diff options
| author | Jason-JH.Lin <jason-jh.lin@mediatek.com> | 2024-03-07 09:34:55 +0800 |
|---|---|---|
| committer | AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> | 2024-04-23 12:16:55 +0200 |
| commit | 49ddaa495f8b60c8c4022ebe540024dd870e4dd1 (patch) | |
| tree | 15110c3c08e83d97cbdbedd619399938d866bb96 | |
| parent | b81b2d5534fc72f70d808c72b19f0e3f9df32a90 (diff) | |
soc: mediatek: mtk-cmdq: Add specific purpose register definitions for GCE
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>
| -rw-r--r-- | include/linux/soc/mediatek/mtk-cmdq.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h index e5335fb22a3b..042c61f29dc1 100644 --- a/include/linux/soc/mediatek/mtk-cmdq.h +++ b/include/linux/soc/mediatek/mtk-cmdq.h @@ -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 { |