Logo Search packages:      
Sourcecode: alsa-driver version File versions  Download package

patch_sigmatel.c

/*
 * Universal Interface for Intel High Definition Audio Codec
 *
 * HD audio interface patch for SigmaTel STAC92xx
 *
 * Copyright (c) 2005 Embedded Alley Solutions, Inc.
 * <matt@embeddedalley.com>
 *
 * Based on patch_cmedia.c and patch_realtek.c
 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
 *
 *  This driver is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This driver is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */

#include <sound/driver.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/pci.h>
#include <sound/core.h>
#include <sound/asoundef.h>
#include "hda_codec.h"
#include "hda_local.h"

#undef STAC_TEST

#define NUM_CONTROL_ALLOC     32
#define STAC_HP_EVENT         0x37
#define STAC_UNSOL_ENABLE     (AC_USRSP_EN | STAC_HP_EVENT)

struct sigmatel_spec {
      snd_kcontrol_new_t *mixers[4];
      unsigned int num_mixers;

      unsigned int surr_switch: 1;

      /* playback */
      struct hda_multi_out multiout;
      hda_nid_t dac_nids[4];

      /* capture */
      hda_nid_t *adc_nids;
      unsigned int num_adcs;
      hda_nid_t *mux_nids;
      unsigned int num_muxes;
      hda_nid_t dig_in_nid;

#ifdef STAC_TEST
      /* pin widgets */
      hda_nid_t *pin_nids;
      unsigned int num_pins;
      unsigned int *pin_configs;
#endif

      /* codec specific stuff */
      struct hda_verb *init;
      snd_kcontrol_new_t *mixer;

      /* capture source */
      struct hda_input_mux *input_mux;
      unsigned int cur_mux[2];

      /* channel mode */
      unsigned int num_ch_modes;
      unsigned int cur_ch_mode;

      struct hda_pcm pcm_rec[2];    /* PCM information */

      /* dynamic controls and input_mux */
      struct auto_pin_cfg autocfg;
      unsigned int num_kctl_alloc, num_kctl_used;
      snd_kcontrol_new_t *kctl_alloc;
      struct hda_input_mux private_imux;
};

static hda_nid_t stac9200_adc_nids[1] = {
        0x03,
};

static hda_nid_t stac9200_mux_nids[1] = {
        0x0c,
};

static hda_nid_t stac9200_dac_nids[1] = {
        0x02,
};

static hda_nid_t stac922x_adc_nids[2] = {
        0x06, 0x07,
};

static hda_nid_t stac922x_mux_nids[2] = {
        0x12, 0x13,
};

#ifdef STAC_TEST
static hda_nid_t stac9200_pin_nids[8] = {
      0x08, 0x09, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12,
};

static hda_nid_t stac922x_pin_nids[10] = {
      0x0a, 0x0b, 0x0c, 0x0d, 0x0e,
      0x0f, 0x10, 0x11, 0x15, 0x1b,
};
#endif

static int stac92xx_mux_enum_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
{
      struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
      struct sigmatel_spec *spec = codec->spec;
      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)
{
      struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
      struct sigmatel_spec *spec = codec->spec;
      unsigned int adc_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);

      ucontrol->value.enumerated.item[0] = spec->cur_mux[adc_idx];
      return 0;
}

static int stac92xx_mux_enum_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
      struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
      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,
                             spec->mux_nids[adc_idx], &spec->cur_mux[adc_idx]);
}

static struct hda_verb stac9200_core_init[] = {
      /* set dac0mux for dac converter */
      { 0x07, AC_VERB_SET_CONNECT_SEL, 0x00},
      {}
};

static struct hda_verb stac922x_core_init[] = {
      /* set master volume and direct control */      
      { 0x16, AC_VERB_SET_VOLUME_KNOB_CONTROL, 0xff},
      {}
};

static int stac922x_channel_modes[3] = {2, 6, 8};

static int stac922x_ch_mode_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
{
      struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
      struct sigmatel_spec *spec = codec->spec;

      uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
      uinfo->count = 1;
      uinfo->value.enumerated.items = spec->num_ch_modes;
      if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
            uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
      sprintf(uinfo->value.enumerated.name, "%dch",
            stac922x_channel_modes[uinfo->value.enumerated.item]);
      return 0;
}

static int stac922x_ch_mode_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
      struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
      struct sigmatel_spec *spec = codec->spec;

      ucontrol->value.enumerated.item[0] = spec->cur_ch_mode;
      return 0;
}

static int stac922x_ch_mode_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
      struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
      struct sigmatel_spec *spec = codec->spec;

      if (ucontrol->value.enumerated.item[0] >= spec->num_ch_modes)
            ucontrol->value.enumerated.item[0] = spec->num_ch_modes;
      if (ucontrol->value.enumerated.item[0] == spec->cur_ch_mode &&
          ! codec->in_resume)
            return 0;

      spec->cur_ch_mode = ucontrol->value.enumerated.item[0];
      spec->multiout.max_channels = stac922x_channel_modes[spec->cur_ch_mode];

      return 1;
}

static snd_kcontrol_new_t stac9200_mixer[] = {
      HDA_CODEC_VOLUME("Master Playback Volume", 0xb, 0, HDA_OUTPUT),
      HDA_CODEC_MUTE("Master Playback Switch", 0xb, 0, HDA_OUTPUT),
      {
            .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
            .name = "Input Source",
            .count = 1,
            .info = stac92xx_mux_enum_info,
            .get = stac92xx_mux_enum_get,
            .put = stac92xx_mux_enum_put,
      },
      HDA_CODEC_VOLUME("Capture Volume", 0x0a, 0, HDA_OUTPUT),
      HDA_CODEC_MUTE("Capture Switch", 0x0a, 0, HDA_OUTPUT),
      HDA_CODEC_VOLUME("Capture Mux Volume", 0x0c, 0, HDA_OUTPUT),
      { } /* end */
};

/* This needs to be generated dynamically based on sequence */
static snd_kcontrol_new_t stac922x_mixer[] = {
      {
            .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
            .name = "Input Source",
            .count = 1,
            .info = stac92xx_mux_enum_info,
            .get = stac92xx_mux_enum_get,
            .put = stac92xx_mux_enum_put,
      },
      HDA_CODEC_VOLUME("Capture Volume", 0x17, 0x0, HDA_INPUT),
      HDA_CODEC_MUTE("Capture Switch", 0x17, 0x0, HDA_INPUT),
      HDA_CODEC_VOLUME("Mux Capture Volume", 0x12, 0x0, HDA_OUTPUT),
      { } /* end */
};

static snd_kcontrol_new_t stac922x_ch_mode_mixer[] = {
      {
            .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
            .name = "Channel Mode",
            .info = stac922x_ch_mode_info,
            .get = stac922x_ch_mode_get,
            .put = stac922x_ch_mode_put,
      },
      { } /* end */
};

static int stac92xx_build_controls(struct hda_codec *codec)
{
      struct sigmatel_spec *spec = codec->spec;
      int err;
      int i;

      err = snd_hda_add_new_ctls(codec, spec->mixer);
      if (err < 0)
            return err;

      for (i = 0; i < spec->num_mixers; i++) {
            err = snd_hda_add_new_ctls(codec, spec->mixers[i]);
            if (err < 0)
                  return err;
      }

      if (spec->surr_switch) {
            err = snd_hda_add_new_ctls(codec, stac922x_ch_mode_mixer);
            if (err < 0)
                  return err;
      }
      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] = {
      0x01c47010, 0x01447010, 0x0221401f, 0x01114010,
      0x02a19020, 0x01a19021, 0x90100140, 0x01813122,
};

static unsigned int stac922x_pin_configs[10] = {
      0x01014010, 0x01014011, 0x01014012, 0x0221401f,
      0x01813122, 0x01014014, 0x01441030, 0x01c41030,
      0x40000100, 0x40000100,
};

static void stac92xx_set_config_regs(struct hda_codec *codec)
{
      int i;
      struct sigmatel_spec *spec = codec->spec;
      unsigned int pin_cfg;

