rme96.c

linux 内核源代码

	return change;
}

static int
snd_rme96_info_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	static char *_texts[5] = { "Optical", "Coaxial", "Internal", "XLR", "Analog" };
	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
	char *texts[5] = { _texts[0], _texts[1], _texts[2], _texts[3], _texts[4] };
	
	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	switch (rme96->pci->device) {
	case PCI_DEVICE_ID_RME_DIGI96:
	case PCI_DEVICE_ID_RME_DIGI96_8:
		uinfo->value.enumerated.items = 3;
		break;
	case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
		uinfo->value.enumerated.items = 4;
		break;
	case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
		if (rme96->rev > 4) {
			/* PST */
			uinfo->value.enumerated.items = 4;
			texts[3] = _texts[4]; /* Analog instead of XLR */
		} else {
			/* PAD */
			uinfo->value.enumerated.items = 5;
		}
		break;
	default:
		snd_BUG();
		break;
	}
	if (uinfo->value.enumerated.item > uinfo->value.enumerated.items - 1) {
		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
	}
	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
	return 0;
}
static int
snd_rme96_get_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
	unsigned int items = 3;
	
	spin_lock_irq(&rme96->lock);
	ucontrol->value.enumerated.item[0] = snd_rme96_getinputtype(rme96);
	
	switch (rme96->pci->device) {
	case PCI_DEVICE_ID_RME_DIGI96:
	case PCI_DEVICE_ID_RME_DIGI96_8:
		items = 3;
		break;
	case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
		items = 4;
		break;
	case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
		if (rme96->rev > 4) {
			/* for handling PST case, (INPUT_ANALOG is moved to INPUT_XLR */
			if (ucontrol->value.enumerated.item[0] == RME96_INPUT_ANALOG) {
				ucontrol->value.enumerated.item[0] = RME96_INPUT_XLR;
			}
			items = 4;
		} else {
			items = 5;
		}
		break;
	default:
		snd_BUG();
		break;
	}
	if (ucontrol->value.enumerated.item[0] >= items) {
		ucontrol->value.enumerated.item[0] = items - 1;
	}
	
	spin_unlock_irq(&rme96->lock);
	return 0;
}
static int
snd_rme96_put_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
	unsigned int val;
	int change, items = 3;
	
	switch (rme96->pci->device) {
	case PCI_DEVICE_ID_RME_DIGI96:
	case PCI_DEVICE_ID_RME_DIGI96_8:
		items = 3;
		break;
	case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
		items = 4;
		break;
	case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
		if (rme96->rev > 4) {
			items = 4;
		} else {
			items = 5;
		}
		break;
	default:
		snd_BUG();
		break;
	}
	val = ucontrol->value.enumerated.item[0] % items;
	
	/* special case for PST */
	if (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && rme96->rev > 4) {
		if (val == RME96_INPUT_XLR) {
			val = RME96_INPUT_ANALOG;
		}
	}
	
	spin_lock_irq(&rme96->lock);
	change = (int)val != snd_rme96_getinputtype(rme96);
	snd_rme96_setinputtype(rme96, val);
	spin_unlock_irq(&rme96->lock);
	return change;
}

static int
snd_rme96_info_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	static char *texts[3] = { "AutoSync", "Internal", "Word" };
	
	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_rme96_get_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
	
	spin_lock_irq(&rme96->lock);
	ucontrol->value.enumerated.item[0] = snd_rme96_getclockmode(rme96);
	spin_unlock_irq(&rme96->lock);
	return 0;
}
static int
snd_rme96_put_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
	unsigned int val;
	int change;
	
	val = ucontrol->value.enumerated.item[0] % 3;
	spin_lock_irq(&rme96->lock);
	change = (int)val != snd_rme96_getclockmode(rme96);
	snd_rme96_setclockmode(rme96, val);
	spin_unlock_irq(&rme96->lock);
	return change;
}

static int
snd_rme96_info_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	static char *texts[4] = { "0 dB", "-6 dB", "-12 dB", "-18 dB" };
	
	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 4;
	if (uinfo->value.enumerated.item > 3) {
		uinfo->value.enumerated.item = 3;
	}
	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
	return 0;
}
static int
snd_rme96_get_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
	
	spin_lock_irq(&rme96->lock);
	ucontrol->value.enumerated.item[0] = snd_rme96_getattenuation(rme96);
	spin_unlock_irq(&rme96->lock);
	return 0;
}
static int
snd_rme96_put_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
	unsigned int val;
	int change;
	
	val = ucontrol->value.enumerated.item[0] % 4;
	spin_lock_irq(&rme96->lock);

	change = (int)val != snd_rme96_getattenuation(rme96);
	snd_rme96_setattenuation(rme96, val);
	spin_unlock_irq(&rme96->lock);
	return change;
}

static int
snd_rme96_info_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	static char *texts[4] = { "1+2", "3+4", "5+6", "7+8" };
	
