32 	struct yuv_frame_info *f = &yi->new_frame_info[frame];  in ivtv_yuv_prep_user_dma()  local
40 	y_decode_height = uv_decode_height = f->src_h + f->src_y;  in ivtv_yuv_prep_user_dma()
42 	if (f->offset_y)  in ivtv_yuv_prep_user_dma()
128 	if (f->offset_y && yi->blanking_dmaptr) {  in ivtv_yuv_prep_user_dma()
217 static void ivtv_yuv_handle_horizontal(struct ivtv *itv, struct yuv_frame_info *f)  in ivtv_yuv_handle_horizontal()  argument
230 	     f->tru_w, f->src_w, f->dst_w, f->src_x, f->dst_x);  in ivtv_yuv_handle_horizontal()
233 	x_cutoff = f->src_w + f->src_x;  in ivtv_yuv_handle_horizontal()
236 	reg_2834 = f->dst_w;  in ivtv_yuv_handle_horizontal()
240 	reg_2890 = f->dst_x;  in ivtv_yuv_handle_horizontal()
251 	if (f->vis_w == 720) {  in ivtv_yuv_handle_horizontal()
252 		if ((f->tru_x - f->pan_x > -1) && (f->tru_x - f->pan_x <= 40) && (f->dst_w >= 680))  in ivtv_yuv_handle_horizontal()
253 			reg_2870 = 10 - (f->tru_x - f->pan_x) / 4;  in ivtv_yuv_handle_horizontal()
254 		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()
255 			reg_2870 = (10 + (f->tru_x - f->pan_x) / 2);  in ivtv_yuv_handle_horizontal()
257 		if (f->dst_w >= f->src_w)  in ivtv_yuv_handle_horizontal()
263 	if (f->dst_w < f->src_w)  in ivtv_yuv_handle_horizontal()
269 	reg_2870_offset = (f->src_x * ((f->dst_w << 21) / f->src_w)) >> 19;  in ivtv_yuv_handle_horizontal()
271 	if (f->dst_w >= f->src_w) {  in ivtv_yuv_handle_horizontal()
273 		master_width = (f->src_w * 0x00200000) / (f->dst_w);  in ivtv_yuv_handle_horizontal()
274 		if (master_width * f->dst_w != f->src_w * 0x00200000)  in ivtv_yuv_handle_horizontal()
278 		reg_283c = master_width >> 2;  in ivtv_yuv_handle_horizontal()
279 		reg_2844 = master_width >> 2;  in ivtv_yuv_handle_horizontal()
286 		if (f->dst_w > f->src_w)  in ivtv_yuv_handle_horizontal()
287 			reg_2870_base = ((f->dst_w - f->src_w)<<16) / (f->src_w <<14);  in ivtv_yuv_handle_horizontal()
291 …reg_2870 += (((reg_2870_offset << 14) & 0xFFFF0000) | reg_2870_offset >> 2) + (reg_2870_base << 17…  in ivtv_yuv_handle_horizontal()
293 	} else if (f->dst_w < f->src_w / 2) {  in ivtv_yuv_handle_horizontal()
294 		master_width = (f->src_w * 0x00080000) / f->dst_w;  in ivtv_yuv_handle_horizontal()
295 		if (master_width * f->dst_w != f->src_w * 0x00080000)  in ivtv_yuv_handle_horizontal()
299 		reg_283c = master_width >> 2;  in ivtv_yuv_handle_horizontal()
305 		reg_2870 += (5 - (((f->src_w + f->src_w / 2) - 1) / f->dst_w)) << 16;  in ivtv_yuv_handle_horizontal()
308 		master_width = (f->src_w * 0x00100000) / f->dst_w;  in ivtv_yuv_handle_horizontal()
309 		if (master_width * f->dst_w != f->src_w * 0x00100000)  in ivtv_yuv_handle_horizontal()
