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>
30 unsigned char structure;
31 unsigned char mmca_vsn;
32 unsigned short cmdclass;
33 unsigned short tacc_clks;
36 unsigned int r2w_factor;
38 unsigned int erase_size; /* In sectors */
39 unsigned int read_blkbits;
40 unsigned int write_blkbits;
41 unsigned int capacity;
42 unsigned int read_partial:1,
51 u8 sec_feature_support;
60 unsigned int part_time; /* Units: ms */
61 unsigned int sa_timeout; /* Units: 100ns */
62 unsigned int generic_cmd6_time; /* Units: 10ms */
63 unsigned int power_off_longtime; /* Units: ms */
64 u8 power_off_notification; /* state */
65 unsigned int hs_max_dtr;
66 unsigned int hs200_max_dtr;
67 #define MMC_HIGH_26_MAX_DTR 26000000
68 #define MMC_HIGH_52_MAX_DTR 52000000
69 #define MMC_HIGH_DDR_MAX_DTR 52000000
70 #define MMC_HS200_MAX_DTR 200000000
72 unsigned int hc_erase_size; /* In sectors */
73 unsigned int hc_erase_timeout; /* In milliseconds */
74 unsigned int sec_trim_mult; /* Secure trim multiplier */
75 unsigned int sec_erase_mult; /* Secure erase multiplier */
76 unsigned int trim_timeout; /* In milliseconds */
77 bool enhanced_area_en; /* enable bit */
78 unsigned long long enhanced_area_offset; /* Units: Byte */
79 unsigned int enhanced_area_size; /* Units: KB */
80 unsigned int cache_size; /* Units: KB */
81 bool hpi_en; /* HPI enablebit */
82 bool hpi; /* HPI support bit */
83 unsigned int hpi_cmd; /* cmd used as HPI */
84 bool bkops; /* background support bit */
85 bool bkops_en; /* background enable bit */
86 unsigned int data_sector_size; /* 512 bytes or 4KB */
87 unsigned int data_tag_unit_size; /* DATA TAG UNIT size */
88 unsigned int boot_ro_lock; /* ro lock support */
89 bool boot_ro_lockable;
90 u8 raw_exception_status; /* 54 */
91 u8 raw_partition_support; /* 160 */
92 u8 raw_rpmb_size_mult; /* 168 */
93 u8 raw_erased_mem_count; /* 181 */
94 u8 raw_ext_csd_structure; /* 194 */
95 u8 raw_card_type; /* 196 */
96 u8 out_of_int_time; /* 198 */
97 u8 raw_pwr_cl_52_195; /* 200 */
98 u8 raw_pwr_cl_26_195; /* 201 */
99 u8 raw_pwr_cl_52_360; /* 202 */
100 u8 raw_pwr_cl_26_360; /* 203 */
101 u8 raw_s_a_timeout; /* 217 */
102 u8 raw_hc_erase_gap_size; /* 221 */
103 u8 raw_erase_timeout_mult; /* 223 */
104 u8 raw_hc_erase_grp_size; /* 224 */
105 u8 raw_sec_trim_mult; /* 229 */
106 u8 raw_sec_erase_mult; /* 230 */
107 u8 raw_sec_feature_support;/* 231 */
108 u8 raw_trim_mult; /* 232 */
109 u8 raw_pwr_cl_200_195; /* 236 */
110 u8 raw_pwr_cl_200_360; /* 237 */
111 u8 raw_pwr_cl_ddr_52_195; /* 238 */
