blob: ba407617ed23abebb1ee19683e46a60d7ea96cf1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
/* 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;
}
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
|
