acpivar.h revision 1.51 1 /* $NetBSD: acpivar.h,v 1.51 2010/04/22 18:40:09 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 * ACPI driver capabilities.
69 */
70 #define ACPI_DEVICE_POWER __BIT(0)
71 #define ACPI_DEVICE_WAKEUP __BIT(1)
72
73 /*
74 * PCI information for ACPI device nodes that correspond to PCI devices.
75 */
76 struct acpi_pci_info {
77 uint16_t ap_segment; /* PCI segment group */
78 uint16_t ap_bus; /* PCI bus */
79 uint16_t ap_device; /* PCI device */
80 uint16_t ap_function; /* PCI function */
81 bool ap_bridge; /* PCI bridge (PHB or PPB) */
82 uint16_t ap_downbus; /* PCI bridge downstream bus */
83 };
84
85 /*
86 * An ACPI device node.
87 *
88 * Remarks:
89 *
90 * ad_device NULL if no device has attached to the node
91 * ad_root never NULL
92 * ad_parent only NULL if root of the tree ("\")
93 * ad_pciinfo NULL if not a PCI device
94 * ad_notify NULL if there is no notify handler
95 * ad_devinfo never NULL
96 * ad_handle never NULL
97 */
98 struct acpi_devnode {
99 device_t ad_device; /* Device */
100 device_t ad_root; /* Backpointer to acpi_softc */
101 struct acpi_devnode *ad_parent; /* Backpointer to parent */
102 struct acpi_pci_info *ad_pciinfo; /* PCI info */
103 ACPI_NOTIFY_HANDLER ad_notify; /* Device notify */
104 ACPI_DEVICE_INFO *ad_devinfo; /* Device info */
105 ACPI_HANDLE ad_handle; /* Device handle */
106 char ad_name[5]; /* Device name */
107 uint32_t ad_flags; /* Device flags */
108 uint32_t ad_type; /* Device type */
109 int ad_state; /* Device power state */
110 int ad_wake; /* Device wakeup */
111
112 SIMPLEQ_ENTRY(acpi_devnode) ad_list;
113 SIMPLEQ_ENTRY(acpi_devnode) ad_child_list;
114 SIMPLEQ_HEAD(, acpi_devnode) ad_child_head;
115 };
116
117 /*
118 * Software state of the ACPI subsystem.
119 */
120 struct acpi_softc {
121 device_t sc_dev; /* base device info */
122 device_t sc_apmbus; /* APM pseudo-bus */
123
124 struct acpi_devnode *sc_root; /* root of the device tree */
125
126 bus_space_tag_t sc_iot; /* PCI I/O space tag */
127 bus_space_tag_t sc_memt; /* PCI MEM space tag */
128 pci_chipset_tag_t sc_pc; /* PCI chipset tag */
129 int sc_pciflags; /* PCI bus flags */
130 int sc_pci_bus; /* internal PCI fixup */
131 isa_chipset_tag_t sc_ic; /* ISA chipset tag */
132
133 void *sc_sdhook; /* shutdown hook */
134
135 int sc_quirks;
136 int sc_sleepstate;
137 int sc_sleepstates;
138
139 struct sysmon_pswitch sc_smpsw_power;
140 struct sysmon_pswitch sc_smpsw_sleep;
141
142 SIMPLEQ_HEAD(, acpi_devnode) ad_head;
143 };
144
145 /*
146 * acpi_attach_args:
147 *
148 * Used to attach a device instance to the acpi "bus".
149 */
150 struct acpi_attach_args {
151 struct acpi_devnode *aa_node; /* ACPI device node */
152 bus_space_tag_t aa_iot; /* PCI I/O space tag */
153 bus_space_tag_t aa_memt; /* PCI MEM space tag */
154 pci_chipset_tag_t aa_pc; /* PCI chipset tag */
155 int aa_pciflags; /* PCI bus flags */
156 isa_chipset_tag_t aa_ic; /* ISA chipset */
157 };
158
159 /*
160 * ACPI resources:
161 *
162 * acpi_io I/O ports
163 * acpi_iorange I/O port range
164 * acpi_mem memory region
165 * acpi_memrange memory range
166 * acpi_irq Interrupt Request
167 * acpi_drq DMA request
168 */
169
170 struct acpi_io {
171 SIMPLEQ_ENTRY(acpi_io) ar_list;
172 int ar_index;
173 uint32_t ar_base;
174 uint32_t ar_length;
175 };
176
177 struct acpi_iorange {
178 SIMPLEQ_ENTRY(acpi_iorange) ar_list;
179 int ar_index;
180 uint32_t ar_low;
181 uint32_t ar_high;
182 uint32_t ar_length;
183 uint32_t ar_align;
184 };
185
186 struct acpi_mem {
187 SIMPLEQ_ENTRY(acpi_mem) ar_list;
188 int ar_index;
189 uint32_t ar_base;
190 uint32_t ar_length;
191 };
192
193 struct acpi_memrange {
194 SIMPLEQ_ENTRY(acpi_memrange) ar_list;
195 int ar_index;
196 uint32_t ar_low;
197 uint32_t ar_high;
198 uint32_t ar_length;
199 uint32_t ar_align;
200 };
201
202 struct acpi_irq {
203 SIMPLEQ_ENTRY(acpi_irq) ar_list;
204 int ar_index;
205 uint32_t ar_irq;
206 uint32_t ar_type;
207 };
208
209 struct acpi_drq {
210 SIMPLEQ_ENTRY(acpi_drq) ar_list;
211 int ar_index;
212 uint32_t ar_drq;
213 };
214
215 struct acpi_resources {
216 SIMPLEQ_HEAD(, acpi_io) ar_io;
217 int ar_nio;
218
219 SIMPLEQ_HEAD(, acpi_iorange) ar_iorange;
220 int ar_niorange;
221
222 SIMPLEQ_HEAD(, acpi_mem) ar_mem;
223 int ar_nmem;
224
225 SIMPLEQ_HEAD(, acpi_memrange) ar_memrange;
226 int ar_nmemrange;
227
228 SIMPLEQ_HEAD(, acpi_irq) ar_irq;
229 int ar_nirq;
230
231 SIMPLEQ_HEAD(, acpi_drq) ar_drq;
232 int ar_ndrq;
233 };
234
235 /*
236 * acpi_resource_parse_ops:
237 *
238 * The client of ACPI resources specifies these operations
239 * when the resources are parsed.
