dma-sh7760.c File Reference

#include <linux/module.h>
#include <linux/gfp.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <asm/dmabrg.h>

Go to the source code of this file.

Data Structures
struct	camelot_pcm

Macros
#define	BRGATXSAR   0x00
#define	BRGARXDAR   0x04
#define	BRGATXTCR   0x08
#define	BRGARXTCR   0x0C
#define	BRGACR   0x10
#define	BRGATXTCNT   0x14
#define	BRGARXTCNT   0x18
#define	ACR_RAR   (1 << 18)
#define	ACR_RDS   (1 << 17)
#define	ACR_RDE   (1 << 16)
#define	ACR_TAR   (1 << 2)
#define	ACR_TDS   (1 << 1)
#define	ACR_TDE   (1 << 0)
#define	ACR_RAM_NONE   (0 << 24)
#define	ACR_RAM_4BYTE   (1 << 24)
#define	ACR_RAM_2WORD   (2 << 24)
#define	ACR_TAM_NONE   (0 << 8)
#define	ACR_TAM_4BYTE   (1 << 8)
#define	ACR_TAM_2WORD   (2 << 8)
#define	BRGREG(x)   (*(unsigned long *)(cam->mmio + (x)))
#define	DMABRG_PERIOD_MIN   16 * 1024
#define	DMABRG_PERIOD_MAX   0x03fffffc
#define	DMABRG_PREALLOC_BUFFER   32 * 1024
#define	DMABRG_PREALLOC_BUFFER_MAX   32 * 1024
#define	DMABRG_RATES   SNDRV_PCM_RATE_8000_192000
#define	DMABRG_FMTS

Functions
	module_platform_driver (sh7760_pcm_driver)
	MODULE_LICENSE ("GPL")
	MODULE_DESCRIPTION ("SH7760 Audio DMA (DMABRG) driver")
	MODULE_AUTHOR ("Manuel Lauss <[email protected]>")

Variables
struct camelot_pcm	cam_pcm_data [2]

Macro Definition Documentation

#define ACR_RAM_2WORD   (2 << 24)

Definition at line 46 of file dma-sh7760.c.

#define ACR_RAM_4BYTE   (1 << 24)

Definition at line 45 of file dma-sh7760.c.

#define ACR_RAM_NONE   (0 << 24)

Definition at line 44 of file dma-sh7760.c.

#define ACR_RAR   (1 << 18)

Definition at line 36 of file dma-sh7760.c.

#define ACR_RDE   (1 << 16)

Definition at line 38 of file dma-sh7760.c.

#define ACR_RDS   (1 << 17)

Definition at line 37 of file dma-sh7760.c.

#define ACR_TAM_2WORD   (2 << 8)

Definition at line 49 of file dma-sh7760.c.

#define ACR_TAM_4BYTE   (1 << 8)

Definition at line 48 of file dma-sh7760.c.

#define ACR_TAM_NONE   (0 << 8)

Definition at line 47 of file dma-sh7760.c.

#define ACR_TAR   (1 << 2)

Definition at line 39 of file dma-sh7760.c.

#define ACR_TDE   (1 << 0)

Definition at line 41 of file dma-sh7760.c.

#define ACR_TDS   (1 << 1)

Definition at line 40 of file dma-sh7760.c.

#define BRGACR   0x10

Definition at line 32 of file dma-sh7760.c.

#define BRGARXDAR   0x04

Definition at line 29 of file dma-sh7760.c.

#define BRGARXTCNT   0x18

Definition at line 34 of file dma-sh7760.c.

#define BRGARXTCR   0x0C

Definition at line 31 of file dma-sh7760.c.

#define BRGATXSAR   0x00

Definition at line 28 of file dma-sh7760.c.

#define BRGATXTCNT   0x14

Definition at line 33 of file dma-sh7760.c.

#define BRGATXTCR   0x08

Definition at line 30 of file dma-sh7760.c.

#define BRGREG

(

x

)

(*(unsigned long *)(cam->mmio + (x)))

Definition at line 75 of file dma-sh7760.c.

#define DMABRG_FMTS

Value:

(SNDRV_PCM_FMTBIT_S8      | SNDRV_PCM_FMTBIT_U8      |  \
     SNDRV_PCM_FMTBIT_S16_LE  | SNDRV_PCM_FMTBIT_U16_LE  |  \
     SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_U20_3LE |  \
     SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_U24_3LE |  \
     SNDRV_PCM_FMTBIT_S32_LE  | SNDRV_PCM_FMTBIT_U32_LE)

Definition at line 96 of file dma-sh7760.c.

#define DMABRG_PERIOD_MAX   0x03fffffc

Definition at line 88 of file dma-sh7760.c.

#define DMABRG_PERIOD_MIN   16 * 1024

Definition at line 87 of file dma-sh7760.c.

#define DMABRG_PREALLOC_BUFFER   32 * 1024

Definition at line 89 of file dma-sh7760.c.

#define DMABRG_PREALLOC_BUFFER_MAX   32 * 1024

Definition at line 90 of file dma-sh7760.c.

#define DMABRG_RATES   SNDRV_PCM_RATE_8000_192000

Definition at line 93 of file dma-sh7760.c.

Function Documentation

MODULE_AUTHOR

(

"Manuel Lauss <[email protected]>"

)

MODULE_DESCRIPTION

(

"SH7760 Audio DMA (DMABRG) driver"

)

MODULE_LICENSE

(

"GPL"

)

module_platform_driver

(

sh7760_pcm_driver

)

Variable Documentation

struct camelot_pcm cam_pcm_data[2]

Initial value:

= {
    {
        .mmio   =   0xFE3C0040,
        .txid   =   DMABRGIRQ_A0TXF,
    },
    {
        .mmio   =   0xFE3C0060,
        .txid   =   DMABRGIRQ_A1TXF,
    },
}