1 files changed, 51 insertions, 0 deletions

diff --git a/drivers/media/dvb/frontends/cx24123.h b/drivers/media/dvb/frontends/cx24123.h
new file mode 100644
index 000000000000..0c922b5e9263
--- /dev/null
+++ b/drivers/media/dvb/frontends/cx24123.h
@@ -0,0 +1,51 @@
+/*
+    Conexant cx24123/cx24109 - DVB QPSK Satellite demod/tuner driver
+
+    Copyright (C) 2005 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 CX24123_H
+#define CX24123_H
+
+#include <linux/dvb/frontend.h>
+
+struct cx24123_config
+{
+        /* the demodulator's i2c address */
+        u8 demod_address;
+
+        /*
+           cards like Hauppauge Nova-S Plus/Nova-SE2 use an Intersil ISL6421 chip
+           for LNB control, while KWorld DVB-S 100 use the LNBDC and LNBTone bits
+           from register 0x29 of the CX24123 demodulator
+        */
+        int use_isl6421;
+
+        /* PLL maintenance */
+        int (*pll_init)(struct dvb_frontend* fe);
+        int (*pll_set)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);
+
+        /* Need to set device param for start_dma */
+        int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);
+
+        void (*enable_lnb_voltage)(struct dvb_frontend* fe, int on);
+};
+
+extern struct dvb_frontend* cx24123_attach(const struct cx24123_config* config,
+                                           struct i2c_adapter* i2c);
+
+#endif /* CX24123_H */