patch_via.c

linux 内核源代码

/*
 * Universal Interface for Intel High Definition Audio Codec
 *
 * HD audio interface patch for VIA VT1708 codec
 *
 * Copyright (c) 2006 Lydia Wang <[e-mail]>
 *                    Takashi Iwai <[e-mail]>
 *
 *  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
 */

/* * * * * * * * * * * * * * Release History * * * * * * * * * * * * * * * * */
/*                                                                           */
/* 2006-03-03  Lydia Wang  Create the basic patch to support VT1708 codec    */
/* 2006-03-14  Lydia Wang  Modify hard code for some pin widget nid          */
/* 2006-08-02  Lydia Wang  Add support to VT1709 codec                       */
/* 2006-09-08  Lydia Wang  Fix internal loopback recording source select bug */
/*                                                                           */
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */


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


/* amp values */
#define AMP_VAL_IDX_SHIFT	19
#define AMP_VAL_IDX_MASK	(0x0f<<19)

#define NUM_CONTROL_ALLOC	32
#define NUM_VERB_ALLOC		32

/* Pin Widget NID */
#define VT1708_HP_NID		0x13
#define VT1708_DIGOUT_NID	0x14
#define VT1708_DIGIN_NID	0x16

#define VT1709_HP_DAC_NID	0x28
#define VT1709_DIGOUT_NID	0x13
#define VT1709_DIGIN_NID	0x17

#define IS_VT1708_VENDORID(x)		((x) >= 0x11061708 && (x) <= 0x1106170b)
#define IS_VT1709_10CH_VENDORID(x)	((x) >= 0x1106e710 && (x) <= 0x1106e713)
#define IS_VT1709_6CH_VENDORID(x)	((x) >= 0x1106e714 && (x) <= 0x1106e717)


enum {
	VIA_CTL_WIDGET_VOL,
	VIA_CTL_WIDGET_MUTE,
};

enum {
	AUTO_SEQ_FRONT,
	AUTO_SEQ_SURROUND,
	AUTO_SEQ_CENLFE,
	AUTO_SEQ_SIDE
};

static struct snd_kcontrol_new vt1708_control_templates[] = {
	HDA_CODEC_VOLUME(NULL, 0, 0, 0),
	HDA_CODEC_MUTE(NULL, 0, 0, 0),
};


struct via_spec {
	/* codec parameterization */
	struct snd_kcontrol_new *mixers[3];
	unsigned int num_mixers;

	struct hda_verb *init_verbs;

	char *stream_name_analog;
	struct hda_pcm_stream *stream_analog_playback;
	struct hda_pcm_stream *stream_analog_capture;

	char *stream_name_digital;
	struct hda_pcm_stream *stream_digital_playback;
	struct hda_pcm_stream *stream_digital_capture;

	/* playback */
	struct hda_multi_out multiout;

	/* capture */
	unsigned int num_adc_nids;
	hda_nid_t *adc_nids;
	hda_nid_t dig_in_nid;

	/* capture source */
	const struct hda_input_mux *input_mux;
	unsigned int cur_mux[3];

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

	/* dynamic controls, init_verbs 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;
	hda_nid_t private_dac_nids[AUTO_CFG_MAX_OUTS];

#ifdef CONFIG_SND_HDA_POWER_SAVE
	struct hda_loopback_check loopback;
#endif
};

static hda_nid_t vt1708_adc_nids[2] = {
	/* ADC1-2 */
	0x15, 0x27
};

static hda_nid_t vt1709_adc_nids[3] = {
	/* ADC1-2 */
	0x14, 0x15, 0x16
};

/* add dynamic controls */
static int via_add_control(struct via_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;

		/* array + terminator */
		knew = kcalloc(num + 1, sizeof(*knew), GFP_KERNEL);
		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 = vt1708_control_templates[type];
	knew->name = kstrdup(name, GFP_KERNEL);

	if (!knew->name)
		return -ENOMEM;
	knew->private_value = val;
	spec->num_kctl_used++;
	return 0;
}

