diff options
Diffstat (limited to 'drivers/media/dvb-frontends/ves1820.h')
| -rw-r--r-- | drivers/media/dvb-frontends/ves1820.h | 44 |
1 files changed, 44 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..73316eb41 --- /dev/null +++ b/drivers/media/dvb-frontends/ves1820.h @@ -0,0 +1,44 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + VES1820 - Single Chip Cable Channel Receiver driver module + + Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de> + +*/ + +#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 |