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
24 #ifndef LINUX_MMC_MMC_H
25 #define LINUX_MMC_MMC_H
26
27 /* Standard MMC commands (4.1) type argument response */
28 /* class 1 */
29 #define MMC_GO_IDLE_STATE 0 /* bc */
30 #define MMC_SEND_OP_COND 1 /* bcr [31:0] OCR R3 */
31 #define MMC_ALL_SEND_CID 2 /* bcr R2 */
32 #define MMC_SET_RELATIVE_ADDR 3 /* ac [31:16] RCA R1 */
33 #define MMC_SET_DSR 4 /* bc [31:16] RCA */
34 #define MMC_SLEEP_AWAKE 5 /* ac [31:16] RCA 15:flg R1b */
35 #define MMC_SWITCH 6 /* ac [31:0] See below R1b */
36 #define MMC_SELECT_CARD 7 /* ac [31:16] RCA R1 */
37 #define MMC_SEND_EXT_CSD 8 /* adtc R1 */
38 #define MMC_SEND_CSD 9 /* ac [31:16] RCA R2 */
39 #define MMC_SEND_CID 10 /* ac [31:16] RCA R2 */
40 #define MMC_READ_DAT_UNTIL_STOP 11 /* adtc [31:0] dadr R1 */
41 #define MMC_STOP_TRANSMISSION 12 /* ac R1b */
42 #define MMC_SEND_STATUS 13 /* ac [31:16] RCA R1 */
43 #define MMC_BUS_TEST_R 14 /* adtc R1 */
44 #define MMC_GO_INACTIVE_STATE 15 /* ac [31:16] RCA */
45 #define MMC_BUS_TEST_W 19 /* adtc R1 */
46 #define MMC_SPI_READ_OCR 58 /* spi spi_R3 */
47 #define MMC_SPI_CRC_ON_OFF 59 /* spi [0:0] flag spi_R1 */
48
49 /* class 2 */
50 #define MMC_SET_BLOCKLEN 16 /* ac [31:0] block len R1 */
51 #define MMC_READ_SINGLE_BLOCK 17 /* adtc [31:0] data addr R1 */
52 #define MMC_READ_MULTIPLE_BLOCK 18 /* adtc [31:0] data addr R1 */
53 #define MMC_SEND_TUNING_BLOCK 19 /* adtc R1 */
54 #define MMC_SEND_TUNING_BLOCK_HS200 21 /* adtc R1 */
55
56 /* class 3 */
57 #define MMC_WRITE_DAT_UNTIL_STOP 20 /* adtc [31:0] data addr R1 */
58
59 /* class 4 */
60 #define MMC_SET_BLOCK_COUNT 23 /* adtc [31:0] data addr R1 */
61 #define MMC_WRITE_BLOCK 24 /* adtc [31:0] data addr R1 */
62 #define MMC_WRITE_MULTIPLE_BLOCK 25 /* adtc R1 */
63 #define MMC_PROGRAM_CID 26 /* adtc R1 */
64 #define MMC_PROGRAM_CSD 27 /* adtc R1 */
65
66 /* class 6 */
67 #define MMC_SET_WRITE_PROT 28 /* ac [31:0] data addr R1b */
68 #define MMC_CLR_WRITE_PROT 29 /* ac [31:0] data addr R1b */
69 #define MMC_SEND_WRITE_PROT 30 /* adtc [31:0] wpdata addr R1 */
70
71 /* class 5 */
72 #define MMC_ERASE_GROUP_START 35 /* ac [31:0] data addr R1 */
73 #define MMC_ERASE_GROUP_END 36 /* ac [31:0] data addr R1 */
74 #define MMC_ERASE 38 /* ac R1b */
75
76 /* class 9 */
77 #define MMC_FAST_IO 39 /* ac <Complex> R4 */
78 #define MMC_GO_IRQ_STATE 40 /* bcr R5 */
79
80 /* class 7 */
81 #define MMC_LOCK_UNLOCK 42 /* adtc R1b */
82
83 /* class 8 */
84 #define MMC_APP_CMD 55 /* ac [31:16] RCA R1 */
85 #define MMC_GEN_CMD 56 /* adtc [0] RD/WR R1 */
86
mmc_op_multi(u32 opcode)87 static inline bool mmc_op_multi(u32 opcode)
88 {
89 return opcode == MMC_WRITE_MULTIPLE_BLOCK ||
90 opcode == MMC_READ_MULTIPLE_BLOCK;
91 }
92
93 /*
94 * MMC_SWITCH argument format:
95 *
96 * [31:26] Always 0
97 * [25:24] Access Mode
98 * [23:16] Location of target Byte in EXT_CSD
99 * [15:08] Value Byte
100 * [07:03] Always 0
101 * [02:00] Command Set
102 */
103
104 /*
105 MMC status in R1, for native mode (SPI bits are different)
106 Type
107 e : error bit
108 s : status bit
109 r : detected and set for the actual command response
110 x : detected and set during command execution. the host must poll
111 the card by sending status command in order to read these bits.
