diff options
Diffstat (limited to 'shared-core')
| -rw-r--r-- | shared-core/Makefile.am | 1 | ||||
| -rw-r--r-- | shared-core/nouveau_drm.h | 119 | ||||
| -rw-r--r-- | shared-core/nouveau_drv.h | 168 | ||||
| -rw-r--r-- | shared-core/nouveau_fifo.c | 270 | ||||
| -rw-r--r-- | shared-core/nouveau_irq.c | 208 | ||||
| -rw-r--r-- | shared-core/nouveau_mem.c | 503 | ||||
| -rw-r--r-- | shared-core/nouveau_object.c | 565 | ||||
| -rw-r--r-- | shared-core/nouveau_reg.h | 103 | ||||
| -rw-r--r-- | shared-core/nouveau_state.c | 134 |
9 files changed, 2071 insertions, 0 deletions
diff --git a/shared-core/Makefile.am b/shared-core/Makefile.am index cd278643..f0ebf2a3 100644 --- a/shared-core/Makefile.am +++ b/shared-core/Makefile.am @@ -29,6 +29,7 @@ klibdrminclude_HEADERS = \ i915_drm.h \ mach64_drm.h \ mga_drm.h \ + nouveau_drm.h \ r128_drm.h \ radeon_drm.h \ savage_drm.h \ diff --git a/shared-core/nouveau_drm.h b/shared-core/nouveau_drm.h new file mode 100644 index 00000000..eab8ca29 --- /dev/null +++ b/shared-core/nouveau_drm.h @@ -0,0 +1,119 @@ +/* + * Copyright 2005 Stephane Marchesin. + * All Rights Reserved. + * + * 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 + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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. + */ + +#ifndef __NOUVEAU_DRM_H__ +#define __NOUVEAU_DRM_H__ + +typedef struct drm_nouveau_fifo_init { + int channel; + uint32_t put_base; + /* FIFO control regs */ + drm_handle_t ctrl; + int ctrl_size; + /* DMA command buffer */ + drm_handle_t cmdbuf; + int cmdbuf_size; +} +drm_nouveau_fifo_init_t; + +typedef struct drm_nouveau_object_init { + uint32_t handle; + int class; + uint32_t flags0, flags1, flags2; + /* these are object handles */ + uint32_t dma0; + uint32_t dma1; + uint32_t dma_notifier; +} +drm_nouveau_object_init_t; + +typedef struct drm_nouveau_dma_object_init { + uint32_t handle; + int access; + int target; + uint32_t offset; + int size; +} +drm_nouveau_dma_object_init_t; + +#define NOUVEAU_MEM_FB 0x00000001 +#define NOUVEAU_MEM_AGP 0x00000002 +#define NOUVEAU_MEM_FB_ACCEPTABLE 0x00000004 +#define NOUVEAU_MEM_AGP_ACCEPTABLE 0x00000008 +#define NOUVEAU_MEM_PINNED 0x00000010 +#define NOUVEAU_MEM_USER_BACKED 0x00000020 +#define NOUVEAU_MEM_MAPPED 0x00000040 + +typedef struct drm_nouveau_mem_alloc { + int flags; + int alignment; + uint64_t size; // in bytes + uint64_t __user *region_offset; +} +drm_nouveau_mem_alloc_t; + +typedef struct drm_nouveau_mem_free { + int flags; + uint64_t region_offset; +} +drm_nouveau_mem_free_t; + +enum nouveau_card_type { + NV_UNKNOWN =0, + NV_01 =1, + NV_03 =3, + NV_04 =4, + NV_05 =5, + NV_10 =10, + NV_20 =20, + NV_30 =30, + NV_40 =40, + G_70 =50, + NV_LAST =0xffff, +}; + +enum nouveau_bus_type { + NV_AGP =0, + NV_PCI =1, + NV_PCIE =2, +}; + +#define NOUVEAU_MAX_SAREA_CLIPRECTS 16 + +typedef struct drm_nouveau_sarea { + /* the cliprects */ + drm_clip_rect_t boxes[NOUVEAU_MAX_SAREA_CLIPRECTS]; + unsigned int nbox; +} +drm_nouveau_sarea_t; + +#define DRM_NOUVEAU_FIFO_INIT 0x00 +#define DRM_NOUVEAU_PFIFO_REINIT 0x01 +#define DRM_NOUVEAU_OBJECT_INIT 0x02 +#define DRM_NOUVEAU_DMA_OBJECT_INIT 0x03 // We don't want this eventually.. +#define DRM_NOUVEAU_MEM_ALLOC 0x04 +#define DRM_NOUVEAU_MEM_FREE 0x05 + +#endif /* __NOUVEAU_DRM_H__ */ + diff --git a/shared-core/nouveau_drv.h b/shared-core/nouveau_drv.h new file mode 100644 index 00000000..c4f9718d --- /dev/null +++ b/shared-core/nouveau_drv.h @@ -0,0 +1,168 @@ +/* + * Copyright 2005 Stephane Marchesin. + * All Rights Reserved. + * + * 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 + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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. + */ + +#ifndef __NOUVEAU_DRV_H__ +#define __NOUVEAU_DRV_H__ + +#define DRIVER_AUTHOR "Stephane Marchesin" +#define DRIVER_EMAIL "dri-devel@lists.sourceforge.net" + +#define DRIVER_NAME "nouveau" +#define DRIVER_DESC "nVidia Riva/TNT/GeForce" +#define DRIVER_DATE "20060213" + +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 0 +#define DRIVER_PATCHLEVEL 0 + +#define NOUVEAU_FAMILY 0x0000FFFF +#define NOUVEAU_FLAGS 0xFFFF0000 + +#include "nouveau_drm.h" +#include "nouveau_reg.h" + +enum nouveau_flags { + NV_NFORCE =0x10000000, + NV_NFORCE2 =0x20000000 +}; + +struct nouveau_object +{ + struct nouveau_object *next; + struct nouveau_object *prev; + + uint32_t handle; + int class; + int engine; + uint32_t instance; + uint32_t ht_loc; +}; + +#define NV_DMA_TARGET_VIDMEM 0 +#define NV_DMA_TARGET_PCI 2 +#define NV_DMA_TARGET_AGP 3 +struct nouveau_fifo +{ + int used; + /* owner of this fifo */ + DRMFILE filp; + /* mapping of the fifo itself */ + drm_local_map_t *map; + /* mapping of the regs controling the fifo */ + drm_local_map_t *regs; + /* objects belonging to this fifo */ + struct nouveau_object *objs; +}; + +struct nouveau_object_store +{ + int ht_bits; + int ht_size; + int ht_base; + + uint32_t *inst_bmap; + uint32_t first_instance; + int num_instance; + int free_instance; +}; + +struct mem_block { + struct mem_block *next; + struct mem_block *prev; + uint64_t start; + uint64_t size; + DRMFILE filp; /* 0: free, -1: heap, other: real files */ + int flags; + drm_local_map_t *map; +}; + +typedef struct drm_nouveau_private { + /* the card type, takes NV_* as values */ + int card_type; + int flags; + + drm_local_map_t *mmio; + drm_local_map_t *fb; + + int64_t fb_usable_size; + + int cur_fifo; + + struct nouveau_object *fb_obj; + struct nouveau_object *cmdbuf_obj; + int cmdbuf_location; + int cmdbuf_base; + int cmdbuf_ch_size; + struct mem_block* cmdbuf_alloc; + + struct nouveau_fifo fifos[NV_MAX_FIFO_NUMBER]; + struct nouveau_object_store objs; + + struct mem_block *agp_heap; + struct mem_block *fb_heap; + struct mem_block *fb_nomap_heap; + +} +drm_nouveau_private_t; + +/* nouveau_state.c */ +extern void nouveau_preclose(drm_device_t * dev, DRMFILE filp); +extern int nouveau_load(struct drm_device *dev, unsigned long flags); +extern int nouveau_firstopen(struct drm_device *dev); +extern int nouveau_unload(struct drm_device *dev); + +/* nouveau_mem.c */ +extern uint64_t nouveau_mem_fb_amount(struct drm_device *dev); +extern void nouveau_mem_release(DRMFILE filp, struct mem_block *heap); +extern int nouveau_ioctl_mem_alloc(DRM_IOCTL_ARGS); +extern int nouveau_ioctl_mem_free(DRM_IOCTL_ARGS); +extern struct mem_block* nouveau_mem_alloc(struct drm_device *dev, int alignment, uint64_t size, int flags, DRMFILE filp); +extern void nouveau_mem_free(struct drm_device* dev, struct mem_block*); +extern int nouveau_mem_init(struct drm_device *dev); +extern void nouveau_mem_close(struct drm_device *dev); + +/* nouveau_fifo.c */ +extern int nouveau_fifo_number(drm_device_t *dev); +extern void nouveau_fifo_cleanup(drm_device_t *dev, DRMFILE filp); +extern int nouveau_fifo_id_get(drm_device_t *dev, DRMFILE filp); + +/* nouveau_object.c */ +extern void nouveau_hash_table_init(drm_device_t *dev); +extern void nouveau_object_cleanup(drm_device_t *dev, DRMFILE filp); +extern struct nouveau_object *nouveau_dma_object_create(drm_device_t *dev, + uint32_t offset, uint32_t size, int access, uint32_t target); +extern int nouveau_ioctl_object_init(DRM_IOCTL_ARGS); +extern int nouveau_ioctl_dma_object_init(DRM_IOCTL_ARGS); + +/* nouveau_irq.c */ +extern irqreturn_t nouveau_irq_handler(DRM_IRQ_ARGS); +extern void nouveau_irq_preinstall(drm_device_t*); +extern void nouveau_irq_postinstall(drm_device_t*); +extern void nouveau_irq_uninstall(drm_device_t*); + +#define NV_READ(reg) DRM_READ32( dev_priv->mmio, (reg) ) +#define NV_WRITE(reg,val) DRM_WRITE32( dev_priv->mmio, (reg), (val) ) + +#endif /* __NOUVEAU_DRV_H__ */ + diff --git a/shared-core/nouveau_fifo.c b/shared-core/nouveau_fifo.c new file mode 100644 index 00000000..18ad7c5f --- /dev/null +++ b/shared-core/nouveau_fifo.c @@ -0,0 +1,270 @@ +/* + * Copyright 2005-2006 Stephane Marchesin + * All Rights Reserved. + * + * 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 + * PRECISION INSIGHT AND/OR ITS SUPPLIERS 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 "drmP.h" +#include "drm.h" +#include "nouveau_drv.h" +#include "nouveau_drm.h" + + +/* returns the number of hw fifos */ +int nouveau_fifo_number(drm_device_t* dev) +{ + drm_nouveau_private_t *dev_priv=dev->dev_private; + switch(dev_priv->card_type) + { + case NV_03: + return 8; + case NV_04: + case NV_05: + return 16; + default: + return 32; + } +} + +/* setup the fifo enable register */ +static void nouveau_fifo_enable(drm_device_t* dev) +{ + int i; + unsigned enable_val=0; + drm_nouveau_private_t *dev_priv = dev->dev_private; + + for(i=31;i>=0;i--) + { + enable_val<<=1; + if (dev_priv->fifos[i].used) + enable_val|=1; + } + DRM_DEBUG("enable_val=0x%08x\n", enable_val); + NV_WRITE(NV03_FIFO_ENABLE,enable_val); +} + +/*********************************** + * functions doing the actual work + ***********************************/ + +/* voir nv_xaa.c : NVResetGraphics + * mémoire mappée par nv_driver.c : NVMapMem + * voir nv_driver.c : NVPreInit + */ + +/* initializes a fifo */ +static int nouveau_fifo_init(drm_device_t* dev,drm_nouveau_fifo_init_t* init, DRMFILE filp) +{ + int i; + int ret; + drm_nouveau_private_t *dev_priv = dev->dev_private; + + /* + * Alright, here is the full story + * Nvidia cards have multiple hw fifo contexts (praise them for that, + * no complicated crash-prone context switches) + * X always uses context 0 (0x00800000) + * We allocate a new context for each app and let it write to it directly + * (woo, full userspace command submission !) + * When there are no more contexts, you lost + */ + for(i=0;i<nouveau_fifo_number(dev);i++) + if (dev_priv->fifos[i].used==0) + { + dev_priv->fifos[i].used=1; + break; + } + + /* no more fifos. you lost. */ + if (i==nouveau_fifo_number(dev)) + return DRM_ERR(EINVAL); + + /* that fifo is used */ + dev_priv->fifos[i].used=1; + dev_priv->fifos[i].filp=filp; + + /* enable the fifo */ + nouveau_fifo_enable(dev); + + /* make the fifo available to user space */ + init->channel = i; + init->put_base = i*dev_priv->cmdbuf_ch_size; + + NV_WRITE(NV03_FIFO_REGS_DMAPUT(i), init->put_base); + NV_WRITE(NV03_FIFO_REGS_DMAGET(i), init->put_base); + + /* first, the fifo control regs */ + init->ctrl = dev_priv->mmio->offset + NV03_FIFO_REGS(i); + init->ctrl_size = NV03_FIFO_REGS_SIZE; + ret = drm_addmap(dev, init->ctrl, init->ctrl_size, _DRM_REGISTERS, + 0, &dev_priv->fifos[i].regs); + if (ret != 0) + return ret; + + /* then, the fifo itself */ + init->cmdbuf = dev_priv->cmdbuf_base; + init->cmdbuf += init->channel * dev_priv->cmdbuf_ch_size; + init->cmdbuf_size = dev_priv->cmdbuf_ch_size; + ret = drm_addmap(dev, init->cmdbuf, init->cmdbuf_size, _DRM_REGISTERS, + 0, &dev_priv->fifos[i].map); + if (ret != 0) + return ret; + + /* FIFO has no objects yet */ + dev_priv->fifos[i].objs = NULL; + + DRM_DEBUG("%s: initialised FIFO %d\n", __func__, i); + dev_priv->cur_fifo = i; + return 0; +} +static void nouveau_pfifo_init(drm_device_t* dev); + +/* cleanups all the fifos from filp */ +void nouveau_fifo_cleanup(drm_device_t * dev, DRMFILE filp) +{ + int i; + drm_nouveau_private_t *dev_priv = dev->dev_private; + + DRM_DEBUG("clearing FIFO enables from filp\n"); + for(i=0;i<nouveau_fifo_number(dev);i++) + if (dev_priv->fifos[i].filp==filp) + dev_priv->fifos[i].used=0; + + if (dev_priv->cur_fifo == i) { + DRM_DEBUG("%s: cur_fifo is no longer owned.\n", __func__); + for (i=0;i<nouveau_fifo_number(dev);i++) + if (dev_priv->fifos[i].used) break; + if (i==nouveau_fifo_number(dev)) + i=0; + DRM_DEBUG("%s: new cur_fifo is %d\n", __func__, i); + dev_priv->cur_fifo = i; + } + + nouveau_pfifo_init(dev); +// nouveau_fifo_enable(dev); +} + +int nouveau_fifo_id_get(drm_device_t* dev, DRMFILE filp) +{ + drm_nouveau_private_t *dev_priv=dev->dev_private; + int i; + + for(i=0;i<nouveau_fifo_number(dev);i++) + if (dev_priv->fifos[i].filp == filp) + return i; + return -1; +} + +static void nouveau_pfifo_init(drm_device_t* dev) +{ + drm_nouveau_private_t *dev_priv = dev->dev_private; + + /* Init PFIFO - This is an exact copy of what's done in the Xorg ddx so far. + * We should be able to figure out what's happening from the + * resources available.. + */ + + if (dev->irq_enabled) + nouveau_irq_postinstall(dev); + + if (dev_priv->card_type >= NV_40) + NV_WRITE(NV_PGRAPH_NV40_UNK220, dev_priv->fb_obj->instance >> 4); + + DRM_DEBUG("%s: setting FIFO %d active\n", __func__, dev_priv->cur_fifo); + + NV_WRITE(NV_PFIFO_CACHES, 0x00000000); + nouveau_fifo_enable(dev); + + NV_WRITE(NV_PFIFO_CACH1_PSH0, 0x00000000); + NV_WRITE(NV_PFIFO_CACH1_PUL0, 0x00000000); + if (dev_priv->card_type >= NV_40) + NV_WRITE(NV_PFIFO_CACH1_PSH1, 0x00010000|dev_priv->cur_fifo); + else + NV_WRITE(NV_PFIFO_CACH1_PSH1, 0x00000100|dev_priv->cur_fifo); + NV_WRITE(NV_PFIFO_CACH1_DMAP, dev_priv->cur_fifo * dev_priv->cmdbuf_ch_size); + NV_WRITE(NV_PFIFO_CACH1_DMAG, dev_priv->cur_fifo * dev_priv->cmdbuf_ch_size); + NV_WRITE(NV_PFIFO_CACH1_DMAI, dev_priv->cmdbuf_obj->instance >> 4); + NV_WRITE(NV_PFIFO_CACH0_PSH0, 0x00000000); + NV_WRITE(NV_PFIFO_CACH0_PUL0, 0x00000000); + NV_WRITE(NV_PFIFO_SIZE , 0x0000FFFF); + NV_WRITE(NV_PFIFO_CACH1_HASH, 0x0000FFFF); + NV_WRITE(NV_PFIFO_CACH0_PUL1, 0x00000001); + NV_WRITE(NV_PFIFO_CACH1_DMAC, 0x00000000); + NV_WRITE(NV_PFIFO_CACH1_ENG, 0x00000000); +#ifdef __BIG_ENDIAN + NV_WRITE(NV_PFIFO_CACH1_DMAF, 0x800F0078); +#else + NV_WRITE(NV_PFIFO_CACH1_DMAF, 0x000F0078); +#endif + NV_WRITE(NV_PFIFO_CACH1_DMAS, 0x00000001); + NV_WRITE(NV_PFIFO_CACH1_PSH0, 0x00000001); + NV_WRITE(NV_PFIFO_CACH1_PUL0, 0x00000001); + NV_WRITE(NV_PFIFO_CACH1_PUL1, 0x00000001); + + NV_WRITE(NV_PFIFO_CACHES, 0x00000001); + + DRM_DEBUG("%s: CACHE1 GET/PUT readback %d/%d\n", __func__, + NV_READ(NV_PFIFO_CACH1_DMAG), + NV_READ(NV_PFIFO_CACH1_DMAP)); +} + +/*********************************** + * ioctls wrapping the functions + ***********************************/ + +static int