spi-fsl-espi.c File Reference

#include <linux/module.h>
#include <linux/delay.h>
#include <linux/irq.h>
#include <linux/spi/spi.h>
#include <linux/platform_device.h>
#include <linux/fsl_devices.h>
#include <linux/mm.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/interrupt.h>
#include <linux/err.h>
#include <sysdev/fsl_soc.h>
#include "spi-fsl-lib.h"

Go to the source code of this file.

Data Structures
struct	fsl_espi_reg
struct	fsl_espi_transfer

Macros
#define	SPMODE_ENABLE   (1 << 31)
#define	SPMODE_LOOP   (1 << 30)
#define	SPMODE_TXTHR(x)   ((x) << 8)
#define	SPMODE_RXTHR(x)   ((x) << 0)
#define	CSMODE_CI_INACTIVEHIGH   (1 << 31)
#define	CSMODE_CP_BEGIN_EDGECLK   (1 << 30)
#define	CSMODE_REV   (1 << 29)
#define	CSMODE_DIV16   (1 << 28)
#define	CSMODE_PM(x)   ((x) << 24)
#define	CSMODE_POL_1   (1 << 20)
#define	CSMODE_LEN(x)   ((x) << 16)
#define	CSMODE_BEF(x)   ((x) << 12)
#define	CSMODE_AFT(x)   ((x) << 8)
#define	CSMODE_CG(x)   ((x) << 3)
#define	SPMODE_INIT_VAL   (SPMODE_TXTHR(4) | SPMODE_RXTHR(3))
#define	CSMODE_INIT_VAL
#define	SPIE_NE   0x00000200 /* Not empty */
#define	SPIE_NF   0x00000100 /* Not full */
#define	SPIM_NE   0x00000200 /* Not empty */
#define	SPIM_NF   0x00000100 /* Not full */
#define	SPIE_RXCNT(reg)   ((reg >> 24) & 0x3F)
#define	SPIE_TXCNT(reg)   ((reg >> 16) & 0x3F)
#define	SPCOM_CS(x)   ((x) << 30)
#define	SPCOM_TRANLEN(x)   ((x) << 0)
#define	SPCOM_TRANLEN_MAX   0xFFFF /* Max transaction length */

Functions
void	fsl_espi_cpu_irq (struct mpc8xxx_spi *mspi, u32 events)
	MODULE_DEVICE_TABLE (of, of_fsl_espi_match)
	module_platform_driver (fsl_espi_driver)
	MODULE_AUTHOR ("Mingkai Hu")
	MODULE_DESCRIPTION ("Enhanced Freescale SPI Driver")
	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define CSMODE_AFT

(

x

)

((x) << 8)

Definition at line 63 of file spi-fsl-espi.c.

#define CSMODE_BEF

(

x

)

((x) << 12)

Definition at line 62 of file spi-fsl-espi.c.

#define CSMODE_CG

(

x

)

((x) << 3)

Definition at line 64 of file spi-fsl-espi.c.

#define CSMODE_CI_INACTIVEHIGH   (1 << 31)

Definition at line 55 of file spi-fsl-espi.c.

#define CSMODE_CP_BEGIN_EDGECLK   (1 << 30)

Definition at line 56 of file spi-fsl-espi.c.

#define CSMODE_DIV16   (1 << 28)

Definition at line 58 of file spi-fsl-espi.c.

#define CSMODE_INIT_VAL

Value:

(CSMODE_POL_1 | CSMODE_BEF(0) \
        | CSMODE_AFT(0) | CSMODE_CG(1))

Definition at line 68 of file spi-fsl-espi.c.

#define CSMODE_LEN

(

x

)

((x) << 16)

Definition at line 61 of file spi-fsl-espi.c.

#define CSMODE_PM

(

x

)

((x) << 24)

Definition at line 59 of file spi-fsl-espi.c.

#define CSMODE_POL_1   (1 << 20)

Definition at line 60 of file spi-fsl-espi.c.

#define CSMODE_REV   (1 << 29)

Definition at line 57 of file spi-fsl-espi.c.

#define SPCOM_CS

(

x

)

((x) << 30)

Definition at line 82 of file spi-fsl-espi.c.

#define SPCOM_TRANLEN

(

x

)

((x) << 0)

Definition at line 83 of file spi-fsl-espi.c.

#define SPCOM_TRANLEN_MAX   0xFFFF /* Max transaction length */

Definition at line 84 of file spi-fsl-espi.c.

#define SPIE_NE   0x00000200 /* Not empty */

Definition at line 72 of file spi-fsl-espi.c.

#define SPIE_NF   0x00000100 /* Not full */

Definition at line 73 of file spi-fsl-espi.c.

#define SPIE_RXCNT

(

reg

)

((reg >> 24) & 0x3F)

Definition at line 78 of file spi-fsl-espi.c.

#define SPIE_TXCNT

(

reg

)

((reg >> 16) & 0x3F)

Definition at line 79 of file spi-fsl-espi.c.

#define SPIM_NE   0x00000200 /* Not empty */

Definition at line 76 of file spi-fsl-espi.c.

#define SPIM_NF   0x00000100 /* Not full */

Definition at line 77 of file spi-fsl-espi.c.

#define SPMODE_ENABLE   (1 << 31)

Definition at line 49 of file spi-fsl-espi.c.

#define SPMODE_INIT_VAL   (SPMODE_TXTHR(4) | SPMODE_RXTHR(3))

Definition at line 67 of file spi-fsl-espi.c.

#define SPMODE_LOOP   (1 << 30)

Definition at line 50 of file spi-fsl-espi.c.

#define SPMODE_RXTHR

(

x

)

((x) << 0)

Definition at line 52 of file spi-fsl-espi.c.

#define SPMODE_TXTHR

(

x

)

((x) << 8)

Definition at line 51 of file spi-fsl-espi.c.

Function Documentation

void fsl_espi_cpu_irq	(	struct mpc8xxx_spi *	mspi,
		u32	events
	)

Definition at line 507 of file spi-fsl-espi.c.

MODULE_AUTHOR

(

"Mingkai Hu"

)

MODULE_DESCRIPTION

(

"Enhanced Freescale SPI Driver"

)

MODULE_DEVICE_TABLE	(	of	,
		of_fsl_espi_match
	)

MODULE_LICENSE

(

"GPL"

)

module_platform_driver

(

fsl_espi_driver

)