[alsa-devel] [PATCH] hda: SPDIF mux controls
Matthew Ranostay
mranostay at embeddedalley.com
Fri Sep 5 20:55:02 CEST 2008
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Hash: SHA1
Dynamically create mux controls for SPDIF outs on certain IDT/Sigmatel codecs.
- ---
Signed-off-by: Matthew Ranostay <mranostay at embeddedalley.com>
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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