| 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
| 3 | Copyright (C) 1997-2009 Sam Lantinga |
| 4 | |
| 5 | This library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | This library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with this library; if not, write to the Free Software |
| 17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | |
| 19 | Sam Lantinga |
| 20 | slouken@libsdl.org |
| 21 | */ |
| 22 | #include "SDL_config.h" |
| 23 | |
| 24 | #ifdef SDL_JOYSTICK_USBHID |
| 25 | |
| 26 | /* |
| 27 | * Joystick driver for the uhid(4) interface found in OpenBSD, |
| 28 | * NetBSD and FreeBSD. |
| 29 | * |
| 30 | * Maintainer: <vedge at csoft.org> |
| 31 | */ |
| 32 | |
| 33 | #include <sys/param.h> |
| 34 | |
| 35 | #include <unistd.h> |
| 36 | #include <fcntl.h> |
| 37 | #include <errno.h> |
| 38 | |
| 39 | #ifndef __FreeBSD_kernel_version |
| 40 | #define __FreeBSD_kernel_version __FreeBSD_version |
| 41 | #endif |
| 42 | |
| 43 | #if defined(HAVE_USB_H) |
| 44 | #include <usb.h> |
| 45 | #endif |
| 46 | #ifdef __DragonFly__ |
| 47 | #include <bus/usb/usb.h> |
| 48 | #include <bus/usb/usbhid.h> |
| 49 | #else |
| 50 | #include <dev/usb/usb.h> |
| 51 | #include <dev/usb/usbhid.h> |
| 52 | #endif |
| 53 | |
| 54 | #if defined(HAVE_USBHID_H) |
| 55 | #include <usbhid.h> |
| 56 | #elif defined(HAVE_LIBUSB_H) |
| 57 | #include <libusb.h> |
| 58 | #elif defined(HAVE_LIBUSBHID_H) |
| 59 | #include <libusbhid.h> |
| 60 | #endif |
| 61 | |
| 62 | #ifdef __FREEBSD__ |
| 63 | #ifndef __DragonFly__ |
| 64 | #include <osreldate.h> |
| 65 | #endif |
| 66 | #include <sys/joystick.h> |
| 67 | #endif |
| 68 | |
| 69 | #if SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H |
| 70 | #include <machine/joystick.h> |
| 71 | #endif |
| 72 | |
| 73 | #include "SDL_joystick.h" |
| 74 | #include "../SDL_sysjoystick.h" |
| 75 | #include "../SDL_joystick_c.h" |
| 76 | |
| 77 | #define MAX_UHID_JOYS 4 |
| 78 | #define MAX_JOY_JOYS 2 |
| 79 | #define MAX_JOYS (MAX_UHID_JOYS + MAX_JOY_JOYS) |
| 80 | |
| 81 | #if defined(__FREEBSD__) && (__FreeBSD_kernel_version > 800063) |
| 82 | struct usb_ctl_report { |
| 83 | int ucr_report; |
| 84 | u_char ucr_data[1024]; /* filled data size will vary */ |
| 85 | }; |
| 86 | #endif |
| 87 | |
| 88 | struct report { |
| 89 | struct usb_ctl_report *buf; /* Buffer */ |
| 90 | size_t size; /* Buffer size */ |
| 91 | int rid; /* Report ID */ |
| 92 | enum { |
| 93 | SREPORT_UNINIT, |
| 94 | SREPORT_CLEAN, |
| 95 | SREPORT_DIRTY |
| 96 | } status; |
| 97 | }; |
| 98 | |
| 99 | static struct { |
| 100 | int uhid_report; |
| 101 | hid_kind_t kind; |
| 102 | const char *name; |
| 103 | } const repinfo[] = { |
| 104 | { UHID_INPUT_REPORT, hid_input, "input" }, |
| 105 | { UHID_OUTPUT_REPORT, hid_output, "output" }, |
| 106 | { UHID_FEATURE_REPORT, hid_feature, "feature" } |
| 107 | }; |
| 108 | |
| 109 | enum { |
| 110 | REPORT_INPUT = 0, |
| 111 | REPORT_OUTPUT = 1, |
| 112 | REPORT_FEATURE = 2 |
| 113 | }; |
| 114 | |
