acpi.c revision 1.28 1 1.28 fvdl /* $NetBSD: acpi.c,v 1.28 2003/01/07 18:46:48 fvdl Exp $ */
2 1.1 thorpej
3 1.1 thorpej /*
4 1.1 thorpej * Copyright 2001 Wasabi Systems, Inc.
5 1.1 thorpej * All rights reserved.
6 1.1 thorpej *
7 1.1 thorpej * Written by Jason R. Thorpe for Wasabi Systems, Inc.
8 1.1 thorpej *
9 1.1 thorpej * Redistribution and use in source and binary forms, with or without
10 1.1 thorpej * modification, are permitted provided that the following conditions
11 1.1 thorpej * are met:
12 1.1 thorpej * 1. Redistributions of source code must retain the above copyright
13 1.1 thorpej * notice, this list of conditions and the following disclaimer.
14 1.1 thorpej * 2. Redistributions in binary form must reproduce the above copyright
15 1.1 thorpej * notice, this list of conditions and the following disclaimer in the
16 1.1 thorpej * documentation and/or other materials provided with the distribution.
17 1.1 thorpej * 3. All advertising materials mentioning features or use of this software
18 1.1 thorpej * must display the following acknowledgement:
19 1.1 thorpej * This product includes software developed for the NetBSD Project by
20 1.1 thorpej * Wasabi Systems, Inc.
21 1.1 thorpej * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 1.1 thorpej * or promote products derived from this software without specific prior
23 1.1 thorpej * written permission.
24 1.1 thorpej *
25 1.1 thorpej * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 1.1 thorpej * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 1.1 thorpej * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 1.1 thorpej * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
29 1.1 thorpej * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 1.1 thorpej * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 1.1 thorpej * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 1.1 thorpej * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 1.1 thorpej * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 1.1 thorpej * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 1.1 thorpej * POSSIBILITY OF SUCH DAMAGE.
36 1.1 thorpej */
37 1.1 thorpej
38 1.1 thorpej /*
39 1.1 thorpej * Autoconfiguration support for the Intel ACPI Component Architecture
40 1.1 thorpej * ACPI reference implementation.
41 1.1 thorpej */
42 1.5 lukem
43 1.5 lukem #include <sys/cdefs.h>
44 1.28 fvdl __KERNEL_RCSID(0, "$NetBSD: acpi.c,v 1.28 2003/01/07 18:46:48 fvdl Exp $");
45 1.27 christos
46 1.27 christos #include "opt_acpi.h"
47 1.1 thorpej
48 1.1 thorpej #include <sys/param.h>
49 1.1 thorpej #include <sys/systm.h>
50 1.1 thorpej #include <sys/device.h>
51 1.1 thorpej #include <sys/malloc.h>
52 1.1 thorpej
53 1.1 thorpej #include <dev/acpi/acpica.h>
54 1.1 thorpej #include <dev/acpi/acpireg.h>
55 1.1 thorpej #include <dev/acpi/acpivar.h>
56 1.1 thorpej #include <dev/acpi/acpi_osd.h>
57 1.27 christos #ifdef ACPIVERBOSE
58 1.27 christos #include <dev/acpi/acpidevs_data.h>
59 1.27 christos #endif
60 1.1 thorpej
61 1.13 augustss #ifndef ACPI_PCI_FIXUP
62 1.13 augustss #define ACPI_PCI_FIXUP 1
63 1.13 augustss #endif
64 1.13 augustss
65 1.15 augustss #ifndef ACPI_ACTIVATE_DEV
66 1.15 augustss #define ACPI_ACTIVATE_DEV 0
67 1.15 augustss #endif
68 1.15 augustss
69 1.13 augustss #if ACPI_PCI_FIXUP
70 1.13 augustss #include <dev/acpi/acpica/Subsystem/acnamesp.h> /* AcpiNsGetNodeByPath() */
71 1.13 augustss #include <dev/pci/pcidevs.h>
72 1.13 augustss #endif
73 1.13 augustss
74 1.10 tshiozak #include <machine/acpi_machdep.h>
75 1.10 tshiozak
76 1.1 thorpej #ifdef ENABLE_DEBUGGER
77 1.1 thorpej #define ACPI_DBGR_INIT 0x01
78 1.1 thorpej #define ACPI_DBGR_TABLES 0x02
79 1.1 thorpej #define ACPI_DBGR_ENABLE 0x04
80 1.1 thorpej #define ACPI_DBGR_PROBE 0x08
81 1.1 thorpej #define ACPI_DBGR_RUNNING 0x10
82 1.1 thorpej
83 1.1 thorpej int acpi_dbgr = 0x00;
84 1.1 thorpej #endif
85 1.1 thorpej
86 1.1 thorpej int acpi_match(struct device *, struct cfdata *, void *);
87 1.1 thorpej void acpi_attach(struct device *, struct device *, void *);
88 1.1 thorpej
89 1.1 thorpej int acpi_print(void *aux, const char *);
90 1.1 thorpej
91 1.1 thorpej extern struct cfdriver acpi_cd;
92 1.1 thorpej
93 1.17 thorpej CFATTACH_DECL(acpi, sizeof(struct acpi_softc),
94 1.18 thorpej acpi_match, acpi_attach, NULL, NULL);
95 1.1 thorpej
96 1.1 thorpej /*
97 1.1 thorpej * This is a flag we set when the ACPI subsystem is active. Machine
98 1.1 thorpej * dependent code may wish to skip other steps (such as attaching
99 1.1 thorpej * subsystems that ACPI supercedes) when ACPI is active.
100 1.1 thorpej */
101 1.1 thorpej int acpi_active;
102 1.1 thorpej
103 1.1 thorpej /*
104 1.1 thorpej * Pointer to the ACPI subsystem's state. There can be only
105 1.1 thorpej * one ACPI instance.
106 1.1 thorpej */
107 1.1 thorpej struct acpi_softc *acpi_softc;
108 1.1 thorpej
109 1.1 thorpej void acpi_shutdown(void *);
110 1.1 thorpej ACPI_STATUS acpi_disable(struct acpi_softc *sc);
111 1.1 thorpej void acpi_build_tree(struct acpi_softc *);
112 1.1 thorpej ACPI_STATUS acpi_make_devnode(ACPI_HANDLE, UINT32, void *, void **);
113 1.1 thorpej
114 1.1 thorpej void acpi_enable_fixed_events(struct acpi_softc *);
115 1.13 augustss #if ACPI_PCI_FIXUP
116 1.13 augustss void acpi_pci_fixup(struct acpi_softc *);
117 1.15 augustss #endif
118 1.15 augustss #if ACPI_PCI_FIXUP || ACPI_ACTIVATE_DEV
119 1.13 augustss ACPI_STATUS acpi_allocate_resources(ACPI_HANDLE handle);
120 1.13 augustss #endif
121 1.1 thorpej
122 1.1 thorpej /*
123 1.1 thorpej * acpi_probe:
124 1.1 thorpej *
125 1.1 thorpej * Probe for ACPI support. This is called by the
126 1.1 thorpej * machine-dependent ACPI front-end. All of the
127 1.1 thorpej * actual work is done by ACPICA.
128 1.1 thorpej *
129 1.1 thorpej * NOTE: This is not an autoconfiguration interface function.
130 1.1 thorpej */
131 1.1 thorpej int
132 1.1 thorpej acpi_probe(void)
133 1.1 thorpej {
134 1.1 thorpej static int beenhere;
135 1.1 thorpej ACPI_STATUS rv;
136 1.1 thorpej
137 1.1 thorpej if (beenhere != 0)
138 1.1 thorpej panic("acpi_probe: ACPI has already been probed");
139 1.1 thorpej beenhere = 1;
140 1.1 thorpej
141 1.1 thorpej /*
142 1.1 thorpej * Start up ACPICA.
