diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/dvb/firewire/firedtv-avc.c | 78 |
1 files changed, 66 insertions, 12 deletions
diff --git a/drivers/media/dvb/firewire/firedtv-avc.c b/drivers/media/dvb/firewire/firedtv-avc.c index 1a94c6bb601..570bea0dd17 100644 --- a/drivers/media/dvb/firewire/firedtv-avc.c +++ b/drivers/media/dvb/firewire/firedtv-avc.c @@ -89,14 +89,31 @@ struct avc_response_frame { u8 operand[509]; }; -#define AVC_DEBUG_FCP_SUBACTIONS 1 -#define AVC_DEBUG_FCP_PAYLOADS 2 +#define AVC_DEBUG_READ_DESCRIPTOR 0x0001 +#define AVC_DEBUG_DSIT 0x0002 +#define AVC_DEBUG_DSD 0x0004 +#define AVC_DEBUG_REGISTER_REMOTE_CONTROL 0x0008 +#define AVC_DEBUG_LNB_CONTROL 0x0010 +#define AVC_DEBUG_TUNE_QPSK 0x0020 +#define AVC_DEBUG_TUNE_QPSK2 0x0040 +#define AVC_DEBUG_HOST2CA 0x0080 +#define AVC_DEBUG_CA2HOST 0x0100 +#define AVC_DEBUG_APPLICATION_PMT 0x4000 +#define AVC_DEBUG_FCP_PAYLOADS 0x8000 static int avc_debug; module_param_named(debug, avc_debug, int, 0644); -MODULE_PARM_DESC(debug, "Verbose logging (default = 0" - ", FCP subactions = " __stringify(AVC_DEBUG_FCP_SUBACTIONS) - ", FCP payloads = " __stringify(AVC_DEBUG_FCP_PAYLOADS) +MODULE_PARM_DESC(debug, "Verbose logging bitmask (none (default) = 0" + ", FCP subaction(READ DESCRIPTOR) = " __stringify(AVC_DEBUG_READ_DESCRIPTOR) + ", FCP subaction(DSIT) = " __stringify(AVC_DEBUG_DSIT) + ", FCP subaction(REGISTER_REMOTE_CONTROL) = " __stringify(AVC_DEBUG_REGISTER_REMOTE_CONTROL) + ", FCP subaction(LNB CONTROL) = " __stringify(AVC_DEBUG_LNB_CONTROL) + ", FCP subaction(TUNE QPSK) = " __stringify(AVC_DEBUG_TUNE_QPSK) + ", FCP subaction(TUNE QPSK2) = " __stringify(AVC_DEBUG_TUNE_QPSK2) + ", FCP subaction(HOST2CA) = " __stringify(AVC_DEBUG_HOST2CA) + ", FCP subaction(CA2HOST) = " __stringify(AVC_DEBUG_CA2HOST) + ", Application sent PMT = " __stringify(AVC_DEBUG_APPLICATION_PMT) + ", FCP payloads(for selected subactions) = " __stringify(AVC_DEBUG_FCP_PAYLOADS) ", or all = -1)"); static const char *debug_fcp_ctype(unsigned int ctype) @@ -142,24 +159,58 @@ static const char *debug_fcp_opcode(unsigned int opcode, return "Vendor"; } +static int debug_fcp_opcode_flag_set(unsigned int opcode, + const u8 *data, int length) +{ + switch (opcode) { + case AVC_OPCODE_VENDOR: break; + case AVC_OPCODE_READ_DESCRIPTOR: return avc_debug & AVC_DEBUG_READ_DESCRIPTOR; + case AVC_OPCODE_DSIT: return avc_debug & AVC_DEBUG_DSIT; + case AVC_OPCODE_DSD: return avc_debug & AVC_DEBUG_DSD; + default: return 1; + } + + if (length < 7 || + data[3] != SFE_VENDOR_DE_COMPANYID_0 || + data[4] != SFE_VENDOR_DE_COMPANYID_1 || + data[5] != SFE_VENDOR_DE_COMPANYID_2) + return 1; + + switch (data[6]) { + case SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL: return avc_debug & AVC_DEBUG_REGISTER_REMOTE_CONTROL; + case SFE_VENDOR_OPCODE_LNB_CONTROL: return avc_debug & AVC_DEBUG_LNB_CONTROL; + case SFE_VENDOR_OPCODE_TUNE_QPSK: return avc_debug & AVC_DEBUG_TUNE_QPSK; + case SFE_VENDOR_OPCODE_TUNE_QPSK2: return avc_debug & AVC_DEBUG_TUNE_QPSK2; + case SFE_VENDOR_OPCODE_HOST2CA: return avc_debug & AVC_DEBUG_HOST2CA; + case SFE_VENDOR_OPCODE_CA2HOST: return avc_debug & AVC_DEBUG_CA2HOST; + } + return 1; +} + static void debug_fcp(const u8 *data, int length) { unsigned int subunit_type, subunit_id, op; const char *prefix = data[0] > 7 ? "FCP <- " : "FCP -> "; - if (avc_debug & AVC_DEBUG_FCP_SUBACTIONS) { - subunit_type = data[1] >> 3; - subunit_id = data[1] & 7; - op = subunit_type == 0x1e || subunit_id == 5 ? ~0 : data[2]; + subunit_type = data[1] >> 3; + subunit_id = data[1] & 7; + op = subunit_type == 0x1e || subunit_id == 5 ? ~0 : data[2]; + if (debug_fcp_opcode_flag_set(op, data, length)) { printk(KERN_INFO "%ssu=%x.%x l=%d: %-8s - %s\n", prefix, subunit_type, subunit_id, length, debug_fcp_ctype(data[0]), debug_fcp_opcode(op, data, length)); + if (avc_debug & AVC_DEBUG_FCP_PAYLOADS) + print_hex_dump(KERN_INFO, prefix, DUMP_PREFIX_NONE, + 16, 1, data, length, false); } +} - if (avc_debug & AVC_DEBUG_FCP_PAYLOADS) - print_hex_dump(KERN_INFO, prefix, DUMP_PREFIX_NONE, 16, 1, - data, length, false); +static void debug_pmt(char *msg, int length) +{ + printk(KERN_INFO "APP PMT -> l=%d\n", length); + print_hex_dump(KERN_INFO, "APP PMT -> ", DUMP_PREFIX_NONE, + 16, 1, msg, length, false); } static int __avc_write(struct firedtv *fdtv, @@ -983,6 +1034,9 @@ int avc_ca_pmt(struct firedtv *fdtv, char *msg, int length) int es_info_length; int crc32_csum; + if (unlikely(avc_debug & AVC_DEBUG_APPLICATION_PMT)) + debug_pmt(msg, length); + memset(c, 0, sizeof(*c)); c->ctype = AVC_CTYPE_CONTROL; |