44 	struct yuv_frame_info *f = &yi->new_frame_info[frame];  in ivtv_yuv_prep_user_dma()  local
53 	y_decode_height = uv_decode_height = f->src_h + f->src_y;  in ivtv_yuv_prep_user_dma()
55 	if (f->offset_y)  in ivtv_yuv_prep_user_dma()
140 	if (f->offset_y && yi->blanking_dmaptr) {  in ivtv_yuv_prep_user_dma()
229 static void ivtv_yuv_handle_horizontal(struct ivtv *itv, struct yuv_frame_info *f)  in ivtv_yuv_handle_horizontal()  argument
242 	     f->tru_w, f->src_w, f->dst_w, f->src_x, f->dst_x);  in ivtv_yuv_handle_horizontal()
245 	x_cutoff = f->src_w + f->src_x;  in ivtv_yuv_handle_horizontal()
248 	reg_2834 = f->dst_w;  in ivtv_yuv_handle_horizontal()
252 	reg_2890 = f->dst_x;  in ivtv_yuv_handle_horizontal()
263 	if (f->vis_w == 720) {  in ivtv_yuv_handle_horizontal()
264 		if ((f->tru_x - f->pan_x > -1) && (f->tru_x - f->pan_x <= 40) && (f->dst_w >= 680))  in ivtv_yuv_handle_horizontal()
265 			reg_2870 = 10 - (f->tru_x - f->pan_x) / 4;  in ivtv_yuv_handle_horizontal()
266 		else if ((f->tru_x - f->pan_x < 0) && (f->tru_x - f->pan_x >= -20) && (f->dst_w >= 660))  in ivtv_yuv_handle_horizontal()
267 			reg_2870 = (10 + (f->tru_x - f->pan_x) / 2);  in ivtv_yuv_handle_horizontal()
269 		if (f->dst_w >= f->src_w)  in ivtv_yuv_handle_horizontal()
275 	if (f->dst_w < f->src_w)  in ivtv_yuv_handle_horizontal()
281 	reg_2870_offset = (f->src_x * ((f->dst_w << 21) / f->src_w)) >> 19;  in ivtv_yuv_handle_horizontal()
283 	if (f->dst_w >= f->src_w) {  in ivtv_yuv_handle_horizontal()
285 		master_width = (f->src_w * 0x00200000) / (f->dst_w);  in ivtv_yuv_handle_horizontal()
286 		if (master_width * f->dst_w != f->src_w * 0x00200000)  in ivtv_yuv_handle_horizontal()
298 		if (f->dst_w > f->src_w)  in ivtv_yuv_handle_horizontal()
299 			reg_2870_base = ((f->dst_w - f->src_w)<<16) / (f->src_w <<14);  in ivtv_yuv_handle_horizontal()
305 	} else if (f->dst_w < f->src_w / 2) {  in ivtv_yuv_handle_horizontal()
306 		master_width = (f->src_w * 0x00080000) / f->dst_w;  in ivtv_yuv_handle_horizontal()
307 		if (master_width * f->dst_w != f->src_w * 0x00080000)  in ivtv_yuv_handle_horizontal()
317 		reg_2870 += (5 - (((f->src_w + f->src_w / 2) - 1) / f->dst_w)) << 16;  in ivtv_yuv_handle_horizontal()
320 		master_width = (f->src_w * 0x00100000) / f->dst_w;  in ivtv_yuv_handle_horizontal()
321 		if (master_width * f->dst_w != f->src_w * 0x00100000)  in ivtv_yuv_handle_horizontal()
331 		reg_2870 += (5 - (((f->src_w * 3) - 1) / f->dst_w)) << 16;  in ivtv_yuv_handle_horizontal()
336 	if (f->src_w == f->dst_w) {  in ivtv_yuv_handle_horizontal()
341 		h_filter = ((f->src_w << 16) / f->dst_w) >> 15;  in ivtv_yuv_handle_horizontal()
391 static void ivtv_yuv_handle_vertical(struct ivtv *itv, struct yuv_frame_info *f)  in ivtv_yuv_handle_vertical()  argument
408 	     f->tru_h, f->src_h, f->dst_h, f->src_y, f->dst_y);  in ivtv_yuv_handle_vertical()
412 		       f->interlaced_y ? "Interlaced" : "Progressive");  in ivtv_yuv_handle_vertical()
