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NetBSD/sys/arch/pmax/dev/fb.c

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/* $NetBSD: fb.c,v 1.6 1995/02/01 04:44:51 mellon Exp $ */
/*-
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell and Rick Macklem.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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.
*
* @(#)fb.c 8.1 (Berkeley) 6/10/93
*/
/*
* devGraphics.c --
*
* This file contains machine-dependent routines for the graphics device.
*
* Copyright (C) 1989 Digital Equipment Corporation.
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notice appears in all copies.
* Digital Equipment Corporation makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* from: Header: /sprite/src/kernel/dev/ds3100.md/RCS/devGraphics.c,
* v 9.2 90/02/13 22:16:24 shirriff Exp SPRITE (DECWRL)";
*/
/*
* This file has all the routines common to the various frame buffer drivers
* including a generic ioctl routine. The pmax_fb structure is passed into the
* routines and has device specifics stored in it.
* The LK201 keycode mapping routine is also here along with initialization
* functions for the keyboard and mouse.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/ioctl.h>
#include <sys/tty.h>
#include <sys/time.h>
#include <sys/kernel.h>
#include <sys/ioctl.h>
#include <sys/file.h>
#include <sys/vnode.h>
#include <sys/errno.h>
#include <sys/proc.h>
#include <sys/mman.h>
#include <sys/syslog.h>
#include <vm/vm.h>
#include <miscfs/specfs/specdev.h>
#include <machine/machConst.h>
#include <machine/pmioctl.h>
#include <pmax/dev/device.h>
#include <pmax/dev/font.c>
#include <pmax/dev/fbreg.h>
#include <pmax/stand/dec_prom.h>
#include <pmax/pmax/cons.h>
#include <pmax/pmax/pmaxtype.h>
#include <dc.h>
#include <scc.h>
#include <dtop.h>
void fbKbdEvent(), fbMouseEvent(), fbMouseButtons(), fbScroll();
void fbBlitc(), fbPutc();
extern int pmax_boardtype;
extern struct consdev cn_tab;
#if NDC > 0
#include <machine/dc7085cons.h>
extern int dcGetc(), dcparam();
extern void dcPutc();
#endif
#if NDTOP > 0
#include <pmax/dev/dtopreg.h>
extern void dtopKBDPutc();
#endif
#if NSCC > 0
#include <pmax/dev/sccreg.h>
extern int sccGetc(), sccparam();
extern void sccPutc();
#endif
/*
* The default cursor.
*/
u_short defCursor[32] = {
/* plane A */ 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF,
0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF,
/* plane B */ 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF,
0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF
};
/*
* Font mask bits used by fbBlitc().
*/
static unsigned int fontmaskBits[16] = {
0x00000000,
0x00000001,
0x00000100,
0x00000101,
0x00010000,
0x00010001,
0x00010100,
0x00010101,
0x01000000,
0x01000001,
0x01000100,
0x01000101,
0x01010000,
0x01010001,
0x01010100,
0x01010101
};
/*
* Ascii values of command keys.
*/
#define KBD_TAB '\t'
#define KBD_DEL 127
#define KBD_RET '\r'
/*
* Define "hardware-independent" codes for the control, shift, meta and
* function keys. Codes start after the last 7-bit ASCII code (127)
* and are assigned in an arbitrary order.
*/
#define KBD_NOKEY 128
#define KBD_F1 201
#define KBD_F2 202
#define KBD_F3 203
#define KBD_F4 204
#define KBD_F5 205
#define KBD_F6 206
#define KBD_F7 207
#define KBD_F8 208
#define KBD_F9 209
#define KBD_F10 210
#define KBD_F11 211
#define KBD_F12 212
#define KBD_F13 213
#define KBD_F14 214
#define KBD_HELP 215
#define KBD_DO 216
#define KBD_F17 217
#define KBD_F18 218
#define KBD_F19 219
#define KBD_F20 220
#define KBD_FIND 221
#define KBD_INSERT 222
#define KBD_REMOVE 223
#define KBD_SELECT 224
#define KBD_PREVIOUS 225
#define KBD_NEXT 226
#define KBD_KP_ENTER 227
#define KBD_KP_F1 228
#define KBD_KP_F2 229
#define KBD_KP_F3 230
#define KBD_KP_F4 231
#define KBD_LEFT 232
#define KBD_RIGHT 233
#define KBD_DOWN 234
#define KBD_UP 235
#define KBD_CONTROL 236
#define KBD_SHIFT 237
#define KBD_CAPSLOCK 238
#define KBD_ALTERNATE 239
/*
* Keyboard to Ascii, unshifted.
