From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=217.140.96.140; helo=cam-smtp0.cambridge.arm.com; envelope-from=evan.lloyd@arm.com; receiver=edk2-devel@lists.01.org Received: from cam-smtp0.cambridge.arm.com (fw-tnat.cambridge.arm.com [217.140.96.140]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 2A48D22225C15 for ; Fri, 22 Dec 2017 10:29:36 -0800 (PST) Received: from E111747.Emea.Arm.com (e111747.emea.arm.com [10.1.25.75]) by cam-smtp0.cambridge.arm.com (8.13.8/8.13.8) with ESMTP id vBMIYOYW007680; Fri, 22 Dec 2017 18:34:24 GMT From: evan.lloyd@arm.com To: edk2-devel@lists.01.org Cc: "ard.biesheuvel@linaro.org"@arm.com, "leif.lindholm@linaro.org"@arm.com, "Matteo.Carlini@arm.com"@arm.com, "nd@arm.com"@arm.com Date: Fri, 22 Dec 2017 18:34:06 +0000 Message-Id: <20171222183418.8616-2-evan.lloyd@arm.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20171222183418.8616-1-evan.lloyd@arm.com> References: <20171222183418.8616-1-evan.lloyd@arm.com> Subject: [PATCH v2 01/13] ArmPlatformPkg: Tidy Lcd code: Coding standard X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 22 Dec 2017 18:29:39 -0000 From: Girish Pathak There is no functional modification in this change As preparation for further work, the formatting is corrected to meet the EDKII coding standard. Of specific note, some invalid include guards were fixed. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Girish Pathak Signed-off-by: Evan Lloyd --- ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.h | 10 +- ArmPlatformPkg/Include/Library/LcdPlatformLib.h | 14 +- ArmPlatformPkg/Library/HdLcd/HdLcd.h | 21 ++- ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.c | 187 +++++++++++--------- ArmPlatformPkg/Library/HdLcd/HdLcd.c | 96 +++++----- ArmPlatformPkg/Library/PL111Lcd/PL111Lcd.c | 72 ++++---- 6 files changed, 212 insertions(+), 188 deletions(-) diff --git a/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.h b/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.h index b66efd34561f655b74a5ecfad8a97281cdd5929d..2b001b107927fc75317ce39d370049d7740953a8 100644 --- a/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.h +++ b/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.h @@ -1,6 +1,6 @@ /** @file - Copyright (c) 2011, ARM Ltd. All rights reserved.
+ Copyright (c) 2011-2017, ARM Ltd. All rights reserved.
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 @@ -11,9 +11,8 @@ **/ -#ifndef __ARM_VE_GRAPHICS_DXE_H__ -#define __ARM_VE_GRAPHICS_DXE_H__ - +#ifndef LCD_GRAPHICS_OUTPUT_DXE_H_ +#define LCD_GRAPHICS_OUTPUT_DXE_H_ #include @@ -25,7 +24,6 @@ #include - // // Device structures // @@ -106,4 +104,4 @@ InitializeDisplay ( IN LCD_INSTANCE* Instance ); -#endif /* __ARM_VE_GRAPHICS_DXE_H__ */ +#endif /* LCD_GRAPHICS_OUTPUT_DXE_H_ */ diff --git a/ArmPlatformPkg/Include/Library/LcdPlatformLib.h b/ArmPlatformPkg/Include/Library/LcdPlatformLib.h index b9bdf471e2d65dba7a0fcb0f7ecc352bd576b46b..b9316ec8de8425a83e2f627f5c24821ff9a2f750 100644 --- a/ArmPlatformPkg/Include/Library/LcdPlatformLib.h +++ b/ArmPlatformPkg/Include/Library/LcdPlatformLib.h @@ -1,6 +1,6 @@ /** @file - Copyright (c) 2011, ARM Ltd. All rights reserved.
+ Copyright (c) 2011-2017, ARM Ltd. All rights reserved.
