diff options
| author | 3gg <3gg@shellblade.net> | 2025-12-27 12:03:39 -0800 |
|---|---|---|
| committer | 3gg <3gg@shellblade.net> | 2025-12-27 12:03:39 -0800 |
| commit | 5a079a2d114f96d4847d1ee305d5b7c16eeec50e (patch) | |
| tree | 8926ab44f168acf787d8e19608857b3af0f82758 /contrib/SDL-3.2.8/src/joystick/bsd | |
Initial commit
Diffstat (limited to 'contrib/SDL-3.2.8/src/joystick/bsd')
| -rw-r--r-- | contrib/SDL-3.2.8/src/joystick/bsd/SDL_bsdjoystick.c | 868 |
1 files changed, 868 insertions, 0 deletions
diff --git a/contrib/SDL-3.2.8/src/joystick/bsd/SDL_bsdjoystick.c b/contrib/SDL-3.2.8/src/joystick/bsd/SDL_bsdjoystick.c new file mode 100644 index 0000000..b3fd3e9 --- /dev/null +++ b/contrib/SDL-3.2.8/src/joystick/bsd/SDL_bsdjoystick.c | |||
| @@ -0,0 +1,868 @@ | |||
| 1 | /* | ||
| 2 | Simple DirectMedia Layer | ||
| 3 | Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org> | ||
| 4 | |||
| 5 | This software is provided 'as-is', without any express or implied | ||
| 6 | warranty. In no event will the authors be held liable for any damages | ||
| 7 | arising from the use of this software. | ||
| 8 | |||
| 9 | Permission is granted to anyone to use this software for any purpose, | ||
| 10 | including commercial applications, and to alter it and redistribute it | ||
| 11 | freely, subject to the following restrictions: | ||
| 12 | |||
| 13 | 1. The origin of this software must not be misrepresented; you must not | ||
| 14 | claim that you wrote the original software. If you use this software | ||
| 15 | in a product, an acknowledgment in the product documentation would be | ||
| 16 | appreciated but is not required. | ||
| 17 | 2. Altered source versions must be plainly marked as such, and must not be | ||
| 18 | misrepresented as being the original software. | ||
| 19 | 3. This notice may not be removed or altered from any source distribution. | ||
| 20 | */ | ||
| 21 | #include "SDL_internal.h" | ||
| 22 | |||
| 23 | #ifdef SDL_JOYSTICK_USBHID | ||
| 24 | |||
| 25 | /* | ||
| 26 | * Joystick driver for the uhid(4) / ujoy(4) interface found in OpenBSD, | ||
| 27 | * NetBSD and FreeBSD. | ||
| 28 | * | ||
| 29 | * Maintainer: <vedge at csoft.org> | ||
| 30 | */ | ||
| 31 | |||
| 32 | #include <sys/param.h> | ||
| 33 | #include <sys/stat.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 | #ifdef HAVE_USB_H | ||
| 44 | #include <usb.h> | ||
| 45 | #endif | ||
| 46 | #ifdef __DragonFly__ | ||
| 47 | #include <bus/u4b/usb.h> | ||
| 48 | #include <bus/u4b/usbhid.h> | ||
| 49 | #else | ||
| 50 | #include <dev/usb/usb.h> | ||
| 51 | #include <dev/usb/usbhid.h> | ||
| 52 | #endif | ||
| 53 | |||
| 54 | #ifdef 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 | #if defined(SDL_PLATFORM_FREEBSD) | ||
| 63 | #include <osreldate.h> | ||
| 64 | #if __FreeBSD_kernel_version > 800063 | ||
| 65 | #include <dev/usb/usb_ioctl.h> | ||
| 66 | #elif defined(__DragonFly__) | ||
| 67 | #include <bus/u4b/usb_ioctl.h> | ||
| 68 | #endif | ||
| 69 | #include <sys/joystick.h> | ||
| 70 | #endif | ||
| 71 | |||
| 72 | #ifdef SDL_HAVE_MACHINE_JOYSTICK_H | ||
| 73 | #include <machine/joystick.h> | ||
| 74 | #endif | ||
| 75 | |||
| 76 | #include "../SDL_sysjoystick.h" | ||
| 77 | #include "../SDL_joystick_c.h" | ||
| 78 | #include "../hidapi/SDL_hidapijoystick_c.h" | ||
| 79 | |||
| 80 | #if defined(SDL_PLATFORM_FREEBSD) || defined(SDL_HAVE_MACHINE_JOYSTICK_H) || defined(__FreeBSD_kernel__) || defined(__DragonFly_) | ||
| 81 | #define SUPPORT_JOY_GAMEPORT | ||
| 82 | #endif | ||
| 83 | |||
| 84 | #define MAX_UHID_JOYS 64 | ||
| 85 | #define MAX_JOY_JOYS 2 | ||
| 86 | #define MAX_JOYS (MAX_UHID_JOYS + MAX_JOY_JOYS) | ||
| 87 | |||
| 88 | #ifdef SDL_PLATFORM_OPENBSD | ||
| 89 | |||
| 90 | #define HUG_DPAD_UP 0x90 | ||
| 91 | #define HUG_DPAD_DOWN 0x91 | ||
