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
27#include <sys/cdefs.h>
| 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
27#include <sys/cdefs.h>
|
28__FBSDID("$FreeBSD: head/sys/i386/acpica/acpi_machdep.c 121743 2003-10-30 16:14:55Z iwasaki $");
| 28__FBSDID("$FreeBSD: head/sys/i386/acpica/acpi_machdep.c 121830 2003-11-01 00:18:29Z njl $");
|
29
30#include <sys/param.h>
31#include <sys/bus.h>
32#include <sys/conf.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
40#include <dev/acpica/acpivar.h>
41#include <dev/acpica/acpiio.h>
42
43static device_t acpi_dev;
44
45/*
46 * APM driver emulation
47 */
48
49#if __FreeBSD_version < 500000
50#include <sys/select.h>
51#else
52#include <sys/selinfo.h>
53#endif
54
55#include <machine/apm_bios.h>
56#include <machine/pc/bios.h>
57
58#if __FreeBSD_version < 500000
59#include <i386/apm/apm.h>
60#else
61#include <i386/bios/apm.h>
62#endif
63
| 29
30#include <sys/param.h>
31#include <sys/bus.h>
32#include <sys/conf.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
40#include <dev/acpica/acpivar.h>
41#include <dev/acpica/acpiio.h>
42
43static device_t acpi_dev;
44
45/*
46 * APM driver emulation
47 */
48
49#if __FreeBSD_version < 500000
50#include <sys/select.h>
51#else
52#include <sys/selinfo.h>
53#endif
54
55#include <machine/apm_bios.h>
56#include <machine/pc/bios.h>
57
58#if __FreeBSD_version < 500000
59#include <i386/apm/apm.h>
60#else
61#include <i386/bios/apm.h>
62#endif
63
|
64u_int32_t acpi_no_reset_video = 0;
65TUNABLE_INT("hw.acpi.no_reset_video", &acpi_no_reset_video);
| 64u_int32_t acpi_reset_video = 1;
65TUNABLE_INT("hw.acpi.reset_video", &acpi_reset_video);
|
66
67static struct apm_softc apm_softc;
68
69static d_open_t apmopen;
70static d_close_t apmclose;
71static d_write_t apmwrite;
72static d_ioctl_t apmioctl;
73static d_poll_t apmpoll;
74
75#define CDEV_MAJOR 39
76static struct cdevsw apm_cdevsw = {
77 .d_open = apmopen,
78 .d_close = apmclose,
79 .d_write = apmwrite,
80 .d_ioctl = apmioctl,
81 .d_poll = apmpoll,
82 .d_name = "apm",
83 .d_maj = CDEV_MAJOR,
84};
85
86static int intr_model = ACPI_INTR_PIC;
87
88static int
89acpi_capm_convert_battstate(struct acpi_battinfo *battp)
90{
91 int state;
92
93 state = 0xff; /* XXX unknown */
94
95 if (battp->state & ACPI_BATT_STAT_DISCHARG) {
96 if (battp->cap >= 50)
97 state = 0; /* high */
98 else
99 state = 1; /* low */
100 }
101 if (battp->state & ACPI_BATT_STAT_CRITICAL)
102 state = 2; /* critical */
103 if (battp->state & ACPI_BATT_STAT_CHARGING)
104 state = 3; /* charging */
105
106 /* If still unknown, determine it based on the battery capacity. */
107 if (state == 0xff) {
108 if (battp->cap >= 50) {
109 state = 0; /* high */
110 } else {
111 state = 1; /* low */
112 }
113 }
114
115 return (state);
116}
117
118static int
119acpi_capm_convert_battflags(struct acpi_battinfo *battp)
120{
121 int flags;
122
123 flags = 0;
124
125 if (battp->cap >= 50) {
126 flags |= APM_BATT_HIGH;
