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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ix2505v.h (1409B)


      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Driver for Sharp IX2505V (marked B0017) DVB-S silicon tuner
      4 *
      5 * Copyright (C) 2010 Malcolm Priestley
      6 */
      7
      8#ifndef DVB_IX2505V_H
      9#define DVB_IX2505V_H
     10
     11#include <linux/i2c.h>
     12#include <media/dvb_frontend.h>
     13
     14/**
     15 * struct ix2505v_config - ix2505 attachment configuration
     16 *
     17 * @tuner_address: tuner address
     18 * @tuner_gain: Baseband AMP gain control 0/1=0dB(default) 2=-2bB 3=-4dB
     19 * @tuner_chargepump: Charge pump output +/- 0=120 1=260 2=555 3=1200(default)
     20 * @min_delay_ms: delay after tune
     21 * @tuner_write_only: disables reads
     22 */
     23struct ix2505v_config {
     24	u8 tuner_address;
     25	u8 tuner_gain;
     26	u8 tuner_chargepump;
     27	int min_delay_ms;
     28	u8 tuner_write_only;
     29
     30};
     31
     32#if IS_REACHABLE(CONFIG_DVB_IX2505V)
     33/**
     34 * ix2505v_attach - Attach a ix2505v tuner to the supplied frontend structure.
     35 *
     36 * @fe: Frontend to attach to.
     37 * @config: pointer to &struct ix2505v_config
     38 * @i2c: pointer to &struct i2c_adapter.
     39 *
     40 * return: FE pointer on success, NULL on failure.
     41 */
     42extern struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe,
     43	const struct ix2505v_config *config, struct i2c_adapter *i2c);
     44#else
     45static inline struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe,
     46	const struct ix2505v_config *config, struct i2c_adapter *i2c)
     47{
     48	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
     49	return NULL;
     50}
     51#endif
     52
     53#endif /* DVB_IX2505V_H */