415 		       f->interlaced_uv ? "Interlaced" : "Progressive");  in ivtv_yuv_handle_vertical()
419 			f->interlaced ? "Interlaced" : "Progressive");  in ivtv_yuv_handle_vertical()
423 	if (f->src_y < 8) {  in ivtv_yuv_handle_vertical()
424 		src_minor_uv = f->src_y;  in ivtv_yuv_handle_vertical()
428 		src_major_uv = f->src_y - 8;  in ivtv_yuv_handle_vertical()
434 	if (f->offset_y)  in ivtv_yuv_handle_vertical()
437 	if (f->interlaced_y)  in ivtv_yuv_handle_vertical()
438 		reg_2918 = (f->dst_h << 16) | (f->src_h + src_minor_y);  in ivtv_yuv_handle_vertical()
440 		reg_2918 = (f->dst_h << 16) | ((f->src_h + src_minor_y) << 1);  in ivtv_yuv_handle_vertical()
442 	if (f->interlaced_uv)  in ivtv_yuv_handle_vertical()
443 		reg_291c = (f->dst_h << 16) | ((f->src_h + src_minor_uv) >> 1);  in ivtv_yuv_handle_vertical()
445 		reg_291c = (f->dst_h << 16) | (f->src_h + src_minor_uv);  in ivtv_yuv_handle_vertical()
447 	reg_2964_base = (src_minor_y * ((f->dst_h << 16) / f->src_h)) >> 14;  in ivtv_yuv_handle_vertical()
448 	reg_2968_base = (src_minor_uv * ((f->dst_h << 16) / f->src_h)) >> 14;  in ivtv_yuv_handle_vertical()
450 	if (f->dst_h / 2 >= f->src_h && !f->interlaced_y) {  in ivtv_yuv_handle_vertical()
451 		master_height = (f->src_h * 0x00400000) / f->dst_h;  in ivtv_yuv_handle_vertical()
452 		if ((f->src_h * 0x00400000) - (master_height * f->dst_h) >= f->dst_h / 2)  in ivtv_yuv_handle_vertical()
461 	} else if (f->dst_h >= f->src_h) {  in ivtv_yuv_handle_vertical()
462 		master_height = (f->src_h * 0x00400000) / f->dst_h;  in ivtv_yuv_handle_vertical()
469 		if (f->interlaced_y) {  in ivtv_yuv_handle_vertical()
475 		if (f->interlaced_uv)  in ivtv_yuv_handle_vertical()
478 	} else if (f->dst_h >= f->src_h / 2) {  in ivtv_yuv_handle_vertical()
479 		master_height = (f->src_h * 0x00200000) / f->dst_h;  in ivtv_yuv_handle_vertical()
486 		if (f->interlaced_y) {  in ivtv_yuv_handle_vertical()
492 		if (f->interlaced_uv)  in ivtv_yuv_handle_vertical()
496 		master_height = (f->src_h * 0x00100000) / f->dst_h;  in ivtv_yuv_handle_vertical()
509 	if (f->src_h == f->dst_h) {  in ivtv_yuv_handle_vertical()
523 	if (f->interlaced_y)  in ivtv_yuv_handle_vertical()
528 	if (f->interlaced_uv)  in ivtv_yuv_handle_vertical()
537 	if (f->dst_y < 0)  in ivtv_yuv_handle_vertical()
538 		reg_289c = (reg_289c - ((f->dst_y & ~1)<<15))-(f->dst_y >>1);  in ivtv_yuv_handle_vertical()
540 		reg_289c = (reg_289c + ((f->dst_y & ~1)<<15))+(f->dst_y >>1);  in ivtv_yuv_handle_vertical()
544 	reg_2960 = ((src_minor_y + f->src_h + src_major_y) - 1) |  in ivtv_yuv_handle_vertical()
545 		(((src_minor_uv + f->src_h + src_major_uv - 1) & ~1) << 15);  in ivtv_yuv_handle_vertical()
548 	if (f->src_h == f->dst_h) {  in ivtv_yuv_handle_vertical()
551 		reg_2964 = 2 + ((f->dst_h << 1) / f->src_h);  in ivtv_yuv_handle_vertical()
566 	if ((reg_2964 != 0x00010001) && (f->dst_h / 2 <= f->src_h))  in ivtv_yuv_handle_vertical()
