summaryrefslogtreecommitdiffstats
path: root/include/linux/usb/pd.h
blob: eb626af0e4e7cfc739842a34736317688ac88187 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright 2015-2017 Google, Inc
 */

#ifndef __LINUX_USB_PD_H
#define __LINUX_USB_PD_H

#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/usb/typec.h>

/* USB PD Messages */
enum pd_ctrl_msg_type {
	/* 0 Reserved */
	PD_CTRL_GOOD_CRC = 1,
	PD_CTRL_GOTO_MIN = 2,
	PD_CTRL_ACCEPT = 3,
	PD_CTRL_REJECT = 4,
	PD_CTRL_PING = 5,
	PD_CTRL_PS_RDY = 6,
	PD_CTRL_GET_SOURCE_CAP = 7,
	PD_CTRL_GET_SINK_CAP = 8,
	PD_CTRL_DR_SWAP = 9,
	PD_CTRL_PR_SWAP = 10,
	PD_CTRL_VCONN_SWAP = 11,
	PD_CTRL_WAIT = 12,
	PD_CTRL_SOFT_RESET = 13,
	/* 14-15 Reserved */
	PD_CTRL_NOT_SUPP = 16,
	PD_CTRL_GET_SOURCE_CAP_EXT = 17,
	PD_CTRL_GET_STATUS = 18,
	PD_CTRL_FR_SWAP = 19,
	PD_CTRL_GET_PPS_STATUS = 20,
	PD_CTRL_GET_COUNTRY_CODES = 21,
	/* 22-31 Reserved */
};

enum pd_data_msg_type {
	/* 0 Reserved */
	PD_DATA_SOURCE_CAP = 1,
	PD_DATA_REQUEST = 2,
	PD_DATA_BIST = 3,
	PD_DATA_SINK_CAP = 4,
	PD_DATA_BATT_STATUS = 5,
	PD_DATA_ALERT = 6,
	PD_DATA_GET_COUNTRY_INFO = 7,
	PD_DATA_ENTER_USB = 8,
	/* 9-14 Reserved */
	PD_DATA_VENDOR_DEF = 15,
	/* 16-31 Reserved */
};

enum pd_ext_msg_type {
	/* 0 Reserved */
	PD_EXT_SOURCE_CAP_EXT = 1,
	PD_EXT_STATUS = 2,
	PD_EXT_GET_BATT_CAP = 3,
	PD_EXT_GET_BATT_STATUS = 4,
	PD_EXT_BATT_CAP = 5,
	PD_EXT_GET_MANUFACTURER_INFO = 6,
	PD_EXT_MANUFACTURER_INFO = 7,
	PD_EXT_SECURITY_REQUEST = 8,
	PD_EXT_SECURITY_RESPONSE = 9,
	PD_EXT_FW_UPDATE_REQUEST = 10,
	PD_EXT_FW_UPDATE_RESPONSE = 11,
	PD_EXT_PPS_STATUS = 12,
	PD_EXT_COUNTRY_INFO = 13,
	PD_EXT_COUNTRY_CODES = 14,
	/* 15-31 Reserved */
};

#define PD_REV10	0x0
#define PD_REV20	0x1
#define PD_REV30	0x2
#define PD_MAX_REV	PD_REV30

#define PD_HEADER_EXT_HDR	BIT(15)
#define PD_HEADER_CNT_SHIFT	12
#define PD_HEADER_CNT_MASK	0x7
#define PD_HEADER_ID_SHIFT	9
#define PD_HEADER_ID_MASK	0x7
#define PD_HEADER_PWR_ROLE	BIT(8)
#define PD_HEADER_REV_SHIFT	6
#define PD_HEADER_REV_MASK	0x3
#define PD_HEADER_DATA_ROLE	BIT(5)
#define PD_HEADER_TYPE_SHIFT	0
#define PD_HEADER_TYPE_MASK	0x1f

