GNU Linux-libre 4.19.264-gnu1
[releases.git] / drivers / media / common / b2c2 / flexcop-misc.c
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);