112 u8 raw_pwr_cl_ddr_52_360; /* 239 */
113 u8 raw_bkops_status; /* 246 */
114 u8 raw_sectors[4]; /* 212 - 4 bytes */
116 unsigned int feature_support;
117 #define MMC_DISCARD_FEATURE BIT(0) /* CMD38 feature */
121 unsigned char sda_vsn;
122 unsigned char sda_spec3;
123 unsigned char bus_widths;
124 #define SD_SCR_BUS_WIDTH_1 (1<<0)
125 #define SD_SCR_BUS_WIDTH_4 (1<<2)
127 #define SD_SCR_CMD20_SUPPORT (1<<0)
128 #define SD_SCR_CMD23_SUPPORT (1<<1)
132 unsigned int au; /* In sectors */
133 unsigned int erase_timeout; /* In milliseconds */
134 unsigned int erase_offset; /* In milliseconds */
137 struct sd_switch_caps {
138 unsigned int hs_max_dtr;
139 unsigned int uhs_max_dtr;
140 #define HIGH_SPEED_MAX_DTR 50000000
141 #define UHS_SDR104_MAX_DTR 208000000
142 #define UHS_SDR50_MAX_DTR 100000000
143 #define UHS_DDR50_MAX_DTR 50000000
144 #define UHS_SDR25_MAX_DTR UHS_DDR50_MAX_DTR
145 #define UHS_SDR12_MAX_DTR 25000000
146 unsigned int sd3_bus_mode;
147 #define UHS_SDR12_BUS_SPEED 0
148 #define HIGH_SPEED_BUS_SPEED 1
149 #define UHS_SDR25_BUS_SPEED 1
150 #define UHS_SDR50_BUS_SPEED 2
151 #define UHS_SDR104_BUS_SPEED 3
152 #define UHS_DDR50_BUS_SPEED 4
154 #define SD_MODE_HIGH_SPEED (1 << HIGH_SPEED_BUS_SPEED)
155 #define SD_MODE_UHS_SDR12 (1 << UHS_SDR12_BUS_SPEED)
156 #define SD_MODE_UHS_SDR25 (1 << UHS_SDR25_BUS_SPEED)
157 #define SD_MODE_UHS_SDR50 (1 << UHS_SDR50_BUS_SPEED)
158 #define SD_MODE_UHS_SDR104 (1 << UHS_SDR104_BUS_SPEED)
159 #define SD_MODE_UHS_DDR50 (1 << UHS_DDR50_BUS_SPEED)
160 unsigned int sd3_drv_type;
161 #define SD_DRIVER_TYPE_B 0x01
162 #define SD_DRIVER_TYPE_A 0x02
163 #define SD_DRIVER_TYPE_C 0x04
164 #define SD_DRIVER_TYPE_D 0x08
165 unsigned int sd3_curr_limit;
166 #define SD_SET_CURRENT_LIMIT_200 0
167 #define SD_SET_CURRENT_LIMIT_400 1
168 #define SD_SET_CURRENT_LIMIT_600 2
169 #define SD_SET_CURRENT_LIMIT_800 3
170 #define SD_SET_CURRENT_NO_CHANGE (-1)
172 #define SD_MAX_CURRENT_200 (1 << SD_SET_CURRENT_LIMIT_200)
173 #define SD_MAX_CURRENT_400 (1 << SD_SET_CURRENT_LIMIT_400)
174 #define SD_MAX_CURRENT_600 (1 << SD_SET_CURRENT_LIMIT_600)
175 #define SD_MAX_CURRENT_800 (1 << SD_SET_CURRENT_LIMIT_800)
179 unsigned int sdio_vsn;
181 unsigned int multi_block:1,
190 unsigned short vendor;
191 unsigned short device;
192 unsigned short blksize;
193 unsigned int max_dtr;
199 struct sdio_func_tuple;
201 #define SDIO_MAX_FUNCS 7
203 enum mmc_blk_status {
215 /* The number of MMC physical partitions. These consist of:
216 * boot partitions (2), general purpose partitions (4) in MMC v4.4.
