Deleted Added
sdiff udiff text old ( 82372 ) new ( 85556 )
full compact
acpi_battery.c (82372) acpi_battery.c (85556)
1/*-
2 * Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@jp.freebsd.org>
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 *
1/*-
2 * Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@jp.freebsd.org>
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/dev/acpica/acpi_battery.c 82372 2001-08-26 22:50:15Z msmith $
26 * $FreeBSD: head/sys/dev/acpica/acpi_battery.c 85556 2001-10-26 17:43:05Z iwasaki $
27 */
28
29#include "opt_acpi.h" /* XXX trim includes */
30#include <sys/param.h>
31#include <sys/kernel.h>
32#include <sys/proc.h>
33#include <sys/lock.h>
34#include <sys/malloc.h>
35#include <sys/mutex.h>
36#include <sys/bus.h>
37#include <sys/conf.h>
38#include <sys/ioccom.h>
39#include <sys/reboot.h>
40#include <sys/sysctl.h>
41#include <sys/ctype.h>
42
43#include <machine/clock.h>
44
45#include <machine/resource.h>
46
47#include "acpi.h"
48
49#include <dev/acpica/acpivar.h>
50#include <dev/acpica/acpiio.h>
51
52MALLOC_DEFINE(M_ACPIBATT, "acpibatt", "ACPI generic battery data");
53
54/*
55 * ACPI Battery Abstruction Layer.
56 */
57
58struct acpi_batteries {
59 TAILQ_ENTRY(acpi_batteries) link;
60 struct acpi_battdesc battdesc;
61};
62
63static TAILQ_HEAD(,acpi_batteries) acpi_batteries;
64static int acpi_batteries_initted = 0;
65static int acpi_batteries_units = 0;
66static struct acpi_battinfo acpi_battery_battinfo;
67
27 */
28
29#include "opt_acpi.h" /* XXX trim includes */
30#include <sys/param.h>
31#include <sys/kernel.h>
32#include <sys/proc.h>
33#include <sys/lock.h>
34#include <sys/malloc.h>
35#include <sys/mutex.h>
36#include <sys/bus.h>
37#include <sys/conf.h>
38#include <sys/ioccom.h>
39#include <sys/reboot.h>
40#include <sys/sysctl.h>
41#include <sys/ctype.h>
42
43#include <machine/clock.h>
44
45#include <machine/resource.h>
46
47#include "acpi.h"
48
49#include <dev/acpica/acpivar.h>
50#include <dev/acpica/acpiio.h>
51
52MALLOC_DEFINE(M_ACPIBATT, "acpibatt", "ACPI generic battery data");
53
54/*
55 * ACPI Battery Abstruction Layer.
56 */
57
58struct acpi_batteries {
59 TAILQ_ENTRY(acpi_batteries) link;
60 struct acpi_battdesc battdesc;
61};
62
63static TAILQ_HEAD(,acpi_batteries) acpi_batteries;
64static int acpi_batteries_initted = 0;
65static int acpi_batteries_units = 0;
66static struct acpi_battinfo acpi_battery_battinfo;
67
68static int
68int
69acpi_battery_get_units(void)
70{
71
72 return (acpi_batteries_units);
73}
74
69acpi_battery_get_units(void)
70{
71
72 return (acpi_batteries_units);
73}
74
75static int
75int
76acpi_battery_get_battdesc(int logical_unit, struct acpi_battdesc *battdesc)
77{
78 int i;
79 struct acpi_batteries *bp;
80
81 if (logical_unit < 0 || logical_unit >= acpi_batteries_units) {
82 return (ENXIO);
83 }
84
85 i = 0;
86 TAILQ_FOREACH(bp, &acpi_batteries, link) {
