Avoid beyond bounds copy while caching ACL
[zen-stable.git] / drivers / media / dvb / b2c2 / flexcop-misc.c
blobf06f3a9070f564ca13e7c6bd28254b7891d4f6bf
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"
8 void flexcop_determine_revision(struct flexcop_device *fc)
10 flexcop_ibi_value v = fc->read_ibi_reg(fc,misc_204);
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;
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. */
41 static const char *flexcop_revision_names[] = {
42 "Unknown chip",
43 "FlexCopII",
44 "FlexCopIIb",
45 "FlexCopIII",
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",
61 static const char *flexcop_bus_names[] = {
62 "USB",
63 "PCI",
66 void flexcop_device_name(struct flexcop_device *fc,
67 const char *prefix, const char *suffix)
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);
75 void flexcop_dump_reg(struct flexcop_device *fc,
76 flexcop_ibi_register reg, int num)
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);
84 deb_rdump("\n");
86 EXPORT_SYMBOL(flexcop_dump_reg);