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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/media/dvb-frontends/ix2505v.h | |
parent | Initial commit. (diff) | |
download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/dvb-frontends/ix2505v.h')
-rw-r--r-- | drivers/media/dvb-frontends/ix2505v.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/ix2505v.h b/drivers/media/dvb-frontends/ix2505v.h new file mode 100644 index 000000000..20b1eb3dd --- /dev/null +++ b/drivers/media/dvb-frontends/ix2505v.h @@ -0,0 +1,61 @@ +/** + * Driver for Sharp IX2505V (marked B0017) DVB-S silicon tuner + * + * Copyright (C) 2010 Malcolm Priestley + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License Version 2, as + * published by the Free Software Foundation. + * + * 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_IX2505V_H +#define DVB_IX2505V_H + +#include <linux/i2c.h> +#include <media/dvb_frontend.h> + +/** + * struct ix2505v_config - ix2505 attachment configuration + * + * @tuner_address: tuner address + * @tuner_gain: Baseband AMP gain control 0/1=0dB(default) 2=-2bB 3=-4dB + * @tuner_chargepump: Charge pump output +/- 0=120 1=260 2=555 3=1200(default) + * @min_delay_ms: delay after tune + * @tuner_write_only: disables reads + */ +struct ix2505v_config { + u8 tuner_address; + u8 tuner_gain; + u8 tuner_chargepump; + int min_delay_ms; + u8 tuner_write_only; + +}; + +#if IS_REACHABLE(CONFIG_DVB_IX2505V) +/** + * Attach a ix2505v tuner to the supplied frontend structure. + * + * @fe: Frontend to attach to. + * @config: pointer to &struct ix2505v_config + * @i2c: pointer to &struct i2c_adapter. + * + * return: FE pointer on success, NULL on failure. + */ +extern struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe, + const struct ix2505v_config *config, struct i2c_adapter *i2c); +#else +static inline struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe, + const struct ix2505v_config *config, struct i2c_adapter *i2c) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif + +#endif /* DVB_IX2505V_H */ |