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/* @(#)pp_extern.h
*
* pp_extern.h -- Externally used data structures and constants for Parallel
* Port driver
*
* KERNEL VERSION
*
* HISTORY
* 03-Mar-93 Phillip Dibner and John Immordino at NeXT
* Created.
*
*/
#ifndef _PPEXTERN_
#define _PPEXTERN_
#import <sys/types.h>
#import <sys/ioctl.h>
/*
* ioctl's specific to parallel port
*/
#define PPIOCSW _IOR('p',0,int) /* status word */
#define PPIOCINIT _IO('p',1) /* initialize printer */
#define PPIOCSETTIMO _IOW('p',2, int) /* set timeout period (secs) */
/* No _IO('p',3) for now */
/*
* Status word mask defines
*/
#define PP_ST_INITIALIZED 0x0001
#define PP_ST_BUSY 0x0002
#define PP_ST_NOPAPER 0x0004
#define PP_ST_NOTSELECTED 0x0008
#define PP_ST_TIMEOUT 0x0010
#define PP_ST_ERROR 0x0020 /* "Error" bit was set */
/*
* Setting timeout to -1 causes the parallel port to wait indefinitely if
* printer is offline or out of paper.
*/
#define PP_WAIT_FOREVER -1
#ifdef DRIVER_PRIVATE
#define PPIOCGIHDELAY _IOR('p',4,int) /* get int handler delay (usec) */
#define PPIOCSIHDELAY _IOW('p',5,int) /* set int handler delay (usec) */
#define PPIOCGIOTDELAY _IOR('p',6,int) /* get IOTask thread delay (usec) */
#define PPIOCSIOTDELAY _IOW('p',7,int) /* set IOTask thread delay (usec) */
#define PPIOCGMINPHYS _IOR('p',8,int) /* get max chunk size */
#define PPIOCSMINPHYS _IOW('p',9,int) /* set max chunk size */
#define PPIOCGBSIZE _IOR('p',10,int) /* get block size */
#define PPIOCSBSIZE _IOW('p',11,int) /* set block size */
#define PPIOCGRINTERVAL _IOR('p',12,int) /* get busy retry interval */
#define PPIOCSRINTERVAL _IOW('p',13,int) /* set busy retry interval */
#define PPIOCGRETRIES _IOR('p',14,int) /* get max busy retries */
#define PPIOCSRETRIES _IOW('p',15,int) /* set max busy retries */
#define PPIOCGSREG _IOR('p',16,int) /* get status register */
#define PPIOCGCREG _IOR('p',17,int) /* get control register */
#define PPIOCGCREGDEF _IOR('p',18,int) /* get ctl reg defaults */
#endif
#endif
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.