/*
 *	f_uvc.h  --  USB Video Class Gadget driver
 *
 *	Copyright (C) 2009-2010
 *	    Laurent Pinchart (laurent.pinchart@ideasonboard.com)
 *
 *	This program is free software; you can redistribute it and/or modify
 *	it under the terms of the GNU General Public License as published by
 *	the Free Software Foundation; either version 2 of the License, or
 *	(at your option) any later version.
 */

#ifndef _F_UVC_H_
#define _F_UVC_H_

#include <linux/usb/composite.h>
#include <linux/usb/video.h>

#include "uvc.h"

void uvc_function_setup_continue(struct uvc_device *uvc);

void uvc_function_connect(struct uvc_device *uvc);

void uvc_function_disconnect(struct uvc_device *uvc);

int video_ready_callback(struct usb_function *function);
int video_closed_callback(struct usb_function *function);

DECLARE_UVC_HEADER_DESCRIPTOR(1);

static const struct UVC_HEADER_DESCRIPTOR(1) uvc_control_header = {
	.bLength		= UVC_DT_HEADER_SIZE(1),
	.bDescriptorType	= USB_DT_CS_INTERFACE,
	.bDescriptorSubType	= UVC_VC_HEADER,
	.bcdUVC			= cpu_to_le16(0x0150),
	.wTotalLength		= 0, /* dynamic */
	.dwClockFrequency	= cpu_to_le32(48000000),
	.bInCollection		= 0, /* dynamic */
	.baInterfaceNr[0]	= 0, /* dynamic */
};

static const struct uvc_camera_terminal_descriptor uvc_camera_terminal = {
	.bLength		= UVC_DT_CAMERA_TERMINAL_SIZE(3),
	.bDescriptorType	= USB_DT_CS_INTERFACE,
	.bDescriptorSubType	= UVC_VC_INPUT_TERMINAL,
	.bTerminalID		= 1,
	.wTerminalType		= cpu_to_le16(0x0201),
	.bAssocTerminal		= 0,
	.iTerminal		= 0,
	.wObjectiveFocalLengthMin	= cpu_to_le16(0),
	.wObjectiveFocalLengthMax	= cpu_to_le16(0),
	.wOcularFocalLength		= cpu_to_le16(0),
	.bControlSize		= 3,
	.bmControls[0]		= 14,
	.bmControls[1]		= 0,
	.bmControls[2]		= 0,
};

static const struct uvc_processing_unit_descriptor uvc_processing = {
	.bLength		= UVC_DT_PROCESSING_UNIT_SIZE(3),
	.bDescriptorType	= USB_DT_CS_INTERFACE,
	.bDescriptorSubType	= UVC_VC_PROCESSING_UNIT,
	.bUnitID		= 2,
	.bSourceID		= 1,
	.wMaxMultiplier		= cpu_to_le16(16*1024),
	.bControlSize		= 3,
	.bmControls[0]		= 64,
	.bmControls[1]		= 16,
	.bmControls[2]		= 1,
	.iProcessing		= 0,
};

static const struct uvc_output_terminal_descriptor uvc_output_terminal = {
	.bLength		= UVC_DT_OUTPUT_TERMINAL_SIZE,
	.bDescriptorType	= USB_DT_CS_INTERFACE,
	.bDescriptorSubType	= UVC_VC_OUTPUT_TERMINAL,
	.bTerminalID		= 3,
	.wTerminalType		= cpu_to_le16(0x0101),
	.bAssocTerminal		= 0,
	.bSourceID		= 2,
	.iTerminal		= 0,
};

DECLARE_UVC_INPUT_HEADER_DESCRIPTOR(1, 3);

static const struct UVC_INPUT_HEADER_DESCRIPTOR(1, 3) uvc_input_header = {
	.bLength		= UVC_DT_INPUT_HEADER_SIZE(1, 3),
	.bDescriptorType	= USB_DT_CS_INTERFACE,
	.bDescriptorSubType	= UVC_VS_INPUT_HEADER,
	.bNumFormats		= 3,
	.wTotalLength		= 0, /* dynamic */
	.bEndpointAddress	= 0, /* dynamic */
	.bmInfo			= 0,
	.bTerminalLink		= 3,
	.bStillCaptureMethod	= 0,
	.bTriggerSupport	= 0,
	.bTriggerUsage		= 0,
	.bControlSize		= 1,
	.bmaControls[0][0]	= 0,
	.bmaControls[1][0]	= 4,
	.bmaControls[2][0]	= 0,
};

static const struct uvc_format_uncompressed uvc_format_yuv = {
	.bLength		= UVC_DT_FORMAT_UNCOMPRESSED_SIZE,
	.bDescriptorType	= USB_DT_CS_INTERFACE,
	.bDescriptorSubType	= UVC_VS_FORMAT_UNCOMPRESSED,
	.bFormatIndex		= 1,
	.bNumFrameDescriptors	= 2,
	.guidFormat		= {
		 'Y',  'U',  'Y',  '2', 0x00, 0x00, 0x10, 0x00,
		 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71},
	.bBitsPerPixel		= 16,
	.bDefaultFrameIndex	= 1,
	.bAspectRatioX		= 0,
	.bAspectRatioY		= 0,
	.bmInterfaceFlags	= 0,
	.bCopyProtect		= 0,
};

