/* * Renesas R-Car * * Copyright (C) 2013 Renesas Solutions Corp. * Kuninori Morimoto * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef RSND_H #define RSND_H #include #include #include #include #include #include #include #include #include #include #include #include #include /* * pseudo register * * The register address offsets SRU/SCU/SSIU on Gen1/Gen2 are very different. * This driver uses pseudo register in order to hide it. * see gen1/gen2 for detail */ enum rsnd_reg { /* SRU/SCU/SSIU */ RSND_REG_SSI_MODE0, RSND_REG_SSI_MODE1, RSND_REG_SRC_BUSIF_MODE, RSND_REG_SRC_ROUTE_MODE0, RSND_REG_SRC_SWRSR, RSND_REG_SRC_SRCIR, RSND_REG_SRC_ADINR, RSND_REG_SRC_IFSCR, RSND_REG_SRC_IFSVR, RSND_REG_SRC_SRCCR, /* ADG */ RSND_REG_BRRA, RSND_REG_BRRB, RSND_REG_SSICKR, RSND_REG_AUDIO_CLK_SEL0, RSND_REG_AUDIO_CLK_SEL1, /* SSI */ RSND_REG_SSICR, RSND_REG_SSISR, RSND_REG_SSITDR, RSND_REG_SSIRDR, RSND_REG_SSIWSR, /* SHARE see below */ RSND_REG_SHARE01, RSND_REG_SHARE02, RSND_REG_SHARE03, RSND_REG_SHARE04, RSND_REG_SHARE05, RSND_REG_SHARE06, RSND_REG_SHARE07, RSND_REG_SHARE08, RSND_REG_SHARE09, RSND_REG_SHARE10, RSND_REG_SHARE11, RSND_REG_SHARE12, RSND_REG_SHARE13, RSND_REG_SHARE14, RSND_REG_SHARE15, RSND_REG_SHARE16, RSND_REG_SHARE17, RSND_REG_SHARE18, RSND_REG_SHARE19, RSND_REG_MAX, }; /* Gen1 only */ #define RSND_REG_SRC_ROUTE_SEL RSND_REG_SHARE01 #define RSND_REG_SRC_TMG_SEL0 RSND_REG_SHARE02 #define RSND_REG_SRC_TMG_SEL1 RSND_REG_SHARE03 #define RSND_REG_SRC_TMG_SEL2 RSND_REG_SHARE04 #define RSND_REG_SRC_ROUTE_CTRL RSND_REG_SHARE05 #define RSND_REG_SRC_MNFSR RSND_REG_SHARE06 #define RSND_REG_AUDIO_CLK_SEL3 RSND_REG_SHARE07 #define RSND_REG_AUDIO_CLK_SEL4 RSND_REG_SHARE08 #define RSND_REG_AUDIO_CLK_SEL5 RSND_REG_SHARE09 /* Gen2 only */ #define RSND_REG_SRC_CTRL RSND_REG_SHARE01 #define RSND_REG_SSI_CTRL RSND_REG_SHARE02 #define RSND_REG_SSI_BUSIF_MODE RSND_REG_SHARE03 #define RSND_REG_SSI_BUSIF_ADINR RSND_REG_SHARE04 #define RSND_REG_INT_ENABLE RSND_REG_SHARE05 #define RSND_REG_SRC_BSDSR RSND_REG_SHARE06 #define RSND_REG_SRC_BSISR RSND_REG_SHARE07 #define RSND_REG_DIV_EN RSND_REG_SHARE08 #define RSND_REG_SRCIN_TIMSEL0 RSND_REG_SHARE09 #define RSND_REG_SRCIN_TIMSEL1 RSND_REG_SHARE10 #define RSND_REG_SRCIN_TIMSEL2 RSND_REG_SHARE11 #define RSND_REG_SRCIN_TIMSEL3 RSND_REG_SHARE12 #define RSND_REG_SRCIN_TIMSEL4 RSND_REG_SHARE13 #define RSND_REG_SRCOUT_TIMSEL0 RSND_REG_SHARE14 #define RSND_REG_SRCOUT_TIMSEL1 RSND_REG_SHARE15 #define RSND_REG_SRCOUT_TIMSEL2 RSND_REG_SHARE16 #define RSND_REG_SRCOUT_TIMSEL3 RSND_REG_SHARE17 #define RSND_REG_SRCOUT_TIMSEL4 RSND_REG_SHARE18 #define RSND_REG_AUDIO_CLK_SEL2 RSND_REG_SHARE19 struct rsnd_of_data; struct rsnd_priv; struct rsnd_mod; struct rsnd_dai; struct rsnd_dai_stream; /* * R-Car basic functions */ #define rsnd_mod_read(m, r) \ rsnd_read(rsnd_mod_to_priv(m), m, RSND_REG_##r) #define rsnd_mod_write(m, r, d) \ rsnd_write(rsnd_mod_to_priv(m), m, RSND_REG_##r, d) #define rsnd_mod_bset(m, r, s, d) \ rsnd_bset(rsnd_mod_to_priv(m), m, RSND_REG_##r, s, d) u32 rsnd_read(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg); void rsnd_write(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg, u32 