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path: root/drivers/acpi/events/evgpeblk.c
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Diffstat (limited to 'drivers/acpi/events/evgpeblk.c')
-rw-r--r--drivers/acpi/events/evgpeblk.c756
1 files changed, 357 insertions, 399 deletions
diff --git a/drivers/acpi/events/evgpeblk.c b/drivers/acpi/events/evgpeblk.c
index dfc54692b127..b312eb33c43e 100644
--- a/drivers/acpi/events/evgpeblk.c
+++ b/drivers/acpi/events/evgpeblk.c
@@ -46,41 +46,29 @@
46#include <acpi/acnamesp.h> 46#include <acpi/acnamesp.h>
47 47
48#define _COMPONENT ACPI_EVENTS 48#define _COMPONENT ACPI_EVENTS
49 ACPI_MODULE_NAME ("evgpeblk") 49ACPI_MODULE_NAME("evgpeblk")
50 50
51/* Local prototypes */ 51/* Local prototypes */
52
53static acpi_status 52static acpi_status
54acpi_ev_save_method_info ( 53acpi_ev_save_method_info(acpi_handle obj_handle,
55 acpi_handle obj_handle, 54 u32 level, void *obj_desc, void **return_value);
56 u32 level,
57 void *obj_desc,
58 void **return_value);
59 55
60static acpi_status 56static acpi_status
61acpi_ev_match_prw_and_gpe ( 57acpi_ev_match_prw_and_gpe(acpi_handle obj_handle,
62 acpi_handle obj_handle, 58 u32 level, void *info, void **return_value);
63 u32 level,
64 void *info,
65 void **return_value);
66 59
67static struct acpi_gpe_xrupt_info * 60static struct acpi_gpe_xrupt_info *acpi_ev_get_gpe_xrupt_block(u32
68acpi_ev_get_gpe_xrupt_block ( 61 interrupt_number);
69 u32 interrupt_number);
70 62
71static acpi_status 63static acpi_status
72acpi_ev_delete_gpe_xrupt ( 64acpi_ev_delete_gpe_xrupt(struct acpi_gpe_xrupt_info *gpe_xrupt);
73 struct acpi_gpe_xrupt_info *gpe_xrupt);
74 65
75static acpi_status 66static acpi_status
76acpi_ev_install_gpe_block ( 67acpi_ev_install_gpe_block(struct acpi_gpe_block_info *gpe_block,
77 struct acpi_gpe_block_info *gpe_block, 68 u32 interrupt_number);
78 u32 interrupt_number);
79 69
80static acpi_status 70static acpi_status
81acpi_ev_create_gpe_info_blocks ( 71acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block);
82 struct acpi_gpe_block_info *gpe_block);
83
84 72
85/******************************************************************************* 73/*******************************************************************************
86 * 74 *
@@ -96,16 +84,12 @@ acpi_ev_create_gpe_info_blocks (
96 * 84 *
97 ******************************************************************************/ 85 ******************************************************************************/
98 86
99u8 87u8 acpi_ev_valid_gpe_event(struct acpi_gpe_event_info *gpe_event_info)
100acpi_ev_valid_gpe_event (
101 struct acpi_gpe_event_info *gpe_event_info)
102{ 88{
103 struct acpi_gpe_xrupt_info *gpe_xrupt_block; 89 struct acpi_gpe_xrupt_info *gpe_xrupt_block;
104 struct acpi_gpe_block_info *gpe_block; 90 struct acpi_gpe_block_info *gpe_block;
105
106
107 ACPI_FUNCTION_ENTRY ();
108 91
92 ACPI_FUNCTION_ENTRY();
109 93
110 /* No need for spin lock since we are not changing any list elements */ 94 /* No need for spin lock since we are not changing any list elements */
111 95
@@ -119,7 +103,10 @@ acpi_ev_valid_gpe_event (
119 103
120 while (gpe_block) { 104 while (gpe_block) {
121 if ((&gpe_block->event_info[0] <= gpe_event_info) && 105 if ((&gpe_block->event_info[0] <= gpe_event_info) &&
122 (&gpe_block->event_info[((acpi_size) gpe_block->register_count) * 8] > gpe_event_info)) { 106 (&gpe_block->
107 event_info[((acpi_size) gpe_block->
108 register_count) * 8] >
109 gpe_event_info)) {
123 return (TRUE); 110 return (TRUE);
124 } 111 }
125 112
@@ -132,7 +119,6 @@ acpi_ev_valid_gpe_event (
132 return (FALSE); 119 return (FALSE);
133} 120}
134 121
135
136/******************************************************************************* 122/*******************************************************************************
137 * 123 *
138 * FUNCTION: acpi_ev_walk_gpe_list 124 * FUNCTION: acpi_ev_walk_gpe_list
@@ -145,20 +131,16 @@ acpi_ev_valid_gpe_event (
145 * 131 *
146 ******************************************************************************/ 132 ******************************************************************************/
147 133
148acpi_status 134acpi_status acpi_ev_walk_gpe_list(ACPI_GPE_CALLBACK gpe_walk_callback)
149acpi_ev_walk_gpe_list (
150 ACPI_GPE_CALLBACK gpe_walk_callback)
151{ 135{
152 struct acpi_gpe_block_info *gpe_block; 136 struct acpi_gpe_block_info *gpe_block;
153 struct acpi_gpe_xrupt_info *gpe_xrupt_info; 137 struct acpi_gpe_xrupt_info *gpe_xrupt_info;
154 acpi_status status = AE_OK; 138 acpi_status status = AE_OK;
155 u32 flags; 139 u32 flags;
156
157 140
158 ACPI_FUNCTION_TRACE ("ev_walk_gpe_list"); 141 ACPI_FUNCTION_TRACE("ev_walk_gpe_list");
159 142
160 143 flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
161 flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
162 144
163 /* Walk the interrupt level descriptor list */ 145 /* Walk the interrupt level descriptor list */
164 146
@@ -170,8 +152,8 @@ acpi_ev_walk_gpe_list (
170 while (gpe_block) { 152 while (gpe_block) {
171 /* One callback per GPE block */ 153 /* One callback per GPE block */
172 154
173 status = gpe_walk_callback (gpe_xrupt_info, gpe_block); 155 status = gpe_walk_callback(gpe_xrupt_info, gpe_block);
174 if (ACPI_FAILURE (status)) { 156 if (ACPI_FAILURE(status)) {
175 goto unlock_and_exit; 157 goto unlock_and_exit;
176 } 158 }
177 159
@@ -181,12 +163,11 @@ acpi_ev_walk_gpe_list (
181 gpe_xrupt_info = gpe_xrupt_info->next; 163 gpe_xrupt_info = gpe_xrupt_info->next;
182 } 164 }
183 165
184unlock_and_exit: 166 unlock_and_exit:
185 acpi_os_release_lock (acpi_gbl_gpe_lock, flags); 167 acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
186 return_ACPI_STATUS (status); 168 return_ACPI_STATUS(status);
187} 169}
188 170
189
190/******************************************************************************* 171/*******************************************************************************
191 * 172 *
192 * FUNCTION: acpi_ev_delete_gpe_handlers 173 * FUNCTION: acpi_ev_delete_gpe_handlers
@@ -202,17 +183,14 @@ unlock_and_exit:
202 ******************************************************************************/ 183 ******************************************************************************/
203 184
