[deliverable/linux.git] / arch / arm / mach-s5pv310 / include / mach / sysmmu.h

/* linux/arch/arm/mach-s5pv310/include/mach/sysmmu.h
 *
 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
 *		http://www.samsung.com/
 *
 * Samsung sysmmu driver for S5PV310
 *
 * 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.
*/

#ifndef __ASM_ARM_ARCH_SYSMMU_H
#define __ASM_ARM_ARCH_SYSMMU_H __FILE__

#define S5PV310_SYSMMU_TOTAL_IPNUM	16
#define S5P_SYSMMU_TOTAL_IPNUM		S5PV310_SYSMMU_TOTAL_IPNUM

enum s5pv310_sysmmu_ips {
	SYSMMU_MDMA,
	SYSMMU_SSS,
	SYSMMU_FIMC0,
	SYSMMU_FIMC1,
	SYSMMU_FIMC2,
	SYSMMU_FIMC3,
	SYSMMU_JPEG,
	SYSMMU_FIMD0,
	SYSMMU_FIMD1,
	SYSMMU_PCIe,
	SYSMMU_G2D,
	SYSMMU_ROTATOR,
	SYSMMU_MDMA2,
	SYSMMU_TV,
	SYSMMU_MFC_L,
	SYSMMU_MFC_R,
};

static char *sysmmu_ips_name[S5PV310_SYSMMU_TOTAL_IPNUM] = {
	"SYSMMU_MDMA"	,
	"SYSMMU_SSS"	,
	"SYSMMU_FIMC0"	,
	"SYSMMU_FIMC1"	,
	"SYSMMU_FIMC2"	,
	"SYSMMU_FIMC3"	,
	"SYSMMU_JPEG"	,
	"SYSMMU_FIMD0"	,
	"SYSMMU_FIMD1"	,
	"SYSMMU_PCIe"	,
	"SYSMMU_G2D"	,
	"SYSMMU_ROTATOR",
	"SYSMMU_MDMA2"	,
	"SYSMMU_TV"	,
	"SYSMMU_MFC_L"	,
	"SYSMMU_MFC_R"	,
};

typedef enum s5pv310_sysmmu_ips sysmmu_ips;

struct sysmmu_tt_info {
	unsigned long *pgd;
	unsigned long pgd_paddr;
	unsigned long *pte;
};

struct sysmmu_controller {
	const char		*name;

	/* channels registers */
	void __iomem		*regs;

	/* channel irq */
	unsigned int		irq;

	sysmmu_ips		ips;

	/* Translation Table Info. */
	struct sysmmu_tt_info	*tt_info;

	struct resource		*mem;
	struct device		*dev;

	/* SysMMU controller enable - true : enable */
	bool			enable;
};

/**
 * s5p_sysmmu_enable() - enable system mmu of ip
 * @ips: The ip connected system mmu.
 *
 * This function enable system mmu to transfer address
 * from virtual address to physical address
 */
int s5p_sysmmu_enable(sysmmu_ips ips);

/**
 * s5p_sysmmu_disable() - disable sysmmu mmu of ip
 * @ips: The ip connected system mmu.
 *
 * This function disable system mmu to transfer address
 * from virtual address to physical address
 */
int s5p_sysmmu_disable(sysmmu_ips ips);

/**
 * s5p_sysmmu_set_tablebase_pgd() - set page table base address to refer page table
 * @ips: The ip connected system mmu.
 * @pgd: The page table base address.
 *
 * This function set page table base address
 * When system mmu transfer address from virtaul address to physical address,
 * system mmu refer address information from page table
 */
int s5p_sysmmu_set_tablebase_pgd(sysmmu_ips ips, unsigned long pgd);

