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