diff options
author | Christian Koenig <deathsimple@vodafone.de> | 2010-04-10 03:13:16 +0200 |
---|---|---|
committer | Dave Airlie <airlied@redhat.com> | 2010-04-23 14:12:17 +1000 |
commit | f2594933df9719bd2b0aaaa8ea9b2b850d6e1c42 (patch) | |
tree | 25948717c6531226188c3e051fa11edc09426bfb /drivers/gpu/drm/radeon/r600_hdmi.c | |
parent | 58bd086313ea0eda037f65b9bda2b3decb959a31 (diff) | |
download | kernel_samsung_smdk4412-f2594933df9719bd2b0aaaa8ea9b2b850d6e1c42.zip kernel_samsung_smdk4412-f2594933df9719bd2b0aaaa8ea9b2b850d6e1c42.tar.gz kernel_samsung_smdk4412-f2594933df9719bd2b0aaaa8ea9b2b850d6e1c42.tar.bz2 |
drm/radeon/kms: HDMI irq support
Implements irq support for HDMI audio output. Now the polling timer
is only enabled if irq support isn't available.
Signed-off-by: Christian König <deathsimple@vodafone.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/r600_hdmi.c')
-rw-r--r-- | drivers/gpu/drm/radeon/r600_hdmi.c | 54 |
1 files changed, 33 insertions, 21 deletions
diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c index d014472..40b1aca 100644 --- a/drivers/gpu/drm/radeon/r600_hdmi.c +++ b/drivers/gpu/drm/radeon/r600_hdmi.c @@ -290,17 +290,15 @@ void r600_hdmi_audio_workaround(struct drm_encoder *encoder) if (!offset) return; - if (r600_hdmi_is_audio_buffer_filled(encoder)) { - /* disable audio workaround and start delivering of audio frames */ - WREG32_P(offset+R600_HDMI_CNTL, 0x00000001, ~0x00001001); + if (!radeon_encoder->hdmi_audio_workaround || + r600_hdmi_is_audio_buffer_filled(encoder)) { - } else if (radeon_encoder->hdmi_audio_workaround) { - /* enable audio workaround and start delivering of audio frames */ - WREG32_P(offset+R600_HDMI_CNTL, 0x00001001, ~0x00001001); + /* disable audio workaround */ + WREG32_P(offset+R600_HDMI_CNTL, 0x00000001, ~0x00001001); } else { - /* disable audio workaround and stop delivering of audio frames */ - WREG32_P(offset+R600_HDMI_CNTL, 0x00000000, ~0x00001001); + /* enable audio workaround */ + WREG32_P(offset+R600_HDMI_CNTL, 0x00001001, ~0x00001001); } } @@ -345,9 +343,6 @@ void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mod /* audio packets per line, does anyone know how to calc this ? */ WREG32_P(offset+R600_HDMI_CNTL, 0x00040000, ~0x001F0000); - - /* update? reset? don't realy know */ - WREG32_P(offset+R600_HDMI_CNTL, 0x14000000, ~0x14000000); } /* @@ -416,9 +411,6 @@ void r600_hdmi_update_audio_settings(struct drm_encoder *encoder) r600_hdmi_audioinfoframe(encoder, channels-1, 0, 0, 0, 0, 0, 0, 0); r600_hdmi_audio_workaround(encoder); - - /* update? reset? don't realy know */ - WREG32_P(offset+R600_HDMI_CNTL, 0x04000000, ~0x04000000); } static int r600_hdmi_find_free_block(struct drm_device *dev) @@ -487,6 +479,7 @@ void r600_hdmi_enable(struct drm_encoder *encoder) struct drm_device *dev = encoder->dev; struct radeon_device *rdev = dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); + uint32_t offset; if (ASIC_IS_DCE4(rdev)) return; @@ -500,10 +493,10 @@ void r600_hdmi_enable(struct drm_encoder *encoder) } } + offset = radeon_encoder->hdmi_offset; if (ASIC_IS_DCE32(rdev) && !ASIC_IS_DCE4(rdev)) { WREG32_P(radeon_encoder->hdmi_config_offset + 0x4, 0x1, ~0x1); } else if (rdev->family >= CHIP_R600 && !ASIC_IS_DCE3(rdev)) { - int offset = radeon_encoder->hdmi_offset; switch (radeon_encoder->encoder_id) { case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1: WREG32_P(AVIVO_TMDSA_CNTL, 0x4, ~0x4); @@ -519,7 +512,20 @@ void r600_hdmi_enable(struct drm_encoder *encoder) } } - r600_audio_enable_polling(encoder); + if (rdev->irq.installed + && rdev->family != CHIP_RS600 + && rdev->family != CHIP_RS690 + && rdev->family != CHIP_RS740) { + + /* if irq is available use it */ + rdev->irq.hdmi[offset == R600_HDMI_BLOCK1 ? 0 : 1] = true; + radeon_irq_set(rdev); + + r600_audio_disable_polling(encoder); + } else { + /* if not fallback to polling */ + r600_audio_enable_polling(encoder); + } DRM_DEBUG("Enabling HDMI interface @ 0x%04X for encoder 0x%x\n", radeon_encoder->hdmi_offset, radeon_encoder->encoder_id); @@ -533,24 +539,30 @@ void r600_hdmi_disable(struct drm_encoder *encoder) struct drm_device *dev = encoder->dev; struct radeon_device *rdev = dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); + uint8_t offset; if (ASIC_IS_DCE4(rdev)) return; - if (!radeon_encoder->hdmi_offset) { + offset = radeon_encoder->hdmi_offset; + if (!offset) { dev_err(rdev->dev, "Disabling not enabled HDMI\n"); return; } - r600_audio_disable_polling(encoder); - DRM_DEBUG("Disabling HDMI interface @ 0x%04X for encoder 0x%x\n", - radeon_encoder->hdmi_offset, radeon_encoder->encoder_id); + offset, radeon_encoder->encoder_id); + + /* disable irq */ + rdev->irq.hdmi[offset == R600_HDMI_BLOCK1 ? 0 : 1] = false; + radeon_irq_set(rdev); + + /* disable polling */ + r600_audio_disable_polling(encoder); if (ASIC_IS_DCE32(rdev) && !ASIC_IS_DCE4(rdev)) { WREG32_P(radeon_encoder->hdmi_config_offset + 0x4, 0, ~0x1); } else if (rdev->family >= CHIP_R600 && !ASIC_IS_DCE3(rdev)) { - int offset = radeon_encoder->hdmi_offset; switch (radeon_encoder->encoder_id) { case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1: WREG32_P(AVIVO_TMDSA_CNTL, 0, ~0x4); |