xref: /freebsd/sys/dev/mmc/mmcreg.h (revision 07da3bb5d56c85325252cd1a9ae32fb5d3536dea)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2006 M. Warner Losh <imp@FreeBSD.org>
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 
56 #ifndef DEV_MMC_MMCREG_H
57 #define	DEV_MMC_MMCREG_H
58 
59 /*
60  * This file contains the register definitions for the mmc and sd buses.
61  * They are taken from publicly available sources.
62  */
63 
64 struct mmc_data;
65 struct mmc_request;
66 
67 struct mmc_command {
68 	uint32_t	opcode;
69 	uint32_t	arg;
70 	uint32_t	resp[4];
71 	uint32_t	flags;		/* Expected responses */
72 #define	MMC_RSP_PRESENT	(1ul << 0)	/* Response */
73 #define	MMC_RSP_136	(1ul << 1)	/* 136 bit response */
74 #define	MMC_RSP_CRC	(1ul << 2)	/* Expect valid crc */
75 #define	MMC_RSP_BUSY	(1ul << 3)	/* Card may send busy */
76 #define	MMC_RSP_OPCODE	(1ul << 4)	/* Response include opcode */
77 #define	MMC_RSP_MASK	0x1ful
78 #define	MMC_CMD_AC	(0ul << 5)	/* Addressed Command, no data */
79 #define	MMC_CMD_ADTC	(1ul << 5)	/* Addressed Data transfer cmd */
80 #define	MMC_CMD_BC	(2ul << 5)	/* Broadcast command, no response */
81 #define	MMC_CMD_BCR	(3ul << 5)	/* Broadcast command with response */
82 #define	MMC_CMD_MASK	(3ul << 5)
83 #define	MMC_CMD_IS_APP  (1ul << 7)	/* Next cmd after MMC_APP_CMD */
84 
85 /* Possible response types defined in the standard: */
86 #define	MMC_RSP_NONE	(0)
87 #define	MMC_RSP_R1	(MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE)
88 #define	MMC_RSP_R1B	(MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE | MMC_RSP_BUSY)
89 #define	MMC_RSP_R2	(MMC_RSP_PRESENT | MMC_RSP_136 | MMC_RSP_CRC)
90 #define	MMC_RSP_R3	(MMC_RSP_PRESENT)
91 #define	MMC_RSP_R4	(MMC_RSP_PRESENT)
92 #define	MMC_RSP_R5	(MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE)
93 #define	MMC_RSP_R5B	(MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE | MMC_RSP_BUSY)
94 #define	MMC_RSP_R6	(MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE)
95 #define	MMC_RSP_R7	(MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE)
96 #define	MMC_RSP(x)	((x) & MMC_RSP_MASK)
97 	uint32_t	retries;
98 	uint32_t	error;
99 #define	MMC_ERR_NONE	0
100 #define	MMC_ERR_TIMEOUT	1
101 #define	MMC_ERR_BADCRC	2
102 #define	MMC_ERR_FIFO	3
103 #define	MMC_ERR_FAILED	4
104 #define	MMC_ERR_INVALID	5
105 #define	MMC_ERR_NO_MEMORY 6
106 #define	MMC_ERR_MAX	6
107 	struct mmc_data	*data;		/* Data segment with cmd */
108 	struct mmc_request *mrq;	/* backpointer to request */
109 };
110 
111 /*
112  * R1 responses
113  *
114  * Types (per SD 2.0 standard)
115  *	e : error bit
116  *	s : status bit
117  *	r : detected and set for the actual command response
118  *	x : Detected and set during command execution.  The host can get
119  *	    the status by issuing a command with R1 response.
120  *
121  * Clear Condition (per SD 2.0 standard)
122  *	a : according to the card current state.
123  *	b : always related to the previous command.  reception of a valid
124  *	    command will clear it (with a delay of one command).
