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
66struct mmc_data;
67struct mmc_request;
68
69struct 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 responses (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
191struct mmc_data {
192	size_t len;		/* size of the data */
193	size_t xfer_len;
194	void *data;		/* data buffer */
195	uint32_t	flags;
196#define	MMC_DATA_WRITE	(1UL << 0)
197#define	MMC_DATA_READ	(1UL << 1)
198#define	MMC_DATA_STREAM	(1UL << 2)
199#define	MMC_DATA_MULTI	(1UL << 3)
200	struct mmc_request *mrq;
201};
202
203struct mmc_request {
204	struct mmc_command *cmd;
205	struct mmc_command *stop;
206	void (*done)(struct mmc_request *); /* Completion function */
207	void *done_data;		/* requestor set data */
208	uint32_t flags;
209#define	MMC_REQ_DONE	1
210#define	MMC_TUNE_DONE	2
211};
212
213/* Command definitions */
214
215/* Class 0 and 1: Basic commands & read stream commands */
216#define	MMC_GO_IDLE_STATE	0
217#define	MMC_SEND_OP_COND	1
218#define	MMC_ALL_SEND_CID	2
219#define	MMC_SET_RELATIVE_ADDR	3
220#define	SD_SEND_RELATIVE_ADDR	3
221#define	MMC_SET_DSR		4
222#define	MMC_SLEEP_AWAKE		5
223#define	IO_SEND_OP_COND		5
224#define	MMC_SWITCH_FUNC		6
225#define	 MMC_SWITCH_FUNC_CMDS	 0
226#define	 MMC_SWITCH_FUNC_SET	 1
227#define	 MMC_SWITCH_FUNC_CLR	 2
228#define	 MMC_SWITCH_FUNC_WR	 3
229#define	MMC_SELECT_CARD		7
230#define	MMC_DESELECT_CARD	7
231#define	MMC_SEND_EXT_CSD	8
232#define	SD_SEND_IF_COND		8
233#define	MMC_SEND_CSD		9
234#define	MMC_SEND_CID		10
235#define	MMC_READ_DAT_UNTIL_STOP	11
236#define	MMC_STOP_TRANSMISSION	12
237#define	MMC_SEND_STATUS		13
238#define	MMC_BUSTEST_R		14
239#define	MMC_GO_INACTIVE_STATE	15
240#define	MMC_BUSTEST_W		19
241
242/* Class 2: Block oriented read commands */
243#define	MMC_SET_BLOCKLEN	16
244#define	MMC_READ_SINGLE_BLOCK	17
245#define	MMC_READ_MULTIPLE_BLOCK	18
246#define	MMC_SEND_TUNING_BLOCK	19
247#define	MMC_SEND_TUNING_BLOCK_HS200 21
248
249/* Class 3: Stream write commands */
250#define	MMC_WRITE_DAT_UNTIL_STOP 20
251			/* reserved: 22 */
252
253/* Class 4: Block oriented write commands */
254#define	MMC_SET_BLOCK_COUNT	23
255#define	MMC_WRITE_BLOCK		24
256#define	MMC_WRITE_MULTIPLE_BLOCK 25
257#define	MMC_PROGARM_CID		26
258#define	MMC_PROGRAM_CSD		27
259
260/* Class 6: Block oriented write protection commands */
261#define	MMC_SET_WRITE_PROT	28
262#define	MMC_CLR_WRITE_PROT	29
263#define	MMC_SEND_WRITE_PROT	30
264			/* reserved: 31 */
265
266/* Class 5: Erase commands */
267#define	SD_ERASE_WR_BLK_START	32
268#define	SD_ERASE_WR_BLK_END	33
269			/* 34 -- reserved old command */