204acpi_status 185acpi_status
205acpi_ev_delete_gpe_handlers ( 186acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
206 struct acpi_gpe_xrupt_info *gpe_xrupt_info, 187 struct acpi_gpe_block_info *gpe_block)
207 struct acpi_gpe_block_info *gpe_block)
208{ 188{
209 struct acpi_gpe_event_info *gpe_event_info; 189 struct acpi_gpe_event_info *gpe_event_info;
210 acpi_native_uint i; 190 acpi_native_uint i;
211 acpi_native_uint j; 191 acpi_native_uint j;
212
213
214 ACPI_FUNCTION_TRACE ("ev_delete_gpe_handlers");
215 192
193 ACPI_FUNCTION_TRACE("ev_delete_gpe_handlers");
216 194
217 /* Examine each GPE Register within the block */ 195 /* Examine each GPE Register within the block */
218 196
@@ -220,21 +198,23 @@ acpi_ev_delete_gpe_handlers (
220 /* Now look at the individual GPEs in this byte register */ 198 /* Now look at the individual GPEs in this byte register */
221 199
222 for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) { 200 for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
223 gpe_event_info = &gpe_block->event_info[(i * ACPI_GPE_REGISTER_WIDTH) + j]; 201 gpe_event_info =
202 &gpe_block->
203 event_info[(i * ACPI_GPE_REGISTER_WIDTH) + j];
224 204
225 if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) == 205 if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
226 ACPI_GPE_DISPATCH_HANDLER) { 206 ACPI_GPE_DISPATCH_HANDLER) {
227 ACPI_MEM_FREE (gpe_event_info->dispatch.handler); 207 ACPI_MEM_FREE(gpe_event_info->dispatch.handler);
228 gpe_event_info->dispatch.handler = NULL; 208 gpe_event_info->dispatch.handler = NULL;
229 gpe_event_info->flags &= ~ACPI_GPE_DISPATCH_MASK; 209 gpe_event_info->flags &=
210 ~ACPI_GPE_DISPATCH_MASK;
230 } 211 }
231 } 212 }
232 } 213 }
233 214
234 return_ACPI_STATUS (AE_OK); 215 return_ACPI_STATUS(AE_OK);
235} 216}
236 217
237
238/******************************************************************************* 218/*******************************************************************************
239 * 219 *
240 * FUNCTION: acpi_ev_save_method_info 220 * FUNCTION: acpi_ev_save_method_info
@@ -258,30 +238,26 @@ acpi_ev_delete_gpe_handlers (
258 ******************************************************************************/ 238 ******************************************************************************/
259 239
260static acpi_status 240static acpi_status
261acpi_ev_save_method_info ( 241acpi_ev_save_method_info(acpi_handle obj_handle,
262 acpi_handle obj_handle, 242 u32 level, void *obj_desc, void **return_value)
263 u32 level,
264 void *obj_desc,
265 void **return_value)
266{ 243{
267 struct acpi_gpe_block_info *gpe_block = (void *) obj_desc; 244 struct acpi_gpe_block_info *gpe_block = (void *)obj_desc;
268 struct acpi_gpe_event_info *gpe_event_info; 245 struct acpi_gpe_event_info *gpe_event_info;
269 u32 gpe_number; 246 u32 gpe_number;
270 char name[ACPI_NAME_SIZE + 1]; 247 char name[ACPI_NAME_SIZE + 1];
271 u8 type; 248 u8 type;
272 acpi_status status; 249 acpi_status status;
273
274
275 ACPI_FUNCTION_TRACE ("ev_save_method_info");
276 250
251 ACPI_FUNCTION_TRACE("ev_save_method_info");
277 252
278 /* 253 /*
279 * _Lxx and _Exx GPE method support 254 * _Lxx and _Exx GPE method support
280 * 255 *
281 * 1) Extract the name from the object and convert to a string 256 * 1) Extract the name from the object and convert to a string
282 */ 257 */
283 ACPI_MOVE_32_TO_32 (name, 258 ACPI_MOVE_32_TO_32(name,
284 &((struct acpi_namespace_node *) obj_handle)->name.integer); 259 &((struct acpi_namespace_node *)obj_handle)->name.
260 integer);
285 name[ACPI_NAME_SIZE] = 0; 261 name[ACPI_NAME_SIZE] = 0;
286 262
287 /* 263 /*
@@ -303,34 +279,36 @@ acpi_ev_save_method_info (
303 default: 279 default:
304 /* Unknown method type, just ignore it! */ 280 /* Unknown method type, just ignore it! */
305 281
306 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 282 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
307 "Unknown GPE method type: %s (name not of form _Lxx or _Exx)\n", 283 "Unknown GPE method type: %s (name not of form _Lxx or _Exx)\n",
308 name)); 284 name));
309 return_ACPI_STATUS (AE_OK); 285 return_ACPI_STATUS(AE_OK);
310 } 286 }
311 287
312 /* Convert the last two characters of the name to the GPE Number */ 288 /* Convert the last two characters of the name to the GPE Number */
313 289
314 gpe_number = ACPI_STRTOUL (&name[2], NULL, 16); 290 gpe_number = ACPI_STRTOUL(&name[2], NULL, 16);
315 if (gpe_number == ACPI_UINT32_MAX) { 291 if (gpe_number == ACPI_UINT32_MAX) {
316 /* Conversion failed; invalid method, just ignore it */ 292 /* Conversion failed; invalid method, just ignore it */
317 293
318 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 294 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
319 "Could not extract GPE number from name: %s (name is not of form _Lxx or _Exx)\n", 295 "Could not extract GPE number from name: %s (name is not of form _Lxx or _Exx)\n",
320 name)); 296 name));
321 return_ACPI_STATUS (AE_OK); 297 return_ACPI_STATUS(AE_OK);
322 } 298 }
323 299
324 /* Ensure that we have a valid GPE number for this GPE block */ 300 /* Ensure that we have a valid GPE number for this GPE block */
325 301
326 if ((gpe_number < gpe_block->block_base_number) || 302 if ((gpe_number < gpe_block->block_base_number) ||
327 (gpe_number >= (gpe_block->block_base_number + (gpe_block->register_count * 8)))) { 303 (gpe_number >=
304 (gpe_block->block_base_number +
305 (gpe_block->register_count * 8)))) {
328 /* 306 /*
329 * Not valid for this GPE block, just ignore it 307 * Not valid for this GPE block, just ignore it
330 * However, it may be valid for a different GPE block, since GPE0 and GPE1 308 * However, it may be valid for a different GPE block, since GPE0 and GPE1
331 * methods both appear under \_GPE. 309 * methods both appear under \_GPE.
332 */ 310 */
333 return_ACPI_STATUS (AE_OK); 311 return_ACPI_STATUS(AE_OK);
334 } 312 }
335 313
336 /* 314 /*
@@ -338,24 +316,25 @@ acpi_ev_save_method_info (
338 * for use during dispatch of this GPE. Default type is RUNTIME, although 316 * for use during dispatch of this GPE. Default type is RUNTIME, although
339 * this may change when the _PRW methods are executed later. 317 * this may change when the _PRW methods are executed later.
