summaryrefslogtreecommitdiff
path: root/include/linux/usb/pd_vdo.h
blob: 3a747938cdab499ad77607aebfbddb38a0c09026 (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
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright 2015-2017 Google, Inc
 */

#ifndef __LINUX_USB_PD_VDO_H
#define __LINUX_USB_PD_VDO_H

#include "pd.h"

/*
 * VDO : Vendor Defined Message Object
 * VDM object is minimum of VDM header + 6 additional data objects.
 */

#define VDO_MAX_OBJECTS		6
#define VDO_MAX_SIZE		(VDO_MAX_OBJECTS + 1)

/*
 * VDM header
 * ----------
 * <31:16>  :: SVID
 * <15>     :: VDM type ( 1b == structured, 0b == unstructured )
 * <14:13>  :: Structured VDM version
 * <12:11>  :: reserved
 * <10:8>   :: object position (1-7 valid ... used for enter/exit mode only)
 * <7:6>    :: command type (SVDM only?)
 * <5>      :: reserved (SVDM), command type (UVDM)
 * <4:0>    :: command
 */
#define VDO(vid, type, ver, custom)			\
	(((vid) << 16) |				\
	 ((type) << 15) |				\
	 ((ver) << 13) |				\
	 ((custom) & 0x7FFF))

#define VDO_SVDM_TYPE		(1 << 15)
#define VDO_SVDM_VERS(x)	((x) << 13)
#define VDO_OPOS(x)		((x) << 8)
#define VDO_CMDT(x)		((x) << 6)
#define VDO_SVDM_VERS_MASK	VDO_SVDM_VERS(0x3)
#define VDO_OPOS_MASK		VDO_OPOS(0x7)
#define VDO_CMDT_MASK		VDO_CMDT(0x3)

#define CMDT_INIT		0
#define CMDT_RSP_ACK		1
#define CMDT_RSP_NAK		2
#define CMDT_RSP_BUSY		3

/* reserved for SVDM ... for Google UVDM */
#define VDO_SRC_INITIATOR	(0 << 5)
#define VDO_SRC_RESPONDER	(1 << 5)

#define CMD_DISCOVER_IDENT	1
#define CMD_DISCOVER_SVID	2
#define CMD_DISCOVER_MODES	3
#define CMD_ENTER_MODE		4
#define CMD_EXIT_MODE		5
#define CMD_ATTENTION		6

#define VDO_CMD_VENDOR(x)    (((0x10 + (x)) & 0x1f))

/* ChromeOS specific commands */
#define VDO_CMD_VERSION		VDO_CMD_VENDOR(0)
#define VDO_CMD_SEND_INFO	VDO_CMD_VENDOR(1)
#define VDO_CMD_READ_INFO	VDO_CMD_VENDOR(2)
#define VDO_CMD_REBOOT		VDO_CMD_VENDOR(5)
#define VDO_CMD_FLASH_ERASE	VDO_CMD_VENDOR(6)
#define VDO_CMD_FLASH_WRITE	VDO_CMD_VENDOR(7)
#define VDO_CMD_ERASE_SIG	VDO_CMD_VENDOR(8)
#define VDO_CMD_PING_ENABLE	VDO_CMD_VENDOR(10)
#define VDO_CMD_CURRENT		VDO_CMD_VENDOR(11)
#define VDO_CMD_FLIP		VDO_CMD_VENDOR(12)
#define VDO_CMD_GET_LOG		VDO_CMD_VENDOR(13)
#define VDO_CMD_CCD_EN		VDO_CMD_VENDOR(14)

#define PD_VDO_VID(vdo)		((vdo) >> 16)
#define PD_VDO_SVDM(vdo)	(((vdo) >> 15) & 1)
#define PD_VDO_SVDM_VER(vdo)	(((vdo) >> 13) & 0x3)
#define PD_VDO_OPOS(vdo)	(((vdo) >> 8) & 0x7)
#define PD_VDO_CMD(vdo)		((vdo) & 0x1f)
#define PD_VDO_CMDT(vdo)	(((vdo) >> 6) & 0x3)

