sdmmcreg.h revision 1.4 1 /* $NetBSD: sdmmcreg.h,v 1.4 2010/04/06 15:10:09 nonaka Exp $ */
2 /* $OpenBSD: sdmmcreg.h,v 1.4 2009/01/09 10:55:22 jsg Exp $ */
3
4 /*
5 * Copyright (c) 2006 Uwe Stuehler <uwe (at) openbsd.org>
6 *
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 */
19
20 #ifndef _SDMMCREG_H_
21 #define _SDMMCREG_H_
22
23 /* MMC commands */ /* response type */
24 #define MMC_GO_IDLE_STATE 0 /* R0 */
25 #define MMC_SEND_OP_COND 1 /* R3 */
26 #define MMC_ALL_SEND_CID 2 /* R2 */
27 #define MMC_SET_RELATIVE_ADDR 3 /* R1 */
28 #define MMC_SWITCH 6 /* R1b */
29 #define MMC_SELECT_CARD 7 /* R1 */
30 #define MMC_SEND_EXT_CSD 8 /* R1 */
31 #define MMC_SEND_CSD 9 /* R2 */
32 #define MMC_SEND_CID 10 /* R2 */
33 #define MMC_STOP_TRANSMISSION 12 /* R1b */
34 #define MMC_SEND_STATUS 13 /* R1 */
35 #define MMC_INACTIVE_STATE 15 /* R0 */
36 #define MMC_SET_BLOCKLEN 16 /* R1 */
37 #define MMC_READ_BLOCK_SINGLE 17 /* R1 */
38 #define MMC_READ_BLOCK_MULTIPLE 18 /* R1 */
39 #define MMC_SET_BLOCK_COUNT 23 /* R1 */
40 #define MMC_WRITE_BLOCK_SINGLE 24 /* R1 */
41 #define MMC_WRITE_BLOCK_MULTIPLE 25 /* R1 */
42 #define MMC_PROGRAM_CSD 27 /* R1 */
43 #define MMC_SET_WRITE_PROT 28 /* R1b */
44 #define MMC_SET_CLR_WRITE_PROT 29 /* R1b */
45 #define MMC_SET_SEND_WRITE_PROT 30 /* R1 */
46 #define MMC_TAG_SECTOR_START 32 /* R1 */
47 #define MMC_TAG_SECTOR_END 33 /* R1 */
48 #define MMC_UNTAG_SECTOR 34 /* R1 */
49 #define MMC_TAG_ERASE_GROUP_START 35 /* R1 */
50 #define MMC_TAG_ERASE_GROUP_END 36 /* R1 */
51 #define MMC_UNTAG_ERASE_GROUP 37 /* R1 */
52 #define MMC_ERASE 38 /* R1b */
53 #define MMC_LOCK_UNLOCK 42 /* R1b */
54 #define MMC_APP_CMD 55 /* R1 */
55 #define MMC_READ_OCR 58 /* R3 */
56
57 /* SD commands */ /* response type */
58 #define SD_SEND_RELATIVE_ADDR 3 /* R6 */
59 #define SD_SEND_IF_COND 8 /* R7 */
60
61 /* SD application commands */ /* response type */
62 #define SD_APP_SET_BUS_WIDTH 6 /* R1 */
63 #define SD_APP_OP_COND 41 /* R3 */
64 #define SD_APP_SEND_SCR 51 /* R1 */
65
66 /* OCR bits */
67 #define MMC_OCR_MEM_READY (1U<<31)/* memory power-up status bit */
68 #define MMC_OCR_HCS (1<<30)
69 #define MMC_OCR_3_5V_3_6V (1<<23)
70 #define MMC_OCR_3_4V_3_5V (1<<22)
71 #define MMC_OCR_3_3V_3_4V (1<<21)
72 #define MMC_OCR_3_2V_3_3V (1<<20)
73 #define MMC_OCR_3_1V_3_2V (1<<19)
74 #define MMC_OCR_3_0V_3_1V (1<<18)
75 #define MMC_OCR_2_9V_3_0V (1<<17)
76 #define MMC_OCR_2_8V_2_9V (1<<16)
77 #define MMC_OCR_2_7V_2_8V (1<<15)
78 #define MMC_OCR_2_6V_2_7V (1<<14)
79 #define MMC_OCR_2_5V_2_6V (1<<13)
80 #define MMC_OCR_2_4V_2_5V (1<<12)
