int
nv40_fifo_load_context(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
uint32_t tmp, tmp2;
NV_WRITE(NV04_PFIFO_CACHE1_DMA_GET , RAMFC_RD(DMA_GET));
NV_WRITE(NV04_PFIFO_CACHE1_DMA_PUT , RAMFC_RD(DMA_PUT));
NV_WRITE(NV10_PFIFO_CACHE1_REF_CNT , RAMFC_RD(REF_CNT));
NV_WRITE(NV04_PFIFO_CACHE1_DMA_INSTANCE , RAMFC_RD(DMA_INSTANCE));
NV_WRITE(NV04_PFIFO_CACHE1_DMA_DCOUNT , RAMFC_RD(DMA_DCOUNT));
NV_WRITE(NV04_PFIFO_CACHE1_DMA_STATE , RAMFC_RD(DMA_STATE));
/* No idea what 0x2058 is.. */
tmp = RAMFC_RD(DMA_FETCH);
tmp2 = NV_READ(0x2058) & 0xFFF;
tmp2 |= (tmp & 0x30000000);
NV_WRITE(0x2058, tmp2);
tmp &= ~0x30000000;
NV_WRITE(NV04_PFIFO_CACHE1_DMA_FETCH , tmp);
NV_WRITE(NV04_PFIFO_CACHE1_ENGINE , RAMFC_RD(ENGINE));
NV_WRITE(NV04_PFIFO_CACHE1_PULL1 , RAMFC_RD(PULL1_ENGINE));
NV_WRITE(NV10_PFIFO_CACHE1_ACQUIRE_VALUE , RAMFC_RD(ACQUIRE_VALUE));
NV_WRITE(NV10_PFIFO_CACHE1_ACQUIRE_TIMESTAMP, RAMFC_RD(ACQUIRE_TIMESTAMP));
NV_WRITE(NV10_PFIFO_CACHE1_ACQUIRE_TIMEOUT , RAMFC_RD(ACQUIRE_TIMEOUT));
NV_WRITE(NV10_PFIFO_CACHE1_SEMAPHORE , RAMFC_RD(SEMAPHORE));
NV_WRITE(NV10_PFIFO_CACHE1_DMA_SUBROUTINE , RAMFC_RD(DMA_SUBROUTINE));
NV_WRITE(NV40_PFIFO_GRCTX_INSTANCE , RAMFC_RD(GRCTX_INSTANCE));
NV_WRITE(0x32e4, RAMFC_RD(UNK_40));
/* NVIDIA does this next line twice... */
NV_WRITE(0x32e8, RAMFC_RD(UNK_44));
NV_WRITE(0x2088, RAMFC_RD(UNK_4C));
NV_WRITE(0x3300, RAMFC_RD(UNK_50));
/* not sure what part is PUT, and which is GET.. never seen a non-zero
* value appear in a mmio-trace yet..
