hpqlb_acpi.c revision 1.2 1 /* $NetBSD: hpqlb_acpi.c,v 1.2 2008/05/02 01:53:33 simonb Exp $ */
2
3 /*-
4 * Copyright (c) 2008 Christoph Egger <cegger (at) netbsd.org>
5 * 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 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: hpqlb_acpi.c,v 1.2 2008/05/02 01:53:33 simonb Exp $");
31
32 #include <sys/types.h>
33 #include <sys/param.h>
34 #include <sys/malloc.h>
35 #include <sys/buf.h>
36 #include <sys/callout.h>
37 #include <sys/kernel.h>
38 #include <sys/device.h>
39 #include <sys/pmf.h>
40
41 #include <dev/acpi/acpivar.h>
42
43 #include <machine/pio.h>
44 #include <dev/wscons/wsconsio.h>
45 #include <dev/wscons/wskbdvar.h>
46 #include <dev/isa/isareg.h>
47
48 #ifdef HPQLB_DEBUG
49 #define DPRINTF(x) do { printf x; } while (/* CONSTCOND */0)
50 #else
51 #define DPRINTF(x)
52 #endif
53
54 struct hpqlb_softc {
55 device_t sc_dev;
56 struct acpi_devnode *sc_node;
57
58 device_t sc_wskbddev;
59
60 #define HP_PSW_DISPLAY_CYCLE 0
61 #define HP_PSW_BRIGHTNESS_UP 1
62 #define HP_PSW_BRIGHTNESS_DOWN 2
63 #define HP_PSW_SLEEP 3
64 #define HP_PSW_LAST 4
65 struct sysmon_pswitch sc_smpsw[HP_PSW_LAST];
66 bool sc_smpsw_displaycycle_valid;
67 bool sc_smpsw_sleep_valid;
68 };
69
70 #define HP_QLB_Quick 0x88
71 #define HP_QLB_DVD 0x8e
72 #define HP_QLB_FullBackward 0x90
73 #define HP_QLB_Play 0xa2
74 #define HP_QLB_FullForward 0x99
75 #define HP_QLB_Stop 0xa4
76 #define HP_QLB_VolumeMute 0xa0
77 #define HP_QLB_VolumeDown 0xae
78 #define HP_QLB_VolumeUp 0xb0
79
80 #define HP_QLB_Help 0xb1
81 #define HP_QLB_WWW 0xb2
82 #define HP_QLB_DisplayCycle /* ??? */
83 #define HP_QLB_Sleep 0xdf
84 #define HP_QLB_Lock 0x8a
85 #define HP_QLB_BrightnessDown /* ??? */
86 #define HP_QLB_BrightnessUp /* ??? */
87 #define HP_QLB_ChasisOpen 0xe3
88
89 static int hpqlb_match(device_t, cfdata_t, void *);
90 static void hpqlb_attach(device_t, device_t, void *);
91
92 static int hpqlb_finalize(device_t);
93 static int hpqlb_hotkey_handler(struct wskbd_softc *, void *, u_int, int);
94
95 static void hpqlb_init(device_t);
96 static bool hpqlb_resume(device_t PMF_FN_PROTO);
97
98 CFATTACH_DECL_NEW(hpqlb, sizeof(struct hpqlb_softc),
99 hpqlb_match, hpqlb_attach, NULL, NULL);
100
101 static const char * const hpqlb_ids[] = {
102 "HPQ0006",
103 "HPQ0007",
104 NULL
105 };
106
107 static int
108 hpqlb_match(device_t parent, cfdata_t match, void *opaque)
109 {
110 struct acpi_attach_args *aa = opaque;
111
112 if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE)
113 return 0;
114
115 return acpi_match_hid(aa->aa_node->ad_devinfo, hpqlb_ids);
116 }
117
118 static void
119 hpqlb_attach(device_t parent, device_t self, void *opaque)
120 {
121 struct hpqlb_softc *sc = device_private(self);
122 struct acpi_attach_args *aa = opaque;
123
124 sc->sc_node = aa->aa_node;
125 sc->sc_dev = self;
126
127 aprint_naive("\n");
128 aprint_normal(": HP Quick Launch Buttons\n");
129
130 hpqlb_init(self);
131
132 if (config_finalize_register(self, hpqlb_finalize) != 0)
133 aprint_error_dev(self,
134 "WARNING: unable to register hpqlb finalizer\n");
135
136 sc->sc_smpsw_displaycycle_valid = true;
137 sc->sc_smpsw[HP_PSW_DISPLAY_CYCLE].smpsw_name =
138 PSWITCH_HK_DISPLAY_CYCLE;
139 sc->sc_smpsw[HP_PSW_DISPLAY_CYCLE].smpsw_type =
140 PSWITCH_TYPE_HOTKEY;
141 if (sysmon_pswitch_register(&sc->sc_smpsw[HP_PSW_DISPLAY_CYCLE])) {
142 aprint_error_dev(self, "couldn't register with sysmon\n");
143 sc->sc_smpsw_displaycycle_valid = false;
144 }
145
146 sc->sc_smpsw_sleep_valid = true;
147 sc->sc_smpsw[HP_PSW_SLEEP].smpsw_name = device_xname(self);
