?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
[IPX]: Fix build error in ipx_recvmsg()
[linux-2.6/verdex.git] / drivers / input / joystick / gamecon.c
blob95bbdd302aad8639bacc4817e6f49b472e749211
1 /*
2 * NES, SNES, N64, MultiSystem, PSX gamepad driver for Linux
3 *
4 * Copyright (c) 1999-2004 Vojtech Pavlik <vojtech@suse.cz>
5 * Copyright (c) 2004 Peter Nelson <rufus-kernel@hackish.org>
6 *
7 * Based on the work of:
8 * Andree Borrmann John Dahlstrom
9 * David Kuder Nathan Hand
10 */
11
12 /*
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.
17 *
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.
22 *
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
26 *
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
30 */
31
32 #include <linux/kernel.h>
33 #include <linux/delay.h>
34 #include <linux/module.h>
35 #include <linux/moduleparam.h>
36 #include <linux/init.h>
37 #include <linux/parport.h>
38 #include <linux/input.h>
39
40 MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
41 MODULE_DESCRIPTION("NES, SNES, N64, MultiSystem, PSX gamepad driver");
42 MODULE_LICENSE("GPL");
43
44 static int gc[] __initdata = { -1, 0, 0, 0, 0, 0 };
45 static int gc_nargs __initdata = 0;
46 module_param_array_named(map, gc, int, &gc_nargs, 0);
47 MODULE_PARM_DESC(map, "Describers first set of devices (<parport#>,<pad1>,<pad2>,..<pad5>)");
48
49 static int gc_2[] __initdata = { -1, 0, 0, 0, 0, 0 };
50 static int gc_nargs_2 __initdata = 0;
51 module_param_array_named(map2, gc_2, int, &gc_nargs_2, 0);
52 MODULE_PARM_DESC(map2, "Describers second set of devices");
53
54 static int gc_3[] __initdata = { -1, 0, 0, 0, 0, 0 };
55 static int gc_nargs_3 __initdata = 0;
56 module_param_array_named(map3, gc_3, int, &gc_nargs_3, 0);
57 MODULE_PARM_DESC(map3, "Describers third set of devices");
58
59 __obsolete_setup("gc=");
60 __obsolete_setup("gc_2=");
61 __obsolete_setup("gc_3=");
62
63 /* see also gs_psx_delay parameter in PSX support section */
64
65 #define GC_SNES 1
66 #define GC_NES 2
67 #define GC_NES4 3
68 #define GC_MULTI 4
69 #define GC_MULTI2 5
70 #define GC_N64 6
71 #define GC_PSX 7
72 #define GC_DDR 8
73
74 #define GC_MAX 8
75
76 #define GC_REFRESH_TIME HZ/100
77
78 struct gc {
79 struct pardevice *pd;
80 struct input_dev dev[5];
81 struct timer_list timer;
82 unsigned char pads[GC_MAX + 1];
83 int used;
84 struct semaphore sem;
85 char phys[5][32];
86 };
87
88 static struct gc *gc_base[3];
89
90 static int gc_status_bit[] = { 0x40, 0x80, 0x20, 0x10, 0x08 };
91
92 static char *gc_names[] = { NULL, "SNES pad", "NES pad", "NES FourPort", "Multisystem joystick",
93 "Multisystem 2-button joystick", "N64 controller", "PSX controller",
94 "PSX DDR controller" };
95 /*
96 * N64 support.
