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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: Detlef Urban <onkel@paraair.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Detlef Urban 2017-02-20 09:47:59 +01:00 committed by Takashi Iwai
parent fc0e23fad3
commit d2bb390a20
4 changed files with 1593 additions and 0 deletions
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1
sound/usb/Makefile
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@ -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 \

5
sound/usb/mixer_quirks.c
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@ -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):

1465
sound/usb/mixer_us16x08.c Normal file
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File diff suppressed because it is too large Load Diff

122
sound/usb/mixer_us16x08.h Normal file
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@ -0,0 +1,122 @@
#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 */