diff options
Diffstat (limited to 'drivers/media/dvb-frontends/ves1820.h')
| -rw-r--r-- | drivers/media/dvb-frontends/ves1820.h | 56 |
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 00000000000..c073f353ac3 --- /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_ENABLED(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 |