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 */ |
14 | enum 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 | |
39 | enum 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 | |
54 | enum 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 BIT(15) |
79 | #define 12 |
80 | #define 0x7 |
81 | #define 9 |
82 | #define 0x7 |
83 | #define BIT(8) |
84 | #define 6 |
85 | #define 0x3 |
86 | #define BIT(5) |
87 | #define 0 |
88 | #define 0x1f |
89 | |
90 | #define (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 (type, pwr, data, rev, id, cnt) \ |
100 | cpu_to_le16(PD_HEADER((type), (pwr), (data), (rev), (id), (cnt), (0))) |
101 | |
102 | static inline unsigned int (u16 ) |
103 | { |
104 | return (header >> PD_HEADER_CNT_SHIFT) & PD_HEADER_CNT_MASK; |
105 | } |
106 | |
107 | static inline unsigned int (__le16 ) |
108 | { |
109 | return pd_header_cnt(le16_to_cpu(header)); |
110 | } |
111 | |
112 | static inline unsigned int (u16 ) |
113 | { |
114 | return (header >> PD_HEADER_TYPE_SHIFT) & PD_HEADER_TYPE_MASK; |
115 | } |
116 | |
117 | static inline unsigned int (__le16 ) |
118 | { |
119 | return pd_header_type(le16_to_cpu(header)); |
120 | } |
121 | |
122 | static inline unsigned int (u16 ) |
123 | { |
124 | return (header >> PD_HEADER_ID_SHIFT) & PD_HEADER_ID_MASK; |
125 | } |
126 | |
127 | static inline unsigned int (__le16 ) |
128 | { |
129 | return pd_header_msgid(le16_to_cpu(header)); |
130 | } |
131 | |
132 | static inline unsigned int (u16 ) |
133 | { |
134 | return (header >> PD_HEADER_REV_SHIFT) & PD_HEADER_REV_MASK; |
135 | } |
136 | |
137 | static inline unsigned int (__le16 ) |
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 | |
158 | static inline unsigned int (u16 ) |
159 | { |
160 | return (ext_header >> PD_EXT_HDR_CHUNK_NUM_SHIFT) & |
161 | PD_EXT_HDR_CHUNK_NUM_MASK; |
162 | } |
163 | |
164 | static inline unsigned int (u16 ) |
165 | { |
166 | return (ext_header >> PD_EXT_HDR_DATA_SIZE_SHIFT) & |
167 | PD_EXT_HDR_DATA_SIZE_MASK; |
168 | } |
169 | |
170 | static inline unsigned int (__le16 ) |
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 | */ |
184 | struct pd_chunked_ext_message_data { |
185 | __le16 ; |
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 | */ |
195 | struct pd_message { |
196 | __le16 ; |
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 | |
206 | enum 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_UNCHUNK_EXT BIT(24) /* Unchunked Extended Message supported (Source) */ |