DECLARE_UVC_FRAME_UNCOMPRESSED(1);
DECLARE_UVC_FRAME_UNCOMPRESSED(3);

static const struct UVC_FRAME_UNCOMPRESSED(3) uvc_frame_yuv_360p = {
	.bLength		= UVC_DT_FRAME_UNCOMPRESSED_SIZE(3),
	.bDescriptorType	= USB_DT_CS_INTERFACE,
	.bDescriptorSubType	= UVC_VS_FRAME_UNCOMPRESSED,
	.bFrameIndex		= 1,
	.bmCapabilities		= 0,
	.wWidth			= cpu_to_le16(640),
	.wHeight		= cpu_to_le16(360),
	.dwMinBitRate		= cpu_to_le32(18432000),
	.dwMaxBitRate		= cpu_to_le32(55296000),
	.dwMaxVideoFrameBufferSize	= cpu_to_le32(460800),
	.dwDefaultFrameInterval	= cpu_to_le32(666666),
	.bFrameIntervalType	= 3,
	.dwFrameInterval[0]	= cpu_to_le32(666666),
	.dwFrameInterval[1]	= cpu_to_le32(1000000),
	.dwFrameInterval[2]	= cpu_to_le32(5000000),
};

static const struct UVC_FRAME_UNCOMPRESSED(1) uvc_frame_yuv_720p = {
	.bLength		= UVC_DT_FRAME_UNCOMPRESSED_SIZE(1),
	.bDescriptorType	= USB_DT_CS_INTERFACE,
	.bDescriptorSubType	= UVC_VS_FRAME_UNCOMPRESSED,
	.bFrameIndex		= 2,
	.bmCapabilities		= 0,
	.wWidth			= cpu_to_le16(1280),
	.wHeight		= cpu_to_le16(720),
	.dwMinBitRate		= cpu_to_le32(29491200),
	.dwMaxBitRate		= cpu_to_le32(29491200),
	.dwMaxVideoFrameBufferSize	= cpu_to_le32(1843200),
	.dwDefaultFrameInterval	= cpu_to_le32(5000000),
	.bFrameIntervalType	= 1,
	.dwFrameInterval[0]	= cpu_to_le32(5000000),
};

static const struct uvc_format_mjpeg uvc_format_mjpg = {
	.bLength		= UVC_DT_FORMAT_MJPEG_SIZE,
	.bDescriptorType	= USB_DT_CS_INTERFACE,
	.bDescriptorSubType	= UVC_VS_FORMAT_MJPEG,
	.bFormatIndex		= 2,
	.bNumFrameDescriptors	= 2,
	.bmFlags		= 0,
	.bDefaultFrameIndex	= 1,
	.bAspectRatioX		= 0,
	.bAspectRatioY		= 0,
	.bmInterfaceFlags	= 0,
	.bCopyProtect		= 0,
};

DECLARE_UVC_FRAME_MJPEG(1);
DECLARE_UVC_FRAME_MJPEG(3);

static const struct UVC_FRAME_MJPEG(3) uvc_frame_mjpg_360p = {
	.bLength		= UVC_DT_FRAME_MJPEG_SIZE(3),
	.bDescriptorType	= USB_DT_CS_INTERFACE,
	.bDescriptorSubType	= UVC_VS_FRAME_MJPEG,
	.bFrameIndex		= 1,
	.bmCapabilities		= 0,
	.wWidth			= cpu_to_le16(640),
	.wHeight		= cpu_to_le16(360),
	.dwMinBitRate		= cpu_to_le32(18432000),
	.dwMaxBitRate		= cpu_to_le32(55296000),
	.dwMaxVideoFrameBufferSize	= cpu_to_le32(460800),
	.dwDefaultFrameInterval	= cpu_to_le32(666666),
	.bFrameIntervalType	= 3,
	.dwFrameInterval[0]	= cpu_to_le32(666666),
	.dwFrameInterval[1]	= cpu_to_le32(1000000),
	.dwFrameInterval[2]	= cpu_to_le32(5000000),
};

