mmc.h 16 KB

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  1. /*
  2. * Header for MultiMediaCard (MMC)
  3. *
  4. * Copyright 2002 Hewlett-Packard Company
  5. *
  6. * Use consistent with the GNU GPL is permitted,
  7. * provided that this copyright notice is
  8. * preserved in its entirety in all copies and derived works.
  9. *
  10. * HEWLETT-PACKARD COMPANY MAKES NO WARRANTIES, EXPRESSED OR IMPLIED,
  11. * AS TO THE USEFULNESS OR CORRECTNESS OF THIS CODE OR ITS
  12. * FITNESS FOR ANY PARTICULAR PURPOSE.
  13. *
  14. * Many thanks to Alessandro Rubini and Jonathan Corbet!
  15. *
  16. * Based strongly on code by:
  17. *
  18. * Author: Yong-iL Joh <tolkien@mizi.com>
  19. *
  20. * Author: Andrew Christian
  21. * 15 May 2002
  22. */
  23. #ifndef LINUX_MMC_MMC_H
  24. #define LINUX_MMC_MMC_H
  25. /* Standard MMC commands (4.1) type argument response */
  26. /* class 1 */
  27. #define MMC_GO_IDLE_STATE 0 /* bc */
  28. #define MMC_SEND_OP_COND 1 /* bcr [31:0] OCR R3 */
  29. #define MMC_ALL_SEND_CID 2 /* bcr R2 */
  30. #define MMC_SET_RELATIVE_ADDR 3 /* ac [31:16] RCA R1 */
  31. #define MMC_SET_DSR 4 /* bc [31:16] RCA */
  32. #define MMC_SLEEP_AWAKE 5 /* ac [31:16] RCA 15:flg R1b */
  33. #define MMC_SWITCH 6 /* ac [31:0] See below R1b */
  34. #define MMC_SELECT_CARD 7 /* ac [31:16] RCA R1 */
  35. #define MMC_SEND_EXT_CSD 8 /* adtc R1 */
  36. #define MMC_SEND_CSD 9 /* ac [31:16] RCA R2 */
  37. #define MMC_SEND_CID 10 /* ac [31:16] RCA R2 */
  38. #define MMC_READ_DAT_UNTIL_STOP 11 /* adtc [31:0] dadr R1 */
  39. #define MMC_STOP_TRANSMISSION 12 /* ac R1b */
  40. #define MMC_SEND_STATUS 13 /* ac [31:16] RCA R1 */
  41. #define MMC_BUS_TEST_R 14 /* adtc R1 */
  42. #define MMC_GO_INACTIVE_STATE 15 /* ac [31:16] RCA */
  43. #define MMC_BUS_TEST_W 19 /* adtc R1 */
  44. #define MMC_SPI_READ_OCR 58 /* spi spi_R3 */
  45. #define MMC_SPI_CRC_ON_OFF 59 /* spi [0:0] flag spi_R1 */
  46. /* class 2 */
  47. #define MMC_SET_BLOCKLEN 16 /* ac [31:0] block len R1 */
  48. #define MMC_READ_SINGLE_BLOCK 17 /* adtc [31:0] data addr R1 */
  49. #define MMC_READ_MULTIPLE_BLOCK 18 /* adtc [31:0] data addr R1 */
  50. #define MMC_SEND_TUNING_BLOCK 19 /* adtc R1 */
  51. #define MMC_SEND_TUNING_BLOCK_HS200 21 /* adtc R1 */
  52. /* class 3 */
  53. #define MMC_WRITE_DAT_UNTIL_STOP 20 /* adtc [31:0] data addr R1 */
  54. /* class 4 */
  55. #define MMC_SET_BLOCK_COUNT 23 /* adtc [31:0] data addr R1 */
  56. #define MMC_WRITE_BLOCK 24 /* adtc [31:0] data addr R1 */
  57. #define MMC_WRITE_MULTIPLE_BLOCK 25 /* adtc R1 */
  58. #define MMC_PROGRAM_CID 26 /* adtc R1 */
  59. #define MMC_PROGRAM_CSD 27 /* adtc R1 */
  60. /* class 6 */
  61. #define MMC_SET_WRITE_PROT 28 /* ac [31:0] data addr R1b */
  62. #define MMC_CLR_WRITE_PROT 29 /* ac [31:0] data addr R1b */
  63. #define MMC_SEND_WRITE_PROT 30 /* adtc [31:0] wpdata addr R1 */
  64. /* class 5 */
  65. #define MMC_ERASE_GROUP_START 35 /* ac [31:0] data addr R1 */
  66. #define MMC_ERASE_GROUP_END 36 /* ac [31:0] data addr R1 */
  67. #define MMC_ERASE 38 /* ac R1b */