112 Clear condition
113 a : according to the card state
114 b : always related to the previous command. Reception of
115 a valid command will clear it (with a delay of one command)
116 c : clear by read
117 */
118
119 #define R1_OUT_OF_RANGE (1 << 31) /* er, c */
120 #define R1_ADDRESS_ERROR (1 << 30) /* erx, c */
121 #define R1_BLOCK_LEN_ERROR (1 << 29) /* er, c */
122 #define R1_ERASE_SEQ_ERROR (1 << 28) /* er, c */
123 #define R1_ERASE_PARAM (1 << 27) /* ex, c */
124 #define R1_WP_VIOLATION (1 << 26) /* erx, c */
125 #define R1_CARD_IS_LOCKED (1 << 25) /* sx, a */
126 #define R1_LOCK_UNLOCK_FAILED (1 << 24) /* erx, c */
127 #define R1_COM_CRC_ERROR (1 << 23) /* er, b */
128 #define R1_ILLEGAL_COMMAND (1 << 22) /* er, b */
129 #define R1_CARD_ECC_FAILED (1 << 21) /* ex, c */
130 #define R1_CC_ERROR (1 << 20) /* erx, c */
131 #define R1_ERROR (1 << 19) /* erx, c */
132 #define R1_UNDERRUN (1 << 18) /* ex, c */
133 #define R1_OVERRUN (1 << 17) /* ex, c */
134 #define R1_CID_CSD_OVERWRITE (1 << 16) /* erx, c, CID/CSD overwrite */
135 #define R1_WP_ERASE_SKIP (1 << 15) /* sx, c */
136 #define R1_CARD_ECC_DISABLED (1 << 14) /* sx, a */
137 #define R1_ERASE_RESET (1 << 13) /* sr, c */
138 #define R1_STATUS(x) (x & 0xFFFFE000)
139 #define R1_CURRENT_STATE(x) ((x & 0x00001E00) >> 9) /* sx, b (4 bits) */
140 #define R1_READY_FOR_DATA (1 << 8) /* sx, a */
141 #define R1_SWITCH_ERROR (1 << 7) /* sx, c */
142 #define R1_APP_CMD (1 << 5) /* sr, c */
143
144 #define R1_STATE_IDLE 0
145 #define R1_STATE_READY 1
146 #define R1_STATE_IDENT 2
147 #define R1_STATE_STBY 3
148 #define R1_STATE_TRAN 4
149 #define R1_STATE_DATA 5
150 #define R1_STATE_RCV 6
151 #define R1_STATE_PRG 7
152 #define R1_STATE_DIS 8
153
154 /*
155 * MMC/SD in SPI mode reports R1 status always, and R2 for SEND_STATUS
156 * R1 is the low order byte; R2 is the next highest byte, when present.
