drm/radeon: clean up audio dto programming

Split into DCE2/3 and DCE4/5 variants. Still todo is to
calculate the DTO dividers properly.  Add proper formula
to the comments.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 0 insertions, 59 deletions

diff --git a/drivers/gpu/drm/radeon/r600_audio.c b/drivers/gpu/drm/radeon/r600_audio.c
index 72561e4a0799..c92eb86a8e55 100644
--- a/drivers/gpu/drm/radeon/r600_audio.c
+++ b/drivers/gpu/drm/radeon/r600_audio.c
@@ -181,65 +181,6 @@ int r600_audio_init(struct radeon_device *rdev)
 }
 
 /*
- * atach the audio codec to the clock source of the encoder
- */
-void r600_audio_set_clock(struct drm_encoder *encoder, int clock)
-{
-        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;
-        struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
-        int base_rate = 48000;
-
-        switch (radeon_encoder->encoder_id) {
-        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
-        case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
-                WREG32_P(R600_AUDIO_TIMING, 0, ~0x301);
-                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:
-                WREG32_P(R600_AUDIO_TIMING, 0x100, ~0x301);
-                break;
-        default:
-                dev_err(rdev->dev, "Unsupported encoder type 0x%02X\n",
-                          radeon_encoder->encoder_id);
-                return;
-        }
-
-        if (ASIC_IS_DCE4(rdev)) {
-                /* TODO: other PLLs? */
-                WREG32(EVERGREEN_AUDIO_PLL1_MUL, base_rate * 10);
-                WREG32(EVERGREEN_AUDIO_PLL1_DIV, clock * 10);
-                WREG32(EVERGREEN_AUDIO_PLL1_UNK, 0x00000071);
-
-                /* Select DTO source */
-                WREG32(0x5ac, radeon_crtc->crtc_id);
-        } else {
-                switch (dig->dig_encoder) {
-                case 0:
-                        WREG32(R600_AUDIO_PLL1_MUL, base_rate * 50);
-                        WREG32(R600_AUDIO_PLL1_DIV, clock * 100);
-                        WREG32(R600_AUDIO_CLK_SRCSEL, 0);
-                        break;
-
-                case 1:
-                        WREG32(R600_AUDIO_PLL2_MUL, base_rate * 50);
-                        WREG32(R600_AUDIO_PLL2_DIV, clock * 100);
-                        WREG32(R600_AUDIO_CLK_SRCSEL, 1);
-                        break;
-                default:
-                        dev_err(rdev->dev,
-                                "Unsupported DIG on encoder 0x%02X\n",
-                                radeon_encoder->encoder_id);
-                        return;
-                }
-        }
-}
-
-/*
  * release the audio timer
  * TODO: How to do this correctly on SMP systems?
  */