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

patch_cirrus.c

/*
 * HD audio interface patch for Cirrus Logic CS420x chip
 *
 * Copyright (c) 2009 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 cs_spec {
      int board_config;
      struct auto_pin_cfg autocfg;
      struct hda_multi_out multiout;
      struct snd_kcontrol *vmaster_sw;
      struct snd_kcontrol *vmaster_vol;

      hda_nid_t dac_nid[AUTO_CFG_MAX_OUTS];
      hda_nid_t slave_dig_outs[2];

      unsigned int input_idx[AUTO_PIN_LAST];
      unsigned int capsrc_idx[AUTO_PIN_LAST];
      hda_nid_t adc_nid[AUTO_PIN_LAST];
      unsigned int adc_idx[AUTO_PIN_LAST];
      unsigned int num_inputs;
      unsigned int cur_input;
      unsigned int automic_idx;
      hda_nid_t cur_adc;
      unsigned int cur_adc_stream_tag;
      unsigned int cur_adc_format;
      hda_nid_t dig_in;

      struct hda_bind_ctls *capture_bind[2];

      unsigned int gpio_mask;
      unsigned int gpio_dir;
      unsigned int gpio_data;

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

      unsigned int hp_detect:1;
      unsigned int mic_detect:1;
};

/* available models */
enum {
      CS420X_MBP55,
      CS420X_AUTO,
      CS420X_MODELS
};

/* Vendor-specific processing widget */
#define CS420X_VENDOR_NID     0x11
#define CS_DIG_OUT1_PIN_NID   0x10
#define CS_DIG_OUT2_PIN_NID   0x15
#define CS_DMIC1_PIN_NID      0x12
#define CS_DMIC2_PIN_NID      0x0e

/* coef indices */
#define IDX_SPDIF_STAT        0x0000
#define IDX_SPDIF_CTL         0x0001
#define IDX_ADC_CFG           0x0002
/* SZC bitmask, 4 modes below:
 * 0 = immediate,
 * 1 = digital immediate, analog zero-cross
 * 2 = digtail & analog soft-ramp
 * 3 = digital soft-ramp, analog zero-cross
 */
#define   CS_COEF_ADC_SZC_MASK            (3 << 0)
#define   CS_COEF_ADC_MIC_SZC_MODE  (3 << 0) /* SZC setup for mic */
#define   CS_COEF_ADC_LI_SZC_MODE   (3 << 0) /* SZC setup for line-in */
/* PGA mode: 0 = differential, 1 = signle-ended */
#define   CS_COEF_ADC_MIC_PGA_MODE  (1 << 5) /* PGA setup for mic */
#define   CS_COEF_ADC_LI_PGA_MODE   (1 << 6) /* PGA setup for line-in */
#define IDX_DAC_CFG           0x0003
/* SZC bitmask, 4 modes below:
 * 0 = Immediate
 * 1 = zero-cross
 * 2 = soft-ramp
 * 3 = soft-ramp on zero-cross
 */
#define   CS_COEF_DAC_HP_SZC_MODE   (3 << 0) /* nid 0x02 */
#define   CS_COEF_DAC_LO_SZC_MODE   (3 << 2) /* nid 0x03 */
#define   CS_COEF_DAC_SPK_SZC_MODE  (3 << 4) /* nid 0x04 */

#define IDX_BEEP_CFG          0x0004
/* 0x0008 - test reg key */
/* 0x0009 - 0x0014 -> 12 test regs */
/* 0x0015 - visibility reg */


static inline int cs_vendor_coef_get(struct hda_codec *codec, unsigned int idx)
{
      snd_hda_codec_write(codec, CS420X_VENDOR_NID, 0,
                      AC_VERB_SET_COEF_INDEX, idx);
      return snd_hda_codec_read(codec, CS420X_VENDOR_NID, 0,
                          AC_VERB_GET_PROC_COEF, 0);
}

static inline void cs_vendor_coef_set(struct hda_codec *codec, unsigned int idx,
                              unsigned int coef)
{
      snd_hda_codec_write(codec, CS420X_VENDOR_NID, 0,
                      AC_VERB_SET_COEF_INDEX, idx);
      snd_hda_codec_write(codec, CS420X_VENDOR_NID, 0,
                      AC_VERB_SET_PROC_COEF, coef);
}


#define HP_EVENT  1
#define MIC_EVENT 2

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

static int cs_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 cs_spec *spec = codec->spec;
      return snd_hda_multi_out_analog_prepare(codec, &spec->multiout,
                                    stream_tag, format, substream);
}

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

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

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

static int cs_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 cs_spec *spec = codec->spec;
      return snd_hda_multi_out_dig_prepare(codec, &spec->multiout, stream_tag,
                                   format, substream);
}

static int cs_dig_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
                               struct hda_codec *codec,
                               struct snd_pcm_substream *substream)
{
      struct cs_spec *spec = codec->spec;
      return snd_hda_multi_out_dig_cleanup(codec, &spec->multiout);
}

