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/******************************************************************************

 *

 * Module Name: tbgetall - Get all required ACPI tables

 *

 *****************************************************************************/

/*

 * Copyright (C) 2000 - 2004, 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/actables.h>

#define _COMPONENT          ACPI_TABLES

         ACPI_MODULE_NAME    ("tbgetall")

/*******************************************************************************

 *

 * FUNCTION:    acpi_tb_get_primary_table

 *

 * PARAMETERS:  Address             - Physical address of table to retrieve

 *              *table_info         - Where the table info is returned

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Maps the physical address of table into a logical address

 *

 ******************************************************************************/

acpi_status

acpi_tb_get_primary_table (

        struct acpi_pointer             *address,

        struct acpi_table_desc          *table_info)

{

        acpi_status                     status;

        struct acpi_table_header        header;

        ACPI_FUNCTION_TRACE ("tb_get_primary_table");

        /* Ignore a NULL address in the RSDT */

        if (!address->pointer.value) {

                return_ACPI_STATUS (AE_OK);

        }

        /*

         * Get the header in order to get signature and table size

         */

        status = acpi_tb_get_table_header (address, &header);

        if (ACPI_FAILURE (status)) {

                return_ACPI_STATUS (status);

        }

        /* Clear the table_info */

        ACPI_MEMSET (table_info, 0, sizeof (struct acpi_table_desc));

        /*

         * Check the table signature and make sure it is recognized.

         * Also checks the header checksum

         */

        table_info->pointer = &header;

        status = acpi_tb_recognize_table (table_info, ACPI_TABLE_PRIMARY);

        if (ACPI_FAILURE (status)) {

                return_ACPI_STATUS (status);

        }

        /* Get the entire table */

        status = acpi_tb_get_table_body (address, &header, table_info);

        if (ACPI_FAILURE (status)) {

                return_ACPI_STATUS (status);

        }

        /* Install the table */

        status = acpi_tb_install_table (table_info);

        return_ACPI_STATUS (status);

}

/*******************************************************************************

 *

 * FUNCTION:    acpi_tb_get_secondary_table

 *

 * PARAMETERS:  Address             - Physical address of table to retrieve

 *              *table_info         - Where the table info is returned

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Maps the physical address of table into a logical address

 *

 ******************************************************************************/

acpi_status

acpi_tb_get_secondary_table (

        struct acpi_pointer             *address,

        acpi_string                     signature,

        struct acpi_table_desc          *table_info)

{

        acpi_status                     status;

        struct acpi_table_header        header;

        ACPI_FUNCTION_TRACE_STR ("tb_get_secondary_table", signature);

        /* Get the header in order to match the signature */

        status = acpi_tb_get_table_header (address, &header);

        if (ACPI_FAILURE (status)) {

                return_ACPI_STATUS (status);

        }

        /* Signature must match request */

        if (ACPI_STRNCMP (header.signature, signature, ACPI_NAME_SIZE)) {

                ACPI_REPORT_ERROR (("Incorrect table signature - wanted [%s] found [%4.4s]\n",

                        signature, header.signature));

                return_ACPI_STATUS (AE_BAD_SIGNATURE);

        }

        /*

         * Check the table signature and make sure it is recognized.

         * Also checks the header checksum

         */

        table_info->pointer = &header;

        status = acpi_tb_recognize_table (table_info, ACPI_TABLE_SECONDARY);

        if (ACPI_FAILURE (status)) {

                return_ACPI_STATUS (status);

        }

        /* Get the entire table */

        status = acpi_tb_get_table_body (address, &header, table_info);

        if (ACPI_FAILURE (status)) {

                return_ACPI_STATUS (status);

        }

        /* Install the table */

        status = acpi_tb_install_table (table_info);

        return_ACPI_STATUS (status);

}

/*******************************************************************************

 *

 * FUNCTION:    acpi_tb_get_required_tables

 *

 * PARAMETERS:  None

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Load and validate tables other than the RSDT.  The RSDT must

 *              already be loaded and validated.