nouveau_ioctl_fifo_init(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + drm_nouveau_fifo_init_t init; + int res; + DRM_COPY_FROM_USER_IOCTL(init, (drm_nouveau_fifo_init_t __user *) data, sizeof(init)); + + res=nouveau_fifo_init(dev,&init,filp); + if (!res) + DRM_COPY_TO_USER_IOCTL((drm_nouveau_fifo_init_t __user *)data, init, sizeof(init)); + + return res; +} + +static int nouveau_ioctl_fifo_reinit(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + + nouveau_pfifo_init(dev); + return 0; +} + +/*********************************** + * finally, the ioctl table + ***********************************/ + +drm_ioctl_desc_t nouveau_ioctls[] = { + [DRM_IOCTL_NR(DRM_NOUVEAU_FIFO_INIT)] = {nouveau_ioctl_fifo_init, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_NOUVEAU_PFIFO_REINIT)] = {nouveau_ioctl_fifo_reinit, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_NOUVEAU_OBJECT_INIT)] = {nouveau_ioctl_object_init, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_NOUVEAU_DMA_OBJECT_INIT)] = {nouveau_ioctl_dma_object_init, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_NOUVEAU_MEM_ALLOC)] = {nouveau_ioctl_mem_alloc, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_NOUVEAU_MEM_FREE)] = {nouveau_ioctl_mem_free, DRM_AUTH}, +}; + +int nouveau_max_ioctl = DRM_ARRAY_SIZE(nouveau_ioctls); + + diff --git a/shared-core/nouveau_irq.c b/shared-core/nouveau_irq.c new file mode 100644 index 00000000..d4691293 --- /dev/null +++ b/shared-core/nouveau_irq.c @@ -0,0 +1,208 @@ +#include "drmP.h" +#include "drm.h" +#include "nouveau_drm.h" +#include "nouveau_drv.h" +#include "nouveau_reg.h" + +void nouveau_irq_preinstall(drm_device_t *dev) +{ + drm_nouveau_private_t *dev_priv = dev->dev_private; + + DRM_DEBUG("IRQ: preinst\n"); + + /* Disable/Clear PFIFO interrupts */ + NV_WRITE(NV_PFIFO_INTEN, 0); + NV_WRITE(NV_PFIFO_INTSTAT, 0xFFFFFFFF); + /* Disable/Clear PGRAPH interrupts */ + NV_WRITE(NV_PGRAPH_INTEN, 0); + NV_WRITE(NV_PGRAPH_INTSTAT, 0xFFFFFFFF); +#if 0 + /* Disable/Clear CRTC0/1 interrupts */ + NV_WRITE(NV_CRTC0_INTEN, 0); + NV_WRITE(NV_CRTC0_INTSTAT, NV_CRTC_INTR_VBLANK); + NV_WRITE(NV_CRTC1_INTEN, 0); + NV_WRITE(NV_CRTC1_INTSTAT, NV_CRTC_INTR_VBLANK); +#endif + /* Master disable */ + NV_WRITE(NV_PMC_INTEN, 0); +} + +void nouveau_irq_postinstall(drm_device_t *dev) +{ + drm_nouveau_private_t *dev_priv = dev->dev_private; + + DRM_DEBUG("IRQ: postinst\n"); + + /* Enable PFIFO error reporting */ + NV_WRITE(NV_PFIFO_INTEN , NV_PFIFO_INTR_ERROR); + NV_WRITE(NV_PFIFO_INTSTAT, 0xFFFFFFFF); + + /* Enable PGRAPH interrupts */ + NV_WRITE(NV_PGRAPH_INTEN, + NV_PGRAPH_INTR_NOTIFY | + NV_PGRAPH_INTR_MISSING_HW | + NV_PGRAPH_INTR_BUFFER_NOTIFY | + NV_PGRAPH_INTR_ERROR + ); + NV_WRITE(NV_PGRAPH_INTSTAT, 0xFFFFFFFF); + +#if 0 + /* Enable CRTC0/1 interrupts */ + NV_WRITE(NV_CRTC0_INTEN, NV_CRTC_INTR_VBLANK); + NV_WRITE(NV_CRTC1_INTEN, NV_CRTC_INTR_VBLANK); +#endif + + /* Master enable */ + NV_WRITE(NV_PMC_INTEN, NV_PMC_INTEN_MASTER_ENABLE); +} + +void nouveau_irq_uninstall(drm_device_t *dev) +{ + drm_nouveau_private_t *dev_priv = dev->dev_private; + + DRM_DEBUG("IRQ: uninst\n"); + + /* Disable PFIFO interrupts */ + NV_WRITE(NV_PFIFO_INTEN, 0); + /* Disable PGRAPH interrupts */ + NV_WRITE(NV_PGRAPH_INTEN, 0); +#if 0 + /* Disable CRTC0/1 interrupts */ + NV_WRITE(NV_CRTC0_INTEN, 0); + NV_WRITE(NV_CRTC1_INTEN, 0); +#endif + /* Master disable */ + NV_WRITE(NV_PMC_INTEN, 0); +} + +void nouveau_fifo_irq_handler(drm_nouveau_private_t *dev_priv) +{ + uint32_t status, chmode, chstat; + + status = NV_READ(NV_PFIFO_INTSTAT); + if (!status) + return; + chmode = NV_READ(NV_PFIFO_MODE); + chstat = NV_READ(0x2508); + + DRM_DEBUG("NV: PFIFO interrupt! INTSTAT=0x%08x/MODE=0x%08x/PEND=0x%08x\n", + status, chmode, chstat); + + if (status & NV_PFIFO_INTR_ERROR) { + DRM_ERROR("NV: PFIFO error interrupt\n"); + + status &= ~NV_PFIFO_INTR_ERROR; + NV_WRITE(NV_PFIFO_INTSTAT, NV_PFIFO_INTR_ERROR); + } + + if (status) { + DRM_INFO("NV: unknown PFIFO interrupt. status=0x%08x\n", status); + + NV_WRITE(NV_PFIFO_INTSTAT, status); + } + + NV_WRITE(NV_PMC_INTSTAT, NV_PMC_INTSTAT_PFIFO_PENDING); +} + +void nouveau_pgraph_irq_handler(drm_nouveau_private_t *dev_priv) +{ + uint32_t status; + + status = NV_READ(NV_PGRAPH_INTSTAT); + if (!status) + return; + + if (status & NV_PGRAPH_INTR_NOTIFY) { + uint32_t nsource, nstatus, instance, notify; + DRM_DEBUG("NV: PGRAPH notify interrupt\n"); + + nstatus = NV_READ(0x00400104); + nsource = NV_READ(0x00400108); + DRM_DEBUG("nsource:0x%08x\tnstatus:0x%08x\n", nsource, nstatus); + + instance = NV_READ(0x00400158); + notify = NV_READ(0x00400150) >> 16; + DRM_DEBUG("instance:0x%08x\tnotify:0x%08x\n", nsource, nstatus); + + status &= ~NV_PGRAPH_INTR_NOTIFY; + NV_WRITE(NV_PGRAPH_INTSTAT, NV_PGRAPH_INTR_NOTIFY); + } + + if (status & NV_PGRAPH_INTR_BUFFER_NOTIFY) { + uint32_t nsource, nstatus, instance, notify; + DRM_DEBUG("NV: PGRAPH buffer notify interrupt\n"); + + nstatus = NV_READ(0x00400104); + nsource = NV_READ(0x00400108); + DRM_DEBUG("nsource:0x%08x\tnstatus:0x%08x\n", nsource, nstatus); + + instance = NV_READ(0x00400158); + notify = NV_READ(0x00400150) >> 16; + DRM_DEBUG("instance:0x%08x\tnotify:0x%08x\n", nsource, nstatus); + + status &= ~NV_PGRAPH_INTR_BUFFER_NOTIFY; + NV_WRITE(NV_PGRAPH_INTSTAT, NV_PGRAPH_INTR_BUFFER_NOTIFY); + } + + if (status & NV_PGRAPH_INTR_MISSING_HW) { + DRM_ERROR("NV: PGRAPH missing hw interrupt\n"); + + status &= ~NV_PGRAPH_INTR_MISSING_HW; + NV_WRITE(NV_PGRAPH_INTSTAT, NV_PGRAPH_INTR_MISSING_HW); + } + + if (status & NV_PGRAPH_INTR_ERROR) { + DRM_ERROR("NV: PGRAPH error interrupt\n"); + + status &= ~NV_PGRAPH_INTR_ERROR; + NV_WRITE(NV_PGRAPH_INTSTAT, NV_PGRAPH_INTR_ERROR); + } + + if (status) { + DRM_INFO("NV: Unknown PGRAPH interrupt! STAT=0x%08x\n", status); + NV_WRITE(NV_PGRAPH_INTSTAT, status); + } + + NV_WRITE(NV_PMC_INTSTAT, NV_PMC_INTSTAT_PGRAPH_PENDING); +} + +void nouveau_crtc_irq_handler(drm_nouveau_private_t *dev_priv, int crtc) +{ + if (crtc&1) { + NV_WRITE(NV_CRTC0_INTSTAT, NV_CRTC_INTR_VBLANK); + } + + if (crtc&2) { + NV_WRITE(NV_CRTC1_INTSTAT, NV_CRTC_INTR_VBLANK); + } +} + +irqreturn_t nouveau_irq_handler(DRM_IRQ_ARGS) +{ + drm_device_t *dev = (drm_device_t*)arg; + drm_nouveau_private_t *dev_priv = dev->dev_private; + uint32_t status; + + status = NV_READ(NV_PMC_INTSTAT); + + DRM_DEBUG("PMC INTSTAT: 0x%08x\n", status); + + if (status & NV_PMC_INTSTAT_PFIFO_PENDING) { + nouveau_fifo_irq_handler(dev_priv); + status &= ~NV_PMC_INTSTAT_PFIFO_PENDING; + } + if (status & NV_PMC_INTSTAT_PGRAPH_PENDING) { + nouveau_pgraph_irq_handler(dev_priv); + status &= ~NV_PMC_INTSTAT_PGRAPH_PENDING; + } + if (status & NV_PMC_INTSTAT_CRTCn_PENDING) { + nouveau_crtc_irq_handler(dev_priv, (status>>24)&3); + status &= ~NV_PMC_INTSTAT_CRTCn_PENDING; + } + + if (status) + DRM_ERROR("Unhandled PMC INTR status bits 0x%08x\n", status); + + return IRQ_HANDLED; +} + diff --git a/shared-core/nouveau_mem.c b/shared-core/nouveau_mem.c new file mode 100644 index 00000000..91fc6046 --- /dev/null +++ b/shared-core/nouveau_mem.c @@ -0,0 +1,503 @@ +/* + * Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved. + * Copyright 2005 Stephane Marchesin + * + * The Weather Channel (TM) funded Tungsten Graphics to develop the + * initial release of the Radeon 8500 driver under the XFree86 license. + * This notice must be preserved. + * + * 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 AND/OR THEIR SUPPLIERS 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: + * Keith Whitwell <keith@tungstengraphics.com> + */ + + +#include "drmP.h" +#include "drm.h" +#include "drm_sarea.h" +#include "nouveau_drv.h" + +static int meminit_ok=0; + +static struct mem_block *split_block(struct mem_block *p, uint64_t start, uint64_t size, + DRMFILE filp) +{ + /* Maybe cut off the start of an existing block */ + if (start > p->start) { + struct mem_block *newblock = + drm_alloc(sizeof(*newblock), DRM_MEM_BUFS); + if (!newblock) + goto out; + newblock->start = start; + newblock->size = p->size - (start - p->start); + newblock->filp = NULL; + newblock->next = p->next; + newblock->prev = p; + p->next->prev = newblock; + p->next = newblock; + p->size -= newblock->size; + p = newblock; + } + + /* Maybe cut off the end of an existing block */ + if (size < p->size) { + struct mem_block *newblock = + drm_alloc(sizeof(*newblock), DRM_MEM_BUFS); + if (!newblock) + goto out; + newblock->start = start + size; + newblock->size = p->size - size; + newblock->filp = NULL; + newblock->next = p->next; + newblock->prev = p; + p->next->prev = newblock; + p->next = newblock; + p->size = size; + } + +out: + /* Our block is in the middle */ + p->filp = filp; + return p; +} + +static struct mem_block *alloc_block(struct mem_block *heap, uint64_t size, + int align2, DRMFILE filp) +{ + struct mem_block *p; + uint64_t mask = (1 << align2) - 1; + + if (!heap) + return NULL; + + list_for_each(p, heap) { + uint64_t start = (p->start + mask) & ~mask; + if (p->filp == 0 && start + size <= p->start + p->size) + return split_block(p, start, size, filp); + } + + return NULL; +} + +static struct mem_block *find_block(struct mem_block *heap, uint64_t start) +{ + struct mem_block *p; + + list_for_each(p, heap) + if (p->start == start) + return p; + + return NULL; +} + +static void free_block(struct mem_block *p) +{ + p->filp = NULL; + + /* Assumes a single contiguous range. Needs a special filp in + * 'heap' to stop it being subsumed. + */ + if (p->next->filp == 0) { + struct mem_block *q = p->next; + p->size += q->size; + p->next = q->next; + p->next->prev = p; + drm_free(q, sizeof(*q), DRM_MEM_BUFS); + } + + if (p->prev->filp == 0) { + struct mem_block *q = p->prev; + q->size += p->size; + q->next = p->next; + q->next->prev = q; + drm_free(p, sizeof(*q), DRM_MEM_BUFS); + } +} + +/* Initialize. How to check for an uninitialized heap? + */ +static int init_heap(struct mem_block **heap, uint64_t start, uint64_t size) +{ + struct mem_block *blocks = drm_alloc(sizeof(*blocks), DRM_MEM_BUFS); + + if (!blocks) + return DRM_ERR(ENOMEM); + + *heap = drm_alloc(sizeof(**heap), DRM_MEM_BUFS); + if (!*heap) { + drm_free(blocks, sizeof(*blocks), DRM_MEM_BUFS); + return DRM_ERR(ENOMEM); + } + + blocks->start = start; + blocks->size = size; + blocks->filp = NULL; + blocks->next = blocks->prev = *heap; + + memset(*heap, 0, sizeof(**heap)); + (*heap)->filp = (DRMFILE) - 1; + (*heap)->next = (*heap)->prev = blocks; + return 0; +} + +/* + * Free all blocks associated with the releasing filp + */ +void nouveau_mem_release(DRMFILE filp, struct mem_block *heap) +{ + struct mem_block *p; + + if (!heap || !heap->next) + return; + + list_for_each(p, heap) { + if (p->filp == filp) + p->filp = NULL; + } + + /* Assumes a single contiguous range. Needs a special filp in + * 'heap' to stop it being subsumed. + */ + list_for_each(p, heap) { + while ((p->filp == 0) && (p->next->filp == 0) && (p->next!=heap)) { + struct mem_block *q = p->next; + p->size += q->size; + p->next = q->next; + p->next->prev = p; + drm_free(q, sizeof(*q), DRM_MEM_DRIVER); + } + } +} + +/* + * Cleanup everything + */ +static void nouveau_mem_takedown(struct mem_block **heap) +{ + struct mem_block *p; + + if (!*heap) + return; + + for (p = (*heap)->next; p != *heap;) { + struct mem_block *q = p; + p = p->next; + drm_free(q, sizeof(*q), DRM_MEM_DRIVER); + } + + drm_free(*heap, sizeof(**heap), DRM_MEM_DRIVER); + *heap = NULL; +} + +void nouveau_mem_close(struct drm_device *dev) +{ + drm_nouveau_private_t *dev_priv = dev->dev_private; + nouveau_mem_takedown(&dev_priv->agp_heap); + nouveau_mem_takedown(&dev_priv->fb_heap); +} + +/* returns the amount of FB ram in bytes */ +uint64_t nouveau_mem_fb_amount(struct drm_device *dev) +{ + drm_nouveau_private_t *dev_priv=dev->dev_private; + switch(dev_priv->card_type) + { + case NV_03: + switch(NV_READ(NV03_BOOT_0)&NV03_BOOT_0_RAM_AMOUNT) + { + case NV03_BOOT_0_RAM_AMOUNT_8MB: + case NV03_BOOT_0_RAM_AMOUNT_8MB_SDRAM: + return 8*1024*1024; + case NV03_BOOT_0_RAM_AMOUNT_4MB: + return 4*1024*1024; + case NV03_BOOT_0_RAM_AMOUNT_2MB: + return 2*1024*1024; + } + break; + case NV_04: + case NV_05: + switch(NV_READ(NV03_BOOT_0)&NV03_BOOT_0_RAM_AMOUNT) + { + case NV04_BOOT_0_RAM_AMOUNT_32MB: + return 32*1024*1024; + case NV04_BOOT_0_RAM_AMOUNT_16MB: + return 16*1024*1024; + case NV04_BOOT_0_RAM_AMOUNT_8MB: + return 8*1024*1024; + case NV04_BOOT_0_RAM_AMOUNT_4MB: + return 4*1024*1024; + } + break; + case NV_10: + case NV_20: + case NV_30: + case NV_40: + case G_70: + default: + // XXX won't work on BSD because of pci_read_config_dword + if (dev_priv->flags&NV_NFORCE) { + uint32_t mem; + pci_read_config_dword(dev->pdev, 0x7C, &mem); + return (uint64_t)(((mem >> 6) & 31) + 1)*1024*1024; + } else if(dev_priv->flags&NV_NFORCE2) { + uint32_t mem; + pci_read_config_dword(dev->pdev, 0x84, &mem); + return (uint64_t)(((mem >> 4) & 127) + 1)*1024*1024; + } else { + uint64_t mem; + mem=(NV_READ(NV04_FIFO_DATA)&NV10_FIFO_DATA_RAM_AMOUNT_MB_MASK) >> NV10_FIFO_DATA_RAM_AMOUNT_MB_SHIFT; + return mem*1024*1024; + } + break; + } + + DRM_ERROR("Unable to detect video ram size. Please report your setup to " DRIVER_EMAIL "\n"); + return 0; +} + + + +int nouveau_mem_init(struct drm_device *dev) +{ + drm_nouveau_private_t *dev_priv = dev->dev_private; + + /* init AGP */ + dev_priv->agp_heap=NULL; + if (drm_device_is_agp(dev)) + { + int err; + drm_agp_info_t info; + drm_agp_mode_t mode; + drm_agp_buffer_t agp_req; + drm_agp_binding_t bind_req; + + err = drm_agp_acquire(dev); + if (err) { + DRM_ERROR("Unable to acquire AGP: %d\n", err); + goto no_agp; + } + + err = drm_agp_info(dev, &info); + if (err) { + DRM_ERROR("Unable to get AGP info: %d\n", err); + goto no_agp; + } + + /* see agp.h for the AGPSTAT_* modes available */ + mode.mode = info.mode; + err = drm_agp_enable(dev, mode); + if (err) { + DRM_ERROR("Unable to enable AGP: %d\n", err); + goto no_agp; + } + + agp_req.size = info.aperture_size; + agp_req.type = 0; + err = drm_agp_alloc(dev, &agp_req); + if (err) { + DRM_ERROR("Unable to alloc AGP: %d\n", err); + goto no_agp; + } + + bind_req.handle = agp_req.handle; + bind_req.offset = 0; + err = drm_agp_bind(dev, &bind_req); + if (err) { + DRM_ERROR("Unable to bind AGP: %d\n", err); + goto no_agp; + } + + if (init_heap(&dev_priv->agp_heap, info.aperture_base, info.aperture_size)) + goto no_agp; + } +no_agp: + + /* Init FB */ + if (nouveau_mem_fb_amount(dev)>256*1024*1024) { + /* On cards with > 256Mb, you can't map everything. + * So we create a second FB heap for that type of memory */ + if (init_heap(&dev_priv->fb_heap, drm_get_resource_start(dev,1), 256*1024*1024)) + return DRM_ERR(ENOMEM); + if (init_heap(&dev_priv->fb_nomap_heap, drm_get_resource_start(dev,1)+256*1024*1024, nouveau_mem_fb_amount(dev)-256*1024*1024)) + return DRM_ERR(ENOMEM); + } else { + if (init_heap(&dev_priv->fb_heap, drm_get_resource_start(dev,1), nouveau_mem_fb_amount(dev))) + return DRM_ERR(ENOMEM); + dev_priv->fb_nomap_heap=NULL; + } + + return 0; +} + +struct mem_block* nouveau_mem_alloc(struct drm_device *dev, int alignment, uint64_t size, int flags, DRMFILE filp) +{ + struct mem_block *block; + int type; + drm_nouveau_private_t *dev_priv = dev->dev_private; + + /* + * Init memory if needed + */ + if (meminit_ok==0) + { + nouveau_mem_init(dev); + meminit_ok=1; + } + + /* + * Make things easier on ourselves: all allocations are page-aligned. + * We need that to map allocated regions into the user space + */ + if (alignment < PAGE_SHIFT) + alignment = PAGE_SHIFT; + + /* + * Warn about 0 sized allocations, but let it go through. It'll return 1 page + */ + if (size == 0) + DRM_INFO("warning : 0 byte allocation\n"); + + /* + * Keep alloc size a multiple of the page size to keep drm_addmap() happy + */ + if (size & (~PAGE_MASK)) + size = ((size/PAGE_SIZE) + 1) * PAGE_SIZE; + + if (flags&NOUVEAU_MEM_AGP) { + type=NOUVEAU_MEM_AGP; + block = alloc_block(dev_priv->agp_heap, size, alignment, filp); + if (block) goto alloc_ok; + } + if (flags&(NOUVEAU_MEM_FB|NOUVEAU_MEM_FB_ACCEPTABLE)) { + type=NOUVEAU_MEM_FB; + if (!(flags&NOUVEAU_MEM_MAPPED)) { + block = alloc_block(dev_priv->fb_nomap_heap, size, alignment, filp); + if (block) goto alloc_ok; + } + block = alloc_block(dev_priv->fb_heap, size, alignment, filp); + if (block) goto alloc_ok; + } + if (flags&NOUVEAU_MEM_AGP_ACCEPTABLE) { + type=NOUVEAU_MEM_AGP; + block = alloc_block(dev_priv->agp_heap, size, alignment, filp); + if (block) goto alloc_ok; + } + + return NULL; + +alloc_ok: + block->flags=type; + + if (flags&NOUVEAU_MEM_MAPPED) + { + int ret; + block->flags|=NOUVEAU_MEM_MAPPED; + + if (type == NOUVEAU_MEM_AGP) + ret = drm_addmap(dev, block->start - dev->agp->base, block->size, + _DRM_AGP, 0, &block->map); + else + ret = drm_addmap(dev, block->start, block->size, + _DRM_FRAME_BUFFER, 0, &block->map); + if (ret) { + free_block(block); + return NULL; + } + } + + DRM_INFO("allocated 0x%llx\n", block->start); + return block; +} + +void nouveau_mem_free(struct drm_device* dev, struct mem_block* block) +{ + DRM_INFO("freeing 0x%llx\n", block->start); + if (meminit_ok==0) + { + DRM_ERROR("%s called without init\n", __FUNCTION__); + return; + } + if (block->flags&NOUVEAU_MEM_MAPPED) + drm_rmmap(dev, block->map); + free_block(block); +} + +/* + * Ioctls + */ + +int nouveau_ioctl_mem_alloc(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + drm_nouveau_private_t *dev_priv = dev->dev_private; + drm_nouveau_mem_alloc_t alloc; + struct mem_block *block; + + if (!dev_priv) { + DRM_ERROR("%s called with no initialization\n", __FUNCTION__); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL(alloc, (drm_nouveau_mem_alloc_t __user *) data, + sizeof(alloc)); + + block=nouveau_mem_alloc(dev, alloc.alignment, alloc.size, alloc.flags, filp); + if (!block) + return DRM_ERR(ENOMEM); + + if (DRM_COPY_TO_USER(alloc.region_offset, &block->start, sizeof(uint64_t))) { + DRM_ERROR("copy_to_user\n"); + return DRM_ERR(EFAULT); + } + + return 0; +} + +int nouveau_ioctl_mem_free(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + drm_nouveau_private_t *dev_priv = dev->dev_private; + drm_nouveau_mem_free_t memfree; + struct mem_block *block; + + if (!dev_priv) { + DRM_ERROR("%s called with no initialization\n", __FUNCTION__); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL(memfree, (drm_nouveau_mem_free_t __user *) data, + sizeof(memfree)); + + block=NULL; + if (memfree.flags&NOUVEAU_MEM_FB) + block = find_block(dev_priv->fb_heap, memfree.region_offset); + else if (memfree.flags&NOUVEAU_MEM_AGP) + block = find_block(dev_priv->agp_heap, memfree.region_offset); + if (!block) + return DRM_ERR(EFAULT); + if (block->filp != filp) + return DRM_ERR(EPERM); + + nouveau_mem_free(dev, block); + return 0; +} + + diff --git a/shared-core/nouveau_object.c b/shared-core/nouveau_object.c new file mode 100644 index 00000000..fb30d529 --- /dev/null +++ b/shared-core/nouveau_object.c @@ -0,0 +1,565 @@ +#include "drmP.h" +#include "drm.h" +#include "nouveau_drv.h" +#include "nouveau_drm.h" + +/* TODO + * - Check object class, deny unsafe objects (add card-specific versioning?) + * - Get rid of DMA object creation, this should be wrapped by MM routines. + */ + +static void nouveau_object_link(drm_device_t *dev, int fifo_num, + struct nouveau_object *obj) +{ + drm_nouveau_private_t *dev_priv=dev->dev_private; + struct nouveau_fifo *fifo = &dev_priv->fifos[fifo_num]; + + if (!fifo->objs) { + fifo->objs = obj; + return; + } + + obj->prev = NULL; + obj->next = fifo->objs; + + fifo->objs->prev = obj; + fifo->objs = obj; +} + +static void nouveau_object_unlink(drm_device_t *dev, int fifo_num, + struct nouveau_object *obj) +{ + drm_nouveau_private_t *dev_priv=dev->dev_private; + struct nouveau_fifo *fifo = &dev_priv->fifos[fifo_num]; + + if (obj->prev == NULL) { + if (obj->next) + obj->next->prev = NULL; + fifo->objs = obj->next; + } else if (obj->next == NULL) { + if (obj->prev) + obj->prev->next = NULL; + } else { + obj->prev->next = obj->next; + obj->next->prev = obj->prev; + } +} + +static struct nouveau_object * +nouveau_object_handle_find(drm_device_t *dev, int fifo_num, uint32_t handle) +{ + drm_nouveau_private_t *dev_priv=dev->dev_private; + struct nouveau_fifo *fifo = &dev_priv->fifos[fifo_num]; + struct nouveau_object *obj = fifo->objs; + + if (!handle) + return NULL; + + DRM_DEBUG("Looking for handle 0x%08x\n", handle); + while (obj) { + if (obj->handle == handle) + return obj; + obj = obj->next; + } + + DRM_DEBUG("...couldn't find handle\n"); + return NULL; +} + +/* NVidia uses context objects to drive drawing operations. + + Context objects can be selected into 8 subchannels in the FIFO, + and then used via DMA command buffers. + + A context object is referenced by a user defined handle (CARD32). The HW + looks up graphics objects in a hash table in the instance RAM. + + An entry in the hash table consists of 2 CARD32. The first CARD32 contains + the handle, the second one a bitfield, that contains the