int
nv20_graph_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
uint32_t tmp, vramsz;
int ret, i;
switch (dev_priv->chipset) {
case 0x20:
pgraph->grctx_size = NV20_GRCTX_SIZE;
break;
case 0x25:
case 0x28:
pgraph->grctx_size = NV25_GRCTX_SIZE;
break;
case 0x2a:
pgraph->grctx_size = NV2A_GRCTX_SIZE;
break;
default:
NV_ERROR(dev, "unknown chipset, disabling acceleration\n");
pgraph->accel_blocked = true;
return 0;
}
nv_wr32(dev, NV03_PMC_ENABLE,
nv_rd32(dev, NV03_PMC_ENABLE) & ~NV_PMC_ENABLE_PGRAPH);
nv_wr32(dev, NV03_PMC_ENABLE,
nv_rd32(dev, NV03_PMC_ENABLE) | NV_PMC_ENABLE_PGRAPH);
if (!pgraph->ctx_table) {
/* Create Context Pointer Table */
ret = nouveau_gpuobj_new(dev, NULL, 32 * 4, 16,
NVOBJ_FLAG_ZERO_ALLOC,
&pgraph->ctx_table);
if (ret)
return ret;
}
nv_wr32(dev, NV20_PGRAPH_CHANNEL_CTX_TABLE,
pgraph->ctx_table->pinst >> 4);
nv20_graph_rdi(dev);
nv_wr32(dev, NV03_PGRAPH_INTR , 0xFFFFFFFF);
nv_wr32(dev, NV03_PGRAPH_INTR_EN, 0xFFFFFFFF);
nv_wr32(dev, NV04_PGRAPH_DEBUG_0, 0xFFFFFFFF);
nv_wr32(dev, NV04_PGRAPH_DEBUG_0, 0x00000000);
nv_wr32(dev, NV04_PGRAPH_DEBUG_1, 0x00118700);
nv_wr32(dev, NV04_PGRAPH_DEBUG_3, 0xF3CE0475); /* 0x4 = auto ctx switch */
nv_wr32(dev, NV10_PGRAPH_DEBUG_4, 0x00000000);
nv_wr32(dev, 0x40009C , 0x00000040);
if (dev_priv->chipset >= 0x25) {
nv_wr32(dev, 0x400890, 0x00080000);
nv_wr32(dev, 0x400610, 0x304B1FB6);
nv_wr32(dev, 0x400B80, 0x18B82880);
nv_wr32(dev, 0x400B84, 0x44000000);
nv_wr32(dev, 0x400098, 0x40000080);
nv_wr32(dev, 0x400B88, 0x000000ff);
} else {
nv_wr32(dev, 0x400880, 0x00080000); /* 0x0008c7df */
nv_wr32(dev, 0x400094, 0x00000005);
nv_wr32(dev, 0x400B80, 0x45CAA208); /* 0x45eae20e */
nv_wr32(dev, 0x400B84, 0x24000000);
nv_wr32(dev, 0x400098, 0x00000040);
nv_wr32(dev, NV10_PGRAPH_RDI_INDEX, 0x00E00038);
nv_wr32(dev, NV10_PGRAPH_RDI_DATA , 0x00000030);
nv_wr32(dev, NV10_PGRAPH_RDI_INDEX, 0x00E10038);
nv_wr32(dev, NV10_PGRAPH_RDI_DATA , 0x00000030);
}
/* Turn all the tiling regions off. */
for (i = 0; i < NV10_PFB_TILE__SIZE; i++)
nv20_graph_set_region_tiling(dev, i, 0, 0, 0);
for (i = 0; i < 8; i++) {
nv_wr32(dev, 0x400980 + i * 4, nv_rd32(dev, 0x100300 + i * 4));
nv_wr32(dev, NV10_PGRAPH_RDI_INDEX, 0x00EA0090 + i * 4);
nv_wr32(dev, NV10_PGRAPH_RDI_DATA,
nv_rd32(dev, 0x100300 + i * 4));
}
nv_wr32(dev, 0x4009a0, nv_rd32(dev, 0x100324));
nv_wr32(dev, NV10_PGRAPH_RDI_INDEX, 0x00EA000C);
nv_wr32(dev, NV10_PGRAPH_RDI_DATA, nv_rd32(dev, 0x100324));
nv_wr32(dev, NV10_PGRAPH_CTX_CONTROL, 0x10000100);
nv_wr32(dev, NV10_PGRAPH_STATE , 0xFFFFFFFF);
tmp = nv_rd32(dev, NV10_PGRAPH_SURFACE) & 0x0007ff00;
nv_wr32(dev, NV10_PGRAPH_SURFACE, tmp);
tmp = nv_rd32(dev, NV10_PGRAPH_SURFACE) | 0x00020100;
nv_wr32(dev, NV10_PGRAPH_SURFACE, tmp);
/* begin RAM config */
vramsz = pci_resource_len(dev->pdev, 0) - 1;
nv_wr32(dev, 0x4009A4, nv_rd32(dev, NV04_PFB_CFG0));
nv_wr32(dev, 0x4009A8, nv_rd32(dev, NV04_PFB_CFG1));
nv_wr32(dev, NV10_PGRAPH_RDI_INDEX, 0x00EA0000);
nv_wr32(dev, NV10_PGRAPH_RDI_DATA , nv_rd32(dev, NV04_PFB_CFG0));
nv_wr32(dev, NV10_PGRAPH_RDI_INDEX, 0x00EA0004);
nv_wr32(dev, NV10_PGRAPH_RDI_DATA , nv_rd32(dev, NV04_PFB_CFG1));
nv_wr32(dev, 0x400820, 0);
nv_wr32(dev, 0x400824, 0);
nv_wr32(dev, 0x400864, vramsz - 1);
nv_wr32(dev, 0x400868, vramsz - 1);
/* interesting.. the below overwrites some of the tile setup above.. */
nv_wr32(dev, 0x400B20, 0x00000000);
nv_wr32(dev, 0x400B04, 0xFFFFFFFF);
nv_wr32(dev, NV03_PGRAPH_ABS_UCLIP_XMIN, 0);
nv_wr32(dev, NV03_PGRAPH_ABS_UCLIP_YMIN, 0);
nv_wr32(dev, NV03_PGRAPH_ABS_UCLIP_XMAX, 0x7fff);
nv_wr32(dev, NV03_PGRAPH_ABS_UCLIP_YMAX, 0x7fff);
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;
}
