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btnmgr.c revision 1.13
      1 /*	$NetBSD: btnmgr.c,v 1.13 2005/02/27 00:26:59 perry Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1999
      5  *         Shin Takemura and PocketBSD Project. All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the PocketBSD project
     18  *	and its contributors.
     19  * 4. Neither the name of the project nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  *
     35  */
     36 
     37 #include <sys/cdefs.h>
     38 __KERNEL_RCSID(0, "$NetBSD: btnmgr.c,v 1.13 2005/02/27 00:26:59 perry Exp $");
     39 
     40 #define BTNMGRDEBUG
     41 
     42 #include <sys/param.h>
     43 #include <sys/systm.h>
     44 #include <sys/ioctl.h>
     45 #include <sys/conf.h>
     46 #include <sys/device.h>
     47 #include <sys/malloc.h>
     48 #include <sys/kernel.h>
     49 
     50 #include "opt_wsdisplay_compat.h"
     51 #include <dev/wscons/wsconsio.h>
     52 #include <dev/wscons/wskbdvar.h>
     53 #include <dev/wscons/wsksymdef.h>
     54 #ifdef WSDISPLAY_COMPAT_RAWKBD
     55 #include <dev/hpc/pckbd_encode.h>
     56 #endif
     57 
     58 #include <machine/bus.h>
     59 #include <machine/autoconf.h>
     60 #include <machine/config_hook.h>
     61 
     62 #ifdef BTNMGRDEBUG
     63 #ifndef BTNMGRDEBUG_CONF
     64 #define BTNMGRDEBUG_CONF 0
     65 #endif
     66 int	btnmgr_debug = BTNMGRDEBUG_CONF;
     67 #define	DPRINTF(arg) if (btnmgr_debug) printf arg;
     68 #define	DPRINTFN(n, arg) if (btnmgr_debug > (n)) printf arg;
     69 #else
     70 #define	DPRINTF(arg)
     71 #define DPRINTFN(n, arg)
     72 #endif
     73 
     74 struct btnmgr_softc {
     75 	struct device sc_dev;
     76 	config_hook_tag	sc_hook_tag;
     77 	int sc_enabled;
     78 	struct device *sc_wskbddev;
     79 #ifdef WSDISPLAY_COMPAT_RAWKBD
     80 	int sc_rawkbd;
     81 #endif
     82 };
     83 
     84 int btnmgrmatch(struct device *, struct cfdata *, void *);
     85 void btnmgrattach(struct device *, struct device *, void *);
     86 char *btnmgr_name(long);
     87 static int btnmgr_hook(void *, int, long, void *);
     88 
     89 /*
     90  * global/static data
     91  */
     92 CFATTACH_DECL(btnmgr, sizeof(struct btnmgr_softc),
     93     btnmgrmatch, btnmgrattach, NULL, NULL);
     94 
     95 #ifdef notyet
     96 dev_type_open(btnmgropen);
     97 dev_type_close(btnmgrclose);
     98 dev_type_read(btnmgrread);
     99 dev_type_write(btnmgrwrite);
    100 dev_type_ioctl(btnmgrioctl);
    101 
    102 const struct cdevsw btnmgr_cdevsw = {
    103 	btnmgropen, btnmgrclose, btnmgrread, btnmgrwrite, btnmgrioctl,
    104 	nostop, notty, nopoll, nommap, nokqfilter,
    105 };
    106 #endif /* notyet */
    107 
    108 /* wskbd accessopts */
    109 int	btnmgr_wskbd_enable(void *, int);
    110 void	btnmgr_wskbd_set_leds(void *, int);
    111 int	btnmgr_wskbd_ioctl(void *, u_long, caddr_t, int, struct proc *);
    112 
    113 const struct wskbd_accessops btnmgr_wskbd_accessops = {
    114 	btnmgr_wskbd_enable,
    115 	btnmgr_wskbd_set_leds,
    116 	btnmgr_wskbd_ioctl,
    117 };
    118 
    119 /* button config: index by buttun event id */
    120 static const struct {
    121 	int  kevent;
    122 	int  keycode;
    123 	char *name;
