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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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1589a993f0
This patch cleans up the source code of the b2c2 flexcop-driver. It is the first of a total of two. The code is now passing the checkpatch-script. Signed-off-by: Uwe Bugla <uwe.bugla@gmx.de> Signed-off-by: Patrick Boettcher <pb@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
87 lines
2.1 KiB
C
87 lines
2.1 KiB
C
/*
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* Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
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* flexcop-misc.c - miscellaneous functions
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* see flexcop.c for copyright information
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*/
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#include "flexcop.h"
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void flexcop_determine_revision(struct flexcop_device *fc)
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{
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flexcop_ibi_value v = fc->read_ibi_reg(fc,misc_204);
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switch (v.misc_204.Rev_N_sig_revision_hi) {
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case 0x2:
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deb_info("found a FlexCopII.\n");
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fc->rev = FLEXCOP_II;
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break;
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case 0x3:
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deb_info("found a FlexCopIIb.\n");
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fc->rev = FLEXCOP_IIB;
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break;
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case 0x0:
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deb_info("found a FlexCopIII.\n");
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fc->rev = FLEXCOP_III;
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break;
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default:
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err("unknown FlexCop Revision: %x. Please report this to "
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"linux-dvb@linuxtv.org.",
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v.misc_204.Rev_N_sig_revision_hi);
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break;
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}
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if ((fc->has_32_hw_pid_filter = v.misc_204.Rev_N_sig_caps))
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deb_info("this FlexCop has "
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"the additional 32 hardware pid filter.\n");
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else
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deb_info("this FlexCop has "
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"the 6 basic main hardware pid filter.\n");
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/* bus parts have to decide if hw pid filtering is used or not. */
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}
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static const char *flexcop_revision_names[] = {
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"Unknown chip",
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"FlexCopII",
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"FlexCopIIb",
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"FlexCopIII",
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};
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static const char *flexcop_device_names[] = {
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"Unknown device",
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"Air2PC/AirStar 2 DVB-T",
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"Air2PC/AirStar 2 ATSC 1st generation",
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"Air2PC/AirStar 2 ATSC 2nd generation",
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"Sky2PC/SkyStar 2 DVB-S",
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"Sky2PC/SkyStar 2 DVB-S (old version)",
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"Cable2PC/CableStar 2 DVB-C",
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"Air2PC/AirStar 2 ATSC 3rd generation (HD5000)",
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"Sky2PC/SkyStar 2 DVB-S rev 2.7a/u",
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"Sky2PC/SkyStar 2 DVB-S rev 2.8",
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};
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static const char *flexcop_bus_names[] = {
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"USB",
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"PCI",
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};
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void flexcop_device_name(struct flexcop_device *fc,
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const char *prefix, const char *suffix)
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{
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info("%s '%s' at the '%s' bus controlled by a '%s' %s",
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prefix, flexcop_device_names[fc->dev_type],
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flexcop_bus_names[fc->bus_type],
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flexcop_revision_names[fc->rev], suffix);
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}
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void flexcop_dump_reg(struct flexcop_device *fc,
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flexcop_ibi_register reg, int num)
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{
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flexcop_ibi_value v;
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int i;
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for (i = 0; i < num; i++) {
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v = fc->read_ibi_reg(fc, reg+4*i);
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deb_rdump("0x%03x: %08x, ", reg+4*i, v.raw);
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}
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deb_rdump("\n");
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}
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EXPORT_SYMBOL(flexcop_dump_reg);
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