| /* |
| * Renesas R-Car |
| * |
| * Copyright (C) 2013 Renesas Solutions Corp. |
| * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> |
| * |
| * 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 <linux/clk.h> |
| #include <linux/device.h> |
| #include <linux/dma-mapping.h> |
| #include <linux/io.h> |
| #include <linux/list.h> |
| #include <linux/module.h> |
| #include <linux/of_device.h> |
| #include <linux/of_irq.h> |
| #include <linux/sh_dma.h> |
| #include <linux/workqueue.h> |
| #include <sound/rcar_snd.h> |
| #include <sound/soc.h> |
| #include <sound/pcm_params.h> |
| |
| /* |
| * 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, |
| RSND_REG_CMD_ROUTE_SLCT, |
| RSND_REG_DVC_SWRSR, |
| RSND_REG_DVC_DVUIR, |
| RSND_REG_DVC_ADINR, |
| RSND_REG_DVC_DVUCR, |
| RSND_REG_DVC_ZCMCR, |
| RSND_REG_DVC_VOL0R, |
| RSND_REG_DVC_VOL1R, |
| RSND_REG_DVC_DVUER, |
| |
| /* 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_SHARE20, |
| RSND_REG_SHARE21, |
| RSND_REG_SHARE22, |
| RSND_REG_SHARE23, |
| RSND_REG_SHARE24, |
| RSND_REG_SHARE25, |
| |
| 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 |
| #define RSND_REG_CMD_CTRL RSND_REG_SHARE20 |
| #define RSND_REG_CMDOUT_TIMSEL RSND_REG_SHARE21 |
| #define RSND_REG_BUSIF_DALIGN RSND_REG_SHARE22 |
| #define RSND_REG_DVC_VRCTR RSND_REG_SHARE23 |
| #define RSND_REG_DVC_VRPDR RSND_REG_SHARE24 |
| #define RSND_REG_DVC_VRDBR RSND_REG_SHARE25 |
| |
| 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); |
| u32 rsnd_get_adinr(struct rsnd_mod *mod); |
| |
| /* |
| * R-Car DMA |
| */ |
| struct rsnd_dma { |
| struct sh_dmae_slave slave; |
| struct dma_chan *chan; |
| enum dma_transfer_direction dir; |
| dma_addr_t addr; |
| }; |
| |
| 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_DVC, |
| RSND_MOD_MAX, |
| }; |
| |
| struct rsnd_mod_ops { |
| char *name; |
| char* (*dma_name)(struct rsnd_mod *mod); |
| int (*probe)(struct rsnd_mod *mod, |
| struct rsnd_dai *rdai); |
| int (*remove)(struct rsnd_mod *mod, |
| struct rsnd_dai *rdai); |
| int (*init)(struct rsnd_mod *mod, |
| struct rsnd_dai *rdai); |
| int (*quit)(struct rsnd_mod *mod, |
| struct rsnd_dai *rdai); |
| int (*start)(struct rsnd_mod *mod, |
| struct rsnd_dai *rdai); |
| int (*stop)(struct rsnd_mod *mod, |
| struct rsnd_dai *rdai); |
| int (*pcm_new)(struct rsnd_mod *mod, |
| struct rsnd_dai *rdai, |
| struct snd_soc_pcm_runtime *rtd); |
| }; |
| |
| 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); |
| char *rsnd_mod_dma_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]) |
| #define rsnd_io_to_mod_dvc(io) ((io)->mod[RSND_MOD_DVC]) |
| |
| 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); |
| dma_addr_t rsnd_gen_dma_addr(struct rsnd_priv *priv, |
| struct rsnd_mod *mod, |
| int is_play, int is_from); |
| |
| #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); |
| int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_dai *rdai, |
| struct rsnd_mod *mod, |
| struct rsnd_dai_stream *io); |
| |
| /* |
| * R-Car sound priv |
| */ |
| struct rsnd_of_data { |
| u32 flags; |
| }; |
| |
| struct rsnd_priv { |
| |
| struct platform_device *pdev; |
| 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_dvc_probe() |
| */ |
| void *dvc; |
| int dvc_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_pdev(priv) ((priv)->pdev) |
| #define rsnd_priv_to_dev(priv) (&(rsnd_priv_to_pdev(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_ssiu_start(struct rsnd_mod *ssi_mod, |
| struct rsnd_dai *rdai, |
| int use_busif); |
| int rsnd_src_ssiu_stop(struct rsnd_mod *ssi_mod, |
| struct rsnd_dai *rdai, |
| int use_busif); |
| int rsnd_src_enable_ssi_irq(struct rsnd_mod *ssi_mod, |
| struct rsnd_dai *rdai); |
| |
| #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); |
| int rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod); |
| |
| /* |
| * R-Car DVC |
| */ |
| int rsnd_dvc_probe(struct platform_device *pdev, |
| const struct rsnd_of_data *of_data, |
| struct rsnd_priv *priv); |
| void rsnd_dvc_remove(struct platform_device *pdev, |
| struct rsnd_priv *priv); |
| struct rsnd_mod *rsnd_dvc_mod_get(struct rsnd_priv *priv, int id); |
| |
| #define rsnd_dvc_nr(priv) ((priv)->dvc_nr) |
| |
| |
| #endif |