tmp = I915_READ(reg_eldv);
tmp &= bits_eldv;
- if (!eld[0])
- return !tmp;
-
if (!tmp)
return false;
return true;
}
-static void g4x_write_eld(struct drm_connector *connector,
- struct drm_crtc *crtc,
- struct drm_display_mode *mode)
+static void g4x_audio_codec_enable(struct drm_connector *connector,
+ struct intel_encoder *encoder,
+ struct drm_display_mode *mode)
{
struct drm_i915_private *dev_priv = connector->dev->dev_private;
uint8_t *eld = connector->eld;
if (intel_eld_uptodate(connector,
G4X_AUD_CNTL_ST, eldv,
- G4X_AUD_CNTL_ST, G4X_ELD_ADDR,
+ G4X_AUD_CNTL_ST, G4X_ELD_ADDR_MASK,
G4X_HDMIW_HDMIEDID))
return;
tmp = I915_READ(G4X_AUD_CNTL_ST);
- tmp &= ~(eldv | G4X_ELD_ADDR);
+ tmp &= ~(eldv | G4X_ELD_ADDR_MASK);
len = (tmp >> 9) & 0x1f; /* ELD buffer size */
I915_WRITE(G4X_AUD_CNTL_ST, tmp);
- if (!eld[0])
- return;
-
len = min_t(int, eld[2], len);
DRM_DEBUG_DRIVER("ELD size %d\n", len);
for (i = 0; i < len; i++)
I915_WRITE(G4X_AUD_CNTL_ST, tmp);
}
-static void haswell_write_eld(struct drm_connector *connector,
- struct drm_crtc *crtc,
- struct drm_display_mode *mode)
+static void hsw_audio_codec_disable(struct intel_encoder *encoder)
{
- struct drm_i915_private *dev_priv = connector->dev->dev_private;
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- uint8_t *eld = connector->eld;
- uint32_t eldv;
+ struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
+ enum pipe pipe = intel_crtc->pipe;
uint32_t tmp;
- int len, i;
- enum pipe pipe = to_intel_crtc(crtc)->pipe;
- enum port port;
- int hdmiw_hdmiedid = HSW_AUD_EDID_DATA(pipe);
- int aud_cntl_st = HSW_AUD_DIP_ELD_CTRL(pipe);
- int aud_config = HSW_AUD_CFG(pipe);
- int aud_cntrl_st2 = HSW_AUD_PIN_ELD_CP_VLD;
-
- /* Audio output enable */
- DRM_DEBUG_DRIVER("HDMI audio: enable codec\n");
- tmp = I915_READ(aud_cntrl_st2);
- tmp |= (AUDIO_OUTPUT_ENABLE_A << (pipe * 4));
- I915_WRITE(aud_cntrl_st2, tmp);
- POSTING_READ(aud_cntrl_st2);
-
- assert_pipe_disabled(dev_priv, to_intel_crtc(crtc)->pipe);
-
- /* Set ELD valid state */
- tmp = I915_READ(aud_cntrl_st2);
- DRM_DEBUG_DRIVER("HDMI audio: pin eld vld status=0x%08x\n", tmp);
- tmp |= (AUDIO_ELD_VALID_A << (pipe * 4));
- I915_WRITE(aud_cntrl_st2, tmp);
- tmp = I915_READ(aud_cntrl_st2);
- DRM_DEBUG_DRIVER("HDMI audio: eld vld status=0x%08x\n", tmp);
-
- /* Enable HDMI mode */
- tmp = I915_READ(aud_config);
- DRM_DEBUG_DRIVER("HDMI audio: audio conf: 0x%08x\n", tmp);
- /* clear N_programing_enable and N_value_index */
- tmp &= ~(AUD_CONFIG_N_VALUE_INDEX | AUD_CONFIG_N_PROG_ENABLE);
- I915_WRITE(aud_config, tmp);
-
- DRM_DEBUG_DRIVER("ELD on pipe %c\n", pipe_name(pipe));
-
- eldv = AUDIO_ELD_VALID_A << (pipe * 4);
-
- if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DISPLAYPORT)) {
- DRM_DEBUG_DRIVER("ELD: DisplayPort detected\n");
- eld[5] |= (1 << 2); /* Conn_Type, 0x1 = DisplayPort */
- I915_WRITE(aud_config, AUD_CONFIG_N_VALUE_INDEX); /* 0x1 = DP */
- } else {
- I915_WRITE(aud_config, audio_config_hdmi_pixel_clock(mode));
- }
-
- if (intel_eld_uptodate(connector,
- aud_cntrl_st2, eldv,
- aud_cntl_st, IBX_ELD_ADDRESS,
- hdmiw_hdmiedid))
- return;
-
- tmp = I915_READ(aud_cntrl_st2);
- tmp &= ~eldv;
- I915_WRITE(aud_cntrl_st2, tmp);
- if (!eld[0])
- return;
+ DRM_DEBUG_KMS("Disable audio codec on pipe %c\n", pipe_name(pipe));
+
+ /* Disable timestamps */
+ tmp = I915_READ(HSW_AUD_CFG(pipe));