| 115 | enum { |
| 116 | JOYAXE_X, |
| 117 | JOYAXE_Y, |
| 118 | JOYAXE_Z, |
| 119 | JOYAXE_SLIDER, |
| 120 | JOYAXE_WHEEL, |
| 121 | JOYAXE_RX, |
| 122 | JOYAXE_RY, |
| 123 | JOYAXE_RZ, |
| 124 | JOYAXE_count |
| 125 | }; |
| 126 | |
| 127 | struct joystick_hwdata { |
| 128 | int fd; |
| 129 | char *path; |
| 130 | enum { |
| 131 | BSDJOY_UHID, /* uhid(4) */ |
| 132 | BSDJOY_JOY /* joy(4) */ |
| 133 | } type; |
| 134 | struct report_desc *repdesc; |
| 135 | struct report inreport; |
| 136 | int axis_map[JOYAXE_count]; /* map present JOYAXE_* to 0,1,..*/ |
| 137 | int x; |
| 138 | int y; |
| 139 | int xmin; |
| 140 | int ymin; |
| 141 | int xmax; |
| 142 | int ymax; |
| 143 | }; |
| 144 | |
| 145 | static char *joynames[MAX_JOYS]; |
| 146 | static char *joydevnames[MAX_JOYS]; |
| 147 | |
| 148 | static int report_alloc(struct report *, struct report_desc *, int); |
| 149 | static void report_free(struct report *); |
| 150 | |
| 151 | #if defined(USBHID_UCR_DATA) || (defined(__FREEBSD__) && (__FreeBSD_kernel_version > 800063)) |
| 152 | #define REP_BUF_DATA(rep) ((rep)->buf->ucr_data) |
| 153 | #else |
| 154 | #define REP_BUF_DATA(rep) ((rep)->buf->data) |
| 155 | #endif |
| 156 | |
| 157 | int |
| 158 | SDL_SYS_JoystickInit(void) |
| 159 | { |
| 160 | char s[16]; |
| 161 | int i, fd; |
| 162 | |
| 163 | SDL_numjoysticks = 0; |
| 164 | |
| 165 | SDL_memset(joynames, 0, sizeof(joynames)); |
| 166 | SDL_memset(joydevnames, 0, sizeof(joydevnames)); |
| 167 | |
| 168 | for (i = 0; i < MAX_UHID_JOYS; i++) { |
| 169 | SDL_Joystick nj; |
| 170 | |
| 171 | SDL_snprintf(s, SDL_arraysize(s), "/dev/uhid%d", i); |
| 172 | |
| 173 | nj.index = SDL_numjoysticks; |
| 174 | joynames[nj.index] = strdup(s); |
| 175 | |
| 176 | if (SDL_SYS_JoystickOpen(&nj) == 0) { |
| 177 | SDL_SYS_JoystickClose(&nj); |
| 178 | SDL_numjoysticks++; |
| 179 | } else { |
| 180 | SDL_free(joynames[nj.index]); |
| 181 | joynames[nj.index] = NULL; |
| 182 | } |
| 183 | } |
| 184 | for (i = 0; i < MAX_JOY_JOYS; i++) { |
| 185 | SDL_snprintf(s, SDL_arraysize(s), "/dev/joy%d", i); |
| 186 | fd = open(s, O_RDONLY); |
| 187 | if (fd != -1) { |
| 188 | joynames[SDL_numjoysticks++] = strdup(s); |
| 189 | close(fd); |
| 190 | } |
| 191 | } |
| 192 | |
| 193 | /* Read the default USB HID usage table. */ |
| 194 | hid_init(NULL); |
| 195 | |
| 196 | return (SDL_numjoysticks); |
| 197 | } |
| 198 | |
| 199 | const char * |
| 200 | SDL_SYS_JoystickName(int index) |
| 201 | { |
| 202 | if (joydevnames[index] != NULL) { |
| 203 | return (joydevnames[index]); |
| 204 | } |
| 205 | return (joynames[index]); |
| 206 | } |
| 207 | |
| 208 | static int |
| 209 | usage_to_joyaxe(unsigned usage) |
| 210 | { |
| 211 | int joyaxe; |
| 212 | switch (usage) { |
| 213 | case HUG_X: |
| 214 | joyaxe = JOYAXE_X; break; |
| 215 | case HUG_Y: |
| 216 | joyaxe = JOYAXE_Y; break; |
| 217 | case HUG_Z: |
| 218 | joyaxe = JOYAXE_Z; break; |
| 219 | case HUG_SLIDER: |
| 220 | joyaxe = JOYAXE_SLIDER; break; |
| 221 | case HUG_WHEEL: |