#define PD_HEADER(type, pwr, data, rev, id, cnt, ext_hdr)		\
	((((type) & PD_HEADER_TYPE_MASK) << PD_HEADER_TYPE_SHIFT) |	\
	 ((pwr) == TYPEC_SOURCE ? PD_HEADER_PWR_ROLE : 0) |		\
	 ((data) == TYPEC_HOST ? PD_HEADER_DATA_ROLE : 0) |		\
	 (rev << PD_HEADER_REV_SHIFT) |					\
	 (((id) & PD_HEADER_ID_MASK) << PD_HEADER_ID_SHIFT) |		\
	 (((cnt) & PD_HEADER_CNT_MASK) << PD_HEADER_CNT_SHIFT) |	\
	 ((ext_hdr) ? PD_HEADER_EXT_HDR : 0))

#define PD_HEADER_LE(type, pwr, data, rev, id, cnt) \
	cpu_to_le16(PD_HEADER((type), (pwr), (data), (rev), (id), (cnt), (0)))

static inline unsigned int pd_header_cnt(u16 header)
{
	return (header >> PD_HEADER_CNT_SHIFT) & PD_HEADER_CNT_MASK;
}

static inline unsigned int pd_header_cnt_le(__le16 header)
{
	return pd_header_cnt(le16_to_cpu(header));
}

static inline unsigned int pd_header_type(u16 header)
{
	return (header >> PD_HEADER_TYPE_SHIFT) & PD_HEADER_TYPE_MASK;
}

static inline unsigned int pd_header_type_le(__le16 header)
{
	return pd_header_type(le16_to_cpu(header));
}

static inline unsigned int pd_header_msgid(u16 header)
{
	return (header >> PD_HEADER_ID_SHIFT) & PD_HEADER_ID_MASK;
}

static inline unsigned int pd_header_msgid_le(__le16 header)
{
	return pd_header_msgid(le16_to_cpu(header));
}

static inline unsigned int pd_header_rev(u16 header)
{
	return (header >> PD_HEADER_REV_SHIFT) & PD_HEADER_REV_MASK;
}

static inline unsigned int pd_header_rev_le(__le16 header)
{
	return pd_header_rev(le16_to_cpu(header));
}

#define PD_EXT_HDR_CHUNKED		BIT(15)
#define PD_EXT_HDR_CHUNK_NUM_SHIFT	11
#define PD_EXT_HDR_CHUNK_NUM_MASK	0xf
#define PD_EXT_HDR_REQ_CHUNK		BIT(10)
#define PD_EXT_HDR_DATA_SIZE_SHIFT	0
#define PD_EXT_HDR_DATA_SIZE_MASK	0x1ff

#define PD_EXT_HDR(data_size, req_chunk, chunk_num, chunked)				\
	((((data_size) & PD_EXT_HDR_DATA_SIZE_MASK) << PD_EXT_HDR_DATA_SIZE_SHIFT) |	\
	 ((req_chunk) ? PD_EXT_HDR_REQ_CHUNK : 0) |					\
	 (((chunk_num) & PD_EXT_HDR_CHUNK_NUM_MASK) << PD_EXT_HDR_CHUNK_NUM_SHIFT) |	\
	 ((chunked) ? PD_EXT_HDR_CHUNKED : 0))

#define PD_EXT_HDR_LE(data_size, req_chunk, chunk_num, chunked) \
	cpu_to_le16(PD_EXT_HDR((data_size), (req_chunk), (chunk_num), (chunked)))

static inline unsigned int pd_ext_header_chunk_num(u16 ext_header)
{
	return (ext_header >> PD_EXT_HDR_CHUNK_NUM_SHIFT) &
		PD_EXT_HDR_CHUNK_NUM_MASK;
}

static inline unsigned int pd_ext_header_data_size(u16 ext_header)
{
	return (ext_header >> PD_EXT_HDR_DATA_SIZE_SHIFT) &
		PD_EXT_HDR_DATA_SIZE_MASK;
}

static inline unsigned int pd_ext_header_data_size_le(__le16 ext_header)
{
	return pd_ext_header_data_size(le16_to_cpu(ext_header));
}

