kernel/drivers/acpi/acpica/rsserial.c

   1 /*******************************************************************************
   2  *
   3  * Module Name: rsserial - GPIO/serial_bus resource descriptors
   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 #include <acpi/acpi.h>
  45 #include "accommon.h"
  46 #include "acresrc.h"
  47
  48 #define _COMPONENT          ACPI_RESOURCES
  49 ACPI_MODULE_NAME("rsserial")
  50
  51 /*******************************************************************************
  52  *
  53  * acpi_rs_convert_gpio
  54  *
  55  ******************************************************************************/
  56 struct acpi_rsconvert_info acpi_rs_convert_gpio[18] = {
  57         {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_GPIO,
  58          ACPI_RS_SIZE(struct acpi_resource_gpio),
  59          ACPI_RSC_TABLE_SIZE(acpi_rs_convert_gpio)},
  60
  61         {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_GPIO,
  62          sizeof(struct aml_resource_gpio),
  63          0},
  64
  65         /*
  66          * These fields are contiguous in both the source and destination:
  67          * revision_id
  68          * connection_type
  69          */
  70         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.gpio.revision_id),
  71          AML_OFFSET(gpio.revision_id),
  72          2},
  73
  74         {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.gpio.producer_consumer),
  75          AML_OFFSET(gpio.flags),
  76          0},
  77
  78         {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.gpio.sharable),
  79          AML_OFFSET(gpio.int_flags),
  80          3},
  81
  82         {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.gpio.wake_capable),
  83          AML_OFFSET(gpio.int_flags),
  84          4},
  85
  86         {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.gpio.io_restriction),
  87          AML_OFFSET(gpio.int_flags),
  88          0},
  89
  90         {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.gpio.triggering),
  91          AML_OFFSET(gpio.int_flags),
  92          0},
  93
  94         {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.gpio.polarity),
  95          AML_OFFSET(gpio.int_flags),
  96          1},
  97
  98         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.gpio.pin_config),
  99          AML_OFFSET(gpio.pin_config),
 100          1},
 101
 102         /*
 103          * These fields are contiguous in both the source and destination:
 104          * drive_strength
 105          * debounce_timeout
 106          */
 107         {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.gpio.drive_strength),
 108          AML_OFFSET(gpio.drive_strength),
 109          2},
 110
 111         /* Pin Table */
 112
 113         {ACPI_RSC_COUNT_GPIO_PIN, ACPI_RS_OFFSET(data.gpio.pin_table_length),
 114          AML_OFFSET(gpio.pin_table_offset),
 115          AML_OFFSET(gpio.res_source_offset)},
 116
 117         {ACPI_RSC_MOVE_GPIO_PIN, ACPI_RS_OFFSET(data.gpio.pin_table),
 118          AML_OFFSET(gpio.pin_table_offset),
 119          0},
 120
 121         /* Resource Source */
 122
 123         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.gpio.resource_source.index),
 124          AML_OFFSET(gpio.res_source_index),
 125          1},
 126
 127         {ACPI_RSC_COUNT_GPIO_RES,
 128          ACPI_RS_OFFSET(data.gpio.resource_source.string_length),
 129          AML_OFFSET(gpio.res_source_offset),
 130          AML_OFFSET(gpio.vendor_offset)},
 131
 132         {ACPI_RSC_MOVE_GPIO_RES,
 133          ACPI_RS_OFFSET(data.gpio.resource_source.string_ptr),
 134          AML_OFFSET(gpio.res_source_offset),
 135          0},
 136
 137         /* Vendor Data */
 138
 139         {ACPI_RSC_COUNT_GPIO_VEN, ACPI_RS_OFFSET(data.gpio.vendor_length),
 140          AML_OFFSET(gpio.vendor_length),
 141          1},
 142
 143         {ACPI_RSC_MOVE_GPIO_RES, ACPI_RS_OFFSET(data.gpio.vendor_data),
 144          AML_OFFSET(gpio.vendor_offset),
 145          0},
