patch_realtek.c

linux 内核源代码

	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_cache(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_amp_stereo(codec, nid, HDA_OUTPUT, 0,
						 HDA_AMP_MUTE, HDA_AMP_MUTE);
			snd_hda_codec_amp_stereo(codec, nid, HDA_INPUT, 0,
						 HDA_AMP_MUTE, 0);
		} else {
			snd_hda_codec_amp_stereo(codec, nid, HDA_INPUT, 0,
						 HDA_AMP_MUTE, HDA_AMP_MUTE);
			snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
						 HDA_AMP_MUTE, 0);
		}
	}
	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
#define alc_gpio_data_info	snd_ctl_boolean_mono_info

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);
	hda_nid_t nid = kcontrol->private_value & 0xffff;
	unsigned char mask = (kcontrol->private_value >> 16) & 0xff;
	long val = *ucontrol->value.integer.value;
	unsigned int gpio_data = snd_hda_codec_read(codec, nid, 0,
						    AC_VERB_GET_GPIO_DATA,
						    0x00);

	/* Set/unset the masked GPIO bit(s) as needed */
	change = (val == 0 ? 0 : mask) != (gpio_data & mask);
	if (val == 0)
		gpio_data &= ~mask;
	else
		gpio_data |= mask;
	snd_hda_codec_write_cache(codec, nid, 0,
				  AC_VERB_SET_GPIO_DATA, gpio_data);

	return change;
}
#define ALC_GPIO_DATA_SWITCH(xname, nid, mask) \
	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0,  \
	  .info = alc_gpio_data_info, \
	  .get = alc_gpio_data_get, \
	  .put = alc_gpio_data_put, \
	  .private_value = nid | (mask<<16) }
#endif   /* CONFIG_SND_DEBUG */

/* A switch control to allow the enabling of the digital IO pins on the
 * ALC260.  This is incredibly simplistic; the intention of this control is
 * to provide something in the test model allowing digital outputs to be
 * identified if present.  If models are found which can utilise these
 * outputs a more complete mixer control can be devised for those models if
 * necessary.
 */
#ifdef CONFIG_SND_DEBUG
#define alc_spdif_ctrl_info	snd_ctl_boolean_mono_info

static int alc_spdif_ctrl_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_DIGI_CONVERT, 0x00);

	*valp = (val & mask) != 0;
	return 0;
}
static int alc_spdif_ctrl_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 mask = (kcontrol->private_value >> 16) & 0xff;
	long val = *ucontrol->value.integer.value;
	unsigned int ctrl_data = snd_hda_codec_read(codec, nid, 0,
						    AC_VERB_GET_DIGI_CONVERT,
						    0x00);

	/* Set/unset the masked control bit(s) as needed */
	change = (val == 0 ? 0 : mask) != (ctrl_data & mask);
	if (val==0)
		ctrl_data &= ~mask;
	else
		ctrl_data |= mask;
	snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
				  ctrl_data);

	return change;
}
#define ALC_SPDIF_CTRL_SWITCH(xname, nid, mask) \
	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0,  \
	  .info = alc_spdif_ctrl_info, \
	  .get = alc_spdif_ctrl_get, \
	  .put = alc_spdif_ctrl_put, \
	  .private_value = nid | (mask<<16) }
#endif   /* CONFIG_SND_DEBUG */

/*
 * set up from the preset table
 */
static void setup_preset(struct alc_spec *spec,
			 const struct alc_config_preset *preset)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(preset->mixers) && preset->mixers[i]; i++)
		spec->mixers[spec->num_mixers++] = preset->mixers[i];
	for (i = 0; i < ARRAY_SIZE(preset->init_verbs) && preset->init_verbs[i];
	     i++)
		spec->init_verbs[spec->num_init_verbs++] =
			preset->init_verbs[i];
	
	spec->channel_mode = preset->channel_mode;
	spec->num_channel_mode = preset->num_channel_mode;
	spec->need_dac_fix = preset->need_dac_fix;

	spec->multiout.max_channels = spec->channel_mode[0].channels;

	spec->multiout.num_dacs = preset->num_dacs;
	spec->multiout.dac_nids = preset->dac_nids;
	spec->multiout.dig_out_nid = preset->dig_out_nid;
	spec->multiout.hp_nid = preset->hp_nid;
	
