V4L/DVB (6715): ivtv: Remove unnecessary register update
[linux-2.6/verdex.git] / drivers / media / dvb / b2c2 / flexcop-misc.c
blob167583bf0621879b1f9deefd1c443646ccbd4771
1 /*
2 * This file is part of linux driver the digital TV devices equipped with B2C2 FlexcopII(b)/III
4 * flexcop-misc.c - miscellaneous functions.
6 * see flexcop.c for copyright information.
7 */
8 #include "flexcop.h"
10 void flexcop_determine_revision(struct flexcop_device *fc)
12 flexcop_ibi_value v = fc->read_ibi_reg(fc,misc_204);
14 switch (v.misc_204.Rev_N_sig_revision_hi) {
15 case 0x2:
16 deb_info("found a FlexCopII.\n");
17 fc->rev = FLEXCOP_II;
18 break;
19 case 0x3:
20 deb_info("found a FlexCopIIb.\n");
21 fc->rev = FLEXCOP_IIB;
22 break;
23 case 0x0:
24 deb_info("found a FlexCopIII.\n");
25 fc->rev = FLEXCOP_III;
26 break;
27 default:
28 err("unkown FlexCop Revision: %x. Please report the linux-dvb@linuxtv.org.",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 the additional 32 hardware pid filter.\n");
34 else
35 deb_info("this FlexCop has only the 6 basic main hardware pid filter.\n");
36 /* bus parts have to decide if hw pid filtering is used or not. */
39 static const char *flexcop_revision_names[] = {
40 "Unkown chip",
41 "FlexCopII",
42 "FlexCopIIb",
43 "FlexCopIII",
46 static const char *flexcop_device_names[] = {
47 "Unkown device",
48 "Air2PC/AirStar 2 DVB-T",
49 "Air2PC/AirStar 2 ATSC 1st generation",
50 "Air2PC/AirStar 2 ATSC 2nd generation",
51 "Sky2PC/SkyStar 2 DVB-S",
52 "Sky2PC/SkyStar 2 DVB-S (old version)",
53 "Cable2PC/CableStar 2 DVB-C",
54 "Air2PC/AirStar 2 ATSC 3rd generation (HD5000)",
57 static const char *flexcop_bus_names[] = {
58 "USB",
59 "PCI",
62 void flexcop_device_name(struct flexcop_device *fc,const char *prefix,const
63 char *suffix)
65 info("%s '%s' at the '%s' bus controlled by a '%s' %s",prefix,
66 flexcop_device_names[fc->dev_type],flexcop_bus_names[fc->bus_type],
67 flexcop_revision_names[fc->rev],suffix);
70 void flexcop_dump_reg(struct flexcop_device *fc, flexcop_ibi_register reg, int num)
72 flexcop_ibi_value v;
73 int i;
74 for (i = 0; i < num; i++) {
75 v = fc->read_ibi_reg(fc,reg+4*i);
76 deb_rdump("0x%03x: %08x, ",reg+4*i, v.raw);
78 deb_rdump("\n");
80 EXPORT_SYMBOL(flexcop_dump_reg);