229 | #define PDO_FIXED_FRS_CURR_MASK (BIT(24) | BIT(23)) /* FR_Swap Current (Sink) */ |
230 | #define PDO_FIXED_FRS_CURR_SHIFT 23 |
231 | #define PDO_FIXED_PEAK_CURR_SHIFT 20 |
232 | #define PDO_FIXED_VOLT_SHIFT 10 /* 50mV units */ |
233 | #define PDO_FIXED_CURR_SHIFT 0 /* 10mA units */ |
234 | |
235 | #define PDO_FIXED_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_FIXED_VOLT_SHIFT) |
236 | #define PDO_FIXED_CURR(ma) ((((ma) / 10) & PDO_CURR_MASK) << PDO_FIXED_CURR_SHIFT) |
237 | |
238 | #define PDO_FIXED(mv, ma, flags) \ |
239 | (PDO_TYPE(PDO_TYPE_FIXED) | (flags) | \ |
240 | PDO_FIXED_VOLT(mv) | PDO_FIXED_CURR(ma)) |
241 | |
242 | #define VSAFE5V 5000 /* mv units */ |
243 | |
244 | #define PDO_BATT_MAX_VOLT_SHIFT 20 /* 50mV units */ |
245 | #define PDO_BATT_MIN_VOLT_SHIFT 10 /* 50mV units */ |
246 | #define PDO_BATT_MAX_PWR_SHIFT 0 /* 250mW units */ |
247 | |
248 | #define PDO_BATT_MIN_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_BATT_MIN_VOLT_SHIFT) |
249 | #define PDO_BATT_MAX_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_BATT_MAX_VOLT_SHIFT) |
250 | #define PDO_BATT_MAX_POWER(mw) ((((mw) / 250) & PDO_PWR_MASK) << PDO_BATT_MAX_PWR_SHIFT) |
251 | |
252 | #define PDO_BATT(min_mv, max_mv, max_mw) \ |
253 | (PDO_TYPE(PDO_TYPE_BATT) | PDO_BATT_MIN_VOLT(min_mv) | \ |
254 | PDO_BATT_MAX_VOLT(max_mv) | PDO_BATT_MAX_POWER(max_mw)) |
255 | |
256 | #define PDO_VAR_MAX_VOLT_SHIFT 20 /* 50mV units */ |
257 | #define PDO_VAR_MIN_VOLT_SHIFT 10 /* 50mV units */ |
258 | #define PDO_VAR_MAX_CURR_SHIFT 0 /* 10mA units */ |
259 | |
260 | #define PDO_VAR_MIN_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_VAR_MIN_VOLT_SHIFT) |
261 | #define PDO_VAR_MAX_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_VAR_MAX_VOLT_SHIFT) |
262 | #define PDO_VAR_MAX_CURR(ma) ((((ma) / 10) & PDO_CURR_MASK) << PDO_VAR_MAX_CURR_SHIFT) |
263 | |
264 | #define PDO_VAR(min_mv, max_mv, max_ma) \ |
265 | (PDO_TYPE(PDO_TYPE_VAR) | PDO_VAR_MIN_VOLT(min_mv) | \ |
266 | PDO_VAR_MAX_VOLT(max_mv) | PDO_VAR_MAX_CURR(max_ma)) |
267 | |
268 | enum pd_apdo_type { |
269 | APDO_TYPE_PPS = 0, |
270 | }; |
271 | |
272 | #define PDO_APDO_TYPE_SHIFT 28 /* Only valid value currently is 0x0 - PPS */ |
273 | #define PDO_APDO_TYPE_MASK 0x3 |
274 | |
275 | #define PDO_APDO_TYPE(t) ((t) << PDO_APDO_TYPE_SHIFT) |
276 | |
277 | #define PDO_PPS_APDO_MAX_VOLT_SHIFT 17 /* 100mV units */ |
278 | #define PDO_PPS_APDO_MIN_VOLT_SHIFT 8 /* 100mV units */ |
279 | #define PDO_PPS_APDO_MAX_CURR_SHIFT 0 /* 50mA units */ |
280 | |
281 | #define PDO_PPS_APDO_VOLT_MASK 0xff |
