// SPDX-License-Identifier: GPL-2.0+ /* * webcam.c -- USB webcam gadget driver * * Copyright (C) 2009-2010 * Laurent Pinchart ([email protected]) */ #include <linux/kernel.h> #include <linux/device.h> #include <linux/module.h> #include <linux/usb/video.h> #include "u_uvc.h" #include "uvc_configfs.h" USB_GADGET_COMPOSITE_OPTIONS(…); /*-------------------------------------------------------------------------*/ /* module parameters specific to the Video streaming endpoint */ static unsigned int streaming_interval = …; module_param(streaming_interval, uint, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(…) …; static unsigned int streaming_maxpacket = …; module_param(streaming_maxpacket, uint, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(…) …; static unsigned int streaming_maxburst; module_param(streaming_maxburst, uint, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(…) …; /* -------------------------------------------------------------------------- * Device descriptor */ #define WEBCAM_VENDOR_ID … #define WEBCAM_PRODUCT_ID … #define WEBCAM_DEVICE_BCD … static char webcam_vendor_label[] = …; static char webcam_product_label[] = …; static char webcam_config_label[] = …; /* string IDs are assigned dynamically */ #define STRING_DESCRIPTION_IDX … static struct usb_string webcam_strings[] = …; static struct usb_gadget_strings webcam_stringtab = …; static struct usb_gadget_strings *webcam_device_strings[] = …; static struct usb_function_instance *fi_uvc; static struct usb_function *f_uvc; static struct usb_device_descriptor webcam_device_descriptor = …; static const struct UVC_HEADER_DESCRIPTOR(1) uvc_control_header = …; static const struct uvc_camera_terminal_descriptor uvc_camera_terminal = …; static const struct uvc_processing_unit_descriptor uvc_processing = …; static const struct uvc_output_terminal_descriptor uvc_output_terminal = …; DECLARE_UVC_INPUT_HEADER_DESCRIPTOR(1, 2); static const struct UVC_INPUT_HEADER_DESCRIPTOR(1, 2) uvc_input_header = …; static const struct uvcg_color_matching uvcg_color_matching = …; static struct uvcg_uncompressed uvcg_format_yuv = …; static struct uvcg_format_ptr uvcg_format_ptr_yuv = …; DECLARE_UVC_FRAME_UNCOMPRESSED(1); DECLARE_UVC_FRAME_UNCOMPRESSED(3); #define UVCG_WIDTH_360P … #define UVCG_HEIGHT_360P … #define UVCG_MIN_BITRATE_360P … #define UVCG_MAX_BITRATE_360P … #define UVCG_MAX_VIDEO_FB_SZ_360P … #define UVCG_FRM_INTERV_0_360P … #define UVCG_FRM_INTERV_1_360P … #define UVCG_FRM_INTERV_2_360P … #define UVCG_DEFAULT_FRM_INTERV_360P … static const struct UVC_FRAME_UNCOMPRESSED(3) uvc_frame_yuv_360p = …; static u32 uvcg_frame_yuv_360p_dw_frame_interval[] = …; static const struct uvcg_frame uvcg_frame_yuv_360p = …; static struct uvcg_frame_ptr uvcg_frame_ptr_yuv_360p = …; #define UVCG_WIDTH_720P … #define UVCG_HEIGHT_720P … #define UVCG_MIN_BITRATE_720P … #define UVCG_MAX_BITRATE_720P … #define UVCG_MAX_VIDEO_FB_SZ_720P … #define UVCG_FRM_INTERV_0_720P … #define UVCG_DEFAULT_FRM_INTERV_720P … static const struct UVC_FRAME_UNCOMPRESSED(1) uvc_frame_yuv_720p = …; static u32 uvcg_frame_yuv_720p_dw_frame_interval[] = …; static const struct uvcg_frame uvcg_frame_yuv_720p = …; static struct uvcg_frame_ptr uvcg_frame_ptr_yuv_720p = …; static struct uvcg_mjpeg uvcg_format_mjpeg = …; static struct uvcg_format_ptr uvcg_format_ptr_mjpeg = …; DECLARE_UVC_FRAME_MJPEG(1); DECLARE_UVC_FRAME_MJPEG(3); static const struct UVC_FRAME_MJPEG(3) uvc_frame_mjpg_360p = …; static u32 uvcg_frame_mjpeg_360p_dw_frame_interval[] = …; static const struct uvcg_frame uvcg_frame_mjpeg_360p = …; static struct uvcg_frame_ptr uvcg_frame_ptr_mjpeg_360p = …; static const struct UVC_FRAME_MJPEG(1) uvc_frame_mjpg_720p = …; static u32 uvcg_frame_mjpeg_720p_dw_frame_interval[] = …; static const struct uvcg_frame uvcg_frame_mjpeg_720p = …; static struct uvcg_frame_ptr uvcg_frame_ptr_mjpeg_720p = …; static struct uvcg_streaming_header uvcg_streaming_header = …; static const struct uvc_descriptor_header * const uvc_fs_control_cls[] = …; static const struct uvc_descriptor_header * const uvc_ss_control_cls[] = …; static const struct uvc_descriptor_header * const uvc_fs_streaming_cls[] = …; static const struct uvc_descriptor_header * const uvc_hs_streaming_cls[] = …; static const struct uvc_descriptor_header * const uvc_ss_streaming_cls[] = …; /* -------------------------------------------------------------------------- * USB configuration */ static int webcam_config_bind(struct usb_configuration *c) { … } static struct usb_configuration webcam_config_driver = …; static int webcam_unbind(struct usb_composite_dev *cdev) { … } static int webcam_bind(struct usb_composite_dev *cdev) { … } /* -------------------------------------------------------------------------- * Driver */ static struct usb_composite_driver webcam_driver = …; module_usb_composite_driver(…); MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
Codebase Browser
linux