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
fw_version_show(struct device * dev,struct device_attribute * attr,char * buf)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_put_autosuspend(cdev->dev);
25
26 if (ret)
27 return CATPT_IPC_ERROR(ret);
28
29 return sysfs_emit(buf, "%d.%d.%d.%d\n", version.type, version.major,
30 version.minor, version.build);
31 }
32 static DEVICE_ATTR_RO(fw_version);
33
fw_info_show(struct device * dev,struct device_attribute * attr,char * buf)34 static ssize_t fw_info_show(struct device *dev,
35 struct device_attribute *attr, char *buf)
36 {
37 struct catpt_dev *cdev = dev_get_drvdata(dev);
38
39 return sysfs_emit(buf, "%s\n", cdev->ipc.config.fw_info);
40 }
41 static DEVICE_ATTR_RO(fw_info);
42
43 static struct attribute *catpt_attrs[] = {
44 &dev_attr_fw_version.attr,
45 &dev_attr_fw_info.attr,
46 NULL
47 };
48
49 static const struct attribute_group catpt_attr_group = {
50 .attrs = catpt_attrs,
51 };
52
53 const struct attribute_group *catpt_attr_groups[] = {
54 &catpt_attr_group,
55 NULL
56 };
57