1 /*
2  * Copyright 2022 The Chromium OS Authors
3  * SPDX-License-Identifier: Apache-2.0
4  */
5 
6 /**
7  * @file
8  * @brief USB-C Power Delivery API used for USB-C drivers
9  *
10  * The information in this file was taken from the USB PD
11  * Specification Revision 3.0, Version 2.0
12  */
13 
14 #ifndef ZEPHYR_INCLUDE_DRIVERS_USBC_USBC_PD_H_
15 #define ZEPHYR_INCLUDE_DRIVERS_USBC_USBC_PD_H_
16 
17 /**
18  * @brief USB Power Delivery
19  * @defgroup usb_power_delivery USB Power Delivery
20  * @ingroup io_interfaces
21  * @{
22  */
23 
24 #include <zephyr/types.h>
25 
26 #ifdef __cplusplus
27 extern "C" {
28 #endif
29 
30 /**
31  * @brief Maximum length of a non-Extended Message in bytes.
32  *	  See Table 6-75 Value Parameters
33  *	  Parameter Name: MaxExtendedMsgLegacyLen
34  */
35 #define PD_MAX_EXTENDED_MSG_LEGACY_LEN   26
36 
37 /**
38  * @brief Maximum length of an Extended Message in bytes.
39  *	  See Table 6-75 Value Parameters
40  *	  Parameter Name: MaxExtendedMsgLen
41  */
42 #define PD_MAX_EXTENDED_MSG_LEN    260
43 
44 /**
45  * @brief Maximum length of a Chunked Message in bytes.
46  *	  When one of both Port Partners do not support Extended
47  *	  Messages of Data Size greater than PD_MAX_EXTENDED_MSG_LEGACY_LEN
48  *	  then the Protocol Layer supports a Chunking mechanism to
49  *	  break larger Messages into smaller Chunks of size
50  *	  PD_MAX_EXTENDED_MSG_CHUNK_LEN.
51  *	  See Table 6-75 Value Parameters
52  *	  Parameter Name: MaxExtendedMsgChunkLen
53  */
54 #define PD_MAX_EXTENDED_MSG_CHUNK_LEN    26
55 
56 /**
57  * @name USB PD 3.1 Rev 1.6, Table 6-70 Counter Parameters
58  * @{
59  */
60 
61 /**
62  * @brief The CapsCounter is used to count the number of Source_Capabilities
63  *	  Messages which have been sent by a Source at power up or after a
64  *	  Hard Reset.
65  *	  Parameter Name: nCapsCounter
66  */
67 #define PD_N_CAPS_COUNT 50
68 
69 /**
70  * @brief The HardResetCounter is used to retry the Hard Reset whenever there
71  *	  is no response from the remote device (see Section 6.6.6)
72  *	  Parameter Name: nHardResetCounter
73  */
74 #define PD_N_HARD_RESET_COUNT 2
75 
76 /** @} */
77 
78 /**
79  * @name USB PD 3.1 Rev 1.6, Table 6-68 Time Values
80  * @{
81  */
82 
83 /**
84  * @brief The NoResponseTimer is used by the Policy Engine in a Source to
85  *	  determine that its Port Partner is not responding after a Hard Reset.
86  *	  Parameter Name: tNoResponseTimer
87  */
88 #define PD_T_NO_RESPONSE_MIN_MS 4500
89 
90 /**
91  * @brief The NoResponseTimer is used by the Policy Engine in a Source to
92  *	  determine that its Port Partner is not responding after a Hard Reset.
93  *	  Parameter Name: tNoResponseTimer
94  */
95 #define PD_T_NO_RESPONSE_MAX_MS 5500
96 
97 /**
98  * @brief Min time the Source waits to ensure that the Sink has had
99  *	  sufficient time to process Hard Reset Signaling before
100  *	  turning off its power supply to VBUS
101  *	  Parameter Name: tPSHardReset
102  */
103 #define PD_T_PS_HARD_RESET_MIN_MS 25
104 
105 /**
106  * @brief Max time the Source waits to ensure that the Sink has had
107  *	  sufficient time to process Hard Reset Signaling before
108  *	  turning off its power supply to VBUS
109  *	  Parameter Name: tPSHardReset
110  */
111 #define PD_T_PS_HARD_RESET_MAX_MS 35
112 
113 /**
114  * @brief Minimum time a Source waits after changing Rp from SinkTxOk to SinkTxNG
115  *	  before initiating an AMS by sending a Message.
116  *	  Parameter Name: tSinkTx
117  */
118 #define PD_T_SINK_TX_MIN_MS 16
119 
120 /**
121  * @brief Maximum time a Source waits after changing Rp from SinkTxOk to SinkTxNG
122  *	  before initiating an AMS by sending a Message.
123  *	  Parameter Name: tSinkTx
124  */
125 #define PD_T_SINK_TX_MAX_MS 20
126 
127 /**
128  * @brief Minimum time a source shall wait before sending a
129  *	  Source_Capabilities message while the following is true:
130  *	  1) The Port is Attached.
131  *	  2) The Source is not in an active connection with a PD Sink Port.
