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soundwire: intel/cadence: expose PING status in manager ops 

Simple indirection to existing register.

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>
Acked-By: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20220714011043.46059-3-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Pierre-Louis Bossart 2022-07-14 09:10:41 +08:00 committed by Mark Brown
parent 874de45948
commit 133547a1ef
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
3 changed files with 11 additions and 0 deletions
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8
drivers/soundwire/cadence_master.c
View File

@ -756,6 +756,14 @@ cdns_reset_page_addr(struct sdw_bus *bus, unsigned int dev_num)
} }
EXPORT_SYMBOL(cdns_reset_page_addr); EXPORT_SYMBOL(cdns_reset_page_addr);
u32 cdns_read_ping_status(struct sdw_bus *bus)
{
struct sdw_cdns *cdns = bus_to_cdns(bus);
return cdns_readl(cdns, CDNS_MCP_SLAVE_STAT);
}
EXPORT_SYMBOL(cdns_read_ping_status);
/* /*
* IRQ handling * IRQ handling
*/ */

2
drivers/soundwire/cadence_master.h
View File

@ -177,6 +177,8 @@ enum sdw_command_response
cdns_xfer_msg_defer(struct sdw_bus *bus, cdns_xfer_msg_defer(struct sdw_bus *bus,
struct sdw_msg *msg, struct sdw_defer *defer); struct sdw_msg *msg, struct sdw_defer *defer);
u32 cdns_read_ping_status(struct sdw_bus *bus);
int cdns_bus_conf(struct sdw_bus *bus, struct sdw_bus_params *params); int cdns_bus_conf(struct sdw_bus *bus, struct sdw_bus_params *params);
int cdns_set_sdw_stream(struct snd_soc_dai *dai, int cdns_set_sdw_stream(struct snd_soc_dai *dai,

1
drivers/soundwire/intel.c
View File

@ -1262,6 +1262,7 @@ static struct sdw_master_ops sdw_intel_ops = {
.set_bus_conf = cdns_bus_conf, .set_bus_conf = cdns_bus_conf,
.pre_bank_switch = intel_pre_bank_switch, .pre_bank_switch = intel_pre_bank_switch,
.post_bank_switch = intel_post_bank_switch, .post_bank_switch = intel_post_bank_switch,
.read_ping_status = cdns_read_ping_status,
}; };
static int intel_init(struct sdw_intel *sdw) static int intel_init(struct sdw_intel *sdw)