1/* 2 * linux/include/linux/mmc/card.h 3 * 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. 7 * 8 * Card driver specific definitions. 9 */ 10#ifndef LINUX_MMC_CARD_H 11#define LINUX_MMC_CARD_H 12 13#include <linux/device.h> 14#include <linux/mod_devicetable.h> 15 16struct mmc_cid { 17 unsigned int manfid; 18 char prod_name[8]; 19 unsigned char prv; 20 unsigned int serial; 21 unsigned short oemid; 22 unsigned short year; 23 unsigned char hwrev; 24 unsigned char fwrev; 25 unsigned char month; 26}; 27 28struct mmc_csd { 29 unsigned char structure; 30 unsigned char mmca_vsn; 31 unsigned short cmdclass; 32 unsigned short taac_clks; 33 unsigned int taac_ns; 34 unsigned int c_size; 35 unsigned int r2w_factor; 36 unsigned int max_dtr; 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, 42 read_misalign:1, 43 write_partial:1, 44 write_misalign:1, 45 dsr_imp:1; 46}; 47 48struct mmc_ext_csd { 49 u8 rev; 50 u8 erase_group_def; 51 u8 sec_feature_support; 52 u8 rel_sectors; 53 u8 rel_param; 54 u8 part_config; 55 u8 cache_ctrl; 56 u8 rst_n_function; 57 u8 max_packed_writes; 58 u8 max_packed_reads; 59 u8 packed_event_en; 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 71 unsigned int sectors; 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 partition_setting_completed; /* 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 man_bkops_en; /* manual bkops enable bit */ 86 bool auto_bkops_en; /* auto bkops enable bit */ 87 unsigned int data_sector_size; /* 512 bytes or 4KB */ 88 unsigned int data_tag_unit_size; /* DATA TAG UNIT size */ 89 unsigned int boot_ro_lock; /* ro lock support */ 90 bool boot_ro_lockable; 91 bool ffu_capable; /* Firmware upgrade support */ 92 bool cmdq_en; /* Command Queue enabled */ 93 bool cmdq_support; /* Command Queue supported */ 94 unsigned int cmdq_depth; /* Command Queue depth */ 95#define MMC_FIRMWARE_LEN 8 96 u8 fwrev[MMC_FIRMWARE_LEN]; /* FW version */ 97 u8 raw_exception_status; /* 54 */ 98 u8 raw_partition_support; /* 160 */ 99 u8 raw_rpmb_size_mult; /* 168 */ 100 u8 raw_erased_mem_count; /* 181 */ 101 u8 strobe_support; /* 184 */ 102 u8 raw_ext_csd_structure; /* 194 */ 103 u8 raw_card_type; /* 196 */ 104 u8 raw_driver_strength; /* 197 */ 105 u8 out_of_int_time; /* 198 */ 106 u8 raw_pwr_cl_52_195; /* 200 */ 107 u8 raw_pwr_cl_26_195; /* 201 */ 108 u8 raw_pwr_cl_52_360; /* 202 */ 109 u8 raw_pwr_cl_26_360; /* 203 */ 110 u8 raw_s_a_timeout; /* 217 */ 111 u8 raw_hc_erase_gap_size; /* 221 */ 112 u8 raw_erase_timeout_mult; /* 223 */ 113 u8 raw_hc_erase_grp_size; /* 224 */ 114 u8 raw_sec_trim_mult; /* 229 */ 115 u8 raw_sec_erase_mult; /* 230 */ 116 u8 raw_sec_feature_support;/* 231 */ 117 u8 raw_trim_mult; /* 232 */ 118 u8 raw_pwr_cl_200_195; /* 236 */ 119 u8 raw_pwr_cl_200_360; /* 237 */ 120 u8 raw_pwr_cl_ddr_52_195; /* 238 */ 121 u8 raw_pwr_cl_ddr_52_360; /* 239 */ 122 u8 raw_pwr_cl_ddr_200_360; /* 253 */ 123 u8 raw_bkops_status; /* 246 */ 124 u8 raw_sectors[4]; /* 212 - 4 bytes */ 125 u8 pre_eol_info; /* 267 */ 126 u8 device_life_time_est_typ_a; /* 268 */ 127 u8 device_life_time_est_typ_b; /* 269 */ 128 129 unsigned int feature_support; 130#define MMC_DISCARD_FEATURE BIT(0) /* CMD38 feature */ 131}; 132 133struct sd_scr { 134 unsigned char sda_vsn; 135 unsigned char sda_spec3; 136 unsigned char sda_spec4; 137 unsigned char sda_specx; 138 unsigned char bus_widths; 139#define SD_SCR_BUS_WIDTH_1 (1<<0) 140#define SD_SCR_BUS_WIDTH_4 (1<<2) 141 unsigned char cmds; 142#define SD_SCR_CMD20_SUPPORT (1<<0) 143#define SD_SCR_CMD23_SUPPORT (1<<1) 