projects / mirror_ubuntu-jammy-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| d2912cb1 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| b93931a6 PO |
2 | /* |
| 3 | * linux/drivers/mmc/core/host.h | |
| 4 | * | |
| 5 | * Copyright (C) 2003 Russell King, All Rights Reserved. | |
| 6 | * Copyright 2007 Pierre Ossman | |
| b93931a6 PO |
7 | */ |
| 8 | #ifndef _MMC_CORE_HOST_H | |
| 9 | #define _MMC_CORE_HOST_H | |
| 066185d6 | 10 | |
| 5857b29b | 11 | #include <linux/mmc/host.h> |
| b93931a6 PO |
12 | |
| 13 | int mmc_register_host_class(void); | |
| 14 | void mmc_unregister_host_class(void); | |
| 8ea926b2 | 15 | |
| dfa13ebb AH |
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); | |
| 5857b29b UH |
21 | void mmc_retune_pause(struct mmc_host *host); |
| 22 | void mmc_retune_unpause(struct mmc_host *host); | |
| 23 | ||
| cb39f61e AH |
24 | static inline void mmc_retune_hold_now(struct mmc_host *host) |
| 25 | { | |
| 26 | host->retune_now = 0; | |
| 27 | host->hold_retune += 1; | |
| 28 | } | |
| 29 | ||
| 5857b29b UH |
30 | static inline void mmc_retune_recheck(struct mmc_host *host) |
| 31 | { | |
| 32 | if (host->hold_retune <= 1) | |
| 33 | host->retune_now = 1; | |
| 34 | } | |
| 35 | ||
| 36 | static inline int mmc_host_cmd23(struct mmc_host *host) | |
| 37 | { | |
| 38 | return host->caps & MMC_CAP_CMD23; | |
| 39 | } | |
| 40 | ||
| 10f21df4 AH |
41 | static inline bool mmc_host_done_complete(struct mmc_host *host) |
| 42 | { | |
| 43 | return host->caps & MMC_CAP_DONE_COMPLETE; | |
| 44 | } | |
| 45 | ||
| 5857b29b UH |
46 | static inline int mmc_boot_partition_access(struct mmc_host *host) |
| 47 | { | |
| 48 | return !(host->caps2 & MMC_CAP2_BOOTPART_NOACC); | |
| 49 | } | |
| 50 | ||
| 51 | static inline int mmc_host_uhs(struct mmc_host *host) | |
| 52 | { | |
| 53 | return host->caps & | |
| 54 | (MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25 | | |
| 55 | MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR104 | | |
| d6743a8a SL |
56 | MMC_CAP_UHS_DDR50) && |
| 57 | host->caps & MMC_CAP_4_BIT_DATA; | |
| 5857b29b UH |
58 | } |
| 59 | ||
| 60 | static inline bool mmc_card_hs200(struct mmc_card *card) | |
| 61 | { | |
| 62 | return card->host->ios.timing == MMC_TIMING_MMC_HS200; | |
| 63 | } | |
| 64 | ||
| 65 | static inline bool mmc_card_ddr52(struct mmc_card *card) | |
| 66 | { | |
| 67 | return card->host->ios.timing == MMC_TIMING_MMC_DDR52; | |
| 68 | } | |
| 69 | ||
| 70 | static inline bool mmc_card_hs400(struct mmc_card *card) | |
| 71 | { | |
| 72 | return card->host->ios.timing == MMC_TIMING_MMC_HS400; | |
| 73 | } | |
| 74 | ||
| 75 | static inline bool mmc_card_hs400es(struct mmc_card *card) | |
| 76 | { | |
| 77 | return card->host->ios.enhanced_strobe; | |
| 78 | } | |
| 79 | ||
| b93931a6 PO |
80 | #endif |
| 81 |