drivers/acpi/acpica/rsinfo.c

   1 /*******************************************************************************
   2  *
   3  * Module Name: rsinfo - Dispatch and Info tables
   4  *
   5  ******************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2017, 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 "accommon.h"
  46 #include "acresrc.h"
  47
  48 #define _COMPONENT          ACPI_RESOURCES
  49 ACPI_MODULE_NAME("rsinfo")
  50
  51 /*
  52  * Resource dispatch and information tables. Any new resource types (either
  53  * Large or Small) must be reflected in each of these tables, so they are here
  54  * in one place.
  55  *
  56  * The tables for Large descriptors are indexed by bits 6:0 of the AML
  57  * descriptor type byte. The tables for Small descriptors are indexed by
  58  * bits 6:3 of the descriptor byte. The tables for internal resource
  59  * descriptors are indexed by the acpi_resource_type field.
  60  */
  61 /* Dispatch table for resource-to-AML (Set Resource) conversion functions */
  62 struct acpi_rsconvert_info *acpi_gbl_set_resource_dispatch[] = {
  63         acpi_rs_set_irq,        /* 0x00, ACPI_RESOURCE_TYPE_IRQ */
  64         acpi_rs_convert_dma,    /* 0x01, ACPI_RESOURCE_TYPE_DMA */
  65         acpi_rs_set_start_dpf,  /* 0x02, ACPI_RESOURCE_TYPE_START_DEPENDENT */
  66         acpi_rs_convert_end_dpf,        /* 0x03, ACPI_RESOURCE_TYPE_END_DEPENDENT */
  67         acpi_rs_convert_io,     /* 0x04, ACPI_RESOURCE_TYPE_IO */
  68         acpi_rs_convert_fixed_io,       /* 0x05, ACPI_RESOURCE_TYPE_FIXED_IO */
  69         acpi_rs_set_vendor,     /* 0x06, ACPI_RESOURCE_TYPE_VENDOR */
  70         acpi_rs_convert_end_tag,        /* 0x07, ACPI_RESOURCE_TYPE_END_TAG */
  71         acpi_rs_convert_memory24,       /* 0x08, ACPI_RESOURCE_TYPE_MEMORY24 */
  72         acpi_rs_convert_memory32,       /* 0x09, ACPI_RESOURCE_TYPE_MEMORY32 */
  73         acpi_rs_convert_fixed_memory32, /* 0x0A, ACPI_RESOURCE_TYPE_FIXED_MEMORY32 */
  74         acpi_rs_convert_address16,      /* 0x0B, ACPI_RESOURCE_TYPE_ADDRESS16 */
  75         acpi_rs_convert_address32,      /* 0x0C, ACPI_RESOURCE_TYPE_ADDRESS32 */
  76         acpi_rs_convert_address64,      /* 0x0D, ACPI_RESOURCE_TYPE_ADDRESS64 */
  77         acpi_rs_convert_ext_address64,  /* 0x0E, ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 */
  78         acpi_rs_convert_ext_irq,        /* 0x0F, ACPI_RESOURCE_TYPE_EXTENDED_IRQ */
  79         acpi_rs_convert_generic_reg,    /* 0x10, ACPI_RESOURCE_TYPE_GENERIC_REGISTER */
  80         acpi_rs_convert_gpio,   /* 0x11, ACPI_RESOURCE_TYPE_GPIO */
  81         acpi_rs_convert_fixed_dma,      /* 0x12, ACPI_RESOURCE_TYPE_FIXED_DMA */
  82         NULL,                   /* 0x13, ACPI_RESOURCE_TYPE_SERIAL_BUS - Use subtype table below */
  83         acpi_rs_convert_pin_function,   /* 0x14, ACPI_RESOURCE_TYPE_PIN_FUNCTION */
  84         acpi_rs_convert_pin_config,     /* 0x15, ACPI_RESOURCE_TYPE_PIN_CONFIG */
  85         acpi_rs_convert_pin_group,      /* 0x16, ACPI_RESOURCE_TYPE_PIN_GROUP */
  86         acpi_rs_convert_pin_group_function,     /* 0x17, ACPI_RESOURCE_TYPE_PIN_GROUP_FUNCTION */
  87         acpi_rs_convert_pin_group_config,       /* 0x18, ACPI_RESOURCE_TYPE_PIN_GROUP_CONFIG */
  88 };
  89
  90 /* Dispatch tables for AML-to-resource (Get Resource) conversion functions */
  91
  92 struct acpi_rsconvert_info *acpi_gbl_get_resource_dispatch[] = {
  93         /* Small descriptors */
  94
  95         NULL,                   /* 0x00, Reserved */
