/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */

[0] Fix | Delete

[1] Fix | Delete

#ifndef __UAPI_SOUND_TLV_H

[2] Fix | Delete

#define __UAPI_SOUND_TLV_H

[3] Fix | Delete

[4] Fix | Delete

#define SNDRV_CTL_TLVT_CONTAINER 0 /* one level down - group of TLVs */

[5] Fix | Delete

#define SNDRV_CTL_TLVT_DB_SCALE 1 /* dB scale */

[6] Fix | Delete

#define SNDRV_CTL_TLVT_DB_LINEAR 2 /* linear volume */

[7] Fix | Delete

#define SNDRV_CTL_TLVT_DB_RANGE 3 /* dB range container */

[8] Fix | Delete

#define SNDRV_CTL_TLVT_DB_MINMAX 4 /* dB scale with min/max */

[9] Fix | Delete

#define SNDRV_CTL_TLVT_DB_MINMAX_MUTE 5 /* dB scale with min/max with mute */

[10] Fix | Delete

[11] Fix | Delete

/*

[12] Fix | Delete

* channel-mapping TLV items

[13] Fix | Delete

* TLV length must match with num_channels

[14] Fix | Delete

*/

[15] Fix | Delete

#define SNDRV_CTL_TLVT_CHMAP_FIXED 0x101 /* fixed channel position */

[16] Fix | Delete

#define SNDRV_CTL_TLVT_CHMAP_VAR 0x102 /* channels freely swappable */

[17] Fix | Delete

#define SNDRV_CTL_TLVT_CHMAP_PAIRED 0x103 /* pair-wise swappable */

[18] Fix | Delete

[19] Fix | Delete

/*

[20] Fix | Delete

* TLV structure is right behind the struct snd_ctl_tlv:

[21] Fix | Delete

* unsigned int type - see SNDRV_CTL_TLVT_*

[22] Fix | Delete

* unsigned int length

[23] Fix | Delete

* .... data aligned to sizeof(unsigned int), use

[24] Fix | Delete

* block_length = (length + (sizeof(unsigned int) - 1)) &

[25] Fix | Delete

* ~(sizeof(unsigned int) - 1)) ....

[26] Fix | Delete

*/

[27] Fix | Delete

#define SNDRV_CTL_TLVD_ITEM(type, ...) \

[28] Fix | Delete

(type), SNDRV_CTL_TLVD_LENGTH(__VA_ARGS__), __VA_ARGS__

[29] Fix | Delete

#define SNDRV_CTL_TLVD_LENGTH(...) \

[30] Fix | Delete

((unsigned int)sizeof((const unsigned int[]) { __VA_ARGS__ }))

[31] Fix | Delete

[32] Fix | Delete

/* Accessor offsets for TLV data items */

[33] Fix | Delete

#define SNDRV_CTL_TLVO_TYPE 0

[34] Fix | Delete

#define SNDRV_CTL_TLVO_LEN 1

[35] Fix | Delete

[36] Fix | Delete

#define SNDRV_CTL_TLVD_CONTAINER_ITEM(...) \

[37] Fix | Delete

SNDRV_CTL_TLVD_ITEM(SNDRV_CTL_TLVT_CONTAINER, __VA_ARGS__)

[38] Fix | Delete

#define SNDRV_CTL_TLVD_DECLARE_CONTAINER(name, ...) \

[39] Fix | Delete

unsigned int name[] = { \

[40] Fix | Delete

SNDRV_CTL_TLVD_CONTAINER_ITEM(__VA_ARGS__) \

[41] Fix | Delete

}

[42] Fix | Delete

[43] Fix | Delete

#define SNDRV_CTL_TLVD_DB_SCALE_MASK 0xffff

[44] Fix | Delete

#define SNDRV_CTL_TLVD_DB_SCALE_MUTE 0x10000

[45] Fix | Delete

#define SNDRV_CTL_TLVD_DB_SCALE_ITEM(min, step, mute) \

[46] Fix | Delete

SNDRV_CTL_TLVD_ITEM(SNDRV_CTL_TLVT_DB_SCALE, \

[47] Fix | Delete

(min), \

[48] Fix | Delete

((step) & SNDRV_CTL_TLVD_DB_SCALE_MASK) | \

[49] Fix | Delete

((mute) ? SNDRV_CTL_TLVD_DB_SCALE_MUTE : 0))