144}; 145 146struct sd_ssr { 147 unsigned int au; /* In sectors */ 148 unsigned int erase_timeout; /* In milliseconds */ 149 unsigned int erase_offset; /* In milliseconds */ 150}; 151 152struct sd_switch_caps { 153 unsigned int hs_max_dtr; 154 unsigned int uhs_max_dtr; 155#define HIGH_SPEED_MAX_DTR 50000000 156#define UHS_SDR104_MAX_DTR 208000000 157#define UHS_SDR50_MAX_DTR 100000000 158#define UHS_DDR50_MAX_DTR 50000000 159#define UHS_SDR25_MAX_DTR UHS_DDR50_MAX_DTR 160#define UHS_SDR12_MAX_DTR 25000000 161#define DEFAULT_SPEED_MAX_DTR UHS_SDR12_MAX_DTR 162 unsigned int sd3_bus_mode; 163#define UHS_SDR12_BUS_SPEED 0 164#define HIGH_SPEED_BUS_SPEED 1 165#define UHS_SDR25_BUS_SPEED 1 166#define UHS_SDR50_BUS_SPEED 2 167#define UHS_SDR104_BUS_SPEED 3 168#define UHS_DDR50_BUS_SPEED 4 169 170#define SD_MODE_HIGH_SPEED (1 << HIGH_SPEED_BUS_SPEED) 171#define SD_MODE_UHS_SDR12 (1 << UHS_SDR12_BUS_SPEED) 172#define SD_MODE_UHS_SDR25 (1 << UHS_SDR25_BUS_SPEED) 173#define SD_MODE_UHS_SDR50 (1 << UHS_SDR50_BUS_SPEED) 174#define SD_MODE_UHS_SDR104 (1 << UHS_SDR104_BUS_SPEED) 175#define SD_MODE_UHS_DDR50 (1 << UHS_DDR50_BUS_SPEED) 176 unsigned int sd3_drv_type; 177#define SD_DRIVER_TYPE_B 0x01 178#define SD_DRIVER_TYPE_A 0x02 179#define SD_DRIVER_TYPE_C 0x04 180#define SD_DRIVER_TYPE_D 0x08 181 unsigned int sd3_curr_limit; 182#define SD_SET_CURRENT_LIMIT_200 0 183#define SD_SET_CURRENT_LIMIT_400 1 184#define SD_SET_CURRENT_LIMIT_600 2 185#define SD_SET_CURRENT_LIMIT_800 3 186#define SD_SET_CURRENT_NO_CHANGE (-1) 187 188#define SD_MAX_CURRENT_200 (1 << SD_SET_CURRENT_LIMIT_200) 189#define SD_MAX_CURRENT_400 (1 << SD_SET_CURRENT_LIMIT_400) 190#define SD_MAX_CURRENT_600 (1 << SD_SET_CURRENT_LIMIT_600) 191#define SD_MAX_CURRENT_800 (1 << SD_SET_CURRENT_LIMIT_800) 192}; 193 194struct sdio_cccr { 195 unsigned int sdio_vsn; 196 unsigned int sd_vsn; 197 unsigned int multi_block:1, 198 low_speed:1, 199 wide_bus:1, 200 high_power:1, 201 high_speed:1, 202 disable_cd:1; 203}; 204 205struct sdio_cis { 206 unsigned short vendor; 207 unsigned short device; 208 unsigned short blksize; 209 unsigned int max_dtr; 210}; 211 212struct mmc_host; 213struct sdio_func; 214struct sdio_func_tuple; 215struct mmc_queue_req; 216 217#define SDIO_MAX_FUNCS 7 218 219/* The number of MMC physical partitions. These consist of: 220 * boot partitions (2), general purpose partitions (4) and 221 * RPMB partition (1) in MMC v4.4. 222 */ 223#define MMC_NUM_BOOT_PARTITION 2 224#define MMC_NUM_GP_PARTITION 4 225#define MMC_NUM_PHY_PARTITION 7 226#define MAX_MMC_PART_NAME_LEN 20 227 228/* 229 * MMC Physical partitions 230 */ 231struct mmc_part { 232 unsigned int size; /* partition size (in bytes) */ 233 unsigned int part_cfg; /* partition type */ 234 char name[MAX_MMC_PART_NAME_LEN]; 235 bool force_ro; /* to make boot parts RO by default */ 236 unsigned int area_type; 237#define MMC_BLK_DATA_AREA_MAIN (1<<0) 238#define MMC_BLK_DATA_AREA_BOOT (1<<1) 239#define MMC_BLK_DATA_AREA_GP (1<<2) 240#define MMC_BLK_DATA_AREA_RPMB (1<<3) 241}; 242 243/* 244 * MMC device 245 */ 246struct mmc_card { 247 struct mmc_host *host; /* the host this device belongs to */ 248 struct device dev; /* the device */ 249 u32 ocr; /* the current OCR setting */ 250 unsigned int rca; /* relative card address of device */ 251 unsigned int type; /* card type */ 252#define MMC_TYPE_MMC 0 /* MMC card */ 253#define MMC_TYPE_SD 1 /* SD card */ 254#define MMC_TYPE_SDIO 2 /* SDIO card */ 255#define MMC_TYPE_SD_COMBO 3 /* SD combo (IO+mem) card */ 256 unsigned int