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   */
46  struct 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  
59  struct 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  
89  struct gb_control_version_request {
90  	__u8	major;
91  	__u8	minor;
92  } __packed;
93  
94  struct gb_control_version_response {
95  	__u8	major;
96  	__u8	minor;
97  } __packed;
98  
99  struct gb_control_bundle_version_request {
100  	__u8	bundle_id;
101  } __packed;
102  
103  struct gb_control_bundle_version_response {
104  	__u8	major;
105  	__u8	minor;
106  } __packed;
107  
108  /* Control protocol manifest get size request has no payload*/
109  struct gb_control_get_manifest_size_response {
110  	__le16			size;
111  } __packed;
112  
113  /* Control protocol manifest get request has no payload */
114  struct gb_control_get_manifest_response {
115  	__u8			data[0];
116  } __packed;
117  
118  /* Control protocol [dis]connected request */
119  struct gb_control_connected_request {
120  	__le16			cport_id;
121  } __packed;
122  
123  struct gb_control_disconnecting_request {
124  	__le16			cport_id;
125  } __packed;
126  /* disconnecting response has no payload */
127  
128  struct 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  
144  struct gb_control_bundle_pm_request {
145  	__u8	bundle_id;
146  } __packed;
147  
148  struct 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  
162  struct 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  
202  struct 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 */
219  struct gb_fw_download_find_firmware_request {
220  	__u8			firmware_tag[GB_FIRMWARE_TAG_MAX_SIZE];
221  } __packed;
222  
223  struct gb_fw_download_find_firmware_response {
224  	__u8			firmware_id;
225  	__le32			size;
226  } __packed;
227  
228  /* firmware download fetch firmware request/response */
229  struct 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 */
238  struct 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 */
277  struct 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 */
284  struct 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 */
292  struct 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 */
301  struct gb_fw_mgmt_backend_fw_version_request {
302  	__u8			firmware_tag[GB_FIRMWARE_TAG_MAX_SIZE];
303  } __packed;
304  
305  struct 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 */
312  struct 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 */
319  struct 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 */
334  struct gb_cap_get_endpoint_uid_response {
335  	__u8			uid[8];
336  } __packed;
337  
338  /* CAP get endpoint ims certificate request/response */
339  struct gb_cap_get_ims_certificate_request {
340  	__le32			certificate_class;
341  	__le32			certificate_id;
342  } __packed;
343  
344  struct gb_cap_get_ims_certificate_response {
345  	__u8			result_code;
346  	__u8			certificate[];
347  } __packed;
348  
349  /* CAP authenticate request/response */
350  struct gb_cap_authenticate_request {
351  	__le32			auth_type;
352  	__u8			uid[8];
353  	__u8			challenge[32];
354  } __packed;
355  
356  struct 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  
390  struct gb_bootrom_version_request {
391  	__u8	major;
392  	__u8	minor;
393  } __packed;
394  
395  struct gb_bootrom_version_response {
396  	__u8	major;
397  	__u8	minor;
398  } __packed;
399  
400  /* Bootrom protocol firmware size request/response */
401  struct gb_bootrom_firmware_size_request {
402  	__u8			stage;
403  } __packed;
404  
405  struct gb_bootrom_firmware_size_response {
406  	__le32			size;
407  } __packed;
408  
409  /* Bootrom protocol get firmware request/response */
410  struct 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 */
418  struct 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 */
424  struct 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  
490  struct gb_power_supply_get_supplies_response {
491  	__u8	supplies_count;
492  } __packed;
493  
494  struct gb_power_supply_get_description_request {
495  	__u8	psy_id;
496  } __packed;
497  
498  struct 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  
506  struct 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  
573  struct gb_power_supply_get_property_descriptors_request {
574  	__u8	psy_id;
575  } __packed;
576  
577  struct gb_power_supply_get_property_descriptors_response {
578  	__u8	properties_count;
579  	struct gb_power_supply_props_desc props[];
580  } __packed;
581  
582  struct gb_power_supply_get_property_request {
583  	__u8	psy_id;
584  	__u8	property;
585  } __packed;
586  
587  struct gb_power_supply_get_property_response {
588  	__le32	prop_val;
589  };
590  
591  struct gb_power_supply_set_property_request {
592  	__u8	psy_id;
593  	__u8	property;
