xref: /freebsd/sys/dev/mmc/mmcreg.h (revision 74fe6c29fb7eef3418d7919dcd41dc1a04a982a1)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2006 M. Warner Losh.  All rights reserved.
5  * Copyright (c) 2017 Marius Strobl <marius@FreeBSD.org>
6  * Copyright (c) 2015-2016 Ilya Bakulin <kibab@FreeBSD.org>
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  *
28  * Portions of this software may have been developed with reference to
29  * the SD Simplified Specification.  The following disclaimer may apply:
30  *
31  * The following conditions apply to the release of the simplified
32  * specification ("Simplified Specification") by the SD Card Association and
33  * the SD Group. The Simplified Specification is a subset of the complete SD
34  * Specification which is owned by the SD Card Association and the SD
35  * Group. This Simplified Specification is provided on a non-confidential
36  * basis subject to the disclaimers below. Any implementation of the
37  * Simplified Specification may require a license from the SD Card
38  * Association, SD Group, SD-3C LLC or other third parties.
39  *
40  * Disclaimers:
41  *
42  * The information contained in the Simplified Specification is presented only
43  * as a standard specification for SD Cards and SD Host/Ancillary products and
44  * is provided "AS-IS" without any representations or warranties of any
45  * kind. No responsibility is assumed by the SD Group, SD-3C LLC or the SD
46  * Card Association for any damages, any infringements of patents or other
47  * right of the SD Group, SD-3C LLC, the SD Card Association or any third
48  * parties, which may result from its use. No license is granted by
49  * implication, estoppel or otherwise under any patent or other rights of the
50  * SD Group, SD-3C LLC, the SD Card Association or any third party. Nothing
51  * herein shall be construed as an obligation by the SD Group, the SD-3C LLC
52  * or the SD Card Association to disclose or distribute any technical
53  * information, know-how or other confidential information to any third party.
54  *
55  * $FreeBSD$
56  */
57 
58 #ifndef DEV_MMC_MMCREG_H
59 #define	DEV_MMC_MMCREG_H
60 
61 /*
62  * This file contains the register definitions for the mmc and sd buses.
63  * They are taken from publicly available sources.
64  */
65 
66 struct mmc_data;
67 struct mmc_request;
68 
69 struct mmc_command {
70 	uint32_t	opcode;
71 	uint32_t	arg;
72 	uint32_t	resp[4];
73 	uint32_t	flags;		/* Expected responses */
74 #define	MMC_RSP_PRESENT	(1ul << 0)	/* Response */
75 #define	MMC_RSP_136	(1ul << 1)	/* 136 bit response */
76 #define	MMC_RSP_CRC	(1ul << 2)	/* Expect valid crc */
77 #define	MMC_RSP_BUSY	(1ul << 3)	/* Card may send busy */
78 #define	MMC_RSP_OPCODE	(1ul << 4)	/* Response include opcode */
79 #define	MMC_RSP_MASK	0x1ful
80 #define	MMC_CMD_AC	(0ul << 5)	/* Addressed Command, no data */
81 #define	MMC_CMD_ADTC	(1ul << 5)	/* Addressed Data transfer cmd */
82 #define	MMC_CMD_BC	(2ul << 5)	/* Broadcast command, no response */
83 #define	MMC_CMD_BCR	(3ul << 5)	/* Broadcast command with response */
84 #define	MMC_CMD_MASK	(3ul << 5)
85 
86 /* Possible response types defined in the standard: */
87 #define	MMC_RSP_NONE	(0)
88 #define	MMC_RSP_R1	(MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE)
89 #define	MMC_RSP_R1B	(MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE | MMC_RSP_BUSY)
90 #define	MMC_RSP_R2	(MMC_RSP_PRESENT | MMC_RSP_136 | MMC_RSP_CRC)
91 #define	MMC_RSP_R3	(MMC_RSP_PRESENT)
92 #define	MMC_RSP_R4	(MMC_RSP_PRESENT)
93 #define	MMC_RSP_R5	(MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE)
94 #define	MMC_RSP_R5B	(MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE | MMC_RSP_BUSY)
95 #define	MMC_RSP_R6	(MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE)
96 #define	MMC_RSP_R7	(MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE)
97 #define	MMC_RSP(x)	((x) & MMC_RSP_MASK)
98 	uint32_t	retries;
99 	uint32_t	error;
100 #define	MMC_ERR_NONE	0
101 #define	MMC_ERR_TIMEOUT	1
102 #define	MMC_ERR_BADCRC	2
103 #define	MMC_ERR_FIFO	3
104 #define	MMC_ERR_FAILED	4
105 #define	MMC_ERR_INVALID	5
106 #define	MMC_ERR_NO_MEMORY 6
107 #define	MMC_ERR_MAX	6
108 	struct mmc_data	*data;		/* Data segment with cmd */
109 	struct mmc_request *mrq;	/* backpointer to request */
110 };
111 
112 /*
113  * R1 responses
114  *
115  * Types (per SD 2.0 standard)
116  *	e : error bit
117  *	s : status bit
118  *	r : detected and set for the actual command response
119  *	x : Detected and set during command execution.  The host can get
120  *	    the status by issuing a command with R1 response.
