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rsserial.c revision 1.1 
      1 /*******************************************************************************
      2  *
      3  * Module Name: rsserial - GPIO/SerialBus resource descriptors
      4  *
      5  ******************************************************************************/
      6 
      7 /*
      8  * Copyright (C) 2000 - 2013, 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 #define __RSIRQ_C__
     45 
     46 #include "acpi.h"
     47 #include "accommon.h"
     48 #include "acresrc.h"
     49 
     50 #define _COMPONENT          ACPI_RESOURCES
     51         ACPI_MODULE_NAME    ("rsserial")
     52 
     53 
     54 /*******************************************************************************
     55  *
     56  * AcpiRsConvertGpio
     57  *
     58  ******************************************************************************/
     59 
     60 ACPI_RSCONVERT_INFO     AcpiRsConvertGpio[18] =
     61 {
     62     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_GPIO,
     63                         ACPI_RS_SIZE (ACPI_RESOURCE_GPIO),
     64                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertGpio)},
     65 
     66     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_GPIO,
     67                         sizeof (AML_RESOURCE_GPIO),
     68                         0},
     69 
     70     /*
     71      * These fields are contiguous in both the source and destination:
     72      * RevisionId
     73      * ConnectionType
     74      */
     75     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Gpio.RevisionId),
     76                         AML_OFFSET (Gpio.RevisionId),
     77                         2},
     78 
     79     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Gpio.ProducerConsumer),
     80                         AML_OFFSET (Gpio.Flags),
     81                         0},
     82 
     83     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Gpio.Sharable),
     84                         AML_OFFSET (Gpio.IntFlags),
     85                         3},
     86 
     87     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Gpio.WakeCapable),
     88                         AML_OFFSET (Gpio.IntFlags),
     89                         4},
     90 
     91     {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Gpio.IoRestriction),
     92                         AML_OFFSET (Gpio.IntFlags),
     93                         0},
     94 
     95     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Gpio.Triggering),
     96                         AML_OFFSET (Gpio.IntFlags),
     97                         0},
     98 
     99     {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Gpio.Polarity),
    100                         AML_OFFSET (Gpio.IntFlags),
    101                         1},
    102 
    103     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Gpio.PinConfig),
    104                         AML_OFFSET (Gpio.PinConfig),
    105                         1},
    106 
    107     /*
    108      * These fields are contiguous in both the source and destination:
    109      * DriveStrength
    110      * DebounceTimeout
    111      */
    112     {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.Gpio.DriveStrength),
    113                         AML_OFFSET (Gpio.DriveStrength),
    114                         2},
    115 
    116     /* Pin Table */
    117 
    118     {ACPI_RSC_COUNT_GPIO_PIN, ACPI_RS_OFFSET (Data.Gpio.PinTableLength),
    119                         AML_OFFSET (Gpio.PinTableOffset),
    120                         AML_OFFSET (Gpio.ResSourceOffset)},
    121 
    122     {ACPI_RSC_MOVE_GPIO_PIN, ACPI_RS_OFFSET (Data.Gpio.PinTable),
    123                         AML_OFFSET (Gpio.PinTableOffset),
    124                         0},
    125 
    126     /* Resource Source */
    127 
    128     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Gpio.ResourceSource.Index),
    129                         AML_OFFSET (Gpio.ResSourceIndex),
    130                         1},
    131 
    132     {ACPI_RSC_COUNT_GPIO_RES,  ACPI_RS_OFFSET (Data.Gpio.ResourceSource.StringLength),
    133                         AML_OFFSET (Gpio.ResSourceOffset),
    134                         AML_OFFSET (Gpio.VendorOffset)},
    135 
    136     {ACPI_RSC_MOVE_GPIO_RES,   ACPI_RS_OFFSET (Data.Gpio.ResourceSource.StringPtr),
    137                         AML_OFFSET (Gpio.ResSourceOffset),
    138                         0},
    139 
    140     /* Vendor Data */
    141 
    142     {ACPI_RSC_COUNT_GPIO_VEN,   ACPI_RS_OFFSET (Data.Gpio.VendorLength),
    143                         AML_OFFSET (Gpio.VendorLength),
