2 * Copyright (c) 1999-2001 Vojtech Pavlik
4 * Based on the work of:
5 * Andree Borrmann Mats Sjövall
9 * Atari, Amstrad, Commodore, Amiga, Sega, etc. joystick driver for Linux
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 * Should you need to contact me, the author, you can do so either by
28 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
29 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
32 #include <linux/kernel.h>
33 #include <linux/module.h>
34 #include <linux/delay.h>
35 #include <linux/init.h>
36 #include <linux/parport.h>
37 #include <linux/input.h>
38 #include <linux/mutex.h>
39 #include <linux/slab.h>
41 MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
42 MODULE_DESCRIPTION("Atari, Amstrad, Commodore, Amiga, Sega, etc. joystick driver");
43 MODULE_LICENSE("GPL");
50 #define DB9_MAX_PORTS 3
51 static struct db9_config db9_cfg[DB9_MAX_PORTS];
53 module_param_array_named(dev, db9_cfg[0].args, int, &db9_cfg[0].nargs, 0);
54 MODULE_PARM_DESC(dev, "Describes first attached device (<parport#>,<type>)");
55 module_param_array_named(dev2, db9_cfg[1].args, int, &db9_cfg[1].nargs, 0);
56 MODULE_PARM_DESC(dev2, "Describes second attached device (<parport#>,<type>)");
57 module_param_array_named(dev3, db9_cfg[2].args, int, &db9_cfg[2].nargs, 0);
58 MODULE_PARM_DESC(dev3, "Describes third attached device (<parport#>,<type>)");
60 #define DB9_ARG_PARPORT 0
61 #define DB9_ARG_MODE 1
63 #define DB9_MULTI_STICK 0x01
64 #define DB9_MULTI2_STICK 0x02
65 #define DB9_GENESIS_PAD 0x03
66 #define DB9_GENESIS5_PAD 0x05
67 #define DB9_GENESIS6_PAD 0x06
68 #define DB9_SATURN_PAD 0x07
69 #define DB9_MULTI_0802 0x08
70 #define DB9_MULTI_0802_2 0x09
71 #define DB9_CD32_PAD 0x0A
72 #define DB9_SATURN_DPP 0x0B
73 #define DB9_SATURN_DPP_2 0x0C
74 #define DB9_MAX_PAD 0x0D
79 #define DB9_RIGHT 0x08
80 #define DB9_FIRE1 0x10
81 #define DB9_FIRE2 0x20
82 #define DB9_FIRE3 0x40
83 #define DB9_FIRE4 0x80
85 #define DB9_NORMAL 0x0a
86 #define DB9_NOSELECT 0x08
88 #define DB9_GENESIS6_DELAY 14
89 #define DB9_REFRESH_TIME HZ/100
91 #define DB9_MAX_DEVICES 2
93 struct db9_mode_data {
104 struct input_dev *dev[DB9_MAX_DEVICES];
105 struct timer_list timer;
106 struct pardevice *pd;
111 char phys[DB9_MAX_DEVICES][32];
114 static struct db9 *db9_base[3];
116 static const short db9_multi_btn[] = { BTN_TRIGGER, BTN_THUMB };
117 static const short db9_genesis_btn[] = { BTN_START, BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_MODE };
118 static const short db9_cd32_btn[] = { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_TL, BTN_TR, BTN_START };
