1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/cx24123.h b/drivers/media/dvb-frontends/cx24123.h
new file mode 100644
index 000000000..758aee5a0
--- /dev/null
+++ b/drivers/media/dvb-frontends/cx24123.h
@@ -0,0 +1,61 @@
+/*
+    Conexant cx24123/cx24109 - DVB QPSK Satellite demod/tuner driver
+
+    Copyright (C) 2005 Steven Toth <stoth@linuxtv.org>
+
+    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/kconfig.h>
+#include <linux/dvb/frontend.h>
+
+struct cx24123_config {
+	/* the demodulator's i2c address */
+	u8 demod_address;
+
+	/* Need to set device param for start_dma */
+	int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
+
+	/* 0 = LNB voltage normal, 1 = LNB voltage inverted */
+	int lnb_polarity;
+
+	/* this device has another tuner */
+	u8 dont_use_pll;
+	void (*agc_callback) (struct dvb_frontend *);
+};
+
+#if IS_REACHABLE(CONFIG_DVB_CX24123)
+extern struct dvb_frontend *cx24123_attach(const struct cx24123_config *config,
+					   struct i2c_adapter *i2c);
+extern struct i2c_adapter *cx24123_get_tuner_i2c_adapter(struct dvb_frontend *);
+#else
+static inline struct dvb_frontend *cx24123_attach(
+	const struct cx24123_config *config, struct i2c_adapter *i2c)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	return NULL;
+}
+static struct i2c_adapter *
+	cx24123_get_tuner_i2c_adapter(struct dvb_frontend *fe)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	return NULL;
+}
+#endif
+
+#endif /* CX24123_H */