/*
 * Analog capture
 */
static int cs_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 cs_spec *spec = codec->spec;
      spec->cur_adc = spec->adc_nid[spec->cur_input];
      spec->cur_adc_stream_tag = stream_tag;
      spec->cur_adc_format = format;
      snd_hda_codec_setup_stream(codec, spec->cur_adc, stream_tag, 0, format);
      return 0;
}

static int cs_capture_pcm_cleanup(struct hda_pcm_stream *hinfo,
                          struct hda_codec *codec,
                          struct snd_pcm_substream *substream)
{
      struct cs_spec *spec = codec->spec;
      snd_hda_codec_cleanup_stream(codec, spec->cur_adc);
      spec->cur_adc = 0;
      return 0;
}

/*
 */
static struct hda_pcm_stream cs_pcm_analog_playback = {
      .substreams = 1,
      .channels_min = 2,
      .channels_max = 2,
      .ops = {
            .open = cs_playback_pcm_open,
            .prepare = cs_playback_pcm_prepare,
            .cleanup = cs_playback_pcm_cleanup
      },
};

static struct hda_pcm_stream cs_pcm_analog_capture = {
      .substreams = 1,
      .channels_min = 2,
      .channels_max = 2,
      .ops = {
            .prepare = cs_capture_pcm_prepare,
            .cleanup = cs_capture_pcm_cleanup
      },
};

static struct hda_pcm_stream cs_pcm_digital_playback = {
      .substreams = 1,
      .channels_min = 2,
      .channels_max = 2,
      .ops = {
            .open = cs_dig_playback_pcm_open,
            .close = cs_dig_playback_pcm_close,
            .prepare = cs_dig_playback_pcm_prepare,
            .cleanup = cs_dig_playback_pcm_cleanup
      },
};

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

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

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

      info->name = "Cirrus Analog";
      info->stream[SNDRV_PCM_STREAM_PLAYBACK] = cs_pcm_analog_playback;
      info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = spec->dac_nid[0];
      info->stream[SNDRV_PCM_STREAM_PLAYBACK].channels_max =
            spec->multiout.max_channels;
      info->stream[SNDRV_PCM_STREAM_CAPTURE] = cs_pcm_analog_capture;
      info->stream[SNDRV_PCM_STREAM_CAPTURE].nid =
            spec->adc_nid[spec->cur_input];
      codec->num_pcms++;

      if (!spec->multiout.dig_out_nid && !spec->dig_in)
            return 0;

      info++;
      info->name = "Cirrus Digital";
      info->pcm_type = spec->autocfg.dig_out_type[0];
      if (!info->pcm_type)
            info->pcm_type = HDA_PCM_TYPE_SPDIF;
      if (spec->multiout.dig_out_nid) {
            info->stream[SNDRV_PCM_STREAM_PLAYBACK] =
                  cs_pcm_digital_playback;
            info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid =
                  spec->multiout.dig_out_nid;
      }
      if (spec->dig_in) {
            info->stream[SNDRV_PCM_STREAM_CAPTURE] =
                  cs_pcm_digital_capture;
            info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = spec->dig_in;
      }
      codec->num_pcms++;

      return 0;
}

/*
 * parse codec topology
 */

static hda_nid_t get_dac(struct hda_codec *codec, hda_nid_t pin)
{
      hda_nid_t dac;
      if (!pin)
            return 0;
      if (snd_hda_get_connections(codec, pin, &dac, 1) != 1)
            return 0;
      return dac;
}

static int is_ext_mic(struct hda_codec *codec, unsigned int idx)
{
      struct cs_spec *spec = codec->spec;
      struct auto_pin_cfg *cfg = &spec->autocfg;
      hda_nid_t pin = cfg->input_pins[idx];
      unsigned int val = snd_hda_query_pin_caps(codec, pin);
      if (!(val & AC_PINCAP_PRES_DETECT))
            return 0;
      val = snd_hda_codec_get_pincfg(codec, pin);
      return (get_defcfg_connect(val) == AC_JACK_PORT_COMPLEX);
}

static hda_nid_t get_adc(struct hda_codec *codec, hda_nid_t pin,
                   unsigned int *idxp)
{
      int i;
      hda_nid_t nid;

      nid = codec->start_nid;
      for (i = 0; i < codec->num_nodes; i++, nid++) {
            hda_nid_t pins[2];
            unsigned int type;
            int j, nums;
            type = (get_wcaps(codec, nid) & AC_WCAP_TYPE)
                  >> AC_WCAP_TYPE_SHIFT;
            if (type != AC_WID_AUD_IN)
                  continue;
            nums = snd_hda_get_connections(codec, nid, pins,
                                     ARRAY_SIZE(pins));
            if (nums <= 0)
                  continue;
            for (j = 0; j < nums; j++) {
                  if (pins[j] == pin) {
                        *idxp = j;
                        return nid;
                  }
            }
      }
      return 0;
}

