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path: root/drivers/gpu/drm/radeon/r600_hdmi.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/r600_hdmi.c')
-rw-r--r--drivers/gpu/drm/radeon/r600_hdmi.c191
1 files changed, 121 insertions, 70 deletions
diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c
index fcc949df0e5..029fa1406d1 100644
--- a/drivers/gpu/drm/radeon/r600_hdmi.c
+++ b/drivers/gpu/drm/radeon/r600_hdmi.c
@@ -42,13 +42,13 @@ enum r600_hdmi_color_format {
*/
enum r600_hdmi_iec_status_bits {
AUDIO_STATUS_DIG_ENABLE = 0x01,
- AUDIO_STATUS_V = 0x02,
- AUDIO_STATUS_VCFG = 0x04,
+ AUDIO_STATUS_V = 0x02,
+ AUDIO_STATUS_VCFG = 0x04,
AUDIO_STATUS_EMPHASIS = 0x08,
AUDIO_STATUS_COPYRIGHT = 0x10,
AUDIO_STATUS_NONAUDIO = 0x20,
AUDIO_STATUS_PROFESSIONAL = 0x40,
- AUDIO_STATUS_LEVEL = 0x80
+ AUDIO_STATUS_LEVEL = 0x80
};
struct {
@@ -85,7 +85,7 @@ struct {
static void r600_hdmi_calc_CTS(uint32_t clock, int *CTS, int N, int freq)
{
if (*CTS == 0)
- *CTS = clock*N/(128*freq)*1000;
+ *CTS = clock * N / (128 * freq) * 1000;
DRM_DEBUG("Using ACR timing N=%d CTS=%d for frequency %d\n",
N, *CTS, freq);
}
@@ -131,11 +131,11 @@ static void r600_hdmi_infoframe_checksum(uint8_t packetType,
uint8_t length,
uint8_t *frame)
{
- int i;
- frame[0] = packetType + versionNumber + length;
- for (i = 1; i <= length; i++)
- frame[0] += frame[i];
- frame[0] = 0x100 - frame[0];
+ int i;
+ frame[0] = packetType + versionNumber + length;
+ for (i = 1; i <= length; i++)
+ frame[0] += frame[i];
+ frame[0] = 0x100 - frame[0];
}
/*
@@ -417,90 +417,141 @@ void r600_hdmi_update_audio_settings(struct drm_encoder *encoder,
WREG32_P(offset+R600_HDMI_CNTL, 0x04000000, ~0x04000000);
}
-/*
- * enable/disable the HDMI engine
- */
-void r600_hdmi_enable(struct drm_encoder *encoder, int enable)
+static int r600_hdmi_find_free_block(struct drm_device *dev)
+{
+ struct radeon_device *rdev = dev->dev_private;
+ struct drm_encoder *encoder;
+ struct radeon_encoder *radeon_encoder;
+ bool free_blocks[3] = { true, true, true };
+
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+ radeon_encoder = to_radeon_encoder(encoder);
+ switch (radeon_encoder->hdmi_offset) {
+ case R600_HDMI_BLOCK1:
+ free_blocks[0] = false;
+ break;
+ case R600_HDMI_BLOCK2:
+ free_blocks[1] = false;
+ break;
+ case R600_HDMI_BLOCK3:
+ free_blocks[2] = false;
+ break;
+ }
+ }
+
+ if (rdev->family == CHIP_RS600 || rdev->family == CHIP_RS690) {
+ return free_blocks[0] ? R600_HDMI_BLOCK1 : 0;
+ } else if (rdev->family >= CHIP_R600) {
+ if (free_blocks[0])
+ return R600_HDMI_BLOCK1;
+ else if (free_blocks[1])
+ return R600_HDMI_BLOCK2;
+ }
+ return 0;
+}
+
+static void r600_hdmi_assign_block(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);
- uint32_t offset = to_radeon_encoder(encoder)->hdmi_offset;
+ struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
- if (!offset)
+ if (!dig) {
+ dev_err(rdev->dev, "Enabling HDMI on non-dig encoder\n");
return;
+ }
- DRM_DEBUG("%s HDMI interface @ 0x%04X\n", enable ? "Enabling" : "Disabling", offset);
-
- /* some version of atombios ignore the enable HDMI flag
- * so enabling/disabling HDMI was moved here for TMDS1+2 */
- switch (radeon_encoder->encoder_id) {
- case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
- WREG32_P(AVIVO_TMDSA_CNTL, enable ? 0x4 : 0x0, ~0x4);
- WREG32(offset+R600_HDMI_ENABLE, enable ? 0x101 : 0x0);
- break;
-
- case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
- WREG32_P(AVIVO_LVTMA_CNTL, enable ? 0x4 : 0x0, ~0x4);
- WREG32(offset+R600_HDMI_ENABLE, enable ? 0x105 : 0x0);
- break;
-
- case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
- case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
- case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
- case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
- /* This part is doubtfull in my opinion */
- WREG32(offset+R600_HDMI_ENABLE, enable ? 0x110 : 0x0);
- break;
-
- default:
- DRM_ERROR("unknown HDMI output type\n");
- break;
+ if (ASIC_IS_DCE4(rdev)) {
+ /* TODO */
+ } else if (ASIC_IS_DCE3(rdev)) {
+ radeon_encoder->hdmi_offset = dig->dig_encoder ?
