text: /*
   * Universal Interface for Intel High Definition Audio Codec
   *
   * HD audio interface patch for C-Media CMI9880
   *
   * 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 <linux/init.h>
  #include <linux/slab.h>
  #include <linux/module.h>
  #include <sound/core.h>
  #include "hda_codec.h"
  #include "hda_local.h"
  #include "hda_auto_parser.h"
  #include "hda_jack.h"
  #include "hda_generic.h"
  
  #undef ENABLE_CMI_STATIC_QUIRKS
  
  #ifdef ENABLE_CMI_STATIC_QUIRKS
  #define NUM_PINS	11
  
  
  /* board config type */
  enum {
  	CMI_MINIMAL,	/* back 3-jack */
  	CMI_MIN_FP,	/* back 3-jack + front-panel 2-jack */
  	CMI_FULL,	/* back 6-jack + front-panel 2-jack */
  	CMI_FULL_DIG,	/* back 6-jack + front-panel 2-jack + digital I/O */
  	CMI_ALLOUT,	/* back 5-jack + front-panel 2-jack + digital out */
  	CMI_AUTO,	/* let driver guess it */
  	CMI_MODELS
  };
  #endif /* ENABLE_CMI_STATIC_QUIRKS */
  
  struct cmi_spec {
  	struct hda_gen_spec gen;
  
  #ifdef ENABLE_CMI_STATIC_QUIRKS
  	/* below are only for static models */
  
  	int board_config;
  	unsigned int no_line_in: 1;	/* no line-in (5-jack) */
  	unsigned int front_panel: 1;	/* has front-panel 2-jack */
  
  	/* playback */
  	struct hda_multi_out multiout;
  	hda_nid_t dac_nids[AUTO_CFG_MAX_OUTS];	/* NID for each DAC */
  	int num_dacs;
  
  	/* capture */
  	const hda_nid_t *adc_nids;
  	hda_nid_t dig_in_nid;
  
  	/* capture source */
  	const struct hda_input_mux *input_mux;
  	unsigned int cur_mux[2];
  
  	/* channel mode */
  	int num_channel_modes;
  	const struct hda_channel_mode *channel_modes;
  
  	struct hda_pcm pcm_rec[2];	/* PCM information */
  
  	/* pin default configuration */
  	hda_nid_t pin_nid[NUM_PINS];
  	unsigned int def_conf[NUM_PINS];
  	unsigned int pin_def_confs;
  
  	/* multichannel pins */
  	struct hda_verb multi_init[9];	/* 2 verbs for each pin + terminator */
  #endif /* ENABLE_CMI_STATIC_QUIRKS */
  };
  
  #ifdef ENABLE_CMI_STATIC_QUIRKS
  /*
   * input MUX
   */
  static int cmi_mux_enum_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
  {
  	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
  	struct cmi_spec *spec = codec->spec;
  	return snd_hda_input_mux_info(spec->input_mux, uinfo);
  }
  
  static int cmi_mux_enum_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
  {
  	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
  	struct cmi_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 cmi_mux_enum_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
  {
  	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
  	struct cmi_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->adc_nids[adc_idx], &spec->cur_mux[adc_idx]);
  }
  
  /*
   * shared line-in, mic for surrounds
   */
  
  /* 3-stack / 2 channel */
  static const struct hda_verb cmi9880_ch2_init[] = {
  	/* set line-in PIN for input */
  	{ 0x0c, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_IN },
  	/* set mic PIN for input, also enable vref */
  	{ 0x0d, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF80 },
  	/* route front PCM (DAC1) to HP */
  	{ 0x0f, AC_VERB_SET_CONNECT_SEL, 0x00 },
  	{}
  };
  
  /* 3-stack / 6 channel */
  static const struct hda_verb cmi9880_ch6_init[] = {
  	/* set line-in PIN for output */
  	{ 0x0c, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT },
  	/* set mic PIN for output */
  	{ 0x0d, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT },
  	/* route front PCM (DAC1) to HP */
  	{ 0x0f, AC_VERB_SET_CONNECT_SEL, 0x00 },
  	{}
  };
  
