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: head/sys/i386/acpica/acpi_machdep.c 111815 2003-03-03 12:15:54Z phk $
|
| 26 * $FreeBSD: head/sys/i386/acpica/acpi_machdep.c 112551 2003-03-24 19:14:46Z mdodd $ |
27 */
28
29#include <sys/param.h>
30#include <sys/bus.h>
31#include <sys/conf.h>
32#include <sys/fcntl.h>
33#include <sys/uio.h>
34
35#include "acpi.h"
36
37#include <dev/acpica/acpivar.h>
38#include <dev/acpica/acpiio.h>
39
40static device_t acpi_dev;
41
42/*
43 * APM driver emulation
44 */
45
46#if __FreeBSD_version < 500000
47#include <sys/select.h>
48#else
49#include <sys/selinfo.h>
50#endif
51
52#include <machine/apm_bios.h>
53#include <machine/pc/bios.h>
54
|
55#include <i386/apm/apm.h>
|
| 55#include <i386/bios/apm.h> |
56
57static struct apm_softc apm_softc;
58
59static d_open_t apmopen;
60static d_close_t apmclose;
61static d_write_t apmwrite;
62static d_ioctl_t apmioctl;
63static d_poll_t apmpoll;
64
65#define CDEV_MAJOR 39
66static struct cdevsw apm_cdevsw = {
67 .d_open = apmopen,
68 .d_close = apmclose,
69 .d_write = apmwrite,
70 .d_ioctl = apmioctl,
71 .d_poll = apmpoll,
72 .d_name = "apm",
73 .d_maj = CDEV_MAJOR,
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 }
90 if (battp->state & ACPI_BATT_STAT_CRITICAL) {
91 state = 2; /* critical */
92 }
93 if (battp->state & ACPI_BATT_STAT_CHARGING) {
94 state = 3; /* charging */
95 }
96 return (state);
97}
98
99static int
100acpi_capm_convert_battflags(struct acpi_battinfo *battp)
101{
102 int flags;
103
104 flags = 0;
105
106 if (battp->cap >= 50) {
107 flags |= APM_BATT_HIGH;
108 } else {
109 if (battp->state & ACPI_BATT_STAT_CRITICAL) {
110 flags |= APM_BATT_CRITICAL;
111 } else {
112 flags |= APM_BATT_LOW;
113 }
114 }
115 if (battp->state & ACPI_BATT_STAT_CHARGING) {
116 flags |= APM_BATT_CHARGING;
117 }
118 if (battp->state == ACPI_BATT_STAT_NOT_PRESENT) {
119 flags = APM_BATT_NOT_PRESENT;
120 }
121
122 return (flags);
123}
124
125static int
126acpi_capm_get_info(apm_info_t aip)
127{
128 int acline;
129 struct acpi_battinfo batt;
130
131 aip->ai_infoversion = 1;
132 aip->ai_major = 1;
133 aip->ai_minor = 2;
134 aip->ai_status = apm_softc.active;
135 aip->ai_capabilities= 0xff00; /* XXX unknown */
136
137 if (acpi_acad_get_acline(&acline)) {
138 aip->ai_acline = 0xff; /* unknown */
139 } else {
140 aip->ai_acline = acline; /* on/off */
141 }
142
143 if (acpi_battery_get_battinfo(-1, &batt)) {
144 aip->ai_batt_stat = 0xff; /* unknown */
145 aip->ai_batt_life = 0xff; /* unknown */
146 aip->ai_batt_time = -1; /* unknown */
147 aip->ai_batteries = 0;
148 } else {
149 aip->ai_batt_stat = acpi_capm_convert_battstate(&batt);
150 aip->ai_batt_life = batt.cap;
151 aip->ai_batt_time = (batt.min == -1) ? -1 : batt.min * 60;
152 aip->ai_batteries = acpi_battery_get_units();
153 }
154
155 return (0);
156}
157
158static int
159acpi_capm_get_pwstatus(apm_pwstatus_t app)
160{
161 int batt_unit;
162 int acline;
163 struct acpi_battinfo batt;
164
165 if (app->ap_device != PMDV_ALLDEV &&
166 (app->ap_device < PMDV_BATT0 || app->ap_device > PMDV_BATT_ALL)) {
167 return (1);
168 }
169
170 if (app->ap_device == PMDV_ALLDEV) {
171 batt_unit = -1; /* all units */
172 } else {
