acpivar.h revision 1.57 1 /* $NetBSD: acpivar.h,v 1.57 2010/06/08 16:55:02 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 struct acpi_pci_info {
71 uint16_t ap_segment; /* PCI segment group */
72 uint16_t ap_bus; /* PCI bus */
73 uint16_t ap_device; /* PCI device */
74 uint16_t ap_function; /* PCI function */
75 bool ap_bridge; /* PCI bridge (PHB or PPB) */
76 uint16_t ap_downbus; /* PCI bridge downstream bus */
77 };
78
79 /*
80 * An ACPI device node.
81 *
82 * Remarks:
83 *
84 * ad_device NULL if no device has attached to the node
85 * ad_root never NULL
86 * ad_parent only NULL if root of the tree ("\")
87 * ad_pciinfo NULL if not a PCI device
88 * ad_notify NULL if there is no notify handler
89 * ad_devinfo never NULL
90 * ad_handle never NULL
91 *
92 * Each ACPI device node is associated with its handle. The function
93 * acpi_get_node() can be used to get the node structure from a handle.
94 */
95 struct acpi_devnode {
96 device_t ad_device; /* Device */
97 device_t ad_root; /* Backpointer to acpi_softc */
98 struct acpi_devnode *ad_parent; /* Backpointer to parent */
99 struct acpi_pci_info *ad_pciinfo; /* PCI info */
100 ACPI_NOTIFY_HANDLER ad_notify; /* Device notify */
101 ACPI_DEVICE_INFO *ad_devinfo; /* Device info */
102 ACPI_HANDLE ad_handle; /* Device handle */
103 char ad_name[5]; /* Device name */
104 uint32_t ad_flags; /* Device flags */
105 uint32_t ad_type; /* Device type */
106 int ad_state; /* Device power state */
107 int ad_wake; /* Device wakeup */
108
109 SIMPLEQ_ENTRY(acpi_devnode) ad_list;
110 SIMPLEQ_ENTRY(acpi_devnode) ad_child_list;
111 SIMPLEQ_HEAD(, acpi_devnode) ad_child_head;
112 };
113
114 /*
115 * ACPI driver capabilities.
116 */
117 #define ACPI_DEVICE_POWER __BIT(0) /* Support for D-states */
118 #define ACPI_DEVICE_WAKEUP __BIT(1) /* Support for wake-up */
119 #define ACPI_DEVICE_EJECT __BIT(2) /* Support for "ejection" */
120
121 /*
122 * Software state of the ACPI subsystem.
123 */
124 struct acpi_softc {
125 device_t sc_dev; /* base device info */
126 device_t sc_apmbus; /* APM pseudo-bus */
127
128 struct acpi_devnode *sc_root; /* root of the device tree */
129
130 bus_space_tag_t sc_iot; /* PCI I/O space tag */
131 bus_space_tag_t sc_memt; /* PCI MEM space tag */
132 pci_chipset_tag_t sc_pc; /* PCI chipset tag */
133 int sc_pciflags; /* PCI bus flags */
134 int sc_pci_bus; /* internal PCI fixup */
135 isa_chipset_tag_t sc_ic; /* ISA chipset tag */
136
137 void *sc_sdhook; /* shutdown hook */
138
139 int sc_quirks;
140 int sc_sleepstate;
141 int sc_sleepstates;
142
143 struct sysmon_pswitch sc_smpsw_power;
144 struct sysmon_pswitch sc_smpsw_sleep;
145
146 SIMPLEQ_HEAD(, acpi_devnode) ad_head;
147 };
148
149 /*
150 * acpi_attach_args:
151 *
152 * Used to attach a device instance to the acpi "bus".
153 */
154 struct acpi_attach_args {
155 struct acpi_devnode *aa_node; /* ACPI device node */
156 bus_space_tag_t aa_iot; /* PCI I/O space tag */
157 bus_space_tag_t aa_memt; /* PCI MEM space tag */
158 pci_chipset_tag_t aa_pc; /* PCI chipset tag */
159 int aa_pciflags; /* PCI bus flags */
160 isa_chipset_tag_t aa_ic; /* ISA chipset */
161 };
162
163 /*
164 * ACPI resources:
165 *
166 * acpi_io I/O ports
167 * acpi_iorange I/O port range
168 * acpi_mem memory region
169 * acpi_memrange memory range
170 * acpi_irq Interrupt Request
171 * acpi_drq DMA request
172 */
173 struct acpi_io {
174 SIMPLEQ_ENTRY(acpi_io) ar_list;
175 int ar_index;
176 uint32_t ar_base;
177 uint32_t ar_length;
178 };
179
180 struct acpi_iorange {
181 SIMPLEQ_ENTRY(acpi_iorange) ar_list;
182 int ar_index;
183 uint32_t ar_low;
184 uint32_t ar_high;
185 uint32_t ar_length;
186 uint32_t ar_align;
187 };
188
189 struct acpi_mem {
190 SIMPLEQ_ENTRY(acpi_mem) ar_list;
191 int ar_index;
192 uint32_t ar_base;
193 uint32_t ar_length;
194 };
195
196 struct acpi_memrange {
197 SIMPLEQ_ENTRY(acpi_memrange) ar_list;
198 int ar_index;
199 uint32_t ar_low;
200 uint32_t ar_high;
201 uint32_t ar_length;
202 uint32_t ar_align;
203 };
204
205 struct acpi_irq {
206 SIMPLEQ_ENTRY(acpi_irq) ar_list;
207 int ar_index;
208 uint32_t ar_irq;
209 uint32_t ar_type;
210 };
211
212 struct acpi_drq {
213 SIMPLEQ_ENTRY(acpi_drq) ar_list;
214 int ar_index;
215 uint32_t ar_drq;
216 };
217
218 struct acpi_resources {
219 SIMPLEQ_HEAD(, acpi_io) ar_io;
220 int ar_nio;
221
222 SIMPLEQ_HEAD(, acpi_iorange) ar_iorange;
223 int ar_niorange;
224
225 SIMPLEQ_HEAD(, acpi_mem) ar_mem;
226 int ar_nmem;
227
228 SIMPLEQ_HEAD(, acpi_memrange) ar_memrange;
229 int ar_nmemrange;
230
231 SIMPLEQ_HEAD(, acpi_irq) ar_irq;
232 int ar_nirq;
233
234 SIMPLEQ_HEAD(, acpi_drq) ar_drq;
235 int ar_ndrq;
236 };
237
238 /*
239 * acpi_resource_parse_ops:
240 *
241 * The client of ACPI resources specifies these operations
242 * when the resources are parsed.
