2009-01-13 00:40:36 -07:00
|
|
|
/*
|
2010-03-11 19:50:51 -07:00
|
|
|
* Support for LG Electronics LGDT3304 and LGDT3305 - VSB/QAM
|
2009-01-13 00:40:36 -07:00
|
|
|
*
|
2010-03-11 20:58:12 -07:00
|
|
|
* Copyright (C) 2008, 2009, 2010 Michael Krufky <mkrufky@linuxtv.org>
|
2009-01-13 00:40:36 -07:00
|
|
|
*
|
|
|
|
* 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.
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
|
|
|
|
#ifndef _LGDT3305_H_
|
|
|
|
#define _LGDT3305_H_
|
|
|
|
|
|
|
|
#include <linux/i2c.h>
|
2017-12-28 11:03:51 -07:00
|
|
|
#include <media/dvb_frontend.h>
|
2009-01-13 00:40:36 -07:00
|
|
|
|
|
|
|
|
|
|
|
enum lgdt3305_mpeg_mode {
|
|
|
|
LGDT3305_MPEG_PARALLEL = 0,
|
|
|
|
LGDT3305_MPEG_SERIAL = 1,
|
|
|
|
};
|
|
|
|
|
|
|
|
enum lgdt3305_tp_clock_edge {
|
|
|
|
LGDT3305_TPCLK_RISING_EDGE = 0,
|
|
|
|
LGDT3305_TPCLK_FALLING_EDGE = 1,
|
|
|
|
};
|
|
|
|
|
2014-12-21 14:54:50 -07:00
|
|
|
enum lgdt3305_tp_clock_mode {
|
|
|
|
LGDT3305_TPCLK_GATED = 0,
|
|
|
|
LGDT3305_TPCLK_FIXED = 1,
|
|
|
|
};
|
|
|
|
|
2009-01-13 00:40:36 -07:00
|
|
|
enum lgdt3305_tp_valid_polarity {
|
|
|
|
LGDT3305_TP_VALID_LOW = 0,
|
|
|
|
LGDT3305_TP_VALID_HIGH = 1,
|
|
|
|
};
|
|
|
|
|
V4L/DVB: dvb: add lgdt3304 support to lgdt3305 driver
There's a currently-unused lgdt3304 demod driver, which leaves a lot to
be desired as far as functionality. The 3304 is unsurprisingly quite
similar to the 3305, and empirical testing yeilds far better results
and more complete functionality by merging 3304 support into the 3305
driver. (For example, the current lgdt3304 driver lacks support for
signal strength, snr, ucblocks, etc., which we get w/the lgdt3305).
For the moment, not dropping the lgdt3304 driver, and its still up to
a given device's config setup to choose which demod driver to use, but
I'd suggest dropping the 3304 driver entirely.
As a follow-up to this patch, I've got another patch that adds support
for the KWorld PlusTV 340U (ATSC) em2870-based tuner stick, driving
its lgdt3304 demod via this lgdt3305 driver, which is what I used to
successfully test this patch with both VSB_8 and QAM_256 signals.
A few pieces are still a touch crude, but I think its a solid start,
as well as much cleaner and more feature-complete than the existing
lgdt3304 driver.
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-03-07 13:20:03 -07:00
|
|
|
enum lgdt_demod_chip_type {
|
|
|
|
LGDT3305 = 0,
|
|
|
|
LGDT3304 = 1,
|
|
|
|
};
|
|
|
|
|
2009-01-13 00:40:36 -07:00
|
|
|
struct lgdt3305_config {
|
|
|
|
u8 i2c_addr;
|
|
|
|
|
|
|
|
/* user defined IF frequency in KHz */
|
|
|
|
u16 qam_if_khz;
|
|
|
|
u16 vsb_if_khz;
|
|
|
|
|
|
|
|
/* AGC Power reference - defaults are used if left unset */
|
|
|
|
u16 usref_8vsb; /* default: 0x32c4 */
|
|
|
|
u16 usref_qam64; /* default: 0x5400 */
|
|
|
|
u16 usref_qam256; /* default: 0x2a80 */
|
|
|
|
|
|
|
|
/* disable i2c repeater - 0:repeater enabled 1:repeater disabled */
|
2009-12-15 15:28:35 -07:00
|
|
|
unsigned int deny_i2c_rptr:1;
|
2009-01-13 00:40:36 -07:00
|
|
|
|
|
|
|
/* spectral inversion - 0:disabled 1:enabled */
|
2009-12-15 15:28:35 -07:00
|
|
|
unsigned int spectral_inversion:1;
|
2009-01-13 00:40:36 -07:00
|
|
|
|
|
|
|
/* use RF AGC loop - 0:disabled 1:enabled */
|
2009-12-15 15:28:35 -07:00
|
|
|
unsigned int rf_agc_loop:1;
|
2009-01-13 00:40:36 -07:00
|
|
|
|
|
|
|
enum lgdt3305_mpeg_mode mpeg_mode;
|
|
|
|
enum lgdt3305_tp_clock_edge tpclk_edge;
|
2014-12-21 14:54:50 -07:00
|
|
|
enum lgdt3305_tp_clock_mode tpclk_mode;
|
2009-01-13 00:40:36 -07:00
|
|
|
enum lgdt3305_tp_valid_polarity tpvalid_polarity;
|
V4L/DVB: dvb: add lgdt3304 support to lgdt3305 driver
There's a currently-unused lgdt3304 demod driver, which leaves a lot to
be desired as far as functionality. The 3304 is unsurprisingly quite
similar to the 3305, and empirical testing yeilds far better results
and more complete functionality by merging 3304 support into the 3305
driver. (For example, the current lgdt3304 driver lacks support for
signal strength, snr, ucblocks, etc., which we get w/the lgdt3305).
For the moment, not dropping the lgdt3304 driver, and its still up to
a given device's config setup to choose which demod driver to use, but
I'd suggest dropping the 3304 driver entirely.
As a follow-up to this patch, I've got another patch that adds support
for the KWorld PlusTV 340U (ATSC) em2870-based tuner stick, driving
its lgdt3304 demod via this lgdt3305 driver, which is what I used to
successfully test this patch with both VSB_8 and QAM_256 signals.
A few pieces are still a touch crude, but I think its a solid start,
as well as much cleaner and more feature-complete than the existing
lgdt3304 driver.
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-03-07 13:20:03 -07:00
|
|
|
enum lgdt_demod_chip_type demod_chip;
|
2009-01-13 00:40:36 -07:00
|
|
|
};
|
|
|
|
|
2015-02-18 10:12:42 -07:00
|
|
|
#if IS_REACHABLE(CONFIG_DVB_LGDT3305)
|
2009-01-13 00:40:36 -07:00
|
|
|
extern
|
|
|
|
struct dvb_frontend *lgdt3305_attach(const struct lgdt3305_config *config,
|
|
|
|
struct i2c_adapter *i2c_adap);
|
|
|
|
#else
|
|
|
|
static inline
|
|
|
|
struct dvb_frontend *lgdt3305_attach(const struct lgdt3305_config *config,
|
|
|
|
struct i2c_adapter *i2c_adap)
|
|
|
|
{
|
|
|
|
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
#endif /* CONFIG_DVB_LGDT3305 */
|
|
|
|
|
|
|
|
#endif /* _LGDT3305_H_ */
|