vive_protocol.h

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// Copyright 2016-2019, Philipp Zabel
// Copyright 2019, Collabora, Ltd.
// SPDX-License-Identifier: BSL-1.0
/*!
 * @file
 * @brief  Vive USB HID reports
 * @author Lubosz Sarnecki <lubosz.sarnecki@collabora.com>
 * @ingroup drv_vive
 */

#pragma once

#include <asm/byteorder.h>
#include <stdint.h>

#define VIVE_CONTROLLER_BUTTON_REPORT_ID 0x01

#define VIVE_CONTROLLER_USB_BUTTON_TRIGGER (1 << 0)
#define VIVE_CONTROLLER_USB_BUTTON_GRIP (1 << 2)
#define VIVE_CONTROLLER_USB_BUTTON_MENU (1 << 12)
#define VIVE_CONTROLLER_USB_BUTTON_SYSTEM (1 << 13)
#define VIVE_CONTROLLER_USB_BUTTON_THUMB (1 << 18)
#define VIVE_CONTROLLER_USB_BUTTON_TOUCH (1 << 20)

struct vive_controller_button_report
{
        uint8_t id;
        uint8_t unknown1;
        uint16_t maybe_type;
        uint32_t sequence;
        uint32_t buttons;
        union {
                uint16_t trigger;
                uint16_t battery_voltage;
        };
        uint8_t battery;
        uint8_t unknown2;
        uint32_t hardware_id;
        uint16_t touch[2];
        uint16_t unknown3;
        uint16_t trigger_hires;
        uint8_t unknown4[24];
        uint16_t trigger_raw;
        uint8_t unknown5[8];
        uint8_t maybe_bitfield;
        uint8_t unknown6;
} __attribute__((packed));

#define VIVE_IMU_RANGE_MODES_REPORT_ID 0x01

struct vive_imu_range_modes_report
{
        uint8_t id;
        uint8_t gyro_range;
        uint8_t accel_range;
        uint8_t unknown[61];
} __attribute__((packed));

#define VIVE_MAINBOARD_STATUS_REPORT_ID 0x03

struct vive_mainboard_status_report
{
        uint8_t id;
        uint16_t unknown;
        uint8_t len;
        uint16_t lens_separation;
        uint16_t reserved1;
        uint8_t button;
        uint8_t reserved2[3];
        uint8_t proximity_change;
        uint8_t reserved3;
        uint16_t proximity;
        uint16_t ipd;
        uint8_t reserved4[46];
} __attribute__((packed));

#define VIVE_HEADSET_POWER_REPORT_ID 0x04

#define VIVE_HEADSET_POWER_REPORT_TYPE 0x2978

struct vive_headset_power_report
{
        uint8_t id;
        uint16_t type;
        uint8_t len;
        uint8_t unknown1[9];
        uint8_t reserved1[32];
        uint8_t unknown2;
        uint8_t reserved2[18];
} __attribute__((packed));

#define VIVE_HEADSET_MAINBOARD_DEVICE_INFO_REPORT_ID 0x04

#define VIVE_HEADSET_MAINBOARD_DEVICE_INFO_REPORT_TYPE 0x2987

struct vive_headset_mainboard_device_info_report
{
        uint8_t id;
        uint16_t type;
        uint8_t len;
        uint16_t edid_vid;
        uint16_t edid_pid;
        uint8_t unknown1[4];
        uint32_t display_firmware_version;
        uint8_t unknown2[48];
} __attribute__((packed));

#define VIVE_FIRMWARE_VERSION_REPORT_ID 0x05

struct vive_firmware_version_report
{
        uint8_t id;
        uint32_t firmware_version;
        uint32_t unknown1;
        uint8_t string1[16];
        uint8_t string2[16];
        uint8_t hardware_version_micro;
        uint8_t hardware_version_minor;
        uint8_t hardware_version_major;
        uint8_t hardware_revision;
        uint32_t unknown2;
        uint8_t fpga_version_minor;
        uint8_t fpga_version_major;
        uint8_t reserved[13];
} __attribute__((packed));

#define VIVE_CONFIG_START_REPORT_ID 0x10

struct vive_config_start_report
{
        uint8_t id;
        uint8_t unused[63];
} __attribute__((packed));

