Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 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 | |
Tony Lindgren | ce491cf | 2009-10-20 09:40:47 -0700 | [diff] [blame^] | 18 | #include <plat/board.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 19 | |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 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 |
kishore kadiyala | 82cf818 | 2009-09-22 16:45:25 -0700 | [diff] [blame] | 28 | #define OMAP44XX_NR_MMC 5 |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 29 | #define OMAP2420_MMC_SIZE OMAP1_MMC_SIZE |
kishore kadiyala | 82cf818 | 2009-09-22 16:45:25 -0700 | [diff] [blame] | 30 | #define OMAP3_HSMMC_SIZE 0x200 |
| 31 | #define OMAP4_HSMMC_SIZE 0x1000 |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 32 | #define OMAP2_MMC1_BASE 0x4809c000 |
| 33 | #define OMAP2_MMC2_BASE 0x480b4000 |
| 34 | #define OMAP3_MMC3_BASE 0x480ad000 |
kishore kadiyala | 82cf818 | 2009-09-22 16:45:25 -0700 | [diff] [blame] | 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) |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 40 | #define HSMMC3 (1 << 2) |
| 41 | #define HSMMC2 (1 << 1) |
| 42 | #define HSMMC1 (1 << 0) |
| 43 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 44 | #define OMAP_MMC_MAX_SLOTS 2 |
| 45 | |
| 46 | struct omap_mmc_platform_data { |
David Brownell | 01971f6 | 2009-03-23 18:23:47 -0700 | [diff] [blame] | 47 | /* back-link to device */ |
| 48 | struct device *dev; |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 49 | |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 50 | /* number of slots per controller */ |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 51 | unsigned nr_slots:2; |
| 52 | |
| 53 | /* set if your board has components or wiring that limits the |
| 54 | * maximum frequency on the MMC bus */ |
| 55 | unsigned int max_freq; |
| 56 | |
| 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 |
| 60 | * not supported */ |
| 61 | int (* init)(struct device *dev); |
| 62 | void (* cleanup)(struct device *dev); |
| 63 | void (* shutdown)(struct device *dev); |
| 64 | |
| 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); |
| 68 | |
Denis Karpov | 1887bde | 2009-09-22 16:44:40 -0700 | [diff] [blame] | 69 | /* Return context loss count due to PM states changing */ |
| 70 | int (*get_context_loss_count)(struct device *dev); |
| 71 | |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 72 | u64 dma_mask; |
| 73 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 74 | struct omap_mmc_slot_data { |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 75 | |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 76 | /* 4 wire signaling is optional, and is used for SD/SDIO/HSMMC; |
| 77 | * 8 wire signaling is also optional, and is used with HSMMC |
| 78 | */ |
| 79 | u8 wires; |
| 80 | |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 81 | /* |
| 82 | * nomux means "standard" muxing is wrong on this board, and |
| 83 | * that board-specific code handled it before common init logic. |
| 84 | */ |
| 85 | unsigned nomux:1; |
| 86 | |
| 87 | /* switch pin can be for card detect (default) or card cover */ |
| 88 | unsigned cover:1; |
| 89 | |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 90 | /* use the internal clock */ |
| 91 | unsigned internal_clock:1; |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 92 | |
Adrian Hunter | 23d99bb | 2009-09-22 16:44:48 -0700 | [diff] [blame] | 93 | /* nonremovable e.g. eMMC */ |
| 94 | unsigned nonremovable:1; |
| 95 | |
Denis Karpov | dd498ef | 2009-09-22 16:44:49 -0700 | [diff] [blame] | 96 | /* Try to sleep or power off when possible */ |
| 97 | unsigned power_saving:1; |
| 98 | |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 99 | int switch_pin; /* gpio (card detect) */ |
| 100 | int gpio_wp; /* gpio (write protect) */ |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 101 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 102 | int (* set_bus_mode)(struct device *dev, int slot, int bus_mode); |
| 103 | int (* set_power)(struct device *dev, int slot, int power_on, int vdd); |
| 104 | int (* get_ro)(struct device *dev, int slot); |
Adrian Hunter | 9b7c18e | 2009-09-22 16:44:50 -0700 | [diff] [blame] | 105 | int (*set_sleep)(struct device *dev, int slot, int sleep, |
| 106 | int vdd, int cardsleep); |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 107 | |
| 108 | /* return MMC cover switch state, can be NULL if not supported. |
| 109 | * |
| 110 | * possible return values: |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 111 | * 0 - closed |
| 112 | * 1 - open |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 113 | */ |
| 114 | int (* get_cover_state)(struct device *dev, int slot); |
| 115 | |
| 116 | const char *name; |
| 117 | u32 ocr_mask; |
| 118 | |
| 119 | /* Card detection IRQs */ |
| 120 | int card_detect_irq; |
| 121 | int (* card_detect)(int irq); |
| 122 | |
| 123 | unsigned int ban_openended:1; |
| 124 | |
| 125 | } slots[OMAP_MMC_MAX_SLOTS]; |
| 126 | }; |
| 127 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 128 | /* called from board-specific card detection service routine */ |
| 129 | extern void omap_mmc_notify_cover_event(struct device *dev, int slot, int is_closed); |
| 130 | |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 131 | #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \ |
| 132 | defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE) |
| 133 | void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data, |
| 134 | int nr_controllers); |
| 135 | void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data, |
| 136 | int nr_controllers); |
Tony Lindgren | 0dffb5c | 2009-01-29 08:57:16 -0800 | [diff] [blame] | 137 | int omap_mmc_add(const char *name, int id, unsigned long base, |
| 138 | unsigned long size, unsigned int irq, |
| 139 | struct omap_mmc_platform_data *data); |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 140 | #else |
| 141 | static inline void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data, |
| 142 | int nr_controllers) |
| 143 | { |
| 144 | } |
| 145 | static inline void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data, |
| 146 | int nr_controllers) |
| 147 | { |
| 148 | } |
Tony Lindgren | 0dffb5c | 2009-01-29 08:57:16 -0800 | [diff] [blame] | 149 | static inline int omap_mmc_add(const char *name, int id, unsigned long base, |
| 150 | unsigned long size, unsigned int irq, |
| 151 | struct omap_mmc_platform_data *data) |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 152 | { |
| 153 | return 0; |
| 154 | } |
| 155 | |
| 156 | #endif |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 157 | #endif |