      for (i=0; i < spec->num_pins; i++) {
            snd_hda_codec_write(codec, spec->pin_nids[i], 0,
                            AC_VERB_SET_CONFIG_DEFAULT_BYTES_0,
                            spec->pin_configs[i] & 0x000000ff);
            snd_hda_codec_write(codec, spec->pin_nids[i], 0,
                            AC_VERB_SET_CONFIG_DEFAULT_BYTES_1,
                            (spec->pin_configs[i] & 0x0000ff00) >> 8);
            snd_hda_codec_write(codec, spec->pin_nids[i], 0,
                            AC_VERB_SET_CONFIG_DEFAULT_BYTES_2,
                            (spec->pin_configs[i] & 0x00ff0000) >> 16);
            snd_hda_codec_write(codec, spec->pin_nids[i], 0,
                            AC_VERB_SET_CONFIG_DEFAULT_BYTES_3,
                            spec->pin_configs[i] >> 24);
            pin_cfg = snd_hda_codec_read(codec, spec->pin_nids[i], 0,
                                   AC_VERB_GET_CONFIG_DEFAULT,
                                   0x00); 
            printk("pin nid %2.2x pin config %8.8x\n", spec->pin_nids[i], pin_cfg);
      }
}
#endif

/*
 * Analog playback callbacks
 */
static int stac92xx_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_analog_open(codec, &spec->multiout, substream);
}

/*
 * set up the i/o for analog out
 * when the digital out is available, copy the front out to digital out, too.
 */
static int stac92xx_multi_out_analog_prepare(struct hda_codec *codec, struct hda_multi_out *mout,
                             unsigned int stream_tag,
                             unsigned int format,
                             snd_pcm_substream_t *substream)
{
      hda_nid_t *nids = mout->dac_nids;
      int chs = substream->runtime->channels;
      int i;

      down(&codec->spdif_mutex);
      if (mout->dig_out_nid && mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
            if (chs == 2 &&
                snd_hda_is_supported_format(codec, mout->dig_out_nid, format) &&
                ! (codec->spdif_status & IEC958_AES0_NONAUDIO)) {
                  mout->dig_out_used = HDA_DIG_ANALOG_DUP;
                  /* setup digital receiver */
                  snd_hda_codec_setup_stream(codec, mout->dig_out_nid,
                                       stream_tag, 0, format);
            } else {
                  mout->dig_out_used = 0;
                  snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);
            }
      }
      up(&codec->spdif_mutex);

      /* front */
      snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag, 0, format);
      if (mout->hp_nid)
            /* headphone out will just decode front left/right (stereo) */
            snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag, 0, format);
      /* surrounds */
      if (mout->max_channels > 2)
            for (i = 1; i < mout->num_dacs; i++) {
                  if ((mout->max_channels == 6) && (i == 3))
                        break;
                  if (chs >= (i + 1) * 2) /* independent out */
                        snd_hda_codec_setup_stream(codec, nids[i], stream_tag, i * 2,
                                    format);
                  else /* copy front */
                        snd_hda_codec_setup_stream(codec, nids[i], stream_tag, 0,
                                    format);
            }
      return 0;
}


static int stac92xx_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
                               struct hda_codec *codec,
                               unsigned int stream_tag,
                               unsigned int format,
                               snd_pcm_substream_t *substream)
{
      struct sigmatel_spec *spec = codec->spec;
      return stac92xx_multi_out_analog_prepare(codec, &spec->multiout, stream_tag,
                                    format, substream);
}

static int stac92xx_playback_pcm_cleanup(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_analog_cleanup(codec, &spec->multiout);
}

