acpivar.h revision 1.64 1 /* $NetBSD: acpivar.h,v 1.64 2010/10/24 07:53:04 jruoho 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 #ifndef _SYS_DEV_ACPI_ACPIVAR_H
39 #define _SYS_DEV_ACPI_ACPIVAR_H
40
41 /*
42 * This file defines the ACPI interface provided to the rest of the
43 * kernel, as well as the autoconfiguration structures for ACPI
44 * support.
45 */
46
47 #include <sys/bus.h>
48 #include <dev/pci/pcivar.h>
49 #include <dev/isa/isavar.h>
50
51 #include <dev/acpi/acpica.h>
52 #include <dev/acpi/acpi_util.h>
53
54 #include <dev/sysmon/sysmonvar.h>
55
56 /*
57 * This structure is used to attach the ACPI "bus".
58 */
59 struct acpibus_attach_args {
60 bus_space_tag_t aa_iot; /* PCI I/O space tag */
61 bus_space_tag_t aa_memt; /* PCI MEM space tag */
62 pci_chipset_tag_t aa_pc; /* PCI chipset */
63 int aa_pciflags; /* PCI bus flags */
64 isa_chipset_tag_t aa_ic; /* ISA chipset */
65 };
66
67 /*
68 * PCI information for ACPI device nodes that correspond to PCI devices.
69 *
70 * Remarks:
71 *
72 * ap_bus <= 255
73 * ap_device <= 31
74 * ap_function <= 7 or ap_function == 0xFFFF
75 * ap_downbus <= 255 if ap_bridge == true
76 *
77 * The device and function numbers are encoded in the value returned by
78 * _ADR. A function number of 0xFFFF is used to refer to all the
79 * functions on a PCI device (ACPI 4.0a, p. 200).
80 */
81 struct acpi_pci_info {
82 uint16_t ap_segment; /* PCI segment group */
83 uint16_t ap_bus; /* PCI bus */
84 uint16_t ap_device; /* PCI device */
85 uint16_t ap_function; /* PCI function */
86 bool ap_bridge; /* PCI bridge (PHB or PPB) */
87 uint16_t ap_downbus; /* PCI bridge downstream bus */
88 };
89
90 /*
91 * An ACPI device node.
92 *
93 * Remarks:
94 *
95 * ad_device NULL if no device has attached to the node
96 * ad_root never NULL
97 * ad_parent only NULL if root of the tree ("\")
98 * ad_pciinfo NULL if not a PCI device
99 * ad_notify NULL if there is no notify handler
100 * ad_devinfo never NULL
101 * ad_handle never NULL
102 *
103 * Each ACPI device node is associated with its handle. The function
104 * acpi_get_node() can be used to get the node structure from a handle.
105 */
106 struct acpi_devnode {
107 device_t ad_device; /* Device */
108 device_t ad_root; /* Backpointer to acpi_softc */
109 struct acpi_devnode *ad_parent; /* Backpointer to parent */
110 struct acpi_pci_info *ad_pciinfo; /* PCI info */
111 ACPI_NOTIFY_HANDLER ad_notify; /* Device notify */
112 ACPI_DEVICE_INFO *ad_devinfo; /* Device info */
113 ACPI_HANDLE ad_handle; /* Device handle */
114 char ad_name[5]; /* Device name */
115 uint32_t ad_flags; /* Device flags */
116 uint32_t ad_type; /* Device type */
117 int ad_state; /* Device power state */
118 int ad_wake; /* Device wakeup */
119
120 SIMPLEQ_ENTRY(acpi_devnode) ad_list;
121 SIMPLEQ_ENTRY(acpi_devnode) ad_child_list;
122 SIMPLEQ_HEAD(, acpi_devnode) ad_child_head;
123 };
124
125 /*
126 * ACPI driver capabilities.
127 */
128 #define ACPI_DEVICE_POWER __BIT(0) /* Support for D-states */
129 #define ACPI_DEVICE_WAKEUP __BIT(1) /* Support for wake-up */
130 #define ACPI_DEVICE_EJECT __BIT(2) /* Support for "ejection" */
131
132 /*
133 * Software state of the ACPI subsystem.
