tpm_i2c_infineon.c File Reference

#include <linux/init.h>
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/wait.h>
#include "tpm.h"

Go to the source code of this file.

Data Structures
struct	tpm_inf_dev

Macros
#define	TPM_BUFSIZE   1260
#define	MAX_COUNT   3
#define	SLEEP_DURATION_LOW   55
#define	SLEEP_DURATION_HI   65
#define	MAX_COUNT_LONG   50
#define	SLEEP_DURATION_LONG_LOW   200
#define	SLEEP_DURATION_LONG_HI   220
#define	SLEEP_DURATION_RESET_LOW   2400
#define	SLEEP_DURATION_RESET_HI   2600
#define	TPM_TIMEOUT_US_LOW   (TPM_TIMEOUT * 1000)
#define	TPM_TIMEOUT_US_HI   (TPM_TIMEOUT_US_LOW + 2000)
#define	TPM_TIS_I2C_DID_VID   0x000b15d1L
#define	TPM_ACCESS(l)   (0x0000 | ((l) << 4))
#define	TPM_STS(l)   (0x0001 | ((l) << 4))
#define	TPM_DATA_FIFO(l)   (0x0005 | ((l) << 4))
#define	TPM_DID_VID(l)   (0x0006 | ((l) << 4))

Enumerations
enum	tis_access {   TPM_ACCESS_VALID = 0x80, TPM_ACCESS_ACTIVE_LOCALITY = 0x20, TPM_ACCESS_REQUEST_PENDING = 0x04, TPM_ACCESS_REQUEST_USE = 0x02,   TPM_ACCESS_VALID = 0x80, TPM_ACCESS_ACTIVE_LOCALITY = 0x20, TPM_ACCESS_REQUEST_PENDING = 0x04, TPM_ACCESS_REQUEST_USE = 0x02 }
enum	tis_status {   TPM_STS_VALID = 0x80, TPM_STS_COMMAND_READY = 0x40, TPM_STS_GO = 0x20, TPM_STS_DATA_AVAIL = 0x10,   TPM_STS_DATA_EXPECT = 0x08, TPM_STS_VALID = 0x80, TPM_STS_COMMAND_READY = 0x40, TPM_STS_GO = 0x20,   TPM_STS_DATA_AVAIL = 0x10, TPM_STS_DATA_EXPECT = 0x08 }
enum	tis_defaults {   TIS_SHORT_TIMEOUT = 750, TIS_LONG_TIMEOUT = 2000, TIS_MEM_BASE = 0xFED40000, TIS_MEM_LEN = 0x5000,   TIS_SHORT_TIMEOUT = 750, TIS_LONG_TIMEOUT = 2000 }

Functions
	MODULE_DEVICE_TABLE (i2c, tpm_tis_i2c_table)
	module_i2c_driver (tpm_tis_i2c_driver)
	MODULE_AUTHOR ("Peter Huewe <[email protected]>")
	MODULE_DESCRIPTION ("TPM TIS I2C Infineon Driver")
	MODULE_VERSION ("2.1.5")
	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define MAX_COUNT   3

Definition at line 35 of file tpm_i2c_infineon.c.

#define MAX_COUNT_LONG   50

Definition at line 45 of file tpm_i2c_infineon.c.

#define SLEEP_DURATION_HI   65

Definition at line 38 of file tpm_i2c_infineon.c.

#define SLEEP_DURATION_LONG_HI   220

Definition at line 48 of file tpm_i2c_infineon.c.

#define SLEEP_DURATION_LONG_LOW   200

Definition at line 47 of file tpm_i2c_infineon.c.

#define SLEEP_DURATION_LOW   55

Definition at line 37 of file tpm_i2c_infineon.c.

#define SLEEP_DURATION_RESET_HI   2600

Definition at line 52 of file tpm_i2c_infineon.c.

#define SLEEP_DURATION_RESET_LOW   2400

Definition at line 51 of file tpm_i2c_infineon.c.

#define TPM_ACCESS

(

l

)

(0x0000 | ((l) << 4))

Definition at line 225 of file tpm_i2c_infineon.c.

#define TPM_BUFSIZE   1260

Definition at line 32 of file tpm_i2c_infineon.c.

#define TPM_DATA_FIFO

(

l

)

(0x0005 | ((l) << 4))

Definition at line 227 of file tpm_i2c_infineon.c.

#define TPM_DID_VID

(

l

)

(0x0006 | ((l) << 4))

Definition at line 228 of file tpm_i2c_infineon.c.

#define TPM_STS

(

l

)

(0x0001 | ((l) << 4))

Definition at line 226 of file tpm_i2c_infineon.c.

#define TPM_TIMEOUT_US_HI   (TPM_TIMEOUT_US_LOW + 2000)

Definition at line 56 of file tpm_i2c_infineon.c.

#define TPM_TIMEOUT_US_LOW   (TPM_TIMEOUT * 1000)

Definition at line 55 of file tpm_i2c_infineon.c.

#define TPM_TIS_I2C_DID_VID   0x000b15d1L

Definition at line 59 of file tpm_i2c_infineon.c.

Enumeration Type Documentation

enum tis_access

Enumerator:

TPM_ACCESS_VALID
TPM_ACCESS_ACTIVE_LOCALITY
TPM_ACCESS_REQUEST_PENDING
TPM_ACCESS_REQUEST_USE
TPM_ACCESS_VALID
TPM_ACCESS_ACTIVE_LOCALITY
TPM_ACCESS_REQUEST_PENDING
TPM_ACCESS_REQUEST_USE

Definition at line 205 of file tpm_i2c_infineon.c.

enum tis_defaults

Enumerator:

TIS_SHORT_TIMEOUT
TIS_LONG_TIMEOUT
TIS_MEM_BASE
TIS_MEM_LEN
TIS_SHORT_TIMEOUT
TIS_LONG_TIMEOUT

Definition at line 220 of file tpm_i2c_infineon.c.

enum tis_status

Enumerator:

TPM_STS_VALID
TPM_STS_COMMAND_READY
TPM_STS_GO
TPM_STS_DATA_AVAIL
TPM_STS_DATA_EXPECT
TPM_STS_VALID
TPM_STS_COMMAND_READY
TPM_STS_GO
TPM_STS_DATA_AVAIL
TPM_STS_DATA_EXPECT

Definition at line 212 of file tpm_i2c_infineon.c.

Function Documentation

MODULE_AUTHOR

(

"Peter Huewe <[email protected]>"

)

MODULE_DESCRIPTION

(

"TPM TIS I2C Infineon Driver"

)

MODULE_DEVICE_TABLE	(	i2c	,
		tpm_tis_i2c_table
	)

module_i2c_driver

(

tpm_tis_i2c_driver

)

MODULE_LICENSE

(

"GPL"

)

MODULE_VERSION

(

"2.1.5"

)