diff mbox series

[1/2] soundwire: qcom: define hardcoded version magic numbers

Message ID 20230222144412.237832-1-krzysztof.kozlowski@linaro.org (mailing list archive)
State New, archived
Headers show
Series [1/2] soundwire: qcom: define hardcoded version magic numbers | expand

Commit Message

Krzysztof Kozlowski Feb. 22, 2023, 2:44 p.m. UTC
Use a define instead of hard-coded register values for Soundwire
hardware version number, because it is a bit easier to read and allows
to drop explaining comment.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 drivers/soundwire/qcom.c | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

Comments

Konrad Dybcio Feb. 22, 2023, 2:45 p.m. UTC | #1
On 22.02.2023 15:44, Krzysztof Kozlowski wrote:
> Use a define instead of hard-coded register values for Soundwire
> hardware version number, because it is a bit easier to read and allows
> to drop explaining comment.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>

Konrad
>  drivers/soundwire/qcom.c | 17 +++++++++--------
>  1 file changed, 9 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
> index ba502129150d..79bebcecde6d 100644
> --- a/drivers/soundwire/qcom.c
> +++ b/drivers/soundwire/qcom.c
> @@ -28,6 +28,9 @@
>  #define SWRM_LINK_MANAGER_EE					0x018
>  #define SWRM_EE_CPU						1
>  #define SWRM_FRM_GEN_ENABLED					BIT(0)
> +#define SWRM_VERSION_1_3_0					0x01030000
> +#define SWRM_VERSION_1_5_1					0x01050001
> +#define SWRM_VERSION_1_7_0					0x01070000
>  #define SWRM_COMP_HW_VERSION					0x00
>  #define SWRM_COMP_CFG_ADDR					0x04
>  #define SWRM_COMP_CFG_IRQ_LEVEL_OR_PULSE_MSK			BIT(1)
> @@ -351,8 +354,7 @@ static int qcom_swrm_cmd_fifo_wr_cmd(struct qcom_swrm_ctrl *swrm, u8 cmd_data,
>  	/* Its assumed that write is okay as we do not get any status back */
>  	swrm->reg_write(swrm, SWRM_CMD_FIFO_WR_CMD, val);
>  
> -	/* version 1.3 or less */
> -	if (swrm->version <= 0x01030000)
> +	if (swrm->version <= SWRM_VERSION_1_3_0)
>  		usleep_range(150, 155);
>  
>  	if (cmd_id == SWR_BROADCAST_CMD_ID) {
> @@ -695,7 +697,7 @@ static int qcom_swrm_init(struct qcom_swrm_ctrl *ctrl)
>  	u32p_replace_bits(&val, SWRM_DEF_CMD_NO_PINGS, SWRM_MCP_CFG_MAX_NUM_OF_CMD_NO_PINGS_BMSK);
>  	ctrl->reg_write(ctrl, SWRM_MCP_CFG_ADDR, val);
>  
> -	if (ctrl->version >= 0x01070000) {
> +	if (ctrl->version >= SWRM_VERSION_1_7_0) {
>  		ctrl->reg_write(ctrl, SWRM_LINK_MANAGER_EE, SWRM_EE_CPU);
>  		ctrl->reg_write(ctrl, SWRM_MCP_BUS_CTRL,
>  				SWRM_MCP_BUS_CLK_START << SWRM_EE_CPU);
> @@ -704,8 +706,7 @@ static int qcom_swrm_init(struct qcom_swrm_ctrl *ctrl)
>  	}
>  
>  	/* Configure number of retries of a read/write cmd */
> -	if (ctrl->version >= 0x01050001) {
> -		/* Only for versions >= 1.5.1 */
> +	if (ctrl->version >= SWRM_VERSION_1_5_1) {
>  		ctrl->reg_write(ctrl, SWRM_CMD_FIFO_CFG_ADDR,
>  				SWRM_RD_WR_CMD_RETRIES |
>  				SWRM_CONTINUE_EXEC_ON_CMD_IGNORE);
> @@ -1239,7 +1240,7 @@ static int qcom_swrm_get_port_config(struct qcom_swrm_ctrl *ctrl)
>  	ret = of_property_read_u8_array(np, "qcom,ports-block-pack-mode",
>  					bp_mode, nports);
>  	if (ret) {
> -		if (ctrl->version <= 0x01030000)
> +		if (ctrl->version <= SWRM_VERSION_1_3_0)
>  			memset(bp_mode, SWR_INVALID_PARAM, QCOM_SDW_MAX_PORTS);
>  		else
>  			return ret;
> @@ -1442,7 +1443,7 @@ static int qcom_swrm_probe(struct platform_device *pdev)
>  	pm_runtime_enable(dev);
>  
>  	/* Clk stop is not supported on WSA Soundwire masters */
> -	if (ctrl->version <= 0x01030000) {
> +	if (ctrl->version <= SWRM_VERSION_1_3_0) {
>  		ctrl->clock_stop_not_supported = true;
>  	} else {
>  		ctrl->reg_read(ctrl, SWRM_COMP_MASTER_ID, &val);
> @@ -1527,7 +1528,7 @@ static int __maybe_unused swrm_runtime_resume(struct device *dev)
>  	} else {
>  		reset_control_reset(ctrl->audio_cgcr);
>  
> -		if (ctrl->version >= 0x01070000) {
> +		if (ctrl->version >= SWRM_VERSION_1_7_0) {
>  			ctrl->reg_write(ctrl, SWRM_LINK_MANAGER_EE, SWRM_EE_CPU);
>  			ctrl->reg_write(ctrl, SWRM_MCP_BUS_CTRL,
>  					SWRM_MCP_BUS_CLK_START << SWRM_EE_CPU);
Srinivas Kandagatla March 15, 2023, 1:55 p.m. UTC | #2
On 22/02/2023 14:44, Krzysztof Kozlowski wrote:
> Use a define instead of hard-coded register values for Soundwire
> hardware version number, because it is a bit easier to read and allows
> to drop explaining comment.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> ---

