diff options
Diffstat (limited to 'sound/soc/sh/rcar/rsnd.h')
-rw-r--r-- | sound/soc/sh/rcar/rsnd.h | 92 |
1 files changed, 61 insertions, 31 deletions
diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h index e7914bd610e2..4e6de6804cfb 100644 --- a/sound/soc/sh/rcar/rsnd.h +++ b/sound/soc/sh/rcar/rsnd.h @@ -170,21 +170,47 @@ u32 rsnd_get_adinr(struct rsnd_mod *mod); /* * R-Car DMA */ -struct rsnd_dma { - struct sh_dmae_slave slave; +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; - enum dma_transfer_direction dir; - dma_addr_t addr; }; +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_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); +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 @@ -198,7 +224,7 @@ enum rsnd_mod_type { struct rsnd_mod_ops { char *name; - char* (*dma_name)(struct rsnd_mod *mod); + 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, @@ -213,6 +239,9 @@ struct rsnd_mod_ops { 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); }; @@ -236,6 +265,9 @@ struct rsnd_mod { * 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 @@ -245,6 +277,7 @@ struct rsnd_mod { #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 @@ -254,28 +287,30 @@ struct rsnd_mod { #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_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) -#define rsnd_mod_hw_start(mod) clk_prepare_enable((mod)->clk) -#define rsnd_mod_hw_stop(mod) clk_disable_unprepare((mod)->clk) +#define rsnd_mod_hw_start(mod) clk_enable((mod)->clk) +#define rsnd_mod_hw_stop(mod) clk_disable((mod)->clk) -void rsnd_mod_init(struct rsnd_mod *mod, +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); -char *rsnd_mod_dma_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 */ @@ -331,9 +366,7 @@ int rsnd_gen_probe(struct platform_device *pdev, 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); +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) @@ -389,6 +422,11 @@ struct rsnd_priv { void *adg; /* + * below value will be filled on rsnd_dma_probe() + */ + void *dma; + + /* * below value will be filled on rsnd_ssi_probe() */ void *ssi; @@ -414,19 +452,6 @@ struct rsnd_priv { #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; \ -}) - /* * rsnd_kctrl */ @@ -480,6 +505,8 @@ int rsnd_kctrl_new_e(struct rsnd_mod *mod, 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, @@ -498,9 +525,12 @@ int rsnd_src_ssi_irq_disable(struct rsnd_mod *ssi_mod); 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 |