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

        AC97_SINGLE("Analog to IEC958 Output", AC97_ALC650_MULTICH, 12, 1, 0),
        AC97_SINGLE("IEC958 Input Monitor", AC97_ALC650_MULTICH, 13, 1, 0),
};

static int patch_alc650_specific(ac97_t * ac97)
{
	int err;

	if ((err = patch_build_controls(ac97, snd_ac97_controls_alc650, ARRAY_SIZE(snd_ac97_controls_alc650))) < 0)
		return err;
	if (ac97->ext_id & AC97_EI_SPDIF) {
		if ((err = patch_build_controls(ac97, snd_ac97_spdif_controls_alc650, ARRAY_SIZE(snd_ac97_spdif_controls_alc650))) < 0)
			return err;
	}
	return 0;
}

static struct snd_ac97_build_ops patch_alc650_ops = {
	.build_specific	= patch_alc650_specific
};

int patch_alc650(ac97_t * ac97)
{
	unsigned short val;

	ac97->build_ops = &patch_alc650_ops;

	/* revision E or F */
	/* FIXME: what about revision D ? */
	ac97->spec.dev_flags = (ac97->id == 0x414c4722 ||
				ac97->id == 0x414c4723);

	/* enable AC97_ALC650_GPIO_SETUP, AC97_ALC650_CLOCK for R/W */
	snd_ac97_write_cache(ac97, AC97_ALC650_GPIO_STATUS, 
		snd_ac97_read(ac97, AC97_ALC650_GPIO_STATUS) | 0x8000);

	/* Enable SPDIF-IN only on Rev.E and above */
	val = snd_ac97_read(ac97, AC97_ALC650_CLOCK);
	/* SPDIF IN with pin 47 */
	if (ac97->spec.dev_flags)
		val |= 0x03; /* enable */
	else
		val &= ~0x03; /* disable */
	snd_ac97_write_cache(ac97, AC97_ALC650_CLOCK, val);

	/* set default: slot 3,4,7,8,6,9
	   spdif-in monitor off, analog-spdif off, spdif-in off
	   center on mic off, surround on line-in off
	   downmix off, duplicate front off
	*/
	snd_ac97_write_cache(ac97, AC97_ALC650_MULTICH, 0);

	/* set GPIO0 for mic bias */
	/* GPIO0 pin output, no interrupt, high */
	snd_ac97_write_cache(ac97, AC97_ALC650_GPIO_SETUP,
			     snd_ac97_read(ac97, AC97_ALC650_GPIO_SETUP) | 0x01);
	snd_ac97_write_cache(ac97, AC97_ALC650_GPIO_STATUS,
			     (snd_ac97_read(ac97, AC97_ALC650_GPIO_STATUS) | 0x100) & ~0x10);

	/* full DAC volume */
	snd_ac97_write_cache(ac97, AC97_ALC650_SURR_DAC_VOL, 0x0808);
	snd_ac97_write_cache(ac97, AC97_ALC650_LFE_DAC_VOL, 0x0808);
	return 0;
}

static int snd_ac97_alc655_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_alc655_mic_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
{
        ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
        int change;

	/* misc control; vrefout disable */
	snd_ac97_update_bits(ac97, AC97_ALC650_CLOCK, 1 << 12,
			     ucontrol->value.integer.value[0] ? (1 << 12) : 0);
	change = snd_ac97_update_bits(ac97, AC97_ALC650_MULTICH, 1 << 10,
				      ucontrol->value.integer.value[0] ? (1 << 10) : 0);
	return change;
}


static const snd_kcontrol_new_t snd_ac97_controls_alc655[] = {
	AC97_SINGLE("Duplicate Front", AC97_ALC650_MULTICH, 0, 1, 0),
	AC97_SINGLE("Line-In As Surround", AC97_ALC650_MULTICH, 9, 1, 0),
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Mic As Center/LFE",
		.info = snd_ac97_info_single,
		.get = snd_ac97_alc655_mic_get,
		.put = snd_ac97_alc655_mic_put,
		.private_value = AC97_SINGLE_VALUE(0, 0, 1, 0) /* only mask needed */
	},
};

static int alc655_iec958_route_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
{
	static char *texts_655[3] = { "PCM", "Analog In", "IEC958 In" };
	static char *texts_658[4] = { "PCM", "Analog1 In", "Analog2 In", "IEC958 In" };
	ac97_t *ac97 = snd_kcontrol_chip(kcontrol);

