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gpm/inputattach.c

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/*
* $Id: inputattach.c,v 1.2 2007/04/02 14:18:54 tjanouse Exp $
*
* Copyright (c) 1999-2000 Vojtech Pavlik
*
* Sponsored by SuSE
*
* Twiddler support Copyright (c) 2001 Arndt Schoenewald
* Sponsored by Quelltext AG (http://www.quelltext-ag.de), Dortmund, Germany
*/
/*
* Input line discipline attach program
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/serio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <sys/time.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <termios.h>
#include <string.h>
#include <assert.h>
#include <ctype.h>
int readchar(int fd, unsigned char *c, int timeout)
{
struct timeval tv;
fd_set set;
tv.tv_sec = 0;
tv.tv_usec = timeout * 1000;
FD_ZERO(&set);
FD_SET(fd, &set);
if (!select(fd+1, &set, NULL, NULL, &tv)) return -1;
if (read(fd, c, 1) != 1) return -1;
return 0;
}
void setline(int fd, int flags, int speed)
{
struct termios t;
tcgetattr(fd, &t);
t.c_cflag = flags | CREAD | HUPCL | CLOCAL;
t.c_iflag = IGNBRK | IGNPAR;
t.c_oflag = 0;
t.c_lflag = 0;
t.c_cc[VMIN ] = 1;
t.c_cc[VTIME] = 0;
cfsetispeed(&t, speed);
cfsetospeed(&t, speed);
tcsetattr(fd, TCSANOW, &t);
}
int logitech_command(int fd, char *c)
{
int i;
unsigned char d;
for (i = 0; c[i]; i++) {
write(fd, c + i, 1);
if (readchar(fd, &d, 1000))
return -1;
if (c[i] != d)
return -1;
}
return 0;
}
int magellan_init(int fd, long *id, long *extra)
{
write(fd, "m3\rpBB\rz\r", 9);
return 0;
}
int warrior_init(int fd, long *id, long *extra)
{
if (logitech_command(fd, "*S")) return -1;
setline(fd, CS8, B4800);
return 0;
}
int spaceball_waitchar(int fd, unsigned char c, unsigned char *d, int timeout)
{
unsigned char b = 0;
while (!readchar(fd, &b, timeout)) {
if (b == 0x0a) continue;
*d++ = b;
if (b == c) break;
}
*d = 0;
return -(b != c);
}
int spaceball_waitcmd(int fd, char c, char *d)
{
int i;
for (i = 0; i < 8; i++) {
if (spaceball_waitchar(fd, 0x0d, d, 1000))
return -1;
if (d[0] == c)
return 0;
}
return -1;
}
int spaceball_cmd(int fd, char *c, char *d)
{
int i;
for (i = 0; c[i]; i++)
write(fd, c + i, 1);
write(fd, "\r", 1);
i = spaceball_waitcmd(fd, toupper(c[0]), d);
return i;
}
#define SPACEBALL_1003 1
#define SPACEBALL_2003B 3
#define SPACEBALL_2003C 4
#define SPACEBALL_3003C 7
#define SPACEBALL_4000FLX 8
#define SPACEBALL_4000FLX_L 9
int spaceball_init(int fd, long *id, long *extra)
{
char r[64];
if (spaceball_waitchar(fd, 0x11, r, 4000) ||
spaceball_waitchar(fd, 0x0d, r, 1000))
return -1;
if (spaceball_waitcmd(fd, '@', r))
return -1;
if (strncmp("@1 Spaceball alive", r, 18))
return -1;
if (spaceball_waitcmd(fd, '@', r))
return -1;
if (spaceball_cmd(fd, "hm", r))
return -1;
if (!strncmp("Hm2003B", r, 7))
*id = SPACEBALL_2003B;
if (!strncmp("Hm2003C", r, 7))
*id = SPACEBALL_2003C;
if (!strncmp("Hm3003C", r, 7))
*id = SPACEBALL_3003C;
if (!strncmp("HvFirmware", r, 10)) {
if (spaceball_cmd(fd, "\"", r))
return -1;
if (strncmp("\"1 Spaceball 4000 FLX", r, 21))
return -1;
if (spaceball_waitcmd(fd, '"', r))
return -1;
if (strstr(r, " L "))
*id = SPACEBALL_4000FLX_L;
else
*id = SPACEBALL_4000FLX;
if (spaceball_waitcmd(fd, '"', r))
return -1;
if (spaceball_cmd(fd, "YS", r))
return -1;
if (spaceball_cmd(fd, "M", r))
return -1;
return 0;
}
if (spaceball_cmd(fd, "P@A@A", r) ||
spaceball_cmd(fd, "FT@", r) ||
spaceball_cmd(fd, "MSS", r))
return -1;
return 0;
}
int stinger_init(int fd, long *id, long *extra)
{
int i;
unsigned char c;
unsigned char *response = "\r\n0600520058C272";
if (write(fd, " E5E5", 5) != 5) /* Enable command */
return -1;
for (i = 0; i < 16; i++) /* Check for Stinger */
if (readchar(fd, &c, 200) || (c != response[i]))
return -1;
return 0;
}
int mzp_init(int fd, long *id, long *extra)
{
if (logitech_command(fd, "*X*q")) return -1;
setline(fd, CS8, B9600);
return 0;
}
int newton_init(int fd, long *id, long *extra)
{
int i;
unsigned char c;
unsigned char response[35] =
{ 0x16, 0x10, 0x02, 0x64, 0x5f, 0x69, 0x64, 0x00,
0x00, 0x00, 0x0c, 0x6b, 0x79, 0x62, 0x64, 0x61,
0x70, 0x70, 0x6c, 0x00, 0x00, 0x00, 0x01, 0x6e,
0x6f, 0x66, 0x6d, 0x00, 0x00, 0x00, 0x00, 0x10,
0x03, 0xdd, 0xe7 };
for (i = 0; i < 35; i++)
if (readchar(fd, &c, 400) || (c != response[i]))
return -1;
return 0;
}
int twiddler_init(int fd, long *id, long *extra)
{
unsigned char c[10];
int count, line;
/* Turn DTR off, otherwise the Twiddler won't send any data. */
if (ioctl(fd, TIOCMGET, &line)) return -1;
line &= ~TIOCM_DTR;
if (ioctl(fd, TIOCMSET, &line)) return -1;
/* Check whether the device on the serial line is the Twiddler.
