[mirror_ubuntu-zesty-kernel.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 OMAP2420_MMC_SIZE	OMAP1_MMC_SIZE
#define HSMMC_SIZE		0x200
#define OMAP2_MMC1_BASE		0x4809c000
#define OMAP2_MMC2_BASE		0x480b4000
#define OMAP3_MMC3_BASE		0x480ad000
#define HSMMC3			(1 << 2)
#define HSMMC2			(1 << 1)
#define HSMMC1			(1 << 0)

#define OMAP_MMC_MAX_SLOTS	2

struct omap_mmc_platform_data {

	/* 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);

	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;
		s16 power_pin;

		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);

		/* 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(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(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
	28	#define OMAP2420_MMC_SIZE OMAP1_MMC_SIZE
	29	#define HSMMC_SIZE 0x200
	30	#define OMAP2_MMC1_BASE 0x4809c000
	31	#define OMAP2_MMC2_BASE 0x480b4000
	32	#define OMAP3_MMC3_BASE 0x480ad000
	33	#define HSMMC3 (1 << 2)
	34	#define HSMMC2 (1 << 1)
	35	#define HSMMC1 (1 << 0)
	36
8777297b KS	37	#define OMAP_MMC_MAX_SLOTS 2
	38
	39	struct omap_mmc_platform_data {
abfbe5f7	40
d8874665	41	/* number of slots per controller */
8777297b	42	unsigned nr_slots:2;
0a4b53a2	43
8777297b KS	44	/* set if your board has components or wiring that limits the
	45	* maximum frequency on the MMC bus */
	46	unsigned int max_freq;
	47
	48	/* switch the bus to a new slot */
	49	int (* switch_slot)(struct device *dev, int slot);
	50	/* initialize board-specific MMC functionality, can be NULL if
	51	* not supported */
	52	int (* init)(struct device *dev);
	53	void (* cleanup)(struct device *dev);
0a4b53a2 TL	54	void (* shutdown)(struct device *dev);
	55
	56	/* To handle board related suspend/resume functionality for MMC */
	57	int (suspend)(struct device dev, int slot);
	58	int (resume)(struct device dev, int slot);
8777297b	59
d8874665 TL	60	u64 dma_mask;
d8874665 TL	61
8777297b	62	struct omap_mmc_slot_data {
d8874665	63
90c62bf0 TL	64	/* 4 wire signaling is optional, and is used for SD/SDIO/HSMMC;
	65	* 8 wire signaling is also optional, and is used with HSMMC
	66	*/
	67	u8 wires;
	68
d8874665 TL	69	/*
	70	* nomux means "standard" muxing is wrong on this board, and
	71	* that board-specific code handled it before common init logic.
	72	*/
	73	unsigned nomux:1;
	74
	75	/* switch pin can be for card detect (default) or card cover */
	76	unsigned cover:1;
	77
d8874665 TL	78	/* use the internal clock */
	79	unsigned internal_clock:1;
	80	s16 power_pin;
90c62bf0 TL	81
	82	int switch_pin; /* gpio (card detect) */
	83	int gpio_wp; /* gpio (write protect) */
d8874665	84
8777297b KS	85	int (* set_bus_mode)(struct device *dev, int slot, int bus_mode);
	86	int (* set_power)(struct device *dev, int slot, int power_on, int vdd);
	87	int (* get_ro)(struct device *dev, int slot);
	88
	89	/* return MMC cover switch state, can be NULL if not supported.
	90	*
	91	* possible return values:
d8874665 TL	92	* 0 - closed
d8874665 TL	93	* 1 - open
8777297b KS	94	*/
	95	int (* get_cover_state)(struct device *dev, int slot);
	96
	97	const char *name;
	98	u32 ocr_mask;
0a4b53a2 TL	99
	100	/* Card detection IRQs */
	101	int card_detect_irq;
	102	int (* card_detect)(int irq);
	103
	104	unsigned int ban_openended:1;
	105
8777297b KS	106	} slots[OMAP_MMC_MAX_SLOTS];
	107	};
	108
8777297b	109	/* called from board-specific card detection service routine */
8777297b KS	110	extern void omap_mmc_notify_cover_event(struct device *dev, int slot, int is_closed);
8777297b KS	111
d8874665 TL	112	#if defined(CONFIG_MMC_OMAP) \|\| defined(CONFIG_MMC_OMAP_MODULE) \|\| \
	113	defined(CONFIG_MMC_OMAP_HS) \|\| defined(CONFIG_MMC_OMAP_HS_MODULE)
	114	void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
	115	int nr_controllers);
	116	void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
	117	int nr_controllers);
d8874665 TL	118	int omap_mmc_add(int id, unsigned long base, unsigned long size,
	119	unsigned int irq, struct omap_mmc_platform_data *data);
	120	#else
	121	static inline void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
	122	int nr_controllers)
	123	{
	124	}
	125	static inline void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
	126	int nr_controllers)
	127	{
	128	}
d8874665 TL	129	static inline int omap_mmc_add(int id, unsigned long base, unsigned long size,
	130	unsigned int irq, struct omap_mmc_platform_data *data)
	131	{
	132	return 0;
	133	}
	134
	135	#endif
8777297b	136	#endif