patch_analog.c

linux2.6.16版本

{
	static hda_nid_t idx_to_dac[8] = {
		/* A     B     C     D     E     F     G     H */
		0x04, 0x06, 0x05, 0x04, 0x0a, 0x06, 0x05, 0x0a
	};
	static hda_nid_t idx_to_dac_rev2[8] = {
		/* A     B     C     D     E     F     G     H */
		0x04, 0x05, 0x0a, 0x04, 0x06, 0x05, 0x0a, 0x06
	};
	if (codec->revision_id == AD1988A_REV2)
		return idx_to_dac_rev2[idx];
	else
		return idx_to_dac[idx];
}

static hda_nid_t ad1988_boost_nids[8] = {
	0x38, 0x39, 0x3a, 0x3d, 0x3c, 0x3b, 0, 0
};

static int ad1988_pin_idx(hda_nid_t nid)
{
	static hda_nid_t ad1988_io_pins[8] = {
		0x11, 0x14, 0x15, 0x12, 0x17, 0x16, 0x24, 0x25
	};
	int i;
	for (i = 0; i < ARRAY_SIZE(ad1988_io_pins); i++)
		if (ad1988_io_pins[i] == nid)
			return i;
	return 0; /* should be -1 */
}

static int ad1988_pin_to_loopback_idx(hda_nid_t nid)
{
	static int loopback_idx[8] = {
		2, 0, 1, 3, 4, 5, 1, 4
	};
	switch (nid) {
	case AD1988_PIN_CD_NID:
		return 6;
	default:
		return loopback_idx[ad1988_pin_idx(nid)];
	}
}

static int ad1988_pin_to_adc_idx(hda_nid_t nid)
{
	static int adc_idx[8] = {
		0, 1, 2, 8, 4, 3, 6, 7
	};
	switch (nid) {
	case AD1988_PIN_CD_NID:
		return 5;
	default:
		return adc_idx[ad1988_pin_idx(nid)];
	}
}

/* fill in the dac_nids table from the parsed pin configuration */
static int ad1988_auto_fill_dac_nids(struct hda_codec *codec,
				     const struct auto_pin_cfg *cfg)
{
	struct ad198x_spec *spec = codec->spec;
	int i, idx;

	spec->multiout.dac_nids = spec->private_dac_nids;

	/* check the pins hardwired to audio widget */
	for (i = 0; i < cfg->line_outs; i++) {
		idx = ad1988_pin_idx(cfg->line_out_pins[i]);
		spec->multiout.dac_nids[i] = ad1988_idx_to_dac(codec, idx);
	}
	spec->multiout.num_dacs = cfg->line_outs;
	return 0;
}

/* add playback controls from the parsed DAC table */
static int ad1988_auto_create_multi_out_ctls(struct ad198x_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++) {
		hda_nid_t dac = spec->multiout.dac_nids[i];
		if (! dac)
			continue;
		nid = ad1988_mixer_nids[ad1988_pin_idx(cfg->line_out_pins[i])];
		if (i == 2) {
			/* Center/LFE */
			err = add_control(spec, AD_CTL_WIDGET_VOL,
					  "Center Playback Volume",
					  HDA_COMPOSE_AMP_VAL(dac, 1, 0, HDA_OUTPUT));
			if (err < 0)
				return err;
			err = add_control(spec, AD_CTL_WIDGET_VOL,
					  "LFE Playback Volume",
					  HDA_COMPOSE_AMP_VAL(dac, 2, 0, HDA_OUTPUT));
			if (err < 0)
				return err;
			err = add_control(spec, AD_CTL_BIND_MUTE,
					  "Center Playback Switch",
					  HDA_COMPOSE_AMP_VAL(nid, 1, 2, HDA_INPUT));
			if (err < 0)
				return err;
			err = add_control(spec, AD_CTL_BIND_MUTE,
					  "LFE Playback Switch",
					  HDA_COMPOSE_AMP_VAL(nid, 2, 2, HDA_INPUT));
			if (err < 0)
				return err;
		} else {
			sprintf(name, "%s Playback Volume", chname[i]);
			err = add_control(spec, AD_CTL_WIDGET_VOL, name,
					  HDA_COMPOSE_AMP_VAL(dac, 3, 0, HDA_OUTPUT));
			if (err < 0)
				return err;
			sprintf(name, "%s Playback Switch", chname[i]);
			err = add_control(spec, AD_CTL_BIND_MUTE, name,
					  HDA_COMPOSE_AMP_VAL(nid, 3, 2, HDA_INPUT));
			if (err < 0)
				return err;
		}
	}
	return 0;
}

