drivers/acpi/acpica/acresrc.h

   1 /******************************************************************************
   2  *
   3  * Name: acresrc.h - Resource Manager function prototypes
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2010, 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 __ACRESRC_H__
  45 #define __ACRESRC_H__
  46
  47 /* Need the AML resource descriptor structs */
  48
  49 #include "amlresrc.h"
  50
  51 /*
  52  * If possible, pack the following structures to byte alignment, since we
  53  * don't care about performance for debug output. Two cases where we cannot
  54  * pack the structures:
  55  *
  56  * 1) Hardware does not support misaligned memory transfers
  57  * 2) Compiler does not support pointers within packed structures
  58  */
  59 #if (!defined(ACPI_MISALIGNMENT_NOT_SUPPORTED) && !defined(ACPI_PACKED_POINTERS_NOT_SUPPORTED))
  60 #pragma pack(1)
  61 #endif
  62
  63 /*
  64  * Individual entry for the resource conversion tables
  65  */
  66 typedef const struct acpi_rsconvert_info {
  67         u8 opcode;
  68         u8 resource_offset;
  69         u8 aml_offset;
  70         u8 value;
  71
  72 } acpi_rsconvert_info;
  73
  74 /* Resource conversion opcodes */
  75
  76 #define ACPI_RSC_INITGET                0
  77 #define ACPI_RSC_INITSET                1
  78 #define ACPI_RSC_FLAGINIT               2
  79 #define ACPI_RSC_1BITFLAG               3
  80 #define ACPI_RSC_2BITFLAG               4
  81 #define ACPI_RSC_COUNT                  5
  82 #define ACPI_RSC_COUNT16                6
  83 #define ACPI_RSC_LENGTH                 7
  84 #define ACPI_RSC_MOVE8                  8
  85 #define ACPI_RSC_MOVE16                 9
  86 #define ACPI_RSC_MOVE32                 10
  87 #define ACPI_RSC_MOVE64                 11
  88 #define ACPI_RSC_SET8                   12
  89 #define ACPI_RSC_DATA8                  13
  90 #define ACPI_RSC_ADDRESS                14
  91 #define ACPI_RSC_SOURCE                 15
  92 #define ACPI_RSC_SOURCEX                16
  93 #define ACPI_RSC_BITMASK                17
  94 #define ACPI_RSC_BITMASK16              18
  95 #define ACPI_RSC_EXIT_NE                19
  96 #define ACPI_RSC_EXIT_LE                20
  97 #define ACPI_RSC_EXIT_EQ                21
  98
  99 /* Resource Conversion sub-opcodes */
 100
 101 #define ACPI_RSC_COMPARE_AML_LENGTH     0
 102 #define ACPI_RSC_COMPARE_VALUE          1
 103
 104 #define ACPI_RSC_TABLE_SIZE(d)          (sizeof (d) / sizeof (struct acpi_rsconvert_info))
 105
 106 #define ACPI_RS_OFFSET(f)               (u8) ACPI_OFFSET (struct acpi_resource,f)
 107 #define AML_OFFSET(f)                   (u8) ACPI_OFFSET (union aml_resource,f)
 108
 109 typedef const struct acpi_rsdump_info {
 110         u8 opcode;
 111         u8 offset;
 112         char *name;
 113         const char **pointer;
 114
 115 } acpi_rsdump_info;
 116
 117 /* Values for the Opcode field above */
 118
 119 #define ACPI_RSD_TITLE                  0
 120 #define ACPI_RSD_LITERAL                1
 121 #define ACPI_RSD_STRING                 2
 122 #define ACPI_RSD_UINT8                  3
 123 #define ACPI_RSD_UINT16                 4
 124 #define ACPI_RSD_UINT32                 5
 125 #define ACPI_RSD_UINT64                 6
 126 #define ACPI_RSD_1BITFLAG               7
 127 #define ACPI_RSD_2BITFLAG               8
 128 #define ACPI_RSD_SHORTLIST              9
 129 #define ACPI_RSD_LONGLIST               10
 130 #define ACPI_RSD_DWORDLIST              11
 131 #define ACPI_RSD_ADDRESS                12
 132 #define ACPI_RSD_SOURCE                 13
 133
 134 /* restore default alignment */
 135
 136 #pragma pack()
 137
 138 /* Resource tables indexed by internal resource type */
 139