132  *	  Parameter Name: tTypeCSendSourceCap
133  */
134 #define PD_T_TYPEC_SEND_SOURCE_CAP_MIN_MS 100
135 
136 /**
137  * @brief Maxmimum time a source shall wait before sending a
138  *	  Source_Capabilities message while the following is true:
139  *	  1) The Port is Attached.
140  *	  2) The Source is not in an active connection with a PD Sink Port.
141  *	  Parameter Name: tTypeCSendSourceCap
142  */
143 #define PD_T_TYPEC_SEND_SOURCE_CAP_MAX_MS 200
144 
145 /** @} */
146 
147 /**
148  * @brief Minimum time a sink shall wait for a Source_Capabilities message
149  *	  before sending a Hard Reset
150  *	  See Table 6-61 Time Values
151  *	  Parameter Name: tTypeCSinkWaitCap
152  */
153 #define PD_T_TYPEC_SINK_WAIT_CAP_MIN_MS 310
154 
155 /**
156  * @brief Minimum time a sink shall wait for a Source_Capabilities message
157  *	  before sending a Hard Reset
158  *	  See Table 6-61 Time Values
159  *	  Parameter Name: tTypeCSinkWaitCap
160  */
161 #define PD_T_TYPEC_SINK_WAIT_CAP_MAX_MS 620
162 
163 /**
164  * @brief VBUS maximum safe operating voltage at "zero volts".
165  *	  See Table 7-24 Common Source/Sink Electrical Parameters
166  *	  Parameter Name: vSafe0V
167  */
168 #define PD_V_SAFE_0V_MAX_MV 800
169 
170 /**
171  * @brief VBUS minimum safe operating voltage at 5V.
172  *	  See Table 7-24 Common Source/Sink Electrical Parameters
173  *	  Parameter Name: vSafe5V
174  */
175 #define PD_V_SAFE_5V_MIN_MV 4750
176 
177 /**
178  * @brief Time to reach PD_V_SAFE_0V_MV max in milliseconds.
179  *	  See Table 7-24 Common Source/Sink Electrical Parameters
180  *	  Parameter Name: tSafe0V
181  */
182 #define PD_T_SAFE_0V_MAX_MS  650
183 
184 /**
185  * @brief Time to reach PD_V_SAFE_5V_MV max in milliseconds.
186  *	  See Table 7-24 Common Source/Sink Electrical Parameters
187  *	  Parameter Name: tSafe5V
188  */
189 #define PD_T_SAFE_5V_MAX_MS  275
190 
191 /**
192  * @brief Time to wait for TCPC to complete transmit
193  */
194 #define PD_T_TX_TIMEOUT_MS 100
195 
196 /**
197  * @brief Minimum time a Hard Reset must complete.
198  *	  See Table 6-68 Time Values
199  */
200 #define PD_T_HARD_RESET_COMPLETE_MIN_MS 4
201 
202 /**
203  * @brief Maximum time a Hard Reset must complete.
204  *	  See Table 6-68 Time Values
205  */
206 #define PD_T_HARD_RESET_COMPLETE_MAX_MS 5
207 
208 /**
209  * @brief Minimum time a response must be sent from a Port Partner
210  *        See Table 6-68 Time Values
211  */
212 #define PD_T_SENDER_RESPONSE_MIN_MS 24
213 
214 /**
215  * @brief Nomiminal time a response must be sent from a Port Partner
216  *        See Table 6-68 Time Values
217  */
218 #define PD_T_SENDER_RESPONSE_NOM_MS 27
219 
220 /**
221  * @brief Maximum time a response must be sent from a Port Partner
222  *        See Table 6-68 Time Values
223  */
224 #define PD_T_SENDER_RESPONSE_MAX_MS 30
225 
226 /**
227  * @brief Minimum SPR Mode time for a power suppply to transition to a new level
228  *        See Table 6-68 Time Values
229  */
230 #define PD_T_SPR_PS_TRANSITION_MIN_MS 450
231 
232 /**
233  * @brief Nominal SPR Mode time for a power suppply to transition to a new level
234  *        See Table 6-68 Time Values
235  */
236 #define PD_T_SPR_PS_TRANSITION_NOM_MS 500
237 
238 /**
239  * @brief Maximum SPR Mode time for a power suppply to transition to a new level
240  *        See Table 6-68 Time Values
241  */
242 #define PD_T_SPR_PS_TRANSITION_MAX_MS 550
243 
244 /**
245  * @brief Minimum EPR Mode time for a power suppply to transition to a new level
246  *        See Table 6-68 Time Values
247  */
248 #define PD_T_EPR_PS_TRANSITION_MIN_MS 830
249 
250 /**
251  * @brief Nominal EPR Mode time for a power suppply to transition to a new level
252  *        See Table 6-68 Time Values
253  */
254 #define PD_T_EPR_PS_TRANSITION_NOM_MS 925
255 
256 /**
257  * @brief Maximum EPR Mode time for a power suppply to transition to a new level
258  *        See Table 6-68 Time Values
259  */
260 #define PD_T_EPR_PS_TRANSITION_MAX_MS 1020
261 
262 /**
263  * @brief Minimum time to wait before sending another request after receiving a Wait message
264  *        See Table 6-68 Time Values
265  */
266 #define PD_T_SINK_REQUEST_MIN_MS 100
267 
268 /**
269  * @brief Minimum time to wait before sending a Not_Supported message after receiving a
270  *	  Chunked message
271  *	  See Table 6-68 Time Values
272  */
273 #define PD_T_CHUNKING_NOT_SUPPORTED_MIN_MS 40
274 
275 /**
276  * @brief Nominal time to wait before sending a Not_Supported message after receiving a
277  *	  Chunked message
278  *	  See Table 6-68 Time Values
279  */
280 #define PD_T_CHUNKING_NOT_SUPPORTED_NOM_MS 45
281 
282 /**
283  * @brief Maximum time to wait before sending a Not_Supported message after receiving a
284  *	  Chunked message
285  *	  See Table 6-68 Time Values
286  */
287 #define PD_T_CHUNKING_NOT_SUPPORTED_MAX_MS 50
288 
289 /**
290  * @brief Convert bytes to PD Header data object count, where a
291  *	  data object is 4-bytes.