+ 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(HSW_AUD_CFG(pipe), tmp);
+
+ /* Invalidate ELD */
+ tmp = I915_READ(HSW_AUD_PIN_ELD_CP_VLD);
+ tmp &= ~(AUDIO_ELD_VALID_A << (pipe * 4));
+ I915_WRITE(HSW_AUD_PIN_ELD_CP_VLD, tmp);
+}
- tmp = I915_READ(aud_cntl_st);
- tmp &= ~IBX_ELD_ADDRESS;
- I915_WRITE(aud_cntl_st, tmp);
- port = (tmp >> 29) & DIP_PORT_SEL_MASK; /* DIP_Port_Select, 0x1 = PortB */
- DRM_DEBUG_DRIVER("port num:%d\n", port);
+static void hsw_audio_codec_enable(struct drm_connector *connector,
+ struct intel_encoder *encoder,
+ struct drm_display_mode *mode)
+{
+ struct drm_i915_private *dev_priv = connector->dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
+ enum pipe pipe = intel_crtc->pipe;
+ const uint8_t *eld = connector->eld;
+ uint32_t tmp;
+ int len, i;
- len = min_t(int, eld[2], 21); /* 84 bytes of hw ELD buffer */
- DRM_DEBUG_DRIVER("ELD size %d\n", len);
+ DRM_DEBUG_KMS("Enable audio codec on pipe %c, %u bytes ELD\n",
+ pipe_name(pipe), eld[2]);
+
+ /* Enable audio presence detect, invalidate ELD */
+ tmp = I915_READ(HSW_AUD_PIN_ELD_CP_VLD);
+ tmp |= AUDIO_OUTPUT_ENABLE_A << (pipe * 4);
+ tmp &= ~(AUDIO_ELD_VALID_A << (pipe * 4));
+ I915_WRITE(HSW_AUD_PIN_ELD_CP_VLD, tmp);
+
+ /*
+ * FIXME: We're supposed to wait for vblank here, but we have vblanks
+ * disabled during the mode set. The proper fix would be to push the
+ * rest of the setup into a vblank work item, queued here, but the
+ * infrastructure is not there yet.
+ */
+
+ /* Reset ELD write address */
+ tmp = I915_READ(HSW_AUD_DIP_ELD_CTRL(pipe));
+ tmp &= ~IBX_ELD_ADDRESS_MASK;
+ I915_WRITE(HSW_AUD_DIP_ELD_CTRL(pipe), tmp);
+
+ /* Up to 84 bytes of hw ELD buffer */
+ len = min_t(int, eld[2], 21);
for (i = 0; i < len; i++)
- I915_WRITE(hdmiw_hdmiedid, *((uint32_t *)eld + i));
-
- tmp = I915_READ(aud_cntrl_st2);
- tmp |= eldv;
- I915_WRITE(aud_cntrl_st2, tmp);
+ I915_WRITE(HSW_AUD_EDID_DATA(pipe), *((uint32_t *)eld + i));
+
+ /* ELD valid */
+ tmp = I915_READ(HSW_AUD_PIN_ELD_CP_VLD);
+ tmp |= AUDIO_ELD_VALID_A << (pipe * 4);
+ I915_WRITE(HSW_AUD_PIN_ELD_CP_VLD, tmp);
+
+ /* Enable timestamps */
+ tmp = I915_READ(HSW_AUD_CFG(pipe));
+ tmp &= ~AUD_CONFIG_N_VALUE_INDEX;
+ tmp &= ~AUD_CONFIG_N_PROG_ENABLE;
+ tmp &= ~AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK;
+ if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DISPLAYPORT))
+ tmp |= AUD_CONFIG_N_VALUE_INDEX;
+ else
+ tmp |= audio_config_hdmi_pixel_clock(mode);
+ I915_WRITE(HSW_AUD_CFG(pipe), tmp);
}
-static void ironlake_write_eld(struct drm_connector *connector,
- struct drm_crtc *crtc,
- struct drm_display_mode *mode)
+static void ilk_audio_codec_enable(struct drm_connector *connector,
+ struct intel_encoder *encoder,
+ struct drm_display_mode *mode)
{
struct drm_i915_private *dev_priv = connector->dev->dev_private;
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
uint8_t *eld = connector->eld;
uint32_t eldv;
uint32_t tmp;
int aud_config;
int aud_cntl_st;
int aud_cntrl_st2;
- enum pipe pipe = to_intel_crtc(crtc)->pipe;
+ enum pipe pipe = intel_crtc->pipe;
enum port port;
if (HAS_PCH_IBX(connector->dev)) {
DRM_DEBUG_DRIVER("ELD on pipe %c\n", pipe_name(pipe));
if (IS_VALLEYVIEW(connector->dev)) {
- struct intel_encoder *intel_encoder;
struct intel_digital_port *intel_dig_port;
- intel_encoder = intel_attached_encoder(connector);