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 @@ -11,8 +11,8 @@ **/ -#ifndef __LCDPLATFORMLIB_H -#define __LCDPLATFORMLIB_H +#ifndef LCD_PLATFORM_LIB_H_ +#define LCD_PLATFORM_LIB_H_ #include @@ -158,8 +158,9 @@ #define LCD_12BPP_444_BLUE_MASK 0x0000000F #define LCD_12BPP_444_RESERVED_MASK 0x0000F000 - -// The enumeration indexes maps the PL111 LcdBpp values used in the LCD Control Register +/** The enumeration indexes maps the PL111 LcdBpp values used in the LCD Control + Register +**/ typedef enum { LCD_BITS_PER_PIXEL_1 = 0, LCD_BITS_PER_PIXEL_2, @@ -171,7 +172,6 @@ typedef enum { LCD_BITS_PER_PIXEL_12_444 } LCD_BPP; - EFI_STATUS LcdPlatformInitializeDisplay ( IN EFI_HANDLE Handle @@ -218,4 +218,4 @@ LcdPlatformGetBpp ( OUT LCD_BPP* Bpp ); -#endif +#endif /* LCD_PLATFORM_LIB_H_ */ diff --git a/ArmPlatformPkg/Library/HdLcd/HdLcd.h b/ArmPlatformPkg/Library/HdLcd/HdLcd.h index 6df97a9dfee60e9fda615cf3bea1b6a164a42333..861d3c398f7d6b9a171b4d8718c2816419d8e20a 100644 --- a/ArmPlatformPkg/Library/HdLcd/HdLcd.h +++ b/ArmPlatformPkg/Library/HdLcd/HdLcd.h @@ -1,6 +1,6 @@ -/** @file HDLcd.h +/** @file - Copyright (c) 2011-2012, ARM Ltd. All rights reserved.
+ Copyright (c) 2011-2017, ARM Ltd. All rights reserved.
This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License @@ -12,13 +12,10 @@ **/ -#ifndef _HDLCD_H_ -#define _HDLCD_H_ +#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) @@ -44,10 +41,7 @@ #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 */ @@ -79,6 +73,11 @@ #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) @@ -86,4 +85,4 @@ // Number of bytes per pixel #define HDLCD_4BYTES_PER_PIXEL ((4 - 1) << 3) -#endif /* _HDLCD_H_ */ +#endif /* HDLCD_H_ */ diff --git a/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.c b/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.c index b721061fc1df5695092e8c71da97ae0b9af46b3f..948e5692c943cdf62a10f4e6290470d3ccd334f1 100644 --- a/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.c +++ b/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/LcdGraphicsOutputDxe.c @@ -1,6 +1,6 @@ /** @file - Copyright (c) 2011-2014, ARM Ltd. All rights reserved.
+ Copyright (c) 2011-2017, ARM Ltd. All rights reserved.
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 @@ -9,7 +9,7 @@ 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 #include @@ -22,12 +22,10 @@ #include "LcdGraphicsOutputDxe.h" -/********************************************************************** - * - * This file implements the Graphics Output protocol on ArmVersatileExpress - * using the Lcd controller - * - **********************************************************************/ +/** This file implements the Graphics Output protocol on ArmVersatileExpress + using the Lcd controller + +**/ // // Global variables @@ -64,7 +62,10 @@ LCD_INSTANCE mLcdTemplate = { { { HARDWARE_DEVICE_PATH, HW_VENDOR_DP, - { (UINT8) (sizeof(VENDOR_DEVICE_PATH)), (UINT8) ((sizeof(VENDOR_DEVICE_PATH)) >> 8) }, + { + (UINT8)(sizeof (VENDOR_DEVICE_PATH)), + (UINT8)((sizeof (VENDOR_DEVICE_PATH)) >> 8) + }, }, // Hardware Device Path for Lcd EFI_CALLER_ID_GUID // Use the driver's GUID @@ -73,10 +74,13 @@ LCD_INSTANCE mLcdTemplate = { { END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE, - { sizeof(EFI_DEVICE_PATH_PROTOCOL), 0 } + { + sizeof (EFI_DEVICE_PATH_PROTOCOL), + 0 + } } }, - (EFI_EVENT) NULL // ExitBootServicesEvent + (EFI_EVENT)NULL // ExitBootServicesEvent }; EFI_STATUS @@ -86,7 +90,7 @@ LcdInstanceContructor ( { LCD_INSTANCE* Instance; - Instance = AllocateCopyPool (sizeof(LCD_INSTANCE), &mLcdTemplate); + Instance = AllocateCopyPool (sizeof (LCD_INSTANCE), &mLcdTemplate); if (Instance == NULL) { return EFI_OUT_OF_RESOURCES; } @@ -113,23 +117,23 @@ InitializeDisplay ( UINTN VramSize; Status = LcdPlatformGetVram (&VramBaseAddress, &VramSize); - if (EFI_ERROR(Status)) { + if (EFI_ERROR (Status)) { return Status; } // Setup the LCD Status = LcdInitialize (VramBaseAddress); - if (EFI_ERROR(Status)) { + if (EFI_ERROR (Status)) { goto EXIT_ERROR_LCD_SHUTDOWN; } Status = LcdPlatformInitializeDisplay (Instance->Handle); - if (EFI_ERROR(Status)) { + if (EFI_ERROR (Status)) { goto EXIT_ERROR_LCD_SHUTDOWN; } // Setup all the relevant mode information - Instance->Gop.Mode->SizeOfInfo = sizeof(EFI_GRAPHICS_OUTPUT_MODE_INFORMATION); + Instance->Gop.Mode->SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION); Instance->Gop.Mode->FrameBufferBase = VramBaseAddress; // Set the flag before changing the mode, to avoid infinite loops @@ -139,7 +143,8 @@ InitializeDisplay ( goto EXIT; EXIT_ERROR_LCD_SHUTDOWN: - DEBUG((DEBUG_ERROR, "InitializeDisplay: ERROR - Can not initialise the display. Exit Status=%r\n", Status)); + DEBUG ((DEBUG_ERROR, "InitializeDisplay: ERROR - Can not initialise the display. Exit Status=%r\n", Status)); + LcdShutdown (); EXIT: @@ -157,40 +162,44 @@ LcdGraphicsOutputDxeInitialize ( LCD_INSTANCE* Instance; Status = LcdIdentify (); - if (EFI_ERROR(Status)) { + if (EFI_ERROR (Status)) { goto EXIT; } Status = LcdInstanceContructor (&Instance); - if (EFI_ERROR(Status)) { + if (EFI_ERROR (Status)) { goto EXIT; } // Install the Graphics Output Protocol and the Device Path - Status = gBS->InstallMultipleProtocolInterfaces( - &Instance->Handle, - &gEfiGraphicsOutputProtocolGuid, &Instance->Gop, - &gEfiDevicePathProtocolGuid, &Instance->DevicePath, - NULL - ); + Status = gBS->InstallMultipleProtocolInterfaces ( + &Instance->Handle, + &gEfiGraphicsOutputProtocolGuid, + &Instance->Gop, + &gEfiDevicePathProtocolGuid, + &Instance->DevicePath, + NULL + ); - if (EFI_ERROR(Status)) { - DEBUG((DEBUG_ERROR, "GraphicsOutputDxeInitialize: Can not install the protocol. Exit Status=%r\n", Status)); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "LcdGraphicsOutputDxeInitialize: Can not install the protocol. Exit Status=%r\n", Status)); goto EXIT; } // Register for an ExitBootServicesEvent - // When ExitBootServices starts, this function here will make sure that the graphics driver will shut down properly, - // i.e. it will free up all allocated memory and perform any necessary hardware re-configuration. + // When ExitBootServices starts, this function will make sure that the + // graphics driver shuts down properly, i.e. it will free up all + // allocated memory and perform any necessary hardware re-configuration. Status = gBS->CreateEvent ( - EVT_SIGNAL_EXIT_BOOT_SERVICES, - TPL_NOTIFY, - LcdGraphicsExitBootServicesEvent, NULL, - &Instance->ExitBootServicesEvent - ); + EVT_SIGNAL_EXIT_BOOT_SERVICES, + TPL_NOTIFY, + LcdGraphicsExitBootServicesEvent, + NULL, + &Instance->ExitBootServicesEvent + ); - if (EFI_ERROR(Status)) { - DEBUG((DEBUG_ERROR, "GraphicsOutputDxeInitialize: Can not install the ExitBootServicesEvent handler. Exit Status=%r\n", Status)); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "LcdGraphicsOutputDxeInitialize: Can not install the ExitBootServicesEvent handler. Exit Status=%r\n", Status)); goto EXIT_ERROR_UNINSTALL_PROTOCOL; } @@ -198,48 +207,46 @@ LcdGraphicsOutputDxeInitialize ( goto EXIT; EXIT_ERROR_UNINSTALL_PROTOCOL: - /* The following function could return an error message, - * however, to get here something must have gone wrong already, - * so preserve the original error, i.e. don't change - * the Status variable, even it fails to uninstall the protocol. - */ + // The following function could return an error message, + // however, to get here something must have gone wrong already, + // so preserve the original error, i.e. don't change + // the Status variable, even it fails to uninstall the protocol. gBS->UninstallMultipleProtocolInterfaces ( - Instance->Handle, - &gEfiGraphicsOutputProtocolGuid, &Instance->Gop, // Uninstall Graphics Output protocol - &gEfiDevicePathProtocolGuid, &Instance->DevicePath, // Uninstall device path - NULL - ); + Instance->Handle, + &gEfiGraphicsOutputProtocolGuid, + &Instance->Gop, // Uninstall Graphics Output protocol + &gEfiDevicePathProtocolGuid, + &Instance->DevicePath, // Uninstall device path + NULL + ); EXIT: return Status; - } -/*************************************** - * This function should be called - * on Event: ExitBootServices - * to free up memory, stop the driver - * and uninstall the protocols - ***************************************/ +/** This function should be called + on Event: ExitBootServices + to free up memory, stop the driver + and uninstall the protocols +**/ VOID LcdGraphicsExitBootServicesEvent ( IN EFI_EVENT Event, IN VOID *Context ) { - // By default, this PCD is FALSE. But if a platform starts a predefined OS that - // does not use a framebuffer then we might want to disable the display controller - // to avoid to display corrupted information on the screen. + // By default, this PCD is FALSE. But if a platform starts a predefined OS + // that does not use a framebuffer then we might want to disable the display + // controller to avoid to display corrupted information on the screen. if (FeaturePcdGet (PcdGopDisableOnExitBootServices)) { // Turn-off the Display controller LcdShutdown (); } } -/*************************************** - * GraphicsOutput Protocol function, mapping to - * EFI_GRAPHICS_OUTPUT_PROTOCOL.QueryMode - ***************************************/ +/** GraphicsOutput Protocol function, mapping to + EFI_GRAPHICS_OUTPUT_PROTOCOL.QueryMode +**/ EFI_STATUS EFIAPI LcdGraphicsQueryMode ( @@ -252,19 +259,22 @@ LcdGraphicsQueryMode ( EFI_STATUS Status = EFI_SUCCESS; LCD_INSTANCE *Instance; - Instance = LCD_INSTANCE_FROM_GOP_THIS(This); + Instance = LCD_INSTANCE_FROM_GOP_THIS (This); // Setup the hardware if not already done - if( !mDisplayInitialized ) { - Status = InitializeDisplay(Instance); - if (EFI_ERROR(Status)) { + if (!mDisplayInitialized) { + Status = InitializeDisplay (Instance); + if (EFI_ERROR (Status)) { goto EXIT; } } // Error checking - if ( (This == NULL) || (Info == NULL) || (SizeOfInfo == NULL) || (ModeNumber >= This->Mode->MaxMode) ) { - DEBUG((DEBUG_ERROR, "LcdGraphicsQueryMode: ERROR - For mode number %d : Invalid Parameter.\n", ModeNumber )); + if ((This == NULL) + || (Info == NULL) + || (SizeOfInfo == NULL) + || (ModeNumber >= This->Mode->MaxMode)) { + DEBUG ((DEBUG_ERROR, "LcdGraphicsQueryMode: ERROR - For mode number %d : Invalid Parameter.