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 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 }; 116 117 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