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87 lines
2.0 KiB
87 lines
2.0 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* linux/drivers/mmc/core/host.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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#ifndef _MMC_CORE_HOST_H |
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#define _MMC_CORE_HOST_H |
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#include <linux/mmc/host.h> |
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int mmc_register_host_class(void); |
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void mmc_unregister_host_class(void); |
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void mmc_retune_enable(struct mmc_host *host); |
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void mmc_retune_disable(struct mmc_host *host); |
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void mmc_retune_hold(struct mmc_host *host); |
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void mmc_retune_release(struct mmc_host *host); |
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int mmc_retune(struct mmc_host *host); |
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void mmc_retune_pause(struct mmc_host *host); |
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void mmc_retune_unpause(struct mmc_host *host); |
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static inline void mmc_retune_hold_now(struct mmc_host *host) |
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{ |
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host->retune_now = 0; |
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host->hold_retune += 1; |
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} |
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static inline void mmc_retune_recheck(struct mmc_host *host) |
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{ |
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if (host->hold_retune <= 1) |
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host->retune_now = 1; |
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} |
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static inline int mmc_host_cmd23(struct mmc_host *host) |
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{ |
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return host->caps & MMC_CAP_CMD23; |
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} |
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static inline bool mmc_host_done_complete(struct mmc_host *host) |
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{ |
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return host->caps & MMC_CAP_DONE_COMPLETE; |
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} |
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static inline int mmc_boot_partition_access(struct mmc_host *host) |
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{ |
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return !(host->caps2 & MMC_CAP2_BOOTPART_NOACC); |
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} |
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static inline int mmc_host_uhs(struct mmc_host *host) |
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{ |
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return host->caps & |
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(MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25 | |
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MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR104 | |
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MMC_CAP_UHS_DDR50) && |
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host->caps & MMC_CAP_4_BIT_DATA; |
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} |
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static inline bool mmc_card_hs200(struct mmc_card *card) |
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{ |
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return card->host->ios.timing == MMC_TIMING_MMC_HS200; |
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} |
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static inline bool mmc_card_ddr52(struct mmc_card *card) |
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{ |
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return card->host->ios.timing == MMC_TIMING_MMC_DDR52; |
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} |
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static inline bool mmc_card_hs400(struct mmc_card *card) |
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{ |
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return card->host->ios.timing == MMC_TIMING_MMC_HS400; |
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} |
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static inline bool mmc_card_hs400es(struct mmc_card *card) |
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{ |
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return card->host->ios.enhanced_strobe; |
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} |
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static inline bool mmc_card_sd_express(struct mmc_host *host) |
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{ |
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return host->ios.timing == MMC_TIMING_SD_EXP || |
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host->ios.timing == MMC_TIMING_SD_EXP_1_2V; |
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} |
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#endif |
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