119 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 };
121 static const struct db9_mode_data db9_modes[] = {
122 { NULL, NULL, 0, 0, 0, 0, 0 },
123 { "Multisystem joystick", db9_multi_btn, 1, 1, 2, 1, 1 },
124 { "Multisystem joystick (2 fire)", db9_multi_btn, 2, 1, 2, 1, 1 },
125 { "Genesis pad", db9_genesis_btn, 4, 1, 2, 1, 1 },
126 { NULL, NULL, 0, 0, 0, 0, 0 },
127 { "Genesis 5 pad", db9_genesis_btn, 6, 1, 2, 1, 1 },
128 { "Genesis 6 pad", db9_genesis_btn, 8, 1, 2, 1, 1 },
129 { "Saturn pad", db9_cd32_btn, 9, 6, 7, 0, 1 },
130 { "Multisystem (0.8.0.2) joystick", db9_multi_btn, 1, 1, 2, 1, 1 },
131 { "Multisystem (0.8.0.2-dual) joystick", db9_multi_btn, 1, 2, 2, 1, 1 },
132 { "Amiga CD-32 pad", db9_cd32_btn, 7, 1, 2, 1, 1 },
133 { "Saturn dpp", db9_cd32_btn, 9, 6, 7, 0, 0 },
134 { "Saturn dpp dual", db9_cd32_btn, 9, 12, 7, 0, 0 },
140 #define DB9_SATURN_DELAY 300
141 static const int db9_saturn_byte[] = { 1, 1, 1, 2, 2, 2, 2, 2, 1 };
142 static const unsigned char db9_saturn_mask[] = { 0x04, 0x01, 0x02, 0x40, 0x20, 0x10, 0x08, 0x80, 0x08 };
145 * db9_saturn_write_sub() writes 2 bit data.
147 static void db9_saturn_write_sub(struct parport *port, int type, unsigned char data, int powered, int pwr_sub)
153 c = 0x80 | 0x30 | (powered ? 0x08 : 0) | (pwr_sub ? 0x04 : 0) | data;
154 parport_write_data(port, c);
157 c = 0x40 | data << 4 | (powered ? 0x08 : 0) | (pwr_sub ? 0x04 : 0) | 0x03;
158 parport_write_data(port, c);
161 c = ((((data & 2) ? 2 : 0) | ((data & 1) ? 4 : 0)) ^ 0x02) | !powered;
162 parport_write_control(port, c);
168 * gc_saturn_read_sub() reads 4 bit data.
170 static unsigned char db9_saturn_read_sub(struct parport *port, int type)
176 data = parport_read_status(port) ^ 0x80;
177 return (data & 0x80 ? 1 : 0) | (data & 0x40 ? 2 : 0)
178 | (data & 0x20 ? 4 : 0) | (data & 0x10 ? 8 : 0);
181 data = parport_read_data(port) & 0x0f;
182 return (data & 0x8 ? 1 : 0) | (data & 0x4 ? 2 : 0)
183 | (data & 0x2 ? 4 : 0) | (data & 0x1 ? 8 : 0);
188 * db9_saturn_read_analog() sends clock and reads 8 bit data.
190 static unsigned char db9_saturn_read_analog(struct parport *port, int type, int powered)
194 db9_saturn_write_sub(port, type, 0, powered, 0);
195 udelay(DB9_SATURN_DELAY);
196 data = db9_saturn_read_sub(port, type) << 4;
197 db9_saturn_write_sub(port, type, 2, powered, 0);
198 udelay(DB9_SATURN_DELAY);
199 data |= db9_saturn_read_sub(port, type);
204 * db9_saturn_read_packet() reads whole saturn packet at connector
205 * and returns device identifier code.