143 1.1 thorpej */
144 1.1 thorpej #ifdef ENABLE_DEBUGGER
145 1.1 thorpej if (acpi_dbgr & ACPI_DBGR_INIT)
146 1.1 thorpej acpi_osd_debugger();
147 1.1 thorpej #endif
148 1.1 thorpej
149 1.1 thorpej rv = AcpiInitializeSubsystem();
150 1.1 thorpej if (rv != AE_OK) {
151 1.1 thorpej printf("ACPI: unable to initialize ACPICA: %d\n", rv);
152 1.1 thorpej return (0);
153 1.1 thorpej }
154 1.1 thorpej
155 1.1 thorpej #ifdef ENABLE_DEBUGGER
156 1.1 thorpej if (acpi_dbgr & ACPI_DBGR_TABLES)
157 1.1 thorpej acpi_osd_debugger();
158 1.1 thorpej #endif
159 1.1 thorpej
160 1.1 thorpej rv = AcpiLoadTables();
161 1.1 thorpej if (rv != AE_OK) {
162 1.1 thorpej printf("ACPI: unable to load tables: %d\n", rv);
163 1.1 thorpej return (0);
164 1.1 thorpej }
165 1.1 thorpej
166 1.1 thorpej /*
167 1.1 thorpej * Looks like we have ACPI!
168 1.1 thorpej */
169 1.1 thorpej
170 1.1 thorpej return (1);
171 1.1 thorpej }
172 1.1 thorpej
173 1.1 thorpej /*
174 1.1 thorpej * acpi_match:
175 1.1 thorpej *
176 1.1 thorpej * Autoconfiguration `match' routine.
177 1.1 thorpej */
178 1.1 thorpej int
179 1.1 thorpej acpi_match(struct device *parent, struct cfdata *match, void *aux)
180 1.1 thorpej {
181 1.1 thorpej struct acpibus_attach_args *aa = aux;
182 1.1 thorpej
183 1.1 thorpej if (strcmp(aa->aa_busname, acpi_cd.cd_name) != 0)
184 1.1 thorpej return (0);
185 1.1 thorpej
186 1.1 thorpej /*
187 1.1 thorpej * XXX Check other locators? Hard to know -- machine
188 1.1 thorpej * dependent code has already checked for the presence
189 1.1 thorpej * of ACPI by calling acpi_probe(), so I suppose we
190 1.1 thorpej * don't really have to do anything else.
191 1.1 thorpej */
192 1.1 thorpej return (1);
193 1.1 thorpej }
194 1.1 thorpej
195 1.1 thorpej /*
196 1.1 thorpej * acpi_attach:
197 1.1 thorpej *
198 1.1 thorpej * Autoconfiguration `attach' routine. Finish initializing
199 1.1 thorpej * ACPICA (some initialization was done in acpi_probe(),
200 1.1 thorpej * which was required to check for the presence of ACPI),
201 1.1 thorpej * and enable the ACPI subsystem.
202 1.1 thorpej */
203 1.1 thorpej void
204 1.1 thorpej acpi_attach(struct device *parent, struct device *self, void *aux)
205 1.1 thorpej {
206 1.1 thorpej struct acpi_softc *sc = (void *) self;
207 1.1 thorpej struct acpibus_attach_args *aa = aux;
208 1.1 thorpej ACPI_STATUS rv;
209 1.1 thorpej
210 1.1 thorpej printf("\n");
211 1.1 thorpej
212 1.1 thorpej if (acpi_softc != NULL)
213 1.1 thorpej panic("acpi_attach: ACPI has already been attached");
214 1.1 thorpej
215 1.1 thorpej sc->sc_iot = aa->aa_iot;
216 1.1 thorpej sc->sc_memt = aa->aa_memt;
217 1.1 thorpej sc->sc_pc = aa->aa_pc;
218 1.1 thorpej sc->sc_pciflags = aa->aa_pciflags;
219 1.19 jmcneill sc->sc_ic = aa->aa_ic;
220 1.1 thorpej
221 1.1 thorpej acpi_softc = sc;
222 1.1 thorpej
223 1.1 thorpej /*
224 1.1 thorpej * Install the default address space handlers.
225 1.1 thorpej */
226 1.1 thorpej
227 1.1 thorpej rv = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT,
228 1.1 thorpej ACPI_ADR_SPACE_SYSTEM_MEMORY, ACPI_DEFAULT_HANDLER, NULL, NULL);
229 1.1 thorpej if (rv != AE_OK) {
230 1.1 thorpej printf("%s: unable to install SYSTEM MEMORY handler: %d\n",
231 1.1 thorpej sc->sc_dev.dv_xname, rv);
232 1.1 thorpej return;
233 1.1 thorpej }
234 1.1 thorpej
235 1.1 thorpej rv = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT,
236 1.1 thorpej ACPI_ADR_SPACE_SYSTEM_IO, ACPI_DEFAULT_HANDLER, NULL, NULL);
237 1.1 thorpej if (rv != AE_OK) {
238 1.1 thorpej printf("%s: unable to install SYSTEM IO handler: %d\n",
239 1.1 thorpej sc->sc_dev.dv_xname, rv);
240 1.1 thorpej return;
241 1.1 thorpej }
242 1.1 thorpej
243 1.1 thorpej rv = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT,
244 1.1 thorpej ACPI_ADR_SPACE_PCI_CONFIG, ACPI_DEFAULT_HANDLER, NULL, NULL);
245 1.1 thorpej if (rv != AE_OK) {
246 1.1 thorpej printf("%s: unable to install PCI CONFIG handler: %d\n",
247 1.1 thorpej sc->sc_dev.dv_xname, rv);
248 1.1 thorpej return;
249 1.1 thorpej }
250 1.1 thorpej
251 1.1 thorpej /*
252 1.1 thorpej * Bring ACPI on-line.
253 1.1 thorpej *
254 1.1 thorpej * Note that we request that _STA (device init) and _INI (object init)
255 1.1 thorpej * methods not be run.
256 1.1 thorpej *
257 1.1 thorpej * XXX We need to arrange for the object init pass after we have
258 1.1 thorpej * XXX attached all of our children.
259 1.1 thorpej */
260 1.1 thorpej #ifdef ENABLE_DEBUGGER
261 1.1 thorpej if (acpi_dbgr & ACPI_DBGR_ENABLE)
262 1.1 thorpej acpi_osd_debugger();
263 1.1 thorpej #endif
264 1.1 thorpej rv = AcpiEnableSubsystem(ACPI_NO_DEVICE_INIT | ACPI_NO_OBJECT_INIT);
265 1.1 thorpej if (rv != AE_OK) {
266 1.1 thorpej printf("%s: unable to enable ACPI: %d\n",
267 1.1 thorpej sc->sc_dev.dv_xname, rv);
268 1.1 thorpej return;
269 1.1 thorpej }
270 1.1 thorpej acpi_active = 1;
271 1.1 thorpej
272 1.1 thorpej /*
273 1.1 thorpej * Set up the default sleep state to enter when various
274 1.1 thorpej * switches are activated.
275 1.1 thorpej */
276 1.1 thorpej sc->sc_switch_sleep[ACPI_SWITCH_POWERBUTTON] = ACPI_STATE_S5;
277 1.1 thorpej sc->sc_switch_sleep[ACPI_SWITCH_SLEEPBUTTON] = ACPI_STATE_S1;
278 1.1 thorpej sc->sc_switch_sleep[ACPI_SWITCH_LID] = ACPI_STATE_S1;
279 1.1 thorpej
280 1.1 thorpej /* Our current state is "awake". */
281 1.1 thorpej sc->sc_sleepstate = ACPI_STATE_S0;
282 1.1 thorpej
283 1.9 kanaoka /* Show SCI interrupt. */
284 1.9 kanaoka if (AcpiGbl_FADT != NULL)
285 1.9 kanaoka printf("%s: SCI interrupting at irq %d\n",
286 1.9 kanaoka sc->sc_dev.dv_xname, AcpiGbl_FADT->SciInt);
287 1.1 thorpej /*
288 1.1 thorpej * Check for fixed-hardware features.
289 1.1 thorpej */
290 1.1 thorpej acpi_enable_fixed_events(sc);
291 1.1 thorpej
292 1.1 thorpej /*
293 1.13 augustss * Fix up PCI devices.
294 1.13 augustss */
295 1.13 augustss #if ACPI_PCI_FIXUP
296 1.13 augustss acpi_pci_fixup(sc);
297 1.13 augustss #endif
298 1.13 augustss
299 1.13 augustss /*
300 1.1 thorpej * Scan the namespace and build our device tree.
301 1.1 thorpej */
302 1.1 thorpej #ifdef ENABLE_DEBUGGER
303 1.1 thorpej if (acpi_dbgr & ACPI_DBGR_PROBE)
304 1.1 thorpej acpi_osd_debugger();
305 1.1 thorpej #endif
306 1.28 fvdl acpi_md_callback((struct device *)sc);
307 1.1 thorpej acpi_build_tree(sc);
308 1.1 thorpej
309 1.1 thorpej /*
310 1.1 thorpej * Register a shutdown hook that disables certain ACPI
311 1.1 thorpej * events that might happen and confuse us while we're
312 1.1 thorpej * trying to shut down.
