1/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
2/*
3 * Copyright(c) 2014 - 2015 Google Inc. All rights reserved.
4 * Copyright(c) 2014 - 2015 Linaro Ltd. All rights reserved.
5 */
6
7#ifndef __GREYBUS_PROTOCOLS_H
8#define __GREYBUS_PROTOCOLS_H
9
10#include <linux/types.h>
11
12/* Fixed IDs for control/svc protocols */
13
14/* SVC switch-port device ids */
15#define GB_SVC_DEVICE_ID_SVC 0
16#define GB_SVC_DEVICE_ID_AP 1
17#define GB_SVC_DEVICE_ID_MIN 2
18#define GB_SVC_DEVICE_ID_MAX 31
19
20#define GB_SVC_CPORT_ID 0
21#define GB_CONTROL_BUNDLE_ID 0
22#define GB_CONTROL_CPORT_ID 0
23
24
25/*
26 * All operation messages (both requests and responses) begin with
27 * a header that encodes the size of the message (header included).
28 * This header also contains a unique identifier, that associates a
29 * response message with its operation. The header contains an
30 * operation type field, whose interpretation is dependent on what
31 * type of protocol is used over the connection. The high bit
32 * (0x80) of the operation type field is used to indicate whether
33 * the message is a request (clear) or a response (set).
34 *
35 * Response messages include an additional result byte, which
36 * communicates the result of the corresponding request. A zero
37 * result value means the operation completed successfully. Any
38 * other value indicates an error; in this case, the payload of the
39 * response message (if any) is ignored. The result byte must be
40 * zero in the header for a request message.
41 *
42 * The wire format for all numeric fields in the header is little
43 * endian. Any operation-specific data begins immediately after the
44 * header.
45 */
46struct gb_operation_msg_hdr {
47 __le16 size; /* Size in bytes of header + payload */
48 __le16 operation_id; /* Operation unique id */
49 __u8 type; /* E.g GB_I2C_TYPE_* or GB_GPIO_TYPE_* */
50 __u8 result; /* Result of request (in responses only) */
51 __u8 pad[2]; /* must be zero (ignore when read) */
52} __packed;
53
54
55/* Generic request types */
56#define GB_REQUEST_TYPE_CPORT_SHUTDOWN 0x00
57#define GB_REQUEST_TYPE_INVALID 0x7f
58
59struct gb_cport_shutdown_request {
60 __u8 phase;
61} __packed;
62
63
64/* Control Protocol */
65
66/* Greybus control request types */
67#define GB_CONTROL_TYPE_VERSION 0x01
68#define GB_CONTROL_TYPE_PROBE_AP 0x02
69#define GB_CONTROL_TYPE_GET_MANIFEST_SIZE 0x03
70#define GB_CONTROL_TYPE_GET_MANIFEST 0x04
71#define GB_CONTROL_TYPE_CONNECTED 0x05
72#define GB_CONTROL_TYPE_DISCONNECTED 0x06
73#define GB_CONTROL_TYPE_TIMESYNC_ENABLE 0x07
74#define GB_CONTROL_TYPE_TIMESYNC_DISABLE 0x08
75#define GB_CONTROL_TYPE_TIMESYNC_AUTHORITATIVE 0x09
76/* Unused 0x0a */
77#define GB_CONTROL_TYPE_BUNDLE_VERSION 0x0b
78#define GB_CONTROL_TYPE_DISCONNECTING 0x0c
79#define GB_CONTROL_TYPE_TIMESYNC_GET_LAST_EVENT 0x0d
80#define GB_CONTROL_TYPE_MODE_SWITCH 0x0e
81#define GB_CONTROL_TYPE_BUNDLE_SUSPEND 0x0f
82#define GB_CONTROL_TYPE_BUNDLE_RESUME 0x10
83#define GB_CONTROL_TYPE_BUNDLE_DEACTIVATE 0x11
84#define GB_CONTROL_TYPE_BUNDLE_ACTIVATE 0x12
85#define GB_CONTROL_TYPE_INTF_SUSPEND_PREPARE 0x13
86#define GB_CONTROL_TYPE_INTF_DEACTIVATE_PREPARE 0x14
87#define GB_CONTROL_TYPE_INTF_HIBERNATE_ABORT 0x15
88
89struct gb_control_version_request {
90 __u8 major;
91 __u8 minor;
92} __packed;
93
94struct gb_control_version_response {
95 __u8 major;
96 __u8 minor;
97} __packed;
98
99struct gb_control_bundle_version_request {
100 __u8 bundle_id;
101} __packed;
102
103struct gb_control_bundle_version_response {
104 __u8 major;
105 __u8 minor;
106} __packed;
107
108/* Control protocol manifest get size request has no payload*/
109struct gb_control_get_manifest_size_response {
110 __le16 size;
111} __packed;
112
113/* Control protocol manifest get request has no payload */
114struct gb_control_get_manifest_response {
115 __u8 data[0];
116} __packed;
117
118/* Control protocol [dis]connected request */
119struct gb_control_connected_request {
120 __le16 cport_id;
121} __packed;
122
123struct gb_control_disconnecting_request {
124 __le16 cport_id;
125} __packed;
126/* disconnecting response has no payload */
127
128struct gb_control_disconnected_request {
129 __le16 cport_id;
130} __packed;
131/* Control protocol [dis]connected response has no payload */
132
133/*
134 * All Bundle power management operations use the same request and response
135 * layout and status codes.
136 */
137
138#define GB_CONTROL_BUNDLE_PM_OK 0x00
139#define GB_CONTROL_BUNDLE_PM_INVAL 0x01
140#define GB_CONTROL_BUNDLE_PM_BUSY 0x02
141#define GB_CONTROL_BUNDLE_PM_FAIL 0x03
142#define GB_CONTROL_BUNDLE_PM_NA 0x04
143
144struct gb_control_bundle_pm_request {
145 __u8 bundle_id;
146} __packed;
147
148struct gb_control_bundle_pm_response {
149 __u8 status;
150} __packed;
151
152/*
153 * Interface Suspend Prepare and Deactivate Prepare operations use the same
154 * response layout and error codes. Define a single response structure and reuse
155 * it. Both operations have no payload.
156 */
157
158#define GB_CONTROL_INTF_PM_OK 0x00
159#define GB_CONTROL_INTF_PM_BUSY 0x01
160#define GB_CONTROL_INTF_PM_NA 0x02
161
162struct gb_control_intf_pm_response {
163 __u8 status;
164} __packed;
165
166/* APBridge protocol */
167
168/* request APB1 log */
169#define GB_APB_REQUEST_LOG 0x02
170
171/* request to map a cport to bulk in and bulk out endpoints */
172#define GB_APB_REQUEST_EP_MAPPING 0x03
173
174/* request to get the number of cports available */
175#define GB_APB_REQUEST_CPORT_COUNT 0x04
176
177/* request to reset a cport state */
178#define GB_APB_REQUEST_RESET_CPORT 0x05
179
180/* request to time the latency of messages on a given cport */
181#define GB_APB_REQUEST_LATENCY_TAG_EN 0x06
182#define GB_APB_REQUEST_LATENCY_TAG_DIS 0x07
183
184/* request to control the CSI transmitter */
185#define GB_APB_REQUEST_CSI_TX_CONTROL 0x08
186
187/* request to control audio streaming */
188#define GB_APB_REQUEST_AUDIO_CONTROL 0x09
189
190/* TimeSync requests */
191#define GB_APB_REQUEST_TIMESYNC_ENABLE 0x0d
192#define GB_APB_REQUEST_TIMESYNC_DISABLE 0x0e
193#define GB_APB_REQUEST_TIMESYNC_AUTHORITATIVE 0x0f
194#define GB_APB_REQUEST_TIMESYNC_GET_LAST_EVENT 0x10
195
196/* requests to set Greybus CPort flags */
197#define GB_APB_REQUEST_CPORT_FLAGS 0x11
198
199/* ARPC request */
200#define GB_APB_REQUEST_ARPC_RUN 0x12
201
202struct gb_apb_request_cport_flags {
203 __le32 flags;
204#define GB_APB_CPORT_FLAG_CONTROL 0x01
205#define GB_APB_CPORT_FLAG_HIGH_PRIO 0x02
206} __packed;
207
208
209/* Firmware Download Protocol */
210
211/* Request Types */
212#define GB_FW_DOWNLOAD_TYPE_FIND_FIRMWARE 0x01
213#define GB_FW_DOWNLOAD_TYPE_FETCH_FIRMWARE 0x02
214#define GB_FW_DOWNLOAD_TYPE_RELEASE_FIRMWARE 0x03
215
216#define GB_FIRMWARE_TAG_MAX_SIZE 10
217
218/* firmware download find firmware request/response */
219struct gb_fw_download_find_firmware_request {
220 __u8 firmware_tag[GB_FIRMWARE_TAG_MAX_SIZE];
221} __packed;
222
223struct gb_fw_download_find_firmware_response {
224 __u8 firmware_id;
225 __le32 size;
226} __packed;
227
228/* firmware download fetch firmware request/response */
229struct gb_fw_download_fetch_firmware_request {
230 __u8 firmware_id;
231 __le32 offset;
232 __le32 size;
233} __packed;
234
235/* gb_fw_download_fetch_firmware_response contains no other data */
236
237/* firmware download release firmware request */
238struct gb_fw_download_release_firmware_request {
239 __u8 firmware_id;
240} __packed;
241/* firmware download release firmware response has no payload */
242
243
244/* Firmware Management Protocol */
245
246/* Request Types */
247#define GB_FW_MGMT_TYPE_INTERFACE_FW_VERSION 0x01
248#define GB_FW_MGMT_TYPE_LOAD_AND_VALIDATE_FW 0x02
249#define GB_FW_MGMT_TYPE_LOADED_FW 0x03
250#define GB_FW_MGMT_TYPE_BACKEND_FW_VERSION 0x04
251#define GB_FW_MGMT_TYPE_BACKEND_FW_UPDATE 0x05
252#define GB_FW_MGMT_TYPE_BACKEND_FW_UPDATED 0x06
253
254#define GB_FW_LOAD_METHOD_UNIPRO 0x01
255#define GB_FW_LOAD_METHOD_INTERNAL 0x02
256
257#define GB_FW_LOAD_STATUS_FAILED 0x00
258#define GB_FW_LOAD_STATUS_UNVALIDATED 0x01
259#define GB_FW_LOAD_STATUS_VALIDATED 0x02
260#define GB_FW_LOAD_STATUS_VALIDATION_FAILED 0x03
261
262#define GB_FW_BACKEND_FW_STATUS_SUCCESS 0x01
263#define GB_FW_BACKEND_FW_STATUS_FAIL_FIND 0x02
264#define GB_FW_BACKEND_FW_STATUS_FAIL_FETCH 0x03
265#define GB_FW_BACKEND_FW_STATUS_FAIL_WRITE 0x04
266#define GB_FW_BACKEND_FW_STATUS_INT 0x05
267#define GB_FW_BACKEND_FW_STATUS_RETRY 0x06
268#define GB_FW_BACKEND_FW_STATUS_NOT_SUPPORTED 0x07
269
270#define GB_FW_BACKEND_VERSION_STATUS_SUCCESS 0x01
271#define GB_FW_BACKEND_VERSION_STATUS_NOT_AVAILABLE 0x02
272#define GB_FW_BACKEND_VERSION_STATUS_NOT_SUPPORTED 0x03
273#define GB_FW_BACKEND_VERSION_STATUS_RETRY 0x04
274#define GB_FW_BACKEND_VERSION_STATUS_FAIL_INT 0x05
275
276/* firmware management interface firmware version request has no payload */
277struct gb_fw_mgmt_interface_fw_version_response {
278 __u8 firmware_tag[GB_FIRMWARE_TAG_MAX_SIZE];
279 __le16 major;
280 __le16 minor;
281} __packed;
282
283/* firmware management load and validate firmware request/response */
284struct gb_fw_mgmt_load_and_validate_fw_request {
285 __u8 request_id;
286 __u8 load_method;
287 __u8 firmware_tag[GB_FIRMWARE_TAG_MAX_SIZE];
288} __packed;
289/* firmware management load and validate firmware response has no payload*/
290
291/* firmware management loaded firmware request */
292struct gb_fw_mgmt_loaded_fw_request {
293 __u8 request_id;
294 __u8 status;
295 __le16 major;
296 __le16 minor;
