ArmPlatformPkg: Tidy Lcd code: Coding standard

[mirror_edk2.git] / ArmPlatformPkg / Library / HdLcd / HdLcd.h

diff --git a/ArmPlatformPkg/Library/HdLcd/HdLcd.h b/ArmPlatformPkg/Library/HdLcd/HdLcd.h
index 6df97a9dfee60e9fda615cf3bea1b6a164a42333..cd2c0366c7b563d7fb313f82abeef7eb1aa3ef72 100644 (file)
--- a/ArmPlatformPkg/Library/HdLcd/HdLcd.h
+++ b/ArmPlatformPkg/Library/HdLcd/HdLcd.h
@@ -1,6 +1,6 @@
-/** @file  HDLcd.h\r
+/** @file\r
 \r
- Copyright (c) 2011-2012, ARM Ltd. All rights reserved.<BR>\r
+ Copyright (c) 2011-2018, ARM Ltd. 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
@@ -12,13 +12,10 @@
 \r
  **/\r
 \r
-#ifndef _HDLCD_H_\r
-#define _HDLCD_H_\r
+#ifndef HDLCD_H_\r
+#define HDLCD_H_\r
 \r
-//\r
 // HDLCD Controller Register Offsets\r
-//\r
-\r
 #define HDLCD_REG_VERSION                 ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x000)\r
 #define HDLCD_REG_INT_RAWSTAT             ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x010)\r
 #define HDLCD_REG_INT_CLEAR               ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x014)\r
@@ -44,10 +41,7 @@
 #define HDLCD_REG_GREEN_SELECT            ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x248)\r
 #define HDLCD_REG_BLUE_SELECT             ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x24C)\r
 \r
-\r
-//\r
 // HDLCD Values of registers\r
-//\r
 \r
 // HDLCD Interrupt mask, clear and status register\r
 #define HDLCD_DMA_END                     BIT0    /* DMA has finished reading a frame */\r
@@ -79,6 +73,11 @@
 #define HDLCD_DATA_LOW                    0\r
 #define HDLCD_PXCLK_LOW                   0\r
 \r
+// Default polarities\r
+#define HDLCD_DEFAULT_POLARITIES   (HDLCD_PXCLK_LOW | HDLCD_DATA_HIGH |       \\r
+                                    HDLCD_DATEN_HIGH | HDLCD_HSYNC_LOW |      \\r
+                                    HDLCD_VSYNC_HIGH)\r
+\r
 // Pixel Format\r
 #define HDLCD_LITTLE_ENDIAN              (0 << 31)\r
 #define HDLCD_BIG_ENDIAN                 (1 << 31)\r
@@ -86,4 +85,4 @@
 // Number of bytes per pixel\r
 #define HDLCD_4BYTES_PER_PIXEL           ((4 - 1) << 3)\r
 \r
-#endif /* _HDLCD_H_ */\r
+#endif /* HDLCD_H_ */\r