1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
/*
* 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 {
struct omap_mmc_conf conf;
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
|