127 } else {
128 if (battp->state & ACPI_BATT_STAT_CRITICAL)
129 flags |= APM_BATT_CRITICAL;
130 else
131 flags |= APM_BATT_LOW;
132 }
133 if (battp->state & ACPI_BATT_STAT_CHARGING)
134 flags |= APM_BATT_CHARGING;
135 if (battp->state == ACPI_BATT_STAT_NOT_PRESENT)
136 flags = APM_BATT_NOT_PRESENT;
137
138 return (flags);
139}
140
141static int
142acpi_capm_get_info(apm_info_t aip)
143{
144 int acline;
145 struct acpi_battinfo batt;
146
147 aip->ai_infoversion = 1;
148 aip->ai_major = 1;
149 aip->ai_minor = 2;
150 aip->ai_status = apm_softc.active;
151 aip->ai_capabilities= 0xff00; /* XXX unknown */
152
153 if (acpi_acad_get_acline(&acline))
154 aip->ai_acline = 0xff; /* unknown */
155 else
156 aip->ai_acline = acline; /* on/off */
157
158 if (acpi_battery_get_battinfo(-1, &batt)) {
159 aip->ai_batt_stat = 0xff; /* unknown */
160 aip->ai_batt_life = 0xff; /* unknown */
161 aip->ai_batt_time = -1; /* unknown */
162 aip->ai_batteries = 0;
163 } else {
164 aip->ai_batt_stat = acpi_capm_convert_battstate(&batt);
165 aip->ai_batt_life = batt.cap;
166 aip->ai_batt_time = (batt.min == -1) ? -1 : batt.min * 60;
167 aip->ai_batteries = acpi_battery_get_units();
168 }
169
170 return (0);
171}
172
173static int
174acpi_capm_get_pwstatus(apm_pwstatus_t app)
175{
176 int batt_unit;
177 int acline;
178 struct acpi_battinfo batt;
179
180 if (app->ap_device != PMDV_ALLDEV &&
181 (app->ap_device < PMDV_BATT0 || app->ap_device > PMDV_BATT_ALL)) {
182 return (1);
183 }
184
185 if (app->ap_device == PMDV_ALLDEV)
186 batt_unit = -1; /* all units */
187 else
188 batt_unit = app->ap_device - PMDV_BATT0;
189
190 if (acpi_battery_get_battinfo(batt_unit, &batt))
191 return (1);
192
193 app->ap_batt_stat = acpi_capm_convert_battstate(&batt);
194 app->ap_batt_flag = acpi_capm_convert_battflags(&batt);
195 app->ap_batt_life = batt.cap;
196 app->ap_batt_time = (batt.min == -1) ? -1 : batt.min * 60;
197
198 if (acpi_acad_get_acline(&acline))
199 app->ap_acline = 0xff; /* unknown */
200 else
201 app->ap_acline = acline; /* on/off */
202
203 return (0);
204}
205
206static int
207apmopen(dev_t dev, int flag, int fmt, d_thread_t *td)
208{
209 return (0);
210}
211
212static int
213apmclose(dev_t dev, int flag, int fmt, d_thread_t *td)
214{
215 return (0);
216}
217
218static int
219apmioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, d_thread_t *td)
220{
221 int error = 0;
222 struct acpi_softc *acpi_sc;
223 struct apm_info info;
224 apm_info_old_t aiop;
225
226 if ((acpi_sc = device_get_softc(acpi_dev)) == NULL)
227 return (ENXIO);
228
229 switch (cmd) {
230 case APMIO_SUSPEND:
231 if ((flag & FWRITE) == 0)
232 return (EPERM);
233 if (apm_softc.active)
234 acpi_SetSleepState(acpi_sc, acpi_sc->acpi_suspend_sx);
235 else
236 error = EINVAL;
237 break;
238 case APMIO_STANDBY:
239 if ((flag & FWRITE) == 0)
240 return (EPERM);
241 if (apm_softc.active)
242 acpi_SetSleepState(acpi_sc, acpi_sc->acpi_standby_sx);
243 else
244 error = EINVAL;
