/* * linux/drivers/mmc/core/host.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_HOST_H #define _MMC_CORE_HOST_H #include <linux/mmc/host.h> int mmc_register_host_class(void); void mmc_unregister_host_class(void); void mmc_retune_enable(struct mmc_host *host); void mmc_retune_disable(struct mmc_host *host); void mmc_retune_hold(struct mmc_host *host); void mmc_retune_release(struct mmc_host *host); int mmc_retune(struct mmc_host *host); void mmc_retune_pause(struct mmc_host *host); void mmc_retune_unpause(struct mmc_host *host); static inline void mmc_retune_hold_now(struct mmc_host *host) { host->retune_now = 0; host->hold_retune += 1; } static inline void mmc_retune_recheck(struct mmc_host *host) { if (host->hold_retune <= 1) host->retune_now = 1; } static inline int mmc_host_cmd23(struct mmc_host *host) { return host->caps & MMC_CAP_CMD23; } static inline bool mmc_host_done_complete(struct mmc_host *host) { return host->caps & MMC_CAP_DONE_COMPLETE; } static inline int mmc_boot_partition_access(struct mmc_host *host) { return !(host->caps2 & MMC_CAP2_BOOTPART_NOACC); } static inline int mmc_host_uhs(struct mmc_host *host) { return host->caps & (MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25 | MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR104 | MMC_CAP_UHS_DDR50) && host->caps & MMC_CAP_4_BIT_DATA; } static inline bool mmc_card_hs200(struct mmc_card *card) { return card->host->ios.timing == MMC_TIMING_MMC_HS200; } static inline bool mmc_card_ddr52(struct mmc_card *card) { return card->host->ios.timing == MMC_TIMING_MMC_DDR52; } static inline bool mmc_card_hs400(struct mmc_card *card) { return card->host->ios.timing == MMC_TIMING_MMC_HS400; } static inline bool mmc_card_hs400es(struct mmc_card *card) { return card->host->ios.enhanced_strobe; } #endif