2
  *   ˆl–Ü4ý( ©³( 	Å€fàB¦-ÿÅƒÌ‹_†I|¥�+ÂÄ (    /*
 * include/linux/dmapool.h
 *
 * Allocation pools for DMAable (coherent) memory.
 *
 * This file is licensed under  the terms of the GNU General Public 
 * License version 2. This program is licensed "as is" without any 
 * warranty of any kind, whether express or implied.
 */

#ifndef LINUX_DMAPOOL_H
#define	LINUX_DMAPOOL_H

#include <linux/scatterlist.h>
#include <asm/io.h>

struct device;

#ifdef CONFIG_HAS_DMA

struct dma_pool *dma_pool_create(const char *name, struct device *dev, 
			size_t size, size_t align, size_t allocation);

void dma_pool_destroy(struct dma_pool *pool);

void *dma_pool_alloc(struct dma_pool *pool, gfp_t mem_flags,
		     dma_addr_t *handle);
void dma_pool_free(struct dma_pool *pool, void *vaddr, dma_addr_t addr);

/*
 * Managed DMA pool
 */
struct dma_pool *dmam_pool_create(const char *name, struct device *dev,
				  size_t size, size_t align, size_t allocation);
void dmam_pool_destroy(struct dma_pool *pool);

#else /* !CONFIG_HAS_DMA */
static inline struct dma_pool *dma_pool_create(const char *name,
	struct device *dev, size_t size, size_t align, size_t allocation)
{ return NULL; }
static inline void dma_pool_destroy(struct dma_pool *pool) { }
static inline void *dma_pool_alloc(struct dma_pool *pool, gfp_t mem_flags,
				   dma_addr_t *handle) { return NULL; }
static inline void dma_pool_free(struct dma_pool *pool, void *vaddr,
				 dma_addr_t addr) { }
static inline struct dma_pool *dmam_pool_create(const char *name,
	struct device *dev, size_t size, size_t align, size_t allocation)
{ return NULL; }
static inline void dmam_pool_destroy(struct dma_pool *pool) { }
#endif /* !CONFIG_HAS_DMA */

static inline void *dma_pool_zalloc(struct dma_pool *pool, gfp_t mem_flags,
				    dma_addr_t *handle)
{
	return dma_pool_alloc(pool, mem_flags | __GFP_ZERO, handle);
}

#endif

  #   ˆl–ß=¿JÅ!¶e8 EpÜ TÅ£ÇƒqÀ=¿ÃÅ Ð    /*
 * 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.
 */
#ifndef __RFKILL_H
#define __RFKILL_H


#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.
 * @RFKILL_TYPE_NFC: switch is on an NFC 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,
	RFKILL_TYPE_NFC,
	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
 * 