aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/i915/intel_audio.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/i915/intel_audio.c')
-rw-r--r--drivers/gpu/drm/i915/intel_audio.c208
1 files changed, 114 insertions, 94 deletions
diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c
index 0ddba16fde1b..4a01f62a392d 100644
--- a/drivers/gpu/drm/i915/intel_audio.c
+++ b/drivers/gpu/drm/i915/intel_audio.c
@@ -102,13 +102,13 @@ static const struct dp_aud_n_m dp_aud_n_m[] = {
};
static const struct dp_aud_n_m *
-audio_config_dp_get_n_m(struct intel_crtc *intel_crtc, int rate)
+audio_config_dp_get_n_m(const struct intel_crtc_state *crtc_state, int rate)
{
int i;
for (i = 0; i < ARRAY_SIZE(dp_aud_n_m); i++) {
if (rate == dp_aud_n_m[i].sample_rate &&
- intel_crtc->config->port_clock == dp_aud_n_m[i].clock)
+ crtc_state->port_clock == dp_aud_n_m[i].clock)
return &dp_aud_n_m[i];
}
@@ -157,8 +157,10 @@ static const struct {
};
/* get AUD_CONFIG_PIXEL_CLOCK_HDMI_* value for mode */
-static u32 audio_config_hdmi_pixel_clock(const struct drm_display_mode *adjusted_mode)
+static u32 audio_config_hdmi_pixel_clock(const struct intel_crtc_state *crtc_state)
{
+ const struct drm_display_mode *adjusted_mode =
+ &crtc_state->base.adjusted_mode;
int i;
for (i = 0; i < ARRAY_SIZE(hdmi_audio_clock); i++) {
@@ -179,9 +181,11 @@ static u32 audio_config_hdmi_pixel_clock(const struct drm_display_mode *adjusted
return hdmi_audio_clock[i].config;
}
-static int audio_config_hdmi_get_n(const struct drm_display_mode *adjusted_mode,
+static int audio_config_hdmi_get_n(const struct intel_crtc_state *crtc_state,
int rate)
{
+ const struct drm_display_mode *adjusted_mode =
+ &crtc_state->base.adjusted_mode;
int i;
for (i = 0; i < ARRAY_SIZE(hdmi_aud_ncts); i++) {
@@ -220,7 +224,9 @@ static bool intel_eld_uptodate(struct drm_connector *connector,
return true;
}
-static void g4x_audio_codec_disable(struct intel_encoder *encoder)
+static void g4x_audio_codec_disable(struct intel_encoder *encoder,
+ const struct intel_crtc_state *old_crtc_state,
+ const struct drm_connector_state *old_conn_state)
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
uint32_t eldv, tmp;
@@ -239,11 +245,12 @@ static void g4x_audio_codec_disable(struct intel_encoder *encoder)
I915_WRITE(G4X_AUD_CNTL_ST, tmp);
}
-static void g4x_audio_codec_enable(struct drm_connector *connector,
- struct intel_encoder *encoder,
- const struct drm_display_mode *adjusted_mode)
+static void g4x_audio_codec_enable(struct intel_encoder *encoder,
+ const struct intel_crtc_state *crtc_state,
+ const struct drm_connector_state *conn_state)
{
- struct drm_i915_private *dev_priv = to_i915(connector->dev);
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ struct drm_connector *connector = conn_state->connector;
uint8_t *eld = connector->eld;
uint32_t eldv;
uint32_t tmp;
@@ -279,16 +286,20 @@ static void g4x_audio_codec_enable(struct drm_connector *connector,
}
static void
-hsw_dp_audio_config_update(struct intel_crtc *intel_crtc, enum port port,
- const struct drm_display_mode *adjusted_mode)
+hsw_dp_audio_config_update(struct intel_encoder *encoder,
+ const struct intel_crtc_state *crtc_state)
{
- struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev);