static int is_active_pin(struct hda_codec *codec, hda_nid_t nid)
{
      unsigned int val;
      val = snd_hda_codec_get_pincfg(codec, nid);
      return (get_defcfg_connect(val) != AC_JACK_PORT_NONE);
}

static int parse_output(struct hda_codec *codec)
{
      struct cs_spec *spec = codec->spec;
      struct auto_pin_cfg *cfg = &spec->autocfg;
      int i, extra_nids;
      hda_nid_t dac;

      for (i = 0; i < cfg->line_outs; i++) {
            dac = get_dac(codec, cfg->line_out_pins[i]);
            if (!dac)
                  break;
            spec->dac_nid[i] = dac;
      }
      spec->multiout.num_dacs = i;
      spec->multiout.dac_nids = spec->dac_nid;
      spec->multiout.max_channels = i * 2;

      /* add HP and speakers */
      extra_nids = 0;
      for (i = 0; i < cfg->hp_outs; i++) {
            dac = get_dac(codec, cfg->hp_pins[i]);
            if (!dac)
                  break;
            if (!i)
                  spec->multiout.hp_nid = dac;
            else
                  spec->multiout.extra_out_nid[extra_nids++] = dac;
      }
      for (i = 0; i < cfg->speaker_outs; i++) {
            dac = get_dac(codec, cfg->speaker_pins[i]);
            if (!dac)
                  break;
            spec->multiout.extra_out_nid[extra_nids++] = dac;
      }

      if (cfg->line_out_type == AUTO_PIN_SPEAKER_OUT) {
            cfg->speaker_outs = cfg->line_outs;
            memcpy(cfg->speaker_pins, cfg->line_out_pins,
                   sizeof(cfg->speaker_pins));
            cfg->line_outs = 0;
      }

      return 0;
}

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

      for (i = 0; i < AUTO_PIN_LAST; i++) {
            hda_nid_t pin = cfg->input_pins[i];
            if (!pin)
                  continue;
            spec->input_idx[spec->num_inputs] = i;
            spec->capsrc_idx[i] = spec->num_inputs++;
            spec->cur_input = i;
            spec->adc_nid[i] = get_adc(codec, pin, &spec->adc_idx[i]);
      }
      if (!spec->num_inputs)
            return 0;

      /* check whether the automatic mic switch is available */
      if (spec->num_inputs == 2 &&
          spec->adc_nid[AUTO_PIN_MIC] && spec->adc_nid[AUTO_PIN_FRONT_MIC]) {
            if (is_ext_mic(codec, cfg->input_pins[AUTO_PIN_FRONT_MIC])) {
                  if (!is_ext_mic(codec, cfg->input_pins[AUTO_PIN_MIC])) {
                        spec->mic_detect = 1;
                        spec->automic_idx = AUTO_PIN_FRONT_MIC;
                  }
            } else {
                  if (is_ext_mic(codec, cfg->input_pins[AUTO_PIN_MIC])) {
                        spec->mic_detect = 1;
                        spec->automic_idx = AUTO_PIN_MIC;
                  }
            }
      }
      return 0;
}


static int parse_digital_output(struct hda_codec *codec)
{
      struct cs_spec *spec = codec->spec;
      struct auto_pin_cfg *cfg = &spec->autocfg;
      hda_nid_t nid;

      if (!cfg->dig_outs)
            return 0;
      if (snd_hda_get_connections(codec, cfg->dig_out_pins[0], &nid, 1) < 1)
            return 0;
      spec->multiout.dig_out_nid = nid;
      spec->multiout.share_spdif = 1;
      if (cfg->dig_outs > 1 &&
          snd_hda_get_connections(codec, cfg->dig_out_pins[1], &nid, 1) > 0) {
            spec->slave_dig_outs[0] = nid;
            codec->slave_dig_outs = spec->slave_dig_outs;
      }
      return 0;
}

static int parse_digital_input(struct hda_codec *codec)
{
      struct cs_spec *spec = codec->spec;
      struct auto_pin_cfg *cfg = &spec->autocfg;
      int idx;

      if (cfg->dig_in_pin)
            spec->dig_in = get_adc(codec, cfg->dig_in_pin, &idx);
      return 0;
}

