linux-kernel - [PATCH v2 10/16] soundwire: intel_auxdevice: add indirection for BPT send

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Message-ID: <20250224064451.33772-11-yung-chuan.liao@linux.intel.com>
Date: Mon, 24 Feb 2025 14:44:44 +0800
From: Bard Liao <yung-chuan.liao@...ux.intel.com>
To: linux-sound@...r.kernel.org,
	broonie@...nel.org,
	tiwai@...e.de,
	vkoul@...nel.org
Cc: vinod.koul@...aro.org,
	linux-kernel@...r.kernel.org,
	pierre-louis.bossart@...ux.dev,
	bard.liao@...el.com
Subject: [PATCH v2 10/16] soundwire: intel_auxdevice: add indirection for BPT send_async/wait

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

Mirror abstraction added for master ops.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.dev>
Signed-off-by: Bard Liao <yung-chuan.liao@...ux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@...ux.intel.com>
Reviewed-by: Liam Girdwood <liam.r.girdwood@...el.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>
---
 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 dee126f6d9d5..5ea6399e6c9b 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);
@@ -267,6 +288,9 @@ 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