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aslmapenter.c revision 1.1.1.6.2.2
      1  1.1.1.6.2.2  jdolecek /******************************************************************************
      2  1.1.1.6.2.2  jdolecek  *
      3  1.1.1.6.2.2  jdolecek  * Module Name: aslmapenter - Build resource descriptor/device maps
      4  1.1.1.6.2.2  jdolecek  *
      5  1.1.1.6.2.2  jdolecek  *****************************************************************************/
      6  1.1.1.6.2.2  jdolecek 
      7  1.1.1.6.2.2  jdolecek /*
      8  1.1.1.6.2.2  jdolecek  * Copyright (C) 2000 - 2017, Intel Corp.
      9  1.1.1.6.2.2  jdolecek  * All rights reserved.
     10  1.1.1.6.2.2  jdolecek  *
     11  1.1.1.6.2.2  jdolecek  * Redistribution and use in source and binary forms, with or without
     12  1.1.1.6.2.2  jdolecek  * modification, are permitted provided that the following conditions
     13  1.1.1.6.2.2  jdolecek  * are met:
     14  1.1.1.6.2.2  jdolecek  * 1. Redistributions of source code must retain the above copyright
     15  1.1.1.6.2.2  jdolecek  *    notice, this list of conditions, and the following disclaimer,
     16  1.1.1.6.2.2  jdolecek  *    without modification.
     17  1.1.1.6.2.2  jdolecek  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
     18  1.1.1.6.2.2  jdolecek  *    substantially similar to the "NO WARRANTY" disclaimer below
     19  1.1.1.6.2.2  jdolecek  *    ("Disclaimer") and any redistribution must be conditioned upon
     20  1.1.1.6.2.2  jdolecek  *    including a substantially similar Disclaimer requirement for further
     21  1.1.1.6.2.2  jdolecek  *    binary redistribution.
     22  1.1.1.6.2.2  jdolecek  * 3. Neither the names of the above-listed copyright holders nor the names
     23  1.1.1.6.2.2  jdolecek  *    of any contributors may be used to endorse or promote products derived
     24  1.1.1.6.2.2  jdolecek  *    from this software without specific prior written permission.
     25  1.1.1.6.2.2  jdolecek  *
     26  1.1.1.6.2.2  jdolecek  * Alternatively, this software may be distributed under the terms of the
     27  1.1.1.6.2.2  jdolecek  * GNU General Public License ("GPL") version 2 as published by the Free
     28  1.1.1.6.2.2  jdolecek  * Software Foundation.
     29  1.1.1.6.2.2  jdolecek  *
     30  1.1.1.6.2.2  jdolecek  * NO WARRANTY
     31  1.1.1.6.2.2  jdolecek  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     32  1.1.1.6.2.2  jdolecek  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     33  1.1.1.6.2.2  jdolecek  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
     34  1.1.1.6.2.2  jdolecek  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     35  1.1.1.6.2.2  jdolecek  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     36  1.1.1.6.2.2  jdolecek  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     37  1.1.1.6.2.2  jdolecek  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     38  1.1.1.6.2.2  jdolecek  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     39  1.1.1.6.2.2  jdolecek  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
     40  1.1.1.6.2.2  jdolecek  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     41  1.1.1.6.2.2  jdolecek  * POSSIBILITY OF SUCH DAMAGES.
