mirror of https://gitee.com/openkylin/linux.git
51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
/*
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Conexant cx24123/cx24109 - DVB QPSK Satellite demod/tuner driver
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Copyright (C) 2005 Steven Toth <stoth@hauppauge.com>
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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 CX24123_H
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#define CX24123_H
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#include <linux/dvb/frontend.h>
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struct cx24123_config
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{
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/* the demodulator's i2c address */
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u8 demod_address;
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/* Need to set device param for start_dma */
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int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);
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/* 0 = LNB voltage normal, 1 = LNB voltage inverted */
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int lnb_polarity;
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};
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#if defined(CONFIG_DVB_CX24123) || (defined(CONFIG_DVB_CX24123_MODULE) && defined(MODULE))
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extern struct dvb_frontend* cx24123_attach(const struct cx24123_config* config,
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struct i2c_adapter* i2c);
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#else
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static inline struct dvb_frontend* cx24123_attach(const struct cx24123_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", __FUNCTION__);
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return NULL;
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}
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#endif // CONFIG_DVB_CX24123
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#endif /* CX24123_H */
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