DEVFS - remove dev_ops_add(), dev_ops_get(), and get_dev()
[dragonfly.git] / sys / platform / pc32 / acpica5 / acpi_machdep.c
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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
9183fa5b 49#include <sys/selinfo.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
f9d8cd12 58static int intr_model = ACPI_INTR_PIC;
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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;
65static d_poll_t apmpoll;
66
67#define CDEV_MAJOR 39
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68static struct dev_ops apm_ops = {
69 { "apm", CDEV_MAJOR, 0 },
70 .d_open = apmopen,
71 .d_close = apmclose,
72 .d_write = apmwrite,
73 .d_ioctl = apmioctl,
74 .d_poll = apmpoll
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75};
76
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77static int
78acpi_capm_convert_battstate(struct acpi_battinfo *battp)
79{
80 int state;
81
82 state = 0xff; /* XXX unknown */
83
84 if (battp->state & ACPI_BATT_STAT_DISCHARG) {
85 if (battp->cap >= 50)
86 state = 0; /* high */
87 else
88 state = 1; /* low */
89 }
90 if (battp->state & ACPI_BATT_STAT_CRITICAL)
91 state = 2; /* critical */
92 if (battp->state & ACPI_BATT_STAT_CHARGING)
93 state = 3; /* charging */
94
95 /* If still unknown, determine it based on the battery capacity. */
96 if (state == 0xff) {
f9d8cd12 97 if (battp->cap >= 50)
5ed44076 98 state = 0; /* high */
f9d8cd12 99 else
5ed44076 100 state = 1; /* low */
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101 }
102
103 return (state);
104}
105
106static int
107acpi_capm_convert_battflags(struct acpi_battinfo *battp)
108{
109 int flags;
110
111 flags = 0;
112
f9d8cd12 113 if (battp->cap >= 50)
5ed44076 114 flags |= APM_BATT_HIGH;
f9d8cd12 115 else {
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116 if (battp->state & ACPI_BATT_STAT_CRITICAL)
117 flags |= APM_BATT_CRITICAL;
118 else
119 flags |= APM_BATT_LOW;
120 }
121 if (battp->state & ACPI_BATT_STAT_CHARGING)
122 flags |= APM_BATT_CHARGING;
123 if (battp->state == ACPI_BATT_STAT_NOT_PRESENT)
124 flags = APM_BATT_NOT_PRESENT;
125
126 return (flags);
127}
128
129static int
130acpi_capm_get_info(apm_info_t aip)
131{
132 int acline;
133 struct acpi_battinfo batt;
134
135 aip->ai_infoversion = 1;
136 aip->ai_major = 1;
137 aip->ai_minor = 2;
138 aip->ai_status = apm_softc.active;
139 aip->ai_capabilities= 0xff00; /* XXX unknown */
140
141 if (acpi_acad_get_acline(&acline))
142 aip->ai_acline = 0xff; /* unknown */
143 else
144 aip->ai_acline = acline; /* on/off */
145
7d58d14b 146 if (acpi_battery_get_battinfo(NULL, &batt)) {
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147 aip->ai_batt_stat = 0xff; /* unknown */
148 aip->ai_batt_life = 0xff; /* unknown */
149 aip->ai_batt_time = -1; /* unknown */
150 aip->ai_batteries = 0;
151 } else {
152 aip->ai_batt_stat = acpi_capm_convert_battstate(&batt);
153 aip->ai_batt_life = batt.cap;
154 aip->ai_batt_time = (batt.min == -1) ? -1 : batt.min * 60;
155 aip->ai_batteries = acpi_battery_get_units();
156 }
157
158 return (0);
159}
160
161static int
162acpi_capm_get_pwstatus(apm_pwstatus_t app)
163{
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164 device_t dev;
165 int acline, unit, error;
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166 struct acpi_battinfo batt;
167
168 if (app->ap_device != PMDV_ALLDEV &&
f9d8cd12 169 (app->ap_device < PMDV_BATT0 || app->ap_device > PMDV_BATT_ALL))
5ed44076 170 return (1);
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171
172 if (app->ap_device == PMDV_ALLDEV)
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173 error = acpi_battery_get_battinfo(NULL, &batt);
174 else {
175 unit = app->ap_device - PMDV_BATT0;
176 dev = devclass_get_device(devclass_find("battery"), unit);
177 if (dev != NULL)
178 error = acpi_battery_get_battinfo(dev, &batt);
179 else
180 error = ENXIO;
181 }
182 if (error)
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183 return (1);
184
185 app->ap_batt_stat = acpi_capm_convert_battstate(&batt);
186 app->ap_batt_flag = acpi_capm_convert_battflags(&batt);
187 app->ap_batt_life = batt.cap;
188 app->ap_batt_time = (batt.min == -1) ? -1 : batt.min * 60;
189
190 if (acpi_acad_get_acline(&acline))
191 app->ap_acline = 0xff; /* unknown */
192 else
193 app->ap_acline = acline; /* on/off */
194
195 return (0);
196}
197
198static int
fef8985e 199apmopen(struct dev_open_args *ap)
