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- /* SPDX-License-Identifier: GPL-2.0-or-later */
- /*
- Conexant cx24123/cx24109 - DVB QPSK Satellite demod/tuner driver
- Copyright (C) 2005 Steven Toth <[email protected]>
- */
- #ifndef CX24123_H
- #define CX24123_H
- #include <linux/dvb/frontend.h>
- struct cx24123_config {
- /* the demodulator's i2c address */
- u8 demod_address;
- /* Need to set device param for start_dma */
- int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
- /* 0 = LNB voltage normal, 1 = LNB voltage inverted */
- int lnb_polarity;
- /* this device has another tuner */
- u8 dont_use_pll;
- void (*agc_callback) (struct dvb_frontend *);
- };
- #if IS_REACHABLE(CONFIG_DVB_CX24123)
- extern struct dvb_frontend *cx24123_attach(const struct cx24123_config *config,
- struct i2c_adapter *i2c);
- extern struct i2c_adapter *cx24123_get_tuner_i2c_adapter(struct dvb_frontend *);
- #else
- static inline struct dvb_frontend *cx24123_attach(
- const struct cx24123_config *config, struct i2c_adapter *i2c)
- {
- printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
- return NULL;
- }
- static inline struct i2c_adapter *
- cx24123_get_tuner_i2c_adapter(struct dvb_frontend *fe)
- {
- printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
- return NULL;
- }
- #endif
- #endif /* CX24123_H */
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