*/
static unsigned char unshiftedAscii[] = {
/* 0 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 4 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 8 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* c */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 10 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 14 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 18 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 1c */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 20 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 24 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 28 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 2c */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 30 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 34 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 38 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 3c */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 40 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 44 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 48 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 4c */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 50 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 54 */ KBD_NOKEY, KBD_NOKEY, KBD_F1, KBD_F2,
/* 58 */ KBD_F3, KBD_F4, KBD_F5, KBD_NOKEY,
/* 5c */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 60 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 64 */ KBD_F6, KBD_F7, KBD_F8, KBD_F9,
/* 68 */ KBD_F10, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 6c */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 70 */ KBD_NOKEY, '\033', KBD_F12, KBD_F13,
/* 74 */ KBD_F14, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 78 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 7c */ KBD_HELP, KBD_DO, KBD_NOKEY, KBD_NOKEY,
/* 80 */ KBD_F17, KBD_F18, KBD_F19, KBD_F20,
/* 84 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 88 */ KBD_NOKEY, KBD_NOKEY, KBD_FIND, KBD_INSERT,
/* 8c */ KBD_REMOVE, KBD_SELECT, KBD_PREVIOUS, KBD_NEXT,
/* 90 */ KBD_NOKEY, KBD_NOKEY, '0', KBD_NOKEY,
/* 94 */ '.', KBD_KP_ENTER, '1', '2',
/* 98 */ '3', '4', '5', '6',
/* 9c */ ',', '7', '8', '9',
/* a0 */ '-', KBD_KP_F1, KBD_KP_F2, KBD_KP_F3,
/* a4 */ KBD_KP_F4, KBD_NOKEY, KBD_NOKEY, KBD_LEFT,
/* a8 */ KBD_RIGHT, KBD_DOWN, KBD_UP, KBD_NOKEY,
/* ac */ KBD_NOKEY, KBD_NOKEY, KBD_SHIFT, KBD_CONTROL,
/* b0 */ KBD_CAPSLOCK, KBD_ALTERNATE, KBD_NOKEY, KBD_NOKEY,
/* b4 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* b8 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* bc */ KBD_DEL, KBD_RET, KBD_TAB, '`',
/* c0 */ '1', 'q', 'a', 'z',
/* c4 */ KBD_NOKEY, '2', 'w', 's',
/* c8 */ 'x', '<', KBD_NOKEY, '3',
/* cc */ 'e', 'd', 'c', KBD_NOKEY,
/* d0 */ '4', 'r', 'f', 'v',
/* d4 */ ' ', KBD_NOKEY, '5', 't',
/* d8 */ 'g', 'b', KBD_NOKEY, '6',
/* dc */ 'y', 'h', 'n', KBD_NOKEY,
/* e0 */ '7', 'u', 'j', 'm',
/* e4 */ KBD_NOKEY, '8', 'i', 'k',
/* e8 */ ',', KBD_NOKEY, '9', 'o',
/* ec */ 'l', '.', KBD_NOKEY, '0',
/* f0 */ 'p', KBD_NOKEY, ';', '/',
/* f4 */ KBD_NOKEY, '=', ']', '\\',
/* f8 */ KBD_NOKEY, '-', '[', '\'',
/* fc */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
};
/*
* Keyboard to Ascii, shifted.