297} __packed;
298/* firmware management loaded firmware response has no payload */
299
300/* firmware management backend firmware version request/response */
301struct gb_fw_mgmt_backend_fw_version_request {
302 __u8 firmware_tag[GB_FIRMWARE_TAG_MAX_SIZE];
303} __packed;
304
305struct gb_fw_mgmt_backend_fw_version_response {
306 __le16 major;
307 __le16 minor;
308 __u8 status;
309} __packed;
310
311/* firmware management backend firmware update request */
312struct gb_fw_mgmt_backend_fw_update_request {
313 __u8 request_id;
314 __u8 firmware_tag[GB_FIRMWARE_TAG_MAX_SIZE];
315} __packed;
316/* firmware management backend firmware update response has no payload */
317
318/* firmware management backend firmware updated request */
319struct gb_fw_mgmt_backend_fw_updated_request {
320 __u8 request_id;
321 __u8 status;
322} __packed;
323/* firmware management backend firmware updated response has no payload */
324
325
326/* Component Authentication Protocol (CAP) */
327
328/* Request Types */
329#define GB_CAP_TYPE_GET_ENDPOINT_UID 0x01
330#define GB_CAP_TYPE_GET_IMS_CERTIFICATE 0x02
331#define GB_CAP_TYPE_AUTHENTICATE 0x03
332
333/* CAP get endpoint uid request has no payload */
334struct gb_cap_get_endpoint_uid_response {
335 __u8 uid[8];
336} __packed;
337
338/* CAP get endpoint ims certificate request/response */
339struct gb_cap_get_ims_certificate_request {
340 __le32 certificate_class;
341 __le32 certificate_id;
342} __packed;
343
344struct gb_cap_get_ims_certificate_response {
345 __u8 result_code;
346 __u8 certificate[];
347} __packed;
348
349/* CAP authenticate request/response */
350struct gb_cap_authenticate_request {
351 __le32 auth_type;
352 __u8 uid[8];
353 __u8 challenge[32];
354} __packed;
355
356struct gb_cap_authenticate_response {
357 __u8 result_code;
358 __u8 response[64];
359 __u8 signature[];
360} __packed;
361
362
363/* Bootrom Protocol */
364
365/* Version of the Greybus bootrom protocol we support */
366#define GB_BOOTROM_VERSION_MAJOR 0x00
367#define GB_BOOTROM_VERSION_MINOR 0x01
368
369/* Greybus bootrom request types */
370#define GB_BOOTROM_TYPE_VERSION 0x01
371#define GB_BOOTROM_TYPE_FIRMWARE_SIZE 0x02
372#define GB_BOOTROM_TYPE_GET_FIRMWARE 0x03
373#define GB_BOOTROM_TYPE_READY_TO_BOOT 0x04
374#define GB_BOOTROM_TYPE_AP_READY 0x05 /* Request with no-payload */
375#define GB_BOOTROM_TYPE_GET_VID_PID 0x06 /* Request with no-payload */
376
377/* Greybus bootrom boot stages */
378#define GB_BOOTROM_BOOT_STAGE_ONE 0x01 /* Reserved for the boot ROM */
379#define GB_BOOTROM_BOOT_STAGE_TWO 0x02 /* Bootrom package to be loaded by the boot ROM */
380#define GB_BOOTROM_BOOT_STAGE_THREE 0x03 /* Module personality package loaded by Stage 2 firmware */
381
382/* Greybus bootrom ready to boot status */
383#define GB_BOOTROM_BOOT_STATUS_INVALID 0x00 /* Firmware blob could not be validated */
384#define GB_BOOTROM_BOOT_STATUS_INSECURE 0x01 /* Firmware blob is valid but insecure */
385#define GB_BOOTROM_BOOT_STATUS_SECURE 0x02 /* Firmware blob is valid and secure */
386
387/* Max bootrom data fetch size in bytes */
388#define GB_BOOTROM_FETCH_MAX 2000
389
390struct gb_bootrom_version_request {
391 __u8 major;
392 __u8 minor;
393} __packed;
394
395struct gb_bootrom_version_response {
396 __u8 major;
397 __u8 minor;
398} __packed;
399
400/* Bootrom protocol firmware size request/response */
401struct gb_bootrom_firmware_size_request {
402 __u8 stage;
403} __packed;
404
405struct gb_bootrom_firmware_size_response {
406 __le32 size;
407} __packed;
408
409/* Bootrom protocol get firmware request/response */
410struct gb_bootrom_get_firmware_request {
411 __le32 offset;
412 __le32 size;
413} __packed;
414
415/* gb_bootrom_get_firmware_response contains no other data */
416
417/* Bootrom protocol Ready to boot request */
418struct gb_bootrom_ready_to_boot_request {
419 __u8 status;
420} __packed;
421/* Bootrom protocol Ready to boot response has no payload */
422
423/* Bootrom protocol get VID/PID request has no payload */
424struct gb_bootrom_get_vid_pid_response {
425 __le32 vendor_id;
426 __le32 product_id;
427} __packed;
428
429
430/* Power Supply */
431
432/* Greybus power supply request types */
433#define GB_POWER_SUPPLY_TYPE_GET_SUPPLIES 0x02
434#define GB_POWER_SUPPLY_TYPE_GET_DESCRIPTION 0x03
435#define GB_POWER_SUPPLY_TYPE_GET_PROP_DESCRIPTORS 0x04
436#define GB_POWER_SUPPLY_TYPE_GET_PROPERTY 0x05
437#define GB_POWER_SUPPLY_TYPE_SET_PROPERTY 0x06
438#define GB_POWER_SUPPLY_TYPE_EVENT 0x07
439
440/* Greybus power supply battery technologies types */
441#define GB_POWER_SUPPLY_TECH_UNKNOWN 0x0000
442#define GB_POWER_SUPPLY_TECH_NiMH 0x0001
443#define GB_POWER_SUPPLY_TECH_LION 0x0002
444#define GB_POWER_SUPPLY_TECH_LIPO 0x0003
445#define GB_POWER_SUPPLY_TECH_LiFe 0x0004
446#define GB_POWER_SUPPLY_TECH_NiCd 0x0005
447#define GB_POWER_SUPPLY_TECH_LiMn 0x0006
448
449/* Greybus power supply types */
450#define GB_POWER_SUPPLY_UNKNOWN_TYPE 0x0000
451#define GB_POWER_SUPPLY_BATTERY_TYPE 0x0001
452#define GB_POWER_SUPPLY_UPS_TYPE 0x0002
453#define GB_POWER_SUPPLY_MAINS_TYPE 0x0003
454#define GB_POWER_SUPPLY_USB_TYPE 0x0004
455#define GB_POWER_SUPPLY_USB_DCP_TYPE 0x0005
456#define GB_POWER_SUPPLY_USB_CDP_TYPE 0x0006
457#define GB_POWER_SUPPLY_USB_ACA_TYPE 0x0007
458
459/* Greybus power supply health values */
460#define GB_POWER_SUPPLY_HEALTH_UNKNOWN 0x0000
461#define GB_POWER_SUPPLY_HEALTH_GOOD 0x0001
462#define GB_POWER_SUPPLY_HEALTH_OVERHEAT 0x0002
463#define GB_POWER_SUPPLY_HEALTH_DEAD 0x0003
464#define GB_POWER_SUPPLY_HEALTH_OVERVOLTAGE 0x0004
465#define GB_POWER_SUPPLY_HEALTH_UNSPEC_FAILURE 0x0005
466#define GB_POWER_SUPPLY_HEALTH_COLD 0x0006
467#define GB_POWER_SUPPLY_HEALTH_WATCHDOG_TIMER_EXPIRE 0x0007
468#define GB_POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE 0x0008
469
470/* Greybus power supply status values */
471#define GB_POWER_SUPPLY_STATUS_UNKNOWN 0x0000
472#define GB_POWER_SUPPLY_STATUS_CHARGING 0x0001
473#define GB_POWER_SUPPLY_STATUS_DISCHARGING 0x0002
474#define GB_POWER_SUPPLY_STATUS_NOT_CHARGING 0x0003
475#define GB_POWER_SUPPLY_STATUS_FULL 0x0004
476
477/* Greybus power supply capacity level values */
478#define GB_POWER_SUPPLY_CAPACITY_LEVEL_UNKNOWN 0x0000
479#define GB_POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL 0x0001
480#define GB_POWER_SUPPLY_CAPACITY_LEVEL_LOW 0x0002
481#define GB_POWER_SUPPLY_CAPACITY_LEVEL_NORMAL 0x0003
482#define GB_POWER_SUPPLY_CAPACITY_LEVEL_HIGH 0x0004
483#define GB_POWER_SUPPLY_CAPACITY_LEVEL_FULL 0x0005
484
485/* Greybus power supply scope values */
486#define GB_POWER_SUPPLY_SCOPE_UNKNOWN 0x0000
487#define GB_POWER_SUPPLY_SCOPE_SYSTEM 0x0001
488#define GB_POWER_SUPPLY_SCOPE_DEVICE 0x0002
489
490struct gb_power_supply_get_supplies_response {
491 __u8 supplies_count;
492} __packed;
493
494struct gb_power_supply_get_description_request {
495 __u8 psy_id;
496} __packed;
497
498struct gb_power_supply_get_description_response {
499 __u8 manufacturer[32];
500 __u8 model[32];
501 __u8 serial_number[32];
502 __le16 type;
503 __u8 properties_count;
504} __packed;
505
506struct gb_power_supply_props_desc {
507 __u8 property;
508#define GB_POWER_SUPPLY_PROP_STATUS 0x00
509#define GB_POWER_SUPPLY_PROP_CHARGE_TYPE 0x01
510#define GB_POWER_SUPPLY_PROP_HEALTH 0x02
511#define GB_POWER_SUPPLY_PROP_PRESENT 0x03
512#define GB_POWER_SUPPLY_PROP_ONLINE 0x04
513#define GB_POWER_SUPPLY_PROP_AUTHENTIC 0x05
514#define GB_POWER_SUPPLY_PROP_TECHNOLOGY 0x06
515#define GB_POWER_SUPPLY_PROP_CYCLE_COUNT 0x07
516#define GB_POWER_SUPPLY_PROP_VOLTAGE_MAX 0x08
517#define GB_POWER_SUPPLY_PROP_VOLTAGE_MIN 0x09
518#define GB_POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN 0x0A
519#define GB_POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN 0x0B
520#define GB_POWER_SUPPLY_PROP_VOLTAGE_NOW 0x0C
521#define GB_POWER_SUPPLY_PROP_VOLTAGE_AVG 0x0D
522#define GB_POWER_SUPPLY_PROP_VOLTAGE_OCV 0x0E
523#define GB_POWER_SUPPLY_PROP_VOLTAGE_BOOT 0x0F
524#define GB_POWER_SUPPLY_PROP_CURRENT_MAX 0x10
525#define GB_POWER_SUPPLY_PROP_CURRENT_NOW 0x11
526#define GB_POWER_SUPPLY_PROP_CURRENT_AVG 0x12
527#define GB_POWER_SUPPLY_PROP_CURRENT_BOOT 0x13
528#define GB_POWER_SUPPLY_PROP_POWER_NOW 0x14
529#define GB_POWER_SUPPLY_PROP_POWER_AVG 0x15
530#define GB_POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN 0x16
531#define GB_POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN 0x17
532#define GB_POWER_SUPPLY_PROP_CHARGE_FULL 0x18
533#define GB_POWER_SUPPLY_PROP_CHARGE_EMPTY 0x19
534#define GB_POWER_SUPPLY_PROP_CHARGE_NOW 0x1A
535#define GB_POWER_SUPPLY_PROP_CHARGE_AVG 0x1B
536#define GB_POWER_SUPPLY_PROP_CHARGE_COUNTER 0x1C
537#define GB_POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT 0x1D
538#define GB_POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX 0x1E
539#define GB_POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE 0x1F
540#define GB_POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX 0x20
541#define GB_POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT 0x21
542#define GB_POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT_MAX 0x22
543#define GB_POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT 0x23
544#define GB_POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN 0x24
545#define GB_POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN 0x25
546#define GB_POWER_SUPPLY_PROP_ENERGY_FULL 0x26
547#define GB_POWER_SUPPLY_PROP_ENERGY_EMPTY 0x27
548#define GB_POWER_SUPPLY_PROP_ENERGY_NOW 0x28
549#define GB_POWER_SUPPLY_PROP_ENERGY_AVG 0x29
