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Diffstat (limited to 'distrib/sdl-1.2.12/src/joystick/bsd/SDL_sysjoystick.c')
-rw-r--r--distrib/sdl-1.2.12/src/joystick/bsd/SDL_sysjoystick.c591
1 files changed, 0 insertions, 591 deletions
diff --git a/distrib/sdl-1.2.12/src/joystick/bsd/SDL_sysjoystick.c b/distrib/sdl-1.2.12/src/joystick/bsd/SDL_sysjoystick.c
deleted file mode 100644
index 926899d..0000000
--- a/distrib/sdl-1.2.12/src/joystick/bsd/SDL_sysjoystick.c
+++ /dev/null
@@ -1,591 +0,0 @@
-/*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997-2006 Sam Lantinga
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- This library 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with this library; if not, write to the Free Software
- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
- Sam Lantinga
- slouken@libsdl.org
-*/
-#include "SDL_config.h"
-
-#ifdef SDL_JOYSTICK_USBHID
-
-/*
- * Joystick driver for the uhid(4) interface found in OpenBSD,
- * NetBSD and FreeBSD.
- *
- * Maintainer: <vedge at csoft.org>
- */
-
-#include <sys/param.h>
-
-#include <unistd.h>
-#include <fcntl.h>
-#include <errno.h>
-
-#if defined(HAVE_USB_H)
-#include <usb.h>
-#endif
-#ifdef __DragonFly__
-#include <bus/usb/usb.h>
-#include <bus/usb/usbhid.h>
-#else
-#include <dev/usb/usb.h>
-#include <dev/usb/usbhid.h>
-#endif
-
-#if defined(HAVE_USBHID_H)
-#include <usbhid.h>
-#elif defined(HAVE_LIBUSB_H)
-#include <libusb.h>
-#elif defined(HAVE_LIBUSBHID_H)
-#include <libusbhid.h>
-#endif
-
-#ifdef __FREEBSD__
-#ifndef __DragonFly__
-#include <osreldate.h>
-#endif
-#include <sys/joystick.h>
-#endif
-
-#if SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H
-#include <machine/joystick.h>
-#endif
-
-#include "SDL_joystick.h"
-#include "../SDL_sysjoystick.h"
-#include "../SDL_joystick_c.h"
-
-#define MAX_UHID_JOYS 4
-#define MAX_JOY_JOYS 2
-#define MAX_JOYS (MAX_UHID_JOYS + MAX_JOY_JOYS)
-
-struct report {
- struct usb_ctl_report *buf; /* Buffer */
- size_t size; /* Buffer size */
- int rid; /* Report ID */
- enum {
- SREPORT_UNINIT,
- SREPORT_CLEAN,
- SREPORT_DIRTY
- } status;
-};
-
-static struct {
- int uhid_report;
- hid_kind_t kind;
- const char *name;
-} const repinfo[] = {
- { UHID_INPUT_REPORT, hid_input, "input" },
- { UHID_OUTPUT_REPORT, hid_output, "output" },
- { UHID_FEATURE_REPORT, hid_feature, "feature" }
-};
-
-enum {
- REPORT_INPUT = 0,
- REPORT_OUTPUT = 1,
- REPORT_FEATURE = 2
-};
-
-enum {
- JOYAXE_X,
- JOYAXE_Y,
- JOYAXE_Z,
- JOYAXE_SLIDER,
- JOYAXE_WHEEL,
- JOYAXE_RX,
- JOYAXE_RY,
- JOYAXE_RZ,
- JOYAXE_count
-};
-
-struct joystick_hwdata {
- int fd;
- char *path;
- enum {