*/
#if 0
tmp = NV_READ(UNK_84);
NV_WRITE(NV_PFIFO_CACHE1_GET, tmp ???);
NV_WRITE(NV_PFIFO_CACHE1_PUT, tmp ???);
#endif
/* Don't clobber the TIMEOUT_ENABLED flag when restoring from RAMFC */
tmp = NV_READ(NV04_PFIFO_DMA_TIMESLICE) & ~0x1FFFF;
tmp |= RAMFC_RD(DMA_TIMESLICE) & 0x1FFFF;
NV_WRITE(NV04_PFIFO_DMA_TIMESLICE, tmp);
/* Set channel active, and in DMA mode */
NV_WRITE(NV03_PFIFO_CACHE1_PUSH1,
NV03_PFIFO_CACHE1_PUSH1_DMA | chan->id);
/* Reset DMA_CTL_AT_INFO to INVALID */
tmp = NV_READ(NV04_PFIFO_CACHE1_DMA_CTL) & ~(1<<31);
NV_WRITE(NV04_PFIFO_CACHE1_DMA_CTL, tmp);
return 0;
}
static void
nouveau_fifo_irq_handler(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_engine *engine = &dev_priv->Engine;
uint32_t status, reassign;
reassign = NV_READ(NV03_PFIFO_CACHES) & 1;
while ((status = NV_READ(NV03_PFIFO_INTR_0))) {
uint32_t chid, get;
NV_WRITE(NV03_PFIFO_CACHES, 0);
chid = engine->fifo.channel_id(dev);
get = NV_READ(NV03_PFIFO_CACHE1_GET);
if (status & NV_PFIFO_INTR_CACHE_ERROR) {
uint32_t mthd, data;
int ptr;
ptr = get >> 2;
if (dev_priv->card_type < NV_40) {
mthd = NV_READ(NV04_PFIFO_CACHE1_METHOD(ptr));
data = NV_READ(NV04_PFIFO_CACHE1_DATA(ptr));
} else {
mthd = NV_READ(NV40_PFIFO_CACHE1_METHOD(ptr));
data = NV_READ(NV40_PFIFO_CACHE1_DATA(ptr));
}
DRM_INFO("PFIFO_CACHE_ERROR - "
"Ch %d/%d Mthd 0x%04x Data 0x%08x\n",
chid, (mthd >> 13) & 7, mthd & 0x1ffc, data);
NV_WRITE(NV03_PFIFO_CACHE1_GET, get + 4);
NV_WRITE(NV04_PFIFO_CACHE1_PULL0, 1);
status &= ~NV_PFIFO_INTR_CACHE_ERROR;
NV_WRITE(NV03_PFIFO_INTR_0, NV_PFIFO_INTR_CACHE_ERROR);
}
if (status & NV_PFIFO_INTR_DMA_PUSHER) {
DRM_INFO("PFIFO_DMA_PUSHER - Ch %d\n", chid);
status &= ~NV_PFIFO_INTR_DMA_PUSHER;
NV_WRITE(NV03_PFIFO_INTR_0, NV_PFIFO_INTR_DMA_PUSHER);
NV_WRITE(NV04_PFIFO_CACHE1_DMA_STATE, 0x00000000);
if (NV_READ(NV04_PFIFO_CACHE1_DMA_PUT) != get)
NV_WRITE(NV04_PFIFO_CACHE1_DMA_GET, get + 4);
}
if (status) {
DRM_INFO("Unhandled PFIFO_INTR - 0x%08x\n", status);
NV_WRITE(NV03_PFIFO_INTR_0, status);
NV_WRITE(NV03_PMC_INTR_EN_0, 0);
}
NV_WRITE(NV03_PFIFO_CACHES, reassign);
}
int
nv10_fifo_create_context(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
int ret;
if ((ret = nouveau_gpuobj_new_fake(dev, NV10_RAMFC(chan->id), ~0,
NV10_RAMFC__SIZE,
NVOBJ_FLAG_ZERO_ALLOC |
NVOBJ_FLAG_ZERO_FREE,
