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-rw-r--r--include/acpi/acpi_bus.h332
1 files changed, 158 insertions, 174 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 8d0e1290bc76..4f4b2baa7176 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -35,48 +35,41 @@
35/* TBD: Make dynamic */ 35/* TBD: Make dynamic */
36#define ACPI_MAX_HANDLES 10 36#define ACPI_MAX_HANDLES 10
37struct acpi_handle_list { 37struct acpi_handle_list {
38 u32 count; 38 u32 count;
39 acpi_handle handles[ACPI_MAX_HANDLES]; 39 acpi_handle handles[ACPI_MAX_HANDLES];
40}; 40};
41 41
42
43/* acpi_utils.h */ 42/* acpi_utils.h */
44acpi_status 43acpi_status
45acpi_extract_package ( 44acpi_extract_package(union acpi_object *package,
46 union acpi_object *package, 45 struct acpi_buffer *format, struct acpi_buffer *buffer);
47 struct acpi_buffer *format,
48 struct acpi_buffer *buffer);
49acpi_status 46acpi_status
50acpi_evaluate_integer ( 47acpi_evaluate_integer(acpi_handle handle,
51 acpi_handle handle, 48 acpi_string pathname,
52 acpi_string pathname, 49 struct acpi_object_list *arguments, unsigned long *data);
53 struct acpi_object_list *arguments,
54 unsigned long *data);
55acpi_status 50acpi_status
56acpi_evaluate_reference ( 51acpi_evaluate_reference(acpi_handle handle,
57 acpi_handle handle, 52 acpi_string pathname,
58 acpi_string pathname, 53 struct acpi_object_list *arguments,
59 struct acpi_object_list *arguments, 54 struct acpi_handle_list *list);
60 struct acpi_handle_list *list);
61
62 55
63#ifdef CONFIG_ACPI_BUS 56#ifdef CONFIG_ACPI_BUS
64 57
65#include <linux/proc_fs.h> 58#include <linux/proc_fs.h>
66 59
67#define ACPI_BUS_FILE_ROOT "acpi" 60#define ACPI_BUS_FILE_ROOT "acpi"
68extern struct proc_dir_entry *acpi_root_dir; 61extern struct proc_dir_entry *acpi_root_dir;
69extern FADT_DESCRIPTOR acpi_fadt; 62extern FADT_DESCRIPTOR acpi_fadt;
70 63
71enum acpi_bus_removal_type { 64enum acpi_bus_removal_type {
72 ACPI_BUS_REMOVAL_NORMAL = 0, 65 ACPI_BUS_REMOVAL_NORMAL = 0,
73 ACPI_BUS_REMOVAL_EJECT, 66 ACPI_BUS_REMOVAL_EJECT,
74 ACPI_BUS_REMOVAL_SUPRISE, 67 ACPI_BUS_REMOVAL_SUPRISE,
75 ACPI_BUS_REMOVAL_TYPE_COUNT 68 ACPI_BUS_REMOVAL_TYPE_COUNT
76}; 69};
77 70
78enum acpi_bus_device_type { 71enum acpi_bus_device_type {
79 ACPI_BUS_TYPE_DEVICE = 0, 72 ACPI_BUS_TYPE_DEVICE = 0,
80 ACPI_BUS_TYPE_POWER, 73 ACPI_BUS_TYPE_POWER,
81 ACPI_BUS_TYPE_PROCESSOR, 74 ACPI_BUS_TYPE_PROCESSOR,
82 ACPI_BUS_TYPE_THERMAL, 75 ACPI_BUS_TYPE_THERMAL,
@@ -89,61 +82,60 @@ enum acpi_bus_device_type {
89struct acpi_driver; 82struct acpi_driver;
90struct acpi_device; 83struct acpi_device;
91 84
92
93/* 85/*
94 * ACPI Driver 86 * ACPI Driver
95 * ----------- 87 * -----------
96 */ 88 */
97 89
98typedef int (*acpi_op_add) (struct acpi_device *device); 90typedef int (*acpi_op_add) (struct acpi_device * device);
99typedef int (*acpi_op_remove) (struct acpi_device *device, int type); 91typedef int (*acpi_op_remove) (struct acpi_device * device, int type);
100typedef int (*acpi_op_lock) (struct acpi_device *device, int type); 92typedef int (*acpi_op_lock) (struct acpi_device * device, int type);
101typedef int (*acpi_op_start) (struct acpi_device *device); 93typedef int (*acpi_op_start) (struct acpi_device * device);
102typedef int (*acpi_op_stop) (struct acpi_device *device, int type); 94typedef int (*acpi_op_stop) (struct acpi_device * device, int type);
103typedef int (*acpi_op_suspend) (struct acpi_device *device, int state); 95typedef int (*acpi_op_suspend) (struct acpi_device * device, int state);