/* create input playback/capture controls for the given pin */
static int via_new_analog_input(struct via_spec *spec, hda_nid_t pin,
				const char *ctlname, int idx, int mix_nid)
{
	char name[32];
	int err;

	sprintf(name, "%s Playback Volume", ctlname);
	err = via_add_control(spec, VIA_CTL_WIDGET_VOL, name,
			      HDA_COMPOSE_AMP_VAL(mix_nid, 3, idx, HDA_INPUT));
	if (err < 0)
		return err;
	sprintf(name, "%s Playback Switch", ctlname);
	err = via_add_control(spec, VIA_CTL_WIDGET_MUTE, name,
			      HDA_COMPOSE_AMP_VAL(mix_nid, 3, idx, HDA_INPUT));
	if (err < 0)
		return err;
	return 0;
}

static void via_auto_set_output_and_unmute(struct hda_codec *codec,
					   hda_nid_t nid, int pin_type,
					   int dac_idx)
{
	/* set as output */
	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_PIN_WIDGET_CONTROL,
			    pin_type);
	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE,
			    AMP_OUT_UNMUTE);
}


static void via_auto_init_multi_out(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	int i;

	for (i = 0; i <= AUTO_SEQ_SIDE; i++) {
		hda_nid_t nid = spec->autocfg.line_out_pins[i];
		if (nid)
			via_auto_set_output_and_unmute(codec, nid, PIN_OUT, i);
	}
}

static void via_auto_init_hp_out(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	hda_nid_t pin;

	pin = spec->autocfg.hp_pins[0];
	if (pin) /* connect to front */
		via_auto_set_output_and_unmute(codec, pin, PIN_HP, 0);
}

static void via_auto_init_analog_input(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	int i;

	for (i = 0; i < AUTO_PIN_LAST; i++) {
		hda_nid_t nid = spec->autocfg.input_pins[i];

		snd_hda_codec_write(codec, nid, 0,
				    AC_VERB_SET_PIN_WIDGET_CONTROL,
				    (i <= AUTO_PIN_FRONT_MIC ?
				     PIN_VREF50 : PIN_IN));

	}
}
/*
 * input MUX handling
 */
static int via_mux_enum_info(struct snd_kcontrol *kcontrol,
			     struct snd_ctl_elem_info *uinfo)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct via_spec *spec = codec->spec;
	return snd_hda_input_mux_info(spec->input_mux, uinfo);
}

static int via_mux_enum_get(struct snd_kcontrol *kcontrol,
			    struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct via_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 via_mux_enum_put(struct snd_kcontrol *kcontrol,
			    struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct via_spec *spec = codec->spec;
	unsigned int adc_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
	unsigned int vendor_id = codec->vendor_id;

	/* AIW0  lydia 060801 add for correct sw0 input select */
	if (IS_VT1708_VENDORID(vendor_id) && (adc_idx == 0))
		return snd_hda_input_mux_put(codec, spec->input_mux, ucontrol,
					     0x18, &spec->cur_mux[adc_idx]);
	else if ((IS_VT1709_10CH_VENDORID(vendor_id) ||
		  IS_VT1709_6CH_VENDORID(vendor_id)) && (adc_idx == 0) )
		return snd_hda_input_mux_put(codec, spec->input_mux, ucontrol,
					     0x19, &spec->cur_mux[adc_idx]);
	else
		return snd_hda_input_mux_put(codec, spec->input_mux, ucontrol,
					     spec->adc_nids[adc_idx],
					     &spec->cur_mux[adc_idx]);
}

