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1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Copyright 2015-2017 Google, Inc
4 */
5
6#ifndef __LINUX_USB_PD_H
7#define __LINUX_USB_PD_H
8
9#include <linux/kernel.h>
10#include <linux/types.h>
11#include <linux/usb/typec.h>
12
13/* USB PD Messages */
14enum pd_ctrl_msg_type {
15 /* 0 Reserved */
16 PD_CTRL_GOOD_CRC = 1,
17 PD_CTRL_GOTO_MIN = 2,
18 PD_CTRL_ACCEPT = 3,
19 PD_CTRL_REJECT = 4,
20 PD_CTRL_PING = 5,
21 PD_CTRL_PS_RDY = 6,
22 PD_CTRL_GET_SOURCE_CAP = 7,
23 PD_CTRL_GET_SINK_CAP = 8,
24 PD_CTRL_DR_SWAP = 9,
25 PD_CTRL_PR_SWAP = 10,
26 PD_CTRL_VCONN_SWAP = 11,
27 PD_CTRL_WAIT = 12,
28 PD_CTRL_SOFT_RESET = 13,
29 /* 14-15 Reserved */
30 PD_CTRL_NOT_SUPP = 16,
31 PD_CTRL_GET_SOURCE_CAP_EXT = 17,
32 PD_CTRL_GET_STATUS = 18,
33 PD_CTRL_FR_SWAP = 19,
34 PD_CTRL_GET_PPS_STATUS = 20,
35 PD_CTRL_GET_COUNTRY_CODES = 21,
36 /* 22-31 Reserved */
37};
38
39enum pd_data_msg_type {
40 /* 0 Reserved */
41 PD_DATA_SOURCE_CAP = 1,
42 PD_DATA_REQUEST = 2,
43 PD_DATA_BIST = 3,
44 PD_DATA_SINK_CAP = 4,
45 PD_DATA_BATT_STATUS = 5,
46 PD_DATA_ALERT = 6,
47 PD_DATA_GET_COUNTRY_INFO = 7,
48 PD_DATA_ENTER_USB = 8,
49 /* 9-14 Reserved */
50 PD_DATA_VENDOR_DEF = 15,
51 /* 16-31 Reserved */
52};
53
54enum pd_ext_msg_type {
55 /* 0 Reserved */
56 PD_EXT_SOURCE_CAP_EXT = 1,
57 PD_EXT_STATUS = 2,
58 PD_EXT_GET_BATT_CAP = 3,
59 PD_EXT_GET_BATT_STATUS = 4,
60 PD_EXT_BATT_CAP = 5,
61 PD_EXT_GET_MANUFACTURER_INFO = 6,
62 PD_EXT_MANUFACTURER_INFO = 7,
63 PD_EXT_SECURITY_REQUEST = 8,
64 PD_EXT_SECURITY_RESPONSE = 9,
65 PD_EXT_FW_UPDATE_REQUEST = 10,
66 PD_EXT_FW_UPDATE_RESPONSE = 11,
67 PD_EXT_PPS_STATUS = 12,
68 PD_EXT_COUNTRY_INFO = 13,
69 PD_EXT_COUNTRY_CODES = 14,
70 /* 15-31 Reserved */
71};
72
73#define PD_REV10 0x0
74#define PD_REV20 0x1
75#define PD_REV30 0x2
76#define PD_MAX_REV PD_REV30
77
78#define PD_HEADER_EXT_HDR BIT(15)
79#define PD_HEADER_CNT_SHIFT 12
80#define PD_HEADER_CNT_MASK 0x7
81#define PD_HEADER_ID_SHIFT 9
82#define PD_HEADER_ID_MASK 0x7
83#define PD_HEADER_PWR_ROLE BIT(8)
84#define PD_HEADER_REV_SHIFT 6
85#define PD_HEADER_REV_MASK 0x3
86#define PD_HEADER_DATA_ROLE BIT(5)
87#define PD_HEADER_TYPE_SHIFT 0
88#define PD_HEADER_TYPE_MASK 0x1f
89
90#define PD_HEADER(type, pwr, data, rev, id, cnt, ext_hdr) \
91 ((((type) & PD_HEADER_TYPE_MASK) << PD_HEADER_TYPE_SHIFT) | \
92 ((pwr) == TYPEC_SOURCE ? PD_HEADER_PWR_ROLE : 0) | \
93 ((data) == TYPEC_HOST ? PD_HEADER_DATA_ROLE : 0) | \
94 (rev << PD_HEADER_REV_SHIFT) | \
95 (((id) & PD_HEADER_ID_MASK) << PD_HEADER_ID_SHIFT) | \
96 (((cnt) & PD_HEADER_CNT_MASK) << PD_HEADER_CNT_SHIFT) | \
97 ((ext_hdr) ? PD_HEADER_EXT_HDR : 0))