125  *	c : clear by read
126  */
127 #define	R1_OUT_OF_RANGE (1u << 31)		/* erx, c */
128 #define	R1_ADDRESS_ERROR (1u << 30)		/* erx, c */
129 #define	R1_BLOCK_LEN_ERROR (1u << 29)		/* erx, c */
130 #define	R1_ERASE_SEQ_ERROR (1u << 28)		/* er, c */
131 #define	R1_ERASE_PARAM (1u << 27)		/* erx, c */
132 #define	R1_WP_VIOLATION (1u << 26)		/* erx, c */
133 #define	R1_CARD_IS_LOCKED (1u << 25)		/* sx, a */
134 #define	R1_LOCK_UNLOCK_FAILED (1u << 24)	/* erx, c */
135 #define	R1_COM_CRC_ERROR (1u << 23)		/* er, b */
136 #define	R1_ILLEGAL_COMMAND (1u << 22)		/* er, b */
137 #define	R1_CARD_ECC_FAILED (1u << 21)		/* erx, c */
138 #define	R1_CC_ERROR (1u << 20)			/* erx, c */
139 #define	R1_ERROR (1u << 19)			/* erx, c */
140 #define	R1_CSD_OVERWRITE (1u << 16)		/* erx, c */
141 #define	R1_WP_ERASE_SKIP (1u << 15)		/* erx, c */
142 #define	R1_CARD_ECC_DISABLED (1u << 14)		/* sx, a */
143 #define	R1_ERASE_RESET (1u << 13)		/* sr, c */
144 #define	R1_CURRENT_STATE_MASK (0xfu << 9)	/* sx, b */
145 #define	R1_READY_FOR_DATA (1u << 8)		/* sx, a */
146 #define	R1_SWITCH_ERROR (1u << 7)		/* sx, c */
147 #define	R1_APP_CMD (1u << 5)			/* sr, c */
148 #define	R1_AKE_SEQ_ERROR (1u << 3)		/* er, c */
149 #define	R1_STATUS(x)		((x) & 0xFFFFE000)
150 #define	R1_CURRENT_STATE(x)	(((x) & R1_CURRENT_STATE_MASK) >> 9)
151 #define	R1_STATE_IDLE	0
152 #define	R1_STATE_READY	1
153 #define	R1_STATE_IDENT	2
154 #define	R1_STATE_STBY	3
155 #define	R1_STATE_TRAN	4
156 #define	R1_STATE_DATA	5
157 #define	R1_STATE_RCV	6
158 #define	R1_STATE_PRG	7
159 #define	R1_STATE_DIS	8
160 
161 /* R4 responses (SDIO) */
162 #define	R4_IO_NUM_FUNCTIONS(ocr)	(((ocr) >> 28) & 0x3)
163 #define	R4_IO_MEM_PRESENT		(0x1 << 27)
164 #define	R4_IO_OCR_MASK			0x00fffff0
165 
166 /*
167  * R5 responses
168  *
169  * Types (per SD 2.0 standard)
170  *	e : error bit
171  *	s : status bit
172  *	r : detected and set for the actual command response
173  *	x : Detected and set during command execution.  The host can get
174  *	    the status by issuing a command with R1 response.
175  *
176  * Clear Condition (per SD 2.0 standard)
177  *	a : according to the card current state.
178  *	b : always related to the previous command.  reception of a valid
179  *	    command will clear it (with a delay of one command).
180  *	c : clear by read
181  */
182 #define	R5_COM_CRC_ERROR		(1u << 15)	/* er, b */
183 #define	R5_ILLEGAL_COMMAND		(1u << 14)	/* er, b */
184 #define	R5_IO_CURRENT_STATE_MASK	(3u << 12)	/* s, b */
185 #define	R5_IO_CURRENT_STATE(x)		(((x) & R5_IO_CURRENT_STATE_MASK) >> 12)
186 #define	R5_ERROR			(1u << 11)	/* erx, c */
187 #define	R5_FUNCTION_NUMBER		(1u << 9)	/* er, c */
188 #define	R5_OUT_OF_RANGE			(1u << 8)	/* er, c */
189 
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 #define MMC_DATA_BLOCK_SIZE (1UL << 4)
200 	struct mmc_request *mrq;
201 	size_t block_size;      /* block size for CMD53 */
202 	size_t block_count;     /* block count for CMD53 */
203 };
204 
205 struct mmc_request {
206 	struct mmc_command *cmd;
207 	struct mmc_command *stop;
208 	void (*done)(struct mmc_request *); /* Completion function */
209 	void *done_data;		/* requestor set data */
210 	uint32_t flags;
211 #define	MMC_REQ_DONE	1
212 #define	MMC_TUNE_DONE	2