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200{
201 return (0);
202}
203
204static int
fef8985e 205apmclose(struct dev_close_args *ap)
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206{
207 return (0);
208}
209
210static int
fef8985e 211apmioctl(struct dev_ioctl_args *ap)
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212{
213 int error = 0;
214 struct acpi_softc *acpi_sc;
215 struct apm_info info;
216 apm_info_old_t aiop;
217
f9d8cd12 218 acpi_sc = device_get_softc(acpi_dev);
5ed44076 219
fef8985e 220 switch (ap->a_cmd) {
5ed44076 221 case APMIO_SUSPEND:
fef8985e 222 if ((ap->a_fflag & FWRITE) == 0)
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223 return (EPERM);
224 if (apm_softc.active)
225 acpi_SetSleepState(acpi_sc, acpi_sc->acpi_suspend_sx);
226 else
227 error = EINVAL;
228 break;
229 case APMIO_STANDBY:
fef8985e 230 if ((ap->a_fflag & FWRITE) == 0)
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231 return (EPERM);
232 if (apm_softc.active)
233 acpi_SetSleepState(acpi_sc, acpi_sc->acpi_standby_sx);
234 else
235 error = EINVAL;
236 break;
237 case APMIO_GETINFO_OLD:
238 if (acpi_capm_get_info(&info))
239 error = ENXIO;
fef8985e 240 aiop = (apm_info_old_t)ap->a_data;
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241 aiop->ai_major = info.ai_major;
242 aiop->ai_minor = info.ai_minor;
243 aiop->ai_acline = info.ai_acline;
244 aiop->ai_batt_stat = info.ai_batt_stat;
245 aiop->ai_batt_life = info.ai_batt_life;
246 aiop->ai_status = info.ai_status;
247 break;
248 case APMIO_GETINFO:
fef8985e 249 if (acpi_capm_get_info((apm_info_t)ap->a_data))
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250 error = ENXIO;
251 break;
252 case APMIO_GETPWSTATUS:
fef8985e 253 if (acpi_capm_get_pwstatus((apm_pwstatus_t)ap->a_data))
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254 error = ENXIO;
255 break;
256 case APMIO_ENABLE:
fef8985e 257 if ((ap->a_fflag & FWRITE) == 0)
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258 return (EPERM);
259 apm_softc.active = 1;
260 break;
261 case APMIO_DISABLE:
fef8985e 262 if ((ap->a_fflag & FWRITE) == 0)
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263 return (EPERM);
264 apm_softc.active = 0;
265 break;
266 case APMIO_HALTCPU:
267 break;
268 case APMIO_NOTHALTCPU:
269 break;
270 case APMIO_DISPLAY:
fef8985e 271 if ((ap->a_fflag & FWRITE) == 0)
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272 return (EPERM);
273 break;
274 case APMIO_BIOS:
fef8985e 275 if ((ap->a_fflag & FWRITE) == 0)
5ed44076 276 return (EPERM);
fef8985e 277 bzero(ap->a_data, sizeof(struct apm_bios_arg));
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278 break;
279 default:
280 error = EINVAL;
281 break;
282 }
283
284 return (error);
285}
286
287static int
fef8985e 288apmwrite(struct dev_write_args *ap)
5ed44076 289{
fef8985e 290 return (ap->a_uio->uio_resid);
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291}
292
293static int
fef8985e 294apmpoll(struct dev_poll_args *ap)
5ed44076 295{
fef8985e 296 ap->a_events = 0;
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297 return (0);
298}
299
300static void
301acpi_capm_init(struct acpi_softc *sc)
302{
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303 make_dev(&apm_ops, 0, 0, 5, 0664, "apm");
304 make_dev(&apm_ops, 8, 0, 5, 0664, "apm");
26be20a0 305 kprintf("Warning: ACPI is disabling APM's device. You can't run both\n");
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306}
307
308int
309acpi_machdep_init(device_t dev)
310{
311 struct acpi_softc *sc;
312
313 acpi_dev = dev;
f9d8cd12 314 sc = device_get_softc(acpi_dev);
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315
316 /*
317 * XXX: Prevent the PnP BIOS code from interfering with
318 * our own scan of ISA devices.
319 */
320 PnPBIOStable = NULL;
321
322 acpi_capm_init(sc);
323
324 acpi_install_wakeup_handler(sc);
325
f9d8cd12 326 if (intr_model == ACPI_INTR_PIC)
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327 BUS_CONFIG_INTR(dev, AcpiGbl_FADT.SciInterrupt,
328 INTR_TRIGGER_LEVEL, INTR_POLARITY_LOW);
f9d8cd12 329 else
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330 acpi_SetIntrModel(intr_model);
331
332 SYSCTL_ADD_UINT(&sc->acpi_sysctl_ctx,
333 SYSCTL_CHILDREN(sc->acpi_sysctl_tree), OID_AUTO,
334 "reset_video", CTLFLAG_RD | CTLFLAG_RW, &acpi_reset_video, 0,
335 "Call the VESA reset BIOS vector on the resume path");
336
337 return (0);
338}
339
340void
341acpi_SetDefaultIntrModel(int model)
342{
343
344 intr_model = model;
345}