hpqlb_acpi.c revision 1.2.4.3 1 /* $NetBSD: hpqlb_acpi.c,v 1.2.4.3 2010/03/11 15:03:23 yamt 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 1.2.4.3 2010/03/11 15:03:23 yamt Exp $");
31
32 #include <sys/param.h>
33 #include <sys/device.h>
34 #include <sys/systm.h>
35
36 #include <machine/pio.h>
37
38 #include <dev/acpi/acpireg.h>
39 #include <dev/acpi/acpivar.h>
40
41 #include <dev/isa/isareg.h>
42
43 #include <dev/wscons/wsconsio.h>
44 #include <dev/wscons/wskbdvar.h>
45
46 #define _COMPONENT ACPI_RESOURCE_COMPONENT
47 ACPI_MODULE_NAME ("hpqlb_acpi")
48
49 #ifdef HPQLB_DEBUG
50 #define DPRINTF(x) do { printf x; } while (/* CONSTCOND */0)
51 #else
52 #define DPRINTF(x)
53 #endif
54
55 struct hpqlb_softc {
56 device_t sc_dev;
57 struct acpi_devnode *sc_node;
58
59 device_t sc_wskbddev;
60
61 #define HP_PSW_DISPLAY_CYCLE 0
62 #define HP_PSW_BRIGHTNESS_UP 1
63 #define HP_PSW_BRIGHTNESS_DOWN 2
64 #define HP_PSW_SLEEP 3
65 #define HP_PSW_LAST 4
66 struct sysmon_pswitch sc_smpsw[HP_PSW_LAST];
67 bool sc_smpsw_displaycycle_valid;
68 bool sc_smpsw_sleep_valid;
69 };
70
71 #define HP_QLB_Quick 0x88
72 #define HP_QLB_DVD 0x8e
73 #define HP_QLB_FullBackward 0x90
74 #define HP_QLB_Play 0xa2
75 #define HP_QLB_FullForward 0x99
76 #define HP_QLB_Stop 0xa4
77 #define HP_QLB_VolumeMute 0xa0
78 #define HP_QLB_VolumeDown 0xae
79 #define HP_QLB_VolumeUp 0xb0
80
81 #define HP_QLB_Help 0xb1
82 #define HP_QLB_WWW 0xb2
83 #define HP_QLB_DisplayCycle /* ??? */
84 #define HP_QLB_Sleep 0xdf
85 #define HP_QLB_Lock 0x8a
86 #define HP_QLB_BrightnessDown /* ??? */
87 #define HP_QLB_BrightnessUp /* ??? */
88 #define HP_QLB_ChasisOpen 0xe3
89
90 static int hpqlb_match(device_t, cfdata_t, void *);
91 static void hpqlb_attach(device_t, device_t, void *);
92
93 static int hpqlb_finalize(device_t);
94 static int hpqlb_hotkey_handler(struct wskbd_softc *, void *, u_int, int);
95
96 static void hpqlb_init(device_t);
97 static bool hpqlb_resume(device_t, const pmf_qual_t *);
98
99 CFATTACH_DECL_NEW(hpqlb, sizeof(struct hpqlb_softc),
100 hpqlb_match, hpqlb_attach, NULL, NULL);
101
102 static const char * const hpqlb_ids[] = {
103 "HPQ0006",
104 "HPQ0007",
105 NULL
106 };
107
108 static int
109 hpqlb_match(device_t parent, cfdata_t match, void *opaque)
110 {
111 struct acpi_attach_args *aa = opaque;
112
113 if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE)
114 return 0;
115
116 return acpi_match_hid(aa->aa_node->ad_devinfo, hpqlb_ids);
117 }
118
119 static void
120 hpqlb_attach(device_t parent, device_t self, void *opaque)
121 {
122 struct hpqlb_softc *sc = device_private(self);
123 struct acpi_attach_args *aa = opaque;
124
125 sc->sc_node = aa->aa_node;
126 sc->sc_dev = self;
127
128 aprint_naive("\n");
129 aprint_normal(": HP Quick Launch Buttons\n");
130
131 hpqlb_init(self);
132
133 if (config_finalize_register(self, hpqlb_finalize) != 0)
134 aprint_error_dev(self,
135 "WARNING: unable to register hpqlb finalizer\n");
136
137 sc->sc_smpsw_displaycycle_valid = true;
138 sc->sc_smpsw[HP_PSW_DISPLAY_CYCLE].smpsw_name =
139 PSWITCH_HK_DISPLAY_CYCLE;
140 sc->sc_smpsw[HP_PSW_DISPLAY_CYCLE].smpsw_type =
141 PSWITCH_TYPE_HOTKEY;
142 if (sysmon_pswitch_register(&sc->sc_smpsw[HP_PSW_DISPLAY_CYCLE])) {
143 aprint_error_dev(self, "couldn't register with sysmon\n");
144 sc->sc_smpsw_displaycycle_valid = false;
145 }
146
147 sc->sc_smpsw_sleep_valid = true;
148 sc->sc_smpsw[HP_PSW_SLEEP].smpsw_name = device_xname(self);
149 sc->sc_smpsw[HP_PSW_SLEEP].smpsw_type = PSWITCH_TYPE_SLEEP;
150 if (sysmon_pswitch_register(&sc->sc_smpsw[HP_PSW_SLEEP])) {
