2 * This file is provided under a dual BSD/GPLv2 license. When using or
3 * redistributing this file, you may do so under either license.
7 * Copyright(c) 2014 - 2015 Google Inc. All rights reserved.
8 * Copyright(c) 2014 - 2015 Linaro Ltd. All rights reserved.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License version 2 for more details.
21 * Copyright(c) 2014 - 2015 Google Inc. All rights reserved.
22 * Copyright(c) 2014 - 2015 Linaro Ltd. All rights reserved.
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25 * modification, are permitted provided that the following conditions
28 * * Redistributions of source code must retain the above copyright
29 * notice, this list of conditions and the following disclaimer.
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32 * the documentation and/or other materials provided with the
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52 #ifndef __GREYBUS_PROTOCOLS_H
53 #define __GREYBUS_PROTOCOLS_H
55 /* Fixed IDs for control/svc protocols */
57 /* Device ID of SVC and AP */
58 #define GB_DEVICE_ID_SVC 0
59 #define GB_DEVICE_ID_AP 1
60 #define GB_DEVICE_ID_MODULES_START 2
63 * Bundle/cport for control/svc cport: The same bundle/cport is shared by both
64 * CONTROL and SVC protocols for communication between AP and SVC.
66 #define GB_SVC_BUNDLE_ID 0
67 #define GB_SVC_CPORT_ID 0
68 #define GB_CONTROL_BUNDLE_ID 0
69 #define GB_CONTROL_CPORT_ID 0
73 * All operation messages (both requests and responses) begin with
74 * a header that encodes the size of the message (header included).
75 * This header also contains a unique identifier, that associates a
76 * response message with its operation. The header contains an
77 * operation type field, whose interpretation is dependent on what
78 * type of protocol is used over the connection. The high bit
79 * (0x80) of the operation type field is used to indicate whether
80 * the message is a request (clear) or a response (set).
82 * Response messages include an additional result byte, which
83 * communicates the result of the corresponding request. A zero
84 * result value means the operation completed successfully. Any
85 * other value indicates an error; in this case, the payload of the
86 * response message (if any) is ignored. The result byte must be
87 * zero in the header for a request message.
89 * The wire format for all numeric fields in the header is little
90 * endian. Any operation-specific data begins immediately after the
93 struct gb_operation_msg_hdr {
94 __le16 size; /* Size in bytes of header + payload */
95 __le16 operation_id; /* Operation unique id */
96 __u8 type; /* E.g GB_I2C_TYPE_* or GB_GPIO_TYPE_* */
97 __u8 result; /* Result of request (in responses only) */
98 __u8 pad[2]; /* must be zero (ignore when read) */
102 /* Generic request numbers supported by all modules */
103 #define GB_REQUEST_TYPE_INVALID 0x00
104 #define GB_REQUEST_TYPE_PROTOCOL_VERSION 0x01
106 struct gb_protocol_version_request {
111 struct gb_protocol_version_response {
116 /* Control Protocol */
118 /* Version of the Greybus control protocol we support */
119 #define GB_CONTROL_VERSION_MAJOR 0x00
120 #define GB_CONTROL_VERSION_MINOR 0x01
122 /* Greybus control request types */
123 #define GB_CONTROL_TYPE_PROBE_AP 0x02
124 #define GB_CONTROL_TYPE_GET_MANIFEST_SIZE 0x03
125 #define GB_CONTROL_TYPE_GET_MANIFEST 0x04
126 #define GB_CONTROL_TYPE_CONNECTED 0x05
127 #define GB_CONTROL_TYPE_DISCONNECTED 0x06
128 #define GB_CONTROL_TYPE_INTERFACE_VERSION 0x0a
130 /* Control protocol manifest get size request has no payload*/
131 struct gb_control_get_manifest_size_response {
135 /* Control protocol manifest get request has no payload */
136 struct gb_control_get_manifest_response {
140 /* Control protocol [dis]connected request */
141 struct gb_control_connected_request {
145 struct gb_control_disconnected_request {
148 /* Control protocol [dis]connected response has no payload */
150 /* Control protocol interface version request has no payload */
151 struct gb_control_interface_version_response {
157 /* APBridge protocol */
159 /* request APB1 log */
160 #define GB_APB_REQUEST_LOG 0x02
162 /* request to map a cport to bulk in and bulk out endpoints */
163 #define GB_APB_REQUEST_EP_MAPPING 0x03
165 /* request to get the number of cports available */
166 #define GB_APB_REQUEST_CPORT_COUNT 0x04
168 /* request to reset a cport state */
169 #define GB_APB_REQUEST_RESET_CPORT 0x05
171 /* request to time the latency of messages on a given cport */
172 #define GB_APB_REQUEST_LATENCY_TAG_EN 0x06
173 #define GB_APB_REQUEST_LATENCY_TAG_DIS 0x07
175 /* request to control the CSI transmitter */
176 #define GB_APB_REQUEST_CSI_TX_CONTROL 0x08
179 /* Firmware Protocol */
181 /* Version of the Greybus firmware protocol we support */
182 #define GB_FIRMWARE_VERSION_MAJOR 0x00
183 #define GB_FIRMWARE_VERSION_MINOR 0x01
185 /* Greybus firmware request types */
186 #define GB_FIRMWARE_TYPE_FIRMWARE_SIZE 0x02