/*
 * 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,
                              struct hda_codec *codec,
                              unsigned int stream_tag,
                              unsigned int format,
                              snd_pcm_substream_t *substream)
{
      struct sigmatel_spec *spec = codec->spec;

      snd_hda_codec_setup_stream(codec, spec->adc_nids[substream->number],
                                   stream_tag, 0, format);
      return 0;
}

static int stac92xx_capture_pcm_cleanup(struct hda_pcm_stream *hinfo,
                              struct hda_codec *codec,
                              snd_pcm_substream_t *substream)
{
      struct sigmatel_spec *spec = codec->spec;

      snd_hda_codec_setup_stream(codec, spec->adc_nids[substream->number], 0, 0, 0);
      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,
      .channels_max = 8,
      .nid = 0x02, /* NID to query formats and rates */
      .ops = {
            .open = stac92xx_playback_pcm_open,
            .prepare = stac92xx_playback_pcm_prepare,
            .cleanup = stac92xx_playback_pcm_cleanup
      },
};

static struct hda_pcm_stream stac92xx_pcm_analog_capture = {
      .substreams = 2,
      .channels_min = 2,
      .channels_max = 2,
      .nid = 0x06, /* NID to query formats and rates */
      .ops = {
            .prepare = stac92xx_capture_pcm_prepare,
            .cleanup = stac92xx_capture_pcm_cleanup
      },
};

static int stac92xx_build_pcms(struct hda_codec *codec)
{
      struct sigmatel_spec *spec = codec->spec;
      struct hda_pcm *info = spec->pcm_rec;

      codec->num_pcms = 1;
      codec->pcm_info = info;

      info->name = "STAC92xx Analog";
      info->stream[SNDRV_PCM_STREAM_PLAYBACK] = stac92xx_pcm_analog_playback;
      info->stream[SNDRV_PCM_STREAM_CAPTURE] = stac92xx_pcm_analog_capture;

      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;
}

enum {
      STAC_CTL_WIDGET_VOL,
      STAC_CTL_WIDGET_MUTE,
};

static snd_kcontrol_new_t stac92xx_control_templates[] = {
      HDA_CODEC_VOLUME(NULL, 0, 0, 0),
      HDA_CODEC_MUTE(NULL, 0, 0, 0),
};

/* add dynamic controls */
static int stac92xx_add_control(struct sigmatel_spec *spec, int type, const char *name, unsigned long val)
{
      snd_kcontrol_new_t *knew;

      if (spec->num_kctl_used >= spec->num_kctl_alloc) {
            int num = spec->num_kctl_alloc + NUM_CONTROL_ALLOC;

            knew = kcalloc(num + 1, sizeof(*knew), GFP_KERNEL); /* array + terminator */
            if (! knew)
                  return -ENOMEM;
            if (spec->kctl_alloc) {
                  memcpy(knew, spec->kctl_alloc, sizeof(*knew) * spec->num_kctl_alloc);
                  kfree(spec->kctl_alloc);
            }
            spec->kctl_alloc = knew;
            spec->num_kctl_alloc = num;
      }

      knew = &spec->kctl_alloc[spec->num_kctl_used];
      *knew = stac92xx_control_templates[type];
      knew->name = kstrdup(name, GFP_KERNEL);
      if (! knew->name)
            return -ENOMEM;
      knew->private_value = val;
      spec->num_kctl_used++;
      return 0;
}

/* fill in the dac_nids table from the parsed pin configuration */
static int stac92xx_auto_fill_dac_nids(struct hda_codec *codec, const struct auto_pin_cfg *cfg)
{
      struct sigmatel_spec *spec = codec->spec;
      hda_nid_t nid;
      int i;

      /* check the pins hardwired to audio widget */
      for (i = 0; i < cfg->line_outs; i++) {
            nid = cfg->line_out_pins[i];
            spec->multiout.dac_nids[i] = snd_hda_codec_read(codec, nid, 0,
                              AC_VERB_GET_CONNECT_LIST, 0) & 0xff;
      }

      spec->multiout.num_dacs = cfg->line_outs;

      return 0;
}

/* add playback controls from the parsed DAC table */
static int stac92xx_auto_create_multi_out_ctls(struct sigmatel_spec *spec, const struct auto_pin_cfg *cfg)
{
      char name[32];
      static const char *chname[4] = { "Front", "Surround", NULL /*CLFE*/, "Side" };
      hda_nid_t nid;
      int i, err;