173 batt_unit = app->ap_device - PMDV_BATT0;
174 }
175
176 if (acpi_battery_get_battinfo(batt_unit, &batt)) {
177 return (1);
178 }
179
180 app->ap_batt_stat = acpi_capm_convert_battstate(&batt);
181 app->ap_batt_flag = acpi_capm_convert_battflags(&batt);
182 app->ap_batt_life = batt.cap;
183 app->ap_batt_time = (batt.min == -1) ? -1 : batt.min * 60;
184
185 if (acpi_acad_get_acline(&acline)) {
186 app->ap_acline = 0xff; /* unknown */
187 } else {
188 app->ap_acline = acline; /* on/off */
189 }
190
191 return (0);
192}
193
194static int
195apmopen(dev_t dev, int flag, int fmt, d_thread_t *td)
196{
197 return (0);
198}
199
200static int
201apmclose(dev_t dev, int flag, int fmt, d_thread_t *td)
202{
203 return (0);
204}
205
206static int
207apmioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, d_thread_t *td)
208{
209 int error = 0;
210 struct acpi_softc *acpi_sc;
211 struct apm_info info;
212 apm_info_old_t aiop;
213
214 if ((acpi_sc = device_get_softc(acpi_dev)) == NULL) {
215 return (ENXIO);
216 }
217
218 switch (cmd) {
219 case APMIO_SUSPEND:
220 if (!(flag & FWRITE))
221 return (EPERM);
222 if (apm_softc.active)
223 acpi_SetSleepState(acpi_sc, acpi_sc->acpi_suspend_sx);
224 else
225 error = EINVAL;
226 break;
227
228 case APMIO_STANDBY:
229 if (!(flag & FWRITE))
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
237 case APMIO_GETINFO_OLD:
238 if (acpi_capm_get_info(&info))
239 error = ENXIO;
240 aiop = (apm_info_old_t)addr;
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
249 case APMIO_GETINFO:
250 if (acpi_capm_get_info((apm_info_t)addr))
251 error = ENXIO;
252
253 break;
254
255 case APMIO_GETPWSTATUS:
256 if (acpi_capm_get_pwstatus((apm_pwstatus_t)addr))
257 error = ENXIO;
258 break;
259
260 case APMIO_ENABLE:
261 if (!(flag & FWRITE))
262 return (EPERM);
263 apm_softc.active = 1;
264 break;
265
266 case APMIO_DISABLE:
267 if (!(flag & FWRITE))
268 return (EPERM);
269 apm_softc.active = 0;
270 break;
271
272 case APMIO_HALTCPU:
273 break;
274
275 case APMIO_NOTHALTCPU:
276 break;
277
278 case APMIO_DISPLAY:
279 if (!(flag & FWRITE))
280 return (EPERM);
281 break;
282
283 case APMIO_BIOS:
284 if (!(flag & FWRITE))
285 return (EPERM);
286 bzero(addr, sizeof(struct apm_bios_arg));
287 break;
288
289 default:
290 error = EINVAL;
291 break;
292 }
293
294 return (error);
295}
296
297static int
298apmwrite(dev_t dev, struct uio *uio, int ioflag)
299{
300
301 return (uio->uio_resid);
302}
303
304static int
305apmpoll(dev_t dev, int events, d_thread_t *td)
306{
307 return (0);
308}
309
310static void
311acpi_capm_init(struct acpi_softc *sc)
312{
313
314 make_dev(&apm_cdevsw, 0, 0, 5, 0664, "apm");
315}
316
317int
318acpi_machdep_init(device_t dev)
319{
320 struct acpi_softc *sc;
321
322 acpi_dev = dev;
323 if ((sc = device_get_softc(acpi_dev)) == NULL) {
324 return (ENXIO);
325 }
326
327 /*
328 * XXX: Prevent the PnP BIOS code from interfering with
329 * our own scan of ISA devices.
330 */
331 PnPBIOStable = NULL;
332
333 acpi_capm_init(sc);
334
335 acpi_install_wakeup_handler(sc);
336
337#ifdef SMP
338 acpi_SetIntrModel(ACPI_INTR_APIC);
339#endif
340 return (0);
341}
342
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