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..84c2dc8c3 --- /dev/null +++ b/drivers/media/dvb-frontends/ts2020.h @@ -0,0 +1,74 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + Montage Technology TS2020 - Silicon Tuner driver + Copyright (C) 2009-2012 Konstantin Dimitrov <kosio.dimitrov@gmail.com> + + Copyright (C) 2009-2012 TurboSight.com + + */ + +#ifndef TS2020_H +#define TS2020_H + +#include <linux/dvb/frontend.h> + +struct ts2020_config { + u8 tuner_address; + u32 frequency_div; + + /* + * RF loop-through + */ + bool 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; + + /* Set to true to suppress stat polling */ + bool dont_poll:1; + + /* + * pointer to DVB frontend + */ + struct dvb_frontend *fe; + + /* + * driver private, do not set value + */ + u8 attach_in_use:1; + + /* Operation to be called by the ts2020 driver to get the value of the + * AGC PWM tuner input as theoretically output by the demodulator. + */ + int (*get_agc_pwm)(struct dvb_frontend *fe, u8 *_agc_pwm); +}; + +/* Do not add new ts2020_attach() users! Use I2C bindings instead. */ +#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 */ |