cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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mt352.h (1581B)

      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3 *  Driver for Zarlink DVB-T MT352 demodulator
      4 *
      5 *  Written by Holger Waechtler <holger@qanu.de>
      6 *	 and Daniel Mack <daniel@qanu.de>
      7 *
      8 *  AVerMedia AVerTV DVB-T 771 support by
      9 *       Wolfram Joost <dbox2@frokaschwei.de>
     10 *
     11 *  Support for Samsung TDTC9251DH01C(M) tuner
     12 *  Copyright (C) 2004 Antonio Mancuso <antonio.mancuso@digitaltelevision.it>
     13 *                     Amauri  Celani  <acelani@essegi.net>
     14 *
     15 *  DVICO FusionHDTV DVB-T1 and DVICO FusionHDTV DVB-T Lite support by
     16 *       Christopher Pascoe <c.pascoe@itee.uq.edu.au>
     17 */
     18
     19#ifndef MT352_H
     20#define MT352_H
     21
     22#include <linux/dvb/frontend.h>
     23
     24struct mt352_config
     25{
     26	/* the demodulator's i2c address */
     27	u8 demod_address;
     28
     29	/* frequencies in kHz */
     30	int adc_clock;  // default: 20480
     31	int if2;        // default: 36166
     32
     33	/* set if no pll is connected to the secondary i2c bus */
     34	int no_tuner;
     35
     36	/* Initialise the demodulator and PLL. Cannot be NULL */
     37	int (*demod_init)(struct dvb_frontend* fe);
     38};
     39
     40#if IS_REACHABLE(CONFIG_DVB_MT352)
     41extern struct dvb_frontend* mt352_attach(const struct mt352_config* config,
     42					 struct i2c_adapter* i2c);
     43#else
     44static inline struct dvb_frontend* mt352_attach(const struct mt352_config* config,
     45					 struct i2c_adapter* i2c)
     46{
     47	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
     48	return NULL;
     49}
     50#endif // CONFIG_DVB_MT352
     51
     52static inline int mt352_write(struct dvb_frontend *fe, const u8 buf[], int len) {
     53	int r = 0;
     54	if (fe->ops.write)
     55		r = fe->ops.write(fe, buf, len);
     56	return r;
     57}
     58
     59#endif // MT352_H