Initial commit of the PS2 mouse driver.
This commit is contained in:
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0b89016846
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ba871a93aa
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/* $NetBSD: pms.c,v 1.1 1996/03/28 21:50:19 mark Exp $ */
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/*-
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* Copyright (c) 1996 D.C. Tsen
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* Copyright (c) 1994 Charles Hannum.
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* Copyright (c) 1992, 1993 Erik Forsberg.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the RiscBSD team.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* from:pms.c,v 1.24 1995/12/24 02:30:28 mycroft Exp
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*/
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/*
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* Ported from 386 version of PS/2 mouse driver.
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* D.C. Tsen
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*/
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#include "pms.h"
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#if NPMS > 1
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#error Only one PS/2 style mouse may be configured into your system.
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#endif
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/systm.h>
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#include <sys/buf.h>
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#include <sys/malloc.h>
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#include <sys/ioctl.h>
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#include <sys/tty.h>
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#include <sys/file.h>
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#include <sys/select.h>
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#include <sys/proc.h>
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#include <sys/signalvar.h>
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#include <sys/vnode.h>
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#include <sys/device.h>
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#include <machine/cpu.h>
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#include <machine/katelib.h>
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#include <machine/irqhandler.h>
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#include <machine/iomd.h>
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#include <machine/mouse.h>
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#include <arm32/mainbus/mainbus.h>
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/* mouse commands */
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#define PMS_SET_SCALE11 0xe6 /* set scaling 1:1 */
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#define PMS_SET_SCALE21 0xe7 /* set scaling 2:1 */
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#define PMS_SET_RES 0xe8 /* set resolution */
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#define PMS_GET_SCALE 0xe9 /* get scaling factor */
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#define PMS_SET_STREAM 0xea /* set streaming mode */
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#define PMS_SET_SAMPLE 0xf3 /* set sampling rate */
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#define PMS_DEV_ENABLE 0xf4 /* mouse on */
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#define PMS_DEV_DISABLE 0xf5 /* mouse off */
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#define PMS_RESET 0xff /* reset */
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#define PMS_CHUNK 128 /* chunk size for read */
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#define PMS_BSIZE (20*64) /* buffer size */
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struct pms_softc { /* driver status information */
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struct device sc_dev;
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irqhandler_t sc_ih;
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struct proc *proc;
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struct clist sc_q;
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struct selinfo sc_rsel;
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u_int sc_state; /* mouse driver state */
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#define PMS_OPEN 0x01 /* device is open */
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#define PMS_ASLP 0x02 /* waiting for mouse data */
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u_int sc_status; /* mouse button status */
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int sc_x, sc_y; /* accumulated motion in the X,Y axis */
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int boundx, boundy, bounda, boundb; /* Bounding box. x,y is bottom left */
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int origx, origy;
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int lastx, lasty, lastb;
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};
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int pmsprobe __P((struct device *, void *, void *));
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void pmsattach __P((struct device *, struct device *, void *));
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int pmsintr __P((void *));
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struct cfattach pms_ca = {
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sizeof(struct pms_softc), pmsprobe, pmsattach
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};
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struct cfdriver pms_cd = {
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NULL, "pms", DV_DULL
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};
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#define PMSUNIT(dev) (minor(dev))
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static inline void
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pms_flush()
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{
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while (inb(IOMD_MSCR) & 0x20) {
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delay(6);
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(void) inb(IOMD_MSDATA);
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delay(6);
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(void) inb(IOMD_MSDATA);
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delay(6);
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(void) inb(IOMD_MSDATA);
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}
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}
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static void
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cmd_mouse(unsigned char cmd)
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{
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unsigned char c;
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int i = 0;
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int retry = 10;
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for (i = 0; i < 1000; i++) {
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if (inb(IOMD_MSCR) & 0x80)
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break;
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delay(2);
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}
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if (i == 1000)
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printf("Mouse transmit not ready\n");
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resend:
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outb(IOMD_MSDATA, cmd);
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delay(2);
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c = inb(IOMD_MSCR) & (unsigned char) 0xff;
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while (!(c & (unsigned char) 0x20)) {
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delay(1);
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c = inb(IOMD_MSCR);
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}
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delay(10000);
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c = inb(IOMD_MSDATA) & 0xff;
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if ((c == 0xFA) || (c == 0xEE))
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return;
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if (--retry) {
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pms_flush();
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goto resend;
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}
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printf("Mouse cmd failed, cmd = %x, status = %x\n", cmd, c);
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return;
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}
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int
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pmsprobe(parent, match, aux)
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struct device *parent;
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void *match, *aux;
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{
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/*struct mainbus_attach_args *mb = aux;*/
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int i, j;
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int mid;
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int id;
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/* Make sure we have an IOMD we understand */
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id = ReadByte(IOMD_ID0) | (ReadByte(IOMD_ID1) << 8);
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/* So far I only know about this IOMD */
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switch (id) {
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case RPC600_IOMD_ID:
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return(0);
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break;
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case RC7500_IOC_ID:
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break;
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default:
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printf("pms: Unknown IOMD id=%04x", id);
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return(0);
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break;
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}
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outb(IOMD_MSCR, 0x08); /* enable the mouse */
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i = 0;
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while ((inb(IOMD_MSCR) & 0x03) != 0x03) {
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if (i++ > 10) {
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printf("Mouse not found, status = <%x>.\n", inb(IOMD_MSCR));
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return(0);
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}
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pms_flush();
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delay(2);
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outb(IOMD_MSCR, 0x08);
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}
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pms_flush();
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/*
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* Disable, reset and enable the mouse.
