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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/ves1820.h
Initial import
Diffstat (limited to 'drivers/media/dvb-frontends/ves1820.h')
-rw-r--r--drivers/media/dvb-frontends/ves1820.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/ves1820.h b/drivers/media/dvb-frontends/ves1820.h
new file mode 100644
index 000000000..ece46fdcd
--- /dev/null
+++ b/drivers/media/dvb-frontends/ves1820.h
@@ -0,0 +1,56 @@
+/*
+ VES1820 - Single Chip Cable Channel Receiver driver module
+
+ Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de>
+
+ 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 VES1820_H
+#define VES1820_H
+
+#include <linux/dvb/frontend.h>
+
+#define VES1820_SELAGC_PWM 0
+#define VES1820_SELAGC_SIGNAMPERR 1
+
+struct ves1820_config
+{
+ /* the demodulator's i2c address */
+ u8 demod_address;
+
+ /* value of XIN to use */
+ u32 xin;
+
+ /* does inversion need inverted? */
+ u8 invert:1;
+
+ /* SELAGC control */
+ u8 selagc:1;
+};
+
+#if IS_REACHABLE(CONFIG_DVB_VES1820)
+extern struct dvb_frontend* ves1820_attach(const struct ves1820_config* config,
+ struct i2c_adapter* i2c, u8 pwm);
+#else
+static inline struct dvb_frontend* ves1820_attach(const struct ves1820_config* config,
+ struct i2c_adapter* i2c, u8 pwm)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+#endif // CONFIG_DVB_VES1820
+
+#endif // VES1820_H