drivers/acpi/acpica/acresrc.h

   1 /******************************************************************************
   2  *
   3  * Name: acresrc.h - Resource Manager function prototypes
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2015, 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 typedef enum {
  77         ACPI_RSC_INITGET = 0,
  78         ACPI_RSC_INITSET,
  79         ACPI_RSC_FLAGINIT,
  80         ACPI_RSC_1BITFLAG,
  81         ACPI_RSC_2BITFLAG,
  82         ACPI_RSC_3BITFLAG,
  83         ACPI_RSC_ADDRESS,
  84         ACPI_RSC_BITMASK,
  85         ACPI_RSC_BITMASK16,
  86         ACPI_RSC_COUNT,
  87         ACPI_RSC_COUNT16,
  88         ACPI_RSC_COUNT_GPIO_PIN,
  89         ACPI_RSC_COUNT_GPIO_RES,
  90         ACPI_RSC_COUNT_GPIO_VEN,
  91         ACPI_RSC_COUNT_SERIAL_RES,
  92         ACPI_RSC_COUNT_SERIAL_VEN,
  93         ACPI_RSC_DATA8,
  94         ACPI_RSC_EXIT_EQ,
  95         ACPI_RSC_EXIT_LE,
  96         ACPI_RSC_EXIT_NE,
  97         ACPI_RSC_LENGTH,
  98         ACPI_RSC_MOVE_GPIO_PIN,
  99         ACPI_RSC_MOVE_GPIO_RES,
 100         ACPI_RSC_MOVE_SERIAL_RES,
 101         ACPI_RSC_MOVE_SERIAL_VEN,
 102         ACPI_RSC_MOVE8,
 103         ACPI_RSC_MOVE16,
 104         ACPI_RSC_MOVE32,
 105         ACPI_RSC_MOVE64,
 106         ACPI_RSC_SET8,
 107         ACPI_RSC_SOURCE,
 108         ACPI_RSC_SOURCEX
 109 } ACPI_RSCONVERT_OPCODES;
 110
 111 /* Resource Conversion sub-opcodes */
 112
 113 #define ACPI_RSC_COMPARE_AML_LENGTH     0
 114 #define ACPI_RSC_COMPARE_VALUE          1
 115
 116 #define ACPI_RSC_TABLE_SIZE(d)          (sizeof (d) / sizeof (struct acpi_rsconvert_info))
 117
 118 #define ACPI_RS_OFFSET(f)               (u8) ACPI_OFFSET (struct acpi_resource,f)
 119 #define AML_OFFSET(f)                   (u8) ACPI_OFFSET (union aml_resource,f)
 120
 121 /*
 122  * Individual entry for the resource dump tables
 123  */
 124 typedef const struct acpi_rsdump_info {
 125         u8 opcode;
 126         u8 offset;
 127         char *name;
 128         const char **pointer;
 129
 130 } acpi_rsdump_info;
 131
 132 /* Values for the Opcode field above */
 133
 134 typedef enum {
 135         ACPI_RSD_TITLE = 0,
 136         ACPI_RSD_1BITFLAG,
 137         ACPI_RSD_2BITFLAG,
 138         ACPI_RSD_3BITFLAG,
 139         ACPI_RSD_ADDRESS,
 140         ACPI_RSD_DWORDLIST,
 141         ACPI_RSD_LITERAL,
 142         ACPI_RSD_LONGLIST,
 143         ACPI_RSD_SHORTLIST,
 144         ACPI_RSD_SHORTLISTX,
 145         ACPI_RSD_SOURCE,
 146         ACPI_RSD_STRING,
 147         ACPI_RSD_UINT8,
 148         ACPI_RSD_UINT16,
 149         ACPI_RSD_UINT32,
 150         ACPI_RSD_UINT64,
 151         ACPI_RSD_WORDLIST
 152 } ACPI_RSDUMP_OPCODES;
 153
 154 /* restore default alignment */
 155
 156 #pragma pack()
 157
 158 /* Resource tables indexed by internal resource type */
 159
 160 extern const u8 acpi_gbl_aml_resource_sizes[];
 161 extern const u8 acpi_gbl_aml_resource_serial_bus_sizes[];
 162 extern struct acpi_rsconvert_info *acpi_gbl_set_resource_dispatch[];
 163
 164 /* Resource tables indexed by raw AML resource descriptor type */
 165
 166 extern const u8 acpi_gbl_resource_struct_sizes[];
 167 extern const u8 acpi_gbl_resource_struct_serial_bus_sizes[];
 168 extern struct acpi_rsconvert_info *acpi_gbl_get_resource_dispatch[];
 169
 170 extern struct acpi_rsconvert_info
 171     *acpi_gbl_convert_resource_serial_bus_dispatch[];
 172
 173 struct acpi_vendor_walk_info {
 174         struct acpi_vendor_uuid *uuid;
 175         struct acpi_buffer *buffer;
 176         acpi_status status;
 177 };
 178
 179 /*
 180  * rscreate
 181  */
 182 acpi_status
 183 acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer,
 184                              struct acpi_buffer *output_buffer);
 185
 186 acpi_status
 187 acpi_rs_create_aml_resources(struct acpi_buffer *resource_list,
 188                              struct acpi_buffer *output_buffer);
 189
 190 acpi_status