/*
 * create mixer controls
 */

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

static int add_mute(struct hda_codec *codec, const char *name, int index,
                unsigned int pval, int dir, struct snd_kcontrol **kctlp)
{
      char tmp[44];
      struct snd_kcontrol_new knew =
            HDA_CODEC_MUTE_IDX(tmp, index, 0, 0, HDA_OUTPUT);
      knew.private_value = pval;
      snprintf(tmp, sizeof(tmp), "%s %s Switch", name, dir_sfx[dir]);
      *kctlp = snd_ctl_new1(&knew, codec);
      return snd_hda_ctl_add(codec, *kctlp);
}

static int add_volume(struct hda_codec *codec, const char *name,
                  int index, unsigned int pval, int dir,
                  struct snd_kcontrol **kctlp)
{
      char tmp[32];
      struct snd_kcontrol_new knew =
            HDA_CODEC_VOLUME_IDX(tmp, index, 0, 0, HDA_OUTPUT);
      knew.private_value = pval;
      snprintf(tmp, sizeof(tmp), "%s %s Volume", name, dir_sfx[dir]);
      *kctlp = snd_ctl_new1(&knew, codec);
      return snd_hda_ctl_add(codec, *kctlp);
}

static void fix_volume_caps(struct hda_codec *codec, hda_nid_t dac)
{
      unsigned int caps;

      /* set the upper-limit for mixer amp to 0dB */
      caps = query_amp_caps(codec, dac, HDA_OUTPUT);
      caps &= ~(0x7f << AC_AMPCAP_NUM_STEPS_SHIFT);
      caps |= ((caps >> AC_AMPCAP_OFFSET_SHIFT) & 0x7f)
            << AC_AMPCAP_NUM_STEPS_SHIFT;
      snd_hda_override_amp_caps(codec, dac, HDA_OUTPUT, caps);
}

static int add_vmaster(struct hda_codec *codec, hda_nid_t dac)
{
      struct cs_spec *spec = codec->spec;
      unsigned int tlv[4];
      int err;

      spec->vmaster_sw =
            snd_ctl_make_virtual_master("Master Playback Switch", NULL);
      err = snd_hda_ctl_add(codec, spec->vmaster_sw);
      if (err < 0)
            return err;

      snd_hda_set_vmaster_tlv(codec, dac, HDA_OUTPUT, tlv);
      spec->vmaster_vol =
            snd_ctl_make_virtual_master("Master Playback Volume", tlv);
      err = snd_hda_ctl_add(codec, spec->vmaster_vol);
      if (err < 0)
            return err;
      return 0;
}

static int add_output(struct hda_codec *codec, hda_nid_t dac, int idx,
                  int num_ctls, int type)
{
      struct cs_spec *spec = codec->spec;
      const char *name;
      int err, index;
      struct snd_kcontrol *kctl;
      static char *speakers[] = {
            "Front Speaker", "Surround Speaker", "Bass Speaker"
      };
      static char *line_outs[] = {
            "Front Line-Out", "Surround Line-Out", "Bass Line-Out"
      };

      fix_volume_caps(codec, dac);
      if (!spec->vmaster_sw) {
            err = add_vmaster(codec, dac);
            if (err < 0)
                  return err;
      }

      index = 0;
      switch (type) {
      case AUTO_PIN_HP_OUT:
            name = "Headphone";
            index = idx;
            break;
      case AUTO_PIN_SPEAKER_OUT:
            if (num_ctls > 1)
                  name = speakers[idx];
            else
                  name = "Speaker";
            break;
      default:
            if (num_ctls > 1)
                  name = line_outs[idx];
            else
                  name = "Line-Out";
            break;
      }

      err = add_mute(codec, name, index,
                   HDA_COMPOSE_AMP_VAL(dac, 3, 0, HDA_OUTPUT), 0, &kctl);
      if (err < 0)
            return err;
      err = snd_ctl_add_slave(spec->vmaster_sw, kctl);
      if (err < 0)
            return err;

      err = add_volume(codec, name, index,
                   HDA_COMPOSE_AMP_VAL(dac, 3, 0, HDA_OUTPUT), 0, &kctl);
      if (err < 0)
            return err;
      err = snd_ctl_add_slave(spec->vmaster_vol, kctl);
      if (err < 0)
            return err;

      return 0;
}           

static int build_output(struct hda_codec *codec)
{
      struct cs_spec *spec = codec->spec;
      struct auto_pin_cfg *cfg = &spec->autocfg;
      int i, err;

      for (i = 0; i < cfg->line_outs; i++) {
            err = add_output(codec, get_dac(codec, cfg->line_out_pins[i]),
                         i, cfg->line_outs, cfg->line_out_type);
            if (err < 0)
                  return err;
      }
      for (i = 0; i < cfg->hp_outs; i++) {
            err = add_output(codec, get_dac(codec, cfg->hp_pins[i]),
                         i, cfg->hp_outs, AUTO_PIN_HP_OUT);
            if (err < 0)
                  return err;
      }
      for (i = 0; i < cfg->speaker_outs; i++) {
            err = add_output(codec, get_dac(codec, cfg->speaker_pins[i]),
                         i, cfg->speaker_outs, AUTO_PIN_SPEAKER_OUT);
            if (err < 0)
                  return err;
      }
      return 0;
}

