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67 lines
1.9 KiB
67 lines
1.9 KiB
18 years ago
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/*
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* MMC definitions for OMAP2
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*
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* Copyright (C) 2006 Nokia Corporation
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __OMAP2_MMC_H
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#define __OMAP2_MMC_H
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#include <linux/types.h>
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#include <linux/device.h>
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#include <linux/mmc/host.h>
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#define OMAP_MMC_MAX_SLOTS 2
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struct omap_mmc_platform_data {
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unsigned enabled:1;
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/* number of slots on board */
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unsigned nr_slots:2;
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/* nomux means "standard" muxing is wrong on this board, and that
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* board-specific code handled it before common init logic.
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*/
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unsigned nomux:1;
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/* 4 wire signaling is optional, and is only used for SD/SDIO and
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* MMCv4 */
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unsigned wire4:1;
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/* set if your board has components or wiring that limits the
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* maximum frequency on the MMC bus */
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unsigned int max_freq;
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/* switch the bus to a new slot */
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int (* switch_slot)(struct device *dev, int slot);
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/* initialize board-specific MMC functionality, can be NULL if
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* not supported */
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int (* init)(struct device *dev);
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void (* cleanup)(struct device *dev);
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struct omap_mmc_slot_data {
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int (* set_bus_mode)(struct device *dev, int slot, int bus_mode);
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int (* set_power)(struct device *dev, int slot, int power_on, int vdd);
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int (* get_ro)(struct device *dev, int slot);
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/* return MMC cover switch state, can be NULL if not supported.
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*
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* possible return values:
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* 0 - open
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* 1 - closed
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*/
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int (* get_cover_state)(struct device *dev, int slot);
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const char *name;
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u32 ocr_mask;
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} slots[OMAP_MMC_MAX_SLOTS];
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};
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extern void omap_set_mmc_info(int host, const struct omap_mmc_platform_data *info);
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/* called from board-specific card detection service routine */
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extern void omap_mmc_notify_card_detect(struct device *dev, int slot, int detected);
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extern void omap_mmc_notify_cover_event(struct device *dev, int slot, int is_closed);
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#endif
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