usr/src/sys/hp/dev/hilioctl.h

/*
 * Copyright (c) 1988 University of Utah.
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * the Systems Programming Group of the University of Utah Computer
 * Science Department.
 *
 * %sccs.include.redist.c%
 *
 * from: Utah $Hdr: hilioctl.h 1.10 92/01/21$
 *
 *      @(#)hilioctl.h  7.6 (Berkeley) %G%
 */

struct _hilbell {
        u_char  duration;
        u_char  frequency;
};

struct _hilbuf16 {
        u_char  string[16];
};

struct _hilbuf11 {
        u_char  string[11];
};

struct _hilbuf5 {
        u_char  string[5];
};

struct _hilbuf4 {
        u_char  string[4];
};

struct _hilbuf2 {
        u_char  string[2];
};

struct hilqinfo {
        int     qid;
        char    *addr;
};

/*
 * HPUX ioctls (here for the benefit of the HIL driver).
 * Named as they are under HPUX.
 * The first set are loop device ioctls.
 * The second set are ioctls for the 8042.
 * Note that some are not defined as in HPUX
 * due to the difference in the definitions of IOC_VOID.
 */
#ifdef hp800
#define _IOHpux(x,y)    _IO(x,y)
#else
#define _IOHpux(x,y)    (IOC_IN|((x)<<8)|y)     /* IOC_IN is IOC_VOID */
#endif

/*
 * The HP compiler (at least as of HP-UX 7.X) pads odd sized structures
 * to a short boundary.  To avoid issues of whether our compiler pads
 * and, if so to what boundary, we explicitly state the values for
 * troublesome ioctls:
 *
 *      HILID (HILIOCID)        _IOR('h',0x03, struct _hilbuf11),
 *      EFTRRT (HILIOCRRT)      _IOR('H',0x31, struct _hilbuf5).
 */
#define HILID   0x400C6803                      /* Identify & describe */
#define HILSC   _IOR('h',0x33, struct _hilbuf16) /* Security code */
#define HILRN   _IOR('h',0x30, struct _hilbuf16) /* Report name */
#define HILRS   _IOR('h',0x31, struct _hilbuf16) /* Report status */
#define HILED   _IOR('h',0x32, struct _hilbuf16) /* Extended describe*/
#define HILDKR  _IOHpux('h',0x3D)               /* Disable autorepeat */
#define HILER1  _IOHpux('h',0x3E)               /* Autorepeat 1/30 */
#define HILER2  _IOHpux('h',0x3F)               /* Autorepeat 1/60 */
#define HILP1   _IOHpux('h',0x40)               /* Prompt 1 */
#define HILP2   _IOHpux('h',0x41)               /* Prompt 2 */
#define HILP3   _IOHpux('h',0x42)               /* Prompt 3 */
#define HILP4   _IOHpux('h',0x43)               /* Prompt 4 */
#define HILP5   _IOHpux('h',0x44)               /* Prompt 5 */
#define HILP6   _IOHpux('h',0x45)               /* Prompt 6 */
#define HILP7   _IOHpux('h',0x46)               /* Prompt 7 */
#define HILP    _IOHpux('h',0x47)               /* Prompt */
#define HILA1   _IOHpux('h',0x48)               /* Acknowledge 1 */
#define HILA2   _IOHpux('h',0x49)               /* Acknowledge 2 */
#define HILA3   _IOHpux('h',0x4A)               /* Acknowledge 3 */
#define HILA4   _IOHpux('h',0x4B)               /* Acknowledge 4 */
#define HILA5   _IOHpux('h',0x4C)               /* Acknowledge 5 */
#define HILA6   _IOHpux('h',0x4D)               /* Acknowledge 6 */
#define HILA7   _IOHpux('h',0x4E)               /* Acknowledge 7 */
#define HILA    _IOHpux('h',0x4F)               /* Acknowledge */

