i2c-pmcmsp.c File Reference

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <linux/completion.h>
#include <linux/mutex.h>
#include <linux/delay.h>
#include <linux/io.h>

Go to the source code of this file.

Data Structures
struct	pmcmsptwi_clock
struct	pmcmsptwi_clockcfg
struct	pmcmsptwi_cfg
struct	pmcmsptwi_cmd
struct	pmcmsptwi_data

Macros
#define	DRV_NAME   "pmcmsptwi"
#define	MSP_TWI_SF_CLK_REG_OFFSET   0x00
#define	MSP_TWI_HS_CLK_REG_OFFSET   0x04
#define	MSP_TWI_CFG_REG_OFFSET   0x08
#define	MSP_TWI_CMD_REG_OFFSET   0x0c
#define	MSP_TWI_ADD_REG_OFFSET   0x10
#define	MSP_TWI_DAT_0_REG_OFFSET   0x14
#define	MSP_TWI_DAT_1_REG_OFFSET   0x18
#define	MSP_TWI_INT_STS_REG_OFFSET   0x1c
#define	MSP_TWI_INT_MSK_REG_OFFSET   0x20
#define	MSP_TWI_BUSY_REG_OFFSET   0x24
#define	MSP_TWI_INT_STS_DONE   (1 << 0)
#define	MSP_TWI_INT_STS_LOST_ARBITRATION   (1 << 1)
#define	MSP_TWI_INT_STS_NO_RESPONSE   (1 << 2)
#define	MSP_TWI_INT_STS_DATA_COLLISION   (1 << 3)
#define	MSP_TWI_INT_STS_BUSY   (1 << 4)
#define	MSP_TWI_INT_STS_ALL   0x1f
#define	MSP_MAX_BYTES_PER_RW   8
#define	MSP_MAX_POLL   5
#define	MSP_POLL_DELAY   10
#define	MSP_IRQ_TIMEOUT   (MSP_MAX_POLL * MSP_POLL_DELAY)
#define	pmcmsptwi_readl   __raw_readl
#define	pmcmsptwi_writel   __raw_writel

Enumerations
enum	pmcmsptwi_cmd_type { MSP_TWI_CMD_WRITE = 0, MSP_TWI_CMD_READ = 1, MSP_TWI_CMD_WRITE_READ = 2 }
enum	pmcmsptwi_xfer_result {   MSP_TWI_XFER_OK = 0, MSP_TWI_XFER_TIMEOUT, MSP_TWI_XFER_BUSY, MSP_TWI_XFER_DATA_COLLISION,   MSP_TWI_XFER_NO_RESPONSE, MSP_TWI_XFER_LOST_ARBITRATION }

Functions
	module_platform_driver (pmcmsptwi_driver)
	MODULE_DESCRIPTION ("PMC MSP TWI/SMBus/I2C driver")
	MODULE_LICENSE ("GPL")
	MODULE_ALIAS ("platform:"DRV_NAME)

Macro Definition Documentation

#define DRV_NAME   "pmcmsptwi"

Definition at line 38 of file i2c-pmcmsp.c.

#define MSP_IRQ_TIMEOUT   (MSP_MAX_POLL * MSP_POLL_DELAY)

Definition at line 61 of file i2c-pmcmsp.c.

#define MSP_MAX_BYTES_PER_RW   8

Definition at line 58 of file i2c-pmcmsp.c.

#define MSP_MAX_POLL   5

Definition at line 59 of file i2c-pmcmsp.c.

#define MSP_POLL_DELAY   10

Definition at line 60 of file i2c-pmcmsp.c.

#define MSP_TWI_ADD_REG_OFFSET   0x10

Definition at line 44 of file i2c-pmcmsp.c.

#define MSP_TWI_BUSY_REG_OFFSET   0x24

Definition at line 49 of file i2c-pmcmsp.c.

#define MSP_TWI_CFG_REG_OFFSET   0x08

Definition at line 42 of file i2c-pmcmsp.c.

#define MSP_TWI_CMD_REG_OFFSET   0x0c

Definition at line 43 of file i2c-pmcmsp.c.

#define MSP_TWI_DAT_0_REG_OFFSET   0x14

Definition at line 45 of file i2c-pmcmsp.c.

#define MSP_TWI_DAT_1_REG_OFFSET   0x18

Definition at line 46 of file i2c-pmcmsp.c.

#define MSP_TWI_HS_CLK_REG_OFFSET   0x04

Definition at line 41 of file i2c-pmcmsp.c.

#define MSP_TWI_INT_MSK_REG_OFFSET   0x20

Definition at line 48 of file i2c-pmcmsp.c.

#define MSP_TWI_INT_STS_ALL   0x1f

Definition at line 56 of file i2c-pmcmsp.c.

#define MSP_TWI_INT_STS_BUSY   (1 << 4)

Definition at line 55 of file i2c-pmcmsp.c.

#define MSP_TWI_INT_STS_DATA_COLLISION   (1 << 3)

Definition at line 54 of file i2c-pmcmsp.c.

#define MSP_TWI_INT_STS_DONE   (1 << 0)

Definition at line 51 of file i2c-pmcmsp.c.

#define MSP_TWI_INT_STS_LOST_ARBITRATION   (1 << 1)

Definition at line 52 of file i2c-pmcmsp.c.

#define MSP_TWI_INT_STS_NO_RESPONSE   (1 << 2)

Definition at line 53 of file i2c-pmcmsp.c.

#define MSP_TWI_INT_STS_REG_OFFSET   0x1c

Definition at line 47 of file i2c-pmcmsp.c.

#define MSP_TWI_SF_CLK_REG_OFFSET   0x00

Definition at line 40 of file i2c-pmcmsp.c.

#define pmcmsptwi_readl   __raw_readl

Definition at line 64 of file i2c-pmcmsp.c.

#define pmcmsptwi_writel   __raw_writel

Definition at line 65 of file i2c-pmcmsp.c.

Enumeration Type Documentation

enum pmcmsptwi_cmd_type

Enumerator:

MSP_TWI_CMD_WRITE
MSP_TWI_CMD_READ
MSP_TWI_CMD_WRITE_READ

Definition at line 68 of file i2c-pmcmsp.c.

enum pmcmsptwi_xfer_result

Enumerator:

MSP_TWI_XFER_OK
MSP_TWI_XFER_TIMEOUT
MSP_TWI_XFER_BUSY
MSP_TWI_XFER_DATA_COLLISION
MSP_TWI_XFER_NO_RESPONSE
MSP_TWI_XFER_LOST_ARBITRATION

Definition at line 75 of file i2c-pmcmsp.c.

Function Documentation

MODULE_ALIAS

(

"platform:"

DRV_NAME

)

MODULE_DESCRIPTION

(

"PMC MSP TWI/SMBus/I2C driver"

)

MODULE_LICENSE

(

"GPL"

)

module_platform_driver

(

pmcmsptwi_driver

)