1 /* 2 * simple_card_utils.h 3 * 4 * Copyright (c) 2016 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 */ 10 #ifndef __SIMPLE_CARD_UTILS_H 11 #define __SIMPLE_CARD_UTILS_H 12 13 #include <sound/soc.h> 14 15 struct asoc_simple_dai { 16 const char *name; 17 unsigned int sysclk; 18 int clk_direction; 19 int slots; 20 int slot_width; 21 unsigned int tx_slot_mask; 22 unsigned int rx_slot_mask; 23 struct clk *clk; 24 }; 25 26 struct asoc_simple_card_data { 27 u32 convert_rate; 28 u32 convert_channels; 29 }; 30 31 int asoc_simple_card_parse_daifmt(struct device *dev, 32 struct device_node *node, 33 struct device_node *codec, 34 char *prefix, 35 unsigned int *retfmt); 36 __printf(3, 4) 37 int asoc_simple_card_set_dailink_name(struct device *dev, 38 struct snd_soc_dai_link *dai_link, 39 const char *fmt, ...); 40 int asoc_simple_card_parse_card_name(struct snd_soc_card *card, 41 char *prefix); 42 43 #define asoc_simple_card_parse_clk_cpu(dev, node, dai_link, simple_dai) \ 44 asoc_simple_card_parse_clk(dev, node, dai_link->cpu_of_node, simple_dai, \ 45 dai_link->cpu_dai_name) 46 #define asoc_simple_card_parse_clk_codec(dev, node, dai_link, simple_dai) \ 47 asoc_simple_card_parse_clk(dev, node, dai_link->codec_of_node, simple_dai,\ 48 dai_link->codec_dai_name) 49 int asoc_simple_card_parse_clk(struct device *dev, 50 struct device_node *node, 51 struct device_node *dai_of_node, 52 struct asoc_simple_dai *simple_dai, 53 const char *name); 54 int asoc_simple_card_clk_enable(struct asoc_simple_dai *dai); 55 void asoc_simple_card_clk_disable(struct asoc_simple_dai *dai); 56 57 #define asoc_simple_card_parse_cpu(node, dai_link, \ 58 list_name, cells_name, is_single_link) \ 59 asoc_simple_card_parse_dai(node, &dai_link->cpu_of_node, \ 60 &dai_link->cpu_dai_name, list_name, cells_name, is_single_link) 61 #define asoc_simple_card_parse_codec(node, dai_link, list_name, cells_name) \ 62 asoc_simple_card_parse_dai(node, &dai_link->codec_of_node, \ 63 &dai_link->codec_dai_name, list_name, cells_name, NULL) 64 #define asoc_simple_card_parse_platform(node, dai_link, list_name, cells_name) \ 65 asoc_simple_card_parse_dai(node, &dai_link->platform_of_node, \ 66 NULL, list_name, cells_name, NULL) 67 int asoc_simple_card_parse_dai(struct device_node *node, 68 struct device_node **endpoint_np, 69 const char **dai_name, 70 const char *list_name, 71 const char *cells_name, 72 int *is_single_links); 73 74 #define asoc_simple_card_parse_graph_cpu(ep, dai_link) \ 75 asoc_simple_card_parse_graph_dai(ep, &dai_link->cpu_of_node, \ 76 &dai_link->cpu_dai_name) 77 #define asoc_simple_card_parse_graph_codec(ep, dai_link) \ 78 asoc_simple_card_parse_graph_dai(ep, &dai_link->codec_of_node, \ 79 &dai_link->codec_dai_name) 80 int asoc_simple_card_parse_graph_dai(struct device_node *ep, 81 struct device_node **endpoint_np, 82 const char **dai_name); 83 84 #define asoc_simple_card_of_parse_tdm(np, dai) \ 85 snd_soc_of_parse_tdm_slot(np, &(dai)->tx_slot_mask, \ 86 &(dai)->rx_slot_mask, \ 87 &(dai)->slots, \ 88 &(dai)->slot_width); 89 90 int asoc_simple_card_init_dai(struct snd_soc_dai *dai, 91 struct asoc_simple_dai *simple_dai); 92 93 int asoc_simple_card_canonicalize_dailink(struct snd_soc_dai_link *dai_link); 94 void asoc_simple_card_canonicalize_cpu(struct snd_soc_dai_link *dai_link, 95 int is_single_links); 96 97 int asoc_simple_card_clean_reference(struct snd_soc_card *card); 98 99 void asoc_simple_card_convert_fixup(struct asoc_simple_card_data *data, 100 struct snd_pcm_hw_params *params); 101 void asoc_simple_card_parse_convert(struct device *dev, char *prefix, 102 struct asoc_simple_card_data *data); 103 104 int asoc_simple_card_of_parse_routing(struct snd_soc_card *card, 105 char *prefix, 106 int optional); 107 int asoc_simple_card_of_parse_widgets(struct snd_soc_card *card, 108 char *prefix); 109 110 #endif /* __SIMPLE_CARD_UTILS_H */ 111