aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/radeon/r600_audio.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/radeon/r600_audio.c')
-rw-r--r--drivers/gpu/drm/radeon/r600_audio.c122
1 files changed, 37 insertions, 85 deletions
diff --git a/drivers/gpu/drm/radeon/r600_audio.c b/drivers/gpu/drm/radeon/r600_audio.c
index cb03fe22b0a..bffac10c429 100644
--- a/drivers/gpu/drm/radeon/r600_audio.c
+++ b/drivers/gpu/drm/radeon/r600_audio.c
@@ -57,15 +57,12 @@ static bool radeon_dig_encoder(struct drm_encoder *encoder)
*/
static int r600_audio_chipset_supported(struct radeon_device *rdev)
{
- return (rdev->family >= CHIP_R600 && !ASIC_IS_DCE6(rdev))
- || rdev->family == CHIP_RS600
- || rdev->family == CHIP_RS690
- || rdev->family == CHIP_RS740;
+ return ASIC_IS_DCE2(rdev) && !ASIC_IS_NODCE(rdev);
}
-struct r600_audio r600_audio_status(struct radeon_device *rdev)
+struct r600_audio_pin r600_audio_status(struct radeon_device *rdev)
{
- struct r600_audio status;
+ struct r600_audio_pin status;
uint32_t value;
value = RREG32(R600_AUDIO_RATE_BPS_CHANNEL);
@@ -123,16 +120,16 @@ void r600_audio_update_hdmi(struct work_struct *work)
struct radeon_device *rdev = container_of(work, struct radeon_device,
audio_work);
struct drm_device *dev = rdev->ddev;
- struct r600_audio audio_status = r600_audio_status(rdev);
+ struct r600_audio_pin audio_status = r600_audio_status(rdev);
struct drm_encoder *encoder;
bool changed = false;
- if (rdev->audio_status.channels != audio_status.channels ||
- rdev->audio_status.rate != audio_status.rate ||
- rdev->audio_status.bits_per_sample != audio_status.bits_per_sample ||
- rdev->audio_status.status_bits != audio_status.status_bits ||
- rdev->audio_status.category_code != audio_status.category_code) {
- rdev->audio_status = audio_status;
+ if (rdev->audio.pin[0].channels != audio_status.channels ||
+ rdev->audio.pin[0].rate != audio_status.rate ||
+ rdev->audio.pin[0].bits_per_sample != audio_status.bits_per_sample ||
+ rdev->audio.pin[0].status_bits != audio_status.status_bits ||
+ rdev->audio.pin[0].category_code != audio_status.category_code) {
+ rdev->audio.pin[0] = audio_status;
changed = true;
}
@@ -144,13 +141,16 @@ void r600_audio_update_hdmi(struct work_struct *work)
}
}
-/*
- * turn on/off audio engine
- */
-static void r600_audio_engine_enable(struct radeon_device *rdev, bool enable)
+/* enable the audio stream */
+void r600_audio_enable(struct radeon_device *rdev,
+ struct r600_audio_pin *pin,
+ bool enable)
{
u32 value = 0;
- DRM_INFO("%s audio support\n", enable ? "Enabling" : "Disabling");
+
+ if (!pin)
+ return;
+
if (ASIC_IS_DCE4(rdev)) {
if (enable) {
value |= 0x81000000; /* Required to enable audio */
@@ -161,7 +161,6 @@ static void r600_audio_engine_enable(struct radeon_device *rdev, bool enable)
WREG32_P(R600_AUDIO_ENABLE,
enable ? 0x81000000 : 0x0, ~0x81000000);
}
- rdev->audio_enabled = enable;
}
/*
@@ -172,84 +171,37 @@ int r600_audio_init(struct radeon_device *rdev)
if (!radeon_audio || !r600_audio_chipset_supported(rdev))
return 0;
- r600_audio_engine_enable(rdev, true);
+ rdev->audio.enabled = true;
- rdev->audio_status.channels = -1;
- rdev->audio_status.rate = -1;
- rdev->audio_status.bits_per_sample = -1;
- rdev->audio_status.status_bits = 0;
- rdev->audio_status.category_code = 0;
+ rdev->audio.num_pins = 1;
+ rdev->audio.pin[0].channels = -1;
+ rdev->audio.pin[0].rate = -1;
+ rdev->audio.pin[0].bits_per_sample = -1;
+ rdev->audio.pin[0].status_bits = 0;
+ rdev->audio.pin[0].category_code = 0;
+ rdev->audio.pin[0].id = 0;
+ /* disable audio. it will be set up later */
+ r600_audio_enable(rdev, &rdev->audio.pin[0], false);
return 0;
}
/*
- * atach the audio codec to the clock source of the encoder
+ * release the audio timer
+ * TODO: How to do this correctly on SMP systems?
*/
-void r600_audio_set_clock(struct drm_encoder *encoder, int clock)
+void r600_audio_fini(struct radeon_device *rdev)
{
- 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);
+ if (!rdev->audio.enabled)
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);
+ r600_audio_enable(rdev, &rdev->audio.pin[0], false);
- /* 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;
- }
- }
+ rdev->audio.enabled = false;
}
-/*
- * release the audio timer
- * TODO: How to do this correctly on SMP systems?
- */
-void r600_audio_fini(struct radeon_device *rdev)
+struct r600_audio_pin *r600_audio_get_pin(struct radeon_device *rdev)
{
- if (!rdev->audio_enabled)
- return;
-
- r600_audio_engine_enable(rdev, false);
+ /* only one pin on 6xx-NI */
+ return &rdev->audio.pin[0];
}