LXR linux/drivers/acpi/acpica/acresrc.h

   1/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
   2/******************************************************************************
   3 *
   4 * Name: acresrc.h - Resource Manager function prototypes
   5 *
   6 * Copyright (C) 2000 - 2019, Intel Corp.
   7 *
   8 *****************************************************************************/
   9
  10#ifndef __ACRESRC_H__
  11#define __ACRESRC_H__
  12
  13/* Need the AML resource descriptor structs */
  14
  15#include "amlresrc.h"
  16
  17/*
  18 * If possible, pack the following structures to byte alignment, since we
  19 * don't care about performance for debug output. Two cases where we cannot
  20 * pack the structures:
  21 *
  22 * 1) Hardware does not support misaligned memory transfers
  23 * 2) Compiler does not support pointers within packed structures
  24 */
  25#if (!defined(ACPI_MISALIGNMENT_NOT_SUPPORTED) && !defined(ACPI_PACKED_POINTERS_NOT_SUPPORTED))
  26#pragma pack(1)
  27#endif
  28
  29/*
  30 * Individual entry for the resource conversion tables
  31 */
  32typedef const struct acpi_rsconvert_info {
  33        u8 opcode;
  34        u8 resource_offset;
  35        u8 aml_offset;
  36        u8 value;
  37
  38} acpi_rsconvert_info;
  39
  40/* Resource conversion opcodes */
  41
  42typedef enum {
  43        ACPI_RSC_INITGET = 0,
  44        ACPI_RSC_INITSET,
  45        ACPI_RSC_FLAGINIT,
  46        ACPI_RSC_1BITFLAG,
  47        ACPI_RSC_2BITFLAG,
  48        ACPI_RSC_3BITFLAG,
  49        ACPI_RSC_ADDRESS,
  50        ACPI_RSC_BITMASK,
  51        ACPI_RSC_BITMASK16,
  52        ACPI_RSC_COUNT,
  53        ACPI_RSC_COUNT16,
  54        ACPI_RSC_COUNT_GPIO_PIN,
  55        ACPI_RSC_COUNT_GPIO_RES,
  56        ACPI_RSC_COUNT_GPIO_VEN,
  57        ACPI_RSC_COUNT_SERIAL_RES,
  58        ACPI_RSC_COUNT_SERIAL_VEN,
  59        ACPI_RSC_DATA8,
  60        ACPI_RSC_EXIT_EQ,
  61        ACPI_RSC_EXIT_LE,
  62        ACPI_RSC_EXIT_NE,
  63        ACPI_RSC_LENGTH,
  64        ACPI_RSC_MOVE_GPIO_PIN,
  65        ACPI_RSC_MOVE_GPIO_RES,
  66        ACPI_RSC_MOVE_SERIAL_RES,
  67        ACPI_RSC_MOVE_SERIAL_VEN,
  68        ACPI_RSC_MOVE8,
  69        ACPI_RSC_MOVE16,
  70        ACPI_RSC_MOVE32,
  71        ACPI_RSC_MOVE64,
  72        ACPI_RSC_SET8,
  73        ACPI_RSC_SOURCE,
  74        ACPI_RSC_SOURCEX
  75} ACPI_RSCONVERT_OPCODES;
  76
  77/* Resource Conversion sub-opcodes */
  78
  79#define ACPI_RSC_COMPARE_AML_LENGTH     0
  80#define ACPI_RSC_COMPARE_VALUE          1
  81
  82#define ACPI_RSC_TABLE_SIZE(d)          (sizeof (d) / sizeof (struct acpi_rsconvert_info))
  83
  84#define ACPI_RS_OFFSET(f)               (u8) ACPI_OFFSET (struct acpi_resource,f)
  85#define AML_OFFSET(f)                   (u8) ACPI_OFFSET (union aml_resource,f)
  86
  87/*
  88 * Individual entry for the resource dump tables
  89 */
  90typedef const struct acpi_rsdump_info {
  91        u8 opcode;
  92        u8 offset;
  93        const char *name;
  94        const char **pointer;
  95
  96} acpi_rsdump_info;
  97
  98/* Values for the Opcode field above */
  99
 100typedef enum {
 101        ACPI_RSD_TITLE = 0,
 102        ACPI_RSD_1BITFLAG,
 103        ACPI_RSD_2BITFLAG,
 104        ACPI_RSD_3BITFLAG,
 105        ACPI_RSD_ADDRESS,
 106        ACPI_RSD_DWORDLIST,
 107        ACPI_RSD_LITERAL,
