2 * Support for LGDT3306A - 8VSB/QAM-B
4 * Copyright (C) 2013,2014 Fred Richter <frichter@hauppauge.com>
5 * based on lgdt3305.[ch] by Michael Krufky
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
21 #include <linux/i2c.h>
22 #include <media/dvb_frontend.h>
25 enum lgdt3306a_mpeg_mode
{
26 LGDT3306A_MPEG_PARALLEL
= 0,
27 LGDT3306A_MPEG_SERIAL
= 1,
30 enum lgdt3306a_tp_clock_edge
{
31 LGDT3306A_TPCLK_RISING_EDGE
= 0,
32 LGDT3306A_TPCLK_FALLING_EDGE
= 1,
35 enum lgdt3306a_tp_valid_polarity
{
36 LGDT3306A_TP_VALID_LOW
= 0,
37 LGDT3306A_TP_VALID_HIGH
= 1,
40 struct lgdt3306a_config
{
43 /* user defined IF frequency in KHz */
47 /* disable i2c repeater - 0:repeater enabled 1:repeater disabled */
48 unsigned int deny_i2c_rptr
:1;
50 /* spectral inversion - 0:disabled 1:enabled */
51 unsigned int spectral_inversion
:1;
53 enum lgdt3306a_mpeg_mode mpeg_mode
;
54 enum lgdt3306a_tp_clock_edge tpclk_edge
;
55 enum lgdt3306a_tp_valid_polarity tpvalid_polarity
;
57 /* demod clock freq in MHz; 24 or 25 supported */
60 /* returned by driver if using i2c bus multiplexing */
61 struct dvb_frontend
**fe
;
62 struct i2c_adapter
**i2c_adapter
;
65 #if IS_REACHABLE(CONFIG_DVB_LGDT3306A)
66 struct dvb_frontend
*lgdt3306a_attach(const struct lgdt3306a_config
*config
,
67 struct i2c_adapter
*i2c_adap
);
70 struct dvb_frontend
*lgdt3306a_attach(const struct lgdt3306a_config
*config
,
71 struct i2c_adapter
*i2c_adap
)
73 printk(KERN_WARNING
"%s: driver disabled by Kconfig\n", __func__
);
76 #endif /* CONFIG_DVB_LGDT3306A */
78 #endif /* _LGDT3306A_H_ */