patch_realtek.c

LINUX 2.6.17.4的源码

/*
 * Universal Interface for Intel High Definition Audio Codec
 *
 * HD audio interface patch for ALC 260/880/882 codecs
 *
 * Copyright (c) 2004 Kailang Yang <[e-mail]>
 *                    PeiSen Hou <[e-mail]>
 *                    Takashi Iwai <[e-mail]>
 *                    Jonathan Woithe <[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
 */

#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 "hda_codec.h"
#include "hda_local.h"


/* ALC880 board config type */
enum {
	ALC880_3ST,
	ALC880_3ST_DIG,
	ALC880_5ST,
	ALC880_5ST_DIG,
	ALC880_W810,
	ALC880_Z71V,
	ALC880_6ST,
	ALC880_6ST_DIG,
	ALC880_F1734,
	ALC880_ASUS,
	ALC880_ASUS_DIG,
	ALC880_ASUS_W1V,
	ALC880_ASUS_DIG2,
	ALC880_UNIWILL_DIG,
	ALC880_CLEVO,
	ALC880_TCL_S700,
	ALC880_LG,
	ALC880_LG_LW,
#ifdef CONFIG_SND_DEBUG
	ALC880_TEST,
#endif
	ALC880_AUTO,
	ALC880_MODEL_LAST /* last tag */
};

/* ALC260 models */
enum {
	ALC260_BASIC,
	ALC260_HP,
	ALC260_HP_3013,
	ALC260_FUJITSU_S702X,
	ALC260_ACER,
#ifdef CONFIG_SND_DEBUG
	ALC260_TEST,
#endif
	ALC260_AUTO,
	ALC260_MODEL_LAST /* last tag */
};

/* ALC262 models */
enum {
	ALC262_BASIC,
	ALC262_FUJITSU,
	ALC262_AUTO,
	ALC262_MODEL_LAST /* last tag */
};

/* ALC861 models */
enum {
	ALC861_3ST,
	ALC861_3ST_DIG,
	ALC861_6ST_DIG,
	ALC861_AUTO,
	ALC861_MODEL_LAST,
};

/* ALC882 models */
enum {
	ALC882_3ST_DIG,
	ALC882_6ST_DIG,
	ALC882_AUTO,
	ALC882_MODEL_LAST,
};

/* for GPIO Poll */
#define GPIO_MASK	0x03

struct alc_spec {
	/* codec parameterization */
	struct snd_kcontrol_new *mixers[5];	/* mixer arrays */
	unsigned int num_mixers;

	const struct hda_verb *init_verbs[5];	/* initialization verbs
						 * don't forget NULL termination!
						 */
	unsigned int num_init_verbs;

	char *stream_name_analog;	/* analog PCM stream */
	struct hda_pcm_stream *stream_analog_playback;
	struct hda_pcm_stream *stream_analog_capture;

	char *stream_name_digital;	/* digital PCM stream */ 
	struct hda_pcm_stream *stream_digital_playback;
	struct hda_pcm_stream *stream_digital_capture;

	/* playback */
	struct hda_multi_out multiout;	/* playback set-up
					 * max_channels, dacs must be set
					 * dig_out_nid and hp_nid are optional
					 */

	/* capture */
	unsigned int num_adc_nids;
	hda_nid_t *adc_nids;
	hda_nid_t dig_in_nid;		/* digital-in NID; optional */

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

	/* channel model */
	const struct hda_channel_mode *channel_mode;
	int num_channel_mode;

	/* PCM information */
	struct hda_pcm pcm_rec[3];	/* used in alc_build_pcms() */

	/* 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[5];

	/* hooks */
	void (*init_hook)(struct hda_codec *codec);
	void (*unsol_event)(struct hda_codec *codec, unsigned int res);

	/* for pin sensing */
	unsigned int sense_updated: 1;
	unsigned int jack_present: 1;
};

/*
 * configuration template - to be copied to the spec instance
 */
struct alc_config_preset {
	struct snd_kcontrol_new *mixers[5]; /* should be identical size with spec */
	const struct hda_verb *init_verbs[5];
	unsigned int num_dacs;
	hda_nid_t *dac_nids;
	hda_nid_t dig_out_nid;		/* optional */
	hda_nid_t hp_nid;		/* optional */
	unsigned int num_adc_nids;
	hda_nid_t *adc_nids;
	hda_nid_t dig_in_nid;
	unsigned int num_channel_mode;
	const struct hda_channel_mode *channel_mode;
	unsigned int num_mux_defs;
	const struct hda_input_mux *input_mux;
	void (*unsol_event)(struct hda_codec *, unsigned int);
	void (*init_hook)(struct hda_codec *);
};


