include/acpi/amlresrc.h

   1
   2 /******************************************************************************
   3  *
   4  * Module Name: amlresrc.h - AML resource descriptors
   5  *
   6  *****************************************************************************/
   7
   8 /*
   9  * Copyright (C) 2000 - 2005, R. Byron Moore
  10  * All rights reserved.
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions
  14  * are met:
  15  * 1. Redistributions of source code must retain the above copyright
  16  *    notice, this list of conditions, and the following disclaimer,
  17  *    without modification.
  18  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  19  *    substantially similar to the "NO WARRANTY" disclaimer below
  20  *    ("Disclaimer") and any redistribution must be conditioned upon
  21  *    including a substantially similar Disclaimer requirement for further
  22  *    binary redistribution.
  23  * 3. Neither the names of the above-listed copyright holders nor the names
  24  *    of any contributors may be used to endorse or promote products derived
  25  *    from this software without specific prior written permission.
  26  *
  27  * Alternatively, this software may be distributed under the terms of the
  28  * GNU General Public License ("GPL") version 2 as published by the Free
  29  * Software Foundation.
  30  *
  31  * NO WARRANTY
  32  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  33  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  34  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  35  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  36  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  37  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  38  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  39  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  40  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  41  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  42  * POSSIBILITY OF SUCH DAMAGES.
  43  */
  44
  45 #ifndef __AMLRESRC_H
  46 #define __AMLRESRC_H
  47
  48 #define ASL_RESNAME_ADDRESS                     "_ADR"
  49 #define ASL_RESNAME_ALIGNMENT                   "_ALN"
  50 #define ASL_RESNAME_ADDRESSSPACE                "_ASI"
  51 #define ASL_RESNAME_ACCESSSIZE                  "_ASZ"
  52 #define ASL_RESNAME_TYPESPECIFICATTRIBUTES      "_ATT"
  53 #define ASL_RESNAME_BASEADDRESS                 "_BAS"
  54 #define ASL_RESNAME_BUSMASTER                   "_BM_"  /* Master(1), Slave(0) */
  55 #define ASL_RESNAME_DECODE                      "_DEC"
  56 #define ASL_RESNAME_DMA                         "_DMA"
  57 #define ASL_RESNAME_DMATYPE                     "_TYP"  /* Compatible(0), A(1), B(2), F(3) */
  58 #define ASL_RESNAME_GRANULARITY                 "_GRA"
  59 #define ASL_RESNAME_INTERRUPT                   "_INT"
  60 #define ASL_RESNAME_INTERRUPTLEVEL              "_LL_"  /* active_lo(1), active_hi(0) */
  61 #define ASL_RESNAME_INTERRUPTSHARE              "_SHR"  /* Shareable(1), no_share(0) */
  62 #define ASL_RESNAME_INTERRUPTTYPE               "_HE_"  /* Edge(1), Level(0) */
  63 #define ASL_RESNAME_LENGTH                      "_LEN"
  64 #define ASL_RESNAME_MEMATTRIBUTES               "_MTP"  /* Memory(0), Reserved(1), ACPI(2), NVS(3) */
  65 #define ASL_RESNAME_MEMTYPE                     "_MEM"  /* non_cache(0), Cacheable(1) Cache+combine(2), Cache+prefetch(3) */
  66 #define ASL_RESNAME_MAXADDR                     "_MAX"
  67 #define ASL_RESNAME_MINADDR                     "_MIN"
  68 #define ASL_RESNAME_MAXTYPE                     "_MAF"
  69 #define ASL_RESNAME_MINTYPE                     "_MIF"
  70 #define ASL_RESNAME_REGISTERBITOFFSET           "_RBO"
  71 #define ASL_RESNAME_REGISTERBITWIDTH            "_RBW"
  72 #define ASL_RESNAME_RANGETYPE                   "_RNG"
  73 #define ASL_RESNAME_READWRITETYPE               "_RW_"  /* read_only(0), Writeable (1) */
  74 #define ASL_RESNAME_TRANSLATION                 "_TRA"
  75 #define ASL_RESNAME_TRANSTYPE                   "_TRS"  /* Sparse(1), Dense(0) */
  76 #define ASL_RESNAME_TYPE                        "_TTP"  /* Translation(1), Static (0) */
  77 #define ASL_RESNAME_XFERTYPE                    "_SIz"  /* 8(0), 8_and16(1), 16(2) */
  78
  79 /* Default sizes for "small" resource descriptors */
  80
  81 #define ASL_RDESC_IRQ_SIZE                      0x02
  82 #define ASL_RDESC_DMA_SIZE                      0x02
  83 #define ASL_RDESC_ST_DEPEND_SIZE                0x00
  84 #define ASL_RDESC_END_DEPEND_SIZE               0x00
  85 #define ASL_RDESC_IO_SIZE                       0x07
  86 #define ASL_RDESC_FIXED_IO_SIZE                 0x03
  87 #define ASL_RDESC_END_TAG_SIZE                  0x01
  88
  89 struct asl_resource_node {
  90         u32 buffer_length;
  91         void *buffer;
  92         struct asl_resource_node *next;
  93 };
  94
  95 /*
  96  * Resource descriptors defined in the ACPI specification.
  97  *
  98  * Packing/alignment must be BYTE because these descriptors
  99  * are used to overlay the AML byte stream.
