diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/r600_cp.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600_cp.c | 541 |
1 files changed, 388 insertions, 153 deletions
diff --git a/drivers/gpu/drm/radeon/r600_cp.c b/drivers/gpu/drm/radeon/r600_cp.c index 20f17908b036..6d5a711c2e91 100644 --- a/drivers/gpu/drm/radeon/r600_cp.c +++ b/drivers/gpu/drm/radeon/r600_cp.c @@ -31,7 +31,38 @@ #include "radeon_drm.h" #include "radeon_drv.h" -#include "r600_microcode.h" +#define PFP_UCODE_SIZE 576 +#define PM4_UCODE_SIZE 1792 +#define R700_PFP_UCODE_SIZE 848 +#define R700_PM4_UCODE_SIZE 1360 + +/* Firmware Names */ +MODULE_FIRMWARE("radeon/R600_pfp.bin"); +MODULE_FIRMWARE("radeon/R600_me.bin"); +MODULE_FIRMWARE("radeon/RV610_pfp.bin"); +MODULE_FIRMWARE("radeon/RV610_me.bin"); +MODULE_FIRMWARE("radeon/RV630_pfp.bin"); +MODULE_FIRMWARE("radeon/RV630_me.bin"); +MODULE_FIRMWARE("radeon/RV620_pfp.bin"); +MODULE_FIRMWARE("radeon/RV620_me.bin"); +MODULE_FIRMWARE("radeon/RV635_pfp.bin"); +MODULE_FIRMWARE("radeon/RV635_me.bin"); +MODULE_FIRMWARE("radeon/RV670_pfp.bin"); +MODULE_FIRMWARE("radeon/RV670_me.bin"); +MODULE_FIRMWARE("radeon/RS780_pfp.bin"); +MODULE_FIRMWARE("radeon/RS780_me.bin"); +MODULE_FIRMWARE("radeon/RV770_pfp.bin"); +MODULE_FIRMWARE("radeon/RV770_me.bin"); +MODULE_FIRMWARE("radeon/RV730_pfp.bin"); +MODULE_FIRMWARE("radeon/RV730_me.bin"); +MODULE_FIRMWARE("radeon/RV710_pfp.bin"); +MODULE_FIRMWARE("radeon/RV710_me.bin"); + + +int r600_cs_legacy(struct drm_device *dev, void *data, struct drm_file *filp, + unsigned family, u32 *ib, int *l); +void r600_cs_legacy_init(void); + # define ATI_PCIGART_PAGE_SIZE 4096 /**< PCI GART page size */ # define ATI_PCIGART_PAGE_MASK (~(ATI_PCIGART_PAGE_SIZE-1)) @@ -275,11 +306,93 @@ static void r600_vm_init(struct drm_device *dev) r600_vm_flush_gart_range(dev); } -/* load r600 microcode */ +static int r600_cp_init_microcode(drm_radeon_private_t *dev_priv) +{ + struct platform_device *pdev; + const char *chip_name; + size_t pfp_req_size, me_req_size; + char fw_name[30]; + int err; + + pdev = platform_device_register_simple("r600_cp", 0, NULL, 0); + err = IS_ERR(pdev); + if (err) { + printk(KERN_ERR "r600_cp: Failed to register firmware\n"); + return -EINVAL; + } + + switch (dev_priv->flags & RADEON_FAMILY_MASK) { + case CHIP_R600: chip_name = "R600"; break; + case CHIP_RV610: chip_name = "RV610"; break; + case CHIP_RV630: chip_name = "RV630"; break; + case CHIP_RV620: chip_name = "RV620"; break; + case CHIP_RV635: chip_name = "RV635"; break; + case CHIP_RV670: chip_name = "RV670"; break; + case CHIP_RS780: + case CHIP_RS880: chip_name = "RS780"; break; + case CHIP_RV770: chip_name = "RV770"; break; + case CHIP_RV730: + case CHIP_RV740: chip_name = "RV730"; break; + case CHIP_RV710: chip_name = "RV710"; break; + default: BUG(); + } + + if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770) { + pfp_req_size = R700_PFP_UCODE_SIZE * 4; + me_req_size = R700_PM4_UCODE_SIZE * 4; + } else { + pfp_req_size = PFP_UCODE_SIZE * 4; + me_req_size = PM4_UCODE_SIZE * 12; + } + + DRM_INFO("Loading %s CP Microcode\n", chip_name); + + snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name); + err = request_firmware(&dev_priv->pfp_fw, fw_name, &pdev->dev); + if (err) + goto out; + if (dev_priv->pfp_fw->size != pfp_req_size) { + printk(KERN_ERR + "r600_cp: Bogus length %zu in firmware \"%s\"\n", + dev_priv->pfp_fw->size, fw_name); + err = -EINVAL; + goto out; + } + + snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name); + err = request_firmware(&dev_priv->me_fw, fw_name, &pdev->dev); + if (err) + goto out; + if (dev_priv->me_fw->size != me_req_size) { + printk(KERN_ERR + "r600_cp: Bogus length %zu in firmware \"%s\"\n", + dev_priv->me_fw->size, fw_name); + err = -EINVAL; + } +out: + platform_device_unregister(pdev); + + if (err) { + if (err != -EINVAL) + printk(KERN_ERR + "r600_cp: Failed to load firmware \"%s\"\n", + fw_name); + release_firmware(dev_priv->pfp_fw); + dev_priv->pfp_fw = NULL; + release_firmware(dev_priv->me_fw); + dev_priv->me_fw = NULL; + } + return err; +} + static void r600_cp_load_microcode(drm_radeon_private_t *dev_priv) { + const __be32 *fw_data; int i; + if (!dev_priv->me_fw || !dev_priv->pfp_fw) + return; + r600_do_cp_stop(dev_priv); RADEON_WRITE(R600_CP_RB_CNTL, @@ -292,115 +405,18 @@ static void r600_cp_load_microcode(drm_radeon_private_t *dev_priv) DRM_UDELAY(15000); RADEON_WRITE(R600_GRBM_SOFT_RESET, 0); + fw_data = (const __be32 *)dev_priv->me_fw->data; RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0); + for (i = 0; i < PM4_UCODE_SIZE * 3; i++) + RADEON_WRITE(R600_CP_ME_RAM_DATA, + be32_to_cpup(fw_data++)); - if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R600)) { - DRM_INFO("Loading R600 CP Microcode\n"); - for (i = 0; i < PM4_UCODE_SIZE; i++) { - RADEON_WRITE(R600_CP_ME_RAM_DATA, - R600_cp_microcode[i][0]); - RADEON_WRITE(R600_CP_ME_RAM_DATA, - R600_cp_microcode[i][1]); - RADEON_WRITE(R600_CP_ME_RAM_DATA, - R600_cp_microcode[i][2]); - } - - RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0); - DRM_INFO("Loading R600 PFP Microcode\n"); - for (i = 0; i < PFP_UCODE_SIZE; i++) - RADEON_WRITE(R600_CP_PFP_UCODE_DATA, R600_pfp_microcode[i]); - } else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610)) { - DRM_INFO("Loading RV610 CP Microcode\n"); - for (i = 0; i < PM4_UCODE_SIZE; i++) { - RADEON_WRITE(R600_CP_ME_RAM_DATA, - RV610_cp_microcode[i][0]); - RADEON_WRITE(R600_CP_ME_RAM_DATA, - RV610_cp_microcode[i][1]); - RADEON_WRITE(R600_CP_ME_RAM_DATA, - RV610_cp_microcode[i][2]); - } - - RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0); - DRM_INFO("Loading RV610 PFP Microcode\n"); - for (i = 0; i < PFP_UCODE_SIZE; i++) - RADEON_WRITE(R600_CP_PFP_UCODE_DATA, RV610_pfp_microcode[i]); - } else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV630)) { - DRM_INFO("Loading RV630 CP Microcode\n"); - for (i = 0; i < PM4_UCODE_SIZE; i++) { - RADEON_WRITE(R600_CP_ME_RAM_DATA, - RV630_cp_microcode[i][0]); - RADEON_WRITE(R600_CP_ME_RAM_DATA, - RV630_cp_microcode[i][1]); - RADEON_WRITE(R600_CP_ME_RAM_DATA, - RV630_cp_microcode[i][2]); - } - - RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0); - DRM_INFO("Loading RV630 PFP Microcode\n"); - for (i = 0; i < PFP_UCODE_SIZE; i++) - RADEON_WRITE(R600_CP_PFP_UCODE_DATA, RV630_pfp_microcode[i]); - } else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620)) { - DRM_INFO("Loading RV620 CP Microcode\n"); - for (i = 0; i < PM4_UCODE_SIZE; i++) { - RADEON_WRITE(R600_CP_ME_RAM_DATA, - RV620_cp_microcode[i][0]); - RADEON_WRITE(R600_CP_ME_RAM_DATA, - RV620_cp_microcode[i][1]); - RADEON_WRITE(R600_CP_ME_RAM_DATA, - RV620_cp_microcode[i][2]); - } - - RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0); - DRM_INFO("Loading