diff options
Diffstat (limited to 'include/sound/simple_card_utils.h')
| -rw-r--r-- | include/sound/simple_card_utils.h | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/include/sound/simple_card_utils.h b/include/sound/simple_card_utils.h new file mode 100644 index 000000000..86a1e9569 --- /dev/null +++ b/include/sound/simple_card_utils.h @@ -0,0 +1,213 @@ +/* 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_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; +}; + +struct asoc_simple_data { + u32 convert_rate; + u32 convert_channels; +}; + +struct asoc_simple_jack { + struct snd_soc_jack jack; + struct snd_soc_jack_pin pin; + struct snd_soc_jack_gpio gpio; +}; + +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; /* single cpu */ + struct snd_soc_dai_link_component codecs; /* single codec */ + struct snd_soc_dai_link_component platforms; + struct asoc_simple_data adata; + struct snd_soc_codec_conf *codec_conf; + 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_codec_conf *codec_conf; + struct gpio_desc *pa_gpio; +}; +#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)) + +struct link_info { + int dais; /* number of dai */ + int link; /* number of link */ + int conf; /* number of codec_conf */ + int cpu; /* turn for CPU / Codec */ +}; + +int asoc_simple_parse_daifmt(struct device *dev, + struct device_node *node, + struct device_node *codec, + char *prefix, + unsigned int *retfmt); +__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); + +#define asoc_simple_parse_clk_cpu(dev, node, dai_link, simple_dai) \ + asoc_simple_parse_clk(dev, node, simple_dai, dai_link->cpus) +#define asoc_simple_parse_clk_codec(dev, node, dai_link, simple_dai) \ + asoc_simple_parse_clk(dev, node, simple_dai, dai_link->codecs) +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_cpu(node, dai_link, is_single_link) \ + asoc_simple_parse_dai(node, dai_link->cpus, is_single_link) +#define asoc_simple_parse_codec(node, dai_link) \ + asoc_simple_parse_dai(node, dai_link->codecs, NULL) +#define asoc_simple_parse_platform(node, dai_link) \ + asoc_simple_parse_dai(node, dai_link->platforms, NULL) + +#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 *dai_link); +void asoc_simple_canonicalize_cpu(struct snd_soc_dai_link *dai_link, + int is_single_links); + +int 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 *dev, + struct device_node *np, char *prefix, + 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); + +#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->sysclk) + dev_dbg(dev, "%s sysclk = %d\n", + name, dai->sysclk); + + dev_dbg(dev, "%s direction = %s\n", + name, dai->clk_direction ? "OUT" : "IN"); + + 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)); +} + +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); + + dev_dbg(dev, "DAI%d\n", i); + + asoc_simple_debug_dai(priv, "cpu", props->cpu_dai); + asoc_simple_debug_dai(priv, "codec", props->codec_dai); + + if (link->name) + dev_dbg(dev, "dai name = %s\n", link->name); + + 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); + if (props->codec_conf && props->codec_conf->name_prefix) + dev_dbg(dev, "name prefix = %s\n", + props->codec_conf->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 */ |