ssi.c File Reference

#include <linux/init.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/initval.h>
#include <sound/soc.h>
#include <asm/io.h>

Go to the source code of this file.

Data Structures
struct	ssi_priv

Macros
#define	SSICR   0x00
#define	SSISR   0x04
#define	CR_DMAEN   (1 << 28)
#define	CR_CHNL_SHIFT   22
#define	CR_CHNL_MASK   (3 << CR_CHNL_SHIFT)
#define	CR_DWL_SHIFT   19
#define	CR_DWL_MASK   (7 << CR_DWL_SHIFT)
#define	CR_SWL_SHIFT   16
#define	CR_SWL_MASK   (7 << CR_SWL_SHIFT)
#define	CR_SCK_MASTER   (1 << 15) /* bitclock master bit */
#define	CR_SWS_MASTER   (1 << 14) /* wordselect master bit */
#define	CR_SCKP   (1 << 13) /* I2Sclock polarity */
#define	CR_SWSP   (1 << 12) /* LRCK polarity */
#define	CR_SPDP   (1 << 11)
#define	CR_SDTA   (1 << 10) /* i2s alignment (msb/lsb) */
#define	CR_PDTA   (1 << 9) /* fifo data alignment */
#define	CR_DEL   (1 << 8) /* delay data by 1 i2sclk */
#define	CR_BREN   (1 << 7) /* clock gating in burst mode */
#define	CR_CKDIV_SHIFT   4
#define	CR_CKDIV_MASK   (7 << CR_CKDIV_SHIFT) /* bitclock divider */
#define	CR_MUTE   (1 << 3) /* SSI mute */
#define	CR_CPEN   (1 << 2) /* compressed mode */
#define	CR_TRMD   (1 << 1) /* transmit/receive select */
#define	CR_EN   (1 << 0) /* enable SSI */
#define	SSIREG(reg)   (*(unsigned long *)(ssi->mmio + (reg)))
#define	SSI_RATES   SNDRV_PCM_RATE_8000_192000
#define	SSI_FMTS

Functions
	module_platform_driver (sh4_ssi_driver)
	MODULE_LICENSE ("GPL")
	MODULE_DESCRIPTION ("SuperH onchip SSI (I2S) audio driver")
	MODULE_AUTHOR ("Manuel Lauss <[email protected]>")

Variables
struct ssi_priv	ssi_cpu_data []

Macro Definition Documentation

#define CR_BREN   (1 << 7) /* clock gating in burst mode */

Definition at line 57 of file ssi.c.

#define CR_CHNL_MASK   (3 << CR_CHNL_SHIFT)

Definition at line 44 of file ssi.c.

#define CR_CHNL_SHIFT   22

Definition at line 43 of file ssi.c.

#define CR_CKDIV_MASK   (7 << CR_CKDIV_SHIFT) /* bitclock divider */

Definition at line 59 of file ssi.c.

#define CR_CKDIV_SHIFT   4

Definition at line 58 of file ssi.c.

#define CR_CPEN   (1 << 2) /* compressed mode */

Definition at line 61 of file ssi.c.

#define CR_DEL   (1 << 8) /* delay data by 1 i2sclk */

Definition at line 56 of file ssi.c.

#define CR_DMAEN   (1 << 28)

Definition at line 42 of file ssi.c.

#define CR_DWL_MASK   (7 << CR_DWL_SHIFT)

Definition at line 46 of file ssi.c.

#define CR_DWL_SHIFT   19

Definition at line 45 of file ssi.c.

#define CR_EN   (1 << 0) /* enable SSI */

Definition at line 63 of file ssi.c.

#define CR_MUTE   (1 << 3) /* SSI mute */

Definition at line 60 of file ssi.c.

#define CR_PDTA   (1 << 9) /* fifo data alignment */

Definition at line 55 of file ssi.c.

#define CR_SCK_MASTER   (1 << 15) /* bitclock master bit */

Definition at line 49 of file ssi.c.

#define CR_SCKP   (1 << 13) /* I2Sclock polarity */

Definition at line 51 of file ssi.c.

#define CR_SDTA   (1 << 10) /* i2s alignment (msb/lsb) */

Definition at line 54 of file ssi.c.

#define CR_SPDP   (1 << 11)

Definition at line 53 of file ssi.c.

#define CR_SWL_MASK   (7 << CR_SWL_SHIFT)

Definition at line 48 of file ssi.c.

#define CR_SWL_SHIFT   16

Definition at line 47 of file ssi.c.

#define CR_SWS_MASTER   (1 << 14) /* wordselect master bit */

Definition at line 50 of file ssi.c.

#define CR_SWSP   (1 << 12) /* LRCK polarity */

Definition at line 52 of file ssi.c.

#define CR_TRMD   (1 << 1) /* transmit/receive select */

Definition at line 62 of file ssi.c.

#define SSI_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 328 of file ssi.c.

#define SSI_RATES   SNDRV_PCM_RATE_8000_192000

Definition at line 324 of file ssi.c.

#define SSICR   0x00

Definition at line 39 of file ssi.c.

#define SSIREG

(

reg

)

(*(unsigned long *)(ssi->mmio + (reg)))

Definition at line 65 of file ssi.c.

#define SSISR   0x04

Definition at line 40 of file ssi.c.

Function Documentation

MODULE_AUTHOR

(

"Manuel Lauss <[email protected]>"

)

MODULE_DESCRIPTION

(

"SuperH onchip SSI (I2S) audio driver"

)

MODULE_LICENSE

(

"GPL"

)

module_platform_driver

(

sh4_ssi_driver

)

Variable Documentation

struct ssi_priv ssi_cpu_data[]

Initial value:

= {














}