     42  1.1.1.6.2.2  jdolecek  */
     43  1.1.1.6.2.2  jdolecek 
     44  1.1.1.6.2.2  jdolecek #include "acpi.h"
     45  1.1.1.6.2.2  jdolecek #include "accommon.h"
     46  1.1.1.6.2.2  jdolecek #include "acapps.h"
     47  1.1.1.6.2.2  jdolecek #include "aslcompiler.h"
     48  1.1.1.6.2.2  jdolecek 
     49  1.1.1.6.2.2  jdolecek /* This module used for application-level code only */
     50  1.1.1.6.2.2  jdolecek 
     51  1.1.1.6.2.2  jdolecek #define _COMPONENT          ACPI_COMPILER
     52  1.1.1.6.2.2  jdolecek         ACPI_MODULE_NAME    ("aslmapenter")
     53  1.1.1.6.2.2  jdolecek 
     54  1.1.1.6.2.2  jdolecek /* Local prototypes */
     55  1.1.1.6.2.2  jdolecek 
     56  1.1.1.6.2.2  jdolecek static ACPI_GPIO_INFO *
     57  1.1.1.6.2.2  jdolecek MpCreateGpioInfo (
     58  1.1.1.6.2.2  jdolecek     UINT16                  PinNumber,
     59  1.1.1.6.2.2  jdolecek     char                    *DeviceName);
     60  1.1.1.6.2.2  jdolecek 
     61  1.1.1.6.2.2  jdolecek static ACPI_SERIAL_INFO *
     62  1.1.1.6.2.2  jdolecek MpCreateSerialInfo (
     63  1.1.1.6.2.2  jdolecek     char                    *DeviceName,
     64  1.1.1.6.2.2  jdolecek     UINT16                  Address);
     65  1.1.1.6.2.2  jdolecek 
     66  1.1.1.6.2.2  jdolecek 
     67  1.1.1.6.2.2  jdolecek /*******************************************************************************
     68  1.1.1.6.2.2  jdolecek  *
     69  1.1.1.6.2.2  jdolecek  * FUNCTION:    MpSaveGpioInfo
     70  1.1.1.6.2.2  jdolecek  *
     71  1.1.1.6.2.2  jdolecek  * PARAMETERS:  Resource                - GPIO resource descriptor
     72  1.1.1.6.2.2  jdolecek  *              PinCount                - From GPIO descriptor
     73  1.1.1.6.2.2  jdolecek  *              PinList                 - From GPIO descriptor
     74  1.1.1.6.2.2  jdolecek  *              DeviceName              - The "ResourceSource" name
     75  1.1.1.6.2.2  jdolecek  *
     76  1.1.1.6.2.2  jdolecek  * RETURN:      None
     77  1.1.1.6.2.2  jdolecek  *
     78  1.1.1.6.2.2  jdolecek  * DESCRIPTION: External Interface.
     79  1.1.1.6.2.2  jdolecek  *              Save GPIO resource descriptor information.
     80  1.1.1.6.2.2  jdolecek  *              Creates new GPIO info blocks, one for each pin defined by the
     81  1.1.1.6.2.2  jdolecek  *              GPIO descriptor.
     82  1.1.1.6.2.2  jdolecek  *
     83  1.1.1.6.2.2  jdolecek  ******************************************************************************/
     84  1.1.1.6.2.2  jdolecek 
     85  1.1.1.6.2.2  jdolecek void
     86  1.1.1.6.2.2  jdolecek MpSaveGpioInfo (
     87  1.1.1.6.2.2  jdolecek     ACPI_PARSE_OBJECT       *Op,
     88  1.1.1.6.2.2  jdolecek     AML_RESOURCE            *Resource,