      for (i = 0; i < cfg->line_outs; i++) {
            if (! spec->multiout.dac_nids[i])
                  continue;

            nid = spec->multiout.dac_nids[i];

            if (i == 2) {
                  /* Center/LFE */
                  if ((err = stac92xx_add_control(spec, STAC_CTL_WIDGET_VOL, "Center Playback Volume",
                                     HDA_COMPOSE_AMP_VAL(nid, 1, 0, HDA_OUTPUT))) < 0)
                        return err;
                  if ((err = stac92xx_add_control(spec, STAC_CTL_WIDGET_VOL, "LFE Playback Volume",
                                     HDA_COMPOSE_AMP_VAL(nid, 2, 0, HDA_OUTPUT))) < 0)
                        return err;
                  if ((err = stac92xx_add_control(spec, STAC_CTL_WIDGET_MUTE, "Center Playback Switch",
                                     HDA_COMPOSE_AMP_VAL(nid, 1, 0, HDA_OUTPUT))) < 0)
                        return err;
                  if ((err = stac92xx_add_control(spec, STAC_CTL_WIDGET_MUTE, "LFE Playback Switch",
                                     HDA_COMPOSE_AMP_VAL(nid, 2, 0, HDA_OUTPUT))) < 0)
                        return err;
            } else {
                  sprintf(name, "%s Playback Volume", chname[i]);
                  if ((err = stac92xx_add_control(spec, STAC_CTL_WIDGET_VOL, name,
                                     HDA_COMPOSE_AMP_VAL(nid, 3, 0, HDA_OUTPUT))) < 0)
                        return err;
                  sprintf(name, "%s Playback Switch", chname[i]);
                  if ((err = stac92xx_add_control(spec, STAC_CTL_WIDGET_MUTE, name,
                                     HDA_COMPOSE_AMP_VAL(nid, 3, 0, HDA_OUTPUT))) < 0)
                        return err;
            }
      }

      return 0;
}

/* add playback controls for HP output */
static int stac92xx_auto_create_hp_ctls(struct hda_codec *codec, struct auto_pin_cfg *cfg)
{
      struct sigmatel_spec *spec = codec->spec;
      hda_nid_t pin = cfg->hp_pin;
      hda_nid_t nid;
      int i, err;
      unsigned int wid_caps;

      if (! pin)
            return 0;

      wid_caps = snd_hda_param_read(codec, pin, AC_PAR_AUDIO_WIDGET_CAP);
      if (wid_caps & AC_WCAP_UNSOL_CAP)
            /* Enable unsolicited responses on the HP widget */
            snd_hda_codec_write(codec, pin, 0,
                        AC_VERB_SET_UNSOLICITED_ENABLE,
                        STAC_UNSOL_ENABLE);

      nid = snd_hda_codec_read(codec, pin, 0, AC_VERB_GET_CONNECT_LIST, 0) & 0xff;
      for (i = 0; i < cfg->line_outs; i++) {
            if (! spec->multiout.dac_nids[i])
                  continue;
            if (spec->multiout.dac_nids[i] == nid)
                  return 0;
      }

      spec->multiout.hp_nid = nid;

      /* control HP volume/switch on the output mixer amp */
      if ((err = stac92xx_add_control(spec, STAC_CTL_WIDGET_VOL, "Headphone Playback Volume",
                              HDA_COMPOSE_AMP_VAL(nid, 3, 0, HDA_OUTPUT))) < 0)
            return err;
      if ((err = stac92xx_add_control(spec, STAC_CTL_WIDGET_MUTE, "Headphone Playback Switch",
                              HDA_COMPOSE_AMP_VAL(nid, 3, 0, HDA_OUTPUT))) < 0)
            return err;

      return 0;
}

/* create playback/capture controls for input pins */
static int stac92xx_auto_create_analog_input_ctls(struct hda_codec *codec, const struct auto_pin_cfg *cfg)
{
      struct sigmatel_spec *spec = codec->spec;
      static char *labels[AUTO_PIN_LAST] = {
            "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
      };
      struct hda_input_mux *imux = &spec->private_imux;
      hda_nid_t con_lst[HDA_MAX_NUM_INPUTS];
      int i, j, k;

