pd_vdo.h

  1/* SPDX-License-Identifier: GPL-2.0-or-later */
  2/*
  3 * Copyright 2015-2017 Google, Inc
  4 */
  5
  6#ifndef __LINUX_USB_PD_VDO_H
  7#define __LINUX_USB_PD_VDO_H
  8
  9#include "pd.h"
 10#include <linux/bitfield.h>
 11
 12/*
 13 * VDO : Vendor Defined Message Object
 14 * VDM object is minimum of VDM header + 6 additional data objects.
 15 */
 16
 17#define VDO_MAX_OBJECTS		6
 18#define VDO_MAX_SIZE		(VDO_MAX_OBJECTS + 1)
 19
 20/*
 21 * VDM header
 22 * ----------
 23 * <31:16>  :: SVID
 24 * <15>     :: VDM type ( 1b == structured, 0b == unstructured )
 25 * <14:13>  :: Structured VDM version
 26 * <12:11>  :: reserved
 27 * <10:8>   :: object position (1-7 valid ... used for enter/exit mode only)
 28 * <7:6>    :: command type (SVDM only?)
 29 * <5>      :: reserved (SVDM), command type (UVDM)
 30 * <4:0>    :: command
 31 */
 32#define VDO(vid, type, ver, custom)			\
 33	(((vid) << 16) |				\
 34	 ((type) << 15) |				\
 35	 ((ver) << 13) |				\
 36	 ((custom) & 0x7FFF))
 37
 38#define VDO_SVDM_TYPE		(1 << 15)
 39#define VDO_SVDM_VERS(x)	((x) << 13)
 40#define VDO_OPOS(x)		((x) << 8)
 41#define VDO_CMDT(x)		((x) << 6)
 42#define VDO_SVDM_VERS_MASK	VDO_SVDM_VERS(0x3)
 43#define VDO_OPOS_MASK		VDO_OPOS(0x7)
 44#define VDO_CMDT_MASK		VDO_CMDT(0x3)
 45
 46#define CMDT_INIT		0
 47#define CMDT_RSP_ACK		1
 48#define CMDT_RSP_NAK		2
 49#define CMDT_RSP_BUSY		3
 50
 51/* reserved for SVDM ... for Google UVDM */
 52#define VDO_SRC_INITIATOR	(0 << 5)
 53#define VDO_SRC_RESPONDER	(1 << 5)
 54
 55#define CMD_DISCOVER_IDENT	1
 56#define CMD_DISCOVER_SVID	2
 57#define CMD_DISCOVER_MODES	3
 58#define CMD_ENTER_MODE		4
 59#define CMD_EXIT_MODE		5
 60#define CMD_ATTENTION		6
 61
 62#define VDO_CMD_VENDOR(x)    (((0x10 + (x)) & 0x1f))
 63
 64/* ChromeOS specific commands */
 65#define VDO_CMD_VERSION		VDO_CMD_VENDOR(0)
 66#define VDO_CMD_SEND_INFO	VDO_CMD_VENDOR(1)
 67#define VDO_CMD_READ_INFO	VDO_CMD_VENDOR(2)
 68#define VDO_CMD_REBOOT		VDO_CMD_VENDOR(5)
 69#define VDO_CMD_FLASH_ERASE	VDO_CMD_VENDOR(6)
 70#define VDO_CMD_FLASH_WRITE	VDO_CMD_VENDOR(7)
 71#define VDO_CMD_ERASE_SIG	VDO_CMD_VENDOR(8)
 72#define VDO_CMD_PING_ENABLE	VDO_CMD_VENDOR(10)
 73#define VDO_CMD_CURRENT		VDO_CMD_VENDOR(11)
 74#define VDO_CMD_FLIP		VDO_CMD_VENDOR(12)
 75#define VDO_CMD_GET_LOG		VDO_CMD_VENDOR(13)
 76#define VDO_CMD_CCD_EN		VDO_CMD_VENDOR(14)
 77
 78#define PD_VDO_VID(vdo)		((vdo) >> 16)
 79#define PD_VDO_SVDM(vdo)	(((vdo) >> 15) & 1)
 80#define PD_VDO_SVDM_VER(vdo)	(((vdo) >> 13) & 0x3)
 81#define PD_VDO_OPOS(vdo)	(((vdo) >> 8) & 0x7)
 82#define PD_VDO_CMD(vdo)		((vdo) & 0x1f)
 83#define PD_VDO_CMDT(vdo)	(((vdo) >> 6) & 0x3)
 84
 85/*
 86 * SVDM Identity request -> response
 87 *
 88 * Request is simply properly formatted SVDM header
 89 *
 90 * Response is 4 data objects for Power Delivery 2.0 and Passive Cables for
 91 * Power Delivery 3.0. Active Cables in Power Delivery 3.0 have 5 data objects.
