sound/soc/meson/aiu.h

Source file repositories/reference/linux-study-clean/sound/soc/meson/aiu.h

File Facts

System
Linux kernel
Corpus path
sound/soc/meson/aiu.h
Extension
.h
Size
2285 bytes
Lines
89
Domain
Driver Families
Bucket
sound/soc
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct aiu_interface {
	struct clk_bulk_data *clks;
	unsigned int clk_num;
	int irq;
};

struct aiu_platform_data {
	bool has_acodec;
	bool has_clk_ctrl_more_i2s_div;
};

struct aiu {
	struct clk *spdif_mclk;
	struct aiu_interface i2s;
	struct aiu_interface spdif;
	const struct aiu_platform_data *platform;
};

#define AIU_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |	\
		     SNDRV_PCM_FMTBIT_S20_LE |	\
		     SNDRV_PCM_FMTBIT_S24_LE)

int aiu_of_xlate_dai_name(struct snd_soc_component *component,
			  const struct of_phandle_args *args,
			  const char **dai_name,
			  unsigned int component_id);

int aiu_hdmi_ctrl_register_component(struct device *dev);
int aiu_acodec_ctrl_register_component(struct device *dev);

int aiu_fifo_i2s_dai_probe(struct snd_soc_dai *dai);
int aiu_fifo_spdif_dai_probe(struct snd_soc_dai *dai);

extern const struct snd_soc_dai_ops aiu_fifo_i2s_dai_ops;
extern const struct snd_soc_dai_ops aiu_fifo_spdif_dai_ops;
extern const struct snd_soc_dai_ops aiu_encoder_i2s_dai_ops;
extern const struct snd_soc_dai_ops aiu_encoder_spdif_dai_ops;

#define AIU_IEC958_BPF			0x000
#define AIU_958_MISC			0x010
#define AIU_IEC958_DCU_FF_CTRL		0x01c
#define AIU_958_CHSTAT_L0		0x020
#define AIU_958_CHSTAT_L1		0x024
#define AIU_958_CTRL			0x028
#define AIU_I2S_SOURCE_DESC		0x034
#define AIU_I2S_DAC_CFG			0x040
#define AIU_I2S_SYNC			0x044
#define AIU_I2S_MISC			0x048
#define AIU_RST_SOFT			0x054
#define AIU_CLK_CTRL			0x058
#define AIU_CLK_CTRL_MORE		0x064
#define AIU_CODEC_DAC_LRCLK_CTRL	0x0a0
#define AIU_HDMI_CLK_DATA_CTRL		0x0a8
#define AIU_ACODEC_CTRL			0x0b0
#define AIU_958_CHSTAT_R0		0x0c0
#define AIU_958_CHSTAT_R1		0x0c4
#define AIU_MEM_I2S_START		0x180
#define AIU_MEM_I2S_MASKS		0x18c
#define AIU_MEM_I2S_CONTROL		0x190
#define AIU_MEM_IEC958_START		0x194
#define AIU_MEM_IEC958_CONTROL		0x1a4
#define AIU_MEM_I2S_BUF_CNTL		0x1d8
#define AIU_MEM_IEC958_BUF_CNTL		0x1fc

#endif /* _MESON_AIU_H */

Annotation

Implementation Notes