1 /* SPDX-License-Identifier: GPL-2.0 2 * 3 * simple_card_utils.h 4 * 5 * Copyright (c) 2016 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> 6 */ 7 8 #ifndef __SIMPLE_CARD_UTILS_H 9 #define __SIMPLE_CARD_UTILS_H 10 11 #include <linux/clk.h> 12 #include <sound/soc.h> 13 14 #define asoc_simple_init_hp(card, sjack, prefix) \ 15 asoc_simple_init_jack(card, sjack, 1, prefix, NULL) 16 #define asoc_simple_init_mic(card, sjack, prefix) \ 17 asoc_simple_init_jack(card, sjack, 0, prefix, NULL) 18 19 struct asoc_simple_dai { 20 const char *name; 21 unsigned int sysclk; 22 int clk_direction; 23 int slots; 24 int slot_width; 25 unsigned int tx_slot_mask; 26 unsigned int rx_slot_mask; 27 struct clk *clk; 28 }; 29 30 struct asoc_simple_data { 31 u32 convert_rate; 32 u32 convert_channels; 33 }; 34 35 struct asoc_simple_jack { 36 struct snd_soc_jack jack; 37 struct snd_soc_jack_pin pin; 38 struct snd_soc_jack_gpio gpio; 39 }; 40 41 struct asoc_simple_priv { 42 struct snd_soc_card snd_card; 43 struct simple_dai_props { 44 struct asoc_simple_dai *cpu_dai; 45 struct asoc_simple_dai *codec_dai; 46 struct snd_soc_dai_link_component cpus; /* single cpu */ 47 struct snd_soc_dai_link_component codecs; /* single codec */ 48 struct snd_soc_dai_link_component platforms; 49 struct asoc_simple_data adata; 50 struct snd_soc_codec_conf *codec_conf; 51 unsigned int mclk_fs; 52 } *dai_props; 53 struct asoc_simple_jack hp_jack; 54 struct asoc_simple_jack mic_jack; 55 struct snd_soc_dai_link *dai_link; 56 struct asoc_simple_dai *dais; 57 struct snd_soc_codec_conf *codec_conf; 58 struct gpio_desc *pa_gpio; 59 const struct snd_soc_ops *ops; 60 unsigned int dpcm_selectable:1; 61 unsigned int force_dpcm:1; 62 }; 63 #define simple_priv_to_card(priv) (&(priv)->snd_card) 64 #define simple_priv_to_props(priv, i) ((priv)->dai_props + (i)) 65 #define simple_priv_to_dev(priv) (simple_priv_to_card(priv)->dev) 66 #define simple_priv_to_link(priv, i) (simple_priv_to_card(priv)->dai_link + (i)) 67 68 struct link_info { 69 int dais; /* number of dai */ 70 int link; /* number of link */ 71 int conf; /* number of codec_conf */ 72 int cpu; /* turn for CPU / Codec */ 73 }; 74 75 int asoc_simple_parse_daifmt(struct device *dev, 76 struct device_node *node, 77 struct device_node *codec, 78 char *prefix, 79 unsigned int *retfmt); 80 __printf(3, 4) 81 int asoc_simple_set_dailink_name(struct device *dev, 82 struct snd_soc_dai_link *dai_link, 83 const char *fmt, ...); 84 int asoc_simple_parse_card_name(struct snd_soc_card *card, 85 char *prefix); 86 87 #define asoc_simple_parse_clk_cpu(dev, node, dai_link, simple_dai) \ 88 asoc_simple_parse_clk(dev, node, simple_dai, dai_link->cpus) 89 #define asoc_simple_parse_clk_codec(dev, node, dai_link, simple_dai) \ 90 asoc_simple_parse_clk(dev, node, simple_dai, dai_link->codecs) 91 int asoc_simple_parse_clk(struct device *dev, 92 struct device_node *node, 93 struct asoc_simple_dai *simple_dai, 94 struct snd_soc_dai_link_component *dlc); 95 int asoc_simple_startup(struct snd_pcm_substream *substream); 96 void asoc_simple_shutdown(struct snd_pcm_substream *substream); 97 int asoc_simple_hw_params(struct snd_pcm_substream *substream, 98 struct snd_pcm_hw_params *params); 99 int asoc_simple_dai_init(struct snd_soc_pcm_runtime *rtd); 100 int asoc_simple_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, 101 struct snd_pcm_hw_params *params); 102 103 #define asoc_simple_parse_cpu(node, dai_link, is_single_link) \ 104 asoc_simple_parse_dai(node, dai_link->cpus, is_single_link) 105 #define asoc_simple_parse_codec(node, dai_link) \ 106 