/** @file\r
The file ontaining the helper functions implement of the Ide Bus driver\r
- \r
- Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r
+\r
+ Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
read a one-byte data from a IDE port.\r
\r
@param PciIo The PCI IO protocol instance\r
- @param Port the IDE Port number \r
+ @param Port the IDE Port number\r
\r
@return the one-byte data read from IDE port\r
**/\r
@param PciIo Pointer to the EFI_PCI_IO_PROTOCOL instance\r
@param IdeRegsBaseAddr Pointer to IDE_REGISTERS_BASE_ADDR to\r
receive IDE IO port registers' base addresses\r
- \r
+\r
@retval EFI_UNSUPPORTED return this value when the BARs is not IO type\r
@retval EFI_SUCCESS Get the Base address successfully\r
@retval other read the pci configureation data error\r
succeess.\r
\r
@param IdeDev The BLK_IO private data which specifies the IDE device\r
- \r
+\r
@retval EFI_INVALID_PARAMETER return this value when the channel is invalid\r
@retval EFI_SUCCESS reassign the IDE IO resource successfully\r
@retval other get the IDE current base address effor\r
if (IdeDev->Channel >= IdeMaxChannel) {\r
return EFI_INVALID_PARAMETER;\r
}\r
- \r
+\r
//\r
// Requery IDE IO port registers' base addresses in case of the switch of\r
// native and legacy modes\r
Detect if there is disk attached to this port\r
\r
@param IdeDev The BLK_IO private data which specifies the IDE device.\r
- \r
+\r
@retval EFI_NOT_FOUND The device or channel is not found\r
@retval EFI_SUCCESS The device is found\r
\r
Register. DRQ is cleared when the device is finished transferring data.\r
So this function is called after data transfer is finished.\r
\r
- @param IdeDev pointer pointing to IDE_BLK_IO_DEV data structure, used \r
+ @param IdeDev pointer pointing to IDE_BLK_IO_DEV data structure, used\r
to record all the information of the IDE device.\r
@param TimeoutInMilliSeconds used to designate the timeout for the DRQ clear.\r
\r
transferring data. So this function is called after data transfer\r
is finished.\r
\r
- @param IdeDev pointer pointing to IDE_BLK_IO_DEV data structure, used \r
+ @param IdeDev pointer pointing to IDE_BLK_IO_DEV data structure, used\r
to record all the information of the IDE device.\r
\r
@param TimeoutInMilliSeconds used to designate the timeout for the DRQ clear.\r
}\r
/**\r
This function is used to poll for the DRQ bit set in the Alternate Status Register.\r
- DRQ is set when the device is ready to transfer data. So this function is called after \r
+ DRQ is set when the device is ready to transfer data. So this function is called after\r
the command is sent to the device and before required data is transferred.\r
\r
- @param IdeDev pointer pointing to IDE_BLK_IO_DEV data structure, used to \r
+ @param IdeDev pointer pointing to IDE_BLK_IO_DEV data structure, used to\r
record all the information of the IDE device.\r
\r
@param TimeoutInMilliSeconds used to designate the timeout for the DRQ ready.\r
This function is used to poll for the BSY bit clear in the Status Register. BSY\r
is clear when the device is not busy. Every command must be sent after device is not busy.\r
\r
- @param IdeDev pointer pointing to IDE_BLK_IO_DEV data structure, used \r
+ @param IdeDev pointer pointing to IDE_BLK_IO_DEV data structure, used\r
to record all the information of the IDE device.\r
@param TimeoutInMilliSeconds used to designate the timeout for the DRQ ready.\r
\r
return EFI_SUCCESS;\r
}\r
/**\r
- This function is used to poll for the BSY bit clear in the Alternate Status Register. \r
- BSY is clear when the device is not busy. Every command must be sent after device is \r
+ This function is used to poll for the BSY bit clear in the Alternate Status Register.\r
+ BSY is clear when the device is not busy. Every command must be sent after device is\r
not busy.\r
\r
- @param IdeDev pointer pointing to IDE_BLK_IO_DEV data structure, used to record \r
+ @param IdeDev pointer pointing to IDE_BLK_IO_DEV data structure, used to record\r
all the information of the IDE device.\r
@param TimeoutInMilliSeconds used to designate the timeout for the DRQ ready.\r
\r
}\r
/**\r
This function is used to poll for the DRDY bit set in the Status Register. DRDY\r
- bit is set when the device is ready to accept command. Most ATA commands must be \r
+ bit is set when the device is ready to accept command. Most ATA commands must be\r
sent after DRDY set except the ATAPI Packet Command.\r
\r
@param IdeDev pointer pointing to IDE_BLK_IO_DEV data structure, used\r
return EFI_SUCCESS;\r
}\r
/**\r
- This function is used to poll for the DRDY bit set in the Alternate Status Register. \r
- DRDY bit is set when the device is ready to accept command. Most ATA commands must \r
+ This function is used to poll for the DRDY bit set in the Alternate Status Register.\r
+ DRDY bit is set when the device is ready to accept command. Most ATA commands must\r
be sent after DRDY set except the ATAPI Packet Command.\r
\r
@param IdeDev pointer pointing to IDE_BLK_IO_DEV data structure, used\r
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