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patch_ca0110.c

/*
 * HD audio interface patch for Creative X-Fi CA0110-IBG chip
 *
 * Copyright (c) 2008 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 <linux/init.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/pci.h>
#include <sound/core.h>
#include "hda_codec.h"
#include "hda_local.h"

/*
 */

struct ca0110_spec {
      struct auto_pin_cfg autocfg;
      struct hda_multi_out multiout;
      hda_nid_t out_pins[AUTO_CFG_MAX_OUTS];
      hda_nid_t dacs[AUTO_CFG_MAX_OUTS];
      hda_nid_t hp_dac;
      hda_nid_t input_pins[AUTO_PIN_LAST];
      hda_nid_t adcs[AUTO_PIN_LAST];
      hda_nid_t dig_out;
      hda_nid_t dig_in;
      unsigned int num_inputs;
      const char *input_labels[AUTO_PIN_LAST];
      struct hda_pcm pcm_rec[2];    /* PCM information */
};

/*
 * PCM callbacks
 */
static int ca0110_playback_pcm_open(struct hda_pcm_stream *hinfo,
                            struct hda_codec *codec,
                            struct snd_pcm_substream *substream)
{
      struct ca0110_spec *spec = codec->spec;
      return snd_hda_multi_out_analog_open(codec, &spec->multiout, substream,
                                   hinfo);
}

static int ca0110_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
                               struct hda_codec *codec,
                               unsigned int stream_tag,
                               unsigned int format,
                               struct snd_pcm_substream *substream)
{
      struct ca0110_spec *spec = codec->spec;
      return snd_hda_multi_out_analog_prepare(codec, &spec->multiout,
                                    stream_tag, format, substream);
}

static int ca0110_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
                               struct hda_codec *codec,
                               struct snd_pcm_substream *substream)
{
      struct ca0110_spec *spec = codec->spec;
      return snd_hda_multi_out_analog_cleanup(codec, &spec->multiout);
}

/*
 * Digital out
 */
static int ca0110_dig_playback_pcm_open(struct hda_pcm_stream *hinfo,
                              struct hda_codec *codec,
                              struct snd_pcm_substream *substream)
{
      struct ca0110_spec *spec = codec->spec;
      return snd_hda_multi_out_dig_open(codec, &spec->multiout);
}

static int ca0110_dig_playback_pcm_close(struct hda_pcm_stream *hinfo,
                               struct hda_codec *codec,
                               struct snd_pcm_substream *substream)
{
      struct ca0110_spec *spec = codec->spec;
      return snd_hda_multi_out_dig_close(codec, &spec->multiout);
}

static int ca0110_dig_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
                                 struct hda_codec *codec,
                                 unsigned int stream_tag,
                                 unsigned int format,
                                 struct snd_pcm_substream *substream)
{
      struct ca0110_spec *spec = codec->spec;
      return snd_hda_multi_out_dig_prepare(codec, &spec->multiout, stream_tag,
                                   format, substream);
}

/*
 * Analog capture
 */
static int ca0110_capture_pcm_prepare(struct hda_pcm_stream *hinfo,
                              struct hda_codec *codec,
                              unsigned int stream_tag,
                              unsigned int format,
                              struct snd_pcm_substream *substream)
{
      struct ca0110_spec *spec = codec->spec;

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

static int ca0110_capture_pcm_cleanup(struct hda_pcm_stream *hinfo,
                              struct hda_codec *codec,
                              struct snd_pcm_substream *substream)
{
      struct ca0110_spec *spec = codec->spec;

      snd_hda_codec_cleanup_stream(codec, spec->adcs[substream->number]);
      return 0;
}

/*
 */

static char *dirstr[2] = { "Playback", "Capture" };

static int _add_switch(struct hda_codec *codec, hda_nid_t nid, const char *pfx,
                   int chan, int dir)
{
      char namestr[44];
      int type = dir ? HDA_INPUT : HDA_OUTPUT;
      struct snd_kcontrol_new knew =
            HDA_CODEC_MUTE_MONO(namestr, nid, chan, 0, type);
      sprintf(namestr, "%s %s Switch", pfx, dirstr[dir]);
      return snd_hda_ctl_add(codec, snd_ctl_new1(&knew, codec));
}

static int _add_volume(struct hda_codec *codec, hda_nid_t nid, const char *pfx,
                   int chan, int dir)
{
      char namestr[44];
      int type = dir ? HDA_INPUT : HDA_OUTPUT;
      struct snd_kcontrol_new knew =
            HDA_CODEC_VOLUME_MONO(namestr, nid, chan, 0, type);
      sprintf(namestr, "%s %s Volume", pfx, dirstr[dir]);
      return snd_hda_ctl_add(codec, snd_ctl_new1(&knew, codec));
}

