2 * $Id: db9.c,v 1.13 2002/04/07 20:13:37 vojtech Exp $
4 * Copyright (c) 1999-2001 Vojtech Pavlik
6 * Based on the work of:
7 * Andree Borrmann Mats Sjövall
11 * Atari, Amstrad, Commodore, Amiga, Sega, etc. joystick driver for Linux
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License as published by
17 * the Free Software Foundation; either version 2 of the License, or
18 * (at your option) any later version.
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
25 * You should have received a copy of the GNU General Public License
26 * along with this program; if not, write to the Free Software
27 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
29 * Should you need to contact me, the author, you can do so either by
30 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
31 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
34 #include <linux/kernel.h>
35 #include <linux/module.h>
36 #include <linux/moduleparam.h>
37 #include <linux/delay.h>
38 #include <linux/init.h>
39 #include <linux/parport.h>
40 #include <linux/input.h>
41 #include <linux/mutex.h>
43 MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
44 MODULE_DESCRIPTION("Atari, Amstrad, Commodore, Amiga, Sega, etc. joystick driver");
45 MODULE_LICENSE("GPL");
52 #define DB9_MAX_PORTS 3
53 static struct db9_config db9[DB9_MAX_PORTS] __initdata;
55 module_param_array_named(dev, db9[0].args, int, &db9[0].nargs, 0);
56 MODULE_PARM_DESC(dev, "Describes first attached device (<parport#>,<type>)");
57 module_param_array_named(dev2, db9[1].args, int, &db9[0].nargs, 0);
58 MODULE_PARM_DESC(dev2, "Describes second attached device (<parport#>,<type>)");
59 module_param_array_named(dev3, db9[2].args, int, &db9[2].nargs, 0);
60 MODULE_PARM_DESC(dev3, "Describes third attached device (<parport#>,<type>)");
62 __obsolete_setup("db9=");
63 __obsolete_setup("db9_2=");
64 __obsolete_setup("db9_3=");
66 #define DB9_ARG_PARPORT 0
67 #define DB9_ARG_MODE 1
69 #define DB9_MULTI_STICK 0x01
70 #define DB9_MULTI2_STICK 0x02
71 #define DB9_GENESIS_PAD 0x03
72 #define DB9_GENESIS5_PAD 0x05
73 #define DB9_GENESIS6_PAD 0x06
74 #define DB9_SATURN_PAD 0x07
75 #define DB9_MULTI_0802 0x08
76 #define DB9_MULTI_0802_2 0x09
77 #define DB9_CD32_PAD 0x0A
78 #define DB9_SATURN_DPP 0x0B
79 #define DB9_SATURN_DPP_2 0x0C
80 #define DB9_MAX_PAD 0x0D
85 #define DB9_RIGHT 0x08
86 #define DB9_FIRE1 0x10
87 #define DB9_FIRE2 0x20
88 #define DB9_FIRE3 0x40
89 #define DB9_FIRE4 0x80
91 #define DB9_NORMAL 0x0a
92 #define DB9_NOSELECT 0x08
94 #define DB9_GENESIS6_DELAY 14
95 #define DB9_REFRESH_TIME HZ/100
97 #define DB9_MAX_DEVICES 2
99 struct db9_mode_data {
101 const short *buttons;
110 struct input_dev *dev[DB9_MAX_DEVICES];
111 struct timer_list timer;
112 struct pardevice *pd;
116 char phys[DB9_MAX_DEVICES][32];
119 static struct db9 *db9_base[3];
