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>
|
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#include <vm/vm.h>
38#include <vm/pmap.h>
39
40#include "acpi.h"
41#include <dev/acpica/acpivar.h>
42#include <dev/acpica/acpiio.h>
43
44/*
45 * APM driver emulation
46 */
47
48#include <sys/selinfo.h>
49
50#include <machine/apm_bios.h>
51#include <machine/pc/bios.h>
52
53#include <i386/bios/apm.h>
54
55uint32_t acpi_reset_video = 1;
56TUNABLE_INT("hw.acpi.reset_video", &acpi_reset_video);
57
58static int intr_model = ACPI_INTR_PIC;
59static int apm_active;
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
67static struct cdevsw apm_cdevsw = {
68 .d_version = D_VERSION,
69 .d_flags = D_NEEDGIANT,
70 .d_open = apmopen,
71 .d_close = apmclose,
72 .d_write = apmwrite,
73 .d_ioctl = apmioctl,
74 .d_poll = apmpoll,
75 .d_name = "apm",
76};
77
78static int
79acpi_capm_convert_battstate(struct acpi_battinfo *battp)
80{
81 int state;
82
83 state = APM_UNKNOWN;
84
85 if (battp->state & ACPI_BATT_STAT_DISCHARG) {
86 if (battp->cap >= 50)
87 state = 0; /* high */
88 else
89 state = 1; /* low */
90 }
91 if (battp->state & ACPI_BATT_STAT_CRITICAL)
92 state = 2; /* critical */
93 if (battp->state & ACPI_BATT_STAT_CHARGING)
94 state = 3; /* charging */
95
96 /* If still unknown, determine it based on the battery capacity. */
97 if (state == APM_UNKNOWN) {
98 if (battp->cap >= 50)
99 state = 0; /* high */
100 else
101 state = 1; /* low */
102 }
103
104 return (state);
105}
106
107static int
108acpi_capm_convert_battflags(struct acpi_battinfo *battp)
109{
110 int flags;
111
112 flags = 0;
113
114 if (battp->cap >= 50)
115 flags |= APM_BATT_HIGH;
116 else {
117 if (battp->state & ACPI_BATT_STAT_CRITICAL)
118 flags |= APM_BATT_CRITICAL;
119 else
120 flags |= APM_BATT_LOW;
121 }
122 if (battp->state & ACPI_BATT_STAT_CHARGING)
123 flags |= APM_BATT_CHARGING;
124 if (battp->state == ACPI_BATT_STAT_NOT_PRESENT)
125 flags = APM_BATT_NOT_PRESENT;
126
127 return (flags);
128}
129
130static int
131acpi_capm_get_info(apm_info_t aip)
132{
133 int acline;
134 struct acpi_battinfo batt;
135
136 aip->ai_infoversion = 1;
137 aip->ai_major = 1;
138 aip->ai_minor = 2;
139 aip->ai_status = apm_active;
140 aip->ai_capabilities= 0xff00; /* unknown */
141
142 if (acpi_acad_get_acline(&acline))
143 aip->ai_acline = APM_UNKNOWN; /* unknown */
144 else
145 aip->ai_acline = acline; /* on/off */
146
147 if (acpi_battery_get_battinfo(-1, &batt)) {
148 aip->ai_batt_stat = APM_UNKNOWN;
149 aip->ai_batt_life = APM_UNKNOWN;
150 aip->ai_batt_time = -1; /* unknown */
151 aip->ai_batteries = ~0U; /* unknown */
152 } else {
153 aip->ai_batt_stat = acpi_capm_convert_battstate(&batt);
154 aip->ai_batt_life = batt.cap;
155 aip->ai_batt_time = (batt.min == -1) ? -1 : batt.min * 60;
156 aip->ai_batteries = acpi_battery_get_units();
157 }
158
159 return (0);
160}
161
162static int