static const struct UVC_FRAME_MJPEG(1) uvc_frame_mjpg_720p = {
	.bLength		= UVC_DT_FRAME_MJPEG_SIZE(1),
	.bDescriptorType	= USB_DT_CS_INTERFACE,
	.bDescriptorSubType	= UVC_VS_FRAME_MJPEG,
	.bFrameIndex		= 2,
	.bmCapabilities		= 0,
	.wWidth			= cpu_to_le16(1280),
	.wHeight		= cpu_to_le16(720),
	.dwMinBitRate		= cpu_to_le32(29491200),
	.dwMaxBitRate		= cpu_to_le32(29491200),
	.dwMaxVideoFrameBufferSize	= cpu_to_le32(1843200),
	.dwDefaultFrameInterval	= cpu_to_le32(5000000),
	.bFrameIntervalType	= 1,
	.dwFrameInterval[0]	= cpu_to_le32(5000000),
};

static const struct uvc_format_h264 uvc_fmt_h264 = {
	.bLength				= UVC_DT_FORMAT_H264_SIZE,
	.bDescriptorType			= USB_DT_CS_INTERFACE,
	.bDescriptorSubType			= UVC_VS_FORMAT_H264,
	.bFormatIndex				= 3,
	.bNumFrameDescriptors			= 2,
	.bDefaultFrameIndex			= 1,
	.bMaxCodecConfigDelay			= 0x4,
	.bmSupportedSliceModes			= 0,
	.bmSupportedSyncFrameTypes		= 0x76,
	.bResolutionScaling			= 0,
	.Reserved1				= 0,
	.bmSupportedRateControlModes		= 0x3F,
	.wMaxMBperSecOneResNoScalability	= cpu_to_le16(972),
	.wMaxMBperSecTwoResNoScalability	= 0,
	.wMaxMBperSecThreeResNoScalability	= 0,
	.wMaxMBperSecFourResNoScalability	= 0,
	.wMaxMBperSecOneResTemporalScalability	= cpu_to_le16(972),
	.wMaxMBperSecTwoResTemporalScalability	= 0,
	.wMaxMBperSecThreeResTemporalScalability	= 0,
	.wMaxMBperSecFourResTemporalScalability		= 0,
	.wMaxMBperSecOneResTemporalQualityScalability	= cpu_to_le16(972),
	.wMaxMBperSecTwoResTemporalQualityScalability	= 0,
	.wMaxMBperSecThreeResTemporalQualityScalability	= 0,
	.wMaxMBperSecFourResTemporalQualityScalability	= 0,
	.wMaxMBperSecOneResTemporalSpatialScalability	= 0,
	.wMaxMBperSecTwoResTemporalSpatialScalability	= 0,
	.wMaxMBperSecThreeResTemporalSpatialScalability	= 0,
	.wMaxMBperSecFourResTemporalSpatialScalability	= 0,
	.wMaxMBperSecOneResFullScalability		= 0,
	.wMaxMBperSecTwoResFullScalability		= 0,
	.wMaxMBperSecThreeResFullScalability		= 0,
	.wMaxMBperSecFourResFullScalability		= 0,
};

DECLARE_UVC_FRAME_H264(1);

static const struct UVC_FRAME_H264(1) uvc_frame_h264_1920p = {
	.bLength		= UVC_DT_FRAME_H264_SIZE(1),
	.bDescriptorType	= USB_DT_CS_INTERFACE,
	.bDescriptorSubType	= UVC_VS_FRAME_H264,
	.bFrameIndex		= 1,
	.wWidth			= cpu_to_le16(3840),
	.wHeight		= cpu_to_le16(1920),
	.wSARwidth		= 1,
	.wSARheight		= 1,
	.wProfile		= 0x6400,
	.bLevelIDC		= 0x33,
	.bmSupportedUsages	= 0x70003,
	.wConstrainedToolset	= cpu_to_le16(0),
	.bmCapabilities		= 0x47,
	.bmSVCCapabilities	= 0x4,
	.bmMVCCapabilities	= 0,
	.dwMinBitRate		= cpu_to_le32(29491200),
	.dwMaxBitRate		= cpu_to_le32(100000000),
	.dwDefaultFrameInterval	= cpu_to_le32(333667),
	.bNumFrameIntervals	= 1,
	.dwFrameInterval[0]	= cpu_to_le32(333667),
};

