spi-pxa2xx.c File Reference

#include <linux/init.h>
#include <linux/module.h>
#include <linux/device.h>
#include <linux/ioport.h>
#include <linux/errno.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/spi/pxa2xx_spi.h>
#include <linux/dma-mapping.h>
#include <linux/spi/spi.h>
#include <linux/workqueue.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/slab.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/delay.h>

Go to the source code of this file.

Data Structures
struct	driver_data
struct	chip_data

Macros
#define	MAX_BUSES   3
#define	TIMOUT_DFLT   1000
#define	DMA_INT_MASK   (DCSR_ENDINTR | DCSR_STARTINTR | DCSR_BUSERR)
#define	RESET_DMA_CHANNEL   (DCSR_NODESC | DMA_INT_MASK)
#define	IS_DMA_ALIGNED(x)   ((((u32)(x)) & 0x07) == 0)
#define	MAX_DMA_LEN   8191
#define	DMA_ALIGNMENT   8
#define	SSCR1_CHANGE_MASK
#define	DEFINE_SSP_REG(reg, off)
#define	START_STATE   ((void*)0)
#define	RUNNING_STATE   ((void*)1)
#define	DONE_STATE   ((void*)2)
#define	ERROR_STATE   ((void*)-1)
#define	QUEUE_RUNNING   0
#define	QUEUE_STOPPED   1

Functions
	MODULE_AUTHOR ("Stephen Street")
	MODULE_DESCRIPTION ("PXA2xx SSP SPI Controller")
	MODULE_LICENSE ("GPL")
	MODULE_ALIAS ("platform:pxa2xx-spi")
	subsys_initcall (pxa2xx_spi_init)
	module_exit (pxa2xx_spi_exit)

Macro Definition Documentation

#define DEFINE_SSP_REG	(		reg,
			off
	)

Value:

static inline u32 read_##reg(void const __iomem *p) \
{ return __raw_readl(p + (off)); } \
\
static inline void write_##reg(u32 v, void __iomem *p) \
{ __raw_writel(v, p + (off)); }

Definition at line 68 of file spi-pxa2xx.c.

#define DMA_ALIGNMENT   8

Definition at line 52 of file spi-pxa2xx.c.

#define DMA_INT_MASK   (DCSR_ENDINTR | DCSR_STARTINTR | DCSR_BUSERR)

Definition at line 48 of file spi-pxa2xx.c.

#define DONE_STATE   ((void*)2)

Definition at line 85 of file spi-pxa2xx.c.

#define ERROR_STATE   ((void*)-1)

Definition at line 86 of file spi-pxa2xx.c.

#define IS_DMA_ALIGNED

(

x

)

((((u32)(x)) & 0x07) == 0)

Definition at line 50 of file spi-pxa2xx.c.

#define MAX_BUSES   3

Definition at line 44 of file spi-pxa2xx.c.

#define MAX_DMA_LEN   8191

Definition at line 51 of file spi-pxa2xx.c.

#define QUEUE_RUNNING   0

Definition at line 88 of file spi-pxa2xx.c.

#define QUEUE_STOPPED   1

Definition at line 89 of file spi-pxa2xx.c.

#define RESET_DMA_CHANNEL   (DCSR_NODESC | DMA_INT_MASK)

Definition at line 49 of file spi-pxa2xx.c.

#define RUNNING_STATE   ((void*)1)

Definition at line 84 of file spi-pxa2xx.c.

#define SSCR1_CHANGE_MASK

Value:

(SSCR1_TTELP | SSCR1_TTE | SSCR1_SCFR \
                | SSCR1_ECRA | SSCR1_ECRB | SSCR1_SCLKDIR \
                | SSCR1_SFRMDIR | SSCR1_RWOT | SSCR1_TRAIL \
                | SSCR1_IFS | SSCR1_STRF | SSCR1_EFWR \
                | SSCR1_RFT | SSCR1_TFT | SSCR1_MWDS \
                | SSCR1_SPH | SSCR1_SPO | SSCR1_LBM)

Definition at line 61 of file spi-pxa2xx.c.

#define START_STATE   ((void*)0)

Definition at line 83 of file spi-pxa2xx.c.

#define TIMOUT_DFLT   1000

Definition at line 46 of file spi-pxa2xx.c.

Function Documentation

MODULE_ALIAS

(

"platform:pxa2xx-spi"

)

MODULE_AUTHOR

(

"Stephen Street"

)

MODULE_DESCRIPTION

(

"PXA2xx SSP SPI Controller"

)

module_exit

(

pxa2xx_spi_exit

)

MODULE_LICENSE

(

"GPL"

)

subsys_initcall

(

pxa2xx_spi_init

)