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-rw-r--r--linux/r128_drv.h49
-rw-r--r--linux/radeon_cp.c6
-rw-r--r--linux/radeon_drv.c4
-rw-r--r--linux/radeon_drv.h63
-rw-r--r--linux/radeon_state.c10
5 files changed, 55 insertions, 77 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
diff --git a/linux/radeon_cp.c b/linux/radeon_cp.c
index 0823edd0..14901f59 100644
--- a/linux/radeon_cp.c
+++ b/linux/radeon_cp.c
@@ -40,7 +40,7 @@
#define RADEON_FIFO_DEBUG 0
-#if defined(__alpha__)
+#if defined(__alpha__) || defined(__powerpc__)
# define PCIGART_ENABLED
#else
# undef PCIGART_ENABLED
@@ -631,7 +631,11 @@ static void radeon_cp_init_ring_buffer( drm_device_t *dev,
}
/* Set ring buffer size */
+#ifdef __BIG_ENDIAN
+ RADEON_WRITE( RADEON_CP_RB_CNTL, dev_priv->ring.size_l2qw | RADEON_BUF_SWAP_32BIT );
+#else
RADEON_WRITE( RADEON_CP_RB_CNTL, dev_priv->ring.size_l2qw );
+#endif
radeon_do_wait_for_idle( dev_priv );
diff --git a/linux/radeon_drv.c b/linux/radeon_drv.c
index 4dea95f6..135dd184 100644
--- a/linux/radeon_drv.c
+++ b/linux/radeon_drv.c
@@ -39,11 +39,11 @@
#define DRIVER_NAME "radeon"
#define DRIVER_DESC "ATI Radeon"
-#define DRIVER_DATE "20010405"
+#define DRIVER_DATE "20020602"
#define DRIVER_MAJOR 1
#define DRIVER_MINOR 2
-#define DRIVER_PATCHLEVEL 0
+#define DRIVER_PATCHLEVEL 1
/* Interface history:
*
diff --git a/linux/radeon_drv.h b/linux/radeon_drv.h
index abbf7179..d6a90078 100644
--- a/linux/radeon_drv.h
+++ b/linux/radeon_drv.h
@@ -31,6 +31,9 @@
#ifndef __RADEON_DRV_H__
#define __RADEON_DRV_H__
+#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_radeon_freelist {
unsigned int age;
drm_buf_t *buf;
@@ -152,7 +155,7 @@ extern int radeon_wait_ring( drm_radeon_private_t *dev_priv, int n );
static inline void
radeon_update_ring_snapshot( drm_radeon_ring_buffer_t *ring )
{
- ring->space = (*(volatile int *)ring->head - ring->tail) * sizeof(u32);
+ ring->space = (GET_RING_HEAD(ring) - ring->tail) * sizeof(u32);
if ( ring->space <= 0 )
ring->space += ring->size;
}
@@ -255,6 +258,12 @@ extern int radeon_cp_vertex2( struct inode *inode, struct file *filp,
# define RADEON_ISYNC_WAIT_IDLEGUI (1 << 4)
# define RADEON_ISYNC_CPSCRATCH_IDLEGUI (1 << 5)
+#define RADEON_RBBM_GUICNTL 0x172c
+# define RADEON_HOST_DATA_SWAP_NONE (0 << 0)
+# define RADEON_HOST_DATA_SWAP_16BIT (1 << 0)
+# define RADEON_HOST_DATA_SWAP_32BIT (2 << 0)
+# define RADEON_HOST_DATA_SWAP_HDW (3 << 0)
+
#define RADEON_MC_AGP_LOCATION 0x014c
#define RADEON_MC_FB_LOCATION 0x0148
#define RADEON_MCLK_CNTL 0x0012
@@ -424,6 +433,7 @@ extern int radeon_cp_vertex2( struct inode *inode, struct file *filp,
#define RADEON_CP_RB_BASE 0x0700
#define RADEON_CP_RB_CNTL 0x0704
+# define RADEON_BUF_SWAP_32BIT (2 << 16)
#define RADEON_CP_RB_RPTR_ADDR 0x070c
#define RADEON_CP_RB_RPTR 0x0710
#define RADEON_CP_RB_WPTR 0x0714
@@ -530,41 +540,11 @@ extern int radeon_cp_vertex2( struct inode *inode, struct file *filp,
