ACPICA: create acpica/ directory

also, delete sleep/ and delete ACPI_CFLAGS from Makefile

Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 684 insertions, 0 deletions

diff --git a/drivers/acpi/acpica/evrgnini.c b/drivers/acpi/acpica/evrgnini.c
new file mode 100644
index 000000000000..1b7f9fdbef15
--- /dev/null
+++ b/drivers/acpi/acpica/evrgnini.c
@@ -0,0 +1,684 @@
+/******************************************************************************
+ *
+ * Module Name: evrgnini- ACPI address_space (op_region) init
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2008, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include <acpi/accommon.h>
+#include <acpi/acevents.h>
+#include <acpi/acnamesp.h>
+
+#define _COMPONENT          ACPI_EVENTS
+ACPI_MODULE_NAME("evrgnini")
+
+/* Local prototypes */
+static u8 acpi_ev_match_pci_root_bridge(char *id);
+
+static u8 acpi_ev_is_pci_root_bridge(struct acpi_namespace_node *node);
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ev_system_memory_region_setup
+ *
+ * PARAMETERS:  Handle              - Region we are interested in
+ *              Function            - Start or stop
+ *              handler_context     - Address space handler context
+ *              region_context      - Region specific context
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Setup a system_memory operation region
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_system_memory_region_setup(acpi_handle handle,
+                                   u32 function,
+                                   void *handler_context, void **region_context)
+{
+        union acpi_operand_object *region_desc =
+            (union acpi_operand_object *)handle;
+        struct acpi_mem_space_context *local_region_context;
+
+        ACPI_FUNCTION_TRACE(ev_system_memory_region_setup);
+
+        if (function == ACPI_REGION_DEACTIVATE) {
+                if (*region_context) {
+                        local_region_context =
+                            (struct acpi_mem_space_context *)*region_context;
+
+                        /* Delete a cached mapping if present */
+
+                        if (local_region_context->mapped_length) {
+                                acpi_os_unmap_memory(local_region_context->
+                                                     mapped_logical_address,
+                                                     local_region_context->
+                                                     mapped_length);
+                        }
+                        ACPI_FREE(local_region_context);
+                        *region_context = NULL;
+                }
+                return_ACPI_STATUS(AE_OK);
+        }
+
+        /* Create a new context */
+
+        local_region_context =
+            ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_mem_space_context));
+        if (!(local_region_context)) {
+                return_ACPI_STATUS(AE_NO_MEMORY);
+        }
+
+        /* Save the region length and address for use in the handler */
+
+        local_region_context->length = region_desc->region.length;
+        local_region_context->address = region_desc->region.address;
+
+        *region_context = local_region_context;
+        return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ev_io_space_region_setup
+ *
+ * PARAMETERS:  Handle              - Region we are interested in
+ *              Function            - Start or stop
+ *              handler_context     - Address space handler context
+ *              region_context      - Region specific context
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Setup a IO operation region
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_io_space_region_setup(acpi_handle handle,
+                              u32 function,
+                              void *handler_context, void **region_context)
+{
+        ACPI_FUNCTION_TRACE(ev_io_space_region_setup);
+
+        if (function == ACPI_REGION_DEACTIVATE) {
+                *region_context = NULL;
+        } else {
+                *region_context = handler_context;
+        }
+
+        return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ev_pci_config_region_setup
+ *
+ * PARAMETERS:  Handle              - Region we are interested in
+ *              Function            - Start or stop
+ *              handler_context     - Address space handler context
+ *              region_context      - Region specific context
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Setup a PCI_Config operation region
+ *
+ * MUTEX:       Assumes namespace is not locked
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_pci_config_region_setup(acpi_handle handle,
+                                u32 function,
+                                void *handler_context, void **region_context)
+{
+        acpi_status status = AE_OK;
+        acpi_integer pci_value;
+        struct acpi_pci_id *pci_id = *region_context;
+        union acpi_operand_object *handler_obj;
+        struct acpi_namespace_node *parent_node;
+        struct acpi_namespace_node *pci_root_node;
+        struct acpi_namespace_node *pci_device_node;
+        union acpi_operand_object *region_obj =
+            (union acpi_operand_object *)handle;
+
+        ACPI_FUNCTION_TRACE(ev_pci_config_region_setup);
+
+        handler_obj = region_obj->region.handler;
+        if (!handler_obj) {
+                /*
+                 * No installed handler. This shouldn't happen because the dispatch
+                 * routine checks before we get here, but we check again just in case.