313 1.1 thorpej */
314 1.1 thorpej sc->sc_sdhook = shutdownhook_establish(acpi_shutdown, sc);
315 1.1 thorpej if (sc->sc_sdhook == NULL)
316 1.1 thorpej printf("%s: WARNING: unable to register shutdown hook\n",
317 1.1 thorpej sc->sc_dev.dv_xname);
318 1.1 thorpej
319 1.1 thorpej #ifdef ENABLE_DEBUGGER
320 1.1 thorpej if (acpi_dbgr & ACPI_DBGR_RUNNING)
321 1.1 thorpej acpi_osd_debugger();
322 1.1 thorpej #endif
323 1.1 thorpej }
324 1.1 thorpej
325 1.1 thorpej /*
326 1.1 thorpej * acpi_shutdown:
327 1.1 thorpej *
328 1.1 thorpej * Shutdown hook for ACPI -- disable some events that
329 1.1 thorpej * might confuse us.
330 1.1 thorpej */
331 1.1 thorpej void
332 1.1 thorpej acpi_shutdown(void *arg)
333 1.1 thorpej {
334 1.1 thorpej struct acpi_softc *sc = arg;
335 1.1 thorpej
336 1.1 thorpej if (acpi_disable(sc) != AE_OK)
337 1.1 thorpej printf("%s: WARNING: unable to disable ACPI\n",
338 1.1 thorpej sc->sc_dev.dv_xname);
339 1.1 thorpej }
340 1.1 thorpej
341 1.1 thorpej /*
342 1.1 thorpej * acpi_disable:
343 1.1 thorpej *
344 1.1 thorpej * Disable ACPI.
345 1.1 thorpej */
346 1.1 thorpej ACPI_STATUS
347 1.1 thorpej acpi_disable(struct acpi_softc *sc)
348 1.1 thorpej {
349 1.1 thorpej ACPI_STATUS rv = AE_OK;
350 1.1 thorpej
351 1.1 thorpej if (acpi_active) {
352 1.1 thorpej rv = AcpiDisable();
353 1.1 thorpej if (rv == AE_OK)
354 1.1 thorpej acpi_active = 0;
355 1.1 thorpej }
356 1.1 thorpej return (rv);
357 1.1 thorpej }
358 1.1 thorpej
359 1.1 thorpej struct acpi_make_devnode_state {
360 1.1 thorpej struct acpi_softc *softc;
361 1.1 thorpej struct acpi_scope *scope;
362 1.1 thorpej };
363 1.1 thorpej
364 1.1 thorpej /*
365 1.1 thorpej * acpi_build_tree:
366 1.1 thorpej *
367 1.1 thorpej * Scan relevant portions of the ACPI namespace and attach
368 1.1 thorpej * child devices.
369 1.1 thorpej */
370 1.1 thorpej void
371 1.1 thorpej acpi_build_tree(struct acpi_softc *sc)
372 1.1 thorpej {
373 1.1 thorpej static const char *scopes[] = {
374 1.1 thorpej "\\_PR_", /* ACPI 1.0 processor namespace */
375 1.1 thorpej "\\_SB_", /* system bus namespace */
376 1.1 thorpej "\\_SI_", /* system idicator namespace */
377 1.1 thorpej "\\_TZ_", /* ACPI 1.0 thermal zone namespace */
378 1.1 thorpej NULL,
379 1.1 thorpej };
380 1.1 thorpej struct acpi_attach_args aa;
381 1.1 thorpej struct acpi_make_devnode_state state;
382 1.1 thorpej struct acpi_scope *as;
383 1.1 thorpej struct acpi_devnode *ad;
384 1.1 thorpej ACPI_HANDLE parent;
385 1.1 thorpej int i;
386 1.1 thorpej
387 1.1 thorpej TAILQ_INIT(&sc->sc_scopes);
388 1.1 thorpej
389 1.1 thorpej state.softc = sc;
390 1.1 thorpej
391 1.1 thorpej /*
392 1.1 thorpej * Scan the namespace and build our tree.
393 1.1 thorpej */
394 1.1 thorpej for (i = 0; scopes[i] != NULL; i++) {
395 1.1 thorpej as = malloc(sizeof(*as), M_DEVBUF, M_WAITOK);
396 1.1 thorpej as->as_name = scopes[i];
397 1.1 thorpej TAILQ_INIT(&as->as_devnodes);
398 1.1 thorpej
399 1.1 thorpej TAILQ_INSERT_TAIL(&sc->sc_scopes, as, as_list);
400 1.1 thorpej
401 1.1 thorpej state.scope = as;
402 1.1 thorpej
403 1.1 thorpej if (AcpiGetHandle(ACPI_ROOT_OBJECT, (char *) scopes[i],
404 1.1 thorpej &parent) == AE_OK) {
405 1.1 thorpej AcpiWalkNamespace(ACPI_TYPE_ANY, parent, 100,
406 1.1 thorpej acpi_make_devnode, &state, NULL);
407 1.1 thorpej }
408 1.1 thorpej
409 1.1 thorpej /* Now, for this namespace, try and attach the devices. */
410 1.1 thorpej TAILQ_FOREACH(ad, &as->as_devnodes, ad_list) {
411 1.1 thorpej aa.aa_node = ad;
412 1.1 thorpej aa.aa_iot = sc->sc_iot;
413 1.1 thorpej aa.aa_memt = sc->sc_memt;
414 1.1 thorpej aa.aa_pc = sc->sc_pc;
415 1.1 thorpej aa.aa_pciflags = sc->sc_pciflags;
416 1.19 jmcneill aa.aa_ic = sc->sc_ic;
417 1.1 thorpej
418 1.25 jmcneill if (ad->ad_devinfo.Type == ACPI_TYPE_DEVICE) {
419 1.25 jmcneill /*
420 1.25 jmcneill * XXX We only attach devices which are:
421 1.25 jmcneill *
422 1.25 jmcneill * - present
423 1.25 jmcneill * - enabled
424 1.25 jmcneill * - functioning properly
425 1.25 jmcneill *
426 1.25 jmcneill * However, if enabled, it's decoding resources,
427 1.25 jmcneill * so we should claim them, if possible.
428 1.25 jmcneill * Requires changes to bus_space(9).
429 1.25 jmcneill */
430 1.25 jmcneill if ((ad->ad_devinfo.CurrentStatus &
431 1.25 jmcneill (ACPI_STA_DEV_PRESENT|ACPI_STA_DEV_ENABLED|
432 1.25 jmcneill ACPI_STA_DEV_OK)) !=
433 1.25 jmcneill (ACPI_STA_DEV_PRESENT|ACPI_STA_DEV_ENABLED|
434 1.25 jmcneill ACPI_STA_DEV_OK))
435 1.25 jmcneill continue;
436 1.25 jmcneill
437 1.25 jmcneill /*
438 1.25 jmcneill * XXX Same problem as above...
439 1.25 jmcneill */
440 1.25 jmcneill if ((ad->ad_devinfo.Valid & ACPI_VALID_HID)
441 1.25 jmcneill == 0)
442 1.25 jmcneill continue;
443 1.25 jmcneill }
444 1.1 thorpej
445 1.1 thorpej ad->ad_device = config_found(&sc->sc_dev,
446 1.1 thorpej &aa, acpi_print);
447 1.1 thorpej }
448 1.1 thorpej }
449 1.1 thorpej }
450 1.1 thorpej
451 1.15 augustss #if ACPI_ACTIVATE_DEV
452 1.15 augustss static void
453 1.15 augustss acpi_activate_device(ACPI_HANDLE handle, ACPI_DEVICE_INFO *di)
454 1.15 augustss {
455 1.15 augustss ACPI_STATUS rv;
456 1.15 augustss
457 1.15 augustss #ifdef ACPI_DEBUG
458 1.15 augustss printf("acpi_activate_device: %s, old status=%x\n",
459 1.15 augustss di->HardwareId, di->CurrentStatus);
460 1.15 augustss #endif
461 1.15 augustss
462 1.15 augustss rv = acpi_allocate_resources(handle);
463 1.15 augustss if (ACPI_FAILURE(rv)) {
464 1.15 augustss printf("acpi: activate failed for %s\n", di->HardwareId);
465 1.23 augustss } else {
466 1.23 augustss printf("acpi: activated %s\n", di->HardwareId);
467 1.15 augustss }
468 1.15 augustss
469 1.15 augustss (void)AcpiGetObjectInfo(handle, di);
470 1.15 augustss #ifdef ACPI_DEBUG
471 1.15 augustss printf("acpi_activate_device: %s, new status=%x\n",
472 1.15 augustss di->HardwareId, di->CurrentStatus);
473 1.15 augustss #endif
474 1.15 augustss }
475 1.15 augustss #endif /* ACPI_ACTIVATE_DEV */
476 1.15 augustss
477 1.1 thorpej /*
478 1.1 thorpej * acpi_make_devnode:
479 1.1 thorpej *
480 1.1 thorpej * Make an ACPI devnode.