  /* 3-stack+front / 8 channel */
  static const struct hda_verb cmi9880_ch8_init[] = {
  	/* set line-in PIN for output */
  	{ 0x0c, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT },
  	/* set mic PIN for output */
  	{ 0x0d, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT },
  	/* route rear-surround PCM (DAC4) to HP */
  	{ 0x0f, AC_VERB_SET_CONNECT_SEL, 0x03 },
  	{}
  };
  
  static const struct hda_channel_mode cmi9880_channel_modes[3] = {
  	{ 2, cmi9880_ch2_init },
  	{ 6, cmi9880_ch6_init },
  	{ 8, cmi9880_ch8_init },
  };
  
  static int cmi_ch_mode_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
  {
  	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
  	struct cmi_spec *spec = codec->spec;
  	return snd_hda_ch_mode_info(codec, uinfo, spec->channel_modes,
  				    spec->num_channel_modes);
  }
  
  static int cmi_ch_mode_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
  {
  	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
  	struct cmi_spec *spec = codec->spec;
  	return snd_hda_ch_mode_get(codec, ucontrol, spec->channel_modes,
  				   spec->num_channel_modes, spec->multiout.max_channels);
  }
  
  static int cmi_ch_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
  {
  	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
  	struct cmi_spec *spec = codec->spec;
  	return snd_hda_ch_mode_put(codec, ucontrol, spec->channel_modes,
  				   spec->num_channel_modes, &spec->multiout.max_channels);
  }
  
  /*
   */
  static const struct snd_kcontrol_new cmi9880_basic_mixer[] = {
  	/* CMI9880 has no playback volumes! */
  	HDA_CODEC_MUTE("PCM Playback Switch", 0x03, 0x0, HDA_OUTPUT), /* front */
  	HDA_CODEC_MUTE("Surround Playback Switch", 0x04, 0x0, HDA_OUTPUT),
  	HDA_CODEC_MUTE_MONO("Center Playback Switch", 0x05, 1, 0x0, HDA_OUTPUT),
  	HDA_CODEC_MUTE_MONO("LFE Playback Switch", 0x05, 2, 0x0, HDA_OUTPUT),
  	HDA_CODEC_MUTE("Side Playback Switch", 0x06, 0x0, HDA_OUTPUT),
  	{
  		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
  		/* The multiple "Capture Source" controls confuse alsamixer
  		 * So call somewhat different..
  		 */
  		/* .name = "Capture Source", */
  		.name = "Input Source",
  		.count = 2,
  		.info = cmi_mux_enum_info,
  		.get = cmi_mux_enum_get,
  		.put = cmi_mux_enum_put,
  	},
  	HDA_CODEC_VOLUME("Capture Volume", 0x08, 0, HDA_INPUT),
  	HDA_CODEC_VOLUME_IDX("Capture Volume", 1, 0x09, 0, HDA_INPUT),
  	HDA_CODEC_MUTE("Capture Switch", 0x08, 0, HDA_INPUT),
  	HDA_CODEC_MUTE_IDX("Capture Switch", 1, 0x09, 0, HDA_INPUT),
  	HDA_CODEC_VOLUME("Beep Playback Volume", 0x23, 0, HDA_OUTPUT),
  	HDA_CODEC_MUTE("Beep Playback Switch", 0x23, 0, HDA_OUTPUT),
  	{ } /* end */
  };
  
  /*
   * shared I/O pins
   */
  static const struct snd_kcontrol_new cmi9880_ch_mode_mixer[] = {
  	{
  		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
  		.name = "Channel Mode",
  		.info = cmi_ch_mode_info,
  		.get = cmi_ch_mode_get,
  		.put = cmi_ch_mode_put,
  	},
  	{ } /* end */
  };
  
  /* AUD-in selections:
   * 0x0b 0x0c 0x0d 0x0e 0x0f 0x10 0x11 0x1f 0x20
   */
  static const struct hda_input_mux cmi9880_basic_mux = {
  	.num_items = 4,
  	.items = {
  		{ "Front Mic", 0x5 },
  		{ "Rear Mic", 0x2 },
  		{ "Line", 0x1 },
  		{ "CD", 0x7 },
  	}
  };
  
  static const struct hda_input_mux cmi9880_no_line_mux = {
  	.num_items = 3,
  	.items = {
  		{ "Front Mic", 0x5 },
  		{ "Rear Mic", 0x2 },
  		{ "CD", 0x7 },
  	}
  };
  