98
99#define PD_HEADER_LE(type, pwr, data, rev, id, cnt) \
100 cpu_to_le16(PD_HEADER((type), (pwr), (data), (rev), (id), (cnt), (0)))
101
102static inline unsigned int pd_header_cnt(u16 header)
103{
104 return (header >> PD_HEADER_CNT_SHIFT) & PD_HEADER_CNT_MASK;
105}
106
107static inline unsigned int pd_header_cnt_le(__le16 header)
108{
109 return pd_header_cnt(le16_to_cpu(header));
110}
111
112static inline unsigned int pd_header_type(u16 header)
113{
114 return (header >> PD_HEADER_TYPE_SHIFT) & PD_HEADER_TYPE_MASK;
115}
116
117static inline unsigned int pd_header_type_le(__le16 header)
118{
119 return pd_header_type(le16_to_cpu(header));
120}
121
122static inline unsigned int pd_header_msgid(u16 header)
123{
124 return (header >> PD_HEADER_ID_SHIFT) & PD_HEADER_ID_MASK;
125}
126
127static inline unsigned int pd_header_msgid_le(__le16 header)
128{
129 return pd_header_msgid(le16_to_cpu(header));
130}
131
132static inline unsigned int pd_header_rev(u16 header)
133{
134 return (header >> PD_HEADER_REV_SHIFT) & PD_HEADER_REV_MASK;
135}
136
137static inline unsigned int pd_header_rev_le(__le16 header)
138{
139 return pd_header_rev(le16_to_cpu(header));
140}
141
142#define PD_EXT_HDR_CHUNKED BIT(15)
143#define PD_EXT_HDR_CHUNK_NUM_SHIFT 11
144#define PD_EXT_HDR_CHUNK_NUM_MASK 0xf
145#define PD_EXT_HDR_REQ_CHUNK BIT(10)
146#define PD_EXT_HDR_DATA_SIZE_SHIFT 0
147#define PD_EXT_HDR_DATA_SIZE_MASK 0x1ff
148
149#define PD_EXT_HDR(data_size, req_chunk, chunk_num, chunked) \
150 ((((data_size) & PD_EXT_HDR_DATA_SIZE_MASK) << PD_EXT_HDR_DATA_SIZE_SHIFT) | \
151 ((req_chunk) ? PD_EXT_HDR_REQ_CHUNK : 0) | \
152 (((chunk_num) & PD_EXT_HDR_CHUNK_NUM_MASK) << PD_EXT_HDR_CHUNK_NUM_SHIFT) | \
153 ((chunked) ? PD_EXT_HDR_CHUNKED : 0))
154
155#define PD_EXT_HDR_LE(data_size, req_chunk, chunk_num, chunked) \
156 cpu_to_le16(PD_EXT_HDR((data_size), (req_chunk), (chunk_num), (chunked)))
157
158static inline unsigned int pd_ext_header_chunk_num(u16 ext_header)
159{
160 return (ext_header >> PD_EXT_HDR_CHUNK_NUM_SHIFT) &
161 PD_EXT_HDR_CHUNK_NUM_MASK;
162}
163
164static inline unsigned int pd_ext_header_data_size(u16 ext_header)
165{
166 return (ext_header >> PD_EXT_HDR_DATA_SIZE_SHIFT) &
167 PD_EXT_HDR_DATA_SIZE_MASK;
168}
169
170static inline unsigned int pd_ext_header_data_size_le(__le16 ext_header)
171{
172 return pd_ext_header_data_size(le16_to_cpu(ext_header));
173}
174
175#define PD_MAX_PAYLOAD 7
176#define PD_EXT_MAX_CHUNK_DATA 26
177
178/**
179 * struct pd_chunked_ext_message_data - PD chunked extended message data as
180 * seen on wire
181 * @header: PD extended message header
182 * @data: PD extended message data