 108        ACPI_RSD_LONGLIST,
 109        ACPI_RSD_SHORTLIST,
 110        ACPI_RSD_SHORTLISTX,
 111        ACPI_RSD_SOURCE,
 112        ACPI_RSD_STRING,
 113        ACPI_RSD_UINT8,
 114        ACPI_RSD_UINT16,
 115        ACPI_RSD_UINT32,
 116        ACPI_RSD_UINT64,
 117        ACPI_RSD_WORDLIST,
 118        ACPI_RSD_LABEL,
 119        ACPI_RSD_SOURCE_LABEL,
 120
 121} ACPI_RSDUMP_OPCODES;
 122
 123/* restore default alignment */
 124
 125#pragma pack()
 126
 127/* Resource tables indexed by internal resource type */
 128
 129extern const u8 acpi_gbl_aml_resource_sizes[];
 130extern const u8 acpi_gbl_aml_resource_serial_bus_sizes[];
 131extern struct acpi_rsconvert_info *acpi_gbl_set_resource_dispatch[];
 132
 133/* Resource tables indexed by raw AML resource descriptor type */
 134
 135extern const u8 acpi_gbl_resource_struct_sizes[];
 136extern const u8 acpi_gbl_resource_struct_serial_bus_sizes[];
 137extern struct acpi_rsconvert_info *acpi_gbl_get_resource_dispatch[];
 138
 139extern struct acpi_rsconvert_info
 140    *acpi_gbl_convert_resource_serial_bus_dispatch[];
 141
 142struct acpi_vendor_walk_info {
 143        struct acpi_vendor_uuid *uuid;
 144        struct acpi_buffer *buffer;
 145        acpi_status status;
 146};
 147
 148/*
 149 * rscreate
 150 */
 151acpi_status
 152acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer,
 153                             struct acpi_buffer *output_buffer);
 154
 155acpi_status
 156acpi_rs_create_aml_resources(struct acpi_buffer *resource_list,
 157                             struct acpi_buffer *output_buffer);
 158
 159acpi_status
 160acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
 161                                 struct acpi_buffer *output_buffer);
 162
 163/*
 164 * rsutils
 165 */
 166
 167acpi_status
 168acpi_rs_get_prt_method_data(struct acpi_namespace_node *node,
 169                            struct acpi_buffer *ret_buffer);
 170
 171acpi_status
 172acpi_rs_get_crs_method_data(struct acpi_namespace_node *node,
 173                            struct acpi_buffer *ret_buffer);
 174
 175acpi_status
 176acpi_rs_get_prs_method_data(struct acpi_namespace_node *node,
 177                            struct acpi_buffer *ret_buffer);
 178
 179acpi_status
 180acpi_rs_get_method_data(acpi_handle handle,
 181                        const char *path, struct acpi_buffer *ret_buffer);
 182
 183acpi_status
 184acpi_rs_set_srs_method_data(struct acpi_namespace_node *node,
 185                            struct acpi_buffer *ret_buffer);
 186
 187acpi_status
 188acpi_rs_get_aei_method_data(struct acpi_namespace_node *node,
 189                            struct acpi_buffer *ret_buffer);
 190
 191/*
 192 * rscalc
 193 */
 194acpi_status
 195acpi_rs_get_list_length(u8 *aml_buffer,
 196                        u32 aml_buffer_length, acpi_size *size_needed);
 197
 198acpi_status
 199acpi_rs_get_aml_length(struct acpi_resource *resource_list,
 200                       acpi_size resource_list_size, acpi_size *size_needed);
 201
 202acpi_status
 203acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
 204                                     acpi_size *buffer_size_needed);
 205
 206acpi_status
 207acpi_rs_convert_aml_to_resources(u8 * aml,
 208                                 u32 length,
 209                                 u32 offset, u8 resource_index, void **context);
 210