/*
 */

static struct snd_kcontrol_new cs_capture_ctls[] = {
      HDA_BIND_SW("Capture Switch", 0),
      HDA_BIND_VOL("Capture Volume", 0),
};

static int change_cur_input(struct hda_codec *codec, unsigned int idx,
                      int force)
{
      struct cs_spec *spec = codec->spec;
      
      if (spec->cur_input == idx && !force)
            return 0;
      if (spec->cur_adc && spec->cur_adc != spec->adc_nid[idx]) {
            /* stream is running, let's swap the current ADC */
            snd_hda_codec_cleanup_stream(codec, spec->cur_adc);
            spec->cur_adc = spec->adc_nid[idx];
            snd_hda_codec_setup_stream(codec, spec->cur_adc,
                                 spec->cur_adc_stream_tag, 0,
                                 spec->cur_adc_format);
      }
      snd_hda_codec_write(codec, spec->cur_adc, 0,
                      AC_VERB_SET_CONNECT_SEL,
                      spec->adc_idx[idx]);
      spec->cur_input = idx;
      return 1;
}

static int cs_capture_source_info(struct snd_kcontrol *kcontrol,
                          struct snd_ctl_elem_info *uinfo)
{
      struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
      struct cs_spec *spec = codec->spec;
      unsigned int idx;

      uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
      uinfo->count = 1;
      uinfo->value.enumerated.items = spec->num_inputs;
      if (uinfo->value.enumerated.item >= spec->num_inputs)
            uinfo->value.enumerated.item = spec->num_inputs - 1;
      idx = spec->input_idx[uinfo->value.enumerated.item];
      strcpy(uinfo->value.enumerated.name, auto_pin_cfg_labels[idx]);
      return 0;
}

static int cs_capture_source_get(struct snd_kcontrol *kcontrol,
                         struct snd_ctl_elem_value *ucontrol)
{
      struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
      struct cs_spec *spec = codec->spec;
      ucontrol->value.enumerated.item[0] = spec->capsrc_idx[spec->cur_input];
      return 0;
}

static int cs_capture_source_put(struct snd_kcontrol *kcontrol,
                         struct snd_ctl_elem_value *ucontrol)
{
      struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
      struct cs_spec *spec = codec->spec;
      unsigned int idx = ucontrol->value.enumerated.item[0];

      if (idx >= spec->num_inputs)
            return -EINVAL;
      idx = spec->input_idx[idx];
      return change_cur_input(codec, idx, 0);
}

static struct snd_kcontrol_new cs_capture_source = {
      .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
      .name = "Capture Source",
      .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
      .info = cs_capture_source_info,
      .get = cs_capture_source_get,
      .put = cs_capture_source_put,
};

static struct hda_bind_ctls *make_bind_capture(struct hda_codec *codec,
                                     struct hda_ctl_ops *ops)
{
      struct cs_spec *spec = codec->spec;
      struct hda_bind_ctls *bind;
      int i, n;

      bind = kzalloc(sizeof(*bind) + sizeof(long) * (spec->num_inputs + 1),
                   GFP_KERNEL);
      if (!bind)
            return NULL;
      bind->ops = ops;
      n = 0;
      for (i = 0; i < AUTO_PIN_LAST; i++) {
            if (!spec->adc_nid[i])
                  continue;
            bind->values[n++] =
                  HDA_COMPOSE_AMP_VAL(spec->adc_nid[i], 3,
                                  spec->adc_idx[i], HDA_INPUT);
      }
      return bind;
}

static int build_input(struct hda_codec *codec)
{
      struct cs_spec *spec = codec->spec;
      int i, err;

      if (!spec->num_inputs)
            return 0;

      /* make bind-capture */
      spec->capture_bind[0] = make_bind_capture(codec, &snd_hda_bind_sw);
      spec->capture_bind[1] = make_bind_capture(codec, &snd_hda_bind_vol);
      for (i = 0; i < 2; i++) {
            struct snd_kcontrol *kctl;
            if (!spec->capture_bind[i])
                  return -ENOMEM;
            kctl = snd_ctl_new1(&cs_capture_ctls[i], codec);
            if (!kctl)
                  return -ENOMEM;
            kctl->private_value = (long)spec->capture_bind[i];
            err = snd_hda_ctl_add(codec, kctl);
            if (err < 0)
                  return err;
      }
      
      if (spec->num_inputs > 1 && !spec->mic_detect) {
            err = snd_hda_ctl_add(codec,
                              snd_ctl_new1(&cs_capture_source, codec));
            if (err < 0)
                  return err;
      }