187 #define GB_FIRMWARE_TYPE_GET_FIRMWARE 0x03
188 #define GB_FIRMWARE_TYPE_READY_TO_BOOT 0x04
189 #define GB_FIRMWARE_TYPE_AP_READY 0x05 /* Request with no-payload */
190 #define GB_FIRMWARE_TYPE_GET_VID_PID 0x06 /* Request with no-payload */
192 /* FIXME: remove all ES2-specific identifiers from the kernel */
193 #define ES2_DDBL1_MFR_ID 0x00000126
194 #define ES2_DDBL1_PROD_ID 0x00001000
196 /* Greybus firmware boot stages */
197 #define GB_FIRMWARE_BOOT_STAGE_ONE 0x01 /* Reserved for the boot ROM */
198 #define GB_FIRMWARE_BOOT_STAGE_TWO 0x02 /* Firmware package to be loaded by the boot ROM */
199 #define GB_FIRMWARE_BOOT_STAGE_THREE 0x03 /* Module personality package loaded by Stage 2 firmware */
201 /* Greybus firmware ready to boot status */
202 #define GB_FIRMWARE_BOOT_STATUS_INVALID 0x00 /* Firmware blob could not be validated */
203 #define GB_FIRMWARE_BOOT_STATUS_INSECURE 0x01 /* Firmware blob is valid but insecure */
204 #define GB_FIRMWARE_BOOT_STATUS_SECURE 0x02 /* Firmware blob is valid and secure */
206 /* Max firmware data fetch size in bytes */
207 #define GB_FIRMWARE_FETCH_MAX 2000
209 /* Firmware protocol firmware size request/response */
210 struct gb_firmware_size_request {
214 struct gb_firmware_size_response {
218 /* Firmware protocol get firmware request/response */
219 struct gb_firmware_get_firmware_request {
224 struct gb_firmware_get_firmware_response {
228 /* Firmware protocol Ready to boot request */
229 struct gb_firmware_ready_to_boot_request {
232 /* Firmware protocol Ready to boot response has no payload */
234 /* Firmware protocol get VID/PID request has no payload */
235 struct gb_firmware_get_vid_pid_response {
243 /* Version of the Greybus power supply protocol we support */
244 #define GB_POWER_SUPPLY_VERSION_MAJOR 0x00
245 #define GB_POWER_SUPPLY_VERSION_MINOR 0x01
247 /* Greybus power supply request types */
248 #define GB_POWER_SUPPLY_TYPE_GET_SUPPLIES 0x02
249 #define GB_POWER_SUPPLY_TYPE_GET_DESCRIPTION 0x03
250 #define GB_POWER_SUPPLY_TYPE_GET_PROP_DESCRIPTORS 0x04
251 #define GB_POWER_SUPPLY_TYPE_GET_PROPERTY 0x05
252 #define GB_POWER_SUPPLY_TYPE_SET_PROPERTY 0x06
253 #define GB_POWER_SUPPLY_TYPE_EVENT 0x07
255 /* Should match up with battery technologies in linux/power_supply.h */
256 #define GB_POWER_SUPPLY_TECH_UNKNOWN 0x0000
257 #define GB_POWER_SUPPLY_TECH_NiMH 0x0001
258 #define GB_POWER_SUPPLY_TECH_LION 0x0002
259 #define GB_POWER_SUPPLY_TECH_LIPO 0x0003
260 #define GB_POWER_SUPPLY_TECH_LiFe 0x0004
261 #define GB_POWER_SUPPLY_TECH_NiCd 0x0005
262 #define GB_POWER_SUPPLY_TECH_LiMn 0x0006
264 /* Should match up with power supply types in linux/power_supply.h */
265 #define GB_POWER_SUPPLY_UNKNOWN_TYPE 0x0000
266 #define GB_POWER_SUPPLY_BATTERY_TYPE 0x0001
267 #define GB_POWER_SUPPLY_UPS_TYPE 0x0002
268 #define GB_POWER_SUPPLY_MAINS_TYPE 0x0003
269 #define GB_POWER_SUPPLY_USB_TYPE 0x0004
270 #define GB_POWER_SUPPLY_USB_DCP_TYPE 0x0005
271 #define GB_POWER_SUPPLY_USB_CDP_TYPE 0x0006
272 #define GB_POWER_SUPPLY_USB_ACA_TYPE 0x0007
274 /* Should match up with power supply health in linux/power_supply.h */
275 #define GB_POWER_SUPPLY_HEALTH_UNKNOWN 0x0000
276 #define GB_POWER_SUPPLY_HEALTH_GOOD 0x0001
277 #define GB_POWER_SUPPLY_HEALTH_OVERHEAT 0x0002
278 #define GB_POWER_SUPPLY_HEALTH_DEAD 0x0003
279 #define GB_POWER_SUPPLY_HEALTH_OVERVOLTAGE 0x0004
280 #define GB_POWER_SUPPLY_HEALTH_UNSPEC_FAILURE 0x0005
281 #define GB_POWER_SUPPLY_HEALTH_COLD 0x0006
282 #define GB_POWER_SUPPLY_HEALTH_WATCHDOG_TIMER_EXPIRE 0x0007
283 #define GB_POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE 0x0008
285 /* Should match up with battery status in linux/power_supply.h */
286 #define GB_POWER_SUPPLY_STATUS_UNKNOWN 0x0000
287 #define GB_POWER_SUPPLY_STATUS_CHARGING 0x0001
288 #define GB_POWER_SUPPLY_STATUS_DISCHARGING 0x0002
289 #define GB_POWER_SUPPLY_STATUS_NOT_CHARGING 0x0003
290 #define GB_POWER_SUPPLY_STATUS_FULL 0x0004
292 struct gb_power_supply_get_supplies_response {
296 struct gb_power_supply_get_description_request {
300 struct gb_power_supply_get_description_response {
301 __u8 manufacturer[32];
303 __u8 serial_number[32];
305 __u8 properties_count;
308 struct gb_power_supply_props_desc {
310 #define GB_POWER_SUPPLY_PROP_STATUS 0x00
311 #define GB_POWER_SUPPLY_PROP_CHARGE_TYPE 0x01
312 #define GB_POWER_SUPPLY_PROP_HEALTH 0x02
313 #define GB_POWER_SUPPLY_PROP_PRESENT 0x03
314 #define GB_POWER_SUPPLY_PROP_ONLINE 0x04
315 #define GB_POWER_SUPPLY_PROP_AUTHENTIC 0x05
316 #define GB_POWER_SUPPLY_PROP_TECHNOLOGY 0x06
317 #define GB_POWER_SUPPLY_PROP_CYCLE_COUNT 0x07
318 #define GB_POWER_SUPPLY_PROP_VOLTAGE_MAX 0x08
319 #define GB_POWER_SUPPLY_PROP_VOLTAGE_MIN 0x09
320 #define GB_POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN 0x0A
321 #define GB_POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN 0x0B
322 #define GB_POWER_SUPPLY_PROP_VOLTAGE_NOW 0x0C
323 #define GB_POWER_SUPPLY_PROP_VOLTAGE_AVG 0x0D
