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#include "drmP.h"
#include "nouveau_drv.h"
#include "nouveau_drm.h"
void
nv10_fb_init_tile_region(struct drm_device *dev, int i, uint32_t addr,
uint32_t size, uint32_t pitch, uint32_t flags)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_tile_reg *tile = &dev_priv->tile.reg[i];
tile->addr = 0x80000000 | addr;
tile->limit = max(1u, addr + size) - 1;
tile->pitch = pitch;
}
void
nv10_fb_free_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];
tile->addr = tile->limit = tile->pitch = tile->zcomp = 0;
}
void
nv10_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];
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);
}
int
nv1a_fb_vram_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct pci_dev *bridge;
uint32_t mem, mib;
bridge = pci_get_bus_and_slot(0, PCI_DEVFN(0, 1));
if (!bridge) {
NV_ERROR(dev, "no bridge device\n");
return 0;
}
if (dev_priv->chipset == 0x1a) {
pci_read_config_dword(bridge, 0x7c, &mem);
mib = ((mem >> 6) & 31) + 1;
} else {
pci_read_config_dword(bridge, 0x84, &mem);
mib = ((mem >> 4) & 127) + 1;
}
dev_priv->vram_size = mib * 1024 * 1024;
return 0;
}
int
nv10_fb_vram_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
u32 fifo_data = nv_rd32(dev, NV04_PFB_FIFO_DATA);
u32 cfg0 = nv_rd32(dev, 0x100200);
dev_priv->vram_size = fifo_data & NV10_PFB_FIFO_DATA_RAM_AMOUNT_MB_MASK;
if (cfg0 & 0x00000001)
dev_priv->vram_type = NV_MEM_TYPE_DDR1;
else
dev_priv->vram_type = NV_MEM_TYPE_SDRAM;
return 0;
}
int
nv10_fb_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
int i;
/* Turn all the tiling regions off. */
pfb->num_tiles = NV10_PFB_TILE__SIZE;
for (i = 0; i < pfb->num_tiles; i++)
pfb->set_tile_region(dev, i);
return 0;
}
void
nv10_fb_takedown(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
int i;
for (i = 0; i < pfb->num_tiles; i++)
pfb->free_tile_region(dev, i);
}
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