drivers/acpi/acpica/rsserial.c

   1 /*******************************************************************************
   2  *
   3  * Module Name: rsserial - GPIO/serial_bus resource descriptors
   4  *
   5  ******************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2016, 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[17] = {
 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_1BITFLAG,
 181          ACPI_RS_OFFSET(data.common_serial_bus.connection_sharing),
 182          AML_OFFSET(common_serial_bus.flags),
 183          2},
 184
 185         {ACPI_RSC_MOVE8,
 186          ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id),
 187          AML_OFFSET(common_serial_bus.type_revision_id),
 188          1},
 189
 190         {ACPI_RSC_MOVE16,
 191          ACPI_RS_OFFSET(data.common_serial_bus.type_data_length),
 192          AML_OFFSET(common_serial_bus.type_data_length),
 193          1},
 194
 195         /* Vendor data */
 196
 197         {ACPI_RSC_COUNT_SERIAL_VEN,
 198          ACPI_RS_OFFSET(data.common_serial_bus.vendor_length),
 199          AML_OFFSET(common_serial_bus.type_data_length),
 200          AML_RESOURCE_I2C_MIN_DATA_LEN},
 201
 202         {ACPI_RSC_MOVE_SERIAL_VEN,
 203          ACPI_RS_OFFSET(data.common_serial_bus.vendor_data),
 204          0,
 205          sizeof(struct aml_resource_i2c_serialbus)},
 206
 207         /* Resource Source */
 208
 209         {ACPI_RSC_MOVE8,
 210          ACPI_RS_OFFSET(data.common_serial_bus.resource_source.index),
 211          AML_OFFSET(common_serial_bus.res_source_index),
 212          1},
 213
 214         {ACPI_RSC_COUNT_SERIAL_RES,
 215          ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_length),
 216          AML_OFFSET(common_serial_bus.type_data_length),
 217          sizeof(struct aml_resource_common_serialbus)},
 218
 219         {ACPI_RSC_MOVE_SERIAL_RES,
 220          ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_ptr),
 221          AML_OFFSET(common_serial_bus.type_data_length),
 222          sizeof(struct aml_resource_common_serialbus)},
 223
 224         /* I2C bus type specific */
 225
 226         {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.i2c_serial_bus.access_mode),
 227          AML_OFFSET(i2c_serial_bus.type_specific_flags),
 228          0},
 229
 230         {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.i2c_serial_bus.connection_speed),
 231          AML_OFFSET(i2c_serial_bus.connection_speed),
 232          1},
 233
 234         {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.i2c_serial_bus.slave_address),
 235          AML_OFFSET(i2c_serial_bus.slave_address),
 236          1},
 237 };
 238
 239 /*******************************************************************************
 240  *
 241  * acpi_rs_convert_spi_serial_bus
 242  *
 243  ******************************************************************************/
 244
 245 struct acpi_rsconvert_info acpi_rs_convert_spi_serial_bus[21] = {
 246         {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS,
 247          ACPI_RS_SIZE(struct acpi_resource_spi_serialbus),
 248          ACPI_RSC_TABLE_SIZE(acpi_rs_convert_spi_serial_bus)},
 249
 250         {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_SERIAL_BUS,
 251          sizeof(struct aml_resource_spi_serialbus),
 252          0},
 253
 254         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.revision_id),
 255          AML_OFFSET(common_serial_bus.revision_id),
 256          1},
 257
 258         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.type),
 259          AML_OFFSET(common_serial_bus.type),
 260          1},
 261
 262         {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.common_serial_bus.slave_mode),
 263          AML_OFFSET(common_serial_bus.flags),
 264          0},
 265
 266         {ACPI_RSC_1BITFLAG,
 267          ACPI_RS_OFFSET(data.common_serial_bus.producer_consumer),