183 */
184struct pd_chunked_ext_message_data {
185 __le16 header;
186 u8 data[PD_EXT_MAX_CHUNK_DATA];
187} __packed;
188
189/**
190 * struct pd_message - PD message as seen on wire
191 * @header: PD message header
192 * @payload: PD message payload
193 * @ext_msg: PD message chunked extended message data
194 */
195struct pd_message {
196 __le16 header;
197 union {
198 __le32 payload[PD_MAX_PAYLOAD];
199 struct pd_chunked_ext_message_data ext_msg;
200 };
201} __packed;
202
203/* PDO: Power Data Object */
204#define PDO_MAX_OBJECTS 7
205
206enum pd_pdo_type {
207 PDO_TYPE_FIXED = 0,
208 PDO_TYPE_BATT = 1,
209 PDO_TYPE_VAR = 2,
210 PDO_TYPE_APDO = 3,
211};
212
213#define PDO_TYPE_SHIFT 30
214#define PDO_TYPE_MASK 0x3
215
216#define PDO_TYPE(t) ((t) << PDO_TYPE_SHIFT)
217
218#define PDO_VOLT_MASK 0x3ff
219#define PDO_CURR_MASK 0x3ff
220#define PDO_PWR_MASK 0x3ff
221
222#define PDO_FIXED_DUAL_ROLE BIT(29) /* Power role swap supported */
223#define PDO_FIXED_SUSPEND BIT(28) /* USB Suspend supported (Source) */
224#define PDO_FIXED_HIGHER_CAP BIT(28) /* Requires more than vSafe5V (Sink) */
225#define PDO_FIXED_EXTPOWER BIT(27) /* Externally powered */
226#define PDO_FIXED_USB_COMM BIT(26) /* USB communications capable */
227#define PDO_FIXED_DATA_SWAP BIT(25) /* Data role swap supported */
228#define PDO_FIXED_VOLT_SHIFT 10 /* 50mV units */
229#define PDO_FIXED_CURR_SHIFT 0 /* 10mA units */
230
231#define PDO_FIXED_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_FIXED_VOLT_SHIFT)
232#define PDO_FIXED_CURR(ma) ((((ma) / 10) & PDO_CURR_MASK) << PDO_FIXED_CURR_SHIFT)
233
234#define PDO_FIXED(mv, ma, flags) \
235 (PDO_TYPE(PDO_TYPE_FIXED) | (flags) | \
236 PDO_FIXED_VOLT(mv) | PDO_FIXED_CURR(ma))
237
238#define VSAFE5V 5000 /* mv units */
239
240#define PDO_BATT_MAX_VOLT_SHIFT 20 /* 50mV units */
241#define PDO_BATT_MIN_VOLT_SHIFT 10 /* 50mV units */
242#define PDO_BATT_MAX_PWR_SHIFT 0 /* 250mW units */
243
244#define PDO_BATT_MIN_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_BATT_MIN_VOLT_SHIFT)
245#define PDO_BATT_MAX_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_BATT_MAX_VOLT_SHIFT)
246#define PDO_BATT_MAX_POWER(mw) ((((mw) / 250) & PDO_PWR_MASK) << PDO_BATT_MAX_PWR_SHIFT)
247
248#define PDO_BATT(min_mv, max_mv, max_mw) \
249 (PDO_TYPE(PDO_TYPE_BATT) | PDO_BATT_MIN_VOLT(min_mv) | \
250 PDO_BATT_MAX_VOLT(max_mv) | PDO_BATT_MAX_POWER(max_mw))
251
252#define PDO_VAR_MAX_VOLT_SHIFT 20 /* 50mV units */
253#define PDO_VAR_MIN_VOLT_SHIFT 10 /* 50mV units */
254#define PDO_VAR_MAX_CURR_SHIFT 0 /* 10mA units */
255
256#define PDO_VAR_MIN_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_VAR_MIN_VOLT_SHIFT)
