mirror of https://gitee.com/openkylin/linux.git
67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
/*
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* HDIC HD29L2 DMB-TH demodulator driver
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*
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* Copyright (C) 2011 Metropolia University of Applied Sciences, Electria R&D
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*
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* Author: Antti Palosaari <crope@iki.fi>
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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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* 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 HD29L2_H
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#define HD29L2_H
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#include <linux/dvb/frontend.h>
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struct hd29l2_config {
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/*
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* demodulator I2C address
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*/
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u8 i2c_addr;
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/*
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* tuner I2C address
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* only needed when tuner is behind demod I2C-gate
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*/
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u8 tuner_i2c_addr;
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/*
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* TS settings
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*/
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#define HD29L2_TS_SERIAL 0x00
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#define HD29L2_TS_PARALLEL 0x80
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#define HD29L2_TS_CLK_NORMAL 0x40
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#define HD29L2_TS_CLK_INVERTED 0x00
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#define HD29L2_TS_CLK_GATED 0x20
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#define HD29L2_TS_CLK_FREE 0x00
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u8 ts_mode;
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};
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#if defined(CONFIG_DVB_HD29L2) || \
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(defined(CONFIG_DVB_HD29L2_MODULE) && defined(MODULE))
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extern struct dvb_frontend *hd29l2_attach(const struct hd29l2_config *config,
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struct i2c_adapter *i2c);
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#else
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static inline struct dvb_frontend *hd29l2_attach(
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const struct hd29l2_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 /* HD29L2_H */
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