151 aprint_error_dev(self, "couldn't register sleep with sysmon\n");
152 sc->sc_smpsw_sleep_valid = false;
153 }
154
155 if (!pmf_device_register(self, NULL, hpqlb_resume))
156 aprint_error_dev(self, "couldn't establish power handler\n");
157 }
158
159 static int
160 hpqlb_hotkey_handler(struct wskbd_softc *wskbd_sc, void *cookie,
161 u_int type, int value)
162 {
163 struct hpqlb_softc *sc = cookie;
164 int ret = 1;
165
166 switch (value) {
167 case HP_QLB_VolumeMute:
168 if (type != WSCONS_EVENT_KEY_DOWN)
169 break;
170 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_TOGGLE);
171 break;
172 case HP_QLB_VolumeDown:
173 if (type != WSCONS_EVENT_KEY_DOWN)
174 break;
175 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_DOWN);
176 break;
177 case HP_QLB_VolumeUp:
178 if (type != WSCONS_EVENT_KEY_DOWN)
179 break;
180 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_UP);
181 break;
182
183 #if 0
184 case HP_QLB_DisplayCycle: /* ??? */
185 if (type != WSCONS_EVENT_KEY_DOWN)
186 break;
187 if (sc->sc_smpsw_displaycycle_valid == false)
188 break;
189 sysmon_pswitch_event(&sc->sc_smpsw[HP_PSW_DISPLAY_CYCLE],
190 PSWITCH_EVENT_PRESSED);
191 break;
192 #endif
193 case HP_QLB_Sleep:
194 if (type != WSCONS_EVENT_KEY_DOWN)
195 break;
196 if (sc->sc_smpsw_sleep_valid == false) {
197 DPRINTF(("%s: Sleep hotkey\n",
198 device_xname(sc->sc_dev)));
199 break;
200 }
201 sysmon_pswitch_event(&sc->sc_smpsw[HP_PSW_SLEEP],
202 PSWITCH_EVENT_PRESSED);
203 break;
204 #if 0
205 case HP_QLB_BrightnessDown: /* ??? */
206 if (type != WSCONS_EVENT_KEY_DOWN)
207 break;
208 pmf_event_inject(NULL, PMFE_DISPLAY_BRIGHTNESS_DOWN);
209 break;
210 case HP_QLB_BrightnessUp: /* ??? */
211 if (type != WSCONS_EVENT_KEY_DOWN)
212 break;
213 pmf_event_inject(NULL, PMFE_DISPLAY_BRIGHTNESS_UP);
214 break;
215 #endif
216 case HP_QLB_ChasisOpen:
217 if (type != WSCONS_EVENT_KEY_DOWN)
218 break;
219 pmf_event_inject(NULL, PMFE_CHASSIS_LID_OPEN);
220 break;
221 default:
222 DPRINTF(("%s: unknown hotkey 0x%02x\n",
223 device_xname(sc->sc_dev), value));
224 ret = 0; /* Assume, this is no hotkey */
225 break;
226 }
227
228 return ret;
229 }
230
231 static void
232 hpqlb_init(device_t self)
233 {
234
235 /* HPQ0006: HP Quick Launch Buttons */
236 /* HPQ0007: HP Remote Device */
237 /* val 0, 1 or 7 == HPQ0006 */
238 /* val not 0, 1 or 7 == HPQ0007 */
239
240 /* Turn on Quick Launch Buttons */
241 outb(IO_RTC+2, 0xaf);
242 outb(IO_RTC+3, 7 /* val */);
243 }
244
245 static int
246 hpqlb_finalize(device_t self)
247 {
248 device_t dv;
249 deviter_t di;
250 struct hpqlb_softc *sc = device_private(self);
251 static int done_once = 0;
252
253 /* Since we only handle real hardware, we only need to be
254 * called once.
255 */
256 if (done_once)
257 return 0;
258 done_once = 1;
259
260 for (dv = deviter_first(&di, DEVITER_F_ROOT_FIRST); dv != NULL;
261 dv = deviter_next(&di)) {
262 if (!device_is_a(dv, "wskbd"))
263 continue;
264
265 /* Make sure, we don't get a wskbd from a USB keyboard.
266 * QLB only works on the wskbd attached on pckbd. */
267 if (!device_is_a(device_parent(dv), "pckbd"))
268 continue;
269
270 aprint_normal_dev(self, "registering on %s\n",
271 device_xname(dv));
272 break;
273 }
274 deviter_release(&di);
275
276 if (dv == NULL) {
277 aprint_error_dev(self, "WARNING: no matching wskbd found\n");
278 return 1;
279 }
280
281 sc->sc_wskbddev = dv;
282
283 wskbd_hotkey_register(sc->sc_wskbddev, sc, hpqlb_hotkey_handler);
284
285 return 0;
286 }
287
288 static bool
289 hpqlb_resume(device_t self, const pmf_qual_t *qual)
290 {
291
292 hpqlb_init(self);
293
294 return true;
295 }
296