/*
 * SVDM Identity request -> response
 *
 * Request is simply properly formatted SVDM header
 *
 * Response is 4 data objects:
 * [0] :: SVDM header
 * [1] :: Identitiy header
 * [2] :: Cert Stat VDO
 * [3] :: (Product | Cable) VDO
 * [4] :: AMA VDO
 *
 */
#define VDO_INDEX_HDR		0
#define VDO_INDEX_IDH		1
#define VDO_INDEX_CSTAT		2
#define VDO_INDEX_CABLE		3
#define VDO_INDEX_PRODUCT	3
#define VDO_INDEX_AMA		4

/*
 * SVDM Identity Header
 * --------------------
 * <31>     :: data capable as a USB host
 * <30>     :: data capable as a USB device
 * <29:27>  :: product type (UFP / Cable / VPD)
 * <26>     :: modal operation supported (1b == yes)
 * <25:23>  :: product type (DFP) (SVDM version 2.0+ only; set to zero in version 1.0)
 * <22:21>  :: connector type (SVDM version 2.0+ only; set to zero in version 1.0)
 * <20:16>  :: Reserved, Shall be set to zero
 * <15:0>   :: USB-IF assigned VID for this cable vendor
 */

/* PD Rev2.0 definition */
#define IDH_PTYPE_UNDEF		0

/* SOP Product Type (UFP) */
#define IDH_PTYPE_NOT_UFP	0
#define IDH_PTYPE_HUB		1
#define IDH_PTYPE_PERIPH	2
#define IDH_PTYPE_PSD		3
#define IDH_PTYPE_AMA		5

/* SOP' Product Type (Cable Plug / VPD) */
#define IDH_PTYPE_NOT_CABLE	0
#define IDH_PTYPE_PCABLE	3
#define IDH_PTYPE_ACABLE	4
#define IDH_PTYPE_VPD		6

/* SOP Product Type (DFP) */
#define IDH_PTYPE_NOT_DFP	0
#define IDH_PTYPE_DFP_HUB	1
#define IDH_PTYPE_DFP_HOST	2
#define IDH_PTYPE_DFP_PB	3

/* ID Header Mask */
#define IDH_DFP_MASK		GENMASK(25, 23)
#define IDH_CONN_MASK		GENMASK(22, 21)

#define VDO_IDH(usbh, usbd, ufp_cable, is_modal, dfp, conn, vid)		\
	((usbh) << 31 | (usbd) << 30 | ((ufp_cable) & 0x7) << 27		\
	 | (is_modal) << 26 | ((dfp) & 0x7) << 23 | ((conn) & 0x3) << 21	\
	 | ((vid) & 0xffff))

#define PD_IDH_PTYPE(vdo)	(((vdo) >> 27) & 0x7)
#define PD_IDH_VID(vdo)		((vdo) & 0xffff)
#define PD_IDH_MODAL_SUPP(vdo)	((vdo) & (1 << 26))
#define PD_IDH_DFP_PTYPE(vdo)	(((vdo) >> 23) & 0x7)
#define PD_IDH_CONN_TYPE(vdo)	(((vdo) >> 21) & 0x3)

/*
 * Cert Stat VDO
 * -------------
 * <31:0>  : USB-IF assigned XID for this cable
 */
#define PD_CSTAT_XID(vdo)	(vdo)
#define VDO_CERT(xid)		((xid) & 0xffffffff)

/*
 * Product VDO
 * -----------
 * <31:16> : USB Product ID
 * <15:0>  : USB bcdDevice
 */
#define VDO_PRODUCT(pid, bcd)	(((pid) & 0xffff) << 16 | ((bcd) & 0xffff))
#define PD_PRODUCT_PID(vdo)	(((vdo) >> 16) & 0xffff)

/*
 * UFP VDO (PD Revision 3.0+ only)
 * --------
 * <31:29> :: UFP VDO version
 * <28>    :: Reserved
 * <27:24> :: Device capability
 * <23:22> :: Connector type (10b == receptacle, 11b == captive plug)
 * <21:11> :: Reserved
 * <10:8>  :: Vconn power (AMA only)
 * <7>     :: Vconn required (AMA only, 0b == no, 1b == yes)
 * <6>     :: Vbus required (AMA only, 0b == yes, 1b == no)
 * <5:3>   :: Alternate modes
 * <2:0>   :: USB highest speed
 */
#define PD_VDO_UFP_DEVCAP(vdo)	(((vdo) & GENMASK(27, 24)) >> 24)

