mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-28 21:33:52 +00:00
Code Issues Releases Wiki Activity

soundwire: intel: add bus management callbacks in hw_ops

Browse source 
No functionality change, only add indirection for bus management
helpers.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20221111013135.38289-5-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Pierre-Louis Bossart 2022-11-11 09:31:31 +08:00 committed by Vinod Koul
parent b6234bcc65
commit 3db0c5a6a2
3 changed files with 60 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
drivers/soundwire/intel.c
View file

@ -1428,6 +1428,12 @@ const struct sdw_intel_hw_ops sdw_intel_cnl_hw_ops = {
.register_dai = intel_register_dai,
.check_clock_stop = intel_check_clock_stop,
.start_bus = intel_start_bus,
.start_bus_after_reset = intel_start_bus_after_reset,
.start_bus_after_clock_stop = intel_start_bus_after_clock_stop,
.stop_bus = intel_stop_bus,
.pre_bank_switch = intel_pre_bank_switch,
.post_bank_switch = intel_post_bank_switch,
};
@ -1622,7 +1628,7 @@ int intel_link_startup(struct auxiliary_device *auxdev)
sdw_intel_debugfs_init(sdw);
/* start bus */
ret = intel_start_bus(sdw);
ret = sdw_intel_start_bus(sdw);
if (ret) {
dev_err(dev, "bus start failed: %d\n", ret);
goto err_power_up;
@ -1850,7 +1856,7 @@ static int __maybe_unused intel_suspend(struct device *dev)
return 0;
}
ret = intel_stop_bus(sdw, false);
ret = sdw_intel_stop_bus(sdw, false);
if (ret < 0) {
dev_err(dev, "%s: cannot stop bus: %d\n", __func__, ret);
return ret;
@ -1876,14 +1882,14 @@ static int __maybe_unused intel_suspend_runtime(struct device *dev)
clock_stop_quirks = sdw->link_res->clock_stop_quirks;
if (clock_stop_quirks & SDW_INTEL_CLK_STOP_TEARDOWN) {
ret = intel_stop_bus(sdw, false);
ret = sdw_intel_stop_bus(sdw, false);
if (ret < 0) {
dev_err(dev, "%s: cannot stop bus during teardown: %d\n",
__func__, ret);
return ret;
}
} else if (clock_stop_quirks & SDW_INTEL_CLK_STOP_BUS_RESET || !clock_stop_quirks) {
ret = intel_stop_bus(sdw, true);
ret = sdw_intel_stop_bus(sdw, true);
if (ret < 0) {
dev_err(dev, "%s: cannot stop bus during clock_stop: %d\n",
__func__, ret);
@ -1941,7 +1947,7 @@ static int __maybe_unused intel_resume(struct device *dev)
*/
sdw_clear_slave_status(bus, SDW_UNATTACH_REQUEST_MASTER_RESET);
ret = intel_start_bus(sdw);
ret = sdw_intel_start_bus(sdw);
if (ret < 0) {
dev_err(dev, "cannot start bus during resume\n");
intel_link_power_down(sdw);
@ -1995,7 +2001,7 @@ static int __maybe_unused intel_resume_runtime(struct device *dev)
*/
sdw_clear_slave_status(bus, SDW_UNATTACH_REQUEST_MASTER_RESET);
ret = intel_start_bus(sdw);
ret = sdw_intel_start_bus(sdw);
if (ret < 0) {
dev_err(dev, "%s: cannot start bus after teardown: %d\n", __func__, ret);
intel_link_power_down(sdw);
@ -2010,7 +2016,7 @@ static int __maybe_unused intel_resume_runtime(struct device *dev)
return ret;
}
ret = intel_start_bus_after_reset(sdw);
ret = sdw_intel_start_bus_after_reset(sdw);
if (ret < 0) {
dev_err(dev, "%s: cannot start bus after reset: %d\n", __func__, ret);
intel_link_power_down(sdw);
@ -2018,7 +2024,7 @@ static int __maybe_unused intel_resume_runtime(struct device *dev)
}
} else if (!clock_stop_quirks) {
intel_check_clock_stop(sdw);
sdw_intel_check_clock_stop(sdw);
ret = intel_link_power_up(sdw);
if (ret) {
@ -2026,7 +2032,7 @@ static int __maybe_unused intel_resume_runtime(struct device *dev)
return ret;
}
ret = intel_start_bus_after_clock_stop(sdw);
ret = sdw_intel_start_bus_after_clock_stop(sdw);
if (ret < 0) {
dev_err(dev, "%s: cannot start bus after clock stop: %d\n", __func__, ret);
intel_link_power_down(sdw);

34
drivers/soundwire/intel.h
View file

@ -84,4 +84,38 @@ static inline int sdw_intel_register_dai(struct sdw_intel *sdw)
return -ENOTSUPP;
}
static inline void sdw_intel_check_clock_stop(struct sdw_intel *sdw)
{
if (SDW_INTEL_CHECK_OPS(sdw, check_clock_stop))
SDW_INTEL_OPS(sdw, check_clock_stop)(sdw);
}
static inline int sdw_intel_start_bus(struct sdw_intel *sdw)
{
if (SDW_INTEL_CHECK_OPS(sdw, start_bus))
return SDW_INTEL_OPS(sdw, start_bus)(sdw);
return -ENOTSUPP;
}
static inline int sdw_intel_start_bus_after_reset(struct sdw_intel *sdw)
{
if (SDW_INTEL_CHECK_OPS(sdw, start_bus_after_reset))
return SDW_INTEL_OPS(sdw, start_bus_after_reset)(sdw);
return -ENOTSUPP;
}
static inline int sdw_intel_start_bus_after_clock_stop(struct sdw_intel *sdw)
{
if (SDW_INTEL_CHECK_OPS(sdw, start_bus_after_clock_stop))
return SDW_INTEL_OPS(sdw, start_bus_after_clock_stop)(sdw);
return -ENOTSUPP;
}
static inline int sdw_intel_stop_bus(struct sdw_intel *sdw, bool clock_stop)
{
if (SDW_INTEL_CHECK_OPS(sdw, stop_bus))
return SDW_INTEL_OPS(sdw, stop_bus)(sdw, clock_stop);
return -ENOTSUPP;
}
#endif /* __SDW_INTEL_LOCAL_H */

11
include/linux/soundwire/sdw_intel.h
View file

@ -300,6 +300,11 @@ struct sdw_intel;
* @debugfs_init: initialize all debugfs capabilities
* @debugfs_exit: close and cleanup debugfs capabilities
* @register_dai: read all PDI information and register DAIs
* @check_clock_stop: throw error message if clock is not stopped.
* @start_bus: normal start
* @start_bus_after_reset: start after reset
* @start_bus_after_clock_stop: start after mode0 clock stop
* @stop_bus: stop all bus
* @pre_bank_switch: helper for bus management
* @post_bank_switch: helper for bus management
*/
@ -309,6 +314,12 @@ struct sdw_intel_hw_ops {
int (*register_dai)(struct sdw_intel *sdw);
void (*check_clock_stop)(struct sdw_intel *sdw);
int (*start_bus)(struct sdw_intel *sdw);
int (*start_bus_after_reset)(struct sdw_intel *sdw);
int (*start_bus_after_clock_stop)(struct sdw_intel *sdw);
int (*stop_bus)(struct sdw_intel *sdw, bool clock_stop);
int (*pre_bank_switch)(struct sdw_intel *sdw);
int (*post_bank_switch)(struct sdw_intel *sdw);
};