mirror of
https://github.com/torvalds/linux.git
synced 2024-11-18 01:51:53 +00:00
32780cd135
The current mechanism is SDIO-only. This allows us to create function-specific quirks, without creating messy Kconfig dependencies, or polluting core/ with function-specific code. Signed-off-by: Andrei Warkentin <andreiw@motorola.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Chris Ball <cjb@laptop.org>
76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
/*
|
|
* linux/drivers/mmc/core/core.h
|
|
*
|
|
* Copyright (C) 2003 Russell King, All Rights Reserved.
|
|
* Copyright 2007 Pierre Ossman
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
#ifndef _MMC_CORE_CORE_H
|
|
#define _MMC_CORE_CORE_H
|
|
|
|
#include <linux/delay.h>
|
|
|
|
#define MMC_CMD_RETRIES 3
|
|
|
|
struct mmc_bus_ops {
|
|
int (*awake)(struct mmc_host *);
|
|
int (*sleep)(struct mmc_host *);
|
|
void (*remove)(struct mmc_host *);
|
|
void (*detect)(struct mmc_host *);
|
|
int (*suspend)(struct mmc_host *);
|
|
int (*resume)(struct mmc_host *);
|
|
int (*power_save)(struct mmc_host *);
|
|
int (*power_restore)(struct mmc_host *);
|
|
};
|
|
|
|
void mmc_attach_bus(struct mmc_host *host, const struct mmc_bus_ops *ops);
|
|
void mmc_detach_bus(struct mmc_host *host);
|
|
|
|
void mmc_init_erase(struct mmc_card *card);
|
|
|
|
void mmc_set_chip_select(struct mmc_host *host, int mode);
|
|
void mmc_set_clock(struct mmc_host *host, unsigned int hz);
|
|
void mmc_gate_clock(struct mmc_host *host);
|
|
void mmc_ungate_clock(struct mmc_host *host);
|
|
void mmc_set_ungated(struct mmc_host *host);
|
|
void mmc_set_bus_mode(struct mmc_host *host, unsigned int mode);
|
|
void mmc_set_bus_width(struct mmc_host *host, unsigned int width);
|
|
void mmc_set_bus_width_ddr(struct mmc_host *host, unsigned int width,
|
|
unsigned int ddr);
|
|
u32 mmc_select_voltage(struct mmc_host *host, u32 ocr);
|
|
void mmc_set_timing(struct mmc_host *host, unsigned int timing);
|
|
|
|
static inline void mmc_delay(unsigned int ms)
|
|
{
|
|
if (ms < 1000 / HZ) {
|
|
cond_resched();
|
|
mdelay(ms);
|
|
} else {
|
|
msleep(ms);
|
|
}
|
|
}
|
|
|
|
void mmc_rescan(struct work_struct *work);
|
|
void mmc_start_host(struct mmc_host *host);
|
|
void mmc_stop_host(struct mmc_host *host);
|
|
|
|
int mmc_attach_mmc(struct mmc_host *host);
|
|
int mmc_attach_sd(struct mmc_host *host);
|
|
int mmc_attach_sdio(struct mmc_host *host);
|
|
|
|
/* Module parameters */
|
|
extern int use_spi_crc;
|
|
|
|
/* Debugfs information for hosts and cards */
|
|
void mmc_add_host_debugfs(struct mmc_host *host);
|
|
void mmc_remove_host_debugfs(struct mmc_host *host);
|
|
|
|
void mmc_add_card_debugfs(struct mmc_card *card);
|
|
void mmc_remove_card_debugfs(struct mmc_card *card);
|
|
|
|
#endif
|
|
|