207 static unsigned char db9_saturn_read_packet(struct parport *port, unsigned char *data, int type, int powered)
212 db9_saturn_write_sub(port, type, 3, powered, 0);
213 data[0] = db9_saturn_read_sub(port, type);
214 switch (data[0] & 0x0f) {
217 return data[0] = 0xff;
218 case 0x4: case 0x4 | 0x8:
219 /* ?100 : digital controller */
220 db9_saturn_write_sub(port, type, 0, powered, 1);
221 data[2] = db9_saturn_read_sub(port, type) << 4;
222 db9_saturn_write_sub(port, type, 2, powered, 1);
223 data[1] = db9_saturn_read_sub(port, type) << 4;
224 db9_saturn_write_sub(port, type, 1, powered, 1);
225 data[1] |= db9_saturn_read_sub(port, type);
226 db9_saturn_write_sub(port, type, 3, powered, 1);
227 /* data[2] |= db9_saturn_read_sub(port, type); */
229 return data[0] = 0x02;
231 /* 0001 : analog controller or multitap */
232 db9_saturn_write_sub(port, type, 2, powered, 0);
233 udelay(DB9_SATURN_DELAY);
234 data[0] = db9_saturn_read_analog(port, type, powered);
235 if (data[0] != 0x41) {
236 /* read analog controller */
237 for (i = 0; i < (data[0] & 0x0f); i++)
238 data[i + 1] = db9_saturn_read_analog(port, type, powered);
239 db9_saturn_write_sub(port, type, 3, powered, 0);
243 if (db9_saturn_read_analog(port, type, powered) != 0x60)
244 return data[0] = 0xff;
245 for (i = 0; i < 60; i += 10) {
246 data[i] = db9_saturn_read_analog(port, type, powered);
249 for (j = 0; j < (data[i] & 0x0f); j++)
250 data[i + j + 1] = db9_saturn_read_analog(port, type, powered);
252 db9_saturn_write_sub(port, type, 3, powered, 0);
257 db9_saturn_write_sub(port, type, 2, powered, 0);
258 udelay(DB9_SATURN_DELAY);
259 tmp = db9_saturn_read_analog(port, type, powered);
261 for (i = 0; i < 3; i++)
262 data[i + 1] = db9_saturn_read_analog(port, type, powered);
263 db9_saturn_write_sub(port, type, 3, powered, 0);
264 return data[0] = 0xe3;
272 * db9_saturn_report() analyzes packet and reports.
274 static int db9_saturn_report(unsigned char id, unsigned char data[60], struct input_dev *devs[], int n, int max_pads)
276 struct input_dev *dev;
279 tmp = (id == 0x41) ? 60 : 10;
280 for (j = 0; j < tmp && n < max_pads; j += 10, n++) {
283 case 0x16: /* multi controller (analog 4 axis) */
284 input_report_abs(dev, db9_abs[5], data[j + 6]);
285 case 0x15: /* mission stick (analog 3 axis) */
286 input_report_abs(dev, db9_abs[3], data[j + 4]);
287 input_report_abs(dev, db9_abs[4], data[j + 5]);
288 case 0x13: /* racing controller (analog 1 axis) */
289 input_report_abs(dev, db9_abs[2], data[j + 3]);
290 case 0x34: /* saturn keyboard (udlr ZXC ASD QE Esc) */
291 case 0x02: /* digital pad (digital 2 axis + buttons) */
292 input_report_abs(dev, db9_abs[0], !(data[j + 1] & 128) - !(data[j + 1] & 64));
293 input_report_abs(dev, db9_abs[1], !(data[j + 1] & 32) - !(data[j + 1] & 16));
294 for (i = 0; i < 9; i++)
295 input_report_key(dev, db9_cd32_btn[i], ~data[j + db9_saturn_byte[i]] & db9_saturn_mask[i]);
297 case 0x19: /* mission stick x2 (analog 6 axis + buttons) */
298 input_report_abs(dev, db9_abs[0], !(data[j + 1] & 128) - !(data[j + 1] & 64));
299 input_report_abs(dev, db9_abs[1], !(data[j + 1] & 32) - !(data[j + 1] & 16));
300 for (i = 0; i < 9; i++)
301 input_report_key(dev, db9_cd32_btn[i], ~data[j + db9_saturn_byte[i]] & db9_saturn_mask[i]);