#define add_out_switch(codec, nid, pfx)   _add_switch(codec, nid, pfx, 3, 0)
#define add_out_volume(codec, nid, pfx)   _add_volume(codec, nid, pfx, 3, 0)
#define add_in_switch(codec, nid, pfx)    _add_switch(codec, nid, pfx, 3, 1)
#define add_in_volume(codec, nid, pfx)    _add_volume(codec, nid, pfx, 3, 1)
#define add_mono_switch(codec, nid, pfx, chan) \
      _add_switch(codec, nid, pfx, chan, 0)
#define add_mono_volume(codec, nid, pfx, chan) \
      _add_volume(codec, nid, pfx, chan, 0)

static int ca0110_build_controls(struct hda_codec *codec)
{
      struct ca0110_spec *spec = codec->spec;
      struct auto_pin_cfg *cfg = &spec->autocfg;
      static char *prefix[AUTO_CFG_MAX_OUTS] = {
            "Front", "Surround", NULL, "Side", "Multi"
      };
      hda_nid_t mutenid;
      int i, err;

      for (i = 0; i < spec->multiout.num_dacs; i++) {
            if (get_wcaps(codec, spec->out_pins[i]) & AC_WCAP_OUT_AMP)
                  mutenid = spec->out_pins[i];
            else
                  mutenid = spec->multiout.dac_nids[i];
            if (!prefix[i]) {
                  err = add_mono_switch(codec, mutenid,
                                    "Center", 1);
                  if (err < 0)
                        return err;
                  err = add_mono_switch(codec, mutenid,
                                    "LFE", 1);
                  if (err < 0)
                        return err;
                  err = add_mono_volume(codec, spec->multiout.dac_nids[i],
                                    "Center", 1);
                  if (err < 0)
                        return err;
                  err = add_mono_volume(codec, spec->multiout.dac_nids[i],
                                    "LFE", 1);
                  if (err < 0)
                        return err;
            } else {
                  err = add_out_switch(codec, mutenid,
                                   prefix[i]);
                  if (err < 0)
                        return err;
                  err = add_out_volume(codec, spec->multiout.dac_nids[i],
                               prefix[i]);
                  if (err < 0)
                        return err;
            }
      }
      if (cfg->hp_outs) {
            if (get_wcaps(codec, cfg->hp_pins[0]) & AC_WCAP_OUT_AMP)
                  mutenid = cfg->hp_pins[0];
            else
                  mutenid = spec->multiout.dac_nids[i];

            err = add_out_switch(codec, mutenid, "Headphone");
            if (err < 0)
                  return err;
            if (spec->hp_dac) {
                  err = add_out_volume(codec, spec->hp_dac, "Headphone");
                  if (err < 0)
                        return err;
            }
      }
      for (i = 0; i < spec->num_inputs; i++) {
            const char *label = spec->input_labels[i];
            if (get_wcaps(codec, spec->input_pins[i]) & AC_WCAP_IN_AMP)
                  mutenid = spec->input_pins[i];
            else
                  mutenid = spec->adcs[i];
            err = add_in_switch(codec, mutenid, label);
            if (err < 0)
                  return err;
            err = add_in_volume(codec, spec->adcs[i], label);
            if (err < 0)
                  return err;
      }

      if (spec->dig_out) {
            err = snd_hda_create_spdif_out_ctls(codec, spec->dig_out);
            if (err < 0)
                  return err;
            err = snd_hda_create_spdif_share_sw(codec, &spec->multiout);
            if (err < 0)
                  return err;
            spec->multiout.share_spdif = 1;
      }
      if (spec->dig_in) {
            err = snd_hda_create_spdif_in_ctls(codec, spec->dig_in);
            if (err < 0)
                  return err;
            err = add_in_volume(codec, spec->dig_in, "IEC958");
      }
      return 0;
}

/*
 */
static struct hda_pcm_stream ca0110_pcm_analog_playback = {
      .substreams = 1,
      .channels_min = 2,
      .channels_max = 8,
      .ops = {
            .open = ca0110_playback_pcm_open,
            .prepare = ca0110_playback_pcm_prepare,
            .cleanup = ca0110_playback_pcm_cleanup
      },
};

static struct hda_pcm_stream ca0110_pcm_analog_capture = {
      .substreams = 1,
      .channels_min = 2,
      .channels_max = 2,
      .ops = {
            .prepare = ca0110_capture_pcm_prepare,
            .cleanup = ca0110_capture_pcm_cleanup
      },
};

