| /* This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 |
| * as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * Authors: |
| * Alexander Aring <aar@pengutronix.de> |
| * |
| * Based on: net/wireless/sysfs.c |
| */ |
| |
| #include <linux/device.h> |
| #include <linux/rtnetlink.h> |
| |
| #include <net/cfg802154.h> |
| |
| #include "core.h" |
| #include "sysfs.h" |
| #include "rdev-ops.h" |
| |
| static inline struct cfg802154_registered_device * |
| dev_to_rdev(struct device *dev) |
| { |
| return container_of(dev, struct cfg802154_registered_device, |
| wpan_phy.dev); |
| } |
| |
| #define SHOW_FMT(name, fmt, member) \ |
| static ssize_t name ## _show(struct device *dev, \ |
| struct device_attribute *attr, \ |
| char *buf) \ |
| { \ |
| return sprintf(buf, fmt "\n", dev_to_rdev(dev)->member); \ |
| } \ |
| static DEVICE_ATTR_RO(name) |
| |
| SHOW_FMT(index, "%d", wpan_phy_idx); |
| |
| static ssize_t name_show(struct device *dev, |
| struct device_attribute *attr, |
| char *buf) |
| { |
| struct wpan_phy *wpan_phy = &dev_to_rdev(dev)->wpan_phy; |
| |
| return sprintf(buf, "%s\n", dev_name(&wpan_phy->dev)); |
| } |
| static DEVICE_ATTR_RO(name); |
| |
| static void wpan_phy_release(struct device *dev) |
| { |
| struct cfg802154_registered_device *rdev = dev_to_rdev(dev); |
| |
| cfg802154_dev_free(rdev); |
| } |
| |
| static struct attribute *pmib_attrs[] = { |
| &dev_attr_index.attr, |
| &dev_attr_name.attr, |
| NULL, |
| }; |
| #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0) |
| ATTRIBUTE_GROUPS(pmib); |
| #else |
| #define BP_ATTR_GRP_STRUCT device_attribute |
| ATTRIBUTE_GROUPS_BACKPORT(pmib); |
| #endif |
| |
| #ifdef CONFIG_PM_SLEEP |
| static int wpan_phy_suspend(struct device *dev) |
| { |
| struct cfg802154_registered_device *rdev = dev_to_rdev(dev); |
| int ret = 0; |
| |
| if (rdev->ops->suspend) { |
| rtnl_lock(); |
| ret = rdev_suspend(rdev); |
| rtnl_unlock(); |
| } |
| |
| return ret; |
| } |
| |
| static int wpan_phy_resume(struct device *dev) |
| { |
| struct cfg802154_registered_device *rdev = dev_to_rdev(dev); |
| int ret = 0; |
| |
| if (rdev->ops->resume) { |
| rtnl_lock(); |
| ret = rdev_resume(rdev); |
| rtnl_unlock(); |
| } |
| |
| return ret; |
| } |
| |
| static SIMPLE_DEV_PM_OPS(wpan_phy_pm_ops, wpan_phy_suspend, wpan_phy_resume); |
| #define WPAN_PHY_PM_OPS (&wpan_phy_pm_ops) |
| #else |
| #define WPAN_PHY_PM_OPS NULL |
| #endif |
| |
| struct class wpan_phy_class = { |
| .name = "ieee802154", |
| .dev_release = wpan_phy_release, |
| #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0) |
| .dev_groups = pmib_groups, |
| #else |
| .dev_attrs = pmib_dev_attrs, |
| #endif |
| .pm = WPAN_PHY_PM_OPS, |
| }; |
| |
| int wpan_phy_sysfs_init(void) |
| { |
| init_pmib_attrs(); |
| return class_register(&wpan_phy_class); |
| } |
| |
| void wpan_phy_sysfs_exit(void) |
| { |
| class_unregister(&wpan_phy_class); |
| } |