1/*-
2 * Copyright (c) 2000 Takanori Watanabe
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) 2000 Takanori Watanabe
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>
|
44#include <dev/acpica/acpivar.h>
45#include <dev/acpica/acpiio.h>
46#include <isa/isavar.h>
47#include <isa/pnpvar.h>
48
49/* Hooks for the ACPI CA debugging infrastructure */
50#define _COMPONENT ACPI_AC_ADAPTER
51ACPI_MODULE_NAME("AC_ADAPTER")
52
53/* Number of times to retry initialization before giving up. */
54#define ACPI_ACAD_RETRY_MAX 6
55
56#define ACPI_POWERSOURCE_STAT_CHANGE 0x80
57
58struct acpi_acad_softc {
59 int status;
60};
61
62static void acpi_acad_get_status(void *);
63static void acpi_acad_notify_handler(ACPI_HANDLE, UINT32, void *);
64static int acpi_acad_probe(device_t);
65static int acpi_acad_attach(device_t);
66static int acpi_acad_ioctl(u_long, caddr_t, void *);
67static int acpi_acad_sysctl(SYSCTL_HANDLER_ARGS);
68static void acpi_acad_init_acline(void *arg);
69
70static device_method_t acpi_acad_methods[] = {
71 /* Device interface */
72 DEVMETHOD(device_probe, acpi_acad_probe),
73 DEVMETHOD(device_attach, acpi_acad_attach),
74
75 {0, 0}
76};
77
78static driver_t acpi_acad_driver = {
79 "acpi_acad",
80 acpi_acad_methods,
81 sizeof(struct acpi_acad_softc),
82};
83
84static devclass_t acpi_acad_devclass;
85DRIVER_MODULE(acpi_acad, acpi, acpi_acad_driver, acpi_acad_devclass, 0, 0);
86MODULE_DEPEND(acpi_acad, acpi, 1, 1, 1);
87
88ACPI_SERIAL_DECL(acad, "ACPI AC adapter");
89
90static void
91acpi_acad_get_status(void *context)
92{
93 struct acpi_acad_softc *sc;
94 device_t dev;
95 ACPI_HANDLE h;
96 int newstatus;
97
98 dev = context;
99 sc = device_get_softc(dev);
100 h = acpi_get_handle(dev);
101 newstatus = -1;
102 acpi_GetInteger(h, "_PSR", &newstatus);
103
104 /* If status is valid and has changed, notify the system. */
105 ACPI_SERIAL_BEGIN(acad);
106 if (newstatus != -1 && sc->status != newstatus) {
107 sc->status = newstatus;
108 power_profile_set_state(newstatus ? POWER_PROFILE_PERFORMANCE :
109 POWER_PROFILE_ECONOMY);
110 ACPI_VPRINT(dev, acpi_device_get_parent_softc(dev),
111 "%s Line\n", newstatus ? "On" : "Off");
112 acpi_UserNotify("ACAD", h, newstatus);
113 }
114 ACPI_SERIAL_END(acad);
115}
116
117static void
118acpi_acad_notify_handler(ACPI_HANDLE h, UINT32 notify, void *context)
119{
120 device_t dev;
121
122 dev = (device_t)context;
123 switch (notify) {
124 case ACPI_NOTIFY_BUS_CHECK:
125 case ACPI_NOTIFY_DEVICE_CHECK:
126 case ACPI_POWERSOURCE_STAT_CHANGE:
127 /* Temporarily. It is better to notify policy manager */
128 AcpiOsQueueForExecution(OSD_PRIORITY_LO, acpi_acad_get_status, context);
129 break;
130 default:
131 device_printf(dev, "unknown notify %#x\n", notify);
132 break;
133 }
134}
135
136static int
137acpi_acad_probe(device_t dev)
138{
139 static char *acad_ids[] = { "ACPI0003", NULL };
140
141 if (acpi_disabled("acad") ||
142 ACPI_ID_PROBE(device_get_parent(dev), dev, acad_ids) == NULL)
143 return (ENXIO);
144
145 device_set_desc(dev, "AC Adapter");
146 return (0);
147}
148
149static int
150acpi_acad_attach(device_t dev)
151{
152 struct acpi_acad_softc *sc;
153 struct acpi_softc *acpi_sc;
154 ACPI_HANDLE handle;
155 int error;
156
157 sc = device_get_softc(dev);
158 handle = acpi_get_handle(dev);
159
160 error = acpi_register_ioctl(ACPIIO_ACAD_GET_STATUS, acpi_acad_ioctl, dev);
161 if (error != 0)
162 return (error);
163
164 if (device_get_unit(dev) == 0) {
165 acpi_sc = acpi_device_get_parent_softc(dev);
166 SYSCTL_ADD_PROC(&acpi_sc->acpi_sysctl_ctx,
167 SYSCTL_CHILDREN(acpi_sc->acpi_sysctl_tree),
168 OID_AUTO, "acline", CTLTYPE_INT | CTLFLAG_RD,
169 &sc->status, 0, acpi_acad_sysctl, "I", "");
170 }
171
172 /* Get initial status after whole system is up. */
173 sc->status = -1;
174
175 /*
176 * Install both system and device notify handlers since the Casio
177 * FIVA needs them.