121  *
122  * Clear Condition (per SD 2.0 standard)
123  *	a : according to the card current state.
124  *	b : always related to the previous command.  reception of a valid
125  *	    command will clear it (with a delay of one command).
126  *	c : clear by read
127  */
128 #define	R1_OUT_OF_RANGE (1u << 31)		/* erx, c */
129 #define	R1_ADDRESS_ERROR (1u << 30)		/* erx, c */
130 #define	R1_BLOCK_LEN_ERROR (1u << 29)		/* erx, c */
131 #define	R1_ERASE_SEQ_ERROR (1u << 28)		/* er, c */
132 #define	R1_ERASE_PARAM (1u << 27)		/* erx, c */
133 #define	R1_WP_VIOLATION (1u << 26)		/* erx, c */
134 #define	R1_CARD_IS_LOCKED (1u << 25)		/* sx, a */
135 #define	R1_LOCK_UNLOCK_FAILED (1u << 24)	/* erx, c */
136 #define	R1_COM_CRC_ERROR (1u << 23)		/* er, b */
137 #define	R1_ILLEGAL_COMMAND (1u << 22)		/* er, b */
138 #define	R1_CARD_ECC_FAILED (1u << 21)		/* erx, c */
139 #define	R1_CC_ERROR (1u << 20)			/* erx, c */
140 #define	R1_ERROR (1u << 19)			/* erx, c */
141 #define	R1_CSD_OVERWRITE (1u << 16)		/* erx, c */
142 #define	R1_WP_ERASE_SKIP (1u << 15)		/* erx, c */
143 #define	R1_CARD_ECC_DISABLED (1u << 14)		/* sx, a */
144 #define	R1_ERASE_RESET (1u << 13)		/* sr, c */
145 #define	R1_CURRENT_STATE_MASK (0xfu << 9)	/* sx, b */
146 #define	R1_READY_FOR_DATA (1u << 8)		/* sx, a */
147 #define	R1_SWITCH_ERROR (1u << 7)		/* sx, c */
148 #define	R1_APP_CMD (1u << 5)			/* sr, c */
149 #define	R1_AKE_SEQ_ERROR (1u << 3)		/* er, c */
150 #define	R1_STATUS(x)		((x) & 0xFFFFE000)
151 #define	R1_CURRENT_STATE(x)	(((x) & R1_CURRENT_STATE_MASK) >> 9)
152 #define	R1_STATE_IDLE	0
153 #define	R1_STATE_READY	1
154 #define	R1_STATE_IDENT	2
155 #define	R1_STATE_STBY	3
156 #define	R1_STATE_TRAN	4
157 #define	R1_STATE_DATA	5
158 #define	R1_STATE_RCV	6
159 #define	R1_STATE_PRG	7
160 #define	R1_STATE_DIS	8
161 
162 /* R4 response (SDIO) */
163 #define R4_IO_NUM_FUNCTIONS(ocr)	(((ocr) >> 28) & 0x3)
164 #define R4_IO_MEM_PRESENT		(0x1<<27)
165 #define R4_IO_OCR_MASK			0x00fffff0
166 
167 /*
168  * R5 responses
169  *
170  * Types (per SD 2.0 standard)
171  *e : error bit
172  *s : status bit
173  *r : detected and set for the actual command response
174  *x : Detected and set during command execution.  The host can get
175  *    the status by issuing a command with R1 response.
176  *
177  * Clear Condition (per SD 2.0 standard)
178  *a : according to the card current state.
179  *b : always related to the previous command.  reception of a valid
180  *    command will clear it (with a delay of one command).
