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#include <stdio.h>
#include <iostream>
#include <unistd.h>
#include <fcntl.h>
#include <cassert>
#include <cmath>
#include <kms++/kms++.h>
#include "helpers.h"
using namespace std;
namespace kms
{
static const map<int, string> connector_names = {
{ DRM_MODE_CONNECTOR_Unknown, "Unknown" },
{ DRM_MODE_CONNECTOR_VGA, "VGA" },
{ DRM_MODE_CONNECTOR_DVII, "DVI-I" },
{ DRM_MODE_CONNECTOR_DVID, "DVI-D" },
{ DRM_MODE_CONNECTOR_DVIA, "DVI-A" },
{ DRM_MODE_CONNECTOR_Composite, "Composite" },
{ DRM_MODE_CONNECTOR_SVIDEO, "S-Video" },
{ DRM_MODE_CONNECTOR_LVDS, "LVDS" },
{ DRM_MODE_CONNECTOR_Component, "Component" },
{ DRM_MODE_CONNECTOR_9PinDIN, "9-Pin-DIN" },
{ DRM_MODE_CONNECTOR_DisplayPort, "DP" },
{ DRM_MODE_CONNECTOR_HDMIA, "HDMI-A" },
{ DRM_MODE_CONNECTOR_HDMIB, "HDMI-B" },
{ DRM_MODE_CONNECTOR_TV, "TV" },
{ DRM_MODE_CONNECTOR_eDP, "eDP" },
{ DRM_MODE_CONNECTOR_VIRTUAL, "Virtual" },
{ DRM_MODE_CONNECTOR_DSI, "DSI" },
};
static const map<int, string> connection_str = {
{ 0, "<unknown>" },
{ DRM_MODE_CONNECTED, "Connected" },
{ DRM_MODE_DISCONNECTED, "Disconnected" },
{ DRM_MODE_UNKNOWNCONNECTION, "Unknown" },
};
static const map<int, string> subpix_str = {
#define DEF_SUBPIX(c) { DRM_MODE_SUBPIXEL_##c, #c }
DEF_SUBPIX(UNKNOWN),
DEF_SUBPIX(HORIZONTAL_RGB),
DEF_SUBPIX(HORIZONTAL_BGR),
DEF_SUBPIX(VERTICAL_RGB),
DEF_SUBPIX(VERTICAL_BGR),
DEF_SUBPIX(NONE),
#undef DEF_SUBPIX
};
struct ConnectorPriv
{
drmModeConnectorPtr drm_connector;
};
Connector::Connector(Card &card, uint32_t id, uint32_t idx)
:DrmPropObject(card, id, DRM_MODE_OBJECT_CONNECTOR, idx)
{
m_priv = new ConnectorPriv();
m_priv->drm_connector = drmModeGetConnector(this->card().fd(), this->id());
assert(m_priv->drm_connector);
// XXX drmModeGetConnector() does forced probe, which seems to change (at least) EDID blob id.
// XXX So refresh the props again here.
refresh_props();
const auto& name = connector_names.at(m_priv->drm_connector->connector_type);
m_fullname = name + "-" + to_string(m_priv->drm_connector->connector_type_id);
}
Connector::~Connector()
{
drmModeFreeConnector(m_priv->drm_connector);
delete m_priv;
}
void Connector::setup()
{
if (m_priv->drm_connector->encoder_id != 0)
m_current_encoder = card().get_encoder(m_priv->drm_connector->encoder_id);
else
m_current_encoder = 0;
if (m_current_encoder)
m_saved_crtc = m_current_encoder->get_crtc();
else
m_saved_crtc = 0;
}
void Connector::restore_mode()
{
if (m_saved_crtc)
m_saved_crtc->restore_mode(this);
}
Videomode Connector::get_default_mode() const
{
if (m_priv->drm_connector->count_modes == 0)
throw invalid_argument("no modes available\n");
drmModeModeInfo drmmode = m_priv->drm_connector->modes[0];
return drm_mode_to_video_mode(drmmode);
}
Videomode Connector::get_mode(const string& mode) const
{
auto c = m_priv->drm_connector;
for (int i = 0; i < c->count_modes; i++)
if (mode == c->modes[i].name)
return drm_mode_to_video_mode(c->modes[i]);
throw invalid_argument(mode + ": mode not found");
}
Videomode Connector::get_mode(unsigned xres, unsigned yres, float vrefresh, bool ilace) const
{
auto c = m_priv->drm_connector;
for (int i = 0; i < c->count_modes; i++) {
Videomode m = drm_mode_to_video_mode(c->modes[i]);
if (m.hdisplay != xres || m.vdisplay != yres)
continue;
if (ilace != m.interlace())
continue;
if (vrefresh && vrefresh != m.calculated_vrefresh())
continue;
return m;
}
// If not found, do another round using rounded vrefresh
for (int i = 0; i < c->count_modes; i++) {
Videomode m = drm_mode_to_video_mode(c->modes[i]);
if (m.hdisplay != xres || m.vdisplay != yres)
continue;
if (ilace != m.interlace())
continue;
if (vrefresh && vrefresh != roundf(m.calculated_vrefresh()))
continue;
return m;
}
throw invalid_argument("mode not found");
}
bool Connector::connected() const
{
return m_priv->drm_connector->connection == DRM_MODE_CONNECTED ||
m_priv->drm_connector->connection == DRM_MODE_UNKNOWNCONNECTION;
}
vector<Crtc*> Connector::get_possible_crtcs() const
{
vector<Crtc*> crtcs;
for (int i = 0; i < m_priv->drm_connector->count_encoders; ++i) {
auto enc = card().get_encoder(m_priv->drm_connector->encoders[i]);
auto l = enc->get_possible_crtcs();
crtcs.insert(crtcs.end(), l.begin(), l.end());
}
return crtcs;
}
Crtc* Connector::get_current_crtc() const
{
if (m_current_encoder)
return m_current_encoder->get_crtc();
else
return 0;
}
uint32_t Connector::connector_type() const
{
return m_priv->drm_connector->connector_type;
}
uint32_t Connector::connector_type_id() const
{
return m_priv->drm_connector->connector_type_id;
}
uint32_t Connector::mmWidth() const
{
return m_priv->drm_connector->mmWidth;
}
uint32_t Connector::mmHeight() const
{
return m_priv->drm_connector->mmHeight;
}
uint32_t Connector::subpixel() const
{
return m_priv->drm_connector->subpixel;
}
const string& Connector::subpixel_str() const
{
return subpix_str.at(subpixel());
}
std::vector<Videomode> Connector::get_modes() const
{
vector<Videomode> modes;
for (int i = 0; i < m_priv->drm_connector->count_modes; i++)
modes.push_back(drm_mode_to_video_mode(
m_priv->drm_connector->modes[i]));
return modes;
}
std::vector<Encoder*> Connector::get_encoders() const
{
vector<Encoder*> encoders;
for (int i = 0; i < m_priv->drm_connector->count_encoders; i++) {
auto enc = card().get_encoder(m_priv->drm_connector->encoders[i]);
encoders.push_back(enc);
}
return encoders;
}
}
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