Re: [PATCH] airspy: AirSpy SDR driver

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Moikka Hans!

On 07/14/2014 10:34 PM, Hans Verkuil wrote:
On 07/14/2014 09:27 PM, Antti Palosaari wrote:
AirSpy SDR driver.

Thanks to Youssef Touil and Benjamin Vernoux for support, help and
hardware!
http://airspy.com/

Signed-off-by: Antti Palosaari <crope@xxxxxx>
---
  drivers/staging/media/Kconfig         |    1 +
  drivers/staging/media/Makefile        |    1 +
  drivers/staging/media/airspy/Kconfig  |    5 +
  drivers/staging/media/airspy/Makefile |    1 +
  drivers/staging/media/airspy/airspy.c | 1120 +++++++++++++++++++++++++++++++++
  5 files changed, 1128 insertions(+)
  create mode 100644 drivers/staging/media/airspy/Kconfig
  create mode 100644 drivers/staging/media/airspy/Makefile
  create mode 100644 drivers/staging/media/airspy/airspy.c


It's a new driver, so the usual question: can you post the output from the
latest v4l2-compliance? 'v4l2-compliance -S /dev/swradioX -s'

It looks good, but I always like to see the output of that as a record and
as a verification that someone actually ran it :-)

I actually ran v4l2-compliance and there was problem with ADC band enumeration. v4l2-compliance didn't liked as ADC freq was just 20MHz, both upper and lower limit. Due to that I added even small hack to driver,

+		.rangelow   = 20000000,
+		.rangehigh  = 20000001, /* FIXME: make v4l2-compliance happy */

But here is new ran, brand new v4l2-compliance:

[crope@localhost v4l-utils]$ which v4l2-compliance
/usr/local/bin/v4l2-compliance
[crope@localhost v4l-utils]$ ls -l /usr/local/bin/v4l2-compliance
-rwxr-xr-x. 1 root root 1497964 Jul 14 22:50 /usr/local/bin/v4l2-compliance
[crope@localhost v4l-utils]$ /usr/local/bin/v4l2-compliance -S /dev/swradio0 -s
Driver Info:
	Driver name   : airspy
	Card type     : AirSpy SDR
	Bus info      : usb-0000:00:13.2-1
	Driver version: 3.15.0
	Capabilities  : 0x85110000
		SDR Capture
		Tuner
		Read/Write
		Streaming
		Device Capabilities
	Device Caps   : 0x05110000
		SDR Capture
		Tuner
		Read/Write
		Streaming

Compliance test for device /dev/swradio0 (not using libv4l2):

Required ioctls:
	test VIDIOC_QUERYCAP: OK

Allow for multiple opens:
	test second sdr open: OK
	test VIDIOC_QUERYCAP: OK
	test VIDIOC_G/S_PRIORITY: OK

Debug ioctls:
	test VIDIOC_DBG_G/S_REGISTER: OK
	test VIDIOC_LOG_STATUS: OK

Input ioctls:
	test VIDIOC_G/S_TUNER: OK
	test VIDIOC_G/S_FREQUENCY: OK
	test VIDIOC_S_HW_FREQ_SEEK: OK (Not Supported)
	test VIDIOC_ENUMAUDIO: OK (Not Supported)
	test VIDIOC_G/S/ENUMINPUT: OK (Not Supported)
	test VIDIOC_G/S_AUDIO: OK (Not Supported)
	Inputs: 0 Audio Inputs: 0 Tuners: 2

Output ioctls:
	test VIDIOC_G/S_MODULATOR: OK (Not Supported)
	test VIDIOC_G/S_FREQUENCY: OK
	test VIDIOC_ENUMAUDOUT: OK (Not Supported)
	test VIDIOC_G/S/ENUMOUTPUT: OK (Not Supported)
	test VIDIOC_G/S_AUDOUT: OK (Not Supported)
	Outputs: 0 Audio Outputs: 0 Modulators: 0

Input/Output configuration ioctls:
	test VIDIOC_ENUM/G/S/QUERY_STD: OK (Not Supported)
	test VIDIOC_ENUM/G/S/QUERY_DV_TIMINGS: OK (Not Supported)
	test VIDIOC_DV_TIMINGS_CAP: OK (Not Supported)
	test VIDIOC_G/S_EDID: OK (Not Supported)

	Control ioctls:
		test VIDIOC_QUERYCTRL/MENU: OK
		test VIDIOC_G/S_CTRL: OK
		test VIDIOC_G/S/TRY_EXT_CTRLS: OK
		test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: OK
		test VIDIOC_G/S_JPEGCOMP: OK (Not Supported)
		Standard Controls: 6 Private Controls: 0

	Format ioctls:
		test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: OK
		test VIDIOC_G/S_PARM: OK (Not Supported)
		test VIDIOC_G_FBUF: OK (Not Supported)
		test VIDIOC_G_FMT: OK
		test VIDIOC_TRY_FMT: OK
		test VIDIOC_S_FMT: OK
		test VIDIOC_G_SLICED_VBI_CAP: OK (Not Supported)

	Codec ioctls:
		test VIDIOC_(TRY_)ENCODER_CMD: OK (Not Supported)
		test VIDIOC_G_ENC_INDEX: OK (Not Supported)
		test VIDIOC_(TRY_)DECODER_CMD: OK (Not Supported)

	Buffer ioctls:
		test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK
		test VIDIOC_EXPBUF: OK (Not Supported)

Streaming ioctls:
	test read/write: OK
	test MMAP: OK
	test USERPTR: OK
	test DMABUF: OK

Total: 42, Succeeded: 42, Failed: 0, Warnings: 0
[crope@localhost v4l-utils]$

regards
Antti

--
http://palosaari.fi/
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