audk/ArmPlatformPkg/Library/HdLcd/HdLcd.h

85 lines
3.6 KiB
C

/** @file
Copyright (c) 2011-2018, ARM Ltd. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef HDLCD_H_
#define HDLCD_H_
// HDLCD Controller Register Offsets
#define HDLCD_REG_VERSION ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x000)
#define HDLCD_REG_INT_RAWSTAT ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x010)
#define HDLCD_REG_INT_CLEAR ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x014)
#define HDLCD_REG_INT_MASK ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x018)
#define HDLCD_REG_INT_STATUS ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x01C)
#define HDLCD_REG_FB_BASE ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x100)
#define HDLCD_REG_FB_LINE_LENGTH ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x104)
#define HDLCD_REG_FB_LINE_COUNT ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x108)
#define HDLCD_REG_FB_LINE_PITCH ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x10C)
#define HDLCD_REG_BUS_OPTIONS ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x110)
#define HDLCD_REG_V_SYNC ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x200)
#define HDLCD_REG_V_BACK_PORCH ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x204)
#define HDLCD_REG_V_DATA ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x208)
#define HDLCD_REG_V_FRONT_PORCH ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x20C)
#define HDLCD_REG_H_SYNC ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x210)
#define HDLCD_REG_H_BACK_PORCH ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x214)
#define HDLCD_REG_H_DATA ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x218)
#define HDLCD_REG_H_FRONT_PORCH ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x21C)
#define HDLCD_REG_POLARITIES ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x220)
#define HDLCD_REG_COMMAND ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x230)
#define HDLCD_REG_PIXEL_FORMAT ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x240)
#define HDLCD_REG_RED_SELECT ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x244)
#define HDLCD_REG_GREEN_SELECT ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x248)
#define HDLCD_REG_BLUE_SELECT ((UINTN)PcdGet32 (PcdArmHdLcdBase) + 0x24C)
// HDLCD Values of registers
// HDLCD Interrupt mask, clear and status register
#define HDLCD_DMA_END BIT0 /* DMA has finished reading a frame */
#define HDLCD_BUS_ERROR BIT1 /* DMA bus error */
#define HDLCD_SYNC BIT2 /* Vertical sync */
#define HDLCD_UNDERRUN BIT3 /* No Data available while DATAEN active */
// CLCD_CONTROL Control register
#define HDLCD_DISABLE 0
#define HDLCD_ENABLE BIT0
// Bus Options
#define HDLCD_BURST_1 BIT0
#define HDLCD_BURST_2 BIT1
#define HDLCD_BURST_4 BIT2
#define HDLCD_BURST_8 BIT3
#define HDLCD_BURST_16 BIT4
// Polarities - HIGH
#define HDLCD_VSYNC_HIGH BIT0
#define HDLCD_HSYNC_HIGH BIT1
#define HDLCD_DATEN_HIGH BIT2
#define HDLCD_DATA_HIGH BIT3
#define HDLCD_PXCLK_HIGH BIT4
// Polarities - LOW (for completion and for ease of understanding the hardware settings)
#define HDLCD_VSYNC_LOW 0
#define HDLCD_HSYNC_LOW 0
#define HDLCD_DATEN_LOW 0
#define HDLCD_DATA_LOW 0
#define HDLCD_PXCLK_LOW 0
// Default polarities
#define HDLCD_DEFAULT_POLARITIES (HDLCD_PXCLK_LOW | HDLCD_DATA_HIGH | \
HDLCD_DATEN_HIGH | HDLCD_HSYNC_LOW | \
HDLCD_VSYNC_HIGH)
// Pixel Format
#define HDLCD_LITTLE_ENDIAN (0 << 31)
#define HDLCD_BIG_ENDIAN (1 << 31)
// Number of bytes per pixel
#define HDLCD_4BYTES_PER_PIXEL ((4 - 1) << 3)
#define HDLCD_PRODUCT_ID 0x1CDC
#endif /* HDLCD_H_ */