^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * webcam.c -- USB webcam gadget driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2009-2010
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Laurent Pinchart (laurent.pinchart@ideasonboard.com)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/usb/video.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "u_uvc.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) USB_GADGET_COMPOSITE_OPTIONS();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) /*-------------------------------------------------------------------------*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) /* module parameters specific to the Video streaming endpoint */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) static unsigned int streaming_interval = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) module_param(streaming_interval, uint, S_IRUGO|S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) MODULE_PARM_DESC(streaming_interval, "1 - 16");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) static unsigned int streaming_maxpacket = 1024;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) module_param(streaming_maxpacket, uint, S_IRUGO|S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) MODULE_PARM_DESC(streaming_maxpacket, "1 - 1023 (FS), 1 - 3072 (hs/ss)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) static unsigned int streaming_maxburst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) module_param(streaming_maxburst, uint, S_IRUGO|S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) MODULE_PARM_DESC(streaming_maxburst, "0 - 15 (ss only)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) /* --------------------------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) * Device descriptor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define WEBCAM_VENDOR_ID 0x1d6b /* Linux Foundation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define WEBCAM_PRODUCT_ID 0x0102 /* Webcam A/V gadget */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define WEBCAM_DEVICE_BCD 0x0010 /* 0.10 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) static char webcam_vendor_label[] = "Linux Foundation";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) static char webcam_product_label[] = "Webcam gadget";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) static char webcam_config_label[] = "Video";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) /* string IDs are assigned dynamically */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define STRING_DESCRIPTION_IDX USB_GADGET_FIRST_AVAIL_IDX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) static struct usb_string webcam_strings[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) [USB_GADGET_MANUFACTURER_IDX].s = webcam_vendor_label,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) [USB_GADGET_PRODUCT_IDX].s = webcam_product_label,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) [USB_GADGET_SERIAL_IDX].s = "",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) [STRING_DESCRIPTION_IDX].s = webcam_config_label,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) static struct usb_gadget_strings webcam_stringtab = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) .language = 0x0409, /* en-us */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) .strings = webcam_strings,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) static struct usb_gadget_strings *webcam_device_strings[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) &webcam_stringtab,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) static struct usb_function_instance *fi_uvc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) static struct usb_function *f_uvc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) static struct usb_device_descriptor webcam_device_descriptor = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) .bLength = USB_DT_DEVICE_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) .bDescriptorType = USB_DT_DEVICE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) /* .bcdUSB = DYNAMIC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) .bDeviceClass = USB_CLASS_MISC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) .bDeviceSubClass = 0x02,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) .bDeviceProtocol = 0x01,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) .bMaxPacketSize0 = 0, /* dynamic */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) .idVendor = cpu_to_le16(WEBCAM_VENDOR_ID),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) .idProduct = cpu_to_le16(WEBCAM_PRODUCT_ID),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) .bcdDevice = cpu_to_le16(WEBCAM_DEVICE_BCD),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) .iManufacturer = 0, /* dynamic */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) .iProduct = 0, /* dynamic */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) .iSerialNumber = 0, /* dynamic */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) .bNumConfigurations = 0, /* dynamic */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) DECLARE_UVC_HEADER_DESCRIPTOR(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) static const struct UVC_HEADER_DESCRIPTOR(1) uvc_control_header = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) .bLength = UVC_DT_HEADER_SIZE(1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) .bDescriptorType = USB_DT_CS_INTERFACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) .bDescriptorSubType = UVC_VC_HEADER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) .bcdUVC = cpu_to_le16(0x0100),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) .wTotalLength = 0, /* dynamic */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) .dwClockFrequency = cpu_to_le32(48000000),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) .bInCollection = 0, /* dynamic */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) .baInterfaceNr[0] = 0, /* dynamic */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) static const struct uvc_camera_terminal_descriptor uvc_camera_terminal = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) .bLength = UVC_DT_CAMERA_TERMINAL_SIZE(3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) .bDescriptorType = USB_DT_CS_INTERFACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) .bDescriptorSubType = UVC_VC_INPUT_TERMINAL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) .bTerminalID = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) .wTerminalType = cpu_to_le16(0x0201),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) .bAssocTerminal = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) .iTerminal = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) .wObjectiveFocalLengthMin = cpu_to_le16(0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) .wObjectiveFocalLengthMax = cpu_to_le16(0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) .wOcularFocalLength = cpu_to_le16(0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) .bControlSize = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) .bmControls[0] = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) .bmControls[1] = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) .bmControls[2] = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) static