[alsa-devel] HD-Audio device unsuppored (Nvidia G2xx-series GPU implemented)

[Stefan Ringel]

Am 28.12.2009 23:23, schrieb Takashi Iwai:
> At Mon, 28 Dec 2009 22:34:09 +0100,
> I wrote:
>   
>> At Sun, 27 Dec 2009 17:20:25 +0100,
>> Stefan Ringel wrote:
>>     
>>> I have tested with patch_intelhdmi.c and it works, and I have tested
>>> with patch_atihdmi.c (changing convert nid and pin nid) and it works
>>> also. But I have problems to attach codec #2 and #3.
>>> Next I'm updating patch_nvhdmi.c and testing it.
>>>       
>> Did you test also more than 2 channels?  Each codec looks supporting to
>> 8 channels output, so it might do actually.  But, it might be also
>> separated 4x2 channels.
>>
>> So far, only two HDMI codecs are supported individually.
>> For using these four codecs, we'd need a hack.
>>     
> Something like below...
>
>
> Takashi
>
> ---
> diff --git a/sound/pci/hda/patch_nvhdmi.c b/sound/pci/hda/patch_nvhdmi.c
> index 6afdab0..bad7fab 100644
> --- a/sound/pci/hda/patch_nvhdmi.c
> +++ b/sound/pci/hda/patch_nvhdmi.c
> @@ -392,6 +392,136 @@ static int patch_nvhdmi_2ch(struct hda_codec *codec)
>  }
>  
>  /*
> + * Quad 2ch codecs on G2x
> + *
> + * 4 x 2ch codecs for 8 channels output
> + */
> +static int nvhdmi_pcm_prepare_quad_2ch(struct hda_pcm_stream *hinfo,
> +				       struct hda_codec *codec,
> +				       unsigned int stream_tag,
> +				       unsigned int format,
> +				       struct snd_pcm_substream *substream)
> +{
> +	int i, ncodecs;
> +	struct hda_codec *c;
> +
> +	mutex_lock(&codec->spdif_mutex);
> +	ncodecs = substream->runtime->channels / 2;
> +	/* turn off SPDIF once */
> +	if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE)) {
> +		unsigned int ctls = codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff;
> +		for (i = 0; i < ncodecs; i++) {
> +			c = codec->bus->caddr_tbl[i];
> +			if (c)
> +				snd_hda_codec_write(c, Nv_Master_Convert_nid, 0,
> +						    AC_VERB_SET_DIGI_CONVERT_1,
> +						    ctls);
> +		}
> +	}
> +
> +	/* set the stream id */
> +	for (i = 0; i < ncodecs; i++) {
> +		c = codec->bus->caddr_tbl[i];
> +		if (c)
> +			snd_hda_codec_setup_stream(c, Nv_Master_Convert_nid,
> +						   stream_tag, i << 1, format);
> +	}
> +
> +	/* turn on SPDIF again (if needed) */
> +	if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE)) {
> +		for (i = 0; i < ncodecs; i++) {
> +			c = codec->bus->caddr_tbl[i];
> +			if (c) {
> +				snd_hda_codec_write(c, Nv_Master_Convert_nid, 0,
> +						    AC_VERB_SET_DIGI_CONVERT_1,
> +						    codec->spdif_ctls & 0xff);
> +				snd_hda_codec_write(c, Nv_Master_Convert_nid, 0,
> +						    AC_VERB_SET_DIGI_CONVERT_2,
> +						    codec->spdif_ctls >> 8);
> +			}
> +		}
> +	}
> +	mutex_unlock(&codec->spdif_mutex);
> +	return 0;
> +}
> +
> +static int nvhdmi_pcm_cleanup_quad_2ch(struct hda_pcm_stream *hinfo,
> +				       struct hda_codec *codec,
> +				       struct snd_pcm_substream *substream)
> +{
> +	int i, ncodecs;
> +	struct hda_codec *c;
> +
> +	mutex_lock(&codec->spdif_mutex);
> +	ncodecs = substream->runtime->channels / 2;
