|  | /* SPDX-License-Identifier: GPL-2.0 | 
|  | * | 
|  | * simple_card_utils.h | 
|  | * | 
|  | * Copyright (c) 2016 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 
|  | */ | 
|  |  | 
|  | #ifndef __SIMPLE_CARD_UTILS_H | 
|  | #define __SIMPLE_CARD_UTILS_H | 
|  |  | 
|  | #include <linux/clk.h> | 
|  | #include <sound/soc.h> | 
|  |  | 
|  | #define asoc_simple_init_hp(card, sjack, prefix) \ | 
|  | asoc_simple_init_jack(card, sjack, 1, prefix, NULL) | 
|  | #define asoc_simple_init_mic(card, sjack, prefix) \ | 
|  | asoc_simple_init_jack(card, sjack, 0, prefix, NULL) | 
|  |  | 
|  | struct asoc_simple_tdm_width_map { | 
|  | u8 sample_bits; | 
|  | u8 slot_count; | 
|  | u16 slot_width; | 
|  | }; | 
|  |  | 
|  | struct asoc_simple_dai { | 
|  | const char *name; | 
|  | unsigned int sysclk; | 
|  | int clk_direction; | 
|  | int slots; | 
|  | int slot_width; | 
|  | unsigned int tx_slot_mask; | 
|  | unsigned int rx_slot_mask; | 
|  | struct clk *clk; | 
|  | bool clk_fixed; | 
|  | struct asoc_simple_tdm_width_map *tdm_width_map; | 
|  | int n_tdm_widths; | 
|  | }; | 
|  |  | 
|  | struct asoc_simple_data { | 
|  | u32 convert_rate; | 
|  | u32 convert_channels; | 
|  | const char *convert_sample_format; | 
|  | }; | 
|  |  | 
|  | struct asoc_simple_jack { | 
|  | struct snd_soc_jack jack; | 
|  | struct snd_soc_jack_pin pin; | 
|  | struct snd_soc_jack_gpio gpio; | 
|  | }; | 
|  |  | 
|  | struct prop_nums { | 
|  | int cpus; | 
|  | int codecs; | 
|  | int platforms; | 
|  | }; | 
|  |  | 
|  | struct asoc_simple_priv { | 
|  | struct snd_soc_card snd_card; | 
|  | struct simple_dai_props { | 
|  | struct asoc_simple_dai *cpu_dai; | 
|  | struct asoc_simple_dai *codec_dai; | 
|  | struct snd_soc_dai_link_component *cpus; | 
|  | struct snd_soc_dai_link_component *codecs; | 
|  | struct snd_soc_dai_link_component *platforms; | 
|  | struct asoc_simple_data adata; | 
|  | struct snd_soc_codec_conf *codec_conf; | 
|  | struct prop_nums num; | 
|  | unsigned int mclk_fs; | 
|  | } *dai_props; | 
|  | struct asoc_simple_jack hp_jack; | 
|  | struct asoc_simple_jack mic_jack; | 
|  | struct snd_soc_dai_link *dai_link; | 
|  | struct asoc_simple_dai *dais; | 
|  | struct snd_soc_dai_link_component *dlcs; | 
|  | struct snd_soc_dai_link_component dummy; | 
|  | struct snd_soc_codec_conf *codec_conf; | 
|  | struct gpio_desc *pa_gpio; | 
|  | const struct snd_soc_ops *ops; | 
|  | unsigned int dpcm_selectable:1; | 
|  | unsigned int force_dpcm:1; | 
|  | }; | 
|  | #define simple_priv_to_card(priv)	(&(priv)->snd_card) | 
|  | #define simple_priv_to_props(priv, i)	((priv)->dai_props + (i)) | 
|  | #define simple_priv_to_dev(priv)	(simple_priv_to_card(priv)->dev) | 
|  | #define simple_priv_to_link(priv, i)	(simple_priv_to_card(priv)->dai_link + (i)) | 
|  |  | 
|  | #define simple_props_to_dlc_cpu(props, i)	((props)->cpus + i) | 
|  | #define simple_props_to_dlc_codec(props, i)	((props)->codecs + i) | 
|  | #define simple_props_to_dlc_platform(props, i)	((props)->platforms + i) | 
|  |  | 
|  | #define simple_props_to_dai_cpu(props, i)	((props)->cpu_dai + i) | 
|  | #define simple_props_to_dai_codec(props, i)	((props)->codec_dai + i) | 
|  | #define simple_props_to_codec_conf(props, i)	((props)->codec_conf + i) | 
|  |  | 
|  | #define for_each_prop_dlc_cpus(props, i, cpu)				\ | 
|  | for ((i) = 0;							\ | 
|  | ((i) < (props)->num.cpus) &&				\ | 
|  | ((cpu) = simple_props_to_dlc_cpu(props, i));	\ | 
|  | (i)++) | 