121 static const short db9_multi_btn[] = { BTN_TRIGGER, BTN_THUMB };
122 static const short db9_genesis_btn[] = { BTN_START, BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_MODE };
123 static const short db9_cd32_btn[] = { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_TL, BTN_TR, BTN_START };
124 static const short db9_abs[] = { ABS_X, ABS_Y, ABS_RX, ABS_RY, ABS_RZ, ABS_Z, ABS_HAT0X, ABS_HAT0Y, ABS_HAT1X, ABS_HAT1Y };
126 static const struct db9_mode_data db9_modes[] = {
127 { NULL, NULL, 0, 0, 0, 0, 0 },
128 { "Multisystem joystick", db9_multi_btn, 1, 1, 2, 1, 1 },
129 { "Multisystem joystick (2 fire)", db9_multi_btn, 2, 1, 2, 1, 1 },
130 { "Genesis pad", db9_genesis_btn, 4, 1, 2, 1, 1 },
131 { NULL, NULL, 0, 0, 0, 0, 0 },
132 { "Genesis 5 pad", db9_genesis_btn, 6, 1, 2, 1, 1 },
133 { "Genesis 6 pad", db9_genesis_btn, 8, 1, 2, 1, 1 },
134 { "Saturn pad", db9_cd32_btn, 9, 6, 7, 0, 1 },
135 { "Multisystem (0.8.0.2) joystick", db9_multi_btn, 1, 1, 2, 1, 1 },
136 { "Multisystem (0.8.0.2-dual) joystick", db9_multi_btn, 1, 2, 2, 1, 1 },
137 { "Amiga CD-32 pad", db9_cd32_btn, 7, 1, 2, 1, 1 },
138 { "Saturn dpp", db9_cd32_btn, 9, 6, 7, 0, 0 },
139 { "Saturn dpp dual", db9_cd32_btn, 9, 12, 7, 0, 0 },
145 #define DB9_SATURN_DELAY 300
146 static const int db9_saturn_byte[] = { 1, 1, 1, 2, 2, 2, 2, 2, 1 };
147 static const unsigned char db9_saturn_mask[] = { 0x04, 0x01, 0x02, 0x40, 0x20, 0x10, 0x08, 0x80, 0x08 };
150 * db9_saturn_write_sub() writes 2 bit data.
152 static void db9_saturn_write_sub(struct parport *port, int type, unsigned char data, int powered, int pwr_sub)
158 c = 0x80 | 0x30 | (powered ? 0x08 : 0) | (pwr_sub ? 0x04 : 0) | data;
159 parport_write_data(port, c);
162 c = 0x40 | data << 4 | (powered ? 0x08 : 0) | (pwr_sub ? 0x04 : 0) | 0x03;
163 parport_write_data(port, c);
166 c = ((((data & 2) ? 2 : 0) | ((data & 1) ? 4 : 0)) ^ 0x02) | !powered;
167 parport_write_control(port, c);
173 * gc_saturn_read_sub() reads 4 bit data.
175 static unsigned char db9_saturn_read_sub(struct parport *port, int type)
181 data = parport_read_status(port) ^ 0x80;
182 return (data & 0x80 ? 1 : 0) | (data & 0x40 ? 2 : 0)
183 | (data & 0x20 ? 4 : 0) | (data & 0x10 ? 8 : 0);
186 data = parport_read_data(port) & 0x0f;
187 return (data & 0x8 ? 1 : 0) | (data & 0x4 ? 2 : 0)
188 | (data & 0x2 ? 4 : 0) | (data & 0x1 ? 8 : 0);
193 * db9_saturn_read_analog() sends clock and reads 8 bit data.
195 static unsigned char db9_saturn_read_analog(struct parport *port, int type, int powered)
199 db9_saturn_write_sub(port, type, 0, powered, 0);
200 udelay(DB9_SATURN_DELAY);
201 data = db9_saturn_read_sub(port, type) << 4;
202 db9_saturn_write_sub(port, type, 2, powered, 0);
203 udelay(DB9_SATURN_DELAY);
204 data |= db9_saturn_read_sub(port, type);
209 * db9_saturn_read_packet() reads whole saturn packet at connector
210 * and returns device identifier code.
