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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 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 | ||