drivers/bus/acpi/include/achware.h

   1 /******************************************************************************
   2  *
   3  * Name: achware.h -- hardware specific interfaces
   4  *       $Revision$
   5  *
   6  *****************************************************************************/
   7
   8 /*
   9  *  Copyright (C) 2000, 2001 R. Byron Moore
  10  *
  11  *  This program is free software; you can redistribute it and/or modify
  12  *  it under the terms of the GNU General Public License as published by
  13  *  the Free Software Foundation; either version 2 of the License, or
  14  *  (at your option) any later version.
  15  *
  16  *  This program is distributed in the hope that it will be useful,
  17  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  *  GNU General Public License for more details.
  20  *
  21  *  You should have received a copy of the GNU General Public License
  22  *  along with this program; if not, write to the Free Software
  23  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  24  */
  25
  26 #ifndef __ACHWARE_H__
  27 #define __ACHWARE_H__
  28
  29
  30 /* PM Timer ticks per second (HZ) */
  31 #define PM_TIMER_FREQUENCY  3579545
  32
  33
  34 /* Prototypes */
  35
  36
  37 ACPI_STATUS
  38 acpi_hw_initialize (
  39         void);
  40
  41 ACPI_STATUS
  42 acpi_hw_shutdown (
  43         void);
  44
  45 ACPI_STATUS
  46 acpi_hw_initialize_system_info (
  47         void);
  48
  49 ACPI_STATUS
  50 acpi_hw_set_mode (
  51         u32                     mode);
  52
  53 u32
  54 acpi_hw_get_mode (
  55         void);
  56
  57 u32
  58 acpi_hw_get_mode_capabilities (
  59         void);
  60
  61 /* Register I/O Prototypes */
  62
  63
  64 u32
  65 acpi_hw_register_bit_access (
  66         NATIVE_UINT             read_write,
  67         u8                      use_lock,
  68         u32                     register_id,
  69         ... /* DWORD Write Value */);
  70
  71 u32
  72 acpi_hw_register_read (
  73         u8                      use_lock,
  74         u32                     register_id);
  75
  76 void
  77 acpi_hw_register_write (
  78         u8                      use_lock,
  79         u32                     register_id,
  80         u32                     value);
  81
  82 u32
  83 acpi_hw_low_level_read (
  84         u32                     width,
  85         ACPI_GAS                *reg,
  86         u32                     offset);
  87
  88 void
  89 acpi_hw_low_level_write (
  90         u32                     width,
  91         u32                     value,
  92         ACPI_GAS                *reg,
  93         u32                     offset);
  94
  95 void
  96 acpi_hw_clear_acpi_status (
  97    void);
  98
  99 u32
 100 acpi_hw_get_bit_shift (
 101         u32                     mask);
 102
 103
 104 /* GPE support */
 105
 106 void
 107 acpi_hw_enable_gpe (
 108         u32                     gpe_index);
 109
 110 void
 111 acpi_hw_disable_gpe (
 112         u32                     gpe_index);
 113
 114 void
 115 acpi_hw_clear_gpe (
 116         u32                     gpe_index);
 117
 118 void
 119 acpi_hw_get_gpe_status (
 120         u32                     gpe_number,
 121         ACPI_EVENT_STATUS       *event_status);
 122
 123 /* Sleep Prototypes */
 124
 125 ACPI_STATUS
 126 acpi_hw_obtain_sleep_type_register_data (
 127         u8                      sleep_state,
 128         u8                      *slp_typ_a,
 129         u8                      *slp_typ_b);
 130
 131
 132 /* ACPI Timer prototypes */
 133
 134 ACPI_STATUS
 135 acpi_get_timer_resolution (
 136         u32                     *resolution);
 137
 138 ACPI_STATUS
 139 acpi_get_timer (
 140         u32                     *ticks);
 141
 142 ACPI_STATUS
 143 acpi_get_timer_duration (
 144         u32                     start_ticks,
 145         u32                     end_ticks,
 146         u32                     *time_elapsed);
 147
 148
 149 #endif /* __ACHWARE_H__ */