From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=2a00:1450:400c:c0c::236; helo=mail-wr0-x236.google.com; envelope-from=ard.biesheuvel@linaro.org; receiver=edk2-devel@lists.01.org Received: from mail-wr0-x236.google.com (mail-wr0-x236.google.com [IPv6:2a00:1450:400c:c0c::236]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id B4F772218E951 for ; Fri, 8 Dec 2017 09:27:11 -0800 (PST) Received: by mail-wr0-x236.google.com with SMTP id x49so11469731wrb.13 for ; Fri, 08 Dec 2017 09:31:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=m9sJYt0r8BuVeOBEJGZXRfwWuU6Xatiga80sGeip4h0=; b=PiOg98qXLSIcK54DtqmwlFNm8R9YcdhZvaWBVW+p5T8oc4Tt6K4asnCvjs3CZGyqnh nnQa4H7jzhghJ104KZX2VacG0smCiw6fCltjC1GxUy1e7dPSw73Sp35oht80Q0YkF/9Y vmCY1V68lemhvzUC0AjRvaNA6MzW8T72QNgDM= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=m9sJYt0r8BuVeOBEJGZXRfwWuU6Xatiga80sGeip4h0=; b=Savelf0dSUmG3mZ6f2bxk3FBrIhmYRA+ZmX7KlEgKxtI35JNVoXI7BwJo5K5/LiNH/ aX9KlwBXApHYiMK9A5kLnz3uY3zgl4r1Y+OugtNdT2qp0ZGdffWWH3JWO42DVIIt47Ch t9gJjP6aadd+hCREuXbLQU+T0dds/JKlobS9zBIXH4Md8hEFmT8ziYYeJwN7LgdjzF77 HxIxSPNSz+x5WbhRoMeSDGjqSyXi8hUKSnr9bKNsIES12rJaSgIthEa/i/ryoy84q0Qw oilzb8rcDOFvgXFtzSSaUXXp/lm6Yh5Zgm6yUD+RA74MmSxYbpK47K+CCE0z9aJVTkaM lpug== X-Gm-Message-State: AJaThX7ZEW49tDWUI5KBnh++FO/fZzMdVoj6n+2wqZUwzCc3AfsE23/o R+oXa+OhkWXsqqCzWYODdWArMGHAC68= X-Google-Smtp-Source: AGs4zMaVbaZVQRo1Z12jf7105+VFr92ywql7aqrnf1UHRxIycq3u6PL7eVMe4n8aYJCvh1YXkMkB/Q== X-Received: by 10.223.189.5 with SMTP id j5mr25941671wrh.172.1512754304312; Fri, 08 Dec 2017 09:31:44 -0800 (PST) Received: from localhost.localdomain ([160.171.158.223]) by smtp.gmail.com with ESMTPSA id q15sm8904685wra.91.2017.12.08.09.31.41 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 08 Dec 2017 09:31:43 -0800 (PST) From: Ard Biesheuvel To: edk2-devel@lists.01.org Cc: leif.lindholm@linaro.org, Ard Biesheuvel , Girish Pathak , Evan Lloyd Date: Fri, 8 Dec 2017 17:31:26 +0000 Message-Id: <20171208173128.28485-4-ard.biesheuvel@linaro.org> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20171208173128.28485-1-ard.biesheuvel@linaro.org> References: <20171208173128.28485-1-ard.biesheuvel@linaro.org> Subject: [PATCH v2 3/5] ArmPlatformPkg: implement LcdHwLib for HdLcd X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 08 Dec 2017 17:27:12 -0000 Convert the HdLcd specific code of LcdGraphicsOutputDxe into a LcdHwlib implementation that we will wire up later into LcdGraphicsOutputDxe. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Girish Pathak Signed-off-by: Evan Lloyd Signed-off-by: Ard Biesheuvel --- ArmPlatformPkg/Library/HdLcd/HdLcd.c | 158 ++++++++++++++++++++ ArmPlatformPkg/Library/HdLcd/HdLcd.h | 89 +++++++++++ ArmPlatformPkg/Library/HdLcd/HdLcd.inf | 42 ++++++ 3 files changed, 289 insertions(+) diff --git a/ArmPlatformPkg/Library/HdLcd/HdLcd.c b/ArmPlatformPkg/Library/HdLcd/HdLcd.c new file mode 100644 index 000000000000..24efb68f23e3 --- /dev/null +++ b/ArmPlatformPkg/Library/HdLcd/HdLcd.c @@ -0,0 +1,158 @@ +/** @file Lcd.c + + Copyright (c) 2011-2012, 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 + 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 +#include +#include +#include +#include +#include + +#include "HdLcd.h" + +/********************************************************************** + * + * This file contains all the bits of the Lcd