diff options
Diffstat (limited to 'drivers/media/tuners/r820t.h')
| -rw-r--r-- | drivers/media/tuners/r820t.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/media/tuners/r820t.h b/drivers/media/tuners/r820t.h new file mode 100644 index 000000000..6709a0da9 --- /dev/null +++ b/drivers/media/tuners/r820t.h @@ -0,0 +1,45 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Elonics R820T silicon tuner driver + * + * Copyright (C) 2012 Antti Palosaari <crope@iki.fi> + */ + +#ifndef R820T_H +#define R820T_H + +#include <media/dvb_frontend.h> + +enum r820t_chip { + CHIP_R820T, + CHIP_R620D, + CHIP_R828D, + CHIP_R828, + CHIP_R828S, + CHIP_R820C, +}; + +struct r820t_config { + u8 i2c_addr; /* 0x34 */ + u32 xtal; + enum r820t_chip rafael_chip; + unsigned max_i2c_msg_len; + bool use_diplexer; + bool use_predetect; +}; + +#if IS_REACHABLE(CONFIG_MEDIA_TUNER_R820T) +struct dvb_frontend *r820t_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c, + const struct r820t_config *cfg); +#else +static inline struct dvb_frontend *r820t_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c, + const struct r820t_config *cfg) +{ + pr_warn("%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif + +#endif |