213 };
214 
215 /* Command definitions */
216 
217 /* Class 0 and 1: Basic commands & read stream commands */
218 #define	MMC_GO_IDLE_STATE	0
219 #define	MMC_SEND_OP_COND	1
220 #define	MMC_ALL_SEND_CID	2
221 #define	MMC_SET_RELATIVE_ADDR	3
222 #define	SD_SEND_RELATIVE_ADDR	3
223 #define	MMC_SET_DSR		4
224 #define	MMC_SLEEP_AWAKE		5
225 #define	IO_SEND_OP_COND		5
226 #define	MMC_SWITCH_FUNC		6
227 #define	 MMC_SWITCH_FUNC_CMDS	 0
228 #define	 MMC_SWITCH_FUNC_SET	 1
229 #define	 MMC_SWITCH_FUNC_CLR	 2
230 #define	 MMC_SWITCH_FUNC_WR	 3
231 #define	MMC_SELECT_CARD		7
232 #define	MMC_DESELECT_CARD	7
233 #define	MMC_SEND_EXT_CSD	8
234 #define	SD_SEND_IF_COND		8
235 #define	MMC_SEND_CSD		9
236 #define	MMC_SEND_CID		10
237 #define	MMC_READ_DAT_UNTIL_STOP	11
238 #define	MMC_STOP_TRANSMISSION	12
239 #define	MMC_SEND_STATUS		13
240 #define	MMC_BUSTEST_R		14
241 #define	MMC_GO_INACTIVE_STATE	15
242 #define	MMC_BUSTEST_W		19
243 
244 /* Class 2: Block oriented read commands */
245 #define	MMC_SET_BLOCKLEN	16
246 #define	MMC_READ_SINGLE_BLOCK	17
247 #define	MMC_READ_MULTIPLE_BLOCK	18
248 #define	MMC_SEND_TUNING_BLOCK	19
249 #define	MMC_SEND_TUNING_BLOCK_HS200 21
250 
251 /* Class 3: Stream write commands */
252 #define	MMC_WRITE_DAT_UNTIL_STOP 20
253 			/* reserved: 22 */
254 
255 /* Class 4: Block oriented write commands */
256 #define	MMC_SET_BLOCK_COUNT	23
257 #define	MMC_WRITE_BLOCK		24
258 #define	MMC_WRITE_MULTIPLE_BLOCK 25
259 #define	MMC_PROGARM_CID		26
260 #define	MMC_PROGRAM_CSD		27
261 
262 /* Class 6: Block oriented write protection commands */
263 #define	MMC_SET_WRITE_PROT	28
264 #define	MMC_CLR_WRITE_PROT	29
265 #define	MMC_SEND_WRITE_PROT	30
266 			/* reserved: 31 */
267 
268 /* Class 5: Erase commands */
269 #define	SD_ERASE_WR_BLK_START	32
270 #define	SD_ERASE_WR_BLK_END	33
271 			/* 34 -- reserved old command */
272 #define	MMC_ERASE_GROUP_START	35
273 #define	MMC_ERASE_GROUP_END	36
274 			/* 37 -- reserved old command */
275 #define	MMC_ERASE		38
276 #define	 MMC_ERASE_ERASE	0x00000000
277 #define	 MMC_ERASE_TRIM		0x00000001
278 #define	 MMC_ERASE_FULE		0x00000002
279 #define	 MMC_ERASE_DISCARD	0x00000003
280 #define	 MMC_ERASE_SECURE_ERASE	0x80000000
281 #define	 MMC_ERASE_SECURE_TRIM1	0x80000001
282 #define	 MMC_ERASE_SECURE_TRIM2	0x80008000
283 
284 /* Class 9: I/O mode commands */
285 #define	MMC_FAST_IO		39
286 #define	MMC_GO_IRQ_STATE	40
287 			/* reserved: 41 */
288 
289 /* Class 7: Lock card */
290 #define	MMC_LOCK_UNLOCK		42
291 			/* reserved: 43 */
292 			/* reserved: 44 */
293 			/* reserved: 45 */
294 			/* reserved: 46 */
295 			/* reserved: 47 */
296 			/* reserved: 48 */
297 			/* reserved: 49 */
298 			/* reserved: 50 */
299 			/* reserved: 51 */
300 			/* reserved: 54 */
301 
302 /* Class 8: Application specific commands */
303 #define	MMC_APP_CMD		55
304 #define	MMC_GEN_CMD		56
305 			/* reserved: 57 */
306 			/* reserved: 58 */
307 			/* reserved: 59 */
308 			/* reserved for mfg: 60 */
309 			/* reserved for mfg: 61 */
310 			/* reserved for mfg: 62 */
311 			/* reserved for mfg: 63 */
312 
313 /* Class 9: I/O cards (sd) */
314 #define	SD_IO_RW_DIRECT		52
315 /* CMD52 arguments */
316 #define	 SD_ARG_CMD52_READ		(0 << 31)
