2015-04-09 17:01:31 -06:00
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/*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2014 - 2015 Google Inc. All rights reserved.
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* Copyright(c) 2014 - 2015 Linaro Ltd. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License version 2 for more details.
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*
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* BSD LICENSE
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*
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* Copyright(c) 2014 - 2015 Google Inc. All rights reserved.
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* Copyright(c) 2014 - 2015 Linaro Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. or Linaro Ltd. nor the names of
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* its contributors may be used to endorse or promote products
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* derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GOOGLE INC. OR
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* LINARO LTD. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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2015-05-27 13:45:58 -06:00
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#ifndef __GREYBUS_PROTOCOLS_H
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#define __GREYBUS_PROTOCOLS_H
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2015-04-09 17:01:31 -06:00
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2015-06-22 05:12:26 -06:00
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/* Control Protocol */
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/* Bundle-id and cport-id for control cport */
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#define GB_CONTROL_BUNDLE_ID 0
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#define GB_CONTROL_CPORT_ID 2
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/* Version of the Greybus control protocol we support */
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#define GB_CONTROL_VERSION_MAJOR 0x00
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#define GB_CONTROL_VERSION_MINOR 0x01
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/* Greybus control request types */
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#define GB_CONTROL_TYPE_INVALID 0x00
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#define GB_CONTROL_TYPE_PROTOCOL_VERSION 0x01
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#define GB_CONTROL_TYPE_PROBE_AP 0x02
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#define GB_CONTROL_TYPE_GET_MANIFEST_SIZE 0x03
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#define GB_CONTROL_TYPE_GET_MANIFEST 0x04
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#define GB_CONTROL_TYPE_CONNECTED 0x05
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#define GB_CONTROL_TYPE_DISCONNECTED 0x06
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/* Control protocol manifest get size request has no payload*/
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struct gb_control_get_manifest_size_response {
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__le16 size;
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};
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/* Control protocol manifest get request has no payload */
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struct gb_control_get_manifest_response {
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__u8 data[0];
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};
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/* Control protocol [dis]connected request */
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struct gb_control_connected_request {
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__le16 cport_id;
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};
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struct gb_control_disconnected_request {
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__le16 cport_id;
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};
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/* Control protocol [dis]connected response has no payload */
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2015-04-09 17:01:31 -06:00
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/* I2C */
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/* Version of the Greybus i2c protocol we support */
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2015-04-10 03:18:49 -06:00
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#define GB_I2C_VERSION_MAJOR 0x00
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#define GB_I2C_VERSION_MINOR 0x01
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2015-04-09 17:01:31 -06:00
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/* Greybus i2c request types */
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2015-04-10 03:18:49 -06:00
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#define GB_I2C_TYPE_INVALID 0x00
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#define GB_I2C_TYPE_PROTOCOL_VERSION 0x01
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#define GB_I2C_TYPE_FUNCTIONALITY 0x02
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#define GB_I2C_TYPE_TIMEOUT 0x03
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#define GB_I2C_TYPE_RETRIES 0x04
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#define GB_I2C_TYPE_TRANSFER 0x05
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2015-04-09 17:01:31 -06:00
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2015-04-10 03:18:49 -06:00
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#define GB_I2C_RETRIES_DEFAULT 3
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#define GB_I2C_TIMEOUT_DEFAULT 1000 /* milliseconds */
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2015-04-09 17:01:31 -06:00
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/* functionality request has no payload */
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struct gb_i2c_functionality_response {
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__le32 functionality;
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};
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struct gb_i2c_timeout_request {
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__le16 msec;
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};
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/* timeout response has no payload */
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struct gb_i2c_retries_request {
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__u8 retries;
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};
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/* retries response has no payload */
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/*
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* Outgoing data immediately follows the op count and ops array.
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* The data for each write (master -> slave) op in the array is sent
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* in order, with no (e.g. pad) bytes separating them.
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*
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* Short reads cause the entire transfer request to fail So response
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* payload consists only of bytes read, and the number of bytes is
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* exactly what was specified in the corresponding op. Like
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* outgoing data, the incoming data is in order and contiguous.