+ R600_HDMI_BLOCK3 : R600_HDMI_BLOCK1;
+ if (ASIC_IS_DCE32(rdev))
+ radeon_encoder->hdmi_config_offset = dig->dig_encoder ?
+ R600_HDMI_CONFIG2 : R600_HDMI_CONFIG1;
+ } else if (rdev->family >= CHIP_R600) {
+ radeon_encoder->hdmi_offset = r600_hdmi_find_free_block(dev);
}
}
/*
- * determin at which register offset the HDMI encoder is
+ * enable the HDMI engine
*/
-void r600_hdmi_init(struct drm_encoder *encoder)
+void r600_hdmi_enable(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);
- switch (radeon_encoder->encoder_id) {
- case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
- case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
- case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
- radeon_encoder->hdmi_offset = R600_HDMI_TMDS1;
- break;
-
- case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
- switch (r600_audio_tmds_index(encoder)) {
- case 0:
- radeon_encoder->hdmi_offset = R600_HDMI_TMDS1;
+ if (!radeon_encoder->hdmi_offset) {
+ r600_hdmi_assign_block(encoder);
+ if (!radeon_encoder->hdmi_offset) {
+ dev_warn(rdev->dev, "Could not find HDMI block for "
+ "0x%x encoder\n", radeon_encoder->encoder_id);
+ return;
+ }
+ }
+
+ if (ASIC_IS_DCE32(rdev) && !ASIC_IS_DCE4(rdev)) {
+ WREG32_P(radeon_encoder->hdmi_config_offset + 0x4, 0x1, ~0x1);
+ } else if (rdev->family >= CHIP_R600 && !ASIC_IS_DCE3(rdev)) {
+ int offset = radeon_encoder->hdmi_offset;
+ switch (radeon_encoder->encoder_id) {
+ case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
+ WREG32_P(AVIVO_TMDSA_CNTL, 0x4, ~0x4);
+ WREG32(offset + R600_HDMI_ENABLE, 0x101);
break;
- case 1:
- radeon_encoder->hdmi_offset = R600_HDMI_TMDS2;
+ case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
+ WREG32_P(AVIVO_LVTMA_CNTL, 0x4, ~0x4);
+ WREG32(offset + R600_HDMI_ENABLE, 0x105);
break;
default:
- radeon_encoder->hdmi_offset = 0;
+ dev_err(rdev->dev, "Unknown HDMI output type\n");
break;
}
- case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
- radeon_encoder->hdmi_offset = R600_HDMI_TMDS2;
- break;
+ }
- case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
- radeon_encoder->hdmi_offset = R600_HDMI_DIG;
- break;
+ DRM_DEBUG("Enabling HDMI interface @ 0x%04X for encoder 0x%x\n",
+ radeon_encoder->hdmi_offset, radeon_encoder->encoder_id);
+}
- default:
- radeon_encoder->hdmi_offset = 0;
- break;
+/*
+ * disable the HDMI engine
+ */
+void r600_hdmi_disable(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);
+
+ if (!radeon_encoder->hdmi_offset) {
+ dev_err(rdev->dev, "Disabling not enabled HDMI\n");
+ return;
}
- DRM_DEBUG("using HDMI engine at offset 0x%04X for encoder 0x%x\n",
- radeon_encoder->hdmi_offset, radeon_encoder->encoder_id);
+ DRM_DEBUG("Disabling HDMI interface @ 0x%04X for encoder 0x%x\n",
+ radeon_encoder->hdmi_offset, radeon_encoder->encoder_id);
+
+ if (ASIC_IS_DCE32(rdev) && !ASIC_IS_DCE4(rdev)) {
+ WREG32_P(radeon_encoder->hdmi_config_offset + 0x4, 0, ~0x1);
+ } else if (rdev->family >= CHIP_R600 && !ASIC_IS_DCE3(rdev)) {
+ int offset = radeon_encoder->hdmi_offset;
+ switch (radeon_encoder->encoder_id) {
+ case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
+ WREG32_P(AVIVO_TMDSA_CNTL, 0, ~0x4);
+ WREG32(offset + R600_HDMI_ENABLE, 0);
+ break;
+ case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
+ WREG32_P(AVIVO_LVTMA_CNTL, 0, ~0x4);
+ WREG32(offset + R600_HDMI_ENABLE, 0);
+ break;
+ default:
+ dev_err(rdev->dev, "Unknown HDMI output type\n");
+ break;
+ }
+ }
- /* TODO: make this configureable */
- radeon_encoder->hdmi_audio_workaround = 0;
+ radeon_encoder->hdmi_offset = 0;
+ radeon_encoder->hdmi_config_offset = 0;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-30 17:46:28 +0000