diff options
Diffstat (limited to 'chips/mouse.c')
| -rw-r--r-- | chips/mouse.c | 321 |
1 files changed, 0 insertions, 321 deletions
diff --git a/chips/mouse.c b/chips/mouse.c deleted file mode 100644 index 85a2744..0000000 --- a/chips/mouse.c +++ /dev/null @@ -1,321 +0,0 @@ -/* - * Mach Operating System - * Copyright (c) 1992-1989 Carnegie Mellon University - * All Rights Reserved. - * - * Permission to use, copy, modify and distribute this software and its - * documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR - * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to - * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 - * - * any improvements or extensions that they make and grant Carnegie Mellon - * the rights to redistribute these changes. - */ -/* - * File: mouse.c - * Author: Alessandro Forin, Carnegie Mellon University - * Date: 9/90 - * - * Driver code for Digital's mouse AND tablet - */ - -/* - * XXX This should be rewritten to support other - * XXX sorts of mices and tablets. But for now - * XXX I have none to play with. Sorry about that. - */ - -#include <lk.h> /* one mouse per lk201 */ -#if NLK > 0 - -#include <mach/std_types.h> -#include <machine/machspl.h> /* spl definitions */ -#include <sys/time.h> -#include <kern/time_out.h> - -#include <chips/serial_defs.h> -#include <chips/screen_defs.h> - -#define MOUSE_INCREMENTAL 0x52 /* R */ -#define MOUSE_PROMPTED 0x44 /* D */ -#define MOUSE_REQ_POSITION 0x50 /* P */ -#define MOUSE_SELFTEST 0x54 /* T */ -#define MOUSE_RESERVED_FUNC 0x5a /* Z, param byte follows */ - -#define TABLET_SAMPLE_55 0x4b /* K */ /* in reps/sec */ -#define TABLET_SAMPLE_72 0x4c /* L */ -#define TABLET_SAMPLE_120 0x4d /* M */ -#define TABLET_9600 0x42 /* B */ - -#define TYPE_MOUSE 0x2 -#define TYPE_TABLET 0x4 - -#define START_REPORT 0x80 - -typedef union { - struct { - unsigned char r : 1, m : 1, l : 1, sy : 1, sx : 1; - unsigned char xpos; - unsigned char ypos; - } ms; - struct { - unsigned char pr : 1, buttons : 4; - unsigned char xlo, xhi; - unsigned char ylo, yhi; - } tb; - unsigned char raw[1]; -} mouse_report_t; - - -/* - * Mouse state - */ -struct mouse_softc { - user_info_t *up; - mouse_report_t report; - unsigned char rep_bytes; - unsigned char rep_ptr; - unsigned char prev_buttons; - unsigned char flags; -#define MS_TABLET 0x1 -#define MS_MOVING 0x2 - char screen_unit; - char sl_unit; -} mouse_softc_data[NLK]; - -typedef struct mouse_softc *mouse_softc_t; - -mouse_softc_t mouse_softc[NLK]; - - -mouse_notify_mapped( - int unit, - int screen_unit, - user_info_t *up) -{ - mouse_softc_t ms = &mouse_softc_data[unit]; - - ms->up = up; - ms->screen_unit = screen_unit; -} - -/* - * Autoconfiguration - */ -mouse_probe( - int unit) -{ - mouse_softc[unit] = &mouse_softc_data[unit]; -} - -mouse_attach( - int unit, - int sl_unit) -{ - int messg[4]; - spl_t s; - mouse_softc_t ms; - - ms = mouse_softc[unit]; - ms->sl_unit = sl_unit; - - s = spltty(); - (*console_putc)(sl_unit, SCREEN_LINE_POINTER, MOUSE_SELFTEST); - delay(1); - messg[0] = (*console_getc)(sl_unit, SCREEN_LINE_POINTER, TRUE, TRUE); - messg[1] = (*console_getc)(sl_unit, SCREEN_LINE_POINTER, TRUE, TRUE); - messg[2] = (*console_getc)(sl_unit, SCREEN_LINE_POINTER, TRUE, TRUE); - messg[3] = (*console_getc)(sl_unit, SCREEN_LINE_POINTER, TRUE, TRUE); - - delay(100000); /* spec says less than 500 msecs */ - (*console_putc)(sl_unit, SCREEN_LINE_POINTER, MOUSE_INCREMENTAL); - splx(s); - - ms->rep_bytes = 3;/* mouse */ - if (messg[2] | messg[3]) { - printf(" bad pointer [%x %x %x %x] ", - messg[0], messg[1], messg[2], messg[3]); - if (messg[2] >= 0x20) printf("fatal "); - if (messg[2] == 0x3e) printf("RAM/ROM"); - if (messg[2] == 0x3d) printf("button(s) %x", messg[3] & 0x1f); - } else { - int rev = messg[0] & 0xf; - int loc = (messg[1] & 0xf0) >> 4; - int tag = (messg[1] & 0xf); - printf("( %s rev. %x.