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acpi_powerres.c (128047) acpi_powerres.c (128248)
1/*-
2 * Copyright (c) 2001 Michael Smith
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

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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 Michael Smith
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

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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/dev/acpica/acpi_powerres.c 128047 2004-04-09 06:55:50Z njl $");
28__FBSDID("$FreeBSD: head/sys/dev/acpica/acpi_powerres.c 128248 2004-04-14 17:47:42Z njl $");
29
30#include "opt_acpi.h"
31#include <sys/param.h>
32#include <sys/kernel.h>
33#include <sys/malloc.h>
34#include <sys/bus.h>
35
36#include "acpi.h"

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92};
93
94static TAILQ_HEAD(acpi_powerresource_list, acpi_powerresource)
95 acpi_powerresources;
96static TAILQ_HEAD(acpi_powerconsumer_list, acpi_powerconsumer)
97 acpi_powerconsumers;
98
99static ACPI_STATUS acpi_pwr_register_consumer(ACPI_HANDLE consumer);
29
30#include "opt_acpi.h"
31#include <sys/param.h>
32#include <sys/kernel.h>
33#include <sys/malloc.h>
34#include <sys/bus.h>
35
36#include "acpi.h"

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92};
93
94static TAILQ_HEAD(acpi_powerresource_list, acpi_powerresource)
95 acpi_powerresources;
96static TAILQ_HEAD(acpi_powerconsumer_list, acpi_powerconsumer)
97 acpi_powerconsumers;
98
99static ACPI_STATUS acpi_pwr_register_consumer(ACPI_HANDLE consumer);
100#ifdef notyet
100static ACPI_STATUS acpi_pwr_deregister_consumer(ACPI_HANDLE consumer);
101static ACPI_STATUS acpi_pwr_deregister_consumer(ACPI_HANDLE consumer);
102#endif /* notyet */
101static ACPI_STATUS acpi_pwr_register_resource(ACPI_HANDLE res);
103static ACPI_STATUS acpi_pwr_register_resource(ACPI_HANDLE res);
104#ifdef notyet
102static ACPI_STATUS acpi_pwr_deregister_resource(ACPI_HANDLE res);
105static ACPI_STATUS acpi_pwr_deregister_resource(ACPI_HANDLE res);
106#endif /* notyet */
103static void acpi_pwr_reference_resource(ACPI_OBJECT *obj,
104 void *arg);
105static ACPI_STATUS acpi_pwr_switch_power(void);
106static struct acpi_powerresource
107 *acpi_pwr_find_resource(ACPI_HANDLE res);
108static struct acpi_powerconsumer
109 *acpi_pwr_find_consumer(ACPI_HANDLE consumer);
110

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186 out:
187 if (buf.Pointer != NULL)
188 AcpiOsFree(buf.Pointer);
189 if (ACPI_FAILURE(status) && rp != NULL)
190 free(rp, M_ACPIPWR);
191 return_ACPI_STATUS (status);
192}
193
107static void acpi_pwr_reference_resource(ACPI_OBJECT *obj,
108 void *arg);
109static ACPI_STATUS acpi_pwr_switch_power(void);
110static struct acpi_powerresource
111 *acpi_pwr_find_resource(ACPI_HANDLE res);
112static struct acpi_powerconsumer
113 *acpi_pwr_find_consumer(ACPI_HANDLE consumer);
114

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190 out:
191 if (buf.Pointer != NULL)
192 AcpiOsFree(buf.Pointer);
193 if (ACPI_FAILURE(status) && rp != NULL)
194 free(rp, M_ACPIPWR);
195 return_ACPI_STATUS (status);
196}
197
198#ifdef notyet
194/*
195 * Deregister a power resource.
196 */
197static ACPI_STATUS
198acpi_pwr_deregister_resource(ACPI_HANDLE res)
199{
200 struct acpi_powerresource *rp;
201

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215 TAILQ_REMOVE(&acpi_powerresources, rp, ap_link);
216 free(rp, M_ACPIPWR);
217
218 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "deregistered power resource %s\n",
219 acpi_name(res)));
220
221 return_ACPI_STATUS (AE_OK);
222}
199/*
200 * Deregister a power resource.
201 */
202static ACPI_STATUS
203acpi_pwr_deregister_resource(ACPI_HANDLE res)
204{
205 struct acpi_powerresource *rp;
206

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220 TAILQ_REMOVE(&acpi_powerresources, rp, ap_link);
221 free(rp, M_ACPIPWR);
222
223 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "deregistered power resource %s\n",
224 acpi_name(res)));
225
226 return_ACPI_STATUS (AE_OK);
227}
228#endif /* notyet */
223
224/*
225 * Register a power consumer.
226 *
227 * It's OK to call this if we already know about the consumer.
228 */
229static ACPI_STATUS
230acpi_pwr_register_consumer(ACPI_HANDLE consumer)

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248 pc->ac_state = ACPI_STATE_UNKNOWN;
249
250 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "registered power consumer %s\n",
251 acpi_name(consumer)));
252
253 return_ACPI_STATUS (AE_OK);
254}
255
229
230/*
231 * Register a power consumer.
232 *
233 * It's OK to call this if we already know about the consumer.
234 */
235static ACPI_STATUS
236acpi_pwr_register_consumer(ACPI_HANDLE consumer)

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254 pc->ac_state = ACPI_STATE_UNKNOWN;
255
256 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "registered power consumer %s\n",
257 acpi_name(consumer)));
258
259 return_ACPI_STATUS (AE_OK);
260}
261
262#ifdef notyet
256/*
257 * Deregister a power consumer.
258 *
259 * This should only be done once the consumer has been powered off.
260 * (XXX is this correct? Check once implemented)
261 */
262static ACPI_STATUS
263acpi_pwr_deregister_consumer(ACPI_HANDLE consumer)

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277 /* Pull the consumer off the list and free it */
278 TAILQ_REMOVE(&acpi_powerconsumers, pc, ac_link);
279
280 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "deregistered power consumer %s\n",
281 acpi_name(consumer)));
282
283 return_ACPI_STATUS (AE_OK);
284}
263/*
264 * Deregister a power consumer.
265 *
266 * This should only be done once the consumer has been powered off.
267 * (XXX is this correct? Check once implemented)
268 */
269static ACPI_STATUS
270acpi_pwr_deregister_consumer(ACPI_HANDLE consumer)

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284 /* Pull the consumer off the list and free it */
285 TAILQ_REMOVE(&acpi_powerconsumers, pc, ac_link);
286
287 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "deregistered power consumer %s\n",
288 acpi_name(consumer)));
289
290 return_ACPI_STATUS (AE_OK);
291}
292#endif /* notyet */
285
286/*
287 * Set a power consumer to a particular power state.
288 */
289ACPI_STATUS
290acpi_pwr_switch_consumer(ACPI_HANDLE consumer, int state)
291{
292 struct acpi_powerconsumer *pc;

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294/*
295 * Set a power consumer to a particular power state.
296 */
297ACPI_STATUS
298acpi_pwr_switch_consumer(ACPI_HANDLE consumer, int state)
299{
300 struct acpi_powerconsumer *pc;

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