address of the + object in instance RAM. + + The format of the second CARD32 seems to be: + + NV4 to NV30: + + 15: 0 instance_addr >> 4 + 17:16 engine (here uses 1 = graphics) + 28:24 channel id (here uses 0) + 31 valid (use 1) + + NV40: + + 15: 0 instance_addr >> 4 (maybe 19-0) + 21:20 engine (here uses 1 = graphics) + I'm unsure about the other bits, but using 0 seems to work. + + The key into the hash table depends on the object handle and channel id and + is given as: +*/ +static uint32_t nouveau_handle_hash(drm_device_t* dev, uint32_t handle, + int fifo) +{ + drm_nouveau_private_t *dev_priv=dev->dev_private; + struct nouveau_object_store *objs=&dev_priv->objs; + uint32_t hash = 0; + int i; + + for (i=32;i>0;i-=objs->ht_bits) { + hash ^= (handle & ((1 << objs->ht_bits) - 1)); + handle >>= objs->ht_bits; + } + hash ^= fifo << (objs->ht_bits - 4); + return hash << 3; +} + +static int nouveau_hash_table_insert(drm_device_t* dev, int fifo, + struct nouveau_object *obj) +{ + drm_nouveau_private_t *dev_priv=dev->dev_private; + struct nouveau_object_store *objs=&dev_priv->objs; + int ht_base = NV_RAMIN + objs->ht_base; + int ht_end = ht_base + objs->ht_size; + int o_ofs, ofs; + + o_ofs = ofs = nouveau_handle_hash(dev, obj->handle, fifo); + + while (NV_READ(ht_base + ofs)) { + ofs += 8; + if (ofs == ht_end) ofs = ht_base; + if (ofs == o_ofs) { + DRM_ERROR("no free hash table entries\n"); + return 1; + } + } + ofs += ht_base; + + DRM_DEBUG("Channel %d - Handle 0x%08x at 0x%08x\n", + fifo, obj->handle, ofs); + + NV_WRITE(NV_RAMHT_HANDLE_OFFSET + ofs, obj->handle); + if (dev_priv->card_type >= NV_40) + NV_WRITE(NV_RAMHT_CONTEXT_OFFSET + ofs, + (fifo << NV40_RAMHT_CONTEXT_CHANNEL_SHIFT) | + (obj->engine << NV40_RAMHT_CONTEXT_ENGINE_SHIFT) | + (obj->instance>>4) + ); + else + NV_WRITE(NV_RAMHT_CONTEXT_OFFSET + ofs, + NV_RAMHT_CONTEXT_VALID | + (fifo << NV_RAMHT_CONTEXT_CHANNEL_SHIFT) | + (obj->engine << NV_RAMHT_CONTEXT_ENGINE_SHIFT) | + (obj->instance>>4) + ); + + obj->ht_loc = ofs; + return 0; +} + +static void nouveau_hash_table_remove(drm_device_t* dev, + struct nouveau_object *obj) +{ + drm_nouveau_private_t *dev_priv = dev->dev_private; + + DRM_DEBUG("Remove handle 0x%08x at 0x%08x from HT\n", + obj->handle, obj->ht_loc); + if (obj->ht_loc) { + DRM_DEBUG("... HT entry was: 0x%08x/0x%08x\n", + NV_READ(obj->ht_loc), NV_READ(obj->ht_loc+4)); + NV_WRITE(obj->ht_loc , 0x00000000); + NV_WRITE(obj->ht_loc+4, 0x00000000); + } +} + +static struct nouveau_object *nouveau_instance_alloc(drm_device_t* dev) +{ + drm_nouveau_private_t *dev_priv=dev->dev_private; + struct nouveau_object_store *objs=&dev_priv->objs; + struct nouveau_object *obj; + int instance = -1; + int i = 0, j = 0; + + /* Allocate a block of instance RAM */ + if (!objs->free_instance) { + DRM_ERROR("no free instance ram\n"); + return NULL; + } + for (i=0;i<(objs->num_instance>>5);i++) { + if (objs->inst_bmap[i] == ~0) continue; + for (j=0;j<32;j++) { + if (!(objs->inst_bmap[i] & (1<<j))) { + instance = (i<<5) + j; + break; + } + } + if (instance != -1) break; + } + DRM_DEBUG("alloced instance %d (slot %d/%d)\n", instance, i, j); + + /* Create object struct */ + obj = drm_calloc(1, sizeof(struct nouveau_object), DRM_MEM_DRIVER); + if (!obj) { + DRM_ERROR("couldn't alloc memory for object\n"); + return NULL; + } + obj->instance = objs->first_instance; + obj->instance += (instance << (dev_priv->card_type >= NV_40 ? 5 : 4)); + DRM_DEBUG("instance address is 0x%08x\n", instance); + + /* Mark instance slot as used */ + objs->inst_bmap[i] |= (1 << j); + objs->free_instance--; + + return obj; +} + +static void nouveau_object_instance_free(drm_device_t *dev, + struct nouveau_object *obj) +{ + drm_nouveau_private_t *dev_priv=dev->dev_private; + struct nouveau_object_store *objs=&dev_priv->objs; + int count, i; + uint32_t be, bb; + + if (dev_priv->card_type >= NV_40) + count = 8; + else + count = 4; + + DRM_DEBUG("Instance entry for 0x%08x" + "(engine %d, class 0x%x) before destroy:\n", + obj->handle, obj->engine, obj->class); + for (i=0;i<count;i++) + DRM_DEBUG(" +0x%02x: 0x%08x\n", (i*4), + NV_READ(NV_RAMIN + obj->instance + (i*4))); + + /* Clean RAMIN entry */ + for (i=0;i<count;i++) + NV_WRITE(NV_RAMIN + obj->instance + (i*4), 0x00000000); + + /* Mark instance as free */ + obj->instance -= objs->first_instance; + obj->instance >>= (dev_priv->card_type >=NV_40 ? 5 : 4); + be = obj->instance / 32; + bb = obj->instance % 32; + objs->inst_bmap[be] &= ~bb; + objs->free_instance++; +} + +/* Where is the hash table located: + + Base address and size can be calculated from this register: + + ht_base = 0x1000 * GetBitField (pNv->PFIFO[0x0210/4],8:4); + ht_size = 0x1000 << GetBitField (pNv->PFIFO[0x0210/4],17:16); + + and the hash table will be located between address PRAMIN + ht_base and + PRAMIN + ht_base + ht_size. Each hash table entry has two longwords. +*/ +void nouveau_hash_table_init(drm_device_t* dev) +{ + drm_nouveau_private_t *dev_priv=dev->dev_private; + int ht_start, ht_end; + int i; + + dev_priv->objs.ht_bits = 9; + dev_priv->objs.ht_base = 0x10000; + dev_priv->objs.ht_size = (1 << dev_priv->objs.ht_bits); + + NV_WRITE(NV_PFIFO_RAMHT, + (0x03 << 24) /* search 128 */ | + ((dev_priv->objs.ht_bits - 9) << 16) | + ((dev_priv->objs.ht_base >> 16) << 4) + ); + NV_WRITE(NV_PFIFO_RAMFC, 0x00000110); /* RAMIN+0x11000 0.5k */ + NV_WRITE(NV_PFIFO_RAMRO, 0x00000112); /* RAMIN+0x11200 0.5k */ + + dev_priv->objs.first_instance = 0x12000; + dev_priv->objs.free_instance = 1024; /*FIXME*/ + dev_priv->objs.num_instance = 1024; /*FIXME*/ + dev_priv->objs.inst_bmap = drm_calloc + (1, dev_priv->objs.num_instance/32, DRM_MEM_DRIVER); + + /* clear the hash table */ + ht_start = NV_RAMIN+dev_priv->objs.ht_base; + ht_end = ht_start + dev_priv->objs.ht_size; + for (i=ht_start; i<ht_end; i+=4) + NV_WRITE(i, 0x00000000); +} + +/* + DMA objects are used to reference a piece of memory in the + framebuffer, PCI or AGP address space. Each object is 16 bytes big + and looks as follows: + + entry[0] + 11:0 class (seems like I can always use 0 here) + 12 page table present? + 13 page entry linear? + 15:14 access: 0 rw, 1 ro, 2 wo + 17:16 target: 0 NV memory, 1 NV memory tiled, 2 PCI, 3 AGP + 31:20 dma adjust (bits 0-11 of the address) + entry[1] + dma limit + entry[2] + 1 0 readonly, 1 readwrite + 31:12 dma frame address (bits 12-31 of the address) + + Non linear page tables seem to need a list of frame addresses afterwards, + the rivatv project has some info on this. + + The method below creates a DMA object in instance RAM and returns a handle + to it that can be used to set up context objects. +*/ +struct nouveau_object *nouveau_dma_object_create(drm_device_t* dev, + uint32_t offset, uint32_t size, + int access, uint32_t target) +{ + drm_nouveau_private_t *dev_priv=dev->dev_private; + struct nouveau_object *obj; + uint32_t frame, adjust; + + DRM_DEBUG("offset:0x%08x, size:0x%08x, target:%d, access:%d\n", + offset, size, target, access); + + frame = offset & ~0x00000FFF; + adjust = offset & 0x00000FFF; + + obj = nouveau_instance_alloc(dev); + if (!obj) { + DRM_ERROR("couldn't allocate DMA object\n"); + return obj; + } + + obj->engine = 0; + obj->class = 0; + + NV_WRITE(NV_RAMIN + obj->instance + 0, ((1<<12) + | (1<<13) + | (adjust<<20) + | (access<<14) + | (target<<16) + | 2) + ); + NV_WRITE(NV_RAMIN + obj->instance + 4, + size - 1); + NV_WRITE(NV_RAMIN + obj->instance + 8, + frame | ((access != NV_DMA_ACCESS_RO) ? (1<<1) : 0)); + NV_WRITE(NV_RAMIN + obj->instance + 12, + 0xFFFFFFFF); + + return obj; +} + + +/* Context objects in the instance RAM have the following structure. + * On NV40 they are 32 byte long, on NV30 and smaller 16 bytes. + + NV4 - NV30: + + entry[0] + 11:0 class + 12 chroma key enable + 13 user clip enable + 14 swizzle enable + 17:15 patch config: + scrcopy_and, rop_and, blend_and, scrcopy, srccopy_pre, blend_pre + 18 synchronize enable + 19 endian: 1 big, 0 little + 21:20 dither mode + 23 single step enable + 24 patch status: 0 invalid, 1 valid + 25 context_surface 0: 1 valid + 26 context surface 1: 1 valid + 27 context pattern: 1 valid + 28 context rop: 1 valid + 29,30 context beta, beta4 + entry[1] + 7:0 mono format + 15:8 color format + 31:16 notify instance address + entry[2] + 15:0 dma 0 instance address + 31:16 dma 1 instance address + entry[3] + dma method traps + + NV40: + No idea what the exact format is. Here's what can be deducted: + + entry[0]: + 11:0 class (maybe uses more bits here?) + 17 user clip enable + 21:19 patch config + 25 patch status valid ? + entry[1]: + 15:0 DMA notifier (maybe 20:0) + entry[2]: + 15:0 DMA 0 instance (maybe 20:0) + 24 big endian + entry[3]: + 15:0 DMA 1 instance (maybe 20:0) + entry[4]: + entry[5]: + set to 0? +*/ +static struct nouveau_object *nouveau_context_object_create(drm_device_t* dev, + int class, uint32_t flags0, uint32_t flags1, uint32_t flags2, + struct nouveau_object *dma0, + struct nouveau_object *dma1, + struct nouveau_object *dma_notifier) +{ + drm_nouveau_private_t *dev_priv=dev->dev_private; + struct nouveau_object *obj; + uint32_t d0, d1, dn; + + DRM_DEBUG("class=%x, dma0=%08x, dma1=%08x, dman=%08x\n", + class, + dma0 ? dma0->handle : 0, + dma1 ? dma1->handle : 0, + dma_notifier ? dma_notifier->handle : 0); + + obj = nouveau_instance_alloc(dev); + if (!obj) { + DRM_ERROR("couldn't allocate context object\n"); + return obj; + } + + obj->engine = 1; + obj->class = class; + + d0 = dma0 ? (dma0->instance >> 4) : 0; + d1 = dma1 ? (dma1->instance >> 4) : 0; + dn = dma_notifier ? (dma_notifier->instance >> 4) : 0; + + if (dev_priv->card_type >= NV_40) { + NV_WRITE(NV_RAMIN + obj->instance + 0, class | flags0); + NV_WRITE(NV_RAMIN + obj->instance + 4, dn | flags1); + NV_WRITE(NV_RAMIN + obj->instance + 8, d0 | flags2); + NV_WRITE(NV_RAMIN + obj->instance + 12, d1); + NV_WRITE(NV_RAMIN + obj->instance + 16, 0x00000000); + NV_WRITE(NV_RAMIN + obj->instance + 20, 0x00000000); + NV_WRITE(NV_RAMIN + obj->instance + 24, 0x00000000); + NV_WRITE(NV_RAMIN + obj->instance + 28, 0x00000000); + } else { + NV_WRITE(NV_RAMIN + obj->instance + 0, class | flags0); + NV_WRITE(NV_RAMIN + obj->instance + 4, (dn << 16) | flags1); + NV_WRITE(NV_RAMIN + obj->instance + 8, d0 | (d1 << 16)); + NV_WRITE(NV_RAMIN + obj->instance + 12, 0); + } + + return obj; +} + +static void +nouveau_object_free(drm_device_t *dev, int fifo_num, struct nouveau_object *obj) +{ + nouveau_object_unlink(dev, fifo_num, obj); + + nouveau_object_instance_free(dev, obj); + nouveau_hash_table_remove(dev, obj); + + drm_free(obj, sizeof(struct nouveau_object), DRM_MEM_DRIVER); + return; +} + +void nouveau_object_cleanup(drm_device_t *dev, DRMFILE filp) +{ + drm_nouveau_private_t *dev_priv=dev->dev_private; + int fifo; + + fifo = nouveau_fifo_id_get(dev, filp); + if (fifo == -1) + return; + + while (dev_priv->fifos[fifo].objs) + nouveau_object_free(dev, fifo, dev_priv->fifos[fifo].objs); +} + +int nouveau_ioctl_object_init(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + drm_nouveau_object_init_t init; + struct nouveau_object *obj, *dma0, *dma1, *dman; + int fifo; + + fifo = nouveau_fifo_id_get(dev, filp); + + DRM_COPY_FROM_USER_IOCTL(init, (drm_nouveau_object_init_t __user *) + data, sizeof(init)); + + //FIXME: check args, only allow trusted objects to be created + + if (nouveau_object_handle_find(dev, fifo, init.handle)) { + DRM_ERROR("Channel %d: handle 0x%08x already exists\n", + fifo, init.handle); + return DRM_ERR(EINVAL); + } + + dma0 = nouveau_object_handle_find(dev, fifo, init.dma0); + if (init.dma0 && !dma0) { + DRM_ERROR("context dma0 - invalid handle 0x%08x\n", init.dma0); + return DRM_ERR(EINVAL); + } + dma1 = nouveau_object_handle_find(dev, fifo, init.dma1); + if (init.dma1 && !dma1) { + DRM_ERROR("context dma1 - invalid handle 0x%08x\n", init.dma0); + return DRM_ERR(EINVAL); + } + dman = nouveau_object_handle_find(dev, fifo, init.dma_notifier); + if (init.dma_notifier && !dman) { + DRM_ERROR("context dman - invalid handle 0x%08x\n", + init.dma_notifier); + return DRM_ERR(EINVAL); + } + + obj = nouveau_context_object_create(dev, init.class, init.flags0, + init.flags1, init.flags2, dma0, dma1, dman); + if (!obj) + return DRM_ERR(ENOMEM); + + obj->handle = init.handle; + + if (nouveau_hash_table_insert(dev, fifo, obj)) { + nouveau_object_free(dev, fifo, obj); + return DRM_ERR(ENOMEM); + } + + nouveau_object_link(dev, fifo, obj); + + return 0; +} + +int nouveau_ioctl_dma_object_init(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + drm_nouveau_dma_object_init_t init; + struct nouveau_object *obj; + int fifo; + + fifo = nouveau_fifo_id_get(dev, filp); + + DRM_COPY_FROM_USER_IOCTL(init, (drm_nouveau_dma_object_init_t __user *) + data, sizeof(init)); + + if (nouveau_object_handle_find(dev, fifo, init.handle)) { + DRM_ERROR("Channel %d: handle 0x%08x already exists\n", + fifo, init.handle); + return DRM_ERR(EINVAL); + } + + obj = nouveau_dma_object_create(dev, init.offset, init.size, + init.access, init.target); + if (!obj) + return DRM_ERR(ENOMEM); + + obj->handle = init.handle; + if (nouveau_hash_table_insert(dev, fifo, obj)) { + nouveau_object_free(dev, fifo, obj); + return DRM_ERR(ENOMEM); + } + + nouveau_object_link(dev, fifo, obj); + + return 0; +} + diff --git a/shared-core/nouveau_reg.h b/shared-core/nouveau_reg.h new file mode 100644 index 00000000..42c5b851 --- /dev/null +++ b/shared-core/nouveau_reg.h @@ -0,0 +1,103 @@ + + +#define NV03_BOOT_0 0x00100000 +# define NV03_BOOT_0_RAM_AMOUNT 0x00000003 +# define NV03_BOOT_0_RAM_AMOUNT_8MB 0x00000000 +# define NV03_BOOT_0_RAM_AMOUNT_2MB 0x00000001 +# define NV03_BOOT_0_RAM_AMOUNT_4MB 0x00000002 +# define NV03_BOOT_0_RAM_AMOUNT_8MB_SDRAM 0x00000003 +# define NV04_BOOT_0_RAM_AMOUNT_32MB 0x00000000 +# define NV04_BOOT_0_RAM_AMOUNT_4MB 0x00000001 +# define NV04_BOOT_0_RAM_AMOUNT_8MB 0x00000002 +# define NV04_BOOT_0_RAM_AMOUNT_16MB 0x00000003 + +#define NV04_FIFO_DATA 0x0010020c +# define NV10_FIFO_DATA_RAM_AMOUNT_MB_MASK 