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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /drivers/media/dvb-frontends/mt312.h
Initial import
Diffstat (limited to 'drivers/media/dvb-frontends/mt312.h')
-rw-r--r--drivers/media/dvb-frontends/mt312.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/mt312.h b/drivers/media/dvb-frontends/mt312.h
new file mode 100644
index 000000000..386939a90
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+++ b/drivers/media/dvb-frontends/mt312.h
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+/*
+ Driver for Zarlink MT312 Satellite Channel Decoder
+
+ Copyright (C) 2003 Andreas Oberritter <obi@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.
+
+ References:
+ http://products.zarlink.com/product_profiles/MT312.htm
+ http://products.zarlink.com/product_profiles/SL1935.htm
+*/
+
+#ifndef MT312_H
+#define MT312_H
+
+#include <linux/dvb/frontend.h>
+
+struct mt312_config {
+ /* the demodulator's i2c address */
+ u8 demod_address;
+
+ /* inverted voltage setting */
+ unsigned int voltage_inverted:1;
+};
+
+#if IS_REACHABLE(CONFIG_DVB_MT312)
+struct dvb_frontend *mt312_attach(const struct mt312_config *config,
+ struct i2c_adapter *i2c);
+#else
+static inline struct dvb_frontend *mt312_attach(
+ const struct mt312_config *config, struct i2c_adapter *i2c)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+#endif /* CONFIG_DVB_MT312 */
+
+#endif /* MT312_H */