292  *
293  * @param c number of bytes to convert
294  */
295 #define PD_CONVERT_BYTES_TO_PD_HEADER_COUNT(c) ((c) >> 2)
296 
297 /**
298  * @brief Convert PD Header data object count to bytes
299  *
300  * @param c number of PD Header data objects
301  */
302 #define PD_CONVERT_PD_HEADER_COUNT_TO_BYTES(c) ((c) << 2)
303 
304 /**
305  * @brief Collision avoidance Rp values in REV 3.0
306  *	  Sink Transmit "OK"
307  */
308 #define SINK_TX_OK TC_RP_3A0
309 
310 /**
311  * @brief Collision avoidance Rp values in REV 3.0
312  *	  Sink Transmit "NO GO"
313  */
314 #define SINK_TX_NG TC_RP_1A5
315 
316 /**
317  * @brief Build a PD message header
318  *	  See Table 6-1 Message Header
319  */
320 union pd_header {
321 	struct {
322 		/** Type of message */
323 		uint16_t message_type : 5;
324 		/** Port Data role */
325 		uint16_t port_data_role : 1;
326 		/** Specification Revision */
327 		uint16_t specification_revision : 2;
328 		/** Port Power Role */
329 		uint16_t port_power_role : 1;
330 		/** Message ID */
331 		uint16_t message_id : 3;
332 		/** Number of Data Objects */
333 		uint16_t number_of_data_objects : 3;
334 		/** Extended Message */
335 		uint16_t extended : 1;
336 	};
337 	uint16_t raw_value;
338 };
339 
340 /**
341  * @brief Used to get extended header from the first 32-bit word of the message
342  *
343  * @param c first 32-bit word of the message
344  */
345 #define PD_GET_EXT_HEADER(c) ((c) & 0xffff)
346 
347 /**
348  * @brief Build an extended message header
349  *	  See Table 6-3 Extended Message Header
350  */
351 union pd_ext_header {
352 	struct {
353 		/** Number of total bytes in data block */
354 		uint16_t data_size : 9;
355 		/** Reserved */
356 		uint16_t reserved0 : 1;
357 		/** 1 for a chunked message, else 0 */
358 		uint16_t request_chunk : 1;
359 		/** Chunk number when chkd = 1, else 0 */
360 		uint16_t chunk_number : 4;
361 		/** 1 for chunked messages */
362 		uint16_t chunked : 1;
363 	};
364 	/** Raw PD Ext Header value */
365 	uint16_t raw_value;
366 };
367 
368 /**
369  * PDO - Power Data Object
370  * RDO - Request Data Object
371  */
372 
373 /**
374  * @brief Maximum number of 32-bit data objects sent in a single request
375  */
376 #define PDO_MAX_DATA_OBJECTS 7
377 
378 /**
379  * @brief Power Data Object Type
380  *	  Table 6-7 Power Data Object
381  */
382 enum pdo_type {
383 	/** Fixed supply (Vmin = Vmax) */
384 	PDO_FIXED       = 0,
385 	/** Battery */
386 	PDO_BATTERY     = 1,
387 	/** Variable Supply (non-Battery) */
388 	PDO_VARIABLE    = 2,
389 	/** Augmented Power Data Object (APDO) */
390 	PDO_AUGMENTED   = 3
391 };
392 
393 /**
394  * @brief Convert milliamps to Fixed PDO Current in 10mA units.
395  *
396  * @param c Current in milliamps
397  */
398 #define PD_CONVERT_MA_TO_FIXED_PDO_CURRENT(c) ((c) / 10)
399 
400 /**
401  * @brief Convert millivolts to Fixed PDO Voltage in 50mV units
402  *
403  * @param v Voltage in millivolts
404  */
405 #define PD_CONVERT_MV_TO_FIXED_PDO_VOLTAGE(v) ((v) / 50)
406 
407 /**
408  * @brief Convert a Fixed PDO Current from 10mA units to milliamps.
409  *
410  * @param c Fixed PDO current in 10mA units.
411  */
412 #define PD_CONVERT_FIXED_PDO_CURRENT_TO_MA(c) ((c) * 10)
413 
414 /**
415  * @brief Convert a Fixed PDO Voltage from 50mV units to millivolts.
416  *	  Used for converting pd_fixed_supply_pdo_source.voltage and
417  *	  pd_fixed_supply_pdo_sink.voltage
418  *
419  * @param v Fixed PDO voltage in 50mV units.