 268          AML_OFFSET(common_serial_bus.flags),
 269          1},
 270
 271         {ACPI_RSC_1BITFLAG,
 272          ACPI_RS_OFFSET(data.common_serial_bus.connection_sharing),
 273          AML_OFFSET(common_serial_bus.flags),
 274          2},
 275
 276         {ACPI_RSC_MOVE8,
 277          ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id),
 278          AML_OFFSET(common_serial_bus.type_revision_id),
 279          1},
 280
 281         {ACPI_RSC_MOVE16,
 282          ACPI_RS_OFFSET(data.common_serial_bus.type_data_length),
 283          AML_OFFSET(common_serial_bus.type_data_length),
 284          1},
 285
 286         /* Vendor data */
 287
 288         {ACPI_RSC_COUNT_SERIAL_VEN,
 289          ACPI_RS_OFFSET(data.common_serial_bus.vendor_length),
 290          AML_OFFSET(common_serial_bus.type_data_length),
 291          AML_RESOURCE_SPI_MIN_DATA_LEN},
 292
 293         {ACPI_RSC_MOVE_SERIAL_VEN,
 294          ACPI_RS_OFFSET(data.common_serial_bus.vendor_data),
 295          0,
 296          sizeof(struct aml_resource_spi_serialbus)},
 297
 298         /* Resource Source */
 299
 300         {ACPI_RSC_MOVE8,
 301          ACPI_RS_OFFSET(data.common_serial_bus.resource_source.index),
 302          AML_OFFSET(common_serial_bus.res_source_index),
 303          1},
 304
 305         {ACPI_RSC_COUNT_SERIAL_RES,
 306          ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_length),
 307          AML_OFFSET(common_serial_bus.type_data_length),
 308          sizeof(struct aml_resource_common_serialbus)},
 309
 310         {ACPI_RSC_MOVE_SERIAL_RES,
 311          ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_ptr),
 312          AML_OFFSET(common_serial_bus.type_data_length),
 313          sizeof(struct aml_resource_common_serialbus)},
 314
 315         /* Spi bus type specific  */
 316
 317         {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.spi_serial_bus.wire_mode),
 318          AML_OFFSET(spi_serial_bus.type_specific_flags),
 319          0},
 320
 321         {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.spi_serial_bus.device_polarity),
 322          AML_OFFSET(spi_serial_bus.type_specific_flags),
 323          1},
 324
 325         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.spi_serial_bus.data_bit_length),
 326          AML_OFFSET(spi_serial_bus.data_bit_length),
 327          1},
 328
 329         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.spi_serial_bus.clock_phase),
 330          AML_OFFSET(spi_serial_bus.clock_phase),
 331          1},
 332
 333         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.spi_serial_bus.clock_polarity),
 334          AML_OFFSET(spi_serial_bus.clock_polarity),
 335          1},
 336
 337         {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.spi_serial_bus.device_selection),
 338          AML_OFFSET(spi_serial_bus.device_selection),
 339          1},
 340
 341         {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.spi_serial_bus.connection_speed),
 342          AML_OFFSET(spi_serial_bus.connection_speed),
 343          1},
 344 };
 345
 346 /*******************************************************************************
 347  *
 348  * acpi_rs_convert_uart_serial_bus
 349  *
 350  ******************************************************************************/
 351
 352 struct acpi_rsconvert_info acpi_rs_convert_uart_serial_bus[23] = {
 353         {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS,
 354          ACPI_RS_SIZE(struct acpi_resource_uart_serialbus),
 355          ACPI_RSC_TABLE_SIZE(acpi_rs_convert_uart_serial_bus)},
 356
 357         {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_SERIAL_BUS,
 358          sizeof(struct aml_resource_uart_serialbus),
 359          0},
 360
 361         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.revision_id),
