// SPDX-License-Identifier: GPL-2.0 // // Renesas R-Car SRU/SCU/SSIU/SSI support // // Copyright (C) 2013 Renesas Solutions Corp. // Kuninori Morimoto <[email protected]> // // Based on fsi.c // Kuninori Morimoto <[email protected]> /* * Renesas R-Car sound device structure * * Gen1 * * SRU : Sound Routing Unit * - SRC : Sampling Rate Converter * - CMD * - CTU : Channel Count Conversion Unit * - MIX : Mixer * - DVC : Digital Volume and Mute Function * - SSI : Serial Sound Interface * * Gen2 * * SCU : Sampling Rate Converter Unit * - SRC : Sampling Rate Converter * - CMD * - CTU : Channel Count Conversion Unit * - MIX : Mixer * - DVC : Digital Volume and Mute Function * SSIU : Serial Sound Interface Unit * - SSI : Serial Sound Interface */ /* * driver data Image * * rsnd_priv * | * | ** this depends on Gen1/Gen2 * | * +- gen * | * | ** these depend on data path * | ** gen and platform data control it * | * +- rdai[0] * | | sru ssiu ssi * | +- playback -> [mod] -> [mod] -> [mod] -> ... * | | * | | sru ssiu ssi * | +- capture -> [mod] -> [mod] -> [mod] -> ... * | * +- rdai[1] * | | sru ssiu ssi * | +- playback -> [mod] -> [mod] -> [mod] -> ... * | | * | | sru ssiu ssi * | +- capture -> [mod] -> [mod] -> [mod] -> ... * ... * | * | ** these control ssi * | * +- ssi * | | * | +- ssi[0] * | +- ssi[1] * | +- ssi[2] * | ... * | * | ** these control src * | * +- src * | * +- src[0] * +- src[1] * +- src[2] * ... * * * for_each_rsnd_dai(xx, priv, xx) * rdai[0] => rdai[1] => rdai[2] => ... * * for_each_rsnd_mod(xx, rdai, xx) * [mod] => [mod] => [mod] => ... * * rsnd_dai_call(xxx, fn ) * [mod]->fn() -> [mod]->fn() -> [mod]->fn()... * */ #include <linux/pm_runtime.h> #include <linux/of_graph.h> #include "rsnd.h" #define RSND_RATES … #define RSND_FMTS … static const struct of_device_id rsnd_of_match[] = …; MODULE_DEVICE_TABLE(of, rsnd_of_match); /* * rsnd_mod functions */ void rsnd_mod_make_sure(struct rsnd_mod *mod, enum rsnd_mod_type type) { … } struct dma_chan *rsnd_mod_dma_req(struct rsnd_dai_stream *io, struct rsnd_mod *mod) { … } #define MOD_NAME_NUM … #define MOD_NAME_SIZE … char *rsnd_mod_name(struct rsnd_mod *mod) { … } u32 *rsnd_mod_get_status(struct rsnd_mod *mod, struct rsnd_dai_stream *io, enum rsnd_mod_type type) { … } int rsnd_mod_id_raw(struct rsnd_mod *mod) { … } int rsnd_mod_id(struct rsnd_mod *mod) { … } int rsnd_mod_id_sub(struct rsnd_mod *mod) { … } int rsnd_mod_init(struct rsnd_priv *priv, struct rsnd_mod *mod, struct rsnd_mod_ops *ops, struct clk *clk, enum rsnd_mod_type type, int id) { … } void rsnd_mod_quit(struct rsnd_mod *mod) { … } void rsnd_mod_interrupt(struct rsnd_mod *mod, void (*callback)(struct rsnd_mod *mod, struct rsnd_dai_stream *io)) { … } int rsnd_io_is_working(struct rsnd_dai_stream *io) { … } int rsnd_runtime_channel_original_with_params(struct rsnd_dai_stream *io, struct snd_pcm_hw_params *params) { … } int rsnd_runtime_channel_after_ctu_with_params(struct rsnd_dai_stream *io, struct snd_pcm_hw_params *params) { … } int rsnd_channel_normalization(int chan) { … } int rsnd_runtime_channel_for_ssi_with_params(struct rsnd_dai_stream *io, struct snd_pcm_hw_params *params) { … } int rsnd_runtime_is_multi_ssi(struct rsnd_dai_stream *io) { … } int rsnd_runtime_is_tdm(struct