Lines Matching +full:dma +full:- +full:safe +full:- +full:map
1 // SPDX-License-Identifier: GPL-2.0-or-later
9 #include "ivtv-driver.h"
10 #include "ivtv-udma.h"
11 #include "ivtv-yuv.h"
25 static int ivtv_yuv_prep_user_dma(struct ivtv *itv, struct ivtv_user_dma *dma, in ivtv_yuv_prep_user_dma() argument
30 struct yuv_playback_info *yi = &itv->yuv_info; in ivtv_yuv_prep_user_dma()
31 u8 frame = yi->draw_frame; in ivtv_yuv_prep_user_dma()
32 struct yuv_frame_info *f = &yi->new_frame_info[frame]; in ivtv_yuv_prep_user_dma()
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()
54 if (dma->SG_length || dma->page_count) { in ivtv_yuv_prep_user_dma()
57 dma->SG_length, dma->page_count); in ivtv_yuv_prep_user_dma()
58 return -EBUSY; in ivtv_yuv_prep_user_dma()
61 ivtv_udma_get_page_info (&y_dma, (unsigned long)args->y_source, 720 * y_decode_height); in ivtv_yuv_prep_user_dma()
62 ivtv_udma_get_page_info (&uv_dma, (unsigned long)args->uv_source, 360 * uv_decode_height); in ivtv_yuv_prep_user_dma()
64 /* Pin user pages for DMA Xfer */ in ivtv_yuv_prep_user_dma()
66 y_dma.page_count, &dma->map[0], FOLL_FORCE); in ivtv_yuv_prep_user_dma()
70 uv_dma.page_count, &dma->map[y_pages], in ivtv_yuv_prep_user_dma()
75 int rc = -EFAULT; in ivtv_yuv_prep_user_dma()
79 ("failed to map uv user pages, returned %d expecting %d\n", in ivtv_yuv_prep_user_dma()
83 unpin_user_pages(&dma->map[y_pages], uv_pages); in ivtv_yuv_prep_user_dma()
84 rc = -EFAULT; in ivtv_yuv_prep_user_dma()
90 ("failed to map y user pages, returned %d expecting %d\n", in ivtv_yuv_prep_user_dma()
94 unpin_user_pages(dma->map, y_pages); in ivtv_yuv_prep_user_dma()
96 * Inherit the -EFAULT from rc's in ivtv_yuv_prep_user_dma()
107 dma->page_count = y_pages + uv_pages; in ivtv_yuv_prep_user_dma()
109 /* Fill & map SG List */ in ivtv_yuv_prep_user_dma()
110 if (ivtv_udma_fill_sg_list (dma, &uv_dma, ivtv_udma_fill_sg_list (dma, &y_dma, 0)) < 0) { in ivtv_yuv_prep_user_dma()
112 unpin_user_pages(dma->map, dma->page_count); in ivtv_yuv_prep_user_dma()
113 dma->page_count = 0; in ivtv_yuv_prep_user_dma()
114 return -ENOMEM; in ivtv_yuv_prep_user_dma()
116 dma->SG_length = pci_map_sg(itv->pdev, dma->SGlist, dma->page_count, PCI_DMA_TODEVICE); in ivtv_yuv_prep_user_dma()
119 ivtv_udma_fill_sg_array(dma, y_buffer_offset, uv_buffer_offset, y_size); in ivtv_yuv_prep_user_dma()
122 if (f->offset_y && yi->blanking_dmaptr) { in ivtv_yuv_prep_user_dma()
123 dma->SGarray[dma->SG_length].size = cpu_to_le32(720*16); in ivtv_yuv_prep_user_dma()
124 dma->SGarray[dma->SG_length].src = cpu_to_le32(yi->blanking_dmaptr); in ivtv_yuv_prep_user_dma()
125 dma->SGarray[dma->SG_length].dst = cpu_to_le32(IVTV_DECODER_OFFSET + yuv_offset[frame]); in ivtv_yuv_prep_user_dma()
126 dma->SG_length++; in ivtv_yuv_prep_user_dma()
130 dma->SGarray[dma->SG_length - 1].size |= cpu_to_le32(0x80000000); in ivtv_yuv_prep_user_dma()