const struct uvc_processing_unit_descriptor uvc_processing = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) .bLength = UVC_DT_PROCESSING_UNIT_SIZE(2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) .bDescriptorType = USB_DT_CS_INTERFACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) .bDescriptorSubType = UVC_VC_PROCESSING_UNIT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) .bUnitID = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) .bSourceID = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) .wMaxMultiplier = cpu_to_le16(16*1024),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) .bControlSize = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) .bmControls[0] = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) .bmControls[1] = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) .iProcessing = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) .bmVideoStandards = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) static const struct uvc_output_terminal_descriptor uvc_output_terminal = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) .bLength = UVC_DT_OUTPUT_TERMINAL_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) .bDescriptorType = USB_DT_CS_INTERFACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) .bDescriptorSubType = UVC_VC_OUTPUT_TERMINAL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) .bTerminalID = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) .wTerminalType = cpu_to_le16(0x0101),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) .bAssocTerminal = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) .bSourceID = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) .iTerminal = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) DECLARE_UVC_INPUT_HEADER_DESCRIPTOR(1, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) static const struct UVC_INPUT_HEADER_DESCRIPTOR(1, 2) uvc_input_header = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) .bLength = UVC_DT_INPUT_HEADER_SIZE(1, 2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) .bDescriptorType = USB_DT_CS_INTERFACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) .bDescriptorSubType = UVC_VS_INPUT_HEADER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) .bNumFormats = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) .wTotalLength = 0, /* dynamic */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) .bEndpointAddress = 0, /* dynamic */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) .bmInfo = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) .bTerminalLink = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) .bStillCaptureMethod = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) .bTriggerSupport = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) .bTriggerUsage = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) .bControlSize = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) .bmaControls[0][0] = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) .bmaControls[1][0] = 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) static const struct uvc_format_uncompressed uvc_format_yuv = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) .bLength = UVC_DT_FORMAT_UNCOMPRESSED_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) .bDescriptorType = USB_DT_CS_INTERFACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) .bDescriptorSubType = UVC_VS_FORMAT_UNCOMPRESSED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) .bFormatIndex = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) .bNumFrameDescriptors = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) .guidFormat =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) { 'Y', 'U', 'Y', '2', 0x00, 0x00, 0x10, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) .bBitsPerPixel = 16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) .bDefaultFrameIndex = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) .bAspectRatioX = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) .bAspectRatioY = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) .bmInterfaceFlags = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) .bCopyProtect = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) DECLARE_UVC_FRAME_UNCOMPRESSED(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) DECLARE_UVC_FRAME_UNCOMPRESSED(3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) static const struct UVC_FRAME_UNCOMPRESSED(3) uvc_frame_yuv_360p = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) .bLength = UVC_DT_FRAME_UNCOMPRESSED_SIZE(3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) .bDescriptorType = USB_DT_CS_INTERFACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) .bDescriptorSubType = UVC_VS_FRAME_UNCOMPRESSED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) .bFrameIndex = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) .bmCapabilities = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) .wWidth = cpu_to_le16(640),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) .wHeight = cpu_to_le16(360),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) .dwMinBitRate = cpu_to_le32(18432000),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) .dwMaxBitRate = cpu_to_le32(55296000),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) .dwMaxVideoFrameBufferSize = cpu_to_le32(460800),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) .dwDefaultFrameInterval = cpu_to_le32(666666),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) .bFrameIntervalType = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) .dwFrameInterval[0] = cpu_to_le32(666666),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) .dwFrameInterval[1] = cpu_to_le32(1000000),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) .dwFrameInterval[2] = cpu_to_le32(5000000),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) static const struct UVC_FRAME_UNCOMPRESSED(1) uvc_frame_yuv_720p = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) .bLength = UVC_DT_FRAME_UNCOMPRESSED_SIZE(1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) .bDescriptorType = USB_DT_CS_INTERFACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) .bDescriptorSubType = UVC_VS_FRAME_UNCOMPRESSED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) .bFrameIndex = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) .bmCapabilities = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) .wWidth = cpu_to_le16(1280),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) .wHeight = cpu_to_le16(720),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) .dwMinBitRate = cpu_to_le32(29491200),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) .dwMaxBitRate = cpu_to_le32(29491200),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) .dwMaxVideoFrameBufferSize = cpu_to_le32(1843200),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) .dwDefaultFrameInterval = cpu_to_le32(5000000),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) .bFrameIntervalType = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) .dwFrameInterval[0] = cpu_to_le32(5000000),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) static