340 */ 318 */
341 gpe_event_info = &gpe_block->event_info[gpe_number - gpe_block->block_base_number]; 319 gpe_event_info =
320 &gpe_block->event_info[gpe_number - gpe_block->block_base_number];
342 321
343 gpe_event_info->flags = (u8) (type | ACPI_GPE_DISPATCH_METHOD | 322 gpe_event_info->flags = (u8) (type | ACPI_GPE_DISPATCH_METHOD |
344 ACPI_GPE_TYPE_RUNTIME); 323 ACPI_GPE_TYPE_RUNTIME);
345 324
346 gpe_event_info->dispatch.method_node = (struct acpi_namespace_node *) obj_handle; 325 gpe_event_info->dispatch.method_node =
326 (struct acpi_namespace_node *)obj_handle;
347 327
348 /* Update enable mask, but don't enable the HW GPE as of yet */ 328 /* Update enable mask, but don't enable the HW GPE as of yet */
349 329
350 status = acpi_ev_enable_gpe (gpe_event_info, FALSE); 330 status = acpi_ev_enable_gpe(gpe_event_info, FALSE);
351 331
352 ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, 332 ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
353 "Registered GPE method %s as GPE number 0x%.2X\n", 333 "Registered GPE method %s as GPE number 0x%.2X\n",
354 name, gpe_number)); 334 name, gpe_number));
355 return_ACPI_STATUS (status); 335 return_ACPI_STATUS(status);
356} 336}
357 337
358
359/******************************************************************************* 338/*******************************************************************************
360 * 339 *
361 * FUNCTION: acpi_ev_match_prw_and_gpe 340 * FUNCTION: acpi_ev_match_prw_and_gpe
@@ -372,34 +351,29 @@ acpi_ev_save_method_info (
372 ******************************************************************************/ 351 ******************************************************************************/
373 352
374static acpi_status 353static acpi_status
375acpi_ev_match_prw_and_gpe ( 354acpi_ev_match_prw_and_gpe(acpi_handle obj_handle,
376 acpi_handle obj_handle, 355 u32 level, void *info, void **return_value)
377 u32 level,
378 void *info,
379 void **return_value)
380{ 356{
381 struct acpi_gpe_walk_info *gpe_info = (void *) info; 357 struct acpi_gpe_walk_info *gpe_info = (void *)info;
382 struct acpi_namespace_node *gpe_device; 358 struct acpi_namespace_node *gpe_device;
383 struct acpi_gpe_block_info *gpe_block; 359 struct acpi_gpe_block_info *gpe_block;
384 struct acpi_namespace_node *target_gpe_device; 360 struct acpi_namespace_node *target_gpe_device;
385 struct acpi_gpe_event_info *gpe_event_info; 361 struct acpi_gpe_event_info *gpe_event_info;
386 union acpi_operand_object *pkg_desc; 362 union acpi_operand_object *pkg_desc;
387 union acpi_operand_object *obj_desc; 363 union acpi_operand_object *obj_desc;
388 u32 gpe_number; 364 u32 gpe_number;
389 acpi_status status; 365 acpi_status status;
390 366
391 367 ACPI_FUNCTION_TRACE("ev_match_prw_and_gpe");
392 ACPI_FUNCTION_TRACE ("ev_match_prw_and_gpe");
393
394 368
395 /* Check for a _PRW method under this device */ 369 /* Check for a _PRW method under this device */
396 370
397 status = acpi_ut_evaluate_object (obj_handle, METHOD_NAME__PRW, 371 status = acpi_ut_evaluate_object(obj_handle, METHOD_NAME__PRW,
398 ACPI_BTYPE_PACKAGE, &pkg_desc); 372 ACPI_BTYPE_PACKAGE, &pkg_desc);
399 if (ACPI_FAILURE (status)) { 373 if (ACPI_FAILURE(status)) {
400 /* Ignore all errors from _PRW, we don't want to abort the subsystem */ 374 /* Ignore all errors from _PRW, we don't want to abort the subsystem */
401 375
402 return_ACPI_STATUS (AE_OK); 376 return_ACPI_STATUS(AE_OK);
403 } 377 }
404 378
405 /* The returned _PRW package must have at least two elements */ 379 /* The returned _PRW package must have at least two elements */
@@ -419,7 +393,7 @@ acpi_ev_match_prw_and_gpe (
419 */ 393 */
420 obj_desc = pkg_desc->package.elements[0]; 394 obj_desc = pkg_desc->package.elements[0];
421 395
422 if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_INTEGER) { 396 if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
423 /* Use FADT-defined GPE device (from definition of _PRW) */ 397 /* Use FADT-defined GPE device (from definition of _PRW) */
424 398
425 target_gpe_device = acpi_gbl_fadt_gpe_device; 399 target_gpe_device = acpi_gbl_fadt_gpe_device;
@@ -427,22 +401,23 @@ acpi_ev_match_prw_and_gpe (
427 /* Integer is the GPE number in the FADT described GPE blocks */ 401 /* Integer is the GPE number in the FADT described GPE blocks */
428 402
429 gpe_number = (u32) obj_desc->integer.value; 403 gpe_number = (u32) obj_desc->integer.value;
430 } 404 } else if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_PACKAGE) {
431 else if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_PACKAGE) {
432 /* Package contains a GPE reference and GPE number within a GPE block */ 405 /* Package contains a GPE reference and GPE number within a GPE block */
433 406
434 if ((obj_desc->package.count < 2) || 407 if ((obj_desc->package.count < 2) ||
435 (ACPI_GET_OBJECT_TYPE (obj_desc->package.elements[0]) != ACPI_TYPE_LOCAL_REFERENCE) || 408 (ACPI_GET_OBJECT_TYPE(obj_desc->package.elements[0]) !=
436 (ACPI_GET_OBJECT_TYPE (obj_desc->package.elements[1]) != ACPI_TYPE_INTEGER)) { 409 ACPI_TYPE_LOCAL_REFERENCE)
410 || (ACPI_GET_OBJECT_TYPE(obj_desc->package.elements[1]) !=
411 ACPI_TYPE_INTEGER)) {
437 goto cleanup; 412 goto cleanup;
438 } 413 }
439 414
440 /* Get GPE block reference and decode */ 415 /* Get GPE block reference and decode */
441 416
442 target_gpe_device = obj_desc->package.elements[0]->reference.node; 417 target_gpe_device =
418 obj_desc->package.elements[0]->reference.node;
443 gpe_number = (u32) obj_desc->package.elements[1]->integer.value; 419 gpe_number = (u32) obj_desc->package.elements[1]->integer.value;
444 } 420 } else {
445 else {
446 /* Unknown type, just ignore it */ 421 /* Unknown type, just ignore it */
447 422
448 goto cleanup; 423 goto cleanup;
@@ -457,26 +432,32 @@ acpi_ev_match_prw_and_gpe (
457 * associated with the GPE device. 432 * associated with the GPE device.
458 */ 433 */
459 if ((gpe_device == target_gpe_device) && 434 if ((gpe_device == target_gpe_device) &&
460 (gpe_number >= gpe_block->block_base_number) && 435 (gpe_number >= gpe_block->block_base_number) &&
461 (gpe_number < gpe_block->block_base_number + (gpe_block->register_count * 8))) { 436 (gpe_number <
462 gpe_event_info = &gpe_block->event_info[gpe_number - gpe_block->block_base_number]; 437 gpe_block->block_base_number + (gpe_block->register_count * 8))) {
438 gpe_event_info =
439 &gpe_block->event_info[gpe_number -
440 gpe_block->block_base_number];
463 441
464 /* Mark GPE for WAKE-ONLY but WAKE_DISABLED */ 442 /* Mark GPE for WAKE-ONLY but WAKE_DISABLED */
465 443
466 gpe_event_info->flags &= ~(ACPI_GPE_WAKE_ENABLED | ACPI_GPE_RUN_ENABLED); 444 gpe_event_info->flags &=
467 status = acpi_ev_set_gpe_type (gpe_event_info, ACPI_GPE_TYPE_WAKE); 445 ~(ACPI_GPE_WAKE_ENABLED | ACPI_GPE_RUN_ENABLED);
468 if (ACPI_FAILURE (status)) { 446 status =
447 acpi_ev_set_gpe_type(gpe_event_info, ACPI_GPE_TYPE_WAKE);
448 if (ACPI_FAILURE(status)) {
469 goto cleanup; 449 goto cleanup;
470 } 450 }
471 status = acpi_ev_update_gpe_enable_masks (gpe_event_info, ACPI_GPE_DISABLE); 451 status =
452 acpi_ev_update_gpe_enable_masks(gpe_event_info,
453 ACPI_GPE_DISABLE);
472 } 454 }
473 455
474cleanup: 456 cleanup:
475 acpi_ut_remove_reference (pkg_desc); 457 acpi_ut_remove_reference(pkg_desc);
476 return_ACPI_STATUS (AE_OK); 458 return_ACPI_STATUS(AE_OK);
477} 459}
478 460
479
480/******************************************************************************* 461/*******************************************************************************
481 * 462 *
482 * FUNCTION: acpi_ev_get_gpe_xrupt_block 463 * FUNCTION: acpi_ev_get_gpe_xrupt_block
@@ -492,25 +473,22 @@ cleanup:
492 * 473 *