     89  1.1.1.6.2.2  jdolecek     UINT32                  PinCount,
     90  1.1.1.6.2.2  jdolecek     UINT16                  *PinList,
     91  1.1.1.6.2.2  jdolecek     char                    *DeviceName)
     92  1.1.1.6.2.2  jdolecek {
     93  1.1.1.6.2.2  jdolecek     ACPI_GPIO_INFO          *Info;
     94  1.1.1.6.2.2  jdolecek     UINT32                  i;
     95  1.1.1.6.2.2  jdolecek 
     96  1.1.1.6.2.2  jdolecek 
     97  1.1.1.6.2.2  jdolecek     /* Mapfile option enabled? */
     98  1.1.1.6.2.2  jdolecek 
     99  1.1.1.6.2.2  jdolecek     if (!Gbl_MapfileFlag)
    100  1.1.1.6.2.2  jdolecek     {
    101  1.1.1.6.2.2  jdolecek         return;
    102  1.1.1.6.2.2  jdolecek     }
    103  1.1.1.6.2.2  jdolecek 
    104  1.1.1.6.2.2  jdolecek     /* Create an info block for each pin defined in the descriptor */
    105  1.1.1.6.2.2  jdolecek 
    106  1.1.1.6.2.2  jdolecek     for (i = 0; i < PinCount; i++)
    107  1.1.1.6.2.2  jdolecek     {
    108  1.1.1.6.2.2  jdolecek         Info = MpCreateGpioInfo (PinList[i], DeviceName);
    109  1.1.1.6.2.2  jdolecek 
    110  1.1.1.6.2.2  jdolecek         Info->Op = Op;
    111  1.1.1.6.2.2  jdolecek         Info->DeviceName = DeviceName;
    112  1.1.1.6.2.2  jdolecek         Info->PinCount = PinCount;
    113  1.1.1.6.2.2  jdolecek         Info->PinIndex = i;
    114  1.1.1.6.2.2  jdolecek         Info->PinNumber = PinList[i];
    115  1.1.1.6.2.2  jdolecek         Info->Type = Resource->Gpio.ConnectionType;
    116  1.1.1.6.2.2  jdolecek         Info->Direction = (UINT8) (Resource->Gpio.IntFlags & 0x0003);       /* _IOR, for IO descriptor */
    117  1.1.1.6.2.2  jdolecek         Info->Polarity = (UINT8) ((Resource->Gpio.IntFlags >> 1) & 0x0003); /* _POL, for INT descriptor */
    118  1.1.1.6.2.2  jdolecek     }
    119  1.1.1.6.2.2  jdolecek }
    120  1.1.1.6.2.2  jdolecek 
    121  1.1.1.6.2.2  jdolecek 
    122  1.1.1.6.2.2  jdolecek /*******************************************************************************
    123  1.1.1.6.2.2  jdolecek  *
    124  1.1.1.6.2.2  jdolecek  * FUNCTION:    MpSaveSerialInfo
    125  1.1.1.6.2.2  jdolecek  *
    126  1.1.1.6.2.2  jdolecek  * PARAMETERS:  Resource                - A Serial resource descriptor
    127  1.1.1.6.2.2  jdolecek  *              DeviceName              - The "ResourceSource" name.
    128  1.1.1.6.2.2  jdolecek  *
    129  1.1.1.6.2.2  jdolecek  * RETURN:      None
    130  1.1.1.6.2.2  jdolecek  *
    131  1.1.1.6.2.2  jdolecek  * DESCRIPTION: External Interface.
    132  1.1.1.6.2.2  jdolecek  *              Save serial resource descriptor information.
    133  1.1.1.6.2.2  jdolecek  *              Creates a new serial info block.