245 break;
246 case APMIO_GETINFO_OLD:
247 if (acpi_capm_get_info(&info))
248 error = ENXIO;
249 aiop = (apm_info_old_t)addr;
250 aiop->ai_major = info.ai_major;
251 aiop->ai_minor = info.ai_minor;
252 aiop->ai_acline = info.ai_acline;
253 aiop->ai_batt_stat = info.ai_batt_stat;
254 aiop->ai_batt_life = info.ai_batt_life;
255 aiop->ai_status = info.ai_status;
256 break;
257 case APMIO_GETINFO:
258 if (acpi_capm_get_info((apm_info_t)addr))
259 error = ENXIO;
260 break;
261 case APMIO_GETPWSTATUS:
262 if (acpi_capm_get_pwstatus((apm_pwstatus_t)addr))
263 error = ENXIO;
264 break;
265 case APMIO_ENABLE:
266 if ((flag & FWRITE) == 0)
267 return (EPERM);
268 apm_softc.active = 1;
269 break;
270 case APMIO_DISABLE:
271 if ((flag & FWRITE) == 0)
272 return (EPERM);
273 apm_softc.active = 0;
274 break;
275 case APMIO_HALTCPU:
276 break;
277 case APMIO_NOTHALTCPU:
278 break;
279 case APMIO_DISPLAY:
280 if ((flag & FWRITE) == 0)
281 return (EPERM);
282 break;
283 case APMIO_BIOS:
284 if ((flag & FWRITE) == 0)
285 return (EPERM);
286 bzero(addr, sizeof(struct apm_bios_arg));
287 break;
288 default:
289 error = EINVAL;
290 break;
291 }
292
293 return (error);
294}
295
296static int
297apmwrite(dev_t dev, struct uio *uio, int ioflag)
298{
299 return (uio->uio_resid);
300}
301
302static int
303apmpoll(dev_t dev, int events, d_thread_t *td)
304{
305 return (0);
306}
307
308static void
309acpi_capm_init(struct acpi_softc *sc)
310{
311 make_dev(&apm_cdevsw, 0, 0, 5, 0664, "apm");
312}
313
314int
315acpi_machdep_init(device_t dev)
316{
317 struct acpi_softc *sc;
318
319 acpi_dev = dev;
320 if ((sc = device_get_softc(acpi_dev)) == NULL)
321 return (ENXIO);
322
323 /*
324 * XXX: Prevent the PnP BIOS code from interfering with
325 * our own scan of ISA devices.
326 */
327 PnPBIOStable = NULL;
328
329 acpi_capm_init(sc);
330
331 acpi_install_wakeup_handler(sc);
332
333 if (intr_model != ACPI_INTR_PIC)
334 acpi_SetIntrModel(intr_model);
335
| 66
67static struct apm_softc apm_softc;
68
69static d_open_t apmopen;
70static d_close_t apmclose;
71static d_write_t apmwrite;
72static d_ioctl_t apmioctl;
73static d_poll_t apmpoll;
74
75#define CDEV_MAJOR 39
76static struct cdevsw apm_cdevsw = {
77 .d_open = apmopen,
78 .d_close = apmclose,
79 .d_write = apmwrite,
80 .d_ioctl = apmioctl,
81 .d_poll = apmpoll,
82 .d_name = "apm",
83 .d_maj = CDEV_MAJOR,
84};
85
86static int intr_model = ACPI_INTR_PIC;
87
88static int
89acpi_capm_convert_battstate(struct acpi_battinfo *battp)
90{
91 int state;
92
93 state = 0xff; /* XXX unknown */
94
95 if (battp->state & ACPI_BATT_STAT_DISCHARG) {
96 if (battp->cap >= 50)
97 state = 0; /* high */
98 else
99 state = 1; /* low */
100 }
101 if (battp->state & ACPI_BATT_STAT_CRITICAL)
102 state = 2; /* critical */
103 if (battp->state & ACPI_BATT_STAT_CHARGING)
104 state = 3; /* charging */
105
106 /* If still unknown, determine it based on the battery capacity. */
107 if (state == 0xff) {
