1 files changed, 445 insertions, 27 deletions

diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index ab125ee0b0f..41f4b691192 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -42,6 +42,77 @@
 
 extern struct snd_kcontrol_new *snd_usb_feature_unit_ctl;
 
+/* private_free callback */
+static void usb_mixer_elem_free(struct snd_kcontrol *kctl)
+{
+	kfree(kctl->private_data);
+	kctl->private_data = NULL;
+}
+
+/* This function allows for the creation of standard UAC controls.
+ * See the quirks for M-Audio FTUs or Ebox-44.
+ * If you don't want to set a TLV callback pass NULL.
+ *
+ * Since there doesn't seem to be a devices that needs a multichannel
+ * version, we keep it mono for simplicity.
+ */
+static int snd_create_std_mono_ctl(struct usb_mixer_interface *mixer,
+				unsigned int unitid,
+				unsigned int control,
+				unsigned int cmask,
+				int val_type,
+				const char *name,
+				snd_kcontrol_tlv_rw_t *tlv_callback)
+{
+	int err;
+	struct usb_mixer_elem_info *cval;
+	struct snd_kcontrol *kctl;
+
+	cval = kzalloc(sizeof(*cval), GFP_KERNEL);
+	if (!cval)
+		return -ENOMEM;
+
+	cval->id = unitid;
+	cval->mixer = mixer;
+	cval->val_type = val_type;
+	cval->channels = 1;
+	cval->control = control;
+	cval->cmask = cmask;
+
+	/* get_min_max() is called only for integer volumes later,
+	 * so provide a short-cut for booleans */
+	cval->min = 0;
+	cval->max = 1;
+	cval->res = 0;
+	cval->dBmin = 0;
+	cval->dBmax = 0;
+
+	/* Create control */
+	kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval);
+	if (!kctl) {
+		kfree(cval);
+		return -ENOMEM;
+	}
+
+	/* Set name */
+	snprintf(kctl->id.name, sizeof(kctl->id.name), name);
+	kctl->private_free = usb_mixer_elem_free;
+
+	/* set TLV */
+	if (tlv_callback) {
+		kctl->tlv.c = tlv_callback;
+		kctl->vd[0].access |=
+			SNDRV_CTL_ELEM_ACCESS_TLV_READ |
+			SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
+	}
+	/* Add control to mixer */
+	err = snd_usb_mixer_add_control(mixer, kctl);
+	if (err < 0)
+		return err;
+
+	return 0;
+}
+
 /*
  * Sound Blaster remote control configuration
  *
@@ -495,60 +566,218 @@ static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer,
 }
 
 /* M-Audio FastTrack Ultra quirks */
+/* FTU Effect switch */
+struct snd_ftu_eff_switch_priv_val {
+	struct usb_mixer_interface *mixer;
+	int cached_value;
+	int is_cached;
+};
 
-/* private_free callback */
-static void usb_mixer_elem_free(struct snd_kcontrol *kctl)
+static int snd_ftu_eff_switch_info(struct snd_kcontrol *kcontrol,
+					struct snd_ctl_elem_info *uinfo)
 {
-	kfree(kctl->private_data);
-	kctl->private_data = NULL;
+	static const char *texts[8] = {"Room 1",
+				       "Room 2",
+				       "Room 3",
+				       "Hall 1",
+				       "Hall 2",
+				       "Plate",
+				       "Delay",
+				       "Echo"
+	};
+
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+	uinfo->count = 1;
+	uinfo->value.enumerated.items = 8;
+	if (uinfo->value.enumerated.item > 7)
+		uinfo->value.enumerated.item = 7;
+	strcpy(uinfo->value.enumerated.name,
+		texts[uinfo->value.enumerated.item]);
+
+	return 0;
 }
 
