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 struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id); 66 67 acpi_status 68 acpi_hw_register_read(u32 register_id, u32 * return_value); 69 70 acpi_status acpi_hw_register_write(u32 register_id, u32 value); 71 72 acpi_status acpi_hw_clear_acpi_status(void); 73 74 /* 75 * hwgpe - GPE support 76 */ 77 acpi_status acpi_hw_low_disable_gpe(struct acpi_gpe_event_info *gpe_event_info); 78 79 acpi_status 80 acpi_hw_write_gpe_enable_reg(struct acpi_gpe_event_info *gpe_event_info); 81 82 acpi_status 83 acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, 84 struct acpi_gpe_block_info *gpe_block, void *context); 85 86 acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info *gpe_event_info); 87 88 acpi_status 89 acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, 90 struct acpi_gpe_block_info *gpe_block, void *context); 91 92 acpi_status 93 acpi_hw_get_gpe_status(struct acpi_gpe_event_info *gpe_event_info, 94 acpi_event_status * event_status); 95 96 acpi_status acpi_hw_disable_all_gpes(void); 97 98 acpi_status acpi_hw_enable_all_runtime_gpes(void); 99 100 acpi_status acpi_hw_enable_all_wakeup_gpes(void); 101 102 acpi_status 103 acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, 104 struct acpi_gpe_block_info *gpe_block, 105 void *context); 106 107 #ifdef ACPI_FUTURE_USAGE 108 /* 109 * hwtimer - ACPI Timer prototypes 110 */ 111 acpi_status acpi_get_timer_resolution(u32 * resolution); 112 113 acpi_status acpi_get_timer(u32 * ticks); 114 115 acpi_status 116 acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed); 117 #endif /* ACPI_FUTURE_USAGE */ 118 119 #endif /* __ACHWARE_H__ */ 120