diff options
Diffstat (limited to 'include/sound/soc-dai.h')
| -rw-r--r-- | include/sound/soc-dai.h | 43 |
1 files changed, 35 insertions, 8 deletions
diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h index 8ad11669e4d8..f5d70041108f 100644 --- a/include/sound/soc-dai.h +++ b/include/sound/soc-dai.h @@ -1,12 +1,9 @@ -/* +/* SPDX-License-Identifier: GPL-2.0 + * * linux/sound/soc-dai.h -- ALSA SoC Layer * * Copyright: 2005-2008 Wolfson Microelectronics. PLC. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * Digital Audio Interface (DAI) API. */ @@ -141,6 +138,11 @@ int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate); int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute, int direction); + +int snd_soc_dai_get_channel_map(struct snd_soc_dai *dai, + unsigned int *tx_num, unsigned int *tx_slot, + unsigned int *rx_num, unsigned int *rx_slot); + int snd_soc_dai_is_dummy(struct snd_soc_dai *dai); struct snd_soc_dai_ops { @@ -168,8 +170,13 @@ struct snd_soc_dai_ops { int (*set_channel_map)(struct snd_soc_dai *dai, unsigned int tx_num, unsigned int *tx_slot, unsigned int rx_num, unsigned int *rx_slot); + int (*get_channel_map)(struct snd_soc_dai *dai, + unsigned int *tx_num, unsigned int *tx_slot, + unsigned int *rx_num, unsigned int *rx_slot); int (*set_tristate)(struct snd_soc_dai *dai, int tristate); + int (*set_sdw_stream)(struct snd_soc_dai *dai, + void *stream, int direction); /* * DAI digital mute - optional. * Called by soc-core to minimise any pops. @@ -294,8 +301,8 @@ struct snd_soc_dai { struct snd_soc_dai_driver *driver; /* DAI runtime info */ - unsigned int capture_active:1; /* stream is in use */ - unsigned int playback_active:1; /* stream is in use */ + unsigned int capture_active; /* stream usage count */ + unsigned int playback_active; /* stream usage count */ unsigned int probed:1; unsigned int active; @@ -313,7 +320,6 @@ struct snd_soc_dai { unsigned int sample_bits; /* parent platform/codec */ - struct snd_soc_codec *codec; struct snd_soc_component *component; /* CODEC TDM slot masks and params (for fixup) */ @@ -358,4 +364,25 @@ static inline void *snd_soc_dai_get_drvdata(struct snd_soc_dai *dai) return dev_get_drvdata(dai->dev); } +/** + * snd_soc_dai_set_sdw_stream() - Configures a DAI for SDW stream operation + * @dai: DAI + * @stream: STREAM + * @direction: Stream direction(Playback/Capture) + * SoundWire subsystem doesn't have a notion of direction and we reuse + * the ASoC stream direction to configure sink/source ports. + * Playback maps to source ports and Capture for sink ports. + * + * This should be invoked with NULL to clear the stream set previously. + * Returns 0 on success, a negative error code otherwise. + */ +static inline int snd_soc_dai_set_sdw_stream(struct snd_soc_dai *dai, + void *stream, int direction) +{ + if (dai->driver->ops->set_sdw_stream) + return dai->driver->ops->set_sdw_stream(dai, stream, direction); + else + return -ENOTSUPP; +} + #endif |