    124 } button_config[] = {
    125 	/* id					kevent keycode name	*/
    126 	[CONFIG_HOOK_BUTTONEVENT_POWER] =	{ 0,   0, "Power"	},
    127 	[CONFIG_HOOK_BUTTONEVENT_OK] =		{ 1,  28, "OK"		},
    128 	[CONFIG_HOOK_BUTTONEVENT_CANCEL] =	{ 1,   1, "Cancel"	},
    129 	[CONFIG_HOOK_BUTTONEVENT_UP] =		{ 1,  72, "Up"		},
    130 	[CONFIG_HOOK_BUTTONEVENT_DOWN] =	{ 1,  80, "Down"	},
    131 	[CONFIG_HOOK_BUTTONEVENT_REC] =		{ 0,   0, "Rec"		},
    132 	[CONFIG_HOOK_BUTTONEVENT_COVER] =	{ 0,   0, "Cover"	},
    133 	[CONFIG_HOOK_BUTTONEVENT_LIGHT] =	{ 1,  57, "Light"	},
    134 	[CONFIG_HOOK_BUTTONEVENT_CONTRAST] =	{ 0,   0, "Contrast"	},
    135 	[CONFIG_HOOK_BUTTONEVENT_APP0] =	{ 1,  67, "Application 0" },
    136 	[CONFIG_HOOK_BUTTONEVENT_APP1] =	{ 1,  68, "Application 1" },
    137 	[CONFIG_HOOK_BUTTONEVENT_APP2] =	{ 1,  87, "Application 2" },
    138 	[CONFIG_HOOK_BUTTONEVENT_APP3] =	{ 1,  88, "Application 3" },
    139 };
    140 static const int n_button_config =
    141 	sizeof(button_config) / sizeof(*button_config);
    142 
    143 #define KC(n) KS_KEYCODE(n)
    144 static const keysym_t btnmgr_keydesc_default[] = {
    145 /*  pos				normal			shifted		*/
    146 	KC(1), 			KS_Escape,
    147 	KC(28), 			KS_Return,
    148 	KC(57),	KS_Cmd,		KS_Cmd_BacklightToggle,
    149 	KC(67), 			KS_f9,
    150 	KC(68), 			KS_f10,
    151 	KC(72), 			KS_KP_Up,
    152 	KC(80), 			KS_KP_Down,
    153 	KC(87), 			KS_f11,
    154 	KC(88), 			KS_f12,
    155 };
    156 #undef KC
    157 #define KBD_MAP(name, base, map) \
    158 			{ name, base, sizeof(map)/sizeof(keysym_t), map }
    159 const struct wscons_keydesc btnmgr_keydesctab[] = {
    160 	KBD_MAP(KB_US,		0,	btnmgr_keydesc_default),
    161 	{0, 0, 0, 0}
    162 };
    163 #undef KBD_MAP
    164 
    165 struct wskbd_mapdata btnmgr_keymapdata = {
    166 	btnmgr_keydesctab,
    167 	KB_US, /* XXX, This is bad idea... */
    168 };
    169 
    170 /*
    171  *  function bodies
    172  */
    173 int
    174 btnmgrmatch(struct device *parent, struct cfdata *match, void *aux)
    175 {
    176 	struct mainbus_attach_args *ma = aux;
    177 
    178 	if (strcmp(ma->ma_name, match->cf_name))
    179 		return 0;
    180 
    181 	return (1);
    182 }
    183 
    184 void
    185 btnmgrattach(struct device *parent, struct device *self, void *aux)
    186 {
    187 	int id;
    188 	struct btnmgr_softc *sc = (struct btnmgr_softc *)self;
    189 	struct wskbddev_attach_args wa;
    190 
    191 	printf("\n");
    192 
    193 	/*
    194 	 * install button event listener
    195 	 */
    196 	for (id = 0; id <= n_button_config; id++)
    197 		if (button_config[id].name != NULL)
    198 			sc->sc_hook_tag = config_hook(CONFIG_HOOK_BUTTONEVENT,
    199 			    id, CONFIG_HOOK_SHARE,
    200 			    btnmgr_hook, sc);
    201 
    202 	/*
    203 	 * attach wskbd
    204 	 */
    205 	wa.console = 0;
    206 	wa.keymap = &btnmgr_keymapdata;
    207 	wa.accessops = &btnmgr_wskbd_accessops;
    208 	wa.accesscookie = sc;
    209 
    210 	sc->sc_wskbddev = config_found(self, &wa, wskbddevprint);
    211 }
    212 
    213 static int
    214 btnmgr_hook(void *ctx, int type, long id, void *msg)
    215 {
    216 	struct btnmgr_softc *sc = ctx;
    217 
