Pileus Git - ~andy/linux/blob - drivers/acpi/acpica/rsserial.c

   1 /*******************************************************************************
   2  *
   3  * Module Name: rsserial - GPIO/serial_bus resource descriptors
   4  *
   5  ******************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2012, 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[17] = {
  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_2BITFLAG, ACPI_RS_OFFSET(data.gpio.sharable),
  79          AML_OFFSET(gpio.int_flags),
  80          3},
  81
  82         {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.gpio.io_restriction),
  83          AML_OFFSET(gpio.int_flags),
  84          0},
  85
  86         {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.gpio.triggering),
  87          AML_OFFSET(gpio.int_flags),
  88          0},
  89
  90         {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.gpio.polarity),
  91          AML_OFFSET(gpio.int_flags),
  92          1},
  93
  94         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.gpio.pin_config),
  95          AML_OFFSET(gpio.pin_config),
  96          1},
  97
  98         /*
  99          * These fields are contiguous in both the source and destination:
 100          * drive_strength
 101          * debounce_timeout
 102          */
 103         {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.gpio.drive_strength),
 104          AML_OFFSET(gpio.drive_strength),
 105          2},
 106
 107         /* Pin Table */
 108
 109         {ACPI_RSC_COUNT_GPIO_PIN, ACPI_RS_OFFSET(data.gpio.pin_table_length),
 110          AML_OFFSET(gpio.pin_table_offset),
 111          AML_OFFSET(gpio.res_source_offset)},
 112
 113         {ACPI_RSC_MOVE_GPIO_PIN, ACPI_RS_OFFSET(data.gpio.pin_table),
 114          AML_OFFSET(gpio.pin_table_offset),
 115          0},
 116
 117         /* Resource Source */
 118
 119         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.gpio.resource_source.index),
 120          AML_OFFSET(gpio.res_source_index),
 121          1},
 122
 123         {ACPI_RSC_COUNT_GPIO_RES,
 124          ACPI_RS_OFFSET(data.gpio.resource_source.string_length),
 125          AML_OFFSET(gpio.res_source_offset),
 126          AML_OFFSET(gpio.vendor_offset)},
 127
 128         {ACPI_RSC_MOVE_GPIO_RES,
 129          ACPI_RS_OFFSET(data.gpio.resource_source.string_ptr),
 130          AML_OFFSET(gpio.res_source_offset),
 131          0},
 132
 133         /* Vendor Data */
 134
 135         {ACPI_RSC_COUNT_GPIO_VEN, ACPI_RS_OFFSET(data.gpio.vendor_length),
 136          AML_OFFSET(gpio.vendor_length),
 137          1},
 138
 139         {ACPI_RSC_MOVE_GPIO_RES, ACPI_RS_OFFSET(data.gpio.vendor_data),
 140          AML_OFFSET(gpio.vendor_offset),
 141          0},
 142 };
 143
 144 /*******************************************************************************
 145  *
 146  * acpi_rs_convert_i2c_serial_bus
 147  *
 148  ******************************************************************************/
 149
 150 struct acpi_rsconvert_info acpi_rs_convert_i2c_serial_bus[16] = {
 151         {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS,
 152          ACPI_RS_SIZE(struct acpi_resource_i2c_serialbus),
 153          ACPI_RSC_TABLE_SIZE(acpi_rs_convert_i2c_serial_bus)},
 154
 155         {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_SERIAL_BUS,
 156          sizeof(struct aml_resource_i2c_serialbus),
 157          0},
 158
 159         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.revision_id),
 160          AML_OFFSET(common_serial_bus.revision_id),
 161          1},
 162
 163         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.type),
 164          AML_OFFSET(common_serial_bus.type),
 165          1},
 166
 167         {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.common_serial_bus.slave_mode),
 168          AML_OFFSET(common_serial_bus.flags),
 169          0},
 170
 171         {ACPI_RSC_1BITFLAG,
 172          ACPI_RS_OFFSET(data.common_serial_bus.producer_consumer),
 173          AML_OFFSET(common_serial_bus.flags),
 174          1},
 175
 176         {ACPI_RSC_MOVE8,
 177          ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id),
 178          AML_OFFSET(common_serial_bus.type_revision_id),
 179          1},
 180
 181         {ACPI_RSC_MOVE16,
 182          ACPI_RS_OFFSET(data.common_serial_bus.type_data_length),
 183          AML_OFFSET(common_serial_bus.type_data_length),
 184          1},
 185
 186         /* Vendor data */
 187
 188         {ACPI_RSC_COUNT_SERIAL_VEN,
 189          ACPI_RS_OFFSET(data.common_serial_bus.vendor_length),
 190          AML_OFFSET(common_serial_bus.type_data_length),
 191          AML_RESOURCE_I2C_MIN_DATA_LEN},
 192
 193         {ACPI_RSC_MOVE_SERIAL_VEN,
 194          ACPI_RS_OFFSET(data.common_serial_bus.vendor_data),
 195          0,
 196          sizeof(struct aml_resource_i2c_serialbus)},
 197
 198         /* Resource Source */
 199
