[PATCH v2 01/11] soc: mediatek: Add register definitions for GCE

From: Hsiao Chien Sung
Date: Mon Sep 18 2023 - 04:43:27 EST


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

Signed-off-by: Hsiao Chien Sung <shawn.sung@xxxxxxxxxxxx>
---
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