\n", ModeNumber)); Status = EFI_INVALID_PARAMETER; goto EXIT; } @@ -275,21 +285,20 @@ LcdGraphicsQueryMode ( goto EXIT; } - *SizeOfInfo = sizeof( EFI_GRAPHICS_OUTPUT_MODE_INFORMATION); + *SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION); - Status = LcdPlatformQueryMode (ModeNumber,*Info); - if (EFI_ERROR(Status)) { - FreePool(*Info); + Status = LcdPlatformQueryMode (ModeNumber, *Info); + if (EFI_ERROR (Status)) { + FreePool (*Info); } EXIT: return Status; } -/*************************************** - * GraphicsOutput Protocol function, mapping to - * EFI_GRAPHICS_OUTPUT_PROTOCOL.SetMode - ***************************************/ +/** GraphicsOutput Protocol function, mapping to + EFI_GRAPHICS_OUTPUT_PROTOCOL.SetMode +**/ EFI_STATUS EFIAPI LcdGraphicsSetMode ( @@ -305,47 +314,48 @@ LcdGraphicsSetMode ( Instance = LCD_INSTANCE_FROM_GOP_THIS (This); // Setup the hardware if not already done - if(!mDisplayInitialized) { + if (!mDisplayInitialized) { Status = InitializeDisplay (Instance); - if (EFI_ERROR(Status)) { + if (EFI_ERROR (Status)) { goto EXIT; } } // Check if this mode is supported - if( ModeNumber >= This->Mode->MaxMode ) { - DEBUG((DEBUG_ERROR, "LcdGraphicsSetMode: ERROR - Unsupported mode number %d .\n", ModeNumber )); + if (ModeNumber >= This->Mode->MaxMode) { + DEBUG ((DEBUG_ERROR, "LcdGraphicsSetMode: ERROR - Unsupported mode number %d .\n", ModeNumber)); Status = EFI_UNSUPPORTED; goto EXIT; } // Set the oscillator frequency to support the new mode Status = LcdPlatformSetMode (ModeNumber); - if (EFI_ERROR(Status)) { + if (EFI_ERROR (Status)) { Status = EFI_DEVICE_ERROR; goto EXIT; } // Update the UEFI mode information This->Mode->Mode = ModeNumber; - LcdPlatformQueryMode (ModeNumber,&Instance->ModeInfo); - Status = LcdPlatformGetBpp(ModeNumber, &Bpp); - if (EFI_ERROR(Status)) { + LcdPlatformQueryMode (ModeNumber, &Instance->ModeInfo); + Status = LcdPlatformGetBpp (ModeNumber, &Bpp); + if (EFI_ERROR (Status)) { DEBUG ((DEBUG_ERROR, "LcdGraphicsSetMode: ERROR - Couldn't get bytes per pixel, status: %r\n", Status)); goto EXIT; } This->Mode->FrameBufferSize = Instance->ModeInfo.VerticalResolution - * Instance->ModeInfo.PixelsPerScanLine - * GetBytesPerPixel(Bpp); + * Instance->ModeInfo.PixelsPerScanLine + * GetBytesPerPixel (Bpp); // Set the hardware to the new mode Status = LcdSetMode (ModeNumber); - if (EFI_ERROR(Status)) { + if (EFI_ERROR (Status)) { Status = EFI_DEVICE_ERROR; goto EXIT; } - // The UEFI spec requires that we now clear the visible portions of the output display to black. + // The UEFI spec requires that we now clear the visible portions of the + // output display to black. // Set the fill colour to black SetMem (&FillColour, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL), 0x0); @@ -361,7 +371,8 @@ LcdGraphicsSetMode ( 0, This->Mode->Info->HorizontalResolution, This->Mode->Info->VerticalResolution, - 0); + 0 + ); EXIT: return Status; @@ -372,7 +383,7 @@ GetBytesPerPixel ( IN LCD_BPP Bpp ) { - switch(Bpp) { + switch (Bpp) { case LCD_BITS_PER_PIXEL_24: return 4; diff --git a/ArmPlatformPkg/Library/HdLcd/HdLcd.c b/ArmPlatformPkg/Library/HdLcd/HdLcd.c index 24efb68f23e3393a96fc760732d978b6346a2807..f1fffb1e83173f03f044fc0f4a5ad5c0b864695b 100644 --- a/ArmPlatformPkg/Library/HdLcd/HdLcd.c +++ b/ArmPlatformPkg/Library/HdLcd/HdLcd.c @@ -1,6 +1,6 @@ -/** @file Lcd.c +/** @file - Copyright (c) 2011-2012, ARM Ltd. All rights reserved.
+ Copyright (c) 2011-2017, ARM Ltd. All rights reserved.
