Lines Matching +full:i2c +full:- +full:topology
1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_QUERYCAP - Query device capabilities
47 .. flat-table:: struct v4l2_capability
48 :header-rows: 0
49 :stub-columns: 0
52 * - __u8
53 - ``driver``\ [16]
54 - Name of the driver, a unique NUL-terminated ASCII string. For
62 sure the strings are properly NUL-terminated.
63 * - __u8
64 - ``card``\ [32]
65 - Name of the device, a NUL-terminated UTF-8 string. For example:
73 * - __u8
74 - ``bus_info``\ [32]
75 - Location of the device in the system, a NUL-terminated ASCII
79 devices controlled by the driver ("platform:vivid-000"). The
81 Express boards, "usb-" for USB devices, "I2C:" for i2c devices,
84 * - __u32
85 - ``version``
86 - Version number of the driver.
91 example, a stable or distribution-modified kernel uses the V4L2
97 * - :cspan:`2`
106 * - __u32
107 - ``capabilities``
108 - Available capabilities of the physical device as a whole, see
109 :ref:`device-capabilities`. The same physical device can export
118 * - __u32
119 - ``device_caps``
120 - Device capabilities of the opened device, see
121 :ref:`device-capabilities`. Should contain the available
129 * - __u32
130 - ``reserved``\ [3]
131 - Reserved for future extensions. Drivers must set this array to
137 .. _device-capabilities:
141 .. flat-table:: Device Capabilities Flags
142 :header-rows: 0
143 :stub-columns: 0
146 * - ``V4L2_CAP_VIDEO_CAPTURE``
147 - 0x00000001
148 - The device supports the single-planar API through the
150 * - ``V4L2_CAP_VIDEO_CAPTURE_MPLANE``
151 - 0x00001000
152 - The device supports the :ref:`multi-planar API <planar-apis>`
154 * - ``V4L2_CAP_VIDEO_OUTPUT``
155 - 0x00000002
156 - The device supports the single-planar API through the
158 * - ``V4L2_CAP_VIDEO_OUTPUT_MPLANE``
159 - 0x00002000
160 - The device supports the :ref:`multi-planar API <planar-apis>`
162 * - ``V4L2_CAP_VIDEO_M2M``
163 - 0x00008000
164 - The device supports the single-planar API through the Video
165 Memory-To-Memory interface.
166 * - ``V4L2_CAP_VIDEO_M2M_MPLANE``
167 - 0x00004000
168 - The device supports the :ref:`multi-planar API <planar-apis>`
169 through the Video Memory-To-Memory interface.
170 * - ``V4L2_CAP_VIDEO_OVERLAY``
171 - 0x00000004
172 - The device supports the :ref:`Video Overlay <overlay>`
176 * - ``V4L2_CAP_VBI_CAPTURE``
177 - 0x00000010
178 - The device supports the :ref:`Raw VBI Capture <raw-vbi>`
180 * - ``V4L2_CAP_VBI_OUTPUT``
181 - 0x00000020
182 - The device supports the :ref:`Raw VBI Output <raw-vbi>`
184 * - ``V4L2_CAP_SLICED_VBI_CAPTURE``
185 - 0x00000040
186 - The device supports the :ref:`Sliced VBI Capture <sliced>`
188 * - ``V4L2_CAP_SLICED_VBI_OUTPUT``
189 - 0x00000080
190 - The device supports the :ref:`Sliced VBI Output <sliced>`
192 * - ``V4L2_CAP_RDS_CAPTURE``
193 - 0x00000100
194 - The device supports the :ref:`RDS <rds>` capture interface.
195 * - ``V4L2_CAP_VIDEO_OUTPUT_OVERLAY``
196 - 0x00000200
197 - The device supports the :ref:`Video Output Overlay <osd>` (OSD)
203 * - ``V4L2_CAP_HW_FREQ_SEEK``
204 - 0x00000400
205 - The device supports the
208 * - ``V4L2_CAP_RDS_OUTPUT``
209 - 0x00000800
210 - The device supports the :ref:`RDS <rds>` output interface.
211 * - ``V4L2_CAP_TUNER``
212 - 0x00010000
213 - The device has some sort of tuner to receive RF-modulated video
216 * - ``V4L2_CAP_AUDIO``
217 - 0x00020000
218 - The device has audio inputs or outputs. It may or may not support
222 * - ``V4L2_CAP_RADIO``
223 - 0x00040000
224 - This is a radio receiver.
225 * - ``V4L2_CAP_MODULATOR``
226 - 0x00080000
227 - The device has some sort of modulator to emit RF-modulated
230 * - ``V4L2_CAP_SDR_CAPTURE``
231 - 0x00100000
232 - The device supports the :ref:`SDR Capture <sdr>` interface.
233 * - ``V4L2_CAP_EXT_PIX_FORMAT``
234 - 0x00200000
235 - The device supports the struct
237 * - ``V4L2_CAP_SDR_OUTPUT``
238 - 0x00400000
239 - The device supports the :ref:`SDR Output <sdr>` interface.
240 * - ``V4L2_CAP_META_CAPTURE``
241 - 0x00800000
242 - The device supports the :ref:`metadata` capture interface.
243 * - ``V4L2_CAP_READWRITE``
244 - 0x01000000
245 - The device supports the :c:func:`read()` and/or
247 * - ``V4L2_CAP_EDID``
248 - 0x02000000
249 - The device stores the EDID for a video input, or retrieves the EDID for a video
258 * - ``V4L2_CAP_STREAMING``
259 - 0x04000000
260 - The device supports the :ref:`streaming <mmap>` I/O method.
261 * - ``V4L2_CAP_META_OUTPUT``
262 - 0x08000000
263 - The device supports the :ref:`metadata` output interface.
264 * - ``V4L2_CAP_TOUCH``
265 - 0x10000000
266 - This is a touch device.
267 * - ``V4L2_CAP_IO_MC``
268 - 0x20000000
269 - There is only one input and/or output seen from userspace. The whole
270 video topology configuration, including which I/O entity is routed to
273 * - ``V4L2_CAP_DEVICE_CAPS``
274 - 0x80000000
275 - The driver fills the ``device_caps`` field. This capability can
282 On success 0 is returned, on error -1 and the ``errno`` variable is set
284 :ref:`Generic Error Codes <gen-errors>` chapter.