diff options
Diffstat (limited to 'drivers/media/dvb/frontends/cx24123.h')
-rw-r--r-- | drivers/media/dvb/frontends/cx24123.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/cx24123.h b/drivers/media/dvb/frontends/cx24123.h new file mode 100644 index 00000000000..0c922b5e926 --- /dev/null +++ b/drivers/media/dvb/frontends/cx24123.h @@ -0,0 +1,51 @@ +/* + Conexant cx24123/cx24109 - DVB QPSK Satellite demod/tuner driver + + Copyright (C) 2005 Steven Toth <stoth@hauppauge.com> + + 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 CX24123_H +#define CX24123_H + +#include <linux/dvb/frontend.h> + +struct cx24123_config +{ + /* the demodulator's i2c address */ + u8 demod_address; + + /* + cards like Hauppauge Nova-S Plus/Nova-SE2 use an Intersil ISL6421 chip + for LNB control, while KWorld DVB-S 100 use the LNBDC and LNBTone bits + from register 0x29 of the CX24123 demodulator + */ + int use_isl6421; + + /* PLL maintenance */ + int (*pll_init)(struct dvb_frontend* fe); + int (*pll_set)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params); + + /* Need to set device param for start_dma */ + int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured); + + void (*enable_lnb_voltage)(struct dvb_frontend* fe, int on); +}; + +extern struct dvb_frontend* cx24123_attach(const struct cx24123_config* config, + struct i2c_adapter* i2c); + +#endif /* CX24123_H */ |