324 #define GB_POWER_SUPPLY_PROP_VOLTAGE_OCV 0x0E
325 #define GB_POWER_SUPPLY_PROP_VOLTAGE_BOOT 0x0F
326 #define GB_POWER_SUPPLY_PROP_CURRENT_MAX 0x10
327 #define GB_POWER_SUPPLY_PROP_CURRENT_NOW 0x11
328 #define GB_POWER_SUPPLY_PROP_CURRENT_AVG 0x12
329 #define GB_POWER_SUPPLY_PROP_CURRENT_BOOT 0x13
330 #define GB_POWER_SUPPLY_PROP_POWER_NOW 0x14
331 #define GB_POWER_SUPPLY_PROP_POWER_AVG 0x15
332 #define GB_POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN 0x16
333 #define GB_POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN 0x17
334 #define GB_POWER_SUPPLY_PROP_CHARGE_FULL 0x18
335 #define GB_POWER_SUPPLY_PROP_CHARGE_EMPTY 0x19
336 #define GB_POWER_SUPPLY_PROP_CHARGE_NOW 0x1A
337 #define GB_POWER_SUPPLY_PROP_CHARGE_AVG 0x1B
338 #define GB_POWER_SUPPLY_PROP_CHARGE_COUNTER 0x1C
339 #define GB_POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT 0x1D
340 #define GB_POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX 0x1E
341 #define GB_POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE 0x1F
342 #define GB_POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX 0x20
343 #define GB_POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT 0x21
344 #define GB_POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT_MAX 0x22
345 #define GB_POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT 0x23
346 #define GB_POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN 0x24
347 #define GB_POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN 0x25
348 #define GB_POWER_SUPPLY_PROP_ENERGY_FULL 0x26
349 #define GB_POWER_SUPPLY_PROP_ENERGY_EMPTY 0x27
350 #define GB_POWER_SUPPLY_PROP_ENERGY_NOW 0x28
351 #define GB_POWER_SUPPLY_PROP_ENERGY_AVG 0x29
352 #define GB_POWER_SUPPLY_PROP_CAPACITY 0x2A
353 #define GB_POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN 0x2B
354 #define GB_POWER_SUPPLY_PROP_CAPACITY_ALERT_MAX 0x2C
355 #define GB_POWER_SUPPLY_PROP_CAPACITY_LEVEL 0x2D
356 #define GB_POWER_SUPPLY_PROP_TEMP 0x2E
357 #define GB_POWER_SUPPLY_PROP_TEMP_MAX 0x2F
358 #define GB_POWER_SUPPLY_PROP_TEMP_MIN 0x30
359 #define GB_POWER_SUPPLY_PROP_TEMP_ALERT_MIN 0x31
360 #define GB_POWER_SUPPLY_PROP_TEMP_ALERT_MAX 0x32
361 #define GB_POWER_SUPPLY_PROP_TEMP_AMBIENT 0x33
362 #define GB_POWER_SUPPLY_PROP_TEMP_AMBIENT_ALERT_MIN 0x34
363 #define GB_POWER_SUPPLY_PROP_TEMP_AMBIENT_ALERT_MAX 0x35
364 #define GB_POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW 0x36
365 #define GB_POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG 0x37
366 #define GB_POWER_SUPPLY_PROP_TIME_TO_FULL_NOW 0x38
367 #define GB_POWER_SUPPLY_PROP_TIME_TO_FULL_AVG 0x39
368 #define GB_POWER_SUPPLY_PROP_TYPE 0x3A
369 #define GB_POWER_SUPPLY_PROP_SCOPE 0x3B
370 #define GB_POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT 0x3C
371 #define GB_POWER_SUPPLY_PROP_CALIBRATE 0x3D
375 struct gb_power_supply_get_property_descriptors_request {
379 struct gb_power_supply_get_property_descriptors_response {
380 __u8 properties_count;
381 struct gb_power_supply_props_desc props[];
384 struct gb_power_supply_get_property_request {
389 struct gb_power_supply_get_property_response {
393 struct gb_power_supply_set_property_request {
399 struct gb_power_supply_event_request {
402 #define GB_POWER_SUPPLY_UPDATE 0x01
408 /* Version of the Greybus hid protocol we support */
409 #define GB_HID_VERSION_MAJOR 0x00
410 #define GB_HID_VERSION_MINOR 0x01
412 /* Greybus HID operation types */
413 #define GB_HID_TYPE_GET_DESC 0x02
414 #define GB_HID_TYPE_GET_REPORT_DESC 0x03
415 #define GB_HID_TYPE_PWR_ON 0x04
416 #define GB_HID_TYPE_PWR_OFF 0x05
417 #define GB_HID_TYPE_GET_REPORT 0x06
418 #define GB_HID_TYPE_SET_REPORT 0x07
419 #define GB_HID_TYPE_IRQ_EVENT 0x08
422 #define GB_HID_INPUT_REPORT 0
423 #define GB_HID_OUTPUT_REPORT 1
424 #define GB_HID_FEATURE_REPORT 2
426 /* Different request/response structures */
427 /* HID get descriptor response */
428 struct gb_hid_desc_response {
430 __le16 wReportDescLength;
437 /* HID get report request/response */
438 struct gb_hid_get_report_request {
443 /* HID set report request */
444 struct gb_hid_set_report_request {
450 /* HID input report request, via interrupt pipe */
451 struct gb_hid_input_report_request {
458 /* Version of the Greybus i2c protocol we support */
459 #define GB_I2C_VERSION_MAJOR 0x00
460 #define GB_I2C_VERSION_MINOR 0x01
462 /* Greybus i2c request types */
463 #define GB_I2C_TYPE_FUNCTIONALITY 0x02
464 #define GB_I2C_TYPE_TIMEOUT 0x03
465 #define GB_I2C_TYPE_RETRIES 0x04
466 #define GB_I2C_TYPE_TRANSFER 0x05
468 #define GB_I2C_RETRIES_DEFAULT 3
469 #define GB_I2C_TIMEOUT_DEFAULT 1000 /* milliseconds */
471 /* functionality request has no payload */
472 struct gb_i2c_functionality_response {
473 __le32 functionality;
476 struct gb_i2c_timeout_request {
479 /* timeout response has no payload */
481 struct gb_i2c_retries_request {
484 /* retries response has no payload */
487 * Outgoing data immediately follows the op count and ops array.
