[alsa-devel] [PATCH] hda: SPDIF mux controls

Takashi Iwai tiwai at suse.de
Mon Sep 8 16:26:20 CEST 2008


At Sun, 07 Sep 2008 11:17:47 -0400,
Matthew Ranostay wrote:
> 
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> Takashi Iwai wrote:
> > At Fri, 05 Sep 2008 14:55:02 -0400,
> > Matthew Ranostay wrote:
> > Dynamically create mux controls for SPDIF outs on certain IDT/Sigmatel codecs.
> > 
> > ---
> > Signed-off-by: Matthew Ranostay <mranostay at embeddedalley.com>
> > 
> >> Thanks, applied.
> > 
> >> One concern is whether "IEC958 Mux" is the right name for this.
> >> Maybe something like "IEC958 Capture Source" would be more intuitive.
> Ah but it isn't a capture source mux it's actually for the output SPDIF's.

OK, then it can be "IEC958 Playback Source".


Takashi

> 
> - - Matt
> 
> >> However, note that "Capture Source" name is often problematic for
> >> multiple instances due to a bug (or a feature) of alsa-lib mixer
> >> abstraction.  (That's why "Input Source" is used in many HD-audio
> >> codes.)
> > 
> > 
> >> Takashi
> > 
> > diff --git a/pci/hda/patch_sigmatel.c b/pci/hda/patch_sigmatel.c
> > index 9968ee4..4637d76 100644
> > --- a/pci/hda/patch_sigmatel.c
> > +++ b/pci/hda/patch_sigmatel.c
> > @@ -173,6 +173,9 @@ struct sigmatel_spec {
> >  	unsigned int num_dmics;
> >  	hda_nid_t *dmux_nids;
> >  	unsigned int num_dmuxes;
> > +	hda_nid_t *smux_nids;
> > +	unsigned int num_smuxes;
> > +
> >  	hda_nid_t dig_in_nid;
> >  	hda_nid_t mono_nid;
> >  	hda_nid_t anabeep_nid;
> > @@ -193,6 +196,8 @@ struct sigmatel_spec {
> >  	unsigned int cur_dmux[2];
> >  	struct hda_input_mux *input_mux;
> >  	unsigned int cur_mux[3];
> > +	struct hda_input_mux *sinput_mux;
> > +	unsigned int cur_smux[2];
> >  	unsigned int powerdown_adcs;
> > 
> >  	/* i/o switches */
> > @@ -209,6 +214,7 @@ struct sigmatel_spec {
> >  	struct snd_kcontrol_new *kctl_alloc;
> >  	struct hda_input_mux private_dimux;
> >  	struct hda_input_mux private_imux;
> > +	struct hda_input_mux private_smux;
> >  	struct hda_input_mux private_mono_mux;
> >  };
> > 
> > @@ -251,6 +257,10 @@ static hda_nid_t stac92hd73xx_dmux_nids[2] = {
> >  	0x20, 0x21,
> >  };
> > 
> > +static hda_nid_t stac92hd73xx_smux_nids[2] = {
> > +	0x22, 0x23,
> > +};
> > +
> >  #define STAC92HD83XXX_NUM_DMICS	2
> >  static hda_nid_t stac92hd83xxx_dmic_nids[STAC92HD83XXX_NUM_DMICS + 1] = {
> >  	0x11, 0x12, 0
> > @@ -294,6 +304,10 @@ static hda_nid_t stac92hd71bxx_dmux_nids[1] = {
> >  	0x1c,
> >  };
> > 
> > +static hda_nid_t stac92hd71bxx_smux_nids[2] = {
> > +	0x24, 0x25,
> > +};
> > +
> >  static hda_nid_t stac92hd71bxx_dac_nids[1] = {
> >  	0x10, /*0x11, */
> >  };
> > @@ -340,6 +354,10 @@ static hda_nid_t stac927x_mux_nids[3] = {
> >          0x15, 0x16, 0x17
> >  };
> > 
> > +static hda_nid_t stac927x_smux_nids[1] = {
> > +	0x21,
> > +};
> > +
> >  static hda_nid_t stac927x_dac_nids[6] = {
> >  	0x02, 0x03, 0x04, 0x05, 0x06, 0
> >  };
> > @@ -365,6 +383,10 @@ static hda_nid_t stac9205_dmux_nids[1] = {
> >  	0x1d,
> >  };
> > 
> > +static hda_nid_t stac9205_smux_nids[1] = {
> > +	0x21,
> > +};
> > +
> >  #define STAC9205_NUM_DMICS	2
> >  static hda_nid_t stac9205_dmic_nids[STAC9205_NUM_DMICS + 1] = {
> >          0x17, 0x18, 0
> > @@ -388,7 +410,7 @@ static hda_nid_t stac922x_pin_nids[10] = {
> >  static hda_nid_t stac92hd73xx_pin_nids[13] = {
> >  	0x0a, 0x0b, 0x0c, 0x0d, 0x0e,
> >  	0x0f, 0x10, 0x11, 0x12, 0x13,
> > -	0x14, 0x1e, 0x22
> > +	0x14, 0x22, 0x23
> >  };
> > 
