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path: root/drivers/gpu/drm/radeon/evergreen_hdmi.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/evergreen_hdmi.c')
-rw-r--r--drivers/gpu/drm/radeon/evergreen_hdmi.c100
1 files changed, 84 insertions, 16 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c
index b0e280058b9b..f71ce390aebe 100644
--- a/drivers/gpu/drm/radeon/evergreen_hdmi.c
+++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c
@@ -32,6 +32,10 @@
#include "evergreend.h"
#include "atom.h"
+extern void dce6_afmt_write_speaker_allocation(struct drm_encoder *encoder);
+extern void dce6_afmt_write_sad_regs(struct drm_encoder *encoder);
+extern void dce6_afmt_select_pin(struct drm_encoder *encoder);
+
/*
* update the N and CTS parameters for a given pixel clock rate
*/
@@ -54,6 +58,45 @@ static void evergreen_hdmi_update_ACR(struct drm_encoder *encoder, uint32_t cloc
WREG32(HDMI_ACR_48_1 + offset, acr.n_48khz);
}
+static void dce4_afmt_write_speaker_allocation(struct drm_encoder *encoder)
+{
+ struct radeon_device *rdev = encoder->dev->dev_private;
+ struct drm_connector *connector;
+ struct radeon_connector *radeon_connector = NULL;
+ u32 tmp;
+ u8 *sadb;
+ int sad_count;
+
+ list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
+ if (connector->encoder == encoder)
+ radeon_connector = to_radeon_connector(connector);
+ }
+
+ if (!radeon_connector) {
+ DRM_ERROR("Couldn't find encoder's connector\n");
+ return;
+ }
+
+ sad_count = drm_edid_to_speaker_allocation(radeon_connector->edid, &sadb);
+ if (sad_count < 0) {
+ DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
+ return;
+ }
+
+ /* program the speaker allocation */
+ tmp = RREG32(AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER);
+ tmp &= ~(DP_CONNECTION | SPEAKER_ALLOCATION_MASK);
+ /* set HDMI mode */
+ tmp |= HDMI_CONNECTION;
+ if (sad_count)
+ tmp |= SPEAKER_ALLOCATION(sadb[0]);
+ else
+ tmp |= SPEAKER_ALLOCATION(5); /* stereo */
+ WREG32(AZ_F0_CODEC_PIN0_CONTROL_CHANNEL_SPEAKER, tmp);
+
+ kfree(sadb);
+}
+
static void evergreen_hdmi_write_sad_regs(struct drm_encoder *encoder)
{
struct radeon_device *rdev = encoder->dev->dev_private;
@@ -157,22 +200,26 @@ static void evergreen_audio_set_dto(struct drm_encoder *encoder, u32 clock)
if (!dig || !dig->afmt)
return;
- if (max_ratio >= 8) {
- dto_phase = 192 * 1000;
- wallclock_ratio = 3;
- } else if (max_ratio >= 4) {
- dto_phase = 96 * 1000;
- wallclock_ratio = 2;
- } else if (max_ratio >= 2) {
- dto_phase = 48 * 1000;
- wallclock_ratio = 1;
- } else {
+ if (ASIC_IS_DCE6(rdev)) {
dto_phase = 24 * 1000;
- wallclock_ratio = 0;
+ } else {
+ if (max_ratio >= 8) {
+ dto_phase = 192 * 1000;
+ wallclock_ratio = 3;
+ } else if (max_ratio >= 4) {
+ dto_phase = 96 * 1000;
+ wallclock_ratio = 2;
+ } else if (max_ratio >= 2) {
+ dto_phase = 48 * 1000;
+ wallclock_ratio = 1;
+ } else {
+ dto_phase = 24 * 1000;
+ wallclock_ratio = 0;
+ }
+ dto_cntl = RREG32(DCCG_AUDIO_DTO0_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK;
+ dto_cntl |= DCCG_AUDIO_DTO_WALLCLOCK_RATIO(wallclock_ratio);
+ WREG32(DCCG_AUDIO_DTO0_CNTL, dto_cntl);
}
- dto_cntl = RREG32(DCCG_AUDIO_DTO0_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK;
- dto_cntl |= DCCG_AUDIO_DTO_WALLCLOCK_RATIO(wallclock_ratio);
- WREG32(DCCG_AUDIO_DTO0_CNTL, dto_cntl);
/* XXX two dtos; generally use dto0 for hdmi */
/* Express [24MHz / target pixel clock] as an exact rational
@@ -260,13 +307,23 @@ void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode
AFMT_60958_CS_CHANNEL_NUMBER_6(7) |
AFMT_60958_CS_CHANNEL_NUMBER_7(8));
- /* fglrx sets 0x0001005f | (x & 0x00fc0000) in 0x5f78 here */
+ if (ASIC_IS_DCE6(rdev)) {
+ dce6_afmt_write_speaker_allocation(encoder);
+ } else {
+ dce4_afmt_write_speaker_allocation(encoder);
+ }
WREG32(AFMT_AUDIO_PACKET_CONTROL2 + offset,
AFMT_AUDIO_CHANNEL_ENABLE(0xff));
/* fglrx sets 0x40 in 0x5f80 here */
- evergreen_hdmi_write_sad_regs(encoder);
+
+ if (ASIC_IS_DCE6(rdev)) {
+ dce6_afmt_select_pin(encoder);
+ dce6_afmt_write_sad_regs(encoder);
+ } else {
+ evergreen_hdmi_write_sad_regs(encoder);
+ }
err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);
if (err < 0) {
@@ -302,6 +359,8 @@ void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode
void evergreen_hdmi_enable(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;
@@ -314,6 +373,15 @@ void evergreen_hdmi_enable(struct drm_encoder *encoder, bool enable)
if (!enable && !dig->afmt->enabled)
return;
+ if (enable) {
+ if (ASIC_IS_DCE6(rdev))
+ dig->afmt->pin = dce6_audio_get_pin(rdev);
+ else
+ dig->afmt->pin = r600_audio_get_pin(rdev);
+ } else {
+ dig->afmt->pin = NULL;
+ }
+
dig->afmt->enabled = enable;
DRM_DEBUG("%sabling HDMI interface @ 0x%04X for encoder 0x%x\n",