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 <plat/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 OMAP44XX_NR_MMC 5
29 #define OMAP2420_MMC_SIZE OMAP1_MMC_SIZE
30 #define OMAP3_HSMMC_SIZE 0x200
31 #define OMAP4_HSMMC_SIZE 0x1000
32 #define OMAP2_MMC1_BASE 0x4809c000
33 #define OMAP2_MMC2_BASE 0x480b4000
34 #define OMAP3_MMC3_BASE 0x480ad000
35 #define OMAP4_MMC4_BASE 0x480d1000
36 #define OMAP4_MMC5_BASE 0x480d5000
37 #define OMAP4_MMC_REG_OFFSET 0x100
38 #define HSMMC5 (1 << 4)
39 #define HSMMC4 (1 << 3)
40 #define HSMMC3 (1 << 2)
41 #define HSMMC2 (1 << 1)
42 #define HSMMC1 (1 << 0)
44 #define OMAP_MMC_MAX_SLOTS 2
46 struct omap_mmc_platform_data {
47 /* back-link to device */
50 /* number of slots per controller */
53 /* set if your board has components or wiring that limits the
54 * maximum frequency on the MMC bus */
55 unsigned int max_freq;
57 /* switch the bus to a new slot */
58 int (*switch_slot)(struct device *dev, int slot);
59 /* initialize board-specific MMC functionality, can be NULL if
61 int (*init)(struct device *dev);
62 void (*cleanup)(struct device *dev);
63 void (*shutdown)(struct device *dev);
65 /* To handle board related suspend/resume functionality for MMC */
66 int (*suspend)(struct device *dev, int slot);
67 int (*resume)(struct device *dev, int slot);
69 /* Return context loss count due to PM states changing */
70 int (*get_context_loss_count)(struct device *dev);
74 struct omap_mmc_slot_data {
76 /* 4/8 wires and any additional host capabilities
77 * need to OR'd all capabilities (ref. linux/mmc/host.h) */
81 * nomux means "standard" muxing is wrong on this board, and
82 * that board-specific code handled it before common init logic.
86 /* switch pin can be for card detect (default) or card cover */
89 /* use the internal clock */
90 unsigned internal_clock:1;
92 /* nonremovable e.g. eMMC */
93 unsigned nonremovable:1;
95 /* Try to sleep or power off when possible */
96 unsigned power_saving:1;
98 /* If using power_saving and the MMC power is not to go off */
101 /* Regulator off remapped to sleep */
102 unsigned vcc_aux_disable_is_sleep:1;
104 /* we can put the features above into this variable */
105 #define HSMMC_HAS_PBIAS (1 << 0)
108 int switch_pin; /* gpio (card detect) */
109 int gpio_wp; /* gpio (write protect) */
111 int (*set_bus_mode)(struct device *dev, int slot, int bus_mode);
112 int (*set_power)(struct device *dev, int slot,
113 int power_on, int vdd);
114 int (*get_ro)(struct device *dev, int slot);
115 int (*set_sleep)(struct device *dev, int slot, int sleep,
116 int vdd, int cardsleep);
117 void (*remux)(struct device *dev, int slot, int power_on);
118 /* Call back before enabling / disabling regulators */
119 void (*before_set_reg)(struct device *dev, int slot,
120 int power_on, int vdd);
121 /* Call back after enabling / disabling regulators */
122 void (*after_set_reg)(struct device *dev, int slot,
123 int power_on, int vdd);
124 /* if we have special card, init it using this callback */
125 void (*init_card)(struct mmc_card *card);
127 /* return MMC cover switch state, can be NULL if not supported.
129 * possible return values:
133 int (*get_cover_state)(struct device *dev, int slot);
138 /* Card detection IRQs */
140 int (*card_detect)(struct device *dev, int slot);
142 unsigned int ban_openended:1;
144 } slots[OMAP_MMC_MAX_SLOTS];
147 /* called from board-specific card detection service routine */
148 extern void omap_mmc_notify_cover_event(struct device *dev, int slot,
151 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \
152 defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
153 void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
155 void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
157 int omap_mmc_add(const char *name, int id, unsigned long base,
158 unsigned long size, unsigned int irq,
159 struct omap_mmc_platform_data *data);
161 static inline void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
165 static inline void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
169 static inline int omap_mmc_add(const char *name, int id, unsigned long base,
170 unsigned long size, unsigned int irq,
171 struct omap_mmc_platform_data *data)