  68. /* class 9 */
  69. #define MMC_FAST_IO 39 /* ac <Complex> R4 */
  70. #define MMC_GO_IRQ_STATE 40 /* bcr R5 */
  71. /* class 7 */
  72. #define MMC_LOCK_UNLOCK 42 /* adtc R1b */
  73. /* class 8 */
  74. #define MMC_APP_CMD 55 /* ac [31:16] RCA R1 */
  75. #define MMC_GEN_CMD 56 /* adtc [0] RD/WR R1 */
  76. static inline bool mmc_op_multi(u32 opcode)
  77. {
  78. return opcode == MMC_WRITE_MULTIPLE_BLOCK ||
  79. opcode == MMC_READ_MULTIPLE_BLOCK;
  80. }
  81. /*
  82. * MMC_SWITCH argument format:
  83. *
  84. * [31:26] Always 0
  85. * [25:24] Access Mode
  86. * [23:16] Location of target Byte in EXT_CSD
  87. * [15:08] Value Byte
  88. * [07:03] Always 0
  89. * [02:00] Command Set
  90. */
  91. /*
  92. MMC status in R1, for native mode (SPI bits are different)
  93. Type
  94. e : error bit
  95. s : status bit
  96. r : detected and set for the actual command response
  97. x : detected and set during command execution. the host must poll
  98. the card by sending status command in order to read these bits.
  99. Clear condition
  100. a : according to the card state
  101. b : always related to the previous command. Reception of
  102. a valid command will clear it (with a delay of one command)
  103. c : clear by read
  104. */
  105. #define R1_OUT_OF_RANGE (1 << 31) /* er, c */
  106. #define R1_ADDRESS_ERROR (1 << 30) /* erx, c */
  107. #define R1_BLOCK_LEN_ERROR (1 << 29) /* er, c */
  108. #define R1_ERASE_SEQ_ERROR (1 << 28) /* er, c */
  109. #define R1_ERASE_PARAM (1 << 27) /* ex, c */
  110. #define R1_WP_VIOLATION (1 << 26) /* erx, c */
  111. #define R1_CARD_IS_LOCKED (1 << 25) /* sx, a */
  112. #define R1_LOCK_UNLOCK_FAILED (1 << 24) /* erx, c */
  113. #define R1_COM_CRC_ERROR (1 << 23) /* er, b */
  114. #define R1_ILLEGAL_COMMAND (1 << 22) /* er, b */
  115. #define R1_CARD_ECC_FAILED (1 << 21) /* ex, c */
  116. #define R1_CC_ERROR (1 << 20) /* erx, c */
  117. #define R1_ERROR (1 << 19) /* erx, c */
  118. #define R1_UNDERRUN (1 << 18) /* ex, c */
  119. #define R1_OVERRUN (1 << 17) /* ex, c */
  120. #define R1_CID_CSD_OVERWRITE (1 << 16) /* erx, c, CID/CSD overwrite */
  121. #define R1_WP_ERASE_SKIP (1 << 15) /* sx, c */
  122. #define R1_CARD_ECC_DISABLED (1 << 14) /* sx, a */
  123. #define R1_ERASE_RESET (1 << 13) /* sr, c */
  124. #define R1_STATUS(x) (x & 0xFFFFE000)
  125. #define R1_CURRENT_STATE(x) ((x & 0x00001E00) >> 9) /* sx, b (4 bits) */
  126. #define R1_READY_FOR_DATA (1 << 8) /* sx, a */
  127. #define R1_SWITCH_ERROR (1 << 7) /* sx, c */
  128. #define R1_EXCEPTION_EVENT (1 << 6) /* sr, a */
  129. #define R1_APP_CMD (1 << 5) /* sr, c */
  130. #define R1_STATE_IDLE 0
  131. #define R1_STATE_READY 1
  132. #define R1_STATE_IDENT 2
  133. #define R1_STATE_STBY 3
  134. #define R1_STATE_TRAN 4
  135. #define R1_STATE_DATA 5
  136. #define R1_STATE_RCV 6
  137. #define R1_STATE_PRG 7
  138. #define R1_STATE_DIS 8
  139. /*
  140. * MMC/SD in SPI mode reports R1 status always, and R2 for SEND_STATUS
  141. * R1 is the low order byte; R2 is the next highest byte, when present.
