1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * xc2028
4 *
5 * Copyright (c) 2007-2008 Mauro Carvalho Chehab <mchehab@kernel.org>
6 */
7
8#ifndef __TUNER_XC2028_H__
9#define __TUNER_XC2028_H__
10
11#include <media/dvb_frontend.h>
12
13#define XC2028_DEFAULT_FIRMWARE "xc3028-v27.fw"
14#define XC3028L_DEFAULT_FIRMWARE "xc3028L-v36.fw"
15
16/* Dmoduler IF (kHz) */
17#define XC3028_FE_DEFAULT 0 /* Don't load SCODE */
18#define XC3028_FE_LG60 6000
19#define XC3028_FE_ATI638 6380
20#define XC3028_FE_OREN538 5380
21#define XC3028_FE_OREN36 3600
22#define XC3028_FE_TOYOTA388 3880
23#define XC3028_FE_TOYOTA794 7940
24#define XC3028_FE_DIBCOM52 5200
25#define XC3028_FE_ZARLINK456 4560
26#define XC3028_FE_CHINA 5200
27
28enum firmware_type {
29 XC2028_AUTO = 0, /* By default, auto-detects */
30 XC2028_D2633,
31 XC2028_D2620,
32};
33
34struct xc2028_ctrl {
35 char *fname;
36 int max_len;
37 int msleep;
38 unsigned int scode_table;
39 unsigned int mts :1;
40 unsigned int input1:1;
41 unsigned int vhfbw7:1;
42 unsigned int uhfbw8:1;
43 unsigned int disable_power_mgmt:1;
44 unsigned int read_not_reliable:1;
45 unsigned int demod;
46 enum firmware_type type:2;
47};
48
49struct xc2028_config {
50 struct i2c_adapter *i2c_adap;
51 u8 i2c_addr;
52 struct xc2028_ctrl *ctrl;
53};
54
55/* xc2028 commands for callback */
56#define XC2028_TUNER_RESET 0
57#define XC2028_RESET_CLK 1
58#define XC2028_I2C_FLUSH 2
59
60#if IS_REACHABLE(CONFIG_MEDIA_TUNER_XC2028)
61extern struct dvb_frontend *xc2028_attach(struct dvb_frontend *fe,
62 struct xc2028_config *cfg);
63#else
64static inline struct dvb_frontend *xc2028_attach(struct dvb_frontend *fe,
65 struct xc2028_config *cfg)
66{
67 printk(KERN_INFO "%s: not probed - driver disabled by Kconfig\n",
68 __func__);
69 return NULL;
70}
71#endif
72
73#endif /* __TUNER_XC2028_H__ */
74

source code of linux/drivers/media/tuners/xc2028.h