181  *c : clear by read
182  */
183 #define R5_COM_CRC_ERROR		(1u << 15)/* er, b */
184 #define R5_ILLEGAL_COMMAND		(1u << 14)/* er, b */
185 #define R5_IO_CURRENT_STATE_MASK	(3u << 12)/* s, b */
186 #define R5_IO_CURRENT_STATE(x) 		(((x) & R5_IO_CURRENT_STATE_MASK) >> 12)
187 #define R5_ERROR			(1u << 11)/* erx, c */
188 #define R5_FUNCTION_NUMBER		(1u << 9)/* er, c */
189 #define R5_OUT_OF_RANGE			(1u << 8)/* er, c */
190 struct mmc_data {
191 	size_t len;		/* size of the data */
192 	size_t xfer_len;
193 	void *data;		/* data buffer */
194 	uint32_t	flags;
195 #define	MMC_DATA_WRITE	(1UL << 0)
196 #define	MMC_DATA_READ	(1UL << 1)
197 #define	MMC_DATA_STREAM	(1UL << 2)
198 #define	MMC_DATA_MULTI	(1UL << 3)
199 	struct mmc_request *mrq;
200 };
201 
202 struct mmc_request {
203 	struct mmc_command *cmd;
204 	struct mmc_command *stop;
205 	void (*done)(struct mmc_request *); /* Completion function */
206 	void *done_data;		/* requestor set data */
207 	uint32_t flags;
208 #define	MMC_REQ_DONE	1
209 #define	MMC_TUNE_DONE	2
210 };
211 
212 /* Command definitions */
213 
214 /* Class 0 and 1: Basic commands & read stream commands */
215 #define	MMC_GO_IDLE_STATE	0
216 #define	MMC_SEND_OP_COND	1
217 #define	MMC_ALL_SEND_CID	2
218 #define	MMC_SET_RELATIVE_ADDR	3
219 #define	SD_SEND_RELATIVE_ADDR	3
220 #define	MMC_SET_DSR		4
221 #define	MMC_SLEEP_AWAKE		5
222 #define IO_SEND_OP_COND		5
223 #define	MMC_SWITCH_FUNC		6
224 #define	 MMC_SWITCH_FUNC_CMDS	 0
225 #define	 MMC_SWITCH_FUNC_SET	 1
226 #define	 MMC_SWITCH_FUNC_CLR	 2
227 #define	 MMC_SWITCH_FUNC_WR	 3
228 #define	MMC_SELECT_CARD		7
229 #define	MMC_DESELECT_CARD	7
230 #define	MMC_SEND_EXT_CSD	8
231 #define	SD_SEND_IF_COND		8
232 #define	MMC_SEND_CSD		9
233 #define	MMC_SEND_CID		10
234 #define	MMC_READ_DAT_UNTIL_STOP	11
235 #define	MMC_STOP_TRANSMISSION	12
236 #define	MMC_SEND_STATUS		13
237 #define	MMC_BUSTEST_R		14
238 #define	MMC_GO_INACTIVE_STATE	15
239 #define	MMC_BUSTEST_W		19
240 
241 /* Class 2: Block oriented read commands */
242 #define	MMC_SET_BLOCKLEN	16
243 #define	MMC_READ_SINGLE_BLOCK	17
244 #define	MMC_READ_MULTIPLE_BLOCK	18
245 #define	MMC_SEND_TUNING_BLOCK	19
246 #define	MMC_SEND_TUNING_BLOCK_HS200 21
247 
248 /* Class 3: Stream write commands */
249 #define	MMC_WRITE_DAT_UNTIL_STOP 20
250 			/* reserved: 22 */
251 
252 /* Class 4: Block oriented write commands */
253 #define	MMC_SET_BLOCK_COUNT	23
254 #define	MMC_WRITE_BLOCK		24
255 #define	MMC_WRITE_MULTIPLE_BLOCK 25
256 #define	MMC_PROGARM_CID		26
257 #define	MMC_PROGRAM_CSD		27
258 
259 /* Class 6: Block oriented write protection commands */
260 #define	MMC_SET_WRITE_PROT	28
261 #define	MMC_CLR_WRITE_PROT	29
262 #define	MMC_SEND_WRITE_PROT	30
263 			/* reserved: 31 */
264 
265 /* Class 5: Erase commands */
266 #define	SD_ERASE_WR_BLK_START	32
267 #define	SD_ERASE_WR_BLK_END	33
268 			/* 34 -- reserved old command */
269 #define	MMC_ERASE_GROUP_START	35
270 #define	MMC_ERASE_GROUP_END	36
271 			/* 37 -- reserved old command */
272 #define	MMC_ERASE		38
273 #define	 MMC_ERASE_ERASE	0x00000000
274 #define	 MMC_ERASE_TRIM		0x00000001
