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 11 struct 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 18 struct mmc_pwrseq { 19 const struct mmc_pwrseq_ops *ops; 20 }; 21 22 #ifdef CONFIG_OF 23 24 int mmc_pwrseq_alloc(struct mmc_host *host); 25 void mmc_pwrseq_pre_power_on(struct mmc_host *host); 26 void mmc_pwrseq_post_power_on(struct mmc_host *host); 27 void mmc_pwrseq_power_off(struct mmc_host *host); 28 void mmc_pwrseq_free(struct mmc_host *host); 29 30 struct mmc_pwrseq *mmc_pwrseq_simple_alloc(struct mmc_host *host, 31 struct device *dev); 32 struct mmc_pwrseq *mmc_pwrseq_emmc_alloc(struct mmc_host *host, 33 struct device *dev); 34 35 #else 36 37 static inline int mmc_pwrseq_alloc(struct mmc_host *host) { return 0; } 38 static inline void mmc_pwrseq_pre_power_on(struct mmc_host *host) {} 39 static inline void mmc_pwrseq_post_power_on(struct mmc_host *host) {} 40 static inline void mmc_pwrseq_power_off(struct mmc_host *host) {} 41 static inline void mmc_pwrseq_free(struct mmc_host *host) {} 42 43 #endif 44 45 #endif 46