594  	__le32	prop_val;
595  } __packed;
596  
597  struct 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 */
622  struct 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 */
632  struct gb_hid_get_report_request {
633  	__u8				report_type;
634  	__u8				report_id;
635  } __packed;
636  
637  /* HID set report request */
638  struct 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 */
645  struct 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 */
657  struct 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   */
671  struct gb_i2c_transfer_op {
672  	__le16	addr;
673  	__le16	flags;
674  	__le16	size;
675  } __packed;
676  
677  struct gb_i2c_transfer_request {
678  	__le16				op_count;
679  	struct gb_i2c_transfer_op	ops[];		/* op_count of these */
680  } __packed;
681  struct 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 */
711  struct gb_gpio_line_count_response {
712  	__u8	count;
713  } __packed;
714  
715  struct gb_gpio_activate_request {
716  	__u8	which;
717  } __packed;
718  /* activate response has no payload */
719  
720  struct gb_gpio_deactivate_request {
721  	__u8	which;
722  } __packed;
723  /* deactivate response has no payload */
724  
725  struct gb_gpio_get_direction_request {
726  	__u8	which;
727  } __packed;
728  struct gb_gpio_get_direction_response {
729  	__u8	direction;
730  } __packed;
731  
732  struct gb_gpio_direction_in_request {
733  	__u8	which;
734  } __packed;
735  /* direction in response has no payload */
736  
737  struct gb_gpio_direction_out_request {
738  	__u8	which;
739  	__u8	value;
740  } __packed;
741  /* direction out response has no payload */
742  
743  struct gb_gpio_get_value_request {
744  	__u8	which;
745  } __packed;
746  struct gb_gpio_get_value_response {
747  	__u8	value;
748  } __packed;
749  
750  struct gb_gpio_set_value_request {
751  	__u8	which;
752  	__u8	value;
753  } __packed;
754  /* set value response has no payload */
755  
756  struct gb_gpio_set_debounce_request {
757  	__u8	which;
758  	__le16	usec;
759  } __packed;
760  /* debounce response has no payload */
761  
762  struct gb_gpio_irq_type_request {
763  	__u8	which;
764  	__u8	type;
765  } __packed;
766  /* irq type response has no payload */
767  
768  struct gb_gpio_irq_mask_request {
769  	__u8	which;
770  } __packed;
771  /* irq mask response has no payload */
772  
773  struct 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 */
779  struct 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 */
797  struct gb_pwm_count_response {
798  	__u8	count;
799  } __packed;
800  
801  struct gb_pwm_activate_request {
802  	__u8	which;
803  } __packed;
804  
805  struct gb_pwm_deactivate_request {
806  	__u8	which;
807  } __packed;
808  
809  struct gb_pwm_config_request {
810  	__u8	which;
811  	__le32	duty;
812  	__le32	period;
813  } __packed;
814  
815  struct gb_pwm_polarity_request {
816  	__u8	which;
817  	__u8	polarity;
818  } __packed;
819  
820  struct gb_pwm_enable_request {
821  	__u8	which;
822  } __packed;
823  
824  struct 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 */
855  struct 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  
864  struct gb_spi_device_config_request {
865  	__u8	chip_select;
866  } __packed;
867  
868  struct 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   */
891  struct 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  
903  struct 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  
910  struct 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  
973  struct gb_svc_version_request {
974  	__u8	major;
975  	__u8	minor;
976  } __packed;
977  
978  struct gb_svc_version_response {
979  	__u8	major;
980  	__u8	minor;
981  } __packed;
982  
983  /* SVC protocol hello request */
984  struct gb_svc_hello_request {
985  	__le16			endo_id;
986  	__u8			interface_id;
987  } __packed;
988  /* hello response has no payload */
989  
990  struct gb_svc_intf_device_id_request {
991  	__u8	intf_id;
992  	__u8	device_id;
993  } __packed;
994  /* device id response has no payload */
995  
996  struct gb_svc_intf_reset_request {
997  	__u8	intf_id;
998  } __packed;
999  /* interface reset response has no payload */
1000  
1001  struct gb_svc_intf_eject_request {
1002  	__u8	intf_id;
1003  } __packed;
1004  /* interface eject response has no payload */
1005  
1006  struct 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  
1016  struct 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  
1024  struct gb_svc_dme_peer_get_request {
1025  	__u8	intf_id;
1026  	__le16	attr;
1027  	__le16	selector;
1028  } __packed;
1029  
1030  struct gb_svc_dme_peer_get_response {
1031  	__le16	result_code;
1032  	__le32	attr_value;
1033  } __packed;
1034  
1035  struct gb_svc_dme_peer_set_request {
1036  	__u8	intf_id;