 146 };
 147
 148 /*******************************************************************************
 149  *
 150  * acpi_rs_convert_i2c_serial_bus
 151  *
 152  ******************************************************************************/
 153
 154 struct acpi_rsconvert_info acpi_rs_convert_i2c_serial_bus[16] = {
 155         {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS,
 156          ACPI_RS_SIZE(struct acpi_resource_i2c_serialbus),
 157          ACPI_RSC_TABLE_SIZE(acpi_rs_convert_i2c_serial_bus)},
 158
 159         {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_SERIAL_BUS,
 160          sizeof(struct aml_resource_i2c_serialbus),
 161          0},
 162
 163         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.revision_id),
 164          AML_OFFSET(common_serial_bus.revision_id),
 165          1},
 166
 167         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.type),
 168          AML_OFFSET(common_serial_bus.type),
 169          1},
 170
 171         {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.common_serial_bus.slave_mode),
 172          AML_OFFSET(common_serial_bus.flags),
 173          0},
 174
 175         {ACPI_RSC_1BITFLAG,
 176          ACPI_RS_OFFSET(data.common_serial_bus.producer_consumer),
 177          AML_OFFSET(common_serial_bus.flags),
 178          1},
 179
 180         {ACPI_RSC_MOVE8,
 181          ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id),
 182          AML_OFFSET(common_serial_bus.type_revision_id),
 183          1},
 184
 185         {ACPI_RSC_MOVE16,
 186          ACPI_RS_OFFSET(data.common_serial_bus.type_data_length),
 187          AML_OFFSET(common_serial_bus.type_data_length),
 188          1},
 189
 190         /* Vendor data */
 191
 192         {ACPI_RSC_COUNT_SERIAL_VEN,
 193          ACPI_RS_OFFSET(data.common_serial_bus.vendor_length),
 194          AML_OFFSET(common_serial_bus.type_data_length),
 195          AML_RESOURCE_I2C_MIN_DATA_LEN},
 196
 197         {ACPI_RSC_MOVE_SERIAL_VEN,
 198          ACPI_RS_OFFSET(data.common_serial_bus.vendor_data),
 199          0,
 200          sizeof(struct aml_resource_i2c_serialbus)},
 201
 202         /* Resource Source */
 203
 204         {ACPI_RSC_MOVE8,
 205          ACPI_RS_OFFSET(data.common_serial_bus.resource_source.index),
 206          AML_OFFSET(common_serial_bus.res_source_index),
 207          1},
 208
 209         {ACPI_RSC_COUNT_SERIAL_RES,
 210          ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_length),
 211          AML_OFFSET(common_serial_bus.type_data_length),
 212          sizeof(struct aml_resource_common_serialbus)},
 213
 214         {ACPI_RSC_MOVE_SERIAL_RES,
 215          ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_ptr),
 216          AML_OFFSET(common_serial_bus.type_data_length),
 217          sizeof(struct aml_resource_common_serialbus)},
 218
 219         /* I2C bus type specific */
 220
 221         {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.i2c_serial_bus.access_mode),
 222          AML_OFFSET(i2c_serial_bus.type_specific_flags),
 223          0},
 224
 225         {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.i2c_serial_bus.connection_speed),
 226          AML_OFFSET(i2c_serial_bus.connection_speed),
 227          1},
 228
 229         {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.i2c_serial_bus.slave_address),
 230          AML_OFFSET(i2c_serial_bus.slave_address),
 231          1},
 232 };
 233
 234 /*******************************************************************************
 235  *
 236  * acpi_rs_convert_spi_serial_bus
 237  *
 238  ******************************************************************************/
 239
 240 struct acpi_rsconvert_info acpi_rs_convert_spi_serial_bus[20] = {
 241         {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS,
 242          ACPI_RS_SIZE(struct acpi_resource_spi_serialbus),
 243          ACPI_RSC_TABLE_SIZE(acpi_rs_convert_spi_serial_bus)},
 244
 245         {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_SERIAL_BUS,
