drivers/mmc/core/card.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Private header for the mmc subsystem
   4  *
   5  * Copyright (C) 2016 Linaro Ltd
   6  *
   7  * Author: Ulf Hansson <ulf.hansson@linaro.org>
   8  */
   9
  10 #ifndef _MMC_CORE_CARD_H
  11 #define _MMC_CORE_CARD_H
  12
  13 #include <linux/mmc/card.h>
  14
  15 #define mmc_card_name(c)        ((c)->cid.prod_name)
  16 #define mmc_card_id(c)          (dev_name(&(c)->dev))
  17 #define mmc_dev_to_card(d)      container_of(d, struct mmc_card, dev)
  18
  19 /* Card states */
  20 #define MMC_STATE_PRESENT       (1<<0)          /* present in sysfs */
  21 #define MMC_STATE_READONLY      (1<<1)          /* card is read-only */
  22 #define MMC_STATE_BLOCKADDR     (1<<2)          /* card uses block-addressing */
  23 #define MMC_CARD_SDXC           (1<<3)          /* card is SDXC */
  24 #define MMC_CARD_REMOVED        (1<<4)          /* card has been removed */
  25 #define MMC_STATE_SUSPENDED     (1<<5)          /* card is suspended */
  26
  27 #define mmc_card_present(c)     ((c)->state & MMC_STATE_PRESENT)
  28 #define mmc_card_readonly(c)    ((c)->state & MMC_STATE_READONLY)
  29 #define mmc_card_blockaddr(c)   ((c)->state & MMC_STATE_BLOCKADDR)
  30 #define mmc_card_ext_capacity(c) ((c)->state & MMC_CARD_SDXC)
  31 #define mmc_card_removed(c)     ((c) && ((c)->state & MMC_CARD_REMOVED))
  32 #define mmc_card_suspended(c)   ((c)->state & MMC_STATE_SUSPENDED)
  33
  34 #define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT)
  35 #define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY)
  36 #define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR)
  37 #define mmc_card_set_ext_capacity(c) ((c)->state |= MMC_CARD_SDXC)
  38 #define mmc_card_set_removed(c) ((c)->state |= MMC_CARD_REMOVED)
  39 #define mmc_card_set_suspended(c) ((c)->state |= MMC_STATE_SUSPENDED)
  40 #define mmc_card_clr_suspended(c) ((c)->state &= ~MMC_STATE_SUSPENDED)
  41
  42 /*
  43  * The world is not perfect and supplies us with broken mmc/sdio devices.
  44  * For at least some of these bugs we need a work-around.
  45  */
  46 struct mmc_fixup {
  47         /* CID-specific fields. */
  48         const char *name;
  49
  50         /* Valid revision range */
  51         u64 rev_start, rev_end;
  52
  53         unsigned int manfid;
  54         unsigned short oemid;
  55
  56         /* SDIO-specific fields. You can use SDIO_ANY_ID here of course */
  57         u16 cis_vendor, cis_device;
  58
  59         /* for MMC cards */
  60         unsigned int ext_csd_rev;
  61
  62         void (*vendor_fixup)(struct mmc_card *card, int data);
  63         int data;
  64 };
  65
  66 #define CID_MANFID_ANY (-1u)
  67 #define CID_OEMID_ANY ((unsigned short) -1)
  68 #define CID_NAME_ANY (NULL)
  69
  70 #define EXT_CSD_REV_ANY (-1u)
  71
  72 #define CID_MANFID_SANDISK      0x2
  73 #define CID_MANFID_ATP          0x9
  74 #define CID_MANFID_TOSHIBA      0x11
  75 #define CID_MANFID_MICRON       0x13
  76 #define CID_MANFID_SAMSUNG      0x15
  77 #define CID_MANFID_APACER       0x27
  78 #define CID_MANFID_KINGSTON     0x70
  79 #define CID_MANFID_HYNIX        0x90
  80 #define CID_MANFID_NUMONYX      0xFE
  81
  82 #define END_FIXUP { NULL }
  83
  84 #define _FIXUP_EXT(_name, _manfid, _oemid, _rev_start, _rev_end,        \
  85                    _cis_vendor, _cis_device,                            \
  86                    _fixup, _data, _ext_csd_rev)                         \
  87         {                                               \
  88                 .name = (_name),                        \
  89                 .manfid = (_manfid),                    \
  90                 .oemid = (_oemid),                      \
  91                 .rev_start = (_rev_start),              \
  92                 .rev_end = (_rev_end),                  \
  93                 .cis_vendor = (_cis_vendor),            \
  94                 .cis_device = (_cis_device),            \
  95                 .vendor_fixup = (_fixup),               \
  96                 .data = (_data),                        \
  97                 .ext_csd_rev = (_ext_csd_rev),          \
  98         }
  99
 100 #define MMC_FIXUP_REV(_name, _manfid, _oemid, _rev_start, _rev_end,     \
 101                       _fixup, _data, _ext_csd_rev)                      \
 102         _FIXUP_EXT(_name, _manfid,                                      \