#define PD_MAX_PAYLOAD		7
#define PD_EXT_MAX_CHUNK_DATA	26

/**
  * struct pd_chunked_ext_message_data - PD chunked extended message data as
  *					 seen on wire
  * @header:    PD extended message header
  * @data:      PD extended message data
  */
struct pd_chunked_ext_message_data {
	__le16 header;
	u8 data[PD_EXT_MAX_CHUNK_DATA];
} __packed;

/**
  * struct pd_message - PD message as seen on wire
  * @header:    PD message header
  * @payload:   PD message payload
  * @ext_msg:   PD message chunked extended message data
  */
struct pd_message {
	__le16 header;
	union {
		__le32 payload[PD_MAX_PAYLOAD];
		struct pd_chunked_ext_message_data ext_msg;
	};
} __packed;

/* PDO: Power Data Object */
#define PDO_MAX_OBJECTS		7

enum pd_pdo_type {
	PDO_TYPE_FIXED = 0,
	PDO_TYPE_BATT = 1,
	PDO_TYPE_VAR = 2,
	PDO_TYPE_APDO = 3,
};

#define PDO_TYPE_SHIFT		30
#define PDO_TYPE_MASK		0x3

#define PDO_TYPE(t)	((t) << PDO_TYPE_SHIFT)

#define PDO_VOLT_MASK		0x3ff
#define PDO_CURR_MASK		0x3ff
#define PDO_PWR_MASK		0x3ff

#define PDO_FIXED_DUAL_ROLE		BIT(29)	/* Power role swap supported */
#define PDO_FIXED_SUSPEND		BIT(28) /* USB Suspend supported (Source) */
#define PDO_FIXED_HIGHER_CAP		BIT(28) /* Requires more than vSafe5V (Sink) */
#define PDO_FIXED_EXTPOWER		BIT(27) /* Externally powered */
#define PDO_FIXED_USB_COMM		BIT(26) /* USB communications capable */
#define PDO_FIXED_DATA_SWAP		BIT(25) /* Data role swap supported */
#define PDO_FIXED_UNCHUNK_EXT		BIT(24) /* Unchunked Extended Message supported (Source) */
#define PDO_FIXED_FRS_CURR_MASK		(BIT(24) | BIT(23)) /* FR_Swap Current (Sink) */
#define PDO_FIXED_FRS_CURR_SHIFT	23
#define PDO_FIXED_PEAK_CURR_SHIFT	20
#define PDO_FIXED_VOLT_SHIFT		10	/* 50mV units */
#define PDO_FIXED_CURR_SHIFT		0	/* 10mA units */

#define PDO_FIXED_VOLT(mv)	((((mv) / 50) & PDO_VOLT_MASK) << PDO_FIXED_VOLT_SHIFT)
#define PDO_FIXED_CURR(ma)	((((ma) / 10) & PDO_CURR_MASK) << PDO_FIXED_CURR_SHIFT)

#define PDO_FIXED(mv, ma, flags)			\
	(PDO_TYPE(PDO_TYPE_FIXED) | (flags) |		\
	 PDO_FIXED_VOLT(mv) | PDO_FIXED_CURR(ma))

#define VSAFE5V 5000 /* mv units */

#define PDO_BATT_MAX_VOLT_SHIFT	20	/* 50mV units */
#define PDO_BATT_MIN_VOLT_SHIFT	10	/* 50mV units */
#define PDO_BATT_MAX_PWR_SHIFT	0	/* 250mW units */

#define PDO_BATT_MIN_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_BATT_MIN_VOLT_SHIFT)
#define PDO_BATT_MAX_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_BATT_MAX_VOLT_SHIFT)
#define PDO_BATT_MAX_POWER(mw) ((((mw) / 250) & PDO_PWR_MASK) << PDO_BATT_MAX_PWR_SHIFT)