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = ac97->spec.dev_flags ? 4 : 3;
	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
	strcpy(uinfo->value.enumerated.name,
	       ac97->spec.dev_flags ?
	       texts_658[uinfo->value.enumerated.item] :
	       texts_655[uinfo->value.enumerated.item]);
	return 0;

}

static int alc655_iec958_route_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_ALC650_MULTICH];
	val = (val >> 12) & 3;
	if (ac97->spec.dev_flags && val == 3)
		val = 0;
	ucontrol->value.enumerated.item[0] = val;
	return 0;
}

static int alc655_iec958_route_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
	ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
	return snd_ac97_update_bits(ac97, AC97_ALC650_MULTICH, 3 << 12,
				    (unsigned short)ucontrol->value.enumerated.item[0]);
}

static const snd_kcontrol_new_t snd_ac97_spdif_controls_alc655[] = {
        AC97_SINGLE("IEC958 Capture Switch", AC97_ALC650_MULTICH, 11, 1, 0),
        AC97_SINGLE("IEC958 Input Monitor", AC97_ALC650_MULTICH, 14, 1, 0),
	{
		.iface  = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name   = "IEC958 Playback Route",
		.info   = alc655_iec958_route_info,
		.get    = alc655_iec958_route_get,
		.put    = alc655_iec958_route_put,
	},
};

static int patch_alc655_specific(ac97_t * ac97)
{
	int err;

	if ((err = patch_build_controls(ac97, snd_ac97_controls_alc655, ARRAY_SIZE(snd_ac97_controls_alc655))) < 0)
		return err;
	if (ac97->ext_id & AC97_EI_SPDIF) {
		if ((err = patch_build_controls(ac97, snd_ac97_spdif_controls_alc655, ARRAY_SIZE(snd_ac97_spdif_controls_alc655))) < 0)
			return err;
	}
	return 0;
}

static struct snd_ac97_build_ops patch_alc655_ops = {
	.build_specific	= patch_alc655_specific
};

int patch_alc655(ac97_t * ac97)
{
	unsigned int val;

	ac97->spec.dev_flags = (ac97->id == 0x414c4780); /* ALC658 */

	ac97->build_ops = &patch_alc655_ops;

	/* adjust default values */
	val = snd_ac97_read(ac97, 0x7a); /* misc control */
	val |= (1 << 1); /* spdif input pin */
	val &= ~(1 << 12); /* vref enable */
	snd_ac97_write_cache(ac97, 0x7a, val);
	/* set default: spdif-in enabled,
	   spdif-in monitor off, spdif-in PCM off
	   center on mic off, surround on line-in off
	   duplicate front off
	*/
	snd_ac97_write_cache(ac97, AC97_ALC650_MULTICH, 1<<15);

	/* full DAC volume */
	snd_ac97_write_cache(ac97, AC97_ALC650_SURR_DAC_VOL, 0x0808);
	snd_ac97_write_cache(ac97, AC97_ALC650_LFE_DAC_VOL, 0x0808);
	return 0;
}

/*
 * C-Media CM97xx codecs
 */
static const snd_kcontrol_new_t snd_ac97_cm9738_controls[] = {
	AC97_SINGLE("Line-In As Surround", AC97_CM9738_VENDOR_CTRL, 10, 1, 0),
	AC97_SINGLE("Duplicate Front", AC97_CM9738_VENDOR_CTRL, 13, 1, 0),
};

static int patch_cm9738_specific(ac97_t * ac97)
{
	return patch_build_controls(ac97, snd_ac97_cm9738_controls, ARRAY_SIZE(snd_ac97_cm9738_controls));
}

static struct snd_ac97_build_ops patch_cm9738_ops = {
	.build_specific	= patch_cm9738_specific
};

int patch_cm9738(ac97_t * ac97)
{
	ac97->build_ops = &patch_cm9738_ops;
	return 0;
}

static int snd_ac97_cmedia_spdif_playback_source_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
{
	static char *texts[] = { "Analog", "Digital" };