+                 */
+                ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
+                                  "Attempting to init a region %p, with no handler\n",
+                                  region_obj));
+                return_ACPI_STATUS(AE_NOT_EXIST);
+        }
+
+        *region_context = NULL;
+        if (function == ACPI_REGION_DEACTIVATE) {
+                if (pci_id) {
+                        ACPI_FREE(pci_id);
+                }
+                return_ACPI_STATUS(status);
+        }
+
+        parent_node = acpi_ns_get_parent_node(region_obj->region.node);
+
+        /*
+         * Get the _SEG and _BBN values from the device upon which the handler
+         * is installed.
+         *
+         * We need to get the _SEG and _BBN objects relative to the PCI BUS device.
+         * This is the device the handler has been registered to handle.
+         */
+
+        /*
+         * If the address_space.Node is still pointing to the root, we need
+         * to scan upward for a PCI Root bridge and re-associate the op_region
+         * handlers with that device.
+         */
+        if (handler_obj->address_space.node == acpi_gbl_root_node) {
+
+                /* Start search from the parent object */
+
+                pci_root_node = parent_node;
+                while (pci_root_node != acpi_gbl_root_node) {
+
+                        /* Get the _HID/_CID in order to detect a root_bridge */
+
+                        if (acpi_ev_is_pci_root_bridge(pci_root_node)) {
+
+                                /* Install a handler for this PCI root bridge */
+
+                                status =
+                                    acpi_install_address_space_handler((acpi_handle) pci_root_node, ACPI_ADR_SPACE_PCI_CONFIG, ACPI_DEFAULT_HANDLER, NULL, NULL);
+                                if (ACPI_FAILURE(status)) {
+                                        if (status == AE_SAME_HANDLER) {
+                                                /*
+                                                 * It is OK if the handler is already installed on the
+                                                 * root bridge. Still need to return a context object
+                                                 * for the new PCI_Config operation region, however.
+                                                 */
+                                                status = AE_OK;
+                                        } else {
+                                                ACPI_EXCEPTION((AE_INFO, status,
+                                                                "Could not install PciConfig handler for Root Bridge %4.4s",
+                                                                acpi_ut_get_node_name
+                                                                (pci_root_node)));
+                                        }
+                                }
+                                break;
+                        }
+
+                        pci_root_node = acpi_ns_get_parent_node(pci_root_node);
+                }
+
+                /* PCI root bridge not found, use namespace root node */
+        } else {
+                pci_root_node = handler_obj->address_space.node;
+        }
+
+        /*
+         * If this region is now initialized, we are done.
+         * (install_address_space_handler could have initialized it)
+         */
+        if (region_obj->region.flags & AOPOBJ_SETUP_COMPLETE) {
+                return_ACPI_STATUS(AE_OK);
+        }
+
+        /* Region is still not initialized. Create a new context */
+
+        pci_id = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_pci_id));
+        if (!pci_id) {
+                return_ACPI_STATUS(AE_NO_MEMORY);
+        }
+
+        /*
+         * For PCI_Config space access, we need the segment, bus, device and
+         * function numbers. Acquire them here.
+         *
+         * Find the parent device object. (This allows the operation region to be
+         * within a subscope under the device, such as a control method.)