243 */
244 struct acpi_resource_parse_ops {
245 void (*init)(device_t, void *, void **);
246 void (*fini)(device_t, void *);
247
248 void (*ioport)(device_t, void *, uint32_t, uint32_t);
249 void (*iorange)(device_t, void *, uint32_t, uint32_t,
250 uint32_t, uint32_t);
251
252 void (*memory)(device_t, void *, uint32_t, uint32_t);
253 void (*memrange)(device_t, void *, uint32_t, uint32_t,
254 uint32_t, uint32_t);
255
256 void (*irq)(device_t, void *, uint32_t, uint32_t);
257 void (*drq)(device_t, void *, uint32_t);
258
259 void (*start_dep)(device_t, void *, int);
260 void (*end_dep)(device_t, void *);
261 };
262
263 extern struct acpi_softc *acpi_softc;
264 extern int acpi_active;
265
266 extern const struct acpi_resource_parse_ops acpi_resource_parse_ops_default;
267
268 int acpi_probe(void);
269 int acpi_check(device_t, const char *);
270
271 ACPI_PHYSICAL_ADDRESS acpi_OsGetRootPointer(void);
272
273 bool acpi_register_notify(struct acpi_devnode *,
274 ACPI_NOTIFY_HANDLER);
275 void acpi_deregister_notify(struct acpi_devnode *);
276
277 ACPI_STATUS acpi_resource_parse(device_t, ACPI_HANDLE, const char *,
278 void *, const struct acpi_resource_parse_ops *);
279 void acpi_resource_print(device_t, struct acpi_resources *);
280 void acpi_resource_cleanup(struct acpi_resources *);
281
282 void * acpi_pci_link_devbyhandle(ACPI_HANDLE);
283 void acpi_pci_link_add_reference(void *, int, int, int, int);
284 int acpi_pci_link_route_interrupt(void *, int, int *, int *, int *);
285 char * acpi_pci_link_name(void *);
286 ACPI_HANDLE acpi_pci_link_handle(void *);
287 void acpi_pci_link_state(void);
288 void acpi_pci_link_resume(void);
289
290 struct acpi_io *acpi_res_io(struct acpi_resources *, int);
291 struct acpi_iorange *acpi_res_iorange(struct acpi_resources *, int);
292 struct acpi_mem *acpi_res_mem(struct acpi_resources *, int);
293 struct acpi_memrange *acpi_res_memrange(struct acpi_resources *, int);
294 struct acpi_irq *acpi_res_irq(struct acpi_resources *, int);
295 struct acpi_drq *acpi_res_drq(struct acpi_resources *, int);
296
297 /*
298 * Sleep state transition.
299 */
300 void acpi_enter_sleep_state(struct acpi_softc *, int);
301
302 /*
303 * Quirk handling.
304 */
305 struct acpi_quirk {
306 const char *aq_tabletype; /* what type of table (FADT, DSDT, etc) */
307 const char *aq_oemid; /* compared against the table OemId */
308 int aq_oemrev; /* compared against the table OemRev */
309 int aq_cmpop; /* how to compare the oemrev number */
310 const char *aq_tabid; /* compared against the table TableId */
311 int aq_quirks; /* the actual quirks */
312 };
313
314 #define ACPI_QUIRK_BROKEN 0x00000001 /* totally broken */
315 #define ACPI_QUIRK_BADPCI 0x00000002 /* bad PCI hierarchy */
316 #define ACPI_QUIRK_BADBBN 0x00000004 /* _BBN broken */
317 #define ACPI_QUIRK_IRQ0 0x00000008 /* bad 0->2 irq override */
318
319 int acpi_find_quirks(void);
320
321 #ifdef ACPI_DEBUG
322 void acpi_debug_init(void);
323 #endif
324
325 /* Misc routines with vectors updated by acpiverbose module */
326 extern void (*acpi_print_devnodes)(struct acpi_softc *);
327 extern void (*acpi_print_tree)(struct acpi_devnode *, uint32_t);
328 extern void (*acpi_print_dev)(const char *);
329 extern void (*acpi_wmidump)(void *);
330
331 void acpi_wmidump_real(void *);
332
333 void acpi_null(void);
334
335 void acpi_load_verbose(void);
336 extern int acpi_verbose_loaded;
337
338 #endif /* !_SYS_DEV_ACPI_ACPIVAR_H */
339