diff options
Diffstat (limited to 'xserver/hw/kdrive/linux/evdev.c')
| -rw-r--r-- | xserver/hw/kdrive/linux/evdev.c | 530 |
1 files changed, 0 insertions, 530 deletions
diff --git a/xserver/hw/kdrive/linux/evdev.c b/xserver/hw/kdrive/linux/evdev.c deleted file mode 100644 index 9590413be..000000000 --- a/xserver/hw/kdrive/linux/evdev.c +++ /dev/null @@ -1,530 +0,0 @@ -/* - * Copyright © 2004 Keith Packard - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of Keith Packard not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Keith Packard makes no - * representations about the suitability of this software for any purpose. It - * is provided "as is" without express or implied warranty. - * - * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR - * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, - * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER - * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. - */ - -#ifdef HAVE_CONFIG_H -#include <kdrive-config.h> -#endif -#include <errno.h> -#include <linux/input.h> -#include <X11/X.h> -#include <X11/Xproto.h> -#include "inputstr.h" -#include "scrnintstr.h" -#include "kdrive.h" - -#define NUM_EVENTS 128 -#define ABS_UNSET -65535 - -#define BITS_PER_LONG (sizeof(long) * 8) -#define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1) -#define ISBITSET(x,y) ((x)[LONG(y)] & BIT(y)) -#define OFF(x) ((x)%BITS_PER_LONG) -#define LONG(x) ((x)/BITS_PER_LONG) -#define BIT(x) (1 << OFF(x)) - -typedef struct _kevdev { - /* current device state */ - int rel[REL_MAX + 1]; - int abs[ABS_MAX + 1]; - int prevabs[ABS_MAX + 1]; - long key[NBITS(KEY_MAX + 1)]; - - /* supported device info */ - long relbits[NBITS(REL_MAX + 1)]; - long absbits[NBITS(ABS_MAX + 1)]; - long keybits[NBITS(KEY_MAX + 1)]; - struct input_absinfo absinfo[ABS_MAX + 1]; - int max_rel; - int max_abs; - - int fd; -} Kevdev; - -static void -EvdevPtrBtn(KdPointerInfo * pi, struct input_event *ev) -{ - int flags = KD_MOUSE_DELTA | pi->buttonState; - - if (ev->code >= BTN_MOUSE && ev->code < BTN_JOYSTICK) { - switch (ev->code) { - case BTN_LEFT: - if (ev->value == 1) - flags |= KD_BUTTON_1; - else - flags &= ~KD_BUTTON_1; - break; - case BTN_MIDDLE: - if (ev->value == 1) - flags |= KD_BUTTON_2; - else - flags &= ~KD_BUTTON_2; - break; - case BTN_RIGHT: - if (ev->value == 1) - flags |= KD_BUTTON_3; - else - flags &= ~KD_BUTTON_3; - break; - default: - /* Unknow button */ - break; - } - - KdEnqueuePointerEvent(pi, flags, 0, 0, 0); - } -} - -static void -EvdevPtrMotion(KdPointerInfo * pi, struct input_event *ev) -{ - Kevdev *ke = pi->driverPrivate; - int i; - int flags = KD_MOUSE_DELTA | pi->buttonState; - - for (i = 0; i <= ke->max_rel; i++) - if (ke->rel[i]) { - int a; - - for (a = 0; a <= ke->max_rel; a++) { - if (ISBITSET(ke->relbits, a)) { - if (a == 0) - KdEnqueuePointerEvent(pi, flags, ke->rel[a], 0, 0); - else if (a == 1) - KdEnqueuePointerEvent(pi, flags, 0, ke->rel[a], 0); - } - ke->rel[a] = 0; - } - break; - } - for (i = 0; i < ke->max_abs; i++) - if (ke->abs[i] != ke->prevabs[i]) { - int a; - - ErrorF("abs"); - for (a = 0; a <= ke->max_abs; a++) { - if (ISBITSET(ke->absbits, a)) - ErrorF(" %d=%d", a, ke->abs[a]); - ke->prevabs[a] = ke->abs[a]; - } - ErrorF("\n"); - break; - } - - if (ev->code == REL_WHEEL) { - for (i = 0; i < abs(ev->value); i++) { - if (ev->value > 0) - flags |= KD_BUTTON_4; - else - flags |= KD_BUTTON_5; - - KdEnqueuePointerEvent(pi, flags, 0, 0, 0); - - if (ev->value > 0) - flags &= ~KD_BUTTON_4; - else - flags &= ~KD_BUTTON_5; - - KdEnqueuePointerEvent(pi, flags, 