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authorAlex Deucher <alexander.deucher@amd.com>2012-09-27 15:08:35 -0400
committerAlex Deucher <alexander.deucher@amd.com>2012-12-10 16:53:23 -0500
commit4d75658bffea78f0c6f82fd46df1ec983ccacdf0 (patch)
treea6c111fe8fb7ebb76af46924ec0bc5c8f7cc961b /drivers/gpu/drm/radeon/r600d.h
parent71bfe916ebe6d026cd3d0e41c398574fc1228e03 (diff)
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/r600d.h')
-rw-r--r--drivers/gpu/drm/radeon/r600d.h54
1 files changed, 53 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h
index fa6f37099ba..a596c554a3a 100644
--- a/drivers/gpu/drm/radeon/r600d.h
+++ b/drivers/gpu/drm/radeon/r600d.h
@@ -590,9 +590,59 @@
#define WAIT_2D_IDLECLEAN_bit (1 << 16)
#define WAIT_3D_IDLECLEAN_bit (1 << 17)
+/* async DMA */
+#define DMA_TILING_CONFIG 0x3ec4
+#define DMA_CONFIG 0x3e4c
+
+#define DMA_RB_CNTL 0xd000
+# define DMA_RB_ENABLE (1 << 0)
+# define DMA_RB_SIZE(x) ((x) << 1) /* log2 */
+# define DMA_RB_SWAP_ENABLE (1 << 9) /* 8IN32 */
+# define DMA_RPTR_WRITEBACK_ENABLE (1 << 12)
+# define DMA_RPTR_WRITEBACK_SWAP_ENABLE (1 << 13) /* 8IN32 */
+# define DMA_RPTR_WRITEBACK_TIMER(x) ((x) << 16) /* log2 */
+#define DMA_RB_BASE 0xd004
+#define DMA_RB_RPTR 0xd008
+#define DMA_RB_WPTR 0xd00c
+
+#define DMA_RB_RPTR_ADDR_HI 0xd01c
+#define DMA_RB_RPTR_ADDR_LO 0xd020
+
+#define DMA_IB_CNTL 0xd024
+# define DMA_IB_ENABLE (1 << 0)
+# define DMA_IB_SWAP_ENABLE (1 << 4)
+#define DMA_IB_RPTR 0xd028
+#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_STATUS_REG 0xd034
+# define DMA_IDLE (1 << 0)
+#define DMA_SEM_INCOMPLETE_TIMER_CNTL 0xd044
+#define DMA_SEM_WAIT_FAIL_TIMER_CNTL 0xd048
+#define DMA_MODE 0xd0bc
+
+/* 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 /* 7xx only */
+#define DMA_PACKET_NOP 0xf
+
#define IH_RB_CNTL 0x3e00
# define IH_RB_ENABLE (1 << 0)
-# define IH_IB_SIZE(x) ((x) << 1) /* log2 */
+# define IH_RB_SIZE(x) ((x) << 1) /* log2 */
# define IH_RB_FULL_DRAIN_ENABLE (1 << 6)
# define IH_WPTR_WRITEBACK_ENABLE (1 << 8)
# define IH_WPTR_WRITEBACK_TIMER(x) ((x) << 9) /* log2 */
@@ -637,7 +687,9 @@
#define TN_RLC_CLEAR_STATE_RESTORE_BASE 0x3f20
#define SRBM_SOFT_RESET 0xe60
+# define SOFT_RESET_DMA (1 << 12)
# define SOFT_RESET_RLC (1 << 13)
+# define RV770_SOFT_RESET_DMA (1 << 20)
#define CP_INT_CNTL 0xc124
# define CNTX_BUSY_INT_ENABLE (1 << 19)