*/
static unsigned char shiftedAscii[] = {
/* 0 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 4 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 8 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* c */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 10 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 14 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 18 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 1c */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 20 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 24 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 28 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 2c */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 30 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 34 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 38 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 3c */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 40 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 44 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 48 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 4c */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 50 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 54 */ KBD_NOKEY, KBD_NOKEY, KBD_F1, KBD_F2,
/* 58 */ KBD_F3, KBD_F4, KBD_F5, KBD_NOKEY,
/* 5c */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 60 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 64 */ KBD_F6, KBD_F7, KBD_F8, KBD_F9,
/* 68 */ KBD_F10, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 6c */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 70 */ KBD_NOKEY, KBD_F11, KBD_F12, KBD_F13,
/* 74 */ KBD_F14, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 78 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 7c */ KBD_HELP, KBD_DO, KBD_NOKEY, KBD_NOKEY,
/* 80 */ KBD_F17, KBD_F18, KBD_F19, KBD_F20,
/* 84 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* 88 */ KBD_NOKEY, KBD_NOKEY, KBD_FIND, KBD_INSERT,
/* 8c */ KBD_REMOVE, KBD_SELECT, KBD_PREVIOUS, KBD_NEXT,
/* 90 */ KBD_NOKEY, KBD_NOKEY, '0', KBD_NOKEY,
/* 94 */ '.', KBD_KP_ENTER, '1', '2',
/* 98 */ '3', '4', '5', '6',
/* 9c */ ',', '7', '8', '9',
/* a0 */ '-', KBD_KP_F1, KBD_KP_F2, KBD_KP_F3,
/* a4 */ KBD_KP_F4, KBD_NOKEY, KBD_NOKEY, KBD_LEFT,
/* a8 */ KBD_RIGHT, KBD_DOWN, KBD_UP, KBD_NOKEY,
/* ac */ KBD_NOKEY, KBD_NOKEY, KBD_SHIFT, KBD_CONTROL,
/* b0 */ KBD_CAPSLOCK, KBD_ALTERNATE, KBD_NOKEY, KBD_NOKEY,
/* b4 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* b8 */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
/* bc */ KBD_DEL, KBD_RET, KBD_TAB, '~',
/* c0 */ '!', 'q', 'a', 'z',
/* c4 */ KBD_NOKEY, '@', 'w', 's',
/* c8 */ 'x', '>', KBD_NOKEY, '#',
/* cc */ 'e', 'd', 'c', KBD_NOKEY,
/* d0 */ '$', 'r', 'f', 'v',
/* d4 */ ' ', KBD_NOKEY, '%', 't',
/* d8 */ 'g', 'b', KBD_NOKEY, '^',
/* dc */ 'y', 'h', 'n', KBD_NOKEY,
/* e0 */ '&', 'u', 'j', 'm',
/* e4 */ KBD_NOKEY, '*', 'i', 'k',
/* e8 */ '<', KBD_NOKEY, '(', 'o',
/* ec */ 'l', '>', KBD_NOKEY, ')',
/* f0 */ 'p', KBD_NOKEY, ':', '?',
/* f4 */ KBD_NOKEY, '+', '}', '|',
/* f8 */ KBD_NOKEY, '_', '{', '"',
/* fc */ KBD_NOKEY, KBD_NOKEY, KBD_NOKEY, KBD_NOKEY,
};
/*
* Keyboard initialization string.
*/
static u_char kbdInitString[] = {
LK_LED_ENABLE, LED_ALL, /* show we are resetting keyboard */
LK_DEFAULTS,
LK_CMD_MODE(LK_AUTODOWN, 1),
LK_CMD_MODE(LK_AUTODOWN, 2),
LK_CMD_MODE(LK_AUTODOWN, 3),
LK_CMD_MODE(LK_DOWN, 4), /* could also be LK_AUTODOWN */
LK_CMD_MODE(LK_UPDOWN, 5),
LK_CMD_MODE(LK_UPDOWN, 6),
LK_CMD_MODE(LK_AUTODOWN, 7),
LK_CMD_MODE(LK_AUTODOWN, 8),
LK_CMD_MODE(LK_AUTODOWN, 9),
LK_CMD_MODE(LK_AUTODOWN, 10),
LK_CMD_MODE(LK_AUTODOWN, 11),
LK_CMD_MODE(LK_AUTODOWN, 12),
LK_CMD_MODE(LK_DOWN, 13),
LK_CMD_MODE(LK_AUTODOWN, 14),
LK_AR_ENABLE, /* we want autorepeat by default */
LK_CL_ENABLE, 0x83, /* keyclick, volume */
LK_KBD_ENABLE, /* the keyboard itself */
LK_BELL_ENABLE, 0x83, /* keyboard bell, volume */
LK_LED_DISABLE, LED_ALL, /* clear keyboard leds */
};
/*
*----------------------------------------------------------------------
*
* fbKbdEvent --
*
* Process a received character.
