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/*
* CEC common helper functions
*
* Copyright 2017 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
*
* This program is free software; you may redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <stdio.h>
#include <string>
#include <cec-info.h>
static std::string caps2s(unsigned caps)
{
std::string s;
if (caps & CEC_CAP_PHYS_ADDR)
s += "\t\tPhysical Address\n";
if (caps & CEC_CAP_LOG_ADDRS)
s += "\t\tLogical Addresses\n";
if (caps & CEC_CAP_TRANSMIT)
s += "\t\tTransmit\n";
if (caps & CEC_CAP_PASSTHROUGH)
s += "\t\tPassthrough\n";
if (caps & CEC_CAP_RC)
s += "\t\tRemote Control Support\n";
if (caps & CEC_CAP_MONITOR_ALL)
s += "\t\tMonitor All\n";
if (caps & CEC_CAP_NEEDS_HPD)
s += "\t\tNeeds HPD\n";
if (caps & CEC_CAP_MONITOR_PIN)
s += "\t\tMonitor Pin\n";
return s;
}
static std::string laflags2s(unsigned flags)
{
std::string s;
if (!flags)
return s;
s = "(";
if (flags & CEC_LOG_ADDRS_FL_ALLOW_UNREG_FALLBACK)
s += "Allow Fallback to Unregistered, ";
if (flags & CEC_LOG_ADDRS_FL_ALLOW_RC_PASSTHRU)
s += "Allow RC Passthrough, ";
if (flags & CEC_LOG_ADDRS_FL_CDC_ONLY)
s += "CDC-Only, ";
if (s.length())
s.erase(s.length() - 2, 2);
return s + ")";
}
const char *version2s(unsigned version)
{
switch (version) {
case CEC_OP_CEC_VERSION_1_3A:
return "1.3a";
case CEC_OP_CEC_VERSION_1_4:
return "1.4";
case CEC_OP_CEC_VERSION_2_0:
return "2.0";
default:
return "Unknown";
}
}
const char *prim_type2s(unsigned type)
{
switch (type) {
case CEC_OP_PRIM_DEVTYPE_TV:
return "TV";
case CEC_OP_PRIM_DEVTYPE_RECORD:
return "Record";
case CEC_OP_PRIM_DEVTYPE_TUNER:
return "Tuner";
case CEC_OP_PRIM_DEVTYPE_PLAYBACK:
return "Playback";
case CEC_OP_PRIM_DEVTYPE_AUDIOSYSTEM:
return "Audio System";
case CEC_OP_PRIM_DEVTYPE_SWITCH:
return "Switch";
case CEC_OP_PRIM_DEVTYPE_PROCESSOR:
return "Processor";
default:
return "Unknown";
}
}
const char *la_type2s(unsigned type)
{
switch (type) {
case CEC_LOG_ADDR_TYPE_TV:
return "TV";
case CEC_LOG_ADDR_TYPE_RECORD:
return "Record";
case CEC_LOG_ADDR_TYPE_TUNER:
return "Tuner";
case CEC_LOG_ADDR_TYPE_PLAYBACK:
return "Playback";
case CEC_LOG_ADDR_TYPE_AUDIOSYSTEM:
return "Audio System";
case CEC_LOG_ADDR_TYPE_SPECIFIC:
return "Specific";
case CEC_LOG_ADDR_TYPE_UNREGISTERED:
return "Unregistered";
default:
return "Unknown";
}
}
const char *la2s(unsigned la)
{
switch (la & 0xf) {
case 0:
return "TV";
case 1:
return "Recording Device 1";
case 2:
return "Recording Device 2";
case 3:
return "Tuner 1";
case 4:
return "Playback Device 1";
case 5:
return "Audio System";
case 6:
return "Tuner 2";
case 7:
return "Tuner 3";
case 8:
return "Playback Device 2";
case 9:
return "Playback Device 3";
case 10:
return "Tuner 4";
case 11:
return "Playback Device 3";
case 12:
return "Reserved 1";
case 13:
return "Reserved 2";
case 14:
return "Specific";
case 15:
default:
return "Unregistered";
}
}
std::string all_dev_types2s(unsigned types)
{
std::string s;
if (types & CEC_OP_ALL_DEVTYPE_TV)
s += "TV, ";
if (types & CEC_OP_ALL_DEVTYPE_RECORD)
s += "Record, ";
if (types & CEC_OP_ALL_DEVTYPE_TUNER)
s += "Tuner, ";
if (types & CEC_OP_ALL_DEVTYPE_PLAYBACK)
s += "Playback, ";
if (types & CEC_OP_ALL_DEVTYPE_AUDIOSYSTEM)
s += "Audio System, ";
if (types & CEC_OP_ALL_DEVTYPE_SWITCH)
s += "Switch, ";
if (s.length())
return s.erase(s.length() - 2, 2);
return s;
}
std::string rc_src_prof2s(unsigned prof, const std::string &prefix)
{
std::string s;
prof &= 0x1f;
if (prof == 0)
