From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jerome Anand Subject: [PATCH v4 2/5] drm/i915: Add support for audio driver notifications Date: Sat, 21 Jan 2017 03:52:29 +0530 Message-ID: <20170120222232.27791-3-jerome.anand@intel.com> References: <20170120222232.27791-1-jerome.anand@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by alsa0.perex.cz (Postfix) with ESMTP id C242F2666EA for ; Fri, 20 Jan 2017 11:20:53 +0100 (CET) In-Reply-To: <20170120222232.27791-1-jerome.anand@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: intel-gfx@lists.freedesktop.org, alsa-devel@alsa-project.org Cc: tiwai@suse.de, pierre-louis.bossart@linux.intel.com, broonie@kernel.org, rakesh.a.ughreja@intel.com, jerome.anand@intel.com, ville.syrjala@linux.intel.com List-Id: alsa-devel@alsa-project.org Notifiations like mode change, hot plug and edid to the audio driver are added. This is inturn used by the audio driver for its functionality. A new interface file capturing the notifications needed by the audio driver is added Signed-off-by: Pierre-Louis Bossart Signed-off-by: Jerome Anand --- drivers/gpu/drm/i915/i915_drv.h | 2 ++ drivers/gpu/drm/i915/intel_audio.c | 8 ++++++ drivers/gpu/drm/i915/intel_hdmi.c | 1 + drivers/gpu/drm/i915/intel_lpe_audio.c | 49 ++++++++++++++++++++++++++++++++++ 4 files changed, 60 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index cc7033a..601c8ad 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -3623,6 +3623,8 @@ int intel_lpe_audio_setup(struct drm_i915_private *dev_priv); void intel_lpe_audio_teardown(struct drm_i915_private *dev_priv); void intel_lpe_audio_irq_handler(struct drm_i915_private *dev_priv); bool intel_lpe_audio_detect(struct drm_i915_private *dev_priv); +void intel_lpe_audio_notify(struct drm_i915_private *dev_priv, + void *eld, int port, int tmds_clk_speed); /* intel_i2c.c */ extern int intel_setup_gmbus(struct drm_i915_private *dev_priv); diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c index 16c2027..00a485e 100644 --- a/drivers/gpu/drm/i915/intel_audio.c +++ b/drivers/gpu/drm/i915/intel_audio.c @@ -24,6 +24,7 @@ #include #include #include +#include #include "intel_drv.h" #include @@ -630,6 +631,10 @@ void intel_audio_codec_enable(struct intel_encoder *intel_encoder, if (acomp && acomp->audio_ops && acomp->audio_ops->pin_eld_notify) acomp->audio_ops->pin_eld_notify(acomp->audio_ops->audio_ptr, (int) port, (int) pipe); + + if (HAS_LPE_AUDIO(dev_priv)) + intel_lpe_audio_notify(dev_priv, connector->eld, port, + crtc_state->port_clock); } /** @@ -663,6 +668,9 @@ void intel_audio_codec_disable(struct intel_encoder *intel_encoder) if (acomp && acomp->audio_ops && acomp->audio_ops->pin_eld_notify) acomp->audio_ops->pin_eld_notify(acomp->audio_ops->audio_ptr, (int) port, (int) pipe); + + if (HAS_LPE_AUDIO(dev_priv)) + intel_lpe_audio_notify(dev_priv, NULL, port, 0); } /** diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 0bcfead..377584e1 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -36,6 +36,7 @@ #include #include "intel_drv.h" #include +#include #include "i915_drv.h" static struct drm_device *intel_hdmi_to_dev(struct intel_hdmi *intel_hdmi) diff --git a/drivers/gpu/drm/i915/intel_lpe_audio.c b/drivers/gpu/drm/i915/intel_lpe_audio.c index 099732c..293084d 100644 --- a/drivers/gpu/drm/i915/intel_lpe_audio.c +++ b/drivers/gpu/drm/i915/intel_lpe_audio.c @@ -337,3 +337,52 @@ void intel_lpe_audio_teardown(struct drm_i915_private *dev_priv) irq_free_desc(dev_priv->lpe_audio.irq); } + + +/** + * intel_lpe_audio_notify() - notify lpe audio event + * audio driver and i915 + * @dev_priv: the i915 drm device private data + * @eld : ELD data + * @port: port id + * @tmds_clk_speed: tmds clock frequency in Hz + * + * Notify lpe audio driver of eld change. + */ +void intel_lpe_audio_notify(struct drm_i915_private *dev_priv, + void *eld, int port, int tmds_clk_speed) +{ + unsigned long irq_flags; + struct intel_hdmi_lpe_audio_pdata *pdata = NULL; + + if (!HAS_LPE_AUDIO(dev_priv)) + return; + + pdata = dev_get_platdata( + &(dev_priv->lpe_audio.platdev->dev)); + + spin_lock_irqsave(&pdata->lpe_audio_slock, irq_flags); + + if (eld != NULL) { + memcpy(pdata->eld.eld_data, eld, + HDMI_MAX_ELD_BYTES); + pdata->eld.port_id = port; + pdata->hdmi_connected = true; + + if (tmds_clk_speed) + pdata->tmds_clock_speed = tmds_clk_speed; + } else { + memset(pdata->eld.eld_data, 0, + HDMI_MAX_ELD_BYTES); + pdata->hdmi_connected = false; + } + + if (pdata->notify_audio_lpe) + pdata->notify_audio_lpe( + (eld != NULL) ? &pdata->eld : NULL); + else + pdata->notify_pending = true; + + spin_unlock_irqrestore(&pdata->lpe_audio_slock, + irq_flags); +} -- 2.9.3