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 int (*awake)(struct mmc_host *);
20 int (*sleep)(struct mmc_host *);
21 void (*remove)(struct mmc_host *);
22 void (*detect)(struct mmc_host *);
23 int (*suspend)(struct mmc_host *);
24 int (*resume)(struct mmc_host *);
25 void (*power_save)(struct mmc_host *);
26 void (*power_restore)(struct mmc_host *);
27};
28
29void mmc_attach_bus(struct mmc_host *host, const struct mmc_bus_ops *ops);
30void mmc_detach_bus(struct mmc_host *host);
31
32void mmc_set_chip_select(struct mmc_host *host, int mode);
33void mmc_set_clock(struct mmc_host *host, unsigned int hz);
34void mmc_set_bus_mode(struct mmc_host *host, unsigned int mode);
35void mmc_set_bus_width(struct mmc_host *host, unsigned int width);
36u32 mmc_select_voltage(struct mmc_host *host, u32 ocr);
37void mmc_set_timing(struct mmc_host *host, unsigned int timing);
38
39static inline void mmc_delay(unsigned int ms)
40{
41 if (ms < 1000 / HZ) {
42 cond_resched();
43 mdelay(ms);
44 } else {
45 msleep(ms);
46 }
47}
48
49void mmc_rescan(struct work_struct *work);
50void mmc_start_host(struct mmc_host *host);
51void mmc_stop_host(struct mmc_host *host);
52
53int mmc_attach_mmc(struct mmc_host *host, u32 ocr);
54int mmc_attach_sd(struct mmc_host *host, u32 ocr);
55int mmc_attach_sdio(struct mmc_host *host, u32 ocr);
56
57/* Module parameters */
58extern int use_spi_crc;
59extern int mmc_assume_removable;
60
61/* Debugfs information for hosts and cards */
62void mmc_add_host_debugfs(struct mmc_host *host);
63void mmc_remove_host_debugfs(struct mmc_host *host);
64
65void mmc_add_card_debugfs(struct mmc_card *card);
66void mmc_remove_card_debugfs(struct mmc_card *card);
67
68#endif
69