/* add playback controls for speaker and HP outputs */
static int ad1988_auto_create_extra_out(struct hda_codec *codec, hda_nid_t pin,
					const char *pfx)
{
	struct ad198x_spec *spec = codec->spec;
	hda_nid_t nid;
	int idx, err;
	char name[32];

	if (! pin)
		return 0;

	idx = ad1988_pin_idx(pin);
	nid = ad1988_idx_to_dac(codec, idx);
	if (! spec->multiout.dac_nids[0]) {
		/* use this as the primary output */
		spec->multiout.dac_nids[0] = nid;
		if (! spec->multiout.num_dacs)
			spec->multiout.num_dacs = 1;
	} else 
		/* specify the DAC as the extra output */
		spec->multiout.hp_nid = nid;
	/* control HP volume/switch on the output mixer amp */
	sprintf(name, "%s Playback Volume", pfx);
	if ((err = add_control(spec, AD_CTL_WIDGET_VOL, name,
			       HDA_COMPOSE_AMP_VAL(nid, 3, 0, HDA_OUTPUT))) < 0)
		return err;
	nid = ad1988_mixer_nids[idx];
	sprintf(name, "%s Playback Switch", pfx);
	if ((err = add_control(spec, AD_CTL_BIND_MUTE, name,
			       HDA_COMPOSE_AMP_VAL(nid, 3, 2, HDA_INPUT))) < 0)
		return err;
	return 0;
}

/* create input playback/capture controls for the given pin */
static int new_analog_input(struct ad198x_spec *spec, hda_nid_t pin,
			    const char *ctlname, int boost)
{
	char name[32];
	int err, idx;

	sprintf(name, "%s Playback Volume", ctlname);
	idx = ad1988_pin_to_loopback_idx(pin);
	if ((err = add_control(spec, AD_CTL_WIDGET_VOL, name,
			       HDA_COMPOSE_AMP_VAL(0x20, 3, idx, HDA_INPUT))) < 0)
		return err;
	sprintf(name, "%s Playback Switch", ctlname);
	if ((err = add_control(spec, AD_CTL_WIDGET_MUTE, name,
			       HDA_COMPOSE_AMP_VAL(0x20, 3, idx, HDA_INPUT))) < 0)
		return err;
	if (boost) {
		hda_nid_t bnid;
		idx = ad1988_pin_idx(pin);
		bnid = ad1988_boost_nids[idx];
		if (bnid) {
			sprintf(name, "%s Boost", ctlname);
			return add_control(spec, AD_CTL_WIDGET_VOL, name,
					   HDA_COMPOSE_AMP_VAL(bnid, 3, idx, HDA_OUTPUT));

		}
	}
	return 0;
}

/* create playback/capture controls for input pins */
static int ad1988_auto_create_analog_input_ctls(struct ad198x_spec *spec,
						const struct auto_pin_cfg *cfg)
{
	struct hda_input_mux *imux = &spec->private_imux;
	int i, err;

	for (i = 0; i < AUTO_PIN_LAST; i++) {
		err = new_analog_input(spec, cfg->input_pins[i],
				       auto_pin_cfg_labels[i],
				       i <= AUTO_PIN_FRONT_MIC);
		if (err < 0)
			return err;
		imux->items[imux->num_items].label = auto_pin_cfg_labels[i];
		imux->items[imux->num_items].index = ad1988_pin_to_adc_idx(cfg->input_pins[i]);
		imux->num_items++;
	}
	imux->items[imux->num_items].label = "Mix";
	imux->items[imux->num_items].index = 9;
	imux->num_items++;

