Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 1998-2005 Vojtech Pavlik |
| 3 | */ |
| 4 | |
| 5 | /* |
| 6 | * Logitech ADI joystick family driver for Linux |
| 7 | */ |
| 8 | |
| 9 | /* |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License as published by |
| 12 | * the Free Software Foundation; either version 2 of the License, or |
| 13 | * (at your option) any later version. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | * GNU General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License |
| 21 | * along with this program; if not, write to the Free Software |
| 22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 23 | * |
| 24 | * Should you need to contact me, the author, you can do so either by |
| 25 | * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: |
| 26 | * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic |
| 27 | */ |
| 28 | |
| 29 | #include <linux/delay.h> |
| 30 | #include <linux/kernel.h> |
| 31 | #include <linux/module.h> |
| 32 | #include <linux/string.h> |
| 33 | #include <linux/slab.h> |
| 34 | #include <linux/input.h> |
| 35 | #include <linux/gameport.h> |
Tim Schmielau | 4e57b68 | 2005-10-30 15:03:48 -0800 | [diff] [blame] | 36 | #include <linux/jiffies.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 37 | |
| 38 | #define DRIVER_DESC "Logitech ADI joystick family driver" |
| 39 | |
| 40 | MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); |
| 41 | MODULE_DESCRIPTION(DRIVER_DESC); |
| 42 | MODULE_LICENSE("GPL"); |
| 43 | |
| 44 | /* |
| 45 | * Times, array sizes, flags, ids. |
| 46 | */ |
| 47 | |
| 48 | #define ADI_MAX_START 200 /* Trigger to packet timeout [200us] */ |
| 49 | #define ADI_MAX_STROBE 40 /* Single bit timeout [40us] */ |
| 50 | #define ADI_INIT_DELAY 10 /* Delay after init packet [10ms] */ |
| 51 | #define ADI_DATA_DELAY 4 /* Delay after data packet [4ms] */ |
| 52 | |
| 53 | #define ADI_MAX_LENGTH 256 |
| 54 | #define ADI_MIN_LENGTH 8 |
| 55 | #define ADI_MIN_LEN_LENGTH 10 |
| 56 | #define ADI_MIN_ID_LENGTH 66 |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 57 | #define ADI_MAX_NAME_LENGTH 64 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | #define ADI_MAX_CNAME_LENGTH 16 |
| 59 | #define ADI_MAX_PHYS_LENGTH 64 |
| 60 | |
| 61 | #define ADI_FLAG_HAT 0x04 |
| 62 | #define ADI_FLAG_10BIT 0x08 |
| 63 | |
| 64 | #define ADI_ID_TPD 0x01 |
| 65 | #define ADI_ID_WGP 0x06 |
| 66 | #define ADI_ID_WGPE 0x08 |
| 67 | #define ADI_ID_MAX 0x0a |
| 68 | |
| 69 | /* |
| 70 | * Names, buttons, axes ... |
| 71 | */ |
| 72 | |
| 73 | static char *adi_names[] = { "WingMan Extreme Digital", "ThunderPad Digital", "SideCar", "CyberMan 2", |
| 74 | "WingMan Interceptor", "WingMan Formula", "WingMan GamePad", |
| 75 | "WingMan Extreme Digital 3D", "WingMan GamePad Extreme", |
| 76 | "WingMan GamePad USB", "Unknown Device %#x" }; |
| 77 | |
| 78 | static char adi_wmgpe_abs[] = { ABS_X, ABS_Y, ABS_HAT0X, ABS_HAT0Y }; |
| 79 | static char adi_wmi_abs[] = { ABS_X, ABS_Y, ABS_THROTTLE, ABS_HAT0X, ABS_HAT0Y, ABS_HAT1X, ABS_HAT1Y, ABS_HAT2X, ABS_HAT2Y }; |
| 80 | static char adi_wmed3d_abs[] = { ABS_X, ABS_Y, ABS_THROTTLE, ABS_RZ, ABS_HAT0X, ABS_HAT0Y }; |