	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_cmedia_spdif_playback_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_CM9739_SPDIF_CTRL];
	ucontrol->value.enumerated.item[0] = (val >> 1) & 0x01;
	return 0;
}

static int snd_ac97_cmedia_spdif_playback_source_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
	ac97_t *ac97 = snd_kcontrol_chip(kcontrol);

	return snd_ac97_update_bits(ac97, AC97_CM9739_SPDIF_CTRL,
				    0x01 << 1, 
				    (ucontrol->value.enumerated.item[0] & 0x01) << 1);
}

static const snd_kcontrol_new_t snd_ac97_cm9739_controls_spdif[] = {
	/* BIT 0: SPDI_EN - always true */
	{ /* BIT 1: SPDIFS */
		.iface	= SNDRV_CTL_ELEM_IFACE_MIXER,
		.name	= SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "Source",
		.info	= snd_ac97_cmedia_spdif_playback_source_info,
		.get	= snd_ac97_cmedia_spdif_playback_source_get,
		.put	= snd_ac97_cmedia_spdif_playback_source_put,
	},
	/* BIT 2: IG_SPIV */
	AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,NONE) "Valid Switch", AC97_CM9739_SPDIF_CTRL, 2, 1, 0),
	/* BIT 3: SPI2F */
	AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,NONE) "Monitor", AC97_CM9739_SPDIF_CTRL, 3, 1, 0), 
	/* BIT 4: SPI2SDI */
	AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), AC97_CM9739_SPDIF_CTRL, 4, 1, 0),
	/* BIT 8: SPD32 - 32bit SPDIF - not supported yet */
};

static int snd_ac97_cm9739_center_mic_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
	ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
	if (ac97->regs[AC97_CM9739_MULTI_CHAN] & 0x1000)
		ucontrol->value.integer.value[0] = 1;
	else
		ucontrol->value.integer.value[0] = 0;
	return 0;
}

static int snd_ac97_cm9739_center_mic_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
	ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
	return snd_ac97_update_bits(ac97, AC97_CM9739_MULTI_CHAN, 0x3000,
				    ucontrol->value.integer.value[0] ? 
				    0x1000 : 0x2000);
}

static const snd_kcontrol_new_t snd_ac97_cm9739_controls[] = {
	AC97_SINGLE("Line-In As Surround", AC97_CM9739_MULTI_CHAN, 10, 1, 0),
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Mic As Center/LFE",
		.info = snd_ac97_info_single,
		.get = snd_ac97_cm9739_center_mic_get,
		.put = snd_ac97_cm9739_center_mic_put,
		.private_value = AC97_SINGLE_VALUE(0, 0, 1, 0) /* only mask needed */
	},
};

static int patch_cm9739_specific(ac97_t * ac97)
{
	return patch_build_controls(ac97, snd_ac97_cm9739_controls, ARRAY_SIZE(snd_ac97_cm9739_controls));
}

static int patch_cm9739_post_spdif(ac97_t * ac97)
{
	return patch_build_controls(ac97, snd_ac97_cm9739_controls_spdif, ARRAY_SIZE(snd_ac97_cm9739_controls_spdif));
}

static struct snd_ac97_build_ops patch_cm9739_ops = {
	.build_specific	= patch_cm9739_specific,
	.build_post_spdif = patch_cm9739_post_spdif
};

int patch_cm9739(ac97_t * ac97)
{
	unsigned short val;

	ac97->build_ops = &patch_cm9739_ops;

	/* check spdif */
	val = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
	if (val & AC97_EA_SPCV) {
		/* enable spdif in */
		snd_ac97_write_cache(ac97, AC97_CM9739_SPDIF_CTRL,
				     snd_ac97_read(ac97, AC97_CM9739_SPDIF_CTRL) | 0x01);
	} else {
		ac97->ext_id &= ~AC97_EI_SPDIF; /* disable extended-id */
	}

