mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-16 08:44:21 +08:00
8ffb2611a7
We have this in two places, so let's have a dedicated function. It is also more readable. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Link: https://lore.kernel.org/r/20210624151616.38770-4-wsa+renesas@sang-engineering.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
94 lines
2.1 KiB
C
94 lines
2.1 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_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
|
|
|