[PATCH 10/16] soundwire: intel_auxdevice: add indirection for BPT send_async/wait

From: Bard Liao
Date: Wed Feb 05 2025 - 03:47:49 EST


From: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxx>

Mirror abstraction added for master ops.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxx>
Signed-off-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
Reviewed-by: Liam Girdwood <liam.r.girdwood@xxxxxxxxx>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
---
drivers/soundwire/intel_auxdevice.c | 24 ++++++++++++++++++++++++
include/linux/soundwire/sdw_intel.h | 4 ++++
2 files changed, 28 insertions(+)

diff --git a/drivers/soundwire/intel_auxdevice.c b/drivers/soundwire/intel_auxdevice.c
index 599954d92752..b34b897400fc 100644
--- a/drivers/soundwire/intel_auxdevice.c
+++ b/drivers/soundwire/intel_auxdevice.c
@@ -79,6 +79,27 @@ static bool is_wake_capable(struct sdw_slave *slave)
return false;
}

+static int generic_bpt_send_async(struct sdw_bus *bus, struct sdw_slave *slave,
+ struct sdw_bpt_msg *msg)
+{
+ struct sdw_cdns *cdns = bus_to_cdns(bus);
+ struct sdw_intel *sdw = cdns_to_intel(cdns);
+
+ if (sdw->link_res->hw_ops->bpt_send_async)
+ return sdw->link_res->hw_ops->bpt_send_async(sdw, slave, msg);
+ return -EOPNOTSUPP;
+}
+
+static int generic_bpt_wait(struct sdw_bus *bus, struct sdw_slave *slave, struct sdw_bpt_msg *msg)
+{
+ struct sdw_cdns *cdns = bus_to_cdns(bus);
+ struct sdw_intel *sdw = cdns_to_intel(cdns);
+
+ if (sdw->link_res->hw_ops->bpt_wait)
+ return sdw->link_res->hw_ops->bpt_wait(sdw, slave, msg);
+ return -EOPNOTSUPP;
+}
+
static int generic_pre_bank_switch(struct sdw_bus *bus)
{
struct sdw_cdns *cdns = bus_to_cdns(bus);
@@ -288,6 +309,9 @@ static struct sdw_master_ops sdw_intel_ops = {
.get_device_num = intel_get_device_num_ida,
.put_device_num = intel_put_device_num_ida,
.new_peripheral_assigned = generic_new_peripheral_assigned,
+
+ .bpt_send_async = generic_bpt_send_async,
+ .bpt_wait = generic_bpt_wait,
};

/*
diff --git a/include/linux/soundwire/sdw_intel.h b/include/linux/soundwire/sdw_intel.h
index 580086417e4b..493d9de4e472 100644
--- a/include/linux/soundwire/sdw_intel.h
+++ b/include/linux/soundwire/sdw_intel.h
@@ -436,6 +436,10 @@ struct sdw_intel_hw_ops {
bool (*sync_check_cmdsync_unlocked)(struct sdw_intel *sdw);

void (*program_sdi)(struct sdw_intel *sdw, int dev_num);
+
+ int (*bpt_send_async)(struct sdw_intel *sdw, struct sdw_slave *slave,
+ struct sdw_bpt_msg *msg);
+ int (*bpt_wait)(struct sdw_intel *sdw, struct sdw_slave *slave, struct sdw_bpt_msg *msg);
};

extern const struct sdw_intel_hw_ops sdw_intel_cnl_hw_ops;
--
2.43.0