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*/
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cmd_mouse(PMS_DEV_DISABLE);
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cmd_mouse(PMS_RESET);
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delay(300000);
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j = 10;
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i = 0;
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while ((mid = inb(IOMD_MSDATA)) != 0xAA) {
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if (++i > 500) {
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if (--j < 0) {
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printf("Mouse Reset failed, status = <%x>.\n", mid);
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return(0);
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}
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pms_flush();
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cmd_mouse(PMS_RESET);
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i = 0;
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}
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delay(100000);
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}
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mid = inb(IOMD_MSDATA);
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#if 0
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cmd_mouse(PMS_SET_RES);
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cmd_mouse(3); /* 8 counts/mm */
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cmd_mouse(PMS_SET_SCALE21);
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cmd_mouse(PMS_SET_SAMPLE);
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cmd_mouse(100); /* 100 samples/sec */
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cmd_mouse(PMS_SET_STREAM);
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#endif
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cmd_mouse(PMS_DEV_ENABLE);
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return 1;
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}
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void
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pmsattach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct pms_softc *sc = (void *)self;
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struct mainbus_attach_args *mb = aux;
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printf("\n");
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/* Other initialization was done by pmsprobe. */
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sc->sc_state = 0;
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sc->origx = 0;
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sc->origy = 0;
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sc->boundx = -4095;
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sc->boundy = -4095;
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sc->bounda = 4096;
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sc->boundb = 4096;
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sc->sc_ih.ih_func = pmsintr;
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sc->sc_ih.ih_arg = sc;
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sc->sc_ih.ih_level = IPL_TTY;
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sc->sc_ih.ih_name = "pms";
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if (mb->mb_irq != IRQUNK)
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sc->sc_ih.ih_num = mb->mb_irq;
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else
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#ifdef RC7500
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sc->sc_ih.ih_num = IRQ_MSDRX;
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#else
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panic("pms: No IRQ specified for pms interrupt handler\n");
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#endif
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}
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int
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pmsopen(dev, flag, mode, p)
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dev_t dev;
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int flag;
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int mode;
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struct proc *p;
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{
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int unit = PMSUNIT(dev);
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struct pms_softc *sc;
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if (unit >= pms_cd.cd_ndevs)
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return ENXIO;
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sc = pms_cd.cd_devs[unit];
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if (!sc)
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return ENXIO;
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if (sc->sc_state & PMS_OPEN)
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return EBUSY;
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if (clalloc(&sc->sc_q, PMS_BSIZE, 0) == -1)
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return ENOMEM;
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sc->proc = p;
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sc->sc_state |= PMS_OPEN;
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sc->sc_status = 0;
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sc->sc_x = sc->sc_y = 0;
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sc->lastx = -1;
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sc->lasty = -1;
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sc->lastb = -1;
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if (irq_claim(IRQ_INSTRUCT, &sc->sc_ih) == -1)
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panic("Cannot claim MOUSE IRQ\n");
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return 0;
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}
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int
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pmsclose(dev, flag, mode, p)
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dev_t dev;
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int flag;
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int mode;
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struct proc *p;
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{
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struct pms_softc *sc = pms_cd.cd_devs[PMSUNIT(dev)];
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if (irq_release(IRQ_INSTRUCT, &sc->sc_ih) != 0)
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panic("Cannot release MOUSE IRQ\n");
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sc->proc = NULL;
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sc->sc_state &= ~PMS_OPEN;
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sc->sc_x = sc->sc_y = 0;
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clfree(&sc->sc_q);
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return 0;
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}
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int
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pmsread(dev, uio, flag)
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dev_t dev;
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struct uio *uio;
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int flag;
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{
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struct pms_softc *sc = pms_cd.cd_devs[PMSUNIT(dev)];
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int s;
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int error = 0;
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size_t length;
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u_char buffer[PMS_CHUNK];
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/* Block until mouse activity occured. */
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s = spltty();
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while (sc->sc_q.c_cc == 0) {
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if (flag & IO_NDELAY) {
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splx(s);
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return EWOULDBLOCK;
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}
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sc->sc_state |= PMS_ASLP;
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if (error = tsleep((caddr_t)sc, (PZERO | PCATCH), "pmsread", 0)) {
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sc->sc_state &= ~PMS_ASLP;
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splx(s);
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return error;
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}
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}
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/* Transfer as many chunks as possible. */
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while (sc->sc_q.c_cc > 0 && uio->uio_resid > 0) {
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length = min(sc->sc_q.c_cc, uio->uio_resid);
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if (length > sizeof(buffer))
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length = sizeof(buffer);
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/* Remove a small chunk from the input queue. */
