#include <linux/module.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/spi/spi_bitbang.h>
#include <linux/spi/xilinx_spi.h>
#include <linux/io.h>

Data Structures
struct	xilinx_spi

Macros
#define	XILINX_SPI_NAME "xilinx_spi"

#define	XSPI_CR_OFFSET 0x60 /* Control Register */

#define	XSPI_CR_ENABLE 0x02

#define	XSPI_CR_MASTER_MODE 0x04

#define	XSPI_CR_CPOL 0x08

#define	XSPI_CR_CPHA 0x10

#define	XSPI_CR_MODE_MASK (XSPI_CR_CPHA \| XSPI_CR_CPOL)

#define	XSPI_CR_TXFIFO_RESET 0x20

#define	XSPI_CR_RXFIFO_RESET 0x40

#define	XSPI_CR_MANUAL_SSELECT 0x80

#define	XSPI_CR_TRANS_INHIBIT 0x100

#define	XSPI_CR_LSB_FIRST 0x200

#define	XSPI_SR_OFFSET 0x64 /* Status Register */

#define	XSPI_SR_RX_EMPTY_MASK 0x01 /* Receive FIFO is empty */

#define	XSPI_SR_RX_FULL_MASK 0x02 /* Receive FIFO is full */

#define	XSPI_SR_TX_EMPTY_MASK 0x04 /* Transmit FIFO is empty */

#define	XSPI_SR_TX_FULL_MASK 0x08 /* Transmit FIFO is full */

#define	XSPI_SR_MODE_FAULT_MASK 0x10 /* Mode fault error */

#define	XSPI_TXD_OFFSET 0x68 /* Data Transmit Register */

#define	XSPI_RXD_OFFSET 0x6c /* Data Receive Register */

#define	XSPI_SSR_OFFSET 0x70 /* 32-bit Slave Select Register */

#define	XIPIF_V123B_DGIER_OFFSET 0x1c /* IPIF global int enable reg */

#define	XIPIF_V123B_GINTR_ENABLE 0x80000000

#define	XIPIF_V123B_IISR_OFFSET 0x20 /* IPIF interrupt status reg */

#define	XIPIF_V123B_IIER_OFFSET 0x28 /* IPIF interrupt enable reg */

#define	XSPI_INTR_MODE_FAULT 0x01 /* Mode fault error */

#define	XSPI_INTR_SLAVE_MODE_FAULT

#define	XSPI_INTR_TX_EMPTY 0x04 /* TxFIFO is empty */

#define	XSPI_INTR_TX_UNDERRUN 0x08 /* TxFIFO was underrun */

#define	XSPI_INTR_RX_FULL 0x10 /* RxFIFO is full */

#define	XSPI_INTR_RX_OVERRUN 0x20 /* RxFIFO was overrun */

#define	XSPI_INTR_TX_HALF_EMPTY 0x40 /* TxFIFO is half empty */

#define	XIPIF_V123B_RESETR_OFFSET 0x40 /* IPIF reset register */

#define	XIPIF_V123B_RESET_MASK 0x0a /* the value to write */

Functions
	MODULE_DEVICE_TABLE (of, xilinx_spi_of_match)

struct spi_master *	xilinx_spi_init (struct device dev, struct resource mem, u32 irq, s16 bus_num, int num_cs, int little_endian, int bits_per_word)

	EXPORT_SYMBOL (xilinx_spi_init)

void	xilinx_spi_deinit (struct spi_master *master)

	EXPORT_SYMBOL (xilinx_spi_deinit)

	MODULE_ALIAS ("platform:"XILINX_SPI_NAME)

	module_platform_driver (xilinx_spi_driver)

	MODULE_AUTHOR ("MontaVista Software, Inc. <source@mvista.com>")

	MODULE_DESCRIPTION ("Xilinx SPI driver")

	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define XILINX_SPI_NAME "xilinx_spi"

Definition at line 26 of file spi-xilinx.c.

#define XIPIF_V123B_DGIER_OFFSET 0x1c /* IPIF global int enable reg */

Definition at line 60 of file spi-xilinx.c.

#define XIPIF_V123B_GINTR_ENABLE 0x80000000

Definition at line 61 of file spi-xilinx.c.

#define XIPIF_V123B_IIER_OFFSET 0x28 /* IPIF interrupt enable reg */

Definition at line 64 of file spi-xilinx.c.

#define XIPIF_V123B_IISR_OFFSET 0x20 /* IPIF interrupt status reg */

Definition at line 63 of file spi-xilinx.c.

#define XIPIF_V123B_RESET_MASK 0x0a /* the value to write */

Definition at line 75 of file spi-xilinx.c.

#define XIPIF_V123B_RESETR_OFFSET 0x40 /* IPIF reset register */

Definition at line 74 of file spi-xilinx.c.

