ep93xx-i2s.c File Reference

#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/initval.h>
#include <sound/soc.h>
#include <mach/hardware.h>
#include <mach/ep93xx-regs.h>
#include <linux/platform_data/dma-ep93xx.h>
#include "ep93xx-pcm.h"

Go to the source code of this file.

Data Structures
struct	ep93xx_i2s_info

Macros
#define	EP93XX_I2S_TXCLKCFG   0x00
#define	EP93XX_I2S_RXCLKCFG   0x04
#define	EP93XX_I2S_GLCTRL   0x0C
#define	EP93XX_I2S_TXLINCTRLDATA   0x28
#define	EP93XX_I2S_TXCTRL   0x2C
#define	EP93XX_I2S_TXWRDLEN   0x30
#define	EP93XX_I2S_TX0EN   0x34
#define	EP93XX_I2S_RXLINCTRLDATA   0x58
#define	EP93XX_I2S_RXCTRL   0x5C
#define	EP93XX_I2S_RXWRDLEN   0x60
#define	EP93XX_I2S_RX0EN   0x64
#define	EP93XX_I2S_WRDLEN_16   (0 << 0)
#define	EP93XX_I2S_WRDLEN_24   (1 << 0)
#define	EP93XX_I2S_WRDLEN_32   (2 << 0)
#define	EP93XX_I2S_LINCTRLDATA_R_JUST   (1 << 2) /* Right justify */
#define	EP93XX_I2S_CLKCFG_LRS   (1 << 0) /* lrclk polarity */
#define	EP93XX_I2S_CLKCFG_CKP   (1 << 1) /* Bit clock polarity */
#define	EP93XX_I2S_CLKCFG_REL   (1 << 2) /* First bit transition */
#define	EP93XX_I2S_CLKCFG_MASTER   (1 << 3) /* Master mode */
#define	EP93XX_I2S_CLKCFG_NBCG   (1 << 4) /* Not bit clock gating */
#define	ep93xx_i2s_suspend   NULL
#define	ep93xx_i2s_resume   NULL
#define	EP93XX_I2S_FORMATS   (SNDRV_PCM_FMTBIT_S32_LE)

Functions
	module_platform_driver (ep93xx_i2s_driver)
	MODULE_ALIAS ("platform:ep93xx-i2s")
	MODULE_AUTHOR ("Ryan Mallon")
	MODULE_DESCRIPTION ("EP93XX I2S driver")
	MODULE_LICENSE ("GPL")

Variables
struct ep93xx_pcm_dma_params	ep93xx_i2s_dma_params []

Macro Definition Documentation

#define EP93XX_I2S_CLKCFG_CKP   (1 << 1) /* Bit clock polarity */

Definition at line 56 of file ep93xx-i2s.c.

#define EP93XX_I2S_CLKCFG_LRS   (1 << 0) /* lrclk polarity */

Definition at line 55 of file ep93xx-i2s.c.

#define EP93XX_I2S_CLKCFG_MASTER   (1 << 3) /* Master mode */

Definition at line 58 of file ep93xx-i2s.c.

#define EP93XX_I2S_CLKCFG_NBCG   (1 << 4) /* Not bit clock gating */

Definition at line 59 of file ep93xx-i2s.c.

#define EP93XX_I2S_CLKCFG_REL   (1 << 2) /* First bit transition */

Definition at line 57 of file ep93xx-i2s.c.

#define EP93XX_I2S_FORMATS   (SNDRV_PCM_FMTBIT_S32_LE)

Definition at line 348 of file ep93xx-i2s.c.

#define EP93XX_I2S_GLCTRL   0x0C

Definition at line 37 of file ep93xx-i2s.c.

#define EP93XX_I2S_LINCTRLDATA_R_JUST   (1 << 2) /* Right justify */

Definition at line 53 of file ep93xx-i2s.c.

#define ep93xx_i2s_resume   NULL

Definition at line 337 of file ep93xx-i2s.c.

#define EP93XX_I2S_RX0EN   0x64

Definition at line 47 of file ep93xx-i2s.c.

#define EP93XX_I2S_RXCLKCFG   0x04

Definition at line 36 of file ep93xx-i2s.c.

#define EP93XX_I2S_RXCTRL   0x5C

Definition at line 45 of file ep93xx-i2s.c.

#define EP93XX_I2S_RXLINCTRLDATA   0x58

Definition at line 44 of file ep93xx-i2s.c.

#define EP93XX_I2S_RXWRDLEN   0x60

Definition at line 46 of file ep93xx-i2s.c.

#define ep93xx_i2s_suspend   NULL

Definition at line 336 of file ep93xx-i2s.c.

#define EP93XX_I2S_TX0EN   0x34

Definition at line 42 of file ep93xx-i2s.c.

#define EP93XX_I2S_TXCLKCFG   0x00

Definition at line 35 of file ep93xx-i2s.c.

#define EP93XX_I2S_TXCTRL   0x2C

Definition at line 40 of file ep93xx-i2s.c.

#define EP93XX_I2S_TXLINCTRLDATA   0x28

Definition at line 39 of file ep93xx-i2s.c.

#define EP93XX_I2S_TXWRDLEN   0x30

Definition at line 41 of file ep93xx-i2s.c.

#define EP93XX_I2S_WRDLEN_16   (0 << 0)

Definition at line 49 of file ep93xx-i2s.c.

#define EP93XX_I2S_WRDLEN_24   (1 << 0)

Definition at line 50 of file ep93xx-i2s.c.

#define EP93XX_I2S_WRDLEN_32   (2 << 0)

Definition at line 51 of file ep93xx-i2s.c.

Function Documentation

MODULE_ALIAS

(

"platform:ep93xx-i2s"

)

MODULE_AUTHOR

(

"Ryan Mallon"

)

MODULE_DESCRIPTION

(

"EP93XX I2S driver"

)

MODULE_LICENSE

(

"GPL"

)

module_platform_driver

(

ep93xx_i2s_driver

)

Variable Documentation

struct ep93xx_pcm_dma_params ep93xx_i2s_dma_params[]

Initial value:

= {
    [SNDRV_PCM_STREAM_PLAYBACK] = {
        .name       = "i2s-pcm-out",
        .dma_port   = EP93XX_DMA_I2S1,
    },
    [SNDRV_PCM_STREAM_CAPTURE] = {
        .name       = "i2s-pcm-in",
        .dma_port   = EP93XX_DMA_I2S1,
    },
}

Definition at line 69 of file ep93xx-i2s.c.