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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lnbp22.h (927B)

      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3 * lnbp22.h - driver for lnb supply and control ic lnbp22
      4 *
      5 * Copyright (C) 2006 Dominik Kuhlen
      6 * Based on lnbp21.h
      7 *
      8 * the project's page is at https://linuxtv.org
      9 */
     10
     11#ifndef _LNBP22_H
     12#define _LNBP22_H
     13
     14/* Enable */
     15#define LNBP22_EN	  0x10
     16/* Voltage selection */
     17#define LNBP22_VSEL	0x02
     18/* Plus 1 Volt Bit */
     19#define LNBP22_LLC	0x01
     20
     21#include <linux/dvb/frontend.h>
     22
     23#if IS_REACHABLE(CONFIG_DVB_LNBP22)
     24/*
     25 * override_set and override_clear control which system register bits (above)
     26 * to always set & clear
     27 */
     28extern struct dvb_frontend *lnbp22_attach(struct dvb_frontend *fe,
     29						struct i2c_adapter *i2c);
     30#else
     31static inline struct dvb_frontend *lnbp22_attach(struct dvb_frontend *fe,
     32						struct i2c_adapter *i2c)
     33{
     34	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
     35	return NULL;
     36}
     37#endif /* CONFIG_DVB_LNBP22 */
     38
     39#endif /* _LNBP22_H */