302 input_report_abs(dev, db9_abs[2], data[j + 3]);
303 input_report_abs(dev, db9_abs[3], data[j + 4]);
304 input_report_abs(dev, db9_abs[4], data[j + 5]);
306 input_report_abs(dev, db9_abs[8], (data[j + 6] & 128 ? 0 : 1) - (data[j + 6] & 64 ? 0 : 1));
307 input_report_abs(dev, db9_abs[9], (data[j + 6] & 32 ? 0 : 1) - (data[j + 6] & 16 ? 0 : 1));
309 input_report_abs(dev, db9_abs[6], data[j + 7]);
310 input_report_abs(dev, db9_abs[7], data[j + 8]);
311 input_report_abs(dev, db9_abs[5], data[j + 9]);
313 case 0xd3: /* sankyo ff (analog 1 axis + stop btn) */
314 input_report_key(dev, BTN_A, data[j + 3] & 0x80);
315 input_report_abs(dev, db9_abs[2], data[j + 3] & 0x7f);
317 case 0xe3: /* shuttle mouse (analog 2 axis + buttons. signed value) */
318 input_report_key(dev, BTN_START, data[j + 1] & 0x08);
319 input_report_key(dev, BTN_A, data[j + 1] & 0x04);
320 input_report_key(dev, BTN_C, data[j + 1] & 0x02);
321 input_report_key(dev, BTN_B, data[j + 1] & 0x01);
322 input_report_abs(dev, db9_abs[2], data[j + 2] ^ 0x80);
323 input_report_abs(dev, db9_abs[3], (0xff-(data[j + 3] ^ 0x80))+1); /* */
326 default: /* no pad */
327 input_report_abs(dev, db9_abs[0], 0);
328 input_report_abs(dev, db9_abs[1], 0);
329 for (i = 0; i < 9; i++)
330 input_report_key(dev, db9_cd32_btn[i], 0);
337 static int db9_saturn(int mode, struct parport *port, struct input_dev *devs[])
339 unsigned char id, data[60];
340 int type, n, max_pads;
352 case DB9_SATURN_DPP_2:
359 max_pads = min(db9_modes[mode].n_pads, DB9_MAX_DEVICES);
360 for (tmp = 0, i = 0; i < n; i++) {
361 id = db9_saturn_read_packet(port, data, type + i, 1);
362 tmp = db9_saturn_report(id, data, devs, tmp, max_pads);
367 static void db9_timer(unsigned long private)
369 struct db9 *db9 = (void *) private;
370 struct parport *port = db9->pd->port;
371 struct input_dev *dev = db9->dev[0];
372 struct input_dev *dev2 = db9->dev[1];
376 case DB9_MULTI_0802_2:
378 data = parport_read_data(port) >> 3;
380 input_report_abs(dev2, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1));
381 input_report_abs(dev2, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1));
382 input_report_key(dev2, BTN_TRIGGER, ~data & DB9_FIRE1);
386 data = parport_read_status(port) >> 3;
388 input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1));
389 input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1));
390 input_report_key(dev, BTN_TRIGGER, data & DB9_FIRE1);
393 case DB9_MULTI_STICK:
395 data = parport_read_data(port);
397 input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1));
398 input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1));
399 input_report_key(dev, BTN_TRIGGER, ~data & DB9_FIRE1);
402 case DB9_MULTI2_STICK:
404 data = parport_read_data(port);
406 input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1));
407 input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1));
408 input_report_key(dev, BTN_TRIGGER, ~data & DB9_FIRE1);
409 input_report_key(dev, BTN_THUMB, ~data & DB9_FIRE2);
412 case DB9_GENESIS_PAD:
414 parport_write_control(port, DB9_NOSELECT);
415 data = parport_read_data(port);
417 input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1));
418 input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1));
419 input_report_key(dev, BTN_B, ~data & DB9_FIRE1);