 140 extern const u8 acpi_gbl_aml_resource_sizes[];
 141 extern struct acpi_rsconvert_info *acpi_gbl_set_resource_dispatch[];
 142
 143 /* Resource tables indexed by raw AML resource descriptor type */
 144
 145 extern const u8 acpi_gbl_resource_struct_sizes[];
 146 extern struct acpi_rsconvert_info *acpi_gbl_get_resource_dispatch[];
 147
 148 struct acpi_vendor_walk_info {
 149         struct acpi_vendor_uuid *uuid;
 150         struct acpi_buffer *buffer;
 151         acpi_status status;
 152 };
 153
 154 /*
 155  * rscreate
 156  */
 157 acpi_status
 158 acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer,
 159                              struct acpi_buffer *output_buffer);
 160
 161 acpi_status
 162 acpi_rs_create_aml_resources(struct acpi_resource *linked_list_buffer,
 163                              struct acpi_buffer *output_buffer);
 164
 165 acpi_status
 166 acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
 167                                  struct acpi_buffer *output_buffer);
 168
 169 /*
 170  * rsutils
 171  */
 172
 173 acpi_status
 174 acpi_rs_get_prt_method_data(struct acpi_namespace_node *node,
 175                             struct acpi_buffer *ret_buffer);
 176
 177 acpi_status
 178 acpi_rs_get_crs_method_data(struct acpi_namespace_node *node,
 179                             struct acpi_buffer *ret_buffer);
 180
 181 acpi_status
 182 acpi_rs_get_prs_method_data(struct acpi_namespace_node *node,
 183                             struct acpi_buffer *ret_buffer);
 184
 185 acpi_status
 186 acpi_rs_get_method_data(acpi_handle handle,
 187                         char *path, struct acpi_buffer *ret_buffer);
 188
 189 acpi_status
 190 acpi_rs_set_srs_method_data(struct acpi_namespace_node *node,
 191                             struct acpi_buffer *ret_buffer);
 192
 193 /*
 194  * rscalc
 195  */
 196 acpi_status
 197 acpi_rs_get_list_length(u8 * aml_buffer,
 198                         u32 aml_buffer_length, acpi_size * size_needed);
 199
 200 acpi_status
 201 acpi_rs_get_aml_length(struct acpi_resource *linked_list_buffer,
 202                        acpi_size * size_needed);
 203
 204 acpi_status
 205 acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
 206                                      acpi_size * buffer_size_needed);
 207
 208 acpi_status
 209 acpi_rs_convert_aml_to_resources(u8 * aml,
 210                                  u32 length,
 211                                  u32 offset, u8 resource_index, void **context);
 212
 213 acpi_status
 214 acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
 215                                  acpi_size aml_size_needed, u8 * output_buffer);
 216
 217 /*
 218  * rsaddr
 219  */
 220 void
 221 acpi_rs_set_address_common(union aml_resource *aml,
 222                            struct acpi_resource *resource);
 223
 224 u8
 225 acpi_rs_get_address_common(struct acpi_resource *resource,
 226                            union aml_resource *aml);
 227
 228 /*
 229  * rsmisc
 230  */
 231 acpi_status
 232 acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
 233                                 union aml_resource *aml,
 234                                 struct acpi_rsconvert_info *info);
 235
 236 acpi_status
 237 acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
 238                                 union aml_resource *aml,
 239                                 struct acpi_rsconvert_info *info);
 240
 241 /*
 242  * rsutils
 243  */
 244 void
 245 acpi_rs_move_data(void *destination,
 246                   void *source, u16 item_count, u8 move_type);
 247
 248 u8 acpi_rs_decode_bitmask(u16 mask, u8 * list);
 249
 250 u16 acpi_rs_encode_bitmask(u8 * list, u8 count);
 251
 252 acpi_rs_length
 253 acpi_rs_get_resource_source(acpi_rs_length resource_length,
