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authorRafał Miłecki <zajec5@gmail.com>2011-12-07 23:32:24 +0100
committerDave Airlie <airlied@redhat.com>2011-12-19 18:40:26 +0000
commit69d2ae574b3a4b35e4970d8dec0bd598cfbe68a8 (patch)
tree5210cb06b6e421c24cf03391ccdd7e32c57937de /drivers
parentebcb796fa63a67ea2b7e8c023257ec6fe2813dc2 (diff)
downloadblackbird-obmc-linux-69d2ae574b3a4b35e4970d8dec0bd598cfbe68a8.tar.gz
blackbird-obmc-linux-69d2ae574b3a4b35e4970d8dec0bd598cfbe68a8.zip
drm/radeon/kms: support for audio on Evergreen
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/radeon/evergreen.c14
-rw-r--r--drivers/gpu/drm/radeon/evergreen_reg.h8
-rw-r--r--drivers/gpu/drm/radeon/r600_audio.c22
3 files changed, 41 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index e4c384b9511c..a7da8d437161 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -3069,6 +3069,12 @@ static int evergreen_startup(struct radeon_device *rdev)
if (r)
return r;
+ r = r600_audio_init(rdev);
+ if (r) {
+ DRM_ERROR("radeon: audio init failed\n");
+ return r;
+ }
+
return 0;
}
@@ -3100,12 +3106,19 @@ int evergreen_resume(struct radeon_device *rdev)
return r;
}
+ r = r600_audio_init(rdev);
+ if (r) {
+ DRM_ERROR("radeon: audio resume failed\n");
+ return r;
+ }
+
return r;
}
int evergreen_suspend(struct radeon_device *rdev)
{
+ r600_audio_fini(rdev);
/* FIXME: we should wait for ring to be empty */
r700_cp_stop(rdev);
rdev->cp.ready = false;
@@ -3225,6 +3238,7 @@ int evergreen_init(struct radeon_device *rdev)
void evergreen_fini(struct radeon_device *rdev)
{
+ r600_audio_fini(rdev);
r600_blit_fini(rdev);
r700_cp_fini(rdev);
r600_irq_fini(rdev);
diff --git a/drivers/gpu/drm/radeon/evergreen_reg.h b/drivers/gpu/drm/radeon/evergreen_reg.h
index c781c92c3451..01cff84ba71f 100644
--- a/drivers/gpu/drm/radeon/evergreen_reg.h
+++ b/drivers/gpu/drm/radeon/evergreen_reg.h
@@ -35,6 +35,14 @@
#define EVERGREEN_P1PLL_SS_CNTL 0x414
#define EVERGREEN_P2PLL_SS_CNTL 0x454
# define EVERGREEN_PxPLL_SS_EN (1 << 12)
+
+#define EVERGREEN_AUDIO_PLL1_MUL 0x5b0
+#define EVERGREEN_AUDIO_PLL1_DIV 0x5b4
+#define EVERGREEN_AUDIO_PLL1_UNK 0x5bc
+
+#define EVERGREEN_AUDIO_ENABLE 0x5e78
+#define EVERGREEN_AUDIO_VENDOR_ID 0x5ec0
+
/* GRPH blocks at 0x6800, 0x7400, 0x10000, 0x10c00, 0x11800, 0x12400 */
#define EVERGREEN_GRPH_ENABLE 0x6800
#define EVERGREEN_GRPH_CONTROL 0x6804
diff --git a/drivers/gpu/drm/radeon/r600_audio.c b/drivers/gpu/drm/radeon/r600_audio.c
index fa3bb537893f..ba66f3093d46 100644
--- a/drivers/gpu/drm/radeon/r600_audio.c
+++ b/drivers/gpu/drm/radeon/r600_audio.c
@@ -36,7 +36,7 @@
*/
static int r600_audio_chipset_supported(struct radeon_device *rdev)
{
- return (rdev->family >= CHIP_R600 && !ASIC_IS_DCE4(rdev))
+ return (rdev->family >= CHIP_R600 && !ASIC_IS_DCE5(rdev))
|| rdev->family == CHIP_RS600
|| rdev->family == CHIP_RS690
|| rdev->family == CHIP_RS740;
@@ -161,8 +161,18 @@ static void r600_audio_update_hdmi(unsigned long param)
*/
static void r600_audio_engine_enable(struct radeon_device *rdev, bool enable)
{
+ u32 value = 0;
DRM_INFO("%s audio support\n", enable ? "Enabling" : "Disabling");
- WREG32_P(R600_AUDIO_ENABLE, enable ? 0x81000000 : 0x0, ~0x81000000);
+ if (ASIC_IS_DCE4(rdev)) {
+ if (enable) {
+ value |= 0x81000000; /* Required to enable audio */
+ value |= 0x0e1000f0; /* fglrx sets that too */
+ }
+ WREG32(EVERGREEN_AUDIO_ENABLE, value);
+ } else {
+ WREG32_P(R600_AUDIO_ENABLE,
+ enable ? 0x81000000 : 0x0, ~0x81000000);
+ }
rdev->audio_enabled = enable;
}
@@ -249,7 +259,13 @@ void r600_audio_set_clock(struct drm_encoder *encoder, int clock)
}
if (ASIC_IS_DCE4(rdev)) {
- /* TODO */
+ /* TODO: other PLLs? */
+ WREG32(EVERGREEN_AUDIO_PLL1_MUL, base_rate * 10);
+ WREG32(EVERGREEN_AUDIO_PLL1_DIV, clock * 10);
+ WREG32(EVERGREEN_AUDIO_PLL1_UNK, 0x00000071);
+
+ /* Some magic trigger or src sel? */
+ WREG32_P(0x5ac, 0x01, ~0x77);
} else {
switch (dig->dig_encoder) {
case 0:
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