	/* set-up multi channel */
	/* bit 14: 0 = SPDIF, 1 = EAPD */
	/* bit 13: enable internal vref output for mic */
	/* bit 12: disable center/lfe (swithable) */
	/* bit 10: disable surround/line (switchable) */
	/* bit 9: mix 2 surround off */
	/* bit 0: dB */
	val = (1 << 13);
	if (! (ac97->ext_id & AC97_EI_SPDIF))
		val |= (1 << 14);
	snd_ac97_write_cache(ac97, AC97_CM9739_MULTI_CHAN, val);

	/* FIXME: set up GPIO */
	snd_ac97_write_cache(ac97, 0x70, 0x0100);
	snd_ac97_write_cache(ac97, 0x72, 0x0020);

	return 0;
}

/*
 * VIA VT1616 codec
 */
static const snd_kcontrol_new_t snd_ac97_controls_vt1616[] = {
AC97_SINGLE("DC Offset removal", 0x5a, 10, 1, 0),
AC97_SINGLE("Alternate Level to Surround Out", 0x5a, 15, 1, 0),
AC97_SINGLE("Downmix LFE and Center to Front", 0x5a, 12, 1, 0),
AC97_SINGLE("Downmix Surround to Front", 0x5a, 11, 1, 0),
};

static int patch_vt1616_specific(ac97_t * ac97)
{
	int err;

	if (snd_ac97_try_bit(ac97, 0x5a, 9))
		if ((err = patch_build_controls(ac97, &snd_ac97_controls_vt1616[0], 1)) < 0)
			return err;
	if ((err = patch_build_controls(ac97, &snd_ac97_controls_vt1616[1], ARRAY_SIZE(snd_ac97_controls_vt1616) - 1)) < 0)
		return err;
	return 0;
}

static struct snd_ac97_build_ops patch_vt1616_ops = {
	.build_specific	= patch_vt1616_specific
};

int patch_vt1616(ac97_t * ac97)
{
	ac97->build_ops = &patch_vt1616_ops;
	return 0;
}

static const snd_kcontrol_new_t snd_ac97_controls_it2646[] = {
	AC97_SINGLE("Line-In As Surround", 0x76, 9, 1, 0),
	AC97_SINGLE("Mic As Center/LFE", 0x76, 10, 1, 0),
};

static const snd_kcontrol_new_t snd_ac97_spdif_controls_it2646[] = {
	AC97_SINGLE("IEC958 Capture Switch", 0x76, 11, 1, 0),
	AC97_SINGLE("Analog to IEC958 Output", 0x76, 12, 1, 0),
	AC97_SINGLE("IEC958 Input Monitor", 0x76, 13, 1, 0),
};

static int patch_it2646_specific(ac97_t * ac97)
{
	int err;
	if ((err = patch_build_controls(ac97, snd_ac97_controls_it2646, ARRAY_SIZE(snd_ac97_controls_it2646))) < 0)
		return err;
	if ((err = patch_build_controls(ac97, snd_ac97_spdif_controls_it2646, ARRAY_SIZE(snd_ac97_spdif_controls_it2646))) < 0)
		return err;
	return 0;
}

static struct snd_ac97_build_ops patch_it2646_ops = {
	.build_specific	= patch_it2646_specific
};

int patch_it2646(ac97_t * ac97)
{
	ac97->build_ops = &patch_it2646_ops;
	/* full DAC volume */
	snd_ac97_write_cache(ac97, 0x5E, 0x0808);
	snd_ac97_write_cache(ac97, 0x7A, 0x0808);
	return 0;
}

/* Si3036/8 specific registers */
#define AC97_SI3036_CHIP_ID     0x5a

int mpatch_si3036(ac97_t * ac97)
{
	//printk("mpatch_si3036: chip id = %x\n", snd_ac97_read(ac97, 0x5a));
	snd_ac97_write_cache(ac97, 0x5c, 0xf210 );
	snd_ac97_write_cache(ac97, 0x68, 0);
	return 0;
}