104typedef int (*acpi_op_resume) (struct acpi_device *device, int state); 96typedef int (*acpi_op_resume) (struct acpi_device * device, int state);
105typedef int (*acpi_op_scan) (struct acpi_device *device); 97typedef int (*acpi_op_scan) (struct acpi_device * device);
106typedef int (*acpi_op_bind) (struct acpi_device *device); 98typedef int (*acpi_op_bind) (struct acpi_device * device);
107typedef int (*acpi_op_unbind) (struct acpi_device *device); 99typedef int (*acpi_op_unbind) (struct acpi_device * device);
108typedef int (*acpi_op_match) (struct acpi_device *device, 100typedef int (*acpi_op_match) (struct acpi_device * device,
109 struct acpi_driver *driver); 101 struct acpi_driver * driver);
110 102
111struct acpi_bus_ops { 103struct acpi_bus_ops {
112 u32 acpi_op_add:1; 104 u32 acpi_op_add:1;
113 u32 acpi_op_remove:1; 105 u32 acpi_op_remove:1;
114 u32 acpi_op_lock:1; 106 u32 acpi_op_lock:1;
115 u32 acpi_op_start:1; 107 u32 acpi_op_start:1;
116 u32 acpi_op_stop:1; 108 u32 acpi_op_stop:1;
117 u32 acpi_op_suspend:1; 109 u32 acpi_op_suspend:1;
118 u32 acpi_op_resume:1; 110 u32 acpi_op_resume:1;
119 u32 acpi_op_scan:1; 111 u32 acpi_op_scan:1;
120 u32 acpi_op_bind:1; 112 u32 acpi_op_bind:1;
121 u32 acpi_op_unbind:1; 113 u32 acpi_op_unbind:1;
122 u32 acpi_op_match:1; 114 u32 acpi_op_match:1;
123 u32 reserved:21; 115 u32 reserved:21;
124}; 116};
125 117
126struct acpi_device_ops { 118struct acpi_device_ops {
127 acpi_op_add add; 119 acpi_op_add add;
128 acpi_op_remove remove; 120 acpi_op_remove remove;
129 acpi_op_lock lock; 121 acpi_op_lock lock;
130 acpi_op_start start; 122 acpi_op_start start;
131 acpi_op_stop stop; 123 acpi_op_stop stop;
132 acpi_op_suspend suspend; 124 acpi_op_suspend suspend;
133 acpi_op_resume resume; 125 acpi_op_resume resume;
134 acpi_op_scan scan; 126 acpi_op_scan scan;
135 acpi_op_bind bind; 127 acpi_op_bind bind;
136 acpi_op_unbind unbind; 128 acpi_op_unbind unbind;
137 acpi_op_match match; 129 acpi_op_match match;
138}; 130};
139 131
140struct acpi_driver { 132struct acpi_driver {
141 struct list_head node; 133 struct list_head node;
142 char name[80]; 134 char name[80];
143 char class[80]; 135 char class[80];
144 atomic_t references; 136 atomic_t references;
145 char *ids; /* Supported Hardware IDs */ 137 char *ids; /* Supported Hardware IDs */
146 struct acpi_device_ops ops; 138 struct acpi_device_ops ops;
147}; 139};
148 140
149/* 141/*
@@ -154,60 +146,57 @@ struct acpi_driver {
154/* Status (_STA) */ 146/* Status (_STA) */
155 147
156struct acpi_device_status { 148struct acpi_device_status {
157 u32 present:1; 149 u32 present:1;
158 u32 enabled:1; 150 u32 enabled:1;
159 u32 show_in_ui:1; 151 u32 show_in_ui:1;
160 u32 functional:1; 152 u32 functional:1;
161 u32 battery_present:1; 153 u32 battery_present:1;
162 u32 reserved:27; 154 u32 reserved:27;
163}; 155};
164 156
165
166/* Flags */ 157/* Flags */
167 158
168struct acpi_device_flags { 159struct acpi_device_flags {
169 u32 dynamic_status:1; 160 u32 dynamic_status:1;
170 u32 hardware_id:1; 161 u32 hardware_id:1;
171 u32 compatible_ids:1; 162 u32 compatible_ids:1;
172 u32 bus_address:1; 163 u32 bus_address:1;
173 u32 unique_id:1; 164 u32 unique_id:1;
174 u32 removable:1; 165 u32 removable:1;
175 u32 ejectable:1; 166 u32 ejectable:1;
176 u32 lockable:1; 167 u32 lockable:1;
177 u32 suprise_removal_ok:1; 168 u32 suprise_removal_ok:1;
178 u32 power_manageable:1; 169 u32 power_manageable:1;
179 u32 performance_manageable:1; 170 u32 performance_manageable:1;
180 u32 wake_capable:1; /* Wakeup(_PRW) supported? */ 171 u32 wake_capable:1; /* Wakeup(_PRW) supported? */
181 u32 reserved:20; 172 u32 reserved:20;
