-static void
-nv50_evo_channel_del(struct nouveau_channel **pchan)
-{
- struct nouveau_channel *chan = *pchan;
-
- if (!chan)
- return;
- *pchan = NULL;
-
- nouveau_gpuobj_channel_takedown(chan);
- nouveau_bo_unmap(chan->pushbuf_bo);
- nouveau_bo_ref(NULL, &chan->pushbuf_bo);
-
- if (chan->user)
- iounmap(chan->user);
-
- kfree(chan);
-}
-
-static int
-nv50_evo_dmaobj_new(struct nouveau_channel *evo, uint32_t class, uint32_t name,
- uint32_t tile_flags, uint32_t magic_flags,
- uint32_t offset, uint32_t limit)
-{
- struct drm_nouveau_private *dev_priv = evo->dev->dev_private;
- struct drm_device *dev = evo->dev;
- struct nouveau_gpuobj *obj = NULL;
- int ret;
-
- ret = nouveau_gpuobj_new(dev, evo, 6*4, 32, 0, &obj);
- if (ret)
- return ret;
- obj->engine = NVOBJ_ENGINE_DISPLAY;
-
- nv_wo32(obj, 0, (tile_flags << 22) | (magic_flags << 16) | class);
- nv_wo32(obj, 4, limit);
- nv_wo32(obj, 8, offset);
- nv_wo32(obj, 12, 0x00000000);
- nv_wo32(obj, 16, 0x00000000);
- if (dev_priv->card_type < NV_C0)
- nv_wo32(obj, 20, 0x00010000);
- else
- nv_wo32(obj, 20, 0x00020000);
- dev_priv->engine.instmem.flush(dev);
-
- ret = nouveau_ramht_insert(evo, name, obj);
- nouveau_gpuobj_ref(NULL, &obj);
- if (ret) {
- return ret;
- }
-
- return 0;
-}
-
-static int
-nv50_evo_channel_new(struct drm_device *dev, struct nouveau_channel **pchan)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_gpuobj *ramht = NULL;
- struct nouveau_channel *chan;
- int ret;
-
- chan = kzalloc(sizeof(struct nouveau_channel), GFP_KERNEL);
- if (!chan)
- return -ENOMEM;
- *pchan = chan;
-
- chan->id = -1;
- chan->dev = dev;
- chan->user_get = 4;
- chan->user_put = 0;
-
- ret = nouveau_gpuobj_new(dev, NULL, 32768, 0x1000,
- NVOBJ_FLAG_ZERO_ALLOC, &chan->ramin);
- if (ret) {
- NV_ERROR(dev, "Error allocating EVO channel memory: %d\n", ret);
- nv50_evo_channel_del(pchan);
- return ret;
- }
-
- ret = drm_mm_init(&chan->ramin_heap, 0, 32768);
- if (ret) {
- NV_ERROR(dev, "Error initialising EVO PRAMIN heap: %d\n", ret);
- nv50_evo_channel_del(pchan);
- return ret;
- }
-
- ret = nouveau_gpuobj_new(dev, chan, 4096, 16, 0, &ramht);
- if (ret) {
- NV_ERROR(dev, "Unable to allocate EVO RAMHT: %d\n", ret);
- nv50_evo_channel_del(pchan);
- return ret;
- }
-
- ret = nouveau_ramht_new(dev, ramht, &chan->ramht);
- nouveau_gpuobj_ref(NULL, &ramht);
- if (ret) {
- nv50_evo_channel_del(pchan);
- return ret;
- }
-
- if (dev_priv->chipset != 0x50) {
- ret = nv50_evo_dmaobj_new(chan, 0x3d, NvEvoFB16, 0x70, 0x19,
- 0, 0xffffffff);
- if (ret) {
- nv50_evo_channel_del(pchan);
- return ret;
- }
-
-
- ret = nv50_evo_dmaobj_new(chan, 0x3d, NvEvoFB32, 0x7a, 0x19,
- 0, 0xffffffff);
- if (ret) {
- nv50_evo_channel_del(pchan);
- return ret;
- }
- }
-
- ret = nv50_evo_dmaobj_new(chan, 0x3d, NvEvoVRAM, 0, 0x19,
- 0, dev_priv->vram_size);
- if (ret) {
- nv50_evo_channel_del(pchan);
- return ret;
- }
-
- ret = nouveau_bo_new(dev, NULL, 4096, 0, TTM_PL_FLAG_VRAM, 0, 0,
- false, true, &chan->pushbuf_bo);
- if (ret == 0)
- ret = nouveau_bo_pin(chan->pushbuf_bo, TTM_PL_FLAG_VRAM);
- if (ret) {
- NV_ERROR(dev, "Error creating EVO DMA push buffer: %d\n", ret);
- nv50_evo_channel_del(pchan);
- return ret;
- }
-
- ret = nouveau_bo_map(chan->pushbuf_bo);
- if (ret) {
- NV_ERROR(dev, "Error mapping EVO DMA push buffer: %d\n", ret);
- nv50_evo_channel_del(pchan);
- return ret;
- }
-
- chan->user = ioremap(pci_resource_start(dev->pdev, 0) +
- NV50_PDISPLAY_USER(0), PAGE_SIZE);
- if (!chan->user) {
- NV_ERROR(dev, "Error mapping EVO control regs.\n");
- nv50_evo_channel_del(pchan);
- return -ENOMEM;
- }
-
- return 0;
-}
-