-static int snd_maudio_ftu_create_ctl(struct usb_mixer_interface *mixer,
-				     int in, int out, const char *name)
+static int snd_ftu_eff_switch_get(struct snd_kcontrol *kctl,
+					struct snd_ctl_elem_value *ucontrol)
 {
-	struct usb_mixer_elem_info *cval;
+	struct snd_usb_audio *chip;
+	struct usb_mixer_interface *mixer;
+	struct snd_ftu_eff_switch_priv_val *pval;
+	int err;
+	unsigned char value[2];
+
+	const int id = 6;
+	const int validx = 1;
+	const int val_len = 2;
+
+	value[0] = 0x00;
+	value[1] = 0x00;
+
+	pval = (struct snd_ftu_eff_switch_priv_val *)
+		kctl->private_value;
+
+	if (pval->is_cached) {
+		ucontrol->value.enumerated.item[0] = pval->cached_value;
+		return 0;
+	}
+
+	mixer = (struct usb_mixer_interface *) pval->mixer;
+	if (snd_BUG_ON(!mixer))
+		return -EINVAL;
+
+	chip = (struct snd_usb_audio *) mixer->chip;
+	if (snd_BUG_ON(!chip))
+		return -EINVAL;
+
+
+	err = snd_usb_ctl_msg(chip->dev,
+			usb_rcvctrlpipe(chip->dev, 0), UAC_GET_CUR,
+			USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
+			validx << 8, snd_usb_ctrl_intf(chip) | (id << 8),
+			value, val_len);
+	if (err < 0)
+		return err;
+
+	ucontrol->value.enumerated.item[0] = value[0];
+	pval->cached_value = value[0];
+	pval->is_cached = 1;
+
+	return 0;
+}
+
+static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl,
+					struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_usb_audio *chip;
+	struct snd_ftu_eff_switch_priv_val *pval;
+
+	struct usb_mixer_interface *mixer;
+	int changed, cur_val, err, new_val;
+	unsigned char value[2];
+
+
+	const int id = 6;
+	const int validx = 1;
+	const int val_len = 2;
+
+	changed = 0;
+
+	pval = (struct snd_ftu_eff_switch_priv_val *)
+		kctl->private_value;
+	cur_val = pval->cached_value;
+	new_val = ucontrol->value.enumerated.item[0];
+
+	mixer = (struct usb_mixer_interface *) pval->mixer;
+	if (snd_BUG_ON(!mixer))
+		return -EINVAL;
+
+	chip = (struct snd_usb_audio *) mixer->chip;
+	if (snd_BUG_ON(!chip))
+		return -EINVAL;
+
+	if (!pval->is_cached) {
+		/* Read current value */
+		err = snd_usb_ctl_msg(chip->dev,
+				usb_rcvctrlpipe(chip->dev, 0), UAC_GET_CUR,
+				USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
+				validx << 8, snd_usb_ctrl_intf(chip) | (id << 8),
+				value, val_len);
+		if (err < 0)
+			return err;
+
+		cur_val = value[0];
+		pval->cached_value = cur_val;
+		pval->is_cached = 1;
+	}
+	/* update value if needed */
+	if (cur_val != new_val) {
+		value[0] = new_val;
+		value[1] = 0;
+		err = snd_usb_ctl_msg(chip->dev,
+				usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR,
+				USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
+				validx << 8, snd_usb_ctrl_intf(chip) | (id << 8),
+				value, val_len);
+		if (err < 0)
+			return err;
+
+		pval->cached_value = new_val;
+		pval->is_cached = 1;
+		changed = 1;
+	}
+
+	return changed;
+}
+
+static int snd_ftu_create_effect_switch(struct usb_mixer_interface *mixer)
+{
+	static struct snd_kcontrol_new template = {
+		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+		.name = "Effect Program Switch",
+		.index = 0,
+		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
+		.info = snd_ftu_eff_switch_info,
+		.get = snd_ftu_eff_switch_get,
+		.put = snd_ftu_eff_switch_put
+	};
+
+	int err;
 	struct snd_kcontrol *kctl;
+	struct snd_ftu_eff_switch_priv_val *pval;
 
-	cval = kzalloc(sizeof(*cval), GFP_KERNEL);
-	if (!cval)
+	pval = kzalloc(sizeof(*pval), GFP_KERNEL);
+	if (!pval)
 		return -ENOMEM;
 
-	cval->id = 5;
-	cval->mixer = mixer;
-	cval->val_type = USB_MIXER_S16;
-	cval->channels = 1;
-	cval->control = out + 1;
-	cval->cmask = 1 << in;
+	pval->cached_value = 0;
+	pval->is_cached = 0;
+	pval->mixer = mixer;
 
-	kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval);
+	template.private_value = (unsigned long) pval;
+	kctl = snd_ctl_new1(&template, mixer->chip);
 	if (!kctl) {
-		kfree(cval);
+		kfree(pval);
 		return -ENOMEM;
 	}
 
-	snprintf(kctl->id.name, sizeof(kctl->id.name), name);
-	kctl->private_free = usb_mixer_elem_free;
-	return snd_usb_mixer_add_control(mixer, kctl);
+	err = snd_ctl_add(mixer->chip->card, kctl);
+	if (err < 0)
+		return err;
+
+	return 0;
 }
 
