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drm/nouveau/hdmi: enable audio for nva3:nvd0 chipsets

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Pre-nva3 will likely require far more extensive setup, and nvd9 needs to
be checked to find its SOR_HDMI/SOR_AUDIO blocks.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2011-11-09 10:03:01 +10:00
parent 9e7f96aa3a
commit 50a01fe06e
1 changed files with 24 additions and 3 deletions
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27
drivers/gpu/drm/nouveau/nouveau_hdmi.c
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@ -219,6 +219,8 @@ nouveau_hdmi_mode_set(struct drm_encoder *encoder,
{
struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
struct nouveau_connector *nv_connector;
struct drm_device *dev = encoder->dev;
u32 max_ac_packet, rekey;
nv_connector = nouveau_encoder_connector_get(nv_encoder);
if (!mode || !nv_connector || !nv_connector->edid ||
@ -227,11 +229,30 @@ nouveau_hdmi_mode_set(struct drm_encoder *encoder,
return;
}
/* enable hdmi */
hdmi_mask(encoder, 0x0a4, 0x40000000, 0x40000000);
nouveau_hdmi_video_infoframe(encoder, mode);
nouveau_hdmi_audio_infoframe(encoder, mode);
hdmi_mask(encoder, 0x0d0, 0x00070001, 0x00010001); /* SPARE, HW_CTS */
hdmi_mask(encoder, 0x068, 0x00010101, 0x00000000); /* ACR_CTRL, ?? */
hdmi_mask(encoder, 0x078, 0x80000000, 0x80000000); /* ACR_0441_ENABLE */
nv_mask(dev, 0x61733c, 0x00100000, 0x00100000); /* RESETF */
nv_mask(dev, 0x61733c, 0x10000000, 0x10000000); /* LOOKUP_EN */
nv_mask(dev, 0x61733c, 0x00100000, 0x00000000); /* !RESETF */
/* value matches nvidia binary driver, and tegra constant */
rekey = 56;
max_ac_packet = mode->htotal - mode->hdisplay;
max_ac_packet -= rekey;
max_ac_packet -= 18; /* constant from tegra */
max_ac_packet /= 32;
/* enable hdmi */
hdmi_mask(encoder, 0x0a4, 0x5f1f003f, 0x40000000 | /* enable */
0x1f000000 | /* unknown */
max_ac_packet << 16 |
rekey);
nouveau_audio_mode_set(encoder, mode);
}