On Wed, 25 Jan 2017, Jerome Anand jerome.anand@intel.com wrote:
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 pierre-louis.bossart@linux.intel.com Signed-off-by: Jerome Anand jerome.anand@intel.com
Acked-by: Jani Nikula jani.nikula@intel.com
drivers/gpu/drm/i915/i915_drv.h | 2 ++ drivers/gpu/drm/i915/intel_audio.c | 6 +++++ drivers/gpu/drm/i915/intel_hdmi.c | 1 + drivers/gpu/drm/i915/intel_lpe_audio.c | 49 ++++++++++++++++++++++++++++++++++ 4 files changed, 58 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 8b68f900..8a57744 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -3602,6 +3602,8 @@ void i915_teardown_sysfs(struct drm_i915_private *dev_priv); int intel_lpe_audio_init(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); +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 103159d..45a5406 100644 --- a/drivers/gpu/drm/i915/intel_audio.c +++ b/drivers/gpu/drm/i915/intel_audio.c @@ -24,6 +24,7 @@ #include <linux/kernel.h> #include <linux/component.h> #include <drm/i915_component.h> +#include <drm/intel_lpe_audio.h> #include "intel_drv.h"
#include <drm/drmP.h> @@ -630,6 +631,9 @@ 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);
- intel_lpe_audio_notify(dev_priv, connector->eld, port,
crtc_state->port_clock);}
/** @@ -663,6 +667,8 @@ 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);
- 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 <drm/drm_edid.h> #include "intel_drv.h" #include <drm/i915_drm.h> +#include <drm/intel_lpe_audio.h> #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 7ce1b5b..27d9425 100644 --- a/drivers/gpu/drm/i915/intel_lpe_audio.c +++ b/drivers/gpu/drm/i915/intel_lpe_audio.c @@ -319,3 +319,52 @@ 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);+}