V4L/DVB (7621): Add support for Hauppauge HVR950Q/HVR850/FusioHDTV7-USB

[pandora-kernel.git] / drivers / media / dvb / frontends / au8522.h

diff --git a/drivers/media/dvb/frontends/au8522.h b/drivers/media/dvb/frontends/au8522.h
new file mode 100644 (file)
index 0000000..a756271
--- /dev/null
+++ b/drivers/media/dvb/frontends/au8522.h
@@ -0,0 +1,55 @@
+/*
+    Auvitek AU8522 QAM/8VSB demodulator driver
+
+    Copyright (C) 2008 Steven Toth <stoth@hauppauge.com>
+
+    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 __AU8522_H__
+#define __AU8522_H__
+
+#include <linux/dvb/frontend.h>
+
+struct au8522_config
+{
+       /* the demodulator's i2c address */
+       u8 demod_address;
+
+       /* Return lock status based on tuner lock, or demod lock */
+#define AU8522_TUNERLOCKING 0
+#define AU8522_DEMODLOCKING 1
+       u8 status_mode;
+};
+
+#if defined(CONFIG_DVB_AU8522) || (defined(CONFIG_DVB_AU8522_MODULE) && defined(MODULE))
+extern struct dvb_frontend* au8522_attach(const struct au8522_config* config,
+                                          struct i2c_adapter* i2c);
+#else
+static inline struct dvb_frontend* au8522_attach(const struct au8522_config* config,
+                                                 struct i2c_adapter* i2c)
+{
+       printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
+       return NULL;
+}
+#endif /* CONFIG_DVB_AU8522 */
+
+#endif /* __AU8522_H__ */
+
+/*
+ * Local variables:
+ * c-basic-offset: 8
+ */