#include #include #include #include #include #include #include #include "helpers.h" using namespace std; namespace kms { #ifndef DRM_MODE_CONNECTOR_DPI #define DRM_MODE_CONNECTOR_DPI 17 #endif static const map 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" }, { DRM_MODE_CONNECTOR_DPI, "DPI" }, }; static const map connection_str = { { 0, "" }, { DRM_MODE_CONNECTED, "Connected" }, { DRM_MODE_DISCONNECTED, "Disconnected" }, { DRM_MODE_UNKNOWNCONNECTION, "Unknown" }, }; static const map 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::refresh() { drmModeFreeConnector(m_priv->drm_connector); 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); } 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; size_t idx = mode.find('@'); string name = idx == string::npos ? mode : mode.substr(0, idx); float vrefresh = idx == string::npos ? 0.0 : stod(mode.substr(idx + 1)); for (int i = 0; i < c->count_modes; i++) { Videomode m = drm_mode_to_video_mode(c->modes[i]); if (m.name != name) continue; if (vrefresh && vrefresh != m.calculated_vrefresh()) continue; return m; } 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; } ConnectorStatus Connector::connector_status() const { switch (m_priv->drm_connector->connection) { case DRM_MODE_CONNECTED: return ConnectorStatus::Connected; case DRM_MODE_DISCONNECTED: return ConnectorStatus::Disconnected; default: return ConnectorStatus::Unknown; } } vector Connector::get_possible_crtcs() const { vector 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 Connector::get_modes() const { vector 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 Connector::get_encoders() const { vector 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; } } a id='n127' href='#n127'>127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262