#define RADEON_BASE(reg) ((unsigned long)(dev_priv->mmio->handle))
#define RADEON_ADDR(reg) (RADEON_BASE( reg ) + reg)
-#define RADEON_DEREF(reg) *(volatile u32 *)RADEON_ADDR( reg )
-#ifdef __alpha__
-#define RADEON_READ(reg) (_RADEON_READ((u32 *)RADEON_ADDR( reg )))
-static inline u32 _RADEON_READ(u32 *addr)
-{
- mb();
- return *(volatile u32 *)addr;
-}
-#define RADEON_WRITE(reg,val) \
-do { \
- wmb(); \
- RADEON_DEREF(reg) = val; \
-} while (0)
-#else
-#define RADEON_READ(reg) RADEON_DEREF( reg )
-#define RADEON_WRITE(reg, val) do { RADEON_DEREF( reg ) = val; } while (0)
-#endif
+#define RADEON_READ(reg) readl( (volatile u32 *) RADEON_ADDR(reg) )
+#define RADEON_WRITE(reg,val) writel( (val), (volatile u32 *) RADEON_ADDR(reg) )
-#define RADEON_DEREF8(reg) *(volatile u8 *)RADEON_ADDR( reg )
-#ifdef __alpha__
-#define RADEON_READ8(reg) _RADEON_READ8((u8 *)RADEON_ADDR( reg ))
-static inline u8 _RADEON_READ8(u8 *addr)
-{
- mb();
- return *(volatile u8 *)addr;
-}
-#define RADEON_WRITE8(reg,val) \
-do { \
- wmb(); \
- RADEON_DEREF8( reg ) = val; \
-} while (0)
-#else
-#define RADEON_READ8(reg) RADEON_DEREF8( reg )
-#define RADEON_WRITE8(reg, val) do { RADEON_DEREF8( reg ) = val; } while (0)
-#endif
+#define RADEON_READ8(reg) readb( (volatile u8 *) RADEON_ADDR(reg) )
+#define RADEON_WRITE8(reg,val) writeb( (val), (volatile u8 *) RADEON_ADDR(reg) )
#define RADEON_WRITE_PLL( addr, val ) \
do { \
@@ -661,6 +641,15 @@ do { \
goto __ring_space_done; \
udelay( 1 ); \
} \
+ DRM_ERROR( "ring space check from memory failed, reading register...\n" ); \
+ /* If ring space check fails from RAM, try reading the \
+ register directly */ \
+ ring->space = 4 * ( RADEON_READ( RADEON_CP_RB_RPTR ) - ring->tail ); \
+ if ( ring->space <= 0 ) \
+ ring->space += ring->size; \
+ if ( ring->space >= ring->high_mark ) \
+ goto __ring_space_done; \
+ \
DRM_ERROR( "ring space check failed!\n" ); \
return -EBUSY; \
} \
@@ -698,7 +687,11 @@ do { \
* Ring control
*/
+#if defined(__powerpc__)
+#define radeon_flush_write_combine() (void) GET_RING_HEAD( &dev_priv->ring )
+#else
#define radeon_flush_write_combine() mb()
+#endif
#define RADEON_VERBOSE 0
diff --git a/linux/radeon_state.c b/linux/radeon_state.c
index 79b29134..cc518a0e 100644
--- a/linux/radeon_state.c
+++ b/linux/radeon_state.c
@@ -1062,6 +1062,16 @@ static int radeon_cp_dispatch_texture( drm_device_t *dev,
ADVANCE_RING();
+#ifdef __BIG_ENDIAN
+ /* The Mesa texture functions provide the data in little endian as the
+ * chip wants it, but we need to compensate for the fact that the CP
+ * ring gets byte-swapped
+ */
+ BEGIN_RING( 2 );
+ OUT_RING_REG( RADEON_RBBM_GUICNTL, RADEON_HOST_DATA_SWAP_32BIT );
+ ADVANCE_RING();
+#endif
+
/* Make a copy of the parameters in case we have to update them
* for a multi-pass texture blit.
*/
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 06:10:07 +0000