*
* Results:
* None.
*
* Side effects:
* Events added to the queue.
*
*----------------------------------------------------------------------
*/
void
fbKbdEvent(ch, fp)
int ch;
register struct pmax_fb *fp;
{
register pmEvent *eventPtr;
int i;
if (!fp->GraphicsOpen)
return;
/*
* See if there is room in the queue.
*/
i = PM_EVROUND(fp->fbu->scrInfo.qe.eTail + 1);
if (i == fp->fbu->scrInfo.qe.eHead)
return;
/*
* Add the event to the queue.
*/
eventPtr = &fp->fbu->events[fp->fbu->scrInfo.qe.eTail];
eventPtr->type = BUTTON_RAW_TYPE;
eventPtr->device = KEYBOARD_DEVICE;
eventPtr->x = fp->fbu->scrInfo.mouse.x;
eventPtr->y = fp->fbu->scrInfo.mouse.y;
eventPtr->time = TO_MS(time);
eventPtr->key = ch;
fp->fbu->scrInfo.qe.eTail = i;
selwakeup(&fp->selp);
}
/*
*----------------------------------------------------------------------
*
* fbMouseEvent --
*
* Process a mouse event.
*
* Results:
* None.
*
* Side effects:
* An event is added to the event queue.
*
*----------------------------------------------------------------------
*/
void
fbMouseEvent(newRepPtr, fp)
register MouseReport *newRepPtr;
register struct pmax_fb *fp;
{
unsigned milliSec;
int i;
pmEvent *eventPtr;
if (!fp->GraphicsOpen)
return;
milliSec = TO_MS(time);
/*
* Check to see if we have to accelerate the mouse
*/
if (fp->fbu->scrInfo.mscale >= 0) {
if (newRepPtr->dx >= fp->fbu->scrInfo.mthreshold) {
newRepPtr->dx +=
(newRepPtr->dx - fp->fbu->scrInfo.mthreshold) *
fp->fbu->scrInfo.mscale;
}
if (newRepPtr->dy >= fp->fbu->scrInfo.mthreshold) {
newRepPtr->dy +=
(newRepPtr->dy - fp->fbu->scrInfo.mthreshold) *
fp->fbu->scrInfo.mscale;
}
}
/*
* Update mouse position
*/
if (newRepPtr->state & MOUSE_X_SIGN) {
fp->fbu->scrInfo.mouse.x += newRepPtr->dx;
if (fp->fbu->scrInfo.mouse.x > fp->fbu->scrInfo.max_cur_x)
fp->fbu->scrInfo.mouse.x = fp->fbu->scrInfo.max_cur_x;
} else {
fp->fbu->scrInfo.mouse.x -= newRepPtr->dx;
if (fp->fbu->scrInfo.mouse.x < fp->fbu->scrInfo.min_cur_x)
fp->fbu->scrInfo.mouse.x = fp->fbu->scrInfo.min_cur_x;
}
if (newRepPtr->state & MOUSE_Y_SIGN) {
fp->fbu->scrInfo.mouse.y -= newRepPtr->dy;
if (fp->fbu->scrInfo.mouse.y < fp->fbu->scrInfo.min_cur_y)
fp->fbu->scrInfo.mouse.y = fp->fbu->scrInfo.min_cur_y;
} else {
fp->fbu->scrInfo.mouse.y += newRepPtr->dy;
if (fp->fbu->scrInfo.mouse.y > fp->fbu->scrInfo.max_cur_y)
fp->fbu->scrInfo.mouse.y = fp->fbu->scrInfo.max_cur_y;
}
/*
* Move the hardware cursor.
*/
(*fp->posCursor)(fp->fbu->scrInfo.mouse.x, fp->fbu->scrInfo.mouse.y);
/*
* Store the motion event in the motion buffer.
