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Russell Kinga09e64f2008-08-05 16:14:15 +01001/*
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#include <mach/board.h>
19
Tony Lindgrend8874662008-12-10 17:37:16 -080020#define OMAP15XX_NR_MMC 1
21#define OMAP16XX_NR_MMC 2
22#define OMAP1_MMC_SIZE 0x080
23#define OMAP1_MMC1_BASE 0xfffb7800
24#define OMAP1_MMC2_BASE 0xfffb7c00 /* omap16xx only */
25
26#define OMAP24XX_NR_MMC 2
27#define OMAP34XX_NR_MMC 3
28#define OMAP2420_MMC_SIZE OMAP1_MMC_SIZE
29#define HSMMC_SIZE 0x200
30#define OMAP2_MMC1_BASE 0x4809c000
31#define OMAP2_MMC2_BASE 0x480b4000
32#define OMAP3_MMC3_BASE 0x480ad000
33#define HSMMC3 (1 << 2)
34#define HSMMC2 (1 << 1)
35#define HSMMC1 (1 << 0)
36
Russell Kinga09e64f2008-08-05 16:14:15 +010037#define OMAP_MMC_MAX_SLOTS 2
38
39struct omap_mmc_platform_data {
Russell Kinga09e64f2008-08-05 16:14:15 +010040
Tony Lindgrend8874662008-12-10 17:37:16 -080041 /* number of slots per controller */
Russell Kinga09e64f2008-08-05 16:14:15 +010042 unsigned nr_slots:2;
43
44 /* set if your board has components or wiring that limits the
45 * maximum frequency on the MMC bus */
46 unsigned int max_freq;
47
48 /* switch the bus to a new slot */
49 int (* switch_slot)(struct device *dev, int slot);
50 /* initialize board-specific MMC functionality, can be NULL if
51 * not supported */
52 int (* init)(struct device *dev);
53 void (* cleanup)(struct device *dev);
54 void (* shutdown)(struct device *dev);
55
56 /* To handle board related suspend/resume functionality for MMC */
57 int (*suspend)(struct device *dev, int slot);
58 int (*resume)(struct device *dev, int slot);
59
Tony Lindgrend8874662008-12-10 17:37:16 -080060 u64 dma_mask;
61
Russell Kinga09e64f2008-08-05 16:14:15 +010062 struct omap_mmc_slot_data {
Tony Lindgrend8874662008-12-10 17:37:16 -080063
64 /*
65 * nomux means "standard" muxing is wrong on this board, and
66 * that board-specific code handled it before common init logic.
67 */
68 unsigned nomux:1;
69
70 /* switch pin can be for card detect (default) or card cover */
71 unsigned cover:1;
72
73 /* 4 wire signaling is optional, and is only used for SD/SDIO */
74 unsigned wire4:1;
75
76 /* use the internal clock */
77 unsigned internal_clock:1;
78 s16 power_pin;
79 s16 switch_pin;
80
Russell Kinga09e64f2008-08-05 16:14:15 +010081 int (* set_bus_mode)(struct device *dev, int slot, int bus_mode);
82 int (* set_power)(struct device *dev, int slot, int power_on, int vdd);
83 int (* get_ro)(struct device *dev, int slot);
84
85 /* return MMC cover switch state, can be NULL if not supported.
86 *
87 * possible return values:
Tony Lindgrend8874662008-12-10 17:37:16 -080088 * 0 - closed
89 * 1 - open
Russell Kinga09e64f2008-08-05 16:14:15 +010090 */
91 int (* get_cover_state)(struct device *dev, int slot);
92
93 const char *name;
94 u32 ocr_mask;
95
96 /* Card detection IRQs */
97 int card_detect_irq;
98 int (* card_detect)(int irq);
99
100 unsigned int ban_openended:1;
101
102 } slots[OMAP_MMC_MAX_SLOTS];
103};
104
Russell Kinga09e64f2008-08-05 16:14:15 +0100105/* called from board-specific card detection service routine */
106extern void omap_mmc_notify_cover_event(struct device *dev, int slot, int is_closed);
107
Tony Lindgrend8874662008-12-10 17:37:16 -0800108#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \
109 defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
110void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
111 int nr_controllers);
112void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
113 int nr_controllers);
114void hsmmc_init(int controller_mask);
115int omap_mmc_add(int id, unsigned long base, unsigned long size,
116 unsigned int irq, struct omap_mmc_platform_data *data);
117#else
118static inline void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
119 int nr_controllers)
120{
121}
122static inline void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
123 int nr_controllers)
124{
125}
126static inline void hsmmc_init(int controller_mask)
127{
128}
129static inline int omap_mmc_add(int id, unsigned long base, unsigned long size,
130 unsigned int irq, struct omap_mmc_platform_data *data)
131{
132 return 0;
133}
134
135#endif
Russell Kinga09e64f2008-08-05 16:14:15 +0100136#endif