text: /*
   * Universal Interface for Intel High Definition Audio Codec
   *
   * HD audio interface patch for SigmaTel STAC92xx
   *
   * Copyright (c) 2005 Embedded Alley Solutions, Inc.
   * Matt Porter <mporter@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"
  
  #define NUM_CONTROL_ALLOC	32
  #define STAC_HP_EVENT		0x37
  #define STAC_UNSOL_ENABLE 	(AC_USRSP_EN | STAC_HP_EVENT)
  
  #define STAC_REF		0
  #define STAC_D945GTP3		1
  #define STAC_D945GTP5		2
  
  struct sigmatel_spec {
  	struct snd_kcontrol_new *mixers[4];
  	unsigned int num_mixers;
  
  	int board_config;
  	unsigned int surr_switch: 1;
  	unsigned int line_switch: 1;
  	unsigned int mic_switch: 1;
  	unsigned int alt_switch: 1;
  
  	/* playback */
  	struct hda_multi_out multiout;
  	hda_nid_t dac_nids[5];
  
  	/* 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;
  
  	/* pin widgets */
  	hda_nid_t *pin_nids;
  	unsigned int num_pins;
  	unsigned int *pin_configs;
  
  	/* codec specific stuff */
  	struct hda_verb *init;
  	struct snd_kcontrol_new *mixer;
  
  	/* capture source */
  	struct hda_input_mux *input_mux;
  	unsigned int cur_mux[3];
  
  	/* i/o switches */
  	unsigned int io_switch[2];
  
  	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;
  	struct snd_kcontrol_new *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,
  };
  
  static hda_nid_t stac927x_adc_nids[3] = {
          0x07, 0x08, 0x09
  };
  
  static hda_nid_t stac927x_mux_nids[3] = {
          0x15, 0x16, 0x17
  };
  
  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,
  };
  
  static hda_nid_t stac927x_pin_nids[14] = {
  	0x0a, 0x0b, 0x0c, 0x0d, 0x0e,
  	0x0f, 0x10, 0x11, 0x12, 0x13,
  	0x14, 0x21, 0x22, 0x23,
  };
  
  static int stac92xx_mux_enum_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *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(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *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(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *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 struct hda_verb stac927x_core_init[] = {
  	/* set master volume and direct control */	
  	{ 0x24, AC_VERB_SET_VOLUME_KNOB_CONTROL, 0xff},
  	{}
  };
  
  static struct snd_kcontrol_new 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 struct snd_kcontrol_new 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 stac927x_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("InMux Capture Volume", 0x15, 0x0, HDA_OUTPUT),
  	HDA_CODEC_VOLUME("InVol Capture Volume", 0x18, 0x0, HDA_INPUT),
  	HDA_CODEC_MUTE("ADCMux Capture Switch", 0x1b, 0x0, HDA_OUTPUT),
  	{ } /* 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->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;	
  }
  
  static unsigned int ref9200_pin_configs[8] = {
  	0x01c47010, 0x01447010, 0x0221401f, 0x01114010,
  	0x02a19020, 0x01a19021, 0x90100140, 0x01813122,
  };
  
  static unsigned int *stac9200_brd_tbl[] = {
  	ref9200_pin_configs,
  };
  
  static struct hda_board_config stac9200_cfg_tbl[] = {
  	{ .modelname = "ref",
  	  .pci_subvendor = PCI_VENDOR_ID_INTEL,
  	  .pci_subdevice = 0x2668,	/* DFI LanParty */
  	  .config = STAC_REF },
  	{} /* terminator */
  };
  
  static unsigned int ref922x_pin_configs[10] = {
  	0x01014010, 0x01016011, 0x01012012, 0x0221401f,
  	0x01813122, 0x01011014, 0x01441030, 0x01c41030,
  	0x40000100, 0x40000100,
  };
  
  static unsigned int d945gtp3_pin_configs[10] = {
  	0x0221401f, 0x01a19022, 0x01813021, 0x01014010,
  	0x40000100, 0x40000100, 0x40000100, 0x40000100,
  	0x02a19120, 0x40000100,
  };
  
  static unsigned int d945gtp5_pin_configs[10] = {
  	0x0221401f, 0x01011012, 0x01813024, 0x01014010,
  	0x01a19021, 0x01016011, 0x01452130, 0x40000100,
  	0x02a19320, 0x40000100,
  };
  
  static unsigned int *stac922x_brd_tbl[] = {
  	ref922x_pin_configs,
  	d945gtp3_pin_configs,
  	d945gtp5_pin_configs,
  };
  