data); void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg, u32 mask, u32 data); /* * R-Car DMA */ struct rsnd_dma { struct sh_dmae_slave slave; struct work_struct work; struct dma_chan *chan; enum dma_data_direction dir; int submit_loop; int offset; /* it cares A/B plane */ }; void rsnd_dma_start(struct rsnd_dma *dma); void rsnd_dma_stop(struct rsnd_dma *dma); int rsnd_dma_available(struct rsnd_dma *dma); int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma, int is_play, int id); void rsnd_dma_quit(struct rsnd_priv *priv, struct rsnd_dma *dma); /* * R-Car sound mod */ enum rsnd_mod_type { RSND_MOD_SRC = 0, RSND_MOD_SSI, RSND_MOD_MAX, }; struct rsnd_mod_ops { char *name; int (*probe)(struct rsnd_mod *mod, struct rsnd_dai *rdai, struct rsnd_dai_stream *io); int (*remove)(struct rsnd_mod *mod, struct rsnd_dai *rdai, struct rsnd_dai_stream *io); int (*init)(struct rsnd_mod *mod, struct rsnd_dai *rdai, struct rsnd_dai_stream *io); int (*quit)(struct rsnd_mod *mod, struct rsnd_dai *rdai, struct rsnd_dai_stream *io); int (*start)(struct rsnd_mod *mod, struct rsnd_dai *rdai, struct rsnd_dai_stream *io); int (*stop)(struct rsnd_mod *mod, struct rsnd_dai *rdai, struct rsnd_dai_stream *io); }; struct rsnd_dai_stream; struct rsnd_mod { int id; enum rsnd_mod_type type; struct rsnd_priv *priv; struct rsnd_mod_ops *ops; struct rsnd_dma dma; struct rsnd_dai_stream *io; }; #define rsnd_mod_to_priv(mod) ((mod)->priv) #define rsnd_mod_to_dma(mod) (&(mod)->dma) #define rsnd_dma_to_mod(_dma) container_of((_dma), struct rsnd_mod, dma) #define rsnd_mod_to_io(mod) ((mod)->io) #define rsnd_mod_id(mod) ((mod)->id) void rsnd_mod_init(struct rsnd_priv *priv, struct rsnd_mod *mod, struct rsnd_mod_ops *ops, enum rsnd_mod_type type, int id); char *rsnd_mod_name(struct rsnd_mod *mod); /* * R-Car sound DAI */ #define RSND_DAI_NAME_SIZE 16 struct rsnd_dai_stream { struct snd_pcm_substream *substream; struct rsnd_mod *mod[RSND_MOD_MAX]; struct rsnd_dai_path_info *info; /* rcar_snd.h */ int byte_pos; int period_pos; int byte_per_period; int next_period_byte; }; #define rsnd_io_to_mod_ssi(io) ((io)->mod[RSND_MOD_SSI]) #define rsnd_io_to_mod_src(io) ((io)->mod[RSND_MOD_SRC]) struct rsnd_dai { char name[RSND_DAI_NAME_SIZE]; struct rsnd_dai_platform_info *info; /* rcar_snd.h */ struct rsnd_dai_stream playback; struct rsnd_dai_stream capture; unsigned int clk_master:1; unsigned int bit_clk_inv:1; unsigned int frm_clk_inv:1; unsigned int sys_delay:1; unsigned int data_alignment:1; }; #define rsnd_rdai_nr(priv) ((priv)->rdai_nr) #define for_each_rsnd_dai(rdai, priv, i) \ for (i = 0; \ (i < rsnd_rdai_nr(priv)) && \ ((rdai) = rsnd_dai_get(priv, i)); \ i++) struct rsnd_dai *rsnd_dai_get(struct rsnd_priv *priv, int id); int rsnd_dai_is_play(struct rsnd_dai *rdai, struct rsnd_dai_stream *io); int rsnd_dai_id(struct rsnd_priv *priv, struct rsnd_dai *rdai); #define rsnd_dai_get_platform_info(rdai) ((rdai)->info) #define rsnd_io_to_runtime(io) ((io)->substream->runtime) void rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int cnt); int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional); #define