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- /* SPDX-License-Identifier: GPL-2.0-or-later */
- /*
- * Driver for
- * Samsung S5H1420 and
- * PnpNetwork PN1010 QPSK Demodulator
- *
- * Copyright (C) 2005 Andrew de Quincey <[email protected]>
- * Copyright (C) 2005-8 Patrick Boettcher <[email protected]>
- */
- #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
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