75 lines
2.0 KiB
C
75 lines
2.0 KiB
C
/*
|
|
* 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 <asm/arch/board.h>
|
|
|
|
#define OMAP_MMC_MAX_SLOTS 2
|
|
|
|
struct omap_mmc_platform_data {
|
|
struct omap_mmc_conf conf;
|
|
|
|
/* number of slots on board */
|
|
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);
|
|
|
|
struct omap_mmc_slot_data {
|
|
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 - open
|
|
* 1 - closed
|
|
*/
|
|
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];
|
|
};
|
|
|
|
extern void omap_set_mmc_info(int host, const struct omap_mmc_platform_data *info);
|
|
|
|
/* called from board-specific card detection service routine */
|
|
extern void omap_mmc_notify_cover_event(struct device *dev, int slot, int is_closed);
|
|
|
|
#endif
|