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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/drivers/mmc/core/core.h
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/*

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 *  linux/drivers/mmc/core/core.h

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 *

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 *  Copyright (C) 2003 Russell King, All Rights Reserved.

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 *  Copyright 2007 Pierre Ossman

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 *

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 * This program is free software; you can redistribute it and/or modify

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 * it under the terms of the GNU General Public License version 2 as

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 * published by the Free Software Foundation.

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 */

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#ifndef _MMC_CORE_CORE_H

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#define _MMC_CORE_CORE_H

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#include <linux/delay.h>

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#define MMC_CMD_RETRIES        3

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struct mmc_bus_ops {

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	int (*awake)(struct mmc_host *);

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	int (*sleep)(struct mmc_host *);

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	void (*remove)(struct mmc_host *);

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	void (*detect)(struct mmc_host *);

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	int (*suspend)(struct mmc_host *);

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	int (*resume)(struct mmc_host *);

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	int (*power_save)(struct mmc_host *);

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	int (*power_restore)(struct mmc_host *);

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};

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void mmc_attach_bus(struct mmc_host *host, const struct mmc_bus_ops *ops);

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void mmc_detach_bus(struct mmc_host *host);

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void mmc_init_erase(struct mmc_card *card);

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void mmc_set_chip_select(struct mmc_host *host, int mode);

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void mmc_set_clock(struct mmc_host *host, unsigned int hz);

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void mmc_gate_clock(struct mmc_host *host);

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void mmc_ungate_clock(struct mmc_host *host);

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void mmc_set_ungated(struct mmc_host *host);

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void mmc_set_bus_mode(struct mmc_host *host, unsigned int mode);

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void mmc_set_bus_width(struct mmc_host *host, unsigned int width);

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u32 mmc_select_voltage(struct mmc_host *host, u32 ocr);

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int mmc_set_signal_voltage(struct mmc_host *host, int signal_voltage,

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			   bool cmd11);

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void mmc_set_timing(struct mmc_host *host, unsigned int timing);

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void mmc_set_driver_type(struct mmc_host *host, unsigned int drv_type);

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static inline void mmc_delay(unsigned int ms)

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{

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	if (ms < 1000 / HZ) {

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		cond_resched();

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		mdelay(ms);

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	} else {

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		msleep(ms);

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	}

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}

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void mmc_rescan(struct work_struct *work);

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void mmc_start_host(struct mmc_host *host);

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void mmc_stop_host(struct mmc_host *host);

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int mmc_attach_mmc(struct mmc_host *host);

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int mmc_attach_sd(struct mmc_host *host);

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int mmc_attach_sdio(struct mmc_host *host);

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/* Module parameters */

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extern int use_spi_crc;

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/* Debugfs information for hosts and cards */

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void mmc_add_host_debugfs(struct mmc_host *host);

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void mmc_remove_host_debugfs(struct mmc_host *host);

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void mmc_add_card_debugfs(struct mmc_card *card);

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void mmc_remove_card_debugfs(struct mmc_card *card);

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#endif

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