257#define PDO_VAR_MAX_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_VAR_MAX_VOLT_SHIFT)
258#define PDO_VAR_MAX_CURR(ma) ((((ma) / 10) & PDO_CURR_MASK) << PDO_VAR_MAX_CURR_SHIFT)
259
260#define PDO_VAR(min_mv, max_mv, max_ma) \
261 (PDO_TYPE(PDO_TYPE_VAR) | PDO_VAR_MIN_VOLT(min_mv) | \
262 PDO_VAR_MAX_VOLT(max_mv) | PDO_VAR_MAX_CURR(max_ma))
263
264enum pd_apdo_type {
265 APDO_TYPE_PPS = 0,
266};
267
268#define PDO_APDO_TYPE_SHIFT 28 /* Only valid value currently is 0x0 - PPS */
269#define PDO_APDO_TYPE_MASK 0x3
270
271#define PDO_APDO_TYPE(t) ((t) << PDO_APDO_TYPE_SHIFT)
272
273#define PDO_PPS_APDO_MAX_VOLT_SHIFT 17 /* 100mV units */
274#define PDO_PPS_APDO_MIN_VOLT_SHIFT 8 /* 100mV units */
275#define PDO_PPS_APDO_MAX_CURR_SHIFT 0 /* 50mA units */
276
277#define PDO_PPS_APDO_VOLT_MASK 0xff
278#define PDO_PPS_APDO_CURR_MASK 0x7f
279
280#define PDO_PPS_APDO_MIN_VOLT(mv) \
281 ((((mv) / 100) & PDO_PPS_APDO_VOLT_MASK) << PDO_PPS_APDO_MIN_VOLT_SHIFT)
282#define PDO_PPS_APDO_MAX_VOLT(mv) \
283 ((((mv) / 100) & PDO_PPS_APDO_VOLT_MASK) << PDO_PPS_APDO_MAX_VOLT_SHIFT)
284#define PDO_PPS_APDO_MAX_CURR(ma) \
285 ((((ma) / 50) & PDO_PPS_APDO_CURR_MASK) << PDO_PPS_APDO_MAX_CURR_SHIFT)
286
287#define PDO_PPS_APDO(min_mv, max_mv, max_ma) \
288 (PDO_TYPE(PDO_TYPE_APDO) | PDO_APDO_TYPE(APDO_TYPE_PPS) | \
289 PDO_PPS_APDO_MIN_VOLT(min_mv) | PDO_PPS_APDO_MAX_VOLT(max_mv) | \
290 PDO_PPS_APDO_MAX_CURR(max_ma))
291
292static inline enum pd_pdo_type pdo_type(u32 pdo)
293{
294 return (pdo >> PDO_TYPE_SHIFT) & PDO_TYPE_MASK;
295}
296
297static inline unsigned int pdo_fixed_voltage(u32 pdo)
298{
299 return ((pdo >> PDO_FIXED_VOLT_SHIFT) & PDO_VOLT_MASK) * 50;
300}
301
302static inline unsigned int pdo_min_voltage(u32 pdo)
303{
304 return ((pdo >> PDO_VAR_MIN_VOLT_SHIFT) & PDO_VOLT_MASK) * 50;
305}
306
307static inline unsigned int pdo_max_voltage(u32 pdo)
308{
309 return ((pdo >> PDO_VAR_MAX_VOLT_SHIFT) & PDO_VOLT_MASK) * 50;
310}
311
312static inline unsigned int pdo_max_current(u32 pdo)
313{
314 return ((pdo >> PDO_VAR_MAX_CURR_SHIFT) & PDO_CURR_MASK) * 10;
315}
316
317static inline unsigned int pdo_max_power(u32 pdo)
318{
319 return ((pdo >> PDO_BATT_MAX_PWR_SHIFT) & PDO_PWR_MASK) * 250;
320}
321
322static inline enum pd_apdo_type pdo_apdo_type(u32 pdo)
323{
324 return (pdo >> PDO_APDO_TYPE_SHIFT) & PDO_APDO_TYPE_MASK;
325}
326
327static inline unsigned int pdo_pps_apdo_min_voltage(u32 pdo)
328{
329 return ((pdo >> PDO_PPS_APDO_MIN_VOLT_SHIFT) &
330 PDO_PPS_APDO_VOLT_MASK) * 100;
331}
332
333static inline unsigned int pdo_pps_apdo_max_voltage(u32 pdo)
334{
335 return ((pdo >> PDO_PPS_APDO_MAX_VOLT_SHIFT) &