 92 * [0] :: SVDM header
 93 * [1] :: Identitiy header
 94 * [2] :: Cert Stat VDO
 95 * [3] :: (Product | Cable) VDO
 96 * [4] :: Cable VDO 1
 97 * [4] :: AMA VDO
 98 * [5] :: Cable VDO 2
 99 *
100 */
101#define VDO_INDEX_HDR		0
102#define VDO_INDEX_IDH		1
103#define VDO_INDEX_CSTAT		2
104#define VDO_INDEX_CABLE		3
105#define VDO_INDEX_PRODUCT	3
106#define VDO_INDEX_AMA		4
107#define VDO_INDEX_CABLE_1	4
108#define VDO_INDEX_CABLE_2	5
109
110/*
111 * SVDM Identity Header
112 * --------------------
113 * <31>     :: data capable as a USB host
114 * <30>     :: data capable as a USB device
115 * <29:27>  :: product type (UFP / Cable / VPD)
116 * <26>     :: modal operation supported (1b == yes)
117 * <25:23>  :: product type (DFP) (SVDM version 2.0+ only; set to zero in version 1.0)
118 * <22:21>  :: connector type (SVDM version 2.0+ only; set to zero in version 1.0)
119 * <20:16>  :: Reserved, Shall be set to zero
120 * <15:0>   :: USB-IF assigned VID for this cable vendor
121 */
122
123/* PD Rev2.0 definition */
124#define IDH_PTYPE_UNDEF		0
125
126/* SOP Product Type (UFP) */
127#define IDH_PTYPE_NOT_UFP	0
128#define IDH_PTYPE_HUB		1
129#define IDH_PTYPE_PERIPH	2
130#define IDH_PTYPE_PSD		3
131#define IDH_PTYPE_AMA		5
132
133/* SOP' Product Type (Cable Plug / VPD) */
134#define IDH_PTYPE_NOT_CABLE	0
135#define IDH_PTYPE_PCABLE	3
136#define IDH_PTYPE_ACABLE	4
137#define IDH_PTYPE_VPD		6
138
139/* SOP Product Type (DFP) */
140#define IDH_PTYPE_NOT_DFP	0
141#define IDH_PTYPE_DFP_HUB	1
142#define IDH_PTYPE_DFP_HOST	2
143#define IDH_PTYPE_DFP_PB	3
144
145/* ID Header Mask */
146#define IDH_DFP_MASK		GENMASK(25, 23)
147#define IDH_CONN_MASK		GENMASK(22, 21)
148
149#define VDO_IDH(usbh, usbd, ufp_cable, is_modal, dfp, conn, vid)		\
150	((usbh) << 31 | (usbd) << 30 | ((ufp_cable) & 0x7) << 27		\
151	 | (is_modal) << 26 | ((dfp) & 0x7) << 23 | ((conn) & 0x3) << 21	\
152	 | ((vid) & 0xffff))
153
154#define PD_IDH_PTYPE(vdo)	(((vdo) >> 27) & 0x7)
155#define PD_IDH_VID(vdo)		((vdo) & 0xffff)
156#define PD_IDH_MODAL_SUPP(vdo)	((vdo) & (1 << 26))
157#define PD_IDH_DFP_PTYPE(vdo)	(((vdo) >> 23) & 0x7)
158#define PD_IDH_CONN_TYPE(vdo)	(((vdo) >> 21) & 0x3)
159#define PD_IDH_HOST_SUPP(vdo)  ((vdo) & (1 << 31))
160
161/*
162 * Cert Stat VDO
163 * -------------
164 * <31:0>  : USB-IF assigned XID for this cable
165 */
166#define PD_CSTAT_XID(vdo)	(vdo)
167#define VDO_CERT(xid)		((xid) & 0xffffffff)
168
169/*
170 * Product VDO
171 * -----------
172 * <31:16> : USB Product ID
173 * <15:0>  : USB bcdDevice
174 */
175#define VDO_PRODUCT(pid, bcd)	(((pid) & 0xffff) << 16 | ((bcd) & 0xffff))