-static int snd_maudio_ftu_create_mixer(struct usb_mixer_interface *mixer)
+/* Create volume controls for FTU devices*/
+static int snd_ftu_create_volume_ctls(struct usb_mixer_interface *mixer)
 {
 	char name[64];
+	unsigned int control, cmask;
 	int in, out, err;
 
+	const unsigned int id = 5;
+	const int val_type = USB_MIXER_S16;
+
 	for (out = 0; out < 8; out++) {
+		control = out + 1;
 		for (in = 0; in < 8; in++) {
+			cmask = 1 << in;
 			snprintf(name, sizeof(name),
-				 "AIn%d - Out%d Capture Volume", in  + 1, out + 1);
-			err = snd_maudio_ftu_create_ctl(mixer, in, out, name);
+				"AIn%d - Out%d Capture Volume",
+				in  + 1, out + 1);
+			err = snd_create_std_mono_ctl(mixer, id, control,
+							cmask, val_type, name,
+							&snd_usb_mixer_vol_tlv);
 			if (err < 0)
 				return err;
 		}
-
 		for (in = 8; in < 16; in++) {
+			cmask = 1 << in;
 			snprintf(name, sizeof(name),
-				 "DIn%d - Out%d Playback Volume", in - 7, out + 1);
-			err = snd_maudio_ftu_create_ctl(mixer, in, out, name);
+				"DIn%d - Out%d Playback Volume",
+				in - 7, out + 1);
+			err = snd_create_std_mono_ctl(mixer, id, control,
+							cmask, val_type, name,
+							&snd_usb_mixer_vol_tlv);
 			if (err < 0)
 				return err;
 		}
@@ -557,6 +786,191 @@ static int snd_maudio_ftu_create_mixer(struct usb_mixer_interface *mixer)
 	return 0;
 }
 