275 #define	 MMC_ERASE_FULE		0x00000002
276 #define	 MMC_ERASE_DISCARD	0x00000003
277 #define	 MMC_ERASE_SECURE_ERASE	0x80000000
278 #define	 MMC_ERASE_SECURE_TRIM1	0x80000001
279 #define	 MMC_ERASE_SECURE_TRIM2	0x80008000
280 
281 /* Class 9: I/O mode commands */
282 #define	MMC_FAST_IO		39
283 #define	MMC_GO_IRQ_STATE	40
284 			/* reserved: 41 */
285 
286 /* Class 7: Lock card */
287 #define	MMC_LOCK_UNLOCK		42
288 			/* reserved: 43 */
289 			/* reserved: 44 */
290 			/* reserved: 45 */
291 			/* reserved: 46 */
292 			/* reserved: 47 */
293 			/* reserved: 48 */
294 			/* reserved: 49 */
295 			/* reserved: 50 */
296 			/* reserved: 51 */
297 			/* reserved: 54 */
298 
299 /* Class 8: Application specific commands */
300 #define	MMC_APP_CMD		55
301 #define	MMC_GEN_CMD		56
302 			/* reserved: 57 */
303 			/* reserved: 58 */
304 			/* reserved: 59 */
305 			/* reserved for mfg: 60 */
306 			/* reserved for mfg: 61 */
307 			/* reserved for mfg: 62 */
308 			/* reserved for mfg: 63 */
309 
310 /* Class 9: I/O cards (sd) */
311 #define	SD_IO_RW_DIRECT		52
312 /* CMD52 arguments */
313 #define  SD_ARG_CMD52_READ		(0<<31)
314 #define  SD_ARG_CMD52_WRITE		(1<<31)
315 #define  SD_ARG_CMD52_FUNC_SHIFT		28
316 #define  SD_ARG_CMD52_FUNC_MASK		0x7
317 #define  SD_ARG_CMD52_EXCHANGE		(1<<27)
318 #define  SD_ARG_CMD52_REG_SHIFT		9
319 #define  SD_ARG_CMD52_REG_MASK		0x1ffff
320 #define  SD_ARG_CMD52_DATA_SHIFT		0
321 #define  SD_ARG_CMD52_DATA_MASK		0xff
322 #define  SD_R5_DATA(resp)		((resp)[0] & 0xff)
323 
324 #define	SD_IO_RW_EXTENDED	53
325 /* CMD53 arguments */
326 #define  SD_ARG_CMD53_READ		(0<<31)
327 #define  SD_ARG_CMD53_WRITE		(1<<31)
328 #define  SD_ARG_CMD53_FUNC_SHIFT		28
329 #define  SD_ARG_CMD53_FUNC_MASK		0x7
330 #define  SD_ARG_CMD53_BLOCK_MODE		(1<<27)
331 #define  SD_ARG_CMD53_INCREMENT		(1<<26)
332 #define  SD_ARG_CMD53_REG_SHIFT		9
333 #define  SD_ARG_CMD53_REG_MASK		0x1ffff
334 #define  SD_ARG_CMD53_LENGTH_SHIFT	0
335 #define  SD_ARG_CMD53_LENGTH_MASK	0x1ff
336 #define  SD_ARG_CMD53_LENGTH_MAX		64 /* XXX should be 511? */
337 
338 /* Class 10: Switch function commands */
339 #define	SD_SWITCH_FUNC		6
340 			/* reserved: 34 */
341 			/* reserved: 35 */
342 			/* reserved: 36 */
343 			/* reserved: 37 */
344 			/* reserved: 50 */
345 			/* reserved: 57 */
346 
347 /* Application specific commands for SD */
348 #define	ACMD_SET_BUS_WIDTH	6
349 #define	ACMD_SD_STATUS		13
350 #define	ACMD_SEND_NUM_WR_BLOCKS	22
351 #define	ACMD_SET_WR_BLK_ERASE_COUNT 23
352 #define	ACMD_SD_SEND_OP_COND	41
353 #define	ACMD_SET_CLR_CARD_DETECT 42
354 #define	ACMD_SEND_SCR		51
355 
356 /*
357  * EXT_CSD fields
358  */
359 #define	EXT_CSD_EXT_PART_ATTR	52	/* R/W, 2 bytes */
360 #define	EXT_CSD_ENH_START_ADDR	136	/* R/W, 4 bytes */
361 #define	EXT_CSD_ENH_SIZE_MULT	140	/* R/W, 3 bytes */
362 #define	EXT_CSD_GP_SIZE_MULT	143	/* R/W, 12 bytes */
363 #define	EXT_CSD_PART_SET	155	/* R/W */
364 #define	EXT_CSD_PART_ATTR	156	/* R/W */
365 #define	EXT_CSD_PART_SUPPORT	160	/* RO */
366 #define	EXT_CSD_RPMB_MULT	168	/* RO */
367 #define	EXT_CSD_BOOT_WP_STATUS	174	/* RO */
