1/****************************************************************************** 2 * 3 * Name: achware.h -- hardware specific interfaces 4 * 5 *****************************************************************************/ 6 7/* 8 * Copyright (C) 2000 - 2010, Intel Corp. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions, and the following disclaimer, 16 * without modification. 17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 * substantially similar to the "NO WARRANTY" disclaimer below 19 * ("Disclaimer") and any redistribution must be conditioned upon 20 * including a substantially similar Disclaimer requirement for further 21 * binary redistribution. 22 * 3. Neither the names of the above-listed copyright holders nor the names 23 * of any contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * Alternatively, this software may be distributed under the terms of the 27 * GNU General Public License ("GPL") version 2 as published by the Free 28 * Software Foundation. 29 * 30 * NO WARRANTY 31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 * POSSIBILITY OF SUCH DAMAGES. 42 */ 43 44#ifndef __ACHWARE_H__ 45#define __ACHWARE_H__ 46 47/* Values for the _SST predefined method */ 48 49#define ACPI_SST_INDICATOR_OFF 0 50#define ACPI_SST_WORKING 1 51#define ACPI_SST_WAKING 2 52#define ACPI_SST_SLEEPING 3 53#define ACPI_SST_SLEEP_CONTEXT 4 54 55/* 56 * hwacpi - high level functions 57 */ 58acpi_status acpi_hw_set_mode(u32 mode); 59 60u32 acpi_hw_get_mode(void); 61 62/* 63 * hwregs - ACPI Register I/O 64 */ 65acpi_status 66acpi_hw_validate_register(struct acpi_generic_address *reg, 67 u8 max_bit_width, u64 *address); 68 69acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg); 70 71acpi_status acpi_hw_write(u32 value, struct acpi_generic_address *reg); 72 73struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id); 74 75acpi_status acpi_hw_write_pm1_control(u32 pm1a_control, u32 pm1b_control); 76 77acpi_status acpi_hw_register_read(u32 register_id, u32 *return_value); 78 79acpi_status acpi_hw_register_write(u32 register_id, u32 value); 80 81acpi_status acpi_hw_clear_acpi_status(void); 82 83/* 84 * hwvalid - Port I/O with validation 85 */ 86acpi_status acpi_hw_read_port(acpi_io_address address, u32 *value, u32 width); 87 88acpi_status acpi_hw_write_port(acpi_io_address address, u32 value, u32 width); 89 90/* 91 * hwgpe - GPE support 92 */ 93u32 acpi_hw_get_gpe_register_bit(struct acpi_gpe_event_info *gpe_event_info, 94 struct acpi_gpe_register_info *gpe_register_info); 95 96acpi_status 97acpi_hw_low_set_gpe(struct acpi_gpe_event_info *gpe_event_info, u8 action); 98 99acpi_status 100acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, 101 struct acpi_gpe_block_info *gpe_block, void *context); 102 103acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info *gpe_event_info); 104 105acpi_status 106acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, 107 struct acpi_gpe_block_info *gpe_block, void *context); 108 109acpi_status 110acpi_hw_get_gpe_status(struct acpi_gpe_event_info *gpe_event_info, 111 acpi_event_status * event_status); 112 113acpi_status acpi_hw_disable_all_gpes(void); 114 115acpi_status acpi_hw_enable_all_runtime_gpes(void); 116 117acpi_status acpi_hw_enable_all_wakeup_gpes(void); 118 119acpi_status 120acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, 121 struct acpi_gpe_block_info *gpe_block, 122 void *context); 123 124#ifdef ACPI_FUTURE_USAGE 125/* 126 * hwtimer - ACPI Timer prototypes 127 */ 128acpi_status acpi_get_timer_resolution(u32 * resolution); 129 130acpi_status acpi_get_timer(u32 * ticks); 131 132acpi_status 133acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed); 134#endif /* ACPI_FUTURE_USAGE */ 135 136#endif /* __ACHWARE_H__ */ 137