/*
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* Copyright (C) 2019 Rockchip Electronics Co., Ltd.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL), available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef _UVC_GADGET_H_
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#define _UVC_GADGET_H_
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#include <linux/ioctl.h>
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#include <linux/types.h>
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#include <linux/usb/ch9.h>
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#define UVC_EVENT_FIRST (V4L2_EVENT_PRIVATE_START + 0)
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#define UVC_EVENT_CONNECT (V4L2_EVENT_PRIVATE_START + 0)
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#define UVC_EVENT_DISCONNECT (V4L2_EVENT_PRIVATE_START + 1)
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#define UVC_EVENT_STREAMON (V4L2_EVENT_PRIVATE_START + 2)
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#define UVC_EVENT_STREAMOFF (V4L2_EVENT_PRIVATE_START + 3)
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#define UVC_EVENT_SETUP (V4L2_EVENT_PRIVATE_START + 4)
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#define UVC_EVENT_DATA (V4L2_EVENT_PRIVATE_START + 5)
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#define UVC_EVENT_SUSPEND (V4L2_EVENT_PRIVATE_START + 6)
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#define UVC_EVENT_RESUME (V4L2_EVENT_PRIVATE_START + 7)
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#define UVC_EVENT_LAST (V4L2_EVENT_PRIVATE_START + 8)
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#define MAX_UVC_REQUEST_DATA_LENGTH 60
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#define UVC_CTRL_INTERFACE_ID 0x00
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#define UVC_CTRL_CAMERA_TERMINAL_ID 0x01
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#define UVC_CTRL_PROCESSING_UNIT_ID 0x02
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#define UVC_CTRL_EXTENSION_UNIT_ID 0x03
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#define UVC_CTRL_OUTPUT_TERMINAL_ID 0x04
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#define UVC_CTRL_XU_UNIT_ID 0x06
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struct uvc_request_data
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{
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__s32 length;
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__u8 data[60];
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};
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struct uvc_event
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{
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union
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{
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enum usb_device_speed speed;
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struct usb_ctrlrequest req;
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struct uvc_request_data data;
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};
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};
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#define UVCIOC_SEND_RESPONSE _IOW('U', 1, struct uvc_request_data)
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#define UVC_INTF_CONTROL 0
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#define UVC_INTF_STREAMING 1
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "uvc_video.h"
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#include "uvc_control.h"
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#include "mpi_enc.h"
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#include <stddef.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <linux/usb/ch9.h>
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#include <linux/usb/video.h>
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#include <linux/videodev2.h>
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#include "uvc_configfs.h"
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#define V4L2_PIX_FMT_H265 v4l2_fourcc('H', '2', '6', '5') /* H265 with start codes */
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#define UVC_PU_FPS_CONTROL 0xff
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#define UVC_PU_ROLL_CONTROL 0xfd
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#define UVC_PU_EXPOSURE_TIME_CONTROL 0xfc
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#define UVC_PU_AE_MODE_CONTROL 0xfb
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/* ---------------------------------------------------------------------------
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* Generic stuff
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*/
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enum XuCmd
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{
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CMD_TOOLS_CTRL_1 = 0x01,
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CMD_GET_CAMERA_VERSION,
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CMD_SET_CAMERA_IP,
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// CMD_START_CAMERA,
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CMD_SHUTDOWN_CAMERA,
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CMD_RESET_CAMERA,
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CMD_SET_MOTOR_RATE = 0x06,
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CMD_SET_MOTOR_BY_STEPS = 0x07,
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CMD_SET_MOTOR_BY_USER = 0x08,
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CMD_STOP_MOTOR_BY_USER = 0x09,
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CMD_SET_EPTZ = 0x0a,
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CMD_SET_H265 = 0x0b,
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CMD_MAX_NUM = CMD_SET_H265,
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};
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/* IO methods supported */
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enum io_method
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{
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IO_METHOD_MMAP,
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IO_METHOD_USERPTR,
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IO_METHOD_DMA_BUFF,
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};
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#define UVC_IO_METHOD_MMAP 0
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#define UVC_IO_METHOD_USERPTR 1
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#define UVC_IO_METHOD_DMA_BUFF 2
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#ifdef RK_MPP_USE_UVC_VIDEO_BUFFER
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#define UVC_IO_METHOD UVC_IO_METHOD_DMA_BUFF // do not modify, modify the RK_MPP_USE_UVC_VIDEO_BUFFER to choice
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#else
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#define UVC_IO_METHOD UVC_IO_METHOD_MMAP //UVC_IO_METHOD_DMA_BUFF // here can set 0 or 2 // 1 still not support
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#endif
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/* Buffer representing one video frame */
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struct buffer
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{
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struct v4l2_buffer buf;
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void *start;
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size_t length;