488 * The data for each write (master -> slave) op in the array is sent
489 * in order, with no (e.g. pad) bytes separating them.
491 * Short reads cause the entire transfer request to fail So response
492 * payload consists only of bytes read, and the number of bytes is
493 * exactly what was specified in the corresponding op. Like
494 * outgoing data, the incoming data is in order and contiguous.
496 struct gb_i2c_transfer_op {
502 struct gb_i2c_transfer_request {
504 struct gb_i2c_transfer_op ops[0]; /* op_count of these */
506 struct gb_i2c_transfer_response {
507 __u8 data[0]; /* inbound data */
513 /* Version of the Greybus GPIO protocol we support */
514 #define GB_GPIO_VERSION_MAJOR 0x00
515 #define GB_GPIO_VERSION_MINOR 0x01
517 /* Greybus GPIO request types */
518 #define GB_GPIO_TYPE_LINE_COUNT 0x02
519 #define GB_GPIO_TYPE_ACTIVATE 0x03
520 #define GB_GPIO_TYPE_DEACTIVATE 0x04
521 #define GB_GPIO_TYPE_GET_DIRECTION 0x05
522 #define GB_GPIO_TYPE_DIRECTION_IN 0x06
523 #define GB_GPIO_TYPE_DIRECTION_OUT 0x07
524 #define GB_GPIO_TYPE_GET_VALUE 0x08
525 #define GB_GPIO_TYPE_SET_VALUE 0x09
526 #define GB_GPIO_TYPE_SET_DEBOUNCE 0x0a
527 #define GB_GPIO_TYPE_IRQ_TYPE 0x0b
528 #define GB_GPIO_TYPE_IRQ_MASK 0x0c
529 #define GB_GPIO_TYPE_IRQ_UNMASK 0x0d
530 #define GB_GPIO_TYPE_IRQ_EVENT 0x0e
532 #define GB_GPIO_IRQ_TYPE_NONE 0x00
533 #define GB_GPIO_IRQ_TYPE_EDGE_RISING 0x01
534 #define GB_GPIO_IRQ_TYPE_EDGE_FALLING 0x02
535 #define GB_GPIO_IRQ_TYPE_EDGE_BOTH 0x03
536 #define GB_GPIO_IRQ_TYPE_LEVEL_HIGH 0x04
537 #define GB_GPIO_IRQ_TYPE_LEVEL_LOW 0x08
539 /* line count request has no payload */
540 struct gb_gpio_line_count_response {
544 struct gb_gpio_activate_request {
547 /* activate response has no payload */
549 struct gb_gpio_deactivate_request {
552 /* deactivate response has no payload */
554 struct gb_gpio_get_direction_request {
557 struct gb_gpio_get_direction_response {
561 struct gb_gpio_direction_in_request {
564 /* direction in response has no payload */
566 struct gb_gpio_direction_out_request {
570 /* direction out response has no payload */
572 struct gb_gpio_get_value_request {
575 struct gb_gpio_get_value_response {
579 struct gb_gpio_set_value_request {
583 /* set value response has no payload */
585 struct gb_gpio_set_debounce_request {
589 /* debounce response has no payload */
591 struct gb_gpio_irq_type_request {
595 /* irq type response has no payload */
597 struct gb_gpio_irq_mask_request {
600 /* irq mask response has no payload */
602 struct gb_gpio_irq_unmask_request {
605 /* irq unmask response has no payload */
607 /* irq event requests originate on another module and are handled on the AP */
608 struct gb_gpio_irq_event_request {
611 /* irq event has no response */
616 /* Version of the Greybus PWM protocol we support */
617 #define GB_PWM_VERSION_MAJOR 0x00
618 #define GB_PWM_VERSION_MINOR 0x01
620 /* Greybus PWM operation types */
621 #define GB_PWM_TYPE_PWM_COUNT 0x02
622 #define GB_PWM_TYPE_ACTIVATE 0x03
623 #define GB_PWM_TYPE_DEACTIVATE 0x04
624 #define GB_PWM_TYPE_CONFIG 0x05
625 #define GB_PWM_TYPE_POLARITY 0x06
626 #define GB_PWM_TYPE_ENABLE 0x07
627 #define GB_PWM_TYPE_DISABLE 0x08
629 /* pwm count request has no payload */
630 struct gb_pwm_count_response {
634 struct gb_pwm_activate_request {
638 struct gb_pwm_deactivate_request {
642 struct gb_pwm_config_request {
648 struct gb_pwm_polarity_request {
653 struct gb_pwm_enable_request {
657 struct gb_pwm_disable_request {
663 /* Version of the Greybus spi protocol we support */
664 #define GB_SPI_VERSION_MAJOR 0x00
665 #define GB_SPI_VERSION_MINOR 0x01
667 /* Should match up with modes in linux/spi/spi.h */
668 #define GB_SPI_MODE_CPHA 0x01 /* clock phase */
669 #define GB_SPI_MODE_CPOL 0x02 /* clock polarity */
670 #define GB_SPI_MODE_MODE_0 (0|0) /* (original MicroWire) */
671 #define GB_SPI_MODE_MODE_1 (0|GB_SPI_MODE_CPHA)
672 #define GB_SPI_MODE_MODE_2 (GB_SPI_MODE_CPOL|0)
673 #define GB_SPI_MODE_MODE_3 (GB_SPI_MODE_CPOL|GB_SPI_MODE_CPHA)
674 #define GB_SPI_MODE_CS_HIGH 0x04 /* chipselect active high? */
675 #define GB_SPI_MODE_LSB_FIRST 0x08 /* per-word bits-on-wire */
676 #define GB_SPI_MODE_3WIRE 0x10 /* SI/SO signals shared */
677 #define GB_SPI_MODE_LOOP 0x20 /* loopback mode */
678 #define GB_SPI_MODE_NO_CS 0x40 /* 1 dev/bus, no chipselect */
679 #define GB_SPI_MODE_READY 0x80 /* slave pulls low to pause */
681 /* Should match up with flags in linux/spi/spi.h */
682 #define GB_SPI_FLAG_HALF_DUPLEX BIT(0) /* can't do full duplex */
683 #define GB_SPI_FLAG_NO_RX BIT(1) /* can't do buffer read */
684 #define GB_SPI_FLAG_NO_TX BIT(2) /* can't do buffer write */
686 /* Greybus spi operation types */
687 #define GB_SPI_TYPE_MASTER_CONFIG 0x02
688 #define GB_SPI_TYPE_DEVICE_CONFIG 0x03
689 #define GB_SPI_TYPE_TRANSFER 0x04
691 /* mode request has no payload */
692 struct gb_spi_master_config_response {
693 __le32 bits_per_word_mask;
701 struct gb_spi_device_config_request {
705 struct gb_spi_device_config_response {
713 * struct gb_spi_transfer - a read/write buffer pair
714 * @speed_hz: Select a speed other than the device default for this transfer. If
715 * 0 the default (from @spi_device) is used.