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct i915_audio_component *acomp = dev_priv->audio_component;
- int rate = acomp ? acomp->aud_sample_rate[port] : 0;
- const struct dp_aud_n_m *nm = audio_config_dp_get_n_m(intel_crtc, rate);
- enum pipe pipe = intel_crtc->pipe;
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
+ enum port port = encoder->port;
+ enum pipe pipe = crtc->pipe;
+ const struct dp_aud_n_m *nm;
+ int rate;
u32 tmp;
+ rate = acomp ? acomp->aud_sample_rate[port] : 0;
+ nm = audio_config_dp_get_n_m(crtc_state, rate);
if (nm)
DRM_DEBUG_KMS("using Maud %u, Naud %u\n", nm->m, nm->n);
else
@@ -323,23 +334,26 @@ hsw_dp_audio_config_update(struct intel_crtc *intel_crtc, enum port port,
}
static void
-hsw_hdmi_audio_config_update(struct intel_crtc *intel_crtc, enum port port,
- const struct drm_display_mode *adjusted_mode)
+hsw_hdmi_audio_config_update(struct intel_encoder *encoder,
+ const struct intel_crtc_state *crtc_state)
{
- struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev);
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct i915_audio_component *acomp = dev_priv->audio_component;
- int rate = acomp ? acomp->aud_sample_rate[port] : 0;
- enum pipe pipe = intel_crtc->pipe;
- int n;
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
+ enum port port = encoder->port;
+ enum pipe pipe = crtc->pipe;
+ int n, rate;
u32 tmp;
+ rate = acomp ? acomp->aud_sample_rate[port] : 0;
+
tmp = I915_READ(HSW_AUD_CFG(pipe));
tmp &= ~AUD_CONFIG_N_VALUE_INDEX;
tmp &= ~AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK;
tmp &= ~AUD_CONFIG_N_PROG_ENABLE;
- tmp |= audio_config_hdmi_pixel_clock(adjusted_mode);
+ tmp |= audio_config_hdmi_pixel_clock(crtc_state);
- n = audio_config_hdmi_get_n(adjusted_mode, rate);
+ n = audio_config_hdmi_get_n(crtc_state, rate);
if (n != 0) {
DRM_DEBUG_KMS("using N %d\n", n);
@@ -363,20 +377,22 @@ hsw_hdmi_audio_config_update(struct intel_crtc *intel_crtc, enum port port,
}
static void
-hsw_audio_config_update(struct intel_crtc *intel_crtc, enum port port,
- const struct drm_display_mode *adjusted_mode)
+hsw_audio_config_update(struct intel_encoder *encoder,
+ const struct intel_crtc_state *crtc_state)
{
- if (intel_crtc_has_dp_encoder(intel_crtc->config))
- hsw_dp_audio_config_update(intel_crtc, port, adjusted_mode);
+ if (intel_crtc_has_dp_encoder(crtc_state))
+ hsw_dp_audio_config_update(encoder, crtc_state);
else
- hsw_hdmi_audio_config_update(intel_crtc, port, adjusted_mode);
+ hsw_hdmi_audio_config_update(encoder, crtc_state);
}
-static void hsw_audio_codec_disable(struct intel_encoder *encoder)
+static void hsw_audio_codec_disable(struct intel_encoder *encoder,
+ const struct intel_crtc_state *old_crtc_state,
+ const struct drm_connector_state *old_conn_state)
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
- struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
- enum pipe pipe = intel_crtc->pipe;
+ struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->base.crtc);
+ enum pipe pipe = crtc->pipe;
uint32_t tmp;
DRM_DEBUG_KMS("Disable audio codec on pipe %c\n", pipe_name(pipe));
@@ -389,7 +405,7 @@ static void hsw_audio_codec_disable(struct intel_encoder *encoder)
tmp |= AUD_CONFIG_N_PROG_ENABLE;
tmp &= ~AUD_CONFIG_UPPER_N_MASK;