313 		reg_283c = master_width >> 2;  in ivtv_yuv_handle_horizontal()
319 		reg_2870 += (5 - (((f->src_w * 3) - 1) / f->dst_w)) << 16;  in ivtv_yuv_handle_horizontal()
324 	if (f->src_w == f->dst_w) {  in ivtv_yuv_handle_horizontal()
329 		h_filter = ((f->src_w << 16) / f->dst_w) >> 15;  in ivtv_yuv_handle_horizontal()
379 static void ivtv_yuv_handle_vertical(struct ivtv *itv, struct yuv_frame_info *f)  in ivtv_yuv_handle_vertical()  argument
396 	     f->tru_h, f->src_h, f->dst_h, f->src_y, f->dst_y);  in ivtv_yuv_handle_vertical()
400 		       f->interlaced_y ? "Interlaced" : "Progressive");  in ivtv_yuv_handle_vertical()
403 		       f->interlaced_uv ? "Interlaced" : "Progressive");  in ivtv_yuv_handle_vertical()
407 			f->interlaced ? "Interlaced" : "Progressive");  in ivtv_yuv_handle_vertical()
411 	if (f->src_y < 8) {  in ivtv_yuv_handle_vertical()
412 		src_minor_uv = f->src_y;  in ivtv_yuv_handle_vertical()
416 		src_major_uv = f->src_y - 8;  in ivtv_yuv_handle_vertical()
422 	if (f->offset_y)  in ivtv_yuv_handle_vertical()
425 	if (f->interlaced_y)  in ivtv_yuv_handle_vertical()
426 		reg_2918 = (f->dst_h << 16) | (f->src_h + src_minor_y);  in ivtv_yuv_handle_vertical()
428 		reg_2918 = (f->dst_h << 16) | ((f->src_h + src_minor_y) << 1);  in ivtv_yuv_handle_vertical()
430 	if (f->interlaced_uv)  in ivtv_yuv_handle_vertical()
431 		reg_291c = (f->dst_h << 16) | ((f->src_h + src_minor_uv) >> 1);  in ivtv_yuv_handle_vertical()
433 		reg_291c = (f->dst_h << 16) | (f->src_h + src_minor_uv);  in ivtv_yuv_handle_vertical()
435 	reg_2964_base = (src_minor_y * ((f->dst_h << 16) / f->src_h)) >> 14;  in ivtv_yuv_handle_vertical()
436 	reg_2968_base = (src_minor_uv * ((f->dst_h << 16) / f->src_h)) >> 14;  in ivtv_yuv_handle_vertical()
438 	if (f->dst_h / 2 >= f->src_h && !f->interlaced_y) {  in ivtv_yuv_handle_vertical()
439 		master_height = (f->src_h * 0x00400000) / f->dst_h;  in ivtv_yuv_handle_vertical()
440 		if ((f->src_h * 0x00400000) - (master_height * f->dst_h) >= f->dst_h / 2)  in ivtv_yuv_handle_vertical()
442 		reg_2920 = master_height >> 2;  in ivtv_yuv_handle_vertical()
449 	} else if (f->dst_h >= f->src_h) {  in ivtv_yuv_handle_vertical()
450 		master_height = (f->src_h * 0x00400000) / f->dst_h;  in ivtv_yuv_handle_vertical()
452 		reg_2920 = master_height >> 2;  in ivtv_yuv_handle_vertical()
453 		reg_2928 = master_height >> 2;  in ivtv_yuv_handle_vertical()
457 		if (f->interlaced_y) {  in ivtv_yuv_handle_vertical()
461 			reg_2964_base >>= 2;  in ivtv_yuv_handle_vertical()
463 		if (f->interlaced_uv)  in ivtv_yuv_handle_vertical()
466 	} else if (f->dst_h >= f->src_h / 2) {  in ivtv_yuv_handle_vertical()