const struct uvc_format_mjpeg uvc_format_mjpg = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) .bLength = UVC_DT_FORMAT_MJPEG_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) .bDescriptorType = USB_DT_CS_INTERFACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) .bDescriptorSubType = UVC_VS_FORMAT_MJPEG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) .bFormatIndex = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) .bNumFrameDescriptors = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) .bmFlags = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) .bDefaultFrameIndex = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) .bAspectRatioX = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) .bAspectRatioY = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) .bmInterfaceFlags = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) .bCopyProtect = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) DECLARE_UVC_FRAME_MJPEG(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) DECLARE_UVC_FRAME_MJPEG(3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) static const struct UVC_FRAME_MJPEG(3) uvc_frame_mjpg_360p = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) .bLength = UVC_DT_FRAME_MJPEG_SIZE(3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) .bDescriptorType = USB_DT_CS_INTERFACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) .bDescriptorSubType = UVC_VS_FRAME_MJPEG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) .bFrameIndex = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) .bmCapabilities = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) .wWidth = cpu_to_le16(640),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) .wHeight = cpu_to_le16(360),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) .dwMinBitRate = cpu_to_le32(18432000),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) .dwMaxBitRate = cpu_to_le32(55296000),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) .dwMaxVideoFrameBufferSize = cpu_to_le32(460800),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) .dwDefaultFrameInterval = cpu_to_le32(666666),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) .bFrameIntervalType = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) .dwFrameInterval[0] = cpu_to_le32(666666),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) .dwFrameInterval[1] = cpu_to_le32(1000000),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) .dwFrameInterval[2] = cpu_to_le32(5000000),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) static const struct UVC_FRAME_MJPEG(1) uvc_frame_mjpg_720p = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) .bLength = UVC_DT_FRAME_MJPEG_SIZE(1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) .bDescriptorType = USB_DT_CS_INTERFACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) .bDescriptorSubType = UVC_VS_FRAME_MJPEG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) .bFrameIndex = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) .bmCapabilities = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) .wWidth = cpu_to_le16(1280),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) .wHeight = cpu_to_le16(720),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) .dwMinBitRate = cpu_to_le32(29491200),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) .dwMaxBitRate = cpu_to_le32(29491200),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) .dwMaxVideoFrameBufferSize = cpu_to_le32(1843200),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) .dwDefaultFrameInterval = cpu_to_le32(5000000),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) .bFrameIntervalType = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) .dwFrameInterval[0] = cpu_to_le32(5000000),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) static const struct uvc_color_matching_descriptor uvc_color_matching = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) .bLength = UVC_DT_COLOR_MATCHING_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) .bDescriptorType = USB_DT_CS_INTERFACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) .bDescriptorSubType = UVC_VS_COLORFORMAT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) .bColorPrimaries = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) .bTransferCharacteristics = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) .bMatrixCoefficients = 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) static const struct uvc_descriptor_header * const uvc_fs_control_cls[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) (const struct uvc_descriptor_header *) &uvc_control_header,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) (const struct uvc_descriptor_header *) &uvc_camera_terminal,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) (const struct uvc_descriptor_header *) &uvc_processing,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) (const struct uvc_descriptor_header *) &uvc_output_terminal,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) static const struct uvc_descriptor_header * const uvc_ss_control_cls[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) (const struct uvc_descriptor_header *) &uvc_control_header,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) (const struct uvc_descriptor_header *) &uvc_camera_terminal,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) (const struct uvc_descriptor_header *) &uvc_processing,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) (const struct uvc_descriptor_header *) &uvc_output_terminal,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) static const struct uvc_descriptor_header * const uvc_fs_streaming_cls[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) (const struct uvc_descriptor_header *) &uvc_input_header,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) (const struct uvc_descriptor_header *) &uvc_format_yuv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) (const struct uvc_descriptor_header *) &uvc_frame_yuv_360p,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) (const struct uvc_descriptor_header *) &uvc_frame_yuv_720p,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) (const struct uvc_descriptor_header *) &uvc_format_mjpg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) (const struct uvc_descriptor_header *) &uvc_frame_mjpg_360p,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) (const struct uvc_descriptor_header *) &uvc_frame_mjpg_720p,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) (const struct uvc_descriptor_header *) &uvc_color_matching,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) static const struct uvc_descriptor_header * const uvc_hs_streaming_cls[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) (const struct uvc_descriptor_header *) &uvc_input_header,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) (const struct uvc_descriptor_header *) &uvc_format_yuv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) (const struct uvc_descriptor_header *) &uvc_frame_yuv_360p,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) (const struct uvc_descriptor_header *) &uvc_frame_yuv_720p,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) (const struct