176#define PD_PRODUCT_PID(vdo)	(((vdo) >> 16) & 0xffff)
177
178/*
179 * UFP VDO (PD Revision 3.0+ only)
180 * --------
181 * <31:29> :: UFP VDO version
182 * <28>    :: Reserved
183 * <27:24> :: Device capability
184 * <23:22> :: Connector type (10b == receptacle, 11b == captive plug)
185 * <21:11> :: Reserved
186 * <10:8>  :: Vconn power (AMA only)
187 * <7>     :: Vconn required (AMA only, 0b == no, 1b == yes)
188 * <6>     :: Vbus required (AMA only, 0b == yes, 1b == no)
189 * <5:3>   :: Alternate modes
190 * <2:0>   :: USB highest speed
191 */
192#define PD_VDO_UFP_DEVCAP(vdo)	FIELD_GET(GENMASK(27, 24), vdo)
193
194/* UFP VDO Version */
195#define UFP_VDO_VER1_2		2
196
197/* Device Capability */
198#define DEV_USB2_CAPABLE	BIT(0)
199#define DEV_USB2_BILLBOARD	BIT(1)
200#define DEV_USB3_CAPABLE	BIT(2)
201#define DEV_USB4_CAPABLE	BIT(3)
202
203/* Connector Type */
204#define UFP_RECEPTACLE		2
205#define UFP_CAPTIVE		3
206
207/* Vconn Power (AMA only, set to AMA_VCONN_NOT_REQ if Vconn is not required) */
208#define AMA_VCONN_PWR_1W	0
209#define AMA_VCONN_PWR_1W5	1
210#define AMA_VCONN_PWR_2W	2
211#define AMA_VCONN_PWR_3W	3
212#define AMA_VCONN_PWR_4W	4
213#define AMA_VCONN_PWR_5W	5
214#define AMA_VCONN_PWR_6W	6
215
216/* Vconn Required (AMA only) */
217#define AMA_VCONN_NOT_REQ	0
218#define AMA_VCONN_REQ		1
219
220/* Vbus Required (AMA only) */
221#define AMA_VBUS_REQ		0
222#define AMA_VBUS_NOT_REQ	1
223
224/* Alternate Modes */
225#define UFP_ALTMODE_NOT_SUPP	0
226#define UFP_ALTMODE_TBT3	BIT(0)
227#define UFP_ALTMODE_RECFG	BIT(1)
228#define UFP_ALTMODE_NO_RECFG	BIT(2)
229
230/* USB Highest Speed */
231#define UFP_USB2_ONLY		0
232#define UFP_USB32_GEN1		1
233#define UFP_USB32_4_GEN2	2
234#define UFP_USB4_GEN3		3
235
236#define VDO_UFP(ver, cap, conn, vcpwr, vcr, vbr, alt, spd)			\
237	(((ver) & 0x7) << 29 | ((cap) & 0xf) << 24 | ((conn) & 0x3) << 22	\
238	 | ((vcpwr) & 0x7) << 8 | (vcr) << 7 | (vbr) << 6 | ((alt) & 0x7) << 3	\
239	 | ((spd) & 0x7))
240
241/*
242 * DFP VDO (PD Revision 3.0+ only)
243 * --------
244 * <31:29> :: DFP VDO version
245 * <28:27> :: Reserved
246 * <26:24> :: Host capability
247 * <23:22> :: Connector type (10b == receptacle, 11b == captive plug)
248 * <21:5>  :: Reserved
249 * <4:0>   :: Port number
250 */
251#define PD_VDO_DFP_HOSTCAP(vdo)	FIELD_GET(GENMASK(26, 24), vdo)
252
253#define DFP_VDO_VER1_1		1
254#define HOST_USB2_CAPABLE	BIT(0)
255#define HOST_USB3_CAPABLE	BIT(1)
256#define HOST_USB4_CAPABLE	BIT(2)
257#define DFP_RECEPTACLE		2
258#define DFP_CAPTIVE		3
259
