linux/drivers/mmc/core/host.h
Thomas Gleixner d2912cb15b treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
Based on 2 normalized pattern(s):

  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

  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 #

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 4122 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-19 17:09:55 +02:00

82 lines
1.9 KiB
C

/* 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 <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