	if ((err = add_control(spec, AD_CTL_WIDGET_VOL,
			       "Analog Mix Playback Volume",
			       HDA_COMPOSE_AMP_VAL(0x21, 3, 0x0, HDA_OUTPUT))) < 0)
		return err;
	if ((err = add_control(spec, AD_CTL_WIDGET_MUTE,
			       "Analog Mix Playback Switch",
			       HDA_COMPOSE_AMP_VAL(0x21, 3, 0x0, HDA_OUTPUT))) < 0)
		return err;

	return 0;
}

static void ad1988_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);
	switch (nid) {
	case 0x11: /* port-A - DAC 04 */
		snd_hda_codec_write(codec, 0x37, 0, AC_VERB_SET_CONNECT_SEL, 0x01);
		break;
	case 0x14: /* port-B - DAC 06 */
		snd_hda_codec_write(codec, 0x30, 0, AC_VERB_SET_CONNECT_SEL, 0x02);
		break;
	case 0x15: /* port-C - DAC 05 */
		snd_hda_codec_write(codec, 0x31, 0, AC_VERB_SET_CONNECT_SEL, 0x00);
		break;
	case 0x17: /* port-E - DAC 0a */
		snd_hda_codec_write(codec, 0x32, 0, AC_VERB_SET_CONNECT_SEL, 0x01);
		break;
	case 0x13: /* mono - DAC 04 */
		snd_hda_codec_write(codec, 0x36, 0, AC_VERB_SET_CONNECT_SEL, 0x01);
		break;
	}
}

static void ad1988_auto_init_multi_out(struct hda_codec *codec)
{
	struct ad198x_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];
		ad1988_auto_set_output_and_unmute(codec, nid, PIN_OUT, i);
	}
}

static void ad1988_auto_init_extra_out(struct hda_codec *codec)
{
	struct ad198x_spec *spec = codec->spec;
	hda_nid_t pin;

	pin = spec->autocfg.speaker_pin;
	if (pin) /* connect to front */
		ad1988_auto_set_output_and_unmute(codec, pin, PIN_OUT, 0);
	pin = spec->autocfg.hp_pin;
	if (pin) /* connect to front */
		ad1988_auto_set_output_and_unmute(codec, pin, PIN_HP, 0);
}

static void ad1988_auto_init_analog_input(struct hda_codec *codec)
{
	struct ad198x_spec *spec = codec->spec;
	int i, idx;

	for (i = 0; i < AUTO_PIN_LAST; i++) {
		hda_nid_t nid = spec->autocfg.input_pins[i];
		if (! nid)
			continue;
		switch (nid) {
		case 0x15: /* port-C */
			snd_hda_codec_write(codec, 0x33, 0, AC_VERB_SET_CONNECT_SEL, 0x0);
			break;
		case 0x17: /* port-E */
			snd_hda_codec_write(codec, 0x34, 0, AC_VERB_SET_CONNECT_SEL, 0x0);
			break;
		}
		snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_PIN_WIDGET_CONTROL,
				    i <= AUTO_PIN_FRONT_MIC ? PIN_VREF80 : PIN_IN);
		if (nid != AD1988_PIN_CD_NID)
			snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE,
					    AMP_OUT_MUTE);
		idx = ad1988_pin_idx(nid);
		if (ad1988_boost_nids[idx])
			snd_hda_codec_write(codec, ad1988_boost_nids[idx], 0,
					    AC_VERB_SET_AMP_GAIN_MUTE,
					    AMP_OUT_ZERO);
	}
}