      for (i = 0; i < AUTO_PIN_LAST; i++) {
            int index = -1;
            if (cfg->input_pins[i]) {
                  imux->items[imux->num_items].label = labels[i];

                  for (j=0; j<spec->num_muxes; j++) {
                        int num_cons = snd_hda_get_connections(codec, spec->mux_nids[j], con_lst, HDA_MAX_NUM_INPUTS);
                        for (k=0; k<num_cons; k++)
                              if (con_lst[k] == cfg->input_pins[i]) {
                                    index = k;
                                    break;
                              }
                        if (index >= 0)
                              break;
                  }
                  imux->items[imux->num_items].index = index;
                  imux->num_items++;
            }
      }

      return 0;
}

static void stac92xx_auto_set_pinctl(struct hda_codec *codec, hda_nid_t nid, int pin_type)

{
      snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_PIN_WIDGET_CONTROL, pin_type);
}

static void stac92xx_auto_init_multi_out(struct hda_codec *codec)
{
      struct sigmatel_spec *spec = codec->spec;
      int i;

      for (i = 0; i < spec->autocfg.line_outs; i++) {
            hda_nid_t nid = spec->autocfg.line_out_pins[i];
            stac92xx_auto_set_pinctl(codec, nid, AC_PINCTL_OUT_EN);
      }
}

static void stac92xx_auto_init_hp_out(struct hda_codec *codec)
{
      struct sigmatel_spec *spec = codec->spec;
      hda_nid_t pin;

      pin = spec->autocfg.hp_pin;
      if (pin) /* connect to front */
            stac92xx_auto_set_pinctl(codec, pin, AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN);
}

static int stac922x_parse_auto_config(struct hda_codec *codec)
{
      struct sigmatel_spec *spec = codec->spec;
      int err;

      if ((err = snd_hda_parse_pin_def_config(codec, &spec->autocfg)) < 0)
            return err;
      if ((err = stac92xx_auto_fill_dac_nids(codec, &spec->autocfg)) < 0)
            return err;
      if (! spec->autocfg.line_outs && ! spec->autocfg.hp_pin)
            return 0; /* can't find valid pin config */

      if ((err = stac92xx_auto_create_multi_out_ctls(spec, &spec->autocfg)) < 0 ||
          (err = stac92xx_auto_create_hp_ctls(codec, &spec->autocfg)) < 0 ||
          (err = stac92xx_auto_create_analog_input_ctls(codec, &spec->autocfg)) < 0)
            return err;

      spec->multiout.max_channels = spec->multiout.num_dacs * 2;
      if (spec->multiout.max_channels > 2) {
            spec->surr_switch = 1;
            spec->cur_ch_mode = 1;
            spec->num_ch_modes = 2;
            if (spec->multiout.max_channels == 8) {
                  spec->cur_ch_mode++;
                  spec->num_ch_modes++;
            }
      }

      if (spec->autocfg.dig_out_pin) {
            spec->multiout.dig_out_nid = 0x08;
            stac92xx_auto_set_pinctl(codec, spec->autocfg.dig_out_pin, AC_PINCTL_OUT_EN);
      }
      if (spec->autocfg.dig_in_pin) {
            spec->dig_in_nid = 0x09;
            stac92xx_auto_set_pinctl(codec, spec->autocfg.dig_in_pin, AC_PINCTL_IN_EN);
      }

      if (spec->kctl_alloc)
            spec->mixers[spec->num_mixers++] = spec->kctl_alloc;

      spec->input_mux = &spec->private_imux;

      return 1;
}

static int stac9200_parse_auto_config(struct hda_codec *codec)
{
      struct sigmatel_spec *spec = codec->spec;
      int err;

      if ((err = snd_hda_parse_pin_def_config(codec, &spec->autocfg)) < 0)
            return err;

