2 * linux/include/linux/mmc/card.h
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
8 * Card driver specific definitions.
10 #ifndef LINUX_MMC_CARD_H
11 #define LINUX_MMC_CARD_H
13 #include <linux/device.h>
14 #include <linux/mmc/core.h>
15 #include <linux/mod_devicetable.h>
29 unsigned char structure;
30 unsigned char mmca_vsn;
31 unsigned short cmdclass;
32 unsigned short tacc_clks;
35 unsigned int r2w_factor;
37 unsigned int erase_size; /* In sectors */
38 unsigned int read_blkbits;
39 unsigned int write_blkbits;
40 unsigned int capacity;
41 unsigned int read_partial:1,
50 u8 sec_feature_support;
59 unsigned int part_time; /* Units: ms */
60 unsigned int sa_timeout; /* Units: 100ns */
61 unsigned int generic_cmd6_time; /* Units: 10ms */
62 unsigned int power_off_longtime; /* Units: ms */
63 u8 power_off_notification; /* state */
64 unsigned int hs_max_dtr;
65 #define MMC_HIGH_26_MAX_DTR 26000000
66 #define MMC_HIGH_52_MAX_DTR 52000000
67 #define MMC_HIGH_DDR_MAX_DTR 52000000
68 #define MMC_HS200_MAX_DTR 200000000
70 unsigned int card_type;
71 unsigned int hc_erase_size; /* In sectors */
72 unsigned int hc_erase_timeout; /* In milliseconds */
73 unsigned int sec_trim_mult; /* Secure trim multiplier */
74 unsigned int sec_erase_mult; /* Secure erase multiplier */
75 unsigned int trim_timeout; /* In milliseconds */
76 bool enhanced_area_en; /* enable bit */
77 unsigned long long enhanced_area_offset; /* Units: Byte */
78 unsigned int enhanced_area_size; /* Units: KB */
79 unsigned int cache_size; /* Units: KB */
80 bool hpi_en; /* HPI enablebit */
81 bool hpi; /* HPI support bit */
82 unsigned int hpi_cmd; /* cmd used as HPI */
83 bool bkops; /* background support bit */
84 bool bkops_en; /* background enable bit */
85 unsigned int data_sector_size; /* 512 bytes or 4KB */
86 unsigned int data_tag_unit_size; /* DATA TAG UNIT size */
87 unsigned int boot_ro_lock; /* ro lock support */
88 bool boot_ro_lockable;
89 u8 raw_exception_status; /* 54 */
90 u8 raw_partition_support; /* 160 */
91 u8 raw_rpmb_size_mult; /* 168 */
92 u8 raw_erased_mem_count; /* 181 */
93 u8 raw_ext_csd_structure; /* 194 */
94 u8 raw_card_type; /* 196 */
95 u8 out_of_int_time; /* 198 */
96 u8 raw_s_a_timeout; /* 217 */
97 u8 raw_hc_erase_gap_size; /* 221 */
98 u8 raw_erase_timeout_mult; /* 223 */
99 u8 raw_hc_erase_grp_size; /* 224 */
100 u8 raw_sec_trim_mult; /* 229 */
101 u8 raw_sec_erase_mult; /* 230 */
102 u8 raw_sec_feature_support;/* 231 */
103 u8 raw_trim_mult; /* 232 */
