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 prop_nums { 42 int cpus; 43 int codecs; 44 int platforms; 45 int c2c; 46 }; 47 48 struct asoc_simple_priv { 49 struct snd_soc_card snd_card; 50 struct simple_dai_props { 51 struct asoc_simple_dai *cpu_dai; 52 struct asoc_simple_dai *codec_dai; 53 struct snd_soc_dai_link_component *cpus; 54 struct snd_soc_dai_link_component *codecs; 55 struct snd_soc_dai_link_component *platforms; 56 struct asoc_simple_data adata; 57 struct snd_soc_codec_conf *codec_conf; 58 struct snd_soc_pcm_stream *c2c_conf; 59 struct prop_nums num; 60 unsigned int mclk_fs; 61 } *dai_props; 62 struct asoc_simple_jack hp_jack; 63 struct asoc_simple_jack mic_jack; 64 struct snd_soc_dai_link *dai_link; 65 struct asoc_simple_dai *dais; 66 struct snd_soc_dai_link_component *dlcs; 67 struct snd_soc_dai_link_component dummy; 68 struct snd_soc_codec_conf *codec_conf; 69 struct snd_soc_pcm_stream *c2c_conf; 70 struct gpio_desc *pa_gpio; 71 const struct snd_soc_ops *ops; 72 unsigned int dpcm_selectable:1; 73 unsigned int force_dpcm:1; 74 }; 75 #define simple_priv_to_card(priv) (&(priv)->snd_card) 76 #define simple_priv_to_props(priv, i) ((priv)->dai_props + (i)) 77 #define simple_priv_to_dev(priv) (simple_priv_to_card(priv)->dev) 78 #define simple_priv_to_link(priv, i) (simple_priv_to_card(priv)->dai_link + (i)) 79 80 #define simple_props_to_dlc_cpu(props, i) ((props)->cpus + i) 81 #define simple_props_to_dlc_codec(props, i) ((props)->codecs + i) 82 #define simple_props_to_dlc_platform(props, i) ((props)->platforms + i) 83 84 #define simple_props_to_dai_cpu(props, i) ((props)->cpu_dai + i) 85 #define simple_props_to_dai_codec(props, i) ((props)->codec_dai + i) 86 #define simple_props_to_codec_conf(props, i) ((props)->codec_conf + i) 87 88 #define for_each_prop_dlc_cpus(props, i, cpu) \ 89 for ((i) = 0; \ 90 ((i) < (props)->num.cpus) && \ 91 ((cpu) = simple_props_to_dlc_cpu(props, i)); \ 92 (i)++) 93 #define for_each_prop_dlc_codecs(props, i, codec) \ 94 for ((i) = 0; \ 95 ((i) < (props)->num.codecs) && \ 96 ((codec) = simple_props_to_dlc_codec(props, i)); \ 97 (i)++) 98 #define for_each_prop_dlc_platforms(props, i, platform) \ 99 for ((i) = 0; \ 100 ((i) < (props)->num.platforms) && \ 101 ((platform) = simple_props_to_dlc_platform(props, i)); \ 102 (i)++) 103 #define for_each_prop_codec_conf(props, i, conf) \ 104 for ((i) = 0; \ 105 ((i) < (props)->num.codecs) && \ 106 (props)->codec_conf && \ 107 ((conf) = simple_props_to_codec_conf(props, i)); \ 108 (i)++) 109 110 #define for_each_prop_dai_cpu(props, i, cpu) \ 111 for ((i) = 0; \ 112 ((i) < (props)->num.cpus) && \ 113 ((cpu) = simple_props_to_dai_cpu(props, i)); \ 114 (i)++) 115 #define for_each_prop_dai_codec(props, i, codec) \ 116 for ((i) = 0; \ 117 ((i) < (props)->num.codecs) && \ 118 ((codec) = simple_props_to_dai_codec(props, i)); \ 119 (i)++) 120 121 #define SNDRV_MAX_LINKS 512 122 123 struct link_info { 124 int link; /* number of link */ 125 int cpu; /* turn for CPU / Codec */ 126 struct prop_nums num[SNDRV_MAX_LINKS]; 127 }; 128 129 int asoc_simple_parse_daifmt(struct device *dev, 130 struct device_node *node, 131 struct device_node *codec, 132 char *prefix, 133 unsigned int *retfmt); 134 __printf(3, 4) 135 int asoc_simple_set_dailink_name(struct device *dev, 136 struct snd_soc_dai_link *dai_link, 137 const char *fmt, ...); 138 int asoc_simple_parse_card_name(struct snd_soc_card *card, 139 char *prefix); 140 141 int asoc_simple_parse_clk(struct device *dev, 142 struct device_node *node, 143 struct asoc_simple_dai *simple_dai, 144 struct snd_soc_dai_link_component *dlc); 145 int asoc_simple_startup(struct snd_pcm_substream *substream); 146 void asoc_simple_shutdown(struct snd_pcm_substream *substream); 147 int asoc_simple_hw_params(struct snd_pcm_substream *substream, 148 struct snd_pcm_hw_params *params); 149 int asoc_simple_dai_init(struct snd_soc_pcm_runtime *rtd); 150 int asoc_simple_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, 