_tmp; + void *dev_priv; +}; + +struct intel_crtc { + int pipe; + u8 lut_r[256], lut_g[256], lut_b[256]; +}; + +struct intel_i2c_chan *intel_i2c_create(struct drm_device *dev, const u32 reg, + const char *name); +void intel_i2c_destroy(struct intel_i2c_chan *chan); +int intel_ddc_get_modes(struct drm_output *output); +extern bool intel_ddc_probe(struct drm_output *output); + +extern void intel_crt_init(struct drm_device *dev); +extern void intel_sdvo_init(struct drm_device *dev, int output_device); +extern void intel_lvds_init(struct drm_device *dev); + +extern void intel_crtc_load_lut(struct drm_crtc *crtc); +extern void intel_output_prepare (struct drm_output *output); +extern void intel_output_commit (struct drm_output *output); +extern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev, + struct drm_crtc *crtc); +extern void intel_wait_for_vblank(struct drm_device *dev); +extern struct drm_crtc *intel_get_crtc_from_pipe(struct drm_device *dev, int pipe); + +extern int intelfb_probe(struct drm_device *dev, struct drm_crtc *crtc); +extern int intelfb_remove(struct drm_device *dev, struct drm_crtc *crtc); + +#endif /* __INTEL_DRV_H__ */ diff --git a/linux-core/intel_fb.c b/linux-core/intel_fb.c new file mode 100644 index 00000000..564a913e --- /dev/null +++ b/linux-core/intel_fb.c @@ -0,0 +1,659 @@ +/* + * Copyright © 2007 David Airlie + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * David Airlie + */ + /* + * Modularization + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/mm.h> +#include <linux/tty.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include <linux/fb.h> +#include <linux/init.h> + +#include "drmP.h" +#include "drm.h" +#include "drm_crtc.h" +#include "i915_drm.h" +#include "i915_drv.h" + +struct intelfb_par { + struct drm_device *dev; + struct drm_crtc *crtc; +}; + +static int +var_to_refresh(const struct fb_var_screeninfo *var) +{ + int xtot = var->xres + var->left_margin + var->right_margin + + var->hsync_len; + int ytot = var->yres + var->upper_margin + var->lower_margin + + var->vsync_len; + + return (1000000000 / var->pixclock * 1000 + 500) / xtot / ytot; +} + +static int intelfb_setcolreg(unsigned regno, unsigned red, unsigned green, + unsigned blue, unsigned transp, + struct fb_info *info) +{ + struct intelfb_par *par = info->par; + struct drm_framebuffer *fb = par->crtc->fb; + struct drm_crtc *crtc = par->crtc; + + if (regno > 255) + return 1; + + if (fb->depth == 8) { + if (crtc->funcs->gamma_set) + crtc->funcs->gamma_set(crtc, red, green, blue, regno); + return 0; + } + + if (regno < 16) { + switch (fb->depth) { + case 15: + fb->pseudo_palette[regno] = ((red & 0xf800) >> 1) | + ((green & 0xf800) >> 6) | + ((blue & 0xf800) >> 11); + break; + case 16: + fb->pseudo_palette[regno] = (red & 0xf800) | + ((green & 0xfc00) >> 5) | + ((blue & 0xf800) >> 11); + break; + case 24: + case 32: + fb->pseudo_palette[regno] = ((red & 0xff00) << 8) | + (green & 0xff00) | + ((blue & 0xff00) >> 8); + break; + } + } + + return 0; +} + +static int intelfb_check_var(struct fb_var_screeninfo *var, + struct fb_info *info) +{ + struct intelfb_par *par = info->par; + struct drm_device *dev = par->dev; + struct drm_framebuffer *fb = par->crtc->fb; + struct drm_display_mode *drm_mode; + struct drm_output *output; + int depth, found = 0; + + if (!var->pixclock) + return -EINVAL; + + /* Need to resize the fb object !!! */ + if (var->xres > fb->width || var->yres > fb->height) { + DRM_ERROR("Requested width/height is greater than current fb object %dx%d > %dx%d\n",var->xres,var->yres,fb->width,fb->height); + DRM_ERROR("Need resizing code.\n"); + return -EINVAL; + } + + switch (var->bits_per_pixel) { + case 16: + depth = (var->green.length == 6) ? 16 : 15; + break; + case 32: + depth = (var->transp.length > 0) ? 32 : 24; + break; + default: + depth = var->bits_per_pixel; + break; + } + + switch (depth) { + case 8: + var->red.offset = 0; + var->green.offset = 0; + var->blue.offset = 0; + var->red.length = 8; + var->green.length = 8; + var->blue.length = 8; + var->transp.length = 0; + var->transp.offset = 0; + break; + case 15: + var->red.offset = 10; + var->green.offset = 5; + var->blue.offset = 0; + var->red.length = 5; + var->green.length = 5; + var->blue.length = 5; + var->transp.length = 1; + var->transp.offset = 15; + break; + case 16: + var->red.offset = 11; + var->green.offset = 6; + var->blue.offset = 0; + var->red.length = 5; + var->green.length = 6; + var->blue.length = 5; + var->transp.length = 0; + var->transp.offset = 0; + break; + case 24: + var->red.offset = 16; + var->green.offset = 8; + var->blue.offset = 0; + var->red.length = 8; + var->green.length = 8; + var->blue.length = 8; + var->transp.length = 0; + var->transp.offset = 0; + break; + case 32: + var->red.offset = 16; + var->green.offset = 8; + var->blue.offset = 0; + var->red.length = 8; + var->green.length = 8; + var->blue.length = 8; + var->transp.length = 8; + var->transp.offset = 24; + break; + default: + return -EINVAL; + } + +#if 0 + /* Here we walk the output mode list and look for modes. If we haven't + * got it, then bail. Not very nice, so this is disabled. + * In the set_par code, we create our mode based on the incoming + * parameters. Nicer, but may not be desired by some. + */ + list_for_each_entry(output, &dev->mode_config.output_list, head) { + if (output->crtc == par->crtc) + break; + } + + list_for_each_entry(drm_mode, &output->modes, head) { + if (drm_mode->hdisplay == var->xres && + drm_mode->vdisplay == var->yres && + (((PICOS2KHZ(var->pixclock))/1000) >= ((drm_mode->clock/1000)-1)) && + (((PICOS2KHZ(var->pixclock))/1000) <= ((drm_mode->clock/1000)+1))) { + found = 1; + break; + } + } + + if (!found) + return -EINVAL; +#endif + + return 0; +} + +/* this will let fbcon do the mode init */ +/* FIXME: take mode config lock? */ +static int intelfb_set_par(struct fb_info *info) +{ + struct intelfb_par *par = info->par; + struct drm_framebuffer *fb = par->crtc->fb; + struct drm_device *dev = par->dev; + struct drm_display_mode *drm_mode; + struct drm_output *output; + struct fb_var_screeninfo *var = &info->var; + int found = 0; + + switch (var->bits_per_pixel) { + case 16: + fb->depth = (var->green.length == 6) ? 16 : 15; + break; + case 32: + fb->depth = (var->transp.length > 0) ? 32 : 24; + break; + default: + fb->depth = var->bits_per_pixel; + break; + } + + fb->bits_per_pixel = var->bits_per_pixel; + + info->fix.line_length = fb->pitch; + info->fix.smem_len = info->fix.line_length * fb->height; + info->fix.visual = (fb->depth == 8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR; + + info->screen_size = info->fix.smem_len; /* ??? */ + + /* Should we walk the output's modelist or just create our own ??? + * For now, we create and destroy a mode based on the incoming + * parameters. But there's commented out code below which scans + * the output list too. + */ +#if 0 + list_for_each_entry(output, &dev->mode_config.output_list, head) { + if (output->crtc == par->crtc) + break; + } + + list_for_each_entry(drm_mode, &output->modes, head) { + if (drm_mode->hdisplay == var->xres && + drm_mode->vdisplay == var->yres && + (((PICOS2KHZ(var->pixclock))/1000) >= ((drm_mode->clock/1000)-1)) && + (((PICOS2KHZ(var->pixclock))/1000) <= ((drm_mode->clock/1000)+1))) { + found = 1; + break; + } + } + + if (!found) { + DRM_ERROR("Couldn't find a mode for requested %dx%d-%d\n", + var->xres,var->yres,var_to_refresh(var)); + return -EINVAL; + } +#else + drm_mode = drm_mode_create(dev); + drm_mode->hdisplay = var->xres; + drm_mode->hsync_start = drm_mode->hdisplay + var->right_margin; + drm_mode->hsync_end = drm_mode->hsync_start + var->hsync_len; + drm_mode->htotal = drm_mode->hsync_end + var->left_margin; + drm_mode->vdisplay = var->yres; + drm_mode->vsync_start = drm_mode->vdisplay + var->lower_margin; + drm_mode->vsync_end = drm_mode->vsync_start + var->vsync_len; + drm_mode->vtotal = drm_mode->vsync_end + var->upper_margin; + drm_mode->clock = PICOS2KHZ(var->pixclock); + drm_mode->vrefresh = drm_mode_vrefresh(drm_mode); + drm_mode_set_name(drm_mode); + drm_mode_set_crtcinfo(drm_mode, CRTC_INTERLACE_HALVE_V); +#endif + + drm_mode_debug_printmodeline(dev, drm_mode); + + if (!drm_crtc_set_mode(par->crtc, drm_mode, 0, 0)) + return -EINVAL; + + /* Have to destroy our created mode if we're not searching the mode + * list for it. + */ +#if 1 + drm_mode_destroy(dev, drm_mode); +#endif + + return 0; +} + +#if 0 +static void intelfb_copyarea(struct fb_info *info, + const struct fb_copyarea *region) +{ + struct intelfb_par *par = info->par; + struct drm_device *dev = par->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + u32 src_x1, src_y1, dst_x1, dst_y1, dst_x2, dst_y2, offset; + u32 cmd, rop_depth_pitch, src_pitch; + RING_LOCALS; + + cmd = XY_SRC_COPY_BLT_CMD; + src_x1 = region->sx; + src_y1 = region->sy; + dst_x1 = region->dx; + dst_y1 = region->dy; + dst_x2 = region->dx + region->width; + dst_y2 = region->dy + region->height; + offset = par->fb->offset; + rop_depth_pitch = BLT_ROP_GXCOPY | par->fb->pitch; + src_pitch = par->fb->pitch; + + switch (par->fb->bits_per_pixel) { + case 16: + rop_depth_pitch |= BLT_DEPTH_16_565; + break; + case 32: + rop_depth_pitch |= BLT_DEPTH_32; + cmd |= XY_SRC_COPY_BLT_WRITE_ALPHA | XY_SRC_COPY_BLT_WRITE_RGB; + break; + } + + BEGIN_LP_RING(8); + OUT_RING(cmd); + OUT_RING(rop_depth_pitch); + OUT_RING((dst_y1 << 16) | (dst_x1 & 0xffff)); + OUT_RING((dst_y2 << 16) | (dst_x2 & 0xffff)); + OUT_RING(offset); + OUT_RING((src_y1 << 16) | (src_x1 & 0xffff)); + OUT_RING(src_pitch); + OUT_RING(offset); + ADVANCE_LP_RING(); +} + +#define ROUND_UP_TO(x, y) (((x) + (y) - 1) / (y) * (y)) +#define ROUND_DOWN_TO(x, y) ((x) / (y) * (y)) + +void intelfb_imageblit(struct fb_info *info, const struct fb_image *image) +{ + struct intelfb_par *par = info->par; + struct drm_device *dev = par->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + u32 cmd, rop_pitch_depth, tmp; + int nbytes, ndwords, pad; + u32 dst_x1, dst_y1, dst_x2, dst_y2, offset, bg, fg; + int dat, ix, iy, iw; + int i, j; + RING_LOCALS; + + /* size in bytes of a padded scanline */ + nbytes = ROUND_UP_TO(image->width, 16) / 8; + + /* Total bytes of padded scanline data to write out. */ + nbytes *= image->height; + + /* + * Check if the glyph data exceeds the immediate mode limit. + * It would take a large font (1K pixels) to hit this limit. + */ + if (nbytes > 128 || image->depth != 1) + return cfb_imageblit(info, image); + + /* Src data is packaged a dword (32-bit) at a time. */ + ndwords = ROUND_UP_TO(nbytes, 4) / 4; + + /* + * Ring has to be padded to a quad word. But because the command starts + with 7 bytes, pad only if there is an even number of ndwords + */ + pad = !(ndwords % 2); + + DRM_DEBUG("imageblit %dx%dx%d to (%d,%d)\n", image->width, + image->height, image->depth, image->dx, image->dy); + DRM_DEBUG("nbytes: %d, ndwords: %d, pad: %d\n", nbytes, ndwords, pad); + + tmp = (XY_MONO_SRC_COPY_IMM_BLT & 0xff) + ndwords; + cmd = (XY_MONO_SRC_COPY_IMM_BLT & ~0xff) | tmp; + offset = par->fb->offset; + dst_x1 = image->dx; + dst_y1 = image->dy; + dst_x2 = image->dx + image->width; + dst_y2 = image->dy + image->height; + rop_pitch_depth = BLT_ROP_GXCOPY | par->fb->pitch; + + switch (par->fb->bits_per_pixel) { + case 8: + rop_pitch_depth |= BLT_DEPTH_8; + fg = image->fg_color; + bg = image->bg_color; + break; + case 16: + rop_pitch_depth |= BLT_DEPTH_16_565; + fg = par->fb->pseudo_palette[image->fg_color]; + bg = par->fb->pseudo_palette[image->bg_color]; + break; + case 32: + rop_pitch_depth |= BLT_DEPTH_32; + cmd |= XY_SRC_COPY_BLT_WRITE_ALPHA | XY_SRC_COPY_BLT_WRITE_RGB; + fg = par->fb->pseudo_palette[image->fg_color]; + bg = par->fb->pseudo_palette[image->bg_color]; + break; + default: + DRM_ERROR("unknown depth %d\n", par->fb->bits_per_pixel); + break; + } + + BEGIN_LP_RING(8 + ndwords); + OUT_RING(cmd); + OUT_RING(rop_pitch_depth); + OUT_RING((dst_y1 << 16) | (dst_x1 & 0xffff)); + OUT_RING((dst_y2 << 16) | (dst_x2 & 0xffff)); + OUT_RING(offset); + OUT_RING(bg); + OUT_RING(fg); + ix = iy = 0; + iw = ROUND_UP_TO(image->width, 8) / 8; + while (ndwords--) { + dat = 0; + for (j = 0; j < 2; ++j) { + for (i = 0; i < 2; ++i) { + if (ix != iw || i == 0) + dat |= image->data[iy*iw + ix++] << (i+j*2)*8; + } + if (ix == iw && iy != (image->height - 1)) { + ix = 0; + ++iy; + } + } + OUT_RING(dat); + } + if (pad) + OUT_RING(MI_NOOP); + ADVANCE_LP_RING(); +} +#endif + +static struct fb_ops intelfb_ops = { + .owner = THIS_MODULE, + // .fb_open = intelfb_open, + // .fb_read = intelfb_read, + // .fb_write = intelfb_write, + // .fb_release = intelfb_release, + // .fb_ioctl = intelfb_ioctl, + .fb_check_var = intelfb_check_var, + .fb_set_par = intelfb_set_par, + .fb_setcolreg = intelfb_setcolreg, + .fb_fillrect = cfb_fillrect, + .fb_copyarea = cfb_copyarea, //intelfb_copyarea, + .fb_imageblit = cfb_imageblit, //intelfb_imageblit, +}; + +int intelfb_probe(struct drm_device *dev, struct drm_crtc *crtc) +{ + struct fb_info *info; + struct intelfb_par *par; + struct device *device = &dev->pdev->dev; + struct drm_framebuffer *fb; + struct drm_display_mode *mode = crtc->desired_mode; + struct drm_buffer_object *fbo = NULL; + int ret; + + info = framebuffer_alloc(sizeof(struct intelfb_par), device); + if (!info){ + return -EINVAL; + } + + fb = drm_framebuffer_create(dev); + if (!fb) { + framebuffer_release(info); + DRM_ERROR("failed to allocate fb.\n"); + return -EINVAL; + } + crtc->fb = fb; + + fb->width = crtc->desired_mode->hdisplay; + fb->height = crtc->desired_mode->vdisplay; + + fb->bits_per_pixel = 32; + fb->pitch = fb->width * ((fb->bits_per_pixel + 1) / 8); + fb->depth = 24; + ret = drm_buffer_object_create(dev, fb->width * fb->height * 4, + drm_bo_type_kernel, + DRM_BO_FLAG_READ | + DRM_BO_FLAG_WRITE | + DRM_BO_FLAG_MEM_TT | + DRM_BO_FLAG_MEM_VRAM | + DRM_BO_FLAG_NO_EVICT, + DRM_BO_HINT_DONT_FENCE, 0, 0, + &fbo); + if (ret || !fbo) { + printk(KERN_ERR "failed to allocate framebuffer\n"); + drm_framebuffer_destroy(fb); + framebuffer_release(info); + return -EINVAL; + } + + fb->offset = fbo->offset; + fb->bo = fbo; + printk("allocated %dx%d fb: 0x%08lx, bo %p\n", fb->width, + fb->height, fbo->offset, fbo); + + + fb->fbdev = info; + + par = info->par; + + par->dev = dev; + par->crtc = crtc; + + info->fbops = &intelfb_ops; + + strcpy(info->fix.id, "intelfb"); + info->fix.type = FB_TYPE_PACKED_PIXELS; + info->fix.visual = FB_VISUAL_TRUECOLOR; + info->fix.type_aux = 0; + info->fix.xpanstep = 8; + info->fix.ypanstep = 1; + info->fix.ywrapstep = 0; + info->fix.accel = FB_ACCEL_I830; + info->fix.type_aux = 0; + info->fix.mmio_start = 0; + info->fix.mmio_len = 0; + info->fix.line_length = fb->pitch; + info->fix.smem_start = fb->offset + dev->mode_config.fb_base; + info->fix.smem_len = info->fix.line_length * fb->height; + + info->flags = FBINFO_DEFAULT; + + ret = drm_mem_reg_ioremap(dev, &fb->bo->mem, &fb->virtual_base); + if (ret) + DRM_ERROR("error mapping fb: %d\n", ret); + + info->screen_base = fb->virtual_base; + info->screen_size = info->fix.smem_len; /* FIXME */ + info->pseudo_palette = fb->pseudo_palette; + info->var.xres_virtual = fb->width; + info->var.yres_virtual = fb->height; + info->var.bits_per_pixel = fb->bits_per_pixel; + info->var.xoffset = 0; + info->var.yoffset = 0; + info->var.activate = FB_ACTIVATE_NOW; + info->var.height = -1; + info->var.width = -1; + info->var.vmode = FB_VMODE_NONINTERLACED; + + info->var.xres = mode->hdisplay; + info->var.right_margin = mode->hsync_start - mode->hdisplay; + info->var.hsync_len = mode->hsync_end - mode->hsync_start; + info->var.left_margin = mode->htotal - mode->hsync_end; + info->var.yres = mode->vdisplay; + info->var.lower_margin = mode->vsync_start - mode->vdisplay; + info->var.vsync_len = mode->vsync_end - mode->vsync_start; + info->var.upper_margin = mode->vtotal - mode->vsync_end; + info->var.pixclock = 10000000 / mode->htotal * 1000 / + mode->vtotal * 100; + /* avoid overflow */ + info->var.pixclock = info->var.pixclock * 1000 / mode->vrefresh; + + info->pixmap.size = 64*1024; + info->pixmap.buf_align = 8; + info->pixmap.access_align = 32; + info->pixmap.flags = FB_PIXMAP_SYSTEM; + info->pixmap.scan_align = 1; + + DRM_DEBUG("fb depth is %d\n", fb->depth); + DRM_DEBUG(" pitch is %d\n", fb->pitch); + switch(fb->depth) { + case 8: + info->var.red.offset = 0; + info->var.green.offset = 0; + info->var.blue.offset = 0; + info->var.red.length = 8; /* 8bit DAC */ + info->var.green.length = 8; + info->var.blue.length = 8; + info->var.transp.offset = 0; + info->var.transp.length = 0; + break; + case 15: + info->var.red.offset = 10; + info->var.green.offset = 5; + info->var.blue.offset = 0; + info->var.red.length = info->var.green.length = + info->var.blue.length = 5; + info->var.transp.offset = 15; + info->var.transp.length = 1; + break; + case 16: + info->var.red.offset = 11; + info->var.green.offset = 5; + info->var.blue.offset = 0; + info->var.red.length = 5; + info->var.green.length = 6; + info->var.blue.length = 5; + info->var.transp.offset = 0; + break; + case 24: + info->var.red.offset = 16; + info->var.green.offset = 8; + info->var.blue.offset = 0; + info->var.red.length = info->var.green.length = + info->var.blue.length = 8; + info->var.transp.offset = 0; + info->var.transp.length = 0; + break; + case 32: + info->var.red.offset = 16; + info->var.green.offset = 8; + info->var.blue.offset = 0; + info->var.red.length = info->var.green.length = + info->var.blue.length = 8; + info->var.transp.offset = 24; + info->var.transp.length = 8; + break; + default: + break; + } + + if (register_framebuffer(info) < 0) + return -EINVAL; + + printk(KERN_INFO "fb%d: %s frame buffer device\n", info->node, + info->fix.id); + return 0; +} +EXPORT_SYMBOL(intelfb_probe); + +int intelfb_remove(struct drm_device *dev, struct drm_crtc *crtc) +{ + struct drm_framebuffer *fb = crtc->fb; + struct fb_info *info = fb->fbdev; + + if (info) { + unregister_framebuffer(info); + framebuffer_release(info); + drm_mem_reg_iounmap(dev, &fb->bo->mem, fb->virtual_base); + drm_bo_usage_deref_unlocked(&fb->bo); + drm_framebuffer_destroy(fb); + } + return 0; +} +EXPORT_SYMBOL(intelfb_remove); +MODULE_LICENSE("GPL"); diff --git a/linux-core/intel_i2c.c b/linux-core/intel_i2c.c new file mode 100644 index 00000000..efcbf656 --- /dev/null +++ b/linux-core/intel_i2c.c @@ -0,0 +1,190 @@ +/* + * Copyright © 2006-2007 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Eric Anholt <eric@anholt.net> + */ +/* + * Copyright (c) 2006 Dave Airlie <airlied@linux.ie> + * Jesse Barnes <jesse.barnes@intel.com> + */ + +#include <linux/i2c.h> +#include <linux/i2c-id.h> +#include <linux/i2c-algo-bit.h> +#include "drmP.h" +#include "drm.h" +#include "intel_drv.h" +#include "i915_drm.h" +#include "i915_drv.h" + +/* + * Intel GPIO access functions + */ + +#define I2C_RISEFALL_TIME 20 + +static int get_clock(void *data) +{ + struct intel_i2c_chan *chan = data; + struct drm_i915_private *dev_priv = chan->drm_dev->dev_private; + u32 val; + + val = I915_READ(chan->reg); + return ((val & GPIO_CLOCK_VAL_IN) != 0); +} + +static int get_data(void *data) +{ + struct intel_i2c_chan *chan = data; + struct drm_i915_private *dev_priv = chan->drm_dev->dev_private; + u32 val; + + val = I915_READ(chan->reg); + return ((val & GPIO_DATA_VAL_IN) != 0); +} + +static void set_clock(void *data, int state_high) +{ + struct intel_i2c_chan *chan = data; + struct drm_device *dev = chan->drm_dev; + struct drm_i915_private *dev_priv = chan->drm_dev->dev_private; + u32 reserved = 0, clock_bits; + + /* On most chips, these bits must be preserved in software. */ + if (!IS_I830(dev) && !IS_845G(dev)) + reserved = I915_READ(chan->reg) & (GPIO_DATA_PULLUP_DISABLE | + GPIO_CLOCK_PULLUP_DISABLE); + + if (state_high) + clock_bits = GPIO_CLOCK_DIR_IN | GPIO_CLOCK_DIR_MASK; + else + clock_bits = GPIO_CLOCK_DIR_OUT | GPIO_CLOCK_DIR_MASK | + GPIO_CLOCK_VAL_MASK; + I915_WRITE(chan->reg, reserved | clock_bits); + udelay(I2C_RISEFALL_TIME); /* wait for the line to change state */ +} + +static void set_data(void *data, int state_high) +{ + struct intel_i2c_chan *chan = data; + struct drm_device *dev = chan->drm_dev; + struct drm_i915_private *dev_priv = chan->drm_dev->dev_private; + u32 reserved = 0, data_bits; + + /* On most chips, these bits must be preserved in software. */ + if (!IS_I830(dev) && !IS_845G(dev)) + reserved = I915_READ(chan->reg) & (GPIO_DATA_PULLUP_DISABLE | + GPIO_CLOCK_PULLUP_DISABLE); + + if (state_high) + data_bits = GPIO_DATA_DIR_IN | GPIO_DATA_DIR_MASK; + else + data_bits = GPIO_DATA_DIR_OUT | GPIO_DATA_DIR_MASK | + GPIO_DATA_VAL_MASK; + + I915_WRITE(chan->reg, reserved | data_bits); + udelay(I2C_RISEFALL_TIME); /* wait for the line to change state */ +} + +/** + * intel_i2c_create - instantiate an Intel i2c bus using the specified GPIO reg + * @dev: DRM device + * @output: driver specific output device + * @reg: GPIO reg to use + * @name: name for this bus + * + * Creates and registers a new i2c bus with the Linux i2c layer, for use + * in output probing and control (e.g. DDC or SDVO control functions). + * + * Possible values for @reg include: + * %GPIOA + * %GPIOB + * %GPIOC + * %GPIOD + * %GPIOE + * %GPIOF + * %GPIOG + * %GPIOH + * see PRM for details on how these different busses are used. + */ +struct intel_i2c_chan *intel_i2c_create(struct drm_device *dev, const u32 reg, + const char *name) +{ + struct intel_i2c_chan *chan; + + chan = kzalloc(sizeof(struct intel_i2c_chan), GFP_KERNEL); + if (!chan) + goto out_free; + + chan->drm_dev = dev; + chan->reg = reg; + snprintf(chan->adapter.name, I2C_NAME_SIZE, "intel drm %s", name); + chan->adapter.owner = THIS_MODULE; +#ifndef I2C_HW_B_INTELFB +#define I2C_HW_B_INTELFB I2C_HW_B_I810 +#endif + chan->adapter.id = I2C_HW_B_INTELFB; + chan->adapter.algo_data = &chan->algo; + chan->adapter.dev.parent = &dev->pdev->dev; + chan->algo.setsda = set_data; + chan->algo.setscl = set_clock; + chan->algo.getsda = get_data; + chan->algo.getscl = get_clock; + chan->algo.udelay = 20; + chan->algo.timeout = usecs_to_jiffies(2200); + chan->algo.data = chan; + + i2c_set_adapdata(&chan->adapter, chan); + + if(i2c_bit_add_bus(&chan->adapter)) + goto out_free; + + /* JJJ: raise SCL and SDA? */ + set_data(chan, 1); + set_clock(chan, 1); + udelay(20); + + return chan; + +out_free: + kfree(chan); + return NULL; +} + +/** + * intel_i2c_destroy - unregister and free i2c bus resources + * @output: channel to free + * + * Unregister the adapter from the i2c layer, then free the structure. + */ +void intel_i2c_destroy(struct intel_i2c_chan *chan) +{ + if (!chan) + return; + + i2c_del_adapter(&chan->adapter); + kfree(chan); +} + + + diff --git a/linux-core/intel_lvds.c b/linux-core/intel_lvds.c new file mode 100644 index 00000000..4f15c13a --- /dev/null +++ b/linux-core/intel_lvds.c @@ -0,0 +1,502 @@ +/* + * Copyright © 2006-2007 Intel Corporation + * Copyright (c) 2006 Dave Airlie <airlied@linux.ie> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Eric Anholt <eric@anholt.net> + * Dave Airlie <airlied@linux.ie> + * Jesse Barnes <jesse.barnes@intel.com> + */ + +#include <linux/i2c.h> +#include "drmP.h" +#include "drm.h" +#include "drm_crtc.h" +#include "drm_edid.h" +#include "intel_drv.h" +#include "i915_drm.h" +#include "i915_drv.h" + +/** + * Sets the backlight level. + * + * \param level backlight level, from 0 to intel_lvds_get_max_backlight(). + */ +static void intel_lvds_set_backlight(struct drm_device *dev, int level) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + u32 blc_pwm_ctl; + + blc_pwm_ctl = I915_READ(BLC_PWM_CTL) & ~BACKLIGHT_DUTY_CYCLE_MASK; + I915_WRITE(BLC_PWM_CTL, (blc_pwm_ctl | + (level << BACKLIGHT_DUTY_CYCLE_SHIFT))); +} + +/** + * Returns the maximum level of the backlight duty cycle field. + */ +static u32 intel_lvds_get_max_backlight(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + + return ((I915_READ(BLC_PWM_CTL) & BACKLIGHT_MODULATION_FREQ_MASK) >> + BACKLIGHT_MODULATION_FREQ_SHIFT) * 2; +} + +/** + * Sets the power state for the panel. + */ +static void intel_lvds_set_power(struct drm_device *dev, bool on) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + u32 pp_status; + + if (on) { + I915_WRITE(PP_CONTROL, I915_READ(PP_CONTROL) | + POWER_TARGET_ON); + do { + pp_status = I915_READ(PP_STATUS); + } while ((pp_status & PP_ON) == 0); + + intel_lvds_set_backlight(dev, dev_priv->backlight_duty_cycle); + } else { + intel_lvds_set_backlight(dev, 0); + + I915_WRITE(PP_CONTROL, I915_READ(PP_CONTROL) & + ~POWER_TARGET_ON); + do { + pp_status = I915_READ(PP_STATUS); + } while (pp_status & PP_ON); + } +} + +static void intel_lvds_dpms(struct drm_output *output, int mode) +{ + struct drm_device *dev = output->dev; + + if (mode == DPMSModeOn) + intel_lvds_set_power(dev, true); + else + intel_lvds_set_power(dev, false); + + /* XXX: We never power down the LVDS pairs. */ +} + +static void intel_lvds_save(struct drm_output *output) +{ + struct drm_device *dev = output->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + + dev_priv->savePP_ON = I915_READ(LVDSPP_ON); + dev_priv->savePP_OFF = I915_READ(LVDSPP_OFF); + dev_priv->savePP_CONTROL = I915_READ(PP_CONTROL); + dev_priv->savePP_CYCLE = I915_READ(PP_CYCLE); + dev_priv->saveBLC_PWM_CTL = I915_READ(BLC_PWM_CTL); + dev_priv->backlight_duty_cycle = (dev_priv->saveBLC_PWM_CTL & + BACKLIGHT_DUTY_CYCLE_MASK); + + /* + * If the light is off at server startup, just make it full brightness + */ + if (dev_priv->backlight_duty_cycle == 0) + dev_priv->backlight_duty_cycle = + intel_lvds_get_max_backlight(dev); +} + +static void intel_lvds_restore(struct drm_output *output) +{ + struct drm_device *dev = output->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + + I915_WRITE(BLC_PWM_CTL, dev_priv->saveBLC_PWM_CTL); + I915_WRITE(LVDSPP_ON, dev_priv->savePP_ON); + I915_WRITE(LVDSPP_OFF, dev_priv->savePP_OFF); + I915_WRITE(PP_CYCLE, dev_priv->savePP_CYCLE); + I915_WRITE(PP_CONTROL, dev_priv->savePP_CONTROL); + if (dev_priv->savePP_CONTROL & POWER_TARGET_ON) + intel_lvds_set_power(dev, true); + else + intel_lvds_set_power(dev, false); +} + +static int intel_lvds_mode_valid(struct drm_output *output, + struct drm_display_mode *mode) +{ + struct drm_device *dev = output->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_display_mode *fixed_mode = dev_priv->panel_fixed_mode; + + if (fixed_mode) { + if (mode->hdisplay > fixed_mode->hdisplay) + return MODE_PANEL; + if (mode->vdisplay > fixed_mode->vdisplay) + return MODE_PANEL; + } + + return MODE_OK; +} + +static bool intel_lvds_mode_fixup(struct drm_output *output, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + struct drm_device *dev = output->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = output->crtc->driver_private; + struct drm_output *tmp_output; + + /* Should never happen!! */ + if (!IS_I965G(dev) && intel_crtc->pipe == 0) { + printk(KERN_ERR "Can't support LVDS on pipe A\n"); + return false; + } + + /* Should never happen!! */ + list_for_each_entry(tmp_output, &dev->mode_config.output_list, head) { + if (tmp_output != output && tmp_output->crtc == output->crtc) { + printk(KERN_ERR "Can't enable LVDS and another " + "output on the same pipe\n"); + return false; + } + } + + /* + * If we have timings from the BIOS for the panel, put them in + * to the adjusted mode. The CRTC will be set up for this mode, + * with the panel scaling set up to source from the H/VDisplay + * of the original mode. + */ + if (dev_priv->panel_fixed_mode != NULL) { + adjusted_mode->hdisplay = dev_priv->panel_fixed_mode->hdisplay; + adjusted_mode->hsync_start = + dev_priv->panel_fixed_mode->hsync_start; + adjusted_mode->hsync_end = + dev_priv->panel_fixed_mode->hsync_end; + adjusted_mode->htotal = dev_priv->panel_fixed_mode->htotal; + adjusted_mode->vdisplay = dev_priv->panel_fixed_mode->vdisplay; + adjusted_mode->vsync_start = + dev_priv->panel_fixed_mode->vsync_start; + adjusted_mode->vsync_end = + dev_priv->panel_fixed_mode->vsync_end; + adjusted_mode->vtotal = dev_priv->panel_fixed_mode->vtotal; + adjusted_mode->clock = dev_priv->panel_fixed_mode->clock; + drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V); + } + + /* + * XXX: It would be nice to support lower refresh rates on the + * panels to reduce power consumption, and perhaps match the + * user's requested refresh rate. + */ + + return true; +} + +static void intel_lvds_prepare(struct drm_output *output) +{ + struct drm_device *dev = output->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + + dev_priv->saveBLC_PWM_CTL = I915_READ(BLC_PWM_CTL); + dev_priv->backlight_duty_cycle = (dev_priv->saveBLC_PWM_CTL & + BACKLIGHT_DUTY_CYCLE_MASK); + + intel_lvds_set_power(dev, false); +} + +static void intel_lvds_commit( struct drm_output *output) +{ + struct drm_device *dev = output->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + + if (dev_priv->backlight_duty_cycle == 0) + dev_priv->backlight_duty_cycle = + intel_lvds_get_max_backlight(dev); + + intel_lvds_set_power(dev, true); +} + +static void intel_lvds_mode_set(struct drm_output *output, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + struct drm_device *dev = output->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = output->crtc->driver_private; + u32 pfit_control; + + /* + * The LVDS pin pair will already have been turned on in the + * intel_crtc_mode_set since it has a large impact on the DPLL + * settings. + */ + + /* + * Enable automatic panel scaling so that non-native modes fill the + * screen. Should be enabled before the pipe is enabled, according to + * register description and PRM. + */ + pfit_control = (PFIT_ENABLE | VERT_AUTO_SCALE | HORIZ_AUTO_SCALE | + VERT_INTERP_BILINEAR | HORIZ_INTERP_BILINEAR); + + if (!IS_I965G(dev)) { + if (dev_priv->panel_wants_dither) + pfit_control |= PANEL_8TO6_DITHER_ENABLE; + } + else + pfit_control |= intel_crtc->pipe << PFIT_PIPE_SHIFT; + + I915_WRITE(PFIT_CONTROL, pfit_control); +} + +/** + * Detect the LVDS connection. + * + * This always returns OUTPUT_STATUS_CONNECTED. This output should only have + * been set up if the LVDS was actually connected anyway. + */ +static enum drm_output_status intel_lvds_detect(struct drm_output *output) +{ + return output_status_connected; +} + +/** + * Return the list of DDC modes if available, or the BIOS fixed mode otherwise. + */ +static int intel_lvds_get_modes(struct drm_output *output) +{ + struct drm_device *dev = output->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + int ret = 0; + + ret = intel_ddc_get_modes(output); + + if (ret) + return ret; + + /* Didn't get an EDID */ + if (!output->monitor_info) { + struct drm_display_info *dspinfo; + dspinfo = kzalloc(sizeof(*output->monitor_info), GFP_KERNEL); + if (!dspinfo) + goto out; + + /* Set wide sync ranges so we get all modes + * handed to valid_mode for checking + */ + dspinfo->min_vfreq = 0; + dspinfo->max_vfreq = 200; + dspinfo->min_hfreq = 0; + dspinfo->max_hfreq = 200; + output->monitor_info = dspinfo; + } + +out: + if (dev_priv->panel_fixed_mode != NULL) { + struct drm_display_mode *mode = + drm_mode_duplicate(dev, dev_priv->panel_fixed_mode); + drm_mode_probed_add(output, mode); + return 1; + } + + return 0; +} + +/** + * intel_lvds_destroy - unregister and free LVDS structures + * @output: output to free + * + * Unregister the DDC bus for this output then free the driver private + * structure. + */ +static void intel_lvds_destroy(struct drm_output *output) +{ + struct intel_output *intel_output = output->driver_private; + + intel_i2c_destroy(intel_output->ddc_bus); + kfree(output->driver_private); +} + +static const struct drm_output_funcs intel_lvds_output_funcs = { + .dpms = intel_lvds_dpms, + .save = intel_lvds_save, + .restore = intel_lvds_restore, + .mode_valid = intel_lvds_mode_valid, + .mode_fixup = intel_lvds_mode_fixup, + .prepare = intel_lvds_prepare, + .mode_set = intel_lvds_mode_set, + .commit = intel_lvds_commit, + .detect = intel_lvds_detect, + .get_modes = intel_lvds_get_modes, + .cleanup = intel_lvds_destroy +}; + +/** + * intel_lvds_init - setup LVDS outputs on this device + * @dev: drm device + * + * Create the output, register the LVDS DDC bus, and try to figure out what + * modes we can display on the LVDS panel (if present). + */ +void intel_lvds_init(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_output *output; + struct intel_output *intel_output; + struct drm_display_mode *scan; /* *modes, *bios_mode; */ + struct drm_crtc *crtc; + u32 lvds; + int pipe; + + output = drm_output_create(dev, &intel_lvds_output_funcs, "LVDS"); + if (!output) + return; + + intel_output = kmalloc(sizeof(struct intel_output), GFP_KERNEL); + if (!intel_output) { + drm_output_destroy(output); + return; + } + + intel_output->type = INTEL_OUTPUT_LVDS; + output->driver_private = intel_output; + output->subpixel_order = SubPixelHorizontalRGB; + output->interlace_allowed = FALSE; + output->doublescan_allowed = FALSE; + + /* Set up the DDC bus. */ + intel_output->ddc_bus = intel_i2c_create(dev, GPIOC, "LVDSDDC_C"); + if (!intel_output->ddc_bus) { + dev_printk(KERN_ERR, &dev->pdev->dev, "DDC bus registration " + "failed.\n"); + return; + } + + /* + * Attempt to get the fixed panel mode from DDC. Assume that the + * preferred mode is the right one. + */ + intel_ddc_get_modes(output); + + list_for_each_entry(scan, &output->probed_modes, head) { + if (scan->type & DRM_MODE_TYPE_PREFERRED) { + dev_priv->panel_fixed_mode = + drm_mode_duplicate(dev, scan); + goto out; /* FIXME: check for quirks */ + } + } + + /* + * If we didn't get EDID, try checking if the panel is already turned + * on. If so, assume that whatever is currently programmed is the + * correct mode. + */ + lvds = I915_READ(LVDS); + pipe = (lvds & LVDS_PIPEB_SELECT) ? 1 : 0; + crtc = intel_get_crtc_from_pipe(dev, pipe); + + if (crtc && (lvds & LVDS_PORT_EN)) { + dev_priv->panel_fixed_mode = intel_crtc_mode_get(dev, crtc); + if (dev_priv->panel_fixed_mode) { + dev_priv->panel_fixed_mode->type |= + DRM_MODE_TYPE_PREFERRED; + goto out; /* FIXME: check for quirks */ + } + } + + /* If we still don't have a mode after all that, give up. */ + if (!dev_priv->panel_fixed_mode) + goto failed; + + /* FIXME: probe the BIOS for modes and check for LVDS quirks */ +#if 0 + /* Get the LVDS fixed mode out of the BIOS. We should support LVDS + * with the BIOS being unavailable or broken, but lack the + * configuration options for now. + */ + bios_mode = intel_bios_get_panel_mode(pScrn); + if (bios_mode != NULL) { + if (dev_priv->panel_fixed_mode != NULL) { + if (dev_priv->debug_modes && + !xf86ModesEqual(dev_priv->panel_fixed_mode, + bios_mode)) + { + xf86DrvMsg(pScrn->scrnIndex, X_WARNING, + "BIOS panel mode data doesn't match probed data, " + "continuing with probed.\n"); + xf86DrvMsg(pScrn->scrnIndex, X_INFO, "BIOS mode:\n"); + xf86PrintModeline(pScrn->scrnIndex, bios_mode); + xf86DrvMsg(pScrn->scrnIndex, X_INFO, "probed mode:\n"); + xf86PrintModeline(pScrn->scrnIndex, dev_priv->panel_fixed_mode); + xfree(bios_mode->name); + xfree(bios_mode); + } + } else { + dev_priv->panel_fixed_mode = bios_mode; + } + } else { + xf86DrvMsg(pScrn->scrnIndex, X_WARNING, + "Couldn't detect panel mode. Disabling panel\n"); + goto disable_exit; + } + + /* + * Blacklist machines with BIOSes that list an LVDS panel without + * actually having one. + */ + if (dev_priv->PciInfo->chipType == PCI_CHIP_I945_GM) { + /* aopen mini pc */ + if (dev_priv->PciInfo->subsysVendor == 0xa0a0) + goto disable_exit; + + if ((dev_priv->PciInfo->subsysVendor == 0x8086) && + (dev_priv->PciInfo->subsysCard == 0x7270)) { + /* It's a Mac Mini or Macbook Pro. + * + * Apple hardware is out to get us. The macbook pro + * has a real LVDS panel, but the mac mini does not, + * and they have the same device IDs. We'll + * distinguish by panel size, on the assumption + * that Apple isn't about to make any machines with an + * 800x600 display. + */ + + if (dev_priv->panel_fixed_mode != NULL && + dev_priv->panel_fixed_mode->HDisplay == 800 && + dev_priv->panel_fixed_mode->VDisplay == 600) + { + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "Suspected Mac Mini, ignoring the LVDS\n"); + goto disable_exit; + } + } + } + +#endif + +out: + return; + +failed: + DRM_DEBUG("No LVDS modes found, disabling.