81 #define MMC_OCR_2_3V_2_4V (1<<11)
82 #define MMC_OCR_2_2V_2_3V (1<<10)
83 #define MMC_OCR_2_1V_2_2V (1<<9)
84 #define MMC_OCR_2_0V_2_1V (1<<8)
85 #define MMC_OCR_1_9V_2_0V (1<<7)
86 #define MMC_OCR_1_8V_1_9V (1<<6)
87 #define MMC_OCR_1_7V_1_8V (1<<5)
88 #define MMC_OCR_1_6V_1_7V (1<<4)
89
90 /* R1 response type bits */
91 #define MMC_R1_READY_FOR_DATA (1<<8) /* ready for next transfer */
92 #define MMC_R1_APP_CMD (1<<5) /* app. commands supported */
93
94 /* 48-bit response decoding (32 bits w/o CRC) */
95 #define MMC_R1(resp) ((resp)[0])
96 #define MMC_R3(resp) ((resp)[0])
97 #define SD_R6(resp) ((resp)[0])
98 #define MMC_R7(resp) ((resp)[0])
99 #define MMC_SPI_R1(resp) ((resp)[0])
100 #define MMC_SPI_R7(resp) ((resp)[1])
101
102 /* RCA argument and response */
103 #define MMC_ARG_RCA(rca) ((rca) << 16)
104 #define SD_R6_RCA(resp) (SD_R6((resp)) >> 16)
105
106 /* bus width argument */
107 #define SD_ARG_BUS_WIDTH_1 0
108 #define SD_ARG_BUS_WIDTH_4 2
109
110 /* EXT_CSD fields */
111 #define EXT_CSD_BUS_WIDTH 183 /* R/W */
112
113 /* EXT_CSD field definitions */
114 #define EXT_CSD_CMD_SET_NORMAL (1U << 0)
115 #define EXT_CSD_CMD_SET_SECURE (1U << 1)
116 #define EXT_CSD_CMD_SET_CPSECURE (1U << 2)
117
118 /* EXT_CSD_BUS_WIDTH */
119 #define EXT_CSD_BUS_WIDTH_1 0 /* 1 bit mode */
120 #define EXT_CSD_BUS_WIDTH_4 1 /* 4 bit mode */
121 #define EXT_CSD_BUS_WIDTH_8 2 /* 8 bit mode */
122
123 /* MMC_SWITCH access mode */
124 #define MMC_SWITCH_MODE_CMD_SET 0x00 /* Change the command set */
125 #define MMC_SWITCH_MODE_SET_BITS 0x01 /* Set bits in value */
126 #define MMC_SWITCH_MODE_CLEAR_BITS 0x02 /* Clear bits in value */
127 #define MMC_SWITCH_MODE_WRITE_BYTE 0x03 /* Set target to value */
128
129 /* SPI mode reports R1/R2(SEND_STATUS) status. */
130 #define R1_SPI_IDLE (1 << 0)
131 #define R1_SPI_ERASE_RESET (1 << 1)
132 #define R1_SPI_ILLEGAL_COMMAND (1 << 2)
133 #define R1_SPI_COM_CRC (1 << 3)
134 #define R1_SPI_ERASE_SEQ (1 << 4)
135 #define R1_SPI_ADDRESS (1 << 5)
136 #define R1_SPI_PARAMETER (1 << 6)
137 /* R1 bit 7 is always zero */
138 #define R2_SPI_CARD_LOCKED (1 << 8)
139 #define R2_SPI_WP_ERASE_SKIP (1 << 9) /* or lock/unlock fail */
140 #define R2_SPI_LOCK_UNLOCK_FAIL R2_SPI_WP_ERASE_SKIP
141 #define R2_SPI_ERROR (1 << 10)
142 #define R2_SPI_CC_ERROR (1 << 11)
143 #define R2_SPI_CARD_ECC_ERROR (1 << 12)
144 #define R2_SPI_WP_VIOLATION (1 << 13)
145 #define R2_SPI_ERASE_PARAM (1 << 14)
146 #define R2_SPI_OUT_OF_RANGE (1 << 15) /* or CSD overwrite */
147 #define R2_SPI_CSD_OVERWRITE R2_SPI_OUT_OF_RANGE
148
149 /* MMC R2 response (CSD) */