182}; 173};
183 174
184
185/* File System */ 175/* File System */
186 176
187struct acpi_device_dir { 177struct acpi_device_dir {
188 struct proc_dir_entry *entry; 178 struct proc_dir_entry *entry;
189}; 179};
190 180
191#define acpi_device_dir(d) ((d)->dir.entry) 181#define acpi_device_dir(d) ((d)->dir.entry)
192 182
193
194/* Plug and Play */ 183/* Plug and Play */
195 184
196typedef char acpi_bus_id[5]; 185typedef char acpi_bus_id[5];
197typedef unsigned long acpi_bus_address; 186typedef unsigned long acpi_bus_address;
198typedef char acpi_hardware_id[9]; 187typedef char acpi_hardware_id[9];
199typedef char acpi_unique_id[9]; 188typedef char acpi_unique_id[9];
200typedef char acpi_device_name[40]; 189typedef char acpi_device_name[40];
201typedef char acpi_device_class[20]; 190typedef char acpi_device_class[20];
202 191
203struct acpi_device_pnp { 192struct acpi_device_pnp {
204 acpi_bus_id bus_id; /* Object name */ 193 acpi_bus_id bus_id; /* Object name */
205 acpi_bus_address bus_address; /* _ADR */ 194 acpi_bus_address bus_address; /* _ADR */
206 acpi_hardware_id hardware_id; /* _HID */ 195 acpi_hardware_id hardware_id; /* _HID */
207 struct acpi_compatible_id_list *cid_list; /* _CIDs */ 196 struct acpi_compatible_id_list *cid_list; /* _CIDs */
208 acpi_unique_id unique_id; /* _UID */ 197 acpi_unique_id unique_id; /* _UID */
209 acpi_device_name device_name; /* Driver-determined */ 198 acpi_device_name device_name; /* Driver-determined */
210 acpi_device_class device_class; /* " */ 199 acpi_device_class device_class; /* " */
211}; 200};
212 201
213#define acpi_device_bid(d) ((d)->pnp.bus_id) 202#define acpi_device_bid(d) ((d)->pnp.bus_id)
@@ -217,114 +206,111 @@ struct acpi_device_pnp {
217#define acpi_device_name(d) ((d)->pnp.device_name) 206#define acpi_device_name(d) ((d)->pnp.device_name)
218#define acpi_device_class(d) ((d)->pnp.device_class) 207#define acpi_device_class(d) ((d)->pnp.device_class)
219 208
220
221/* Power Management */ 209/* Power Management */
222 210
223struct acpi_device_power_flags { 211struct acpi_device_power_flags {
224 u32 explicit_get:1; /* _PSC present? */ 212 u32 explicit_get:1; /* _PSC present? */
225 u32 power_resources:1; /* Power resources */ 213 u32 power_resources:1; /* Power resources */
226 u32 inrush_current:1; /* Serialize Dx->D0 */ 214 u32 inrush_current:1; /* Serialize Dx->D0 */
227 u32 power_removed:1; /* Optimize Dx->D0 */ 215 u32 power_removed:1; /* Optimize Dx->D0 */
228 u32 reserved:28; 216 u32 reserved:28;
229}; 217};
230 218
231struct acpi_device_power_state { 219struct acpi_device_power_state {
232 struct { 220 struct {
233 u8 valid:1; 221 u8 valid:1;
234 u8 explicit_set:1; /* _PSx present? */ 222 u8 explicit_set:1; /* _PSx present? */
235 u8 reserved:6; 223 u8 reserved:6;
236 } flags; 224 } flags;
237 int power; /* % Power (compared to D0) */ 225 int power; /* % Power (compared to D0) */
238 int latency; /* Dx->D0 time (microseconds) */ 226 int latency; /* Dx->D0 time (microseconds) */
239 struct acpi_handle_list resources; /* Power resources referenced */ 227 struct acpi_handle_list resources; /* Power resources referenced */
240}; 228};
241 229
242struct acpi_device_power { 230struct acpi_device_power {
243 int state; /* Current state */ 231 int state; /* Current state */
244 struct acpi_device_power_flags flags; 232 struct acpi_device_power_flags flags;
245 struct acpi_device_power_state states[4]; /* Power states (D0-D3) */ 233 struct acpi_device_power_state states[4]; /* Power states (D0-D3) */
246}; 234};
247 235
248
249/* Performance Management */ 236/* Performance Management */
