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/*
* 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 {
/* 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
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