0, 0, 0); - } - } - -} - -static void -EvdevPtrRead(int evdevPort, void *closure) -{ - KdPointerInfo *pi = closure; - Kevdev *ke = pi->driverPrivate; - int i; - struct input_event events[NUM_EVENTS]; - int n; - - n = read(evdevPort, &events, NUM_EVENTS * sizeof(struct input_event)); - if (n <= 0) { - if (errno == ENODEV) - DeleteInputDeviceRequest(pi->dixdev); - return; - } - - n /= sizeof(struct input_event); - for (i = 0; i < n; i++) { - switch (events[i].type) { - case EV_SYN: - break; - case EV_KEY: - EvdevPtrBtn(pi, &events[i]); - break; - case EV_REL: - ke->rel[events[i].code] += events[i].value; - EvdevPtrMotion(pi, &events[i]); - break; - case EV_ABS: - ke->abs[events[i].code] = events[i].value; - EvdevPtrMotion(pi, &events[i]); - break; - } - } -} - -const char *kdefaultEvdev[] = { - "/dev/input/event0", - "/dev/input/event1", - "/dev/input/event2", - "/dev/input/event3", -}; - -#define NUM_DEFAULT_EVDEV (sizeof (kdefaultEvdev) / sizeof (kdefaultEvdev[0])) - -static Status -EvdevPtrInit(KdPointerInfo * pi) -{ - int i; - int fd; - - if (!pi->path) { - for (i = 0; i < NUM_DEFAULT_EVDEV; i++) { - fd = open(kdefaultEvdev[i], 2); - if (fd >= 0) { - pi->path = strdup(kdefaultEvdev[i]); - break; - } - } - } - else { - fd = open(pi->path, O_RDWR); - if (fd < 0) { - ErrorF("Failed to open evdev device %s\n", pi->path); - return BadMatch; - } - } - - close(fd); - - if (!pi->name) - pi->name = strdup("Evdev mouse"); - - return Success; -} - -static Status -EvdevPtrEnable(KdPointerInfo * pi) -{ - int fd; - unsigned long ev[NBITS(EV_MAX)]; - Kevdev *ke; - - if (!pi || !pi->path) - return BadImplementation; - - fd = open(pi->path, 2); - if (fd < 0) - return BadMatch; - - if (ioctl(fd, EVIOCGRAB, 1) < 0) - perror("Grabbing evdev mouse device failed"); - - if (ioctl(fd, EVIOCGBIT(0 /*EV*/, sizeof(ev)), ev) < 0) { - perror("EVIOCGBIT 0"); - close(fd); - return BadMatch; - } - ke = calloc(1, sizeof(Kevdev)); - if (!ke) { - close(fd); - return BadAlloc; - } - if (ISBITSET(ev, EV_KEY)) { - if (ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(ke->keybits)), ke->keybits) < 0) { - perror("EVIOCGBIT EV_KEY"); - free(ke); - close(fd); - return BadMatch; - } - } - if (ISBITSET(ev, EV_REL)) { - if (ioctl(fd, EVIOCGBIT(EV_REL, sizeof(ke->relbits)), ke->relbits) < 0) { - perror("EVIOCGBIT EV_REL"); - free(ke); - close(fd); - return BadMatch; - } - for (ke->max_rel = REL_MAX; ke->max_rel >= 0; ke->max_rel--) - if (ISBITSET(ke->relbits, ke->max_rel)) - break; - } - if (ISBITSET(ev, EV_ABS)) { - int i; - - if (ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(ke->absbits)), ke->absbits) < 0) { - perror("EVIOCGBIT EV_ABS"); - free(ke); - close(fd); - return BadMatch; - } - for (ke->max_abs = ABS_MAX; ke->max_abs >= 0; ke->max_abs--) - if (ISBITSET(ke->absbits, ke->max_abs)) - break; - for (i = 0; i <= ke->max_abs; i++) { - if (ISBITSET(ke->absbits, i)) - if (ioctl(fd, EVIOCGABS(i), &ke->absinfo[i]) < 0) { - perror("EVIOCGABS"); - break; - } - ke->prevabs[i] = ABS_UNSET; - } - if (i <= ke->max_abs) { - free(ke); - close(fd); - return BadValue; - } - } - if (!KdRegisterFd(fd, EvdevPtrRead, pi)) { - free(ke); - close(fd); - return BadAlloc; - } - pi->driverPrivate = ke; - ke->fd = fd; - - return Success; -} - -static void -EvdevPtrDisable(KdPointerInfo * pi) -{ - Kevdev *ke; - - ke = pi->driverPrivate; - - if (!pi || !pi->driverPrivate) - return; - - KdUnregisterFd(pi, ke->fd, TRUE); - - if (ioctl(ke->fd, EVIOCGRAB, 0) < 0) - perror("Ungrabbing evdev mouse device failed"); - - free(ke); - pi->driverPrivate = 