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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 | /* * $Id: db9.c,v 1.6 2000/06/25 10:57:50 vojtech Exp $ * * Copyright (c) 1999 Vojtech Pavlik * * Based on the work of: * Andree Borrmann Mats Sjövall * * Sponsored by SuSE */ /* * Atari, Amstrad, Commodore, Amiga, Sega, etc. joystick driver for Linux */ /* * 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@suse.cz>, or by paper mail: * Vojtech Pavlik, Ucitelska 1576, Prague 8, 182 00 Czech Republic */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/delay.h> #include <linux/init.h> #include <linux/parport.h> #include <linux/input.h> MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>"); MODULE_LICENSE("GPL"); MODULE_PARM(db9, "2i"); MODULE_PARM(db9_2, "2i"); MODULE_PARM(db9_3, "2i"); #define DB9_MULTI_STICK 0x01 #define DB9_MULTI2_STICK 0x02 #define DB9_GENESIS_PAD 0x03 #define DB9_GENESIS5_PAD 0x05 #define DB9_GENESIS6_PAD 0x06 #define DB9_SATURN_PAD 0x07 #define DB9_MULTI_0802 0x08 #define DB9_MULTI_0802_2 0x09 #define DB9_CD32_PAD 0x0A #define DB9_MAX_PAD 0x0B #define DB9_UP 0x01 #define DB9_DOWN 0x02 #define DB9_LEFT 0x04 #define DB9_RIGHT 0x08 #define DB9_FIRE1 0x10 #define DB9_FIRE2 0x20 #define DB9_FIRE3 0x40 #define DB9_FIRE4 0x80 #define DB9_NORMAL 0x0a #define DB9_NOSELECT 0x08 #define DB9_SATURN0 0x00 #define DB9_SATURN1 0x02 #define DB9_SATURN2 0x04 #define DB9_SATURN3 0x06 #define DB9_GENESIS6_DELAY 14 #define DB9_REFRESH_TIME HZ/100 static int db9[] __initdata = { -1, 0 }; static int db9_2[] __initdata = { -1, 0 }; static int db9_3[] __initdata = { -1, 0 }; struct db9 { struct input_dev dev[2]; struct timer_list timer; struct pardevice *pd; int mode; int used; }; static struct db9 *db9_base[3]; static short db9_multi_btn[] = { BTN_TRIGGER, BTN_THUMB }; static short db9_genesis_btn[] = { BTN_START, BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_MODE }; static short db9_cd32_btn[] = { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_TL, BTN_TR, BTN_START }; static char db9_buttons[DB9_MAX_PAD] = { 0, 1, 2, 4, 0, 6, 8, 8, 1, 1, 7 }; static short *db9_btn[DB9_MAX_PAD] = { NULL, db9_multi_btn, db9_multi_btn, db9_genesis_btn, NULL, db9_genesis_btn, db9_genesis_btn, db9_cd32_btn, db9_multi_btn, db9_multi_btn, db9_cd32_btn }; static char *db9_name[DB9_MAX_PAD] = { NULL, "Multisystem joystick", "Multisystem joystick (2 fire)", "Genesis pad", NULL, "Genesis 5 pad", "Genesis 6 pad", "Saturn pad", "Multisystem (0.8.0.2) joystick", "Multisystem (0.8.0.2-dual) joystick", "Amiga CD-32 pad" }; static void db9_timer(unsigned long private) { struct db9 *db9 = (void *) private; struct parport *port = db9->pd->port; struct input_dev *dev = db9->dev; int data, i; switch(db9->mode) { case DB9_MULTI_0802_2: data = parport_read_data(port) >> 3; input_report_abs(dev + 1, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); input_report_abs(dev + 1, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); input_report_key(dev + 1, BTN_TRIGGER, ~data & DB9_FIRE1); case DB9_MULTI_0802: data = parport_read_status(port) >> 3; input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); input_report_key(dev, BTN_TRIGGER, data & DB9_FIRE1); break; case DB9_MULTI_STICK: data = parport_read_data(port); input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); input_report_key(dev, BTN_TRIGGER, ~data & DB9_FIRE1); break; case DB9_MULTI2_STICK: data = parport_read_data(port); input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); input_report_key(dev, BTN_TRIGGER, ~data & DB9_FIRE1); input_report_key(dev, BTN_THUMB, ~data & DB9_FIRE2); break; case DB9_GENESIS_PAD: parport_write_control(port, DB9_NOSELECT); data = parport_read_data(port); input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); input_report_key(dev, BTN_B, ~data & DB9_FIRE1); input_report_key(dev, BTN_C, ~data & DB9_FIRE2); parport_write_control(port, DB9_NORMAL); data=parport_read_data(port); input_report_key(dev, BTN_A, ~data & DB9_FIRE1); input_report_key(dev, BTN_START, ~data & DB9_FIRE2); break; case DB9_GENESIS5_PAD: parport_write_control(port, DB9_NOSELECT); data=parport_read_data(port); input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); input_report_key(dev, BTN_B, ~data & DB9_FIRE1); input_report_key(dev, BTN_C, ~data & DB9_FIRE2); parport_write_control(port, DB9_NORMAL); data=parport_read_data(port); input_report_key(dev, BTN_A, ~data & DB9_FIRE1); input_report_key(dev, BTN_X, ~data & DB9_FIRE2); input_report_key(dev, BTN_Y, ~data & DB9_LEFT); input_report_key(dev, BTN_START, ~data & DB9_RIGHT); break; case DB9_GENESIS6_PAD: parport_write_control(port, DB9_NOSELECT); /* 1 */ udelay(DB9_GENESIS6_DELAY); data=parport_read_data(port); input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); input_report_key(dev, BTN_B, ~data & DB9_FIRE1); input_report_key(dev, BTN_C, ~data & DB9_FIRE2); parport_write_control(port, DB9_NORMAL); udelay(DB9_GENESIS6_DELAY); data=parport_read_data(port); input_report_key(dev, BTN_A, ~data & DB9_FIRE1); input_report_key(dev, BTN_X, ~data & DB9_FIRE2); parport_write_control(port, DB9_NOSELECT); /* 2 */ udelay(DB9_GENESIS6_DELAY); parport_write_control(port, DB9_NORMAL); udelay(DB9_GENESIS6_DELAY); parport_write_control(port, DB9_NOSELECT); /* 3 */ udelay(DB9_GENESIS6_DELAY); data=parport_read_data(port); input_report_key(dev, BTN_Y, ~data & DB9_LEFT); input_report_key(dev, BTN_Z, ~data & DB9_DOWN); input_report_key(dev, BTN_MODE, ~data & DB9_UP); input_report_key(dev, BTN_START, ~data & DB9_RIGHT); parport_write_control(port, DB9_NORMAL); udelay(DB9_GENESIS6_DELAY); parport_write_control(port, DB9_NOSELECT); /* 4 */ udelay(DB9_GENESIS6_DELAY); parport_write_control(port, DB9_NORMAL); break; case DB9_SATURN_PAD: parport_write_control(port, DB9_SATURN0); data = parport_read_data(port); input_report_key(dev, BTN_Y, ~data & DB9_LEFT); input_report_key(dev, BTN_Z, ~data & DB9_DOWN); input_report_key(dev, BTN_TL, ~data & DB9_UP); input_report_key(dev, BTN_TR, ~data & DB9_RIGHT); parport_write_control(port, DB9_SATURN2); data = parport_read_data(port); input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); parport_write_control(port, DB9_NORMAL); data = parport_read_data(port); input_report_key(dev, BTN_A, ~data & DB9_LEFT); input_report_key(dev, BTN_B, ~data & DB9_UP); input_report_key(dev, BTN_C, ~data & DB9_DOWN); input_report_key(dev, BTN_X, ~data & DB9_RIGHT); break; case DB9_CD32_PAD: data=parport_read_data(port); input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); parport_write_control(port, 0x0a); for (i = 0; i < 7; i++) { data = parport_read_data(port); parport_write_control(port, 0x02); parport_write_control(port, 0x0a); input_report_key(dev, db9_cd32_btn[i], ~data & DB9_FIRE2); } parport_write_control(port, 0x00); break; } mod_timer(&db9->timer, jiffies + DB9_REFRESH_TIME); } static int db9_open(struct input_dev *dev) { struct db9 *db9 = dev->private; struct parport *port = db9->pd->port; if (!db9->used++) { parport_claim(db9->pd); parport_write_data(port, 0xff); parport_data_reverse(port); parport_write_control(port, DB9_NORMAL); mod_timer(&db9->timer, jiffies + DB9_REFRESH_TIME); } return 0; } static void db9_close(struct input_dev *dev) { struct db9 *db9 = dev->private; struct parport *port = db9->pd->port; if (!