|  | #define for_each_prop_dlc_codecs(props, i, codec)			\ | 
|  | for ((i) = 0;							\ | 
|  | ((i) < (props)->num.codecs) &&				\ | 
|  | ((codec) = simple_props_to_dlc_codec(props, i));	\ | 
|  | (i)++) | 
|  | #define for_each_prop_dlc_platforms(props, i, platform)			\ | 
|  | for ((i) = 0;							\ | 
|  | ((i) < (props)->num.platforms) &&				\ | 
|  | ((platform) = simple_props_to_dlc_platform(props, i)); \ | 
|  | (i)++) | 
|  | #define for_each_prop_codec_conf(props, i, conf)			\ | 
|  | for ((i) = 0;							\ | 
|  | ((i) < (props)->num.codecs) &&				\ | 
|  | (props)->codec_conf &&				\ | 
|  | ((conf) = simple_props_to_codec_conf(props, i));	\ | 
|  | (i)++) | 
|  |  | 
|  | #define for_each_prop_dai_cpu(props, i, cpu)				\ | 
|  | for ((i) = 0;							\ | 
|  | ((i) < (props)->num.cpus) &&				\ | 
|  | ((cpu) = simple_props_to_dai_cpu(props, i));	\ | 
|  | (i)++) | 
|  | #define for_each_prop_dai_codec(props, i, codec)			\ | 
|  | for ((i) = 0;							\ | 
|  | ((i) < (props)->num.codecs) &&				\ | 
|  | ((codec) = simple_props_to_dai_codec(props, i));	\ | 
|  | (i)++) | 
|  |  | 
|  | #define SNDRV_MAX_LINKS 512 | 
|  |  | 
|  | struct link_info { | 
|  | int link; /* number of link */ | 
|  | int cpu;  /* turn for CPU / Codec */ | 
|  | struct prop_nums num[SNDRV_MAX_LINKS]; | 
|  | }; | 
|  |  | 
|  | int asoc_simple_parse_daifmt(struct device *dev, | 
|  | struct device_node *node, | 
|  | struct device_node *codec, | 
|  | char *prefix, | 
|  | unsigned int *retfmt); | 
|  | int asoc_simple_parse_tdm_width_map(struct device *dev, struct device_node *np, | 
|  | struct asoc_simple_dai *dai); | 
|  |  | 
|  | __printf(3, 4) | 
|  | int asoc_simple_set_dailink_name(struct device *dev, | 
|  | struct snd_soc_dai_link *dai_link, | 
|  | const char *fmt, ...); | 
|  | int asoc_simple_parse_card_name(struct snd_soc_card *card, | 
|  | char *prefix); | 
|  |  | 
|  | int asoc_simple_parse_clk(struct device *dev, | 
|  | struct device_node *node, | 
|  | struct asoc_simple_dai *simple_dai, | 
|  | struct snd_soc_dai_link_component *dlc); | 
|  | int asoc_simple_startup(struct snd_pcm_substream *substream); | 
|  | void asoc_simple_shutdown(struct snd_pcm_substream *substream); | 
|  | int asoc_simple_hw_params(struct snd_pcm_substream *substream, | 
|  | struct snd_pcm_hw_params *params); | 
|  | int asoc_simple_dai_init(struct snd_soc_pcm_runtime *rtd); | 
|  | int asoc_simple_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, | 
|  | struct snd_pcm_hw_params *params); | 
|  |  | 
|  | #define asoc_simple_parse_tdm(np, dai)			\ | 
|  | snd_soc_of_parse_tdm_slot(np,	&(dai)->tx_slot_mask,	\ | 
|  | &(dai)->rx_slot_mask,	\ | 
|  | &(dai)->slots,		\ | 
|  | &(dai)->slot_width); | 
|  |  | 
|  | void asoc_simple_canonicalize_platform(struct snd_soc_dai_link_component *platforms, | 
|  | struct snd_soc_dai_link_component *cpus); | 
|  | void asoc_simple_canonicalize_cpu(struct snd_soc_dai_link_component *cpus, | 
|  | int is_single_links); | 
|  |  | 
|  | void asoc_simple_clean_reference(struct snd_soc_card *card); | 
|  |  | 
|  | void asoc_simple_convert_fixup(struct asoc_simple_data *data, | 
|  | struct snd_pcm_hw_params *params); | 
|  | void asoc_simple_parse_convert(struct device_node *np, char *prefix, | 
|  | struct asoc_simple_data *data); | 
|  | bool asoc_simple_is_convert_required(const struct asoc_simple_data *data); | 
|  |  | 
|  | int asoc_simple_parse_routing(struct snd_soc_card *card, | 
|  | char *prefix); | 