218 #define MMC_NUM_BOOT_PARTITION 2
219 #define MMC_NUM_GP_PARTITION 4
220 #define MMC_NUM_PHY_PARTITION 6
221 #define MAX_MMC_PART_NAME_LEN 20
224 * MMC Physical partitions
227 unsigned int size; /* partition size (in bytes) */
228 unsigned int part_cfg; /* partition type */
229 char name[MAX_MMC_PART_NAME_LEN];
230 bool force_ro; /* to make boot parts RO by default */
231 unsigned int area_type;
232 #define MMC_BLK_DATA_AREA_MAIN (1<<0)
233 #define MMC_BLK_DATA_AREA_BOOT (1<<1)
234 #define MMC_BLK_DATA_AREA_GP (1<<2)
235 #define MMC_BLK_DATA_AREA_RPMB (1<<3)
242 struct mmc_host *host; /* the host this device belongs to */
243 struct device dev; /* the device */
244 u32 ocr; /* the current OCR setting */
245 unsigned int rca; /* relative card address of device */
246 unsigned int type; /* card type */
247 #define MMC_TYPE_MMC 0 /* MMC card */
248 #define MMC_TYPE_SD 1 /* SD card */
249 #define MMC_TYPE_SDIO 2 /* SDIO card */
250 #define MMC_TYPE_SD_COMBO 3 /* SD combo (IO+mem) card */
251 unsigned int state; /* (our) card state */
252 #define MMC_STATE_PRESENT (1<<0) /* present in sysfs */
253 #define MMC_STATE_READONLY (1<<1) /* card is read-only */
254 #define MMC_STATE_BLOCKADDR (1<<2) /* card uses block-addressing */
255 #define MMC_CARD_SDXC (1<<3) /* card is SDXC */
256 #define MMC_CARD_REMOVED (1<<4) /* card has been removed */
257 #define MMC_STATE_DOING_BKOPS (1<<5) /* card is doing BKOPS */
258 #define MMC_STATE_SUSPENDED (1<<6) /* card is suspended */
259 unsigned int quirks; /* card quirks */
260 #define MMC_QUIRK_LENIENT_FN0 (1<<0) /* allow SDIO FN0 writes outside of the VS CCCR range */
261 #define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1) /* use func->cur_blksize */
263 #define MMC_QUIRK_NONSTD_SDIO (1<<2) /* non-standard SDIO card attached */
264 /* (missing CIA registers) */
265 #define MMC_QUIRK_BROKEN_CLK_GATING (1<<3) /* clock gating the sdio bus will make card fail */
266 #define MMC_QUIRK_NONSTD_FUNC_IF (1<<4) /* SDIO card has nonstd function interfaces */
267 #define MMC_QUIRK_DISABLE_CD (1<<5) /* disconnect CD/DAT[3] resistor */
268 #define MMC_QUIRK_INAND_CMD38 (1<<6) /* iNAND devices have broken CMD38 */
269 #define MMC_QUIRK_BLK_NO_CMD23 (1<<7) /* Avoid CMD23 for regular multiblock */
270 #define MMC_QUIRK_BROKEN_BYTE_MODE_512 (1<<8) /* Avoid sending 512 bytes in */
272 #define MMC_QUIRK_LONG_READ_TIME (1<<9) /* Data read time > CSD says */
273 #define MMC_QUIRK_SEC_ERASE_TRIM_BROKEN (1<<10) /* Skip secure for erase/trim */
274 #define MMC_QUIRK_BROKEN_IRQ_POLLING (1<<11) /* Polling SDIO_CCCR_INTx could create a fake interrupt */
276 unsigned int erase_size; /* erase size in sectors */
277 unsigned int erase_shift; /* if erase unit is power 2 */
278 unsigned int pref_erase; /* in sectors */
279 u8 erased_byte; /* value of erased bytes */
281 u32 raw_cid[4]; /* raw card CID */
282 u32 raw_csd[4]; /* raw card CSD */
283 u32 raw_scr[2]; /* raw card SCR */
284 struct mmc_cid cid; /* card identification */
285 struct mmc_csd csd; /* card specific */
286 struct mmc_ext_csd ext_csd; /* mmc v4 extended card specific */
287 struct sd_scr scr; /* extra SD information */
288 struct sd_ssr ssr; /* yet more SD information */
289 struct sd_switch_caps sw_caps; /* switch (CMD6) caps */
291 unsigned int sdio_funcs; /* number of SDIO functions */
292 struct sdio_cccr cccr; /* common card info */
293 struct sdio_cis cis; /* common tuple info */
294 struct sdio_func *sdio_func[SDIO_MAX_FUNCS]; /* SDIO functions (devices) */
295 struct sdio_func *sdio_single_irq; /* SDIO function when only one IRQ active */
296 unsigned num_info; /* number of info strings */
297 const char **info; /* info strings */
298 struct sdio_func_tuple *tuples; /* unknown common tuples */
300 unsigned int sd_bus_speed; /* Bus Speed Mode set for the card */
301 unsigned int mmc_avail_type; /* supported device type by both host and card */
303 struct dentry *debugfs_root;
304 struct mmc_part part[MMC_NUM_PHY_PARTITION]; /* physical partitions */
305 unsigned int nr_parts;
309 * This function fill contents in mmc_part.