317 #define	 SD_ARG_CMD52_WRITE		(1 << 31)
318 #define	 SD_ARG_CMD52_FUNC_SHIFT	28
319 #define	 SD_ARG_CMD52_FUNC_MASK		0x7
320 #define	 SD_ARG_CMD52_EXCHANGE		(1 << 27)
321 #define	 SD_ARG_CMD52_REG_SHIFT		9
322 #define	 SD_ARG_CMD52_REG_MASK		0x1ffff
323 #define	 SD_ARG_CMD52_DATA_SHIFT	0
324 #define	 SD_ARG_CMD52_DATA_MASK		0xff
325 #define	 SD_R5_DATA(resp)		((resp)[0] & 0xff)
326 
327 #define	SD_IO_RW_EXTENDED	53
328 /* CMD53 arguments */
329 #define	 SD_ARG_CMD53_READ		(0 << 31)
330 #define	 SD_ARG_CMD53_WRITE		(1 << 31)
331 #define	 SD_ARG_CMD53_FUNC_SHIFT	28
332 #define	 SD_ARG_CMD53_FUNC_MASK		0x7
333 #define	 SD_ARG_CMD53_BLOCK_MODE	(1 << 27)
334 #define	 SD_ARG_CMD53_INCREMENT		(1 << 26)
335 #define	 SD_ARG_CMD53_REG_SHIFT		9
336 #define	 SD_ARG_CMD53_REG_MASK		0x1ffff
337 #define	 SD_ARG_CMD53_LENGTH_SHIFT	0
338 #define	 SD_ARG_CMD53_LENGTH_MASK	0x1ff
339 #define	 SD_ARG_CMD53_LENGTH_MAX	64	/* XXX should be 511? */
340 
341 /* Class 10: Switch function commands */
342 #define	SD_SWITCH_FUNC		6
343 			/* reserved: 34 */
344 			/* reserved: 35 */
345 			/* reserved: 36 */
346 			/* reserved: 37 */
347 			/* reserved: 50 */
348 			/* reserved: 57 */
349 
350 /* Application specific commands for SD */
351 #define	ACMD_SET_BUS_WIDTH	6
352 #define	ACMD_SD_STATUS		13
353 #define	ACMD_SEND_NUM_WR_BLOCKS	22
354 #define	ACMD_SET_WR_BLK_ERASE_COUNT 23
355 #define	ACMD_SD_SEND_OP_COND	41
356 #define	ACMD_SET_CLR_CARD_DETECT 42
357 #define	ACMD_SEND_SCR		51
358 
359 /*
360  * EXT_CSD fields
361  */
362 #define	EXT_CSD_FLUSH_CACHE	32	/* W/E */
363 #define	EXT_CSD_CACHE_CTRL	33	/* R/W/E */
364 #define	EXT_CSD_EXT_PART_ATTR	52	/* R/W, 2 bytes */
365 #define	EXT_CSD_ENH_START_ADDR	136	/* R/W, 4 bytes */
366 #define	EXT_CSD_ENH_SIZE_MULT	140	/* R/W, 3 bytes */
367 #define	EXT_CSD_GP_SIZE_MULT	143	/* R/W, 12 bytes */
368 #define	EXT_CSD_PART_SET	155	/* R/W */
369 #define	EXT_CSD_PART_ATTR	156	/* R/W */
370 #define	EXT_CSD_PART_SUPPORT	160	/* RO */
371 #define	EXT_CSD_RPMB_MULT	168	/* RO */
372 #define	EXT_CSD_BOOT_WP_STATUS	174	/* RO */
373 #define	EXT_CSD_ERASE_GRP_DEF	175	/* R/W */
374 #define	EXT_CSD_PART_CONFIG	179	/* R/W */
375 #define	EXT_CSD_BUS_WIDTH	183	/* R/W */
376 #define	EXT_CSD_STROBE_SUPPORT	184	/* RO */
377 #define	EXT_CSD_HS_TIMING	185	/* R/W */
378 #define	EXT_CSD_POWER_CLASS	187	/* R/W */
379 #define	EXT_CSD_CARD_TYPE	196	/* RO */
380 #define	EXT_CSD_DRIVER_STRENGTH	197	/* RO */
381 #define	EXT_CSD_REV		192	/* RO */
382 #define	EXT_CSD_PART_SWITCH_TO	199	/* RO */
383 #define	EXT_CSD_PWR_CL_52_195	200	/* RO */
384 #define	EXT_CSD_PWR_CL_26_195	201	/* RO */
385 #define	EXT_CSD_PWR_CL_52_360	202	/* RO */
386 #define	EXT_CSD_PWR_CL_26_360	203	/* RO */
387 #define	EXT_CSD_SEC_CNT		212	/* RO, 4 bytes */
388 #define	EXT_CSD_HC_WP_GRP_SIZE	221	/* RO */
389 #define	EXT_CSD_ERASE_TO_MULT	223	/* RO */
390 #define	EXT_CSD_ERASE_GRP_SIZE	224	/* RO */
391 #define	EXT_CSD_BOOT_SIZE_MULT	226	/* RO */
392 #define	EXT_CSD_SEC_FEATURE_SUPPORT 231	/* RO */
393 #define	EXT_CSD_PWR_CL_200_195	236	/* RO */
394 #define	EXT_CSD_PWR_CL_200_360	237	/* RO */
395 #define	EXT_CSD_PWR_CL_52_195_DDR 238	/* RO */
396 #define	EXT_CSD_PWR_CL_52_360_DDR 239	/* RO */
397 #define	EXT_CSD_CACHE_FLUSH_POLICY 249	/* RO */