return prefix + "\t\tNone\n";
if (prof & CEC_OP_FEAT_RC_SRC_HAS_DEV_ROOT_MENU)
s += prefix + "\t\tSource Has Device Root Menu\n";
if (prof & CEC_OP_FEAT_RC_SRC_HAS_DEV_SETUP_MENU)
s += prefix + "\t\tSource Has Device Setup Menu\n";
if (prof & CEC_OP_FEAT_RC_SRC_HAS_MEDIA_CONTEXT_MENU)
s += prefix + "\t\tSource Has Contents Menu\n";
if (prof & CEC_OP_FEAT_RC_SRC_HAS_MEDIA_TOP_MENU)
s += prefix + "\t\tSource Has Media Top Menu\n";
if (prof & CEC_OP_FEAT_RC_SRC_HAS_MEDIA_CONTEXT_MENU)
s += prefix + "\t\tSource Has Media Context-Sensitive Menu\n";
return s;
}
std::string dev_feat2s(unsigned feat, const std::string &prefix)
{
std::string s;
feat &= 0x7e;
if (feat == 0)
return prefix + "\t\tNone\n";
if (feat & CEC_OP_FEAT_DEV_HAS_RECORD_TV_SCREEN)
s += prefix + "\t\tTV Supports <Record TV Screen>\n";
if (feat & CEC_OP_FEAT_DEV_HAS_SET_OSD_STRING)
s += prefix + "\t\tTV Supports <Set OSD String>\n";
if (feat & CEC_OP_FEAT_DEV_HAS_DECK_CONTROL)
s += prefix + "\t\tSupports Deck Control\n";
if (feat & CEC_OP_FEAT_DEV_HAS_SET_AUDIO_RATE)
s += prefix + "\t\tSource Supports <Set Audio Rate>\n";
if (feat & CEC_OP_FEAT_DEV_SINK_HAS_ARC_TX)
s += prefix + "\t\tSink Supports ARC Tx\n";
if (feat & CEC_OP_FEAT_DEV_SOURCE_HAS_ARC_RX)
s += prefix + "\t\tSource Supports ARC Rx\n";
return s;
}
void cec_driver_info(const struct cec_caps &caps,
const struct cec_log_addrs &laddrs, __u16 phys_addr)
{
printf("Driver Info:\n");
printf("\tDriver Name : %s\n", caps.driver);
printf("\tAdapter Name : %s\n", caps.name);
printf("\tCapabilities : 0x%08x\n", caps.capabilities);
printf("%s", caps2s(caps.capabilities).c_str());
printf("\tDriver version : %d.%d.%d\n",
caps.version >> 16,
(caps.version >> 8) & 0xff,
caps.version & 0xff);
printf("\tAvailable Logical Addresses: %u\n",
caps.available_log_addrs);
printf("\tPhysical Address : %x.%x.%x.%x\n",
cec_phys_addr_exp(phys_addr));
printf("\tLogical Address Mask : 0x%04x\n", laddrs.log_addr_mask);
printf("\tCEC Version : %s\n", version2s(laddrs.cec_version));
if (laddrs.vendor_id != CEC_VENDOR_ID_NONE)
printf("\tVendor ID : 0x%06x\n", laddrs.vendor_id);
printf("\tLogical Addresses : %u %s\n",
laddrs.num_log_addrs, laflags2s(laddrs.flags).c_str());
for (unsigned i = 0; i < laddrs.num_log_addrs; i++) {
if (laddrs.log_addr[i] == CEC_LOG_ADDR_INVALID)
printf("\n\t Logical Address : Not Allocated\n");
else
printf("\n\t Logical Address : %d (%s)\n",
laddrs.log_addr[i], la2s(laddrs.log_addr[i]));
printf("\t Primary Device Type : %s\n",
prim_type2s(laddrs.primary_device_type[i]));
printf("\t Logical Address Type : %s\n",
la_type2s(laddrs.log_addr_type[i]));
if (laddrs.cec_version < CEC_OP_CEC_VERSION_2_0)
continue;
printf("\t All Device Types : %s\n",
all_dev_types2s(laddrs.all_device_types[i]).c_str());
bool is_dev_feat = false;
for (unsigned idx = 0; idx < sizeof(laddrs.features[0]); idx++) {
__u8 byte = laddrs.features[i][idx];
if (!is_dev_feat) {
if (byte & 0x40) {
printf("\t RC Source Profile :\n%s",
rc_src_prof2s(byte, "").c_str());
} else {
const char *s = "Reserved";
switch (byte & 0xf) {
case 0:
s = "None";
break;
case 2:
s = "RC Profile 1";
break;
case 6:
s = "RC Profile 2";
break;
case 10:
s = "RC Profile 3";
break;
case 14:
s = "RC Profile 4";
break;
}
printf("\t RC TV Profile : %s\n", s);
}
} else {
printf("\t Device Features :\n%s",
dev_feat2s(byte, "").c_str());
}
if (byte & CEC_OP_FEAT_EXT)
continue;
if (!is_dev_feat)
is_dev_feat = true;
else
break;
}
}
}
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