acpi/fadt: Make sure that SCI IRQ is valid
[dragonfly.git] / sys / platform / pc64 / acpica5 / acpi_machdep.c
CommitLineData
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1/*-
2 * Copyright (c) 2001 Mitsuru IWASAKI
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: src/sys/i386/acpica/acpi_machdep.c,v 1.20 2004/05/05 19:51:15 njl Exp $
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27 */
28
29#include <sys/param.h>
30#include <sys/bus.h>
31#include <sys/conf.h>
32#include <sys/device.h>
33#include <sys/fcntl.h>
34#include <sys/kernel.h>
35#include <sys/sysctl.h>
36#include <sys/uio.h>
37
38#include "acpi.h"
39#include <dev/acpica5/acpivar.h>
40#include <dev/acpica5/acpiio.h>
41
42static device_t acpi_dev;
43
44/*
45 * APM driver emulation
46 */
47
f6d3b0c1 48#include <sys/event.h>
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49
50#include <machine/apm_bios.h>
51#include <machine/pc/bios.h>
52#include <machine_base/apm/apm.h>
ed4d621d 53#include <machine_base/apic/ioapic.h>
ec18ac60 54#include <machine/smp.h>
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55
56uint32_t acpi_reset_video = 1;
57TUNABLE_INT("hw.acpi.reset_video", &acpi_reset_video);
58
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59static struct apm_softc apm_softc;
60
61static d_open_t apmopen;
62static d_close_t apmclose;
63static d_write_t apmwrite;
64static d_ioctl_t apmioctl;
f6d3b0c1 65static d_kqfilter_t apmkqfilter;
e774ca6d 66
e774ca6d 67static struct dev_ops apm_ops = {
88abd8b5 68 { "apm", 0, 0 },
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69 .d_open = apmopen,
70 .d_close = apmclose,
71 .d_write = apmwrite,
72 .d_ioctl = apmioctl,
f6d3b0c1 73 .d_kqfilter = apmkqfilter
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74};
75
76static int
77acpi_capm_convert_battstate(struct acpi_battinfo *battp)
78{
79 int state;
80
81 state = 0xff; /* XXX unknown */
82
83 if (battp->state & ACPI_BATT_STAT_DISCHARG) {
84 if (battp->cap >= 50)
85 state = 0; /* high */
86 else
87 state = 1; /* low */
88 }
89 if (battp->state & ACPI_BATT_STAT_CRITICAL)
90 state = 2; /* critical */
91 if (battp->state & ACPI_BATT_STAT_CHARGING)
92 state = 3; /* charging */
93
94 /* If still unknown, determine it based on the battery capacity. */
95 if (state == 0xff) {
96 if (battp->cap >= 50)
97 state = 0; /* high */
98 else
99 state = 1; /* low */
100 }
101
102 return (state);
103}
104
105static int
106acpi_capm_convert_battflags(struct acpi_battinfo *battp)
107{
108 int flags;
109
110 flags = 0;
111
112 if (battp->cap >= 50)
113 flags |= APM_BATT_HIGH;
114 else {
115 if (battp->state & ACPI_BATT_STAT_CRITICAL)
116 flags |= APM_BATT_CRITICAL;
117 else
118 flags |= APM_BATT_LOW;
119 }
120 if (battp->state & ACPI_BATT_STAT_CHARGING)
121 flags |= APM_BATT_CHARGING;
122 if (battp->state == ACPI_BATT_STAT_NOT_PRESENT)
123 flags = APM_BATT_NOT_PRESENT;
124
125 return (flags);
126}
127
128static int
129acpi_capm_get_info(apm_info_t aip)
130{
131 int acline;
132 struct acpi_battinfo batt;
133
134 aip->ai_infoversion = 1;
135 aip->ai_major = 1;
136 aip->ai_minor = 2;
137 aip->ai_status = apm_softc.active;
138 aip->ai_capabilities= 0xff00; /* XXX unknown */
139
140 if (acpi_acad_get_acline(&acline))
141 aip->ai_acline = 0xff; /* unknown */
142 else
143 aip->ai_acline = acline; /* on/off */
144
145 if (acpi_battery_get_battinfo(NULL, &batt)) {
146 aip->ai_batt_stat = 0xff; /* unknown */
147 aip->ai_batt_life = 0xff; /* unknown */
148 aip->ai_batt_time = -1; /* unknown */
149 aip->ai_batteries = 0;
150 } else {
151 aip->ai_batt_stat = acpi_capm_convert_battstate(&batt);
152 aip->ai_batt_life = batt.cap;
153 aip->ai_batt_time = (batt.min == -1) ? -1 : batt.min * 60;
154 aip->ai_batteries = acpi_battery_get_units();
155 }
156
157 return (0);
158}
159
160static int
161acpi_capm_get_pwstatus(apm_pwstatus_t app)
162{
163 device_t dev;
164 int acline, unit, error;
165 struct acpi_battinfo batt;
166
167 if (app->ap_device != PMDV_ALLDEV &&
168 (app->ap_device < PMDV_BATT0 || app->ap_device > PMDV_BATT_ALL))
169 return (1);
170
171 if (app->ap_device == PMDV_ALLDEV)
172 error = acpi_battery_get_battinfo(NULL, &batt);
173 else {
174 unit = app->ap_device - PMDV_BATT0;
175 dev = devclass_get_device(devclass_find("battery"), unit);
176 if (dev != NULL)
177 error = acpi_battery_get_battinfo(dev, &batt);
178 else
179 error = ENXIO;
180 }
181 if (error)
182 return (1);
183