  142. */
  143. #define R1_SPI_IDLE (1 << 0)
  144. #define R1_SPI_ERASE_RESET (1 << 1)
  145. #define R1_SPI_ILLEGAL_COMMAND (1 << 2)
  146. #define R1_SPI_COM_CRC (1 << 3)
  147. #define R1_SPI_ERASE_SEQ (1 << 4)
  148. #define R1_SPI_ADDRESS (1 << 5)
  149. #define R1_SPI_PARAMETER (1 << 6)
  150. /* R1 bit 7 is always zero */
  151. #define R2_SPI_CARD_LOCKED (1 << 8)
  152. #define R2_SPI_WP_ERASE_SKIP (1 << 9) /* or lock/unlock fail */
  153. #define R2_SPI_LOCK_UNLOCK_FAIL R2_SPI_WP_ERASE_SKIP
  154. #define R2_SPI_ERROR (1 << 10)
  155. #define R2_SPI_CC_ERROR (1 << 11)
  156. #define R2_SPI_CARD_ECC_ERROR (1 << 12)
  157. #define R2_SPI_WP_VIOLATION (1 << 13)
  158. #define R2_SPI_ERASE_PARAM (1 << 14)
  159. #define R2_SPI_OUT_OF_RANGE (1 << 15) /* or CSD overwrite */
  160. #define R2_SPI_CSD_OVERWRITE R2_SPI_OUT_OF_RANGE
  161. /* These are unpacked versions of the actual responses */
  162. struct _mmc_csd {
  163. u8 csd_structure;
  164. u8 spec_vers;
  165. u8 taac;
  166. u8 nsac;
  167. u8 tran_speed;
  168. u16 ccc;
  169. u8 read_bl_len;
  170. u8 read_bl_partial;
  171. u8 write_blk_misalign;
  172. u8 read_blk_misalign;
  173. u8 dsr_imp;
  174. u16 c_size;
  175. u8 vdd_r_curr_min;
  176. u8 vdd_r_curr_max;
  177. u8 vdd_w_curr_min;
  178. u8 vdd_w_curr_max;
  179. u8 c_size_mult;
  180. union {
  181. struct { /* MMC system specification version 3.1 */
  182. u8 erase_grp_size;
  183. u8 erase_grp_mult;
  184. } v31;
  185. struct { /* MMC system specification version 2.2 */
  186. u8 sector_size;
  187. u8 erase_grp_size;
  188. } v22;
  189. } erase;
  190. u8 wp_grp_size;
  191. u8 wp_grp_enable;
  192. u8 default_ecc;
  193. u8 r2w_factor;
  194. u8 write_bl_len;
  195. u8 write_bl_partial;
  196. u8 file_format_grp;
  197. u8 copy;
  198. u8 perm_write_protect;
  199. u8 tmp_write_protect;
  200. u8 file_format;
  201. u8 ecc;
  202. };
  203. /*
  204. * OCR bits are mostly in host.h
  205. */
  206. #define MMC_CARD_BUSY 0x80000000 /* Card Power up status bit */
  207. /*
  208. * Card Command Classes (CCC)
  209. */
  210. #define CCC_BASIC (1<<0) /* (0) Basic protocol functions */
  211. /* (CMD0,1,2,3,4,7,9,10,12,13,15) */
  212. /* (and for SPI, CMD58,59) */
  213. #define CCC_STREAM_READ (1<<1) /* (1) Stream read commands */
  214. /* (CMD11) */
  215. #define CCC_BLOCK_READ (1<<2) /* (2) Block read commands */