569 	if (!f->interlaced_y)  in ivtv_yuv_handle_vertical()
571 	if (!f->interlaced_uv)  in ivtv_yuv_handle_vertical()
578 	if (f->src_h == f->dst_h) {  in ivtv_yuv_handle_vertical()
584 		v_filter_1 = ((f->src_h << 16) / f->dst_h) >> 15;  in ivtv_yuv_handle_vertical()
670 static u32 ivtv_yuv_window_setup(struct ivtv *itv, struct yuv_frame_info *f)  in ivtv_yuv_window_setup()  argument
678 	if (f->src_x < 0)  in ivtv_yuv_window_setup()
679 		f->src_x = 0;  in ivtv_yuv_window_setup()
680 	if (f->src_y < 0)  in ivtv_yuv_window_setup()
681 		f->src_y = 0;  in ivtv_yuv_window_setup()
684 	if ((osd_crop = f->src_w - 4 * f->dst_w) > 0) {  in ivtv_yuv_window_setup()
685 		f->src_x += osd_crop / 2;  in ivtv_yuv_window_setup()
686 		f->src_w = (f->src_w - osd_crop) & ~3;  in ivtv_yuv_window_setup()
687 		f->dst_w = f->src_w / 4;  in ivtv_yuv_window_setup()
688 		f->dst_w += f->dst_w & 1;  in ivtv_yuv_window_setup()
692 	if (f->src_h / f->dst_h >= 2) {  in ivtv_yuv_window_setup()
695 		f->interlaced_y = 1;  in ivtv_yuv_window_setup()
697 		if ((osd_crop = f->src_h - 4 * f->dst_h) > 0) {  in ivtv_yuv_window_setup()
699 			f->src_y += osd_crop / 2;  in ivtv_yuv_window_setup()
700 			f->src_h = (f->src_h - osd_crop) & ~3;  in ivtv_yuv_window_setup()
701 			f->dst_h = f->src_h / 4;  in ivtv_yuv_window_setup()
702 			f->dst_h += f->dst_h & 1;  in ivtv_yuv_window_setup()
707 	if ((int)f->dst_w <= 2 || (int)f->dst_h <= 2 ||  in ivtv_yuv_window_setup()
708 	    (int)f->src_w <= 2 || (int)f->src_h <= 2) {  in ivtv_yuv_window_setup()
713 	osd_scale = (f->src_h << 16) / f->dst_h;  in ivtv_yuv_window_setup()
715 	if ((osd_crop = f->pan_y - f->dst_y) > 0) {  in ivtv_yuv_window_setup()
717 		f->src_y += (osd_scale * osd_crop) >> 16;  in ivtv_yuv_window_setup()
718 		f->src_h -= (osd_scale * osd_crop) >> 16;  in ivtv_yuv_window_setup()
719 		f->dst_h -= osd_crop;  in ivtv_yuv_window_setup()
720 		f->dst_y = 0;  in ivtv_yuv_window_setup()
722 		f->dst_y -= f->pan_y;  in ivtv_yuv_window_setup()
725 	if ((osd_crop = f->dst_h + f->dst_y - f->vis_h) > 0) {  in ivtv_yuv_window_setup()
727 		f->dst_h -= osd_crop;  in ivtv_yuv_window_setup()
728 		f->src_h -= (osd_scale * osd_crop) >> 16;  in ivtv_yuv_window_setup()
731 	osd_scale = (f->src_w << 16) / f->dst_w;  in ivtv_yuv_window_setup()
733 	if ((osd_crop = f->pan_x - f->dst_x) > 0) {  in ivtv_yuv_window_setup()
735 		f->src_x += (osd_scale * osd_crop) >> 16;  in ivtv_yuv_window_setup()
736 		f->src_w -= (osd_scale * osd_crop) >> 16;  in ivtv_yuv_window_setup()
737 		f->dst_w -= osd_crop;  in ivtv_yuv_window_setup()
738 		f->dst_x = 0;  in ivtv_yuv_window_setup()
740 		f->dst_x -= f->pan_x;  in ivtv_yuv_window_setup()
743 	if ((osd_crop = f->dst_w + f->dst_x - f->vis_w) > 0) {  in ivtv_yuv_window_setup()
745 		f->dst_w -= osd_crop;  in ivtv_yuv_window_setup()
746 		f->src_w -= (osd_scale * osd_crop) >> 16;  in ivtv_yuv_window_setup()
751 		f->dst_x += itv->yuv_info.osd_x_offset;  in ivtv_yuv_window_setup()
