From patchwork Wed Aug 8 03:04:02 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wang Xingchao X-Patchwork-Id: 1292191 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by patchwork2.kernel.org (Postfix) with ESMTP id 53536DF223 for ; Wed, 8 Aug 2012 03:19:19 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2CA0D9EB5B for ; Tue, 7 Aug 2012 20:19:19 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id 70B5D9E903 for ; Tue, 7 Aug 2012 20:16:22 -0700 (PDT) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga102.jf.intel.com with ESMTP; 07 Aug 2012 20:16:21 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.67,351,1309762800"; d="scan'208";a="182956339" Received: from wxc-intel.bj.intel.com ([10.238.145.98]) by orsmga002.jf.intel.com with ESMTP; 07 Aug 2012 20:16:20 -0700 From: Wang Xingchao To: intel-gfx@lists.freedesktop.org Date: Wed, 8 Aug 2012 11:04:02 +0800 Message-Id: <1344395043-21129-5-git-send-email-xingchao.wang@intel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1344395043-21129-1-git-send-email-xingchao.wang@intel.com> References: <1344395043-21129-1-git-send-email-xingchao.wang@intel.com> Cc: tiwai@suse.de, michael.fu@intel.com, fengguang.wu@intel.com Subject: [Intel-gfx] [PATCH v5 3/4] drm/i915: Haswell HDMI audio enable X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org Initialize Haswell HDMI audio registers to generate an unsolicited response to the audio controller driver to indicate that the controller sequence should start. Signed-off-by: Wang Xingchao --- drivers/gpu/drm/i915/intel_display.c | 37 ++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 17020cd..b635bf6 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -5071,6 +5071,7 @@ static void ironlake_write_eld(struct drm_connector *connector, struct drm_crtc *crtc) { struct drm_i915_private *dev_priv = connector->dev->dev_private; + struct drm_device *dev = crtc->dev; uint8_t *eld = connector->eld; uint32_t eldv; uint32_t i; @@ -5079,12 +5080,18 @@ static void ironlake_write_eld(struct drm_connector *connector, int aud_config; int aud_cntl_st; int aud_cntrl_st2; + int pipe = to_intel_crtc(crtc)->pipe; if (HAS_PCH_IBX(connector->dev)) { hdmiw_hdmiedid = IBX_HDMIW_HDMIEDID_A; aud_config = IBX_AUD_CONFIG_A; aud_cntl_st = IBX_AUD_CNTL_ST_A; aud_cntrl_st2 = IBX_AUD_CNTL_ST2; + } else if (IS_HASWELL(dev)) { + hdmiw_hdmiedid = HSW_AUD_EDID_DATA(pipe); + aud_cntl_st = HSW_AUD_DIP_ELD_CTRL(pipe); + aud_config = HSW_AUD_CFG(pipe); + aud_cntrl_st2 = HSW_AUD_PIN_ELD_CP_VLD; } else { hdmiw_hdmiedid = CPT_HDMIW_HDMIEDID_A; aud_config = CPT_AUD_CONFIG_A; @@ -5092,6 +5099,34 @@ static void ironlake_write_eld(struct drm_connector *connector, aud_cntrl_st2 = CPT_AUD_CNTRL_ST2; } + if (IS_HASWELL(dev)) { + int tmp; + int aud_vld = HSW_AUD_PIN_ELD_CP_VLD; + + DRM_DEBUG_DRIVER("HDMI: Haswell Audio initialize....\n"); + + /* Audio output enable */ + DRM_DEBUG_DRIVER("HDMI audio: enable codec\n"); + tmp = I915_READ(aud_vld); + tmp |= (AUDIO_OUTPUT_ENABLE_A | AUDIO_OUTPUT_ENABLE_B | AUDIO_OUTPUT_ENABLE_C); + I915_WRITE(aud_vld, tmp); + + /* Set ELD valid state */ + tmp = I915_READ(aud_vld); + DRM_DEBUG_DRIVER("HDMI audio: pin eld vld status=0x%8x\n", tmp); + tmp |= (AUDIO_ELD_VALID_A | AUDIO_ELD_VALID_B | AUDIO_ELD_VALID_C); + I915_WRITE(aud_vld, tmp); + tmp = I915_READ(aud_vld); + DRM_DEBUG_DRIVER("HDMI audio: eld vld status=0x%8x\n", tmp); + + /* Enable HDMI mode */ + tmp = I915_READ(aud_config); + DRM_DEBUG_DRIVER("HDMI audio: audio conf: 0x%8x\n", tmp); + /* clear N_programing_enable and N_value_index */ + tmp &= ~(AUD_CONFIG_N_VALUE_INDEX | AUD_CONFIG_N_PROG_ENABLE); + I915_WRITE(aud_config, tmp); + } + i = to_intel_crtc(crtc)->pipe; hdmiw_hdmiedid += i * 0x100; aud_cntl_st += i * 0x100; @@ -5135,6 +5170,8 @@ static void ironlake_write_eld(struct drm_connector *connector, i = I915_READ(aud_cntl_st); i &= ~IBX_ELD_ADDRESS; I915_WRITE(aud_cntl_st, i); + i = (i >> 29) & 0x3; /* DIP_Port_Select, 0x1 = PortB */ + DRM_DEBUG_DRIVER("port num:%d\n", i); len = min_t(uint8_t, eld[2], 21); /* 84 bytes of hw ELD buffer */ DRM_DEBUG_DRIVER("ELD size %d\n", len);