diff options
Diffstat (limited to 'linux/r128_drv.h')
| -rw-r--r-- | linux/r128_drv.h | 49 |
1 files changed, 10 insertions, 39 deletions
diff --git a/linux/r128_drv.h b/linux/r128_drv.h index 4b46db08..0485deda 100644 --- a/linux/r128_drv.h +++ b/linux/r128_drv.h @@ -34,8 +34,8 @@ #ifndef __R128_DRV_H__ #define __R128_DRV_H__ -#define GET_RING_HEAD( ring ) le32_to_cpu( *(ring)->head ) -#define SET_RING_HEAD( ring, val ) *(ring)->head = cpu_to_le32( val ) +#define GET_RING_HEAD(ring) readl( (volatile u32 *) (ring)->head ) +#define SET_RING_HEAD(ring,val) writel( (val), (volatile u32 *) (ring)->head ) typedef struct drm_r128_freelist { unsigned int age; @@ -384,44 +384,11 @@ extern int r128_cce_indirect( struct inode *inode, struct file *filp, #define R128_BASE(reg) ((unsigned long)(dev_priv->mmio->handle)) #define R128_ADDR(reg) (R128_BASE( reg ) + reg) -#define R128_DEREF(reg) *(volatile u32 *)R128_ADDR( reg ) -#ifdef __alpha__ -#define R128_READ(reg) (_R128_READ((u32 *)R128_ADDR(reg))) -static inline u32 _R128_READ(u32 *addr) -{ - mb(); - return *(volatile u32 *)addr; -} -#define R128_WRITE(reg,val) \ -do { \ - wmb(); \ - R128_DEREF(reg) = val; \ -} while (0) -#else -#define R128_READ(reg) le32_to_cpu( R128_DEREF( reg ) ) -#define R128_WRITE(reg,val) \ -do { \ - R128_DEREF( reg ) = cpu_to_le32( val ); \ -} while (0) -#endif +#define R128_READ(reg) readl( (volatile u32 *) R128_ADDR(reg) ) +#define R128_WRITE(reg,val) writel( (val), (volatile u32 *) R128_ADDR(reg) ) -#define R128_DEREF8(reg) *(volatile u8 *)R128_ADDR( reg ) -#ifdef __alpha__ -#define R128_READ8(reg) _R128_READ8((u8 *)R128_ADDR(reg)) -static inline u8 _R128_READ8(u8 *addr) -{ - mb(); - return *(volatile u8 *)addr; -} -#define R128_WRITE8(reg,val) \ -do { \ - wmb(); \ - R128_DEREF8(reg) = val; \ -} while (0) -#else -#define R128_READ8(reg) R128_DEREF8( reg ) -#define R128_WRITE8(reg,val) do { R128_DEREF8( reg ) = val; } while (0) -#endif +#define R128_READ8(reg) readb( (volatile u8 *) R128_ADDR(reg) ) +#define R128_WRITE8(reg,val) writeb( (val), (volatile u8 *) R128_ADDR(reg) ) #define R128_WRITE_PLL(addr,val) \ do { \ @@ -493,7 +460,11 @@ do { \ * Ring control */ +#if defined(__powerpc__) +#define r128_flush_write_combine() (void) GET_RING_HEAD( &dev_priv->ring ) +#else #define r128_flush_write_combine() mb() +#endif #define R128_VERBOSE 0 |