mirror of https://gitee.com/openkylin/linux.git
49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Fujitsu mb86a20s driver
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*
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* Copyright (C) 2010 Mauro Carvalho Chehab
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*/
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#ifndef MB86A20S_H
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#define MB86A20S_H
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#include <linux/dvb/frontend.h>
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/**
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* struct mb86a20s_config - Define the per-device attributes of the frontend
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*
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* @fclk: Clock frequency. If zero, assumes the default
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* (32.57142 Mhz)
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* @demod_address: the demodulator's i2c address
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* @is_serial: if true, TS is serial. Otherwise, TS is parallel
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*/
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struct mb86a20s_config {
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u32 fclk;
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u8 demod_address;
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bool is_serial;
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};
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#if IS_REACHABLE(CONFIG_DVB_MB86A20S)
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/**
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* mb86a20s_attach - Attach a mb86a20s demod
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*
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* @config: pointer to &struct mb86a20s_config with demod configuration.
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* @i2c: i2c adapter to use.
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*
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* return: FE pointer on success, NULL on failure.
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*/
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extern struct dvb_frontend *mb86a20s_attach(const struct mb86a20s_config *config,
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struct i2c_adapter *i2c);
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#else
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static inline struct dvb_frontend *mb86a20s_attach(
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const struct mb86a20s_config *config, 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
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#endif /* MB86A20S */
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