368 #define	EXT_CSD_ERASE_GRP_DEF	175	/* R/W */
369 #define	EXT_CSD_PART_CONFIG	179	/* R/W */
370 #define	EXT_CSD_BUS_WIDTH	183	/* R/W */
371 #define	EXT_CSD_STROBE_SUPPORT	184	/* RO */
372 #define	EXT_CSD_HS_TIMING	185	/* R/W */
373 #define	EXT_CSD_POWER_CLASS	187	/* R/W */
374 #define	EXT_CSD_CARD_TYPE	196	/* RO */
375 #define	EXT_CSD_DRIVER_STRENGTH	197	/* RO */
376 #define	EXT_CSD_REV		192	/* RO */
377 #define	EXT_CSD_PART_SWITCH_TO	199	/* RO */
378 #define	EXT_CSD_PWR_CL_52_195	200	/* RO */
379 #define	EXT_CSD_PWR_CL_26_195	201	/* RO */
380 #define	EXT_CSD_PWR_CL_52_360	202	/* RO */
381 #define	EXT_CSD_PWR_CL_26_360	203	/* RO */
382 #define	EXT_CSD_SEC_CNT		212	/* RO, 4 bytes */
383 #define	EXT_CSD_HC_WP_GRP_SIZE	221	/* RO */
384 #define	EXT_CSD_ERASE_TO_MULT	223	/* RO */
385 #define	EXT_CSD_ERASE_GRP_SIZE	224	/* RO */
386 #define	EXT_CSD_BOOT_SIZE_MULT	226	/* RO */
387 #define	EXT_CSD_SEC_FEATURE_SUPPORT 231	/* RO */
388 #define	EXT_CSD_PWR_CL_200_195	236	/* RO */
389 #define	EXT_CSD_PWR_CL_200_360	237	/* RO */
390 #define	EXT_CSD_PWR_CL_52_195_DDR 238	/* RO */
391 #define	EXT_CSD_PWR_CL_52_360_DDR 239	/* RO */
392 #define	EXT_CSD_GEN_CMD6_TIME	248	/* RO */
393 #define	EXT_CSD_PWR_CL_200_360_DDR 253	/* RO */
394 
395 /*
396  * EXT_CSD field definitions
397  */
398 #define	EXT_CSD_EXT_PART_ATTR_DEFAULT		0x0
399 #define	EXT_CSD_EXT_PART_ATTR_SYSTEMCODE	0x1
400 #define	EXT_CSD_EXT_PART_ATTR_NPERSISTENT	0x2
401 
402 #define	EXT_CSD_PART_SET_COMPLETED		0x01
403 
404 #define	EXT_CSD_PART_ATTR_ENH_USR		0x01
405 #define	EXT_CSD_PART_ATTR_ENH_GP0		0x02
406 #define	EXT_CSD_PART_ATTR_ENH_GP1		0x04
407 #define	EXT_CSD_PART_ATTR_ENH_GP2		0x08
408 #define	EXT_CSD_PART_ATTR_ENH_GP3		0x10
409 #define	EXT_CSD_PART_ATTR_ENH_MASK		0x1f
410 
411 #define	EXT_CSD_PART_SUPPORT_EN			0x01
412 #define	EXT_CSD_PART_SUPPORT_ENH_ATTR_EN	0x02
413 #define	EXT_CSD_PART_SUPPORT_EXT_ATTR_EN	0x04
414 
415 #define	EXT_CSD_BOOT_WP_STATUS_BOOT0_PWR	0x01
416 #define	EXT_CSD_BOOT_WP_STATUS_BOOT0_PERM	0x02
417 #define	EXT_CSD_BOOT_WP_STATUS_BOOT0_MASK	0x03
418 #define	EXT_CSD_BOOT_WP_STATUS_BOOT1_PWR	0x04
419 #define	EXT_CSD_BOOT_WP_STATUS_BOOT1_PERM	0x08
420 #define	EXT_CSD_BOOT_WP_STATUS_BOOT1_MASK	0x0c
421 
422 #define	EXT_CSD_ERASE_GRP_DEF_EN	0x01
423 
424 #define	EXT_CSD_PART_CONFIG_ACC_DEFAULT	0x00
425 #define	EXT_CSD_PART_CONFIG_ACC_BOOT0	0x01
426 #define	EXT_CSD_PART_CONFIG_ACC_BOOT1	0x02
427 #define	EXT_CSD_PART_CONFIG_ACC_RPMB	0x03
428 #define	EXT_CSD_PART_CONFIG_ACC_GP0	0x04
429 #define	EXT_CSD_PART_CONFIG_ACC_GP1	0x05
430 #define	EXT_CSD_PART_CONFIG_ACC_GP2	0x06
431 #define	EXT_CSD_PART_CONFIG_ACC_GP3	0x07
432 #define	EXT_CSD_PART_CONFIG_ACC_MASK	0x07
433 #define	EXT_CSD_PART_CONFIG_BOOT0	0x08
434 #define	EXT_CSD_PART_CONFIG_BOOT1	0x10
435 #define	EXT_CSD_PART_CONFIG_BOOT_USR	0x38
436 #define	EXT_CSD_PART_CONFIG_BOOT_MASK	0x38
437 #define	EXT_CSD_PART_CONFIG_BOOT_ACK	0x40
438 
439 #define	EXT_CSD_CMD_SET_NORMAL		1
440 #define	EXT_CSD_CMD_SET_SECURE		2
441 #define	EXT_CSD_CMD_SET_CPSECURE	4
442 
443 #define	EXT_CSD_HS_TIMING_BC		0
444 #define	EXT_CSD_HS_TIMING_HS		1
