From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
To: vkoul@kernel.org
Cc: yung-chuan.liao@linux.intel.com,
pierre-louis.bossart@linux.intel.com, sanyog.r.kale@intel.com,
linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org,
Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Subject: [PATCH v3 3/9] soundwire: qcom: set continue execution flag for ignored commands
Date: Mon, 8 Mar 2021 13:49:51 +0000 [thread overview]
Message-ID: <20210308134957.16024-4-srinivas.kandagatla@linaro.org> (raw)
In-Reply-To: <20210308134957.16024-1-srinivas.kandagatla@linaro.org>
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(-)
diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
index 6c7b811eea94..076a2b1b6d6d 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,
--
2.21.0
next prev parent reply other threads:[~2021-03-08 13:51 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-08 13:49 [PATCH v3 0/9] soundwire: qcom: various improvements Srinivas Kandagatla
2021-03-08 13:49 ` [PATCH v3 1/9] dt-bindings: soundwire: qcom: clarify data port bus parameters Srinivas Kandagatla
2021-03-08 13:49 ` [PATCH v3 2/9] soundwire: qcom: add support to missing transport params Srinivas Kandagatla
2021-03-08 13:49 ` Srinivas Kandagatla [this message]
2021-03-08 13:49 ` [PATCH v3 4/9] soundwire: qcom: start the clock during initialization Srinivas Kandagatla
2021-03-08 13:49 ` [PATCH v3 5/9] soundwire: qcom: update register read/write routine Srinivas Kandagatla
2021-03-08 13:49 ` [PATCH v3 6/9] soundwire: qcom: add support to new interrupts Srinivas Kandagatla
2021-03-08 13:49 ` [PATCH v3 7/9] soundwire: export sdw_compare_devid() and sdw_extract_slave_id() Srinivas Kandagatla
2021-03-08 13:49 ` [PATCH v3 8/9] soundwire: qcom: add auto enumeration support Srinivas Kandagatla
2021-03-08 15:56 ` Pierre-Louis Bossart
2021-03-08 16:16 ` Srinivas Kandagatla
2021-03-08 13:49 ` [PATCH v3 9/9] soundwire: qcom: wait for enumeration to be complete in probe Srinivas Kandagatla
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