108 if (battp->cap >= 50) {
109 state = 0; /* high */
110 } else {
111 state = 1; /* low */
112 }
113 }
114
115 return (state);
116}
117
118static int
119acpi_capm_convert_battflags(struct acpi_battinfo *battp)
120{
121 int flags;
122
123 flags = 0;
124
125 if (battp->cap >= 50) {
126 flags |= APM_BATT_HIGH;
127 } else {
128 if (battp->state & ACPI_BATT_STAT_CRITICAL)
129 flags |= APM_BATT_CRITICAL;
130 else
131 flags |= APM_BATT_LOW;
132 }
133 if (battp->state & ACPI_BATT_STAT_CHARGING)
134 flags |= APM_BATT_CHARGING;
135 if (battp->state == ACPI_BATT_STAT_NOT_PRESENT)
136 flags = APM_BATT_NOT_PRESENT;
137
138 return (flags);
139}
140
141static int
142acpi_capm_get_info(apm_info_t aip)
143{
144 int acline;
145 struct acpi_battinfo batt;
146
147 aip->ai_infoversion = 1;
148 aip->ai_major = 1;
149 aip->ai_minor = 2;
150 aip->ai_status = apm_softc.active;
151 aip->ai_capabilities= 0xff00; /* XXX unknown */
152
153 if (acpi_acad_get_acline(&acline))
154 aip->ai_acline = 0xff; /* unknown */
155 else
156 aip->ai_acline = acline; /* on/off */
157
158 if (acpi_battery_get_battinfo(-1, &batt)) {
159 aip->ai_batt_stat = 0xff; /* unknown */
160 aip->ai_batt_life = 0xff; /* unknown */
161 aip->ai_batt_time = -1; /* unknown */
162 aip->ai_batteries = 0;
163 } else {
164 aip->ai_batt_stat = acpi_capm_convert_battstate(&batt);
165 aip->ai_batt_life = batt.cap;
166 aip->ai_batt_time = (batt.min == -1) ? -1 : batt.min * 60;
167 aip->ai_batteries = acpi_battery_get_units();
168 }
169
170 return (0);
171}
172
173static int
174acpi_capm_get_pwstatus(apm_pwstatus_t app)
175{
176 int batt_unit;
177 int acline;
178 struct acpi_battinfo batt;
179
180 if (app->ap_device != PMDV_ALLDEV &&
181 (app->ap_device < PMDV_BATT0 || app->ap_device > PMDV_BATT_ALL)) {
182 return (1);
183 }
184
185 if (app->ap_device == PMDV_ALLDEV)
186 batt_unit = -1; /* all units */
187 else
188 batt_unit = app->ap_device - PMDV_BATT0;
189
190 if (acpi_battery_get_battinfo(batt_unit, &batt))
191 return (1);
192
193 app->ap_batt_stat = acpi_capm_convert_battstate(&batt);
194 app->ap_batt_flag = acpi_capm_convert_battflags(&batt);
195 app->ap_batt_life = batt.cap;
196 app->ap_batt_time = (batt.min == -1) ? -1 : batt.min * 60;
197
198 if (acpi_acad_get_acline(&acline))
199 app->ap_acline = 0xff; /* unknown */
200 else
201 app->ap_acline = acline; /* on/off */
202
203 return (0);
204}
205
206static int
207apmopen(dev_t dev, int flag, int fmt, d_thread_t *td)
208{
209 return (0);
210}
211
212static int
213apmclose(dev_t dev, int flag, int fmt, d_thread_t *td)
214{
215 return (0);
216}
217
218static int
219apmioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, d_thread_t *td)
220{
221 int error = 0;
222 struct acpi_softc *acpi_sc;
223 struct apm_info info;
224 apm_info_old_t aiop;
225
226 if ((acpi_sc = device_get_softc(acpi_dev)) == NULL)
227 return (ENXIO);
228
229 switch (cmd) {
230 case APMIO_SUSPEND:
231 if ((flag & FWRITE) == 0)
232 return (EPERM);