| 92 | #define HUG_DPAD_RIGHT 0x92 | ||
| 93 | #define HUG_DPAD_LEFT 0x93 | ||
| 94 | |||
| 95 | #define HAT_UP 0x01 | ||
| 96 | #define HAT_RIGHT 0x02 | ||
| 97 | #define HAT_DOWN 0x04 | ||
| 98 | #define HAT_LEFT 0x08 | ||
| 99 | |||
| 100 | #endif | ||
| 101 | |||
| 102 | struct report | ||
| 103 | { | ||
| 104 | #if defined(SDL_PLATFORM_FREEBSD) && (__FreeBSD_kernel_version > 900000) || \ | ||
| 105 | defined(__DragonFly__) | ||
| 106 | void *buf; // Buffer | ||
| 107 | #elif defined(SDL_PLATFORM_FREEBSD) && (__FreeBSD_kernel_version > 800063) | ||
| 108 | struct usb_gen_descriptor *buf; // Buffer | ||
| 109 | #else | ||
| 110 | struct usb_ctl_report *buf; // Buffer | ||
| 111 | #endif | ||
| 112 | size_t size; // Buffer size | ||
| 113 | int rid; // Report ID | ||
| 114 | enum | ||
| 115 | { | ||
| 116 | SREPORT_UNINIT, | ||
| 117 | SREPORT_CLEAN, | ||
| 118 | SREPORT_DIRTY | ||
| 119 | } status; | ||
| 120 | }; | ||
| 121 | |||
| 122 | static struct | ||
| 123 | { | ||
| 124 | int uhid_report; | ||
| 125 | hid_kind_t kind; | ||
| 126 | const char *name; | ||
| 127 | } const repinfo[] = { | ||
| 128 | { UHID_INPUT_REPORT, hid_input, "input" }, | ||
| 129 | { UHID_OUTPUT_REPORT, hid_output, "output" }, | ||
| 130 | { UHID_FEATURE_REPORT, hid_feature, "feature" } | ||
| 131 | }; | ||
| 132 | |||
| 133 | enum | ||
| 134 | { | ||
| 135 | REPORT_INPUT = 0, | ||
| 136 | REPORT_OUTPUT = 1, | ||
| 137 | REPORT_FEATURE = 2 | ||
| 138 | }; | ||
| 139 | |||
| 140 | enum | ||
| 141 | { | ||
| 142 | JOYAXE_X, | ||
| 143 | JOYAXE_Y, | ||
| 144 | JOYAXE_Z, | ||
| 145 | JOYAXE_SLIDER, | ||
| 146 | JOYAXE_WHEEL, | ||
| 147 | JOYAXE_RX, | ||
| 148 | JOYAXE_RY, | ||
| 149 | JOYAXE_RZ, | ||
| 150 | JOYAXE_count | ||
| 151 | }; | ||
| 152 | |||
| 153 | struct joystick_hwdata | ||
| 154 | { | ||
| 155 | int fd; | ||
| 156 | enum | ||
| 157 | { | ||
| 158 | BSDJOY_UHID, // uhid(4) | ||
| 159 | BSDJOY_JOY // joy(4) | ||
| 160 | } type; | ||
| 161 | |||
| 162 | int naxes; | ||
| 163 | int nbuttons; | ||
| 164 | int nhats; | ||
| 165 | struct report_desc *repdesc; | ||
| 166 | struct report inreport; | ||
| 167 | int axis_map[JOYAXE_count]; /* map present JOYAXE_* to 0,1,.. */ | ||
| 168 | }; | ||
| 169 | |||
| 170 | // A linked list of available joysticks | ||
| 171 | typedef struct SDL_joylist_item | ||
| 172 | { | ||
| 173 | SDL_JoystickID device_instance; | ||
| 174 | char *path; // "/dev/uhid0" or whatever | ||
| 175 | char *name; // "SideWinder 3D Pro" or whatever | ||
| 176 | SDL_GUID guid; | ||
| 177 | dev_t devnum; | ||
| 178 | struct SDL_joylist_item *next; | ||
| 179 | } SDL_joylist_item; | ||
| 180 | |||
| 181 | static SDL_joylist_item *SDL_joylist = NULL; | ||
| 182 | static SDL_joylist_item *SDL_joylist_tail = NULL; | ||
| 183 | static int numjoysticks = 0; | ||
| 184 | |||
| 185 | static bool report_alloc(struct report *, struct report_desc *, int); | ||
| 186 | static void report_free(struct report *); | ||
| 187 | |||
| 188 | #if defined(USBHID_UCR_DATA) || (defined(__FreeBSD_kernel__) && __FreeBSD_kernel_version <= 800063) | ||
| 189 | #define REP_BUF_DATA(rep) ((rep)->buf->ucr_data) | ||
| 190 | #elif (defined(SDL_PLATFORM_FREEBSD) && (__FreeBSD_kernel_version > 900000)) || \ | ||
| 191 | defined(__DragonFly__) | ||
| 192 | #define REP_BUF_DATA(rep) ((rep)->buf) | ||
| 193 | #elif (defined(SDL_PLATFORM_FREEBSD) && (__FreeBSD_kernel_version > 800063)) | ||
| 194 | #define REP_BUF_DATA(rep) ((rep)->buf->ugd_data) | ||
| 195 | #else | ||
| 196 | #define REP_BUF_DATA(rep) ((rep)->buf->data) | ||
| 197 | #endif | ||
| 198 | |||
| 199 | static int usage_to_joyaxe(int usage) | ||
| 200 | { | ||
| 201 | int joyaxe; | ||
| 202 | switch (usage) { | ||
| 203 | case HUG_X: | ||
| 204 | joyaxe = JOYAXE_X; | ||
| 205 | break; | ||
| 206 | case HUG_Y: | ||