	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 4;
	if (uinfo->value.enumerated.item > 3) {
		uinfo->value.enumerated.item = 3;
	}
	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
	return 0;
}
static int
snd_rme96_get_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
	
	spin_lock_irq(&rme96->lock);
	ucontrol->value.enumerated.item[0] = snd_rme96_getmontracks(rme96);
	spin_unlock_irq(&rme96->lock);
	return 0;
}
static int
snd_rme96_put_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
	unsigned int val;
	int change;
	
	val = ucontrol->value.enumerated.item[0] % 4;
	spin_lock_irq(&rme96->lock);
	change = (int)val != snd_rme96_getmontracks(rme96);
	snd_rme96_setmontracks(rme96, val);
	spin_unlock_irq(&rme96->lock);
	return change;
}

static u32 snd_rme96_convert_from_aes(struct snd_aes_iec958 *aes)
{
	u32 val = 0;
	val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? RME96_WCR_PRO : 0;
	val |= (aes->status[0] & IEC958_AES0_NONAUDIO) ? RME96_WCR_DOLBY : 0;
	if (val & RME96_WCR_PRO)
		val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
	else
		val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
	return val;
}

static void snd_rme96_convert_to_aes(struct snd_aes_iec958 *aes, u32 val)
{
	aes->status[0] = ((val & RME96_WCR_PRO) ? IEC958_AES0_PROFESSIONAL : 0) |
			 ((val & RME96_WCR_DOLBY) ? IEC958_AES0_NONAUDIO : 0);
	if (val & RME96_WCR_PRO)
		aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
	else
		aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
}

static int snd_rme96_control_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
	uinfo->count = 1;
	return 0;
}

static int snd_rme96_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
	
	snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif);
	return 0;
}

static int snd_rme96_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
	int change;
	u32 val;
	
	val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
	spin_lock_irq(&rme96->lock);
	change = val != rme96->wcreg_spdif;
	rme96->wcreg_spdif = val;
	spin_unlock_irq(&rme96->lock);
	return change;
}

static int snd_rme96_control_spdif_stream_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
	uinfo->count = 1;
	return 0;
}

static int snd_rme96_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
	
	snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif_stream);
	return 0;
}

static int snd_rme96_control_spdif_stream_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
	int change;
	u32 val;
	
	val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
	spin_lock_irq(&rme96->lock);
	change = val != rme96->wcreg_spdif_stream;
	rme96->wcreg_spdif_stream = val;
	rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
	rme96->wcreg |= val;
	writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
	spin_unlock_irq(&rme96->lock);
	return change;
}

static int snd_rme96_control_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
	uinfo->count = 1;
	return 0;
}

static int snd_rme96_control_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	ucontrol->value.iec958.status[0] = kcontrol->private_value;
	return 0;
}

static int
snd_rme96_dac_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
	
        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
        uinfo->count = 2;
        uinfo->value.integer.min = 0;
	uinfo->value.integer.max = RME96_185X_MAX_OUT(rme96);
        return 0;
}

static int
snd_rme96_dac_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
{
	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);

	spin_lock_irq(&rme96->lock);
        u->value.integer.value[0] = rme96->vol[0];
        u->value.integer.value[1] = rme96->vol[1];
	spin_unlock_irq(&rme96->lock);

        return 0;
}

static int
snd_rme96_dac_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
{
	struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
        int change = 0;

	if (!RME96_HAS_ANALOG_OUT(rme96)) {
		return -EINVAL;
	}
	spin_lock_irq(&rme96->lock);
        if (u->value.integer.value[0] != rme96->vol[0]) {
		rme96->vol[0] = u->value.integer.value[0];
                change = 1;
        }
        if (u->value.integer.value[1] != rme96->vol[1]) {
		rme96->vol[1] = u->value.integer.value[1];
                change = 1;
        }
	if (change) {
		snd_rme96_apply_dac_volume(rme96);
	}
	spin_unlock_irq(&rme96->lock);

        return change;
}

static struct snd_kcontrol_new snd_rme96_controls[] = {
{
	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
	.info =		snd_rme96_control_spdif_info,
	.get =		snd_rme96_control_spdif_get,
	.put =		snd_rme96_control_spdif_put
},
{
	.access =	SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
	.info =		snd_rme96_control_spdif_stream_info,
	.get =		snd_rme96_control_spdif_stream_get,
	.put =		snd_rme96_control_spdif_stream_put
},
{
	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
	.info =		snd_rme96_control_spdif_mask_info,
	.get =		snd_rme96_control_spdif_mask_get,
	.private_value = IEC958_AES0_NONAUDIO |
			IEC958_AES0_PROFESSIONAL |
			IEC958_AES0_CON_EMPHASIS
},
{
	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
	.info =		snd_rme96_control_spdif_mask_info,
	.get =		snd_rme96_control_spdif_mask_get,
	.private_value = IEC958_AES0_NONAUDIO |
			IEC958_AES0_PROFESSIONAL |
			IEC958_AES0_PRO_EMPHASIS
},
{
        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
	.name =         "Input Connector",
	.info =         snd_rme96_info_inputtype_control, 
	.get =          snd_rme96_get_inputtype_control,
	.put =          snd_rme96_put_inputtype_control 
},
{
        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
	.name =         "Loopback Input",
	.info =         snd_rme96_info_loopback_control,
	.get =          snd_rme96_get_loopback_control,
	.put =          snd_rme96_put_loopback_control
},
{
        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
	.name =         "Sample Clock Source",
	.info =         snd_rme96_info_clockmode_control, 
	.get =          snd_rme96_get_clockmode_control,
	.put =          snd_rme96_put_clockmode_control
},
{
        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
	.name =         "Monitor Tracks",
	.info =         snd_rme96_info_montracks_control, 
	.get =          snd_rme96_get_montracks_control,
	.put =          snd_rme96_put_montracks_control
},
{
        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
	.name =         "Attenuation",
	.info =         snd_rme96_info_attenuation_control, 
	.get =          snd_rme96_get_attenuation_control,
	.put =