31144d9976
indicating an unhandled "command". ERESTART is -1, which can lead to confusion. ERESTART has been moved to -3 and EPASSTHROUGH has been placed at -4. No ioctl code should now return -1 anywhere. The ioctl() system call is now properly restartable.
326 lines
8.2 KiB
C
326 lines
8.2 KiB
C
/* $NetBSD: btnmgr.c,v 1.5 2002/03/17 19:40:56 atatat Exp $ */
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/*-
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* Copyright (c) 1999
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* Shin Takemura and PocketBSD Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the PocketBSD project
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* and its contributors.
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* 4. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: btnmgr.c,v 1.5 2002/03/17 19:40:56 atatat Exp $");
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#define BTNMGRDEBUG
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/ioctl.h>
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#include <sys/conf.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <sys/kernel.h>
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#include "opt_wsdisplay_compat.h"
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#include <dev/wscons/wsconsio.h>
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#include <dev/wscons/wskbdvar.h>
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#include <dev/wscons/wsksymdef.h>
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#ifdef WSDISPLAY_COMPAT_RAWKBD
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#include <dev/hpc/pckbd_encode.h>
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#endif
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#include <machine/bus.h>
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#include <machine/autoconf.h>
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#include <machine/config_hook.h>
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#ifdef BTNMGRDEBUG
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#ifndef BTNMGRDEBUG_CONF
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#define BTNMGRDEBUG_CONF 0
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#endif
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int btnmgr_debug = BTNMGRDEBUG_CONF;
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#define DPRINTF(arg) if (btnmgr_debug) printf arg;
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#define DPRINTFN(n, arg) if (btnmgr_debug > (n)) printf arg;
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#else
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#define DPRINTF(arg)
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#define DPRINTFN(n, arg)
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#endif
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cdev_decl(btnmgr);
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struct btnmgr_softc {
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struct device sc_dev;
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config_hook_tag sc_hook_tag;
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int sc_enabled;
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struct device *sc_wskbddev;
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#ifdef WSDISPLAY_COMPAT_RAWKBD
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int sc_rawkbd;
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#endif
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};
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int btnmgrmatch(struct device *, struct cfdata *, void *);
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void btnmgrattach(struct device *, struct device *, void *);
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char *btnmgr_name(long);
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static int btnmgr_hook(void *, int, long, void *);
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/*
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* global/static data
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*/
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struct cfattach btnmgr_ca = {
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sizeof(struct btnmgr_softc), btnmgrmatch, btnmgrattach
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};
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/* wskbd accessopts */
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int btnmgr_wskbd_enable(void *, int);
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void btnmgr_wskbd_set_leds(void *, int);
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int btnmgr_wskbd_ioctl(void *, u_long, caddr_t, int, struct proc *);
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const struct wskbd_accessops btnmgr_wskbd_accessops = {
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btnmgr_wskbd_enable,
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btnmgr_wskbd_set_leds,
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btnmgr_wskbd_ioctl,
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};
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/* button config: index by buttun event id */
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static const struct {
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int kevent;
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int keycode;
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char *name;
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} button_config[] = {
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/* id kevent keycode name */
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[CONFIG_HOOK_BUTTONEVENT_POWER] = { 0, 0, "Power" },
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[CONFIG_HOOK_BUTTONEVENT_OK] = { 1, 28, "OK" },
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[CONFIG_HOOK_BUTTONEVENT_CANCEL] = { 1, 1, "Cancel" },
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[CONFIG_HOOK_BUTTONEVENT_UP] = { 1, 72, "Up" },
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[CONFIG_HOOK_BUTTONEVENT_DOWN] = { 1, 80, "Down" },
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[CONFIG_HOOK_BUTTONEVENT_REC] = { 0, 0, "Rec" },
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[CONFIG_HOOK_BUTTONEVENT_COVER] = { 0, 0, "Cover" },
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[CONFIG_HOOK_BUTTONEVENT_LIGHT] = { 1, 57, "Light" },
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[CONFIG_HOOK_BUTTONEVENT_CONTRAST] = { 0, 0, "Contrast" },
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[CONFIG_HOOK_BUTTONEVENT_APP0] = { 1, 67, "Application 0" },
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[CONFIG_HOOK_BUTTONEVENT_APP1] = { 1, 68, "Application 1" },
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[CONFIG_HOOK_BUTTONEVENT_APP2] = { 1, 87, "Application 2" },
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[CONFIG_HOOK_BUTTONEVENT_APP3] = { 1, 88, "Application 3" },
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};
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static const int n_button_config =
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sizeof(button_config) / sizeof(*button_config);
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#define KC(n) KS_KEYCODE(n)
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static const keysym_t btnmgr_keydesc_default[] = {
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/* pos normal shifted */
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KC(1), KS_Escape,
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KC(28), KS_Return,
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KC(57), KS_Cmd, KS_Cmd_BacklightToggle,
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KC(67), KS_f9,
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KC(68), KS_f10,
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KC(72), KS_KP_Up,
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KC(80), KS_KP_Down,
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KC(87), KS_f11,
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KC(88), KS_f12,
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};
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#undef KC
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#define KBD_MAP(name, base, map) \
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{ name, base, sizeof(map)/sizeof(keysym_t), map }
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const struct wscons_keydesc btnmgr_keydesctab[] = {
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KBD_MAP(KB_US, 0, btnmgr_keydesc_default),
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{0, 0, 0, 0}
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};
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#undef KBD_MAP
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struct wskbd_mapdata btnmgr_keymapdata = {
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btnmgr_keydesctab,
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KB_US, /* XXX, This is bad idea... */
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};
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/*
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* function bodies
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*/
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int
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btnmgrmatch(struct device *parent, struct cfdata *match, void *aux)
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{
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struct mainbus_attach_args *ma = aux;
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if (strcmp(ma->ma_name, match->cf_driver->cd_name))