550#define GB_POWER_SUPPLY_PROP_CAPACITY 0x2A
551#define GB_POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN 0x2B
552#define GB_POWER_SUPPLY_PROP_CAPACITY_ALERT_MAX 0x2C
553#define GB_POWER_SUPPLY_PROP_CAPACITY_LEVEL 0x2D
554#define GB_POWER_SUPPLY_PROP_TEMP 0x2E
555#define GB_POWER_SUPPLY_PROP_TEMP_MAX 0x2F
556#define GB_POWER_SUPPLY_PROP_TEMP_MIN 0x30
557#define GB_POWER_SUPPLY_PROP_TEMP_ALERT_MIN 0x31
558#define GB_POWER_SUPPLY_PROP_TEMP_ALERT_MAX 0x32
559#define GB_POWER_SUPPLY_PROP_TEMP_AMBIENT 0x33
560#define GB_POWER_SUPPLY_PROP_TEMP_AMBIENT_ALERT_MIN 0x34
561#define GB_POWER_SUPPLY_PROP_TEMP_AMBIENT_ALERT_MAX 0x35
562#define GB_POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW 0x36
563#define GB_POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG 0x37
564#define GB_POWER_SUPPLY_PROP_TIME_TO_FULL_NOW 0x38
565#define GB_POWER_SUPPLY_PROP_TIME_TO_FULL_AVG 0x39
566#define GB_POWER_SUPPLY_PROP_TYPE 0x3A
567#define GB_POWER_SUPPLY_PROP_SCOPE 0x3B
568#define GB_POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT 0x3C
569#define GB_POWER_SUPPLY_PROP_CALIBRATE 0x3D
570 __u8 is_writeable;
571} __packed;
572
573struct gb_power_supply_get_property_descriptors_request {
574 __u8 psy_id;
575} __packed;
576
577struct gb_power_supply_get_property_descriptors_response {
578 __u8 properties_count;
579 struct gb_power_supply_props_desc props[];
580} __packed;
581
582struct gb_power_supply_get_property_request {
583 __u8 psy_id;
584 __u8 property;
585} __packed;
586
587struct gb_power_supply_get_property_response {
588 __le32 prop_val;
589};
590
591struct gb_power_supply_set_property_request {
592 __u8 psy_id;
593 __u8 property;
594 __le32 prop_val;
595} __packed;
596
597struct gb_power_supply_event_request {
598 __u8 psy_id;
599 __u8 event;
600#define GB_POWER_SUPPLY_UPDATE 0x01
601} __packed;
602
603
604/* HID */
605
606/* Greybus HID operation types */
607#define GB_HID_TYPE_GET_DESC 0x02
608#define GB_HID_TYPE_GET_REPORT_DESC 0x03
609#define GB_HID_TYPE_PWR_ON 0x04
610#define GB_HID_TYPE_PWR_OFF 0x05
611#define GB_HID_TYPE_GET_REPORT 0x06
612#define GB_HID_TYPE_SET_REPORT 0x07
613#define GB_HID_TYPE_IRQ_EVENT 0x08
614
615/* Report type */
616#define GB_HID_INPUT_REPORT 0
617#define GB_HID_OUTPUT_REPORT 1
618#define GB_HID_FEATURE_REPORT 2
619
620/* Different request/response structures */
621/* HID get descriptor response */
622struct gb_hid_desc_response {
623 __u8 bLength;
624 __le16 wReportDescLength;
625 __le16 bcdHID;
626 __le16 wProductID;
627 __le16 wVendorID;
628 __u8 bCountryCode;
629} __packed;
630
631/* HID get report request/response */
632struct gb_hid_get_report_request {
633 __u8 report_type;
634 __u8 report_id;
635} __packed;
636
637/* HID set report request */
638struct gb_hid_set_report_request {
639 __u8 report_type;
640 __u8 report_id;
641 __u8 report[];
642} __packed;
643
644/* HID input report request, via interrupt pipe */
645struct gb_hid_input_report_request {
646 __u8 report[0];
647} __packed;
648
649
650/* I2C */
651
652/* Greybus i2c request types */
653#define GB_I2C_TYPE_FUNCTIONALITY 0x02
654#define GB_I2C_TYPE_TRANSFER 0x05
655
656/* functionality request has no payload */
657struct gb_i2c_functionality_response {
658 __le32 functionality;
659} __packed;
660
661/*
662 * Outgoing data immediately follows the op count and ops array.
663 * The data for each write (master -> slave) op in the array is sent
664 * in order, with no (e.g. pad) bytes separating them.
665 *
666 * Short reads cause the entire transfer request to fail So response
667 * payload consists only of bytes read, and the number of bytes is
668 * exactly what was specified in the corresponding op. Like
669 * outgoing data, the incoming data is in order and contiguous.
670 */
671struct gb_i2c_transfer_op {
672 __le16 addr;
673 __le16 flags;
674 __le16 size;
675} __packed;
676
677struct gb_i2c_transfer_request {
678 __le16 op_count;
679 struct gb_i2c_transfer_op ops[]; /* op_count of these */
680} __packed;
681struct gb_i2c_transfer_response {
682 __u8 data[0]; /* inbound data */
683} __packed;
684
685
686/* GPIO */
687
688/* Greybus GPIO request types */
689#define GB_GPIO_TYPE_LINE_COUNT 0x02
690#define GB_GPIO_TYPE_ACTIVATE 0x03
691#define GB_GPIO_TYPE_DEACTIVATE 0x04
692#define GB_GPIO_TYPE_GET_DIRECTION 0x05
693#define GB_GPIO_TYPE_DIRECTION_IN 0x06
694#define GB_GPIO_TYPE_DIRECTION_OUT 0x07
695#define GB_GPIO_TYPE_GET_VALUE 0x08
696#define GB_GPIO_TYPE_SET_VALUE 0x09
697#define GB_GPIO_TYPE_SET_DEBOUNCE 0x0a
698#define GB_GPIO_TYPE_IRQ_TYPE 0x0b
699#define GB_GPIO_TYPE_IRQ_MASK 0x0c
700#define GB_GPIO_TYPE_IRQ_UNMASK 0x0d
701#define GB_GPIO_TYPE_IRQ_EVENT 0x0e
702
703#define GB_GPIO_IRQ_TYPE_NONE 0x00
704#define GB_GPIO_IRQ_TYPE_EDGE_RISING 0x01
705#define GB_GPIO_IRQ_TYPE_EDGE_FALLING 0x02
706#define GB_GPIO_IRQ_TYPE_EDGE_BOTH 0x03
707#define GB_GPIO_IRQ_TYPE_LEVEL_HIGH 0x04
708#define GB_GPIO_IRQ_TYPE_LEVEL_LOW 0x08
709
710/* line count request has no payload */
711struct gb_gpio_line_count_response {
712 __u8 count;
713} __packed;
714
715struct gb_gpio_activate_request {
716 __u8 which;
717} __packed;
718/* activate response has no payload */
719
720struct gb_gpio_deactivate_request {
721 __u8 which;
722} __packed;
723/* deactivate response has no payload */
724
725struct gb_gpio_get_direction_request {
726 __u8 which;
727} __packed;
728struct gb_gpio_get_direction_response {
729 __u8 direction;
730} __packed;
731
732struct gb_gpio_direction_in_request {
733 __u8 which;
734} __packed;
735/* direction in response has no payload */
736
737struct gb_gpio_direction_out_request {
738 __u8 which;
739 __u8 value;
740} __packed;
741/* direction out response has no payload */
742
743struct gb_gpio_get_value_request {
744 __u8 which;
745} __packed;
746struct gb_gpio_get_value_response {
747 __u8 value;
748} __packed;
749
750struct gb_gpio_set_value_request {
751 __u8 which;
752 __u8 value;
753} __packed;
754/* set value response has no payload */
755
756struct gb_gpio_set_debounce_request {
757 __u8 which;
758 __le16 usec;
759} __packed;
760/* debounce response has no payload */
761
762struct gb_gpio_irq_type_request {
763 __u8 which;
764 __u8 type;
765} __packed;
766/* irq type response has no payload */
767
768struct gb_gpio_irq_mask_request {
769 __u8 which;
770} __packed;
771/* irq mask response has no payload */
772
773struct gb_gpio_irq_unmask_request {
774 __u8 which;
775} __packed;
776/* irq unmask response has no payload */
777
778/* irq event requests originate on another module and are handled on the AP */
779struct gb_gpio_irq_event_request {
780 __u8 which;
781} __packed;
782/* irq event has no response */
783
784
785/* PWM */
786
787/* Greybus PWM operation types */
788#define GB_PWM_TYPE_PWM_COUNT 0x02
789#define GB_PWM_TYPE_ACTIVATE 0x03
790#define GB_PWM_TYPE_DEACTIVATE 0x04
791#define GB_PWM_TYPE_CONFIG 0x05
792#define GB_PWM_TYPE_POLARITY 0x06
793#define GB_PWM_TYPE_ENABLE 0x07
794#define GB_PWM_TYPE_DISABLE 0x08
795
796/* pwm count request has no payload */
797struct gb_pwm_count_response {
798 __u8 count;
799} __packed;
800
801struct gb_pwm_activate_request {
802 __u8 which;
803} __packed;
804
805struct gb_pwm_deactivate_request {
806 __u8 which;
807} __packed;
808
809struct gb_pwm_config_request {
810 __u8 which;
811 __le32 duty;
812 __le32 period;
813} __packed;
814
815struct gb_pwm_polarity_request {
816 __u8 which;
817 __u8 polarity;
818} __packed;
819
820struct gb_pwm_enable_request {
821 __u8 which;
822} __packed;
823
824struct gb_pwm_disable_request {
825 __u8 which;
826} __packed;
827
828/* SPI */
829
830/* Should match up with modes in linux/spi/spi.h */
831#define GB_SPI_MODE_CPHA 0x01 /* clock phase */
832#define GB_SPI_MODE_CPOL 0x02 /* clock polarity */
833#define GB_SPI_MODE_MODE_0 (0 | 0) /* (original MicroWire) */
834#define GB_SPI_MODE_MODE_1 (0 | GB_SPI_MODE_CPHA)
835#define GB_SPI_MODE_MODE_2 (GB_SPI_MODE_CPOL | 0)
836#define GB_SPI_MODE_MODE_3 (GB_SPI_MODE_CPOL | GB_SPI_MODE_CPHA)
837#define GB_SPI_MODE_CS_HIGH 0x04 /* chipselect active high? */
838#define GB_SPI_MODE_LSB_FIRST 0x08 /* per-word bits-on-wire */
839#define GB_SPI_MODE_3WIRE 0x10 /* SI/SO signals shared */
840#define GB_SPI_MODE_LOOP 0x20 /* loopback mode */
841#define GB_SPI_MODE_NO_CS 0x40 /* 1 dev/bus, no chipselect */
842#define GB_SPI_MODE_READY 0x80 /* slave pulls low to pause */
843
844/* Should match up with flags in linux/spi/spi.h */
845#define GB_SPI_FLAG_HALF_DUPLEX BIT(0) /* can't do full duplex */
846#define GB_SPI_FLAG_NO_RX BIT(1) /* can't do buffer read */
847#define GB_SPI_FLAG_NO_TX BIT(2) /* can't do buffer write */
848
849/* Greybus spi operation types */
850#define GB_SPI_TYPE_MASTER_CONFIG 0x02
851#define GB_SPI_TYPE_DEVICE_CONFIG 0x03
852#define GB_SPI_TYPE_TRANSFER 0x04
853
854/* mode request has no payload */
855struct gb_spi_master_config_response {
856 __le32 bits_per_word_mask;
857 __le32 min_speed_hz;
858 __le32 max_speed_hz;
859 __le16 mode;
860 __le16 flags;
861 __u8 num_chipselect;
862} __packed;
863
864struct gb_spi_device_config_request {
865 __u8 chip_select;
866} __packed;
867
868struct gb_spi_device_config_response {
869 __le16 mode;
870 __u8 bits_per_word;
871 __le32 max_speed_hz;
872 __u8 device_type;
873#define GB_SPI_SPI_DEV 0x00
874#define GB_SPI_SPI_NOR 0x01
875#define GB_SPI_SPI_MODALIAS 0x02
876 __u8 name[32];
877} __packed;
878
879/**
880 * struct gb_spi_transfer - a read/write buffer pair
881 * @speed_hz: Select a speed other than the device default for this transfer. If
882 * 0 the default (from @spi_device) is used.
