[PATCH 23/24] radeon/audio: enable DP audio
Alex Deucher
alexdeucher at gmail.com
Tue Jan 13 09:46:52 PST 2015
From: Slava Grigorev <slava.grigorev at amd.com>
Signed-off-by: Slava Grigorev <slava.grigorev at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/radeon/atombios_encoders.c | 6 ++++
drivers/gpu/drm/radeon/dce6_afmt.c | 35 +++++++++++++++++++
drivers/gpu/drm/radeon/evergreen_hdmi.c | 54 ++++++++++++++++++++++++++++++
drivers/gpu/drm/radeon/evergreen_reg.h | 15 +++++++++
drivers/gpu/drm/radeon/radeon_audio.c | 37 ++++++++++++++++++++
5 files changed, 147 insertions(+)
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index 8ca8b4f..7c9df1e 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -665,6 +665,8 @@ atombios_digital_setup(struct drm_encoder *encoder, int action)
int
atombios_get_encoder_mode(struct drm_encoder *encoder)
{
+ struct drm_device *dev = encoder->dev;
+ struct radeon_device *rdev = dev->dev_private;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct drm_connector *connector;
struct radeon_connector *radeon_connector;
@@ -729,6 +731,8 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
dig_connector = radeon_connector->con_priv;
if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
(dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) {
+ if (radeon_audio != 0 && ASIC_IS_DCE4(rdev) && !ASIC_IS_DCE5(rdev))
+ return ATOM_ENCODER_MODE_DP_AUDIO;
return ATOM_ENCODER_MODE_DP;
} else if (radeon_audio != 0) {
if (radeon_connector->audio == RADEON_AUDIO_ENABLE)
@@ -743,6 +747,8 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
}
break;
case DRM_MODE_CONNECTOR_eDP:
+ if (radeon_audio != 0 && ASIC_IS_DCE4(rdev) && !ASIC_IS_DCE5(rdev))
+ return ATOM_ENCODER_MODE_DP_AUDIO;
return ATOM_ENCODER_MODE_DP;
case DRM_MODE_CONNECTOR_DVIA:
case DRM_MODE_CONNECTOR_VGA:
diff --git a/drivers/gpu/drm/radeon/dce6_afmt.c b/drivers/gpu/drm/radeon/dce6_afmt.c
index 1c87006..192c803 100644
--- a/drivers/gpu/drm/radeon/dce6_afmt.c
+++ b/drivers/gpu/drm/radeon/dce6_afmt.c
@@ -287,3 +287,38 @@ void dce6_dp_audio_set_dto(struct radeon_device *rdev,
WREG32(DCCG_AUDIO_DTO1_PHASE, 24000);
WREG32(DCCG_AUDIO_DTO1_MODULE, clock);
}
+
+void dce6_enable_dp_audio_packets(struct drm_encoder *encoder, bool enable)
+{
+ struct drm_device *dev = encoder->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+ struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
+ uint32_t offset;
+
+ if (!dig || !dig->afmt)
+ return;
+
+ offset = dig->afmt->offset;
+
+ if (enable) {
+ if (dig->afmt->enabled)
+ return;
+
+ WREG32(EVERGREEN_DP_SEC_TIMESTAMP + offset, EVERGREEN_DP_SEC_TIMESTAMP_MODE(1));
+ WREG32(EVERGREEN_DP_SEC_CNTL + offset,
+ EVERGREEN_DP_SEC_ASP_ENABLE | /* Audio packet transmission */
+ EVERGREEN_DP_SEC_ATP_ENABLE | /* Audio timestamp packet transmission */
+ EVERGREEN_DP_SEC_AIP_ENABLE | /* Audio infoframe packet transmission */
+ EVERGREEN_DP_SEC_STREAM_ENABLE); /* Master enable for secondary stream engine */
+ radeon_audio_enable(rdev, dig->afmt->pin, true);
+ } else {
+ if (!dig->afmt->enabled)
+ return;
+
