acpivar.h revision 1.37 1 /* $NetBSD: acpivar.h,v 1.37 2009/11/28 17:02:14 cegger Exp $ */
2
3 /*
4 * Copyright 2001 Wasabi Systems, Inc.
5 * All rights reserved.
6 *
7 * Written by Jason R. Thorpe for Wasabi Systems, Inc.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed for the NetBSD Project by
20 * Wasabi Systems, Inc.
21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 * or promote products derived from this software without specific prior
23 * written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 */
37
38 /*
39 * This file defines the ACPI interface provided to the rest of the
40 * kernel, as well as the autoconfiguration structures for ACPI
41 * support.
42 */
43
44 #include <sys/bus.h>
45 #include <dev/pci/pcivar.h>
46 #include <dev/isa/isavar.h>
47
48 #include <dev/acpi/acpica.h>
49
50 #include <dev/sysmon/sysmonvar.h>
51
52 /*
53 * acpibus_attach_args:
54 *
55 * This structure is used to attach the ACPI "bus".
56 */
57 struct acpibus_attach_args {
58 bus_space_tag_t aa_iot; /* PCI I/O space tag */
59 bus_space_tag_t aa_memt; /* PCI MEM space tag */
60 pci_chipset_tag_t aa_pc; /* PCI chipset */
61 int aa_pciflags; /* PCI bus flags */
62 isa_chipset_tag_t aa_ic; /* ISA chipset */
63 };
64
65 /*
66 * Types of switches that ACPI understands.
67 */
68 #define ACPI_SWITCH_POWERBUTTON 0
69 #define ACPI_SWITCH_SLEEPBUTTON 1
70 #define ACPI_SWITCH_LID 2
71 #define ACPI_NSWITCHES 3
72
73 /*
74 * acpi_devnode:
75 *
76 * An ACPI device node.
77 */
78 struct acpi_devnode {
79 TAILQ_ENTRY(acpi_devnode) ad_list;
80 ACPI_HANDLE ad_handle; /* our ACPI handle */
81 uint32_t ad_level; /* ACPI level */
82 uint32_t ad_type; /* ACPI object type */
83 ACPI_DEVICE_INFO *ad_devinfo; /* our ACPI device info */
84 struct acpi_scope *ad_scope; /* backpointer to scope */
85 device_t ad_device; /* pointer to configured device */
86 char ad_name[5]; /* Human-readable device name */
87 };
88
89 /*
90 * acpi_scope:
91 *
92 * Description of an ACPI scope.
93 */
94 struct acpi_scope {
95 TAILQ_ENTRY(acpi_scope) as_list;
96 const char *as_name; /* scope name */
97 /*
98 * Device nodes we manage.
99 */
100 TAILQ_HEAD(, acpi_devnode) as_devnodes;
101 };
102
103 /*
104 * acpi_softc:
105 *
106 * Software state of the ACPI subsystem.
107 */
108 struct acpi_softc {
109 device_t sc_dev; /* base device info */
110 bus_space_tag_t sc_iot; /* PCI I/O space tag */
111 bus_space_tag_t sc_memt; /* PCI MEM space tag */
112 pci_chipset_tag_t sc_pc; /* PCI chipset tag */
113 int sc_pciflags; /* PCI bus flags */
114 int sc_pci_bus; /* internal PCI fixup */
115 isa_chipset_tag_t sc_ic; /* ISA chipset tag */
116
117 void *sc_sdhook; /* shutdown hook */
118
119 /*
120 * Power switch handlers for fixed-feature buttons.
121 */
122 struct sysmon_pswitch sc_smpsw_power;
123 struct sysmon_pswitch sc_smpsw_sleep;
124
125 /*
126 * Sleep state to transition to when a given
127 * switch is activated.
128 */
129 int sc_switch_sleep[ACPI_NSWITCHES];
130
131 int sc_sleepstate; /* current sleep state */
132
133 int sc_quirks;
134
135 /*
136 * Scopes we manage.
