140 bool v4l2_valid_dv_timings(const struct v4l2_dv_timings *t,  in v4l2_valid_dv_timings()  argument
145 	const struct v4l2_bt_timings *bt = &t->bt;  in v4l2_valid_dv_timings()
151 	if (t->type != V4L2_DV_BT_656_1120)  in v4l2_valid_dv_timings()
153 	if (t->type != dvcap->type ||  in v4l2_valid_dv_timings()
186 	return fnc == NULL || fnc(t, fnc_handle);  in v4l2_valid_dv_timings()
190 int v4l2_enum_dv_timings_cap(struct v4l2_enum_dv_timings *t,  in v4l2_enum_dv_timings_cap()  argument
197 	memset(t->reserved, 0, sizeof(t->reserved));  in v4l2_enum_dv_timings_cap()
201 		    idx++ == t->index) {  in v4l2_enum_dv_timings_cap()
202 			t->timings = v4l2_dv_timings_presets[i];  in v4l2_enum_dv_timings_cap()
210 bool v4l2_find_dv_timings_cap(struct v4l2_dv_timings *t,  in v4l2_find_dv_timings_cap()  argument
218 	if (!v4l2_valid_dv_timings(t, cap, fnc, fnc_handle))  in v4l2_find_dv_timings_cap()
224 		    v4l2_match_dv_timings(t, v4l2_dv_timings_presets + i,  in v4l2_find_dv_timings_cap()
226 			u32 flags = t->bt.flags & V4L2_DV_FL_REDUCED_FPS;  in v4l2_find_dv_timings_cap()
228 			*t = v4l2_dv_timings_presets[i];  in v4l2_find_dv_timings_cap()
229 			if (can_reduce_fps(&t->bt))  in v4l2_find_dv_timings_cap()
230 				t->bt.flags |= flags;  in v4l2_find_dv_timings_cap()
239 bool v4l2_find_dv_timings_cea861_vic(struct v4l2_dv_timings *t, u8 vic)  in v4l2_find_dv_timings_cea861_vic()  argument
249 			*t = v4l2_dv_timings_presets[i];  in v4l2_find_dv_timings_cea861_vic()
298 			   const struct v4l2_dv_timings *t, bool detailed)  in v4l2_print_dv_timings()  argument
300 	const struct v4l2_bt_timings *bt = &t->bt;  in v4l2_print_dv_timings()
304 	if (t->type != V4L2_DV_BT_656_1120)  in v4l2_print_dv_timings()
378 struct v4l2_fract v4l2_dv_timings_aspect_ratio(const struct v4l2_dv_timings *t)  in v4l2_dv_timings_aspect_ratio()  argument
383 	if (t->type != V4L2_DV_BT_656_1120)  in v4l2_dv_timings_aspect_ratio()
385 	if (!(t->bt.flags & V4L2_DV_FL_HAS_PICTURE_ASPECT))  in v4l2_dv_timings_aspect_ratio()
388 	ratio.numerator = t->bt.width * t->bt.picture_aspect.denominator;  in v4l2_dv_timings_aspect_ratio()
389 	ratio.denominator = t->bt.height * t->bt.picture_aspect.numerator;  in v4l2_dv_timings_aspect_ratio()
407 struct v4l2_fract v4l2_calc_timeperframe(const struct v4l2_dv_timings *t)  in v4l2_calc_timeperframe()  argument
409 	const struct v4l2_bt_timings *bt = &t->bt;  in v4l2_calc_timeperframe()
415 	if (t->type != V4L2_DV_BT_656_1120)  in v4l2_calc_timeperframe()
500 	struct v4l2_dv_timings t = {};  in v4l2_detect_cvt()  local
631 	t.type = V4L2_DV_BT_656_1120;  in v4l2_detect_cvt()
632 	t.bt.polarities = polarities;  in v4l2_detect_cvt()
633 	t.bt.width = image_width;  in v4l2_detect_cvt()