493 ******************************************************************************/ 474 ******************************************************************************/
494 475
495static struct acpi_gpe_xrupt_info * 476static struct acpi_gpe_xrupt_info *acpi_ev_get_gpe_xrupt_block(u32
496acpi_ev_get_gpe_xrupt_block ( 477 interrupt_number)
497 u32 interrupt_number)
498{ 478{
499 struct acpi_gpe_xrupt_info *next_gpe_xrupt; 479 struct acpi_gpe_xrupt_info *next_gpe_xrupt;
500 struct acpi_gpe_xrupt_info *gpe_xrupt; 480 struct acpi_gpe_xrupt_info *gpe_xrupt;
501 acpi_status status; 481 acpi_status status;
502 u32 flags; 482 u32 flags;
503
504
505 ACPI_FUNCTION_TRACE ("ev_get_gpe_xrupt_block");
506 483
484 ACPI_FUNCTION_TRACE("ev_get_gpe_xrupt_block");
507 485
508 /* No need for lock since we are not changing any list elements here */ 486 /* No need for lock since we are not changing any list elements here */
509 487
510 next_gpe_xrupt = acpi_gbl_gpe_xrupt_list_head; 488 next_gpe_xrupt = acpi_gbl_gpe_xrupt_list_head;
511 while (next_gpe_xrupt) { 489 while (next_gpe_xrupt) {
512 if (next_gpe_xrupt->interrupt_number == interrupt_number) { 490 if (next_gpe_xrupt->interrupt_number == interrupt_number) {
513 return_PTR (next_gpe_xrupt); 491 return_PTR(next_gpe_xrupt);
514 } 492 }
515 493
516 next_gpe_xrupt = next_gpe_xrupt->next; 494 next_gpe_xrupt = next_gpe_xrupt->next;
@@ -518,16 +496,16 @@ acpi_ev_get_gpe_xrupt_block (
518 496
519 /* Not found, must allocate a new xrupt descriptor */ 497 /* Not found, must allocate a new xrupt descriptor */
520 498
521 gpe_xrupt = ACPI_MEM_CALLOCATE (sizeof (struct acpi_gpe_xrupt_info)); 499 gpe_xrupt = ACPI_MEM_CALLOCATE(sizeof(struct acpi_gpe_xrupt_info));
522 if (!gpe_xrupt) { 500 if (!gpe_xrupt) {
523 return_PTR (NULL); 501 return_PTR(NULL);
524 } 502 }
525 503
526 gpe_xrupt->interrupt_number = interrupt_number; 504 gpe_xrupt->interrupt_number = interrupt_number;
527 505
528 /* Install new interrupt descriptor with spin lock */ 506 /* Install new interrupt descriptor with spin lock */
529 507
530 flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock); 508 flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
531 if (acpi_gbl_gpe_xrupt_list_head) { 509 if (acpi_gbl_gpe_xrupt_list_head) {
532 next_gpe_xrupt = acpi_gbl_gpe_xrupt_list_head; 510 next_gpe_xrupt = acpi_gbl_gpe_xrupt_list_head;
533 while (next_gpe_xrupt->next) { 511 while (next_gpe_xrupt->next) {
@@ -536,29 +514,28 @@ acpi_ev_get_gpe_xrupt_block (
536 514
537 next_gpe_xrupt->next = gpe_xrupt; 515 next_gpe_xrupt->next = gpe_xrupt;
538 gpe_xrupt->previous = next_gpe_xrupt; 516 gpe_xrupt->previous = next_gpe_xrupt;
539 } 517 } else {
540 else {
541 acpi_gbl_gpe_xrupt_list_head = gpe_xrupt; 518 acpi_gbl_gpe_xrupt_list_head = gpe_xrupt;
542 } 519 }
543 acpi_os_release_lock (acpi_gbl_gpe_lock, flags); 520 acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
544 521
545 /* Install new interrupt handler if not SCI_INT */ 522 /* Install new interrupt handler if not SCI_INT */
546 523
547 if (interrupt_number != acpi_gbl_FADT->sci_int) { 524 if (interrupt_number != acpi_gbl_FADT->sci_int) {
548 status = acpi_os_install_interrupt_handler (interrupt_number, 525 status = acpi_os_install_interrupt_handler(interrupt_number,
549 acpi_ev_gpe_xrupt_handler, gpe_xrupt); 526 acpi_ev_gpe_xrupt_handler,
550 if (ACPI_FAILURE (status)) { 527 gpe_xrupt);
551 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 528 if (ACPI_FAILURE(status)) {
552 "Could not install GPE interrupt handler at level 0x%X\n", 529 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
553 interrupt_number)); 530 "Could not install GPE interrupt handler at level 0x%X\n",
554 return_PTR (NULL); 531 interrupt_number));
532 return_PTR(NULL);
555 } 533 }
556 } 534 }
557 535
558 return_PTR (gpe_xrupt); 536 return_PTR(gpe_xrupt);
559} 537}
560 538
561
562/******************************************************************************* 539/*******************************************************************************
563 * 540 *
564 * FUNCTION: acpi_ev_delete_gpe_xrupt 541 * FUNCTION: acpi_ev_delete_gpe_xrupt
@@ -573,34 +550,31 @@ acpi_ev_get_gpe_xrupt_block (
573 ******************************************************************************/ 550 ******************************************************************************/
574 551
575static acpi_status 552static acpi_status
576acpi_ev_delete_gpe_xrupt ( 553acpi_ev_delete_gpe_xrupt(struct acpi_gpe_xrupt_info *gpe_xrupt)
577 struct acpi_gpe_xrupt_info *gpe_xrupt)
578{ 554{
579 acpi_status status; 555 acpi_status status;
580 u32 flags; 556 u32 flags;
581
582
583 ACPI_FUNCTION_TRACE ("ev_delete_gpe_xrupt");
584 557
558 ACPI_FUNCTION_TRACE("ev_delete_gpe_xrupt");
585 559
586 /* We never want to remove the SCI interrupt handler */ 560 /* We never want to remove the SCI interrupt handler */
587 561
588 if (gpe_xrupt->interrupt_number == acpi_gbl_FADT->sci_int) { 562 if (gpe_xrupt->interrupt_number == acpi_gbl_FADT->sci_int) {
589 gpe_xrupt->gpe_block_list_head = NULL; 563 gpe_xrupt->gpe_block_list_head = NULL;
590 return_ACPI_STATUS (AE_OK); 564 return_ACPI_STATUS(AE_OK);
591 } 565 }
592 566
593 /* Disable this interrupt */ 567 /* Disable this interrupt */
594 568
595 status = acpi_os_remove_interrupt_handler (gpe_xrupt->interrupt_number, 569 status = acpi_os_remove_interrupt_handler(gpe_xrupt->interrupt_number,
596 acpi_ev_gpe_xrupt_handler); 570 acpi_ev_gpe_xrupt_handler);
597 if (ACPI_FAILURE (status)) { 571 if (ACPI_FAILURE(status)) {
598 return_ACPI_STATUS (status); 572 return_ACPI_STATUS(status);
599 } 573 }
600 574
601 /* Unlink the interrupt block with lock */ 575 /* Unlink the interrupt block with lock */
602 576
603 flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock); 577 flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
604 if (gpe_xrupt->previous) { 578 if (gpe_xrupt->previous) {
605 gpe_xrupt->previous->next = gpe_xrupt->next; 579 gpe_xrupt->previous->next = gpe_xrupt->next;
606 } 580 }
@@ -608,15 +582,14 @@ acpi_ev_delete_gpe_xrupt (
608 if (gpe_xrupt->next) { 582 if (gpe_xrupt->next) {
609 gpe_xrupt->next->previous = gpe_xrupt->previous; 583 gpe_xrupt->next->previous = gpe_xrupt->previous;
610 } 584 }
611 acpi_os_release_lock (acpi_gbl_gpe_lock, flags); 585 acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
612 586
613 /* Free the block */ 587 /* Free the block */
614 588
615 ACPI_MEM_FREE (gpe_xrupt); 589 ACPI_MEM_FREE(gpe_xrupt);
616 return_ACPI_STATUS (AE_OK); 590 return_ACPI_STATUS(AE_OK);
617} 591}
618 592
619
620/******************************************************************************* 593/*******************************************************************************
621 * 594 *
622 * FUNCTION: acpi_ev_install_gpe_block 595 * FUNCTION: acpi_ev_install_gpe_block
@@ -631,25 +604,22 @@ acpi_ev_delete_gpe_xrupt (
631 ******************************************************************************/ 604 ******************************************************************************/
632 605
633static acpi_status 606static acpi_status
634acpi_ev_install_gpe_block ( 607acpi_ev_install_gpe_block(struct acpi_gpe_block_info *gpe_block,
635 struct acpi_gpe_block_info *gpe_block, 608 u32 interrupt_number)
636 u32 interrupt_number)
637{ 609{
638 struct acpi_gpe_block_info *next_gpe_block; 610 struct acpi_gpe_block_info *next_gpe_block;
639 struct acpi_gpe_xrupt_info *gpe_xrupt_block; 611 struct acpi_gpe_xrupt_info *gpe_xrupt_block;
640 acpi_status status; 612 acpi_status status;
641 u32 flags; 613 u32 flags;
642 614
615 ACPI_FUNCTION_TRACE("ev_install_gpe_block");
643 616
644 ACPI_FUNCTION_TRACE ("ev_install_gpe_block"); 617 status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
