diff options
Diffstat (limited to 'drivers/media/dvb-frontends/s5h1420.h')
| -rw-r--r-- | drivers/media/dvb-frontends/s5h1420.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/s5h1420.h b/drivers/media/dvb-frontends/s5h1420.h new file mode 100644 index 000000000..f5da808df --- /dev/null +++ b/drivers/media/dvb-frontends/s5h1420.h @@ -0,0 +1,47 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Driver for + * Samsung S5H1420 and + * PnpNetwork PN1010 QPSK Demodulator + * + * Copyright (C) 2005 Andrew de Quincey <adq_dvb@lidskialf.net> + * Copyright (C) 2005-8 Patrick Boettcher <pb@linuxtv.org> + */ +#ifndef S5H1420_H +#define S5H1420_H + +#include <linux/dvb/frontend.h> + +struct s5h1420_config +{ + /* the demodulator's i2c address */ + u8 demod_address; + + /* does the inversion require inversion? */ + u8 invert:1; + + u8 repeated_start_workaround:1; + u8 cdclk_polarity:1; /* 1 == falling edge, 0 == raising edge */ + + u8 serial_mpeg:1; +}; + +#if IS_REACHABLE(CONFIG_DVB_S5H1420) +extern struct dvb_frontend *s5h1420_attach(const struct s5h1420_config *config, + struct i2c_adapter *i2c); +extern struct i2c_adapter *s5h1420_get_tuner_i2c_adapter(struct dvb_frontend *fe); +#else +static inline struct dvb_frontend *s5h1420_attach(const struct s5h1420_config *config, + struct i2c_adapter *i2c) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} + +static inline struct i2c_adapter *s5h1420_get_tuner_i2c_adapter(struct dvb_frontend *fe) +{ + return NULL; +} +#endif // CONFIG_DVB_S5H1420 + +#endif // S5H1420_H |