136 /* We rely on a table held in the firmware - Quick check. */
145 return -1; in ivtv_yuv_filter_check()
155 /* If any filter is -1, then don't update it */ in ivtv_yuv_filter()
156 if (h_filter > -1) { in ivtv_yuv_filter()
179 IVTV_DEBUG_YUV("h_filter -> %d\n", h_filter); in ivtv_yuv_filter()
182 if (v_filter_1 > -1) { in ivtv_yuv_filter()
193 IVTV_DEBUG_YUV("v_filter_1 -> %d\n", v_filter_1); in ivtv_yuv_filter()
196 if (v_filter_2 > -1) { in ivtv_yuv_filter()
207 IVTV_DEBUG_YUV("v_filter_2 -> %d\n", v_filter_2); in ivtv_yuv_filter()
213 struct yuv_playback_info *yi = &itv->yuv_info; in ivtv_yuv_handle_horizontal()
224 f->tru_w, f->src_w, f->dst_w, f->src_x, f->dst_x); in ivtv_yuv_handle_horizontal()
227 x_cutoff = f->src_w + f->src_x; in ivtv_yuv_handle_horizontal()
230 reg_2834 = f->dst_w; in ivtv_yuv_handle_horizontal()
234 reg_2890 = f->dst_x; in ivtv_yuv_handle_horizontal()
245 if (f->vis_w == 720) { in ivtv_yuv_handle_horizontal()
246 if ((f->tru_x - f->pan_x > -1) && (f->tru_x - f->pan_x <= 40) && (f->dst_w >= 680)) in ivtv_yuv_handle_horizontal()
247 reg_2870 = 10 - (f->tru_x - f->pan_x) / 4; in ivtv_yuv_handle_horizontal()
248 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()
249 reg_2870 = (10 + (f->tru_x - f->pan_x) / 2); in ivtv_yuv_handle_horizontal()
251 if (f->dst_w >= f->src_w) in ivtv_yuv_handle_horizontal()
257 if (f->dst_w < f->src_w) in ivtv_yuv_handle_horizontal()
258 reg_2870 = 0x000d000e - reg_2870; in ivtv_yuv_handle_horizontal()
260 reg_2870 = 0x0012000e - reg_2870; in ivtv_yuv_handle_horizontal()
263 reg_2870_offset = (f->src_x * ((f->dst_w << 21) / f->src_w)) >> 19; in ivtv_yuv_handle_horizontal()
265 if (f->dst_w >= f->src_w) { in ivtv_yuv_handle_horizontal()
267 master_width = (f->src_w * 0x00200000) / (f->dst_w); in ivtv_yuv_handle_horizontal()
268 if (master_width * f->dst_w != f->src_w * 0x00200000) in ivtv_yuv_handle_horizontal()
279 (src_w - dst_w) / (src_w / 4) */ in ivtv_yuv_handle_horizontal()
280 if (f->dst_w > f->src_w) in ivtv_yuv_handle_horizontal()
281 reg_2870_base = ((f->dst_w - f->src_w)<<16) / (f->src_w <<14); in ivtv_yuv_handle_horizontal()
287 } else if (f->dst_w < f->src_w / 2) { in ivtv_yuv_handle_horizontal()
288 master_width = (f->src_w * 0x00080000) / f->dst_w; in ivtv_yuv_handle_horizontal()
289 if (master_width * f->dst_w != f->src_w * 0x00080000) in ivtv_yuv_handle_horizontal()
299 reg_2870 += (5 - (((f->src_w + f->src_w / 2) - 1) / f->dst_w)) << 16; in ivtv_yuv_handle_horizontal()
302 master_width = (f->src_w * 0x00100000) / f->dst_w; in ivtv_yuv_handle_horizontal()
303 if (master_width * f->dst_w != f->src_w * 0x00100000) in ivtv_yuv_handle_horizontal()
313 reg_2870 += (5 - (((f->src_w * 3) - 1) / f->dst_w)) << 16; in ivtv_yuv_handle_horizontal()
318 if (f->src_w == f->dst_w) { in ivtv_yuv_handle_horizontal()
323 h_filter = ((f->src_w << 16) / f->dst_w) >> 15; in ivtv_yuv_handle_horizontal()