asoc_simple_parse_dai(node, dai_link->codecs, NULL) 107 #define asoc_simple_parse_platform(node, dai_link) \ 108 asoc_simple_parse_dai(node, dai_link->platforms, NULL) 109 110 #define asoc_simple_parse_tdm(np, dai) \ 111 snd_soc_of_parse_tdm_slot(np, &(dai)->tx_slot_mask, \ 112 &(dai)->rx_slot_mask, \ 113 &(dai)->slots, \ 114 &(dai)->slot_width); 115 116 void asoc_simple_canonicalize_platform(struct snd_soc_dai_link *dai_link); 117 void asoc_simple_canonicalize_cpu(struct snd_soc_dai_link *dai_link, 118 int is_single_links); 119 120 int asoc_simple_clean_reference(struct snd_soc_card *card); 121 122 void asoc_simple_convert_fixup(struct asoc_simple_data *data, 123 struct snd_pcm_hw_params *params); 124 void asoc_simple_parse_convert(struct device *dev, 125 struct device_node *np, char *prefix, 126 struct asoc_simple_data *data); 127 128 int asoc_simple_parse_routing(struct snd_soc_card *card, 129 char *prefix); 130 int asoc_simple_parse_widgets(struct snd_soc_card *card, 131 char *prefix); 132 int asoc_simple_parse_pin_switches(struct snd_soc_card *card, 133 char *prefix); 134 135 int asoc_simple_init_jack(struct snd_soc_card *card, 136 struct asoc_simple_jack *sjack, 137 int is_hp, char *prefix, char *pin); 138 int asoc_simple_init_priv(struct asoc_simple_priv *priv, 139 struct link_info *li); 140 141 #ifdef DEBUG 142 static inline void asoc_simple_debug_dai(struct asoc_simple_priv *priv, 143 char *name, 144 struct asoc_simple_dai *dai) 145 { 146 struct device *dev = simple_priv_to_dev(priv); 147 148 /* dai might be NULL */ 149 if (!dai) 150 return; 151 152 if (dai->name) 153 dev_dbg(dev, "%s dai name = %s\n", 154 name, dai->name); 155 if (dai->sysclk) 156 dev_dbg(dev, "%s sysclk = %d\n", 157 name, dai->sysclk); 158 159 dev_dbg(dev, "%s direction = %s\n", 160 name, dai->clk_direction ? "OUT" : "IN"); 161 162 if (dai->slots) 163 dev_dbg(dev, "%s slots = %d\n", name, dai->slots); 164 if (dai->slot_width) 165 dev_dbg(dev, "%s slot width = %d\n", name, dai->slot_width); 166 if (dai->tx_slot_mask) 167 dev_dbg(dev, "%s tx slot mask = %d\n", name, dai->tx_slot_mask); 168 if (dai->rx_slot_mask) 169 dev_dbg(dev, "%s rx slot mask = %d\n", name, dai->rx_slot_mask); 170 if (dai->clk) 171 dev_dbg(dev, "%s clk %luHz\n", name, clk_get_rate(dai->clk)); 172 } 173 174 static inline void asoc_simple_debug_info(struct asoc_simple_priv *priv) 175 { 176 struct snd_soc_card *card = simple_priv_to_card(priv); 177 struct device *dev = simple_priv_to_dev(priv); 178 179 int i; 180 181 if (card->name) 182 dev_dbg(dev, "Card Name: %s\n", card->name); 183 184 for (i = 0; i < card->num_links; i++) { 185 struct simple_dai_props *props = simple_priv_to_props(priv, i); 186 struct snd_soc_dai_link *link = simple_priv_to_link(priv, i); 187 188 dev_dbg(dev, "DAI%d\n", i); 189 190 asoc_simple_debug_dai(priv, "cpu", props->cpu_dai); 191 asoc_simple_debug_dai(priv, "codec", props->codec_dai); 192 193 if (link->name) 194 dev_dbg(dev, "dai name = %s\n", link->name); 195 196 dev_dbg(dev, "dai format = %04x\n", link->dai_fmt); 197 198 if (props->adata.convert_rate) 199 dev_dbg(dev, "convert_rate = %d\n", 200 props->adata.convert_rate); 201 if (props->adata.convert_channels) 202 dev_dbg(dev, "convert_channels = %d\n", 203 props->adata.convert_channels); 204 if (props->codec_conf && props->codec_conf->name_prefix) 205 dev_dbg(dev, "name prefix = %s\n", 206 props->codec_conf->name_prefix); 207 if (props->mclk_fs) 208 dev_dbg(dev, "mclk-fs = %d\n", 209 props->mclk_fs); 210 } 211 } 212 #else 213 #define asoc_simple_debug_info(priv) 214 #endif /* DEBUG */ 215 216 #endif /* __SIMPLE_CARD_UTILS_H */ 217