991ce92f8d
While https was always supported on linuxtv.org, only in Dec 3 2015 the website is using valid certificates. As we're planning to drop pure http support on some future, change all references at the media subsystem to point to the https URL instead. Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
75 lines
2.2 KiB
C
75 lines
2.2 KiB
C
/*
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* tdhd1.h - ALPS TDHD1-204A tuner support
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*
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* Copyright (C) 2008 Oliver Endriss <o.endriss@gmx.de>
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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* Or, point your browser to http://www.gnu.org/copyleft/gpl.html
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*
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*
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* The project's page is at https://linuxtv.org
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*/
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#ifndef TDHD1_H
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#define TDHD1_H
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#include "tda1004x.h"
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static int alps_tdhd1_204_request_firmware(struct dvb_frontend *fe, const struct firmware **fw, char *name);
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static struct tda1004x_config alps_tdhd1_204a_config = {
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.demod_address = 0x8,
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.invert = 1,
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.invert_oclk = 0,
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.xtal_freq = TDA10046_XTAL_4M,
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.agc_config = TDA10046_AGC_DEFAULT,
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.if_freq = TDA10046_FREQ_3617,
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.request_firmware = alps_tdhd1_204_request_firmware
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};
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static int alps_tdhd1_204a_tuner_set_params(struct dvb_frontend *fe)
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{
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struct dtv_frontend_properties *p = &fe->dtv_property_cache;
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struct i2c_adapter *i2c = fe->tuner_priv;
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u8 data[4];
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struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };
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u32 div;
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div = (p->frequency + 36166666) / 166666;
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data[0] = (div >> 8) & 0x7f;
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data[1] = div & 0xff;
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data[2] = 0x85;
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if (p->frequency >= 174000000 && p->frequency <= 230000000)
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data[3] = 0x02;
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else if (p->frequency >= 470000000 && p->frequency <= 823000000)
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data[3] = 0x0C;
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else if (p->frequency > 823000000 && p->frequency <= 862000000)
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data[3] = 0x8C;
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else
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return -EINVAL;
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if (fe->ops.i2c_gate_ctrl)
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fe->ops.i2c_gate_ctrl(fe, 1);
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if (i2c_transfer(i2c, &msg, 1) != 1)
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return -EIO;
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return 0;
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}
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#endif /* TDHD1_H */
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