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rsserial.c revision 1.1.1.4 
      1 /*******************************************************************************
      2  *
      3  * Module Name: rsserial - GPIO/SerialBus 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.h"
     45 #include "accommon.h"
     46 #include "acresrc.h"
     47 
     48 #define _COMPONENT          ACPI_RESOURCES
     49         ACPI_MODULE_NAME    ("rsserial")
     50 
     51 
     52 /*******************************************************************************
     53  *
     54  * AcpiRsConvertGpio
     55  *
     56  ******************************************************************************/
     57 
     58 ACPI_RSCONVERT_INFO     AcpiRsConvertGpio[18] =
     59 {
     60     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_GPIO,
     61                         ACPI_RS_SIZE (ACPI_RESOURCE_GPIO),
     62                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertGpio)},
     63 
     64     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_GPIO,
     65                         sizeof (AML_RESOURCE_GPIO),
     66                         0},
     67 
     68     /*
     69      * These fields are contiguous in both the source and destination:
     70      * RevisionId
     71      * ConnectionType
     72      */
     73     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Gpio.RevisionId),
     74                         AML_OFFSET (Gpio.RevisionId),
     75                         2},
     76 
     77     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Gpio.ProducerConsumer),
     78                         AML_OFFSET (Gpio.Flags),
     79                         0},
     80 
     81     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Gpio.Sharable),
     82                         AML_OFFSET (Gpio.IntFlags),
     83                         3},
     84 
     85     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Gpio.WakeCapable),
     86                         AML_OFFSET (Gpio.IntFlags),
     87                         4},
     88 
     89     {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Gpio.IoRestriction),
     90                         AML_OFFSET (Gpio.IntFlags),
     91                         0},
     92 
     93     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Gpio.Triggering),
     94                         AML_OFFSET (Gpio.IntFlags),
     95                         0},
     96 
     97     {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Gpio.Polarity),
     98                         AML_OFFSET (Gpio.IntFlags),
     99                         1},
    100 
    101     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Gpio.PinConfig),
    102                         AML_OFFSET (Gpio.PinConfig),
    103                         1},
    104 
    105     /*
    106      * These fields are contiguous in both the source and destination:
    107      * DriveStrength
    108      * DebounceTimeout
    109      */
    110     {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.Gpio.DriveStrength),
    111                         AML_OFFSET (Gpio.DriveStrength),
    112                         2},
    113 
    114     /* Pin Table */
    115 
    116     {ACPI_RSC_COUNT_GPIO_PIN, ACPI_RS_OFFSET (Data.Gpio.PinTableLength),
    117                         AML_OFFSET (Gpio.PinTableOffset),
    118                         AML_OFFSET (Gpio.ResSourceOffset)},
    119 
    120     {ACPI_RSC_MOVE_GPIO_PIN, ACPI_RS_OFFSET (Data.Gpio.PinTable),
    121                         AML_OFFSET (Gpio.PinTableOffset),
    122                         0},
    123 
    124     /* Resource Source */
    125 
    126     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Gpio.ResourceSource.Index),
    127                         AML_OFFSET (Gpio.ResSourceIndex),
    128                         1},
    129 
    130     {ACPI_RSC_COUNT_GPIO_RES,  ACPI_RS_OFFSET (Data.Gpio.ResourceSource.StringLength),
    131                         AML_OFFSET (Gpio.ResSourceOffset),
    132                         AML_OFFSET (Gpio.VendorOffset)},
    133 
    134     {ACPI_RSC_MOVE_GPIO_RES,   ACPI_RS_OFFSET (Data.Gpio.ResourceSource.StringPtr),
    135                         AML_OFFSET (Gpio.ResSourceOffset),
    136                         0},
    137 
    138     /* Vendor Data */
    139 
    140     {ACPI_RSC_COUNT_GPIO_VEN,   ACPI_RS_OFFSET (Data.Gpio.VendorLength),
    141                         AML_OFFSET (Gpio.VendorLength),
    142                         1},
    143 
    144     {ACPI_RSC_MOVE_GPIO_RES,   ACPI_RS_OFFSET (Data.Gpio.VendorData),