#define XSPI_CR_CPHA 0x10

Definition at line 36 of file spi-xilinx.c.

#define XSPI_CR_CPOL 0x08

Definition at line 35 of file spi-xilinx.c.

#define XSPI_CR_ENABLE 0x02

Definition at line 33 of file spi-xilinx.c.

#define XSPI_CR_LSB_FIRST 0x200

Definition at line 42 of file spi-xilinx.c.

#define XSPI_CR_MANUAL_SSELECT 0x80

Definition at line 40 of file spi-xilinx.c.

#define XSPI_CR_MASTER_MODE 0x04

Definition at line 34 of file spi-xilinx.c.

#define XSPI_CR_MODE_MASK (XSPI_CR_CPHA | XSPI_CR_CPOL)

Definition at line 37 of file spi-xilinx.c.

#define XSPI_CR_OFFSET 0x60 /* Control Register */

Definition at line 31 of file spi-xilinx.c.

#define XSPI_CR_RXFIFO_RESET 0x40

Definition at line 39 of file spi-xilinx.c.

#define XSPI_CR_TRANS_INHIBIT 0x100

Definition at line 41 of file spi-xilinx.c.

#define XSPI_CR_TXFIFO_RESET 0x20

Definition at line 38 of file spi-xilinx.c.

#define XSPI_INTR_MODE_FAULT 0x01 /* Mode fault error */

Definition at line 66 of file spi-xilinx.c.

#define XSPI_INTR_RX_FULL 0x10 /* RxFIFO is full */

Definition at line 70 of file spi-xilinx.c.

#define XSPI_INTR_RX_OVERRUN 0x20 /* RxFIFO was overrun */

Definition at line 71 of file spi-xilinx.c.

#define XSPI_INTR_SLAVE_MODE_FAULT

Value:

0x02 /* Selected as slave while

* disabled */

Definition at line 67 of file spi-xilinx.c.

#define XSPI_INTR_TX_EMPTY 0x04 /* TxFIFO is empty */

Definition at line 68 of file spi-xilinx.c.

#define XSPI_INTR_TX_HALF_EMPTY 0x40 /* TxFIFO is half empty */

Definition at line 72 of file spi-xilinx.c.

#define XSPI_INTR_TX_UNDERRUN 0x08 /* TxFIFO was underrun */

Definition at line 69 of file spi-xilinx.c.

#define XSPI_RXD_OFFSET 0x6c /* Data Receive Register */

Definition at line 53 of file spi-xilinx.c.

#define XSPI_SR_MODE_FAULT_MASK 0x10 /* Mode fault error */

Definition at line 50 of file spi-xilinx.c.

#define XSPI_SR_OFFSET 0x64 /* Status Register */

Definition at line 44 of file spi-xilinx.c.

#define XSPI_SR_RX_EMPTY_MASK 0x01 /* Receive FIFO is empty */

Definition at line 46 of file spi-xilinx.c.

#define XSPI_SR_RX_FULL_MASK 0x02 /* Receive FIFO is full */

Definition at line 47 of file spi-xilinx.c.

#define XSPI_SR_TX_EMPTY_MASK 0x04 /* Transmit FIFO is empty */

Definition at line 48 of file spi-xilinx.c.

#define XSPI_SR_TX_FULL_MASK 0x08 /* Transmit FIFO is full */

Definition at line 49 of file spi-xilinx.c.

#define XSPI_SSR_OFFSET 0x70 /* 32-bit Slave Select Register */

Definition at line 55 of file spi-xilinx.c.

#define XSPI_TXD_OFFSET 0x68 /* Data Transmit Register */

Definition at line 52 of file spi-xilinx.c.

Function Documentation

EXPORT_SYMBOL ( xilinx_spi_init )

EXPORT_SYMBOL ( xilinx_spi_deinit )

MODULE_ALIAS ( "platform:" XILINX_SPI_NAME )

MODULE_AUTHOR	(	"MontaVista	Software,
		Inc.< source @mvista.com >"
	)

MODULE_DESCRIPTION ( "Xilinx SPI driver" )

MODULE_DEVICE_TABLE	(	of	,
		xilinx_spi_of_match
	)

MODULE_LICENSE ( "GPL" )

module_platform_driver ( xilinx_spi_driver )

void xilinx_spi_deinit ( struct spi_master * master )

Definition at line 449 of file spi-xilinx.c.

struct spi_master* xilinx_spi_init	(	struct device *	dev,
		struct resource *	mem,
		u32	irq,
		s16	bus_num,
		int	num_cs,
		int	little_endian,
		int	bits_per_word
	)

read

Definition at line 360 of file spi-xilinx.c.

Data Structures

Macros

Functions

Macro Definition Documentation

Function Documentation