752 		f->dst_y += itv->yuv_info.osd_y_offset;  in ivtv_yuv_window_setup()
757 	f->dst_w &= ~1;  in ivtv_yuv_window_setup()
758 	f->dst_x &= ~1;  in ivtv_yuv_window_setup()
760 	f->src_w += f->src_x & 1;  in ivtv_yuv_window_setup()
761 	f->src_x &= ~1;  in ivtv_yuv_window_setup()
763 	f->src_w &= ~1;  in ivtv_yuv_window_setup()
764 	f->dst_w &= ~1;  in ivtv_yuv_window_setup()
766 	f->dst_h &= ~1;  in ivtv_yuv_window_setup()
767 	f->dst_y &= ~1;  in ivtv_yuv_window_setup()
769 	f->src_h += f->src_y & 1;  in ivtv_yuv_window_setup()
770 	f->src_y &= ~1;  in ivtv_yuv_window_setup()
772 	f->src_h &= ~1;  in ivtv_yuv_window_setup()
773 	f->dst_h &= ~1;  in ivtv_yuv_window_setup()
778 	if (f->dst_w < f->src_w / 4) {  in ivtv_yuv_window_setup()
779 		f->src_w &= ~3;  in ivtv_yuv_window_setup()
780 		f->dst_w = f->src_w / 4;  in ivtv_yuv_window_setup()
781 		f->dst_w += f->dst_w & 1;  in ivtv_yuv_window_setup()
783 	if (f->dst_h < f->src_h / 4) {  in ivtv_yuv_window_setup()
784 		f->src_h &= ~3;  in ivtv_yuv_window_setup()
785 		f->dst_h = f->src_h / 4;  in ivtv_yuv_window_setup()
786 		f->dst_h += f->dst_h & 1;  in ivtv_yuv_window_setup()
790 	if ((int)f->dst_w <= 2 || (int)f->dst_h <= 2 ||  in ivtv_yuv_window_setup()
791 	    (int)f->src_w <= 2 || (int)f->src_h <= 2) {  in ivtv_yuv_window_setup()
796 	if ((of->dst_w != f->dst_w) || (of->src_w != f->src_w) ||  in ivtv_yuv_window_setup()
797 	    (of->dst_x != f->dst_x) || (of->src_x != f->src_x) ||  in ivtv_yuv_window_setup()
798 	    (of->pan_x != f->pan_x) || (of->vis_w != f->vis_w)) {  in ivtv_yuv_window_setup()
802 	if ((of->src_h != f->src_h) || (of->dst_h != f->dst_h) ||  in ivtv_yuv_window_setup()
803 	    (of->dst_y != f->dst_y) || (of->src_y != f->src_y) ||  in ivtv_yuv_window_setup()
804 	    (of->pan_y != f->pan_y) || (of->vis_h != f->vis_h) ||  in ivtv_yuv_window_setup()
805 	    (of->lace_mode != f->lace_mode) ||  in ivtv_yuv_window_setup()
806 	    (of->interlaced_y != f->interlaced_y) ||  in ivtv_yuv_window_setup()
807 	    (of->interlaced_uv != f->interlaced_uv)) {  in ivtv_yuv_window_setup()
818 	struct yuv_frame_info f;  in ivtv_yuv_work_handler()  local
823 	f = yi->new_frame_info[frame];  in ivtv_yuv_work_handler()
827 		f.pan_x = yi->osd_x_pan;  in ivtv_yuv_work_handler()
828 		f.pan_y = yi->osd_y_pan;  in ivtv_yuv_work_handler()
829 		f.vis_w = yi->osd_vis_w;  in ivtv_yuv_work_handler()
830 		f.vis_h = yi->osd_vis_h;  in ivtv_yuv_work_handler()
833 		f.pan_x = 0;  in ivtv_yuv_work_handler()
834 		f.pan_y = 0;  in ivtv_yuv_work_handler()
835 		f.vis_w = 720;  in ivtv_yuv_work_handler()
836 		f.vis_h = yi->decode_height;  in ivtv_yuv_work_handler()
840 	if (!(yuv_update = ivtv_yuv_window_setup(itv, &f)))  in ivtv_yuv_work_handler()
849 			ivtv_yuv_handle_horizontal(itv, &f);  in ivtv_yuv_work_handler()
852 			ivtv_yuv_handle_vertical(itv, &f);  in ivtv_yuv_work_handler()
854 	yi->old_frame_info = f;  in ivtv_yuv_work_handler()