645 618 if (ACPI_FAILURE(status)) {
646 619 return_ACPI_STATUS(status);
647 status = acpi_ut_acquire_mutex (ACPI_MTX_EVENTS);
648 if (ACPI_FAILURE (status)) {
649 return_ACPI_STATUS (status);
650 } 620 }
651 621
652 gpe_xrupt_block = acpi_ev_get_gpe_xrupt_block (interrupt_number); 622 gpe_xrupt_block = acpi_ev_get_gpe_xrupt_block(interrupt_number);
653 if (!gpe_xrupt_block) { 623 if (!gpe_xrupt_block) {
654 status = AE_NO_MEMORY; 624 status = AE_NO_MEMORY;
655 goto unlock_and_exit; 625 goto unlock_and_exit;
@@ -657,7 +627,7 @@ acpi_ev_install_gpe_block (
657 627
658 /* Install the new block at the end of the list with lock */ 628 /* Install the new block at the end of the list with lock */
659 629
660 flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock); 630 flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
661 if (gpe_xrupt_block->gpe_block_list_head) { 631 if (gpe_xrupt_block->gpe_block_list_head) {
662 next_gpe_block = gpe_xrupt_block->gpe_block_list_head; 632 next_gpe_block = gpe_xrupt_block->gpe_block_list_head;
663 while (next_gpe_block->next) { 633 while (next_gpe_block->next) {
@@ -666,20 +636,18 @@ acpi_ev_install_gpe_block (
666 636
667 next_gpe_block->next = gpe_block; 637 next_gpe_block->next = gpe_block;
668 gpe_block->previous = next_gpe_block; 638 gpe_block->previous = next_gpe_block;
669 } 639 } else {
670 else {
671 gpe_xrupt_block->gpe_block_list_head = gpe_block; 640 gpe_xrupt_block->gpe_block_list_head = gpe_block;
672 } 641 }
673 642
674 gpe_block->xrupt_block = gpe_xrupt_block; 643 gpe_block->xrupt_block = gpe_xrupt_block;
675 acpi_os_release_lock (acpi_gbl_gpe_lock, flags); 644 acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
676 645
677unlock_and_exit: 646 unlock_and_exit:
678 status = acpi_ut_release_mutex (ACPI_MTX_EVENTS); 647 status = acpi_ut_release_mutex(ACPI_MTX_EVENTS);
679 return_ACPI_STATUS (status); 648 return_ACPI_STATUS(status);
680} 649}
681 650
682
683/******************************************************************************* 651/*******************************************************************************
684 * 652 *
685 * FUNCTION: acpi_ev_delete_gpe_block 653 * FUNCTION: acpi_ev_delete_gpe_block
@@ -692,63 +660,57 @@ unlock_and_exit:
692 * 660 *
693 ******************************************************************************/ 661 ******************************************************************************/
694 662
695acpi_status 663acpi_status acpi_ev_delete_gpe_block(struct acpi_gpe_block_info *gpe_block)
696acpi_ev_delete_gpe_block (
697 struct acpi_gpe_block_info *gpe_block)
698{ 664{
699 acpi_status status; 665 acpi_status status;
700 u32 flags; 666 u32 flags;
701
702
703 ACPI_FUNCTION_TRACE ("ev_install_gpe_block");
704 667
668 ACPI_FUNCTION_TRACE("ev_install_gpe_block");
705 669
706 status = acpi_ut_acquire_mutex (ACPI_MTX_EVENTS); 670 status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
707 if (ACPI_FAILURE (status)) { 671 if (ACPI_FAILURE(status)) {
708 return_ACPI_STATUS (status); 672 return_ACPI_STATUS(status);
709 } 673 }
710 674
711 /* Disable all GPEs in this block */ 675 /* Disable all GPEs in this block */
712 676
713 status = acpi_hw_disable_gpe_block (gpe_block->xrupt_block, gpe_block); 677 status = acpi_hw_disable_gpe_block(gpe_block->xrupt_block, gpe_block);
714 678
715 if (!gpe_block->previous && !gpe_block->next) { 679 if (!gpe_block->previous && !gpe_block->next) {
716 /* This is the last gpe_block on this interrupt */ 680 /* This is the last gpe_block on this interrupt */
717 681
718 status = acpi_ev_delete_gpe_xrupt (gpe_block->xrupt_block); 682 status = acpi_ev_delete_gpe_xrupt(gpe_block->xrupt_block);
719 if (ACPI_FAILURE (status)) { 683 if (ACPI_FAILURE(status)) {
720 goto unlock_and_exit; 684 goto unlock_and_exit;
721 } 685 }
722 } 686 } else {
723 else {
724 /* Remove the block on this interrupt with lock */ 687 /* Remove the block on this interrupt with lock */
725 688
726 flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock); 689 flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
727 if (gpe_block->previous) { 690 if (gpe_block->previous) {
728 gpe_block->previous->next = gpe_block->next; 691 gpe_block->previous->next = gpe_block->next;
729 } 692 } else {
730 else { 693 gpe_block->xrupt_block->gpe_block_list_head =
731 gpe_block->xrupt_block->gpe_block_list_head = gpe_block->next; 694 gpe_block->next;
732 } 695 }
733 696
734 if (gpe_block->next) { 697 if (gpe_block->next) {
735 gpe_block->next->previous = gpe_block->previous; 698 gpe_block->next->previous = gpe_block->previous;
736 } 699 }
737 acpi_os_release_lock (acpi_gbl_gpe_lock, flags); 700 acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
738 } 701 }
739 702
740 /* Free the gpe_block */ 703 /* Free the gpe_block */
741 704
742 ACPI_MEM_FREE (gpe_block->register_info); 705 ACPI_MEM_FREE(gpe_block->register_info);
743 ACPI_MEM_FREE (gpe_block->event_info); 706 ACPI_MEM_FREE(gpe_block->event_info);
744 ACPI_MEM_FREE (gpe_block); 707 ACPI_MEM_FREE(gpe_block);
745 708
746unlock_and_exit: 709 unlock_and_exit:
747 status = acpi_ut_release_mutex (ACPI_MTX_EVENTS); 710 status = acpi_ut_release_mutex(ACPI_MTX_EVENTS);
748 return_ACPI_STATUS (status); 711 return_ACPI_STATUS(status);
749} 712}
750 713
751
752/******************************************************************************* 714/*******************************************************************************
753 * 715 *
754 * FUNCTION: acpi_ev_create_gpe_info_blocks 716 * FUNCTION: acpi_ev_create_gpe_info_blocks
@@ -762,43 +724,41 @@ unlock_and_exit:
762 ******************************************************************************/ 724 ******************************************************************************/
763 725
764static acpi_status 726static acpi_status
765acpi_ev_create_gpe_info_blocks ( 727acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block)
766 struct acpi_gpe_block_info *gpe_block)
767{ 728{
768 struct acpi_gpe_register_info *gpe_register_info = NULL; 729 struct acpi_gpe_register_info *gpe_register_info = NULL;
769 struct acpi_gpe_event_info *gpe_event_info = NULL; 730 struct acpi_gpe_event_info *gpe_event_info = NULL;
770 struct acpi_gpe_event_info *this_event; 731 struct acpi_gpe_event_info *this_event;
771 struct acpi_gpe_register_info *this_register; 732 struct acpi_gpe_register_info *this_register;
772 acpi_native_uint i; 733 acpi_native_uint i;
773 acpi_native_uint j; 734 acpi_native_uint j;
774 acpi_status status; 735 acpi_status status;
775
776
777 ACPI_FUNCTION_TRACE ("ev_create_gpe_info_blocks");
778 736
737 ACPI_FUNCTION_TRACE("ev_create_gpe_info_blocks");
779 738
780 /* Allocate the GPE register information block */ 739 /* Allocate the GPE register information block */
781 740
782 gpe_register_info = ACPI_MEM_CALLOCATE ( 741 gpe_register_info = ACPI_MEM_CALLOCATE((acpi_size) gpe_block->
783 (acpi_size) gpe_block->register_count * 742 register_count *
784 sizeof (struct acpi_gpe_register_info)); 743 sizeof(struct
744 acpi_gpe_register_info));
785 if (!gpe_register_info) { 745 if (!gpe_register_info) {
786 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 746 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
787 "Could not allocate the gpe_register_info table\n")); 747 "Could not allocate the gpe_register_info table\n"));
788 return_ACPI_STATUS (AE_NO_MEMORY); 748 return_ACPI_STATUS(AE_NO_MEMORY);
789 } 749 }
790 750
791 /* 751 /*
792 * Allocate the GPE event_info block. There are eight distinct GPEs 752 * Allocate the GPE event_info block. There are eight distinct GPEs
793 * per register. Initialization to zeros is sufficient. 753 * per register. Initialization to zeros is sufficient.