420  */
421 #define PD_CONVERT_FIXED_PDO_VOLTAGE_TO_MV(v) ((v) * 50)
422 
423 /**
424  * @brief Create a Fixed Supply PDO Source value
425  *	  See Table 6-9 Fixed Supply PDO - Source
426  */
427 union pd_fixed_supply_pdo_source {
428 	struct {
429 		/** Maximum Current in 10mA units */
430 		uint32_t max_current : 10;
431 		/** Voltage in 50mV units */
432 		uint32_t voltage : 10;
433 		/** Peak Current */
434 		uint32_t peak_current : 2;
435 		/** Reserved – Shall be set to zero. */
436 		uint32_t reserved0 : 2;
437 		/** Unchunked Extended Messages Supported */
438 		uint32_t unchunked_ext_msg_supported : 1;
439 		/** Dual-Role Data */
440 		uint32_t dual_role_data : 1;
441 		/** USB Communications Capable */
442 		uint32_t usb_comms_capable : 1;
443 		/** Unconstrained Power */
444 		uint32_t unconstrained_power : 1;
445 		/** USB Suspend Supported */
446 		uint32_t usb_suspend_supported : 1;
447 		/** Dual-Role Power */
448 		uint32_t dual_role_power : 1;
449 		/** Fixed supply. SET TO PDO_FIXED  */
450 		enum pdo_type type : 2;
451 	};
452 	/** Raw PDO value */
453 	uint32_t raw_value;
454 };
455 
456 /**
457  * @brief Fast Role Swap Required for USB Type-C current
458  */
459 enum pd_frs_type {
460 	/** Fast Swap not supported */
461 	FRS_NOT_SUPPORTED,
462 	/** Default USB Power */
463 	FRS_DEFAULT_USB_POWER,
464 	/** 1.5A @ 5V */
465 	FRS_1P5A_5V,
466 	/** 3.0A @ 5V */
467 	FRS_3P0A_5V
468 };
469 
470 /**
471  * @brief Create a Fixed Supply PDO Sink value
472  *	  See Table 6-14 Fixed Supply PDO - Sink
473  */
474 union pd_fixed_supply_pdo_sink {
475 	struct {
476 		/** Operational Current in 10mA units */
477 		uint32_t operational_current : 10;
478 		/** Voltage in 50mV units */
479 		uint32_t voltage : 10;
480 		/** Reserved – Shall be set to zero. */
481 		uint32_t reserved0 : 3;
482 		/** Fast Role Swap required USB Type-C Current */
483 		enum pd_frs_type frs_required : 2;
484 		/** Dual-Role Data */
485 		uint32_t dual_role_data : 1;
486 		/** USB Communications Capable */
487 		uint32_t usb_comms_capable : 1;
488 		/** Unconstrained Power */
489 		uint32_t unconstrained_power : 1;
490 		/** Higher Capability */
491 		uint32_t higher_capability : 1;
492 		/** Dual-Role Power */
493 		uint32_t dual_role_power : 1;
494 		/** Fixed supply. SET TO PDO_FIXED  */
495 		enum pdo_type type : 2;
496 	};
497 	/** Raw PDO value */
498 	uint32_t raw_value;
499 };
500 
501 /**
502  * @brief Convert milliamps to Variable PDO Current in 10ma units.
503  *
504  * @param c Current in milliamps
505  */
506 #define PD_CONVERT_MA_TO_VARIABLE_PDO_CURRENT(c) ((c) / 10)
507 
508 /**
509  * @brief Convert millivolts to Variable PDO Voltage in 50mV units
510  *
511  * @param v Voltage in millivolts
512  */
513 #define PD_CONVERT_MV_TO_VARIABLE_PDO_VOLTAGE(v) ((v) / 50)
514 
515 /**
516  * @brief Convert a Variable PDO Current from 10mA units to milliamps.
517  *
518  * @param c Variable PDO current in 10mA units.
519  */
520 #define PD_CONVERT_VARIABLE_PDO_CURRENT_TO_MA(c) ((c) * 10)
521 
522 /**
523  * @brief Convert a Variable PDO Voltage from 50mV units to millivolts.
524  *
525  * @param v Variable PDO voltage in 50mV units.