    218 	DPRINTF(("%s button: %s\n", btnmgr_name(id), msg ? "ON" : "OFF"));
    219 
    220 	if (button_config[id].kevent) {
    221 		u_int evtype;
    222 		evtype = msg ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
    223 #ifdef WSDISPLAY_COMPAT_RAWKBD
    224 		if (sc->sc_rawkbd) {
    225 			int n;
    226 			u_char data[16];
    227 			n = pckbd_encode(evtype, button_config[id].keycode,
    228 			    data);
    229 			wskbd_rawinput(sc->sc_wskbddev, data, n);
    230 		} else
    231 #endif
    232 			wskbd_input(sc->sc_wskbddev, evtype,
    233 			    button_config[id].keycode);
    234 	}
    235 
    236 	if (id == CONFIG_HOOK_BUTTONEVENT_POWER && msg)
    237 		config_hook_call(CONFIG_HOOK_PMEVENT,
    238 		    CONFIG_HOOK_PMEVENT_SUSPENDREQ, NULL);
    239 	else if (id == CONFIG_HOOK_BUTTONEVENT_COVER)
    240 		config_hook_call(CONFIG_HOOK_POWERCONTROL,
    241 		    CONFIG_HOOK_POWERCONTROL_LCDLIGHT, (void*)(msg ? 0: 1));
    242 
    243 	return (0);
    244 }
    245 
    246 char*
    247 btnmgr_name(long id)
    248 {
    249 	if (id < n_button_config)
    250 		return (button_config[id].name);
    251 	return ("unknown");
    252 }
    253 
    254 int
    255 btnmgr_wskbd_enable(void *scx, int on)
    256 {
    257 	struct btnmgr_softc *sc = scx;
    258 
    259 	if (on) {
    260 		if (sc->sc_enabled)
    261 			return (EBUSY);
    262 		sc->sc_enabled = 1;
    263 	} else {
    264 		sc->sc_enabled = 0;
    265 	}
    266 
    267 	return (0);
    268 }
    269 
    270 void
    271 btnmgr_wskbd_set_leds(void *scx, int leds)
    272 {
    273 	/*
    274 	 * We have nothing to do.
    275 	 */
    276 }
    277 
    278 int
    279 btnmgr_wskbd_ioctl(void *scx, u_long cmd, caddr_t data, int flag,
    280     struct proc *p)
    281 {
    282 #ifdef WSDISPLAY_COMPAT_RAWKBD
    283 	struct btnmgr_softc *sc = scx;
    284 #endif
    285 	switch (cmd) {
    286 	case WSKBDIO_GTYPE:
    287 		*(int *)data = WSKBD_TYPE_HPC_BTN;
    288 		return (0);
    289 	case WSKBDIO_SETLEDS:
    290 		DPRINTF(("%s(%d): no LED\n", __FILE__, __LINE__));
    291 		return (0);
    292 	case WSKBDIO_GETLEDS:
    293 		DPRINTF(("%s(%d): no LED\n", __FILE__, __LINE__));
    294 		*(int *)data = 0;
    295 		return (0);
    296 #ifdef WSDISPLAY_COMPAT_RAWKBD
    297 	case WSKBDIO_SETMODE:
    298 		sc->sc_rawkbd = (*(int *)data == WSKBD_RAW);
    299 		DPRINTF(("%s(%d): rawkbd is %s\n", __FILE__, __LINE__,
    300 		    sc->sc_rawkbd ? "on" : "off"));
    301 		return (0);
    302 #endif
    303 	}
    304 	return (EPASSTHROUGH);
    305 }
    306 
    307 #ifdef notyet
    308 int
    309 btnmgropen(dev_t dev, int flag, int mode, struct proc *p)
    310 {
    311 	return (EINVAL);
    312 }
    313 
    314 int
    315 btnmgrclose(dev_t dev, int flag, int mode, struct proc *p)
    316 {
    317 	return (EINVAL);
    318 }
    319 
    320 int
    321 btnmgrread(dev_t dev, struct uio *uio, int flag)
    322 {
    323 	return (EINVAL);
    324 }
    325 
    326 int
    327 btnmgrwrite(dev_t dev, struct uio *uio, int flag)
    328 {
    329 	return (EINVAL);
    330 }
    331 
    332 int
    333 btnmgrioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
    334 {
    335 	return (EINVAL);
    336 }
    337 #endif /* notyet */
    338