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Diffstat (limited to 'sound/soc/sh/rcar/rsnd.h')
-rw-r--r--sound/soc/sh/rcar/rsnd.h92
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
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.