526  */
527 #define PD_CONVERT_VARIABLE_PDO_VOLTAGE_TO_MV(v) ((v) * 50)
528 
529 /**
530  * @brief Create a Variable Supply PDO Source value
531  *	  See Table 6-11 Variable Supply (non-Battery) PDO - Source
532  */
533 union pd_variable_supply_pdo_source {
534 	struct {
535 		/** Maximum Current in 10mA units */
536 		uint32_t max_current : 10;
537 		/** Minimum Voltage in 50mV units */
538 		uint32_t min_voltage : 10;
539 		/** Maximum Voltage in 50mV units */
540 		uint32_t max_voltage : 10;
541 		/** Variable supply. SET TO PDO_VARIABLE  */
542 		enum pdo_type type : 2;
543 	};
544 	/** Raw PDO value */
545 	uint32_t raw_value;
546 };
547 
548 /**
549  * @brief Create a Variable Supply PDO Sink value
550  *	  See Table 6-15 Variable Supply (non-Battery) PDO - Sink
551  */
552 union pd_variable_supply_pdo_sink {
553 	struct {
554 		/** operational Current in 10mA units */
555 		uint32_t operational_current : 10;
556 		/** Minimum Voltage in 50mV units */
557 		uint32_t min_voltage : 10;
558 		/** Maximum Voltage in 50mV units */
559 		uint32_t max_voltage : 10;
560 		/** Variable supply. SET TO PDO_VARIABLE  */
561 		enum pdo_type type : 2;
562 	};
563 	/** Raw PDO value */
564 	uint32_t raw_value;
565 };
566 
567 /**
568  * @brief Convert milliwatts to Battery PDO Power in 250mW units
569  *
570  * @param c Power in milliwatts
571  */
572 #define PD_CONVERT_MW_TO_BATTERY_PDO_POWER(c) ((c) / 250)
573 
574 /**
575  * @brief Convert milliwatts to Battery PDO Voltage in 50mV units
576  *
577  * @param v Voltage in millivolts
578  */
579 #define PD_CONVERT_MV_TO_BATTERY_PDO_VOLTAGE(v) ((v) / 50)
580 
581 /**
582  * @brief Convert a Battery PDO Power from 250mW units to milliwatts
583  *
584  * @param c Power in 250mW units.
585  */
586 #define PD_CONVERT_BATTERY_PDO_POWER_TO_MW(c) ((c) * 250)
587 
588 /**
589  * @brief Convert a Battery PDO Voltage from 50mV units to millivolts
590  *
591  * @param v Voltage in 50mV units.
592  */
593 #define PD_CONVERT_BATTERY_PDO_VOLTAGE_TO_MV(v) ((v) * 50)
594 
595 /**
596  * @brief Create a Battery Supply PDO Source value
597  *	  See Table 6-12 Battery Supply PDO - Source
598  */
599 union pd_battery_supply_pdo_source {
600 	struct {
601 		/** Maximum Allowable Power in 250mW units */
602 		uint32_t max_power : 10;
603 		/** Minimum Voltage in 50mV units */
604 		uint32_t min_voltage : 10;
605 		/** Maximum Voltage in 50mV units */
606 		uint32_t max_voltage : 10;
607 		/** Battery supply. SET TO PDO_BATTERY  */
608 		enum pdo_type type : 2;
609 	};
610 	/** Raw PDO value */
611 	uint32_t raw_value;
612 };
613 
614 /**
615  * @brief Create a Battery Supply PDO Sink value
616  *	  See Table 6-16 Battery Supply PDO - Sink
617  */
618 union pd_battery_supply_pdo_sink {
619 	struct {
620 		/** Operational Power in 250mW units */
621 		uint32_t operational_power : 10;
622 		/** Minimum Voltage in 50mV units */
623 		uint32_t min_voltage : 10;
624 		/** Maximum Voltage in 50mV units */
625 		uint32_t max_voltage : 10;
626 		/** Battery supply. SET TO PDO_BATTERY  */
627 		enum pdo_type type : 2;
628 	};
629 	/** Raw PDO value */
630 	uint32_t raw_value;
631 };
632 
633 /**
634  * @brief Convert milliamps to Augmented PDO Current in 50mA units
635  *
636  * @param c Current in milliamps
637  */
638 #define PD_CONVERT_MA_TO_AUGMENTED_PDO_CURRENT(c) ((c) / 50)
639 
640 /**
641  * @brief Convert millivolts to Augmented PDO Voltage in 100mV units
642  *
643  * @param v Voltage in millivolts
644  */
645 #define PD_CONVERT_MV_TO_AUGMENTED_PDO_VOLTAGE(v) ((v) / 100)
646 
647 /**
648  * @brief Convert an Augmented PDO Current from 50mA units to milliamps
649  *
650  * @param c Augmented PDO current in 50mA units.
651  */
652 #define PD_CONVERT_AUGMENTED_PDO_CURRENT_TO_MA(c) ((c) * 50)
653 
654 /**
655  * @brief Convert an Augmented PDO Voltage from 100mV units to millivolts
656  *
657  * @param v Augmented PDO voltage in 100mV units.
658  */
659 #define PD_CONVERT_AUGMENTED_PDO_VOLTAGE_TO_MV(v) ((v) * 100)
660 
661 /**
662  * @brief Create Augmented Supply PDO Source value
663  *	  See Table 6-13 Programmable Power Supply APDO - Source
664  */
665 union pd_augmented_supply_pdo_source {
666 	struct {
667 		/** Maximum Current in 50mA increments */
668 		uint32_t max_current : 7;
669 		/** Reserved – Shall be set to zero */
670 		uint32_t reserved0 : 1;
671 		/** Minimum Voltage in 100mV increments */
672 		uint32_t min_voltage : 8;
673 		/** Reserved – Shall be set to zero */
674 		uint32_t reserved1 : 1;
675 		/** Maximum Voltage in 100mV increments */
676 		uint32_t max_voltage : 8;
677 		/** Reserved – Shall be set to zero */
678 		uint32_t reserved2 : 2;
679 		/** PPS Power Limited */
680 		uint32_t pps_power_limited : 1;
681 		/**
682 		 * 00b – Programmable Power Supply
683 		 * 01b…11b - Reserved, Shall Not be used
684 		 * Setting as reserved because it defaults to 0 when not set.