97 */
98
99 static unsigned char gc_n64_bytes[] = { 0, 1, 13, 15, 14, 12, 10, 11, 2, 3 };
100 static short gc_n64_btn[] = { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_TL, BTN_TR, BTN_TRIGGER, BTN_START };
101
102 #define GC_N64_LENGTH 32 /* N64 bit length, not including stop bit */
103 #define GC_N64_REQUEST_LENGTH 37 /* transmit request sequence is 9 bits long */
104 #define GC_N64_DELAY 133 /* delay between transmit request, and response ready (us) */
105 #define GC_N64_REQUEST 0x1dd1111111ULL /* the request data command (encoded for 000000011) */
106 #define GC_N64_DWS 3 /* delay between write segments (required for sound playback because of ISA DMA) */
107 /* GC_N64_DWS > 24 is known to fail */
108 #define GC_N64_POWER_W 0xe2 /* power during write (transmit request) */
109 #define GC_N64_POWER_R 0xfd /* power during read */
110 #define GC_N64_OUT 0x1d /* output bits to the 4 pads */
111 /* Reading the main axes of any N64 pad is known to fail if the corresponding bit */
112 /* in GC_N64_OUT is pulled low on the output port (by any routine) for more */
113 /* than 123 us */
114 #define GC_N64_CLOCK 0x02 /* clock bits for read */
115
116 /*
117 * gc_n64_read_packet() reads an N64 packet.
118 * Each pad uses one bit per byte. So all pads connected to this port are read in parallel.
119 */
120
121 static void gc_n64_read_packet(struct gc *gc, unsigned char *data)
122 {
123 int i;
124 unsigned long flags;
125
126 /*
127 * Request the pad to transmit data
128 */
129
130 local_irq_save(flags);
131 for (i = 0; i < GC_N64_REQUEST_LENGTH; i++) {
132 parport_write_data(gc->pd->port, GC_N64_POWER_W | ((GC_N64_REQUEST >> i) & 1 ? GC_N64_OUT : 0));
133 udelay(GC_N64_DWS);
134 }
135 local_irq_restore(flags);
136
137 /*
138 * Wait for the pad response to be loaded into the 33-bit register of the adapter
139 */
140
141 udelay(GC_N64_DELAY);
142
143 /*
144 * Grab data (ignoring the last bit, which is a stop bit)
145 */
146
147 for (i = 0; i < GC_N64_LENGTH; i++) {
148 parport_write_data(gc->pd->port, GC_N64_POWER_R);
149 data[i] = parport_read_status(gc->pd->port);
150 parport_write_data(gc->pd->port, GC_N64_POWER_R | GC_N64_CLOCK);
151 }
152
153 /*
154 * We must wait 200 ms here for the controller to reinitialize before the next read request.
155 * No worries as long as gc_read is polled less frequently than this.
156 */
157
158 }
159
160 /*
161 * NES/SNES support.
162 */
163
164 #define GC_NES_DELAY 6 /* Delay between bits - 6us */
165 #define GC_NES_LENGTH 8 /* The NES pads use 8 bits of data */
166 #define GC_SNES_LENGTH 12 /* The SNES true length is 16, but the last 4 bits are unused */
167
168 #define GC_NES_POWER 0xfc
169 #define GC_NES_CLOCK 0x01
170 #define GC_NES_LATCH 0x02
171
172 static unsigned char gc_nes_bytes[] = { 0, 1, 2, 3 };
173 static unsigned char gc_snes_bytes[] = { 8, 0, 2, 3, 9, 1, 10, 11 };
174 static short gc_snes_btn[] = { BTN_A, BTN_B, BTN_SELECT, BTN_START, BTN_X, BTN_Y, BTN_TL, BTN_TR };
175
176 /*
177 * gc_nes_read_packet() reads a NES/SNES packet.
178 * Each pad uses one bit per byte. So all pads connected to
179 * this port are read in parallel.
180 */
181
182 static void gc_nes_read_packet(struct gc *gc, int length, unsigned char *data)
183 {
184 int i;
185
186 parport_write_data(gc->pd->port, GC_NES_POWER | GC_NES_CLOCK | GC_NES_LATCH);
187 udelay(GC_NES_DELAY * 2);
188 parport_write_data(gc->pd->port, GC_NES_POWER | GC_NES_CLOCK);
189
190 for (i = 0; i < length; i++) {
191 udelay(GC_NES_DELAY);
192 parport_write_data(gc->pd->port, GC_NES_POWER);
193 data[i] = parport_read_status(gc->pd->port) ^ 0x7f;
194 udelay(GC_NES_DELAY);
195 parport_write_data(gc->pd->port, GC_NES_POWER | GC_NES_CLOCK);
196 }
197 }
198
199 /*
200 * Multisystem joystick support
201 */
202
203 #define GC_MULTI_LENGTH 5 /* Multi system joystick packet length is 5 */
204 #define GC_MULTI2_LENGTH 6 /* One more bit for one more button */
205
206 /*
207 * gc_multi_read_packet() reads a Multisystem joystick packet.