282 | #define PDO_PPS_APDO_CURR_MASK 0x7f |
283 | |
284 | #define PDO_PPS_APDO_MIN_VOLT(mv) \ |
285 | ((((mv) / 100) & PDO_PPS_APDO_VOLT_MASK) << PDO_PPS_APDO_MIN_VOLT_SHIFT) |
286 | #define PDO_PPS_APDO_MAX_VOLT(mv) \ |
287 | ((((mv) / 100) & PDO_PPS_APDO_VOLT_MASK) << PDO_PPS_APDO_MAX_VOLT_SHIFT) |
288 | #define PDO_PPS_APDO_MAX_CURR(ma) \ |
289 | ((((ma) / 50) & PDO_PPS_APDO_CURR_MASK) << PDO_PPS_APDO_MAX_CURR_SHIFT) |
290 | |
291 | #define PDO_PPS_APDO(min_mv, max_mv, max_ma) \ |
292 | (PDO_TYPE(PDO_TYPE_APDO) | PDO_APDO_TYPE(APDO_TYPE_PPS) | \ |
293 | PDO_PPS_APDO_MIN_VOLT(min_mv) | PDO_PPS_APDO_MAX_VOLT(max_mv) | \ |
294 | PDO_PPS_APDO_MAX_CURR(max_ma)) |
295 | |
296 | static inline enum pd_pdo_type pdo_type(u32 pdo) |
297 | { |
298 | return (pdo >> PDO_TYPE_SHIFT) & PDO_TYPE_MASK; |
299 | } |
300 | |
301 | static inline unsigned int pdo_fixed_voltage(u32 pdo) |
302 | { |
303 | return ((pdo >> PDO_FIXED_VOLT_SHIFT) & PDO_VOLT_MASK) * 50; |
304 | } |
305 | |
306 | static inline unsigned int pdo_min_voltage(u32 pdo) |
307 | { |
308 | return ((pdo >> PDO_VAR_MIN_VOLT_SHIFT) & PDO_VOLT_MASK) * 50; |
309 | } |
310 | |
311 | static inline unsigned int pdo_max_voltage(u32 pdo) |
312 | { |
313 | return ((pdo >> PDO_VAR_MAX_VOLT_SHIFT) & PDO_VOLT_MASK) * 50; |
314 | } |
315 | |
316 | static inline unsigned int pdo_max_current(u32 pdo) |
317 | { |
318 | return ((pdo >> PDO_VAR_MAX_CURR_SHIFT) & PDO_CURR_MASK) * 10; |
319 | } |
320 | |
321 | static inline unsigned int pdo_max_power(u32 pdo) |
322 | { |
323 | return ((pdo >> PDO_BATT_MAX_PWR_SHIFT) & PDO_PWR_MASK) * 250; |
324 | } |
325 | |
326 | static inline enum pd_apdo_type pdo_apdo_type(u32 pdo) |
327 | { |
328 | return (pdo >> PDO_APDO_TYPE_SHIFT) & PDO_APDO_TYPE_MASK; |
329 | } |
330 | |
331 | static inline unsigned int pdo_pps_apdo_min_voltage(u32 pdo) |
332 | { |
333 | return ((pdo >> PDO_PPS_APDO_MIN_VOLT_SHIFT) & |
334 | PDO_PPS_APDO_VOLT_MASK) * 100; |
335 | } |
336 | |
337 | static inline unsigned int pdo_pps_apdo_max_voltage(u32 pdo) |
338 | { |
339 | return ((pdo >> PDO_PPS_APDO_MAX_VOLT_SHIFT) & |
340 | PDO_PPS_APDO_VOLT_MASK) * 100; |
341 | } |
342 | |
343 | static inline unsigned int pdo_pps_apdo_max_current(u32 pdo) |
344 | { |
345 | return ((pdo >> PDO_PPS_APDO_MAX_CURR_SHIFT) & |
346 | PDO_PPS_APDO_CURR_MASK) * 50; |
347 | } |
348 | |
349 | /* RDO: Request Data Object */ |
350 | #define RDO_OBJ_POS_SHIFT 28 |
351 | #define RDO_OBJ_POS_MASK 0x7 |
352 | #define RDO_GIVE_BACK BIT(27) /* Supports reduced operating current */ |