  /* front, rear, clfe, rear_surr */
  static const hda_nid_t cmi9880_dac_nids[4] = {
  	0x03, 0x04, 0x05, 0x06
  };
  /* ADC0, ADC1 */
  static const hda_nid_t cmi9880_adc_nids[2] = {
  	0x08, 0x09
  };
  
  #define CMI_DIG_OUT_NID	0x07
  #define CMI_DIG_IN_NID	0x0a
  
  /*
   */
  static const struct hda_verb cmi9880_basic_init[] = {
  	/* port-D for line out (rear panel) */
  	{ 0x0b, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_HP },
  	/* port-E for HP out (front panel) */
  	{ 0x0f, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_HP },
  	/* route front PCM to HP */
  	{ 0x0f, AC_VERB_SET_CONNECT_SEL, 0x00 },
  	/* port-A for surround (rear panel) */
  	{ 0x0e, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_HP },
  	/* port-G for CLFE (rear panel) */
  	{ 0x1f, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_HP },
  	{ 0x1f, AC_VERB_SET_CONNECT_SEL, 0x02 },
  	/* port-H for side (rear panel) */
  	{ 0x20, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_HP },
  	{ 0x20, AC_VERB_SET_CONNECT_SEL, 0x01 },
  	/* port-C for line-in (rear panel) */
  	{ 0x0c, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_IN },
  	/* port-B for mic-in (rear panel) with vref */
  	{ 0x0d, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF80 },
  	/* port-F for mic-in (front panel) with vref */
  	{ 0x10, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF80 },
  	/* CD-in */
  	{ 0x11, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_IN },
  	/* route front mic to ADC1/2 */
  	{ 0x08, AC_VERB_SET_CONNECT_SEL, 0x05 },
  	{ 0x09, AC_VERB_SET_CONNECT_SEL, 0x05 },
  	{} /* terminator */
  };
  
  static const struct hda_verb cmi9880_allout_init[] = {
  	/* port-D for line out (rear panel) */
  	{ 0x0b, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_HP },
  	/* port-E for HP out (front panel) */
  	{ 0x0f, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_HP },
  	/* route front PCM to HP */
  	{ 0x0f, AC_VERB_SET_CONNECT_SEL, 0x00 },
  	/* port-A for side (rear panel) */
  	{ 0x0e, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_HP },
  	/* port-G for CLFE (rear panel) */
  	{ 0x1f, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_HP },
  	{ 0x1f, AC_VERB_SET_CONNECT_SEL, 0x02 },
  	/* port-H for side (rear panel) */
  	{ 0x20, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_HP },
  	{ 0x20, AC_VERB_SET_CONNECT_SEL, 0x01 },
  	/* port-C for surround (rear panel) */
  	{ 0x0c, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_HP },
  	/* port-B for mic-in (rear panel) with vref */
  	{ 0x0d, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF80 },
  	/* port-F for mic-in (front panel) with vref */
  	{ 0x10, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF80 },
  	/* CD-in */
  	{ 0x11, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_IN },
  	/* route front mic to ADC1/2 */
  	{ 0x08, AC_VERB_SET_CONNECT_SEL, 0x05 },
  	{ 0x09, AC_VERB_SET_CONNECT_SEL, 0x05 },
  	{} /* terminator */
  };
  
  /*
   */
  static int cmi9880_build_controls(struct hda_codec *codec)
  {
  	struct cmi_spec *spec = codec->spec;
  	struct snd_kcontrol *kctl;
  	int i, err;
  
  	err = snd_hda_add_new_ctls(codec, cmi9880_basic_mixer);
  	if (err < 0)
  		return err;
  	if (spec->channel_modes) {
  		err = snd_hda_add_new_ctls(codec, cmi9880_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,
  						    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;
  		spec->multiout.share_spdif = 1;
  	}
  	if (spec->dig_in_nid) {
  		err = snd_hda_create_spdif_in_ctls(codec, spec->dig_in_nid);
  		if (err < 0)
  			return err;
  	}
  