      return 0;
}

/*
 */

static int build_digital_output(struct hda_codec *codec)
{
      struct cs_spec *spec = codec->spec;
      int err;

      if (!spec->multiout.dig_out_nid)
            return 0;

      err = snd_hda_create_spdif_out_ctls(codec, spec->multiout.dig_out_nid);
      if (err < 0)
            return err;
      err = snd_hda_create_spdif_share_sw(codec, &spec->multiout);
      if (err < 0)
            return err;
      return 0;
}

static int build_digital_input(struct hda_codec *codec)
{
      struct cs_spec *spec = codec->spec;
      if (spec->dig_in)
            return snd_hda_create_spdif_in_ctls(codec, spec->dig_in);
      return 0;
}

/*
 * auto-mute and auto-mic switching
 */

static void cs_automute(struct hda_codec *codec)
{
      struct cs_spec *spec = codec->spec;
      struct auto_pin_cfg *cfg = &spec->autocfg;
      unsigned int caps, present, hp_present;
      hda_nid_t nid;
      int i;

      hp_present = 0;
      for (i = 0; i < cfg->hp_outs; i++) {
            nid = cfg->hp_pins[i];
            caps = snd_hda_query_pin_caps(codec, nid);
            if (!(caps & AC_PINCAP_PRES_DETECT))
                  continue;
            if (caps & AC_PINCAP_TRIG_REQ)
                  snd_hda_codec_read(codec, nid, 0,
                                 AC_VERB_SET_PIN_SENSE, 0);
            present = snd_hda_codec_read(codec, nid, 0,
                                   AC_VERB_GET_PIN_SENSE, 0);
            hp_present |= (present & AC_PINSENSE_PRESENCE) != 0;
            if (hp_present)
                  break;
      }
      for (i = 0; i < cfg->speaker_outs; i++) {
            nid = cfg->speaker_pins[i];
            snd_hda_codec_write(codec, nid, 0,
                            AC_VERB_SET_PIN_WIDGET_CONTROL,
                            hp_present ? 0 : PIN_OUT);
      }
      if (spec->board_config == CS420X_MBP55) {
            unsigned int gpio = hp_present ? 0x02 : 0x08;
            snd_hda_codec_write(codec, 0x01, 0,
                            AC_VERB_SET_GPIO_DATA, gpio);
      }
}

static void cs_automic(struct hda_codec *codec)
{
      struct cs_spec *spec = codec->spec;
      struct auto_pin_cfg *cfg = &spec->autocfg;
      hda_nid_t nid;
      unsigned int caps, present;
      
      nid = cfg->input_pins[spec->automic_idx];
      caps = snd_hda_query_pin_caps(codec, nid);
      if (caps & AC_PINCAP_TRIG_REQ)
            snd_hda_codec_read(codec, nid, 0, AC_VERB_SET_PIN_SENSE, 0);
      present = snd_hda_codec_read(codec, nid, 0,
                             AC_VERB_GET_PIN_SENSE, 0);
      if (present & AC_PINSENSE_PRESENCE)
            change_cur_input(codec, spec->automic_idx, 0);
      else {
            unsigned int imic = (spec->automic_idx == AUTO_PIN_MIC) ?
                  AUTO_PIN_FRONT_MIC : AUTO_PIN_MIC;
            change_cur_input(codec, imic, 0);
      }
}

/*
 */

static void init_output(struct hda_codec *codec)
{
      struct cs_spec *spec = codec->spec;
      struct auto_pin_cfg *cfg = &spec->autocfg;
      int i;

      /* mute first */
      for (i = 0; i < spec->multiout.num_dacs; i++)
            snd_hda_codec_write(codec, spec->multiout.dac_nids[i], 0,
                            AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE);
      if (spec->multiout.hp_nid)
            snd_hda_codec_write(codec, spec->multiout.hp_nid, 0,
                            AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE);
      for (i = 0; i < ARRAY_SIZE(spec->multiout.extra_out_nid); i++) {
            if (!spec->multiout.extra_out_nid[i])
                  break;
            snd_hda_codec_write(codec, spec->multiout.extra_out_nid[i], 0,
                            AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE);
      }