- BSDJOY_UHID, /* uhid(4) */
- BSDJOY_JOY /* joy(4) */
- } type;
- struct report_desc *repdesc;
- struct report inreport;
- int axis_map[JOYAXE_count]; /* map present JOYAXE_* to 0,1,..*/
- int x;
- int y;
- int xmin;
- int ymin;
- int xmax;
- int ymax;
-};
-
-static char *joynames[MAX_JOYS];
-static char *joydevnames[MAX_JOYS];
-
-static int report_alloc(struct report *, struct report_desc *, int);
-static void report_free(struct report *);
-
-#ifdef USBHID_UCR_DATA
-#define REP_BUF_DATA(rep) ((rep)->buf->ucr_data)
-#else
-#define REP_BUF_DATA(rep) ((rep)->buf->data)
-#endif
-
-int
-SDL_SYS_JoystickInit(void)
-{
- char s[16];
- int i, fd;
-
- SDL_numjoysticks = 0;
-
- SDL_memset(joynames, 0, sizeof(joynames));
- SDL_memset(joydevnames, 0, sizeof(joydevnames));
-
- for (i = 0; i < MAX_UHID_JOYS; i++) {
- SDL_Joystick nj;
-
- SDL_snprintf(s, SDL_arraysize(s), "/dev/uhid%d", i);
-
- nj.index = SDL_numjoysticks;
- joynames[nj.index] = strdup(s);
-
- if (SDL_SYS_JoystickOpen(&nj) == 0) {
- SDL_SYS_JoystickClose(&nj);
- SDL_numjoysticks++;
- } else {
- SDL_free(joynames[nj.index]);
- joynames[nj.index] = NULL;
- }
- }
- for (i = 0; i < MAX_JOY_JOYS; i++) {
- SDL_snprintf(s, SDL_arraysize(s), "/dev/joy%d", i);
- fd = open(s, O_RDONLY);
- if (fd != -1) {
- joynames[SDL_numjoysticks++] = strdup(s);
- close(fd);
- }
- }
-
- /* Read the default USB HID usage table. */
- hid_init(NULL);
-
- return (SDL_numjoysticks);
-}
-
-const char *
-SDL_SYS_JoystickName(int index)
-{
- if (joydevnames[index] != NULL) {
- return (joydevnames[index]);
- }
- return (joynames[index]);
-}
-
-static int
-usage_to_joyaxe(unsigned usage)
-{
- int joyaxe;
- switch (usage) {
- case HUG_X:
- joyaxe = JOYAXE_X; break;
- case HUG_Y:
- joyaxe = JOYAXE_Y; break;
- case HUG_Z:
- joyaxe = JOYAXE_Z; break;
- case HUG_SLIDER:
- joyaxe = JOYAXE_SLIDER; break;
- case HUG_WHEEL:
- joyaxe = JOYAXE_WHEEL; break;
- case HUG_RX:
- joyaxe = JOYAXE_RX; break;
- case HUG_RY:
- joyaxe = JOYAXE_RY; break;
- case HUG_RZ:
- joyaxe = JOYAXE_RZ; break;
- default:
- joyaxe = -1;
- }
- return joyaxe;
-}
-
-static unsigned
-hatval_to_sdl(Sint32 hatval)
-{
- static const unsigned hat_dir_map[8] = {
- SDL_HAT_UP, SDL_HAT_RIGHTUP, SDL_HAT_RIGHT, SDL_HAT_RIGHTDOWN,
- SDL_HAT_DOWN, SDL_HAT_LEFTDOWN, SDL_HAT_LEFT, SDL_HAT_LEFTUP
- };
- unsigned result;
- if ((hatval & 7) == hatval)
- result = hat_dir_map[hatval];
- else
- result = SDL_HAT_CENTERED;
- return result;
-}
-
-
-int
-SDL_SYS_JoystickOpen(SDL_Joystick *joy)
-{
- char *path = joynames[joy->index];
- struct joystick_hwdata *hw;
- struct hid_item hitem;
- struct hid_data *hdata;
- struct report *rep;
- int fd;
- int i;
-
