1 /****************************************************************************** 2 * 3 * Name: achware.h -- hardware specific interfaces 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2008, 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 */ 58 acpi_status acpi_hw_set_mode(u32 mode); 59 60 u32 acpi_hw_get_mode(void); 61 62 /* 63 * hwregs - ACPI Register I/O 64 */ 65 acpi_status 66 acpi_hw_validate_register(struct acpi_generic_address *reg, 67 u8 max_bit_width, u64 *address); 68 69 acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg); 70 71 acpi_status acpi_hw_write(u32 value, struct acpi_generic_address *reg); 72 73 struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id); 74 75 acpi_status acpi_hw_write_pm1_control(u32 pm1a_control, u32 pm1b_control); 76 77 acpi_status acpi_hw_register_read(u32 register_id, u32 *return_value); 78 79 acpi_status acpi_hw_register_write(u32 register_id, u32 value); 80 81 acpi_status acpi_hw_clear_acpi_status(void); 82 83 /* 84 * hwvalid - Port I/O with validation 85 */ 86 acpi_status acpi_hw_read_port(acpi_io_address address, u32 *value, u32 width); 87 88 acpi_status acpi_hw_write_port(acpi_io_address address, u32 value, u32 width); 89 90 /* 91 * hwgpe - GPE support 92 */ 93 acpi_status acpi_hw_low_disable_gpe(struct acpi_gpe_event_info *gpe_event_info); 94 95 acpi_status 96 acpi_hw_write_gpe_enable_reg(struct acpi_gpe_event_info *gpe_event_info); 97 98 acpi_status 99 acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, 100 struct acpi_gpe_block_info *gpe_block, void *context); 101 102 acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info *gpe_event_info); 103 104 acpi_status 105 acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, 106 struct acpi_gpe_block_info *gpe_block, void *context); 107 108 acpi_status 109 acpi_hw_get_gpe_status(struct acpi_gpe_event_info *gpe_event_info, 110 acpi_event_status * event_status); 111 112 acpi_status acpi_hw_disable_all_gpes(void); 113 114 acpi_status acpi_hw_enable_all_runtime_gpes(void); 115 116 acpi_status acpi_hw_enable_all_wakeup_gpes(void); 117 118 acpi_status 119 acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, 120 struct acpi_gpe_block_info *gpe_block, 121 void *context); 122 123 #ifdef ACPI_FUTURE_USAGE 124 /* 125 * hwtimer - ACPI Timer prototypes 126 */ 127 acpi_status acpi_get_timer_resolution(u32 * resolution); 128 129 acpi_status acpi_get_timer(u32 * ticks); 130 131 acpi_status 132 acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed); 133 #endif /* ACPI_FUTURE_USAGE */ 134 135 #endif /* __ACHWARE_H__ */ 136