[ALSA] SigmaTel HDA SPDIF and input mux updates

HDA Codec driver
Adds SPDIF in/out support to the SigmaTel HDA codecs. Now builds
the input mux control element names from the defcfg regs.

Signed-off-by: Matt <matt@embeddedalley.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 145 insertions, 39 deletions

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 1534e20af63d..013be2ea513a 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -42,9 +42,11 @@ struct sigmatel_spec {
 
         /* capture */
         hda_nid_t *adc_nids;
-        hda_nid_t *mux_nids;
         unsigned int num_adcs;
+        hda_nid_t *mux_nids;
+        unsigned int num_muxes;
         hda_nid_t capture_nid;
+        hda_nid_t dig_in_nid;
 
         /* power management*/
         hda_nid_t *pstate_nids;
@@ -62,7 +64,8 @@ struct sigmatel_spec {
         snd_kcontrol_new_t *mixer;
 
         /* capture source */
-        const struct hda_input_mux *input_mux;
+        struct hda_input_mux input_mux;
+        char input_labels[HDA_MAX_NUM_INPUTS][16];
         unsigned int cur_mux[2];
 
         /* channel mode */
@@ -105,8 +108,8 @@ static hda_nid_t stac922x_dac_nids[4] = {
         0x02, 0x03, 0x04, 0x05,
 };
 
-static hda_nid_t stac922x_pstate_nids[7] = {
-        0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+static hda_nid_t stac922x_pstate_nids[8] = {
+        0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x11,
 };
 
 static hda_nid_t stac922x_pin_nids[10] = {
@@ -118,7 +121,7 @@ static int stac92xx_mux_enum_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t
 {
         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
         struct sigmatel_spec *spec = codec->spec;
-        return snd_hda_input_mux_info(spec->input_mux, uinfo);
+        return snd_hda_input_mux_info(&spec->input_mux, uinfo);
 }
 
 static int stac92xx_mux_enum_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
@@ -137,7 +140,7 @@ static int stac92xx_mux_enum_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t
         struct sigmatel_spec *spec = codec->spec;
         unsigned int adc_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
 
-        return snd_hda_input_mux_put(codec, spec->input_mux, ucontrol,
+        return snd_hda_input_mux_put(codec, &spec->input_mux, ucontrol,
                                      spec->mux_nids[adc_idx], &spec->cur_mux[adc_idx]);
 }
 
@@ -192,30 +195,6 @@ static snd_kcontrol_new_t stac922x_mixer[] = {
         { } /* end */
 };
 
-static struct hda_input_mux stac9200_input_mux = {
-        .num_items = 5,
-        .items = {
-                { "Port B", 0x0 },
-                { "Port C", 0x1 },
-                { "Port D", 0x2 },
-                { "Port A", 0x3 },
-                { "CD", 0x4 },
-        }
-};
-
-static struct hda_input_mux stac922x_input_mux = {
-        .num_items = 7,
-        .items = {
-                { "Port E", 0x0 },
-                { "CD", 0x1 },
-                { "Port F", 0x2 },
-                { "Port B", 0x3 },
-                { "Port C", 0x4 },
-                { "Port D", 0x5 },
-                { "Port A", 0x6 },
-        }
-};
-
 static int stac92xx_build_controls(struct hda_codec *codec)
 {
         struct sigmatel_spec *spec = codec->spec;
@@ -224,19 +203,28 @@ static int stac92xx_build_controls(struct hda_codec *codec)
         err = snd_hda_add_new_ctls(codec, spec->mixer);
         if (err < 0)
                 return err;
-
-        return 0;
+        if (spec->multiout.dig_out_nid) {
+                err = snd_hda_create_spdif_out_ctls(codec, spec->multiout.dig_out_nid);
+                if (err < 0)
+                        return err;
+        }
+        if (spec->dig_in_nid) {
+                err = snd_hda_create_spdif_in_ctls(codec, spec->dig_in_nid);
+                if (err < 0)
+                        return err;
+        }
+        return 0;       
 }
 