+         */
+        pci_device_node = region_obj->region.node;
+        while (pci_device_node && (pci_device_node->type != ACPI_TYPE_DEVICE)) {
+                pci_device_node = acpi_ns_get_parent_node(pci_device_node);
+        }
+
+        if (!pci_device_node) {
+                ACPI_FREE(pci_id);
+                return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+        }
+
+        /*
+         * Get the PCI device and function numbers from the _ADR object contained
+         * in the parent's scope.
+         */
+        status =
+            acpi_ut_evaluate_numeric_object(METHOD_NAME__ADR, pci_device_node,
+                                            &pci_value);
+
+        /*
+         * The default is zero, and since the allocation above zeroed the data,
+         * just do nothing on failure.
+         */
+        if (ACPI_SUCCESS(status)) {
+                pci_id->device = ACPI_HIWORD(ACPI_LODWORD(pci_value));
+                pci_id->function = ACPI_LOWORD(ACPI_LODWORD(pci_value));
+        }
+
+        /* The PCI segment number comes from the _SEG method */
+
+        status =
+            acpi_ut_evaluate_numeric_object(METHOD_NAME__SEG, pci_root_node,
+                                            &pci_value);
+        if (ACPI_SUCCESS(status)) {
+                pci_id->segment = ACPI_LOWORD(pci_value);
+        }
+
+        /* The PCI bus number comes from the _BBN method */
+
+        status =
+            acpi_ut_evaluate_numeric_object(METHOD_NAME__BBN, pci_root_node,
+                                            &pci_value);
+        if (ACPI_SUCCESS(status)) {
+                pci_id->bus = ACPI_LOWORD(pci_value);
+        }
+
+        /* Complete this device's pci_id */
+
+        acpi_os_derive_pci_id(pci_root_node, region_obj->region.node, &pci_id);
+
+        *region_context = pci_id;
+        return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ev_match_pci_root_bridge
+ *
+ * PARAMETERS:  Id              - The HID/CID in string format
+ *
+ * RETURN:      TRUE if the Id is a match for a PCI/PCI-Express Root Bridge
+ *
+ * DESCRIPTION: Determine if the input ID is a PCI Root Bridge ID.
+ *
+ ******************************************************************************/
+
+static u8 acpi_ev_match_pci_root_bridge(char *id)
+{
+
+        /*
+         * Check if this is a PCI root.
+         * ACPI 3.0+: check for a PCI Express root also.
+         */
+        if (!(ACPI_STRNCMP(id,
+                           PCI_ROOT_HID_STRING,
+                           sizeof(PCI_ROOT_HID_STRING))) ||
+            !(ACPI_STRNCMP(id,
+                           PCI_EXPRESS_ROOT_HID_STRING,
+                           sizeof(PCI_EXPRESS_ROOT_HID_STRING)))) {
+                return (TRUE);
+        }
+
+        return (FALSE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ev_is_pci_root_bridge
+ *
+ * PARAMETERS:  Node            - Device node being examined
+ *
+ * RETURN:      TRUE if device is a PCI/PCI-Express Root Bridge
+ *
+ * DESCRIPTION: Determine if the input device represents a PCI Root Bridge by
+ *              examining the _HID and _CID for the device.