|  | int asoc_simple_parse_widgets(struct snd_soc_card *card, | 
|  | char *prefix); | 
|  | int asoc_simple_parse_pin_switches(struct snd_soc_card *card, | 
|  | char *prefix); | 
|  |  | 
|  | int asoc_simple_init_jack(struct snd_soc_card *card, | 
|  | struct asoc_simple_jack *sjack, | 
|  | int is_hp, char *prefix, char *pin); | 
|  | int asoc_simple_init_priv(struct asoc_simple_priv *priv, | 
|  | struct link_info *li); | 
|  | int asoc_simple_remove(struct platform_device *pdev); | 
|  |  | 
|  | int asoc_graph_card_probe(struct snd_soc_card *card); | 
|  | int asoc_graph_is_ports0(struct device_node *port); | 
|  |  | 
|  | #ifdef DEBUG | 
|  | static inline void asoc_simple_debug_dai(struct asoc_simple_priv *priv, | 
|  | char *name, | 
|  | struct asoc_simple_dai *dai) | 
|  | { | 
|  | struct device *dev = simple_priv_to_dev(priv); | 
|  |  | 
|  | /* dai might be NULL */ | 
|  | if (!dai) | 
|  | return; | 
|  |  | 
|  | if (dai->name) | 
|  | dev_dbg(dev, "%s dai name = %s\n", | 
|  | name, dai->name); | 
|  |  | 
|  | if (dai->slots) | 
|  | dev_dbg(dev, "%s slots = %d\n", name, dai->slots); | 
|  | if (dai->slot_width) | 
|  | dev_dbg(dev, "%s slot width = %d\n", name, dai->slot_width); | 
|  | if (dai->tx_slot_mask) | 
|  | dev_dbg(dev, "%s tx slot mask = %d\n", name, dai->tx_slot_mask); | 
|  | if (dai->rx_slot_mask) | 
|  | dev_dbg(dev, "%s rx slot mask = %d\n", name, dai->rx_slot_mask); | 
|  | if (dai->clk) | 
|  | dev_dbg(dev, "%s clk %luHz\n", name, clk_get_rate(dai->clk)); | 
|  | if (dai->sysclk) | 
|  | dev_dbg(dev, "%s sysclk = %dHz\n", | 
|  | name, dai->sysclk); | 
|  | if (dai->clk || dai->sysclk) | 
|  | dev_dbg(dev, "%s direction = %s\n", | 
|  | name, dai->clk_direction ? "OUT" : "IN"); | 
|  | } | 
|  |  | 
|  | static inline void asoc_simple_debug_info(struct asoc_simple_priv *priv) | 
|  | { | 
|  | struct snd_soc_card *card = simple_priv_to_card(priv); | 
|  | struct device *dev = simple_priv_to_dev(priv); | 
|  |  | 
|  | int i; | 
|  |  | 
|  | if (card->name) | 
|  | dev_dbg(dev, "Card Name: %s\n", card->name); | 
|  |  | 
|  | for (i = 0; i < card->num_links; i++) { | 
|  | struct simple_dai_props *props = simple_priv_to_props(priv, i); | 
|  | struct snd_soc_dai_link *link = simple_priv_to_link(priv, i); | 
|  | struct asoc_simple_dai *dai; | 
|  | struct snd_soc_codec_conf *cnf; | 
|  | int j; | 
|  |  | 
|  | dev_dbg(dev, "DAI%d\n", i); | 
|  |  | 
|  | dev_dbg(dev, "cpu num = %d\n", link->num_cpus); | 
|  | for_each_prop_dai_cpu(props, j, dai) | 
|  | asoc_simple_debug_dai(priv, "cpu", dai); | 
|  | dev_dbg(dev, "codec num = %d\n", link->num_codecs); | 
|  | for_each_prop_dai_codec(props, j, dai) | 
|  | asoc_simple_debug_dai(priv, "codec", dai); | 
|  |  | 
|  | if (link->name) | 
|  | dev_dbg(dev, "dai name = %s\n", link->name); | 
|  | if (link->dai_fmt) | 
|  | dev_dbg(dev, "dai format = %04x\n", link->dai_fmt); | 
|  | if (props->adata.convert_rate) | 
|  | dev_dbg(dev, "convert_rate = %d\n", props->adata.convert_rate); | 
|  | if (props->adata.convert_channels) | 
|  | dev_dbg(dev, "convert_channels = %d\n", props->adata.convert_channels); | 
|  | for_each_prop_codec_conf(props, j, cnf) | 
|  | if (cnf->name_prefix) | 
|  | dev_dbg(dev, "name prefix = %s\n", cnf->name_prefix); | 
|  | if (props->mclk_fs) | 
|  | dev_dbg(dev, "mclk-fs = %d\n", props->mclk_fs); | 
|  | } | 
|  | } | 
|  | #else | 
|  | #define  asoc_simple_debug_info(priv) | 
|  | #endif /* DEBUG */ | 
|  |  | 
|  | #endif /* __SIMPLE_CARD_UTILS_H */ |