  	/* assign Capture Source enums to NID */
  	kctl = snd_hda_find_mixer_ctl(codec, "Capture Source");
  	for (i = 0; kctl && i < kctl->count; i++) {
  		err = snd_hda_add_nid(codec, kctl, i, spec->adc_nids[i]);
  		if (err < 0)
  			return err;
  	}
  	return 0;
  }
  
  static int cmi9880_init(struct hda_codec *codec)
  {
  	struct cmi_spec *spec = codec->spec;
  	if (spec->board_config == CMI_ALLOUT)
  		snd_hda_sequence_write(codec, cmi9880_allout_init);
  	else
  		snd_hda_sequence_write(codec, cmi9880_basic_init);
  	if (spec->board_config == CMI_AUTO)
  		snd_hda_sequence_write(codec, spec->multi_init);
  	return 0;
  }
  
  /*
   * Analog playback callbacks
   */
  static int cmi9880_playback_pcm_open(struct hda_pcm_stream *hinfo,
  				     struct hda_codec *codec,
  				     struct snd_pcm_substream *substream)
  {
  	struct cmi_spec *spec = codec->spec;
  	return snd_hda_multi_out_analog_open(codec, &spec->multiout, substream,
  					     hinfo);
  }
  
  static int cmi9880_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 cmi_spec *spec = codec->spec;
  	return snd_hda_multi_out_analog_prepare(codec, &spec->multiout, stream_tag,
  						format, substream);
  }
  
  static int cmi9880_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
  				       struct hda_codec *codec,
  				       struct snd_pcm_substream *substream)
  {
  	struct cmi_spec *spec = codec->spec;
  	return snd_hda_multi_out_analog_cleanup(codec, &spec->multiout);
  }
  
  /*
   * Digital out
   */
  static int cmi9880_dig_playback_pcm_open(struct hda_pcm_stream *hinfo,
  					 struct hda_codec *codec,
  					 struct snd_pcm_substream *substream)
  {
  	struct cmi_spec *spec = codec->spec;
  	return snd_hda_multi_out_dig_open(codec, &spec->multiout);
  }
  
  static int cmi9880_dig_playback_pcm_close(struct hda_pcm_stream *hinfo,
  					  struct hda_codec *codec,
  					  struct snd_pcm_substream *substream)
  {
  	struct cmi_spec *spec = codec->spec;
  	return snd_hda_multi_out_dig_close(codec, &spec->multiout);
  }
  
  static int cmi9880_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 cmi_spec *spec = codec->spec;
  	return snd_hda_multi_out_dig_prepare(codec, &spec->multiout, stream_tag,
  					     format, substream);
  }
  
  /*
   * Analog capture
   */
  static int cmi9880_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 cmi_spec *spec = codec->spec;
  
  	snd_hda_codec_setup_stream(codec, spec->adc_nids[substream->number],
  				   stream_tag, 0, format);
  	return 0;
  }
  
  static int cmi9880_capture_pcm_cleanup(struct hda_pcm_stream *hinfo,
  				      struct hda_codec *codec,
  				      struct snd_pcm_substream *substream)
  {
  	struct cmi_spec *spec = codec->spec;
  
  	snd_hda_codec_cleanup_stream(codec, spec->adc_nids[substream->number]);
  	return 0;
  }
  