104 u8 raw_bkops_status; /* 246 */
105 u8 raw_sectors[4]; /* 212 - 4 bytes */
107 unsigned int feature_support;
108 #define MMC_DISCARD_FEATURE BIT(0) /* CMD38 feature */
112 unsigned char sda_vsn;
113 unsigned char sda_spec3;
114 unsigned char bus_widths;
115 #define SD_SCR_BUS_WIDTH_1 (1<<0)
116 #define SD_SCR_BUS_WIDTH_4 (1<<2)
118 #define SD_SCR_CMD20_SUPPORT (1<<0)
119 #define SD_SCR_CMD23_SUPPORT (1<<1)
123 unsigned int au; /* In sectors */
124 unsigned int erase_timeout; /* In milliseconds */
125 unsigned int erase_offset; /* In milliseconds */
128 struct sd_switch_caps {
129 unsigned int hs_max_dtr;
130 unsigned int uhs_max_dtr;
131 #define HIGH_SPEED_MAX_DTR 50000000
132 #define UHS_SDR104_MAX_DTR 208000000
133 #define UHS_SDR50_MAX_DTR 100000000
134 #define UHS_DDR50_MAX_DTR 50000000
135 #define UHS_SDR25_MAX_DTR UHS_DDR50_MAX_DTR
136 #define UHS_SDR12_MAX_DTR 25000000
137 unsigned int sd3_bus_mode;
138 #define UHS_SDR12_BUS_SPEED 0
139 #define HIGH_SPEED_BUS_SPEED 1
140 #define UHS_SDR25_BUS_SPEED 1
141 #define UHS_SDR50_BUS_SPEED 2
142 #define UHS_SDR104_BUS_SPEED 3
143 #define UHS_DDR50_BUS_SPEED 4
145 #define SD_MODE_HIGH_SPEED (1 << HIGH_SPEED_BUS_SPEED)
146 #define SD_MODE_UHS_SDR12 (1 << UHS_SDR12_BUS_SPEED)
147 #define SD_MODE_UHS_SDR25 (1 << UHS_SDR25_BUS_SPEED)
148 #define SD_MODE_UHS_SDR50 (1 << UHS_SDR50_BUS_SPEED)
149 #define SD_MODE_UHS_SDR104 (1 << UHS_SDR104_BUS_SPEED)
150 #define SD_MODE_UHS_DDR50 (1 << UHS_DDR50_BUS_SPEED)
151 unsigned int sd3_drv_type;
152 #define SD_DRIVER_TYPE_B 0x01
153 #define SD_DRIVER_TYPE_A 0x02
154 #define SD_DRIVER_TYPE_C 0x04
155 #define SD_DRIVER_TYPE_D 0x08
156 unsigned int sd3_curr_limit;
157 #define SD_SET_CURRENT_LIMIT_200 0
158 #define SD_SET_CURRENT_LIMIT_400 1
159 #define SD_SET_CURRENT_LIMIT_600 2
160 #define SD_SET_CURRENT_LIMIT_800 3
161 #define SD_SET_CURRENT_NO_CHANGE (-1)
163 #define SD_MAX_CURRENT_200 (1 << SD_SET_CURRENT_LIMIT_200)
164 #define SD_MAX_CURRENT_400 (1 << SD_SET_CURRENT_LIMIT_400)
165 #define SD_MAX_CURRENT_600 (1 << SD_SET_CURRENT_LIMIT_600)
166 #define SD_MAX_CURRENT_800 (1 << SD_SET_CURRENT_LIMIT_800)
170 unsigned int sdio_vsn;
172 unsigned int multi_block:1,
181 unsigned short vendor;
182 unsigned short device;
183 unsigned short blksize;
184 unsigned int max_dtr;
189 struct sdio_func_tuple;
191 #define SDIO_MAX_FUNCS 7
193 enum mmc_blk_status {
205 /* The number of MMC physical partitions. These consist of:
206 * boot partitions (2), general purpose partitions (4) in MMC v4.4.