NULL, &chan->ramfc)))
return ret;
/* Fill entries that are seen filled in dumps of nvidia driver just
* after channel's is put into DMA mode
*/
RAMFC_WR(DMA_PUT , chan->pushbuf_base);
RAMFC_WR(DMA_GET , chan->pushbuf_base);
RAMFC_WR(DMA_INSTANCE , chan->pushbuf->instance >> 4);
RAMFC_WR(DMA_FETCH , NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES |
NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8 |
#ifdef __BIG_ENDIAN
NV_PFIFO_CACHE1_BIG_ENDIAN |
#endif
0);
/* enable the fifo dma operation */
NV_WRITE(NV04_PFIFO_MODE,NV_READ(NV04_PFIFO_MODE)|(1<<chan->id));
return 0;
}
int
nv10_fifo_channel_id(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
return (NV_READ(NV03_PFIFO_CACHE1_PUSH1) &
NV10_PFIFO_CACHE1_PUSH1_CHID_MASK);
}
void
nv10_fifo_destroy_context(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
NV_WRITE(NV04_PFIFO_MODE, NV_READ(NV04_PFIFO_MODE)&~(1<<chan->id));
nouveau_gpuobj_ref_del(dev, &chan->ramfc);
}
/* first module load, setup the mmio/fb mapping */
int nouveau_firstopen(struct drm_device *dev)
{
#if defined(__powerpc__)
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct device_node *dn;
#endif
int ret;
/* Map any PCI resources we need on the card */
ret = nouveau_init_card_mappings(dev);
if (ret) return ret;
#if defined(__powerpc__)
/* Put the card in BE mode if it's not */
if (NV_READ(NV03_PMC_BOOT_1))
NV_WRITE(NV03_PMC_BOOT_1,0x00000001);
DRM_MEMORYBARRIER();
#endif
#if defined(__linux__) && defined(__powerpc__)
/* if we have an OF card, copy vbios to RAMIN */
dn = pci_device_to_OF_node(dev->pdev);
if (dn)
{
int size;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22))
const uint32_t *bios = of_get_property(dn, "NVDA,BMP", &size);
#else
const uint32_t *bios = get_property(dn, "NVDA,BMP", &size);
#endif
if (bios)
{
int i;
for(i=0;i<size;i+=4)
NV_WI32(i, bios[i/4]);
DRM_INFO("OF bios successfully copied (%d bytes)\n",size);
}
else
DRM_INFO("Unable to get the OF bios\n");
}
else
DRM_INFO("Unable to get the OF node\n");
#endif
return 0;
}
int
nv10_fifo_load_context(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
uint32_t tmp;
NV_WRITE(NV03_PFIFO_CACHE1_PUSH1,
NV03_PFIFO_CACHE1_PUSH1_DMA | chan->id);
NV_WRITE(NV04_PFIFO_CACHE1_DMA_GET , RAMFC_RD(DMA_GET));
NV_WRITE(NV04_PFIFO_CACHE1_DMA_PUT , RAMFC_RD(DMA_PUT));