%x )", - (tag == TYPE_MOUSE) ? "mouse" : "tablet", - rev, loc); - if (tag == TYPE_TABLET) { - ms->flags = MS_TABLET; - ms->rep_bytes = 5; - } - } -} - -/* - * Process a character from the mouse - */ -mouse_input( - int unit, - register unsigned short data) -{ - mouse_softc_t ms = mouse_softc[unit]; - register char flg, but; - - data &= 0xff; - - /* sanity: might miss a byte sometimes */ - if (data & START_REPORT) - ms->rep_ptr = 0; - - /* add byte to report */ - ms->report.raw[ms->rep_ptr++] = data; - - /* does this mean the mouse is moving */ - if (data && ((data & START_REPORT) == 0)) - ms->flags |= MS_MOVING; - - /* Report complete ? */ - if (ms->rep_ptr != ms->rep_bytes) - return; - ms->rep_ptr = 0; - - ssaver_bump(ms->screen_unit); - - /* check for mouse moved */ - flg = ms->flags; - if (flg & MS_MOVING) { - ms->flags = flg & ~MS_MOVING; - mouse_motion_event(ms, flg); - } - - /* check for button pressed */ - if (but = ms->prev_buttons ^ ms->report.raw[0]) { - mouse_button_event(ms, flg, but); - ms->prev_buttons = ms->report.raw[0]; - } -} - -/* - * The mouse/puck moved. - * Find how much and post an event - */ -mouse_motion_event( - mouse_softc_t ms, - int flg) -{ - register int x, y; - - if (flg & MS_TABLET) { - - flg = DEV_TABLET; - - x = (ms->report.tb.xhi << 8) | ms->report.tb.xlo; - y = (ms->report.tb.yhi << 8) | ms->report.tb.ylo; - - } else { - - flg = DEV_MOUSE; - - x = ms->report.ms.xpos; - if (!ms->report.ms.sx) /* ??? */ - x = -x; - - y = ms->report.ms.ypos; - if (ms->report.ms.sy) - y = -y; - - } - - screen_motion_event(ms->screen_unit, flg, x, y); -} - -/* - * A mouse/puck button was pressed/released. - * Find which one and post an event - */ -mouse_button_event( - mouse_softc_t ms, - int flg, - int bmask) -{ - register unsigned int buttons, i; - int key, type; - - buttons = ms->report.raw[0]; - if (flg & MS_TABLET) { - /* check each one of the four buttons */ - for (i = 0; i < 4; i += 1) { - if ((bmask & (2<<i)) == 0) - continue;/* did not change */ - type = (buttons & (2<<i)) ? EVT_BUTTON_DOWN : EVT_BUTTON_UP; - key = i; - - screen_keypress_event( ms->screen_unit, - DEV_TABLET, key, type); - } - } else { - ms->up->mouse_buttons = buttons & 0x7; - /* check each one of the three buttons */ - for (i = 0; i < 3; i += 1) { - if ((bmask & (1<<i)) == 0) - continue;/* did not change */ - type = (buttons & (1<<i)) ? EVT_BUTTON_DOWN : EVT_BUTTON_UP; - - if (i & 1) - key = KEY_MIDDLE_BUTTON; - else if ((i & 2) == 0) - key = KEY_RIGHT_BUTTON; - else - key = KEY_LEFT_BUTTON; - - screen_keypress_event( ms->screen_unit, - DEV_MOUSE, key, type); - } - } -} - -/* - * Generate escape sequences for position reporting - * These are the same as xterm's. - * Prefix: - * ESC [ M button down - * ESC [ N button up - * Body: - * BUTTON COL ROW - * Button: - * 0 <-> left, 1 <-> middle, 2 <-> right - * All body values are offset by the ascii SPACE character - */ -#define ESC '\033' -#define SPACE ' ' - -mouse_report_position( - int unit, - int col, - int row, - int key, - int type) -{ - cons_input(SCREEN_LINE_KEYBOARD, ESC, 0); - cons_input(SCREEN_LINE_KEYBOARD, '[', 0); - cons_input(SCREEN_LINE_KEYBOARD, (type==EVT_BUTTON_DOWN) ? 'M':'N', 0); - - cons_input(SCREEN_LINE_KEYBOARD, (key - 1) + SPACE, 0);/* quick remapping */ - cons_input(SCREEN_LINE_KEYBOARD, SPACE + col + 2, 0); - cons_input(SCREEN_LINE_KEYBOARD, SPACE + row + 1, 0); -} - -#endif NLK > 0 |