1/*
 2 * Copyright (C) 2014 Linaro Ltd
 3 *
 4 * Author: Ulf Hansson <ulf.hansson@linaro.org>
 5 *
 6 * License terms: GNU General Public License (GPL) version 2
 7 */
 8#ifndef _MMC_CORE_PWRSEQ_H
 9#define _MMC_CORE_PWRSEQ_H
10
11struct mmc_pwrseq_ops {
12	void (*pre_power_on)(struct mmc_host *host);
13	void (*post_power_on)(struct mmc_host *host);
14	void (*power_off)(struct mmc_host *host);
15	void (*free)(struct mmc_host *host);
16};
17
18struct mmc_pwrseq {
19	const struct mmc_pwrseq_ops *ops;
20};
21
22#ifdef CONFIG_OF
23
24int mmc_pwrseq_alloc(struct mmc_host *host);
25void mmc_pwrseq_pre_power_on(struct mmc_host *host);
26void mmc_pwrseq_post_power_on(struct mmc_host *host);
27void mmc_pwrseq_power_off(struct mmc_host *host);
28void mmc_pwrseq_free(struct mmc_host *host);
29
30struct mmc_pwrseq *mmc_pwrseq_simple_alloc(struct mmc_host *host,
31					   struct device *dev);
32struct mmc_pwrseq *mmc_pwrseq_emmc_alloc(struct mmc_host *host,
33					 struct device *dev);
34
35#else
36
37static inline int mmc_pwrseq_alloc(struct mmc_host *host) { return 0; }
38static inline void mmc_pwrseq_pre_power_on(struct mmc_host *host) {}
39static inline void mmc_pwrseq_post_power_on(struct mmc_host *host) {}
40static inline void mmc_pwrseq_power_off(struct mmc_host *host) {}
41static inline void mmc_pwrseq_free(struct mmc_host *host) {}
42
43#endif
44
45#endif