From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- drivers/mmc/core/host.h | 93 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 93 insertions(+) create mode 100644 drivers/mmc/core/host.h (limited to 'drivers/mmc/core/host.h') diff --git a/drivers/mmc/core/host.h b/drivers/mmc/core/host.h new file mode 100644 index 0000000000..48c4952512 --- /dev/null +++ b/drivers/mmc/core/host.h @@ -0,0 +1,93 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * linux/drivers/mmc/core/host.h + * + * Copyright (C) 2003 Russell King, All Rights Reserved. + * Copyright 2007 Pierre Ossman + */ +#ifndef _MMC_CORE_HOST_H +#define _MMC_CORE_HOST_H + +#include + +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_clear(struct mmc_host *host) +{ + host->retune_now = 0; + host->need_retune = 0; +} + +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; +} + +static inline bool mmc_card_sd_express(struct mmc_host *host) +{ + return host->ios.timing == MMC_TIMING_SD_EXP || + host->ios.timing == MMC_TIMING_SD_EXP_1_2V; +} + +#endif + -- cgit v1.2.3