ac97_patch.c

linux2.6.16版本

int patch_ad1886(struct snd_ac97 * ac97)
{
	patch_ad1881(ac97);
	/* Presario700 workaround */
	/* for Jack Sense/SPDIF Register misetting causing */
	snd_ac97_write_cache(ac97, AC97_AD_JACK_SPDIF, 0x0010);
	return 0;
}

/* MISC bits */
#define AC97_AD198X_MBC		0x0003	/* mic boost */
#define AC97_AD198X_MBC_20	0x0000	/* +20dB */
#define AC97_AD198X_MBC_10	0x0001	/* +10dB */
#define AC97_AD198X_MBC_30	0x0002	/* +30dB */
#define AC97_AD198X_VREFD	0x0004	/* VREF high-Z */
#define AC97_AD198X_VREFH	0x0008	/* 2.25V, 3.7V */
#define AC97_AD198X_VREF_0	0x000c	/* 0V */
#define AC97_AD198X_SRU		0x0010	/* sample rate unlock */
#define AC97_AD198X_LOSEL	0x0020	/* LINE_OUT amplifiers input select */
#define AC97_AD198X_2MIC	0x0040	/* 2-channel mic select */
#define AC97_AD198X_SPRD	0x0080	/* SPREAD enable */
#define AC97_AD198X_DMIX0	0x0100	/* downmix mode: 0 = 6-to-4, 1 = 6-to-2 downmix */
#define AC97_AD198X_DMIX1	0x0200	/* downmix mode: 1 = enabled */
#define AC97_AD198X_HPSEL	0x0400	/* headphone amplifier input select */
#define AC97_AD198X_CLDIS	0x0800	/* center/lfe disable */
#define AC97_AD198X_LODIS	0x1000	/* LINE_OUT disable */
#define AC97_AD198X_MSPLT	0x2000	/* mute split */
#define AC97_AD198X_AC97NC	0x4000	/* AC97 no compatible mode */
#define AC97_AD198X_DACZ	0x8000	/* DAC zero-fill mode */


static int snd_ac97_ad198x_spdif_source_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	static char *texts[2] = { "AC-Link", "A/D Converter" };

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 2;
	if (uinfo->value.enumerated.item > 1)
		uinfo->value.enumerated.item = 1;
	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
	return 0;
}

static int snd_ac97_ad198x_spdif_source_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned short val;

	val = ac97->regs[AC97_AD_SERIAL_CFG];
	ucontrol->value.enumerated.item[0] = (val >> 2) & 1;
	return 0;
}

static int snd_ac97_ad198x_spdif_source_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned short val;

	if (ucontrol->value.enumerated.item[0] > 1)
		return -EINVAL;
	val = ucontrol->value.enumerated.item[0] << 2;
	return snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x0004, val);
}

static const struct snd_kcontrol_new snd_ac97_ad198x_spdif_source = {
	.iface	= SNDRV_CTL_ELEM_IFACE_MIXER,
	.name	= SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "Source",
	.info	= snd_ac97_ad198x_spdif_source_info,
	.get	= snd_ac97_ad198x_spdif_source_get,
	.put	= snd_ac97_ad198x_spdif_source_put,
};

static int patch_ad198x_post_spdif(struct snd_ac97 * ac97)
{
 	return patch_build_controls(ac97, &snd_ac97_ad198x_spdif_source, 1);
}

static const struct snd_kcontrol_new snd_ac97_ad1981x_jack_sense[] = {
	AC97_SINGLE("Headphone Jack Sense", AC97_AD_JACK_SPDIF, 11, 1, 0),
	AC97_SINGLE("Line Jack Sense", AC97_AD_JACK_SPDIF, 12, 1, 0),
};

/* black list to avoid HP/Line jack-sense controls
 * (SS vendor << 16 | device)
 */
static unsigned int ad1981_jacks_blacklist[] = {
	0x10140554, /* Thinkpad T42p/R50p */
	0 /* end */
};

static int check_list(struct snd_ac97 *ac97, const unsigned int *list)
{
	u32 subid = ((u32)ac97->subsystem_vendor << 16) | ac97->subsystem_device;
	for (; *list; list++)
		if (*list == subid)
			return 1;
	return 0;
}

static int patch_ad1981a_specific(struct snd_ac97 * ac97)
{
	if (check_list(ac97, ad1981_jacks_blacklist))
		return 0;
	return patch_build_controls(ac97, snd_ac97_ad1981x_jack_sense,
				    ARRAY_SIZE(snd_ac97_ad1981x_jack_sense));
}

static struct snd_ac97_build_ops patch_ad1981a_build_ops = {
	.build_post_spdif = patch_ad198x_post_spdif,
	.build_specific = patch_ad1981a_specific,
#ifdef CONFIG_PM
	.resume = ad18xx_resume
#endif
};

