[PATCH v4] Add a 'wscons' autoconf mechanism to configure input devices on BSD.
Peter Hutterer
peter.hutterer at who-t.net
Mon Sep 26 20:19:27 PDT 2011
On Mon, Sep 19, 2011 at 09:03:27PM +0200, Matthieu Herrb wrote:
> This does not really handle hotplug (it's handled inside the kernel,
> by the 'mux' devices), but uses the wscons console driver
> configuration to figure out the keyboard layout and the list of
> pointing devices found by the kernel.
>
> Signed-off-by: Matthieu Herrb <matthieu.herrb at laas.fr>
> ---
> config/Makefile.am | 6 +
> config/config-backends.h | 5 +
> config/config.c | 5 +
> config/wscons.c | 276 +++++++++++++++++++++++++++++++++++++++
> configure.ac | 16 +++
> hw/xfree86/common/xf86Config.c | 6 +-
> hw/xfree86/common/xf86Globals.c | 2 +-
> hw/xfree86/common/xf86Xinput.c | 3 +-
> 8 files changed, 315 insertions(+), 4 deletions(-)
> create mode 100644 config/wscons.c
>
> diff --git a/config/Makefile.am b/config/Makefile.am
> index 4a2e873..69bdcf7 100644
> --- a/config/Makefile.am
> +++ b/config/Makefile.am
> @@ -34,6 +34,12 @@ libconfig_la_SOURCES += hal.c
> libconfig_la_LIBADD += $(HAL_LIBS)
> endif
>
> +else
> +
> +if CONFIG_WSCONS
> +libconfig_la_SOURCES += wscons.c
> +endif # CONFIG_WSCONS
> +
> endif # CONFIG_NEED_DBUS
>
> endif # !CONFIG_UDEV
> diff --git a/config/config-backends.h b/config/config-backends.h
> index 0a2a22a..945cc1f 100644
> --- a/config/config-backends.h
> +++ b/config/config-backends.h
> @@ -68,3 +68,8 @@ int config_hal_init(void);
> void config_hal_fini(void);
> # endif
> #endif
> +
> +#ifdef CONFIG_WSCONS
> +int config_wscons_init(void);
> +void config_wscons_fini(void);
> +#endif
> diff --git a/config/config.c b/config/config.c
> index d86f7c6..69bd6a1 100644
> --- a/config/config.c
> +++ b/config/config.c
> @@ -52,6 +52,9 @@ config_init(void)
> else {
> ErrorF("[config] failed to initialise D-Bus core\n");
> }
> +#elif defined(CONFIG_WSCONS)
> + if (!config_wscons_init())
> + ErrorF("[config] failed to initialise wscons\n");
> #endif
> }
>
> @@ -68,6 +71,8 @@ config_fini(void)
> config_dbus_fini();
> # endif
> config_dbus_core_fini();
> +#elif defined(CONFIG_WSCONS)
> + config_wscons_fini();
> #endif
> }
>
> diff --git a/config/wscons.c b/config/wscons.c
> new file mode 100644
> index 0000000..76825b7
> --- /dev/null
> +++ b/config/wscons.c
> @@ -0,0 +1,276 @@
> +/*
> + * Copyright (c) 2011 Matthieu Herrb
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> + * copy of this software and associated documentation files (the "Software"),
> + * to deal in the Software without restriction, including without limitation
> + * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> + * and/or sell copies of the Software, and to permit persons to whom the
> + * Software is furnished to do so, subject to the following conditions:
> + *
> + * The above copyright notice and this permission notice (including the next
> + * paragraph) shall be included in all copies or substantial portions of the
> + * Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
> + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
> + * DEALINGS IN THE SOFTWARE.
