diff options
Diffstat (limited to 'ArmPlatformPkg/ArmRealViewEbPkg/Library/PL111LcdArmRealViewEbLib/PL111LcdArmRealViewEb.c')
| -rw-r--r-- | ArmPlatformPkg/ArmRealViewEbPkg/Library/PL111LcdArmRealViewEbLib/PL111LcdArmRealViewEb.c | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/ArmPlatformPkg/ArmRealViewEbPkg/Library/PL111LcdArmRealViewEbLib/PL111LcdArmRealViewEb.c b/ArmPlatformPkg/ArmRealViewEbPkg/Library/PL111LcdArmRealViewEbLib/PL111LcdArmRealViewEb.c new file mode 100644 index 0000000000..c4140150f8 --- /dev/null +++ b/ArmPlatformPkg/ArmRealViewEbPkg/Library/PL111LcdArmRealViewEbLib/PL111LcdArmRealViewEb.c @@ -0,0 +1,209 @@ +/** @file
+
+ Copyright (c) 2011, ARM Ltd. All rights reserved.<BR>
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <PiDxe.h>
+
+#include <Library/LcdPlatformLib.h>
+#include <Library/IoLib.h>
+#include <Library/DebugLib.h>
+
+#include <Drivers/PL111Lcd.h>
+
+#include <ArmPlatform.h>
+
+typedef struct {
+ UINT32 Mode;
+ UINT32 HorizontalResolution;
+ UINT32 VerticalResolution;
+ LCD_BPP Bpp;
+ UINT32 ClcdClk;
+
+ UINT32 HSync;
+ UINT32 HBackPorch;
+ UINT32 HFrontPorch;
+ UINT32 VSync;
+ UINT32 VBackPorch;
+ UINT32 VFrontPorch;
+} CLCD_RESOLUTION;
+
+
+CLCD_RESOLUTION mResolutions[] = {
+ { // Mode 0 : VGA : 640 x 480 x 24 bpp
+ VGA, VGA_H_RES_PIXELS, VGA_V_RES_PIXELS, LCD_BITS_PER_PIXEL_24, 0x2C77,
+ VGA_H_SYNC, VGA_H_BACK_PORCH, VGA_H_FRONT_PORCH,
+ VGA_V_SYNC, VGA_V_BACK_PORCH, VGA_V_FRONT_PORCH
+ },
+ { // Mode 1 : SVGA : 800 x 600 x 24 bpp
+ SVGA, SVGA_H_RES_PIXELS, SVGA_V_RES_PIXELS, LCD_BITS_PER_PIXEL_24, 0x2CAC,
+ SVGA_H_SYNC, SVGA_H_BACK_PORCH, SVGA_H_FRONT_PORCH,
+ SVGA_V_SYNC, SVGA_V_BACK_PORCH, SVGA_V_FRONT_PORCH
+ }
+};
+
+
+EFI_STATUS
+LcdPlatformInitializeDisplay (
+ VOID
+ )
+{
+ MmioWrite32(ARM_EB_SYS_CLCD_REG, 1);
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+LcdPlatformGetVram (
+ OUT EFI_PHYSICAL_ADDRESS* VramBaseAddress,
+ OUT UINTN* VramSize
+ )
+{
+ *VramBaseAddress = PL111_CLCD_VRAM_BASE;
+ *VramSize = SIZE_8MB; //FIXME: Can this size change ?
