diff options
Diffstat (limited to 'drivers/media/dvb/frontends/rtl2832.h')
| -rw-r--r-- | drivers/media/dvb/frontends/rtl2832.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/rtl2832.h b/drivers/media/dvb/frontends/rtl2832.h new file mode 100644 index 000000000000..d94dc9a3fa62 --- /dev/null +++ b/drivers/media/dvb/frontends/rtl2832.h @@ -0,0 +1,74 @@ +/* + * Realtek RTL2832 DVB-T demodulator driver + * + * Copyright (C) 2012 Thomas Mair <thomas.mair86@gmail.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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef RTL2832_H +#define RTL2832_H + +#include <linux/dvb/frontend.h> + +struct rtl2832_config { + /* + * Demodulator I2C address. + */ + u8 i2c_addr; + + /* + * Xtal frequency. + * Hz + * 4000000, 16000000, 25000000, 28800000 + */ + u32 xtal; + + /* + * IFs for all used modes. + * Hz + * 4570000, 4571429, 36000000, 36125000, 36166667, 44000000 + */ + u32 if_dvbt; + + /* + */ + u8 tuner; +}; + + +#if defined(CONFIG_DVB_RTL2832) || \ + (defined(CONFIG_DVB_RTL2832_MODULE) && defined(MODULE)) +extern struct dvb_frontend *rtl2832_attach( + const struct rtl2832_config *cfg, + struct i2c_adapter *i2c +); + +extern struct i2c_adapter *rtl2832_get_tuner_i2c_adapter( + struct dvb_frontend *fe +); +#else +static inline struct dvb_frontend *rtl2832_attach( + const struct rtl2832_config *config, + struct i2c_adapter *i2c +) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif + + +#endif /* RTL2832_H */ |