/*
 * Copyright (C) 2019 sysmocom -s.f.m.c. GmbH, Author: Eric Wild <ewild@sysmocom.de>
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

#include "usbd_config.h"
#include "usbdc.h"
#include "usb_protocol.h"
#include "usb_protocol_cdc.h"
#include "ccid_proto.h"
#include "cdcdf_acm_desc.h"
#include "usb_descriptors.h"


const struct usb_desc_collection usb_fs_descs = {
	.dev = {
		.bLength = sizeof(struct usb_dev_desc),
		.bDescriptorType = USB_DT_DEVICE,
		.bcdUSB = USB_V2_0,
		.bDeviceClass = 0x02,
		.bDeviceSubClass = 0,
		.bDeviceProtocol = 0,
		.bMaxPacketSize0 = CONF_USB_CDCD_ACM_BMAXPKSZ0,
		.idVendor = CONF_USB_CDCD_ACM_IDVENDER,
		.idProduct = CONF_USB_CDCD_ACM_IDPRODUCT,
		.iManufacturer = STR_DESC_MANUF,
		.iProduct = STR_DESC_PRODUCT,
		.iSerialNumber = STR_DESC_SERIAL,
		.bNumConfigurations = 1,
	},
	.cfg = {
		.bLength = sizeof(struct usb_config_desc),
		.bDescriptorType = USB_DT_CONFIG,
		.wTotalLength = sizeof(usb_fs_descs.cfg) +
				sizeof(usb_fs_descs.cdc) +
				sizeof(usb_fs_descs.ccid),
		.bNumInterfaces = 3,
		.bConfigurationValue = CONF_USB_CDCD_ACM_BCONFIGVAL,
		.iConfiguration = STR_DESC_CONFIG,
		.bmAttributes = CONF_USB_CDCD_ACM_BMATTRI,
		.bMaxPower = CONF_USB_CDCD_ACM_BMAXPOWER,
	},
	.cdc = {
		.comm = {
			.iface = {
				.bLength = sizeof(struct usb_iface_desc),
				.bDescriptorType = USB_DT_INTERFACE,
				.bInterfaceNumber = CONF_USB_CDCD_ACM_COMM_BIFCNUM,
				.bAlternateSetting = CONF_USB_CDCD_ACM_COMM_BALTSET,
				.bNumEndpoints = 1,
				.bInterfaceClass = CDC_CLASS_COMM,
				.bInterfaceSubClass = CDC_SUBCLASS_ACM,
				.bInterfaceProtocol = 0x00,
				.iInterface = STR_DESC_INTF_ACM_COMM,
			},
			.cdc_hdr = {
				.bFunctionLength = sizeof(struct usb_cdc_hdr_desc),
				.bDescriptorType = CDC_CS_INTERFACE,
				.bDescriptorSubtype = CDC_SCS_HEADER,
				.bcdCDC = LE16(0x1001),
			},
			.cdc_call_mgmt = {
				.bFunctionLength = sizeof(struct usb_cdc_call_mgmt_desc),
				.bDescriptorType = CDC_CS_INTERFACE,
				.bDescriptorSubtype = CDC_SCS_CALL_MGMT,
				.bmCapabilities = 0x01,
				.bDataInterface = 0x00,
			},
			.cdc_acm = {
				.bFunctionLength = sizeof(struct usb_cdc_acm_desc),
				.bDescriptorType = CDC_CS_INTERFACE,
				.bDescriptorSubtype = CDC_SCS_ACM,
				.bmCapabilities = 0x02,
			},
			.cdc_union = {
				.bFunctionLength = sizeof(struct usb_cdc_union_desc),
				.bDescriptorType = CDC_CS_INTERFACE,
				.bDescriptorSubtype = CDC_SCS_UNION,
				.bMasterInterface = CONF_USB_CDCD_ACM_COMM_BIFCNUM,
				.bSlaveInterface0 = CONF_USB_CDCD_ACM_DATA_BIFCNUM,
			},
			.ep = {
				{
					.bLength = sizeof(struct usb_ep_desc),
					.bDescriptorType = USB_DT_ENDPOINT,
					.bEndpointAddress = CONF_USB_CDCD_ACM_COMM_INT_EPADDR,
					.bmAttributes = USB_EP_TYPE_INTERRUPT,
					.wMaxPacketSize = CONF_USB_CDCD_ACM_COMM_INT_MAXPKSZ,
					.bInterval = CONF_USB_CDCD_ACM_COMM_INT_INTERVAL,
				},
			},
		},
		.data = {
			.iface = {
				.bLength = sizeof(struct usb_iface_desc),
				.bDescriptorType = USB_DT_INTERFACE,
				.bInterfaceNumber = CONF_USB_CDCD_ACM_DATA_BIFCNUM,
				.bAlternateSetting = CONF_USB_CDCD_ACM_DATA_BALTSET,
				.bNumEndpoints = 2,
				.bInterfaceClass = CDC_CLASS_DATA,
				.bInterfaceSubClass = 0x00,
				.bInterfaceProtocol = 0x00,
				.iInterface = STR_DESC_INTF_ACM_DATA,
			},
			.ep = {
				{
					.bLength = sizeof(struct usb_ep_desc),