/*
 * input MUX handling
 */
static int alc_mux_enum_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct alc_spec *spec = codec->spec;
	unsigned int mux_idx = snd_ctl_get_ioffidx(kcontrol, &uinfo->id);
	if (mux_idx >= spec->num_mux_defs)
		mux_idx = 0;
	return snd_hda_input_mux_info(&spec->input_mux[mux_idx], uinfo);
}

static int alc_mux_enum_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct alc_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 alc_mux_enum_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct alc_spec *spec = codec->spec;
	unsigned int adc_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
	unsigned int mux_idx = adc_idx >= spec->num_mux_defs ? 0 : adc_idx;
	return snd_hda_input_mux_put(codec, &spec->input_mux[mux_idx], ucontrol,
				     spec->adc_nids[adc_idx], &spec->cur_mux[adc_idx]);
}


/*
 * channel mode setting
 */
static int alc_ch_mode_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct alc_spec *spec = codec->spec;
	return snd_hda_ch_mode_info(codec, uinfo, spec->channel_mode,
				    spec->num_channel_mode);
}

static int alc_ch_mode_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct alc_spec *spec = codec->spec;
	return snd_hda_ch_mode_get(codec, ucontrol, spec->channel_mode,
				   spec->num_channel_mode, spec->multiout.max_channels);
}

static int alc_ch_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct alc_spec *spec = codec->spec;
	return snd_hda_ch_mode_put(codec, ucontrol, spec->channel_mode,
				   spec->num_channel_mode, &spec->multiout.max_channels);
}

/*
 * Control the mode of pin widget settings via the mixer.  "pc" is used
 * instead of "%" to avoid consequences of accidently treating the % as 
 * being part of a format specifier.  Maximum allowed length of a value is
 * 63 characters plus NULL terminator.
 *
 * Note: some retasking pin complexes seem to ignore requests for input
 * states other than HiZ (eg: PIN_VREFxx) and revert to HiZ if any of these
 * are requested.  Therefore order this list so that this behaviour will not
 * cause problems when mixer clients move through the enum sequentially.
 * NIDs 0x0f and 0x10 have been observed to have this behaviour as of
 * March 2006.
 */
static char *alc_pin_mode_names[] = {
	"Mic 50pc bias", "Mic 80pc bias",
	"Line in", "Line out", "Headphone out",
};
static unsigned char alc_pin_mode_values[] = {
	PIN_VREF50, PIN_VREF80, PIN_IN, PIN_OUT, PIN_HP,
};
/* The control can present all 5 options, or it can limit the options based
 * in the pin being assumed to be exclusively an input or an output pin.  In
 * addition, "input" pins may or may not process the mic bias option
 * depending on actual widget capability (NIDs 0x0f and 0x10 don't seem to
 * accept requests for bias as of chip versions up to March 2006) and/or
 * wiring in the computer.
 */
#define ALC_PIN_DIR_IN              0x00
#define ALC_PIN_DIR_OUT             0x01
#define ALC_PIN_DIR_INOUT           0x02
#define ALC_PIN_DIR_IN_NOMICBIAS    0x03
#define ALC_PIN_DIR_INOUT_NOMICBIAS 0x04

/* Info about the pin modes supported by the different pin direction modes. 
 * For each direction the minimum and maximum values are given.
 */
static signed char alc_pin_mode_dir_info[5][2] = {
	{ 0, 2 },    /* ALC_PIN_DIR_IN */
	{ 3, 4 },    /* ALC_PIN_DIR_OUT */
	{ 0, 4 },    /* ALC_PIN_DIR_INOUT */
	{ 2, 2 },    /* ALC_PIN_DIR_IN_NOMICBIAS */
	{ 2, 4 },    /* ALC_PIN_DIR_INOUT_NOMICBIAS */
};
#define alc_pin_mode_min(_dir) (alc_pin_mode_dir_info[_dir][0])
#define alc_pin_mode_max(_dir) (alc_pin_mode_dir_info[_dir][1])
#define alc_pin_mode_n_items(_dir) \
	(alc_pin_mode_max(_dir)-alc_pin_mode_min(_dir)+1)

static int alc_pin_mode_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	unsigned int item_num = uinfo->value.enumerated.item;
	unsigned char dir = (kcontrol->private_value >> 16) & 0xff;

