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authorDennis YC Hsieh <dennis-yc.hsieh@mediatek.com>2020-06-21 17:18:26 +0300
committerMatthias Brugger <matthias.bgg@gmail.com>2020-06-22 14:03:05 +0300
commit613c2e2c7e69e574411e2a3609459e18e91ae3fb (patch)
treed0500800db114b60163f9de2c23ca44194392100 /drivers/soc/mediatek/mtk-cmdq-helper.c
parentb3a9e3b9622ae10064826dccb4f7a52bd88c7407 (diff)
downloadlinux-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.c24
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} };