int clock;
int n;
int cts;
-} aud_ncts[] = {
+} hdmi_aud_ncts[] = {
{ 44100, TMDS_296M, 4459, 234375 },
{ 44100, TMDS_297M, 4704, 247500 },
{ 48000, TMDS_296M, 5824, 281250 },
return hdmi_audio_clock[i].config;
}
-static int audio_config_get_n(const struct drm_display_mode *mode, int rate)
+static int audio_config_hdmi_get_n(const struct drm_display_mode *adjusted_mode,
+ int rate)
{
int i;
- for (i = 0; i < ARRAY_SIZE(aud_ncts); i++) {
- if ((rate == aud_ncts[i].sample_rate) &&
- (mode->clock == aud_ncts[i].clock)) {
- return aud_ncts[i].n;
+ for (i = 0; i < ARRAY_SIZE(hdmi_aud_ncts); i++) {
+ if (rate == hdmi_aud_ncts[i].sample_rate &&
+ adjusted_mode->crtc_clock == hdmi_aud_ncts[i].clock) {
+ return hdmi_aud_ncts[i].n;
}
}
return 0;
}
-static uint32_t audio_config_setup_n_reg(int n, uint32_t val)
-{
- int n_low, n_up;
- uint32_t tmp = val;
-
- n_low = n & 0xfff;
- n_up = (n >> 12) & 0xff;
- tmp &= ~(AUD_CONFIG_UPPER_N_MASK | AUD_CONFIG_LOWER_N_MASK);
- tmp |= ((n_up << AUD_CONFIG_UPPER_N_SHIFT) |
- (n_low << AUD_CONFIG_LOWER_N_SHIFT) |
- AUD_CONFIG_N_PROG_ENABLE);
- return tmp;
-}
-
-/* check whether N/CTS/M need be set manually */
-static bool audio_rate_need_prog(struct intel_crtc *crtc,
- const struct drm_display_mode *mode)
-{
- if (((mode->clock == TMDS_297M) ||
- (mode->clock == TMDS_296M)) &&
- intel_crtc_has_type(crtc->config, INTEL_OUTPUT_HDMI))
- return true;
- else
- return false;
-}
-
static bool intel_eld_uptodate(struct drm_connector *connector,
i915_reg_t reg_eldv, uint32_t bits_eldv,
i915_reg_t reg_elda, uint32_t bits_elda,
I915_WRITE(G4X_AUD_CNTL_ST, tmp);
}
+static void
+hsw_dp_audio_config_update(struct intel_crtc *intel_crtc, enum port port,
+ const struct drm_display_mode *adjusted_mode)
+{
+ struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev);
+ enum pipe pipe = intel_crtc->pipe;
+ u32 tmp;
+
+ 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 |= AUD_CONFIG_N_VALUE_INDEX;
+
+ I915_WRITE(HSW_AUD_CFG(pipe), tmp);
+}
+
+static void
+hsw_hdmi_audio_config_update(struct intel_crtc *intel_crtc, enum port port,
+ const struct drm_display_mode *adjusted_mode)
+{
+ struct drm_i915_private *dev_priv = to_i915(intel_crtc->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;
+ u32 tmp;
+
+ 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);
+
+ if (adjusted_mode->crtc_clock == TMDS_296M ||
+ adjusted_mode->crtc_clock == TMDS_297M) {
+ n = audio_config_hdmi_get_n(adjusted_mode, rate);
+ if (n != 0) {
+ tmp &= ~AUD_CONFIG_N_MASK;
+ tmp |= AUD_CONFIG_N(n);
+ tmp |= AUD_CONFIG_N_PROG_ENABLE;
+ } else {
+ DRM_DEBUG_KMS("no suitable N value is found\n");
+ }
+ }
+
+ I915_WRITE(HSW_AUD_CFG(pipe), tmp);
+}
+
+static void
+hsw_audio_config_update(struct intel_crtc *intel_crtc, enum port port,
+ const struct drm_display_mode *adjusted_mode)
+{
+ if (intel_crtc_has_dp_encoder(intel_crtc->config))
+ hsw_dp_audio_config_update(intel_crtc, port, adjusted_mode);
+ else
+ hsw_hdmi_audio_config_update(intel_crtc, port, adjusted_mode);
+}
+
static void hsw_audio_codec_disable(struct intel_encoder *encoder)
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
}
static void hsw_audio_codec_enable(struct drm_connector *connector,
- struct intel_encoder *encoder,
+ struct intel_encoder *intel_encoder,
const struct drm_display_mode *adjusted_mode)
{
struct drm_i915_private *dev_priv = to_i915(connector->dev);
- struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
+ struct intel_crtc *intel_crtc = to_intel_crtc(intel_encoder->base.crtc);
enum pipe pipe = intel_crtc->pipe;
- struct i915_audio_component *acomp = dev_priv->audio_component;
+ enum port port = intel_encoder->port;
const uint8_t *eld = connector->eld;
- struct intel_digital_port *intel_dig_port =
- enc_to_dig_port(&encoder->base);
- enum port port = intel_dig_port->port;
uint32_t tmp;
