diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2012-12-04 15:25:59 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2012-12-10 16:53:29 -0500 |
| commit | 233d1ad59a2895e348259bb6f9f4528a75ea7752 (patch) | |
| tree | 6539a16accaf1d0293b0a236db2cfdc27c22e083 /drivers/gpu/drm/radeon/evergreend.h | |
| parent | 4d75658bffea78f0c6f82fd46df1ec983ccacdf0 (diff) | |
drm/radeon/kms: Add initial support for async DMA on evergreen
Pretty similar to 6xx/7xx except the count field increased in the
packet header and the max IB size increased.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/evergreend.h')
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreend.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h index cae7ab4219e..92d1f4521ca 100644 --- a/drivers/gpu/drm/radeon/evergreend.h +++ b/drivers/gpu/drm/radeon/evergreend.h @@ -905,6 +905,35 @@ # define DC_HPDx_RX_INT_TIMER(x) ((x) << 16) # define DC_HPDx_EN (1 << 28) +/* ASYNC DMA */ +#define DMA_RB_RPTR 0xd008 +#define DMA_RB_WPTR 0xd00c + +#define DMA_CNTL 0xd02c +# define TRAP_ENABLE (1 << 0) +# define SEM_INCOMPLETE_INT_ENABLE (1 << 1) +# define SEM_WAIT_INT_ENABLE (1 << 2) +# define DATA_SWAP_ENABLE (1 << 3) +# define FENCE_SWAP_ENABLE (1 << 4) +# define CTXEMPTY_INT_ENABLE (1 << 28) +#define DMA_TILING_CONFIG 0xD0B8 + +/* async DMA packets */ +#define DMA_PACKET(cmd, t, s, n) ((((cmd) & 0xF) << 28) | \ + (((t) & 0x1) << 23) | \ + (((s) & 0x1) << 22) | \ + (((n) & 0xFFFFF) << 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_SRBM_WRITE 0x9 +#define DMA_PACKET_CONSTANT_FILL 0xd +#define DMA_PACKET_NOP 0xf + /* PCIE link stuff */ #define PCIE_LC_TRAINING_CNTL 0xa1 /* PCIE_P */ #define PCIE_LC_LINK_WIDTH_CNTL 0xa2 /* PCIE_P */ |