208 */
209
210 static void gc_multi_read_packet(struct gc *gc, int length, unsigned char *data)
211 {
212 int i;
213
214 for (i = 0; i < length; i++) {
215 parport_write_data(gc->pd->port, ~(1 << i));
216 data[i] = parport_read_status(gc->pd->port) ^ 0x7f;
217 }
218 }
219
220 /*
221 * PSX support
222 *
223 * See documentation at:
224 * http://www.dim.com/~mackys/psxmemcard/ps-eng2.txt
225 * http://www.gamesx.com/controldata/psxcont/psxcont.htm
226 * ftp://milano.usal.es/pablo/
227 *
228 */
229
230 #define GC_PSX_DELAY 25 /* 25 usec */
231 #define GC_PSX_LENGTH 8 /* talk to the controller in bits */
232 #define GC_PSX_BYTES 6 /* the maximum number of bytes to read off the controller */
233
234 #define GC_PSX_MOUSE 1 /* Mouse */
235 #define GC_PSX_NEGCON 2 /* NegCon */
236 #define GC_PSX_NORMAL 4 /* Digital / Analog or Rumble in Digital mode */
237 #define GC_PSX_ANALOG 5 /* Analog in Analog mode / Rumble in Green mode */
238 #define GC_PSX_RUMBLE 7 /* Rumble in Red mode */
239
240 #define GC_PSX_CLOCK 0x04 /* Pin 4 */
241 #define GC_PSX_COMMAND 0x01 /* Pin 2 */
242 #define GC_PSX_POWER 0xf8 /* Pins 5-9 */
243 #define GC_PSX_SELECT 0x02 /* Pin 3 */
244
245 #define GC_PSX_ID(x) ((x) >> 4) /* High nibble is device type */
246 #define GC_PSX_LEN(x) (((x) & 0xf) << 1) /* Low nibble is length in bytes/2 */
247
248 static int gc_psx_delay = GC_PSX_DELAY;
249 module_param_named(psx_delay, gc_psx_delay, uint, 0);
250 MODULE_PARM_DESC(psx_delay, "Delay when accessing Sony PSX controller (usecs)");
251
252 __obsolete_setup("gc_psx_delay=");
253
254 static short gc_psx_abs[] = { ABS_X, ABS_Y, ABS_RX, ABS_RY, ABS_HAT0X, ABS_HAT0Y };
255 static short gc_psx_btn[] = { BTN_TL, BTN_TR, BTN_TL2, BTN_TR2, BTN_A, BTN_B, BTN_X, BTN_Y,
256 BTN_START, BTN_SELECT, BTN_THUMBL, BTN_THUMBR };
257 static short gc_psx_ddr_btn[] = { BTN_0, BTN_1, BTN_2, BTN_3 };
258
259 /*
260 * gc_psx_command() writes 8bit command and reads 8bit data from
261 * the psx pad.
262 */
263
264 static void gc_psx_command(struct gc *gc, int b, unsigned char data[5])
265 {
266 int i, j, cmd, read;
267 for (i = 0; i < 5; i++)
268 data[i] = 0;
269
270 for (i = 0; i < GC_PSX_LENGTH; i++, b >>= 1) {
271 cmd = (b & 1) ? GC_PSX_COMMAND : 0;
272 parport_write_data(gc->pd->port, cmd | GC_PSX_POWER);
273 udelay(gc_psx_delay);
274 read = parport_read_status(gc->pd->port) ^ 0x80;
275 for (j = 0; j < 5; j++)
276 data[j] |= (read & gc_status_bit[j] & (gc->pads[GC_PSX] | gc->pads[GC_DDR])) ? (1 << i) : 0;
277 parport_write_data(gc->pd->port, cmd | GC_PSX_CLOCK | GC_PSX_POWER);
278 udelay(gc_psx_delay);
279 }
280 }
281
282 /*
283 * gc_psx_read_packet() reads a whole psx packet and returns
284 * device identifier code.