uvc_descriptor_header *) &uvc_format_mjpg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) (const struct uvc_descriptor_header *) &uvc_frame_mjpg_360p,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) (const struct uvc_descriptor_header *) &uvc_frame_mjpg_720p,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) (const struct uvc_descriptor_header *) &uvc_color_matching,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) static const struct uvc_descriptor_header * const uvc_ss_streaming_cls[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) (const struct uvc_descriptor_header *) &uvc_input_header,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) (const struct uvc_descriptor_header *) &uvc_format_yuv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) (const struct uvc_descriptor_header *) &uvc_frame_yuv_360p,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) (const struct uvc_descriptor_header *) &uvc_frame_yuv_720p,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) (const struct uvc_descriptor_header *) &uvc_format_mjpg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) (const struct uvc_descriptor_header *) &uvc_frame_mjpg_360p,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) (const struct uvc_descriptor_header *) &uvc_frame_mjpg_720p,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) (const struct uvc_descriptor_header *) &uvc_color_matching,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) /* --------------------------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) * USB configuration
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) webcam_config_bind(struct usb_configuration *c)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) int status = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) f_uvc = usb_get_function(fi_uvc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) if (IS_ERR(f_uvc))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) return PTR_ERR(f_uvc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) status = usb_add_function(c, f_uvc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) if (status < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) usb_put_function(f_uvc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) static struct usb_configuration webcam_config_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) .label = webcam_config_label,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) .bConfigurationValue = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) .iConfiguration = 0, /* dynamic */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) .bmAttributes = USB_CONFIG_ATT_SELFPOWER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) .MaxPower = CONFIG_USB_GADGET_VBUS_DRAW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) webcam_unbind(struct usb_composite_dev *cdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) if (!IS_ERR_OR_NULL(f_uvc))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) usb_put_function(f_uvc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) if (!IS_ERR_OR_NULL(fi_uvc))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) usb_put_function_instance(fi_uvc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) webcam_bind(struct usb_composite_dev *cdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) struct f_uvc_opts *uvc_opts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) fi_uvc = usb_get_function_instance("uvc");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) if (IS_ERR(fi_uvc))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) return PTR_ERR(fi_uvc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) uvc_opts = container_of(fi_uvc, struct f_uvc_opts, func_inst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) uvc_opts->streaming_interval = streaming_interval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) uvc_opts->streaming_maxpacket = streaming_maxpacket;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) uvc_opts->streaming_maxburst = streaming_maxburst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) uvc_opts->fs_control = uvc_fs_control_cls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) uvc_opts->ss_control = uvc_ss_control_cls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) uvc_opts->fs_streaming = uvc_fs_streaming_cls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) uvc_opts->hs_streaming = uvc_hs_streaming_cls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) uvc_opts->ss_streaming = uvc_ss_streaming_cls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) uvc_opts->pm_qos_latency = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) /* Allocate string descriptor numbers ... note that string contents
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) * can be overridden by the composite_dev glue.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) ret = usb_string_ids_tab(cdev, webcam_strings);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) webcam_device_descriptor.iManufacturer =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) webcam_strings[USB_GADGET_MANUFACTURER_IDX].id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) webcam_device_descriptor.iProduct =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) webcam_strings[USB_GADGET_PRODUCT_IDX].id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) webcam_config_driver.iConfiguration =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) webcam_strings[STRING_DESCRIPTION_IDX].id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) /* Register our configuration. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) if ((ret = usb_add_config(cdev, &webcam_config_driver,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) webcam_config_bind)) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) usb_composite_overwrite_options(cdev, &coverwrite);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) INFO(cdev, "Webcam Video Gadget\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) error:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) usb_put_function_instance(fi_uvc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) /* --------------------------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) * Driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) static struct usb_composite_driver webcam_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) .name = "g_webcam",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) .dev = &webcam_device_descriptor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) .strings = webcam_device_strings,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) .max_speed = USB_SPEED_SUPER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) .bind = webcam_bind,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) .unbind = webcam_unbind,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) module_usb_composite_driver(webcam_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) MODULE_AUTHOR("Laurent Pinchart");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) MODULE_DESCRIPTION("Webcam Video Gadget");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433)
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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