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*/
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struct gb_i2c_transfer_op {
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__le16 addr;
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__le16 flags;
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__le16 size;
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};
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struct gb_i2c_transfer_request {
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__le16 op_count;
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struct gb_i2c_transfer_op ops[0]; /* op_count of these */
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};
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struct gb_i2c_transfer_response {
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__u8 data[0]; /* inbound data */
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};
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/* GPIO */
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/* Version of the Greybus GPIO protocol we support */
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2015-04-10 03:18:49 -06:00
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#define GB_GPIO_VERSION_MAJOR 0x00
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#define GB_GPIO_VERSION_MINOR 0x01
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/* Greybus GPIO request types */
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2015-04-10 03:18:49 -06:00
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#define GB_GPIO_TYPE_INVALID 0x00
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#define GB_GPIO_TYPE_PROTOCOL_VERSION 0x01
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#define GB_GPIO_TYPE_LINE_COUNT 0x02
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#define GB_GPIO_TYPE_ACTIVATE 0x03
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#define GB_GPIO_TYPE_DEACTIVATE 0x04
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#define GB_GPIO_TYPE_GET_DIRECTION 0x05
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#define GB_GPIO_TYPE_DIRECTION_IN 0x06
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#define GB_GPIO_TYPE_DIRECTION_OUT 0x07
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#define GB_GPIO_TYPE_GET_VALUE 0x08
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#define GB_GPIO_TYPE_SET_VALUE 0x09
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#define GB_GPIO_TYPE_SET_DEBOUNCE 0x0a
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#define GB_GPIO_TYPE_IRQ_TYPE 0x0b
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#define GB_GPIO_TYPE_IRQ_MASK 0x0c
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#define GB_GPIO_TYPE_IRQ_UNMASK 0x0d
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#define GB_GPIO_TYPE_IRQ_EVENT 0x0e
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2015-05-28 11:03:34 -06:00
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#define GB_GPIO_IRQ_TYPE_NONE 0x00
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#define GB_GPIO_IRQ_TYPE_EDGE_RISING 0x01
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#define GB_GPIO_IRQ_TYPE_EDGE_FALLING 0x02
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#define GB_GPIO_IRQ_TYPE_EDGE_BOTH 0x03
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#define GB_GPIO_IRQ_TYPE_LEVEL_HIGH 0x04
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#define GB_GPIO_IRQ_TYPE_LEVEL_LOW 0x08
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2015-04-09 17:01:31 -06:00
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/* line count request has no payload */
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struct gb_gpio_line_count_response {
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__u8 count;
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};
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struct gb_gpio_activate_request {
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__u8 which;
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};
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/* activate response has no payload */
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struct gb_gpio_deactivate_request {
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__u8 which;
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};
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/* deactivate response has no payload */
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struct gb_gpio_get_direction_request {
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__u8 which;
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};
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struct gb_gpio_get_direction_response {
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__u8 direction;
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};
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struct gb_gpio_direction_in_request {
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__u8 which;
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};
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/* direction in response has no payload */
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struct gb_gpio_direction_out_request {
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__u8 which;
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__u8 value;
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};
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/* direction out response has no payload */
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struct gb_gpio_get_value_request {
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__u8 which;
