From patchwork Fri Aug 9 23:03:11 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 2842227 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id AF4699F294 for ; Fri, 9 Aug 2013 23:16:11 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C1B2620258 for ; Fri, 9 Aug 2013 23:16:10 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id D803B20257 for ; Fri, 9 Aug 2013 23:16:09 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id AC05DE6230 for ; Fri, 9 Aug 2013 16:16:09 -0700 (PDT) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [95.142.166.194]) by gabe.freedesktop.org (Postfix) with ESMTP id C6148E5D0B for ; Fri, 9 Aug 2013 16:02:28 -0700 (PDT) Received: from avalon.ideasonboard.com (58.11-200-80.adsl-dyn.isp.belgacom.be [80.200.11.58]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 425AB3670C; Sat, 10 Aug 2013 01:02:04 +0200 (CEST) From: Laurent Pinchart To: dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-media@vger.kernel.org Subject: [PATCH/RFC v3 12/19] video: display: Add VGA Digital to Analog Converter support Date: Sat, 10 Aug 2013 01:03:11 +0200 Message-Id: <1376089398-13322-13-git-send-email-laurent.pinchart+renesas@ideasonboard.com> X-Mailer: git-send-email 1.8.1.5 In-Reply-To: <1376089398-13322-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com> References: <1376089398-13322-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org Errors-To: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This driver implements support for VGA Digital to Analog Converters (DACs) that receive pixel data through a DPI interface and have no control interface (GPIOs- and/or regulators-based control can be implemented later when needed). It exposes the devices a display entities. Signed-off-by: Laurent Pinchart --- drivers/video/display/Kconfig | 9 +++ drivers/video/display/Makefile | 1 + drivers/video/display/vga-dac.c | 152 ++++++++++++++++++++++++++++++++++++++++ 3 files changed, 162 insertions(+) create mode 100644 drivers/video/display/vga-dac.c diff --git a/drivers/video/display/Kconfig b/drivers/video/display/Kconfig index 9b44b5f..32ce08d 100644 --- a/drivers/video/display/Kconfig +++ b/drivers/video/display/Kconfig @@ -39,4 +39,13 @@ config DISPLAY_PANEL_R61517 If you are in doubt, say N. To compile this driver as a module, choose M here; the module will be called panel-r61517. +config DISPLAY_VGA_DAC + tristate "VGA Digital to Analog Converters" + ---help--- + Support for simple VGA digital to analog converters. Those converters + receive pixel data through a parallel bus and have no control bus. + + If you are in doubt, say N. To compile this driver as a module, choose + M here: the module will be called vga-dac. + endif # DISPLAY_CORE diff --git a/drivers/video/display/Makefile b/drivers/video/display/Makefile index 1cdc8d4..43cd78d 100644 --- a/drivers/video/display/Makefile +++ b/drivers/video/display/Makefile @@ -5,3 +5,4 @@ obj-$(CONFIG_DISPLAY_MIPI_DBI) += mipi-dbi-bus.o obj-$(CONFIG_DISPLAY_PANEL_DPI) += panel-dpi.o obj-$(CONFIG_DISPLAY_PANEL_R61505) += panel-r61505.o obj-$(CONFIG_DISPLAY_PANEL_R61517) += panel-r61517.o +obj-$(CONFIG_DISPLAY_VGA_DAC) += vga-dac.o diff --git a/drivers/video/display/vga-dac.c b/drivers/video/display/vga-dac.c new file mode 100644 index 0000000..d0256e6 --- /dev/null +++ b/drivers/video/display/vga-dac.c @@ -0,0 +1,152 @@ +/* + * VGA Digital to Analog Converter + * + * Copyright (C) 2013 Renesas Solutions Corp. + * + * Contacts: Laurent Pinchart + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include + +#include