\n"); + drm_output_destroy(output); /* calls intel_lvds_destroy above */ +} diff --git a/linux-core/intel_modes.c b/linux-core/intel_modes.c new file mode 100644 index 00000000..601770e1 --- /dev/null +++ b/linux-core/intel_modes.c @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2007 Dave Airlie <airlied@linux.ie> + * Copyright (c) 2007 Intel Corporation + * Jesse Barnes <jesse.barnes@intel.com> + */ + +#include <linux/i2c.h> +#include <linux/fb.h> +#include "drmP.h" +#include "intel_drv.h" + +/** + * intel_ddc_probe + * + */ +bool intel_ddc_probe(struct drm_output *output) +{ + struct intel_output *intel_output = output->driver_private; + u8 out_buf[] = { 0x0, 0x0}; + u8 buf[2]; + int ret; + struct i2c_msg msgs[] = { + { + .addr = 0x50, + .flags = 0, + .len = 1, + .buf = out_buf, + }, + { + .addr = 0x50, + .flags = I2C_M_RD, + .len = 1, + .buf = buf, + } + }; + + ret = i2c_transfer(&intel_output->ddc_bus->adapter, msgs, 2); + if (ret == 2) + return true; + + return false; +} + +/** + * intel_ddc_get_modes - get modelist from monitor + * @output: DRM output device to use + * + * Fetch the EDID information from @output using the DDC bus. + */ +int intel_ddc_get_modes(struct drm_output *output) +{ + struct intel_output *intel_output = output->driver_private; + + return drm_add_edid_modes(output, &intel_output->ddc_bus->adapter); +} diff --git a/linux-core/intel_sdvo.c b/linux-core/intel_sdvo.c new file mode 100644 index 00000000..51fe43cb --- /dev/null +++ b/linux-core/intel_sdvo.c @@ -0,0 +1,1087 @@ +/* + * Copyright © 2006-2007 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Eric Anholt <eric@anholt.net> + */ +/* + * Copyright 2006 Dave Airlie <airlied@linux.ie> + * Jesse Barnes <jesse.barnes@intel.com> + */ + +#include <linux/i2c.h> +#include <linux/delay.h> +#include "drmP.h" +#include "drm.h" +#include "drm_crtc.h" +#include "intel_drv.h" +#include "i915_drm.h" +#include "i915_drv.h" +#include "intel_sdvo_regs.h" + +struct intel_sdvo_priv { + struct intel_i2c_chan *i2c_bus; + int slaveaddr; + int output_device; + + u16 active_outputs; + + struct intel_sdvo_caps caps; + int pixel_clock_min, pixel_clock_max; + + int save_sdvo_mult; + u16 save_active_outputs; + struct intel_sdvo_dtd save_input_dtd_1, save_input_dtd_2; + struct intel_sdvo_dtd save_output_dtd[16]; + u32 save_SDVOX; +}; + +/** + * Writes the SDVOB or SDVOC with the given value, but always writes both + * SDVOB and SDVOC to work around apparent hardware issues (according to + * comments in the BIOS). + */ +static void intel_sdvo_write_sdvox(struct drm_output *output, u32 val) +{ + struct drm_device *dev = output->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_output *intel_output = output->driver_private; + struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv; + u32 bval = val, cval = val; + int i; + + if (sdvo_priv->output_device == SDVOB) + cval = I915_READ(SDVOC); + else + bval = I915_READ(SDVOB); + /* + * Write the registers twice for luck. Sometimes, + * writing them only once doesn't appear to 'stick'. + * The BIOS does this too. Yay, magic + */ + for (i = 0; i < 2; i++) + { + I915_WRITE(SDVOB, bval); + I915_READ(SDVOB); + I915_WRITE(SDVOC, cval); + I915_READ(SDVOC); + } +} + +static bool intel_sdvo_read_byte(struct drm_output *output, u8 addr, + u8 *ch) +{ + struct intel_output *intel_output = output->driver_private; + struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv; + u8 out_buf[2]; + u8 buf[2]; + int ret; + + struct i2c_msg msgs[] = { + { + .addr = sdvo_priv->i2c_bus->slave_addr, + .flags = 0, + .len = 1, + .buf = out_buf, + }, + { + .addr = sdvo_priv->i2c_bus->slave_addr, + .flags = I2C_M_RD, + .len = 1, + .buf = buf, + } + }; + + out_buf[0] = addr; + out_buf[1] = 0; + + if ((ret = i2c_transfer(&sdvo_priv->i2c_bus->adapter, msgs, 2)) == 2) + { +// DRM_DEBUG("got back from addr %02X = %02x\n", out_buf[0], buf[0]); + *ch = buf[0]; + return true; + } + + DRM_DEBUG("i2c transfer returned %d\n", ret); + return false; +} + + +static bool intel_sdvo_read_byte_quiet(struct drm_output *output, int addr, + u8 *ch) +{ + return true; + +} + +static bool intel_sdvo_write_byte(struct drm_output *output, int addr, + u8 ch) +{ + struct intel_output *intel_output = output->driver_private; + u8 out_buf[2]; + struct i2c_msg msgs[] = { + { + .addr = intel_output->i2c_bus->slave_addr, + .flags = 0, + .len = 2, + .buf = out_buf, + } + }; + + out_buf[0] = addr; + out_buf[1] = ch; + + if (i2c_transfer(&intel_output->i2c_bus->adapter, msgs, 1) == 1) + { + return true; + } + return false; +} + +#define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd} +/** Mapping of command numbers to names, for debug output */ +const static struct _sdvo_cmd_name { + u8 cmd; + char *name; +} sdvo_cmd_names[] = { + SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_RESOLUTION_SUPPORT), + SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH), +}; + +#define SDVO_NAME(dev_priv) ((dev_priv)->output_device == SDVOB ? "SDVOB" : "SDVOC") +#define SDVO_PRIV(output) ((struct intel_sdvo_priv *) (output)->dev_priv) + +static void intel_sdvo_write_cmd(struct drm_output *output, u8 cmd, + void *args, int args_len) +{ + struct intel_output *intel_output = output->driver_private; + struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv; + int i; + + if (1) { + DRM_DEBUG("%s: W: %02X ", SDVO_NAME(sdvo_priv), cmd); + for (i = 0; i < args_len; i++) + printk("%02X ", ((u8 *)args)[i]); + for (; i < 8; i++) + printk(" "); + for (i = 0; i < sizeof(sdvo_cmd_names) / sizeof(sdvo_cmd_names[0]); i++) { + if (cmd == sdvo_cmd_names[i].cmd) { + printk("(%s)", sdvo_cmd_names[i].name); + break; + } + } + if (i == sizeof(sdvo_cmd_names)/ sizeof(sdvo_cmd_names[0])) + printk("(%02X)",cmd); + printk("\n"); + } + + for (i = 0; i < args_len; i++) { + intel_sdvo_write_byte(output, SDVO_I2C_ARG_0 - i, ((u8*)args)[i]); + } + + intel_sdvo_write_byte(output, SDVO_I2C_OPCODE, cmd); +} + +static const char *cmd_status_names[] = { + "Power on", + "Success", + "Not supported", + "Invalid arg", + "Pending", + "Target not specified", + "Scaling not supported" +}; + +static u8 intel_sdvo_read_response(struct drm_output *output, void *response, + int response_len) +{ + struct intel_output *intel_output = output->driver_private; + struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv; + int i; + u8 status; + u8 retry = 50; + + while (retry--) { + /* Read the command response */ + for (i = 0; i < response_len; i++) { + intel_sdvo_read_byte(output, SDVO_I2C_RETURN_0 + i, + &((u8 *)response)[i]); + } + + /* read the return status */ + intel_sdvo_read_byte(output, SDVO_I2C_CMD_STATUS, &status); + + if (1) { + DRM_DEBUG("%s: R: ", SDVO_NAME(sdvo_priv)); + for (i = 0; i < response_len; i++) + printk("%02X ", ((u8 *)response)[i]); + for (; i < 8; i++) + printk(" "); + if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP) + printk("(%s)", cmd_status_names[status]); + else + printk("(??? %d)", status); + printk("\n"); + } + + if (status != SDVO_CMD_STATUS_PENDING) + return status; + + mdelay(50); + } + + return status; +} + +int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode) +{ + if (mode->clock >= 100000) + return 1; + else if (mode->clock >= 50000) + return 2; + else + return 4; +} + +/** + * Don't check status code from this as it switches the bus back to the + * SDVO chips which defeats the purpose of doing a bus switch in the first + * place. + */ +void intel_sdvo_set_control_bus_switch(struct drm_output *output, u8 target) +{ + intel_sdvo_write_cmd(output, SDVO_CMD_SET_CONTROL_BUS_SWITCH, &target, 1); +} + +static bool intel_sdvo_set_target_input(struct drm_output *output, bool target_0, bool target_1) +{ + struct intel_sdvo_set_target_input_args targets = {0}; + u8 status; + + if (target_0 && target_1) + return SDVO_CMD_STATUS_NOTSUPP; + + if (target_1) + targets.target_1 = 1; + + intel_sdvo_write_cmd(output, SDVO_CMD_SET_TARGET_INPUT, &targets, + sizeof(targets)); + + status = intel_sdvo_read_response(output, NULL, 0); + + return (status == SDVO_CMD_STATUS_SUCCESS); +} + +/** + * Return whether each input is trained. + * + * This function is making an assumption about the layout of the response, + * which should be checked against the docs. + */ +static bool intel_sdvo_get_trained_inputs(struct drm_output *output, bool *input_1, bool *input_2) +{ + struct intel_sdvo_get_trained_inputs_response response; + u8 status; + + intel_sdvo_write_cmd(output, SDVO_CMD_GET_TRAINED_INPUTS, NULL, 0); + status = intel_sdvo_read_response(output, &response, sizeof(response)); + if (status != SDVO_CMD_STATUS_SUCCESS) + return false; + + *input_1 = response.input0_trained; + *input_2 = response.input1_trained; + return true; +} + +static bool intel_sdvo_get_active_outputs(struct drm_output *output, + u16 *outputs) +{ + u8 status; + + intel_sdvo_write_cmd(output, SDVO_CMD_GET_ACTIVE_OUTPUTS, NULL, 0); + status = intel_sdvo_read_response(output, outputs, sizeof(*outputs)); + + return (status == SDVO_CMD_STATUS_SUCCESS); +} + +static bool intel_sdvo_set_active_outputs(struct drm_output *output, + u16 outputs) +{ + u8 status; + + intel_sdvo_write_cmd(output, SDVO_CMD_SET_ACTIVE_OUTPUTS, &outputs, + sizeof(outputs)); + status = intel_sdvo_read_response(output, NULL, 0); + return (status == SDVO_CMD_STATUS_SUCCESS); +} + +static bool intel_sdvo_set_encoder_power_state(struct drm_output *output, + int mode) +{ + u8 status, state = SDVO_ENCODER_STATE_ON; + + switch (mode) { + case DPMSModeOn: + state = SDVO_ENCODER_STATE_ON; + break; + case DPMSModeStandby: + state = SDVO_ENCODER_STATE_STANDBY; + break; + case DPMSModeSuspend: + state = SDVO_ENCODER_STATE_SUSPEND; + break; + case DPMSModeOff: + state = SDVO_ENCODER_STATE_OFF; + break; + } + + intel_sdvo_write_cmd(output, SDVO_CMD_SET_ENCODER_POWER_STATE, &state, + sizeof(state)); + status = intel_sdvo_read_response(output, NULL, 0); + + return (status == SDVO_CMD_STATUS_SUCCESS); +} + +static bool intel_sdvo_get_input_pixel_clock_range(struct drm_output *output, + int *clock_min, + int *clock_max) +{ + struct intel_sdvo_pixel_clock_range clocks; + u8 status; + + intel_sdvo_write_cmd(output, SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE, + NULL, 0); + + status = intel_sdvo_read_response(output, &clocks, sizeof(clocks)); + + if (status != SDVO_CMD_STATUS_SUCCESS) + return false; + + /* Convert the values from units of 10 kHz to kHz. */ + *clock_min = clocks.min * 10; + *clock_max = clocks.max * 10; + + return true; +} + +static bool intel_sdvo_set_target_output(struct drm_output *output, + u16 outputs) +{ + u8 status; + + intel_sdvo_write_cmd(output, SDVO_CMD_SET_TARGET_OUTPUT, &outputs, + sizeof(outputs)); + + status = intel_sdvo_read_response(output, NULL, 0); + return (status == SDVO_CMD_STATUS_SUCCESS); +} + +static bool intel_sdvo_get_timing(struct drm_output *output, u8 cmd, + struct intel_sdvo_dtd *dtd) +{ + u8 status; + + intel_sdvo_write_cmd(output, cmd, NULL, 0); + status = intel_sdvo_read_response(output, &dtd->part1, + sizeof(dtd->part1)); + if (status != SDVO_CMD_STATUS_SUCCESS) + return false; + + intel_sdvo_write_cmd(output, cmd + 1, NULL, 0); + status = intel_sdvo_read_response(output, &dtd->part2, + sizeof(dtd->part2)); + if (status != SDVO_CMD_STATUS_SUCCESS) + return false; + + return true; +} + +static bool intel_sdvo_get_input_timing(struct drm_output *output, + struct intel_sdvo_dtd *dtd) +{ + return intel_sdvo_get_timing(output, + SDVO_CMD_GET_INPUT_TIMINGS_PART1, dtd); +} + +static bool intel_sdvo_get_output_timing(struct drm_output *output, + struct intel_sdvo_dtd *dtd) +{ + return intel_sdvo_get_timing(output, + SDVO_CMD_GET_OUTPUT_TIMINGS_PART1, dtd); +} + +static bool intel_sdvo_set_timing(struct drm_output *output, u8 cmd, + struct intel_sdvo_dtd *dtd) +{ + u8 status; + + intel_sdvo_write_cmd(output, cmd, &dtd->part1, sizeof(dtd->part1)); + status = intel_sdvo_read_response(output, NULL, 0); + if (status != SDVO_CMD_STATUS_SUCCESS) + return false; + + intel_sdvo_write_cmd(output, cmd + 1, &dtd->part2, sizeof(dtd->part2)); + status = intel_sdvo_read_response(output, NULL, 0); + if (status != SDVO_CMD_STATUS_SUCCESS) + return false; + + return true; +} + +static bool intel_sdvo_set_input_timing(struct drm_output *output, + struct intel_sdvo_dtd *dtd) +{ + return intel_sdvo_set_timing(output, + SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd); +} + +static bool intel_sdvo_set_output_timing(struct drm_output *output, + struct intel_sdvo_dtd *dtd) +{ + return intel_sdvo_set_timing(output, + SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd); +} + +#if 0 +static bool intel_sdvo_get_preferred_input_timing(struct drm_output *output, + struct intel_sdvo_dtd *dtd) +{ + struct intel_output *intel_output = output->driver_private; + struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv; + u8 status; + + intel_sdvo_write_cmd(output, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1, + NULL, 0); + + status = intel_sdvo_read_response(output, &dtd->part1, + sizeof(dtd->part1)); + if (status != SDVO_CMD_STATUS_SUCCESS) + return false; + + intel_sdvo_write_cmd(output, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2, + NULL, 0); + status = intel_sdvo_read_response(output, &dtd->part2, + sizeof(dtd->part2)); + if (status != SDVO_CMD_STATUS_SUCCESS) + return false; + + return true; +} +#endif + +static int intel_sdvo_get_clock_rate_mult(struct drm_output *output) +{ + u8 response, status; + + intel_sdvo_write_cmd(output, SDVO_CMD_GET_CLOCK_RATE_MULT, NULL, 0); + status = intel_sdvo_read_response(output, &response, 1); + + if (status != SDVO_CMD_STATUS_SUCCESS) { + DRM_DEBUG("Couldn't get SDVO clock rate multiplier\n"); + return SDVO_CLOCK_RATE_MULT_1X; + } else { + DRM_DEBUG("Current clock rate multiplier: %d\n", response); + } + + return response; +} + +static bool intel_sdvo_set_clock_rate_mult(struct drm_output *output, u8 val) +{ + u8 status; + + intel_sdvo_write_cmd(output, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1); + status = intel_sdvo_read_response(output, NULL, 0); + if (status != SDVO_CMD_STATUS_SUCCESS) + return false; + + return true; +} + +static bool intel_sdvo_mode_fixup(struct drm_output *output, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + /* Make the CRTC code factor in the SDVO pixel multiplier. The SDVO + * device will be told of the multiplier during mode_set. + */ + adjusted_mode->clock *= intel_sdvo_get_pixel_multiplier(mode); + return true; +} + +static void intel_sdvo_mode_set(struct drm_output *output, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + struct drm_device *dev = output->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_crtc *crtc = output->crtc; + struct intel_crtc *intel_crtc = crtc->driver_private; + struct intel_output *intel_output = output->driver_private; + struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv; + u16 width, height; + u16 h_blank_len, h_sync_len, v_blank_len, v_sync_len; + u16 h_sync_offset, v_sync_offset; + u32 sdvox; + struct intel_sdvo_dtd output_dtd; + int sdvo_pixel_multiply; + + if (!mode) + return; + + width = mode->crtc_hdisplay; + height = mode->crtc_vdisplay; + + /* do some mode translations */ + h_blank_len = mode->crtc_hblank_end - mode->crtc_hblank_start; + h_sync_len = mode->crtc_hsync_end - mode->crtc_hsync_start; + + v_blank_len = mode->crtc_vblank_end - mode->crtc_vblank_start; + v_sync_len = mode->crtc_vsync_end - mode->crtc_vsync_start; + + h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start; + v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start; + + output_dtd.part1.clock = mode->clock / 10; + output_dtd.part1.h_active = width & 0xff; + output_dtd.part1.h_blank = h_blank_len & 0xff; + output_dtd.part1.h_high = (((width >> 8) & 0xf) << 4) | + ((h_blank_len >> 8) & 0xf); + output_dtd.part1.v_active = height & 0xff; + output_dtd.part1.v_blank = v_blank_len & 0xff; + output_dtd.part1.v_high = (((height >> 8) & 0xf) << 4) | + ((v_blank_len >> 8) & 0xf); + + output_dtd.part2.h_sync_off = h_sync_offset; + output_dtd.part2.h_sync_width = h_sync_len & 0xff; + output_dtd.part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 | + (v_sync_len & 0xf); + output_dtd.part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) | + ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) | + ((v_sync_len & 0x30) >> 4); + + output_dtd.part2.dtd_flags = 0x18; + if (mode->flags & V_PHSYNC) + output_dtd.part2.dtd_flags |= 0x2; + if (mode->flags & V_PVSYNC) + output_dtd.part2.dtd_flags |= 0x4; + + output_dtd.part2.sdvo_flags = 0; + output_dtd.part2.v_sync_off_high = v_sync_offset & 0xc0; + output_dtd.part2.reserved = 0; + + /* Set the output timing to the screen */ + intel_sdvo_set_target_output(output, sdvo_priv->active_outputs); + intel_sdvo_set_output_timing(output, &output_dtd); + + /* Set the input timing to the screen. Assume always input 0. */ + intel_sdvo_set_target_input(output, true, false); + + /* We would like to use i830_sdvo_create_preferred_input_timing() to + * provide the device with a timing it can support, if it supports that + * feature. However, presumably we would need to adjust the CRTC to + * output the preferred timing, and we don't support that currently. + */ +#if 0 + success = intel_sdvo_create_preferred_input_timing(output, clock, + width, height); + if (success) { + struct intel_sdvo_dtd *input_dtd; + + intel_sdvo_get_preferred_input_timing(output, &input_dtd); + intel_sdvo_set_input_timing(output, &input_dtd); + } +#else + intel_sdvo_set_input_timing(output, &output_dtd); +#endif + + switch (intel_sdvo_get_pixel_multiplier(mode)) { + case 1: + intel_sdvo_set_clock_rate_mult(output, + SDVO_CLOCK_RATE_MULT_1X); + break; + case 2: + intel_sdvo_set_clock_rate_mult(output, + SDVO_CLOCK_RATE_MULT_2X); + break; + case 4: + intel_sdvo_set_clock_rate_mult(output, + SDVO_CLOCK_RATE_MULT_4X); + break; + } + + /* Set the SDVO control regs. */ + if (0/*IS_I965GM(dev)*/) { + sdvox = SDVO_BORDER_ENABLE; + } else { + sdvox = I915_READ(sdvo_priv->output_device); + switch (sdvo_priv->output_device) { + case SDVOB: + sdvox &= SDVOB_PRESERVE_MASK; + break; + case SDVOC: + sdvox &= SDVOC_PRESERVE_MASK; + break; + } + sdvox |= (9 << 19) | SDVO_BORDER_ENABLE; + } + if (intel_crtc->pipe == 1) + sdvox |= SDVO_PIPE_B_SELECT; + + sdvo_pixel_multiply = intel_sdvo_get_pixel_multiplier(mode); + if (IS_I965G(dev)) { + /* done in crtc_mode_set as the dpll_md reg must be written + early */ + } else if (IS_I945G(dev) || IS_I945GM(dev)) { + /* done in crtc_mode_set as it lives inside the + dpll register */ + } else { + sdvox |= (sdvo_pixel_multiply - 1) << SDVO_PORT_MULTIPLY_SHIFT; + } + + intel_sdvo_write_sdvox(output, sdvox); +} + +static void intel_sdvo_dpms(struct drm_output *output, int mode) +{ + struct drm_device *dev = output->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_output *intel_output = output->driver_private; + struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv; + u32 temp; + + if (mode != DPMSModeOn) { + intel_sdvo_set_active_outputs(output, 0); + if (0) + intel_sdvo_set_encoder_power_state(output, mode); + + if (mode == DPMSModeOff) { + temp = I915_READ(sdvo_priv->output_device); + if ((temp & SDVO_ENABLE) != 0) { + intel_sdvo_write_sdvox(output, temp & ~SDVO_ENABLE); + } + } + } else { + bool input1, input2; + int i; + u8 status; + + temp = I915_READ(sdvo_priv->output_device); + if ((temp & SDVO_ENABLE) == 0) + intel_sdvo_write_sdvox(output, temp | SDVO_ENABLE); + for (i = 0; i < 2; i++) + intel_wait_for_vblank(dev); + + status = intel_sdvo_get_trained_inputs(output, &input1, + &input2); + + + /* Warn if the device reported failure to sync. + * A lot of SDVO devices fail to notify of sync, but it's + * a given it the status is a success, we succeeded. + */ + if (status == SDVO_CMD_STATUS_SUCCESS && !input1) { + DRM_DEBUG("First %s output reported failure to sync\n", + SDVO_NAME(sdvo_priv)); + } + + if (0) + intel_sdvo_set_encoder_power_state(output, mode); + intel_sdvo_set_active_outputs(output, sdvo_priv->active_outputs); + } + return; +} + +static void intel_sdvo_save(struct drm_output *output) +{ + struct drm_device *dev = output->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_output *intel_output = output->driver_private; + struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv; + int o; + + sdvo_priv->save_sdvo_mult = intel_sdvo_get_clock_rate_mult(output); + intel_sdvo_get_active_outputs(output, &sdvo_priv->save_active_outputs); + + if (sdvo_priv->caps.sdvo_inputs_mask & 0x1) { + intel_sdvo_set_target_input(output, true, false); + intel_sdvo_get_input_timing(output, + &sdvo_priv->save_input_dtd_1); + } + + if (sdvo_priv->caps.sdvo_inputs_mask & 0x2) { + intel_sdvo_set_target_input(output, false, true); + intel_sdvo_get_input_timing(output, + &sdvo_priv->save_input_dtd_2); + } + + for (o = SDVO_OUTPUT_FIRST; o <= SDVO_OUTPUT_LAST; o++) + { + u16 this_output = (1 << o); + if (sdvo_priv->caps.output_flags & this_output) + { + intel_sdvo_set_target_output(output, this_output); + intel_sdvo_get_output_timing(output, + &sdvo_priv->save_output_dtd[o]); + } + } + + sdvo_priv->save_SDVOX = I915_READ(sdvo_priv->output_device); +} + +static void intel_sdvo_restore(struct drm_output *output) +{ + struct drm_device *dev = output->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_output *intel_output = output->driver_private; + struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv; + int o; + int i; + bool input1, input2; + u8 status; + + intel_sdvo_set_active_outputs(output, 0); + + for (o = SDVO_OUTPUT_FIRST; o <= SDVO_OUTPUT_LAST; o++) + { + u16 this_output = (1 << o); + if (sdvo_priv->caps.output_flags & this_output) { + intel_sdvo_set_target_output(output, this_output); + intel_sdvo_set_output_timing(output, &sdvo_priv->save_output_dtd[o]); + } + } + + if (sdvo_priv->caps.sdvo_inputs_mask & 0x1) { + intel_sdvo_set_target_input(output, true, false); + intel_sdvo_set_input_timing(output, &sdvo_priv->save_input_dtd_1); + } + + if (sdvo_priv->caps.sdvo_inputs_mask & 0x2) { + intel_sdvo_set_target_input(output, false, true); + intel_sdvo_set_input_timing(output, &sdvo_priv->save_input_dtd_2); + } + + intel_sdvo_set_clock_rate_mult(output, sdvo_priv->save_sdvo_mult); + + I915_WRITE(sdvo_priv->output_device, sdvo_priv->save_SDVOX); + + if (sdvo_priv->save_SDVOX & SDVO_ENABLE) + { + for (i = 0; i < 2; i++) + intel_wait_for_vblank(dev); + status = intel_sdvo_get_trained_inputs(output, &input1, &input2); + if (status == SDVO_CMD_STATUS_SUCCESS && !input1) + DRM_DEBUG("First %s output reported failure to sync\n", + SDVO_NAME(sdvo_priv)); + } + + intel_sdvo_set_active_outputs(output, sdvo_priv->save_active_outputs); +} + +static int intel_sdvo_mode_valid(struct drm_output *output, + struct drm_display_mode *mode) +{ + struct intel_output *intel_output = output->driver_private; + struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv; + + if (mode->flags & V_DBLSCAN) + return MODE_NO_DBLESCAN; + + if (sdvo_priv->pixel_clock_min > mode->clock) + return MODE_CLOCK_LOW; + + if (sdvo_priv->pixel_clock_max < mode->clock) + return MODE_CLOCK_HIGH; + + return MODE_OK; +} + +static bool intel_sdvo_get_capabilities(struct drm_output *output, struct intel_sdvo_caps *caps) +{ + u8 status; + + intel_sdvo_write_cmd(output, SDVO_CMD_GET_DEVICE_CAPS, NULL, 0); + status = intel_sdvo_read_response(output, caps, sizeof(*caps)); + if (status != SDVO_CMD_STATUS_SUCCESS) + return false; + + return true; +} + + +static void intel_sdvo_dump_cmd(struct drm_output *output, int opcode) +{ + + +} + +static void intel_sdvo_dump_device(struct drm_output *output) +{ + +} + +void intel_sdvo_dump(void) +{ + +} + + +static enum drm_output_status intel_sdvo_detect(struct drm_output *output) +{ + u8 response[2]; + u8 status; + + intel_sdvo_write_cmd(output, SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0); + status = intel_sdvo_read_response(output, &response, 2); + + DRM_DEBUG("SDVO response %d %d\n", response[0], response[1]); + if ((response[0] != 0) || (response[1] != 0)) + return output_status_connected; + else + return output_status_disconnected; +} + +static int intel_sdvo_get_modes(struct drm_output *output) +{ + /* set the bus switch and get the modes */ + intel_sdvo_set_control_bus_switch(output, SDVO_CONTROL_BUS_DDC2); + intel_ddc_get_modes(output); + + if (list_empty(&output->probed_modes)) + return 0; + return 1; +#if 0 + /* Mac mini hack. On this device, I get DDC through the analog, which + * load-detects as disconnected. I fail to DDC through the SDVO DDC, + * but it does load-detect as connected. So, just steal the DDC bits + * from analog when we fail at finding it the right way. + */ + /* TODO */ + return NULL; + + return NULL; +#endif +} + +static void intel_sdvo_destroy(struct drm_output *output) +{ + struct intel_output *intel_output = output->driver_private; + + if (intel_output->i2c_bus) + intel_i2c_destroy(intel_output->i2c_bus); + + if (intel_output) { + kfree(intel_output); + output->driver_private = NULL; + } +} + +static const struct drm_output_funcs intel_sdvo_output_funcs = { + .dpms = intel_sdvo_dpms, + .save = intel_sdvo_save, + .restore = intel_sdvo_restore, + .mode_valid = intel_sdvo_mode_valid, + .mode_fixup = intel_sdvo_mode_fixup, + .prepare = intel_output_prepare, + .mode_set = intel_sdvo_mode_set, + .commit = intel_output_commit, + .detect = intel_sdvo_detect, + .get_modes = intel_sdvo_get_modes, + .cleanup = intel_sdvo_destroy +}; + +void intel_sdvo_init(struct drm_device *dev, int output_device) +{ + struct drm_output *output; + struct intel_output *intel_output; + struct intel_sdvo_priv *sdvo_priv; + struct intel_i2c_chan *i2cbus = NULL; + u8 ch[0x40]; + int i; + char name[DRM_OUTPUT_LEN]; + char *name_prefix; + char *name_suffix; + + + output = drm_output_create(dev, &intel_sdvo_output_funcs, NULL); + if (!output) + return; + + intel_output = kcalloc(sizeof(struct intel_output)+sizeof(struct intel_sdvo_priv), 1, GFP_KERNEL); + if (!intel_output) { + drm_output_destroy(output); + return; + } + + sdvo_priv = (struct intel_sdvo_priv *)(intel_output + 1); + intel_output->type = INTEL_OUTPUT_SDVO; + output->driver_private = intel_output; + output->interlace_allowed = 0; + output->doublescan_allowed = 0; + + /* setup the DDC bus. */ + if (output_device == SDVOB) + i2cbus = intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOB"); + else + i2cbus = intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOC"); + + if (i2cbus == NULL) { + drm_output_destroy(output); + return; + } + + sdvo_priv->i2c_bus = i2cbus; + + if (output_device == SDVOB) { + name_suffix = "-1"; + sdvo_priv->i2c_bus->slave_addr = 0x38; + } else { + name_suffix = "-2"; + sdvo_priv->i2c_bus->slave_addr = 0x39; + } + + sdvo_priv->output_device = output_device; + intel_output->i2c_bus = i2cbus; + intel_output->dev_priv = sdvo_priv; + + + /* Read the regs to test if we can talk to the device */ + for (i = 0; i < 0x40; i++) { + if (!intel_sdvo_read_byte(output, i, &ch[i])) { + DRM_DEBUG("No SDVO device found on SDVO%c\n", + output_device == SDVOB ? 'B' : 'C'); + drm_output_destroy(output); + return; + } + } + + intel_sdvo_get_capabilities(output, &sdvo_priv->caps); + + memset(&sdvo_priv->active_outputs, 0, sizeof(sdvo_priv->active_outputs)); + + /* TODO, CVBS, SVID, YPRPB & SCART outputs. */ + if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_RGB0) + { + sdvo_priv->active_outputs = SDVO_OUTPUT_RGB0; + output->subpixel_order = SubPixelHorizontalRGB; + name_prefix="RGB"; + } + else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_RGB1) + { + sdvo_priv->active_outputs = SDVO_OUTPUT_RGB1; + output->subpixel_order = SubPixelHorizontalRGB; + name_prefix="RGB"; + } + else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_TMDS0) + { + sdvo_priv->active_outputs = SDVO_OUTPUT_TMDS0; + output->subpixel_order = SubPixelHorizontalRGB; + name_prefix="TMDS"; + } + else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_TMDS1) + { + sdvo_priv->active_outputs = SDVO_OUTPUT_TMDS1; + output->subpixel_order = SubPixelHorizontalRGB; + name_prefix="TMDS"; + } + else + { + unsigned char bytes[2]; + + memcpy (bytes, &sdvo_priv->caps.output_flags, 2); + DRM_DEBUG("%s: No active RGB or TMDS outputs (0x%02x%02x)\n", + SDVO_NAME(sdvo_priv), + bytes[0], bytes[1]); + drm_output_destroy(output); + return; + } + strcpy (name, name_prefix); + strcat (name, name_suffix); + if (!drm_output_rename(output, name)) + { + drm_output_destroy(output); + return; + } + + + /* Set the input timing to the screen. Assume always input 0. */ + intel_sdvo_set_target_input(output, true, false); + + intel_sdvo_get_input_pixel_clock_range(output, + &sdvo_priv->pixel_clock_min, + &sdvo_priv->pixel_clock_max); + + + DRM_DEBUG("%s device VID/DID: %02X:%02X.%02X, " + "clock range %dMHz - %dMHz, " + "input 1: %c, input 2: %c, " + "output 1: %c, output 2: %c\n", + SDVO_NAME(sdvo_priv), + sdvo_priv->caps.vendor_id, sdvo_priv->caps.device_id, + sdvo_priv->caps.device_rev_id, + sdvo_priv->pixel_clock_min / 1000, + sdvo_priv->pixel_clock_max / 1000, + (sdvo_priv->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N', + (sdvo_priv->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N', + /* check currently supported outputs */ + sdvo_priv->caps.output_flags & + (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N', + sdvo_priv->caps.output_flags & + (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N'); + + intel_output->ddc_bus = i2cbus; +} diff --git a/linux-core/intel_sdvo_regs.h b/linux-core/intel_sdvo_regs.h new file mode 100644 index 00000000..a9d16711 --- /dev/null +++ b/linux-core/intel_sdvo_regs.h @@ -0,0 +1,328 @@ +/* + * Copyright © 2006-2007 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Eric Anholt <eric@anholt.net> + */ + +/** + * @file SDVO command definitions and structures. + */ + +#define SDVO_OUTPUT_FIRST (0) +#define SDVO_OUTPUT_TMDS0 (1 << 0) +#define SDVO_OUTPUT_RGB0 (1 << 1) +#define SDVO_OUTPUT_CVBS0 (1 << 2) +#define SDVO_OUTPUT_SVID0 (1 << 3) +#define SDVO_OUTPUT_YPRPB0 (1 << 4) +#define SDVO_OUTPUT_SCART0 (1 << 5) +#define SDVO_OUTPUT_LVDS0 (1 << 6) +#define SDVO_OUTPUT_TMDS1 (1 << 8) +#define SDVO_OUTPUT_RGB1 (1 << 9) +#define SDVO_OUTPUT_CVBS1 (1 << 10) +#define SDVO_OUTPUT_SVID1 (1 << 11) +#define SDVO_OUTPUT_YPRPB1 (1 << 12) +#define SDVO_OUTPUT_SCART1 (1 << 13) +#define SDVO_OUTPUT_LVDS1 (1 << 14) +#define SDVO_OUTPUT_LAST (14) + +struct intel_sdvo_caps { + u8 vendor_id; + u8 device_id; + u8 device_rev_id; + u8 sdvo_version_major; + u8 sdvo_version_minor; + unsigned int sdvo_inputs_mask:2; + unsigned int smooth_scaling:1; + unsigned int sharp_scaling:1; + unsigned int up_scaling:1; + unsigned int down_scaling:1; + unsigned int stall_support:1; + unsigned int pad:1; + u16 output_flags; +} __attribute__((packed)); + +/** This matches the EDID DTD structure, more or less */ +struct intel_sdvo_dtd { + struct { + u16 clock; /**< pixel clock, in 10kHz units */ + u8 h_active; /**< lower 8 bits (pixels) */ + u8 h_blank; /**< lower 8 bits (pixels) */ + u8 h_high; /**< upper 4 bits each h_active, h_blank */ + u8 v_active; /**< lower 8 bits (lines) */ + u8 v_blank; /**< lower 8 bits (lines) */ + u8 v_high; /**< upper 4 bits each v_active, v_blank */ + } part1; + + struct { + u8 h_sync_off; /**< lower 8 bits, from hblank start */ + u8 h_sync_width; /**< lower 8 bits (pixels) */ + /** lower 4 bits each vsync offset, vsync width */ + u8 v_sync_off_width; + /** + * 2 high bits of hsync offset, 2 high bits of hsync width, + * bits 4-5 of vsync offset, and 2 high bits of vsync width. + */ + u8 sync_off_width_high; + u8 dtd_flags; + u8 sdvo_flags; + /** bits 6-7 of vsync offset at bits 6-7 */ + u8 v_sync_off_high; + u8 reserved; + } part2; +} __attribute__((packed)); + +struct intel_sdvo_pixel_clock_range { + u16 min; /**< pixel clock, in 10kHz units */ + u16 max; /**< pixel clock, in 10kHz units */ +} __attribute__((packed)); + +struct intel_sdvo_preferred_input_timing_args { + u16 clock; + u16 width; + u16 height; +} __attribute__((packed)); + +/* I2C registers for SDVO */ +#define SDVO_I2C_ARG_0 0x07 +#define SDVO_I2C_ARG_1 0x06 +#define SDVO_I2C_ARG_2 0x05 +#define SDVO_I2C_ARG_3 0x04 +#define SDVO_I2C_ARG_4 0x03 +#define SDVO_I2C_ARG_5 0x02 +#define SDVO_I2C_ARG_6 0x01 +#define SDVO_I2C_ARG_7 0x00 +#define SDVO_I2C_OPCODE 0x08 +#define SDVO_I2C_CMD_STATUS 0x09 +#define SDVO_I2C_RETURN_0 0x0a +#define SDVO_I2C_RETURN_1 0x0b +#define SDVO_I2C_RETURN_2 0x0c +#define SDVO_I2C_RETURN_3 0x0d +#define SDVO_I2C_RETURN_4 0x0e +#define SDVO_I2C_RETURN_5 0x0f +#define SDVO_I2C_RETURN_6 0x10 +#define SDVO_I2C_RETURN_7 0x11 +#define SDVO_I2C_VENDOR_BEGIN 0x20 + +/* Status results */ +#define SDVO_CMD_STATUS_POWER_ON 0x0 +#define SDVO_CMD_STATUS_SUCCESS 0x1 +#define SDVO_CMD_STATUS_NOTSUPP 0x2 +#define SDVO_CMD_STATUS_INVALID_ARG 0x3 +#define SDVO_CMD_STATUS_PENDING 0x4 +#define SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED 0x5 +#define SDVO_CMD_STATUS_SCALING_NOT_SUPP 0x6 + +/* SDVO commands, argument/result registers */ + +#define SDVO_CMD_RESET 0x01 + +/** Returns a struct intel_sdvo_caps */ +#define SDVO_CMD_GET_DEVICE_CAPS 0x02 + +#define SDVO_CMD_GET_FIRMWARE_REV 0x86 +# define SDVO_DEVICE_FIRMWARE_MINOR SDVO_I2C_RETURN_0 +# define SDVO_DEVICE_FIRMWARE_MAJOR SDVO_I2C_RETURN_1 +# define SDVO_DEVICE_FIRMWARE_PATCH SDVO_I2C_RETURN_2 + +/** + * Reports which inputs are trained (managed to sync). + * + * Devices must have trained within 2 vsyncs of a mode change. + */ +#define SDVO_CMD_GET_TRAINED_INPUTS 0x03 +struct intel_sdvo_get_trained_inputs_response { + unsigned int input0_trained:1; + unsigned int input1_trained:1; + unsigned int pad:6; +} __attribute__((packed)); + +/** Returns a struct intel_sdvo_output_flags of active outputs. */ +#define SDVO_CMD_GET_ACTIVE_OUTPUTS 0x04 + +/** + * Sets the current set of active outputs. + * + * Takes a struct intel_sdvo_output_flags. Must be preceded by a SET_IN_OUT_MAP + * on multi-output devices. + */ +#define SDVO_CMD_SET_ACTIVE_OUTPUTS 0x05 + +/** + * Returns the current mapping of SDVO inputs to outputs on the device. + * + * Returns two struct intel_sdvo_output_flags structures. + */ +#define SDVO_CMD_GET_IN_OUT_MAP 0x06 + +/** + * Sets the current mapping of SDVO inputs to outputs on the device. + * + * Takes two struct i380_sdvo_output_flags structures. + */ +#define SDVO_CMD_SET_IN_OUT_MAP 0x07 + +/** + * Returns a struct intel_sdvo_output_flags of attached displays. + */ +#define SDVO_CMD_GET_ATTACHED_DISPLAYS 0x0b + +/** + * Returns a struct intel_sdvo_ouptut_flags of displays supporting hot plugging. + */ +#define SDVO_CMD_GET_HOT_PLUG_SUPPORT 0x0c + +/** + * Takes a struct intel_sdvo_output_flags. + */ +#define SDVO_CMD_SET_ACTIVE_HOT_PLUG 0x0d + +/** + * Returns a struct intel_sdvo_output_flags of displays with hot plug + * interrupts enabled. + */ +#define SDVO_CMD_GET_ACTIVE_HOT_PLUG 0x0e + +#define SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE 0x0f +struct intel_sdvo_get_interrupt_event_source_response { + u16 interrupt_status; + unsigned int ambient_light_interrupt:1; + unsigned int pad:7; +} __attribute__((packed)); + +/** + * Selects which input is affected by future input commands. + * + * Commands affected include SET_INPUT_TIMINGS_PART[12], + * GET_INPUT_TIMINGS_PART[12], GET_PREFERRED_INPUT_TIMINGS_PART[12], + * GET_INPUT_PIXEL_CLOCK_RANGE, and CREATE_PREFERRED_INPUT_TIMINGS. + */ +#define SDVO_CMD_SET_TARGET_INPUT 0x10 +struct intel_sdvo_set_target_input_args { + unsigned int target_1:1; + unsigned int pad:7; +} __attribute__((packed)); + +/** + * Takes a struct intel_sdvo_output_flags of which outputs are targetted by + * future output commands. + * + * Affected commands inclue SET_OUTPUT_TIMINGS_PART[12], + * GET_OUTPUT_TIMINGS_PART[12], and GET_OUTPUT_PIXEL_CLOCK_RANGE. + */ +#define SDVO_CMD_SET_TARGET_OUTPUT 0x11 + +#define SDVO_CMD_GET_INPUT_TIMINGS_PART1 0x12 +#define SDVO_CMD_GET_INPUT_TIMINGS_PART2 0x13 +#define SDVO_CMD_SET_INPUT_TIMINGS_PART1 0x14 +#define SDVO_CMD_SET_INPUT_TIMINGS_PART2 0x15 +#define SDVO_CMD_SET_OUTPUT_TIMINGS_PART1 0x16 +#define SDVO_CMD_SET_OUTPUT_TIMINGS_PART2 0x17 +#define SDVO_CMD_GET_OUTPUT_TIMINGS_PART1 0x18 +#define SDVO_CMD_GET_OUTPUT_TIMINGS_PART2 0x19 +/* Part 1 */ +# define SDVO_DTD_CLOCK_LOW SDVO_I2C_ARG_0 +# define SDVO_DTD_CLOCK_HIGH SDVO_I2C_ARG_1 +# define SDVO_DTD_H_ACTIVE SDVO_I2C_ARG_2 +# define SDVO_DTD_H_BLANK SDVO_I2C_ARG_3 +# define SDVO_DTD_H_HIGH SDVO_I2C_ARG_4 +# define SDVO_DTD_V_ACTIVE SDVO_I2C_ARG_5 +# define SDVO_DTD_V_BLANK SDVO_I2C_ARG_6 +# define SDVO_DTD_V_HIGH SDVO_I2C_ARG_7 +/* Part 2 */ +# define SDVO_DTD_HSYNC_OFF SDVO_I2C_ARG_0 +# define SDVO_DTD_HSYNC_WIDTH SDVO_I2C_ARG_1 +# define SDVO_DTD_VSYNC_OFF_WIDTH SDVO_I2C_ARG_2 +# define SDVO_DTD_SYNC_OFF_WIDTH_HIGH SDVO_I2C_ARG_3 +# define SDVO_DTD_DTD_FLAGS SDVO_I2C_ARG_4 +# define SDVO_DTD_DTD_FLAG_INTERLACED (1 << 7) +# define SDVO_DTD_DTD_FLAG_STEREO_MASK (3 << 5) +# define SDVO_DTD_DTD_FLAG_INPUT_MASK (3 << 3) +# define SDVO_DTD_DTD_FLAG_SYNC_MASK (3 << 1) +# define SDVO_DTD_SDVO_FLAS SDVO_I2C_ARG_5 +# define SDVO_DTD_SDVO_FLAG_STALL (1 << 7) +# define SDVO_DTD_SDVO_FLAG_CENTERED (0 << 6) +# define SDVO_DTD_SDVO_FLAG_UPPER_LEFT (1 << 6) +# define SDVO_DTD_SDVO_FLAG_SCALING_MASK (3 << 4) +# define SDVO_DTD_SDVO_FLAG_SCALING_NONE (0 << 4) +# define SDVO_DTD_SDVO_FLAG_SCALING_SHARP (1 << 4) +# define SDVO_DTD_SDVO_FLAG_SCALING_SMOOTH (2 << 4) +# define SDVO_DTD_VSYNC_OFF_HIGH SDVO_I2C_ARG_6 + +/** + * Generates a DTD based on the given width, height, and flags. + * + * This will be supported by any device supporting scaling or interlaced + * modes. + */ +#define SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING 0x1a +# define SDVO_PREFERRED_INPUT_TIMING_CLOCK_LOW SDVO_I2C_ARG_0 +# define SDVO_PREFERRED_INPUT_TIMING_CLOCK_HIGH SDVO_I2C_ARG_1 +# define SDVO_PREFERRED_INPUT_TIMING_WIDTH_LOW SDVO_I2C_ARG_2 +# define SDVO_PREFERRED_INPUT_TIMING_WIDTH_HIGH SDVO_I2C_ARG_3 +# define SDVO_PREFERRED_INPUT_TIMING_HEIGHT_LOW SDVO_I2C_ARG_4 +# define SDVO_PREFERRED_INPUT_TIMING_HEIGHT_HIGH SDVO_I2C_ARG_5 +# define SDVO_PREFERRED_INPUT_TIMING_FLAGS SDVO_I2C_ARG_6 +# define SDVO_PREFERRED_INPUT_TIMING_FLAGS_INTERLACED (1 << 0) +# define SDVO_PREFERRED_INPUT_TIMING_FLAGS_SCALED (1 << 1) + +#define SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1 0x1b +#define SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2 0x1c + +/** Returns a struct intel_sdvo_pixel_clock_range */ +#define SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE 0x1d +/** Returns a struct intel_sdvo_pixel_clock_range */ +#define SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE 0x1e + +/** Returns a byte bitfield containing SDVO_CLOCK_RATE_MULT_* flags */ +#define SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS 0x1f + +/** Returns a byte containing a SDVO_CLOCK_RATE_MULT_* flag */ +#define SDVO_CMD_GET_CLOCK_RATE_MULT 0x20 +/** Takes a byte containing a SDVO_CLOCK_RATE_MULT_* flag */ +#define SDVO_CMD_SET_CLOCK_RATE_MULT 0x21 +# define SDVO_CLOCK_RATE_MULT_1X (1 << 0) +# define SDVO_CLOCK_RATE_MULT_2X (1 << 1) +# define SDVO_CLOCK_RATE_MULT_4X (1 << 3) + +#define SDVO_CMD_GET_SUPPORTED_TV_FORMATS 0x27 + +#define SDVO_CMD_GET_TV_FORMAT 0x28 + +#define SDVO_CMD_SET_TV_FORMAT 0x29 + +#define SDVO_CMD_GET_SUPPORTED_POWER_STATES 0x2a +#define SDVO_CMD_GET_ENCODER_POWER_STATE 0x2b +#define SDVO_CMD_SET_ENCODER_POWER_STATE 0x2c +# define SDVO_ENCODER_STATE_ON (1 << 0) +# define SDVO_ENCODER_STATE_STANDBY (1 << 1) +# define SDVO_ENCODER_STATE_SUSPEND (1 << 2) +# define SDVO_ENCODER_STATE_OFF (1 << 3) + +#define SDVO_CMD_SET_TV_RESOLUTION_SUPPORT 0x93 + +#define SDVO_CMD_SET_CONTROL_BUS_SWITCH 0x7a +# define SDVO_CONTROL_BUS_PROM 0x0 +# define SDVO_CONTROL_BUS_DDC1 0x1 +# define SDVO_CONTROL_BUS_DDC2 0x2 +# define SDVO_CONTROL_BUS_DDC3 0x3 + diff --git a/shared-core/drm.h b/shared-core/drm.h index ae88ce61..5c8acfa6 100644 --- a/shared-core/drm.h +++ b/shared-core/drm.h @@ -257,7 +257,8 @@ enum drm_map_flags { _DRM_KERNEL = 0x08, /**< kernel requires access */ _DRM_WRITE_COMBINING = 0x10, /**< use write-combining if available */ _DRM_CONTAINS_LOCK = 0x20, /**< SHM page that contains lock */ - _DRM_REMOVABLE = 0x40 /**< Removable mapping */ + _DRM_REMOVABLE = 0x40, /**< Removable mapping */ + _DRM_DRIVER = 0x80 /**< Driver will take care of it */ }; struct drm_ctx_priv_map { @@ -894,6 +895,99 @@ struct drm_mm_init_arg { uint64_t p_size; }; +/* + * Drm mode setting + */ +#define DRM_DISPLAY_INFO_LEN 32 +#define DRM_OUTPUT_NAME_LEN 32 +#define DRM_DISPLAY_MODE_LEN 32 + +struct drm_mode_modeinfo { + + unsigned int id; + + unsigned int clock; + unsigned short hdisplay, hsync_start, hsync_end, htotal, hskew; + unsigned short vdisplay, vsync_start, vsync_end, vtotal, vscan; + + unsigned int vrefresh; /* vertical refresh * 1000 */ + + unsigned int flags; + + char name[DRM_DISPLAY_MODE_LEN]; +}; + +struct drm_mode_card_res { + + int count_fbs; + unsigned int __user *fb_id; + + int count_crtcs; + unsigned int __user *crtc_id; + + int count_outputs; + unsigned int __user *output_id; + + int count_modes; + struct drm_mode_modeinfo __user *modes; + +}; + +struct drm_mode_crtc { + unsigned int crtc_id; /**< Id */ + unsigned int fb_id; /**< Id of framebuffer */ + + int x, y; /**< Position on the frameuffer */ + + unsigned int mode; /**< Current mode used */ + + int count_outputs; + unsigned int outputs; /**< Outputs that are connected */ + + int count_possibles; + unsigned int possibles; /**< Outputs that can be connected */ + + unsigned int __user *set_outputs; /**< Outputs to be connected */ + + int gamma_size; + +}; + +struct drm_mode_get_output { + + unsigned int output; /**< Id */ + unsigned int crtc; /**< Id of crtc */ + unsigned char name[DRM_OUTPUT_NAME_LEN]; + + unsigned int connection; + unsigned int mm_width, mm_height; /**< HxW in millimeters */ + unsigned int subpixel; + + int count_crtcs; + unsigned int crtcs; /**< possible crtc to connect to */ + + int count_clones; + unsigned int clones; /**< list of clones */ + + int count_modes; + unsigned int __user *modes; /**< list of modes it supports */ + +}; + +struct drm_mode_fb_cmd { + unsigned int buffer_id; + unsigned int width, height; + unsigned int pitch; + unsigned int bpp; + unsigned int handle; + unsigned int depth; +}; + +struct drm_mode_mode_cmd { + unsigned int output_id; + unsigned int mode_id; +}; + /** * \name Ioctls Definitions */ @@ -986,6 +1080,18 @@ struct drm_mm_init_arg { #define DRM_IOCTL_BO_VERSION DRM_IOR(0xd6, struct drm_bo_version_arg) +#define DRM_IOCTL_MODE_GETRESOURCES DRM_IOWR(0xA0, struct drm_mode_card_res) +#define DRM_IOCTL_MODE_GETCRTC DRM_IOWR(0xA1, struct drm_mode_crtc) +#define DRM_IOCTL_MODE_GETOUTPUT DRM_IOWR(0xA2, struct drm_mode_get_output) +#define DRM_IOCTL_MODE_SETCRTC DRM_IOWR(0xA3, struct drm_mode_crtc) +#define DRM_IOCTL_MODE_ADDFB DRM_IOWR(0xA4, struct drm_mode_fb_cmd) +#define DRM_IOCTL_MODE_RMFB DRM_IOWR(0xA5, unsigned int) +#define DRM_IOCTL_MODE_GETFB DRM_IOWR(0xA6, struct drm_mode_fb_cmd) + +#define DRM_IOCTL_MODE_ADDMODE DRM_IOWR(0xA7, struct drm_mode_modeinfo) +#define DRM_IOCTL_MODE_RMMODE DRM_IOWR(0xA8, unsigned int) +#define DRM_IOCTL_MODE_ATTACHMODE DRM_IOWR(0xA9, struct drm_mode_mode_cmd) +#define DRM_IOCTL_MODE_DETACHMODE DRM_IOWR(0xAA, struct drm_mode_mode_cmd) /*@}*/ /** diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c index b1168635..07b3a35b 100644 --- a/shared-core/i915_dma.c +++ b/shared-core/i915_dma.c @@ -31,17 +31,6 @@ #include "i915_drm.h" #include "i915_drv.h" -#define IS_I965G(dev) (dev->pci_device == 0x2972 || \ - dev->pci_device == 0x2982 || \ - dev->pci_device == 0x2992 || \ - dev->pci_device == 0x29A2 || \ - dev->pci_device == 0x2A02 || \ - dev->pci_device == 0x2A12) - -#define IS_G33(dev) (dev->pci_device == 0x29C2 || \ - dev->pci_device == 0x29B2 || \ - dev->pci_device == 0x29D2) - /* Really want an OS-independent resettable timer. Would like to have * this loop run for (eg) 3 sec, but have the timer reset every time * the head pointer changes, so that EBUSY only happens if the ring @@ -49,8 +38,8 @@ */ int i915_wait_ring(struct drm_device * dev, int n, const char *caller) { - drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_ring_buffer_t *ring = &(dev_priv->ring); + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_ring_buffer *ring = &(dev_priv->ring); u32 last_head = I915_READ(LP_RING + RING_HEAD) & HEAD_ADDR; int i; @@ -76,8 +65,8 @@ int i915_wait_ring(struct drm_device * dev, int n, const char *caller) void i915_kernel_lost_context(struct drm_device * dev) { - drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_ring_buffer_t *ring = &(dev_priv->ring); + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_ring_buffer *ring = &(dev_priv->ring); ring->head = I915_READ(LP_RING + RING_HEAD) & HEAD_ADDR; ring->tail = I915_READ(LP_RING + RING_TAIL) & TAIL_ADDR; @@ -89,8 +78,10 @@ void i915_kernel_lost_context(struct drm_device * dev) dev_priv->sarea_priv->perf_boxes |= I915_BOX_RING_EMPTY; } -static int i915_dma_cleanup(struct drm_device * dev) +int i915_dma_cleanup(struct drm_device * dev) { + struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private; + /* Make sure interrupts are disabled here because the uninstall ioctl * may not have been called from userspace and after dev_private * is freed, it's too late. @@ -98,38 +89,14 @@ static int i915_dma_cleanup(struct drm_device * dev) if (dev->irq) drm_irq_uninstall(dev); - if (dev->dev_private) { - drm_i915_private_t *dev_priv = - (drm_i915_private_t *) dev->dev_private; - - if (dev_priv->ring.virtual_start) { - drm_core_ioremapfree(&dev_priv->ring.map, dev); - } - - if (dev_priv->status_page_dmah) { - drm_pci_free(dev, dev_priv->status_page_dmah); - /* Need to rewrite hardware status page */ - I915_WRITE(0x02080, 0x1ffff000); - } - if (dev_priv->status_gfx_addr) { - dev_priv->status_gfx_addr = 0; - drm_core_ioremapfree(&dev_priv->hws_map, dev); - I915_WRITE(0x02080, 0x1ffff000); - } - drm_free(dev->dev_private, sizeof(drm_i915_private_t), - DRM_MEM_DRIVER); - - dev->dev_private = NULL; - } - return 0; } static int i915_initialize(struct drm_device * dev, - drm_i915_private_t * dev_priv, - drm_i915_init_t * init) + struct drm_i915_private * dev_priv, + struct drm_i915_init * init) { - memset(dev_priv, 0, sizeof(drm_i915_private_t)); + memset(dev_priv, 0, sizeof(struct drm_i915_private)); dev_priv->sarea = drm_getsarea(dev); if (!dev_priv->sarea) { @@ -219,7 +186,7 @@ static int i915_initialize(struct drm_device * dev, static int i915_dma_resume(struct drm_device * dev) { - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private; DRM_DEBUG("%s\n", __FUNCTION__); @@ -258,13 +225,13 @@ static int i915_dma_resume(struct drm_device * dev) static int i915_dma_init(struct drm_device *dev, void *data, struct drm_file *file_priv) { - drm_i915_private_t *dev_priv; - drm_i915_init_t *init = data; + struct drm_i915_private *dev_priv; + struct drm_i915_init *init = data; int retcode = 0; switch (init->func) { case I915_INIT_DMA: - dev_priv = drm_alloc(sizeof(drm_i915_private_t), + dev_priv = drm_alloc(sizeof(struct drm_i915_private), DRM_MEM_DRIVER); if (dev_priv == NULL) return -ENOMEM; @@ -363,7 +330,7 @@ static int validate_cmd(int cmd) static int i915_emit_cmds(struct drm_device * dev, int __user * buffer, int dwords) { - drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = dev->dev_private; int i; RING_LOCALS; @@ -404,7 +371,7 @@ static int i915_emit_box(struct drm_device * dev, struct drm_clip_rect __user * boxes, int i, int DR1, int DR4) { - drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = dev->dev_private; struct drm_clip_rect box; RING_LOCALS; @@ -445,7 +412,7 @@ static int i915_emit_box(struct drm_device * dev, void i915_emit_breadcrumb(struct drm_device *dev) { - drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = dev->dev_private; RING_LOCALS; if (++dev_priv->counter > BREADCRUMB_MASK) { @@ -466,7 +433,7 @@ void i915_emit_breadcrumb(struct drm_device *dev) int i915_emit_mi_flush(struct drm_device *dev, uint32_t flush) { - drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = dev->dev_private; uint32_t flush_cmd = CMD_MI_FLUSH; RING_LOCALS; @@ -486,10 +453,10 @@ int i915_emit_mi_flush(struct drm_device *dev, uint32_t flush) static int i915_dispatch_cmdbuffer(struct drm_device * dev, - drm_i915_cmdbuffer_t * cmd) + struct drm_i915_cmdbuffer * cmd) { #ifdef I915_HAVE_FENCE - drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = dev->dev_private; #endif int nbox = cmd->num_cliprects; int i = 0, count, ret; @@ -526,7 +493,7 @@ static int i915_dispatch_cmdbuffer(struct drm_device * dev, static int i915_dispatch_batchbuffer(struct drm_device * dev, drm_i915_batchbuffer_t * batch) { - drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = dev->dev_private; struct drm_clip_rect __user *boxes = batch->cliprects; int nbox = batch->num_cliprects; int i = 0, count; @@ -579,7 +546,7 @@ static int i915_dispatch_batchbuffer(struct drm_device * dev, static void i915_do_dispatch_flip(struct drm_device * dev, int plane, int sync) { - drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = dev->dev_private; u32 num_pages, current_page, next_page, dspbase; int shift = 2 * plane, x, y; RING_LOCALS; @@ -631,7 +598,7 @@ static void i915_do_dispatch_flip(struct drm_device * dev, int plane, int sync) void i915_dispatch_flip(struct drm_device * dev, int planes, int sync) { - drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = dev->dev_private; int i; DRM_DEBUG("%s: planes=0x%x pfCurrentPage=%d\n", @@ -653,7 +620,7 @@ void i915_dispatch_flip(struct drm_device * dev, int planes, int sync) static int i915_quiescent(struct drm_device * dev) { - drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = dev->dev_private; i915_kernel_lost_context(dev); return i915_wait_ring(dev, dev_priv->ring.Size - 8, __FUNCTION__); @@ -671,7 +638,7 @@ static int i915_flush_ioctl(struct drm_device *dev, void *data, static int i915_batchbuffer(struct drm_device *dev, void *data, struct drm_file *file_priv) { - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private; drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) dev_priv->sarea_priv; drm_i915_batchbuffer_t *batch = data; @@ -701,10 +668,10 @@ static int i915_batchbuffer(struct drm_device *dev, void *data, static int i915_cmdbuffer(struct drm_device *dev, void *data, struct drm_file *file_priv) { - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) + struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private; + struct drm_i915_sarea *sarea_priv = (struct drm_i915_sarea *) dev_priv->sarea_priv; - drm_i915_cmdbuffer_t *cmdbuf = data; + struct drm_i915_cmdbuffer *cmdbuf = data; int ret; DRM_DEBUG("i915 cmdbuffer, buf %p sz %d cliprects %d\n", @@ -1011,11 +978,11 @@ out_err: static int i915_execbuffer(struct drm_device *dev, void *data, struct drm_file *file_priv) { - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private; drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) dev_priv->sarea_priv; struct drm_i915_execbuffer *exec_buf = data; - struct _drm_i915_batchbuffer *batch = &exec_buf->batch; + struct drm_i915_batchbuffer *batch = &exec_buf->batch; struct drm_fence_arg *fence_arg = &exec_buf->fence_arg; int num_buffers; int ret; @@ -1113,14 +1080,14 @@ out_free: } #endif -static int i915_do_cleanup_pageflip(struct drm_device * dev) +int i915_do_cleanup_pageflip(struct drm_device * dev) { - drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = dev->dev_private; int i, planes, num_pages = dev_priv->sarea_priv->third_handle ? 3 : 2; DRM_DEBUG("%s\n", __FUNCTION__); - for (i = 0, planes = 0; i < 2; i++) + for (i = 0, planes = 0; i < 2; i++) { if (dev_priv->sarea_priv->pf_current_page & (0x3 << (2 * i))) { dev_priv->sarea_priv->pf_current_page = (dev_priv->sarea_priv->pf_current_page & @@ -1128,6 +1095,7 @@ static int i915_do_cleanup_pageflip(struct drm_device * dev) planes |= 1 << i; } + } if (planes) i915_dispatch_flip(dev, planes, 0); @@ -1137,7 +1105,7 @@ static int i915_do_cleanup_pageflip(struct drm_device * dev) static int i915_flip_bufs(struct drm_device *dev, void *data, struct drm_file *file_priv) { - drm_i915_flip_t *param = data; + struct drm_i915_flip *param = data; DRM_DEBUG("%s\n", __FUNCTION__); @@ -1159,8 +1127,8 @@ static int i915_flip_bufs(struct drm_device *dev, void *data, struct drm_file *f static int i915_getparam(struct drm_device *dev, void *data, struct drm_file *file_priv) { - drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_getparam_t *param = data; + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_getparam *param = data; int value; if (!dev_priv) { @@ -1194,7 +1162,7 @@ static int i915_getparam(struct drm_device *dev, void *data, static int i915_setparam(struct drm_device *dev, void *data, struct drm_file *file_priv) { - drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = dev->dev_private; drm_i915_setparam_t *param = data; if (!dev_priv) { @@ -1234,7 +1202,7 @@ static int i915_mmio(struct drm_device *dev, void *data, struct drm_file *file_priv) { uint32_t buf[8]; - drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = dev->dev_private; drm_i915_mmio_entry_t *e; drm_i915_mmio_t *mmio = data; void __iomem *base; @@ -1280,7 +1248,7 @@ static int i915_mmio(struct drm_device *dev, void *data, static int i915_set_status_page(struct drm_device *dev, void *data, struct drm_file *file_priv) { - drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = dev->dev_private; drm_i915_hws_addr_t *hws = data; if (!dev_priv) { @@ -1309,43 +1277,13 @@ static int i915_set_status_page(struct drm_device *dev, void *data, dev_priv->hw_status_page = dev_priv->hws_map.handle; memset(dev_priv->hw_status_page, 0, PAGE_SIZE); - I915_WRITE(0x02080, dev_priv->status_gfx_addr); + I915_WRITE(I915REG_HWS_PGA, dev_priv->status_gfx_addr); DRM_DEBUG("load hws 0x2080 with gfx mem 0x%x\n", dev_priv->status_gfx_addr); DRM_DEBUG("load hws at %p\n", dev_priv->hw_status_page); return 0; } -int i915_driver_load(struct drm_device *dev, unsigned long flags) -{ - /* i915 has 4 more counters */ - dev->counters += 4; - dev->types[6] = _DRM_STAT_IRQ; - dev->types[7] = _DRM_STAT_PRIMARY; - dev->types[8] = _DRM_STAT_SECONDARY; - dev->types[9] = _DRM_STAT_DMA; - - return 0; -} - -void i915_driver_lastclose(struct drm_device * dev) -{ - if (dev->dev_private) { - drm_i915_private_t *dev_priv = dev->dev_private; - i915_do_cleanup_pageflip(dev); - i915_mem_takedown(&(dev_priv->agp_heap)); - } - i915_dma_cleanup(dev); -} - -void i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv) -{ - if (dev->dev_private) { - drm_i915_private_t *dev_priv = dev->dev_private; - i915_mem_release(dev, file_priv, dev_priv->agp_heap); - } -} - struct drm_ioctl_desc i915_ioctls[] = { DRM_IOCTL_DEF(DRM_I915_INIT, i915_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), DRM_IOCTL_DEF(DRM_I915_FLUSH, i915_flush_ioctl, DRM_AUTH), @@ -1388,10 +1326,4 @@ int i915_driver_device_is_agp(struct drm_device * dev) return 1; } -int i915_driver_firstopen(struct drm_device *dev) -{ -#ifdef I915_HAVE_BUFFER - drm_bo_driver_init(dev); -#endif - return 0; -} + diff --git a/shared-core/i915_drm.h b/shared-core/i915_drm.h index a6c3cf30..e517fac0 100644 --- a/shared-core/i915_drm.h +++ b/shared-core/i915_drm.h @@ -39,7 +39,7 @@ * of chars for next/prev indices */ #define I915_LOG_MIN_TEX_REGION_SIZE 14 -typedef struct _drm_i915_init { +typedef struct drm_i915_init { enum { I915_INIT_DMA = 0x01, I915_CLEANUP_DMA = 0x02, @@ -63,7 +63,7 @@ typedef struct _drm_i915_init { unsigned int chipset; } drm_i915_init_t; -typedef struct _drm_i915_sarea { +typedef struct drm_i915_sarea { struct drm_tex_region texList[I915_NR_TEX_REGIONS + 1]; int last_upload; /* last time texture was uploaded */ int last_enqueue; /* last time a buffer was enqueued */ @@ -195,7 +195,7 @@ typedef struct drm_i915_flip { /* Allow drivers to submit batchbuffers directly to hardware, relying * on the security mechanisms provided by hardware. */ -typedef struct _drm_i915_batchbuffer { +typedef struct drm_i915_batchbuffer { int start; /* agp offset */ int used; /* nr bytes in use */ int