linux-imx

/*

 * Copyright (C) 2014 Linaro Ltd

 *

 * Author: Ulf Hansson <ulf.hansson@linaro.org>

 *

 * License terms: GNU General Public License (GPL) version 2

 */

#ifndef _MMC_CORE_PWRSEQ_H

#define _MMC_CORE_PWRSEQ_H

​

#include <linux/types.h>

​

struct mmc_host;

struct device;

struct module;

​

struct mmc_pwrseq_ops {

    void (*pre_power_on)(struct mmc_host *host);

    void (*post_power_on)(struct mmc_host *host);

    void (*power_off)(struct mmc_host *host);

    void (*reset)(struct mmc_host *host);

};

​

struct mmc_pwrseq {

    const struct mmc_pwrseq_ops *ops;

    struct device *dev;

    struct list_head pwrseq_node;

    struct module *owner;

};

​

#ifdef CONFIG_OF

​

int mmc_pwrseq_register(struct mmc_pwrseq *pwrseq);

void mmc_pwrseq_unregister(struct mmc_pwrseq *pwrseq);

​

int mmc_pwrseq_alloc(struct mmc_host *host);

void mmc_pwrseq_pre_power_on(struct mmc_host *host);

void mmc_pwrseq_post_power_on(struct mmc_host *host);

void mmc_pwrseq_power_off(struct mmc_host *host);

void mmc_pwrseq_reset(struct mmc_host *host);

void mmc_pwrseq_free(struct mmc_host *host);

​

#else

​

static inline int mmc_pwrseq_register(struct mmc_pwrseq *pwrseq)

{

    return -ENOSYS;

}

static inline void mmc_pwrseq_unregister(struct mmc_pwrseq *pwrseq) {}

static inline int mmc_pwrseq_alloc(struct mmc_host *host) { return 0; }

static inline void mmc_pwrseq_pre_power_on(struct mmc_host *host) {}

static inline void mmc_pwrseq_post_power_on(struct mmc_host *host) {}

static inline void mmc_pwrseq_power_off(struct mmc_host *host) {}

static inline void mmc_pwrseq_reset(struct mmc_host *host) {}

static inline void mmc_pwrseq_free(struct mmc_host *host) {}

​

#endif

​

#endif