V4L/DVB (5914): Add initial support for Dual-DVB-T stick

Add initial support for Dual-DVB-T stick based on DiB7700 and MT2266

- Microtune MT2266 driver.
- Preliminary support for these dual tuner devices :
  - Pinnacle Dual DVB-T diversity
  - Terratec Cinergy DT USB XS diversity
  - Hauppauge Nova TD USB

Signed-off-by: Olivier DANET <odanet@caramail.com>
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 37 insertions, 0 deletions

diff --git a/drivers/media/dvb/frontends/mt2266.h b/drivers/media/dvb/frontends/mt2266.h
new file mode 100644
index 00000000000..f31dd613ad3
--- /dev/null
+++ b/drivers/media/dvb/frontends/mt2266.h
@@ -0,0 +1,37 @@
+/*
+ *  Driver for Microtune MT2266 "Direct conversion low power broadband tuner"
+ *
+ *  Copyright (c) 2007 Olivier DANET <odanet@caramail.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.
+ */
+
+#ifndef MT2266_H
+#define MT2266_H
+
+struct dvb_frontend;
+struct i2c_adapter;
+
+struct mt2266_config {
+	u8 i2c_address;
+};
+
+#if defined(CONFIG_DVB_TUNER_MT2266) || (defined(CONFIG_DVB_TUNER_MT2266_MODULE) && defined(MODULE))
+extern struct dvb_frontend * mt2266_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct mt2266_config *cfg);
+#else
+static inline struct dvb_frontend * mt2266_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct mt2266_config *cfg)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
+	return NULL;
+}
+#endif // CONFIG_DVB_TUNER_MT2266
+
+#endif