 246          sizeof(struct aml_resource_spi_serialbus),
 247          0},
 248
 249         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.revision_id),
 250          AML_OFFSET(common_serial_bus.revision_id),
 251          1},
 252
 253         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.type),
 254          AML_OFFSET(common_serial_bus.type),
 255          1},
 256
 257         {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.common_serial_bus.slave_mode),
 258          AML_OFFSET(common_serial_bus.flags),
 259          0},
 260
 261         {ACPI_RSC_1BITFLAG,
 262          ACPI_RS_OFFSET(data.common_serial_bus.producer_consumer),
 263          AML_OFFSET(common_serial_bus.flags),
 264          1},
 265
 266         {ACPI_RSC_MOVE8,
 267          ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id),
 268          AML_OFFSET(common_serial_bus.type_revision_id),
 269          1},
 270
 271         {ACPI_RSC_MOVE16,
 272          ACPI_RS_OFFSET(data.common_serial_bus.type_data_length),
 273          AML_OFFSET(common_serial_bus.type_data_length),
 274          1},
 275
 276         /* Vendor data */
 277
 278         {ACPI_RSC_COUNT_SERIAL_VEN,
 279          ACPI_RS_OFFSET(data.common_serial_bus.vendor_length),
 280          AML_OFFSET(common_serial_bus.type_data_length),
 281          AML_RESOURCE_SPI_MIN_DATA_LEN},
 282
 283         {ACPI_RSC_MOVE_SERIAL_VEN,
 284          ACPI_RS_OFFSET(data.common_serial_bus.vendor_data),
 285          0,
 286          sizeof(struct aml_resource_spi_serialbus)},
 287
 288         /* Resource Source */
 289
 290         {ACPI_RSC_MOVE8,
 291          ACPI_RS_OFFSET(data.common_serial_bus.resource_source.index),
 292          AML_OFFSET(common_serial_bus.res_source_index),
 293          1},
 294
 295         {ACPI_RSC_COUNT_SERIAL_RES,
 296          ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_length),
 297          AML_OFFSET(common_serial_bus.type_data_length),
 298          sizeof(struct aml_resource_common_serialbus)},
 299
 300         {ACPI_RSC_MOVE_SERIAL_RES,
 301          ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_ptr),
 302          AML_OFFSET(common_serial_bus.type_data_length),
 303          sizeof(struct aml_resource_common_serialbus)},
 304
 305         /* Spi bus type specific  */
 306
 307         {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.spi_serial_bus.wire_mode),
 308          AML_OFFSET(spi_serial_bus.type_specific_flags),
 309          0},
 310
 311         {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.spi_serial_bus.device_polarity),
 312          AML_OFFSET(spi_serial_bus.type_specific_flags),
 313          1},
 314
 315         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.spi_serial_bus.data_bit_length),
 316          AML_OFFSET(spi_serial_bus.data_bit_length),
 317          1},
 318
 319         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.spi_serial_bus.clock_phase),
 320          AML_OFFSET(spi_serial_bus.clock_phase),
 321          1},
 322
 323         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.spi_serial_bus.clock_polarity),
 324          AML_OFFSET(spi_serial_bus.clock_polarity),
 325          1},
 326
 327         {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.spi_serial_bus.device_selection),
 328          AML_OFFSET(spi_serial_bus.device_selection),
 329          1},
 330
 331         {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.spi_serial_bus.connection_speed),
 332          AML_OFFSET(spi_serial_bus.connection_speed),
 333          1},
 334 };
 335
 336 /*******************************************************************************
 337  *
 338  * acpi_rs_convert_uart_serial_bus
 339  *
 340  ******************************************************************************/
 341
 342 struct acpi_rsconvert_info acpi_rs_convert_uart_serial_bus[22] = {
 343         {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS,
 344          ACPI_RS_SIZE(struct acpi_resource_uart_serialbus),