	spec->num_mux_defs = preset->num_mux_defs;
	if (!spec->num_mux_defs)
		spec->num_mux_defs = 1;
	spec->input_mux = preset->input_mux;

	spec->num_adc_nids = preset->num_adc_nids;
	spec->adc_nids = preset->adc_nids;
	spec->dig_in_nid = preset->dig_in_nid;

	spec->unsol_event = preset->unsol_event;
	spec->init_hook = preset->init_hook;
#ifdef CONFIG_SND_HDA_POWER_SAVE
	spec->loopback.amplist = preset->loopbacks;
#endif
}

/* Enable GPIO mask and set output */
static struct hda_verb alc_gpio1_init_verbs[] = {
	{0x01, AC_VERB_SET_GPIO_MASK, 0x01},
	{0x01, AC_VERB_SET_GPIO_DIRECTION, 0x01},
	{0x01, AC_VERB_SET_GPIO_DATA, 0x01},
	{ }
};

static struct hda_verb alc_gpio2_init_verbs[] = {
	{0x01, AC_VERB_SET_GPIO_MASK, 0x02},
	{0x01, AC_VERB_SET_GPIO_DIRECTION, 0x02},
	{0x01, AC_VERB_SET_GPIO_DATA, 0x02},
	{ }
};

static struct hda_verb alc_gpio3_init_verbs[] = {
	{0x01, AC_VERB_SET_GPIO_MASK, 0x03},
	{0x01, AC_VERB_SET_GPIO_DIRECTION, 0x03},
	{0x01, AC_VERB_SET_GPIO_DATA, 0x03},
	{ }
};

static void alc_sku_automute(struct hda_codec *codec)
{
	struct alc_spec *spec = codec->spec;
	unsigned int mute;
	unsigned int present;
	unsigned int hp_nid = spec->autocfg.hp_pins[0];
	unsigned int sp_nid = spec->autocfg.speaker_pins[0];

	/* need to execute and sync at first */
	snd_hda_codec_read(codec, hp_nid, 0, AC_VERB_SET_PIN_SENSE, 0);
	present = snd_hda_codec_read(codec, hp_nid, 0,
				     AC_VERB_GET_PIN_SENSE, 0);
	spec->jack_present = (present & 0x80000000) != 0;
	if (spec->jack_present) {
		/* mute internal speaker */
		snd_hda_codec_amp_stereo(codec, sp_nid, HDA_OUTPUT, 0,
					 HDA_AMP_MUTE, HDA_AMP_MUTE);
	} else {
		/* unmute internal speaker if necessary */
		mute = snd_hda_codec_amp_read(codec, hp_nid, 0, HDA_OUTPUT, 0);
		snd_hda_codec_amp_stereo(codec, sp_nid, HDA_OUTPUT, 0,
					 HDA_AMP_MUTE, mute);
	}
}

/* unsolicited event for HP jack sensing */
static void alc_sku_unsol_event(struct hda_codec *codec, unsigned int res)
{
	if (codec->vendor_id == 0x10ec0880)
		res >>= 28;
	else
		res >>= 26;
	if (res != ALC880_HP_EVENT)
		return;

	alc_sku_automute(codec);
}

/* 32-bit subsystem ID for BIOS loading in HD Audio codec.
 *	31 ~ 16 :	Manufacture ID
 *	15 ~ 8	:	SKU ID
 *	7  ~ 0	:	Assembly ID
 *	port-A --> pin 39/41, port-E --> pin 14/15, port-D --> pin 35/36
 */
static void alc_subsystem_id(struct hda_codec *codec,
			     unsigned int porta, unsigned int porte,
			     unsigned int portd)
{
	unsigned int ass, tmp, i;
	unsigned nid;
	struct alc_spec *spec = codec->spec;

	ass = codec->subsystem_id & 0xffff;
	if ((ass != codec->bus->pci->subsystem_device) && (ass & 1))
		goto do_sku;