RV620 PFP Microcode\n"); - for (i = 0; i < PFP_UCODE_SIZE; i++) - RADEON_WRITE(R600_CP_PFP_UCODE_DATA, RV620_pfp_microcode[i]); - } else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV635)) { - DRM_INFO("Loading RV635 CP Microcode\n"); - for (i = 0; i < PM4_UCODE_SIZE; i++) { - RADEON_WRITE(R600_CP_ME_RAM_DATA, - RV635_cp_microcode[i][0]); - RADEON_WRITE(R600_CP_ME_RAM_DATA, - RV635_cp_microcode[i][1]); - RADEON_WRITE(R600_CP_ME_RAM_DATA, - RV635_cp_microcode[i][2]); - } - - RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0); - DRM_INFO("Loading RV635 PFP Microcode\n"); - for (i = 0; i < PFP_UCODE_SIZE; i++) - RADEON_WRITE(R600_CP_PFP_UCODE_DATA, RV635_pfp_microcode[i]); - } else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV670)) { - DRM_INFO("Loading RV670 CP Microcode\n"); - for (i = 0; i < PM4_UCODE_SIZE; i++) { - RADEON_WRITE(R600_CP_ME_RAM_DATA, - RV670_cp_microcode[i][0]); - RADEON_WRITE(R600_CP_ME_RAM_DATA, - RV670_cp_microcode[i][1]); - RADEON_WRITE(R600_CP_ME_RAM_DATA, - RV670_cp_microcode[i][2]); - } - - RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0); - DRM_INFO("Loading RV670 PFP Microcode\n"); - for (i = 0; i < PFP_UCODE_SIZE; i++) - RADEON_WRITE(R600_CP_PFP_UCODE_DATA, RV670_pfp_microcode[i]); - } else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) || - ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880)) { - DRM_INFO("Loading RS780/RS880 CP Microcode\n"); - for (i = 0; i < PM4_UCODE_SIZE; i++) { - RADEON_WRITE(R600_CP_ME_RAM_DATA, - RS780_cp_microcode[i][0]); - RADEON_WRITE(R600_CP_ME_RAM_DATA, - RS780_cp_microcode[i][1]); - RADEON_WRITE(R600_CP_ME_RAM_DATA, - RS780_cp_microcode[i][2]); - } + fw_data = (const __be32 *)dev_priv->pfp_fw->data; + RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0); + for (i = 0; i < PFP_UCODE_SIZE; i++) + RADEON_WRITE(R600_CP_PFP_UCODE_DATA, + be32_to_cpup(fw_data++)); - RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0); - DRM_INFO("Loading RS780/RS880 PFP Microcode\n"); - for (i = 0; i < PFP_UCODE_SIZE; i++) - RADEON_WRITE(R600_CP_PFP_UCODE_DATA, RS780_pfp_microcode[i]); - } RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0); RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0); RADEON_WRITE(R600_CP_ME_RAM_RADDR, 0); @@ -459,11 +475,14 @@ static void r700_vm_init(struct drm_device *dev) r600_vm_flush_gart_range(dev); } -/* load r600 microcode */ static void r700_cp_load_microcode(drm_radeon_private_t *dev_priv) { + const __be32 *fw_data; int i; + if (!dev_priv->me_fw || !dev_priv->pfp_fw) + return; + r600_do_cp_stop(dev_priv); RADEON_WRITE(R600_CP_RB_CNTL, @@ -476,48 +495,18 @@ static void r700_cp_load_microcode(drm_radeon_private_t *dev_priv) DRM_UDELAY(15000); RADEON_WRITE(R600_GRBM_SOFT_RESET, 0); + fw_data = (const __be32 *)dev_priv->pfp_fw->data; + RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0); + for (i = 0; i < R700_PFP_UCODE_SIZE; i++) + RADEON_WRITE(R600_CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++)); + RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0); - if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV770)) { - RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0); - DRM_INFO("Loading