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Commit | Line | Data |
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1da177e4 | 1 | /* |
aaac1b47 | 2 | * linux/drivers/mmc/core/core.h |
1da177e4 LT |
3 | * |
4 | * Copyright (C) 2003 Russell King, All Rights Reserved. | |
da7fbe58 | 5 | * Copyright 2007 Pierre Ossman |
1da177e4 LT |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | */ | |
da7fbe58 PO |
11 | #ifndef _MMC_CORE_CORE_H |
12 | #define _MMC_CORE_CORE_H | |
00b137cf | 13 | |
da7fbe58 | 14 | #include <linux/delay.h> |
066185d6 UH |
15 | #include <linux/sched.h> |
16 | ||
17 | struct mmc_host; | |
18 | struct mmc_card; | |
55244c56 | 19 | struct mmc_request; |
da7fbe58 PO |
20 | |
21 | #define MMC_CMD_RETRIES 3 | |
22 | ||
7ea239d9 PO |
23 | struct mmc_bus_ops { |
24 | void (*remove)(struct mmc_host *); | |
25 | void (*detect)(struct mmc_host *); | |
810caddb | 26 | int (*pre_suspend)(struct mmc_host *); |
95cdfb72 NP |
27 | int (*suspend)(struct mmc_host *); |
28 | int (*resume)(struct mmc_host *); | |
12d01d0b UH |
29 | int (*runtime_suspend)(struct mmc_host *); |
30 | int (*runtime_resume)(struct mmc_host *); | |
12ae637f OBC |
31 | int (*power_save)(struct mmc_host *); |
32 | int (*power_restore)(struct mmc_host *); | |
d3049504 | 33 | int (*alive)(struct mmc_host *); |
6b086bde | 34 | int (*shutdown)(struct mmc_host *); |
f855a371 | 35 | int (*reset)(struct mmc_host *); |
7ea239d9 PO |
36 | }; |
37 | ||
38 | void mmc_attach_bus(struct mmc_host *host, const struct mmc_bus_ops *ops); | |
39 | void mmc_detach_bus(struct mmc_host *host); | |
40 | ||
25185f3f SH |
41 | struct device_node *mmc_of_find_child_device(struct mmc_host *host, |
42 | unsigned func_num); | |
43 | ||
dfe86cba AH |
44 | void mmc_init_erase(struct mmc_card *card); |
45 | ||
da7fbe58 | 46 | void mmc_set_chip_select(struct mmc_host *host, int mode); |
7ea239d9 PO |
47 | void mmc_set_clock(struct mmc_host *host, unsigned int hz); |
48 | void mmc_set_bus_mode(struct mmc_host *host, unsigned int mode); | |
49 | void mmc_set_bus_width(struct mmc_host *host, unsigned int width); | |
50 | u32 mmc_select_voltage(struct mmc_host *host, u32 ocr); | |
2ed573b6 | 51 | int mmc_set_uhs_voltage(struct mmc_host *host, u32 ocr); |
4e74b6b3 | 52 | int mmc_set_signal_voltage(struct mmc_host *host, int signal_voltage); |
7ea239d9 | 53 | void mmc_set_timing(struct mmc_host *host, unsigned int timing); |
d6d50a15 | 54 | void mmc_set_driver_type(struct mmc_host *host, unsigned int drv_type); |
e23350b3 AH |
55 | int mmc_select_drive_strength(struct mmc_card *card, unsigned int max_dtr, |
56 | int card_drv_type, int *drv_type); | |
4a065193 | 57 | void mmc_power_up(struct mmc_host *host, u32 ocr); |
7f7e4129 | 58 | void mmc_power_off(struct mmc_host *host); |
4a065193 | 59 | void mmc_power_cycle(struct mmc_host *host, u32 ocr); |
2d079c43 | 60 | void mmc_set_initial_state(struct mmc_host *host); |
7ea239d9 | 61 | |
da7fbe58 PO |
62 | static inline void mmc_delay(unsigned int ms) |
63 | { | |
64 | if (ms < 1000 / HZ) { | |
65 | cond_resched(); | |
66 | mdelay(ms); | |
67 | } else { | |
68 | msleep(ms); | |
69 | } | |
70 | } | |
7104e2d5 | 71 | |
b93931a6 PO |
