err.no Git - linux-2.6/blob - drivers/acpi/resources/rsinfo.c

   1 /*******************************************************************************
   2  *
   3  * Module Name: rsinfo - Dispatch and Info tables
   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 #include <acpi/acpi.h>
  45 #include <acpi/acresrc.h>
  46
  47 #define _COMPONENT          ACPI_RESOURCES
  48 ACPI_MODULE_NAME("rsinfo")
  49
  50 /*
  51  * Resource dispatch and information tables. Any new resource types (either
  52  * Large or Small) must be reflected in each of these tables, so they are here
  53  * in one place.
  54  *
  55  * The tables for Large descriptors are indexed by bits 6:0 of the AML
  56  * descriptor type byte. The tables for Small descriptors are indexed by
  57  * bits 6:3 of the descriptor byte. The tables for internal resource
  58  * descriptors are indexed by the acpi_resource_type field.
  59  */
  60 /* Dispatch table for resource-to-AML (Set Resource) conversion functions */
  61 struct acpi_rsconvert_info *acpi_gbl_set_resource_dispatch[] = {
  62         acpi_rs_set_irq,        /* 0x00, ACPI_RESOURCE_TYPE_IRQ */
  63         acpi_rs_convert_dma,    /* 0x01, ACPI_RESOURCE_TYPE_DMA */
  64         acpi_rs_set_start_dpf,  /* 0x02, ACPI_RESOURCE_TYPE_START_DEPENDENT */
  65         acpi_rs_convert_end_dpf,        /* 0x03, ACPI_RESOURCE_TYPE_END_DEPENDENT */
  66         acpi_rs_convert_io,     /* 0x04, ACPI_RESOURCE_TYPE_IO */
  67         acpi_rs_convert_fixed_io,       /* 0x05, ACPI_RESOURCE_TYPE_FIXED_IO */
  68         acpi_rs_set_vendor,     /* 0x06, ACPI_RESOURCE_TYPE_VENDOR */
  69         acpi_rs_convert_end_tag,        /* 0x07, ACPI_RESOURCE_TYPE_END_TAG */
  70         acpi_rs_convert_memory24,       /* 0x08, ACPI_RESOURCE_TYPE_MEMORY24 */
  71         acpi_rs_convert_memory32,       /* 0x09, ACPI_RESOURCE_TYPE_MEMORY32 */
  72         acpi_rs_convert_fixed_memory32, /* 0x0A, ACPI_RESOURCE_TYPE_FIXED_MEMORY32 */
  73         acpi_rs_convert_address16,      /* 0x0B, ACPI_RESOURCE_TYPE_ADDRESS16 */
  74         acpi_rs_convert_address32,      /* 0x0C, ACPI_RESOURCE_TYPE_ADDRESS32 */
  75         acpi_rs_convert_address64,      /* 0x0D, ACPI_RESOURCE_TYPE_ADDRESS64 */
  76         acpi_rs_convert_ext_address64,  /* 0x0E, ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 */
  77         acpi_rs_convert_ext_irq,        /* 0x0F, ACPI_RESOURCE_TYPE_EXTENDED_IRQ */
  78         acpi_rs_convert_generic_reg     /* 0x10, ACPI_RESOURCE_TYPE_GENERIC_REGISTER */
  79 };
  80
  81 /* Dispatch tables for AML-to-resource (Get Resource) conversion functions */
  82
  83 struct acpi_rsconvert_info *acpi_gbl_get_resource_dispatch[] = {
  84         /* Small descriptors */
  85
  86         NULL,                   /* 0x00, Reserved */
  87         NULL,                   /* 0x01, Reserved */
  88         NULL,                   /* 0x02, Reserved */
  89         NULL,                   /* 0x03, Reserved */
  90         acpi_rs_get_irq,        /* 0x04, ACPI_RESOURCE_NAME_IRQ */
  91         acpi_rs_convert_dma,    /* 0x05, ACPI_RESOURCE_NAME_DMA */
  92         acpi_rs_get_start_dpf,  /* 0x06, ACPI_RESOURCE_NAME_START_DEPENDENT */
  93         acpi_rs_convert_end_dpf,        /* 0x07, ACPI_RESOURCE_NAME_END_DEPENDENT */