rsnd_dai_stream *io) { … } int rsnd_runtime_is_tdm_split(struct rsnd_dai_stream *io) { … } /* * ADINR function */ u32 rsnd_get_adinr_bit(struct rsnd_mod *mod, struct rsnd_dai_stream *io) { … } /* * DALIGN function */ u32 rsnd_get_dalign(struct rsnd_mod *mod, struct rsnd_dai_stream *io) { … } u32 rsnd_get_busif_shift(struct rsnd_dai_stream *io, struct rsnd_mod *mod) { … } /* * rsnd_dai functions */ struct rsnd_mod *rsnd_mod_next(int *iterator, struct rsnd_dai_stream *io, enum rsnd_mod_type *array, int array_size) { … } static enum rsnd_mod_type rsnd_mod_sequence[][RSND_MOD_MAX] = …; static int rsnd_status_update(struct rsnd_dai_stream *io, struct rsnd_mod *mod, enum rsnd_mod_type type, int shift, int add, int timing) { … } #define rsnd_dai_call(fn, io, param...) … int rsnd_dai_connect(struct rsnd_mod *mod, struct rsnd_dai_stream *io, enum rsnd_mod_type type) { … } static void rsnd_dai_disconnect(struct rsnd_mod *mod, struct rsnd_dai_stream *io, enum rsnd_mod_type type) { … } int rsnd_rdai_channels_ctrl(struct rsnd_dai *rdai, int max_channels) { … } int rsnd_rdai_ssi_lane_ctrl(struct rsnd_dai *rdai, int ssi_lane) { … } int rsnd_rdai_width_ctrl(struct rsnd_dai *rdai, int width) { … } struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id) { … } static struct snd_soc_dai_driver *rsnd_daidrv_get(struct rsnd_priv *priv, int id) { … } #define rsnd_dai_to_priv(dai) … static struct rsnd_dai *rsnd_dai_to_rdai(struct snd_soc_dai *dai) { … } /* * rsnd_soc_dai functions */ void rsnd_dai_period_elapsed(struct rsnd_dai_stream *io) { … } static void rsnd_dai_stream_init(struct rsnd_dai_stream *io, struct snd_pcm_substream *substream) { … } static void rsnd_dai_stream_quit(struct rsnd_dai_stream *io) { … } static struct snd_soc_dai *rsnd_substream_to_dai(struct snd_pcm_substream *substream) { … } static struct rsnd_dai_stream *rsnd_rdai_to_io(struct rsnd_dai *rdai, struct snd_pcm_substream *substream) { … } static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { … } static int rsnd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { … } static int rsnd_soc_set_dai_tdm_slot(struct snd_soc_dai *dai, u32 tx_mask, u32 rx_mask, int slots, int slot_width) { … } static unsigned int rsnd_soc_hw_channels_list[] = …; static unsigned int rsnd_soc_hw_rate_list[] = …; static int rsnd_soc_hw_rule(struct rsnd_dai *rdai, unsigned int *list, int list_num, struct snd_interval *baseline, struct snd_interval *iv, struct rsnd_dai_stream *io, char *unit) { … } static int rsnd_soc_hw_rule_rate(struct snd_pcm_hw_params *params, struct snd_pcm_hw_rule *rule) { … } static int rsnd_soc_hw_rule_channels(struct snd_pcm_hw_params *params, struct snd_pcm_hw_rule *rule) { … } static const struct snd_pcm_hardware rsnd_pcm_hardware = …; static int rsnd_soc_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { … } static void rsnd_soc_dai_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { … } static int rsnd_soc_dai_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { … } static const u64 rsnd_soc_dai_formats[] = …; static void rsnd_parse_tdm_split_mode(struct rsnd_priv *priv, struct rsnd_dai_stream *io, struct device_node *dai_np) { … } static void rsnd_parse_connect_simple(struct rsnd_priv *priv, struct rsnd_dai_stream *io, struct