This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License @@ -21,12 +21,9 @@ #include "HdLcd.h" -/********************************************************************** - * - * This file contains all the bits of the Lcd that are - * platform independent. - * - **********************************************************************/ +/** This file contains all the bits of the Lcd that are + platform independent. +**/ STATIC UINTN @@ -34,7 +31,7 @@ GetBytesPerPixel ( IN LCD_BPP Bpp ) { - switch(Bpp) { + switch (Bpp) { case LCD_BITS_PER_PIXEL_24: return 4; @@ -60,21 +57,27 @@ LcdInitialize ( ) { // Disable the controller - MmioWrite32(HDLCD_REG_COMMAND, HDLCD_DISABLE); + MmioWrite32 (HDLCD_REG_COMMAND, HDLCD_DISABLE); // Disable all interrupts - MmioWrite32(HDLCD_REG_INT_MASK, 0); + MmioWrite32 (HDLCD_REG_INT_MASK, 0); // Define start of the VRAM. This never changes for any graphics mode - MmioWrite32(HDLCD_REG_FB_BASE, (UINT32) VramBaseAddress); + MmioWrite32 (HDLCD_REG_FB_BASE, (UINT32)VramBaseAddress); // Setup various registers that never change - MmioWrite32(HDLCD_REG_BUS_OPTIONS, (4 << 8) | HDLCD_BURST_8); - MmioWrite32(HDLCD_REG_POLARITIES, HDLCD_PXCLK_LOW | HDLCD_DATA_HIGH | HDLCD_DATEN_HIGH | HDLCD_HSYNC_LOW | HDLCD_VSYNC_HIGH); - MmioWrite32(HDLCD_REG_PIXEL_FORMAT, HDLCD_LITTLE_ENDIAN | HDLCD_4BYTES_PER_PIXEL); - MmioWrite32(HDLCD_REG_RED_SELECT, (0 << 16 | 8 << 8 | 0)); - MmioWrite32(HDLCD_REG_GREEN_SELECT, (0 << 16 | 8 << 8 | 8)); - MmioWrite32(HDLCD_REG_BLUE_SELECT, (0 << 16 | 8 << 8 | 16)); + MmioWrite32 (HDLCD_REG_BUS_OPTIONS, (4 << 8) | HDLCD_BURST_8); + + MmioWrite32 (HDLCD_REG_POLARITIES, HDLCD_DEFAULT_POLARITIES); + + MmioWrite32 ( + HDLCD_REG_PIXEL_FORMAT, + HDLCD_LITTLE_ENDIAN | HDLCD_4BYTES_PER_PIXEL + ); + + MmioWrite32 (HDLCD_REG_RED_SELECT, (0 << 16 | 8 << 8 | 0)); + MmioWrite32 (HDLCD_REG_GREEN_SELECT, (0 << 16 | 8 << 8 | 8)); + MmioWrite32 (HDLCD_REG_BLUE_SELECT, (0 << 16 | 8 << 8 | 16)); return EFI_SUCCESS; } @@ -96,63 +99,66 @@ LcdSetMode ( UINT32 BytesPerPixel; LCD_BPP LcdBpp; - // Set the video mode timings and other relevant information - Status = LcdPlatformGetTimings (ModeNumber, - &HRes,&HSync,&HBackPorch,&HFrontPorch, - &VRes,&VSync,&VBackPorch,&VFrontPorch); + Status = LcdPlatformGetTimings ( + ModeNumber, + &HRes, + &HSync, + &HBackPorch, + &HFrontPorch, + &VRes, + &VSync, + &VBackPorch, + &VFrontPorch + ); ASSERT_EFI_ERROR (Status); - if (EFI_ERROR( Status )) { + if (EFI_ERROR (Status)) { return