178 */
179 AcpiInstallNotifyHandler(handle, ACPI_ALL_NOTIFY,
180 acpi_acad_notify_handler, dev);
181 AcpiOsQueueForExecution(OSD_PRIORITY_LO, acpi_acad_init_acline, dev);
182
183 return (0);
184}
185
186static int
187acpi_acad_ioctl(u_long cmd, caddr_t addr, void *arg)
188{
189 struct acpi_acad_softc *sc;
190 device_t dev;
191
192 dev = (device_t)arg;
193 sc = device_get_softc(dev);
194
195 /*
196 * No security check required: information retrieval only. If
197 * new functions are added here, a check might be required.
198 */
199 switch (cmd) {
200 case ACPIIO_ACAD_GET_STATUS:
201 acpi_acad_get_status(dev);
202 *(int *)addr = sc->status;
203 break;
204 default:
205 break;
206 }
207
208 return (0);
209}
210
211static int
212acpi_acad_sysctl(SYSCTL_HANDLER_ARGS)
213{
214 int val, error;
215
216 if (acpi_acad_get_acline(&val) != 0)
217 return (ENXIO);
218
219 val = *(u_int *)oidp->oid_arg1;
220 error = sysctl_handle_int(oidp, &val, 0, req);
221 return (error);
222}
223
224static void
225acpi_acad_init_acline(void *arg)
226{
227 struct acpi_acad_softc *sc;
228 device_t dev;
229 int retry;
230
231 dev = (device_t)arg;
232 sc = device_get_softc(dev);
233 ACPI_VPRINT(dev, acpi_device_get_parent_softc(dev),
234 "acline initialization start\n");
235
236 for (retry = 0; retry < ACPI_ACAD_RETRY_MAX; retry++) {
237 acpi_acad_get_status(dev);
238 if (sc->status != -1)
239 break;
240 AcpiOsSleep(10000);
241 }
242
243 ACPI_VPRINT(dev, acpi_device_get_parent_softc(dev),
244 "acline initialization done, tried %d times\n", retry + 1);
245}
246
247/*
248 * Public interfaces.
249 */
250int
251acpi_acad_get_acline(int *status)
252{
253 struct acpi_acad_softc *sc;
254 device_t dev;
255
256 dev = devclass_get_device(acpi_acad_devclass, 0);
257 if (dev == NULL)
258 return (ENXIO);
259 sc = device_get_softc(dev);
260
261 acpi_acad_get_status(dev);
262 *status = sc->status;
263
264 return (0);
265}
| 44#include <dev/acpica/acpivar.h>
45#include <dev/acpica/acpiio.h>
46#include <isa/isavar.h>
47#include <isa/pnpvar.h>
48
49/* Hooks for the ACPI CA debugging infrastructure */
50#define _COMPONENT ACPI_AC_ADAPTER
51ACPI_MODULE_NAME("AC_ADAPTER")
52
53/* Number of times to retry initialization before giving up. */
54#define ACPI_ACAD_RETRY_MAX 6
55
56#define ACPI_POWERSOURCE_STAT_CHANGE 0x80
57
58struct acpi_acad_softc {
59 int status;
60};
61
62static void acpi_acad_get_status(void *);
63static void acpi_acad_notify_handler(ACPI_HANDLE, UINT32, void *);
64static int acpi_acad_probe(device_t);
65static int acpi_acad_attach(device_t);
66static int acpi_acad_ioctl(u_long, caddr_t, void *);
67static int acpi_acad_sysctl(SYSCTL_HANDLER_ARGS);
68static void acpi_acad_init_acline(void *arg);
69
70static device_method_t acpi_acad_methods[] = {
71 /* Device interface */
72 DEVMETHOD(device_probe, acpi_acad_probe),
73 DEVMETHOD(device_attach, acpi_acad_attach),
74
75 {0, 0}
76};
77
78static driver_t acpi_acad_driver = {
79 "acpi_acad",
80 acpi_acad_methods,
81 sizeof(struct acpi_acad_softc),
82};
83
84static devclass_t acpi_acad_devclass;
85DRIVER_MODULE(acpi_acad, acpi, acpi_acad_driver, acpi_acad_devclass, 0, 0);
86MODULE_DEPEND(acpi_acad, acpi, 1, 1, 1);
87
88ACPI_SERIAL_DECL(acad, "ACPI AC adapter");
89
90static void
91acpi_acad_get_status(void *context)
92{
93 struct acpi_acad_softc *sc;
94 device_t dev;
95 ACPI_HANDLE h;
96 int newstatus;
97
98 dev = context;
99 sc = device_get_softc(dev);
100 h = acpi_get_handle(dev);
101 newstatus = -1;
102 acpi_GetInteger(h, "_PSR", &newstatus);
103
104 /* If status is valid and has changed, notify the system. */
105 ACPI_SERIAL_BEGIN(acad);
106 if (newstatus != -1 && sc->status != newstatus) {
107 sc->status = newstatus;
108 power_profile_set_state(newstatus ? POWER_PROFILE_PERFORMANCE :