  
  /*
   */
  static const struct hda_pcm_stream cmi9880_pcm_analog_playback = {
  	.substreams = 1,
  	.channels_min = 2,
  	.channels_max = 8,
  	.nid = 0x03, /* NID to query formats and rates */
  	.ops = {
  		.open = cmi9880_playback_pcm_open,
  		.prepare = cmi9880_playback_pcm_prepare,
  		.cleanup = cmi9880_playback_pcm_cleanup
  	},
  };
  
  static const struct hda_pcm_stream cmi9880_pcm_analog_capture = {
  	.substreams = 2,
  	.channels_min = 2,
  	.channels_max = 2,
  	.nid = 0x08, /* NID to query formats and rates */
  	.ops = {
  		.prepare = cmi9880_capture_pcm_prepare,
  		.cleanup = cmi9880_capture_pcm_cleanup
  	},
  };
  
  static const struct hda_pcm_stream cmi9880_pcm_digital_playback = {
  	.substreams = 1,
  	.channels_min = 2,
  	.channels_max = 2,
  	/* NID is set in cmi9880_build_pcms */
  	.ops = {
  		.open = cmi9880_dig_playback_pcm_open,
  		.close = cmi9880_dig_playback_pcm_close,
  		.prepare = cmi9880_dig_playback_pcm_prepare
  	},
  };
  
  static const struct hda_pcm_stream cmi9880_pcm_digital_capture = {
  	.substreams = 1,
  	.channels_min = 2,
  	.channels_max = 2,
  	/* NID is set in cmi9880_build_pcms */
  };
  
  static int cmi9880_build_pcms(struct hda_codec *codec)
  {
  	struct cmi_spec *spec = codec->spec;
  	struct hda_pcm *info = spec->pcm_rec;
  
  	codec->num_pcms = 1;
  	codec->pcm_info = info;
  
  	info->name = "CMI9880";
  	info->stream[SNDRV_PCM_STREAM_PLAYBACK] = cmi9880_pcm_analog_playback;
  	info->stream[SNDRV_PCM_STREAM_CAPTURE] = cmi9880_pcm_analog_capture;
  
  	if (spec->multiout.dig_out_nid || spec->dig_in_nid) {
  		codec->num_pcms++;
  		info++;
  		info->name = "CMI9880 Digital";
  		info->pcm_type = HDA_PCM_TYPE_SPDIF;
  		if (spec->multiout.dig_out_nid) {
  			info->stream[SNDRV_PCM_STREAM_PLAYBACK] = cmi9880_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] = cmi9880_pcm_digital_capture;
  			info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = spec->dig_in_nid;
  		}
  	}
  
  	return 0;
  }
  
  static void cmi9880_free(struct hda_codec *codec)
  {
  	kfree(codec->spec);
  }
  
  /*
   */
  
  static const char * const cmi9880_models[CMI_MODELS] = {
  	[CMI_MINIMAL]	= "minimal",
  	[CMI_MIN_FP]	= "min_fp",
  	[CMI_FULL]	= "full",
  	[CMI_FULL_DIG]	= "full_dig",
  	[CMI_ALLOUT]	= "allout",
  	[CMI_AUTO]	= "auto",
  };
  
  static const struct snd_pci_quirk cmi9880_cfg_tbl[] = {
  	SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", CMI_FULL_DIG),
  	SND_PCI_QUIRK(0x1854, 0x002b, "LG LS75", CMI_MINIMAL),
  	SND_PCI_QUIRK(0x1854, 0x0032, "LG", CMI_FULL_DIG),
  	{} /* terminator */
  };
  
  static const struct hda_codec_ops cmi9880_patch_ops = {
  	.build_controls = cmi9880_build_controls,
  	.build_pcms = cmi9880_build_pcms,
  	.init = cmi9880_init,
  	.free = cmi9880_free,
  };
  #endif /* ENABLE_CMI_STATIC_QUIRKS */
  
  /*
   * stuff for auto-parser
   */
  static const struct hda_codec_ops cmi_auto_patch_ops = {
  	.build_controls = snd_hda_gen_build_controls,
  	.build_pcms = snd_hda_gen_build_pcms,
  	.init = snd_hda_gen_init,
  	.free = snd_hda_gen_free,
  	.unsol_event = snd_hda_jack_unsol_event,
  };
  
  static int cmi_parse_auto_config(struct hda_codec *codec)
  {
  	struct cmi_spec *spec = codec->spec;
  	struct auto_pin_cfg *cfg = &spec->gen.autocfg;
  	int err;
  
  	snd_hda_gen_spec_init(&spec->gen);
  
  	err = snd_hda_parse_pin_defcfg(codec, cfg, NULL, 0);
  	if (err < 0)
  		goto error;
  	err = snd_hda_gen_parse_auto_config(codec, cfg);
  	if (err < 0)
  		goto error;
  
  	codec->patch_ops = cmi_auto_patch_ops;
  	return 0;
  
   error:
  	snd_hda_gen_free(codec);
  	return err;
  }
  
  
  static int patch_cmi9880(struct hda_codec *codec)
  {
  	struct cmi_spec *spec;
  