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(void) q_to_b(&sc->sc_q, buffer, length);
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/* Copy the data to the user process. */
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if (error = uiomove(buffer, length, uio))
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break;
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}
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splx(s);
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return error;
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}
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int
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pmsioctl(dev, cmd, addr, flag, p)
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dev_t dev;
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u_long cmd;
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caddr_t addr;
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int flag;
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struct proc *p;
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{
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struct pms_softc *sc = pms_cd.cd_devs[PMSUNIT(dev)];
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struct mouseinfo info;
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int s;
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int error = 0;
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s = spltty();
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switch (cmd) {
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case MOUSEIOC_SETSTATE:
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printf("MOUSEIOC_SETSTATE called\n");
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break;
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case MOUSEIOC_WRITEX:
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sc->sc_x = *(int *) addr;
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break;
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case MOUSEIOC_WRITEY:
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sc->sc_y = *(int *) addr;
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break;
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case MOUSEIOC_SETBOUNDS:
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{
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register struct mouse_boundingbox *bo = (void *) addr;
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sc->boundx = bo->x; sc->boundy = bo->y;
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sc->bounda = bo->a; sc->boundb = bo->b;
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break;
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}
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case MOUSEIOC_SETORIGIN:
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{
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register struct mouse_origin *oo = (void *) addr;
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sc->origx = oo->x;
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sc->origy = oo->y;
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break;
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}
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case MOUSEIOC_GETBOUNDS:
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{
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register struct mouse_boundingbox *bo = (void *) addr;
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bo->x = sc->boundx; bo->y = sc->boundy;
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bo->a = sc->bounda; bo->b = sc->boundb;
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break;
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}
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case MOUSEIOC_GETORIGIN:
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{
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register struct mouse_origin *oo = (void *) addr;
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oo->x = sc->origx;
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oo->y = sc->origy;
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break;
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}
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case MOUSEIOC_GETSTATE:
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printf("MOUSEIOC_GETSTATE called\n");
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/*
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* Fall through.
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*/
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/* case MOUSEIOCREAD:*/
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info.status = sc->sc_status;
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if (sc->sc_x || sc->sc_y)
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info.status |= MOVEMENT;
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#if 1
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info.xmotion = sc->sc_x;
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info.ymotion = sc->sc_y;
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#else
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if (sc->sc_x > sc->bounda)
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info.xmotion = sc->bounda;
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else if (sc->sc_x < sc->boundx)
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info.xmotion = sc->boundx;
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else
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info.xmotion = sc->sc_x;
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if (sc->sc_y > sc->boundb)
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info.ymotion = sc->boundb;
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else if (sc->sc_y < sc->boundy)
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info.ymotion = sc->boundy;
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else
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info.ymotion = sc->sc_y;
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#endif
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/* Reset historical information. */
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sc->sc_x = sc->sc_y = 0;
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sc->sc_status &= ~BUTCHNGMASK;
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ndflush(&sc->sc_q, sc->sc_q.c_cc);
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error = copyout(&info, addr, sizeof(struct mouseinfo));
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break;
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default:
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error = EINVAL;
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break;
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}
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splx(s);
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return error;
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}
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/* Masks for the first byte of a packet */
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#define PS2LBUTMASK 0x01
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#define PS2RBUTMASK 0x02
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#define PS2MBUTMASK 0x04
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#define XNEG_MASK 0x10
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#define YNEG_MASK 0x20
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int
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pmsintr(arg)
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void *arg;
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{
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struct pms_softc *sc = arg;
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static int state = 0;
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static u_char buttons;
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u_char changed;
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static int dx, dy;
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int dosignal = 0;
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int s;
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u_char b;
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struct mousebufrec mbuffer;
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if ((sc->sc_state & PMS_OPEN) == 0) {
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/* Interrupts are not expected. Discard the byte. */
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pms_flush();
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return(-1);
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}
|
||||
|
||||
switch (state) {
|
||||
|
||||
case 0:
|
||||
buttons = inb(IOMD_MSDATA);
|
||||
if ((buttons & 0xc0) == 0)
|
||||
++state;
|
||||
break;
|
||||
|
||||
case 1:
|
||||
dx = inb(IOMD_MSDATA);
|
||||
dx = (buttons & XNEG_MASK) ? -dx : dx;
|
||||
++state;
|
||||
break;
|
||||
|
||||
case 2:
|
||||
dy = inb(IOMD_MSDATA);
|
||||
dy = (buttons & YNEG_MASK) ? -dy : dy;
|
||||
state = 0;
|
||||
|
||||
buttons = ((buttons & PS2LBUTMASK) << 2) |
|
||||
((buttons & (PS2RBUTMASK | PS2MBUTMASK)) >> 1);
|
||||
/*
|
||||
* Ahhh, the Xarm server interrupt button bits reversed.
|
||||
* If bit is set to 1, it means button is not pressed which is
|
||||
* not what PS/2 mouse button bits said. Since we are simulating
|
||||
* the quadmouse, that's not too picky about it.
