ac97_patch.c

来自「优龙2410linux2.6.8内核源代码」· C语言 代码 · 共 1,701 行 · 第 1/4 页

			num++;
	if (num == 1) {
		/* ok, deselect all ID bits */
		snd_ac97_write_cache(ac97, AC97_AD_CODEC_CFG, 0x0000);
		ac97->spec.ad18xx.codec_cfg[0] = 
			ac97->spec.ad18xx.codec_cfg[1] = 
			ac97->spec.ad18xx.codec_cfg[2] = 0x0000;
	}
	/* required for AD1886/AD1885 combination */
	ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
	if (ac97->spec.ad18xx.id[0]) {
		ac97->id &= 0xffff0000;
		ac97->id |= ac97->spec.ad18xx.id[0];
	}
	return 0;
}

static const snd_kcontrol_new_t snd_ac97_controls_ad1885[] = {
	AC97_SINGLE("Digital Mono Direct", AC97_AD_MISC, 11, 1, 0),
	/* AC97_SINGLE("Digital Audio Mode", AC97_AD_MISC, 12, 1, 0), */ /* seems problematic */
	AC97_SINGLE("Low Power Mixer", AC97_AD_MISC, 14, 1, 0),
	AC97_SINGLE("Zero Fill DAC", AC97_AD_MISC, 15, 1, 0),
};

static int patch_ad1885_specific(ac97_t * ac97)
{
	int err;

	if ((err = patch_build_controls(ac97, snd_ac97_controls_ad1885, ARRAY_SIZE(snd_ac97_controls_ad1885))) < 0)
		return err;
	return 0;
}

static struct snd_ac97_build_ops patch_ad1885_build_ops = {
	.build_specific = &patch_ad1885_specific
};

int patch_ad1885(ac97_t * ac97)
{
	unsigned short jack;

	patch_ad1881(ac97);
	/* This is required to deal with the Intel D815EEAL2 */
	/* i.e. Line out is actually headphone out from codec */

	/* turn off jack sense bits D8 & D9 */
	jack = snd_ac97_read(ac97, AC97_AD_JACK_SPDIF);
	snd_ac97_write_cache(ac97, AC97_AD_JACK_SPDIF, jack | 0x0300);

	/* set default */
	snd_ac97_write_cache(ac97, AC97_AD_MISC, 0x0404);

	ac97->build_ops = &patch_ad1885_build_ops;
	return 0;
}

int patch_ad1886(ac97_t * 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(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * 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(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
	ac97_t *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(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
	ac97_t *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 snd_kcontrol_new_t 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(ac97_t * ac97)
{
 	return patch_build_controls(ac97, &snd_ac97_ad198x_spdif_source, 1);
}

static struct snd_ac97_build_ops patch_ad1981a_build_ops = {
	.build_post_spdif = patch_ad198x_post_spdif
};

int patch_ad1981a(ac97_t *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;
	return 0;
}

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

static int patch_ad1981b_specific(ac97_t *ac97)
{
	return patch_build_controls(ac97, &snd_ac97_ad198x_2cmic, 1);
}

static struct snd_ac97_build_ops patch_ad1981b_build_ops = {
	.build_post_spdif = patch_ad198x_post_spdif,
	.build_specific = patch_ad1981b_specific
};

int patch_ad1981b(ac97_t *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;
	return 0;
}

static int snd_ac97_ad1888_lohpsel_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *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(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t* ucontrol)
{
	ac97_t *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(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
	ac97_t *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(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *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(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t* ucontrol)
{
	ac97_t *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(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
	ac97_t *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 const snd_kcontrol_new_t 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_SINGLE("Surround Jack as Input", AC97_AD_MISC, 12, 1, 0),
	AC97_SINGLE("Center/LFE Jack as Input", AC97_AD_MISC, 11, 1, 0),
};

static int patch_ad1888_specific(ac97_t *ac97)
{
	/* rename 0x04 as "Master" and 0x02 as "Master Surround" */
	snd_ac97_rename_ctl(ac97, "Master Playback Switch", "Master Surround Playback Switch");
	snd_ac97_rename_ctl(ac97, "Master Playback Volume", "Master Surround Playback Volume");
	snd_ac97_rename_ctl(ac97, "Headphone Playback Switch", "Master Playback Switch");
	snd_ac97_rename_ctl(ac97, "Headphone Playback Volume", "Master Playback Volume");
	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
};

int patch_ad1888(ac97_t * 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(ac97_t *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
};

int patch_ad1980(ac97_t * ac97)
{
	patch_ad1888(ac97);
	ac97->build_ops = &patch_ad1980_build_ops;
	return 0;
}

static const snd_kcontrol_new_t snd_ac97_ad1985_controls[] = {
	AC97_SINGLE("Center/LFE Jack as Mic", AC97_AD_SERIAL_CFG, 9, 1, 0),
	AC97_SINGLE("Exchange Center/LFE", AC97_AD_SERIAL_CFG, 3, 1, 0)
};

