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path: root/drivers/gpu/drm/i915/intel_audio.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_audio.c')
-rw-r--r--drivers/gpu/drm/i915/intel_audio.c102
1 files changed, 65 insertions, 37 deletions
diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c
index 4dccd9b003a1..de465f2876d1 100644
--- a/drivers/gpu/drm/i915/intel_audio.c
+++ b/drivers/gpu/drm/i915/intel_audio.c
@@ -161,9 +161,9 @@ static bool audio_rate_need_prog(struct intel_crtc *crtc,
}
static bool intel_eld_uptodate(struct drm_connector *connector,
- int reg_eldv, uint32_t bits_eldv,
- int reg_elda, uint32_t bits_elda,
- int reg_edid)
+ i915_reg_t reg_eldv, uint32_t bits_eldv,
+ i915_reg_t reg_elda, uint32_t bits_elda,
+ i915_reg_t reg_edid)
{
struct drm_i915_private *dev_priv = connector->dev->dev_private;
uint8_t *eld = connector->eld;
@@ -364,8 +364,7 @@ static void ilk_audio_codec_disable(struct intel_encoder *encoder)
enum port port = intel_dig_port->port;
enum pipe pipe = intel_crtc->pipe;
uint32_t tmp, eldv;
- int aud_config;
- int aud_cntrl_st2;
+ i915_reg_t aud_config, aud_cntrl_st2;
DRM_DEBUG_KMS("Disable audio codec on port %c, pipe %c\n",
port_name(port), pipe_name(pipe));
@@ -416,10 +415,7 @@ static void ilk_audio_codec_enable(struct drm_connector *connector,
uint32_t eldv;
uint32_t tmp;
int len, i;
- int hdmiw_hdmiedid;
- int aud_config;
- int aud_cntl_st;
- int aud_cntrl_st2;
+ i915_reg_t hdmiw_hdmiedid, aud_config, aud_cntl_st, aud_cntrl_st2;
DRM_DEBUG_KMS("Enable audio codec on port %c, pipe %c, %u bytes ELD\n",
port_name(port), pipe_name(pipe), drm_eld_size(eld));
@@ -525,6 +521,10 @@ void intel_audio_codec_enable(struct intel_encoder *intel_encoder)
dev_priv->display.audio_codec_enable(connector, intel_encoder,
adjusted_mode);
+ mutex_lock(&dev_priv->av_mutex);
+ intel_dig_port->audio_connector = connector;
+ mutex_unlock(&dev_priv->av_mutex);
+
if (acomp && acomp->audio_ops && acomp->audio_ops->pin_eld_notify)
acomp->audio_ops->pin_eld_notify(acomp->audio_ops->audio_ptr, (int) port);
}
@@ -548,6 +548,10 @@ void intel_audio_codec_disable(struct intel_encoder *intel_encoder)
if (dev_priv->display.audio_codec_disable)
dev_priv->display.audio_codec_disable(intel_encoder);
+ mutex_lock(&dev_priv->av_mutex);
+ intel_dig_port->audio_connector = NULL;
+ mutex_unlock(&dev_priv->av_mutex);
+
if (acomp && acomp->audio_ops && acomp->audio_ops->pin_eld_notify)
acomp->audio_ops->pin_eld_notify(acomp->audio_ops->audio_ptr, (int) port);
}
@@ -591,7 +595,7 @@ static void i915_audio_component_codec_wake_override(struct device *dev,
struct drm_i915_private *dev_priv = dev_to_i915(dev);
u32 tmp;
- if (!IS_SKYLAKE(dev_priv))
+ if (!IS_SKYLAKE(dev_priv) && !IS_KABYLAKE(dev_priv))
return;
/*
@@ -632,44 +636,40 @@ static int i915_audio_component_sync_audio_rate(struct device *dev,
int port, int rate)
{
struct drm_i915_private *dev_priv = dev_to_i915(dev);
- struct drm_device *drm_dev = dev_priv->dev;
struct intel_encoder *intel_encoder;
- struct intel_digital_port *intel_dig_port;
struct intel_crtc *crtc;
struct drm_display_mode *mode;
struct i915_audio_component *acomp = dev_priv->audio_component;
- enum pipe pipe = -1;
+ enum pipe pipe = INVALID_PIPE;
u32 tmp;
int n;
+ int err = 0;
- /* HSW, BDW SKL need this fix */
+ /* HSW, BDW, SKL, KBL need this fix */
if (!IS_SKYLAKE(dev_priv) &&