794 */ 754 */
795 gpe_event_info = ACPI_MEM_CALLOCATE ( 755 gpe_event_info = ACPI_MEM_CALLOCATE(((acpi_size) gpe_block->
796 ((acpi_size) gpe_block->register_count * 756 register_count *
797 ACPI_GPE_REGISTER_WIDTH) * 757 ACPI_GPE_REGISTER_WIDTH) *
798 sizeof (struct acpi_gpe_event_info)); 758 sizeof(struct acpi_gpe_event_info));
799 if (!gpe_event_info) { 759 if (!gpe_event_info) {
800 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 760 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
801 "Could not allocate the gpe_event_info table\n")); 761 "Could not allocate the gpe_event_info table\n"));
802 status = AE_NO_MEMORY; 762 status = AE_NO_MEMORY;
803 goto error_exit; 763 goto error_exit;
804 } 764 }
@@ -806,7 +766,7 @@ acpi_ev_create_gpe_info_blocks (
806 /* Save the new Info arrays in the GPE block */ 766 /* Save the new Info arrays in the GPE block */
807 767
808 gpe_block->register_info = gpe_register_info; 768 gpe_block->register_info = gpe_register_info;
809 gpe_block->event_info = gpe_event_info; 769 gpe_block->event_info = gpe_event_info;
810 770
811 /* 771 /*
812 * Initialize the GPE Register and Event structures. A goal of these 772 * Initialize the GPE Register and Event structures. A goal of these
@@ -815,29 +775,34 @@ acpi_ev_create_gpe_info_blocks (
815 * and the enable registers occupy the second half. 775 * and the enable registers occupy the second half.
816 */ 776 */
817 this_register = gpe_register_info; 777 this_register = gpe_register_info;
818 this_event = gpe_event_info; 778 this_event = gpe_event_info;
819 779
820 for (i = 0; i < gpe_block->register_count; i++) { 780 for (i = 0; i < gpe_block->register_count; i++) {
821 /* Init the register_info for this GPE register (8 GPEs) */ 781 /* Init the register_info for this GPE register (8 GPEs) */
822 782
823 this_register->base_gpe_number = (u8) (gpe_block->block_base_number + 783 this_register->base_gpe_number =
824 (i * ACPI_GPE_REGISTER_WIDTH)); 784 (u8) (gpe_block->block_base_number +
825 785 (i * ACPI_GPE_REGISTER_WIDTH));
826 ACPI_STORE_ADDRESS (this_register->status_address.address, 786
827 (gpe_block->block_address.address 787 ACPI_STORE_ADDRESS(this_register->status_address.address,
828 + i)); 788 (gpe_block->block_address.address + i));
829 789
830 ACPI_STORE_ADDRESS (this_register->enable_address.address, 790 ACPI_STORE_ADDRESS(this_register->enable_address.address,
831 (gpe_block->block_address.address 791 (gpe_block->block_address.address
832 + i 792 + i + gpe_block->register_count));
833 + gpe_block->register_count)); 793
834 794 this_register->status_address.address_space_id =
835 this_register->status_address.address_space_id = gpe_block->block_address.address_space_id; 795 gpe_block->block_address.address_space_id;
836 this_register->enable_address.address_space_id = gpe_block->block_address.address_space_id; 796 this_register->enable_address.address_space_id =
837 this_register->status_address.register_bit_width = ACPI_GPE_REGISTER_WIDTH; 797 gpe_block->block_address.address_space_id;
838 this_register->enable_address.register_bit_width = ACPI_GPE_REGISTER_WIDTH; 798 this_register->status_address.register_bit_width =
839 this_register->status_address.register_bit_offset = ACPI_GPE_REGISTER_WIDTH; 799 ACPI_GPE_REGISTER_WIDTH;
840 this_register->enable_address.register_bit_offset = ACPI_GPE_REGISTER_WIDTH; 800 this_register->enable_address.register_bit_width =
801 ACPI_GPE_REGISTER_WIDTH;
802 this_register->status_address.register_bit_offset =
803 ACPI_GPE_REGISTER_WIDTH;
804 this_register->enable_address.register_bit_offset =
805 ACPI_GPE_REGISTER_WIDTH;
841 806
842 /* Init the event_info for each GPE within this register */ 807 /* Init the event_info for each GPE within this register */
843 808
@@ -852,36 +817,36 @@ acpi_ev_create_gpe_info_blocks (
852 * are cleared by writing a '1', while enable registers are cleared 817 * are cleared by writing a '1', while enable registers are cleared
853 * by writing a '0'. 818 * by writing a '0'.
854 */ 819 */
855 status = acpi_hw_low_level_write (ACPI_GPE_REGISTER_WIDTH, 0x00, 820 status = acpi_hw_low_level_write(ACPI_GPE_REGISTER_WIDTH, 0x00,
856 &this_register->enable_address); 821 &this_register->
857 if (ACPI_FAILURE (status)) { 822 enable_address);
823 if (ACPI_FAILURE(status)) {
858 goto error_exit; 824 goto error_exit;
859 } 825 }
860 826
861 status = acpi_hw_low_level_write (ACPI_GPE_REGISTER_WIDTH, 0xFF, 827 status = acpi_hw_low_level_write(ACPI_GPE_REGISTER_WIDTH, 0xFF,
862 &this_register->status_address); 828 &this_register->
863 if (ACPI_FAILURE (status)) { 829 status_address);
830 if (ACPI_FAILURE(status)) {
864 goto error_exit; 831 goto error_exit;
865 } 832 }
866 833
867 this_register++; 834 this_register++;
868 } 835 }
869 836
870 return_ACPI_STATUS (AE_OK); 837 return_ACPI_STATUS(AE_OK);
871
872 838
873error_exit: 839 error_exit:
874 if (gpe_register_info) { 840 if (gpe_register_info) {
875 ACPI_MEM_FREE (gpe_register_info); 841 ACPI_MEM_FREE(gpe_register_info);
876 } 842 }
877 if (gpe_event_info) { 843 if (gpe_event_info) {
878 ACPI_MEM_FREE (gpe_event_info); 844 ACPI_MEM_FREE(gpe_event_info);
879 } 845 }
880 846
881 return_ACPI_STATUS (status); 847 return_ACPI_STATUS(status);
882} 848}
883 849
884
885/******************************************************************************* 850/*******************************************************************************
886 * 851 *
887 * FUNCTION: acpi_ev_create_gpe_block 852 * FUNCTION: acpi_ev_create_gpe_block
@@ -900,68 +865,66 @@ error_exit:
900 ******************************************************************************/ 865 ******************************************************************************/
901 866
902acpi_status 867acpi_status
903acpi_ev_create_gpe_block ( 868acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
904 struct acpi_namespace_node *gpe_device, 869 struct acpi_generic_address *gpe_block_address,
905 struct acpi_generic_address *gpe_block_address, 870 u32 register_count,
906 u32 register_count, 871 u8 gpe_block_base_number,
907 u8 gpe_block_base_number, 872 u32 interrupt_number,
908 u32 interrupt_number, 873 struct acpi_gpe_block_info **return_gpe_block)
909 struct acpi_gpe_block_info **return_gpe_block)
910{ 874{
911 struct acpi_gpe_block_info *gpe_block; 875 struct acpi_gpe_block_info *gpe_block;
912 struct acpi_gpe_event_info *gpe_event_info; 876 struct acpi_gpe_event_info *gpe_event_info;
913 acpi_native_uint i; 877 acpi_native_uint i;
914 acpi_native_uint j; 878 acpi_native_uint j;
915 u32 wake_gpe_count; 879 u32 wake_gpe_count;
916 u32 gpe_enabled_count; 880 u32 gpe_enabled_count;
917 acpi_status status; 881 acpi_status status;
918 struct acpi_gpe_walk_info gpe_info; 882 struct acpi_gpe_walk_info gpe_info;
919
920
921 ACPI_FUNCTION_TRACE ("ev_create_gpe_block");
922 883
884 ACPI_FUNCTION_TRACE("ev_create_gpe_block");
923 885
924 if (!register_count) { 886 if (!register_count) {
925 return_ACPI_STATUS (AE_OK); 887 return_ACPI_STATUS(AE_OK);
926 } 888 }
927 889
928 /* Allocate a new GPE block */ 890 /* Allocate a new GPE block */