1037  	__le16	attr;
1038  	__le16	selector;
1039  	__le32	value;
1040  } __packed;
1041  
1042  struct 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  
1054  struct 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  
1062  struct 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} */
1069  struct gb_svc_intf_vsys_request {
1070  	__u8	intf_id;
1071  } __packed;
1072  
1073  struct 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} */
1081  struct gb_svc_intf_refclk_request {
1082  	__u8	intf_id;
1083  } __packed;
1084  
1085  struct 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} */
1093  struct gb_svc_intf_unipro_request {
1094  	__u8	intf_id;
1095  } __packed;
1096  
1097  struct 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  
1137  struct 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  
1148  struct 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  
1164  struct gb_svc_intf_set_pwrm_response {
1165  	__u8	result_code;
1166  } __packed;
1167  
1168  struct 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  
1179  struct gb_svc_pwrmon_rail_count_get_response {
1180  	__u8	rail_count;
1181  } __packed;
1182  
1183  #define GB_SVC_PWRMON_RAIL_NAME_BUFSIZE		32
1184  
1185  struct 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  
1199  struct gb_svc_pwrmon_sample_get_request {
1200  	__u8	rail_id;
1201  	__u8	measurement_type;
1202  } __packed;
1203  
1204  struct gb_svc_pwrmon_sample_get_response {
1205  	__u8	result;
1206  	__le32	measurement;
1207  } __packed;
1208  
1209  struct gb_svc_pwrmon_intf_sample_get_request {
1210  	__u8	intf_id;
1211  	__u8	measurement_type;
1212  } __packed;
1213  
1214  struct 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  
1221  struct 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  
1228  struct gb_svc_module_removed_request {
1229  	__u8	primary_intf_id;
1230  } __packed;
1231  /* module_removed response has no payload */
1232  
1233  struct 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  
1242  struct gb_svc_intf_activate_response {
1243  	__u8	status;
1244  	__u8	intf_type;
1245  } __packed;
1246  
1247  struct gb_svc_intf_resume_request {
1248  	__u8	intf_id;
1249  } __packed;
1250  
1251  struct 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  
1259  struct 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  
1266  struct 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  
1278  struct 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 */
1297  struct 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 */
1309  struct gb_uart_recv_data_request {
1310  	__le16	size;
1311  	__u8	flags;
1312  	__u8	data[];
1313  } __packed;
1314  
1315  struct gb_uart_receive_credits_request {
1316  	__le16  count;
1317  } __packed;
1318  
1319  struct 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  
1343  struct gb_uart_set_control_line_state_request {
1344  	__u8	control;
1345  } __packed;
1346  
1347  struct 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  
1356  struct gb_uart_serial_state_request {
1357  	__u8	control;
1358  } __packed;
1359  
1360  struct 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   */
1377  struct gb_loopback_transfer_request {
1378  	__le32	len;
1379  	__le32  reserved0;
1380  	__le32  reserved1;
1381  	__u8	data[];
1382  } __packed;
1383  
1384  struct 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 */
1400  struct 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 */
1433  struct 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 */
1495  struct 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  
1516  struct gb_sdio_command_response {
1517  	__le32	resp[4];
1518  } __packed;
1519  
1520  /* transfer request */
1521  struct 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  
1532  struct 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 */
1539  struct 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 */
1559  struct gb_camera_stream_config_request {
1560  	__le16 width;
1561  	__le16 height;
1562  	__le16 format;
1563  	__le16 padding;
1564  } __packed;
1565  
1566  struct 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 */
1575  struct 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  
1586  struct 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 */
1596  struct 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 */
1605  struct gb_camera_flush_response {
1606  	__le32 request_id;
1607  } __packed;
1608  
1609  /* Greybus Camera Metadata request payload - operation has no response */
1610  struct 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 */
1664  struct gb_lights_get_lights_response {
1665  	__u8	lights_count;
1666  } __packed;
1667  
1668  /* light config request payload */
