sync code with last improvements from OpenBSD
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26235 changed files with 29195616 additions and 0 deletions
380
driver/xf86-input-synaptics/src/wsconscomm.c
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380
driver/xf86-input-synaptics/src/wsconscomm.c
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/*
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* Copyright © 2011 Alexandr Shadchin
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <xorg-server.h>
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#include <unistd.h>
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#include <sys/ioctl.h>
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#include <sys/time.h>
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#include <errno.h>
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#include <string.h>
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#include "synproto.h"
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#include "synapticsstr.h"
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#include <xf86.h>
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#include <fcntl.h>
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#include <dev/wscons/wsconsio.h>
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#ifdef X_PRIVSEP
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extern int priv_open_device(const char *);
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#endif
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#define DEFAULT_WSMOUSE_DEV "/dev/wsmouse0"
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#define NWSEVENTS 16
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struct wsconscomm_proto_data {
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struct wscons_event events[NWSEVENTS];
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size_t events_count;
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size_t events_pos;
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};
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static Bool
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WSConsIsTouchpad(InputInfoPtr pInfo, const char *device)
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{
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int wsmouse_type, fd = -1;
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Bool rc = FALSE;
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if (device) {
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#ifndef X_PRIVSEP
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fd = open(device, O_RDWR);
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#else
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fd = priv_open_device(device);
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#endif
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} else
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fd = pInfo->fd;
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if (fd < 0)
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return FALSE;
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if (ioctl(fd, WSMOUSEIO_GTYPE, &wsmouse_type) == -1) {
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xf86IDrvMsg(pInfo, X_ERROR, "cannot get mouse type\n");
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goto out;
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}
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if (wsmouse_type == WSMOUSE_TYPE_SYNAPTICS ||
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wsmouse_type == WSMOUSE_TYPE_SYNAP_SBTN ||
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wsmouse_type == WSMOUSE_TYPE_ALPS ||
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wsmouse_type == WSMOUSE_TYPE_ELANTECH ||
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wsmouse_type == WSMOUSE_TYPE_TOUCHPAD)
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rc = TRUE;
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out:
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if (device)
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close(fd);
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return rc;
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}
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static size_t
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WSConsReadEvents(InputInfoPtr pInfo)
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{
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SynapticsPrivate *priv = (SynapticsPrivate *)pInfo->private;
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struct wsconscomm_proto_data *proto_data = priv->proto_data;
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ssize_t len;
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proto_data->events_count = proto_data->events_pos = 0;
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len = read(pInfo->fd, proto_data->events, sizeof(proto_data->events));
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if (len <= 0) {
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if (errno != EAGAIN)
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xf86IDrvMsg(pInfo, X_ERROR, "read error %s\n", strerror(errno));
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} else if (len % sizeof(struct wscons_event)) {
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xf86IDrvMsg(pInfo, X_ERROR, "read error, invalid number of bytes\n");
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} else {
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proto_data->events_count = len / sizeof(struct wscons_event);
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}
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return proto_data->events_count;
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}
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static struct wscons_event *
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WSConsGetEvent(InputInfoPtr pInfo)
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{
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SynapticsPrivate *priv = (SynapticsPrivate *)pInfo->private;
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struct wsconscomm_proto_data *proto_data = priv->proto_data;
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struct wscons_event *event;
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if (proto_data->events_count == 0 && WSConsReadEvents(pInfo) == 0)
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return NULL;
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event = &proto_data->events[proto_data->events_pos];
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proto_data->events_pos++;
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proto_data->events_count--;
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return event;
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}
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static Bool
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WSConsDeviceOnHook(InputInfoPtr pInfo, SynapticsParameters *para)
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{
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int wsmouse_mode = WSMOUSE_NATIVE;
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if (ioctl(pInfo->fd, WSMOUSEIO_SETMODE, &wsmouse_mode) == -1) {
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xf86IDrvMsg(pInfo, X_ERROR, "cannot set native mode\n");
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return FALSE;
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}
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return TRUE;
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}
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static Bool
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WSConsDeviceOffHook(InputInfoPtr pInfo)
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{
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int wsmouse_mode = WSMOUSE_COMPAT;
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if (ioctl(pInfo->fd, WSMOUSEIO_SETMODE, &wsmouse_mode) == -1) {
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xf86IDrvMsg(pInfo, X_ERROR, "cannot set compat mode\n");