 100  */
 101 #pragma pack(1)
 102
 103 struct asl_irq_format_desc {
 104         u8 descriptor_type;
 105         u16 irq_mask;
 106         u8 flags;
 107 };
 108
 109 struct asl_irq_noflags_desc {
 110         u8 descriptor_type;
 111         u16 irq_mask;
 112 };
 113
 114 struct asl_dma_format_desc {
 115         u8 descriptor_type;
 116         u8 dma_channel_mask;
 117         u8 flags;
 118 };
 119
 120 struct asl_start_dependent_desc {
 121         u8 descriptor_type;
 122         u8 flags;
 123 };
 124
 125 struct asl_start_dependent_noprio_desc {
 126         u8 descriptor_type;
 127 };
 128
 129 struct asl_end_dependent_desc {
 130         u8 descriptor_type;
 131 };
 132
 133 struct asl_io_port_desc {
 134         u8 descriptor_type;
 135         u8 information;
 136         u16 address_min;
 137         u16 address_max;
 138         u8 alignment;
 139         u8 length;
 140 };
 141
 142 struct asl_fixed_io_port_desc {
 143         u8 descriptor_type;
 144         u16 base_address;
 145         u8 length;
 146 };
 147
 148 struct asl_small_vendor_desc {
 149         u8 descriptor_type;
 150         u8 vendor_defined[7];
 151 };
 152
 153 struct asl_end_tag_desc {
 154         u8 descriptor_type;
 155         u8 checksum;
 156 };
 157
 158 /* LARGE descriptors */
 159
 160 struct asl_memory_24_desc {
 161         u8 descriptor_type;
 162         u16 length;
 163         u8 information;
 164         u16 address_min;
 165         u16 address_max;
 166         u16 alignment;
 167         u16 range_length;
 168 };
 169
 170 struct asl_large_vendor_desc {
 171         u8 descriptor_type;
 172         u16 length;
 173         u8 vendor_defined[1];
 174 };
 175
 176 struct asl_memory_32_desc {
 177         u8 descriptor_type;
 178         u16 length;
 179         u8 information;
 180         u32 address_min;
 181         u32 address_max;
 182         u32 alignment;
 183         u32 range_length;
 184 };
 185
 186 struct asl_fixed_memory_32_desc {
 187         u8 descriptor_type;
 188         u16 length;
 189         u8 information;
 190         u32 base_address;
 191         u32 range_length;
 192 };
 193
 194 struct asl_extended_address_desc {
 195         u8 descriptor_type;
 196         u16 length;
 197         u8 resource_type;
 198         u8 flags;
 199         u8 specific_flags;
 200         u8 revision_iD;
 201         u8 reserved;
 202         u64 granularity;
 203         u64 address_min;
 204         u64 address_max;
 205         u64 translation_offset;
 206         u64 address_length;
 207         u64 type_specific_attributes;
 208         u8 optional_fields[2];  /* Used for length calculation only */
 209 };
 210
 211 #define ASL_EXTENDED_ADDRESS_DESC_REVISION          1   /* ACPI 3.0 */
 212
 213 struct asl_qword_address_desc {
 214         u8 descriptor_type;
 215         u16 length;
 216         u8 resource_type;
 217         u8 flags;
 218         u8 specific_flags;
 219         u64 granularity;
 220         u64 address_min;
 221         u64 address_max;
 222         u64 translation_offset;
 223         u64 address_length;
 224         u8 optional_fields[2];
 225 };
 226
 227 struct asl_dword_address_desc {
 228         u8 descriptor_type;
 229         u16 length;
 230         u8 resource_type;
 231         u8 flags;
 232         u8 specific_flags;
 233         u32 granularity;
 234         u32 address_min;
 235         u32 address_max;
 236         u32 translation_offset;
 237         u32 address_length;
 238         u8 optional_fields[2];
 239 };
 240
 241 struct asl_word_address_desc {
 242         u8 descriptor_type;
 243         u16 length;
 244         u8 resource_type;
 245         u8 flags;
 246         u8 specific_flags;
 247         u16 granularity;
 248         u16 address_min;
 249         u16 address_max;
 250         u16 translation_offset;
 251         u16 address_length;
 252         u8 optional_fields[2];
 253 };
 254
 255 struct asl_extended_xrupt_desc {
 256         u8 descriptor_type;
 257         u16 length;
 258         u8 flags;
 259         u8 table_length;
 260         u32 interrupt_number[1];
 261         /* res_source_index, res_source optional fields follow */
 262 };
 263
 264 struct asl_general_register_desc {
 265         u8 descriptor_type;
 266         u16 length;
 267         u8 address_space_id;
 268         u8 bit_width;
 269         u8 bit_offset;
 270         u8 access_size;         /* ACPI 3.0, was Reserved */
 271         u64 address;
 272 };
 273
 274 /* restore default alignment */
 275
 276 #pragma pack()
 277
 278 /* Union of all resource descriptors, so we can allocate the worst case */
 279
 280 union asl_resource_desc {
 281         struct asl_irq_format_desc irq;
 282         struct asl_dma_format_desc dma;
 283         struct asl_start_dependent_desc std;
 284         struct asl_end_dependent_desc end;
 285         struct asl_io_port_desc iop;
 286         struct asl_fixed_io_port_desc fio;
 287         struct asl_small_vendor_desc smv;
 288         struct asl_end_tag_desc et;
 289
 290         struct asl_memory_24_desc M24;
 291         struct asl_large_vendor_desc lgv;
 292         struct asl_memory_32_desc M32;
 293         struct asl_fixed_memory_32_desc F32;
 294         struct asl_qword_address_desc qas;
 295         struct asl_dword_address_desc das;
 296         struct asl_word_address_desc was;
 297         struct asl_extended_address_desc eas;
 298         struct asl_extended_xrupt_desc exx;
 299         struct asl_general_register_desc grg;
 300         u32 u32_item;
 301         u16 u16_item;
 302         u8 U8item;
 303 };
 304
 305 #endif