linux/sound/soc/sh/rcar/ssiu.c

// SPDX-License-Identifier: GPL-2.0
//
// Renesas R-Car SSIU support
//
// Copyright (c) 2015 Kuninori Morimoto <[email protected]>

#include "rsnd.h"

#define SSIU_NAME …

struct rsnd_ssiu { … };

/* SSI_MODE */
#define TDM_EXT …
#define TDM_SPLIT …

#define rsnd_ssiu_nr(priv) …
#define rsnd_mod_to_ssiu(_mod) …
#define for_each_rsnd_ssiu(pos, priv, i) …

/*
 *	SSI	Gen2		Gen3		Gen4
 *	0	BUSIF0-3	BUSIF0-7	BUSIF0-7
 *	1	BUSIF0-3	BUSIF0-7
 *	2	BUSIF0-3	BUSIF0-7
 *	3	BUSIF0		BUSIF0-7
 *	4	BUSIF0		BUSIF0-7
 *	5	BUSIF0		BUSIF0
 *	6	BUSIF0		BUSIF0
 *	7	BUSIF0		BUSIF0
 *	8	BUSIF0		BUSIF0
 *	9	BUSIF0-3	BUSIF0-7
 *	total	22		52		8
 */
static const int gen2_id[] = …;
static const int gen3_id[] = …;
static const int gen4_id[] = …;

/* enable busif buffer over/under run interrupt. */
#define rsnd_ssiu_busif_err_irq_enable(mod) …
#define rsnd_ssiu_busif_err_irq_disable(mod) …
static void rsnd_ssiu_busif_err_irq_ctrl(struct rsnd_mod *mod, int enable)
{ … }

bool rsnd_ssiu_busif_err_status_clear(struct rsnd_mod *mod)
{ … }

static u32 *rsnd_ssiu_get_status(struct rsnd_mod *mod,
				 struct rsnd_dai_stream *io,
				 enum rsnd_mod_type type)
{ … }

static int rsnd_ssiu_init(struct rsnd_mod *mod,
			  struct rsnd_dai_stream *io,
			  struct rsnd_priv *priv)
{ … }

static int rsnd_ssiu_quit(struct rsnd_mod *mod,
			  struct rsnd_dai_stream *io,
			  struct rsnd_priv *priv)
{ … }

static struct rsnd_mod_ops rsnd_ssiu_ops_gen1 = …;

static int rsnd_ssiu_init_gen2(struct rsnd_mod *mod,
			       struct rsnd_dai_stream *io,
			       struct rsnd_priv *priv)
{ … }

static int rsnd_ssiu_start_gen2(struct rsnd_mod *mod,
				struct rsnd_dai_stream *io,
				struct rsnd_priv *priv)
{ … }

static int rsnd_ssiu_stop_gen2(struct rsnd_mod *mod,
			       struct rsnd_dai_stream *io,
			       struct rsnd_priv *priv)
{ … }

static int rsnd_ssiu_id(struct rsnd_mod *mod)
{ … }

static int rsnd_ssiu_id_sub(struct rsnd_mod *mod)
{ … }

static struct dma_chan *rsnd_ssiu_dma_req(struct rsnd_dai_stream *io,
					  struct rsnd_mod *mod)
{ … }

#ifdef CONFIG_DEBUG_FS
static void rsnd_ssiu_debug_info(struct seq_file *m,
				 struct rsnd_dai_stream *io,
				struct rsnd_mod *mod)
{ … }
#define DEBUG_INFO …
#else
#define DEBUG_INFO
#endif

static struct rsnd_mod_ops rsnd_ssiu_ops_gen2 = …;

static struct rsnd_mod *rsnd_ssiu_mod_get(struct rsnd_priv *priv, int id)
{ … }

static void rsnd_parse_connect_ssiu_compatible(struct rsnd_priv *priv,
					       struct rsnd_dai_stream *io)
{ … }

void rsnd_parse_connect_ssiu(struct rsnd_dai *rdai,
			     struct device_node *playback,
			     struct device_node *capture)
{ … }

int rsnd_ssiu_probe(struct rsnd_priv *priv)
{ … }

void rsnd_ssiu_remove(struct rsnd_priv *priv)
{ … }