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};
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struct gb_gpio_get_value_response {
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__u8 value;
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};
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struct gb_gpio_set_value_request {
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__u8 which;
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__u8 value;
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};
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/* set value response has no payload */
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struct gb_gpio_set_debounce_request {
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__u8 which;
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__le16 usec __packed;
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};
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/* debounce response has no payload */
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struct gb_gpio_irq_type_request {
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__u8 which;
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__u8 type;
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};
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/* irq type response has no payload */
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struct gb_gpio_irq_mask_request {
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__u8 which;
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};
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/* irq mask response has no payload */
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struct gb_gpio_irq_unmask_request {
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__u8 which;
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};
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/* irq unmask response has no payload */
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/* irq event requests originate on another module and are handled on the AP */
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struct gb_gpio_irq_event_request {
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__u8 which;
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};
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2015-05-26 07:29:25 -06:00
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/* irq event has no response */
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2015-04-09 17:01:31 -06:00
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/* PWM */
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/* Version of the Greybus PWM protocol we support */
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#define GB_PWM_VERSION_MAJOR 0x00
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#define GB_PWM_VERSION_MINOR 0x01
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2015-05-07 12:03:52 -06:00
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/* Greybus PWM operation types */
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2015-04-10 03:18:49 -06:00
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#define GB_PWM_TYPE_INVALID 0x00
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#define GB_PWM_TYPE_PROTOCOL_VERSION 0x01
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#define GB_PWM_TYPE_PWM_COUNT 0x02
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#define GB_PWM_TYPE_ACTIVATE 0x03
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#define GB_PWM_TYPE_DEACTIVATE 0x04
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#define GB_PWM_TYPE_CONFIG 0x05
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#define GB_PWM_TYPE_POLARITY 0x06
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#define GB_PWM_TYPE_ENABLE 0x07
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#define GB_PWM_TYPE_DISABLE 0x08
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2015-04-09 17:01:31 -06:00
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/* pwm count request has no payload */
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struct gb_pwm_count_response {
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__u8 count;
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};
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struct gb_pwm_activate_request {
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__u8 which;
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};
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struct gb_pwm_deactivate_request {
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__u8 which;
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};
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struct gb_pwm_config_request {
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__u8 which;
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__le32 duty __packed;
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__le32 period __packed;
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};
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struct gb_pwm_polarity_request {
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__u8 which;
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__u8 polarity;
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};
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struct gb_pwm_enable_request {
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__u8 which;
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};
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struct gb_pwm_disable_request {
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__u8 which;
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};
