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#include "drmP.h"
#include "drm.h"
#include "nouveau_drv.h"
#include "nouveau_drm.h"
int
nv04_fb_vram_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
u32 boot0 = nv_rd32(dev, NV04_PFB_BOOT_0);
if (boot0 & 0x00000100) {
dev_priv->vram_size = ((boot0 >> 12) & 0xf) * 2 + 2;
dev_priv->vram_size *= 1024 * 1024;
} else {
switch (boot0 & NV04_PFB_BOOT_0_RAM_AMOUNT) {
case NV04_PFB_BOOT_0_RAM_AMOUNT_32MB:
dev_priv->vram_size = 32 * 1024 * 1024;
break;
case NV04_PFB_BOOT_0_RAM_AMOUNT_16MB:
dev_priv->vram_size = 16 * 1024 * 1024;
break;
case NV04_PFB_BOOT_0_RAM_AMOUNT_8MB:
dev_priv->vram_size = 8 * 1024 * 1024;
break;
case NV04_PFB_BOOT_0_RAM_AMOUNT_4MB:
dev_priv->vram_size = 4 * 1024 * 1024;
break;
}
}
return 0;
}
int
nv04_fb_init(struct drm_device *dev)
{
/* This is what the DDX did for NV_ARCH_04, but a mmio-trace shows
* nvidia reading PFB_CFG_0, then writing back its original value.
* (which was 0x701114 in this case)
*/
nv_wr32(dev, NV04_PFB_CFG0, 0x1114);
return 0;
}
void
nv04_fb_takedown(struct drm_device *dev)
{
}
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