 191 acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
 192                                  struct acpi_buffer *output_buffer);
 193
 194 /*
 195  * rsutils
 196  */
 197
 198 acpi_status
 199 acpi_rs_get_prt_method_data(struct acpi_namespace_node *node,
 200                             struct acpi_buffer *ret_buffer);
 201
 202 acpi_status
 203 acpi_rs_get_crs_method_data(struct acpi_namespace_node *node,
 204                             struct acpi_buffer *ret_buffer);
 205
 206 acpi_status
 207 acpi_rs_get_prs_method_data(struct acpi_namespace_node *node,
 208                             struct acpi_buffer *ret_buffer);
 209
 210 acpi_status
 211 acpi_rs_get_method_data(acpi_handle handle,
 212                         char *path, struct acpi_buffer *ret_buffer);
 213
 214 acpi_status
 215 acpi_rs_set_srs_method_data(struct acpi_namespace_node *node,
 216                             struct acpi_buffer *ret_buffer);
 217
 218 acpi_status
 219 acpi_rs_get_aei_method_data(struct acpi_namespace_node *node,
 220                             struct acpi_buffer *ret_buffer);
 221
 222 /*
 223  * rscalc
 224  */
 225 acpi_status
 226 acpi_rs_get_list_length(u8 * aml_buffer,
 227                         u32 aml_buffer_length, acpi_size * size_needed);
 228
 229 acpi_status
 230 acpi_rs_get_aml_length(struct acpi_resource *resource_list,
 231                        acpi_size resource_list_size, acpi_size * size_needed);
 232
 233 acpi_status
 234 acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
 235                                      acpi_size * buffer_size_needed);
 236
 237 acpi_status
 238 acpi_rs_convert_aml_to_resources(u8 * aml,
 239                                  u32 length,
 240                                  u32 offset, u8 resource_index, void **context);
 241
 242 acpi_status
 243 acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
 244                                  acpi_size aml_size_needed, u8 * output_buffer);
 245
 246 /*
 247  * rsaddr
 248  */
 249 void
 250 acpi_rs_set_address_common(union aml_resource *aml,
 251                            struct acpi_resource *resource);
 252
 253 u8
 254 acpi_rs_get_address_common(struct acpi_resource *resource,
 255                            union aml_resource *aml);
 256
 257 /*
 258  * rsmisc
 259  */
 260 acpi_status
 261 acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
 262                                 union aml_resource *aml,
 263                                 struct acpi_rsconvert_info *info);
 264
 265 acpi_status
 266 acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
 267                                 union aml_resource *aml,
 268                                 struct acpi_rsconvert_info *info);
 269
 270 /*
 271  * rsutils
 272  */
 273 void
 274 acpi_rs_move_data(void *destination,
 275                   void *source, u16 item_count, u8 move_type);
 276
 277 u8 acpi_rs_decode_bitmask(u16 mask, u8 * list);
 278
 279 u16 acpi_rs_encode_bitmask(u8 * list, u8 count);
 280
 281 acpi_rs_length
 282 acpi_rs_get_resource_source(acpi_rs_length resource_length,
 283                             acpi_rs_length minimum_length,
 284                             struct acpi_resource_source *resource_source,
 285                             union aml_resource *aml, char *string_ptr);
 286
 287 acpi_rsdesc_size
 288 acpi_rs_set_resource_source(union aml_resource *aml,
 289                             acpi_rs_length minimum_length,
 290                             struct acpi_resource_source *resource_source);
 291
 292 void
 293 acpi_rs_set_resource_header(u8 descriptor_type,
 294                             acpi_rsdesc_size total_length,
 295                             union aml_resource *aml);
 296
 297 void
 298 acpi_rs_set_resource_length(acpi_rsdesc_size total_length,
 299                             union aml_resource *aml);
 300
 301 /*
 302  * rsdump - Debugger support
 303  */
 304 #ifdef ACPI_DEBUGGER
 305 void acpi_rs_dump_resource_list(struct acpi_resource *resource);