    144                         1},
    145 
    146     {ACPI_RSC_MOVE_GPIO_RES,   ACPI_RS_OFFSET (Data.Gpio.VendorData),
    147                         AML_OFFSET (Gpio.VendorOffset),
    148                         0},
    149 };
    150 
    151 
    152 /*******************************************************************************
    153  *
    154  * AcpiRsConvertI2cSerialBus
    155  *
    156  ******************************************************************************/
    157 
    158 ACPI_RSCONVERT_INFO     AcpiRsConvertI2cSerialBus[16] =
    159 {
    160     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_SERIAL_BUS,
    161                         ACPI_RS_SIZE (ACPI_RESOURCE_I2C_SERIALBUS),
    162                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertI2cSerialBus)},
    163 
    164     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_SERIAL_BUS,
    165                         sizeof (AML_RESOURCE_I2C_SERIALBUS),
    166                         0},
    167 
    168     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.RevisionId),
    169                         AML_OFFSET (CommonSerialBus.RevisionId),
    170                         1},
    171 
    172     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.Type),
    173                         AML_OFFSET (CommonSerialBus.Type),
    174                         1},
    175 
    176     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.CommonSerialBus.SlaveMode),
    177                         AML_OFFSET (CommonSerialBus.Flags),
    178                         0},
    179 
    180     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.CommonSerialBus.ProducerConsumer),
    181                         AML_OFFSET (CommonSerialBus.Flags),
    182                         1},
    183 
    184     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.TypeRevisionId),
    185                         AML_OFFSET (CommonSerialBus.TypeRevisionId),
    186                         1},
    187 
    188     {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.CommonSerialBus.TypeDataLength),
    189                         AML_OFFSET (CommonSerialBus.TypeDataLength),
    190                         1},
    191 
    192     /* Vendor data */
    193 
    194     {ACPI_RSC_COUNT_SERIAL_VEN, ACPI_RS_OFFSET (Data.CommonSerialBus.VendorLength),
    195                         AML_OFFSET (CommonSerialBus.TypeDataLength),
    196                         AML_RESOURCE_I2C_MIN_DATA_LEN},
    197 
    198     {ACPI_RSC_MOVE_SERIAL_VEN,  ACPI_RS_OFFSET (Data.CommonSerialBus.VendorData),
    199                         0,
    200                         sizeof (AML_RESOURCE_I2C_SERIALBUS)},
    201 
    202     /* Resource Source */
    203 
    204     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.ResourceSource.Index),
    205                         AML_OFFSET (CommonSerialBus.ResSourceIndex),
    206                         1},
    207 
    208     {ACPI_RSC_COUNT_SERIAL_RES, ACPI_RS_OFFSET (Data.CommonSerialBus.ResourceSource.StringLength),
    209                         AML_OFFSET (CommonSerialBus.TypeDataLength),
    210                         sizeof (AML_RESOURCE_COMMON_SERIALBUS)},
    211 
    212     {ACPI_RSC_MOVE_SERIAL_RES,  ACPI_RS_OFFSET (Data.CommonSerialBus.ResourceSource.StringPtr),
    213                         AML_OFFSET (CommonSerialBus.TypeDataLength),
    214                         sizeof (AML_RESOURCE_COMMON_SERIALBUS)},
    215 
    216     /* I2C bus type specific */
    217 
    218     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.I2cSerialBus.AccessMode),
    219                         AML_OFFSET (I2cSerialBus.TypeSpecificFlags),
    220                         0},
    221 
    222     {ACPI_RSC_MOVE32,   ACPI_RS_OFFSET (Data.I2cSerialBus.ConnectionSpeed),
    223                         AML_OFFSET (I2cSerialBus.ConnectionSpeed),
    224                         1},
    225 
    226     {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.I2cSerialBus.SlaveAddress),
    227                         AML_OFFSET (I2cSerialBus.SlaveAddress),
    228                         1},
    229 };
    230 
    231 
    232 /*******************************************************************************
    233  *
    234  * AcpiRsConvertSpiSerialBus
    235  *
    236  ******************************************************************************/
    237 
    238 ACPI_RSCONVERT_INFO     AcpiRsConvertSpiSerialBus[20] =
    239 {
    240     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_SERIAL_BUS,
    241                         ACPI_RS_SIZE (ACPI_RESOURCE_SPI_SERIALBUS),
    242                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertSpiSerialBus)},