137 */
138 TAILQ_HEAD(, acpi_scope) sc_scopes;
139 device_t sc_apmbus;
140 };
141
142 /*
143 * acpi_attach_args:
144 *
145 * Used to attach a device instance to the acpi "bus".
146 */
147 struct acpi_attach_args {
148 struct acpi_devnode *aa_node; /* ACPI device node */
149 bus_space_tag_t aa_iot; /* PCI I/O space tag */
150 bus_space_tag_t aa_memt; /* PCI MEM space tag */
151 pci_chipset_tag_t aa_pc; /* PCI chipset tag */
152 int aa_pciflags; /* PCI bus flags */
153 isa_chipset_tag_t aa_ic; /* ISA chipset */
154 };
155
156 /*
157 * ACPI resources:
158 *
159 * acpi_io I/O ports
160 * acpi_iorange I/O port range
161 * acpi_mem memory region
162 * acpi_memrange memory range
163 * acpi_irq Interrupt Request
164 * acpi_drq DMA request
165 */
166
167 struct acpi_io {
168 SIMPLEQ_ENTRY(acpi_io) ar_list;
169 int ar_index;
170 uint32_t ar_base;
171 uint32_t ar_length;
172 };
173
174 struct acpi_iorange {
175 SIMPLEQ_ENTRY(acpi_iorange) ar_list;
176 int ar_index;
177 uint32_t ar_low;
178 uint32_t ar_high;
179 uint32_t ar_length;
180 uint32_t ar_align;
181 };
182
183 struct acpi_mem {
184 SIMPLEQ_ENTRY(acpi_mem) ar_list;
185 int ar_index;
186 uint32_t ar_base;
187 uint32_t ar_length;
188 };
189
190 struct acpi_memrange {
191 SIMPLEQ_ENTRY(acpi_memrange) ar_list;
192 int ar_index;
193 uint32_t ar_low;
194 uint32_t ar_high;
195 uint32_t ar_length;
196 uint32_t ar_align;
197 };
198
199 struct acpi_irq {
200 SIMPLEQ_ENTRY(acpi_irq) ar_list;
201 int ar_index;
202 uint32_t ar_irq;
203 uint32_t ar_type;
204 };
205
206 struct acpi_drq {
207 SIMPLEQ_ENTRY(acpi_drq) ar_list;
208 int ar_index;
209 uint32_t ar_drq;
210 };
211
212 struct acpi_resources {
213 SIMPLEQ_HEAD(, acpi_io) ar_io;
214 int ar_nio;
215
216 SIMPLEQ_HEAD(, acpi_iorange) ar_iorange;
217 int ar_niorange;
218
219 SIMPLEQ_HEAD(, acpi_mem) ar_mem;
220 int ar_nmem;
221
222 SIMPLEQ_HEAD(, acpi_memrange) ar_memrange;
223 int ar_nmemrange;
224
225 SIMPLEQ_HEAD(, acpi_irq) ar_irq;
226 int ar_nirq;
227
228 SIMPLEQ_HEAD(, acpi_drq) ar_drq;
229 int ar_ndrq;
230 };
231
232 /*
233 * acpi_resource_parse_ops:
234 *
235 * The client of ACPI resources specifies these operations
236 * when the resources are parsed.