    145                         AML_OFFSET (Gpio.VendorOffset),
    146                         0},
    147 };
    148 
    149 
    150 /*******************************************************************************
    151  *
    152  * AcpiRsConvertI2cSerialBus
    153  *
    154  ******************************************************************************/
    155 
    156 ACPI_RSCONVERT_INFO     AcpiRsConvertI2cSerialBus[16] =
    157 {
    158     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_SERIAL_BUS,
    159                         ACPI_RS_SIZE (ACPI_RESOURCE_I2C_SERIALBUS),
    160                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertI2cSerialBus)},
    161 
    162     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_SERIAL_BUS,
    163                         sizeof (AML_RESOURCE_I2C_SERIALBUS),
    164                         0},
    165 
    166     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.RevisionId),
    167                         AML_OFFSET (CommonSerialBus.RevisionId),
    168                         1},
    169 
    170     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.Type),
    171                         AML_OFFSET (CommonSerialBus.Type),
    172                         1},
    173 
    174     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.CommonSerialBus.SlaveMode),
    175                         AML_OFFSET (CommonSerialBus.Flags),
    176                         0},
    177 
    178     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.CommonSerialBus.ProducerConsumer),
    179                         AML_OFFSET (CommonSerialBus.Flags),
    180                         1},
    181 
    182     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.TypeRevisionId),
    183                         AML_OFFSET (CommonSerialBus.TypeRevisionId),
    184                         1},
    185 
    186     {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.CommonSerialBus.TypeDataLength),
    187                         AML_OFFSET (CommonSerialBus.TypeDataLength),
    188                         1},
    189 
    190     /* Vendor data */
    191 
    192     {ACPI_RSC_COUNT_SERIAL_VEN, ACPI_RS_OFFSET (Data.CommonSerialBus.VendorLength),
    193                         AML_OFFSET (CommonSerialBus.TypeDataLength),
    194                         AML_RESOURCE_I2C_MIN_DATA_LEN},
    195 
    196     {ACPI_RSC_MOVE_SERIAL_VEN,  ACPI_RS_OFFSET (Data.CommonSerialBus.VendorData),
    197                         0,
    198                         sizeof (AML_RESOURCE_I2C_SERIALBUS)},
    199 
    200     /* Resource Source */
    201 
    202     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.ResourceSource.Index),
    203                         AML_OFFSET (CommonSerialBus.ResSourceIndex),
    204                         1},
    205 
    206     {ACPI_RSC_COUNT_SERIAL_RES, ACPI_RS_OFFSET (Data.CommonSerialBus.ResourceSource.StringLength),
    207                         AML_OFFSET (CommonSerialBus.TypeDataLength),
    208                         sizeof (AML_RESOURCE_COMMON_SERIALBUS)},
    209 
    210     {ACPI_RSC_MOVE_SERIAL_RES,  ACPI_RS_OFFSET (Data.CommonSerialBus.ResourceSource.StringPtr),
    211                         AML_OFFSET (CommonSerialBus.TypeDataLength),
    212                         sizeof (AML_RESOURCE_COMMON_SERIALBUS)},
    213 
    214     /* I2C bus type specific */
    215 
    216     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.I2cSerialBus.AccessMode),
    217                         AML_OFFSET (I2cSerialBus.TypeSpecificFlags),
    218                         0},
    219 
    220     {ACPI_RSC_MOVE32,   ACPI_RS_OFFSET (Data.I2cSerialBus.ConnectionSpeed),
    221                         AML_OFFSET (I2cSerialBus.ConnectionSpeed),
    222                         1},
    223 
    224     {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.I2cSerialBus.SlaveAddress),
    225                         AML_OFFSET (I2cSerialBus.SlaveAddress),
    226                         1},
    227 };
    228 
    229 
    230 /*******************************************************************************
    231  *
    232  * AcpiRsConvertSpiSerialBus
    233  *
    234  ******************************************************************************/
    235 
    236 ACPI_RSCONVERT_INFO     AcpiRsConvertSpiSerialBus[20] =
    237 {
    238     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_SERIAL_BUS,
    239                         ACPI_RS_SIZE (ACPI_RESOURCE_SPI_SERIALBUS),
    240                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertSpiSerialBus)},
    241 
    242     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_SERIAL_BUS,
