Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit d2bb390a authored by Detlef Urban's avatar Detlef Urban Committed by Takashi Iwai
Browse files

ALSA: usb-audio: Tascam US-16x08 DSP mixer quirk 



Add mixer quirk for Tascam US-16x08 usb interface.
Even that this is an usb compliant device,
the input channels and DSP functions (EQ/Compressor) aren't accessible
by default.

Signed-off-by: default avatarDetlef Urban <onkel@paraair.de>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent fc0e23fa

sound/usb/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -10,6 +10,7 @@ snd-usb-audio-objs := card.o \ 
			mixer.o \

			mixer_quirks.o \

			mixer_scarlett.o \

			mixer_us16x08.o \

			pcm.o \

			proc.o \

			quirks.o \

sound/usb/mixer_quirks.c

+5 −0
Original line number Diff line number Diff line
@@ -43,6 +43,7 @@ 
#include "mixer.h"

#include "mixer_quirks.h"

#include "mixer_scarlett.h"

#include "mixer_us16x08.h"

#include "helper.h"



extern struct snd_kcontrol_new *snd_usb_feature_unit_ctl;
@@ -1729,6 +1730,10 @@ int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer) 
		return err;



	switch (mixer->chip->usb_id) {

	/* Tascam US-16x08 */

	case USB_ID(0x0644, 0x8047):

		err = snd_us16x08_controls_create(mixer);

		break;

	case USB_ID(0x041e, 0x3020):

	case USB_ID(0x041e, 0x3040):

	case USB_ID(0x041e, 0x3042):

sound/usb/mixer_us16x08.c

0 → 100644
+1465 −0

File added.

Preview size limit exceeded, changes collapsed.

sound/usb/mixer_us16x08.h

0 → 100644
+122 −0
Original line number Diff line number Diff line 
#ifndef __USB_MIXER_US16X08_H

#define __USB_MIXER_US16X08_H



#define SND_US16X08_MAX_CHANNELS 16



/* define some bias, cause some alsa-mixers wont work with

 * negative ranges or if mixer-min != 0

 */

#define SND_US16X08_NO_BIAS 0

#define SND_US16X08_FADER_BIAS 127

#define SND_US16X08_EQ_HIGHFREQ_BIAS 0x20

#define SND_US16X08_COMP_THRESHOLD_BIAS 0x20

#define SND_US16X08_COMP_ATTACK_BIAS 2

#define SND_US16X08_COMP_RELEASE_BIAS 1



/* get macro for components of kcontrol private_value */

#define SND_US16X08_KCBIAS(x) (((x)->private_value >> 24) & 0xff)

#define SND_US16X08_KCSTEP(x) (((x)->private_value >> 16) & 0xff)

#define SND_US16X08_KCMIN(x) (((x)->private_value >> 8) & 0xff)

#define SND_US16X08_KCMAX(x) (((x)->private_value >> 0) & 0xff)

/* set macro for kcontrol private_value */

#define SND_US16X08_KCSET(bias, step, min, max)  \

	(((bias) << 24) | ((step) << 16) | ((min) << 8) | (max))



/* the URB request/type to control Tascam mixers */

#define SND_US16X08_URB_REQUEST 0x1D

#define SND_US16X08_URB_REQUESTTYPE 0x40



/* the URB params to retrieve meter ranges */

#define SND_US16X08_URB_METER_REQUEST       0x1e

#define SND_US16X08_URB_METER_REQUESTTYPE   0xc0



#define MUA0(x, y) ((x)[(y) * 10 + 4])

#define MUA1(x, y) ((x)[(y) * 10 + 5])

#define MUA2(x, y) ((x)[(y) * 10 + 6])

#define MUB0(x, y) ((x)[(y) * 10 + 7])

#define MUB1(x, y) ((x)[(y) * 10 + 8])

#define MUB2(x, y) ((x)[(y) * 10 + 9])

#define MUC0(x, y) ((x)[(y) * 10 + 10])

#define MUC1(x, y) ((x)[(y) * 10 + 11])

