blob: 48c4952512a5875b337676b857a1beec2856b8ee [file] [log] [blame]
Thomas Gleixnerd2912cb2019-06-04 10:11:33 +02001/* SPDX-License-Identifier: GPL-2.0-only */
Pierre Ossmanb93931a2007-05-19 14:06:24 +02002/*
3 * linux/drivers/mmc/core/host.h
4 *
5 * Copyright (C) 2003 Russell King, All Rights Reserved.
6 * Copyright 2007 Pierre Ossman
Pierre Ossmanb93931a2007-05-19 14:06:24 +02007 */
8#ifndef _MMC_CORE_HOST_H
9#define _MMC_CORE_HOST_H
Ulf Hansson066185d2017-01-13 14:14:07 +010010
Ulf Hansson5857b292017-01-13 14:14:15 +010011#include <linux/mmc/host.h>
Pierre Ossmanb93931a2007-05-19 14:06:24 +020012
13int mmc_register_host_class(void);
14void mmc_unregister_host_class(void);
Adrian Hunter8ea926b2009-09-22 16:44:29 -070015
Adrian Hunterdfa13eb2015-05-07 13:10:12 +030016void mmc_retune_enable(struct mmc_host *host);
17void mmc_retune_disable(struct mmc_host *host);
18void mmc_retune_hold(struct mmc_host *host);
19void mmc_retune_release(struct mmc_host *host);
20int mmc_retune(struct mmc_host *host);
Ulf Hansson5857b292017-01-13 14:14:15 +010021void mmc_retune_pause(struct mmc_host *host);
22void mmc_retune_unpause(struct mmc_host *host);
23
Wolfram Sang8ffb2612021-06-24 17:16:16 +020024static inline void mmc_retune_clear(struct mmc_host *host)
25{
26 host->retune_now = 0;
27 host->need_retune = 0;
28}
29
Adrian Huntercb39f612017-09-22 15:36:59 +030030static inline void mmc_retune_hold_now(struct mmc_host *host)
31{
32 host->retune_now = 0;
33 host->hold_retune += 1;
34}
35
Ulf Hansson5857b292017-01-13 14:14:15 +010036static inline void mmc_retune_recheck(struct mmc_host *host)
37{
38 if (host->hold_retune <= 1)
39 host->retune_now = 1;
40}
41
42static inline int mmc_host_cmd23(struct mmc_host *host)
43{
44 return host->caps & MMC_CAP_CMD23;
45}
46
Adrian Hunter10f21df42017-11-29 15:41:07 +020047static inline bool mmc_host_done_complete(struct mmc_host *host)
48{
49 return host->caps & MMC_CAP_DONE_COMPLETE;
50}
51
Ulf Hansson5857b292017-01-13 14:14:15 +010052static inline int mmc_boot_partition_access(struct mmc_host *host)
53{
54 return !(host->caps2 & MMC_CAP2_BOOTPART_NOACC);
55}
56
57static inline int mmc_host_uhs(struct mmc_host *host)
58{
59 return host->caps &
60 (MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25 |
61 MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR104 |
Shawn Lind6743a82018-02-27 08:49:25 +080062 MMC_CAP_UHS_DDR50) &&
63 host->caps & MMC_CAP_4_BIT_DATA;
Ulf Hansson5857b292017-01-13 14:14:15 +010064}
65
66static inline bool mmc_card_hs200(struct mmc_card *card)
67{
68 return card->host->ios.timing == MMC_TIMING_MMC_HS200;
69}
70
71static inline bool mmc_card_ddr52(struct mmc_card *card)
72{
73 return card->host->ios.timing == MMC_TIMING_MMC_DDR52;
74}
75
76static inline bool mmc_card_hs400(struct mmc_card *card)
77{
78 return card->host->ios.timing == MMC_TIMING_MMC_HS400;
79}
80
81static inline bool mmc_card_hs400es(struct mmc_card *card)
82{
83 return card->host->ios.enhanced_strobe;
84}
85
Ulf Hanssonead49372020-10-29 09:57:16 +080086static inline bool mmc_card_sd_express(struct mmc_host *host)
87{
88 return host->ios.timing == MMC_TIMING_SD_EXP ||
89 host->ios.timing == MMC_TIMING_SD_EXP_1_2V;
90}
91
Pierre Ossmanb93931a2007-05-19 14:06:24 +020092#endif
93