| 207 | joyaxe = JOYAXE_Y; | ||
| 208 | break; | ||
| 209 | case HUG_Z: | ||
| 210 | joyaxe = JOYAXE_Z; | ||
| 211 | break; | ||
| 212 | case HUG_SLIDER: | ||
| 213 | joyaxe = JOYAXE_SLIDER; | ||
| 214 | break; | ||
| 215 | case HUG_WHEEL: | ||
| 216 | joyaxe = JOYAXE_WHEEL; | ||
| 217 | break; | ||
| 218 | case HUG_RX: | ||
| 219 | joyaxe = JOYAXE_RX; | ||
| 220 | break; | ||
| 221 | case HUG_RY: | ||
| 222 | joyaxe = JOYAXE_RY; | ||
| 223 | break; | ||
| 224 | case HUG_RZ: | ||
| 225 | joyaxe = JOYAXE_RZ; | ||
| 226 | break; | ||
| 227 | default: | ||
| 228 | joyaxe = -1; | ||
| 229 | } | ||
| 230 | return joyaxe; | ||
| 231 | } | ||
| 232 | |||
| 233 | static void FreeJoylistItem(SDL_joylist_item *item) | ||
| 234 | { | ||
| 235 | SDL_free(item->path); | ||
| 236 | SDL_free(item->name); | ||
| 237 | SDL_free(item); | ||
| 238 | } | ||
| 239 | |||
| 240 | static void FreeHwData(struct joystick_hwdata *hw) | ||
| 241 | { | ||
| 242 | if (hw->type == BSDJOY_UHID) { | ||
| 243 | report_free(&hw->inreport); | ||
| 244 | |||
| 245 | if (hw->repdesc) { | ||
| 246 | hid_dispose_report_desc(hw->repdesc); | ||
| 247 | } | ||
| 248 | } | ||
| 249 | close(hw->fd); | ||
| 250 | SDL_free(hw); | ||
| 251 | } | ||
| 252 | |||
| 253 | static struct joystick_hwdata *CreateHwData(const char *path) | ||
| 254 | { | ||
| 255 | struct joystick_hwdata *hw; | ||
| 256 | struct hid_item hitem; | ||
| 257 | struct hid_data *hdata; | ||
| 258 | struct report *rep = NULL; | ||
| 259 | int fd; | ||
| 260 | int i; | ||
| 261 | |||
| 262 | fd = open(path, O_RDONLY | O_CLOEXEC); | ||
| 263 | if (fd == -1) { | ||
| 264 | SDL_SetError("%s: %s", path, strerror(errno)); | ||
| 265 | return NULL; | ||
| 266 | } | ||
| 267 | |||
| 268 | hw = (struct joystick_hwdata *) | ||
| 269 | SDL_calloc(1, sizeof(struct joystick_hwdata)); | ||
| 270 | if (!hw) { | ||
| 271 | close(fd); | ||
| 272 | return NULL; | ||
| 273 | } | ||
| 274 | hw->fd = fd; | ||
| 275 | |||
| 276 | #ifdef SUPPORT_JOY_GAMEPORT | ||
| 277 | if (SDL_strncmp(path, "/dev/joy", 8) == 0) { | ||
| 278 | hw->type = BSDJOY_JOY; | ||
| 279 | hw->naxes = 2; | ||
| 280 | hw->nbuttons = 2; | ||
| 281 | } else | ||
| 282 | #endif | ||
| 283 | { | ||
| 284 | hw->type = BSDJOY_UHID; | ||
| 285 | { | ||
| 286 | int ax; | ||
| 287 | for (ax = 0; ax < JOYAXE_count; ax++) { | ||
| 288 | hw->axis_map[ax] = -1; | ||
| 289 | } | ||
| 290 | } | ||
| 291 | hw->repdesc = hid_get_report_desc(fd); | ||
| 292 | if (!hw->repdesc) { | ||
| 293 | SDL_SetError("%s: USB_GET_REPORT_DESC: %s", path, | ||
| 294 | strerror(errno)); | ||
| 295 | goto usberr; | ||
| 296 | } | ||
| 297 | rep = &hw->inreport; | ||
| 298 | #if defined(SDL_PLATFORM_FREEBSD) && (__FreeBSD_kernel_version > 800063) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) | ||
| 299 | rep->rid = hid_get_report_id(fd); | ||
| 300 | if (rep->rid < 0) { | ||
| 301 | #else | ||
| 302 | if (ioctl(fd, USB_GET_REPORT_ID, &rep->rid) < 0) { | ||
| 303 | #endif | ||
| 304 | rep->rid = -1; // XXX | ||
| 305 | } | ||
| 306 | if (!report_alloc(rep, hw->repdesc, REPORT_INPUT)) { | ||
| 307 | goto usberr; | ||
| 308 | } | ||
| 309 | if (rep->size <= 0) { | ||
| 310 | SDL_SetError("%s: Input report descriptor has invalid length", | ||
| 311 | path); | ||
| 312 | goto usberr; | ||
| 313 | } | ||
| 314 | #if defined(USBHID_NEW) || (defined(SDL_PLATFORM_FREEBSD) && __FreeBSD_kernel_version >= 500111) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) | ||
| 315 | hdata = hid_start_parse(hw->repdesc, 1 << hid_input, rep->rid); | ||
| 316 | #else | ||
| 317 | hdata = hid_start_parse(hw->repdesc, 1 << hid_input); | ||
| 318 | #endif | ||
| 319 | if (!hdata) { | ||
| 320 | SDL_SetError("%s: Cannot start HID parser", path); | ||
| 321 | goto usberr; | ||
| 322 | } | ||
| 323 | for (i = 0; i < JOYAXE_count; i++) { | ||