467 		master_height = (f->src_h * 0x00200000) / f->dst_h;  in ivtv_yuv_handle_vertical()
469 		reg_2920 = master_height >> 2;  in ivtv_yuv_handle_vertical()
470 		reg_2928 = master_height >> 2;  in ivtv_yuv_handle_vertical()
474 		if (f->interlaced_y) {  in ivtv_yuv_handle_vertical()
475 			reg_2964_base >>= 2;  in ivtv_yuv_handle_vertical()
480 		if (f->interlaced_uv)  in ivtv_yuv_handle_vertical()
482 		reg_2968_base >>= 2;  in ivtv_yuv_handle_vertical()
484 		master_height = (f->src_h * 0x00100000) / f->dst_h;  in ivtv_yuv_handle_vertical()
486 		reg_2920 = master_height >> 2;  in ivtv_yuv_handle_vertical()
487 		reg_2928 = master_height >> 2;  in ivtv_yuv_handle_vertical()
491 		reg_2968_base >>= 2;  in ivtv_yuv_handle_vertical()
497 	if (f->src_h == f->dst_h) {  in ivtv_yuv_handle_vertical()
511 	if (f->interlaced_y)  in ivtv_yuv_handle_vertical()
516 	if (f->interlaced_uv)  in ivtv_yuv_handle_vertical()
525 	if (f->dst_y < 0)  in ivtv_yuv_handle_vertical()
526 		reg_289c = (reg_289c - ((f->dst_y & ~1)<<15))-(f->dst_y >>1);  in ivtv_yuv_handle_vertical()
528 		reg_289c = (reg_289c + ((f->dst_y & ~1)<<15))+(f->dst_y >>1);  in ivtv_yuv_handle_vertical()
532 	reg_2960 = ((src_minor_y + f->src_h + src_major_y) - 1) |  in ivtv_yuv_handle_vertical()
533 		(((src_minor_uv + f->src_h + src_major_uv - 1) & ~1) << 15);  in ivtv_yuv_handle_vertical()
536 	if (f->src_h == f->dst_h) {  in ivtv_yuv_handle_vertical()
539 		reg_2964 = 2 + ((f->dst_h << 1) / f->src_h);  in ivtv_yuv_handle_vertical()
554 	if ((reg_2964 != 0x00010001) && (f->dst_h / 2 <= f->src_h))  in ivtv_yuv_handle_vertical()
555 		reg_2964 = (reg_2964 & 0xFFFF0000) + ((reg_2964 & 0x0000FFFF) / 2);  in ivtv_yuv_handle_vertical()
557 	if (!f->interlaced_y)  in ivtv_yuv_handle_vertical()
559 	if (!f->interlaced_uv)  in ivtv_yuv_handle_vertical()
566 	if (f->src_h == f->dst_h) {  in ivtv_yuv_handle_vertical()
572 		v_filter_1 = ((f->src_h << 16) / f->dst_h) >> 15;  in ivtv_yuv_handle_vertical()
650 	/* Only update filter 2 if we really need to */  in ivtv_yuv_handle_vertical()
658 static u32 ivtv_yuv_window_setup(struct ivtv *itv, struct yuv_frame_info *f)  in ivtv_yuv_window_setup()  argument
666 	if (f->src_x < 0)  in ivtv_yuv_window_setup()
667 		f->src_x = 0;  in ivtv_yuv_window_setup()
668 	if (f->src_y < 0)  in ivtv_yuv_window_setup()
669 		f->src_y = 0;  in ivtv_yuv_window_setup()
672 	if ((osd_crop = f->src_w - 4 * f->dst_w) > 0) {  in ivtv_yuv_window_setup()
673 		f->src_x += osd_crop / 2;  in ivtv_yuv_window_setup()
674 		f->src_w = (f->src_w - osd_crop) & ~3;  in ivtv_yuv_window_setup()
675 		f->dst_w = f->src_w / 4;  in ivtv_yuv_window_setup()