Thanks Krzysztof,

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


--srini

>   drivers/soundwire/qcom.c | 17 +++++++++--------
>   1 file changed, 9 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
> index ba502129150d..79bebcecde6d 100644
> --- a/drivers/soundwire/qcom.c
> +++ b/drivers/soundwire/qcom.c
> @@ -28,6 +28,9 @@
>   #define SWRM_LINK_MANAGER_EE					0x018
>   #define SWRM_EE_CPU						1
>   #define SWRM_FRM_GEN_ENABLED					BIT(0)
> +#define SWRM_VERSION_1_3_0					0x01030000
> +#define SWRM_VERSION_1_5_1					0x01050001
> +#define SWRM_VERSION_1_7_0					0x01070000
>   #define SWRM_COMP_HW_VERSION					0x00
>   #define SWRM_COMP_CFG_ADDR					0x04
>   #define SWRM_COMP_CFG_IRQ_LEVEL_OR_PULSE_MSK			BIT(1)
> @@ -351,8 +354,7 @@ static int qcom_swrm_cmd_fifo_wr_cmd(struct qcom_swrm_ctrl *swrm, u8 cmd_data,
>   	/* Its assumed that write is okay as we do not get any status back */
>   	swrm->reg_write(swrm, SWRM_CMD_FIFO_WR_CMD, val);
>   
> -	/* version 1.3 or less */
> -	if (swrm->version <= 0x01030000)
> +	if (swrm->version <= SWRM_VERSION_1_3_0)
>   		usleep_range(150, 155);
>   
>   	if (cmd_id == SWR_BROADCAST_CMD_ID) {
> @@ -695,7 +697,7 @@ static int qcom_swrm_init(struct qcom_swrm_ctrl *ctrl)
>   	u32p_replace_bits(&val, SWRM_DEF_CMD_NO_PINGS, SWRM_MCP_CFG_MAX_NUM_OF_CMD_NO_PINGS_BMSK);
>   	ctrl->reg_write(ctrl, SWRM_MCP_CFG_ADDR, val);
>   
> -	if (ctrl->version >= 0x01070000) {
> +	if (ctrl->version >= SWRM_VERSION_1_7_0) {
>   		ctrl->reg_write(ctrl, SWRM_LINK_MANAGER_EE, SWRM_EE_CPU);
>   		ctrl->reg_write(ctrl, SWRM_MCP_BUS_CTRL,
>   				SWRM_MCP_BUS_CLK_START << SWRM_EE_CPU);
> @@ -704,8 +706,7 @@ static int qcom_swrm_init(struct qcom_swrm_ctrl *ctrl)
>   	}
>   
>   	/* Configure number of retries of a read/write cmd */
> -	if (ctrl->version >= 0x01050001) {
> -		/* Only for versions >= 1.5.1 */
> +	if (ctrl->version >= SWRM_VERSION_1_5_1) {
>   		ctrl->reg_write(ctrl, SWRM_CMD_FIFO_CFG_ADDR,
>   				SWRM_RD_WR_CMD_RETRIES |
>   				SWRM_CONTINUE_EXEC_ON_CMD_IGNORE);
> @@ -1239,7 +1240,7 @@ static int qcom_swrm_get_port_config(struct qcom_swrm_ctrl *ctrl)
