btnmgr.c revision 1.26 1 /* $NetBSD: btnmgr.c,v 1.26 2012/10/27 17:18:17 chs 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 1.26 2012/10/27 17:18:17 chs Exp $");
39
40 #ifdef _KERNEL_OPT
41 #include "opt_btnmgr.h"
42 #include "opt_wsdisplay_compat.h"
43 #endif
44
45 #include <sys/param.h>
46 #include <sys/systm.h>
47 #include <sys/ioctl.h>
48 #include <sys/conf.h>
49 #include <sys/device.h>
50 #include <sys/malloc.h>
51 #include <sys/kernel.h>
52
53 #include <dev/wscons/wsconsio.h>
54 #include <dev/wscons/wskbdvar.h>
55 #include <dev/wscons/wsksymdef.h>
56 #ifdef WSDISPLAY_COMPAT_RAWKBD
57 #include <dev/hpc/pckbd_encode.h>
58 #endif
59
60 #include <sys/bus.h>
61 #include <machine/autoconf.h>
62 #include <machine/config_hook.h>
63
64 #ifdef BTNMGRDEBUG
65 #ifndef BTNMGRDEBUG_CONF
66 #define BTNMGRDEBUG_CONF 0
67 #endif
68 int btnmgr_debug = BTNMGRDEBUG_CONF;
69 #define DPRINTF(arg) if (btnmgr_debug) printf arg;
70 #define DPRINTFN(n, arg) if (btnmgr_debug > (n)) printf arg;
71 #else
72 #define DPRINTF(arg)
73 #define DPRINTFN(n, arg)
74 #endif
75
76 struct btnmgr_softc {
77 config_hook_tag sc_hook_tag;
78 int sc_enabled;
79 device_t sc_wskbddev;
80 #ifdef WSDISPLAY_COMPAT_RAWKBD
81 int sc_rawkbd;
82 #endif
83 };
84
85 int btnmgrmatch(device_t, cfdata_t, void *);
86 void btnmgrattach(device_t, device_t, void *);
87 const char *btnmgr_name(long);
88 static int btnmgr_hook(void *, int, long, void *);
89
90 /*
91 * global/static data
92 */
93 CFATTACH_DECL_NEW(btnmgr, sizeof(struct btnmgr_softc),
94 btnmgrmatch, btnmgrattach, NULL, NULL);
95
96 #ifdef notyet
97 dev_type_open(btnmgropen);
98 dev_type_close(btnmgrclose);
99 dev_type_read(btnmgrread);
100 dev_type_write(btnmgrwrite);
101 dev_type_ioctl(btnmgrioctl);
102
103 const struct cdevsw btnmgr_cdevsw = {
104 btnmgropen, btnmgrclose, btnmgrread, btnmgrwrite, btnmgrioctl,
105 nostop, notty, nopoll, nommap, nokqfilter,
106 };
107 #endif /* notyet */
108
109 /* wskbd accessopts */
110 int btnmgr_wskbd_enable(void *, int);
111 void btnmgr_wskbd_set_leds(void *, int);
112 int btnmgr_wskbd_ioctl(void *, u_long, void *, int, struct lwp *);
113
114 const struct wskbd_accessops btnmgr_wskbd_accessops = {
115 btnmgr_wskbd_enable,
116 btnmgr_wskbd_set_leds,
117 btnmgr_wskbd_ioctl,
118 };
119
120 /* button config: index by button event id */
121 static const struct {
122 int kevent;
123 int keycode;
124 const char *name;
125 } button_config[] = {
126 /* id kevent keycode name */
127 [CONFIG_HOOK_BUTTONEVENT_POWER] = { 0, 0, "Power" },
128 [CONFIG_HOOK_BUTTONEVENT_OK] = { 1, 28, "OK" },
129 [CONFIG_HOOK_BUTTONEVENT_CANCEL] = { 1, 1, "Cancel" },
130 [CONFIG_HOOK_BUTTONEVENT_UP] = { 1, 72, "Up" },
131 [CONFIG_HOOK_BUTTONEVENT_DOWN] = { 1, 80, "Down" },
132 [CONFIG_HOOK_BUTTONEVENT_REC] = { 0, 0, "Rec" },
133 [CONFIG_HOOK_BUTTONEVENT_COVER] = { 0, 0, "Cover" },
134 [CONFIG_HOOK_BUTTONEVENT_LIGHT] = { 1, 57, "Light" },
135 [CONFIG_HOOK_BUTTONEVENT_CONTRAST] = { 0, 0, "Contrast" },
136 [CONFIG_HOOK_BUTTONEVENT_APP0] = { 1, 67, "Application 0" },
137 [CONFIG_HOOK_BUTTONEVENT_APP1] = { 1, 68, "Application 1" },
138 [CONFIG_HOOK_BUTTONEVENT_APP2] = { 1, 87, "Application 2" },
139 [CONFIG_HOOK_BUTTONEVENT_APP3] = { 1, 88, "Application 3" },
140 };
141 static const int n_button_config =
142 sizeof(button_config) / sizeof(*button_config);
143
144 #define KC(n) KS_KEYCODE(n)
145 static const keysym_t btnmgr_keydesc_default[] = {
146 /* pos normal shifted */
147 KC(1), KS_Escape,
148 KC(28), KS_Return,
149 KC(57), KS_Cmd, KS_Cmd_BacklightToggle,
150 KC(67), KS_f9,
151 KC(68), KS_f10,
152 KC(72), KS_KP_Up,
153 KC(80), KS_KP_Down,
154 KC(87), KS_f11,
155 KC(88), KS_f12,
156 };
157 #undef KC
158 #define KBD_MAP(name, base, map) \
159 { name, base, sizeof(map)/sizeof(keysym_t), map }
160 const struct wscons_keydesc btnmgr_keydesctab[] = {
161 KBD_MAP(KB_US, 0, btnmgr_keydesc_default),
162 {0, 0, 0, 0}
163 };
164 #undef KBD_MAP
165
166 struct wskbd_mapdata btnmgr_keymapdata = {
