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_tdm_width_map { 20 u8 sample_bits; 21 u8 slot_count; 22 u16 slot_width; 23 }; 24 25 struct asoc_simple_dai { 26 const char *name; 27 unsigned int sysclk; 28 int clk_direction; 29 int slots; 30 int slot_width; 31 unsigned int tx_slot_mask; 32 unsigned int rx_slot_mask; 33 struct clk *clk; 34 bool clk_fixed; 35 struct asoc_simple_tdm_width_map *tdm_width_map; 36 int n_tdm_widths; 37 }; 38 39 struct asoc_simple_data { 40 u32 convert_rate; 41 u32 convert_channels; 42 const char *convert_sample_format; 43 }; 44 45 struct asoc_simple_jack { 46 struct snd_soc_jack jack; 47 struct snd_soc_jack_pin pin; 48 struct snd_soc_jack_gpio gpio; 49 }; 50 51 struct prop_nums { 52 int cpus; 53 int codecs; 54 int platforms; 55 }; 56 57 struct asoc_simple_priv { 58 struct snd_soc_card snd_card; 59 struct simple_dai_props { 60 struct asoc_simple_dai *cpu_dai; 61 struct asoc_simple_dai *codec_dai; 62 struct snd_soc_dai_link_component *cpus; 63 struct snd_soc_dai_link_component *codecs; 64 struct snd_soc_dai_link_component *platforms; 65 struct asoc_simple_data adata; 66 struct snd_soc_codec_conf *codec_conf; 67 struct prop_nums num; 68 unsigned int mclk_fs; 69 } *dai_props; 70 struct asoc_simple_jack hp_jack; 71 struct asoc_simple_jack mic_jack; 72 struct snd_soc_jack *aux_jacks; 73 struct snd_soc_dai_link *dai_link; 74 struct asoc_simple_dai *dais; 75 struct snd_soc_dai_link_component *dlcs; 76 struct snd_soc_dai_link_component dummy; 77 struct snd_soc_codec_conf *codec_conf; 78 struct gpio_desc *pa_gpio; 79 const struct snd_soc_ops *ops; 80 unsigned int dpcm_selectable:1; 81 unsigned int force_dpcm:1; 82 }; 83 #define simple_priv_to_card(priv) (&(priv)->snd_card) 84 #define simple_priv_to_props(priv, i) ((priv)->dai_props + (i)) 85 #define simple_priv_to_dev(priv) (simple_priv_to_card(priv)->dev) 86 #define simple_priv_to_link(priv, i) (simple_priv_to_card(priv)->dai_link + (i)) 87 88 #define simple_props_to_dlc_cpu(props, i) ((props)->cpus + i) 89 #define simple_props_to_dlc_codec(props, i) ((props)->codecs + i) 90 #define simple_props_to_dlc_platform(props, i) ((props)->platforms + i) 91 92 #define simple_props_to_dai_cpu(props, i) ((props)->cpu_dai + i) 93 #define simple_props_to_dai_codec(props, i) ((props)->codec_dai + i) 94 #define simple_props_to_codec_conf(props, i) ((props)->codec_conf + i) 95 96 #define for_each_prop_dlc_cpus(props, i, cpu) \ 97 for ((i) = 0; \ 98 ((i) < (props)->num.cpus) && \ 99 ((cpu) = simple_props_to_dlc_cpu(props, i)); \ 100 (i)++) 101 #define for_each_prop_dlc_codecs(props, i, codec) \ 102 for ((i) = 0; \ 103 ((i) < (props)->num.codecs) && \ 104 ((codec) = simple_props_to_dlc_codec(props, i)); \ 105 (i)++) 106 #define for_each_prop_dlc_platforms(props, i, platform) \ 107 for ((i) = 0; \ 108 ((i) < (props)->num.platforms) && \ 109 ((platform) = simple_props_to_dlc_platform(props, i)); \ 110 (i)++) 111 #define for_each_prop_codec_conf(props, i, conf) \ 112 for ((i) = 0; \ 113 ((i) < (props)->num.codecs) && \ 114 (props)->codec_conf && \ 115 ((conf) = simple_props_to_codec_conf(props, i)); \ 116 (i)++) 117 118 #define for_each_prop_dai_cpu(props, i, cpu) \ 119 for ((i) = 0; \ 120 ((i) < (props)->num.cpus) && \ 121 ((cpu) = simple_props_to_dai_cpu(props, i)); \ 122 (i)++) 123 #define for_each_prop_dai_codec(props, i, codec) \ 124 for ((i) = 0; \ 125 ((i) < (props)->num.codecs) && \ 126 ((codec) = simple_props_to_dai_codec(props, i)); \ 127 (i)++) 128 129 #define SNDRV_MAX_LINKS 512 130 131 struct link_info { 132 int link; /* number of link */ 133 int cpu; /* turn for CPU / Codec */ 134 struct prop_nums num[SNDRV_MAX_LINKS]; 135 }; 136 137 int asoc_simple_parse_daifmt(struct device *dev, 138 struct device_node *node, 139 struct device_node *codec, 140 char *prefix, 141 unsigned int *retfmt); 142 int asoc_simple_parse_tdm_width_map(struct device *dev, struct device_node *np, 143 struct asoc_simple_dai *dai); 144 145 __printf(3, 4) 146 int asoc_simple_set_dailink_name(struct device *dev, 147 struct snd_soc_dai_link *dai_link, 148 const char *fmt, ...); 149 int asoc_simple_parse_card_name(struct snd_soc_card *card, 150 char *prefix); 151 152 int asoc_simple_parse_clk(struct device *dev, 153 struct device_node *node, 154 struct asoc_simple_dai *simple_dai, 155 struct snd_soc_dai_link_component *dlc); 156 int asoc_simple_startup(struct