>   	ret = of_property_read_u8_array(np, "qcom,ports-block-pack-mode",
>   					bp_mode, nports);
>   	if (ret) {
> -		if (ctrl->version <= 0x01030000)
> +		if (ctrl->version <= SWRM_VERSION_1_3_0)
>   			memset(bp_mode, SWR_INVALID_PARAM, QCOM_SDW_MAX_PORTS);
>   		else
>   			return ret;
> @@ -1442,7 +1443,7 @@ static int qcom_swrm_probe(struct platform_device *pdev)
>   	pm_runtime_enable(dev);
>   
>   	/* Clk stop is not supported on WSA Soundwire masters */
> -	if (ctrl->version <= 0x01030000) {
> +	if (ctrl->version <= SWRM_VERSION_1_3_0) {
>   		ctrl->clock_stop_not_supported = true;
>   	} else {
>   		ctrl->reg_read(ctrl, SWRM_COMP_MASTER_ID, &val);
> @@ -1527,7 +1528,7 @@ static int __maybe_unused swrm_runtime_resume(struct device *dev)
>   	} else {
>   		reset_control_reset(ctrl->audio_cgcr);
>   
> -		if (ctrl->version >= 0x01070000) {
> +		if (ctrl->version >= SWRM_VERSION_1_7_0) {
>   			ctrl->reg_write(ctrl, SWRM_LINK_MANAGER_EE, SWRM_EE_CPU);
>   			ctrl->reg_write(ctrl, SWRM_MCP_BUS_CTRL,
>   					SWRM_MCP_BUS_CLK_START << SWRM_EE_CPU);
Vinod Koul March 15, 2023, 2:13 p.m. UTC | #3
On 22-02-23, 15:44, Krzysztof Kozlowski wrote:
> Use a define instead of hard-coded register values for Soundwire
> hardware version number, because it is a bit easier to read and allows
> to drop explaining comment.

Applied both, thanks
diff mbox series

Patch

diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
index ba502129150d..79bebcecde6d 100644
--- a/drivers/soundwire/qcom.c
+++ b/drivers/soundwire/qcom.c
@@ -28,6 +28,9 @@ 
 #define SWRM_LINK_MANAGER_EE					0x018
 #define SWRM_EE_CPU						1
 #define SWRM_FRM_GEN_ENABLED					BIT(0)
+#define SWRM_VERSION_1_3_0					0x01030000
+#define SWRM_VERSION_1_5_1					0x01050001
+#define SWRM_VERSION_1_7_0					0x01070000
 #define SWRM_COMP_HW_VERSION					0x00
 #define SWRM_COMP_CFG_ADDR					0x04
 #define SWRM_COMP_CFG_IRQ_LEVEL_OR_PULSE_MSK			BIT(1)
@@ -351,8 +354,7 @@  static int qcom_swrm_cmd_fifo_wr_cmd(struct qcom_swrm_ctrl *swrm, u8 cmd_data,
 	/* Its assumed that write is okay as we do not get any status back */
 	swrm->reg_write(swrm, SWRM_CMD_FIFO_WR_CMD, val);
 