150 #define MMC_CSD_CSDVER(resp) MMC_RSP_BITS((resp), 126, 2)
151 #define MMC_CSD_CSDVER_1_0 1
152 #define MMC_CSD_CSDVER_2_0 2
153 #define MMC_CSD_MMCVER(resp) MMC_RSP_BITS((resp), 122, 4)
154 #define MMC_CSD_MMCVER_1_0 0 /* MMC 1.0 - 1.2 */
155 #define MMC_CSD_MMCVER_1_4 1 /* MMC 1.4 */
156 #define MMC_CSD_MMCVER_2_0 2 /* MMC 2.0 - 2.2 */
157 #define MMC_CSD_MMCVER_3_1 3 /* MMC 3.1 - 3.3 */
158 #define MMC_CSD_MMCVER_4_0 4 /* MMC 4 */
159 #define MMC_CSD_TAAC(resp) MMC_RSP_BITS((resp), 112, 8)
160 #define MMC_CSD_TAAC_MANT(resp) MMC_RSP_BITS((resp), 115, 4)
161 #define MMC_CSD_TAAC_EXP(resp) MMC_RSP_BITS((resp), 112, 3)
162 #define MMC_CSD_NSAC(resp) MMC_RSP_BITS((resp), 104, 8)
163 #define MMC_CSD_TRAN_SPEED(resp) MMC_RSP_BITS((resp), 96, 8)
164 #define MMC_CSD_TRAN_SPEED_MANT(resp) MMC_RSP_BITS((resp), 99, 4)
165 #define MMC_CSD_TRAN_SPEED_EXP(resp) MMC_RSP_BITS((resp), 96, 3)
166 #define MMC_CSD_READ_BL_LEN(resp) MMC_RSP_BITS((resp), 80, 4)
167 #define MMC_CSD_C_SIZE(resp) MMC_RSP_BITS((resp), 62, 12)
168 #define MMC_CSD_CAPACITY(resp) ((MMC_CSD_C_SIZE((resp))+1) << \
169 (MMC_CSD_C_SIZE_MULT((resp))+2))
170 #define MMC_CSD_C_SIZE_MULT(resp) MMC_RSP_BITS((resp), 47, 3)
171 #define MMC_CSD_R2W_FACTOR(resp) MMC_RSP_BITS((resp), 26, 3)
172 #define MMC_CSD_WRITE_BL_LEN(resp) MMC_RSP_BITS((resp), 22, 4)
173
174 /* MMC v1 R2 response (CID) */
175 #define MMC_CID_MID_V1(resp) MMC_RSP_BITS((resp), 104, 24)
176 #define MMC_CID_PNM_V1_CPY(resp, pnm) \
177 do { \
178 (pnm)[0] = MMC_RSP_BITS((resp), 96, 8); \
179 (pnm)[1] = MMC_RSP_BITS((resp), 88, 8); \
180 (pnm)[2] = MMC_RSP_BITS((resp), 80, 8); \
181 (pnm)[3] = MMC_RSP_BITS((resp), 72, 8); \
182 (pnm)[4] = MMC_RSP_BITS((resp), 64, 8); \
183 (pnm)[5] = MMC_RSP_BITS((resp), 56, 8); \
184 (pnm)[6] = MMC_RSP_BITS((resp), 48, 8); \
185 (pnm)[7] = '\0'; \
186 } while (/*CONSTCOND*/0)
187 #define MMC_CID_REV_V1(resp) MMC_RSP_BITS((resp), 40, 8)
188 #define MMC_CID_PSN_V1(resp) MMC_RSP_BITS((resp), 16, 24)
189 #define MMC_CID_MDT_V1(resp) MMC_RSP_BITS((resp), 8, 8)
190
191 /* MMC v2 R2 response (CID) */
192 #define MMC_CID_MID_V2(resp) MMC_RSP_BITS((resp), 120, 8)
193 #define MMC_CID_OID_V2(resp) MMC_RSP_BITS((resp), 104, 16)
194 #define MMC_CID_PNM_V2_CPY(resp, pnm) \
195 do { \
196 (pnm)[0] = MMC_RSP_BITS((resp), 96, 8); \
197 (pnm)[1] = MMC_RSP_BITS((resp), 88, 8); \
198 (pnm)[2] = MMC_RSP_BITS((resp), 80, 8); \
199 (pnm)[3] = MMC_RSP_BITS((resp), 72, 8); \
200 (pnm)[4] = MMC_RSP_BITS((resp), 64, 8); \
201 (pnm)[5] = MMC_RSP_BITS((resp), 56, 8); \
202 (pnm)[6] = '\0'; \
203 } while (/*CONSTCOND*/0)
