From 69d2ae574b3a4b35e4970d8dec0bd598cfbe68a8 Mon Sep 17 00:00:00 2001 From: Rafał Miłecki Date: Wed, 7 Dec 2011 23:32:24 +0100 Subject: drm/radeon/kms: support for audio on Evergreen MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Rafał Miłecki Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/r600_audio.c | 22 +++++++++++++++++++--- 1 file changed, 19 insertions(+), 3 deletions(-) (limited to '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 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: -- cgit v1.2.3-59-g8ed1b