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