[Dreambox One UHD] - Amlogic s922X

taki · 12 June 2019 12:15

https://onlinedisassembler.com/odaweb/O2WIvkOM
used dvb ko si2183, si2141

tbsdtv/linux_media/blob/latest/drivers/media/dvb-frontends/si2183.c

/*
 * Silicon Labs Si2183(2) DVB-T/T2/C/C2/S/S2 demodulator driver
 *
 *    This program is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation; either version 2 of the License, or
 *    (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 */

#include "si2183.h"
#include <media/dvb_frontend.h>
#include <linux/firmware.h>
#include <linux/i2c-mux.h>

#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 0)

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github.com

tbsdtv/linux_media/blob/latest/drivers/media/dvb-frontends/si2183.h

/*
 * Silicon Labs Si2183(2) DVB-T/T2/C/C2/S/S2 demodulator driver
 *
 *    This program is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation; either version 2 of the License, or
 *    (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 */

#ifndef SI2183_H
#define SI2183_H

#include <linux/dvb/frontend.h>
/*
 * I2C address

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https://www.silabs.com/documents/public/data-shorts/Si2183-B60-short.pdf
si2141 dvb t/c2 tuner

github.com

tbsdtv/linux_media/blob/latest/drivers/media/tuners/si2157.c

// // SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Silicon Labs Si2146/2147/2148/2157/2158 silicon tuner driver
 *
 * Copyright (C) 2014 Antti Palosaari <crope@iki.fi>
 */

#include "si2157_priv.h"

static const struct dvb_tuner_ops si2157_ops;

static int tuner_lock_debug;
module_param(tuner_lock_debug, int, 0644);
MODULE_PARM_DESC(tuner_lock_debug, "if set, signal lock is briefly waited on after setting params");

/* execute firmware command */
static int si2157_cmd_execute(struct i2c_client *client, struct si2157_cmd *cmd)
{
	struct si2157_dev *dev = i2c_get_clientdata(client);
	int ret;

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github.com

tbsdtv/linux_media/blob/latest/drivers/media/tuners/si2157.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Silicon Labs Si2146/2147/2148/2157/2158 silicon tuner driver
 *
 * Copyright (C) 2014 Antti Palosaari <crope@iki.fi>
 */

#ifndef SI2157_H
#define SI2157_H

#include <media/media-device.h>
#include <media/dvb_frontend.h>

/**
 * struct si2157_config - configuration parameters for si2157
 *
 * @fe:
 *	frontend returned by driver
 * @mdev:
 *	media device returned by driver

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DVB-S/S2 satellite tuner RDA5816SD

github.com

xuzemin/mstar/blob/master/Chakra3_017a0d6_20170731/device/tuner/RDA5815M/RDA5815M.c

#include <math.h>
#include "MsCommon.h"
#include "drvIIC.h"
#include "Board.h"
#include "RDA5815M.h"


#define RDA5815M_SLA            0x18
#define RDA5815Sleep(x) MsOS_DelayTask(x)

typedef struct
{
    float    LvdBm;
    MS_U16 u16_if_agc;
}S_RSSI_TABLE;

static S_RSSI_TABLE ssi_rda5815m[]=
{
{-95.0,0xFB00},
{-90.0,0xF8AC},

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github.com

xuzemin/mstar/blob/master/Chakra3_017a0d6_20170731/device/tuner/RDA5815M/RDA5815M.h

#ifndef _DRVTUNER_RDA5815M_H_
#define _DRVTUNER_RDA5815M_H_
MS_BOOL MDrv_Tuner_SetFreq(MS_U16 u16CenterFreq, MS_U32 u32SymbolRate_Hz);
MS_BOOL MDrv_Tuner_Initial(void);
#endif

https://onlinedisassembler.com/odaweb/igcmzg61