240 */
241 struct acpi_resource_parse_ops {
242 void (*init)(device_t, void *, void **);
243 void (*fini)(device_t, void *);
244
245 void (*ioport)(device_t, void *, uint32_t, uint32_t);
246 void (*iorange)(device_t, void *, uint32_t, uint32_t,
247 uint32_t, uint32_t);
248
249 void (*memory)(device_t, void *, uint32_t, uint32_t);
250 void (*memrange)(device_t, void *, uint32_t, uint32_t,
251 uint32_t, uint32_t);
252
253 void (*irq)(device_t, void *, uint32_t, uint32_t);
254 void (*drq)(device_t, void *, uint32_t);
255
256 void (*start_dep)(device_t, void *, int);
257 void (*end_dep)(device_t, void *);
258 };
259
260 extern struct acpi_softc *acpi_softc;
261 extern int acpi_active;
262
263 extern const struct acpi_resource_parse_ops acpi_resource_parse_ops_default;
264
265 int acpi_probe(void);
266 int acpi_check(device_t, const char *);
267
268 ACPI_PHYSICAL_ADDRESS acpi_OsGetRootPointer(void);
269
270 bool acpi_register_notify(struct acpi_devnode *,
271 ACPI_NOTIFY_HANDLER);
272 void acpi_deregister_notify(struct acpi_devnode *);
273
274 ACPI_STATUS acpi_resource_parse(device_t, ACPI_HANDLE, const char *,
275 void *, const struct acpi_resource_parse_ops *);
276 void acpi_resource_print(device_t, struct acpi_resources *);
277 void acpi_resource_cleanup(struct acpi_resources *);
278
279 ACPI_STATUS acpi_pwr_switch_consumer(ACPI_HANDLE, int);
280
281 void * acpi_pci_link_devbyhandle(ACPI_HANDLE);
282 void acpi_pci_link_add_reference(void *, int, int, int, int);
283 int acpi_pci_link_route_interrupt(void *, int, int *, int *, int *);
284 char * acpi_pci_link_name(void *);
285 ACPI_HANDLE acpi_pci_link_handle(void *);
286 void acpi_pci_link_state(void);
287 void acpi_pci_link_resume(void);
288
289 struct acpi_io *acpi_res_io(struct acpi_resources *, int);
290 struct acpi_iorange *acpi_res_iorange(struct acpi_resources *, int);
291 struct acpi_mem *acpi_res_mem(struct acpi_resources *, int);
292 struct acpi_memrange *acpi_res_memrange(struct acpi_resources *, int);
293 struct acpi_irq *acpi_res_irq(struct acpi_resources *, int);
294 struct acpi_drq *acpi_res_drq(struct acpi_resources *, int);
295
296 /*
297 * Sleep state transition.
298 */
299 ACPI_STATUS acpi_enter_sleep_state(struct acpi_softc *, int);
300
301 /*
302 * Quirk handling.
303 */
304 struct acpi_quirk {
305 const char *aq_tabletype; /* what type of table (FADT, DSDT, etc) */
306 const char *aq_oemid; /* compared against the table OemId */
307 int aq_oemrev; /* compared against the table OemRev */
308 int aq_cmpop; /* how to compare the oemrev number */
309 const char *aq_tabid; /* compared against the table TableId */
310 int aq_quirks; /* the actual quirks */
311 };
312
313 #define ACPI_QUIRK_BROKEN 0x00000001 /* totally broken */
314 #define ACPI_QUIRK_BADPCI 0x00000002 /* bad PCI hierarchy */
315 #define ACPI_QUIRK_BADBBN 0x00000004 /* _BBN broken */
316 #define ACPI_QUIRK_IRQ0 0x00000008 /* bad 0->2 irq override */
317
318 int acpi_find_quirks(void);
319
320 #ifdef ACPI_DEBUG
321 void acpi_debug_init(void);
322 #endif
323
324 #endif /* !_SYS_DEV_ACPI_ACPIVAR_H */
325