- fd = open(path, O_RDONLY);
- if (fd == -1) {
- SDL_SetError("%s: %s", path, strerror(errno));
- return (-1);
- }
-
- hw = (struct joystick_hwdata *)SDL_malloc(sizeof(struct joystick_hwdata));
- if (hw == NULL) {
- SDL_OutOfMemory();
- close(fd);
- return (-1);
- }
- joy->hwdata = hw;
- hw->fd = fd;
- hw->path = strdup(path);
- hw->x = 0;
- hw->y = 0;
- hw->xmin = 0xffff;
- hw->ymin = 0xffff;
- hw->xmax = 0;
- hw->ymax = 0;
- if (! SDL_strncmp(path, "/dev/joy", 8)) {
- hw->type = BSDJOY_JOY;
- joy->naxes = 2;
- joy->nbuttons = 2;
- joy->nhats = 0;
- joy->nballs = 0;
- joydevnames[joy->index] = strdup("Gameport joystick");
- goto usbend;
- } else {
- hw->type = BSDJOY_UHID;
- }
-
- {
- int ax;
- for (ax = 0; ax < JOYAXE_count; ax++)
- hw->axis_map[ax] = -1;
- }
- hw->repdesc = hid_get_report_desc(fd);
- if (hw->repdesc == NULL) {
- SDL_SetError("%s: USB_GET_REPORT_DESC: %s", hw->path,
- strerror(errno));
- goto usberr;
- }
-
- rep = &hw->inreport;
- if (ioctl(fd, USB_GET_REPORT_ID, &rep->rid) < 0) {
- rep->rid = -1; /* XXX */
- }
- if (report_alloc(rep, hw->repdesc, REPORT_INPUT) < 0) {
- goto usberr;
- }
- if (rep->size <= 0) {
- SDL_SetError("%s: Input report descriptor has invalid length",
- hw->path);
- goto usberr;
- }
-
-#if defined(USBHID_NEW) || (defined(__FREEBSD__) && __FreeBSD_version >= 500111)
- hdata = hid_start_parse(hw->repdesc, 1 << hid_input, rep->rid);
-#else
- hdata = hid_start_parse(hw->repdesc, 1 << hid_input);
-#endif
- if (hdata == NULL) {
- SDL_SetError("%s: Cannot start HID parser", hw->path);
- goto usberr;
- }
- joy->naxes = 0;
- joy->nbuttons = 0;
- joy->nhats = 0;
- joy->nballs = 0;
- for (i=0; i<JOYAXE_count; i++)
- hw->axis_map[i] = -1;
-
- while (hid_get_item(hdata, &hitem) > 0) {
- char *sp;
- const char *s;
-
- switch (hitem.kind) {
- case hid_collection:
- switch (HID_PAGE(hitem.usage)) {
- case HUP_GENERIC_DESKTOP:
- switch (HID_USAGE(hitem.usage)) {
- case HUG_JOYSTICK:
- case HUG_GAME_PAD:
- s = hid_usage_in_page(hitem.usage);
- sp = SDL_malloc(SDL_strlen(s) + 5);
- SDL_snprintf(sp, SDL_strlen(s) + 5, "%s (%d)", s,
- joy->index);
- joydevnames[joy->index] = sp;
- }
- }
- break;
- case hid_input:
- switch (HID_PAGE(hitem.usage)) {
- case HUP_GENERIC_DESKTOP: {
- unsigned usage = HID_USAGE(hitem.usage);
- int joyaxe = usage_to_joyaxe(usage);
- if (joyaxe >= 0) {
- hw->axis_map[joyaxe] = 1;
- } else if (usage == HUG_HAT_SWITCH) {
- joy->nhats++;
- }
- break;
- }
- case HUP_BUTTON:
- joy->nbuttons++;
- break;
- default:
- break;
- }
- break;
- default:
- break;
- }
- }
- hid_end_parse(hdata);
- for (i=0; i<JOYAXE_count; i++)
- if (hw->axis_map[i] > 0)
