sound/soc/codecs/wm8900.h

Source file repositories/reference/linux-study-clean/sound/soc/codecs/wm8900.h

File Facts

System
Linux kernel
Corpus path
sound/soc/codecs/wm8900.h
Extension
.h
Size
1376 bytes
Lines
53
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

#ifndef _WM8900_H
#define _WM8900_H

#define WM8900_FLL 1

#define WM8900_BCLK_DIV   1
#define WM8900_ADC_CLKDIV 2
#define WM8900_DAC_CLKDIV 3
#define WM8900_ADC_LRCLK  4
#define WM8900_DAC_LRCLK  5
#define WM8900_OPCLK_DIV  6
#define WM8900_LRCLK_MODE 7

#define WM8900_BCLK_DIV_1   0x00
#define WM8900_BCLK_DIV_1_5 0x02
#define WM8900_BCLK_DIV_2   0x04
#define WM8900_BCLK_DIV_3   0x06
#define WM8900_BCLK_DIV_4   0x08
#define WM8900_BCLK_DIV_5_5 0x0a
#define WM8900_BCLK_DIV_6   0x0c
#define WM8900_BCLK_DIV_8   0x0e
#define WM8900_BCLK_DIV_11  0x10
#define WM8900_BCLK_DIV_12  0x12
#define WM8900_BCLK_DIV_16  0x14
#define WM8900_BCLK_DIV_22  0x16
#define WM8900_BCLK_DIV_24  0x18
#define WM8900_BCLK_DIV_32  0x1a
#define WM8900_BCLK_DIV_44  0x1c
#define WM8900_BCLK_DIV_48  0x1e

#define WM8900_ADC_CLKDIV_1   0x00
#define WM8900_ADC_CLKDIV_1_5 0x20
#define WM8900_ADC_CLKDIV_2   0x40
#define WM8900_ADC_CLKDIV_3   0x60
#define WM8900_ADC_CLKDIV_4   0x80
#define WM8900_ADC_CLKDIV_5_5 0xa0
#define WM8900_ADC_CLKDIV_6   0xc0

#define WM8900_DAC_CLKDIV_1   0x00
#define WM8900_DAC_CLKDIV_1_5 0x04
#define WM8900_DAC_CLKDIV_2   0x08
#define WM8900_DAC_CLKDIV_3   0x0c
#define WM8900_DAC_CLKDIV_4   0x10
#define WM8900_DAC_CLKDIV_5_5 0x14
#define WM8900_DAC_CLKDIV_6   0x18

#endif

Annotation

Implementation Notes