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-rw-r--r--sound/soc/intel/catpt/sysfs.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/sound/soc/intel/catpt/sysfs.c b/sound/soc/intel/catpt/sysfs.c
new file mode 100644
index 000000000..9b6d2d93a
--- /dev/null
+++ b/sound/soc/intel/catpt/sysfs.c
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright(c) 2020 Intel Corporation. All rights reserved.
+//
+// Author: Cezary Rojewski <cezary.rojewski@intel.com>
+//
+
+#include <linux/pm_runtime.h>
+#include "core.h"
+
+static ssize_t fw_version_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct catpt_dev *cdev = dev_get_drvdata(dev);
+ struct catpt_fw_version version;
+ int ret;
+
+ ret = pm_runtime_resume_and_get(cdev->dev);
+ if (ret < 0 && ret != -EACCES)
+ return ret;
+
+ ret = catpt_ipc_get_fw_version(cdev, &version);
+
+ pm_runtime_mark_last_busy(cdev->dev);
+ pm_runtime_put_autosuspend(cdev->dev);
+
+ if (ret)
+ return CATPT_IPC_ERROR(ret);
+
+ return sysfs_emit(buf, "%d.%d.%d.%d\n", version.type, version.major,
+ version.minor, version.build);
+}
+static DEVICE_ATTR_RO(fw_version);
+
+static ssize_t fw_info_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct catpt_dev *cdev = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf, "%s\n", cdev->ipc.config.fw_info);
+}
+static DEVICE_ATTR_RO(fw_info);
+
+static struct attribute *catpt_attrs[] = {
+ &dev_attr_fw_version.attr,
+ &dev_attr_fw_info.attr,
+ NULL
+};
+
+static const struct attribute_group catpt_attr_group = {
+ .attrs = catpt_attrs,
+};
+
+const struct attribute_group *catpt_attr_groups[] = {
+ &catpt_attr_group,
+ NULL
+};