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authorPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>2022-07-14 09:10:41 +0800
committerMark Brown <broonie@kernel.org>2022-08-17 13:00:53 +0100
commit133547a1ef16cbdadb5c0023e5917924ae326dcc (patch)
tree47f001e551c2b9695abc1d9732f26c368b1ce196 /drivers
parent874de459488b8741afc0e9888d39f2e15a962b3d (diff)
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/soundwire/cadence_master.c8
-rw-r--r--drivers/soundwire/cadence_master.h2
-rw-r--r--drivers/soundwire/intel.c1
3 files changed, 11 insertions, 0 deletions
diff --git a/drivers/soundwire/cadence_master.c b/drivers/soundwire/cadence_master.c
index 4fbb19557f5e..615b0b63a3e1 100644
--- a/drivers/soundwire/cadence_master.c
+++ b/drivers/soundwire/cadence_master.c
@@ -756,6 +756,14 @@ cdns_reset_page_addr(struct sdw_bus *bus, unsigned int dev_num)
}
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
*/
diff --git a/drivers/soundwire/cadence_master.h b/drivers/soundwire/cadence_master.h
index 595d72c15d97..ca9e805bab88 100644
--- a/drivers/soundwire/cadence_master.h
+++ b/drivers/soundwire/cadence_master.h
@@ -177,6 +177,8 @@ enum sdw_command_response
cdns_xfer_msg_defer(struct sdw_bus *bus,
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_set_sdw_stream(struct snd_soc_dai *dai,
diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c
index 89d1d0d021fc..a5965e8827b9 100644
--- a/drivers/soundwire/intel.c
+++ b/drivers/soundwire/intel.c
@@ -1262,6 +1262,7 @@ static struct sdw_master_ops sdw_intel_ops = {
.set_bus_conf = cdns_bus_conf,
.pre_bank_switch = intel_pre_bank_switch,
.post_bank_switch = intel_post_bank_switch,
+ .read_ping_status = cdns_read_ping_status,
};
static int intel_init(struct sdw_intel *sdw)