kernel - Remove D_KQFILTER flag
[dragonfly.git] / sys / platform / pc32 / 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 *
49e48b8a 26 * $FreeBSD: src/sys/i386/acpica/acpi_machdep.c,v 1.20 2004/05/05 19:51:15 njl Exp $
7d58d14b 27 * $DragonFly: src/sys/platform/pc32/acpica5/acpi_machdep.c,v 1.14 2008/09/29 06:59:45 hasso Exp $
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28 */
29
30#include <sys/param.h>
31#include <sys/bus.h>
32#include <sys/conf.h>
fef8985e 33#include <sys/device.h>
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34#include <sys/fcntl.h>
35#include <sys/kernel.h>
36#include <sys/sysctl.h>
37#include <sys/uio.h>
38
39#include "acpi.h"
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40#include <dev/acpica5/acpivar.h>
41#include <dev/acpica5/acpiio.h>
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42
43static device_t acpi_dev;
44
45/*
46 * APM driver emulation
47 */
48
f6d3b0c1 49#include <sys/event.h>
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50
51#include <machine/apm_bios.h>
52#include <machine/pc/bios.h>
a9295349 53#include <machine_base/apm/apm.h>
5ed44076 54
f9d8cd12 55uint32_t acpi_reset_video = 1;
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56TUNABLE_INT("hw.acpi.reset_video", &acpi_reset_video);
57
3c12d9ec
AP
58#ifdef APIC_IO
59static int intr_model = ACPI_INTR_APIC;
60#else
f9d8cd12 61static int intr_model = ACPI_INTR_PIC;
3c12d9ec 62#endif
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63static struct apm_softc apm_softc;
64
65static d_open_t apmopen;
66static d_close_t apmclose;
67static d_write_t apmwrite;
68static d_ioctl_t apmioctl;
f6d3b0c1 69static d_kqfilter_t apmkqfilter;
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70
71#define CDEV_MAJOR 39
fef8985e 72static struct dev_ops apm_ops = {
d4b8aec4 73 { "apm", CDEV_MAJOR, 0 },
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74 .d_open = apmopen,
75 .d_close = apmclose,
76 .d_write = apmwrite,
77 .d_ioctl = apmioctl,
f6d3b0c1 78 .d_kqfilter = apmkqfilter
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79};
80
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81static int
82acpi_capm_convert_battstate(struct acpi_battinfo *battp)
83{
84 int state;
85
86 state = 0xff; /* XXX unknown */
87
88 if (battp->state & ACPI_BATT_STAT_DISCHARG) {
89 if (battp->cap >= 50)
90 state = 0; /* high */
91 else
92 state = 1; /* low */
93 }
94 if (battp->state & ACPI_BATT_STAT_CRITICAL)
95 state = 2; /* critical */
96 if (battp->state & ACPI_BATT_STAT_CHARGING)
97 state = 3; /* charging */
98
99 /* If still unknown, determine it based on the battery capacity. */
100 if (state == 0xff) {
f9d8cd12 101 if (battp->cap >= 50)
5ed44076 102 state = 0; /* high */
f9d8cd12 103 else
5ed44076 104 state = 1; /* low */
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105 }
106
107 return (state);
108}
109
110static int
111acpi_capm_convert_battflags(struct acpi_battinfo *battp)
112{
113 int flags;
114
115 flags = 0;
116
f9d8cd12 117 if (battp->cap >= 50)
5ed44076 118 flags |= APM_BATT_HIGH;
f9d8cd12 119 else {
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120 if (battp->state & ACPI_BATT_STAT_CRITICAL)
121 flags |= APM_BATT_CRITICAL;
122 else
123 flags |= APM_BATT_LOW;
124 }
125 if (battp->state & ACPI_BATT_STAT_CHARGING)
126 flags |= APM_BATT_CHARGING;
127 if (battp->state == ACPI_BATT_STAT_NOT_PRESENT)
128 flags = APM_BATT_NOT_PRESENT;
129
130 return (flags);
131}
132
133static int