481 1.1 thorpej */
482 1.1 thorpej ACPI_STATUS
483 1.1 thorpej acpi_make_devnode(ACPI_HANDLE handle, UINT32 level, void *context,
484 1.1 thorpej void **status)
485 1.1 thorpej {
486 1.1 thorpej struct acpi_make_devnode_state *state = context;
487 1.20 jmcneill #if defined(ACPI_DEBUG) || defined(ACPI_EXTRA_DEBUG)
488 1.1 thorpej struct acpi_softc *sc = state->softc;
489 1.4 thorpej #endif
490 1.1 thorpej struct acpi_scope *as = state->scope;
491 1.1 thorpej struct acpi_devnode *ad;
492 1.15 augustss ACPI_DEVICE_INFO devinfo;
493 1.1 thorpej ACPI_OBJECT_TYPE type;
494 1.1 thorpej ACPI_STATUS rv;
495 1.1 thorpej
496 1.1 thorpej if (AcpiGetType(handle, &type) == AE_OK) {
497 1.15 augustss rv = AcpiGetObjectInfo(handle, &devinfo);
498 1.15 augustss if (rv != AE_OK) {
499 1.15 augustss #ifdef ACPI_DEBUG
500 1.15 augustss printf("%s: AcpiGetObjectInfo failed\n",
501 1.15 augustss sc->sc_dev.dv_xname);
502 1.15 augustss #endif
503 1.15 augustss goto out; /* XXX why return OK */
504 1.15 augustss }
505 1.15 augustss
506 1.1 thorpej switch (type) {
507 1.1 thorpej case ACPI_TYPE_DEVICE:
508 1.15 augustss #if ACPI_ACTIVATE_DEV
509 1.15 augustss if ((devinfo.Valid & ACPI_VALID_STA) &&
510 1.15 augustss (devinfo.CurrentStatus &
511 1.15 augustss (ACPI_STA_DEV_PRESENT|ACPI_STA_DEV_ENABLED)) ==
512 1.15 augustss ACPI_STA_DEV_PRESENT)
513 1.15 augustss acpi_activate_device(handle, &devinfo);
514 1.15 augustss /* FALLTHROUGH */
515 1.15 augustss #endif
516 1.15 augustss
517 1.1 thorpej case ACPI_TYPE_PROCESSOR:
518 1.1 thorpej case ACPI_TYPE_THERMAL:
519 1.1 thorpej case ACPI_TYPE_POWER:
520 1.6 tsutsui ad = malloc(sizeof(*ad), M_DEVBUF, M_NOWAIT|M_ZERO);
521 1.1 thorpej if (ad == NULL)
522 1.1 thorpej return (AE_NO_MEMORY);
523 1.1 thorpej
524 1.1 thorpej ad->ad_handle = handle;
525 1.1 thorpej ad->ad_level = level;
526 1.1 thorpej ad->ad_scope = as;
527 1.1 thorpej ad->ad_type = type;
528 1.1 thorpej
529 1.1 thorpej TAILQ_INSERT_TAIL(&as->as_devnodes, ad, ad_list);
530 1.1 thorpej
531 1.1 thorpej rv = AcpiGetObjectInfo(handle, &ad->ad_devinfo);
532 1.1 thorpej if (rv != AE_OK)
533 1.1 thorpej goto out;
534 1.1 thorpej
535 1.1 thorpej if ((ad->ad_devinfo.Valid & ACPI_VALID_HID) == 0)
536 1.1 thorpej goto out;
537 1.1 thorpej
538 1.14 augustss #ifdef ACPI_EXTRA_DEBUG
539 1.1 thorpej printf("%s: HID %s found in scope %s level %d\n",
540 1.1 thorpej sc->sc_dev.dv_xname, ad->ad_devinfo.HardwareId,
541 1.1 thorpej as->as_name, ad->ad_level);
542 1.1 thorpej if (ad->ad_devinfo.Valid & ACPI_VALID_UID)
543 1.1 thorpej printf(" UID %s\n",
544 1.1 thorpej ad->ad_devinfo.UniqueId);
545 1.1 thorpej if (ad->ad_devinfo.Valid & ACPI_VALID_ADR)
546 1.1 thorpej printf(" ADR 0x%016qx\n",
547 1.1 thorpej ad->ad_devinfo.Address);
548 1.1 thorpej if (ad->ad_devinfo.Valid & ACPI_VALID_STA)
549 1.1 thorpej printf(" STA 0x%08x\n",
550 1.1 thorpej ad->ad_devinfo.CurrentStatus);
551 1.1 thorpej #endif
552 1.1 thorpej }
553 1.1 thorpej }
554 1.1 thorpej out:
555 1.1 thorpej return (AE_OK);
556 1.1 thorpej }
557 1.1 thorpej
558 1.1 thorpej /*
559 1.1 thorpej * acpi_print:
560 1.1 thorpej *
561 1.1 thorpej * Autoconfiguration print routine.
562 1.1 thorpej */
563 1.1 thorpej int
564 1.1 thorpej acpi_print(void *aux, const char *pnp)
565 1.1 thorpej {
566 1.1 thorpej struct acpi_attach_args *aa = aux;
567 1.1 thorpej
568 1.4 thorpej if (pnp) {
569 1.27 christos if (aa->aa_node->ad_devinfo.Valid & ACPI_VALID_HID) {
570 1.27 christos char *pnpstr = aa->aa_node->ad_devinfo.HardwareId;
571 1.27 christos char *str;
572 1.27 christos
573 1.27 christos aprint_normal("%s ", pnpstr);
574 1.27 christos if (acpi_eval_string(aa->aa_node->ad_handle,
575 1.27 christos "_STR", &str) == AE_OK) {
576 1.27 christos aprint_normal("[%s] ", str);
577 1.27 christos AcpiOsFree(str);
578 1.27 christos }
579 1.27 christos #ifdef ACPIVERBOSE
580 1.27 christos else {
581 1.27 christos int i;
582 1.27 christos
583 1.27 christos for (i = 0; i < sizeof(acpi_knowndevs) /
584 1.27 christos sizeof(acpi_knowndevs[0]); i++) {
585 1.27 christos if (strcmp(acpi_knowndevs[i].pnp,
586 1.27 christos pnpstr) == 0) {
587 1.27 christos printf("[%s] ",
588 1.27 christos acpi_knowndevs[i].str);
589 1.27 christos }
590 1.27 christos }
591 1.27 christos }
592 1.27 christos
593 1.27 christos #endif
594 1.27 christos } else {
595 1.27 christos /* XXX print something more meaningful.. */
596 1.26 jmcneill aprint_normal("ACPI Object Type 0x%02x ",
597 1.26 jmcneill aa->aa_node->ad_devinfo.Type);
598 1.4 thorpej }
599 1.24 thorpej aprint_normal("at %s", pnp);
600 1.21 matt } else {
601 1.24 thorpej aprint_normal(" (%s", aa->aa_node->ad_devinfo.HardwareId);
602 1.22 jmcneill if (aa->aa_node->ad_devinfo.Valid & ACPI_VALID_UID) {
603 1.27 christos char *uid;
604 1.27 christos
605 1.22 jmcneill if (aa->aa_node->ad_devinfo.UniqueId[0] == '\0')
606 1.22 jmcneill uid = "<null>";
607 1.22 jmcneill else
608 1.22 jmcneill uid = aa->aa_node->ad_devinfo.UniqueId;
609 1.24 thorpej aprint_normal("-%s", uid);
610 1.22 jmcneill }
611 1.24 thorpej aprint_normal(")");
612 1.4 thorpej }
613 1.1 thorpej
614 1.1 thorpej return (UNCONF);
615 1.1 thorpej }
616 1.1 thorpej
617 1.1 thorpej /*****************************************************************************
618 1.1 thorpej * ACPI fixed-hardware feature handlers
619 1.1 thorpej *****************************************************************************/
620 1.1 thorpej
621 1.1 thorpej UINT32 acpi_fixed_power_button_handler(void *);
622 1.1 thorpej UINT32 acpi_fixed_sleep_button_handler(void *);
623 1.1 thorpej
624 1.1 thorpej /*
625 1.1 thorpej * acpi_enable_fixed_events:
626 1.1 thorpej *
627 1.1 thorpej * Enable any fixed-hardware feature handlers.