/* UFP VDO Version */
#define UFP_VDO_VER1_2		2

/* Device Capability */
#define DEV_USB2_CAPABLE	BIT(0)
#define DEV_USB2_BILLBOARD	BIT(1)
#define DEV_USB3_CAPABLE	BIT(2)
#define DEV_USB4_CAPABLE	BIT(3)

/* Connector Type */
#define UFP_RECEPTACLE		2
#define UFP_CAPTIVE		3

/* Vconn Power (AMA only, set to AMA_VCONN_NOT_REQ if Vconn is not required) */
#define AMA_VCONN_PWR_1W	0
#define AMA_VCONN_PWR_1W5	1
#define AMA_VCONN_PWR_2W	2
#define AMA_VCONN_PWR_3W	3
#define AMA_VCONN_PWR_4W	4
#define AMA_VCONN_PWR_5W	5
#define AMA_VCONN_PWR_6W	6

/* Vconn Required (AMA only) */
#define AMA_VCONN_NOT_REQ	0
#define AMA_VCONN_REQ		1

/* Vbus Required (AMA only) */
#define AMA_VBUS_REQ		0
#define AMA_VBUS_NOT_REQ	1

/* Alternate Modes */
#define UFP_ALTMODE_NOT_SUPP	0
#define UFP_ALTMODE_TBT3	BIT(0)
#define UFP_ALTMODE_RECFG	BIT(1)
#define UFP_ALTMODE_NO_RECFG	BIT(2)

/* USB Highest Speed */
#define UFP_USB2_ONLY		0
#define UFP_USB32_GEN1		1
#define UFP_USB32_4_GEN2	2
#define UFP_USB4_GEN3		3

#define VDO_UFP(ver, cap, conn, vcpwr, vcr, vbr, alt, spd)			\
	(((ver) & 0x7) << 29 | ((cap) & 0xf) << 24 | ((conn) & 0x3) << 22	\
	 | ((vcpwr) & 0x7) << 8 | (vcr) << 7 | (vbr) << 6 | ((alt) & 0x7) << 3	\
	 | ((spd) & 0x7))

/*
 * DFP VDO (PD Revision 3.0+ only)
 * --------
 * <31:29> :: DFP VDO version
 * <28:27> :: Reserved
 * <26:24> :: Host capability
 * <23:22> :: Connector type (10b == receptacle, 11b == captive plug)
 * <21:5>  :: Reserved
 * <4:0>   :: Port number
 */
#define PD_VDO_DFP_HOSTCAP(vdo)	(((vdo) & GENMASK(26, 24)) >> 24)

#define DFP_VDO_VER1_1		1
#define HOST_USB2_CAPABLE	BIT(0)
#define HOST_USB3_CAPABLE	BIT(1)
#define HOST_USB4_CAPABLE	BIT(2)
#define DFP_RECEPTACLE		2
#define DFP_CAPTIVE		3

#define VDO_DFP(ver, cap, conn, pnum)						\
	(((ver) & 0x7) << 29 | ((cap) & 0x7) << 24 | ((conn) & 0x3) << 22	\
	 | ((pnum) & 0x1f))

