static void nouveau_card_takedown(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_engine *engine = &dev_priv->Engine;
DRM_DEBUG("prev state = %d\n", dev_priv->init_state);
if (dev_priv->init_state != NOUVEAU_CARD_INIT_DOWN) {
nouveau_backlight_exit(dev);
nouveau_dma_channel_takedown(dev);
engine->fifo.takedown(dev);
engine->graph.takedown(dev);
engine->fb.takedown(dev);
engine->timer.takedown(dev);
engine->mc.takedown(dev);
nouveau_sgdma_nottm_hack_takedown(dev);
nouveau_sgdma_takedown(dev);
nouveau_gpuobj_takedown(dev);
nouveau_gpuobj_del(dev, &dev_priv->vm_vram_pt);
nouveau_mem_close(dev);
engine->instmem.takedown(dev);
drm_irq_uninstall(dev);
nouveau_gpuobj_late_takedown(dev);
dev_priv->init_state = NOUVEAU_CARD_INIT_DOWN;
}
}
static int
nouveau_channel_pushbuf_ctxdma_init(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_bo *pb = chan->pushbuf_bo;
struct nouveau_gpuobj *pushbuf = NULL;
uint32_t start = pb->bo.mem.mm_node->start << PAGE_SHIFT;
int ret;
if (pb->bo.mem.mem_type == TTM_PL_TT) {
ret = nouveau_gpuobj_gart_dma_new(chan, 0,
dev_priv->gart_info.aper_size,
NV_DMA_ACCESS_RO, &pushbuf,
NULL);
chan->pushbuf_base = start;
} else
if (dev_priv->card_type != NV_04) {
ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_IN_MEMORY, 0,
dev_priv->fb_available_size,
NV_DMA_ACCESS_RO,
NV_DMA_TARGET_VIDMEM, &pushbuf);
chan->pushbuf_base = start;
} else {
/* NV04 cmdbuf hack, from original ddx.. not sure of it's
* exact reason for existing :) PCI access to cmdbuf in
* VRAM.
*/
ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_IN_MEMORY,
drm_get_resource_start(dev, 1),
dev_priv->fb_available_size,
NV_DMA_ACCESS_RO,
NV_DMA_TARGET_PCI, &pushbuf);
chan->pushbuf_base = start;
}
ret = nouveau_gpuobj_ref_add(dev, chan, 0, pushbuf, &chan->pushbuf);
if (ret) {
NV_ERROR(dev, "Error referencing pushbuf ctxdma: %d\n", ret);
if (pushbuf != dev_priv->gart_info.sg_ctxdma)
nouveau_gpuobj_del(dev, &pushbuf);
return ret;
}
return 0;
}
static int
nouveau_card_init_channel(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_gpuobj *gpuobj;
int ret;
ret = nouveau_channel_alloc(dev, &dev_priv->channel,
(struct drm_file *)-2,
NvDmaFB, NvDmaTT);
if (ret)
return ret;
gpuobj = NULL;
ret = nouveau_gpuobj_dma_new(dev_priv->channel, NV_CLASS_DMA_IN_MEMORY,
0, nouveau_mem_fb_amount(dev),
NV_DMA_ACCESS_RW, NV_DMA_TARGET_VIDMEM,
&gpuobj);
if (ret)
goto out_err;
ret = nouveau_gpuobj_ref_add(dev, dev_priv->channel, NvDmaVRAM,
gpuobj, NULL);
if (ret)
goto out_err;
gpuobj = NULL;
ret = nouveau_gpuobj_gart_dma_new(dev_priv->channel, 0,
dev_priv->gart_info.aper_size,
NV_DMA_ACCESS_RW, &gpuobj, NULL);
if (ret)
goto out_err;
ret = nouveau_gpuobj_ref_add(dev, dev_priv->channel, NvDmaGART,
gpuobj, NULL);
if (ret)
goto out_err;
return 0;
out_err:
nouveau_gpuobj_del(dev, &gpuobj);
nouveau_channel_free(dev_priv->channel);
dev_priv->channel = NULL;
return ret;
}
int
nouveau_notifier_alloc(struct nouveau_channel *chan, uint32_t handle,
int size, uint32_t *b_offset)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_gpuobj *nobj = NULL;
struct mem_block *mem;
uint32_t offset;
int target, ret;
if (!chan->notifier_heap) {
NV_ERROR(dev, "Channel %d doesn't have a notifier heap!\n",
chan->id);
return -EINVAL;
}
mem = nouveau_mem_alloc_block(chan->notifier_heap, size, 0,
(struct drm_file *)-2, 0);
if (!mem) {
NV_ERROR(dev, "Channel %d notifier block full\n", chan->id);
return -ENOMEM;
}
offset = chan->notifier_bo->bo.mem.mm_node->start << PAGE_SHIFT;
if (chan->notifier_bo->bo.mem.mem_type == TTM_PL_VRAM) {
target = NV_DMA_TARGET_VIDMEM;
} else
if (chan->notifier_bo->bo.mem.mem_type == TTM_PL_TT) {
if (dev_priv->gart_info.type == NOUVEAU_GART_SGDMA &&
dev_priv->card_type < NV_50) {
ret = nouveau_sgdma_get_page(dev, offset, &offset);