    134  1.1.1.6.2.2  jdolecek  *
    135  1.1.1.6.2.2  jdolecek  ******************************************************************************/
    136  1.1.1.6.2.2  jdolecek 
    137  1.1.1.6.2.2  jdolecek void
    138  1.1.1.6.2.2  jdolecek MpSaveSerialInfo (
    139  1.1.1.6.2.2  jdolecek     ACPI_PARSE_OBJECT       *Op,
    140  1.1.1.6.2.2  jdolecek     AML_RESOURCE            *Resource,
    141  1.1.1.6.2.2  jdolecek     char                    *DeviceName)
    142  1.1.1.6.2.2  jdolecek {
    143  1.1.1.6.2.2  jdolecek     ACPI_SERIAL_INFO        *Info;
    144  1.1.1.6.2.2  jdolecek     UINT16                  Address;
    145  1.1.1.6.2.2  jdolecek     UINT32                  Speed;
    146  1.1.1.6.2.2  jdolecek 
    147  1.1.1.6.2.2  jdolecek 
    148  1.1.1.6.2.2  jdolecek     /* Mapfile option enabled? */
    149  1.1.1.6.2.2  jdolecek 
    150  1.1.1.6.2.2  jdolecek     if (!Gbl_MapfileFlag)
    151  1.1.1.6.2.2  jdolecek     {
    152  1.1.1.6.2.2  jdolecek         return;
    153  1.1.1.6.2.2  jdolecek     }
    154  1.1.1.6.2.2  jdolecek 
    155  1.1.1.6.2.2  jdolecek     if (Resource->DescriptorType != ACPI_RESOURCE_NAME_SERIAL_BUS)
    156  1.1.1.6.2.2  jdolecek     {
    157  1.1.1.6.2.2  jdolecek         return;
    158  1.1.1.6.2.2  jdolecek     }
    159  1.1.1.6.2.2  jdolecek 
    160  1.1.1.6.2.2  jdolecek     /* Extract address and speed from the resource descriptor */
    161  1.1.1.6.2.2  jdolecek 
    162  1.1.1.6.2.2  jdolecek     switch (Resource->CommonSerialBus.Type)
    163  1.1.1.6.2.2  jdolecek     {
    164  1.1.1.6.2.2  jdolecek     case AML_RESOURCE_I2C_SERIALBUSTYPE:
    165  1.1.1.6.2.2  jdolecek 
    166  1.1.1.6.2.2  jdolecek         Address = Resource->I2cSerialBus.SlaveAddress;
    167  1.1.1.6.2.2  jdolecek         Speed = Resource->I2cSerialBus.ConnectionSpeed;
    168  1.1.1.6.2.2  jdolecek         break;
    169  1.1.1.6.2.2  jdolecek 
    170  1.1.1.6.2.2  jdolecek     case AML_RESOURCE_SPI_SERIALBUSTYPE:
    171  1.1.1.6.2.2  jdolecek 
    172  1.1.1.6.2.2  jdolecek         Address = Resource->SpiSerialBus.DeviceSelection;
    173  1.1.1.6.2.2  jdolecek         Speed = Resource->SpiSerialBus.ConnectionSpeed;
    174  1.1.1.6.2.2  jdolecek         break;
    175  1.1.1.6.2.2  jdolecek 
    176  1.1.1.6.2.2  jdolecek     case AML_RESOURCE_UART_SERIALBUSTYPE:
    177  1.1.1.6.2.2  jdolecek 
    178  1.1.1.6.2.2  jdolecek         Address = 0;
    179  1.1.1.6.2.2  jdolecek         Speed = Resource->UartSerialBus.DefaultBaudRate;
    180  1.1.1.6.2.2  jdolecek         break;
    181  1.1.1.6.2.2  jdolecek 
    182  1.1.1.6.2.2  jdolecek     default:    /* Invalid bus subtype */
    183  1.1.1.6.2.2  jdolecek         return;
    184  1.1.1.6.2.2  jdolecek     }
    185  1.1.1.6.2.2  jdolecek 
    186  1.1.1.6.2.2  jdolecek     Info = MpCreateSerialInfo (DeviceName, Address);
    187  1.1.1.6.2.2  jdolecek 
    188  1.1.1.6.2.2  jdolecek     Info->Op = Op;
    189  1.1.1.6.2.2  jdolecek     Info->DeviceName = DeviceName;
    190  1.1.1.6.2.2  jdolecek     Info->Resource = Resource;
    191  1.1.1.6.2.2  jdolecek     Info->Address = Address;
    192  1.1.1.6.2.2  jdolecek     Info->Speed = Speed;
    193  1.1.1.6.2.2  jdolecek }
    194  1.1.1.6.2.2  jdolecek 
    195  1.1.1.6.2.2  jdolecek 
    196  1.1.1.6.2.2  jdolecek /*******************************************************************************
    197  1.1.1.6.2.2  jdolecek  *
    198  1.1.1.6.2.2  jdolecek  * FUNCTION:    MpCreateGpioInfo
    199  1.1.1.6.2.2  jdolecek  *
    200  1.1.1.6.2.2  jdolecek  * PARAMETERS:  PinNumber               - GPIO pin number
    201  1.1.1.6.2.2  jdolecek  *              DeviceName              - The "ResourceSource" name
    202  1.1.1.6.2.2  jdolecek  *
    203  1.1.1.6.2.2  jdolecek  * RETURN:      New GPIO info block.