    243                         sizeof (AML_RESOURCE_SPI_SERIALBUS),
    244                         0},
    245 
    246     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.RevisionId),
    247                         AML_OFFSET (CommonSerialBus.RevisionId),
    248                         1},
    249 
    250     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.Type),
    251                         AML_OFFSET (CommonSerialBus.Type),
    252                         1},
    253 
    254     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.CommonSerialBus.SlaveMode),
    255                         AML_OFFSET (CommonSerialBus.Flags),
    256                         0},
    257 
    258     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.CommonSerialBus.ProducerConsumer),
    259                         AML_OFFSET (CommonSerialBus.Flags),
    260                         1},
    261 
    262     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.TypeRevisionId),
    263                         AML_OFFSET (CommonSerialBus.TypeRevisionId),
    264                         1},
    265 
    266     {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.CommonSerialBus.TypeDataLength),
    267                         AML_OFFSET (CommonSerialBus.TypeDataLength),
    268                         1},
    269 
    270     /* Vendor data */
    271 
    272     {ACPI_RSC_COUNT_SERIAL_VEN, ACPI_RS_OFFSET (Data.CommonSerialBus.VendorLength),
    273                         AML_OFFSET (CommonSerialBus.TypeDataLength),
    274                         AML_RESOURCE_SPI_MIN_DATA_LEN},
    275 
    276     {ACPI_RSC_MOVE_SERIAL_VEN,  ACPI_RS_OFFSET (Data.CommonSerialBus.VendorData),
    277                         0,
    278                         sizeof (AML_RESOURCE_SPI_SERIALBUS)},
    279 
    280     /* Resource Source */
    281 
    282     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.ResourceSource.Index),
    283                         AML_OFFSET (CommonSerialBus.ResSourceIndex),
    284                         1},
    285 
    286     {ACPI_RSC_COUNT_SERIAL_RES, ACPI_RS_OFFSET (Data.CommonSerialBus.ResourceSource.StringLength),
    287                         AML_OFFSET (CommonSerialBus.TypeDataLength),
    288                         sizeof (AML_RESOURCE_COMMON_SERIALBUS)},
    289 
    290     {ACPI_RSC_MOVE_SERIAL_RES,  ACPI_RS_OFFSET (Data.CommonSerialBus.ResourceSource.StringPtr),
    291                         AML_OFFSET (CommonSerialBus.TypeDataLength),
    292                         sizeof (AML_RESOURCE_COMMON_SERIALBUS)},
    293 
    294     /* Spi bus type specific  */
    295 
    296     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.SpiSerialBus.WireMode),
    297                         AML_OFFSET (SpiSerialBus.TypeSpecificFlags),
    298                         0},
    299 
    300     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.SpiSerialBus.DevicePolarity),
    301                         AML_OFFSET (SpiSerialBus.TypeSpecificFlags),
    302                         1},
    303 
    304     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.SpiSerialBus.DataBitLength),
    305                         AML_OFFSET (SpiSerialBus.DataBitLength),
    306                         1},
    307 
    308     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.SpiSerialBus.ClockPhase),
    309                         AML_OFFSET (SpiSerialBus.ClockPhase),
    310                         1},
    311 
    312     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.SpiSerialBus.ClockPolarity),
    313                         AML_OFFSET (SpiSerialBus.ClockPolarity),
    314                         1},
    315 
    316     {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.SpiSerialBus.DeviceSelection),
    317                         AML_OFFSET (SpiSerialBus.DeviceSelection),
    318                         1},
    319 
    320     {ACPI_RSC_MOVE32,   ACPI_RS_OFFSET (Data.SpiSerialBus.ConnectionSpeed),
    321                         AML_OFFSET (SpiSerialBus.ConnectionSpeed),
    322                         1},
    323 };
    324 
    325 
    326 /*******************************************************************************
    327  *
    328  * AcpiRsConvertUartSerialBus
    329  *
    330  ******************************************************************************/
    331 
    332 ACPI_RSCONVERT_INFO     AcpiRsConvertUartSerialBus[22] =
    333 {
    334     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_SERIAL_BUS,
    335                         ACPI_RS_SIZE (ACPI_RESOURCE_UART_SERIALBUS),