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return FALSE;
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}
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return TRUE;
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}
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static Bool
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WSConsQueryHardware(InputInfoPtr pInfo)
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{
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return WSConsIsTouchpad(pInfo, NULL);
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}
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static void
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WSConsAdjustScrollCoords(SynapticsPrivate *priv, struct SynapticsHwState *hw)
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{
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int dx, dy, i;
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dx = hw->x - priv->scroll.last_x;
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dy = hw->y - priv->scroll.last_y;
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priv->scroll.last_x = hw->x;
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priv->scroll.last_y = hw->y;
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for (i = 0; i < SYNAPTICS_MOVE_HISTORY; i++) {
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priv->move_hist[i].x += dx;
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priv->move_hist[i].y += dy;
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}
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}
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static Bool
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WSConsReadHwState(InputInfoPtr pInfo,
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struct CommData *comm, struct SynapticsHwState *hwRet)
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{
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SynapticsPrivate *priv = (SynapticsPrivate *)pInfo->private;
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struct wsconscomm_proto_data *proto_data = priv->proto_data;
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struct SynapticsHwState *hw = comm->hwState;
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struct wscons_event *event;
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Bool v, reset = FALSE;
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while ((event = WSConsGetEvent(pInfo)) != NULL) {
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switch (event->type) {
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case WSCONS_EVENT_MOUSE_UP:
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case WSCONS_EVENT_MOUSE_DOWN:
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v = (event->type == WSCONS_EVENT_MOUSE_DOWN) ? TRUE : FALSE;
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switch (event->value) {
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case 0:
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hw->left = v;
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break;
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case 1:
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hw->middle = v;
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break;
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case 2:
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hw->right = v;
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break;
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case 3:
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hw->up = v;
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break;
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case 4:
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hw->down = v;
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break;
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case 5:
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hw->multi[0] = v;
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break;
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case 6:
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hw->multi[1] = v;
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break;
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case 7:
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hw->multi[2] = v;
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break;
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case 8:
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hw->multi[3] = v;
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break;
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case 9:
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hw->multi[4] = v;
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break;
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case 10:
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hw->multi[5] = v;
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break;
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case 11:
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hw->multi[6] = v;
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break;
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case 12:
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hw->multi[7] = v;
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break;
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}
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break;
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case WSCONS_EVENT_MOUSE_ABSOLUTE_X:
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hw->x = event->value;
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hw->cumulative_dx = hw->x;
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break;
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case WSCONS_EVENT_MOUSE_ABSOLUTE_Y:
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hw->y = priv->maxy - event->value + priv->miny;
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hw->cumulative_dy = hw->y;
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break;
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case WSCONS_EVENT_TOUCH_PRESSURE:
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hw->z = event->value;
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break;
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case WSCONS_EVENT_TOUCH_CONTACTS:
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hw->numFingers = event->value;
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if (hw->numFingers == 0)
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hw->fingerWidth = 0;
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else if (hw->fingerWidth == 0)
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hw->fingerWidth = 5;
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break;
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case WSCONS_EVENT_TOUCH_WIDTH:
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hw->fingerWidth = event->value;
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break;
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case WSCONS_EVENT_TOUCH_RESET:
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/* The contact count or the active MT slot has changed. */
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reset = TRUE;
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break;
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case WSCONS_EVENT_SYNC:
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if (reset) {
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/* Ensure that pointer motion stops. */
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priv->count_packet_finger = 0;
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/* Don't use stale coordinates for filtering. */
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priv->hyst_center_x = hw->x;
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priv->hyst_center_y = hw->y;
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if (priv->vert_scroll_twofinger_on
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|| priv->horiz_scroll_twofinger_on) {
