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 */
528