237 */
238 struct acpi_resource_parse_ops {
239 void (*init)(device_t, void *, void **);
240 void (*fini)(device_t, void *);
241
242 void (*ioport)(device_t, void *, uint32_t, uint32_t);
243 void (*iorange)(device_t, void *, uint32_t, uint32_t,
244 uint32_t, uint32_t);
245
246 void (*memory)(device_t, void *, uint32_t, uint32_t);
247 void (*memrange)(device_t, void *, uint32_t, uint32_t,
248 uint32_t, uint32_t);
249
250 void (*irq)(device_t, void *, uint32_t, uint32_t);
251 void (*drq)(device_t, void *, uint32_t);
252
253 void (*start_dep)(device_t, void *, int);
254 void (*end_dep)(device_t, void *);
255 };
256
257 extern struct acpi_softc *acpi_softc;
258 extern int acpi_active;
259
260 extern const struct acpi_resource_parse_ops acpi_resource_parse_ops_default;
261
262 int acpi_check(device_t, const char *);
263 int acpi_probe(void);
264 ACPI_PHYSICAL_ADDRESS acpi_OsGetRootPointer(void);
265 int acpi_match_hid(ACPI_DEVICE_INFO *, const char * const *);
266 void acpi_set_wake_gpe(ACPI_HANDLE);
267 void acpi_clear_wake_gpe(ACPI_HANDLE);
268
269 ACPI_STATUS acpi_eval_integer(ACPI_HANDLE, const char *, ACPI_INTEGER *);
270 ACPI_STATUS acpi_eval_string(ACPI_HANDLE, const char *, char **);
271 ACPI_STATUS acpi_eval_struct(ACPI_HANDLE, const char *, ACPI_BUFFER *);
272
273 ACPI_STATUS acpi_foreach_package_object(ACPI_OBJECT *,
274 ACPI_STATUS (*)(ACPI_OBJECT *, void *), void *);
275 ACPI_STATUS acpi_get(ACPI_HANDLE, ACPI_BUFFER *,
276 ACPI_STATUS (*)(ACPI_HANDLE, ACPI_BUFFER *));
277 const char* acpi_name(ACPI_HANDLE);
278
279 ACPI_STATUS acpi_resource_parse(device_t, ACPI_HANDLE, const char *,
280 void *, const struct acpi_resource_parse_ops *);
281 void acpi_resource_print(device_t, struct acpi_resources *);
282 void acpi_resource_cleanup(struct acpi_resources *);
283 ACPI_STATUS acpi_allocate_resources(ACPI_HANDLE);
284
285 ACPI_STATUS acpi_pwr_switch_consumer(ACPI_HANDLE, int);
286
287 void * acpi_pci_link_devbyhandle(ACPI_HANDLE);
288 void acpi_pci_link_add_reference(void *, int, int, int, int);
289 int acpi_pci_link_route_interrupt(void *, int, int *, int *, int *);
290 char * acpi_pci_link_name(void *);
291 ACPI_HANDLE acpi_pci_link_handle(void *);
292 void acpi_pci_link_state(void);
293 void acpi_pci_link_resume(void);
294
295 struct acpi_io *acpi_res_io(struct acpi_resources *, int);
296 struct acpi_iorange *acpi_res_iorange(struct acpi_resources *, int);
297 struct acpi_mem *acpi_res_mem(struct acpi_resources *, int);
298 struct acpi_memrange *acpi_res_memrange(struct acpi_resources *, int);
299 struct acpi_irq *acpi_res_irq(struct acpi_resources *, int);
300 struct acpi_drq *acpi_res_drq(struct acpi_resources *, int);
301
302 /*
303 * power state transition
304 */
305 ACPI_STATUS acpi_enter_sleep_state(struct acpi_softc *, int);
306
307 /*
308 * quirk handling
309 */
310 struct acpi_quirk {
311 const char *aq_tabletype; /* what type of table (FADT, DSDT, etc) */
312 const char *aq_oemid; /* compared against the table OemId */
313 int aq_oemrev; /* compared against the table OemRev */
314 int aq_cmpop; /* how to compare the oemrev number */
315 const char *aq_tabid; /* compared against the table TableId */
316 int aq_quirks; /* the actual quirks */
317 };
318
319 #define AQ_GT 0 /* > */
320 #define AQ_LT 1 /* < */
321 #define AQ_GTE 2 /* >= */
322 #define AQ_LTE 3 /* <= */
323 #define AQ_EQ 4 /* == */
324
325 #define ACPI_QUIRK_BROKEN 0x00000001 /* totally broken */
326 #define ACPI_QUIRK_BADPCI 0x00000002 /* bad PCI hierarchy */
327 #define ACPI_QUIRK_BADBBN 0x00000004 /* _BBN broken */
328 #define ACPI_QUIRK_IRQ0 0x00000008 /* bad 0->2 irq override */
329
330 int acpi_find_quirks(void);
331