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