Add helper functions for TYPE4 and TYPE7 ME opcodes that replace
TYPE0 and TYPE3 starting with the A5XX targets.
Signed-off-by: Jordan Crouse <jcrouse@xxxxxxxxxxxxxx>
---
drivers/gpu/drm/msm/adreno/adreno_gpu.h | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
index 30c2956..707487f 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
@@ -219,6 +219,36 @@ OUT_PKT3(struct msm_ringbuffer *ring, uint8_t opcode, uint16_t cnt)
OUT_RING(ring, CP_TYPE3_PKT | ((cnt-1) << 16) | ((opcode & 0xFF) << 8));
}
+static inline u32 PM4_PARITY(u32 val)
+{
+ return (0x9669 >> (0xF & (val ^
+ (val >> 4) ^ (val >> 8) ^ (val >> 12) ^
+ (val >> 16) ^ ((val) >> 20) ^ (val >> 24) ^
+ (val >> 28)))) & 1;
+}
+
+/* Maximum number of values that can be executed for one opcode */
+#define TYPE4_MAX_PAYLOAD 127
+
+#define PKT4(_reg, _cnt) \
+ (CP_TYPE4_PKT | ((_cnt) << 0) | (PM4_PARITY((_cnt)) << 7) | \
+ (((_reg) & 0x3FFFF) << 8) | (PM4_PARITY((_reg)) << 27))
+
+static inline void
+OUT_PKT4(struct msm_ringbuffer *ring, uint16_t regindx, uint16_t cnt)
+{
+ adreno_wait_ring(ring->gpu, cnt + 1);
+ OUT_RING(ring, PKT4(regindx, cnt));
+}
+
+static inline void
+OUT_PKT7(struct msm_ringbuffer *ring, uint8_t opcode, uint16_t cnt)
+{
+ adreno_wait_ring(ring->gpu, cnt + 1);
+ OUT_RING(ring, CP_TYPE7_PKT | (cnt << 0) | (PM4_PARITY(cnt) << 15) |
+ ((opcode & 0x7F) << 16) | (PM4_PARITY(opcode) << 23));
+}
+
/*
* adreno_checkreg_off() - Checks the validity of a register enum
* @gpu: Pointer to struct adreno_gpu
--
1.9.1
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