72 | void mmc_rescan(struct work_struct *work); |
73 | void mmc_start_host(struct mmc_host *host); | |
74 | void mmc_stop_host(struct mmc_host *host); | |
75 | ||
d3049504 | 76 | int _mmc_detect_card_removed(struct mmc_host *host); |
55244c56 | 77 | int mmc_detect_card_removed(struct mmc_host *host); |
d3049504 | 78 | |
807e8e40 AR |
79 | int mmc_attach_mmc(struct mmc_host *host); |
80 | int mmc_attach_sd(struct mmc_host *host); | |
81 | int mmc_attach_sdio(struct mmc_host *host); | |
98b843be | 82 | |
bd68e083 | 83 | /* Module parameters */ |
90ab5ee9 | 84 | extern bool use_spi_crc; |
af517150 | 85 | |
6edd8ee6 HS |
86 | /* Debugfs information for hosts and cards */ |
87 | void mmc_add_host_debugfs(struct mmc_host *host); | |
88 | void mmc_remove_host_debugfs(struct mmc_host *host); | |
89 | ||
f4b7f927 HS |
90 | void mmc_add_card_debugfs(struct mmc_card *card); |
91 | void mmc_remove_card_debugfs(struct mmc_card *card); | |
92 | ||
2220eedf | 93 | void mmc_init_context_info(struct mmc_host *host); |
63e415c6 AH |
94 | |
95 | int mmc_execute_tuning(struct mmc_card *card); | |
6376f69d AH |
96 | int mmc_hs200_to_hs400(struct mmc_card *card); |
97 | int mmc_hs400_to_hs200(struct mmc_card *card); | |
63e415c6 | 98 | |
8dede18e UH |
99 | #ifdef CONFIG_PM_SLEEP |
100 | void mmc_register_pm_notifier(struct mmc_host *host); | |
101 | void mmc_unregister_pm_notifier(struct mmc_host *host); | |
102 | #else | |
fb0229df AB |
103 | static inline void mmc_register_pm_notifier(struct mmc_host *host) { } |
104 | static inline void mmc_unregister_pm_notifier(struct mmc_host *host) { } | |
8dede18e UH |
105 | #endif |
106 | ||
55244c56 UH |
107 | void mmc_wait_for_req_done(struct mmc_host *host, struct mmc_request *mrq); |
108 | bool mmc_is_req_done(struct mmc_host *host, struct mmc_request *mrq); | |
109 | ||
110 | int mmc_erase(struct mmc_card *card, unsigned int from, unsigned int nr, | |
111 | unsigned int arg); | |
112 | int mmc_can_erase(struct mmc_card *card); | |
113 | int mmc_can_trim(struct mmc_card *card); | |
114 | int mmc_can_discard(struct mmc_card *card); | |
115 | int mmc_can_sanitize(struct mmc_card *card); | |
116 | int mmc_can_secure_erase_trim(struct mmc_card *card); | |
117 | int mmc_erase_group_aligned(struct mmc_card *card, unsigned int from, | |
118 | unsigned int nr); | |
119 | unsigned int mmc_calc_max_discard(struct mmc_card *card); | |
120 | ||
121 | int mmc_set_blocklen(struct mmc_card *card, unsigned int blocklen); | |
122 | int mmc_set_blockcount(struct mmc_card *card, unsigned int blockcount, | |
123 | bool is_rel_write); | |
124 | ||
125 | int __mmc_claim_host(struct mmc_host *host, atomic_t *abort); | |
126 | void mmc_release_host(struct mmc_host *host); | |
127 | void mmc_get_card(struct mmc_card *card); | |
128 | void mmc_put_card(struct mmc_card *card); | |
129 | ||
130 | /** | |
131 | * mmc_claim_host - exclusively claim a host | |
132 | * @host: mmc host to claim | |
133 | * | |
134 | * Claim a host for a set of operations. | |
135 | */ | |
136 | static inline void mmc_claim_host(struct mmc_host *host) | |
137 | { | |
138 | __mmc_claim_host(host, NULL); | |
139 | } | |
da7fbe58 | 140 | |
55244c56 | 141 | #endif |