diff options
| author | Dennis YC Hsieh <dennis-yc.hsieh@mediatek.com> | 2020-06-21 17:18:26 +0300 |
|---|---|---|
| committer | Matthias Brugger <matthias.bgg@gmail.com> | 2020-06-22 14:03:05 +0300 |
| commit | 613c2e2c7e69e574411e2a3609459e18e91ae3fb (patch) | |
| tree | d0500800db114b60163f9de2c23ca44194392100 /drivers/soc/mediatek/mtk-cmdq-helper.c | |
| parent | b3a9e3b9622ae10064826dccb4f7a52bd88c7407 (diff) | |
| download | linux-613c2e2c7e69e574411e2a3609459e18e91ae3fb.tar.xz | |
soc: mediatek: cmdq: add assign function
Add assign function in cmdq helper which assign constant value into
internal register by index.
Signed-off-by: Dennis YC Hsieh <dennis-yc.hsieh@mediatek.com>
Link: https://lore.kernel.org/r/1592749115-24158-3-git-send-email-dennis-yc.hsieh@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Diffstat (limited to 'drivers/soc/mediatek/mtk-cmdq-helper.c')
| -rw-r--r-- | drivers/soc/mediatek/mtk-cmdq-helper.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c index 87ee9f767b7a..b9e5e4eea876 100644 --- a/drivers/soc/mediatek/mtk-cmdq-helper.c +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c @@ -12,6 +12,7 @@ #define CMDQ_WRITE_ENABLE_MASK BIT(0) #define CMDQ_POLL_ENABLE_MASK BIT(0) #define CMDQ_EOC_IRQ_EN BIT(0) +#define CMDQ_REG_TYPE 1 struct cmdq_instruction { union { @@ -21,8 +22,17 @@ struct cmdq_instruction { union { u16 offset; u16 event; + u16 reg_dst; + }; + union { + u8 subsys; + struct { + u8 sop:5; + u8 arg_c_t:1; + u8 src_t:1; + u8 dst_t:1; + }; }; - u8 subsys; u8 op; }; @@ -278,6 +288,18 @@ int cmdq_pkt_poll_mask(struct cmdq_pkt *pkt, u8 subsys, } EXPORT_SYMBOL(cmdq_pkt_poll_mask); +int cmdq_pkt_assign(struct cmdq_pkt *pkt, u16 reg_idx, u32 value) +{ + struct cmdq_instruction inst = {}; + + inst.op = CMDQ_CODE_LOGIC; + inst.dst_t = CMDQ_REG_TYPE; + inst.reg_dst = reg_idx; + inst.value = value; + return cmdq_pkt_append_command(pkt, inst); +} +EXPORT_SYMBOL(cmdq_pkt_assign); + static int cmdq_pkt_finalize(struct cmdq_pkt *pkt) { struct cmdq_instruction inst = { {0} }; |