abdac.c File Reference

#include <linux/clk.h>
#include <linux/bitmap.h>
#include <linux/dw_dmac.h>
#include <linux/dmaengine.h>
#include <linux/dma-mapping.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/types.h>
#include <linux/io.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/atmel-abdac.h>

Go to the source code of this file.

Data Structures
struct	atmel_abdac_dma
struct	atmel_abdac

Macros
#define	DAC_DATA   0x0000
#define	DAC_CTRL   0x0008
#define	DAC_INT_MASK   0x000c
#define	DAC_INT_EN   0x0010
#define	DAC_INT_DIS   0x0014
#define	DAC_INT_CLR   0x0018
#define	DAC_INT_STATUS   0x001c
#define	DAC_SWAP_OFFSET   30
#define	DAC_SWAP_SIZE   1
#define	DAC_EN_OFFSET   31
#define	DAC_EN_SIZE   1
#define	DAC_UNDERRUN_OFFSET   28
#define	DAC_UNDERRUN_SIZE   1
#define	DAC_TX_READY_OFFSET   29
#define	DAC_TX_READY_SIZE   1
#define	DAC_BIT(name)   (1 << DAC_##name##_OFFSET)
#define	DAC_BF(name, value)
#define	DAC_BFEXT(name, value)
#define	DAC_BFINS(name, value, old)
#define	dac_readl(port, reg)   __raw_readl((port)->regs + DAC_##reg)
#define	dac_writel(port, reg, value)   __raw_writel((value), (port)->regs + DAC_##reg)
#define	MAX_NUM_RATES   6
#define	RATE_MAX   192000
#define	RATE_MIN   5112
#define	get_dac(card)   ((struct atmel_abdac *)(card)->private_data)
#define	ATMEL_ABDAC_PM_OPS   NULL

Enumerations
enum	{ DMA_READY = 0 }

Functions
	module_init (atmel_abdac_init)
	module_exit (atmel_abdac_exit)
	MODULE_LICENSE ("GPL")
	MODULE_DESCRIPTION ("Driver for Atmel Audio Bitstream DAC (ABDAC)")
	MODULE_AUTHOR ("Hans-Christian Egtvedt <egtvedt@samfundet.no>")

Macro Definition Documentation

#define ATMEL_ABDAC_PM_OPS   NULL

Definition at line 567 of file abdac.c.

#define DAC_BF	(		name,
			value
	)

Value:

(((value) & ((1 << DAC_##name##_SIZE) - 1)) \
     << DAC_##name##_OFFSET)

Definition at line 52 of file abdac.c.

#define DAC_BFEXT	(		name,
			value
	)

Value:

(((value) >> DAC_##name##_OFFSET)       \
     & ((1 << DAC_##name##_SIZE) - 1))

Definition at line 55 of file abdac.c.

#define DAC_BFINS	(		name,
			value,
			old
	)

Value:

(((old) & ~(((1 << DAC_##name##_SIZE) - 1)  \
            << DAC_##name##_OFFSET))        \
     | DAC_BF(name, value))

Definition at line 58 of file abdac.c.

#define DAC_BIT

(

name

)

(1 << DAC_##name##_OFFSET)

Definition at line 50 of file abdac.c.

#define DAC_CTRL   0x0008

Definition at line 30 of file abdac.c.

#define DAC_DATA   0x0000

Definition at line 29 of file abdac.c.

#define DAC_EN_OFFSET   31

Definition at line 40 of file abdac.c.

#define DAC_EN_SIZE   1

Definition at line 41 of file abdac.c.

#define DAC_INT_CLR   0x0018

Definition at line 34 of file abdac.c.

#define DAC_INT_DIS   0x0014

Definition at line 33 of file abdac.c.

#define DAC_INT_EN   0x0010

Definition at line 32 of file abdac.c.

#define DAC_INT_MASK   0x000c

Definition at line 31 of file abdac.c.

#define DAC_INT_STATUS   0x001c

Definition at line 35 of file abdac.c.

#define dac_readl	(		port,
			reg
	)		__raw_readl((port)->regs + DAC_##reg)

Definition at line 64 of file abdac.c.

#define DAC_SWAP_OFFSET   30

Definition at line 38 of file abdac.c.

#define DAC_SWAP_SIZE   1

Definition at line 39 of file abdac.c.

#define DAC_TX_READY_OFFSET   29

Definition at line 46 of file abdac.c.

#define DAC_TX_READY_SIZE   1

Definition at line 47 of file abdac.c.

#define DAC_UNDERRUN_OFFSET   28

Definition at line 44 of file abdac.c.

#define DAC_UNDERRUN_SIZE   1

Definition at line 45 of file abdac.c.

#define dac_writel	(		port,
			reg,
			value
	)		__raw_writel((value), (port)->regs + DAC_##reg)

Definition at line 66 of file abdac.c.

#define get_dac

(

card

)

((struct atmel_abdac *)(card)->private_data)

Definition at line 106 of file abdac.c.

#define MAX_NUM_RATES   6

Definition at line 74 of file abdac.c.

#define RATE_MAX   192000

Definition at line 76 of file abdac.c.

#define RATE_MIN   5112

Definition at line 77 of file abdac.c.

Enumeration Type Documentation

anonymous enum

Enumerator:

DMA_READY

Definition at line 79 of file abdac.c.

Function Documentation

MODULE_AUTHOR

(

"Hans-Christian Egtvedt <egtvedt@samfundet.no>"

)

MODULE_DESCRIPTION

(

"Driver for Atmel Audio Bitstream DAC (ABDAC)"

)

module_exit

(

atmel_abdac_exit

)

module_init

(

atmel_abdac_init

)

MODULE_LICENSE

(

"GPL"

)