  216. /* (CMD16,17,18) */
  217. #define CCC_STREAM_WRITE (1<<3) /* (3) Stream write commands */
  218. /* (CMD20) */
  219. #define CCC_BLOCK_WRITE (1<<4) /* (4) Block write commands */
  220. /* (CMD16,24,25,26,27) */
  221. #define CCC_ERASE (1<<5) /* (5) Ability to erase blocks */
  222. /* (CMD32,33,34,35,36,37,38,39) */
  223. #define CCC_WRITE_PROT (1<<6) /* (6) Able to write protect blocks */
  224. /* (CMD28,29,30) */
  225. #define CCC_LOCK_CARD (1<<7) /* (7) Able to lock down card */
  226. /* (CMD16,CMD42) */
  227. #define CCC_APP_SPEC (1<<8) /* (8) Application specific */
  228. /* (CMD55,56,57,ACMD*) */
  229. #define CCC_IO_MODE (1<<9) /* (9) I/O mode */
  230. /* (CMD5,39,40,52,53) */
  231. #define CCC_SWITCH (1<<10) /* (10) High speed switch */
  232. /* (CMD6,34,35,36,37,50) */
  233. /* (11) Reserved */
  234. /* (CMD?) */
  235. /*
  236. * CSD field definitions
  237. */
  238. #define CSD_STRUCT_VER_1_0 0 /* Valid for system specification 1.0 - 1.2 */
  239. #define CSD_STRUCT_VER_1_1 1 /* Valid for system specification 1.4 - 2.2 */
  240. #define CSD_STRUCT_VER_1_2 2 /* Valid for system specification 3.1 - 3.2 - 3.31 - 4.0 - 4.1 */
  241. #define CSD_STRUCT_EXT_CSD 3 /* Version is coded in CSD_STRUCTURE in EXT_CSD */
  242. #define CSD_SPEC_VER_0 0 /* Implements system specification 1.0 - 1.2 */
  243. #define CSD_SPEC_VER_1 1 /* Implements system specification 1.4 */
  244. #define CSD_SPEC_VER_2 2 /* Implements system specification 2.0 - 2.2 */
  245. #define CSD_SPEC_VER_3 3 /* Implements system specification 3.1 - 3.2 - 3.31 */
  246. #define CSD_SPEC_VER_4 4 /* Implements system specification 4.0 - 4.1 */
  247. /*
  248. * EXT_CSD fields
  249. */
  250. #define EXT_CSD_FLUSH_CACHE 32 /* W */
  251. #define EXT_CSD_CACHE_CTRL 33 /* R/W */
  252. #define EXT_CSD_POWER_OFF_NOTIFICATION 34 /* R/W */
  253. #define EXT_CSD_PACKED_FAILURE_INDEX 35 /* RO */
  254. #define EXT_CSD_PACKED_CMD_STATUS 36 /* RO */
  255. #define EXT_CSD_EXP_EVENTS_STATUS 54 /* RO, 2 bytes */
  256. #define EXT_CSD_EXP_EVENTS_CTRL 56 /* R/W, 2 bytes */
  257. #define EXT_CSD_DATA_SECTOR_SIZE 61 /* R */
  258. #define EXT_CSD_GP_SIZE_MULT 143 /* R/W */
  259. #define EXT_CSD_PARTITION_SETTING_COMPLETED 155 /* R/W */
  260. #define EXT_CSD_PARTITION_ATTRIBUTE 156 /* R/W */
  261. #define EXT_CSD_PARTITION_SUPPORT 160 /* RO */