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/* I2S */
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#define GB_I2S_MGMT_TYPE_PROTOCOL_VERSION 0x01
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#define GB_I2S_MGMT_TYPE_GET_SUPPORTED_CONFIGURATIONS 0x02
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#define GB_I2S_MGMT_TYPE_SET_CONFIGURATION 0x03
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#define GB_I2S_MGMT_TYPE_SET_SAMPLES_PER_MESSAGE 0x04
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#define GB_I2S_MGMT_TYPE_GET_PROCESSING_DELAY 0x05
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#define GB_I2S_MGMT_TYPE_SET_START_DELAY 0x06
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#define GB_I2S_MGMT_TYPE_ACTIVATE_CPORT 0x07
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#define GB_I2S_MGMT_TYPE_DEACTIVATE_CPORT 0x08
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#define GB_I2S_MGMT_TYPE_REPORT_EVENT 0x09
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#define GB_I2S_MGMT_BYTE_ORDER_NA BIT(0)
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#define GB_I2S_MGMT_BYTE_ORDER_BE BIT(1)
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#define GB_I2S_MGMT_BYTE_ORDER_LE BIT(2)
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#define GB_I2S_MGMT_SPATIAL_LOCATION_FL BIT(0)
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#define GB_I2S_MGMT_SPATIAL_LOCATION_FR BIT(1)
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#define GB_I2S_MGMT_SPATIAL_LOCATION_FC BIT(2)
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#define GB_I2S_MGMT_SPATIAL_LOCATION_LFE BIT(3)
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#define GB_I2S_MGMT_SPATIAL_LOCATION_BL BIT(4)
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#define GB_I2S_MGMT_SPATIAL_LOCATION_BR BIT(5)
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#define GB_I2S_MGMT_SPATIAL_LOCATION_FLC BIT(6)
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#define GB_I2S_MGMT_SPATIAL_LOCATION_FRC BIT(7)
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#define GB_I2S_MGMT_SPATIAL_LOCATION_C BIT(8) /* BC in USB */
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#define GB_I2S_MGMT_SPATIAL_LOCATION_SL BIT(9)
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#define GB_I2S_MGMT_SPATIAL_LOCATION_SR BIT(10)
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#define GB_I2S_MGMT_SPATIAL_LOCATION_TC BIT(11)
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#define GB_I2S_MGMT_SPATIAL_LOCATION_TFL BIT(12)
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#define GB_I2S_MGMT_SPATIAL_LOCATION_TFC BIT(13)
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#define GB_I2S_MGMT_SPATIAL_LOCATION_TFR BIT(14)
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#define GB_I2S_MGMT_SPATIAL_LOCATION_TBL BIT(15)
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#define GB_I2S_MGMT_SPATIAL_LOCATION_TBC BIT(16)
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#define GB_I2S_MGMT_SPATIAL_LOCATION_TBR BIT(17)
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#define GB_I2S_MGMT_SPATIAL_LOCATION_TFLC BIT(18)
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#define GB_I2S_MGMT_SPATIAL_LOCATION_TFRC BIT(19)
|
|
|
|
#define GB_I2S_MGMT_SPATIAL_LOCATION_LLFE BIT(20)
|
|
|
|
#define GB_I2S_MGMT_SPATIAL_LOCATION_RLFE BIT(21)
|
|
|
|
#define GB_I2S_MGMT_SPATIAL_LOCATION_TSL BIT(22)
|
|
|
|
#define GB_I2S_MGMT_SPATIAL_LOCATION_TSR BIT(23)
|
|
|
|
#define GB_I2S_MGMT_SPATIAL_LOCATION_BC BIT(24)
|
|
|
|
#define GB_I2S_MGMT_SPATIAL_LOCATION_BLC BIT(25)
|
|
|
|
#define GB_I2S_MGMT_SPATIAL_LOCATION_BRC BIT(26)
|
|
|
|
#define GB_I2S_MGMT_SPATIAL_LOCATION_RD BIT(31)
|
|
|
|
|
|
|
|
#define GB_I2S_MGMT_PROTOCOL_PCM BIT(0)
|
|
|
|
#define GB_I2S_MGMT_PROTOCOL_I2S BIT(1)
|
|
|
|
#define GB_I2S_MGMT_PROTOCOL_LR_STEREO BIT(2)
|
|
|
|
|
|
|
|
#define GB_I2S_MGMT_ROLE_MASTER BIT(0)
|
|
|
|
#define GB_I2S_MGMT_ROLE_SLAVE BIT(1)
|
|
|
|
|
|
|
|
#define GB_I2S_MGMT_POLARITY_NORMAL BIT(0)
|
|
|
|
#define GB_I2S_MGMT_POLARITY_REVERSED BIT(1)
|
|
|
|
|
|
|
|
#define GB_I2S_MGMT_EDGE_RISING BIT(0)
|
|
|
|
#define GB_I2S_MGMT_EDGE_FALLING BIT(1)
|
|
|
|
|
|
|
|
#define GB_I2S_MGMT_EVENT_UNSPECIFIED 0x1
|
|
|
|
#define GB_I2S_MGMT_EVENT_HALT 0x2
|
|
|
|
#define GB_I2S_MGMT_EVENT_INTERNAL_ERROR 0x3
|
|
|
|
#define GB_I2S_MGMT_EVENT_PROTOCOL_ERROR 0x4
|
|
|
|
#define GB_I2S_MGMT_EVENT_FAILURE 0x5
|
|
|
|
#define GB_I2S_MGMT_EVENT_OUT_OF_SEQUENCE 0x6
|
|
|
|
#define GB_I2S_MGMT_EVENT_UNDERRUN 0x7
|
|
|
|
#define GB_I2S_MGMT_EVENT_OVERRUN 0x8
|
|
|
|
#define GB_I2S_MGMT_EVENT_CLOCKING 0x9
|
|
|
|
#define GB_I2S_MGMT_EVENT_DATA_LEN 0xa
|
|
|
|
|
|
|
|
struct gb_i2s_mgmt_configuration {
|
|
|
|
__le32 sample_frequency;
|
|
|
|
__u8 num_channels;
|
|
|
|
__u8 bytes_per_channel;
|
|
|
|
__u8 byte_order;
|
|
|
|
__u8 pad;
|
|
|
|
__le32 spatial_locations;
|
|
|
|
__le32 ll_protocol;
|
2015-05-08 13:57:36 -06:00
|
|
|
__u8 ll_mclk_role;
|
2015-04-09 17:01:31 -06:00
|
|
|
__u8 ll_bclk_role;
|
|
|
|
__u8 ll_wclk_role;
|
|
|
|
__u8 ll_wclk_polarity;
|
|
|
|
__u8 ll_wclk_change_edge;
|
|
|
|
__u8 ll_wclk_tx_edge;
|
|
|
|
__u8 ll_wclk_rx_edge;
|
|
|
|
__u8 ll_data_offset;
|
|
|
|
};
|
|
|
|
|
|
|
|
/* get supported configurations request has no payload */
|
|
|
|
struct gb_i2s_mgmt_get_supported_configurations_response {
|
|
|
|
__u8 config_count;
|
|
|
|
__u8 pad[3];
|
|
|
|
struct gb_i2s_mgmt_configuration config[0];
|
|
|
|
};
|
|
|
|
|
|
|
|
struct gb_i2s_mgmt_set_configuration_request {
|
|
|
|
struct gb_i2s_mgmt_configuration config;
|
|
|
|
};
|
|
|
|
/* set configuration response has no payload */
|
|
|
|
|
|
|
|
struct gb_i2s_mgmt_set_samples_per_message_request {
|
|
|
|