#define PDO_BATT(min_mv, max_mv, max_mw)			\
	(PDO_TYPE(PDO_TYPE_BATT) | PDO_BATT_MIN_VOLT(min_mv) |	\
	 PDO_BATT_MAX_VOLT(max_mv) | PDO_BATT_MAX_POWER(max_mw))

#define PDO_VAR_MAX_VOLT_SHIFT	20	/* 50mV units */
#define PDO_VAR_MIN_VOLT_SHIFT	10	/* 50mV units */
#define PDO_VAR_MAX_CURR_SHIFT	0	/* 10mA units */

#define PDO_VAR_MIN_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_VAR_MIN_VOLT_SHIFT)
#define PDO_VAR_MAX_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_VAR_MAX_VOLT_SHIFT)
#define PDO_VAR_MAX_CURR(ma) ((((ma) / 10) & PDO_CURR_MASK) << PDO_VAR_MAX_CURR_SHIFT)

#define PDO_VAR(min_mv, max_mv, max_ma)				\
	(PDO_TYPE(PDO_TYPE_VAR) | PDO_VAR_MIN_VOLT(min_mv) |	\
	 PDO_VAR_MAX_VOLT(max_mv) | PDO_VAR_MAX_CURR(max_ma))

enum pd_apdo_type {
	APDO_TYPE_PPS = 0,
};

#define PDO_APDO_TYPE_SHIFT	28	/* Only valid value currently is 0x0 - PPS */
#define PDO_APDO_TYPE_MASK	0x3

#define PDO_APDO_TYPE(t)	((t) << PDO_APDO_TYPE_SHIFT)

#define PDO_PPS_APDO_MAX_VOLT_SHIFT	17	/* 100mV units */
#define PDO_PPS_APDO_MIN_VOLT_SHIFT	8	/* 100mV units */
#define PDO_PPS_APDO_MAX_CURR_SHIFT	0	/* 50mA units */

#define PDO_PPS_APDO_VOLT_MASK	0xff
#define PDO_PPS_APDO_CURR_MASK	0x7f

#define PDO_PPS_APDO_MIN_VOLT(mv)	\
	((((mv) / 100) & PDO_PPS_APDO_VOLT_MASK) << PDO_PPS_APDO_MIN_VOLT_SHIFT)
#define PDO_PPS_APDO_MAX_VOLT(mv)	\
	((((mv) / 100) & PDO_PPS_APDO_VOLT_MASK) << PDO_PPS_APDO_MAX_VOLT_SHIFT)
#define PDO_PPS_APDO_MAX_CURR(ma)	\
	((((ma) / 50) & PDO_PPS_APDO_CURR_MASK) << PDO_PPS_APDO_MAX_CURR_SHIFT)

#define PDO_PPS_APDO(min_mv, max_mv, max_ma)				\
	(PDO_TYPE(PDO_TYPE_APDO) | PDO_APDO_TYPE(APDO_TYPE_PPS) |	\
	PDO_PPS_APDO_MIN_VOLT(min_mv) | PDO_PPS_APDO_MAX_VOLT(max_mv) |	\
	PDO_PPS_APDO_MAX_CURR(max_ma))

static inline enum pd_pdo_type pdo_type(u32 pdo)
{
	return (pdo >> PDO_TYPE_SHIFT) & PDO_TYPE_MASK;
}

static inline unsigned int pdo_fixed_voltage(u32 pdo)
{
	return ((pdo >> PDO_FIXED_VOLT_SHIFT) & PDO_VOLT_MASK) * 50;
}

static inline unsigned int pdo_min_voltage(u32 pdo)
{
	return ((pdo >> PDO_VAR_MIN_VOLT_SHIFT) & PDO_VOLT_MASK) * 50;
}

static inline unsigned int pdo_max_voltage(u32 pdo)
{
	return ((pdo >> PDO_VAR_MAX_VOLT_SHIFT) & PDO_VOLT_MASK) * 50;
}