+ *
+ ******************************************************************************/
+
+static u8 acpi_ev_is_pci_root_bridge(struct acpi_namespace_node *node)
+{
+        acpi_status status;
+        struct acpica_device_id hid;
+        struct acpi_compatible_id_list *cid;
+        u32 i;
+
+        /* Get the _HID and check for a PCI Root Bridge */
+
+        status = acpi_ut_execute_HID(node, &hid);
+        if (ACPI_FAILURE(status)) {
+                return (FALSE);
+        }
+
+        if (acpi_ev_match_pci_root_bridge(hid.value)) {
+                return (TRUE);
+        }
+
+        /* The _HID did not match. Get the _CID and check for a PCI Root Bridge */
+
+        status = acpi_ut_execute_CID(node, &cid);
+        if (ACPI_FAILURE(status)) {
+                return (FALSE);
+        }
+
+        /* Check all _CIDs in the returned list */
+
+        for (i = 0; i < cid->count; i++) {
+                if (acpi_ev_match_pci_root_bridge(cid->id[i].value)) {
+                        ACPI_FREE(cid);
+                        return (TRUE);
+                }
+        }
+
+        ACPI_FREE(cid);
+        return (FALSE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ev_pci_bar_region_setup
+ *
+ * PARAMETERS:  Handle              - Region we are interested in
+ *              Function            - Start or stop
+ *              handler_context     - Address space handler context
+ *              region_context      - Region specific context
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Setup a pci_bAR operation region
+ *
+ * MUTEX:       Assumes namespace is not locked
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_pci_bar_region_setup(acpi_handle handle,
+                             u32 function,
+                             void *handler_context, void **region_context)
+{
+        ACPI_FUNCTION_TRACE(ev_pci_bar_region_setup);
+
+        return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ev_cmos_region_setup
+ *
+ * PARAMETERS:  Handle              - Region we are interested in
+ *              Function            - Start or stop
+ *              handler_context     - Address space handler context
+ *              region_context      - Region specific context
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Setup a CMOS operation region
+ *
+ * MUTEX:       Assumes namespace is not locked
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_cmos_region_setup(acpi_handle handle,
+                          u32 function,
+                          void *handler_context, void **region_context)
+{
+        ACPI_FUNCTION_TRACE(ev_cmos_region_setup);
+
+        return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ev_default_region_setup
+ *
+ * PARAMETERS:  Handle              - Region we are interested in
+ *              Function            - Start or stop
+ *              handler_context     - Address space handler context
+ *              region_context      - Region specific context
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Default region initialization
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_default_region_setup(acpi_handle handle,
+                             u32 function,
+                             void *handler_context, void **region_context)
+{
+        ACPI_FUNCTION_TRACE(ev_default_region_setup);
+
+        if (function == ACPI_REGION_DEACTIVATE) {
+                *region_context = NULL;
+        } else {
+                *region_context = handler_context;
+        }
+
+        return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ev_initialize_region
+ *
+ * PARAMETERS:  region_obj      - Region we are initializing
+ *              acpi_ns_locked  - Is namespace locked?
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Initializes the region, finds any _REG methods and saves them
+ *              for execution at a later time
+ *
+ *              Get the appropriate address space handler for a newly
+ *              created region.
+ *
+ *              This also performs address space specific initialization. For
+ *              example, PCI regions must have an _ADR object that contains
+ *              a PCI address in the scope of the definition. This address is
+ *              required to perform an access to PCI config space.
+ *
+ * MUTEX:       Interpreter should be unlocked, because we may run the _REG
+ *              method for this region.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_initialize_region(union acpi_operand_object *region_obj,
+                          u8 acpi_ns_locked)
+{
+        union acpi_operand_object *handler_obj;
+        union acpi_operand_object *obj_desc;
+        acpi_adr_space_type space_id;
+        struct acpi_namespace_node *node;
+        acpi_status status;
+        struct acpi_namespace_node *method_node;
+        acpi_name *reg_name_ptr = (acpi_name *) METHOD_NAME__REG;
+        union acpi_operand_object *region_obj2;
+
+        ACPI_FUNCTION_TRACE_U32(ev_initialize_region, acpi_ns_locked);
+
+        if (!region_obj) {
+                return_ACPI_STATUS(AE_BAD_PARAMETER);
+        }
+
+        if (region_obj->common.flags & AOPOBJ_OBJECT_INITIALIZED) {
+                return_ACPI_STATUS(AE_OK);
+        }
+
+        region_obj2 = acpi_ns_get_secondary_object(region_obj);
+        if (!region_obj2) {
+                return_ACPI_STATUS(AE_NOT_EXIST);
+        }
+
+        node = acpi_ns_get_parent_node(region_obj->region.node);
+        space_id = region_obj->region.space_id;
