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/dvb/README.dvb-usb for more information
  10  */
  11
  12 #include <linux/kconfig.h>
  13 #include "dibusb.h"
  14
  15 MODULE_LICENSE("GPL");
  16
  17 /* 3000MC/P stuff */
  18 // Config Adjacent channels  Perf -cal22
  19 static struct dibx000_agc_config dib3000p_mt2060_agc_config = {
  20         .band_caps = BAND_VHF | BAND_UHF,
  21         .setup     = (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0),
  22
  23         .agc1_max = 48497,
  24         .agc1_min = 23593,
  25         .agc2_max = 46531,
  26         .agc2_min = 24904,
  27
  28         .agc1_pt1 = 0x65,
  29         .agc1_pt2 = 0x69,
  30
  31         .agc1_slope1 = 0x51,
  32         .agc1_slope2 = 0x27,
  33
  34         .agc2_pt1 = 0,
  35         .agc2_pt2 = 0x33,
  36
  37         .agc2_slope1 = 0x35,
  38         .agc2_slope2 = 0x37,
  39 };
  40
  41 static struct dib3000mc_config stk3000p_dib3000p_config = {
  42         &dib3000p_mt2060_agc_config,
  43
  44         .max_time     = 0x196,
  45         .ln_adc_level = 0x1cc7,
  46
  47         .output_mpeg2_in_188_bytes = 1,
  48
  49         .agc_command1 = 1,
  50         .agc_command2 = 1,
  51 };
  52
  53 static struct dibx000_agc_config dib3000p_panasonic_agc_config = {
  54         .band_caps = BAND_VHF | BAND_UHF,
  55         .setup     = (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0),
  56
  57         .agc1_max = 56361,
  58         .agc1_min = 22282,
  59         .agc2_max = 47841,
  60         .agc2_min = 36045,
  61
  62         .agc1_pt1 = 0x3b,
  63         .agc1_pt2 = 0x6b,
  64
  65         .agc1_slope1 = 0x55,
  66         .agc1_slope2 = 0x1d,
  67
  68         .agc2_pt1 = 0,
  69         .agc2_pt2 = 0x0a,
  70
  71         .agc2_slope1 = 0x95,
  72         .agc2_slope2 = 0x1e,
  73 };
  74
  75 static struct dib3000mc_config mod3000p_dib3000p_config = {
  76         &dib3000p_panasonic_agc_config,
  77
  78         .max_time     = 0x51,
  79         .ln_adc_level = 0x1cc7,
  80
  81         .output_mpeg2_in_188_bytes = 1,
  82
  83         .agc_command1 = 1,
  84         .agc_command2 = 1,
  85 };
  86
  87 int dibusb_dib3000mc_frontend_attach(struct dvb_usb_adapter *adap)
  88 {
  89         if (le16_to_cpu(adap->dev->udev->descriptor.idVendor) == USB_VID_LITEON &&
  90             le16_to_cpu(adap->dev->udev->descriptor.idProduct) ==
  91                         USB_PID_LITEON_DVB_T_WARM) {
  92                 msleep(1000);
  93         }
  94
  95         adap->fe_adap[0].fe = dvb_attach(dib3000mc_attach,
  96                                          &adap->dev->i2c_adap,
  97                                          DEFAULT_DIB3000P_I2C_ADDRESS,
  98                                          &mod3000p_dib3000p_config);
  99         if ((adap->fe_adap[0].fe) == NULL)
 100                 adap->fe_adap[0].fe = dvb_attach(dib3000mc_attach,
 101                                                  &adap->dev->i2c_adap,
 102                                                  DEFAULT_DIB3000MC_I2C_ADDRESS,
 103                                                  &mod3000p_dib3000p_config);
 104         if ((adap->fe_adap[0].fe) != NULL) {
 105                 if (adap->priv != NULL) {
 106                         struct dibusb_state *st = adap->priv;
 107                         st->ops.pid_parse = dib3000mc_pid_parse;
 108                         st->ops.pid_ctrl  = dib3000mc_pid_control;
 109                 }
 110                 return 0;
 111         }
 112         return -ENODEV;
 113 }
 114 EXPORT_SYMBOL(dibusb_dib3000mc_frontend_attach);
 115
 116 static struct mt2060_config stk3000p_mt2060_config = {
 117         0x60
 118 };
 119
 120 int dibusb_dib3000mc_tuner_attach(struct dvb_usb_adapter *adap)
 121 {
 122         struct dibusb_state *st = adap->priv;
 123         u8 a,b;
 124         u16 if1 = 1220;
 125         struct i2c_adapter *tun_i2c;
 126
 127         // First IF calibration for Liteon Sticks
 128         if (le16_to_cpu(adap->dev->udev->descriptor.idVendor) == USB_VID_LITEON &&
 129             le16_to_cpu(adap->dev->udev->descriptor.idProduct) == USB_PID_LITEON_DVB_T_WARM) {
 130
 131                 dibusb_read_eeprom_byte(adap->dev,0x7E,&a);
 132                 dibusb_read_eeprom_byte(adap->dev,0x7F,&b);
 133
 134                 if (a == 0x00)
 135                         if1 += b;
 136                 else if (a == 0x80)
 137                         if1 -= b;
 138                 else
 139                         warn("LITE-ON DVB-T: Strange IF1 calibration :%2X %2X\n", a, b);
 140
 141         } else if (le16_to_cpu(adap->dev->udev->descriptor.idVendor) == USB_VID_DIBCOM &&
 142                    le16_to_cpu(adap->dev->udev->descriptor.idProduct) == USB_PID_DIBCOM_MOD3001_WARM) {
 143                 u8 desc;
 144                 dibusb_read_eeprom_byte(adap->dev, 7, &desc);
 145                 if (desc == 2) {
 146                         a = 127;
 147                         do {
 148                                 dibusb_read_eeprom_byte(adap->dev, a, &desc);
 149                                 a--;
 150                         } while (a > 7 && (desc == 0xff || desc == 0x00));
 151                         if (desc & 0x80)
 152                                 if1 -= (0xff - desc);
 153                         else
 154                                 if1 += desc;
 155                 }
 156         }
 157
 158         tun_i2c = dib3000mc_get_tuner_i2c_master(adap->fe_adap[0].fe, 1);
 159         if (dvb_attach(mt2060_attach, adap->fe_adap[0].fe, tun_i2c, &stk3000p_mt2060_config, if1) == NULL) {
 160                 /* not found - use panasonic pll parameters */
 161                 if (dvb_attach(dvb_pll_attach, adap->fe_adap[0].fe, 0x60, tun_i2c, DVB_PLL_ENV57H1XD5) == NULL)
 162                         return -ENOMEM;
 163         } else {
 164                 st->mt2060_present = 1;
 165                 /* set the correct parameters for the dib3000p */
 166                 dib3000mc_set_config(adap->fe_adap[0].fe, &stk3000p_dib3000p_config);
 167         }
 168         return 0;
 169 }
 170 EXPORT_SYMBOL(dibusb_dib3000mc_tuner_attach);