Unverified Commit f7fc624b authored by Cezary Rojewski's avatar Cezary Rojewski Committed by Mark Brown
Browse files

ASoC: Intel: avs: Expose FW version with sysfs 



Add functionality to read version of loaded FW from sysfs.

Signed-off-by: default avatarCezary Rojewski <cezary.rojewski@intel.com>
Signed-off-by: default avatarAmadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Link: https://lore.kernel.org/r/20240209085256.121261-1-amadeuszx.slawinski@linux.intel.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 4089d82e

Documentation/ABI/testing/sysfs-bus-pci-devices-avs

0 → 100644
+8 −0
Original line number Diff line number Diff line 
What:		/sys/devices/pci0000:00/<dev>/avs/fw_version

Date:		February 2024

Contact:	Cezary Rojewski <cezary.rojewski@intel.com>

Description:

		Version of AudioDSP firmware ASoC avs driver is communicating

		with.



		Format: %d.%d.%d.%d, type:major:minor:build.

sound/soc/intel/avs/Makefile

+2 −1
Original line number Diff line number Diff line 
# SPDX-License-Identifier: GPL-2.0-only



snd-soc-avs-objs := dsp.o ipc.o messages.o utils.o core.o loader.o \

		    topology.o path.o pcm.o board_selection.o control.o

		    topology.o path.o pcm.o board_selection.o control.o \

		    sysfs.o

snd-soc-avs-objs += cldma.o

snd-soc-avs-objs += skl.o apl.o

sound/soc/intel/avs/avs.h

+4 −0
Original line number Diff line number Diff line
@@ -392,4 +392,8 @@ static inline void avs_debugfs_init(struct avs_dev *adev) { } 
static inline void avs_debugfs_exit(struct avs_dev *adev) { }

#endif



/* Filesystems integration */



extern const struct attribute_group *avs_attr_groups[];



#endif /* __SOUND_SOC_INTEL_AVS_H */

sound/soc/intel/avs/core.c

+1 −0
Original line number Diff line number Diff line
@@ -773,6 +773,7 @@ static struct pci_driver avs_pci_driver = { 
	.probe = avs_pci_probe,

	.remove = avs_pci_remove,

	.shutdown = avs_pci_shutdown,

	.dev_groups = avs_attr_groups,

	.driver = {

		.pm = &avs_dev_pm,

	},

sound/soc/intel/avs/sysfs.c

0 → 100644
+35 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

//

// Copyright(c) 2021-2024 Intel Corporation. All rights reserved.

//

// Authors: Cezary Rojewski <cezary.rojewski@intel.com>

//          Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>

//



#include <linux/sysfs.h>

#include "avs.h"



static ssize_t fw_version_show(struct device *dev, struct device_attribute *attr, char *buf)

{

	struct avs_dev *adev = to_avs_dev(dev);

	struct avs_fw_version *fw_version = &adev->fw_cfg.fw_version;



	return sysfs_emit(buf, "%d.%d.%d.%d\n", fw_version->major, fw_version->minor,

			  fw_version->hotfix, fw_version->build);

}

static DEVICE_ATTR_RO(fw_version);



static struct attribute *avs_fw_attrs[] = {

	&dev_attr_fw_version.attr,

	NULL

};



static const struct attribute_group avs_attr_group = {

	.name = "avs",

	.attrs = avs_fw_attrs,

};



const struct attribute_group *avs_attr_groups[] = {

	&avs_attr_group,

	NULL

};