1// SPDX-License-Identifier: GPL-2.0-only
2//
3// Copyright(c) 2020 Intel Corporation. All rights reserved.
4//
5// Author: Cezary Rojewski <cezary.rojewski@intel.com>
6//
7
8#include <linux/pm_runtime.h>
9#include "core.h"
10
11static ssize_t fw_version_show(struct device *dev,
12			       struct device_attribute *attr, char *buf)
13{
14	struct catpt_dev *cdev = dev_get_drvdata(dev);
15	struct catpt_fw_version version;
16	int ret;
17
18	ret = pm_runtime_resume_and_get(cdev->dev);
19	if (ret < 0 && ret != -EACCES)
20		return ret;
21
22	ret = catpt_ipc_get_fw_version(cdev, &version);
23
24	pm_runtime_mark_last_busy(cdev->dev);
25	pm_runtime_put_autosuspend(cdev->dev);
26
27	if (ret)
28		return CATPT_IPC_ERROR(ret);
29
30	return sysfs_emit(buf, "%d.%d.%d.%d\n", version.type, version.major,
31			  version.minor, version.build);
32}
33static DEVICE_ATTR_RO(fw_version);
34
35static ssize_t fw_info_show(struct device *dev,
36			    struct device_attribute *attr, char *buf)
37{
38	struct catpt_dev *cdev = dev_get_drvdata(dev);
39
40	return sysfs_emit(buf, "%s\n", cdev->ipc.config.fw_info);
41}
42static DEVICE_ATTR_RO(fw_info);
43
44static struct attribute *catpt_attrs[] = {
45	&dev_attr_fw_version.attr,
46	&dev_attr_fw_info.attr,
47	NULL
48};
49
50static const struct attribute_group catpt_attr_group = {
51	.attrs = catpt_attrs,
52};
53
54const struct attribute_group *catpt_attr_groups[] = {
55	&catpt_attr_group,
56	NULL
57};
58