RV770/RV790 PFP Microcode\n"); - for (i = 0; i < R700_PFP_UCODE_SIZE; i++) - RADEON_WRITE(R600_CP_PFP_UCODE_DATA, RV770_pfp_microcode[i]); - RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0); - - RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0); - DRM_INFO("Loading RV770/RV790 CP Microcode\n"); - for (i = 0; i < R700_PM4_UCODE_SIZE; i++) - RADEON_WRITE(R600_CP_ME_RAM_DATA, RV770_cp_microcode[i]); - RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0); - - } else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV730) || - ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV740)) { - RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0); - DRM_INFO("Loading RV730/RV740 PFP Microcode\n"); - for (i = 0; i < R700_PFP_UCODE_SIZE; i++) - RADEON_WRITE(R600_CP_PFP_UCODE_DATA, RV730_pfp_microcode[i]); - RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0); - - RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0); - DRM_INFO("Loading RV730/RV740 CP Microcode\n"); - for (i = 0; i < R700_PM4_UCODE_SIZE; i++) - RADEON_WRITE(R600_CP_ME_RAM_DATA, RV730_cp_microcode[i]); - RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0); - - } else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV710)) { - RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0); - DRM_INFO("Loading RV710 PFP Microcode\n"); - for (i = 0; i < R700_PFP_UCODE_SIZE; i++) - RADEON_WRITE(R600_CP_PFP_UCODE_DATA, RV710_pfp_microcode[i]); - RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0); - - RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0); - DRM_INFO("Loading RV710 CP Microcode\n"); - for (i = 0; i < R700_PM4_UCODE_SIZE; i++) - RADEON_WRITE(R600_CP_ME_RAM_DATA, RV710_cp_microcode[i]); - RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0); + fw_data = (const __be32 *)dev_priv->me_fw->data; + RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0); + for (i = 0; i < R700_PM4_UCODE_SIZE; i++) + RADEON_WRITE(R600_CP_ME_RAM_DATA, be32_to_cpup(fw_data++)); + RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0); - } RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0); RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0); RADEON_WRITE(R600_CP_ME_RAM_RADDR, 0); @@ -1874,6 +1863,8 @@ int r600_do_init_cp(struct drm_device *dev, drm_radeon_init_t *init, DRM_DEBUG("\n"); + mutex_init(&dev_priv->cs_mutex); + r600_cs_legacy_init(); /* if we require new memory map but we don't have it fail */ if ((dev_priv->flags & RADEON_NEW_MEMMAP) && !dev_priv->new_memmap) { DRM_ERROR("Cannot initialise DRM on this card\nThis card requires a new X.org DDX for 3D\n"); @@ -1905,7 +1896,7 @@ int r600_do_init_cp(struct drm_device *dev, drm_radeon_init_t *init, /* Enable vblank on CRTC1 for older X servers */ dev_priv->vblank_crtc = DRM_RADEON_VBLANK_CRTC1; - + dev_priv->do_boxes = 0; dev_priv->cp_mode = init->cp_mode; /* We don't support anything other than bus-mastering ring mode, @@ -1991,11 +1982,11 @@ int r600_do_init_cp(struct drm_device *dev, drm_radeon_init_t *init, } else #endif { - dev_priv->cp_ring->handle = (void *)dev_priv->cp_ring->offset; + dev_priv->cp_ring->handle = (void *)(unsigned long)dev_priv->cp_ring->offset; dev_priv->ring_rptr->handle = - (void *)dev_priv->ring_rptr->offset; + (void *)(unsigned long)dev_priv->ring_rptr->offset; dev->agp_buffer_map->handle = - (void *)dev->agp_buffer_map->offset; + (void *)(unsigned long)dev->agp_buffer_map->offset; DRM_DEBUG("dev_priv->cp_ring->handle %p\n", dev_priv->cp_ring->handle); @@ -2147,6 +2138,14 @@ int r600_do_init_cp(struct drm_device *dev, drm_radeon_init_t *init, r600_vm_init(dev); } + if (!dev_priv->me_fw || !dev_priv->pfp_fw) { + int err = r600_cp_init_microcode(dev_priv); + if (err) { + DRM_ERROR("Failed to load firmware!