311 static inline void mmc_part_add(struct mmc_card *card, unsigned int size,
312 unsigned int part_cfg, char *name, int idx, bool ro,
315 card->part[card->nr_parts].size = size;
316 card->part[card->nr_parts].part_cfg = part_cfg;
317 sprintf(card->part[card->nr_parts].name, name, idx);
318 card->part[card->nr_parts].force_ro = ro;
319 card->part[card->nr_parts].area_type = area_type;
323 static inline bool mmc_large_sector(struct mmc_card *card)
325 return card->ext_csd.data_sector_size == 4096;
329 * The world is not perfect and supplies us with broken mmc/sdio devices.
330 * For at least some of these bugs we need a work-around.
334 /* CID-specific fields. */
337 /* Valid revision range */
338 u64 rev_start, rev_end;
341 unsigned short oemid;
343 /* SDIO-specfic fields. You can use SDIO_ANY_ID here of course */
344 u16 cis_vendor, cis_device;
346 void (*vendor_fixup)(struct mmc_card *card, int data);
350 #define CID_MANFID_ANY (-1u)
351 #define CID_OEMID_ANY ((unsigned short) -1)
352 #define CID_NAME_ANY (NULL)
354 #define END_FIXUP { NULL }
356 #define _FIXUP_EXT(_name, _manfid, _oemid, _rev_start, _rev_end, \
357 _cis_vendor, _cis_device, \
361 .manfid = (_manfid), \
363 .rev_start = (_rev_start), \
364 .rev_end = (_rev_end), \
365 .cis_vendor = (_cis_vendor), \
366 .cis_device = (_cis_device), \
367 .vendor_fixup = (_fixup), \
371 #define MMC_FIXUP_REV(_name, _manfid, _oemid, _rev_start, _rev_end, \
373 _FIXUP_EXT(_name, _manfid, \
374 _oemid, _rev_start, _rev_end, \
375 SDIO_ANY_ID, SDIO_ANY_ID, \
378 #define MMC_FIXUP(_name, _manfid, _oemid, _fixup, _data) \
379 MMC_FIXUP_REV(_name, _manfid, _oemid, 0, -1ull, _fixup, _data)
381 #define SDIO_FIXUP(_vendor, _device, _fixup, _data) \
382 _FIXUP_EXT(CID_NAME_ANY, CID_MANFID_ANY, \
383 CID_OEMID_ANY, 0, -1ull, \
387 #define cid_rev(hwrev, fwrev, year, month) \
388 (((u64) hwrev) << 40 | \
389 ((u64) fwrev) << 32 | \
390 ((u64) year) << 16 | \
393 #define cid_rev_card(card) \
394 cid_rev(card->cid.hwrev, \
400 * Unconditionally quirk add/remove.
