1 // SPDX-License-Identifier: GPL-2.0-only
2 //
3 // Copyright(c) 2020 Intel Corporation
4 //
5 // Author: Cezary Rojewski <cezary.rojewski@intel.com>
6 //
7
8 #include <linux/pm_runtime.h>
9 #include "core.h"
10
11 static 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 }
33 static DEVICE_ATTR_RO(fw_version);
34
35 static 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 }
42 static DEVICE_ATTR_RO(fw_info);
43
44 static struct attribute *catpt_attrs[] = {
45 &dev_attr_fw_version.attr,
46 &dev_attr_fw_info.attr,
47 NULL
48 };
49
50 static const struct attribute_group catpt_attr_group = {
51 .attrs = catpt_attrs,
52 };
53
54 const struct attribute_group *catpt_attr_groups[] = {
55 &catpt_attr_group,
56 NULL
57 };
58
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