Add Infineon v05 TPM driver

lib/chromeos/tlcl_stub.c

Index: lib/chromeos/tlcl_stub.c
diff --git a/lib/chromeos/tlcl_stub.c b/lib/chromeos/tlcl_stub.c
index c2136456a549b0de64ad5269f68de398634ea162..41769b2ae3919b00e66248c5c1d2cc31a8225b4c 100644
--- a/lib/chromeos/tlcl_stub.c
+++ b/lib/chromeos/tlcl_stub.c
@@ -1,7 +1,32 @@
 /*
- * 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
@@ -18,19 +43,34 @@
 uint32_t TlclStubInit(void)
 {
 #ifdef CONFIG_HARDWARE_TPM
-	return tpm_init();
-#else
-	return TPM_SUCCESS;
+	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;
 }
 
 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;
 }
 
@@ -38,16 +78,12 @@ 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;
-	return TPM_SUCCESS;
-#else
-	return TPM_SUCCESS;
 #endif
+	return TPM_SUCCESS;
 }