| 324 | hw->axis_map[i] = -1; | ||
| 325 | } | ||
| 326 | |||
| 327 | while (hid_get_item(hdata, &hitem) > 0) { | ||
| 328 | switch (hitem.kind) { | ||
| 329 | case hid_input: | ||
| 330 | switch (HID_PAGE(hitem.usage)) { | ||
| 331 | case HUP_GENERIC_DESKTOP: | ||
| 332 | { | ||
| 333 | int usage = HID_USAGE(hitem.usage); | ||
| 334 | int joyaxe = usage_to_joyaxe(usage); | ||
| 335 | if (joyaxe >= 0) { | ||
| 336 | hw->axis_map[joyaxe] = 1; | ||
| 337 | } else if (usage == HUG_HAT_SWITCH | ||
| 338 | #ifdef SDL_PLATFORM_OPENBSD | ||
| 339 | || usage == HUG_DPAD_UP | ||
| 340 | #endif | ||
| 341 | ) { | ||
| 342 | hw->nhats++; | ||
| 343 | } | ||
| 344 | break; | ||
| 345 | } | ||
| 346 | case HUP_BUTTON: | ||
| 347 | { | ||
| 348 | int usage = HID_USAGE(hitem.usage); | ||
| 349 | if (usage > hw->nbuttons) { | ||
| 350 | hw->nbuttons = usage; | ||
| 351 | } | ||
| 352 | } break; | ||
| 353 | default: | ||
| 354 | break; | ||
| 355 | } | ||
| 356 | break; | ||
| 357 | default: | ||
| 358 | break; | ||
| 359 | } | ||
| 360 | } | ||
| 361 | hid_end_parse(hdata); | ||
| 362 | for (i = 0; i < JOYAXE_count; i++) { | ||
| 363 | if (hw->axis_map[i] > 0) { | ||
| 364 | hw->axis_map[i] = hw->naxes++; | ||
| 365 | } | ||
| 366 | } | ||
| 367 | |||
| 368 | if (hw->naxes == 0 && hw->nbuttons == 0 && hw->nhats == 0) { | ||
| 369 | SDL_SetError("%s: Not a joystick, ignoring", path); | ||
| 370 | goto usberr; | ||
| 371 | } | ||
| 372 | } | ||
| 373 | |||
| 374 | // The poll blocks the event thread. | ||
| 375 | fcntl(fd, F_SETFL, O_NONBLOCK); | ||
| 376 | #ifdef SDL_PLATFORM_NETBSD | ||
| 377 | // Flush pending events | ||
| 378 | if (rep) { | ||
| 379 | while (read(fd, REP_BUF_DATA(rep), rep->size) == rep->size) | ||
| 380 | ; | ||
| 381 | } | ||
| 382 | #endif | ||
| 383 | |||
| 384 | return hw; | ||
| 385 | |||
| 386 | usberr: | ||
| 387 | FreeHwData(hw); | ||
| 388 | return NULL; | ||
| 389 | } | ||
| 390 | |||
| 391 | static bool MaybeAddDevice(const char *path) | ||
| 392 | { | ||
| 393 | struct stat sb; | ||
| 394 | char *name = NULL; | ||
| 395 | SDL_GUID guid; | ||
| 396 | SDL_joylist_item *item; | ||
| 397 | struct joystick_hwdata *hw; | ||
| 398 | |||
| 399 | if (!path) { | ||
| 400 | return false; | ||
| 401 | } | ||
| 402 | |||
| 403 | if (stat(path, &sb) == -1) { | ||
| 404 | return false; | ||
| 405 | } | ||
| 406 | |||
| 407 | // Check to make sure it's not already in list. | ||
| 408 | for (item = SDL_joylist; item; item = item->next) { | ||
| 409 | if (sb.st_rdev == item->devnum) { | ||
| 410 | return false; // already have this one | ||
| 411 | } | ||
| 412 | } | ||
| 413 | |||
| 414 | hw = CreateHwData(path); | ||
| 415 | if (!hw) { | ||
| 416 | return false; | ||
| 417 | } | ||
| 418 | |||
| 419 | if (hw->type == BSDJOY_JOY) { | ||
| 420 | name = SDL_strdup("Gameport joystick"); | ||
| 421 | guid = SDL_CreateJoystickGUIDForName(name); | ||
| 422 | } else { | ||
| 423 | #ifdef USB_GET_DEVICEINFO | ||
| 424 | struct usb_device_info di; | ||
| 425 | if (ioctl(hw->fd, USB_GET_DEVICEINFO, &di) != -1) { | ||
| 426 | name = SDL_CreateJoystickName(di.udi_vendorNo, di.udi_productNo, di.udi_vendor, di.udi_product); | ||
| 427 | guid = SDL_CreateJoystickGUID(SDL_HARDWARE_BUS_USB, di.udi_vendorNo, di.udi_productNo, di.udi_releaseNo, di.udi_vendor, di.udi_product, 0, 0); | ||
| 428 | |||
| 429 | if (SDL_ShouldIgnoreJoystick(di.udi_vendorNo, di.udi_productNo, di.udi_releaseNo, name) || | ||
| 430 | SDL_JoystickHandledByAnotherDriver(&SDL_BSD_JoystickDriver, di.udi_vendorNo, di.udi_productNo, di.udi_releaseNo, name)) { | ||
| 431 | SDL_free(name); | ||
| 432 | FreeHwData(hw); | ||
| 433 | return false; | ||
| 434 | } | ||
| 435 | } | ||
| 436 | #endif // USB_GET_DEVICEINFO | ||
| 437 | } | ||
| 438 | if (!name) { | ||