> + */
> +
> +#ifdef HAVE_DIX_CONFIG_H
> +#include <dix-config.h>
> +#endif
> +
> +#include <dev/wscons/wsconsio.h>
> +#include <dev/wscons/wsksymdef.h>
> +
> +#include <sys/ioctl.h>
> +#include <errno.h>
> +#include <string.h>
> +#include <unistd.h>
> +
> +#include "input.h"
> +#include "inputstr.h"
> +#include "os.h"
> +#include "config-backends.h"
> +
> +#define WSCONS_KBD_DEVICE "/dev/wskbd"
> +#define WSCONS_MOUSE_PREFIX "/dev/wsmouse"
> +
> +#define KB_OVRENC \
> + { KB_UK, "gb" }, \
> + { KB_SV, "se" }, \
> + { KB_SG, "ch" }, \
> + { KB_SF, "ch" }, \
> + { KB_LA, "latam" }, \
> + { KB_CF, "ca" }
> +
> +struct nameint {
> + int val;
> + char *name;
> +} kbdenc[] = { KB_OVRENC, KB_ENCTAB, { 0 } };
> +
> +struct nameint kbdvar[] = {
> + { KB_NODEAD | KB_SG, "de_nodeadkeys" },
> + { KB_NODEAD | KB_SF, "fr_nodeadkeys" },
> + { KB_SF, "fr" },
> + { KB_DVORAK | KB_CF, "fr-dvorak" },
> + { KB_DVORAK | KB_FR, "bepo" },
> + { KB_DVORAK, "dvorak" },
> + { KB_CF, "fr-legacy" },
> + { KB_NODEAD, "nodeadkeys" },
> + { 0 }
> +};
> +
> +struct nameint kbdopt[] = {
> + { KB_SWAPCTRLCAPS, "ctrl:swapcaps" },
> + { 0 }
> +};
> +
> +struct nameint kbdmodel[] = {
> + { WSKBD_TYPE_ZAURUS, "zaurus" },
> + { 0 }
> +};
> +
> +static void
> +wscons_add_keyboard(void)
> +{
> + InputAttributes attrs = {};
> + DeviceIntPtr dev = NULL;
> + InputOption *options = NULL, *tmpo;
> + char *config_info = NULL;
> + int fd, i, rc;
> + unsigned int type;
> + kbd_t wsenc = 0;
> +
> + /* Find keyboard configuration */
> + fd = open(WSCONS_KBD_DEVICE, O_RDWR | O_NONBLOCK | O_EXCL);
> + if (fd == -1) {
> + LogMessage(X_ERROR, "wskbd: open %s: %s\n",
> + WSCONS_KBD_DEVICE, strerror(errno));
> + return;
> + }
> + if (ioctl(fd, WSKBDIO_GETENCODING, &wsenc) == -1) {
> + LogMessage(X_WARNING, "wskbd: ioctl(WSKBDIO_GETENCODING) "
> + "failed: %s\n", strerror(errno));
> + close(fd);
> + return;
> + }
> + if (ioctl(fd, WSKBDIO_GTYPE, &type) == -1) {
> + LogMessage(X_WARNING, "wskbd: ioctl(WSKBDIO_GTYPE) "
> + "failed: %s\n", strerror(errno));
> + close(fd);
> + return;
> + }
> + close (fd);
> +
> + options = calloc(sizeof(*options), 1);
> + if (!options)
> + return;
> +
> + options->key = strdup("_source");
> + options->value = strdup("server/wscons");
> + if (!options->key || !options->value)
> + return;
> +
> + LogMessage(X_INFO, "config/wscons: checking input device %s\n",
> + WSCONS_KBD_DEVICE);
> + add_option(&options, "name", WSCONS_KBD_DEVICE);
> + add_option(&options, "driver", "kbd");
> +
> + config_info = Xprintf("wscons:%s", WSCONS_KBD_DEVICE);
> + if (!config_info)
> + goto unwind;
> + if (KB_ENCODING(wsenc) == KB_USER) {
> + /* Ignore wscons "user" layout */
> + LogMessageVerb(X_INFO, 3, "wskbd: ignoring \"user\" layout\n");
> + goto kbd_config_done;
> + }
> + for (i = 0; kbdenc[i].val; i++)
> + if(KB_ENCODING(wsenc) == kbdenc[i].val) {
> + LogMessageVerb(X_INFO, 3, "wskbd: using layout %s\n",
> + kbdenc[i].name);
> + add_option(&options, "xkb_layout", kbdenc[i].name);
> + break;
> + }
> + for (i = 0; kbdvar[i].val; i++)
> + if (wsenc == kbdvar[i].val ||
> + KB_VARIANT(wsenc) == kbdvar[i].val) {
> + LogMessageVerb(X_INFO, 3, "wskbd: using variant %s\n",
> + kbdvar[i].name);
> + add_option(&options, "xkb_variant", kbdvar[i].name);
> + break;
> + }
> + for (i = 0; kbdopt[i].val; i++)
> + if (KB_VARIANT(wsenc) == kbdopt[i].val) {
> + LogMessageVerb(X_INFO, 3, "wskbd: using option %s\n",
> + kbdopt[i].name);
> + add_option(&options, "xkb_options", kbdopt[i].name);
> + break;
> + }
> + for (i = 0; kbdmodel[i].val; i++)
> + if (type == kbdmodel[i].val) {
