hdvpss tvp5158 superframe

weitao hou

Other Parts Discussed in Thread: TVP5158, TVP7002

hello,

My custom board used dm8148 and tvp5158 .By now,I ran saLoopBackFbdev.c and can captrue correct image from camera,when setting tvp5158 with 1CH D1 Mode.

ti81xx_vpss.c code is below :

static struct ti81xxvin_subdev_info hdvpss_capture_sdev_info[] = {

......

.video_capture_mode =
     VPS_CAPT_VIDEO_CAPTURE_MODE_SINGLE_CH_NON_MUX_EMBEDDED_SYNC,
  .video_if_mode = VPS_CAPT_VIDEO_IF_MODE_8BIT,
  .input_data_format = FVID2_DF_YUV422P,

}

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

Now, I will capture 4CH D1 with tvp5158,so set tvp5158 with 4ch D1 mode,and modify ti81xx_vpss.c code.

static struct ti81xxvin_subdev_info hdvpss_capture_sdev_info[] = {

......

.video_capture_mode =
     VPS_CAPT_VIDEO_CAPTURE_MODE_MULTI_CH_LINE_MUX_EMBEDDED_SYNC,
  .video_if_mode = VPS_CAPT_VIDEO_IF_MODE_8BIT,
  .input_data_format = FVID2_DF_YUV422P,

}

and I run saLoopBackFbdev.c,but it is go wrong when startCapture,the information on console is :VPSS_FVID2: create handle is NULL

ret = queueCaptureBuffers();
/* Start Captureing */
ret = startCapture();
/* Start capture and display loop */
for (i = 0; i < MAXLOOPCOUNT; i++) {
ret = ioctl(capt.fd, VIDIOC_DQBUF, &capt.buf);

I debuged the vpss driver kernel/driver/video/ti81xx/vpss/fvid2.c ,

void *vps_fvid2_create(u32 drvid,
   u32 instanceid,
   void *createargs,
   void *createstatusargs,
   struct fvid2_cbparams *cbparams)
{

struct vps_fvid2_ctrl *fctrl = NULL;
int status;
struct timeval stime, etime;
u32 td = 0;

fctrl = vps_alloc_fvid2_ctrl();
if (fctrl == NULL)
return NULL;

/*assembel the create parameter structure*/
fctrl->fcrprms->command = VPS_FVID2_CREATE;
fctrl->fcrprms->hosttaskinstance = VPS_FVID2_TASK_TYPE_1,
fctrl->fcrprms->createargs = createargs;
fctrl->fcrprms->createstatusargs = createstatusargs;
fctrl->fcrprms->drvid = drvid;
fctrl->fcrprms->cbparams = cbparams;
fctrl->fcrprms->instanceid = instanceid;
fctrl->fcrprms->fvid2handle = (void *)VPS_FVID2_M3_INIT_VALUE;

if (cbparams == NULL) {
  fctrl->fcrprms->ioreqcb = NULL;
  fctrl->fcrprms->errcb = NULL;
} else {
  fctrl->fcrprms->ioreqcb =
   (struct vps_psrvcallback *)fctrl->cbprms_phy;
  fctrl->fcrprms->errcb =
   (struct vps_psrverrorcallback *)fctrl->ecbprms_phy;
}

