diff options
Diffstat (limited to 'drivers/soc/mediatek/mtk-cmdq-helper.c')
| -rw-r--r-- | drivers/soc/mediatek/mtk-cmdq-helper.c | 46 |
1 files changed, 40 insertions, 6 deletions
diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c index 87ee9f767b7a..dc644cfb6419 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; }; @@ -243,6 +253,21 @@ int cmdq_pkt_clear_event(struct cmdq_pkt *pkt, u16 event) } EXPORT_SYMBOL(cmdq_pkt_clear_event); +int cmdq_pkt_set_event(struct cmdq_pkt *pkt, u16 event) +{ + struct cmdq_instruction inst = {}; + + if (event >= CMDQ_MAX_EVENT) + return -EINVAL; + + inst.op = CMDQ_CODE_WFE; + inst.value = CMDQ_WFE_UPDATE | CMDQ_WFE_UPDATE_VALUE; + inst.event = event; + + return cmdq_pkt_append_command(pkt, inst); +} +EXPORT_SYMBOL(cmdq_pkt_set_event); + int cmdq_pkt_poll(struct cmdq_pkt *pkt, u8 subsys, u16 offset, u32 value) { @@ -278,7 +303,19 @@ int cmdq_pkt_poll_mask(struct cmdq_pkt *pkt, u8 subsys, } EXPORT_SYMBOL(cmdq_pkt_poll_mask); -static int cmdq_pkt_finalize(struct cmdq_pkt *pkt) +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); + +int cmdq_pkt_finalize(struct cmdq_pkt *pkt) { struct cmdq_instruction inst = { {0} }; int err; @@ -297,6 +334,7 @@ static int cmdq_pkt_finalize(struct cmdq_pkt *pkt) return err; } +EXPORT_SYMBOL(cmdq_pkt_finalize); static void cmdq_pkt_flush_async_cb(struct cmdq_cb_data data) { @@ -331,10 +369,6 @@ int cmdq_pkt_flush_async(struct cmdq_pkt *pkt, cmdq_async_flush_cb cb, unsigned long flags = 0; struct cmdq_client *client = (struct cmdq_client *)pkt->cl; - err = cmdq_pkt_finalize(pkt); - if (err < 0) - return err; - pkt->cb.cb = cb; pkt->cb.data = data; pkt->async_cb.cb = cmdq_pkt_flush_async_cb; |