204 #define MMC_CID_PSN_V2(resp) MMC_RSP_BITS((resp), 16, 32)
205
206 /* SD R2 response (CSD) */
207 #define SD_CSD_CSDVER(resp) MMC_RSP_BITS((resp), 126, 2)
208 #define SD_CSD_CSDVER_1_0 0
209 #define SD_CSD_CSDVER_2_0 1
210 #define SD_CSD_MMCVER(resp) MMC_RSP_BITS((resp), 122, 4)
211 #define SD_CSD_TAAC(resp) MMC_RSP_BITS((resp), 112, 8)
212 #define SD_CSD_TAAC_EXP(resp) MMC_RSP_BITS((resp), 115, 4)
213 #define SD_CSD_TAAC_MANT(resp) MMC_RSP_BITS((resp), 112, 3)
214 #define SD_CSD_TAAC_1_5_MSEC 0x26
215 #define SD_CSD_NSAC(resp) MMC_RSP_BITS((resp), 104, 8)
216 #define SD_CSD_SPEED(resp) MMC_RSP_BITS((resp), 96, 8)
217 #define SD_CSD_SPEED_MANT(resp) MMC_RSP_BITS((resp), 99, 4)
218 #define SD_CSD_SPEED_EXP(resp) MMC_RSP_BITS((resp), 96, 3)
219 #define SD_CSD_SPEED_25_MHZ 0x32
220 #define SD_CSD_SPEED_50_MHZ 0x5a
221 #define SD_CSD_CCC(resp) MMC_RSP_BITS((resp), 84, 12)
222 #define SD_CSD_CCC_ALL 0x5f5
223 #define SD_CSD_READ_BL_LEN(resp) MMC_RSP_BITS((resp), 80, 4)
224 #define SD_CSD_READ_BL_PARTIAL(resp) MMC_RSP_BITS((resp), 79, 1)
225 #define SD_CSD_WRITE_BLK_MISALIGN(resp) MMC_RSP_BITS((resp), 78, 1)
226 #define SD_CSD_READ_BLK_MISALIGN(resp) MMC_RSP_BITS((resp), 77, 1)
227 #define SD_CSD_DSR_IMP(resp) MMC_RSP_BITS((resp), 76, 1)
228 #define SD_CSD_C_SIZE(resp) MMC_RSP_BITS((resp), 62, 12)
229 #define SD_CSD_CAPACITY(resp) ((SD_CSD_C_SIZE((resp))+1) << \
230 (SD_CSD_C_SIZE_MULT((resp))+2))
231 #define SD_CSD_VDD_R_CURR_MIN(resp) MMC_RSP_BITS((resp), 59, 3)
232 #define SD_CSD_VDD_R_CURR_MAX(resp) MMC_RSP_BITS((resp), 56, 3)
233 #define SD_CSD_VDD_W_CURR_MIN(resp) MMC_RSP_BITS((resp), 53, 3)
234 #define SD_CSD_VDD_W_CURR_MAX(resp) MMC_RSP_BITS((resp), 50, 3)
235 #define SD_CSD_VDD_RW_CURR_100mA 0x7
236 #define SD_CSD_VDD_RW_CURR_80mA 0x6
237 #define SD_CSD_V2_C_SIZE(resp) MMC_RSP_BITS((resp), 48, 22)
238 #define SD_CSD_V2_CAPACITY(resp) ((SD_CSD_V2_C_SIZE((resp))+1) << 10)
239 #define SD_CSD_V2_BL_LEN 0x9 /* 512 */
240 #define SD_CSD_C_SIZE_MULT(resp) MMC_RSP_BITS((resp), 47, 3)
241 #define SD_CSD_ERASE_BLK_EN(resp) MMC_RSP_BITS((resp), 46, 1)
242 #define SD_CSD_SECTOR_SIZE(resp) MMC_RSP_BITS((resp), 39, 7) /* +1 */
243 #define SD_CSD_WP_GRP_SIZE(resp) MMC_RSP_BITS((resp), 32, 7) /* +1 */
244 #define SD_CSD_WP_GRP_ENABLE(resp) MMC_RSP_BITS((resp), 31, 1)
245 #define SD_CSD_R2W_FACTOR(resp) MMC_RSP_BITS((resp), 26, 3)
246 #define SD_CSD_WRITE_BL_LEN(resp) MMC_RSP_BITS((resp), 22, 4)
247 #define SD_CSD_RW_BL_LEN_2G 0xa
248 #define SD_CSD_RW_BL_LEN_1G 0x9
249 #define SD_CSD_WRITE_BL_PARTIAL(resp) MMC_RSP_BITS((resp), 21, 1)
250 #define SD_CSD_FILE_FORMAT_GRP(resp) MMC_RSP_BITS((resp), 15, 1)
