static int vidioc_reqbufs(struct file *file, void *priv,
struct v4l2_requestbuffers *rb)
{
struct vcap_client_data *c_data = file->private_data;
int rc;
dprintk(3, "In Req Buf %08x\n", (unsigned int)rb->type);
c_data->op_mode = determine_mode(c_data);
if (c_data->op_mode == UNKNOWN_VCAP_OP) {
pr_err("VCAP Error: %s: VCAP in unknown mode\n", __func__);
return -ENOTRECOVERABLE;
}
switch (rb->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (c_data->op_mode == VC_AND_VP_VCAP_OP) {
if (c_data->vc_format.color_space) {
pr_err("VCAP Err: %s: VP No RGB support\n",
__func__);
return -ENOTRECOVERABLE;
}
if (!c_data->vc_format.mode) {
pr_err("VCAP Err: VP No prog support\n");
return -ENOTRECOVERABLE;
}
if (rb->count < 6) {
pr_err("VCAP Err: Not enough buf for VC_VP\n");
return -EINVAL;
}
rc = vb2_reqbufs(&c_data->vc_vidq, rb);
if (rc < 0)
return rc;
c_data->vp_in_fmt.width =
(c_data->vc_format.hactive_end -
c_data->vc_format.hactive_start);
c_data->vp_in_fmt.height =
(c_data->vc_format.vactive_end -
c_data->vc_format.vactive_start);
/* VC outputs YCbCr 4:2:2 */
c_data->vp_in_fmt.pixfmt = V4L2_PIX_FMT_NV16;
rb->type = V4L2_BUF_TYPE_INTERLACED_IN_DECODER;
rc = vb2_reqbufs(&c_data->vp_in_vidq, rb);
rb->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
return rc;
} else {
return vb2_reqbufs(&c_data->vc_vidq, rb);
}
case V4L2_BUF_TYPE_INTERLACED_IN_DECODER:
return vb2_reqbufs(&c_data->vp_in_vidq, rb);
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
return vb2_reqbufs(&c_data->vp_out_vidq, rb);
default:
pr_err("VCAP Error: %s: Unknown buffer type\n", __func__);
return -EINVAL;
}
return 0;
}
double FermiTable::calcSingleThermoVar(std::pair<double,double ThermodynamicVariables::*> input_1,
std::pair<double,double ThermodynamicVariables::*> input_2,
std::pair<double,double> aap,
double ThermodynamicVariables::* output_var) const
{
ThermodynamicVariables tv;
tv.*input_1.second = input_1.first;
tv.*input_2.second = input_2.first;
calcThermoVars(determine_mode(tvar_pair(input_1.second, input_2.second)),
aap, tv);
return tv.*output_var;
}
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct vcap_client_data *c_data = file->private_data;
int rc;
dprintk(3, "In Stream ON\n");
if (determine_mode(c_data) != c_data->op_mode) {
pr_err("VCAP Error: %s: s_fmt called after req_buf", __func__);
return -ENOTRECOVERABLE;
}
switch (c_data->op_mode) {
case VC_VCAP_OP:
c_data->dev->vc_client = c_data;
config_vc_format(c_data);
return vb2_streamon(&c_data->vc_vidq, i);
case VP_VCAP_OP:
rc = streamon_validate_q(&c_data->vp_in_vidq);
if (rc < 0)
return rc;
rc = streamon_validate_q(&c_data->vp_out_vidq);
if (rc < 0)
return rc;
c_data->dev->vp_client = c_data;
rc = config_vp_format(c_data);
if (rc < 0)
return rc;
rc = init_motion_buf(c_data);
if (rc < 0)
return rc;
if (c_data->vid_vp_action.nr_enabled) {
rc = init_nr_buf(c_data);
if (rc < 0)
goto s_on_deinit_m_buf;
}
c_data->vid_vp_action.vp_state = VP_FRAME1;
rc = vb2_streamon(&c_data->vp_in_vidq,
V4L2_BUF_TYPE_INTERLACED_IN_DECODER);
if (rc < 0)
goto s_on_deinit_nr_buf;
rc = vb2_streamon(&c_data->vp_out_vidq,
V4L2_BUF_TYPE_VIDEO_OUTPUT);
if (rc < 0)
goto s_on_deinit_nr_buf;
return rc;
case VC_AND_VP_VCAP_OP:
rc = streamon_validate_q(&c_data->vc_vidq);
if (rc < 0)
return rc;
rc = streamon_validate_q(&c_data->vp_in_vidq);
if (rc < 0)
return rc;
rc = streamon_validate_q(&c_data->vp_out_vidq);
if (rc < 0)
return rc;
c_data->dev->vc_client = c_data;
c_data->dev->vp_client = c_data;
c_data->dev->vc_to_vp_work.cd = c_data;
rc = config_vc_format(c_data);
if (rc < 0)
return rc;
rc = config_vp_format(c_data);
if (rc < 0)
return rc;
rc = init_motion_buf(c_data);
if (rc < 0)
return rc;
if (c_data->vid_vp_action.nr_enabled) {
rc = init_nr_buf(c_data);
if (rc < 0)
goto s_on_deinit_m_buf;
}
c_data->streaming = 1;
c_data->vid_vp_action.vp_state = VP_FRAME1;
/* These stream on calls should not fail */
rc = vb2_streamon(&c_data->vc_vidq,
V4L2_BUF_TYPE_VIDEO_CAPTURE);
if (rc < 0)
goto s_on_deinit_nr_buf;
rc = vb2_streamon(&c_data->vp_in_vidq,
V4L2_BUF_TYPE_INTERLACED_IN_DECODER);
if (rc < 0)
goto s_on_deinit_nr_buf;
rc = vb2_streamon(&c_data->vp_out_vidq,
V4L2_BUF_TYPE_VIDEO_OUTPUT);
if (rc < 0)
goto s_on_deinit_nr_buf;
return rc;
default:
pr_err("VCAP Error: %s: Operation Mode type", __func__);
return -ENOTRECOVERABLE;
}
return 0;
s_on_deinit_nr_buf:
if (c_data->vid_vp_action.nr_enabled)
deinit_nr_buf(c_data);
s_on_deinit_m_buf:
deinit_motion_buf(c_data);
return rc;
}
