tpm_tis.c File Reference

#include <linux/init.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/pnp.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/wait.h>
#include <linux/acpi.h>
#include <linux/freezer.h>
#include "tpm.h"

Go to the source code of this file.

Macros
#define	TPM_ACCESS(l)   (0x0000 | ((l) << 12))
#define	TPM_INT_ENABLE(l)   (0x0008 | ((l) << 12))
#define	TPM_INT_VECTOR(l)   (0x000C | ((l) << 12))
#define	TPM_INT_STATUS(l)   (0x0010 | ((l) << 12))
#define	TPM_INTF_CAPS(l)   (0x0014 | ((l) << 12))
#define	TPM_STS(l)   (0x0018 | ((l) << 12))
#define	TPM_DATA_FIFO(l)   (0x0024 | ((l) << 12))
#define	TPM_DID_VID(l)   (0x0F00 | ((l) << 12))
#define	TPM_RID(l)   (0x0F04 | ((l) << 12))

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_int_flags {   TPM_GLOBAL_INT_ENABLE = 0x80000000, TPM_INTF_BURST_COUNT_STATIC = 0x100, TPM_INTF_CMD_READY_INT = 0x080, TPM_INTF_INT_EDGE_FALLING = 0x040,   TPM_INTF_INT_EDGE_RISING = 0x020, TPM_INTF_INT_LEVEL_LOW = 0x010, TPM_INTF_INT_LEVEL_HIGH = 0x008, TPM_INTF_LOCALITY_CHANGE_INT = 0x004,   TPM_INTF_STS_VALID_INT = 0x002, TPM_INTF_DATA_AVAIL_INT = 0x001 }
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_param (itpm, bool, 0444)
	MODULE_PARM_DESC (itpm,"Force iTPM workarounds (found on some Lenovo laptops)")
	module_param (interrupts, bool, 0444)
	MODULE_PARM_DESC (interrupts,"Enable interrupts")
	module_param (force, bool, 0444)
	MODULE_PARM_DESC (force,"Force device probe rather than using ACPI entry")
	module_init (init_tis)
	module_exit (cleanup_tis)
	MODULE_AUTHOR ("Leendert van Doorn ([email protected])")
	MODULE_DESCRIPTION ("TPM Driver")
	MODULE_VERSION ("2.0")
	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define TPM_ACCESS

(

l

)

(0x0000 | ((l) << 12))

Definition at line 67 of file tpm_tis.c.

#define TPM_DATA_FIFO

(

l

)

(0x0024 | ((l) << 12))

Definition at line 73 of file tpm_tis.c.

#define TPM_DID_VID

(

l

)

(0x0F00 | ((l) << 12))

Definition at line 75 of file tpm_tis.c.

#define TPM_INT_ENABLE

(

l

)

(0x0008 | ((l) << 12))

Definition at line 68 of file tpm_tis.c.

#define TPM_INT_STATUS

(

l

)

(0x0010 | ((l) << 12))

Definition at line 70 of file tpm_tis.c.

#define TPM_INT_VECTOR

(

l

)

(0x000C | ((l) << 12))

Definition at line 69 of file tpm_tis.c.

#define TPM_INTF_CAPS

(

l

)

(0x0014 | ((l) << 12))

Definition at line 71 of file tpm_tis.c.

#define TPM_RID

(

l

)

(0x0F04 | ((l) << 12))

Definition at line 76 of file tpm_tis.c.

#define TPM_STS

(

l

)

(0x0018 | ((l) << 12))

Definition at line 72 of file tpm_tis.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 32 of file tpm_tis.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 60 of file tpm_tis.c.

enum tis_int_flags

Enumerator:

TPM_GLOBAL_INT_ENABLE
TPM_INTF_BURST_COUNT_STATIC
TPM_INTF_CMD_READY_INT
TPM_INTF_INT_EDGE_FALLING
TPM_INTF_INT_EDGE_RISING
TPM_INTF_INT_LEVEL_LOW
TPM_INTF_INT_LEVEL_HIGH
TPM_INTF_LOCALITY_CHANGE_INT
TPM_INTF_STS_VALID_INT
TPM_INTF_DATA_AVAIL_INT

Definition at line 47 of file tpm_tis.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 39 of file tpm_tis.c.

Function Documentation

MODULE_AUTHOR

(

"Leendert van Doorn ([email protected])"

)

MODULE_DESCRIPTION

(

"TPM Driver"

)

module_exit

(

cleanup_tis

)

module_init

(

init_tis

)

MODULE_LICENSE

(

"GPL"

)

module_param	(	itpm	,
		bool	,
		0444
	)

module_param	(	interrupts	,
		bool	,
		0444
	)

module_param	(	force	,
		bool	,
		0444
	)

MODULE_PARM_DESC	(	itpm	,
		"Force iTPM workarounds (found on some Lenovo laptops)"
	)

MODULE_PARM_DESC	(	interrupts	,
		"Enable interrupts"
	)

MODULE_PARM_DESC	(	force	,
		"Force device probe rather than using ACPI entry"
	)

MODULE_VERSION

(

"2.0"

)