208 #define MMC_NUM_BOOT_PARTITION 2
209 #define MMC_NUM_GP_PARTITION 4
210 #define MMC_NUM_PHY_PARTITION 6
211 #define MAX_MMC_PART_NAME_LEN 20
214 * MMC Physical partitions
217 unsigned int size; /* partition size (in bytes) */
218 unsigned int part_cfg; /* partition type */
219 char name[MAX_MMC_PART_NAME_LEN];
220 bool force_ro; /* to make boot parts RO by default */
221 unsigned int area_type;
222 #define MMC_BLK_DATA_AREA_MAIN (1<<0)
223 #define MMC_BLK_DATA_AREA_BOOT (1<<1)
224 #define MMC_BLK_DATA_AREA_GP (1<<2)
225 #define MMC_BLK_DATA_AREA_RPMB (1<<3)
232 struct mmc_host *host; /* the host this device belongs to */
233 struct device dev; /* the device */
234 unsigned int rca; /* relative card address of device */
235 unsigned int type; /* card type */
236 #define MMC_TYPE_MMC 0 /* MMC card */
237 #define MMC_TYPE_SD 1 /* SD card */
238 #define MMC_TYPE_SDIO 2 /* SDIO card */
239 #define MMC_TYPE_SD_COMBO 3 /* SD combo (IO+mem) card */
240 unsigned int state; /* (our) card state */
241 #define MMC_STATE_PRESENT (1<<0) /* present in sysfs */
242 #define MMC_STATE_READONLY (1<<1) /* card is read-only */
243 #define MMC_STATE_HIGHSPEED (1<<2) /* card is in high speed mode */
244 #define MMC_STATE_BLOCKADDR (1<<3) /* card uses block-addressing */
245 #define MMC_STATE_HIGHSPEED_DDR (1<<4) /* card is in high speed mode */
246 #define MMC_STATE_ULTRAHIGHSPEED (1<<5) /* card is in ultra high speed mode */
247 #define MMC_CARD_SDXC (1<<6) /* card is SDXC */
248 #define MMC_CARD_REMOVED (1<<7) /* card has been removed */
249 #define MMC_STATE_HIGHSPEED_200 (1<<8) /* card is in HS200 mode */
250 #define MMC_STATE_DOING_BKOPS (1<<10) /* card is doing BKOPS */
251 unsigned int quirks; /* card quirks */
252 #define MMC_QUIRK_LENIENT_FN0 (1<<0) /* allow SDIO FN0 writes outside of the VS CCCR range */
253 #define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1) /* use func->cur_blksize */
255 #define MMC_QUIRK_NONSTD_SDIO (1<<2) /* non-standard SDIO card attached */
256 /* (missing CIA registers) */
257 #define MMC_QUIRK_BROKEN_CLK_GATING (1<<3) /* clock gating the sdio bus will make card fail */
258 #define MMC_QUIRK_NONSTD_FUNC_IF (1<<4) /* SDIO card has nonstd function interfaces */
259 #define MMC_QUIRK_DISABLE_CD (1<<5) /* disconnect CD/DAT[3] resistor */
260 #define MMC_QUIRK_INAND_CMD38 (1<<6) /* iNAND devices have broken CMD38 */
261 #define MMC_QUIRK_BLK_NO_CMD23 (1<<7) /* Avoid CMD23 for regular multiblock */
262 #define MMC_QUIRK_BROKEN_BYTE_MODE_512 (1<<8) /* Avoid sending 512 bytes in */
263 #define MMC_QUIRK_LONG_READ_TIME (1<<9) /* Data read time > CSD says */
264 #define MMC_QUIRK_SEC_ERASE_TRIM_BROKEN (1<<10) /* Skip secure for erase/trim */
267 unsigned int erase_size; /* erase size in sectors */
268 unsigned int erase_shift; /* if erase unit is power 2 */
269 unsigned int pref_erase; /* in sectors */
270 u8 erased_byte; /* value of erased bytes */
272 u32 raw_cid[4]; /* raw card CID */
273 u32 raw_csd[4]; /* raw card CSD */
274 u32 raw_scr[2]; /* raw card SCR */
275 struct mmc_cid cid; /* card identification */
276 struct mmc_csd csd; /* card specific */
277 struct mmc_ext_csd ext_csd; /* mmc v4 extended card specific */
278 struct sd_scr scr; /* extra SD information */
279 struct sd_ssr ssr; /* yet more SD information */
280 struct sd_switch_caps sw_caps; /* switch (CMD6) caps */
282 unsigned int sdio_funcs; /* number of SDIO functions */
283 struct sdio_cccr cccr; /* common card info */
284 struct sdio_cis cis; /* common tuple info */
285 struct sdio_func *sdio_func[SDIO_MAX_FUNCS]; /* SDIO functions (devices) */
286 struct sdio_func *sdio_single_irq; /* SDIO function when only one IRQ active */
287 unsigned num_info; /* number of info strings */
288 const char **info; /* info strings */
289 struct sdio_func_tuple *tuples; /* unknown common tuples */
291 unsigned int sd_bus_speed; /* Bus Speed Mode set for the card */
293 struct dentry *debugfs_root;
294 struct mmc_part part[MMC_NUM_PHY_PARTITION]; /* physical partitions */
295 unsigned int nr_parts;
299 * This function fill contents in mmc_part.
