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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hopper_vp3028.c (1704B)

      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3	Hopper VP-3028 driver
      4
      5	Copyright (C) Manu Abraham (abraham.manu@gmail.com)
      6
      7*/
      8
      9#include <linux/signal.h>
     10#include <linux/sched.h>
     11#include <linux/interrupt.h>
     12
     13#include <media/dmxdev.h>
     14#include <media/dvbdev.h>
     15#include <media/dvb_demux.h>
     16#include <media/dvb_frontend.h>
     17#include <media/dvb_net.h>
     18
     19#include "zl10353.h"
     20#include "mantis_common.h"
     21#include "mantis_ioc.h"
     22#include "mantis_dvb.h"
     23#include "hopper_vp3028.h"
     24
     25static struct zl10353_config hopper_vp3028_config = {
     26	.demod_address	= 0x0f,
     27};
     28
     29#define MANTIS_MODEL_NAME	"VP-3028"
     30#define MANTIS_DEV_TYPE		"DVB-T"
     31
     32static int vp3028_frontend_init(struct mantis_pci *mantis, struct dvb_frontend *fe)
     33{
     34	struct i2c_adapter *adapter	= &mantis->adapter;
     35	struct mantis_hwconfig *config	= mantis->hwconfig;
     36	int err;
     37
     38	mantis_gpio_set_bits(mantis, config->reset, 0);
     39	msleep(100);
     40	err = mantis_frontend_power(mantis, POWER_ON);
     41	msleep(100);
     42	mantis_gpio_set_bits(mantis, config->reset, 1);
     43
     44	err = mantis_frontend_power(mantis, POWER_ON);
     45	if (err == 0) {
     46		msleep(250);
     47		dprintk(MANTIS_ERROR, 1, "Probing for 10353 (DVB-T)");
     48		fe = dvb_attach(zl10353_attach, &hopper_vp3028_config, adapter);
     49
     50		if (!fe)
     51			return -1;
     52	} else {
     53		dprintk(MANTIS_ERROR, 1, "Frontend on <%s> POWER ON failed! <%d>",
     54			adapter->name,
     55			err);
     56
     57		return -EIO;
     58	}
     59	dprintk(MANTIS_ERROR, 1, "Done!");
     60
     61	return 0;
     62}
     63
     64struct mantis_hwconfig vp3028_config = {
     65	.model_name	= MANTIS_MODEL_NAME,
     66	.dev_type	= MANTIS_DEV_TYPE,
     67	.ts_size	= MANTIS_TS_188,
     68
     69	.baud_rate	= MANTIS_BAUD_9600,
     70	.parity		= MANTIS_PARITY_NONE,
     71	.bytes		= 0,
     72
     73	.frontend_init	= vp3028_frontend_init,
     74	.power		= GPIF_A00,
     75	.reset		= GPIF_A03,
     76};