285 */
286
287 static void gc_psx_read_packet(struct gc *gc, unsigned char data[5][GC_PSX_BYTES], unsigned char id[5])
288 {
289 int i, j, max_len = 0;
290 unsigned long flags;
291 unsigned char data2[5];
292
293 parport_write_data(gc->pd->port, GC_PSX_CLOCK | GC_PSX_SELECT | GC_PSX_POWER); /* Select pad */
294 udelay(gc_psx_delay);
295 parport_write_data(gc->pd->port, GC_PSX_CLOCK | GC_PSX_POWER); /* Deselect, begin command */
296 udelay(gc_psx_delay);
297
298 local_irq_save(flags);
299
300 gc_psx_command(gc, 0x01, data2); /* Access pad */
301 gc_psx_command(gc, 0x42, id); /* Get device ids */
302 gc_psx_command(gc, 0, data2); /* Dump status */
303
304 for (i =0; i < 5; i++) /* Find the longest pad */
305 if((gc_status_bit[i] & (gc->pads[GC_PSX] | gc->pads[GC_DDR]))
306 && (GC_PSX_LEN(id[i]) > max_len)
307 && (GC_PSX_LEN(id[i]) <= GC_PSX_BYTES))
308 max_len = GC_PSX_LEN(id[i]);
309
310 for (i = 0; i < max_len; i++) { /* Read in all the data */
311 gc_psx_command(gc, 0, data2);
312 for (j = 0; j < 5; j++)
313 data[j][i] = data2[j];
314 }
315
316 local_irq_restore(flags);
317
318 parport_write_data(gc->pd->port, GC_PSX_CLOCK | GC_PSX_SELECT | GC_PSX_POWER);
319
320 for(i = 0; i < 5; i++) /* Set id's to the real value */
321 id[i] = GC_PSX_ID(id[i]);
322 }
323
324 /*
325 * gc_timer() reads and analyzes console pads data.
326 */
327
328 #define GC_MAX_LENGTH GC_N64_LENGTH
329
330 static void gc_timer(unsigned long private)
331 {
332 struct gc *gc = (void *) private;
333 struct input_dev *dev = gc->dev;
334 unsigned char data[GC_MAX_LENGTH];
335 unsigned char data_psx[5][GC_PSX_BYTES];
336 int i, j, s;
337
338 /*
339 * N64 pads - must be read first, any read confuses them for 200 us
340 */
341
342 if (gc->pads[GC_N64]) {
343
344 gc_n64_read_packet(gc, data);
345
346 for (i = 0; i < 5; i++) {
347
348 s = gc_status_bit[i];
349
350 if (s & gc->pads[GC_N64] & ~(data[8] | data[9])) {
351
352 signed char axes[2];
353 axes[0] = axes[1] = 0;
354
355 for (j = 0; j < 8; j++) {
356 if (data[23 - j] & s) axes[0] |= 1 << j;
357 if (data[31 - j] & s) axes[1] |= 1 << j;
358 }
359
360 input_report_abs(dev + i, ABS_X, axes[0]);
361 input_report_abs(dev + i, ABS_Y, -axes[1]);
362
363 input_report_abs(dev + i, ABS_HAT0X, !(s & data[6]) - !(s & data[7]));
364 input_report_abs(dev + i, ABS_HAT0Y, !(s & data[4]) - !(s & data[5]));
365
366 for (j = 0; j < 10; j++)
367 input_report_key(dev + i, gc_n64_btn[j], s & data[gc_n64_bytes[j]]);
368
369 input_sync(dev + i);
370 }
371 }
372 }
373
374 /*
375 * NES and SNES pads
376 */
377
378 if (gc->pads[GC_NES] || gc->pads[GC_SNES]) {
379
380 gc_nes_read_packet(gc, gc->pads[GC_SNES] ? GC_SNES_LENGTH : GC_NES_LENGTH, data);
381
382 for (i = 0; i < 5; i++) {
383
384 s = gc_status_bit[i];
385
386 if (s & (gc->pads[GC_NES] | gc->pads[GC_SNES])) {