tmp &= ~AUD_CONFIG_LOWER_N_MASK;
- if (intel_crtc_has_dp_encoder(intel_crtc->config))
+ if (intel_crtc_has_dp_encoder(old_crtc_state))
tmp |= AUD_CONFIG_N_VALUE_INDEX;
I915_WRITE(HSW_AUD_CFG(pipe), tmp);
@@ -402,14 +418,14 @@ static void hsw_audio_codec_disable(struct intel_encoder *encoder)
mutex_unlock(&dev_priv->av_mutex);
}
-static void hsw_audio_codec_enable(struct drm_connector *connector,
- struct intel_encoder *intel_encoder,
- const struct drm_display_mode *adjusted_mode)
+static void hsw_audio_codec_enable(struct intel_encoder *encoder,
+ const struct intel_crtc_state *crtc_state,
+ const struct drm_connector_state *conn_state)
{
- struct drm_i915_private *dev_priv = to_i915(connector->dev);
- struct intel_crtc *intel_crtc = to_intel_crtc(intel_encoder->base.crtc);
- enum pipe pipe = intel_crtc->pipe;
- enum port port = intel_encoder->port;
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
+ struct drm_connector *connector = conn_state->connector;
+ enum pipe pipe = crtc->pipe;
const uint8_t *eld = connector->eld;
uint32_t tmp;
int len, i;
@@ -448,17 +464,19 @@ static void hsw_audio_codec_enable(struct drm_connector *connector,
I915_WRITE(HSW_AUD_PIN_ELD_CP_VLD, tmp);
/* Enable timestamps */
- hsw_audio_config_update(intel_crtc, port, adjusted_mode);
+ hsw_audio_config_update(encoder, crtc_state);
mutex_unlock(&dev_priv->av_mutex);
}
-static void ilk_audio_codec_disable(struct intel_encoder *intel_encoder)
+static void ilk_audio_codec_disable(struct intel_encoder *encoder,
+ const struct intel_crtc_state *old_crtc_state,
+ const struct drm_connector_state *old_conn_state)
{
- struct drm_i915_private *dev_priv = to_i915(intel_encoder->base.dev);
- struct intel_crtc *intel_crtc = to_intel_crtc(intel_encoder->base.crtc);
- enum pipe pipe = intel_crtc->pipe;
- enum port port = intel_encoder->port;
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->base.crtc);
+ enum pipe pipe = crtc->pipe;
+ enum port port = encoder->port;
uint32_t tmp, eldv;
i915_reg_t aud_config, aud_cntrl_st2;
@@ -485,7 +503,7 @@ static void ilk_audio_codec_disable(struct intel_encoder *intel_encoder)
tmp |= AUD_CONFIG_N_PROG_ENABLE;
tmp &= ~AUD_CONFIG_UPPER_N_MASK;
tmp &= ~AUD_CONFIG_LOWER_N_MASK;
- if (intel_crtc_has_dp_encoder(intel_crtc->config))
+ if (intel_crtc_has_dp_encoder(old_crtc_state))
tmp |= AUD_CONFIG_N_VALUE_INDEX;
I915_WRITE(aud_config, tmp);
@@ -497,14 +515,15 @@ static void ilk_audio_codec_disable(struct intel_encoder *intel_encoder)
I915_WRITE(aud_cntrl_st2, tmp);
}
-static void ilk_audio_codec_enable(struct drm_connector *connector,
- struct intel_encoder *intel_encoder,
- const struct drm_display_mode *adjusted_mode)
+static void ilk_audio_codec_enable(struct intel_encoder *encoder,
+ const struct intel_crtc_state *crtc_state,
+ const struct drm_connector_state *conn_state)
{
- struct drm_i915_private *dev_priv = to_i915(connector->dev);
- struct intel_crtc *intel_crtc = to_intel_crtc(intel_encoder->base.crtc);
- enum pipe pipe = intel_crtc->pipe;
- enum port port = intel_encoder->port;
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
+ struct drm_connector *connector = conn_state->connector;
+ enum pipe pipe = crtc->pipe;
+ enum port port = encoder->port;