/**
 * s5p_sysmmu_tlb_invalidate() - flush all TLB entry in system mmu
 * @ips: The ip connected system mmu.
 *
 * This function flush all TLB entry in system mmu
 */
int s5p_sysmmu_tlb_invalidate(sysmmu_ips ips);
#endif /* __ASM_ARM_ARCH_SYSMMU_H */
Commit	Line	Data
b55f685e DR	1	/* linux/arch/arm/mach-s5pv310/include/mach/sysmmu.h
	2	*
	3	* Copyright (c) 2010 Samsung Electronics Co., Ltd.
	4	* http://www.samsung.com/
	5	*
	6	* Samsung sysmmu driver for S5PV310
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License version 2 as
	10	* published by the Free Software Foundation.
	11	*/
	12
	13	#ifndef __ASM_ARM_ARCH_SYSMMU_H
	14	#define __ASM_ARM_ARCH_SYSMMU_H __FILE__
	15
40194521 KK	16	#define S5PV310_SYSMMU_TOTAL_IPNUM 16
	17	#define S5P_SYSMMU_TOTAL_IPNUM S5PV310_SYSMMU_TOTAL_IPNUM
	18
b55f685e DR	19	enum s5pv310_sysmmu_ips {
	20	SYSMMU_MDMA,
	21	SYSMMU_SSS,
	22	SYSMMU_FIMC0,
	23	SYSMMU_FIMC1,
	24	SYSMMU_FIMC2,
	25	SYSMMU_FIMC3,
	26	SYSMMU_JPEG,
	27	SYSMMU_FIMD0,
	28	SYSMMU_FIMD1,
	29	SYSMMU_PCIe,
	30	SYSMMU_G2D,
	31	SYSMMU_ROTATOR,
	32	SYSMMU_MDMA2,
	33	SYSMMU_TV,
	34	SYSMMU_MFC_L,
	35	SYSMMU_MFC_R,
	36	};
	37
40194521	38	static char *sysmmu_ips_name[S5PV310_SYSMMU_TOTAL_IPNUM] = {
b55f685e DR	39	"SYSMMU_MDMA" ,
	40	"SYSMMU_SSS" ,
	41	"SYSMMU_FIMC0" ,
	42	"SYSMMU_FIMC1" ,
	43	"SYSMMU_FIMC2" ,
	44	"SYSMMU_FIMC3" ,
	45	"SYSMMU_JPEG" ,
	46	"SYSMMU_FIMD0" ,
	47	"SYSMMU_FIMD1" ,
	48	"SYSMMU_PCIe" ,
	49	"SYSMMU_G2D" ,
	50	"SYSMMU_ROTATOR",
	51	"SYSMMU_MDMA2" ,
	52	"SYSMMU_TV" ,
	53	"SYSMMU_MFC_L" ,
	54	"SYSMMU_MFC_R" ,
	55	};
	56
	57	typedef enum s5pv310_sysmmu_ips sysmmu_ips;
	58
	59	struct sysmmu_tt_info {
	60	unsigned long *pgd;
	61	unsigned long pgd_paddr;
	62	unsigned long *pte;
	63	};
	64
	65	struct sysmmu_controller {
	66	const char *name;
	67
	68	/* channels registers */
	69	void __iomem *regs;
	70
	71	/* channel irq */
	72	unsigned int irq;
	73
	74	sysmmu_ips ips;
	75
	76	/* Translation Table Info. */
	77	struct sysmmu_tt_info *tt_info;
	78
	79	struct resource *mem;
	80	struct device *dev;
	81
	82	/* SysMMU controller enable - true : enable */
	83	bool enable;
	84	};
	85
	86	/**
	87	* s5p_sysmmu_enable() - enable system mmu of ip
	88	* @ips: The ip connected system mmu.
	89	*
	90	* This function enable system mmu to transfer address
	91	* from virtual address to physical address
	92	*/
	93	int s5p_sysmmu_enable(sysmmu_ips ips);
	94
	95	/**
	96	* s5p_sysmmu_disable() - disable sysmmu mmu of ip
	97	* @ips: The ip connected system mmu.
	98	*
	99	* This function disable system mmu to transfer address
	100	* from virtual address to physical address
	101	*/
	102	int s5p_sysmmu_disable(sysmmu_ips ips);
103
104	/**
105	* s5p_sysmmu_set_tablebase_pgd() - set page table base address to refer page table
106	* @ips: The ip connected system mmu.
107	* @pgd: The page table base address.
108	*
109	* This function set page table base address
110	* When system mmu transfer address from virtaul address to physical address,
111	* system mmu refer address information from page table
112	*/
113	int s5p_sysmmu_set_tablebase_pgd(sysmmu_ips ips, unsigned long pgd);
114
115	/**
116	* s5p_sysmmu_tlb_invalidate() - flush all TLB entry in system mmu
117	* @ips: The ip connected system mmu.
118	*
119	* This function flush all TLB entry in system mmu
120	*/
121	int s5p_sysmmu_tlb_invalidate(sysmmu_ips ips);
122	#endif /* __ASM_ARM_ARCH_SYSMMU_H */