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Diffstat (limited to 'drivers/dahdi/ap400/apec.h')
-rw-r--r--drivers/dahdi/ap400/apec.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/dahdi/ap400/apec.h b/drivers/dahdi/ap400/apec.h
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+++ b/drivers/dahdi/ap400/apec.h
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+/*
+ * AP400 Echo Cancelation Hardware support
+ *
+ * Written by Wagner Gegler <aligera@aligera.com.br>
+ *
+ * Based on previous work written by Mark Spencer <markster@digium.com>
+ *
+ * Copyright (C) 2005-2006 Digium, Inc.
+ *
+ * Mark Spencer <markster@digium.com>
+ *
+ * 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 as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef _APEC_H_
+#define _APEC_H_
+
+#include <linux/firmware.h>
+
+struct apec_s;
+
+/* From AP400 */
+unsigned int oct_read(void *card, unsigned int addr);
+void oct_write(void *card, unsigned int addr, unsigned int data);
+
+/* From APEC */
+struct apec_s *apec_init(void *wc, int *isalaw, int numspans, const struct firmware *firmware);
+unsigned int apec_capacity_get(void *wc);
+void apec_setec(struct apec_s *instance, int channel, int eclen);
+int apec_checkirq(struct apec_s *apec);
+void apec_release(struct apec_s *instance);
+
+#endif /*_APEC_H_*/