DR1; /* hw flags for GFX_OP_DRAWRECT_INFO */ @@ -207,7 +207,7 @@ typedef struct _drm_i915_batchbuffer { /* As above, but pass a pointer to userspace buffer which can be * validated by the kernel prior to sending to hardware. */ -typedef struct _drm_i915_cmdbuffer { +typedef struct drm_i915_cmdbuffer { char __user *buf; /* pointer to userspace command buffer */ int sz; /* nr bytes in buf */ int DR1; /* hw flags for GFX_OP_DRAWRECT_INFO */ @@ -358,7 +358,7 @@ struct drm_i915_op_arg { struct drm_i915_execbuffer { uint64_t ops_list; uint32_t num_buffers; - struct _drm_i915_batchbuffer batch; + struct drm_i915_batchbuffer batch; struct drm_fence_arg fence_arg; }; diff --git a/shared-core/i915_drv.h b/shared-core/i915_drv.h index 817288b6..be3212d1 100644 --- a/shared-core/i915_drv.h +++ b/shared-core/i915_drv.h @@ -70,7 +70,7 @@ #define I915_MAX_VALIDATE_BUFFERS 4096 #endif -typedef struct _drm_i915_ring_buffer { +struct drm_i915_ring_buffer { int tail_mask; unsigned long Start; unsigned long End; @@ -80,7 +80,7 @@ typedef struct _drm_i915_ring_buffer { int tail; int space; drm_local_map_t map; -} drm_i915_ring_buffer_t; +}; struct mem_block { struct mem_block *next; @@ -90,22 +90,26 @@ struct mem_block { struct drm_file *file_priv; /* NULL: free, -1: heap, other: real files */ }; -typedef struct _drm_i915_vbl_swap { +struct drm_i915_vbl_swap { struct list_head head; drm_drawable_t drw_id; unsigned int plane; unsigned int sequence; int flip; -} drm_i915_vbl_swap_t; +}; -typedef struct drm_i915_private { +struct drm_i915_private { + struct drm_buffer_object *ring_buffer; drm_local_map_t *sarea; drm_local_map_t *mmio_map; - drm_i915_sarea_t *sarea_priv; - drm_i915_ring_buffer_t ring; + unsigned long mmiobase; + unsigned long mmiolen; + + struct drm_i915_sarea *sarea_priv; + struct drm_i915_ring_buffer ring; - drm_dma_handle_t *status_page_dmah; + struct drm_dma_handle *status_page_dmah; void *hw_status_page; dma_addr_t dma_status_page; uint32_t counter; @@ -143,10 +147,70 @@ typedef struct drm_i915_private { #endif DRM_SPINTYPE swaps_lock; - drm_i915_vbl_swap_t vbl_swaps; + struct drm_i915_vbl_swap vbl_swaps; unsigned int swaps_pending; -} drm_i915_private_t; + /* LVDS info */ + int backlight_duty_cycle; /* restore backlight to this value */ + bool panel_wants_dither; + struct drm_display_mode *panel_fixed_mode; + + /* Register state */ + u32 saveDSPACNTR; + u32 saveDSPBCNTR; + u32 savePIPEACONF; + u32 savePIPEBCONF; + u32 savePIPEASRC; + u32 savePIPEBSRC; + u32 saveFPA0; + u32 saveFPA1; + u32 saveDPLL_A; + u32 saveDPLL_A_MD; + u32 saveHTOTAL_A; + u32 saveHBLANK_A; + u32 saveHSYNC_A; + u32 saveVTOTAL_A; + u32 saveVBLANK_A; + u32 saveVSYNC_A; + u32 saveDSPASTRIDE; + u32 saveDSPASIZE; + u32 saveDSPAPOS; + u32 saveDSPABASE; + u32 saveDSPASURF; + u32 saveFPB0; + u32 saveFPB1; + u32 saveDPLL_B; + u32 saveDPLL_B_MD; + u32 saveHTOTAL_B; + u32 saveHBLANK_B; + u32 saveHSYNC_B; + u32 saveVTOTAL_B; + u32 saveVBLANK_B; + u32 saveVSYNC_B; + u32 saveDSPBSTRIDE; + u32 saveDSPBSIZE; + u32 saveDSPBPOS; + u32 saveDSPBBASE; + u32 saveDSPBSURF; + u32 saveVCLK_DIVISOR_VGA0; + u32 saveVCLK_DIVISOR_VGA1; + u32 saveVCLK_POST_DIV; + u32 saveVGACNTRL; + u32 saveADPA; + u32 saveLVDS; + u32 saveDVOA; + u32 saveDVOB; + u32 saveDVOC; + u32 savePP_ON; + u32 savePP_OFF; + u32 savePP_CONTROL; + u32 savePP_CYCLE; + u32 savePFIT_CONTROL; + u32 savePaletteA[256]; + u32 savePaletteB[256]; + u32 saveSWF[17]; + u32 saveBLC_PWM_CTL; +}; enum intel_chip_family { CHIP_I8XX = 0x01, @@ -161,6 +225,7 @@ extern int i915_max_ioctl; /* i915_dma.c */ extern void i915_kernel_lost_context(struct drm_device * dev); extern int i915_driver_load(struct drm_device *, unsigned long flags); +extern int i915_driver_unload(struct drm_device *dev); extern void i915_driver_lastclose(struct drm_device * dev); extern void i915_driver_preclose(struct drm_device *dev, struct drm_file *file_priv); @@ -171,6 +236,8 @@ extern void i915_emit_breadcrumb(struct drm_device *dev); extern void i915_dispatch_flip(struct drm_device * dev, int pipes, int sync); extern int i915_emit_mi_flush(struct drm_device *dev, uint32_t flush); extern int i915_driver_firstopen(struct drm_device *dev); +extern int i915_do_cleanup_pageflip(struct drm_device *dev); +extern int i915_dma_cleanup(struct drm_device *dev); /* i915_irq.c */ extern int i915_irq_emit(struct drm_device *dev, void *data, @@ -178,6 +245,7 @@ extern int i915_irq_emit(struct drm_device *dev, void *data, extern int i915_irq_wait(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern void i915_driver_wait_next_vblank(struct drm_device *dev, int pipe); extern int i915_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence); extern int i915_driver_vblank_wait2(struct drm_device *dev, unsigned int *sequence); extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS); @@ -189,8 +257,9 @@ extern int i915_vblank_pipe_set(struct drm_device *dev, void *data, extern int i915_vblank_pipe_get(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int i915_emit_irq(struct drm_device * dev); -extern void i915_user_irq_on(drm_i915_private_t *dev_priv); -extern void i915_user_irq_off(drm_i915_private_t *dev_priv); +extern void i915_user_irq_on(struct drm_i915_private *dev_priv); +extern void i915_user_irq_off(struct drm_i915_private *dev_priv); +extern void i915_enable_interrupt (struct drm_device *dev); extern int i915_vblank_swap(struct drm_device *dev, void *data, struct drm_file *file_priv); @@ -234,6 +303,12 @@ extern int i915_move(struct drm_buffer_object *bo, int evict, #endif + +/* modesetting */ +extern void intel_modeset_init(struct drm_device *dev); +extern void intel_modeset_cleanup(struct drm_device *dev); + + #define I915_READ(reg) DRM_READ32(dev_priv->mmio_map, (reg)) #define I915_WRITE(reg,val) DRM_WRITE32(dev_priv->mmio_map, (reg), (val)) #define I915_READ16(reg) DRM_READ16(dev_priv->mmio_map, (reg)) @@ -271,8 +346,31 @@ extern int i915_move(struct drm_buffer_object *bo, int evict, I915_WRITE(LP_RING + RING_TAIL, outring); \ } while(0) +#define MI_NOOP (0x00 << 23) + extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); +/* + * The Bridge device's PCI config space has information about the + * fb aperture size and the amount of pre-reserved memory. + */ +#define INTEL_GMCH_CTRL 0x52 +#define INTEL_GMCH_ENABLED 0x4 +#define INTEL_GMCH_MEM_MASK 0x1 +#define INTEL_GMCH_MEM_64M 0x1 +#define INTEL_GMCH_MEM_128M 0 + +#define INTEL_855_GMCH_GMS_MASK (0x7 << 4) +#define INTEL_855_GMCH_GMS_DISABLED (0x0 << 4) +#define INTEL_855_GMCH_GMS_STOLEN_1M (0x1 << 4) +#define INTEL_855_GMCH_GMS_STOLEN_4M (0x2 << 4) +#define INTEL_855_GMCH_GMS_STOLEN_8M (0x3 << 4) +#define INTEL_855_GMCH_GMS_STOLEN_16M (0x4 << 4) +#define INTEL_855_GMCH_GMS_STOLEN_32M (0x5 << 4) + +#define INTEL_915G_GMCH_GMS_STOLEN_48M (0x6 << 4) +#define INTEL_915G_GMCH_GMS_STOLEN_64M (0x7 << 4) + #define GFX_OP_USER_INTERRUPT ((0<<29)|(2<<23)) #define GFX_OP_BREAKPOINT_INTERRUPT ((0<<29)|(1<<23)) #define CMD_REPORT_HEAD (7<<23) @@ -295,6 +393,8 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); #define BB1_UNPROTECTED (0<<0) #define BB2_END_ADDR_MASK (~0x7) +#define I915REG_HWS_PGA 0x02080 + /* Interrupt bits: */ #define USER_INT_FLAG (1<<1) @@ -314,6 +414,63 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); #define I915_VBLANK_INTERRUPT_ENABLE (1UL<<17) #define I915_VBLANK_CLEAR (1UL<<1) +#define GPIOA 0x5010 +#define GPIOB 0x5014 +#define GPIOC 0x5018 +#define GPIOD 0x501c +#define GPIOE 0x5020 +#define GPIOF 0x5024 +#define GPIOG 0x5028 +#define GPIOH 0x502c +# define GPIO_CLOCK_DIR_MASK (1 << 0) +# define GPIO_CLOCK_DIR_IN (0 << 1) +# define GPIO_CLOCK_DIR_OUT (1 << 1) +# define GPIO_CLOCK_VAL_MASK (1 << 2) +# define GPIO_CLOCK_VAL_OUT (1 << 3) +# define GPIO_CLOCK_VAL_IN (1 << 4) +# define GPIO_CLOCK_PULLUP_DISABLE (1 << 5) +# define GPIO_DATA_DIR_MASK (1 << 8) +# define GPIO_DATA_DIR_IN (0 << 9) +# define GPIO_DATA_DIR_OUT (1 << 9) +# define GPIO_DATA_VAL_MASK (1 << 10) +# define GPIO_DATA_VAL_OUT (1 << 11) +# define GPIO_DATA_VAL_IN (1 << 12) +# define GPIO_DATA_PULLUP_DISABLE (1 << 13) + +/* p317, 319 + */ +#define VCLK2_VCO_M 0x6008 /* treat as 16 bit? (includes msbs) */ +#define VCLK2_VCO_N 0x600a +#define VCLK2_VCO_DIV_SEL 0x6012 + +#define VCLK_DIVISOR_VGA0 0x6000 +#define VCLK_DIVISOR_VGA1 0x6004 +#define VCLK_POST_DIV 0x6010 +/** Selects a post divisor of 4 instead of 2. */ +# define VGA1_PD_P2_DIV_4 (1 << 15) +/** Overrides the p2 post divisor field */ +# define VGA1_PD_P1_DIV_2 (1 << 13) +# define VGA1_PD_P1_SHIFT 8 +/** P1 value is 2 greater than this field */ +# define VGA1_PD_P1_MASK (0x1f << 8) +/** Selects a post divisor of 4 instead of 2. */ +# define VGA0_PD_P2_DIV_4 (1 << 7) +/** Overrides the p2 post divisor field */ +# define VGA0_PD_P1_DIV_2 (1 << 5) +# define VGA0_PD_P1_SHIFT 0 +/** P1 value is 2 greater than this field */ +# define VGA0_PD_P1_MASK (0x1f << 0) + +#define POST_DIV_SELECT 0x70 +#define POST_DIV_1 0x00 +#define POST_DIV_2 0x10 +#define POST_DIV_4 0x20 +#define POST_DIV_8 0x30 +#define POST_DIV_16 0x40 +#define POST_DIV_32 0x50 +#define VCO_LOOP_DIV_BY_4M 0x00 +#define VCO_LOOP_DIV_BY_16M 0x04 + #define SRX_INDEX 0x3c4 #define SRX_DATA 0x3c5 #define SR01 1 @@ -322,6 +479,8 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); #define PPCR 0x61204 #define PPCR_ON (1<<0) +#define DVOA 0x61120 +#define DVOA_ON (1<<31) #define DVOB 0x61140 #define DVOB_ON (1<<31) #define DVOC 0x61160 @@ -478,8 +637,14 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); #define SRC_COPY_BLT_CMD ((2<<29)|(0x43<<22)|4) #define XY_SRC_COPY_BLT_CMD ((2<<29)|(0x53<<22)|6) +#define XY_MONO_SRC_COPY_IMM_BLT ((2<<29)|(0x71<<22)|5) #define XY_SRC_COPY_BLT_WRITE_ALPHA (1<<21) #define XY_SRC_COPY_BLT_WRITE_RGB (1<<20) +#define BLT_DEPTH_8 (0<<24) +#define BLT_DEPTH_16_565 (1<<24) +#define BLT_DEPTH_16_1555 (2<<24) +#define BLT_DEPTH_32 (3<<24) +#define BLT_ROP_GXCOPY (0xcc<<16) #define MI_BATCH_BUFFER ((0x30<<23)|1) #define MI_BATCH_BUFFER_START (0x31<<23) @@ -516,4 +681,506 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); #define READ_BREADCRUMB(dev_priv) (((volatile u32*)(dev_priv->hw_status_page))[5]) #define READ_HWSP(dev_priv, reg) (((volatile u32*)(dev_priv->hw_status_page))[reg]) + +#define BLC_PWM_CTL 0x61254 +#define BACKLIGHT_MODULATION_FREQ_SHIFT (17) +/** + * This is the most significant 15 bits of the number of backlight cycles in a + * complete cycle of the modulated backlight control. + * + * The actual value is this field multiplied by two. + */ +#define BACKLIGHT_MODULATION_FREQ_MASK (0x7fff << 17) +#define BLM_LEGACY_MODE (1 << 16) +/** + * This is the number of cycles out of the backlight modulation cycle for which + * the backlight is on. + * + * This field must be no greater than the number of cycles in the complete + * backlight modulation cycle. + */ +#define BACKLIGHT_DUTY_CYCLE_SHIFT (0) +#define BACKLIGHT_DUTY_CYCLE_MASK (0xffff) + +#define I915_GCFGC 0xf0 +#define I915_LOW_FREQUENCY_ENABLE (1 << 7) +#define I915_DISPLAY_CLOCK_190_200_MHZ (0 << 4) +#define I915_DISPLAY_CLOCK_333_MHZ (4 << 4) +#define I915_DISPLAY_CLOCK_MASK (7 << 4) + +#define I855_HPLLCC 0xc0 +#define I855_CLOCK_CONTROL_MASK (3 << 0) +#define I855_CLOCK_133_200 (0 << 0) +#define I855_CLOCK_100_200 (1 << 0) +#define I855_CLOCK_100_133 (2 << 0) +#define I855_CLOCK_166_250 (3 << 0) + +/* I830 CRTC registers */ +#define HTOTAL_A 0x60000 +#define HBLANK_A 0x60004 +#define HSYNC_A 0x60008 +#define VTOTAL_A 0x6000c +#define VBLANK_A 0x60010 +#define VSYNC_A 0x60014 +#define PIPEASRC 0x6001c +#define BCLRPAT_A 0x60020 +#define VSYNCSHIFT_A 0x60028 + +#define HTOTAL_B 0x61000 +#define HBLANK_B 0x61004 +#define HSYNC_B 0x61008 +#define VTOTAL_B 0x6100c +#define VBLANK_B 0x61010 +#define VSYNC_B 0x61014 +#define PIPEBSRC 0x6101c +#define BCLRPAT_B 0x61020 +#define VSYNCSHIFT_B 0x61028 + +#define PP_STATUS 0x61200 +# define PP_ON (1 << 31) +/** + * Indicates that all dependencies of the panel are on: + * + * - PLL enabled + * - pipe enabled + * - LVDS/DVOB/DVOC on + */ +# define PP_READY (1 << 30) +# define PP_SEQUENCE_NONE (0 << 28) +# define PP_SEQUENCE_ON (1 << 28) +# define PP_SEQUENCE_OFF (2 << 28) +# define PP_SEQUENCE_MASK 0x30000000 +#define PP_CONTROL 0x61204 +# define POWER_TARGET_ON (1 << 0) + +#define LVDSPP_ON 0x61208 +#define LVDSPP_OFF 0x6120c +#define PP_CYCLE 0x61210 + +#define PFIT_CONTROL 0x61230 +# define PFIT_ENABLE (1 << 31) +# define PFIT_PIPE_MASK (3 << 29) +# define PFIT_PIPE_SHIFT 29 +# define VERT_INTERP_DISABLE (0 << 10) +# define VERT_INTERP_BILINEAR (1 << 10) +# define VERT_INTERP_MASK (3 << 10) +# define VERT_AUTO_SCALE (1 << 9) +# define HORIZ_INTERP_DISABLE (0 << 6) +# define HORIZ_INTERP_BILINEAR (1 << 6) +# define HORIZ_INTERP_MASK (3 << 6) +# define HORIZ_AUTO_SCALE (1 << 5) +# define PANEL_8TO6_DITHER_ENABLE (1 << 3) + +#define PFIT_PGM_RATIOS 0x61234 +# define PFIT_VERT_SCALE_MASK 0xfff00000 +# define PFIT_HORIZ_SCALE_MASK 0x0000fff0 + +#define PFIT_AUTO_RATIOS 0x61238 + + +#define DPLL_A 0x06014 +#define DPLL_B 0x06018 +# define DPLL_VCO_ENABLE (1 << 31) +# define DPLL_DVO_HIGH_SPEED (1 << 30) +# define DPLL_SYNCLOCK_ENABLE (1 << 29) +# define DPLL_VGA_MODE_DIS (1 << 28) +# define DPLLB_MODE_DAC_SERIAL (1 << 26) /* i915 */ +# define DPLLB_MODE_LVDS (2 << 26) /* i915 */ +# define DPLL_MODE_MASK (3 << 26) +# define DPLL_DAC_SERIAL_P2_CLOCK_DIV_10 (0 << 24) /* i915 */ +# define DPLL_DAC_SERIAL_P2_CLOCK_DIV_5 (1 << 24) /* i915 */ +# define DPLLB_LVDS_P2_CLOCK_DIV_14 (0 << 24) /* i915 */ +# define DPLLB_LVDS_P2_CLOCK_DIV_7 (1 << 24) /* i915 */ +# define DPLL_P2_CLOCK_DIV_MASK 0x03000000 /* i915 */ +# define DPLL_FPA01_P1_POST_DIV_MASK 0x00ff0000 /* i915 */ +/** + * The i830 generation, in DAC/serial mode, defines p1 as two plus this + * bitfield, or just 2 if PLL_P1_DIVIDE_BY_TWO is set. + */ +# define DPLL_FPA01_P1_POST_DIV_MASK_I830 0x001f0000 +/** + * The i830 generation, in LVDS mode, defines P1 as the bit number set within + * this field (only one bit may be set). + */ +# define DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS 0x003f0000 +# define DPLL_FPA01_P1_POST_DIV_SHIFT 16 +# define PLL_P2_DIVIDE_BY_4 (1 << 23) /* i830, required in DVO non-gang */ +# define PLL_P1_DIVIDE_BY_TWO (1 << 21) /* i830 */ +# define PLL_REF_INPUT_DREFCLK (0 << 13) +# define PLL_REF_INPUT_TVCLKINA (1 << 13) /* i830 */ +# define PLL_REF_INPUT_TVCLKINBC (2 << 13) /* SDVO TVCLKIN */ +# define PLLB_REF_INPUT_SPREADSPECTRUMIN (3 << 13) +# define PLL_REF_INPUT_MASK (3 << 13) +# define PLL_LOAD_PULSE_PHASE_SHIFT 9 +/* + * Parallel to Serial Load Pulse phase selection. + * Selects the phase for the 10X DPLL clock for the PCIe + * digital display port. The range is 4 to 13; 10 or more + * is just a flip delay. The default is 6 + */ +# define PLL_LOAD_PULSE_PHASE_MASK (0xf << PLL_LOAD_PULSE_PHASE_SHIFT) +# define DISPLAY_RATE_SELECT_FPA1 (1 << 8) + +/** + * SDVO multiplier for 945G/GM. Not used on 965. + * + * \sa DPLL_MD_UDI_MULTIPLIER_MASK + */ +# define SDVO_MULTIPLIER_MASK 0x000000ff +# define SDVO_MULTIPLIER_SHIFT_HIRES 4 +# define SDVO_MULTIPLIER_SHIFT_VGA 0 + +/** @defgroup DPLL_MD + * @{ + */ +/** Pipe A SDVO/UDI clock multiplier/divider register for G965. */ +#define DPLL_A_MD 0x0601c +/** Pipe B SDVO/UDI clock multiplier/divider register for G965. */ +#define DPLL_B_MD 0x06020 +/** + * UDI pixel divider, controlling how many pixels are stuffed into a packet. + * + * Value is pixels minus 1. Must be set to 1 pixel for SDVO. + */ +# define DPLL_MD_UDI_DIVIDER_MASK 0x3f000000 +# define DPLL_MD_UDI_DIVIDER_SHIFT 24 +/** UDI pixel divider for VGA, same as DPLL_MD_UDI_DIVIDER_MASK. */ +# define DPLL_MD_VGA_UDI_DIVIDER_MASK 0x003f0000 +# define DPLL_MD_VGA_UDI_DIVIDER_SHIFT 16 +/** + * SDVO/UDI pixel multiplier. + * + * SDVO requires that the bus clock rate be between 1 and 2 Ghz, and the bus + * clock rate is 10 times the DPLL clock. At low resolution/refresh rate + * modes, the bus rate would be below the limits, so SDVO allows for stuffing + * dummy bytes in the datastream at an increased clock rate, with both sides of + * the link knowing how many bytes are fill. + * + * So, for a mode with a dotclock of 65Mhz, we would want to double the clock + * rate to 130Mhz to get a bus rate of 1.30Ghz. The DPLL clock rate would be + * set to 130Mhz, and the SDVO multiplier set to 2x in this register and + * through an SDVO command. + * + * This register field has values of multiplication factor minus 1, with + * a maximum multiplier of 5 for SDVO. + */ +# define DPLL_MD_UDI_MULTIPLIER_MASK 0x00003f00 +# define DPLL_MD_UDI_MULTIPLIER_SHIFT 8 +/** SDVO/UDI pixel multiplier for VGA, same as DPLL_MD_UDI_MULTIPLIER_MASK. + * This best be set to the default value (3) or the CRT won't work. No, + * I don't entirely understand what this does... + */ +# define DPLL_MD_VGA_UDI_MULTIPLIER_MASK 0x0000003f +# define DPLL_MD_VGA_UDI_MULTIPLIER_SHIFT 0 +/** @} */ + +#define DPLL_TEST 0x606c +# define DPLLB_TEST_SDVO_DIV_1 (0 << 22) +# define DPLLB_TEST_SDVO_DIV_2 (1 << 22) +# define DPLLB_TEST_SDVO_DIV_4 (2 << 22) +# define DPLLB_TEST_SDVO_DIV_MASK (3 << 22) +# define DPLLB_TEST_N_BYPASS (1 << 19) +# define DPLLB_TEST_M_BYPASS (1 << 18) +# define DPLLB_INPUT_BUFFER_ENABLE (1 << 16) +# define DPLLA_TEST_N_BYPASS (1 << 3) +# define DPLLA_TEST_M_BYPASS (1 << 2) +# define DPLLA_INPUT_BUFFER_ENABLE (1 << 0) + +#define ADPA 0x61100 +#define ADPA_DAC_ENABLE (1<<31) +#define ADPA_DAC_DISABLE 0 +#define ADPA_PIPE_SELECT_MASK (1<<30) +#define ADPA_PIPE_A_SELECT 0 +#define ADPA_PIPE_B_SELECT (1<<30) +#define ADPA_USE_VGA_HVPOLARITY (1<<15) +#define ADPA_SETS_HVPOLARITY 0 +#define ADPA_VSYNC_CNTL_DISABLE (1<<11) +#define ADPA_VSYNC_CNTL_ENABLE 0 +#define ADPA_HSYNC_CNTL_DISABLE (1<<10) +#define ADPA_HSYNC_CNTL_ENABLE 0 +#define ADPA_VSYNC_ACTIVE_HIGH (1<<4) +#define ADPA_VSYNC_ACTIVE_LOW 0 +#define ADPA_HSYNC_ACTIVE_HIGH (1<<3) +#define ADPA_HSYNC_ACTIVE_LOW 0 + +#define FPA0 0x06040 +#define FPA1 0x06044 +#define FPB0 0x06048 +#define FPB1 0x0604c +# define FP_N_DIV_MASK 0x003f0000 +# define FP_N_DIV_SHIFT 16 +# define FP_M1_DIV_MASK 0x00003f00 +# define FP_M1_DIV_SHIFT 8 +# define FP_M2_DIV_MASK 0x0000003f +# define FP_M2_DIV_SHIFT 0 + + +#define PORT_HOTPLUG_EN 0x61110 +# define SDVOB_HOTPLUG_INT_EN (1 << 26) +# define SDVOC_HOTPLUG_INT_EN (1 << 25) +# define TV_HOTPLUG_INT_EN (1 << 18) +# define CRT_HOTPLUG_INT_EN (1 << 9) +# define CRT_HOTPLUG_FORCE_DETECT (1 << 3) + +#define PORT_HOTPLUG_STAT 0x61114 +# define CRT_HOTPLUG_INT_STATUS (1 << 11) +# define TV_HOTPLUG_INT_STATUS (1 << 10) +# define CRT_HOTPLUG_MONITOR_MASK (3 << 8) +# define CRT_HOTPLUG_MONITOR_COLOR (3 << 8) +# define CRT_HOTPLUG_MONITOR_MONO (2 << 8) +# define CRT_HOTPLUG_MONITOR_NONE (0 << 8) +# define SDVOC_HOTPLUG_INT_STATUS (1 << 7) +# define SDVOB_HOTPLUG_INT_STATUS (1 << 6) + +#define SDVOB 0x61140 +#define SDVOC 0x61160 +#define SDVO_ENABLE (1 << 31) +#define SDVO_PIPE_B_SELECT (1 << 30) +#define SDVO_STALL_SELECT (1 << 29) +#define SDVO_INTERRUPT_ENABLE (1 << 26) +/** + * 915G/GM SDVO pixel multiplier. + * + * Programmed value is multiplier - 1, up to 5x. + * + * \sa DPLL_MD_UDI_MULTIPLIER_MASK + */ +#define SDVO_PORT_MULTIPLY_MASK (7 << 23) +#define SDVO_PORT_MULTIPLY_SHIFT 23 +#define SDVO_PHASE_SELECT_MASK (15 << 19) +#define SDVO_PHASE_SELECT_DEFAULT (6 << 19) +#define SDVO_CLOCK_OUTPUT_INVERT (1 << 18) +#define SDVOC_GANG_MODE (1 << 16) +#define SDVO_BORDER_ENABLE (1 << 7) +#define SDVOB_PCIE_CONCURRENCY (1 << 3) +#define SDVO_DETECTED (1 << 2) +/* Bits to be preserved when writing */ +#define SDVOB_PRESERVE_MASK ((1 << 17) | (1 << 16) | (1 << 14)) +#define SDVOC_PRESERVE_MASK (1 << 17) + +/** @defgroup LVDS + * @{ + */ +/** + * This register controls the LVDS output enable, pipe selection, and data + * format selection. + * + * All of the clock/data pairs are force powered down by power sequencing. + */ +#define LVDS 0x61180 +/** + * Enables the LVDS port. This bit must be set before DPLLs are enabled, as + * the DPLL semantics change when the LVDS is assigned to that pipe. + */ +# define LVDS_PORT_EN (1 << 31) +/** Selects pipe B for LVDS data. Must be set on pre-965. */ +# define LVDS_PIPEB_SELECT (1 << 30) + +/** + * Enables the A0-A2 data pairs and CLKA, containing 18 bits of color data per + * pixel. + */ +# define LVDS_A0A2_CLKA_POWER_MASK (3 << 8) +# define LVDS_A0A2_CLKA_POWER_DOWN (0 << 8) +# define LVDS_A0A2_CLKA_POWER_UP (3 << 8) +/** + * Controls the A3 data pair, which contains the additional LSBs for 24 bit + * mode. Only enabled if LVDS_A0A2_CLKA_POWER_UP also indicates it should be + * on. + */ +# define LVDS_A3_POWER_MASK (3 << 6) +# define LVDS_A3_POWER_DOWN (0 << 6) +# define LVDS_A3_POWER_UP (3 << 6) +/** + * Controls the CLKB pair. This should only be set when LVDS_B0B3_POWER_UP + * is set. + */ +# define LVDS_CLKB_POWER_MASK (3 << 4) +# define LVDS_CLKB_POWER_DOWN (0 << 4) +# define LVDS_CLKB_POWER_UP (3 << 4) + +/** + * Controls the B0-B3 data pairs. This must be set to match the DPLL p2 + * setting for whether we are in dual-channel mode. The B3 pair will + * additionally only be powered up when LVDS_A3_POWER_UP is set. + */ +# define LVDS_B0B3_POWER_MASK (3 << 2) +# define LVDS_B0B3_POWER_DOWN (0 << 2) +# define LVDS_B0B3_POWER_UP (3 << 2) + +#define PIPEACONF 0x70008 +#define PIPEACONF_ENABLE (1<<31) +#define PIPEACONF_DISABLE 0 +#define PIPEACONF_DOUBLE_WIDE (1<<30) +#define I965_PIPECONF_ACTIVE (1<<30) +#define PIPEACONF_SINGLE_WIDE 0 +#define PIPEACONF_PIPE_UNLOCKED 0 +#define PIPEACONF_PIPE_LOCKED (1<<25) +#define PIPEACONF_PALETTE 0 +#define PIPEACONF_GAMMA (1<<24) +#define PIPECONF_FORCE_BORDER (1<<25) +#define PIPECONF_PROGRESSIVE (0 << 21) +#define PIPECONF_INTERLACE_W_FIELD_INDICATION (6 << 21) +#define PIPECONF_INTERLACE_FIELD_0_ONLY (7 << 21) + +#define PIPEBCONF 0x71008 +#define PIPEBCONF_ENABLE (1<<31) +#define PIPEBCONF_DISABLE 0 +#define PIPEBCONF_DOUBLE_WIDE (1<<30) +#define PIPEBCONF_DISABLE 0 +#define PIPEBCONF_GAMMA (1<<24) +#define PIPEBCONF_PALETTE 0 + +#define PIPEBGCMAXRED 0x71010 +#define PIPEBGCMAXGREEN 0x71014 +#define PIPEBGCMAXBLUE 0x71018 +#define PIPEBSTAT 0x71024 +#define PIPEBFRAMEHIGH 0x71040 +#define PIPEBFRAMEPIXEL 0x71044 + +#define DSPACNTR 0x70180 +#define DSPBCNTR 0x71180 +#define DISPLAY_PLANE_ENABLE (1<<31) +#define DISPLAY_PLANE_DISABLE 0 +#define DISPPLANE_GAMMA_ENABLE (1<<30) +#define DISPPLANE_GAMMA_DISABLE 0 +#define DISPPLANE_PIXFORMAT_MASK (0xf<<26) +#define DISPPLANE_8BPP (0x2<<26) +#define DISPPLANE_15_16BPP (0x4<<26) +#define DISPPLANE_16BPP (0x5<<26) +#define DISPPLANE_32BPP_NO_ALPHA (0x6<<26) +#define DISPPLANE_32BPP (0x7<<26) +#define DISPPLANE_STEREO_ENABLE (1<<25) +#define DISPPLANE_STEREO_DISABLE 0 +#define DISPPLANE_SEL_PIPE_MASK (1<<24) +#define DISPPLANE_SEL_PIPE_A 0 +#define DISPPLANE_SEL_PIPE_B (1<<24) +#define DISPPLANE_SRC_KEY_ENABLE (1<<22) +#define DISPPLANE_SRC_KEY_DISABLE 0 +#define DISPPLANE_LINE_DOUBLE (1<<20) +#define DISPPLANE_NO_LINE_DOUBLE 0 +#define DISPPLANE_STEREO_POLARITY_FIRST 0 +#define DISPPLANE_STEREO_POLARITY_SECOND (1<<18) +/* plane B only */ +#define DISPPLANE_ALPHA_TRANS_ENABLE (1<<15) +#define DISPPLANE_ALPHA_TRANS_DISABLE 0 +#define DISPPLANE_SPRITE_ABOVE_DISPLAYA 0 +#define DISPPLANE_SPRITE_ABOVE_OVERLAY (1) + +#define DSPABASE 0x70184 +#define DSPASTRIDE 0x70188 + +#define DSPBBASE 0x71184 +#define DSPBADDR DSPBBASE +#define DSPBSTRIDE 0x71188 + +#define DSPAKEYVAL 0x70194 +#define DSPAKEYMASK 0x70198 + +#define DSPAPOS 0x7018C /* reserved */ +#define DSPASIZE 0x70190 +#define DSPBPOS 0x7118C +#define DSPBSIZE 0x71190 + +#define DSPASURF 0x7019C +#define DSPATILEOFF 0x701A4 + +#define DSPBSURF 0x7119C +#define DSPBTILEOFF 0x711A4 + +#define VGACNTRL 0x71400 +# define VGA_DISP_DISABLE (1 << 31) +# define VGA_2X_MODE (1 << 30) +# define VGA_PIPE_B_SELECT (1 << 29) + +/* + * Some BIOS scratch area registers. The 845 (and 830?) store the amount + * of video memory available to the BIOS in SWF1. + */ + +#define SWF0 0x71410 +#define SWF1 0x71414 +#define SWF2 0x71418 +#define SWF3 0x7141c +#define SWF4 0x71420 +#define SWF5 0x71424 +#define SWF6 0x71428 + +/* + * 855 scratch registers. + */ +#define SWF00 0x70410 +#define SWF01 0x70414 +#define SWF02 0x70418 +#define SWF03 0x7041c +#define SWF04 0x70420 +#define SWF05 0x70424 +#define SWF06 0x70428 + +#define SWF10 SWF0 +#define SWF11 SWF1 +#define SWF12 SWF2 +#define SWF13 SWF3 +#define SWF14 SWF4 +#define SWF15 SWF5 +#define SWF16 SWF6 + +#define SWF30 0x72414 +#define SWF31 0x72418 +#define SWF32 0x7241c + +/* + * Overlay registers. These are overlay registers accessed via MMIO. + * Those loaded via the overlay register page are defined in i830_video.c. + */ +#define OVADD 0x30000 + +#define DOVSTA 0x30008 +#define OC_BUF (0x3<<20) + +#define OGAMC5 0x30010 +#define OGAMC4 0x30014 +#define OGAMC3 0x30018 +#define OGAMC2 0x3001c +#define OGAMC1 0x30020 +#define OGAMC0 0x30024 + +/* + * Palette registers + */ +#define PALETTE_A 0x0a000 +#define PALETTE_B 0x0a800 + +#define IS_I830(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82830_CGC) +#define IS_845G(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82845G_IG) +#define IS_I85X(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82855GM_IG) +#define IS_I855(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82855GM_IG) +#define IS_I865G(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82865_IG) + +#define IS_I915G(dev) (dev->pci_device == PCI_DEVICE_ID_INTEL_82915G_IG)/* || dev->pci_device == PCI_DEVICE_ID_INTELPCI_CHIP_E7221_G)*/ +#define IS_I915GM(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82915GM_IG) +#define IS_I945G(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82945G_IG) +#define IS_I945GM(dev) ((dev)->pci_device == PCI_DEVICE_ID_INTEL_82945GM_IG) + +#define IS_I965G(dev) ((dev)->pci_device == 0x2972 || \ + (dev)->pci_device == 0x2982 || \ + (dev)->pci_device == 0x2992 || \ + (dev)->pci_device == 0x29A2 || \ + (dev)->pci_device == 0x2A02 || \ + (dev)->pci_device == 0x2A12) + +#define IS_I965GM(dev) (((dev)->pci_device == 0x2A02)) + +#define IS_I9XX(dev) (IS_I915G(dev) || IS_I915GM(dev) || IS_I945G(dev) || \ + IS_I945GM(dev) || IS_I965G(dev)) + +#define IS_G33(dev) ((dev)->pci_device == 0x29C2 || \ + (dev)->pci_device == 0x29B2 || \ + (dev)->pci_device == 0x29D2) + +#define IS_MOBILE(dev) (IS_I830(dev) || IS_I85X(dev) || IS_I915GM(dev) || \ + IS_I945GM(dev) || IS_I965GM(dev)) + +#define PRIMARY_RINGBUFFER_SIZE (128*1024) + #endif diff --git a/shared-core/i915_init.c b/shared-core/i915_init.c new file mode 100644 index 00000000..3b43c722 --- /dev/null +++ b/shared-core/i915_init.c @@ -0,0 +1,329 @@ +/* + * Copyright (c) 2007 Intel Corporation + * Jesse Barnes <jesse.barnes@intel.com> + * + * Copyright © 2002, 2003 David Dawes <dawes@xfree86.org> + * 2004 Sylvain Meyer + * + * GPL/BSD dual license + */ +#include "drmP.h" +#include "drm.h" +#include "drm_sarea.h" +#include "i915_drm.h" +#include "i915_drv.h" + +/** + * i915_probe_agp - get AGP bootup configuration + * @pdev: PCI device + * @aperture_size: returns AGP aperture configured size + * @preallocated_size: returns size of BIOS preallocated AGP space + * + * Since Intel integrated graphics are UMA, the BIOS has to set aside + * some RAM for the framebuffer at early boot. This code figures out + * how much was set aside so we can use it for our own purposes. + */ +int i915_probe_agp(struct pci_dev *pdev, unsigned long *aperture_size, + unsigned long *preallocated_size) +{ + struct pci_dev *bridge_dev; + u16 tmp = 0; + unsigned long overhead; + + bridge_dev = pci_get_bus_and_slot(0, PCI_DEVFN(0,0)); + if (!bridge_dev) { + DRM_ERROR("bridge device not found\n"); + return -1; + } + + /* Get the fb aperture size and "stolen" memory amount. */ + pci_read_config_word(bridge_dev, INTEL_GMCH_CTRL, &tmp); + pci_dev_put(bridge_dev); + + *aperture_size = 1024 * 1024; + *preallocated_size = 1024 * 1024; + + switch (pdev->device) { + case PCI_DEVICE_ID_INTEL_82830_CGC: + case PCI_DEVICE_ID_INTEL_82845G_IG: + case PCI_DEVICE_ID_INTEL_82855GM_IG: + case PCI_DEVICE_ID_INTEL_82865_IG: + if ((tmp & INTEL_GMCH_MEM_MASK) == INTEL_GMCH_MEM_64M) + *aperture_size *= 64; + else + *aperture_size *= 128; + break; + default: + /* 9xx supports large sizes, just look at the length */ + *aperture_size = pci_resource_len(pdev, 2); + break; + } + + /* + * Some of the preallocated space is taken by the GTT + * and popup. GTT is 1K per MB of aperture size, and popup is 4K. + */ + overhead = (*aperture_size / 1024) + 4096; + switch (tmp & INTEL_855_GMCH_GMS_MASK) { + case INTEL_855_GMCH_GMS_STOLEN_1M: + break; /* 1M already */ + case INTEL_855_GMCH_GMS_STOLEN_4M: + *preallocated_size *= 4; + break; + case INTEL_855_GMCH_GMS_STOLEN_8M: + *preallocated_size *= 8; + break; + case INTEL_855_GMCH_GMS_STOLEN_16M: + *preallocated_size *= 16; + break; + case INTEL_855_GMCH_GMS_STOLEN_32M: + *preallocated_size *= 32; + break; + case INTEL_915G_GMCH_GMS_STOLEN_48M: + *preallocated_size *= 48; + break; + case INTEL_915G_GMCH_GMS_STOLEN_64M: + *preallocated_size *= 64; + break; + case INTEL_855_GMCH_GMS_DISABLED: + DRM_ERROR("video memory is disabled\n"); + return -1; + default: + DRM_ERROR("unexpected GMCH_GMS value: 0x%02x\n", + tmp & INTEL_855_GMCH_GMS_MASK); + return -1; + } + *preallocated_size -= overhead; + + return 0; +} + +/** + * i915_driver_load - setup chip and create an initial config + * @dev: DRM device + * @flags: startup flags + * + * The driver load routine has to do several things: + * - drive output discovery via intel_modeset_init() + * - initialize the memory manager + * - allocate initial config memory + * - setup the DRM framebuffer with the allocated memory + */ +int i915_driver_load(struct drm_device *dev, unsigned long flags) +{ + struct drm_i915_private *dev_priv; + unsigned long agp_size, prealloc_size; + unsigned long sareapage; + int size, ret; + + dev_priv = drm_alloc(sizeof(struct drm_i915_private), DRM_MEM_DRIVER); + if (dev_priv == NULL) + return -ENOMEM; + + memset(dev_priv, 0, sizeof(struct drm_i915_private)); + dev->dev_private = (void *)dev_priv; +// dev_priv->flags = flags; + + /* i915 has 4 more counters */ + dev->counters += 4; + dev->types[6] = _DRM_STAT_IRQ; + dev->types[7] = _DRM_STAT_PRIMARY; + dev->types[8] = _DRM_STAT_SECONDARY; + dev->types[9] = _DRM_STAT_DMA; + + if (IS_I9XX(dev)) { + dev_priv->mmiobase = drm_get_resource_start(dev, 0); + dev_priv->mmiolen = drm_get_resource_len(dev, 0); + dev->mode_config.fb_base = + drm_get_resource_start(dev, 2) & 0xff000000; + } else if (drm_get_resource_start(dev, 1)) { + dev_priv->mmiobase = drm_get_resource_start(dev, 1); + dev_priv->mmiolen = drm_get_resource_len(dev, 1); + dev->mode_config.fb_base = + drm_get_resource_start(dev, 0) & 0xff000000; + } else { + DRM_ERROR("Unable to find MMIO registers\n"); + return -ENODEV; + } + + DRM_DEBUG("fb_base: 0x%08lx\n", dev->mode_config.fb_base); + + ret = drm_addmap(dev, dev_priv->mmiobase, dev_priv->mmiolen, + _DRM_REGISTERS, _DRM_READ_ONLY|_DRM_DRIVER, &dev_priv->mmio_map); + if (ret != 0) { + DRM_ERROR("Cannot add mapping for MMIO registers\n"); + return ret; + } + + /* prebuild the SAREA */ + sareapage = max(SAREA_MAX, PAGE_SIZE); + ret = drm_addmap(dev, 0, sareapage, _DRM_SHM, _DRM_CONTAINS_LOCK|_DRM_DRIVER, + &dev_priv->sarea); + if (ret) { + DRM_ERROR("SAREA setup failed\n"); + return ret; + } + + init_waitqueue_head(&dev->lock.lock_queue); + + /* FIXME: assume sarea_priv is right after SAREA */ + dev_priv->sarea_priv = dev_priv->sarea->handle + sizeof(struct drm_sarea); + + /* + * Initialize the memory manager for local and AGP space + */ + drm_bo_driver_init(dev); + + i915_probe_agp(dev->pdev, &agp_size, &prealloc_size); + printk("setting up %ld bytes of VRAM space\n", prealloc_size); + printk("setting up %ld bytes of TT space\n", (agp_size - prealloc_size)); + drm_bo_init_mm(dev, DRM_BO_MEM_VRAM, 0, prealloc_size >> PAGE_SHIFT); + drm_bo_init_mm(dev, DRM_BO_MEM_TT, prealloc_size >> PAGE_SHIFT, (agp_size - prealloc_size) >> PAGE_SHIFT); + + I915_WRITE(LP_RING + RING_LEN, 0); + I915_WRITE(LP_RING + RING_HEAD, 0); + I915_WRITE(LP_RING + RING_TAIL, 0); + + size = PRIMARY_RINGBUFFER_SIZE; + ret = drm_buffer_object_create(dev, size, drm_bo_type_kernel, + DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE | + DRM_BO_FLAG_MEM_VRAM | + DRM_BO_FLAG_NO_EVICT | + DRM_BO_HINT_DONT_FENCE, 0, 0x1, 0, + &dev_priv->ring_buffer); + if (ret < 0) { + DRM_ERROR("Unable to allocate or pin ring buffer\n"); + return -EINVAL; + } + + /* remap the buffer object properly */ + dev_priv->ring.Start = dev_priv->ring_buffer->offset; + dev_priv->ring.End = dev_priv->ring.Start + size; + dev_priv->ring.Size = size; + dev_priv->ring.tail_mask = dev_priv->ring.Size - 1; + + /* FIXME: need wrapper with PCI mem checks */ + ret = drm_mem_reg_ioremap(dev, &dev_priv->ring_buffer->mem, + (void **) &dev_priv->ring.virtual_start); + if (ret) + DRM_ERROR("error mapping ring buffer: %d\n", ret); + + DRM_DEBUG("ring start %08lX, %p, %08lX\n", dev_priv->ring.Start, + dev_priv->ring.virtual_start, dev_priv->ring.Size); + + dev_priv->sarea_priv->pf_current_page = 0; + + memset((void *)(dev_priv->ring.virtual_start), 0, dev_priv->ring.Size); + + I915_WRITE(LP_RING + RING_START, dev_priv->ring.Start); + I915_WRITE(LP_RING + RING_LEN, + ((dev_priv->ring.Size - 4096) & RING_NR_PAGES) | + (RING_NO_REPORT | RING_VALID)); + + /* We are using separate values as placeholders for mechanisms for + * private backbuffer/depthbuffer usage. + */ + dev_priv->use_mi_batchbuffer_start = 0; + + /* Allow hardware batchbuffers unless told otherwise. + */ + dev_priv->allow_batchbuffer = 1; + + /* Program Hardware Status Page */ + if (!IS_G33(dev)) { + dev_priv->status_page_dmah = + drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE, 0xffffffff); + + if (!dev_priv->status_page_dmah) { + dev->dev_private = (void *)dev_priv; + i915_dma_cleanup(dev); + DRM_ERROR("Can not allocate hardware status page\n"); + return -ENOMEM; + } + dev_priv->hw_status_page = dev_priv->status_page_dmah->vaddr; + dev_priv->dma_status_page = dev_priv->status_page_dmah->busaddr; + + memset(dev_priv->hw_status_page, 0, PAGE_SIZE); + + I915_WRITE(I915REG_HWS_PGA, dev_priv->dma_status_page); + } + DRM_DEBUG("Enabled hardware status page\n"); + + intel_modeset_init(dev); + drm_initial_config(dev, false); + + return 0; +} + +int i915_driver_unload(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + + if (dev_priv->ring.virtual_start) { + drm_core_ioremapfree(&dev_priv->ring.map, dev); + } + + if (dev_priv->status_page_dmah) { + drm_pci_free(dev, dev_priv->status_page_dmah); + dev_priv->status_page_dmah = NULL; + dev_priv->hw_status_page = NULL; + dev_priv->dma_status_page = 0; + /* Need to rewrite hardware status page */ + I915_WRITE(I915REG_HWS_PGA, 0x1ffff000); + } + + if (dev_priv->status_gfx_addr) { + dev_priv->status_gfx_addr = 0; + drm_core_ioremapfree(&dev_priv->hws_map, dev); + I915_WRITE(I915REG_HWS_PGA, 0x1ffff000); + } + + I915_WRITE(LP_RING + RING_LEN, 0); + + intel_modeset_cleanup(dev); + + drm_mem_reg_iounmap(dev, &dev_priv->ring_buffer->mem, + dev_priv->ring.virtual_start); + + DRM_DEBUG("usage is %d\n", atomic_read(&dev_priv->ring_buffer->usage)); + mutex_lock(&dev->struct_mutex); + drm_bo_usage_deref_locked(&dev_priv->ring_buffer); + + if (drm_bo_clean_mm(dev, DRM_BO_MEM_TT)) { + DRM_ERROR("Memory manager type 3 not clean. " + "Delaying takedown\n"); + } + if (drm_bo_clean_mm(dev, DRM_BO_MEM_VRAM)) { + DRM_ERROR("Memory manager type 3 not clean. " + "Delaying takedown\n"); + } + mutex_unlock(&dev->struct_mutex); + + drm_bo_driver_finish(dev); + + DRM_DEBUG("%p, %p\n", dev_priv->mmio_map, dev_priv->sarea); + drm_rmmap(dev, dev_priv->mmio_map); + drm_rmmap(dev, dev_priv->sarea); + + drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER); + + dev->dev_private = NULL; + return 0; +} + +void i915_driver_lastclose(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + + i915_do_cleanup_pageflip(dev); + //i915_mem_takedown(&(dev_priv->agp_heap)); + i915_dma_cleanup(dev); +} + +void i915_driver_preclose(struct drm_device *dev, struct drm_file *filp) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + + //i915_mem_release(dev, filp, dev_priv->agp_heap); +} + diff --git a/shared-core/i915_irq.c b/shared-core/i915_irq.c index db18a895..11cb20ab 100644 --- a/shared-core/i915_irq.c +++ b/shared-core/i915_irq.c @@ -49,7 +49,7 @@ static int i915_get_pipe(struct drm_device *dev, int plane) { - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private; u32 dspcntr; dspcntr = plane ? I915_READ(DSPBCNTR) : I915_READ(DSPACNTR); @@ -66,8 +66,8 @@ static void i915_dispatch_vsync_flip(struct drm_device *dev, struct drm_drawable_info *drw, int plane) { - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - drm_i915_sarea_t *sarea_priv = dev_priv->sarea_priv; + struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private; + struct drm_i915_sarea *sarea_priv = dev_priv->sarea_priv; u16 x1, y1, x2, y2; int