rsnd_dai_is_clk_master(rdai) ((rdai)->clk_master) /* * R-Car Gen1/Gen2 */ int rsnd_gen_probe(struct platform_device *pdev, const struct rsnd_of_data *of_data, struct rsnd_priv *priv); void __iomem *rsnd_gen_reg_get(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg); #define rsnd_is_gen1(s) (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN1) #define rsnd_is_gen2(s) (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN2) /* * R-Car ADG */ int rsnd_adg_ssi_clk_stop(struct rsnd_mod *mod); int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *mod, unsigned int rate); int rsnd_adg_probe(struct platform_device *pdev, const struct rsnd_of_data *of_data, struct rsnd_priv *priv); int rsnd_adg_set_convert_clk_gen1(struct rsnd_priv *priv, struct rsnd_mod *mod, unsigned int src_rate, unsigned int dst_rate); int rsnd_adg_set_convert_clk_gen2(struct rsnd_mod *mod, struct rsnd_dai *rdai, struct rsnd_dai_stream *io, unsigned int src_rate, unsigned int dst_rate); int rsnd_adg_set_convert_timing_gen2(struct rsnd_mod *mod, struct rsnd_dai *rdai, struct rsnd_dai_stream *io); /* * R-Car sound priv */ struct rsnd_of_data { u32 flags; }; struct rsnd_priv { struct device *dev; struct rcar_snd_info *info; spinlock_t lock; /* * below value will be filled on rsnd_gen_probe() */ void *gen; /* * below value will be filled on rsnd_src_probe() */ void *src; int src_nr; /* * below value will be filled on rsnd_adg_probe() */ void *adg; /* * below value will be filled on rsnd_ssi_probe() */ void *ssi; int ssi_nr; /* * below value will be filled on rsnd_dai_probe() */ struct snd_soc_dai_driver *daidrv; struct rsnd_dai *rdai; int rdai_nr; }; #define rsnd_priv_to_dev(priv) ((priv)->dev) #define rsnd_priv_to_info(priv) ((priv)->info) #define rsnd_lock(priv, flags) spin_lock_irqsave(&priv->lock, flags) #define rsnd_unlock(priv, flags) spin_unlock_irqrestore(&priv->lock, flags) #define rsnd_info_is_playback(priv, type) \ ({ \ struct rcar_snd_info *info = rsnd_priv_to_info(priv); \ int i, is_play = 0; \ for (i = 0; i < info->dai_info_nr; i++) { \ if (info->dai_info[i].playback.type == (type)->info) { \ is_play = 1; \ break; \ } \ } \ is_play; \ }) /* * R-Car SRC */ int rsnd_src_probe(struct platform_device *pdev, const struct rsnd_of_data *of_data, struct rsnd_priv *priv); struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id); unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv, struct rsnd_dai_stream *io, struct snd_pcm_runtime *runtime); int rsnd_src_ssi_mode_init(struct rsnd_mod *ssi_mod, struct rsnd_dai *rdai, struct rsnd_dai_stream *io); int rsnd_src_enable_ssi_irq(struct rsnd_mod *ssi_mod, struct rsnd_dai *rdai, struct rsnd_dai_stream *io); #define rsnd_src_nr(priv) ((priv)->src_nr) /* * R-Car SSI */ int rsnd_ssi_probe(struct platform_device *pdev, const struct rsnd_of_data *of_data, struct rsnd_priv *priv); struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id); struct rsnd_mod *rsnd_ssi_mod_get_frm_dai(struct rsnd_priv *priv, int dai_id, int is_play); int rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod); int rsnd_ssi_is_play(struct rsnd_mod *mod); #endif