387 input_report_abs(dev + i, ABS_X, !(s & data[6]) - !(s & data[7]));
388 input_report_abs(dev + i, ABS_Y, !(s & data[4]) - !(s & data[5]));
389 }
390
391 if (s & gc->pads[GC_NES])
392 for (j = 0; j < 4; j++)
393 input_report_key(dev + i, gc_snes_btn[j], s & data[gc_nes_bytes[j]]);
394
395 if (s & gc->pads[GC_SNES])
396 for (j = 0; j < 8; j++)
397 input_report_key(dev + i, gc_snes_btn[j], s & data[gc_snes_bytes[j]]);
398
399 input_sync(dev + i);
400 }
401 }
402
403 /*
404 * Multi and Multi2 joysticks
405 */
406
407 if (gc->pads[GC_MULTI] || gc->pads[GC_MULTI2]) {
408
409 gc_multi_read_packet(gc, gc->pads[GC_MULTI2] ? GC_MULTI2_LENGTH : GC_MULTI_LENGTH, data);
410
411 for (i = 0; i < 5; i++) {
412
413 s = gc_status_bit[i];
414
415 if (s & (gc->pads[GC_MULTI] | gc->pads[GC_MULTI2])) {
416 input_report_abs(dev + i, ABS_X, !(s & data[2]) - !(s & data[3]));
417 input_report_abs(dev + i, ABS_Y, !(s & data[0]) - !(s & data[1]));
418 input_report_key(dev + i, BTN_TRIGGER, s & data[4]);
419 }
420
421 if (s & gc->pads[GC_MULTI2])
422 input_report_key(dev + i, BTN_THUMB, s & data[5]);
423
424 input_sync(dev + i);
425 }
426 }
427
428 /*
429 * PSX controllers
430 */
431
432 if (gc->pads[GC_PSX] || gc->pads[GC_DDR]) {
433
434 gc_psx_read_packet(gc, data_psx, data);
435
436 for (i = 0; i < 5; i++) {
437 switch (data[i]) {
438
439 case GC_PSX_RUMBLE:
440
441 input_report_key(dev + i, BTN_THUMBL, ~data_psx[i][0] & 0x04);
442 input_report_key(dev + i, BTN_THUMBR, ~data_psx[i][0] & 0x02);
443
444 case GC_PSX_NEGCON:
445 case GC_PSX_ANALOG:
446
447 if(gc->pads[GC_DDR] & gc_status_bit[i]) {
448 for(j = 0; j < 4; j++)
449 input_report_key(dev + i, gc_psx_ddr_btn[j], ~data_psx[i][0] & (0x10 << j));
450 } else {
451 for (j = 0; j < 4; j++)
452 input_report_abs(dev + i, gc_psx_abs[j+2], data_psx[i][j + 2]);
453
454 input_report_abs(dev + i, ABS_X, 128 + !(data_psx[i][0] & 0x20) * 127 - !(data_psx[i][0] & 0x80) * 128);
455 input_report_abs(dev + i, ABS_Y, 128 + !(data_psx[i][0] & 0x40) * 127 - !(data_psx[i][0] & 0x10) * 128);
456 }
457
458 for (j = 0; j < 8; j++)
459 input_report_key(dev + i, gc_psx_btn[j], ~data_psx[i][1] & (1 << j));
460
461 input_report_key(dev + i, BTN_START, ~data_psx[i][0] & 0x08);
462 input_report_key(dev + i, BTN_SELECT, ~data_psx[i][0] & 0x01);
463
464 input_sync(dev + i);
465
466 break;
467
468 case GC_PSX_NORMAL:
469 if(gc->pads[GC_DDR] & gc_status_bit[i]) {
470 for(j = 0; j < 4; j++)
471 input_report_key(dev + i, gc_psx_ddr_btn[j], ~data_psx[i][0] & (0x10 << j));
472 } else {
473 input_report_abs(dev + i, ABS_X, 128 + !(data_psx[i][0] & 0x20) * 127 - !(data_psx[i][0] & 0x80) * 128);
474 input_report_abs(dev + i, ABS_Y, 128 + !(data_psx[i][0] & 0x40) * 127 - !(data_psx[i][0] & 0x10) * 128);
475
476 /* for some reason if the extra axes are left unset they drift */
