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@xxxxxxxxxx>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
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);