/*
 * Cable VDO (for both Passive and Active Cable VDO in PD Rev2.0)
 * ---------
 * <31:28> :: Cable HW version
 * <27:24> :: Cable FW version
 * <23:20> :: Reserved, Shall be set to zero
 * <19:18> :: type-C to Type-A/B/C/Captive (00b == A, 01 == B, 10 == C, 11 == Captive)
 * <17>    :: Reserved, Shall be set to zero
 * <16:13> :: cable latency (0001 == <10ns(~1m length))
 * <12:11> :: cable termination type (11b == both ends active VCONN req)
 * <10>    :: SSTX1 Directionality support (0b == fixed, 1b == cfgable)
 * <9>     :: SSTX2 Directionality support
 * <8>     :: SSRX1 Directionality support
 * <7>     :: SSRX2 Directionality support
 * <6:5>   :: Vbus current handling capability (01b == 3A, 10b == 5A)
 * <4>     :: Vbus through cable (0b == no, 1b == yes)
 * <3>     :: SOP" controller present? (0b == no, 1b == yes)
 * <2:0>   :: USB SS Signaling support
 *
 * Passive Cable VDO (PD Rev3.0+)
 * ---------
 * <31:28> :: Cable HW version
 * <27:24> :: Cable FW version
 * <23:21> :: VDO version
 * <20>    :: Reserved, Shall be set to zero
 * <19:18> :: Type-C to Type-C/Captive (10b == C, 11b == Captive)
 * <17>    :: Reserved, Shall be set to zero
 * <16:13> :: cable latency (0001 == <10ns(~1m length))
 * <12:11> :: cable termination type (10b == Vconn not req, 01b == Vconn req)
 * <10:9>  :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
 * <8:7>   :: Reserved, Shall be set to zero
 * <6:5>   :: Vbus current handling capability (01b == 3A, 10b == 5A)
 * <4:3>   :: Reserved, Shall be set to zero
 * <2:0>   :: USB highest speed
 *
 * Active Cable VDO 1 (PD Rev3.0+)
 * ---------
 * <31:28> :: Cable HW version
 * <27:24> :: Cable FW version
 * <23:21> :: VDO version
 * <20>    :: Reserved, Shall be set to zero
 * <19:18> :: Connector type (10b == C, 11b == Captive)
 * <17>    :: Reserved, Shall be set to zero
 * <16:13> :: cable latency (0001 == <10ns(~1m length))
 * <12:11> :: cable termination type (10b == one end active, 11b == both ends active VCONN req)
 * <10:9>  :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
 * <8>     :: SBU supported (0b == supported, 1b == not supported)
 * <7>     :: SBU type (0b == passive, 1b == active)
 * <6:5>   :: Vbus current handling capability (01b == 3A, 10b == 5A)
 * <4>     :: Vbus through cable (0b == no, 1b == yes)
 * <3>     :: SOP" controller present? (0b == no, 1b == yes)
 * <2:0>   :: USB highest speed
 */
/* Cable VDO Version */
#define CABLE_VDO_VER1_0	0
#define CABLE_VDO_VER1_3	3

/* Connector Type (_ATYPE and _BTYPE are for PD Rev2.0 only) */
#define CABLE_ATYPE		0
#define CABLE_BTYPE		1
#define CABLE_CTYPE		2
#define CABLE_CAPTIVE		3

/* Cable Latency */
#define CABLE_LATENCY_1M	1
#define CABLE_LATENCY_2M	2
#define CABLE_LATENCY_3M	3
#define CABLE_LATENCY_4M	4
#define CABLE_LATENCY_5M	5
#define CABLE_LATENCY_6M	6
#define CABLE_LATENCY_7M	7
#define CABLE_LATENCY_7M_PLUS	8

/* Cable Termination Type */
#define PCABLE_VCONN_NOT_REQ	0
#define PCABLE_VCONN_REQ	1
#define ACABLE_ONE_END		2
#define ACABLE_BOTH_END		3

/* Maximum Vbus Voltage */
#define CABLE_MAX_VBUS_20V	0
#define CABLE_MAX_VBUS_30V	1
#define CABLE_MAX_VBUS_40V	2
#define CABLE_MAX_VBUS_50V	3

/* Active Cable SBU Supported/Type */
#define ACABLE_SBU_SUPP		0
#define ACABLE_SBU_NOT_SUPP	1
#define ACABLE_SBU_PASSIVE	0
#define ACABLE_SBU_ACTIVE	1

/* Vbus Current Handling Capability */
#define CABLE_CURR_DEF		0
#define CABLE_CURR_3A		1
#define CABLE_CURR_5A		2

/* USB SuperSpeed Signaling Support (PD Rev2.0) */
#define CABLE_USBSS_U2_ONLY	0
#define CABLE_USBSS_U31_GEN1	1
#define CABLE_USBSS_U31_GEN2	2

/* USB Highest Speed */
#define CABLE_USB2_ONLY		0
#define CABLE_USB32_GEN1	1
#define CABLE_USB32_4_GEN2	2
#define CABLE_USB4_GEN3		3