163acpi_capm_get_pwstatus(apm_pwstatus_t app)
164{
165 int batt_unit;
166 int acline;
167 struct acpi_battinfo batt;
168
169 if (app->ap_device != PMDV_ALLDEV &&
170 (app->ap_device < PMDV_BATT0 || app->ap_device > PMDV_BATT_ALL))
171 return (1);
172
173 if (app->ap_device == PMDV_ALLDEV)
174 batt_unit = -1; /* all units */
175 else
176 batt_unit = app->ap_device - PMDV_BATT0;
177
178 if (acpi_battery_get_battinfo(batt_unit, &batt))
179 return (1);
180
181 app->ap_batt_stat = acpi_capm_convert_battstate(&batt);
182 app->ap_batt_flag = acpi_capm_convert_battflags(&batt);
183 app->ap_batt_life = batt.cap;
184 app->ap_batt_time = (batt.min == -1) ? -1 : batt.min * 60;
185
186 if (acpi_acad_get_acline(&acline))
187 app->ap_acline = APM_UNKNOWN;
188 else
189 app->ap_acline = acline; /* on/off */
190
191 return (0);
192}
193
194static int
195apmopen(struct cdev *dev, int flag, int fmt, d_thread_t *td)
196{
197 return (0);
198}
199
200static int
201apmclose(struct cdev *dev, int flag, int fmt, d_thread_t *td)
202{
203 return (0);
204}
205
206static int
207apmioctl(struct cdev *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 acpi_sc = devclass_get_softc(devclass_find("acpi"), 0);
215
216 switch (cmd) {
217 case APMIO_SUSPEND:
218 if ((flag & FWRITE) == 0)
219 return (EPERM);
220 if (apm_active)
221 acpi_SetSleepState(acpi_sc, acpi_sc->acpi_suspend_sx);
222 else
223 error = EINVAL;
224 break;
225 case APMIO_STANDBY:
226 if ((flag & FWRITE) == 0)
227 return (EPERM);
228 if (apm_active)
229 acpi_SetSleepState(acpi_sc, acpi_sc->acpi_standby_sx);
230 else
231 error = EINVAL;
232 break;
233 case APMIO_GETINFO_OLD:
234 if (acpi_capm_get_info(&info))
235 error = ENXIO;
236 aiop = (apm_info_old_t)addr;
237 aiop->ai_major = info.ai_major;
238 aiop->ai_minor = info.ai_minor;
239 aiop->ai_acline = info.ai_acline;
240 aiop->ai_batt_stat = info.ai_batt_stat;
241 aiop->ai_batt_life = info.ai_batt_life;
242 aiop->ai_status = info.ai_status;
243 break;
244 case APMIO_GETINFO:
245 if (acpi_capm_get_info((apm_info_t)addr))
246 error = ENXIO;
247 break;
248 case APMIO_GETPWSTATUS:
249 if (acpi_capm_get_pwstatus((apm_pwstatus_t)addr))
250 error = ENXIO;
251 break;
252 case APMIO_ENABLE:
253 if ((flag & FWRITE) == 0)
254 return (EPERM);
255 apm_active = 1;
256 break;
257 case APMIO_DISABLE:
258 if ((flag & FWRITE) == 0)
259 return (EPERM);
260 apm_active = 0;
261 break;
262 case APMIO_HALTCPU:
263 break;
264 case APMIO_NOTHALTCPU:
265 break;
266 case APMIO_DISPLAY:
267 if ((flag & FWRITE) == 0)
268 return (EPERM);
269 break;
270 case APMIO_BIOS:
271 if ((flag & FWRITE) == 0)
272 return (EPERM);
273 bzero(addr, sizeof(struct apm_bios_arg));
274 break;
275 default:
276 error = EINVAL;
277 break;
278 }
279
280 return (error);
281}
282
283static int
284apmwrite(struct cdev *dev, struct uio *uio, int ioflag)
285{
286 return (uio->uio_resid);
287}
288
289static int