/* capture mixer elements */
static struct snd_kcontrol_new vt1708_capture_mixer[] = {
	HDA_CODEC_VOLUME("Capture Volume", 0x15, 0x0, HDA_INPUT),
	HDA_CODEC_MUTE("Capture Switch", 0x15, 0x0, HDA_INPUT),
	HDA_CODEC_VOLUME_IDX("Capture Volume", 1, 0x27, 0x0, HDA_INPUT),
	HDA_CODEC_MUTE_IDX("Capture Switch", 1, 0x27, 0x0, HDA_INPUT),
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		/* The multiple "Capture Source" controls confuse alsamixer
		 * So call somewhat different..
		 * FIXME: the controls appear in the "playback" view!
		 */
		/* .name = "Capture Source", */
		.name = "Input Source",
		.count = 1,
		.info = via_mux_enum_info,
		.get = via_mux_enum_get,
		.put = via_mux_enum_put,
	},
	{ } /* end */
};
/*
 * generic initialization of ADC, input mixers and output mixers
 */
static struct hda_verb vt1708_volume_init_verbs[] = {
	/*
	 * Unmute ADC0-1 and set the default input to mic-in
	 */
	{0x15, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},
	{0x27, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)},


	/* Mute input amps (CD, Line In, Mic 1 & Mic 2) of the analog-loopback
	 * mixer widget
	 */
	/* Amp Indices: CD = 1, Mic1 = 2, Line = 3, Mic2 = 4 */
	{0x17, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)}, /* master */
	{0x17, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(1)},
	{0x17, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(2)},
	{0x17, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(3)},
	{0x17, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(4)},

	/*
	 * Set up output mixers (0x19 - 0x1b)
	 */
	/* set vol=0 to output mixers */
	{0x19, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_ZERO},
	{0x1a, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_ZERO},
	{0x1b, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_ZERO},
	
	/* Setup default input to PW4 */
	{0x20, AC_VERB_SET_CONNECT_SEL, 0x1},
	/* Set mic as default input of sw0 */
	{0x18, AC_VERB_SET_CONNECT_SEL, 0x2},
	/* PW9 Output enable */
	{0x25, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x40},
};

static int via_playback_pcm_open(struct hda_pcm_stream *hinfo,
				 struct hda_codec *codec,
				 struct snd_pcm_substream *substream)
{
	struct via_spec *spec = codec->spec;
	return snd_hda_multi_out_analog_open(codec, &spec->multiout, substream);
}

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

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

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

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

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

/*
 * Analog capture
 */
static int via_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 via_spec *spec = codec->spec;

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

static int via_capture_pcm_cleanup(struct hda_pcm_stream *hinfo,
				   struct hda_codec *codec,
				   struct snd_pcm_substream *substream)
{
	struct via_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 vt1708_pcm_analog_playback = {
	.substreams = 1,
	.channels_min = 2,
	.channels_max = 8,
	.nid = 0x10, /* NID to query formats and rates */
	.ops = {
		.open = via_playback_pcm_open,
		.prepare = via_playback_pcm_prepare,
		.cleanup = via_playback_pcm_cleanup
	},
};

static struct hda_pcm_stream vt1708_pcm_analog_capture = {
	.substreams = 2,
	.channels_min = 2,
	.channels_max = 2,
	.nid = 0x15, /* NID to query formats and rates */
	.ops = {
		.prepare = via_capture_pcm_prepare,
		.cleanup = via_capture_pcm_cleanup
	},
};

static struct hda_pcm_stream vt1708_pcm_digital_playback = {
	.substreams = 1,
	.channels_min = 2,
	.channels_max = 2,
	/* NID is set in via_build_pcms */
	.ops = {
		.open = via_dig_playback_pcm_open,
		.close = via_dig_playback_pcm_close,
		.prepare = via_dig_playback_pcm_prepare
	},
};

static struct hda_pcm_stream vt1708_pcm_digital_capture = {
	.substreams = 1,
	.channels_min = 2,
	.channels_max = 2,
};

static int via_build_controls(struct hda_codec *codec)
{
	struct via_spec *spec = codec->spec;
	int err;
	int i;

	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);