tpm@acpi: Require only one locality's worth of register space.

We don't actually use the registers for the other localities, and
some older TPMs only have the first locality exposed via ACPI.

Use acpi_compatible_match() / acpi_compatible_lookup().

Match PNP0C31 as a TPM 1.2 device. Works on my ThinkPad X260, and
eliminates the last of the devices that attach to "isa".

branches: 1.11.8;
Provide a better abstraction for the TPM interface. Report it in the ioctl.

Add suspend support for TPM 2.0 chips. Check the TPM response also for 1.2
chips. Unfortunately I cannot really test this change since ACPI suspend
does not work on any of my laptops.

Improvements in tpm(4):
- Remove interrupt support, do polling only, avoids unnecessary trouble.
- Simplify a few things.
- Fix the suspend function, the SaveState command is 0x98, not 0x9C.
- Make the driver MP-safe.
- Sync the man page with reality.

branches: 1.8.2;
Revamp the TPM driver

* Fix several bugs, and clean up.
* Drop the "legacy" interface, it relied on an undocumented global
variable that was never initialized. It likely had never been tested
either, so good riddance.
* Add support for TPM 2.0 chips via ACPI. For these we use the TIS1.2
interface, same as TPM 1.2.
* Provide an ioctl to fetch TPM information from the driver.

Tested on a Lenovo desktop with ACPI-TPM2.0, an HP laptop ACPI-TPM2.0, a
Dell laptop with ISA-TPM1.2.

make compile on 64-bit archs after acpi_mem ar_length was changed
from uint32_t to bus_size_t in rev. 1.77 of acpivar.h

branches: 1.6.2; 1.6.4;
notyet an unused variable.

Kill some more extern struct cfdriver declarations.

Down with externs in .c!

Some {} are missing. The behavior is thus wrong: the code always jumps to
out1.

Spotted by my code scanner.

ok christos@

branches: 1.3.4; 1.3.6; 1.3.10; 1.3.14;
make it never match for now.

make it handle legacy devices too, although the ones in the table are not.

add a tpm driver from bsssd.sourceforge.net

Use acpi_compatible_match() / acpi_compatible_lookup().

Match PNP0C31 as a TPM 1.2 device. Works on my ThinkPad X260, and
eliminates the last of the devices that attach to "isa".

Provide a better abstraction for the TPM interface. Report it in the ioctl.

Add suspend support for TPM 2.0 chips. Check the TPM response also for 1.2
chips. Unfortunately I cannot really test this change since ACPI suspend
does not work on any of my laptops.

Improvements in tpm(4):
- Remove interrupt support, do polling only, avoids unnecessary trouble.
- Simplify a few things.
- Fix the suspend function, the SaveState command is 0x98, not 0x9C.
- Make the driver MP-safe.
- Sync the man page with reality.

branches: 1.8.2;
Revamp the TPM driver

* Fix several bugs, and clean up.
* Drop the "legacy" interface, it relied on an undocumented global
variable that was never initialized. It likely had never been tested
either, so good riddance.
* Add support for TPM 2.0 chips via ACPI. For these we use the TIS1.2
interface, same as TPM 1.2.
* Provide an ioctl to fetch TPM information from the driver.

Tested on a Lenovo desktop with ACPI-TPM2.0, an HP laptop ACPI-TPM2.0, a
Dell laptop with ISA-TPM1.2.

make compile on 64-bit archs after acpi_mem ar_length was changed
from uint32_t to bus_size_t in rev. 1.77 of acpivar.h

branches: 1.6.2; 1.6.4;
notyet an unused variable.

Kill some more extern struct cfdriver declarations.

Down with externs in .c!

Some {} are missing. The behavior is thus wrong: the code always jumps to
out1.

Spotted by my code scanner.

ok christos@

branches: 1.3.4; 1.3.6; 1.3.10; 1.3.14;
make it never match for now.

make it handle legacy devices too, although the ones in the table are not.

add a tpm driver from bsssd.sourceforge.net

Match PNP0C31 as a TPM 1.2 device. Works on my ThinkPad X260, and
eliminates the last of the devices that attach to "isa".

Provide a better abstraction for the TPM interface. Report it in the ioctl.

Add suspend support for TPM 2.0 chips. Check the TPM response also for 1.2
chips. Unfortunately I cannot really test this change since ACPI suspend
does not work on any of my laptops.

Improvements in tpm(4):
- Remove interrupt support, do polling only, avoids unnecessary trouble.
- Simplify a few things.
- Fix the suspend function, the SaveState command is 0x98, not 0x9C.
- Make the driver MP-safe.
- Sync the man page with reality.

branches: 1.8.2;
Revamp the TPM driver

* Fix several bugs, and clean up.
* Drop the "legacy" interface, it relied on an undocumented global
variable that was never initialized. It likely had never been tested
either, so good riddance.
* Add support for TPM 2.0 chips via ACPI. For these we use the TIS1.2
interface, same as TPM 1.2.
* Provide an ioctl to fetch TPM information from the driver.

Tested on a Lenovo desktop with ACPI-TPM2.0, an HP laptop ACPI-TPM2.0, a
Dell laptop with ISA-TPM1.2.

make compile on 64-bit archs after acpi_mem ar_length was changed
from uint32_t to bus_size_t in rev. 1.77 of acpivar.h

branches: 1.6.2; 1.6.4;
notyet an unused variable.