676 		f->dst_w += f->dst_w & 1;  in ivtv_yuv_window_setup()
680 	if (f->src_h / f->dst_h >= 2) {  in ivtv_yuv_window_setup()
683 		f->interlaced_y = 1;  in ivtv_yuv_window_setup()
685 		if ((osd_crop = f->src_h - 4 * f->dst_h) > 0) {  in ivtv_yuv_window_setup()
687 			f->src_y += osd_crop / 2;  in ivtv_yuv_window_setup()
688 			f->src_h = (f->src_h - osd_crop) & ~3;  in ivtv_yuv_window_setup()
689 			f->dst_h = f->src_h / 4;  in ivtv_yuv_window_setup()
690 			f->dst_h += f->dst_h & 1;  in ivtv_yuv_window_setup()
695 	if ((int)f->dst_w <= 2 || (int)f->dst_h <= 2 ||  in ivtv_yuv_window_setup()
696 	    (int)f->src_w <= 2 || (int)f->src_h <= 2) {  in ivtv_yuv_window_setup()
701 	osd_scale = (f->src_h << 16) / f->dst_h;  in ivtv_yuv_window_setup()
703 	if ((osd_crop = f->pan_y - f->dst_y) > 0) {  in ivtv_yuv_window_setup()
705 		f->src_y += (osd_scale * osd_crop) >> 16;  in ivtv_yuv_window_setup()
706 		f->src_h -= (osd_scale * osd_crop) >> 16;  in ivtv_yuv_window_setup()
707 		f->dst_h -= osd_crop;  in ivtv_yuv_window_setup()
708 		f->dst_y = 0;  in ivtv_yuv_window_setup()
710 		f->dst_y -= f->pan_y;  in ivtv_yuv_window_setup()
713 	if ((osd_crop = f->dst_h + f->dst_y - f->vis_h) > 0) {  in ivtv_yuv_window_setup()
715 		f->dst_h -= osd_crop;  in ivtv_yuv_window_setup()
716 		f->src_h -= (osd_scale * osd_crop) >> 16;  in ivtv_yuv_window_setup()
719 	osd_scale = (f->src_w << 16) / f->dst_w;  in ivtv_yuv_window_setup()
721 	if ((osd_crop = f->pan_x - f->dst_x) > 0) {  in ivtv_yuv_window_setup()
723 		f->src_x += (osd_scale * osd_crop) >> 16;  in ivtv_yuv_window_setup()
724 		f->src_w -= (osd_scale * osd_crop) >> 16;  in ivtv_yuv_window_setup()
725 		f->dst_w -= osd_crop;  in ivtv_yuv_window_setup()
726 		f->dst_x = 0;  in ivtv_yuv_window_setup()
728 		f->dst_x -= f->pan_x;  in ivtv_yuv_window_setup()
731 	if ((osd_crop = f->dst_w + f->dst_x - f->vis_w) > 0) {  in ivtv_yuv_window_setup()
733 		f->dst_w -= osd_crop;  in ivtv_yuv_window_setup()
734 		f->src_w -= (osd_scale * osd_crop) >> 16;  in ivtv_yuv_window_setup()
739 		f->dst_x += itv->yuv_info.osd_x_offset;  in ivtv_yuv_window_setup()
740 		f->dst_y += itv->yuv_info.osd_y_offset;  in ivtv_yuv_window_setup()
745 	f->dst_w &= ~1;  in ivtv_yuv_window_setup()
746 	f->dst_x &= ~1;  in ivtv_yuv_window_setup()
748 	f->src_w += f->src_x & 1;  in ivtv_yuv_window_setup()
749 	f->src_x &= ~1;  in ivtv_yuv_window_setup()
751 	f->src_w &= ~1;  in ivtv_yuv_window_setup()
752 	f->dst_w &= ~1;  in ivtv_yuv_window_setup()
754 	f->dst_h &= ~1;  in ivtv_yuv_window_setup()
755 	f->dst_y &= ~1;  in ivtv_yuv_window_setup()
757 	f->src_h += f->src_y & 1;  in ivtv_yuv_window_setup()
