xref: /OK3568_Linux_fs/kernel/sound/soc/rockchip/rockchip_dlp.h (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Rockchip DLP (Digital Loopback) driver
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright (C) 2022 Rockchip Electronics Co., Ltd
6*4882a593Smuzhiyun  * Author: Sugar Zhang <sugar.zhang@rock-chips.com>
7*4882a593Smuzhiyun  *
8*4882a593Smuzhiyun  */
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun #ifndef _ROCKCHIP_DLP_H
11*4882a593Smuzhiyun #define _ROCKCHIP_DLP_H
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun struct snd_dlp_config {
14*4882a593Smuzhiyun 	int (*get_fifo_count)(struct device *dev, int stream);
15*4882a593Smuzhiyun };
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun #if IS_REACHABLE(CONFIG_SND_SOC_ROCKCHIP_DLP)
18*4882a593Smuzhiyun int devm_snd_dmaengine_dlp_register(struct device *dev,
19*4882a593Smuzhiyun 	const struct snd_dlp_config *config);
20*4882a593Smuzhiyun #else
devm_snd_dmaengine_dlp_register(struct device * dev,const struct snd_dlp_config * config)21*4882a593Smuzhiyun static inline int devm_snd_dmaengine_dlp_register(struct device *dev,
22*4882a593Smuzhiyun 	const struct snd_dlp_config *config)
23*4882a593Smuzhiyun {
24*4882a593Smuzhiyun 	return -ENOSYS;
25*4882a593Smuzhiyun }
26*4882a593Smuzhiyun #endif
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun #endif
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