static struct hda_pcm_stream ca0110_pcm_digital_playback = {
      .substreams = 1,
      .channels_min = 2,
      .channels_max = 2,
      .ops = {
            .open = ca0110_dig_playback_pcm_open,
            .close = ca0110_dig_playback_pcm_close,
            .prepare = ca0110_dig_playback_pcm_prepare
      },
};

static struct hda_pcm_stream ca0110_pcm_digital_capture = {
      .substreams = 1,
      .channels_min = 2,
      .channels_max = 2,
};

static int ca0110_build_pcms(struct hda_codec *codec)
{
      struct ca0110_spec *spec = codec->spec;
      struct hda_pcm *info = spec->pcm_rec;

      codec->pcm_info = info;
      codec->num_pcms = 0;

      info->name = "CA0110 Analog";
      info->stream[SNDRV_PCM_STREAM_PLAYBACK] = ca0110_pcm_analog_playback;
      info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = spec->dacs[0];
      info->stream[SNDRV_PCM_STREAM_PLAYBACK].channels_max =
            spec->multiout.max_channels;
      info->stream[SNDRV_PCM_STREAM_CAPTURE] = ca0110_pcm_analog_capture;
      info->stream[SNDRV_PCM_STREAM_CAPTURE].substreams = spec->num_inputs;
      info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = spec->adcs[0];
      codec->num_pcms++;

      if (!spec->dig_out && !spec->dig_in)
            return 0;

      info++;
      info->name = "CA0110 Digital";
      info->pcm_type = HDA_PCM_TYPE_SPDIF;
      if (spec->dig_out) {
            info->stream[SNDRV_PCM_STREAM_PLAYBACK] =
                  ca0110_pcm_digital_playback;
            info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = spec->dig_out;
      }
      if (spec->dig_in) {
            info->stream[SNDRV_PCM_STREAM_CAPTURE] =
                  ca0110_pcm_digital_capture;
            info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = spec->dig_in;
      }
      codec->num_pcms++;

      return 0;
}

static void init_output(struct hda_codec *codec, hda_nid_t pin, hda_nid_t dac)
{
      if (pin) {
            snd_hda_codec_write(codec, pin, 0,
                            AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_HP);
            if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP)
                  snd_hda_codec_write(codec, pin, 0,
                                  AC_VERB_SET_AMP_GAIN_MUTE,
                                  AMP_OUT_UNMUTE);
      }
      if (dac)
            snd_hda_codec_write(codec, dac, 0,
                            AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_ZERO);
}

static void init_input(struct hda_codec *codec, hda_nid_t pin, hda_nid_t adc)
{
      if (pin) {
            snd_hda_codec_write(codec, pin, 0,
                            AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF80);
            if (get_wcaps(codec, pin) & AC_WCAP_IN_AMP)
                  snd_hda_codec_write(codec, pin, 0,
                                  AC_VERB_SET_AMP_GAIN_MUTE,
                                  AMP_IN_UNMUTE(0));
      }
      if (adc)
            snd_hda_codec_write(codec, adc, 0, AC_VERB_SET_AMP_GAIN_MUTE,
                            AMP_IN_UNMUTE(0));
}

static int ca0110_init(struct hda_codec *codec)
{
      struct ca0110_spec *spec = codec->spec;
      struct auto_pin_cfg *cfg = &spec->autocfg;
      int i;

      for (i = 0; i < spec->multiout.num_dacs; i++)
            init_output(codec, spec->out_pins[i],
                      spec->multiout.dac_nids[i]);
      init_output(codec, cfg->hp_pins[0], spec->hp_dac);
      init_output(codec, cfg->dig_out_pins[0], spec->dig_out);

      for (i = 0; i < spec->num_inputs; i++)
            init_input(codec, spec->input_pins[i], spec->adcs[i]);
      init_input(codec, cfg->dig_in_pin, spec->dig_in);
      return 0;
}

static void ca0110_free(struct hda_codec *codec)
{
      kfree(codec->spec);
}

static struct hda_codec_ops ca0110_patch_ops = {
      .build_controls = ca0110_build_controls,
      .build_pcms = ca0110_build_pcms,
      .init = ca0110_init,
      .free = ca0110_free,
};


static void parse_line_outs(struct hda_codec *codec)
{
      struct ca0110_spec *spec = codec->spec;
      struct auto_pin_cfg *cfg = &spec->autocfg;
      int i, n;
      unsigned int def_conf;
      hda_nid_t nid;

      n = 0;
      for (i = 0; i < cfg->line_outs; i++) {
            nid = cfg->line_out_pins[i];
            def_conf = snd_hda_codec_get_pincfg(codec, nid);
            if (!def_conf)
                  continue; /* invalid pin */
            if (snd_hda_get_connections(codec, nid, &spec->dacs[i], 1) != 1)
                  continue;
            spec->out_pins[n++] = nid;
      }
      spec->multiout.dac_nids = spec->dacs;
      spec->multiout.num_dacs = n;
      spec->multiout.max_channels = n * 2;
}