that are + * platform independent. + * + **********************************************************************/ + +STATIC +UINTN +GetBytesPerPixel ( + IN LCD_BPP Bpp + ) +{ + switch(Bpp) { + case LCD_BITS_PER_PIXEL_24: + return 4; + + case LCD_BITS_PER_PIXEL_16_565: + case LCD_BITS_PER_PIXEL_16_555: + case LCD_BITS_PER_PIXEL_12_444: + return 2; + + case LCD_BITS_PER_PIXEL_8: + case LCD_BITS_PER_PIXEL_4: + case LCD_BITS_PER_PIXEL_2: + case LCD_BITS_PER_PIXEL_1: + return 1; + + default: + return 0; + } +} + +EFI_STATUS +LcdInitialize ( + IN EFI_PHYSICAL_ADDRESS VramBaseAddress + ) +{ + // Disable the controller + MmioWrite32(HDLCD_REG_COMMAND, HDLCD_DISABLE); + + // Disable all interrupts + 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); + + // 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)); + + return EFI_SUCCESS; +} + +EFI_STATUS +LcdSetMode ( + IN UINT32 ModeNumber + ) +{ + EFI_STATUS Status; + UINT32 HRes; + UINT32 HSync; + UINT32 HBackPorch; + UINT32 HFrontPorch; + UINT32 VRes; + UINT32 VSync; + UINT32 VBackPorch; + UINT32 VFrontPorch; + 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); + ASSERT_EFI_ERROR (Status); + if (EFI_ERROR( Status )) { + return EFI_DEVICE_ERROR; + } + + Status = LcdPlatformGetBpp (ModeNumber,&LcdBpp); + ASSERT_EFI_ERROR (Status); + if (EFI_ERROR( Status )) { + return EFI_DEVICE_ERROR; + } + + BytesPerPixel = GetBytesPerPixel(LcdBpp); + + // Disable the controller + 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); + + // 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); + + // 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); + + // Enable the controller + MmioWrite32(HDLCD_REG_COMMAND, HDLCD_ENABLE); + + return EFI_SUCCESS; +} + +VOID +LcdShutdown ( + VOID + ) +{ + // Disable the controller + MmioWrite32 (HDLCD_REG_COMMAND, HDLCD_DISABLE); +} + +EFI_STATUS +LcdIdentify ( + VOID + ) +{ + return EFI_SUCCESS; +} diff --git a/ArmPlatformPkg/Library/HdLcd/HdLcd.h b/ArmPlatformPkg/Library/HdLcd/HdLcd.h new file mode 100644 index 000000000000..6df97a9dfee6 --- /dev/null +++ b/ArmPlatformPkg/Library/HdLcd/HdLcd.h @@ -0,0 +1,89 @@ +/** @file HDLcd.h + + Copyright (c) 2011-2012, 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 + 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. + + **/ + +#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 + +// 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) + +#endif /* _HDLCD_H_ */ diff --git a/ArmPlatformPkg/Library/HdLcd/HdLcd.inf b/ArmPlatformPkg/Library/HdLcd/HdLcd.inf new file mode 100644 index 000000000000..67aad05d210b --- /dev/null +++ b/ArmPlatformPkg/Library/HdLcd/HdLcd.inf @@ -0,0 +1,42 @@ +#/** @file +# +# Component description file for HDLCD module +# +# Copyright (c) 2011-2012, 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 +# 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. +# +#**/ + +[Defines] + INF_VERSION = 0x00010005 + BASE_NAME = HdLcd + FILE_GUID = ce660500-824d-11e0-ac72-0002a5d5c51b + MODULE_TYPE = BASE + VERSION_STRING = 1.0 + LIBRARY_CLASS = LcdHwLib + +[Sources.common] + HdLcd.c + +[Packages] + ArmPlatformPkg/ArmPlatformPkg.dec + ArmPkg/ArmPkg.dec + MdeModulePkg/MdeModulePkg.dec + MdePkg/MdePkg.dec + +[LibraryClasses] + ArmLib + UefiLib + BaseLib + DebugLib + IoLib + +[FixedPcd] + gArmPlatformTokenSpaceGuid.PcdArmHdLcdBase -- 2.11.0