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.
+ * Copyright 2010, Google Inc.

[Che-Liang Chiou, 2011/03/14 08:49:54]

Please use "chromium os authors..." copyright header.

[rongchang, 2011/03/23 11:44:57]

Done.

+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  * 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
 }