linux/drivers/media/dvb/mantis/mantis_vp1034.c

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/*
Mantis VP-1034 driver
Copyright (C) 2005, 2006 Manu Abraham (abraham.manu@gmail.com)
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 "mantis_common.h"
#include "mantis_vp1034.h"
struct mb86a16_config vp1034_config = {
.demod_address = 0x08,
.set_voltage = vp1034_set_voltage,
};
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:
mmwrite((mmread(MANTIS_GPIF_ADDR)) | voltage, MANTIS_GPIF_ADDR);
dprintk(verbose, MANTIS_ERROR, 1, "Polarization=[13V]");
break;
case SEC_VOLTAGE_18:
mmwrite((mmread(MANTIS_GPIF_ADDR)) & voltage, MANTIS_GPIF_ADDR);
dprintk(verbose, MANTIS_ERROR, 1, "Polarization=[18V]");
break;
case SEC_VOLTAGE_OFF:
dprintk(verbose, MANTIS_ERROR, 1, "Frontend (dummy) POWERDOWN");
break;
default:
dprintk(verbose, MANTIS_ERROR, 1, "Invalid = (%d)", (u32 ) voltage);
return -EINVAL;
}
mmwrite(0x00, MANTIS_GPIF_DOUT);
return 0;
}