*/
fp->fbu->tcs[fp->fbu->scrInfo.qe.tcNext].time = milliSec;
fp->fbu->tcs[fp->fbu->scrInfo.qe.tcNext].x = fp->fbu->scrInfo.mouse.x;
fp->fbu->tcs[fp->fbu->scrInfo.qe.tcNext].y = fp->fbu->scrInfo.mouse.y;
if (++fp->fbu->scrInfo.qe.tcNext >= MOTION_BUFFER_SIZE)
fp->fbu->scrInfo.qe.tcNext = 0;
if (fp->fbu->scrInfo.mouse.y < fp->fbu->scrInfo.mbox.bottom &&
fp->fbu->scrInfo.mouse.y >= fp->fbu->scrInfo.mbox.top &&
fp->fbu->scrInfo.mouse.x < fp->fbu->scrInfo.mbox.right &&
fp->fbu->scrInfo.mouse.x >= fp->fbu->scrInfo.mbox.left)
return;
fp->fbu->scrInfo.mbox.bottom = 0;
if (PM_EVROUND(fp->fbu->scrInfo.qe.eTail + 1) == fp->fbu->scrInfo.qe.eHead)
return;
i = PM_EVROUND(fp->fbu->scrInfo.qe.eTail - 1);
if ((fp->fbu->scrInfo.qe.eTail != fp->fbu->scrInfo.qe.eHead) &&
(i != fp->fbu->scrInfo.qe.eHead)) {
pmEvent *eventPtr;
eventPtr = &fp->fbu->events[i];
if (eventPtr->type == MOTION_TYPE) {
eventPtr->x = fp->fbu->scrInfo.mouse.x;
eventPtr->y = fp->fbu->scrInfo.mouse.y;
eventPtr->time = milliSec;
eventPtr->device = MOUSE_DEVICE;
return;
}
}
/*
* Put event into queue and wakeup any waiters.
*/
eventPtr = &fp->fbu->events[fp->fbu->scrInfo.qe.eTail];
eventPtr->type = MOTION_TYPE;
eventPtr->time = milliSec;
eventPtr->x = fp->fbu->scrInfo.mouse.x;
eventPtr->y = fp->fbu->scrInfo.mouse.y;
eventPtr->device = MOUSE_DEVICE;
fp->fbu->scrInfo.qe.eTail = PM_EVROUND(fp->fbu->scrInfo.qe.eTail + 1);
selwakeup(&fp->selp);
}
/*
*----------------------------------------------------------------------
*
* fbMouseButtons --
*
* Process mouse buttons.
*
* Results:
* None.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
void
fbMouseButtons(newRepPtr, fp)
MouseReport *newRepPtr;
register struct pmax_fb *fp;
{
static char temp, oldSwitch, newSwitch;
int i, j;
pmEvent *eventPtr;
static MouseReport lastRep;
if (!fp->GraphicsOpen)
return;
newSwitch = newRepPtr->state & 0x07;
oldSwitch = lastRep.state & 0x07;
temp = oldSwitch ^ newSwitch;
if (temp == 0)
return;
for (j = 1; j < 8; j <<= 1) {
if ((j & temp) == 0)
continue;
/*
* Check for room in the queue
*/
i = PM_EVROUND(fp->fbu->scrInfo.qe.eTail+1);
if (i == fp->fbu->scrInfo.qe.eHead)
return;
/*
* Put event into queue.
*/
eventPtr = &fp->fbu->events[fp->fbu->scrInfo.qe.eTail];
switch (j) {
case RIGHT_BUTTON:
eventPtr->key = EVENT_RIGHT_BUTTON;
break;
case MIDDLE_BUTTON:
eventPtr->key = EVENT_MIDDLE_BUTTON;
break;
case LEFT_BUTTON:
eventPtr->key = EVENT_LEFT_BUTTON;
}
if (newSwitch & j)
eventPtr->type = BUTTON_DOWN_TYPE;
else
eventPtr->type = BUTTON_UP_TYPE;
eventPtr->device = MOUSE_DEVICE;
eventPtr->time = TO_MS(time);
eventPtr->x = fp->fbu->scrInfo.mouse.x;
eventPtr->y = fp->fbu->scrInfo.mouse.y;
fp->fbu->scrInfo.qe.eTail = i;
}
selwakeup(&fp->selp);
lastRep = *newRepPtr;
fp->fbu->scrInfo.mswitches = newSwitch;
}
/*
*----------------------------------------------------------------------
*
* fbScroll --
*
* Scroll the screen.