157 */
158 #define R1_SPI_IDLE (1 << 0)
159 #define R1_SPI_ERASE_RESET (1 << 1)
160 #define R1_SPI_ILLEGAL_COMMAND (1 << 2)
161 #define R1_SPI_COM_CRC (1 << 3)
162 #define R1_SPI_ERASE_SEQ (1 << 4)
163 #define R1_SPI_ADDRESS (1 << 5)
164 #define R1_SPI_PARAMETER (1 << 6)
165 /* R1 bit 7 is always zero */
166 #define R2_SPI_CARD_LOCKED (1 << 8)
167 #define R2_SPI_WP_ERASE_SKIP (1 << 9) /* or lock/unlock fail */
168 #define R2_SPI_LOCK_UNLOCK_FAIL R2_SPI_WP_ERASE_SKIP
169 #define R2_SPI_ERROR (1 << 10)
170 #define R2_SPI_CC_ERROR (1 << 11)
171 #define R2_SPI_CARD_ECC_ERROR (1 << 12)
172 #define R2_SPI_WP_VIOLATION (1 << 13)
173 #define R2_SPI_ERASE_PARAM (1 << 14)
174 #define R2_SPI_OUT_OF_RANGE (1 << 15) /* or CSD overwrite */
175 #define R2_SPI_CSD_OVERWRITE R2_SPI_OUT_OF_RANGE
176
177 /* These are unpacked versions of the actual responses */
178
179 struct _mmc_csd {
180 u8 csd_structure;
181 u8 spec_vers;
182 u8 taac;
183 u8 nsac;
184 u8 tran_speed;
185 u16 ccc;
186 u8 read_bl_len;
187 u8 read_bl_partial;
188 u8 write_blk_misalign;
189 u8 read_blk_misalign;
190 u8 dsr_imp;
191 u16 c_size;
192 u8 vdd_r_curr_min;
193 u8 vdd_r_curr_max;
194 u8 vdd_w_curr_min;
195 u8 vdd_w_curr_max;
196 u8 c_size_mult;
197 union {
198 struct { /* MMC system specification version 3.1 */
199 u8 erase_grp_size;
200 u8 erase_grp_mult;
201 } v31;
202 struct { /* MMC system specification version 2.2 */
203 u8 sector_size;
204 u8 erase_grp_size;
205 } v22;
206 } erase;
207 u8 wp_grp_size;
208 u8 wp_grp_enable;
209 u8 default_ecc;
210 u8 r2w_factor;
211 u8 write_bl_len;
212 u8 write_bl_partial;
213 u8 file_format_grp;
214 u8 copy;
215 u8 perm_write_protect;
216 u8 tmp_write_protect;
217 u8 file_format;
218 u8 ecc;
219 };
220
221 /*
222 * OCR bits are mostly in host.h
223 */
224 #define MMC_CARD_BUSY 0x80000000 /* Card Power up status bit */
225
226 /*
227 * Card Command Classes (CCC)
228 */
229 #define CCC_BASIC (1<<0) /* (0) Basic protocol functions */
230 /* (CMD0,1,2,3,4,7,9,10,12,13,15) */
231 /* (and for SPI, CMD58,59) */
232 #define CCC_STREAM_READ (1<<1) /* (1) Stream read commands */
233 /* (CMD11) */
234 #define CCC_BLOCK_READ (1<<2) /* (2) Block read commands */
235 /* (CMD16,17,18) */
236 #define CCC_STREAM_WRITE (1<<3) /* (3) Stream write commands */
237 /* (CMD20) */
238 #define CCC_BLOCK_WRITE (1<<4) /* (4) Block write commands */
239 /* (CMD16,24,25,26,27) */
240 #define CCC_ERASE (1<<5) /* (5) Ability to erase blocks */
241 /* (CMD32,33,34,35,36,37,38,39) */
242 #define CCC_WRITE_PROT (1<<6) /* (6) Able to write protect blocks */
243 /* (CMD28,29,30) */
244 #define CCC_LOCK_CARD (1<<7) /* (7) Able to lock down card */
245 /* (CMD16,CMD42) */