87 if (logical_unit == i) {
88 battdesc->type = bp->battdesc.type;
89 battdesc->phys_unit = bp->battdesc.phys_unit;
90 return (0);
91 }
92 i++;
93 }
94
95 return (ENXIO);
96}
97
76acpi_battery_get_battdesc(int logical_unit, struct acpi_battdesc *battdesc)
77{
78 int i;
79 struct acpi_batteries *bp;
80
81 if (logical_unit < 0 || logical_unit >= acpi_batteries_units) {
82 return (ENXIO);
83 }
84
85 i = 0;
86 TAILQ_FOREACH(bp, &acpi_batteries, link) {
87 if (logical_unit == i) {
88 battdesc->type = bp->battdesc.type;
89 battdesc->phys_unit = bp->battdesc.phys_unit;
90 return (0);
91 }
92 i++;
93 }
94
95 return (ENXIO);
96}
97
98static int
98int
99acpi_battery_get_battinfo(int unit, struct acpi_battinfo *battinfo)
100{
101 int error;
102 struct acpi_battdesc battdesc;
103
104 error = 0;
105 if (unit == -1) {
106 error = acpi_cmbat_get_battinfo(-1, battinfo);
107 goto out;
108 } else {
109 if ((error = acpi_battery_get_battdesc(unit, &battdesc)) != 0) {
110 goto out;
111 }
112 switch (battdesc.type) {
113 case ACPI_BATT_TYPE_CMBAT:
114 error = acpi_cmbat_get_battinfo(battdesc.phys_unit,
115 battinfo);
116 break;
117 default:
118 error = ENXIO;
119 break;
120 }
121 }
122out:
123 return (error);
124}
125
126static int
127acpi_battery_ioctl(u_long cmd, caddr_t addr, void *arg)
128{
129 int error;
130 int logical_unit;
131 union acpi_battery_ioctl_arg *ioctl_arg;
132
133 ioctl_arg = (union acpi_battery_ioctl_arg *)addr;
134 error = 0;
135 switch (cmd) {
136 case ACPIIO_BATT_GET_UNITS:
137 *(int *)addr = acpi_battery_get_units();
138 break;
139
140 case ACPIIO_BATT_GET_BATTDESC:
141 logical_unit = ioctl_arg->unit;
142 error = acpi_battery_get_battdesc(logical_unit, &ioctl_arg->battdesc);
143 break;
144
145 case ACPIIO_BATT_GET_BATTINFO:
146 logical_unit = ioctl_arg->unit;
147 error = acpi_battery_get_battinfo(logical_unit,
148 &ioctl_arg->battinfo);
149 break;
150
151 default:
152 error = EINVAL;
153 break;
154 }
155
156 return (error);
157}
158
159static int
160acpi_battery_sysctl(SYSCTL_HANDLER_ARGS)
161{
162 int val;
163 int error;
164
165 acpi_battery_get_battinfo(-1, &acpi_battery_battinfo);
166 val = *(u_int *)oidp->oid_arg1;
167 error = sysctl_handle_int(oidp, &val, 0, req);
168 return (error);
169}
170
171static int
172acpi_battery_init(void)
173{
174 device_t dev;
175 struct acpi_softc *sc;
176 int error;
177
178 if ((dev = devclass_get_device(acpi_devclass, 0)) == NULL) {
179 return (ENXIO);
180 }
181 if ((sc = device_get_softc(dev)) == NULL) {
182 return (ENXIO);
183 }
184
185 error = 0;
186
187 TAILQ_INIT(&acpi_batteries);
188 acpi_batteries_initted = 1;
189
190 if ((error = acpi_register_ioctl(ACPIIO_BATT_GET_UNITS,
191 acpi_battery_ioctl, NULL)) != 0) {
192 return (error);
193 }
194 if ((error = acpi_register_ioctl(ACPIIO_BATT_GET_BATTDESC,
195 acpi_battery_ioctl, NULL)) != 0) {