static inline unsigned int pdo_max_current(u32 pdo)
{
	return ((pdo >> PDO_VAR_MAX_CURR_SHIFT) & PDO_CURR_MASK) * 10;
}

static inline unsigned int pdo_max_power(u32 pdo)
{
	return ((pdo >> PDO_BATT_MAX_PWR_SHIFT) & PDO_PWR_MASK) * 250;
}

static inline enum pd_apdo_type pdo_apdo_type(u32 pdo)
{
	return (pdo >> PDO_APDO_TYPE_SHIFT) & PDO_APDO_TYPE_MASK;
}

static inline unsigned int pdo_pps_apdo_min_voltage(u32 pdo)
{
	return ((pdo >> PDO_PPS_APDO_MIN_VOLT_SHIFT) &
		PDO_PPS_APDO_VOLT_MASK) * 100;
}

static inline unsigned int pdo_pps_apdo_max_voltage(u32 pdo)
{
	return ((pdo >> PDO_PPS_APDO_MAX_VOLT_SHIFT) &
		PDO_PPS_APDO_VOLT_MASK) * 100;
}

static inline unsigned int pdo_pps_apdo_max_current(u32 pdo)
{
	return ((pdo >> PDO_PPS_APDO_MAX_CURR_SHIFT) &
		PDO_PPS_APDO_CURR_MASK) * 50;
}

/* RDO: Request Data Object */
#define RDO_OBJ_POS_SHIFT	28
#define RDO_OBJ_POS_MASK	0x7
#define RDO_GIVE_BACK		BIT(27)	/* Supports reduced operating current */
#define RDO_CAP_MISMATCH	BIT(26) /* Not satisfied by source caps */
#define RDO_USB_COMM		BIT(25) /* USB communications capable */
#define RDO_NO_SUSPEND		BIT(24) /* USB Suspend not supported */

#define RDO_PWR_MASK			0x3ff
#define RDO_CURR_MASK			0x3ff

#define RDO_FIXED_OP_CURR_SHIFT		10
#define RDO_FIXED_MAX_CURR_SHIFT	0

#define RDO_OBJ(idx) (((idx) & RDO_OBJ_POS_MASK) << RDO_OBJ_POS_SHIFT)

#define PDO_FIXED_OP_CURR(ma) ((((ma) / 10) & RDO_CURR_MASK) << RDO_FIXED_OP_CURR_SHIFT)
#define PDO_FIXED_MAX_CURR(ma) ((((ma) / 10) & RDO_CURR_MASK) << RDO_FIXED_MAX_CURR_SHIFT)

#define RDO_FIXED(idx, op_ma, max_ma, flags)			\
	(RDO_OBJ(idx) | (flags) |				\
	 PDO_FIXED_OP_CURR(op_ma) | PDO_FIXED_MAX_CURR(max_ma))

#define RDO_BATT_OP_PWR_SHIFT		10	/* 250mW units */
#define RDO_BATT_MAX_PWR_SHIFT		0	/* 250mW units */

#define RDO_BATT_OP_PWR(mw) ((((mw) / 250) & RDO_PWR_MASK) << RDO_BATT_OP_PWR_SHIFT)
#define RDO_BATT_MAX_PWR(mw) ((((mw) / 250) & RDO_PWR_MASK) << RDO_BATT_MAX_PWR_SHIFT)

#define RDO_BATT(idx, op_mw, max_mw, flags)			\
	(RDO_OBJ(idx) | (flags) |				\
	 RDO_BATT_OP_PWR(op_mw) | RDO_BATT_MAX_PWR(max_mw))