 103                    _oemid, _rev_start, _rev_end,                        \
 104                    SDIO_ANY_ID, SDIO_ANY_ID,                            \
 105                    _fixup, _data, _ext_csd_rev)                         \
 106
 107 #define MMC_FIXUP(_name, _manfid, _oemid, _fixup, _data) \
 108         MMC_FIXUP_REV(_name, _manfid, _oemid, 0, -1ull, _fixup, _data,  \
 109                       EXT_CSD_REV_ANY)
 110
 111 #define MMC_FIXUP_EXT_CSD_REV(_name, _manfid, _oemid, _fixup, _data,    \
 112                               _ext_csd_rev)                             \
 113         MMC_FIXUP_REV(_name, _manfid, _oemid, 0, -1ull, _fixup, _data,  \
 114                       _ext_csd_rev)
 115
 116 #define SDIO_FIXUP(_vendor, _device, _fixup, _data)                     \
 117         _FIXUP_EXT(CID_NAME_ANY, CID_MANFID_ANY,                        \
 118                     CID_OEMID_ANY, 0, -1ull,                            \
 119                    _vendor, _device,                                    \
 120                    _fixup, _data, EXT_CSD_REV_ANY)                      \
 121
 122 #define cid_rev(hwrev, fwrev, year, month)      \
 123         (((u64) hwrev) << 40 |                  \
 124          ((u64) fwrev) << 32 |                  \
 125          ((u64) year) << 16 |                   \
 126          ((u64) month))
 127
 128 #define cid_rev_card(card)                      \
 129         cid_rev(card->cid.hwrev,                \
 130                     card->cid.fwrev,            \
 131                     card->cid.year,             \
 132                     card->cid.month)
 133
 134 /*
 135  * Unconditionally quirk add/remove.
 136  */
 137 static inline void __maybe_unused add_quirk(struct mmc_card *card, int data)
 138 {
 139         card->quirks |= data;
 140 }
 141
 142 static inline void __maybe_unused remove_quirk(struct mmc_card *card, int data)
 143 {
 144         card->quirks &= ~data;
 145 }
 146
 147 static inline void __maybe_unused add_limit_rate_quirk(struct mmc_card *card,
 148                                                        int data)
 149 {
 150         card->quirk_max_rate = data;
 151 }
 152
 153 /*
 154  * Quirk add/remove for MMC products.
 155  */
 156 static inline void __maybe_unused add_quirk_mmc(struct mmc_card *card, int data)
 157 {
 158         if (mmc_card_mmc(card))
 159                 card->quirks |= data;
 160 }
 161
 162 static inline void __maybe_unused remove_quirk_mmc(struct mmc_card *card,
 163                                                    int data)
 164 {
 165         if (mmc_card_mmc(card))
 166                 card->quirks &= ~data;
 167 }
 168
 169 /*
 170  * Quirk add/remove for SD products.
 171  */
 172 static inline void __maybe_unused add_quirk_sd(struct mmc_card *card, int data)
 173 {
 174         if (mmc_card_sd(card))
 175                 card->quirks |= data;
 176 }
 177
 178 static inline void __maybe_unused remove_quirk_sd(struct mmc_card *card,
 179                                                    int data)
 180 {
 181         if (mmc_card_sd(card))
 182                 card->quirks &= ~data;
 183 }
 184
 185 static inline int mmc_card_lenient_fn0(const struct mmc_card *c)
 186 {
 187         return c->quirks & MMC_QUIRK_LENIENT_FN0;
 188 }
 189
 190 static inline int mmc_blksz_for_byte_mode(const struct mmc_card *c)
 191 {
 192         return c->quirks & MMC_QUIRK_BLKSZ_FOR_BYTE_MODE;
 193 }
 194
 195 static inline int mmc_card_disable_cd(const struct mmc_card *c)
 196 {
 197         return c->quirks & MMC_QUIRK_DISABLE_CD;
 198 }
 199
 200 static inline int mmc_card_nonstd_func_interface(const struct mmc_card *c)
 201 {
 202         return c->quirks & MMC_QUIRK_NONSTD_FUNC_IF;
 203 }
 204
 205 static inline int mmc_card_broken_byte_mode_512(const struct mmc_card *c)
 206 {
 207         return c->quirks & MMC_QUIRK_BROKEN_BYTE_MODE_512;
 208 }
 209
 210 static inline int mmc_card_long_read_time(const struct mmc_card *c)
 211 {
 212         return c->quirks & MMC_QUIRK_LONG_READ_TIME;
 213 }
 214
 215 static inline int mmc_card_broken_irq_polling(const struct mmc_card *c)
 216 {
 217         return c->quirks & MMC_QUIRK_BROKEN_IRQ_POLLING;
 218 }
 219
 220 static inline int mmc_card_broken_hpi(const struct mmc_card *c)
 221 {
 222         return c->quirks & MMC_QUIRK_BROKEN_HPI;
 223 }
 224
 225 #endif