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/* * table.c - ACPI tables, chipset, and errata handling * * Copyright (C) 2000 Andrew Henroid * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/kernel.h> #include <linux/types.h> #include <linux/pci.h> #include <linux/pm.h> #include <linux/acpi.h> #include "acpi.h" #include "driver.h" #define _COMPONENT OS_DEPENDENT MODULE_NAME ("table") FADT_DESCRIPTOR acpi_fadt; /* * Fetch the fadt information */ static int acpi_fetch_fadt(void) { ACPI_BUFFER buffer; memset(&acpi_fadt, 0, sizeof(acpi_fadt)); buffer.pointer = &acpi_fadt; buffer.length = sizeof(acpi_fadt); if (!ACPI_SUCCESS(acpi_get_table(ACPI_TABLE_FADT, 1, &buffer))) { printk(KERN_ERR "ACPI: missing fadt\n"); return -ENODEV; } return 0; } /* * Find and load ACPI tables */ int acpi_find_and_load_tables(u64 rsdp) { if (!ACPI_SUCCESS(acpi_load_tables(rsdp))) { printk(KERN_INFO "ACPI: System description table load failed\n"); acpi_terminate(); return -1; } if (acpi_fetch_fadt()) { acpi_terminate(); return -1; } return 0; } |