root/drivers/media/pci/mantis/mantis_vp3030.c
// SPDX-License-Identifier: GPL-2.0-or-later
/*
        Mantis VP-3030 driver

        Copyright (C) Manu Abraham (abraham.manu@gmail.com)

*/

#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/interrupt.h>

#include <media/dmxdev.h>
#include <media/dvbdev.h>
#include <media/dvb_demux.h>
#include <media/dvb_frontend.h>
#include <media/dvb_net.h>

#include "zl10353.h"
#include "tda665x.h"
#include "mantis_common.h"
#include "mantis_ioc.h"
#include "mantis_dvb.h"
#include "mantis_vp3030.h"

static struct zl10353_config mantis_vp3030_config = {
        .demod_address          = 0x0f,
};

static struct tda665x_config env57h12d5_config = {
        .name                   = "ENV57H12D5 (ET-50DT)",
        .addr                   = 0x60,
        .frequency_min          =  47 * MHz,
        .frequency_max          = 862 * MHz,
        .frequency_offst        =   3616667,
        .ref_multiplier         = 6, /* 1/6 MHz */
        .ref_divider            = 100000, /* 1/6 MHz */
};

#define MANTIS_MODEL_NAME       "VP-3030"
#define MANTIS_DEV_TYPE         "DVB-T"


static int vp3030_frontend_init(struct mantis_pci *mantis, struct dvb_frontend *fe)
{
        struct i2c_adapter *adapter     = &mantis->adapter;
        struct mantis_hwconfig *config  = mantis->hwconfig;
        int err = 0;

        mantis_gpio_set_bits(mantis, config->reset, 0);
        msleep(100);
        err = mantis_frontend_power(mantis, POWER_ON);
        msleep(100);
        mantis_gpio_set_bits(mantis, config->reset, 1);

        if (err == 0) {
                msleep(250);
                dprintk(MANTIS_ERROR, 1, "Probing for 10353 (DVB-T)");
                fe = dvb_attach(zl10353_attach, &mantis_vp3030_config, adapter);

                if (!fe)
                        return -1;

                dvb_attach(tda665x_attach, fe, &env57h12d5_config, adapter);
        } else {
                dprintk(MANTIS_ERROR, 1, "Frontend on <%s> POWER ON failed! <%d>",
                        adapter->name,
                        err);

                return -EIO;

        }
        mantis->fe = fe;
        dprintk(MANTIS_ERROR, 1, "Done!");

        return 0;
}

struct mantis_hwconfig vp3030_config = {
        .model_name     = MANTIS_MODEL_NAME,
        .dev_type       = MANTIS_DEV_TYPE,
        .ts_size        = MANTIS_TS_188,

        .baud_rate      = MANTIS_BAUD_9600,
        .parity         = MANTIS_PARITY_NONE,
        .bytes          = 0,

        .frontend_init  = vp3030_frontend_init,
        .power          = GPIF_A12,
        .reset          = GPIF_A13,

        .i2c_mode       = MANTIS_BYTE_MODE
};