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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/drivers/media/dvb/b2c2/flexcop-misc.c
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/*

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 * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III

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 * flexcop-misc.c - miscellaneous functions

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 * see flexcop.c for copyright information

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 */

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#include "flexcop.h"

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void flexcop_determine_revision(struct flexcop_device *fc)

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{

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	flexcop_ibi_value v = fc->read_ibi_reg(fc,misc_204);

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	switch (v.misc_204.Rev_N_sig_revision_hi) {

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	case 0x2:

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		deb_info("found a FlexCopII.\n");

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		fc->rev = FLEXCOP_II;

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		break;

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	case 0x3:

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		deb_info("found a FlexCopIIb.\n");

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		fc->rev = FLEXCOP_IIB;

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		break;

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	case 0x0:

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		deb_info("found a FlexCopIII.\n");

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		fc->rev = FLEXCOP_III;

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		break;

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	default:

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		err("unknown FlexCop Revision: %x. Please report this to "

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				"[email protected].",

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				v.misc_204.Rev_N_sig_revision_hi);

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		break;

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	}

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	if ((fc->has_32_hw_pid_filter = v.misc_204.Rev_N_sig_caps))

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		deb_info("this FlexCop has "

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				"the additional 32 hardware pid filter.\n");

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	else

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		deb_info("this FlexCop has "

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				"the 6 basic main hardware pid filter.\n");

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	/* bus parts have to decide if hw pid filtering is used or not. */

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}

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static const char *flexcop_revision_names[] = {

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	"Unknown chip",

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	"FlexCopII",

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	"FlexCopIIb",

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	"FlexCopIII",

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};

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static const char *flexcop_device_names[] = {

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	[FC_UNK]	= "Unknown device",

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	[FC_CABLE]	= "Cable2PC/CableStar 2 DVB-C",

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	[FC_AIR_DVBT]	= "Air2PC/AirStar 2 DVB-T",

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	[FC_AIR_ATSC1]	= "Air2PC/AirStar 2 ATSC 1st generation",

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	[FC_AIR_ATSC2]	= "Air2PC/AirStar 2 ATSC 2nd generation",

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	[FC_AIR_ATSC3]	= "Air2PC/AirStar 2 ATSC 3rd generation (HD5000)",

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	[FC_SKY_REV23]	= "Sky2PC/SkyStar 2 DVB-S rev 2.3 (old version)",

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	[FC_SKY_REV26]	= "Sky2PC/SkyStar 2 DVB-S rev 2.6",

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	[FC_SKY_REV27]	= "Sky2PC/SkyStar 2 DVB-S rev 2.7a/u",

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	[FC_SKY_REV28]	= "Sky2PC/SkyStar 2 DVB-S rev 2.8",

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};

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static const char *flexcop_bus_names[] = {

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	"USB",

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	"PCI",

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};

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void flexcop_device_name(struct flexcop_device *fc,

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		const char *prefix, const char *suffix)

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{

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	info("%s '%s' at the '%s' bus controlled by a '%s' %s",

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			prefix,	flexcop_device_names[fc->dev_type],

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			flexcop_bus_names[fc->bus_type],

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			flexcop_revision_names[fc->rev], suffix);

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}

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void flexcop_dump_reg(struct flexcop_device *fc,

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		flexcop_ibi_register reg, int num)

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{

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	flexcop_ibi_value v;

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	int i;

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	for (i = 0; i < num; i++) {

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		v = fc->read_ibi_reg(fc, reg+4*i);

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		deb_rdump("0x%03x: %08x, ", reg+4*i, v.raw);

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	}

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	deb_rdump("\n");

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}

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EXPORT_SYMBOL(flexcop_dump_reg);

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