420 input_report_key(dev, BTN_C, ~data & DB9_FIRE2);
422 parport_write_control(port, DB9_NORMAL);
423 data = parport_read_data(port);
425 input_report_key(dev, BTN_A, ~data & DB9_FIRE1);
426 input_report_key(dev, BTN_START, ~data & DB9_FIRE2);
429 case DB9_GENESIS5_PAD:
431 parport_write_control(port, DB9_NOSELECT);
432 data = parport_read_data(port);
434 input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1));
435 input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1));
436 input_report_key(dev, BTN_B, ~data & DB9_FIRE1);
437 input_report_key(dev, BTN_C, ~data & DB9_FIRE2);
439 parport_write_control(port, DB9_NORMAL);
440 data = parport_read_data(port);
442 input_report_key(dev, BTN_A, ~data & DB9_FIRE1);
443 input_report_key(dev, BTN_X, ~data & DB9_FIRE2);
444 input_report_key(dev, BTN_Y, ~data & DB9_LEFT);
445 input_report_key(dev, BTN_START, ~data & DB9_RIGHT);
448 case DB9_GENESIS6_PAD:
450 parport_write_control(port, DB9_NOSELECT); /* 1 */
451 udelay(DB9_GENESIS6_DELAY);
452 data = parport_read_data(port);
454 input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1));
455 input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1));
456 input_report_key(dev, BTN_B, ~data & DB9_FIRE1);
457 input_report_key(dev, BTN_C, ~data & DB9_FIRE2);
459 parport_write_control(port, DB9_NORMAL);
460 udelay(DB9_GENESIS6_DELAY);
461 data = parport_read_data(port);
463 input_report_key(dev, BTN_A, ~data & DB9_FIRE1);
464 input_report_key(dev, BTN_START, ~data & DB9_FIRE2);
466 parport_write_control(port, DB9_NOSELECT); /* 2 */
467 udelay(DB9_GENESIS6_DELAY);
468 parport_write_control(port, DB9_NORMAL);
469 udelay(DB9_GENESIS6_DELAY);
470 parport_write_control(port, DB9_NOSELECT); /* 3 */
471 udelay(DB9_GENESIS6_DELAY);
472 data=parport_read_data(port);
474 input_report_key(dev, BTN_X, ~data & DB9_LEFT);
475 input_report_key(dev, BTN_Y, ~data & DB9_DOWN);
476 input_report_key(dev, BTN_Z, ~data & DB9_UP);
477 input_report_key(dev, BTN_MODE, ~data & DB9_RIGHT);
479 parport_write_control(port, DB9_NORMAL);
480 udelay(DB9_GENESIS6_DELAY);
481 parport_write_control(port, DB9_NOSELECT); /* 4 */
482 udelay(DB9_GENESIS6_DELAY);
483 parport_write_control(port, DB9_NORMAL);
488 case DB9_SATURN_DPP_2:
490 db9_saturn(db9->mode, port, db9->dev);
495 data = parport_read_data(port);
497 input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1));
498 input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1));
500 parport_write_control(port, 0x0a);
502 for (i = 0; i < 7; i++) {
503 data = parport_read_data(port);
504 parport_write_control(port, 0x02);
505 parport_write_control(port, 0x0a);
506 input_report_key(dev, db9_cd32_btn[i], ~data & DB9_FIRE2);
509 parport_write_control(port, 0x00);
515 mod_timer(&db9->timer, jiffies + DB9_REFRESH_TIME);
518 static int db9_open(struct input_dev *dev)
520 struct db9 *db9 = input_get_drvdata(dev);
521 struct parport *port = db9->pd->port;
524 err = mutex_lock_interruptible(&db9->mutex);
529 parport_claim(db9->pd);
530 parport_write_data(port, 0xff);
531 if (db9_modes[db9->mode].reverse) {
532 parport_data_reverse(port);
533 parport_write_control(port, DB9_NORMAL);
535 mod_timer(&db9->timer, jiffies + DB9_REFRESH_TIME);
538 mutex_unlock(&db9->mutex);
542 static void db9_close(struct input_dev *dev)