state; /* (our) card state */ 257 unsigned int quirks; /* card quirks */ 258 unsigned int quirk_max_rate; /* max rate set by quirks */ 259#define MMC_QUIRK_LENIENT_FN0 (1<<0) /* allow SDIO FN0 writes outside of the VS CCCR range */ 260#define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1) /* use func->cur_blksize */ 261 /* for byte mode */ 262#define MMC_QUIRK_NONSTD_SDIO (1<<2) /* non-standard SDIO card attached */ 263 /* (missing CIA registers) */ 264#define MMC_QUIRK_NONSTD_FUNC_IF (1<<4) /* SDIO card has nonstd function interfaces */ 265#define MMC_QUIRK_DISABLE_CD (1<<5) /* disconnect CD/DAT[3] resistor */ 266#define MMC_QUIRK_INAND_CMD38 (1<<6) /* iNAND devices have broken CMD38 */ 267#define MMC_QUIRK_BLK_NO_CMD23 (1<<7) /* Avoid CMD23 for regular multiblock */ 268#define MMC_QUIRK_BROKEN_BYTE_MODE_512 (1<<8) /* Avoid sending 512 bytes in */ 269 /* byte mode */ 270#define MMC_QUIRK_LONG_READ_TIME (1<<9) /* Data read time > CSD says */ 271#define MMC_QUIRK_SEC_ERASE_TRIM_BROKEN (1<<10) /* Skip secure for erase/trim */ 272#define MMC_QUIRK_BROKEN_IRQ_POLLING (1<<11) /* Polling SDIO_CCCR_INTx could create a fake interrupt */ 273#define MMC_QUIRK_TRIM_BROKEN (1<<12) /* Skip trim */ 274#define MMC_QUIRK_BROKEN_HPI (1<<13) /* Disable broken HPI support */ 275 276 bool reenable_cmdq; /* Re-enable Command Queue */ 277 278 unsigned int erase_size; /* erase size in sectors */ 279 unsigned int erase_shift; /* if erase unit is power 2 */ 280 unsigned int pref_erase; /* in sectors */ 281 unsigned int eg_boundary; /* don't cross erase-group boundaries */ 282 unsigned int erase_arg; /* erase / trim / discard */ 283 u8 erased_byte; /* value of erased bytes */ 284 285 u32 raw_cid[4]; /* raw card CID */ 286 u32 raw_csd[4]; /* raw card CSD */ 287 u32 raw_scr[2]; /* raw card SCR */ 288 u32 raw_ssr[16]; /* raw card SSR */ 289 struct mmc_cid cid; /* card identification */ 290 struct mmc_csd csd; /* card specific */ 291 struct mmc_ext_csd ext_csd; /* mmc v4 extended card specific */ 292 struct sd_scr scr; /* extra SD information */ 293 struct sd_ssr ssr; /* yet more SD information */ 294 struct sd_switch_caps sw_caps; /* switch (CMD6) caps */ 295 296 unsigned int sdio_funcs; /* number of SDIO functions */ 297 struct sdio_cccr cccr; /* common card info */ 298 struct sdio_cis cis; /* common tuple info */ 299 struct sdio_func *sdio_func[SDIO_MAX_FUNCS]; /* SDIO functions (devices) */ 300 struct sdio_func *sdio_single_irq; /* SDIO function when only one IRQ active */ 301 unsigned num_info; /* number of info strings */ 302 const char **info; /* info strings */ 303 struct sdio_func_tuple *tuples; /* unknown common tuples */ 304 305 unsigned int sd_bus_speed; /* Bus Speed Mode set for the card */ 306 unsigned int mmc_avail_type; /* supported device type by both host and card */ 307 unsigned int drive_strength; /* for UHS-I, HS200 or HS400 */ 308 309 struct dentry *debugfs_root; 310 struct mmc_part part[MMC_NUM_PHY_PARTITION]; /* physical partitions */ 311 unsigned int nr_parts; 312 313 unsigned int bouncesz; /* Bounce buffer size */ 314 struct workqueue_struct *complete_wq; /* Private workqueue */ 315}; 316 317static inline bool mmc_large_sector(struct mmc_card *card) 318{ 319 return card->ext_csd.data_sector_size == 4096; 320} 321 322bool mmc_card_is_blockaddr(struct mmc_card *card); 323 324#define mmc_card_mmc(c) ((c)->type == MMC_TYPE_MMC) 325#define mmc_card_sd(c) ((c)->type == MMC_TYPE_SD) 326#define mmc_card_sdio(c) ((c)->type == MMC_TYPE_SDIO) 327 328#endif /* LINUX_MMC_CARD_H */ 329