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kernel/linux-rt-4.4.41/drivers/media/common/b2c2/flexcop-misc.c 2.37 KB
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  /*
   * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
   * flexcop-misc.c - miscellaneous functions
   * see flexcop.c for copyright information
   */
  #include "flexcop.h"
  
  void flexcop_determine_revision(struct flexcop_device *fc)
  {
  	flexcop_ibi_value v = fc->read_ibi_reg(fc,misc_204);
  
  	switch (v.misc_204.Rev_N_sig_revision_hi) {
  	case 0x2:
  		deb_info("found a FlexCopII.
  ");
  		fc->rev = FLEXCOP_II;
  		break;
  	case 0x3:
  		deb_info("found a FlexCopIIb.
  ");
  		fc->rev = FLEXCOP_IIB;
  		break;
  	case 0x0:
  		deb_info("found a FlexCopIII.
  ");
  		fc->rev = FLEXCOP_III;
  		break;
  	default:
  		err("unknown FlexCop Revision: %x. Please report this to "
  				"linux-dvb@linuxtv.org.",
  				v.misc_204.Rev_N_sig_revision_hi);
  		break;
  	}
  
  	if ((fc->has_32_hw_pid_filter = v.misc_204.Rev_N_sig_caps))
  		deb_info("this FlexCop has "
  				"the additional 32 hardware pid filter.
  ");
  	else
  		deb_info("this FlexCop has "
  				"the 6 basic main hardware pid filter.
  ");
  	/* bus parts have to decide if hw pid filtering is used or not. */
  }
  
  static const char *flexcop_revision_names[] = {
  	"Unknown chip",
  	"FlexCopII",
  	"FlexCopIIb",
  	"FlexCopIII",
  };
  
  static const char *flexcop_device_names[] = {
  	[FC_UNK]	= "Unknown device",
  	[FC_CABLE]	= "Cable2PC/CableStar 2 DVB-C",
  	[FC_AIR_DVBT]	= "Air2PC/AirStar 2 DVB-T",
  	[FC_AIR_ATSC1]	= "Air2PC/AirStar 2 ATSC 1st generation",
  	[FC_AIR_ATSC2]	= "Air2PC/AirStar 2 ATSC 2nd generation",
  	[FC_AIR_ATSC3]	= "Air2PC/AirStar 2 ATSC 3rd generation (HD5000)",
  	[FC_SKY_REV23]	= "Sky2PC/SkyStar 2 DVB-S rev 2.3 (old version)",
  	[FC_SKY_REV26]	= "Sky2PC/SkyStar 2 DVB-S rev 2.6",
  	[FC_SKY_REV27]	= "Sky2PC/SkyStar 2 DVB-S rev 2.7a/u",
  	[FC_SKY_REV28]	= "Sky2PC/SkyStar 2 DVB-S rev 2.8",
  	[FC_SKYS2_REV33] = "Sky2PC/SkyStar S2 DVB-S/S2 rev 3.3",
  };
  
  static const char *flexcop_bus_names[] = {
  	"USB",
  	"PCI",
  };
  
  void flexcop_device_name(struct flexcop_device *fc,
  		const char *prefix, const char *suffix)
  {
  	info("%s '%s' at the '%s' bus controlled by a '%s' %s",
  			prefix,	flexcop_device_names[fc->dev_type],
  			flexcop_bus_names[fc->bus_type],
  			flexcop_revision_names[fc->rev], suffix);
  }
  
  void flexcop_dump_reg(struct flexcop_device *fc,
  		flexcop_ibi_register reg, int num)
  {
  	flexcop_ibi_value v;
  	int i;
  	for (i = 0; i < num; i++) {
  		v = fc->read_ibi_reg(fc, reg+4*i);
  		deb_rdump("0x%03x: %08x, ", reg+4*i, v.raw);
  	}
  	deb_rdump("
  ");
  }
  EXPORT_SYMBOL(flexcop_dump_reg);