| Kai Svahn | 8777297 | 2007-01-26 13:14:34 -0800 | [diff] [blame] | 1 | /* |
| 2 | * MMC definitions for OMAP2 |
| 3 | * |
| 4 | * Copyright (C) 2006 Nokia Corporation |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 as |
| 8 | * published by the Free Software Foundation. |
| 9 | */ |
| 10 | |
| 11 | #ifndef __OMAP2_MMC_H |
| 12 | #define __OMAP2_MMC_H |
| 13 | |
| 14 | #include <linux/types.h> |
| 15 | #include <linux/device.h> |
| 16 | #include <linux/mmc/host.h> |
| 17 | |
| 18 | #define OMAP_MMC_MAX_SLOTS 2 |
| 19 | |
| 20 | struct omap_mmc_platform_data { |
| 21 | unsigned enabled:1; |
| 22 | /* number of slots on board */ |
| 23 | unsigned nr_slots:2; |
| 24 | /* nomux means "standard" muxing is wrong on this board, and that |
| 25 | * board-specific code handled it before common init logic. |
| 26 | */ |
| 27 | unsigned nomux:1; |
| 28 | /* 4 wire signaling is optional, and is only used for SD/SDIO and |
| 29 | * MMCv4 */ |
| 30 | unsigned wire4:1; |
| 31 | /* set if your board has components or wiring that limits the |
| 32 | * maximum frequency on the MMC bus */ |
| 33 | unsigned int max_freq; |
| 34 | |
| 35 | /* switch the bus to a new slot */ |
| 36 | int (* switch_slot)(struct device *dev, int slot); |
| 37 | /* initialize board-specific MMC functionality, can be NULL if |
| 38 | * not supported */ |
| 39 | int (* init)(struct device *dev); |
| 40 | void (* cleanup)(struct device *dev); |
| 41 | |
| 42 | struct omap_mmc_slot_data { |
| 43 | int (* set_bus_mode)(struct device *dev, int slot, int bus_mode); |
| 44 | int (* set_power)(struct device *dev, int slot, int power_on, int vdd); |
| 45 | int (* get_ro)(struct device *dev, int slot); |
| 46 | |
| 47 | /* return MMC cover switch state, can be NULL if not supported. |
| 48 | * |
| 49 | * possible return values: |
| 50 | * 0 - open |
| 51 | * 1 - closed |
| 52 | */ |
| 53 | int (* get_cover_state)(struct device *dev, int slot); |
| 54 | |
| 55 | const char *name; |
| 56 | u32 ocr_mask; |
| 57 | } slots[OMAP_MMC_MAX_SLOTS]; |
| 58 | }; |
| 59 | |
| 60 | extern void omap_set_mmc_info(int host, const struct omap_mmc_platform_data *info); |
| 61 | |
| 62 | /* called from board-specific card detection service routine */ |
| 63 | extern void omap_mmc_notify_card_detect(struct device *dev, int slot, int detected); |
| 64 | extern void omap_mmc_notify_cover_event(struct device *dev, int slot, int is_closed); |
| 65 | |
| 66 | #endif |