Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * This file is provided under a dual BSD/GPLv2 license.  When using or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  * redistributing this file, you may do so under either license.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * Copyright(c) 2019 Intel Corporation. All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #ifndef __IPC_CHANNEL_MAP_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #define __IPC_CHANNEL_MAP_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <uapi/sound/sof/header.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <sound/sof/header.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)  * \brief Channel map, specifies transformation of one-to-many or many-to-one.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)  * In case of one-to-many specifies how the output channels are computed out of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)  * a single source channel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)  * in case of many-to-one specifies how a single target channel is computed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)  * from a multichannel input stream.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)  * Channel index specifies position of the channel in the stream on the 'one'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)  * side.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)  * Ext ID is the identifier of external part of the transformation. Depending
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)  * on the context, it may be pipeline ID, dai ID, ...
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)  * Channel mask describes which channels are taken into account on the "many"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)  * side. Bit[i] set to 1 means that i-th channel is used for computation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)  * (either as source or as a target).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)  * Channel mask is followed by array of coefficients in Q2.30 format,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)  * one per each channel set in the mask (left to right, LS bit set in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)  * mask corresponds to ch_coeffs[0]).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) struct sof_ipc_channel_map {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	uint32_t ch_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	uint32_t ext_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	uint32_t ch_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	uint32_t reserved;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	int32_t ch_coeffs[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)  * \brief Complete map for each channel of a multichannel stream.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)  * num_ch_map Specifies number of items in the ch_map.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)  * More than one transformation per a single channel is allowed (in case
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)  * multiple external entities are transformed).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)  * A channel may be skipped in the transformation list, then it is filled
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)  * with 0's by the transformation function.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) struct sof_ipc_stream_map {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	struct sof_ipc_cmd_hdr hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 	uint32_t num_ch_map;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	uint32_t reserved[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 	struct sof_ipc_channel_map ch_map[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #endif /* __IPC_CHANNEL_MAP_H__ */