280 lines
8.7 KiB
C
280 lines
8.7 KiB
C
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/* SPDX-License-Identifier: GPL-2.0
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*
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* simple_card_utils.h
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*
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* Copyright (c) 2016 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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*/
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#ifndef __SIMPLE_CARD_UTILS_H
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#define __SIMPLE_CARD_UTILS_H
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#include <linux/clk.h>
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#include <sound/soc.h>
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#define simple_util_init_hp(card, sjack, prefix) \
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simple_util_init_jack(card, sjack, 1, prefix, NULL)
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#define simple_util_init_mic(card, sjack, prefix) \
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simple_util_init_jack(card, sjack, 0, prefix, NULL)
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struct simple_util_tdm_width_map {
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u8 sample_bits;
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u8 slot_count;
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u16 slot_width;
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};
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struct simple_util_dai {
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const char *name;
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unsigned int sysclk;
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int clk_direction;
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int slots;
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int slot_width;
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unsigned int tx_slot_mask;
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unsigned int rx_slot_mask;
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struct clk *clk;
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bool clk_fixed;
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struct simple_util_tdm_width_map *tdm_width_map;
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int n_tdm_widths;
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};
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struct simple_util_data {
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u32 convert_rate;
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u32 convert_channels;
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const char *convert_sample_format;
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};
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struct simple_util_jack {
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struct snd_soc_jack jack;
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struct snd_soc_jack_pin pin;
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struct snd_soc_jack_gpio gpio;
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};
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struct prop_nums {
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int cpus;
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int codecs;
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int platforms;
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};
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struct simple_util_priv {
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struct snd_soc_card snd_card;
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struct simple_dai_props {
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struct simple_util_dai *cpu_dai;
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struct simple_util_dai *codec_dai;
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struct simple_util_data adata;
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struct snd_soc_codec_conf *codec_conf;
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struct prop_nums num;
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unsigned int mclk_fs;
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} *dai_props;
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struct simple_util_jack hp_jack;
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struct simple_util_jack mic_jack;
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struct snd_soc_jack *aux_jacks;
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struct snd_soc_dai_link *dai_link;
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struct simple_util_dai *dais;
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struct snd_soc_dai_link_component *dlcs;
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struct snd_soc_codec_conf *codec_conf;
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struct gpio_desc *pa_gpio;
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const struct snd_soc_ops *ops;
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unsigned int dpcm_selectable:1;
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unsigned int force_dpcm:1;
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};
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#define simple_priv_to_card(priv) (&(priv)->snd_card)
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#define simple_priv_to_props(priv, i) ((priv)->dai_props + (i))
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#define simple_priv_to_dev(priv) (simple_priv_to_card(priv)->dev)
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#define simple_priv_to_link(priv, i) (simple_priv_to_card(priv)->dai_link + (i))
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#define simple_props_to_dlc_cpu(props, i) ((props)->cpus + i)
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#define simple_props_to_dlc_codec(props, i) ((props)->codecs + i)
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#define simple_props_to_dlc_platform(props, i) ((props)->platforms + i)
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#define simple_props_to_dai_cpu(props, i) ((props)->cpu_dai + i)
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#define simple_props_to_dai_codec(props, i) ((props)->codec_dai + i)
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#define simple_props_to_codec_conf(props, i) ((props)->codec_conf + i)
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#define for_each_prop_dlc_cpus(props, i, cpu) \
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for ((i) = 0; \
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((i) < (props)->num.cpus) && \
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((cpu) = simple_props_to_dlc_cpu(props, i)); \
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(i)++)
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#define for_each_prop_dlc_codecs(props, i, codec) \
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for ((i) = 0; \
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((i) < (props)->num.codecs) && \
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((codec) = simple_props_to_dlc_codec(props, i)); \
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(i)++)
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#define for_each_prop_dlc_platforms(props, i, platform) \
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for ((i) = 0; \
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((i) < (props)->num.platforms) && \
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((platform) = simple_props_to_dlc_platform(props, i)); \
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(i)++)
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#define for_each_prop_codec_conf(props, i, conf) \
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for ((i) = 0; \
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((i) < (props)->num.codecs) && \
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(props)->codec_conf && \
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((conf) = simple_props_to_codec_conf(props, i)); \
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(i)++)
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#define for_each_prop_dai_cpu(props, i, cpu) \
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for ((i) = 0; \
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((i) < (props)->num.cpus) && \
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((cpu) = simple_props_to_dai_cpu(props, i)); \
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(i)++)
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#define for_each_prop_dai_codec(props, i, codec) \
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for ((i) = 0; \
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((i) < (props)->num.codecs) && \
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((codec) = simple_props_to_dai_codec(props, i)); \
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(i)++)
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#define SNDRV_MAX_LINKS 512
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struct link_info {
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int link; /* number of link */
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int cpu; /* turn for CPU / Codec */
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struct prop_nums num[SNDRV_MAX_LINKS];
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};
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int simple_util_parse_daifmt(struct device *dev,
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struct device_node *node,
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struct device_node *codec,
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char *prefix,
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unsigned int *retfmt);
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int simple_util_parse_tdm_width_map(struct device *dev, struct device_node *np,
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struct simple_util_dai *dai);
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__printf(3, 4)
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int simple_util_set_dailink_name(struct device *dev,