      /* set appropriate pin controls */
      for (i = 0; i < cfg->line_outs; i++)
            snd_hda_codec_write(codec, cfg->line_out_pins[i], 0,
                            AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
      for (i = 0; i < cfg->hp_outs; i++) {
            hda_nid_t nid = cfg->hp_pins[i];
            snd_hda_codec_write(codec, nid, 0,
                            AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_HP);
            if (!cfg->speaker_outs)
                  continue;
            if (get_wcaps(codec, nid) & AC_WCAP_UNSOL_CAP) {
                  snd_hda_codec_write(codec, nid, 0,
                                  AC_VERB_SET_UNSOLICITED_ENABLE,
                                  AC_USRSP_EN | HP_EVENT);
                  spec->hp_detect = 1;
            }
      }
      for (i = 0; i < cfg->speaker_outs; i++)
            snd_hda_codec_write(codec, cfg->speaker_pins[i], 0,
                            AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
      if (spec->hp_detect)
            cs_automute(codec);
}

static void init_input(struct hda_codec *codec)
{
      struct cs_spec *spec = codec->spec;
      struct auto_pin_cfg *cfg = &spec->autocfg;
      unsigned int coef;
      int i;

      for (i = 0; i < AUTO_PIN_LAST; i++) {
            unsigned int ctl;
            hda_nid_t pin = cfg->input_pins[i];
            if (!pin || !spec->adc_nid[i])
                  continue;
            /* set appropriate pin control and mute first */
            ctl = PIN_IN;
            if (i <= AUTO_PIN_FRONT_MIC) {
                  unsigned int caps = snd_hda_query_pin_caps(codec, pin);
                  caps >>= AC_PINCAP_VREF_SHIFT;
                  if (caps & AC_PINCAP_VREF_80)
                        ctl = PIN_VREF80;
            }
            snd_hda_codec_write(codec, pin, 0,
                            AC_VERB_SET_PIN_WIDGET_CONTROL, ctl);
            snd_hda_codec_write(codec, spec->adc_nid[i], 0,
                            AC_VERB_SET_AMP_GAIN_MUTE,
                            AMP_IN_MUTE(spec->adc_idx[i]));
            if (spec->mic_detect && spec->automic_idx == i)
                  snd_hda_codec_write(codec, pin, 0,
                                  AC_VERB_SET_UNSOLICITED_ENABLE,
                                  AC_USRSP_EN | MIC_EVENT);
      }
      change_cur_input(codec, spec->cur_input, 1);
      if (spec->mic_detect)
            cs_automic(codec);

      coef = 0x000a; /* ADC1/2 - Digital and Analog Soft Ramp */
      if (is_active_pin(codec, CS_DMIC2_PIN_NID))
            coef |= 0x0500; /* DMIC2 enable 2 channels, disable GPIO1 */
      if (is_active_pin(codec, CS_DMIC1_PIN_NID))
            coef |= 0x1800; /* DMIC1 enable 2 channels, disable GPIO0 
                         * No effect if SPDIF_OUT2 is slected in 
                         * IDX_SPDIF_CTL.
                          */
      cs_vendor_coef_set(codec, IDX_ADC_CFG, coef);
}

static struct hda_verb cs_coef_init_verbs[] = {
      {0x11, AC_VERB_SET_PROC_STATE, 1},
      {0x11, AC_VERB_SET_COEF_INDEX, IDX_DAC_CFG},
      {0x11, AC_VERB_SET_PROC_COEF,
       (0x002a /* DAC1/2/3 SZCMode Soft Ramp */
        | 0x0040 /* Mute DACs on FIFO error */
        | 0x1000 /* Enable DACs High Pass Filter */
        | 0x0400 /* Disable Coefficient Auto increment */
        )},
      /* Beep */
      {0x11, AC_VERB_SET_COEF_INDEX, IDX_DAC_CFG},
      {0x11, AC_VERB_SET_PROC_COEF, 0x0007}, /* Enable Beep thru DAC1/2/3 */

      {} /* terminator */
};

/* SPDIF setup */
static void init_digital(struct hda_codec *codec)
{
      unsigned int coef;

      coef = 0x0002; /* SRC_MUTE soft-mute on SPDIF (if no lock) */
      coef |= 0x0008; /* Replace with mute on error */
      if (is_active_pin(codec, CS_DIG_OUT2_PIN_NID))
            coef |= 0x4000; /* RX to TX1 or TX2 Loopthru / SPDIF2
                         * SPDIF_OUT2 is shared with GPIO1 and
                         * DMIC_SDA2.
                         */
      cs_vendor_coef_set(codec, IDX_SPDIF_CTL, coef);
}

static int cs_init(struct hda_codec *codec)
{
      struct cs_spec *spec = codec->spec;

      snd_hda_sequence_write(codec, cs_coef_init_verbs);

      if (spec->gpio_mask) {
            snd_hda_codec_write(codec, 0x01, 0, AC_VERB_SET_GPIO_MASK,
                            spec->gpio_mask);
            snd_hda_codec_write(codec, 0x01, 0, AC_VERB_SET_GPIO_DIRECTION,
                            spec->gpio_dir);
            snd_hda_codec_write(codec, 0x01, 0, AC_VERB_SET_GPIO_DATA,
                            spec->gpio_data);
      }