Kill some more extern struct cfdriver declarations.

Down with externs in .c!

Some {} are missing. The behavior is thus wrong: the code always jumps to
out1.

Spotted by my code scanner.

ok christos@

branches: 1.3.4; 1.3.6; 1.3.10; 1.3.14;
make it never match for now.

make it handle legacy devices too, although the ones in the table are not.

add a tpm driver from bsssd.sourceforge.net

Provide a better abstraction for the TPM interface. Report it in the ioctl.

Add suspend support for TPM 2.0 chips. Check the TPM response also for 1.2
chips. Unfortunately I cannot really test this change since ACPI suspend
does not work on any of my laptops.

Improvements in tpm(4):
- Remove interrupt support, do polling only, avoids unnecessary trouble.
- Simplify a few things.
- Fix the suspend function, the SaveState command is 0x98, not 0x9C.
- Make the driver MP-safe.
- Sync the man page with reality.

Revamp the TPM driver

* Fix several bugs, and clean up.
* Drop the "legacy" interface, it relied on an undocumented global
variable that was never initialized. It likely had never been tested
either, so good riddance.
* Add support for TPM 2.0 chips via ACPI. For these we use the TIS1.2
interface, same as TPM 1.2.
* Provide an ioctl to fetch TPM information from the driver.

Tested on a Lenovo desktop with ACPI-TPM2.0, an HP laptop ACPI-TPM2.0, a
Dell laptop with ISA-TPM1.2.

make compile on 64-bit archs after acpi_mem ar_length was changed
from uint32_t to bus_size_t in rev. 1.77 of acpivar.h

branches: 1.6.2; 1.6.4;
notyet an unused variable.

Kill some more extern struct cfdriver declarations.

Down with externs in .c!

Some {} are missing. The behavior is thus wrong: the code always jumps to
out1.

Spotted by my code scanner.

ok christos@

branches: 1.3.4; 1.3.6; 1.3.10; 1.3.14;
make it never match for now.

make it handle legacy devices too, although the ones in the table are not.

add a tpm driver from bsssd.sourceforge.net

Add suspend support for TPM 2.0 chips. Check the TPM response also for 1.2
chips. Unfortunately I cannot really test this change since ACPI suspend
does not work on any of my laptops.

Improvements in tpm(4):
- Remove interrupt support, do polling only, avoids unnecessary trouble.
- Simplify a few things.
- Fix the suspend function, the SaveState command is 0x98, not 0x9C.
- Make the driver MP-safe.
- Sync the man page with reality.

Revamp the TPM driver

* Fix several bugs, and clean up.
* Drop the "legacy" interface, it relied on an undocumented global
variable that was never initialized. It likely had never been tested
either, so good riddance.
* Add support for TPM 2.0 chips via ACPI. For these we use the TIS1.2
interface, same as TPM 1.2.
* Provide an ioctl to fetch TPM information from the driver.

Tested on a Lenovo desktop with ACPI-TPM2.0, an HP laptop ACPI-TPM2.0, a
Dell laptop with ISA-TPM1.2.

make compile on 64-bit archs after acpi_mem ar_length was changed
from uint32_t to bus_size_t in rev. 1.77 of acpivar.h

branches: 1.6.2; 1.6.4;
notyet an unused variable.

Kill some more extern struct cfdriver declarations.

Down with externs in .c!

Some {} are missing. The behavior is thus wrong: the code always jumps to
out1.

Spotted by my code scanner.

ok christos@

branches: 1.3.4; 1.3.6; 1.3.10; 1.3.14;
make it never match for now.

make it handle legacy devices too, although the ones in the table are not.

add a tpm driver from bsssd.sourceforge.net

Revamp the TPM driver

* Fix several bugs, and clean up.
* Drop the "legacy" interface, it relied on an undocumented global
variable that was never initialized. It likely had never been tested
either, so good riddance.
* Add support for TPM 2.0 chips via ACPI. For these we use the TIS1.2
interface, same as TPM 1.2.
* Provide an ioctl to fetch TPM information from the driver.

Tested on a Lenovo desktop with ACPI-TPM2.0, an HP laptop ACPI-TPM2.0, a
Dell laptop with ISA-TPM1.2.

make compile on 64-bit archs after acpi_mem ar_length was changed
from uint32_t to bus_size_t in rev. 1.77 of acpivar.h

branches: 1.6.2; 1.6.4;
notyet an unused variable.

Kill some more extern struct cfdriver declarations.

Down with externs in .c!

Some {} are missing. The behavior is thus wrong: the code always jumps to
out1.

Spotted by my code scanner.

ok christos@

branches: 1.3.4; 1.3.6; 1.3.10; 1.3.14;
make it never match for now.

make it handle legacy devices too, although the ones in the table are not.

add a tpm driver from bsssd.sourceforge.net

make compile on 64-bit archs after acpi_mem ar_length was changed
from uint32_t to bus_size_t in rev. 1.77 of acpivar.h

branches: 1.6.2;
notyet an unused variable.

Kill some more extern struct cfdriver declarations.

Down with externs in .c!

Some {} are missing. The behavior is thus wrong: the code always jumps to
out1.

Spotted by my code scanner.

ok christos@

branches: 1.3.4; 1.3.6; 1.3.10; 1.3.14;
make it never match for now.

make it handle legacy devices too, although the ones in the table are not.

add a tpm driver from bsssd.sourceforge.net