| 81 | static char adi_cm2_abs[] = { ABS_X, ABS_Y, ABS_Z, ABS_RX, ABS_RY, ABS_RZ }; |
| 82 | static char adi_wmf_abs[] = { ABS_WHEEL, ABS_GAS, ABS_BRAKE, ABS_HAT0X, ABS_HAT0Y, ABS_HAT1X, ABS_HAT1Y, ABS_HAT2X, ABS_HAT2Y }; |
| 83 | |
| 84 | static short adi_wmgpe_key[] = { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_TL, BTN_TR, BTN_START, BTN_MODE, BTN_SELECT }; |
Dmitry Torokhov | ab0c344 | 2005-05-29 02:28:55 -0500 | [diff] [blame] | 85 | static short adi_wmi_key[] = { BTN_TRIGGER, BTN_TOP, BTN_THUMB, BTN_TOP2, BTN_BASE, BTN_BASE2, BTN_BASE3, BTN_BASE4, BTN_EXTRA }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 86 | static short adi_wmed3d_key[] = { BTN_TRIGGER, BTN_THUMB, BTN_THUMB2, BTN_TOP, BTN_TOP2, BTN_BASE, BTN_BASE2 }; |
| 87 | static short adi_cm2_key[] = { BTN_1, BTN_2, BTN_3, BTN_4, BTN_5, BTN_6, BTN_7, BTN_8 }; |
| 88 | |
| 89 | static char* adi_abs[] = { adi_wmi_abs, adi_wmgpe_abs, adi_wmf_abs, adi_cm2_abs, adi_wmi_abs, adi_wmf_abs, |
| 90 | adi_wmgpe_abs, adi_wmed3d_abs, adi_wmgpe_abs, adi_wmgpe_abs, adi_wmi_abs }; |
| 91 | |
| 92 | static short* adi_key[] = { adi_wmi_key, adi_wmgpe_key, adi_cm2_key, adi_cm2_key, adi_wmi_key, adi_cm2_key, |
| 93 | adi_wmgpe_key, adi_wmed3d_key, adi_wmgpe_key, adi_wmgpe_key, adi_wmi_key }; |
| 94 | |
| 95 | /* |
| 96 | * Hat to axis conversion arrays. |
| 97 | */ |
| 98 | |
| 99 | static struct { |
| 100 | int x; |
| 101 | int y; |
| 102 | } adi_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}}; |
| 103 | |
| 104 | /* |
| 105 | * Per-port information. |
| 106 | */ |
| 107 | |
| 108 | struct adi { |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 109 | struct input_dev *dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 110 | int length; |
| 111 | int ret; |
| 112 | int idx; |
| 113 | unsigned char id; |
| 114 | char buttons; |
| 115 | char axes10; |
| 116 | char axes8; |
| 117 | signed char pad; |
| 118 | char hats; |
| 119 | char *abs; |
| 120 | short *key; |
| 121 | char name[ADI_MAX_NAME_LENGTH]; |
| 122 | char cname[ADI_MAX_CNAME_LENGTH]; |
| 123 | char phys[ADI_MAX_PHYS_LENGTH]; |
| 124 | unsigned char data[ADI_MAX_LENGTH]; |
| 125 | }; |
| 126 | |
| 127 | struct adi_port { |
| 128 | struct gameport *gameport; |
| 129 | struct adi adi[2]; |
| 130 | int bad; |
| 131 | int reads; |
| 132 | }; |
| 133 | |
| 134 | /* |
| 135 | * adi_read_packet() reads a Logitech ADI packet. |
| 136 | */ |
| 137 | |
| 138 | static void adi_read_packet(struct adi_port *port) |
| 139 | { |
| 140 | struct adi *adi = port->adi; |
| 141 | struct gameport *gameport = port->gameport; |
| 142 | unsigned char u, v, w, x, z; |
| 143 | int t[2], s[2], i; |
| 144 | unsigned long flags; |
| 145 | |
| 146 | for (i = 0; i < 2; i++) { |
| 147 | adi[i].ret = -1; |
| 148 | t[i] = gameport_time(gameport, ADI_MAX_START); |
| 149 | s[i] = 0; |
| 150 | } |
| 151 | |
| 152 | local_irq_save(flags); |
| 153 | |
| 154 | gameport_trigger(gameport); |
| 155 | v = z = gameport_read(gameport); |
| 156 | |
| 157 | do { |
| 158 | u = v; |
| 159 | w = u ^ (v = x = gameport_read(gameport)); |
| 160 | for (i = 0; i < 2; i++, w >>= 2, x >>= 2) { |
