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:c09::229; helo=mail-wm0-x229.google.com; envelope-from=ard.biesheuvel@linaro.org; receiver=edk2-devel@lists.01.org Received: from mail-wm0-x229.google.com (mail-wm0-x229.google.com [IPv6:2a00:1450:400c:c09::229]) (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 D1E1720352A89 for ; Fri, 1 Dec 2017 03:28:45 -0800 (PST) Received: by mail-wm0-x229.google.com with SMTP id i11so2815893wmf.4 for ; Fri, 01 Dec 2017 03:33:12 -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=jztUVKNzVIozm9rJHcT6zU+PLwCltKCJdpzvhUmyCqhfvYxvVtlpBLyxEvq7hMAVoW y/gu9NKM/1uYRSALWT2psK6CQOjyAgbpAjDYHxXhb6WTuM0XT3KR98WLah92QOR4AD3Z yCHS0UHdpvUx5x4ZIL/BePezo7nzYBmr+6WeA= 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=g+IIQAey23s/nSRN8wte4H+N/uhuFUYfC0dbweiOJ1Iiw8E6umnoBiCPfniTr21AhG VV3OIsOOcRXK0wrfShOtll+/1RmPiObGSzHHkMIHs4mrtQP49/sJQuZvksyFGCKMmpaZ 8guh5q3j2AjaZChpoiqB29f/g5HnvvGqpLuHRIw1vsTZp2ziV8hgzANx3Wye+yLMPKWr rAeb4pKU2HUXywDpq9OkFaMNN1UOLZD5itv5iTH9eTArP+us1t/Uy7bV/NnNdnz+/cQ9 no6keVJM5ACr6HrPJPQF9KimxPH7U9ZEkVxyzXTaHPlMQjXGkC+7Ktk5xl+92nUH6a1y Gyxg== X-Gm-Message-State: AJaThX6poMNpj4dvnaZaSDdjqGDIke9PqX/4UTaQeMmqWBZin6Nb4shi eLQy7maWLB4WiCHwI419dmXjS42WSyU= X-Google-Smtp-Source: AGs4zMbfjKzzKkXzsPpiUvmeshhOI2XxJk4a4pt0ww9hQHDKEYIAgXu9FTWIyyJyIHOnPHU2M0eNrw== X-Received: by 10.28.199.133 with SMTP id x127mr937197wmf.156.1512127990295; Fri, 01 Dec 2017 03:33:10 -0800 (PST) Received: from localhost.localdomain ([105.150.171.234]) by smtp.gmail.com with ESMTPSA id k11sm918430wmi.18.2017.12.01.03.33.08 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 01 Dec 2017 03:33:09 -0800 (PST) From: Ard Biesheuvel To: edk2-devel@lists.01.org Cc: leif.lindholm@linaro.org, Ard Biesheuvel , Girish Pathak , Evan Lloyd Date: Fri, 1 Dec 2017 11:32:53 +0000 Message-Id: <20171201113255.23581-4-ard.biesheuvel@linaro.org> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20171201113255.23581-1-ard.biesheuvel@linaro.org> References: <20171201113255.23581-1-ard.biesheuvel@linaro.org> Subject: [PATCH 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, 01 Dec 2017 11:28:46 -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