- !IS_BROADWELL(dev_priv) &&
- !IS_HASWELL(dev_priv))
+ !IS_KABYLAKE(dev_priv) &&
+ !IS_BROADWELL(dev_priv) &&
+ !IS_HASWELL(dev_priv))
return 0;
mutex_lock(&dev_priv->av_mutex);
/* 1. get the pipe */
- for_each_intel_encoder(drm_dev, intel_encoder) {
- if (intel_encoder->type != INTEL_OUTPUT_HDMI)
- continue;
- intel_dig_port = enc_to_dig_port(&intel_encoder->base);
- if (port == intel_dig_port->port) {
- crtc = to_intel_crtc(intel_encoder->base.crtc);
- if (!crtc) {
- DRM_DEBUG_KMS("%s: crtc is NULL\n", __func__);
- continue;
- }
- pipe = crtc->pipe;
- break;
- }
+ intel_encoder = dev_priv->dig_port_map[port];
+ /* intel_encoder might be NULL for DP MST */
+ if (!intel_encoder || !intel_encoder->base.crtc ||
+ intel_encoder->type != INTEL_OUTPUT_HDMI) {
+ DRM_DEBUG_KMS("no valid port %c\n", port_name(port));
+ err = -ENODEV;
+ goto unlock;
}
-
+ crtc = to_intel_crtc(intel_encoder->base.crtc);
+ pipe = crtc->pipe;
if (pipe == INVALID_PIPE) {
DRM_DEBUG_KMS("no pipe for the port %c\n", port_name(port));
- mutex_unlock(&dev_priv->av_mutex);
- return -ENODEV;
+ err = -ENODEV;
+ goto unlock;
}
+
DRM_DEBUG_KMS("pipe %c connects port %c\n",
pipe_name(pipe), port_name(port));
mode = &crtc->config->base.adjusted_mode;
@@ -682,8 +682,7 @@ static int i915_audio_component_sync_audio_rate(struct device *dev,
tmp = I915_READ(HSW_AUD_CFG(pipe));
tmp &= ~AUD_CONFIG_N_PROG_ENABLE;
I915_WRITE(HSW_AUD_CFG(pipe), tmp);
- mutex_unlock(&dev_priv->av_mutex);
- return 0;
+ goto unlock;
}
n = audio_config_get_n(mode, rate);
@@ -693,8 +692,7 @@ static int i915_audio_component_sync_audio_rate(struct device *dev,
tmp = I915_READ(HSW_AUD_CFG(pipe));
tmp &= ~AUD_CONFIG_N_PROG_ENABLE;
I915_WRITE(HSW_AUD_CFG(pipe), tmp);
- mutex_unlock(&dev_priv->av_mutex);
- return 0;
+ goto unlock;
}
/* 3. set the N/CTS/M */
@@ -702,8 +700,37 @@ static int i915_audio_component_sync_audio_rate(struct device *dev,
tmp = audio_config_setup_n_reg(n, tmp);
I915_WRITE(HSW_AUD_CFG(pipe), tmp);
+ unlock:
mutex_unlock(&dev_priv->av_mutex);
- return 0;
+ return err;
+}
+
+static int i915_audio_component_get_eld(struct device *dev, int port,
+ bool *enabled,
+ unsigned char *buf, int max_bytes)
+{
+ struct drm_i915_private *dev_priv = dev_to_i915(dev);
+ struct intel_encoder *intel_encoder;
+ struct intel_digital_port *intel_dig_port;
+ const u8 *eld;
+ int ret = -EINVAL;
+
+ mutex_lock(&dev_priv->av_mutex);
+ intel_encoder = dev_priv->dig_port_map[port];
+ /* intel_encoder might be NULL for DP MST */
+ if (intel_encoder) {
+ ret = 0;
+ intel_dig_port = enc_to_dig_port(&intel_encoder->base);
+ *enabled = intel_dig_port->audio_connector != NULL;
+ if (*enabled) {
+ eld = intel_dig_port->audio_connector->eld;
+ ret = drm_eld_size(eld);
+ memcpy(buf, eld, min(max_bytes, ret));
+ }
+ }
+
+ mutex_unlock(&dev_priv->av_mutex);
+ return ret;
}
static const struct i915_audio_component_ops i915_audio_component_ops = {
@@ -713,6 +740,7 @@ static const struct i915_audio_component_ops i915_audio_component_ops = {
.codec_wake_override = i915_audio_component_codec_wake_override,
.get_cdclk_freq = i915_audio_component_get_cdclk_freq,
.sync_audio_rate = i915_audio_component_sync_audio_rate,
+ .get_eld = i915_audio_component_get_eld,
};
static int i915_audio_component_bind(struct device *i915_dev,
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-15 17:13:25 +0000