544 struct db9 *db9 = input_get_drvdata(dev);
545 struct parport *port = db9->pd->port;
547 mutex_lock(&db9->mutex);
549 del_timer_sync(&db9->timer);
550 parport_write_control(port, 0x00);
551 parport_data_forward(port);
552 parport_release(db9->pd);
554 mutex_unlock(&db9->mutex);
557 static void db9_attach(struct parport *pp)
560 const struct db9_mode_data *db9_mode;
561 struct pardevice *pd;
562 struct input_dev *input_dev;
565 struct pardev_cb db9_parport_cb;
567 for (port_idx = 0; port_idx < DB9_MAX_PORTS; port_idx++) {
568 if (db9_cfg[port_idx].nargs == 0 ||
569 db9_cfg[port_idx].args[DB9_ARG_PARPORT] < 0)
572 if (db9_cfg[port_idx].args[DB9_ARG_PARPORT] == pp->number)
576 if (port_idx == DB9_MAX_PORTS) {
577 pr_debug("Not using parport%d.\n", pp->number);
581 mode = db9_cfg[port_idx].args[DB9_ARG_MODE];
583 if (mode < 1 || mode >= DB9_MAX_PAD || !db9_modes[mode].n_buttons) {
584 printk(KERN_ERR "db9.c: Bad device type %d\n", mode);
588 db9_mode = &db9_modes[mode];
590 if (db9_mode->bidirectional && !(pp->modes & PARPORT_MODE_TRISTATE)) {
591 printk(KERN_ERR "db9.c: specified parport is not bidirectional\n");
595 db9_parport_cb.flags = PARPORT_FLAG_EXCL;
597 pd = parport_register_dev_model(pp, "db9", &db9_parport_cb, port_idx);
599 printk(KERN_ERR "db9.c: parport busy already - lp.o loaded?\n");
603 db9 = kzalloc(sizeof(struct db9), GFP_KERNEL);
605 goto err_unreg_pardev;
607 mutex_init(&db9->mutex);
610 db9->parportno = pp->number;
611 init_timer(&db9->timer);
612 db9->timer.data = (long) db9;
613 db9->timer.function = db9_timer;
615 for (i = 0; i < (min(db9_mode->n_pads, DB9_MAX_DEVICES)); i++) {
617 db9->dev[i] = input_dev = input_allocate_device();
619 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;
633 input_set_drvdata(input_dev, db9);
635 input_dev->open = db9_open;
636 input_dev->close = db9_close;
638 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
639 for (j = 0; j < db9_mode->n_buttons; j++)
640 set_bit(db9_mode->buttons[j], input_dev->keybit);
641 for (j = 0; j < db9_mode->n_axis; j++) {
643 input_set_abs_params(input_dev, db9_abs[j], -1, 1, 0, 0);
645 input_set_abs_params(input_dev, db9_abs[j], 1, 255, 0, 0);
648 if (input_register_device(input_dev))
652 db9_base[port_idx] = db9;
656 input_free_device(db9->dev[i]);
659 input_unregister_device(db9->dev[i]);
662 parport_unregister_device(pd);
665 static void db9_detach(struct parport *port)
670 for (i = 0; i < DB9_MAX_PORTS; i++) {
671 if (db9_base[i] && db9_base[i]->parportno == port->number)
675 if (i == DB9_MAX_PORTS)
681 for (i = 0; i < min(db9_modes[db9->mode].n_pads, DB9_MAX_DEVICES); i++)
682 input_unregister_device(db9->dev[i]);
683 parport_unregister_device(db9->pd);
687 static struct parport_driver db9_parport_driver = {
689 .match_port = db9_attach,
690 .detach = db9_detach,
694 static int __init db9_init(void)
699 for (i = 0; i < DB9_MAX_PORTS; i++) {
700 if (db9_cfg[i].nargs == 0 || db9_cfg[i].args[DB9_ARG_PARPORT] < 0)
703 if (db9_cfg[i].nargs < 2) {
704 printk(KERN_ERR "db9.c: Device type must be specified.\n");
714 return parport_register_driver(&db9_parport_driver);
717 static void __exit db9_exit(void)
719 parport_unregister_driver(&db9_parport_driver);
722 module_init(db9_init);
723 module_exit(db9_exit);