134acpi_capm_get_info(apm_info_t aip)
135{
136 int acline;
137 struct acpi_battinfo batt;
138
139 aip->ai_infoversion = 1;
140 aip->ai_major = 1;
141 aip->ai_minor = 2;
142 aip->ai_status = apm_softc.active;
143 aip->ai_capabilities= 0xff00; /* XXX unknown */
144
145 if (acpi_acad_get_acline(&acline))
146 aip->ai_acline = 0xff; /* unknown */
147 else
148 aip->ai_acline = acline; /* on/off */
149
7d58d14b 150 if (acpi_battery_get_battinfo(NULL, &batt)) {
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151 aip->ai_batt_stat = 0xff; /* unknown */
152 aip->ai_batt_life = 0xff; /* unknown */
153 aip->ai_batt_time = -1; /* unknown */
154 aip->ai_batteries = 0;
155 } else {
156 aip->ai_batt_stat = acpi_capm_convert_battstate(&batt);
157 aip->ai_batt_life = batt.cap;
158 aip->ai_batt_time = (batt.min == -1) ? -1 : batt.min * 60;
159 aip->ai_batteries = acpi_battery_get_units();
160 }
161
162 return (0);
163}
164
165static int
166acpi_capm_get_pwstatus(apm_pwstatus_t app)
167{
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168 device_t dev;
169 int acline, unit, error;
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170 struct acpi_battinfo batt;
171
172 if (app->ap_device != PMDV_ALLDEV &&
f9d8cd12 173 (app->ap_device < PMDV_BATT0 || app->ap_device > PMDV_BATT_ALL))
5ed44076 174 return (1);
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175
176 if (app->ap_device == PMDV_ALLDEV)
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177 error = acpi_battery_get_battinfo(NULL, &batt);
178 else {
179 unit = app->ap_device - PMDV_BATT0;
180 dev = devclass_get_device(devclass_find("battery"), unit);
181 if (dev != NULL)
182 error = acpi_battery_get_battinfo(dev, &batt);
183 else
184 error = ENXIO;
185 }
186 if (error)
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187 return (1);
188
189 app->ap_batt_stat = acpi_capm_convert_battstate(&batt);
190 app->ap_batt_flag = acpi_capm_convert_battflags(&batt);
191 app->ap_batt_life = batt.cap;
192 app->ap_batt_time = (batt.min == -1) ? -1 : batt.min * 60;
193
194 if (acpi_acad_get_acline(&acline))
195 app->ap_acline = 0xff; /* unknown */
196 else
197 app->ap_acline = acline; /* on/off */
198
199 return (0);
200}
201
202static int
fef8985e 203apmopen(struct dev_open_args *ap)
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204{
205 return (0);
206}
207
208static int
fef8985e 209apmclose(struct dev_close_args *ap)
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210{
211 return (0);
212}
213
214static int
fef8985e 215apmioctl(struct dev_ioctl_args *ap)
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216{
217 int error = 0;
218 struct acpi_softc *acpi_sc;
219 struct apm_info info;
220 apm_info_old_t aiop;
221
f9d8cd12 222 acpi_sc = device_get_softc(acpi_dev);
5ed44076 223
fef8985e 224 switch (ap->a_cmd) {
5ed44076 225 case APMIO_SUSPEND:
fef8985e 226 if ((ap->a_fflag & FWRITE) == 0)
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227 return (EPERM);
228 if (apm_softc.active)
229 acpi_SetSleepState(acpi_sc, acpi_sc->acpi_suspend_sx);
230 else
231 error = EINVAL;
232 break;
233 case APMIO_STANDBY:
fef8985e 234 if ((ap->a_fflag & FWRITE) == 0)
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235 return (EPERM);
236 if (apm_softc.active)
237 acpi_SetSleepState(acpi_sc, acpi_sc->acpi_standby_sx);
238 else
239 error = EINVAL;
240 break;
241 case APMIO_GETINFO_OLD:
242 if (acpi_capm_get_info(&info))
243 error = ENXIO;
fef8985e 244 aiop = (apm_info_old_t)ap->a_data;