260#define VDO_DFP(ver, cap, conn, pnum)						\
261	(((ver) & 0x7) << 29 | ((cap) & 0x7) << 24 | ((conn) & 0x3) << 22	\
262	 | ((pnum) & 0x1f))
263
264/*
265 * Cable VDO (for both Passive and Active Cable VDO in PD Rev2.0)
266 * ---------
267 * <31:28> :: Cable HW version
268 * <27:24> :: Cable FW version
269 * <23:20> :: Reserved, Shall be set to zero
270 * <19:18> :: type-C to Type-A/B/C/Captive (00b == A, 01 == B, 10 == C, 11 == Captive)
271 * <17>    :: Reserved, Shall be set to zero
272 * <16:13> :: cable latency (0001 == <10ns(~1m length))
273 * <12:11> :: cable termination type (11b == both ends active VCONN req)
274 * <10>    :: SSTX1 Directionality support (0b == fixed, 1b == cfgable)
275 * <9>     :: SSTX2 Directionality support
276 * <8>     :: SSRX1 Directionality support
277 * <7>     :: SSRX2 Directionality support
278 * <6:5>   :: Vbus current handling capability (01b == 3A, 10b == 5A)
279 * <4>     :: Vbus through cable (0b == no, 1b == yes)
280 * <3>     :: SOP" controller present? (0b == no, 1b == yes)
281 * <2:0>   :: USB SS Signaling support
282 *
283 * Passive Cable VDO (PD Rev3.0+)
284 * ---------
285 * <31:28> :: Cable HW version
286 * <27:24> :: Cable FW version
287 * <23:21> :: VDO version
288 * <20>    :: Reserved, Shall be set to zero
289 * <19:18> :: Type-C to Type-C/Captive (10b == C, 11b == Captive)
290 * <17>    :: Reserved, Shall be set to zero
291 * <16:13> :: cable latency (0001 == <10ns(~1m length))
292 * <12:11> :: cable termination type (10b == Vconn not req, 01b == Vconn req)
293 * <10:9>  :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
294 * <8:7>   :: Reserved, Shall be set to zero
295 * <6:5>   :: Vbus current handling capability (01b == 3A, 10b == 5A)
296 * <4:3>   :: Reserved, Shall be set to zero
297 * <2:0>   :: USB highest speed
298 *
299 * Active Cable VDO 1 (PD Rev3.0+)
300 * ---------
301 * <31:28> :: Cable HW version
302 * <27:24> :: Cable FW version
303 * <23:21> :: VDO version
304 * <20>    :: Reserved, Shall be set to zero
305 * <19:18> :: Connector type (10b == C, 11b == Captive)
306 * <17>    :: Reserved, Shall be set to zero
307 * <16:13> :: cable latency (0001 == <10ns(~1m length))
308 * <12:11> :: cable termination type (10b == one end active, 11b == both ends active VCONN req)
309 * <10:9>  :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
310 * <8>     :: SBU supported (0b == supported, 1b == not supported)
311 * <7>     :: SBU type (0b == passive, 1b == active)
312 * <6:5>   :: Vbus current handling capability (01b == 3A, 10b == 5A)
313 * <4>     :: Vbus through cable (0b == no, 1b == yes)
