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path: root/drivers/soundwire/qcom.c
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Diffstat (limited to 'drivers/soundwire/qcom.c')
-rw-r--r--drivers/soundwire/qcom.c25
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
index cee2b2223141..335424870290 100644
--- a/drivers/soundwire/qcom.c
+++ b/drivers/soundwire/qcom.c
@@ -25,6 +25,8 @@
#define SWRM_COMP_SW_RESET 0x008
#define SWRM_COMP_STATUS 0x014
+#define SWRM_LINK_MANAGER_EE 0x018
+#define SWRM_EE_CPU 1
#define SWRM_FRM_GEN_ENABLED BIT(0)
#define SWRM_COMP_HW_VERSION 0x00
#define SWRM_COMP_CFG_ADDR 0x04
@@ -104,7 +106,6 @@
#define SWRM_REG_VAL_PACK(data, dev, id, reg) \
((reg) | ((id) << 16) | ((dev) << 20) | ((data) << 24))
-#define SWRM_SPECIAL_CMD_ID 0xF
#define MAX_FREQ_NUM 1
#define TIMEOUT_MS 100
#define QCOM_SWRM_MAX_RD_LEN 0x1
@@ -694,7 +695,14 @@ 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);
- ctrl->reg_write(ctrl, SWRM_MCP_BUS_CTRL, SWRM_MCP_BUS_CLK_START);
+ if (ctrl->version >= 0x01070000) {
+ 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);
+ } else {
+ ctrl->reg_write(ctrl, SWRM_MCP_BUS_CTRL, SWRM_MCP_BUS_CLK_START);
+ }
+
/* Configure number of retries of a read/write cmd */
if (ctrl->version > 0x01050001) {
/* Only for versions >= 1.5.1 */
@@ -1331,8 +1339,8 @@ static int qcom_swrm_probe(struct platform_device *pdev)
}
if (data->sw_clk_gate_required) {
- ctrl->audio_cgcr = devm_reset_control_get_exclusive(dev, "swr_audio_cgcr");
- if (IS_ERR_OR_NULL(ctrl->audio_cgcr)) {
+ ctrl->audio_cgcr = devm_reset_control_get_optional_exclusive(dev, "swr_audio_cgcr");
+ if (IS_ERR(ctrl->audio_cgcr)) {
dev_err(dev, "Failed to get cgcr reset ctrl required for SW gating\n");
ret = PTR_ERR(ctrl->audio_cgcr);
goto err_init;
@@ -1519,7 +1527,13 @@ static int __maybe_unused swrm_runtime_resume(struct device *dev)
} else {
reset_control_reset(ctrl->audio_cgcr);
- ctrl->reg_write(ctrl, SWRM_MCP_BUS_CTRL, SWRM_MCP_BUS_CLK_START);
+ if (ctrl->version >= 0x01070000) {
+ 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);
+ } else {
+ ctrl->reg_write(ctrl, SWRM_MCP_BUS_CTRL, SWRM_MCP_BUS_CLK_START);
+ }
ctrl->reg_write(ctrl, SWRM_INTERRUPT_CLEAR,
SWRM_INTERRUPT_STATUS_MASTER_CLASH_DET);
@@ -1583,6 +1597,7 @@ static const struct of_device_id qcom_swrm_of_match[] = {
{ .compatible = "qcom,soundwire-v1.3.0", .data = &swrm_v1_3_data },
{ .compatible = "qcom,soundwire-v1.5.1", .data = &swrm_v1_5_data },
{ .compatible = "qcom,soundwire-v1.6.0", .data = &swrm_v1_6_data },
+ { .compatible = "qcom,soundwire-v1.7.0", .data = &swrm_v1_5_data },
{/* sentinel */},
};