477 /* for (j = 0; j < 4; j++)
478 input_report_abs(dev + i, gc_psx_abs[j+2], 128);
479 * This needs to be debugged properly,
480 * maybe fuzz processing needs to be done in input_sync()
481 * --vojtech
482 */
483 }
484
485 for (j = 0; j < 8; j++)
486 input_report_key(dev + i, gc_psx_btn[j], ~data_psx[i][1] & (1 << j));
487
488 input_report_key(dev + i, BTN_START, ~data_psx[i][0] & 0x08);
489 input_report_key(dev + i, BTN_SELECT, ~data_psx[i][0] & 0x01);
490
491 input_sync(dev + i);
492
493 break;
494
495 case 0: /* not a pad, ignore */
496 break;
497 }
498 }
499 }
500
501 mod_timer(&gc->timer, jiffies + GC_REFRESH_TIME);
502 }
503
504 static int gc_open(struct input_dev *dev)
505 {
506 struct gc *gc = dev->private;
507 int err;
508
509 err = down_interruptible(&gc->sem);
510 if (err)
511 return err;
512
513 if (!gc->used++) {
514 parport_claim(gc->pd);
515 parport_write_control(gc->pd->port, 0x04);
516 mod_timer(&gc->timer, jiffies + GC_REFRESH_TIME);
517 }
518
519 up(&gc->sem);
520 return 0;
521 }
522
523 static void gc_close(struct input_dev *dev)
524 {
525 struct gc *gc = dev->private;
526
527 down(&gc->sem);
528 if (!--gc->used) {
529 del_timer_sync(&gc->timer);
530 parport_write_control(gc->pd->port, 0x00);
531 parport_release(gc->pd);
532 }
533 up(&gc->sem);
534 }
535
536 static struct gc __init *gc_probe(int *config, int nargs)
537 {
538 struct gc *gc;
539 struct parport *pp;
540 int i, j;
541
542 if (config[0] < 0)
543 return NULL;
544
545 if (nargs < 2) {
546 printk(KERN_ERR "gamecon.c: at least one device must be specified\n");
547 return NULL;
548 }
549
550 pp = parport_find_number(config[0]);
551
552 if (!pp) {
553 printk(KERN_ERR "gamecon.c: no such parport\n");
554 return NULL;
555 }
556
557 if (!(gc = kcalloc(1, sizeof(struct gc), GFP_KERNEL))) {
558 parport_put_port(pp);
559 return NULL;
560 }
561
562 init_MUTEX(&gc->sem);
563
564 gc->pd = parport_register_device(pp, "gamecon", NULL, NULL, NULL, PARPORT_DEV_EXCL, NULL);
565
566 parport_put_port(pp);
567
568 if (!gc->pd) {
569 printk(KERN_ERR "gamecon.c: parport busy already - lp.o loaded?\n");
570 kfree(gc);
571 return NULL;
572 }
573
574 parport_claim(gc->pd);
575
576 init_timer(&gc->timer);
577 gc->timer.data = (long) gc;
578 gc->timer.function = gc_timer;
579
580 for (i = 0; i < nargs - 1; i++) {
581
582 if (!config[i + 1])
583 continue;
584
585 if (config[i + 1] < 1 || config[i + 1] > GC_MAX) {
586 printk(KERN_WARNING "gamecon.c: Pad type %d unknown\n", config[i + 1]);
587 continue;
588 }
589
590 gc->dev[i].private = gc;
591 gc->dev[i].open = gc_open;
592 gc->dev[i].close = gc_close;
593
594 gc->dev[i].evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
595
596 for (j = 0; j < 2; j++) {
597 set_bit(ABS_X + j, gc->dev[i].absbit);