 200         {ACPI_RSC_MOVE8,
 201          ACPI_RS_OFFSET(data.common_serial_bus.resource_source.index),
 202          AML_OFFSET(common_serial_bus.res_source_index),
 203          1},
 204
 205         {ACPI_RSC_COUNT_SERIAL_RES,
 206          ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_length),
 207          AML_OFFSET(common_serial_bus.type_data_length),
 208          sizeof(struct aml_resource_common_serialbus)},
 209
 210         {ACPI_RSC_MOVE_SERIAL_RES,
 211          ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_ptr),
 212          AML_OFFSET(common_serial_bus.type_data_length),
 213          sizeof(struct aml_resource_common_serialbus)},
 214
 215         /* I2C bus type specific */
 216
 217         {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.i2c_serial_bus.access_mode),
 218          AML_OFFSET(i2c_serial_bus.type_specific_flags),
 219          0},
 220
 221         {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.i2c_serial_bus.connection_speed),
 222          AML_OFFSET(i2c_serial_bus.connection_speed),
 223          1},
 224
 225         {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.i2c_serial_bus.slave_address),
 226          AML_OFFSET(i2c_serial_bus.slave_address),
 227          1},
 228 };
 229
 230 /*******************************************************************************
 231  *
 232  * acpi_rs_convert_spi_serial_bus
 233  *
 234  ******************************************************************************/
 235
 236 struct acpi_rsconvert_info acpi_rs_convert_spi_serial_bus[20] = {
 237         {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS,
 238          ACPI_RS_SIZE(struct acpi_resource_spi_serialbus),
 239          ACPI_RSC_TABLE_SIZE(acpi_rs_convert_spi_serial_bus)},
 240
 241         {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_SERIAL_BUS,
 242          sizeof(struct aml_resource_spi_serialbus),
 243          0},
 244
 245         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.revision_id),
 246          AML_OFFSET(common_serial_bus.revision_id),
 247          1},
 248
 249         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.type),
 250          AML_OFFSET(common_serial_bus.type),
 251          1},
 252
 253         {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.common_serial_bus.slave_mode),
 254          AML_OFFSET(common_serial_bus.flags),
 255          0},
 256
 257         {ACPI_RSC_1BITFLAG,
 258          ACPI_RS_OFFSET(data.common_serial_bus.producer_consumer),
 259          AML_OFFSET(common_serial_bus.flags),
 260          1},
 261
 262         {ACPI_RSC_MOVE8,
 263          ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id),
 264          AML_OFFSET(common_serial_bus.type_revision_id),
 265          1},
 266
 267         {ACPI_RSC_MOVE16,
 268          ACPI_RS_OFFSET(data.common_serial_bus.type_data_length),
 269          AML_OFFSET(common_serial_bus.type_data_length),
 270          1},
 271
 272         /* Vendor data */
 273
 274         {ACPI_RSC_COUNT_SERIAL_VEN,
 275          ACPI_RS_OFFSET(data.common_serial_bus.vendor_length),
 276          AML_OFFSET(common_serial_bus.type_data_length),
 277          AML_RESOURCE_SPI_MIN_DATA_LEN},
 278
 279         {ACPI_RSC_MOVE_SERIAL_VEN,
 280          ACPI_RS_OFFSET(data.common_serial_bus.vendor_data),
 281          0,
 282          sizeof(struct aml_resource_spi_serialbus)},
 283
 284         /* Resource Source */
 285
 286         {ACPI_RSC_MOVE8,
 287          ACPI_RS_OFFSET(data.common_serial_bus.resource_source.index),
 288          AML_OFFSET(common_serial_bus.res_source_index),
 289          1},
 290
 291         {ACPI_RSC_COUNT_SERIAL_RES,
 292          ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_length),
 293          AML_OFFSET(common_serial_bus.type_data_length),
 294          sizeof(struct aml_resource_common_serialbus)},
 295
 296         {ACPI_RSC_MOVE_SERIAL_RES,
 297          ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_ptr),
 298          AML_OFFSET(common_serial_bus.type_data_length),
 299          sizeof(struct aml_resource_common_serialbus)},
 300
 301         /* Spi bus type specific  */
 302
 303         {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.spi_serial_bus.wire_mode),
 304          AML_OFFSET(spi_serial_bus.type_specific_flags),
 305          0},
 306
 307         {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.spi_serial_bus.device_polarity),
 308          AML_OFFSET(spi_serial_bus.type_specific_flags),
 309          1},
 310
 311         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.spi_serial_bus.data_bit_length),
 312          AML_OFFSET(spi_serial_bus.data_bit_length),
 313          1},
 314
 315         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.spi_serial_bus.clock_phase),
 316          AML_OFFSET(spi_serial_bus.clock_phase),
 317          1},
 318
 319         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.spi_serial_bus.clock_polarity),
