[linux-block.git] / arch / arm / plat-omap / include / mach / mmc.h

/*
 * MMC definitions for OMAP2
 *
 * Copyright (C) 2006 Nokia Corporation
 *
 * 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 __OMAP2_MMC_H
#define __OMAP2_MMC_H

#include <linux/types.h>
#include <linux/device.h>
#include <linux/mmc/host.h>

#include <mach/board.h>

#define OMAP15XX_NR_MMC		1
#define OMAP16XX_NR_MMC		2
#define OMAP1_MMC_SIZE		0x080
#define OMAP1_MMC1_BASE		0xfffb7800
#define OMAP1_MMC2_BASE		0xfffb7c00	/* omap16xx only */

#define OMAP24XX_NR_MMC		2
#define OMAP34XX_NR_MMC		3
#define OMAP44XX_NR_MMC		5
#define OMAP2420_MMC_SIZE	OMAP1_MMC_SIZE
#define OMAP3_HSMMC_SIZE	0x200
#define OMAP4_HSMMC_SIZE	0x1000
#define OMAP2_MMC1_BASE		0x4809c000
#define OMAP2_MMC2_BASE		0x480b4000
#define OMAP3_MMC3_BASE		0x480ad000
#define OMAP4_MMC4_BASE		0x480d1000
#define OMAP4_MMC5_BASE		0x480d5000
#define OMAP4_MMC_REG_OFFSET	0x100
#define HSMMC5			(1 << 4)
#define HSMMC4			(1 << 3)
#define HSMMC3			(1 << 2)
#define HSMMC2			(1 << 1)
#define HSMMC1			(1 << 0)

#define OMAP_MMC_MAX_SLOTS	2

struct omap_mmc_platform_data {
	/* back-link to device */
	struct device *dev;

	/* number of slots per controller */
	unsigned nr_slots:2;

	/* set if your board has components or wiring that limits the
	 * maximum frequency on the MMC bus */
	unsigned int max_freq;

	/* switch the bus to a new slot */
	int (* switch_slot)(struct device *dev, int slot);
	/* initialize board-specific MMC functionality, can be NULL if
	 * not supported */
	int (* init)(struct device *dev);
	void (* cleanup)(struct device *dev);
	void (* shutdown)(struct device *dev);

	/* To handle board related suspend/resume functionality for MMC */
	int (*suspend)(struct device *dev, int slot);
	int (*resume)(struct device *dev, int slot);

	/* Return context loss count due to PM states changing */
	int (*get_context_loss_count)(struct device *dev);

	u64 dma_mask;

	struct omap_mmc_slot_data {

		/* 4 wire signaling is optional, and is used for SD/SDIO/HSMMC;
		 * 8 wire signaling is also optional, and is used with HSMMC
		 */
		u8 wires;

		/*
		 * nomux means "standard" muxing is wrong on this board, and
		 * that board-specific code handled it before common init logic.
		 */
		unsigned nomux:1;

		/* switch pin can be for card detect (default) or card cover */
		unsigned cover:1;

		/* use the internal clock */
		unsigned internal_clock:1;

		/* nonremovable e.g. eMMC */
		unsigned nonremovable:1;

		/* Try to sleep or power off when possible */
		unsigned power_saving:1;

		int switch_pin;			/* gpio (card detect) */
		int gpio_wp;			/* gpio (write protect) */

		int (* set_bus_mode)(struct device *dev, int slot, int bus_mode);
		int (* set_power)(struct device *dev, int slot, int power_on, int vdd);
		int (* get_ro)(struct device *dev, int slot);
		int (*set_sleep)(struct device *dev, int slot, int sleep,
				 int vdd, int cardsleep);

		/* return MMC cover switch state, can be NULL if not supported.
		 *
		 * possible return values:
		 *   0 - closed
		 *   1 - open
		 */
		int (* get_cover_state)(struct device *dev, int slot);

		const char *name;
		u32 ocr_mask;