#define VDO_CABLE(hw, fw, cbl, lat, term, tx1d, tx2d, rx1d, rx2d, cur, vps, sopp, usbss) \
	(((hw) & 0x7) << 28 | ((fw) & 0x7) << 24 | ((cbl) & 0x3) << 18		\
	 | ((lat) & 0x7) << 13 | ((term) & 0x3) << 11 | (tx1d) << 10		\
	 | (tx2d) << 9 | (rx1d) << 8 | (rx2d) << 7 | ((cur) & 0x3) << 5		\
	 | (vps) << 4 | (sopp) << 3 | ((usbss) & 0x7))
#define VDO_PCABLE(hw, fw, ver, conn, lat, term, vbm, cur, spd)			\
	(((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21		\
	 | ((conn) & 0x3) << 18 | ((lat) & 0xf) << 13 | ((term) & 0x3) << 11	\
	 | ((vbm) & 0x3) << 9 | ((cur) & 0x3) << 5 | ((spd) & 0x7))
#define VDO_ACABLE1(hw, fw, ver, conn, lat, term, vbm, sbu, sbut, cur, vbt, sopp, spd) \
	(((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21		\
	 | ((conn) & 0x3) << 18	| ((lat) & 0xf) << 13 | ((term) & 0x3) << 11	\
	 | ((vbm) & 0x3) << 9 | (sbu) << 8 | (sbut) << 7 | ((cur) & 0x3) << 5	\
	 | (vbt) << 4 | (sopp) << 3 | ((spd) & 0x7))

#define VDO_TYPEC_CABLE_SPEED(vdo)	((vdo) & 0x7)
#define VDO_TYPEC_CABLE_TYPE(vdo)	(((vdo) >> 18) & 0x3)

/*
 * Active Cable VDO 2
 * ---------
 * <31:24> :: Maximum operating temperature
 * <23:16> :: Shutdown temperature
 * <15>    :: Reserved, Shall be set to zero
 * <14:12> :: U3/CLd power
 * <11>    :: U3 to U0 transition mode (0b == direct, 1b == through U3S)
 * <10>    :: Physical connection (0b == copper, 1b == optical)
 * <9>     :: Active element (0b == redriver, 1b == retimer)
 * <8>     :: USB4 supported (0b == yes, 1b == no)
 * <7:6>   :: USB2 hub hops consumed
 * <5>     :: USB2 supported (0b == yes, 1b == no)
 * <4>     :: USB3.2 supported (0b == yes, 1b == no)
 * <3>     :: USB lanes supported (0b == one lane, 1b == two lanes)
 * <2>     :: Optically isolated active cable (0b == no, 1b == yes)
 * <1>     :: Reserved, Shall be set to zero
 * <0>     :: USB gen (0b == gen1, 1b == gen2+)
 */
/* U3/CLd Power*/
#define ACAB2_U3_CLD_10MW_PLUS	0
#define ACAB2_U3_CLD_10MW	1
#define ACAB2_U3_CLD_5MW	2
#define ACAB2_U3_CLD_1MW	3
#define ACAB2_U3_CLD_500UW	4
#define ACAB2_U3_CLD_200UW	5
#define ACAB2_U3_CLD_50UW	6

/* Other Active Cable VDO 2 Fields */
#define ACAB2_U3U0_DIRECT	0
#define ACAB2_U3U0_U3S		1
#define ACAB2_PHY_COPPER	0
#define ACAB2_PHY_OPTICAL	1
#define ACAB2_REDRIVER		0
#define ACAB2_RETIMER		1
#define ACAB2_USB4_SUPP		0
#define ACAB2_USB4_NOT_SUPP	1
#define ACAB2_USB2_SUPP		0
#define ACAB2_USB2_NOT_SUPP	1
#define ACAB2_USB32_SUPP	0
#define ACAB2_USB32_NOT_SUPP	1
#define ACAB2_LANES_ONE		0
#define ACAB2_LANES_TWO		1
#define ACAB2_OPT_ISO_NO	0
#define ACAB2_OPT_ISO_YES	1
#define ACAB2_GEN_1		0
#define ACAB2_GEN_2_PLUS	1

#define VDO_ACABLE2(mtemp, stemp, u3p, trans, phy, ele, u4, hops, u2, u32, lane, iso, gen)	\
	(((mtemp) & 0xff) << 24 | ((stemp) & 0xff) << 16 | ((u3p) & 0x7) << 12	\
	 | (trans) << 11 | (phy) << 10 | (ele) << 9 | (u4) << 8			\
	 | ((hops) & 0x3) << 6 | (u2) << 5 | (u32) << 4 | (lane) << 3		\
	 | (iso) << 2 | (gen))