398 #define	EXT_CSD_GEN_CMD6_TIME	248	/* RO */
399 #define	EXT_CSD_CACHE_SIZE	249	/* RO, 4 bytes */
400 #define	EXT_CSD_PWR_CL_200_360_DDR 253	/* RO */
401 
402 /*
403  * EXT_CSD field definitions
404  */
405 #define	EXT_CSD_FLUSH_CACHE_FLUSH	0x01
406 #define	EXT_CSD_FLUSH_CACHE_BARRIER	0x02
407 
408 #define	EXT_CSD_CACHE_CTRL_CACHE_EN	0x01
409 
410 #define	EXT_CSD_EXT_PART_ATTR_DEFAULT		0x0
411 #define	EXT_CSD_EXT_PART_ATTR_SYSTEMCODE	0x1
412 #define	EXT_CSD_EXT_PART_ATTR_NPERSISTENT	0x2
413 
414 #define	EXT_CSD_PART_SET_COMPLETED		0x01
415 
416 #define	EXT_CSD_PART_ATTR_ENH_USR		0x01
417 #define	EXT_CSD_PART_ATTR_ENH_GP0		0x02
418 #define	EXT_CSD_PART_ATTR_ENH_GP1		0x04
419 #define	EXT_CSD_PART_ATTR_ENH_GP2		0x08
420 #define	EXT_CSD_PART_ATTR_ENH_GP3		0x10
421 #define	EXT_CSD_PART_ATTR_ENH_MASK		0x1f
422 
423 #define	EXT_CSD_PART_SUPPORT_EN			0x01
424 #define	EXT_CSD_PART_SUPPORT_ENH_ATTR_EN	0x02
425 #define	EXT_CSD_PART_SUPPORT_EXT_ATTR_EN	0x04
426 
427 #define	EXT_CSD_BOOT_WP_STATUS_BOOT0_PWR	0x01
428 #define	EXT_CSD_BOOT_WP_STATUS_BOOT0_PERM	0x02
429 #define	EXT_CSD_BOOT_WP_STATUS_BOOT0_MASK	0x03
430 #define	EXT_CSD_BOOT_WP_STATUS_BOOT1_PWR	0x04
431 #define	EXT_CSD_BOOT_WP_STATUS_BOOT1_PERM	0x08
432 #define	EXT_CSD_BOOT_WP_STATUS_BOOT1_MASK	0x0c
433 
434 #define	EXT_CSD_ERASE_GRP_DEF_EN	0x01
435 
436 #define	EXT_CSD_PART_CONFIG_ACC_DEFAULT	0x00
437 #define	EXT_CSD_PART_CONFIG_ACC_BOOT0	0x01
438 #define	EXT_CSD_PART_CONFIG_ACC_BOOT1	0x02
439 #define	EXT_CSD_PART_CONFIG_ACC_RPMB	0x03
440 #define	EXT_CSD_PART_CONFIG_ACC_GP0	0x04
441 #define	EXT_CSD_PART_CONFIG_ACC_GP1	0x05
442 #define	EXT_CSD_PART_CONFIG_ACC_GP2	0x06
443 #define	EXT_CSD_PART_CONFIG_ACC_GP3	0x07
444 #define	EXT_CSD_PART_CONFIG_ACC_MASK	0x07
445 #define	EXT_CSD_PART_CONFIG_BOOT0	0x08
446 #define	EXT_CSD_PART_CONFIG_BOOT1	0x10
447 #define	EXT_CSD_PART_CONFIG_BOOT_USR	0x38
448 #define	EXT_CSD_PART_CONFIG_BOOT_MASK	0x38
449 #define	EXT_CSD_PART_CONFIG_BOOT_ACK	0x40
450 
451 #define	EXT_CSD_CMD_SET_NORMAL		1
452 #define	EXT_CSD_CMD_SET_SECURE		2
453 #define	EXT_CSD_CMD_SET_CPSECURE	4
454 
455 #define	EXT_CSD_HS_TIMING_BC		0
456 #define	EXT_CSD_HS_TIMING_HS		1
457 #define	EXT_CSD_HS_TIMING_HS200		2
458 #define	EXT_CSD_HS_TIMING_HS400		3
459 #define	EXT_CSD_HS_TIMING_DRV_STR_SHIFT	4
460 
461 #define	EXT_CSD_POWER_CLASS_8BIT_MASK	0xf0
462 #define	EXT_CSD_POWER_CLASS_8BIT_SHIFT	4
463 #define	EXT_CSD_POWER_CLASS_4BIT_MASK	0x0f
464 #define	EXT_CSD_POWER_CLASS_4BIT_SHIFT	0
465 
466 #define	EXT_CSD_CARD_TYPE_HS_26		0x0001
467 #define	EXT_CSD_CARD_TYPE_HS_52		0x0002
468 #define	EXT_CSD_CARD_TYPE_DDR_52_1_8V	0x0004
469 #define	EXT_CSD_CARD_TYPE_DDR_52_1_2V	0x0008
470 #define	EXT_CSD_CARD_TYPE_HS200_1_8V	0x0010
471 #define	EXT_CSD_CARD_TYPE_HS200_1_2V	0x0020
472 #define	EXT_CSD_CARD_TYPE_HS400_1_8V	0x0040
473 #define	EXT_CSD_CARD_TYPE_HS400_1_2V	0x0080
474 
475 #define	EXT_CSD_BUS_WIDTH_1	0
476 #define	EXT_CSD_BUS_WIDTH_4	1
477 #define	EXT_CSD_BUS_WIDTH_8	2
478 #define	EXT_CSD_BUS_WIDTH_4_DDR	5
479 #define	EXT_CSD_BUS_WIDTH_8_DDR	6
480 #define	EXT_CSD_BUS_WIDTH_ES	0x80
481 
482 #define	EXT_CSD_STROBE_SUPPORT_EN	0x01
483 
484 #define	EXT_CSD_SEC_FEATURE_SUPPORT_ER_EN	0x01
485 #define	EXT_CSD_SEC_FEATURE_SUPPORT_BD_BLK_EN	0x04