883 * @len: size of rx and tx buffers (in bytes)
884 * @delay_usecs: microseconds to delay after this transfer before (optionally)
885 * changing the chipselect status, then starting the next transfer or
886 * completing this spi_message.
887 * @cs_change: affects chipselect after this transfer completes
888 * @bits_per_word: select a bits_per_word other than the device default for this
889 * transfer. If 0 the default (from @spi_device) is used.
890 */
891struct gb_spi_transfer {
892 __le32 speed_hz;
893 __le32 len;
894 __le16 delay_usecs;
895 __u8 cs_change;
896 __u8 bits_per_word;
897 __u8 xfer_flags;
898#define GB_SPI_XFER_READ 0x01
899#define GB_SPI_XFER_WRITE 0x02
900#define GB_SPI_XFER_INPROGRESS 0x04
901} __packed;
902
903struct gb_spi_transfer_request {
904 __u8 chip_select; /* of the spi device */
905 __u8 mode; /* of the spi device */
906 __le16 count;
907 struct gb_spi_transfer transfers[]; /* count of these */
908} __packed;
909
910struct gb_spi_transfer_response {
911 __u8 data[0]; /* inbound data */
912} __packed;
913
914/* Version of the Greybus SVC protocol we support */
915#define GB_SVC_VERSION_MAJOR 0x00
916#define GB_SVC_VERSION_MINOR 0x01
917
918/* Greybus SVC request types */
919#define GB_SVC_TYPE_PROTOCOL_VERSION 0x01
920#define GB_SVC_TYPE_SVC_HELLO 0x02
921#define GB_SVC_TYPE_INTF_DEVICE_ID 0x03
922#define GB_SVC_TYPE_INTF_RESET 0x06
923#define GB_SVC_TYPE_CONN_CREATE 0x07
924#define GB_SVC_TYPE_CONN_DESTROY 0x08
925#define GB_SVC_TYPE_DME_PEER_GET 0x09
926#define GB_SVC_TYPE_DME_PEER_SET 0x0a
927#define GB_SVC_TYPE_ROUTE_CREATE 0x0b
928#define GB_SVC_TYPE_ROUTE_DESTROY 0x0c
929#define GB_SVC_TYPE_TIMESYNC_ENABLE 0x0d
930#define GB_SVC_TYPE_TIMESYNC_DISABLE 0x0e
931#define GB_SVC_TYPE_TIMESYNC_AUTHORITATIVE 0x0f
932#define GB_SVC_TYPE_INTF_SET_PWRM 0x10
933#define GB_SVC_TYPE_INTF_EJECT 0x11
934#define GB_SVC_TYPE_PING 0x13
935#define GB_SVC_TYPE_PWRMON_RAIL_COUNT_GET 0x14
936#define GB_SVC_TYPE_PWRMON_RAIL_NAMES_GET 0x15
937#define GB_SVC_TYPE_PWRMON_SAMPLE_GET 0x16
938#define GB_SVC_TYPE_PWRMON_INTF_SAMPLE_GET 0x17
939#define GB_SVC_TYPE_TIMESYNC_WAKE_PINS_ACQUIRE 0x18
940#define GB_SVC_TYPE_TIMESYNC_WAKE_PINS_RELEASE 0x19
941#define GB_SVC_TYPE_TIMESYNC_PING 0x1a
942#define GB_SVC_TYPE_MODULE_INSERTED 0x1f
943#define GB_SVC_TYPE_MODULE_REMOVED 0x20
944#define GB_SVC_TYPE_INTF_VSYS_ENABLE 0x21
945#define GB_SVC_TYPE_INTF_VSYS_DISABLE 0x22
946#define GB_SVC_TYPE_INTF_REFCLK_ENABLE 0x23
947#define GB_SVC_TYPE_INTF_REFCLK_DISABLE 0x24
948#define GB_SVC_TYPE_INTF_UNIPRO_ENABLE 0x25
949#define GB_SVC_TYPE_INTF_UNIPRO_DISABLE 0x26
950#define GB_SVC_TYPE_INTF_ACTIVATE 0x27
951#define GB_SVC_TYPE_INTF_RESUME 0x28
952#define GB_SVC_TYPE_INTF_MAILBOX_EVENT 0x29
953#define GB_SVC_TYPE_INTF_OOPS 0x2a
954
955/* Greybus SVC protocol status values */
956#define GB_SVC_OP_SUCCESS 0x00
957#define GB_SVC_OP_UNKNOWN_ERROR 0x01
958#define GB_SVC_INTF_NOT_DETECTED 0x02
959#define GB_SVC_INTF_NO_UPRO_LINK 0x03
960#define GB_SVC_INTF_UPRO_NOT_DOWN 0x04
961#define GB_SVC_INTF_UPRO_NOT_HIBERNATED 0x05
962#define GB_SVC_INTF_NO_V_SYS 0x06
963#define GB_SVC_INTF_V_CHG 0x07
964#define GB_SVC_INTF_WAKE_BUSY 0x08
965#define GB_SVC_INTF_NO_REFCLK 0x09
966#define GB_SVC_INTF_RELEASING 0x0a
967#define GB_SVC_INTF_NO_ORDER 0x0b
968#define GB_SVC_INTF_MBOX_SET 0x0c
969#define GB_SVC_INTF_BAD_MBOX 0x0d
970#define GB_SVC_INTF_OP_TIMEOUT 0x0e
971#define GB_SVC_PWRMON_OP_NOT_PRESENT 0x0f
972
973struct gb_svc_version_request {
974 __u8 major;
975 __u8 minor;
976} __packed;
977
978struct gb_svc_version_response {
979 __u8 major;
980 __u8 minor;
981} __packed;
982
983/* SVC protocol hello request */
984struct gb_svc_hello_request {
985 __le16 endo_id;
986 __u8 interface_id;
987} __packed;
988/* hello response has no payload */
989
990struct gb_svc_intf_device_id_request {
991 __u8 intf_id;
992 __u8 device_id;
993} __packed;
994/* device id response has no payload */
995
996struct gb_svc_intf_reset_request {
997 __u8 intf_id;
998} __packed;
999/* interface reset response has no payload */
1000
1001struct gb_svc_intf_eject_request {
1002 __u8 intf_id;
1003} __packed;
1004/* interface eject response has no payload */
1005
1006struct gb_svc_conn_create_request {
1007 __u8 intf1_id;
1008 __le16 cport1_id;
1009 __u8 intf2_id;
1010 __le16 cport2_id;
1011 __u8 tc;
1012 __u8 flags;
1013} __packed;
1014/* connection create response has no payload */
1015
1016struct gb_svc_conn_destroy_request {
1017 __u8 intf1_id;
1018 __le16 cport1_id;
1019 __u8 intf2_id;
1020 __le16 cport2_id;
1021} __packed;
1022/* connection destroy response has no payload */
1023
1024struct gb_svc_dme_peer_get_request {
1025 __u8 intf_id;
1026 __le16 attr;
1027 __le16 selector;
1028} __packed;
1029
1030struct gb_svc_dme_peer_get_response {
1031 __le16 result_code;
1032 __le32 attr_value;
1033} __packed;
1034
1035struct gb_svc_dme_peer_set_request {
1036 __u8 intf_id;
1037 __le16 attr;
1038 __le16 selector;
1039 __le32 value;
1040} __packed;
1041
1042struct gb_svc_dme_peer_set_response {
1043 __le16 result_code;
1044} __packed;
1045
1046/* Greybus init-status values, currently retrieved using DME peer gets. */
1047#define GB_INIT_SPI_BOOT_STARTED 0x02
1048#define GB_INIT_TRUSTED_SPI_BOOT_FINISHED 0x03
1049#define GB_INIT_UNTRUSTED_SPI_BOOT_FINISHED 0x04
1050#define GB_INIT_BOOTROM_UNIPRO_BOOT_STARTED 0x06
1051#define GB_INIT_BOOTROM_FALLBACK_UNIPRO_BOOT_STARTED 0x09
1052#define GB_INIT_S2_LOADER_BOOT_STARTED 0x0D
1053
1054struct gb_svc_route_create_request {
1055 __u8 intf1_id;
1056 __u8 dev1_id;
1057 __u8 intf2_id;
1058 __u8 dev2_id;
1059} __packed;
1060/* route create response has no payload */
1061
1062struct gb_svc_route_destroy_request {
1063 __u8 intf1_id;
1064 __u8 intf2_id;
1065} __packed;
1066/* route destroy response has no payload */
1067
1068/* used for svc_intf_vsys_{enable,disable} */
1069struct gb_svc_intf_vsys_request {
1070 __u8 intf_id;
1071} __packed;
1072
1073struct gb_svc_intf_vsys_response {
1074 __u8 result_code;
1075#define GB_SVC_INTF_VSYS_OK 0x00
1076 /* 0x01 is reserved */
1077#define GB_SVC_INTF_VSYS_FAIL 0x02
1078} __packed;
1079
1080/* used for svc_intf_refclk_{enable,disable} */
1081struct gb_svc_intf_refclk_request {
1082 __u8 intf_id;
1083} __packed;
1084
1085struct gb_svc_intf_refclk_response {
1086 __u8 result_code;
1087#define GB_SVC_INTF_REFCLK_OK 0x00
1088 /* 0x01 is reserved */
1089#define GB_SVC_INTF_REFCLK_FAIL 0x02
1090} __packed;
1091
1092/* used for svc_intf_unipro_{enable,disable} */
1093struct gb_svc_intf_unipro_request {
1094 __u8 intf_id;
1095} __packed;
1096
1097struct gb_svc_intf_unipro_response {
1098 __u8 result_code;
1099#define GB_SVC_INTF_UNIPRO_OK 0x00
1100 /* 0x01 is reserved */
1101#define GB_SVC_INTF_UNIPRO_FAIL 0x02
1102#define GB_SVC_INTF_UNIPRO_NOT_OFF 0x03
1103} __packed;
1104
1105#define GB_SVC_UNIPRO_FAST_MODE 0x01
1106#define GB_SVC_UNIPRO_SLOW_MODE 0x02
1107#define GB_SVC_UNIPRO_FAST_AUTO_MODE 0x04
1108#define GB_SVC_UNIPRO_SLOW_AUTO_MODE 0x05
1109#define GB_SVC_UNIPRO_MODE_UNCHANGED 0x07
1110#define GB_SVC_UNIPRO_HIBERNATE_MODE 0x11
1111#define GB_SVC_UNIPRO_OFF_MODE 0x12
