1*4882a593Smuzhiyun.. SPDX-License-Identifier: GPL-2.0 2*4882a593Smuzhiyun.. 3*4882a593Smuzhiyun.. Copyright 2019 Google LLC 4*4882a593Smuzhiyun.. 5*4882a593Smuzhiyun.. c:namespace:: CEC 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun.. _CEC_ADAP_G_CONNECTOR_INFO: 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun******************************* 10*4882a593Smuzhiyunioctl CEC_ADAP_G_CONNECTOR_INFO 11*4882a593Smuzhiyun******************************* 12*4882a593Smuzhiyun 13*4882a593SmuzhiyunName 14*4882a593Smuzhiyun==== 15*4882a593Smuzhiyun 16*4882a593SmuzhiyunCEC_ADAP_G_CONNECTOR_INFO - Query HDMI connector information 17*4882a593Smuzhiyun 18*4882a593SmuzhiyunSynopsis 19*4882a593Smuzhiyun======== 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun.. c:macro:: CEC_ADAP_G_CONNECTOR_INFO 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun``int ioctl(int fd, CEC_ADAP_G_CONNECTOR_INFO, struct cec_connector_info *argp)`` 24*4882a593Smuzhiyun 25*4882a593SmuzhiyunArguments 26*4882a593Smuzhiyun========= 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun``fd`` 29*4882a593Smuzhiyun File descriptor returned by :c:func:`open()`. 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun``argp`` 32*4882a593Smuzhiyun 33*4882a593SmuzhiyunDescription 34*4882a593Smuzhiyun=========== 35*4882a593Smuzhiyun 36*4882a593SmuzhiyunUsing this ioctl an application can learn which HDMI connector this CEC 37*4882a593Smuzhiyundevice corresponds to. While calling this ioctl the application should 38*4882a593Smuzhiyunprovide a pointer to a cec_connector_info struct which will be populated 39*4882a593Smuzhiyunby the kernel with the info provided by the adapter's driver. This ioctl 40*4882a593Smuzhiyunis only available if the ``CEC_CAP_CONNECTOR_INFO`` capability is set. 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun.. tabularcolumns:: |p{1.0cm}|p{4.4cm}|p{2.5cm}|p{9.6cm}| 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun.. c:type:: cec_connector_info 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun.. flat-table:: struct cec_connector_info 47*4882a593Smuzhiyun :header-rows: 0 48*4882a593Smuzhiyun :stub-columns: 0 49*4882a593Smuzhiyun :widths: 1 1 8 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun * - __u32 52*4882a593Smuzhiyun - ``type`` 53*4882a593Smuzhiyun - The type of connector this adapter is associated with. 54*4882a593Smuzhiyun * - union { 55*4882a593Smuzhiyun - ``(anonymous)`` 56*4882a593Smuzhiyun * - ``struct cec_drm_connector_info`` 57*4882a593Smuzhiyun - drm 58*4882a593Smuzhiyun - :ref:`cec-drm-connector-info` 59*4882a593Smuzhiyun * - } 60*4882a593Smuzhiyun - 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun.. tabularcolumns:: |p{4.4cm}|p{2.5cm}|p{10.6cm}| 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun.. _connector-type: 65*4882a593Smuzhiyun 66*4882a593Smuzhiyun.. flat-table:: Connector types 67*4882a593Smuzhiyun :header-rows: 0 68*4882a593Smuzhiyun :stub-columns: 0 69*4882a593Smuzhiyun :widths: 3 1 8 70*4882a593Smuzhiyun 71*4882a593Smuzhiyun * .. _`CEC-CONNECTOR-TYPE-NO-CONNECTOR`: 72*4882a593Smuzhiyun 73*4882a593Smuzhiyun - ``CEC_CONNECTOR_TYPE_NO_CONNECTOR`` 74*4882a593Smuzhiyun - 0 75*4882a593Smuzhiyun - No connector is associated with the adapter/the information is not 76*4882a593Smuzhiyun provided by the driver. 77*4882a593Smuzhiyun * .. _`CEC-CONNECTOR-TYPE-DRM`: 78*4882a593Smuzhiyun 79*4882a593Smuzhiyun - ``CEC_CONNECTOR_TYPE_DRM`` 80*4882a593Smuzhiyun - 1 81*4882a593Smuzhiyun - Indicates that a DRM connector is associated with this adapter. 82*4882a593Smuzhiyun Information about the connector can be found in 83*4882a593Smuzhiyun :ref:`cec-drm-connector-info`. 84*4882a593Smuzhiyun 85*4882a593Smuzhiyun.. tabularcolumns:: |p{4.4cm}|p{2.5cm}|p{10.6cm}| 86*4882a593Smuzhiyun 87*4882a593Smuzhiyun.. c:type:: cec_drm_connector_info 88*4882a593Smuzhiyun 89*4882a593Smuzhiyun.. _cec-drm-connector-info: 90*4882a593Smuzhiyun 91*4882a593Smuzhiyun.. flat-table:: struct cec_drm_connector_info 92*4882a593Smuzhiyun :header-rows: 0 93*4882a593Smuzhiyun :stub-columns: 0 94*4882a593Smuzhiyun :widths: 3 1 8 95*4882a593Smuzhiyun 96*4882a593Smuzhiyun * .. _`CEC-DRM-CONNECTOR-TYPE-CARD-NO`: 97*4882a593Smuzhiyun 98*4882a593Smuzhiyun - __u32 99*4882a593Smuzhiyun - ``card_no`` 100*4882a593Smuzhiyun - DRM card number: the number from a card's path, e.g. 0 in case of 101*4882a593Smuzhiyun /dev/card0. 102*4882a593Smuzhiyun * .. _`CEC-DRM-CONNECTOR-TYPE-CONNECTOR_ID`: 103*4882a593Smuzhiyun 104*4882a593Smuzhiyun - __u32 105*4882a593Smuzhiyun - ``connector_id`` 106*4882a593Smuzhiyun - DRM connector ID. 107