109 POWER_PROFILE_ECONOMY);
110 ACPI_VPRINT(dev, acpi_device_get_parent_softc(dev),
111 "%s Line\n", newstatus ? "On" : "Off");
112 acpi_UserNotify("ACAD", h, newstatus);
113 }
114 ACPI_SERIAL_END(acad);
115}
116
117static void
118acpi_acad_notify_handler(ACPI_HANDLE h, UINT32 notify, void *context)
119{
120 device_t dev;
121
122 dev = (device_t)context;
123 switch (notify) {
124 case ACPI_NOTIFY_BUS_CHECK:
125 case ACPI_NOTIFY_DEVICE_CHECK:
126 case ACPI_POWERSOURCE_STAT_CHANGE:
127 /* Temporarily. It is better to notify policy manager */
128 AcpiOsQueueForExecution(OSD_PRIORITY_LO, acpi_acad_get_status, context);
129 break;
130 default:
131 device_printf(dev, "unknown notify %#x\n", notify);
132 break;
133 }
134}
135
136static int
137acpi_acad_probe(device_t dev)
138{
139 static char *acad_ids[] = { "ACPI0003", NULL };
140
141 if (acpi_disabled("acad") ||
142 ACPI_ID_PROBE(device_get_parent(dev), dev, acad_ids) == NULL)
143 return (ENXIO);
144
145 device_set_desc(dev, "AC Adapter");
146 return (0);
147}
148
149static int
150acpi_acad_attach(device_t dev)
151{
152 struct acpi_acad_softc *sc;
153 struct acpi_softc *acpi_sc;
154 ACPI_HANDLE handle;
155 int error;
156
157 sc = device_get_softc(dev);
158 handle = acpi_get_handle(dev);
159
160 error = acpi_register_ioctl(ACPIIO_ACAD_GET_STATUS, acpi_acad_ioctl, dev);
161 if (error != 0)
162 return (error);
163
164 if (device_get_unit(dev) == 0) {
165 acpi_sc = acpi_device_get_parent_softc(dev);
166 SYSCTL_ADD_PROC(&acpi_sc->acpi_sysctl_ctx,
167 SYSCTL_CHILDREN(acpi_sc->acpi_sysctl_tree),
168 OID_AUTO, "acline", CTLTYPE_INT | CTLFLAG_RD,
169 &sc->status, 0, acpi_acad_sysctl, "I", "");
170 }
171
172 /* Get initial status after whole system is up. */
173 sc->status = -1;
174
175 /*
176 * Install both system and device notify handlers since the Casio
177 * FIVA needs them.
178 */
179 AcpiInstallNotifyHandler(handle, ACPI_ALL_NOTIFY,
180 acpi_acad_notify_handler, dev);
181 AcpiOsQueueForExecution(OSD_PRIORITY_LO, acpi_acad_init_acline, dev);
182
183 return (0);
184}
185
186static int
187acpi_acad_ioctl(u_long cmd, caddr_t addr, void *arg)
188{
189 struct acpi_acad_softc *sc;
190 device_t dev;
191
192 dev = (device_t)arg;
193 sc = device_get_softc(dev);
194
195 /*
196 * No security check required: information retrieval only. If
197 * new functions are added here, a check might be required.
198 */
199 switch (cmd) {
200 case ACPIIO_ACAD_GET_STATUS:
201 acpi_acad_get_status(dev);
202 *(int *)addr = sc->status;
203 break;
204 default:
205 break;
206 }
207
208 return (0);
209}
210
211static int
212acpi_acad_sysctl(SYSCTL_HANDLER_ARGS)
213{
214 int val, error;
215
216 if (acpi_acad_get_acline(&val) != 0)
217 return (ENXIO);
218
219 val = *(u_int *)oidp->oid_arg1;
220 error = sysctl_handle_int(oidp, &val, 0, req);
221 return (error);
222}
223
224static void
225acpi_acad_init_acline(void *arg)
226{
227 struct acpi_acad_softc *sc;
228 device_t dev;
229 int retry;
230
231 dev = (device_t)arg;
232 sc = device_get_softc(dev);
233 ACPI_VPRINT(dev, acpi_device_get_parent_softc(dev),
234 "acline initialization start\n");
235
236 for (retry = 0; retry < ACPI_ACAD_RETRY_MAX; retry++) {
237 acpi_acad_get_status(dev);
238 if (sc->status != -1)
239 break;
240 AcpiOsSleep(10000);
241 }
242
243 ACPI_VPRINT(dev, acpi_device_get_parent_softc(dev),
244 "acline initialization done, tried %d times\n", retry + 1);
245}
246
247/*
248 * Public interfaces.
249 */
250int
251acpi_acad_get_acline(int *status)
252{
253 struct acpi_acad_softc *sc;
254 device_t dev;
255
256 dev = devclass_get_device(acpi_acad_devclass, 0);
257 if (dev == NULL)
258 return (ENXIO);
259 sc = device_get_softc(dev);
260
261 acpi_acad_get_status(dev);
262 *status = sc->status;
263
264 return (0);
265}
|