  94         acpi_rs_convert_io,     /* 0x08, ACPI_RESOURCE_NAME_IO */
  95         acpi_rs_convert_fixed_io,       /* 0x09, ACPI_RESOURCE_NAME_FIXED_IO */
  96         NULL,                   /* 0x0A, Reserved */
  97         NULL,                   /* 0x0B, Reserved */
  98         NULL,                   /* 0x0C, Reserved */
  99         NULL,                   /* 0x0D, Reserved */
 100         acpi_rs_get_vendor_small,       /* 0x0E, ACPI_RESOURCE_NAME_VENDOR_SMALL */
 101         acpi_rs_convert_end_tag,        /* 0x0F, ACPI_RESOURCE_NAME_END_TAG */
 102
 103         /* Large descriptors */
 104
 105         NULL,                   /* 0x00, Reserved */
 106         acpi_rs_convert_memory24,       /* 0x01, ACPI_RESOURCE_NAME_MEMORY24 */
 107         acpi_rs_convert_generic_reg,    /* 0x02, ACPI_RESOURCE_NAME_GENERIC_REGISTER */
 108         NULL,                   /* 0x03, Reserved */
 109         acpi_rs_get_vendor_large,       /* 0x04, ACPI_RESOURCE_NAME_VENDOR_LARGE */
 110         acpi_rs_convert_memory32,       /* 0x05, ACPI_RESOURCE_NAME_MEMORY32 */
 111         acpi_rs_convert_fixed_memory32, /* 0x06, ACPI_RESOURCE_NAME_FIXED_MEMORY32 */
 112         acpi_rs_convert_address32,      /* 0x07, ACPI_RESOURCE_NAME_ADDRESS32 */
 113         acpi_rs_convert_address16,      /* 0x08, ACPI_RESOURCE_NAME_ADDRESS16 */
 114         acpi_rs_convert_ext_irq,        /* 0x09, ACPI_RESOURCE_NAME_EXTENDED_IRQ */
 115         acpi_rs_convert_address64,      /* 0x0A, ACPI_RESOURCE_NAME_ADDRESS64 */
 116         acpi_rs_convert_ext_address64   /* 0x0B, ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64 */
 117 };
 118
 119 #ifdef ACPI_FUTURE_USAGE
 120 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
 121
 122 /* Dispatch table for resource dump functions */
 123
 124 struct acpi_rsdump_info *acpi_gbl_dump_resource_dispatch[] = {
 125         acpi_rs_dump_irq,       /* ACPI_RESOURCE_TYPE_IRQ */
 126         acpi_rs_dump_dma,       /* ACPI_RESOURCE_TYPE_DMA */
 127         acpi_rs_dump_start_dpf, /* ACPI_RESOURCE_TYPE_START_DEPENDENT */
 128         acpi_rs_dump_end_dpf,   /* ACPI_RESOURCE_TYPE_END_DEPENDENT */
 129         acpi_rs_dump_io,        /* ACPI_RESOURCE_TYPE_IO */
 130         acpi_rs_dump_fixed_io,  /* ACPI_RESOURCE_TYPE_FIXED_IO */
 131         acpi_rs_dump_vendor,    /* ACPI_RESOURCE_TYPE_VENDOR */
 132         acpi_rs_dump_end_tag,   /* ACPI_RESOURCE_TYPE_END_TAG */
 133         acpi_rs_dump_memory24,  /* ACPI_RESOURCE_TYPE_MEMORY24 */
 134         acpi_rs_dump_memory32,  /* ACPI_RESOURCE_TYPE_MEMORY32 */
 135         acpi_rs_dump_fixed_memory32,    /* ACPI_RESOURCE_TYPE_FIXED_MEMORY32 */
 136         acpi_rs_dump_address16, /* ACPI_RESOURCE_TYPE_ADDRESS16 */
 137         acpi_rs_dump_address32, /* ACPI_RESOURCE_TYPE_ADDRESS32 */
 138         acpi_rs_dump_address64, /* ACPI_RESOURCE_TYPE_ADDRESS64 */
 139         acpi_rs_dump_ext_address64,     /* ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 */
 140         acpi_rs_dump_ext_irq,   /* ACPI_RESOURCE_TYPE_EXTENDED_IRQ */
 141         acpi_rs_dump_generic_reg,       /* ACPI_RESOURCE_TYPE_GENERIC_REGISTER */
 142 };
 143 #endif
 144
 145 #endif                          /* ACPI_FUTURE_USAGE */
 146 /*
 147  * Base sizes for external AML resource descriptors, indexed by internal type.