+ return EFI_SUCCESS;
+}
+
+UINT32
+LcdPlatformGetMaxMode (
+ VOID
+ )
+{
+ return (sizeof(mResolutions) / sizeof(CLCD_RESOLUTION));
+}
+
+EFI_STATUS
+LcdPlatformSetMode (
+ IN UINT32 ModeNumber
+ )
+{
+ if (ModeNumber >= LcdPlatformGetMaxMode ()) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ MmioWrite32(ARM_EB_SYS_LOCK_REG,0x0000A05F);
+ MmioWrite32(ARM_EB_SYS_OSC4_REG,mResolutions[ModeNumber].ClcdClk);
+ MmioWrite32(ARM_EB_SYS_LOCK_REG,0x0);
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+LcdPlatformQueryMode (
+ IN UINT32 ModeNumber,
+ OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info
+ )
+{
+ EFI_STATUS Status;
+
+ if (ModeNumber >= LcdPlatformGetMaxMode ()) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Status = EFI_UNSUPPORTED;
+
+ Info->Version = 0;
+ Info->HorizontalResolution = mResolutions[ModeNumber].HorizontalResolution;
+ Info->VerticalResolution = mResolutions[ModeNumber].VerticalResolution;
+ Info->PixelsPerScanLine = mResolutions[ModeNumber].HorizontalResolution;
+
+ switch (mResolutions[ModeNumber].Bpp) {
+ case LCD_BITS_PER_PIXEL_24:
+ Info->PixelFormat = PixelRedGreenBlueReserved8BitPerColor;
+ Info->PixelInformation.RedMask = LCD_24BPP_RED_MASK;
+ Info->PixelInformation.GreenMask = LCD_24BPP_GREEN_MASK;
+ Info->PixelInformation.BlueMask = LCD_24BPP_BLUE_MASK;
+ Info->PixelInformation.ReservedMask = LCD_24BPP_RESERVED_MASK;
+ Status = EFI_SUCCESS;
+ break;
+
+ case LCD_BITS_PER_PIXEL_16_555:
+ Info->PixelFormat = PixelBitMask;
+ Info->PixelInformation.RedMask = LCD_16BPP_555_RED_MASK;
+ Info->PixelInformation.GreenMask = LCD_16BPP_555_GREEN_MASK;
+ Info->PixelInformation.BlueMask = LCD_16BPP_555_BLUE_MASK;
+ Info->PixelInformation.ReservedMask = LCD_16BPP_555_RESERVED_MASK;
+ Status = EFI_SUCCESS;
+ break;
+
+ case LCD_BITS_PER_PIXEL_16_565:
+ Info->PixelFormat = PixelBitMask;
+ Info->PixelInformation.RedMask = LCD_16BPP_565_RED_MASK;
+ Info->PixelInformation.GreenMask = LCD_16BPP_565_GREEN_MASK;
+ Info->PixelInformation.BlueMask = LCD_16BPP_565_BLUE_MASK;
+ Info->PixelInformation.ReservedMask = LCD_16BPP_565_RESERVED_MASK;
+ Status = EFI_SUCCESS;
+ break;
+
+ case LCD_BITS_PER_PIXEL_12_444:
+ Info->PixelFormat = PixelBitMask;
+ Info->PixelInformation.RedMask = LCD_12BPP_444_RED_MASK;
+ Info->PixelInformation.GreenMask = LCD_12BPP_444_GREEN_MASK;
+ Info->PixelInformation.BlueMask = LCD_12BPP_444_BLUE_MASK;
+ Info->PixelInformation.ReservedMask = LCD_12BPP_444_RESERVED_MASK;
+ Status = EFI_SUCCESS;
+ break;
+
+ case LCD_BITS_PER_PIXEL_8:
+ case LCD_BITS_PER_PIXEL_4:
+ case LCD_BITS_PER_PIXEL_2:
+ case LCD_BITS_PER_PIXEL_1:
+ default:
+ // These are not supported
+ break;
+ }
+
+ return Status;
+}
+
+EFI_STATUS
+LcdPlatformGetTimings (
+ IN UINT32 ModeNumber,
+ OUT UINT32* HRes,
+ OUT UINT32* HSync,
+ OUT UINT32* HBackPorch,
+ OUT UINT32* HFrontPorch,
+ OUT UINT32* VRes,
+ OUT UINT32* VSync,
+ OUT UINT32* VBackPorch,
+ OUT UINT32* VFrontPorch
+ )
+{
+ if (ModeNumber >= LcdPlatformGetMaxMode ()) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ *HRes = mResolutions[ModeNumber].HorizontalResolution;
+ *HSync = mResolutions[ModeNumber].HSync;
+ *HBackPorch = mResolutions[ModeNumber].HBackPorch;
+ *HFrontPorch = mResolutions[ModeNumber].HFrontPorch;
+ *VRes = mResolutions[ModeNumber].VerticalResolution;
+ *VSync = mResolutions[ModeNumber].VSync;
+ *VBackPorch = mResolutions[ModeNumber].VBackPorch;
+ *VFrontPorch = mResolutions[ModeNumber].VFrontPorch;
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+LcdPlatformGetBpp (
+ IN UINT32 ModeNumber,
+ OUT LCD_BPP * Bpp
+ )
+{
+ if (ModeNumber >= LcdPlatformGetMaxMode ()) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ *Bpp = mResolutions[ModeNumber].Bpp;
+
+ return EFI_SUCCESS;
+}
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