716 * @len: size of rx and tx buffers (in bytes)
717 * @delay_usecs: microseconds to delay after this transfer before (optionally)
718 * changing the chipselect status, then starting the next transfer or
719 * completing this spi_message.
720 * @cs_change: affects chipselect after this transfer completes
721 * @bits_per_word: select a bits_per_word other than the device default for this
722 * transfer. If 0 the default (from @spi_device) is used.
724 struct gb_spi_transfer {
731 #define GB_SPI_XFER_READ 0x01
732 #define GB_SPI_XFER_WRITE 0x02
735 struct gb_spi_transfer_request {
736 __u8 chip_select; /* of the spi device */
737 __u8 mode; /* of the spi device */
739 struct gb_spi_transfer transfers[0]; /* count of these */
742 struct gb_spi_transfer_response {
743 __u8 data[0]; /* inbound data */
746 /* Version of the Greybus SVC protocol we support */
747 #define GB_SVC_VERSION_MAJOR 0x00
748 #define GB_SVC_VERSION_MINOR 0x01
750 /* Greybus SVC request types */
751 #define GB_SVC_TYPE_SVC_HELLO 0x02
752 #define GB_SVC_TYPE_INTF_DEVICE_ID 0x03
753 #define GB_SVC_TYPE_INTF_HOTPLUG 0x04
754 #define GB_SVC_TYPE_INTF_HOT_UNPLUG 0x05
755 #define GB_SVC_TYPE_INTF_RESET 0x06
756 #define GB_SVC_TYPE_CONN_CREATE 0x07
757 #define GB_SVC_TYPE_CONN_DESTROY 0x08
758 #define GB_SVC_TYPE_DME_PEER_GET 0x09
759 #define GB_SVC_TYPE_DME_PEER_SET 0x0a
760 #define GB_SVC_TYPE_ROUTE_CREATE 0x0b
761 #define GB_SVC_TYPE_ROUTE_DESTROY 0x0c
762 #define GB_SVC_TYPE_INTF_SET_PWRM 0x10
765 * SVC version request/response has the same payload as
766 * gb_protocol_version_request/response.
769 /* SVC protocol hello request */
770 struct gb_svc_hello_request {
774 /* hello response has no payload */
776 struct gb_svc_intf_device_id_request {
780 /* device id response has no payload */
782 struct gb_svc_intf_hotplug_request {
786 __le32 ddbl1_prod_id;
789 __le64 serial_number;
792 /* hotplug response has no payload */
794 struct gb_svc_intf_hot_unplug_request {
797 /* hot unplug response has no payload */
799 struct gb_svc_intf_reset_request {
802 /* interface reset response has no payload */
804 struct gb_svc_conn_create_request {
812 /* connection create response has no payload */
814 struct gb_svc_conn_destroy_request {
820 /* connection destroy response has no payload */
822 struct gb_svc_dme_peer_get_request {
828 struct gb_svc_dme_peer_get_response {
833 struct gb_svc_dme_peer_set_request {
840 struct gb_svc_dme_peer_set_response {
844 /* Attributes for peer get/set operations */
845 #define DME_ATTR_SELECTOR_INDEX 0
846 /* FIXME: remove ES2 support and DME_ATTR_T_TST_SRC_INCREMENT */
847 #define DME_ATTR_T_TST_SRC_INCREMENT 0x4083
848 #define DME_ATTR_ES3_INIT_STATUS 0x6101
850 /* Return value from init-status attributes listed above */
851 #define DME_DIS_SPI_BOOT_STARTED 0x02
852 #define DME_DIS_TRUSTED_SPI_BOOT_FINISHED 0x03
853 #define DME_DIS_UNTRUSTED_SPI_BOOT_FINISHED 0x04
854 #define DME_DIS_UNIPRO_BOOT_STARTED 0x06
855 #define DME_DIS_FALLBACK_UNIPRO_BOOT_STARTED 0x09
857 struct gb_svc_route_create_request {
863 /* route create response has no payload */
865 struct gb_svc_route_destroy_request {
869 /* route destroy response has no payload */
871 #define GB_SVC_UNIPRO_FAST_MODE 0x01
872 #define GB_SVC_UNIPRO_SLOW_MODE 0x02
873 #define GB_SVC_UNIPRO_FAST_AUTO_MODE 0x04
874 #define GB_SVC_UNIPRO_SLOW_AUTO_MODE 0x05
875 #define GB_SVC_UNIPRO_MODE_UNCHANGED 0x07
876 #define GB_SVC_UNIPRO_HIBERNATE_MODE 0x11
877 #define GB_SVC_UNIPRO_OFF_MODE 0x12
879 #define GB_SVC_PWRM_RXTERMINATION 0x01
880 #define GB_SVC_PWRM_TXTERMINATION 0x02
881 #define GB_SVC_PWRM_LINE_RESET 0x04
882 #define GB_SVC_PWRM_SCRAMBLING 0x20
884 #define GB_SVC_PWRM_QUIRK_HSSER 0x00000001
886 #define GB_SVC_UNIPRO_HS_SERIES_A 0x01
887 #define GB_SVC_UNIPRO_HS_SERIES_B 0x02
889 struct gb_svc_intf_set_pwrm_request {
902 struct gb_svc_intf_set_pwrm_response {
908 /* Version of the Greybus raw protocol we support */
909 #define GB_RAW_VERSION_MAJOR 0x00
910 #define GB_RAW_VERSION_MINOR 0x01
912 /* Greybus raw request types */
913 #define GB_RAW_TYPE_SEND 0x02
