From patchwork Thu Aug 12 15:42:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Lee, Shawn C" X-Patchwork-Id: 12433821 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.9 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 015D7C432BE for ; Thu, 12 Aug 2021 15:41:08 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BE3FB60F91 for ; Thu, 12 Aug 2021 15:41:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org BE3FB60F91 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DCD456E42D; Thu, 12 Aug 2021 15:41:06 +0000 (UTC) Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id 15A546E42A for ; Thu, 12 Aug 2021 15:41:05 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10074"; a="202542162" X-IronPort-AV: E=Sophos;i="5.84,316,1620716400"; d="scan'208";a="202542162" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Aug 2021 08:41:04 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.84,316,1620716400"; d="scan'208";a="469795908" Received: from shawnle1-build-machine.itwn.intel.com ([10.5.253.12]) by orsmga008.jf.intel.com with ESMTP; 12 Aug 2021 08:41:03 -0700 From: Lee Shawn C To: intel-gfx@lists.freedesktop.org Cc: jani.nikula@intel.com, ville.syrjala@linux.intel.com, vandita.kulkarni@intel.com, cooper.chiou@intel.com, william.tseng@intel.com, Lee Shawn C , Jani Nikula Date: Thu, 12 Aug 2021 23:42:32 +0800 Message-Id: <20210812154237.13911-3-shawn.c.lee@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210812154237.13911-1-shawn.c.lee@intel.com> References: <20210812154237.13911-1-shawn.c.lee@intel.com> Subject: [Intel-gfx] [v4 2/7] drm/i915/jsl: program DSI panel GPIOs X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" DSI driver should have its own implementation to toggle gpio pins based on GPIO info coming from VBT sequences. v2: Remove redundant ICP_PP_CONTROL() define. Cc: Ville Syrjala Cc: Jani Nikula Cc: Vandita Kulkarni Cc: Cooper Chiou Cc: William Tseng Signed-off-by: Lee Shawn C --- drivers/gpu/drm/i915/display/intel_dsi_vbt.c | 44 +++++++++++++++++++- 1 file changed, 43 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c index cc93e045a425..57676a5e560c 100644 --- a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c +++ b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c @@ -43,6 +43,7 @@ #include "intel_display_types.h" #include "intel_dsi.h" #include "intel_sideband.h" +#include "intel_de.h" #define MIPI_TRANSFER_MODE_SHIFT 0 #define MIPI_VIRTUAL_CHANNEL_SHIFT 1 @@ -354,7 +355,48 @@ static void bxt_exec_gpio(struct drm_i915_private *dev_priv, static void icl_exec_gpio(struct drm_i915_private *dev_priv, u8 gpio_source, u8 gpio_index, bool value) { - drm_dbg_kms(&dev_priv->drm, "Skipping ICL GPIO element execution\n"); + u32 val; + + switch (gpio_index) { + case ICL_GPIO_L_VDDEN_1: + val = intel_de_read(dev_priv, PP_CONTROL(0)); + if (value) + val |= PANEL_POWER_ON; + else + val &= ~PANEL_POWER_ON; + intel_de_write(dev_priv, PP_CONTROL(0), val); + break; + case ICL_GPIO_L_BKLTEN_1: + val = intel_de_read(dev_priv, PP_CONTROL(0)); + if (value) + val |= EDP_BLC_ENABLE; + else + val &= ~EDP_BLC_ENABLE; + intel_de_write(dev_priv, PP_CONTROL(0), val); + break; + case ICL_GPIO_DDPA_CTRLCLK_1: + val = intel_de_read(dev_priv, GPIO(1)); + if (value) + val |= GPIO_CLOCK_VAL_OUT; + else + val &= ~GPIO_CLOCK_VAL_OUT; + val |= GPIO_CLOCK_DIR_MASK | GPIO_CLOCK_DIR_OUT | GPIO_CLOCK_VAL_MASK; + intel_de_write(dev_priv, GPIO(1), val); + break; + case ICL_GPIO_DDPA_CTRLDATA_1: + val = intel_de_read(dev_priv, GPIO(1)); + if (value) + val |= GPIO_DATA_VAL_OUT; + else + val &= ~GPIO_DATA_VAL_OUT; + val |= GPIO_DATA_DIR_MASK | GPIO_DATA_DIR_OUT | GPIO_DATA_VAL_MASK; + intel_de_write(dev_priv, GPIO(1), val); + break; + default: + /* TODO: Add support for remaining GPIOs */ + DRM_ERROR("Invalid GPIO number (%d) from VBT\n", gpio_index); + break; + } } static const u8 *mipi_exec_gpio(struct intel_dsi *intel_dsi, const u8 *data)