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return 0;
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return (1);
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}
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void
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btnmgrattach(struct device *parent, struct device *self, void *aux)
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{
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int id;
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struct btnmgr_softc *sc = (struct btnmgr_softc *)self;
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struct wskbddev_attach_args wa;
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printf("\n");
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/*
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* install button event listener
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*/
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for (id = 0; id <= n_button_config; id++)
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if (button_config[id].name != NULL)
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sc->sc_hook_tag = config_hook(CONFIG_HOOK_BUTTONEVENT,
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id, CONFIG_HOOK_SHARE,
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btnmgr_hook, sc);
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/*
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* attach wskbd
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*/
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wa.console = 0;
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wa.keymap = &btnmgr_keymapdata;
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wa.accessops = &btnmgr_wskbd_accessops;
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wa.accesscookie = sc;
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sc->sc_wskbddev = config_found(self, &wa, wskbddevprint);
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}
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static int
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btnmgr_hook(void *ctx, int type, long id, void *msg)
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{
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struct btnmgr_softc *sc = ctx;
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DPRINTF(("%s button: %s\n", btnmgr_name(id), msg ? "ON" : "OFF"));
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if (button_config[id].kevent) {
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u_int evtype;
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evtype = msg ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
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#ifdef WSDISPLAY_COMPAT_RAWKBD
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if (sc->sc_rawkbd) {
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int n;
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u_char data[16];
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n = pckbd_encode(evtype, button_config[id].keycode,
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data);
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wskbd_rawinput(sc->sc_wskbddev, data, n);
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} else
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#endif
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wskbd_input(sc->sc_wskbddev, evtype,
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button_config[id].keycode);
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}
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if (id == CONFIG_HOOK_BUTTONEVENT_POWER && msg)
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config_hook_call(CONFIG_HOOK_PMEVENT,
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CONFIG_HOOK_PMEVENT_SUSPENDREQ, NULL);
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return (0);
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}
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char*
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btnmgr_name(long id)
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{
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if (id < n_button_config)
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return (button_config[id].name);
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return ("unknown");
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}
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int
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btnmgr_wskbd_enable(void *scx, int on)
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{
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struct btnmgr_softc *sc = scx;
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if (on) {
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if (sc->sc_enabled)
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return (EBUSY);
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sc->sc_enabled = 1;
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} else {
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sc->sc_enabled = 0;
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}
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return (0);
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}
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void
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btnmgr_wskbd_set_leds(void *scx, int leds)
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{
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/*
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* We have nothing to do.
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*/
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}
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int
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btnmgr_wskbd_ioctl(void *scx, u_long cmd, caddr_t data, int flag,
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struct proc *p)
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{
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#ifdef WSDISPLAY_COMPAT_RAWKBD
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struct btnmgr_softc *sc = scx;
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#endif
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switch (cmd) {
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case WSKBDIO_GTYPE:
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*(int *)data = WSKBD_TYPE_HPC_BTN;
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return (0);
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case WSKBDIO_SETLEDS:
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DPRINTF(("%s(%d): no LED\n", __FILE__, __LINE__));
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return (0);
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case WSKBDIO_GETLEDS:
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DPRINTF(("%s(%d): no LED\n", __FILE__, __LINE__));
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*(int *)data = 0;
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return (0);
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#ifdef WSDISPLAY_COMPAT_RAWKBD
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case WSKBDIO_SETMODE:
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sc->sc_rawkbd = (*(int *)data == WSKBD_RAW);
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DPRINTF(("%s(%d): rawkbd is %s\n", __FILE__, __LINE__,
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sc->sc_rawkbd ? "on" : "off"));
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return (0);
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#endif
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}
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return (EPASSTHROUGH);
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}
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#ifdef notyet
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int
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btnmgropen(dev_t dev, int flag, int mode, struct proc *p)
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{
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return (EINVAL);
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}
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int
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btnmgrclose(dev_t dev, int flag, int mode, struct proc *p)
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{
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return (EINVAL);
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}
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int
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btnmgrread(dev_t dev, struct uio *uio, int flag)
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{
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return (EINVAL);
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}
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int
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btnmgrwrite(dev_t dev, struct uio *uio, int flag)
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{
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return (EINVAL);
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}
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int
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btnmgrioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
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{
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return (EINVAL);
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}
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#endif /* notyet */
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