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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 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

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