  96         NULL,                   /* 0x01, Reserved */
  97         NULL,                   /* 0x02, Reserved */
  98         NULL,                   /* 0x03, Reserved */
  99         acpi_rs_get_irq,        /* 0x04, ACPI_RESOURCE_NAME_IRQ */
 100         acpi_rs_convert_dma,    /* 0x05, ACPI_RESOURCE_NAME_DMA */
 101         acpi_rs_get_start_dpf,  /* 0x06, ACPI_RESOURCE_NAME_START_DEPENDENT */
 102         acpi_rs_convert_end_dpf,        /* 0x07, ACPI_RESOURCE_NAME_END_DEPENDENT */
 103         acpi_rs_convert_io,     /* 0x08, ACPI_RESOURCE_NAME_IO */
 104         acpi_rs_convert_fixed_io,       /* 0x09, ACPI_RESOURCE_NAME_FIXED_IO */
 105         acpi_rs_convert_fixed_dma,      /* 0x0A, ACPI_RESOURCE_NAME_FIXED_DMA */
 106         NULL,                   /* 0x0B, Reserved */
 107         NULL,                   /* 0x0C, Reserved */
 108         NULL,                   /* 0x0D, Reserved */
 109         acpi_rs_get_vendor_small,       /* 0x0E, ACPI_RESOURCE_NAME_VENDOR_SMALL */
 110         acpi_rs_convert_end_tag,        /* 0x0F, ACPI_RESOURCE_NAME_END_TAG */
 111
 112         /* Large descriptors */
 113
 114         NULL,                   /* 0x00, Reserved */
 115         acpi_rs_convert_memory24,       /* 0x01, ACPI_RESOURCE_NAME_MEMORY24 */
 116         acpi_rs_convert_generic_reg,    /* 0x02, ACPI_RESOURCE_NAME_GENERIC_REGISTER */
 117         NULL,                   /* 0x03, Reserved */
 118         acpi_rs_get_vendor_large,       /* 0x04, ACPI_RESOURCE_NAME_VENDOR_LARGE */
 119         acpi_rs_convert_memory32,       /* 0x05, ACPI_RESOURCE_NAME_MEMORY32 */
 120         acpi_rs_convert_fixed_memory32, /* 0x06, ACPI_RESOURCE_NAME_FIXED_MEMORY32 */
 121         acpi_rs_convert_address32,      /* 0x07, ACPI_RESOURCE_NAME_ADDRESS32 */
 122         acpi_rs_convert_address16,      /* 0x08, ACPI_RESOURCE_NAME_ADDRESS16 */
 123         acpi_rs_convert_ext_irq,        /* 0x09, ACPI_RESOURCE_NAME_EXTENDED_IRQ */
 124         acpi_rs_convert_address64,      /* 0x0A, ACPI_RESOURCE_NAME_ADDRESS64 */
 125         acpi_rs_convert_ext_address64,  /* 0x0B, ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64 */
 126         acpi_rs_convert_gpio,   /* 0x0C, ACPI_RESOURCE_NAME_GPIO */
 127         acpi_rs_convert_pin_function,   /* 0x0D, ACPI_RESOURCE_NAME_PIN_FUNCTION */
 128         NULL,                   /* 0x0E, ACPI_RESOURCE_NAME_SERIAL_BUS - Use subtype table below */
 129         acpi_rs_convert_pin_config,     /* 0x0F, ACPI_RESOURCE_NAME_PIN_CONFIG */
 130         acpi_rs_convert_pin_group,      /* 0x10, ACPI_RESOURCE_NAME_PIN_GROUP */
 131         acpi_rs_convert_pin_group_function,     /* 0x11, ACPI_RESOURCE_NAME_PIN_GROUP_FUNCTION */
 132         acpi_rs_convert_pin_group_config,       /* 0x12, ACPI_RESOURCE_NAME_PIN_GROUP_CONFIG */
 133 };
 134
 135 /* Subtype table for serial_bus -- I2C, SPI, and UART */
 136
 137 struct acpi_rsconvert_info *acpi_gbl_convert_resource_serial_bus_dispatch[] = {
 138         NULL,
 139         acpi_rs_convert_i2c_serial_bus,
 140         acpi_rs_convert_spi_serial_bus,
 141         acpi_rs_convert_uart_serial_bus,
 142 };
 143
 144 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUGGER)
 145
 146 /* Dispatch table for resource dump functions */
 147
 148 struct acpi_rsdump_info *acpi_gbl_dump_resource_dispatch[] = {
 149         acpi_rs_dump_irq,       /* ACPI_RESOURCE_TYPE_IRQ */
 150         acpi_rs_dump_dma,       /* ACPI_RESOURCE_TYPE_DMA */
 151         acpi_rs_dump_start_dpf, /* ACPI_RESOURCE_TYPE_START_DEPENDENT */