NV_WRITE(NV10_PFIFO_CACHE1_REF_CNT , RAMFC_RD(REF_CNT));
tmp = RAMFC_RD(DMA_INSTANCE);
NV_WRITE(NV04_PFIFO_CACHE1_DMA_INSTANCE , tmp & 0xFFFF);
NV_WRITE(NV04_PFIFO_CACHE1_DMA_DCOUNT , tmp >> 16);
NV_WRITE(NV04_PFIFO_CACHE1_DMA_STATE , RAMFC_RD(DMA_STATE));
NV_WRITE(NV04_PFIFO_CACHE1_DMA_FETCH , RAMFC_RD(DMA_FETCH));
NV_WRITE(NV04_PFIFO_CACHE1_ENGINE , RAMFC_RD(ENGINE));
NV_WRITE(NV04_PFIFO_CACHE1_PULL1 , RAMFC_RD(PULL1_ENGINE));
if (dev_priv->chipset >= 0x17) {
NV_WRITE(NV10_PFIFO_CACHE1_ACQUIRE_VALUE,
RAMFC_RD(ACQUIRE_VALUE));
NV_WRITE(NV10_PFIFO_CACHE1_ACQUIRE_TIMESTAMP,
RAMFC_RD(ACQUIRE_TIMESTAMP));
NV_WRITE(NV10_PFIFO_CACHE1_ACQUIRE_TIMEOUT,
RAMFC_RD(ACQUIRE_TIMEOUT));
NV_WRITE(NV10_PFIFO_CACHE1_SEMAPHORE,
RAMFC_RD(SEMAPHORE));
NV_WRITE(NV10_PFIFO_CACHE1_DMA_SUBROUTINE,
RAMFC_RD(DMA_SUBROUTINE));
}
/* Reset NV04_PFIFO_CACHE1_DMA_CTL_AT_INFO to INVALID */
tmp = NV_READ(NV04_PFIFO_CACHE1_DMA_CTL) & ~(1<<31);
NV_WRITE(NV04_PFIFO_CACHE1_DMA_CTL, tmp);
return 0;
}
int
nouveau_card_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_engine *engine;
int ret;
DRM_DEBUG("prev state = %d\n", dev_priv->init_state);
if (dev_priv->init_state == NOUVEAU_CARD_INIT_DONE)
return 0;
dev_priv->ttm = 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_READ(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;
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 */
if (dev_priv->ttm) {
ret = nouveau_mem_init_ttm(dev);
if (ret) return ret;
} else {
ret = nouveau_mem_init(dev);
if (ret) return ret;
}
ret = nouveau_gpuobj_init(dev);
if (ret) return ret;
/* Parse BIOS tables / Run init tables? */
/* 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;
/* what about PVIDEO/PCRTC/PRAMDAC etc? */
ret = nouveau_dma_channel_init(dev);
if (ret) return ret;
ret = nouveau_backlight_init(dev);
if (ret)
DRM_ERROR("Error code %d when trying to register backlight\n",
ret);
dev_priv->init_state = NOUVEAU_CARD_INIT_DONE;
return 0;
}
int
nv10_fifo_save_context(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
uint32_t tmp;
RAMFC_WR(DMA_PUT , NV_READ(NV04_PFIFO_CACHE1_DMA_PUT));
RAMFC_WR(DMA_GET , NV_READ(NV04_PFIFO_CACHE1_DMA_GET));
RAMFC_WR(REF_CNT , NV_READ(NV10_PFIFO_CACHE1_REF_CNT));
tmp = NV_READ(NV04_PFIFO_CACHE1_DMA_INSTANCE) & 0xFFFF;
tmp |= (NV_READ(NV04_PFIFO_CACHE1_DMA_DCOUNT) << 16);