pf_planes = 1 << plane; @@ -111,13 +111,13 @@ i915_dispatch_vsync_flip(struct drm_device *dev, struct drm_drawable_info *drw, */ static void i915_vblank_tasklet(struct drm_device *dev) { - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private; struct list_head *list, *tmp, hits, *hit; int nhits, nrects, slice[2], upper[2], lower[2], i, num_pages; unsigned counter[2] = { atomic_read(&dev->vbl_received), atomic_read(&dev->vbl_received2) }; struct drm_drawable_info *drw; - drm_i915_sarea_t *sarea_priv = dev_priv->sarea_priv; + struct drm_i915_sarea *sarea_priv = dev_priv->sarea_priv; u32 cpp = dev_priv->cpp, offsets[3]; u32 cmd = (cpp == 4) ? (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA | @@ -142,8 +142,8 @@ static void i915_vblank_tasklet(struct drm_device *dev) /* Find buffer swaps scheduled for this vertical blank */ list_for_each_safe(list, tmp, &dev_priv->vbl_swaps.head) { - drm_i915_vbl_swap_t *vbl_swap = - list_entry(list, drm_i915_vbl_swap_t, head); + struct drm_i915_vbl_swap *vbl_swap = + list_entry(list, struct drm_i915_vbl_swap, head); int pipe = i915_get_pipe(dev, vbl_swap->plane); if ((counter[pipe] - vbl_swap->sequence) > (1<<23)) @@ -165,8 +165,8 @@ static void i915_vblank_tasklet(struct drm_device *dev) } list_for_each(hit, &hits) { - drm_i915_vbl_swap_t *swap_cmp = - list_entry(hit, drm_i915_vbl_swap_t, head); + struct drm_i915_vbl_swap *swap_cmp = + list_entry(hit, struct drm_i915_vbl_swap, head); struct drm_drawable_info *drw_cmp = drm_get_drawable_info(dev, swap_cmp->drw_id); @@ -223,8 +223,8 @@ static void i915_vblank_tasklet(struct drm_device *dev) lower[0] = lower[1] = sarea_priv->height; list_for_each(hit, &hits) { - drm_i915_vbl_swap_t *swap_hit = - list_entry(hit, drm_i915_vbl_swap_t, head); + struct drm_i915_vbl_swap *swap_hit = + list_entry(hit, struct drm_i915_vbl_swap, head); struct drm_clip_rect *rect; int num_rects, plane, front, back; unsigned short top, bottom; @@ -292,8 +292,8 @@ static void i915_vblank_tasklet(struct drm_device *dev) DRM_SPINUNLOCK(&dev->drw_lock); list_for_each_safe(hit, tmp, &hits) { - drm_i915_vbl_swap_t *swap_hit = - list_entry(hit, drm_i915_vbl_swap_t, head); + struct drm_i915_vbl_swap *swap_hit = + list_entry(hit, struct drm_i915_vbl_swap, head); list_del(hit); @@ -304,7 +304,7 @@ static void i915_vblank_tasklet(struct drm_device *dev) irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) { struct drm_device *dev = (struct drm_device *) arg; - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private; u16 temp; u32 pipea_stats, pipeb_stats; @@ -368,7 +368,7 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) int i915_emit_irq(struct drm_device * dev) { - drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = dev->dev_private; RING_LOCALS; i915_kernel_lost_context(dev); @@ -387,7 +387,7 @@ int i915_emit_irq(struct drm_device * dev) } -void i915_user_irq_on(drm_i915_private_t *dev_priv) +void i915_user_irq_on(struct drm_i915_private *dev_priv) { DRM_SPINLOCK(&dev_priv->user_irq_lock); if (dev_priv->irq_enabled && (++dev_priv->user_irq_refcount == 1)){ @@ -398,7 +398,7 @@ void i915_user_irq_on(drm_i915_private_t *dev_priv) } -void i915_user_irq_off(drm_i915_private_t *dev_priv) +void i915_user_irq_off(struct drm_i915_private *dev_priv) { DRM_SPINLOCK(&dev_priv->user_irq_lock); if (dev_priv->irq_enabled && (--dev_priv->user_irq_refcount == 0)) { @@ -411,7 +411,7 @@ void i915_user_irq_off(drm_i915_private_t *dev_priv) static int i915_wait_irq(struct drm_device * dev, int irq_nr) { - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private; int ret = 0; DRM_DEBUG("%s irq_nr=%d breadcrumb=%d\n", __FUNCTION__, irq_nr, @@ -441,7 +441,7 @@ static int i915_driver_vblank_do_wait(struct drm_device *dev, unsigned int *sequence, atomic_t *counter) { - drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_i915_private *dev_priv = dev->dev_private; unsigned int cur_vblank; int ret = 0; @@ -459,6 +459,19 @@ static int i915_driver_vblank_do_wait(struct drm_device *dev, return ret; } +void i915_driver_wait_next_vblank(struct drm_device *dev, int pipe) +{ + unsigned int seq; + + seq = pipe ? atomic_read(&dev->vbl_received2) + 1 : + atomic_read(&dev->vbl_received) + 1; + + if (!pipe) + i915_driver_vblank_do_wait(dev, &seq, &dev->vbl_received); + else + i915_driver_vblank_do_wait(dev, &seq, &dev->vbl_received2); +} + int i915_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence) { return i915_driver_vblank_do_wait(dev, sequence, &dev->vbl_received); @@ -473,8 +486,8 @@ int i915_driver_vblank_wait2(struct drm_device *dev, unsigned int *sequence) */ int i915_irq_emit(struct drm_device *dev, void *data, struct drm_file *file_priv) { - drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_irq_emit_t *emit = data; + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_irq_emit *emit = data; int result; LOCK_TEST_WITH_RETURN(dev, file_priv); @@ -499,8 +512,8 @@ int i915_irq_emit(struct drm_device *dev, void *data, struct drm_file *file_priv int i915_irq_wait(struct drm_device *dev, void *data, struct drm_file *file_priv) { - drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_irq_wait_t *irqwait = data; + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_irq_wait *irqwait = data; if (!dev_priv) { DRM_ERROR("%s called with no initialization\n", __FUNCTION__); @@ -510,9 +523,9 @@ int i915_irq_wait(struct drm_device *dev, void *data, return i915_wait_irq(dev, irqwait->irq_seq); } -static void i915_enable_interrupt (struct drm_device *dev) +void i915_enable_interrupt (struct drm_device *dev) { - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private; dev_priv->irq_enable_reg = USER_INT_FLAG; if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_A) @@ -529,8 +542,8 @@ static void i915_enable_interrupt (struct drm_device *dev) int i915_vblank_pipe_set(struct drm_device *dev, void *data, struct drm_file *file_priv) { - drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_vblank_pipe_t *pipe = data; + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_vblank_pipe *pipe = data; if (!dev_priv) { DRM_ERROR("%s called with no initialization\n", __FUNCTION__); @@ -553,8 +566,8 @@ int i915_vblank_pipe_set(struct drm_device *dev, void *data, int i915_vblank_pipe_get(struct drm_device *dev, void *data, struct drm_file *file_priv) { - drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_vblank_pipe_t *pipe = data; + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_vblank_pipe *pipe = data; u16 flag; if (!dev_priv) { @@ -578,9 +591,9 @@ int i915_vblank_pipe_get(struct drm_device *dev, void *data, int i915_vblank_swap(struct drm_device *dev, void *data, struct drm_file *file_priv) { - drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_vblank_swap_t *swap = data; - drm_i915_vbl_swap_t *vbl_swap; + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_vblank_swap *swap = data; + struct drm_i915_vbl_swap *vbl_swap; unsigned int pipe, seqtype, curseq, plane; unsigned long irqflags; struct list_head *list; @@ -672,7 +685,7 @@ int i915_vblank_swap(struct drm_device *dev, void *data, DRM_SPINLOCK_IRQSAVE(&dev_priv->swaps_lock, irqflags); list_for_each(list, &dev_priv->vbl_swaps.head) { - vbl_swap = list_entry(list, drm_i915_vbl_swap_t, head); + vbl_swap = list_entry(list, struct drm_i915_vbl_swap, head); if (vbl_swap->drw_id == swap->drawable && vbl_swap->plane == plane && @@ -722,7 +735,7 @@ int i915_vblank_swap(struct drm_device *dev, void *data, */ void i915_driver_irq_preinstall(struct drm_device * dev) { - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private; I915_WRITE16(I915REG_HWSTAM, 0xeffe); I915_WRITE16(I915REG_INT_MASK_R, 0x0); @@ -731,7 +744,7 @@ void i915_driver_irq_preinstall(struct drm_device * dev) void i915_driver_irq_postinstall(struct drm_device * dev) { - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private; DRM_SPININIT(&dev_priv->swaps_lock, "swap"); INIT_LIST_HEAD(&dev_priv->vbl_swaps.head); @@ -752,7 +765,7 @@ void i915_driver_irq_postinstall(struct drm_device * dev) void i915_driver_irq_uninstall(struct drm_device * dev) { - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private; u16 temp; if (!dev_priv) return; diff --git a/shared-core/i915_mem.c b/shared-core/i915_mem.c index 5bf29a1e..2916d5a1 100644 --- a/shared-core/i915_mem.c +++ b/shared-core/i915_mem.c @@ -45,8 +45,8 @@ */ static void mark_block(struct drm_device * dev, struct mem_block *p, int in_use) { - drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_sarea_t *sarea_priv = dev_priv->sarea_priv; + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_sarea *sarea_priv = dev_priv->sarea_priv; struct drm_tex_region *list; unsigned shift, nr; unsigned start; @@ -256,7 +256,7 @@ void i915_mem_takedown(struct mem_block **heap) *heap = NULL; } -static struct mem_block **get_heap(drm_i915_private_t * dev_priv, int region) +static struct mem_block **get_heap(struct drm_i915_private * dev_priv, int region) { switch (region) { case I915_MEM_REGION_AGP: @@ -271,8 +271,8 @@ static struct mem_block **get_heap(drm_i915_private_t * dev_priv, int region) int i915_mem_alloc(struct drm_device *dev, void *data, struct drm_file *file_priv) { - drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_mem_alloc_t *alloc = data; + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_mem_alloc *alloc = data; struct mem_block *block, **heap; if (!dev_priv) { @@ -309,8 +309,8 @@ int i915_mem_alloc(struct drm_device *dev, void *data, int i915_mem_free(struct drm_device *dev, void *data, struct drm_file *file_priv) { - drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_mem_free_t *memfree = data; + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_mem_free *memfree = data; struct mem_block *block, **heap; if (!dev_priv) { @@ -337,8 +337,8 @@ int i915_mem_free(struct drm_device *dev, void *data, int i915_mem_init_heap(struct drm_device *dev, void *data, struct drm_file *file_priv) { - drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_mem_init_heap_t *initheap = data; + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_mem_init_heap *initheap = data; struct mem_block **heap; if (!dev_priv) { @@ -361,8 +361,8 @@ int i915_mem_init_heap(struct drm_device *dev, void *data, int i915_mem_destroy_heap( struct drm_device *dev, void *data, struct drm_file *file_priv ) { - drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_mem_destroy_heap_t *destroyheap = data; + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_mem_destroy_heap *destroyheap = data; struct mem_block **heap; if ( !dev_priv ) { diff --git a/tests/mode/Makefile b/tests/mode/Makefile new file mode 100644 index 00000000..205c2ba1 --- /dev/null +++ b/tests/mode/Makefile @@ -0,0 +1,11 @@ + +all: modetest + +#CFLAGS = -g -ansi -pedantic -DPOSIX_C_SOURCE=199309L \ +# -D_POSIX_SOURCE -D_XOPEN_SOURCE -D_BSD_SOURCE -D_SVID_SOURCE \ + +modetest: modetest.c + @gcc -o modetest -Wall -I../../libdrm -I../../shared-core -L../../libdrm/.libs -ldrm modetest.c + +clean: + @rm -f modetest diff --git a/tests/mode/modetest.c b/tests/mode/modetest.c new file mode 100644 index 00000000..bf1a5169 --- /dev/null +++ b/tests/mode/modetest.c @@ -0,0 +1,337 @@ + +#include <assert.h> +#include <stdio.h> +#include <stdlib.h> +#include <stdint.h> + +#include "xf86drm.h" +#include "xf86drmMode.h" + +const char* getConnectionText(drmModeConnection conn) +{ + switch (conn) { + case DRM_MODE_CONNECTED: + return "connected"; + case DRM_MODE_DISCONNECTED: + return "disconnected"; + default: + return "unknown"; + } + +} + +struct drm_mode_modeinfo* findMode(drmModeResPtr res, uint32_t id) +{ + int i; + for (i = 0; i < res->count_modes; i++) { + if (res->modes[i].id == id) + return &res->modes[i]; + } + + return 0; +} + +int printMode(struct drm_mode_modeinfo *mode) +{ +#if 0 + printf("Mode: %s\n", mode->name); + printf("\tclock : %i\n", mode->clock); + printf("\thdisplay : %i\n", mode->hdisplay); + printf("\thsync_start : %i\n", mode->hsync_start); + printf("\thsync_end : %i\n", mode->hsync_end); + printf("\thtotal : %i\n", mode->htotal); + printf("\thskew : %i\n", mode->hskew); + printf("\tvdisplay : %i\n", mode->vdisplay); + printf("\tvsync_start : %i\n", mode->vsync_start); + printf("\tvsync_end : %i\n", mode->vsync_end); + printf("\tvtotal : %i\n", mode->vtotal); + printf("\tvscan : %i\n", mode->vscan); + printf("\tvrefresh : %i\n", mode->vrefresh); + printf("\tflags : %i\n", mode->flags); +#else + printf("Mode: %i \"%s\" %ix%i %.0f\n", mode->id, mode->name, + mode->hdisplay, mode->vdisplay, mode->vrefresh / 1000.0); +#endif + return 0; +} + +int printOutput(int fd, drmModeResPtr res, drmModeOutputPtr output, uint32_t id) +{ + int i = 0; + struct drm_mode_modeinfo *mode = NULL; + + printf("Output: %s\n", output->name); + printf("\tid : %i\n", id); + printf("\tcrtc id : %i\n", output->crtc); + printf("\tconn : %s\n", getConnectionText(output->connection)); + printf("\tsize : %ix%i (mm)\n", output->mmWidth, output->mmHeight); + printf("\tcount_crtcs : %i\n", output->count_crtcs); + printf("\tcrtcs : %i\n", output->crtcs); + printf("\tcount_clones : %i\n", output->count_clones); + printf("\tclones : %i\n", output->clones); + printf("\tcount_modes : %i\n", output->count_modes); + + for (i = 0; i < output->count_modes; i++) { + mode = findMode(res, output->modes[i]); + + if (mode) + printf("\t\tmode: %i \"%s\" %ix%i %.0f\n", mode->id, mode->name, + mode->hdisplay, mode->vdisplay, mode->vrefresh / 1000.0); + else + printf("\t\tmode: Invalid mode %i\n", output->modes[i]); + } + + return 0; +} + +int printCrtc(int fd, drmModeResPtr res, drmModeCrtcPtr crtc, uint32_t id) +{ + printf("Crtc\n"); + printf("\tid : %i\n", id); + printf("\tx : %i\n", crtc->x); + printf("\ty : %i\n", crtc->y); + printf("\twidth : %i\n", crtc->width); + printf("\theight : %i\n", crtc->height); + printf("\tmode : %i\n", crtc->mode); + printf("\tnum outputs : %i\n", crtc->count_outputs); + printf("\toutputs : %i\n", crtc->outputs); + printf("\tnum possible : %i\n", crtc->count_possibles); + printf("\tpossibles : %i\n", crtc->possibles); + + return 0; +} + +int printFrameBuffer(int fd, drmModeResPtr res, drmModeFBPtr fb) +{ + printf("Framebuffer\n"); + printf("\thandle : %i\n", fb->handle); + printf("\twidth : %i\n", fb->width); + printf("\theight : %i\n", fb->height); + printf("\tpitch : %i\n", fb->pitch);; + printf("\tbpp : %i\n", fb->bpp); + printf("\tdepth : %i\n", fb->depth); + printf("\tbuffer_id : %i\n", fb->buffer_id); + + return 0; +} + +int printRes(int fd, drmModeResPtr res) +{ + int i; + drmModeOutputPtr output; + drmModeCrtcPtr crtc; + drmModeFBPtr fb; + + for (i = 0; i < res->count_modes; i++) { + printMode(&res->modes[i]); + } + + for (i = 0; i < res->count_outputs; i++) { + output = drmModeGetOutput(fd, res->outputs[i]); + + if (!output) + printf("Could not get output %i\n", i); + else { + printOutput(fd, res, output, res->outputs[i]); + drmModeFreeOutput(output); + } + } + + for (i = 0; i < res->count_crtcs; i++) { + crtc = drmModeGetCrtc(fd, res->crtcs[i]); + + if (!crtc) + printf("Could not get crtc %i\n", i); + else { + printCrtc(fd, res, crtc, res->crtcs[i]); + drmModeFreeCrtc(crtc); + } + } + + for (i = 0; i < res->count_fbs; i++) { + fb = drmModeGetFB(fd, res->fbs[i]); + + if (!fb) + printf("Could not get fb %i\n", res->fbs[i]); + else { + printFrameBuffer(fd, res, fb); + drmModeFreeFB(fb); + } + } + + return 0; +} + +static struct drm_mode_modeinfo mode = { + .name = "Test mode", + .clock = 25200, + .hdisplay = 640, + .hsync_start = 656, + .hsync_end = 752, + .htotal = 800, + .hskew = 0, + .vdisplay = 480, + .vsync_start = 490, + .vsync_end = 492, + .vtotal = 525, + .vscan = 0, + .vrefresh = 60000, /* vertical refresh * 1000 */ + .flags = 10, +}; + +int testMode(int fd, drmModeResPtr res) +{ + uint32_t output = res->outputs[0]; + uint32_t newMode = 0; + int ret = 0; + int error = 0; + + printf("Test: adding mode to output %i\n", output); + + /* printMode(&mode); */ + + printf("\tAdding mode\n"); + newMode = drmModeAddMode(fd, &mode); + if (!newMode) + goto err; + + printf("\tAttaching mode %i to output %i\n", newMode, output); + + ret = drmModeAttachMode(fd, output, newMode); + + if (ret) + goto err_mode; + + printf("\tDetaching mode %i from output %i\n", newMode, output); + ret = drmModeDetachMode(fd, output, newMode); + + if (ret) + goto err_mode; + + printf("\tRemoveing new mode %i\n", newMode); + ret = drmModeRmMode(fd, newMode); + if (ret) + goto err; + + return 0; + +err_mode: + error = drmModeRmMode(fd, newMode); + +err: + printf("\tFailed\n"); + + if (error) + printf("\tFailed to delete mode %i\n", newMode); + + return 1; +} + +/* +int testFrameBufferGet(int fd, uint32_t fb) +{ + drmModeFBPtr frame; + + printf("Test: get framebuffer %i\n", fb); + + frame = drmModeGetFB(fd, fb); + + if (!frame) { + printf("\tFailed\n"); + } else { + printFrameBuffer(fd, frame); + drmModeFreeFB(frame); + } + + return 0; +} +*/ + +int testFrameBufferAdd(int fd, drmModeResPtr res) +{ + uint32_t fb = 0; + int ret = 0; + drmModeFBPtr frame = 0; + drmBO bo; + + printf("Test: adding framebuffer\n"); + + printf("\tCreating BO\n"); + + /* TODO */ + ret = 1; + if (ret) + goto err; + + printf("\tAdding FB\n"); + ret = drmModeAddFB(fd, 640, 480, 32, 8, 0, &bo, &fb); + if (ret) + goto err_bo; + + frame = drmModeGetFB(fd, fb); + + if (!frame) { + printf("Couldn't retrive created framebuffer\n"); + } else { + printFrameBuffer(fd, res, frame); + drmModeFreeFB(frame); + } + + printf("\tRemoveing FB\n"); + + ret = drmModeRmFB(fd, fb); + + if (ret) { + printf("\tFailed this shouldn't happen!\n"); + goto err_bo; + } + + printf("\tRemoveing BO\n"); + + ret = drmBODestroy(fb, &bo); + + return 0; + +err_bo: + drmBODestroy(fd, &bo); + +err: + printf("\tFailed\n"); + + return 1; +} + + +int main(int argc, char **argv) +{ + int fd; + const char *driver = "i915"; /* hardcoded for now */ + drmModeResPtr res; + + printf("Starting test\n"); + + fd = drmOpen(driver, NULL); + + if (fd < 0) { + printf("Failed to open the card fb\n"); + return 1; + } + + res = drmModeGetResources(fd); + if (res == 0) { + printf("Failed to get resources from card\n"); + drmClose(fd); + return 1; + } + + printRes(fd, res); + + testMode(fd, res); + + testFrameBufferAdd(fd, res); + + drmModeFreeResources(res); + printf("Ok\n"); + + return 0; +} diff --git a/tests/mode/test b/tests/mode/test new file mode 100755 index 00000000..fa155f4e --- /dev/null +++ b/tests/mode/test @@ -0,0 +1 @@ +LD_PRELOAD=../../libdrm/.libs/libdrm.so ./modetest |