diff options
| -rw-r--r-- | libdrm/xf86drmMode.c | 407 | ||||
| -rw-r--r-- | libdrm/xf86drmMode.h | 290 | ||||
| -rw-r--r-- | linux-core/drm_crtc.c | 218 | ||||
| -rw-r--r-- | linux-core/drm_crtc.h | 12 | ||||
| -rw-r--r-- | linux-core/drm_drv.c | 4 | ||||
| -rw-r--r-- | shared-core/drm.h | 20 |
6 files changed, 902 insertions, 49 deletions
diff --git a/libdrm/xf86drmMode.c b/libdrm/xf86drmMode.c new file mode 100644 index 00000000..b48ca838 --- /dev/null +++ b/libdrm/xf86drmMode.c @@ -0,0 +1,407 @@ +/* + * \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> + +/* + * 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 drmModeFreeFrameBuffer(drmModeFrameBufferPtr 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; + + res.count_crtcs = 0; + res.count_outputs = 0; + res.count_modes = 0; + res.modes = 0; + + if (ioctl(fd, DRM_IOCTL_MODE_GETRESOURCES, &res)) + return 0; + + 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)) + goto err_allocs; + + /* + * return + */ + + + if (!(r = drmMalloc(sizeof(*r)))) + return 0; + + r->frameBufferId = res.fb_id; + 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->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)); + + drmFree(res.crtc_id); + drmFree(res.output_id); + drmFree(res.modes); + + return r; + +err_allocs: + drmFree(res.crtc_id); + drmFree(res.output_id); + drmFree(res.modes); + + return 0; +} + +#if 0 +int drmModeForceProbe(int fd, uint32_t outputId) +{ + /* TODO impl/keep? */ +} + +drmModeFrameBufferPtr drmModeGetFrameBuffer(int fd, uint32_t buf) +{ +// struct drm_mode_fb_cmd info; + drmModeFrameBufferPtr r; + + // if (ioctl(fd, DRM_IOCTL_MODE_GETFRAMEBUFFER, &info)) + return 0; + + if (!(r = drmMalloc(sizeof(*r)))) + return 0; + + /* TODO change to new code + r->minWidth = info.minWidth; + r->maxWidth = info.maxWidth; + r->minHeight = info.minHeight; + r->maxHeight = info.maxHeight;*/ + + return r; +} + +uint32_t drmModeNewFrameBuffer(int fd, uint32_t width, uint32_t height, + uint8_t bpp, uint32_t pitch, drmBO *bo) +{ + drm_mode_fb_cmd_t f; + + f.handle = bo->handle; + f.width = width; + f.height = height; + f.pitch = pitch; + + // if (ioctl(fd, DRM_IOCTL_MODE_NEWFRAMEBUFFER, &f)) + return 0; + + return f.bufferId; +} + +int drmModeDesFrameBuffer(int fd, uint32_t bufferId) +{ + // return ioctl(fd, DRM_IOCTL_MODE_DESFRAMEBUFFER, bufferId); +} + +#endif +/* + * Crtc function. + */ + +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->width = crtc.width; +// r->height = crtc.height; + r->bufferId = 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; +} + +#if 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.crtcId = crtcId; + crtc.bufferId = bufferId; + crtc.set_outputs = outputs; + crtc.count_outputs = count; + crtc.mode = modeId; + + // return ioctl(fd, DRM_IOCTL_MODE_SETCRTC, &crtc); +} + +drmModeGammaTriplePtr drmModeGetCrtcGamma(int fd, uint32_t crtc, int *count) +{ + /* TODO impl */ +} + +int drmModeSetCrtcGamma(int fd, uint32_t crtcId, + drmModeGammaTriplePtr ptr, int count) +{ + /* TODO impl */ +} + +#endif +/* + * 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)); + + return r; + +err_allocs: + drmFree(out.modes); + + return 0; +} + +#if 0 +uint32_t drmModeNewMode(int fd, struct drm_mode_modeinfo *modeInfo) +{ + /* TODO impl */ +} + +int drmModeDesMode(int fd, uint32_t modeId) +{ + // return ioctl(fd, DRM_IOCTL_MODE_DESMODE, modeId); +} + +int drmModeAddMode(int fd, uint32_t outputId, uint32_t modeId) +{ + + drm_mode_outputmode_t res; + + res.outputId = outputId; + res.modeId = modeId; + + // return ioctl(fd, DRM_IOCTL_MODE_ADDMODE, &res); +} + +int drmModeDelMode(int fd, uint32_t outputId, uint32_t modeId) +{ + drm_mode_outputmode_t res; + + res.outputId = outputId; + res.modeId = modeId; + + // return ioctl(fd, DRM_IOCTL_MODE_DELMODE, &res); +} + +#endif + diff --git a/libdrm/xf86drmMode.h b/libdrm/xf86drmMode.h new file mode 100644 index 00000000..c027a16d --- /dev/null +++ b/libdrm/xf86drmMode.h @@ -0,0 +1,290 @@ +/* + * \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 randr 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 + * + * All framebuffer, crtc and output ids start at 1 while 0 is either an invalid + * parameter or used to indicate that the command should disconnect from the + * currently bound target, as with drmModeMapOutput. + * + * Currently only one framebuffer exist and has a id of 1, which is also the + * default framebuffer and should allways be avaible to the client, unless + * it is locked/used or any other limiting state is applied on it. + * + */ + +typedef struct _drmModeGammaTriple { + uint16_t r, g, b; +} drmModeGammaTriple, *drmModeGammaTriplePtr; + +typedef struct _drmModeRes { + + uint32_t frameBufferId; + + int count_crtcs; + uint32_t *crtcs; + + int count_outputs; + uint32_t *outputs; + + int count_modes; + struct drm_mode_modeinfo *modes; + +} drmModeRes, *drmModeResPtr; + +typedef struct _drmModeFrameBuffer { + + uint32_t minWidth, maxWidth; + uint32_t minHeight, maxHeight; + +} drmModeFrameBuffer, *drmModeFrameBufferPtr; + +typedef struct _drmModeCrtc { + + unsigned int bufferId; /**< Buffer currently connected to */ + + 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 */ + + 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; + +/* + * RRSetScreenConfig o + * RRGetScreenInfo o + * + * RRGetScreenSizeRange - see frameBuffer info + * RRSetScreenSize + * RRGetScreenResources + * + * RRGetOutputInfo + * + * RRListOutputProperties * + * RRQueryOutputProperty * + * RRConfigureOutputProperty * + * RRChangeOutputProperty * + * RRDeleteOutputProperty * + * RRGetOutputProperty * + * + * RRCreateMode + * RRDestroyMode + * RRAddOutputMode + * RRDeleteOutputMode + * + * RRGetCrtcInfo + * RRSetCrtcConfig + * + * RRGetCrtcGammaSize - see crtc info + * RRGetCrtcGamma + * RRSetCrtcGamma + * + * drmModeGetResources + * drmModeForceProbe + * + * drmModeGetFrameBufferInfo + * drmModeSetFrameBufferSize + * + * drmModeGetCrtcInfo + * drmModeSetCrtcConfig + * drmModeGetCrtcGamma + * drmModeSetCrtcGamma + * + * drmModeGetOutputInfo + * + * drmModeAddMode + * drmModeDestroyMode + * drmModeAddOutputMode + * drmModeDeleteOutputMode + */ + +extern void drmModeFreeModeInfo( struct drm_mode_modeinfo *ptr ); +extern void drmModeFreeResources( drmModeResPtr ptr ); +extern void drmModeFreeFrameBuffer( drmModeFrameBufferPtr 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); + +/** + * Forces a probe of the give output outputId, on 0 all will be probed. + */ +extern int drmModeForceProbe(int fd, uint32_t outputId); + + +/* + * FrameBuffer manipulation. + */ + +/** + * Retrive information about framebuffer bufferId + */ +extern drmModeFrameBufferPtr drmModeGetFramebuffer(int fd, + uint32_t bufferId); + +/** + * Creates a new framebuffer with an buffer object as its scanout buffer. + */ +extern uint32_t drmModeNewFrameBuffer(int fd, + uint32_t width, uint32_t height, + uint8_t bbp, uint32_t pitch, drmBO *bo); + +/** + * Destroies the given framebuffer. + */ +extern int drmModeDesFrameBuffer(int fd, uint32_t bufferId); + +/** + * Changes the