drivers/media/common/b2c2/flexcop-misc.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
   4  * flexcop-misc.c - miscellaneous functions
   5  * see flexcop.c for copyright information
   6  */
   7 #include "flexcop.h"
   8
   9 void flexcop_determine_revision(struct flexcop_device *fc)
  10 {
  11         flexcop_ibi_value v = fc->read_ibi_reg(fc,misc_204);
  12
  13         switch (v.misc_204.Rev_N_sig_revision_hi) {
  14         case 0x2:
  15                 deb_info("found a FlexCopII.\n");
  16                 fc->rev = FLEXCOP_II;
  17                 break;
  18         case 0x3:
  19                 deb_info("found a FlexCopIIb.\n");
  20                 fc->rev = FLEXCOP_IIB;
  21                 break;
  22         case 0x0:
  23                 deb_info("found a FlexCopIII.\n");
  24                 fc->rev = FLEXCOP_III;
  25                 break;
  26         default:
  27                 err("unknown FlexCop Revision: %x. Please report this to linux-dvb@linuxtv.org.",
  28                                 v.misc_204.Rev_N_sig_revision_hi);
  29                 break;
  30         }
  31
  32         if ((fc->has_32_hw_pid_filter = v.misc_204.Rev_N_sig_caps))
  33                 deb_info("this FlexCop has the additional 32 hardware pid filter.\n");
  34         else
  35                 deb_info("this FlexCop has the 6 basic main hardware pid filter.\n");
  36         /* bus parts have to decide if hw pid filtering is used or not. */
  37 }
  38
  39 static const char *flexcop_revision_names[] = {
  40         "Unknown chip",
  41         "FlexCopII",
  42         "FlexCopIIb",
  43         "FlexCopIII",
  44 };
  45
  46 static const char *flexcop_device_names[] = {
  47         [FC_UNK]        = "Unknown device",
  48         [FC_CABLE]      = "Cable2PC/CableStar 2 DVB-C",
  49         [FC_AIR_DVBT]   = "Air2PC/AirStar 2 DVB-T",
  50         [FC_AIR_ATSC1]  = "Air2PC/AirStar 2 ATSC 1st generation",
  51         [FC_AIR_ATSC2]  = "Air2PC/AirStar 2 ATSC 2nd generation",
  52         [FC_AIR_ATSC3]  = "Air2PC/AirStar 2 ATSC 3rd generation (HD5000)",
  53         [FC_SKY_REV23]  = "Sky2PC/SkyStar 2 DVB-S rev 2.3 (old version)",
  54         [FC_SKY_REV26]  = "Sky2PC/SkyStar 2 DVB-S rev 2.6",
  55         [FC_SKY_REV27]  = "Sky2PC/SkyStar 2 DVB-S rev 2.7a/u",
  56         [FC_SKY_REV28]  = "Sky2PC/SkyStar 2 DVB-S rev 2.8",
  57         [FC_SKYS2_REV33] = "Sky2PC/SkyStar S2 DVB-S/S2 rev 3.3",
  58 };
  59
  60 static const char *flexcop_bus_names[] = {
  61         "USB",
  62         "PCI",
  63 };
  64
  65 void flexcop_device_name(struct flexcop_device *fc,
  66                 const char *prefix, const char *suffix)
  67 {
  68         info("%s '%s' at the '%s' bus controlled by a '%s' %s",
  69                         prefix, flexcop_device_names[fc->dev_type],
  70                         flexcop_bus_names[fc->bus_type],
  71                         flexcop_revision_names[fc->rev], suffix);
  72 }
  73
  74 void flexcop_dump_reg(struct flexcop_device *fc,
  75                 flexcop_ibi_register reg, int num)
  76 {
  77         flexcop_ibi_value v;
  78         int i;
  79         for (i = 0; i < num; i++) {
  80                 v = fc->read_ibi_reg(fc, reg+4*i);
  81                 deb_rdump("0x%03x: %08x, ", reg+4*i, v.raw);
  82         }
  83         deb_rdump("\n");
  84 }
  85 EXPORT_SYMBOL(flexcop_dump_reg);