__le16 samples_per_message;
|
|
|
|
};
|
|
|
|
/* set samples per message response has no payload */
|
|
|
|
|
|
|
|
/* get processing request delay has no payload */
|
|
|
|
struct gb_i2s_mgmt_get_processing_delay_response {
|
|
|
|
__le32 microseconds;
|
|
|
|
};
|
|
|
|
|
|
|
|
struct gb_i2s_mgmt_set_start_delay_request {
|
|
|
|
__le32 microseconds;
|
|
|
|
};
|
|
|
|
/* set start delay response has no payload */
|
|
|
|
|
|
|
|
struct gb_i2s_mgmt_activate_cport_request {
|
|
|
|
__le16 cport;
|
|
|
|
};
|
|
|
|
/* activate cport response has no payload */
|
|
|
|
|
|
|
|
struct gb_i2s_mgmt_deactivate_cport_request {
|
|
|
|
__le16 cport;
|
|
|
|
};
|
|
|
|
/* deactivate cport response has no payload */
|
|
|
|
|
|
|
|
struct gb_i2s_mgmt_report_event_request {
|
|
|
|
__u8 event;
|
|
|
|
};
|
|
|
|
/* report event response has no payload */
|
|
|
|
|
|
|
|
#define GB_I2S_DATA_TYPE_PROTOCOL_VERSION 0x01
|
|
|
|
#define GB_I2S_DATA_TYPE_SEND_DATA 0x02
|
|
|
|
|
|
|
|
struct gb_i2s_send_data_request {
|
|
|
|
__le32 sample_number;
|
|
|
|
__le32 size;
|
|
|
|
__u8 data[0];
|
|
|
|
};
|
|
|
|
/* send data has no response at all */
|
|
|
|
|
2015-05-20 05:03:57 -06:00
|
|
|
|
|
|
|
/* SPI */
|
|
|
|
|
|
|
|
/* Version of the Greybus spi protocol we support */
|
|
|
|
#define GB_SPI_VERSION_MAJOR 0x00
|
|
|
|
#define GB_SPI_VERSION_MINOR 0x01
|
|
|
|
|
|
|
|
/* Should match up with modes in linux/spi/spi.h */
|
|
|
|
#define GB_SPI_MODE_CPHA 0x01 /* clock phase */
|
|
|
|
#define GB_SPI_MODE_CPOL 0x02 /* clock polarity */
|
|
|
|
#define GB_SPI_MODE_MODE_0 (0|0) /* (original MicroWire) */
|
|
|
|
#define GB_SPI_MODE_MODE_1 (0|GB_SPI_MODE_CPHA)
|
|
|
|
#define GB_SPI_MODE_MODE_2 (GB_SPI_MODE_CPOL|0)
|
|
|
|
#define GB_SPI_MODE_MODE_3 (GB_SPI_MODE_CPOL|GB_SPI_MODE_CPHA)
|
|
|
|
#define GB_SPI_MODE_CS_HIGH 0x04 /* chipselect active high? */
|
|
|
|
#define GB_SPI_MODE_LSB_FIRST 0x08 /* per-word bits-on-wire */
|
|
|
|
#define GB_SPI_MODE_3WIRE 0x10 /* SI/SO signals shared */
|
|
|
|
#define GB_SPI_MODE_LOOP 0x20 /* loopback mode */
|
|
|
|
#define GB_SPI_MODE_NO_CS 0x40 /* 1 dev/bus, no chipselect */
|
|
|
|
#define GB_SPI_MODE_READY 0x80 /* slave pulls low to pause */
|
|
|
|
|
|
|
|
/* Should match up with flags in linux/spi/spi.h */
|
|
|
|
#define GB_SPI_FLAG_HALF_DUPLEX BIT(0) /* can't do full duplex */
|
|
|
|
#define GB_SPI_FLAG_NO_RX BIT(1) /* can't do buffer read */
|
|
|
|
#define GB_SPI_FLAG_NO_TX BIT(2) /* can't do buffer write */
|
|
|
|
|
|
|
|
/* Greybus spi operation types */
|
|
|
|
#define GB_SPI_TYPE_INVALID 0x00
|
|
|
|
#define GB_SPI_TYPE_PROTOCOL_VERSION 0x01
|
|
|
|
#define GB_SPI_TYPE_MODE 0x02
|
|
|
|
#define GB_SPI_TYPE_FLAGS 0x03
|
|
|
|
#define GB_SPI_TYPE_BITS_PER_WORD_MASK 0x04
|
|
|
|
#define GB_SPI_TYPE_NUM_CHIPSELECT 0x05
|
|
|
|
#define GB_SPI_TYPE_TRANSFER 0x06
|
|
|
|
|
|
|
|
/* mode request has no payload */
|
|
|
|
struct gb_spi_mode_response {
|
|
|
|
__le16 mode;
|
|
|
|
};
|
|
|
|
|
|
|
|
/* flags request has no payload */
|
|
|
|
struct gb_spi_flags_response {
|
|
|
|
__le16 flags;
|
|
|
|
};
|
|
|
|
|
|
|
|
/* bits-per-word request has no payload */
|
|
|
|
struct gb_spi_bpw_response {
|
|
|
|
__le32 bits_per_word_mask;
|
|
|
|
};
|
|
|
|
|
|
|
|
/* num-chipselects request has no payload */
|
|
|
|
struct gb_spi_chipselect_response {
|
|
|
|
__le16 num_chipselect;
|
|
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
|
|
* struct gb_spi_transfer - a read/write buffer pair
|
|
|
|
* @speed_hz: Select a speed other than the device default for this transfer. If
|
|
|
|
* 0 the default (from @spi_device) is used.
|
|
|
|
* @len: size of rx and tx buffers (in bytes)
|
|
|
|
* @delay_usecs: microseconds to delay after this transfer before (optionally)
|
|
|
|
* changing the chipselect status, then starting the next transfer or
|
|
|
|
* completing this spi_message.
|
|
|
|
* @cs_change: affects chipselect after this transfer completes
|
|
|
|
* @bits_per_word: select a bits_per_word other than the device default for this
|
|
|
|
* transfer. If 0 the default (from @spi_device) is used.
|
|
|
|
*/
|
|
|
|
struct gb_spi_transfer {
|
|
|
|
__le32 speed_hz;
|
|
|
|
__le32 len;
|
|
|
|
__le16 delay_usecs;
|
|
|
|
__u8 cs_change;
|
|
|
|
__u8 bits_per_word;
|
|
|
|
};
|
|
|
|
|
|
|
|
struct gb_spi_transfer_request {
|
|
|
|
__u8 chip_select; /* of the spi device */
|
|
|
|
__u8 mode; /* of the spi device */
|
|
|
|
__le16 count;
|
|
|
|
struct gb_spi_transfer transfers[0]; /* trnasfer_count of these */
|
|
|
|
};
|
|
|
|
|
|
|
|
struct gb_spi_transfer_response {
|
|
|
|
__u8 data[0]; /* inbound data */
|
|
|
|
};
|
|
|
|
|
2015-05-22 12:02:08 -06:00
|
|
|
/* Version of the Greybus SVC protocol we support */
|
|
|
|
#define GB_SVC_VERSION_MAJOR 0x00
|
|
|
|
#define GB_SVC_VERSION_MINOR 0x01
|
|
|
|
|
|
|
|
/* Greybus SVC request types */
|
|
|
|
#define GB_SVC_TYPE_INVALID 0x00
|
|
|
|
#define GB_SVC_TYPE_PROTOCOL_VERSION 0x01
|
|
|
|
#define GB_SVC_TYPE_INTF_DEVICE_ID 0x02
|
|
|
|
#define GB_SVC_TYPE_INTF_HOTPLUG 0x03
|
|
|
|
#define GB_SVC_TYPE_INTF_HOT_UNPLUG 0x04
|
|
|
|
#define GB_SVC_TYPE_INTF_RESET 0x05
|
|
|
|
#define GB_SVC_TYPE_CONN_CREATE 0x06
|
|
|
|
#define GB_SVC_TYPE_CONN_DESTROY 0x07
|
|
|
|
|
|
|
|
struct gb_svc_intf_device_id_request {
|
|
|
|
__u8 intf_id;
|
|
|
|
__u8 device_id;
|
|
|
|
};
|
|
|
|
/* device id response has no payload */
|
|
|
|
|
|
|
|
struct gb_svc_intf_hotplug_request {
|
|
|
|
__u8 intf_id;
|
|
|
|
struct {
|
|
|
|
__le32 unipro_mfg_id;
|
|
|
|
__le32 unipro_prod_id;
|
|
|
|
__le32 ara_vend_id;
|
|
|
|
__le32 ara_prod_id;
|
|
|
|
} data;
|
|
|
|
};
|
|
|
|
/* hotplug response has no payload */
|
|
|
|
|
|
|
|
struct gb_svc_intf_hot_unplug_request {
|
|
|
|
__u8 intf_id;
|
|
|
|
};
|
|
|
|