| 222 | joyaxe = JOYAXE_WHEEL; break; |
| 223 | case HUG_RX: |
| 224 | joyaxe = JOYAXE_RX; break; |
| 225 | case HUG_RY: |
| 226 | joyaxe = JOYAXE_RY; break; |
| 227 | case HUG_RZ: |
| 228 | joyaxe = JOYAXE_RZ; break; |
| 229 | default: |
| 230 | joyaxe = -1; |
| 231 | } |
| 232 | return joyaxe; |
| 233 | } |
| 234 | |
| 235 | static unsigned |
| 236 | hatval_to_sdl(Sint32 hatval) |
| 237 | { |
| 238 | static const unsigned hat_dir_map[8] = { |
| 239 | SDL_HAT_UP, SDL_HAT_RIGHTUP, SDL_HAT_RIGHT, SDL_HAT_RIGHTDOWN, |
| 240 | SDL_HAT_DOWN, SDL_HAT_LEFTDOWN, SDL_HAT_LEFT, SDL_HAT_LEFTUP |
| 241 | }; |
| 242 | unsigned result; |
| 243 | if ((hatval & 7) == hatval) |
| 244 | result = hat_dir_map[hatval]; |
| 245 | else |
| 246 | result = SDL_HAT_CENTERED; |
| 247 | return result; |
| 248 | } |
| 249 | |
| 250 | |
| 251 | int |
| 252 | SDL_SYS_JoystickOpen(SDL_Joystick *joy) |
| 253 | { |
| 254 | char *path = joynames[joy->index]; |
| 255 | struct joystick_hwdata *hw; |
| 256 | struct hid_item hitem; |
| 257 | struct hid_data *hdata; |
| 258 | struct report *rep; |
| 259 | int fd; |
| 260 | int i; |
| 261 | |
| 262 | fd = open(path, O_RDONLY); |
| 263 | if (fd == -1) { |
| 264 | SDL_SetError("%s: %s", path, strerror(errno)); |
| 265 | return (-1); |
| 266 | } |
| 267 | |
| 268 | hw = (struct joystick_hwdata *)SDL_malloc(sizeof(struct joystick_hwdata)); |
| 269 | if (hw == NULL) { |
| 270 | SDL_OutOfMemory(); |
| 271 | close(fd); |
| 272 | return (-1); |
| 273 | } |
| 274 | joy->hwdata = hw; |
| 275 | hw->fd = fd; |
| 276 | hw->path = strdup(path); |
| 277 | hw->x = 0; |
| 278 | hw->y = 0; |
| 279 | hw->xmin = 0xffff; |
| 280 | hw->ymin = 0xffff; |
| 281 | hw->xmax = 0; |
| 282 | hw->ymax = 0; |
| 283 | if (! SDL_strncmp(path, "/dev/joy", 8)) { |
| 284 | hw->type = BSDJOY_JOY; |
| 285 | joy->naxes = 2; |
| 286 | joy->nbuttons = 2; |
| 287 | joy->nhats = 0; |
| 288 | joy->nballs = 0; |
| 289 | joydevnames[joy->index] = strdup("Gameport joystick"); |
| 290 | goto usbend; |
| 291 | } else { |
| 292 | hw->type = BSDJOY_UHID; |
| 293 | } |
| 294 | |
| 295 | { |
| 296 | int ax; |
| 297 | for (ax = 0; ax < JOYAXE_count; ax++) |
| 298 | hw->axis_map[ax] = -1; |
| 299 | } |
| 300 | hw->repdesc = hid_get_report_desc(fd); |
| 301 | if (hw->repdesc == NULL) { |
| 302 | SDL_SetError("%s: USB_GET_REPORT_DESC: %s", hw->path, |
| 303 | strerror(errno)); |
| 304 | goto usberr; |
| 305 | } |
| 306 | #if defined(__FREEBSD__) && (__FreeBSD_kernel_version > 800063) |
| 307 | rep->rid = hid_get_report_id(fd); |
| 308 | if (rep->rid < 0) { |
| 309 | #else |
| 310 | rep = &hw->inreport; |
| 311 | if (ioctl(fd, USB_GET_REPORT_ID, &rep->rid) < 0) { |
| 312 | #endif |
| 313 | rep->rid = -1; /* XXX */ |
| 314 | } |
| 315 | if (report_alloc(rep, hw->repdesc, REPORT_INPUT) < 0) { |
| 316 | goto usberr; |
| 317 | } |
| 318 | if (rep->size <= 0) { |
| 319 | SDL_SetError("%s: Input report descriptor has invalid length", |
| 320 | hw->path); |
| 321 | goto usberr; |
| 322 | } |