445 #define	EXT_CSD_HS_TIMING_HS200		2
446 #define	EXT_CSD_HS_TIMING_HS400		3
447 #define	EXT_CSD_HS_TIMING_DRV_STR_SHIFT	4
448 
449 #define	EXT_CSD_POWER_CLASS_8BIT_MASK	0xf0
450 #define	EXT_CSD_POWER_CLASS_8BIT_SHIFT	4
451 #define	EXT_CSD_POWER_CLASS_4BIT_MASK	0x0f
452 #define	EXT_CSD_POWER_CLASS_4BIT_SHIFT	0
453 
454 #define	EXT_CSD_CARD_TYPE_HS_26		0x0001
455 #define	EXT_CSD_CARD_TYPE_HS_52		0x0002
456 #define	EXT_CSD_CARD_TYPE_DDR_52_1_8V	0x0004
457 #define	EXT_CSD_CARD_TYPE_DDR_52_1_2V	0x0008
458 #define	EXT_CSD_CARD_TYPE_HS200_1_8V	0x0010
459 #define	EXT_CSD_CARD_TYPE_HS200_1_2V	0x0020
460 #define	EXT_CSD_CARD_TYPE_HS400_1_8V	0x0040
461 #define	EXT_CSD_CARD_TYPE_HS400_1_2V	0x0080
462 
463 #define	EXT_CSD_BUS_WIDTH_1	0
464 #define	EXT_CSD_BUS_WIDTH_4	1
465 #define	EXT_CSD_BUS_WIDTH_8	2
466 #define	EXT_CSD_BUS_WIDTH_4_DDR	5
467 #define	EXT_CSD_BUS_WIDTH_8_DDR	6
468 #define	EXT_CSD_BUS_WIDTH_ES	0x80
469 
470 #define	EXT_CSD_STROBE_SUPPORT_EN	0x01
471 
472 #define	EXT_CSD_SEC_FEATURE_SUPPORT_ER_EN	0x01
473 #define	EXT_CSD_SEC_FEATURE_SUPPORT_BD_BLK_EN	0x04
474 #define	EXT_CSD_SEC_FEATURE_SUPPORT_GB_CL_EN	0x10
475 #define	EXT_CSD_SEC_FEATURE_SUPPORT_SANITIZE	0x40
476 
477 /*
478  * Vendor specific EXT_CSD fields
479  */
480 /* SanDisk iNAND */
481 #define	EXT_CSD_INAND_CMD38			113
482 #define	 EXT_CSD_INAND_CMD38_ERASE		0x00
483 #define	 EXT_CSD_INAND_CMD38_TRIM		0x01
484 #define	 EXT_CSD_INAND_CMD38_SECURE_ERASE	0x80
485 #define	 EXT_CSD_INAND_CMD38_SECURE_TRIM1	0x81
486 #define	 EXT_CSD_INAND_CMD38_SECURE_TRIM2	0x82
487 
488 #define	MMC_TYPE_HS_26_MAX		26000000
489 #define	MMC_TYPE_HS_52_MAX		52000000
490 #define	MMC_TYPE_DDR52_MAX		52000000
491 #define	MMC_TYPE_HS200_HS400ES_MAX	200000000
492 
493 /*
494  * SD bus widths
495  */
496 #define	SD_BUS_WIDTH_1		0
497 #define	SD_BUS_WIDTH_4		2
498 
499 /*
500  * SD Switch
501  */
502 #define	SD_SWITCH_MODE_CHECK	0
503 #define	SD_SWITCH_MODE_SET	1
504 #define	SD_SWITCH_GROUP1	0
505 #define	SD_SWITCH_NORMAL_MODE	0
506 #define	SD_SWITCH_HS_MODE	1
507 #define	SD_SWITCH_SDR50_MODE	2
508 #define	SD_SWITCH_SDR104_MODE	3
509 #define	SD_SWITCH_DDR50		4
510 #define	SD_SWITCH_NOCHANGE	0xF
511 
512 #define	SD_CLR_CARD_DETECT	0
513 #define	SD_SET_CARD_DETECT	1
514 
515 #define	SD_HS_MAX		50000000
516 #define	SD_DDR50_MAX		50000000
517 #define	SD_SDR12_MAX		25000000
518 #define	SD_SDR25_MAX		50000000
519 #define	SD_SDR50_MAX		100000000
520 #define	SD_SDR104_MAX		208000000
521 
522 /* Specifications require 400 kHz max. during ID phase. */
523 #define	SD_MMC_CARD_ID_FREQUENCY	400000
524 
525 /*
526  * SDIO Direct & Extended I/O
527  */
528 #define SD_IO_RW_WR		(1u << 31)
529 #define SD_IO_RW_FUNC(x)	(((x) & 0x7) << 28)
530 #define SD_IO_RW_RAW		(1u << 27)
531 #define SD_IO_RW_INCR		(1u << 26)
532 #define SD_IO_RW_ADR(x)		(((x) & 0x1FFFF) << 9)
533 #define SD_IO_RW_DAT(x)		(((x) & 0xFF) << 0)
534 #define SD_IO_RW_LEN(x)		(((x) & 0xFF) << 0)
535 
536 #define SD_IOE_RW_LEN(x)	(((x) & 0x1FF) << 0)
537 #define SD_IOE_RW_BLK		(1u << 27)
538 
539 /* Card Common Control Registers (CCCR) */