/* hot unplug response has no payload */
|
|
|
|
|
|
|
|
struct gb_svc_intf_reset_request {
|
|
|
|
__u8 intf_id;
|
|
|
|
};
|
|
|
|
/* interface reset response has no payload */
|
|
|
|
|
|
|
|
struct gb_svc_conn_create_request {
|
|
|
|
__u8 intf1_id;
|
|
|
|
__u16 cport1_id;
|
|
|
|
__u8 intf2_id;
|
|
|
|
__u16 cport2_id;
|
|
|
|
};
|
|
|
|
/* connection create response has no payload */
|
|
|
|
|
|
|
|
struct gb_svc_conn_destroy_request {
|
|
|
|
__u8 intf1_id;
|
|
|
|
__u16 cport1_id;
|
|
|
|
__u8 intf2_id;
|
|
|
|
__u16 cport2_id;
|
|
|
|
};
|
|
|
|
/* connection destroy response has no payload */
|
|
|
|
|
2015-06-02 06:40:44 -06:00
|
|
|
/* UART */
|
|
|
|
|
|
|
|
/* Version of the Greybus UART protocol we support */
|
|
|
|
#define GB_UART_VERSION_MAJOR 0x00
|
|
|
|
#define GB_UART_VERSION_MINOR 0x01
|
|
|
|
|
|
|
|
/* Greybus UART operation types */
|
|
|
|
#define GB_UART_TYPE_INVALID 0x00
|
|
|
|
#define GB_UART_TYPE_PROTOCOL_VERSION 0x01
|
|
|
|
#define GB_UART_TYPE_SEND_DATA 0x02
|
|
|
|
#define GB_UART_TYPE_RECEIVE_DATA 0x03 /* Unsolicited data */
|
|
|
|
#define GB_UART_TYPE_SET_LINE_CODING 0x04
|
|
|
|
#define GB_UART_TYPE_SET_CONTROL_LINE_STATE 0x05
|
2015-07-13 19:10:18 -06:00
|
|
|
#define GB_UART_TYPE_SEND_BREAK 0x06
|
2015-06-02 06:40:44 -06:00
|
|
|
#define GB_UART_TYPE_SERIAL_STATE 0x07 /* Unsolicited data */
|
|
|
|
|
2015-06-02 06:40:45 -06:00
|
|
|
/* Represents data from AP -> Module */
|
2015-06-02 06:40:44 -06:00
|
|
|
struct gb_uart_send_data_request {
|
|
|
|
__le16 size;
|
|
|
|
__u8 data[0];
|
|
|
|
};
|
|
|
|
|
2015-06-29 11:09:13 -06:00
|
|
|
/* recv-data-request flags */
|
|
|
|
#define GB_UART_RECV_FLAG_FRAMING 0x01 /* Framing error */
|
|
|
|
#define GB_UART_RECV_FLAG_PARITY 0x02 /* Parity error */
|
|
|
|
#define GB_UART_RECV_FLAG_OVERRUN 0x04 /* Overrun error */
|
|
|
|
#define GB_UART_RECV_FLAG_BREAK 0x08 /* Break */
|
|
|
|
|
2015-06-02 06:40:45 -06:00
|
|
|
/* Represents data from Module -> AP */
|
|
|
|
struct gb_uart_recv_data_request {
|
|
|
|
__le16 size;
|
2015-06-29 11:09:13 -06:00
|
|
|
__u8 flags;
|
2015-06-02 06:40:45 -06:00
|
|
|
__u8 data[0];
|
|
|
|
};
|
|
|
|
|
|
|
|
struct gb_uart_set_line_coding_request {
|
2015-06-02 06:40:44 -06:00
|
|
|
__le32 rate;
|
|
|
|
__u8 format;
|
2015-06-02 06:40:45 -06:00
|
|
|
#define GB_SERIAL_1_STOP_BITS 0
|
|
|
|
#define GB_SERIAL_1_5_STOP_BITS 1
|
|
|
|
#define GB_SERIAL_2_STOP_BITS 2
|
2015-06-02 06:40:44 -06:00
|
|
|
|
|
|
|
__u8 parity;
|
2015-06-02 06:40:45 -06:00
|
|
|
#define GB_SERIAL_NO_PARITY 0
|
|
|
|
#define GB_SERIAL_ODD_PARITY 1
|
|
|
|
#define GB_SERIAL_EVEN_PARITY 2
|
|
|
|
#define GB_SERIAL_MARK_PARITY 3
|
|
|
|
#define GB_SERIAL_SPACE_PARITY 4
|
2015-06-02 06:40:44 -06:00
|
|
|
|
2015-06-02 06:40:45 -06:00
|
|
|
__u8 data_bits;
|
2015-06-02 06:40:44 -06:00
|
|
|
};
|
|
|
|
|
|
|
|
/* output control lines */
|
2015-06-02 06:40:45 -06:00
|
|
|
#define GB_UART_CTRL_DTR 0x01
|
|
|
|
#define GB_UART_CTRL_RTS 0x02
|
2015-06-02 06:40:44 -06:00
|
|
|
|
|
|
|
struct gb_uart_set_control_line_state_request {
|
2015-06-29 11:09:15 -06:00
|
|
|
__u8 control;
|
2015-06-02 06:40:44 -06:00
|
|
|
};
|
|
|
|
|
|
|
|
struct gb_uart_set_break_request {
|
|
|
|
__u8 state;
|
|
|
|
};
|
|
|
|
|
|
|
|
/* input control lines and line errors */
|
2015-06-02 06:40:45 -06:00
|
|
|
#define GB_UART_CTRL_DCD 0x01
|
|
|
|
#define GB_UART_CTRL_DSR 0x02
|
2015-06-29 11:09:13 -06:00
|
|
|
#define GB_UART_CTRL_RI 0x04
|
2015-06-02 06:40:44 -06:00
|
|
|
|
|
|
|
struct gb_uart_serial_state_request {
|
2015-06-29 11:09:15 -06:00
|
|
|
__u8 control;
|
2015-06-02 06:40:44 -06:00
|
|
|
};
|
|
|
|
|
2015-07-13 13:20:45 -06:00
|
|
|
/* Loopback */
|
|
|
|
|
|
|
|
/* Version of the Greybus loopback protocol we support */
|
2015-07-13 17:53:12 -06:00
|
|
|
#define GB_LOOPBACK_VERSION_MAJOR 0x00
|
|
|
|
#define GB_LOOPBACK_VERSION_MINOR 0x01
|
2015-07-13 13:20:45 -06:00
|
|
|
|
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/* Greybus loopback request types */
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2015-07-13 17:53:12 -06:00
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#define GB_LOOPBACK_TYPE_INVALID 0x00
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#define GB_LOOPBACK_TYPE_PROTOCOL_VERSION 0x01
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#define GB_LOOPBACK_TYPE_PING 0x02
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#define GB_LOOPBACK_TYPE_TRANSFER 0x03
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2015-07-13 13:20:49 -06:00
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#define GB_LOOPBACK_TYPE_SINK 0x04
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2015-07-13 13:20:45 -06:00
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struct gb_loopback_transfer_request {
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__le32 len;
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__u8 data[0];
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};
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struct gb_loopback_transfer_response {
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__u8 data[0];
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};
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2015-06-22 07:03:52 -06:00
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/* SDIO */
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/* Version of the Greybus sdio protocol we support */
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#define GB_SDIO_VERSION_MAJOR 0x00
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#define GB_SDIO_VERSION_MINOR 0x01
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/* Greybus SDIO operation types */
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#define GB_SDIO_TYPE_INVALID 0x00
