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| author | Jani Nikula | 2014-10-27 15:26:55 +0100 |
|---|---|---|
| committer | Daniel Vetter | 2014-11-07 18:42:16 +0100 |
| commit | 495a5bb81d3469495d81dbec6290dbb1dfebd673 (patch) | |
| tree | 2a69b31e9dee75e1bd305a2ed3efc7a7fc79b083 /drivers/gpu/drm/i915/intel_audio.c | |
| parent | drm/i915/audio: rewrite vlv/chv and gen 5-7 audio codec enable sequence (diff) | |
| download | kernel-qcow2-linux-495a5bb81d3469495d81dbec6290dbb1dfebd673.tar.gz kernel-qcow2-linux-495a5bb81d3469495d81dbec6290dbb1dfebd673.tar.xz kernel-qcow2-linux-495a5bb81d3469495d81dbec6290dbb1dfebd673.zip | |
drm/i915/audio: add vlv/chv/gen5-7 audio codec disable sequence
Add support for disabling the audio codec on vlv/chv/gen5-7, similar to
hsw/bdw.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_audio.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_audio.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c index 8759fc509783..5c2d06c71ae7 100644 --- a/drivers/gpu/drm/i915/intel_audio.c +++ b/drivers/gpu/drm/i915/intel_audio.c @@ -209,6 +209,56 @@ static void hsw_audio_codec_enable(struct drm_connector *connector, I915_WRITE(HSW_AUD_CFG(pipe), tmp); } +static void ilk_audio_codec_disable(struct intel_encoder *encoder) +{ + struct drm_i915_private *dev_priv = encoder->base.dev->dev_private; + struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc); + struct intel_digital_port *intel_dig_port = + enc_to_dig_port(&encoder->base); + enum port port = intel_dig_port->port; + enum pipe pipe = intel_crtc->pipe; + uint32_t tmp, eldv; + int aud_config; + int aud_cntrl_st2; + + DRM_DEBUG_KMS("Disable audio codec on port %c, pipe %c\n", + port_name(port), pipe_name(pipe)); + + if (HAS_PCH_IBX(dev_priv->dev)) { + aud_config = IBX_AUD_CFG(pipe); + aud_cntrl_st2 = IBX_AUD_CNTL_ST2; + } else if (IS_VALLEYVIEW(dev_priv)) { + aud_config = VLV_AUD_CFG(pipe); + aud_cntrl_st2 = VLV_AUD_CNTL_ST2; + } else { + aud_config = CPT_AUD_CFG(pipe); + aud_cntrl_st2 = CPT_AUD_CNTRL_ST2; + } + + /* Disable timestamps */ + tmp = I915_READ(aud_config); + tmp &= ~AUD_CONFIG_N_VALUE_INDEX; + tmp |= AUD_CONFIG_N_PROG_ENABLE; + tmp &= ~AUD_CONFIG_UPPER_N_MASK; + tmp &= ~AUD_CONFIG_LOWER_N_MASK; + if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DISPLAYPORT)) + tmp |= AUD_CONFIG_N_VALUE_INDEX; + I915_WRITE(aud_config, tmp); + + if (WARN_ON(!port)) { + eldv = IBX_ELD_VALIDB; + eldv |= IBX_ELD_VALIDB << 4; + eldv |= IBX_ELD_VALIDB << 8; + } else { + eldv = IBX_ELD_VALIDB << ((port - 1) * 4); + } + + /* Invalidate ELD */ + tmp = I915_READ(aud_cntrl_st2); + tmp &= ~eldv; + I915_WRITE(aud_cntrl_st2, tmp); +} + static void ilk_audio_codec_enable(struct drm_connector *connector, struct intel_encoder *encoder, struct drm_display_mode *mode) @@ -360,10 +410,12 @@ void intel_init_audio(struct drm_device *dev) dev_priv->display.audio_codec_enable = g4x_audio_codec_enable; } else if (IS_VALLEYVIEW(dev)) { dev_priv->display.audio_codec_enable = ilk_audio_codec_enable; + dev_priv->display.audio_codec_disable = ilk_audio_codec_disable; } else if (IS_HASWELL(dev) || INTEL_INFO(dev)->gen >= 8) { dev_priv->display.audio_codec_enable = hsw_audio_codec_enable; dev_priv->display.audio_codec_disable = hsw_audio_codec_disable; } else if (HAS_PCH_SPLIT(dev)) { dev_priv->display.audio_codec_enable = ilk_audio_codec_enable; + dev_priv->display.audio_codec_disable = ilk_audio_codec_disable; } } |