331 IVTV_DEBUG_YUV("Update reg 0x2834 %08x->%08x 0x2838 %08x->%08x\n", in ivtv_yuv_handle_horizontal()
332 yi->reg_2834, reg_2834, yi->reg_2838, reg_2838); in ivtv_yuv_handle_horizontal()
337 IVTV_DEBUG_YUV("Update reg 0x283c %08x->%08x 0x2844 %08x->%08x\n", in ivtv_yuv_handle_horizontal()
338 yi->reg_283c, reg_283c, yi->reg_2844, reg_2844); in ivtv_yuv_handle_horizontal()
342 IVTV_DEBUG_YUV("Update reg 0x2840 %08x->%08x 0x2848 %08x->%08x\n", in ivtv_yuv_handle_horizontal()
343 yi->reg_2840, 0x00080514, yi->reg_2848, 0x00100514); in ivtv_yuv_handle_horizontal()
346 IVTV_DEBUG_YUV("Update reg 0x2854 %08x->%08x \n", in ivtv_yuv_handle_horizontal()
347 yi->reg_2854, reg_2854); in ivtv_yuv_handle_horizontal()
351 IVTV_DEBUG_YUV("Update reg 0x285c %08x->%08x 0x2864 %08x->%08x\n", in ivtv_yuv_handle_horizontal()
352 yi->reg_285c, reg_285c, yi->reg_2864, reg_2864); in ivtv_yuv_handle_horizontal()
355 IVTV_DEBUG_YUV("Update reg 0x2874 %08x->%08x\n", in ivtv_yuv_handle_horizontal()
356 yi->reg_2874, reg_2874); in ivtv_yuv_handle_horizontal()
359 IVTV_DEBUG_YUV("Update reg 0x2870 %08x->%08x\n", in ivtv_yuv_handle_horizontal()
360 yi->reg_2870, reg_2870); in ivtv_yuv_handle_horizontal()
363 IVTV_DEBUG_YUV("Update reg 0x2890 %08x->%08x\n", in ivtv_yuv_handle_horizontal()
364 yi->reg_2890, reg_2890); in ivtv_yuv_handle_horizontal()
367 if (h_filter != yi->h_filter) { in ivtv_yuv_handle_horizontal()
368 ivtv_yuv_filter(itv, h_filter, -1, -1); in ivtv_yuv_handle_horizontal()
369 yi->h_filter = h_filter; in ivtv_yuv_handle_horizontal()
375 struct yuv_playback_info *yi = &itv->yuv_info; in ivtv_yuv_handle_vertical()
390 f->tru_h, f->src_h, f->dst_h, f->src_y, f->dst_y); in ivtv_yuv_handle_vertical()
394 f->interlaced_y ? "Interlaced" : "Progressive"); in ivtv_yuv_handle_vertical()
397 f->interlaced_uv ? "Interlaced" : "Progressive"); in ivtv_yuv_handle_vertical()
401 f->interlaced ? "Interlaced" : "Progressive"); in ivtv_yuv_handle_vertical()
405 if (f->src_y < 8) { in ivtv_yuv_handle_vertical()
406 src_minor_uv = f->src_y; in ivtv_yuv_handle_vertical()
410 src_major_uv = f->src_y - 8; in ivtv_yuv_handle_vertical()
416 if (f->offset_y) in ivtv_yuv_handle_vertical()
419 if (f->interlaced_y) in ivtv_yuv_handle_vertical()
420 reg_2918 = (f->dst_h << 16) | (f->src_h + src_minor_y); in ivtv_yuv_handle_vertical()
422 reg_2918 = (f->dst_h << 16) | ((f->src_h + src_minor_y) << 1); in ivtv_yuv_handle_vertical()
424 if (f->interlaced_uv) in ivtv_yuv_handle_vertical()
425 reg_291c = (f->dst_h << 16) | ((f->src_h + src_minor_uv) >> 1); in ivtv_yuv_handle_vertical()
427 reg_291c = (f->dst_h << 16) | (f->src_h + src_minor_uv); in ivtv_yuv_handle_vertical()
429 reg_2964_base = (src_minor_y * ((f->dst_h << 16) / f->src_h)) >> 14; in ivtv_yuv_handle_vertical()
430 reg_2968_base = (src_minor_uv * ((f->dst_h << 16) / f->src_h)) >> 14; in ivtv_yuv_handle_vertical()