 *

 *              Get the minimum set of ACPI tables, namely:

 *

 *              1) FADT (via RSDT in loop below)

 *              2) FACS (via FADT)

 *              3) DSDT (via FADT)

 *

 ******************************************************************************/

acpi_status

acpi_tb_get_required_tables (

        void)

{

        acpi_status                     status = AE_OK;

        u32                             i;

        struct acpi_table_desc          table_info;

        struct acpi_pointer             address;

        ACPI_FUNCTION_TRACE ("tb_get_required_tables");

        ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "%d ACPI tables in RSDT\n",

                acpi_gbl_rsdt_table_count));

        address.pointer_type  = acpi_gbl_table_flags | ACPI_LOGICAL_ADDRESSING;

        /*

         * Loop through all table pointers found in RSDT.

         * This will NOT include the FACS and DSDT - we must get

         * them after the loop.

         *

         * The only tables we are interested in getting here is the FADT and

         * any SSDTs.

         */

        for (i = 0; i < acpi_gbl_rsdt_table_count; i++) {

                /* Get the table address from the common internal XSDT */

                address.pointer.value = acpi_gbl_XSDT->table_offset_entry[i];

                /*

                 * Get the tables needed by this subsystem (FADT and any SSDTs).

                 * NOTE: All other tables are completely ignored at this time.

                 */

                status = acpi_tb_get_primary_table (&address, &table_info);

                if ((status != AE_OK) && (status != AE_TABLE_NOT_SUPPORTED)) {

                        ACPI_REPORT_WARNING (("%s, while getting table at %8.8X%8.8X\n",

                                acpi_format_exception (status),

                                ACPI_FORMAT_UINT64 (address.pointer.value)));

                }

        }

        /* We must have a FADT to continue */

        if (!acpi_gbl_FADT) {

                ACPI_REPORT_ERROR (("No FADT present in RSDT/XSDT\n"));

                return_ACPI_STATUS (AE_NO_ACPI_TABLES);

        }

        /*

         * Convert the FADT to a common format.  This allows earlier revisions of the

         * table to coexist with newer versions, using common access code.

         */

        status = acpi_tb_convert_table_fadt ();

        if (ACPI_FAILURE (status)) {

                ACPI_REPORT_ERROR (("Could not convert FADT to internal common format\n"));

                return_ACPI_STATUS (status);

        }

        /*

         * Get the FACS (Pointed to by the FADT)

         */

        address.pointer.value = acpi_gbl_FADT->xfirmware_ctrl;

        status = acpi_tb_get_secondary_table (&address, FACS_SIG, &table_info);

        if (ACPI_FAILURE (status)) {

                ACPI_REPORT_ERROR (("Could not get/install the FACS, %s\n",

                        acpi_format_exception (status)));

                return_ACPI_STATUS (status);

        }

        /*

         * Create the common FACS pointer table

         * (Contains pointers to the original table)

         */

        status = acpi_tb_build_common_facs (&table_info);

        if (ACPI_FAILURE (status)) {

                return_ACPI_STATUS (status);

        }

        /*

         * Get/install the DSDT (Pointed to by the FADT)

         */

        address.pointer.value = acpi_gbl_FADT->Xdsdt;

        status = acpi_tb_get_secondary_table (&address, DSDT_SIG, &table_info);

        if (ACPI_FAILURE (status)) {

                ACPI_REPORT_ERROR (("Could not get/install the DSDT\n"));

                return_ACPI_STATUS (status);

        }

        /* Set Integer Width (32/64) based upon DSDT revision */

        acpi_ut_set_integer_width (acpi_gbl_DSDT->revision);

        /* Dump the entire DSDT */

        ACPI_DEBUG_PRINT ((ACPI_DB_TABLES,

                "Hex dump of entire DSDT, size %d (0x%X), Integer width = %d\n",

                acpi_gbl_DSDT->length, acpi_gbl_DSDT->length, acpi_gbl_integer_bit_width));

        ACPI_DUMP_BUFFER ((u8 *) acpi_gbl_DSDT, acpi_gbl_DSDT->length);

        /* Always delete the RSDP mapping, we are done with it */

        acpi_tb_delete_tables_by_type (ACPI_TABLE_RSDP);

        return_ACPI_STATUS (status);

}