| /* 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 |
