Fix the comments to follow UEFI Spec regarding how to check an EFI_HANDLE is valid...

[mirror_edk2.git] / OptionRomPkg / CirrusLogic5430Dxe / CirrusLogic5430.h

diff --git a/OptionRomPkg/CirrusLogic5430Dxe/CirrusLogic5430.h b/OptionRomPkg/CirrusLogic5430Dxe/CirrusLogic5430.h
index 93abd523d251f27c843eb18b57cc7bdebf228a24..5080de578e6f4573861be47ea0e5d60770925219 100644 (file)
--- a/OptionRomPkg/CirrusLogic5430Dxe/CirrusLogic5430.h
+++ b/OptionRomPkg/CirrusLogic5430Dxe/CirrusLogic5430.h
@@ -1,8 +1,8 @@
 /** @file\r
   Cirrus Logic 5430 Controller Driver\r
 \r
-  Copyright (c) 2006 - 2007, Intel Corporation\r
-  All rights reserved. This program and the accompanying materials\r
+  Copyright (c) 2006 - 2011, 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
   http://opensource.org/licenses/bsd-license.php\r
@@ -40,7 +40,7 @@
 #include <Library/DevicePathLib.h>\r
 #include <Library/TimerLib.h>\r
 \r
-#include <IndustryStandard/Pci22.h>\r
+#include <IndustryStandard/Pci.h>\r
 //\r
 // Cirrus Logic 5430 PCI Configuration Header values\r
 //\r
@@ -62,6 +62,24 @@ typedef struct {
   UINT32  RefreshRate;\r
 } CIRRUS_LOGIC_5430_MODE_DATA;\r
 \r
+#define PIXEL_RED_SHIFT   0\r
+#define PIXEL_GREEN_SHIFT 3\r
+#define PIXEL_BLUE_SHIFT  6\r
+\r
+#define PIXEL_RED_MASK    (BIT7 | BIT6 | BIT5)\r
+#define PIXEL_GREEN_MASK  (BIT4 | BIT3 | BIT2)\r
+#define PIXEL_BLUE_MASK   (BIT1 | BIT0)\r
+\r
+#define PIXEL_TO_COLOR_BYTE(pixel, mask, shift) ((UINT8) ((pixel & mask) << shift))\r
+#define PIXEL_TO_RED_BYTE(pixel) PIXEL_TO_COLOR_BYTE(pixel, PIXEL_RED_MASK, PIXEL_RED_SHIFT)\r
+#define PIXEL_TO_GREEN_BYTE(pixel) PIXEL_TO_COLOR_BYTE(pixel, PIXEL_GREEN_MASK, PIXEL_GREEN_SHIFT)\r
+#define PIXEL_TO_BLUE_BYTE(pixel) PIXEL_TO_COLOR_BYTE(pixel, PIXEL_BLUE_MASK, PIXEL_BLUE_SHIFT)\r
+\r
+#define RGB_BYTES_TO_PIXEL(Red, Green, Blue) \\r
+  (UINT8) ( (((Red) >> PIXEL_RED_SHIFT) & PIXEL_RED_MASK) | \\r
+            (((Green) >> PIXEL_GREEN_SHIFT) & PIXEL_GREEN_MASK) | \\r
+            (((Blue) >> PIXEL_BLUE_SHIFT) & PIXEL_BLUE_MASK) )\r
+\r
 #define GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER  0xffff\r
 \r
 //\r
@@ -328,7 +346,7 @@ CirrusLogic5430ComponentNameGetDriverName (
                                 driver specified by This was returned in\r
                                 DriverName.\r
 \r
-  @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.\r
+  @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.\r
 \r
   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid\r
                                 EFI_HANDLE.\r