+
+        /* Setup defaults */
+
+        region_obj->region.handler = NULL;
+        region_obj2->extra.method_REG = NULL;
+        region_obj->common.flags &= ~(AOPOBJ_SETUP_COMPLETE);
+        region_obj->common.flags |= AOPOBJ_OBJECT_INITIALIZED;
+
+        /* Find any "_REG" method associated with this region definition */
+
+        status =
+            acpi_ns_search_one_scope(*reg_name_ptr, node, ACPI_TYPE_METHOD,
+                                     &method_node);
+        if (ACPI_SUCCESS(status)) {
+                /*
+                 * The _REG method is optional and there can be only one per region
+                 * definition. This will be executed when the handler is attached
+                 * or removed
+                 */
+                region_obj2->extra.method_REG = method_node;
+        }
+
+        /*
+         * The following loop depends upon the root Node having no parent
+         * ie: acpi_gbl_root_node->parent_entry being set to NULL
+         */
+        while (node) {
+
+                /* Check to see if a handler exists */
+
+                handler_obj = NULL;
+                obj_desc = acpi_ns_get_attached_object(node);
+                if (obj_desc) {
+
+                        /* Can only be a handler if the object exists */
+
+                        switch (node->type) {
+                        case ACPI_TYPE_DEVICE:
+
+                                handler_obj = obj_desc->device.handler;
+                                break;
+
+                        case ACPI_TYPE_PROCESSOR:
+
+                                handler_obj = obj_desc->processor.handler;
+                                break;
+
+                        case ACPI_TYPE_THERMAL:
+
+                                handler_obj = obj_desc->thermal_zone.handler;
+                                break;
+
+                        default:
+                                /* Ignore other objects */
+                                break;
+                        }
+
+                        while (handler_obj) {
+
+                                /* Is this handler of the correct type? */
+
+                                if (handler_obj->address_space.space_id ==
+                                    space_id) {
+
+                                        /* Found correct handler */
+
+                                        ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
+                                                          "Found handler %p for region %p in obj %p\n",
+                                                          handler_obj,
+                                                          region_obj,
+                                                          obj_desc));
+
+                                        status =
+                                            acpi_ev_attach_region(handler_obj,
+                                                                  region_obj,
+                                                                  acpi_ns_locked);
+
+                                        /*
+                                         * Tell all users that this region is usable by running the _REG
+                                         * method
+                                         */
+                                        if (acpi_ns_locked) {
+                                                status =
+                                                    acpi_ut_release_mutex
+                                                    (ACPI_MTX_NAMESPACE);
+                                                if (ACPI_FAILURE(status)) {
+                                                        return_ACPI_STATUS
+                                                            (status);
+                                                }
+                                        }
+
+                                        status =
+                                            acpi_ev_execute_reg_method
+                                            (region_obj, 1);
+
+                                        if (acpi_ns_locked) {
+                                                status =
+                                                    acpi_ut_acquire_mutex
+                                                    (ACPI_MTX_NAMESPACE);
+                                                if (ACPI_FAILURE(status)) {
+                                                        return_ACPI_STATUS
+                                                            (status);
+                                                }
+                                        }
+
+                                        return_ACPI_STATUS(AE_OK);
+                                }
+
+                                /* Try next handler in the list */
+
+                                handler_obj = handler_obj->address_space.next;
+                        }
+                }
+
+                /* This node does not have the handler we need; Pop up one level */
+
+                node = acpi_ns_get_parent_node(node);
+        }
+
+        /* If we get here, there is no handler for this region */
+
+        ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
+                          "No handler for RegionType %s(%X) (RegionObj %p)\n",
+                          acpi_ut_get_region_name(space_id), space_id,
+                          region_obj));
+
+        return_ACPI_STATUS(AE_NOT_EXIST);
+}