/*      $NetBSD: hilreg.h,v 1.2 2011/02/08 20:20:14 rmind Exp $ */

/*
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1990, 1993
*      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.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
*    may be used to endorse or promote products derived from this software
*    without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: Utah $Hdr: hilreg.h 1.10 92/01/21$
*
*      @(#)hilreg.h    8.1 (Berkeley) 6/10/93
*/

#include <hp300/dev/iotypes.h>          /* XXX */

#ifdef hp300
struct  hil_dev {
       char    hil_pad0;
       vu_char hil_data;
       char    hil_pad1;
       vu_char hil_cmd;
};

#define HILADDR                 ((struct hil_dev *)IIOV(0x428000))
#define BBCADDR                 ((struct hil_dev *)IIOV(0x420000))
#endif

#ifdef hp800
#ifdef hp700
struct hil_dev {
       vu_char hil_rsthold;    /* (WO) reset hold (and Serial #3) */
       vu_char hil_resv1[2047];
       vu_char hil_data;       /* send/receive data to/from 8042 */
       vu_char hil_cmd;        /* status/control to/from 8042 */
       vu_char hil_resv2[1022];
       vu_char hil_rstrel;     /* (WO) reset release (and Serial #3) */

};
#else
struct  hil_dev {
       vu_int hil_data;
       vu_int hil_pad;
       vu_int hil_cmd;
};
#endif
#endif
#define hil_stat hil_cmd

#if defined(hp300) || defined(hp700)
#define READHILDATA(x)          ((x)->hil_data)
#define READHILSTAT(x)          ((x)->hil_stat)
#define READHILCMD(x)           ((x)->hil_cmd)
#define WRITEHILDATA(x, y)      ((x)->hil_data = (y))
#define WRITEHILSTAT(x, y)      ((x)->hil_stat = (y))
#define WRITEHILCMD(x, y)       ((x)->hil_cmd  = (y))
#else
#define READHILDATA(x)          ((x)->hil_data >> 24)
#define READHILSTAT(x)          ((x)->hil_stat >> 24)
#define READHILCMD(x)           ((x)->hil_cmd  >> 24)
#define WRITEHILDATA(x, y)      ((x)->hil_data = ((y) << 24))
#define WRITEHILSTAT(x, y)      ((x)->hil_stat = ((y) << 24))
#define WRITEHILCMD(x, y)       ((x)->hil_cmd  = ((y) << 24))
#endif

#define HIL_BUSY                0x02
#define HIL_DATA_RDY            0x01

#define HILWAIT(hil_dev)        while ((READHILSTAT(hil_dev) & HIL_BUSY))
#define HILDATAWAIT(hil_dev)    while (!(READHILSTAT(hil_dev) & HIL_DATA_RDY))

/* HIL status bits */
#define HIL_POLLDATA    0x10            /* HIL poll data follows */
#define HIL_COMMAND     0x08            /* Start of original command */
#define HIL_ERROR       0x080           /* HIL error */
#define HIL_RECONFIG    0x080           /* HIL has reconfigured */
#define HIL_STATMASK    (HIL_DATA | HIL_COMMAND)

#define HIL_SSHIFT      4               /* Bits to shift status over */
#define HIL_SMASK       0xF             /* Service request status mask */
#define HIL_DEVMASK     0x07

/* HIL status types */
#define HIL_STATUS      0x5             /* HIL status in data register */
#define HIL_DATA        0x6             /* HIL data in data register */
#define HIL_CTRLSHIFT   0x8             /* key + CTRL + SHIFT */
#define HIL_CTRL        0x9             /* key + CTRL */
#define HIL_SHIFT       0xA             /* key + SHIFT */
#define HIL_KEY         0xB             /* key only */
#define HIL_68K         0x4             /* Data from the 68k is ready */

/* HIL commands */
#define HIL_SETARD      0xA0            /* set auto-repeat delay */
#define HIL_SETARR      0xA2            /* set auto-repeat rate */
#define HIL_SETTONE     0xA3            /* set tone generator */
#define HIL_CNMT        0xB2            /* clear nmi */
#define HIL_INTON       0x5C            /* Turn on interrupts. */
#define HIL_INTOFF      0x5D            /* Turn off interrupts. */
#define HIL_TRIGGER     0xC5            /* trigger command */
#define HIL_STARTCMD    0xE0            /* start loop command */
#define HIL_TIMEOUT     0xFE            /* timeout */
#define HIL_READTIME    0x13            /* Read real time register */

/* Read/write various registers on the 8042. */
#define HIL_READBUSY            0x02    /* internal "busy" register */
#define HIL_READKBDLANG         0x12    /* read keyboard language code */
#define HIL_READKBDSADR         0xF9
#define HIL_WRITEKBDSADR        0xE9
#define HIL_READLPSTAT          0xFA
#define HIL_WRITELPSTAT         0xEA
#define HIL_READLPCTRL          0xFB
#define HIL_WRITELPCTRL         0xEB

/* BUSY bits */
#define BSY_LOOPBUSY    0x04

/* LPCTRL bits */
#define LPC_AUTOPOLL    0x01    /* enable auto-polling */
#define LPC_NOERROR     0x02    /* don't report errors */
#define LPC_NORECONF    0x04    /* don't report reconfigure */
#define LPC_KBDCOOK     0x10    /* cook all keyboards */
#define LPC_RECONF      0x80    /* reconfigure the loop */

/* LPSTAT bits */
#define LPS_DEVMASK     0x07    /* number of loop devices */
#define LPS_CONFGOOD    0x08    /* reconfiguration worked */
#define LPS_CONFFAIL    0x80    /* reconfiguration failed */

/* HIL packet headers */
#define HIL_MOUSEDATA   0x2
#define HIL_KBDDATA     0x40

#define HIL_MOUSEMOTION 0x02    /* mouse movement event */
#define HIL_KBDBUTTON   0x40    /* keyboard button event */
#define HIL_MOUSEBUTTON 0x40    /* mouse button event */
#define HIL_BUTTONBOX   0x60    /* button box event */
#define HIL_TABLET      0x02    /* tablet motion event */
#define HIL_KNOBBOX     0x03    /* knob box motion data */

/* For setting auto repeat on the keyboard */
#define ar_format(x)    ~((x - 10) / 10)
#define KBD_ARD         400     /* initial delay in msec (10 - 2560) */
#define KBD_ARR         60      /* rate (10 - 2550 msec, 2551 == off) */

#ifdef hp300
/* Magic */
#define KBDNMISTAT      ((volatile char *)IIOV(0x478005))
#define KBDNMI          0x04
#endif

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