336 PDO_PPS_APDO_VOLT_MASK) * 100;
337}
338
339static inline unsigned int pdo_pps_apdo_max_current(u32 pdo)
340{
341 return ((pdo >> PDO_PPS_APDO_MAX_CURR_SHIFT) &
342 PDO_PPS_APDO_CURR_MASK) * 50;
343}
344
345/* RDO: Request Data Object */
346#define RDO_OBJ_POS_SHIFT 28
347#define RDO_OBJ_POS_MASK 0x7
348#define RDO_GIVE_BACK BIT(27) /* Supports reduced operating current */
349#define RDO_CAP_MISMATCH BIT(26) /* Not satisfied by source caps */
350#define RDO_USB_COMM BIT(25) /* USB communications capable */
351#define RDO_NO_SUSPEND BIT(24) /* USB Suspend not supported */
352
353#define RDO_PWR_MASK 0x3ff
354#define RDO_CURR_MASK 0x3ff
355
356#define RDO_FIXED_OP_CURR_SHIFT 10
357#define RDO_FIXED_MAX_CURR_SHIFT 0
358
359#define RDO_OBJ(idx) (((idx) & RDO_OBJ_POS_MASK) << RDO_OBJ_POS_SHIFT)
360
361#define PDO_FIXED_OP_CURR(ma) ((((ma) / 10) & RDO_CURR_MASK) << RDO_FIXED_OP_CURR_SHIFT)
362#define PDO_FIXED_MAX_CURR(ma) ((((ma) / 10) & RDO_CURR_MASK) << RDO_FIXED_MAX_CURR_SHIFT)
363
364#define RDO_FIXED(idx, op_ma, max_ma, flags) \
365 (RDO_OBJ(idx) | (flags) | \
366 PDO_FIXED_OP_CURR(op_ma) | PDO_FIXED_MAX_CURR(max_ma))
367
368#define RDO_BATT_OP_PWR_SHIFT 10 /* 250mW units */
369#define RDO_BATT_MAX_PWR_SHIFT 0 /* 250mW units */
370
371#define RDO_BATT_OP_PWR(mw) ((((mw) / 250) & RDO_PWR_MASK) << RDO_BATT_OP_PWR_SHIFT)
372#define RDO_BATT_MAX_PWR(mw) ((((mw) / 250) & RDO_PWR_MASK) << RDO_BATT_MAX_PWR_SHIFT)
373
374#define RDO_BATT(idx, op_mw, max_mw, flags) \
375 (RDO_OBJ(idx) | (flags) | \
376 RDO_BATT_OP_PWR(op_mw) | RDO_BATT_MAX_PWR(max_mw))
377
378#define RDO_PROG_VOLT_MASK 0x7ff
379#define RDO_PROG_CURR_MASK 0x7f
380
381#define RDO_PROG_VOLT_SHIFT 9
382#define RDO_PROG_CURR_SHIFT 0
383
384#define RDO_PROG_VOLT_MV_STEP 20
385#define RDO_PROG_CURR_MA_STEP 50
386
387#define PDO_PROG_OUT_VOLT(mv) \
388 ((((mv) / RDO_PROG_VOLT_MV_STEP) & RDO_PROG_VOLT_MASK) << RDO_PROG_VOLT_SHIFT)
389#define PDO_PROG_OP_CURR(ma) \
390 ((((ma) / RDO_PROG_CURR_MA_STEP) & RDO_PROG_CURR_MASK) << RDO_PROG_CURR_SHIFT)
391
392#define RDO_PROG(idx, out_mv, op_ma, flags) \
393 (RDO_OBJ(idx) | (flags) | \
394 PDO_PROG_OUT_VOLT(out_mv) | PDO_PROG_OP_CURR(op_ma))
395
396static inline unsigned int rdo_index(u32 rdo)
397{
398 return (rdo >> RDO_OBJ_POS_SHIFT) & RDO_OBJ_POS_MASK;
399}
400
401static inline unsigned int rdo_op_current(u32 rdo)
402{
403 return ((rdo >> RDO_FIXED_OP_CURR_SHIFT) & RDO_CURR_MASK) * 10;
404}
405
406static inline unsigned int rdo_max_current(u32 rdo)
407{
408 return ((rdo >> RDO_FIXED_MAX_CURR_SHIFT) &
409 RDO_CURR_MASK) * 10;
410}
411
412static inline unsigned int rdo_op_power(u32 rdo)
413{