[50] Fix | Delete

#define SNDRV_CTL_TLVD_DECLARE_DB_SCALE(name, min, step, mute) \

[51] Fix | Delete

unsigned int name[] = { \

[52] Fix | Delete

SNDRV_CTL_TLVD_DB_SCALE_ITEM(min, step, mute) \

[53] Fix | Delete

}

[54] Fix | Delete

[55] Fix | Delete

/* Accessor offsets for min, mute and step items in dB scale type TLV */

[56] Fix | Delete

#define SNDRV_CTL_TLVO_DB_SCALE_MIN 2

[57] Fix | Delete

#define SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP 3

[58] Fix | Delete

[59] Fix | Delete

/* dB scale specified with min/max values instead of step */

[60] Fix | Delete

#define SNDRV_CTL_TLVD_DB_MINMAX_ITEM(min_dB, max_dB) \

[61] Fix | Delete

SNDRV_CTL_TLVD_ITEM(SNDRV_CTL_TLVT_DB_MINMAX, (min_dB), (max_dB))

[62] Fix | Delete

#define SNDRV_CTL_TLVD_DB_MINMAX_MUTE_ITEM(min_dB, max_dB) \

[63] Fix | Delete

SNDRV_CTL_TLVD_ITEM(SNDRV_CTL_TLVT_DB_MINMAX_MUTE, (min_dB), (max_dB))

[64] Fix | Delete

#define SNDRV_CTL_TLVD_DECLARE_DB_MINMAX(name, min_dB, max_dB) \

[65] Fix | Delete

unsigned int name[] = { \

[66] Fix | Delete

SNDRV_CTL_TLVD_DB_MINMAX_ITEM(min_dB, max_dB) \

[67] Fix | Delete

}

[68] Fix | Delete

#define SNDRV_CTL_TLVD_DECLARE_DB_MINMAX_MUTE(name, min_dB, max_dB) \

[69] Fix | Delete

unsigned int name[] = { \

[70] Fix | Delete

SNDRV_CTL_TLVD_DB_MINMAX_MUTE_ITEM(min_dB, max_dB) \

[71] Fix | Delete

}

[72] Fix | Delete

[73] Fix | Delete

/* Accessor offsets for min, max items in db-minmax types of TLV. */

[74] Fix | Delete

#define SNDRV_CTL_TLVO_DB_MINMAX_MIN 2

[75] Fix | Delete

#define SNDRV_CTL_TLVO_DB_MINMAX_MAX 3

[76] Fix | Delete

[77] Fix | Delete

/* linear volume between min_dB and max_dB (.01dB unit) */

[78] Fix | Delete

#define SNDRV_CTL_TLVD_DB_LINEAR_ITEM(min_dB, max_dB) \

[79] Fix | Delete

SNDRV_CTL_TLVD_ITEM(SNDRV_CTL_TLVT_DB_LINEAR, (min_dB), (max_dB))

[80] Fix | Delete

#define SNDRV_CTL_TLVD_DECLARE_DB_LINEAR(name, min_dB, max_dB) \

[81] Fix | Delete

unsigned int name[] = { \

[82] Fix | Delete

SNDRV_CTL_TLVD_DB_LINEAR_ITEM(min_dB, max_dB) \

[83] Fix | Delete

}

[84] Fix | Delete

[85] Fix | Delete

/* Accessor offsets for min, max items in db-linear type of TLV. */

[86] Fix | Delete

#define SNDRV_CTL_TLVO_DB_LINEAR_MIN 2

[87] Fix | Delete

#define SNDRV_CTL_TLVO_DB_LINEAR_MAX 3

[88] Fix | Delete

[89] Fix | Delete

/* dB range container:

[90] Fix | Delete

* Items in dB range container must be ordered by their values and by their

[91] Fix | Delete

* dB values. This implies that larger values must correspond with larger

[92] Fix | Delete

* dB values (which is also required for all other mixer controls).

[93] Fix | Delete

*/

[94] Fix | Delete

/* Each item is: <min> <max> <TLV> */

[95] Fix | Delete

#define SNDRV_CTL_TLVD_DB_RANGE_ITEM(...) \

[96] Fix | Delete

SNDRV_CTL_TLVD_ITEM(SNDRV_CTL_TLVT_DB_RANGE, __VA_ARGS__)

[97] Fix | Delete

#define SNDRV_CTL_TLVD_DECLARE_DB_RANGE(name, ...) \

[98] Fix | Delete

unsigned int name[] = { \

[99] Fix | Delete

SNDRV_CTL_TLVD_DB_RANGE_ITEM(__VA_ARGS__) \

[100] Fix | Delete

}

[101] Fix | Delete

[102] Fix | Delete

#define SNDRV_CTL_TLVD_DB_GAIN_MUTE -9999999

[103] Fix | Delete

[104] Fix | Delete

#endif

[105] Fix | Delete

[106] Fix | Delete