246 #define CCC_APP_SPEC (1<<8) /* (8) Application specific */
247 /* (CMD55,56,57,ACMD*) */
248 #define CCC_IO_MODE (1<<9) /* (9) I/O mode */
249 /* (CMD5,39,40,52,53) */
250 #define CCC_SWITCH (1<<10) /* (10) High speed switch */
251 /* (CMD6,34,35,36,37,50) */
252 /* (11) Reserved */
253 /* (CMD?) */
254
255 /*
256 * CSD field definitions
257 */
258
259 #define CSD_STRUCT_VER_1_0 0 /* Valid for system specification 1.0 - 1.2 */
260 #define CSD_STRUCT_VER_1_1 1 /* Valid for system specification 1.4 - 2.2 */
261 #define CSD_STRUCT_VER_1_2 2 /* Valid for system specification 3.1 - 3.2 - 3.31 - 4.0 - 4.1 */
262 #define CSD_STRUCT_EXT_CSD 3 /* Version is coded in CSD_STRUCTURE in EXT_CSD */
263
264 #define CSD_SPEC_VER_0 0 /* Implements system specification 1.0 - 1.2 */
265 #define CSD_SPEC_VER_1 1 /* Implements system specification 1.4 */
266 #define CSD_SPEC_VER_2 2 /* Implements system specification 2.0 - 2.2 */
267 #define CSD_SPEC_VER_3 3 /* Implements system specification 3.1 - 3.2 - 3.31 */
268 #define CSD_SPEC_VER_4 4 /* Implements system specification 4.0 - 4.1 */
269
270 /*
271 * EXT_CSD fields
272 */
273
274 #define EXT_CSD_FLUSH_CACHE 32 /* W */
275 #define EXT_CSD_CACHE_CTRL 33 /* R/W */
276 #define EXT_CSD_POWER_OFF_NOTIFICATION 34 /* R/W */
277 #define EXT_CSD_DATA_SECTOR_SIZE 61 /* R */
278 #define EXT_CSD_GP_SIZE_MULT 143 /* R/W */
279 #define EXT_CSD_PARTITION_ATTRIBUTE 156 /* R/W */
280 #define EXT_CSD_PARTITION_SUPPORT 160 /* RO */
281 #define EXT_CSD_HPI_MGMT 161 /* R/W */
282 #define EXT_CSD_RST_N_FUNCTION 162 /* R/W */
283 #define EXT_CSD_SANITIZE_START 165 /* W */
284 #define EXT_CSD_WR_REL_PARAM 166 /* RO */
285 #define EXT_CSD_BOOT_WP 173 /* R/W */
286 #define EXT_CSD_ERASE_GROUP_DEF 175 /* R/W */
287 #define EXT_CSD_PART_CONFIG 179 /* R/W */
288 #define EXT_CSD_ERASED_MEM_CONT 181 /* RO */
289 #define EXT_CSD_BUS_WIDTH 183 /* R/W */
290 #define EXT_CSD_HS_TIMING 185 /* R/W */
291 #define EXT_CSD_POWER_CLASS 187 /* R/W */
292 #define EXT_CSD_REV 192 /* RO */
293 #define EXT_CSD_STRUCTURE 194 /* RO */
294 #define EXT_CSD_CARD_TYPE 196 /* RO */
295 #define EXT_CSD_OUT_OF_INTERRUPT_TIME 198 /* RO */
296 #define EXT_CSD_PART_SWITCH_TIME 199 /* RO */
297 #define EXT_CSD_PWR_CL_52_195 200 /* RO */
298 #define EXT_CSD_PWR_CL_26_195 201 /* RO */
299 #define EXT_CSD_PWR_CL_52_360 202 /* RO */
300 #define EXT_CSD_PWR_CL_26_360 203 /* RO */
301 #define EXT_CSD_SEC_CNT 212 /* RO, 4 bytes */
302 #define EXT_CSD_S_A_TIMEOUT 217 /* RO */
303 #define EXT_CSD_REL_WR_SEC_C 222 /* RO */
304 #define EXT_CSD_HC_WP_GRP_SIZE 221 /* RO */
305 #define EXT_CSD_ERASE_TIMEOUT_MULT 223 /* RO */
306 #define EXT_CSD_HC_ERASE_GRP_SIZE 224 /* RO */
307 #define EXT_CSD_BOOT_MULT 226 /* RO */