snd_pcm_substream *substream); 157 void asoc_simple_shutdown(struct snd_pcm_substream *substream); 158 int asoc_simple_hw_params(struct snd_pcm_substream *substream, 159 struct snd_pcm_hw_params *params); 160 int asoc_simple_dai_init(struct snd_soc_pcm_runtime *rtd); 161 int asoc_simple_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, 162 struct snd_pcm_hw_params *params); 163 164 #define asoc_simple_parse_tdm(np, dai) \ 165 snd_soc_of_parse_tdm_slot(np, &(dai)->tx_slot_mask, \ 166 &(dai)->rx_slot_mask, \ 167 &(dai)->slots, \ 168 &(dai)->slot_width); 169 170 void asoc_simple_canonicalize_platform(struct snd_soc_dai_link_component *platforms, 171 struct snd_soc_dai_link_component *cpus); 172 void asoc_simple_canonicalize_cpu(struct snd_soc_dai_link_component *cpus, 173 int is_single_links); 174 175 void asoc_simple_clean_reference(struct snd_soc_card *card); 176 177 void asoc_simple_parse_convert(struct device_node *np, char *prefix, 178 struct asoc_simple_data *data); 179 bool asoc_simple_is_convert_required(const struct asoc_simple_data *data); 180 181 int asoc_simple_parse_routing(struct snd_soc_card *card, 182 char *prefix); 183 int asoc_simple_parse_widgets(struct snd_soc_card *card, 184 char *prefix); 185 int asoc_simple_parse_pin_switches(struct snd_soc_card *card, 186 char *prefix); 187 188 int asoc_simple_init_jack(struct snd_soc_card *card, 189 struct asoc_simple_jack *sjack, 190 int is_hp, char *prefix, char *pin); 191 int asoc_simple_init_aux_jacks(struct asoc_simple_priv *priv, 192 char *prefix); 193 int asoc_simple_init_priv(struct asoc_simple_priv *priv, 194 struct link_info *li); 195 int asoc_simple_remove(struct platform_device *pdev); 196 197 int asoc_graph_card_probe(struct snd_soc_card *card); 198 int asoc_graph_is_ports0(struct device_node *port); 199 200 #ifdef DEBUG 201 static inline void asoc_simple_debug_dai(struct asoc_simple_priv *priv, 202 char *name, 203 struct asoc_simple_dai *dai) 204 { 205 struct device *dev = simple_priv_to_dev(priv); 206 207 /* dai might be NULL */ 208 if (!dai) 209 return; 210 211 if (dai->name) 212 dev_dbg(dev, "%s dai name = %s\n", 213 name, dai->name); 214 215 if (dai->slots) 216 dev_dbg(dev, "%s slots = %d\n", name, dai->slots); 217 if (dai->slot_width) 218 dev_dbg(dev, "%s slot width = %d\n", name, dai->slot_width); 219 if (dai->tx_slot_mask) 220 dev_dbg(dev, "%s tx slot mask = %d\n", name, dai->tx_slot_mask); 221 if (dai->rx_slot_mask) 222 dev_dbg(dev, "%s rx slot mask = %d\n", name, dai->rx_slot_mask); 223 if (dai->clk) 224 dev_dbg(dev, "%s clk %luHz\n", name, clk_get_rate(dai->clk)); 225 if (dai->sysclk) 226 dev_dbg(dev, "%s sysclk = %dHz\n", 227 name, dai->sysclk); 228 if (dai->clk || dai->sysclk) 229 dev_dbg(dev, "%s direction = %s\n", 230 name, dai->clk_direction ? "OUT" : "IN"); 231 } 232 233 static inline void asoc_simple_debug_info(struct asoc_simple_priv *priv) 234 { 235 struct snd_soc_card *card = simple_priv_to_card(priv); 236 struct device *dev = simple_priv_to_dev(priv); 237 238 int i; 239 240 if (card->name) 241 dev_dbg(dev, "Card Name: %s\n", card->name); 242 243 for (i = 0; i < card->num_links; i++) { 244 struct simple_dai_props *props = simple_priv_to_props(priv, i); 245 struct snd_soc_dai_link *link = simple_priv_to_link(priv, i); 246 struct asoc_simple_dai *dai; 247 struct snd_soc_codec_conf *cnf; 248 int j; 249 250 dev_dbg(dev, "DAI%d\n", i); 251 252 dev_dbg(dev, "cpu num = %d\n", link->num_cpus); 253 for_each_prop_dai_cpu(props, j, dai) 254 asoc_simple_debug_dai(priv, "cpu", dai); 255 dev_dbg(dev, "codec num = %d\n", link->num_codecs); 256 for_each_prop_dai_codec(props, j, dai) 257 asoc_simple_debug_dai(priv, "codec", dai); 258 259 if (link->name) 260 dev_dbg(dev, "dai name = %s\n", link->name); 261 if (link->dai_fmt) 262 dev_dbg(dev, "dai format = %04x\n", link->dai_fmt); 263 if (props->adata.convert_rate) 264 dev_dbg(dev, "convert_rate = %d\n", props->adata.convert_rate); 265 if (props->adata.convert_channels) 266 dev_dbg(dev, "convert_channels = %d\n", props->adata.convert_channels); 267 for_each_prop_codec_conf(props, j, cnf) 268 if (cnf->name_prefix) 269 dev_dbg(dev, "name prefix = %s\n", cnf->name_prefix); 270 if (props->mclk_fs) 271 dev_dbg(dev, "mclk-fs = %d\n", props->mclk_fs); 272 } 273 } 274 #else 275 #define asoc_simple_debug_info(priv) 276 #endif /* DEBUG */ 277 278 #endif /* __SIMPLE_CARD_UTILS_H */ 279