diff options
Diffstat (limited to 'drivers/media/dvb-frontends/ts2020.h')
-rw-r--r-- | drivers/media/dvb-frontends/ts2020.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/ts2020.h b/drivers/media/dvb-frontends/ts2020.h new file mode 100644 index 000000000..1714af94e --- /dev/null +++ b/drivers/media/dvb-frontends/ts2020.h @@ -0,0 +1,74 @@ +/* + Montage Technology TS2020 - Silicon Tuner driver + Copyright (C) 2009-2012 Konstantin Dimitrov <kosio.dimitrov@gmail.com> + + Copyright (C) 2009-2012 TurboSight.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 TS2020_H +#define TS2020_H + +#include <linux/kconfig.h> +#include <linux/dvb/frontend.h> + +struct ts2020_config { + u8 tuner_address; + u32 frequency_div; + + /* + * RF loop-through + */ + u8 loop_through:1; + + /* + * clock output + */ +#define TS2020_CLK_OUT_DISABLED 0 +#define TS2020_CLK_OUT_ENABLED 1 +#define TS2020_CLK_OUT_ENABLED_XTALOUT 2 + u8 clk_out:2; + + /* + * clock output divider + * 1 - 31 + */ + u8 clk_out_div:5; + + /* + * pointer to DVB frontend + */ + struct dvb_frontend *fe; +}; + +#if IS_REACHABLE(CONFIG_DVB_TS2020) + +extern struct dvb_frontend *ts2020_attach( + struct dvb_frontend *fe, + const struct ts2020_config *config, + struct i2c_adapter *i2c); +#else +static inline struct dvb_frontend *ts2020_attach( + struct dvb_frontend *fe, + const struct ts2020_config *config, + struct i2c_adapter *i2c) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif + +#endif /* TS2020_H */ |