    204  1.1.1.6.2.2  jdolecek  *
    205  1.1.1.6.2.2  jdolecek  * DESCRIPTION: Create a new GPIO info block and place it on the global list.
    206  1.1.1.6.2.2  jdolecek  *              The list is sorted by GPIO device names first, and pin numbers
    207  1.1.1.6.2.2  jdolecek  *              secondarily.
    208  1.1.1.6.2.2  jdolecek  *
    209  1.1.1.6.2.2  jdolecek  ******************************************************************************/
    210  1.1.1.6.2.2  jdolecek 
    211  1.1.1.6.2.2  jdolecek static ACPI_GPIO_INFO *
    212  1.1.1.6.2.2  jdolecek MpCreateGpioInfo (
    213  1.1.1.6.2.2  jdolecek     UINT16                  PinNumber,
    214  1.1.1.6.2.2  jdolecek     char                    *DeviceName)
    215  1.1.1.6.2.2  jdolecek {
    216  1.1.1.6.2.2  jdolecek     ACPI_GPIO_INFO          *Info;
    217  1.1.1.6.2.2  jdolecek     ACPI_GPIO_INFO          *NextGpio;
    218  1.1.1.6.2.2  jdolecek     ACPI_GPIO_INFO          *PrevGpio;
    219  1.1.1.6.2.2  jdolecek     char                    *Buffer;
    220  1.1.1.6.2.2  jdolecek 
    221  1.1.1.6.2.2  jdolecek 
    222  1.1.1.6.2.2  jdolecek     /*
    223  1.1.1.6.2.2  jdolecek      * Allocate a new info block and insert it into the global GPIO list
    224  1.1.1.6.2.2  jdolecek      * sorted by both source device name and then the pin number. There is
    225  1.1.1.6.2.2  jdolecek      * one block per pin.
    226  1.1.1.6.2.2  jdolecek      */
    227  1.1.1.6.2.2  jdolecek     Buffer = UtLocalCacheCalloc (sizeof (ACPI_GPIO_INFO));
    228  1.1.1.6.2.2  jdolecek     Info = ACPI_CAST_PTR (ACPI_GPIO_INFO, Buffer);
    229  1.1.1.6.2.2  jdolecek 
    230  1.1.1.6.2.2  jdolecek     NextGpio = Gbl_GpioList;
    231  1.1.1.6.2.2  jdolecek     PrevGpio = NULL;
    232  1.1.1.6.2.2  jdolecek     if (!Gbl_GpioList)
    233  1.1.1.6.2.2  jdolecek     {
    234  1.1.1.6.2.2  jdolecek         Gbl_GpioList = Info;
    235  1.1.1.6.2.2  jdolecek         Info->Next = NULL;
    236  1.1.1.6.2.2  jdolecek         return (Info);
    237  1.1.1.6.2.2  jdolecek     }
    238  1.1.1.6.2.2  jdolecek 
    239  1.1.1.6.2.2  jdolecek     /* Sort on source DeviceName first */
    240  1.1.1.6.2.2  jdolecek 
    241  1.1.1.6.2.2  jdolecek     while (NextGpio &&
    242  1.1.1.6.2.2  jdolecek         (strcmp (DeviceName, NextGpio->DeviceName) > 0))
    243  1.1.1.6.2.2  jdolecek     {
    244  1.1.1.6.2.2  jdolecek         PrevGpio = NextGpio;
    245  1.1.1.6.2.2  jdolecek         NextGpio = NextGpio->Next;
    246  1.1.1.6.2.2  jdolecek     }
    247  1.1.1.6.2.2  jdolecek 
    248  1.1.1.6.2.2  jdolecek     /* Now sort on the PinNumber */
    249  1.1.1.6.2.2  jdolecek 
    250  1.1.1.6.2.2  jdolecek     while (NextGpio &&
    251  1.1.1.6.2.2  jdolecek         (NextGpio->PinNumber < PinNumber) &&
    252  1.1.1.6.2.2  jdolecek         !strcmp (DeviceName, NextGpio->DeviceName))