| 161 | t[i]--; |
| 162 | if ((w & 0x30) && s[i]) { |
| 163 | if ((w & 0x30) < 0x30 && adi[i].ret < ADI_MAX_LENGTH && t[i] > 0) { |
| 164 | adi[i].data[++adi[i].ret] = w; |
| 165 | t[i] = gameport_time(gameport, ADI_MAX_STROBE); |
| 166 | } else t[i] = 0; |
| 167 | } else if (!(x & 0x30)) s[i] = 1; |
| 168 | } |
| 169 | } while (t[0] > 0 || t[1] > 0); |
| 170 | |
| 171 | local_irq_restore(flags); |
| 172 | |
| 173 | return; |
| 174 | } |
| 175 | |
| 176 | /* |
| 177 | * adi_move_bits() detects a possible 2-stream mode, and moves |
| 178 | * the bits accordingly. |
| 179 | */ |
| 180 | |
| 181 | static void adi_move_bits(struct adi_port *port, int length) |
| 182 | { |
| 183 | int i; |
| 184 | struct adi *adi = port->adi; |
| 185 | |
Dmitry Torokhov | ab0c344 | 2005-05-29 02:28:55 -0500 | [diff] [blame] | 186 | adi[0].idx = adi[1].idx = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 187 | |
| 188 | if (adi[0].ret <= 0 || adi[1].ret <= 0) return; |
| 189 | if (adi[0].data[0] & 0x20 || ~adi[1].data[0] & 0x20) return; |
| 190 | |
| 191 | for (i = 1; i <= adi[1].ret; i++) |
| 192 | adi[0].data[((length - 1) >> 1) + i + 1] = adi[1].data[i]; |
| 193 | |
| 194 | adi[0].ret += adi[1].ret; |
| 195 | adi[1].ret = -1; |
| 196 | } |
| 197 | |
| 198 | /* |
| 199 | * adi_get_bits() gathers bits from the data packet. |
| 200 | */ |
| 201 | |
| 202 | static inline int adi_get_bits(struct adi *adi, int count) |
| 203 | { |
| 204 | int bits = 0; |
| 205 | int i; |
| 206 | if ((adi->idx += count) > adi->ret) return 0; |
| 207 | for (i = 0; i < count; i++) |
| 208 | bits |= ((adi->data[adi->idx - i] >> 5) & 1) << i; |
| 209 | return bits; |
| 210 | } |
| 211 | |
| 212 | /* |
| 213 | * adi_decode() decodes Logitech joystick data into input events. |
| 214 | */ |
| 215 | |
| 216 | static int adi_decode(struct adi *adi) |
| 217 | { |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 218 | struct input_dev *dev = adi->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 219 | char *abs = adi->abs; |
| 220 | short *key = adi->key; |
| 221 | int i, t; |
| 222 | |
| 223 | if (adi->ret < adi->length || adi->id != (adi_get_bits(adi, 4) | (adi_get_bits(adi, 4) << 4))) |
| 224 | return -1; |
| 225 | |
| 226 | for (i = 0; i < adi->axes10; i++) |
| 227 | input_report_abs(dev, *abs++, adi_get_bits(adi, 10)); |
| 228 | |
| 229 | for (i = 0; i < adi->axes8; i++) |
| 230 | input_report_abs(dev, *abs++, adi_get_bits(adi, 8)); |
| 231 | |
| 232 | for (i = 0; i < adi->buttons && i < 63; i++) { |
| 233 | if (i == adi->pad) { |
| 234 | t = adi_get_bits(adi, 4); |
| 235 | input_report_abs(dev, *abs++, ((t >> 2) & 1) - ( t & 1)); |
| 236 | input_report_abs(dev, *abs++, ((t >> 1) & 1) - ((t >> 3) & 1)); |
| 237 | } |
| 238 | input_report_key(dev, *key++, adi_get_bits(adi, 1)); |
| 239 | } |
| 240 | |
| 241 | for (i = 0; i < adi->hats; i++) { |
| 242 | if ((t = adi_get_bits(adi, 4)) > 8) t = 0; |
| 243 | input_report_abs(dev, *abs++, adi_hat_to_axis[t].x); |
| 244 | input_report_abs(dev, *abs++, adi_hat_to_axis[t].y); |
| 245 | } |
| 246 | |
| 247 | for (i = 63; i < adi->buttons; i++) |
| 248 | input_report_key(dev, *key++, adi_get_bits(adi, 1)); |