250 237
251struct acpi_device_perf_flags { 238struct acpi_device_perf_flags {
252 u8 reserved:8; 239 u8 reserved:8;
253}; 240};
254 241
255struct acpi_device_perf_state { 242struct acpi_device_perf_state {
256 struct { 243 struct {
257 u8 valid:1; 244 u8 valid:1;
258 u8 reserved:7; 245 u8 reserved:7;
259 } flags; 246 } flags;
260 u8 power; /* % Power (compared to P0) */ 247 u8 power; /* % Power (compared to P0) */
261 u8 performance; /* % Performance ( " ) */ 248 u8 performance; /* % Performance ( " ) */
262 int latency; /* Px->P0 time (microseconds) */ 249 int latency; /* Px->P0 time (microseconds) */
263}; 250};
264 251
265struct acpi_device_perf { 252struct acpi_device_perf {
266 int state; 253 int state;
267 struct acpi_device_perf_flags flags; 254 struct acpi_device_perf_flags flags;
268 int state_count; 255 int state_count;
269 struct acpi_device_perf_state *states; 256 struct acpi_device_perf_state *states;
270}; 257};
271 258
272/* Wakeup Management */ 259/* Wakeup Management */
273struct acpi_device_wakeup_flags { 260struct acpi_device_wakeup_flags {
274 u8 valid:1; /* Can successfully enable wakeup? */ 261 u8 valid:1; /* Can successfully enable wakeup? */
275 u8 run_wake:1; /* Run-Wake GPE devices */ 262 u8 run_wake:1; /* Run-Wake GPE devices */
276}; 263};
277 264
278struct acpi_device_wakeup_state { 265struct acpi_device_wakeup_state {
279 u8 enabled:1; 266 u8 enabled:1;
280 u8 active:1; 267 u8 active:1;
281}; 268};
282 269
283struct acpi_device_wakeup { 270struct acpi_device_wakeup {
284 acpi_handle gpe_device; 271 acpi_handle gpe_device;
285 acpi_integer gpe_number;; 272 acpi_integer gpe_number;;
286 acpi_integer sleep_state; 273 acpi_integer sleep_state;
287 struct acpi_handle_list resources; 274 struct acpi_handle_list resources;
288 struct acpi_device_wakeup_state state; 275 struct acpi_device_wakeup_state state;
289 struct acpi_device_wakeup_flags flags; 276 struct acpi_device_wakeup_flags flags;
290}; 277};
291 278
292/* Device */ 279/* Device */
293 280
294struct acpi_device { 281struct acpi_device {
295 acpi_handle handle; 282 acpi_handle handle;
296 struct acpi_device *parent; 283 struct acpi_device *parent;
297 struct list_head children; 284 struct list_head children;
298 struct list_head node; 285 struct list_head node;
299 struct list_head wakeup_list; 286 struct list_head wakeup_list;
300 struct list_head g_list; 287 struct list_head g_list;
301 struct acpi_device_status status; 288 struct acpi_device_status status;
302 struct acpi_device_flags flags; 289 struct acpi_device_flags flags;
303 struct acpi_device_pnp pnp; 290 struct acpi_device_pnp pnp;
304 struct acpi_device_power power; 291 struct acpi_device_power power;
305 struct acpi_device_wakeup wakeup; 292 struct acpi_device_wakeup wakeup;
306 struct acpi_device_perf performance; 293 struct acpi_device_perf performance;
307 struct acpi_device_dir dir; 294 struct acpi_device_dir dir;
308 struct acpi_device_ops ops; 295 struct acpi_device_ops ops;
309 struct acpi_driver *driver; 296 struct acpi_driver *driver;
310 void *driver_data; 297 void *driver_data;
311 struct kobject kobj; 298 struct kobject kobj;
312}; 299};
313 300
314#define acpi_driver_data(d) ((d)->driver_data) 301#define acpi_driver_data(d) ((d)->driver_data)
315 302
316
317/* 303/*
318 * Events 304 * Events
319 * ------ 305 * ------
320 */ 306 */
321 307
322struct acpi_bus_event { 308struct acpi_bus_event {
323 struct list_head node; 309 struct list_head node;
324 acpi_device_class device_class; 310 acpi_device_class device_class;
325 acpi_bus_id bus_id; 311 acpi_bus_id bus_id;