scanout buffer to the given buffer object. + */ +extern int drmModeFlipFrameBuffer(int fd, uint32_t bufferId, drmBO *bo); + +/* + * Crtc function. + */ + +/** + * 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); + +/** + * Gets the gamma from a crtc + */ +extern drmModeGammaTriplePtr drmModeGetCrtcGamma(int fd, uint32_t crtcId, + int *count); + +/** + * Sets the gamma on a crtc + */ +extern int drmModeSetCrtcGamma(int fd, uint32_t crtcId, + drmModeGammaTriplePtr ptr, int count); + + + +/* + * Output manipulation + */ + +/** + * Retrive information about the output outputId. + */ +extern drmModeOutputPtr drmModeGetOutput(int fd, + uint32_t outputId); + +/** + * Creates a new mode from the given mode info. + * Name must be unique. + */ +extern uint32_t drmModeNewMode(int fd, struct drm_mode_modeinfo *modeInfo); + +/** + * Destroys a mode created with CreateMode, must be unused. + */ +extern int drmModeDesMode(int fd, uint32_t modeId); + +/** + * Adds the given mode to an output. + */ +extern int drmModeAddMode(int fd, uint32_t outputId, uint32_t modeId); + +/** + * Deletes a mode Added with AddOutputMode from the output, + * must be unused, by the given mode. + */ +extern int drmModeDelMode(int fd, uint32_t outputId, uint32_t modeId); + diff --git a/linux-core/drm_crtc.c b/linux-core/drm_crtc.c index 1311fa63..2dbe6de1 100644 --- a/linux-core/drm_crtc.c +++ b/linux-core/drm_crtc.c @@ -3,6 +3,33 @@ #include "drm.h" #include "drm_crtc.h" +int drm_mode_idr_get(struct drm_device *dev, void *ptr) +{ + int new_id = 0; + int ret; +again: + if (idr_pre_get(&dev->crtc_config.crtc_idr, GFP_KERNEL) == 0) { + DRM_ERROR("Ran out memory getting a mode number\n"); + return 0; + } + + spin_lock(&dev->crtc_config.config_lock); + + ret = idr_get_new_above(&dev->crtc_config.crtc_idr, ptr, 1, &new_id); + if (ret == -EAGAIN) { + spin_unlock(&dev->crtc_config.config_lock); + goto again; + } + + spin_unlock(&dev->crtc_config.config_lock); + return new_id; +} + +void drm_mode_idr_put(struct drm_device *dev, int id) +{ + idr_remove(&dev->crtc_config.crtc_idr, id); +} + struct drm_framebuffer *drm_framebuffer_create(drm_device_t *dev) { struct drm_framebuffer *fb; @@ -20,7 +47,8 @@ struct drm_framebuffer *drm_framebuffer_create(drm_device_t *dev) return NULL; } - + + fb->id = drm_mode_idr_get(dev, fb); fb->dev = dev; spin_lock(&dev->crtc_config.config_lock); dev->crtc_config.num_fb++; @@ -35,6 +63,7 @@ void drm_framebuffer_destroy(struct drm_framebuffer *fb) drm_device_t *dev = fb->dev; spin_lock(&dev->crtc_config.config_lock); + drm_mode_idr_put(dev, fb->id); list_del(&fb->head); dev->crtc_config.num_fb--; spin_unlock(&dev->crtc_config.config_lock); @@ -45,19 +74,21 @@ void drm_framebuffer_destroy(struct drm_framebuffer *fb) struct drm_crtc *drm_crtc_create(drm_device_t *dev, const struct drm_crtc_funcs *funcs) { - struct drm_crtc *crtc = NULL; - crtc = kmalloc(sizeof(struct drm_crtc), GFP_KERNEL); + struct drm_crtc *crtc; + + crtc = kzalloc(sizeof(struct drm_crtc), GFP_KERNEL); if (!crtc) return NULL; crtc->dev = dev; crtc->funcs = funcs; - spin_lock(&dev->crtc_config.config_lock); + crtc->id = drm_mode_idr_get(dev, crtc); + DRM_DEBUG("crtc %p got id %d\n", crtc, crtc->id); + spin_lock(&dev->crtc_config.config_lock); list_add_tail(&crtc->head, &dev->crtc_config.crtc_list); dev->crtc_config.num_crtc++; - spin_unlock(&dev->crtc_config.config_lock); return crtc; @@ -71,7 +102,9 @@ void drm_crtc_destroy(struct drm_crtc *crtc) if (crtc->funcs->cleanup) (*crtc->funcs->cleanup)(crtc); + spin_lock(&dev->crtc_config.config_lock); + drm_mode_idr_put(dev, crtc->id); list_del(&crtc->head); dev->crtc_config.num_crtc--; spin_unlock(&dev->crtc_config.config_lock); @@ -257,6 +290,7 @@ bool drm_set_desired_modes(struct drm_device *dev) list_for_each_entry(crtc, &dev->crtc_config.crtc_list, head) { output = NULL; + DRM_DEBUG("crtc is %d\n", crtc->id); list_for_each_entry(list_output, &dev->crtc_config.output_list, head) { if (list_output->crtc == crtc) { output = list_output; @@ -345,6 +379,7 @@ struct drm_output *drm_output_create(drm_device_t *dev, output->dev = dev; output->funcs = funcs; + output->id = drm_mode_idr_get(dev, output); if (name) strncpy(output->name, name, DRM_OUTPUT_LEN); output->name[DRM_OUTPUT_LEN - 1] = 0; @@ -382,6 +417,7 @@ void drm_output_destroy(struct drm_output *output) drm_mode_remove(output, mode); spin_lock(&dev->crtc_config.config_lock); + drm_mode_idr_put(dev, output->id); list_del(&output->head); spin_unlock(&dev->crtc_config.config_lock); kfree(output); @@ -411,28 +447,13 @@ struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev) if (!nmode) return NULL; -again: - if (idr_pre_get(&dev->crtc_config.mode_idr, GFP_KERNEL) == 0) { - DRM_ERROR("Ran out memory getting a mode number\n"); - kfree(nmode); - return NULL; - } - - spin_lock(&dev->crtc_config.config_lock); - - ret = idr_get_new(&dev->crtc_config.mode_idr, nmode, &nmode->mode_id); - if (ret == -EAGAIN) { - udelay(1); - spin_unlock(&dev->crtc_config.config_lock); - goto again; - } - spin_unlock(&dev->crtc_config.config_lock); + nmode->mode_id = drm_mode_idr_get(dev, nmode); return nmode; } void drm_crtc_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) { - idr_remove(&dev->crtc_config.mode_idr, mode->mode_id); + drm_mode_idr_put(dev, mode->mode_id); kfree(mode); } @@ -443,7 +464,7 @@ void drm_crtc_config_init(drm_device_t *dev) INIT_LIST_HEAD(&dev->crtc_config.fb_list); INIT_LIST_HEAD(&dev->crtc_config.crtc_list); INIT_LIST_HEAD(&dev->crtc_config.output_list); - idr_init(&dev->crtc_config.mode_idr); + idr_init(&dev->crtc_config.crtc_idr); } EXPORT_SYMBOL(drm_crtc_config_init); @@ -502,6 +523,7 @@ bool drm_initial_config(drm_device_t *dev, bool can_grow) /* bind both CRTCs to this fb */ /* only initialise one crtc to enabled state */ list_for_each_entry(crtc, &dev->crtc_config.crtc_list, head) { + DRM_DEBUG("crtc is %d\n", crtc->id); crtc->fb = fb; if (!vga_crtc) { vga_crtc = crtc; @@ -568,7 +590,6 @@ void drm_crtc_config_cleanup(drm_device_t *dev) drm_output_destroy(output); } - list_for_each_entry_safe(crtc, ct, &dev->crtc_config.crtc_list, head) { drm_crtc_destroy(crtc); } @@ -592,6 +613,8 @@ void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, struct drm_display out->vscan = in->vscan; out->flags = in->flags; + strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); + out->name[DRM_DISPLAY_MODE_LEN-1] = 0; } @@ -605,15 +628,24 @@ int drm_mode_getresources(struct inode *inode, struct file *filp, struct drm_mode_card_res card_res; struct list_head *lh; struct drm_output *output; + struct drm_crtc *crtc; struct drm_mode_modeinfo u_mode; struct drm_display_mode *mode; int retcode = 0; int mode_count= 0; + int output_count = 0; + int crtc_count = 0; + int copied = 0; memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); + + list_for_each(lh, &dev->crtc_config.crtc_list) + crtc_count++; + list_for_each_entry(output, &dev->crtc_config.output_list, head) { + output_count++; list_for_each(lh, &output->modes) mode_count++; } @@ -621,8 +653,38 @@ int drm_mode_getresources(struct inode *inode, struct