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Diffstat (limited to 'include/compat/linux/rfkill_backport.h')
| -rwxr-xr-x | include/compat/linux/rfkill_backport.h | 359 |
1 files changed, 0 insertions, 359 deletions
diff --git a/include/compat/linux/rfkill_backport.h b/include/compat/linux/rfkill_backport.h deleted file mode 100755 index c6c6084..0000000 --- a/include/compat/linux/rfkill_backport.h +++ /dev/null @@ -1,359 +0,0 @@ -#ifndef __RFKILL_H -#define __RFKILL_H - -/* - * Copyright (C) 2006 - 2007 Ivo van Doorn - * Copyright (C) 2007 Dmitry Torokhov - * Copyright 2009 Johannes Berg <johannes@sipsolutions.net> - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include <linux/types.h> - -/* define userspace visible states */ -#define RFKILL_STATE_SOFT_BLOCKED 0 -#define RFKILL_STATE_UNBLOCKED 1 -#define RFKILL_STATE_HARD_BLOCKED 2 - -/** - * enum rfkill_type - type of rfkill switch. - * - * @RFKILL_TYPE_ALL: toggles all switches (requests only - not a switch type) - * @RFKILL_TYPE_WLAN: switch is on a 802.11 wireless network device. - * @RFKILL_TYPE_BLUETOOTH: switch is on a bluetooth device. - * @RFKILL_TYPE_UWB: switch is on a ultra wideband device. - * @RFKILL_TYPE_WIMAX: switch is on a WiMAX device. - * @RFKILL_TYPE_WWAN: switch is on a wireless WAN device. - * @RFKILL_TYPE_GPS: switch is on a GPS device. - * @RFKILL_TYPE_FM: switch is on a FM radio device. - * @NUM_RFKILL_TYPES: number of defined rfkill types - */ -enum rfkill_type { - RFKILL_TYPE_ALL = 0, - RFKILL_TYPE_WLAN, - RFKILL_TYPE_BLUETOOTH, - RFKILL_TYPE_UWB, - RFKILL_TYPE_WIMAX, - RFKILL_TYPE_WWAN, - RFKILL_TYPE_GPS, - RFKILL_TYPE_FM, - NUM_RFKILL_TYPES, -}; - -/** - * enum rfkill_operation - operation types - * @RFKILL_OP_ADD: a device was added - * @RFKILL_OP_DEL: a device was removed - * @RFKILL_OP_CHANGE: a device's state changed -- userspace changes one device - * @RFKILL_OP_CHANGE_ALL: userspace changes all devices (of a type, or all) - */ -enum rfkill_operation { - RFKILL_OP_ADD = 0, - RFKILL_OP_DEL, - RFKILL_OP_CHANGE, - RFKILL_OP_CHANGE_ALL, -}; - -/** - * struct rfkill_event - events for userspace on /dev/rfkill - * @idx: index of dev rfkill - * @type: type of the rfkill struct - * @op: operation code - * @hard: hard state (0/1) - * @soft: soft state (0/1) - * - * Structure used for userspace communication on /dev/rfkill, - * used for events from the kernel and control to the kernel. - */ -struct rfkill_event { - __u32 idx; - __u8 type; - __u8 op; - __u8 soft, hard; -} __attribute__((packed)); - -/* - * We are planning to be backward and forward compatible with changes - * to the event struct, by adding new, optional, members at the end. - * When reading an event (whether the kernel from userspace or vice - * versa) we need to accept anything that's at least as large as the - * version 1 event size, but might be able to accept other sizes in - * the future. - * - * One exception is the kernel -- we already have two event sizes in - * that we've made the 'hard' member optional since our only option - * is to ignore it anyway. - */ -#define RFKILL_EVENT_SIZE_V1 8 - -/* ioctl for turning off rfkill-input (if present) */ -#define RFKILL_IOC_MAGIC 'R' -#define RFKILL_IOC_NOINPUT 1 -#define RFKILL_IOCTL_NOINPUT _IO(RFKILL_IOC_MAGIC, RFKILL_IOC_NOINPUT) - -/* and that's all userspace gets */ -#ifdef __KERNEL__ -/* don't allow anyone to use these in the kernel */ -enum rfkill_user_states { - RFKILL_USER_STATE_SOFT_BLOCKED = RFKILL_STATE_SOFT_BLOCKED, - RFKILL_USER_STATE_UNBLOCKED = RFKILL_STATE_UNBLOCKED, - RFKILL_USER_STATE_HARD_BLOCKED = RFKILL_STATE_HARD_BLOCKED, -}; -#undef RFKILL_STATE_SOFT_BLOCKED -#undef RFKILL_STATE_UNBLOCKED -#undef RFKILL_STATE_HARD_BLOCKED - -#include <linux/kernel.h> -#include <linux/list.h> -#include <linux/mutex.h> -#include <linux/device.h> -#include <linux/leds.h> -#include <linux/err.h> - -/* this is opaque */ -struct rfkill; - -/** - * struct rfkill_ops - rfkill driver methods - * - * @poll: poll the rfkill block state(s) -- only assign this method - * when you need polling. When called, simply call one of the - * rfkill_set{,_hw,_sw}_state family of functions. If the hw - * is getting unblocked you need to take into account the return - * value of those functions to make sure the software block is - * properly used. - * @query: query the rfkill block state(s) and call exactly one of the - * rfkill_set{,_hw,_sw}_state family of functions. Assign this - * method if input events can cause hardware state changes to make - * the rfkill core query your driver before setting a requested - * block. - * @set_block: turn the transmitter on (blocked == false) or off - * (blocked == true) -- ignore and return 0 when hard blocked. - * This callback must be assigned. - */ -struct rfkill_ops { - void (*poll)(struct rfkill *rfkill, void *data); - void (*query)(struct rfkill *rfkill, void *data); - int (*set_block)(void *data, bool blocked); -}; - -#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE) -/** - * rfkill_alloc - allocate rfkill structure - * @name: name of the struct -- the string is not copied internally - * @parent: device that has rf switch on it - * @type: type of the switch (RFKILL_TYPE_*) - * @ops: rfkill methods - * @ops_data: data passed to each method - * - * This function should be called by the transmitter driver to allocate an - * rfkill structure. Returns %NULL on failure. - */ -struct rfkill * __must_check rfkill_alloc(const char *name, - struct device *parent, - const enum rfkill_type type, - const struct rfkill_ops *ops, - void *ops_data); - -/** - * rfkill_register - Register a rfkill structure. - * @rfkill: rfkill structure to be registered - * - * This function should be called by the transmitter driver to register - * the rfkill structure. Before calling this function the driver needs - * to be ready to service method calls from rfkill. - * - * If rfkill_init_sw_state() is not called before registration, - * set_block() will be called to initialize the software blocked state - * to a default value. - * - * If the hardware blocked state is not set before registration, - * it is assumed to be unblocked. - */ -int __must_check rfkill_register(struct rfkill *rfkill); - -/** - * rfkill_pause_polling(struct rfkill *rfkill) - * - * Pause polling -- say transmitter is off for other reasons. - * NOTE: not necessary for suspend/resume -- in that case the - * core stops polling anyway - */ -void rfkill_pause_polling(struct rfkill *rfkill); - -/** - * rfkill_resume_polling(struct rfkill *rfkill) - * - * Pause polling -- say transmitter is off for other reasons. - * NOTE: not necessary for suspend/resume -- in that case the - * core stops polling anyway - */ -void rfkill_resume_polling(struct rfkill *rfkill); - - -/** - * rfkill_unregister - Unregister a rfkill structure. - * @rfkill: rfkill structure to be unregistered - * - * This function should be called by the network driver during device - * teardown to destroy rfkill structure. Until it returns, the driver - * needs to be able to service method calls. - */ -void rfkill_unregister(struct rfkill *rfkill); - -/** - * rfkill_destroy - free rfkill structure - * @rfkill: rfkill structure to be destroyed - * - * Destroys the rfkill structure. - */ -void rfkill_destroy(struct rfkill *rfkill); - -/** - * rfkill_set_hw_state - Set the internal rfkill hardware block state - * @rfkill: pointer to the rfkill class to modify. - * @state: the current hardware block state to set - * - * rfkill drivers that get events when the hard-blocked state changes - * use this function to notify the rfkill core (and through that also - * userspace) of