/*
 * AMA VDO (PD Rev2.0)
 * ---------
 * <31:28> :: Cable HW version
 * <27:24> :: Cable FW version
 * <23:12> :: Reserved, Shall be set to zero
 * <11>    :: SSTX1 Directionality support (0b == fixed, 1b == cfgable)
 * <10>    :: SSTX2 Directionality support
 * <9>     :: SSRX1 Directionality support
 * <8>     :: SSRX2 Directionality support
 * <7:5>   :: Vconn power
 * <4>     :: Vconn power required
 * <3>     :: Vbus power required
 * <2:0>   :: USB SS Signaling support
 */
#define VDO_AMA(hw, fw, tx1d, tx2d, rx1d, rx2d, vcpwr, vcr, vbr, usbss) \
	(((hw) & 0x7) << 28 | ((fw) & 0x7) << 24			\
	 | (tx1d) << 11 | (tx2d) << 10 | (rx1d) << 9 | (rx2d) << 8	\
	 | ((vcpwr) & 0x7) << 5 | (vcr) << 4 | (vbr) << 3		\
	 | ((usbss) & 0x7))

#define PD_VDO_AMA_VCONN_REQ(vdo)	(((vdo) >> 4) & 1)
#define PD_VDO_AMA_VBUS_REQ(vdo)	(((vdo) >> 3) & 1)

#define AMA_USBSS_U2_ONLY	0
#define AMA_USBSS_U31_GEN1	1
#define AMA_USBSS_U31_GEN2	2
#define AMA_USBSS_BBONLY	3

/*
 * VPD VDO
 * ---------
 * <31:28> :: HW version
 * <27:24> :: FW version
 * <23:21> :: VDO version
 * <20:17> :: Reserved, Shall be set to zero
 * <16:15> :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
 * <14>    :: Charge through current support (0b == 3A, 1b == 5A)
 * <13>    :: Reserved, Shall be set to zero
 * <12:7>  :: Vbus impedance
 * <6:1>   :: Ground impedance
 * <0>     :: Charge through support (0b == no, 1b == yes)
 */
#define VPD_VDO_VER1_0		0
#define VPD_MAX_VBUS_20V	0
#define VPD_MAX_VBUS_30V	1
#define VPD_MAX_VBUS_40V	2
#define VPD_MAX_VBUS_50V	3
#define VPDCT_CURR_3A		0
#define VPDCT_CURR_5A		1
#define VPDCT_NOT_SUPP		0
#define VPDCT_SUPP		1

#define VDO_VPD(hw, fw, ver, vbm, curr, vbi, gi, ct)			\
	(((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21	\
	 | ((vbm) & 0x3) << 15 | (curr) << 14 | ((vbi) & 0x3f) << 7	\
	 | ((gi) & 0x3f) << 1 | (ct))

/*
 * SVDM Discover SVIDs request -> response
 *
 * Request is properly formatted VDM Header with discover SVIDs command.
 * Response is a set of SVIDs of all supported SVIDs with all zero's to
 * mark the end of SVIDs.  If more than 12 SVIDs are supported command SHOULD be
 * repeated.
 */
#define VDO_SVID(svid0, svid1)	(((svid0) & 0xffff) << 16 | ((svid1) & 0xffff))
#define PD_VDO_SVID_SVID0(vdo)	((vdo) >> 16)
#define PD_VDO_SVID_SVID1(vdo)	((vdo) & 0xffff)

/* USB-IF SIDs */
#define USB_SID_PD		0xff00 /* power delivery */
#define USB_SID_DISPLAYPORT	0xff01
#define USB_SID_MHL		0xff02	/* Mobile High-Definition Link */

/* VDM command timeouts (in ms) */

#define PD_T_VDM_UNSTRUCTURED	500
#define PD_T_VDM_BUSY		100
#define PD_T_VDM_WAIT_MODE_E	100
#define PD_T_VDM_SNDR_RSP	30
#define PD_T_VDM_E_MODE		25
#define PD_T_VDM_RCVR_RSP	15

#endif /* __LINUX_USB_PD_VDO_H */