V4L/DVB (4451): MT2060: IF1 Offset from EEPROM, several updates

- AGC gain set to 3
- The tuning sequence has been changed to match the DibCom driver ( from I2C
  spy captures )
- For LITE-ON adapters : The IF1 frequency is now tuned according to the
  calibration values stored in EEPROM.

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

1 files changed, 44 insertions, 0 deletions

diff --git a/drivers/media/dvb/frontends/mt2060.h b/drivers/media/dvb/frontends/mt2060.h
new file mode 100644
index 000000000000..d5dae102f96f
--- /dev/null
+++ b/drivers/media/dvb/frontends/mt2060.h
@@ -0,0 +1,44 @@
+/*
+ *  Driver for Microtune MT2060 "Single chip dual conversion broadband tuner"
+ *
+ *  Copyright (c) 2006 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.
+ *
+ *  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 MT2060_H
+#define MT2060_H
+
+#include <linux/i2c.h>
+#include <linux/dvb/frontend.h>
+
+struct mt2060_config {
+        u8 i2c_address;
+        /* Shall we add settings for the discrete outputs ? */
+};
+
+struct mt2060_state {
+        struct mt2060_config *config;
+        struct i2c_adapter *i2c;
+        u16 if1_freq;
+        u8 fmfreq;
+};
+
+extern int mt2060_init(struct mt2060_state *state);
+extern int mt2060_set(struct mt2060_state *state, struct dvb_frontend_parameters *fep);
+extern int mt2060_attach(struct mt2060_state *state, struct mt2060_config *config, struct i2c_adapter *i2c,u16 if1);
+
+#endif