314 * <3>     :: SOP" controller present? (0b == no, 1b == yes)
315 * <2:0>   :: USB highest speed
316 */
317/* Cable VDO Version */
318#define CABLE_VDO_VER1_0	0
319#define CABLE_VDO_VER1_3	3
320
321/* Connector Type (_ATYPE and _BTYPE are for PD Rev2.0 only) */
322#define CABLE_ATYPE		0
323#define CABLE_BTYPE		1
324#define CABLE_CTYPE		2
325#define CABLE_CAPTIVE		3
326
327/* Cable Latency */
328#define CABLE_LATENCY_1M	1
329#define CABLE_LATENCY_2M	2
330#define CABLE_LATENCY_3M	3
331#define CABLE_LATENCY_4M	4
332#define CABLE_LATENCY_5M	5
333#define CABLE_LATENCY_6M	6
334#define CABLE_LATENCY_7M	7
335#define CABLE_LATENCY_7M_PLUS	8
336
337/* Cable Termination Type */
338#define PCABLE_VCONN_NOT_REQ	0
339#define PCABLE_VCONN_REQ	1
340#define ACABLE_ONE_END		2
341#define ACABLE_BOTH_END		3
342
343/* Maximum Vbus Voltage */
344#define CABLE_MAX_VBUS_20V	0
345#define CABLE_MAX_VBUS_30V	1
346#define CABLE_MAX_VBUS_40V	2
347#define CABLE_MAX_VBUS_50V	3
348
349/* Active Cable SBU Supported/Type */
350#define ACABLE_SBU_SUPP		0
351#define ACABLE_SBU_NOT_SUPP	1
352#define ACABLE_SBU_PASSIVE	0
353#define ACABLE_SBU_ACTIVE	1
354
355/* Vbus Current Handling Capability */
356#define CABLE_CURR_DEF		0
357#define CABLE_CURR_3A		1
358#define CABLE_CURR_5A		2
359
360/* USB SuperSpeed Signaling Support (PD Rev2.0) */
361#define CABLE_USBSS_U2_ONLY	0
362#define CABLE_USBSS_U31_GEN1	1
363#define CABLE_USBSS_U31_GEN2	2
364
365/* USB Highest Speed */
366#define CABLE_USB2_ONLY		0
367#define CABLE_USB32_GEN1	1
368#define CABLE_USB32_4_GEN2	2
369#define CABLE_USB4_GEN3		3
370
371#define VDO_CABLE(hw, fw, cbl, lat, term, tx1d, tx2d, rx1d, rx2d, cur, vps, sopp, usbss) \
372	(((hw) & 0x7) << 28 | ((fw) & 0x7) << 24 | ((cbl) & 0x3) << 18		\
373	 | ((lat) & 0x7) << 13 | ((term) & 0x3) << 11 | (tx1d) << 10		\
374	 | (tx2d) << 9 | (rx1d) << 8 | (rx2d) << 7 | ((cur) & 0x3) << 5		\
375	 | (vps) << 4 | (sopp) << 3 | ((usbss) & 0x7))
376#define VDO_PCABLE(hw, fw, ver, conn, lat, term, vbm, cur, spd)			\
377	(((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21		\
378	 | ((conn) & 0x3) << 18 | ((lat) & 0xf) << 13 | ((term) & 0x3) << 11	\
379	 | ((vbm) & 0x3) << 9 | ((cur) & 0x3) << 5 | ((spd) & 0x7))
380#define VDO_ACABLE1(hw, fw, ver, conn, lat, term, vbm, sbu, sbut, cur, vbt, sopp, spd) \
381	(((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21		\
382	 | ((conn) & 0x3) << 18	| ((lat) & 0xf) << 13 | ((term) & 0x3) << 11	\
383	 | ((vbm) & 0x3) << 9 | (sbu) << 8 | (sbut) << 7 | ((cur) & 0x3) << 5	\
384	 | (vbt) << 4 | (sopp) << 3 | ((spd) & 0x7))
