diff options
Diffstat (limited to 'kernel/sound/soc/sh/rcar/rsnd.h')
| -rw-r--r-- | kernel/sound/soc/sh/rcar/rsnd.h | 548 |
1 files changed, 548 insertions, 0 deletions
diff --git a/kernel/sound/soc/sh/rcar/rsnd.h b/kernel/sound/soc/sh/rcar/rsnd.h new file mode 100644 index 000000000..4e6de6804 --- /dev/null +++ b/kernel/sound/soc/sh/rcar/rsnd.h @@ -0,0 +1,548 @@ +/* + * 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_SCU_SYS_STATUS0, + RSND_REG_SCU_SYS_INT_EN0, + 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_SHARE26, + RSND_REG_SHARE27, + RSND_REG_SHARE28, + + 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 +#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 + +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 rsnd_dma_ops { + void (*start)(struct rsnd_dma *dma); + void (*stop)(struct rsnd_dma *dma); + int (*init)(struct rsnd_priv *priv, struct rsnd_dma *dma, int id, + struct rsnd_mod *mod_from, struct rsnd_mod *mod_to); + void (*quit)(struct rsnd_dma *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) + +void rsnd_dma_start(struct rsnd_dma *dma); +void rsnd_dma_stop(struct rsnd_dma *dma); +int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma, int id); +void rsnd_dma_quit(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); + +#define rsnd_dma_to_mod(_dma) container_of((_dma), struct rsnd_mod, dma) + +/* + * R-Car sound mod + */ +enum rsnd_mod_type { + RSND_MOD_DVC = 0, + RSND_MOD_SRC, + RSND_MOD_SSI, + RSND_MOD_MAX, +}; + +struct rsnd_mod_ops { + char *name; + struct dma_chan* (*dma_req)(struct rsnd_mod *mod); + int (*probe)(struct rsnd_mod *mod, + struct rsnd_priv *priv); + int (*remove)(struct rsnd_mod *mod, + struct rsnd_priv *priv); + int (*init)(struct rsnd_mod *mod, + struct rsnd_priv *priv); + int (*quit)(struct rsnd_mod *mod, + struct rsnd_priv *priv); + int (*start)(struct rsnd_mod *mod, + struct rsnd_priv *priv); + int (*stop)(struct rsnd_mod *mod, + struct rsnd_priv *priv); + int (*pcm_new)(struct rsnd_mod *mod, + struct snd_soc_pcm_runtime *rtd); + int (*hw_params)(struct rsnd_mod *mod, + struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params); + int (*fallback)(struct rsnd_mod *mod, + 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_dai_stream *io; + struct clk *clk; + u32 status; +}; +/* + * status + * + * bit + * 0 0: probe 1: remove + * 1 0: init 1: quit + * 2 0: start 1: stop + * 3 0: pcm_new + * 4 0: fallback + * + * 31 bit is always called (see __rsnd_mod_call) + * 31 0: hw_params + */ +#define __rsnd_mod_shift_probe 0 +#define __rsnd_mod_shift_remove 0 +#define __rsnd_mod_shift_init 1 +#define __rsnd_mod_shift_quit 1 +#define __rsnd_mod_shift_start 2 +#define __rsnd_mod_shift_stop 2 +#define __rsnd_mod_shift_pcm_new 3 +#define __rsnd_mod_shift_fallback 4 +#define __rsnd_mod_shift_hw_params 31 /* always called */ + +#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) (rsnd_io_to_priv(rsnd_mod_to_io(mod))) +#define rsnd_mod_to_dma(mod) (&(mod)->dma) +#define rsnd_mod_to_io(mod) ((mod)->io) +#define rsnd_mod_id(mod) ((mod)->id) +#define rsnd_mod_hw_start(mod) clk_enable((mod)->clk) +#define rsnd_mod_hw_stop(mod) clk_disable((mod)->clk) + +int rsnd_mod_init(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_mod *mod); + +/* + * 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_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]) +#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) + + +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); + +void rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int cnt); +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_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_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_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) + +/* + * rsnd_kctrl + */ +struct rsnd_kctrl_cfg { + unsigned int max; + unsigned int size; + u32 *val; + const char * const *texts; + void (*update)(struct rsnd_mod *mod); + 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 snd_soc_pcm_runtime *rtd, + const unsigned char *name, + void (*update)(struct rsnd_mod *mod), + struct rsnd_kctrl_cfg_m *_cfg, + u32 max); +int rsnd_kctrl_new_s(struct rsnd_mod *mod, + struct snd_soc_pcm_runtime *rtd, + const unsigned char *name, + void (*update)(struct rsnd_mod *mod), + struct rsnd_kctrl_cfg_s *_cfg, + u32 max); +int rsnd_kctrl_new_e(struct rsnd_mod *mod, + struct snd_soc_pcm_runtime *rtd, + const unsigned char *name, + struct rsnd_kctrl_cfg_s *_cfg, + void (*update)(struct rsnd_mod *mod), + const char * const *texts, + u32 max); + +/* + * 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, + int use_busif); +int rsnd_src_ssiu_stop(struct rsnd_mod *ssi_mod); +int rsnd_src_ssi_irq_enable(struct rsnd_mod *ssi_mod); +int rsnd_src_ssi_irq_disable(struct rsnd_mod *ssi_mod); + +#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); +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_pin_sharing(struct rsnd_mod *mod); +int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod); +int rsnd_ssi_use_busif(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 |