static int patch_ad1985_specific(ac97_t *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
};

int patch_ad1985(ac97_t * ac97)
{
	unsigned short misc;
	
	patch_ad1881(ac97);
	ac97->build_ops = &patch_ad1985_build_ops;
	misc = snd_ac97_read(ac97, AC97_AD_MISC);
	/* switch front/surround line-out/hp-out */
	/* center/LFE, mic in 3.75V mode */
	/* AD-compatible mode */
	/* Stereo mutes enabled */
	/* in accordance with ADI driver: misc | 0x5c28 */
	snd_ac97_write_cache(ac97, AC97_AD_MISC, misc |
			     AC97_AD198X_VREFH |
			     AC97_AD198X_LOSEL |
			     AC97_AD198X_HPSEL |
			     AC97_AD198X_CLDIS |
			     AC97_AD198X_LODIS |
			     AC97_AD198X_MSPLT |
			     AC97_AD198X_AC97NC);
	ac97->flags |= AC97_STEREO_MUTES;
	/* on AD1985 rev. 3, AC'97 revision bits are zero */
	ac97->ext_id = (ac97->ext_id & ~AC97_EI_REV_MASK) | AC97_EI_REV_23;
	return 0;
}

/*
 * realtek ALC65x codecs
 */
static int snd_ac97_alc650_mic_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
{
        ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
        ucontrol->value.integer.value[0] = (ac97->regs[AC97_ALC650_MULTICH] >> 10) & 1;
        return 0;
}

static int snd_ac97_alc650_mic_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
{
        ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
	int change, val;
	val = !!(snd_ac97_read(ac97, AC97_ALC650_MULTICH) & (1 << 10));
	change = (ucontrol->value.integer.value[0] != val);
	if (change) {
		/* disable/enable vref */
		snd_ac97_update_bits(ac97, AC97_ALC650_CLOCK, 1 << 12,
				     ucontrol->value.integer.value[0] ? (1 << 12) : 0);
		/* turn on/off center-on-mic */
		snd_ac97_update_bits(ac97, AC97_ALC650_MULTICH, 1 << 10,
				     ucontrol->value.integer.value[0] ? (1 << 10) : 0);
		/* GPIO0 high for mic */
		snd_ac97_update_bits(ac97, AC97_ALC650_GPIO_STATUS, 0x100,
				     ucontrol->value.integer.value[0] ? 0 : 0x100);
        }
        return change;
}

static const snd_kcontrol_new_t snd_ac97_controls_alc650[] = {
	AC97_SINGLE("Duplicate Front", AC97_ALC650_MULTICH, 0, 1, 0),
	AC97_SINGLE("Surround Down Mix", AC97_ALC650_MULTICH, 1, 1, 0),
	AC97_SINGLE("Center/LFE Down Mix", AC97_ALC650_MULTICH, 2, 1, 0),
	AC97_SINGLE("Exchange Center/LFE", AC97_ALC650_MULTICH, 3, 1, 0),
	/* 4: Analog Input To Surround */
	/* 5: Analog Input To Center/LFE */
	/* 6: Independent Master Volume Right */
	/* 7: Independent Master Volume Left */
	/* 8: reserved */
	AC97_SINGLE("Line-In As Surround", AC97_ALC650_MULTICH, 9, 1, 0),
	/* 10: mic, see below */
	/* 11-13: in IEC958 controls */
	AC97_SINGLE("Swap Surround Slot", AC97_ALC650_MULTICH, 14, 1, 0),
#if 0 /* always set in patch_alc650 */
	AC97_SINGLE("IEC958 Input Clock Enable", AC97_ALC650_CLOCK, 0, 1, 0),
	AC97_SINGLE("IEC958 Input Pin Enable", AC97_ALC650_CLOCK, 1, 1, 0),
	AC97_SINGLE("Surround DAC Switch", AC97_ALC650_SURR_DAC_VOL, 15, 1, 1),
	AC97_DOUBLE("Surround DAC Volume", AC97_ALC650_SURR_DAC_VOL, 8, 0, 31, 1),
	AC97_SINGLE("Center/LFE DAC Switch", AC97_ALC650_LFE_DAC_VOL, 15, 1, 1),
	AC97_DOUBLE("Center/LFE DAC Volume", AC97_ALC650_LFE_DAC_VOL, 8, 0, 31, 1),
#endif
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Mic As Center/LFE",
		.info = snd_ac97_info_single,
		.get = snd_ac97_alc650_mic_get,
		.put = snd_ac97_alc650_mic_put,
		.private_value = AC97_SINGLE_VALUE(0, 0, 1, 0) /* only mask needed */
	},
};

static const snd_kcontrol_new_t snd_ac97_spdif_controls_alc650[] = {
        AC97_SINGLE("IEC958 Capture Switch", AC97_ALC650_MULTICH, 11, 1, 0),