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 15 struct snd_soc_dai_link; 16 struct device_node; 17 18 int 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 23 void fsl_asoc_get_pll_clocks(struct device *dev, struct clk **pll8k_clk, 24 struct clk **pll11k_clk); 25 26 void fsl_asoc_reparent_pll_clocks(struct device *dev, struct clk *clk, 27 struct clk *pll8k_clk, 28 struct clk *pll11k_clk, u64 ratio); 29 30 void 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 */ 35