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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lgs8gxx.h (1919B)

      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3 *    Support for Legend Silicon GB20600 (a.k.a DMB-TH) demodulator
      4 *    LGS8913, LGS8GL5, LGS8G75
      5 *    experimental support LGS8G42, LGS8G52
      6 *
      7 *    Copyright (C) 2007-2009 David T.L. Wong <davidtlwong@gmail.com>
      8 *    Copyright (C) 2008 Sirius International (Hong Kong) Limited
      9 *    Timothy Lee <timothy.lee@siriushk.com> (for initial work on LGS8GL5)
     10 */
     11
     12#ifndef __LGS8GXX_H__
     13#define __LGS8GXX_H__
     14
     15#include <linux/dvb/frontend.h>
     16#include <linux/i2c.h>
     17
     18#define LGS8GXX_PROD_LGS8913 0
     19#define LGS8GXX_PROD_LGS8GL5 1
     20#define LGS8GXX_PROD_LGS8G42 3
     21#define LGS8GXX_PROD_LGS8G52 4
     22#define LGS8GXX_PROD_LGS8G54 5
     23#define LGS8GXX_PROD_LGS8G75 6
     24
     25struct lgs8gxx_config {
     26
     27	/* product type */
     28	u8 prod;
     29
     30	/* the demodulator's i2c address */
     31	u8 demod_address;
     32
     33	/* parallel or serial transport stream */
     34	u8 serial_ts;
     35
     36	/* transport stream polarity*/
     37	u8 ts_clk_pol;
     38
     39	/* transport stream clock gated by ts_valid */
     40	u8 ts_clk_gated;
     41
     42	/* A/D Clock frequency */
     43	u32 if_clk_freq; /* in kHz */
     44
     45	/* IF frequency */
     46	u32 if_freq; /* in kHz */
     47
     48	/*Use External ADC*/
     49	u8 ext_adc;
     50
     51	/*External ADC output two's complement*/
     52	u8 adc_signed;
     53
     54	/*Sample IF data at falling edge of IF_CLK*/
     55	u8 if_neg_edge;
     56
     57	/*IF use Negative center frequency*/
     58	u8 if_neg_center;
     59
     60	/*8G75 internal ADC input range selection*/
     61	/*0: 0.8Vpp, 1: 1.0Vpp, 2: 1.6Vpp, 3: 2.0Vpp*/
     62	u8 adc_vpp;
     63
     64	/* slave address and configuration of the tuner */
     65	u8 tuner_address;
     66};
     67
     68#if IS_REACHABLE(CONFIG_DVB_LGS8GXX)
     69extern struct dvb_frontend *lgs8gxx_attach(const struct lgs8gxx_config *config,
     70					   struct i2c_adapter *i2c);
     71#else
     72static inline
     73struct dvb_frontend *lgs8gxx_attach(const struct lgs8gxx_config *config,
     74				    struct i2c_adapter *i2c) {
     75	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
     76	return NULL;
     77}
     78#endif /* CONFIG_DVB_LGS8GXX */
     79
     80#endif /* __LGS8GXX_H__ */