414 return ((rdo >> RDO_BATT_OP_PWR_SHIFT) & RDO_PWR_MASK) * 250;
415}
416
417static inline unsigned int rdo_max_power(u32 rdo)
418{
419 return ((rdo >> RDO_BATT_MAX_PWR_SHIFT) & RDO_PWR_MASK) * 250;
420}
421
422/* Enter_USB Data Object */
423#define EUDO_USB_MODE_MASK GENMASK(30, 28)
424#define EUDO_USB_MODE_SHIFT 28
425#define EUDO_USB_MODE_USB2 0
426#define EUDO_USB_MODE_USB3 1
427#define EUDO_USB_MODE_USB4 2
428#define EUDO_USB4_DRD BIT(26)
429#define EUDO_USB3_DRD BIT(25)
430#define EUDO_CABLE_SPEED_MASK GENMASK(23, 21)
431#define EUDO_CABLE_SPEED_SHIFT 21
432#define EUDO_CABLE_SPEED_USB2 0
433#define EUDO_CABLE_SPEED_USB3_GEN1 1
434#define EUDO_CABLE_SPEED_USB4_GEN2 2
435#define EUDO_CABLE_SPEED_USB4_GEN3 3
436#define EUDO_CABLE_TYPE_MASK GENMASK(20, 19)
437#define EUDO_CABLE_TYPE_SHIFT 19
438#define EUDO_CABLE_TYPE_PASSIVE 0
439#define EUDO_CABLE_TYPE_RE_TIMER 1
440#define EUDO_CABLE_TYPE_RE_DRIVER 2
441#define EUDO_CABLE_TYPE_OPTICAL 3
442#define EUDO_CABLE_CURRENT_MASK GENMASK(18, 17)
443#define EUDO_CABLE_CURRENT_SHIFT 17
444#define EUDO_CABLE_CURRENT_NOTSUPP 0
445#define EUDO_CABLE_CURRENT_3A 2
446#define EUDO_CABLE_CURRENT_5A 3
447#define EUDO_PCIE_SUPPORT BIT(16)
448#define EUDO_DP_SUPPORT BIT(15)
449#define EUDO_TBT_SUPPORT BIT(14)
450#define EUDO_HOST_PRESENT BIT(13)
451
452/* USB PD timers and counters */
453#define PD_T_NO_RESPONSE 5000 /* 4.5 - 5.5 seconds */
454#define PD_T_DB_DETECT 10000 /* 10 - 15 seconds */
455#define PD_T_SEND_SOURCE_CAP 150 /* 100 - 200 ms */
456#define PD_T_SENDER_RESPONSE 60 /* 24 - 30 ms, relaxed */
457#define PD_T_SOURCE_ACTIVITY 45
458#define PD_T_SINK_ACTIVITY 135
459#define PD_T_SINK_WAIT_CAP 240
460#define PD_T_PS_TRANSITION 500
461#define PD_T_SRC_TRANSITION 35
462#define PD_T_DRP_SNK 40
463#define PD_T_DRP_SRC 30
464#define PD_T_PS_SOURCE_OFF 920
465#define PD_T_PS_SOURCE_ON 480
466#define PD_T_PS_HARD_RESET 30
467#define PD_T_SRC_RECOVER 760
468#define PD_T_SRC_RECOVER_MAX 1000
469#define PD_T_SRC_TURN_ON 275
470#define PD_T_SAFE_0V 650
471#define PD_T_VCONN_SOURCE_ON 100
472#define PD_T_SINK_REQUEST 100 /* 100 ms minimum */
473#define PD_T_ERROR_RECOVERY 100 /* minimum 25 is insufficient */
474#define PD_T_SRCSWAPSTDBY 625 /* Maximum of 650ms */
475#define PD_T_NEWSRC 250 /* Maximum of 275ms */
476
477#define PD_T_DRP_TRY 100 /* 75 - 150 ms */
478#define PD_T_DRP_TRYWAIT 600 /* 400 - 800 ms */
479
480#define PD_T_CC_DEBOUNCE 200 /* 100 - 200 ms */
481#define PD_T_PD_DEBOUNCE 20 /* 10 - 20 ms */
482
483#define PD_N_CAPS_COUNT (PD_T_NO_RESPONSE / PD_T_SEND_SOURCE_CAP)
484#define PD_N_HARD_RESET_COUNT 2
485
486#define PD_T_BIST_CONT_MODE 50 /* 30 - 60 ms */
487#endif /* __LINUX_USB_PD_H */