0; -} - -static void -EvdevPtrFini(KdPointerInfo * pi) -{ -} - -/* - * Evdev keyboard functions - */ - -static void -readMapping(KdKeyboardInfo * ki) -{ - if (!ki) - return; - - ki->minScanCode = 0; - ki->maxScanCode = 247; -} - -static void -EvdevKbdRead(int evdevPort, void *closure) -{ - KdKeyboardInfo *ki = closure; - struct input_event events[NUM_EVENTS]; - int i, n; - - n = read(evdevPort, &events, NUM_EVENTS * sizeof(struct input_event)); - if (n <= 0) { - if (errno == ENODEV) - DeleteInputDeviceRequest(ki->dixdev); - return; - } - - n /= sizeof(struct input_event); - for (i = 0; i < n; i++) { - if (events[i].type == EV_KEY) - KdEnqueueKeyboardEvent(ki, events[i].code, !events[i].value); -/* FIXME: must implement other types of events - else - ErrorF("Event type (%d) not delivered\n", events[i].type); -*/ - } -} - -static Status -EvdevKbdInit(KdKeyboardInfo * ki) -{ - int fd; - - if (!ki->path) { - ErrorF("Couldn't find evdev device path\n"); - return BadValue; - } - else { - fd = open(ki->path, O_RDWR); - if (fd < 0) { - ErrorF("Failed to open evdev device %s\n", ki->path); - return BadMatch; - } - } - - close(fd); - - if (!ki->name) - ki->name = strdup("Evdev keyboard"); - - readMapping(ki); - - return Success; -} - -static Status -EvdevKbdEnable(KdKeyboardInfo * ki) -{ - unsigned long ev[NBITS(EV_MAX)]; - Kevdev *ke; - int fd; - - if (!ki || !ki->path) - return BadImplementation; - - fd = open(ki->path, O_RDWR); - if (fd < 0) - return BadMatch; - - if (ioctl(fd, EVIOCGRAB, 1) < 0) - perror("Grabbing evdev keyboard device failed"); - - if (ioctl(fd, EVIOCGBIT(0 /*EV*/, sizeof(ev)), ev) < 0) { - perror("EVIOCGBIT 0"); - close(fd); - return BadMatch; - } - - ke = calloc(1, sizeof(Kevdev)); - if (!ke) { - close(fd); - return BadAlloc; - } - - if (!KdRegisterFd(fd, EvdevKbdRead, ki)) { - free(ke); - close(fd); - return BadAlloc; - } - ki->driverPrivate = ke; - ke->fd = fd; - - return Success; -} - -static void -EvdevKbdLeds(KdKeyboardInfo * ki, int leds) -{ - struct input_event event; - Kevdev *ke; - int i; - - if (!ki) - return; - - ke = ki->driverPrivate; - - if (!ke) - return; - - memset(&event, 0, sizeof(event)); - - event.type = EV_LED; - event.code = LED_CAPSL; - event.value = leds & (1 << 0) ? 1 : 0; - i = write(ke->fd, (char *) &event, sizeof(event)); - (void) i; - - event.type = EV_LED; - event.code = LED_NUML; - event.value = leds & (1 << 1) ? 1 : 0; - i = write(ke->fd, (char *) &event, sizeof(event)); - (void) i; - - event.type = EV_LED; - event.code = LED_SCROLLL; - event.value = leds & (1 << 2) ? 1 : 0; - i = write(ke->fd, (char *) &event, sizeof(event)); - (void) i; - - event.type = EV_LED; - event.code = LED_COMPOSE; - event.value = leds & (1 << 3) ? 1 : 0; - i = write(ke->fd, (char *) &event, sizeof(event)); - (void) i; -} - -static void -EvdevKbdBell(KdKeyboardInfo * ki, int volume, int frequency, int duration) -{ -} - -static void -EvdevKbdDisable(KdKeyboardInfo * ki) -{ - Kevdev *ke; - - ke = ki->driverPrivate; - - if (!ki || !ki->driverPrivate) - return; - - KdUnregisterFd(ki, ke->fd, TRUE); - - if (ioctl(ke->fd, EVIOCGRAB, 0) < 0) - perror("Ungrabbing evdev keyboard device failed"); - - free(ke); - ki->driverPrivate = 0; -} - -static void -EvdevKbdFini(KdKeyboardInfo * ki) -{ -} - -KdPointerDriver LinuxEvdevMouseDriver = { - "evdev", - EvdevPtrInit, - EvdevPtrEnable, - EvdevPtrDisable, - EvdevPtrFini, - NULL, -}; - -KdKeyboardDriver LinuxEvdevKeyboardDriver = { - "evdev", - EvdevKbdInit, - EvdevKbdEnable, - EvdevKbdLeds, - EvdevKbdBell, - EvdevKbdDisable, - EvdevKbdFini, - NULL, -}; |