admin-guide/media/mgb4.rst

1 .. SPDX-License-Identifier: GPL-2.0
11 There are two types of parameters - global / PCI card related, found under
22     | 0 - No module present
23     | 1 - FPDL3
24     | 2 - GMSL
32     | 1 - FPDL3
33     | 2 - GMSL
41         PRODUCT-REVISION-SERIES-SERIAL
46 Common FPDL3/GMSL input parameters
50     Input number ID, zero based.
55     | 0 - single
56     | 1 - dual (default)
61     | 0 - OLDI/JEIDA
62     | 1 - SPWG/VESA (default)
69     A value of 0 is equivalent to the V4L2_IN_ST_NO_SYNC flag of the V4L2
72     | 0 - unlocked
73     | 1 - locked
76     Video stream status. A stream is detected if the link is locked, the input
79     A value of 0 is equivalent to the V4L2_IN_ST_NO_SIGNAL flag of the V4L2
82     | 0 - not detected
83     | 1 - detected
88     The value is identical to what VIDIOC_QUERY_DV_TIMINGS returns in the width
94     The value is identical to what VIDIOC_QUERY_DV_TIMINGS returns in the height
100     The value is equivalent to the flags returned by VIDIOC_QUERY_DV_TIMINGS in
103     | 0 - active low
104     | 1 - active high
105     | 2 - not available
110     The value is equivalent to the flags returned by VIDIOC_QUERY_DV_TIMINGS in
113     | 0 - active low
114     | 1 - active high
115     | 2 - not available
120     the correct frame ordering. This value indicates, how many "empty" pixels
127     the correct frame ordering. This value indicates, how many "empty" pixels
129     internal HSYNC pulse. The value must be greater than 1 and smaller than
133     Input pixel clock frequency in kHz.
135     The value is identical to what VIDIOC_QUERY_DV_TIMINGS returns in
144     The value is identical to what VIDIOC_QUERY_DV_TIMINGS returns in
150     The value is identical to what VIDIOC_QUERY_DV_TIMINGS returns in
157     The value is identical to what VIDIOC_QUERY_DV_TIMINGS returns in
164     The value is identical to what VIDIOC_QUERY_DV_TIMINGS returns in
171     The value is identical to what VIDIOC_QUERY_DV_TIMINGS returns in
178     The value is identical to what VIDIOC_QUERY_DV_TIMINGS returns in
182     PLL frequency range of the OLDI input clock generator. The PLL frequency is
187     | 0 - PLL < 50MHz (default)
188     | 1 - PLL >= 50MHz
190     *Note: This parameter can not be changed while the input v4l2 device is
202     input and the v4l2 output devices are disabled. If set to 2 or 3, the source
206     | 0 - input 0
207     | 1 - input 1
208     | 2 - v4l2 output 0
209     | 3 - v4l2 output 1
211     *Note: This parameter can not be changed while ANY of the input/output v4l2
216     proper value must be set before the start of streaming. The default width
224     proper value must be set before the start of streaming. The default height
237     | 0 - active low (default)
238     | 1 - active high
243     | 0 - active low (default)
244     | 1 - active high
249     | 0 - active low
250     | 1 - active high (default)
253     Output pixel clock frequency. Allowed values are between 25000-190000(kHz)
254     and there is a non-linear stepping between two consecutive allowed
256     value and sets it. When reading this property, you get the exact
263     Width of the HSYNC signal in pixels. The default value is 16.
266     Width of the VSYNC signal in video lines. The default value is 2.
270     valid pixel in the video line (marked by DE=1). The default value is 32.
274     line (marked by DE=1) and assertion of the HSYNC signal. The default value
279     line with the first valid pixel (marked by DE=1). The default value is 2.
283     by DE=1) and assertion of the VSYNC signal. The default value is 2.
286 FPDL3 specific input parameters
290     Number of deserializer input lines.
292     | 0 - auto (default)
293     | 1 - single
294     | 2 - dual
302     | 0 - auto (default)
303     | 1 - single
304     | 2 - dual
306 GMSL specific input parameters
312     | 0 - 12Gb/s (default)
313     | 1 - 6Gb/s
314     | 2 - 3Gb/s
315     | 3 - 1.5Gb/s
318     The GMSL multi-stream contains up to four video streams. This parameter
319     selects which stream is captured by the video input. The value is the
320     zero-based index of the stream. The default stream id is 0.
322     *Note: This parameter can not be changed while the input v4l2 device is
328     | 0 - disabled
329     | 1 - enabled (default)
337  - mgb4-fw.X - FPGA firmware.
338  - mgb4-data.X - Factory settings, e.g. card serial number.
340 The *mgb4-fw* partition is writable and is used for FW updates, *mgb4-data* is
341 read-only. The *X* attached to the partition name represents the card number.
343 also have a third partition named *mgb4-flash* available in the system. This
357 	| bit 1 - trigger 1 pending
358 	| bit 2 - trigger 2 pending
359 	| bit 5 - trigger 1 level
360 	| bit 6 - trigger 2 level
374 buffer mode - the values do not represent valid data in such case.*