628 1.1 thorpej */
629 1.1 thorpej void
630 1.1 thorpej acpi_enable_fixed_events(struct acpi_softc *sc)
631 1.1 thorpej {
632 1.1 thorpej static int beenhere;
633 1.1 thorpej ACPI_STATUS rv;
634 1.1 thorpej
635 1.1 thorpej /*
636 1.1 thorpej * Check for fixed-hardware buttons.
637 1.1 thorpej */
638 1.1 thorpej
639 1.1 thorpej if (AcpiGbl_FADT != NULL && AcpiGbl_FADT->PwrButton == 0) {
640 1.1 thorpej if (beenhere == 0)
641 1.1 thorpej printf("%s: fixed-feature power button present\n",
642 1.1 thorpej sc->sc_dev.dv_xname);
643 1.1 thorpej rv = AcpiInstallFixedEventHandler(ACPI_EVENT_POWER_BUTTON,
644 1.1 thorpej acpi_fixed_power_button_handler, sc);
645 1.1 thorpej if (rv != AE_OK)
646 1.1 thorpej printf("%s: unable to install handler for fixed "
647 1.1 thorpej "power button: %d\n", sc->sc_dev.dv_xname, rv);
648 1.1 thorpej }
649 1.1 thorpej
650 1.1 thorpej if (AcpiGbl_FADT != NULL && AcpiGbl_FADT->SleepButton == 0) {
651 1.1 thorpej if (beenhere == 0)
652 1.1 thorpej printf("%s: fixed-feature sleep button present\n",
653 1.1 thorpej sc->sc_dev.dv_xname);
654 1.1 thorpej rv = AcpiInstallFixedEventHandler(ACPI_EVENT_SLEEP_BUTTON,
655 1.1 thorpej acpi_fixed_sleep_button_handler, sc);
656 1.1 thorpej if (rv != AE_OK)
657 1.1 thorpej printf("%s: unable to install handler for fixed "
658 1.1 thorpej "power button: %d\n", sc->sc_dev.dv_xname, rv);
659 1.1 thorpej }
660 1.1 thorpej
661 1.1 thorpej beenhere = 1;
662 1.1 thorpej }
663 1.1 thorpej
664 1.1 thorpej /*
665 1.1 thorpej * acpi_fixed_power_button_handler:
666 1.1 thorpej *
667 1.1 thorpej * Fixed event handler for the power button.
668 1.1 thorpej */
669 1.1 thorpej UINT32
670 1.1 thorpej acpi_fixed_power_button_handler(void *context)
671 1.1 thorpej {
672 1.1 thorpej struct acpi_softc *sc = context;
673 1.1 thorpej
674 1.1 thorpej /* XXX XXX XXX */
675 1.1 thorpej
676 1.1 thorpej printf("%s: fixed power button pressed\n", sc->sc_dev.dv_xname);
677 1.1 thorpej
678 1.8 thorpej return (ACPI_INTERRUPT_HANDLED);
679 1.1 thorpej }
680 1.1 thorpej
681 1.1 thorpej /*
682 1.1 thorpej * acpi_fixed_sleep_button_handler:
683 1.1 thorpej *
684 1.1 thorpej * Fixed event handler for the sleep button.
685 1.1 thorpej */
686 1.1 thorpej UINT32
687 1.1 thorpej acpi_fixed_sleep_button_handler(void *context)
688 1.1 thorpej {
689 1.1 thorpej struct acpi_softc *sc = context;
690 1.1 thorpej
691 1.1 thorpej /* XXX XXX XXX */
692 1.1 thorpej
693 1.1 thorpej printf("%s: fixed sleep button pressed\n", sc->sc_dev.dv_xname);
694 1.1 thorpej
695 1.8 thorpej return (ACPI_INTERRUPT_HANDLED);
696 1.1 thorpej }
697 1.1 thorpej
698 1.1 thorpej /*****************************************************************************
699 1.1 thorpej * ACPI utility routines.
700 1.1 thorpej *****************************************************************************/
701 1.1 thorpej
702 1.2 thorpej /*
703 1.2 thorpej * acpi_eval_integer:
704 1.2 thorpej *
705 1.2 thorpej * Evaluate an integer object.
706 1.2 thorpej */
707 1.1 thorpej ACPI_STATUS
708 1.1 thorpej acpi_eval_integer(ACPI_HANDLE handle, char *path, int *valp)
709 1.1 thorpej {
710 1.1 thorpej ACPI_STATUS rv;
711 1.1 thorpej ACPI_BUFFER buf;
712 1.1 thorpej ACPI_OBJECT param;
713 1.1 thorpej
714 1.1 thorpej if (handle == NULL)
715 1.1 thorpej handle = ACPI_ROOT_OBJECT;
716 1.1 thorpej
717 1.1 thorpej buf.Pointer = ¶m;
718 1.1 thorpej buf.Length = sizeof(param);
719 1.1 thorpej
720 1.1 thorpej rv = AcpiEvaluateObject(handle, path, NULL, &buf);
721 1.1 thorpej if (rv == AE_OK) {
722 1.1 thorpej if (param.Type == ACPI_TYPE_INTEGER)
723 1.1 thorpej *valp = param.Integer.Value;
724 1.1 thorpej else
725 1.1 thorpej rv = AE_TYPE;
726 1.1 thorpej }
727 1.1 thorpej
728 1.4 thorpej return (rv);
729 1.4 thorpej }
730 1.4 thorpej
731 1.4 thorpej /*
732 1.4 thorpej * acpi_eval_string:
733 1.4 thorpej *
734 1.7 sommerfe * Evaluate a (Unicode) string object.
735 1.4 thorpej */
736 1.4 thorpej ACPI_STATUS
737 1.4 thorpej acpi_eval_string(ACPI_HANDLE handle, char *path, char **stringp)
738 1.4 thorpej {
739 1.4 thorpej ACPI_STATUS rv;
740 1.4 thorpej ACPI_BUFFER buf;
741 1.7 sommerfe ACPI_OBJECT *param;
742 1.4 thorpej
743 1.4 thorpej if (handle == NULL)
744 1.4 thorpej handle = ACPI_ROOT_OBJECT;
745 1.4 thorpej
746 1.4 thorpej buf.Pointer = NULL;
747 1.4 thorpej buf.Length = 0;
748 1.4 thorpej
749 1.4 thorpej rv = AcpiEvaluateObject(handle, path, NULL, &buf);
750 1.4 thorpej if (rv != AE_BUFFER_OVERFLOW)
751 1.4 thorpej return (rv);
752 1.4 thorpej
753 1.4 thorpej buf.Pointer = AcpiOsAllocate(buf.Length);
754 1.4 thorpej if (buf.Pointer == NULL)
755 1.4 thorpej return (AE_NO_MEMORY);
756 1.4 thorpej
757 1.4 thorpej rv = AcpiEvaluateObject(handle, path, NULL, &buf);
758 1.7 sommerfe param = (ACPI_OBJECT *)buf.Pointer;
759 1.4 thorpej if (rv == AE_OK) {
760 1.7 sommerfe if (param->Type == ACPI_TYPE_STRING) {
761 1.27 christos char *ptr = param->String.Pointer;
762 1.27 christos size_t len;
763 1.27 christos while (*ptr++)
764 1.27 christos continue;
765 1.27 christos len = ptr - param->String.Pointer;
766 1.27 christos if ((*stringp = AcpiOsAllocate(len)) == NULL) {
767 1.27 christos rv = AE_NO_MEMORY;
768 1.27 christos goto done;
769 1.27 christos }
770 1.27 christos (void)memcpy(*stringp, param->String.Pointer, len);
771 1.27 christos goto done;
772 1.4 thorpej }
773 1.4 thorpej rv = AE_TYPE;
774 1.4 thorpej }
775 1.27 christos done:
776 1.4 thorpej AcpiOsFree(buf.Pointer);
777 1.7 sommerfe return (rv);
778 1.7 sommerfe }
779 1.7 sommerfe
780 1.7 sommerfe
781 1.7 sommerfe /*
782 1.7 sommerfe * acpi_eval_struct:
783 1.7 sommerfe *
784 1.7 sommerfe * Evaluate a more complex structure. Caller must free buf.Pointer.
