diff options
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 000000000000..b70e37b61242 --- /dev/null +++ b/include/asm-arm/arch-omap/mmc.h | |||
| @@ -0,0 +1,66 @@ | |||
| 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 | ||
