/*********************************************************************
 *  file: h/scrn/caravan.h
 *  part #:
 *  internal sequence #:
 *
 *	************************************************************
 *	*      " c Copyright Hewlett-Packard Company, 1984.*  All  *
 *	*     rights are reserved.  Copying or other reproduction  *
 *	*     of this program except for archival purposes is      *
 *	*     prohibited without the prior written consent of      *
 *	*     Hewlett-Packard Company."				   *
 *	************************************************************
 *
 *	This is the include file for the caravan driver.  It contains
 *	defines, structure definitions and external definitions.
 *	It must have sys/types.h (for tty.h) and sys/tty.h included before it.
 *
 *
 *		Pisces Q-DOS project
 *		Karen Helt PCD
 *		----------------------------------------------------
 *		initial		12/20/83
 *
 */

#define CAR_GETSTAT	('k' << 8) | 1
#define CAR_SETSTAT	('k' << 8) | 2
#define CAR_RDCONFIG	('k' << 8) | 3
#define CAR_RDMAP	('k' << 8) | 4
#define CAR_WRMAP	('k' << 8) | 5
#define CAR_ENINT	('k' << 8) | 6
#define CAR_DISINT	('k' << 8) | 7
#define CAR_PROTECT	('k' << 8) | 8
#define CAR_UNPROTECT	('k' << 8) | 9
#define CAR_KEYID	('k' << 8) | 10

#define CAR_REG0	(*(char *)0x660001)
#define CAR_REG1	(*(char *)0x660003)
#define CAR_REG2	(*(char *)0x660005)
#define CAR_REG3	(*(char *)0x660007)
#define CAR_SWITCH	(*(char *)0x660041)

#define INTERFACE_CLR	0x00
#define PASSTHRU	0x01
#define LOOPBACK	0x02
#define ID_AND_DESCRB	0x03
#define SOFT_RESET	0x04
#define SELF_TEST	0x05
#define CMD_TRAILER	0x06
#define DATA_TRAILER	0x07
#define AUTOCONFIG	0x09
#define POLL		0x10
#define REPOLL		0x20
#define REPORT_NAME	0x30
#define REPORT_STAT	0x31
#define DIS_AUTOREP	0x3D
#define EN_AUTOREP_30	0x3E
#define EN_AUTOREP_60	0x3F
#define PROMPT0		0x40
#define PROMPT1		0x41
#define PROMPT2		0x42
#define PROMPT3		0x43
#define PROMPT4		0x44
#define PROMPT5		0x45
#define PROMPT6		0x46
#define PROMPT7		0x47
#define ACKNOWLEDGE0	0x48
#define ACKNOWLEDGE1	0x49
#define ACKNOWLEDGE2	0x4A
#define ACKNOWLEDGE3	0x4B
#define ACKNOWLEDGE4	0x4C
#define ACKNOWLEDGE5	0x4D
#define ACKNOWLEDGE6	0x4E
#define ACKNOWLEDGE7	0x4F
#define MASTER_RESET	0xFB
#define DATA_ERROR	0xFC
#define CONFIG_ERROR	0xFD
#define HARD_RESET	0xFE

#define LOOPBACK_SWITCH	0x00
#define LOOP0		0x01
#define LOOP1		0x02
#define LINK_LOOPS	0x03

#define UNIVERSAL	0x00
#define COMMAND		0x08
#define CAR_BUSY	0x10

#define WAIT_16MS	1200
#define WAIT_500MS	37500

#define INT		0x01
#define NMI		0x02
#define LERR		0x04
#define PERR		0x08
#define FERR		0x10
#define FOF		0x20
#define RPOLL		0x40
#define DERR		0x80

#define APE		0x02
#define IPF		0x04
#define TEST		0x01

#define SHIFT_AD	0x80
#define EXTEND_AD	0x100
#define CONTROL_AD	0x200
#define CTRL_MOD	0x9F

#define DEVNAMESIZE     20
#define MAXDEV      	7
#define NUMKEYS     	128
#define NUMMUTES    	5
#define NUMMUTECHARS 	15

#define CURSOR		0
#define ROLL		1

struct key_state {
	unsigned caps;
	unsigned alt;
	unsigned auto_repeat;
	unsigned fast_cursor;
	unsigned to_buf;
	unsigned to_sm;
};

struct error_state {
	unsigned fifo_overflow;
	unsigned data_lost;
	unsigned too_many_dev;
	unsigned reconfig;
};

struct car_stat {
	int num_devices;
	char intr_enable;
	struct key_state keyboard;
	struct error_state errors;
	unsigned char prompts[MAXDEV + 1];
};

struct keymap {
	unsigned char codes[NUMKEYS * 4];
	unsigned char function[(NUMKEYS * 4) / 8];
	unsigned char caps[(NUMKEYS * 4) / 8];
	unsigned char repeat[(NUMKEYS * 4) / 8];
	unsigned char mutes[NUMMUTECHARS][NUMMUTES + 1];
};

struct device_info {
	int id;
	int num_axes;
	char sixteen_bit;
	char abs_position;
	char two_sets_axes;
	int scale_factor;
	int max_x;
	int max_y;
	int max_z;
	int num_prompts;
	int num_buttons;
	char name[DEVNAMESIZE];
};

struct car_config {
	int num_dev;
	struct device_info device[MAXDEV + 1];
};

struct fifo_data {
	unsigned int data;
	unsigned int addr;
};

struct car_data {
	char shift;
	char control;
	char extend;
	char curs_up;
	char curs_down;
	char curs_right;
	char curs_left;
	char mute;
	char protect;
	int mute_val;
	int repeat;
	int keyid;
	struct clist c_readq;
	struct clist c_intrq;
};

extern struct car_stat car;
extern car_timeout ();
extern car_ioctl ();