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/******************************************************************************
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 *
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 * Name: achware.h -- hardware specific interfaces
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 *
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 *****************************************************************************/
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/*
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 * Copyright (C) 2000 - 2003, R. Byron Moore
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions, and the following disclaimer,
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 *    without modification.
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 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
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 *    substantially similar to the "NO WARRANTY" disclaimer below
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 *    ("Disclaimer") and any redistribution must be conditioned upon
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 *    including a substantially similar Disclaimer requirement for further
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 *    binary redistribution.
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 * 3. Neither the names of the above-listed copyright holders nor the names
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 *    of any contributors may be used to endorse or promote products derived
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 *    from this software without specific prior written permission.
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 *
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 * Alternatively, this software may be distributed under the terms of the
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 * GNU General Public License ("GPL") version 2 as published by the Free
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 * Software Foundation.
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 *
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 * NO WARRANTY
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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 * POSSIBILITY OF SUCH DAMAGES.
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 */
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#ifndef __ACHWARE_H__
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#define __ACHWARE_H__
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/* PM Timer ticks per second (HZ) */
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#define PM_TIMER_FREQUENCY  3579545
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/* Prototypes */
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acpi_status
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acpi_hw_initialize (
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        void);
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acpi_status
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acpi_hw_shutdown (
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        void);
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acpi_status
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acpi_hw_initialize_system_info (
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        void);
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acpi_status
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acpi_hw_set_mode (
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        u32                             mode);
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u32
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acpi_hw_get_mode (
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        void);
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u32
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acpi_hw_get_mode_capabilities (
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        void);
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/* Register I/O Prototypes */
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struct acpi_bit_register_info *
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acpi_hw_get_bit_register_info (
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        u32                             register_id);
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acpi_status
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acpi_hw_register_read (
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        u8                              use_lock,
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        u32                             register_id,
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        u32                             *return_value);
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acpi_status
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acpi_hw_register_write (
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        u8                              use_lock,
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        u32                             register_id,
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        u32                             value);
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acpi_status
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acpi_hw_low_level_read (
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        u32                             width,
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        u32                             *value,
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        struct acpi_generic_address     *reg);
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acpi_status
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acpi_hw_low_level_write (
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        u32                             width,
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        u32                             value,
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        struct acpi_generic_address     *reg);
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acpi_status
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acpi_hw_clear_acpi_status (
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        u32                             flags);
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/* GPE support */
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acpi_status
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acpi_hw_enable_gpe (
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        struct acpi_gpe_event_info      *gpe_event_info);
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void
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acpi_hw_enable_gpe_for_wakeup (
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        struct acpi_gpe_event_info      *gpe_event_info);
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acpi_status
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acpi_hw_disable_gpe (
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        struct acpi_gpe_event_info      *gpe_event_info);
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acpi_status
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acpi_hw_disable_gpe_block (
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        struct acpi_gpe_xrupt_info      *gpe_xrupt_info,
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        struct acpi_gpe_block_info      *gpe_block);
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void
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acpi_hw_disable_gpe_for_wakeup (
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        struct acpi_gpe_event_info      *gpe_event_info);
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acpi_status
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acpi_hw_clear_gpe (
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        struct acpi_gpe_event_info      *gpe_event_info);
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acpi_status
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acpi_hw_clear_gpe_block (
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        struct acpi_gpe_xrupt_info      *gpe_xrupt_info,
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        struct acpi_gpe_block_info      *gpe_block);
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acpi_status
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acpi_hw_get_gpe_status (
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        struct acpi_gpe_event_info      *gpe_event_info,
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        acpi_event_status               *event_status);
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acpi_status
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acpi_hw_disable_non_wakeup_gpes (
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        void);
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acpi_status
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acpi_hw_enable_non_wakeup_gpes (
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        void);
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/* ACPI Timer prototypes */
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acpi_status
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acpi_get_timer_resolution (
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        u32                             *resolution);
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acpi_status
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acpi_get_timer (
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        u32                             *ticks);
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acpi_status
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acpi_get_timer_duration (
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        u32                             start_ticks,
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        u32                             end_ticks,
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        u32                             *time_elapsed);
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#endif /* __ACHWARE_H__ */