sysfs.c (1277B)
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 pm_runtime_get_sync(cdev->dev); 19 20 ret = catpt_ipc_get_fw_version(cdev, &version); 21 22 pm_runtime_mark_last_busy(cdev->dev); 23 pm_runtime_put_autosuspend(cdev->dev); 24 25 if (ret) 26 return CATPT_IPC_ERROR(ret); 27 28 return sprintf(buf, "%d.%d.%d.%d\n", version.type, version.major, 29 version.minor, version.build); 30} 31static DEVICE_ATTR_RO(fw_version); 32 33static ssize_t fw_info_show(struct device *dev, 34 struct device_attribute *attr, char *buf) 35{ 36 struct catpt_dev *cdev = dev_get_drvdata(dev); 37 38 return sprintf(buf, "%s\n", cdev->ipc.config.fw_info); 39} 40static DEVICE_ATTR_RO(fw_info); 41 42static struct attribute *catpt_attrs[] = { 43 &dev_attr_fw_version.attr, 44 &dev_attr_fw_info.attr, 45 NULL 46}; 47 48static const struct attribute_group catpt_attr_group = { 49 .attrs = catpt_attrs, 50}; 51 52const struct attribute_group *catpt_attr_groups[] = { 53 &catpt_attr_group, 54 NULL 55};