Add sysfs entries for displaying version of FW currently in use as well
as binary dump of entire version info, including build and log providers
hashes.
Signed-off-by: Cezary Rojewski <cezary.rojewski@xxxxxxxxx>
---
sound/soc/intel/catpt/fs.c | 79 ++++++++++++++++++++++++++++++++++++++
1 file changed, 79 insertions(+)
create mode 100644 sound/soc/intel/catpt/fs.c
diff --git a/sound/soc/intel/catpt/fs.c b/sound/soc/intel/catpt/fs.c
new file mode 100644
index 000000000000..d73493687f4a
--- /dev/null
+++ b/sound/soc/intel/catpt/fs.c
@@ -0,0 +1,79 @@
+// SPDX-License-Identifier: GPL-2.0-pcm
+//
+// Copyright(c) 2020 Intel Corporation. All rights reserved.
+//
+// Author: Cezary Rojewski <cezary.rojewski@xxxxxxxxx>
+//
+
+#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;
+
+ pm_runtime_get_sync(cdev->dev);
+
+ 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 sprintf(buf, "%d.%d.%d.%d\n", version.type, version.major,
+ version.minor, version.build);
+}
+
+static DEVICE_ATTR_RO(fw_version);
+
+static ssize_t fw_build_read(struct file *filp, struct kobject *kobj,
+ struct bin_attribute *bin_attr, char *buf,
+ loff_t off, size_t count)
+{
+ struct catpt_dev *cdev = dev_get_drvdata(kobj_to_dev(kobj));
+ struct catpt_fw_version version;
+ int ret;
+
+ pm_runtime_get_sync(cdev->dev);
+
+ 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);
+
+ memcpy(buf, &version, sizeof(version));
+ return count;
+}
+
+static BIN_ATTR_RO(fw_build, sizeof(struct catpt_fw_version));
+
+int catpt_sysfs_create(struct catpt_dev *cdev)
+{
+ int ret;
+
+ ret = sysfs_create_file(&cdev->dev->kobj, &dev_attr_fw_version.attr);
+ if (ret)
+ return ret;
+
+ ret = sysfs_create_bin_file(&cdev->dev->kobj, &bin_attr_fw_build);
+ if (ret) {
+ sysfs_remove_file(&cdev->dev->kobj, &dev_attr_fw_version.attr);
+ return ret;
+ }
+
+ return 0;
+}
+
+void catpt_sysfs_remove(struct catpt_dev *cdev)
+{
+ sysfs_remove_bin_file(&cdev->dev->kobj, &bin_attr_fw_build);
+ sysfs_remove_file(&cdev->dev->kobj, &dev_attr_fw_version.attr);
+}
--
2.17.1