403 static inline void __maybe_unused add_quirk(struct mmc_card *card, int data)
405 card->quirks |= data;
408 static inline void __maybe_unused remove_quirk(struct mmc_card *card, int data)
410 card->quirks &= ~data;
413 #define mmc_card_mmc(c) ((c)->type == MMC_TYPE_MMC)
414 #define mmc_card_sd(c) ((c)->type == MMC_TYPE_SD)
415 #define mmc_card_sdio(c) ((c)->type == MMC_TYPE_SDIO)
417 #define mmc_card_present(c) ((c)->state & MMC_STATE_PRESENT)
418 #define mmc_card_readonly(c) ((c)->state & MMC_STATE_READONLY)
419 #define mmc_card_blockaddr(c) ((c)->state & MMC_STATE_BLOCKADDR)
420 #define mmc_card_ext_capacity(c) ((c)->state & MMC_CARD_SDXC)
421 #define mmc_card_removed(c) ((c) && ((c)->state & MMC_CARD_REMOVED))
422 #define mmc_card_doing_bkops(c) ((c)->state & MMC_STATE_DOING_BKOPS)
423 #define mmc_card_suspended(c) ((c)->state & MMC_STATE_SUSPENDED)
425 #define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT)
426 #define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY)
427 #define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR)
428 #define mmc_card_set_ext_capacity(c) ((c)->state |= MMC_CARD_SDXC)
429 #define mmc_card_set_removed(c) ((c)->state |= MMC_CARD_REMOVED)
430 #define mmc_card_set_doing_bkops(c) ((c)->state |= MMC_STATE_DOING_BKOPS)
431 #define mmc_card_clr_doing_bkops(c) ((c)->state &= ~MMC_STATE_DOING_BKOPS)
432 #define mmc_card_set_suspended(c) ((c)->state |= MMC_STATE_SUSPENDED)
433 #define mmc_card_clr_suspended(c) ((c)->state &= ~MMC_STATE_SUSPENDED)
436 * Quirk add/remove for MMC products.
439 static inline void __maybe_unused add_quirk_mmc(struct mmc_card *card, int data)
441 if (mmc_card_mmc(card))
442 card->quirks |= data;
445 static inline void __maybe_unused remove_quirk_mmc(struct mmc_card *card,
448 if (mmc_card_mmc(card))
449 card->quirks &= ~data;
453 * Quirk add/remove for SD products.
456 static inline void __maybe_unused add_quirk_sd(struct mmc_card *card, int data)
458 if (mmc_card_sd(card))
459 card->quirks |= data;
462 static inline void __maybe_unused remove_quirk_sd(struct mmc_card *card,
465 if (mmc_card_sd(card))
466 card->quirks &= ~data;
469 static inline int mmc_card_lenient_fn0(const struct mmc_card *c)
471 return c->quirks & MMC_QUIRK_LENIENT_FN0;
474 static inline int mmc_blksz_for_byte_mode(const struct mmc_card *c)
476 return c->quirks & MMC_QUIRK_BLKSZ_FOR_BYTE_MODE;
479 static inline int mmc_card_disable_cd(const struct mmc_card *c)
481 return c->quirks & MMC_QUIRK_DISABLE_CD;
484 static inline int mmc_card_nonstd_func_interface(const struct mmc_card *c)
486 return c->quirks & MMC_QUIRK_NONSTD_FUNC_IF;
489 static inline int mmc_card_broken_byte_mode_512(const struct mmc_card *c)
491 return c->quirks & MMC_QUIRK_BROKEN_BYTE_MODE_512;
494 static inline int mmc_card_long_read_time(const struct mmc_card *c)
496 return c->quirks & MMC_QUIRK_LONG_READ_TIME;
499 static inline int mmc_card_broken_irq_polling(const struct mmc_card *c)
501 return c->quirks & MMC_QUIRK_BROKEN_IRQ_POLLING;
504 #define mmc_card_name(c) ((c)->cid.prod_name)
505 #define mmc_card_id(c) (dev_name(&(c)->dev))
507 #define mmc_dev_to_card(d) container_of(d, struct mmc_card, dev)
509 #define mmc_list_to_card(l) container_of(l, struct mmc_card, node)
510 #define mmc_get_drvdata(c) dev_get_drvdata(&(c)->dev)
511 #define mmc_set_drvdata(c,d) dev_set_drvdata(&(c)->dev, d)
514 * MMC device driver (e.g., Flash card, I/O card...)
517 struct device_driver drv;
518 int (*probe)(struct mmc_card *);
519 void (*remove)(struct mmc_card *);
520 int (*suspend)(struct mmc_card *);
521 int (*resume)(struct mmc_card *);
522 void (*shutdown)(struct mmc_card *);
525 extern int mmc_register_driver(struct mmc_driver *);
526 extern void mmc_unregister_driver(struct mmc_driver *);
528 extern void mmc_fixup_device(struct mmc_card *card,
529 const struct mmc_fixup *table);
531 #endif /* LINUX_MMC_CARD_H */