diff options
Diffstat (limited to 'drivers/acpi/events/evregion.c')
| -rw-r--r-- | drivers/acpi/events/evregion.c | 582 |
1 files changed, 279 insertions, 303 deletions
diff --git a/drivers/acpi/events/evregion.c b/drivers/acpi/events/evregion.c index a1d7276c574..84fad082d80 100644 --- a/drivers/acpi/events/evregion.c +++ b/drivers/acpi/events/evregion.c @@ -41,39 +41,30 @@ * POSSIBILITY OF SUCH DAMAGES. */ - #include <acpi/acpi.h> #include <acpi/acevents.h> #include <acpi/acnamesp.h> #include <acpi/acinterp.h> #define _COMPONENT ACPI_EVENTS - ACPI_MODULE_NAME ("evregion") - +ACPI_MODULE_NAME("evregion") #define ACPI_NUM_DEFAULT_SPACES 4 - -static u8 acpi_gbl_default_address_spaces[ACPI_NUM_DEFAULT_SPACES] = { - ACPI_ADR_SPACE_SYSTEM_MEMORY, - ACPI_ADR_SPACE_SYSTEM_IO, - ACPI_ADR_SPACE_PCI_CONFIG, - ACPI_ADR_SPACE_DATA_TABLE}; +static u8 acpi_gbl_default_address_spaces[ACPI_NUM_DEFAULT_SPACES] = { + ACPI_ADR_SPACE_SYSTEM_MEMORY, + ACPI_ADR_SPACE_SYSTEM_IO, + ACPI_ADR_SPACE_PCI_CONFIG, + ACPI_ADR_SPACE_DATA_TABLE +}; /* Local prototypes */ static acpi_status -acpi_ev_reg_run ( - acpi_handle obj_handle, - u32 level, - void *context, - void **return_value); +acpi_ev_reg_run(acpi_handle obj_handle, + u32 level, void *context, void **return_value); static acpi_status -acpi_ev_install_handler ( - acpi_handle obj_handle, - u32 level, - void *context, - void **return_value); - +acpi_ev_install_handler(acpi_handle obj_handle, + u32 level, void *context, void **return_value); /******************************************************************************* * @@ -87,19 +78,16 @@ acpi_ev_install_handler ( * ******************************************************************************/ -acpi_status -acpi_ev_install_region_handlers ( - void) { - acpi_status status; - acpi_native_uint i; - - - ACPI_FUNCTION_TRACE ("ev_install_region_handlers"); +acpi_status acpi_ev_install_region_handlers(void) +{ + acpi_status status; + acpi_native_uint i; + ACPI_FUNCTION_TRACE("ev_install_region_handlers"); - status = acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } /* @@ -121,9 +109,11 @@ acpi_ev_install_region_handlers ( * Similar for AE_SAME_HANDLER. */ for (i = 0; i < ACPI_NUM_DEFAULT_SPACES; i++) { - status = acpi_ev_install_space_handler (acpi_gbl_root_node, - acpi_gbl_default_address_spaces[i], - ACPI_DEFAULT_HANDLER, NULL, NULL); + status = acpi_ev_install_space_handler(acpi_gbl_root_node, + acpi_gbl_default_address_spaces + [i], + ACPI_DEFAULT_HANDLER, + NULL, NULL); switch (status) { case AE_OK: case AE_SAME_HANDLER: @@ -140,12 +130,11 @@ acpi_ev_install_region_handlers ( } } -unlock_and_exit: - (void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE); - return_ACPI_STATUS (status); + unlock_and_exit: + (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); + return_ACPI_STATUS(status); } - /******************************************************************************* * * FUNCTION: acpi_ev_initialize_op_regions @@ -159,20 +148,16 @@ unlock_and_exit: * ******************************************************************************/ -acpi_status -acpi_ev_initialize_op_regions ( - void) +acpi_status acpi_ev_initialize_op_regions(void) { - acpi_status status; - acpi_native_uint i; - + acpi_status status; + acpi_native_uint i; - ACPI_FUNCTION_TRACE ("ev_initialize_op_regions"); + ACPI_FUNCTION_TRACE("ev_initialize_op_regions"); - - status = acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } /* @@ -182,15 +167,15 @@ acpi_ev_initialize_op_regions ( /* TBD: Make sure handler is the DEFAULT handler, otherwise * _REG will have already been run. */ - status = acpi_ev_execute_reg_methods (acpi_gbl_root_node, - acpi_gbl_default_address_spaces[i]); + status = acpi_ev_execute_reg_methods(acpi_gbl_root_node, + acpi_gbl_default_address_spaces + [i]); } - (void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE); - return_ACPI_STATUS (status); + (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); + return_ACPI_STATUS(status); } - /******************************************************************************* * * FUNCTION: acpi_ev_execute_reg_method @@ -205,26 +190,22 @@ acpi_ev_initialize_op_regions ( ******************************************************************************/ acpi_status -acpi_ev_execute_reg_method ( - union acpi_operand_object *region_obj, - u32 function) +acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function) { - struct acpi_parameter_info info; - union acpi_operand_object *params[3]; - union acpi_operand_object *region_obj2; - acpi_status status; - + struct acpi_parameter_info info; + union acpi_operand_object *params[3]; + union acpi_operand_object *region_obj2; + acpi_status status; - ACPI_FUNCTION_TRACE ("ev_execute_reg_method"); + ACPI_FUNCTION_TRACE("ev_execute_reg_method"); - - region_obj2 = acpi_ns_get_secondary_object (region_obj); + region_obj2 = acpi_ns_get_secondary_object(region_obj); if (!region_obj2) { - return_ACPI_STATUS (AE_NOT_EXIST); + return_ACPI_STATUS(AE_NOT_EXIST); } if (region_obj2->extra.method_REG == NULL) { - return_ACPI_STATUS (AE_OK); + return_ACPI_STATUS(AE_OK); } /* @@ -237,12 +218,12 @@ acpi_ev_execute_reg_method ( * 0 for disconnecting the handler * Passed as a parameter */ - params[0] = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER); + params[0] = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); if (!params[0]) { - return_ACPI_STATUS (AE_NO_MEMORY); + return_ACPI_STATUS(AE_NO_MEMORY); } - params[1] = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER); + params[1] = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); if (!params[1]) { status = AE_NO_MEMORY; goto cleanup; @@ -260,19 +241,18 @@ acpi_ev_execute_reg_method ( /* Execute the method, no return value */ - ACPI_DEBUG_EXEC (acpi_ut_display_init_pathname ( - ACPI_TYPE_METHOD, info.node, NULL)); - status = acpi_ns_evaluate_by_handle (&info); + ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname + (ACPI_TYPE_METHOD, info.node, NULL)); + status = acpi_ns_evaluate_by_handle(&info); - acpi_ut_remove_reference (params[1]); + acpi_ut_remove_reference(params[1]); -cleanup: - acpi_ut_remove_reference (params[0]); + cleanup: + acpi_ut_remove_reference(params[0]); - return_ACPI_STATUS (status); + return_ACPI_STATUS(status); } - /******************************************************************************* * * FUNCTION: acpi_ev_address_space_dispatch @@ -291,40 +271,38 @@ cleanup: ******************************************************************************/ acpi_status -acpi_ev_address_space_dispatch ( - union acpi_operand_object *region_obj, - u32 function, - acpi_physical_address address, - u32 bit_width, - void *value) +acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj, + u32 function, + acpi_physical_address address, + u32 bit_width, void *value) { - acpi_status status; - acpi_status status2; - acpi_adr_space_handler handler; - acpi_adr_space_setup region_setup; - union acpi_operand_object *handler_desc; - union acpi_operand_object *region_obj2; - void *region_context = NULL; + acpi_status status; + acpi_status status2; + acpi_adr_space_handler handler; + acpi_adr_space_setup region_setup; + union acpi_operand_object *handler_desc; + union acpi_operand_object *region_obj2; + void *region_context = NULL; + ACPI_FUNCTION_TRACE("ev_address_space_dispatch"); - ACPI_FUNCTION_TRACE ("ev_address_space_dispatch"); - - - region_obj2 = acpi_ns_get_secondary_object (region_obj); + region_obj2 = acpi_ns_get_secondary_object(region_obj); if (!region_obj2) { - return_ACPI_STATUS (AE_NOT_EXIST); + return_ACPI_STATUS(AE_NOT_EXIST); } /* Ensure that there is a handler associated with this region */ handler_desc = region_obj->region.handler; if (!handler_desc) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "No handler for Region [%4.4s] (%p) [%s]\n", - acpi_ut_get_node_name (region_obj->region.node), - region_obj, acpi_ut_get_region_name (region_obj->region.space_id))); - - return_ACPI_STATUS (AE_NOT_EXIST); + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "No handler for Region [%4.4s] (%p) [%s]\n", + acpi_ut_get_node_name(region_obj->region. + node), region_obj, + acpi_ut_get_region_name(region_obj->region. + space_id))); + + return_ACPI_STATUS(AE_NOT_EXIST); } /* @@ -339,10 +317,13 @@ acpi_ev_address_space_dispatch ( if (!region_setup) { /* No initialization routine, exit with error */ - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "No init routine for region(%p) [%s]\n", - region_obj, acpi_ut_get_region_name (region_obj->region.space_id))); - return_ACPI_STATUS (AE_NOT_EXIST); + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "No init routine for region(%p) [%s]\n", + region_obj, + acpi_ut_get_region_name(region_obj-> + region. + space_id))); + return_ACPI_STATUS(AE_NOT_EXIST); } /* @@ -350,25 +331,29 @@ acpi_ev_address_space_dispatch ( * setup will potentially execute control methods * (e.g., _REG method for this region) */ - acpi_ex_exit_interpreter (); + acpi_ex_exit_interpreter(); - status = region_setup (region_obj, ACPI_REGION_ACTIVATE, - handler_desc->address_space.context, ®ion_context); + status = region_setup(region_obj, ACPI_REGION_ACTIVATE, + handler_desc->address_space.context, + ®ion_context); /* Re-enter the interpreter */ - status2 = acpi_ex_enter_interpreter (); - if (ACPI_FAILURE (status2)) { - return_ACPI_STATUS (status2); + status2 = acpi_ex_enter_interpreter(); + if (ACPI_FAILURE(status2)) { + return_ACPI_STATUS(status2); } /* Check for failure of the Region Setup */ - if (ACPI_FAILURE (status)) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Region Init: %s [%s]\n", - acpi_format_exception (status), - acpi_ut_get_region_name (region_obj->region.space_id))); - return_ACPI_STATUS (status); + if (ACPI_FAILURE(status)) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Region Init: %s [%s]\n", + acpi_format_exception(status), + acpi_ut_get_region_name(region_obj-> + region. + space_id))); + return_ACPI_STATUS(status); } /* @@ -380,14 +365,14 @@ acpi_ev_address_space_dispatch ( if (region_obj2->extra.region_context) { /* The handler for this region was already installed */ - ACPI_MEM_FREE (region_context); - } - else { + ACPI_MEM_FREE(region_context); + } else { /* * Save the returned context for use in all accesses to * this particular region */ - region_obj2->extra.region_context = region_context; + region_obj2->extra.region_context = + region_context; } } } @@ -396,13 +381,16 @@ acpi_ev_address_space_dispatch ( handler = handler_desc->address_space.handler; - ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION, - "Handler %p (@%p) Address %8.8X%8.8X [%s]\n", - ®ion_obj->region.handler->address_space, handler, - ACPI_FORMAT_UINT64 (address), - acpi_ut_get_region_name (region_obj->region.space_id))); + ACPI_DEBUG_PRINT((ACPI_DB_OPREGION, + "Handler %p (@%p) Address %8.8X%8.8X [%s]\n", + ®ion_obj->region.handler->address_space, handler, + ACPI_FORMAT_UINT64(address), + acpi_ut_get_region_name(region_obj->region. + space_id))); - if (!(handler_desc->address_space.hflags & ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)) { + if (! + (handler_desc->address_space. + hflags & ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)) { /* * For handlers other than the default (supplied) handlers, we must * exit the interpreter because the handler *might* block -- we don't @@ -413,31 +401,33 @@ acpi_ev_address_space_dispatch ( /* Call the handler */ - status = handler (function, address, bit_width, value, + status = handler(function, address, bit_width, value, handler_desc->address_space.context, region_obj2->extra.region_context); - if (ACPI_FAILURE (status)) { - ACPI_REPORT_ERROR (("Handler for [%s] returned %s\n", - acpi_ut_get_region_name (region_obj->region.space_id), - acpi_format_exception (status))); + if (ACPI_FAILURE(status)) { + ACPI_REPORT_ERROR(("Handler for [%s] returned %s\n", + acpi_ut_get_region_name(region_obj->region. + space_id), + acpi_format_exception(status))); } - if (!