file *filp, if (copy_from_user(&card_res, argp, sizeof(card_res))) return -EFAULT; + /* handle this in 3 parts */ + /* CRTCs */ + if (card_res.count_crtcs >= crtc_count) { + copied = 0; + list_for_each_entry(crtc, &dev->crtc_config.crtc_list, head){ + DRM_DEBUG("CRTC ID is %d\n", crtc->id); + if (put_user(crtc->id, &card_res.crtc_id[copied++])) { + retcode = -EFAULT; + goto done; + } + } + } + card_res.count_crtcs = crtc_count; + + + /* Outputs */ + if (card_res.count_outputs >= output_count) { + copied = 0; + list_for_each_entry(output, &dev->crtc_config.output_list, + head) { + DRM_DEBUG("OUTPUT ID is %d\n", output->id); + if (put_user(output->id, &card_res.output_id[copied++])) { + retcode = -EFAULT; + goto done; + } + } + } + card_res.count_outputs = output_count; + + /* Modes */ if (card_res.count_modes >= mode_count) { - int copied = 0; + copied = 0; list_for_each_entry(output, &dev->crtc_config.output_list, head) { list_for_each_entry(mode, &output->modes, head) { @@ -634,19 +696,7 @@ int drm_mode_getresources(struct inode *inode, struct file *filp, } } } - - else { - list_for_each(lh, &dev->crtc_config.crtc_list) - card_res.count_crtcs++; - - list_for_each_entry(output, &dev->crtc_config.output_list, - head) - { - list_for_each(lh, &output->modes) - card_res.count_modes++; - card_res.count_outputs++; - } - } + card_res.count_modes = mode_count; done: DRM_DEBUG("Counted %d %d %d\n", card_res.count_crtcs, @@ -658,3 +708,95 @@ done: return retcode; } + +int drm_mode_getcrtc(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + struct drm_mode_crtc __user *argp = (void __user *)arg; + struct drm_mode_crtc crtc_resp; + struct drm_crtc *crtc; + struct drm_output *output; + int ocount; + int retcode = 0; + + if (copy_from_user(&crtc_resp, argp, sizeof(crtc_resp))) + return -EFAULT; + + crtc = idr_find(&dev->crtc_config.crtc_idr, crtc_resp.crtc_id); + if (!crtc || (crtc->id != crtc_resp.crtc_id)) + return -EINVAL; + 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->crtc_config.output_list, head) { + if (output->crtc == crtc) + crtc_resp.outputs |= 1 << (ocount++); + } + } else { + crtc_resp.mode = 0; + } + + if (copy_to_user(argp, &crtc_resp, sizeof(crtc_resp))) + return -EFAULT; + + return retcode; +} + +int drm_mode_getoutput(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + struct drm_mode_get_output __user *argp = (void __user *)arg; + struct drm_mode_get_output out_resp; + struct drm_crtc *crtc; + struct drm_output *output; + struct drm_display_mode *mode; + int mode_count = 0; + int retcode = 0; + int copied = 0; + + if (copy_from_user(&out_resp, argp, sizeof(out_resp))) + return -EFAULT; + + output= idr_find(&dev->crtc_config.crtc_idr, out_resp.output); + if (!output || (output->id != out_resp.output)) + return -EINVAL; + + list_for_each_entry(mode, &output->modes, head) + mode_count++; + + 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) { + copied = 0; + list_for_each_entry(mode, &output->modes, head) { + if (put_user(mode->mode_id, &out_resp.modes[copied++])) { + retcode = -EFAULT; + goto done; + } + } + } + out_resp.count_modes = mode_count; + +done: + if (copy_to_user(argp, &out_resp, sizeof(out_resp))) + return -EFAULT; + + return retcode; +} diff --git a/linux-core/drm_crtc.h b/linux-core/drm_crtc.h index 003946bc..e608b462 100644 --- a/linux-core/drm_crtc.h +++ b/linux-core/drm_crtc.h @@ -74,8 +74,6 @@ enum drm_mode_status { #define DRM_MODE_TYPE_CLOCK_CRTC_C (DRM_MODE_TYPE_CLOCK_C | \ DRM_MODE_TYPE_CRTC_C) -#define DRM_DISPLAY_MODE_LEN 32 - #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), \ @@ -173,6 +171,7 @@ enum subpixel_order { struct drm_framebuffer { struct drm_device *dev; struct list_head head; + int id; /* idr assigned */ unsigned int pitch; unsigned long offset; unsigned int width; @@ -259,6 +258,8 @@ struct drm_crtc { struct drm_device *dev; struct list_head head; + int id; /* idr assigned */ + /* framebuffer the CRTC is currently bound to */ struct drm_framebuffer *fb; @@ -350,6 +351,7 @@ 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; @@ -394,7 +396,7 @@ struct drm_crtc_config_funcs { */ struct drm_crtc_config { spinlock_t config_lock; - struct idr mode_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; @@ -437,5 +439,9 @@ extern void drm_crtc_mode_destroy(struct drm_device *dev, struct drm_display_mod extern int drm_mode_getresources(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); +extern int drm_mode_getcrtc(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int drm_mode_getoutput(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); #endif /* __DRM_CRTC_H__ */ diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c index 9877db13..7d436f8a 100644 --- a/linux-core/drm_drv.c +++ b/linux-core/drm_drv.c @@ -123,7 +123,9 @@ static drm_ioctl_desc_t drm_ioctls[] = { DRM_AUTH }, [DRM_IOCTL_NR(DRM_IOCTL_UPDATE_DRAW)] = {drm_update_drawable_info, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, - [DRM_IOCTL_NR(DRM_IOCTL_MODE_GETRESOURCES)] = {drm_mode_getresources, DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_IOCTL_MODE_GETRESOURCES)] = {drm_mode_getresources, DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_IOCTL_MODE_GETCRTC)] = {drm_mode_getcrtc, DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_IOCTL_MODE_GETOUTPUT)] = {drm_mode_getoutput, DRM_MASTER|DRM_ROOT_ONLY}, }; #define DRM_CORE_IOCTL_COUNT ARRAY_SIZE( drm_ioctls ) diff --git a/shared-core/drm.h b/shared-core/drm.h index 33194dcc..1af0be38 100644 --- a/shared-core/drm.h +++ b/shared-core/drm.h @@ -892,6 +892,8 @@ typedef union drm_mm_init_arg{ * Drm mode setting */ +#define DRM_DISPLAY_MODE_LEN 32 + struct drm_mode_modeinfo { unsigned int id; @@ -901,8 +903,8 @@ struct drm_mode_modeinfo { unsigned short vdisplay, vsync_start, vsync_end, vtotal, vscan; unsigned int flags; -// int count_flag; -// unsigned int __user *modeFlags; + + char name[DRM_DISPLAY_MODE_LEN]; }; struct drm_mode_card_res { @@ -910,7 +912,11 @@ struct drm_mode_card_res { unsigned int 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; @@ -918,10 +924,10 @@ struct drm_mode_card_res { struct drm_mode_crtc { unsigned int crtc_id; /**< Id */ - unsigned int buffer_id; /**< Id of framebuffer */ + unsigned int fb_id; /**< Id of framebuffer */ int x, y; /**< Position on the frameuffer */ - unsigned int width, height; + unsigned int mode; /**< Current mode used */ int count_outputs; @@ -942,7 +948,7 @@ struct drm_mode_get_output { unsigned int crtc; /**< Id of crtc */ unsigned int connection; - unsigned int width, height; /**< HxW in millimeters */ + unsigned int mm_width, mm_height; /**< HxW in millimeters */ unsigned int subpixel; int count_crtcs; @@ -1028,8 +1034,8 @@ struct drm_mode_get_output { #define DRM_IOCTL_UPDATE_DRAW DRM_IOW(0x3f, drm_update_draw_t) #define DRM_IOCTL_MODE_GETRESOURCES DRM_IOWR(0xA0, struct drm_mode_card_res) -#define DRM_IOCTL_MODE_GETCRTC DRM_IOWR(0xA1, drm_mode_crtc_t) -#define DRM_IOCTL_MODE_GETOUTPUT DRM_IOWR(0xA2, drm_mode_get_output_t) +#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) /*@}*/ |