353 | #define RDO_CAP_MISMATCH BIT(26) /* Not satisfied by source caps */ |
354 | #define RDO_USB_COMM BIT(25) /* USB communications capable */ |
355 | #define RDO_NO_SUSPEND BIT(24) /* USB Suspend not supported */ |
356 | |
357 | #define RDO_PWR_MASK 0x3ff |
358 | #define RDO_CURR_MASK 0x3ff |
359 | |
360 | #define RDO_FIXED_OP_CURR_SHIFT 10 |
361 | #define RDO_FIXED_MAX_CURR_SHIFT 0 |
362 | |
363 | #define RDO_OBJ(idx) (((idx) & RDO_OBJ_POS_MASK) << RDO_OBJ_POS_SHIFT) |
364 | |
365 | #define PDO_FIXED_OP_CURR(ma) ((((ma) / 10) & RDO_CURR_MASK) << RDO_FIXED_OP_CURR_SHIFT) |
366 | #define PDO_FIXED_MAX_CURR(ma) ((((ma) / 10) & RDO_CURR_MASK) << RDO_FIXED_MAX_CURR_SHIFT) |
367 | |
368 | #define RDO_FIXED(idx, op_ma, max_ma, flags) \ |
369 | (RDO_OBJ(idx) | (flags) | \ |
370 | PDO_FIXED_OP_CURR(op_ma) | PDO_FIXED_MAX_CURR(max_ma)) |
371 | |
372 | #define RDO_BATT_OP_PWR_SHIFT 10 /* 250mW units */ |
373 | #define RDO_BATT_MAX_PWR_SHIFT 0 /* 250mW units */ |
374 | |
375 | #define RDO_BATT_OP_PWR(mw) ((((mw) / 250) & RDO_PWR_MASK) << RDO_BATT_OP_PWR_SHIFT) |
376 | #define RDO_BATT_MAX_PWR(mw) ((((mw) / 250) & RDO_PWR_MASK) << RDO_BATT_MAX_PWR_SHIFT) |
377 | |
378 | #define RDO_BATT(idx, op_mw, max_mw, flags) \ |
379 | (RDO_OBJ(idx) | (flags) | \ |
380 | RDO_BATT_OP_PWR(op_mw) | RDO_BATT_MAX_PWR(max_mw)) |
381 | |
382 | #define RDO_PROG_VOLT_MASK 0x7ff |
383 | #define RDO_PROG_CURR_MASK 0x7f |
384 | |
385 | #define RDO_PROG_VOLT_SHIFT 9 |
386 | #define RDO_PROG_CURR_SHIFT 0 |
387 | |
388 | #define RDO_PROG_VOLT_MV_STEP 20 |
389 | #define RDO_PROG_CURR_MA_STEP 50 |
390 | |
391 | #define PDO_PROG_OUT_VOLT(mv) \ |
392 | ((((mv) / RDO_PROG_VOLT_MV_STEP) & RDO_PROG_VOLT_MASK) << RDO_PROG_VOLT_SHIFT) |
393 | #define PDO_PROG_OP_CURR(ma) \ |
394 | ((((ma) / RDO_PROG_CURR_MA_STEP) & RDO_PROG_CURR_MASK) << RDO_PROG_CURR_SHIFT) |
395 | |
396 | #define RDO_PROG(idx, out_mv, op_ma, flags) \ |
397 | (RDO_OBJ(idx) | (flags) | \ |
398 | PDO_PROG_OUT_VOLT(out_mv) | PDO_PROG_OP_CURR(op_ma)) |
399 | |
400 | static inline unsigned int rdo_index(u32 rdo) |
401 | { |
402 | return (rdo >> RDO_OBJ_POS_SHIFT) & RDO_OBJ_POS_MASK; |
403 | } |
404 | |
405 | static inline unsigned int rdo_op_current(u32 rdo) |
406 | { |
407 | return ((rdo >> RDO_FIXED_OP_CURR_SHIFT) & RDO_CURR_MASK) * 10; |
408 | } |
409 | |
410 | static inline unsigned int rdo_max_current(u32 rdo) |
411 | { |
412 | return ((rdo >> RDO_FIXED_MAX_CURR_SHIFT) & |
413 | RDO_CURR_MASK) * 10; |
414 | } |
415 | |
416 | static inline unsigned int rdo_op_power(u32 rdo) |
