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