148 sc->sc_smpsw[HP_PSW_SLEEP].smpsw_type = PSWITCH_TYPE_SLEEP;
149 if (sysmon_pswitch_register(&sc->sc_smpsw[HP_PSW_SLEEP])) {
150 aprint_error_dev(self, "couldn't register sleep with sysmon\n");
151 sc->sc_smpsw_sleep_valid = false;
152 }
153
154 if (!pmf_device_register(self, NULL, hpqlb_resume))
155 aprint_error_dev(self, "couldn't establish power handler\n");
156 }
157
158 static int
159 hpqlb_hotkey_handler(struct wskbd_softc *wskbd_sc, void *cookie,
160 u_int type, int value)
161 {
162 struct hpqlb_softc *sc = cookie;
163 int ret = 1;
164
165 switch (value) {
166 case HP_QLB_VolumeMute:
167 if (type != WSCONS_EVENT_KEY_DOWN)
168 break;
169 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_TOGGLE);
170 break;
171 case HP_QLB_VolumeDown:
172 if (type != WSCONS_EVENT_KEY_DOWN)
173 break;
174 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_DOWN);
175 break;
176 case HP_QLB_VolumeUp:
177 if (type != WSCONS_EVENT_KEY_DOWN)
178 break;
179 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_UP);
180 break;
181
182 #if 0
183 case HP_QLB_DisplayCycle: /* ??? */
184 if (type != WSCONS_EVENT_KEY_DOWN)
185 break;
186 if (sc->sc_smpsw_displaycycle_valid == false)
187 break;
188 sysmon_pswitch_event(&sc->sc_smpsw[HP_PSW_DISPLAY_CYCLE],
189 PSWITCH_EVENT_PRESSED);
190 break;
191 #endif
192 case HP_QLB_Sleep:
193 if (type != WSCONS_EVENT_KEY_DOWN)
194 break;
195 if (sc->sc_smpsw_sleep_valid == false) {
196 DPRINTF(("%s: Sleep hotkey\n",
197 device_xname(sc->sc_dev)));
198 break;
199 }
200 sysmon_pswitch_event(&sc->sc_smpsw[HP_PSW_SLEEP],
201 PSWITCH_EVENT_PRESSED);
202 break;
203 #if 0
204 case HP_QLB_BrightnessDown: /* ??? */
205 if (type != WSCONS_EVENT_KEY_DOWN)
206 break;
207 pmf_event_inject(NULL, PMFE_DISPLAY_BRIGHTNESS_DOWN);
208 break;
209 case HP_QLB_BrightnessUp: /* ??? */
210 if (type != WSCONS_EVENT_KEY_DOWN)
211 break;
212 pmf_event_inject(NULL, PMFE_DISPLAY_BRIGHTNESS_UP);
213 break;
214 #endif
215 case HP_QLB_ChasisOpen:
216 if (type != WSCONS_EVENT_KEY_DOWN)
217 break;
218 pmf_event_inject(NULL, PMFE_CHASSIS_LID_OPEN);
219 break;
220 default:
221 DPRINTF(("%s: unknown hotkey 0x%02x\n",
222 device_xname(sc->sc_dev), value));
223 ret = 0; /* Assume, this is no hotkey */
224 break;
225 }
226
227 return ret;
228 }
229
230 static void
231 hpqlb_init(device_t self)
232 {
233
234 /* HPQ0006: HP Quick Launch Buttons */
235 /* HPQ0007: HP Remote Device */
236 /* val 0, 1 or 7 == HPQ0006 */
237 /* val not 0, 1 or 7 == HPQ0007 */
238
239 /* Turn on Quick Launch Buttons */
240 outb(IO_RTC+2, 0xaf);
241 outb(IO_RTC+3, 7 /* val */);
242 }
243
244 static int
245 hpqlb_finalize(device_t self)
246 {
247 device_t dv;
248 struct hpqlb_softc *sc = device_private(self);
249 static int done_once = 0;
250
251 /* Since we only handle real hardware, we only need to be
252 * called once.
253 */
254 if (done_once)
255 return 0;
256 done_once = 1;
257
258 TAILQ_FOREACH(dv, &alldevs, dv_list) {
259 if (!device_is_a(dv, "wskbd"))
260 continue;
261
262 /* Make sure, we don't get a wskbd from a USB keyboard.
263 * QLB only works on the wskbd attached on pckbd. */
264 if (!device_is_a(device_parent(dv), "pckbd"))
265 continue;
266
267 aprint_normal_dev(self, "registering on %s\n",
268 device_xname(dv));
269 break;
270 }
271
272 if (dv == NULL) {
273 aprint_error_dev(self, "WARNING: no matching wskbd found\n");
274 return 1;
275 }
276
277 sc->sc_wskbddev = dv;
278
279 wskbd_hotkey_register(sc->sc_wskbddev, sc, hpqlb_hotkey_handler);
280
281 return 0;
282 }
283
284 static bool
285 hpqlb_resume(device_t self PMF_FN_ARGS)
286 {
287
288 hpqlb_init(self);
289
290 return true;
291 }
292