device_node *dai_np) { … } static void rsnd_parse_connect_graph(struct rsnd_priv *priv, struct rsnd_dai_stream *io, struct device_node *endpoint) { … } void rsnd_parse_connect_common(struct rsnd_dai *rdai, char *name, struct rsnd_mod* (*mod_get)(struct rsnd_priv *priv, int id), struct device_node *node, struct device_node *playback, struct device_node *capture) { … } int rsnd_node_fixed_index(struct device *dev, struct device_node *node, char *name, int idx) { … } int rsnd_node_count(struct rsnd_priv *priv, struct device_node *node, char *name) { … } static int rsnd_dai_of_node(struct rsnd_priv *priv, int *is_graph) { … } #define PREALLOC_BUFFER … #define PREALLOC_BUFFER_MAX … static int rsnd_preallocate_pages(struct snd_soc_pcm_runtime *rtd, struct rsnd_dai_stream *io, int stream) { … } static int rsnd_soc_dai_pcm_new(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai) { … } static const struct snd_soc_dai_ops rsnd_soc_dai_ops = …; static void __rsnd_dai_probe(struct rsnd_priv *priv, struct device_node *dai_np, struct device_node *node_np, uint32_t node_arg, int dai_i) { … } static int rsnd_dai_probe(struct rsnd_priv *priv) { … } /* * pcm ops */ static int rsnd_hw_update(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { … } static int rsnd_hw_params(struct snd_soc_component *component, struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { … } static int rsnd_hw_free(struct snd_soc_component *component, struct snd_pcm_substream *substream) { … } static snd_pcm_uframes_t rsnd_pointer(struct snd_soc_component *component, struct snd_pcm_substream *substream) { … } /* * snd_kcontrol */ static int rsnd_kctrl_info(struct snd_kcontrol *kctrl, struct snd_ctl_elem_info *uinfo) { … } static int rsnd_kctrl_get(struct snd_kcontrol *kctrl, struct snd_ctl_elem_value *uc) { … } static int rsnd_kctrl_put(struct snd_kcontrol *kctrl, struct snd_ctl_elem_value *uc) { … } int rsnd_kctrl_accept_anytime(struct rsnd_dai_stream *io) { … } int rsnd_kctrl_accept_runtime(struct rsnd_dai_stream *io) { … } struct rsnd_kctrl_cfg *rsnd_kctrl_init_m(struct rsnd_kctrl_cfg_m *cfg) { … } struct rsnd_kctrl_cfg *rsnd_kctrl_init_s(struct rsnd_kctrl_cfg_s *cfg) { … } const char * const volume_ramp_rate[] = …; int rsnd_kctrl_new(struct rsnd_mod *mod, struct rsnd_dai_stream *io, struct snd_soc_pcm_runtime *rtd, const unsigned char *name, int (*accept)(struct rsnd_dai_stream *io), void (*update)(struct rsnd_dai_stream *io, struct rsnd_mod *mod), struct rsnd_kctrl_cfg *cfg, const char * const *texts, int size, u32 max) { … } /* * snd_soc_component */ static const struct snd_soc_component_driver rsnd_soc_component = …; static int rsnd_rdai_continuance_probe(struct rsnd_priv *priv, struct rsnd_dai_stream *io) { … } /* * rsnd probe */ static int rsnd_probe(struct platform_device *pdev) { … } static void rsnd_remove(struct platform_device *pdev) { … } static int __maybe_unused rsnd_suspend(struct device *dev) { … } static int __maybe_unused rsnd_resume(struct device *dev) { … } static const struct dev_pm_ops rsnd_pm_ops = …; static struct platform_driver rsnd_driver = …; module_platform_driver(…) …; MODULE_LICENSE(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_ALIAS(…) …;
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