> >  static hda_nid_t stac92hd83xxx_pin_nids[14] = {
> > @@ -443,6 +465,36 @@ static int stac92xx_dmux_enum_put(struct snd_kcontrol *kcontrol,
> >  			spec->dmux_nids[dmux_idx], &spec->cur_dmux[dmux_idx]);
> >  }
> > 
> > +static int stac92xx_smux_enum_info(struct snd_kcontrol *kcontrol,
> > +				   struct snd_ctl_elem_info *uinfo)
> > +{
> > +	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
> > +	struct sigmatel_spec *spec = codec->spec;
> > +	return snd_hda_input_mux_info(spec->sinput_mux, uinfo);
> > +}
> > +
> > +static int stac92xx_smux_enum_get(struct snd_kcontrol *kcontrol,
> > +				  struct snd_ctl_elem_value *ucontrol)
> > +{
> > +	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
> > +	struct sigmatel_spec *spec = codec->spec;
> > +	unsigned int smux_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
> > +
> > +	ucontrol->value.enumerated.item[0] = spec->cur_smux[smux_idx];
> > +	return 0;
> > +}
> > +
> > +static int stac92xx_smux_enum_put(struct snd_kcontrol *kcontrol,
> > +				  struct snd_ctl_elem_value *ucontrol)
> > +{
> > +	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
> > +	struct sigmatel_spec *spec = codec->spec;
> > +	unsigned int smux_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
> > +
> > +	return snd_hda_input_mux_put(codec, spec->sinput_mux, ucontrol,
> > +			spec->smux_nids[smux_idx], &spec->cur_smux[smux_idx]);
> > +}
> > +
> >  static int stac92xx_mux_enum_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
> >  {
> >  	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
> > @@ -993,6 +1045,15 @@ static struct snd_kcontrol_new stac_dmux_mixer = {
> >  	.put = stac92xx_dmux_enum_put,
> >  };
> > 
> > +static struct snd_kcontrol_new stac_smux_mixer = {
> > +	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
> > +	.name = "IEC958 Mux",
> > +	/* count set later */
> > +	.info = stac92xx_smux_enum_info,
> > +	.get = stac92xx_smux_enum_get,
> > +	.put = stac92xx_smux_enum_put,
> > +};
> > +
> >  static const char *slave_vols[] = {
> >  	"Front Playback Volume",
> >  	"Surround Playback Volume",
> > @@ -1044,6 +1105,13 @@ static int stac92xx_build_controls(struct hda_codec *codec)
> >  		if (err < 0)
> >  			return err;
> >  	}
> > +	if (spec->num_smuxes > 0) {
> > +		stac_smux_mixer.count = spec->num_smuxes;
> > +		err = snd_ctl_add(codec->bus->card,
> > +				  snd_ctl_new1(&stac_smux_mixer, codec));
> > +		if (err < 0)
> > +			return err;
> > +	}
> > 
> >  	if (spec->multiout.dig_out_nid) {
> >  		err = snd_hda_create_spdif_out_ctls(codec, spec->multiout.dig_out_nid);
> > @@ -2811,6 +2879,34 @@ static int stac92xx_auto_create_mux_input_ctls(struct hda_codec *codec)
> >  	return 0;
> >  };
> > 
> > +static const char *stac92xx_spdif_labels[3] = {
> > +	"Digital Playback", "Analog Mux 1", "Analog Mux 2"
> > +};
> > +
> > +static int stac92xx_auto_create_spdif_mux_ctls(struct hda_codec *codec)
> > +{
> > +	struct sigmatel_spec *spec = codec->spec;
> > +	struct hda_input_mux *spdif_mux = &spec->private_smux;
> > +	int i, num_cons;
> > +	hda_nid_t con_lst[ARRAY_SIZE(stac92xx_spdif_labels)];
> > +
> > +	num_cons = snd_hda_get_connections(codec,
> > +				spec->smux_nids[0],
> > +				con_lst,
> > +				HDA_MAX_NUM_INPUTS);
> > +	if (!num_cons || num_cons > ARRAY_SIZE(stac92xx_spdif_labels))
> > +		return -EINVAL;
> > +
> > +	for (i = 0; i < num_cons; i++) {
> > +		spdif_mux->items[spdif_mux->num_items].label =
> > +					stac92xx_spdif_labels[i];
> > +		spdif_mux->items[spdif_mux->num_items].index = i;