	/*	
	 * 31~30	: port conetcivity
	 * 29~21	: reserve
	 * 20		: PCBEEP input
	 * 19~16	: Check sum (15:1)
	 * 15~1		: Custom
	 * 0		: override
	*/
	nid = 0x1d;
	if (codec->vendor_id == 0x10ec0260)
		nid = 0x17;
	ass = snd_hda_codec_read(codec, nid, 0,
				 AC_VERB_GET_CONFIG_DEFAULT, 0);
	if (!(ass & 1) && !(ass & 0x100000))
		return;
	if ((ass >> 30) != 1)	/* no physical connection */
		return;

	/* check sum */
	tmp = 0;
	for (i = 1; i < 16; i++) {
		if ((ass >> i) && 1)
			tmp++;
	}
	if (((ass >> 16) & 0xf) != tmp)
		return;
do_sku:
	/*
	 * 0 : override
	 * 1 :	Swap Jack
	 * 2 : 0 --> Desktop, 1 --> Laptop
	 * 3~5 : External Amplifier control
	 * 7~6 : Reserved
	*/
	tmp = (ass & 0x38) >> 3;	/* external Amp control */
	switch (tmp) {
	case 1:
		snd_hda_sequence_write(codec, alc_gpio1_init_verbs);
		break;
	case 3:
		snd_hda_sequence_write(codec, alc_gpio2_init_verbs);
		break;
	case 7:
		snd_hda_sequence_write(codec, alc_gpio3_init_verbs);
		break;
	case 5:	/* set EAPD output high */
		switch (codec->vendor_id) {
		case 0x10ec0260:
			snd_hda_codec_write(codec, 0x0f, 0,
					    AC_VERB_SET_EAPD_BTLENABLE, 2);
			snd_hda_codec_write(codec, 0x10, 0,
					    AC_VERB_SET_EAPD_BTLENABLE, 2);
			break;
		case 0x10ec0262:
		case 0x10ec0267:
		case 0x10ec0268:
		case 0x10ec0269:
		case 0x10ec0862:
		case 0x10ec0662:	
			snd_hda_codec_write(codec, 0x14, 0,
					    AC_VERB_SET_EAPD_BTLENABLE, 2);
			snd_hda_codec_write(codec, 0x15, 0,
					    AC_VERB_SET_EAPD_BTLENABLE, 2);
			break;
		}
		switch (codec->vendor_id) {
		case 0x10ec0260:
			snd_hda_codec_write(codec, 0x1a, 0,
					    AC_VERB_SET_COEF_INDEX, 7);
			tmp = snd_hda_codec_read(codec, 0x1a, 0,
						 AC_VERB_GET_PROC_COEF, 0);
			snd_hda_codec_write(codec, 0x1a, 0,
					    AC_VERB_SET_COEF_INDEX, 7);
			snd_hda_codec_write(codec, 0x1a, 0,
					    AC_VERB_SET_PROC_COEF,
					    tmp | 0x2010);
			break;
		case 0x10ec0262:
		case 0x10ec0880:
		case 0x10ec0882:
		case 0x10ec0883:
		case 0x10ec0885:
		case 0x10ec0888:
			snd_hda_codec_write(codec, 0x20, 0,
					    AC_VERB_SET_COEF_INDEX, 7);
			tmp = snd_hda_codec_read(codec, 0x20, 0,
						 AC_VERB_GET_PROC_COEF, 0);
			snd_hda_codec_write(codec, 0x20, 0,
					    AC_VERB_SET_COEF_INDEX, 7);	
			snd_hda_codec_write(codec, 0x20, 0,
					    AC_VERB_SET_PROC_COEF,
					    tmp | 0x2010);
			break;
		case 0x10ec0267:
		case 0x10ec0268:
			snd_hda_codec_write(codec, 0x20, 0,
					    AC_VERB_SET_COEF_INDEX, 7);
			tmp = snd_hda_codec_read(codec, 0x20, 0,
						 AC_VERB_GET_PROC_COEF, 0);
			snd_hda_codec_write(codec, 0x20, 0,
					    AC_VERB_SET_COEF_INDEX, 7);	
			snd_hda_codec_write(codec, 0x20, 0,
					    AC_VERB_SET_PROC_COEF,
					    tmp | 0x3000);
			break;
		}
	default:
		break;