spi_io.h File Reference

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Detailed Description

SPI related definitions.

Author:

Andrew Roca Defines structures used by the SPI core but embedded within the PCI master structure.

#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/version.h>
#include <linux/module.h>
#include <linux/proc_fs.h>
#include <linux/delay.h>
#include <linux/pci.h>
#include <linux/list.h>
#include <linux/ioport.h>
#include <linux/serial.h>
#include <linux/interrupt.h>
#include <linux/string.h>
#include <linux/spinlock.h>
#include <linux/mtd/mtd.h>
#include <linux/crypto.h>
#include <asm/uaccess.h>
#include "axis_hardware.h"

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Data Structures
struct	spi_channel
	controls an individual spi channel More...
struct	spi_op
	structure submitted by SPI userland interface to SPI core code More...
Defines
#define	MAX_AXIS_SPI_DEVICES   4
#define	SPI_DATA_REGISTER_OFFSET   0x60
#define	SPI_CONTROL_REGISTER_1_OFFSET   (SPI_DATA_REGISTER_OFFSET+1)
#define	SPI_CONTROL_REGISTER_2_OFFSET   (SPI_DATA_REGISTER_OFFSET+2)
#define	SPI_ADDRESS_REGISTER_OFFSET   (SPI_DATA_REGISTER_OFFSET+3)
#define	SPI_ENABLE_BIT   (1<<7)
#define	SPI_ERROR_CLEAR_BIT   (1<<0)
#define	SPI_MASTER_ACTIVE   (1<<3)
#define	SPI_TX_REG_EMPTY   (1<<2)
#define	SPI_RX_REG_READY   (1<<1)
#define	SPI_OVERRUN   (1<<0)
#define	SPI_INTERRUPT_ENABLE   (1<<7)
#define	SPI_MASTER_MODE   (1<<6)
#define	SPI_LSB_FIRST   (1<<5)
Functions
void	init_spi (struct axis_pci_device_entry *device)
Variables
file_operations	spi_file_operations

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Define Documentation

#define MAX_AXIS_SPI_DEVICES   4

#define SPI_ADDRESS_REGISTER_OFFSET   (SPI_DATA_REGISTER_OFFSET+3)

#define SPI_CONTROL_REGISTER_1_OFFSET   (SPI_DATA_REGISTER_OFFSET+1)

#define SPI_CONTROL_REGISTER_2_OFFSET   (SPI_DATA_REGISTER_OFFSET+2)

#define SPI_DATA_REGISTER_OFFSET   0x60

#define SPI_ENABLE_BIT   (1<<7)

#define SPI_ERROR_CLEAR_BIT   (1<<0)

#define SPI_INTERRUPT_ENABLE   (1<<7)

#define SPI_LSB_FIRST   (1<<5)

#define SPI_MASTER_ACTIVE   (1<<3)

#define SPI_MASTER_MODE   (1<<6)

#define SPI_OVERRUN   (1<<0)

#define SPI_RX_REG_READY   (1<<1)

#define SPI_TX_REG_EMPTY   (1<<2)

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Function Documentation

void init_spi (  struct axis_pci_device_entry *  device  )

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Variable Documentation

struct file_operations spi_file_operations

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