Add Infineon v05 TPM driver

lib/chromeos/tlcl_stub.c

 /*
  * Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  *
  * Alternatively, this software may be distributed under the terms of the
  * GNU General Public License ("GPL") version 2 as published by the Free
  * Software Foundation.
  */
 
 #include <config.h>
 #include <common.h>
 #include <tlcl_stub.h>
 #include <tpm.h>
 
 /* A simple TPM library implementation for now */
 
 uint32_t TlclStubInit(void)
 {
 #ifdef CONFIG_HARDWARE_TPM
-        return tpm_init();
-#else
+        int ret = tis_init();
+        if (ret)
+                return TPM_E_IOERROR;
+        /* tpm-lite lib doesn't call TlclOpenDevice after TlclStubInit */
+        ret = tis_open();
+        if (ret)
+                return TPM_E_IOERROR;
+#endif
         return TPM_SUCCESS;
-#endif
 }
 
 uint32_t TlclCloseDevice(void)
 {
+#ifdef CONFIG_HARDWARE_TPM
+        int ret = tis_close();
+        if (ret)
+                return TPM_E_IOERROR;
+#endif
         return TPM_SUCCESS;
 }
 
 uint32_t TlclOpenDevice(void)
 {
+#ifdef CONFIG_HARDWARE_TPM
+        int ret = tis_open();
+        if (ret)
+                return TPM_E_IOERROR;
+#endif
         return TPM_SUCCESS;
 }
 
 uint32_t TlclStubSendReceive(const uint8_t* request, int request_length,
                 uint8_t* response, int max_length)
 {
 #ifdef CONFIG_HARDWARE_TPM
-        int ret_code;
-        ret_code = tpm_send(request, request_length);
-        if (ret_code)
+        int ret;
+        size_t recv_len = (size_t) max_length;
+        ret= tis_sendrecv(request, request_length, response, &recv_len);
+        if (ret)
                 return TPM_E_IOERROR;
-        ret_code = tpm_receive(response, max_length);
-        if (ret_code)
-                return TPM_E_IOERROR;
+#endif
         return TPM_SUCCESS;
-#else
-        return TPM_SUCCESS;
-#endif
 }