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Based on 1 normalized pattern(s): 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 to obtain the license point your browser to http www gnu org copyleft gpl html extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 26 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190523091650.572604764@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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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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* 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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