270#define	MMC_ERASE_GROUP_START	35
271#define	MMC_ERASE_GROUP_END	36
272			/* 37 -- reserved old command */
273#define	MMC_ERASE		38
274#define	 MMC_ERASE_ERASE	0x00000000
275#define	 MMC_ERASE_TRIM		0x00000001
276#define	 MMC_ERASE_FULE		0x00000002
277#define	 MMC_ERASE_DISCARD	0x00000003
278#define	 MMC_ERASE_SECURE_ERASE	0x80000000
279#define	 MMC_ERASE_SECURE_TRIM1	0x80000001
280#define	 MMC_ERASE_SECURE_TRIM2	0x80008000
281
282/* Class 9: I/O mode commands */
283#define	MMC_FAST_IO		39
284#define	MMC_GO_IRQ_STATE	40
285			/* reserved: 41 */
286
287/* Class 7: Lock card */
288#define	MMC_LOCK_UNLOCK		42
289			/* reserved: 43 */
290			/* reserved: 44 */
291			/* reserved: 45 */
292			/* reserved: 46 */
293			/* reserved: 47 */
294			/* reserved: 48 */
295			/* reserved: 49 */
296			/* reserved: 50 */
297			/* reserved: 51 */
298			/* reserved: 54 */
299
300/* Class 8: Application specific commands */
301#define	MMC_APP_CMD		55
302#define	MMC_GEN_CMD		56
303			/* reserved: 57 */
304			/* reserved: 58 */
305			/* reserved: 59 */
306			/* reserved for mfg: 60 */
307			/* reserved for mfg: 61 */
308			/* reserved for mfg: 62 */
309			/* reserved for mfg: 63 */
310
311/* Class 9: I/O cards (sd) */
312#define	SD_IO_RW_DIRECT		52
313/* CMD52 arguments */
314#define	 SD_ARG_CMD52_READ		(0 << 31)
315#define	 SD_ARG_CMD52_WRITE		(1 << 31)
316#define	 SD_ARG_CMD52_FUNC_SHIFT	28
317#define	 SD_ARG_CMD52_FUNC_MASK		0x7
318#define	 SD_ARG_CMD52_EXCHANGE		(1 << 27)
319#define	 SD_ARG_CMD52_REG_SHIFT		9
320#define	 SD_ARG_CMD52_REG_MASK		0x1ffff
321#define	 SD_ARG_CMD52_DATA_SHIFT	0
322#define	 SD_ARG_CMD52_DATA_MASK		0xff
323#define	 SD_R5_DATA(resp)		((resp)[0] & 0xff)
324
325#define	SD_IO_RW_EXTENDED	53
326/* CMD53 arguments */
327#define	 SD_ARG_CMD53_READ		(0 << 31)
328#define	 SD_ARG_CMD53_WRITE		(1 << 31)
329#define	 SD_ARG_CMD53_FUNC_SHIFT	28
330#define	 SD_ARG_CMD53_FUNC_MASK		0x7
331#define	 SD_ARG_CMD53_BLOCK_MODE	(1 << 27)
332#define	 SD_ARG_CMD53_INCREMENT		(1 << 26)
333#define	 SD_ARG_CMD53_REG_SHIFT		9
334#define	 SD_ARG_CMD53_REG_MASK		0x1ffff
335#define	 SD_ARG_CMD53_LENGTH_SHIFT	0
336#define	 SD_ARG_CMD53_LENGTH_MASK	0x1ff
337#define	 SD_ARG_CMD53_LENGTH_MAX	64	/* XXX should be 511? */
338
339/* Class 10: Switch function commands */
340#define	SD_SWITCH_FUNC		6
341			/* reserved: 34 */
342			/* reserved: 35 */
343			/* reserved: 36 */
344			/* reserved: 37 */
345			/* reserved: 50 */
346			/* reserved: 57 */
347
348/* Application specific commands for SD */
349#define	ACMD_SET_BUS_WIDTH	6
350#define	ACMD_SD_STATUS		13
351#define	ACMD_SEND_NUM_WR_BLOCKS	22
