ti/omap3isp/ispresizer.c

128  * __resizer_get_crop - helper function for getting resizer crop rectangle
131  * @which : wanted subdev crop rectangle
141 		return &res->crop.request;
495  * where the input width and height are the resizer input crop rectangle size.
507 	clock = div_u64((u64)limit * res->crop.active.height, ofmt->height);
509 	*max_rate = div_u64((u64)clock * res->crop.active.width, ofmt->width);
588 	requests_per_frame = DIV_ROUND_UP(res->crop.active.width * 2, 256)
589 			   * res->crop.active.height;
625 	/* This will handle crop settings in stream off state */
771  * compute the input crop rectangle as the last step.
896 	/* Center the new crop rectangle. */
925 		/* Calculate additional offset for crop */
926 		res->crop_offset = (res->crop.active.top * input->width +
927 				    res->crop.active.left) * 2;
946 		resizer_set_start(res, res->crop.active.left * 2,
947 				  res->crop.active.top);
954 	resizer_set_input_size(res, res->crop.active.width,
955 			       res->crop.active.height);
1181  * resizer_try_crop - mangles crop parameters.
1185 			     struct v4l2_rect *crop)
1202 	crop->width = clamp_t(u32, crop->width, min_width, max_width);
1203 	crop->height = clamp_t(u32, crop->height, min_height, max_height);
1206 	crop->left = clamp_t(u32, crop->left, 0, sink->width - MIN_IN_WIDTH);
1207 	crop->width = clamp_t(u32, crop->width, MIN_IN_WIDTH,
1208 			      sink->width - crop->left);
1209 	crop->top = clamp_t(u32, crop->top, 0, sink->height - MIN_IN_HEIGHT);
1210 	crop->height = clamp_t(u32, crop->height, MIN_IN_HEIGHT,
1211 			       sink->height - crop->top);
1220  * The only supported rectangles are the crop rectangles on the sink pad.
1270  * The only supported rectangle is the actual crop rectangle on the sink pad.
1303 	/* Clamp the crop rectangle to the bounds, and then mangle it further to
1306 	 * application sets the output format, the current crop rectangle is
1307 	 * mangled during crop rectangle computation, which would lead to a new,
1308 	 * smaller input crop rectangle every time the output size is set if we
1328 	/* Update the source format, resizing ratios and crop rectangle. If
1338 	res->crop.active = sel->r;
1384 	struct v4l2_rect crop;
1403 		crop = *__resizer_get_crop(res, sd_state, which);
1404 		resizer_calc_ratios(res, &crop, fmt, &ratio);
1508 	struct v4l2_rect *crop;
1518 		/* reset crop rectangle */
1519 		crop = __resizer_get_crop(res, sd_state, fmt->which);
1520 		crop->left = 0;
1521 		crop->top = 0;
1522 		crop->width = fmt->format.width;
1523 		crop->height = fmt->format.height;
1534 		/* Compute and store the active crop rectangle and resizer
1538 		res->crop.active = res->crop.request;
1539 		resizer_calc_ratios(res, &res->crop.active, format,