2015-08-05 17:22:42 +02:00
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/*
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STV6110(A) Silicon tuner driver
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Copyright (C) Manu Abraham <abraham.manu@gmail.com>
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Copyright (C) ST Microelectronics
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __STV6110x_H
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#define __STV6110x_H
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struct stv6110x_config {
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u8 addr;
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u32 refclk;
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u8 clk_div; /* divisor value for the output clock */
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};
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enum tuner_mode {
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TUNER_SLEEP = 1,
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TUNER_WAKE,
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};
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enum tuner_status {
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TUNER_PHASELOCKED = 1,
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};
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struct stv6110x_devctl {
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int (*tuner_init) (struct dvb_frontend *fe);
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int (*tuner_sleep) (struct dvb_frontend *fe);
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int (*tuner_set_mode) (struct dvb_frontend *fe, enum tuner_mode mode);
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int (*tuner_set_frequency) (struct dvb_frontend *fe, u32 frequency);
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int (*tuner_get_frequency) (struct dvb_frontend *fe, u32 *frequency);
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int (*tuner_set_bandwidth) (struct dvb_frontend *fe, u32 bandwidth);
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int (*tuner_get_bandwidth) (struct dvb_frontend *fe, u32 *bandwidth);
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int (*tuner_set_bbgain) (struct dvb_frontend *fe, u32 gain);
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int (*tuner_get_bbgain) (struct dvb_frontend *fe, u32 *gain);
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int (*tuner_set_refclk) (struct dvb_frontend *fe, u32 refclk);
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int (*tuner_get_status) (struct dvb_frontend *fe, u32 *status);
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};
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2017-09-26 21:18:04 +02:00
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#include <linux/version.h>
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 1, 0))
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#define IS_REACHABLE(option) (config_enabled(option) || \
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(config_enabled(option##_MODULE) && config_enabled(MODULE)))
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#endif
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2015-08-05 17:22:42 +02:00
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2017-09-26 21:18:04 +02:00
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#if IS_REACHABLE(CONFIG_DVB_STV6110x)
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extern const struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe,
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2015-08-05 17:22:42 +02:00
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const struct stv6110x_config *config,
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struct i2c_adapter *i2c);
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#else
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2017-09-26 21:18:04 +02:00
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static inline const struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe,
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2015-08-05 17:22:42 +02:00
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const struct stv6110x_config *config,
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struct i2c_adapter *i2c)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return NULL;
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}
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#endif /* CONFIG_DVB_STV6110x */
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#endif /* __STV6110x_H */
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