Omap35xxPkg SerialPortLib: Implement Get(Set)Control/SetAttributes

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18969 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/Omap35xxPkg/Library/SerialPortLib/SerialPortLib.c b/Omap35xxPkg/Library/SerialPortLib/SerialPortLib.c
index 58f70d5512fb8052ef4c1c653fb88cbd43bc32fa..7ac12c729f5739b5ced548d3a66147cbefda10ed 100644 (file)
--- a/Omap35xxPkg/Library/SerialPortLib/SerialPortLib.c
+++ b/Omap35xxPkg/Library/SerialPortLib/SerialPortLib.c
@@ -3,6 +3,7 @@
 \r
 \r
   Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
+  Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>\r
 \r
   This program and the accompanying materials\r
   are licensed and made available under the terms and conditions of the BSD License\r
@@ -122,3 +123,92 @@ SerialPortPoll (
   }\r
 }\r
 \r
+/**\r
+  Sets the control bits on a serial device.\r
+\r
+  @param[in] Control            Sets the bits of Control that are settable.\r
+\r
+  @retval RETURN_SUCCESS        The new control bits were set on the serial device.\r
+  @retval RETURN_UNSUPPORTED    The serial device does not support this operation.\r
+  @retval RETURN_DEVICE_ERROR   The serial device is not functioning correctly.\r
+\r
+**/\r
+RETURN_STATUS\r
+EFIAPI\r
+SerialPortSetControl (\r
+  IN UINT32 Control\r
+  )\r
+{\r
+  return RETURN_UNSUPPORTED;\r
+}\r
+\r
+/**\r
+  Retrieve the status of the control bits on a serial device.\r
+\r
+  @param[out] Control           A pointer to return the current control signals from the serial device.\r
+\r
+  @retval RETURN_SUCCESS        The control bits were read from the serial device.\r
+  @retval RETURN_UNSUPPORTED    The serial device does not support this operation.\r
+  @retval RETURN_DEVICE_ERROR   The serial device is not functioning correctly.\r
+\r
+**/\r
+RETURN_STATUS\r
+EFIAPI\r
+SerialPortGetControl (\r
+  OUT UINT32 *Control\r
+  )\r
+{\r
+  *Control = 0;\r
+  if (!SerialPortPoll ()) {\r
+    *Control = EFI_SERIAL_INPUT_BUFFER_EMPTY;\r
+  }\r
+  return RETURN_SUCCESS;\r
+}\r
+\r
+/**\r
+  Sets the baud rate, receive FIFO depth, transmit/receice time out, parity,\r
+  data bits, and stop bits on a serial device.\r
+\r
+  @param BaudRate           The requested baud rate. A BaudRate value of 0 will use the\r
+                            device's default interface speed.\r
+                            On output, the value actually set.\r
+  @param ReveiveFifoDepth   The requested depth of the FIFO on the receive side of the\r
+                            serial interface. A ReceiveFifoDepth value of 0 will use\r
+                            the device's default FIFO depth.\r
+                            On output, the value actually set.\r
+  @param Timeout            The requested time out for a single character in microseconds.\r
+                            This timeout applies to both the transmit and receive side of the\r
+                            interface. A Timeout value of 0 will use the device's default time\r
+                            out value.\r
+                            On output, the value actually set.\r
+  @param Parity             The type of parity to use on this serial device. A Parity value of\r
+                            DefaultParity will use the device's default parity value.\r
+                            On output, the value actually set.\r
+  @param DataBits           The number of data bits to use on the serial device. A DataBits\r
+                            vaule of 0 will use the device's default data bit setting.\r
+                            On output, the value actually set.\r
+  @param StopBits           The number of stop bits to use on this serial device. A StopBits\r
+                            value of DefaultStopBits will use the device's default number of\r
+                            stop bits.\r
+                            On output, the value actually set.\r
+\r
+  @retval RETURN_SUCCESS            The new attributes were set on the serial device.\r
+  @retval RETURN_UNSUPPORTED        The serial device does not support this operation.\r
+  @retval RETURN_INVALID_PARAMETER  One or more of the attributes has an unsupported value.\r
+  @retval RETURN_DEVICE_ERROR       The serial device is not functioning correctly.\r
+\r
+**/\r
+RETURN_STATUS\r
+EFIAPI\r
+SerialPortSetAttributes (\r
+  IN OUT UINT64             *BaudRate,\r
+  IN OUT UINT32             *ReceiveFifoDepth,\r
+  IN OUT UINT32             *Timeout,\r
+  IN OUT EFI_PARITY_TYPE    *Parity,\r
+  IN OUT UINT8              *DataBits,\r
+  IN OUT EFI_STOP_BITS_TYPE *StopBits\r
+  )\r
+{\r
+  return RETURN_UNSUPPORTED;\r
+}\r
+\r