diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_audio.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_audio.c | 102 |
1 files changed, 85 insertions, 17 deletions
diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c index 49f10538d4aa..d76f3033e890 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> @@ -623,13 +624,28 @@ void intel_audio_codec_enable(struct intel_encoder *intel_encoder, dev_priv->av_enc_map[pipe] = intel_encoder; mutex_unlock(&dev_priv->av_mutex); - /* audio drivers expect pipe = -1 to indicate Non-MST cases */ - if (intel_encoder->type != INTEL_OUTPUT_DP_MST) - pipe = -1; - - if (acomp && acomp->audio_ops && acomp->audio_ops->pin_eld_notify) + if (acomp && acomp->audio_ops && acomp->audio_ops->pin_eld_notify) { + /* audio drivers expect pipe = -1 to indicate Non-MST cases */ + if (intel_encoder->type != INTEL_OUTPUT_DP_MST) + pipe = -1; acomp->audio_ops->pin_eld_notify(acomp->audio_ops->audio_ptr, (int) port, (int) pipe); + } + + switch (intel_encoder->type) { + case INTEL_OUTPUT_HDMI: + intel_lpe_audio_notify(dev_priv, connector->eld, port, pipe, + crtc_state->port_clock, + false, 0); + break; + case INTEL_OUTPUT_DP: + intel_lpe_audio_notify(dev_priv, connector->eld, port, pipe, + adjusted_mode->crtc_clock, + true, crtc_state->port_clock); + break; + default: + break; + } } /** @@ -656,13 +672,15 @@ void intel_audio_codec_disable(struct intel_encoder *intel_encoder) dev_priv->av_enc_map[pipe] = NULL; mutex_unlock(&dev_priv->av_mutex); - /* audio drivers expect pipe = -1 to indicate Non-MST cases */ - if (intel_encoder->type != INTEL_OUTPUT_DP_MST) - pipe = -1; - - if (acomp && acomp->audio_ops && acomp->audio_ops->pin_eld_notify) + if (acomp && acomp->audio_ops && acomp->audio_ops->pin_eld_notify) { + /* audio drivers expect pipe = -1 to indicate Non-MST cases */ + if (intel_encoder->type != INTEL_OUTPUT_DP_MST) + pipe = -1; acomp->audio_ops->pin_eld_notify(acomp->audio_ops->audio_ptr, (int) port, (int) pipe); + } + + intel_lpe_audio_notify(dev_priv, NULL, port, pipe, 0, false, 0); } /** @@ -737,25 +755,49 @@ static int i915_audio_component_get_cdclk_freq(struct device *kdev) return dev_priv->cdclk_freq; } +/* + * get the intel_encoder according to the parameter port and pipe + * intel_encoder is saved by the index of pipe + * MST & (pipe >= 0): return the av_enc_map[pipe], + * when port is matched + * MST & (pipe < 0): this is invalid + * Non-MST & (pipe >= 0): only pipe = 0 (the first device entry) + * will get the right intel_encoder with port matched + * Non-MST & (pipe < 0): get the right intel_encoder with port matched + */ static struct intel_encoder *get_saved_enc(struct drm_i915_private *dev_priv, int port, int pipe) { + struct intel_encoder *encoder; if (WARN_ON(pipe >= I915_MAX_PIPES)) return NULL; /* MST */ - if (pipe >= 0) - return dev_priv->av_enc_map[pipe]; + if (pipe >= 0) { + encoder = dev_priv->av_enc_map[pipe]; + /* + * when bootup, audio driver may not know it is + * MST or not. So it will poll all the port & pipe + * combinations + */ + if (encoder != NULL && encoder->port == port && + encoder->type == INTEL_OUTPUT_DP_MST) + return encoder; + } /* Non-MST */ - for_each_pipe(dev_priv, pipe) { - struct intel_encoder *encoder; + if (pipe > 0) + return NULL; + for_each_pipe(dev_priv, pipe) { encoder = dev_priv->av_enc_map[pipe]; if (encoder == NULL) continue; + if (encoder->type == INTEL_OUTPUT_DP_MST) + continue; + if (port == encoder->port) return encoder; } @@ -781,9 +823,7 @@ static int i915_audio_component_sync_audio_rate(struct device *kdev, int port, /* 1. get the pipe */ intel_encoder = get_saved_enc(dev_priv, port, pipe); - if (!intel_encoder || !intel_encoder->base.crtc || - (intel_encoder->type != INTEL_OUTPUT_HDMI && - intel_encoder->type != INTEL_OUTPUT_DP)) { + if (!intel_encoder || !intel_encoder->base.crtc) { DRM_DEBUG_KMS("Not valid for port %c\n", port_name(port)); err = -ENODEV; goto unlock; @@ -906,6 +946,9 @@ void i915_audio_component_init(struct drm_i915_private *dev_priv) { int ret; + if (INTEL_INFO(dev_priv)->num_pipes == 0) + return; + ret = component_add(dev_priv->drm.dev, &i915_audio_component_bind_ops); if (ret < 0) { DRM_ERROR("failed to add audio component (%d)\n", ret); @@ -931,3 +974,28 @@ void i915_audio_component_cleanup(struct drm_i915_private *dev_priv) component_del(dev_priv->drm.dev, &i915_audio_component_bind_ops); dev_priv->audio_component_registered = false; } + +/** + * intel_audio_init() - Initialize the audio driver either using + * component framework or using lpe audio bridge + * @dev_priv: the i915 drm device private data + * + */ +void intel_audio_init(struct drm_i915_private *dev_priv) +{ + if (intel_lpe_audio_init(dev_priv) < 0) + i915_audio_component_init(dev_priv); +} + +/** + * intel_audio_deinit() - deinitialize the audio driver + * @dev_priv: the i915 drm device private data + * + */ +void intel_audio_deinit(struct drm_i915_private *dev_priv) +{ + if ((dev_priv)->lpe_audio.platdev != NULL) + intel_lpe_audio_teardown(dev_priv); + else + i915_audio_component_cleanup(dev_priv); +} |