fsl_utils.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Freescale ALSA SoC Machine driver utility
 4 *
 5 * Author: Timur Tabi <timur@freescale.com>
 6 *
 7 * Copyright 2010 Freescale Semiconductor, Inc.
 8 */
 9
10#ifndef _FSL_UTILS_H
11#define _FSL_UTILS_H
12
13#define DAI_NAME_SIZE	32
14
15struct snd_soc_dai_link;
16struct device_node;
17
18int fsl_asoc_get_dma_channel(struct device_node *ssi_np, const char *name,
19			     struct snd_soc_dai_link *dai,
20			     unsigned int *dma_channel_id,
21			     unsigned int *dma_id);
22
23void fsl_asoc_get_pll_clocks(struct device *dev, struct clk **pll8k_clk,
24			     struct clk **pll11k_clk);
25
26void fsl_asoc_reparent_pll_clocks(struct device *dev, struct clk *clk,
27				  struct clk *pll8k_clk,
28				  struct clk *pll11k_clk, u64 ratio);
29
30void fsl_asoc_constrain_rates(struct snd_pcm_hw_constraint_list *target_constr,
31			      const struct snd_pcm_hw_constraint_list *original_constr,
32			      struct clk *pll8k_clk, struct clk *pll11k_clk,
33			      struct clk *ext_clk, int *target_rates);
34#endif /* _FSL_UTILS_H */