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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stv0299.h (2412B)

      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3    Driver for ST STV0299 demodulator
      4
      5    Copyright (C) 2001-2002 Convergence Integrated Media GmbH
      6	<ralph@convergence.de>,
      7	<holger@convergence.de>,
      8	<js@convergence.de>
      9
     10
     11    Philips SU1278/SH
     12
     13    Copyright (C) 2002 by Peter Schildmann <peter.schildmann@web.de>
     14
     15
     16    LG TDQF-S001F
     17
     18    Copyright (C) 2002 Felix Domke <tmbinc@elitedvb.net>
     19		     & Andreas Oberritter <obi@linuxtv.org>
     20
     21
     22    Support for Samsung TBMU24112IMB used on Technisat SkyStar2 rev. 2.6B
     23
     24    Copyright (C) 2003 Vadim Catana <skystar@moldova.cc>:
     25
     26    Support for Philips SU1278 on Technotrend hardware
     27
     28    Copyright (C) 2004 Andrew de Quincey <adq_dvb@lidskialf.net>
     29
     30
     31*/
     32
     33#ifndef STV0299_H
     34#define STV0299_H
     35
     36#include <linux/dvb/frontend.h>
     37#include <media/dvb_frontend.h>
     38
     39#define STV0299_LOCKOUTPUT_0  0
     40#define STV0299_LOCKOUTPUT_1  1
     41#define STV0299_LOCKOUTPUT_CF 2
     42#define STV0299_LOCKOUTPUT_LK 3
     43
     44#define STV0299_VOLT13_OP0 0
     45#define STV0299_VOLT13_OP1 1
     46
     47struct stv0299_config
     48{
     49	/* the demodulator's i2c address */
     50	u8 demod_address;
     51
     52	/* inittab - array of pairs of values.
     53	 * First of each pair is the register, second is the value.
     54	 * List should be terminated with an 0xff, 0xff pair.
     55	 */
     56	const u8* inittab;
     57
     58	/* master clock to use */
     59	u32 mclk;
     60
     61	/* does the inversion require inversion? */
     62	u8 invert:1;
     63
     64	/* Skip reinitialisation? */
     65	u8 skip_reinit:1;
     66
     67	/* LOCK OUTPUT setting */
     68	u8 lock_output:2;
     69
     70	/* Is 13v controlled by OP0 or OP1? */
     71	u8 volt13_op0_op1:1;
     72
     73	/* Turn-off OP0? */
     74	u8 op0_off:1;
     75
     76	/* minimum delay before retuning */
     77	int min_delay_ms;
     78
     79	/* Set the symbol rate */
     80	int (*set_symbol_rate)(struct dvb_frontend *fe, u32 srate, u32 ratio);
     81
     82	/* Set device param to start dma */
     83	int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
     84};
     85
     86#if IS_REACHABLE(CONFIG_DVB_STV0299)
     87extern struct dvb_frontend *stv0299_attach(const struct stv0299_config *config,
     88					   struct i2c_adapter *i2c);
     89#else
     90static inline struct dvb_frontend *stv0299_attach(const struct stv0299_config *config,
     91					   struct i2c_adapter *i2c)
     92{
     93	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
     94	return NULL;
     95}
     96#endif // CONFIG_DVB_STV0299
     97
     98static inline int stv0299_writereg(struct dvb_frontend *fe, u8 reg, u8 val) {
     99	int r = 0;
    100	u8 buf[] = {reg, val};
    101	if (fe->ops.write)
    102		r = fe->ops.write(fe, buf, 2);
    103	return r;
    104}
    105
    106#endif // STV0299_H