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = alc_pin_mode_n_items(dir);

	if (item_num<alc_pin_mode_min(dir) || item_num>alc_pin_mode_max(dir))
		item_num = alc_pin_mode_min(dir);
	strcpy(uinfo->value.enumerated.name, alc_pin_mode_names[item_num]);
	return 0;
}

static int alc_pin_mode_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	unsigned int i;
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	hda_nid_t nid = kcontrol->private_value & 0xffff;
	unsigned char dir = (kcontrol->private_value >> 16) & 0xff;
	long *valp = ucontrol->value.integer.value;
	unsigned int pinctl = snd_hda_codec_read(codec,nid,0,AC_VERB_GET_PIN_WIDGET_CONTROL,0x00);

	/* Find enumerated value for current pinctl setting */
	i = alc_pin_mode_min(dir);
	while (alc_pin_mode_values[i]!=pinctl && i<=alc_pin_mode_max(dir))
		i++;
	*valp = i<=alc_pin_mode_max(dir)?i:alc_pin_mode_min(dir);
	return 0;
}

static int alc_pin_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	signed int change;
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	hda_nid_t nid = kcontrol->private_value & 0xffff;
	unsigned char dir = (kcontrol->private_value >> 16) & 0xff;
	long val = *ucontrol->value.integer.value;
	unsigned int pinctl = snd_hda_codec_read(codec,nid,0,AC_VERB_GET_PIN_WIDGET_CONTROL,0x00);

	if (val<alc_pin_mode_min(dir) || val>alc_pin_mode_max(dir)) 
		val = alc_pin_mode_min(dir);

	change = pinctl != alc_pin_mode_values[val];
	if (change) {
		/* Set pin mode to that requested */
		snd_hda_codec_write(codec,nid,0,AC_VERB_SET_PIN_WIDGET_CONTROL,
			alc_pin_mode_values[val]);

		/* Also enable the retasking pin's input/output as required 
		 * for the requested pin mode.  Enum values of 2 or less are
		 * input modes.
		 *
		 * Dynamically switching the input/output buffers probably
		 * reduces noise slightly (particularly on input) so we'll
		 * do it.  However, having both input and output buffers
		 * enabled simultaneously doesn't seem to be problematic if
		 * this turns out to be necessary in the future.
		 */
		if (val <= 2) {
			snd_hda_codec_write(codec,nid,0,AC_VERB_SET_AMP_GAIN_MUTE,
				AMP_OUT_MUTE);
			snd_hda_codec_write(codec,nid,0,AC_VERB_SET_AMP_GAIN_MUTE,
				AMP_IN_UNMUTE(0));
		} else {
			snd_hda_codec_write(codec,nid,0,AC_VERB_SET_AMP_GAIN_MUTE,
				AMP_IN_MUTE(0));
			snd_hda_codec_write(codec,nid,0,AC_VERB_SET_AMP_GAIN_MUTE,
				AMP_OUT_UNMUTE);
		}
	}
	return change;
}

#define ALC_PIN_MODE(xname, nid, dir) \
	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0,  \
	  .info = alc_pin_mode_info, \
	  .get = alc_pin_mode_get, \
	  .put = alc_pin_mode_put, \
	  .private_value = nid | (dir<<16) }

/* A switch control for ALC260 GPIO pins.  Multiple GPIOs can be ganged
 * together using a mask with more than one bit set.  This control is
 * currently used only by the ALC260 test model.  At this stage they are not
 * needed for any "production" models.
 */
#ifdef CONFIG_SND_DEBUG
static int alc_gpio_data_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 alc_gpio_data_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	hda_nid_t nid = kcontrol->private_value & 0xffff;
	unsigned char mask = (kcontrol->private_value >> 16) & 0xff;
	long *valp = ucontrol->value.integer.value;
	unsigned int val = snd_hda_codec_read(codec,nid,0,AC_VERB_GET_GPIO_DATA,0x00);

	*valp = (val & mask) != 0;
	return 0;
}
static int alc_gpio_data_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	signed int change;
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);