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#define GB_SDIO_TYPE_PROTOCOL_VERSION 0x01
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#define GB_SDIO_TYPE_GET_CAPABILITIES 0x02
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#define GB_SDIO_TYPE_SET_IOS 0x03
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#define GB_SDIO_TYPE_COMMAND 0x04
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#define GB_SDIO_TYPE_TRANSFER 0x05
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#define GB_SDIO_TYPE_EVENT 0x06
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/* get caps response: request has no payload */
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struct gb_sdio_get_caps_response {
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__le32 caps;
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#define GB_SDIO_CAP_NONREMOVABLE 0x00000001
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#define GB_SDIO_CAP_4_BIT_DATA 0x00000002
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#define GB_SDIO_CAP_8_BIT_DATA 0x00000004
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#define GB_SDIO_CAP_MMC_HS 0x00000008
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#define GB_SDIO_CAP_SD_HS 0x00000010
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#define GB_SDIO_CAP_ERASE 0x00000020
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#define GB_SDIO_CAP_1_2V_DDR 0x00000040
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#define GB_SDIO_CAP_1_8V_DDR 0x00000080
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#define GB_SDIO_CAP_POWER_OFF_CARD 0x00000100
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#define GB_SDIO_CAP_UHS_SDR12 0x00000200
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#define GB_SDIO_CAP_UHS_SDR25 0x00000400
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#define GB_SDIO_CAP_UHS_SDR50 0x00000800
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#define GB_SDIO_CAP_UHS_SDR104 0x00001000
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#define GB_SDIO_CAP_UHS_DDR50 0x00002000
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#define GB_SDIO_CAP_DRIVER_TYPE_A 0x00004000
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#define GB_SDIO_CAP_DRIVER_TYPE_C 0x00008000
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#define GB_SDIO_CAP_DRIVER_TYPE_D 0x00010000
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#define GB_SDIO_CAP_HS200_1_2V 0x00020000
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#define GB_SDIO_CAP_HS200_1_8V 0x00040000
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#define GB_SDIO_CAP_HS400_1_2V 0x00080000
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#define GB_SDIO_CAP_HS400_1_8V 0x00100000
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/* see possible values below at vdd */
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__le32 ocr;
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__le16 max_blk_count;
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__le16 max_blk_size;
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};
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/* set ios request: response has no payload */
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struct gb_sdio_set_ios_request {
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__le32 clock;
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__le32 vdd;
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#define GB_SDIO_VDD_165_195 0x00000001
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#define GB_SDIO_VDD_20_21 0x00000002
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#define GB_SDIO_VDD_21_22 0x00000004
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#define GB_SDIO_VDD_22_23 0x00000008
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#define GB_SDIO_VDD_23_24 0x00000010
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#define GB_SDIO_VDD_24_25 0x00000020
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#define GB_SDIO_VDD_25_26 0x00000040
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#define GB_SDIO_VDD_26_27 0x00000080
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#define GB_SDIO_VDD_27_28 0x00000100
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#define GB_SDIO_VDD_28_29 0x00000200
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#define GB_SDIO_VDD_29_30 0x00000400
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#define GB_SDIO_VDD_30_31 0x00000800
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#define GB_SDIO_VDD_31_32 0x00001000
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#define GB_SDIO_VDD_32_33 0x00002000
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#define GB_SDIO_VDD_33_34 0x00004000
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#define GB_SDIO_VDD_34_35 0x00008000
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#define GB_SDIO_VDD_35_36 0x00010000
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__u8 bus_mode;
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#define GB_SDIO_BUSMODE_OPENDRAIN 0x00
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#define GB_SDIO_BUSMODE_PUSHPULL 0x01
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__u8 power_mode;
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#define GB_SDIO_POWER_OFF 0x00
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#define GB_SDIO_POWER_UP 0x01
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#define GB_SDIO_POWER_ON 0x02
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#define GB_SDIO_POWER_UNDEFINED 0x03
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__u8 bus_width;
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#define GB_SDIO_BUS_WIDTH_1 0x00