0xfff00000 +# define NV10_FIFO_DATA_RAM_AMOUNT_MB_SHIFT 20 + +#define NV03_STATUS 0x004006b0 +#define NV04_STATUS 0x00400700 + +#define NV_RAMIN 0x00700000 + +#define NV_RAMHT_HANDLE_OFFSET 0 +#define NV_RAMHT_CONTEXT_OFFSET 4 +# define NV_RAMHT_CONTEXT_VALID (1<<31) +# define NV_RAMHT_CONTEXT_CHANNEL_SHIFT 24 +# define NV_RAMHT_CONTEXT_ENGINE_SHIFT 16 +# define NV_RAMHT_CONTEXT_ENGINE_SOFTWARE 0 +# define NV_RAMHT_CONTEXT_ENGINE_GRAPHICS 1 +# define NV_RAMHT_CONTEXT_INSTANCE_SHIFT 0 +# define NV40_RAMHT_CONTEXT_CHANNEL_SHIFT 23 +# define NV40_RAMHT_CONTEXT_ENGINE_SHIFT 20 +# define NV40_RAMHT_CONTEXT_INSTANCE_SHIFT 0 + +#define NV_DMA_ACCESS_RW 0 +#define NV_DMA_ACCESS_RO 1 +#define NV_DMA_ACCESS_WO 2 +#define NV_DMA_TARGET_VIDMEM 0 +#define NV_DMA_TARGET_AGP 3 + +#define NV03_FIFO_SIZE 0x8000 +#define NV_MAX_FIFO_NUMBER 32 +#define NV03_FIFO_REGS_SIZE 0x10000 +#define NV03_FIFO_REGS(i) (0x00800000+i*NV03_FIFO_REGS_SIZE) +# define NV03_FIFO_REGS_DMAPUT(i) (NV03_FIFO_REGS(i)+0x40) +# define NV03_FIFO_REGS_DMAGET(i) (NV03_FIFO_REGS(i)+0x44) + +#define NV_PMC_INTSTAT 0x00000100 +# define NV_PMC_INTSTAT_PFIFO_PENDING (1<< 8) +# define NV_PMC_INTSTAT_PGRAPH_PENDING (1<<12) +# define NV_PMC_INTSTAT_CRTC0_PENDING (1<<24) +# define NV_PMC_INTSTAT_CRTC1_PENDING (1<<25) +# define NV_PMC_INTSTAT_CRTCn_PENDING (3<<24) +#define NV_PMC_INTEN 0x00000140 +# define NV_PMC_INTEN_MASTER_ENABLE (1<< 0) + +#define NV_PGRAPH_INTSTAT 0x00400100 +#define NV_PGRAPH_INTEN 0x00400140 +# define NV_PGRAPH_INTR_NOTIFY (1<< 0) +# define NV_PGRAPH_INTR_MISSING_HW (1<< 4) +# define NV_PGRAPH_INTR_BUFFER_NOTIFY (1<<16) +# define NV_PGRAPH_INTR_ERROR (1<<20) +#define NV_PGRAPH_NV40_UNK220 0x00400220 +# define NV_PGRAPH_NV40_UNK220_FB_INSTANCE + +/* It's a guess that this works on NV03. Confirmed on NV04, though */ +#define NV03_FIFO_ENABLE 0x00002504 +#define NV_PFIFO_INTSTAT 0x00002100 +#define NV_PFIFO_INTEN 0x00002140 +# define NV_PFIFO_INTR_ERROR (1<<0) +#define NV_PFIFO_RAMHT 0x00002210 +#define NV_PFIFO_RAMFC 0x00002214 +#define NV_PFIFO_RAMRO 0x00002218 +#define NV_PFIFO_CACHES 0x00002500 +#define NV_PFIFO_MODE 0x00002504 +#define NV_PFIFO_SIZE 0x0000250c +#define NV_PFIFO_CACH0_PSH0 0x00003000 +#define NV_PFIFO_CACH0_PUL0 0x00003050 +#define NV_PFIFO_CACH0_PUL1 0x00003054 +#define NV_PFIFO_CACH1_PSH0 0x00003200 +#define NV_PFIFO_CACH1_PSH1 0x00003204 +#define NV_PFIFO_CACH1_DMAS 0x00003220 +#define NV_PFIFO_CACH1_DMAF 0x00003224 +#define NV_PFIFO_CACH1_DMAI 0x0000322c +#define NV_PFIFO_CACH1_DMAC 0x00003230 +#define NV_PFIFO_CACH1_DMAP 0x00003240 +#define NV_PFIFO_CACH1_DMAG 0x00003244 +#define NV_PFIFO_CACH1_PUL0 0x00003250 +#define NV_PFIFO_CACH1_PUL1 0x00003254 +#define NV_PFIFO_CACH1_HASH 0x00003258 +#define NV_PFIFO_CACH1_ENG 0x00003280 + +#define NV_CRTC0_INTSTAT 0x00600100 +#define NV_CRTC0_INTEN 0x00600140 +#define NV_CRTC1_INTSTAT 0x00602100 +#define NV_CRTC1_INTEN 0x00602140 +# define NV_CRTC_INTR_VBLANK (1<<0) + +/* Fifo commands. These are not regs, neither masks */ +#define NV03_FIFO_CMD_JUMP 0x20000000 +#define NV03_FIFO_CMD_JUMP_OFFSET_MASK 0x1ffffffc +#define NV03_FIFO_CMD_REWIND (NV03_FIFO_CMD_JUMP | (0 & NV03_FIFO_CMD_JUMP_OFFSET_MASK)) + diff --git a/shared-core/nouveau_state.c b/shared-core/nouveau_state.c new file mode 100644 index 00000000..3bfa99ca --- /dev/null +++ b/shared-core/nouveau_state.c @@ -0,0 +1,134 @@ +/* + * Copyright 2005 Stephane Marchesin + * All Rights Reserved. + * + * 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 + * PRECISION INSIGHT AND/OR ITS SUPPLIERS 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 "drmP.h" +#include "drm.h" +#include "drm_sarea.h" +#include "nouveau_drv.h" + +/* here a client dies, release the stuff that was allocated for its filp */ +void nouveau_preclose(drm_device_t * dev, DRMFILE filp) +{ + drm_nouveau_private_t *dev_priv = dev->dev_private; + + nouveau_mem_release(filp,dev_priv->fb_heap); + nouveau_mem_release(filp,dev_priv->agp_heap); + nouveau_object_cleanup(dev, filp); + nouveau_fifo_cleanup(dev, filp); +} + +/* first module load, setup the mmio/fb mapping */ +int nouveau_firstopen(struct drm_device *dev) +{ + int ret; + drm_nouveau_private_t *dev_priv = dev->dev_private; + + /* resource 0 is mmio regs */ + /* resource 1 is linear FB */ + /* resource 2 is ??? (mmio regs + 0x1000000) */ + /* resource 6 is bios */ + + /* map the mmio regs */ + ret = drm_addmap(dev, drm_get_resource_start(dev, 0), drm_get_resource_len(dev, 0), + _DRM_REGISTERS, _DRM_READ_ONLY, &dev_priv->mmio); + if (dev_priv->mmio) + { + DRM_INFO("regs mapped ok at 0x%lx\n",dev_priv->mmio->offset); + } + else + { + DRM_ERROR("Unable to initialize the mmio mapping. Please report your setup to " DRIVER_EMAIL "\n"); + return 1; + } + + DRM_INFO("%lld MB of video ram detected\n",nouveau_mem_fb_amount(dev)>>20); + + if (dev_priv->card_type>=NV_40) + dev_priv->fb_usable_size=nouveau_mem_fb_amount(dev)-560*1024; + else + dev_priv->fb_usable_size=nouveau_mem_fb_amount(dev)-256*1024; + + nouveau_hash_table_init(dev); + + if (dev_priv->card_type >= NV_40) + dev_priv->fb_obj = nouveau_dma_object_create(dev, + 0, nouveau_mem_fb_amount(dev), + NV_DMA_ACCESS_RW, NV_DMA_TARGET_VIDMEM); + + /* allocate one buffer for all the fifos */ + dev_priv->cmdbuf_alloc = nouveau_mem_alloc(dev, 0, 1024*1024, NOUVEAU_MEM_FB, (DRMFILE)-2); + + if (dev_priv->cmdbuf_alloc->flags&NOUVEAU_MEM_AGP) { + dev_priv->cmdbuf_location = NV_DMA_TARGET_AGP; + dev_priv->cmdbuf_ch_size = NV03_FIFO_SIZE; + dev_priv->cmdbuf_base = dev_priv->cmdbuf_alloc->start; + dev_priv->cmdbuf_obj = nouveau_dma_object_create(dev, + dev_priv->cmdbuf_base, nouveau_fifo_number(dev)*NV03_FIFO_SIZE, + NV_DMA_ACCESS_RO, dev_priv->cmdbuf_location); + } else { /* NOUVEAU_MEM_FB */ + dev_priv->cmdbuf_location = NV_DMA_TARGET_VIDMEM; + dev_priv->cmdbuf_ch_size = NV03_FIFO_SIZE; + dev_priv->cmdbuf_base = dev_priv->cmdbuf_alloc->start; + dev_priv->cmdbuf_obj = nouveau_dma_object_create(dev, + dev_priv->cmdbuf_base - drm_get_resource_start(dev, 1), + nouveau_fifo_number(dev)*NV03_FIFO_SIZE, + NV_DMA_ACCESS_RO, dev_priv->cmdbuf_location); + } + + DRM_INFO("DMA command buffer is %dKiB at 0x%08x(%s)\n", + (nouveau_fifo_number(dev)*dev_priv->cmdbuf_ch_size)/1024, + dev_priv->cmdbuf_base, + dev_priv->cmdbuf_location == NV_DMA_TARGET_AGP ? "AGP" : "VRAM" + ); + + return 0; +} + +int nouveau_load(struct drm_device *dev, unsigned long flags) +{ + drm_nouveau_private_t *dev_priv; + + if (flags==NV_UNKNOWN) + return DRM_ERR(EINVAL); + + dev_priv = drm_alloc(sizeof(drm_nouveau_private_t), DRM_MEM_DRIVER); + if (!dev_priv) + return DRM_ERR(ENOMEM); + + memset(dev_priv, 0, sizeof(drm_nouveau_private_t)); + dev_priv->card_type=flags&NOUVEAU_FAMILY; + dev_priv->flags=flags&NOUVEAU_FLAGS; + + dev->dev_private = (void *)dev_priv; + + return 0; +} + +int nouveau_unload(struct drm_device *dev) +{ + drm_free(dev->dev_private, sizeof(*dev->dev_private), DRM_MEM_DRIVER); + dev->dev_private = NULL; + return 0; +} + |