    253  1.1.1.6.2.2  jdolecek     {
    254  1.1.1.6.2.2  jdolecek         PrevGpio = NextGpio;
    255  1.1.1.6.2.2  jdolecek         NextGpio = NextGpio->Next;
    256  1.1.1.6.2.2  jdolecek     }
    257  1.1.1.6.2.2  jdolecek 
    258  1.1.1.6.2.2  jdolecek     /* Finish the list insertion */
    259  1.1.1.6.2.2  jdolecek 
    260  1.1.1.6.2.2  jdolecek     if (PrevGpio)
    261  1.1.1.6.2.2  jdolecek     {
    262  1.1.1.6.2.2  jdolecek         PrevGpio->Next = Info;
    263  1.1.1.6.2.2  jdolecek     }
    264  1.1.1.6.2.2  jdolecek     else
    265  1.1.1.6.2.2  jdolecek     {
    266  1.1.1.6.2.2  jdolecek         Gbl_GpioList = Info;
    267  1.1.1.6.2.2  jdolecek     }
    268  1.1.1.6.2.2  jdolecek 
    269  1.1.1.6.2.2  jdolecek     Info->Next = NextGpio;
    270  1.1.1.6.2.2  jdolecek     return (Info);
    271  1.1.1.6.2.2  jdolecek }
    272  1.1.1.6.2.2  jdolecek 
    273  1.1.1.6.2.2  jdolecek 
    274  1.1.1.6.2.2  jdolecek /*******************************************************************************
    275  1.1.1.6.2.2  jdolecek  *
    276  1.1.1.6.2.2  jdolecek  * FUNCTION:    MpCreateSerialInfo
    277  1.1.1.6.2.2  jdolecek  *
    278  1.1.1.6.2.2  jdolecek  * PARAMETERS:  DeviceName              - The "ResourceSource" name.
    279  1.1.1.6.2.2  jdolecek  *              Address                 - Physical address for the device
    280  1.1.1.6.2.2  jdolecek  *
    281  1.1.1.6.2.2  jdolecek  * RETURN:      New Serial info block.
    282  1.1.1.6.2.2  jdolecek  *
    283  1.1.1.6.2.2  jdolecek  * DESCRIPTION: Create a new Serial info block and place it on the global list.
    284  1.1.1.6.2.2  jdolecek  *              The list is sorted by Serial device names first, and addresses
    285  1.1.1.6.2.2  jdolecek  *              secondarily.
    286  1.1.1.6.2.2  jdolecek  *
    287  1.1.1.6.2.2  jdolecek  ******************************************************************************/
    288  1.1.1.6.2.2  jdolecek 
    289  1.1.1.6.2.2  jdolecek static ACPI_SERIAL_INFO *
    290  1.1.1.6.2.2  jdolecek MpCreateSerialInfo (
    291  1.1.1.6.2.2  jdolecek     char                    *DeviceName,
    292  1.1.1.6.2.2  jdolecek     UINT16                  Address)
    293  1.1.1.6.2.2  jdolecek {
    294  1.1.1.6.2.2  jdolecek     ACPI_SERIAL_INFO        *Info;
    295  1.1.1.6.2.2  jdolecek     ACPI_SERIAL_INFO        *NextSerial;
    296  1.1.1.6.2.2  jdolecek     ACPI_SERIAL_INFO        *PrevSerial;
    297  1.1.1.6.2.2  jdolecek     char                    *Buffer;
    298  1.1.1.6.2.2  jdolecek 
    299  1.1.1.6.2.2  jdolecek 
    300  1.1.1.6.2.2  jdolecek     /*
    301  1.1.1.6.2.2  jdolecek      * Allocate a new info block and insert it into the global Serial list
    302  1.1.1.6.2.2  jdolecek      * sorted by both source device name and then the address.