		/* Card detection IRQs */
		int card_detect_irq;
		int (* card_detect)(int irq);

		unsigned int ban_openended:1;

	} slots[OMAP_MMC_MAX_SLOTS];
};

/* called from board-specific card detection service routine */
extern void omap_mmc_notify_cover_event(struct device *dev, int slot, int is_closed);

#if	defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \
	defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
				int nr_controllers);
void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
				int nr_controllers);
int omap_mmc_add(const char *name, int id, unsigned long base,
				unsigned long size, unsigned int irq,
				struct omap_mmc_platform_data *data);
#else
static inline void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
				int nr_controllers)
{
}
static inline void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
				int nr_controllers)
{
}
static inline int omap_mmc_add(const char *name, int id, unsigned long base,
				unsigned long size, unsigned int irq,
				struct omap_mmc_platform_data *data)
{
	return 0;
}

#endif
#endif
Commit	Line	Data
8777297b KS	1	/*
	2	* MMC definitions for OMAP2
	3	*
	4	* Copyright (C) 2006 Nokia Corporation
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License version 2 as
	8	* published by the Free Software Foundation.
	9	*/
	10
	11	#ifndef __OMAP2_MMC_H
	12	#define __OMAP2_MMC_H
	13
	14	#include <linux/types.h>
	15	#include <linux/device.h>
	16	#include <linux/mmc/host.h>
	17
a09e64fb	18	#include <mach/board.h>
0a4b53a2	19
d8874665 TL	20	#define OMAP15XX_NR_MMC 1
	21	#define OMAP16XX_NR_MMC 2
	22	#define OMAP1_MMC_SIZE 0x080
	23	#define OMAP1_MMC1_BASE 0xfffb7800
	24	#define OMAP1_MMC2_BASE 0xfffb7c00 /* omap16xx only */
	25
	26	#define OMAP24XX_NR_MMC 2
	27	#define OMAP34XX_NR_MMC 3
82cf818d	28	#define OMAP44XX_NR_MMC 5
d8874665	29	#define OMAP2420_MMC_SIZE OMAP1_MMC_SIZE
82cf818d	30	#define OMAP3_HSMMC_SIZE 0x200
82cf818d	31	#define OMAP4_HSMMC_SIZE 0x1000
d8874665 TL	32	#define OMAP2_MMC1_BASE 0x4809c000
	33	#define OMAP2_MMC2_BASE 0x480b4000
	34	#define OMAP3_MMC3_BASE 0x480ad000
82cf818d	35	#define OMAP4_MMC4_BASE 0x480d1000
	36	#define OMAP4_MMC5_BASE 0x480d5000
	37	#define OMAP4_MMC_REG_OFFSET 0x100
	38	#define HSMMC5 (1 << 4)
	39	#define HSMMC4 (1 << 3)
d8874665 TL	40	#define HSMMC3 (1 << 2)
	41	#define HSMMC2 (1 << 1)
	42	#define HSMMC1 (1 << 0)
	43
8777297b KS	44	#define OMAP_MMC_MAX_SLOTS 2
	45
	46	struct omap_mmc_platform_data {
01971f65 DB	47	/* back-link to device */
01971f65 DB	48	struct device *dev;
abfbe5f7	49
d8874665	50	/* number of slots per controller */
8777297b	51	unsigned nr_slots:2;
0a4b53a2	52
8777297b KS	53	/* set if your board has components or wiring that limits the
	54	* maximum frequency on the MMC bus */
	55	unsigned int max_freq;
	56
	57	/* switch the bus to a new slot */
	58	int (* switch_slot)(struct device *dev, int slot);
	59	/* initialize board-specific MMC functionality, can be NULL if
	60	* not supported */
	61	int (* init)(struct device *dev);
	62	void (* cleanup)(struct device *dev);
0a4b53a2 TL	63	void (* shutdown)(struct device *dev);
	64
	65	/* To handle board related suspend/resume functionality for MMC */