785 1.7 sommerfe */
786 1.7 sommerfe ACPI_STATUS
787 1.7 sommerfe acpi_eval_struct(ACPI_HANDLE handle, char *path, ACPI_BUFFER *bufp)
788 1.7 sommerfe {
789 1.7 sommerfe ACPI_STATUS rv;
790 1.7 sommerfe
791 1.7 sommerfe if (handle == NULL)
792 1.7 sommerfe handle = ACPI_ROOT_OBJECT;
793 1.7 sommerfe
794 1.7 sommerfe bufp->Pointer = NULL;
795 1.7 sommerfe bufp->Length = 0;
796 1.7 sommerfe
797 1.7 sommerfe rv = AcpiEvaluateObject(handle, path, NULL, bufp);
798 1.7 sommerfe if (rv != AE_BUFFER_OVERFLOW)
799 1.7 sommerfe return (rv);
800 1.7 sommerfe
801 1.7 sommerfe bufp->Pointer = AcpiOsAllocate(bufp->Length);
802 1.7 sommerfe if (bufp->Pointer == NULL)
803 1.7 sommerfe return (AE_NO_MEMORY);
804 1.7 sommerfe
805 1.7 sommerfe rv = AcpiEvaluateObject(handle, path, NULL, bufp);
806 1.7 sommerfe
807 1.1 thorpej return (rv);
808 1.2 thorpej }
809 1.2 thorpej
810 1.2 thorpej /*
811 1.2 thorpej * acpi_get:
812 1.2 thorpej *
813 1.2 thorpej * Fetch data info the specified (empty) ACPI buffer.
814 1.2 thorpej */
815 1.2 thorpej ACPI_STATUS
816 1.2 thorpej acpi_get(ACPI_HANDLE handle, ACPI_BUFFER *buf,
817 1.2 thorpej ACPI_STATUS (*getit)(ACPI_HANDLE, ACPI_BUFFER *))
818 1.2 thorpej {
819 1.2 thorpej ACPI_STATUS rv;
820 1.2 thorpej
821 1.2 thorpej buf->Pointer = NULL;
822 1.2 thorpej buf->Length = 0;
823 1.2 thorpej
824 1.2 thorpej rv = (*getit)(handle, buf);
825 1.2 thorpej if (rv != AE_BUFFER_OVERFLOW)
826 1.2 thorpej return (rv);
827 1.2 thorpej
828 1.8 thorpej buf->Pointer = AcpiOsAllocate(buf->Length);
829 1.2 thorpej if (buf->Pointer == NULL)
830 1.2 thorpej return (AE_NO_MEMORY);
831 1.8 thorpej memset(buf->Pointer, 0, buf->Length);
832 1.2 thorpej
833 1.2 thorpej return ((*getit)(handle, buf));
834 1.10 tshiozak }
835 1.10 tshiozak
836 1.10 tshiozak
837 1.10 tshiozak /*****************************************************************************
838 1.10 tshiozak * ACPI sleep support.
839 1.10 tshiozak *****************************************************************************/
840 1.10 tshiozak
841 1.10 tshiozak static int
842 1.10 tshiozak is_available_state(struct acpi_softc *sc, int state)
843 1.10 tshiozak {
844 1.10 tshiozak UINT8 type_a, type_b;
845 1.10 tshiozak
846 1.10 tshiozak return (ACPI_SUCCESS(AcpiGetSleepTypeData((UINT8)state,
847 1.10 tshiozak &type_a, &type_b)));
848 1.10 tshiozak }
849 1.10 tshiozak
850 1.10 tshiozak /*
851 1.10 tshiozak * acpi_enter_sleep_state:
852 1.10 tshiozak *
853 1.10 tshiozak * enter to the specified sleep state.
854 1.10 tshiozak */
855 1.10 tshiozak
856 1.10 tshiozak ACPI_STATUS
857 1.10 tshiozak acpi_enter_sleep_state(struct acpi_softc *sc, int state)
858 1.10 tshiozak {
859 1.10 tshiozak int s;
860 1.10 tshiozak ACPI_STATUS ret = AE_OK;
861 1.10 tshiozak
862 1.10 tshiozak switch (state) {
863 1.10 tshiozak case ACPI_STATE_S0:
864 1.10 tshiozak break;
865 1.10 tshiozak case ACPI_STATE_S1:
866 1.10 tshiozak case ACPI_STATE_S2:
867 1.10 tshiozak case ACPI_STATE_S3:
868 1.10 tshiozak case ACPI_STATE_S4:
869 1.10 tshiozak if (!is_available_state(sc, state)) {
870 1.10 tshiozak printf("acpi: cannot enter the sleep state (%d).\n",
871 1.10 tshiozak state);
872 1.10 tshiozak break;
873 1.10 tshiozak }
874 1.10 tshiozak ret = AcpiEnterSleepStatePrep(state);
875 1.10 tshiozak if (ACPI_FAILURE(ret)) {
876 1.10 tshiozak printf("acpi: failed preparing to sleep (%s)\n",
877 1.10 tshiozak AcpiFormatException(ret));
878 1.10 tshiozak break;
879 1.10 tshiozak }
880 1.10 tshiozak if (state==ACPI_STATE_S1) {
881 1.10 tshiozak /* just enter the state */
882 1.12 kanaoka acpi_md_OsDisableInterrupt();
883 1.10 tshiozak AcpiEnterSleepState((UINT8)state);
884 1.10 tshiozak AcpiUtReleaseMutex(ACPI_MTX_HARDWARE);
885 1.10 tshiozak } else {
886 1.10 tshiozak /* XXX: powerhooks(9) framework is too poor to
887 1.10 tshiozak * support ACPI sleep state...
888 1.10 tshiozak */
889 1.10 tshiozak dopowerhooks(PWR_SOFTSUSPEND);
890 1.10 tshiozak s = splhigh();
891 1.10 tshiozak dopowerhooks(PWR_SUSPEND);
892 1.10 tshiozak acpi_md_sleep(state);
893 1.10 tshiozak dopowerhooks(PWR_RESUME);
894 1.10 tshiozak splx(s);
895 1.10 tshiozak dopowerhooks(PWR_SOFTRESUME);
896 1.10 tshiozak if (state==ACPI_STATE_S4)
897 1.10 tshiozak AcpiEnable();
898 1.10 tshiozak }
899 1.10 tshiozak AcpiLeaveSleepState((UINT8)state);
900 1.10 tshiozak break;
901 1.10 tshiozak case ACPI_STATE_S5:
902 1.10 tshiozak AcpiEnterSleepStatePrep(ACPI_STATE_S5);
903 1.12 kanaoka acpi_md_OsDisableInterrupt();
904 1.10 tshiozak AcpiEnterSleepState(ACPI_STATE_S5);
905 1.10 tshiozak printf("WARNING: powerdown failed!\n");
906 1.10 tshiozak break;
907 1.10 tshiozak }
908 1.10 tshiozak
909 1.11 drochner return (ret);
910 1.1 thorpej }
911 1.13 augustss
912 1.13 augustss #if ACPI_PCI_FIXUP
913 1.13 augustss ACPI_STATUS acpi_pci_fixup_bus(ACPI_HANDLE, UINT32, void *, void **);
914 1.13 augustss /*
915 1.13 augustss * acpi_pci_fixup:
916 1.13 augustss *
917 1.13 augustss * Set up PCI devices that BIOS didn't handle right.
918 1.13 augustss * Iterate through all devices and try to get the _PTR
919 1.13 augustss * (PCI Routing Table). If it exists then make sure all
920 1.13 augustss * interrupt links that it uses are working.