*
* The Twiddler sends data packets of 5 bytes which have the following
* properties: the MSB is 0 on the first and 1 on all other bytes, and
* the high order nibble of the last byte is always 0x8.
*
* We read and check two of those 5 byte packets to be sure that we
* are indeed talking to a Twiddler. */
/* Read at most 5 bytes until we find one with the MSB set to 0 */
for (count = 0; count < 5; count++) {
if (readchar(fd, c+0, 500)) return -1;
if ((c[0] & 0x80) == 0) break;
}
if (count == 5) {
/* Could not find header byte in data stream */
return -1;
}
/* Read remaining 4 bytes plus the full next data packet */
for (count = 1; count < 10; count++) {
if (readchar(fd, c+count, 500)) return -1;
}
/* Check whether the bytes of both data packets obey the rules */
for (count = 1; count < 10; count++) {
if ((count % 5 == 0 && (c[count] & 0x80) != 0)
|| (count % 5 == 4 && (c[count] & 0xF0) != 0x80)
|| (count % 5 != 0 && (c[count] & 0x80) != 0x80)) {
/* Invalid byte in data packet */
return -1;
}
}
return 0;
}
int dump_init(int fd, long *id, long *extra)
{
unsigned char c, o = 0;
c = 0x80;
if (write(fd, &c, 1) != 1) /* Enable command */
return -1;
while (1)
if (!readchar(fd, &c, 1)) {
printf("%02x (%c) ", c, ((c > 32) && (c < 127)) ? c : 'x');
o = 1;
} else {
if (o) {
printf("\n");
o = 0;
}
}
}
struct input_types {
char name[16];
char name2[16];
int speed;
int flags;
unsigned long type;
unsigned long id;
unsigned long extra;
int flush;
int (*init)(int fd, long *id, long *extra);
};
struct input_types input_types[] = {
{ "--sunkbd", "-skb", B1200, CS8, SERIO_SUNKBD, 0, 0, 1, NULL },
{ "--lkkbd", "-lk", B4800, CS8|CSTOPB, SERIO_LKKBD, 0, 0, 1, NULL },
{ "--vsxxx-aa", "-vs", B4800, CS8|CSTOPB|PARENB|PARODD,SERIO_VSXXXAA, 0, 0, 1, NULL },
{ "--spaceorb", "-orb", B9600, CS8, SERIO_SPACEORB, 0, 0, 1, NULL },
{ "--spaceball", "-sbl", B9600, CS8, SERIO_SPACEBALL,0, 0, 0, spaceball_init },
{ "--magellan", "-mag", B9600, CS8 | CSTOPB | CRTSCTS, SERIO_MAGELLAN, 0, 0, 1, magellan_init },
{ "--warrior", "-war", B1200, CS7 | CSTOPB, SERIO_WARRIOR, 0, 0, 1, warrior_init },
{ "--stinger", "-sting", B1200, CS8, SERIO_STINGER, 0, 0, 1, stinger_init },
{ "--mousesystems", "-msc", B1200, CS8, SERIO_MSC, 0, 0x01, 1, NULL },
{ "--sunmouse", "-sun", B1200, CS8, SERIO_SUN, 0, 0x01, 1, NULL },
{ "--microsoft", "-bare", B1200, CS7, SERIO_MS, 0, 0, 1, NULL },
{ "--mshack", "-ms", B1200, CS7, SERIO_MS, 0, 0x01, 1, NULL },
{ "--mouseman", "-mman", B1200, CS7, SERIO_MP, 0, 0x01, 1, NULL },
{ "--intellimouse", "-ms3", B1200, CS7, SERIO_MZ, 0, 0x11, 1, NULL },
{ "--mmwheel", "-mmw", B1200, CS7 | CSTOPB, SERIO_MZP, 0, 0x13, 1, mzp_init },
{ "--iforce", "-ifor", B38400, CS8, SERIO_IFORCE, 0, 0, 0, NULL },
{ "--newtonkbd", "-newt", B9600, CS8, SERIO_NEWTON, 0, 0, 0, newton_init },
{ "--h3600ts", "-ipaq", B115200, CS8, SERIO_H3600, 0, 0, 0, NULL },
{ "--stowawaykbd", "-ipaqkbd", B115200, CS8, SERIO_STOWAWAY, 0, 0, 0, NULL },
{ "--ps2serkbd", "-ps2ser", B1200, CS8, SERIO_PS2SER, 0, 0, 1, NULL },
{ "--twiddler", "-twid", B2400, CS8, SERIO_TWIDKBD, 0, 0, 0, twiddler_init },