290apmpoll(struct cdev *dev, int events, d_thread_t *td)
291{
292 return (0);
293}
294
295static void
296acpi_capm_init(struct acpi_softc *sc)
297{
298 make_dev(&apm_cdevsw, 0, 0, 5, 0664, "apm");
299}
300
301int
302acpi_machdep_init(device_t dev)
303{
304 struct acpi_softc *sc;
305
306 sc = devclass_get_softc(devclass_find("acpi"), 0);
307 acpi_capm_init(sc);
308
309 acpi_install_wakeup_handler(sc);
310
311 if (intr_model == ACPI_INTR_PIC)
312 BUS_CONFIG_INTR(dev, AcpiGbl_FADT->SciInt, INTR_TRIGGER_LEVEL,
313 INTR_POLARITY_LOW);
314 else
315 acpi_SetIntrModel(intr_model);
316
317 SYSCTL_ADD_UINT(&sc->acpi_sysctl_ctx,
318 SYSCTL_CHILDREN(sc->acpi_sysctl_tree), OID_AUTO,
319 "reset_video", CTLFLAG_RD | CTLFLAG_RW, &acpi_reset_video, 0,
320 "Call the VESA reset BIOS vector on the resume path");
321
322 return (0);
323}
324
325void
326acpi_SetDefaultIntrModel(int model)
327{
328
329 intr_model = model;
330}
331
332/* Check BIOS date. If 1998 or older, disable ACPI. */
333int
334acpi_machdep_quirks(int *quirks)
335{
336 char *va;
337 int year;
338
339 /* BIOS address 0xffff5 contains the date in the format mm/dd/yy. */
340 va = pmap_mapdev(0xffff0, 16);
341 sscanf(va + 11, "%2d", &year);
342 pmap_unmapdev((vm_offset_t)va, 16);
343
344 /*
345 * Date must be >= 1/1/1999 or we don't trust ACPI. Note that this
346 * check must be changed by my 114th birthday.
347 */
348 if (year > 90 && year < 99)
349 *quirks = ACPI_Q_BROKEN;
350
351 return (0);
352}
| 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#include <vm/vm.h>
38#include <vm/pmap.h>
39
40#include "acpi.h"
41#include <dev/acpica/acpivar.h>
42#include <dev/acpica/acpiio.h>
43
44/*
45 * APM driver emulation
46 */
47
48#include <sys/selinfo.h>
49
50#include <machine/apm_bios.h>
51#include <machine/pc/bios.h>
52
53#include <i386/bios/apm.h>
54
55uint32_t acpi_reset_video = 1;
56TUNABLE_INT("hw.acpi.reset_video", &acpi_reset_video);
57
58static int intr_model = ACPI_INTR_PIC;
59static int apm_active;
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
67static struct cdevsw apm_cdevsw = {
68 .d_version = D_VERSION,
69 .d_flags = D_NEEDGIANT,
70 .d_open = apmopen,
71 .d_close = apmclose,
72 .d_write = apmwrite,
73 .d_ioctl = apmioctl,
74 .d_poll = apmpoll,
75 .d_name = "apm",
76};
77
78static int
79acpi_capm_convert_battstate(struct acpi_battinfo *battp)
80{
81 int state;
82
83 state = APM_UNKNOWN;
84
85 if (battp->state & ACPI_BATT_STAT_DISCHARG) {
86 if (battp->cap >= 50)
87 state = 0; /* high */
88 else
89 state = 1; /* low */
90 }
91 if (battp->state & ACPI_BATT_STAT_CRITICAL)
92 state = 2; /* critical */
93 if (battp->state & ACPI_BATT_STAT_CHARGING)
94 state = 3; /* charging */
95
96 /* If still unknown, determine it based on the battery capacity. */
97 if (state == APM_UNKNOWN) {
98 if (battp->cap >= 50)
99 state = 0; /* high */
100 else
101 state = 1; /* low */
102 }
103