  	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
  	if (spec == NULL)
  		return -ENOMEM;
  
  	codec->spec = spec;
  #ifdef ENABLE_CMI_STATIC_QUIRKS
  	spec->board_config = snd_hda_check_board_config(codec, CMI_MODELS,
  							cmi9880_models,
  							cmi9880_cfg_tbl);
  	if (spec->board_config < 0) {
  		codec_dbg(codec, "%s: BIOS auto-probing.\n",
  			    codec->chip_name);
  		spec->board_config = CMI_AUTO; /* try everything */
  	}
  
  	if (spec->board_config == CMI_AUTO)
  		return cmi_parse_auto_config(codec);
  
  	/* copy default DAC NIDs */
  	memcpy(spec->dac_nids, cmi9880_dac_nids, sizeof(spec->dac_nids));
  	spec->num_dacs = 4;
  
  	switch (spec->board_config) {
  	case CMI_MINIMAL:
  	case CMI_MIN_FP:
  		spec->channel_modes = cmi9880_channel_modes;
  		if (spec->board_config == CMI_MINIMAL)
  			spec->num_channel_modes = 2;
  		else {
  			spec->front_panel = 1;
  			spec->num_channel_modes = 3;
  		}
  		spec->multiout.max_channels = cmi9880_channel_modes[0].channels;
  		spec->input_mux = &cmi9880_basic_mux;
  		break;
  	case CMI_FULL:
  	case CMI_FULL_DIG:
  		spec->front_panel = 1;
  		spec->multiout.max_channels = 8;
  		spec->input_mux = &cmi9880_basic_mux;
  		if (spec->board_config == CMI_FULL_DIG) {
  			spec->multiout.dig_out_nid = CMI_DIG_OUT_NID;
  			spec->dig_in_nid = CMI_DIG_IN_NID;
  		}
  		break;
  	case CMI_ALLOUT:
  	default:
  		spec->front_panel = 1;
  		spec->multiout.max_channels = 8;
  		spec->no_line_in = 1;
  		spec->input_mux = &cmi9880_no_line_mux;
  		spec->multiout.dig_out_nid = CMI_DIG_OUT_NID;
  		break;
  	}
  
  	spec->multiout.num_dacs = spec->num_dacs;
  	spec->multiout.dac_nids = spec->dac_nids;
  
  	spec->adc_nids = cmi9880_adc_nids;
  
  	codec->patch_ops = cmi9880_patch_ops;
  
  	return 0;
  #else
  	return cmi_parse_auto_config(codec);
  #endif
  }
  
  /*
   * patch entries
   */
  static const struct hda_codec_preset snd_hda_preset_cmedia[] = {
  	{ .id = 0x13f69880, .name = "CMI9880", .patch = patch_cmi9880 },
   	{ .id = 0x434d4980, .name = "CMI9880", .patch = patch_cmi9880 },
  	{} /* terminator */
  };
  
  MODULE_ALIAS("snd-hda-codec-id:13f69880");
  MODULE_ALIAS("snd-hda-codec-id:434d4980");
  
  MODULE_LICENSE("GPL");
  MODULE_DESCRIPTION("C-Media HD-audio codec");
  
  static struct hda_codec_preset_list cmedia_list = {
  	.preset = snd_hda_preset_cmedia,
  	.owner = THIS_MODULE,
  };
  
  static int __init patch_cmedia_init(void)
  {
  	return snd_hda_add_codec_preset(&cmedia_list);
  }
  
  static void __exit patch_cmedia_exit(void)
  {
  	snd_hda_delete_codec_preset(&cmedia_list);
  }
  
  module_init(patch_cmedia_init)
  module_exit(patch_cmedia_exit)
  