uint8_t *eld = connector->eld;
uint32_t tmp, eldv;
int len, i;
@@ -568,36 +587,36 @@ static void ilk_audio_codec_enable(struct drm_connector *connector,
tmp &= ~AUD_CONFIG_N_VALUE_INDEX;
tmp &= ~AUD_CONFIG_N_PROG_ENABLE;
tmp &= ~AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK;
- if (intel_crtc_has_dp_encoder(intel_crtc->config))
+ if (intel_crtc_has_dp_encoder(crtc_state))
tmp |= AUD_CONFIG_N_VALUE_INDEX;
else
- tmp |= audio_config_hdmi_pixel_clock(adjusted_mode);
+ tmp |= audio_config_hdmi_pixel_clock(crtc_state);
I915_WRITE(aud_config, tmp);
}
/**
* intel_audio_codec_enable - Enable the audio codec for HD audio
- * @intel_encoder: encoder on which to enable audio
+ * @encoder: encoder on which to enable audio
* @crtc_state: pointer to the current crtc state.
* @conn_state: pointer to the current connector state.
*
* 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,
+void intel_audio_codec_enable(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)
{
- struct drm_encoder *encoder = &intel_encoder->base;
- const struct drm_display_mode *adjusted_mode = &crtc_state->base.adjusted_mode;
- struct drm_connector *connector;
- struct drm_i915_private *dev_priv = to_i915(encoder->dev);
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct i915_audio_component *acomp = dev_priv->audio_component;
- enum port port = intel_encoder->port;
- enum pipe pipe = to_intel_crtc(crtc_state->base.crtc)->pipe;
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
+ struct drm_connector *connector = conn_state->connector;
+ const struct drm_display_mode *adjusted_mode =
+ &crtc_state->base.adjusted_mode;
+ enum port port = encoder->port;
+ enum pipe pipe = crtc->pipe;
- connector = conn_state->connector;
- if (!connector || !connector->eld[0])
+ if (!connector->eld[0])
return;
DRM_DEBUG_DRIVER("ELD on [CONNECTOR:%d:%s], [ENCODER:%d:%s]\n",
@@ -609,19 +628,20 @@ void intel_audio_codec_enable(struct intel_encoder *intel_encoder,
connector->eld[6] = drm_av_sync_delay(connector, adjusted_mode) / 2;
if (dev_priv->display.audio_codec_enable)
- dev_priv->display.audio_codec_enable(connector, intel_encoder,
- adjusted_mode);
+ dev_priv->display.audio_codec_enable(encoder,
+ crtc_state,
+ conn_state);
mutex_lock(&dev_priv->av_mutex);
- intel_encoder->audio_connector = connector;
+ encoder->audio_connector = connector;
/* referred in audio callbacks */
- dev_priv->av_enc_map[pipe] = intel_encoder;
+ dev_priv->av_enc_map[pipe] = encoder;
mutex_unlock(&dev_priv->av_mutex);
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)
+ if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST))
pipe = -1;
acomp->audio_ops->pin_eld_notify(acomp->audio_ops->audio_ptr,
(int) port, (int) pipe);
@@ -629,36 +649,41 @@ void intel_audio_codec_enable(struct intel_encoder *intel_encoder,
intel_lpe_audio_notify(dev_priv, pipe, port, connector->eld,
crtc_state->port_clock,
- intel_encoder->type == INTEL_OUTPUT_DP);
+ intel_crtc_has_dp_encoder(crtc_state));
}
/**
* intel_audio_codec_disable - Disable the audio codec for HD audio
- * @intel_encoder: encoder on which to disable audio
+ * @encoder: encoder on which to disable audio
+ * @old_crtc_state: pointer to the old crtc state.
+ * @old_conn_state: pointer to the old connector state.
