int32_t psb_msvdx_alloc_fw_bo(struct drm_psb_private *dev_priv)
{
uint32_t core_rev;
int32_t ret = 0;
struct msvdx_private *msvdx_priv = dev_priv->msvdx_private;
core_rev = PSB_RMSVDX32(MSVDX_CORE_REV_OFFSET);
if ((core_rev & 0xffffff) < 0x020000)
msvdx_priv->mtx_mem_size = 16 * 1024;
else
msvdx_priv->mtx_mem_size = 56 * 1024;
PSB_DEBUG_INIT("MSVDX: MTX mem size is 0x%08x bytes, allocate firmware BO size 0x%08x\n", msvdx_priv->mtx_mem_size,
msvdx_priv->mtx_mem_size + 4096);
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 8, 0))
ret = ttm_buffer_object_create(&dev_priv->bdev, msvdx_priv->mtx_mem_size + 4096, /* DMA may run over a page */
ttm_bo_type_kernel,
DRM_PSB_FLAG_MEM_MMU | TTM_PL_FLAG_NO_EVICT,
0, 0, 0, NULL, &msvdx_priv->fw);
#else
ret = ttm_buffer_object_create(&dev_priv->bdev, msvdx_priv->mtx_mem_size + 4096, /* DMA may run over a page */
ttm_bo_type_kernel,
DRM_PSB_FLAG_MEM_MMU | TTM_PL_FLAG_NO_EVICT,
0, 0, NULL, &msvdx_priv->fw);
#endif
if (ret) {
DRM_ERROR("MSVDX: allocate firmware BO fail\n");
}
return ret;
}
int vsp_init(struct drm_device *dev)
{
struct drm_psb_private *dev_priv = dev->dev_private;
struct ttm_bo_device *bdev = &dev_priv->bdev;
struct vsp_private *vsp_priv;
bool is_iomem;
int ret;
unsigned int context_size;
VSP_DEBUG("init vsp private data structure\n");
vsp_priv = kmalloc(sizeof(struct vsp_private), GFP_KERNEL);
if (vsp_priv == NULL)
return -1;
memset(vsp_priv, 0, sizeof(*vsp_priv));
/* get device --> drm_device --> drm_psb_private --> vsp_priv
* for psb_vsp_pmstate_show: vsp_pmpolicy
* if not pci_set_drvdata, can't get drm_device from device
*/
/* pci_set_drvdata(dev->pdev, dev); */
if (device_create_file(&dev->pdev->dev,
&dev_attr_vsp_pmstate))
DRM_ERROR("TOPAZ: could not create sysfs file\n");
vsp_priv->sysfs_pmstate = sysfs_get_dirent(
dev->pdev->dev.kobj.sd, NULL,
"vsp_pmstate");
vsp_priv->vsp_cmd_num = 0;
vsp_priv->fw_loaded = VSP_FW_NONE;
vsp_priv->current_sequence = 0;
vsp_priv->vsp_state = VSP_STATE_DOWN;
vsp_priv->dev = dev;
vsp_priv->coded_buf = NULL;
vsp_priv->context_num = 0;
atomic_set(&dev_priv->vsp_mmu_invaldc, 0);
dev_priv->vsp_private = vsp_priv;
vsp_priv->cmd_queue_sz = VSP_CMD_QUEUE_SIZE *
sizeof(struct vss_command_t);
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 8, 0))
ret = ttm_buffer_object_create(bdev,
vsp_priv->cmd_queue_sz,
ttm_bo_type_kernel,
DRM_PSB_FLAG_MEM_MMU |
TTM_PL_FLAG_NO_EVICT,
0, 0, 0, NULL, &vsp_priv->cmd_queue_bo);
#else
ret = ttm_buffer_object_create(bdev,
vsp_priv->cmd_queue_sz,
ttm_bo_type_kernel,
DRM_PSB_FLAG_MEM_MMU |
TTM_PL_FLAG_NO_EVICT,
0, 0, NULL, &vsp_priv->cmd_queue_bo);
