I.MX6: TW8836_TVIN(BT656) ===> CSI0 (8-Bit / CSI0_DAT12 : CSI0_DAT19)

[rajucm]

Dear All,

We are developing TVIN V4L2 Slave driver for TW8836 (Video codec Chip from I).

This VCODEC chip can output BT656 standard YCbCr (8bit) NTSC/PAL video standard.

In my schematic,

TW8836(VCODEC) ===connected===>IMx6q's CSI0 (CSI0_DAT12 : CSI0_DAT19).

It also has HSYNC & VSYNC Lines for video synchronization.

I have followed, ADV7180 as a example driver and initialized TW8836 with vendor recommended values using I2C.

I used following IOCTL callback to configure TW8836

=================================================================================================

static int ioctl_dev_init(struct v4l2_int_device *s)

{

    int ret;

    tw8836_data.on = true;

    pr_debug("In tw8836:ioctl_dev_init\n");

    ret = tw8836_chip_init();      // <--- Configure TW8836 to output BT656 standard video

                                            //       Configurations were given by TW8836 vendor

    return ret;

}

We further check that, I2C read/Writes are perfect and sensor configured for given values.

Also we measured, Pix-clock using scope i.e 27MHz (cool.. I believe it is as per standard).

====================================================================================================

Then, I tried using mxc_v4l2_tvin application as recommended as follows...

root@sabresd_6dq:/ # mxc_v4l2_tvin -ow 720 -oh 525 -ol 10 -ot 20 -f YUV422

        mxc_v4l2_tvin -ow 720 -oh 480 -ol 20

        TV decoder chip is tw8836_decoder

        driver=mxc_vout, card=DISP3 FG, bus=, version=0x00000000, capabilities=0x04000002

        fmt RGB565: fourcc = 0x50424752

        fmt BGR24: fourcc = 0x33524742

        fmt RGB24: fourcc = 0x33424752

        fmt RGB32: fourcc = 0x34424752

        fmt BGR32: fourcc = 0x34524742

        fmt NV12: fourcc = 0x3231564e

        fmt UYVY: fourcc = 0x59565955

        fmt YUYV: fourcc = 0x56595559

        fmt YUV422 planar: fourcc = 0x50323234

        fmt YUV444: fourcc = 0x34343459

        fmt YUV420: fourcc = 0x32315559

        fmt YVU420: fourcc = 0x32315659

        fmt TILED NV12P: fourcc = 0x50564e54

        fmt TILED NV12F: fourcc = 0x46564e54

        fmt YUV444 planar: fourcc = 0x50343434

        start time = 86476 s, 582752 us

Now what we can see is, a window is displayed with noise (may be white noise). I have updated screen snap shot (pleas check).

Can any one give me some hint. What could be gone wrong???   Please lemme know if more info needed...

javascript:;

Please help me....

Thanks,

Rajucm

[david5icp]

Hi Raju CM,

We also using TW8836 chip for other application and glad to hear success case!!

As you say::

"Make sure pclk(27MHz) and your input must be standard UYUV / YCbCr 4:2:2 NTSC / PAL."

But i.mx6 only support  YUV422 (YUYV) and YUV422 (UYVY) input format, not include UYUV...

Do we need to do format converter or not ? Or what kind of pixelformat you use ? Thanks!

BR.

David Wu

[echozeng]

You can get init code of tw**** form vendor. My tw9900 is working now.

[JohnDoe1z]

Could you please provide your driver for the TW9900? I'm also planning to use that video-adc; would be nice to have some code to start with.

[echozeng]

please email to  zengzh@139.com

[curtl]

rajucm​, can you share your vendor provided tw8836_chip_init() code?

[rajucm]

Dear all,

May I get some help on this... please give me some direction.

Thank you,

Raju

[rajucm]

Dear All,

Some info,

as explained in De-interlace Capture Device I have applied add-csi-deinterlace-capture.patch.zip patch.

From logs evry thing looks ok. Isee propes Que & Dequeue Buffer.

But still I see white noise as uploaded in above pic.