921 1.13 augustss */
922 1.13 augustss void
923 1.13 augustss acpi_pci_fixup(struct acpi_softc *sc)
924 1.13 augustss {
925 1.13 augustss ACPI_HANDLE parent;
926 1.13 augustss
927 1.13 augustss #ifdef ACPI_DEBUG
928 1.13 augustss printf("acpi_pci_fixup starts:\n");
929 1.13 augustss #endif
930 1.13 augustss if (AcpiGetHandle(ACPI_ROOT_OBJECT, "\\_SB_", &parent) != AE_OK)
931 1.13 augustss return;
932 1.13 augustss sc->sc_pci_bus = 0;
933 1.13 augustss AcpiWalkNamespace(ACPI_TYPE_DEVICE, parent, 100,
934 1.13 augustss acpi_pci_fixup_bus, sc, NULL);
935 1.13 augustss }
936 1.13 augustss
937 1.13 augustss static ACPI_HANDLE
938 1.13 augustss acpi_get_node(char *name)
939 1.13 augustss {
940 1.13 augustss ACPI_NAMESPACE_NODE *ObjDesc;
941 1.13 augustss ACPI_STATUS Status;
942 1.13 augustss
943 1.13 augustss Status = AcpiNsGetNodeByPath(name, NULL, 0, &ObjDesc);
944 1.13 augustss if (ACPI_FAILURE (Status)) {
945 1.13 augustss printf("acpi_get_node: could not find: %s\n",
946 1.13 augustss AcpiFormatException (Status));
947 1.13 augustss return NULL;
948 1.13 augustss }
949 1.13 augustss return ObjDesc;
950 1.13 augustss }
951 1.13 augustss
952 1.13 augustss static uint
953 1.13 augustss acpi_get_intr(ACPI_HANDLE handle)
954 1.13 augustss {
955 1.13 augustss ACPI_BUFFER ret;
956 1.13 augustss ACPI_STATUS rv;
957 1.13 augustss ACPI_RESOURCE *res;
958 1.13 augustss ACPI_RESOURCE_IRQ *irq;
959 1.13 augustss uint intr;
960 1.13 augustss
961 1.13 augustss intr = -1;
962 1.13 augustss rv = acpi_get(handle, &ret, AcpiGetCurrentResources);
963 1.13 augustss if (ACPI_FAILURE(rv))
964 1.13 augustss return (intr);
965 1.13 augustss for (res = ret.Pointer; res->Id != ACPI_RSTYPE_END_TAG;
966 1.13 augustss res = ACPI_NEXT_RESOURCE(res)) {
967 1.13 augustss if (res->Id == ACPI_RSTYPE_IRQ) {
968 1.13 augustss irq = (ACPI_RESOURCE_IRQ *)&res->Data;
969 1.13 augustss if (irq->NumberOfInterrupts == 1)
970 1.13 augustss intr = irq->Interrupts[0];
971 1.13 augustss break;
972 1.13 augustss }
973 1.13 augustss }
974 1.13 augustss free(ret.Pointer, M_DEVBUF);
975 1.13 augustss return (intr);
976 1.13 augustss }
977 1.13 augustss
978 1.13 augustss static void
979 1.13 augustss acpi_pci_set_line(int bus, int dev, int pin, int line)
980 1.13 augustss {
981 1.13 augustss ACPI_STATUS err;
982 1.13 augustss ACPI_PCI_ID pid;
983 1.13 augustss UINT32 intr, id, bhlc;
984 1.13 augustss int func, nfunc;
985 1.13 augustss
986 1.13 augustss pid.Bus = bus;
987 1.13 augustss pid.Device = dev;
988 1.13 augustss pid.Function = 0;
989 1.13 augustss
990 1.13 augustss err = AcpiOsReadPciConfiguration(&pid, PCI_BHLC_REG, &bhlc, 32);
991 1.13 augustss if (err)
992 1.13 augustss return;
993 1.13 augustss if (PCI_HDRTYPE_MULTIFN(bhlc))
994 1.13 augustss nfunc = 8;
995 1.13 augustss else
996 1.13 augustss nfunc = 1;
997 1.13 augustss
998 1.13 augustss for (func = 0; func < nfunc; func++) {
999 1.13 augustss pid.Function = func;
1000 1.13 augustss
1001 1.13 augustss err = AcpiOsReadPciConfiguration(&pid, PCI_ID_REG, &id, 32);
1002 1.13 augustss if (err || PCI_VENDOR(id) == PCI_VENDOR_INVALID ||
1003 1.13 augustss PCI_VENDOR(id) == 0)
1004 1.13 augustss continue;
1005 1.13 augustss
1006 1.13 augustss err = AcpiOsReadPciConfiguration(&pid, PCI_INTERRUPT_REG,
1007 1.13 augustss &intr, 32);
1008 1.13 augustss if (err) {
1009 1.13 augustss printf("AcpiOsReadPciConfiguration failed %d\n", err);
1010 1.13 augustss return;
1011 1.13 augustss }
1012 1.13 augustss if (pin == PCI_INTERRUPT_PIN(intr) &&
1013 1.13 augustss line != PCI_INTERRUPT_LINE(intr)) {
1014 1.13 augustss #ifdef ACPI_DEBUG
1015 1.13 augustss printf("acpi fixup pci intr: %d:%d:%d %c: %d -> %d\n",
1016 1.13 augustss bus, dev, func,
1017 1.13 augustss pin + '@', PCI_INTERRUPT_LINE(intr),
1018 1.13 augustss line);
1019 1.13 augustss #endif
1020 1.13 augustss intr &= ~(PCI_INTERRUPT_LINE_MASK <<
1021 1.13 augustss PCI_INTERRUPT_LINE_SHIFT);
1022 1.13 augustss intr |= line << PCI_INTERRUPT_LINE_SHIFT;
1023 1.13 augustss err = AcpiOsWritePciConfiguration(&pid,
1024 1.13 augustss PCI_INTERRUPT_REG, intr, 32);
1025 1.13 augustss if (err) {
1026 1.13 augustss printf("AcpiOsWritePciConfiguration failed"
1027 1.13 augustss " %d\n", err);
1028 1.13 augustss return;
1029 1.13 augustss }
1030 1.13 augustss }
1031 1.13 augustss }
1032 1.13 augustss }
1033 1.13 augustss
1034 1.13 augustss ACPI_STATUS
1035 1.13 augustss acpi_pci_fixup_bus(ACPI_HANDLE handle, UINT32 level, void *context,
1036 1.13 augustss void **status)
1037 1.13 augustss {
1038 1.13 augustss struct acpi_softc *sc = context;
1039 1.13 augustss ACPI_STATUS rv;
1040 1.13 augustss ACPI_BUFFER buf;
1041 1.13 augustss UINT8 *Buffer;
1042 1.13 augustss ACPI_PCI_ROUTING_TABLE *PrtElement;
1043 1.13 augustss ACPI_HANDLE link;
1044 1.13 augustss uint line;
1045 1.28 fvdl ACPI_NAMESPACE_NODE *node;
1046 1.28 fvdl ACPI_INTEGER val;
1047 1.13 augustss
1048 1.13 augustss rv = acpi_get(handle, &buf, AcpiGetIrqRoutingTable);
1049 1.13 augustss if (ACPI_FAILURE(rv))
1050 1.13 augustss return (AE_OK);
1051 1.13 augustss
1052 1.28 fvdl /*
1053 1.28 fvdl * If at level 1, this is a PCI root bus. Try the _BBN method
1054 1.28 fvdl * to get the right PCI bus numbering for the following
1055 1.28 fvdl * busses (this is a depth-first walk). It may fail,
1056 1.28 fvdl * for example if there's only one root bus, but that
1057 1.28 fvdl * case should be ok, so we'll ignore that.