385
386#define VDO_TYPEC_CABLE_SPEED(vdo)	((vdo) & 0x7)
387#define VDO_TYPEC_CABLE_TYPE(vdo)	(((vdo) >> 18) & 0x3)
388
389/*
390 * Active Cable VDO 2
391 * ---------
392 * <31:24> :: Maximum operating temperature
393 * <23:16> :: Shutdown temperature
394 * <15>    :: Reserved, Shall be set to zero
395 * <14:12> :: U3/CLd power
396 * <11>    :: U3 to U0 transition mode (0b == direct, 1b == through U3S)
397 * <10>    :: Physical connection (0b == copper, 1b == optical)
398 * <9>     :: Active element (0b == redriver, 1b == retimer)
399 * <8>     :: USB4 supported (0b == yes, 1b == no)
400 * <7:6>   :: USB2 hub hops consumed
401 * <5>     :: USB2 supported (0b == yes, 1b == no)
402 * <4>     :: USB3.2 supported (0b == yes, 1b == no)
403 * <3>     :: USB lanes supported (0b == one lane, 1b == two lanes)
404 * <2>     :: Optically isolated active cable (0b == no, 1b == yes)
405 * <1>     :: Reserved, Shall be set to zero
406 * <0>     :: USB gen (0b == gen1, 1b == gen2+)
407 */
408/* U3/CLd Power*/
409#define ACAB2_U3_CLD_10MW_PLUS	0
410#define ACAB2_U3_CLD_10MW	1
411#define ACAB2_U3_CLD_5MW	2
412#define ACAB2_U3_CLD_1MW	3
413#define ACAB2_U3_CLD_500UW	4
414#define ACAB2_U3_CLD_200UW	5
415#define ACAB2_U3_CLD_50UW	6
416
417/* Other Active Cable VDO 2 Fields */
418#define ACAB2_U3U0_DIRECT	0
419#define ACAB2_U3U0_U3S		1
420#define ACAB2_PHY_COPPER	0
421#define ACAB2_PHY_OPTICAL	1
422#define ACAB2_REDRIVER		0
423#define ACAB2_RETIMER		1
424#define ACAB2_USB4_SUPP		0
425#define ACAB2_USB4_NOT_SUPP	1
426#define ACAB2_USB2_SUPP		0
427#define ACAB2_USB2_NOT_SUPP	1
428#define ACAB2_USB32_SUPP	0
429#define ACAB2_USB32_NOT_SUPP	1
430#define ACAB2_LANES_ONE		0
431#define ACAB2_LANES_TWO		1
432#define ACAB2_OPT_ISO_NO	0
433#define ACAB2_OPT_ISO_YES	1
434#define ACAB2_GEN_1		0
435#define ACAB2_GEN_2_PLUS	1
436
437#define VDO_ACABLE2(mtemp, stemp, u3p, trans, phy, ele, u4, hops, u2, u32, lane, iso, gen)	\
438	(((mtemp) & 0xff) << 24 | ((stemp) & 0xff) << 16 | ((u3p) & 0x7) << 12	\
439	 | (trans) << 11 | (phy) << 10 | (ele) << 9 | (u4) << 8			\
440	 | ((hops) & 0x3) << 6 | (u2) << 5 | (u32) << 4 | (lane) << 3		\
441	 | (iso) << 2 | (gen))
442
443/*
444 * AMA VDO (PD Rev2.0)
445 * ---------
446 * <31:28> :: Cable HW version
447 * <27:24> :: Cable FW version
448 * <23:12> :: Reserved, Shall be set to zero
449 * <11>    :: SSTX1 Directionality support (0b == fixed, 1b == cfgable)
450 * <10>    :: SSTX2 Directionality support
451 * <9>     :: SSRX1 Directionality support
452 * <8>     :: SSRX2 Directionality support
453 * <7:5>   :: Vconn power
