1 /* Common methods for dibusb-based-receivers.
2  *
3  * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de)
4  *
5  *	This program is free software; you can redistribute it and/or modify it
6  *	under the terms of the GNU General Public License as published by the Free
7  *	Software Foundation, version 2.
8  *
9  * see Documentation/media/dvb-drivers/dvb-usb.rst for more information
10  */
11 
12 #include "dibusb.h"
13 
14 MODULE_LICENSE("GPL");
15 
16 /* 3000MC/P stuff */
17 // Config Adjacent channels  Perf -cal22
18 static struct dibx000_agc_config dib3000p_mt2060_agc_config = {
19 	.band_caps = BAND_VHF | BAND_UHF,
20 	.setup     = (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0),
21 
22 	.agc1_max = 48497,
23 	.agc1_min = 23593,
24 	.agc2_max = 46531,
25 	.agc2_min = 24904,
26 
27 	.agc1_pt1 = 0x65,
28 	.agc1_pt2 = 0x69,
29 
30 	.agc1_slope1 = 0x51,
31 	.agc1_slope2 = 0x27,
32 
33 	.agc2_pt1 = 0,
34 	.agc2_pt2 = 0x33,
35 
36 	.agc2_slope1 = 0x35,
37 	.agc2_slope2 = 0x37,
38 };
39 
40 static struct dib3000mc_config stk3000p_dib3000p_config = {
41 	&dib3000p_mt2060_agc_config,
42 
43 	.max_time     = 0x196,
44 	.ln_adc_level = 0x1cc7,
45 
46 	.output_mpeg2_in_188_bytes = 1,
47 
48 	.agc_command1 = 1,
49 	.agc_command2 = 1,
50 };
51 
52 static struct dibx000_agc_config dib3000p_panasonic_agc_config = {
53 	.band_caps = BAND_VHF | BAND_UHF,
54 	.setup     = (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0),
55 
56 	.agc1_max = 56361,
57 	.agc1_min = 22282,
58 	.agc2_max = 47841,
59 	.agc2_min = 36045,
60 
61 	.agc1_pt1 = 0x3b,
62 	.agc1_pt2 = 0x6b,
63 
64 	.agc1_slope1 = 0x55,
65 	.agc1_slope2 = 0x1d,
66 
67 	.agc2_pt1 = 0,
68 	.agc2_pt2 = 0x0a,
69 
70 	.agc2_slope1 = 0x95,
71 	.agc2_slope2 = 0x1e,
72 };
73 
74 static struct dib3000mc_config mod3000p_dib3000p_config = {
75 	&dib3000p_panasonic_agc_config,
76 
77 	.max_time     = 0x51,
78 	.ln_adc_level = 0x1cc7,
79 
80 	.output_mpeg2_in_188_bytes = 1,
81 
82 	.agc_command1 = 1,
83 	.agc_command2 = 1,
84 };
85 
86 int dibusb_dib3000mc_frontend_attach(struct dvb_usb_adapter *adap)
87 {
88 	if (le16_to_cpu(adap->dev->udev->descriptor.idVendor) == USB_VID_LITEON &&
89 	    le16_to_cpu(adap->dev->udev->descriptor.idProduct) ==
90 			USB_PID_LITEON_DVB_T_WARM) {
91 		msleep(1000);
92 	}
93 
94 	adap->fe_adap[0].fe = dvb_attach(dib3000mc_attach,
95 					 &adap->dev->i2c_adap,
96 					 DEFAULT_DIB3000P_I2C_ADDRESS,
97 					 &mod3000p_dib3000p_config);
98 	if ((adap->fe_adap[0].fe) == NULL)
99 		adap->fe_adap[0].fe = dvb_attach(dib3000mc_attach,
100 						 &adap->dev->i2c_adap,
101 						 DEFAULT_DIB3000MC_I2C_ADDRESS,
102 						 &mod3000p_dib3000p_config);
103 	if ((adap->fe_adap[0].fe) != NULL) {
104 		if (adap->priv != NULL) {
105 			struct dibusb_state *st = adap->priv;
106 			st->ops.pid_parse = dib3000mc_pid_parse;
107 			st->ops.pid_ctrl  = dib3000mc_pid_control;
108 		}
109 		return 0;
110 	}
111 	return -ENODEV;
112 }
113 EXPORT_SYMBOL(dibusb_dib3000mc_frontend_attach);
114 
115 static struct mt2060_config stk3000p_mt2060_config = {
116 	0x60
117 };
118 
119 int dibusb_dib3000mc_tuner_attach(struct dvb_usb_adapter *adap)
120 {
121 	struct dibusb_state *st = adap->priv;
122 	u8 a,b;
123 	u16 if1 = 1220;
124 	struct i2c_adapter *tun_i2c;
125 
126 	// First IF calibration for Liteon Sticks
127 	if (le16_to_cpu(adap->dev->udev->descriptor.idVendor) == USB_VID_LITEON &&
128 	    le16_to_cpu(adap->dev->udev->descriptor.idProduct) == USB_PID_LITEON_DVB_T_WARM) {
129 
130 		dibusb_read_eeprom_byte(adap->dev,0x7E,&a);
131 		dibusb_read_eeprom_byte(adap->dev,0x7F,&b);
132 
133 		if (a == 0x00)
134 			if1 += b;
135 		else if (a == 0x80)
136 			if1 -= b;
137 		else
138 			warn("LITE-ON DVB-T: Strange IF1 calibration :%2X %2X\n", a, b);
139 
140 	} else if (le16_to_cpu(adap->dev->udev->descriptor.idVendor) == USB_VID_DIBCOM &&
141 		   le16_to_cpu(adap->dev->udev->descriptor.idProduct) == USB_PID_DIBCOM_MOD3001_WARM) {
142 		u8 desc;
143 		dibusb_read_eeprom_byte(adap->dev, 7, &desc);
144 		if (desc == 2) {
145 			a = 127;
146 			do {
147 				dibusb_read_eeprom_byte(adap->dev, a, &desc);
148 				a--;
149 			} while (a > 7 && (desc == 0xff || desc == 0x00));
150 			if (desc & 0x80)
151 				if1 -= (0xff - desc);
152 			else
153 				if1 += desc;
154 		}
155 	}
156 
157 	tun_i2c = dib3000mc_get_tuner_i2c_master(adap->fe_adap[0].fe, 1);
158 	if (dvb_attach(mt2060_attach, adap->fe_adap[0].fe, tun_i2c, &stk3000p_mt2060_config, if1) == NULL) {
159 		/* not found - use panasonic pll parameters */
160 		if (dvb_attach(dvb_pll_attach, adap->fe_adap[0].fe, 0x60, tun_i2c, DVB_PLL_ENV57H1XD5) == NULL)
161 			return -ENOMEM;
162 	} else {
163 		st->mt2060_present = 1;
164 		/* set the correct parameters for the dib3000p */
165 		dib3000mc_set_config(adap->fe_adap[0].fe, &stk3000p_dib3000p_config);
166 	}
167 	return 0;
168 }
169 EXPORT_SYMBOL(dibusb_dib3000mc_tuner_attach);
170