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
11 MODULE_DESCRIPTION("Common methods for DIB3000MC");
12 MODULE_LICENSE("GPL");
13
14 /* 3000MC/P stuff */
15 // Config Adjacent channels Perf -cal22
16 static struct dibx000_agc_config dib3000p_mt2060_agc_config = {
17 .band_caps = BAND_VHF | BAND_UHF,
18 .setup = (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0),
19
20 .agc1_max = 48497,
21 .agc1_min = 23593,
22 .agc2_max = 46531,
23 .agc2_min = 24904,
24
25 .agc1_pt1 = 0x65,
26 .agc1_pt2 = 0x69,
27
28 .agc1_slope1 = 0x51,
29 .agc1_slope2 = 0x27,
30
31 .agc2_pt1 = 0,
32 .agc2_pt2 = 0x33,
33
34 .agc2_slope1 = 0x35,
35 .agc2_slope2 = 0x37,
36 };
37
38 static struct dib3000mc_config stk3000p_dib3000p_config = {
39 &dib3000p_mt2060_agc_config,
40
41 .max_time = 0x196,
42 .ln_adc_level = 0x1cc7,
43
44 .output_mpeg2_in_188_bytes = 1,
45
46 .agc_command1 = 1,
47 .agc_command2 = 1,
48 };
49
50 static struct dibx000_agc_config dib3000p_panasonic_agc_config = {
51 .band_caps = BAND_VHF | BAND_UHF,
52 .setup = (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0),
53
54 .agc1_max = 56361,
55 .agc1_min = 22282,
56 .agc2_max = 47841,
57 .agc2_min = 36045,
58
59 .agc1_pt1 = 0x3b,
60 .agc1_pt2 = 0x6b,
61
62 .agc1_slope1 = 0x55,
63 .agc1_slope2 = 0x1d,
64
65 .agc2_pt1 = 0,
66 .agc2_pt2 = 0x0a,
67
68 .agc2_slope1 = 0x95,
69 .agc2_slope2 = 0x1e,
70 };
71
72 static struct dib3000mc_config mod3000p_dib3000p_config = {
73 &dib3000p_panasonic_agc_config,
74
75 .max_time = 0x51,
76 .ln_adc_level = 0x1cc7,
77
78 .output_mpeg2_in_188_bytes = 1,
79
80 .agc_command1 = 1,
81 .agc_command2 = 1,
82 };
83
dibusb_dib3000mc_frontend_attach(struct dvb_usb_adapter * adap)84 int dibusb_dib3000mc_frontend_attach(struct dvb_usb_adapter *adap)
85 {
86 if (le16_to_cpu(adap->dev->udev->descriptor.idVendor) == USB_VID_LITEON &&
87 le16_to_cpu(adap->dev->udev->descriptor.idProduct) ==
88 USB_PID_LITEON_DVB_T_WARM) {
89 msleep(1000);
90 }
91
92 adap->fe_adap[0].fe = dvb_attach(dib3000mc_attach,
93 &adap->dev->i2c_adap,
94 DEFAULT_DIB3000P_I2C_ADDRESS,
95 &mod3000p_dib3000p_config);
96 if ((adap->fe_adap[0].fe) == NULL)
97 adap->fe_adap[0].fe = dvb_attach(dib3000mc_attach,
98 &adap->dev->i2c_adap,
99 DEFAULT_DIB3000MC_I2C_ADDRESS,
100 &mod3000p_dib3000p_config);
101 if ((adap->fe_adap[0].fe) != NULL) {
102 if (adap->priv != NULL) {
103 struct dibusb_state *st = adap->priv;
104 st->ops.pid_parse = dib3000mc_pid_parse;
105 st->ops.pid_ctrl = dib3000mc_pid_control;
106 }
107 return 0;
108 }
109 return -ENODEV;
110 }
111 EXPORT_SYMBOL(dibusb_dib3000mc_frontend_attach);
112
113 static struct mt2060_config stk3000p_mt2060_config = {
114 0x60
115 };
116
dibusb_dib3000mc_tuner_attach(struct dvb_usb_adapter * adap)117 int dibusb_dib3000mc_tuner_attach(struct dvb_usb_adapter *adap)
118 {
119 struct dibusb_state *st = adap->priv;
120 u8 a,b;
121 u16 if1 = 1220;
122 struct i2c_adapter *tun_i2c;
123
124 // First IF calibration for Liteon Sticks
125 if (le16_to_cpu(adap->dev->udev->descriptor.idVendor) == USB_VID_LITEON &&
126 le16_to_cpu(adap->dev->udev->descriptor.idProduct) == USB_PID_LITEON_DVB_T_WARM) {
127
128 dibusb_read_eeprom_byte(adap->dev,0x7E,&a);
129 dibusb_read_eeprom_byte(adap->dev,0x7F,&b);
130
131 if (a == 0x00)
132 if1 += b;
133 else if (a == 0x80)
134 if1 -= b;
135 else
136 warn("LITE-ON DVB-T: Strange IF1 calibration :%2X %2X\n", a, b);
137
138 } else if (le16_to_cpu(adap->dev->udev->descriptor.idVendor) == USB_VID_DIBCOM &&
139 le16_to_cpu(adap->dev->udev->descriptor.idProduct) == USB_PID_DIBCOM_MOD3001_WARM) {
140 u8 desc;
141 dibusb_read_eeprom_byte(adap->dev, 7, &desc);
142 if (desc == 2) {
143 a = 127;
144 do {
145 dibusb_read_eeprom_byte(adap->dev, a, &desc);
146 a--;
147 } while (a > 7 && (desc == 0xff || desc == 0x00));
148 if (desc & 0x80)
149 if1 -= (0xff - desc);
150 else
151 if1 += desc;
152 }
153 }
154
155 tun_i2c = dib3000mc_get_tuner_i2c_master(adap->fe_adap[0].fe, 1);
156 if (dvb_attach(mt2060_attach, adap->fe_adap[0].fe, tun_i2c, &stk3000p_mt2060_config, if1) == NULL) {
157 /* not found - use panasonic pll parameters */
158 if (dvb_attach(dvb_pll_attach, adap->fe_adap[0].fe, 0x60, tun_i2c, DVB_PLL_ENV57H1XD5) == NULL)
159 return -ENOMEM;
160 } else {
161 st->mt2060_present = 1;
162 /* set the correct parameters for the dib3000p */
163 dib3000mc_set_config(adap->fe_adap[0].fe, &stk3000p_dib3000p_config);
164 }
165 return 0;
166 }
167 EXPORT_SYMBOL(dibusb_dib3000mc_tuner_attach);
168