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btnmgr.c revision 1.5
      1 /*	$NetBSD: btnmgr.c,v 1.5 2002/03/17 19:40:56 atatat 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 1.5 2002/03/17 19:40:56 atatat 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 cdev_decl(btnmgr);
     75 
     76 struct btnmgr_softc {
     77 	struct device sc_dev;
     78 	config_hook_tag	sc_hook_tag;
     79 	int sc_enabled;
     80 	struct device *sc_wskbddev;
     81 #ifdef WSDISPLAY_COMPAT_RAWKBD
     82 	int sc_rawkbd;
     83 #endif
     84 };
     85 
     86 int btnmgrmatch(struct device *, struct cfdata *, void *);
     87 void btnmgrattach(struct device *, struct device *, void *);
     88 char *btnmgr_name(long);
     89 static int btnmgr_hook(void *, int, long, void *);
     90 
     91 /*
     92  * global/static data
     93  */
     94 struct cfattach btnmgr_ca = {
     95 	sizeof(struct btnmgr_softc), btnmgrmatch, btnmgrattach
     96 };
     97 
     98 /* wskbd accessopts */
     99 int	btnmgr_wskbd_enable(void *, int);
    100 void	btnmgr_wskbd_set_leds(void *, int);
    101 int	btnmgr_wskbd_ioctl(void *, u_long, caddr_t, int, struct proc *);
    102 
    103 const struct wskbd_accessops btnmgr_wskbd_accessops = {
    104 	btnmgr_wskbd_enable,
    105 	btnmgr_wskbd_set_leds,
    106 	btnmgr_wskbd_ioctl,
    107 };
    108 
    109 /* button config: index by buttun event id */
    110 static const struct {
    111 	int  kevent;
    112 	int  keycode;
    113 	char *name;
    114 } button_config[] = {
    115 	/* id					kevent keycode name	*/
    116 	[CONFIG_HOOK_BUTTONEVENT_POWER] =	{ 0,   0, "Power"	},
    117 	[CONFIG_HOOK_BUTTONEVENT_OK] =		{ 1,  28, "OK"		},
    118 	[CONFIG_HOOK_BUTTONEVENT_CANCEL] =	{ 1,   1, "Cancel"	},
    119 	[CONFIG_HOOK_BUTTONEVENT_UP] =		{ 1,  72, "Up"		},
    120 	[CONFIG_HOOK_BUTTONEVENT_DOWN] =	{ 1,  80, "Down"	},
    121 	[CONFIG_HOOK_BUTTONEVENT_REC] =		{ 0,   0, "Rec"		},
    122 	[CONFIG_HOOK_BUTTONEVENT_COVER] =	{ 0,   0, "Cover"	},
    123 	[CONFIG_HOOK_BUTTONEVENT_LIGHT] =	{ 1,  57, "Light"	},
    124 	[CONFIG_HOOK_BUTTONEVENT_CONTRAST] =	{ 0,   0, "Contrast"	},
    125 	[CONFIG_HOOK_BUTTONEVENT_APP0] =	{ 1,  67, "Application 0" },
    126 	[CONFIG_HOOK_BUTTONEVENT_APP1] =	{ 1,  68, "Application 1" },
    127 	[CONFIG_HOOK_BUTTONEVENT_APP2] =	{ 1,  87, "Application 2" },
    128 	[CONFIG_HOOK_BUTTONEVENT_APP3] =	{ 1,  88, "Application 3" },
    129 };
    130 static const int n_button_config =
    131 	sizeof(button_config) / sizeof(*button_config);
    132 
    133 #define KC(n) KS_KEYCODE(n)
    134 static const keysym_t btnmgr_keydesc_default[] = {
    135 /*  pos				normal			shifted		*/
    136 	KC(1), 			KS_Escape,
    137 	KC(28), 			KS_Return,
    138 	KC(57),	KS_Cmd,		KS_Cmd_BacklightToggle,
    139 	KC(67), 			KS_f9,
    140 	KC(68), 			KS_f10,
    141 	KC(72), 			KS_KP_Up,
    142 	KC(80), 			KS_KP_Down,
    143 	KC(87), 			KS_f11,
    144 	KC(88), 			KS_f12,
    145 };
    146 #undef KC
    147 #define KBD_MAP(name, base, map) \
    148 			{ name, base, sizeof(map)/sizeof(keysym_t), map }
    149 const struct wscons_keydesc btnmgr_keydesctab[] = {
    150 	KBD_MAP(KB_US,		0,	btnmgr_keydesc_default),
    151 	{0, 0, 0, 0}
    152 };
    153 #undef KBD_MAP
    154 
    155 struct wskbd_mapdata btnmgr_keymapdata = {
    156 	btnmgr_keydesctab,
    157 	KB_US, /* XXX, This is bad idea... */
    158 };
    159 
    160 /*
    161  *  function bodies
    162  */
    163 int
    164 btnmgrmatch(struct device *parent, struct cfdata *match, void *aux)
    165 {
    166 	struct mainbus_attach_args *ma = aux;
    167 
    168 	if (strcmp(ma->ma_name, match->cf_driver->cd_name))
    169 		return 0;
    170 
    171 	return (1);
    172 }
    173 
    174 void
    175 btnmgrattach(struct device *parent, struct device *self, void *aux)
    176 {
    177 	int id;
    178 	struct btnmgr_softc *sc = (struct btnmgr_softc *)self;
