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