- hw->axis_map[i] = joy->naxes++;
-
-usbend:
- /* The poll blocks the event thread. */
- fcntl(fd, F_SETFL, O_NONBLOCK);
-
- return (0);
-usberr:
- close(hw->fd);
- SDL_free(hw->path);
- SDL_free(hw);
- return (-1);
-}
-
-void
-SDL_SYS_JoystickUpdate(SDL_Joystick *joy)
-{
- struct hid_item hitem;
- struct hid_data *hdata;
- struct report *rep;
- int nbutton, naxe = -1;
- Sint32 v;
-
-#if defined(__FREEBSD__) || SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H
- struct joystick gameport;
-
- if (joy->hwdata->type == BSDJOY_JOY) {
- if (read(joy->hwdata->fd, &gameport, sizeof gameport) != sizeof gameport)
- return;
- if (abs(joy->hwdata->x - gameport.x) > 8) {
- joy->hwdata->x = gameport.x;
- if (joy->hwdata->x < joy->hwdata->xmin) {
- joy->hwdata->xmin = joy->hwdata->x;
- }
- if (joy->hwdata->x > joy->hwdata->xmax) {
- joy->hwdata->xmax = joy->hwdata->x;
- }
- if (joy->hwdata->xmin == joy->hwdata->xmax) {
- joy->hwdata->xmin--;
- joy->hwdata->xmax++;
- }
- v = (Sint32)joy->hwdata->x;
- v -= (joy->hwdata->xmax + joy->hwdata->xmin + 1)/2;
- v *= 32768/((joy->hwdata->xmax - joy->hwdata->xmin + 1)/2);
- SDL_PrivateJoystickAxis(joy, 0, v);
- }
- if (abs(joy->hwdata->y - gameport.y) > 8) {
- joy->hwdata->y = gameport.y;
- if (joy->hwdata->y < joy->hwdata->ymin) {
- joy->hwdata->ymin = joy->hwdata->y;
- }
- if (joy->hwdata->y > joy->hwdata->ymax) {
- joy->hwdata->ymax = joy->hwdata->y;
- }
- if (joy->hwdata->ymin == joy->hwdata->ymax) {
- joy->hwdata->ymin--;
- joy->hwdata->ymax++;
- }
- v = (Sint32)joy->hwdata->y;
- v -= (joy->hwdata->ymax + joy->hwdata->ymin + 1)/2;
- v *= 32768/((joy->hwdata->ymax - joy->hwdata->ymin + 1)/2);
- SDL_PrivateJoystickAxis(joy, 1, v);
- }
- if (gameport.b1 != joy->buttons[0]) {
- SDL_PrivateJoystickButton(joy, 0, gameport.b1);
- }
- if (gameport.b2 != joy->buttons[1]) {
- SDL_PrivateJoystickButton(joy, 1, gameport.b2);
- }
- return;
- }
-#endif /* defined(__FREEBSD__) || SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H */
-
- rep = &joy->hwdata->inreport;
-
- if (read(joy->hwdata->fd, REP_BUF_DATA(rep), rep->size) != rep->size) {
- return;
- }
-#if defined(USBHID_NEW) || (defined(__FREEBSD__) && __FreeBSD_version >= 500111)
- hdata = hid_start_parse(joy->hwdata->repdesc, 1 << hid_input, rep->rid);
-#else
- hdata = hid_start_parse(joy->hwdata->repdesc, 1 << hid_input);
-#endif
- if (hdata == NULL) {
- fprintf(stderr, "%s: Cannot start HID parser\n",
- joy->hwdata->path);
- return;
- }
-
- for (nbutton = 0; hid_get_item(hdata, &hitem) > 0;) {
- switch (hitem.kind) {
- case hid_input:
- switch (HID_PAGE(hitem.usage)) {
- case HUP_GENERIC_DESKTOP: {
- unsigned usage = HID_USAGE(hitem.usage);