151 struct snd_pcm_hw_params *params); 152 153 #define asoc_simple_parse_tdm(np, dai) \ 154 snd_soc_of_parse_tdm_slot(np, &(dai)->tx_slot_mask, \ 155 &(dai)->rx_slot_mask, \ 156 &(dai)->slots, \ 157 &(dai)->slot_width); 158 159 void asoc_simple_canonicalize_platform(struct snd_soc_dai_link_component *platforms, 160 struct snd_soc_dai_link_component *cpus); 161 void asoc_simple_canonicalize_cpu(struct snd_soc_dai_link_component *cpus, 162 int is_single_links); 163 164 int asoc_simple_clean_reference(struct snd_soc_card *card); 165 166 void asoc_simple_convert_fixup(struct asoc_simple_data *data, 167 struct snd_pcm_hw_params *params); 168 void asoc_simple_parse_convert(struct device_node *np, char *prefix, 169 struct asoc_simple_data *data); 170 171 int asoc_simple_parse_routing(struct snd_soc_card *card, 172 char *prefix); 173 int asoc_simple_parse_widgets(struct snd_soc_card *card, 174 char *prefix); 175 int asoc_simple_parse_pin_switches(struct snd_soc_card *card, 176 char *prefix); 177 178 int asoc_simple_init_jack(struct snd_soc_card *card, 179 struct asoc_simple_jack *sjack, 180 int is_hp, char *prefix, char *pin); 181 int asoc_simple_init_priv(struct asoc_simple_priv *priv, 182 struct link_info *li); 183 int asoc_simple_remove(struct platform_device *pdev); 184 185 int asoc_graph_card_probe(struct snd_soc_card *card); 186 int asoc_graph_is_ports0(struct device_node *port); 187 188 #ifdef DEBUG 189 static inline void asoc_simple_debug_dai(struct asoc_simple_priv *priv, 190 char *name, 191 struct asoc_simple_dai *dai) 192 { 193 struct device *dev = simple_priv_to_dev(priv); 194 195 /* dai might be NULL */ 196 if (!dai) 197 return; 198 199 if (dai->name) 200 dev_dbg(dev, "%s dai name = %s\n", 201 name, dai->name); 202 203 if (dai->slots) 204 dev_dbg(dev, "%s slots = %d\n", name, dai->slots); 205 if (dai->slot_width) 206 dev_dbg(dev, "%s slot width = %d\n", name, dai->slot_width); 207 if (dai->tx_slot_mask) 208 dev_dbg(dev, "%s tx slot mask = %d\n", name, dai->tx_slot_mask); 209 if (dai->rx_slot_mask) 210 dev_dbg(dev, "%s rx slot mask = %d\n", name, dai->rx_slot_mask); 211 if (dai->clk) 212 dev_dbg(dev, "%s clk %luHz\n", name, clk_get_rate(dai->clk)); 213 if (dai->sysclk) 214 dev_dbg(dev, "%s sysclk = %dHz\n", 215 name, dai->sysclk); 216 if (dai->clk || dai->sysclk) 217 dev_dbg(dev, "%s direction = %s\n", 218 name, dai->clk_direction ? "OUT" : "IN"); 219 } 220 221 static inline void asoc_simple_debug_info(struct asoc_simple_priv *priv) 222 { 223 struct snd_soc_card *card = simple_priv_to_card(priv); 224 struct device *dev = simple_priv_to_dev(priv); 225 226 int i; 227 228 if (card->name) 229 dev_dbg(dev, "Card Name: %s\n", card->name); 230 231 for (i = 0; i < card->num_links; i++) { 232 struct simple_dai_props *props = simple_priv_to_props(priv, i); 233 struct snd_soc_dai_link *link = simple_priv_to_link(priv, i); 234 struct asoc_simple_dai *dai; 235 struct snd_soc_codec_conf *cnf; 236 int j; 237 238 dev_dbg(dev, "DAI%d\n", i); 239 240 dev_dbg(dev, "cpu num = %d\n", link->num_cpus); 241 for_each_prop_dai_cpu(props, j, dai) 242 asoc_simple_debug_dai(priv, "cpu", dai); 243 dev_dbg(dev, "codec num = %d\n", link->num_codecs); 244 for_each_prop_dai_codec(props, j, dai) 245 asoc_simple_debug_dai(priv, "codec", dai); 246 247 if (link->name) 248 dev_dbg(dev, "dai name = %s\n", link->name); 249 if (link->dai_fmt) 250 dev_dbg(dev, "dai format = %04x\n", link->dai_fmt); 251 if (props->adata.convert_rate) 252 dev_dbg(dev, "convert_rate = %d\n", props->adata.convert_rate); 253 if (props->adata.convert_channels) 254 dev_dbg(dev, "convert_channels = %d\n", props->adata.convert_channels); 255 for_each_prop_codec_conf(props, j, cnf) 256 if (cnf->name_prefix) 257 dev_dbg(dev, "name prefix = %s\n", cnf->name_prefix); 258 if (props->mclk_fs) 259 dev_dbg(dev, "mclk-fs = %d\n", props->mclk_fs); 260 } 261 } 262 #else 263 #define asoc_simple_debug_info(priv) 264 #endif /* DEBUG */ 265 266 #endif /* __SIMPLE_CARD_UTILS_H */ 267