| 249 | |
| 250 | input_sync(dev); |
| 251 | |
| 252 | return 0; |
| 253 | } |
| 254 | |
| 255 | /* |
| 256 | * adi_read() reads the data packet and decodes it. |
| 257 | */ |
| 258 | |
| 259 | static int adi_read(struct adi_port *port) |
| 260 | { |
| 261 | int i; |
| 262 | int result = 0; |
| 263 | |
| 264 | adi_read_packet(port); |
| 265 | adi_move_bits(port, port->adi[0].length); |
| 266 | |
| 267 | for (i = 0; i < 2; i++) |
| 268 | if (port->adi[i].length) |
| 269 | result |= adi_decode(port->adi + i); |
| 270 | |
| 271 | return result; |
| 272 | } |
| 273 | |
| 274 | /* |
| 275 | * adi_poll() repeatedly polls the Logitech joysticks. |
| 276 | */ |
| 277 | |
| 278 | static void adi_poll(struct gameport *gameport) |
| 279 | { |
| 280 | struct adi_port *port = gameport_get_drvdata(gameport); |
| 281 | |
| 282 | port->bad -= adi_read(port); |
| 283 | port->reads++; |
| 284 | } |
| 285 | |
| 286 | /* |
| 287 | * adi_open() is a callback from the input open routine. |
| 288 | */ |
| 289 | |
| 290 | static int adi_open(struct input_dev *dev) |
| 291 | { |
Dmitry Torokhov | 8715c1c | 2007-04-12 01:34:14 -0400 | [diff] [blame] | 292 | struct adi_port *port = input_get_drvdata(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 293 | |
| 294 | gameport_start_polling(port->gameport); |
| 295 | return 0; |
| 296 | } |
| 297 | |
| 298 | /* |
| 299 | * adi_close() is a callback from the input close routine. |
| 300 | */ |
| 301 | |
| 302 | static void adi_close(struct input_dev *dev) |
| 303 | { |
Dmitry Torokhov | 8715c1c | 2007-04-12 01:34:14 -0400 | [diff] [blame] | 304 | struct adi_port *port = input_get_drvdata(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 305 | |
| 306 | gameport_stop_polling(port->gameport); |
| 307 | } |
| 308 | |
| 309 | /* |
| 310 | * adi_init_digital() sends a trigger & delay sequence |
| 311 | * to reset and initialize a Logitech joystick into digital mode. |
| 312 | */ |
| 313 | |
| 314 | static void adi_init_digital(struct gameport *gameport) |
| 315 | { |
| 316 | int seq[] = { 4, -2, -3, 10, -6, -11, -7, -9, 11, 0 }; |
| 317 | int i; |
| 318 | |
| 319 | for (i = 0; seq[i]; i++) { |
| 320 | gameport_trigger(gameport); |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 321 | if (seq[i] > 0) |
| 322 | msleep(seq[i]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 323 | if (seq[i] < 0) { |
| 324 | mdelay(-seq[i]); |
| 325 | udelay(-seq[i]*14); /* It looks like mdelay() is off by approx 1.4% */ |
| 326 | } |
| 327 | } |
| 328 | } |
| 329 | |
| 330 | static void adi_id_decode(struct adi *adi, struct adi_port *port) |
| 331 | { |
| 332 | int i, t; |
| 333 | |
| 334 | if (adi->ret < ADI_MIN_ID_LENGTH) /* Minimum ID packet length */ |
| 335 | return; |
| 336 | |
| 337 | if (adi->ret < (t = adi_get_bits(adi, 10))) { |
| 338 | printk(KERN_WARNING "adi: Short ID packet: reported: %d != read: %d\n", t, adi->ret); |
| 339 | return; |
| 340 | } |
| 341 | |
| 342 | adi->id = adi_get_bits(adi, 4) | (adi_get_bits(adi, 4) << 4); |
| 343 | |
| 344 | if ((t = adi_get_bits(adi, 4)) & ADI_FLAG_HAT) adi->hats++; |
| 345 | |
| 346 | adi->length = adi_get_bits(adi, 10); |