301 static inline void mmc_part_add(struct mmc_card *card, unsigned int size,
302 unsigned int part_cfg, char *name, int idx, bool ro,
305 card->part[card->nr_parts].size = size;
306 card->part[card->nr_parts].part_cfg = part_cfg;
307 sprintf(card->part[card->nr_parts].name, name, idx);
308 card->part[card->nr_parts].force_ro = ro;
309 card->part[card->nr_parts].area_type = area_type;
313 static inline bool mmc_large_sector(struct mmc_card *card)
315 return card->ext_csd.data_sector_size == 4096;
319 * The world is not perfect and supplies us with broken mmc/sdio devices.
320 * For at least some of these bugs we need a work-around.
324 /* CID-specific fields. */
327 /* Valid revision range */
328 u64 rev_start, rev_end;
331 unsigned short oemid;
333 /* SDIO-specfic fields. You can use SDIO_ANY_ID here of course */
334 u16 cis_vendor, cis_device;
336 void (*vendor_fixup)(struct mmc_card *card, int data);
340 #define CID_MANFID_ANY (-1u)
341 #define CID_OEMID_ANY ((unsigned short) -1)
342 #define CID_NAME_ANY (NULL)
344 #define END_FIXUP { 0 }
346 #define _FIXUP_EXT(_name, _manfid, _oemid, _rev_start, _rev_end, \
347 _cis_vendor, _cis_device, \
351 .manfid = (_manfid), \
353 .rev_start = (_rev_start), \
354 .rev_end = (_rev_end), \
355 .cis_vendor = (_cis_vendor), \
356 .cis_device = (_cis_device), \
357 .vendor_fixup = (_fixup), \
361 #define MMC_FIXUP_REV(_name, _manfid, _oemid, _rev_start, _rev_end, \
363 _FIXUP_EXT(_name, _manfid, \
364 _oemid, _rev_start, _rev_end, \
365 SDIO_ANY_ID, SDIO_ANY_ID, \
368 #define MMC_FIXUP(_name, _manfid, _oemid, _fixup, _data) \
369 MMC_FIXUP_REV(_name, _manfid, _oemid, 0, -1ull, _fixup, _data)
371 #define SDIO_FIXUP(_vendor, _device, _fixup, _data) \
372 _FIXUP_EXT(CID_NAME_ANY, CID_MANFID_ANY, \
373 CID_OEMID_ANY, 0, -1ull, \
377 #define cid_rev(hwrev, fwrev, year, month) \
378 (((u64) hwrev) << 40 | \
379 ((u64) fwrev) << 32 | \
380 ((u64) year) << 16 | \
383 #define cid_rev_card(card) \
384 cid_rev(card->cid.hwrev, \
390 * Unconditionally quirk add/remove.
393 static inline void __maybe_unused add_quirk(struct mmc_card *card, int data)
395 card->quirks |= data;
398 static inline void __maybe_unused remove_quirk(struct mmc_card *card, int data)
400 card->quirks &= ~data;
403 #define mmc_card_mmc(c) ((c)->type == MMC_TYPE_MMC)
404 #define mmc_card_sd(c) ((c)->type == MMC_TYPE_SD)
405 #define mmc_card_sdio(c) ((c)->type == MMC_TYPE_SDIO)
407 #define mmc_card_present(c) ((c)->state & MMC_STATE_PRESENT)
408 #define mmc_card_readonly(c) ((c)->state & MMC_STATE_READONLY)
409 #define mmc_card_highspeed(c) ((c)->state & MMC_STATE_HIGHSPEED)
410 #define mmc_card_hs200(c) ((c)->state & MMC_STATE_HIGHSPEED_200)
411 #define mmc_card_blockaddr(c) ((c)->state & MMC_STATE_BLOCKADDR)
412 #define mmc_card_ddr_mode(c) ((c)->state & MMC_STATE_HIGHSPEED_DDR)
413 #define mmc_card_uhs(c) ((c)->state & MMC_STATE_ULTRAHIGHSPEED)
414 #define mmc_sd_card_uhs(c) ((c)->state & MMC_STATE_ULTRAHIGHSPEED)
415 #define mmc_card_ext_capacity(c) ((c)->state & MMC_CARD_SDXC)
416 #define mmc_card_removed(c) ((c) && ((c)->state & MMC_CARD_REMOVED))