  262. #define EXT_CSD_HPI_MGMT 161 /* R/W */
  263. #define EXT_CSD_RST_N_FUNCTION 162 /* R/W */
  264. #define EXT_CSD_BKOPS_EN 163 /* R/W */
  265. #define EXT_CSD_BKOPS_START 164 /* W */
  266. #define EXT_CSD_SANITIZE_START 165 /* W */
  267. #define EXT_CSD_WR_REL_PARAM 166 /* RO */
  268. #define EXT_CSD_RPMB_MULT 168 /* RO */
  269. #define EXT_CSD_FW_CONFIG 169 /* R/W */
  270. #define EXT_CSD_BOOT_WP 173 /* R/W */
  271. #define EXT_CSD_ERASE_GROUP_DEF 175 /* R/W */
  272. #define EXT_CSD_PART_CONFIG 179 /* R/W */
  273. #define EXT_CSD_ERASED_MEM_CONT 181 /* RO */
  274. #define EXT_CSD_BUS_WIDTH 183 /* R/W */
  275. #define EXT_CSD_STROBE_SUPPORT 184 /* RO */
  276. #define EXT_CSD_HS_TIMING 185 /* R/W */
  277. #define EXT_CSD_POWER_CLASS 187 /* R/W */
  278. #define EXT_CSD_REV 192 /* RO */
  279. #define EXT_CSD_STRUCTURE 194 /* RO */
  280. #define EXT_CSD_CARD_TYPE 196 /* RO */
  281. #define EXT_CSD_DRIVER_STRENGTH 197 /* RO */
  282. #define EXT_CSD_OUT_OF_INTERRUPT_TIME 198 /* RO */
  283. #define EXT_CSD_PART_SWITCH_TIME 199 /* RO */
  284. #define EXT_CSD_PWR_CL_52_195 200 /* RO */
  285. #define EXT_CSD_PWR_CL_26_195 201 /* RO */
  286. #define EXT_CSD_PWR_CL_52_360 202 /* RO */
  287. #define EXT_CSD_PWR_CL_26_360 203 /* RO */
  288. #define EXT_CSD_SEC_CNT 212 /* RO, 4 bytes */
  289. #define EXT_CSD_S_A_TIMEOUT 217 /* RO */
  290. #define EXT_CSD_REL_WR_SEC_C 222 /* RO */
  291. #define EXT_CSD_HC_WP_GRP_SIZE 221 /* RO */
  292. #define EXT_CSD_ERASE_TIMEOUT_MULT 223 /* RO */
  293. #define EXT_CSD_HC_ERASE_GRP_SIZE 224 /* RO */
  294. #define EXT_CSD_BOOT_MULT 226 /* RO */
  295. #define EXT_CSD_SEC_TRIM_MULT 229 /* RO */
  296. #define EXT_CSD_SEC_ERASE_MULT 230 /* RO */
  297. #define EXT_CSD_SEC_FEATURE_SUPPORT 231 /* RO */
  298. #define EXT_CSD_TRIM_MULT 232 /* RO */
  299. #define EXT_CSD_PWR_CL_200_195 236 /* RO */
  300. #define EXT_CSD_PWR_CL_200_360 237 /* RO */
  301. #define EXT_CSD_PWR_CL_DDR_52_195 238 /* RO */
  302. #define EXT_CSD_PWR_CL_DDR_52_360 239 /* RO */
  303. #define EXT_CSD_BKOPS_STATUS 246 /* RO */
  304. #define EXT_CSD_POWER_OFF_LONG_TIME 247 /* RO */
  305. #define EXT_CSD_GENERIC_CMD6_TIME 248 /* RO */
  306. #define EXT_CSD_CACHE_SIZE 249 /* RO, 4 bytes */
  307. #define EXT_CSD_PWR_CL_DDR_200_360 253 /* RO */
  308. #define EXT_CSD_FIRMWARE_VERSION 254 /* RO, 8 bytes */