| 439 | name = SDL_strdup(path); | ||
| 440 | guid = SDL_CreateJoystickGUIDForName(name); | ||
| 441 | } | ||
| 442 | FreeHwData(hw); | ||
| 443 | |||
| 444 | item = (SDL_joylist_item *)SDL_calloc(1, sizeof(SDL_joylist_item)); | ||
| 445 | if (!item) { | ||
| 446 | SDL_free(name); | ||
| 447 | return false; | ||
| 448 | } | ||
| 449 | |||
| 450 | item->devnum = sb.st_rdev; | ||
| 451 | item->path = SDL_strdup(path); | ||
| 452 | item->name = name; | ||
| 453 | item->guid = guid; | ||
| 454 | |||
| 455 | if ((!item->path) || (!item->name)) { | ||
| 456 | FreeJoylistItem(item); | ||
| 457 | return false; | ||
| 458 | } | ||
| 459 | |||
| 460 | item->device_instance = SDL_GetNextObjectID(); | ||
| 461 | if (!SDL_joylist_tail) { | ||
| 462 | SDL_joylist = SDL_joylist_tail = item; | ||
| 463 | } else { | ||
| 464 | SDL_joylist_tail->next = item; | ||
| 465 | SDL_joylist_tail = item; | ||
| 466 | } | ||
| 467 | |||
| 468 | // Need to increment the joystick count before we post the event | ||
| 469 | ++numjoysticks; | ||
| 470 | |||
| 471 | SDL_PrivateJoystickAdded(item->device_instance); | ||
| 472 | |||
| 473 | return true; | ||
| 474 | } | ||
| 475 | |||
| 476 | static bool BSD_JoystickInit(void) | ||
| 477 | { | ||
| 478 | char s[16]; | ||
| 479 | int i; | ||
| 480 | |||
| 481 | for (i = 0; i < MAX_UHID_JOYS; i++) { | ||
| 482 | #if defined(SDL_PLATFORM_OPENBSD) && (OpenBSD >= 202105) | ||
| 483 | SDL_snprintf(s, SDL_arraysize(s), "/dev/ujoy/%d", i); | ||
| 484 | #else | ||
| 485 | SDL_snprintf(s, SDL_arraysize(s), "/dev/uhid%d", i); | ||
| 486 | #endif | ||
| 487 | MaybeAddDevice(s); | ||
| 488 | } | ||
| 489 | #ifdef SUPPORT_JOY_GAMEPORT | ||
| 490 | for (i = 0; i < MAX_JOY_JOYS; i++) { | ||
| 491 | SDL_snprintf(s, SDL_arraysize(s), "/dev/joy%d", i); | ||
| 492 | MaybeAddDevice(s); | ||
| 493 | } | ||
| 494 | #endif // SUPPORT_JOY_GAMEPORT | ||
| 495 | |||
| 496 | // Read the default USB HID usage table. | ||
| 497 | hid_init(NULL); | ||
| 498 | |||
| 499 | return true; | ||
| 500 | } | ||
| 501 | |||
| 502 | static int BSD_JoystickGetCount(void) | ||
| 503 | { | ||
| 504 | return numjoysticks; | ||
| 505 | } | ||
| 506 | |||
| 507 | static void BSD_JoystickDetect(void) | ||
| 508 | { | ||
| 509 | } | ||
| 510 | |||
| 511 | static bool BSD_JoystickIsDevicePresent(Uint16 vendor_id, Uint16 product_id, Uint16 version, const char *name) | ||
| 512 | { | ||
| 513 | // We don't override any other drivers | ||
| 514 | return false; | ||
| 515 | } | ||
| 516 | |||
| 517 | static SDL_joylist_item *GetJoystickByDevIndex(int device_index) | ||
| 518 | { | ||
| 519 | SDL_joylist_item *item = SDL_joylist; | ||
| 520 | |||
| 521 | if ((device_index < 0) || (device_index >= numjoysticks)) { | ||
| 522 | return NULL; | ||
| 523 | } | ||
| 524 | |||
| 525 | while (device_index > 0) { | ||
| 526 | SDL_assert(item != NULL); | ||
| 527 | device_index--; | ||
| 528 | item = item->next; | ||
| 529 | } | ||
| 530 | |||
| 531 | return item; | ||
| 532 | } | ||
| 533 | |||
| 534 | static const char *BSD_JoystickGetDeviceName(int device_index) | ||
| 535 | { | ||
| 536 | return GetJoystickByDevIndex(device_index)->name; | ||
| 537 | } | ||
| 538 | |||
| 539 | static const char *BSD_JoystickGetDevicePath(int device_index) | ||
| 540 | { | ||
| 541 | return GetJoystickByDevIndex(device_index)->path; | ||
| 542 | } | ||
| 543 | |||
| 544 | static int BSD_JoystickGetDeviceSteamVirtualGamepadSlot(int device_index) | ||
| 545 | { | ||
| 546 | return -1; | ||
| 547 | } | ||
| 548 | |||
| 549 | static int BSD_JoystickGetDevicePlayerIndex(int device_index) | ||
| 550 | { | ||
| 551 | return -1; | ||
| 552 | } | ||
| 553 | |||
| 554 | static void BSD_JoystickSetDevicePlayerIndex(int device_index, int player_index) | ||
| 555 | { | ||
| 556 | } | ||
| 557 | |||
