xref: /openbmc/linux/sound/usb/mixer_us16x08.h (revision 2891f2d5)
1 #ifndef __USB_MIXER_US16X08_H
2 #define __USB_MIXER_US16X08_H
3 
4 #define SND_US16X08_MAX_CHANNELS 16
5 
6 /* define some bias, cause some alsa-mixers wont work with
7  * negative ranges or if mixer-min != 0
8  */
9 #define SND_US16X08_NO_BIAS 0
10 #define SND_US16X08_FADER_BIAS 127
11 #define SND_US16X08_EQ_HIGHFREQ_BIAS 0x20
12 #define SND_US16X08_COMP_THRESHOLD_BIAS 0x20
13 #define SND_US16X08_COMP_ATTACK_BIAS 2
14 #define SND_US16X08_COMP_RELEASE_BIAS 1
15 
16 /* get macro for components of kcontrol private_value */
17 #define SND_US16X08_KCBIAS(x) (((x)->private_value >> 24) & 0xff)
18 #define SND_US16X08_KCSTEP(x) (((x)->private_value >> 16) & 0xff)
19 #define SND_US16X08_KCMIN(x) (((x)->private_value >> 8) & 0xff)
20 #define SND_US16X08_KCMAX(x) (((x)->private_value >> 0) & 0xff)
21 /* set macro for kcontrol private_value */
22 #define SND_US16X08_KCSET(bias, step, min, max)  \
23 	(((bias) << 24) | ((step) << 16) | ((min) << 8) | (max))
24 
25 /* the URB request/type to control Tascam mixers */
26 #define SND_US16X08_URB_REQUEST 0x1D
27 #define SND_US16X08_URB_REQUESTTYPE 0x40
28 
29 /* the URB params to retrieve meter ranges */
30 #define SND_US16X08_URB_METER_REQUEST       0x1e
31 #define SND_US16X08_URB_METER_REQUESTTYPE   0xc0
32 
33 #define MUA0(x, y) ((x)[(y) * 10 + 4])
34 #define MUA1(x, y) ((x)[(y) * 10 + 5])
35 #define MUA2(x, y) ((x)[(y) * 10 + 6])
36 #define MUB0(x, y) ((x)[(y) * 10 + 7])
37 #define MUB1(x, y) ((x)[(y) * 10 + 8])
38 #define MUB2(x, y) ((x)[(y) * 10 + 9])
39 #define MUC0(x, y) ((x)[(y) * 10 + 10])
40 #define MUC1(x, y) ((x)[(y) * 10 + 11])
41 #define MUC2(x, y) ((x)[(y) * 10 + 12])
42 #define MUC3(x, y) ((x)[(y) * 10 + 13])
43 
44 /* Common Channel control IDs */
45 #define SND_US16X08_ID_BYPASS 0x45
46 #define SND_US16X08_ID_BUSS_OUT 0x44
47 #define SND_US16X08_ID_PHASE 0x85
48 #define SND_US16X08_ID_MUTE 0x83
49 #define SND_US16X08_ID_FADER 0x81
50 #define SND_US16X08_ID_PAN 0x82
51 #define SND_US16X08_ID_METER 0xB1
52 
53 #define SND_US16X08_ID_EQ_BAND_COUNT 4
54 #define SND_US16X08_ID_EQ_PARAM_COUNT 4
55 
56 /* EQ level IDs */
57 #define SND_US16X08_ID_EQLOWLEVEL 0x01
58 #define SND_US16X08_ID_EQLOWMIDLEVEL 0x02
59 #define SND_US16X08_ID_EQHIGHMIDLEVEL 0x03
60 #define SND_US16X08_ID_EQHIGHLEVEL 0x04
61 
62 /* EQ frequence IDs */
63 #define SND_US16X08_ID_EQLOWFREQ 0x11
64 #define SND_US16X08_ID_EQLOWMIDFREQ 0x12
65 #define SND_US16X08_ID_EQHIGHMIDFREQ 0x13
66 #define SND_US16X08_ID_EQHIGHFREQ 0x14
67 
68 /* EQ width IDs */
69 #define SND_US16X08_ID_EQLOWMIDWIDTH 0x22
70 #define SND_US16X08_ID_EQHIGHMIDWIDTH 0x23
71 
72 #define SND_US16X08_ID_EQENABLE 0x30
73 
74 #define EQ_STORE_BAND_IDX(x) ((x) & 0xf)
75 #define EQ_STORE_PARAM_IDX(x) (((x) & 0xf0) >> 4)
76 
77 #define SND_US16X08_ID_ROUTE 0x00
78 
79 /* Compressor Ids */
80 #define SND_US16X08_ID_COMP_BASE	0x32
81 #define SND_US16X08_ID_COMP_THRESHOLD	SND_US16X08_ID_COMP_BASE
82 #define SND_US16X08_ID_COMP_RATIO	(SND_US16X08_ID_COMP_BASE + 1)
83 #define SND_US16X08_ID_COMP_ATTACK	(SND_US16X08_ID_COMP_BASE + 2)
84 #define SND_US16X08_ID_COMP_RELEASE	(SND_US16X08_ID_COMP_BASE + 3)
85 #define SND_US16X08_ID_COMP_GAIN	(SND_US16X08_ID_COMP_BASE + 4)
86 #define SND_US16X08_ID_COMP_SWITCH	(SND_US16X08_ID_COMP_BASE + 5)
87 #define SND_US16X08_ID_COMP_COUNT	6
88 
89 #define COMP_STORE_IDX(x) ((x) - SND_US16X08_ID_COMP_BASE)
90 
91 struct snd_us16x08_eq_store {
92 	u8 val[SND_US16X08_ID_EQ_BAND_COUNT][SND_US16X08_ID_EQ_PARAM_COUNT]
93 		[SND_US16X08_MAX_CHANNELS];
94 };
95 
96 struct snd_us16x08_comp_store {
97 	u8 val[SND_US16X08_ID_COMP_COUNT][SND_US16X08_MAX_CHANNELS];
98 };
99 
100 struct snd_us16x08_meter_store {
101 	int meter_level[SND_US16X08_MAX_CHANNELS];
102 	int master_level[2]; /* level of meter for master output */
103 	int comp_index; /* round trip channel selector */
104 	int comp_active_index; /* channel select from user space mixer */
105 	int comp_level[16]; /* compressor reduction level */
106 	struct snd_us16x08_comp_store *comp_store;
107 };
108 
109 struct snd_us16x08_control_params {
110 	struct snd_kcontrol_new *kcontrol_new;
111 	int control_id;
112 	int type;
113 	int num_channels;
114 	const char *name;
115 	int default_val;
116 };
117 
118 #define snd_us16x08_switch_info snd_ctl_boolean_mono_info
119 
120 int snd_us16x08_controls_create(struct usb_mixer_interface *mixer);
121 #endif /* __USB_MIXER_US16X08_H */
122