> > +		spdif_mux->num_items++;
> > +	}
> > +
> > +	return 0;
> > +}
> > +
> >  /* labels for dmic mux inputs */
> >  static const char *stac92xx_dmic_labels[5] = {
> >  	"Analog Inputs", "Digital Mic 1", "Digital Mic 2",
> > @@ -3114,6 +3210,11 @@ static int stac92xx_parse_auto_config(struct hda_codec *codec, hda_nid_t dig_out
> >  		if (err < 0)
> >  			return err;
> >  	}
> > +	if (spec->num_smuxes > 0) {
> > +		err = stac92xx_auto_create_spdif_mux_ctls(codec);
> > +		if (err < 0)
> > +			return err;
> > +	}
> > 
> >  	spec->multiout.max_channels = spec->multiout.num_dacs * 2;
> >  	if (spec->multiout.max_channels > 2)
> > @@ -3130,6 +3231,7 @@ static int stac92xx_parse_auto_config(struct hda_codec *codec, hda_nid_t dig_out
> >  	spec->input_mux = &spec->private_imux;
> >  	if (!spec->dinput_mux)
> >  		spec->dinput_mux = &spec->private_dimux;
> > +	spec->sinput_mux = &spec->private_smux;
> >  	spec->mono_mux = &spec->private_mono_mux;
> > 
> >  	return 1;
> > @@ -3800,10 +3902,12 @@ again:
> >  	spec->adc_nids = stac92hd73xx_adc_nids;
> >  	spec->dmic_nids = stac92hd73xx_dmic_nids;
> >  	spec->dmux_nids = stac92hd73xx_dmux_nids;
> > +	spec->smux_nids = stac92hd73xx_smux_nids;
> > 
> >  	spec->num_muxes = ARRAY_SIZE(stac92hd73xx_mux_nids);
> >  	spec->num_adcs = ARRAY_SIZE(stac92hd73xx_adc_nids);
> >  	spec->num_dmuxes = ARRAY_SIZE(stac92hd73xx_dmux_nids);
> > +	spec->num_smuxes = ARRAY_SIZE(stac92hd73xx_smux_nids);
> >  	spec->dinput_mux = &stac92hd73xx_dmux;
> >  	/* GPIO0 High = Enable EAPD */
> >  	spec->eapd_mask = spec->gpio_mask = spec->gpio_dir = 0x1;
> > @@ -3842,7 +3946,7 @@ again:
> >  	spec->num_pwrs = ARRAY_SIZE(stac92hd73xx_pwr_nids);
> >  	spec->pwr_nids = stac92hd73xx_pwr_nids;
> > 
> > -	err = stac92xx_parse_auto_config(codec, 0x22, 0x24);
> > +	err = stac92xx_parse_auto_config(codec, 0x25, 0x27);
> > 
> >  	if (!err) {
> >  		if (spec->board_config < 0) {
> > @@ -4081,11 +4185,13 @@ again:
> >  	spec->adc_nids = stac92hd71bxx_adc_nids;
> >  	spec->dmic_nids = stac92hd71bxx_dmic_nids;
> >  	spec->dmux_nids = stac92hd71bxx_dmux_nids;
> > +	spec->smux_nids = stac92hd71bxx_smux_nids;
> >  	spec->pwr_nids = stac92hd71bxx_pwr_nids;
> > 
> >  	spec->num_muxes = ARRAY_SIZE(stac92hd71bxx_mux_nids);
> >  	spec->num_adcs = ARRAY_SIZE(stac92hd71bxx_adc_nids);
> >  	spec->num_dmics = STAC92HD71BXX_NUM_DMICS;
> > +	spec->num_smuxes = ARRAY_SIZE(stac92hd71bxx_smux_nids);
> >  	spec->num_dmuxes = ARRAY_SIZE(stac92hd71bxx_dmux_nids);
> > 
> >  	spec->multiout.num_dacs = 1;
> > @@ -4254,6 +4360,8 @@ static int patch_stac927x(struct hda_codec *codec)
> >  	spec->num_adcs = ARRAY_SIZE(stac927x_adc_nids);
> >  	spec->mux_nids = stac927x_mux_nids;
> >  	spec->num_muxes = ARRAY_SIZE(stac927x_mux_nids);
> > +	spec->smux_nids = stac927x_smux_nids;
> > +	spec->num_smuxes = ARRAY_SIZE(stac927x_smux_nids);
> >  	spec->dac_list = stac927x_dac_nids;
> >  	spec->multiout.dac_nids = spec->dac_nids;
> > 
> > @@ -4375,6 +4483,8 @@ static int patch_stac9205(struct hda_codec *codec)
> >  	spec->num_adcs = ARRAY_SIZE(stac9205_adc_nids);
> >  	spec->mux_nids = stac9205_mux_nids;
> >  	spec->num_muxes = ARRAY_SIZE(stac9205_mux_nids);
> > +	spec->smux_nids = stac9205_smux_nids;
> > +	spec->num_smuxes = ARRAY_SIZE(stac9205_smux_nids);
> >  	spec->dmic_nids = stac9205_dmic_nids;
> >  	spec->num_dmics = STAC9205_NUM_DMICS;
> >  	spec->dmux_nids = stac9205_dmux_nids;
> >>
> 
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