1 files changed, 266 insertions, 0 deletions

diff --git a/drivers/acpi/utilities/utinit.c b/drivers/acpi/utilities/utinit.c
new file mode 100644
index 000000000000..bdbadaf48d29
--- /dev/null
+++ b/drivers/acpi/utilities/utinit.c
@@ -0,0 +1,266 @@
+/******************************************************************************
+ *
+ * Module Name: utinit - Common ACPI subsystem initialization
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2005, R. Byron Moore
+ * 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/acnamesp.h>
+#include <acpi/acevents.h>
+
+#define _COMPONENT          ACPI_UTILITIES
+         ACPI_MODULE_NAME    ("utinit")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_fadt_register_error
+ *
+ * PARAMETERS:  *register_name          - Pointer to string identifying register
+ *              Value                   - Actual register contents value
+ *              acpi_test_spec_section  - TDS section containing assertion
+ *              acpi_assertion          - Assertion number being tested
+ *
+ * RETURN:      AE_BAD_VALUE
+ *
+ * DESCRIPTION: Display failure message and link failure to TDS assertion
+ *
+ ******************************************************************************/
+
+static void
+acpi_ut_fadt_register_error (
+        char                            *register_name,
+        u32                             value,
+        acpi_size                       offset)
+{
+
+        ACPI_REPORT_WARNING (
+                ("Invalid FADT value %s=%X at offset %X FADT=%p\n",
+                register_name, value, (u32) offset, acpi_gbl_FADT));
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_validate_fadt
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Validate various ACPI registers in the FADT
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_validate_fadt (
+        void)
+{
+
+        /*
+         * Verify Fixed ACPI Description Table fields,
+         * but don't abort on any problems, just display error
+         */
+        if (acpi_gbl_FADT->pm1_evt_len < 4) {
+                acpi_ut_fadt_register_error ("PM1_EVT_LEN",
+                                  (u32) acpi_gbl_FADT->pm1_evt_len,
+                                  ACPI_FADT_OFFSET (pm1_evt_len));
+        }
+
+        if (!acpi_gbl_FADT->pm1_cnt_len) {
+                acpi_ut_fadt_register_error ("PM1_CNT_LEN", 0,
+                                  ACPI_FADT_OFFSET (pm1_cnt_len));
+        }
+
+        if (!acpi_gbl_FADT->xpm1a_evt_blk.address) {
+                acpi_ut_fadt_register_error ("X_PM1a_EVT_BLK", 0,
+                                  ACPI_FADT_OFFSET (xpm1a_evt_blk.address));
+        }
+
+        if (!acpi_gbl_FADT->xpm1a_cnt_blk.address) {
+                acpi_ut_fadt_register_error ("X_PM1a_CNT_BLK", 0,
+                                  ACPI_FADT_OFFSET (xpm1a_cnt_blk.address));
+        }
+
+        if (!acpi_gbl_FADT->xpm_tmr_blk.address) {
+                acpi_ut_fadt_register_error ("X_PM_TMR_BLK", 0,
+                                  ACPI_FADT_OFFSET (xpm_tmr_blk.address));
+        }
+
+        if ((acpi_gbl_FADT->xpm2_cnt_blk.address &&
+                !acpi_gbl_FADT->pm2_cnt_len)) {
+                acpi_ut_fadt_register_error ("PM2_CNT_LEN",
+                                  (u32) acpi_gbl_FADT->pm2_cnt_len,
+                                  ACPI_FADT_OFFSET (pm2_cnt_len));
+        }
+
+        if (acpi_gbl_FADT->pm_tm_len < 4) {
+                acpi_ut_fadt_register_error ("PM_TM_LEN",
+                                  (u32) acpi_gbl_FADT->pm_tm_len,
+                                  ACPI_FADT_OFFSET (pm_tm_len));
+        }
+
+        /* Length of GPE blocks must be a multiple of 2 */
+
+        if (acpi_gbl_FADT->xgpe0_blk.address &&
+                (acpi_gbl_FADT->gpe0_blk_len & 1)) {
+                acpi_ut_fadt_register_error ("(x)GPE0_BLK_LEN",
+                                  (u32) acpi_gbl_FADT->gpe0_blk_len,
+                                  ACPI_FADT_OFFSET (gpe0_blk_len));
+        }
+
+        if (acpi_gbl_FADT->xgpe1_blk.address &&
+                (acpi_gbl_FADT->gpe1_blk_len & 1)) {
+                acpi_ut_fadt_register_error ("(x)GPE1_BLK_LEN",
+                                  (u32) acpi_gbl_FADT->gpe1_blk_len,
+                                  ACPI_FADT_OFFSET (gpe1_blk_len));
+        }
+
+        return (AE_OK);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_terminate
+ *
+ * PARAMETERS:  none
+ *
+ * RETURN:      none
+ *
+ * DESCRIPTION: free global memory
+ *
+ ******************************************************************************/
+
+void
+acpi_ut_terminate (void)
+{
+        struct acpi_gpe_block_info      *gpe_block;
+        struct acpi_gpe_block_info      *next_gpe_block;
+        struct acpi_gpe_xrupt_info      *gpe_xrupt_info;
+        struct acpi_gpe_xrupt_info      *next_gpe_xrupt_info;
+
+
+        ACPI_FUNCTION_TRACE ("ut_terminate");
+
+
+        /* Free global tables, etc. */
+
+
+        /* Free global GPE blocks and related info structures */
+
+        gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
+        while (gpe_xrupt_info) {
+                gpe_block = gpe_xrupt_info->gpe_block_list_head;
+                while (gpe_block) {
+                        next_gpe_block = gpe_block->next;
+                        ACPI_MEM_FREE (gpe_block->event_info);
+                        ACPI_MEM_FREE (gpe_block->register_info);
+                        ACPI_MEM_FREE (gpe_block);
+
+                        gpe_block = next_gpe_block;
+                }
+                next_gpe_xrupt_info = gpe_xrupt_info->next;
+                ACPI_MEM_FREE (gpe_xrupt_info);
+                gpe_xrupt_info = next_gpe_xrupt_info;
+        }
+
+        return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_subsystem_shutdown
+ *
+ * PARAMETERS:  none
+ *
+ * RETURN:      none
+ *
+ * DESCRIPTION: Shutdown the various subsystems.  Don't delete the mutex
+ *              objects here -- because the AML debugger may be still running.
+ *
+ ******************************************************************************/
+
+void
+acpi_ut_subsystem_shutdown (void)
+{
+
+        ACPI_FUNCTION_TRACE ("ut_subsystem_shutdown");
+
+        /* Just exit if subsystem is already shutdown */
+
+        if (acpi_gbl_shutdown) {
+                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "ACPI Subsystem is already terminated\n"));
+                return_VOID;
+        }
+
+        /* Subsystem appears active, go ahead and shut it down */
+
+        acpi_gbl_shutdown = TRUE;
+        ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Shutting down ACPI Subsystem...\n"));
+
+        /* Close the acpi_event Handling */
+
+        acpi_ev_terminate ();
+
+        /* Close the Namespace */
+
+        acpi_ns_terminate ();
+
+        /* Close the globals */
+
+        acpi_ut_terminate ();
+
+        /* Purge the local caches */
+
+        (void) acpi_purge_cached_objects ();
+
+        /* Debug only - display leftover memory allocation, if any */
+
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+        acpi_ut_dump_allocations (ACPI_UINT32_MAX, NULL);
+#endif
+
+        return_VOID;
+}
+
+