EFI_DEVICE_ERROR; } - Status = LcdPlatformGetBpp (ModeNumber,&LcdBpp); + Status = LcdPlatformGetBpp (ModeNumber, &LcdBpp); ASSERT_EFI_ERROR (Status); - if (EFI_ERROR( Status )) { + if (EFI_ERROR (Status)) { return EFI_DEVICE_ERROR; } - BytesPerPixel = GetBytesPerPixel(LcdBpp); + BytesPerPixel = GetBytesPerPixel (LcdBpp); // Disable the controller - MmioWrite32(HDLCD_REG_COMMAND, HDLCD_DISABLE); + MmioWrite32 (HDLCD_REG_COMMAND, HDLCD_DISABLE); // Update the frame buffer information with the new settings - MmioWrite32(HDLCD_REG_FB_LINE_LENGTH, HRes * BytesPerPixel); - MmioWrite32(HDLCD_REG_FB_LINE_PITCH, HRes * BytesPerPixel); - MmioWrite32(HDLCD_REG_FB_LINE_COUNT, VRes - 1); + MmioWrite32 (HDLCD_REG_FB_LINE_LENGTH, HRes * BytesPerPixel); + MmioWrite32 (HDLCD_REG_FB_LINE_PITCH, HRes * BytesPerPixel); + MmioWrite32 (HDLCD_REG_FB_LINE_COUNT, VRes - 1); // Set the vertical timing information - MmioWrite32(HDLCD_REG_V_SYNC, VSync); - MmioWrite32(HDLCD_REG_V_BACK_PORCH, VBackPorch); - MmioWrite32(HDLCD_REG_V_DATA, VRes - 1); - MmioWrite32(HDLCD_REG_V_FRONT_PORCH, VFrontPorch); + MmioWrite32 (HDLCD_REG_V_SYNC, VSync); + MmioWrite32 (HDLCD_REG_V_BACK_PORCH, VBackPorch); + MmioWrite32 (HDLCD_REG_V_DATA, VRes - 1); + MmioWrite32 (HDLCD_REG_V_FRONT_PORCH, VFrontPorch); // Set the horizontal timing information - MmioWrite32(HDLCD_REG_H_SYNC, HSync); - MmioWrite32(HDLCD_REG_H_BACK_PORCH, HBackPorch); - MmioWrite32(HDLCD_REG_H_DATA, HRes - 1); - MmioWrite32(HDLCD_REG_H_FRONT_PORCH, HFrontPorch); + MmioWrite32 (HDLCD_REG_H_SYNC, HSync); + MmioWrite32 (HDLCD_REG_H_BACK_PORCH, HBackPorch); + MmioWrite32 (HDLCD_REG_H_DATA, HRes - 1); + MmioWrite32 (HDLCD_REG_H_FRONT_PORCH, HFrontPorch); // Enable the controller - MmioWrite32(HDLCD_REG_COMMAND, HDLCD_ENABLE); + MmioWrite32 (HDLCD_REG_COMMAND, HDLCD_ENABLE); return EFI_SUCCESS; } VOID -LcdShutdown ( - VOID - ) +LcdShutdown (VOID) { // Disable the controller MmioWrite32 (HDLCD_REG_COMMAND, HDLCD_DISABLE); } EFI_STATUS -LcdIdentify ( - VOID - ) +LcdIdentify (VOID) { return EFI_SUCCESS; } diff --git a/ArmPlatformPkg/Library/PL111Lcd/PL111Lcd.c b/ArmPlatformPkg/Library/PL111Lcd/PL111Lcd.c index 9b4a02045ab7ca170e0d4362ee0e2bcf1d275bdb..19a5f3c58c63173f6528d7c1eedf51053dbeaf7e 100644 --- a/ArmPlatformPkg/Library/PL111Lcd/PL111Lcd.c +++ b/ArmPlatformPkg/Library/PL111Lcd/PL111Lcd.c @@ -1,6 +1,6 @@ -/** @file PL111Lcd.c +/** @file - Copyright (c) 2011-2012, ARM Ltd. All rights reserved.
+ Copyright (c) 2011-2017, ARM Ltd. All rights reserved.