*
* Results:
* None.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
void
fbScroll(fp)
register struct pmax_fb *fp;
{
register int *dest, *src;
register int *end;
register int temp0, temp1, temp2, temp3;
register int i, scanInc, lineCount;
int line;
/*
* If the mouse is on we don't scroll so that the bit map remains sane.
*/
if (fp->GraphicsOpen) {
fp->row = 0;
return;
}
/*
* The following is an optimization to cause the scrolling
* of text to be memory limited. Basically the writebuffer is
* 4 words (32 bits ea.) long so to achieve maximum speed we
* read and write in multiples of 4 words. We also limit the
* size to be fp->fbu->scrInfo.max_col characters for more speed.
*/
if (fp->isMono) {
lineCount = 5;
line = 1920 * 2;
scanInc = 44;
} else {
lineCount = 40;
if (fp->fbu->scrInfo.max_x > 1024) {
scanInc = 352;
line = 1920 * 16;
} else {
scanInc = 96;
line = 1920 * 8;
}
}
src = (int *)(fp->fr_addr + line);
dest = (int *)(fp->fr_addr);
end = (int *)(fp->fr_addr + (68 * line) - line);
do {
i = 0;
do {
temp0 = src[0];
temp1 = src[1];
temp2 = src[2];
temp3 = src[3];
dest[0] = temp0;
dest[1] = temp1;
dest[2] = temp2;
dest[3] = temp3;
dest += 4;
src += 4;
i++;
} while (i < lineCount);
src += scanInc;
dest += scanInc;
} while (src < end);
/*
* Now zero out the last two lines
*/
bzero(fp->fr_addr + (fp->row * line), 3 * line);
}
/*
*----------------------------------------------------------------------
*
* fbPutc --
*
* Write a character to the console.
*
* Results:
* None.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
void
fbPutc(dev, c)
dev_t dev;
register int c;
{
int s;
if (cn_tab.cn_fb) {
static int recurse;
/*
* We need to prevent recursion in case a printf to the
* console happens at interrupt time but using splhigh()
* all the time locks out interrupts too much. We simply
* discard the character in this case and rely on the
* console log buffer to save the message.
*/
if (recurse)
return;
recurse = 1;
fbBlitc(c, cn_tab.cn_fb);
recurse = 0;
} else {
s = splhigh();
(*callv->_printf)("%c", c);
splx(s);
}
}
/*
*----------------------------------------------------------------------
*
* fbBlitc --
*
* Write a character to the screen.
*
* Results:
* None.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
void
fbBlitc(c, fp)
register int c;
register struct pmax_fb *fp;
{
register char *bRow, *fRow;
register int i;
register int ote;
int colMult = fp->isMono ? 1 : 8;
if (fp->isMono)
ote = 256;
else
ote = ((fp->fbu->scrInfo.max_x + 1023) / 1024) * 1024;
c &= 0xff;
switch (c) {
case '\t':
for (i = 8 - (fp->col & 0x7); i > 0; i--)
fbBlitc(' ', fp);
break;
case '\r':
fp->col = 0;
break;
case '\b':
fp->col--;
if (fp->col < 0)
fp->col = 0;
break;
case '\n':
if (fp->row + 1 >= fp->fbu->scrInfo.max_row)
fbScroll(fp);
else
fp->row++;
fp->col = 0;
break;
case '\007':
(*fp->KBDPutc)(fp->kbddev, LK_RING_BELL);
break;
default:
/*
* 0xA1 to 0xFD are the printable characters added with 8-bit
* support.
*/
if (c < ' ' || c > '~' && c < 0xA1 || c > 0xFD)
break;
/*
* If the next character will wrap around then
* increment fp->row counter or scroll screen.