212 static unsigned char db9_saturn_read_packet(struct parport *port, unsigned char *data, int type, int powered)
217 db9_saturn_write_sub(port, type, 3, powered, 0);
218 data[0] = db9_saturn_read_sub(port, type);
219 switch (data[0] & 0x0f) {
222 return data[0] = 0xff;
223 case 0x4: case 0x4 | 0x8:
224 /* ?100 : digital controller */
225 db9_saturn_write_sub(port, type, 0, powered, 1);
226 data[2] = db9_saturn_read_sub(port, type) << 4;
227 db9_saturn_write_sub(port, type, 2, powered, 1);
228 data[1] = db9_saturn_read_sub(port, type) << 4;
229 db9_saturn_write_sub(port, type, 1, powered, 1);
230 data[1] |= db9_saturn_read_sub(port, type);
231 db9_saturn_write_sub(port, type, 3, powered, 1);
232 /* data[2] |= db9_saturn_read_sub(port, type); */
234 return data[0] = 0x02;
236 /* 0001 : analog controller or multitap */
237 db9_saturn_write_sub(port, type, 2, powered, 0);
238 udelay(DB9_SATURN_DELAY);
239 data[0] = db9_saturn_read_analog(port, type, powered);
240 if (data[0] != 0x41) {
241 /* read analog controller */
242 for (i = 0; i < (data[0] & 0x0f); i++)
243 data[i + 1] = db9_saturn_read_analog(port, type, powered);
244 db9_saturn_write_sub(port, type, 3, powered, 0);
248 if (db9_saturn_read_analog(port, type, powered) != 0x60)
249 return data[0] = 0xff;
250 for (i = 0; i < 60; i += 10) {
251 data[i] = db9_saturn_read_analog(port, type, powered);
254 for (j = 0; j < (data[i] & 0x0f); j++)
255 data[i + j + 1] = db9_saturn_read_analog(port, type, powered);
257 db9_saturn_write_sub(port, type, 3, powered, 0);
262 db9_saturn_write_sub(port, type, 2, powered, 0);
263 udelay(DB9_SATURN_DELAY);
264 tmp = db9_saturn_read_analog(port, type, powered);
266 for (i = 0; i < 3; i++)
267 data[i + 1] = db9_saturn_read_analog(port, type, powered);
268 db9_saturn_write_sub(port, type, 3, powered, 0);
269 return data[0] = 0xe3;
277 * db9_saturn_report() analyzes packet and reports.
279 static int db9_saturn_report(unsigned char id, unsigned char data[60], struct input_dev *devs[], int n, int max_pads)
281 struct input_dev *dev;
284 tmp = (id == 0x41) ? 60 : 10;
285 for (j = 0; j < tmp && n < max_pads; j += 10, n++) {
288 case 0x16: /* multi controller (analog 4 axis) */
289 input_report_abs(dev, db9_abs[5], data[j + 6]);
290 case 0x15: /* mission stick (analog 3 axis) */
291 input_report_abs(dev, db9_abs[3], data[j + 4]);
292 input_report_abs(dev, db9_abs[4], data[j + 5]);
293 case 0x13: /* racing controller (analog 1 axis) */
294 input_report_abs(dev, db9_abs[2], data[j + 3]);
295 case 0x34: /* saturn keyboard (udlr ZXC ASD QE Esc) */
296 case 0x02: /* digital pad (digital 2 axis + buttons) */
297 input_report_abs(dev, db9_abs[0], !(data[j + 1] & 128) - !(data[j + 1] & 64));
298 input_report_abs(dev, db9_abs[1], !(data[j + 1] & 32) - !(data[j + 1] & 16));
299 for (i = 0; i < 9; i++)
300 input_report_key(dev, db9_cd32_btn[i], ~data[j + db9_saturn_byte[i]] & db9_saturn_mask[i]);
302 case 0x19: /* mission stick x2 (analog 6 axis + buttons) */
303 input_report_abs(dev, db9_abs[0], !(data[j + 1] & 128) - !(data[j + 1] & 64));
304 input_report_abs(dev, db9_abs[1], !(data[j + 1] & 32) - !(data[j + 1] & 16));
305 for (i = 0; i < 9; i++)
306 input_report_key(dev, db9_cd32_btn[i], ~data[j + db9_saturn_byte[i]] & db9_saturn_mask[i]);