#define MUC2(x, y) ((x)[(y) * 10 + 12])

#define MUC3(x, y) ((x)[(y) * 10 + 13])



/* Common Channel control IDs */

#define SND_US16X08_ID_BYPASS 0x45

#define SND_US16X08_ID_BUSS_OUT 0x44

#define SND_US16X08_ID_PHASE 0x85

#define SND_US16X08_ID_MUTE 0x83

#define SND_US16X08_ID_FADER 0x81

#define SND_US16X08_ID_PAN 0x82

#define SND_US16X08_ID_METER 0xB1



#define SND_US16X08_ID_EQ_BAND_COUNT 4

#define SND_US16X08_ID_EQ_PARAM_COUNT 4



/* EQ level IDs */

#define SND_US16X08_ID_EQLOWLEVEL 0x01

#define SND_US16X08_ID_EQLOWMIDLEVEL 0x02

#define SND_US16X08_ID_EQHIGHMIDLEVEL 0x03

#define SND_US16X08_ID_EQHIGHLEVEL 0x04



/* EQ frequence IDs */

#define SND_US16X08_ID_EQLOWFREQ 0x11

#define SND_US16X08_ID_EQLOWMIDFREQ 0x12

#define SND_US16X08_ID_EQHIGHMIDFREQ 0x13

#define SND_US16X08_ID_EQHIGHFREQ 0x14



/* EQ width IDs */

#define SND_US16X08_ID_EQLOWMIDWIDTH 0x22

#define SND_US16X08_ID_EQHIGHMIDWIDTH 0x23



#define SND_US16X08_ID_EQENABLE 0x30



#define EQ_STORE_BAND_IDX(x) ((x) & 0xf)

#define EQ_STORE_PARAM_IDX(x) (((x) & 0xf0) >> 4)



#define SND_US16X08_ID_ROUTE 0x00



/* Compressor Ids */

#define SND_US16X08_ID_COMP_BASE	0x32

#define SND_US16X08_ID_COMP_THRESHOLD	SND_US16X08_ID_COMP_BASE

#define SND_US16X08_ID_COMP_RATIO	(SND_US16X08_ID_COMP_BASE + 1)

#define SND_US16X08_ID_COMP_ATTACK	(SND_US16X08_ID_COMP_BASE + 2)

#define SND_US16X08_ID_COMP_RELEASE	(SND_US16X08_ID_COMP_BASE + 3)

#define SND_US16X08_ID_COMP_GAIN	(SND_US16X08_ID_COMP_BASE + 4)

#define SND_US16X08_ID_COMP_SWITCH	(SND_US16X08_ID_COMP_BASE + 5)

#define SND_US16X08_ID_COMP_COUNT	6



#define COMP_STORE_IDX(x) ((x) - SND_US16X08_ID_COMP_BASE)



struct snd_us16x08_eq_store {

	u8 val[SND_US16X08_ID_EQ_BAND_COUNT][SND_US16X08_ID_EQ_PARAM_COUNT]

		[SND_US16X08_MAX_CHANNELS];

};



struct snd_us16x08_comp_store {

	u8 val[SND_US16X08_ID_COMP_COUNT][SND_US16X08_MAX_CHANNELS];

};



struct snd_us16x08_meter_store {

	int meter_level[SND_US16X08_MAX_CHANNELS];

	int master_level[2]; /* level of meter for master output */

	int comp_index; /* round trip channel selector */

	int comp_active_index; /* channel select from user space mixer */

	int comp_level[16]; /* compressor reduction level */

	struct snd_us16x08_comp_store *comp_store;

};



struct snd_us16x08_control_params {

	struct snd_kcontrol_new *kcontrol_new;

	int control_id;

	int type;

	int num_channels;

	const char *name;

	void (*freeer)(struct snd_kcontrol *kctl);

	int default_val;

};



#define snd_us16x08_switch_info snd_ctl_boolean_mono_info



int snd_us16x08_controls_create(struct usb_mixer_interface *mixer);

#endif /* __USB_MIXER_US16X08_H */