static const struct UVC_FRAME_H264(1) uvc_frame_h264_960p = {
	.bLength		= UVC_DT_FRAME_H264_SIZE(1),
	.bDescriptorType	= USB_DT_CS_INTERFACE,
	.bDescriptorSubType	= UVC_VS_FRAME_H264,
	.bFrameIndex		= 2,
	.wWidth			= cpu_to_le16(1920),
	.wHeight		= cpu_to_le16(960),
	.wSARwidth		= 1,
	.wSARheight		= 1,
	.wProfile		= 0x6400,
	.bLevelIDC		= 0x28,
	.bmSupportedUsages	= 0x70003,
	.wConstrainedToolset	= cpu_to_le16(0),
	.bmCapabilities		= 0x47,
	.bmSVCCapabilities	= 0x4,
	.bmMVCCapabilities	= 0,
	.dwMinBitRate		= cpu_to_le32(29491200),
	.dwMaxBitRate		= cpu_to_le32(100000000),
	.dwDefaultFrameInterval	= cpu_to_le32(333667),
	.bNumFrameIntervals	= 1,
	.dwFrameInterval[0]	= cpu_to_le32(333667),
};

static const struct uvc_color_matching_descriptor uvc_color_matching = {
	.bLength		= UVC_DT_COLOR_MATCHING_SIZE,
	.bDescriptorType	= USB_DT_CS_INTERFACE,
	.bDescriptorSubType	= UVC_VS_COLORFORMAT,
	.bColorPrimaries	= 1,
	.bTransferCharacteristics	= 1,
	.bMatrixCoefficients	= 4,
};

static const struct uvc_descriptor_header * const uvc_fs_control_cls[] = {
	(const struct uvc_descriptor_header *) &uvc_control_header,
	(const struct uvc_descriptor_header *) &uvc_camera_terminal,
	(const struct uvc_descriptor_header *) &uvc_processing,
	(const struct uvc_descriptor_header *) &uvc_output_terminal,
	NULL,
};

static const struct uvc_descriptor_header * const uvc_ss_control_cls[] = {
	(const struct uvc_descriptor_header *) &uvc_control_header,
	(const struct uvc_descriptor_header *) &uvc_camera_terminal,
	(const struct uvc_descriptor_header *) &uvc_processing,
	(const struct uvc_descriptor_header *) &uvc_output_terminal,
	NULL,
};

static const struct uvc_descriptor_header * const uvc_fs_streaming_cls[] = {
	(const struct uvc_descriptor_header *) &uvc_input_header,
	(const struct uvc_descriptor_header *) &uvc_format_yuv,
	(const struct uvc_descriptor_header *) &uvc_frame_yuv_360p,
	(const struct uvc_descriptor_header *) &uvc_frame_yuv_720p,
	(const struct uvc_descriptor_header *) &uvc_format_mjpg,
	(const struct uvc_descriptor_header *) &uvc_frame_mjpg_360p,
	(const struct uvc_descriptor_header *) &uvc_frame_mjpg_720p,
	(const struct uvc_descriptor_header *) &uvc_fmt_h264,
	(const struct uvc_descriptor_header *) &uvc_frame_h264_960p,
	(const struct uvc_descriptor_header *) &uvc_frame_h264_1920p,
	(const struct uvc_descriptor_header *) &uvc_color_matching,
	NULL,
};

static const struct uvc_descriptor_header * const uvc_hs_streaming_cls[] = {
	(const struct uvc_descriptor_header *) &uvc_input_header,
	(const struct uvc_descriptor_header *) &uvc_format_yuv,
	(const struct uvc_descriptor_header *) &uvc_frame_yuv_360p,
	(const struct uvc_descriptor_header *) &uvc_frame_yuv_720p,
	(const struct uvc_descriptor_header *) &uvc_format_mjpg,
	(const struct uvc_descriptor_header *) &uvc_frame_mjpg_360p,
	(const struct uvc_descriptor_header *) &uvc_frame_mjpg_720p,
	(const struct uvc_descriptor_header *) &uvc_fmt_h264,
	(const struct uvc_descriptor_header *) &uvc_frame_h264_960p,
	(const struct uvc_descriptor_header *) &uvc_frame_h264_1920p,
	(const struct uvc_descriptor_header *) &uvc_color_matching,
	NULL,
};

static const struct uvc_descriptor_header * const uvc_ss_streaming_cls[] = {
	(const struct uvc_descriptor_header *) &uvc_input_header,
	(const struct uvc_descriptor_header *) &uvc_format_yuv,
	(const struct uvc_descriptor_header *) &uvc_frame_yuv_360p,
	(const struct uvc_descriptor_header *) &uvc_frame_yuv_720p,
	(const struct uvc_descriptor_header *) &uvc_format_mjpg,
	(const struct uvc_descriptor_header *) &uvc_frame_mjpg_360p,
	(const struct uvc_descriptor_header *) &uvc_frame_mjpg_720p,
	(const struct uvc_descriptor_header *) &uvc_fmt_h264,
	(const struct uvc_descriptor_header *) &uvc_frame_h264_960p,
	(const struct uvc_descriptor_header *) &uvc_frame_h264_1920p,
	(const struct uvc_descriptor_header *) &uvc_color_matching,
	NULL,
};

#endif /* _F_UVC_H_ */