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