104 return (state);
105}
106
107static int
108acpi_capm_convert_battflags(struct acpi_battinfo *battp)
109{
110 int flags;
111
112 flags = 0;
113
114 if (battp->cap >= 50)
115 flags |= APM_BATT_HIGH;
116 else {
117 if (battp->state & ACPI_BATT_STAT_CRITICAL)
118 flags |= APM_BATT_CRITICAL;
119 else
120 flags |= APM_BATT_LOW;
121 }
122 if (battp->state & ACPI_BATT_STAT_CHARGING)
123 flags |= APM_BATT_CHARGING;
124 if (battp->state == ACPI_BATT_STAT_NOT_PRESENT)
125 flags = APM_BATT_NOT_PRESENT;
126
127 return (flags);
128}
129
130static int
131acpi_capm_get_info(apm_info_t aip)
132{
133 int acline;
134 struct acpi_battinfo batt;
135
136 aip->ai_infoversion = 1;
137 aip->ai_major = 1;
138 aip->ai_minor = 2;
139 aip->ai_status = apm_active;
140 aip->ai_capabilities= 0xff00; /* unknown */
141
142 if (acpi_acad_get_acline(&acline))
143 aip->ai_acline = APM_UNKNOWN; /* unknown */
144 else
145 aip->ai_acline = acline; /* on/off */
146
147 if (acpi_battery_get_battinfo(-1, &batt)) {
148 aip->ai_batt_stat = APM_UNKNOWN;
149 aip->ai_batt_life = APM_UNKNOWN;
150 aip->ai_batt_time = -1; /* unknown */
151 aip->ai_batteries = ~0U; /* unknown */
152 } else {
153 aip->ai_batt_stat = acpi_capm_convert_battstate(&batt);
154 aip->ai_batt_life = batt.cap;
155 aip->ai_batt_time = (batt.min == -1) ? -1 : batt.min * 60;
156 aip->ai_batteries = acpi_battery_get_units();
157 }
158
159 return (0);
160}
161
162static int
163acpi_capm_get_pwstatus(apm_pwstatus_t app)
164{
165 int batt_unit;
166 int acline;
167 struct acpi_battinfo batt;
168
169 if (app->ap_device != PMDV_ALLDEV &&
170 (app->ap_device < PMDV_BATT0 || app->ap_device > PMDV_BATT_ALL))
171 return (1);
172
173 if (app->ap_device == PMDV_ALLDEV)
174 batt_unit = -1; /* all units */
175 else
176 batt_unit = app->ap_device - PMDV_BATT0;
177
178 if (acpi_battery_get_battinfo(batt_unit, &batt))
179 return (1);
180
181 app->ap_batt_stat = acpi_capm_convert_battstate(&batt);
182 app->ap_batt_flag = acpi_capm_convert_battflags(&batt);
183 app->ap_batt_life = batt.cap;
184 app->ap_batt_time = (batt.min == -1) ? -1 : batt.min * 60;
185
186 if (acpi_acad_get_acline(&acline))
187 app->ap_acline = APM_UNKNOWN;
188 else
189 app->ap_acline = acline; /* on/off */
190
191 return (0);
192}
193
194static int
195apmopen(struct cdev *dev, int flag, int fmt, d_thread_t *td)
196{
197 return (0);
198}
199
200static int
201apmclose(struct cdev *dev, int flag, int fmt, d_thread_t *td)
202{
203 return (0);
204}
205
206static int
207apmioctl(struct cdev *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 acpi_sc = devclass_get_softc(devclass_find("acpi"), 0);
215
216 switch (cmd) {
217 case APMIO_SUSPEND:
218 if ((flag & FWRITE) == 0)
219 return (EPERM);
220 if (apm_active)
221 acpi_SetSleepState(acpi_sc, acpi_sc->acpi_suspend_sx);
222 else
223 error = EINVAL;
224 break;
225 case APMIO_STANDBY:
226 if ((flag & FWRITE) == 0)