- int joyaxe = usage_to_joyaxe(usage);
- if (joyaxe >= 0) {
- naxe = joy->hwdata->axis_map[joyaxe];
- /* scaleaxe */
- v = (Sint32)hid_get_data(REP_BUF_DATA(rep),
- &hitem);
- v -= (hitem.logical_maximum + hitem.logical_minimum + 1)/2;
- v *= 32768/((hitem.logical_maximum - hitem.logical_minimum + 1)/2);
- if (v != joy->axes[naxe]) {
- SDL_PrivateJoystickAxis(joy, naxe, v);
- }
- } else if (usage == HUG_HAT_SWITCH) {
- v = (Sint32)hid_get_data(REP_BUF_DATA(rep),
- &hitem);
- SDL_PrivateJoystickHat(joy, 0,
- hatval_to_sdl(v)-hitem.logical_minimum);
- }
- break;
- }
- case HUP_BUTTON:
- v = (Sint32)hid_get_data(REP_BUF_DATA(rep),
- &hitem);
- if (joy->buttons[nbutton] != v) {
- SDL_PrivateJoystickButton(joy,
- nbutton, v);
- }
- nbutton++;
- break;
- default:
- continue;
- }
- break;
- default:
- break;
- }
- }
- hid_end_parse(hdata);
-
- return;
-}
-
-/* Function to close a joystick after use */
-void
-SDL_SYS_JoystickClose(SDL_Joystick *joy)
-{
- if (SDL_strncmp(joy->hwdata->path, "/dev/joy", 8)) {
- report_free(&joy->hwdata->inreport);
- hid_dispose_report_desc(joy->hwdata->repdesc);
- }
- close(joy->hwdata->fd);
- SDL_free(joy->hwdata->path);
- SDL_free(joy->hwdata);
-
- return;
-}
-
-void
-SDL_SYS_JoystickQuit(void)
-{
- int i;
-
- for (i = 0; i < MAX_JOYS; i++) {
- if (joynames[i] != NULL)
- SDL_free(joynames[i]);
- if (joydevnames[i] != NULL)
- SDL_free(joydevnames[i]);
- }
-
- return;
-}
-
-static int
-report_alloc(struct report *r, struct report_desc *rd, int repind)
-{
- int len;
-
-#ifdef __DragonFly__
- len = hid_report_size(rd, r->rid, repinfo[repind].kind);
-#elif __FREEBSD__
-# if (__FreeBSD_version >= 460000)
-# if (__FreeBSD_version <= 500111)
- len = hid_report_size(rd, r->rid, repinfo[repind].kind);
-# else
- len = hid_report_size(rd, repinfo[repind].kind, r->rid);
-# endif
-# else
- len = hid_report_size(rd, repinfo[repind].kind, &r->rid);
-# endif
-#else
-# ifdef USBHID_NEW
- len = hid_report_size(rd, repinfo[repind].kind, r->rid);
-# else
- len = hid_report_size(rd, repinfo[repind].kind, &r->rid);
-# endif
-#endif
-
- if (len < 0) {
- SDL_SetError("Negative HID report size");
- return (-1);
- }
- r->size = len;
-
- if (r->size > 0) {
- r->buf = SDL_malloc(sizeof(*r->buf) - sizeof(REP_BUF_DATA(r)) +
- r->size);
- if (r->buf == NULL) {
- SDL_OutOfMemory();
- return (-1);
- }
- } else {
- r->buf = NULL;
- }
-
- r->status = SREPORT_CLEAN;
- return (0);
-}
-
-static void
-report_free(struct report *r)
-{
- if (r->buf != NULL) {
- SDL_free(r->buf);
- }
- r->status = SREPORT_UNINIT;
-}
-
-#endif /* SDL_JOYSTICK_USBHID */
generated by cgit v1.1 at 2024-04-28 17:03:36 +0000