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);
86