| 558 | static SDL_GUID BSD_JoystickGetDeviceGUID(int device_index) | ||
| 559 | { | ||
| 560 | return GetJoystickByDevIndex(device_index)->guid; | ||
| 561 | } | ||
| 562 | |||
| 563 | // Function to perform the mapping from device index to the instance id for this index | ||
| 564 | static SDL_JoystickID BSD_JoystickGetDeviceInstanceID(int device_index) | ||
| 565 | { | ||
| 566 | return GetJoystickByDevIndex(device_index)->device_instance; | ||
| 567 | } | ||
| 568 | |||
| 569 | static unsigned hatval_to_sdl(Sint32 hatval) | ||
| 570 | { | ||
| 571 | static const unsigned hat_dir_map[8] = { | ||
| 572 | SDL_HAT_UP, SDL_HAT_RIGHTUP, SDL_HAT_RIGHT, SDL_HAT_RIGHTDOWN, | ||
| 573 | SDL_HAT_DOWN, SDL_HAT_LEFTDOWN, SDL_HAT_LEFT, SDL_HAT_LEFTUP | ||
| 574 | }; | ||
| 575 | unsigned result; | ||
| 576 | if ((hatval & 7) == hatval) | ||
| 577 | result = hat_dir_map[hatval]; | ||
| 578 | else | ||
| 579 | result = SDL_HAT_CENTERED; | ||
| 580 | return result; | ||
| 581 | } | ||
| 582 | |||
| 583 | static bool BSD_JoystickOpen(SDL_Joystick *joy, int device_index) | ||
| 584 | { | ||
| 585 | SDL_joylist_item *item = GetJoystickByDevIndex(device_index); | ||
| 586 | struct joystick_hwdata *hw; | ||
| 587 | |||
| 588 | if (!item) { | ||
| 589 | return SDL_SetError("No such device"); | ||
| 590 | } | ||
| 591 | |||
| 592 | hw = CreateHwData(item->path); | ||
| 593 | if (!hw) { | ||
| 594 | return false; | ||
| 595 | } | ||
| 596 | |||
| 597 | joy->hwdata = hw; | ||
| 598 | joy->naxes = hw->naxes; | ||
| 599 | joy->nbuttons = hw->nbuttons; | ||
| 600 | joy->nhats = hw->nhats; | ||
| 601 | |||
| 602 | return true; | ||
| 603 | } | ||
| 604 | |||
| 605 | static void BSD_JoystickUpdate(SDL_Joystick *joy) | ||
| 606 | { | ||
| 607 | struct hid_item hitem; | ||
| 608 | struct hid_data *hdata; | ||
| 609 | struct report *rep; | ||
| 610 | int nbutton, naxe = -1; | ||
| 611 | Sint32 v; | ||
| 612 | #ifdef SDL_PLATFORM_OPENBSD | ||
| 613 | Sint32 dpad[4] = { 0, 0, 0, 0 }; | ||
| 614 | #endif | ||
| 615 | Uint64 timestamp = SDL_GetTicksNS(); | ||
| 616 | |||
| 617 | #ifdef SUPPORT_JOY_GAMEPORT | ||
| 618 | struct joystick gameport; | ||
| 619 | static int x, y, xmin = 0xffff, ymin = 0xffff, xmax = 0, ymax = 0; | ||
| 620 | |||
| 621 | if (joy->hwdata->type == BSDJOY_JOY) { | ||
| 622 | while (read(joy->hwdata->fd, &gameport, sizeof(gameport)) == sizeof(gameport)) { | ||
| 623 | if (SDL_abs(x - gameport.x) > 8) { | ||
| 624 | x = gameport.x; | ||
| 625 | if (x < xmin) { | ||
| 626 | xmin = x; | ||
| 627 | } | ||
| 628 | if (x > xmax) { | ||
| 629 | xmax = x; | ||
| 630 | } | ||
| 631 | if (xmin == xmax) { | ||
| 632 | xmin--; | ||
| 633 | xmax++; | ||
| 634 | } | ||
| 635 | v = (((SDL_JOYSTICK_AXIS_MAX - SDL_JOYSTICK_AXIS_MIN) * ((Sint32)x - xmin)) / (xmax - xmin)) + SDL_JOYSTICK_AXIS_MIN; | ||
| 636 | SDL_SendJoystickAxis(timestamp, joy, 0, v); | ||
| 637 | } | ||
| 638 | if (SDL_abs(y - gameport.y) > 8) { | ||
| 639 | y = gameport.y; | ||
| 640 | if (y < ymin) { | ||
| 641 | ymin = y; | ||
| 642 | } | ||
| 643 | if (y > ymax) { | ||
| 644 | ymax = y; | ||
| 645 | } | ||
| 646 | if (ymin == ymax) { | ||
| 647 | ymin--; | ||
| 648 | ymax++; | ||
| 649 | } | ||
| 650 | v = (((SDL_JOYSTICK_AXIS_MAX - SDL_JOYSTICK_AXIS_MIN) * ((Sint32)y - ymin)) / (ymax - ymin)) + SDL_JOYSTICK_AXIS_MIN; | ||
| 651 | SDL_SendJoystickAxis(timestamp, joy, 1, v); | ||
| 652 | } | ||
| 653 | SDL_SendJoystickButton(timestamp, joy, 0, (gameport.b1 != 0)); | ||
| 654 | SDL_SendJoystickButton(timestamp, joy, 1, (gameport.b2 != 0)); | ||
| 655 | } | ||
| 656 | return; | ||
| 657 | } | ||
| 658 | #endif // SUPPORT_JOY_GAMEPORT | ||
| 659 | |||
| 660 | rep = &joy->hwdata->inreport; | ||
| 661 | |||
| 662 | while (read(joy->hwdata->fd, REP_BUF_DATA(rep), rep->size) == rep->size) { | ||
