xref: /linux/drivers/media/common/b2c2/flexcop-misc.c (revision a0f0dd57f4a85310d9936f1770a0424b49fef876)
1 /*
2  * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
3  * flexcop-misc.c - miscellaneous functions
4  * see flexcop.c for copyright information
5  */
6 #include "flexcop.h"
7 
8 void flexcop_determine_revision(struct flexcop_device *fc)
9 {
10 	flexcop_ibi_value v = fc->read_ibi_reg(fc,misc_204);
11 
12 	switch (v.misc_204.Rev_N_sig_revision_hi) {
13 	case 0x2:
14 		deb_info("found a FlexCopII.\n");
15 		fc->rev = FLEXCOP_II;
16 		break;
17 	case 0x3:
18 		deb_info("found a FlexCopIIb.\n");
19 		fc->rev = FLEXCOP_IIB;
20 		break;
21 	case 0x0:
22 		deb_info("found a FlexCopIII.\n");
23 		fc->rev = FLEXCOP_III;
24 		break;
25 	default:
26 		err("unknown FlexCop Revision: %x. Please report this to "
27 				"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 "
34 				"the additional 32 hardware pid filter.\n");
35 	else
36 		deb_info("this FlexCop has "
37 				"the 6 basic main hardware pid filter.\n");
38 	/* bus parts have to decide if hw pid filtering is used or not. */
39 }
40 
41 static const char *flexcop_revision_names[] = {
42 	"Unknown chip",
43 	"FlexCopII",
44 	"FlexCopIIb",
45 	"FlexCopIII",
46 };
47 
48 static const char *flexcop_device_names[] = {
49 	[FC_UNK]	= "Unknown device",
50 	[FC_CABLE]	= "Cable2PC/CableStar 2 DVB-C",
51 	[FC_AIR_DVBT]	= "Air2PC/AirStar 2 DVB-T",
52 	[FC_AIR_ATSC1]	= "Air2PC/AirStar 2 ATSC 1st generation",
53 	[FC_AIR_ATSC2]	= "Air2PC/AirStar 2 ATSC 2nd generation",
54 	[FC_AIR_ATSC3]	= "Air2PC/AirStar 2 ATSC 3rd generation (HD5000)",
55 	[FC_SKY_REV23]	= "Sky2PC/SkyStar 2 DVB-S rev 2.3 (old version)",
56 	[FC_SKY_REV26]	= "Sky2PC/SkyStar 2 DVB-S rev 2.6",
57 	[FC_SKY_REV27]	= "Sky2PC/SkyStar 2 DVB-S rev 2.7a/u",
58 	[FC_SKY_REV28]	= "Sky2PC/SkyStar 2 DVB-S rev 2.8",
59 };
60 
61 static const char *flexcop_bus_names[] = {
62 	"USB",
63 	"PCI",
64 };
65 
66 void flexcop_device_name(struct flexcop_device *fc,
67 		const char *prefix, const char *suffix)
68 {
69 	info("%s '%s' at the '%s' bus controlled by a '%s' %s",
70 			prefix,	flexcop_device_names[fc->dev_type],
71 			flexcop_bus_names[fc->bus_type],
72 			flexcop_revision_names[fc->rev], suffix);
73 }
74 
75 void flexcop_dump_reg(struct flexcop_device *fc,
76 		flexcop_ibi_register reg, int num)
77 {
78 	flexcop_ibi_value v;
79 	int i;
80 	for (i = 0; i < num; i++) {
81 		v = fc->read_ibi_reg(fc, reg+4*i);
82 		deb_rdump("0x%03x: %08x, ", reg+4*i, v.raw);
83 	}
84 	deb_rdump("\n");
85 }
86 EXPORT_SYMBOL(flexcop_dump_reg);
87