1112
1113#define GB_SVC_SMALL_AMPLITUDE 0x01
1114#define GB_SVC_LARGE_AMPLITUDE 0x02
1115
1116#define GB_SVC_NO_DE_EMPHASIS 0x00
1117#define GB_SVC_SMALL_DE_EMPHASIS 0x01
1118#define GB_SVC_LARGE_DE_EMPHASIS 0x02
1119
1120#define GB_SVC_PWRM_RXTERMINATION 0x01
1121#define GB_SVC_PWRM_TXTERMINATION 0x02
1122#define GB_SVC_PWRM_LINE_RESET 0x04
1123#define GB_SVC_PWRM_SCRAMBLING 0x20
1124
1125#define GB_SVC_PWRM_QUIRK_HSSER 0x00000001
1126
1127#define GB_SVC_UNIPRO_HS_SERIES_A 0x01
1128#define GB_SVC_UNIPRO_HS_SERIES_B 0x02
1129
1130#define GB_SVC_SETPWRM_PWR_OK 0x00
1131#define GB_SVC_SETPWRM_PWR_LOCAL 0x01
1132#define GB_SVC_SETPWRM_PWR_REMOTE 0x02
1133#define GB_SVC_SETPWRM_PWR_BUSY 0x03
1134#define GB_SVC_SETPWRM_PWR_ERROR_CAP 0x04
1135#define GB_SVC_SETPWRM_PWR_FATAL_ERROR 0x05
1136
1137struct gb_svc_l2_timer_cfg {
1138 __le16 tsb_fc0_protection_timeout;
1139 __le16 tsb_tc0_replay_timeout;
1140 __le16 tsb_afc0_req_timeout;
1141 __le16 tsb_fc1_protection_timeout;
1142 __le16 tsb_tc1_replay_timeout;
1143 __le16 tsb_afc1_req_timeout;
1144 __le16 reserved_for_tc2[3];
1145 __le16 reserved_for_tc3[3];
1146} __packed;
1147
1148struct gb_svc_intf_set_pwrm_request {
1149 __u8 intf_id;
1150 __u8 hs_series;
1151 __u8 tx_mode;
1152 __u8 tx_gear;
1153 __u8 tx_nlanes;
1154 __u8 tx_amplitude;
1155 __u8 tx_hs_equalizer;
1156 __u8 rx_mode;
1157 __u8 rx_gear;
1158 __u8 rx_nlanes;
1159 __u8 flags;
1160 __le32 quirks;
1161 struct gb_svc_l2_timer_cfg local_l2timerdata, remote_l2timerdata;
1162} __packed;
1163
1164struct gb_svc_intf_set_pwrm_response {
1165 __u8 result_code;
1166} __packed;
1167
1168struct gb_svc_key_event_request {
1169 __le16 key_code;
1170#define GB_KEYCODE_ARA 0x00
1171
1172 __u8 key_event;
1173#define GB_SVC_KEY_RELEASED 0x00
1174#define GB_SVC_KEY_PRESSED 0x01
1175} __packed;
1176
1177#define GB_SVC_PWRMON_MAX_RAIL_COUNT 254
1178
1179struct gb_svc_pwrmon_rail_count_get_response {
1180 __u8 rail_count;
1181} __packed;
1182
1183#define GB_SVC_PWRMON_RAIL_NAME_BUFSIZE 32
1184
1185struct gb_svc_pwrmon_rail_names_get_response {
1186 __u8 status;
1187 __u8 name[][GB_SVC_PWRMON_RAIL_NAME_BUFSIZE];
1188} __packed;
1189
1190#define GB_SVC_PWRMON_TYPE_CURR 0x01
1191#define GB_SVC_PWRMON_TYPE_VOL 0x02
1192#define GB_SVC_PWRMON_TYPE_PWR 0x03
1193
1194#define GB_SVC_PWRMON_GET_SAMPLE_OK 0x00
1195#define GB_SVC_PWRMON_GET_SAMPLE_INVAL 0x01
1196#define GB_SVC_PWRMON_GET_SAMPLE_NOSUPP 0x02
1197#define GB_SVC_PWRMON_GET_SAMPLE_HWERR 0x03
1198
1199struct gb_svc_pwrmon_sample_get_request {
1200 __u8 rail_id;
1201 __u8 measurement_type;
1202} __packed;
1203
1204struct gb_svc_pwrmon_sample_get_response {
1205 __u8 result;
1206 __le32 measurement;
1207} __packed;
1208
1209struct gb_svc_pwrmon_intf_sample_get_request {
1210 __u8 intf_id;
1211 __u8 measurement_type;
1212} __packed;
1213
1214struct gb_svc_pwrmon_intf_sample_get_response {
1215 __u8 result;
1216 __le32 measurement;
1217} __packed;
1218
1219#define GB_SVC_MODULE_INSERTED_FLAG_NO_PRIMARY 0x0001
1220
1221struct gb_svc_module_inserted_request {
1222 __u8 primary_intf_id;
1223 __u8 intf_count;
1224 __le16 flags;
1225} __packed;
1226/* module_inserted response has no payload */
1227
1228struct gb_svc_module_removed_request {
1229 __u8 primary_intf_id;
1230} __packed;
1231/* module_removed response has no payload */
1232
1233struct gb_svc_intf_activate_request {
1234 __u8 intf_id;
1235} __packed;
1236
1237#define GB_SVC_INTF_TYPE_UNKNOWN 0x00
1238#define GB_SVC_INTF_TYPE_DUMMY 0x01
1239#define GB_SVC_INTF_TYPE_UNIPRO 0x02
1240#define GB_SVC_INTF_TYPE_GREYBUS 0x03
1241
1242struct gb_svc_intf_activate_response {
1243 __u8 status;
1244 __u8 intf_type;
1245} __packed;
1246
1247struct gb_svc_intf_resume_request {
1248 __u8 intf_id;
1249} __packed;
1250
1251struct gb_svc_intf_resume_response {
1252 __u8 status;
1253} __packed;
1254
1255#define GB_SVC_INTF_MAILBOX_NONE 0x00
1256#define GB_SVC_INTF_MAILBOX_AP 0x01
1257#define GB_SVC_INTF_MAILBOX_GREYBUS 0x02
1258
1259struct gb_svc_intf_mailbox_event_request {
1260 __u8 intf_id;
1261 __le16 result_code;
1262 __le32 mailbox;
1263} __packed;
1264/* intf_mailbox_event response has no payload */
1265
1266struct gb_svc_intf_oops_request {
1267 __u8 intf_id;
1268 __u8 reason;
1269} __packed;
1270/* intf_oops response has no payload */
1271
1272
1273/* RAW */
1274
1275/* Greybus raw request types */
1276#define GB_RAW_TYPE_SEND 0x02
1277
1278struct gb_raw_send_request {
1279 __le32 len;
1280 __u8 data[];
1281} __packed;
1282
1283
1284/* UART */
1285
1286/* Greybus UART operation types */
1287#define GB_UART_TYPE_SEND_DATA 0x02
1288#define GB_UART_TYPE_RECEIVE_DATA 0x03 /* Unsolicited data */
1289#define GB_UART_TYPE_SET_LINE_CODING 0x04
1290#define GB_UART_TYPE_SET_CONTROL_LINE_STATE 0x05
1291#define GB_UART_TYPE_SEND_BREAK 0x06
1292#define GB_UART_TYPE_SERIAL_STATE 0x07 /* Unsolicited data */
1293#define GB_UART_TYPE_RECEIVE_CREDITS 0x08
1294#define GB_UART_TYPE_FLUSH_FIFOS 0x09
1295
1296/* Represents data from AP -> Module */
1297struct gb_uart_send_data_request {
1298 __le16 size;
1299 __u8 data[];
1300} __packed;
1301
1302/* recv-data-request flags */
1303#define GB_UART_RECV_FLAG_FRAMING 0x01 /* Framing error */
1304#define GB_UART_RECV_FLAG_PARITY 0x02 /* Parity error */
1305#define GB_UART_RECV_FLAG_OVERRUN 0x04 /* Overrun error */
1306#define GB_UART_RECV_FLAG_BREAK 0x08 /* Break */
1307
1308/* Represents data from Module -> AP */
1309struct gb_uart_recv_data_request {
1310 __le16 size;
1311 __u8 flags;
1312 __u8 data[];
1313} __packed;
1314
1315struct gb_uart_receive_credits_request {
1316 __le16 count;
1317} __packed;
1318
1319struct gb_uart_set_line_coding_request {
1320 __le32 rate;
1321 __u8 format;
1322#define GB_SERIAL_1_STOP_BITS 0
1323#define GB_SERIAL_1_5_STOP_BITS 1
1324#define GB_SERIAL_2_STOP_BITS 2
1325
1326 __u8 parity;
1327#define GB_SERIAL_NO_PARITY 0
1328#define GB_SERIAL_ODD_PARITY 1
1329#define GB_SERIAL_EVEN_PARITY 2
1330#define GB_SERIAL_MARK_PARITY 3
1331#define GB_SERIAL_SPACE_PARITY 4
1332
1333 __u8 data_bits;
1334
1335 __u8 flow_control;
1336#define GB_SERIAL_AUTO_RTSCTS_EN 0x1
1337} __packed;
1338
1339/* output control lines */
1340#define GB_UART_CTRL_DTR 0x01
1341#define GB_UART_CTRL_RTS 0x02
1342
1343struct gb_uart_set_control_line_state_request {
1344 __u8 control;
1345} __packed;
1346
1347struct gb_uart_set_break_request {
1348 __u8 state;
1349} __packed;
1350
1351/* input control lines and line errors */
1352#define GB_UART_CTRL_DCD 0x01
1353#define GB_UART_CTRL_DSR 0x02
1354#define GB_UART_CTRL_RI 0x04
1355
1356struct gb_uart_serial_state_request {
1357 __u8 control;
1358} __packed;
1359
1360struct gb_uart_serial_flush_request {
1361 __u8 flags;
1362#define GB_SERIAL_FLAG_FLUSH_TRANSMITTER 0x01
1363#define GB_SERIAL_FLAG_FLUSH_RECEIVER 0x02
1364} __packed;
1365
1366/* Loopback */
1367
1368/* Greybus loopback request types */
1369#define GB_LOOPBACK_TYPE_PING 0x02
1370#define GB_LOOPBACK_TYPE_TRANSFER 0x03
1371#define GB_LOOPBACK_TYPE_SINK 0x04
1372
1373/*
1374 * Loopback request/response header format should be identical
1375 * to simplify bandwidth and data movement analysis.