432 if (f->dst_h / 2 >= f->src_h && !f->interlaced_y) { in ivtv_yuv_handle_vertical()
433 master_height = (f->src_h * 0x00400000) / f->dst_h; in ivtv_yuv_handle_vertical()
434 if ((f->src_h * 0x00400000) - (master_height * f->dst_h) >= f->dst_h / 2) in ivtv_yuv_handle_vertical()
443 } else if (f->dst_h >= f->src_h) { in ivtv_yuv_handle_vertical()
444 master_height = (f->src_h * 0x00400000) / f->dst_h; in ivtv_yuv_handle_vertical()
451 if (f->interlaced_y) { in ivtv_yuv_handle_vertical()
457 if (f->interlaced_uv) in ivtv_yuv_handle_vertical()
460 } else if (f->dst_h >= f->src_h / 2) { in ivtv_yuv_handle_vertical()
461 master_height = (f->src_h * 0x00200000) / f->dst_h; in ivtv_yuv_handle_vertical()
468 if (f->interlaced_y) { in ivtv_yuv_handle_vertical()
474 if (f->interlaced_uv) in ivtv_yuv_handle_vertical()
478 master_height = (f->src_h * 0x00100000) / f->dst_h; in ivtv_yuv_handle_vertical()
491 if (f->src_h == f->dst_h) { in ivtv_yuv_handle_vertical()
505 if (f->interlaced_y) in ivtv_yuv_handle_vertical()
510 if (f->interlaced_uv) in ivtv_yuv_handle_vertical()
514 if (yi->decode_height == 480) in ivtv_yuv_handle_vertical()
519 if (f->dst_y < 0) in ivtv_yuv_handle_vertical()
520 reg_289c = (reg_289c - ((f->dst_y & ~1)<<15))-(f->dst_y >>1); in ivtv_yuv_handle_vertical()
522 reg_289c = (reg_289c + ((f->dst_y & ~1)<<15))+(f->dst_y >>1); in ivtv_yuv_handle_vertical()
526 reg_2960 = ((src_minor_y + f->src_h + src_major_y) - 1) | in ivtv_yuv_handle_vertical()
527 (((src_minor_uv + f->src_h + src_major_uv - 1) & ~1) << 15); in ivtv_yuv_handle_vertical()
530 if (f->src_h == f->dst_h) { in ivtv_yuv_handle_vertical()
533 reg_2964 = 2 + ((f->dst_h << 1) / f->src_h); in ivtv_yuv_handle_vertical()
542 reg_2964 = 0x00010001 + ((reg_2964 & 0x0000FFFF) - (reg_2964 >> 16)); in ivtv_yuv_handle_vertical()
543 reg_2968 = 0x00010001 + ((reg_2968 & 0x0000FFFF) - (reg_2968 >> 16)); in ivtv_yuv_handle_vertical()
546 inducing so try to reduce it slightly. Leave 2968 as-is otherwise in ivtv_yuv_handle_vertical()
548 if ((reg_2964 != 0x00010001) && (f->dst_h / 2 <= f->src_h)) in ivtv_yuv_handle_vertical()
551 if (!f->interlaced_y) in ivtv_yuv_handle_vertical()
552 reg_2964 -= 0x00010001; in ivtv_yuv_handle_vertical()
553 if (!f->interlaced_uv) in ivtv_yuv_handle_vertical()
554 reg_2968 -= 0x00010001; in ivtv_yuv_handle_vertical()
560 if (f->src_h == f->dst_h) { in ivtv_yuv_handle_vertical()
566 v_filter_1 = ((f->src_h << 16) / f->dst_h) >> 15; in ivtv_yuv_handle_vertical()
575 IVTV_DEBUG_YUV("Update reg 0x2934 %08x->%08x 0x293c %08x->%08x\n", in ivtv_yuv_handle_vertical()
576 yi->reg_2934, reg_2934, yi->reg_293c, reg_293c); in ivtv_yuv_handle_vertical()
579 IVTV_DEBUG_YUV("Update reg 0x2944 %08x->%08x 0x294c %08x->%08x\n", in ivtv_yuv_handle_vertical()
580 yi->reg_2944, reg_2944, yi->reg_294c, reg_294c); in ivtv_yuv_handle_vertical()
584 /* IVTV_DEBUG_YUV("Update reg 0x2970 %08x->%08x\n", yi->reg_2970, 0); */ in ivtv_yuv_handle_vertical()
