Initial Contribution
msm-2.6.38: tag AU_LINUX_ANDROID_GINGERBREAD.02.03.04.00.142
Signed-off-by: Bryan Huntsman <bryanh@codeaurora.org>
diff --git a/drivers/char/diag/diagchar_hdlc.h b/drivers/char/diag/diagchar_hdlc.h
new file mode 100644
index 0000000..2df81de
--- /dev/null
+++ b/drivers/char/diag/diagchar_hdlc.h
@@ -0,0 +1,60 @@
+/* Copyright (c) 2008-2009, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef DIAGCHAR_HDLC
+#define DIAGCHAR_HDLC
+
+enum diag_send_state_enum_type {
+ DIAG_STATE_START,
+ DIAG_STATE_BUSY,
+ DIAG_STATE_CRC1,
+ DIAG_STATE_CRC2,
+ DIAG_STATE_TERM,
+ DIAG_STATE_COMPLETE
+};
+
+struct diag_send_desc_type {
+ const void *pkt;
+ const void *last; /* Address of last byte to send. */
+ enum diag_send_state_enum_type state;
+ unsigned char terminate; /* True if this fragment
+ terminates the packet */
+};
+
+struct diag_hdlc_dest_type {
+ void *dest;
+ void *dest_last;
+ /* Below: internal use only */
+ uint16_t crc;
+};
+
+struct diag_hdlc_decode_type {
+ uint8_t *src_ptr;
+ unsigned int src_idx;
+ unsigned int src_size;
+ uint8_t *dest_ptr;
+ unsigned int dest_idx;
+ unsigned int dest_size;
+ int escaping;
+
+};
+
+void diag_hdlc_encode(struct diag_send_desc_type *src_desc,
+ struct diag_hdlc_dest_type *enc);
+
+int diag_hdlc_decode(struct diag_hdlc_decode_type *hdlc);
+
+#define ESC_CHAR 0x7D
+#define CONTROL_CHAR 0x7E
+#define ESC_MASK 0x20
+
+#endif