 320          AML_OFFSET(spi_serial_bus.clock_polarity),
 321          1},
 322
 323         {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.spi_serial_bus.device_selection),
 324          AML_OFFSET(spi_serial_bus.device_selection),
 325          1},
 326
 327         {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.spi_serial_bus.connection_speed),
 328          AML_OFFSET(spi_serial_bus.connection_speed),
 329          1},
 330 };
 331
 332 /*******************************************************************************
 333  *
 334  * acpi_rs_convert_uart_serial_bus
 335  *
 336  ******************************************************************************/
 337
 338 struct acpi_rsconvert_info acpi_rs_convert_uart_serial_bus[22] = {
 339         {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS,
 340          ACPI_RS_SIZE(struct acpi_resource_uart_serialbus),
 341          ACPI_RSC_TABLE_SIZE(acpi_rs_convert_uart_serial_bus)},
 342
 343         {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_SERIAL_BUS,
 344          sizeof(struct aml_resource_uart_serialbus),
 345          0},
 346
 347         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.revision_id),
 348          AML_OFFSET(common_serial_bus.revision_id),
 349          1},
 350
 351         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.type),
 352          AML_OFFSET(common_serial_bus.type),
 353          1},
 354
 355         {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.common_serial_bus.slave_mode),
 356          AML_OFFSET(common_serial_bus.flags),
 357          0},
 358
 359         {ACPI_RSC_1BITFLAG,
 360          ACPI_RS_OFFSET(data.common_serial_bus.producer_consumer),
 361          AML_OFFSET(common_serial_bus.flags),
 362          1},
 363
 364         {ACPI_RSC_MOVE8,
 365          ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id),
 366          AML_OFFSET(common_serial_bus.type_revision_id),
 367          1},
 368
 369         {ACPI_RSC_MOVE16,
 370          ACPI_RS_OFFSET(data.common_serial_bus.type_data_length),
 371          AML_OFFSET(common_serial_bus.type_data_length),
 372          1},
 373
 374         /* Vendor data */
 375
 376         {ACPI_RSC_COUNT_SERIAL_VEN,
 377          ACPI_RS_OFFSET(data.common_serial_bus.vendor_length),
 378          AML_OFFSET(common_serial_bus.type_data_length),
 379          AML_RESOURCE_UART_MIN_DATA_LEN},
 380
 381         {ACPI_RSC_MOVE_SERIAL_VEN,
 382          ACPI_RS_OFFSET(data.common_serial_bus.vendor_data),
 383          0,
 384          sizeof(struct aml_resource_uart_serialbus)},
 385
 386         /* Resource Source */
 387
 388         {ACPI_RSC_MOVE8,
 389          ACPI_RS_OFFSET(data.common_serial_bus.resource_source.index),
 390          AML_OFFSET(common_serial_bus.res_source_index),
 391          1},
 392
 393         {ACPI_RSC_COUNT_SERIAL_RES,
 394          ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_length),
 395          AML_OFFSET(common_serial_bus.type_data_length),
 396          sizeof(struct aml_resource_common_serialbus)},
 397
 398         {ACPI_RSC_MOVE_SERIAL_RES,
 399          ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_ptr),
 400          AML_OFFSET(common_serial_bus.type_data_length),
 401          sizeof(struct aml_resource_common_serialbus)},
 402
 403         /* Uart bus type specific  */
 404
 405         {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.uart_serial_bus.flow_control),
 406          AML_OFFSET(uart_serial_bus.type_specific_flags),
 407          0},
 408
 409         {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.uart_serial_bus.stop_bits),
 410          AML_OFFSET(uart_serial_bus.type_specific_flags),
 411          2},
 412
 413         {ACPI_RSC_3BITFLAG, ACPI_RS_OFFSET(data.uart_serial_bus.data_bits),
 414          AML_OFFSET(uart_serial_bus.type_specific_flags),
 415          4},
 416
 417         {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.uart_serial_bus.endian),
 418          AML_OFFSET(uart_serial_bus.type_specific_flags),
 419          7},
 420
 421         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.uart_serial_bus.parity),
 422          AML_OFFSET(uart_serial_bus.parity),
 423          1},
 424
 425         {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.uart_serial_bus.lines_enabled),
 426          AML_OFFSET(uart_serial_bus.lines_enabled),
 427          1},
 428
 429         {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.uart_serial_bus.rx_fifo_size),
 430          AML_OFFSET(uart_serial_bus.rx_fifo_size),
 431          1},
 432
 433         {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.uart_serial_bus.tx_fifo_size),
 434          AML_OFFSET(uart_serial_bus.tx_fifo_size),
 435          1},
 436
 437         {ACPI_RSC_MOVE32,
 438          ACPI_RS_OFFSET(data.uart_serial_bus.default_baud_rate),
 439          AML_OFFSET(uart_serial_bus.default_baud_rate),
 440          1},
 441 };