 211acpi_status
 212acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
 213                                 acpi_size aml_size_needed, u8 * output_buffer);
 214
 215/*
 216 * rsaddr
 217 */
 218void
 219acpi_rs_set_address_common(union aml_resource *aml,
 220                           struct acpi_resource *resource);
 221
 222u8
 223acpi_rs_get_address_common(struct acpi_resource *resource,
 224                           union aml_resource *aml);
 225
 226/*
 227 * rsmisc
 228 */
 229acpi_status
 230acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
 231                                union aml_resource *aml,
 232                                struct acpi_rsconvert_info *info);
 233
 234acpi_status
 235acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
 236                                union aml_resource *aml,
 237                                struct acpi_rsconvert_info *info);
 238
 239/*
 240 * rsutils
 241 */
 242void
 243acpi_rs_move_data(void *destination,
 244                  void *source, u16 item_count, u8 move_type);
 245
 246u8 acpi_rs_decode_bitmask(u16 mask, u8 * list);
 247
 248u16 acpi_rs_encode_bitmask(u8 * list, u8 count);
 249
 250acpi_rs_length
 251acpi_rs_get_resource_source(acpi_rs_length resource_length,
 252                            acpi_rs_length minimum_length,
 253                            struct acpi_resource_source *resource_source,
 254                            union aml_resource *aml, char *string_ptr);
 255
 256acpi_rsdesc_size
 257acpi_rs_set_resource_source(union aml_resource *aml,
 258                            acpi_rs_length minimum_length,
 259                            struct acpi_resource_source *resource_source);
 260
 261void
 262acpi_rs_set_resource_header(u8 descriptor_type,
 263                            acpi_rsdesc_size total_length,
 264                            union aml_resource *aml);
 265
 266void
 267acpi_rs_set_resource_length(acpi_rsdesc_size total_length,
 268                            union aml_resource *aml);
 269
 270/*
 271 * rsdump - Debugger support
 272 */
 273#ifdef ACPI_DEBUGGER
 274void acpi_rs_dump_resource_list(struct acpi_resource *resource);
 275
 276void acpi_rs_dump_irq_list(u8 *route_table);
 277#endif
 278
 279/*
 280 * Resource conversion tables
 281 */
 282extern struct acpi_rsconvert_info acpi_rs_convert_dma[];
 283extern struct acpi_rsconvert_info acpi_rs_convert_end_dpf[];
 284extern struct acpi_rsconvert_info acpi_rs_convert_io[];
 285extern struct acpi_rsconvert_info acpi_rs_convert_fixed_io[];
 286extern struct acpi_rsconvert_info acpi_rs_convert_end_tag[];
 287extern struct acpi_rsconvert_info acpi_rs_convert_memory24[];
 288extern struct acpi_rsconvert_info acpi_rs_convert_generic_reg[];
 289extern struct acpi_rsconvert_info acpi_rs_convert_memory32[];
 290extern struct acpi_rsconvert_info acpi_rs_convert_fixed_memory32[];
 291extern struct acpi_rsconvert_info acpi_rs_convert_address32[];
 292extern struct acpi_rsconvert_info acpi_rs_convert_address16[];
 293extern struct acpi_rsconvert_info acpi_rs_convert_ext_irq[];
 294extern struct acpi_rsconvert_info acpi_rs_convert_address64[];
 295extern struct acpi_rsconvert_info acpi_rs_convert_ext_address64[];
 296extern struct acpi_rsconvert_info acpi_rs_convert_gpio[];
 297extern struct acpi_rsconvert_info acpi_rs_convert_fixed_dma[];