> +	for (i = 0; i < ncodecs; i++) {
> +		c = codec->bus->caddr_tbl[i];
> +		if (c)
> +			snd_hda_codec_cleanup_stream(c, Nv_Master_Convert_nid);
> +	}
> +	mutex_unlock(&codec->spdif_mutex);
> +	return 0;
> +}
> +
> +static struct hda_pcm_stream nvhdmi_pcm_playback_quad_2ch = {
> +	.substreams = 1,
> +	.channels_min = 2,
> +	.channels_max = 8,
> +	.nid = Nv_Master_Convert_nid,
> +	.rates = SUPPORTED_RATES,
> +	.maxbps = SUPPORTED_MAXBPS,
> +	.formats = SUPPORTED_FORMATS,
> +	.ops = {
> +		.prepare = nvhdmi_pcm_prepare_quad_2ch,
> +		.cleanup = nvhdmi_pcm_cleanup_quad_2ch,
> +	},
> +};
> +
> +static int nvhdmi_build_pcms_quad_2ch(struct hda_codec *codec)
> +{
> +	struct nvhdmi_spec *spec = codec->spec;
> +	struct hda_pcm *info = &spec->pcm_rec;
> +
> +	codec->num_pcms = 1;
> +	codec->pcm_info = info;
> +
> +	info->name = "NVIDIA HDMI";
> +	info->pcm_type = HDA_PCM_TYPE_HDMI;
> +	info->stream[SNDRV_PCM_STREAM_PLAYBACK] = nvhdmi_pcm_playback_quad_2ch;
> +
> +	return 0;
> +}
> +
> +static struct hda_codec_ops nvhdmi_patch_ops_quad_2ch = {
> +	.build_controls = nvhdmi_build_controls,
> +	.build_pcms = nvhdmi_build_pcms_quad_2ch,
> +	.init = nvhdmi_init,
> +	.free = nvhdmi_free,
> +};
> +
> +static int patch_nvhdmi_quad_2ch(struct hda_codec *codec)
> +{
> +	struct nvhdmi_spec *spec;
> +
> +	if (codec->addr > 0)
> +		return 0;
> +
> +	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
> +	if (spec == NULL)
> +		return -ENOMEM;
> +
> +	codec->spec = spec;
> +
> +	spec->multiout.num_dacs = 0;  /* no analog */
> +	spec->multiout.max_channels = 8;
> +	spec->multiout.dig_out_nid = Nv_Master_Convert_nid;
> +
> +	codec->patch_ops = nvhdmi_patch_ops_quad_2ch;
> +
> +	return 0;
> +}
> +
> +/*
>   * patch entries
>   */
>  static struct hda_codec_preset snd_hda_preset_nvhdmi[] = {
> @@ -400,6 +530,9 @@ static struct hda_codec_preset snd_hda_preset_nvhdmi[] = {
>  	{ .id = 0x10de0005, .name = "MCP78 HDMI", .patch = patch_nvhdmi_8ch },
>  	{ .id = 0x10de0006, .name = "MCP78 HDMI", .patch = patch_nvhdmi_8ch },
>  	{ .id = 0x10de0007, .name = "MCP7A HDMI", .patch = patch_nvhdmi_8ch },
> +	{ .id = 0x10de000a, .name = "G2x HDMI", .patch = patch_nvhdmi_quad_2ch },
> +	{ .id = 0x10de000b, .name = "G2x HDMI", .patch = patch_nvhdmi_quad_2ch },
> +	{ .id = 0x10de000d, .name = "G2x HDMI", .patch = patch_nvhdmi_quad_2ch },
>  	{ .id = 0x10de0067, .name = "MCP67 HDMI", .patch = patch_nvhdmi_2ch },
>  	{ .id = 0x10de8001, .name = "MCP73 HDMI", .patch = patch_nvhdmi_2ch },
>  	{} /* terminator */
> @@ -410,6 +543,9 @@ MODULE_ALIAS("snd-hda-codec-id:10de0003");
>  MODULE_ALIAS("snd-hda-codec-id:10de0005");
>  MODULE_ALIAS("snd-hda-codec-id:10de0006");
>  MODULE_ALIAS("snd-hda-codec-id:10de0007");
> +MODULE_ALIAS("snd-hda-codec-id:10de000a");
> +MODULE_ALIAS("snd-hda-codec-id:10de000b");
> +MODULE_ALIAS("snd-hda-codec-id:10de000d");
>  MODULE_ALIAS("snd-hda-codec-id:10de0067");
>  MODULE_ALIAS("snd-hda-codec-id:10de8001");
>  
>   
I think it's false. It must initialize in native mode (EPT) -> this
patch can't sound, I'd tested it.

-- 
Stefan Ringel <stefan.ringel at arcor.de>