#define EFTSRD  _IOW('H',0xa0,char)             /* Set the repeat delay. */
#define EFTSRR  _IOW('H',0xa2,char)             /* Set the repeat rate. */
#define EFTSRPG _IOW('H',0xa6,char)             /* Set RPG interrupt rate. */
#define EFTSBP  _IOW('H',0xc4,struct _hilbuf4)  /* Send data to the beeper. */
#define EFTRLC  _IOR('H',0x12,char)             /* Read the language code. */
#define EFTRCC  _IOR('H',0x11,char)             /* Read configuration code. */
#define EFTRRT  0x40064831                      /* Read the real time. */
#define EFTRT   _IOR('H',0xf4,struct _hilbuf4)  /* Read the timers for the
                                                      four voices. */
#ifdef hp800
#define EFTSBI  _IOW('H',0xa3,char)             /* Do the beep thing. */
#else
#define EFTSBI  _IOW('H',0xa3,struct _hilbuf2)  /* Set the bell information. */
#endif

/*
 * BSD ioctls.
 * Mostly the same as the HPUX versions except for shared-queue ioctls.
 */
#define OHILIOCID       0x400B6803              /* XXX compat */
#define HILIOCID        HILID
#define HILIOCSC        _IOR('h',0x33, struct _hilbuf16)
#define HILIOCRN        _IOR('h',0x30, struct _hilbuf16)
#define HILIOCRS        _IOR('h',0x31, struct _hilbuf16)
#define HILIOCED        _IOR('h',0x32, struct _hilbuf16)
#define HILIOCAROFF     _IO('h',0x3D)
#define HILIOCAR1       _IO('h',0x3E)
#define HILIOCAR2       _IO('h',0x3F)
#define HILIOCSBP       _IOW('H',0xc4,struct _hilbuf4)
#define OHILIOCRRT      0x40054831              /* XXX compat */
#define HILIOCRRT       EFTRRT
#define HILIOCRT        _IOR('H',0xf4,struct _hilbuf4)
#define HILIOCBEEP      _IOW('H',0xA3,struct _hilbell)
#       define  BELLDUR         80      /* tone duration in msec (10 - 2560) */
#       define  BELLFREQ        8       /* tone frequency (0 - 63) */

#define HILIOCALLOCQ    _IOWR('H',0x72, struct hilqinfo)        /* allocate queue */
#define HILIOCFREEQ     _IOW('H',0x73, struct hilqinfo) /* deallocate queue */
#define HILIOCMAPQ      _IOW('H',0x74, int)     /* map device to queue */
#define HILIOCUNMAPQ    _IOW('H',0x75, int)     /* unmap device from dev */
#define HILIOCTEST      _IOW('H',0x76, int)     /* Toggle debugging mode */
#define HILIOCHPUX      _IO('H',0x77)           /* use HPUX (read) semantics */
#define HILIOCRESET     _IO('H',0x78)           /* Reset the HIL loop. */

/*
 * HIL input queue.
 * This is the circular queue (allocated by HILIOCALLOC) shared by kernel
 * and user.  It consists of a sixteen byte header followed by space for
 * 255 input data packets (a total of 4096 bytes).  The kernel adds packets
 * at tail.  The user is expected to remove packets from head.  This is the
 * only field in the header that the user should modify.
 */
typedef struct hil_packet {
        u_char  size;           /* total packet size */
        u_char  dev;            /* loop device packet was generated by */
        long    tstamp;         /* time stamp */
        u_char  data[10];       /* device data */
} hil_packet;

typedef struct hil_eventqueue {
        int     size;
        int     head;
        int     tail;
        int     pad;
} hil_eventqueue;

typedef union hilqueue {
        char    hqu_size[0x1000];
        struct  q_data {
                hil_eventqueue  h_eventqueue;
                hil_packet      h_event[1];
        } q_data;
#define hil_evqueue     q_data.h_eventqueue
#define hil_event       q_data.h_event
} HILQ;

#define HEVQSIZE        \
        ((sizeof(HILQ) - sizeof(struct q_data)) / sizeof(hil_packet) + 1)