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| author | Alex Deucher <alexander.deucher@amd.com> | 2012-09-27 19:08:35 (GMT) |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2012-12-10 21:53:23 (GMT) |
| commit | 4d75658bffea78f0c6f82fd46df1ec983ccacdf0 (patch) | |
| tree | a6c111fe8fb7ebb76af46924ec0bc5c8f7cc961b /drivers/gpu/drm/radeon/rv770d.h | |
| parent | 71bfe916ebe6d026cd3d0e41c398574fc1228e03 (diff) | |
| download | linux-4d75658bffea78f0c6f82fd46df1ec983ccacdf0.tar.xz | |
drm/radeon/kms: Add initial support for async DMA on r6xx/r7xx
Uses the new multi-ring infrastucture. 6xx/7xx has a single
async DMA ring.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/rv770d.h')
| -rw-r--r-- | drivers/gpu/drm/radeon/rv770d.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/rv770d.h b/drivers/gpu/drm/radeon/rv770d.h index e2d9dc8..20e29d2 100644 --- a/drivers/gpu/drm/radeon/rv770d.h +++ b/drivers/gpu/drm/radeon/rv770d.h @@ -109,6 +109,9 @@ #define PIPE_TILING__SHIFT 1 #define PIPE_TILING__MASK 0x0000000e +#define DMA_TILING_CONFIG 0x3ec8 +#define DMA_TILING_CONFIG2 0xd0b8 + #define GC_USER_SHADER_PIPE_CONFIG 0x8954 #define INACTIVE_QD_PIPES(x) ((x) << 8) #define INACTIVE_QD_PIPES_MASK 0x0000FF00 @@ -358,6 +361,26 @@ #define WAIT_UNTIL 0x8040 +/* async DMA */ +#define DMA_RB_RPTR 0xd008 +#define DMA_RB_WPTR 0xd00c + +/* async DMA packets */ +#define DMA_PACKET(cmd, t, s, n) ((((cmd) & 0xF) << 28) | \ + (((t) & 0x1) << 23) | \ + (((s) & 0x1) << 22) | \ + (((n) & 0xFFFF) << 0)) +/* async DMA Packet types */ +#define DMA_PACKET_WRITE 0x2 +#define DMA_PACKET_COPY 0x3 +#define DMA_PACKET_INDIRECT_BUFFER 0x4 +#define DMA_PACKET_SEMAPHORE 0x5 +#define DMA_PACKET_FENCE 0x6 +#define DMA_PACKET_TRAP 0x7 +#define DMA_PACKET_CONSTANT_FILL 0xd +#define DMA_PACKET_NOP 0xf + + #define SRBM_STATUS 0x0E50 /* DCE 3.2 HDMI */ |