the current state. They should also use this after - * resume if the state could have changed. - * - * You need not (but may) call this function if poll_state is assigned. - * - * This function can be called in any context, even from within rfkill - * callbacks. - * - * The function returns the combined block state (true if transmitter - * should be blocked) so that drivers need not keep track of the soft - * block state -- which they might not be able to. - */ -bool rfkill_set_hw_state(struct rfkill *rfkill, bool blocked); - -/** - * rfkill_set_sw_state - Set the internal rfkill software block state - * @rfkill: pointer to the rfkill class to modify. - * @state: the current software block state to set - * - * rfkill drivers that get events when the soft-blocked state changes - * (yes, some platforms directly act on input but allow changing again) - * use this function to notify the rfkill core (and through that also - * userspace) of the current state. - * - * Drivers should also call this function after resume if the state has - * been changed by the user. This only makes sense for "persistent" - * devices (see rfkill_init_sw_state()). - * - * This function can be called in any context, even from within rfkill - * callbacks. - * - * The function returns the combined block state (true if transmitter - * should be blocked). - */ -bool rfkill_set_sw_state(struct rfkill *rfkill, bool blocked); - -/** - * rfkill_init_sw_state - Initialize persistent software block state - * @rfkill: pointer to the rfkill class to modify. - * @state: the current software block state to set - * - * rfkill drivers that preserve their software block state over power off - * use this function to notify the rfkill core (and through that also - * userspace) of their initial state. It should only be used before - * registration. - * - * In addition, it marks the device as "persistent", an attribute which - * can be read by userspace. Persistent devices are expected to preserve - * their own state when suspended. - */ -void rfkill_init_sw_state(struct rfkill *rfkill, bool blocked); - -/** - * rfkill_set_states - Set the internal rfkill block states - * @rfkill: pointer to the rfkill class to modify. - * @sw: the current software block state to set - * @hw: the current hardware block state to set - * - * This function can be called in any context, even from within rfkill - * callbacks. - */ -void rfkill_set_states(struct rfkill *rfkill, bool sw, bool hw); - -/** - * rfkill_blocked - query rfkill block - * - * @rfkill: rfkill struct to query - */ -bool rfkill_blocked(struct rfkill *rfkill); -#else /* !RFKILL */ -static inline struct rfkill * __must_check -rfkill_alloc(const char *name, - struct device *parent, - const enum rfkill_type type, - const struct rfkill_ops *ops, - void *ops_data) -{ - return ERR_PTR(-ENODEV); -} - -static inline int __must_check rfkill_register(struct rfkill *rfkill) -{ - if (rfkill == ERR_PTR(-ENODEV)) - return 0; - return -EINVAL; -} - -static inline void rfkill_pause_polling(struct rfkill *rfkill) -{ -} - -static inline void rfkill_resume_polling(struct rfkill *rfkill) -{ -} - -static inline void rfkill_unregister(struct rfkill *rfkill) -{ -} - -static inline void rfkill_destroy(struct rfkill *rfkill) -{ -} - -static inline bool rfkill_set_hw_state(struct rfkill *rfkill, bool blocked) -{ - return blocked; -} - -static inline bool rfkill_set_sw_state(struct rfkill *rfkill, bool blocked) -{ - return blocked; -} - -static inline void rfkill_init_sw_state(struct rfkill *rfkill, bool blocked) -{ -} - -static inline void rfkill_set_states(struct rfkill *rfkill, bool sw, bool hw) -{ -} - -static inline bool rfkill_blocked(struct rfkill *rfkill) -{ - return false; -} -#endif /* RFKILL || RFKILL_MODULE */ - -#endif /* __KERNEL__ */ - -#endif /* RFKILL_H */ |