Please gimme some pointer.....

root@sabresd_6dq:/ # mxc_v4l2_tvin -ow 720 -oh 480 -ol 10 -ot 20

mxc_v4l2_tvin -ow 720 -oh 480 -ol 10 -ot 20

TV decoder chip is ov5640_camera

driver=mxc_vout, card=DISP3 FG, bus=, version=0x00000000, capabilities=0x04000002

fmt RGB565: fourcc = 0x50424752

fmt BGR24: fourcc = 0x33524742

fmt RGB24: fourcc = 0x33424752

fmt RGB32: fourcc = 0x34424752

fmt BGR32: fourcc = 0x34524742

fmt NV12: fourcc = 0x3231564e

fmt UYVY: fourcc = 0x59565955

fmt YUYV: fourcc = 0x56595559

fmt YUV422 planar: fourcc = 0x50323234

fmt YUV444: fourcc = 0x34343459

fmt YUV420: fourcc = 0x32315559

fmt YVU420: fourcc = 0x32315659

fmt TILED NV12P: fourcc = 0x50564e54

fmt TILED NV12F: fourcc = 0x46564e54

fmt YUV444 planar: fourcc = 0x50343434

=========================================================================

In MVC: mxc_v4l_open

mxc_v4l_open 1606    device name is Mxc Camera

ioctl_g_ifparm 276 TW8836: tw8836_p ioctl_g_ifparm

ioctl_g_fmt_cap 326 TW8836:

ioctl_g_fmt_cap 332 TW8836: V4L2_BUF_TYPE_VIDEO_CAPTURE Returning size of 720x525

mxc_v4l_open 1705 End of mxc_v4l_open: v2f pix widthxheight 720 x 480

mxc_v4l_open 1708 End of mxc_v4l_open: crop_bounds widthxheight 720 x 525

mxc_v4l_open 1711 End of mxc_v4l_open: crop_defrect widthxheight 720 x 525

mxc_v4l_open 1714 End of mxc_v4l_open: crop_current widthxheight 720 x 525

mxc_v4l_open 1718 On Open: Input to ipu size is 720 x 525

imx-ipuv3 imx-ipuv3.0: CSI_SENS_CONF = 0x00000A02

imx-ipuv3 imx-ipuv3.0: CSI_ACT_FRM_SIZE = 0x020C02CF

In tw8836:ioctl_s_power 1

In tw8836:ioctl_init

ioctl_dev_init 224 TW8836: In tw8836:ioctl_dev_init

tw8836_chip_init 196 TW8836: ==> called, Initialize CVBS IN to PLAIN BT656 OUT

tw8836_write_reg 142 TW8836: PAGE Reg value changed to ox0

tw8836_write_reg 142 TW8836: PAGE Reg value changed to ox1

tw8836_write_reg 142 TW8836: PAGE Reg value changed to ox2

tw8836_write_reg 142 TW8836: PAGE Reg value changed to ox6

tw8836 0-0045: INIT DONE

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl 80685600

mxc_v4l_do_ioctl 1953    case VIDIOC_QUERYCAP

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c02c5651

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0045627

mxc_v4l_do_ioctl 2354    case VIDIOC_S_INPUT 1

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl 80085617

mxc_v4l_do_ioctl 2286    case VIDIOC_G_STD

mxc_v4l2_g_std 1502 In mxc_v4l2_g_std

ioctl_g_fmt_cap 326 TW8836:

ioctl_g_fmt_cap 337 TW8836: V4L2_BUF_TYPE_PRIVATE

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl 40085618

mxc_v4l_do_ioctl 2298    case VIDIOC_S_STD

mxc_v4l2_s_std 1456 In mxc_v4l2_s_std b000

mxc_v4l2_s_std 1464    Setting standard to NTSC b000

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c02c563a

mxc_v4l_do_ioctl 2140    case VIDIOC_CROPCAP

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0cc5616

mxc_v4l_do_ioctl 2266    case VIDIOC_S_PARM

mxc_v4l2_s_param 1320 In mxc_v4l2_s_param

In tw8836:ioctl_g_parm

ioctl_g_parm 370 TW8836:    type is V4L2_BUF_TYPE_VIDEO_CAPTURE

mxc_v4l2_s_param 1348    Current capabilities are 0

mxc_v4l2_s_param 1351    Current capturemode is 0  change to 0

mxc_v4l2_s_param 1353    Current framerate is 30  change to 0

In tw8836:ioctl_s_parm

ioctl_g_ifparm 276 TW8836: tw8836_p ioctl_g_ifparm

mxc_v4l2_s_param 1382    clock_curr=mclk=0

ioctl_g_fmt_cap 326 TW8836:

