security/tpm: make tis_probe() return tpm_family

Via an out parameter. This is needed to be able to dynamically pick TSS
implementation based on the information discovered on probing.

Change-Id: I5006e0cdfef76ff79ce9e1cf280fcd5515ae01b0
Ticket: https://ticket.coreboot.org/issues/433
Signed-off-by: Sergii Dmytruk <sergii.dmytruk@3mdeb.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69159
Reviewed-by: Martin L Roth <gaumless@gmail.com>
Reviewed-by: Jérémy Compostella <jeremy.compostella@intel.com>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Christian Walter <christian.walter@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/src/drivers/i2c/tpm/tpm.h b/src/drivers/i2c/tpm/tpm.h
index 628ad4dc69..46935e2495 100644
--- a/src/drivers/i2c/tpm/tpm.h
+++ b/src/drivers/i2c/tpm/tpm.h
@@ -12,6 +12,7 @@
 #ifndef __DRIVERS_TPM_SLB9635_I2C_TPM_H__
 #define __DRIVERS_TPM_SLB9635_I2C_TPM_H__
 
+#include <security/tpm/tis.h>
 #include <security/tpm/tss_errors.h>
 #include <stdint.h>
 
@@ -51,7 +52,7 @@ struct tpm_chip {
 
 /* ---------- Interface for TPM vendor ------------ */
 
-tpm_result_t tpm_vendor_probe(unsigned int bus, uint32_t addr);
+tpm_result_t tpm_vendor_probe(unsigned int bus, uint32_t addr, enum tpm_family *family);
 
 tpm_result_t tpm_vendor_init(struct tpm_chip *chip, unsigned int bus, uint32_t dev_addr);