{ "--twiddler-joy", "-twidjoy", B2400, CS8, SERIO_TWIDJOY, 0, 0, 0, twiddler_init },
{ "--elotouch", "-elo", B9600, CS8 | CRTSCTS, SERIO_ELO, 0, 0, 0, NULL },
{ "--elo4002", "-elo6b", B9600, CS8 | CRTSCTS, SERIO_ELO, 1, 0, 0, NULL },
{ "--elo271-140", "-elo4b", B9600, CS8 | CRTSCTS, SERIO_ELO, 2, 0, 0, NULL },
{ "--elo261-280", "-elo3b", B9600, CS8 | CRTSCTS, SERIO_ELO, 3, 0, 0, NULL },
{ "--dump", "-dump", B2400, CS8, 0, 0, 0, 0, dump_init },
{ "", "", 0, 0 }
};
int main(int argc, char **argv)
{
unsigned long devt;
int ldisc;
int type;
long id, extra;
int fd;
char c;
if (argc < 2 || argc > 4 || (argc == 4 && strcmp(argv[3], "--daemon")) || !strcmp("--help", argv[1])) {
puts("");
puts("Usage: inputttach <mode> <device>");
puts("");
puts("Modes:");
puts(" --sunkbd -skb Sun Type 4 and Type 5 keyboards");
puts(" --lkkbd -lk DEC LK201 / LK401 keyboards");
puts(" --vsxxx-aa -vs DEC VSXXX-AA / VSXXX-GA mouse and VSXXX-AB tablet");
puts(" --spaceorb -orb SpaceOrb 360 / SpaceBall Avenger");
puts(" --spaceball -sbl SpaceBall 2003 / 3003 / 4000 FLX");
puts(" --magellan -mag Magellan / SpaceMouse");
puts(" --warrior -war WingMan Warrior");
puts(" --stinger -stng Gravis Stinger");
puts(" --mousesystems -msc 3-button Mouse Systems mice");
puts(" --sunmouse -sun 3-button Sun mice");
puts(" --microsoft -bare 2-button Microsoft mice");
puts(" --mshack -ms 3-button mice in Microsoft mode");
puts(" --mouseman -mman 3-button Logitech and Genius mice");
puts(" --intellimouse -ms3 Microsoft IntelliMouse");
puts(" --mmwheel -mmw Logitech mice with 4-5 buttons or wheel");
puts(" --iforce -ifor I-Force joysticks and wheels");
puts(" --h3600ts -ipaq Ipaq h3600 touchscreen");
puts(" --stowawaykbd -ipaqkbd Stowaway keyboard");
puts(" --ps2serkbd -ps2ser PS/2 via serial keyboard");
puts(" --twiddler -twid Handykey Twiddler chording keyboard");
puts(" --twiddler-joy -twidjoy Handykey Twiddler used as a joystick");
puts("");
return 1;
}
for (type = 0; input_types[type].speed; type++) {
if (!strncasecmp(argv[1], input_types[type].name, 16) ||
!strncasecmp(argv[1], input_types[type].name2, 16))
break;
}
if (!input_types[type].speed) {
fprintf(stderr, "inputattach: invalid mode\n");
return 1;
}
if ((fd = open(argv[2], O_RDWR | O_NOCTTY | O_NONBLOCK)) < 0) {
perror("inputattach");
return 1;
}
setline(fd, input_types[type].flags, input_types[type].speed);
if (input_types[type].flush)
while (!readchar(fd, &c, 100));
id = input_types[type].id;
extra = input_types[type].extra;
if (input_types[type].init && input_types[type].init(fd, &id, &extra)) {
fprintf(stderr, "inputattach: device initialization failed\n");
return 1;
}
ldisc = N_MOUSE;
if(ioctl(fd, TIOCSETD, &ldisc)) {
fprintf(stderr, "inputattach: can't set line discipline\n");
return 1;
}
devt = input_types[type].type | (id << 8) | (extra << 16);
if(ioctl(fd, SPIOCSTYPE, &devt)) {
fprintf(stderr, "inputattach: can't set device type\n");
return 1;
}
if (argc == 4 && !strcmp(argv[3],"--daemon"))
daemon(0,0);
read(fd, NULL, 0);
ldisc = 0;
ioctl(fd, TIOCSETD, &ldisc);
close(fd);
return 0;
}
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