 306
 307 void acpi_rs_dump_irq_list(u8 *route_table);
 308 #endif
 309
 310 /*
 311  * Resource conversion tables
 312  */
 313 extern struct acpi_rsconvert_info acpi_rs_convert_dma[];
 314 extern struct acpi_rsconvert_info acpi_rs_convert_end_dpf[];
 315 extern struct acpi_rsconvert_info acpi_rs_convert_io[];
 316 extern struct acpi_rsconvert_info acpi_rs_convert_fixed_io[];
 317 extern struct acpi_rsconvert_info acpi_rs_convert_end_tag[];
 318 extern struct acpi_rsconvert_info acpi_rs_convert_memory24[];
 319 extern struct acpi_rsconvert_info acpi_rs_convert_generic_reg[];
 320 extern struct acpi_rsconvert_info acpi_rs_convert_memory32[];
 321 extern struct acpi_rsconvert_info acpi_rs_convert_fixed_memory32[];
 322 extern struct acpi_rsconvert_info acpi_rs_convert_address32[];
 323 extern struct acpi_rsconvert_info acpi_rs_convert_address16[];
 324 extern struct acpi_rsconvert_info acpi_rs_convert_ext_irq[];
 325 extern struct acpi_rsconvert_info acpi_rs_convert_address64[];
 326 extern struct acpi_rsconvert_info acpi_rs_convert_ext_address64[];
 327 extern struct acpi_rsconvert_info acpi_rs_convert_gpio[];
 328 extern struct acpi_rsconvert_info acpi_rs_convert_fixed_dma[];
 329 extern struct acpi_rsconvert_info acpi_rs_convert_i2c_serial_bus[];
 330 extern struct acpi_rsconvert_info acpi_rs_convert_spi_serial_bus[];
 331 extern struct acpi_rsconvert_info acpi_rs_convert_uart_serial_bus[];
 332
 333 /* These resources require separate get/set tables */
 334
 335 extern struct acpi_rsconvert_info acpi_rs_get_irq[];
 336 extern struct acpi_rsconvert_info acpi_rs_get_start_dpf[];
 337 extern struct acpi_rsconvert_info acpi_rs_get_vendor_small[];
 338 extern struct acpi_rsconvert_info acpi_rs_get_vendor_large[];
 339
 340 extern struct acpi_rsconvert_info acpi_rs_set_irq[];
 341 extern struct acpi_rsconvert_info acpi_rs_set_start_dpf[];
 342 extern struct acpi_rsconvert_info acpi_rs_set_vendor[];
 343
 344 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
 345 /*
 346  * rsinfo
 347  */
 348 extern struct acpi_rsdump_info *acpi_gbl_dump_resource_dispatch[];
 349 extern struct acpi_rsdump_info *acpi_gbl_dump_serial_bus_dispatch[];
 350
 351 /*
 352  * rsdumpinfo
 353  */
 354 extern struct acpi_rsdump_info acpi_rs_dump_irq[];
 355 extern struct acpi_rsdump_info acpi_rs_dump_prt[];
 356 extern struct acpi_rsdump_info acpi_rs_dump_dma[];
 357 extern struct acpi_rsdump_info acpi_rs_dump_start_dpf[];
 358 extern struct acpi_rsdump_info acpi_rs_dump_end_dpf[];
 359 extern struct acpi_rsdump_info acpi_rs_dump_io[];
 360 extern struct acpi_rsdump_info acpi_rs_dump_io_flags[];
 361 extern struct acpi_rsdump_info acpi_rs_dump_fixed_io[];
 362 extern struct acpi_rsdump_info acpi_rs_dump_vendor[];
 363 extern struct acpi_rsdump_info acpi_rs_dump_end_tag[];
 364 extern struct acpi_rsdump_info acpi_rs_dump_memory24[];
 365 extern struct acpi_rsdump_info acpi_rs_dump_memory32[];
 366 extern struct acpi_rsdump_info acpi_rs_dump_memory_flags[];
 367 extern struct acpi_rsdump_info acpi_rs_dump_fixed_memory32[];
 368 extern struct acpi_rsdump_info acpi_rs_dump_address16[];
 369 extern struct acpi_rsdump_info acpi_rs_dump_address32[];
 370 extern struct acpi_rsdump_info acpi_rs_dump_address64[];
 371 extern struct acpi_rsdump_info acpi_rs_dump_ext_address64[];
 372 extern struct acpi_rsdump_info acpi_rs_dump_ext_irq[];
 373 extern struct acpi_rsdump_info acpi_rs_dump_generic_reg[];
 374 extern struct acpi_rsdump_info acpi_rs_dump_gpio[];
 375 extern struct acpi_rsdump_info acpi_rs_dump_fixed_dma[];
 376 extern struct acpi_rsdump_info acpi_rs_dump_common_serial_bus[];
 377 extern struct acpi_rsdump_info acpi_rs_dump_i2c_serial_bus[];
 378 extern struct acpi_rsdump_info acpi_rs_dump_spi_serial_bus[];
 379 extern struct acpi_rsdump_info acpi_rs_dump_uart_serial_bus[];
 380 extern struct acpi_rsdump_info acpi_rs_dump_general_flags[];
 381 #endif
 382
 383 #endif                          /* __ACRESRC_H__ */