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struct snd_soc_dai_link *dai_link,
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const char *fmt, ...);
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int simple_util_parse_card_name(struct snd_soc_card *card,
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char *prefix);
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int simple_util_parse_clk(struct device *dev,
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struct device_node *node,
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struct simple_util_dai *simple_dai,
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struct snd_soc_dai_link_component *dlc);
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int simple_util_startup(struct snd_pcm_substream *substream);
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void simple_util_shutdown(struct snd_pcm_substream *substream);
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int simple_util_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params);
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int simple_util_dai_init(struct snd_soc_pcm_runtime *rtd);
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int simple_util_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
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struct snd_pcm_hw_params *params);
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#define simple_util_parse_tdm(np, dai) \
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snd_soc_of_parse_tdm_slot(np, &(dai)->tx_slot_mask, \
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&(dai)->rx_slot_mask, \
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&(dai)->slots, \
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&(dai)->slot_width);
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void simple_util_canonicalize_platform(struct snd_soc_dai_link_component *platforms,
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struct snd_soc_dai_link_component *cpus);
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void simple_util_canonicalize_cpu(struct snd_soc_dai_link_component *cpus,
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int is_single_links);
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void simple_util_clean_reference(struct snd_soc_card *card);
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void simple_util_parse_convert(struct device_node *np, char *prefix,
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struct simple_util_data *data);
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bool simple_util_is_convert_required(const struct simple_util_data *data);
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int simple_util_parse_routing(struct snd_soc_card *card,
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char *prefix);
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int simple_util_parse_widgets(struct snd_soc_card *card,
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char *prefix);
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int simple_util_parse_pin_switches(struct snd_soc_card *card,
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char *prefix);
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int simple_util_init_jack(struct snd_soc_card *card,
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struct simple_util_jack *sjack,
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int is_hp, char *prefix, char *pin);
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int simple_util_init_aux_jacks(struct simple_util_priv *priv,
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char *prefix);
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int simple_util_init_priv(struct simple_util_priv *priv,
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struct link_info *li);
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void simple_util_remove(struct platform_device *pdev);
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int graph_util_card_probe(struct snd_soc_card *card);
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int graph_util_is_ports0(struct device_node *port);
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int graph_util_parse_dai(struct device *dev, struct device_node *ep,
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struct snd_soc_dai_link_component *dlc, int *is_single_link);
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int graph_util_parse_link_direction(struct device_node *np,
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bool *is_playback_only, bool *is_capture_only);
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#ifdef DEBUG
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static inline void simple_util_debug_dai(struct simple_util_priv *priv,
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char *name,
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struct simple_util_dai *dai)
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{
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struct device *dev = simple_priv_to_dev(priv);
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/* dai might be NULL */
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if (!dai)
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return;
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if (dai->name)
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dev_dbg(dev, "%s dai name = %s\n",
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name, dai->name);
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if (dai->slots)
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dev_dbg(dev, "%s slots = %d\n", name, dai->slots);
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if (dai->slot_width)
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dev_dbg(dev, "%s slot width = %d\n", name, dai->slot_width);
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if (dai->tx_slot_mask)
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dev_dbg(dev, "%s tx slot mask = %d\n", name, dai->tx_slot_mask);
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if (dai->rx_slot_mask)
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dev_dbg(dev, "%s rx slot mask = %d\n", name, dai->rx_slot_mask);
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if (dai->clk)
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dev_dbg(dev, "%s clk %luHz\n", name, clk_get_rate(dai->clk));
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if (dai->sysclk)
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dev_dbg(dev, "%s sysclk = %dHz\n",
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name, dai->sysclk);
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if (dai->clk || dai->sysclk)
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dev_dbg(dev, "%s direction = %s\n",
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name, dai->clk_direction ? "OUT" : "IN");
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}
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static inline void simple_util_debug_info(struct simple_util_priv *priv)
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{
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struct snd_soc_card *card = simple_priv_to_card(priv);
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struct device *dev = simple_priv_to_dev(priv);
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int i;
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if (card->name)
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dev_dbg(dev, "Card Name: %s\n", card->name);
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for (i = 0; i < card->num_links; i++) {
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struct simple_dai_props *props = simple_priv_to_props(priv, i);
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struct snd_soc_dai_link *link = simple_priv_to_link(priv, i);
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struct simple_util_dai *dai;
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struct snd_soc_codec_conf *cnf;
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int j;
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dev_dbg(dev, "DAI%d\n", i);
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dev_dbg(dev, "cpu num = %d\n", link->num_cpus);
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for_each_prop_dai_cpu(props, j, dai)
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simple_util_debug_dai(priv, "cpu", dai);
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dev_dbg(dev, "codec num = %d\n", link->num_codecs);
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for_each_prop_dai_codec(props, j, dai)
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simple_util_debug_dai(priv, "codec", dai);
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if (link->name)
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dev_dbg(dev, "dai name = %s\n", link->name);
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if (link->dai_fmt)
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dev_dbg(dev, "dai format = %04x\n", link->dai_fmt);
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if (props->adata.convert_rate)
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dev_dbg(dev, "convert_rate = %d\n", props->adata.convert_rate);
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if (props->adata.convert_channels)
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dev_dbg(dev, "convert_channels = %d\n", props->adata.convert_channels);
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for_each_prop_codec_conf(props, j, cnf)
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if (cnf->name_prefix)
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dev_dbg(dev, "name prefix = %s\n", cnf->name_prefix);
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if (props->mclk_fs)
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dev_dbg(dev, "mclk-fs = %d\n", props->mclk_fs);
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}
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}
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#else
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#define simple_util_debug_info(priv)
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#endif /* DEBUG */
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#endif /* __SIMPLE_CARD_UTILS_H */
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