227 return (EPERM);
228 if (apm_active)
229 acpi_SetSleepState(acpi_sc, acpi_sc->acpi_standby_sx);
230 else
231 error = EINVAL;
232 break;
233 case APMIO_GETINFO_OLD:
234 if (acpi_capm_get_info(&info))
235 error = ENXIO;
236 aiop = (apm_info_old_t)addr;
237 aiop->ai_major = info.ai_major;
238 aiop->ai_minor = info.ai_minor;
239 aiop->ai_acline = info.ai_acline;
240 aiop->ai_batt_stat = info.ai_batt_stat;
241 aiop->ai_batt_life = info.ai_batt_life;
242 aiop->ai_status = info.ai_status;
243 break;
244 case APMIO_GETINFO:
245 if (acpi_capm_get_info((apm_info_t)addr))
246 error = ENXIO;
247 break;
248 case APMIO_GETPWSTATUS:
249 if (acpi_capm_get_pwstatus((apm_pwstatus_t)addr))
250 error = ENXIO;
251 break;
252 case APMIO_ENABLE:
253 if ((flag & FWRITE) == 0)
254 return (EPERM);
255 apm_active = 1;
256 break;
257 case APMIO_DISABLE:
258 if ((flag & FWRITE) == 0)
259 return (EPERM);
260 apm_active = 0;
261 break;
262 case APMIO_HALTCPU:
263 break;
264 case APMIO_NOTHALTCPU:
265 break;
266 case APMIO_DISPLAY:
267 if ((flag & FWRITE) == 0)
268 return (EPERM);
269 break;
270 case APMIO_BIOS:
271 if ((flag & FWRITE) == 0)
272 return (EPERM);
273 bzero(addr, sizeof(struct apm_bios_arg));
274 break;
275 default:
276 error = EINVAL;
277 break;
278 }
279
280 return (error);
281}
282
283static int
284apmwrite(struct cdev *dev, struct uio *uio, int ioflag)
285{
286 return (uio->uio_resid);
287}
288
289static int
290apmpoll(struct cdev *dev, int events, d_thread_t *td)
291{
292 return (0);
293}
294
295static void
296acpi_capm_init(struct acpi_softc *sc)
297{
298 make_dev(&apm_cdevsw, 0, 0, 5, 0664, "apm");
299}
300
301int
302acpi_machdep_init(device_t dev)
303{
304 struct acpi_softc *sc;
305
306 sc = devclass_get_softc(devclass_find("acpi"), 0);
307 acpi_capm_init(sc);
308
309 acpi_install_wakeup_handler(sc);
310
311 if (intr_model == ACPI_INTR_PIC)
312 BUS_CONFIG_INTR(dev, AcpiGbl_FADT->SciInt, INTR_TRIGGER_LEVEL,
313 INTR_POLARITY_LOW);
314 else
315 acpi_SetIntrModel(intr_model);
316
317 SYSCTL_ADD_UINT(&sc->acpi_sysctl_ctx,
318 SYSCTL_CHILDREN(sc->acpi_sysctl_tree), OID_AUTO,
319 "reset_video", CTLFLAG_RD | CTLFLAG_RW, &acpi_reset_video, 0,
320 "Call the VESA reset BIOS vector on the resume path");
321
322 return (0);
323}
324
325void
326acpi_SetDefaultIntrModel(int model)
327{
328
329 intr_model = model;
330}
331
332/* Check BIOS date. If 1998 or older, disable ACPI. */
333int
334acpi_machdep_quirks(int *quirks)
335{
336 char *va;
337 int year;
338
339 /* BIOS address 0xffff5 contains the date in the format mm/dd/yy. */
340 va = pmap_mapdev(0xffff0, 16);
341 sscanf(va + 11, "%2d", &year);
342 pmap_unmapdev((vm_offset_t)va, 16);
343
344 /*
345 * Date must be >= 1/1/1999 or we don't trust ACPI. Note that this
346 * check must be changed by my 114th birthday.
347 */
348 if (year > 90 && year < 99)
349 *quirks = ACPI_Q_BROKEN;
350
351 return (0);
352}
|