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#define GB_SDIO_BUS_WIDTH_4 0x02
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#define GB_SDIO_BUS_WIDTH_8 0x03
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__u8 timing;
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#define GB_SDIO_TIMING_LEGACY 0x00
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#define GB_SDIO_TIMING_MMC_HS 0x01
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#define GB_SDIO_TIMING_SD_HS 0x02
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#define GB_SDIO_TIMING_UHS_SDR12 0x03
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#define GB_SDIO_TIMING_UHS_SDR25 0x04
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#define GB_SDIO_TIMING_UHS_SDR50 0x05
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#define GB_SDIO_TIMING_UHS_SDR104 0x06
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#define GB_SDIO_TIMING_UHS_DDR50 0x07
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#define GB_SDIO_TIMING_MMC_DDR52 0x08
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#define GB_SDIO_TIMING_MMC_HS200 0x09
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#define GB_SDIO_TIMING_MMC_HS400 0x0A
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__u8 signal_voltage;
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#define GB_SDIO_SIGNAL_VOLTAGE_330 0x00
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#define GB_SDIO_SIGNAL_VOLTAGE_180 0x01
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#define GB_SDIO_SIGNAL_VOLTAGE_120 0x02
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__u8 drv_type;
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#define GB_SDIO_SET_DRIVER_TYPE_B 0x00
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#define GB_SDIO_SET_DRIVER_TYPE_A 0x01
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#define GB_SDIO_SET_DRIVER_TYPE_C 0x02
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#define GB_SDIO_SET_DRIVER_TYPE_D 0x03
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};
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/* command request */
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struct gb_sdio_command_request {
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__u8 cmd;
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__u8 cmd_flags;
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#define GB_SDIO_RSP_NONE 0x00
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2015-07-02 12:11:30 -06:00
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#define GB_SDIO_RSP_PRESENT 0x01
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#define GB_SDIO_RSP_136 0x02
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#define GB_SDIO_RSP_CRC 0x04
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#define GB_SDIO_RSP_BUSY 0x08
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#define GB_SDIO_RSP_OPCODE 0x10
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2015-06-22 07:03:52 -06:00
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__u8 cmd_type;
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#define GB_SDIO_CMD_AC 0x00
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#define GB_SDIO_CMD_ADTC 0x01
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#define GB_SDIO_CMD_BCR 0x02
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#define GB_SDIO_CMD_BC 0x03
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__le32 cmd_arg;
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};
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struct gb_sdio_command_response {
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__le32 resp[4];
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};
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/* transfer request */
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struct gb_sdio_transfer_request {
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__u8 data_flags;
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#define GB_SDIO_DATA_WRITE 0x01
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#define GB_SDIO_DATA_READ 0x02
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#define GB_SDIO_DATA_STREAM 0x04
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__le16 data_blocks;
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__le16 data_blksz;
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__u8 data[0];
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};
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struct gb_sdio_transfer_response {
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__le16 data_blocks;
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__le16 data_blksz;
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__u8 data[0];
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};
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/* event request: generated by module and is defined as unidirectional */
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struct gb_sdio_event_request {
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__u8 event;
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#define GB_SDIO_CARD_INSERTED 0x01
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#define GB_SDIO_CARD_REMOVED 0x02
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#define GB_SDIO_WP 0x04
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};
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2015-05-27 13:45:58 -06:00
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#endif /* __GREYBUS_PROTOCOLS_H */
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2015-06-02 06:40:44 -06:00
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