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245 aiop->ai_major = info.ai_major;
246 aiop->ai_minor = info.ai_minor;
247 aiop->ai_acline = info.ai_acline;
248 aiop->ai_batt_stat = info.ai_batt_stat;
249 aiop->ai_batt_life = info.ai_batt_life;
250 aiop->ai_status = info.ai_status;
251 break;
252 case APMIO_GETINFO:
fef8985e 253 if (acpi_capm_get_info((apm_info_t)ap->a_data))
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254 error = ENXIO;
255 break;
256 case APMIO_GETPWSTATUS:
fef8985e 257 if (acpi_capm_get_pwstatus((apm_pwstatus_t)ap->a_data))
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258 error = ENXIO;
259 break;
260 case APMIO_ENABLE:
fef8985e 261 if ((ap->a_fflag & FWRITE) == 0)
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262 return (EPERM);
263 apm_softc.active = 1;
264 break;
265 case APMIO_DISABLE:
fef8985e 266 if ((ap->a_fflag & FWRITE) == 0)
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267 return (EPERM);
268 apm_softc.active = 0;
269 break;
270 case APMIO_HALTCPU:
271 break;
272 case APMIO_NOTHALTCPU:
273 break;
274 case APMIO_DISPLAY:
fef8985e 275 if ((ap->a_fflag & FWRITE) == 0)
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276 return (EPERM);
277 break;
278 case APMIO_BIOS:
fef8985e 279 if ((ap->a_fflag & FWRITE) == 0)
5ed44076 280 return (EPERM);
fef8985e 281 bzero(ap->a_data, sizeof(struct apm_bios_arg));
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282 break;
283 default:
284 error = EINVAL;
285 break;
286 }
287
288 return (error);
289}
290
291static int
fef8985e 292apmwrite(struct dev_write_args *ap)
5ed44076 293{
fef8985e 294 return (ap->a_uio->uio_resid);
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295}
296
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297static void apmfilter_detach(struct knote *);
298static int apmfilter(struct knote *, long);
299
300static struct filterops apmfilterops =
4c91dbc9 301 { FILTEROP_ISFD, NULL, apmfilter_detach, apmfilter };
f6d3b0c1
SG
302
303static int
304apmkqfilter(struct dev_kqfilter_args *ap)
305{
306 struct knote *kn = ap->a_kn;
307
308 kn->kn_fop = &apmfilterops;
309 ap->a_result = 0;
310 return (0);
311}
312
313static void
314apmfilter_detach(struct knote *kn) {}
315
316static int
317apmfilter(struct knote *kn, long hint)
318{
319 return (0);
320}
321
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322static void
323acpi_capm_init(struct acpi_softc *sc)
324{
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325 make_dev(&apm_ops, 0, 0, 5, 0664, "apm");
326 make_dev(&apm_ops, 8, 0, 5, 0664, "apm");
26be20a0 327 kprintf("Warning: ACPI is disabling APM's device. You can't run both\n");
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328}
329
330int
331acpi_machdep_init(device_t dev)
332{
333 struct acpi_softc *sc;
334
335 acpi_dev = dev;
f9d8cd12 336 sc = device_get_softc(acpi_dev);
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337
338 /*
339 * XXX: Prevent the PnP BIOS code from interfering with
340 * our own scan of ISA devices.
341 */
342 PnPBIOStable = NULL;
343
344 acpi_capm_init(sc);
345
346 acpi_install_wakeup_handler(sc);
347
f9d8cd12 348 if (intr_model == ACPI_INTR_PIC)
05065648 349 BUS_CONFIG_INTR(dev, dev, AcpiGbl_FADT.SciInterrupt,
e1eeedd0 350 INTR_TRIGGER_LEVEL, INTR_POLARITY_LOW);
f9d8cd12 351 else
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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}
361
362void
363acpi_SetDefaultIntrModel(int model)
364{
365
366 intr_model = model;
367}