134 */
135 struct acpi_softc {
136 device_t sc_dev; /* base device info */
137 device_t sc_apmbus; /* APM pseudo-bus */
138
139 struct acpi_devnode *sc_root; /* root of the device tree */
140
141 bus_space_tag_t sc_iot; /* PCI I/O space tag */
142 bus_space_tag_t sc_memt; /* PCI MEM space tag */
143 pci_chipset_tag_t sc_pc; /* PCI chipset tag */
144 int sc_pciflags; /* PCI bus flags */
145 int sc_pci_bus; /* internal PCI fixup */
146 isa_chipset_tag_t sc_ic; /* ISA chipset tag */
147
148 void *sc_sdhook; /* shutdown hook */
149
150 int sc_quirks;
151 int sc_sleepstate;
152 int sc_sleepstates;
153
154 struct sysmon_pswitch sc_smpsw_power;
155 struct sysmon_pswitch sc_smpsw_sleep;
156
157 SIMPLEQ_HEAD(, acpi_devnode) ad_head;
158 };
159
160 /*
161 * acpi_attach_args:
162 *
163 * Used to attach a device instance to the acpi "bus".
164 */
165 struct acpi_attach_args {
166 struct acpi_devnode *aa_node; /* ACPI device node */
167 bus_space_tag_t aa_iot; /* PCI I/O space tag */
168 bus_space_tag_t aa_memt; /* PCI MEM space tag */
169 pci_chipset_tag_t aa_pc; /* PCI chipset tag */
170 int aa_pciflags; /* PCI bus flags */
171 isa_chipset_tag_t aa_ic; /* ISA chipset */
172 };
173
174 /*
175 * ACPI resources:
176 *
177 * acpi_io I/O ports
178 * acpi_iorange I/O port range
179 * acpi_mem memory region
180 * acpi_memrange memory range
181 * acpi_irq Interrupt Request
182 * acpi_drq DMA request
183 */
184 struct acpi_io {
185 SIMPLEQ_ENTRY(acpi_io) ar_list;
186 int ar_index;
187 uint32_t ar_base;
188 uint32_t ar_length;
189 };
190
191 struct acpi_iorange {
192 SIMPLEQ_ENTRY(acpi_iorange) ar_list;
193 int ar_index;
194 uint32_t ar_low;
195 uint32_t ar_high;
196 uint32_t ar_length;
197 uint32_t ar_align;
198 };
199
200 struct acpi_mem {
201 SIMPLEQ_ENTRY(acpi_mem) ar_list;
202 int ar_index;
203 uint32_t ar_base;
204 uint32_t ar_length;
205 };
206
207 struct acpi_memrange {
208 SIMPLEQ_ENTRY(acpi_memrange) ar_list;
209 int ar_index;
210 uint32_t ar_low;
211 uint32_t ar_high;
212 uint32_t ar_length;
213 uint32_t ar_align;
214 };
215
216 struct acpi_irq {
217 SIMPLEQ_ENTRY(acpi_irq) ar_list;
218 int ar_index;
219 uint32_t ar_irq;
220 uint32_t ar_type;
221 };
222
223 struct acpi_drq {
224 SIMPLEQ_ENTRY(acpi_drq) ar_list;
225 int ar_index;
226 uint32_t ar_drq;
227 };
228
229 struct acpi_resources {
230 SIMPLEQ_HEAD(, acpi_io) ar_io;
231 int ar_nio;
232
233 SIMPLEQ_HEAD(, acpi_iorange) ar_iorange;
234 int ar_niorange;
235
236 SIMPLEQ_HEAD(, acpi_mem) ar_mem;
237 int ar_nmem;
238
239 SIMPLEQ_HEAD(, acpi_memrange) ar_memrange;
240 int ar_nmemrange;
241
242 SIMPLEQ_HEAD(, acpi_irq) ar_irq;
243 int ar_nirq;
244
245 SIMPLEQ_HEAD(, acpi_drq) ar_drq;
246 int ar_ndrq;
247 };
248
249 /*
250 * acpi_resource_parse_ops:
251 *
252 * The client of ACPI resources specifies these operations
253 * when the resources are parsed.
