drm/radeon/kms: demystify r600 blit code
some 3d register bits look like magic in r600 blit functions
use predefined constants to make it more intuitive what they are
Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h
index 0245ae6..bfe1b5d 100644
--- a/drivers/gpu/drm/radeon/r600d.h
+++ b/drivers/gpu/drm/radeon/r600d.h
@@ -79,6 +79,11 @@
#define CB_COLOR0_SIZE 0x28060
#define CB_COLOR0_VIEW 0x28080
#define CB_COLOR0_INFO 0x280a0
+# define CB_FORMAT(x) ((x) << 2)
+# define CB_ARRAY_MODE(x) ((x) << 8)
+# define CB_SOURCE_FORMAT(x) ((x) << 27)
+# define CB_SF_EXPORT_FULL 0
+# define CB_SF_EXPORT_NORM 1
#define CB_COLOR0_TILE 0x280c0
#define CB_COLOR0_FRAG 0x280e0
#define CB_COLOR0_MASK 0x28100
@@ -417,6 +422,17 @@
#define SQ_PGM_START_VS 0x28858
#define SQ_PGM_RESOURCES_VS 0x28868
#define SQ_PGM_CF_OFFSET_VS 0x288d0
+
+#define SQ_VTX_CONSTANT_WORD0_0 0x30000
+#define SQ_VTX_CONSTANT_WORD1_0 0x30004
+#define SQ_VTX_CONSTANT_WORD2_0 0x30008
+# define SQ_VTXC_BASE_ADDR_HI(x) ((x) << 0)
+# define SQ_VTXC_STRIDE(x) ((x) << 8)
+# define SQ_VTXC_ENDIAN_SWAP(x) ((x) << 30)
+# define SQ_ENDIAN_NONE 0
+# define SQ_ENDIAN_8IN16 1
+# define SQ_ENDIAN_8IN32 2
+#define SQ_VTX_CONSTANT_WORD3_0 0x3000c
#define SQ_VTX_CONSTANT_WORD6_0 0x38018
#define S__SQ_VTX_CONSTANT_TYPE(x) (((x) & 3) << 30)
#define G__SQ_VTX_CONSTANT_TYPE(x) (((x) >> 30) & 3)
@@ -1352,6 +1368,12 @@
#define S_038010_DST_SEL_W(x) (((x) & 0x7) << 25)
#define G_038010_DST_SEL_W(x) (((x) >> 25) & 0x7)
#define C_038010_DST_SEL_W 0xF1FFFFFF
+# define SQ_SEL_X 0
+# define SQ_SEL_Y 1
+# define SQ_SEL_Z 2
+# define SQ_SEL_W 3
+# define SQ_SEL_0 4
+# define SQ_SEL_1 5
#define S_038010_BASE_LEVEL(x) (((x) & 0xF) << 28)
#define G_038010_BASE_LEVEL(x) (((x) >> 28) & 0xF)
#define C_038010_BASE_LEVEL 0x0FFFFFFF