| 347 | |
| 348 | if (adi->length >= ADI_MAX_LENGTH || adi->length < ADI_MIN_LENGTH) { |
| 349 | printk(KERN_WARNING "adi: Bad data packet length (%d).\n", adi->length); |
| 350 | adi->length = 0; |
| 351 | return; |
| 352 | } |
| 353 | |
| 354 | adi->axes8 = adi_get_bits(adi, 4); |
| 355 | adi->buttons = adi_get_bits(adi, 6); |
| 356 | |
| 357 | if (adi_get_bits(adi, 6) != 8 && adi->hats) { |
| 358 | printk(KERN_WARNING "adi: Other than 8-dir POVs not supported yet.\n"); |
| 359 | adi->length = 0; |
| 360 | return; |
| 361 | } |
| 362 | |
| 363 | adi->buttons += adi_get_bits(adi, 6); |
| 364 | adi->hats += adi_get_bits(adi, 4); |
| 365 | |
| 366 | i = adi_get_bits(adi, 4); |
| 367 | |
| 368 | if (t & ADI_FLAG_10BIT) { |
| 369 | adi->axes10 = adi->axes8 - i; |
| 370 | adi->axes8 = i; |
| 371 | } |
| 372 | |
| 373 | t = adi_get_bits(adi, 4); |
| 374 | |
| 375 | for (i = 0; i < t; i++) |
| 376 | adi->cname[i] = adi_get_bits(adi, 8); |
| 377 | adi->cname[i] = 0; |
| 378 | |
| 379 | t = 8 + adi->buttons + adi->axes10 * 10 + adi->axes8 * 8 + adi->hats * 4; |
| 380 | if (adi->length != t && adi->length != t + (t & 1)) { |
| 381 | printk(KERN_WARNING "adi: Expected length %d != data length %d\n", t, adi->length); |
| 382 | adi->length = 0; |
| 383 | return; |
| 384 | } |
| 385 | |
| 386 | switch (adi->id) { |
| 387 | case ADI_ID_TPD: |
| 388 | adi->pad = 4; |
| 389 | adi->buttons -= 4; |
| 390 | break; |
| 391 | case ADI_ID_WGP: |
| 392 | adi->pad = 0; |
| 393 | adi->buttons -= 4; |
| 394 | break; |
| 395 | default: |
| 396 | adi->pad = -1; |
| 397 | break; |
| 398 | } |
| 399 | } |
| 400 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 401 | static int adi_init_input(struct adi *adi, struct adi_port *port, int half) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 402 | { |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 403 | struct input_dev *input_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 404 | char buf[ADI_MAX_NAME_LENGTH]; |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 405 | int i, t; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 406 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 407 | adi->dev = input_dev = input_allocate_device(); |
| 408 | if (!input_dev) |
| 409 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 410 | |
| 411 | t = adi->id < ADI_ID_MAX ? adi->id : ADI_ID_MAX; |
| 412 | |
| 413 | snprintf(buf, ADI_MAX_PHYS_LENGTH, adi_names[t], adi->id); |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 414 | snprintf(adi->name, ADI_MAX_NAME_LENGTH, "Logitech %s [%s]", buf, adi->cname); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 415 | snprintf(adi->phys, ADI_MAX_PHYS_LENGTH, "%s/input%d", port->gameport->phys, half); |
| 416 | |
| 417 | adi->abs = adi_abs[t]; |
| 418 | adi->key = adi_key[t]; |
| 419 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 420 | input_dev->name = adi->name; |
| 421 | input_dev->phys = adi->phys; |
| 422 | input_dev->id.bustype = BUS_GAMEPORT; |
| 423 | input_dev->id.vendor = GAMEPORT_ID_VENDOR_LOGITECH; |
| 424 | input_dev->id.product = adi->id; |
| 425 | input_dev->id.version = 0x0100; |
