From patchwork Mon Nov 3 09:13:38 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thierry Reding X-Patchwork-Id: 5215301 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 508BBC11AC for ; Mon, 3 Nov 2014 09:15:00 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 51EA02015E for ; Mon, 3 Nov 2014 09:14:59 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 62E1F2012B for ; Mon, 3 Nov 2014 09:14:58 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 97C2E6E406; Mon, 3 Nov 2014 01:14:57 -0800 (PST) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-pd0-f170.google.com (mail-pd0-f170.google.com [209.85.192.170]) by gabe.freedesktop.org (Postfix) with ESMTP id 837946E405 for ; Mon, 3 Nov 2014 01:14:56 -0800 (PST) Received: by mail-pd0-f170.google.com with SMTP id z10so11154567pdj.15 for ; Mon, 03 Nov 2014 01:14:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=1+qc+KN9DCzuYPShNR+4gDcoeDBmftN01Rb17mVBuxQ=; b=no4vzXLM8CAJ/h3UhLkAhg7oEyXUD0ac9SaN1fYx/vp4rfdG++RjB+oBj/4k11/yGW U8Bkqi/n6qgmyLnn62lnppB6AVeqbmgmg+GKZrmdZPwccgSS2GPboEaGzH8yUvb46D3Z osEme2Genk8Z2Gm8JP99WQmvhJi1nl376z07K7Y0026gGKyPc86EKAlTp41myE3SuaZH cMs66qA8XmaRSVXAi9/7Y/LLaRJ/ZC2I7wIWfuJZoRAep4IFR1RlQR6KOz0+eSu4xpjU 4ErLV40oejW/FKM3qHDinH3a7iO87KLwjY1oWV+Wu/lMjaAZ6NgRnH+gocFVMobztoXh Enkg== X-Received: by 10.68.216.70 with SMTP id oo6mr2306034pbc.124.1415006096416; Mon, 03 Nov 2014 01:14:56 -0800 (PST) Received: from localhost ([216.228.120.20]) by mx.google.com with ESMTPSA id dl1sm16573429pbc.16.2014.11.03.01.14.54 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 03 Nov 2014 01:14:55 -0800 (PST) From: Thierry Reding To: Thierry Reding Subject: [PATCH v4 13/16] drm/dsi: Implement DCS {get, set}_pixel_format commands Date: Mon, 3 Nov 2014 10:13:38 +0100 Message-Id: <1415006021-29313-13-git-send-email-thierry.reding@gmail.com> X-Mailer: git-send-email 2.1.2 In-Reply-To: <1415006021-29313-1-git-send-email-thierry.reding@gmail.com> References: <1415006021-29313-1-git-send-email-thierry.reding@gmail.com> Cc: Andrzej Hajda , dri-devel@lists.freedesktop.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Spam-Status: No, score=-4.7 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, T_DKIM_INVALID, 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 From: Thierry Reding Provide small convenience wrappers to query or set the pixel format used by the interface. Signed-off-by: Thierry Reding --- drivers/gpu/drm/drm_mipi_dsi.c | 42 ++++++++++++++++++++++++++++++++++++++++++ include/drm/drm_mipi_dsi.h | 2 ++ 2 files changed, 44 insertions(+) diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c index da34469b9b98..226822a44457 100644 --- a/drivers/gpu/drm/drm_mipi_dsi.c +++ b/drivers/gpu/drm/drm_mipi_dsi.c @@ -553,6 +553,27 @@ int mipi_dsi_dcs_get_power_mode(struct mipi_dsi_device *dsi, u8 *mode) EXPORT_SYMBOL(mipi_dsi_dcs_get_power_mode); /** + * mipi_dsi_dcs_get_pixel_format() - gets the pixel format for the RGB image + * data used by the interface + * @dsi: DSI peripheral device + * @format: return location for the pixel format + * + * Return: 0 on success or a negative error code on failure. + */ +int mipi_dsi_dcs_get_pixel_format(struct mipi_dsi_device *dsi, u8 *format) +{ + ssize_t err; + + err = mipi_dsi_dcs_read(dsi, MIPI_DCS_GET_PIXEL_FORMAT, format, + sizeof(*format)); + if (err < 0) + return err; + + return 0; +} +EXPORT_SYMBOL(mipi_dsi_dcs_get_pixel_format); + +/** * mipi_dsi_dcs_enter_sleep_mode() - disable all unnecessary blocks inside the * display module except interface communication * @dsi: DSI peripheral device @@ -670,6 +691,27 @@ int mipi_dsi_dcs_set_tear_on(struct mipi_dsi_device *dsi, } EXPORT_SYMBOL(mipi_dsi_dcs_set_tear_on); +/** + * mipi_dsi_dcs_set_pixel_format() - sets the pixel format for the RGB image + * data used by the interface + * @dsi: DSI peripheral device + * @format: pixel format + * + * Return: 0 on success or a negative error code on failure. + */ +int mipi_dsi_dcs_set_pixel_format(struct mipi_dsi_device *dsi, u8 format) +{ + ssize_t err; + + err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_PIXEL_FORMAT, &format, + sizeof(format)); + if (err < 0) + return err; + + return 0; +} +EXPORT_SYMBOL(mipi_dsi_dcs_set_pixel_format); + static int mipi_dsi_drv_probe(struct device *dev) { struct mipi_dsi_driver *drv = to_mipi_dsi_driver(dev->driver); diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h index 4cbf8e658a3a..415d01f90086 100644 --- a/include/drm/drm_mipi_dsi.h +++ b/include/drm/drm_mipi_dsi.h @@ -197,6 +197,7 @@ ssize_t mipi_dsi_dcs_read(struct mipi_dsi_device *dsi, u8 cmd, void *data, int mipi_dsi_dcs_nop(struct mipi_dsi_device *dsi); int mipi_dsi_dcs_soft_reset(struct mipi_dsi_device *dsi); int mipi_dsi_dcs_get_power_mode(struct mipi_dsi_device *dsi, u8 *mode); +int mipi_dsi_dcs_get_pixel_format(struct mipi_dsi_device *dsi, u8 *format); int mipi_dsi_dcs_enter_sleep_mode(struct mipi_dsi_device *dsi); int mipi_dsi_dcs_exit_sleep_mode(struct mipi_dsi_device *dsi); int mipi_dsi_dcs_set_display_off(struct mipi_dsi_device *dsi); @@ -204,6 +205,7 @@ int mipi_dsi_dcs_set_display_on(struct mipi_dsi_device *dsi); int mipi_dsi_dcs_set_tear_off(struct mipi_dsi_device *dsi); int mipi_dsi_dcs_set_tear_on(struct mipi_dsi_device *dsi, enum mipi_dsi_dcs_tear_mode mode); +int mipi_dsi_dcs_set_pixel_format(struct mipi_dsi_device *dsi, u8 format); /** * struct mipi_dsi_driver - DSI driver