 254                             acpi_rs_length minimum_length,
 255                             struct acpi_resource_source *resource_source,
 256                             union aml_resource *aml, char *string_ptr);
 257
 258 acpi_rsdesc_size
 259 acpi_rs_set_resource_source(union aml_resource *aml,
 260                             acpi_rs_length minimum_length,
 261                             struct acpi_resource_source *resource_source);
 262
 263 void
 264 acpi_rs_set_resource_header(u8 descriptor_type,
 265                             acpi_rsdesc_size total_length,
 266                             union aml_resource *aml);
 267
 268 void
 269 acpi_rs_set_resource_length(acpi_rsdesc_size total_length,
 270                             union aml_resource *aml);
 271
 272 /*
 273  * rsdump
 274  */
 275 void acpi_rs_dump_resource_list(struct acpi_resource *resource);
 276
 277 void acpi_rs_dump_irq_list(u8 * route_table);
 278
 279 /*
 280  * Resource conversion tables
 281  */
 282 extern struct acpi_rsconvert_info acpi_rs_convert_dma[];
 283 extern struct acpi_rsconvert_info acpi_rs_convert_end_dpf[];
 284 extern struct acpi_rsconvert_info acpi_rs_convert_io[];
 285 extern struct acpi_rsconvert_info acpi_rs_convert_fixed_io[];
 286 extern struct acpi_rsconvert_info acpi_rs_convert_end_tag[];
 287 extern struct acpi_rsconvert_info acpi_rs_convert_memory24[];
 288 extern struct acpi_rsconvert_info acpi_rs_convert_generic_reg[];
 289 extern struct acpi_rsconvert_info acpi_rs_convert_memory32[];
 290 extern struct acpi_rsconvert_info acpi_rs_convert_fixed_memory32[];
 291 extern struct acpi_rsconvert_info acpi_rs_convert_address32[];
 292 extern struct acpi_rsconvert_info acpi_rs_convert_address16[];
 293 extern struct acpi_rsconvert_info acpi_rs_convert_ext_irq[];
 294 extern struct acpi_rsconvert_info acpi_rs_convert_address64[];
 295 extern struct acpi_rsconvert_info acpi_rs_convert_ext_address64[];
 296
 297 /* These resources require separate get/set tables */
 298
 299 extern struct acpi_rsconvert_info acpi_rs_get_irq[];
 300 extern struct acpi_rsconvert_info acpi_rs_get_start_dpf[];
 301 extern struct acpi_rsconvert_info acpi_rs_get_vendor_small[];
 302 extern struct acpi_rsconvert_info acpi_rs_get_vendor_large[];
 303
 304 extern struct acpi_rsconvert_info acpi_rs_set_irq[];
 305 extern struct acpi_rsconvert_info acpi_rs_set_start_dpf[];
 306 extern struct acpi_rsconvert_info acpi_rs_set_vendor[];
 307
 308 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
 309 /*
 310  * rsinfo
 311  */
 312 extern struct acpi_rsdump_info *acpi_gbl_dump_resource_dispatch[];
 313
 314 /*
 315  * rsdump
 316  */
 317 extern struct acpi_rsdump_info acpi_rs_dump_irq[];
 318 extern struct acpi_rsdump_info acpi_rs_dump_dma[];
 319 extern struct acpi_rsdump_info acpi_rs_dump_start_dpf[];
 320 extern struct acpi_rsdump_info acpi_rs_dump_end_dpf[];
 321 extern struct acpi_rsdump_info acpi_rs_dump_io[];
 322 extern struct acpi_rsdump_info acpi_rs_dump_fixed_io[];
 323 extern struct acpi_rsdump_info acpi_rs_dump_vendor[];
 324 extern struct acpi_rsdump_info acpi_rs_dump_end_tag[];
 325 extern struct acpi_rsdump_info acpi_rs_dump_memory24[];
 326 extern struct acpi_rsdump_info acpi_rs_dump_memory32[];
 327 extern struct acpi_rsdump_info acpi_rs_dump_fixed_memory32[];
 328 extern struct acpi_rsdump_info acpi_rs_dump_address16[];
 329 extern struct acpi_rsdump_info acpi_rs_dump_address32[];
 330 extern struct acpi_rsdump_info acpi_rs_dump_address64[];
 331 extern struct acpi_rsdump_info acpi_rs_dump_ext_address64[];
 332 extern struct acpi_rsdump_info acpi_rs_dump_ext_irq[];
 333 extern struct acpi_rsdump_info acpi_rs_dump_generic_reg[];
 334 #endif
 335
 336 #endif                          /* __ACRESRC_H__ */