1376 */
1377struct gb_loopback_transfer_request {
1378 __le32 len;
1379 __le32 reserved0;
1380 __le32 reserved1;
1381 __u8 data[];
1382} __packed;
1383
1384struct gb_loopback_transfer_response {
1385 __le32 len;
1386 __le32 reserved0;
1387 __le32 reserved1;
1388 __u8 data[];
1389} __packed;
1390
1391/* SDIO */
1392/* Greybus SDIO operation types */
1393#define GB_SDIO_TYPE_GET_CAPABILITIES 0x02
1394#define GB_SDIO_TYPE_SET_IOS 0x03
1395#define GB_SDIO_TYPE_COMMAND 0x04
1396#define GB_SDIO_TYPE_TRANSFER 0x05
1397#define GB_SDIO_TYPE_EVENT 0x06
1398
1399/* get caps response: request has no payload */
1400struct gb_sdio_get_caps_response {
1401 __le32 caps;
1402#define GB_SDIO_CAP_NONREMOVABLE 0x00000001
1403#define GB_SDIO_CAP_4_BIT_DATA 0x00000002
1404#define GB_SDIO_CAP_8_BIT_DATA 0x00000004
1405#define GB_SDIO_CAP_MMC_HS 0x00000008
1406#define GB_SDIO_CAP_SD_HS 0x00000010
1407#define GB_SDIO_CAP_ERASE 0x00000020
1408#define GB_SDIO_CAP_1_2V_DDR 0x00000040
1409#define GB_SDIO_CAP_1_8V_DDR 0x00000080
1410#define GB_SDIO_CAP_POWER_OFF_CARD 0x00000100
1411#define GB_SDIO_CAP_UHS_SDR12 0x00000200
1412#define GB_SDIO_CAP_UHS_SDR25 0x00000400
1413#define GB_SDIO_CAP_UHS_SDR50 0x00000800
1414#define GB_SDIO_CAP_UHS_SDR104 0x00001000
1415#define GB_SDIO_CAP_UHS_DDR50 0x00002000
1416#define GB_SDIO_CAP_DRIVER_TYPE_A 0x00004000
1417#define GB_SDIO_CAP_DRIVER_TYPE_C 0x00008000
1418#define GB_SDIO_CAP_DRIVER_TYPE_D 0x00010000
1419#define GB_SDIO_CAP_HS200_1_2V 0x00020000
1420#define GB_SDIO_CAP_HS200_1_8V 0x00040000
1421#define GB_SDIO_CAP_HS400_1_2V 0x00080000
1422#define GB_SDIO_CAP_HS400_1_8V 0x00100000
1423
1424 /* see possible values below at vdd */
1425 __le32 ocr;
1426 __le32 f_min;
1427 __le32 f_max;
1428 __le16 max_blk_count;
1429 __le16 max_blk_size;
1430} __packed;
1431
1432/* set ios request: response has no payload */
1433struct gb_sdio_set_ios_request {
1434 __le32 clock;
1435 __le32 vdd;
1436#define GB_SDIO_VDD_165_195 0x00000001
1437#define GB_SDIO_VDD_20_21 0x00000002
1438#define GB_SDIO_VDD_21_22 0x00000004
1439#define GB_SDIO_VDD_22_23 0x00000008
1440#define GB_SDIO_VDD_23_24 0x00000010
1441#define GB_SDIO_VDD_24_25 0x00000020
1442#define GB_SDIO_VDD_25_26 0x00000040
1443#define GB_SDIO_VDD_26_27 0x00000080
1444#define GB_SDIO_VDD_27_28 0x00000100
1445#define GB_SDIO_VDD_28_29 0x00000200
1446#define GB_SDIO_VDD_29_30 0x00000400
1447#define GB_SDIO_VDD_30_31 0x00000800
1448#define GB_SDIO_VDD_31_32 0x00001000
1449#define GB_SDIO_VDD_32_33 0x00002000
1450#define GB_SDIO_VDD_33_34 0x00004000
1451#define GB_SDIO_VDD_34_35 0x00008000
1452#define GB_SDIO_VDD_35_36 0x00010000
1453
1454 __u8 bus_mode;
1455#define GB_SDIO_BUSMODE_OPENDRAIN 0x00
1456#define GB_SDIO_BUSMODE_PUSHPULL 0x01
1457
1458 __u8 power_mode;
1459#define GB_SDIO_POWER_OFF 0x00
1460#define GB_SDIO_POWER_UP 0x01
1461#define GB_SDIO_POWER_ON 0x02
1462#define GB_SDIO_POWER_UNDEFINED 0x03
1463
1464 __u8 bus_width;
1465#define GB_SDIO_BUS_WIDTH_1 0x00
1466#define GB_SDIO_BUS_WIDTH_4 0x02
1467#define GB_SDIO_BUS_WIDTH_8 0x03
1468
1469 __u8 timing;
1470#define GB_SDIO_TIMING_LEGACY 0x00
1471#define GB_SDIO_TIMING_MMC_HS 0x01
1472#define GB_SDIO_TIMING_SD_HS 0x02
1473#define GB_SDIO_TIMING_UHS_SDR12 0x03
1474#define GB_SDIO_TIMING_UHS_SDR25 0x04
1475#define GB_SDIO_TIMING_UHS_SDR50 0x05
1476#define GB_SDIO_TIMING_UHS_SDR104 0x06
1477#define GB_SDIO_TIMING_UHS_DDR50 0x07
1478#define GB_SDIO_TIMING_MMC_DDR52 0x08
1479#define GB_SDIO_TIMING_MMC_HS200 0x09
1480#define GB_SDIO_TIMING_MMC_HS400 0x0A
1481
1482 __u8 signal_voltage;
1483#define GB_SDIO_SIGNAL_VOLTAGE_330 0x00
1484#define GB_SDIO_SIGNAL_VOLTAGE_180 0x01
1485#define GB_SDIO_SIGNAL_VOLTAGE_120 0x02
1486
1487 __u8 drv_type;
1488#define GB_SDIO_SET_DRIVER_TYPE_B 0x00
1489#define GB_SDIO_SET_DRIVER_TYPE_A 0x01
1490#define GB_SDIO_SET_DRIVER_TYPE_C 0x02
1491#define GB_SDIO_SET_DRIVER_TYPE_D 0x03
1492} __packed;
1493
1494/* command request */
1495struct gb_sdio_command_request {
1496 __u8 cmd;
1497 __u8 cmd_flags;
1498#define GB_SDIO_RSP_NONE 0x00
1499#define GB_SDIO_RSP_PRESENT 0x01
1500#define GB_SDIO_RSP_136 0x02
1501#define GB_SDIO_RSP_CRC 0x04
1502#define GB_SDIO_RSP_BUSY 0x08
1503#define GB_SDIO_RSP_OPCODE 0x10
1504
1505 __u8 cmd_type;
1506#define GB_SDIO_CMD_AC 0x00
1507#define GB_SDIO_CMD_ADTC 0x01
1508#define GB_SDIO_CMD_BC 0x02
1509#define GB_SDIO_CMD_BCR 0x03
1510
1511 __le32 cmd_arg;
1512 __le16 data_blocks;
1513 __le16 data_blksz;
1514} __packed;
1515
1516struct gb_sdio_command_response {
1517 __le32 resp[4];
1518} __packed;
1519
1520/* transfer request */
1521struct gb_sdio_transfer_request {
1522 __u8 data_flags;
1523#define GB_SDIO_DATA_WRITE 0x01
1524#define GB_SDIO_DATA_READ 0x02
1525#define GB_SDIO_DATA_STREAM 0x04
1526
1527 __le16 data_blocks;
1528 __le16 data_blksz;
1529 __u8 data[];
1530} __packed;
1531
1532struct gb_sdio_transfer_response {
1533 __le16 data_blocks;
1534 __le16 data_blksz;
1535 __u8 data[];
1536} __packed;
1537
1538/* event request: generated by module and is defined as unidirectional */
1539struct gb_sdio_event_request {
1540 __u8 event;
1541#define GB_SDIO_CARD_INSERTED 0x01
1542#define GB_SDIO_CARD_REMOVED 0x02
1543#define GB_SDIO_WP 0x04
1544} __packed;
1545
1546/* Camera */
1547
1548/* Greybus Camera request types */
1549#define GB_CAMERA_TYPE_CAPABILITIES 0x02
1550#define GB_CAMERA_TYPE_CONFIGURE_STREAMS 0x03
1551#define GB_CAMERA_TYPE_CAPTURE 0x04
1552#define GB_CAMERA_TYPE_FLUSH 0x05
1553#define GB_CAMERA_TYPE_METADATA 0x06
1554
1555#define GB_CAMERA_MAX_STREAMS 4
1556#define GB_CAMERA_MAX_SETTINGS_SIZE 8192
1557
1558/* Greybus Camera Configure Streams request payload */
1559struct gb_camera_stream_config_request {
1560 __le16 width;
1561 __le16 height;
1562 __le16 format;
1563 __le16 padding;
1564} __packed;
1565
1566struct gb_camera_configure_streams_request {
1567 __u8 num_streams;
1568 __u8 flags;
1569#define GB_CAMERA_CONFIGURE_STREAMS_TEST_ONLY 0x01
1570 __le16 padding;
1571 struct gb_camera_stream_config_request config[];
1572} __packed;
1573
1574/* Greybus Camera Configure Streams response payload */
1575struct gb_camera_stream_config_response {
1576 __le16 width;
1577 __le16 height;
1578 __le16 format;
1579 __u8 virtual_channel;
1580 __u8 data_type[2];
1581 __le16 max_pkt_size;
1582 __u8 padding;
1583 __le32 max_size;
1584} __packed;
1585
1586struct gb_camera_configure_streams_response {
1587 __u8 num_streams;
1588#define GB_CAMERA_CONFIGURE_STREAMS_ADJUSTED 0x01
1589 __u8 flags;
1590 __u8 padding[2];
1591 __le32 data_rate;
1592 struct gb_camera_stream_config_response config[];
1593};
1594
1595/* Greybus Camera Capture request payload - response has no payload */
1596struct gb_camera_capture_request {
1597 __le32 request_id;
1598 __u8 streams;
1599 __u8 padding;
1600 __le16 num_frames;
1601 __u8 settings[];
1602} __packed;
1603
1604/* Greybus Camera Flush response payload - request has no payload */
1605struct gb_camera_flush_response {
1606 __le32 request_id;
1607} __packed;
1608
1609/* Greybus Camera Metadata request payload - operation has no response */
1610struct gb_camera_metadata_request {
1611 __le32 request_id;
1612 __le16 frame_number;
1613 __u8 stream;
1614 __u8 padding;
1615 __u8 metadata[];
1616} __packed;
1617
1618/* Lights */
1619
1620/* Greybus Lights request types */
1621#define GB_LIGHTS_TYPE_GET_LIGHTS 0x02
1622#define GB_LIGHTS_TYPE_GET_LIGHT_CONFIG 0x03
1623#define GB_LIGHTS_TYPE_GET_CHANNEL_CONFIG 0x04
1624#define GB_LIGHTS_TYPE_GET_CHANNEL_FLASH_CONFIG 0x05
1625#define GB_LIGHTS_TYPE_SET_BRIGHTNESS 0x06
1626#define GB_LIGHTS_TYPE_SET_BLINK 0x07
1627#define GB_LIGHTS_TYPE_SET_COLOR 0x08
1628#define GB_LIGHTS_TYPE_SET_FADE 0x09
1629#define GB_LIGHTS_TYPE_EVENT 0x0A
1630#define GB_LIGHTS_TYPE_SET_FLASH_INTENSITY 0x0B
1631#define GB_LIGHTS_TYPE_SET_FLASH_STROBE 0x0C
1632#define GB_LIGHTS_TYPE_SET_FLASH_TIMEOUT 0x0D
1633#define GB_LIGHTS_TYPE_GET_FLASH_FAULT 0x0E
1634
1635/* Greybus Light modes */
1636
1637/*
1638 * if you add any specific mode below, update also the
1639 * GB_CHANNEL_MODE_DEFINED_RANGE value accordingly
1640 */
1641#define GB_CHANNEL_MODE_NONE 0x00000000
1642#define GB_CHANNEL_MODE_BATTERY 0x00000001
1643#define GB_CHANNEL_MODE_POWER 0x00000002
1644#define GB_CHANNEL_MODE_WIRELESS 0x00000004
1645#define GB_CHANNEL_MODE_BLUETOOTH 0x00000008
