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#include "drmP.h"
#include "drm.h"
#include "nouveau_drv.h"
#include "nouveau_drm.h"
void
nv40_fb_set_tile_region(struct drm_device *dev, int i)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_tile_reg *tile = &dev_priv->tile.reg[i];
switch (dev_priv->chipset) {
case 0x40:
nv_wr32(dev, NV10_PFB_TLIMIT(i), tile->limit);
nv_wr32(dev, NV10_PFB_TSIZE(i), tile->pitch);
nv_wr32(dev, NV10_PFB_TILE(i), tile->addr);
break;
default:
nv_wr32(dev, NV40_PFB_TLIMIT(i), tile->limit);
nv_wr32(dev, NV40_PFB_TSIZE(i), tile->pitch);
nv_wr32(dev, NV40_PFB_TILE(i), tile->addr);
break;
}
}
static void
nv40_fb_init_gart(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_gpuobj *gart = dev_priv->gart_info.sg_ctxdma;
if (dev_priv->gart_info.type != NOUVEAU_GART_HW) {
nv_wr32(dev, 0x100800, 0x00000001);
return;
}
nv_wr32(dev, 0x100800, gart->pinst | 0x00000002);
nv_mask(dev, 0x10008c, 0x00000100, 0x00000100);
nv_wr32(dev, 0x100820, 0x00000000);
}
static void
nv44_fb_init_gart(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_gpuobj *gart = dev_priv->gart_info.sg_ctxdma;
u32 vinst;
if (dev_priv->gart_info.type != NOUVEAU_GART_HW) {
nv_wr32(dev, 0x100850, 0x80000000);
nv_wr32(dev, 0x100800, 0x00000001);
return;
}
/* calculate vram address of this PRAMIN block, object
* must be allocated on 512KiB alignment, and not exceed
* a total size of 512KiB for this to work correctly
*/
vinst = nv_rd32(dev, 0x10020c);
vinst -= ((gart->pinst >> 19) + 1) << 19;
nv_wr32(dev, 0x100850, 0x80000000);
nv_wr32(dev, 0x100818, dev_priv->gart_info.dummy.addr);
nv_wr32(dev, 0x100804, dev_priv->gart_info.aper_size);
nv_wr32(dev, 0x100850, 0x00008000);
nv_mask(dev, 0x10008c, 0x00000200, 0x00000200);
nv_wr32(dev, 0x100820, 0x00000000);
nv_wr32(dev, 0x10082c, 0x00000001);
nv_wr32(dev, 0x100800, vinst | 0x00000010);
}
int
nv40_fb_vram_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
/* 0x001218 is actually present on a few other NV4X I looked at,
* and even contains sane values matching 0x100474. From looking
* at various vbios images however, this isn't the case everywhere.
* So, I chose to use the same regs I've seen NVIDIA reading around
* the memory detection, hopefully that'll get us the right numbers
*/
if (dev_priv->chipset == 0x40) {
u32 pbus1218 = nv_rd32(dev, 0x001218);
switch (pbus1218 & 0x00000300) {
case 0x00000000: dev_priv->vram_type = NV_MEM_TYPE_SDRAM; break;
case 0x00000100: dev_priv->vram_type = NV_MEM_TYPE_DDR1; break;
case 0x00000200: dev_priv->vram_type = NV_MEM_TYPE_GDDR3; break;
case 0x00000300: dev_priv->vram_type = NV_MEM_TYPE_DDR2; break;
}
} else
if (dev_priv->chipset == 0x49 || dev_priv->chipset == 0x4b) {
u32 pfb914 = nv_rd32(dev, 0x100914);
switch (pfb914 & 0x00000003) {
case 0x00000000: dev_priv->vram_type = NV_MEM_TYPE_DDR1; break;
case 0x00000001: dev_priv->vram_type = NV_MEM_TYPE_DDR2; break;
case 0x00000002: dev_priv->vram_type = NV_MEM_TYPE_GDDR3; break;
case 0x00000003: break;
}
} else
if (dev_priv->chipset != 0x4e) {
u32 pfb474 = nv_rd32(dev, 0x100474);
if (pfb474 & 0x00000004)
dev_priv->vram_type = NV_MEM_TYPE_GDDR3;
if (pfb474 & 0x00000002)
dev_priv->vram_type = NV_MEM_TYPE_DDR2;
if (pfb474 & 0x00000001)
dev_priv->vram_type = NV_MEM_TYPE_DDR1;
} else {
dev_priv->vram_type = NV_MEM_TYPE_STOLEN;
}
dev_priv->vram_size = nv_rd32(dev, 0x10020c) & 0xff000000;
return 0;
}
int
nv40_fb_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
uint32_t tmp;
int i;
if (dev_priv->chipset != 0x40 && dev_priv->chipset != 0x45) {
if (nv44_graph_class(dev))
nv44_fb_init_gart(dev);
else
nv40_fb_init_gart(dev);
}
switch (dev_priv->chipset) {
case 0x40:
case 0x45:
tmp = nv_rd32(dev, NV10_PFB_CLOSE_PAGE2);
nv_wr32(dev, NV10_PFB_CLOSE_PAGE2, tmp & ~(1 << 15));
pfb->num_tiles = NV10_PFB_TILE__SIZE;
break;
case 0x46: /* G72 */
case 0x47: /* G70 */
case 0x49: /* G71 */
case 0x4b: /* G73 */
case 0x4c: /* C51 (G7X version) */
pfb->num_tiles = NV40_PFB_TILE__SIZE_1;
break;
default:
pfb->num_tiles = NV40_PFB_TILE__SIZE_0;
break;
}
/* Turn all the tiling regions off. */
for (i = 0; i < pfb->num_tiles; i++)
pfb->set_tile_region(dev, i);
return 0;
}
void
nv40_fb_takedown(struct drm_device *dev)
{
}
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