diff options
Diffstat (limited to 'drivers/media/tuners/r820t.h')
| -rw-r--r-- | drivers/media/tuners/r820t.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/media/tuners/r820t.h b/drivers/media/tuners/r820t.h new file mode 100644 index 000000000000..a64a7b630729 --- /dev/null +++ b/drivers/media/tuners/r820t.h @@ -0,0 +1,55 @@ +/* + * Elonics R820T silicon tuner driver + * + * Copyright (C) 2012 Antti Palosaari <crope@iki.fi> + * + * 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 R820T_H +#define R820T_H + +#include <linux/kconfig.h> +#include "dvb_frontend.h" + +enum r820t_chip { + CHIP_R820T, + CHIP_R828S, + CHIP_R820C, +}; + +struct r820t_config { + u8 i2c_addr; /* 0x34 */ + + u32 xtal; + enum r820t_chip rafael_chip; + unsigned max_i2c_msg_len; +}; + +#if IS_ENABLED(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 |