/* * Support for LGDT3302 and LGDT3303 - VSB/QAM * * Copyright (C) 2005 Wilson Michaels <wilsonmichaels@earthlink.net> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #ifndef LGDT330X_H #define LGDT330X_H #include <linux/dvb/frontend.h> typedef enum lg_chip_t { UNDEFINED, LGDT3302, LGDT3303 }lg_chip_type; struct lgdt330x_config { /* The demodulator's i2c address */ u8 demod_address; /* LG demodulator chip LGDT3302 or LGDT3303 */ lg_chip_type demod_chip; /* MPEG hardware interface - 0:parallel 1:serial */ int serial_mpeg; /* PLL interface */ int (*pll_rf_set) (struct dvb_frontend* fe, int index); /* Need to set device param for start_dma */ int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured); /* Flip the polarity of the mpeg data transfer clock using alternate init data * This option applies ONLY to LGDT3303 - 0:disabled (default) 1:enabled */ int clock_polarity_flip; }; #if IS_ENABLED(CONFIG_DVB_LGDT330X) extern struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config, struct i2c_adapter* i2c); #else static inline struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config, struct i2c_adapter* i2c) { printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); return NULL; } #endif // CONFIG_DVB_LGDT330X #endif /* LGDT330X_H */