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_LICENSE("GPL"); 12 13 /* 3000MC/P stuff */ 14 // Config Adjacent channels Perf -cal22 15 static 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 37 static 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 49 static 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 71 static 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 83 int 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(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 } 110 EXPORT_SYMBOL(dibusb_dib3000mc_frontend_attach); 111 112 static struct mt2060_config stk3000p_mt2060_config = { 113 0x60 114 }; 115 116 int 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(adap->fe_adap[0].fe, 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 } 166 EXPORT_SYMBOL(dibusb_dib3000mc_tuner_attach); 167