diff options
Diffstat (limited to 'sound/pci/hda/patch_hdmi.c')
-rw-r--r-- | sound/pci/hda/patch_hdmi.c | 102 |
1 files changed, 83 insertions, 19 deletions
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 2fc53961054e..afd6022a96a7 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -46,6 +46,7 @@ struct hdmi_spec { * export one pcm per pipe */ struct hda_pcm pcm_rec[MAX_HDMI_CVTS]; + struct hda_pcm_stream codec_pcm_pars[MAX_HDMI_CVTS]; /* * nvhdmi specific @@ -698,30 +699,93 @@ static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res) * Callbacks */ -static void hdmi_setup_stream(struct hda_codec *codec, hda_nid_t nid, +/* HBR should be Non-PCM, 8 channels */ +#define is_hbr_format(format) \ + ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7) + +static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t nid, u32 stream_tag, int format) { - int tag; - int fmt; + struct hdmi_spec *spec = codec->spec; + int pinctl; + int new_pinctl = 0; + int i; + + for (i = 0; i < spec->num_pins; i++) { + if (spec->pin_cvt[i] != nid) + continue; + if (!(snd_hda_query_pin_caps(codec, spec->pin[i]) & AC_PINCAP_HBR)) + continue; - tag = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0) >> 4; - fmt = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_STREAM_FORMAT, 0); + pinctl = snd_hda_codec_read(codec, spec->pin[i], 0, + AC_VERB_GET_PIN_WIDGET_CONTROL, 0); + + new_pinctl = pinctl & ~AC_PINCTL_EPT; + if (is_hbr_format(format)) + new_pinctl |= AC_PINCTL_EPT_HBR; + else + new_pinctl |= AC_PINCTL_EPT_NATIVE; + + snd_printdd("hdmi_setup_stream: " + "NID=0x%x, %spinctl=0x%x\n", + spec->pin[i], + pinctl == new_pinctl ? "" : "new-", + new_pinctl); + + if (pinctl != new_pinctl) + snd_hda_codec_write(codec, spec->pin[i], 0, + AC_VERB_SET_PIN_WIDGET_CONTROL, + new_pinctl); + } - snd_printdd("hdmi_setup_stream: " - "NID=0x%x, %sstream=0x%x, %sformat=0x%x\n", - nid, - tag == stream_tag ? "" : "new-", - stream_tag, - fmt == format ? "" : "new-", - format); + if (is_hbr_format(format) && !new_pinctl) { + snd_printdd("hdmi_setup_stream: HBR is not supported\n"); + return -EINVAL; + } - if (tag != stream_tag) - snd_hda_codec_write(codec, nid, 0, - AC_VERB_SET_CHANNEL_STREAMID, - stream_tag << 4); - if (fmt != format) - snd_hda_codec_write(codec, nid, 0, - AC_VERB_SET_STREAM_FORMAT, format); + snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format); + return 0; +} + +/* + * HDA PCM callbacks + */ +static int hdmi_pcm_open(struct hda_pcm_stream *hinfo, + struct hda_codec *codec, + struct snd_pcm_substream *substream) +{ + struct hdmi_spec *spec = codec->spec; + struct hdmi_eld *eld; + struct hda_pcm_stream *codec_pars; + unsigned int idx; + + for (idx = 0; idx < spec->num_cvts; idx++) + if (hinfo->nid == spec->cvt[idx]) + break; + if (snd_BUG_ON(idx >= spec->num_cvts) || + snd_BUG_ON(idx >= spec->num_pins)) + return -EINVAL; + + /* save the PCM info the codec provides */ + codec_pars = &spec->codec_pcm_pars[idx]; + if (!codec_pars->rates) + *codec_pars = *hinfo; + + eld = &spec->sink_eld[idx]; + if (eld->sad_count > 0) { + hdmi_eld_update_pcm_info(eld, hinfo, codec_pars); + if (hinfo->channels_min > hinfo->channels_max || + !hinfo->rates || !hinfo->formats) + return -ENODEV; + } else { + /* fallback to the codec default */ + hinfo->channels_min = codec_pars->channels_min; + hinfo->channels_max = codec_pars->channels_max; + hinfo->rates = codec_pars->rates; + hinfo->formats = codec_pars->formats; + hinfo->maxbps = codec_pars->maxbps; + } + return 0; } /* |