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 simple_util_init_hp(card, sjack, prefix) \ 15 simple_util_init_jack(card, sjack, 1, prefix, NULL) 16 #define simple_util_init_mic(card, sjack, prefix) \ 17 simple_util_init_jack(card, sjack, 0, prefix, NULL) 18 19 struct simple_util_tdm_width_map { 20 u8 sample_bits; 21 u8 slot_count; 22 u16 slot_width; 23 }; 24 25 struct simple_util_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 simple_util_tdm_width_map *tdm_width_map; 36 int n_tdm_widths; 37 }; 38 39 struct simple_util_data { 40 u32 convert_rate; 41 u32 convert_channels; 42 const char *convert_sample_format; 43 }; 44 45 struct simple_util_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 enum simple_util_sysclk_order { 58 SIMPLE_SYSCLK_ORDER_CODEC_FIRST = 0, 59 SIMPLE_SYSCLK_ORDER_CPU_FIRST, 60 }; 61 62 struct simple_util_priv { 63 struct snd_soc_card snd_card; 64 struct simple_dai_props { 65 struct simple_util_dai *cpu_dai; 66 struct simple_util_dai *codec_dai; 67 struct simple_util_data adata; 68 struct snd_soc_codec_conf *codec_conf; 69 struct prop_nums num; 70 unsigned int mclk_fs; 71 enum simple_util_sysclk_order sysclk_order; 72 } *dai_props; 73 struct simple_util_jack hp_jack; 74 struct simple_util_jack mic_jack; 75 struct snd_soc_jack *aux_jacks; 76 struct snd_soc_dai_link *dai_link; 77 struct simple_util_dai *dais; 78 struct snd_soc_dai_link_component *dlcs; 79 struct snd_soc_codec_conf *codec_conf; 80 struct gpio_desc *pa_gpio; 81 const struct snd_soc_ops *ops; 82 unsigned int dpcm_selectable:1; 83 unsigned int force_dpcm:1; 84 }; 85 #define simple_priv_to_card(priv) (&(priv)->snd_card) 86 #define simple_priv_to_props(priv, i) ((priv)->dai_props + (i)) 87 #define simple_priv_to_dev(priv) (simple_priv_to_card(priv)->dev) 88 #define simple_priv_to_link(priv, i) (simple_priv_to_card(priv)->dai_link + (i)) 89 90 #define simple_props_to_dlc_cpu(props, i) ((props)->cpus + i) 91 #define simple_props_to_dlc_codec(props, i) ((props)->codecs + i) 92 #define simple_props_to_dlc_platform(props, i) ((props)->platforms + i) 93 94 #define simple_props_to_dai_cpu(props, i) ((props)->cpu_dai + i) 95 #define simple_props_to_dai_codec(props, i) ((props)->codec_dai + i) 96 #define simple_props_to_codec_conf(props, i) ((props)->codec_conf + i) 97 98 /* has the same effect as simple_priv_to_props(). Preferred over 99 * simple_priv_to_props() when dealing with PCM runtime data as 100 * the ID stored in rtd->id may not be a valid array index. 101 */ 102 #define runtime_simple_priv_to_props(priv, rtd) \ 103 ((priv)->dai_props + ((rtd)->dai_link - (priv)->dai_link)) 104 105 #define for_each_prop_dlc_cpus(props, i, cpu) \ 106 for ((i) = 0; \ 107 ((i) < (props)->num.cpus) && \ 108 ((cpu) = simple_props_to_dlc_cpu(props, i)); \ 109 (i)++) 110 #define for_each_prop_dlc_codecs(props, i, codec) \ 111 for ((i) = 0; \ 112 ((i) < (props)->num.codecs) && \ 113 ((codec) = simple_props_to_dlc_codec(props, i)); \ 114 (i)++) 115 #define for_each_prop_dlc_platforms(props, i, platform) \ 116 for ((i) = 0; \ 117 ((i) < (props)->num.platforms) && \ 118 ((platform) = simple_props_to_dlc_platform(props, i)); \ 119 (i)++) 120 #define for_each_prop_codec_conf(props, i, conf) \ 121 for ((i) = 0; \ 