diff mbox series

[v4,3/9] soundwire: qcom: set continue execution flag for ignored commands

Message ID 20210312120009.22386-4-srinivas.kandagatla@linaro.org
State Superseded
Headers show
Series soundwire: qcom: various improvements | expand

Commit Message

Srinivas Kandagatla March 12, 2021, noon UTC 
version 1.5.1 and higher IPs of this controller required to set
continue execution on ignored command flag. This patch sets this flag.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

---
 drivers/soundwire/qcom.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

-- 
2.21.0
diff mbox series

Patch

diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
index d05e41f68658..43ec22a5e332 100644
--- a/drivers/soundwire/qcom.c
+++ b/drivers/soundwire/qcom.c
@@ -40,6 +40,7 @@ 
 #define SWRM_CMD_FIFO_CMD					0x308
 #define SWRM_CMD_FIFO_STATUS					0x30C
 #define SWRM_CMD_FIFO_CFG_ADDR					0x314
+#define SWRM_CONTINUE_EXEC_ON_CMD_IGNORE			BIT(31)
 #define SWRM_RD_WR_CMD_RETRIES					0x7
 #define SWRM_CMD_FIFO_RD_FIFO_ADDR				0x318
 #define SWRM_ENUMERATOR_CFG_ADDR				0x500
@@ -343,7 +344,15 @@  static int qcom_swrm_init(struct qcom_swrm_ctrl *ctrl)
 	ctrl->reg_write(ctrl, SWRM_MCP_CFG_ADDR, val);
 
 	/* Configure number of retries of a read/write cmd */
-	ctrl->reg_write(ctrl, SWRM_CMD_FIFO_CFG_ADDR, SWRM_RD_WR_CMD_RETRIES);
+	if (ctrl->version > 0x01050001) {
+		/* Only for versions >= 1.5.1 */
+		ctrl->reg_write(ctrl, SWRM_CMD_FIFO_CFG_ADDR,
+				SWRM_RD_WR_CMD_RETRIES |
+				SWRM_CONTINUE_EXEC_ON_CMD_IGNORE);
+	} else {
+		ctrl->reg_write(ctrl, SWRM_CMD_FIFO_CFG_ADDR,
+				SWRM_RD_WR_CMD_RETRIES);
+	}
 
 	/* Set IRQ to PULSE */
 	ctrl->reg_write(ctrl, SWRM_COMP_CFG_ADDR,