    179 	struct wskbddev_attach_args wa;
    180 
    181 	printf("\n");
    182 
    183 	/*
    184 	 * install button event listener
    185 	 */
    186 	for (id = 0; id <= n_button_config; id++)
    187 		if (button_config[id].name != NULL)
    188 			sc->sc_hook_tag = config_hook(CONFIG_HOOK_BUTTONEVENT,
    189 			    id, CONFIG_HOOK_SHARE,
    190 			    btnmgr_hook, sc);
    191 
    192 	/*
    193 	 * attach wskbd
    194 	 */
    195 	wa.console = 0;
    196 	wa.keymap = &btnmgr_keymapdata;
    197 	wa.accessops = &btnmgr_wskbd_accessops;
    198 	wa.accesscookie = sc;
    199 
    200 	sc->sc_wskbddev = config_found(self, &wa, wskbddevprint);
    201 }
    202 
    203 static int
    204 btnmgr_hook(void *ctx, int type, long id, void *msg)
    205 {
    206 	struct btnmgr_softc *sc = ctx;
    207 
    208 	DPRINTF(("%s button: %s\n", btnmgr_name(id), msg ? "ON" : "OFF"));
    209 
    210 	if (button_config[id].kevent) {
    211 		u_int evtype;
    212 		evtype = msg ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
    213 #ifdef WSDISPLAY_COMPAT_RAWKBD
    214 		if (sc->sc_rawkbd) {
    215 			int n;
    216 			u_char data[16];
    217 			n = pckbd_encode(evtype, button_config[id].keycode,
    218 			    data);
    219 			wskbd_rawinput(sc->sc_wskbddev, data, n);
    220 		} else
    221 #endif
    222 			wskbd_input(sc->sc_wskbddev, evtype,
    223 			    button_config[id].keycode);
    224 	}
    225 
    226 	if (id == CONFIG_HOOK_BUTTONEVENT_POWER && msg)
    227 		config_hook_call(CONFIG_HOOK_PMEVENT,
    228 		    CONFIG_HOOK_PMEVENT_SUSPENDREQ, NULL);
    229 
    230 
    231 	return (0);
    232 }
    233 
    234 char*
    235 btnmgr_name(long id)
    236 {
    237 	if (id < n_button_config)
    238 		return (button_config[id].name);
    239 	return ("unknown");
    240 }
    241 
    242 int
    243 btnmgr_wskbd_enable(void *scx, int on)
    244 {
    245 	struct btnmgr_softc *sc = scx;
    246 
    247 	if (on) {
    248 		if (sc->sc_enabled)
    249 			return (EBUSY);
    250 		sc->sc_enabled = 1;
    251 	} else {
    252 		sc->sc_enabled = 0;
    253 	}
    254 
    255 	return (0);
    256 }
    257 
    258 void
    259 btnmgr_wskbd_set_leds(void *scx, int leds)
    260 {
    261 	/*
    262 	 * We have nothing to do.
    263 	 */
    264 }
    265 
    266 int
    267 btnmgr_wskbd_ioctl(void *scx, u_long cmd, caddr_t data, int flag,
    268     struct proc *p)
    269 {
    270 #ifdef WSDISPLAY_COMPAT_RAWKBD
    271 	struct btnmgr_softc *sc = scx;
    272 #endif
    273 	switch (cmd) {
    274 	case WSKBDIO_GTYPE:
    275 		*(int *)data = WSKBD_TYPE_HPC_BTN;
    276 		return (0);
    277 	case WSKBDIO_SETLEDS:
    278 		DPRINTF(("%s(%d): no LED\n", __FILE__, __LINE__));
    279 		return (0);
    280 	case WSKBDIO_GETLEDS:
    281 		DPRINTF(("%s(%d): no LED\n", __FILE__, __LINE__));
    282 		*(int *)data = 0;
    283 		return (0);
    284 #ifdef WSDISPLAY_COMPAT_RAWKBD
    285 	case WSKBDIO_SETMODE:
    286 		sc->sc_rawkbd = (*(int *)data == WSKBD_RAW);
    287 		DPRINTF(("%s(%d): rawkbd is %s\n", __FILE__, __LINE__,
    288 		    sc->sc_rawkbd ? "on" : "off"));
    289 		return (0);
    290 #endif
    291 	}
    292 	return (EPASSTHROUGH);
    293 }
    294 
    295 #ifdef notyet
    296 int
    297 btnmgropen(dev_t dev, int flag, int mode, struct proc *p)
    298 {
    299 	return (EINVAL);
    300 }
    301 
    302 int
    303 btnmgrclose(dev_t dev, int flag, int mode, struct proc *p)
    304 {
    305 	return (EINVAL);
    306 }
    307 
    308 int
    309 btnmgrread(dev_t dev, struct uio *uio, int flag)
    310 {
    311 	return (EINVAL);
    312 }
    313 
    314 int
    315 btnmgrwrite(dev_t dev, struct uio *uio, int flag)
    316 {
    317 	return (EINVAL);
    318 }
    319 
    320 int
    321 btnmgrioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
    322 {
    323 	return (EINVAL);
    324 }
    325 #endif /* notyet */
    326