| 323 | |
| 324 | #if defined(USBHID_NEW) || (defined(__FREEBSD__) && __FreeBSD_kernel_version >= 500111) |
| 325 | hdata = hid_start_parse(hw->repdesc, 1 << hid_input, rep->rid); |
| 326 | #else |
| 327 | hdata = hid_start_parse(hw->repdesc, 1 << hid_input); |
| 328 | #endif |
| 329 | if (hdata == NULL) { |
| 330 | SDL_SetError("%s: Cannot start HID parser", hw->path); |
| 331 | goto usberr; |
| 332 | } |
| 333 | joy->naxes = 0; |
| 334 | joy->nbuttons = 0; |
| 335 | joy->nhats = 0; |
| 336 | joy->nballs = 0; |
| 337 | for (i=0; i<JOYAXE_count; i++) |
| 338 | hw->axis_map[i] = -1; |
| 339 | |
| 340 | while (hid_get_item(hdata, &hitem) > 0) { |
| 341 | char *sp; |
| 342 | const char *s; |
| 343 | |
| 344 | switch (hitem.kind) { |
| 345 | case hid_collection: |
| 346 | switch (HID_PAGE(hitem.usage)) { |
| 347 | case HUP_GENERIC_DESKTOP: |
| 348 | switch (HID_USAGE(hitem.usage)) { |
| 349 | case HUG_JOYSTICK: |
| 350 | case HUG_GAME_PAD: |
| 351 | s = hid_usage_in_page(hitem.usage); |
| 352 | sp = SDL_malloc(SDL_strlen(s) + 5); |
| 353 | SDL_snprintf(sp, SDL_strlen(s) + 5, "%s (%d)", s, |
| 354 | joy->index); |
| 355 | joydevnames[joy->index] = sp; |
| 356 | } |
| 357 | } |
| 358 | break; |
| 359 | case hid_input: |
| 360 | switch (HID_PAGE(hitem.usage)) { |
| 361 | case HUP_GENERIC_DESKTOP: { |
| 362 | unsigned usage = HID_USAGE(hitem.usage); |
| 363 | int joyaxe = usage_to_joyaxe(usage); |
| 364 | if (joyaxe >= 0) { |
| 365 | hw->axis_map[joyaxe] = 1; |
| 366 | } else if (usage == HUG_HAT_SWITCH) { |
| 367 | joy->nhats++; |
| 368 | } |
| 369 | break; |
| 370 | } |
| 371 | case HUP_BUTTON: |
| 372 | joy->nbuttons++; |
| 373 | break; |
| 374 | default: |
| 375 | break; |
| 376 | } |
| 377 | break; |
| 378 | default: |
| 379 | break; |
| 380 | } |
| 381 | } |
| 382 | hid_end_parse(hdata); |
| 383 | for (i=0; i<JOYAXE_count; i++) |
| 384 | if (hw->axis_map[i] > 0) |
| 385 | hw->axis_map[i] = joy->naxes++; |
| 386 | |
| 387 | usbend: |
| 388 | /* The poll blocks the event thread. */ |
| 389 | fcntl(fd, F_SETFL, O_NONBLOCK); |
| 390 | |
| 391 | return (0); |
| 392 | usberr: |
| 393 | close(hw->fd); |
| 394 | SDL_free(hw->path); |
| 395 | SDL_free(hw); |
| 396 | return (-1); |
| 397 | } |
| 398 | |
| 399 | void |
| 400 | SDL_SYS_JoystickUpdate(SDL_Joystick *joy) |
| 401 | { |
| 402 | struct hid_item hitem; |
| 403 | struct hid_data *hdata; |
| 404 | struct report *rep; |
| 405 | int nbutton, naxe = -1; |
| 406 | Sint32 v; |
| 407 | |
| 408 | #if defined(__FREEBSD__) || SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H |
| 409 | struct joystick gameport; |
| 410 | |
| 411 | if (joy->hwdata->type == BSDJOY_JOY) { |
| 412 | if (read(joy->hwdata->fd, &gameport, sizeof gameport) != sizeof gameport) |
| 413 | return; |
| 414 | if (abs(joy->hwdata->x - gameport.x) > 8) { |
| 415 | joy->hwdata->x = gameport.x; |
| 416 | if (joy->hwdata->x < joy->hwdata->xmin) { |
| 417 | joy->hwdata->xmin = joy->hwdata->x; |
| 418 | } |
| 419 | if (joy->hwdata->x > joy->hwdata->xmax) { |
