diff options
Diffstat (limited to 'xorg-server/hw/kdrive/linux/evdev.c')
| -rw-r--r-- | xorg-server/hw/kdrive/linux/evdev.c | 1058 |
1 files changed, 519 insertions, 539 deletions
diff --git a/xorg-server/hw/kdrive/linux/evdev.c b/xorg-server/hw/kdrive/linux/evdev.c index 20df77b99..9982fad36 100644 --- a/xorg-server/hw/kdrive/linux/evdev.c +++ b/xorg-server/hw/kdrive/linux/evdev.c @@ -1,539 +1,519 @@ -/*
- * 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 <X11/Xpoll.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;
- }
- }
-}
-
-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);
-
- 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);
-
- 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;
-
- ki->driverPrivate = ke;
-
- memset(&event, 0, sizeof(event));
-
- event.type = EV_LED;
- event.code = LED_CAPSL;
- event.value = leds & (1 << 0) ? 1 : 0;
- write(ke->fd, (char *) &event, sizeof(event));
-
- event.type = EV_LED;
- event.code = LED_NUML;
- event.value = leds & (1 << 1) ? 1 : 0;
- write(ke->fd, (char *) &event, sizeof(event));
-
- event.type = EV_LED;
- event.code = LED_SCROLLL;
- event.value = leds & (1 << 2) ? 1 : 0;
- write(ke->fd, (char *) &event, sizeof(event));
-
- event.type = EV_LED;
- event.code = LED_COMPOSE;
- event.value = leds & (1 << 3) ? 1 : 0;
- write(ke->fd, (char *) &event, sizeof(event));
-*/
-}
-
-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,
-};
+/* + * 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 <X11/Xpoll.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; + } + } +} + +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); + + 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); + + 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; + + ki->driverPrivate = ke; + + memset(&event, 0, sizeof(event)); + + event.type = EV_LED; + event.code = LED_CAPSL; + event.value = leds & (1 << 0) ? 1 : 0; + write(ke->fd, (char *) &event, sizeof(event)); + + event.type = EV_LED; + event.code = LED_NUML; + event.value = leds & (1 << 1) ? 1 : 0; + write(ke->fd, (char *) &event, sizeof(event)); + + event.type = EV_LED; + event.code = LED_SCROLLL; + event.value = leds & (1 << 2) ? 1 : 0; + write(ke->fd, (char *) &event, sizeof(event)); + + event.type = EV_LED; + event.code = LED_COMPOSE; + event.value = leds & (1 << 3) ? 1 : 0; + write(ke->fd, (char *) &event, sizeof(event)); +*/ +} + +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, +}; |