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-rw-r--r--include/asm-arm/arch-omap/mmc.h66
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
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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
20struct 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
60extern void omap_set_mmc_info(int host, const struct omap_mmc_platform_data *info);
61
62/* called from board-specific card detection service routine */
63extern void omap_mmc_notify_card_detect(struct device *dev, int slot, int detected);
64extern void omap_mmc_notify_cover_event(struct device *dev, int slot, int is_closed);
65
66#endif