685 		 */
686 		uint32_t reserved3 : 2;
687 		/** Augmented Power Data Object (APDO). SET TO PDO_AUGMENTED */
688 		enum pdo_type type : 2;
689 	};
690 	/** Raw PDO value */
691 	uint32_t raw_value;
692 };
693 
694 /**
695  * @brief Create Augmented Supply PDO Sink value
696  *	  See Table 6-17 Programmable Power Supply APDO - Sink
697  */
698 union pd_augmented_supply_pdo_sink {
699 	struct {
700 		/** Maximum Current in 50mA increments */
701 		uint32_t max_current : 7;
702 		/** Reserved – Shall be set to zero */
703 		uint32_t reserved0 : 1;
704 		/** Minimum Voltage in 100mV increments */
705 		uint32_t min_voltage : 8;
706 		/** Reserved – Shall be set to zero */
707 		uint32_t reserved1 : 1;
708 		/** Maximum Voltage in 100mV increments */
709 		uint32_t max_voltage : 8;
710 		/** Reserved – Shall be set to zero */
711 		uint32_t reserved2 : 3;
712 		/**
713 		 * 00b – Programmable Power Supply
714 		 * 01b…11b - Reserved, Shall Not be used
715 		 * Setting as reserved because it defaults to 0 when not set.
716 		 */
717 		uint32_t reserved3 : 2;
718 		/** Augmented Power Data Object (APDO). SET TO PDO_AUGMENTED */
719 		enum pdo_type type : 2;
720 	};
721 	/** Raw PDO value */
722 	uint32_t raw_value;
723 };
724 
725 /**
726  * @brief The Request Data Object (RDO) Shall be returned by the Sink making
727  *	  a request for power.
728  *	  See Section 6.4.2 Request Message
729  */
730 union pd_rdo {
731 	/**
732 	 * @brief Create a Fixed RDO value
733 	 * See Table 6-19 Fixed and Variable Request Data Object
734 	 */
735 	struct {
736 		/**
737 		 * Operating Current 10mA units
738 		 * NOTE: If Give Back Flag is zero, this field is
739 		 *       the Maximum Operating Current.
740 		 *       If Give Back Flag is one, this field is
741 		 *       the Minimum Operating Current.
742 		 */
743 		uint32_t min_or_max_operating_current : 10;
744 		/** Operating current in 10mA units */
745 		uint32_t operating_current : 10;
746 		/** Reserved - Shall be set to zero. */
747 		uint32_t reserved0 : 3;
748 		/** Unchunked Extended Messages Supported */
749 		uint32_t unchunked_ext_msg_supported : 1;
750 		/** No USB Suspend */
751 		uint32_t no_usb_suspend : 1;
752 		/** USB Communications Capable */
753 		uint32_t usb_comm_capable : 1;
754 		/** Capability Mismatch */
755 		uint32_t cap_mismatch : 1;
756 		/** Give Back Flag */
757 		uint32_t giveback : 1;
758 		/** Object Position (000b is Reserved and Shall Not be used) */
759 		uint32_t object_pos : 3;
760 		/** Reserved - Shall be set to zero. */
761 		uint32_t reserved1 : 1;
762 	} fixed;
763 
764 	/**
765 	 * @brief Create a Variable RDO value
766 	 * See Table 6-19 Fixed and Variable Request Data Object
767 	 */
768 	struct {
769 		/**
770 		 * Operating Current 10mA units
771 		 * NOTE: If Give Back Flag is zero, this field is
772 		 *       the Maximum Operating Current.
773 		 *       If Give Back Flag is one, this field is
774 		 *       the Minimum Operating Current.