 298extern struct acpi_rsconvert_info acpi_rs_convert_i2c_serial_bus[];
 299extern struct acpi_rsconvert_info acpi_rs_convert_spi_serial_bus[];
 300extern struct acpi_rsconvert_info acpi_rs_convert_uart_serial_bus[];
 301extern struct acpi_rsconvert_info acpi_rs_convert_pin_function[];
 302extern struct acpi_rsconvert_info acpi_rs_convert_pin_config[];
 303extern struct acpi_rsconvert_info acpi_rs_convert_pin_group[];
 304extern struct acpi_rsconvert_info acpi_rs_convert_pin_group_function[];
 305extern struct acpi_rsconvert_info acpi_rs_convert_pin_group_config[];
 306
 307/* These resources require separate get/set tables */
 308
 309extern struct acpi_rsconvert_info acpi_rs_get_irq[];
 310extern struct acpi_rsconvert_info acpi_rs_get_start_dpf[];
 311extern struct acpi_rsconvert_info acpi_rs_get_vendor_small[];
 312extern struct acpi_rsconvert_info acpi_rs_get_vendor_large[];
 313
 314extern struct acpi_rsconvert_info acpi_rs_set_irq[];
 315extern struct acpi_rsconvert_info acpi_rs_set_start_dpf[];
 316extern struct acpi_rsconvert_info acpi_rs_set_vendor[];
 317
 318#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
 319/*
 320 * rsinfo
 321 */
 322extern struct acpi_rsdump_info *acpi_gbl_dump_resource_dispatch[];
 323extern struct acpi_rsdump_info *acpi_gbl_dump_serial_bus_dispatch[];
 324
 325/*
 326 * rsdumpinfo
 327 */
 328extern struct acpi_rsdump_info acpi_rs_dump_irq[];
 329extern struct acpi_rsdump_info acpi_rs_dump_prt[];
 330extern struct acpi_rsdump_info acpi_rs_dump_dma[];
 331extern struct acpi_rsdump_info acpi_rs_dump_start_dpf[];
 332extern struct acpi_rsdump_info acpi_rs_dump_end_dpf[];
 333extern struct acpi_rsdump_info acpi_rs_dump_io[];
 334extern struct acpi_rsdump_info acpi_rs_dump_io_flags[];
 335extern struct acpi_rsdump_info acpi_rs_dump_fixed_io[];
 336extern struct acpi_rsdump_info acpi_rs_dump_vendor[];
 337extern struct acpi_rsdump_info acpi_rs_dump_end_tag[];
 338extern struct acpi_rsdump_info acpi_rs_dump_memory24[];
 339extern struct acpi_rsdump_info acpi_rs_dump_memory32[];
 340extern struct acpi_rsdump_info acpi_rs_dump_memory_flags[];
 341extern struct acpi_rsdump_info acpi_rs_dump_fixed_memory32[];
 342extern struct acpi_rsdump_info acpi_rs_dump_address16[];
 343extern struct acpi_rsdump_info acpi_rs_dump_address32[];
 344extern struct acpi_rsdump_info acpi_rs_dump_address64[];
 345extern struct acpi_rsdump_info acpi_rs_dump_ext_address64[];
 346extern struct acpi_rsdump_info acpi_rs_dump_ext_irq[];
 347extern struct acpi_rsdump_info acpi_rs_dump_generic_reg[];
 348extern struct acpi_rsdump_info acpi_rs_dump_gpio[];
 349extern struct acpi_rsdump_info acpi_rs_dump_pin_function[];
 350extern struct acpi_rsdump_info acpi_rs_dump_fixed_dma[];
 351extern struct acpi_rsdump_info acpi_rs_dump_common_serial_bus[];
 352extern struct acpi_rsdump_info acpi_rs_dump_i2c_serial_bus[];
 353extern struct acpi_rsdump_info acpi_rs_dump_spi_serial_bus[];
 354extern struct acpi_rsdump_info acpi_rs_dump_uart_serial_bus[];
 355extern struct acpi_rsdump_info acpi_rs_dump_general_flags[];
 356extern struct acpi_rsdump_info acpi_rs_dump_pin_config[];
 357extern struct acpi_rsdump_info acpi_rs_dump_pin_group[];
 358extern struct acpi_rsdump_info acpi_rs_dump_pin_group_function[];
 359extern struct acpi_rsdump_info acpi_rs_dump_pin_group_config[];
 360#endif
 361
 362#endif                          /* __ACRESRC_H__ */
 363