diff options
Diffstat (limited to 'kernel/drivers/media/dvb-frontends/horus3a.h')
| -rw-r--r-- | kernel/drivers/media/dvb-frontends/horus3a.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/kernel/drivers/media/dvb-frontends/horus3a.h b/kernel/drivers/media/dvb-frontends/horus3a.h new file mode 100644 index 000000000..c1e2d1834 --- /dev/null +++ b/kernel/drivers/media/dvb-frontends/horus3a.h @@ -0,0 +1,58 @@ +/* + * horus3a.h + * + * Sony Horus3A DVB-S/S2 tuner driver + * + * Copyright 2012 Sony Corporation + * 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 __DVB_HORUS3A_H__ +#define __DVB_HORUS3A_H__ + +#include <linux/kconfig.h> +#include <linux/dvb/frontend.h> +#include <linux/i2c.h> + +/** + * struct horus3a_config - the configuration of Horus3A tuner driver + * @i2c_address: I2C address of the tuner + * @xtal_freq_mhz: Oscillator frequency, MHz + * @set_tuner_priv: Callback function private context + * @set_tuner_callback: Callback function that notifies the parent driver + * which tuner is active now + */ +struct horus3a_config { + u8 i2c_address; + u8 xtal_freq_mhz; + void *set_tuner_priv; + int (*set_tuner_callback)(void *, int); +}; + +#if IS_REACHABLE(CONFIG_DVB_HORUS3A) +extern struct dvb_frontend *horus3a_attach(struct dvb_frontend *fe, + const struct horus3a_config *config, + struct i2c_adapter *i2c); +#else +static inline struct dvb_frontend *horus3a_attach(struct dvb_frontend *fe, + const struct horus3a_config *config, + struct i2c_adapter *i2c) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif + +#endif |