307 input_report_abs(dev, db9_abs[2], data[j + 3]);
308 input_report_abs(dev, db9_abs[3], data[j + 4]);
309 input_report_abs(dev, db9_abs[4], data[j + 5]);
311 input_report_abs(dev, db9_abs[8], (data[j + 6] & 128 ? 0 : 1) - (data[j + 6] & 64 ? 0 : 1));
312 input_report_abs(dev, db9_abs[9], (data[j + 6] & 32 ? 0 : 1) - (data[j + 6] & 16 ? 0 : 1));
314 input_report_abs(dev, db9_abs[6], data[j + 7]);
315 input_report_abs(dev, db9_abs[7], data[j + 8]);
316 input_report_abs(dev, db9_abs[5], data[j + 9]);
318 case 0xd3: /* sankyo ff (analog 1 axis + stop btn) */
319 input_report_key(dev, BTN_A, data[j + 3] & 0x80);
320 input_report_abs(dev, db9_abs[2], data[j + 3] & 0x7f);
322 case 0xe3: /* shuttle mouse (analog 2 axis + buttons. signed value) */
323 input_report_key(dev, BTN_START, data[j + 1] & 0x08);
324 input_report_key(dev, BTN_A, data[j + 1] & 0x04);
325 input_report_key(dev, BTN_C, data[j + 1] & 0x02);
326 input_report_key(dev, BTN_B, data[j + 1] & 0x01);
327 input_report_abs(dev, db9_abs[2], data[j + 2] ^ 0x80);
328 input_report_abs(dev, db9_abs[3], (0xff-(data[j + 3] ^ 0x80))+1); /* */
331 default: /* no pad */
332 input_report_abs(dev, db9_abs[0], 0);
333 input_report_abs(dev, db9_abs[1], 0);
334 for (i = 0; i < 9; i++)
335 input_report_key(dev, db9_cd32_btn[i], 0);
342 static int db9_saturn(int mode, struct parport *port, struct input_dev *devs[])
344 unsigned char id, data[60];
345 int type, n, max_pads;
357 case DB9_SATURN_DPP_2:
364 max_pads = min(db9_modes[mode].n_pads, DB9_MAX_DEVICES);
365 for (tmp = 0, i = 0; i < n; i++) {
366 id = db9_saturn_read_packet(port, data, type + i, 1);
367 tmp = db9_saturn_report(id, data, devs, tmp, max_pads);
372 static void db9_timer(unsigned long private)
374 struct db9 *db9 = (void *) private;
375 struct parport *port = db9->pd->port;
376 struct input_dev *dev = db9->dev[0];
377 struct input_dev *dev2 = db9->dev[1];
381 case DB9_MULTI_0802_2:
383 data = parport_read_data(port) >> 3;
385 input_report_abs(dev2, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1));
386 input_report_abs(dev2, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1));
387 input_report_key(dev2, BTN_TRIGGER, ~data & DB9_FIRE1);
391 data = parport_read_status(port) >> 3;
393 input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1));
394 input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1));
395 input_report_key(dev, BTN_TRIGGER, data & DB9_FIRE1);
398 case DB9_MULTI_STICK:
400 data = parport_read_data(port);
402 input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1));
403 input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1));
404 input_report_key(dev, BTN_TRIGGER, ~data & DB9_FIRE1);
407 case DB9_MULTI2_STICK:
409 data = parport_read_data(port);
411 input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1));
412 input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1));
413 input_report_key(dev, BTN_TRIGGER, ~data & DB9_FIRE1);
414 input_report_key(dev, BTN_THUMB, ~data & DB9_FIRE2);
417 case DB9_GENESIS_PAD:
419 parport_write_control(port, DB9_NOSELECT);
420 data = parport_read_data(port);
422 input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1));
423 input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1));