int len, i;
- int n, rate;
DRM_DEBUG_KMS("Enable audio codec on pipe %c, %u bytes ELD\n",
pipe_name(pipe), drm_eld_size(eld));
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_PIXEL_CLOCK_HDMI_MASK;
- if (intel_crtc_has_dp_encoder(intel_crtc->config))
- tmp |= AUD_CONFIG_N_VALUE_INDEX;
- else
- tmp |= audio_config_hdmi_pixel_clock(adjusted_mode);
-
- tmp &= ~AUD_CONFIG_N_PROG_ENABLE;
- if (audio_rate_need_prog(intel_crtc, adjusted_mode)) {
- if (!acomp)
- rate = 0;
- else if (port >= PORT_A && port <= PORT_E)
- rate = acomp->aud_sample_rate[port];
- else {
- DRM_ERROR("invalid port: %d\n", port);
- rate = 0;
- }
- n = audio_config_get_n(adjusted_mode, rate);
- if (n != 0)
- tmp = audio_config_setup_n_reg(n, tmp);
- else
- DRM_DEBUG_KMS("no suitable N value is found\n");
- }
-
- I915_WRITE(HSW_AUD_CFG(pipe), tmp);
+ hsw_audio_config_update(intel_crtc, port, adjusted_mode);
mutex_unlock(&dev_priv->av_mutex);
}
-static void ilk_audio_codec_disable(struct intel_encoder *encoder)
+static void ilk_audio_codec_disable(struct intel_encoder *intel_encoder)
{
- struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
- struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
- enum port port = enc_to_dig_port(&encoder->base)->port;
+ 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;
uint32_t tmp, eldv;
i915_reg_t aud_config, aud_cntrl_st2;
}
static void ilk_audio_codec_enable(struct drm_connector *connector,
- struct intel_encoder *encoder,
+ struct intel_encoder *intel_encoder,
const struct drm_display_mode *adjusted_mode)
{
struct drm_i915_private *dev_priv = to_i915(connector->dev);
- struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
- enum port port = enc_to_dig_port(&encoder->base)->port;
+ struct intel_crtc *intel_crtc = to_intel_crtc(intel_encoder->base.crtc);
enum pipe pipe = intel_crtc->pipe;
+ enum port port = intel_encoder->port;
uint8_t *eld = connector->eld;
uint32_t tmp, eldv;
int len, i;
struct intel_crtc *crtc = to_intel_crtc(encoder->crtc);
const struct drm_display_mode *adjusted_mode = &crtc->config->base.adjusted_mode;
struct drm_connector *connector;
- struct drm_device *dev = encoder->dev;
- struct drm_i915_private *dev_priv = to_i915(dev);
+ struct drm_i915_private *dev_priv = to_i915(encoder->dev);
struct i915_audio_component *acomp = dev_priv->audio_component;
- struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
- enum port port = intel_dig_port->port;
+ enum port port = intel_encoder->port;
+ enum pipe pipe = crtc->pipe;
connector = drm_select_eld(encoder);
if (!connector)
adjusted_mode);
mutex_lock(&dev_priv->av_mutex);
- intel_dig_port->audio_connector = connector;
+ intel_encoder->audio_connector = connector;
+
/* referred in audio callbacks */
- dev_priv->dig_port_map[port] = intel_encoder;
+ dev_priv->av_enc_map[pipe] = intel_encoder;
mutex_unlock(&dev_priv->av_mutex);
+ /* audio drivers expect pipe = -1 to indicate Non-MST cases */
+ if (intel_encoder->type != INTEL_OUTPUT_DP_MST)
+ pipe = -1;
+
if (acomp && acomp->audio_ops && acomp->audio_ops->pin_eld_notify)
- acomp->audio_ops->pin_eld_notify(acomp->audio_ops->audio_ptr, (int) port);
+ acomp->audio_ops->pin_eld_notify(acomp->audio_ops->audio_ptr,
+ (int) port, (int) pipe);
}
/**
void intel_audio_codec_disable(struct intel_encoder *intel_encoder)
{
struct drm_encoder *encoder = &intel_encoder->base;
- struct drm_device *dev = encoder->dev;
- struct drm_i915_private *dev_priv = to_i915(dev);
+ struct drm_i915_private *dev_priv = to_i915(encoder->dev);
struct i915_audio_component *acomp = dev_priv->audio_component;
- struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
- enum port port = intel_dig_port->port;
+ enum port port = intel_encoder->port;
+ struct intel_crtc *crtc = to_intel_crtc(encoder->crtc);
+ enum pipe pipe = crtc->pipe;
