mantis_vp1034.c

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/*
    Mantis VP-1034 driver

    Copyright (C) Manu Abraham ([email protected])

    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.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

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

#include "dmxdev.h"
#include "dvbdev.h"
#include "dvb_demux.h"
#include "dvb_frontend.h"
#include "dvb_net.h"

#include "mb86a16.h"
#include "mantis_common.h"
#include "mantis_ioc.h"
#include "mantis_dvb.h"
#include "mantis_vp1034.h"
#include "mantis_reg.h"

struct mb86a16_config vp1034_mb86a16_config = {
    .demod_address  = 0x08,
    .set_voltage    = vp1034_set_voltage,
};

#define MANTIS_MODEL_NAME   "VP-1034"
#define MANTIS_DEV_TYPE     "DVB-S/DSS"

int vp1034_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
{
    struct mantis_pci *mantis = fe->dvb->priv;

    switch (voltage) {
    case SEC_VOLTAGE_13:
        dprintk(MANTIS_ERROR, 1, "Polarization=[13V]");
        mantis_gpio_set_bits(mantis, 13, 1);
        mantis_gpio_set_bits(mantis, 14, 0);
        break;
    case SEC_VOLTAGE_18:
        dprintk(MANTIS_ERROR, 1, "Polarization=[18V]");
        mantis_gpio_set_bits(mantis, 13, 1);
        mantis_gpio_set_bits(mantis, 14, 1);
        break;
    case SEC_VOLTAGE_OFF:
        dprintk(MANTIS_ERROR, 1, "Frontend (dummy) POWERDOWN");
        break;
    default:
        dprintk(MANTIS_ERROR, 1, "Invalid = (%d)", (u32) voltage);
        return -EINVAL;
    }
    mmwrite(0x00, MANTIS_GPIF_DOUT);

    return 0;
}

static int vp1034_frontend_init(struct mantis_pci *mantis, struct dvb_frontend *fe)
{
    struct i2c_adapter *adapter = &mantis->adapter;

    int err = 0;

    err = mantis_frontend_power(mantis, POWER_ON);
    if (err == 0) {
        mantis_frontend_soft_reset(mantis);
        msleep(250);

        dprintk(MANTIS_ERROR, 1, "Probing for MB86A16 (DVB-S/DSS)");
        fe = dvb_attach(mb86a16_attach, &vp1034_mb86a16_config, adapter);
        if (fe) {
            dprintk(MANTIS_ERROR, 1,
            "found MB86A16 DVB-S/DSS frontend @0x%02x",
            vp1034_mb86a16_config.demod_address);

        } else {
            return -1;
        }
    } 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 vp1034_config = {
    .model_name = MANTIS_MODEL_NAME,
    .dev_type   = MANTIS_DEV_TYPE,
    .ts_size    = MANTIS_TS_204,

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

    .frontend_init  = vp1034_frontend_init,
    .power      = GPIF_A12,
    .reset      = GPIF_A13,
};