 #ifdef STAC_TEST
 static unsigned int stac9200_pin_configs[8] = {
-        0x40000100, 0x40000100, 0x0221401f, 0x01114010,
+        0x01c47010, 0x01447010, 0x0221401f, 0x01114010,
         0x02a19020, 0x01a19021, 0x90100140, 0x01813122,
 };
 
 static unsigned int stac922x_pin_configs[14] = {
         0x40000100, 0x40000100, 0x40000100, 0x01114010,
-        0x01813122, 0x40000100, 0x40000100, 0x40000100,
+        0x01813122, 0x40000100, 0x01447010, 0x01c47010,
         0x40000100, 0x40000100,
 };
 
@@ -299,29 +287,89 @@ static int stac92xx_set_vref(struct hda_codec *codec, hda_nid_t nid)
         return 0;
 }
 
+/*
+ * retrieve the default device type from the default config value
+ */
+#define get_defcfg_type(cfg) ((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT)
+#define get_defcfg_location(cfg) ((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT)
+
 static int stac92xx_config_pin(struct hda_codec *codec, hda_nid_t nid, unsigned int pin_cfg)
 {
-        switch((pin_cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT) {
+        struct sigmatel_spec *spec = codec->spec;
+        u32 location = get_defcfg_location(pin_cfg);
+        char *label;
+        const char *type = NULL;
+        int ainput = 0;
+
+        switch(get_defcfg_type(pin_cfg)) {
                 case AC_JACK_HP_OUT:
                         /* Enable HP amp */
                         stac92xx_set_pinctl(codec, nid, AC_PINCTL_HP_EN);
                         /* Fall through */
+                case AC_JACK_SPDIF_OUT:
                 case AC_JACK_LINE_OUT:
                 case AC_JACK_SPEAKER:
                         /* Enable output */
                         stac92xx_set_pinctl(codec, nid, AC_PINCTL_OUT_EN);
                         break;
+                case AC_JACK_SPDIF_IN:
+                        stac92xx_set_pinctl(codec, nid, AC_PINCTL_IN_EN);
+                        break;
                 case AC_JACK_MIC_IN:
+                        if ((location & 0x0f) == AC_JACK_LOC_FRONT)
+                                type = "Front Mic";
+                        else
+                                type = "Mic";
+                        ainput = 1;
                         /* Set vref */
                         stac92xx_set_vref(codec, nid);
+                        stac92xx_set_pinctl(codec, nid, AC_PINCTL_IN_EN);
+                        break;
                 case AC_JACK_CD:
+                        type = "CD";
+                        ainput = 1;
+                        stac92xx_set_pinctl(codec, nid, AC_PINCTL_IN_EN);
+                        break;
                 case AC_JACK_LINE_IN:
+                        if ((location & 0x0f) == AC_JACK_LOC_FRONT)
+                                type = "Front Line";
+                        else
+                                type = "Line";
+                        ainput = 1;
+                        stac92xx_set_pinctl(codec, nid, AC_PINCTL_IN_EN);
+                        break;
                 case AC_JACK_AUX:
-                        /* Enable input */
+                        if ((location & 0x0f) == AC_JACK_LOC_FRONT)
+                                type = "Front Aux";
+                        else
+                                type = "Aux";
+                        ainput = 1;
                         stac92xx_set_pinctl(codec, nid, AC_PINCTL_IN_EN);
                         break;
         }
 
+        if (ainput) {
+                hda_nid_t con_lst[HDA_MAX_NUM_INPUTS];
+                int i, j, num_cons, index = -1;
+                if (!type)
+                        type = "Input";
+                label = spec->input_labels[spec->input_mux.num_items];
+                strcpy(label, type);
+                spec->input_mux.items[spec->input_mux.num_items].label = label;
+                for (i=0; i<spec->num_muxes; i++) {
+                        num_cons = snd_hda_get_connections(codec, spec->mux_nids[i], con_lst, HDA_MAX_NUM_INPUTS);
+                        for (j=0; j<num_cons; j++)
+                                if (con_lst[j] == nid) {
+                                        index = j;
+                                        break;
+                                }
+                        if (index >= 0)
+                                break;
+                }
+                spec->input_mux.items[spec->input_mux.num_items].index = index;
+                spec->input_mux.num_items++;
+        }
+
         return 0;
 }
 
@@ -402,6 +450,26 @@ static int stac92xx_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
 }
 
