/* * 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/soc.h> #include <sound/pcm_params.h> #include "rcar_snd.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_SCU_SYS_STATUS0, RSND_REG_SCU_SYS_INT_EN0, RSND_REG_CMD_ROUTE_SLCT, RSND_REG_CTU_CTUIR, RSND_REG_CTU_ADINR, RSND_REG_MIX_SWRSR, RSND_REG_MIX_MIXIR, RSND_REG_MIX_ADINR, RSND_REG_MIX_MIXMR, RSND_REG_MIX_MVPDR, RSND_REG_MIX_MDBAR, RSND_REG_MIX_MDBBR, RSND_REG_MIX_MDBCR, RSND_REG_MIX_MDBDR, RSND_REG_MIX_MDBER, 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_SHARE26, RSND_REG_SHARE27, RSND_REG_SHARE28, RSND_REG_SHARE29, 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_SSI_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_SSI_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 #define RSND_REG_SCU_SYS_STATUS1 RSND_REG_SHARE26 #define RSND_REG_SCU_SYS_INT_EN1 RSND_REG_SHARE27 #define RSND_REG_SRC_INT_ENABLE0 RSND_REG_SHARE28 #define RSND_REG_SRC_BUSIF_DALIGN RSND_REG_SHARE29 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_force_write(m, r, d) \ rsnd_force_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_force_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_bit(struct rsnd_mod *mod, struct rsnd_dai_stream *io); u32 rsnd_get_adinr_chan(struct rsnd_mod *mod, struct rsnd_dai_stream *io); u32 rsnd_get_dalign(struct rsnd_mod *mod, struct rsnd_dai_stream *io); void rsnd_path_parse(struct rsnd_priv *priv, struct rsnd_dai_stream *io); /* * R-Car DMA */ struct rsnd_dma; struct rsnd_dmaen { struct dma_chan *chan; }; struct rsnd_dmapp { int dmapp_id; u32 chcr; }; struct rsnd_dma { struct rsnd_dma_ops *ops; dma_addr_t src_addr; dma_addr_t dst_addr; union { struct rsnd_dmaen en; struct rsnd_dmapp pp; } dma; }; #define rsnd_dma_to_dmaen(dma) (&(dma)->dma.en) #define rsnd_dma_to_dmapp(dma) (&(dma)->dma.pp) #define rsnd_dma_to_mod(_dma) container_of((_dma), struct rsnd_mod, dma) void rsnd_dma_start(struct rsnd_dai_stream *io, struct rsnd_dma *dma); void rsnd_dma_stop(struct rsnd_dai_stream *io, struct rsnd_dma *dma); int rsnd_dma_init(struct rsnd_dai_stream *io, struct rsnd_dma *dma, int id); void rsnd_dma_quit(struct rsnd_dai_stream *io, struct rsnd_dma *dma); int rsnd_dma_probe(struct platform_device *pdev, const struct rsnd_of_data *of_data, struct rsnd_priv *priv); struct dma_chan *rsnd_dma_request_channel(struct device_node *of_node, struct rsnd_mod *mod, char *name); /* * R-Car sound mod */ enum rsnd_mod_type { RSND_MOD_DVC = 0, RSND_MOD_MIX, RSND_MOD_CTU, RSND_MOD_SRC, RSND_MOD_SSI, RSND_MOD_MAX, }; struct rsnd_mod_ops { char *name; struct dma_chan* (*dma_req)(struct rsnd_dai_stream *io, struct rsnd_mod *mod); int (*probe)(struct rsnd_mod *mod, struct rsnd_dai_stream *io, struct rsnd_priv *priv); int (*remove)(struct rsnd_mod *mod, struct rsnd_dai_stream *io, struct rsnd_priv *priv); int (*init)(struct rsnd_mod *mod, struct rsnd_dai_stream *io, struct rsnd_priv *priv); int (*quit)(struct rsnd_mod *mod, struct rsnd_dai_stream *io, struct rsnd_priv *priv); int (*start)(struct rsnd_mod *mod, struct rsnd_dai_stream *io, struct rsnd_priv *priv); int (*stop)(struct rsnd_mod *mod, struct rsnd_dai_stream *io, struct rsnd_priv *priv); int (*pcm_new)(struct rsnd_mod *mod, struct rsnd_dai_stream *io, struct snd_soc_pcm_runtime *rtd); int (*hw_params)(struct rsnd_mod *mod, struct rsnd_dai_stream *io, struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params); int (*fallback)(struct rsnd_mod *mod, struct rsnd_dai_stream *io, struct rsnd_priv *priv); }; struct rsnd_dai_stream; struct rsnd_mod { int id; enum rsnd_mod_type type; struct rsnd_mod_ops *ops; struct rsnd_dma dma; struct rsnd_priv *priv; struct clk *clk; u32 status; }; /* * status * * 0xH0000CBA * * A 0: probe 1: remove * B 0: init 1: quit * C 0: start 1: stop * * H