#endif
if (ret != 0) {
DRM_ERROR("VSP: failed to allocate VSP cmd queue\n");
goto out_clean;
}
vsp_priv->ack_queue_sz = VSP_ACK_QUEUE_SIZE *
sizeof(struct vss_response_t);
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 8, 0))
ret = ttm_buffer_object_create(bdev,
vsp_priv->ack_queue_sz,
ttm_bo_type_kernel,
DRM_PSB_FLAG_MEM_MMU |
TTM_PL_FLAG_NO_EVICT,
0, 0, 0, NULL, &vsp_priv->ack_queue_bo);
#else
ret = ttm_buffer_object_create(bdev,
vsp_priv->ack_queue_sz,
ttm_bo_type_kernel,
DRM_PSB_FLAG_MEM_MMU |
TTM_PL_FLAG_NO_EVICT,
0, 0, NULL, &vsp_priv->ack_queue_bo);
#endif
if (ret != 0) {
DRM_ERROR("VSP: failed to allocate VSP cmd ack queue\n");
goto out_clean;
}
/* Create setting buffer */
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 8, 0))
ret = ttm_buffer_object_create(bdev,
sizeof(struct vsp_settings_t),
ttm_bo_type_kernel,
DRM_PSB_FLAG_MEM_MMU |
TTM_PL_FLAG_NO_EVICT,
0, 0, 0, NULL, &vsp_priv->setting_bo);
#else
ret = ttm_buffer_object_create(bdev,
sizeof(struct vsp_settings_t),
ttm_bo_type_kernel,
DRM_PSB_FLAG_MEM_MMU |
TTM_PL_FLAG_NO_EVICT,
0, 0, NULL, &vsp_priv->setting_bo);
#endif
if (ret != 0) {
DRM_ERROR("VSP: failed to allocate VSP setting buffer\n");
goto out_clean;
}
/* map cmd queue */
ret = ttm_bo_kmap(vsp_priv->cmd_queue_bo, 0,
vsp_priv->cmd_queue_bo->num_pages,
&vsp_priv->cmd_kmap);
if (ret) {
DRM_ERROR("drm_bo_kmap failed: %d\n", ret);
ttm_bo_unref(&vsp_priv->cmd_queue_bo);
ttm_bo_kunmap(&vsp_priv->cmd_kmap);
goto out_clean;
}
vsp_priv->cmd_queue = ttm_kmap_obj_virtual(&vsp_priv->cmd_kmap,
&is_iomem);
/* map ack queue */
ret = ttm_bo_kmap(vsp_priv->ack_queue_bo, 0,
vsp_priv->ack_queue_bo->num_pages,
&vsp_priv->ack_kmap);
if (ret) {
DRM_ERROR("drm_bo_kmap failed: %d\n", ret);
ttm_bo_unref(&vsp_priv->ack_queue_bo);
ttm_bo_kunmap(&vsp_priv->ack_kmap);
goto out_clean;
}
vsp_priv->ack_queue = ttm_kmap_obj_virtual(&vsp_priv->ack_kmap,
&is_iomem);
/* map vsp setting */
ret = ttm_bo_kmap(vsp_priv->setting_bo, 0,
vsp_priv->setting_bo->num_pages,
&vsp_priv->setting_kmap);
if (ret) {
DRM_ERROR("drm_bo_kmap setting_bo failed: %d\n", ret);
ttm_bo_unref(&vsp_priv->setting_bo);
ttm_bo_kunmap(&vsp_priv->setting_kmap);
goto out_clean;
}
vsp_priv->setting = ttm_kmap_obj_virtual(&vsp_priv->setting_kmap,
&is_iomem);
vsp_priv->vp8_filp[0] = NULL;
vsp_priv->vp8_filp[1] = NULL;
vsp_priv->context_vp8_num = 0;
vsp_priv->vp8_cmd_num = 0;
spin_lock_init(&vsp_priv->lock);
mutex_init(&vsp_priv->vsp_mutex);
INIT_DELAYED_WORK(&vsp_priv->vsp_suspend_wq,
&psb_powerdown_vsp);
INIT_DELAYED_WORK(&vsp_priv->vsp_irq_wq,
&vsp_irq_task);
return 0;
out_clean:
vsp_deinit(dev);
return -1;
}