 148  * Includes size of the descriptor header (1 byte for small descriptors,
 149  * 3 bytes for large descriptors)
 150  */
 151 const u8 acpi_gbl_aml_resource_sizes[] = {
 152         sizeof(struct aml_resource_irq),        /* ACPI_RESOURCE_TYPE_IRQ (optional Byte 3 always created) */
 153         sizeof(struct aml_resource_dma),        /* ACPI_RESOURCE_TYPE_DMA */
 154         sizeof(struct aml_resource_start_dependent),    /* ACPI_RESOURCE_TYPE_START_DEPENDENT (optional Byte 1 always created) */
 155         sizeof(struct aml_resource_end_dependent),      /* ACPI_RESOURCE_TYPE_END_DEPENDENT */
 156         sizeof(struct aml_resource_io), /* ACPI_RESOURCE_TYPE_IO */
 157         sizeof(struct aml_resource_fixed_io),   /* ACPI_RESOURCE_TYPE_FIXED_IO */
 158         sizeof(struct aml_resource_vendor_small),       /* ACPI_RESOURCE_TYPE_VENDOR */
 159         sizeof(struct aml_resource_end_tag),    /* ACPI_RESOURCE_TYPE_END_TAG */
 160         sizeof(struct aml_resource_memory24),   /* ACPI_RESOURCE_TYPE_MEMORY24 */
 161         sizeof(struct aml_resource_memory32),   /* ACPI_RESOURCE_TYPE_MEMORY32 */
 162         sizeof(struct aml_resource_fixed_memory32),     /* ACPI_RESOURCE_TYPE_FIXED_MEMORY32 */
 163         sizeof(struct aml_resource_address16),  /* ACPI_RESOURCE_TYPE_ADDRESS16 */
 164         sizeof(struct aml_resource_address32),  /* ACPI_RESOURCE_TYPE_ADDRESS32 */
 165         sizeof(struct aml_resource_address64),  /* ACPI_RESOURCE_TYPE_ADDRESS64 */
 166         sizeof(struct aml_resource_extended_address64), /*ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 */
 167         sizeof(struct aml_resource_extended_irq),       /* ACPI_RESOURCE_TYPE_EXTENDED_IRQ */
 168         sizeof(struct aml_resource_generic_register)    /* ACPI_RESOURCE_TYPE_GENERIC_REGISTER */
 169 };
 170
 171 const u8 acpi_gbl_resource_struct_sizes[] = {
 172         /* Small descriptors */
 173
 174         0,
 175         0,
 176         0,
 177         0,
 178         ACPI_RS_SIZE(struct acpi_resource_irq),
 179         ACPI_RS_SIZE(struct acpi_resource_dma),
 180         ACPI_RS_SIZE(struct acpi_resource_start_dependent),
 181         ACPI_RS_SIZE_MIN,
 182         ACPI_RS_SIZE(struct acpi_resource_io),
 183         ACPI_RS_SIZE(struct acpi_resource_fixed_io),
 184         0,
 185         0,
 186         0,
 187         0,
 188         ACPI_RS_SIZE(struct acpi_resource_vendor),
 189         ACPI_RS_SIZE_MIN,
 190
 191         /* Large descriptors */
 192
 193         0,
 194         ACPI_RS_SIZE(struct acpi_resource_memory24),
 195         ACPI_RS_SIZE(struct acpi_resource_generic_register),
 196         0,
 197         ACPI_RS_SIZE(struct acpi_resource_vendor),
 198         ACPI_RS_SIZE(struct acpi_resource_memory32),
 199         ACPI_RS_SIZE(struct acpi_resource_fixed_memory32),
 200         ACPI_RS_SIZE(struct acpi_resource_address32),
 201         ACPI_RS_SIZE(struct acpi_resource_address16),
 202         ACPI_RS_SIZE(struct acpi_resource_extended_irq),
 203         ACPI_RS_SIZE(struct acpi_resource_address64),
 204         ACPI_RS_SIZE(struct acpi_resource_extended_address64)
 205 };