775 		 */
776 		uint32_t min_or_max_operating_current : 10;
777 		/** Operating current in 10mA units */
778 		uint32_t operating_current : 10;
779 		/** Reserved - Shall be set to zero. */
780 		uint32_t reserved0 : 3;
781 		/** Unchunked Extended Messages Supported */
782 		uint32_t unchunked_ext_msg_supported : 1;
783 		/** No USB Suspend */
784 		uint32_t no_usb_suspend : 1;
785 		/** USB Communications Capable */
786 		uint32_t usb_comm_capable : 1;
787 		/** Capability Mismatch */
788 		uint32_t cap_mismatch : 1;
789 		/** Give Back Flag */
790 		uint32_t giveback : 1;
791 		/** Object Position (000b is Reserved and Shall Not be used) */
792 		uint32_t object_pos : 3;
793 		/** Reserved - Shall be set to zero. */
794 		uint32_t reserved1 : 1;
795 	} variable;
796 
797 	/**
798 	 * @brief Create a Battery RDO value
799 	 *        See Table 6-20 Battery Request Data Object
800 	 */
801 	struct {
802 		/** Minimum Operating Power in 250mW units */
803 		uint32_t min_operating_power : 10;
804 		/** Operating power in 250mW units */
805 		uint32_t operating_power : 10;
806 		/** Reserved - Shall be set to zero. */
807 		uint32_t reserved0 : 3;
808 		/** Unchunked Extended Messages Supported */
809 		uint32_t unchunked_ext_msg_supported : 1;
810 		/** No USB Suspend */
811 		uint32_t no_usb_suspend : 1;
812 		/** USB Communications Capable */
813 		uint32_t usb_comm_capable : 1;
814 		/** Capability Mismatch */
815 		uint32_t cap_mismatch : 1;
816 		/** Give Back Flag */
817 		uint32_t giveback : 1;
818 		/** Object Position (000b is Reserved and Shall Not be used) */
819 		uint32_t object_pos : 3;
820 		/** Reserved - Shall be set to zero. */
821 		uint32_t reserved1 : 1;
822 	} battery;
823 
824 	/**
825 	 * @brief Create an Augmented RDO value
826 	 *        See Table 6-22 Programmable Request Data Object
827 	 */
828 	struct {
829 		/** Operating Current 50mA units */
830 		uint32_t operating_current : 7;
831 		/** Reserved - Shall be set to zero. */
832 		uint32_t reserved0 : 2;
833 		/** Output Voltage in 20mV units */
834 		uint32_t output_voltage : 11;
835 		/** Reserved - Shall be set to zero. */
836 		uint32_t reserved1 : 3;
837 		/** Unchunked Extended Messages Supported */
838 		uint32_t unchunked_ext_msg_supported : 1;
839 		/** No USB Suspend */
840 		uint32_t no_usb_suspend : 1;
841 		/** USB Communications Capable */
842 		uint32_t usb_comm_capable : 1;
843 		/** Capability Mismatch */
844 		uint32_t cap_mismatch : 1;
845 		/** Reserved - Shall be set to zero */
846 		uint32_t reserved2 : 1;
847 		/** Object Position (000b is Reserved and Shall Not be used) */
848 		uint32_t object_pos : 3;
849 		/** Reserved - Shall be set to zero. */
850 		uint32_t reserved3 : 1;
851 	} augmented;
852 	/** Raw RDO value */
853 	uint32_t raw_value;
854 };
855 
856 /**
857  * @brief Protocol revision
858  */
859 enum pd_rev_type {
860 	/** PD revision 1.0 */
861 	PD_REV10        = 0,
862 	/** PD revision 2.0 */
863 	PD_REV20        = 1,
864 	/** PD revision 3.0 */
865 	PD_REV30        = 2,
866 };
867 
868 /**
869  * @brief Power Delivery packet type
870  *	  See USB Type-C Port Controller Interface Specification,
871  *	  Revision 2.0, Version 1.2, Table 4-38 TRANSMIT Register Definition
872  */
873 enum pd_packet_type {
874 	/** Port Partner message */
875 	PD_PACKET_SOP                   = 0,
876 	/** Cable Plug message */
877 	PD_PACKET_SOP_PRIME             = 1,
878 	/** Cable Plug message far end*/
879 	PD_PACKET_PRIME_PRIME           = 2,
880 	/** Currently undefined in the PD specification */
881 	PD_PACKET_DEBUG_PRIME           = 3,
882 	/** Currently undefined in the PD specification */
883 	PD_PACKET_DEBUG_PRIME_PRIME     = 4,
884 	/** Hard Reset message to the Port Partner */
885 	PD_PACKET_TX_HARD_RESET         = 5,
886 	/** Cable Reset message to the Cable */
887 	PD_PACKET_CABLE_RESET           = 6,
888 	/** BIST_MODE_2 message to the Port Partner */
889 	PD_PACKET_TX_BIST_MODE_2        = 7,
890 
891 	/** USED ONLY FOR RECEPTION OF UNKNOWN MSG TYPES */
892 	PD_PACKET_MSG_INVALID           = 0xf
893 };
894 
895 /**
896  * @brief Number of valid Transmit Types
897  */
898 #define NUM_SOP_STAR_TYPES (PD_PACKET_DEBUG_PRIME_PRIME + 1)
899 
900 /**
901  * @brief Control Message type
902  *	  See Table 6-5 Control Message Types
903  */
904 enum pd_ctrl_msg_type {
905 	/** 0 Reserved */
906 
907 	/** GoodCRC Message */
908 	PD_CTRL_GOOD_CRC        = 1,
909 	/** GotoMin Message */