196 return (error);
197 }
198 if ((error = acpi_register_ioctl(ACPIIO_BATT_GET_BATTINFO,
199 acpi_battery_ioctl, NULL)) != 0) {
200 return (error);
201 }
202
203 sysctl_ctx_init(&sc->acpi_battery_sysctl_ctx);
204 sc->acpi_battery_sysctl_tree = SYSCTL_ADD_NODE(&sc->acpi_battery_sysctl_ctx,
205 SYSCTL_CHILDREN(sc->acpi_sysctl_tree),
206 OID_AUTO, "battery", CTLFLAG_RD, 0, "");
207 SYSCTL_ADD_PROC(&sc->acpi_battery_sysctl_ctx,
208 SYSCTL_CHILDREN(sc->acpi_battery_sysctl_tree),
209 OID_AUTO, "life", CTLTYPE_INT | CTLFLAG_RD,
210 &acpi_battery_battinfo.cap, 0, acpi_battery_sysctl, "I", "");
211 SYSCTL_ADD_PROC(&sc->acpi_battery_sysctl_ctx,
212 SYSCTL_CHILDREN(sc->acpi_battery_sysctl_tree),
213 OID_AUTO, "time", CTLTYPE_INT | CTLFLAG_RD,
214 &acpi_battery_battinfo.min, 0, acpi_battery_sysctl, "I", "");
215 SYSCTL_ADD_PROC(&sc->acpi_battery_sysctl_ctx,
216 SYSCTL_CHILDREN(sc->acpi_battery_sysctl_tree),
217 OID_AUTO, "state", CTLTYPE_INT | CTLFLAG_RD,
218 &acpi_battery_battinfo.state, 0, acpi_battery_sysctl, "I", "");
219 SYSCTL_ADD_INT(&sc->acpi_battery_sysctl_ctx,
220 SYSCTL_CHILDREN(sc->acpi_battery_sysctl_tree),
221 OID_AUTO, "units", CTLFLAG_RD, &acpi_batteries_units, 0, "");
222
223 return (error);
224}
225
226int
227acpi_battery_register(int type, int phys_unit)
228{
229 int error;
230 struct acpi_batteries *bp;
231
232 error = 0;
233 if ((bp = malloc(sizeof(*bp), M_ACPIBATT, M_NOWAIT)) == NULL) {
234 return(ENOMEM);
235 }
236
237 bp->battdesc.type = type;
238 bp->battdesc.phys_unit = phys_unit;
239 if (acpi_batteries_initted == 0) {
240 if ((error = acpi_battery_init()) != 0) {
241 free(bp, M_ACPIBATT);
242 return(error);
243 }
244 }
245
246 TAILQ_INSERT_TAIL(&acpi_batteries, bp, link);
247 acpi_batteries_units++;
248
249 return(0);
250}
99acpi_battery_get_battinfo(int unit, struct acpi_battinfo *battinfo)
100{
101 int error;
102 struct acpi_battdesc battdesc;
103
104 error = 0;
105 if (unit == -1) {
106 error = acpi_cmbat_get_battinfo(-1, battinfo);
107 goto out;
108 } else {
109 if ((error = acpi_battery_get_battdesc(unit, &battdesc)) != 0) {
110 goto out;
111 }
112 switch (battdesc.type) {
113 case ACPI_BATT_TYPE_CMBAT:
114 error = acpi_cmbat_get_battinfo(battdesc.phys_unit,
115 battinfo);
116 break;
117 default:
118 error = ENXIO;
119 break;
120 }
121 }
122out:
123 return (error);
124}
125
126static int
127acpi_battery_ioctl(u_long cmd, caddr_t addr, void *arg)
128{
129 int error;
130 int logical_unit;
131 union acpi_battery_ioctl_arg *ioctl_arg;
132
133 ioctl_arg = (union acpi_battery_ioctl_arg *)addr;
134 error = 0;
135 switch (cmd) {
136 case ACPIIO_BATT_GET_UNITS:
137 *(int *)addr = acpi_battery_get_units();
138 break;
139
140 case ACPIIO_BATT_GET_BATTDESC:
141 logical_unit = ioctl_arg->unit;
142 error = acpi_battery_get_battdesc(logical_unit, &ioctl_arg->battdesc);
143 break;
144
145 case ACPIIO_BATT_GET_BATTINFO:
146 logical_unit = ioctl_arg->unit;
147 error = acpi_battery_get_battinfo(logical_unit,
148 &ioctl_arg->battinfo);
149 break;
150
151 default:
152 error = EINVAL;
153 break;
154 }
155
156 return (error);
157}
158
159static int
160acpi_battery_sysctl(SYSCTL_HANDLER_ARGS)
161{
162 int val;
163 int error;
164
165 acpi_battery_get_battinfo(-1, &acpi_battery_battinfo);
166 val = *(u_int *)oidp->oid_arg1;
167 error = sysctl_handle_int(oidp, &val, 0, req);
168 return (error);
169}
170
171static int
172acpi_battery_init(void)
173{
174 device_t dev;
175 struct acpi_softc *sc;
176 int error;
177
178 if ((dev = devclass_get_device(acpi_devclass, 0)) == NULL) {
179 return (ENXIO);
180 }
181 if ((sc = device_get_softc(dev)) == NULL) {
182 return (ENXIO);
183 }
184
185 error = 0;
186
187 TAILQ_INIT(&acpi_batteries);
188 acpi_batteries_initted = 1;
189
190 if ((error = acpi_register_ioctl(ACPIIO_BATT_GET_UNITS,
191 acpi_battery_ioctl, NULL)) != 0) {
192 return (error);
193 }
194 if ((error = acpi_register_ioctl(ACPIIO_BATT_GET_BATTDESC,
195 acpi_battery_ioctl, NULL)) != 0) {
196 return (error);
197 }
198 if ((error = acpi_register_ioctl(ACPIIO_BATT_GET_BATTINFO,
199 acpi_battery_ioctl, NULL)) != 0) {
200 return (error);
201 }
202
203 sysctl_ctx_init(&sc->acpi_battery_sysctl_ctx);
204 sc->acpi_battery_sysctl_tree = SYSCTL_ADD_NODE(&sc->acpi_battery_sysctl_ctx,
205 SYSCTL_CHILDREN(sc->acpi_sysctl_tree),
206 OID_AUTO, "battery", CTLFLAG_RD, 0, "");
207 SYSCTL_ADD_PROC(&sc->acpi_battery_sysctl_ctx,
208 SYSCTL_CHILDREN(sc->acpi_battery_sysctl_tree),
209 OID_AUTO, "life", CTLTYPE_INT | CTLFLAG_RD,
210 &acpi_battery_battinfo.cap, 0, acpi_battery_sysctl, "I", "");
211 SYSCTL_ADD_PROC(&sc->acpi_battery_sysctl_ctx,
212 SYSCTL_CHILDREN(sc->acpi_battery_sysctl_tree),
213 OID_AUTO, "time", CTLTYPE_INT | CTLFLAG_RD,
214 &acpi_battery_battinfo.min, 0, acpi_battery_sysctl, "I", "");
215 SYSCTL_ADD_PROC(&sc->acpi_battery_sysctl_ctx,
216 SYSCTL_CHILDREN(sc->acpi_battery_sysctl_tree),
217 OID_AUTO, "state", CTLTYPE_INT | CTLFLAG_RD,
218 &acpi_battery_battinfo.state, 0, acpi_battery_sysctl, "I", "");
219 SYSCTL_ADD_INT(&sc->acpi_battery_sysctl_ctx,
220 SYSCTL_CHILDREN(sc->acpi_battery_sysctl_tree),
221 OID_AUTO, "units", CTLFLAG_RD, &acpi_batteries_units, 0, "");
222
223 return (error);
224}
225
226int
227acpi_battery_register(int type, int phys_unit)
228{
229 int error;
230 struct acpi_batteries *bp;
231
232 error = 0;
233 if ((bp = malloc(sizeof(*bp), M_ACPIBATT, M_NOWAIT)) == NULL) {
234 return(ENOMEM);
235 }
236
237 bp->battdesc.type = type;
238 bp->battdesc.phys_unit = phys_unit;
239 if (acpi_batteries_initted == 0) {
240 if ((error = acpi_battery_init()) != 0) {
241 free(bp, M_ACPIBATT);
242 return(error);
243 }
244 }
245
246 TAILQ_INSERT_TAIL(&acpi_batteries, bp, link);
247 acpi_batteries_units++;
248
249 return(0);
250}