RAMFC_WR(DMA_INSTANCE , tmp);
RAMFC_WR(DMA_STATE , NV_READ(NV04_PFIFO_CACHE1_DMA_STATE));
RAMFC_WR(DMA_FETCH , NV_READ(NV04_PFIFO_CACHE1_DMA_FETCH));
RAMFC_WR(ENGINE , NV_READ(NV04_PFIFO_CACHE1_ENGINE));
RAMFC_WR(PULL1_ENGINE , NV_READ(NV04_PFIFO_CACHE1_PULL1));
if (dev_priv->chipset >= 0x17) {
RAMFC_WR(ACQUIRE_VALUE,
NV_READ(NV10_PFIFO_CACHE1_ACQUIRE_VALUE));
RAMFC_WR(ACQUIRE_TIMESTAMP,
NV_READ(NV10_PFIFO_CACHE1_ACQUIRE_TIMESTAMP));
RAMFC_WR(ACQUIRE_TIMEOUT,
NV_READ(NV10_PFIFO_CACHE1_ACQUIRE_TIMEOUT));
RAMFC_WR(SEMAPHORE,
NV_READ(NV10_PFIFO_CACHE1_SEMAPHORE));
RAMFC_WR(DMA_SUBROUTINE,
NV_READ(NV04_PFIFO_CACHE1_DMA_GET));
}
return 0;
}
int
nv40_fifo_save_context(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
uint32_t tmp;
RAMFC_WR(DMA_PUT , NV_READ(NV04_PFIFO_CACHE1_DMA_PUT));
RAMFC_WR(DMA_GET , NV_READ(NV04_PFIFO_CACHE1_DMA_GET));
RAMFC_WR(REF_CNT , NV_READ(NV10_PFIFO_CACHE1_REF_CNT));
RAMFC_WR(DMA_INSTANCE , NV_READ(NV04_PFIFO_CACHE1_DMA_INSTANCE));
RAMFC_WR(DMA_DCOUNT , NV_READ(NV04_PFIFO_CACHE1_DMA_DCOUNT));
RAMFC_WR(DMA_STATE , NV_READ(NV04_PFIFO_CACHE1_DMA_STATE));
tmp = NV_READ(NV04_PFIFO_CACHE1_DMA_FETCH);
tmp |= NV_READ(0x2058) & 0x30000000;
RAMFC_WR(DMA_FETCH , tmp);
RAMFC_WR(ENGINE , NV_READ(NV04_PFIFO_CACHE1_ENGINE));
RAMFC_WR(PULL1_ENGINE , NV_READ(NV04_PFIFO_CACHE1_PULL1));
RAMFC_WR(ACQUIRE_VALUE , NV_READ(NV10_PFIFO_CACHE1_ACQUIRE_VALUE));
tmp = NV_READ(NV10_PFIFO_CACHE1_ACQUIRE_TIMESTAMP);
RAMFC_WR(ACQUIRE_TIMESTAMP, tmp);
RAMFC_WR(ACQUIRE_TIMEOUT , NV_READ(NV10_PFIFO_CACHE1_ACQUIRE_TIMEOUT));
RAMFC_WR(SEMAPHORE , NV_READ(NV10_PFIFO_CACHE1_SEMAPHORE));
/* NVIDIA read 0x3228 first, then write DMA_GET here.. maybe something
* more involved depending on the value of 0x3228?
*/
RAMFC_WR(DMA_SUBROUTINE , NV_READ(NV04_PFIFO_CACHE1_DMA_GET));
RAMFC_WR(GRCTX_INSTANCE , NV_READ(NV40_PFIFO_GRCTX_INSTANCE));
/* No idea what the below is for exactly, ripped from a mmio-trace */
RAMFC_WR(UNK_40 , NV_READ(NV40_PFIFO_UNK32E4));
/* NVIDIA do this next line twice.. bug? */
RAMFC_WR(UNK_44 , NV_READ(0x32e8));
RAMFC_WR(UNK_4C , NV_READ(0x2088));
RAMFC_WR(UNK_50 , NV_READ(0x3300));
#if 0 /* no real idea which is PUT/GET in UNK_48.. */
tmp = NV_READ(NV04_PFIFO_CACHE1_GET);
tmp |= (NV_READ(NV04_PFIFO_CACHE1_PUT) << 16);
RAMFC_WR(UNK_48 , tmp);
#endif
return 0;
}