915 struct gb_raw_send_request {
923 /* Version of the Greybus UART protocol we support */
924 #define GB_UART_VERSION_MAJOR 0x00
925 #define GB_UART_VERSION_MINOR 0x01
927 /* Greybus UART operation types */
928 #define GB_UART_TYPE_SEND_DATA 0x02
929 #define GB_UART_TYPE_RECEIVE_DATA 0x03 /* Unsolicited data */
930 #define GB_UART_TYPE_SET_LINE_CODING 0x04
931 #define GB_UART_TYPE_SET_CONTROL_LINE_STATE 0x05
932 #define GB_UART_TYPE_SEND_BREAK 0x06
933 #define GB_UART_TYPE_SERIAL_STATE 0x07 /* Unsolicited data */
935 /* Represents data from AP -> Module */
936 struct gb_uart_send_data_request {
941 /* recv-data-request flags */
942 #define GB_UART_RECV_FLAG_FRAMING 0x01 /* Framing error */
943 #define GB_UART_RECV_FLAG_PARITY 0x02 /* Parity error */
944 #define GB_UART_RECV_FLAG_OVERRUN 0x04 /* Overrun error */
945 #define GB_UART_RECV_FLAG_BREAK 0x08 /* Break */
947 /* Represents data from Module -> AP */
948 struct gb_uart_recv_data_request {
954 struct gb_uart_set_line_coding_request {
957 #define GB_SERIAL_1_STOP_BITS 0
958 #define GB_SERIAL_1_5_STOP_BITS 1
959 #define GB_SERIAL_2_STOP_BITS 2
962 #define GB_SERIAL_NO_PARITY 0
963 #define GB_SERIAL_ODD_PARITY 1
964 #define GB_SERIAL_EVEN_PARITY 2
965 #define GB_SERIAL_MARK_PARITY 3
966 #define GB_SERIAL_SPACE_PARITY 4
971 /* output control lines */
972 #define GB_UART_CTRL_DTR 0x01
973 #define GB_UART_CTRL_RTS 0x02
975 struct gb_uart_set_control_line_state_request {
979 struct gb_uart_set_break_request {
983 /* input control lines and line errors */
984 #define GB_UART_CTRL_DCD 0x01
985 #define GB_UART_CTRL_DSR 0x02
986 #define GB_UART_CTRL_RI 0x04
988 struct gb_uart_serial_state_request {
994 /* Version of the Greybus loopback protocol we support */
995 #define GB_LOOPBACK_VERSION_MAJOR 0x00
996 #define GB_LOOPBACK_VERSION_MINOR 0x01
998 /* Greybus loopback request types */
999 #define GB_LOOPBACK_TYPE_PING 0x02
1000 #define GB_LOOPBACK_TYPE_TRANSFER 0x03
1001 #define GB_LOOPBACK_TYPE_SINK 0x04
1003 struct gb_loopback_transfer_request {
1008 struct gb_loopback_transfer_response {
1016 /* Version of the Greybus sdio protocol we support */
1017 #define GB_SDIO_VERSION_MAJOR 0x00
1018 #define GB_SDIO_VERSION_MINOR 0x01
1020 /* Greybus SDIO operation types */
1021 #define GB_SDIO_TYPE_GET_CAPABILITIES 0x02
1022 #define GB_SDIO_TYPE_SET_IOS 0x03
1023 #define GB_SDIO_TYPE_COMMAND 0x04
1024 #define GB_SDIO_TYPE_TRANSFER 0x05
1025 #define GB_SDIO_TYPE_EVENT 0x06
1027 /* get caps response: request has no payload */
1028 struct gb_sdio_get_caps_response {
1030 #define GB_SDIO_CAP_NONREMOVABLE 0x00000001
1031 #define GB_SDIO_CAP_4_BIT_DATA 0x00000002
1032 #define GB_SDIO_CAP_8_BIT_DATA 0x00000004
1033 #define GB_SDIO_CAP_MMC_HS 0x00000008
1034 #define GB_SDIO_CAP_SD_HS 0x00000010
1035 #define GB_SDIO_CAP_ERASE 0x00000020
1036 #define GB_SDIO_CAP_1_2V_DDR 0x00000040
1037 #define GB_SDIO_CAP_1_8V_DDR 0x00000080
1038 #define GB_SDIO_CAP_POWER_OFF_CARD 0x00000100
1039 #define GB_SDIO_CAP_UHS_SDR12 0x00000200
1040 #define GB_SDIO_CAP_UHS_SDR25 0x00000400
1041 #define GB_SDIO_CAP_UHS_SDR50 0x00000800
1042 #define GB_SDIO_CAP_UHS_SDR104 0x00001000
1043 #define GB_SDIO_CAP_UHS_DDR50 0x00002000
1044 #define GB_SDIO_CAP_DRIVER_TYPE_A 0x00004000
1045 #define GB_SDIO_CAP_DRIVER_TYPE_C 0x00008000
1046 #define GB_SDIO_CAP_DRIVER_TYPE_D 0x00010000
1047 #define GB_SDIO_CAP_HS200_1_2V 0x00020000
1048 #define GB_SDIO_CAP_HS200_1_8V 0x00040000
1049 #define GB_SDIO_CAP_HS400_1_2V 0x00080000
1050 #define GB_SDIO_CAP_HS400_1_8V 0x00100000
1052 /* see possible values below at vdd */
1054 __le16 max_blk_count;
1055 __le16 max_blk_size;
1060 /* set ios request: response has no payload */
1061 struct gb_sdio_set_ios_request {
1064 #define GB_SDIO_VDD_165_195 0x00000001
1065 #define GB_SDIO_VDD_20_21 0x00000002
1066 #define GB_SDIO_VDD_21_22 0x00000004
1067 #define GB_SDIO_VDD_22_23 0x00000008
1068 #define GB_SDIO_VDD_23_24 0x00000010
1069 #define GB_SDIO_VDD_24_25 0x00000020
1070 #define GB_SDIO_VDD_25_26 0x00000040
1071 #define GB_SDIO_VDD_26_27 0x00000080
1072 #define GB_SDIO_VDD_27_28 0x00000100
