drm/radeon/kms: Add initial support for async DMA on evergreen

[profile/ivi/kernel-adaptation-intel-automotive.git] / drivers / gpu / drm / radeon / evergreend.h

diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h
index cae7ab4..92d1f45 100644 (file)
--- 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 */