drivers/media/usb/dvb-usb/dibusb-mc-common.c

   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);