122 ((i) < (props)->num.codecs) && \ 123 (props)->codec_conf && \ 124 ((conf) = simple_props_to_codec_conf(props, i)); \ 125 (i)++) 126 127 #define for_each_prop_dai_cpu(props, i, cpu) \ 128 for ((i) = 0; \ 129 ((i) < (props)->num.cpus) && \ 130 ((cpu) = simple_props_to_dai_cpu(props, i)); \ 131 (i)++) 132 #define for_each_prop_dai_codec(props, i, codec) \ 133 for ((i) = 0; \ 134 ((i) < (props)->num.codecs) && \ 135 ((codec) = simple_props_to_dai_codec(props, i)); \ 136 (i)++) 137 138 #define SNDRV_MAX_LINKS 512 139 140 struct link_info { 141 int link; /* number of link */ 142 int cpu; /* turn for CPU / Codec */ 143 struct prop_nums num[SNDRV_MAX_LINKS]; 144 }; 145 146 int simple_util_parse_daifmt(struct device *dev, 147 struct device_node *node, 148 struct device_node *codec, 149 char *prefix, 150 unsigned int *retfmt); 151 int simple_util_parse_tdm_width_map(struct simple_util_priv *priv, struct device_node *np, 152 struct simple_util_dai *dai); 153 154 __printf(3, 4) 155 int simple_util_set_dailink_name(struct simple_util_priv *priv, 156 struct snd_soc_dai_link *dai_link, 157 const char *fmt, ...); 158 int simple_util_parse_card_name(struct simple_util_priv *priv, 159 char *prefix); 160 161 int simple_util_parse_clk(struct device *dev, 162 struct device_node *node, 163 struct simple_util_dai *simple_dai, 164 struct snd_soc_dai_link_component *dlc); 165 int simple_util_startup(struct snd_pcm_substream *substream); 166 void simple_util_shutdown(struct snd_pcm_substream *substream); 167 int simple_util_hw_params(struct snd_pcm_substream *substream, 168 struct snd_pcm_hw_params *params); 169 int simple_util_dai_init(struct snd_soc_pcm_runtime *rtd); 170 int simple_util_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, 171 struct snd_pcm_hw_params *params); 172 173 #define simple_util_parse_tdm(np, dai) \ 174 snd_soc_of_parse_tdm_slot(np, &(dai)->tx_slot_mask, \ 175 &(dai)->rx_slot_mask, \ 176 &(dai)->slots, \ 177 &(dai)->slot_width); 178 179 void simple_util_canonicalize_platform(struct snd_soc_dai_link_component *platforms, 180 struct snd_soc_dai_link_component *cpus); 181 void simple_util_canonicalize_cpu(struct snd_soc_dai_link_component *cpus, 182 int is_single_links); 183 184 void simple_util_clean_reference(struct snd_soc_card *card); 185 186 void simple_util_parse_convert(struct device_node *np, char *prefix, 187 struct simple_util_data *data); 188 bool simple_util_is_convert_required(const struct simple_util_data *data); 189 190 int simple_util_get_sample_fmt(struct simple_util_data *data); 191 192 int simple_util_parse_routing(struct snd_soc_card *card, 193 char *prefix); 194 int simple_util_parse_widgets(struct snd_soc_card *card, 195 char *prefix); 196 int simple_util_parse_pin_switches(struct snd_soc_card *card, 197 char *prefix); 198 199 int simple_util_init_jack(struct snd_soc_card *card, 200 struct simple_util_jack *sjack, 201 int is_hp, char *prefix, char *pin); 202 int simple_util_init_aux_jacks(struct simple_util_priv *priv, 203 char *prefix); 204 int simple_util_init_priv(struct simple_util_priv *priv, 205 struct link_info *li); 206 void simple_util_remove(struct platform_device *pdev); 207 208 int graph_util_card_probe(struct snd_soc_card *card); 209 int