diff options
Diffstat (limited to 'kernel/drivers/media/dvb-frontends/lgdt330x.h')
| -rw-r--r-- | kernel/drivers/media/dvb-frontends/lgdt330x.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/kernel/drivers/media/dvb-frontends/lgdt330x.h b/kernel/drivers/media/dvb-frontends/lgdt330x.h new file mode 100644 index 000000000..c73eeb45e --- /dev/null +++ b/kernel/drivers/media/dvb-frontends/lgdt330x.h @@ -0,0 +1,67 @@ +/* + * 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_REACHABLE(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 */ |