/* parse the BIOS configuration and set up the alc_spec */
/* return 1 if successful, 0 if the proper config is not found, or a negative error code */
static int ad1988_parse_auto_config(struct hda_codec *codec)
{
	struct ad198x_spec *spec = codec->spec;
	int err;

	if ((err = snd_hda_parse_pin_def_config(codec, &spec->autocfg, NULL)) < 0)
		return err;
	if ((err = ad1988_auto_fill_dac_nids(codec, &spec->autocfg)) < 0)
		return err;
	if (! spec->autocfg.line_outs && ! spec->autocfg.speaker_pin &&
	    ! spec->autocfg.hp_pin)
		return 0; /* can't find valid BIOS pin config */
	if ((err = ad1988_auto_create_multi_out_ctls(spec, &spec->autocfg)) < 0 ||
	    (err = ad1988_auto_create_extra_out(codec, spec->autocfg.speaker_pin,
						"Speaker")) < 0 ||
	    (err = ad1988_auto_create_extra_out(codec, spec->autocfg.speaker_pin,
						"Headphone")) < 0 ||
	    (err = ad1988_auto_create_analog_input_ctls(spec, &spec->autocfg)) < 0)
		return err;

	spec->multiout.max_channels = spec->multiout.num_dacs * 2;

	if (spec->autocfg.dig_out_pin)
		spec->multiout.dig_out_nid = AD1988_SPDIF_OUT;
	if (spec->autocfg.dig_in_pin)
		spec->dig_in_nid = AD1988_SPDIF_IN;

	if (spec->kctl_alloc)
		spec->mixers[spec->num_mixers++] = spec->kctl_alloc;

	spec->init_verbs[spec->num_init_verbs++] = ad1988_6stack_init_verbs;

	spec->input_mux = &spec->private_imux;

	return 1;
}

/* init callback for auto-configuration model -- overriding the default init */
static int ad1988_auto_init(struct hda_codec *codec)
{
	ad198x_init(codec);
	ad1988_auto_init_multi_out(codec);
	ad1988_auto_init_extra_out(codec);
	ad1988_auto_init_analog_input(codec);
	return 0;
}


/*
 */

static struct hda_board_config ad1988_cfg_tbl[] = {
	{ .modelname = "6stack",	.config = AD1988_6STACK },
	{ .modelname = "6stack-dig",	.config = AD1988_6STACK_DIG },
	{ .modelname = "3stack",	.config = AD1988_3STACK },
	{ .modelname = "3stack-dig",	.config = AD1988_3STACK_DIG },
	{ .modelname = "laptop",	.config = AD1988_LAPTOP },
	{ .modelname = "laptop-dig",	.config = AD1988_LAPTOP_DIG },
	{ .modelname = "auto",		.config = AD1988_AUTO },
	{}
};

static int patch_ad1988(struct hda_codec *codec)
{
	struct ad198x_spec *spec;
	int board_config;

	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
	if (spec == NULL)
		return -ENOMEM;

	init_MUTEX(&spec->amp_mutex);
	codec->spec = spec;

	if (codec->revision_id == AD1988A_REV2)
		snd_printk(KERN_INFO "patch_analog: AD1988A rev.2 is detected, enable workarounds\n");

	board_config = snd_hda_check_board_config(codec, ad1988_cfg_tbl);
	if (board_config < 0 || board_config >= AD1988_MODEL_LAST) {
		printk(KERN_INFO "hda_codec: Unknown model for AD1988, trying auto-probe from BIOS...\n");
		board_config = AD1988_AUTO;
	}

	if (board_config == AD1988_AUTO) {
		/* automatic parse from the BIOS config */
		int err = ad1988_parse_auto_config(codec);
		if (err < 0) {
			ad198x_free(codec);
			return err;
		} else if (! err) {
			printk(KERN_INFO "hda_codec: Cannot set up configuration from BIOS.  Using 6-stack mode...\n");
			board_config = AD1988_6STACK;
		}
	}

	switch (board_config) {
	case AD1988_6STACK:
	case AD1988_6STACK_DIG:
		spec->multiout.max_channels = 8;
		spec->multiout.num_dacs = 4;
		if (codec->revision_id == AD1988A_REV2)
			spec->multiout.dac_nids = ad1988_6stack_dac_nids_rev2;
		else
			spec->multiout.dac_nids = ad1988_6stack_