 /*
+ * Digital playback callbacks
+ */
+static int stac92xx_dig_playback_pcm_open(struct hda_pcm_stream *hinfo,
+                                          struct hda_codec *codec,
+                                          snd_pcm_substream_t *substream)
+{
+        struct sigmatel_spec *spec = codec->spec;
+        return snd_hda_multi_out_dig_open(codec, &spec->multiout);
+}
+
+static int stac92xx_dig_playback_pcm_close(struct hda_pcm_stream *hinfo,
+                                           struct hda_codec *codec,
+                                           snd_pcm_substream_t *substream)
+{
+        struct sigmatel_spec *spec = codec->spec;
+        return snd_hda_multi_out_dig_close(codec, &spec->multiout);
+}
+
+
+/*
  * Analog capture callbacks
  */
 static int stac92xx_capture_pcm_prepare(struct hda_pcm_stream *hinfo,
@@ -427,6 +495,24 @@ static int stac92xx_capture_pcm_cleanup(struct hda_pcm_stream *hinfo,
         return 0;
 }
 
+static struct hda_pcm_stream stac92xx_pcm_digital_playback = {
+        .substreams = 1,
+        .channels_min = 2,
+        .channels_max = 2,
+        /* NID is set in stac92xx_build_pcms */
+        .ops = {
+                .open = stac92xx_dig_playback_pcm_open,
+                .close = stac92xx_dig_playback_pcm_close
+        },
+};
+
+static struct hda_pcm_stream stac92xx_pcm_digital_capture = {
+        .substreams = 1,
+        .channels_min = 2,
+        .channels_max = 2,
+        /* NID is set in stac92xx_build_pcms */
+};
+
 static struct hda_pcm_stream stac92xx_pcm_analog_playback = {
         .substreams = 1,
         .channels_min = 2,
@@ -464,6 +550,20 @@ static int stac92xx_build_pcms(struct hda_codec *codec)
         info->stream[SNDRV_PCM_STREAM_CAPTURE] = stac92xx_pcm_analog_capture;
         info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = spec->capture_nid;
 
+        if (spec->multiout.dig_out_nid || spec->dig_in_nid) {
+                codec->num_pcms++;
+                info++;
+                info->name = "STAC92xx Digital";
+                if (spec->multiout.dig_out_nid) {
+                        info->stream[SNDRV_PCM_STREAM_PLAYBACK] = stac92xx_pcm_digital_playback;
+                        info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = spec->multiout.dig_out_nid;
+                }
+                if (spec->dig_in_nid) {
+                        info->stream[SNDRV_PCM_STREAM_CAPTURE] = stac92xx_pcm_digital_capture;
+                        info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = spec->dig_in_nid;
+                }
+        }
+
         return 0;
 }
 
@@ -492,9 +592,12 @@ static int patch_stac9200(struct hda_codec *codec)
         spec->multiout.max_channels = 2;
         spec->multiout.num_dacs = 1;
         spec->multiout.dac_nids = stac9200_dac_nids;
+        spec->multiout.dig_out_nid = 0x05;
+        spec->dig_in_nid = 0x04;
         spec->adc_nids = stac9200_adc_nids;
         spec->mux_nids = stac9200_mux_nids;
-        spec->input_mux = &stac9200_input_mux;
+        spec->num_muxes = 1;
+        spec->input_mux.num_items = 0;
         spec->pstate_nids = stac9200_pstate_nids;
         spec->num_pstates = 3;
         spec->pin_nids = stac9200_pin_nids;
@@ -525,11 +628,14 @@ static int patch_stac922x(struct hda_codec *codec)
         spec->multiout.max_channels = 2;
         spec->multiout.num_dacs = 4;
         spec->multiout.dac_nids = stac922x_dac_nids;
+        spec->multiout.dig_out_nid = 0x08;
+        spec->dig_in_nid = 0x09;
         spec->adc_nids = stac922x_adc_nids;
         spec->mux_nids = stac922x_mux_nids;
-        spec->input_mux = &stac922x_input_mux;
+        spec->num_muxes = 2;
+        spec->input_mux.num_items = 0;
         spec->pstate_nids = stac922x_pstate_nids;
-        spec->num_pstates = 7;
+        spec->num_pstates = 8;
         spec->pin_nids = stac922x_pin_nids;
 #ifdef STAC_TEST
         spec->pin_configs = stac922x_pin_configs;