/* * Universal Interface for Intel High Definition Audio Codec * * HD audio interface patch for SigmaTel STAC92xx * * Copyright (c) 2005 Embedded Alley Solutions, Inc. * <matt@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"#undef STAC_TEST#define NUM_CONTROL_ALLOC	32#define STAC_HP_EVENT		0x37#define STAC_UNSOL_ENABLE 	(AC_USRSP_EN | STAC_HP_EVENT)struct sigmatel_spec {	snd_kcontrol_new_t *mixers[4];	unsigned int num_mixers;	unsigned int surr_switch: 1;	/* playback */	struct hda_multi_out multiout;	hda_nid_t dac_nids[4];	/* 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;#ifdef STAC_TEST	/* pin widgets */	hda_nid_t *pin_nids;	unsigned int num_pins;	unsigned int *pin_configs;#endif	/* codec specific stuff */	struct hda_verb *init;	snd_kcontrol_new_t *mixer;	/* capture source */	struct hda_input_mux *input_mux;	unsigned int cur_mux[2];	/* channel mode */	unsigned int num_ch_modes;	unsigned int cur_ch_mode;	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;	snd_kcontrol_new_t *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,};#ifdef STAC_TESTstatic 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,};#endifstatic int stac92xx_mux_enum_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *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(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *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(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *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 int stac922x_channel_modes[3] = {2, 6, 8};static int stac922x_ch_mode_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo){	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);	struct sigmatel_spec *spec = codec->spec;	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;	uinfo->count = 1;	uinfo->value.enumerated.items = spec->num_ch_modes;	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;	sprintf(uinfo->value.enumerated.name, "%dch",		stac922x_channel_modes[uinfo->value.enumerated.item]);	return 0;}static int stac922x_ch_mode_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol){	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);	struct sigmatel_spec *spec = codec->spec;	ucontrol->value.enumerated.item[0] = spec->cur_ch_mode;	return 0;}static int stac922x_ch_mode_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol){	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);	struct sigmatel_spec *spec = codec->spec;	if (ucontrol->value.enumerated.item[0] >= spec->num_ch_modes)		ucontrol->value.enumerated.item[0] = spec->num_ch_modes;	if (ucontrol->value.enumerated.item[0] == spec->cur_ch_mode &&	    ! codec->in_resume)		return 0;	spec->cur_ch_mode = ucontrol->value.enumerated.item[0];	spec->multiout.max_channels = stac922x_channel_modes[spec->cur_ch_mode];	return 1;}static snd_kcontrol_new_t 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 snd_kcontrol_new_t 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 stac922x_ch_mode_mixer[] = {	{		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,		.name = "Channel Mode",		.info = stac922x_ch_mode_info,		.get = stac922x_ch_mode_get,		.put = stac922x_ch_mode_put,	},	{ } /* 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->surr_switch) {		err = snd_hda_add_new_ctls(codec, stac922x_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);		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;	}#ifdef STAC_TESTstatic unsigned int stac9200_pin_configs[8] = {	0x01c47010, 0x01447010, 0x0221401f, 0x01114010,	0x02a19020, 0x01a19021, 0x90100140, 0x01813122,};static unsigned int stac922x_pin_configs[10] = {	0x01014010, 0x01014011, 0x01014012, 0x0221401f,	0x01813122, 0x01014014, 0x01441030, 0x01c41030,	0x40000100, 0x40000100,};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);			printk("pin nid %2.2x pin config %8.8x\n", spec->pin_nids[i], pin_cfg);	}}#endif/* * Analog playback callbacks */static int stac92xx_playback_pcm_open(struct hda_pcm_stream *hinfo,				      struct hda_codec *codec,				      snd_pcm_substream_t *substream){	struct sigmatel_spec *spec = codec->spec;	return snd_hda_multi_out_analog_open(codec, &spec->multiout, substream);}/* * set up the i/o for analog out * when the digital out is available, copy the front out to digital out, too. */static int stac92xx_multi_out_analog_prepare(struct hda_codec *codec, struct hda_multi_out *mout,				     unsigned int stream_tag,				     unsigned int format,				     snd_pcm_substream_t *substream){	hda_nid_t *nids = mout->dac_nids;	int chs = substream->runtime->channels;	int i;	down(&codec->spdif_mutex);	if (mout->dig_out_nid && mout->dig_out_used != HDA_DIG_EXCLUSIVE) {		if (chs == 2 &&		    snd_hda_is_supported_format(codec, mout->dig_out_nid, format) &&		    ! (codec->spdif_status & IEC958_AES0_NONAUDIO)) {			mout->dig_out_used = HDA_DIG_ANALOG_DUP;			/* setup digital receiver */			snd_hda_codec_setup_stream(codec, mout->dig_out_nid,						   stream_tag, 0, format);		} else {			mout->dig_out_used = 0;			snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0);		}	}	up(&codec->spdif_mutex);	/* front */	snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag, 0, format);	if (mout->hp_nid)		/* headphone out will just decode front left/right (stereo) */		snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag, 0, format);	/* surrounds */	if (mout->max_channels > 2)		for (i = 1; i < mout->num_dacs; i++) {			if ((mout->max_channels == 6) && (i == 3))				break;			if (chs >= (i + 1) * 2) /* independent out */				snd_hda_codec_setup_stream(codec, nids[i], stream_tag, i * 2,						format);			else /* copy front */				snd_hda_codec_setup_stream(codec, nids[i], stream_tag, 0,						format);		}	return 0;}static int stac92xx_playback_pcm_prepare(struct hda_pcm_stream *hinfo,					 struct hda_codec *codec,					 unsigned int stream_tag,					 unsigned int format,					 snd_pcm_substream_t *substream){	struct sigmatel_spec *spec = codec->spec;	return stac92xx_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,					snd_pcm_substream_t *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,					  snd_pcm_substream_t *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,					   snd_pcm_substream_t *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,					snd_pcm_substream_t *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,					snd_pcm_substream_t *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_capture = {	.substreams = 2,	.channels_min = 2,	.channels_max = 2,	.nid = 0x06, /* NID to query formats and rates */	.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;	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;