\n"); + r600_do_cleanup_cp(dev); + return err; + } + } if (((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770)) r700_cp_load_microcode(dev_priv); else @@ -2291,3 +2290,239 @@ int r600_cp_dispatch_indirect(struct drm_device *dev, return 0; } + +void r600_cp_dispatch_swap(struct drm_device *dev, struct drm_file *file_priv) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + struct drm_master *master = file_priv->master; + struct drm_radeon_master_private *master_priv = master->driver_priv; + drm_radeon_sarea_t *sarea_priv = master_priv->sarea_priv; + int nbox = sarea_priv->nbox; + struct drm_clip_rect *pbox = sarea_priv->boxes; + int i, cpp, src_pitch, dst_pitch; + uint64_t src, dst; + RING_LOCALS; + DRM_DEBUG("\n"); + + if (dev_priv->color_fmt == RADEON_COLOR_FORMAT_ARGB8888) + cpp = 4; + else + cpp = 2; + + if (sarea_priv->pfCurrentPage == 0) { + src_pitch = dev_priv->back_pitch; + dst_pitch = dev_priv->front_pitch; + src = dev_priv->back_offset + dev_priv->fb_location; + dst = dev_priv->front_offset + dev_priv->fb_location; + } else { + src_pitch = dev_priv->front_pitch; + dst_pitch = dev_priv->back_pitch; + src = dev_priv->front_offset + dev_priv->fb_location; + dst = dev_priv->back_offset + dev_priv->fb_location; + } + + if (r600_prepare_blit_copy(dev, file_priv)) { + DRM_ERROR("unable to allocate vertex buffer for swap buffer\n"); + return; + } + for (i = 0; i < nbox; i++) { + int x = pbox[i].x1; + int y = pbox[i].y1; + int w = pbox[i].x2 - x; + int h = pbox[i].y2 - y; + + DRM_DEBUG("%d,%d-%d,%d\n", x, y, w, h); + + r600_blit_swap(dev, + src, dst, + x, y, x, y, w, h, + src_pitch, dst_pitch, cpp); + } + r600_done_blit_copy(dev); + + /* Increment the frame counter. The client-side 3D driver must + * throttle the framerate by waiting for this value before + * performing the swapbuffer ioctl. + */ + sarea_priv->last_frame++; + + BEGIN_RING(3); + R600_FRAME_AGE(sarea_priv->last_frame); + ADVANCE_RING(); +} + +int r600_cp_dispatch_texture(struct drm_device *dev, + struct drm_file *file_priv, + drm_radeon_texture_t *tex, + drm_radeon_tex_image_t *image) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + struct drm_buf *buf; + u32 *buffer; + const u8 __user *data; + int size, pass_size; + u64 src_offset, dst_offset; + + if (!radeon_check_offset(dev_priv, tex->offset)) { + DRM_ERROR("Invalid destination offset\n"); + return -EINVAL; + } + + /* this might fail for zero-sized uploads - are those illegal? */ + if (!radeon_check_offset(dev_priv, tex->offset + tex->height * tex->pitch - 1)) { + DRM_ERROR("Invalid final destination offset\n"); + return -EINVAL; + } + + size = tex->height * tex->pitch; + + if (size == 0) + return 0; + + dst_offset = tex->offset; + + if (r600_prepare_blit_copy(dev, file_priv)) { + DRM_ERROR("unable to allocate vertex buffer for swap buffer\n"); + return -EAGAIN; + } + do { + data = (const u8 __user *)image->data; + pass_size = size; + + buf = radeon_freelist_get(dev); + if (!buf) { + DRM_DEBUG("EAGAIN\n"); + if (DRM_COPY_TO_USER(tex->image, image, sizeof(*image))) + return -EFAULT; + return -EAGAIN; + } + + if (pass_size > buf->total) + pass_size = buf->total; + + /* Dispatch the indirect buffer. + */ + buffer = + (u32 *) ((char *)dev->agp_buffer_map->handle + buf->offset); + + if (DRM_COPY_FROM_USER(buffer, data, pass_size)) { + DRM_ERROR("EFAULT on pad, %d bytes\n", pass_size); + return -EFAULT; + } + + buf->file_priv = file_priv; + buf->used = pass_size; + src_offset = dev_priv->gart_buffers_offset + buf->offset; + + r600_blit_copy(dev, src_offset, dst_offset, pass_size); + + radeon_cp_discard_buffer(dev, file_priv->master, buf); + + /* Update the input parameters for next time */ + image->data = (const u8 __user *)image->data + pass_size; + dst_offset += pass_size; + size -= pass_size; + } while (size > 0); + r600_done_blit_copy(dev); + + return 0; +} + +/* + * Legacy cs ioctl + */ +static u32 radeon_cs_id_get(struct drm_radeon_private *radeon) +{ + /* FIXME: check if wrap affect last reported wrap & sequence */ + radeon->cs_id_scnt = (radeon->cs_id_scnt + 1) & 0x00FFFFFF; + if (!radeon->cs_id_scnt) { + /* increment wrap counter */ + radeon->cs_id_wcnt += 0x01000000; + /* valid sequence counter start at 1 */ + radeon->cs_id_scnt = 1; + } + return (radeon->cs_id_scnt | radeon->cs_id_wcnt); +} + +static void r600_cs_id_emit(drm_radeon_private_t *dev_priv, u32 *id) +{ + RING_LOCALS; + + *id = radeon_cs_id_get(dev_priv); + + /* SCRATCH 2 */ + BEGIN_RING(3); + R600_CLEAR_AGE(*id); + ADVANCE_RING(); + COMMIT_RING(); +} + +static int r600_ib_get(struct drm_device *dev, + struct drm_file *fpriv, + struct drm_buf **buffer) +{ + struct drm_buf *buf; + + *buffer = NULL; + buf = radeon_freelist_get(dev); + if (!buf) { + return -EBUSY; + } + buf->file_priv = fpriv; + *buffer = buf; + return 0; +} + +static void r600_ib_free(struct drm_device *dev, struct drm_buf *buf, + struct drm_file *fpriv, int l, int r) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + + if (buf) { + if (!r) + r600_cp_dispatch_indirect(dev, buf, 0, l * 4); + radeon_cp_discard_buffer(dev, fpriv->master, buf); + COMMIT_RING(); + } +} + +int r600_cs_legacy_ioctl(struct drm_device *dev, void *data, struct drm_file *fpriv) +{ + struct drm_radeon_private *dev_priv = dev->dev_private; + struct drm_radeon_cs *cs = data; + struct drm_buf *buf; + unsigned family; + int l, r = 0; + u32 *ib, cs_id = 0; + + if (dev_priv == NULL) { + DRM_ERROR("called with no initialization\n"); + return -EINVAL; + } + family = dev_priv->flags & RADEON_FAMILY_MASK; + if (family < CHIP_R600) { + DRM_ERROR("cs ioctl valid only for R6XX & R7XX in legacy mode\n"); + return -EINVAL; + } + mutex_lock(&dev_priv->cs_mutex); + /* get ib */ + r = r600_ib_get(dev, fpriv, &buf); + if (r) { + DRM_ERROR("ib_get failed\n"); + goto out; + } + ib = dev->agp_buffer_map->handle + buf->offset; + /* now parse command stream */ + r = r600_cs_legacy(dev, data, fpriv, family, ib, &l); + if (r) { + goto out; + } + +out: + r600_ib_free(dev, buf, fpriv, l, r); + /* emit cs id sequence */ + r600_cs_id_emit(dev_priv, &cs_id); + cs->cs_id = cs_id; + mutex_unlock(&dev_priv->cs_mutex); + return r; +} |