+ WREG32(EVERGREEN_DP_SEC_CNTL + offset, 0);
+ radeon_audio_enable(rdev, dig->afmt->pin, false);
+ }
+
+ dig->afmt->enabled = enable;
+}
diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c
index 0d8c85f..f0c59ab 100644
--- a/drivers/gpu/drm/radeon/evergreen_hdmi.c
+++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c
@@ -424,3 +424,57 @@ void evergreen_hdmi_enable(struct drm_encoder *encoder, bool enable)
DRM_DEBUG("%sabling HDMI interface @ 0x%04X for encoder 0x%x\n",
enable ? "En" : "Dis", dig->afmt->offset, radeon_encoder->encoder_id);
}
+
+void evergreen_enable_dp_audio_packets(struct drm_encoder *encoder, bool enable)
+{
+ struct drm_device *dev = encoder->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+ struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
+ uint32_t offset;
+
+ if (!dig || !dig->afmt)
+ return;
+
+ offset = dig->afmt->offset;
+
+ if (enable) {
+ struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
+ struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+ struct radeon_connector_atom_dig *dig_connector;
+ uint32_t val;
+
+ if (dig->afmt->enabled)
+ return;
+
+ WREG32(EVERGREEN_DP_SEC_TIMESTAMP + offset, EVERGREEN_DP_SEC_TIMESTAMP_MODE(1));
+
+ if (radeon_connector->con_priv) {
+ dig_connector = radeon_connector->con_priv;
+ val = RREG32(EVERGREEN_DP_SEC_AUD_N + offset);
+ val &= ~EVERGREEN_DP_SEC_N_BASE_MULTIPLE(0xf);
+
+ if (dig_connector->dp_clock == 162000)
+ val |= EVERGREEN_DP_SEC_N_BASE_MULTIPLE(3);
+ else
+ val |= EVERGREEN_DP_SEC_N_BASE_MULTIPLE(5);
+
+ WREG32(EVERGREEN_DP_SEC_AUD_N + offset, val);
+ }
+
+ WREG32(EVERGREEN_DP_SEC_CNTL + offset,
+ EVERGREEN_DP_SEC_ASP_ENABLE | /* Audio packet transmission */
+ EVERGREEN_DP_SEC_ATP_ENABLE | /* Audio timestamp packet transmission */
+ EVERGREEN_DP_SEC_AIP_ENABLE | /* Audio infoframe packet transmission */
+ EVERGREEN_DP_SEC_STREAM_ENABLE); /* Master enable for secondary stream engine */
+ radeon_audio_enable(rdev, dig->afmt->pin, 0xf);
+ } else {
+ if (!dig->afmt->enabled)
+ return;
+
+ WREG32(EVERGREEN_DP_SEC_CNTL + offset, 0);
+ radeon_audio_enable(rdev, dig->afmt->pin, 0);
+ }
+
+ dig->afmt->enabled = enable;
+}
diff --git a/drivers/gpu/drm/radeon/evergreen_reg.h b/drivers/gpu/drm/radeon/evergreen_reg.h
index 23bff59..aa939dfe 100644
--- a/drivers/gpu/drm/radeon/evergreen_reg.h
+++ b/drivers/gpu/drm/radeon/evergreen_reg.h
@@ -251,4 +251,19 @@
/* HDMI blocks at 0x7030, 0x7c30, 0x10830, 0x11430, 0x12030, 0x12c30 */
#define EVERGREEN_HDMI_BASE 0x7030
+/* Display Port block */
+#define EVERGREEN_DP_SEC_CNTL 0x7280
+# define EVERGREEN_DP_SEC_STREAM_ENABLE (1 << 0)
+# define EVERGREEN_DP_SEC_ASP_ENABLE (1 << 4)
+# define EVERGREEN_DP_SEC_ATP_ENABLE (1 << 8)
+# define EVERGREEN_DP_SEC_AIP_ENABLE (1 << 12)
+# define EVERGREEN_DP_SEC_GSP_ENABLE (1 << 20)
+# define EVERGREEN_DP_SEC_AVI_ENABLE (1 << 24)
+# define EVERGREEN_DP_SEC_MPG_ENABLE (1 << 28)
+#define EVERGREEN_DP_SEC_TIMESTAMP 0x72a4
+# define EVERGREEN_DP_SEC_TIMESTAMP_MODE(x) (((x) & 0x3) << 0)
+#define EVERGREEN_DP_SEC_AUD_N 0x7294
+# define EVERGREEN_DP_SEC_N_BASE_MULTIPLE(x) (((x) & 0xf) << 24)
