root/sound/soc/fsl/fsl_utils.h
/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Freescale ALSA SoC Machine driver utility
 *
 * Author: Timur Tabi <timur@freescale.com>
 *
 * Copyright 2010 Freescale Semiconductor, Inc.
 */

#ifndef _FSL_UTILS_H
#define _FSL_UTILS_H

#define DAI_NAME_SIZE   32

struct snd_soc_dai_link;
struct device_node;

int fsl_asoc_get_dma_channel(struct device_node *ssi_np, const char *name,
                             struct snd_soc_dai_link *dai,
                             unsigned int *dma_channel_id,
                             unsigned int *dma_id);

void fsl_asoc_get_pll_clocks(struct device *dev, struct clk **pll8k_clk,
                             struct clk **pll11k_clk);

void fsl_asoc_reparent_pll_clocks(struct device *dev, struct clk *clk,
                                  struct clk *pll8k_clk,
                                  struct clk *pll11k_clk, u64 ratio);

void fsl_asoc_constrain_rates(struct snd_pcm_hw_constraint_list *target_constr,
                              const struct snd_pcm_hw_constraint_list *original_constr,
                              struct clk *pll8k_clk, struct clk *pll11k_clk,
                              struct clk *ext_clk, int *target_rates);
#endif /* _FSL_UTILS_H */