int nv30_graph_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
// uint32_t vramsz, tmp;
int ret, i;
NV_WRITE(NV03_PMC_ENABLE, NV_READ(NV03_PMC_ENABLE) &
~NV_PMC_ENABLE_PGRAPH);
NV_WRITE(NV03_PMC_ENABLE, NV_READ(NV03_PMC_ENABLE) |
NV_PMC_ENABLE_PGRAPH);
/* Create Context Pointer Table */
dev_priv->ctx_table_size = 32 * 4;
if ((ret = nouveau_gpuobj_new_ref(dev, NULL, NULL, 0,
dev_priv->ctx_table_size, 16,
NVOBJ_FLAG_ZERO_ALLOC,
&dev_priv->ctx_table)))
return ret;
NV_WRITE(NV20_PGRAPH_CHANNEL_CTX_TABLE,
dev_priv->ctx_table->instance >> 4);
NV_WRITE(NV03_PGRAPH_INTR , 0xFFFFFFFF);
NV_WRITE(NV03_PGRAPH_INTR_EN, 0xFFFFFFFF);
NV_WRITE(NV04_PGRAPH_DEBUG_0, 0xFFFFFFFF);
NV_WRITE(NV04_PGRAPH_DEBUG_0, 0x00000000);
NV_WRITE(NV04_PGRAPH_DEBUG_1, 0x401287c0);
NV_WRITE(0x400890, 0x01b463ff);
NV_WRITE(NV04_PGRAPH_DEBUG_3, 0xf2de0475);
NV_WRITE(NV10_PGRAPH_DEBUG_4, 0x00008000);
NV_WRITE(NV04_PGRAPH_LIMIT_VIOL_PIX, 0xf04bdff6);
NV_WRITE(0x400B80, 0x1003d888);
NV_WRITE(0x400B84, 0x0c000000);
NV_WRITE(0x400098, 0x00000000);
NV_WRITE(0x40009C, 0x0005ad00);
NV_WRITE(0x400B88, 0x62ff00ff); // suspiciously like PGRAPH_DEBUG_2
NV_WRITE(0x4000a0, 0x00000000);
NV_WRITE(0x4000a4, 0x00000008);
NV_WRITE(0x4008a8, 0xb784a400);
NV_WRITE(0x400ba0, 0x002f8685);
NV_WRITE(0x400ba4, 0x00231f3f);
NV_WRITE(0x4008a4, 0x40000020);
if (dev_priv->chipset == 0x34) {
NV_WRITE(NV10_PGRAPH_RDI_INDEX, 0x00EA0004);
NV_WRITE(NV10_PGRAPH_RDI_DATA , 0x00200201);
NV_WRITE(NV10_PGRAPH_RDI_INDEX, 0x00EA0008);
NV_WRITE(NV10_PGRAPH_RDI_DATA , 0x00000008);
NV_WRITE(NV10_PGRAPH_RDI_INDEX, 0x00EA0000);
NV_WRITE(NV10_PGRAPH_RDI_DATA , 0x00000032);
NV_WRITE(NV10_PGRAPH_RDI_INDEX, 0x00E00004);
NV_WRITE(NV10_PGRAPH_RDI_DATA , 0x00000002);
}
NV_WRITE(0x4000c0, 0x00000016);
/* copy tile info from PFB */
for (i = 0; i < NV10_PFB_TILE__SIZE; i++) {
NV_WRITE(0x00400904 + i*0x10, NV_READ(NV10_PFB_TLIMIT(i)));
/* which is NV40_PGRAPH_TLIMIT0(i) ?? */
NV_WRITE(0x00400908 + i*0x10, NV_READ(NV10_PFB_TSIZE(i)));
/* which is NV40_PGRAPH_TSIZE0(i) ?? */
NV_WRITE(0x00400900 + i*0x10, NV_READ(NV10_PFB_TILE(i)));
/* which is NV40_PGRAPH_TILE0(i) ?? */
}
NV_WRITE(NV10_PGRAPH_CTX_CONTROL, 0x10000100);
NV_WRITE(NV10_PGRAPH_STATE , 0xFFFFFFFF);
NV_WRITE(0x0040075c , 0x00000001);
NV_WRITE(NV04_PGRAPH_FIFO , 0x00000001);
/* begin RAM config */
