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https://github.com/szehl/ath9k-hmac.git
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65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
/**
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* Driver for Sharp IX2505V (marked B0017) DVB-S silicon tuner
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*
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* Copyright (C) 2010 Malcolm Priestley
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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 Version 2, as
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* published by the Free Software Foundation.
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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 DVB_IX2505V_H
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#define DVB_IX2505V_H
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#include <linux/kconfig.h>
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#include <linux/i2c.h>
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#include "dvb_frontend.h"
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/**
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* Attach a ix2505v tuner to the supplied frontend structure.
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*
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* @param fe Frontend to attach to.
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* @param config ix2505v_config structure
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* @return FE pointer on success, NULL on failure.
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*/
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struct ix2505v_config {
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u8 tuner_address;
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/*Baseband AMP gain control 0/1=0dB(default) 2=-2bB 3=-4dB */
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u8 tuner_gain;
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/*Charge pump output +/- 0=120 1=260 2=555 3=1200(default) */
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u8 tuner_chargepump;
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/* delay after tune */
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int min_delay_ms;
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/* disables reads*/
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u8 tuner_write_only;
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};
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#if IS_ENABLED(CPTCFG_DVB_IX2505V)
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extern struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe,
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const struct ix2505v_config *config, struct i2c_adapter *i2c);
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#else
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static inline struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe,
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const struct ix2505v_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 /* DVB_IX2505V_H */
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