    243 
    244     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_SERIAL_BUS,
    245                         sizeof (AML_RESOURCE_SPI_SERIALBUS),
    246                         0},
    247 
    248     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.RevisionId),
    249                         AML_OFFSET (CommonSerialBus.RevisionId),
    250                         1},
    251 
    252     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.Type),
    253                         AML_OFFSET (CommonSerialBus.Type),
    254                         1},
    255 
    256     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.CommonSerialBus.SlaveMode),
    257                         AML_OFFSET (CommonSerialBus.Flags),
    258                         0},
    259 
    260     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.CommonSerialBus.ProducerConsumer),
    261                         AML_OFFSET (CommonSerialBus.Flags),
    262                         1},
    263 
    264     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.TypeRevisionId),
    265                         AML_OFFSET (CommonSerialBus.TypeRevisionId),
    266                         1},
    267 
    268     {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.CommonSerialBus.TypeDataLength),
    269                         AML_OFFSET (CommonSerialBus.TypeDataLength),
    270                         1},
    271 
    272     /* Vendor data */
    273 
    274     {ACPI_RSC_COUNT_SERIAL_VEN, ACPI_RS_OFFSET (Data.CommonSerialBus.VendorLength),
    275                         AML_OFFSET (CommonSerialBus.TypeDataLength),
    276                         AML_RESOURCE_SPI_MIN_DATA_LEN},
    277 
    278     {ACPI_RSC_MOVE_SERIAL_VEN,  ACPI_RS_OFFSET (Data.CommonSerialBus.VendorData),
    279                         0,
    280                         sizeof (AML_RESOURCE_SPI_SERIALBUS)},
    281 
    282     /* Resource Source */
    283 
    284     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.ResourceSource.Index),
    285                         AML_OFFSET (CommonSerialBus.ResSourceIndex),
    286                         1},
    287 
    288     {ACPI_RSC_COUNT_SERIAL_RES, ACPI_RS_OFFSET (Data.CommonSerialBus.ResourceSource.StringLength),
    289                         AML_OFFSET (CommonSerialBus.TypeDataLength),
    290                         sizeof (AML_RESOURCE_COMMON_SERIALBUS)},
    291 
    292     {ACPI_RSC_MOVE_SERIAL_RES,  ACPI_RS_OFFSET (Data.CommonSerialBus.ResourceSource.StringPtr),
    293                         AML_OFFSET (CommonSerialBus.TypeDataLength),
    294                         sizeof (AML_RESOURCE_COMMON_SERIALBUS)},
    295 
    296     /* Spi bus type specific  */
    297 
    298     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.SpiSerialBus.WireMode),
    299                         AML_OFFSET (SpiSerialBus.TypeSpecificFlags),
    300                         0},
    301 
    302     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.SpiSerialBus.DevicePolarity),
    303                         AML_OFFSET (SpiSerialBus.TypeSpecificFlags),
    304                         1},
    305 
    306     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.SpiSerialBus.DataBitLength),
    307                         AML_OFFSET (SpiSerialBus.DataBitLength),
    308                         1},
    309 
    310     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.SpiSerialBus.ClockPhase),
    311                         AML_OFFSET (SpiSerialBus.ClockPhase),
    312                         1},
    313 
    314     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.SpiSerialBus.ClockPolarity),
    315                         AML_OFFSET (SpiSerialBus.ClockPolarity),
    316                         1},
    317 
    318     {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.SpiSerialBus.DeviceSelection),
    319                         AML_OFFSET (SpiSerialBus.DeviceSelection),
    320                         1},
    321 
    322     {ACPI_RSC_MOVE32,   ACPI_RS_OFFSET (Data.SpiSerialBus.ConnectionSpeed),
    323                         AML_OFFSET (SpiSerialBus.ConnectionSpeed),
    324                         1},
    325 };
    326 
    327 
    328 /*******************************************************************************
    329  *
    330  * AcpiRsConvertUartSerialBus
    331  *
    332  ******************************************************************************/
    333 
    334 ACPI_RSCONVERT_INFO     AcpiRsConvertUartSerialBus[22] =
    335 {
    336     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_SERIAL_BUS,
    337                         ACPI_RS_SIZE (ACPI_RESOURCE_UART_SERIALBUS),