> + LogMessageVerb(X_INFO, 3, "wskbd: using model %s\n",
> + kbdmodel[i].name);
> + add_option(&options, "xkb_model", kbdmodel[i].name);
> + break;
> + }
> +
> +kbd_config_done:
> + attrs.flags |= ATTR_KEYBOARD;
> + rc = NewInputDeviceRequest(options, &attrs, &dev);
> + if (rc != Success)
> + goto unwind;
> +
> + for (; dev; dev = dev->next) {
> + free(dev->config_info);
> + dev->config_info = strdup(config_info);
> + }
> +unwind:
> + while (!dev && (tmpo = options)) {
> + options = tmpo->next;
> + free(tmpo->key);
> + free(tmpo->value);
> + free(tmpo);
> + }
> +}
> +
> +static void
> +wscons_add_pointer(const char *path, const char *driver, int flags)
> +{
> + InputAttributes attrs = {};
> + DeviceIntPtr dev = NULL;
> + InputOption *options = NULL, *tmpo;
> + char *config_info = NULL;
> + int rc;
> +
> + config_info = Xprintf("wscons:%s", path);
> + if (!config_info)
> + return;
> + options = calloc(sizeof(*options), 1);
> + if (!options)
> + return;
> +
> + options->key = strdup("_source");
> + options->value = strdup("server/wscons");
> + if (!options->key || !options->value)
> + return;
> + add_option(&options, "name", strdup(path));
> + add_option(&options, "driver", strdup(driver));
> + add_option(&options, "device", strdup(path));
> + LogMessage(X_INFO, "config/wscons: checking input device %s\n", path);
> + attrs.flags |= flags;
> + rc = NewInputDeviceRequest(options, &attrs, &dev);
> + if (rc != Success)
> + goto unwind;
> +
> + for (; dev; dev = dev->next) {
> + free(dev->config_info);
> + dev->config_info = strdup(config_info);
> + }
> +unwind:
> + while (!dev && (tmpo = options)) {
> + options = tmpo->next;
> + free(tmpo->key);
> + free(tmpo->value);
> + free(tmpo);
> + }
> +}
> +
> +static void
> +wscons_add_pointers(void)
> +{
> + char devname[256];
> + int fd, i, wsmouse_type;
> +
> + /* Check pointing devices */
> + for (i = 0; i < 4; i++) {
> + snprintf(devname, sizeof(devname), "%s%d",
> + WSCONS_MOUSE_PREFIX, i);
> + LogMessageVerb(X_INFO, 10, "wsmouse: checking %s\n", devname);
> + fd = open_device(devnamem O_RDWR | O_NONBLOCK | O_EXCL);
> + if (fd == -1) {
> + LogMessageVerb(X_WARNING, 10, "%s: %s\n", devname,
> + strerror(errno));
> + continue;
> + }
> + if (ioctl(fd, WSMOUSEIO_GTYPE, &wsmouse_type) != 0) {
> + LogMessageVerb(X_WARNING, 10,
> + "%s: WSMOUSEIO_GTYPE failed\n", devname);
> + close(fd);
> + continue;
> + }
> + close(fd);
> + switch (wsmouse_type) {
> + case WSMOUSE_TYPE_SYNAPTICS:
> + wscons_add_pointer(devname, "synaptics",
> + ATTR_TOUCHPAD);
> + break;
> + case WSMOUSE_TYPE_TPANEL:
> + wscons_add_pointer(devname, "ws", ATTR_TOUCHSCREEN);
> + break;
> + default:
> + break;
> + }
> + }
> + /* Add a default entry catching all other mux elements as "mouse" */
> + wscons_add_pointer(WSCONS_MOUSE_PREFIX, "mouse", ATTR_POINTER);
> +}
> +
> +int
> +config_wscons_init(void)
> +{
> + wscons_add_keyboard();
> + wscons_add_pointers();
> + return 1;
> +}
> +
> +void
> +config_wscons_fini(void)
> +{
> + /* Not much to do ? */
> +}
> diff --git a/configure.ac b/configure.ac
> index 2ac1f2e..602e2ea 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -632,6 +632,7 @@ AC_ARG_ENABLE(dpms, AS_HELP_STRING([--disable-dpms], [Build DPMS exten
> AC_ARG_ENABLE(config-udev, AS_HELP_STRING([--enable-config-udev], [Build udev support (default: auto)]), [CONFIG_UDEV=$enableval], [CONFIG_UDEV=auto])
> AC_ARG_ENABLE(config-dbus, AS_HELP_STRING([--enable-config-dbus], [Build D-BUS API support (default: no)]), [CONFIG_DBUS_API=$enableval], [CONFIG_DBUS_API=no])