352#define	ACMD_SET_WR_BLK_ERASE_COUNT 23
353#define	ACMD_SD_SEND_OP_COND	41
354#define	ACMD_SET_CLR_CARD_DETECT 42
355#define	ACMD_SEND_SCR		51
356
357/*
358 * EXT_CSD fields
359 */
360#define	EXT_CSD_FLUSH_CACHE	32	/* W/E */
361#define	EXT_CSD_CACHE_CTRL	33	/* R/W/E */
362#define	EXT_CSD_EXT_PART_ATTR	52	/* R/W, 2 bytes */
363#define	EXT_CSD_ENH_START_ADDR	136	/* R/W, 4 bytes */
364#define	EXT_CSD_ENH_SIZE_MULT	140	/* R/W, 3 bytes */
365#define	EXT_CSD_GP_SIZE_MULT	143	/* R/W, 12 bytes */
366#define	EXT_CSD_PART_SET	155	/* R/W */
367#define	EXT_CSD_PART_ATTR	156	/* R/W */
368#define	EXT_CSD_PART_SUPPORT	160	/* RO */
369#define	EXT_CSD_RPMB_MULT	168	/* RO */
370#define	EXT_CSD_BOOT_WP_STATUS	174	/* RO */
371#define	EXT_CSD_ERASE_GRP_DEF	175	/* R/W */
372#define	EXT_CSD_PART_CONFIG	179	/* R/W */
373#define	EXT_CSD_BUS_WIDTH	183	/* R/W */
374#define	EXT_CSD_STROBE_SUPPORT	184	/* RO */
375#define	EXT_CSD_HS_TIMING	185	/* R/W */
376#define	EXT_CSD_POWER_CLASS	187	/* R/W */
377#define	EXT_CSD_CARD_TYPE	196	/* RO */
378#define	EXT_CSD_DRIVER_STRENGTH	197	/* RO */
379#define	EXT_CSD_REV		192	/* RO */
380#define	EXT_CSD_PART_SWITCH_TO	199	/* RO */
381#define	EXT_CSD_PWR_CL_52_195	200	/* RO */
382#define	EXT_CSD_PWR_CL_26_195	201	/* RO */
383#define	EXT_CSD_PWR_CL_52_360	202	/* RO */
384#define	EXT_CSD_PWR_CL_26_360	203	/* RO */
385#define	EXT_CSD_SEC_CNT		212	/* RO, 4 bytes */
386#define	EXT_CSD_HC_WP_GRP_SIZE	221	/* RO */
387#define	EXT_CSD_ERASE_TO_MULT	223	/* RO */
388#define	EXT_CSD_ERASE_GRP_SIZE	224	/* RO */
389#define	EXT_CSD_BOOT_SIZE_MULT	226	/* RO */
390#define	EXT_CSD_SEC_FEATURE_SUPPORT 231	/* RO */
391#define	EXT_CSD_PWR_CL_200_195	236	/* RO */
392#define	EXT_CSD_PWR_CL_200_360	237	/* RO */
393#define	EXT_CSD_PWR_CL_52_195_DDR 238	/* RO */
394#define	EXT_CSD_PWR_CL_52_360_DDR 239	/* RO */
395#define	EXT_CSD_CACHE_FLUSH_POLICY 249	/* RO */
396#define	EXT_CSD_GEN_CMD6_TIME	248	/* RO */
397#define	EXT_CSD_CACHE_SIZE	249	/* RO, 4 bytes */
398#define	EXT_CSD_PWR_CL_200_360_DDR 253	/* RO */
399
400/*
401 * EXT_CSD field definitions
402 */
403#define	EXT_CSD_FLUSH_CACHE_FLUSH	0x01
404#define	EXT_CSD_FLUSH_CACHE_BARRIER	0x02
405
406#define	EXT_CSD_CACHE_CTRL_CACHE_EN	0x01
407
408#define	EXT_CSD_EXT_PART_ATTR_DEFAULT		0x0
409#define	EXT_CSD_EXT_PART_ATTR_SYSTEMCODE	0x1
410#define	EXT_CSD_EXT_PART_ATTR_NPERSISTENT	0x2
411
412#define	EXT_CSD_PART_SET_COMPLETED		0x01
413
414#define	EXT_CSD_PART_ATTR_ENH_USR		0x01
415#define	EXT_CSD_PART_ATTR_ENH_GP0		0x02
416#define	EXT_CSD_PART_ATTR_ENH_GP1		0x04
417#define	EXT_CSD_PART_ATTR_ENH_GP2		0x08
418#define	EXT_CSD_PART_ATTR_ENH_GP3		0x10