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WSConsAdjustScrollCoords(priv, hw);
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}
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}
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hw->millis = 1000 * event->time.tv_sec +
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event->time.tv_nsec / 1000000;
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SynapticsCopyHwState(hwRet, hw);
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return TRUE;
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default:
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return FALSE;
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}
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}
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return FALSE;
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}
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static Bool
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WSConsAutoDevProbe(InputInfoPtr pInfo, const char *device)
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{
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int i;
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if (device && WSConsIsTouchpad(pInfo, device))
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return TRUE;
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if (WSConsIsTouchpad(pInfo, DEFAULT_WSMOUSE_DEV)) {
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xf86IDrvMsg(pInfo, X_PROBED, "auto-dev sets device to %s\n",
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DEFAULT_WSMOUSE_DEV);
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xf86ReplaceStrOption(pInfo->options, "Device", DEFAULT_WSMOUSE_DEV);
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return TRUE;
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}
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return FALSE;
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}
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static void
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WSConsReadDevDimensions(InputInfoPtr pInfo)
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{
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SynapticsPrivate *priv = (SynapticsPrivate *)pInfo->private;
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SynapticsParameters *para = &priv->synpara;
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struct wsmouse_calibcoords wsmc;
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int wsmouse_type;
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priv->proto_data = calloc(1, sizeof(struct wsconscomm_proto_data));
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if (priv->proto_data == NULL) {
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xf86IDrvMsg(pInfo, X_ERROR, "failed to allocate protocol data (%s)\n",
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strerror(errno));
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return;
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}
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if (ioctl(pInfo->fd, WSMOUSEIO_GCALIBCOORDS, &wsmc) != 0) {
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free(priv->proto_data);
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priv->proto_data = NULL;
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xf86IDrvMsg(pInfo, X_ERROR, "failed to query axis range (%s)\n",
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strerror(errno));
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return;
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}
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priv->minx = wsmc.minx;
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priv->maxx = wsmc.maxx;
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priv->resx = wsmc.resx;
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xf86IDrvMsg(pInfo, X_PROBED, "x-axis range %d - %d resolution %d\n",
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priv->minx, priv->maxx, priv->resx);
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priv->miny = wsmc.miny;
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priv->maxy = wsmc.maxy;
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priv->resy = wsmc.resy;
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xf86IDrvMsg(pInfo, X_PROBED, "y-axis range %d - %d resolution %d\n",
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priv->miny, priv->maxy, priv->resy);
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priv->minp = 0;
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priv->maxp = 255;
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priv->minw = 0;
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priv->maxw = 15;
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priv->has_pressure = TRUE;
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priv->has_left = TRUE;
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priv->has_right = TRUE;
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priv->has_middle = TRUE;
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if (ioctl(pInfo->fd, WSMOUSEIO_GTYPE, &wsmouse_type) == -1)
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xf86IDrvMsg(pInfo, X_ERROR, "cannot get mouse type\n");
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switch (wsmouse_type) {
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default:
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case WSMOUSE_TYPE_SYNAP_SBTN:
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para->clickpad = TRUE;
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para->has_secondary_buttons = TRUE;
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/* FALLTHROUGH */
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case WSMOUSE_TYPE_SYNAPTICS:
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priv->model = MODEL_SYNAPTICS;
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priv->has_width = TRUE;
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priv->has_double = TRUE;
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priv->has_triple = TRUE;
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break;
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case WSMOUSE_TYPE_ALPS:
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priv->model = MODEL_ALPS;
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priv->has_width = FALSE;
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priv->has_double = FALSE;
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priv->has_triple = FALSE;
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break;
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case WSMOUSE_TYPE_TOUCHPAD:
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/* Use Elantech settings for the generic type. */
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/* FALLTHROUGH */
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case WSMOUSE_TYPE_ELANTECH:
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priv->model = MODEL_ELANTECH;
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priv->has_width = TRUE;
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priv->has_double = TRUE;
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priv->has_triple = TRUE;
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break;
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}
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}
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struct SynapticsProtocolOperations wscons_proto_operations = {
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WSConsDeviceOnHook,
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WSConsDeviceOffHook,
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WSConsQueryHardware,
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WSConsReadHwState,
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WSConsAutoDevProbe,
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WSConsReadDevDimensions
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};
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