#define VIVE_CONFIG_READ_REPORT_ID 0x11

struct vive_config_read_report
{
        uint8_t id;
        uint8_t len;
        uint8_t payload[62];
} __attribute__((packed));

#define VIVE_IMU_REPORT_ID 0x20

struct vive_imu_sample
{
        uint16_t acc[3];
        uint16_t gyro[3];
        uint32_t time;
        uint8_t seq;
} __attribute__((packed));

struct vive_imu_report
{
        uint8_t id;
        struct vive_imu_sample sample[3];
} __attribute__((packed));

#define VIVE_CONTROLLER_LIGHTHOUSE_PULSE_REPORT_ID 0x21

struct vive_controller_lighthouse_pulse
{
        uint16_t id;
        uint16_t duration;
        uint32_t timestamp;
} __attribute__((packed));

struct vive_controller_lighthouse_pulse_report
{
        uint8_t id;
        struct vive_controller_lighthouse_pulse pulse[7];
        uint8_t reserved;
} __attribute__((packed));

#define VIVE_CONTROLLER_REPORT1_ID 0x23

#define VIVE_CONTROLLER_BATTERY_CHARGING 0x80
#define VIVE_CONTROLLER_BATTERY_CHARGE_MASK 0x7f

#define VIVE_CONTROLLER_BUTTON_TRIGGER 0x01
#define VIVE_CONTROLLER_BUTTON_TOUCH 0x02
#define VIVE_CONTROLLER_BUTTON_THUMB 0x04
#define VIVE_CONTROLLER_BUTTON_SYSTEM 0x08
#define VIVE_CONTROLLER_BUTTON_GRIP 0x10
#define VIVE_CONTROLLER_BUTTON_MENU 0x20

struct vive_controller_message
{
        uint8_t timestamp_hi;
        uint8_t len;
        uint8_t timestamp_lo;
        uint8_t payload[26];
} __attribute__((packed));

struct vive_controller_report1
{
        uint8_t id;
        struct vive_controller_message message;
} __attribute__((packed));

#define VIVE_CONTROLLER_REPORT2_ID 0x24

struct vive_controller_report2
{
        uint8_t id;
        struct vive_controller_message message[2];
} __attribute__((packed));

#define VIVE_HEADSET_LIGHTHOUSE_PULSE_REPORT_ID 0x25

struct vive_headset_lighthouse_pulse
{
        uint8_t id;
        uint16_t duration;
        uint32_t timestamp;
} __attribute__((packed));

struct vive_headset_lighthouse_pulse_report
{
        uint8_t id;
        struct vive_headset_lighthouse_pulse pulse[9];
} __attribute__((packed));

#define VIVE_CONTROLLER_DISCONNECT_REPORT_ID 0x26

#define VIVE_CONTROLLER_COMMAND_REPORT_ID 0xff

#define VIVE_CONTROLLER_HAPTIC_PULSE_COMMAND 0x8f

struct vive_controller_haptic_pulse_report
{
        uint8_t id;
        uint8_t command;
        uint8_t len;
        uint8_t unknown[7];
} __attribute__((packed));

#define VIVE_CONTROLLER_POWEROFF_COMMAND 0x9f

struct vive_controller_poweroff_report
{
        uint8_t id;
        uint8_t command;
        uint8_t len;
        uint8_t magic[4];
} __attribute__((packed));


const struct vive_headset_power_report power_on_report = {
    .id = VIVE_HEADSET_POWER_REPORT_ID,
    .type = __cpu_to_le16(VIVE_HEADSET_POWER_REPORT_TYPE),
    .len = 56,
    .unknown1 =
        {
            0x01,
            0x00,
            0x00,
            0x00,
            0x00,
            0x00,
            0x02,
            0x00,
            0x01,
        },
    .unknown2 = 0x7a,
};

const struct vive_headset_power_report power_off_report = {
    .id = VIVE_HEADSET_POWER_REPORT_ID,
    .type = __cpu_to_le16(VIVE_HEADSET_POWER_REPORT_TYPE),
    .len = 56,
    .unknown1 =
        {
            0x00,
            0x00,
            0x00,
            0x00,
            0x00,
            0x00,
            0x02,
            0x00,
            0x00,
        },
    .unknown2 = 0x7c,
};