diff options
Diffstat (limited to 'shared-core/nv40_fb.c')
| -rw-r--r-- | shared-core/nv40_fb.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/shared-core/nv40_fb.c b/shared-core/nv40_fb.c new file mode 100644 index 00000000..83a7580e --- /dev/null +++ b/shared-core/nv40_fb.c @@ -0,0 +1,56 @@ +#include "drmP.h" +#include "drm.h" +#include "nouveau_drv.h" +#include "nouveau_drm.h" + +int +nv40_fb_init(drm_device_t *dev) +{ + drm_nouveau_private_t *dev_priv = dev->dev_private; + uint32_t fb_bar_size, tmp; + int num_tiles; + int i; + + switch (dev_priv->chipset) { + case 0x40: + case 0x45: + tmp = NV_READ(NV10_PFB_CLOSE_PAGE2); + NV_WRITE(NV10_PFB_CLOSE_PAGE2, tmp & ~(1<<15)); + num_tiles = NV10_PFB_TILE__SIZE; + break; + case 0x46: /* G72 */ + case 0x47: /* G70 */ + case 0x49: /* G71 */ + case 0x4b: /* G73 */ + case 0x4c: /* C51 (G7X version) */ + num_tiles = NV40_PFB_TILE__SIZE_1; + break; + default: + num_tiles = NV40_PFB_TILE__SIZE_0; + break; + } + + fb_bar_size = drm_get_resource_len(dev, 0) - 1; + switch (dev_priv->chipset) { + case 0x40: + for (i=0; i<num_tiles; i++) { + NV_WRITE(NV10_PFB_TILE(i), 0); + NV_WRITE(NV10_PFB_TLIMIT(i), fb_bar_size); + } + break; + default: + for (i=0; i<num_tiles; i++) { + NV_WRITE(NV40_PFB_TILE(i), 0); + NV_WRITE(NV40_PFB_TLIMIT(i), fb_bar_size); + } + break; + } + + return 0; +} + +void +nv40_fb_takedown(drm_device_t *dev) +{ +} + |