(handler_desc->address_space.hflags & ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)) { + if (! + (handler_desc->address_space. + hflags & ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)) { /* * We just returned from a non-default handler, we must re-enter the * interpreter */ - status2 = acpi_ex_enter_interpreter (); - if (ACPI_FAILURE (status2)) { - return_ACPI_STATUS (status2); + status2 = acpi_ex_enter_interpreter(); + if (ACPI_FAILURE(status2)) { + return_ACPI_STATUS(status2); } } - return_ACPI_STATUS (status); + return_ACPI_STATUS(status); } - /******************************************************************************* * * FUNCTION: acpi_ev_detach_region @@ -453,23 +443,20 @@ acpi_ev_address_space_dispatch ( ******************************************************************************/ void -acpi_ev_detach_region( - union acpi_operand_object *region_obj, - u8 acpi_ns_is_locked) +acpi_ev_detach_region(union acpi_operand_object *region_obj, + u8 acpi_ns_is_locked) { - union acpi_operand_object *handler_obj; - union acpi_operand_object *obj_desc; - union acpi_operand_object **last_obj_ptr; - acpi_adr_space_setup region_setup; - void **region_context; - union acpi_operand_object *region_obj2; - acpi_status status; - - - ACPI_FUNCTION_TRACE ("ev_detach_region"); + union acpi_operand_object *handler_obj; + union acpi_operand_object *obj_desc; + union acpi_operand_object **last_obj_ptr; + acpi_adr_space_setup region_setup; + void **region_context; + union acpi_operand_object *region_obj2; + acpi_status status; + ACPI_FUNCTION_TRACE("ev_detach_region"); - region_obj2 = acpi_ns_get_secondary_object (region_obj); + region_obj2 = acpi_ns_get_secondary_object(region_obj); if (!region_obj2) { return_VOID; } @@ -493,34 +480,39 @@ acpi_ev_detach_region( /* Is this the correct Region? */ if (obj_desc == region_obj) { - ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION, - "Removing Region %p from address handler %p\n", - region_obj, handler_obj)); + ACPI_DEBUG_PRINT((ACPI_DB_OPREGION, + "Removing Region %p from address handler %p\n", + region_obj, handler_obj)); /* This is it, remove it from the handler's list */ *last_obj_ptr = obj_desc->region.next; - obj_desc->region.next = NULL; /* Must clear field */ + obj_desc->region.next = NULL; /* Must clear field */ if (acpi_ns_is_locked) { - status = acpi_ut_release_mutex (ACPI_MTX_NAMESPACE); - if (ACPI_FAILURE (status)) { + status = + acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE(status)) { return_VOID; } } /* Now stop region accesses by executing the _REG method */ - status = acpi_ev_execute_reg_method (region_obj, 0); - if (ACPI_FAILURE (status)) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%s from region _REG, [%s]\n", - acpi_format_exception (status), - acpi_ut_get_region_name (region_obj->region.space_id))); + status = acpi_ev_execute_reg_method(region_obj, 0); + if (ACPI_FAILURE(status)) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "%s from region _REG, [%s]\n", + acpi_format_exception(status), + acpi_ut_get_region_name + (region_obj->region. + space_id))); } if (acpi_ns_is_locked) { - status = acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE); - if (ACPI_FAILURE (status)) { + status = + acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE(status)) { return_VOID; } } @@ -528,15 +520,20 @@ acpi_ev_detach_region( /* Call the setup handler with the deactivate notification */ region_setup = handler_obj->address_space.setup; - status = region_setup (region_obj, ACPI_REGION_DEACTIVATE, - handler_obj->address_space.context, region_context); + status = + region_setup(region_obj, ACPI_REGION_DEACTIVATE, + handler_obj->address_space.context, + region_context); /* Init routine may fail, Just ignore errors */ - if (ACPI_FAILURE (status)) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%s from region init, [%s]\n", - acpi_format_exception (status), - acpi_ut_get_region_name (region_obj->region.space_id))); + if (ACPI_FAILURE(status)) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "%s from region init, [%s]\n", + acpi_format_exception(status), + acpi_ut_get_region_name + (region_obj->region. + space_id))); } region_obj->region.flags &= ~(AOPOBJ_SETUP_COMPLETE); @@ -552,7 +549,7 @@ acpi_ev_detach_region( * this better be the region's handler */ region_obj->region.handler = NULL; - acpi_ut_remove_reference (handler_obj); + acpi_ut_remove_reference(handler_obj); return_VOID; } @@ -565,14 +562,13 @@ acpi_ev_detach_region( /* If we get here, the region was not in the handler's region list */ - ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION, - "Cannot remove region %p from address handler %p\n", - region_obj, handler_obj)); + ACPI_DEBUG_PRINT((ACPI_DB_OPREGION, + "Cannot remove region %p from address handler %p\n", + region_obj, handler_obj)); return_VOID; } - /******************************************************************************* * * FUNCTION: acpi_ev_attach_region @@ -589,20 +585,19 @@ acpi_ev_detach_region( ******************************************************************************/ acpi_status -acpi_ev_attach_region ( - union acpi_operand_object *handler_obj, - union acpi_operand_object *region_obj, - u8 acpi_ns_is_locked) +acpi_ev_attach_region(union acpi_operand_object *handler_obj, + union acpi_operand_object *region_obj, + u8 acpi_ns_is_locked) { - ACPI_FUNCTION_TRACE ("ev_attach_region"); - + ACPI_FUNCTION_TRACE("ev_attach_region"); - ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION, - "Adding Region [%4.4s] %p to address handler %p [%s]\n", - acpi_ut_get_node_name (region_obj->region.node), - region_obj, handler_obj, - acpi_ut_get_region_name (region_obj->region.space_id))); + ACPI_DEBUG_PRINT((ACPI_DB_OPREGION, + "Adding Region [%4.4s] %p to address handler %p [%s]\n", + acpi_ut_get_node_name(region_obj->region.node), + region_obj, handler_obj, + acpi_ut_get_region_name(region_obj->region. + space_id))); /* Link this region to the front of the handler's list */ @@ -612,16 +607,15 @@ acpi_ev_attach_region ( /* Install the region's handler */ if (region_obj->region.handler) { - return_ACPI_STATUS (AE_ALREADY_EXISTS); + return_ACPI_STATUS(AE_ALREADY_EXISTS); } region_obj->region.handler = handler_obj; - acpi_ut_add_reference (handler_obj); + acpi_ut_add_reference(handler_obj); - return_ACPI_STATUS (AE_OK); + return_ACPI_STATUS(AE_OK); } - /******************************************************************************* * * FUNCTION: acpi_ev_install_handler @@ -640,23 +634,18 @@ acpi_ev_attach_region ( ******************************************************************************/ static acpi_status -acpi_ev_install_handler ( - acpi_handle obj_handle, - u32 level, - void *context, - void **return_value) +acpi_ev_install_handler(acpi_handle obj_handle, + u32 level, void *context, void **return_value) { - union acpi_operand_object *handler_obj; - union acpi_operand_object *next_handler_obj; - union acpi_operand_object *obj_desc; - struct acpi_namespace_node *node; - acpi_status status; + union acpi_operand_object *handler_obj; + union acpi_operand_object *next_handler_obj; + union acpi_operand_object *obj_desc; + struct acpi_namespace_node *node; + acpi_status status; + ACPI_FUNCTION_NAME("ev_install_handler"); - ACPI_FUNCTION_NAME ("ev_install_handler"); - - - handler_obj = (union acpi_operand_object *) context; + handler_obj = (union acpi_operand_object *)context; /* Parameter validation */ @@ -666,7 +655,7 @@ acpi_ev_install_handler ( /* Convert and validate the device