if (ret)
return ret;
target = NV_DMA_TARGET_PCI;
} else {
target = NV_DMA_TARGET_AGP;
if (dev_priv->card_type >= NV_50)
offset += dev_priv->vm_gart_base;
}
} else {
NV_ERROR(dev, "Bad DMA target, mem_type %d!\n",
chan->notifier_bo->bo.mem.mem_type);
return -EINVAL;
}
offset += mem->start;
ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_IN_MEMORY, offset,
mem->size, NV_DMA_ACCESS_RW, target,
&nobj);
if (ret) {
nouveau_mem_free_block(mem);
NV_ERROR(dev, "Error creating notifier ctxdma: %d\n", ret);
return ret;
}
nobj->dtor = nouveau_notifier_gpuobj_dtor;
nobj->priv = mem;
ret = nouveau_gpuobj_ref_add(dev, chan, handle, nobj, NULL);
if (ret) {
nouveau_gpuobj_del(dev, &nobj);
nouveau_mem_free_block(mem);
NV_ERROR(dev, "Error referencing notifier ctxdma: %d\n", ret);
return ret;
}
*b_offset = mem->start;
return 0;
}
int
nouveau_card_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_engine *engine;
struct nouveau_gpuobj *gpuobj;
int ret;
NV_DEBUG(dev, "prev state = %d\n", dev_priv->init_state);
if (dev_priv->init_state == NOUVEAU_CARD_INIT_DONE)
return 0;
/* Determine exact chipset we're running on */
if (dev_priv->card_type < NV_10)
dev_priv->chipset = dev_priv->card_type;
else
dev_priv->chipset =
(nv_rd32(dev, NV03_PMC_BOOT_0) & 0x0ff00000) >> 20;
/* Initialise internal driver API hooks */
ret = nouveau_init_engine_ptrs(dev);
if (ret)
return ret;
engine = &dev_priv->engine;
dev_priv->init_state = NOUVEAU_CARD_INIT_FAILED;
/* Parse BIOS tables / Run init tables if card not POSTed */
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
ret = nouveau_bios_init(dev);
if (ret)
return ret;
}
ret = nouveau_gpuobj_early_init(dev);
if (ret)
return ret;
/* Initialise instance memory, must happen before mem_init so we
* know exactly how much VRAM we're able to use for "normal"
* purposes.
*/
ret = engine->instmem.init(dev);
if (ret)
return ret;
/* Setup the memory manager */
ret = nouveau_mem_init(dev);
if (ret)
return ret;
ret = nouveau_gpuobj_init(dev);
if (ret)
return ret;
/* PMC */
ret = engine->mc.init(dev);
if (ret)
return ret;
/* PTIMER */
ret = engine->timer.init(dev);
if (ret)
return ret;
/* PFB */
ret = engine->fb.init(dev);
if (ret)
return ret;
/* PGRAPH */
ret = engine->graph.init(dev);
if (ret)
return ret;
/* PFIFO */
ret = engine->fifo.init(dev);
if (ret)
return ret;
/* this call irq_preinstall, register irq handler and
* call irq_postinstall
*/
ret = drm_irq_install(dev);
if (ret)
return ret;
ret = drm_vblank_init(dev, 0);
if (ret)
return ret;
/* what about PVIDEO/PCRTC/PRAMDAC etc? */
ret = nouveau_channel_alloc(dev, &dev_priv->channel,
(struct drm_file *)-2,
NvDmaFB, NvDmaTT);
if (ret)
return ret;
gpuobj = NULL;
ret = nouveau_gpuobj_dma_new(dev_priv->channel, NV_CLASS_DMA_IN_MEMORY,
0, nouveau_mem_fb_amount(dev),
NV_DMA_ACCESS_RW, NV_DMA_TARGET_VIDMEM,
&gpuobj);
if (ret)
return ret;
ret = nouveau_gpuobj_ref_add(dev, dev_priv->channel, NvDmaVRAM,
gpuobj, NULL);
if (ret) {
nouveau_gpuobj_del(dev, &gpuobj);
return ret;
}
gpuobj = NULL;
ret = nouveau_gpuobj_gart_dma_new(dev_priv->channel, 0,
dev_priv->gart_info.aper_size,
NV_DMA_ACCESS_RW, &gpuobj, NULL);
if (ret)
return ret;
ret = nouveau_gpuobj_ref_add(dev, dev_priv->channel, NvDmaGART,
gpuobj, NULL);
if (ret) {
nouveau_gpuobj_del(dev, &gpuobj);
return ret;
}
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
if (dev_priv->card_type >= NV_50) {
ret = nv50_display_create(dev);
if (ret)
return ret;
} else {
ret = nv04_display_create(dev);
if (ret)
return ret;
}
}
ret = nouveau_backlight_init(dev);
if (ret)
NV_ERROR(dev, "Error %d registering backlight\n", ret);
dev_priv->init_state = NOUVEAU_CARD_INIT_DONE;
if (drm_core_check_feature(dev, DRIVER_MODESET))
drm_helper_initial_config(dev);
return 0;
}
