/*
    ccid.h: CCID structures
    Copyright (C) 2003   Ludovic Rousseau

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library 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
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
*/

/*
 * $Id$
 */

typedef struct
{
	/*
	 * CCID Sequence number
	 */
	unsigned char *pbSeq;
	unsigned char real_bSeq;

	/*
	 * VendorID << 16 + ProductID
	 */
	int readerID;

	/*
	 * Maximum message length
	 */
	int dwMaxCCIDMessageLength;

	/*
	 * Maximum IFSD
	 */
	int dwMaxIFSD;

	/*
	 * Features supported by the reader (directly from Class Descriptor)
	 */
	int dwFeatures;

	/*
	 * PIN support of the reader (directly from Class Descriptor)
	 */
	char bPINSupport;

	/*
	 * Default Clock
	 */
	int dwDefaultClock;

	/*
	 * Max Data Rate
	 */
	int dwMaxDataRate;

	/*
	 * Number of available slots
	 */
	char bMaxSlotIndex;

	/*
	 * Slot in use
	 */
	char bCurrentSlotIndex;

	/*
	 * The array of data rates supported by the reader
	 */
	unsigned int *arrayOfSupportedDataRates;
	
	/*
	 * Read communication port timeout
	 * value is seconds for serial, milliseconds for USB
	 * this value can evolve dynamically if card request it (time processing).
	 */
	unsigned int readTimeout;

} _ccid_descriptor;

/* Features from dwFeatures */
#define CCID_CLASS_AUTO_CONF_ATR	0x00000002
#define CCID_CLASS_AUTO_VOLTAGE		0x00000008
#define CCID_CLASS_AUTO_BAUD		0x00000020
#define CCID_CLASS_AUTO_PPS_PROP	0x00000040
#define CCID_CLASS_AUTO_PPS_CUR		0x00000080
#define CCID_CLASS_AUTO_IFSD		0x00000400
#define CCID_CLASS_CHARACTER		0x00000000
#define CCID_CLASS_TPDU				0x00010000
#define CCID_CLASS_SHORT_APDU		0x00020000
#define CCID_CLASS_EXTENDED_APDU	0x00040000
#define CCID_CLASS_EXCHANGE_MASK	0x00070000

/* Features from bPINSupport */
#define CCID_CLASS_PIN_VERIFY		0x01
#define CCID_CLASS_PIN_MODIFY		0x02

/* See CCID specs ch. 4.2.1 */
#define CCID_ICC_PRESENT_ACTIVE		0x00	/* 00 0000 00 */
#define CCID_ICC_PRESENT_INACTIVE	0x01	/* 00 0000 01 */
#define CCID_ICC_ABSENT				0x02	/* 00 0000 20 */
#define CCID_ICC_STATUS_MASK		0x03	/* 00 0000 11 */

#define CCID_COMMAND_FAILED			0x40	/* 01 0000 00 */
#define CCID_TIME_EXTENSION			0x80	/* 10 0000 00 */

/* Product identification for special treatments */
#define GEMPC433	0x08E64433
#define GEMPCKEY	0x08E63438
#define GEMPCTWIN	0x08E63437
#define CARDMAN3121	0x076B3021
#define LTC31		0x07830003
#define SCR331DI	0x04E65111
#define CHERRYXX33	0x046A0005
#define OZ776		0x0B977762
#define SPR532		0x04E6E003

/* Escape sequence codes */
#define ESC_GEMPC_SET_ISO_MODE		1
#define ESC_GEMPC_SET_APDU_MODE		2


int ccid_open_hack(unsigned int reader_index);
void ccid_error(int error, char *file, int line, char *function);
_ccid_descriptor *get_ccid_descriptor(unsigned int reader_index);

/* convert a 4 byte integer in USB format into an int */
#define dw2i(a, x) ((((((a[x+3] << 8) + a[x+2]) << 8) + a[x+1]) << 8) + a[x])