419#define	EXT_CSD_PART_ATTR_ENH_MASK		0x1f
420
421#define	EXT_CSD_PART_SUPPORT_EN			0x01
422#define	EXT_CSD_PART_SUPPORT_ENH_ATTR_EN	0x02
423#define	EXT_CSD_PART_SUPPORT_EXT_ATTR_EN	0x04
424
425#define	EXT_CSD_BOOT_WP_STATUS_BOOT0_PWR	0x01
426#define	EXT_CSD_BOOT_WP_STATUS_BOOT0_PERM	0x02
427#define	EXT_CSD_BOOT_WP_STATUS_BOOT0_MASK	0x03
428#define	EXT_CSD_BOOT_WP_STATUS_BOOT1_PWR	0x04
429#define	EXT_CSD_BOOT_WP_STATUS_BOOT1_PERM	0x08
430#define	EXT_CSD_BOOT_WP_STATUS_BOOT1_MASK	0x0c
431
432#define	EXT_CSD_ERASE_GRP_DEF_EN	0x01
433
434#define	EXT_CSD_PART_CONFIG_ACC_DEFAULT	0x00
435#define	EXT_CSD_PART_CONFIG_ACC_BOOT0	0x01
436#define	EXT_CSD_PART_CONFIG_ACC_BOOT1	0x02
437#define	EXT_CSD_PART_CONFIG_ACC_RPMB	0x03
438#define	EXT_CSD_PART_CONFIG_ACC_GP0	0x04
439#define	EXT_CSD_PART_CONFIG_ACC_GP1	0x05
440#define	EXT_CSD_PART_CONFIG_ACC_GP2	0x06
441#define	EXT_CSD_PART_CONFIG_ACC_GP3	0x07
442#define	EXT_CSD_PART_CONFIG_ACC_MASK	0x07
443#define	EXT_CSD_PART_CONFIG_BOOT0	0x08
444#define	EXT_CSD_PART_CONFIG_BOOT1	0x10
445#define	EXT_CSD_PART_CONFIG_BOOT_USR	0x38
446#define	EXT_CSD_PART_CONFIG_BOOT_MASK	0x38
447#define	EXT_CSD_PART_CONFIG_BOOT_ACK	0x40
448
449#define	EXT_CSD_CMD_SET_NORMAL		1
450#define	EXT_CSD_CMD_SET_SECURE		2
451#define	EXT_CSD_CMD_SET_CPSECURE	4
452
453#define	EXT_CSD_HS_TIMING_BC		0
454#define	EXT_CSD_HS_TIMING_HS		1
455#define	EXT_CSD_HS_TIMING_HS200		2
456#define	EXT_CSD_HS_TIMING_HS400		3
457#define	EXT_CSD_HS_TIMING_DRV_STR_SHIFT	4
458
459#define	EXT_CSD_POWER_CLASS_8BIT_MASK	0xf0
460#define	EXT_CSD_POWER_CLASS_8BIT_SHIFT	4
461#define	EXT_CSD_POWER_CLASS_4BIT_MASK	0x0f
462#define	EXT_CSD_POWER_CLASS_4BIT_SHIFT	0
463
464#define	EXT_CSD_CARD_TYPE_HS_26		0x0001
465#define	EXT_CSD_CARD_TYPE_HS_52		0x0002
466#define	EXT_CSD_CARD_TYPE_DDR_52_1_8V	0x0004
467#define	EXT_CSD_CARD_TYPE_DDR_52_1_2V	0x0008
468#define	EXT_CSD_CARD_TYPE_HS200_1_8V	0x0010
469#define	EXT_CSD_CARD_TYPE_HS200_1_2V	0x0020
470#define	EXT_CSD_CARD_TYPE_HS400_1_8V	0x0040
471#define	EXT_CSD_CARD_TYPE_HS400_1_2V	0x0080
472
473#define	EXT_CSD_BUS_WIDTH_1	0
474#define	EXT_CSD_BUS_WIDTH_4	1
475#define	EXT_CSD_BUS_WIDTH_8	2
476#define	EXT_CSD_BUS_WIDTH_4_DDR	5
477#define	EXT_CSD_BUS_WIDTH_8_DDR	6
478#define	EXT_CSD_BUS_WIDTH_ES	0x80
479
480#define	EXT_CSD_STROBE_SUPPORT_EN	0x01
481
482#define	EXT_CSD_SEC_FEATURE_SUPPORT_ER_EN	0x01
483#define	EXT_CSD_SEC_FEATURE_SUPPORT_BD_BLK_EN	0x04
484#define	EXT_CSD_SEC_FEATURE_SUPPORT_GB_CL_EN	0x10
485#define	EXT_CSD_SEC_FEATURE_SUPPORT_SANITIZE	0x40
486
487#define	EXT_CSD_CACHE_FLUSH_POLICY_FIFO	0x01
488
489/*
490 * Vendor specific EXT_CSD fields