handle */ - node = acpi_ns_map_handle_to_node (obj_handle); + node = acpi_ns_map_handle_to_node(obj_handle); if (!node) { return (AE_BAD_PARAMETER); } @@ -676,14 +665,13 @@ acpi_ev_install_handler ( * that are allowed to have address space handlers */ if ((node->type != ACPI_TYPE_DEVICE) && - (node->type != ACPI_TYPE_REGION) && - (node != acpi_gbl_root_node)) { + (node->type != ACPI_TYPE_REGION) && (node != acpi_gbl_root_node)) { return (AE_OK); } /* Check for an existing internal object */ - obj_desc = acpi_ns_get_attached_object (node); + obj_desc = acpi_ns_get_attached_object(node); if (!obj_desc) { /* No object, just exit */ @@ -692,18 +680,22 @@ acpi_ev_install_handler ( /* Devices are handled different than regions */ - if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_DEVICE) { + if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_DEVICE) { /* Check if this Device already has a handler for this address space */ next_handler_obj = obj_desc->device.handler; while (next_handler_obj) { /* Found a handler, is it for the same address space? */ - if (next_handler_obj->address_space.space_id == handler_obj->address_space.space_id) { - ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION, - "Found handler for region [%s] in device %p(%p) handler %p\n", - acpi_ut_get_region_name (handler_obj->address_space.space_id), - obj_desc, next_handler_obj, handler_obj)); + if (next_handler_obj->address_space.space_id == + handler_obj->address_space.space_id) { + ACPI_DEBUG_PRINT((ACPI_DB_OPREGION, + "Found handler for region [%s] in device %p(%p) handler %p\n", + acpi_ut_get_region_name + (handler_obj->address_space. + space_id), obj_desc, + next_handler_obj, + handler_obj)); /* * Since the object we found it on was a device, then it @@ -744,15 +736,14 @@ acpi_ev_install_handler ( * * First disconnect region for any previous handler (if any) */ - acpi_ev_detach_region (obj_desc, FALSE); + acpi_ev_detach_region(obj_desc, FALSE); /* Connect the region to the new handler */ - status = acpi_ev_attach_region (handler_obj, obj_desc, FALSE); + status = acpi_ev_attach_region(handler_obj, obj_desc, FALSE); return (status); } - /******************************************************************************* * * FUNCTION: acpi_ev_install_space_handler @@ -771,32 +762,27 @@ acpi_ev_install_handler ( ******************************************************************************/ acpi_status -acpi_ev_install_space_handler ( - struct acpi_namespace_node *node, - acpi_adr_space_type space_id, - acpi_adr_space_handler handler, - acpi_adr_space_setup setup, - void *context) +acpi_ev_install_space_handler(struct acpi_namespace_node * node, + acpi_adr_space_type space_id, + acpi_adr_space_handler handler, + acpi_adr_space_setup setup, void *context) { - union acpi_operand_object *obj_desc; - union acpi_operand_object *handler_obj; - acpi_status status; - acpi_object_type type; - u16 flags = 0; - - - ACPI_FUNCTION_TRACE ("ev_install_space_handler"); + union acpi_operand_object *obj_desc; + union acpi_operand_object *handler_obj; + acpi_status status; + acpi_object_type type; + u16 flags = 0; + ACPI_FUNCTION_TRACE("ev_install_space_handler"); /* * This registration is valid for only the types below * and the root. This is where the default handlers * get placed. */ - if ((node->type != ACPI_TYPE_DEVICE) && - (node->type != ACPI_TYPE_PROCESSOR) && - (node->type != ACPI_TYPE_THERMAL) && - (node != acpi_gbl_root_node)) { + if ((node->type != ACPI_TYPE_DEVICE) && + (node->type != ACPI_TYPE_PROCESSOR) && + (node->type != ACPI_TYPE_THERMAL) && (node != acpi_gbl_root_node)) { status = AE_BAD_PARAMETER; goto unlock_and_exit; } @@ -807,32 +793,32 @@ acpi_ev_install_space_handler ( switch (space_id) { case ACPI_ADR_SPACE_SYSTEM_MEMORY: handler = acpi_ex_system_memory_space_handler; - setup = acpi_ev_system_memory_region_setup; + setup = acpi_ev_system_memory_region_setup; break; case