1073 #define GB_SDIO_VDD_28_29 0x00000200
1074 #define GB_SDIO_VDD_29_30 0x00000400
1075 #define GB_SDIO_VDD_30_31 0x00000800
1076 #define GB_SDIO_VDD_31_32 0x00001000
1077 #define GB_SDIO_VDD_32_33 0x00002000
1078 #define GB_SDIO_VDD_33_34 0x00004000
1079 #define GB_SDIO_VDD_34_35 0x00008000
1080 #define GB_SDIO_VDD_35_36 0x00010000
1083 #define GB_SDIO_BUSMODE_OPENDRAIN 0x00
1084 #define GB_SDIO_BUSMODE_PUSHPULL 0x01
1087 #define GB_SDIO_POWER_OFF 0x00
1088 #define GB_SDIO_POWER_UP 0x01
1089 #define GB_SDIO_POWER_ON 0x02
1090 #define GB_SDIO_POWER_UNDEFINED 0x03
1093 #define GB_SDIO_BUS_WIDTH_1 0x00
1094 #define GB_SDIO_BUS_WIDTH_4 0x02
1095 #define GB_SDIO_BUS_WIDTH_8 0x03
1098 #define GB_SDIO_TIMING_LEGACY 0x00
1099 #define GB_SDIO_TIMING_MMC_HS 0x01
1100 #define GB_SDIO_TIMING_SD_HS 0x02
1101 #define GB_SDIO_TIMING_UHS_SDR12 0x03
1102 #define GB_SDIO_TIMING_UHS_SDR25 0x04
1103 #define GB_SDIO_TIMING_UHS_SDR50 0x05
1104 #define GB_SDIO_TIMING_UHS_SDR104 0x06
1105 #define GB_SDIO_TIMING_UHS_DDR50 0x07
1106 #define GB_SDIO_TIMING_MMC_DDR52 0x08
1107 #define GB_SDIO_TIMING_MMC_HS200 0x09
1108 #define GB_SDIO_TIMING_MMC_HS400 0x0A
1110 __u8 signal_voltage;
1111 #define GB_SDIO_SIGNAL_VOLTAGE_330 0x00
1112 #define GB_SDIO_SIGNAL_VOLTAGE_180 0x01
1113 #define GB_SDIO_SIGNAL_VOLTAGE_120 0x02
1116 #define GB_SDIO_SET_DRIVER_TYPE_B 0x00
1117 #define GB_SDIO_SET_DRIVER_TYPE_A 0x01
1118 #define GB_SDIO_SET_DRIVER_TYPE_C 0x02
1119 #define GB_SDIO_SET_DRIVER_TYPE_D 0x03
1122 /* command request */
1123 struct gb_sdio_command_request {
1126 #define GB_SDIO_RSP_NONE 0x00
1127 #define GB_SDIO_RSP_PRESENT 0x01
1128 #define GB_SDIO_RSP_136 0x02
1129 #define GB_SDIO_RSP_CRC 0x04
1130 #define GB_SDIO_RSP_BUSY 0x08
1131 #define GB_SDIO_RSP_OPCODE 0x10
1134 #define GB_SDIO_CMD_AC 0x00
1135 #define GB_SDIO_CMD_ADTC 0x01
1136 #define GB_SDIO_CMD_BC 0x02
1137 #define GB_SDIO_CMD_BCR 0x03
1144 struct gb_sdio_command_response {
1148 /* transfer request */
1149 struct gb_sdio_transfer_request {
1151 #define GB_SDIO_DATA_WRITE 0x01
1152 #define GB_SDIO_DATA_READ 0x02
1153 #define GB_SDIO_DATA_STREAM 0x04
1160 struct gb_sdio_transfer_response {
1166 /* event request: generated by module and is defined as unidirectional */
1167 struct gb_sdio_event_request {
1169 #define GB_SDIO_CARD_INSERTED 0x01
1170 #define GB_SDIO_CARD_REMOVED 0x02
1171 #define GB_SDIO_WP 0x04
1176 #define GB_CAMERA_VERSION_MAJOR 0x00
1177 #define GB_CAMERA_VERSION_MINOR 0x01
1179 /* Greybus Camera request types */
1180 #define GB_CAMERA_TYPE_CAPABILITIES 0x02
1181 #define GB_CAMERA_TYPE_CONFIGURE_STREAMS 0x03
1182 #define GB_CAMERA_TYPE_CAPTURE 0x04
1183 #define GB_CAMERA_TYPE_FLUSH 0x05
1184 #define GB_CAMERA_TYPE_METADATA 0x06
1186 #define GB_CAMERA_MAX_STREAMS 4
1187 #define GB_CAMERA_MAX_SETTINGS_SIZE 8192
1189 /* Greybus Camera Configure Streams request payload */
1190 struct gb_camera_stream_config_request {
1197 struct gb_camera_configure_streams_request {
1200 #define GB_CAMERA_CONFIGURE_STREAMS_TEST_ONLY 0x01
1202 struct gb_camera_stream_config_request config[0];
1205 /* Greybus Camera Configure Streams response payload */
1206 struct gb_camera_stream_config_response {
1210 __u8 virtual_channel;
1216 struct gb_camera_configure_streams_response {
1219 #define GB_CAMERA_CONFIGURE_STREAMS_ADJUSTED 0x01
1221 struct gb_camera_stream_config_response config[0];
1224 /* Greybus Camera Capture request payload - response has no payload */
1225 struct gb_camera_capture_request {
1233 /* Greybus Camera Flush response payload - request has no payload */
1234 struct gb_camera_flush_response {
1238 /* Greybus Camera Metadata request payload - operation has no response */
1239 struct gb_camera_metadata_request {
1241 __le16 frame_number;
1249 #define GB_LIGHTS_VERSION_MAJOR 0x00
1250 #define GB_LIGHTS_VERSION_MINOR 0x01
1252 /* Greybus Lights request types */
1253 #define GB_LIGHTS_TYPE_GET_LIGHTS 0x02
1254 #define GB_LIGHTS_TYPE_GET_LIGHT_CONFIG 0x03
1255 #define GB_LIGHTS_TYPE_GET_CHANNEL_CONFIG 0x04
1256 #define GB_LIGHTS_TYPE_GET_CHANNEL_FLASH_CONFIG 0x05