634 	t.bt.height = image_height;  in v4l2_detect_cvt()
635 	t.bt.hfrontporch = h_fp;  in v4l2_detect_cvt()
636 	t.bt.vfrontporch = v_fp;  in v4l2_detect_cvt()
637 	t.bt.hsync = hsync;  in v4l2_detect_cvt()
638 	t.bt.vsync = vsync;  in v4l2_detect_cvt()
639 	t.bt.hbackporch = frame_width - image_width - h_fp - hsync;  in v4l2_detect_cvt()
642 		t.bt.vbackporch = frame_height - image_height - v_fp - vsync;  in v4l2_detect_cvt()
643 		t.bt.interlaced = V4L2_DV_PROGRESSIVE;  in v4l2_detect_cvt()
645 		t.bt.vbackporch = (frame_height - image_height - 2 * v_fp -  in v4l2_detect_cvt()
647 		t.bt.il_vbackporch = frame_height - image_height - 2 * v_fp -  in v4l2_detect_cvt()
648 					2 * vsync - t.bt.vbackporch;  in v4l2_detect_cvt()
649 		t.bt.il_vfrontporch = v_fp;  in v4l2_detect_cvt()
650 		t.bt.il_vsync = vsync;  in v4l2_detect_cvt()
651 		t.bt.flags |= V4L2_DV_FL_HALF_LINE;  in v4l2_detect_cvt()
652 		t.bt.interlaced = V4L2_DV_INTERLACED;  in v4l2_detect_cvt()
655 	t.bt.pixelclock = pix_clk;  in v4l2_detect_cvt()
656 	t.bt.standards = V4L2_DV_BT_STD_CVT;  in v4l2_detect_cvt()
659 		t.bt.flags |= V4L2_DV_FL_REDUCED_BLANKING;  in v4l2_detect_cvt()
661 	if (!v4l2_valid_dv_timings(&t, cap, NULL, NULL))  in v4l2_detect_cvt()
663 	*timings = t;  in v4l2_detect_cvt()
724 	struct v4l2_dv_timings t = {};  in v4l2_detect_gtf()  local
795 	t.type = V4L2_DV_BT_656_1120;  in v4l2_detect_gtf()
796 	t.bt.polarities = polarities;  in v4l2_detect_gtf()
797 	t.bt.width = image_width;  in v4l2_detect_gtf()
798 	t.bt.height = image_height;  in v4l2_detect_gtf()
799 	t.bt.hfrontporch = h_fp;  in v4l2_detect_gtf()
800 	t.bt.vfrontporch = v_fp;  in v4l2_detect_gtf()
801 	t.bt.hsync = hsync;  in v4l2_detect_gtf()
802 	t.bt.vsync = vsync;  in v4l2_detect_gtf()
803 	t.bt.hbackporch = frame_width - image_width - h_fp - hsync;  in v4l2_detect_gtf()
806 		t.bt.vbackporch = frame_height - image_height - v_fp - vsync;  in v4l2_detect_gtf()
807 		t.bt.interlaced = V4L2_DV_PROGRESSIVE;  in v4l2_detect_gtf()
809 		t.bt.vbackporch = (frame_height - image_height - 2 * v_fp -  in v4l2_detect_gtf()
811 		t.bt.il_vbackporch = frame_height - image_height - 2 * v_fp -  in v4l2_detect_gtf()
812 					2 * vsync - t.bt.vbackporch;  in v4l2_detect_gtf()
813 		t.bt.il_vfrontporch = v_fp;  in v4l2_detect_gtf()
814 		t.bt.il_vsync = vsync;  in v4l2_detect_gtf()
815 		t.bt.flags |= V4L2_DV_FL_HALF_LINE;  in v4l2_detect_gtf()
816 		t.bt.interlaced = V4L2_DV_INTERLACED;  in v4l2_detect_gtf()
819 	t.bt.pixelclock = pix_clk;  in v4l2_detect_gtf()
820 	t.bt.standards = V4L2_DV_BT_STD_GTF;  in v4l2_detect_gtf()
823 		t.bt.flags |= V4L2_DV_FL_REDUCED_BLANKING;  in v4l2_detect_gtf()
825 	if (!v4l2_valid_dv_timings(&t, cap, NULL, NULL))  in v4l2_detect_gtf()
827 	*timings = t;  in v4l2_detect_gtf()