|
||||
*/
|
||||
buttons ^= BUTSTATMASK;
|
||||
changed = ((buttons ^ sc->sc_status) & BUTSTATMASK) << 3;
|
||||
sc->sc_status = buttons | (sc->sc_status & ~BUTSTATMASK) | changed;
|
||||
|
||||
if (dx || dy || changed) {
|
||||
if (dx < 0)
|
||||
dx = -(256 + dx);
|
||||
if (dy < 0)
|
||||
dy = -(256 + dy);
|
||||
|
||||
/* Update accumulated movements. */
|
||||
sc->sc_x += dx;
|
||||
sc->sc_y += dy;
|
||||
|
||||
if (sc->sc_x > sc->bounda)
|
||||
sc->sc_x = sc->bounda;
|
||||
else if (sc->sc_x < sc->boundx)
|
||||
sc->sc_x = sc->boundx;
|
||||
|
||||
if (sc->sc_y > sc->boundb)
|
||||
sc->sc_y = sc->boundb;
|
||||
else if (sc->sc_y < sc->boundy)
|
||||
sc->sc_y = sc->boundy;
|
||||
|
||||
if (sc->sc_q.c_cc == 0) {
|
||||
dosignal = 1;
|
||||
}
|
||||
|
||||
/* Add this event to the queue. */
|
||||
b = buttons & BUTSTATMASK;
|
||||
mbuffer.status = b | (b ^ sc->lastb) << 3
|
||||
| (((sc->sc_x==sc->lastx) && (sc->sc_y==sc->lasty))?0:0x40);
|
||||
mbuffer.x = sc->sc_x * 2;
|
||||
mbuffer.y = sc->sc_y * 2;
|
||||
microtime(&mbuffer.event_time);
|
||||
s = spltty();
|
||||
(void) b_to_q((char *)&mbuffer, sizeof(mbuffer), &sc->sc_q);
|
||||
(void) splx(s);
|
||||
sc->lastx = sc->sc_x;
|
||||
sc->lasty = sc->sc_y;
|
||||
sc->lastb = b;
|
||||
|
||||
selwakeup(&sc->sc_rsel);
|
||||
if (sc->sc_state & PMS_ASLP) {
|
||||
sc->sc_state &= ~PMS_ASLP;
|
||||
wakeup((caddr_t)sc);
|
||||
}
|
||||
if (dosignal)
|
||||
psignal(sc->proc, SIGIO);
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
return(0);
|
||||
}
|
||||
|
||||
int
|
||||
pmsselect(dev, rw, p)
|
||||
dev_t dev;
|
||||
int rw;
|
||||
struct proc *p;
|
||||
{
|
||||
struct pms_softc *sc = pms_cd.cd_devs[PMSUNIT(dev)];
|
||||
int s;
|
||||
int ret;
|
||||
|
||||
if (rw == FWRITE)
|
||||
return 0;
|
||||
|
||||
s = spltty();
|
||||
if (!sc->sc_q.c_cc) {
|
||||
selrecord(p, &sc->sc_rsel);
|
||||
ret = 0;
|
||||
} else
|
||||
ret = 1;
|
||||
splx(s);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
|
@ -0,0 +1,612 @@
|
|||
/* $NetBSD: pms.c,v 1.1 1996/03/28 21:50:19 mark Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1996 D.C. Tsen
|
||||
* Copyright (c) 1994 Charles Hannum.
|
||||
* Copyright (c) 1992, 1993 Erik Forsberg.
|
||||
* All rights reserved.
|
||||
*
|
||||
* 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 RiscBSD team.
|
||||
* 4. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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:pms.c,v 1.24 1995/12/24 02:30:28 mycroft Exp
|
||||
*/
|
||||
|
||||
/*
|
||||
* Ported from 386 version of PS/2 mouse driver.
|
||||
* D.C. Tsen
|
||||
*/
|
||||
|
||||
#include "pms.h"
|
||||
#if NPMS > 1
|
||||
#error Only one PS/2 style mouse may be configured into your system.