*
* The disable sequences must be performed before disabling the transcoder or
* port.
*/
-void intel_audio_codec_disable(struct intel_encoder *intel_encoder)
+void intel_audio_codec_disable(struct intel_encoder *encoder,
+ const struct intel_crtc_state *old_crtc_state,
+ const struct drm_connector_state *old_conn_state)
{
- struct drm_encoder *encoder = &intel_encoder->base;
- struct drm_i915_private *dev_priv = to_i915(encoder->dev);
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct i915_audio_component *acomp = dev_priv->audio_component;
- enum port port = intel_encoder->port;
- struct intel_crtc *crtc = to_intel_crtc(encoder->crtc);
+ struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->base.crtc);
+ enum port port = encoder->port;
enum pipe pipe = crtc->pipe;
if (dev_priv->display.audio_codec_disable)
- dev_priv->display.audio_codec_disable(intel_encoder);
+ dev_priv->display.audio_codec_disable(encoder,
+ old_crtc_state,
+ old_conn_state);
mutex_lock(&dev_priv->av_mutex);
- intel_encoder->audio_connector = NULL;
+ encoder->audio_connector = NULL;
dev_priv->av_enc_map[pipe] = NULL;
mutex_unlock(&dev_priv->av_mutex);
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)
+ if (!intel_crtc_has_type(old_crtc_state, INTEL_OUTPUT_DP_MST))
pipe = -1;
acomp->audio_ops->pin_eld_notify(acomp->audio_ops->audio_ptr,
(int) port, (int) pipe);
@@ -754,11 +779,11 @@ static struct intel_encoder *get_saved_enc(struct drm_i915_private *dev_priv,
{
struct intel_encoder *encoder;
- if (WARN_ON(pipe >= INTEL_INFO(dev_priv)->num_pipes))
- return NULL;
-
/* MST */
if (pipe >= 0) {
+ if (WARN_ON(pipe >= ARRAY_SIZE(dev_priv->av_enc_map)))
+ return NULL;
+
encoder = dev_priv->av_enc_map[pipe];
/*
* when bootup, audio driver may not know it is
@@ -793,10 +818,9 @@ static int i915_audio_component_sync_audio_rate(struct device *kdev, int port,
int pipe, int rate)
{
struct drm_i915_private *dev_priv = kdev_to_i915(kdev);
- struct intel_encoder *intel_encoder;
- struct intel_crtc *crtc;
- struct drm_display_mode *adjusted_mode;
struct i915_audio_component *acomp = dev_priv->audio_component;
+ struct intel_encoder *encoder;
+ struct intel_crtc *crtc;
int err = 0;
if (!HAS_DDI(dev_priv))
@@ -806,23 +830,19 @@ static int i915_audio_component_sync_audio_rate(struct device *kdev, int port,
mutex_lock(&dev_priv->av_mutex);
/* 1. get the pipe */
- intel_encoder = get_saved_enc(dev_priv, port, pipe);
- if (!intel_encoder || !intel_encoder->base.crtc) {
+ encoder = get_saved_enc(dev_priv, port, pipe);
+ if (!encoder || !encoder->base.crtc) {
DRM_DEBUG_KMS("Not valid for port %c\n", port_name(port));
err = -ENODEV;
goto unlock;
}
- /* pipe passed from the audio driver will be -1 for Non-MST case */
- crtc = to_intel_crtc(intel_encoder->base.crtc);
- pipe = crtc->pipe;
-
- adjusted_mode = &crtc->config->base.adjusted_mode;
+ crtc = to_intel_crtc(encoder->base.crtc);
/* port must be valid now, otherwise the pipe will be invalid */
acomp->aud_sample_rate[port] = rate;
- hsw_audio_config_update(crtc, port, adjusted_mode);
+ hsw_audio_config_update(encoder, crtc->config);
unlock:
mutex_unlock(&dev_priv->av_mutex);