> AC_ARG_ENABLE(config-hal, AS_HELP_STRING([--disable-config-hal], [Build HAL support (default: auto)]), [CONFIG_HAL=$enableval], [CONFIG_HAL=auto])
> +AC_ARG_ENABLE(config-wscons, AS_HELP_STRING([--enable-config-wscons], [Build wscons config support (default: auto)]), [CONFIG_WSCONS=$enableval], [CONFIG_WSCONS=auto])
> AC_ARG_ENABLE(xfree86-utils, AS_HELP_STRING([--enable-xfree86-utils], [Build xfree86 DDX utilities (default: enabled)]), [XF86UTILS=$enableval], [XF86UTILS=yes])
> AC_ARG_ENABLE(xaa, AS_HELP_STRING([--enable-xaa], [Build XAA (default: enabled)]), [XAA=$enableval], [XAA=yes])
> AC_ARG_ENABLE(vgahw, AS_HELP_STRING([--enable-vgahw], [Build Xorg with vga access (default: enabled)]), [VGAHW=$enableval], [VGAHW=yes])
> @@ -872,6 +873,21 @@ if test "x$CONFIG_NEED_DBUS" = xyes; then
> fi
> AM_CONDITIONAL(CONFIG_NEED_DBUS, [test "x$CONFIG_NEED_DBUS" = xyes])
>
> +if test "x$CONFIG_WSCONS" = xauto; then
> + case $host_os in
> + *openbsd*)
> + CONFIG_WSCONS=yes;
> + ;;
> + *)
> + CONFIG_WSCONS=no;
> + ;;
> + esac
> +fi
> +AM_CONDITIONAL(CONFIG_WSCONS, [test "x$CONFIG_WSCONS" = xyes])
> +if test "x$CONFIG_WSCONS" = xyes; then
> + AC_DEFINE(CONFIG_WSCONS, 1, [Use wscons for input auto configuration])
> +fi
> +
> if test "x$USE_SIGIO_BY_DEFAULT" = xyes; then
> USE_SIGIO_BY_DEFAULT_VALUE=TRUE
> else
> diff --git a/hw/xfree86/common/xf86Config.c b/hw/xfree86/common/xf86Config.c
> index 58b30dd..a0b057e 100644
> --- a/hw/xfree86/common/xf86Config.c
> +++ b/hw/xfree86/common/xf86Config.c
> @@ -1402,12 +1402,14 @@ checkCoreInputDevices(serverLayoutPtr servlayoutp, Bool implicitLayout)
> }
>
> if (!xf86Info.forceInputDevices && !(foundPointer && foundKeyboard)) {
> -#if defined(CONFIG_HAL) || defined(CONFIG_UDEV)
> +#if defined(CONFIG_HAL) || defined(CONFIG_UDEV) || defined(CONFIG_WSCONS)
> const char *config_backend;
> #if defined(CONFIG_HAL)
> config_backend = "HAL";
> -#else
> +#elif defined(CONFIG_UDEV)
> config_backend = "udev";
> +#else
> + config_backend = "wscons";
> #endif
> xf86Msg(X_INFO, "The server relies on %s to provide the list of "
> "input devices.\n\tIf no devices become available, "
> diff --git a/hw/xfree86/common/xf86Globals.c b/hw/xfree86/common/xf86Globals.c
> index 16d5557..df7df49 100644
> --- a/hw/xfree86/common/xf86Globals.c
> +++ b/hw/xfree86/common/xf86Globals.c
> @@ -126,7 +126,7 @@ xf86InfoRec xf86Info = {
> .log = LogNone,
> .disableRandR = FALSE,
> .randRFrom = X_DEFAULT,
> -#if defined(CONFIG_HAL) || defined(CONFIG_UDEV)
> +#if defined(CONFIG_HAL) || defined(CONFIG_UDEV) || defined(CONFIG_WSCONS)
> .forceInputDevices = FALSE,
> .autoAddDevices = TRUE,
> .autoEnableDevices = TRUE
> diff --git a/hw/xfree86/common/xf86Xinput.c b/hw/xfree86/common/xf86Xinput.c
> index d22fdc8..ba7f85d 100644
> --- a/hw/xfree86/common/xf86Xinput.c
> +++ b/hw/xfree86/common/xf86Xinput.c
> @@ -907,7 +907,8 @@ NewInputDeviceRequest (InputOption *options, InputAttributes *attrs,
>
> if (strcmp(option->key, "_source") == 0 &&
> (strcmp(option->value, "server/hal") == 0 ||
> - strcmp(option->value, "server/udev") == 0)) {
> + strcmp(option->value, "server/udev") == 0 ||
> + strcmp(option->value, "server/wscons") == 0)) {
this should be spaces instead.
I've only glanced through this but it looks correct. Note that some things
have changed a bit here and the patch doesn't apply cleanly. Keith is
currently merging my next branch, once that's in please rebase on top of
that.
Acked-by: Peter Hutterer <peter.hutterer at who-t.net>
Cheers,
Peter
> is_auto = 1;
> if (!xf86Info.autoAddDevices) {
> rval = BadMatch;
> --
> 1.7.4.1
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