#define RDO_PROG_VOLT_MASK	0x7ff
#define RDO_PROG_CURR_MASK	0x7f

#define RDO_PROG_VOLT_SHIFT	9
#define RDO_PROG_CURR_SHIFT	0

#define RDO_PROG_VOLT_MV_STEP	20
#define RDO_PROG_CURR_MA_STEP	50

#define PDO_PROG_OUT_VOLT(mv)	\
	((((mv) / RDO_PROG_VOLT_MV_STEP) & RDO_PROG_VOLT_MASK) << RDO_PROG_VOLT_SHIFT)
#define PDO_PROG_OP_CURR(ma)	\
	((((ma) / RDO_PROG_CURR_MA_STEP) & RDO_PROG_CURR_MASK) << RDO_PROG_CURR_SHIFT)

#define RDO_PROG(idx, out_mv, op_ma, flags)			\
	(RDO_OBJ(idx) | (flags) |				\
	 PDO_PROG_OUT_VOLT(out_mv) | PDO_PROG_OP_CURR(op_ma))

static inline unsigned int rdo_index(u32 rdo)
{
	return (rdo >> RDO_OBJ_POS_SHIFT) & RDO_OBJ_POS_MASK;
}

static inline unsigned int rdo_op_current(u32 rdo)
{
	return ((rdo >> RDO_FIXED_OP_CURR_SHIFT) & RDO_CURR_MASK) * 10;
}

static inline unsigned int rdo_max_current(u32 rdo)
{
	return ((rdo >> RDO_FIXED_MAX_CURR_SHIFT) &
		RDO_CURR_MASK) * 10;
}

static inline unsigned int rdo_op_power(u32 rdo)
{
	return ((rdo >> RDO_BATT_OP_PWR_SHIFT) & RDO_PWR_MASK) * 250;
}

static inline unsigned int rdo_max_power(u32 rdo)
{
	return ((rdo >> RDO_BATT_MAX_PWR_SHIFT) & RDO_PWR_MASK) * 250;
}

/* Enter_USB Data Object */
#define EUDO_USB_MODE_MASK		GENMASK(30, 28)
#define EUDO_USB_MODE_SHIFT		28
#define   EUDO_USB_MODE_USB2		0
#define   EUDO_USB_MODE_USB3		1
#define   EUDO_USB_MODE_USB4		2
#define EUDO_USB4_DRD			BIT(26)
#define EUDO_USB3_DRD			BIT(25)
#define EUDO_CABLE_SPEED_MASK		GENMASK(23, 21)
#define EUDO_CABLE_SPEED_SHIFT		21
#define   EUDO_CABLE_SPEED_USB2		0
#define   EUDO_CABLE_SPEED_USB3_GEN1	1
#define   EUDO_CABLE_SPEED_USB4_GEN2	2
#define   EUDO_CABLE_SPEED_USB4_GEN3	3
#define EUDO_CABLE_TYPE_MASK		GENMASK(20, 19)
#define EUDO_CABLE_TYPE_SHIFT		19
#define   EUDO_CABLE_TYPE_PASSIVE	0
#define   EUDO_CABLE_TYPE_RE_TIMER	1
#define   EUDO_CABLE_TYPE_RE_DRIVER	2
#define   EUDO_CABLE_TYPE_OPTICAL	3
#define EUDO_CABLE_CURRENT_MASK		GENMASK(18, 17)
#define EUDO_CABLE_CURRENT_SHIFT	17
#define   EUDO_CABLE_CURRENT_NOTSUPP	0
#define   EUDO_CABLE_CURRENT_3A		2
#define   EUDO_CABLE_CURRENT_5A		3
#define EUDO_PCIE_SUPPORT		BIT(16)
#define EUDO_DP_SUPPORT			BIT(15)
#define EUDO_TBT_SUPPORT		BIT(14)
#define EUDO_HOST_PRESENT		BIT(13)

