github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-26 08:02:27 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

soc: mediatek: mtk-cmdq: Add specific purpose register definitions for GCE

Browse Source 
Add specific purpose register definitions for GCE, so CMDQ users can
use them as a buffer to store data.

Signed-off-by: Jason-JH.Lin <jason-jh.lin@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20240307013458.23550-2-jason-jh.lin@mediatek.com
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
This commit is contained in:
Jason-JH.Lin 2024-03-07 09:34:55 +08:00 committed by AngeloGioacchino Del Regno
parent b81b2d5534
commit 49ddaa495f
No known key found for this signature in database
GPG Key ID: 9A3604CFAD978478
1 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
include/linux/soc/mediatek/mtk-cmdq.h
View File

@ -14,6 +14,15 @@
#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 * N (threads) 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 {