V4L/DVB (7644): Adding support for the NXP TDA10048HN DVB OFDM demodulator

Adding support for the NXP TDA10048HN DVB OFDM demodulator

Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 63 insertions, 0 deletions

diff --git a/drivers/media/dvb/frontends/tda10048.h b/drivers/media/dvb/frontends/tda10048.h
new file mode 100644
index 000000000000..2b5c78e62c86
--- /dev/null
+++ b/drivers/media/dvb/frontends/tda10048.h
@@ -0,0 +1,63 @@
+/*
+    NXP TDA10048HN DVB OFDM 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 TDA10048_H
+#define TDA10048_H
+
+#include <linux/dvb/frontend.h>
+#include <linux/firmware.h>
+
+struct tda10048_config {
+
+	/* the demodulator's i2c address */
+	u8 demod_address;
+
+	/* serial/parallel output */
+#define TDA10048_PARALLEL_OUTPUT 0
+#define TDA10048_SERIAL_OUTPUT   1
+	u8 output_mode;
+
+#define TDA10048_BULKWRITE_200	200
+#define TDA10048_BULKWRITE_50	50
+	u8 fwbulkwritelen;
+
+	/* Spectral Inversion */
+#define TDA10048_INVERSION_OFF 0
+#define TDA10048_INVERSION_ON  1
+	u8 inversion;
+};
+
+#if defined(CONFIG_DVB_TDA10048) || \
+	(defined(CONFIG_DVB_TDA10048_MODULE) && defined(MODULE))
+extern struct dvb_frontend *tda10048_attach(
+	const struct tda10048_config *config,
+	struct i2c_adapter *i2c);
+#else
+static inline struct dvb_frontend *tda10048_attach(
+	const struct tda10048_config *config,
+	struct i2c_adapter *i2c)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	return NULL;
+}
+#endif /* CONFIG_DVB_TDA10048 */
+
+#endif /* TDA10048_H */