-	/* version 1.3 or less */
-	if (swrm->version <= 0x01030000)
+	if (swrm->version <= SWRM_VERSION_1_3_0)
 		usleep_range(150, 155);
 
 	if (cmd_id == SWR_BROADCAST_CMD_ID) {
@@ -695,7 +697,7 @@  static int qcom_swrm_init(struct qcom_swrm_ctrl *ctrl)
 	u32p_replace_bits(&val, SWRM_DEF_CMD_NO_PINGS, SWRM_MCP_CFG_MAX_NUM_OF_CMD_NO_PINGS_BMSK);
 	ctrl->reg_write(ctrl, SWRM_MCP_CFG_ADDR, val);
 
-	if (ctrl->version >= 0x01070000) {
+	if (ctrl->version >= SWRM_VERSION_1_7_0) {
 		ctrl->reg_write(ctrl, SWRM_LINK_MANAGER_EE, SWRM_EE_CPU);
 		ctrl->reg_write(ctrl, SWRM_MCP_BUS_CTRL,
 				SWRM_MCP_BUS_CLK_START << SWRM_EE_CPU);
@@ -704,8 +706,7 @@  static int qcom_swrm_init(struct qcom_swrm_ctrl *ctrl)
 	}
 
 	/* Configure number of retries of a read/write cmd */
-	if (ctrl->version >= 0x01050001) {
-		/* Only for versions >= 1.5.1 */
+	if (ctrl->version >= SWRM_VERSION_1_5_1) {
 		ctrl->reg_write(ctrl, SWRM_CMD_FIFO_CFG_ADDR,
 				SWRM_RD_WR_CMD_RETRIES |
 				SWRM_CONTINUE_EXEC_ON_CMD_IGNORE);
@@ -1239,7 +1240,7 @@  static int qcom_swrm_get_port_config(struct qcom_swrm_ctrl *ctrl)
 	ret = of_property_read_u8_array(np, "qcom,ports-block-pack-mode",
 					bp_mode, nports);
 	if (ret) {
-		if (ctrl->version <= 0x01030000)
+		if (ctrl->version <= SWRM_VERSION_1_3_0)
 			memset(bp_mode, SWR_INVALID_PARAM, QCOM_SDW_MAX_PORTS);
 		else
 			return ret;
@@ -1442,7 +1443,7 @@  static int qcom_swrm_probe(struct platform_device *pdev)
 	pm_runtime_enable(dev);
 
 	/* Clk stop is not supported on WSA Soundwire masters */
-	if (ctrl->version <= 0x01030000) {
+	if (ctrl->version <= SWRM_VERSION_1_3_0) {
 		ctrl->clock_stop_not_supported = true;
 	} else {
 		ctrl->reg_read(ctrl, SWRM_COMP_MASTER_ID, &val);
@@ -1527,7 +1528,7 @@  static int __maybe_unused swrm_runtime_resume(struct device *dev)
 	} else {
 		reset_control_reset(ctrl->audio_cgcr);
 
-		if (ctrl->version >= 0x01070000) {
+		if (ctrl->version >= SWRM_VERSION_1_7_0) {
 			ctrl->reg_write(ctrl, SWRM_LINK_MANAGER_EE, SWRM_EE_CPU);
 			ctrl->reg_write(ctrl, SWRM_MCP_BUS_CTRL,
 					SWRM_MCP_BUS_CLK_START << SWRM_EE_CPU);