251 #define SD_CSD_COPY(resp) MMC_RSP_BITS((resp), 14, 1)
252 #define SD_CSD_PERM_WRITE_PROTECT(resp) MMC_RSP_BITS((resp), 13, 1)
253 #define SD_CSD_TMP_WRITE_PROTECT(resp) MMC_RSP_BITS((resp), 12, 1)
254 #define SD_CSD_FILE_FORMAT(resp) MMC_RSP_BITS((resp), 10, 2)
255
256 /* SD R2 response (CID) */
257 #define SD_CID_MID(resp) MMC_RSP_BITS((resp), 120, 8)
258 #define SD_CID_OID(resp) MMC_RSP_BITS((resp), 104, 16)
259 #define SD_CID_PNM_CPY(resp, pnm) \
260 do { \
261 (pnm)[0] = MMC_RSP_BITS((resp), 96, 8); \
262 (pnm)[1] = MMC_RSP_BITS((resp), 88, 8); \
263 (pnm)[2] = MMC_RSP_BITS((resp), 80, 8); \
264 (pnm)[3] = MMC_RSP_BITS((resp), 72, 8); \
265 (pnm)[4] = MMC_RSP_BITS((resp), 64, 8); \
266 (pnm)[5] = '\0'; \
267 } while (/*CONSTCOND*/0)
268 #define SD_CID_REV(resp) MMC_RSP_BITS((resp), 56, 8)
269 #define SD_CID_PSN(resp) MMC_RSP_BITS((resp), 24, 32)
270 #define SD_CID_MDT(resp) MMC_RSP_BITS((resp), 8, 12)
271
272 /* SCR (SD Configuration Register) */
273 #define SCR_STRUCTURE(scr) MMC_RSP_BITS((scr), 60, 4)
274 #define SCR_STRUCTURE_VER_1_0 0 /* Version 1.0 */
275 #define SCR_SD_SPEC(scr) MMC_RSP_BITS((scr), 56, 4)
276 #define SCR_SD_SPEC_VER_1_0 0 /* Version 1.0 */
277 #define SCR_DATA_STAT_AFTER_ERASE(scr) MMC_RSP_BITS((scr), 55, 1)
278 #define SCR_SD_SECURITY(scr) MMC_RSP_BITS((scr), 52, 3)
279 #define SCR_SD_SECURITY_NONE 0 /* no security */
280 #define SCR_SD_SECURITY_1_0 1 /* security protocol 1.0 */
281 #define SCR_SD_SECURITY_1_0_2 2 /* security protocol 1.0 */
282 #define SCR_SD_BUS_WIDTHS(scr) MMC_RSP_BITS((scr), 48, 4)
283 #define SCR_SD_BUS_WIDTHS_1BIT (1 << 0) /* 1bit (DAT0) */
284 #define SCR_SD_BUS_WIDTHS_4BIT (1 << 2) /* 4bit (DAT0-3) */
285 #define SCR_RESERVED(scr) MMC_RSP_BITS((scr), 32, 16)
286 #define SCR_RESERVED2(scr) MMC_RSP_BITS((scr), 0, 32)
287
288 /* Might be slow, but it should work on big and little endian systems. */
289 #define MMC_RSP_BITS(resp, start, len) __bitfield((resp), (start)-8, (len))
290 static inline int
291 __bitfield(uint32_t *src, int start, int len)
292 {
293 uint8_t *sp;
294 uint32_t dst, mask;
295 int shift, bs, bc;
296
297 if (start < 0 || len < 0 || len > 32)
298 return 0;
299
300 dst = 0;
301 mask = len % 32 ? UINT_MAX >> (32 - (len % 32)) : UINT_MAX;
302 shift = 0;
303
304 while (len > 0) {
305 sp = (uint8_t *)src + start / 8;
306 bs = start % 8;
307 bc = 8 - bs;
308 if (bc > len)
309 bc = len;
310 dst |= (*sp++ >> bs) << shift;
311 shift += bc;
312 start += bc;
313 len -= bc;
314 }
315
316 dst &= mask;
317 return (int)dst;
318 }
319
320 #endif /* _SDMMCREG_H_ */
321