588 IVTV_DEBUG_YUV("Update reg 0x2930 %08x->%08x 0x2938 %08x->%08x\n", in ivtv_yuv_handle_vertical()
589 yi->reg_2930, reg_2930, yi->reg_2938, reg_2930); in ivtv_yuv_handle_vertical()
593 IVTV_DEBUG_YUV("Update reg 0x2928 %08x->%08x 0x292c %08x->%08x\n", in ivtv_yuv_handle_vertical()
594 yi->reg_2928, reg_2928, yi->reg_292c, reg_2928 + 0x514); in ivtv_yuv_handle_vertical()
598 IVTV_DEBUG_YUV("Update reg 0x2920 %08x->%08x 0x2924 %08x->%08x\n", in ivtv_yuv_handle_vertical()
599 yi->reg_2920, reg_2920, yi->reg_2924, reg_2920 + 0x514); in ivtv_yuv_handle_vertical()
603 IVTV_DEBUG_YUV("Update reg 0x2918 %08x->%08x 0x291C %08x->%08x\n", in ivtv_yuv_handle_vertical()
604 yi->reg_2918, reg_2918, yi->reg_291c, reg_291c); in ivtv_yuv_handle_vertical()
607 IVTV_DEBUG_YUV("Update reg 0x296c %08x->%08x\n", in ivtv_yuv_handle_vertical()
608 yi->reg_296c, reg_296c); in ivtv_yuv_handle_vertical()
612 IVTV_DEBUG_YUV("Update reg 0x2940 %08x->%08x 0x2948 %08x->%08x\n", in ivtv_yuv_handle_vertical()
613 yi->reg_2940, reg_2940, yi->reg_2948, reg_2940); in ivtv_yuv_handle_vertical()
617 IVTV_DEBUG_YUV("Update reg 0x2950 %08x->%08x 0x2954 %08x->%08x\n", in ivtv_yuv_handle_vertical()
618 yi->reg_2950, reg_2950, yi->reg_2954, reg_2954); in ivtv_yuv_handle_vertical()
622 IVTV_DEBUG_YUV("Update reg 0x2958 %08x->%08x 0x295C %08x->%08x\n", in ivtv_yuv_handle_vertical()
623 yi->reg_2958, reg_2958, yi->reg_295c, reg_295c); in ivtv_yuv_handle_vertical()
626 IVTV_DEBUG_YUV("Update reg 0x2960 %08x->%08x \n", in ivtv_yuv_handle_vertical()
627 yi->reg_2960, reg_2960); in ivtv_yuv_handle_vertical()
631 IVTV_DEBUG_YUV("Update reg 0x2964 %08x->%08x 0x2968 %08x->%08x\n", in ivtv_yuv_handle_vertical()
632 yi->reg_2964, reg_2964, yi->reg_2968, reg_2968); in ivtv_yuv_handle_vertical()
635 IVTV_DEBUG_YUV("Update reg 0x289c %08x->%08x\n", in ivtv_yuv_handle_vertical()
636 yi->reg_289c, reg_289c); in ivtv_yuv_handle_vertical()
639 if (v_filter_1 != yi->v_filter_1) { in ivtv_yuv_handle_vertical()
640 ivtv_yuv_filter(itv, -1, v_filter_1, -1); in ivtv_yuv_handle_vertical()
641 yi->v_filter_1 = v_filter_1; in ivtv_yuv_handle_vertical()
645 if (v_filter_2 != yi->v_filter_2) { in ivtv_yuv_handle_vertical()
646 ivtv_yuv_filter(itv, -1, -1, v_filter_2); in ivtv_yuv_handle_vertical()
647 yi->v_filter_2 = v_filter_2; in ivtv_yuv_handle_vertical()
654 struct yuv_frame_info *of = &itv->yuv_info.old_frame_info; in ivtv_yuv_window_setup()
660 if (f->src_x < 0) in ivtv_yuv_window_setup()
661 f->src_x = 0; in ivtv_yuv_window_setup()
662 if (f->src_y < 0) in ivtv_yuv_window_setup()
663 f->src_y = 0; in ivtv_yuv_window_setup()
666 if ((osd_crop = f->src_w - 4 * f->dst_w) > 0) { in ivtv_yuv_window_setup()
667 f->src_x += osd_crop / 2; in ivtv_yuv_window_setup()
668 f->src_w = (f->src_w - osd_crop) & ~3; in ivtv_yuv_window_setup()
669 f->dst_w = f->src_w / 4; in ivtv_yuv_window_setup()
