diff options
| author | Dennis YC Hsieh <dennis-yc.hsieh@mediatek.com> | 2020-07-07 18:45:07 +0300 |
|---|---|---|
| committer | Matthias Brugger <matthias.bgg@gmail.com> | 2020-09-25 18:27:31 +0300 |
| commit | 5f6e560c2dd5be3ae446f20ae97263cbfa309630 (patch) | |
| tree | 7d078fbef416f2bafef31df7d492fcabf3254fba /drivers/soc/mediatek | |
| parent | 2b8cf38343b378ed3717822c46f69cdee607055f (diff) | |
| download | linux-5f6e560c2dd5be3ae446f20ae97263cbfa309630.tar.xz | |
soc: mediatek: cmdq: add write_s function
add write_s function in cmdq helper functions which
writes value contains in internal register to address
with large dma access support.
Signed-off-by: Dennis YC Hsieh <dennis-yc.hsieh@mediatek.com>
Link: https://lore.kernel.org/r/1594136714-11650-3-git-send-email-dennis-yc.hsieh@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Diffstat (limited to 'drivers/soc/mediatek')
| -rw-r--r-- | drivers/soc/mediatek/mtk-cmdq-helper.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c index 9faf78fbed3a..880349b3f16c 100644 --- a/drivers/soc/mediatek/mtk-cmdq-helper.c +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c @@ -18,6 +18,10 @@ struct cmdq_instruction { union { u32 value; u32 mask; + struct { + u16 arg_c; + u16 src_reg; + }; }; union { u16 offset; @@ -223,6 +227,21 @@ int cmdq_pkt_write_mask(struct cmdq_pkt *pkt, u8 subsys, } EXPORT_SYMBOL(cmdq_pkt_write_mask); +int cmdq_pkt_write_s(struct cmdq_pkt *pkt, u16 high_addr_reg_idx, + u16 addr_low, u16 src_reg_idx) +{ + struct cmdq_instruction inst = {}; + + inst.op = CMDQ_CODE_WRITE_S; + inst.src_t = CMDQ_REG_TYPE; + inst.sop = high_addr_reg_idx; + inst.offset = addr_low; + inst.src_reg = src_reg_idx; + + return cmdq_pkt_append_command(pkt, inst); +} +EXPORT_SYMBOL(cmdq_pkt_write_s); + int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event) { struct cmdq_instruction inst = { {0} }; |