 152         acpi_rs_dump_end_dpf,   /* ACPI_RESOURCE_TYPE_END_DEPENDENT */
 153         acpi_rs_dump_io,        /* ACPI_RESOURCE_TYPE_IO */
 154         acpi_rs_dump_fixed_io,  /* ACPI_RESOURCE_TYPE_FIXED_IO */
 155         acpi_rs_dump_vendor,    /* ACPI_RESOURCE_TYPE_VENDOR */
 156         acpi_rs_dump_end_tag,   /* ACPI_RESOURCE_TYPE_END_TAG */
 157         acpi_rs_dump_memory24,  /* ACPI_RESOURCE_TYPE_MEMORY24 */
 158         acpi_rs_dump_memory32,  /* ACPI_RESOURCE_TYPE_MEMORY32 */
 159         acpi_rs_dump_fixed_memory32,    /* ACPI_RESOURCE_TYPE_FIXED_MEMORY32 */
 160         acpi_rs_dump_address16, /* ACPI_RESOURCE_TYPE_ADDRESS16 */
 161         acpi_rs_dump_address32, /* ACPI_RESOURCE_TYPE_ADDRESS32 */
 162         acpi_rs_dump_address64, /* ACPI_RESOURCE_TYPE_ADDRESS64 */
 163         acpi_rs_dump_ext_address64,     /* ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 */
 164         acpi_rs_dump_ext_irq,   /* ACPI_RESOURCE_TYPE_EXTENDED_IRQ */
 165         acpi_rs_dump_generic_reg,       /* ACPI_RESOURCE_TYPE_GENERIC_REGISTER */
 166         acpi_rs_dump_gpio,      /* ACPI_RESOURCE_TYPE_GPIO */
 167         acpi_rs_dump_fixed_dma, /* ACPI_RESOURCE_TYPE_FIXED_DMA */
 168         NULL,                   /* ACPI_RESOURCE_TYPE_SERIAL_BUS */
 169         acpi_rs_dump_pin_function,      /* ACPI_RESOURCE_TYPE_PIN_FUNCTION */
 170         acpi_rs_dump_pin_config,        /* ACPI_RESOURCE_TYPE_PIN_CONFIG */
 171         acpi_rs_dump_pin_group, /* ACPI_RESOURCE_TYPE_PIN_GROUP */
 172         acpi_rs_dump_pin_group_function,        /* ACPI_RESOURCE_TYPE_PIN_GROUP_FUNCTION */
 173         acpi_rs_dump_pin_group_config,  /* ACPI_RESOURCE_TYPE_PIN_GROUP_CONFIG */
 174 };
 175
 176 struct acpi_rsdump_info *acpi_gbl_dump_serial_bus_dispatch[] = {
 177         NULL,
 178         acpi_rs_dump_i2c_serial_bus,    /* AML_RESOURCE_I2C_BUS_TYPE */
 179         acpi_rs_dump_spi_serial_bus,    /* AML_RESOURCE_SPI_BUS_TYPE */
 180         acpi_rs_dump_uart_serial_bus,   /* AML_RESOURCE_UART_BUS_TYPE */
 181 };
 182 #endif
 183
 184 /*
 185  * Base sizes for external AML resource descriptors, indexed by internal type.
 186  * Includes size of the descriptor header (1 byte for small descriptors,
 187  * 3 bytes for large descriptors)
 188  */
 189 const u8 acpi_gbl_aml_resource_sizes[] = {
 190         sizeof(struct aml_resource_irq),        /* ACPI_RESOURCE_TYPE_IRQ (optional Byte 3 always created) */
 191         sizeof(struct aml_resource_dma),        /* ACPI_RESOURCE_TYPE_DMA */
 192         sizeof(struct aml_resource_start_dependent),    /* ACPI_RESOURCE_TYPE_START_DEPENDENT (optional Byte 1 always created) */
 193         sizeof(struct aml_resource_end_dependent),      /* ACPI_RESOURCE_TYPE_END_DEPENDENT */
 194         sizeof(struct aml_resource_io), /* ACPI_RESOURCE_TYPE_IO */
 195         sizeof(struct aml_resource_fixed_io),   /* ACPI_RESOURCE_TYPE_FIXED_IO */
 196         sizeof(struct aml_resource_vendor_small),       /* ACPI_RESOURCE_TYPE_VENDOR */
 197         sizeof(struct aml_resource_end_tag),    /* ACPI_RESOURCE_TYPE_END_TAG */
 198         sizeof(struct aml_resource_memory24),   /* ACPI_RESOURCE_TYPE_MEMORY24 */
 199         sizeof(struct aml_resource_memory32),   /* ACPI_RESOURCE_TYPE_MEMORY32 */
 200         sizeof(struct aml_resource_fixed_memory32),     /* ACPI_RESOURCE_TYPE_FIXED_MEMORY32 */
 201         sizeof(struct aml_resource_address16),  /* ACPI_RESOURCE_TYPE_ADDRESS16 */
 202         sizeof(struct aml_resource_address32),  /* ACPI_RESOURCE_TYPE_ADDRESS32 */