308 #define EXT_CSD_SEC_TRIM_MULT 229 /* RO */
309 #define EXT_CSD_SEC_ERASE_MULT 230 /* RO */
310 #define EXT_CSD_SEC_FEATURE_SUPPORT 231 /* RO */
311 #define EXT_CSD_TRIM_MULT 232 /* RO */
312 #define EXT_CSD_PWR_CL_200_195 236 /* RO */
313 #define EXT_CSD_PWR_CL_200_360 237 /* RO */
314 #define EXT_CSD_PWR_CL_DDR_52_195 238 /* RO */
315 #define EXT_CSD_PWR_CL_DDR_52_360 239 /* RO */
316 #define EXT_CSD_POWER_OFF_LONG_TIME 247 /* RO */
317 #define EXT_CSD_GENERIC_CMD6_TIME 248 /* RO */
318 #define EXT_CSD_CACHE_SIZE 249 /* RO, 4 bytes */
319 #define EXT_CSD_TAG_UNIT_SIZE 498 /* RO */
320 #define EXT_CSD_DATA_TAG_SUPPORT 499 /* RO */
321 #define EXT_CSD_HPI_FEATURES 503 /* RO */
322
323 /*
324 * EXT_CSD field definitions
325 */
326
327 #define EXT_CSD_WR_REL_PARAM_EN (1<<2)
328
329 #define EXT_CSD_BOOT_WP_B_PWR_WP_DIS (0x40)
330 #define EXT_CSD_BOOT_WP_B_PERM_WP_DIS (0x10)
331 #define EXT_CSD_BOOT_WP_B_PERM_WP_EN (0x04)
332 #define EXT_CSD_BOOT_WP_B_PWR_WP_EN (0x01)
333
334 #define EXT_CSD_PART_CONFIG_ACC_MASK (0x7)
335 #define EXT_CSD_PART_CONFIG_ACC_BOOT0 (0x1)
336 #define EXT_CSD_PART_CONFIG_ACC_GP0 (0x4)
337
338 #define EXT_CSD_PART_SUPPORT_PART_EN (0x1)
339
340 #define EXT_CSD_CMD_SET_NORMAL (1<<0)
341 #define EXT_CSD_CMD_SET_SECURE (1<<1)
342 #define EXT_CSD_CMD_SET_CPSECURE (1<<2)
343
344 #define EXT_CSD_CARD_TYPE_26 (1<<0) /* Card can run at 26MHz */
345 #define EXT_CSD_CARD_TYPE_52 (1<<1) /* Card can run at 52MHz */
346 #define EXT_CSD_CARD_TYPE_MASK 0x3F /* Mask out reserved bits */
347 #define EXT_CSD_CARD_TYPE_DDR_1_8V (1<<2) /* Card can run at 52MHz */
348 /* DDR mode @1.8V or 3V I/O */
349 #define EXT_CSD_CARD_TYPE_DDR_1_2V (1<<3) /* Card can run at 52MHz */
350 /* DDR mode @1.2V I/O */
351 #define EXT_CSD_CARD_TYPE_DDR_52 (EXT_CSD_CARD_TYPE_DDR_1_8V \
352 | EXT_CSD_CARD_TYPE_DDR_1_2V)
353 #define EXT_CSD_CARD_TYPE_SDR_1_8V (1<<4) /* Card can run at 200MHz */
354 #define EXT_CSD_CARD_TYPE_SDR_1_2V (1<<5) /* Card can run at 200MHz */
355 /* SDR mode @1.2V I/O */
356
357 #define EXT_CSD_CARD_TYPE_SDR_200 (EXT_CSD_CARD_TYPE_SDR_1_8V | \
358 EXT_CSD_CARD_TYPE_SDR_1_2V)
359
360 #define EXT_CSD_CARD_TYPE_SDR_ALL (EXT_CSD_CARD_TYPE_SDR_200 | \
361 EXT_CSD_CARD_TYPE_52 | \
362 EXT_CSD_CARD_TYPE_26)
363
364 #define EXT_CSD_CARD_TYPE_SDR_1_2V_ALL (EXT_CSD_CARD_TYPE_SDR_1_2V | \
365 EXT_CSD_CARD_TYPE_52 | \
366 EXT_CSD_CARD_TYPE_26)
367
368 #define EXT_CSD_CARD_TYPE_SDR_1_8V_ALL (EXT_CSD_CARD_TYPE_SDR_1_8V | \
369 EXT_CSD_CARD_TYPE_52 | \
370 EXT_CSD_CARD_TYPE_26)
371
372 #define EXT_CSD_CARD_TYPE_SDR_1_2V_DDR_1_8V (EXT_CSD_CARD_TYPE_SDR_1_2V | \
373 EXT_CSD_CARD_TYPE_DDR_1_8V | \
374 EXT_CSD_CARD_TYPE_52 | \
375 EXT_CSD_CARD_TYPE_26)
376
