Thomas Gleixner | d2912cb | 2019-06-04 10:11:33 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
Pierre Ossman | b93931a | 2007-05-19 14:06:24 +0200 | [diff] [blame] | 2 | /* |
| 3 | * linux/drivers/mmc/core/host.h |
| 4 | * |
| 5 | * Copyright (C) 2003 Russell King, All Rights Reserved. |
| 6 | * Copyright 2007 Pierre Ossman |
Pierre Ossman | b93931a | 2007-05-19 14:06:24 +0200 | [diff] [blame] | 7 | */ |
| 8 | #ifndef _MMC_CORE_HOST_H |
| 9 | #define _MMC_CORE_HOST_H |
Ulf Hansson | 066185d | 2017-01-13 14:14:07 +0100 | [diff] [blame] | 10 | |
Ulf Hansson | 5857b29 | 2017-01-13 14:14:15 +0100 | [diff] [blame] | 11 | #include <linux/mmc/host.h> |
Pierre Ossman | b93931a | 2007-05-19 14:06:24 +0200 | [diff] [blame] | 12 | |
| 13 | int mmc_register_host_class(void); |
| 14 | void mmc_unregister_host_class(void); |
Adrian Hunter | 8ea926b | 2009-09-22 16:44:29 -0700 | [diff] [blame] | 15 | |
Adrian Hunter | dfa13eb | 2015-05-07 13:10:12 +0300 | [diff] [blame] | 16 | void mmc_retune_enable(struct mmc_host *host); |
| 17 | void mmc_retune_disable(struct mmc_host *host); |
| 18 | void mmc_retune_hold(struct mmc_host *host); |
| 19 | void mmc_retune_release(struct mmc_host *host); |
| 20 | int mmc_retune(struct mmc_host *host); |
Ulf Hansson | 5857b29 | 2017-01-13 14:14:15 +0100 | [diff] [blame] | 21 | void mmc_retune_pause(struct mmc_host *host); |
| 22 | void mmc_retune_unpause(struct mmc_host *host); |
| 23 | |
Wolfram Sang | 8ffb261 | 2021-06-24 17:16:16 +0200 | [diff] [blame] | 24 | static inline void mmc_retune_clear(struct mmc_host *host) |
| 25 | { |
| 26 | host->retune_now = 0; |
| 27 | host->need_retune = 0; |
| 28 | } |
| 29 | |
Adrian Hunter | cb39f61 | 2017-09-22 15:36:59 +0300 | [diff] [blame] | 30 | static inline void mmc_retune_hold_now(struct mmc_host *host) |
| 31 | { |
| 32 | host->retune_now = 0; |
| 33 | host->hold_retune += 1; |
| 34 | } |
| 35 | |
Ulf Hansson | 5857b29 | 2017-01-13 14:14:15 +0100 | [diff] [blame] | 36 | static inline void mmc_retune_recheck(struct mmc_host *host) |
| 37 | { |
| 38 | if (host->hold_retune <= 1) |
| 39 | host->retune_now = 1; |
| 40 | } |
| 41 | |
| 42 | static inline int mmc_host_cmd23(struct mmc_host *host) |
| 43 | { |
| 44 | return host->caps & MMC_CAP_CMD23; |
| 45 | } |
| 46 | |
Adrian Hunter | 10f21df4 | 2017-11-29 15:41:07 +0200 | [diff] [blame] | 47 | static inline bool mmc_host_done_complete(struct mmc_host *host) |
| 48 | { |
| 49 | return host->caps & MMC_CAP_DONE_COMPLETE; |
| 50 | } |
| 51 | |
Ulf Hansson | 5857b29 | 2017-01-13 14:14:15 +0100 | [diff] [blame] | 52 | static inline int mmc_boot_partition_access(struct mmc_host *host) |
| 53 | { |
| 54 | return !(host->caps2 & MMC_CAP2_BOOTPART_NOACC); |
| 55 | } |
| 56 | |
| 57 | static 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 Lin | d6743a8 | 2018-02-27 08:49:25 +0800 | [diff] [blame] | 62 | MMC_CAP_UHS_DDR50) && |
| 63 | host->caps & MMC_CAP_4_BIT_DATA; |
Ulf Hansson | 5857b29 | 2017-01-13 14:14:15 +0100 | [diff] [blame] | 64 | } |
| 65 | |
| 66 | static inline bool mmc_card_hs200(struct mmc_card *card) |
| 67 | { |
| 68 | return card->host->ios.timing == MMC_TIMING_MMC_HS200; |
| 69 | } |
| 70 | |
| 71 | static inline bool mmc_card_ddr52(struct mmc_card *card) |
| 72 | { |
| 73 | return card->host->ios.timing == MMC_TIMING_MMC_DDR52; |
| 74 | } |
| 75 | |
| 76 | static inline bool mmc_card_hs400(struct mmc_card *card) |
| 77 | { |
| 78 | return card->host->ios.timing == MMC_TIMING_MMC_HS400; |
| 79 | } |
| 80 | |
| 81 | static inline bool mmc_card_hs400es(struct mmc_card *card) |
| 82 | { |
| 83 | return card->host->ios.enhanced_strobe; |
| 84 | } |
| 85 | |
Ulf Hansson | ead4937 | 2020-10-29 09:57:16 +0800 | [diff] [blame] | 86 | static 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 Ossman | b93931a | 2007-05-19 14:06:24 +0200 | [diff] [blame] | 92 | #endif |
| 93 | |