598 gc->dev[i].absmin[ABS_X + j] = -1;
599 gc->dev[i].absmax[ABS_X + j] = 1;
600 }
601
602 gc->pads[0] |= gc_status_bit[i];
603 gc->pads[config[i + 1]] |= gc_status_bit[i];
604
605 switch(config[i + 1]) {
606
607 case GC_N64:
608 for (j = 0; j < 10; j++)
609 set_bit(gc_n64_btn[j], gc->dev[i].keybit);
610
611 for (j = 0; j < 2; j++) {
612 set_bit(ABS_X + j, gc->dev[i].absbit);
613 gc->dev[i].absmin[ABS_X + j] = -127;
614 gc->dev[i].absmax[ABS_X + j] = 126;
615 gc->dev[i].absflat[ABS_X + j] = 2;
616 set_bit(ABS_HAT0X + j, gc->dev[i].absbit);
617 gc->dev[i].absmin[ABS_HAT0X + j] = -1;
618 gc->dev[i].absmax[ABS_HAT0X + j] = 1;
619 }
620
621 break;
622
623 case GC_SNES:
624 for (j = 4; j < 8; j++)
625 set_bit(gc_snes_btn[j], gc->dev[i].keybit);
626 case GC_NES:
627 for (j = 0; j < 4; j++)
628 set_bit(gc_snes_btn[j], gc->dev[i].keybit);
629 break;
630
631 case GC_MULTI2:
632 set_bit(BTN_THUMB, gc->dev[i].keybit);
633 case GC_MULTI:
634 set_bit(BTN_TRIGGER, gc->dev[i].keybit);
635 break;
636
637 case GC_PSX:
638 case GC_DDR:
639 if(config[i + 1] == GC_DDR) {
640 for (j = 0; j < 4; j++)
641 set_bit(gc_psx_ddr_btn[j], gc->dev[i].keybit);
642 } else {
643 for (j = 0; j < 6; j++) {
644 set_bit(gc_psx_abs[j], gc->dev[i].absbit);
645 gc->dev[i].absmin[gc_psx_abs[j]] = 4;
646 gc->dev[i].absmax[gc_psx_abs[j]] = 252;
647 gc->dev[i].absflat[gc_psx_abs[j]] = 2;
648 }
649 }
650
651 for (j = 0; j < 12; j++)
652 set_bit(gc_psx_btn[j], gc->dev[i].keybit);
653
654 break;
655 }
656
657 sprintf(gc->phys[i], "%s/input%d", gc->pd->port->name, i);
658
659 gc->dev[i].name = gc_names[config[i + 1]];
660 gc->dev[i].phys = gc->phys[i];
661 gc->dev[i].id.bustype = BUS_PARPORT;
662 gc->dev[i].id.vendor = 0x0001;
663 gc->dev[i].id.product = config[i + 1];
664 gc->dev[i].id.version = 0x0100;
665 }
666
667 parport_release(gc->pd);
668
669 if (!gc->pads[0]) {
670 parport_unregister_device(gc->pd);
671 kfree(gc);
672 return NULL;
673 }
674
675 for (i = 0; i < 5; i++)
676 if (gc->pads[0] & gc_status_bit[i]) {
677 input_register_device(gc->dev + i);
678 printk(KERN_INFO "input: %s on %s\n", gc->dev[i].name, gc->pd->port->name);
679 }
680
681 return gc;
682 }
683
684 static int __init gc_init(void)
685 {
686 gc_base[0] = gc_probe(gc, gc_nargs);
687 gc_base[1] = gc_probe(gc_2, gc_nargs_2);
688 gc_base[2] = gc_probe(gc_3, gc_nargs_3);
689
690 if (gc_base[0] || gc_base[1] || gc_base[2])
691 return 0;
692
693 return -ENODEV;
694 }
695
696 static void __exit gc_exit(void)
697 {
698 int i, j;
699
700 for (i = 0; i < 3; i++)
701 if (gc_base[i]) {
702 for (j = 0; j < 5; j++)
703 if (gc_base[i]->pads[0] & gc_status_bit[j])
704 input_unregister_device(gc_base[i]->dev + j);
705 parport_unregister_device(gc_base[i]->pd);
706 }
707 }
708
709 module_init(gc_init);
710 module_exit(gc_exit);
Verdex Pro support