1646#define GB_CHANNEL_MODE_KEYBOARD 0x00000010
1647#define GB_CHANNEL_MODE_BUTTONS 0x00000020
1648#define GB_CHANNEL_MODE_NOTIFICATION 0x00000040
1649#define GB_CHANNEL_MODE_ATTENTION 0x00000080
1650#define GB_CHANNEL_MODE_FLASH 0x00000100
1651#define GB_CHANNEL_MODE_TORCH 0x00000200
1652#define GB_CHANNEL_MODE_INDICATOR 0x00000400
1653
1654/* Lights Mode valid bit values */
1655#define GB_CHANNEL_MODE_DEFINED_RANGE 0x000004FF
1656#define GB_CHANNEL_MODE_VENDOR_RANGE 0x00F00000
1657
1658/* Greybus Light Channels Flags */
1659#define GB_LIGHT_CHANNEL_MULTICOLOR 0x00000001
1660#define GB_LIGHT_CHANNEL_FADER 0x00000002
1661#define GB_LIGHT_CHANNEL_BLINK 0x00000004
1662
1663/* get count of lights in module */
1664struct gb_lights_get_lights_response {
1665 __u8 lights_count;
1666} __packed;
1667
1668/* light config request payload */
1669struct gb_lights_get_light_config_request {
1670 __u8 id;
1671} __packed;
1672
1673/* light config response payload */
1674struct gb_lights_get_light_config_response {
1675 __u8 channel_count;
1676 __u8 name[32];
1677} __packed;
1678
1679/* channel config request payload */
1680struct gb_lights_get_channel_config_request {
1681 __u8 light_id;
1682 __u8 channel_id;
1683} __packed;
1684
1685/* channel flash config request payload */
1686struct gb_lights_get_channel_flash_config_request {
1687 __u8 light_id;
1688 __u8 channel_id;
1689} __packed;
1690
1691/* channel config response payload */
1692struct gb_lights_get_channel_config_response {
1693 __u8 max_brightness;
1694 __le32 flags;
1695 __le32 color;
1696 __u8 color_name[32];
1697 __le32 mode;
1698 __u8 mode_name[32];
1699} __packed;
1700
1701/* channel flash config response payload */
1702struct gb_lights_get_channel_flash_config_response {
1703 __le32 intensity_min_uA;
1704 __le32 intensity_max_uA;
1705 __le32 intensity_step_uA;
1706 __le32 timeout_min_us;
1707 __le32 timeout_max_us;
1708 __le32 timeout_step_us;
1709} __packed;
1710
1711/* blink request payload: response have no payload */
1712struct gb_lights_blink_request {
1713 __u8 light_id;
1714 __u8 channel_id;
1715 __le16 time_on_ms;
1716 __le16 time_off_ms;
1717} __packed;
1718
1719/* set brightness request payload: response have no payload */
1720struct gb_lights_set_brightness_request {
1721 __u8 light_id;
1722 __u8 channel_id;
1723 __u8 brightness;
1724} __packed;
1725
1726/* set color request payload: response have no payload */
1727struct gb_lights_set_color_request {
1728 __u8 light_id;
1729 __u8 channel_id;
1730 __le32 color;
1731} __packed;
1732
1733/* set fade request payload: response have no payload */
1734struct gb_lights_set_fade_request {
1735 __u8 light_id;
1736 __u8 channel_id;
1737 __u8 fade_in;
1738 __u8 fade_out;
1739} __packed;
1740
1741/* event request: generated by module */
1742struct gb_lights_event_request {
1743 __u8 light_id;
1744 __u8 event;
1745#define GB_LIGHTS_LIGHT_CONFIG 0x01
1746} __packed;
1747
1748/* set flash intensity request payload: response have no payload */
1749struct gb_lights_set_flash_intensity_request {
1750 __u8 light_id;
1751 __u8 channel_id;
1752 __le32 intensity_uA;
1753} __packed;
1754
1755/* set flash strobe state request payload: response have no payload */
1756struct gb_lights_set_flash_strobe_request {
1757 __u8 light_id;
1758 __u8 channel_id;
1759 __u8 state;
1760} __packed;
1761
1762/* set flash timeout request payload: response have no payload */
1763struct gb_lights_set_flash_timeout_request {
1764 __u8 light_id;
1765 __u8 channel_id;
1766 __le32 timeout_us;
1767} __packed;
1768
1769/* get flash fault request payload */
1770struct gb_lights_get_flash_fault_request {
1771 __u8 light_id;
1772 __u8 channel_id;
1773} __packed;
1774
1775/* get flash fault response payload */
1776struct gb_lights_get_flash_fault_response {
1777 __le32 fault;
1778#define GB_LIGHTS_FLASH_FAULT_OVER_VOLTAGE 0x00000000
1779#define GB_LIGHTS_FLASH_FAULT_TIMEOUT 0x00000001
1780#define GB_LIGHTS_FLASH_FAULT_OVER_TEMPERATURE 0x00000002
1781#define GB_LIGHTS_FLASH_FAULT_SHORT_CIRCUIT 0x00000004
1782#define GB_LIGHTS_FLASH_FAULT_OVER_CURRENT 0x00000008
1783#define GB_LIGHTS_FLASH_FAULT_INDICATOR 0x00000010
1784#define GB_LIGHTS_FLASH_FAULT_UNDER_VOLTAGE 0x00000020
1785#define GB_LIGHTS_FLASH_FAULT_INPUT_VOLTAGE 0x00000040
1786#define GB_LIGHTS_FLASH_FAULT_LED_OVER_TEMPERATURE 0x00000080
1787} __packed;
1788
1789/* Audio */
1790
1791#define GB_AUDIO_TYPE_GET_TOPOLOGY_SIZE 0x02
1792#define GB_AUDIO_TYPE_GET_TOPOLOGY 0x03
1793#define GB_AUDIO_TYPE_GET_CONTROL 0x04
1794#define GB_AUDIO_TYPE_SET_CONTROL 0x05
1795#define GB_AUDIO_TYPE_ENABLE_WIDGET 0x06
1796#define GB_AUDIO_TYPE_DISABLE_WIDGET 0x07
1797#define GB_AUDIO_TYPE_GET_PCM 0x08
1798#define GB_AUDIO_TYPE_SET_PCM 0x09
1799#define GB_AUDIO_TYPE_SET_TX_DATA_SIZE 0x0a
1800 /* 0x0b unused */
1801#define GB_AUDIO_TYPE_ACTIVATE_TX 0x0c
1802#define GB_AUDIO_TYPE_DEACTIVATE_TX 0x0d
1803#define GB_AUDIO_TYPE_SET_RX_DATA_SIZE 0x0e
1804 /* 0x0f unused */
1805#define GB_AUDIO_TYPE_ACTIVATE_RX 0x10
1806#define GB_AUDIO_TYPE_DEACTIVATE_RX 0x11
1807#define GB_AUDIO_TYPE_JACK_EVENT 0x12
1808#define GB_AUDIO_TYPE_BUTTON_EVENT 0x13
1809#define GB_AUDIO_TYPE_STREAMING_EVENT 0x14
1810#define GB_AUDIO_TYPE_SEND_DATA 0x15
1811
1812/* Module must be able to buffer 10ms of audio data, minimum */
1813#define GB_AUDIO_SAMPLE_BUFFER_MIN_US 10000
1814
1815#define GB_AUDIO_PCM_NAME_MAX 32
1816#define AUDIO_DAI_NAME_MAX 32
1817#define AUDIO_CONTROL_NAME_MAX 32
1818#define AUDIO_CTL_ELEM_NAME_MAX 44
1819#define AUDIO_ENUM_NAME_MAX 64
1820#define AUDIO_WIDGET_NAME_MAX 32
1821
1822/* See SNDRV_PCM_FMTBIT_* in Linux source */
1823#define GB_AUDIO_PCM_FMT_S8 BIT(0)
1824#define GB_AUDIO_PCM_FMT_U8 BIT(1)
1825#define GB_AUDIO_PCM_FMT_S16_LE BIT(2)
1826#define GB_AUDIO_PCM_FMT_S16_BE BIT(3)
1827#define GB_AUDIO_PCM_FMT_U16_LE BIT(4)
1828#define GB_AUDIO_PCM_FMT_U16_BE BIT(5)
1829#define GB_AUDIO_PCM_FMT_S24_LE BIT(6)
1830#define GB_AUDIO_PCM_FMT_S24_BE BIT(7)
1831#define GB_AUDIO_PCM_FMT_U24_LE BIT(8)
1832#define GB_AUDIO_PCM_FMT_U24_BE BIT(9)
1833#define GB_AUDIO_PCM_FMT_S32_LE BIT(10)
1834#define GB_AUDIO_PCM_FMT_S32_BE BIT(11)
1835#define GB_AUDIO_PCM_FMT_U32_LE BIT(12)
1836#define GB_AUDIO_PCM_FMT_U32_BE BIT(13)
1837
1838/* See SNDRV_PCM_RATE_* in Linux source */
1839#define GB_AUDIO_PCM_RATE_5512 BIT(0)
1840#define GB_AUDIO_PCM_RATE_8000 BIT(1)
1841#define GB_AUDIO_PCM_RATE_11025 BIT(2)
1842#define GB_AUDIO_PCM_RATE_16000 BIT(3)
1843#define GB_AUDIO_PCM_RATE_22050 BIT(4)
1844#define GB_AUDIO_PCM_RATE_32000 BIT(5)
1845#define GB_AUDIO_PCM_RATE_44100 BIT(6)
1846#define GB_AUDIO_PCM_RATE_48000 BIT(7)
1847#define GB_AUDIO_PCM_RATE_64000 BIT(8)
1848#define GB_AUDIO_PCM_RATE_88200 BIT(9)
1849#define GB_AUDIO_PCM_RATE_96000 BIT(10)
1850#define GB_AUDIO_PCM_RATE_176400 BIT(11)
1851#define GB_AUDIO_PCM_RATE_192000 BIT(12)
1852
1853#define GB_AUDIO_STREAM_TYPE_CAPTURE 0x1
1854#define GB_AUDIO_STREAM_TYPE_PLAYBACK 0x2
1855
1856#define GB_AUDIO_CTL_ELEM_ACCESS_READ BIT(0)
1857#define GB_AUDIO_CTL_ELEM_ACCESS_WRITE BIT(1)
1858
1859/* See SNDRV_CTL_ELEM_TYPE_* in Linux source */
1860#define GB_AUDIO_CTL_ELEM_TYPE_BOOLEAN 0x01
1861#define GB_AUDIO_CTL_ELEM_TYPE_INTEGER 0x02
1862#define GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED 0x03
1863#define GB_AUDIO_CTL_ELEM_TYPE_INTEGER64 0x06
1864
1865/* See SNDRV_CTL_ELEM_IFACE_* in Linux source */
1866#define GB_AUDIO_CTL_ELEM_IFACE_CARD 0x00
1867#define GB_AUDIO_CTL_ELEM_IFACE_HWDEP 0x01
1868#define GB_AUDIO_CTL_ELEM_IFACE_MIXER 0x02
1869#define GB_AUDIO_CTL_ELEM_IFACE_PCM 0x03
1870#define GB_AUDIO_CTL_ELEM_IFACE_RAWMIDI 0x04
1871#define GB_AUDIO_CTL_ELEM_IFACE_TIMER 0x05
1872#define GB_AUDIO_CTL_ELEM_IFACE_SEQUENCER 0x06
1873
1874/* SNDRV_CTL_ELEM_ACCESS_* in Linux source */
1875#define GB_AUDIO_ACCESS_READ BIT(0)
1876#define GB_AUDIO_ACCESS_WRITE BIT(1)
1877#define GB_AUDIO_ACCESS_VOLATILE BIT(2)
1878#define GB_AUDIO_ACCESS_TIMESTAMP BIT(3)
1879#define GB_AUDIO_ACCESS_TLV_READ BIT(4)
1880#define GB_AUDIO_ACCESS_TLV_WRITE BIT(5)
1881#define GB_AUDIO_ACCESS_TLV_COMMAND BIT(6)
1882#define GB_AUDIO_ACCESS_INACTIVE BIT(7)
1883#define GB_AUDIO_ACCESS_LOCK BIT(8)
1884#define GB_AUDIO_ACCESS_OWNER BIT(9)
1885
1886/* enum snd_soc_dapm_type */
1887#define GB_AUDIO_WIDGET_TYPE_INPUT 0x0
1888#define GB_AUDIO_WIDGET_TYPE_OUTPUT 0x1