  309. #define EXT_CSD_SUPPORTED_MODE 493 /* RO */
  310. #define EXT_CSD_TAG_UNIT_SIZE 498 /* RO */
  311. #define EXT_CSD_DATA_TAG_SUPPORT 499 /* RO */
  312. #define EXT_CSD_MAX_PACKED_WRITES 500 /* RO */
  313. #define EXT_CSD_MAX_PACKED_READS 501 /* RO */
  314. #define EXT_CSD_BKOPS_SUPPORT 502 /* RO */
  315. #define EXT_CSD_HPI_FEATURES 503 /* RO */
  316. /*
  317. * EXT_CSD field definitions
  318. */
  319. #define EXT_CSD_WR_REL_PARAM_EN (1<<2)
  320. #define EXT_CSD_BOOT_WP_B_PWR_WP_DIS (0x40)
  321. #define EXT_CSD_BOOT_WP_B_PERM_WP_DIS (0x10)
  322. #define EXT_CSD_BOOT_WP_B_PERM_WP_EN (0x04)
  323. #define EXT_CSD_BOOT_WP_B_PWR_WP_EN (0x01)
  324. #define EXT_CSD_PART_CONFIG_ACC_MASK (0x7)
  325. #define EXT_CSD_PART_CONFIG_ACC_BOOT0 (0x1)
  326. #define EXT_CSD_PART_CONFIG_ACC_RPMB (0x3)
  327. #define EXT_CSD_PART_CONFIG_ACC_GP0 (0x4)
  328. #define EXT_CSD_PART_SETTING_COMPLETED (0x1)
  329. #define EXT_CSD_PART_SUPPORT_PART_EN (0x1)
  330. #define EXT_CSD_CMD_SET_NORMAL (1<<0)
  331. #define EXT_CSD_CMD_SET_SECURE (1<<1)
  332. #define EXT_CSD_CMD_SET_CPSECURE (1<<2)
  333. #define EXT_CSD_CARD_TYPE_HS_26 (1<<0) /* Card can run at 26MHz */
  334. #define EXT_CSD_CARD_TYPE_HS_52 (1<<1) /* Card can run at 52MHz */
  335. #define EXT_CSD_CARD_TYPE_HS (EXT_CSD_CARD_TYPE_HS_26 | \
  336. EXT_CSD_CARD_TYPE_HS_52)
  337. #define EXT_CSD_CARD_TYPE_DDR_1_8V (1<<2) /* Card can run at 52MHz */
  338. /* DDR mode @1.8V or 3V I/O */
  339. #define EXT_CSD_CARD_TYPE_DDR_1_2V (1<<3) /* Card can run at 52MHz */
  340. /* DDR mode @1.2V I/O */
  341. #define EXT_CSD_CARD_TYPE_DDR_52 (EXT_CSD_CARD_TYPE_DDR_1_8V \
  342. | EXT_CSD_CARD_TYPE_DDR_1_2V)
  343. #define EXT_CSD_CARD_TYPE_HS200_1_8V (1<<4) /* Card can run at 200MHz */
  344. #define EXT_CSD_CARD_TYPE_HS200_1_2V (1<<5) /* Card can run at 200MHz */
  345. /* SDR mode @1.2V I/O */
  346. #define EXT_CSD_CARD_TYPE_HS200 (EXT_CSD_CARD_TYPE_HS200_1_8V | \
  347. EXT_CSD_CARD_TYPE_HS200_1_2V)
  348. #define EXT_CSD_CARD_TYPE_HS400_1_8V (1<<6) /* Card can run at 200MHz DDR, 1.8V */
  349. #define EXT_CSD_CARD_TYPE_HS400_1_2V (1<<7) /* Card can run at 200MHz DDR, 1.2V */
  350. #define EXT_CSD_CARD_TYPE_HS400 (EXT_CSD_CARD_TYPE_HS400_1_8V | \
  351. EXT_CSD_CARD_TYPE_HS400_1_2V)
  352. #define EXT_CSD_CARD_TYPE_HS400ES (1<<8) /* Card can run at HS400ES */