167 btnmgr_keydesctab,
168 KB_US, /* XXX, This is bad idea... */
169 };
170
171 /*
172 * function bodies
173 */
174 int
175 btnmgrmatch(device_t parent, cfdata_t match, void *aux)
176 {
177 struct mainbus_attach_args *ma = aux;
178
179 if (strcmp(ma->ma_name, match->cf_name))
180 return 0;
181
182 return (1);
183 }
184
185 void
186 btnmgrattach(device_t parent,
187 device_t self, void *aux)
188 {
189 int id;
190 struct btnmgr_softc *sc = device_private(self);
191 struct wskbddev_attach_args wa;
192
193 printf("\n");
194
195 /*
196 * install button event listener
197 */
198 for (id = 0; id <= n_button_config; id++)
199 if (button_config[id].name != NULL)
200 sc->sc_hook_tag = config_hook(CONFIG_HOOK_BUTTONEVENT,
201 id, CONFIG_HOOK_SHARE,
202 btnmgr_hook, sc);
203
204 /*
205 * attach wskbd
206 */
207 wa.console = 0;
208 wa.keymap = &btnmgr_keymapdata;
209 wa.accessops = &btnmgr_wskbd_accessops;
210 wa.accesscookie = sc;
211
212 sc->sc_wskbddev = config_found(self, &wa, wskbddevprint);
213
214 if (!pmf_device_register(self, NULL, NULL))
215 aprint_error_dev(self, "unable to establish power handler\n");
216 }
217
218 static int
219 btnmgr_hook(void *ctx, int type, long id, void *msg)
220 {
221 struct btnmgr_softc *sc = ctx;
222
223 DPRINTF(("%s button: %s\n", btnmgr_name(id), msg ? "ON" : "OFF"));
224
225 if (button_config[id].kevent) {
226 u_int evtype;
227 evtype = msg ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
228 #ifdef WSDISPLAY_COMPAT_RAWKBD
229 if (sc->sc_rawkbd) {
230 int n;
231 u_char data[16];
232 n = pckbd_encode(evtype, button_config[id].keycode,
233 data);
234 wskbd_rawinput(sc->sc_wskbddev, data, n);
235 } else
236 #endif
237 wskbd_input(sc->sc_wskbddev, evtype,
238 button_config[id].keycode);
239 }
240
241 if (id == CONFIG_HOOK_BUTTONEVENT_POWER && msg)
242 config_hook_call(CONFIG_HOOK_PMEVENT,
243 CONFIG_HOOK_PMEVENT_SUSPENDREQ, NULL);
244 else if (id == CONFIG_HOOK_BUTTONEVENT_COVER)
245 config_hook_call(CONFIG_HOOK_POWERCONTROL,
246 CONFIG_HOOK_POWERCONTROL_LCDLIGHT, (void*)(msg ? 0: 1));
247
248 return (0);
249 }
250
251 const char *
252 btnmgr_name(long id)
253 {
254 if (id < n_button_config)
255 return (button_config[id].name);
256 return ("unknown");
257 }
258
259 int
260 btnmgr_wskbd_enable(void *scx, int on)
261 {
262 struct btnmgr_softc *sc = scx;
263
264 if (on) {
265 if (sc->sc_enabled)
266 return (EBUSY);
267 sc->sc_enabled = 1;
268 } else {
269 sc->sc_enabled = 0;
270 }
271
272 return (0);
273 }
274
275 void
276 btnmgr_wskbd_set_leds(void *scx, int leds)
277 {
278 /*
279 * We have nothing to do.
280 */
281 }
282
283 int
284 btnmgr_wskbd_ioctl(void *scx, u_long cmd, void *data, int flag,
285 struct lwp *l)
286 {
287 #ifdef WSDISPLAY_COMPAT_RAWKBD
288 struct btnmgr_softc *sc = scx;
289 #endif
290 switch (cmd) {
291 case WSKBDIO_GTYPE:
292 *(int *)data = WSKBD_TYPE_HPC_BTN;
293 return (0);
294 case WSKBDIO_SETLEDS:
295 DPRINTF(("%s(%d): no LED\n", __FILE__, __LINE__));
296 return (0);
297 case WSKBDIO_GETLEDS:
298 DPRINTF(("%s(%d): no LED\n", __FILE__, __LINE__));
299 *(int *)data = 0;
300 return (0);
301 #ifdef WSDISPLAY_COMPAT_RAWKBD
302 case WSKBDIO_SETMODE:
303 sc->sc_rawkbd = (*(int *)data == WSKBD_RAW);
304 DPRINTF(("%s(%d): rawkbd is %s\n", __FILE__, __LINE__,
305 sc->sc_rawkbd ? "on" : "off"));
306 return (0);
307 #endif
308 }
309 return (EPASSTHROUGH);
310 }
311
312 #ifdef notyet
313 int
314 btnmgropen(dev_t dev, int flag, int mode, struct lwp *l)
315 {
316 return (EINVAL);
317 }
318
319 int
320 btnmgrclose(dev_t dev, int flag, int mode, struct lwp *l)
321 {
322 return (EINVAL);
323 }
324
325 int
326 btnmgrread(dev_t dev, struct uio *uio, int flag)
327 {
328 return (EINVAL);
329 }
330
331 int
332 btnmgrwrite(dev_t dev, struct uio *uio, int flag)
333 {
334 return (EINVAL);
335 }
336
337 int
338 btnmgrioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l)
339 {
340 return (EINVAL);
341 }
342 #endif /* notyet */
343