2 * MMC definitions for OMAP2
4 * Copyright (C) 2006 Nokia Corporation
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.
14 #include <linux/types.h>
15 #include <linux/device.h>
16 #include <linux/mmc/host.h>
18 #include <mach/board.h>
20 #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 */
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)
37 #define OMAP_MMC_MAX_SLOTS 2
39 struct omap_mmc_platform_data {
40 /* back-link to device */
43 /* number of slots per controller */
46 /* set if your board has components or wiring that limits the
47 * maximum frequency on the MMC bus */
48 unsigned int max_freq;
50 /* switch the bus to a new slot */
51 int (* switch_slot)(struct device *dev, int slot);
52 /* initialize board-specific MMC functionality, can be NULL if
54 int (* init)(struct device *dev);
55 void (* cleanup)(struct device *dev);
56 void (* shutdown)(struct device *dev);
58 /* To handle board related suspend/resume functionality for MMC */
59 int (*suspend)(struct device *dev, int slot);
60 int (*resume)(struct device *dev, int slot);
64 struct omap_mmc_slot_data {
66 /* 4 wire signaling is optional, and is used for SD/SDIO/HSMMC;
67 * 8 wire signaling is also optional, and is used with HSMMC
72 * nomux means "standard" muxing is wrong on this board, and
73 * that board-specific code handled it before common init logic.
77 /* switch pin can be for card detect (default) or card cover */
80 /* use the internal clock */
81 unsigned internal_clock:1;
83 int switch_pin; /* gpio (card detect) */
84 int gpio_wp; /* gpio (write protect) */
86 int (* set_bus_mode)(struct device *dev, int slot, int bus_mode);
87 int (* set_power)(struct device *dev, int slot, int power_on, int vdd);
88 int (* get_ro)(struct device *dev, int slot);
90 /* return MMC cover switch state, can be NULL if not supported.
92 * possible return values:
96 int (* get_cover_state)(struct device *dev, int slot);
101 /* Card detection IRQs */
103 int (* card_detect)(int irq);
105 unsigned int ban_openended:1;
107 } slots[OMAP_MMC_MAX_SLOTS];
110 /* called from board-specific card detection service routine */
111 extern void omap_mmc_notify_cover_event(struct device *dev, int slot, int is_closed);
113 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \
114 defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
115 void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
117 void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
119 int omap_mmc_add(const char *name, int id, unsigned long base,
120 unsigned long size, unsigned int irq,
121 struct omap_mmc_platform_data *data);
123 static inline void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
127 static inline void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
131 static inline int omap_mmc_add(const char *name, int id, unsigned long base,
132 unsigned long size, unsigned int irq,
133 struct omap_mmc_platform_data *data)