184 app->ap_batt_stat = acpi_capm_convert_battstate(&batt);
185 app->ap_batt_flag = acpi_capm_convert_battflags(&batt);
186 app->ap_batt_life = batt.cap;
187 app->ap_batt_time = (batt.min == -1) ? -1 : batt.min * 60;
188
189 if (acpi_acad_get_acline(&acline))
190 app->ap_acline = 0xff; /* unknown */
191 else
192 app->ap_acline = acline; /* on/off */
193
194 return (0);
195}
196
197static int
198apmopen(struct dev_open_args *ap)
199{
200 return (0);
201}
202
203static int
204apmclose(struct dev_close_args *ap)
205{
206 return (0);
207}
208
209static int
210apmioctl(struct dev_ioctl_args *ap)
211{
212 int error = 0;
213 struct acpi_softc *acpi_sc;
214 struct apm_info info;
215 apm_info_old_t aiop;
216
217 acpi_sc = device_get_softc(acpi_dev);
218
219 switch (ap->a_cmd) {
220 case APMIO_SUSPEND:
221 if ((ap->a_fflag & FWRITE) == 0)
222 return (EPERM);
223 if (apm_softc.active)
224 acpi_SetSleepState(acpi_sc, acpi_sc->acpi_suspend_sx);
225 else
226 error = EINVAL;
227 break;
228 case APMIO_STANDBY:
229 if ((ap->a_fflag & FWRITE) == 0)
230 return (EPERM);
231 if (apm_softc.active)
232 acpi_SetSleepState(acpi_sc, acpi_sc->acpi_standby_sx);
233 else
234 error = EINVAL;
235 break;
236 case APMIO_GETINFO_OLD:
237 if (acpi_capm_get_info(&info))
238 error = ENXIO;
239 aiop = (apm_info_old_t)ap->a_data;
240 aiop->ai_major = info.ai_major;
241 aiop->ai_minor = info.ai_minor;
242 aiop->ai_acline = info.ai_acline;
243 aiop->ai_batt_stat = info.ai_batt_stat;
244 aiop->ai_batt_life = info.ai_batt_life;
245 aiop->ai_status = info.ai_status;
246 break;
247 case APMIO_GETINFO:
248 if (acpi_capm_get_info((apm_info_t)ap->a_data))
249 error = ENXIO;
250 break;
251 case APMIO_GETPWSTATUS:
252 if (acpi_capm_get_pwstatus((apm_pwstatus_t)ap->a_data))
253 error = ENXIO;
254 break;
255 case APMIO_ENABLE:
256 if ((ap->a_fflag & FWRITE) == 0)
257 return (EPERM);
258 apm_softc.active = 1;
259 break;
260 case APMIO_DISABLE:
261 if ((ap->a_fflag & FWRITE) == 0)
262 return (EPERM);
263 apm_softc.active = 0;
264 break;
265 case APMIO_HALTCPU:
266 break;
267 case APMIO_NOTHALTCPU:
268 break;
269 case APMIO_DISPLAY:
270 if ((ap->a_fflag & FWRITE) == 0)
271 return (EPERM);
272 break;
273 case APMIO_BIOS:
274 if ((ap->a_fflag & FWRITE) == 0)
275 return (EPERM);
276 bzero(ap->a_data, sizeof(struct apm_bios_arg));
277 break;
278 default:
279 error = EINVAL;
280 break;
281 }
282
283 return (error);
284}
285
286static int
287apmwrite(struct dev_write_args *ap)
288{
289 return (ap->a_uio->uio_resid);
290}
291
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292static void apmfilter_detach(struct knote *);
293static int apmfilter(struct knote *, long);
294
295static struct filterops apmfilterops =
4c91dbc9 296 { FILTEROP_ISFD, NULL, apmfilter_detach, apmfilter };
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297
298static int
299apmkqfilter(struct dev_kqfilter_args *ap)
300{
301 struct knote *kn = ap->a_kn;
302
303 kn->kn_fop = &apmfilterops;
304 ap->a_result = 0;
305 return (0);
306}
307
308static void
309apmfilter_detach(struct knote *kn) {}
310
311static int
312apmfilter(struct knote *kn, long hint)
313{
314 return (0);
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315}
316
317static void
318acpi_capm_init(struct acpi_softc *sc)
319{
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320 make_dev(&apm_ops, 0, 0, 5, 0664, "apm");
321 make_dev(&apm_ops, 8, 0, 5, 0664, "apm");
322 kprintf("Warning: ACPI is disabling APM's device. You can't run both\n");
323}
324
325int
326acpi_machdep_init(device_t dev)
327{
328 struct acpi_softc *sc;
9a4bd8f3 329 int intr_model;
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330
331 acpi_dev = dev;
332 sc = device_get_softc(acpi_dev);
333
334 /*
335 * XXX: Prevent the PnP BIOS code from interfering with
336 * our own scan of ISA devices.
337 */
338#if 0
339 PnPBIOStable = NULL;
340#endif
341
342 acpi_capm_init(sc);
343
344 acpi_install_wakeup_handler(sc);
345
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346 if (ioapic_enable)
347 intr_model = ACPI_INTR_APIC;
348 else
349 intr_model = ACPI_INTR_PIC;
350
351 if (intr_model != ACPI_INTR_PIC)
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352 acpi_SetIntrModel(intr_model);
353
354 SYSCTL_ADD_UINT(&sc->acpi_sysctl_ctx,
355 SYSCTL_CHILDREN(sc->acpi_sysctl_tree), OID_AUTO,
356 "reset_video", CTLFLAG_RD | CTLFLAG_RW, &acpi_reset_video, 0,
357 "Call the VESA reset BIOS vector on the resume path");
358
359 return (0);
360}