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_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 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