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;
- dev_priv->dig_port_map[port] = NULL;
+ intel_encoder->audio_connector = NULL;
+ dev_priv->av_enc_map[pipe] = NULL;
mutex_unlock(&dev_priv->av_mutex);
+ /* audio drivers expect pipe = -1 to indicate Non-MST cases */
+ if (intel_encoder->type != INTEL_OUTPUT_DP_MST)
+ pipe = -1;
+
if (acomp && acomp->audio_ops && acomp->audio_ops->pin_eld_notify)
- acomp->audio_ops->pin_eld_notify(acomp->audio_ops->audio_ptr, (int) port);
+ acomp->audio_ops->pin_eld_notify(acomp->audio_ops->audio_ptr,
+ (int) port, (int) pipe);
}
/**
return dev_priv->cdclk_freq;
}
-static int i915_audio_component_sync_audio_rate(struct device *kdev,
- int port, int rate)
+static struct intel_encoder *get_saved_enc(struct drm_i915_private *dev_priv,
+ int port, int pipe)
+{
+
+ if (WARN_ON(pipe >= I915_MAX_PIPES))
+ return NULL;
+
+ /* MST */
+ if (pipe >= 0)
+ return dev_priv->av_enc_map[pipe];
+
+ /* Non-MST */
+ for_each_pipe(dev_priv, pipe) {
+ struct intel_encoder *encoder;
+
+ encoder = dev_priv->av_enc_map[pipe];
+ if (encoder == NULL)
+ continue;
+
+ if (port == encoder->port)
+ return encoder;
+ }
+
+ return NULL;
+}
+
+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 *mode;
+ struct drm_display_mode *adjusted_mode;
struct i915_audio_component *acomp = dev_priv->audio_component;
- enum pipe pipe = INVALID_PIPE;
- u32 tmp;
- int n;
int err = 0;
- /* HSW, BDW, SKL, KBL need this fix */
- if (!IS_SKYLAKE(dev_priv) &&
- !IS_KABYLAKE(dev_priv) &&
- !IS_BROADWELL(dev_priv) &&
- !IS_HASWELL(dev_priv))
+ if (!HAS_DDI(dev_priv))
return 0;
i915_audio_component_get_power(kdev);
mutex_lock(&dev_priv->av_mutex);
+
/* 1. get the pipe */
- intel_encoder = dev_priv->dig_port_map[port];
- /* intel_encoder might be NULL for DP MST */
+ intel_encoder = get_saved_enc(dev_priv, port, pipe);
if (!intel_encoder || !intel_encoder->base.crtc ||
intel_encoder->type != INTEL_OUTPUT_HDMI) {
- DRM_DEBUG_KMS("no valid port %c\n", port_name(port));
+ 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;
- if (pipe == INVALID_PIPE) {
- DRM_DEBUG_KMS("no pipe for the port %c\n", port_name(port));
- 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;
+ adjusted_mode = &crtc->config->base.adjusted_mode;
/* port must be valid now, otherwise the pipe will be invalid */
acomp->aud_sample_rate[port] = rate;
- /* 2. check whether to set the N/CTS/M manually or not */
- if (!audio_rate_need_prog(crtc, mode)) {
- tmp = I915_READ(HSW_AUD_CFG(pipe));
- tmp &= ~AUD_CONFIG_N_PROG_ENABLE;
- I915_WRITE(HSW_AUD_CFG(pipe), tmp);
- goto unlock;
- }
-
- n = audio_config_get_n(mode, rate);
- if (n == 0) {
- DRM_DEBUG_KMS("Using automatic mode for N value on port %c\n",
- port_name(port));
- tmp = I915_READ(HSW_AUD_CFG(pipe));
- tmp &= ~AUD_CONFIG_N_PROG_ENABLE;
- I915_WRITE(HSW_AUD_CFG(pipe), tmp);
- goto unlock;
- }
-
- /* 3. set the N/CTS/M */
- tmp = I915_READ(HSW_AUD_CFG(pipe));
- tmp = audio_config_setup_n_reg(n, tmp);
- I915_WRITE(HSW_AUD_CFG(pipe), tmp);
+ hsw_audio_config_update(crtc, port, adjusted_mode);
unlock:
mutex_unlock(&dev_priv->av_mutex);
}
static int i915_audio_component_get_eld(struct device *kdev, int port,
- bool *enabled,
+ int pipe, bool *enabled,
unsigned char *buf, int max_bytes)
{
struct drm_i915_private *dev_priv = kdev_to_i915(kdev);
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));
- }
+
+ intel_encoder = get_saved_enc(dev_priv, port, pipe);
+ if (!intel_encoder) {
+ DRM_DEBUG_KMS("Not valid for port %c\n", port_name(port));
+ mutex_unlock(&dev_priv->av_mutex);
+ return ret;
+ }
+
+ ret = 0;
+ *enabled = intel_encoder->audio_connector != NULL;
+ if (*enabled) {
+ eld = intel_encoder->audio_connector->eld;
+ ret = drm_eld_size(eld);
+ memcpy(buf, eld, min(max_bytes, ret));
}
mutex_unlock(&dev_priv->av_mutex);
projects / mirror_ubuntu-bionic-kernel.git / blobdiff