486 #define	EXT_CSD_SEC_FEATURE_SUPPORT_GB_CL_EN	0x10
487 #define	EXT_CSD_SEC_FEATURE_SUPPORT_SANITIZE	0x40
488 
489 #define	EXT_CSD_CACHE_FLUSH_POLICY_FIFO	0x01
490 
491 /*
492  * Vendor specific EXT_CSD fields
493  */
494 /* SanDisk iNAND */
495 #define	EXT_CSD_INAND_CMD38			113
496 #define	 EXT_CSD_INAND_CMD38_ERASE		0x00
497 #define	 EXT_CSD_INAND_CMD38_TRIM		0x01
498 #define	 EXT_CSD_INAND_CMD38_SECURE_ERASE	0x80
499 #define	 EXT_CSD_INAND_CMD38_SECURE_TRIM1	0x81
500 #define	 EXT_CSD_INAND_CMD38_SECURE_TRIM2	0x82
501 
502 #define	MMC_TYPE_HS_26_MAX		26000000
503 #define	MMC_TYPE_HS_52_MAX		52000000
504 #define	MMC_TYPE_DDR52_MAX		52000000
505 #define	MMC_TYPE_HS200_HS400ES_MAX	200000000
506 
507 /*
508  * SD bus widths
509  */
510 #define	SD_BUS_WIDTH_1		0
511 #define	SD_BUS_WIDTH_4		2
512 
513 /*
514  * SD Switch
515  */
516 #define	SD_SWITCH_MODE_CHECK	0
517 #define	SD_SWITCH_MODE_SET	1
518 #define	SD_SWITCH_GROUP1	0
519 #define	SD_SWITCH_NORMAL_MODE	0
520 #define	SD_SWITCH_HS_MODE	1
521 #define	SD_SWITCH_SDR50_MODE	2
522 #define	SD_SWITCH_SDR104_MODE	3
523 #define	SD_SWITCH_DDR50		4
524 #define	SD_SWITCH_NOCHANGE	0xF
525 
526 #define	SD_CLR_CARD_DETECT	0
527 #define	SD_SET_CARD_DETECT	1
528 
529 #define	SD_HS_MAX		50000000
530 #define	SD_DDR50_MAX		50000000
531 #define	SD_SDR12_MAX		25000000
532 #define	SD_SDR25_MAX		50000000
533 #define	SD_SDR50_MAX		100000000
534 #define	SD_SDR104_MAX		208000000
535 
536 /* Specifications require 400 kHz max. during ID phase. */
537 #define	SD_MMC_CARD_ID_FREQUENCY	400000
538 
539 /*
540  * SDIO Direct & Extended I/O
541  */
542 #define	SD_IO_RW_WR		(1u << 31)
543 #define	SD_IO_RW_FUNC(x)	(((x) & 0x7) << 28)
544 #define	SD_IO_RW_RAW		(1u << 27)
545 #define	SD_IO_RW_INCR		(1u << 26)
546 #define	SD_IO_RW_ADR(x)		(((x) & 0x1FFFF) << 9)
547 #define	SD_IO_RW_DAT(x)		(((x) & 0xFF) << 0)
548 #define	SD_IO_RW_LEN(x)		(((x) & 0xFF) << 0)
549 
550 #define	SD_IOE_RW_LEN(x)	(((x) & 0x1FF) << 0)
551 #define	SD_IOE_RW_ADR(x)	(((x) & 0x1FFFF) << 9)
552 #define	SD_IOE_RW_INCR		(1u << 26)
553 #define	SD_IOE_RW_BLK		(1u << 27)
554 #define	SD_IOE_RW_FUNC(x)	(((x) & 0x7) << 28)
555 #define	SD_IOE_RW_WR		(1u << 31)
556 
557 /* Card Common Control Registers (CCCR) */
558 #define	SD_IO_CCCR_START		0x00000	/* Offset in F0 address space */
559 #define	SD_IO_CCCR_SIZE			0x100	/* Total size of CCCR */
560 #define	SD_IO_CCCR_FN_ENABLE		0x02	/* Enabled functions */
561 #define	SD_IO_CCCR_FN_READY		0x03	/* Function ready status */
562 #define	SD_IO_CCCR_INT_ENABLE		0x04	/* Per-function interrupt enable */
563 #define	SD_IO_CCCR_INT_PENDING		0x05	/* Per-function interrupt pending */
564 #define	SD_IO_CCCR_CTL			0x06	/* I/O Abort register */
565 #define	 CCCR_CTL_RES			(1 << 3) /* Perform SDIO reset */
566 #define	SD_IO_CCCR_BUS_WIDTH		0x07	/* Bus Width register */
567 #define	 CCCR_BUS_WIDTH_4		(1 << 1)
568 #define	 CCCR_BUS_WIDTH_1		(1 << 0)
569 #define	SD_IO_CCCR_CARDCAP		0x08	/* SDIO card capabilities */
570 #define	 CCCR_CC_SMB			(1 << 1) /* CMD53 block mode support */
571 #define	 CCCR_CC_LSC			(1 << 6)
572 
573 #define	SD_IO_CCCR_CISPTR		0x09    /* 0x09 - 0x0B */
574 #define SD_IO_CCCR_FN0_BLKSZ            0x10    /* 0x10 - 0x11 */
575 #define	SD_IO_CCCR_SPEED		0x13