910 	PD_CTRL_GOTO_MIN        = 2,
911 	/** Accept Message */
912 	PD_CTRL_ACCEPT          = 3,
913 	/** Reject Message */
914 	PD_CTRL_REJECT          = 4,
915 	/** Ping Message */
916 	PD_CTRL_PING            = 5,
917 	/** PS_RDY Message */
918 	PD_CTRL_PS_RDY          = 6,
919 	/** Get_Source_Cap Message */
920 	PD_CTRL_GET_SOURCE_CAP  = 7,
921 	/** Get_Sink_Cap Message */
922 	PD_CTRL_GET_SINK_CAP    = 8,
923 	/** DR_Swap Message */
924 	PD_CTRL_DR_SWAP         = 9,
925 	/** PR_Swap Message */
926 	PD_CTRL_PR_SWAP         = 10,
927 	/** VCONN_Swap Message */
928 	PD_CTRL_VCONN_SWAP      = 11,
929 	/** Wait Message */
930 	PD_CTRL_WAIT            = 12,
931 	/** Soft Reset Message */
932 	PD_CTRL_SOFT_RESET      = 13,
933 
934 	/** Used for REV 3.0 */
935 
936 	/** Data_Reset Message */
937 	PD_CTRL_DATA_RESET              = 14,
938 	/** Data_Reset_Complete Message */
939 	PD_CTRL_DATA_RESET_COMPLETE     = 15,
940 	/** Not_Supported Message */
941 	PD_CTRL_NOT_SUPPORTED           = 16,
942 	/** Get_Source_Cap_Extended Message */
943 	PD_CTRL_GET_SOURCE_CAP_EXT      = 17,
944 	/** Get_Status Message */
945 	PD_CTRL_GET_STATUS              = 18,
946 	/** FR_Swap Message */
947 	PD_CTRL_FR_SWAP                 = 19,
948 	/** Get_PPS_Status Message */
949 	PD_CTRL_GET_PPS_STATUS          = 20,
950 	/** Get_Country_Codes Message */
951 	PD_CTRL_GET_COUNTRY_CODES       = 21,
952 	/** Get_Sink_Cap_Extended Message */
953 	PD_CTRL_GET_SINK_CAP_EXT        = 22
954 
955 	/** 23-31 Reserved */
956 };
957 
958 /**
959  * @brief Data message type
960  *	  See Table 6-6 Data Message Types
961  */
962 enum pd_data_msg_type {
963 	/** 0 Reserved */
964 
965 	/** Source_Capabilities Message */
966 	PD_DATA_SOURCE_CAP              = 1,
967 	/** Request Message */
968 	PD_DATA_REQUEST                 = 2,
969 	/** BIST Message */
970 	PD_DATA_BIST                    = 3,
971 	/** Sink Capabilities Message */
972 	PD_DATA_SINK_CAP                = 4,
973 	/** 5-14 Reserved for REV 2.0 */
974 	PD_DATA_BATTERY_STATUS          = 5,
975 	/** Alert Message */
976 	PD_DATA_ALERT                   = 6,
977 	/** Get Country Info Message */
978 	PD_DATA_GET_COUNTRY_INFO        = 7,
979 
980 	/** 8-14 Reserved for REV 3.0 */
981 
982 	/** Enter USB message */
983 	PD_DATA_ENTER_USB       = 8,
984 	/** Vendor Defined Message */
985 	PD_DATA_VENDOR_DEF      = 15,
986 };
987 
988 /**
989  * @brief Extended message type for REV 3.0
990  *	  See Table 6-48 Extended Message Types
991  */
992 enum pd_ext_msg_type {
993 	/** 0 Reserved */
994 
995 	/** Source_Capabilities_Extended Message */
996 	PD_EXT_SOURCE_CAP               = 1,
997 	/** Status Message */
998 	PD_EXT_STATUS                   = 2,
999 	/** Get_Battery_Cap Message */
1000 	PD_EXT_GET_BATTERY_CAP          = 3,
1001 	/** Get_Battery_Status Message */
1002 	PD_EXT_GET_BATTERY_STATUS       = 4,
1003 	/** Battery_Capabilities Message */
1004 	PD_EXT_BATTERY_CAP              = 5,
1005 	/** Get_Manufacturer_Info Message */
1006 	PD_EXT_GET_MANUFACTURER_INFO    = 6,
1007 	/** Manufacturer_Info Message */
1008 	PD_EXT_MANUFACTURER_INFO        = 7,
1009 	/** Security_Request Message */
1010 	PD_EXT_SECURITY_REQUEST         = 8,
1011 	/** Security_Response Message */
1012 	PD_EXT_SECURITY_RESPONSE        = 9,
1013 	/** Firmware_Update_Request Message */
1014 	PD_EXT_FIRMWARE_UPDATE_REQUEST  = 10,
1015 	/** Firmware_Update_Response Message */
1016 	PD_EXT_FIRMWARE_UPDATE_RESPONSE = 11,
1017 	/** PPS_Status Message */
1018 	PD_EXT_PPS_STATUS               = 12,
1019 	/** Country_Codes Message */
1020 	PD_EXT_COUNTRY_INFO             = 13,
1021 	/** Country_Info Message */
1022 	PD_EXT_COUNTRY_CODES            = 14,
1023 
1024 	/*8 15-31 Reserved */
1025 };
1026 
1027 /**
1028  * @brief Active PD CC pin
1029  */
1030 enum usbpd_cc_pin {
1031 	/** PD is active on CC1 */
1032 	USBPD_CC_PIN_1  = 0,
1033 	/** PD is active on CC2 */
1034 	USBPD_CC_PIN_2  = 1,
1035 };
1036 
1037 /**
1038  * @brief Power Delivery message
1039  */
1040 struct pd_msg {
1041 	/** Type of this packet */
1042 	enum pd_packet_type type;
1043 	/** Header of this message */
1044 	union pd_header header;
1045 	/** Length of bytes in data */
1046 	uint32_t len;
1047 	/** Message data */
1048 	uint8_t data[PD_MAX_EXTENDED_MSG_LEN];
1049 };
1050 
1051 /**
1052  * @}
1053  */
1054 
1055 #ifdef __cplusplus
1056 }
1057 #endif
1058 
1059 #endif /* ZEPHYR_INCLUDE_DRIVERS_USBC_USBC_PD_H_ */
1060