| 420 | joy->hwdata->xmax = joy->hwdata->x; |
| 421 | } |
| 422 | if (joy->hwdata->xmin == joy->hwdata->xmax) { |
| 423 | joy->hwdata->xmin--; |
| 424 | joy->hwdata->xmax++; |
| 425 | } |
| 426 | v = (Sint32)joy->hwdata->x; |
| 427 | v -= (joy->hwdata->xmax + joy->hwdata->xmin + 1)/2; |
| 428 | v *= 32768/((joy->hwdata->xmax - joy->hwdata->xmin + 1)/2); |
| 429 | SDL_PrivateJoystickAxis(joy, 0, v); |
| 430 | } |
| 431 | if (abs(joy->hwdata->y - gameport.y) > 8) { |
| 432 | joy->hwdata->y = gameport.y; |
| 433 | if (joy->hwdata->y < joy->hwdata->ymin) { |
| 434 | joy->hwdata->ymin = joy->hwdata->y; |
| 435 | } |
| 436 | if (joy->hwdata->y > joy->hwdata->ymax) { |
| 437 | joy->hwdata->ymax = joy->hwdata->y; |
| 438 | } |
| 439 | if (joy->hwdata->ymin == joy->hwdata->ymax) { |
| 440 | joy->hwdata->ymin--; |
| 441 | joy->hwdata->ymax++; |
| 442 | } |
| 443 | v = (Sint32)joy->hwdata->y; |
| 444 | v -= (joy->hwdata->ymax + joy->hwdata->ymin + 1)/2; |
| 445 | v *= 32768/((joy->hwdata->ymax - joy->hwdata->ymin + 1)/2); |
| 446 | SDL_PrivateJoystickAxis(joy, 1, v); |
| 447 | } |
| 448 | if (gameport.b1 != joy->buttons[0]) { |
| 449 | SDL_PrivateJoystickButton(joy, 0, gameport.b1); |
| 450 | } |
| 451 | if (gameport.b2 != joy->buttons[1]) { |
| 452 | SDL_PrivateJoystickButton(joy, 1, gameport.b2); |
| 453 | } |
| 454 | return; |
| 455 | } |
| 456 | #endif /* defined(__FREEBSD__) || SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H */ |
| 457 | |
| 458 | rep = &joy->hwdata->inreport; |
| 459 | |
| 460 | if (read(joy->hwdata->fd, REP_BUF_DATA(rep), rep->size) != rep->size) { |
| 461 | return; |
| 462 | } |
| 463 | #if defined(USBHID_NEW) || (defined(__FREEBSD__) && __FreeBSD_kernel_version >= 500111) |
| 464 | hdata = hid_start_parse(joy->hwdata->repdesc, 1 << hid_input, rep->rid); |
| 465 | #else |
| 466 | hdata = hid_start_parse(joy->hwdata->repdesc, 1 << hid_input); |
| 467 | #endif |
| 468 | if (hdata == NULL) { |
| 469 | fprintf(stderr, "%s: Cannot start HID parser\n", |
| 470 | joy->hwdata->path); |
| 471 | return; |
| 472 | } |
| 473 | |
| 474 | for (nbutton = 0; hid_get_item(hdata, &hitem) > 0;) { |
| 475 | switch (hitem.kind) { |
| 476 | case hid_input: |
| 477 | switch (HID_PAGE(hitem.usage)) { |
| 478 | case HUP_GENERIC_DESKTOP: { |
| 479 | unsigned usage = HID_USAGE(hitem.usage); |
| 480 | int joyaxe = usage_to_joyaxe(usage); |
| 481 | if (joyaxe >= 0) { |
| 482 | naxe = joy->hwdata->axis_map[joyaxe]; |
| 483 | /* scaleaxe */ |
| 484 | v = (Sint32)hid_get_data(REP_BUF_DATA(rep), |
| 485 | &hitem); |
| 486 | v -= (hitem.logical_maximum + hitem.logical_minimum + 1)/2; |
| 487 | v *= 32768/((hitem.logical_maximum - hitem.logical_minimum + 1)/2); |
| 488 | if (v != joy->axes[naxe]) { |
| 489 | SDL_PrivateJoystickAxis(joy, naxe, v); |
| 490 | } |
| 491 | } else if (usage == HUG_HAT_SWITCH) { |
| 492 | v = (Sint32)hid_get_data(REP_BUF_DATA(rep), |
| 493 | &hitem); |
| 494 | SDL_PrivateJoystickHat(joy, 0, |
| 495 | hatval_to_sdl(v)-hitem.logical_minimum); |