540 #define SD_IO_CCCR_START		0x00000
541 #define SD_IO_CCCR_SIZE			0x100
542 #define SD_IO_CCCR_FN_ENABLE		0x02
543 #define SD_IO_CCCR_FN_READY		0x03
544 #define SD_IO_CCCR_INT_ENABLE		0x04
545 #define SD_IO_CCCR_INT_PENDING		0x05
546 #define SD_IO_CCCR_CTL			0x06
547 #define  CCCR_CTL_RES			(1<<3)
548 #define SD_IO_CCCR_BUS_WIDTH		0x07
549 #define  CCCR_BUS_WIDTH_4		(1<<1)
550 #define  CCCR_BUS_WIDTH_1		(1<<0)
551 #define SD_IO_CCCR_CARDCAP		0x08
552 #define SD_IO_CCCR_CISPTR		0x09 /* XXX 9-10, 10-11, or 9-12 */
553 
554 /* Function Basic Registers (FBR) */
555 #define SD_IO_FBR_START			0x00100
556 #define SD_IO_FBR_SIZE			0x00700
557 
558 /* Card Information Structure (CIS) */
559 #define SD_IO_CIS_START			0x01000
560 #define SD_IO_CIS_SIZE			0x17000
561 
562 /* CIS tuple codes (based on PC Card 16) */
563 #define SD_IO_CISTPL_VERS_1		0x15
564 #define SD_IO_CISTPL_MANFID		0x20
565 #define SD_IO_CISTPL_FUNCID		0x21
566 #define SD_IO_CISTPL_FUNCE		0x22
567 #define SD_IO_CISTPL_END		0xff
568 
569 /* CISTPL_FUNCID codes */
570 /* OpenBSD incorrectly defines 0x0c as FUNCTION_WLAN */
571 /* #define SDMMC_FUNCTION_WLAN		0x0c */
572 
573 /* OCR bits */
574 
575 /*
576  * in SD 2.0 spec, bits 8-14 are now marked reserved
577  * Low voltage in SD2.0 spec is bit 7, TBD voltage
578  * Low voltage in MC 3.31 spec is bit 7, 1.65-1.95V
579  * Specs prior to  MMC 3.31 defined bits 0-7 as voltages down to 1.5V.
580  * 3.31 redefined them to be reserved and also said that cards had to
581  * support the 2.7-3.6V and fixed the OCR to be 0xfff8000 for high voltage
582  * cards.  MMC 4.0 says that a dual voltage card responds with 0xfff8080.
583  * Looks like the fine-grained control of the voltage tolerance ranges
584  * was abandoned.
585  *
586  * The MMC_OCR_CCS appears to be valid for only SD cards.
587  */
588 #define	MMC_OCR_VOLTAGE	0x3fffffffU	/* Vdd Voltage mask */
589 #define	MMC_OCR_LOW_VOLTAGE (1u << 7)	/* Low Voltage Range -- tbd */
590 #define	MMC_OCR_MIN_VOLTAGE_SHIFT	7
591 #define	MMC_OCR_200_210	(1U << 8)	/* Vdd voltage 2.00 ~ 2.10 */
592 #define	MMC_OCR_210_220	(1U << 9)	/* Vdd voltage 2.10 ~ 2.20 */
593 #define	MMC_OCR_220_230	(1U << 10)	/* Vdd voltage 2.20 ~ 2.30 */
594 #define	MMC_OCR_230_240	(1U << 11)	/* Vdd voltage 2.30 ~ 2.40 */
595 #define	MMC_OCR_240_250	(1U << 12)	/* Vdd voltage 2.40 ~ 2.50 */
596 #define	MMC_OCR_250_260	(1U << 13)	/* Vdd voltage 2.50 ~ 2.60 */
597 #define	MMC_OCR_260_270	(1U << 14)	/* Vdd voltage 2.60 ~ 2.70 */
598 #define	MMC_OCR_270_280	(1U << 15)	/* Vdd voltage 2.70 ~ 2.80 */
599 #define	MMC_OCR_280_290	(1U << 16)	/* Vdd voltage 2.80 ~ 2.90 */
600 #define	MMC_OCR_290_300	(1U << 17)	/* Vdd voltage 2.90 ~ 3.00 */
601 #define	MMC_OCR_300_310	(1U << 18)	/* Vdd voltage 3.00 ~ 3.10 */
602 #define	MMC_OCR_310_320	(1U << 19)	/* Vdd voltage 3.10 ~ 3.20 */
603 #define	MMC_OCR_320_330	(1U << 20)	/* Vdd voltage 3.20 ~ 3.30 */
604 #define	MMC_OCR_330_340	(1U << 21)	/* Vdd voltage 3.30 ~ 3.40 */
605 #define	MMC_OCR_340_350	(1U << 22)	/* Vdd voltage 3.40 ~ 3.50 */
606 #define	MMC_OCR_350_360	(1U << 23)	/* Vdd voltage 3.50 ~ 3.60 */