233 if (apm_softc.active)
234 acpi_SetSleepState(acpi_sc, acpi_sc->acpi_suspend_sx);
235 else
236 error = EINVAL;
237 break;
238 case APMIO_STANDBY:
239 if ((flag & FWRITE) == 0)
240 return (EPERM);
241 if (apm_softc.active)
242 acpi_SetSleepState(acpi_sc, acpi_sc->acpi_standby_sx);
243 else
244 error = EINVAL;
245 break;
246 case APMIO_GETINFO_OLD:
247 if (acpi_capm_get_info(&info))
248 error = ENXIO;
249 aiop = (apm_info_old_t)addr;
250 aiop->ai_major = info.ai_major;
251 aiop->ai_minor = info.ai_minor;
252 aiop->ai_acline = info.ai_acline;
253 aiop->ai_batt_stat = info.ai_batt_stat;
254 aiop->ai_batt_life = info.ai_batt_life;
255 aiop->ai_status = info.ai_status;
256 break;
257 case APMIO_GETINFO:
258 if (acpi_capm_get_info((apm_info_t)addr))
259 error = ENXIO;
260 break;
261 case APMIO_GETPWSTATUS:
262 if (acpi_capm_get_pwstatus((apm_pwstatus_t)addr))
263 error = ENXIO;
264 break;
265 case APMIO_ENABLE:
266 if ((flag & FWRITE) == 0)
267 return (EPERM);
268 apm_softc.active = 1;
269 break;
270 case APMIO_DISABLE:
271 if ((flag & FWRITE) == 0)
272 return (EPERM);
273 apm_softc.active = 0;
274 break;
275 case APMIO_HALTCPU:
276 break;
277 case APMIO_NOTHALTCPU:
278 break;
279 case APMIO_DISPLAY:
280 if ((flag & FWRITE) == 0)
281 return (EPERM);
282 break;
283 case APMIO_BIOS:
284 if ((flag & FWRITE) == 0)
285 return (EPERM);
286 bzero(addr, sizeof(struct apm_bios_arg));
287 break;
288 default:
289 error = EINVAL;
290 break;
291 }
292
293 return (error);
294}
295
296static int
297apmwrite(dev_t dev, struct uio *uio, int ioflag)
298{
299 return (uio->uio_resid);
300}
301
302static int
303apmpoll(dev_t dev, int events, d_thread_t *td)
304{
305 return (0);
306}
307
308static void
309acpi_capm_init(struct acpi_softc *sc)
310{
311 make_dev(&apm_cdevsw, 0, 0, 5, 0664, "apm");
312}
313
314int
315acpi_machdep_init(device_t dev)
316{
317 struct acpi_softc *sc;
318
319 acpi_dev = dev;
320 if ((sc = device_get_softc(acpi_dev)) == NULL)
321 return (ENXIO);
322
323 /*
324 * XXX: Prevent the PnP BIOS code from interfering with
325 * our own scan of ISA devices.
326 */
327 PnPBIOStable = NULL;
328
329 acpi_capm_init(sc);
330
331 acpi_install_wakeup_handler(sc);
332
333 if (intr_model != ACPI_INTR_PIC)
334 acpi_SetIntrModel(intr_model);
335
|
336 SYSCTL_ADD_UINT(&sc->acpi_sysctl_ctx, SYSCTL_CHILDREN(sc->acpi_sysctl_tree),
337 OID_AUTO, "no_reset_video", CTLFLAG_RD | CTLFLAG_RW, &acpi_no_reset_video, 0,
338 "Disable calling the VESA reset BIOS vector on the resume path");
| 336 SYSCTL_ADD_UINT(&sc->acpi_sysctl_ctx,
337 SYSCTL_CHILDREN(sc->acpi_sysctl_tree), OID_AUTO,
338 "reset_video", CTLFLAG_RD | CTLFLAG_RW, &acpi_reset_video, 0,
339 "Call the VESA reset BIOS vector on the resume path");
|
339
340 return (0);
341}
342
343void
344acpi_SetDefaultIntrModel(int model)
345{
346
347 intr_model = model;
348}
| 340
341 return (0);
342}
343
344void
345acpi_SetDefaultIntrModel(int model)
346{
347
348 intr_model = model;
349}
|