|
||||
#endif
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/kernel.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/buf.h>
|
||||
#include <sys/malloc.h>
|
||||
#include <sys/ioctl.h>
|
||||
#include <sys/tty.h>
|
||||
#include <sys/file.h>
|
||||
#include <sys/select.h>
|
||||
#include <sys/proc.h>
|
||||
#include <sys/signalvar.h>
|
||||
#include <sys/vnode.h>
|
||||
#include <sys/device.h>
|
||||
|
||||
#include <machine/cpu.h>
|
||||
#include <machine/katelib.h>
|
||||
#include <machine/irqhandler.h>
|
||||
#include <machine/iomd.h>
|
||||
#include <machine/mouse.h>
|
||||
#include <arm32/mainbus/mainbus.h>
|
||||
|
||||
/* mouse commands */
|
||||
#define PMS_SET_SCALE11 0xe6 /* set scaling 1:1 */
|
||||
#define PMS_SET_SCALE21 0xe7 /* set scaling 2:1 */
|
||||
#define PMS_SET_RES 0xe8 /* set resolution */
|
||||
#define PMS_GET_SCALE 0xe9 /* get scaling factor */
|
||||
#define PMS_SET_STREAM 0xea /* set streaming mode */
|
||||
#define PMS_SET_SAMPLE 0xf3 /* set sampling rate */
|
||||
#define PMS_DEV_ENABLE 0xf4 /* mouse on */
|
||||
#define PMS_DEV_DISABLE 0xf5 /* mouse off */
|
||||
#define PMS_RESET 0xff /* reset */
|
||||
|
||||
#define PMS_CHUNK 128 /* chunk size for read */
|
||||
#define PMS_BSIZE (20*64) /* buffer size */
|
||||
|
||||
struct pms_softc { /* driver status information */
|
||||
struct device sc_dev;
|
||||
irqhandler_t sc_ih;
|
||||
|
||||
struct proc *proc;
|
||||
struct clist sc_q;
|
||||
struct selinfo sc_rsel;
|
||||
u_int sc_state; /* mouse driver state */
|
||||
#define PMS_OPEN 0x01 /* device is open */
|
||||
#define PMS_ASLP 0x02 /* waiting for mouse data */
|
||||
u_int sc_status; /* mouse button status */
|
||||
int sc_x, sc_y; /* accumulated motion in the X,Y axis */
|
||||
int boundx, boundy, bounda, boundb; /* Bounding box. x,y is bottom left */
|
||||
int origx, origy;
|
||||
int lastx, lasty, lastb;
|
||||
};
|
||||
|
||||
int pmsprobe __P((struct device *, void *, void *));
|
||||
void pmsattach __P((struct device *, struct device *, void *));
|
||||
int pmsintr __P((void *));
|
||||
|
||||
struct cfattach pms_ca = {
|
||||
sizeof(struct pms_softc), pmsprobe, pmsattach
|
||||
};
|
||||
|
||||
struct cfdriver pms_cd = {
|
||||
NULL, "pms", DV_DULL
|
||||
};
|
||||
|
||||
#define PMSUNIT(dev) (minor(dev))
|
||||
|
||||
static inline void
|
||||
pms_flush()
|
||||
{
|
||||
while (inb(IOMD_MSCR) & 0x20) {
|
||||
delay(6);
|
||||
(void) inb(IOMD_MSDATA);
|
||||
delay(6);
|
||||
(void) inb(IOMD_MSDATA);
|
||||
delay(6);
|
||||
(void) inb(IOMD_MSDATA);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
cmd_mouse(unsigned char cmd)
|
||||
{
|
||||
unsigned char c;
|
||||
int i = 0;
|
||||
int retry = 10;
|
||||
|
||||
for (i = 0; i < 1000; i++) {
|
||||
if (inb(IOMD_MSCR) & 0x80)
|
||||
break;
|
||||
delay(2);
|
||||
}
|
||||
if (i == 1000)
|
||||
printf("Mouse transmit not ready\n");
|
||||
|
||||
resend:
|
||||
outb(IOMD_MSDATA, cmd);
|
||||
delay(2);
|
||||
c = inb(IOMD_MSCR) & (unsigned char) 0xff;
|
||||
while (!(c & (unsigned char) 0x20)) {
|
||||
delay(1);
|
||||
c = inb(IOMD_MSCR);
|
||||
}
|
||||
|
||||
delay(10000);
|
||||
|
||||
c = inb(IOMD_MSDATA) & 0xff;
|
||||
if ((c == 0xFA) || (c == 0xEE))
|
||||
return;
|
||||
|
||||
if (--retry) {
|
||||
pms_flush();
|
||||
goto resend;
|
||||
}
|
||||
|
||||
printf("Mouse cmd failed, cmd = %x, status = %x\n", cmd, c);
|
||||
return;
|
||||
}
|
||||
|
||||
int
|
||||
pmsprobe(parent, match, aux)
|
||||
struct device *parent;
|
||||
void *match, *aux;
|
||||
{
|
||||
/*struct mainbus_attach_args *mb = aux;*/
|
||||
int i, j;
|
||||
int mid;
|
||||
int id;
|
||||
|
||||
/* Make sure we have an IOMD we understand */
|
||||
|
||||
id = ReadByte(IOMD_ID0) | (ReadByte(IOMD_ID1) << 8);
|
||||
|
||||
/* So far I only know about this IOMD */
|
||||
|
||||
switch (id) {
|
||||
case RPC600_IOMD_ID:
|
||||
return(0);
|
||||
break;
|
||||
case RC7500_IOC_ID:
|
||||
break;
|
||||
default:
|
||||
printf("pms: Unknown IOMD id=%04x", id);
|
||||
return(0);
|
||||
break;
|
||||
}
|
||||
|
||||
outb(IOMD_MSCR, 0x08); /* enable the mouse */
|
||||
|
||||
i = 0;
|
||||
while ((inb(IOMD_MSCR) & 0x03) != 0x03) {
|
||||
if (i++ > 10) {
|
||||
printf("Mouse not found, status = <%x>.\n", inb(IOMD_MSCR));
|
||||
return(0);
|
||||
}
|
||||
pms_flush();
|
||||
delay(2);
|
||||
outb(IOMD_MSCR, 0x08);
|
||||
}
|
||||
|
||||
pms_flush();
|
||||
|
||||
/*
|
||||
* Disable, reset and enable the mouse.
