[PATCH v4 01/17] soc: mediatek: Add register definitions for GCE

[Hsiao Chien Sung]

Add register definitions for GCE so users can use them
as a buffer to store data.

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
Signed-off-by: Hsiao Chien Sung <shawn.sung at mediatek.com>
---
 include/linux/soc/mediatek/mtk-cmdq.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h
index 649955d2cf5c..a253c001c861 100644
--- a/include/linux/soc/mediatek/mtk-cmdq.h
+++ b/include/linux/soc/mediatek/mtk-cmdq.h
@@ -14,6 +14,16 @@
 #define CMDQ_ADDR_HIGH(addr)	((u32)(((addr) >> 16) & GENMASK(31, 0)))
 #define CMDQ_ADDR_LOW(addr)	((u16)(addr) | BIT(1))
 
+/*
+ * Every cmdq thread has its own SPRs (Specific Purpose Registers),
+ * so there are 4 * 24 (threads) = 96 SPRs in GCE that shares the
+ * same indexes below
+ */
+#define CMDQ_THR_SPR_IDX0	(0)
+#define CMDQ_THR_SPR_IDX1	(1)
+#define CMDQ_THR_SPR_IDX2	(2)
+#define CMDQ_THR_SPR_IDX3	(3)
+
 struct cmdq_pkt;
 
 struct cmdq_client_reg {
-- 
2.18.0