1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __USB_MIXER_US16X08_H
3#define __USB_MIXER_US16X08_H
4
5#define SND_US16X08_MAX_CHANNELS 16
6
7/* define some bias, cause some alsa-mixers wont work with
8 * negative ranges or if mixer-min != 0
9 */
10#define SND_US16X08_NO_BIAS 0
11#define SND_US16X08_FADER_BIAS 127
12#define SND_US16X08_EQ_HIGHFREQ_BIAS 0x20
13#define SND_US16X08_COMP_THRESHOLD_BIAS 0x20
14#define SND_US16X08_COMP_ATTACK_BIAS 2
15#define SND_US16X08_COMP_RELEASE_BIAS 1
16
17/* get macro for components of kcontrol private_value */
18#define SND_US16X08_KCBIAS(x) (((x)->private_value >> 24) & 0xff)
19#define SND_US16X08_KCSTEP(x) (((x)->private_value >> 16) & 0xff)
20#define SND_US16X08_KCMIN(x) (((x)->private_value >> 8) & 0xff)
21#define SND_US16X08_KCMAX(x) (((x)->private_value >> 0) & 0xff)
22/* set macro for kcontrol private_value */
23#define SND_US16X08_KCSET(bias, step, min, max) \
24 (((bias) << 24) | ((step) << 16) | ((min) << 8) | (max))
25
26/* the URB request/type to control Tascam mixers */
27#define SND_US16X08_URB_REQUEST 0x1D
28#define SND_US16X08_URB_REQUESTTYPE 0x40
29
30/* the URB params to retrieve meter ranges */
31#define SND_US16X08_URB_METER_REQUEST 0x1e
32#define SND_US16X08_URB_METER_REQUESTTYPE 0xc0
33
34#define MUA0(x, y) ((x)[(y) * 10 + 4])
35#define MUA1(x, y) ((x)[(y) * 10 + 5])
36#define MUA2(x, y) ((x)[(y) * 10 + 6])
37#define MUB0(x, y) ((x)[(y) * 10 + 7])
38#define MUB1(x, y) ((x)[(y) * 10 + 8])
39#define MUB2(x, y) ((x)[(y) * 10 + 9])
40#define MUC0(x, y) ((x)[(y) * 10 + 10])
41#define MUC1(x, y) ((x)[(y) * 10 + 11])
42#define MUC2(x, y) ((x)[(y) * 10 + 12])
43#define MUC3(x, y) ((x)[(y) * 10 + 13])
44
45/* Common Channel control IDs */
46#define SND_US16X08_ID_BYPASS 0x45
47#define SND_US16X08_ID_BUSS_OUT 0x44
48#define SND_US16X08_ID_PHASE 0x85
49#define SND_US16X08_ID_MUTE 0x83
50#define SND_US16X08_ID_FADER 0x81
51#define SND_US16X08_ID_PAN 0x82
52#define SND_US16X08_ID_METER 0xB1
53
54#define SND_US16X08_ID_EQ_BAND_COUNT 4
55#define SND_US16X08_ID_EQ_PARAM_COUNT 4
56
57/* EQ level IDs */
58#define SND_US16X08_ID_EQLOWLEVEL 0x01
59#define SND_US16X08_ID_EQLOWMIDLEVEL 0x02
60#define SND_US16X08_ID_EQHIGHMIDLEVEL 0x03
61#define SND_US16X08_ID_EQHIGHLEVEL 0x04
62
63/* EQ frequence IDs */
64#define SND_US16X08_ID_EQLOWFREQ 0x11
65#define SND_US16X08_ID_EQLOWMIDFREQ 0x12
66#define SND_US16X08_ID_EQHIGHMIDFREQ 0x13
67#define SND_US16X08_ID_EQHIGHFREQ 0x14
68
69/* EQ width IDs */
70#define SND_US16X08_ID_EQLOWMIDWIDTH 0x22
71#define SND_US16X08_ID_EQHIGHMIDWIDTH 0x23
72
73#define SND_US16X08_ID_EQENABLE 0x30
74
75#define EQ_STORE_BAND_IDX(x) ((x) & 0xf)
76#define EQ_STORE_PARAM_IDX(x) (((x) & 0xf0) >> 4)
77
78#define SND_US16X08_ID_ROUTE 0x00
79
80/* Compressor Ids */
81#define SND_US16X08_ID_COMP_BASE 0x32
82#define SND_US16X08_ID_COMP_THRESHOLD SND_US16X08_ID_COMP_BASE
83#define SND_US16X08_ID_COMP_RATIO (SND_US16X08_ID_COMP_BASE + 1)
84#define SND_US16X08_ID_COMP_ATTACK (SND_US16X08_ID_COMP_BASE + 2)
85#define SND_US16X08_ID_COMP_RELEASE (SND_US16X08_ID_COMP_BASE + 3)
86#define SND_US16X08_ID_COMP_GAIN (SND_US16X08_ID_COMP_BASE + 4)
87#define SND_US16X08_ID_COMP_SWITCH (SND_US16X08_ID_COMP_BASE + 5)
88#define SND_US16X08_ID_COMP_COUNT 6
89
90#define COMP_STORE_IDX(x) ((x) - SND_US16X08_ID_COMP_BASE)
91
92struct snd_us16x08_eq_store {
93 u8 val[SND_US16X08_ID_EQ_BAND_COUNT][SND_US16X08_ID_EQ_PARAM_COUNT]
94 [SND_US16X08_MAX_CHANNELS];
95};
96
97struct snd_us16x08_comp_store {
98 u8 val[SND_US16X08_ID_COMP_COUNT][SND_US16X08_MAX_CHANNELS];
99};
100
101struct snd_us16x08_meter_store {
102 int meter_level[SND_US16X08_MAX_CHANNELS];
103 int master_level[2]; /* level of meter for master output */
104 int comp_index; /* round trip channel selector */
105 int comp_active_index; /* channel select from user space mixer */
106 int comp_level[16]; /* compressor reduction level */
107 struct snd_us16x08_comp_store *comp_store;
108};
109
110struct snd_us16x08_control_params {
111 const struct snd_kcontrol_new *kcontrol_new;
112 int control_id;
113 int type;
114 int num_channels;
115 const char *name;
116 int default_val;
117};
118
119#define snd_us16x08_switch_info snd_ctl_boolean_mono_info
120
121int snd_us16x08_controls_create(struct usb_mixer_interface *mixer);
122#endif /* __USB_MIXER_US16X08_H */
123

source code of linux/sound/usb/mixer_us16x08.h