/* white list to enable HP jack-sense bits
 * (SS vendor << 16 | device)
 */
static unsigned int ad1981_jacks_whitelist[] = {
	0x0e11005a, /* HP nc4000/4010 */
	0x103c0890, /* HP nc6000 */
	0x103c0938, /* HP nc4220 */
	0x103c099c, /* HP nx6110 */
	0x103c0944, /* HP nc6220 */
	0x103c0934, /* HP nc8220 */
	0x103c006d, /* HP nx9105 */
	0x17340088, /* FSC Scenic-W */
	0 /* end */
};

static void check_ad1981_hp_jack_sense(struct snd_ac97 *ac97)
{
	if (check_list(ac97, ad1981_jacks_whitelist))
		/* enable headphone jack sense */
		snd_ac97_update_bits(ac97, AC97_AD_JACK_SPDIF, 1<<11, 1<<11);
}

int patch_ad1981a(struct snd_ac97 *ac97)
{
	patch_ad1881(ac97);
	ac97->build_ops = &patch_ad1981a_build_ops;
	snd_ac97_update_bits(ac97, AC97_AD_MISC, AC97_AD198X_MSPLT, AC97_AD198X_MSPLT);
	ac97->flags |= AC97_STEREO_MUTES;
	check_ad1981_hp_jack_sense(ac97);
	return 0;
}

static const struct snd_kcontrol_new snd_ac97_ad198x_2cmic =
AC97_SINGLE("Stereo Mic", AC97_AD_MISC, 6, 1, 0);

static int patch_ad1981b_specific(struct snd_ac97 *ac97)
{
	int err;

	if ((err = patch_build_controls(ac97, &snd_ac97_ad198x_2cmic, 1)) < 0)
		return err;
	if (check_list(ac97, ad1981_jacks_blacklist))
		return 0;
	return patch_build_controls(ac97, snd_ac97_ad1981x_jack_sense,
				    ARRAY_SIZE(snd_ac97_ad1981x_jack_sense));
}

static struct snd_ac97_build_ops patch_ad1981b_build_ops = {
	.build_post_spdif = patch_ad198x_post_spdif,
	.build_specific = patch_ad1981b_specific,
#ifdef CONFIG_PM
	.resume = ad18xx_resume
#endif
};

int patch_ad1981b(struct snd_ac97 *ac97)
{
	patch_ad1881(ac97);
	ac97->build_ops = &patch_ad1981b_build_ops;
	snd_ac97_update_bits(ac97, AC97_AD_MISC, AC97_AD198X_MSPLT, AC97_AD198X_MSPLT);
	ac97->flags |= AC97_STEREO_MUTES;
	check_ad1981_hp_jack_sense(ac97);
	return 0;
}

static int snd_ac97_ad1888_lohpsel_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 snd_ac97_ad1888_lohpsel_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned short val;

	val = ac97->regs[AC97_AD_MISC];
	ucontrol->value.integer.value[0] = !(val & AC97_AD198X_LOSEL);
	return 0;
}

static int snd_ac97_ad1888_lohpsel_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned short val;

	val = !ucontrol->value.integer.value[0]
		? (AC97_AD198X_LOSEL | AC97_AD198X_HPSEL) : 0;
	return snd_ac97_update_bits(ac97, AC97_AD_MISC,
				    AC97_AD198X_LOSEL | AC97_AD198X_HPSEL, val);
}

static int snd_ac97_ad1888_downmix_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	static char *texts[3] = {"Off", "6 -> 4", "6 -> 2"};

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 3;
	if (uinfo->value.enumerated.item > 2)
		uinfo->value.enumerated.item = 2;
	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
	return 0;
}

static int snd_ac97_ad1888_downmix_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned short val;

	val = ac97->regs[AC97_AD_MISC];
	if (!(val & AC97_AD198X_DMIX1))
		ucontrol->value.enumerated.item[0] = 0;
	else
		ucontrol->value.enumerated.item[0] = 1 + ((val >> 8) & 1);
	return 0;
}

static int snd_ac97_ad1888_downmix_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned short val;

	if (ucontrol->value.enumerated.item[0] > 2)
		return -EINVAL;
	if (ucontrol->value.enumerated.item[0] == 0)
		val = 0;
	else
		val = AC97_AD198X_DMIX1 |
			((ucontrol->value.enumerated.item[0] - 1) << 8);
	return snd_ac97_update_bits(ac97, AC97_AD_MISC,
				    AC97_AD198X_DMIX0 | AC97_AD198X_DMIX1, val);
}