    338                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertUartSerialBus)},
    339 
    340     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_SERIAL_BUS,
    341                         sizeof (AML_RESOURCE_UART_SERIALBUS),
    342                         0},
    343 
    344     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.RevisionId),
    345                         AML_OFFSET (CommonSerialBus.RevisionId),
    346                         1},
    347 
    348     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.Type),
    349                         AML_OFFSET (CommonSerialBus.Type),
    350                         1},
    351 
    352     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.CommonSerialBus.SlaveMode),
    353                         AML_OFFSET (CommonSerialBus.Flags),
    354                         0},
    355 
    356     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.CommonSerialBus.ProducerConsumer),
    357                         AML_OFFSET (CommonSerialBus.Flags),
    358                         1},
    359 
    360     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.TypeRevisionId),
    361                         AML_OFFSET (CommonSerialBus.TypeRevisionId),
    362                         1},
    363 
    364     {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.CommonSerialBus.TypeDataLength),
    365                         AML_OFFSET (CommonSerialBus.TypeDataLength),
    366                         1},
    367 
    368     /* Vendor data */
    369 
    370     {ACPI_RSC_COUNT_SERIAL_VEN, ACPI_RS_OFFSET (Data.CommonSerialBus.VendorLength),
    371                         AML_OFFSET (CommonSerialBus.TypeDataLength),
    372                         AML_RESOURCE_UART_MIN_DATA_LEN},
    373 
    374     {ACPI_RSC_MOVE_SERIAL_VEN,  ACPI_RS_OFFSET (Data.CommonSerialBus.VendorData),
    375                         0,
    376                         sizeof (AML_RESOURCE_UART_SERIALBUS)},
    377 
    378     /* Resource Source */
    379 
    380     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.CommonSerialBus.ResourceSource.Index),
    381                         AML_OFFSET (CommonSerialBus.ResSourceIndex),
    382                         1},
    383 
    384     {ACPI_RSC_COUNT_SERIAL_RES, ACPI_RS_OFFSET (Data.CommonSerialBus.ResourceSource.StringLength),
    385                         AML_OFFSET (CommonSerialBus.TypeDataLength),
    386                         sizeof (AML_RESOURCE_COMMON_SERIALBUS)},
    387 
    388     {ACPI_RSC_MOVE_SERIAL_RES,  ACPI_RS_OFFSET (Data.CommonSerialBus.ResourceSource.StringPtr),
    389                         AML_OFFSET (CommonSerialBus.TypeDataLength),
    390                         sizeof (AML_RESOURCE_COMMON_SERIALBUS)},
    391 
    392     /* Uart bus type specific  */
    393 
    394     {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.UartSerialBus.FlowControl),
    395                         AML_OFFSET (UartSerialBus.TypeSpecificFlags),
    396                         0},
    397 
    398     {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.UartSerialBus.StopBits),
    399                         AML_OFFSET (UartSerialBus.TypeSpecificFlags),
    400                         2},
    401 
    402     {ACPI_RSC_3BITFLAG, ACPI_RS_OFFSET (Data.UartSerialBus.DataBits),
    403                         AML_OFFSET (UartSerialBus.TypeSpecificFlags),
    404                         4},
    405 
    406     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.UartSerialBus.Endian),
    407                         AML_OFFSET (UartSerialBus.TypeSpecificFlags),
    408                         7},
    409 
    410     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.UartSerialBus.Parity),
    411                         AML_OFFSET (UartSerialBus.Parity),
    412                         1},
    413 
    414     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.UartSerialBus.LinesEnabled),
    415                         AML_OFFSET (UartSerialBus.LinesEnabled),
    416                         1},
    417 
    418     {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.UartSerialBus.RxFifoSize),
    419                         AML_OFFSET (UartSerialBus.RxFifoSize),
    420                         1},
    421 
    422     {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.UartSerialBus.TxFifoSize),
    423                         AML_OFFSET (UartSerialBus.TxFifoSize),
    424                         1},
    425 
    426     {ACPI_RSC_MOVE32,   ACPI_RS_OFFSET (Data.UartSerialBus.DefaultBaudRate),
    427                         AML_OFFSET (UartSerialBus.DefaultBaudRate),
    428                         1},
    429 };
    430