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134 lines
4.3 KiB
C
134 lines
4.3 KiB
C
/******************************************************************************
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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 - 2005, 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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/* Values for the _SST reserved method */
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#define ACPI_SST_INDICATOR_OFF 0
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#define ACPI_SST_WORKING 1
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#define ACPI_SST_WAKING 2
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#define ACPI_SST_SLEEPING 3
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#define ACPI_SST_SLEEP_CONTEXT 4
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/* Prototypes */
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/*
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* hwacpi - high level functions
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*/
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acpi_status acpi_hw_initialize(void);
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acpi_status acpi_hw_set_mode(u32 mode);
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u32 acpi_hw_get_mode(void);
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/*
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* hwregs - ACPI Register I/O
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*/
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struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id);
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acpi_status
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acpi_hw_register_read(u8 use_lock, u32 register_id, u32 * return_value);
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acpi_status acpi_hw_register_write(u8 use_lock, u32 register_id, u32 value);
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acpi_status
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acpi_hw_low_level_read(u32 width,
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u32 * value, struct acpi_generic_address *reg);
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acpi_status
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acpi_hw_low_level_write(u32 width, u32 value, struct acpi_generic_address *reg);
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acpi_status acpi_hw_clear_acpi_status(u32 flags);
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/*
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* hwgpe - GPE support
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*/
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acpi_status
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acpi_hw_write_gpe_enable_reg(struct acpi_gpe_event_info *gpe_event_info);
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acpi_status
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acpi_hw_disable_gpe_block(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 acpi_hw_clear_gpe(struct acpi_gpe_event_info *gpe_event_info);
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acpi_status
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acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
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struct acpi_gpe_block_info *gpe_block);
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#ifdef ACPI_FUTURE_USAGE
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acpi_status
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acpi_hw_get_gpe_status(struct acpi_gpe_event_info *gpe_event_info,
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acpi_event_status * event_status);
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#endif /* ACPI_FUTURE_USAGE */
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acpi_status acpi_hw_disable_all_gpes(void);
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acpi_status acpi_hw_enable_all_runtime_gpes(void);
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acpi_status acpi_hw_enable_all_wakeup_gpes(void);
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acpi_status
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acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
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struct acpi_gpe_block_info *gpe_block);
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#ifdef ACPI_FUTURE_USAGE
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/*
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* hwtimer - ACPI Timer prototypes
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*/
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acpi_status acpi_get_timer_resolution(u32 * resolution);
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acpi_status acpi_get_timer(u32 * ticks);
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acpi_status
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acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed);
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#endif /* ACPI_FUTURE_USAGE */
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#endif /* __ACHWARE_H__ */
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