This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License @@ -19,17 +19,12 @@ #include "PL111Lcd.h" -/********************************************************************** - * - * This file contains all the bits of the PL111 that are - * platform independent. - * - **********************************************************************/ +/** This file contains all the bits of the PL111 that are + platform independent. +**/ EFI_STATUS -LcdIdentify ( - VOID - ) +LcdIdentify (VOID) { DEBUG ((EFI_D_WARN, "Probing ID registers at 0x%lx for a PL111\n", PL111_REG_CLCD_PERIPH_ID_0)); @@ -54,11 +49,11 @@ LcdInitialize ( ) { // Define start of the VRAM. This never changes for any graphics mode - MmioWrite32(PL111_REG_LCD_UP_BASE, (UINT32) VramBaseAddress); - MmioWrite32(PL111_REG_LCD_LP_BASE, 0); // We are not using a double buffer + MmioWrite32 (PL111_REG_LCD_UP_BASE, (UINT32)VramBaseAddress); + MmioWrite32 (PL111_REG_LCD_LP_BASE, 0); // We are not using a double buffer // Disable all interrupts from the PL111 - MmioWrite32(PL111_REG_LCD_IMSC, 0); + MmioWrite32 (PL111_REG_LCD_IMSC, 0); return EFI_SUCCESS; } @@ -81,45 +76,60 @@ LcdSetMode ( LCD_BPP LcdBpp; // Set the video mode timings and other relevant information - Status = LcdPlatformGetTimings (ModeNumber, - &HRes,&HSync,&HBackPorch,&HFrontPorch, - &VRes,&VSync,&VBackPorch,&VFrontPorch); + Status = LcdPlatformGetTimings ( + ModeNumber, + &HRes, + &HSync, + &HBackPorch, + &HFrontPorch, + &VRes, + &VSync, + &VBackPorch, + &VFrontPorch + ); ASSERT_EFI_ERROR (Status); - if (EFI_ERROR( Status )) { + if (EFI_ERROR (Status)) { return EFI_DEVICE_ERROR; } - Status = LcdPlatformGetBpp (ModeNumber,&LcdBpp); + Status = LcdPlatformGetBpp (ModeNumber, &LcdBpp); ASSERT_EFI_ERROR (Status); - if (EFI_ERROR( Status )) { + if (EFI_ERROR (Status)) { return EFI_DEVICE_ERROR; } // Disable the CLCD_LcdEn bit - LcdControl = MmioRead32( PL111_REG_LCD_CONTROL); - MmioWrite32(PL111_REG_LCD_CONTROL, LcdControl & ~1); + LcdControl = MmioRead32 (PL111_REG_LCD_CONTROL); + MmioWrite32 (PL111_REG_LCD_CONTROL, LcdControl & ~1); // Set Timings - MmioWrite32 (PL111_REG_LCD_TIMING_0, HOR_AXIS_PANEL(HBackPorch, HFrontPorch, HSync, HRes)); - MmioWrite32 (PL111_REG_LCD_TIMING_1, VER_AXIS_PANEL(VBackPorch, VFrontPorch, VSync, VRes)); - MmioWrite32 (PL111_REG_LCD_TIMING_2, CLK_SIG_POLARITY(HRes)); + MmioWrite32 ( + PL111_REG_LCD_TIMING_0, + HOR_AXIS_PANEL (HBackPorch, HFrontPorch, HSync, HRes) + ); + + MmioWrite32 ( + PL111_REG_LCD_TIMING_1, + VER_AXIS_PANEL (VBackPorch, VFrontPorch, VSync, VRes) + ); + + MmioWrite32 (PL111_REG_LCD_TIMING_2, CLK_SIG_POLARITY (HRes)); MmioWrite32 (PL111_REG_LCD_TIMING_3, 0); // PL111_REG_LCD_CONTROL - LcdControl = PL111_CTRL_LCD_EN | PL111_CTRL_LCD_BPP(LcdBpp) | PL111_CTRL_LCD_TFT | PL111_CTRL_BGR; - MmioWrite32(PL111_REG_LCD_CONTROL, LcdControl); + LcdControl = PL111_CTRL_LCD_EN | PL111_CTRL_LCD_BPP (LcdBpp) + | PL111_CTRL_LCD_TFT | PL111_CTRL_BGR; + MmioWrite32 (PL111_REG_LCD_CONTROL, LcdControl); // Turn on power to the LCD Panel LcdControl |= PL111_CTRL_LCD_PWR; - MmioWrite32(PL111_REG_LCD_CONTROL, LcdControl); + MmioWrite32 (PL111_REG_LCD_CONTROL, LcdControl); return EFI_SUCCESS; } VOID -LcdShutdown ( - VOID - ) +LcdShutdown (VOID) { // Disable the controller MmioAnd32 (PL111_REG_LCD_CONTROL, ~PL111_CTRL_LCD_EN); -- Guid("CE165669-3EF3-493F-B85D-6190EE5B9759")