      if ((err = stac92xx_auto_create_analog_input_ctls(codec, &spec->autocfg)) < 0)
            return err;

      if (spec->autocfg.dig_out_pin) {
            spec->multiout.dig_out_nid = 0x05;
            stac92xx_auto_set_pinctl(codec, spec->autocfg.dig_out_pin, AC_PINCTL_OUT_EN);
      }
      if (spec->autocfg.dig_in_pin) {
            spec->dig_in_nid = 0x04;
            stac92xx_auto_set_pinctl(codec, spec->autocfg.dig_in_pin, AC_PINCTL_IN_EN);
      }

      if (spec->kctl_alloc)
            spec->mixers[spec->num_mixers++] = spec->kctl_alloc;

      spec->input_mux = &spec->private_imux;

      return 1;
}

static int stac92xx_init_pstate(struct hda_codec *codec)
{
       hda_nid_t nid, nid_start;
       int nodes;

      snd_hda_codec_write(codec, 0x01, 0, AC_VERB_SET_POWER_STATE, 0x00);

       nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid_start);
       for (nid = nid_start; nid < nodes + nid_start; nid++) {
               unsigned int wid_caps = snd_hda_param_read(codec, nid,
                                                  AC_PAR_AUDIO_WIDGET_CAP);
            if (wid_caps & AC_WCAP_POWER)
                  snd_hda_codec_write(codec, nid, 0,
                                    AC_VERB_SET_POWER_STATE, 0x00);
      }

      mdelay(100);

      return 0;
}

static int stac92xx_init(struct hda_codec *codec)
{
      struct sigmatel_spec *spec = codec->spec;

      stac92xx_init_pstate(codec);

      snd_hda_sequence_write(codec, spec->init);

      stac92xx_auto_init_multi_out(codec);
      stac92xx_auto_init_hp_out(codec);

      return 0;
}

static void stac92xx_free(struct hda_codec *codec)
{
      struct sigmatel_spec *spec = codec->spec;
      int i;

      if (! spec)
            return;

      if (spec->kctl_alloc) {
            for (i = 0; i < spec->num_kctl_used; i++)
                  kfree(spec->kctl_alloc[i].name);
            kfree(spec->kctl_alloc);
      }

      kfree(spec);
}

static void stac92xx_set_pinctl(struct hda_codec *codec, hda_nid_t nid,
                        unsigned int flag)
{
      unsigned int pin_ctl = snd_hda_codec_read(codec, nid,
                  0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0x00);
      snd_hda_codec_write(codec, nid, 0,
                  AC_VERB_SET_PIN_WIDGET_CONTROL,
                  pin_ctl | flag);
}

static void stac92xx_reset_pinctl(struct hda_codec *codec, hda_nid_t nid,
                          unsigned int flag)
{
      unsigned int pin_ctl = snd_hda_codec_read(codec, nid,
                  0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0x00);
      snd_hda_codec_write(codec, nid, 0,
                  AC_VERB_SET_PIN_WIDGET_CONTROL,
                  pin_ctl & ~flag);
}

static void stac92xx_unsol_event(struct hda_codec *codec, unsigned int res)
{
      struct sigmatel_spec *spec = codec->spec;
      struct auto_pin_cfg *cfg = &spec->autocfg;
      int i, presence;

      if ((res >> 26) != STAC_HP_EVENT)
            return;

      presence = snd_hda_codec_read(codec, cfg->hp_pin, 0,
                  AC_VERB_GET_PIN_SENSE, 0x00) >> 31;

      if (presence) {
            /* disable lineouts, enable hp */
            for (i = 0; i < cfg->line_outs; i++)
                  stac92xx_reset_pinctl(codec, cfg->line_out_pins[i],
                                    AC_PINCTL_OUT_EN);
            stac92xx_set_pinctl(codec, cfg->hp_pin, AC_PINCTL_OUT_EN);
      } else {
            /* enable lineouts, disable hp */
            for (i = 0; i < cfg->line_outs; i++)
                  stac92xx_set_pinctl(codec, cfg->line_out_pins[i],
                                    AC_PINCTL_OUT_EN);
            stac92xx_reset_pinctl(codec, cfg->hp_pin, AC_PINCTL_OUT_EN);
      }
} 

