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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>
hifive-unleashed-5.1
Jani Nikula 2014-10-27 16:26:55 +02:00 committed by Daniel Vetter
parent c6bde93b92
commit 495a5bb81d
3 changed files with 60 additions and 0 deletions
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52
drivers/gpu/drm/i915/intel_audio.c
View File

@ -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;
}
}

4
drivers/gpu/drm/i915/intel_dp.c
View File

@ -2454,6 +2454,10 @@ static void intel_disable_dp(struct intel_encoder *encoder)
{
struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
struct drm_device *dev = encoder->base.dev;
struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc);
if (crtc->config.has_audio)
intel_audio_codec_disable(encoder);
/* Make sure the panel is off before trying to change the mode. But also
* ensure that we have vdd while we switch off the panel. */

4
drivers/gpu/drm/i915/intel_hdmi.c
View File

@ -802,9 +802,13 @@ static void intel_disable_hdmi(struct intel_encoder *encoder)
struct drm_device *dev = encoder->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base);
struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc);
u32 temp;
u32 enable_bits = SDVO_ENABLE | SDVO_AUDIO_ENABLE;
if (crtc->config.has_audio)
intel_audio_codec_disable(encoder);
temp = I915_READ(intel_hdmi->hdmi_reg);
/* HW workaround for IBX, we need to move the port to transcoder A