491 */
492/* SanDisk iNAND */
493#define	EXT_CSD_INAND_CMD38			113
494#define	 EXT_CSD_INAND_CMD38_ERASE		0x00
495#define	 EXT_CSD_INAND_CMD38_TRIM		0x01
496#define	 EXT_CSD_INAND_CMD38_SECURE_ERASE	0x80
497#define	 EXT_CSD_INAND_CMD38_SECURE_TRIM1	0x81
498#define	 EXT_CSD_INAND_CMD38_SECURE_TRIM2	0x82
499
500#define	MMC_TYPE_HS_26_MAX		26000000
501#define	MMC_TYPE_HS_52_MAX		52000000
502#define	MMC_TYPE_DDR52_MAX		52000000
503#define	MMC_TYPE_HS200_HS400ES_MAX	200000000
504
505/*
506 * SD bus widths
507 */
508#define	SD_BUS_WIDTH_1		0
509#define	SD_BUS_WIDTH_4		2
510
511/*
512 * SD Switch
513 */
514#define	SD_SWITCH_MODE_CHECK	0
515#define	SD_SWITCH_MODE_SET	1
516#define	SD_SWITCH_GROUP1	0
517#define	SD_SWITCH_NORMAL_MODE	0
518#define	SD_SWITCH_HS_MODE	1
519#define	SD_SWITCH_SDR50_MODE	2
520#define	SD_SWITCH_SDR104_MODE	3
521#define	SD_SWITCH_DDR50		4
522#define	SD_SWITCH_NOCHANGE	0xF
523
524#define	SD_CLR_CARD_DETECT	0
525#define	SD_SET_CARD_DETECT	1
526
527#define	SD_HS_MAX		50000000
528#define	SD_DDR50_MAX		50000000
529#define	SD_SDR12_MAX		25000000
530#define	SD_SDR25_MAX		50000000
531#define	SD_SDR50_MAX		100000000
532#define	SD_SDR104_MAX		208000000
533
534/* Specifications require 400 kHz max. during ID phase. */
535#define	SD_MMC_CARD_ID_FREQUENCY	400000
536
537/*
538 * SDIO Direct & Extended I/O
539 */
540#define	SD_IO_RW_WR		(1u << 31)
541#define	SD_IO_RW_FUNC(x)	(((x) & 0x7) << 28)
542#define	SD_IO_RW_RAW		(1u << 27)
543#define	SD_IO_RW_INCR		(1u << 26)
544#define	SD_IO_RW_ADR(x)		(((x) & 0x1FFFF) << 9)
545#define	SD_IO_RW_DAT(x)		(((x) & 0xFF) << 0)
546#define	SD_IO_RW_LEN(x)		(((x) & 0xFF) << 0)
547
548#define	SD_IOE_RW_LEN(x)	(((x) & 0x1FF) << 0)
549#define	SD_IOE_RW_BLK		(1u << 27)
550
551/* Card Common Control Registers (CCCR) */
552#define	SD_IO_CCCR_START		0x00000
553#define	SD_IO_CCCR_SIZE			0x100
554#define	SD_IO_CCCR_FN_ENABLE		0x02
555#define	SD_IO_CCCR_FN_READY		0x03
556#define	SD_IO_CCCR_INT_ENABLE		0x04
557#define	SD_IO_CCCR_INT_PENDING		0x05
558#define	SD_IO_CCCR_CTL			0x06
559#define	 CCCR_CTL_RES			(1 << 3)
560#define	SD_IO_CCCR_BUS_WIDTH		0x07
561#define	 CCCR_BUS_WIDTH_4		(1 << 1)
562#define	 CCCR_BUS_WIDTH_1		(1 << 0)
563#define	SD_IO_CCCR_CARDCAP		0x08
564#define	SD_IO_CCCR_CISPTR		0x09	/* XXX 9-10, 10-11, or 9-12 */
565
566/* Function Basic Registers (FBR) */
567#define	SD_IO_FBR_START			0x00100
568#define	SD_IO_FBR_SIZE			0x00700
569
570/* Card Information Structure (CIS) */
571#define	SD_IO_CIS_START			0x01000
572#define	SD_IO_CIS_SIZE			0x17000
573
574/* CIS tuple codes (based on PC Card 16) */
575#define	SD_IO_CISTPL_VERS_1		0x15