/* USB PD timers and counters */
#define PD_T_NO_RESPONSE	5000	/* 4.5 - 5.5 seconds */
#define PD_T_DB_DETECT		10000	/* 10 - 15 seconds */
#define PD_T_SEND_SOURCE_CAP	150	/* 100 - 200 ms */
#define PD_T_SENDER_RESPONSE	60	/* 24 - 30 ms, relaxed */
#define PD_T_RECEIVER_RESPONSE	15	/* 15ms max */
#define PD_T_SOURCE_ACTIVITY	45
#define PD_T_SINK_ACTIVITY	135
#define PD_T_SINK_WAIT_CAP	310	/* 310 - 620 ms */
#define PD_T_PS_TRANSITION	500
#define PD_T_SRC_TRANSITION	35
#define PD_T_DRP_SNK		40
#define PD_T_DRP_SRC		30
#define PD_T_PS_SOURCE_OFF	920
#define PD_T_PS_SOURCE_ON	480
#define PD_T_PS_SOURCE_ON_PRS	450	/* 390 - 480ms */
#define PD_T_PS_HARD_RESET	30
#define PD_T_SRC_RECOVER	760
#define PD_T_SRC_RECOVER_MAX	1000
#define PD_T_SRC_TURN_ON	275
#define PD_T_SAFE_0V		650
#define PD_T_VCONN_SOURCE_ON	100
#define PD_T_SINK_REQUEST	100	/* 100 ms minimum */
#define PD_T_ERROR_RECOVERY	100	/* minimum 25 is insufficient */
#define PD_T_SRCSWAPSTDBY	625	/* Maximum of 650ms */
#define PD_T_NEWSRC		250	/* Maximum of 275ms */
#define PD_T_SWAP_SRC_START	20	/* Minimum of 20ms */
#define PD_T_BIST_CONT_MODE	50	/* 30 - 60 ms */
#define PD_T_SINK_TX		16	/* 16 - 20 ms */
#define PD_T_CHUNK_NOT_SUPP	42	/* 40 - 50 ms */

#define PD_T_DRP_TRY		100	/* 75 - 150 ms */
#define PD_T_DRP_TRYWAIT	600	/* 400 - 800 ms */

#define PD_T_CC_DEBOUNCE	200	/* 100 - 200 ms */
#define PD_T_PD_DEBOUNCE	20	/* 10 - 20 ms */
#define PD_T_TRY_CC_DEBOUNCE	15	/* 10 - 20 ms */

#define PD_N_CAPS_COUNT		(PD_T_NO_RESPONSE / PD_T_SEND_SOURCE_CAP)
#define PD_N_HARD_RESET_COUNT	2

#define PD_P_SNK_STDBY_MW	2500	/* 2500 mW */

#if IS_ENABLED(CONFIG_TYPEC)

struct usb_power_delivery;

/**
 * usb_power_delivery_desc - USB Power Delivery Descriptor
 * @revision: USB Power Delivery Specification Revision
 * @version: USB Power Delivery Specicication Version - optional
 */
struct usb_power_delivery_desc {
	u16 revision;
	u16 version;
};

/**
 * usb_power_delivery_capabilities_desc - Description of USB Power Delivery Capabilities Message
 * @pdo: The Power Data Objects in the Capability Message
 * @role: Power role of the capabilities
 */
struct usb_power_delivery_capabilities_desc {
	u32 pdo[PDO_MAX_OBJECTS];
	enum typec_role role;
};

struct usb_power_delivery_capabilities *
usb_power_delivery_register_capabilities(struct usb_power_delivery *pd,
					 struct usb_power_delivery_capabilities_desc *desc);
void usb_power_delivery_unregister_capabilities(struct usb_power_delivery_capabilities *cap);

struct usb_power_delivery *usb_power_delivery_register(struct device *parent,
						       struct usb_power_delivery_desc *desc);
void usb_power_delivery_unregister(struct usb_power_delivery *pd);

int usb_power_delivery_link_device(struct usb_power_delivery *pd, struct device *dev);
void usb_power_delivery_unlink_device(struct usb_power_delivery *pd, struct device *dev);

#endif /* CONFIG_TYPEC */

#endif /* __LINUX_USB_PD_H */