1058 1.28 fvdl */
1059 1.28 fvdl if (level == 1) {
1060 1.28 fvdl node = AcpiNsMapHandleToNode(handle);
1061 1.28 fvdl rv = AcpiUtEvaluateNumericObject(METHOD_NAME__BBN, node, &val);
1062 1.28 fvdl if (!ACPI_FAILURE(rv)) {
1063 1.28 fvdl #ifdef ACPI_DEBUG
1064 1.28 fvdl printf("%s: fixup: _BBN success, bus # was %d now %d\n",
1065 1.28 fvdl sc->sc_dev.dv_xname, sc->sc_pci_bus,
1066 1.28 fvdl ACPI_LOWORD(val));
1067 1.28 fvdl #endif
1068 1.28 fvdl sc->sc_pci_bus = ACPI_LOWORD(val);
1069 1.28 fvdl }
1070 1.28 fvdl }
1071 1.28 fvdl
1072 1.28 fvdl
1073 1.13 augustss #ifdef ACPI_DEBUG
1074 1.28 fvdl printf("%s: fixing up PCI bus %d at level %u\n", sc->sc_dev.dv_xname,
1075 1.28 fvdl sc->sc_pci_bus, level);
1076 1.13 augustss #endif
1077 1.13 augustss
1078 1.13 augustss for (Buffer = buf.Pointer; ; Buffer += PrtElement->Length) {
1079 1.13 augustss PrtElement = (ACPI_PCI_ROUTING_TABLE *)Buffer;
1080 1.13 augustss if (PrtElement->Length == 0)
1081 1.13 augustss break;
1082 1.28 fvdl if (PrtElement->Source[0] == 0)
1083 1.13 augustss continue;
1084 1.13 augustss
1085 1.13 augustss link = acpi_get_node(PrtElement->Source);
1086 1.13 augustss if (link == NULL)
1087 1.13 augustss continue;
1088 1.13 augustss line = acpi_get_intr(link);
1089 1.13 augustss if (line == -1) {
1090 1.13 augustss #ifdef ACPI_DEBUG
1091 1.23 augustss printf("%s: fixing up intr link %s\n",
1092 1.23 augustss sc->sc_dev.dv_xname, PrtElement->Source);
1093 1.13 augustss #endif
1094 1.13 augustss rv = acpi_allocate_resources(link);
1095 1.13 augustss if (ACPI_FAILURE(rv)) {
1096 1.13 augustss printf("%s: interrupt allocation failed %s\n",
1097 1.13 augustss sc->sc_dev.dv_xname, PrtElement->Source);
1098 1.13 augustss continue;
1099 1.13 augustss }
1100 1.13 augustss line = acpi_get_intr(link);
1101 1.13 augustss if (line == -1) {
1102 1.13 augustss printf("%s: get intr failed %s\n",
1103 1.13 augustss sc->sc_dev.dv_xname, PrtElement->Source);
1104 1.13 augustss continue;
1105 1.13 augustss }
1106 1.13 augustss }
1107 1.13 augustss
1108 1.13 augustss acpi_pci_set_line(sc->sc_pci_bus, PrtElement->Address >> 16,
1109 1.13 augustss PrtElement->Pin + 1, line);
1110 1.13 augustss }
1111 1.13 augustss
1112 1.13 augustss sc->sc_pci_bus++;
1113 1.13 augustss
1114 1.13 augustss free(buf.Pointer, M_DEVBUF);
1115 1.13 augustss return (AE_OK);
1116 1.13 augustss }
1117 1.15 augustss #endif /* ACPI_PCI_FIXUP */
1118 1.13 augustss
1119 1.15 augustss #if ACPI_PCI_FIXUP || ACPI_ACTIVATE_DEV
1120 1.13 augustss /* XXX This very incomplete */
1121 1.13 augustss ACPI_STATUS
1122 1.13 augustss acpi_allocate_resources(ACPI_HANDLE handle)
1123 1.13 augustss {
1124 1.13 augustss ACPI_BUFFER bufp, bufc, bufn;
1125 1.13 augustss ACPI_RESOURCE *resp, *resc, *resn;
1126 1.13 augustss ACPI_RESOURCE_IRQ *irq;
1127 1.13 augustss ACPI_STATUS rv;
1128 1.13 augustss uint delta;
1129 1.13 augustss
1130 1.13 augustss rv = acpi_get(handle, &bufp, AcpiGetPossibleResources);
1131 1.13 augustss if (ACPI_FAILURE(rv))
1132 1.13 augustss goto out;
1133 1.13 augustss rv = acpi_get(handle, &bufc, AcpiGetCurrentResources);
1134 1.13 augustss if (ACPI_FAILURE(rv)) {
1135 1.13 augustss goto out1;
1136 1.13 augustss }
1137 1.13 augustss
1138 1.13 augustss bufn.Length = 1000;
1139 1.13 augustss bufn.Pointer = resn = malloc(bufn.Length, M_DEVBUF, M_WAITOK);
1140 1.13 augustss resp = bufp.Pointer;
1141 1.13 augustss resc = bufc.Pointer;
1142 1.13 augustss while (resc->Id != ACPI_RSTYPE_END_TAG &&
1143 1.13 augustss resp->Id != ACPI_RSTYPE_END_TAG) {
1144 1.13 augustss while (resc->Id != resp->Id && resp->Id != ACPI_RSTYPE_END_TAG)
1145 1.13 augustss resp = ACPI_NEXT_RESOURCE(resp);
1146 1.13 augustss if (resp->Id == ACPI_RSTYPE_END_TAG)
1147 1.13 augustss break;
1148 1.13 augustss /* Found identical Id */
1149 1.13 augustss resn->Id = resc->Id;
1150 1.13 augustss switch (resc->Id) {
1151 1.13 augustss case ACPI_RSTYPE_IRQ:
1152 1.13 augustss memcpy(&resn->Data, &resp->Data,
1153 1.13 augustss sizeof(ACPI_RESOURCE_IRQ));
1154 1.13 augustss irq = (ACPI_RESOURCE_IRQ *)&resn->Data;
1155 1.13 augustss irq->Interrupts[0] =
1156 1.13 augustss ((ACPI_RESOURCE_IRQ *)&resp->Data)->
1157 1.13 augustss Interrupts[irq->NumberOfInterrupts-1];
1158 1.13 augustss irq->NumberOfInterrupts = 1;
1159 1.13 augustss resn->Length = ACPI_SIZEOF_RESOURCE(ACPI_RESOURCE_IRQ);
1160 1.13 augustss break;
1161 1.13 augustss case ACPI_RSTYPE_IO:
1162 1.13 augustss memcpy(&resn->Data, &resp->Data,
1163 1.13 augustss sizeof(ACPI_RESOURCE_IO));
1164 1.13 augustss resn->Length = resp->Length;
1165 1.13 augustss break;
1166 1.13 augustss default:
1167 1.13 augustss printf("acpi_allocate_resources: res=%d\n", resc->Id);
1168 1.13 augustss rv = AE_BAD_DATA;
1169 1.13 augustss goto out2;
1170 1.13 augustss }
1171 1.13 augustss resc = ACPI_NEXT_RESOURCE(resc);
1172 1.13 augustss resn = ACPI_NEXT_RESOURCE(resn);
1173 1.13 augustss delta = (UINT8 *)resn - (UINT8 *)bufn.Pointer;
1174 1.23 augustss if (delta >=
1175 1.23 augustss bufn.Length-ACPI_SIZEOF_RESOURCE(ACPI_RESOURCE_DATA)) {
1176 1.13 augustss bufn.Length *= 2;
1177 1.13 augustss bufn.Pointer = realloc(bufn.Pointer, bufn.Length,
1178 1.13 augustss M_DEVBUF, M_WAITOK);
1179 1.13 augustss resn = (ACPI_RESOURCE *)((UINT8 *)bufn.Pointer + delta);
1180 1.13 augustss }
1181 1.13 augustss }
1182 1.13 augustss if (resc->Id != ACPI_RSTYPE_END_TAG) {
1183 1.13 augustss printf("acpi_allocate_resources: resc not exhausted\n");
1184 1.13 augustss rv = AE_BAD_DATA;
1185 1.13 augustss goto out3;
1186 1.13 augustss }
1187 1.13 augustss
1188 1.13 augustss resn->Id = ACPI_RSTYPE_END_TAG;
1189 1.13 augustss rv = AcpiSetCurrentResources(handle, &bufn);
1190 1.13 augustss if (ACPI_FAILURE(rv)) {
1191 1.13 augustss printf("acpi_allocate_resources: AcpiSetCurrentResources %s\n",
1192 1.13 augustss AcpiFormatException(rv));
1193 1.13 augustss }
1194 1.13 augustss
1195 1.13 augustss out3:
1196 1.13 augustss free(bufn.Pointer, M_DEVBUF);
1197 1.13 augustss out2:
1198 1.13 augustss free(bufc.Pointer, M_DEVBUF);
1199 1.13 augustss out1:
1200 1.13 augustss free(bufp.Pointer, M_DEVBUF);
1201 1.13 augustss out:
1202 1.13 augustss return rv;
1203 1.13 augustss }
1204 1.15 augustss #endif /* ACPI_PCI_FIXUP || ACPI_ACTIVATE_DEV */
1205