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11#ifndef _MMC_CORE_CORE_H
12#define _MMC_CORE_CORE_H
13
14#include <linux/delay.h>
15#include <linux/sched.h>
16
17struct mmc_host;
18struct mmc_card;
19struct mmc_request;
20
21#define MMC_CMD_RETRIES 3
22
23struct mmc_bus_ops {
24 void (*remove)(struct mmc_host *);
25 void (*detect)(struct mmc_host *);
26 int (*pre_suspend)(struct mmc_host *);
27 int (*suspend)(struct mmc_host *);
28 int (*resume)(struct mmc_host *);
29 int (*runtime_suspend)(struct mmc_host *);
30 int (*runtime_resume)(struct mmc_host *);
31 int (*power_save)(struct mmc_host *);
32 int (*power_restore)(struct mmc_host *);
33 int (*alive)(struct mmc_host *);
34 int (*shutdown)(struct mmc_host *);
35 int (*reset)(struct mmc_host *);
36};
37
38void mmc_attach_bus(struct mmc_host *host, const struct mmc_bus_ops *ops);
39void mmc_detach_bus(struct mmc_host *host);
40
41struct device_node *mmc_of_find_child_device(struct mmc_host *host,
42 unsigned func_num);
43
44void mmc_init_erase(struct mmc_card *card);
45
46void mmc_set_chip_select(struct mmc_host *host, int mode);
47void mmc_set_clock(struct mmc_host *host, unsigned int hz);
48void mmc_set_bus_mode(struct mmc_host *host, unsigned int mode);
49void mmc_set_bus_width(struct mmc_host *host, unsigned int width);
50u32 mmc_select_voltage(struct mmc_host *host, u32 ocr);
51int mmc_set_uhs_voltage(struct mmc_host *host, u32 ocr);
52int mmc_set_signal_voltage(struct mmc_host *host, int signal_voltage);
53void mmc_set_timing(struct mmc_host *host, unsigned int timing);
54void mmc_set_driver_type(struct mmc_host *host, unsigned int drv_type);
55int mmc_select_drive_strength(struct mmc_card *card, unsigned int max_dtr,
56 int card_drv_type, int *drv_type);
57void mmc_power_up(struct mmc_host *host, u32 ocr);
58void mmc_power_off(struct mmc_host *host);
59void mmc_power_cycle(struct mmc_host *host, u32 ocr);
60void mmc_set_initial_state(struct mmc_host *host);
61
62static 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}
71
72void mmc_rescan(struct work_struct *work);
73void mmc_start_host(struct mmc_host *host);
74void mmc_stop_host(struct mmc_host *host);
75
76int _mmc_detect_card_removed(struct mmc_host *host);
77int mmc_detect_card_removed(struct mmc_host *host);
78
79int mmc_attach_mmc(struct mmc_host *host);
80int mmc_attach_sd(struct mmc_host *host);
81int mmc_attach_sdio(struct mmc_host *host);
82
83
84extern bool use_spi_crc;
85
86
87void mmc_add_host_debugfs(struct mmc_host *host);
88void mmc_remove_host_debugfs(struct mmc_host *host);
89
90void mmc_add_card_debugfs(struct mmc_card *card);
91void mmc_remove_card_debugfs(struct mmc_card *card);
92
93void mmc_init_context_info(struct mmc_host *host);
94
95int mmc_execute_tuning(struct mmc_card *card);
96int mmc_hs200_to_hs400(struct mmc_card *card);
97int mmc_hs400_to_hs200(struct mmc_card *card);
98
99#ifdef CONFIG_PM_SLEEP
100void mmc_register_pm_notifier(struct mmc_host *host);
101void mmc_unregister_pm_notifier(struct mmc_host *host);
102#else
103static inline void mmc_register_pm_notifier(struct mmc_host *host) { }
104static inline void mmc_unregister_pm_notifier(struct mmc_host *host) { }
105#endif
106
107void mmc_wait_for_req_done(struct mmc_host *host, struct mmc_request *mrq);
108bool mmc_is_req_done(struct mmc_host *host, struct mmc_request *mrq);
109
110struct mmc_async_req;
111
112struct mmc_async_req *mmc_start_areq(struct mmc_host *host,
113 struct mmc_async_req *areq,
114 enum mmc_blk_status *ret_stat);
115
116int mmc_erase(struct mmc_card *card, unsigned int from, unsigned int nr,
117 unsigned int arg);
118int mmc_can_erase(struct mmc_card *card);
119int mmc_can_trim(struct mmc_card *card);
120int mmc_can_discard(struct mmc_card *card);
121int mmc_can_sanitize(struct mmc_card *card);
122int mmc_can_secure_erase_trim(struct mmc_card *card);
123int mmc_erase_group_aligned(struct mmc_card *card, unsigned int from,
124 unsigned int nr);
125unsigned int mmc_calc_max_discard(struct mmc_card *card);
126
127int mmc_set_blocklen(struct mmc_card *card, unsigned int blocklen);
128int mmc_set_blockcount(struct mmc_card *card, unsigned int blockcount,
129 bool is_rel_write);
130
131int __mmc_claim_host(struct mmc_host *host, atomic_t *abort);
132void mmc_release_host(struct mmc_host *host);
133void mmc_get_card(struct mmc_card *card);
134void mmc_put_card(struct mmc_card *card);
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142static inline void mmc_claim_host(struct mmc_host *host)
143{
144 __mmc_claim_host(host, NULL);
145}
146
147#endif
148