 345          ACPI_RSC_TABLE_SIZE(acpi_rs_convert_uart_serial_bus)},
 346
 347         {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_SERIAL_BUS,
 348          sizeof(struct aml_resource_uart_serialbus),
 349          0},
 350
 351         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.revision_id),
 352          AML_OFFSET(common_serial_bus.revision_id),
 353          1},
 354
 355         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.type),
 356          AML_OFFSET(common_serial_bus.type),
 357          1},
 358
 359         {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.common_serial_bus.slave_mode),
 360          AML_OFFSET(common_serial_bus.flags),
 361          0},
 362
 363         {ACPI_RSC_1BITFLAG,
 364          ACPI_RS_OFFSET(data.common_serial_bus.producer_consumer),
 365          AML_OFFSET(common_serial_bus.flags),
 366          1},
 367
 368         {ACPI_RSC_MOVE8,
 369          ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id),
 370          AML_OFFSET(common_serial_bus.type_revision_id),
 371          1},
 372
 373         {ACPI_RSC_MOVE16,
 374          ACPI_RS_OFFSET(data.common_serial_bus.type_data_length),
 375          AML_OFFSET(common_serial_bus.type_data_length),
 376          1},
 377
 378         /* Vendor data */
 379
 380         {ACPI_RSC_COUNT_SERIAL_VEN,
 381          ACPI_RS_OFFSET(data.common_serial_bus.vendor_length),
 382          AML_OFFSET(common_serial_bus.type_data_length),
 383          AML_RESOURCE_UART_MIN_DATA_LEN},
 384
 385         {ACPI_RSC_MOVE_SERIAL_VEN,
 386          ACPI_RS_OFFSET(data.common_serial_bus.vendor_data),
 387          0,
 388          sizeof(struct aml_resource_uart_serialbus)},
 389
 390         /* Resource Source */
 391
 392         {ACPI_RSC_MOVE8,
 393          ACPI_RS_OFFSET(data.common_serial_bus.resource_source.index),
 394          AML_OFFSET(common_serial_bus.res_source_index),
 395          1},
 396
 397         {ACPI_RSC_COUNT_SERIAL_RES,
 398          ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_length),
 399          AML_OFFSET(common_serial_bus.type_data_length),
 400          sizeof(struct aml_resource_common_serialbus)},
 401
 402         {ACPI_RSC_MOVE_SERIAL_RES,
 403          ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_ptr),
 404          AML_OFFSET(common_serial_bus.type_data_length),
 405          sizeof(struct aml_resource_common_serialbus)},
 406
 407         /* Uart bus type specific  */
 408
 409         {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.uart_serial_bus.flow_control),
 410          AML_OFFSET(uart_serial_bus.type_specific_flags),
 411          0},
 412
 413         {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.uart_serial_bus.stop_bits),
 414          AML_OFFSET(uart_serial_bus.type_specific_flags),
 415          2},
 416
 417         {ACPI_RSC_3BITFLAG, ACPI_RS_OFFSET(data.uart_serial_bus.data_bits),
 418          AML_OFFSET(uart_serial_bus.type_specific_flags),
 419          4},
 420
 421         {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.uart_serial_bus.endian),
 422          AML_OFFSET(uart_serial_bus.type_specific_flags),
 423          7},
 424
 425         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.uart_serial_bus.parity),
 426          AML_OFFSET(uart_serial_bus.parity),
 427          1},
 428
 429         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.uart_serial_bus.lines_enabled),
 430          AML_OFFSET(uart_serial_bus.lines_enabled),
 431          1},
 432
 433         {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.uart_serial_bus.rx_fifo_size),
 434          AML_OFFSET(uart_serial_bus.rx_fifo_size),
 435          1},
 436
 437         {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.uart_serial_bus.tx_fifo_size),
 438          AML_OFFSET(uart_serial_bus.tx_fifo_size),
 439          1},
 440
 441         {ACPI_RSC_MOVE32,
 442          ACPI_RS_OFFSET(data.uart_serial_bus.default_baud_rate),
 443          AML_OFFSET(uart_serial_bus.default_baud_rate),
 444          1},
 445 };