					.bDescriptorType = USB_DT_ENDPOINT,
					.bEndpointAddress = CONF_USB_CDCD_ACM_DATA_BULKOUT_EPADDR,
					.bmAttributes = USB_EP_TYPE_BULK,
					.wMaxPacketSize = CONF_USB_CDCD_ACM_DATA_BULKOUT_MAXPKSZ,
					.bInterval = 0,
				},
				{
					.bLength = sizeof(struct usb_ep_desc),
					.bDescriptorType = USB_DT_ENDPOINT,
					.bEndpointAddress = CONF_USB_CDCD_ACM_DATA_BULKIN_EPADDR,
					.bmAttributes = USB_EP_TYPE_BULK,
					.wMaxPacketSize = CONF_USB_CDCD_ACM_DATA_BULKIN_MAXPKSZ,
					.bInterval = 0,
				},
			},
		},
	},
	.ccid = {
		.iface = {
			.bLength = sizeof(struct usb_iface_desc),
			.bDescriptorType = USB_DT_INTERFACE,
			.bInterfaceNumber = 0,
			.bAlternateSetting = 0,
			.bNumEndpoints = 3,
			.bInterfaceClass = 11,
			.bInterfaceSubClass = 0,
			.bInterfaceProtocol = 0,
			.iInterface = STR_DESC_INTF_CCID,
		},
		.class = {
			.bLength = sizeof(struct usb_ccid_class_descriptor),
			.bDescriptorType = 33,
			.bcdCCID = LE16(0x0110),
			.bMaxSlotIndex = 7,
			.bVoltageSupport = 0x07, /* 5/3/1.8V */
			.dwProtocols = 0x01, /* only t0 */
			.dwDefaultClock = LE32(2500),
			.dwMaximumClock = LE32(20000),
			.bNumClockSupported = CCID_NUM_CLK_SUPPORTED,
			.dwDataRate = LE32(6720), /* default clock 2.5M/372 */
			.dwMaxDataRate = LE32(921600),
			.bNumDataRatesSupported = 0,
			.dwMaxIFSD = LE32(0),
			.dwSynchProtocols = LE32(0),
			.dwMechanical = LE32(0),
			/* 0x10000 TPDU level exchanges with CCID
			 * 0x80 Automatic PPS made by the CCID according to the active parameters
			 * 0x20 Automatic baud rate change according to active parameters 
			 * provided by the Host or self determined
			 * 0x10 Automatic ICC clock frequency change according to active parameters
			 *  provided by the Host or self determined */
			.dwFeatures = LE32(0x10 | 0x20 | 0x80 | 0x00010000),
			.dwMaxCCIDMessageLength = 272,
			.bClassGetResponse = 0xff,
			.bClassEnvelope = 0xff,
			.wLcdLayout = LE16(0),
			.bPINSupport = 0,
			.bMaxCCIDBusySlots = 8,
		},
		.ep = {
			{	/* Bulk-OUT descriptor */
				.bLength = sizeof(struct usb_ep_desc),
				.bDescriptorType = USB_DT_ENDPOINT,
				.bEndpointAddress = 0x02,
				.bmAttributes = USB_EP_TYPE_BULK,
				.wMaxPacketSize = 64,
				.bInterval = 0,
			},
			{ 	/* Bulk-IN descriptor */
				.bLength = sizeof(struct usb_ep_desc),
				.bDescriptorType = USB_DT_ENDPOINT,
				.bEndpointAddress = 0x83,
				.bmAttributes = USB_EP_TYPE_BULK,
				.wMaxPacketSize = 64,
				.bInterval = 0,
			},
			{	/* Interrupt dscriptor */
				.bLength = sizeof(struct usb_ep_desc),
				.bDescriptorType = USB_DT_ENDPOINT,
				.bEndpointAddress = 0x84,
				.bmAttributes = USB_EP_TYPE_INTERRUPT,
				.wMaxPacketSize = 64,
				.bInterval = 0x10,
			},
		},
	},
	//DFURT_IF_DESCRIPTOR,
	.str = {
#if 0
		CDCD_ACM_STR_DESCES
#else
		 4,  3, 0x09, 0x04,
		18,  3, 's',0, 'y',0, 's',0, 'm',0, 'o',0, 'c',0, 'o',0, 'm',0,
		24,  3, 's',0, 'y',0, 's',0, 'm',0, 'o',0, 'O',0, 'C',0, 'T',0, 'S',0, 'I',0, 'M',0,
		 4,  3, 'A', 0,
		22,  3, 'd',0, 'e',0, 'b',0, 'u',0, 'g',0, ' ',0, 'U',0, 'A',0, 'R',0, 'T',0,
		22,  3, 'd',0, 'e',0, 'b',0, 'u',0, 'g',0, ' ',0, 'U',0, 'A',0, 'R',0, 'T',0,
		10,  3, 'C',0, 'C',0, 'I',0, 'D',0,
		12,  3, 'F',0, 'I',0, 'X',0, 'M',0, 'E',0,
#endif
	}
};

const struct usbd_descriptors usb_descs[]
    = {{ (uint8_t *)&usb_fs_descs, (uint8_t *)&usb_fs_descs + sizeof(usb_fs_descs) }};