454 * <4>     :: Vconn power required
455 * <3>     :: Vbus power required
456 * <2:0>   :: USB SS Signaling support
457 */
458#define VDO_AMA(hw, fw, tx1d, tx2d, rx1d, rx2d, vcpwr, vcr, vbr, usbss) \
459	(((hw) & 0x7) << 28 | ((fw) & 0x7) << 24			\
460	 | (tx1d) << 11 | (tx2d) << 10 | (rx1d) << 9 | (rx2d) << 8	\
461	 | ((vcpwr) & 0x7) << 5 | (vcr) << 4 | (vbr) << 3		\
462	 | ((usbss) & 0x7))
463
464#define PD_VDO_AMA_VCONN_REQ(vdo)	(((vdo) >> 4) & 1)
465#define PD_VDO_AMA_VBUS_REQ(vdo)	(((vdo) >> 3) & 1)
466
467#define AMA_USBSS_U2_ONLY	0
468#define AMA_USBSS_U31_GEN1	1
469#define AMA_USBSS_U31_GEN2	2
470#define AMA_USBSS_BBONLY	3
471
472/*
473 * VPD VDO
474 * ---------
475 * <31:28> :: HW version
476 * <27:24> :: FW version
477 * <23:21> :: VDO version
478 * <20:17> :: Reserved, Shall be set to zero
479 * <16:15> :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
480 * <14>    :: Charge through current support (0b == 3A, 1b == 5A)
481 * <13>    :: Reserved, Shall be set to zero
482 * <12:7>  :: Vbus impedance
483 * <6:1>   :: Ground impedance
484 * <0>     :: Charge through support (0b == no, 1b == yes)
485 */
486#define VPD_VDO_VER1_0		0
487#define VPD_MAX_VBUS_20V	0
488#define VPD_MAX_VBUS_30V	1
489#define VPD_MAX_VBUS_40V	2
490#define VPD_MAX_VBUS_50V	3
491#define VPDCT_CURR_3A		0
492#define VPDCT_CURR_5A		1
493#define VPDCT_NOT_SUPP		0
494#define VPDCT_SUPP		1
495
496#define VDO_VPD(hw, fw, ver, vbm, curr, vbi, gi, ct)			\
497	(((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21	\
498	 | ((vbm) & 0x3) << 15 | (curr) << 14 | ((vbi) & 0x3f) << 7	\
499	 | ((gi) & 0x3f) << 1 | (ct))
500
501/*
502 * SVDM Discover SVIDs request -> response
503 *
504 * Request is properly formatted VDM Header with discover SVIDs command.
505 * Response is a set of SVIDs of all supported SVIDs with all zero's to
506 * mark the end of SVIDs.  If more than 12 SVIDs are supported command SHOULD be
507 * repeated.
508 */
509#define VDO_SVID(svid0, svid1)	(((svid0) & 0xffff) << 16 | ((svid1) & 0xffff))
510#define PD_VDO_SVID_SVID0(vdo)	((vdo) >> 16)
511#define PD_VDO_SVID_SVID1(vdo)	((vdo) & 0xffff)
512
513/* USB-IF SIDs */
514#define USB_SID_PD		0xff00 /* power delivery */
515#define USB_SID_DISPLAYPORT	0xff01
516#define USB_SID_MHL		0xff02	/* Mobile High-Definition Link */
517
518/* VDM command timeouts (in ms) */
519
520#define PD_T_VDM_UNSTRUCTURED	500
521#define PD_T_VDM_BUSY		100
522#define PD_T_VDM_WAIT_MODE_E	100
523#define PD_T_VDM_SNDR_RSP	30
524#define PD_T_VDM_E_MODE		25
525#define PD_T_VDM_RCVR_RSP	15
526
527#endif /* __LINUX_USB_PD_VDO_H */