929 891
930 gpe_block = ACPI_MEM_CALLOCATE (sizeof (struct acpi_gpe_block_info)); 892 gpe_block = ACPI_MEM_CALLOCATE(sizeof(struct acpi_gpe_block_info));
931 if (!gpe_block) { 893 if (!gpe_block) {
932 return_ACPI_STATUS (AE_NO_MEMORY); 894 return_ACPI_STATUS(AE_NO_MEMORY);
933 } 895 }
934 896
935 /* Initialize the new GPE block */ 897 /* Initialize the new GPE block */
936 898
937 gpe_block->register_count = register_count; 899 gpe_block->register_count = register_count;
938 gpe_block->block_base_number = gpe_block_base_number; 900 gpe_block->block_base_number = gpe_block_base_number;
939 gpe_block->node = gpe_device; 901 gpe_block->node = gpe_device;
940 902
941 ACPI_MEMCPY (&gpe_block->block_address, gpe_block_address, 903 ACPI_MEMCPY(&gpe_block->block_address, gpe_block_address,
942 sizeof (struct acpi_generic_address)); 904 sizeof(struct acpi_generic_address));
943 905
944 /* Create the register_info and event_info sub-structures */ 906 /* Create the register_info and event_info sub-structures */
945 907
946 status = acpi_ev_create_gpe_info_blocks (gpe_block); 908 status = acpi_ev_create_gpe_info_blocks(gpe_block);
947 if (ACPI_FAILURE (status)) { 909 if (ACPI_FAILURE(status)) {
948 ACPI_MEM_FREE (gpe_block); 910 ACPI_MEM_FREE(gpe_block);
949 return_ACPI_STATUS (status); 911 return_ACPI_STATUS(status);
950 } 912 }
951 913
952 /* Install the new block in the global list(s) */ 914 /* Install the new block in the global list(s) */
953 915
954 status = acpi_ev_install_gpe_block (gpe_block, interrupt_number); 916 status = acpi_ev_install_gpe_block(gpe_block, interrupt_number);
955 if (ACPI_FAILURE (status)) { 917 if (ACPI_FAILURE(status)) {
956 ACPI_MEM_FREE (gpe_block); 918 ACPI_MEM_FREE(gpe_block);
957 return_ACPI_STATUS (status); 919 return_ACPI_STATUS(status);
958 } 920 }
959 921
960 /* Find all GPE methods (_Lxx, _Exx) for this block */ 922 /* Find all GPE methods (_Lxx, _Exx) for this block */
961 923
962 status = acpi_ns_walk_namespace (ACPI_TYPE_METHOD, gpe_device, 924 status = acpi_ns_walk_namespace(ACPI_TYPE_METHOD, gpe_device,
963 ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK, acpi_ev_save_method_info, 925 ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK,
964 gpe_block, NULL); 926 acpi_ev_save_method_info, gpe_block,
927 NULL);
965 928
966 /* 929 /*
967 * Runtime option: Should Wake GPEs be enabled at runtime? The default 930 * Runtime option: Should Wake GPEs be enabled at runtime? The default
@@ -977,9 +940,11 @@ acpi_ev_create_gpe_block (
977 gpe_info.gpe_block = gpe_block; 940 gpe_info.gpe_block = gpe_block;
978 gpe_info.gpe_device = gpe_device; 941 gpe_info.gpe_device = gpe_device;
979 942
980 status = acpi_ns_walk_namespace (ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, 943 status =
981 ACPI_UINT32_MAX, ACPI_NS_WALK_UNLOCK, acpi_ev_match_prw_and_gpe, 944 acpi_ns_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
982 &gpe_info, NULL); 945 ACPI_UINT32_MAX, ACPI_NS_WALK_UNLOCK,
946 acpi_ev_match_prw_and_gpe, &gpe_info,
947 NULL);
983 } 948 }
984 949
985 /* 950 /*
@@ -994,10 +959,14 @@ acpi_ev_create_gpe_block (
994 for (j = 0; j < 8; j++) { 959 for (j = 0; j < 8; j++) {
995 /* Get the info block for this particular GPE */ 960 /* Get the info block for this particular GPE */
996 961
997 gpe_event_info = &gpe_block->event_info[(i * ACPI_GPE_REGISTER_WIDTH) + j]; 962 gpe_event_info =
963 &gpe_block->
964 event_info[(i * ACPI_GPE_REGISTER_WIDTH) + j];
998 965
999 if (((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) == ACPI_GPE_DISPATCH_METHOD) && 966 if (((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
1000 (gpe_event_info->flags & ACPI_GPE_TYPE_RUNTIME)) { 967 ACPI_GPE_DISPATCH_METHOD)
968 && (gpe_event_info->
969 flags & ACPI_GPE_TYPE_RUNTIME)) {
1001 gpe_enabled_count++; 970 gpe_enabled_count++;
1002 } 971 }
1003 972
@@ -1009,22 +978,22 @@ acpi_ev_create_gpe_block (
1009 978
1010 /* Dump info about this GPE block */ 979 /* Dump info about this GPE block */
1011 980
1012 ACPI_DEBUG_PRINT ((ACPI_DB_INIT, 981 ACPI_DEBUG_PRINT((ACPI_DB_INIT,
1013 "GPE %02X to %02X [%4.4s] %u regs on int 0x%X\n", 982 "GPE %02X to %02X [%4.4s] %u regs on int 0x%X\n",
1014 (u32) gpe_block->block_base_number, 983 (u32) gpe_block->block_base_number,
1015 (u32) (gpe_block->block_base_number + 984 (u32) (gpe_block->block_base_number +
1016 ((gpe_block->register_count * ACPI_GPE_REGISTER_WIDTH) -1)), 985 ((gpe_block->register_count *
1017 gpe_device->name.ascii, 986 ACPI_GPE_REGISTER_WIDTH) - 1)),
1018 gpe_block->register_count, 987 gpe_device->name.ascii, gpe_block->register_count,
1019 interrupt_number)); 988 interrupt_number));
1020 989
1021 /* Enable all valid GPEs found above */ 990 /* Enable all valid GPEs found above */
1022 991
1023 status = acpi_hw_enable_runtime_gpe_block (NULL, gpe_block); 992 status = acpi_hw_enable_runtime_gpe_block(NULL, gpe_block);
1024 993
1025 ACPI_DEBUG_PRINT ((ACPI_DB_INIT, 994 ACPI_DEBUG_PRINT((ACPI_DB_INIT,
1026 "Found %u Wake, Enabled %u Runtime GPEs in this block\n", 995 "Found %u Wake, Enabled %u Runtime GPEs in this block\n",
1027 wake_gpe_count, gpe_enabled_count)); 996 wake_gpe_count, gpe_enabled_count));
1028 997
1029 /* Return the new block */ 998 /* Return the new block */
1030 999
@@ -1032,10 +1001,9 @@ acpi_ev_create_gpe_block (
1032 (*return_gpe_block) = gpe_block; 1001 (*return_gpe_block) = gpe_block;
1033 } 1002 }
1034 1003
1035 return_ACPI_STATUS (AE_OK); 1004 return_ACPI_STATUS(AE_OK);
1036} 1005}
1037 1006
1038
1039/******************************************************************************* 1007/*******************************************************************************
1040 * 1008 *
1041 * FUNCTION: acpi_ev_gpe_initialize 1009 * FUNCTION: acpi_ev_gpe_initialize
@@ -1048,22 +1016,18 @@ acpi_ev_create_gpe_block (
1048 * 1016 *
1049 ******************************************************************************/ 1017 ******************************************************************************/
1050 1018
1051acpi_status 1019acpi_status acpi_ev_gpe_initialize(void)
1052acpi_ev_gpe_initialize (
1053 void)
1054{ 1020{
1055 u32 register_count0 = 0; 1021 u32 register_count0 = 0;
1056 u32 register_count1 = 0; 1022 u32 register_count1 = 0;
1057 u32 gpe_number_max = 0; 1023 u32 gpe_number_max = 0;
1058 acpi_status status; 1024 acpi_status status;
1059 1025
1026 ACPI_FUNCTION_TRACE("ev_gpe_initialize");
1060 1027
1061 ACPI_FUNCTION_TRACE ("ev_gpe_initialize"); 1028 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
1062 1029 if (ACPI_FAILURE(status)) {
1063 1030 return_ACPI_STATUS(status);
1064 status = acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE);
1065 if (ACPI_FAILURE (status)) {
1066 return_ACPI_STATUS (status);
1067 } 1031 }
1068 1032
1069 /* 1033 /*
@@ -1091,29 +1055,29 @@ acpi_ev_gpe_initialize (
1091 * If EITHER the register length OR the block address are zero, then that 1055 * If EITHER the register length OR the block address are zero, then that
1092 * particular block is not supported. 1056 * particular block is not supported.