| 663 | #if defined(USBHID_NEW) || (defined(SDL_PLATFORM_FREEBSD) && __FreeBSD_kernel_version >= 500111) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) | ||
| 664 | hdata = hid_start_parse(joy->hwdata->repdesc, 1 << hid_input, rep->rid); | ||
| 665 | #else | ||
| 666 | hdata = hid_start_parse(joy->hwdata->repdesc, 1 << hid_input); | ||
| 667 | #endif | ||
| 668 | if (!hdata) { | ||
| 669 | // fprintf(stderr, "%s: Cannot start HID parser\n", joy->hwdata->path); | ||
| 670 | continue; | ||
| 671 | } | ||
| 672 | |||
| 673 | while (hid_get_item(hdata, &hitem) > 0) { | ||
| 674 | switch (hitem.kind) { | ||
| 675 | case hid_input: | ||
| 676 | switch (HID_PAGE(hitem.usage)) { | ||
| 677 | case HUP_GENERIC_DESKTOP: | ||
| 678 | { | ||
| 679 | int usage = HID_USAGE(hitem.usage); | ||
| 680 | int joyaxe = usage_to_joyaxe(usage); | ||
| 681 | if (joyaxe >= 0) { | ||
| 682 | naxe = joy->hwdata->axis_map[joyaxe]; | ||
| 683 | // scaleaxe | ||
| 684 | v = (Sint32)hid_get_data(REP_BUF_DATA(rep), &hitem); | ||
| 685 | v = (((SDL_JOYSTICK_AXIS_MAX - SDL_JOYSTICK_AXIS_MIN) * (v - hitem.logical_minimum)) / (hitem.logical_maximum - hitem.logical_minimum)) + SDL_JOYSTICK_AXIS_MIN; | ||
| 686 | SDL_SendJoystickAxis(timestamp, joy, naxe, v); | ||
| 687 | } else if (usage == HUG_HAT_SWITCH) { | ||
| 688 | v = (Sint32)hid_get_data(REP_BUF_DATA(rep), &hitem); | ||
| 689 | SDL_SendJoystickHat(timestamp, joy, 0, | ||
| 690 | hatval_to_sdl(v) - | ||
| 691 | hitem.logical_minimum); | ||
| 692 | } | ||
| 693 | #ifdef SDL_PLATFORM_OPENBSD | ||
| 694 | /* here D-pad directions are reported like separate buttons. | ||
| 695 | * calculate the SDL hat value from the 4 separate values. | ||
| 696 | */ | ||
| 697 | switch (usage) { | ||
| 698 | case HUG_DPAD_UP: | ||
| 699 | dpad[0] = (Sint32)hid_get_data(REP_BUF_DATA(rep), &hitem); | ||
| 700 | break; | ||
| 701 | case HUG_DPAD_DOWN: | ||
| 702 | dpad[1] = (Sint32)hid_get_data(REP_BUF_DATA(rep), &hitem); | ||
| 703 | break; | ||
| 704 | case HUG_DPAD_RIGHT: | ||
| 705 | dpad[2] = (Sint32)hid_get_data(REP_BUF_DATA(rep), &hitem); | ||
| 706 | break; | ||
| 707 | case HUG_DPAD_LEFT: | ||
| 708 | dpad[3] = (Sint32)hid_get_data(REP_BUF_DATA(rep), &hitem); | ||
| 709 | break; | ||
| 710 | //default: | ||
| 711 | // no-op | ||
| 712 | } | ||
| 713 | SDL_PrivateJoystickHat(joy, 0, (dpad[0] * HAT_UP) | | ||
| 714 | (dpad[1] * HAT_DOWN) | | ||
| 715 | (dpad[2] * HAT_RIGHT) | | ||
| 716 | (dpad[3] * HAT_LEFT) ); | ||
| 717 | #endif | ||
| 718 | break; | ||
| 719 | } | ||
| 720 | case HUP_BUTTON: | ||
| 721 | v = (Sint32)hid_get_data(REP_BUF_DATA(rep), &hitem); | ||
| 722 | nbutton = HID_USAGE(hitem.usage) - 1; // SDL buttons are zero-based | ||
| 723 | SDL_SendJoystickButton(timestamp, joy, nbutton, (v != 0)); | ||
| 724 | break; | ||
| 725 | default: | ||
| 726 | continue; | ||
| 727 | } | ||
| 728 | break; | ||
| 729 | default: | ||
| 730 | break; | ||
| 731 | } | ||
| 732 | } | ||
| 733 | hid_end_parse(hdata); | ||
| 734 | } | ||
| 735 | } | ||
| 736 | |||
| 737 | // Function to close a joystick after use | ||
| 738 | static void BSD_JoystickClose(SDL_Joystick *joy) | ||
| 739 | { | ||
| 740 | if (joy->hwdata) { | ||
| 741 | FreeHwData(joy->hwdata); | ||
| 742 | joy->hwdata = NULL; | ||
| 743 | } | ||
| 744 | } | ||
| 745 | |||
| 746 | static void BSD_JoystickQuit(void) | ||
| 747 | { | ||
| 748 | SDL_joylist_item *item = NULL; | ||
| 749 | SDL_joylist_item *next = NULL; | ||
| 750 | |||
| 751 | for (item = SDL_joylist; item; item = next) { | ||
| 752 | next = item->next; | ||
| 753 | FreeJoylistItem(item); | ||
| 754 | } | ||
| 755 | |||
| 756 | SDL_joylist = SDL_joylist_tail = NULL; | ||
| 757 | |||
| 758 | numjoysticks = 0; | ||
| 759 | } | ||
| 760 | |||
| 761 | static bool report_alloc(struct report *r, struct report_desc *rd, int repind) | ||