    303  1.1.1.6.2.2  jdolecek      */
    304  1.1.1.6.2.2  jdolecek     Buffer = UtLocalCacheCalloc (sizeof (ACPI_SERIAL_INFO));
    305  1.1.1.6.2.2  jdolecek     Info = ACPI_CAST_PTR (ACPI_SERIAL_INFO, Buffer);
    306  1.1.1.6.2.2  jdolecek 
    307  1.1.1.6.2.2  jdolecek     NextSerial = Gbl_SerialList;
    308  1.1.1.6.2.2  jdolecek     PrevSerial = NULL;
    309  1.1.1.6.2.2  jdolecek     if (!Gbl_SerialList)
    310  1.1.1.6.2.2  jdolecek     {
    311  1.1.1.6.2.2  jdolecek         Gbl_SerialList = Info;
    312  1.1.1.6.2.2  jdolecek         Info->Next = NULL;
    313  1.1.1.6.2.2  jdolecek         return (Info);
    314  1.1.1.6.2.2  jdolecek     }
    315  1.1.1.6.2.2  jdolecek 
    316  1.1.1.6.2.2  jdolecek     /* Sort on source DeviceName */
    317  1.1.1.6.2.2  jdolecek 
    318  1.1.1.6.2.2  jdolecek     while (NextSerial &&
    319  1.1.1.6.2.2  jdolecek         (strcmp (DeviceName, NextSerial->DeviceName) > 0))
    320  1.1.1.6.2.2  jdolecek     {
    321  1.1.1.6.2.2  jdolecek         PrevSerial = NextSerial;
    322  1.1.1.6.2.2  jdolecek         NextSerial = NextSerial->Next;
    323  1.1.1.6.2.2  jdolecek     }
    324  1.1.1.6.2.2  jdolecek 
    325  1.1.1.6.2.2  jdolecek     /* Now sort on the Address */
    326  1.1.1.6.2.2  jdolecek 
    327  1.1.1.6.2.2  jdolecek     while (NextSerial &&
    328  1.1.1.6.2.2  jdolecek         (NextSerial->Address < Address) &&
    329  1.1.1.6.2.2  jdolecek         !strcmp (DeviceName, NextSerial->DeviceName))
    330  1.1.1.6.2.2  jdolecek     {
    331  1.1.1.6.2.2  jdolecek         PrevSerial = NextSerial;
    332  1.1.1.6.2.2  jdolecek         NextSerial = NextSerial->Next;
    333  1.1.1.6.2.2  jdolecek     }
    334  1.1.1.6.2.2  jdolecek 
    335  1.1.1.6.2.2  jdolecek     /* Finish the list insertion */
    336  1.1.1.6.2.2  jdolecek 
    337  1.1.1.6.2.2  jdolecek     if (PrevSerial)
    338  1.1.1.6.2.2  jdolecek     {
    339  1.1.1.6.2.2  jdolecek         PrevSerial->Next = Info;
    340  1.1.1.6.2.2  jdolecek     }
    341  1.1.1.6.2.2  jdolecek     else
    342  1.1.1.6.2.2  jdolecek     {
    343  1.1.1.6.2.2  jdolecek         Gbl_SerialList = Info;
    344  1.1.1.6.2.2  jdolecek     }
    345  1.1.1.6.2.2  jdolecek 
    346  1.1.1.6.2.2  jdolecek     Info->Next = NextSerial;
    347  1.1.1.6.2.2  jdolecek     return (Info);
    348  1.1.1.6.2.2  jdolecek }
    349