	66	int (suspend)(struct device dev, int slot);
	67	int (resume)(struct device dev, int slot);
8777297b	68
1887bde3 DK	69	/* Return context loss count due to PM states changing */
	70	int (get_context_loss_count)(struct device dev);
	71
d8874665 TL	72	u64 dma_mask;
d8874665 TL	73
8777297b	74	struct omap_mmc_slot_data {
d8874665	75
90c62bf0 TL	76	/* 4 wire signaling is optional, and is used for SD/SDIO/HSMMC;
	77	* 8 wire signaling is also optional, and is used with HSMMC
	78	*/
	79	u8 wires;
	80
d8874665 TL	81	/*
	82	* nomux means "standard" muxing is wrong on this board, and
	83	* that board-specific code handled it before common init logic.
	84	*/
	85	unsigned nomux:1;
	86
	87	/* switch pin can be for card detect (default) or card cover */
	88	unsigned cover:1;
	89
d8874665 TL	90	/* use the internal clock */
d8874665 TL	91	unsigned internal_clock:1;
90c62bf0	92
23d99bb9 AH	93	/* nonremovable e.g. eMMC */
	94	unsigned nonremovable:1;
	95
dd498eff DK	96	/* Try to sleep or power off when possible */
	97	unsigned power_saving:1;
	98
90c62bf0 TL	99	int switch_pin; /* gpio (card detect) */
90c62bf0 TL	100	int gpio_wp; /* gpio (write protect) */
d8874665	101
8777297b KS	102	int (* set_bus_mode)(struct device *dev, int slot, int bus_mode);
	103	int (* set_power)(struct device *dev, int slot, int power_on, int vdd);
	104	int (* get_ro)(struct device *dev, int slot);
9b7c18e0 AH	105	int (set_sleep)(struct device dev, int slot, int sleep,
9b7c18e0 AH	106	int vdd, int cardsleep);
8777297b KS	107
	108	/* return MMC cover switch state, can be NULL if not supported.
	109	*
	110	* possible return values:
d8874665 TL	111	* 0 - closed
d8874665 TL	112	* 1 - open
8777297b KS	113	*/
	114	int (* get_cover_state)(struct device *dev, int slot);
	115
	116	const char *name;
	117	u32 ocr_mask;
0a4b53a2 TL	118
	119	/* Card detection IRQs */
	120	int card_detect_irq;
	121	int (* card_detect)(int irq);
	122
	123	unsigned int ban_openended:1;
	124
8777297b KS	125	} slots[OMAP_MMC_MAX_SLOTS];
	126	};
	127
8777297b	128	/* called from board-specific card detection service routine */
8777297b KS	129	extern void omap_mmc_notify_cover_event(struct device *dev, int slot, int is_closed);
8777297b KS	130
d8874665 TL	131	#if defined(CONFIG_MMC_OMAP) \|\| defined(CONFIG_MMC_OMAP_MODULE) \|\| \
	132	defined(CONFIG_MMC_OMAP_HS) \|\| defined(CONFIG_MMC_OMAP_HS_MODULE)
	133	void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
	134	int nr_controllers);
	135	void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
	136	int nr_controllers);
0dffb5c5 TL	137	int omap_mmc_add(const char *name, int id, unsigned long base,
	138	unsigned long size, unsigned int irq,
	139	struct omap_mmc_platform_data *data);
d8874665 TL	140	#else
	141	static inline void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
	142	int nr_controllers)
	143	{
	144	}
	145	static inline void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
	146	int nr_controllers)
	147	{
	148	}
0dffb5c5 TL	149	static inline int omap_mmc_add(const char *name, int id, unsigned long base,
	150	unsigned long size, unsigned int irq,
	151	struct omap_mmc_platform_data *data)
d8874665 TL	152	{
	153	return 0;
	154	}
	155
	156	#endif
8777297b	157	#endif