static void ad1888_update_jacks(struct snd_ac97 *ac97)
{
	unsigned short val = 0;
	if (! is_shared_linein(ac97))
		val |= (1 << 12);
	if (! is_shared_micin(ac97))
		val |= (1 << 11);
	/* shared Line-In */
	snd_ac97_update_bits(ac97, AC97_AD_MISC, (1 << 11) | (1 << 12), val);
}

static const struct snd_kcontrol_new snd_ac97_ad1888_controls[] = {
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Exchange Front/Surround",
		.info = snd_ac97_ad1888_lohpsel_info,
		.get = snd_ac97_ad1888_lohpsel_get,
		.put = snd_ac97_ad1888_lohpsel_put
	},
	AC97_SINGLE("Spread Front to Surround and Center/LFE", AC97_AD_MISC, 7, 1, 0),
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Downmix",
		.info = snd_ac97_ad1888_downmix_info,
		.get = snd_ac97_ad1888_downmix_get,
		.put = snd_ac97_ad1888_downmix_put
	},
	AC97_SURROUND_JACK_MODE_CTL,
	AC97_CHANNEL_MODE_CTL,

	AC97_SINGLE("Headphone Jack Sense", AC97_AD_JACK_SPDIF, 10, 1, 0),
	AC97_SINGLE("Line Jack Sense", AC97_AD_JACK_SPDIF, 12, 1, 0),
};

static int patch_ad1888_specific(struct snd_ac97 *ac97)
{
	/* rename 0x04 as "Master" and 0x02 as "Master Surround" */
	snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Master Surround Playback");
	snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
	return patch_build_controls(ac97, snd_ac97_ad1888_controls, ARRAY_SIZE(snd_ac97_ad1888_controls));
}

static struct snd_ac97_build_ops patch_ad1888_build_ops = {
	.build_post_spdif = patch_ad198x_post_spdif,
	.build_specific = patch_ad1888_specific,
#ifdef CONFIG_PM
	.resume = ad18xx_resume,
#endif
	.update_jacks = ad1888_update_jacks,
};

int patch_ad1888(struct snd_ac97 * ac97)
{
	unsigned short misc;
	
	patch_ad1881(ac97);
	ac97->build_ops = &patch_ad1888_build_ops;
	/* Switch FRONT/SURROUND LINE-OUT/HP-OUT default connection */
	/* it seems that most vendors connect line-out connector to headphone out of AC'97 */
	/* AD-compatible mode */
	/* Stereo mutes enabled */
	misc = snd_ac97_read(ac97, AC97_AD_MISC);
	snd_ac97_write_cache(ac97, AC97_AD_MISC, misc |
			     AC97_AD198X_LOSEL |
			     AC97_AD198X_HPSEL |
			     AC97_AD198X_MSPLT |
			     AC97_AD198X_AC97NC);
	ac97->flags |= AC97_STEREO_MUTES;
	return 0;
}

static int patch_ad1980_specific(struct snd_ac97 *ac97)
{
	int err;

	if ((err = patch_ad1888_specific(ac97)) < 0)
		return err;
	return patch_build_controls(ac97, &snd_ac97_ad198x_2cmic, 1);
}

static struct snd_ac97_build_ops patch_ad1980_build_ops = {
	.build_post_spdif = patch_ad198x_post_spdif,
	.build_specific = patch_ad1980_specific,
#ifdef CONFIG_PM
	.resume = ad18xx_resume,
#endif
	.update_jacks = ad1888_update_jacks,
};

int patch_ad1980(struct snd_ac97 * ac97)
{
	patch_ad1888(ac97);
	ac97->build_ops = &patch_ad1980_build_ops;
	return 0;
}

static const struct snd_kcontrol_new snd_ac97_ad1985_controls[] = {
	AC97_SINGLE("Exchange Center/LFE", AC97_AD_SERIAL_CFG, 3, 1, 0)
};

static void ad1985_update_jacks(struct snd_ac97 *ac97)
{
	ad1888_update_jacks(ac97);
	snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 1 << 9,
			     is_shared_micin(ac97) ? 0 : 1 << 9);
}

static int patch_ad1985_specific(struct snd_ac97 *ac97)
{
	int err;

	if ((err = patch_ad1980_specific(ac97)) < 0)
		return err;
	return patch_build_controls(ac97, snd_ac97_ad1985_controls, ARRAY_SIZE(snd_ac97_ad1985_controls));
}

static struct snd_ac97_build_ops patch_ad1985_build_ops = {
	.build_post_spdif = patch_ad198x_post_spdif,
	.build_specific = patch_ad1985_specific,
#ifdef CONFIG_PM
	.resume = ad18xx_resume,
#endif
	.update_jacks = ad1985_update_jacks,
};

int patch_ad1985(struct snd_ac97 * ac97)
{
	unsigned short misc;
	
	patch_ad1881(ac97);
	ac97->build_ops = &patch_ad1985_build_ops;
	misc = snd_ac