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};
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struct v4l2_buffer_info
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{
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struct uvc_buffer *uvc_buf;
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int fd;
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int index;
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};
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enum USB_STATE
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{
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USB_STATE_FIRST_GET_READY,
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USB_STATE_FIRST_GET_OK,
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USB_STATE_FIRST_SEND_OK,
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USB_STATE_NORMAL_RUN
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};
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/* Represents a UVC based video output device */
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struct uvc_device
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{
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int video_id;
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/* uvc device specific */
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int uvc_fd;
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int is_streaming;
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int run_standalone;
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char *uvc_devname;
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struct uvc_function_config *fc;
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int suspend;
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int need_bypass;
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/* uvc control request specific */
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struct uvc_streaming_control probe;
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struct uvc_streaming_control commit;
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int control;
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struct uvc_request_data request_error_code;
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unsigned int brightness_val;
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unsigned short contrast_val;
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int hue_val;
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unsigned int saturation_val;
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unsigned int sharpness_val;
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unsigned int gamma_val;
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unsigned int white_balance_temperature_val;
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unsigned int white_balance_temperature_auto_val;
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unsigned int gain_val;
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unsigned int hue_auto_val;
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unsigned int zoom_val;
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int pan_val;
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int tilt_val;
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short roll_val;
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short iris_val;
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int exposure_time_val;
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unsigned char ae_mode_val;
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unsigned char power_line_frequency_val;
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unsigned char ex_tool_ctrl1[4];
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unsigned char ex_sn_data[MAX_UVC_REQUEST_DATA_LENGTH];
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unsigned char ex_ip_data[MAX_UVC_REQUEST_DATA_LENGTH];//
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unsigned char ex_date_data[MAX_UVC_REQUEST_DATA_LENGTH];
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unsigned int eptz_flag;
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unsigned int xu_h265;
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/* uvc buffer specific */
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enum io_method io;
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struct buffer *mem;
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struct buffer *dummy_buf;
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unsigned int nbufs;
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unsigned int fcc;
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unsigned int width;
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unsigned int height;
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unsigned int fps;
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unsigned int bulk;
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uint8_t color;
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unsigned int imgsize;
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void *imgdata;
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/* USB speed specific */
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int mult;
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int burst;
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int maxpkt;
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enum usb_device_speed speed;
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/* uvc specific flags */
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int first_buffer_queued;
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int uvc_shutdown_requested;
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/* uvc buffer queue and dequeue counters */
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unsigned long long int qbuf_count;
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unsigned long long int dqbuf_count;
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/* v4l2 device hook */
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struct v4l2_device *vdev;
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uint8_t cs;
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uint8_t entity_id;
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struct v4l2_buffer ubuf;
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struct v4l2_buffer_info *vbuf_info;
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int abandon_count;
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enum USB_STATE usb_state;
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unsigned int first_usb_get_ready_pts;
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unsigned int first_usb_get_ok_pts;
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unsigned int first_usb_send_ok_pts;
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unsigned int first_cmd_pts;
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unsigned int stream_on_pts;
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int get_buf_count;
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};
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int uvc_gadget_main(struct uvc_function_config *fc);
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int uvc_video_reqbufs(struct uvc_device *dev, int nbufs);
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int uvc_video_stream(struct uvc_device *dev, int enable);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _UVC_GADGET_H_ */
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