607 #define	MMC_OCR_MAX_VOLTAGE_SHIFT	23
608 #define	MMC_OCR_S18R	(1U << 24)	/* Switching to 1.8 V requested (SD) */
609 #define	MMC_OCR_S18A	MMC_OCR_S18R	/* Switching to 1.8 V accepted (SD) */
610 #define	MMC_OCR_XPC	(1U << 28)	/* SDXC Power Control */
611 #define	MMC_OCR_ACCESS_MODE_BYTE (0U << 29) /* Access Mode Byte (MMC) */
612 #define	MMC_OCR_ACCESS_MODE_SECT (1U << 29) /* Access Mode Sector (MMC) */
613 #define	MMC_OCR_ACCESS_MODE_MASK (3U << 29)
614 #define	MMC_OCR_CCS	(1u << 30)	/* Card Capacity status (SD vs SDHC) */
615 #define	MMC_OCR_CARD_BUSY (1U << 31)	/* Card Power up status */
616 
617 /* CSD -- decoded structure */
618 struct mmc_cid {
619 	uint32_t mid;
620 	char pnm[8];
621 	uint32_t psn;
622 	uint16_t oid;
623 	uint16_t mdt_year;
624 	uint8_t mdt_month;
625 	uint8_t prv;
626 	uint8_t fwrev;
627 };
628 
629 struct mmc_csd {
630 	uint8_t csd_structure;
631 	uint8_t spec_vers;
632 	uint16_t ccc;
633 	uint16_t tacc;
634 	uint32_t nsac;
635 	uint32_t r2w_factor;
636 	uint32_t tran_speed;
637 	uint32_t read_bl_len;
638 	uint32_t write_bl_len;
639 	uint32_t vdd_r_curr_min;
640 	uint32_t vdd_r_curr_max;
641 	uint32_t vdd_w_curr_min;
642 	uint32_t vdd_w_curr_max;
643 	uint32_t wp_grp_size;
644 	uint32_t erase_sector;
645 	uint64_t capacity;
646 	unsigned int read_bl_partial:1,
647 	    read_blk_misalign:1,
648 	    write_bl_partial:1,
649 	    write_blk_misalign:1,
650 	    dsr_imp:1,
651 	    erase_blk_en:1,
652 	    wp_grp_enable:1;
653 };
654 
655 struct mmc_scr {
656 	unsigned char		sda_vsn;
657 	unsigned char		bus_widths;
658 #define	SD_SCR_BUS_WIDTH_1	(1 << 0)
659 #define	SD_SCR_BUS_WIDTH_4	(1 << 2)
660 };
661 
662 struct mmc_sd_status {
663 	uint8_t			bus_width;
664 	uint8_t			secured_mode;
665 	uint16_t		card_type;
666 	uint16_t		prot_area;
667 	uint8_t			speed_class;
668 	uint8_t			perf_move;
669 	uint8_t			au_size;
670 	uint16_t		erase_size;
671 	uint8_t			erase_timeout;
672 	uint8_t			erase_offset;
673 };
674 
675 struct mmc_quirk {
676 	uint32_t mid;
677 #define	MMC_QUIRK_MID_ANY	((uint32_t)-1)
678 	uint16_t oid;
679 #define	MMC_QUIRK_OID_ANY	((uint16_t)-1)
680 	const char *pnm;
681 	uint32_t quirks;
682 #define	MMC_QUIRK_INAND_CMD38	0x0001
683 #define	MMC_QUIRK_BROKEN_TRIM	0x0002
684 };
685 
686 #define	MMC_QUIRKS_FMT		"\020" "\001INAND_CMD38" "\002BROKEN_TRIM"
687 
688 /*
689  * Various MMC/SD constants
690  */
691 #define	MMC_BOOT_RPMB_BLOCK_SIZE	(128 * 1024)
692 
693 #define	MMC_EXTCSD_SIZE	512
694 
695 #define	MMC_PART_GP_MAX	4
696 #define	MMC_PART_MAX	8
697 
698 #define	MMC_TUNING_MAX		64	/* Maximum tuning iterations */
699 #define	MMC_TUNING_LEN		64	/* Size of tuning data */
700 #define	MMC_TUNING_LEN_HS200	128	/* Size of tuning data in HS200 mode */
701 
702 /*
703  * Older versions of the MMC standard had a variable sector size.  However,
704  * I've been able to find no old MMC or SD cards that have a non 512
705  * byte sector size anywhere, so we assume that such cards are very rare
706  * and only note their existence in passing here...
707  */
708 #define	MMC_SECTOR_SIZE	512
709 
710 #endif /* DEV_MMCREG_H */
711