424 input_report_key(dev, BTN_B, ~data & DB9_FIRE1);
425 input_report_key(dev, BTN_C, ~data & DB9_FIRE2);
427 parport_write_control(port, DB9_NORMAL);
428 data = parport_read_data(port);
430 input_report_key(dev, BTN_A, ~data & DB9_FIRE1);
431 input_report_key(dev, BTN_START, ~data & DB9_FIRE2);
434 case DB9_GENESIS5_PAD:
436 parport_write_control(port, DB9_NOSELECT);
437 data = parport_read_data(port);
439 input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1));
440 input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1));
441 input_report_key(dev, BTN_B, ~data & DB9_FIRE1);
442 input_report_key(dev, BTN_C, ~data & DB9_FIRE2);
444 parport_write_control(port, DB9_NORMAL);
445 data = parport_read_data(port);
447 input_report_key(dev, BTN_A, ~data & DB9_FIRE1);
448 input_report_key(dev, BTN_X, ~data & DB9_FIRE2);
449 input_report_key(dev, BTN_Y, ~data & DB9_LEFT);
450 input_report_key(dev, BTN_START, ~data & DB9_RIGHT);
453 case DB9_GENESIS6_PAD:
455 parport_write_control(port, DB9_NOSELECT); /* 1 */
456 udelay(DB9_GENESIS6_DELAY);
457 data = parport_read_data(port);
459 input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1));
460 input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1));
461 input_report_key(dev, BTN_B, ~data & DB9_FIRE1);
462 input_report_key(dev, BTN_C, ~data & DB9_FIRE2);
464 parport_write_control(port, DB9_NORMAL);
465 udelay(DB9_GENESIS6_DELAY);
466 data = parport_read_data(port);
468 input_report_key(dev, BTN_A, ~data & DB9_FIRE1);
469 input_report_key(dev, BTN_START, ~data & DB9_FIRE2);
471 parport_write_control(port, DB9_NOSELECT); /* 2 */
472 udelay(DB9_GENESIS6_DELAY);
473 parport_write_control(port, DB9_NORMAL);
474 udelay(DB9_GENESIS6_DELAY);
475 parport_write_control(port, DB9_NOSELECT); /* 3 */
476 udelay(DB9_GENESIS6_DELAY);
477 data=parport_read_data(port);
479 input_report_key(dev, BTN_X, ~data & DB9_LEFT);
480 input_report_key(dev, BTN_Y, ~data & DB9_DOWN);
481 input_report_key(dev, BTN_Z, ~data & DB9_UP);
482 input_report_key(dev, BTN_MODE, ~data & DB9_RIGHT);
484 parport_write_control(port, DB9_NORMAL);
485 udelay(DB9_GENESIS6_DELAY);
486 parport_write_control(port, DB9_NOSELECT); /* 4 */
487 udelay(DB9_GENESIS6_DELAY);
488 parport_write_control(port, DB9_NORMAL);
493 case DB9_SATURN_DPP_2:
495 db9_saturn(db9->mode, port, db9->dev);
500 data = parport_read_data(port);
502 input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1));
503 input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1));
505 parport_write_control(port, 0x0a);
507 for (i = 0; i < 7; i++) {
508 data = parport_read_data(port);
509 parport_write_control(port, 0x02);
510 parport_write_control(port, 0x0a);
511 input_report_key(dev, db9_cd32_btn[i], ~data & DB9_FIRE2);
514 parport_write_control(port, 0x00);
520 mod_timer(&db9->timer, jiffies + DB9_REFRESH_TIME);
523 static int db9_open(struct input_dev *dev)
525 struct db9 *db9 = dev->private;
526 struct parport *port = db9->pd->port;
529 err = mutex_lock_interruptible(&db9->mutex);
534 parport_claim(db9->pd);
535 parport_write_data(port, 0xff);
536 if (db9_modes[db9->mode].reverse) {
537 parport_data_reverse(port);
538 parport_write_control(port, DB9_NORMAL);
540 mod_timer(&db9->timer, jiffies + DB9_REFRESH_TIME);
543 mutex_unlock(&db9->mutex);
