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soundwire: qcom: add support for v1.7 Soundwire Controller

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This patch add support for v1.7 SoundWire Controller which has
support for Multi-EE (Execution Environment), resulting in a
new register and extending field in BUS_CTRL register.

With these updates v1.7.0 is fully supported.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20221026110210.6575-7-srinivas.kandagatla@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Srinivas Kandagatla 2022-10-26 12:02:10 +01:00 committed by Vinod Koul
parent df73f66c7d
commit cf43cd33b6
1 changed files with 18 additions and 2 deletions
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20
drivers/soundwire/qcom.c
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@ -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
@ -684,7 +686,14 @@ 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 */
@ -1509,7 +1518,13 @@ 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);
@ -1573,6 +1588,7 @@ 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 */},
};