*/
if (fp->col >= fp->fbu->scrInfo.max_col) {
fp->col = 0;
if (fp->row + 1 >= fp->fbu->scrInfo.max_row)
fbScroll(fp);
else
fp->row++;
}
bRow = (char *)(fp->fr_addr +
(fp->row * 15 & 0x3ff) * ote + fp->col * colMult);
i = c - ' ';
/*
* This is to skip the (32) 8-bit
* control chars, as well as DEL
* and 0xA0 which aren't printable
*/
if (c > '~')
i -= 34;
i *= 15;
fRow = (char *)((int)pmFont + i);
/* inline expansion for speed */
if (fp->isMono) {
*bRow = *fRow++; bRow += ote;
*bRow = *fRow++; bRow += ote;
*bRow = *fRow++; bRow += ote;
*bRow = *fRow++; bRow += ote;
*bRow = *fRow++; bRow += ote;
*bRow = *fRow++; bRow += ote;
*bRow = *fRow++; bRow += ote;
*bRow = *fRow++; bRow += ote;
*bRow = *fRow++; bRow += ote;
*bRow = *fRow++; bRow += ote;
*bRow = *fRow++; bRow += ote;
*bRow = *fRow++; bRow += ote;
*bRow = *fRow++; bRow += ote;
*bRow = *fRow++; bRow += ote;
*bRow = *fRow++; bRow += ote;
} else {
register int j;
register unsigned int *pInt;
pInt = (unsigned int *)bRow;
for (j = 0; j < 15; j++) {
/*
* fontmaskBits converts a nibble
* (4 bytes) to a long word
* containing 4 pixels corresponding
* to each bit in the nibble. Thus
* we write two longwords for each
* byte in font.
*
* Remember the font is 8 bits wide
* and 15 bits high.
*
* We add 256/512 to the pointer to
* point to the pixel on the
* next scan line
* directly below the current
* pixel.
*/
pInt[0] = fontmaskBits[(*fRow) & 0xf];
pInt[1] = fontmaskBits[((*fRow) >> 4) & 0xf];
fRow++;
if (fp->fbu->scrInfo.max_x > 1024)
pInt += 512;
else
pInt += 256;
}
}
fp->col++; /* increment column counter */
}
if (!fp->GraphicsOpen)
(*fp->posCursor)(fp->col * 8, fp->row * 15);
}
/*
* ----------------------------------------------------------------------------
*
* kbdMapChar --
*
* Map characters from the keyboard to ASCII. Return -1 if there is
* no valid mapping.
*
* Results:
* None.
*
* Side effects:
* Remember state of shift and control keys.
*
* ----------------------------------------------------------------------------
*/
kbdMapChar(cc)
int cc;
{
static u_char shiftDown;
static u_char ctrlDown;
static u_char lastChar;
switch (cc) {
case KEY_REPEAT:
cc = lastChar;
goto done;
case KEY_UP:
shiftDown = 0;
ctrlDown = 0;
return (-1);
case KEY_SHIFT:
case KEY_R_SHIFT:
if (ctrlDown || shiftDown)
shiftDown = 0;
else
shiftDown = 1;
return (-1);
case KEY_CONTROL:
if (shiftDown || ctrlDown)
ctrlDown = 0;
else
ctrlDown = 1;
return (-1);
case LK_POWER_ERROR:
case LK_KDOWN_ERROR:
case LK_INPUT_ERROR:
case LK_OUTPUT_ERROR:
log(LOG_WARNING,
"lk201: keyboard error, code=%x\n", cc);
return (-1);
}
if (shiftDown)
cc = shiftedAscii[cc];
else
cc = unshiftedAscii[cc];
if (cc >= KBD_NOKEY) {
/*
* A function key was typed - ignore it.
*/
return (-1);
}
if (cc >= 'a' && cc <= 'z') {
if (ctrlDown)
cc = cc - 'a' + '\1'; /* ^A */
else if (shiftDown)
cc = cc - 'a' + 'A';
} else if (ctrlDown) {
if (cc >= '[' && cc <= '_')
cc = cc - '@';
else if (cc == ' ' || cc == '@')
cc = '\0';
}
lastChar = cc;
done:
return (cc);
}
/*
* Initialize the Keyboard.
*/
void
KBDReset(kbddev, putc)
dev_t kbddev;
void (*putc) __P((dev_t, int));
{
register int i;
static int inKBDReset;
if (inKBDReset)
return;
inKBDReset = 1;
for (i = 0; i < sizeof(kbdInitString); i++)
(*putc)(kbddev, (int)kbdInitString[i]);
inKBDReset = 0;
}
/*
* Initialize the mouse.