326 u32 type; 312 u32 type;
327 u32 data; 313 u32 data;
328}; 314};
329 315
330extern struct subsystem acpi_subsys; 316extern struct subsystem acpi_subsys;
@@ -335,34 +321,32 @@ extern struct subsystem acpi_subsys;
335 321
336int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device); 322int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device);
337void acpi_bus_data_handler(acpi_handle handle, u32 function, void *context); 323void acpi_bus_data_handler(acpi_handle handle, u32 function, void *context);
338int acpi_bus_get_status (struct acpi_device *device); 324int acpi_bus_get_status(struct acpi_device *device);
339int acpi_bus_get_power (acpi_handle handle, int *state); 325int acpi_bus_get_power(acpi_handle handle, int *state);
340int acpi_bus_set_power (acpi_handle handle, int state); 326int acpi_bus_set_power(acpi_handle handle, int state);
341int acpi_bus_generate_event (struct acpi_device *device, u8 type, int data); 327int acpi_bus_generate_event(struct acpi_device *device, u8 type, int data);
342int acpi_bus_receive_event (struct acpi_bus_event *event); 328int acpi_bus_receive_event(struct acpi_bus_event *event);
343int acpi_bus_register_driver (struct acpi_driver *driver); 329int acpi_bus_register_driver(struct acpi_driver *driver);
344int acpi_bus_unregister_driver (struct acpi_driver *driver); 330int acpi_bus_unregister_driver(struct acpi_driver *driver);
345int acpi_bus_add (struct acpi_device **child, struct acpi_device *parent, 331int acpi_bus_add(struct acpi_device **child, struct acpi_device *parent,
346 acpi_handle handle, int type); 332 acpi_handle handle, int type);
347int acpi_bus_start (struct acpi_device *device); 333int acpi_bus_start(struct acpi_device *device);
348 334
349 335int acpi_match_ids(struct acpi_device *device, char *ids);
350int acpi_match_ids (struct acpi_device *device, char *ids);
351int acpi_create_dir(struct acpi_device *); 336int acpi_create_dir(struct acpi_device *);
352void acpi_remove_dir(struct acpi_device *); 337void acpi_remove_dir(struct acpi_device *);
353 338
354
355/* 339/*
356 * Bind physical devices with ACPI devices 340 * Bind physical devices with ACPI devices
357 */ 341 */
358#include <linux/device.h> 342#include <linux/device.h>
359struct acpi_bus_type { 343struct acpi_bus_type {
360 struct list_head list; 344 struct list_head list;
361 struct bus_type *bus; 345 struct bus_type *bus;
362 /* For general devices under the bus*/ 346 /* For general devices under the bus */
363 int (*find_device)(struct device *, acpi_handle*); 347 int (*find_device) (struct device *, acpi_handle *);
364 /* For bridges, such as PCI root bridge, IDE controller */ 348 /* For bridges, such as PCI root bridge, IDE controller */
365 int (*find_bridge)(struct device *, acpi_handle *); 349 int (*find_bridge) (struct device *, acpi_handle *);
366}; 350};
367int register_acpi_bus_type(struct acpi_bus_type *); 351int register_acpi_bus_type(struct acpi_bus_type *);
368int unregister_acpi_bus_type(struct acpi_bus_type *); 352int unregister_acpi_bus_type(struct acpi_bus_type *);
@@ -372,6 +356,6 @@ acpi_handle acpi_get_child(acpi_handle, acpi_integer);
372acpi_handle acpi_get_pci_rootbridge_handle(unsigned int, unsigned int); 356acpi_handle acpi_get_pci_rootbridge_handle(unsigned int, unsigned int);
373#define DEVICE_ACPI_HANDLE(dev) ((acpi_handle)((dev)->firmware_data)) 357#define DEVICE_ACPI_HANDLE(dev) ((acpi_handle)((dev)->firmware_data))
374 358
375#endif /*CONFIG_ACPI_BUS*/ 359#endif /*CONFIG_ACPI_BUS */
376 360
377#endif /*__ACPI_BUS_H__*/ 361#endif /*__ACPI_BUS_H__*/