  static struct hda_board_config stac922x_cfg_tbl[] = {
  	{ .modelname = "ref",
  	  .pci_subvendor = PCI_VENDOR_ID_INTEL,
  	  .pci_subdevice = 0x2668,	/* DFI LanParty */
  	  .config = STAC_REF },		/* SigmaTel reference board */
  	{ .pci_subvendor = PCI_VENDOR_ID_INTEL,
  	  .pci_subdevice = 0x0101,
  	  .config = STAC_D945GTP3 },	/* Intel D945GTP - 3 Stack */
  	{ .pci_subvendor = PCI_VENDOR_ID_INTEL,
  	  .pci_subdevice = 0x0404,
  	  .config = STAC_D945GTP5 },	/* Intel D945GTP - 5 Stack */
  	{ .pci_subvendor = PCI_VENDOR_ID_INTEL,
  	  .pci_subdevice = 0x0303,
  	  .config = STAC_D945GTP5 },	/* Intel D945GNT - 5 Stack */
  	{ .pci_subvendor = PCI_VENDOR_ID_INTEL,
  	  .pci_subdevice = 0x0013,
  	  .config = STAC_D945GTP5 },	/* Intel D955XBK - 5 Stack */
  	{ .pci_subvendor = PCI_VENDOR_ID_INTEL,
  	  .pci_subdevice = 0x0417,
  	  .config = STAC_D945GTP5 },	/* Intel D975XBK - 5 Stack */
  	{} /* terminator */
  };
  
  static unsigned int ref927x_pin_configs[14] = {
  	0x01813122, 0x01a19021, 0x01014010, 0x01016011,
  	0x01012012, 0x01011014, 0x40000100, 0x40000100, 
  	0x40000100, 0x40000100, 0x40000100, 0x01441030,
  	0x01c41030, 0x40000100,
  };
  
  static unsigned int *stac927x_brd_tbl[] = {
  	ref927x_pin_configs,
  };
  
  static struct hda_board_config stac927x_cfg_tbl[] = {
  	{ .modelname = "ref",
  	  .pci_subvendor = PCI_VENDOR_ID_INTEL,
  	  .pci_subdevice = 0x2668,	/* DFI LanParty */
  	  .config = STAC_REF },		/* SigmaTel reference board */
  	{} /* terminator */
  };
  
  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);	
  		snd_printdd(KERN_INFO "hda_codec: pin nid %2.2x pin config %8.8x\n", spec->pin_nids[i], pin_cfg);
  	}
  }
  
  /*
   * Analog playback callbacks
   */
  static int stac92xx_playback_pcm_open(struct hda_pcm_stream *hinfo,
  				      struct hda_codec *codec,
  				      struct snd_pcm_substream *substream)
  {
  	struct sigmatel_spec *spec = codec->spec;
  	return snd_hda_multi_out_analog_open(codec, &spec->multiout, substream);
  }
  
  static int stac92xx_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 sigmatel_spec *spec = codec->spec;
  	return snd_hda_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,
  					struct snd_pcm_substream *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,
  					  struct snd_pcm_substream *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,
  					   struct snd_pcm_substream *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,
  					struct snd_pcm_substream *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,
  					struct snd_pcm_substream *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_alt_playback = {
  	.substreams = 1,
  	.channels_min = 2,
  	.channels_max = 2,
  	.nid = 0x06, /* 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 is set in stac92xx_build_pcms */
  	.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;
  	info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = spec->adc_nids[0];
  
  	if (spec->alt_switch) {
  		codec->num_pcms++;
  		info++;
  		info->name = "STAC92xx Analog Alt";
  		info->stream[SNDRV_PCM_STREAM_PLAYBACK] = stac92xx_pcm_analog_alt_playback;
  	}
  
  	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;
  }
  
  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 int stac92xx_io_switch_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
  {
  	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
  	uinfo->count = 1;
  	uinfo->value.integer.min = 0;
  	uinfo->value.integer.max = 1;
  	return 0;
  }
  
  static int stac92xx_io_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
  {
  	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
  	struct sigmatel_spec *spec = codec->spec;
  	int io_idx = kcontrol-> private_value & 0xff;
  
  	ucontrol->value.integer.value[0] = spec->io_switch[io_idx];
  	return 0;
  }
  
  static int stac92xx_io_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
  {
          struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
  	struct sigmatel_spec *spec = codec->spec;
          hda_nid_t nid = kcontrol->private_value >> 8;
  	int io_idx = kcontrol-> private_value & 0xff;
          unsigned short val = ucontrol->value.integer.value[0];
  
  	spec->io_switch[io_idx] = val;
  
  	if (val)
  		stac92xx_auto_set_pinctl(codec, nid, AC_PINCTL_OUT_EN);
  	else
  		stac92xx_auto_set_pinctl(codec, nid, AC_PINCTL_IN_EN);
  