|
||||
*/
|
||||
cmd_mouse(PMS_DEV_DISABLE);
|
||||
cmd_mouse(PMS_RESET);
|
||||
delay(300000);
|
||||
j = 10;
|
||||
i = 0;
|
||||
while ((mid = inb(IOMD_MSDATA)) != 0xAA) {
|
||||
if (++i > 500) {
|
||||
if (--j < 0) {
|
||||
printf("Mouse Reset failed, status = <%x>.\n", mid);
|
||||
return(0);
|
||||
}
|
||||
pms_flush();
|
||||
cmd_mouse(PMS_RESET);
|
||||
i = 0;
|
||||
}
|
||||
delay(100000);
|
||||
}
|
||||
mid = inb(IOMD_MSDATA);
|
||||
#if 0
|
||||
cmd_mouse(PMS_SET_RES);
|
||||
cmd_mouse(3); /* 8 counts/mm */
|
||||
cmd_mouse(PMS_SET_SCALE21);
|
||||
cmd_mouse(PMS_SET_SAMPLE);
|
||||
cmd_mouse(100); /* 100 samples/sec */
|
||||
cmd_mouse(PMS_SET_STREAM);
|
||||
#endif
|
||||
cmd_mouse(PMS_DEV_ENABLE);
|
||||
return 1;
|
||||
}
|
||||
|
||||
void
|
||||
pmsattach(parent, self, aux)
|
||||
struct device *parent, *self;
|
||||
void *aux;
|
||||
{
|
||||
struct pms_softc *sc = (void *)self;
|
||||
struct mainbus_attach_args *mb = aux;
|
||||
|
||||
printf("\n");
|
||||
|
||||
/* Other initialization was done by pmsprobe. */
|
||||
sc->sc_state = 0;
|
||||
sc->origx = 0;
|
||||
sc->origy = 0;
|
||||
sc->boundx = -4095;
|
||||
sc->boundy = -4095;
|
||||
sc->bounda = 4096;
|
||||
sc->boundb = 4096;
|
||||
|
||||
sc->sc_ih.ih_func = pmsintr;
|
||||
sc->sc_ih.ih_arg = sc;
|
||||
sc->sc_ih.ih_level = IPL_TTY;
|
||||
sc->sc_ih.ih_name = "pms";
|
||||
if (mb->mb_irq != IRQUNK)
|
||||
sc->sc_ih.ih_num = mb->mb_irq;
|
||||
else
|
||||
#ifdef RC7500
|
||||
sc->sc_ih.ih_num = IRQ_MSDRX;
|
||||
#else
|
||||
panic("pms: No IRQ specified for pms interrupt handler\n");
|
||||
#endif
|
||||
}
|
||||
|
||||
int
|
||||
pmsopen(dev, flag, mode, p)
|
||||
dev_t dev;
|
||||
int flag;
|
||||
int mode;
|
||||
struct proc *p;
|
||||
{
|
||||
int unit = PMSUNIT(dev);
|
||||
struct pms_softc *sc;
|
||||
|
||||
if (unit >= pms_cd.cd_ndevs)
|
||||
return ENXIO;
|
||||
sc = pms_cd.cd_devs[unit];
|
||||
if (!sc)
|
||||
return ENXIO;
|
||||
|
||||
if (sc->sc_state & PMS_OPEN)
|
||||
return EBUSY;
|
||||
|
||||
if (clalloc(&sc->sc_q, PMS_BSIZE, 0) == -1)
|
||||
return ENOMEM;
|
||||
|
||||
sc->proc = p;
|
||||
sc->sc_state |= PMS_OPEN;
|
||||
sc->sc_status = 0;
|
||||
sc->sc_x = sc->sc_y = 0;
|
||||
sc->lastx = -1;
|
||||
sc->lasty = -1;
|
||||
sc->lastb = -1;
|
||||
|
||||
if (irq_claim(IRQ_INSTRUCT, &sc->sc_ih) == -1)
|
||||
panic("Cannot claim MOUSE IRQ\n");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
pmsclose(dev, flag, mode, p)
|
||||
dev_t dev;
|
||||
int flag;
|
||||
int mode;
|
||||
struct proc *p;
|
||||
{
|
||||
struct pms_softc *sc = pms_cd.cd_devs[PMSUNIT(dev)];
|
||||
|
||||
if (irq_release(IRQ_INSTRUCT, &sc->sc_ih) != 0)
|
||||
panic("Cannot release MOUSE IRQ\n");
|
||||
|
||||
sc->proc = NULL;
|
||||
sc->sc_state &= ~PMS_OPEN;
|
||||
sc->sc_x = sc->sc_y = 0;
|
||||
|
||||
clfree(&sc->sc_q);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
pmsread(dev, uio, flag)
|
||||
dev_t dev;
|
||||
struct uio *uio;
|
||||
int flag;
|
||||
{
|
||||
struct pms_softc *sc = pms_cd.cd_devs[PMSUNIT(dev)];
|
||||
int s;
|
||||
int error = 0;
|
||||
size_t length;
|
||||
u_char buffer[PMS_CHUNK];
|
||||
|
||||
/* Block until mouse activity occured. */
|
||||
|
||||
s = spltty();
|
||||
while (sc->sc_q.c_cc == 0) {
|
||||
if (flag & IO_NDELAY) {
|
||||
splx(s);
|
||||
return EWOULDBLOCK;
|
||||
}
|