  353. #define EXT_CSD_BUS_WIDTH_1 0 /* Card is in 1 bit mode */
  354. #define EXT_CSD_BUS_WIDTH_4 1 /* Card is in 4 bit mode */
  355. #define EXT_CSD_BUS_WIDTH_8 2 /* Card is in 8 bit mode */
  356. #define EXT_CSD_DDR_BUS_WIDTH_4 5 /* Card is in 4 bit DDR mode */
  357. #define EXT_CSD_DDR_BUS_WIDTH_8 6 /* Card is in 8 bit DDR mode */
  358. #define EXT_CSD_BUS_WIDTH_STROBE BIT(7) /* Enhanced strobe mode */
  359. #define EXT_CSD_TIMING_BC 0 /* Backwards compatility */
  360. #define EXT_CSD_TIMING_HS 1 /* High speed */
  361. #define EXT_CSD_TIMING_HS200 2 /* HS200 */
  362. #define EXT_CSD_TIMING_HS400 3 /* HS400 */
  363. #define EXT_CSD_DRV_STR_SHIFT 4 /* Driver Strength shift */
  364. #define EXT_CSD_SEC_ER_EN BIT(0)
  365. #define EXT_CSD_SEC_BD_BLK_EN BIT(2)
  366. #define EXT_CSD_SEC_GB_CL_EN BIT(4)
  367. #define EXT_CSD_SEC_SANITIZE BIT(6) /* v4.5 only */
  368. #define EXT_CSD_RST_N_EN_MASK 0x3
  369. #define EXT_CSD_RST_N_ENABLED 1 /* RST_n is enabled on card */
  370. #define EXT_CSD_NO_POWER_NOTIFICATION 0
  371. #define EXT_CSD_POWER_ON 1
  372. #define EXT_CSD_POWER_OFF_SHORT 2
  373. #define EXT_CSD_POWER_OFF_LONG 3
  374. #define EXT_CSD_PWR_CL_8BIT_MASK 0xF0 /* 8 bit PWR CLS */
  375. #define EXT_CSD_PWR_CL_4BIT_MASK 0x0F /* 8 bit PWR CLS */
  376. #define EXT_CSD_PWR_CL_8BIT_SHIFT 4
  377. #define EXT_CSD_PWR_CL_4BIT_SHIFT 0
  378. #define EXT_CSD_PACKED_EVENT_EN BIT(3)
  379. /*
  380. * EXCEPTION_EVENT_STATUS field
  381. */
  382. #define EXT_CSD_URGENT_BKOPS BIT(0)
  383. #define EXT_CSD_DYNCAP_NEEDED BIT(1)
  384. #define EXT_CSD_SYSPOOL_EXHAUSTED BIT(2)
  385. #define EXT_CSD_PACKED_FAILURE BIT(3)
  386. #define EXT_CSD_PACKED_GENERIC_ERROR BIT(0)
  387. #define EXT_CSD_PACKED_INDEXED_ERROR BIT(1)
  388. /*
  389. * BKOPS status level
  390. */
  391. #define EXT_CSD_BKOPS_LEVEL_2 0x2
  392. /*
  393. * BKOPS modes
  394. */
  395. #define EXT_CSD_MANUAL_BKOPS_MASK 0x01
  396. /*
  397. * MMC_SWITCH access modes
  398. */
  399. #define MMC_SWITCH_MODE_CMD_SET 0x00 /* Change the command set */
  400. #define MMC_SWITCH_MODE_SET_BITS 0x01 /* Set bits which are 1 in value */
  401. #define MMC_SWITCH_MODE_CLEAR_BITS 0x02 /* Clear bits which are 1 in value */
  402. #define MMC_SWITCH_MODE_WRITE_BYTE 0x03 /* Set target to value */
  403. #define mmc_driver_type_mask(n) (1 << (n))
  404. #endif /* LINUX_MMC_MMC_H */