+/* This control needs a volume quirk, see mixer.c */
+static int snd_ftu_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
+{
+	static const char name[] = "Effect Volume";
+	const unsigned int id = 6;
+	const int val_type = USB_MIXER_U8;
+	const unsigned int control = 2;
+	const unsigned int cmask = 0;
+
+	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
+					name, snd_usb_mixer_vol_tlv);
+}
+
+/* This control needs a volume quirk, see mixer.c */
+static int snd_ftu_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
+{
+	static const char name[] = "Effect Duration";
+	const unsigned int id = 6;
+	const int val_type = USB_MIXER_S16;
+	const unsigned int control = 3;
+	const unsigned int cmask = 0;
+
+	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
+					name, snd_usb_mixer_vol_tlv);
+}
+
+/* This control needs a volume quirk, see mixer.c */
+static int snd_ftu_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
+{
+	static const char name[] = "Effect Feedback Volume";
+	const unsigned int id = 6;
+	const int val_type = USB_MIXER_U8;
+	const unsigned int control = 4;
+	const unsigned int cmask = 0;
+
+	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
+					name, NULL);
+}
+
+static int snd_ftu_create_effect_return_ctls(struct usb_mixer_interface *mixer)
+{
+	unsigned int cmask;
+	int err, ch;
+	char name[48];
+
+	const unsigned int id = 7;
+	const int val_type = USB_MIXER_S16;
+	const unsigned int control = 7;
+
+	for (ch = 0; ch < 4; ++ch) {
+		cmask = 1 << ch;
+		snprintf(name, sizeof(name),
+			"Effect Return %d Volume", ch + 1);
+		err = snd_create_std_mono_ctl(mixer, id, control,
+						cmask, val_type, name,
+						snd_usb_mixer_vol_tlv);
+		if (err < 0)
+			return err;
+	}
+
+	return 0;
+}
+
+static int snd_ftu_create_effect_send_ctls(struct usb_mixer_interface *mixer)
+{
+	unsigned int  cmask;
+	int err, ch;
+	char name[48];
+
+	const unsigned int id = 5;
+	const int val_type = USB_MIXER_S16;
+	const unsigned int control = 9;
+
+	for (ch = 0; ch < 8; ++ch) {
+		cmask = 1 << ch;
+		snprintf(name, sizeof(name),
+			"Effect Send AIn%d Volume", ch + 1);
+		err = snd_create_std_mono_ctl(mixer, id, control, cmask,
+						val_type, name,
+						snd_usb_mixer_vol_tlv);
+		if (err < 0)
+			return err;
+	}
+	for (ch = 8; ch < 16; ++ch) {
+		cmask = 1 << ch;
+		snprintf(name, sizeof(name),
+			"Effect Send DIn%d Volume", ch - 7);
+		err = snd_create_std_mono_ctl(mixer, id, control, cmask,
+						val_type, name,
+						snd_usb_mixer_vol_tlv);
+		if (err < 0)
+			return err;
+	}
+	return 0;
+}
+
+static int snd_ftu_create_mixer(struct usb_mixer_interface *mixer)
+{
+	int err;
+
+	err = snd_ftu_create_volume_ctls(mixer);
+	if (err < 0)
+		return err;
+
+	err = snd_ftu_create_effect_switch(mixer);
+	if (err < 0)
+		return err;
+	err = snd_ftu_create_effect_volume_ctl(mixer);
+	if (err < 0)
+		return err;
+
+	err = snd_ftu_create_effect_duration_ctl(mixer);
+	if (err < 0)
+		return err;
+
+	err = snd_ftu_create_effect_feedback_ctl(mixer);
+	if (err < 0)
+		return err;
+
+	err = snd_ftu_create_effect_return_ctls(mixer);
+	if (err < 0)
+		return err;
+
+	err = snd_ftu_create_effect_send_ctls(mixer);
+	if (err < 0)
+		return err;
+
+	return 0;
+}
+
+
+/*
+ * Create mixer for Electrix Ebox-44
+ *
+ * The mixer units from this device are corrupt, and even where they
+ * are valid they presents mono controls as L and R channels of
+ * stereo. So we create a good mixer in code.
+ */
+
+static int snd_ebox44_create_mixer(struct usb_mixer_interface *mixer)
+{
+	int err;
+
+	err = snd_create_std_mono_ctl(mixer, 4, 1, 0x0, USB_MIXER_INV_BOOLEAN,
+				"Headphone Playback Switch", NULL);
+	if (err < 0)
+		return err;
+	err = snd_create_std_mono_ctl(mixer, 4, 2, 0x1, USB_MIXER_S16,
+				"Headphone A Mix Playback Volume", NULL);
+	if (err < 0)
+		return err;
+	err = snd_create_std_mono_ctl(mixer, 4, 2, 0x2, USB_MIXER_S16,
+				"Headphone B Mix Playback Volume", NULL);
+	if (err < 0)
+		return err;
+
+	err = snd_create_std_mono_ctl(mixer, 7, 1, 0x0, USB_MIXER_INV_BOOLEAN,
+				"Output Playback Switch", NULL);
+	if (err < 0)
+		return err;
+	err = snd_create_std_mono_ctl(mixer, 7, 2, 0x1, USB_MIXER_S16,
+				"Output A Playback Volume", NULL);
+	if (err < 0)
+		return err;
+	err = snd_create_std_mono_ctl(mixer, 7, 2, 0x2, USB_MIXER_S16,
+				"Output B Playback Volume", NULL);
+	if (err < 0)
+		return err;
+
+	err = snd_create_std_mono_ctl(mixer, 10, 1, 0x0, USB_MIXER_INV_BOOLEAN,
+				"Input Capture Switch", NULL);
+	if (err < 0)
+		return err;
+	err = snd_create_std_mono_ctl(mixer, 10, 2, 0x1, USB_MIXER_S16,
+				"Input A Capture Volume", NULL);
+	if (err < 0)
+		return err;
+	err = snd_create_std_mono_ctl(mixer, 10, 2, 0x2, USB_MIXER_S16,
+				"Input B Capture Volume", NULL);
+	if (err < 0)
+		return err;
+
+	return 0;
+}
+
 void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
 			       unsigned char samplerate_id)
 {
@@ -600,7 +1014,7 @@ int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
 
 	case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */
 	case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */
-		err = snd_maudio_ftu_create_mixer(mixer);
+		err = snd_ftu_create_mixer(mixer);
 		break;
 
 	case USB_ID(0x0b05, 0x1739):
@@ -619,6 +1033,10 @@ int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
 				snd_nativeinstruments_ta10_mixers,
 				ARRAY_SIZE(snd_nativeinstruments_ta10_mixers));
 		break;
+
+	case USB_ID(0x200c, 0x1018): /* Electrix Ebox-44 */
+		err = snd_ebox44_create_mixer(mixer);
+		break;
 	}
 
 	return err;