576#define	SD_IO_CISTPL_MANFID		0x20
577#define	SD_IO_CISTPL_FUNCID		0x21
578#define	SD_IO_CISTPL_FUNCE		0x22
579#define	SD_IO_CISTPL_END		0xff
580
581/* CISTPL_FUNCID codes */
582/* OpenBSD incorrectly defines 0x0c as FUNCTION_WLAN */
583/* #define	SDMMC_FUNCTION_WLAN		0x0c */
584
585/* OCR bits */
586
587/*
588 * in SD 2.0 spec, bits 8-14 are now marked reserved
589 * Low voltage in SD2.0 spec is bit 7, TBD voltage
590 * Low voltage in MC 3.31 spec is bit 7, 1.65-1.95V
591 * Specs prior to  MMC 3.31 defined bits 0-7 as voltages down to 1.5V.
592 * 3.31 redefined them to be reserved and also said that cards had to
593 * support the 2.7-3.6V and fixed the OCR to be 0xfff8000 for high voltage
594 * cards.  MMC 4.0 says that a dual voltage card responds with 0xfff8080.
595 * Looks like the fine-grained control of the voltage tolerance ranges
596 * was abandoned.
597 *
598 * The MMC_OCR_CCS appears to be valid for only SD cards.
599 */
600#define	MMC_OCR_VOLTAGE	0x3fffffffU	/* Vdd Voltage mask */
601#define	MMC_OCR_LOW_VOLTAGE (1u << 7)	/* Low Voltage Range -- tbd */
602#define	MMC_OCR_MIN_VOLTAGE_SHIFT	7
603#define	MMC_OCR_200_210	(1U << 8)	/* Vdd voltage 2.00 ~ 2.10 */
604#define	MMC_OCR_210_220	(1U << 9)	/* Vdd voltage 2.10 ~ 2.20 */
605#define	MMC_OCR_220_230	(1U << 10)	/* Vdd voltage 2.20 ~ 2.30 */
606#define	MMC_OCR_230_240	(1U << 11)	/* Vdd voltage 2.30 ~ 2.40 */
607#define	MMC_OCR_240_250	(1U << 12)	/* Vdd voltage 2.40 ~ 2.50 */
608#define	MMC_OCR_250_260	(1U << 13)	/* Vdd voltage 2.50 ~ 2.60 */
609#define	MMC_OCR_260_270	(1U << 14)	/* Vdd voltage 2.60 ~ 2.70 */
610#define	MMC_OCR_270_280	(1U << 15)	/* Vdd voltage 2.70 ~ 2.80 */
611#define	MMC_OCR_280_290	(1U << 16)	/* Vdd voltage 2.80 ~ 2.90 */
612#define	MMC_OCR_290_300	(1U << 17)	/* Vdd voltage 2.90 ~ 3.00 */
613#define	MMC_OCR_300_310	(1U << 18)	/* Vdd voltage 3.00 ~ 3.10 */
614#define	MMC_OCR_310_320	(1U << 19)	/* Vdd voltage 3.10 ~ 3.20 */
615#define	MMC_OCR_320_330	(1U << 20)	/* Vdd voltage 3.20 ~ 3.30 */
616#define	MMC_OCR_330_340	(1U << 21)	/* Vdd voltage 3.30 ~ 3.40 */
617#define	MMC_OCR_340_350	(1U << 22)	/* Vdd voltage 3.40 ~ 3.50 */
618#define	MMC_OCR_350_360	(1U << 23)	/* Vdd voltage 3.50 ~ 3.60 */
619#define	MMC_OCR_MAX_VOLTAGE_SHIFT	23
620#define	MMC_OCR_S18R	(1U << 24)	/* Switching to 1.8 V requested (SD) */
621#define	MMC_OCR_S18A	MMC_OCR_S18R	/* Switching to 1.8 V accepted (SD) */
622#define	MMC_OCR_XPC	(1U << 28)	/* SDXC Power Control */
623#define	MMC_OCR_ACCESS_MODE_BYTE (0U << 29) /* Access Mode Byte (MMC) */
624#define	MMC_OCR_ACCESS_MODE_SECT (1U << 29) /* Access Mode Sector (MMC) */