377 #define EXT_CSD_CARD_TYPE_SDR_1_8V_DDR_1_8V (EXT_CSD_CARD_TYPE_SDR_1_8V | \
378 EXT_CSD_CARD_TYPE_DDR_1_8V | \
379 EXT_CSD_CARD_TYPE_52 | \
380 EXT_CSD_CARD_TYPE_26)
381
382 #define EXT_CSD_CARD_TYPE_SDR_1_2V_DDR_1_2V (EXT_CSD_CARD_TYPE_SDR_1_2V | \
383 EXT_CSD_CARD_TYPE_DDR_1_2V | \
384 EXT_CSD_CARD_TYPE_52 | \
385 EXT_CSD_CARD_TYPE_26)
386
387 #define EXT_CSD_CARD_TYPE_SDR_1_8V_DDR_1_2V (EXT_CSD_CARD_TYPE_SDR_1_8V | \
388 EXT_CSD_CARD_TYPE_DDR_1_2V | \
389 EXT_CSD_CARD_TYPE_52 | \
390 EXT_CSD_CARD_TYPE_26)
391
392 #define EXT_CSD_CARD_TYPE_SDR_1_2V_DDR_52 (EXT_CSD_CARD_TYPE_SDR_1_2V | \
393 EXT_CSD_CARD_TYPE_DDR_52 | \
394 EXT_CSD_CARD_TYPE_52 | \
395 EXT_CSD_CARD_TYPE_26)
396
397 #define EXT_CSD_CARD_TYPE_SDR_1_8V_DDR_52 (EXT_CSD_CARD_TYPE_SDR_1_8V | \
398 EXT_CSD_CARD_TYPE_DDR_52 | \
399 EXT_CSD_CARD_TYPE_52 | \
400 EXT_CSD_CARD_TYPE_26)
401
402 #define EXT_CSD_CARD_TYPE_SDR_ALL_DDR_1_8V (EXT_CSD_CARD_TYPE_SDR_200 | \
403 EXT_CSD_CARD_TYPE_DDR_1_8V | \
404 EXT_CSD_CARD_TYPE_52 | \
405 EXT_CSD_CARD_TYPE_26)
406
407 #define EXT_CSD_CARD_TYPE_SDR_ALL_DDR_1_2V (EXT_CSD_CARD_TYPE_SDR_200 | \
408 EXT_CSD_CARD_TYPE_DDR_1_2V | \
409 EXT_CSD_CARD_TYPE_52 | \
410 EXT_CSD_CARD_TYPE_26)
411
412 #define EXT_CSD_CARD_TYPE_SDR_ALL_DDR_52 (EXT_CSD_CARD_TYPE_SDR_200 | \
413 EXT_CSD_CARD_TYPE_DDR_52 | \
414 EXT_CSD_CARD_TYPE_52 | \
415 EXT_CSD_CARD_TYPE_26)
416
417 #define EXT_CSD_BUS_WIDTH_1 0 /* Card is in 1 bit mode */
418 #define EXT_CSD_BUS_WIDTH_4 1 /* Card is in 4 bit mode */
419 #define EXT_CSD_BUS_WIDTH_8 2 /* Card is in 8 bit mode */
420 #define EXT_CSD_DDR_BUS_WIDTH_4 5 /* Card is in 4 bit DDR mode */
421 #define EXT_CSD_DDR_BUS_WIDTH_8 6 /* Card is in 8 bit DDR mode */
422
423 #define EXT_CSD_SEC_ER_EN BIT(0)
424 #define EXT_CSD_SEC_BD_BLK_EN BIT(2)
425 #define EXT_CSD_SEC_GB_CL_EN BIT(4)
426 #define EXT_CSD_SEC_SANITIZE BIT(6) /* v4.5 only */
427
428 #define EXT_CSD_RST_N_EN_MASK 0x3
429 #define EXT_CSD_RST_N_ENABLED 1 /* RST_n is enabled on card */
430
431 #define EXT_CSD_NO_POWER_NOTIFICATION 0
432 #define EXT_CSD_POWER_ON 1
433 #define EXT_CSD_POWER_OFF_SHORT 2
434 #define EXT_CSD_POWER_OFF_LONG 3
435
436 #define EXT_CSD_PWR_CL_8BIT_MASK 0xF0 /* 8 bit PWR CLS */
437 #define EXT_CSD_PWR_CL_4BIT_MASK 0x0F /* 8 bit PWR CLS */
438 #define EXT_CSD_PWR_CL_8BIT_SHIFT 4
439 #define EXT_CSD_PWR_CL_4BIT_SHIFT 0
440 /*
441 * MMC_SWITCH access modes
442 */
443
444 #define MMC_SWITCH_MODE_CMD_SET 0x00 /* Change the command set */
445 #define MMC_SWITCH_MODE_SET_BITS 0x01 /* Set bits which are 1 in value */
446 #define MMC_SWITCH_MODE_CLEAR_BITS 0x02 /* Clear bits which are 1 in value */
447 #define MMC_SWITCH_MODE_WRITE_BYTE 0x03 /* Set target to value */
448
449 #endif /* LINUX_MMC_MMC_H */
450