547 static void db9_close(struct input_dev *dev)
549 struct db9 *db9 = dev->private;
550 struct parport *port = db9->pd->port;
552 mutex_lock(&db9->mutex);
554 del_timer_sync(&db9->timer);
555 parport_write_control(port, 0x00);
556 parport_data_forward(port);
557 parport_release(db9->pd);
559 mutex_unlock(&db9->mutex);
562 static struct db9 __init *db9_probe(int parport, int mode)
565 const struct db9_mode_data *db9_mode;
567 struct pardevice *pd;
568 struct input_dev *input_dev;
572 if (mode < 1 || mode >= DB9_MAX_PAD || !db9_modes[mode].n_buttons) {
573 printk(KERN_ERR "db9.c: Bad device type %d\n", mode);
578 db9_mode = &db9_modes[mode];
580 pp = parport_find_number(parport);
582 printk(KERN_ERR "db9.c: no such parport\n");
587 if (db9_mode->bidirectional && !(pp->modes & PARPORT_MODE_TRISTATE)) {
588 printk(KERN_ERR "db9.c: specified parport is not bidirectional\n");
593 pd = parport_register_device(pp, "db9", NULL, NULL, NULL, PARPORT_DEV_EXCL, NULL);
595 printk(KERN_ERR "db9.c: parport busy already - lp.o loaded?\n");
600 db9 = kzalloc(sizeof(struct db9), GFP_KERNEL);
602 printk(KERN_ERR "db9.c: Not enough memory\n");
604 goto err_unreg_pardev;
607 mutex_init(&db9->mutex);
610 init_timer(&db9->timer);
611 db9->timer.data = (long) db9;
612 db9->timer.function = db9_timer;
614 for (i = 0; i < (min(db9_mode->n_pads, DB9_MAX_DEVICES)); i++) {
616 db9->dev[i] = input_dev = input_allocate_device();
618 printk(KERN_ERR "db9.c: Not enough memory for input device\n");
623 snprintf(db9->phys[i], sizeof(db9->phys[i]),
624 "%s/input%d", db9->pd->port->name, i);
626 input_dev->name = db9_mode->name;
627 input_dev->phys = db9->phys[i];
628 input_dev->id.bustype = BUS_PARPORT;
629 input_dev->id.vendor = 0x0002;
630 input_dev->id.product = mode;
631 input_dev->id.version = 0x0100;
632 input_dev->private = db9;
634 input_dev->open = db9_open;
635 input_dev->close = db9_close;
637 input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
638 for (j = 0; j < db9_mode->n_buttons; j++)
639 set_bit(db9_mode->buttons[j], input_dev->keybit);
640 for (j = 0; j < db9_mode->n_axis; j++) {
642 input_set_abs_params(input_dev, db9_abs[j], -1, 1, 0, 0);
644 input_set_abs_params(input_dev, db9_abs[j], 1, 255, 0, 0);
647 err = input_register_device(input_dev);
652 parport_put_port(pp);
656 input_free_device(db9->dev[i]);
659 input_unregister_device(db9->dev[i]);
662 parport_unregister_device(pd);
664 parport_put_port(pp);
669 static void db9_remove(struct db9 *db9)
673 for (i = 0; i < min(db9_modes[db9->mode].n_pads, DB9_MAX_DEVICES); i++)
674 input_unregister_device(db9->dev[i]);
675 parport_unregister_device(db9->pd);
679 static int __init db9_init(void)
685 for (i = 0; i < DB9_MAX_PORTS; i++) {
686 if (db9[i].nargs == 0 || db9[i].args[DB9_ARG_PARPORT] < 0)
689 if (db9[i].nargs < 2) {
690 printk(KERN_ERR "db9.c: Device type must be specified.\n");
695 db9_base[i] = db9_probe(db9[i].args[DB9_ARG_PARPORT],
696 db9[i].args[DB9_ARG_MODE]);
697 if (IS_ERR(db9_base[i])) {
698 err = PTR_ERR(db9_base[i]);
708 db9_remove(db9_base[i]);
712 return have_dev ? 0 : -ENODEV;
715 static void __exit db9_exit(void)
719 for (i = 0; i < DB9_MAX_PORTS; i++)
721 db9_remove(db9_base[i]);
724 module_init(db9_init);
725 module_exit(db9_exit);