||||
sc->sc_state |= PMS_ASLP;
|
||||
if (error = tsleep((caddr_t)sc, (PZERO | PCATCH), "pmsread", 0)) {
|
||||
sc->sc_state &= ~PMS_ASLP;
|
||||
splx(s);
|
||||
return error;
|
||||
}
|
||||
}
|
||||
|
||||
/* Transfer as many chunks as possible. */
|
||||
|
||||
while (sc->sc_q.c_cc > 0 && uio->uio_resid > 0) {
|
||||
length = min(sc->sc_q.c_cc, uio->uio_resid);
|
||||
if (length > sizeof(buffer))
|
||||
length = sizeof(buffer);
|
||||
|
||||
/* Remove a small chunk from the input queue. */
|
||||
(void) q_to_b(&sc->sc_q, buffer, length);
|
||||
|
||||
/* Copy the data to the user process. */
|
||||
if (error = uiomove(buffer, length, uio))
|
||||
break;
|
||||
}
|
||||
splx(s);
|
||||
|
||||
return error;
|
||||
}
|
||||
|
||||
int
|
||||
pmsioctl(dev, cmd, addr, flag, p)
|
||||
dev_t dev;
|
||||
u_long cmd;
|
||||
caddr_t addr;
|
||||
int flag;
|
||||
struct proc *p;
|
||||
{
|
||||
struct pms_softc *sc = pms_cd.cd_devs[PMSUNIT(dev)];
|
||||
struct mouseinfo info;
|
||||
int s;
|
||||
int error = 0;
|
||||
|
||||
s = spltty();
|
||||
|
||||
switch (cmd) {
|
||||
case MOUSEIOC_SETSTATE:
|
||||
printf("MOUSEIOC_SETSTATE called\n");
|
||||
break;
|
||||
case MOUSEIOC_WRITEX:
|
||||
sc->sc_x = *(int *) addr;
|
||||
break;
|
||||
case MOUSEIOC_WRITEY:
|
||||
sc->sc_y = *(int *) addr;
|
||||
break;
|
||||
case MOUSEIOC_SETBOUNDS:
|
||||
{
|
||||
register struct mouse_boundingbox *bo = (void *) addr;
|
||||
sc->boundx = bo->x; sc->boundy = bo->y;
|
||||
sc->bounda = bo->a; sc->boundb = bo->b;
|
||||
break;
|
||||
}
|
||||
case MOUSEIOC_SETORIGIN:
|
||||
{
|
||||
register struct mouse_origin *oo = (void *) addr;
|
||||
sc->origx = oo->x;
|
||||
sc->origy = oo->y;
|
||||
break;
|
||||
}
|
||||
case MOUSEIOC_GETBOUNDS:
|
||||
{
|
||||
register struct mouse_boundingbox *bo = (void *) addr;
|
||||
bo->x = sc->boundx; bo->y = sc->boundy;
|
||||
bo->a = sc->bounda; bo->b = sc->boundb;
|
||||
break;
|
||||
}
|
||||
case MOUSEIOC_GETORIGIN:
|
||||
{
|
||||
register struct mouse_origin *oo = (void *) addr;
|
||||
oo->x = sc->origx;
|
||||
oo->y = sc->origy;
|
||||
break;
|
||||
}
|
||||
case MOUSEIOC_GETSTATE:
|
||||
printf("MOUSEIOC_GETSTATE called\n");
|
||||
/*
|
||||
* Fall through.
|
||||
*/
|
||||
/* case MOUSEIOCREAD:*/
|
||||
|
||||
info.status = sc->sc_status;
|
||||
if (sc->sc_x || sc->sc_y)
|
||||
info.status |= MOVEMENT;
|
||||
|
||||
#if 1
|
||||
info.xmotion = sc->sc_x;
|
||||
info.ymotion = sc->sc_y;
|
||||
#else
|
||||
if (sc->sc_x > sc->bounda)
|
||||
info.xmotion = sc->bounda;
|
||||
else if (sc->sc_x < sc->boundx)
|
||||
info.xmotion = sc->boundx;
|
||||
else
|
||||
info.xmotion = sc->sc_x;
|
||||
|
||||
if (sc->sc_y > sc->boundb)
|
||||
info.ymotion = sc->boundb;
|
||||
else if (sc->sc_y < sc->boundy)
|
||||
info.ymotion = sc->boundy;
|
||||
else
|
||||
info.ymotion = sc->sc_y;
|
||||
#endif
|
||||
|
||||
/* Reset historical information. */
|
||||
sc->sc_x = sc->sc_y = 0;
|
||||
sc->sc_status &= ~BUTCHNGMASK;
|
||||
ndflush(&sc->sc_q, sc->sc_q.c_cc);
|
||||
|
||||
error = copyout(&info, addr, sizeof(struct mouseinfo));
|
||||
break;
|
||||
|
||||
default:
|
||||
error = EINVAL;
|
||||
break;
|
||||
}
|
||||
splx(s);
|
||||
|
||||
return error;
|
||||
}
|
||||
|
||||
/* Masks for the first byte of a packet */
|
||||
#define PS2LBUTMASK 0x01
|
||||
#define PS2RBUTMASK 0x02