1093 */ 1057 */
1094 if (acpi_gbl_FADT->gpe0_blk_len && 1058 if (acpi_gbl_FADT->gpe0_blk_len && acpi_gbl_FADT->xgpe0_blk.address) {
1095 acpi_gbl_FADT->xgpe0_blk.address) {
1096 /* GPE block 0 exists (has both length and address > 0) */ 1059 /* GPE block 0 exists (has both length and address > 0) */
1097 1060
1098 register_count0 = (u16) (acpi_gbl_FADT->gpe0_blk_len / 2); 1061 register_count0 = (u16) (acpi_gbl_FADT->gpe0_blk_len / 2);
1099 1062
1100 gpe_number_max = (register_count0 * ACPI_GPE_REGISTER_WIDTH) - 1; 1063 gpe_number_max =
1064 (register_count0 * ACPI_GPE_REGISTER_WIDTH) - 1;
1101 1065
1102 /* Install GPE Block 0 */ 1066 /* Install GPE Block 0 */
1103 1067
1104 status = acpi_ev_create_gpe_block (acpi_gbl_fadt_gpe_device, 1068 status = acpi_ev_create_gpe_block(acpi_gbl_fadt_gpe_device,
1105 &acpi_gbl_FADT->xgpe0_blk, register_count0, 0, 1069 &acpi_gbl_FADT->xgpe0_blk,
1106 acpi_gbl_FADT->sci_int, &acpi_gbl_gpe_fadt_blocks[0]); 1070 register_count0, 0,
1071 acpi_gbl_FADT->sci_int,
1072 &acpi_gbl_gpe_fadt_blocks[0]);
1107 1073
1108 if (ACPI_FAILURE (status)) { 1074 if (ACPI_FAILURE(status)) {
1109 ACPI_REPORT_ERROR (( 1075 ACPI_REPORT_ERROR(("Could not create GPE Block 0, %s\n",
1110 "Could not create GPE Block 0, %s\n", 1076 acpi_format_exception(status)));
1111 acpi_format_exception (status)));
1112 } 1077 }
1113 } 1078 }
1114 1079
1115 if (acpi_gbl_FADT->gpe1_blk_len && 1080 if (acpi_gbl_FADT->gpe1_blk_len && acpi_gbl_FADT->xgpe1_blk.address) {
1116 acpi_gbl_FADT->xgpe1_blk.address) {
1117 /* GPE block 1 exists (has both length and address > 0) */ 1081 /* GPE block 1 exists (has both length and address > 0) */
1118 1082
1119 register_count1 = (u16) (acpi_gbl_FADT->gpe1_blk_len / 2); 1083 register_count1 = (u16) (acpi_gbl_FADT->gpe1_blk_len / 2);
@@ -1121,29 +1085,26 @@ acpi_ev_gpe_initialize (
1121 /* Check for GPE0/GPE1 overlap (if both banks exist) */ 1085 /* Check for GPE0/GPE1 overlap (if both banks exist) */
1122 1086
1123 if ((register_count0) && 1087 if ((register_count0) &&
1124 (gpe_number_max >= acpi_gbl_FADT->gpe1_base)) { 1088 (gpe_number_max >= acpi_gbl_FADT->gpe1_base)) {
1125 ACPI_REPORT_ERROR (( 1089 ACPI_REPORT_ERROR(("GPE0 block (GPE 0 to %d) overlaps the GPE1 block (GPE %d to %d) - Ignoring GPE1\n", gpe_number_max, acpi_gbl_FADT->gpe1_base, acpi_gbl_FADT->gpe1_base + ((register_count1 * ACPI_GPE_REGISTER_WIDTH) - 1)));
1126 "GPE0 block (GPE 0 to %d) overlaps the GPE1 block (GPE %d to %d) - Ignoring GPE1\n",
1127 gpe_number_max, acpi_gbl_FADT->gpe1_base,
1128 acpi_gbl_FADT->gpe1_base +
1129 ((register_count1 * ACPI_GPE_REGISTER_WIDTH) - 1)));
1130 1090
1131 /* Ignore GPE1 block by setting the register count to zero */ 1091 /* Ignore GPE1 block by setting the register count to zero */
1132 1092
1133 register_count1 = 0; 1093 register_count1 = 0;
1134 } 1094 } else {
1135 else {
1136 /* Install GPE Block 1 */ 1095 /* Install GPE Block 1 */
1137 1096
1138 status = acpi_ev_create_gpe_block (acpi_gbl_fadt_gpe_device, 1097 status =
1139 &acpi_gbl_FADT->xgpe1_blk, register_count1, 1098 acpi_ev_create_gpe_block(acpi_gbl_fadt_gpe_device,
1140 acpi_gbl_FADT->gpe1_base, 1099 &acpi_gbl_FADT->xgpe1_blk,
1141 acpi_gbl_FADT->sci_int, &acpi_gbl_gpe_fadt_blocks[1]); 1100 register_count1,
1142 1101 acpi_gbl_FADT->gpe1_base,
1143 if (ACPI_FAILURE (status)) { 1102 acpi_gbl_FADT->sci_int,
1144 ACPI_REPORT_ERROR (( 1103 &acpi_gbl_gpe_fadt_blocks
1145 "Could not create GPE Block 1, %s\n", 1104 [1]);
1146 acpi_format_exception (status))); 1105
1106 if (ACPI_FAILURE(status)) {
1107 ACPI_REPORT_ERROR(("Could not create GPE Block 1, %s\n", acpi_format_exception(status)));
1147 } 1108 }
1148 1109
1149 /* 1110 /*
@@ -1151,7 +1112,7 @@ acpi_ev_gpe_initialize (
1151 * space. However, GPE0 always starts at GPE number zero. 1112 * space. However, GPE0 always starts at GPE number zero.
1152 */ 1113 */
1153 gpe_number_max = acpi_gbl_FADT->gpe1_base + 1114 gpe_number_max = acpi_gbl_FADT->gpe1_base +
1154 ((register_count1 * ACPI_GPE_REGISTER_WIDTH) - 1); 1115 ((register_count1 * ACPI_GPE_REGISTER_WIDTH) - 1);
1155 } 1116 }
1156 } 1117 }
1157 1118
@@ -1160,8 +1121,8 @@ acpi_ev_gpe_initialize (
1160 if ((register_count0 + register_count1) == 0) { 1121 if ((register_count0 + register_count1) == 0) {
1161 /* GPEs are not required by ACPI, this is OK */ 1122 /* GPEs are not required by ACPI, this is OK */
1162 1123
1163 ACPI_DEBUG_PRINT ((ACPI_DB_INIT, 1124 ACPI_DEBUG_PRINT((ACPI_DB_INIT,
1164 "There are no GPE blocks defined in the FADT\n")); 1125 "There are no GPE blocks defined in the FADT\n"));
1165 status = AE_OK; 1126 status = AE_OK;
1166 goto cleanup; 1127 goto cleanup;
1167 } 1128 }
@@ -1169,15 +1130,12 @@ acpi_ev_gpe_initialize (
1169 /* Check for Max GPE number out-of-range */ 1130 /* Check for Max GPE number out-of-range */
1170 1131
1171 if (gpe_number_max > ACPI_GPE_MAX) { 1132 if (gpe_number_max > ACPI_GPE_MAX) {
1172 ACPI_REPORT_ERROR (("Maximum GPE number from FADT is too large: 0x%X\n", 1133 ACPI_REPORT_ERROR(("Maximum GPE number from FADT is too large: 0x%X\n", gpe_number_max));
1173 gpe_number_max));
1174 status = AE_BAD_VALUE; 1134 status = AE_BAD_VALUE;
1175 goto cleanup; 1135 goto cleanup;
1176 } 1136 }
1177 1137
1178cleanup: 1138 cleanup:
1179 (void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE); 1139 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
1180 return_ACPI_STATUS (AE_OK); 1140 return_ACPI_STATUS(AE_OK);
1181} 1141}
1182
1183
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-12 06:40:49 -0500