758 	f->src_y &= ~1;  in ivtv_yuv_window_setup()
760 	f->src_h &= ~1;  in ivtv_yuv_window_setup()
761 	f->dst_h &= ~1;  in ivtv_yuv_window_setup()
766 	if (f->dst_w < f->src_w / 4) {  in ivtv_yuv_window_setup()
767 		f->src_w &= ~3;  in ivtv_yuv_window_setup()
768 		f->dst_w = f->src_w / 4;  in ivtv_yuv_window_setup()
769 		f->dst_w += f->dst_w & 1;  in ivtv_yuv_window_setup()
771 	if (f->dst_h < f->src_h / 4) {  in ivtv_yuv_window_setup()
772 		f->src_h &= ~3;  in ivtv_yuv_window_setup()
773 		f->dst_h = f->src_h / 4;  in ivtv_yuv_window_setup()
774 		f->dst_h += f->dst_h & 1;  in ivtv_yuv_window_setup()
778 	if ((int)f->dst_w <= 2 || (int)f->dst_h <= 2 ||  in ivtv_yuv_window_setup()
779 	    (int)f->src_w <= 2 || (int)f->src_h <= 2) {  in ivtv_yuv_window_setup()
784 	if ((of->dst_w != f->dst_w) || (of->src_w != f->src_w) ||  in ivtv_yuv_window_setup()
785 	    (of->dst_x != f->dst_x) || (of->src_x != f->src_x) ||  in ivtv_yuv_window_setup()
786 	    (of->pan_x != f->pan_x) || (of->vis_w != f->vis_w)) {  in ivtv_yuv_window_setup()
790 	if ((of->src_h != f->src_h) || (of->dst_h != f->dst_h) ||  in ivtv_yuv_window_setup()
791 	    (of->dst_y != f->dst_y) || (of->src_y != f->src_y) ||  in ivtv_yuv_window_setup()
792 	    (of->pan_y != f->pan_y) || (of->vis_h != f->vis_h) ||  in ivtv_yuv_window_setup()
793 	    (of->lace_mode != f->lace_mode) ||  in ivtv_yuv_window_setup()
794 	    (of->interlaced_y != f->interlaced_y) ||  in ivtv_yuv_window_setup()
795 	    (of->interlaced_uv != f->interlaced_uv)) {  in ivtv_yuv_window_setup()
806 	struct yuv_frame_info f;  in ivtv_yuv_work_handler()  local
811 	f = yi->new_frame_info[frame];  in ivtv_yuv_work_handler()
815 		f.pan_x = yi->osd_x_pan;  in ivtv_yuv_work_handler()
816 		f.pan_y = yi->osd_y_pan;  in ivtv_yuv_work_handler()
817 		f.vis_w = yi->osd_vis_w;  in ivtv_yuv_work_handler()
818 		f.vis_h = yi->osd_vis_h;  in ivtv_yuv_work_handler()
821 		f.pan_x = 0;  in ivtv_yuv_work_handler()
822 		f.pan_y = 0;  in ivtv_yuv_work_handler()
823 		f.vis_w = 720;  in ivtv_yuv_work_handler()
824 		f.vis_h = yi->decode_height;  in ivtv_yuv_work_handler()
828 	if (!(yuv_update = ivtv_yuv_window_setup(itv, &f)))  in ivtv_yuv_work_handler()
837 			ivtv_yuv_handle_horizontal(itv, &f);  in ivtv_yuv_work_handler()
840 			ivtv_yuv_handle_vertical(itv, &f);  in ivtv_yuv_work_handler()
842 	yi->old_frame_info = f;  in ivtv_yuv_work_handler()
899 	/* Bit 2 of reg 2878 indicates current decoder output format  in ivtv_yuv_init()
1015 		if (nf->tru_h < 1021 && (nf->dst_h >= nf->src_h / 2))  in ivtv_yuv_setup_frame()
1030 			if (nf->tru_h < 1021 && (nf->dst_h >= nf->src_h / 2))  in ivtv_yuv_setup_frame()