Merge branch 'sh/smp'

[pandora-kernel.git] / drivers / gpu / drm / radeon / r600_audio.c

diff --git a/drivers/gpu/drm/radeon/r600_audio.c b/drivers/gpu/drm/radeon/r600_audio.c
index 0dcb690..1d89805 100644 (file)
--- a/drivers/gpu/drm/radeon/r600_audio.c
+++ b/drivers/gpu/drm/radeon/r600_audio.c
@@ -35,7 +35,7 @@
  */
 static int r600_audio_chipset_supported(struct radeon_device *rdev)
 {
-       return (rdev->family >= CHIP_R600 && rdev->family < CHIP_RV710)
+       return (rdev->family >= CHIP_R600 && rdev->family < CHIP_CEDAR)
                || rdev->family == CHIP_RS600
                || rdev->family == CHIP_RS690
                || rdev->family == CHIP_RS740;
@@ -146,16 +146,24 @@ static void r600_audio_update_hdmi(unsigned long param)
                jiffies + msecs_to_jiffies(AUDIO_TIMER_INTERVALL));
 }
 
+/*
+ * turn on/off audio engine
+ */
+static void r600_audio_engine_enable(struct radeon_device *rdev, bool enable)
+{
+       DRM_INFO("%s audio support", enable ? "Enabling" : "Disabling");
+       WREG32_P(R600_AUDIO_ENABLE, enable ? 0x81000000 : 0x0, ~0x81000000);
+}
+
 /*
  * initialize the audio vars and register the update timer
  */
 int r600_audio_init(struct radeon_device *rdev)
 {
-       if (!r600_audio_chipset_supported(rdev))
+       if (!radeon_audio || !r600_audio_chipset_supported(rdev))
                return 0;
 
-       DRM_INFO("%s audio support", radeon_audio ? "Enabling" : "Disabling");
-       WREG32_P(R600_AUDIO_ENABLE, radeon_audio ? 0x81000000 : 0x0, ~0x81000000);
+       r600_audio_engine_enable(rdev, true);
 
        rdev->audio_channels = -1;
        rdev->audio_rate = -1;
@@ -173,41 +181,6 @@ int r600_audio_init(struct radeon_device *rdev)
        return 0;
 }
 
-/*
- * determin how the encoders and audio interface is wired together
- */
-int r600_audio_tmds_index(struct drm_encoder *encoder)
-{
-       struct drm_device *dev = encoder->dev;
-       struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
-       struct drm_encoder *other;
-
-       switch (radeon_encoder->encoder_id) {
-       case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
-       case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
-       case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
-               return 0;
-
-       case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
-               /* special case check if an TMDS1 is present */
-               list_for_each_entry(other, &dev->mode_config.encoder_list, head) {
-                       if (to_radeon_encoder(other)->encoder_id ==
-                               ENCODER_OBJECT_ID_INTERNAL_TMDS1)
-                               return 1;
-               }
-               return 0;
-
-       case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
-       case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
-               return 1;
-
-       default:
-               DRM_ERROR("Unsupported encoder type 0x%02X\n",
-                         radeon_encoder->encoder_id);
-               return -1;
-       }
-}
-
 /*
  * atach the audio codec to the clock source of the encoder
  */
@@ -216,6 +189,7 @@ 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;
        int base_rate = 48000;
 
        switch (radeon_encoder->encoder_id) {
@@ -223,32 +197,34 @@ void r600_audio_set_clock(struct drm_encoder *encoder, int clock)
        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:
                DRM_ERROR("Unsupported encoder type 0x%02X\n",
                          radeon_encoder->encoder_id);
                return;
        }
 
-       switch (r600_audio_tmds_index(encoder)) {
+       switch (dig->dig_encoder) {
        case 0:
-               WREG32(R600_AUDIO_PLL1_MUL, base_rate*50);
-               WREG32(R600_AUDIO_PLL1_DIV, clock*100);
+               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_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;
        }
 }
 
@@ -258,9 +234,10 @@ void r600_audio_set_clock(struct drm_encoder *encoder, int clock)
  */
 void r600_audio_fini(struct radeon_device *rdev)
 {
-       if (!r600_audio_chipset_supported(rdev))
+       if (!radeon_audio || !r600_audio_chipset_supported(rdev))
                return;
 
        del_timer(&rdev->audio_timer);
-       WREG32_P(R600_AUDIO_ENABLE, 0x0, ~0x81000000);
+
+       r600_audio_engine_enable(rdev, false);
 }