|
||||
#define PS2MBUTMASK 0x04
|
||||
|
||||
#define XNEG_MASK 0x10
|
||||
#define YNEG_MASK 0x20
|
||||
|
||||
int
|
||||
pmsintr(arg)
|
||||
void *arg;
|
||||
{
|
||||
struct pms_softc *sc = arg;
|
||||
static int state = 0;
|
||||
static u_char buttons;
|
||||
u_char changed;
|
||||
static int dx, dy;
|
||||
int dosignal = 0;
|
||||
int s;
|
||||
u_char b;
|
||||
struct mousebufrec mbuffer;
|
||||
|
||||
if ((sc->sc_state & PMS_OPEN) == 0) {
|
||||
/* Interrupts are not expected. Discard the byte. */
|
||||
pms_flush();
|
||||
return(-1);
|
||||
}
|
||||
|
||||
switch (state) {
|
||||
|
||||
case 0:
|
||||
buttons = inb(IOMD_MSDATA);
|
||||
if ((buttons & 0xc0) == 0)
|
||||
++state;
|
||||
break;
|
||||
|
||||
case 1:
|
||||
dx = inb(IOMD_MSDATA);
|
||||
dx = (buttons & XNEG_MASK) ? -dx : dx;
|
||||
++state;
|
||||
break;
|
||||
|
||||
case 2:
|
||||
dy = inb(IOMD_MSDATA);
|
||||
dy = (buttons & YNEG_MASK) ? -dy : dy;
|
||||
state = 0;
|
||||
|
||||
buttons = ((buttons & PS2LBUTMASK) << 2) |
|
||||
((buttons & (PS2RBUTMASK | PS2MBUTMASK)) >> 1);
|
||||
/*
|
||||
* Ahhh, the Xarm server interrupt button bits reversed.
|
||||
* If bit is set to 1, it means button is not pressed which is
|
||||
* not what PS/2 mouse button bits said. Since we are simulating
|
||||
* the quadmouse, that's not too picky about it.
|
||||
*/
|
||||
buttons ^= BUTSTATMASK;
|
||||
changed = ((buttons ^ sc->sc_status) & BUTSTATMASK) << 3;
|
||||
sc->sc_status = buttons | (sc->sc_status & ~BUTSTATMASK) | changed;
|
||||
|
||||
if (dx || dy || changed) {
|
||||
if (dx < 0)
|
||||
dx = -(256 + dx);
|
||||
if (dy < 0)
|
||||
dy = -(256 + dy);
|
||||
|
||||
/* Update accumulated movements. */
|
||||
sc->sc_x += dx;
|
||||
sc->sc_y += dy;
|
||||
|
||||
if (sc->sc_x > sc->bounda)
|
||||
sc->sc_x = sc->bounda;
|
||||
else if (sc->sc_x < sc->boundx)
|
||||
sc->sc_x = sc->boundx;
|
||||
|
||||
if (sc->sc_y > sc->boundb)
|
||||
sc->sc_y = sc->boundb;
|
||||
else if (sc->sc_y < sc->boundy)
|
||||
sc->sc_y = sc->boundy;
|
||||
|
||||
if (sc->sc_q.c_cc == 0) {
|
||||
dosignal = 1;
|
||||
}
|
||||
|
||||
/* Add this event to the queue. */
|
||||
b = buttons & BUTSTATMASK;
|
||||
mbuffer.status = b | (b ^ sc->lastb) << 3
|
||||
| (((sc->sc_x==sc->lastx) && (sc->sc_y==sc->lasty))?0:0x40);
|
||||
mbuffer.x = sc->sc_x * 2;
|
||||
mbuffer.y = sc->sc_y * 2;
|
||||
microtime(&mbuffer.event_time);
|
||||
s = spltty();
|
||||
(void) b_to_q((char *)&mbuffer, sizeof(mbuffer), &sc->sc_q);
|
||||
(void) splx(s);
|
||||
sc->lastx = sc->sc_x;
|
||||
sc->lasty = sc->sc_y;
|
||||
sc->lastb = b;
|
||||
|
||||
selwakeup(&sc->sc_rsel);
|
||||
if (sc->sc_state & PMS_ASLP) {
|
||||
sc->sc_state &= ~PMS_ASLP;
|
||||
wakeup((caddr_t)sc);
|
||||
}
|
||||
if (dosignal)
|
||||
psignal(sc->proc, SIGIO);
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
return(0);
|
||||
}
|
||||
|
||||
int
|
||||
pmsselect(dev, rw, p)
|
||||
dev_t dev;
|
||||
int rw;
|
||||
struct proc *p;
|
||||
{
|
||||
struct pms_softc *sc = pms_cd.cd_devs[PMSUNIT(dev)];
|
||||
int s;
|
||||
int ret;
|
||||
|
||||
if (rw == FWRITE)
|
||||
return 0;
|
||||
|
||||
s = spltty();
|
||||
if (!sc->sc_q.c_cc) {
|
||||
selrecord(p, &sc->sc_rsel);
|
||||
ret = 0;
|
||||
} else
|
||||
ret = 1;
|
||||
splx(s);
|
||||
|
||||
return ret;
|
||||
}
|
||||
Loading…
Reference in New Issue