graph_util_is_ports0(struct device_node *port); 210 int graph_util_parse_dai(struct simple_util_priv *priv, struct device_node *ep, 211 struct snd_soc_dai_link_component *dlc, int *is_single_link); 212 213 void graph_util_parse_link_direction(struct device_node *np, 214 bool *is_playback_only, bool *is_capture_only); 215 void graph_util_parse_trigger_order(struct simple_util_priv *priv, 216 struct device_node *np, 217 enum snd_soc_trigger_order *trigger_start, 218 enum snd_soc_trigger_order *trigger_stop); 219 220 #ifdef DEBUG 221 static inline void simple_util_debug_dai(struct simple_util_priv *priv, 222 char *name, 223 struct simple_util_dai *dai) 224 { 225 struct device *dev = simple_priv_to_dev(priv); 226 227 /* dai might be NULL */ 228 if (!dai) 229 return; 230 231 if (dai->name) 232 dev_dbg(dev, "%s dai name = %s\n", 233 name, dai->name); 234 235 if (dai->slots) 236 dev_dbg(dev, "%s slots = %d\n", name, dai->slots); 237 if (dai->slot_width) 238 dev_dbg(dev, "%s slot width = %d\n", name, dai->slot_width); 239 if (dai->tx_slot_mask) 240 dev_dbg(dev, "%s tx slot mask = %d\n", name, dai->tx_slot_mask); 241 if (dai->rx_slot_mask) 242 dev_dbg(dev, "%s rx slot mask = %d\n", name, dai->rx_slot_mask); 243 if (dai->clk) 244 dev_dbg(dev, "%s clk %luHz\n", name, clk_get_rate(dai->clk)); 245 if (dai->sysclk) 246 dev_dbg(dev, "%s sysclk = %dHz\n", 247 name, dai->sysclk); 248 if (dai->clk || dai->sysclk) 249 dev_dbg(dev, "%s direction = %s\n", 250 name, dai->clk_direction ? "OUT" : "IN"); 251 } 252 253 static inline void simple_util_debug_info(struct simple_util_priv *priv) 254 { 255 struct snd_soc_card *card = simple_priv_to_card(priv); 256 struct device *dev = simple_priv_to_dev(priv); 257 258 int i; 259 260 if (card->name) 261 dev_dbg(dev, "Card Name: %s\n", card->name); 262 263 for (i = 0; i < card->num_links; i++) { 264 struct simple_dai_props *props = simple_priv_to_props(priv, i); 265 struct snd_soc_dai_link *link = simple_priv_to_link(priv, i); 266 struct simple_util_dai *dai; 267 struct snd_soc_codec_conf *cnf; 268 int j; 269 270 dev_dbg(dev, "DAI%d\n", i); 271 272 dev_dbg(dev, "cpu num = %d\n", link->num_cpus); 273 for_each_prop_dai_cpu(props, j, dai) 274 simple_util_debug_dai(priv, "cpu", dai); 275 dev_dbg(dev, "codec num = %d\n", link->num_codecs); 276 for_each_prop_dai_codec(props, j, dai) 277 simple_util_debug_dai(priv, "codec", dai); 278 279 if (link->name) 280 dev_dbg(dev, "link name = %s\n", link->name); 281 if (link->dai_fmt) 282 dev_dbg(dev, "link format = %04x\n", link->dai_fmt); 283 if (link->playback_only) 284 dev_dbg(dev, "link has playback_only"); 285 if (link->capture_only) 286 dev_dbg(dev, "link has capture_only"); 287 if (props->adata.convert_rate) 288 dev_dbg(dev, "convert_rate = %d\n", props->adata.convert_rate); 289 if (props->adata.convert_channels) 290 dev_dbg(dev, "convert_channels = %d\n", props->adata.convert_channels); 291 for_each_prop_codec_conf(props, j, cnf) 292 if (cnf->name_prefix) 293 dev_dbg(dev, "name prefix = %s\n", cnf->name_prefix); 294 if (props->mclk_fs) 295 dev_dbg(dev, "mclk-fs = %d\n", props->mclk_fs); 296 } 297 } 298 #else 299 #define simple_util_debug_info(priv) 300 #endif /* DEBUG */ 301 302 #endif /* __SIMPLE_CARD_UTILS_H */ 303