ioctl_g_fmt_cap 332 TW8836: V4L2_BUF_TYPE_VIDEO_CAPTURE Returning size of 720x525

mxc_v4l2_s_param 1407    g_fmt_cap returns widthxheight of input as 720 x 525

imx-ipuv3 imx-ipuv3.0: CSI_SENS_CONF = 0x00008A32

imx-ipuv3 imx-ipuv3.0: CSI_ACT_FRM_SIZE = 0x01DF02CF

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0cc5605

mxc_v4l_do_ioctl 1980    case VIDIOC_S_FMT

mxc_v4l2_s_fmt 817 In MVC: mxc_v4l2_s_fmt

mxc_v4l2_s_fmt 821    type=V4L2_BUF_TYPE_VIDEO_CAPTURE

mxc_v4l2_s_fmt 959 End of mxc_v4l2_s_fmt: v2f pix widthxheight 720 x 480

mxc_v4l2_s_fmt 962 End of mxc_v4l2_s_fmt: crop_bounds widthxheight 720 x 525

mxc_v4l2_s_fmt 965 End of mxc_v4l2_s_fmt: crop_defrect widthxheight 720 x 525

mxc_v4l2_s_fmt 968 End of mxc_v4l2_s_fmt: crop_current widthxheight 720 x 480

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0cc5604

mxc_v4l_do_ioctl 1970    case VIDIOC_G_FMT

mxc_v4l2_g_fmt 769 In MVC: mxc_v4l2_g_fmt type=1

mxc_v4l2_g_fmt 773    type is V4L2_BUF_TYPE_VIDEO_CAPTURE

mxc_v4l2_g_fmt 787 End of mxc_v4l2_g_fmt: v2f pix widthxheight 720 x 480

mxc_v4l2_g_fmt 790 End of mxc_v4l2_g_fmt: crop_bounds widthxheight 720 x 525

mxc_v4l2_g_fmt 793 End of mxc_v4l2_g_fmt: crop_defrect widthxheight 720 x 525

mxc_v4l2_g_fmt 796 End of mxc_v4l2_g_fmt: crop_current widthxheight 720 x 480

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0145608

mxc_v4l_do_ioctl 1990    case VIDIOC_REQBUFS

mxc_streamoff 497 In MVC:mxc_streamoff

mxc_free_frame_buf 241 MVC: In mxc_free_frame_buf

mxc_allocate_frame_buf 268 In MVC:mxc_allocate_frame_buf - size=691200

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0445609

mxc_v4l_do_ioctl 2019    case VIDIOC_QUERYBUF

mxc_v4l2_buffer_status 328 In MVC:mxc_v4l2_buffer_status

mxc_mmap 2478 In MVC:mxc_mmap

mxc_mmap 2480    pgoff=0x21a00, start=0x40738000, end=0x407e1000

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0445609

mxc_v4l_do_ioctl 2019    case VIDIOC_QUERYBUF

mxc_v4l2_buffer_status 328 In MVC:mxc_v4l2_buffer_status

mxc_mmap 2478 In MVC:mxc_mmap

mxc_mmap 2480    pgoff=0x21b00, start=0x40831000, end=0x408da000

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0445609

mxc_v4l_do_ioctl 2019    case VIDIOC_QUERYBUF

mxc_v4l2_buffer_status 328 In MVC:mxc_v4l2_buffer_status

mxc_mmap 2478 In MVC:mxc_mmap

mxc_mmap 2480    pgoff=0x1e000, start=0x409a9000, end=0x40a52000

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c044560f

mxc_v4l_do_ioctl 2052    case VIDIOC_QBUF

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c044560f

mxc_v4l_do_ioctl 2052    case VIDIOC_QBUF

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c044560f

mxc_v4l_do_ioctl 2052    case VIDIOC_QBUF

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl 40045612

mxc_v4l_do_ioctl 2103    case VIDIOC_STREAMON

mxc_streamon 409 In MVC:mxc_streamon

mxc_streamon 445 Debug pointer

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl 80085617

mxc_v4l_do_ioctl 2286    case VIDIOC_G_STD

mxc_v4l2_g_std 1502 In mxc_v4l2_g_std

ioctl_g_fmt_cap 326 TW8836:

ioctl_g_fmt_cap 337 TW8836: V4L2_BUF_TYPE_PRIVATE

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0445611

mxc_v4l_do_ioctl 2087    case VIDIOC_DQBUF

mxc_v4l_dqueue 1542 In MVC:mxc_v4l_dqueue

camera_callback 2578 In MVC:camera_callback

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c044560f

mxc_v4l_do_ioctl 2052    case VIDIOC_QBUF

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl 80085617

mxc_v4l_do_ioctl 2286    case VIDIOC_G_STD

mxc_v4l2_g_std 1502 In mxc_v4l2_g_std

ioctl_g_fmt_cap 326 TW8836:

ioctl_g_fmt_cap 337 TW8836: V4L2_BUF_TYPE_PRIVATE

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0445611

mxc_v4l_do_ioctl 2087    case VIDIOC_DQBUF

mxc_v4l_dqueue 1542 In MVC:mxc_v4l_dqueue

imx-ipuv3 imx-ipuv3.0: IPU Warning - IPU_INT_STAT_5 = 0x00000001

camera_callback 2578 In MVC:camera_callback

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c044560f

mxc_v4l_do_ioctl 2052    case VIDIOC_QBUF

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl 80085617

mxc_v4l_do_ioctl 2286    case VIDIOC_G_STD

mxc_v4l2_g_std 1502 In mxc_v4l2_g_std

ioctl_g_fmt_cap 326 TW8836:

ioctl_g_fmt_cap 337 TW8836: V4L2_BUF_TYPE_PRIVATE

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0445611

mxc_v4l_do_ioctl 2087    case VIDIOC_DQBUF

mxc_v4l_dqueue 1542 In MVC:mxc_v4l_dqueue

camera_callback 2578 In MVC:camera_callback

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c044560f

mxc_v4l_do_ioctl 2052    case VIDIOC_QBUF

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl 80085617

mxc_v4l_do_ioctl 2286    case VIDIOC_G_STD

mxc_v4l2_g_std 1502 In mxc_v4l2_g_std

ioctl_g_fmt_cap 326 TW8836:

ioctl_g_fmt_cap 337 TW8836: V4L2_BUF_TYPE_PRIVATE

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0445611

mxc_v4l_do_ioctl 2087    case VIDIOC_DQBUF

mxc_v4l_dqueue 1542 In MVC:mxc_v4l_dqueue

camera_callback 2578 In MVC:camera_callback

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c044560f

mxc_v4l_do_ioctl 2052    case VIDIOC_QBUF

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl 80085617

mxc_v4l_do_ioctl 2286    case VIDIOC_G_STD

mxc_v4l2_g_std 1502 In mxc_v4l2_g_std

ioctl_g_fmt_cap 326 TW8836:

ioctl_g_fmt_cap 337 TW8836: V4L2_BUF_TYPE_PRIVATE

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0445611

mxc_v4l_do_ioctl 2087    case VIDIOC_DQBUF

mxc_v4l_dqueue 1542 In MVC:mxc_v4l_dqueue

imx-ipuv3 imx-ipuv3.0: IPU Warning - IPU_INT_STAT_5 = 0x00000001

camera_callback 2578 In MVC:camera_callback

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c044560f

mxc_v4l_do_ioctl 2052    case VIDIOC_QBUF

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl 80085617

mxc_v4l_do_ioctl 2286    case VIDIOC_G_STD

mxc_v4l2_g_std 1502 In mxc_v4l2_g_std

ioctl_g_fmt_cap 326 TW8836:

ioctl_g_fmt_cap 337 TW8836: V4L2_BUF_TYPE_PRIVATE

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0445611

mxc_v4l_do_ioctl 2087    case VIDIOC_DQBUF

mxc_v4l_dqueue 1542 In MVC:mxc_v4l_dqueue

camera_callback 2578 In MVC:camera_callback

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c044560f

mxc_v4l_do_ioctl 2052    case VIDIOC_QBUF

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl 80085617

mxc_v4l_do_ioctl 2286    case VIDIOC_G_STD

mxc_v4l2_g_std 1502 In mxc_v4l2_g_std

ioctl_g_fmt_cap 326 TW8836:

ioctl_g_fmt_cap 337 TW8836: V4L2_BUF_TYPE_PRIVATE

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0445611

mxc_v4l_do_ioctl 2087    case VIDIOC_DQBUF

mxc_v4l_dqueue 1542 In MVC:mxc_v4l_dqueue

imx-ipuv3 imx-ipuv3.0: IPU Warning - IPU_INT_STAT_5 = 0x00000001

camera_callback 2578 In MVC:camera_callback

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c044560f

mxc_v4l_do_ioctl 2052    case VIDIOC_QBUF

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl 80085617

mxc_v4l_do_ioctl 2286    case VIDIOC_G_STD

mxc_v4l2_g_std 1502 In mxc_v4l2_g_std

ioctl_g_fmt_cap 326 TW8836:

ioctl_g_fmt_cap 337 TW8836: V4L2_BUF_TYPE_PRIVATE

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0445611

mxc_v4l_do_ioctl 2087    case VIDIOC_DQBUF

mxc_v4l_dqueue 1542 In MVC:mxc_v4l_dqueue

camera_callback 2578 In MVC:camera_callback

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c044560f

mxc_v4l_do_ioctl 2052    case VIDIOC_QBUF

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl 80085617

mxc_v4l_do_ioctl 2286    case VIDIOC_G_STD

mxc_v4l2_g_std 1502 In mxc_v4l2_g_std

ioctl_g_fmt_cap 326 TW8836:

ioctl_g_fmt_cap 337 TW8836: V4L2_BUF_TYPE_PRIVATE

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0445611

mxc_v4l_do_ioctl 2087    case VIDIOC_DQBUF

mxc_v4l_dqueue 1542 In MVC:mxc_v4l_dqueue

camera_callback 2578 In MVC:camera_callback

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c044560f

mxc_v4l_do_ioctl 2052    case VIDIOC_QBUF

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl 80085617

mxc_v4l_do_ioctl 2286    case VIDIOC_G_STD

mxc_v4l2_g_std 1502 In mxc_v4l2_g_std

ioctl_g_fmt_cap 326 TW8836:

ioctl_g_fmt_cap 337 TW8836: V4L2_BUF_TYPE_PRIVATE

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0445611

mxc_v4l_do_ioctl 2087    case VIDIOC_DQBUF

mxc_v4l_dqueue 1542 In MVC:mxc_v4l_dqueue

camera_callback 2578 In MVC:camera_callback

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c044560f

mxc_v4l_do_ioctl 2052    case VIDIOC_QBUF

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl 80085617

mxc_v4l_do_ioctl 2286    case VIDIOC_G_STD

mxc_v4l2_g_std 1502 In mxc_v4l2_g_std

ioctl_g_fmt_cap 326 TW8836:

ioctl_g_fmt_cap 337 TW8836: V4L2_BUF_TYPE_PRIVATE

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0445611

mxc_v4l_do_ioctl 2087    case VIDIOC_DQBUF

mxc_v4l_dqueue 1542 In MVC:mxc_v4l_dqueue

imx-ipuv3 imx-ipuv3.0: IPU Warning - IPU_INT_STAT_5 = 0x00000001

camera_callback 2578 In MVC:camera_callback

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c044560f

mxc_v4l_do_ioctl 2052    case VIDIOC_QBUF

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl 80085617

mxc_v4l_do_ioctl 2286    case VIDIOC_G_STD

mxc_v4l2_g_std 1502 In mxc_v4l2_g_std

ioctl_g_fmt_cap 326 TW8836:

ioctl_g_fmt_cap 337 TW8836: V4L2_BUF_TYPE_PRIVATE

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0445611

mxc_v4l_do_ioctl 2087    case VIDIOC_DQBUF

mxc_v4l_dqueue 1542 In MVC:mxc_v4l_dqueue

camera_callback 2578 In MVC:camera_callback

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c044560f

mxc_v4l_do_ioctl 2052    case VIDIOC_QBUF

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl 80085617

mxc_v4l_do_ioctl 2286    case VIDIOC_G_STD

mxc_v4l2_g_std 1502 In mxc_v4l2_g_std

ioctl_g_fmt_cap 326 TW8836:

ioctl_g_fmt_cap 337 TW8836: V4L2_BUF_TYPE_PRIVATE

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0445611

mxc_v4l_do_ioctl 2087    case VIDIOC_DQBUF

mxc_v4l_dqueue 1542 In MVC:mxc_v4l_dqueue

imx-ipuv3 imx-ipuv3.0: IPU Warning - IPU_INT_STAT_5 = 0x00000001

camera_callback 2578 In MVC:camera_callback

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c044560f

mxc_v4l_do_ioctl 2052    case VIDIOC_QBUF

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl 80085617

mxc_v4l_do_ioctl 2286    case VIDIOC_G_STD

mxc_v4l2_g_std 1502 In mxc_v4l2_g_std

ioctl_g_fmt_cap 326 TW8836:

ioctl_g_fmt_cap 337 TW8836: V4L2_BUF_TYPE_PRIVATE

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0445611

mxc_v4l_do_ioctl 2087    case VIDIOC_DQBUF

mxc_v4l_dqueue 1542 In MVC:mxc_v4l_dqueue

camera_callback 2578 In MVC:camera_callback

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c044560f

mxc_v4l_do_ioctl 2052    case VIDIOC_QBUF

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl 80085617

mxc_v4l_do_ioctl 2286    case VIDIOC_G_STD

mxc_v4l2_g_std 1502 In mxc_v4l2_g_std

ioctl_g_fmt_cap 326 TW8836:

ioctl_g_fmt_cap 337 TW8836: V4L2_BUF_TYPE_PRIVATE

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0445611

mxc_v4l_do_ioctl 2087    case VIDIOC_DQBUF

mxc_v4l_dqueue 1542 In MVC:mxc_v4l_dqueue

camera_callback 2578 In MVC:camera_callback

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c044560f

mxc_v4l_do_ioctl 2052    case VIDIOC_QBUF

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl 80085617

mxc_v4l_do_ioctl 2286    case VIDIOC_G_STD

mxc_v4l2_g_std 1502 In mxc_v4l2_g_std

ioctl_g_fmt_cap 326 TW8836:

ioctl_g_fmt_cap 337 TW8836: V4L2_BUF_TYPE_PRIVATE

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0445611

mxc_v4l_do_ioctl 2087    case VIDIOC_DQBUF

mxc_v4l_dqueue 1542 In MVC:mxc_v4l_dqueue

camera_callback 2578 In MVC:camera_callback

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c044560f

mxc_v4l_do_ioctl 2052    case VIDIOC_QBUF

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl 80085617

mxc_v4l_do_ioctl 2286    case VIDIOC_G_STD

mxc_v4l2_g_std 1502 In mxc_v4l2_g_std

ioctl_g_fmt_cap 326 TW8836:

ioctl_g_fmt_cap 337 TW8836: V4L2_BUF_TYPE_PRIVATE

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0445611

mxc_v4l_do_ioctl 2087    case VIDIOC_DQBUF

mxc_v4l_dqueue 1542 In MVC:mxc_v4l_dqueue

camera_callback 2578 In MVC:camera_callback

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c044560f

mxc_v4l_do_ioctl 2052    case VIDIOC_QBUF

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl 80085617

mxc_v4l_do_ioctl 2286    case VIDIOC_G_STD

mxc_v4l2_g_std 1502 In mxc_v4l2_g_std

ioctl_g_fmt_cap 326 TW8836:

ioctl_g_fmt_cap 337 TW8836: V4L2_BUF_TYPE_PRIVATE

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0445611

mxc_v4l_do_ioctl 2087    case VIDIOC_DQBUF

mxc_v4l_dqueue 1542 In MVC:mxc_v4l_dqueue

camera_callback 2578 In MVC:camera_callback

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c044560f

mxc_v4l_do_ioctl 2052    case VIDIOC_QBUF

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl 80085617

mxc_v4l_do_ioctl 2286    case VIDIOC_G_STD

mxc_v4l2_g_std 1502 In mxc_v4l2_g_std

ioctl_g_fmt_cap 326 TW8836:

ioctl_g_fmt_cap 337 TW8836: V4L2_BUF_TYPE_PRIVATE

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0445611

mxc_v4l_do_ioctl 2087    case VIDIOC_DQBUF

mxc_v4l_dqueue 1542 In MVC:mxc_v4l_dqueue

camera_callback 2578 In MVC:camera_callback

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c044560f

mxc_v4l_do_ioctl 2052    case VIDIOC_QBUF

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl 80085617

mxc_v4l_do_ioctl 2286    case VIDIOC_G_STD

mxc_v4l2_g_std 1502 In mxc_v4l2_g_std

ioctl_g_fmt_cap 326 TW8836:

ioctl_g_fmt_cap 337 TW8836: V4L2_BUF_TYPE_PRIVATE

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0445611

mxc_v4l_do_ioctl 2087    case VIDIOC_DQBUF

mxc_v4l_dqueue 1542 In MVC:mxc_v4l_dqueue

camera_callback 2578 In MVC:camera_callback

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c044560f

mxc_v4l_do_ioctl 2052    case VIDIOC_QBUF

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl 80085617

mxc_v4l_do_ioctl 2286    case VIDIOC_G_STD

mxc_v4l2_g_std 1502 In mxc_v4l2_g_std

ioctl_g_fmt_cap 326 TW8836:

ioctl_g_fmt_cap 337 TW8836: V4L2_BUF_TYPE_PRIVATE

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0445611

mxc_v4l_do_ioctl 2087    case VIDIOC_DQBUF

mxc_v4l_dqueue 1542 In MVC:mxc_v4l_dqueue

camera_callback 2578 In MVC:camera_callback

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c044560f

mxc_v4l_do_ioctl 2052    case VIDIOC_QBUF

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl 80085617

mxc_v4l_do_ioctl 2286    case VIDIOC_G_STD

mxc_v4l2_g_std 1502 In mxc_v4l2_g_std

ioctl_g_fmt_cap 326 TW8836:

ioctl_g_fmt_cap 337 TW8836: V4L2_BUF_TYPE_PRIVATE

mxc_v4l_ioctl 2458 In MVC:mxc_v4l_ioctl

mxc_v4l_do_ioctl 1940 In MVC: mxc_v4l_do_ioctl c0445611

mxc_v4l_do_ioctl 2087    case VIDIOC_DQBUF

mxc_v4l_dqueue 1542 In MVC:mxc_v4l_dqueue

mxc_v4l_dqueue 1552 ERROR: v4l2 capture: mxc_v4l_dqueue() interrupt received

mxc_v4l_close 1761 In MVC:mxc_v4l_close

mxc_streamoff 497 In MVC:mxc_streamoff

imx-ipuv3 imx-ipuv3.0: CSI stop timeout - 5 * 10ms

mxc_free_frames 306 In MVC:mxc_free_frames

In tw8836:ioctl_s_power 0

mxc_v4l_close 1793 mxc_v4l_close: release resource

mxc_free_frame_buf 241 MVC: In mxc_free_frame_buf

mxc_free_frames 306 In MVC:mxc_free_frames

init: untracked pid 3069 exited

[rajucm]

I think it look like I am getting data from sensor....

mxc_v4l2_tvin directly dump the data to FB0,

Can any one tell me how to store this data in yuv file. So that at least I can play using YUV player and test.

any help would be appreciated...

Thanks,

Raju

[rajucm · Accepted solution]

Friends,

My V4L2 TVin driver is working. Its all about sensor configuration...^^

FAE gave me another set of tw8836 codec configuration and it just worked and now we can see video input.

Fortunately I myself answering my question :smileyhappy: (lol)

My Suggestions, Just follow tvin reference driver adv7180 given by Freescale and configure your sensor/videocodec chip with right values.

and run mxc_v4l2_tvin -ow 720 -oh 480 -ol 10 -ot 20. If it at all there is a problem, you can assume that its problem with HW or sensor configuration.

Make sure pclk(27MHz) and your input must be standard UYUV / YCbCr 4:2:2 NTSC / PAL.

Thanks,

Rajucm