1// SPDX-License-Identifier: GPL-2.0-only
2/* Common methods for dibusb-based-receivers.
3 *
4 * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de)
5 *
6 * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
7 */
8
9#include "dibusb.h"
10
11MODULE_LICENSE("GPL");
12
13/* 3000MC/P stuff */
14// Config Adjacent channels Perf -cal22
15static struct dibx000_agc_config dib3000p_mt2060_agc_config = {
16 .band_caps = BAND_VHF | BAND_UHF,
17 .setup = (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0),
18
19 .agc1_max = 48497,
20 .agc1_min = 23593,
21 .agc2_max = 46531,
22 .agc2_min = 24904,
23
24 .agc1_pt1 = 0x65,
25 .agc1_pt2 = 0x69,
26
27 .agc1_slope1 = 0x51,
28 .agc1_slope2 = 0x27,
29
30 .agc2_pt1 = 0,
31 .agc2_pt2 = 0x33,
32
33 .agc2_slope1 = 0x35,
34 .agc2_slope2 = 0x37,
35};
36
37static struct dib3000mc_config stk3000p_dib3000p_config = {
38 &dib3000p_mt2060_agc_config,
39
40 .max_time = 0x196,
41 .ln_adc_level = 0x1cc7,
42
43 .output_mpeg2_in_188_bytes = 1,
44
45 .agc_command1 = 1,
46 .agc_command2 = 1,
47};
48
49static struct dibx000_agc_config dib3000p_panasonic_agc_config = {
50 .band_caps = BAND_VHF | BAND_UHF,
51 .setup = (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0),
52
53 .agc1_max = 56361,
54 .agc1_min = 22282,
55 .agc2_max = 47841,
56 .agc2_min = 36045,
57
58 .agc1_pt1 = 0x3b,
59 .agc1_pt2 = 0x6b,
60
61 .agc1_slope1 = 0x55,
62 .agc1_slope2 = 0x1d,
63
64 .agc2_pt1 = 0,
65 .agc2_pt2 = 0x0a,
66
67 .agc2_slope1 = 0x95,
68 .agc2_slope2 = 0x1e,
69};
70
71static struct dib3000mc_config mod3000p_dib3000p_config = {
72 &dib3000p_panasonic_agc_config,
73
74 .max_time = 0x51,
75 .ln_adc_level = 0x1cc7,
76
77 .output_mpeg2_in_188_bytes = 1,
78
79 .agc_command1 = 1,
80 .agc_command2 = 1,
81};
82
83int dibusb_dib3000mc_frontend_attach(struct dvb_usb_adapter *adap)
84{
85 if (le16_to_cpu(adap->dev->udev->descriptor.idVendor) == USB_VID_LITEON &&
86 le16_to_cpu(adap->dev->udev->descriptor.idProduct) ==
87 USB_PID_LITEON_DVB_T_WARM) {
88 msleep(msecs: 1000);
89 }
90
91 adap->fe_adap[0].fe = dvb_attach(dib3000mc_attach,
92 &adap->dev->i2c_adap,
93 DEFAULT_DIB3000P_I2C_ADDRESS,
94 &mod3000p_dib3000p_config);
95 if ((adap->fe_adap[0].fe) == NULL)
96 adap->fe_adap[0].fe = dvb_attach(dib3000mc_attach,
97 &adap->dev->i2c_adap,
98 DEFAULT_DIB3000MC_I2C_ADDRESS,
99 &mod3000p_dib3000p_config);
100 if ((adap->fe_adap[0].fe) != NULL) {
101 if (adap->priv != NULL) {
102 struct dibusb_state *st = adap->priv;
103 st->ops.pid_parse = dib3000mc_pid_parse;
104 st->ops.pid_ctrl = dib3000mc_pid_control;
105 }
106 return 0;
107 }
108 return -ENODEV;
109}
110EXPORT_SYMBOL(dibusb_dib3000mc_frontend_attach);
111
112static struct mt2060_config stk3000p_mt2060_config = {
113 0x60
114};
115
116int dibusb_dib3000mc_tuner_attach(struct dvb_usb_adapter *adap)
117{
118 struct dibusb_state *st = adap->priv;
119 u8 a,b;
120 u16 if1 = 1220;
121 struct i2c_adapter *tun_i2c;
122
123 // First IF calibration for Liteon Sticks
124 if (le16_to_cpu(adap->dev->udev->descriptor.idVendor) == USB_VID_LITEON &&
125 le16_to_cpu(adap->dev->udev->descriptor.idProduct) == USB_PID_LITEON_DVB_T_WARM) {
126
127 dibusb_read_eeprom_byte(adap->dev,0x7E,&a);
128 dibusb_read_eeprom_byte(adap->dev,0x7F,&b);
129
130 if (a == 0x00)
131 if1 += b;
132 else if (a == 0x80)
133 if1 -= b;
134 else
135 warn("LITE-ON DVB-T: Strange IF1 calibration :%2X %2X\n", a, b);
136
137 } else if (le16_to_cpu(adap->dev->udev->descriptor.idVendor) == USB_VID_DIBCOM &&
138 le16_to_cpu(adap->dev->udev->descriptor.idProduct) == USB_PID_DIBCOM_MOD3001_WARM) {
139 u8 desc;
140 dibusb_read_eeprom_byte(adap->dev, 7, &desc);
141 if (desc == 2) {
142 a = 127;
143 do {
144 dibusb_read_eeprom_byte(adap->dev, a, &desc);
145 a--;
146 } while (a > 7 && (desc == 0xff || desc == 0x00));
147 if (desc & 0x80)
148 if1 -= (0xff - desc);
149 else
150 if1 += desc;
151 }
152 }
153
154 tun_i2c = dib3000mc_get_tuner_i2c_master(demod: adap->fe_adap[0].fe, gating: 1);
155 if (dvb_attach(mt2060_attach, adap->fe_adap[0].fe, tun_i2c, &stk3000p_mt2060_config, if1) == NULL) {
156 /* not found - use panasonic pll parameters */
157 if (dvb_attach(dvb_pll_attach, adap->fe_adap[0].fe, 0x60, tun_i2c, DVB_PLL_ENV57H1XD5) == NULL)
158 return -ENOMEM;
159 } else {
160 st->mt2060_present = 1;
161 /* set the correct parameters for the dib3000p */
162 dib3000mc_set_config(adap->fe_adap[0].fe, &stk3000p_dib3000p_config);
163 }
164 return 0;
165}
166EXPORT_SYMBOL(dibusb_dib3000mc_tuner_attach);
167

source code of linux/drivers/media/usb/dvb-usb/dibusb-mc-common.c