 203         sizeof(struct aml_resource_address64),  /* ACPI_RESOURCE_TYPE_ADDRESS64 */
 204         sizeof(struct aml_resource_extended_address64), /*ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 */
 205         sizeof(struct aml_resource_extended_irq),       /* ACPI_RESOURCE_TYPE_EXTENDED_IRQ */
 206         sizeof(struct aml_resource_generic_register),   /* ACPI_RESOURCE_TYPE_GENERIC_REGISTER */
 207         sizeof(struct aml_resource_gpio),       /* ACPI_RESOURCE_TYPE_GPIO */
 208         sizeof(struct aml_resource_fixed_dma),  /* ACPI_RESOURCE_TYPE_FIXED_DMA */
 209         sizeof(struct aml_resource_common_serialbus),   /* ACPI_RESOURCE_TYPE_SERIAL_BUS */
 210         sizeof(struct aml_resource_pin_function),       /* ACPI_RESOURCE_TYPE_PIN_FUNCTION */
 211         sizeof(struct aml_resource_pin_config), /* ACPI_RESOURCE_TYPE_PIN_CONFIG */
 212         sizeof(struct aml_resource_pin_group),  /* ACPI_RESOURCE_TYPE_PIN_GROUP */
 213         sizeof(struct aml_resource_pin_group_function), /* ACPI_RESOURCE_TYPE_PIN_GROUP_FUNCTION */
 214         sizeof(struct aml_resource_pin_group_config),   /* ACPI_RESOURCE_TYPE_PIN_GROUP_CONFIG */
 215 };
 216
 217 const u8 acpi_gbl_resource_struct_sizes[] = {
 218         /* Small descriptors */
 219
 220         0,
 221         0,
 222         0,
 223         0,
 224         ACPI_RS_SIZE(struct acpi_resource_irq),
 225         ACPI_RS_SIZE(struct acpi_resource_dma),
 226         ACPI_RS_SIZE(struct acpi_resource_start_dependent),
 227         ACPI_RS_SIZE_MIN,
 228         ACPI_RS_SIZE(struct acpi_resource_io),
 229         ACPI_RS_SIZE(struct acpi_resource_fixed_io),
 230         ACPI_RS_SIZE(struct acpi_resource_fixed_dma),
 231         0,
 232         0,
 233         0,
 234         ACPI_RS_SIZE(struct acpi_resource_vendor),
 235         ACPI_RS_SIZE_MIN,
 236
 237         /* Large descriptors */
 238
 239         0,
 240         ACPI_RS_SIZE(struct acpi_resource_memory24),
 241         ACPI_RS_SIZE(struct acpi_resource_generic_register),
 242         0,
 243         ACPI_RS_SIZE(struct acpi_resource_vendor),
 244         ACPI_RS_SIZE(struct acpi_resource_memory32),
 245         ACPI_RS_SIZE(struct acpi_resource_fixed_memory32),
 246         ACPI_RS_SIZE(struct acpi_resource_address32),
 247         ACPI_RS_SIZE(struct acpi_resource_address16),
 248         ACPI_RS_SIZE(struct acpi_resource_extended_irq),
 249         ACPI_RS_SIZE(struct acpi_resource_address64),
 250         ACPI_RS_SIZE(struct acpi_resource_extended_address64),
 251         ACPI_RS_SIZE(struct acpi_resource_gpio),
 252         ACPI_RS_SIZE(struct acpi_resource_pin_function),
 253         ACPI_RS_SIZE(struct acpi_resource_common_serialbus),
 254         ACPI_RS_SIZE(struct acpi_resource_pin_config),
 255         ACPI_RS_SIZE(struct acpi_resource_pin_group),
 256         ACPI_RS_SIZE(struct acpi_resource_pin_group_function),
 257         ACPI_RS_SIZE(struct acpi_resource_pin_group_config),
 258 };
 259
 260 const u8 acpi_gbl_aml_resource_serial_bus_sizes[] = {
 261         0,
 262         sizeof(struct aml_resource_i2c_serialbus),
 263         sizeof(struct aml_resource_spi_serialbus),
 264         sizeof(struct aml_resource_uart_serialbus),
 265 };
 266
 267 const u8 acpi_gbl_resource_struct_serial_bus_sizes[] = {
 268         0,
 269         ACPI_RS_SIZE(struct acpi_resource_i2c_serialbus),
 270         ACPI_RS_SIZE(struct acpi_resource_spi_serialbus),
 271         ACPI_RS_SIZE(struct acpi_resource_uart_serialbus),
 272 };