ACPI_ADR_SPACE_SYSTEM_IO: handler = acpi_ex_system_io_space_handler; - setup = acpi_ev_io_space_region_setup; + setup = acpi_ev_io_space_region_setup; break; case ACPI_ADR_SPACE_PCI_CONFIG: handler = acpi_ex_pci_config_space_handler; - setup = acpi_ev_pci_config_region_setup; + setup = acpi_ev_pci_config_region_setup; break; case ACPI_ADR_SPACE_CMOS: handler = acpi_ex_cmos_space_handler; - setup = acpi_ev_cmos_region_setup; + setup = acpi_ev_cmos_region_setup; break; case ACPI_ADR_SPACE_PCI_BAR_TARGET: handler = acpi_ex_pci_bar_space_handler; - setup = acpi_ev_pci_bar_region_setup; + setup = acpi_ev_pci_bar_region_setup; break; case ACPI_ADR_SPACE_DATA_TABLE: handler = acpi_ex_data_table_space_handler; - setup = NULL; + setup = NULL; break; default: @@ -849,7 +835,7 @@ acpi_ev_install_space_handler ( /* Check for an existing internal object */ - obj_desc = acpi_ns_get_attached_object (node); + obj_desc = acpi_ns_get_attached_object(node); if (obj_desc) { /* * The attached device object already exists. @@ -863,7 +849,8 @@ acpi_ev_install_space_handler ( /* Same space_id indicates a handler already installed */ if (handler_obj->address_space.space_id == space_id) { - if (handler_obj->address_space.handler == handler) { + if (handler_obj->address_space.handler == + handler) { /* * It is (relatively) OK to attempt to install the SAME * handler twice. This can easily happen @@ -871,8 +858,7 @@ acpi_ev_install_space_handler ( */ status = AE_SAME_HANDLER; goto unlock_and_exit; - } - else { + } else { /* A handler is already installed */ status = AE_ALREADY_EXISTS; @@ -884,21 +870,20 @@ acpi_ev_install_space_handler ( handler_obj = handler_obj->address_space.next; } - } - else { - ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION, - "Creating object on Device %p while installing handler\n", node)); + } else { + ACPI_DEBUG_PRINT((ACPI_DB_OPREGION, + "Creating object on Device %p while installing handler\n", + node)); /* obj_desc does not exist, create one */ if (node->type == ACPI_TYPE_ANY) { type = ACPI_TYPE_DEVICE; - } - else { + } else { type = node->type; } - obj_desc = acpi_ut_create_internal_object (type); + obj_desc = acpi_ut_create_internal_object(type); if (!obj_desc) { status = AE_NO_MEMORY; goto unlock_and_exit; @@ -910,21 +895,21 @@ acpi_ev_install_space_handler ( /* Attach the new object to the Node */ - status = acpi_ns_attach_object (node, obj_desc, type); + status = acpi_ns_attach_object(node, obj_desc, type); /* Remove local reference to the object */ - acpi_ut_remove_reference (obj_desc); + acpi_ut_remove_reference(obj_desc); - if (ACPI_FAILURE (status)) { + if (ACPI_FAILURE(status)) { goto unlock_and_exit; } } - ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION, - "Installing address handler for region %s(%X) on Device %4.4s %p(%p)\n", - acpi_ut_get_region_name (space_id), space_id, - acpi_ut_get_node_name (node), node, obj_desc)); + ACPI_DEBUG_PRINT((ACPI_DB_OPREGION, + "Installing address handler for region %s(%X) on Device %4.4s %p(%p)\n", + acpi_ut_get_region_name(space_id), space_id, + acpi_ut_get_node_name(node), node, obj_desc)); /* * Install the handler @@ -933,7 +918,8 @@ acpi_ev_install_space_handler ( * Just allocate the object for the handler and link it * into the list. */ - handler_obj = acpi_ut_create_internal_object (ACPI_TYPE_LOCAL_ADDRESS_HANDLER); + handler_obj = + acpi_ut_create_internal_object(ACPI_TYPE_LOCAL_ADDRESS_HANDLER); if (!handler_obj) { status = AE_NO_MEMORY; goto unlock_and_exit; @@ -941,17 +927,17 @@ acpi_ev_install_space_handler ( /* Init handler obj */ - handler_obj->address_space.space_id = (u8) space_id; - handler_obj->address_space.hflags = flags; + handler_obj->address_space.space_id = (u8) space_id; + handler_obj->address_space.hflags = flags; handler_obj->address_space.region_list = NULL; - handler_obj->address_space.node = node; - handler_obj->address_space.handler = handler; - handler_obj->address_space.context = context; - handler_obj->address_space.setup = setup; + handler_obj->address_space.node = node; + handler_obj->address_space.handler = handler; + handler_obj->address_space.context = context; + handler_obj->address_space.setup = setup; /* Install at head of Device.address_space list */ - handler_obj->address_space.next = obj_desc->device.handler; + handler_obj->address_space.next = obj_desc->device.handler; /* * The Device object is the first reference on the handler_obj. @@ -971,15 +957,15 @@ acpi_ev_install_space_handler ( * In either case, back up and search down the remainder * of the branch */ - status = acpi_ns_walk_namespace (ACPI_TYPE_ANY, node, ACPI_UINT32_MAX, - ACPI_NS_WALK_UNLOCK, acpi_ev_install_handler, - handler_obj, NULL); + status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, node, ACPI_UINT32_MAX, + ACPI_NS_WALK_UNLOCK, + acpi_ev_install_handler, handler_obj, + NULL); -unlock_and_exit: - return_ACPI_STATUS (status); + unlock_and_exit: + return_ACPI_STATUS(status); } - /******************************************************************************* * * FUNCTION: acpi_ev_execute_reg_methods @@ -995,15 +981,12 @@ unlock_and_exit: ******************************************************************************/ acpi_status -acpi_ev_execute_reg_methods ( - struct acpi_namespace_node *node, - acpi_adr_space_type space_id) +acpi_ev_execute_reg_methods(struct acpi_namespace_node *node, + acpi_adr_space_type space_id) { - acpi_status status; - - - ACPI_FUNCTION_TRACE ("ev_execute_reg_methods"); + acpi_status status; + ACPI_FUNCTION_TRACE("ev_execute_reg_methods"); /* * Run all _REG methods for all Operation Regions for this @@ -1012,14 +995,13 @@ acpi_ev_execute_reg_methods ( * must be installed for all regions of this Space ID before we * can run any _REG methods) */ - status = acpi_ns_walk_namespace (ACPI_TYPE_ANY, node, ACPI_UINT32_MAX, - ACPI_NS_WALK_UNLOCK, acpi_ev_reg_run, - &space_id, NULL); + status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, node, ACPI_UINT32_MAX, + ACPI_NS_WALK_UNLOCK, acpi_ev_reg_run, + &space_id, NULL); - return_ACPI_STATUS (status); + return_ACPI_STATUS(status); } - /******************************************************************************* * * FUNCTION: acpi_ev_reg_run @@ -1031,23 +1013,19 @@ acpi_ev_execute_reg_methods ( ******************************************************************************/ static acpi_status -acpi_ev_reg_run ( - acpi_handle obj_handle, - u32 level, - void *context, - void **return_value) +acpi_ev_reg_run(acpi_handle obj_handle, + u32 level, void *context, void **return_value) { - union acpi_operand_object *obj_desc; - struct acpi_namespace_node *node; - acpi_adr_space_type space_id; - acpi_status status; + union acpi_operand_object *obj_desc; + struct acpi_namespace_node *node; + acpi_adr_space_type space_id; + acpi_status status; - - space_id = *ACPI_CAST_PTR (acpi_adr_space_type, context); + space_id = *ACPI_CAST_PTR(acpi_adr_space_type, context); /* Convert and validate the device handle */ - node = acpi_ns_map_handle_to_node (obj_handle); + node = acpi_ns_map_handle_to_node(obj_handle); if (!node) { return (AE_BAD_PARAMETER); } @@ -1056,14 +1034,13 @@ acpi_ev_reg_run ( * We only care about regions.and objects * that are allowed to have address space handlers */ - if ((node->type != ACPI_TYPE_REGION) && - (node != acpi_gbl_root_node)) { + if ((node->type != ACPI_TYPE_REGION) && (node != acpi_gbl_root_node)) { return (AE_OK); } /* Check for an existing internal object */ - obj_desc = acpi_ns_get_attached_object (node); + obj_desc = acpi_ns_get_attached_object(node); if (!obj_desc) { /* No object, just exit */ @@ -1080,7 +1057,6 @@ acpi_ev_reg_run ( return (AE_OK); } - status = acpi_ev_execute_reg_method (obj_desc, 1); + status = acpi_ev_execute_reg_method(obj_desc, 1); return (status); } - |