576 #define	 CCCR_SPEED_SHS			(1 << 0)
577 #define	 CCCR_SPEED_BSS_MASK		(0x7 << 1)
578 #define	 CCCR_SPEED_EHS			(1 << 1)
579 #define	 CCCR_SPEED_SDR12		(0 << 1)
580 #define	 CCCR_SPEED_SDR25		(1 << 1)
581 #define	 CCCR_SPEED_SDR50		(2 << 1)
582 #define	 CCCR_SPEED_SDR104		(3 << 1)
583 #define	 CCCR_SPEED_DDR50		(4 << 1)
584 
585 /* Function Basic Registers (FBR) */
586 #define	SD_IO_FBR_START			0x00100 /* Offset in F0 address space */
587 #define	SD_IO_FBR_SIZE			0x00700 /* Total size of FBR */
588 #define SD_IO_FBR_F_SIZE	       	0x00100 /* Size of each function */
589 #define SD_IO_FBR_START_F(n)            (SD_IO_FBR_START + (n-1) * SD_IO_FBR_F_SIZE)
590 #define SD_IO_FBR_CIS_OFFSET            0x9  /* Offset of this function's info block within CIS area */
591 #define SD_IO_FBR_IOBLKSZ               0x10 /* Block size for CMD53 block mode operations */
592 
593 /* Card Information Structure (CIS) */
594 #define	SD_IO_CIS_START			0x01000 /* Offset in F0 address space */
595 #define	SD_IO_CIS_SIZE			0x17000 /* Total size of CIS */
596 
597 /* CIS tuple codes (based on PC Card 16) */
598 #define	SD_IO_CISTPL_VERS_1		0x15
599 #define	SD_IO_CISTPL_MANFID		0x20
600 #define	SD_IO_CISTPL_FUNCID		0x21
601 #define	SD_IO_CISTPL_FUNCE		0x22
602 #define	SD_IO_CISTPL_END		0xff
603 
604 /* CISTPL_FUNCID codes */
605 /* OpenBSD incorrectly defines 0x0c as FUNCTION_WLAN */
606 /* #define	SDMMC_FUNCTION_WLAN		0x0c */
607 
608 /* OCR bits */
609 
610 /*
611  * in SD 2.0 spec, bits 8-14 are now marked reserved
612  * Low voltage in SD2.0 spec is bit 7, TBD voltage
613  * Low voltage in MC 3.31 spec is bit 7, 1.65-1.95V
614  * Specs prior to  MMC 3.31 defined bits 0-7 as voltages down to 1.5V.
615  * 3.31 redefined them to be reserved and also said that cards had to
616  * support the 2.7-3.6V and fixed the OCR to be 0xfff8000 for high voltage
617  * cards.  MMC 4.0 says that a dual voltage card responds with 0xfff8080.
618  * Looks like the fine-grained control of the voltage tolerance ranges
619  * was abandoned.
620  *
621  * The MMC_OCR_CCS appears to be valid for only SD cards.
622  */
623 #define	MMC_OCR_VOLTAGE	0x3fffffffU	/* Vdd Voltage mask */
624 #define	MMC_OCR_LOW_VOLTAGE (1u << 7)	/* Low Voltage Range -- tbd */
625 #define	MMC_OCR_MIN_VOLTAGE_SHIFT	7
626 #define	MMC_OCR_200_210	(1U << 8)	/* Vdd voltage 2.00 ~ 2.10 */
627 #define	MMC_OCR_210_220	(1U << 9)	/* Vdd voltage 2.10 ~ 2.20 */
628 #define	MMC_OCR_220_230	(1U << 10)	/* Vdd voltage 2.20 ~ 2.30 */
629 #define	MMC_OCR_230_240	(1U << 11)	/* Vdd voltage 2.30 ~ 2.40 */
630 #define	MMC_OCR_240_250	(1U << 12)	/* Vdd voltage 2.40 ~ 2.50 */
631 #define	MMC_OCR_250_260	(1U << 13)	/* Vdd voltage 2.50 ~ 2.60 */
632 #define	MMC_OCR_260_270	(1U << 14)	/* Vdd voltage 2.60 ~ 2.70 */
633 #define	MMC_OCR_270_280	(1U << 15)	/* Vdd voltage 2.70 ~ 2.80 */
634 #define	MMC_OCR_280_290	(1U << 16)	/* Vdd voltage 2.80 ~ 2.90 */
635 #define	MMC_OCR_290_300	(1U << 17)	/* Vdd voltage 2.90 ~ 3.00 */
636 #define	MMC_OCR_300_310	(1U << 18)	/* Vdd voltage 3.00 ~ 3.10 */
637 #define	MMC_OCR_310_320	(1U << 19)	/* Vdd voltage 3.10 ~ 3.20 */
638 #define	MMC_OCR_320_330	(1U << 20)	/* Vdd voltage 3.20 ~ 3.30 */
639 #define	MMC_OCR_330_340	(1U << 21)	/* Vdd voltage 3.30 ~ 3.40 */