--db9->used) { del_timer(&db9->timer); parport_write_control(port, 0x00); parport_data_forward(port); parport_release(db9->pd); } } static struct db9 __init *db9_probe(int *config) { struct db9 *db9; struct parport *pp; int i, j; if (config[0] < 0) return NULL; if (config[1] < 1 || config[1] >= DB9_MAX_PAD || !db9_buttons[config[1]]) { printk(KERN_ERR "db9.c: bad config\n"); return NULL; } for (pp = parport_enumerate(); pp && (config[0] > 0); pp = pp->next) config[0]--; if (!pp) { printk(KERN_ERR "db9.c: no such parport\n"); return NULL; } if (!(pp->modes & PARPORT_MODE_TRISTATE) && config[1] != DB9_MULTI_0802) { printk(KERN_ERR "db9.c: specified parport is not bidirectional\n"); return NULL; } if (!(db9 = kmalloc(sizeof(struct db9), GFP_KERNEL))) return NULL; memset(db9, 0, sizeof(struct db9)); db9->mode = config[1]; init_timer(&db9->timer); db9->timer.data = (long) db9; db9->timer.function = db9_timer; db9->pd = parport_register_device(pp, "db9", NULL, NULL, NULL, PARPORT_DEV_EXCL, NULL); if (!db9->pd) { printk(KERN_ERR "db9.c: parport busy already - lp.o loaded?\n"); kfree(db9); return NULL; } for (i = 0; i < 1 + (db9->mode == DB9_MULTI_0802_2); i++) { db9->dev[i].private = db9; db9->dev[i].open = db9_open; db9->dev[i].close = db9_close; db9->dev[i].name = db9_name[db9->mode]; db9->dev[i].idbus = BUS_PARPORT; db9->dev[i].idvendor = 0x0002; db9->dev[i].idproduct = config[1]; db9->dev[i].idversion = 0x0100; db9->dev[i].evbit[0] = BIT(EV_KEY) | BIT(EV_ABS); db9->dev[i].absbit[0] = BIT(ABS_X) | BIT(ABS_Y); for (j = 0; j < db9_buttons[db9->mode]; j++) set_bit(db9_btn[db9->mode][j], db9->dev[i].keybit); db9->dev[i].absmin[ABS_X] = -1; db9->dev[i].absmax[ABS_X] = 1; db9->dev[i].absmin[ABS_Y] = -1; db9->dev[i].absmax[ABS_Y] = 1; input_register_device(db9->dev + i); printk(KERN_INFO "input%d: %s on %s\n", db9->dev[i].number, db9_name[db9->mode], db9->pd->port->name); } return db9; } #ifndef MODULE int __init db9_setup(char *str) { int i, ints[3]; get_options(str, ARRAY_SIZE(ints), ints); for (i = 0; i <= ints[0] && i < 2; i++) db9[i] = ints[i + 1]; return 1; } int __init db9_setup_2(char *str) { int i, ints[3]; get_options(str, ARRAY_SIZE(ints), ints); for (i = 0; i <= ints[0] && i < 2; i++) db9_2[i] = ints[i + 1]; return 1; } int __init db9_setup_3(char *str) { int i, ints[3]; get_options(str, ARRAY_SIZE(ints), ints); for (i = 0; i <= ints[0] && i < 2; i++) db9_3[i] = ints[i + 1]; return 1; } __setup("db9=", db9_setup); __setup("db9_2=", db9_setup_2); __setup("db9_3=", db9_setup_3); #endif int __init db9_init(void) { db9_base[0] = db9_probe(db9); db9_base[1] = db9_probe(db9_2); db9_base[2] = db9_probe(db9_3); if (db9_base[0] || db9_base[1] || db9_base[2]) return 0; return -ENODEV; } void __exit db9_exit(void) { int i, j; for (i = 0; i < 3; i++) if (db9_base[i]) { for (j = 0; j < 1 + (db9_base[i]->mode == DB9_MULTI_0802_2); j++) input_unregister_device(db9_base[i]->dev + j); parport_unregister_device(db9_base[i]->pd); } } module_init(db9_init); module_exit(db9_exit); |