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