          return 1;
  }
  
  #define STAC_CODEC_IO_SWITCH(xname, xpval) \
  	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
  	  .name = xname, \
  	  .index = 0, \
            .info = stac92xx_io_switch_info, \
            .get = stac92xx_io_switch_get, \
            .put = stac92xx_io_switch_put, \
            .private_value = xpval, \
  	}
  
  
  enum {
  	STAC_CTL_WIDGET_VOL,
  	STAC_CTL_WIDGET_MUTE,
  	STAC_CTL_WIDGET_IO_SWITCH,
  };
  
  static struct snd_kcontrol_new stac92xx_control_templates[] = {
  	HDA_CODEC_VOLUME(NULL, 0, 0, 0),
  	HDA_CODEC_MUTE(NULL, 0, 0, 0),
  	STAC_CODEC_IO_SWITCH(NULL, 0),
  };
  
  /* add dynamic controls */
  static int stac92xx_add_control(struct sigmatel_spec *spec, int type, const char *name, unsigned long val)
  {
  	struct snd_kcontrol_new *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;
  }
  
  /* flag inputs as additional dynamic lineouts */
  static int stac92xx_add_dyn_out_pins(struct hda_codec *codec, struct auto_pin_cfg *cfg)
  {
  	struct sigmatel_spec *spec = codec->spec;
  
  	switch (cfg->line_outs) {
  	case 3:
  		/* add line-in as side */
  		if (cfg->input_pins[AUTO_PIN_LINE]) {
  			cfg->line_out_pins[3] = cfg->input_pins[AUTO_PIN_LINE];
  			spec->line_switch = 1;
  			cfg->line_outs++;
  		}
  		break;
  	case 2:
  		/* add line-in as clfe and mic as side */
  		if (cfg->input_pins[AUTO_PIN_LINE]) {
  			cfg->line_out_pins[2] = cfg->input_pins[AUTO_PIN_LINE];
  			spec->line_switch = 1;
  			cfg->line_outs++;
  		}
  		if (cfg->input_pins[AUTO_PIN_MIC]) {
  			cfg->line_out_pins[3] = cfg->input_pins[AUTO_PIN_MIC];
  			spec->mic_switch = 1;
  			cfg->line_outs++;
  		}
  		break;
  	case 1:
  		/* add line-in as surr and mic as clfe */
  		if (cfg->input_pins[AUTO_PIN_LINE]) {
  			cfg->line_out_pins[1] = cfg->input_pins[AUTO_PIN_LINE];
  			spec->line_switch = 1;
  			cfg->line_outs++;
  		}
  		if (cfg->input_pins[AUTO_PIN_MIC]) {
  			cfg->line_out_pins[2] = cfg->input_pins[AUTO_PIN_MIC];
  			spec->mic_switch = 1;
  			cfg->line_outs++;
  		}
  		break;
  	}
  
  	return 0;
  }
  
  /*
   * XXX The line_out pin widget connection list may not be set to the
   * desired DAC nid. This is the case on 927x where ports A and B can
   * be routed to several DACs.
   *
   * This requires an analysis of the line-out/hp pin configuration
   * to provide a best fit for pin/DAC configurations that are routable.
   * For now, 927x DAC4 is not supported and 927x DAC1 output to ports
   * A and B is not supported.
   */
  /* 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;
  	}
  
  	if (cfg->line_outs)
  		spec->multiout.num_dacs = cfg->line_outs;
  	else if (cfg->hp_pin) {
  		spec->multiout.dac_nids[0] = snd_hda_codec_read(codec, cfg->hp_pin, 0,
  					AC_VERB_GET_CONNECT_LIST, 0) & 0xff;
  		spec->multiout.num_dacs = 1;
  	}
  
  	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;
  		}
  	}
  
  	if (spec->line_switch)
  		if ((err = stac92xx_add_control(spec, STAC_CTL_WIDGET_IO_SWITCH, "Line In as Output Switch", cfg->input_pins[AUTO_PIN_LINE] << 8)) < 0)
  			return err;
  
  	if (spec->mic_switch)
  		if ((err = stac92xx_add_control(spec, STAC_CTL_WIDGET_IO_SWITCH, "Mic as Output Switch", (cfg->input_pins[AUTO_PIN_MIC] << 8) | 1)) < 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 = get_wcaps(codec, pin);
  	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;
  	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]) {
  			/* Enable active pin widget as an input */
  			stac92xx_auto_set_pinctl(codec, cfg->input_pins[i], AC_PINCTL_IN_EN);
  
  			imux->items[imux->num_items].label = auto_pin_cfg_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_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 stac92xx_parse_auto_config(struct hda_codec *codec, hda_nid_t dig_out, hda_nid_t dig_in)
  {
  	struct sigmatel_spec *spec = codec->spec;
  	int err;
  
  	if ((err = snd_hda_parse_pin_def_config(codec, &spec->autocfg, NULL)) < 0)
  		return err;
  	if (! spec->autocfg.line_outs && ! spec->autocfg.hp_pin)
  		return 0; /* can't find valid pin config */
  	stac92xx_auto_init_multi_out(codec);
  	stac92xx_auto_init_hp_out(codec);
  	if ((err = stac92xx_add_dyn_out_pins(codec, &spec->autocfg)) < 0)
  		return err;
  	if ((err = stac92xx_auto_fill_dac_nids(codec, &spec->autocfg)) < 0)
  		return err;
  
