1#ifndef __SOUND_TLV_H
2#define __SOUND_TLV_H
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34#define SNDRV_CTL_TLVT_CONTAINER 0
35#define SNDRV_CTL_TLVT_DB_SCALE 1
36#define SNDRV_CTL_TLVT_DB_LINEAR 2
37#define SNDRV_CTL_TLVT_DB_RANGE 3
38#define SNDRV_CTL_TLVT_DB_MINMAX 4
39#define SNDRV_CTL_TLVT_DB_MINMAX_MUTE 5
40
41#define TLV_ITEM(type, ...) \
42 (type), TLV_LENGTH(__VA_ARGS__), __VA_ARGS__
43#define TLV_LENGTH(...) \
44 ((unsigned int)sizeof((const unsigned int[]) { __VA_ARGS__ }))
45
46#define TLV_CONTAINER_ITEM(...) \
47 TLV_ITEM(SNDRV_CTL_TLVT_CONTAINER, __VA_ARGS__)
48#define DECLARE_TLV_CONTAINER(name, ...) \
49 unsigned int name[] = { TLV_CONTAINER_ITEM(__VA_ARGS__) }
50
51#define TLV_DB_SCALE_MASK 0xffff
52#define TLV_DB_SCALE_MUTE 0x10000
53#define TLV_DB_SCALE_ITEM(min, step, mute) \
54 TLV_ITEM(SNDRV_CTL_TLVT_DB_SCALE, \
55 (min), \
56 ((step) & TLV_DB_SCALE_MASK) | \
57 ((mute) ? TLV_DB_SCALE_MUTE : 0))
58#define DECLARE_TLV_DB_SCALE(name, min, step, mute) \
59 unsigned int name[] = { TLV_DB_SCALE_ITEM(min, step, mute) }
60
61
62#define TLV_DB_MINMAX_ITEM(min_dB, max_dB) \
63 TLV_ITEM(SNDRV_CTL_TLVT_DB_MINMAX, (min_dB), (max_dB))
64#define TLV_DB_MINMAX_MUTE_ITEM(min_dB, max_dB) \
65 TLV_ITEM(SNDRV_CTL_TLVT_DB_MINMAX_MUTE, (min_dB), (max_dB))
66#define DECLARE_TLV_DB_MINMAX(name, min_dB, max_dB) \
67 unsigned int name[] = { TLV_DB_MINMAX_ITEM(min_dB, max_dB) }
68#define DECLARE_TLV_DB_MINMAX_MUTE(name, min_dB, max_dB) \
69 unsigned int name[] = { TLV_DB_MINMAX_MUTE_ITEM(min_dB, max_dB) }
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71
72#define TLV_DB_LINEAR_ITEM(min_dB, max_dB) \
73 TLV_ITEM(SNDRV_CTL_TLVT_DB_LINEAR, (min_dB), (max_dB))
74#define DECLARE_TLV_DB_LINEAR(name, min_dB, max_dB) \
75 unsigned int name[] = { TLV_DB_LINEAR_ITEM(min_dB, max_dB) }
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83#define TLV_DB_RANGE_ITEM(...) \
84 TLV_ITEM(SNDRV_CTL_TLVT_DB_RANGE, __VA_ARGS__)
85#define DECLARE_TLV_DB_RANGE(name, ...) \
86 unsigned int name[] = { TLV_DB_RANGE_ITEM(__VA_ARGS__) }
87
88#define TLV_DB_RANGE_HEAD(num) \
89 SNDRV_CTL_TLVT_DB_RANGE, 6 * (num) * sizeof(unsigned int)
90
91#define TLV_DB_GAIN_MUTE -9999999
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97#define SNDRV_CTL_TLVT_CHMAP_FIXED 0x101
98#define SNDRV_CTL_TLVT_CHMAP_VAR 0x102
99#define SNDRV_CTL_TLVT_CHMAP_PAIRED 0x103
100
101#endif
102