| 762 | { | ||
| 763 | int len; | ||
| 764 | |||
| 765 | #ifdef __DragonFly__ | ||
| 766 | len = hid_report_size(rd, repinfo[repind].kind, r->rid); | ||
| 767 | #elif defined(SDL_PLATFORM_FREEBSD) | ||
| 768 | #if (__FreeBSD_kernel_version >= 460000) || defined(__FreeBSD_kernel__) | ||
| 769 | #if (__FreeBSD_kernel_version <= 500111) | ||
| 770 | len = hid_report_size(rd, r->rid, repinfo[repind].kind); | ||
| 771 | #else | ||
| 772 | len = hid_report_size(rd, repinfo[repind].kind, r->rid); | ||
| 773 | #endif | ||
| 774 | #else | ||
| 775 | len = hid_report_size(rd, repinfo[repind].kind, &r->rid); | ||
| 776 | #endif | ||
| 777 | #else | ||
| 778 | #ifdef USBHID_NEW | ||
| 779 | len = hid_report_size(rd, repinfo[repind].kind, r->rid); | ||
| 780 | #else | ||
| 781 | len = hid_report_size(rd, repinfo[repind].kind, &r->rid); | ||
| 782 | #endif | ||
| 783 | #endif | ||
| 784 | |||
| 785 | if (len < 0) { | ||
| 786 | return SDL_SetError("Negative HID report size"); | ||
| 787 | } | ||
| 788 | r->size = len; | ||
| 789 | |||
| 790 | if (r->size > 0) { | ||
| 791 | #if defined(SDL_PLATFORM_FREEBSD) && (__FreeBSD_kernel_version > 900000) || defined(__DragonFly__) | ||
| 792 | r->buf = SDL_malloc(r->size); | ||
| 793 | #else | ||
| 794 | r->buf = SDL_malloc(sizeof(*r->buf) - sizeof(REP_BUF_DATA(r)) + | ||
| 795 | r->size); | ||
| 796 | #endif | ||
| 797 | if (!r->buf) { | ||
| 798 | return false; | ||
| 799 | } | ||
| 800 | } else { | ||
| 801 | r->buf = NULL; | ||
| 802 | } | ||
| 803 | |||
| 804 | r->status = SREPORT_CLEAN; | ||
| 805 | return true; | ||
| 806 | } | ||
| 807 | |||
| 808 | static void report_free(struct report *r) | ||
| 809 | { | ||
| 810 | SDL_free(r->buf); | ||
| 811 | r->status = SREPORT_UNINIT; | ||
| 812 | } | ||
| 813 | |||
| 814 | static bool BSD_JoystickRumble(SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble) | ||
| 815 | { | ||
| 816 | return SDL_Unsupported(); | ||
| 817 | } | ||
| 818 | |||
| 819 | static bool BSD_JoystickRumbleTriggers(SDL_Joystick *joystick, Uint16 left_rumble, Uint16 right_rumble) | ||
| 820 | { | ||
| 821 | return SDL_Unsupported(); | ||
| 822 | } | ||
| 823 | |||
| 824 | static bool BSD_JoystickGetGamepadMapping(int device_index, SDL_GamepadMapping *out) | ||
| 825 | { | ||
| 826 | return false; | ||
| 827 | } | ||
| 828 | |||
| 829 | static bool BSD_JoystickSetLED(SDL_Joystick *joystick, Uint8 red, Uint8 green, Uint8 blue) | ||
| 830 | { | ||
| 831 | return SDL_Unsupported(); | ||
| 832 | } | ||
| 833 | |||
| 834 | static bool BSD_JoystickSendEffect(SDL_Joystick *joystick, const void *data, int size) | ||
| 835 | { | ||
| 836 | return SDL_Unsupported(); | ||
| 837 | } | ||
| 838 | |||
| 839 | static bool BSD_JoystickSetSensorsEnabled(SDL_Joystick *joystick, bool enabled) | ||
| 840 | { | ||
| 841 | return SDL_Unsupported(); | ||
| 842 | } | ||
| 843 | |||
| 844 | SDL_JoystickDriver SDL_BSD_JoystickDriver = { | ||
| 845 | BSD_JoystickInit, | ||
| 846 | BSD_JoystickGetCount, | ||
| 847 | BSD_JoystickDetect, | ||
| 848 | BSD_JoystickIsDevicePresent, | ||
| 849 | BSD_JoystickGetDeviceName, | ||
| 850 | BSD_JoystickGetDevicePath, | ||
| 851 | BSD_JoystickGetDeviceSteamVirtualGamepadSlot, | ||
| 852 | BSD_JoystickGetDevicePlayerIndex, | ||
| 853 | BSD_JoystickSetDevicePlayerIndex, | ||
| 854 | BSD_JoystickGetDeviceGUID, | ||
| 855 | BSD_JoystickGetDeviceInstanceID, | ||
| 856 | BSD_JoystickOpen, | ||
| 857 | BSD_JoystickRumble, | ||
| 858 | BSD_JoystickRumbleTriggers, | ||
| 859 | BSD_JoystickSetLED, | ||
| 860 | BSD_JoystickSendEffect, | ||
| 861 | BSD_JoystickSetSensorsEnabled, | ||
| 862 | BSD_JoystickUpdate, | ||
| 863 | BSD_JoystickClose, | ||
| 864 | BSD_JoystickQuit, | ||
| 865 | BSD_JoystickGetGamepadMapping | ||
| 866 | }; | ||
| 867 | |||
| 868 | #endif // SDL_JOYSTICK_USBHID | ||