+# define EVERGREEN_DP_SEC_SS_EN (1 << 28)
+
#endif
diff --git a/drivers/gpu/drm/radeon/radeon_audio.c b/drivers/gpu/drm/radeon/radeon_audio.c
index fc7a975..b77a8d6 100644
--- a/drivers/gpu/drm/radeon/radeon_audio.c
+++ b/drivers/gpu/drm/radeon/radeon_audio.c
@@ -97,8 +97,12 @@ void dce3_2_set_mute(struct drm_encoder *encoder, u32 offset, bool mute);
void dce4_set_mute(struct drm_encoder *encoder, u32 offset, bool mute);
static void radeon_audio_hdmi_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode);
+static void radeon_audio_dp_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode);
void r600_hdmi_enable(struct drm_encoder *encoder, bool enable);
void evergreen_hdmi_enable(struct drm_encoder *encoder, bool enable);
+void evergreen_enable_dp_audio_packets(struct drm_encoder *encoder, bool enable);
+void dce6_enable_dp_audio_packets(struct drm_encoder *encoder, bool enable);
static const u32 pin_offsets[7] =
{
@@ -178,6 +182,7 @@ static struct radeon_audio_funcs dce32_dp_funcs = {
.write_speaker_allocation = dce3_2_afmt_dp_write_speaker_allocation,
.set_dto = dce3_2_audio_set_dto,
.set_avi_packet = r600_set_avi_packet,
+ .set_audio_packet = dce3_2_set_audio_packet,
};
static struct radeon_audio_funcs dce4_hdmi_funcs = {
@@ -203,6 +208,9 @@ static struct radeon_audio_funcs dce4_dp_funcs = {
.write_latency_fields = dce4_afmt_write_latency_fields,
.set_dto = dce4_dp_audio_set_dto,
.set_avi_packet = evergreen_set_avi_packet,
+ .set_audio_packet = dce4_set_audio_packet,
+ .mode_set = radeon_audio_dp_mode_set,
+ .dpms = evergreen_enable_dp_audio_packets,
};
static struct radeon_audio_funcs dce6_hdmi_funcs = {
@@ -229,6 +237,9 @@ static struct radeon_audio_funcs dce6_dp_funcs = {
.write_latency_fields = dce6_afmt_write_latency_fields,
.set_dto = dce6_dp_audio_set_dto,
.set_avi_packet = evergreen_set_avi_packet,
+ .set_audio_packet = dce4_set_audio_packet,
+ .mode_set = radeon_audio_dp_mode_set,
+ .dpms = dce6_enable_dp_audio_packets,
};
static void radeon_audio_interface_init(struct radeon_device *rdev)
@@ -710,6 +721,32 @@ static void radeon_audio_hdmi_mode_set(struct drm_encoder *encoder,
radeon_audio_enable(rdev, dig->afmt->pin, 0xf);
}
+static void radeon_audio_dp_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode)
+{
+ struct drm_device *dev = encoder->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+ struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
+
+ if (!dig || !dig->afmt)
+ return;
+
+ /* disable audio prior to setting up hw */
+ dig->afmt->pin = radeon_audio_get_pin(encoder);
+ radeon_audio_enable(rdev, dig->afmt->pin, 0);
+
+ radeon_audio_set_dto(encoder, rdev->clock.default_dispclk * 10);
+ radeon_audio_set_audio_packet(encoder);
+ radeon_audio_select_pin(encoder);
+
+ if (radeon_audio_set_avi_packet(encoder, mode) < 0)
+ return;
+
+ /* enable audio after to setting up hw */
+ radeon_audio_enable(rdev, dig->afmt->pin, 0xf);
+}
+
void radeon_audio_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode)
{
--
1.8.3.1
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