is always called (see __rsnd_mod_call) * H 0: pcm_new * H 0: fallback * H 0: hw_params */ #define __rsnd_mod_shift_probe 0 #define __rsnd_mod_shift_remove 0 #define __rsnd_mod_shift_init 4 #define __rsnd_mod_shift_quit 4 #define __rsnd_mod_shift_start 8 #define __rsnd_mod_shift_stop 8 #define __rsnd_mod_shift_pcm_new 28 /* always called */ #define __rsnd_mod_shift_fallback 28 /* always called */ #define __rsnd_mod_shift_hw_params 28 /* always called */ #define __rsnd_mod_add_probe 1 #define __rsnd_mod_add_remove -1 #define __rsnd_mod_add_init 1 #define __rsnd_mod_add_quit -1 #define __rsnd_mod_add_start 1 #define __rsnd_mod_add_stop -1 #define __rsnd_mod_add_pcm_new 0 #define __rsnd_mod_add_fallback 0 #define __rsnd_mod_add_hw_params 0 #define __rsnd_mod_call_probe 0 #define __rsnd_mod_call_remove 1 #define __rsnd_mod_call_init 0 #define __rsnd_mod_call_quit 1 #define __rsnd_mod_call_start 0 #define __rsnd_mod_call_stop 1 #define __rsnd_mod_call_pcm_new 0 #define __rsnd_mod_call_fallback 0 #define __rsnd_mod_call_hw_params 0 #define rsnd_mod_to_priv(mod) ((mod)->priv) #define rsnd_mod_to_dma(mod) (&(mod)->dma) #define rsnd_mod_id(mod) ((mod) ? (mod)->id : -1) #define rsnd_mod_power_on(mod) clk_enable((mod)->clk) #define rsnd_mod_power_off(mod) clk_disable((mod)->clk) #define rsnd_mod_get(ip) (&(ip)->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); char *rsnd_mod_name(struct rsnd_mod *mod); struct dma_chan *rsnd_mod_dma_req(struct rsnd_dai_stream *io, struct rsnd_mod *mod); void rsnd_mod_interrupt(struct rsnd_mod *mod, void (*callback)(struct rsnd_mod *mod, struct rsnd_dai_stream *io)); /* * R-Car sound DAI */ #define RSND_DAI_NAME_SIZE 16 struct rsnd_dai_stream { char name[RSND_DAI_NAME_SIZE]; struct snd_pcm_substream *substream; struct rsnd_mod *mod[RSND_MOD_MAX]; struct rsnd_dai_path_info *info; /* rcar_snd.h */ struct rsnd_dai *rdai; int byte_pos; int period_pos; int byte_per_period; int next_period_byte; }; #define rsnd_io_to_mod(io, i) ((i) < RSND_MOD_MAX ? (io)->mod[(i)] : NULL) #define rsnd_io_to_mod_ssi(io) rsnd_io_to_mod((io), RSND_MOD_SSI) #define rsnd_io_to_mod_src(io) rsnd_io_to_mod((io), RSND_MOD_SRC) #define rsnd_io_to_mod_ctu(io) rsnd_io_to_mod((io), RSND_MOD_CTU) #define rsnd_io_to_mod_mix(io) rsnd_io_to_mod((io), RSND_MOD_MIX) #define rsnd_io_to_mod_dvc(io) rsnd_io_to_mod((io), RSND_MOD_DVC) #define rsnd_io_to_rdai(io) ((io)->rdai) #define rsnd_io_to_priv(io) (rsnd_rdai_to_priv(rsnd_io_to_rdai(io))) #define rsnd_io_is_play(io) (&rsnd_io_to_rdai(io)->playback == io) #define rsnd_io_to_runtime(io) ((io)->substream ? \ (io)->substream->runtime : NULL) int rsnd_io_is_working(struct rsnd_dai_stream *io); struct rsnd_dai { char name[RSND_DAI_NAME_SIZE]; struct rsnd_dai_stream playback; struct rsnd_dai_stream capture; struct rsnd_priv *priv; 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 rsnd_rdai_is_clk_master(rdai) ((rdai)->clk_master) #define rsnd_rdai_to_priv(rdai) ((rdai)->priv) #define for_each_rsnd_dai(rdai, priv, i) \ for (i = 0; \ (i < rsnd_rdai_nr(priv)) && \ ((rdai) = rsnd_rdai_get(priv, i)); \ i++) struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id); bool rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int cnt); void rsnd_dai_period_elapsed(struct rsnd_dai_stream *io); int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional); /* * 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); phys_addr_t rsnd_gen_get_phy_addr(struct rsnd_priv *priv, int reg_id); #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_stream *io, unsigned int src_rate, unsigned int dst_rate); int rsnd_adg_set_convert_timing_gen2(struct rsnd_mod *mod, struct rsnd_dai_stream *io); int rsnd_adg_set_cmd_timsel_gen2(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_adg_probe() */ void *adg; /* * below value will be filled on rsnd_dma_probe() */ void *dma; /* * below value will be filled on rsnd_ssi_probe() */ void *ssi; int ssi_nr; /* * below value will be filled on rsnd_src_probe() */ void *src; int src_nr; /* * below value will be filled on rsnd_ctu_probe() */ void *ctu; int ctu_nr; /* * below value will be filled on rsnd_mix_probe() */ void *mix; int mix_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) /* * rsnd_kctrl */ struct rsnd_kctrl_cfg { unsigned int max; unsigned int size; u32 *val; const char * const *texts; void (*update)(struct rsnd_dai_stream *io, struct rsnd_mod *mod); struct rsnd_dai_stream *io; struct snd_card *card; struct snd_kcontrol *kctrl; }; #define RSND_DVC_CHANNELS 2 struct rsnd_kctrl_cfg_m { struct rsnd_kctrl_cfg cfg; u32 val[RSND_DVC_CHANNELS]; }; struct rsnd_kctrl_cfg_s { struct rsnd_kctrl_cfg cfg; u32 val; }; void _rsnd_kctrl_remove(struct rsnd_kctrl_cfg *cfg); #define rsnd_kctrl_remove(_cfg) _rsnd_kctrl_remove(&((_cfg).cfg)) int rsnd_kctrl_new_m(struct rsnd_mod *mod, struct rsnd_dai_stream *io, struct snd_soc_pcm_runtime *rtd, const unsigned char *name, void (*update)(struct rsnd_dai_stream *io, struct rsnd_mod *mod), struct rsnd_kctrl_cfg_m *_cfg, u32 max); int rsnd_kctrl_new_s(struct rsnd_mod *mod, struct rsnd_dai_stream *io, struct snd_soc_pcm_runtime *rtd, const unsigned char *name, void (*update)(struct rsnd_dai_stream *io, struct rsnd_mod *mod), struct rsnd_kctrl_cfg_s *_cfg, u32 max); int rsnd_kctrl_new_e(struct rsnd_mod *mod, struct rsnd_dai_stream *io, struct snd_soc_pcm_runtime *rtd, const unsigned char *name, struct rsnd_kctrl_cfg_s *_cfg, void (*update)(struct rsnd_dai_stream *io, struct rsnd_mod *mod), const char * const *texts, u32 max); /* * R-Car SSI */ int rsnd_ssi_probe(struct platform_device *pdev, const struct rsnd_of_data *of_data, struct rsnd_priv *priv); void rsnd_ssi_remove(struct platform_device *pdev, struct rsnd_priv *priv); struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id); int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod); int rsnd_ssi_use_busif(struct rsnd_dai_stream *io); #define rsnd_ssi_is_pin_sharing(io) \ __rsnd_ssi_is_pin_sharing(rsnd_io_to_mod_ssi(io)) int __rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod); /* * R-Car SRC */ int rsnd_src_probe(struct platform_device *pdev, const struct rsnd_of_data *of_data, struct rsnd_priv *priv); void rsnd_src_remove(struct platform_device *pdev, 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_stream *io, int use_busif); int rsnd_src_ssiu_stop(struct rsnd_mod *ssi_mod, struct rsnd_dai_stream *io); int rsnd_src_ssi_irq_enable(struct rsnd_mod *ssi_mod); int rsnd_src_ssi_irq_disable(struct rsnd_mod *ssi_mod); /* * R-Car CTU */ int rsnd_ctu_probe(struct platform_device *pdev, const struct rsnd_of_data *of_data, struct rsnd_priv *priv); void rsnd_ctu_remove(struct platform_device *pdev, struct rsnd_priv *priv); struct rsnd_mod *rsnd_ctu_mod_get(struct rsnd_priv *priv, int id); /* * R-Car MIX */ int rsnd_mix_probe(struct platform_device *pdev, const struct rsnd_of_data *of_data, struct rsnd_priv *priv); void rsnd_mix_remove(struct platform_device *pdev, struct rsnd_priv *priv); struct rsnd_mod *rsnd_mix_mod_get(struct rsnd_priv *priv, int id); /* * 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); #ifdef DEBUG void rsnd_mod_make_sure(struct rsnd_mod *mod, enum rsnd_mod_type type); #define rsnd_mod_confirm_ssi(mssi) rsnd_mod_make_sure(mssi, RSND_MOD_SSI) #define rsnd_mod_confirm_src(msrc) rsnd_mod_make_sure(msrc, RSND_MOD_SRC) #define rsnd_mod_confirm_dvc(mdvc) rsnd_mod_make_sure(mdvc, RSND_MOD_DVC) #else #define rsnd_mod_confirm_ssi(mssi) #define rsnd_mod_confirm_src(msrc) #define rsnd_mod_confirm_dvc(mdvc) #endif #endif