417 #define mmc_card_doing_bkops(c) ((c)->state & MMC_STATE_DOING_BKOPS)
419 #define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT)
420 #define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY)
421 #define mmc_card_set_highspeed(c) ((c)->state |= MMC_STATE_HIGHSPEED)
422 #define mmc_card_set_hs200(c) ((c)->state |= MMC_STATE_HIGHSPEED_200)
423 #define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR)
424 #define mmc_card_set_ddr_mode(c) ((c)->state |= MMC_STATE_HIGHSPEED_DDR)
425 #define mmc_card_set_uhs(c) ((c)->state |= MMC_STATE_ULTRAHIGHSPEED)
426 #define mmc_sd_card_set_uhs(c) ((c)->state |= MMC_STATE_ULTRAHIGHSPEED)
427 #define mmc_card_set_ext_capacity(c) ((c)->state |= MMC_CARD_SDXC)
428 #define mmc_card_set_removed(c) ((c)->state |= MMC_CARD_REMOVED)
429 #define mmc_card_set_doing_bkops(c) ((c)->state |= MMC_STATE_DOING_BKOPS)
430 #define mmc_card_clr_doing_bkops(c) ((c)->state &= ~MMC_STATE_DOING_BKOPS)
433 * Quirk add/remove for MMC products.
436 static inline void __maybe_unused add_quirk_mmc(struct mmc_card *card, int data)
438 if (mmc_card_mmc(card))
439 card->quirks |= data;
442 static inline void __maybe_unused remove_quirk_mmc(struct mmc_card *card,
445 if (mmc_card_mmc(card))
446 card->quirks &= ~data;
450 * Quirk add/remove for SD products.
453 static inline void __maybe_unused add_quirk_sd(struct mmc_card *card, int data)
455 if (mmc_card_sd(card))
456 card->quirks |= data;
459 static inline void __maybe_unused remove_quirk_sd(struct mmc_card *card,
462 if (mmc_card_sd(card))
463 card->quirks &= ~data;
466 static inline int mmc_card_lenient_fn0(const struct mmc_card *c)
468 return c->quirks & MMC_QUIRK_LENIENT_FN0;
471 static inline int mmc_blksz_for_byte_mode(const struct mmc_card *c)
473 return c->quirks & MMC_QUIRK_BLKSZ_FOR_BYTE_MODE;
476 static inline int mmc_card_disable_cd(const struct mmc_card *c)
478 return c->quirks & MMC_QUIRK_DISABLE_CD;
481 static inline int mmc_card_nonstd_func_interface(const struct mmc_card *c)
483 return c->quirks & MMC_QUIRK_NONSTD_FUNC_IF;
486 static inline int mmc_card_broken_byte_mode_512(const struct mmc_card *c)
488 return c->quirks & MMC_QUIRK_BROKEN_BYTE_MODE_512;
491 static inline int mmc_card_long_read_time(const struct mmc_card *c)
493 return c->quirks & MMC_QUIRK_LONG_READ_TIME;
496 #define mmc_card_name(c) ((c)->cid.prod_name)
497 #define mmc_card_id(c) (dev_name(&(c)->dev))
499 #define mmc_dev_to_card(d) container_of(d, struct mmc_card, dev)
501 #define mmc_list_to_card(l) container_of(l, struct mmc_card, node)
502 #define mmc_get_drvdata(c) dev_get_drvdata(&(c)->dev)
503 #define mmc_set_drvdata(c,d) dev_set_drvdata(&(c)->dev, d)
506 * MMC device driver (e.g., Flash card, I/O card...)
509 struct device_driver drv;
510 int (*probe)(struct mmc_card *);
511 void (*remove)(struct mmc_card *);
512 int (*suspend)(struct mmc_card *);
513 int (*resume)(struct mmc_card *);
516 extern int mmc_register_driver(struct mmc_driver *);
517 extern void mmc_unregister_driver(struct mmc_driver *);
519 extern void mmc_fixup_device(struct mmc_card *card,
520 const struct mmc_fixup *table);
522 #endif /* LINUX_MMC_CARD_H */