mirror of https://gitee.com/openkylin/linux.git
50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
/*
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* Driver for DVB-T s921 demodulator
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*
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* Copyright (C) 2008 Markus Rechberger <mrechberger@sundtek.de>
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*
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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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*
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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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*
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* GNU General Public License for more details.
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*
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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 S921_MODULE_H
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#define S921_MODULE_H
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#include <linux/dvb/frontend.h>
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#include "s921_core.h"
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int s921_isdb_init(struct s921_isdb_t *dev);
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int s921_isdb_cmd(struct s921_isdb_t *dev, u32 cmd, void *data);
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struct s921_config
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{
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/* demodulator's I2C address */
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u8 i2c_address;
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};
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#if defined(CONFIG_DVB_S921) || (defined(CONFIG_DVB_S921_MODULE) && defined(MODULE))
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extern struct dvb_frontend* s921_attach(const struct s921_config *config,
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struct i2c_adapter *i2c);
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#else
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static inline struct dvb_frontend* s921_attach(const struct s921_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_S921 */
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#endif /* S921_H */
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