Dmitry Torokhov | 935e658 | 2007-04-12 01:35:26 -0400 | [diff] [blame] | 426 | input_dev->dev.parent = &port->gameport->dev; |
Dmitry Torokhov | 8715c1c | 2007-04-12 01:34:14 -0400 | [diff] [blame] | 427 | |
| 428 | input_set_drvdata(input_dev, port); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 429 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 430 | input_dev->open = adi_open; |
| 431 | input_dev->close = adi_close; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 432 | |
Jiri Slaby | 7b19ada | 2007-10-18 23:40:32 -0700 | [diff] [blame] | 433 | input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 434 | |
| 435 | for (i = 0; i < adi->axes10 + adi->axes8 + (adi->hats + (adi->pad != -1)) * 2; i++) |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 436 | set_bit(adi->abs[i], input_dev->absbit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 437 | |
| 438 | for (i = 0; i < adi->buttons; i++) |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 439 | set_bit(adi->key[i], input_dev->keybit); |
| 440 | |
| 441 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 442 | } |
| 443 | |
| 444 | static void adi_init_center(struct adi *adi) |
| 445 | { |
| 446 | int i, t, x; |
| 447 | |
| 448 | if (!adi->length) |
| 449 | return; |
| 450 | |
| 451 | for (i = 0; i < adi->axes10 + adi->axes8 + (adi->hats + (adi->pad != -1)) * 2; i++) { |
| 452 | |
| 453 | t = adi->abs[i]; |
Daniel Mack | 987a6c0 | 2010-08-02 20:15:17 -0700 | [diff] [blame] | 454 | x = input_abs_get_val(adi->dev, t); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 455 | |
| 456 | if (t == ABS_THROTTLE || t == ABS_RUDDER || adi->id == ADI_ID_WGPE) |
| 457 | x = i < adi->axes10 ? 512 : 128; |
| 458 | |
| 459 | if (i < adi->axes10) |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 460 | input_set_abs_params(adi->dev, t, 64, x * 2 - 64, 2, 16); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 461 | else if (i < adi->axes10 + adi->axes8) |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 462 | input_set_abs_params(adi->dev, t, 48, x * 2 - 48, 1, 16); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 463 | else |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 464 | input_set_abs_params(adi->dev, t, -1, 1, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 465 | } |
| 466 | } |
| 467 | |
| 468 | /* |
| 469 | * adi_connect() probes for Logitech ADI joysticks. |
| 470 | */ |
| 471 | |
| 472 | static int adi_connect(struct gameport *gameport, struct gameport_driver *drv) |
| 473 | { |
| 474 | struct adi_port *port; |
| 475 | int i; |
| 476 | int err; |
| 477 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 478 | port = kzalloc(sizeof(struct adi_port), GFP_KERNEL); |
| 479 | if (!port) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 480 | return -ENOMEM; |
| 481 | |
| 482 | port->gameport = gameport; |
| 483 | |
| 484 | gameport_set_drvdata(gameport, port); |
| 485 | |
| 486 | err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW); |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 487 | if (err) |
| 488 | goto fail1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 489 | |
