OpenBSD wsconscomm support from shadchin@HEADobsd

1 files changed, 318 insertions, 0 deletions

diff --git a/src/wsconscomm.c b/src/wsconscomm.c
new file mode 100644
index 0000000..0e0c81d
--- /dev/null
+++ b/src/wsconscomm.c
@@ -0,0 +1,318 @@
+/*
+ * Copyright © 2011 Alexandr Shadchin
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, 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 "config.h"
+#endif
+
+#include <xorg-server.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <errno.h>
+#include <string.h>
+#include "synproto.h"
+#include "synapticsstr.h"
+#include <xf86.h>
+
+#include <fcntl.h>
+#include <dev/wscons/wsconsio.h>
+
+#ifdef X_PRIVSEP
+extern int priv_open_device(const char *);
+#endif
+
+#define DEFAULT_WSMOUSE_DEV		"/dev/wsmouse0"
+
+static Bool
+WSConsIsTouchpad(InputInfoPtr pInfo, const char *device)
+{
+    int wsmouse_type, fd = -1;
+    Bool rc = FALSE;
+
+    if (device) {
+#ifndef X_PRIVSEP
+        fd = open(device, O_RDWR);
+#else
+        fd = priv_open_device(device);
+#endif
+    } else
+        fd = pInfo->fd;
+
+    if (fd < 0)
+        return FALSE;
+
+    if (ioctl(fd, WSMOUSEIO_GTYPE, &wsmouse_type) == -1) {
+        xf86IDrvMsg(pInfo, X_ERROR, "cannot get mouse type\n");
+        goto out;
+    }
+
+    if (wsmouse_type == WSMOUSE_TYPE_SYNAPTICS ||
+        wsmouse_type == WSMOUSE_TYPE_ALPS ||
+        wsmouse_type == WSMOUSE_TYPE_ELANTECH)
+        rc = TRUE;
+
+out:
+    if (device)
+        close(fd);
+
+    return rc;
+}
+
+static Bool
+WSConsReadEvent(InputInfoPtr pInfo, struct wscons_event *event)
+{
+    Bool rc = TRUE;
+    ssize_t len;
+
+    len = read(pInfo->fd, event, sizeof(struct wscons_event));
+    if (len <= 0) {
+        if (errno != EAGAIN)
+            xf86IDrvMsg(pInfo, X_ERROR, "read error %s\n", strerror(errno));
+        rc = FALSE;
+    } else if (len % sizeof(struct wscons_event)) {
+        xf86IDrvMsg(pInfo, X_ERROR, "read error, invalid number of bytes\n");
+        rc = FALSE;
+    }
+
+    return rc;
+}
+
+static Bool
+WSConsDeviceOnHook(InputInfoPtr pInfo, SynapticsParameters *para)
+{
+    int wsmouse_mode = WSMOUSE_NATIVE;
+
+    if (ioctl(pInfo->fd, WSMOUSEIO_SETMODE, &wsmouse_mode) == -1) {
+        xf86IDrvMsg(pInfo, X_ERROR, "cannot set native mode\n");
+        return FALSE;
+    }
+
+    return TRUE;
+}
+
+static Bool
+WSConsDeviceOffHook(InputInfoPtr pInfo)
+{
+    int wsmouse_mode = WSMOUSE_COMPAT;
+
+    if (ioctl(pInfo->fd, WSMOUSEIO_SETMODE, &wsmouse_mode) == -1) {
+        xf86IDrvMsg(pInfo, X_ERROR, "cannot set compat mode\n");
+        return FALSE;
+    }
+
+    return TRUE;
+}
+
+static Bool
+WSConsQueryHardware(InputInfoPtr pInfo)
+{
+    return WSConsIsTouchpad(pInfo, NULL);
+}
+
+static Bool
+WSConsReadHwState(InputInfoPtr pInfo,
+    struct CommData *comm, struct SynapticsHwState *hwRet)
+{
+    SynapticsPrivate *priv = (SynapticsPrivate *)pInfo->private;
+    struct SynapticsHwState *hw = comm->hwState;
+    struct wscons_event event;
+    Bool v;
+
+    /* Reset cumulative values if buttons were not previously pressed */
+    if (!hw->left && !hw->right && !hw->middle) {
+        hw->cumulative_dx = hw->x;
+        hw->cumulative_dy = hw->y;
+    }
+
+    while (WSConsReadEvent(pInfo, &event)) {
+        switch (event.type) {
+        case WSCONS_EVENT_MOUSE_UP:
+        case WSCONS_EVENT_MOUSE_DOWN:
+            v = (event.type == WSCONS_EVENT_MOUSE_DOWN) ? TRUE : FALSE;
+            switch (event.value) {
+            case 0:
+                hw->left = v;
+                break;
+            case 1:
+                hw->middle = v;
+                break;
+            case 2:
+                hw->right = v;
+                break;
+            case 3:
+                hw->up = v;
+                break;
+            case 4:
+                hw->down = v;
+                break;
+            case 5:
+                hw->multi[0] = v;
+                break;
+            case 6:
+                hw->multi[1] = v;
+                break;
+            case 7:
+                hw->multi[2] = v;
+                break;
+            case 8:
+                hw->multi[3] = v;
+                break;
+            case 9:
+                hw->multi[4] = v;
+                break;
+            case 10:
+                hw->multi[5] = v;
+                break;
+            case 11:
+                hw->multi[6] = v;
+                break;
+            case 12:
+                hw->multi[7] = v;
+                break;
+            }
+            break;
+        case WSCONS_EVENT_MOUSE_ABSOLUTE_X:
+            hw->x = event.value;
+            break;
+        case WSCONS_EVENT_MOUSE_ABSOLUTE_Y:
+            hw->y = priv->maxy - event.value + priv->miny;
+            break;
+        case WSCONS_EVENT_MOUSE_ABSOLUTE_Z:
+            hw->z = event.value;
+            break;
+        case WSCONS_EVENT_MOUSE_ABSOLUTE_W:
+            if (priv->model == MODEL_ELANTECH) {
+                /* Elantech touchpads report number of fingers directly. */
+                hw->fingerWidth = 5;
+                hw->numFingers = event.value;
+                break;
+            }
+            /* XXX magic number mapping which is mirrored in pms driver */
+            switch (event.value) {
+            case 0:
+                hw->fingerWidth = 5;
+                hw->numFingers = 2;
+                break;
+            case 1:
+                hw->fingerWidth = 5;
+                hw->numFingers = 3;
+                break;
+            case 4 ... 5:
+                hw->fingerWidth = event.value;
+                hw->numFingers = 1;
+                break;
+            }
+            break;
+        case WSCONS_EVENT_SYNC:
+            hw->millis = 1000 * event.time.tv_sec + event.time.tv_nsec / 1000000;
+            SynapticsCopyHwState(hwRet, hw);
+            return TRUE;
+        default:
+            return FALSE;
+        }
+    }
+
+    return FALSE;
+}
+
+static Bool
+WSConsAutoDevProbe(InputInfoPtr pInfo, const char *device)
+{
+    int i;
+
+    if (device && WSConsIsTouchpad(pInfo, device))
+        return TRUE;
+
+    if (WSConsIsTouchpad(pInfo, DEFAULT_WSMOUSE_DEV)) {
+        xf86IDrvMsg(pInfo, X_PROBED, "auto-dev sets device to %s\n",
+            DEFAULT_WSMOUSE_DEV);
+        xf86ReplaceStrOption(pInfo->options, "Device", DEFAULT_WSMOUSE_DEV);
+        return TRUE;
+    }
+
+    return FALSE;
+}
+
+static void
+WSConsReadDevDimensions(InputInfoPtr pInfo)
+{
+    SynapticsPrivate *priv = (SynapticsPrivate *)pInfo->private;
+    struct wsmouse_calibcoords wsmc;
+    int wsmouse_type;
+
+    if (ioctl(pInfo->fd, WSMOUSEIO_GCALIBCOORDS, &wsmc) != 0) {
+        xf86IDrvMsg(pInfo, X_ERROR, "failed to query axis range (%s)\n",
+            strerror(errno));
+        return;
+    }
+
+    priv->minx = wsmc.minx;
+    priv->maxx = wsmc.maxx;
+    priv->resx = wsmc.resx;
+    xf86IDrvMsg(pInfo, X_PROBED, "x-axis range %d - %d resolution %d\n",
+        priv->minx, priv->maxx, priv->resx);
+
+    priv->miny = wsmc.miny;
+    priv->maxy = wsmc.maxy;
+    priv->resy = wsmc.resy;
+    xf86IDrvMsg(pInfo, X_PROBED, "y-axis range %d - %d resolution %d\n",
+        priv->miny, priv->maxy, priv->resy);
+
+    priv->minp = 0;
+    priv->maxp = 255;
+
+    priv->minw = 0;
+    priv->maxw = 15;
+
+    priv->has_pressure = TRUE;
+    priv->has_left = TRUE;
+    priv->has_right = TRUE;
+    priv->has_middle = TRUE;
+
+    if (ioctl(pInfo->fd, WSMOUSEIO_GTYPE, &wsmouse_type) == -1)
+        xf86IDrvMsg(pInfo, X_ERROR, "cannot get mouse type\n");
+
+    switch (wsmouse_type) {
+    default:
+    case WSMOUSE_TYPE_SYNAPTICS:
+        priv->model = MODEL_SYNAPTICS;
+        priv->has_width = TRUE;
+        priv->has_double = TRUE;
+        priv->has_triple = TRUE;
+        break;
+    case WSMOUSE_TYPE_ALPS:
+        priv->model = MODEL_ALPS;
+        priv->has_width = FALSE;
+        priv->has_double = FALSE;
+        priv->has_triple = FALSE;
+        break;
+    case WSMOUSE_TYPE_ELANTECH:
+        priv->model = MODEL_ELANTECH;
+        priv->has_width = TRUE;
+        priv->has_double = TRUE;
+        priv->has_triple = TRUE;
+        break;
+    }
+}
+
+struct SynapticsProtocolOperations wscons_proto_operations = {
+    WSConsDeviceOnHook,
+    WSConsDeviceOffHook,
+    WSConsQueryHardware,
+    WSConsReadHwState,
+    WSConsAutoDevProbe,
+    WSConsReadDevDimensions
+};