254 */
255 struct acpi_resource_parse_ops {
256 void (*init)(device_t, void *, void **);
257 void (*fini)(device_t, void *);
258
259 void (*ioport)(device_t, void *, uint32_t, uint32_t);
260 void (*iorange)(device_t, void *, uint32_t, uint32_t,
261 uint32_t, uint32_t);
262
263 void (*memory)(device_t, void *, uint32_t, uint32_t);
264 void (*memrange)(device_t, void *, uint32_t, uint32_t,
265 uint32_t, uint32_t);
266
267 void (*irq)(device_t, void *, uint32_t, uint32_t);
268 void (*drq)(device_t, void *, uint32_t);
269
270 void (*start_dep)(device_t, void *, int);
271 void (*end_dep)(device_t, void *);
272 };
273
274 extern struct acpi_softc *acpi_softc;
275 extern int acpi_active;
276
277 extern const struct acpi_resource_parse_ops acpi_resource_parse_ops_default;
278
279 int acpi_probe(void);
280 void acpi_disable(void);
281 int acpi_check(device_t, const char *);
282
283 ACPI_PHYSICAL_ADDRESS acpi_OsGetRootPointer(void);
284
285 bool acpi_register_notify(struct acpi_devnode *,
286 ACPI_NOTIFY_HANDLER);
287 void acpi_deregister_notify(struct acpi_devnode *);
288
289 ACPI_STATUS acpi_resource_parse(device_t, ACPI_HANDLE, const char *,
290 void *, const struct acpi_resource_parse_ops *);
291 void acpi_resource_print(device_t, struct acpi_resources *);
292 void acpi_resource_cleanup(struct acpi_resources *);
293
294 void * acpi_pci_link_devbyhandle(ACPI_HANDLE);
295 void acpi_pci_link_add_reference(void *, int, int, int, int);
296 int acpi_pci_link_route_interrupt(void *, int, int *, int *, int *);
297 char * acpi_pci_link_name(void *);
298 ACPI_HANDLE acpi_pci_link_handle(void *);
299 void acpi_pci_link_state(void);
300 void acpi_pci_link_resume(void);
301
302 struct acpi_io *acpi_res_io(struct acpi_resources *, int);
303 struct acpi_iorange *acpi_res_iorange(struct acpi_resources *, int);
304 struct acpi_mem *acpi_res_mem(struct acpi_resources *, int);
305 struct acpi_memrange *acpi_res_memrange(struct acpi_resources *, int);
306 struct acpi_irq *acpi_res_irq(struct acpi_resources *, int);
307 struct acpi_drq *acpi_res_drq(struct acpi_resources *, int);
308
309 /*
310 * Sleep state transition.
311 */
312 void acpi_enter_sleep_state(int);
313
314 /*
315 * MADT.
316 */
317 #define ACPI_PLATFORM_INT_PMI 1
318 #define ACPI_PLATFORM_INT_INIT 2
319 #define ACPI_PLATFORM_INT_CERR 3
320
321 ACPI_STATUS acpi_madt_map(void);
322 void acpi_madt_unmap(void);
323 void acpi_madt_walk(ACPI_STATUS (*)(ACPI_SUBTABLE_HEADER *,
324 void *), void *);
325
326 /*
327 * Quirk handling.
328 */
329 struct acpi_quirk {
330 const char *aq_tabletype; /* what type of table (FADT, DSDT, etc) */
331 const char *aq_oemid; /* compared against the table OemId */
332 int aq_oemrev; /* compared against the table OemRev */
333 int aq_cmpop; /* how to compare the oemrev number */
334 const char *aq_tabid; /* compared against the table TableId */
335 int aq_quirks; /* the actual quirks */
336 };
337
338 #define ACPI_QUIRK_BROKEN 0x00000001 /* totally broken */
339 #define ACPI_QUIRK_BADPCI 0x00000002 /* bad PCI hierarchy */
340 #define ACPI_QUIRK_BADBBN 0x00000004 /* _BBN broken */
341 #define ACPI_QUIRK_IRQ0 0x00000008 /* bad 0->2 irq override */
342 #define ACPI_QUIRK_OLDBIOS 0x00000010 /* BIOS date blacklisted */
343
344 int acpi_find_quirks(void);
345
346 #ifdef ACPI_DEBUG
347 void acpi_debug_init(void);
348 #endif
349
350 /*
351 * Misc routines with vectors updated by acpiverbose module.
352 */
353 extern void (*acpi_print_verbose)(struct acpi_softc *);
354 extern void (*acpi_print_dev)(const char *);
355
356 void acpi_load_verbose(void);
357 extern int acpi_verbose_loaded;
358
359 #endif /* !_SYS_DEV_ACPI_ACPIVAR_H */
360