417 | { |
418 | return ((rdo >> RDO_BATT_OP_PWR_SHIFT) & RDO_PWR_MASK) * 250; |
419 | } |
420 | |
421 | static inline unsigned int rdo_max_power(u32 rdo) |
422 | { |
423 | return ((rdo >> RDO_BATT_MAX_PWR_SHIFT) & RDO_PWR_MASK) * 250; |
424 | } |
425 | |
426 | /* Enter_USB Data Object */ |
427 | #define EUDO_USB_MODE_MASK GENMASK(30, 28) |
428 | #define EUDO_USB_MODE_SHIFT 28 |
429 | #define EUDO_USB_MODE_USB2 0 |
430 | #define EUDO_USB_MODE_USB3 1 |
431 | #define EUDO_USB_MODE_USB4 2 |
432 | #define EUDO_USB4_DRD BIT(26) |
433 | #define EUDO_USB3_DRD BIT(25) |
434 | #define EUDO_CABLE_SPEED_MASK GENMASK(23, 21) |
435 | #define EUDO_CABLE_SPEED_SHIFT 21 |
436 | #define EUDO_CABLE_SPEED_USB2 0 |
437 | #define EUDO_CABLE_SPEED_USB3_GEN1 1 |
438 | #define EUDO_CABLE_SPEED_USB4_GEN2 2 |
439 | #define EUDO_CABLE_SPEED_USB4_GEN3 3 |
440 | #define EUDO_CABLE_TYPE_MASK GENMASK(20, 19) |
441 | #define EUDO_CABLE_TYPE_SHIFT 19 |
442 | #define EUDO_CABLE_TYPE_PASSIVE 0 |
443 | #define EUDO_CABLE_TYPE_RE_TIMER 1 |
444 | #define EUDO_CABLE_TYPE_RE_DRIVER 2 |
445 | #define EUDO_CABLE_TYPE_OPTICAL 3 |
446 | #define EUDO_CABLE_CURRENT_MASK GENMASK(18, 17) |
447 | #define EUDO_CABLE_CURRENT_SHIFT 17 |
448 | #define EUDO_CABLE_CURRENT_NOTSUPP 0 |
449 | #define EUDO_CABLE_CURRENT_3A 2 |
450 | #define EUDO_CABLE_CURRENT_5A 3 |
451 | #define EUDO_PCIE_SUPPORT BIT(16) |
452 | #define EUDO_DP_SUPPORT BIT(15) |
453 | #define EUDO_TBT_SUPPORT BIT(14) |
454 | #define EUDO_HOST_PRESENT BIT(13) |
455 | |
456 | /* USB PD timers and counters */ |
457 | #define PD_T_NO_RESPONSE 5000 /* 4.5 - 5.5 seconds */ |
458 | #define PD_T_DB_DETECT 10000 /* 10 - 15 seconds */ |
459 | #define PD_T_SEND_SOURCE_CAP 150 /* 100 - 200 ms */ |
460 | #define PD_T_SENDER_RESPONSE 60 /* 24 - 30 ms, relaxed */ |
461 | #define PD_T_RECEIVER_RESPONSE 15 /* 15ms max */ |
462 | #define PD_T_SOURCE_ACTIVITY 45 |
463 | #define PD_T_SINK_ACTIVITY 135 |
464 | #define PD_T_SINK_WAIT_CAP 310 /* 310 - 620 ms */ |
465 | #define PD_T_PS_TRANSITION 500 |
466 | #define PD_T_SRC_TRANSITION 35 |
467 | #define PD_T_DRP_SNK 40 |
468 | #define PD_T_DRP_SRC 30 |
469 | #define PD_T_PS_SOURCE_OFF 920 |
470 | #define PD_T_PS_SOURCE_ON 480 |
471 | #define PD_T_PS_SOURCE_ON_PRS 450 /* 390 - 480ms */ |
472 | #define PD_T_PS_HARD_RESET 30 |
473 | #define PD_T_SRC_RECOVER 760 |
474 | #define PD_T_SRC_RECOVER_MAX 1000 |
475 | #define PD_T_SRC_TURN_ON 275 |
476 | #define PD_T_SAFE_0V 650 |
477 | #define PD_T_VCONN_SOURCE_ON 100 |
478 | #define PD_T_SINK_REQUEST 100 /* 100 ms minimum */ |