| 496 | } |
| 497 | break; |
| 498 | } |
| 499 | case HUP_BUTTON: |
| 500 | v = (Sint32)hid_get_data(REP_BUF_DATA(rep), |
| 501 | &hitem); |
| 502 | if (joy->buttons[nbutton] != v) { |
| 503 | SDL_PrivateJoystickButton(joy, |
| 504 | nbutton, v); |
| 505 | } |
| 506 | nbutton++; |
| 507 | break; |
| 508 | default: |
| 509 | continue; |
| 510 | } |
| 511 | break; |
| 512 | default: |
| 513 | break; |
| 514 | } |
| 515 | } |
| 516 | hid_end_parse(hdata); |
| 517 | |
| 518 | return; |
| 519 | } |
| 520 | |
| 521 | /* Function to close a joystick after use */ |
| 522 | void |
| 523 | SDL_SYS_JoystickClose(SDL_Joystick *joy) |
| 524 | { |
| 525 | if (SDL_strncmp(joy->hwdata->path, "/dev/joy", 8)) { |
| 526 | report_free(&joy->hwdata->inreport); |
| 527 | hid_dispose_report_desc(joy->hwdata->repdesc); |
| 528 | } |
| 529 | close(joy->hwdata->fd); |
| 530 | SDL_free(joy->hwdata->path); |
| 531 | SDL_free(joy->hwdata); |
| 532 | |
| 533 | return; |
| 534 | } |
| 535 | |
| 536 | void |
| 537 | SDL_SYS_JoystickQuit(void) |
| 538 | { |
| 539 | int i; |
| 540 | |
| 541 | for (i = 0; i < MAX_JOYS; i++) { |
| 542 | if (joynames[i] != NULL) |
| 543 | SDL_free(joynames[i]); |
| 544 | if (joydevnames[i] != NULL) |
| 545 | SDL_free(joydevnames[i]); |
| 546 | } |
| 547 | |
| 548 | return; |
| 549 | } |
| 550 | |
| 551 | static int |
| 552 | report_alloc(struct report *r, struct report_desc *rd, int repind) |
| 553 | { |
| 554 | int len; |
| 555 | |
| 556 | #ifdef __DragonFly__ |
| 557 | len = hid_report_size(rd, r->rid, repinfo[repind].kind); |
| 558 | #elif __FREEBSD__ |
| 559 | # if (__FreeBSD_kernel_version >= 460000) || defined(__FreeBSD_kernel__) |
| 560 | # if (__FreeBSD_kernel_version <= 500111) |
| 561 | len = hid_report_size(rd, r->rid, repinfo[repind].kind); |
| 562 | # else |
| 563 | len = hid_report_size(rd, repinfo[repind].kind, r->rid); |
| 564 | # endif |
| 565 | # else |
| 566 | len = hid_report_size(rd, repinfo[repind].kind, &r->rid); |
| 567 | # endif |
| 568 | #else |
| 569 | # ifdef USBHID_NEW |
| 570 | len = hid_report_size(rd, repinfo[repind].kind, r->rid); |
| 571 | # else |
| 572 | len = hid_report_size(rd, repinfo[repind].kind, &r->rid); |
| 573 | # endif |
| 574 | #endif |
| 575 | |
| 576 | if (len < 0) { |
| 577 | SDL_SetError("Negative HID report size"); |
| 578 | return (-1); |
| 579 | } |
| 580 | r->size = len; |
| 581 | |
| 582 | if (r->size > 0) { |
| 583 | r->buf = SDL_malloc(sizeof(*r->buf) - sizeof(REP_BUF_DATA(r)) + |
| 584 | r->size); |
| 585 | if (r->buf == NULL) { |
| 586 | SDL_OutOfMemory(); |
| 587 | return (-1); |
| 588 | } |
| 589 | } else { |
| 590 | r->buf = NULL; |
| 591 | } |
| 592 | |
| 593 | r->status = SREPORT_CLEAN; |
| 594 | return (0); |
| 595 | } |
| 596 | |
| 597 | static void |
| 598 | report_free(struct report *r) |
| 599 | { |
| 600 | if (r->buf != NULL) { |
| 601 | SDL_free(r->buf); |
| 602 | } |
| 603 | r->status = SREPORT_UNINIT; |
| 604 | } |
| 605 | |
| 606 | #endif /* SDL_JOYSTICK_USBHID */ |