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_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);