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

   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);