1669  struct gb_lights_get_light_config_request {
1670  	__u8	id;
1671  } __packed;
1672  
1673  /* light config response payload */
1674  struct gb_lights_get_light_config_response {
1675  	__u8	channel_count;
1676  	__u8	name[32];
1677  } __packed;
1678  
1679  /* channel config request payload */
1680  struct gb_lights_get_channel_config_request {
1681  	__u8	light_id;
1682  	__u8	channel_id;
1683  } __packed;
1684  
1685  /* channel flash config request payload */
1686  struct gb_lights_get_channel_flash_config_request {
1687  	__u8	light_id;
1688  	__u8	channel_id;
1689  } __packed;
1690  
1691  /* channel config response payload */
1692  struct 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 */
1702  struct 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 */
1712  struct 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 */
1720  struct 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 */
1727  struct 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 */
1734  struct 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 */
1742  struct 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 */
1749  struct 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 */
1756  struct 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 */
1763  struct 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 */
1770  struct gb_lights_get_flash_fault_request {
1771  	__u8	light_id;
1772  	__u8	channel_id;
1773  } __packed;
1774  
1775  /* get flash fault response payload */
1776  struct 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  
1961  struct 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  
1970  struct 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  
1977  struct gb_audio_integer {
1978  	__le32	min;
1979  	__le32	max;
1980  	__le32	step;
1981  } __packed;
1982  
1983  struct gb_audio_integer64 {
1984  	__le64	min;
1985  	__le64	max;
1986  	__le64	step;
1987  } __packed;
1988  
1989  struct gb_audio_enumerated {
1990  	__le32	items;
1991  	__le16	names_length;
1992  	__u8	names[];
1993  } __packed;
1994  
1995  struct 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  
2005  struct 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  
2014  struct 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  
2025  struct 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  
2035  struct 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  
2042  struct 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  
2061  struct gb_audio_get_topology_size_response {
2062  	__le16	size;
2063  } __packed;
2064  
2065  struct gb_audio_get_topology_response {
2066  	struct gb_audio_topology	topology;
2067  } __packed;
2068  
2069  struct gb_audio_get_control_request {
2070  	__u8	control_id;
2071  	__u8	index;
2072  } __packed;
2073  
2074  struct gb_audio_get_control_response {
2075  	struct gb_audio_ctl_elem_value	value;
2076  } __packed;
2077  
2078  struct gb_audio_set_control_request {
2079  	__u8	control_id;
2080  	__u8	index;
2081  	struct gb_audio_ctl_elem_value	value;
2082  } __packed;
2083  
2084  struct gb_audio_enable_widget_request {
2085  	__u8	widget_id;
2086  } __packed;
2087  
2088  struct gb_audio_disable_widget_request {
2089  	__u8	widget_id;
2090  } __packed;
2091  
2092  struct gb_audio_get_pcm_request {
2093  	__le16	data_cport;
2094  } __packed;
2095  
2096  struct gb_audio_get_pcm_response {
2097  	__le32	format;
2098  	__le32	rate;
2099  	__u8	channels;
2100  	__u8	sig_bits;
2101  } __packed;
2102  
2103  struct 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  
2111  struct gb_audio_set_tx_data_size_request {
2112  	__le16	data_cport;
2113  	__le16	size;
2114  } __packed;
2115  
2116  struct gb_audio_activate_tx_request {
2117  	__le16	data_cport;
2118  } __packed;
2119  
2120  struct gb_audio_deactivate_tx_request {
2121  	__le16	data_cport;
2122  } __packed;
2123  
2124  struct gb_audio_set_rx_data_size_request {
2125  	__le16	data_cport;
2126  	__le16	size;
2127  } __packed;
2128  
2129  struct gb_audio_activate_rx_request {
2130  	__le16	data_cport;
2131  } __packed;
2132  
2133  struct gb_audio_deactivate_rx_request {
2134  	__le16	data_cport;
2135  } __packed;
2136  
2137  struct gb_audio_jack_event_request {
2138  	__u8	widget_id;
2139  	__u8	jack_attribute;
2140  	__u8	event;
2141  } __packed;
2142  
2143  struct gb_audio_button_event_request {
2144  	__u8	widget_id;
2145  	__u8	button_id;
2146  	__u8	event;
2147  } __packed;
2148  
2149  struct gb_audio_streaming_event_request {
2150  	__le16	data_cport;
2151  	__u8	event;
2152  } __packed;
2153  
2154  struct 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  
2168  struct gb_log_send_log_request {
2169  	__le16	len;
2170  	__u8    msg[];
2171  } __packed;
2172  
2173  #endif /* __GREYBUS_PROTOCOLS_H */
2174  
2175