      init_output(codec);
      init_input(codec);
      init_digital(codec);
      return 0;
}

static int cs_build_controls(struct hda_codec *codec)
{
      int err;

      err = build_output(codec);
      if (err < 0)
            return err;
      err = build_input(codec);
      if (err < 0)
            return err;
      err = build_digital_output(codec);
      if (err < 0)
            return err;
      err = build_digital_input(codec);
      if (err < 0)
            return err;
      return cs_init(codec);
}

static void cs_free(struct hda_codec *codec)
{
      struct cs_spec *spec = codec->spec;
      kfree(spec->capture_bind[0]);
      kfree(spec->capture_bind[1]);
      kfree(codec->spec);
}

static void cs_unsol_event(struct hda_codec *codec, unsigned int res)
{
      switch ((res >> 26) & 0x7f) {
      case HP_EVENT:
            cs_automute(codec);
            break;
      case MIC_EVENT:
            cs_automic(codec);
            break;
      }
}

static struct hda_codec_ops cs_patch_ops = {
      .build_controls = cs_build_controls,
      .build_pcms = cs_build_pcms,
      .init = cs_init,
      .free = cs_free,
      .unsol_event = cs_unsol_event,
};

static int cs_parse_auto_config(struct hda_codec *codec)
{
      struct cs_spec *spec = codec->spec;
      int err;

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

      err = parse_output(codec);
      if (err < 0)
            return err;
      err = parse_input(codec);
      if (err < 0)
            return err;
      err = parse_digital_output(codec);
      if (err < 0)
            return err;
      err = parse_digital_input(codec);
      if (err < 0)
            return err;
      return 0;
}

static const char *cs420x_models[CS420X_MODELS] = {
      [CS420X_MBP55] = "mbp55",
      [CS420X_AUTO] = "auto",
};


static struct snd_pci_quirk cs420x_cfg_tbl[] = {
      SND_PCI_QUIRK(0x10de, 0xcb79, "MacBookPro 5,5", CS420X_MBP55),
      {} /* terminator */
};

struct cs_pincfg {
      hda_nid_t nid;
      u32 val;
};

static struct cs_pincfg mbp55_pincfgs[] = {
      { 0x09, 0x012b4030 },
      { 0x0a, 0x90100121 },
      { 0x0b, 0x90100120 },
      { 0x0c, 0x400000f0 },
      { 0x0d, 0x90a00110 },
      { 0x0e, 0x400000f0 },
      { 0x0f, 0x400000f0 },
      { 0x10, 0x014be040 },
      { 0x12, 0x400000f0 },
      { 0x15, 0x400000f0 },
      {} /* terminator */
};

static struct cs_pincfg *cs_pincfgs[CS420X_MODELS] = {
      [CS420X_MBP55] = mbp55_pincfgs,
};

static void fix_pincfg(struct hda_codec *codec, int model)
{
      const struct cs_pincfg *cfg = cs_pincfgs[model];
      if (!cfg)
            return;
      for (; cfg->nid; cfg++)
            snd_hda_codec_set_pincfg(codec, cfg->nid, cfg->val);
}


static int patch_cs420x(struct hda_codec *codec)
{
      struct cs_spec *spec;
      int err;

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

      spec->board_config =
            snd_hda_check_board_config(codec, CS420X_MODELS,
                                 cs420x_models, cs420x_cfg_tbl);
      if (spec->board_config >= 0)
            fix_pincfg(codec, spec->board_config);

      switch (spec->board_config) {
      case CS420X_MBP55:
            /* GPIO1 = headphones */
            /* GPIO3 = speakers */
            spec->gpio_mask = 0x0a;
            spec->gpio_dir = 0x0a;
            break;
      }

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

      codec->patch_ops = cs_patch_ops;

      return 0;

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


/*
 * patch entries
 */
static struct hda_codec_preset snd_hda_preset_cirrus[] = {
      { .id = 0x10134206, .name = "CS4206", .patch = patch_cs420x },
      { .id = 0x10134207, .name = "CS4207", .patch = patch_cs420x },
      {} /* terminator */
};

MODULE_ALIAS("snd-hda-codec-id:10134206");
MODULE_ALIAS("snd-hda-codec-id:10134207");

MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Cirrus Logic HD-audio codec");

static struct hda_codec_preset_list cirrus_list = {
      .preset = snd_hda_preset_cirrus,
      .owner = THIS_MODULE,
};

static int __init patch_cirrus_init(void)
{
      return snd_hda_add_codec_preset(&cirrus_list);
}

static void __exit patch_cirrus_exit(void)
{
      snd_hda_delete_codec_preset(&cirrus_list);
}

module_init(patch_cirrus_init)
module_exit(patch_cirrus_exit)

Generated by  Doxygen 1.6.0   Back to index