| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/include/linux/mmc/host.h |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License version 2 as |
| 6 | * published by the Free Software Foundation. |
| 7 | * |
| 8 | * Host driver specific definitions. |
| 9 | */ |
| 10 | #ifndef LINUX_MMC_HOST_H |
| 11 | #define LINUX_MMC_HOST_H |
| 12 | |
| 13 | #include <linux/mmc/mmc.h> |
| 14 | |
| 15 | struct mmc_ios { |
| 16 | unsigned int clock; /* clock rate */ |
| 17 | unsigned short vdd; |
| 18 | |
| 19 | #define MMC_VDD_150 0 |
| 20 | #define MMC_VDD_155 1 |
| 21 | #define MMC_VDD_160 2 |
| 22 | #define MMC_VDD_165 3 |
| 23 | #define MMC_VDD_170 4 |
| 24 | #define MMC_VDD_180 5 |
| 25 | #define MMC_VDD_190 6 |
| 26 | #define MMC_VDD_200 7 |
| 27 | #define MMC_VDD_210 8 |
| 28 | #define MMC_VDD_220 9 |
| 29 | #define MMC_VDD_230 10 |
| 30 | #define MMC_VDD_240 11 |
| 31 | #define MMC_VDD_250 12 |
| 32 | #define MMC_VDD_260 13 |
| 33 | #define MMC_VDD_270 14 |
| 34 | #define MMC_VDD_280 15 |
| 35 | #define MMC_VDD_290 16 |
| 36 | #define MMC_VDD_300 17 |
| 37 | #define MMC_VDD_310 18 |
| 38 | #define MMC_VDD_320 19 |
| 39 | #define MMC_VDD_330 20 |
| 40 | #define MMC_VDD_340 21 |
| 41 | #define MMC_VDD_350 22 |
| 42 | #define MMC_VDD_360 23 |
| 43 | |
| 44 | unsigned char bus_mode; /* command output mode */ |
| 45 | |
| 46 | #define MMC_BUSMODE_OPENDRAIN 1 |
| 47 | #define MMC_BUSMODE_PUSHPULL 2 |
| 48 | |
| 49 | unsigned char power_mode; /* power supply mode */ |
| 50 | |
| 51 | #define MMC_POWER_OFF 0 |
| 52 | #define MMC_POWER_UP 1 |
| 53 | #define MMC_POWER_ON 2 |
| 54 | }; |
| 55 | |
| 56 | struct mmc_host_ops { |
| 57 | void (*request)(struct mmc_host *host, struct mmc_request *req); |
| 58 | void (*set_ios)(struct mmc_host *host, struct mmc_ios *ios); |
| 59 | }; |
| 60 | |
| 61 | struct mmc_card; |
| 62 | struct device; |
| 63 | |
| 64 | struct mmc_host { |
| 65 | struct device *dev; |
| 66 | struct mmc_host_ops *ops; |
| 67 | unsigned int f_min; |
| 68 | unsigned int f_max; |
| 69 | u32 ocr_avail; |
| 70 | char host_name[8]; |
| 71 | |
| 72 | /* host specific block data */ |
| 73 | unsigned int max_seg_size; /* see blk_queue_max_segment_size */ |
| 74 | unsigned short max_hw_segs; /* see blk_queue_max_hw_segments */ |
| 75 | unsigned short max_phys_segs; /* see blk_queue_max_phys_segments */ |
| 76 | unsigned short max_sectors; /* see blk_queue_max_sectors */ |
| 77 | unsigned short unused; |
| 78 | |
| 79 | /* private data */ |
| 80 | struct mmc_ios ios; /* current io bus settings */ |
| 81 | u32 ocr; /* the current OCR setting */ |
| 82 | |
| 83 | struct list_head cards; /* devices attached to this host */ |
| 84 | |
| 85 | wait_queue_head_t wq; |
| 86 | spinlock_t lock; /* card_busy lock */ |
| 87 | struct mmc_card *card_busy; /* the MMC card claiming host */ |
| 88 | struct mmc_card *card_selected; /* the selected MMC card */ |
| 89 | |
| 90 | struct work_struct detect; |
| 91 | }; |
| 92 | |
| 93 | extern struct mmc_host *mmc_alloc_host(int extra, struct device *); |
| 94 | extern int mmc_add_host(struct mmc_host *); |
| 95 | extern void mmc_remove_host(struct mmc_host *); |
| 96 | extern void mmc_free_host(struct mmc_host *); |
| 97 | |
| 98 | #define mmc_priv(x) ((void *)((x) + 1)) |
| 99 | #define mmc_dev(x) ((x)->dev) |
| 100 | |
| Pavel Machek | 3bfffd9 | 2005-04-16 15:25:37 -0700 | [diff] [blame] | 101 | extern int mmc_suspend_host(struct mmc_host *, pm_message_t); |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 102 | extern int mmc_resume_host(struct mmc_host *); |
| 103 | |
| 104 | extern void mmc_detect_change(struct mmc_host *); |
| 105 | extern void mmc_request_done(struct mmc_host *, struct mmc_request *); |
| 106 | |
| 107 | #endif |
| 108 | |