// vramsz = drm_get_resource_len(dev, 0) - 1;
NV_WRITE(0x4009A4, NV_READ(NV04_PFB_CFG0));
NV_WRITE(0x4009A8, NV_READ(NV04_PFB_CFG1));
if (dev_priv->chipset != 0x34) {
NV_WRITE(0x400750, 0x00EA0000);
NV_WRITE(0x400754, NV_READ(NV04_PFB_CFG0));
NV_WRITE(0x400750, 0x00EA0004);
NV_WRITE(0x400754, NV_READ(NV04_PFB_CFG1));
}
#if 0
NV_WRITE(0x400820, 0);
NV_WRITE(0x400824, 0);
NV_WRITE(0x400864, vramsz-1);
NV_WRITE(0x400868, vramsz-1);
NV_WRITE(0x400B20, 0x00000000);
NV_WRITE(0x400B04, 0xFFFFFFFF);
/* per-context state, doesn't belong here */
tmp = NV_READ(NV10_PGRAPH_SURFACE) & 0x0007ff00;
NV_WRITE(NV10_PGRAPH_SURFACE, tmp);
tmp = NV_READ(NV10_PGRAPH_SURFACE) | 0x00020100;
NV_WRITE(NV10_PGRAPH_SURFACE, tmp);
NV_WRITE(NV03_PGRAPH_ABS_UCLIP_XMIN, 0);
NV_WRITE(NV03_PGRAPH_ABS_UCLIP_YMIN, 0);
NV_WRITE(NV03_PGRAPH_ABS_UCLIP_XMAX, 0x7fff);
NV_WRITE(NV03_PGRAPH_ABS_UCLIP_YMAX, 0x7fff);
#endif
return 0;
}
int nv20_graph_init(struct drm_device *dev) {
struct drm_nouveau_private *dev_priv =
(struct drm_nouveau_private *)dev->dev_private;
uint32_t tmp, vramsz;
int ret, i;
NV_WRITE(NV03_PMC_ENABLE, NV_READ(NV03_PMC_ENABLE) &
~NV_PMC_ENABLE_PGRAPH);
NV_WRITE(NV03_PMC_ENABLE, NV_READ(NV03_PMC_ENABLE) |
NV_PMC_ENABLE_PGRAPH);
/* Create Context Pointer Table */
dev_priv->ctx_table_size = 32 * 4;
if ((ret = nouveau_gpuobj_new_ref(dev, NULL, NULL, 0,
dev_priv->ctx_table_size, 16,
NVOBJ_FLAG_ZERO_ALLOC,
&dev_priv->ctx_table)))
return ret;
NV_WRITE(NV20_PGRAPH_CHANNEL_CTX_TABLE,
dev_priv->ctx_table->instance >> 4);
nv20_graph_rdi(dev);
NV_WRITE(NV03_PGRAPH_INTR , 0xFFFFFFFF);
NV_WRITE(NV03_PGRAPH_INTR_EN, 0xFFFFFFFF);
NV_WRITE(NV04_PGRAPH_DEBUG_0, 0xFFFFFFFF);
NV_WRITE(NV04_PGRAPH_DEBUG_0, 0x00000000);
NV_WRITE(NV04_PGRAPH_DEBUG_1, 0x00118700);
NV_WRITE(NV04_PGRAPH_DEBUG_3, 0xF3CE0475); /* 0x4 = auto ctx switch */
NV_WRITE(NV10_PGRAPH_DEBUG_4, 0x00000000);
NV_WRITE(0x40009C , 0x00000040);
if (dev_priv->chipset >= 0x25) {
NV_WRITE(0x400890, 0x00080000);
NV_WRITE(0x400610, 0x304B1FB6);
NV_WRITE(0x400B80, 0x18B82880);
NV_WRITE(0x400B84, 0x44000000);
NV_WRITE(0x400098, 0x40000080);
NV_WRITE(0x400B88, 0x000000ff);
} else {
NV_WRITE(0x400880, 0x00080000); /* 0x0008c7df */
NV_WRITE(0x400094, 0x00000005);
NV_WRITE(0x400B80, 0x45CAA208); /* 0x45eae20e */
NV_WRITE(0x400B84, 0x24000000);
