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