projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 8777297b KS |
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 | ||
| a09e64fb | 18 | #include <mach/board.h> |
| 0a4b53a2 | 19 | |
| d8874665 TL |
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 */ | |
| 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 | ||
| 8777297b KS |
37 | #define OMAP_MMC_MAX_SLOTS 2 |
| 38 | ||
| 39 | struct omap_mmc_platform_data { | |
| 01971f65 DB |
40 | /* back-link to device */ |
| 41 | struct device *dev; | |
| abfbe5f7 | 42 | |
| d8874665 | 43 | /* number of slots per controller */ |
| 8777297b | 44 | unsigned nr_slots:2; |
| 0a4b53a2 | 45 | |
| 8777297b KS |
46 | /* set if your board has components or wiring that limits the |
| 47 | * maximum frequency on the MMC bus */ | |
| 48 | unsigned int max_freq; | |
| 49 | ||
| 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 | |
| 53 | * not supported */ | |
| 54 | int (* init)(struct device *dev); | |
| 55 | void (* cleanup)(struct device *dev); | |
| 0a4b53a2 TL |
56 | void (* shutdown)(struct device *dev); |
| 57 | ||
| 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); | |
| 8777297b | 61 | |
| d8874665 TL |
62 | u64 dma_mask; |
| 63 | ||
| 8777297b | 64 | struct omap_mmc_slot_data { |
| d8874665 | 65 | |
| 90c62bf0 TL |
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 | |
| 68 | */ | |
| 69 | u8 wires; | |
| 70 | ||
| d8874665 TL |
71 | /* |
| 72 | * nomux means "standard" muxing is wrong on this board, and | |
| 73 | * that board-specific code handled it before common init logic. | |
| 74 | */ | |
| 75 | unsigned nomux:1; | |
| 76 | ||
| 77 | /* switch pin can be for card detect (default) or card cover */ | |
| 78 | unsigned cover:1; | |
| 79 | ||
| d8874665 TL |
80 | /* use the internal clock */ |
| 81 | unsigned internal_clock:1; | |
| 90c62bf0 TL |
82 | |
| 83 | int switch_pin; /* gpio (card detect) */ | |
| 84 | int gpio_wp; /* gpio (write protect) */ | |
| d8874665 | 85 | |
| 8777297b KS |
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); | |
| 89 | ||
| 90 | /* return MMC cover switch state, can be NULL if not supported. | |
| 91 | * | |
| 92 | * possible return values: | |
| d8874665 TL |
93 | * 0 - closed |
| 94 | * 1 - open | |
| 8777297b KS |
95 | */ |
| 96 | int (* get_cover_state)(struct device *dev, int slot); | |
| 97 | ||
| 98 | const char *name; | |
| 99 | u32 ocr_mask; | |
| 0a4b53a2 TL |
100 | |
| 101 | /* Card detection IRQs */ | |
| 102 | int card_detect_irq; | |
| 103 | int (* card_detect)(int irq); | |
| 104 | ||
| 105 | unsigned int ban_openended:1; | |
| 106 | ||
| 8777297b KS |
107 | } slots[OMAP_MMC_MAX_SLOTS]; |
| 108 | }; | |
| 109 | ||
| 8777297b | 110 | /* called from board-specific card detection service routine */ |
| 8777297b KS |
111 | extern void omap_mmc_notify_cover_event(struct device *dev, int slot, int is_closed); |
| 112 | ||
| d8874665 TL |
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, | |
| 116 | int nr_controllers); | |
| 117 | void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data, | |
| 118 | int nr_controllers); | |
| 0dffb5c5 TL |
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); | |
| d8874665 TL |
122 | #else |
| 123 | static inline void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data, | |
| 124 | int nr_controllers) | |
| 125 | { | |
| 126 | } | |
| 127 | static inline void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data, | |
| 128 | int nr_controllers) | |
| 129 | { | |
| 130 | } | |
| 0dffb5c5 TL |
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) | |
| d8874665 TL |
134 | { |
| 135 | return 0; | |
| 136 | } | |
| 137 | ||
| 138 | #endif | |
| 8777297b | 139 | #endif |