NV_WRITE(0x400098, 0x00000040);
NV_WRITE(NV10_PGRAPH_RDI_INDEX, 0x00E00038);
NV_WRITE(NV10_PGRAPH_RDI_DATA , 0x00000030);
NV_WRITE(NV10_PGRAPH_RDI_INDEX, 0x00E10038);
NV_WRITE(NV10_PGRAPH_RDI_DATA , 0x00000030);
}
/* copy tile info from PFB */
for (i = 0; i < NV10_PFB_TILE__SIZE; i++) {
NV_WRITE(0x00400904 + i*0x10, NV_READ(NV10_PFB_TLIMIT(i)));
/* which is NV40_PGRAPH_TLIMIT0(i) ?? */
NV_WRITE(NV10_PGRAPH_RDI_INDEX, 0x00EA0030+i*4);
NV_WRITE(NV10_PGRAPH_RDI_DATA, NV_READ(NV10_PFB_TLIMIT(i)));
NV_WRITE(0x00400908 + i*0x10, NV_READ(NV10_PFB_TSIZE(i)));
/* which is NV40_PGRAPH_TSIZE0(i) ?? */
NV_WRITE(NV10_PGRAPH_RDI_INDEX, 0x00EA0050+i*4);
NV_WRITE(NV10_PGRAPH_RDI_DATA, NV_READ(NV10_PFB_TSIZE(i)));
NV_WRITE(0x00400900 + i*0x10, NV_READ(NV10_PFB_TILE(i)));
/* which is NV40_PGRAPH_TILE0(i) ?? */
NV_WRITE(NV10_PGRAPH_RDI_INDEX, 0x00EA0010+i*4);
NV_WRITE(NV10_PGRAPH_RDI_DATA, NV_READ(NV10_PFB_TILE(i)));
}
for (i = 0; i < 8; i++) {
NV_WRITE(0x400980+i*4, NV_READ(0x100300+i*4));
NV_WRITE(NV10_PGRAPH_RDI_INDEX, 0x00EA0090+i*4);
NV_WRITE(NV10_PGRAPH_RDI_DATA, NV_READ(0x100300+i*4));
}
NV_WRITE(0x4009a0, NV_READ(0x100324));
NV_WRITE(NV10_PGRAPH_RDI_INDEX, 0x00EA000C);
NV_WRITE(NV10_PGRAPH_RDI_DATA, NV_READ(0x100324));
NV_WRITE(NV10_PGRAPH_CTX_CONTROL, 0x10000100);
NV_WRITE(NV10_PGRAPH_STATE , 0xFFFFFFFF);
NV_WRITE(NV04_PGRAPH_FIFO , 0x00000001);
tmp = NV_READ(NV10_PGRAPH_SURFACE) & 0x0007ff00;
NV_WRITE(NV10_PGRAPH_SURFACE, tmp);
tmp = NV_READ(NV10_PGRAPH_SURFACE) | 0x00020100;
NV_WRITE(NV10_PGRAPH_SURFACE, tmp);
/* begin RAM config */
vramsz = drm_get_resource_len(dev, 0) - 1;
NV_WRITE(0x4009A4, NV_READ(NV04_PFB_CFG0));
NV_WRITE(0x4009A8, NV_READ(NV04_PFB_CFG1));
NV_WRITE(NV10_PGRAPH_RDI_INDEX, 0x00EA0000);
NV_WRITE(NV10_PGRAPH_RDI_DATA , NV_READ(NV04_PFB_CFG0));
NV_WRITE(NV10_PGRAPH_RDI_INDEX, 0x00EA0004);
NV_WRITE(NV10_PGRAPH_RDI_DATA , NV_READ(NV04_PFB_CFG1));
NV_WRITE(0x400820, 0);
NV_WRITE(0x400824, 0);
NV_WRITE(0x400864, vramsz-1);
NV_WRITE(0x400868, vramsz-1);
/* interesting.. the below overwrites some of the tile setup above.. */
NV_WRITE(0x400B20, 0x00000000);
NV_WRITE(0x400B04, 0xFFFFFFFF);
NV_WRITE(NV03_PGRAPH_ABS_UCLIP_XMIN, 0);
NV_WRITE(NV03_PGRAPH_ABS_UCLIP_YMIN, 0);
NV_WRITE(NV03_PGRAPH_ABS_UCLIP_XMAX, 0x7fff);
NV_WRITE(NV03_PGRAPH_ABS_UCLIP_YMAX, 0x7fff);
return 0;
}