sound/pci/hda/patch_ca0110.c - kernel/msm-4.9 - Gitiles

 /*
  * HD audio interface patch for Creative X-Fi CA0110-IBG chip
  *
  * Copyright (c) 2008 Takashi Iwai <tiwai@suse.de>
  *
  *  This driver is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation; either version 2 of the License, or
  *  (at your option) any later version.
  *
  *  This driver is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  */

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

 /*
  */

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

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

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

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

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

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

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

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

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

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

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

 /*
  */

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

 	return 0;
 }

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

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

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

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

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

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

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


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

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

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

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

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

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

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

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

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

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

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

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


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

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

 	codec->bus->needs_damn_long_delay = 1;

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

 	codec->patch_ops = ca0110_patch_ops;

 	return 0;

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


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

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

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

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

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

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

 module_init(patch_ca0110_init)
 module_exit(patch_ca0110_exit)
	/*
	* HD audio interface patch for Creative X-Fi CA0110-IBG chip
	*
	* Copyright (c) 2008 Takashi Iwai <tiwai@suse.de>
	*
	* This driver is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation; either version 2 of the License, or
	* (at your option) any later version.
	*
	* This driver is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	*/

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

	/*
	*/

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

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

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

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

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

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

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

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

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

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

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

	/*
	*/

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

	return 0;
	}

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

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

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

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

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

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

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


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

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

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

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

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

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

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

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

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

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

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

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


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

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

	codec->bus->needs_damn_long_delay = 1;

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

	codec->patch_ops = ca0110_patch_ops;

	return 0;

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


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

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

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

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

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

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

	module_init(patch_ca0110_init)
	module_exit(patch_ca0110_exit)