diff options
Diffstat (limited to 'drivers/media/dvb-frontends/lnbh25.h')
| -rw-r--r-- | drivers/media/dvb-frontends/lnbh25.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/lnbh25.h b/drivers/media/dvb-frontends/lnbh25.h new file mode 100644 index 000000000..1f329ef05 --- /dev/null +++ b/drivers/media/dvb-frontends/lnbh25.h @@ -0,0 +1,56 @@ +/* + * lnbh25.c + * + * Driver for LNB supply and control IC LNBH25 + * + * Copyright (C) 2014 NetUP Inc. + * Copyright (C) 2014 Sergey Kozlov <serjk@netup.ru> + * Copyright (C) 2014 Abylay Ospan <aospan@netup.ru> + * + * 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. + */ + +#ifndef LNBH25_H +#define LNBH25_H + +#include <linux/i2c.h> +#include <linux/kconfig.h> +#include <linux/dvb/frontend.h> + +/* 22 kHz tone enabled. Tone output controlled by DSQIN pin */ +#define LNBH25_TEN 0x01 +/* Low power mode activated (used only with 22 kHz tone output disabled) */ +#define LNBH25_LPM 0x02 +/* DSQIN input pin is set to receive external 22 kHz TTL signal source */ +#define LNBH25_EXTM 0x04 + +struct lnbh25_config { + u8 i2c_address; + u8 data2_config; +}; + +#if IS_REACHABLE(CONFIG_DVB_LNBH25) +struct dvb_frontend *lnbh25_attach( + struct dvb_frontend *fe, + struct lnbh25_config *cfg, + struct i2c_adapter *i2c); +#else +static inline struct dvb_frontend *lnbh25_attach( + struct dvb_frontend *fe, + struct lnbh25_config *cfg, + struct i2c_adapter *i2c) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif + +#endif |