479 | #define PD_T_ERROR_RECOVERY 100 /* minimum 25 is insufficient */ |
480 | #define PD_T_SRCSWAPSTDBY 625 /* Maximum of 650ms */ |
481 | #define PD_T_NEWSRC 250 /* Maximum of 275ms */ |
482 | #define PD_T_SWAP_SRC_START 20 /* Minimum of 20ms */ |
483 | #define PD_T_BIST_CONT_MODE 50 /* 30 - 60 ms */ |
484 | #define PD_T_SINK_TX 16 /* 16 - 20 ms */ |
485 | #define PD_T_CHUNK_NOT_SUPP 42 /* 40 - 50 ms */ |
486 | #define PD_T_VCONN_STABLE 50 |
487 | |
488 | #define PD_T_DRP_TRY 100 /* 75 - 150 ms */ |
489 | #define PD_T_DRP_TRYWAIT 600 /* 400 - 800 ms */ |
490 | |
491 | #define PD_T_CC_DEBOUNCE 200 /* 100 - 200 ms */ |
492 | #define PD_T_PD_DEBOUNCE 20 /* 10 - 20 ms */ |
493 | #define PD_T_TRY_CC_DEBOUNCE 15 /* 10 - 20 ms */ |
494 | |
495 | #define PD_N_CAPS_COUNT (PD_T_NO_RESPONSE / PD_T_SEND_SOURCE_CAP) |
496 | #define PD_N_HARD_RESET_COUNT 2 |
497 | |
498 | #define PD_P_SNK_STDBY_MW 2500 /* 2500 mW */ |
499 | |
500 | #if IS_ENABLED(CONFIG_TYPEC) |
501 | |
502 | struct usb_power_delivery; |
503 | |
504 | /** |
505 | * usb_power_delivery_desc - USB Power Delivery Descriptor |
506 | * @revision: USB Power Delivery Specification Revision |
507 | * @version: USB Power Delivery Specicication Version - optional |
508 | */ |
509 | struct usb_power_delivery_desc { |
510 | u16 revision; |
511 | u16 version; |
512 | }; |
513 | |
514 | /** |
515 | * usb_power_delivery_capabilities_desc - Description of USB Power Delivery Capabilities Message |
516 | * @pdo: The Power Data Objects in the Capability Message |
517 | * @role: Power role of the capabilities |
518 | */ |
519 | struct usb_power_delivery_capabilities_desc { |
520 | u32 pdo[PDO_MAX_OBJECTS]; |
521 | enum typec_role role; |
522 | }; |
523 | |
524 | struct usb_power_delivery_capabilities * |
525 | usb_power_delivery_register_capabilities(struct usb_power_delivery *pd, |
526 | struct usb_power_delivery_capabilities_desc *desc); |
527 | void usb_power_delivery_unregister_capabilities(struct usb_power_delivery_capabilities *cap); |
528 | |
529 | struct usb_power_delivery *usb_power_delivery_register(struct device *parent, |
530 | struct usb_power_delivery_desc *desc); |
531 | void usb_power_delivery_unregister(struct usb_power_delivery *pd); |
532 | |
533 | int usb_power_delivery_link_device(struct usb_power_delivery *pd, struct device *dev); |
534 | void usb_power_delivery_unlink_device(struct usb_power_delivery *pd, struct device *dev); |
535 | |
536 | #endif /* CONFIG_TYPEC */ |
537 | |
538 | #endif /* __LINUX_USB_PD_H */ |
539 | |