  	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;
  
  	if (spec->autocfg.dig_out_pin) {
  		spec->multiout.dig_out_nid = dig_out;
  		stac92xx_auto_set_pinctl(codec, spec->autocfg.dig_out_pin, AC_PINCTL_OUT_EN);
  	}
  	if (spec->autocfg.dig_in_pin) {
  		spec->dig_in_nid = dig_in;
  		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, NULL)) < 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(struct hda_codec *codec)
  {
  	struct sigmatel_spec *spec = codec->spec;
  
  	snd_hda_sequence_write(codec, spec->init);
  
  	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;
  	spec->board_config = snd_hda_check_board_config(codec, stac9200_cfg_tbl);
  	if (spec->board_config < 0)
                  snd_printdd(KERN_INFO "hda_codec: Unknown model for STAC9200, using BIOS defaults\n");
  	else {
  		spec->num_pins = 8;
  		spec->pin_nids = stac9200_pin_nids;
  		spec->pin_configs = stac9200_brd_tbl[spec->board_config];
  		stac92xx_set_config_regs(codec);
  	}
  
  	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;
  	spec->board_config = snd_hda_check_board_config(codec, stac922x_cfg_tbl);
  	if (spec->board_config < 0)
                  snd_printdd(KERN_INFO "hda_codec: Unknown model for STAC922x, using BIOS defaults\n");
  	else {
  		spec->num_pins = 10;
  		spec->pin_nids = stac922x_pin_nids;
  		spec->pin_configs = stac922x_brd_tbl[spec->board_config];
  		stac92xx_set_config_regs(codec);
  	}
  
  	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 = stac92xx_parse_auto_config(codec, 0x08, 0x09);
  	if (err < 0) {
  		stac92xx_free(codec);
  		return err;
  	}
  
  	codec->patch_ops = stac92xx_patch_ops;
  
  	return 0;
  }
  
  static int patch_stac927x(struct hda_codec *codec)
  {
  	struct sigmatel_spec *spec;
  	int err;
  
  	spec  = kzalloc(sizeof(*spec), GFP_KERNEL);
  	if (spec == NULL)
  		return -ENOMEM;
  
  	codec->spec = spec;
  	spec->board_config = snd_hda_check_board_config(codec, stac927x_cfg_tbl);
  	if (spec->board_config < 0)
                  snd_printdd(KERN_INFO "hda_codec: Unknown model for STAC927x, using BIOS defaults\n");
  	else {
  		spec->num_pins = 14;
  		spec->pin_nids = stac927x_pin_nids;
  		spec->pin_configs = stac927x_brd_tbl[spec->board_config];
  		stac92xx_set_config_regs(codec);
  	}
  
  	spec->adc_nids = stac927x_adc_nids;
  	spec->mux_nids = stac927x_mux_nids;
  	spec->num_muxes = 3;
  
  	spec->init = stac927x_core_init;
  	spec->mixer = stac927x_mixer;
  
  	spec->multiout.dac_nids = spec->dac_nids;
  
  	err = stac92xx_parse_auto_config(codec, 0x1e, 0x20);
  	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 },
   	{ .id = 0x83847620, .name = "STAC9274", .patch = patch_stac927x },
   	{ .id = 0x83847621, .name = "STAC9274D", .patch = patch_stac927x },
   	{ .id = 0x83847622, .name = "STAC9273X", .patch = patch_stac927x },
   	{ .id = 0x83847623, .name = "STAC9273D", .patch = patch_stac927x },
   	{ .id = 0x83847624, .name = "STAC9272X", .patch = patch_stac927x },
   	{ .id = 0x83847625, .name = "STAC9272D", .patch = patch_stac927x },
   	{ .id = 0x83847626, .name = "STAC9271X", .patch = patch_stac927x },
   	{ .id = 0x83847627, .name = "STAC9271D", .patch = patch_stac927x },
   	{ .id = 0x83847628, .name = "STAC9274X5NH", .patch = patch_stac927x },
   	{ .id = 0x83847629, .name = "STAC9274D5NH", .patch = patch_stac927x },
  	{} /* terminator */
  };
  