1889#define GB_AUDIO_WIDGET_TYPE_MUX 0x2
1890#define GB_AUDIO_WIDGET_TYPE_VIRT_MUX 0x3
1891#define GB_AUDIO_WIDGET_TYPE_VALUE_MUX 0x4
1892#define GB_AUDIO_WIDGET_TYPE_MIXER 0x5
1893#define GB_AUDIO_WIDGET_TYPE_MIXER_NAMED_CTL 0x6
1894#define GB_AUDIO_WIDGET_TYPE_PGA 0x7
1895#define GB_AUDIO_WIDGET_TYPE_OUT_DRV 0x8
1896#define GB_AUDIO_WIDGET_TYPE_ADC 0x9
1897#define GB_AUDIO_WIDGET_TYPE_DAC 0xa
1898#define GB_AUDIO_WIDGET_TYPE_MICBIAS 0xb
1899#define GB_AUDIO_WIDGET_TYPE_MIC 0xc
1900#define GB_AUDIO_WIDGET_TYPE_HP 0xd
1901#define GB_AUDIO_WIDGET_TYPE_SPK 0xe
1902#define GB_AUDIO_WIDGET_TYPE_LINE 0xf
1903#define GB_AUDIO_WIDGET_TYPE_SWITCH 0x10
1904#define GB_AUDIO_WIDGET_TYPE_VMID 0x11
1905#define GB_AUDIO_WIDGET_TYPE_PRE 0x12
1906#define GB_AUDIO_WIDGET_TYPE_POST 0x13
1907#define GB_AUDIO_WIDGET_TYPE_SUPPLY 0x14
1908#define GB_AUDIO_WIDGET_TYPE_REGULATOR_SUPPLY 0x15
1909#define GB_AUDIO_WIDGET_TYPE_CLOCK_SUPPLY 0x16
1910#define GB_AUDIO_WIDGET_TYPE_AIF_IN 0x17
1911#define GB_AUDIO_WIDGET_TYPE_AIF_OUT 0x18
1912#define GB_AUDIO_WIDGET_TYPE_SIGGEN 0x19
1913#define GB_AUDIO_WIDGET_TYPE_DAI_IN 0x1a
1914#define GB_AUDIO_WIDGET_TYPE_DAI_OUT 0x1b
1915#define GB_AUDIO_WIDGET_TYPE_DAI_LINK 0x1c
1916
1917#define GB_AUDIO_WIDGET_STATE_DISABLED 0x01
1918#define GB_AUDIO_WIDGET_STATE_ENAABLED 0x02
1919
1920#define GB_AUDIO_JACK_EVENT_INSERTION 0x1
1921#define GB_AUDIO_JACK_EVENT_REMOVAL 0x2
1922
1923#define GB_AUDIO_BUTTON_EVENT_PRESS 0x1
1924#define GB_AUDIO_BUTTON_EVENT_RELEASE 0x2
1925
1926#define GB_AUDIO_STREAMING_EVENT_UNSPECIFIED 0x1
1927#define GB_AUDIO_STREAMING_EVENT_HALT 0x2
1928#define GB_AUDIO_STREAMING_EVENT_INTERNAL_ERROR 0x3
1929#define GB_AUDIO_STREAMING_EVENT_PROTOCOL_ERROR 0x4
1930#define GB_AUDIO_STREAMING_EVENT_FAILURE 0x5
1931#define GB_AUDIO_STREAMING_EVENT_UNDERRUN 0x6
1932#define GB_AUDIO_STREAMING_EVENT_OVERRUN 0x7
1933#define GB_AUDIO_STREAMING_EVENT_CLOCKING 0x8
1934#define GB_AUDIO_STREAMING_EVENT_DATA_LEN 0x9
1935
1936#define GB_AUDIO_INVALID_INDEX 0xff
1937
1938/* enum snd_jack_types */
1939#define GB_AUDIO_JACK_HEADPHONE 0x0000001
1940#define GB_AUDIO_JACK_MICROPHONE 0x0000002
1941#define GB_AUDIO_JACK_HEADSET (GB_AUDIO_JACK_HEADPHONE | \
1942 GB_AUDIO_JACK_MICROPHONE)
1943#define GB_AUDIO_JACK_LINEOUT 0x0000004
1944#define GB_AUDIO_JACK_MECHANICAL 0x0000008
1945#define GB_AUDIO_JACK_VIDEOOUT 0x0000010
1946#define GB_AUDIO_JACK_AVOUT (GB_AUDIO_JACK_LINEOUT | \
1947 GB_AUDIO_JACK_VIDEOOUT)
1948#define GB_AUDIO_JACK_LINEIN 0x0000020
1949#define GB_AUDIO_JACK_OC_HPHL 0x0000040
1950#define GB_AUDIO_JACK_OC_HPHR 0x0000080
1951#define GB_AUDIO_JACK_MICROPHONE2 0x0000200
1952#define GB_AUDIO_JACK_ANC_HEADPHONE (GB_AUDIO_JACK_HEADPHONE | \
1953 GB_AUDIO_JACK_MICROPHONE | \
1954 GB_AUDIO_JACK_MICROPHONE2)
1955/* Kept separate from switches to facilitate implementation */
1956#define GB_AUDIO_JACK_BTN_0 0x4000000
1957#define GB_AUDIO_JACK_BTN_1 0x2000000
1958#define GB_AUDIO_JACK_BTN_2 0x1000000
1959#define GB_AUDIO_JACK_BTN_3 0x0800000
1960
1961struct gb_audio_pcm {
1962 __u8 stream_name[GB_AUDIO_PCM_NAME_MAX];
1963 __le32 formats; /* GB_AUDIO_PCM_FMT_* */
1964 __le32 rates; /* GB_AUDIO_PCM_RATE_* */
1965 __u8 chan_min;
1966 __u8 chan_max;
1967 __u8 sig_bits; /* number of bits of content */
1968} __packed;
1969
1970struct gb_audio_dai {
1971 __u8 name[AUDIO_DAI_NAME_MAX];
1972 __le16 data_cport;
1973 struct gb_audio_pcm capture;
1974 struct gb_audio_pcm playback;
1975} __packed;
1976
1977struct gb_audio_integer {
1978 __le32 min;
1979 __le32 max;
1980 __le32 step;
1981} __packed;
1982
1983struct gb_audio_integer64 {
1984 __le64 min;
1985 __le64 max;
1986 __le64 step;
1987} __packed;
1988
1989struct gb_audio_enumerated {
1990 __le32 items;
1991 __le16 names_length;
1992 __u8 names[];
1993} __packed;
1994
1995struct gb_audio_ctl_elem_info { /* See snd_ctl_elem_info in Linux source */
1996 __u8 type; /* GB_AUDIO_CTL_ELEM_TYPE_* */
1997 __le16 dimen[4];
1998 union {
1999 struct gb_audio_integer integer;
2000 struct gb_audio_integer64 integer64;
2001 struct gb_audio_enumerated enumerated;
2002 } value;
2003} __packed;
2004
2005struct gb_audio_ctl_elem_value { /* See snd_ctl_elem_value in Linux source */
2006 __le64 timestamp; /* XXX needed? */
2007 union {
2008 __le32 integer_value[2]; /* consider CTL_DOUBLE_xxx */
2009 __le64 integer64_value[2];
2010 __le32 enumerated_item[2];
2011 } value;
2012} __packed;
2013
2014struct gb_audio_control {
2015 __u8 name[AUDIO_CONTROL_NAME_MAX];
2016 __u8 id; /* 0-63 */
2017 __u8 iface; /* GB_AUDIO_IFACE_* */
2018 __le16 data_cport;
2019 __le32 access; /* GB_AUDIO_ACCESS_* */
2020 __u8 count; /* count of same elements */
2021 __u8 count_values; /* count of values, max=2 for CTL_DOUBLE_xxx */
2022 struct gb_audio_ctl_elem_info info;
2023} __packed;
2024
2025struct gb_audio_widget {
2026 __u8 name[AUDIO_WIDGET_NAME_MAX];
2027 __u8 sname[AUDIO_WIDGET_NAME_MAX];
2028 __u8 id;
2029 __u8 type; /* GB_AUDIO_WIDGET_TYPE_* */
2030 __u8 state; /* GB_AUDIO_WIDGET_STATE_* */
2031 __u8 ncontrols;
2032 struct gb_audio_control ctl[]; /* 'ncontrols' entries */
2033} __packed;
2034
2035struct gb_audio_route {
2036 __u8 source_id; /* widget id */
2037 __u8 destination_id; /* widget id */
2038 __u8 control_id; /* 0-63 */
2039 __u8 index; /* Selection within the control */
2040} __packed;
2041
2042struct gb_audio_topology {
2043 __u8 num_dais;
2044 __u8 num_controls;
2045 __u8 num_widgets;
2046 __u8 num_routes;
2047 __le32 size_dais;
2048 __le32 size_controls;
2049 __le32 size_widgets;
2050 __le32 size_routes;
2051 __le32 jack_type;
2052 /*
2053 * struct gb_audio_dai dai[num_dais];
2054 * struct gb_audio_control controls[num_controls];
2055 * struct gb_audio_widget widgets[num_widgets];
2056 * struct gb_audio_route routes[num_routes];
2057 */
2058 __u8 data[];
2059} __packed;
2060
2061struct gb_audio_get_topology_size_response {
2062 __le16 size;
2063} __packed;
2064
2065struct gb_audio_get_topology_response {
2066 struct gb_audio_topology topology;
2067} __packed;
2068
2069struct gb_audio_get_control_request {
2070 __u8 control_id;
2071 __u8 index;
2072} __packed;
2073
2074struct gb_audio_get_control_response {
2075 struct gb_audio_ctl_elem_value value;
2076} __packed;
2077
2078struct gb_audio_set_control_request {
2079 __u8 control_id;
2080 __u8 index;
2081 struct gb_audio_ctl_elem_value value;
2082} __packed;
2083
2084struct gb_audio_enable_widget_request {
2085 __u8 widget_id;
2086} __packed;
2087
2088struct gb_audio_disable_widget_request {
2089 __u8 widget_id;
2090} __packed;
2091
2092struct gb_audio_get_pcm_request {
2093 __le16 data_cport;
2094} __packed;
2095
2096struct gb_audio_get_pcm_response {
2097 __le32 format;
2098 __le32 rate;
2099 __u8 channels;
2100 __u8 sig_bits;
2101} __packed;
2102
2103struct gb_audio_set_pcm_request {
2104 __le16 data_cport;
2105 __le32 format;
2106 __le32 rate;
2107 __u8 channels;
2108 __u8 sig_bits;
2109} __packed;
2110
2111struct gb_audio_set_tx_data_size_request {
2112 __le16 data_cport;
2113 __le16 size;
2114} __packed;
2115
2116struct gb_audio_activate_tx_request {
2117 __le16 data_cport;
2118} __packed;
2119
2120struct gb_audio_deactivate_tx_request {
2121 __le16 data_cport;
2122} __packed;
2123
2124struct gb_audio_set_rx_data_size_request {
2125 __le16 data_cport;
2126 __le16 size;
2127} __packed;
2128
2129struct gb_audio_activate_rx_request {
2130 __le16 data_cport;
2131} __packed;
2132
2133struct gb_audio_deactivate_rx_request {
2134 __le16 data_cport;
2135} __packed;
2136
2137struct gb_audio_jack_event_request {
2138 __u8 widget_id;
2139 __u8 jack_attribute;
2140 __u8 event;
2141} __packed;
2142
2143struct gb_audio_button_event_request {
2144 __u8 widget_id;
2145 __u8 button_id;
2146 __u8 event;
2147} __packed;
2148
2149struct gb_audio_streaming_event_request {
2150 __le16 data_cport;
2151 __u8 event;
2152} __packed;
2153
2154struct gb_audio_send_data_request {
2155 __le64 timestamp;
2156 __u8 data[];
2157} __packed;
2158
2159
2160/* Log */
2161
2162/* operations */
2163#define GB_LOG_TYPE_SEND_LOG 0x02
2164
2165/* length */
2166#define GB_LOG_MAX_LEN 1024
2167
2168struct gb_log_send_log_request {
2169 __le16 len;
2170 __u8 msg[];
2171} __packed;
2172
2173#endif /* __GREYBUS_PROTOCOLS_H */
2174
2175

source code of linux/include/linux/greybus/greybus_protocols.h