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/* constants.h
* Header file for the Linux serial-bus driver.
 * Written by wang song yue --bupt  email:wsy5228@sina.com
 * This software is released under the GPL-License.
 * Version 0.1  28 oct 2005
 */

#ifdef __CONSTANTS_H__
#else
#define __CONSTANTS_H__

/* Device name as it will appear in /proc/devices */
#define DEVICE_NAME "tts"

/* Default driver major number, see /usr/src/linux/Documentation/devices.txt */
#define TTS_MAJOR  92

/* Timeout in jiffies before the system calls return with an error */
#define CANTIMEOUT (4*HZ)

/* Definition of the maximum number of concurrent supported hardware boards,
 * chips per board, total number of chips, interrupts and message objects.
 * Obviously there are no 32 different interrupts, but each chip can have its
 * own interrupt so we have to check for it MAX_IRQ == MAX_TOT_CHIPS times.
 */
#define MAX_HW_CARDS 8
#define MAX_HW_CHIPS 4
#define MAX_TOT_CHIPS (MAX_HW_CHIPS*MAX_HW_CARDS)
#define MAX_IRQ 32
#define MAX_MSGOBJS 15
#define MAX_TOT_MSGOBJS (MAX_TOT_CHIPS*MAX_MSGOBJS)
#define MAX_BUF_LENGTH  64

#define IE (1<<1)
#define SIE (1<<2)
#define EIE (1<<3)

#define SPACING 0x3c0

/* These flags can be used for the msgobj_t structure flags data entry */
#define OPENED (1<<0)

/* These flags can be used for the chip_t structure flags data entry */
#define CONFIGURED (1<<0)
#define SEGMENTED (1<<1)

/* These flags can be used for the candevices_t structure flags data entry */
#define PROGRAMMABLE_IRQ (1<<0)

enum timing_BTR1 {
	MAX_TSEG1 = 15,
	MAX_TSEG2 = 7
};

/* Flags for baud_rate function */
#define BTR1_SAM (1<<1)

#endif