640 #define	MMC_OCR_340_350	(1U << 22)	/* Vdd voltage 3.40 ~ 3.50 */
641 #define	MMC_OCR_350_360	(1U << 23)	/* Vdd voltage 3.50 ~ 3.60 */
642 #define	MMC_OCR_MAX_VOLTAGE_SHIFT	23
643 #define	MMC_OCR_S18R	(1U << 24)	/* Switching to 1.8 V requested (SD) */
644 #define	MMC_OCR_S18A	MMC_OCR_S18R	/* Switching to 1.8 V accepted (SD) */
645 #define	MMC_OCR_XPC	(1U << 28)	/* SDXC Power Control */
646 #define	MMC_OCR_ACCESS_MODE_BYTE (0U << 29) /* Access Mode Byte (MMC) */
647 #define	MMC_OCR_ACCESS_MODE_SECT (1U << 29) /* Access Mode Sector (MMC) */
648 #define	MMC_OCR_ACCESS_MODE_MASK (3U << 29)
649 #define	MMC_OCR_CCS	(1u << 30)	/* Card Capacity status (SD vs SDHC) */
650 #define	MMC_OCR_CARD_BUSY (1U << 31)	/* Card Power up status */
651 
652 /* CSD -- decoded structure */
653 struct mmc_cid {
654 	uint32_t mid;
655 	char pnm[8];
656 	uint32_t psn;
657 	uint16_t oid;
658 	uint16_t mdt_year;
659 	uint8_t mdt_month;
660 	uint8_t prv;
661 	uint8_t fwrev;
662 };
663 
664 struct mmc_csd {
665 	uint8_t csd_structure;
666 	uint8_t spec_vers;
667 	uint16_t ccc;
668 	uint16_t tacc;
669 	uint32_t nsac;
670 	uint32_t r2w_factor;
671 	uint32_t tran_speed;
672 	uint32_t read_bl_len;
673 	uint32_t write_bl_len;
674 	uint32_t vdd_r_curr_min;
675 	uint32_t vdd_r_curr_max;
676 	uint32_t vdd_w_curr_min;
677 	uint32_t vdd_w_curr_max;
678 	uint32_t wp_grp_size;
679 	uint32_t erase_sector;
680 	uint64_t capacity;
681 	unsigned int read_bl_partial:1,
682 	    read_blk_misalign:1,
683 	    write_bl_partial:1,
684 	    write_blk_misalign:1,
685 	    dsr_imp:1,
686 	    erase_blk_en:1,
687 	    wp_grp_enable:1;
688 };
689 
690 struct mmc_scr {
691 	unsigned char		sda_vsn;
692 	unsigned char		bus_widths;
693 #define	SD_SCR_BUS_WIDTH_1	(1 << 0)
694 #define	SD_SCR_BUS_WIDTH_4	(1 << 2)
695 };
696 
697 struct mmc_sd_status {
698 	uint8_t			bus_width;
699 	uint8_t			secured_mode;
700 	uint16_t		card_type;
701 	uint16_t		prot_area;
702 	uint8_t			speed_class;
703 	uint8_t			perf_move;
704 	uint8_t			au_size;
705 	uint16_t		erase_size;
706 	uint8_t			erase_timeout;
707 	uint8_t			erase_offset;
708 };
709 
710 struct mmc_quirk {
711 	uint32_t mid;
712 #define	MMC_QUIRK_MID_ANY	((uint32_t)-1)
713 	uint16_t oid;
714 #define	MMC_QUIRK_OID_ANY	((uint16_t)-1)
715 	const char *pnm;
716 	uint32_t quirks;
717 #define	MMC_QUIRK_INAND_CMD38	0x0001
718 #define	MMC_QUIRK_BROKEN_TRIM	0x0002
719 };
720 
721 #define	MMC_QUIRKS_FMT		"\020" "\001INAND_CMD38" "\002BROKEN_TRIM"
722 
723 /*
724  * Various MMC/SD constants
725  */
726 #define	MMC_BOOT_RPMB_BLOCK_SIZE	(128 * 1024)
727 
728 #define	MMC_EXTCSD_SIZE	512
729 
730 #define	MMC_PART_GP_MAX	4
731 #define	MMC_PART_MAX	8
732 
733 #define	MMC_TUNING_MAX		64	/* Maximum tuning iterations */
734 #define	MMC_TUNING_LEN		64	/* Size of tuning data */
735 #define	MMC_TUNING_LEN_HS200	128	/* Size of tuning data in HS200 mode */
736 
737 /*
738  * Older versions of the MMC standard had a variable sector size.  However,
739  * I've been able to find no old MMC or SD cards that have a non 512
740  * byte sector size anywhere, so we assume that such cards are very rare
741  * and only note their existence in passing here...
742  */
743 #define	MMC_SECTOR_SIZE	512
744 
745 #endif /* DEV_MMCREG_H */
746