nouveau/nv50: G80 fixes.

[android-x86/external-libdrm.git] / shared-core / nv40_fb.c

#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)
{
}