#ifdef CONFIG_PM
static int stac92xx_resume(struct hda_codec *codec)
{
      struct sigmatel_spec *spec = codec->spec;
      int i;

      stac92xx_init(codec);
      for (i = 0; i < spec->num_mixers; i++)
            snd_hda_resume_ctls(codec, spec->mixers[i]);
      if (spec->multiout.dig_out_nid)
            snd_hda_resume_spdif_out(codec);
      if (spec->dig_in_nid)
            snd_hda_resume_spdif_in(codec);

      return 0;
}
#endif

static struct hda_codec_ops stac92xx_patch_ops = {
      .build_controls = stac92xx_build_controls,
      .build_pcms = stac92xx_build_pcms,
      .init = stac92xx_init,
      .free = stac92xx_free,
      .unsol_event = stac92xx_unsol_event,
#ifdef CONFIG_PM
      .resume = stac92xx_resume,
#endif
};

static int patch_stac9200(struct hda_codec *codec)
{
      struct sigmatel_spec *spec;
      int err;

      spec  = kzalloc(sizeof(*spec), GFP_KERNEL);
      if (spec == NULL)
            return -ENOMEM;

      codec->spec = spec;

#ifdef STAC_TEST
      spec->pin_nids = stac9200_pin_nids;
      spec->num_pins = 8;
      spec->pin_configs = stac9200_pin_configs;
      stac92xx_set_config_regs(codec);
#endif
      spec->multiout.max_channels = 2;
      spec->multiout.num_dacs = 1;
      spec->multiout.dac_nids = stac9200_dac_nids;
      spec->adc_nids = stac9200_adc_nids;
      spec->mux_nids = stac9200_mux_nids;
      spec->num_muxes = 1;

      spec->init = stac9200_core_init;
      spec->mixer = stac9200_mixer;

      err = stac9200_parse_auto_config(codec);
      if (err < 0) {
            stac92xx_free(codec);
            return err;
      }

      codec->patch_ops = stac92xx_patch_ops;

      return 0;
}

static int patch_stac922x(struct hda_codec *codec)
{
      struct sigmatel_spec *spec;
      int err;

      spec  = kzalloc(sizeof(*spec), GFP_KERNEL);
      if (spec == NULL)
            return -ENOMEM;

      codec->spec = spec;

#ifdef STAC_TEST
      spec->num_pins = 10;
      spec->pin_nids = stac922x_pin_nids;
      spec->pin_configs = stac922x_pin_configs;
      stac92xx_set_config_regs(codec);
#endif
      spec->adc_nids = stac922x_adc_nids;
      spec->mux_nids = stac922x_mux_nids;
      spec->num_muxes = 2;

      spec->init = stac922x_core_init;
      spec->mixer = stac922x_mixer;

      spec->multiout.dac_nids = spec->dac_nids;

      err = stac922x_parse_auto_config(codec);
      if (err < 0) {
            stac92xx_free(codec);
            return err;
      }

      codec->patch_ops = stac92xx_patch_ops;

      return 0;
}

/*
 * patch entries
 */
struct hda_codec_preset snd_hda_preset_sigmatel[] = {
      { .id = 0x83847690, .name = "STAC9200", .patch = patch_stac9200 },
      { .id = 0x83847882, .name = "STAC9220 A1", .patch = patch_stac922x },
      { .id = 0x83847680, .name = "STAC9221 A1", .patch = patch_stac922x },
      { .id = 0x83847880, .name = "STAC9220 A2", .patch = patch_stac922x },
      { .id = 0x83847681, .name = "STAC9220D/9223D A2", .patch = patch_stac922x },
      { .id = 0x83847682, .name = "STAC9221 A2", .patch = patch_stac922x },
      { .id = 0x83847683, .name = "STAC9221D A2", .patch = patch_stac922x },
      {} /* terminator */
};

Generated by  Doxygen 1.6.0   Back to index