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Diffstat (limited to 'include/asm-arm/arch-omap/mmc.h')
-rw-r--r-- | include/asm-arm/arch-omap/mmc.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/include/asm-arm/arch-omap/mmc.h b/include/asm-arm/arch-omap/mmc.h new file mode 100644 index 00000000000..b70e37b6124 --- /dev/null +++ b/include/asm-arm/arch-omap/mmc.h @@ -0,0 +1,66 @@ +/* + * 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> + +#define OMAP_MMC_MAX_SLOTS 2 + +struct omap_mmc_platform_data { + unsigned enabled:1; + /* number of slots on board */ + unsigned nr_slots:2; + /* nomux means "standard" muxing is wrong on this board, and that + * board-specific code handled it before common init logic. + */ + unsigned nomux:1; + /* 4 wire signaling is optional, and is only used for SD/SDIO and + * MMCv4 */ + unsigned wire4:1; + /* 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); + + 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; + } 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_card_detect(struct device *dev, int slot, int detected); +extern void omap_mmc_notify_cover_event(struct device *dev, int slot, int is_closed); + +#endif |