static void parse_hp_out(struct hda_codec *codec)
{
      struct ca0110_spec *spec = codec->spec;
      struct auto_pin_cfg *cfg = &spec->autocfg;
      int i;
      unsigned int def_conf;
      hda_nid_t nid, dac;

      if (!cfg->hp_outs)
            return;
      nid = cfg->hp_pins[0];
      def_conf = snd_hda_codec_get_pincfg(codec, nid);
      if (!def_conf) {
            cfg->hp_outs = 0;
            return;
      }
      if (snd_hda_get_connections(codec, nid, &dac, 1) != 1)
            return;

      for (i = 0; i < cfg->line_outs; i++)
            if (dac == spec->dacs[i])
                  break;
      if (i >= cfg->line_outs) {
            spec->hp_dac = dac;
            spec->multiout.hp_nid = dac;
      }
}

static void parse_input(struct hda_codec *codec)
{
      struct ca0110_spec *spec = codec->spec;
      struct auto_pin_cfg *cfg = &spec->autocfg;
      hda_nid_t nid, pin;
      int n, i, j;

      n = 0;
      nid = codec->start_nid;
      for (i = 0; i < codec->num_nodes; i++, nid++) {
            unsigned int wcaps = get_wcaps(codec, nid);
            unsigned int type = get_wcaps_type(wcaps);
            if (type != AC_WID_AUD_IN)
                  continue;
            if (snd_hda_get_connections(codec, nid, &pin, 1) != 1)
                  continue;
            if (pin == cfg->dig_in_pin) {
                  spec->dig_in = nid;
                  continue;
            }
            for (j = 0; j < AUTO_PIN_LAST; j++)
                  if (cfg->input_pins[j] == pin)
                        break;
            if (j >= AUTO_PIN_LAST)
                  continue;
            spec->input_pins[n] = pin;
            spec->input_labels[n] = auto_pin_cfg_labels[j];
            spec->adcs[n] = nid;
            n++;
      }
      spec->num_inputs = n;
}

static void parse_digital(struct hda_codec *codec)
{
      struct ca0110_spec *spec = codec->spec;
      struct auto_pin_cfg *cfg = &spec->autocfg;

      if (cfg->dig_outs &&
          snd_hda_get_connections(codec, cfg->dig_out_pins[0],
                            &spec->dig_out, 1) == 1)
            spec->multiout.dig_out_nid = cfg->dig_out_pins[0];
}

static int ca0110_parse_auto_config(struct hda_codec *codec)
{
      struct ca0110_spec *spec = codec->spec;
      int err;

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

      parse_line_outs(codec);
      parse_hp_out(codec);
      parse_digital(codec);
      parse_input(codec);
      return 0;
}


static int patch_ca0110(struct hda_codec *codec)
{
      struct ca0110_spec *spec;
      int err;

      spec = kzalloc(sizeof(*spec), GFP_KERNEL);
      if (!spec)
            return -ENOMEM;
      codec->spec = spec;

      codec->bus->needs_damn_long_delay = 1;

      err = ca0110_parse_auto_config(codec);
      if (err < 0)
            goto error;

      codec->patch_ops = ca0110_patch_ops;

      return 0;

 error:
      kfree(codec->spec);
      codec->spec = NULL;
      return err;
}


/*
 * patch entries
 */
static struct hda_codec_preset snd_hda_preset_ca0110[] = {
      { .id = 0x1102000a, .name = "CA0110-IBG", .patch = patch_ca0110 },
      { .id = 0x1102000b, .name = "CA0110-IBG", .patch = patch_ca0110 },
      { .id = 0x1102000d, .name = "SB0880 X-Fi", .patch = patch_ca0110 },
      {} /* terminator */
};

MODULE_ALIAS("snd-hda-codec-id:1102000a");
MODULE_ALIAS("snd-hda-codec-id:1102000b");
MODULE_ALIAS("snd-hda-codec-id:1102000d");

MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Creative CA0110-IBG HD-audio codec");

static struct hda_codec_preset_list ca0110_list = {
      .preset = snd_hda_preset_ca0110,
      .owner = THIS_MODULE,
};

static int __init patch_ca0110_init(void)
{
      return snd_hda_add_codec_preset(&ca0110_list);
}

static void __exit patch_ca0110_exit(void)
{
      snd_hda_delete_codec_preset(&ca0110_list);
}

module_init(patch_ca0110_init)
module_exit(patch_ca0110_exit)

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