- intel_dig_port = enc_to_dig_port(&intel_encoder->base);
+ intel_dig_port = enc_to_dig_port(&encoder->base);
port = intel_dig_port->port;
} else {
tmp = I915_READ(aud_cntl_st);
eldv = IBX_ELD_VALIDB << ((port - 1) * 4);
}
- if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DISPLAYPORT)) {
- DRM_DEBUG_DRIVER("ELD: DisplayPort detected\n");
- eld[5] |= (1 << 2); /* Conn_Type, 0x1 = DisplayPort */
+ if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DISPLAYPORT))
I915_WRITE(aud_config, AUD_CONFIG_N_VALUE_INDEX); /* 0x1 = DP */
- } else {
+ else
I915_WRITE(aud_config, audio_config_hdmi_pixel_clock(mode));
- }
if (intel_eld_uptodate(connector,
aud_cntrl_st2, eldv,
- aud_cntl_st, IBX_ELD_ADDRESS,
+ aud_cntl_st, IBX_ELD_ADDRESS_MASK,
hdmiw_hdmiedid))
return;
tmp &= ~eldv;
I915_WRITE(aud_cntrl_st2, tmp);
- if (!eld[0])
- return;
-
tmp = I915_READ(aud_cntl_st);
- tmp &= ~IBX_ELD_ADDRESS;
+ tmp &= ~IBX_ELD_ADDRESS_MASK;
I915_WRITE(aud_cntl_st, tmp);
len = min_t(int, eld[2], 21); /* 84 bytes of hw ELD buffer */
I915_WRITE(aud_cntrl_st2, tmp);
}
-void intel_write_eld(struct drm_encoder *encoder,
- struct drm_display_mode *mode)
+/**
+ * intel_audio_codec_enable - Enable the audio codec for HD audio
+ * @intel_encoder: encoder on which to enable audio
+ *
+ * The enable sequences may only be performed after enabling the transcoder and
+ * port, and after completed link training.
+ */
+void intel_audio_codec_enable(struct intel_encoder *intel_encoder)
{
- struct drm_crtc *crtc = encoder->crtc;
+ struct drm_encoder *encoder = &intel_encoder->base;
+ struct intel_crtc *crtc = to_intel_crtc(encoder->crtc);
+ struct drm_display_mode *mode = &crtc->config.adjusted_mode;
struct drm_connector *connector;
struct drm_device *dev = encoder->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
connector->encoder->base.id,
connector->encoder->name);
+ /* ELD Conn_Type */
+ connector->eld[5] &= ~(3 << 2);
+ if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT))
+ connector->eld[5] |= (1 << 2);
+
connector->eld[6] = drm_av_sync_delay(connector, mode) / 2;
- if (dev_priv->display.write_eld)
- dev_priv->display.write_eld(connector, crtc, mode);
+ if (dev_priv->display.audio_codec_enable)
+ dev_priv->display.audio_codec_enable(connector, intel_encoder, mode);
+}
+
+/**
+ * intel_audio_codec_disable - Disable the audio codec for HD audio
+ * @encoder: encoder on which to disable audio
+ *
+ * The disable sequences must be performed before disabling the transcoder or
+ * port.
+ */
+void intel_audio_codec_disable(struct intel_encoder *encoder)
+{
+ struct drm_device *dev = encoder->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ if (dev_priv->display.audio_codec_disable)
+ dev_priv->display.audio_codec_disable(encoder);
}
/**
{
struct drm_i915_private *dev_priv = dev->dev_private;
- if (IS_G4X(dev))
- dev_priv->display.write_eld = g4x_write_eld;
- else if (IS_VALLEYVIEW(dev))
- dev_priv->display.write_eld = ironlake_write_eld;
- else if (IS_HASWELL(dev) || INTEL_INFO(dev)->gen >= 8)
- dev_priv->display.write_eld = haswell_write_eld;
- else if (HAS_PCH_SPLIT(dev))
- dev_priv->display.write_eld = ironlake_write_eld;
+ if (IS_G4X(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;
+ } 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;
+ }
}
projects / deliverable / linux.git / blobdiff