| 490 | adi_init_digital(gameport); |
| 491 | adi_read_packet(port); |
| 492 | |
| 493 | if (port->adi[0].ret >= ADI_MIN_LEN_LENGTH) |
| 494 | adi_move_bits(port, adi_get_bits(port->adi, 10)); |
| 495 | |
| 496 | for (i = 0; i < 2; i++) { |
| 497 | adi_id_decode(port->adi + i, port); |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 498 | |
| 499 | if (!port->adi[i].length) |
| 500 | continue; |
| 501 | |
| 502 | err = adi_init_input(port->adi + i, port, i); |
| 503 | if (err) |
| 504 | goto fail2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 505 | } |
| 506 | |
| 507 | if (!port->adi[0].length && !port->adi[1].length) { |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 508 | err = -ENODEV; |
| 509 | goto fail2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 510 | } |
| 511 | |
| 512 | gameport_set_poll_handler(gameport, adi_poll); |
| 513 | gameport_set_poll_interval(gameport, 20); |
| 514 | |
| 515 | msleep(ADI_INIT_DELAY); |
| 516 | if (adi_read(port)) { |
| 517 | msleep(ADI_DATA_DELAY); |
| 518 | adi_read(port); |
| 519 | } |
| 520 | |
| 521 | for (i = 0; i < 2; i++) |
| 522 | if (port->adi[i].length > 0) { |
| 523 | adi_init_center(port->adi + i); |
Dmitry Torokhov | 127278c | 2006-11-05 22:40:09 -0500 | [diff] [blame] | 524 | err = input_register_device(port->adi[i].dev); |
| 525 | if (err) |
| 526 | goto fail3; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 527 | } |
| 528 | |
| 529 | return 0; |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 530 | |
Dmitry Torokhov | 127278c | 2006-11-05 22:40:09 -0500 | [diff] [blame] | 531 | fail3: while (--i >= 0) { |
| 532 | if (port->adi[i].length > 0) { |
| 533 | input_unregister_device(port->adi[i].dev); |
| 534 | port->adi[i].dev = NULL; |
| 535 | } |
| 536 | } |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 537 | fail2: for (i = 0; i < 2; i++) |
Markus Elfring | de3748f | 2015-02-11 10:10:21 -0800 | [diff] [blame] | 538 | input_free_device(port->adi[i].dev); |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 539 | gameport_close(gameport); |
| 540 | fail1: gameport_set_drvdata(gameport, NULL); |
| 541 | kfree(port); |
| 542 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 543 | } |
| 544 | |
| 545 | static void adi_disconnect(struct gameport *gameport) |
| 546 | { |
| 547 | int i; |
| 548 | struct adi_port *port = gameport_get_drvdata(gameport); |
| 549 | |
| 550 | for (i = 0; i < 2; i++) |
| 551 | if (port->adi[i].length > 0) |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 552 | input_unregister_device(port->adi[i].dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 553 | gameport_close(gameport); |
| 554 | gameport_set_drvdata(gameport, NULL); |
| 555 | kfree(port); |
| 556 | } |
| 557 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 558 | static struct gameport_driver adi_drv = { |
| 559 | .driver = { |
| 560 | .name = "adi", |
| 561 | }, |
| 562 | .description = DRIVER_DESC, |
| 563 | .connect = adi_connect, |
| 564 | .disconnect = adi_disconnect, |
| 565 | }; |
| 566 | |
Axel Lin | 98a8413 | 2012-04-03 23:52:27 -0700 | [diff] [blame] | 567 | module_gameport_driver(adi_drv); |