[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / arm / include / asm / outercache.h

/*
 * arch/arm/include/asm/outercache.h
 *
 * Copyright (C) 2010 ARM Ltd.
 * Written by Catalin Marinas <catalin.marinas@arm.com>
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#ifndef __ASM_OUTERCACHE_H
#define __ASM_OUTERCACHE_H

#include <linux/types.h>

struct outer_cache_fns {
	void (*inv_range)(unsigned long, unsigned long);
	void (*clean_range)(unsigned long, unsigned long);
	void (*flush_range)(unsigned long, unsigned long);
	void (*flush_all)(void);
	void (*inv_all)(void);
	void (*disable)(void);
#ifdef CONFIG_OUTER_CACHE_SYNC
	void (*sync)(void);
#endif
	void (*set_debug)(unsigned long);
	void (*resume)(void);
};

#ifdef CONFIG_OUTER_CACHE

extern struct outer_cache_fns outer_cache;

static inline void outer_inv_range(phys_addr_t start, phys_addr_t end)
{
	if (outer_cache.inv_range)
		outer_cache.inv_range(start, end);
}
static inline void outer_clean_range(phys_addr_t start, phys_addr_t end)
{
	if (outer_cache.clean_range)
		outer_cache.clean_range(start, end);
}
static inline void outer_flush_range(phys_addr_t start, phys_addr_t end)
{
	if (outer_cache.flush_range)
		outer_cache.flush_range(start, end);
}

static inline void outer_flush_all(void)
{
	if (outer_cache.flush_all)
		outer_cache.flush_all();
}

static inline void outer_inv_all(void)
{
	if (outer_cache.inv_all)
		outer_cache.inv_all();
}

static inline void outer_disable(void)
{
	if (outer_cache.disable)
		outer_cache.disable();
}

static inline void outer_resume(void)
{
	if (outer_cache.resume)
		outer_cache.resume();
}

#else

static inline void outer_inv_range(phys_addr_t start, phys_addr_t end)
{ }
static inline void outer_clean_range(phys_addr_t start, phys_addr_t end)
{ }
static inline void outer_flush_range(phys_addr_t start, phys_addr_t end)
{ }
static inline void outer_flush_all(void) { }
static inline void outer_inv_all(void) { }
static inline void outer_disable(void) { }

#endif

#ifdef CONFIG_OUTER_CACHE_SYNC
static inline void outer_sync(void)
{
	if (outer_cache.sync)
		outer_cache.sync();
}
#else
static inline void outer_sync(void)
{ }
#endif

#endif	/* __ASM_OUTERCACHE_H */
Commit	Line	Data
33f663ff CM	1	/*
	2	* arch/arm/include/asm/outercache.h
	3	*
	4	* Copyright (C) 2010 ARM Ltd.
	5	* Written by Catalin Marinas <catalin.marinas@arm.com>
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License version 2 as
	9	* published by the Free Software Foundation.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	19	*/
	20
	21	#ifndef __ASM_OUTERCACHE_H
	22	#define __ASM_OUTERCACHE_H
	23
ad6b9c9d WD	24	#include <linux/types.h>
ad6b9c9d WD	25
33f663ff CM	26	struct outer_cache_fns {
	27	void (*inv_range)(unsigned long, unsigned long);
	28	void (*clean_range)(unsigned long, unsigned long);
	29	void (*flush_range)(unsigned long, unsigned long);
ae360a78 TG	30	void (*flush_all)(void);
	31	void (*inv_all)(void);
	32	void (*disable)(void);
319f551a CM	33	#ifdef CONFIG_OUTER_CACHE_SYNC
	34	void (*sync)(void);
	35	#endif
2839e06c	36	void (*set_debug)(unsigned long);
91c2ebb9	37	void (*resume)(void);
33f663ff CM	38	};
	39
	40	#ifdef CONFIG_OUTER_CACHE
	41
	42	extern struct outer_cache_fns outer_cache;
	43
ad6b9c9d	44	static inline void outer_inv_range(phys_addr_t start, phys_addr_t end)
33f663ff CM	45	{
	46	if (outer_cache.inv_range)
	47	outer_cache.inv_range(start, end);
	48	}
ad6b9c9d	49	static inline void outer_clean_range(phys_addr_t start, phys_addr_t end)
33f663ff CM	50	{
	51	if (outer_cache.clean_range)
	52	outer_cache.clean_range(start, end);
	53	}
ad6b9c9d	54	static inline void outer_flush_range(phys_addr_t start, phys_addr_t end)
33f663ff CM	55	{
	56	if (outer_cache.flush_range)
	57	outer_cache.flush_range(start, end);
	58	}
	59
ae360a78 TG	60	static inline void outer_flush_all(void)
	61	{
	62	if (outer_cache.flush_all)
	63	outer_cache.flush_all();
	64	}
	65
	66	static inline void outer_inv_all(void)
	67	{
	68	if (outer_cache.inv_all)
	69	outer_cache.inv_all();
	70	}
	71
	72	static inline void outer_disable(void)
	73	{
	74	if (outer_cache.disable)
	75	outer_cache.disable();
	76	}
	77
91c2ebb9 BS	78	static inline void outer_resume(void)
	79	{
	80	if (outer_cache.resume)
	81	outer_cache.resume();
	82	}
	83
33f663ff CM	84	#else
33f663ff CM	85
ad6b9c9d	86	static inline void outer_inv_range(phys_addr_t start, phys_addr_t end)
33f663ff	87	{ }
ad6b9c9d	88	static inline void outer_clean_range(phys_addr_t start, phys_addr_t end)
33f663ff	89	{ }
ad6b9c9d	90	static inline void outer_flush_range(phys_addr_t start, phys_addr_t end)
33f663ff	91	{ }
ae360a78 TG	92	static inline void outer_flush_all(void) { }
	93	static inline void outer_inv_all(void) { }
	94	static inline void outer_disable(void) { }
33f663ff CM	95
	96	#endif
	97
319f551a CM	98	#ifdef CONFIG_OUTER_CACHE_SYNC
	99	static inline void outer_sync(void)
	100	{
	101	if (outer_cache.sync)
	102	outer_cache.sync();
	103	}
	104	#else
	105	static inline void outer_sync(void)
	106	{ }
	107	#endif
	108
33f663ff	109	#endif /* __ASM_OUTERCACHE_H */