    336                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertUartSerialBus)},
    337 
    338     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_SERIAL_BUS,
    339                         sizeof (AML_RESOURCE_UART_SERIALBUS),
    340                         0},
    341 
    342     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.RevisionId),
    343                         AML_OFFSET (CommonSerialBus.RevisionId),
    344                         1},
    345 
    346     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.Type),
    347                         AML_OFFSET (CommonSerialBus.Type),
    348                         1},
    349 
    350     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.CommonSerialBus.SlaveMode),
    351                         AML_OFFSET (CommonSerialBus.Flags),
    352                         0},
    353 
    354     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.CommonSerialBus.ProducerConsumer),
    355                         AML_OFFSET (CommonSerialBus.Flags),
    356                         1},
    357 
    358     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.TypeRevisionId),
    359                         AML_OFFSET (CommonSerialBus.TypeRevisionId),
    360                         1},
    361 
    362     {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.CommonSerialBus.TypeDataLength),
    363                         AML_OFFSET (CommonSerialBus.TypeDataLength),
    364                         1},
    365 
    366     /* Vendor data */
    367 
    368     {ACPI_RSC_COUNT_SERIAL_VEN, ACPI_RS_OFFSET (Data.CommonSerialBus.VendorLength),
    369                         AML_OFFSET (CommonSerialBus.TypeDataLength),
    370                         AML_RESOURCE_UART_MIN_DATA_LEN},
    371 
    372     {ACPI_RSC_MOVE_SERIAL_VEN,  ACPI_RS_OFFSET (Data.CommonSerialBus.VendorData),
    373                         0,
    374                         sizeof (AML_RESOURCE_UART_SERIALBUS)},
    375 
    376     /* Resource Source */
    377 
    378     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.ResourceSource.Index),
    379                         AML_OFFSET (CommonSerialBus.ResSourceIndex),
    380                         1},
    381 
    382     {ACPI_RSC_COUNT_SERIAL_RES, ACPI_RS_OFFSET (Data.CommonSerialBus.ResourceSource.StringLength),
    383                         AML_OFFSET (CommonSerialBus.TypeDataLength),
    384                         sizeof (AML_RESOURCE_COMMON_SERIALBUS)},
    385 
    386     {ACPI_RSC_MOVE_SERIAL_RES,  ACPI_RS_OFFSET (Data.CommonSerialBus.ResourceSource.StringPtr),
    387                         AML_OFFSET (CommonSerialBus.TypeDataLength),
    388                         sizeof (AML_RESOURCE_COMMON_SERIALBUS)},
    389 
    390     /* Uart bus type specific  */
    391 
    392     {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.UartSerialBus.FlowControl),
    393                         AML_OFFSET (UartSerialBus.TypeSpecificFlags),
    394                         0},
    395 
    396     {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.UartSerialBus.StopBits),
    397                         AML_OFFSET (UartSerialBus.TypeSpecificFlags),
    398                         2},
    399 
    400     {ACPI_RSC_3BITFLAG, ACPI_RS_OFFSET (Data.UartSerialBus.DataBits),
    401                         AML_OFFSET (UartSerialBus.TypeSpecificFlags),
    402                         4},
    403 
    404     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.UartSerialBus.Endian),
    405                         AML_OFFSET (UartSerialBus.TypeSpecificFlags),
    406                         7},
    407 
    408     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.UartSerialBus.Parity),
    409                         AML_OFFSET (UartSerialBus.Parity),
    410                         1},
    411 
    412     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.UartSerialBus.LinesEnabled),
    413                         AML_OFFSET (UartSerialBus.LinesEnabled),
    414                         1},
    415 
    416     {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.UartSerialBus.RxFifoSize),
    417                         AML_OFFSET (UartSerialBus.RxFifoSize),
    418                         1},
    419 
    420     {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.UartSerialBus.TxFifoSize),
    421                         AML_OFFSET (UartSerialBus.TxFifoSize),
    422                         1},
    423 
    424     {ACPI_RSC_MOVE32,   ACPI_RS_OFFSET (Data.UartSerialBus.DefaultBaudRate),
    425                         AML_OFFSET (UartSerialBus.DefaultBaudRate),
    426                         1},
    427 };
    428