*/
void
MouseInit(mdev, putc, getc)
dev_t mdev;
void (*putc) __P((dev_t, int));
int (*getc) __P((dev_t));
{
int id_byte1, id_byte2, id_byte3, id_byte4;
/*
* Initialize the mouse.
*/
(*putc)(mdev, MOUSE_SELF_TEST);
id_byte1 = (*getc)(mdev);
if (id_byte1 < 0) {
printf("MouseInit: Timeout on 1st byte of self-test report\n");
return;
}
id_byte2 = (*getc)(mdev);
if (id_byte2 < 0) {
printf("MouseInit: Timeout on 2nd byte of self-test report\n");
return;
}
id_byte3 = (*getc)(mdev);
if (id_byte3 < 0) {
printf("MouseInit: Timeout on 3rd byte of self-test report\n");
return;
}
id_byte4 = (*getc)(mdev);
if (id_byte4 < 0) {
printf("MouseInit: Timeout on 4th byte of self-test report\n");
return;
}
if ((id_byte2 & 0x0f) != 0x2)
printf("MouseInit: We don't have a mouse!!!\n");
/*
* For some reason, the mouse doesn't see this command if it comes
* too soon after a self test.
*/
DELAY(100);
(*putc)(mdev, MOUSE_INCREMENTAL);
}
/*
* Get a character off of the keyboard.
*/
int
KBDGetc()
{
register int c;
for (;;) {
c = (*cn_tab.cn_kbdgetc)(cn_tab.cn_dev);
if (c == 0)
return (-1);
if ((c = kbdMapChar(c & 0xff)) >= 0)
break;
}
return (c);
}
/*
* Configure the keyboard/mouse based on machine type for turbochannel
* display boards.
*/
tb_kbdmouseconfig(fp)
struct pmax_fb *fp;
{
switch (pmax_boardtype) {
#if NDC > 0
case DS_3MAX:
fp->KBDPutc = dcPutc;
fp->kbddev = makedev(DCDEV, DCKBD_PORT);
break;
#endif
#if NSCC > 0
case DS_3MIN:
case DS_3MAXPLUS:
fp->KBDPutc = sccPutc;
fp->kbddev = makedev(SCCDEV, SCCKBD_PORT);
break;
#endif
#if NDTOP > 0
case DS_MAXINE:
fp->KBDPutc = dtopKBDPutc;
fp->kbddev = makedev(DTOPDEV, DTOPKBD_PORT);
break;
#endif
default:
printf("Can't configure keyboard/mouse\n");
return (1);
};
return (0);
}
/*
* Use vm_mmap() to map the frame buffer and shared data into the user's
* address space.
* Return errno if there was an error.
*/
fbmmap(fp, dev, data, p)
struct pmax_fb *fp;
dev_t dev;
caddr_t data;
struct proc *p;
{
int error;
vm_offset_t addr;
vm_size_t len;
struct vnode vn;
struct specinfo si;
struct fbuaccess *fbp;
len = pmax_round_page(((vm_offset_t)fp->fbu & PGOFSET) +
sizeof(struct fbuaccess)) + pmax_round_page(fp->fr_size);
addr = (vm_offset_t)0x20000000; /* XXX */
vn.v_type = VCHR; /* XXX */
vn.v_specinfo = &si; /* XXX */
vn.v_rdev = dev; /* XXX */
/*
* Map the all the data the user needs access to into
* user space.
*/
error = vm_mmap(&p->p_vmspace->vm_map, &addr, len,
VM_PROT_ALL, VM_PROT_ALL, MAP_SHARED, (caddr_t)&vn,
(vm_offset_t)0);
if (error)
return (error);
fbp = (struct fbuaccess *)(addr + ((vm_offset_t)fp->fbu & PGOFSET));
*(PM_Info **)data = &fbp->scrInfo;
fp->fbu->scrInfo.qe.events = fbp->events;
fp->fbu->scrInfo.qe.tcs = fbp->tcs;
fp->fbu->scrInfo.planemask = (char *)0;
/*
* Map the frame buffer into the user's address space.
*/
fp->fbu->scrInfo.bitmap = (char *)pmax_round_page(fbp + 1);
return (0);
}
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