fctrl->cmdprms->cmdtype = VPS_FVID2_CMDTYPE_SIMPLEX;
fctrl->cmdprms->simplexcmdarg = (void *)fctrl->fcrprms_phy;
/*set the event to M3*/
#ifdef CONFIG_TI81XX_VPSS_SYSNLINK_NOTIFY
status = Notify_sendEvent(fctrl->rmprocid,
      fctrl->lineid,
      VPS_FVID2_RESERVED_NOTIFY,
      fctrl->cmdprms_phy,
      1);
#else
status = notify_send_event(fctrl->rmprocid,
      fctrl->lineid,
      VPS_FVID2_RESERVED_NOTIFY,
      fctrl->cmdprms_phy,
      1);
#endif
if (status < 0) {
  VPSSERR("send create event failed with status 0x%0x\n",
     status);
  goto exit;
}
do_gettimeofday(&stime);
etime = stime;
while ((fctrl->fcrprms->fvid2handle ==
      (void *)VPS_FVID2_M3_INIT_VALUE)) {
  usleep_range(100, 300);
  /*time out check*/
  if (vps_timeout) {
   do_gettimeofday(&etime);
   td = time_diff(stime, etime);
   if (vps_timeout < td) {
    VPSSERR("create timeout\n");
    goto exit;

}
}
}

fctrl->notifyno = fctrl->fcrprms->syslnkntyno;
fctrl->fvid2handle = (u32)fctrl->fcrprms->fvid2handle;

VPSSDBG("Fvid2 handle 0x%08x with notifyno %d within %d ms\n",
  (u32)fctrl->fvid2handle,
  fctrl->notifyno,
  td);

if (fctrl->fvid2handle == 0) {
VPSSERR("create handle is NULL\n");
goto exit;
}

How can I resolve this problem?and should I modify saLoopBackFbdev.c because of capturing SuperFame?

Thanks

over 12 years ago

0 Margarita Gashova over 12 years ago

TI__Guru* 80190 points

Hello,

What is the software, that you are using? Is it EZSDK?

Best Regards,

Margarita

0 weitao hou over 12 years ago in reply to Margarita Gashova

Prodigy 100 points

hi,

My software is ti-ezsdk_dm814x-evm_5_05_01_04.

thanks

0 HardikShah over 12 years ago in reply to weitao hou

TI__Mastermind 20245 points

Hi,

V4L2 capture driver is not designed for handing multi channel TVP5158. Its better to use DVRRDK for multi channel use case unless you plan to invest substantially in bringing up multi channel on V4L2.

0 Margarita Gashova over 12 years ago in reply to weitao hou

TI__Guru* 80190 points

Hello,

weitao hou said:
My software is ti-ezsdk_dm814x-evm_5_05_01_04.

        /* Multi-channel line-multiplexed mode. This is not supported by V4L2 capture driver */
        VPS_CAPT_VIDEO_CAPTURE_MODE_MULTI_CH_LINE_MUX_EMBEDDED_SYNC,        
 
        /* Multi-channel pixel muxed. This is not supported by V4L2 capture driver */
        VPS_CAPT_VIDEO_CAPTURE_MODE_MULTI_CH_PIXEL_MUX_EMBEDDED_SYNC,

Best Regards,
Margarita

0 Tailan Mendes over 9 years ago in reply to Margarita Gashova

Prodigy 80 points

Hi Margarita,

- I had the same problem but I'm using single channel: VPS_CAPT_VIDEO_CAPTURE_MODE_SINGLE_CH_NON_MUX_EMBEDDED_SYNC

- And I got the same message: "VPSS_FVID2: create handle is NULL"

- I'm using ezsdk and v4l2

- I debuged the vpss driver kernel/driver/video/ti81xx/vpss/fvid2.c, and the value of fctrl->fvid2handle is zero after the following loop:

while ((fctrl->fcrprms->fvid2handle ==
(void *)VPS_FVID2_M3_INIT_VALUE)) {
usleep_range(100, 300);
/*time out check*/
if (vps_timeout) {
do_gettimeofday(&etime);
td = time_diff(stime, etime);
if (vps_timeout < td) {
VPSSERR("create timeout\n");
goto exit;

}
}
}

How I can resolve this problem??

Regards,

Tailan Mendes

0 Margarita Gashova over 9 years ago in reply to Tailan Mendes

TI__Guru* 80190 points

Hello,

This is very old topic.
Please open a new one with more details:
-are you using the tvp7002 or you add other external decoder;
-more details about mode, format, etc.

BR
Margarita

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