1257 #define GB_LIGHTS_TYPE_SET_BRIGHTNESS 0x06
1258 #define GB_LIGHTS_TYPE_SET_BLINK 0x07
1259 #define GB_LIGHTS_TYPE_SET_COLOR 0x08
1260 #define GB_LIGHTS_TYPE_SET_FADE 0x09
1261 #define GB_LIGHTS_TYPE_EVENT 0x0A
1262 #define GB_LIGHTS_TYPE_SET_FLASH_INTENSITY 0x0B
1263 #define GB_LIGHTS_TYPE_SET_FLASH_STROBE 0x0C
1264 #define GB_LIGHTS_TYPE_SET_FLASH_TIMEOUT 0x0D
1265 #define GB_LIGHTS_TYPE_GET_FLASH_FAULT 0x0E
1267 /* Greybus Light modes */
1270 * if you add any specific mode below, update also the
1271 * GB_CHANNEL_MODE_DEFINED_RANGE value accordingly
1273 #define GB_CHANNEL_MODE_NONE 0x00000000
1274 #define GB_CHANNEL_MODE_BATTERY 0x00000001
1275 #define GB_CHANNEL_MODE_POWER 0x00000002
1276 #define GB_CHANNEL_MODE_WIRELESS 0x00000004
1277 #define GB_CHANNEL_MODE_BLUETOOTH 0x00000008
1278 #define GB_CHANNEL_MODE_KEYBOARD 0x00000010
1279 #define GB_CHANNEL_MODE_BUTTONS 0x00000020
1280 #define GB_CHANNEL_MODE_NOTIFICATION 0x00000040
1281 #define GB_CHANNEL_MODE_ATTENTION 0x00000080
1282 #define GB_CHANNEL_MODE_FLASH 0x00000100
1283 #define GB_CHANNEL_MODE_TORCH 0x00000200
1284 #define GB_CHANNEL_MODE_INDICATOR 0x00000400
1286 /* Lights Mode valid bit values */
1287 #define GB_CHANNEL_MODE_DEFINED_RANGE 0x000004FF
1288 #define GB_CHANNEL_MODE_VENDOR_RANGE 0x00F00000
1290 /* Greybus Light Channels Flags */
1291 #define GB_LIGHT_CHANNEL_MULTICOLOR 0x00000001
1292 #define GB_LIGHT_CHANNEL_FADER 0x00000002
1293 #define GB_LIGHT_CHANNEL_BLINK 0x00000004
1295 /* get count of lights in module */
1296 struct gb_lights_get_lights_response {
1300 /* light config request payload */
1301 struct gb_lights_get_light_config_request {
1305 /* light config response payload */
1306 struct gb_lights_get_light_config_response {
1311 /* channel config request payload */
1312 struct gb_lights_get_channel_config_request {
1317 /* channel flash config request payload */
1318 struct gb_lights_get_channel_flash_config_request {
1323 /* channel config response payload */
1324 struct gb_lights_get_channel_config_response {
1325 __u8 max_brightness;
1328 __u8 color_name[32];
1333 /* channel flash config response payload */
1334 struct gb_lights_get_channel_flash_config_response {
1335 __le32 intensity_min_uA;
1336 __le32 intensity_max_uA;
1337 __le32 intensity_step_uA;
1338 __le32 timeout_min_us;
1339 __le32 timeout_max_us;
1340 __le32 timeout_step_us;
1343 /* blink request payload: response have no payload */
1344 struct gb_lights_blink_request {
1351 /* set brightness request payload: response have no payload */
1352 struct gb_lights_set_brightness_request {
1358 /* set color request payload: response have no payload */
1359 struct gb_lights_set_color_request {
1365 /* set fade request payload: response have no payload */
1366 struct gb_lights_set_fade_request {
1373 /* event request: generated by module */
1374 struct gb_lights_event_request {
1377 #define GB_LIGHTS_LIGHT_CONFIG 0x01
1380 /* set flash intensity request payload: response have no payload */
1381 struct gb_lights_set_flash_intensity_request {
1384 __le32 intensity_uA;
1387 /* set flash strobe state request payload: response have no payload */
1388 struct gb_lights_set_flash_strobe_request {
1394 /* set flash timeout request payload: response have no payload */
1395 struct gb_lights_set_flash_timeout_request {
1401 /* get flash fault request payload */
1402 struct gb_lights_get_flash_fault_request {
1407 /* get flash fault response payload */
1408 struct gb_lights_get_flash_fault_response {
1410 #define GB_LIGHTS_FLASH_FAULT_OVER_VOLTAGE 0x00000000
1411 #define GB_LIGHTS_FLASH_FAULT_TIMEOUT 0x00000001
1412 #define GB_LIGHTS_FLASH_FAULT_OVER_TEMPERATURE 0x00000002
1413 #define GB_LIGHTS_FLASH_FAULT_SHORT_CIRCUIT 0x00000004
1414 #define GB_LIGHTS_FLASH_FAULT_OVER_CURRENT 0x00000008
1415 #define GB_LIGHTS_FLASH_FAULT_INDICATOR 0x00000010
1416 #define GB_LIGHTS_FLASH_FAULT_UNDER_VOLTAGE 0x00000020
1417 #define GB_LIGHTS_FLASH_FAULT_INPUT_VOLTAGE 0x00000040
1418 #define GB_LIGHTS_FLASH_FAULT_LED_OVER_TEMPERATURE 0x00000080
1421 #endif /* __GREYBUS_PROTOCOLS_H */