625#define	MMC_OCR_ACCESS_MODE_MASK (3U << 29)
626#define	MMC_OCR_CCS	(1u << 30)	/* Card Capacity status (SD vs SDHC) */
627#define	MMC_OCR_CARD_BUSY (1U << 31)	/* Card Power up status */
628
629/* CSD -- decoded structure */
630struct mmc_cid {
631	uint32_t mid;
632	char pnm[8];
633	uint32_t psn;
634	uint16_t oid;
635	uint16_t mdt_year;
636	uint8_t mdt_month;
637	uint8_t prv;
638	uint8_t fwrev;
639};
640
641struct mmc_csd {
642	uint8_t csd_structure;
643	uint8_t spec_vers;
644	uint16_t ccc;
645	uint16_t tacc;
646	uint32_t nsac;
647	uint32_t r2w_factor;
648	uint32_t tran_speed;
649	uint32_t read_bl_len;
650	uint32_t write_bl_len;
651	uint32_t vdd_r_curr_min;
652	uint32_t vdd_r_curr_max;
653	uint32_t vdd_w_curr_min;
654	uint32_t vdd_w_curr_max;
655	uint32_t wp_grp_size;
656	uint32_t erase_sector;
657	uint64_t capacity;
658	unsigned int read_bl_partial:1,
659	    read_blk_misalign:1,
660	    write_bl_partial:1,
661	    write_blk_misalign:1,
662	    dsr_imp:1,
663	    erase_blk_en:1,
664	    wp_grp_enable:1;
665};
666
667struct mmc_scr {
668	unsigned char		sda_vsn;
669	unsigned char		bus_widths;
670#define	SD_SCR_BUS_WIDTH_1	(1 << 0)
671#define	SD_SCR_BUS_WIDTH_4	(1 << 2)
672};
673
674struct mmc_sd_status {
675	uint8_t			bus_width;
676	uint8_t			secured_mode;
677	uint16_t		card_type;
678	uint16_t		prot_area;
679	uint8_t			speed_class;
680	uint8_t			perf_move;
681	uint8_t			au_size;
682	uint16_t		erase_size;
683	uint8_t			erase_timeout;
684	uint8_t			erase_offset;
685};
686
687struct mmc_quirk {
688	uint32_t mid;
689#define	MMC_QUIRK_MID_ANY	((uint32_t)-1)
690	uint16_t oid;
691#define	MMC_QUIRK_OID_ANY	((uint16_t)-1)
692	const char *pnm;
693	uint32_t quirks;
694#define	MMC_QUIRK_INAND_CMD38	0x0001
695#define	MMC_QUIRK_BROKEN_TRIM	0x0002
696};
697
698#define	MMC_QUIRKS_FMT		"\020" "\001INAND_CMD38" "\002BROKEN_TRIM"
699
700/*
701 * Various MMC/SD constants
702 */
703#define	MMC_BOOT_RPMB_BLOCK_SIZE	(128 * 1024)
704
705#define	MMC_EXTCSD_SIZE	512
706
707#define	MMC_PART_GP_MAX	4
708#define	MMC_PART_MAX	8
709
710#define	MMC_TUNING_MAX		64	/* Maximum tuning iterations */
711#define	MMC_TUNING_LEN		64	/* Size of tuning data */
712#define	MMC_TUNING_LEN_HS200	128	/* Size of tuning data in HS200 mode */
713
714/*
715 * Older versions of the MMC standard had a variable sector size.  However,
716 * I've been able to find no old MMC or SD cards that have a non 512
717 * byte sector size anywhere, so we assume that such cards are very rare
718 * and only note their existence in passing here...
719 */
720#define	MMC_SECTOR_SIZE	512
721
722#endif /* DEV_MMCREG_H */
723