Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/*
2 * linux/drivers/mmc/core/core.h
3 *
4 * Copyright (C) 2003 Russell King, All Rights Reserved.
5 * Copyright 2007 Pierre Ossman
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 */
11#ifndef _MMC_CORE_CORE_H
12#define _MMC_CORE_CORE_H
13
14#include <linux/delay.h>
15
16#define MMC_CMD_RETRIES 3
17
18struct mmc_bus_ops {
19 void (*remove)(struct mmc_host *);
20 void (*detect)(struct mmc_host *);
21 int (*pre_suspend)(struct mmc_host *);
22 int (*suspend)(struct mmc_host *);
23 int (*resume)(struct mmc_host *);
24 int (*runtime_suspend)(struct mmc_host *);
25 int (*runtime_resume)(struct mmc_host *);
26 int (*power_save)(struct mmc_host *);
27 int (*power_restore)(struct mmc_host *);
28 int (*alive)(struct mmc_host *);
29 int (*shutdown)(struct mmc_host *);
30 int (*reset)(struct mmc_host *);
31};
32
33void mmc_attach_bus(struct mmc_host *host, const struct mmc_bus_ops *ops);
34void mmc_detach_bus(struct mmc_host *host);
35
36struct device_node *mmc_of_find_child_device(struct mmc_host *host,
37 unsigned func_num);
38
39void mmc_init_erase(struct mmc_card *card);
40
41void mmc_set_chip_select(struct mmc_host *host, int mode);
42void mmc_set_clock(struct mmc_host *host, unsigned int hz);
43void mmc_gate_clock(struct mmc_host *host);
44void mmc_ungate_clock(struct mmc_host *host);
45void mmc_set_ungated(struct mmc_host *host);
46void mmc_set_bus_mode(struct mmc_host *host, unsigned int mode);
47void mmc_set_bus_width(struct mmc_host *host, unsigned int width);
48u32 mmc_select_voltage(struct mmc_host *host, u32 ocr);
49int mmc_set_signal_voltage(struct mmc_host *host, int signal_voltage, u32 ocr);
50int __mmc_set_signal_voltage(struct mmc_host *host, int signal_voltage);
51void mmc_set_timing(struct mmc_host *host, unsigned int timing);
52void mmc_set_driver_type(struct mmc_host *host, unsigned int drv_type);
53int mmc_select_drive_strength(struct mmc_card *card, unsigned int max_dtr,
54 int card_drv_type, int *drv_type);
55void mmc_power_up(struct mmc_host *host, u32 ocr);
56void mmc_power_off(struct mmc_host *host);
57void mmc_power_cycle(struct mmc_host *host, u32 ocr);
58void mmc_set_initial_state(struct mmc_host *host);
59
60static inline void mmc_delay(unsigned int ms)
61{
62 if (ms < 1000 / HZ) {
63 cond_resched();
64 mdelay(ms);
65 } else {
66 msleep(ms);
67 }
68}
69
70void mmc_rescan(struct work_struct *work);
71void mmc_start_host(struct mmc_host *host);
72void mmc_stop_host(struct mmc_host *host);
73
74int _mmc_detect_card_removed(struct mmc_host *host);
75
76int mmc_attach_mmc(struct mmc_host *host);
77int mmc_attach_sd(struct mmc_host *host);
78int mmc_attach_sdio(struct mmc_host *host);
79
80/* Module parameters */
81extern bool use_spi_crc;
82
83/* Debugfs information for hosts and cards */
84void mmc_add_host_debugfs(struct mmc_host *host);
85void mmc_remove_host_debugfs(struct mmc_host *host);
86
87void mmc_add_card_debugfs(struct mmc_card *card);
88void mmc_remove_card_debugfs(struct mmc_card *card);
89
90void mmc_init_context_info(struct mmc_host *host);
91
92int mmc_execute_tuning(struct mmc_card *card);
93int mmc_hs200_to_hs400(struct mmc_card *card);
94int mmc_hs400_to_hs200(struct mmc_card *card);
95
96#endif
97