 362          AML_OFFSET(common_serial_bus.revision_id),
 363          1},
 364
 365         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.type),
 366          AML_OFFSET(common_serial_bus.type),
 367          1},
 368
 369         {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.common_serial_bus.slave_mode),
 370          AML_OFFSET(common_serial_bus.flags),
 371          0},
 372
 373         {ACPI_RSC_1BITFLAG,
 374          ACPI_RS_OFFSET(data.common_serial_bus.producer_consumer),
 375          AML_OFFSET(common_serial_bus.flags),
 376          1},
 377
 378         {ACPI_RSC_1BITFLAG,
 379          ACPI_RS_OFFSET(data.common_serial_bus.connection_sharing),
 380          AML_OFFSET(common_serial_bus.flags),
 381          2},
 382
 383         {ACPI_RSC_MOVE8,
 384          ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id),
 385          AML_OFFSET(common_serial_bus.type_revision_id),
 386          1},
 387
 388         {ACPI_RSC_MOVE16,
 389          ACPI_RS_OFFSET(data.common_serial_bus.type_data_length),
 390          AML_OFFSET(common_serial_bus.type_data_length),
 391          1},
 392
 393         /* Vendor data */
 394
 395         {ACPI_RSC_COUNT_SERIAL_VEN,
 396          ACPI_RS_OFFSET(data.common_serial_bus.vendor_length),
 397          AML_OFFSET(common_serial_bus.type_data_length),
 398          AML_RESOURCE_UART_MIN_DATA_LEN},
 399
 400         {ACPI_RSC_MOVE_SERIAL_VEN,
 401          ACPI_RS_OFFSET(data.common_serial_bus.vendor_data),
 402          0,
 403          sizeof(struct aml_resource_uart_serialbus)},
 404
 405         /* Resource Source */
 406
 407         {ACPI_RSC_MOVE8,
 408          ACPI_RS_OFFSET(data.common_serial_bus.resource_source.index),
 409          AML_OFFSET(common_serial_bus.res_source_index),
 410          1},
 411
 412         {ACPI_RSC_COUNT_SERIAL_RES,
 413          ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_length),
 414          AML_OFFSET(common_serial_bus.type_data_length),
 415          sizeof(struct aml_resource_common_serialbus)},
 416
 417         {ACPI_RSC_MOVE_SERIAL_RES,
 418          ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_ptr),
 419          AML_OFFSET(common_serial_bus.type_data_length),
 420          sizeof(struct aml_resource_common_serialbus)},
 421
 422         /* Uart bus type specific  */
 423
 424         {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.uart_serial_bus.flow_control),
 425          AML_OFFSET(uart_serial_bus.type_specific_flags),
 426          0},
 427
 428         {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.uart_serial_bus.stop_bits),
 429          AML_OFFSET(uart_serial_bus.type_specific_flags),
 430          2},
 431
 432         {ACPI_RSC_3BITFLAG, ACPI_RS_OFFSET(data.uart_serial_bus.data_bits),
 433          AML_OFFSET(uart_serial_bus.type_specific_flags),
 434          4},
 435
 436         {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.uart_serial_bus.endian),
 437          AML_OFFSET(uart_serial_bus.type_specific_flags),
 438          7},
 439
 440         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.uart_serial_bus.parity),
 441          AML_OFFSET(uart_serial_bus.parity),
 442          1},
 443
 444         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.uart_serial_bus.lines_enabled),
 445          AML_OFFSET(uart_serial_bus.lines_enabled),
 446          1},
 447
 448         {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.uart_serial_bus.rx_fifo_size),
 449          AML_OFFSET(uart_serial_bus.rx_fifo_size),
 450          1},
 451
 452         {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.uart_serial_bus.tx_fifo_size),
 453          AML_OFFSET(uart_serial_bus.tx_fifo_size),
 454          1},
 455
 456         {ACPI_RSC_MOVE32,
 457          ACPI_RS_OFFSET(data.uart_serial_bus.default_baud_rate),
 458          AML_OFFSET(uart_serial_bus.default_baud_rate),
 459          1},
 460 };