670 f->dst_w += f->dst_w & 1; in ivtv_yuv_window_setup()
674 if (f->src_h / f->dst_h >= 2) { in ivtv_yuv_window_setup()
677 f->interlaced_y = 1; in ivtv_yuv_window_setup()
679 if ((osd_crop = f->src_h - 4 * f->dst_h) > 0) { in ivtv_yuv_window_setup()
681 f->src_y += osd_crop / 2; in ivtv_yuv_window_setup()
682 f->src_h = (f->src_h - osd_crop) & ~3; in ivtv_yuv_window_setup()
683 f->dst_h = f->src_h / 4; in ivtv_yuv_window_setup()
684 f->dst_h += f->dst_h & 1; in ivtv_yuv_window_setup()
688 /* If there's nothing to safe to display, we may as well stop now */ in ivtv_yuv_window_setup()
689 if ((int)f->dst_w <= 2 || (int)f->dst_h <= 2 || in ivtv_yuv_window_setup()
690 (int)f->src_w <= 2 || (int)f->src_h <= 2) { in ivtv_yuv_window_setup()
695 osd_scale = (f->src_h << 16) / f->dst_h; in ivtv_yuv_window_setup()
697 if ((osd_crop = f->pan_y - f->dst_y) > 0) { in ivtv_yuv_window_setup()
698 /* Falls off the upper edge - crop */ in ivtv_yuv_window_setup()
699 f->src_y += (osd_scale * osd_crop) >> 16; in ivtv_yuv_window_setup()
700 f->src_h -= (osd_scale * osd_crop) >> 16; in ivtv_yuv_window_setup()
701 f->dst_h -= osd_crop; in ivtv_yuv_window_setup()
702 f->dst_y = 0; in ivtv_yuv_window_setup()
704 f->dst_y -= f->pan_y; in ivtv_yuv_window_setup()
707 if ((osd_crop = f->dst_h + f->dst_y - f->vis_h) > 0) { in ivtv_yuv_window_setup()
708 /* Falls off the lower edge - crop */ in ivtv_yuv_window_setup()
709 f->dst_h -= osd_crop; in ivtv_yuv_window_setup()
710 f->src_h -= (osd_scale * osd_crop) >> 16; in ivtv_yuv_window_setup()
713 osd_scale = (f->src_w << 16) / f->dst_w; in ivtv_yuv_window_setup()
715 if ((osd_crop = f->pan_x - f->dst_x) > 0) { in ivtv_yuv_window_setup()
716 /* Fall off the left edge - crop */ in ivtv_yuv_window_setup()
717 f->src_x += (osd_scale * osd_crop) >> 16; in ivtv_yuv_window_setup()
718 f->src_w -= (osd_scale * osd_crop) >> 16; in ivtv_yuv_window_setup()
719 f->dst_w -= osd_crop; in ivtv_yuv_window_setup()
720 f->dst_x = 0; in ivtv_yuv_window_setup()
722 f->dst_x -= f->pan_x; in ivtv_yuv_window_setup()
725 if ((osd_crop = f->dst_w + f->dst_x - f->vis_w) > 0) { in ivtv_yuv_window_setup()
726 /* Falls off the right edge - crop */ in ivtv_yuv_window_setup()
727 f->dst_w -= osd_crop; in ivtv_yuv_window_setup()
728 f->src_w -= (osd_scale * osd_crop) >> 16; in ivtv_yuv_window_setup()
731 if (itv->yuv_info.track_osd) { in ivtv_yuv_window_setup()
733 f->dst_x += itv->yuv_info.osd_x_offset; in ivtv_yuv_window_setup()
734 f->dst_y += itv->yuv_info.osd_y_offset; in ivtv_yuv_window_setup()
739 f->dst_w &= ~1; in ivtv_yuv_window_setup()
740 f->dst_x &= ~1; in ivtv_yuv_window_setup()
742 f->src_w += f->src_x & 1; in ivtv_yuv_window_setup()
743 f->src_x &= ~1; in ivtv_yuv_window_setup()
745 f->src_w &= ~1; in ivtv_yuv_window_setup()
746 f->dst_w &= ~1; in ivtv_yuv_window_setup()
748 f->dst_h &= ~1; in ivtv_yuv_window_setup()
749 f->dst_y &= ~1; in ivtv_yuv_window_setup()
751 f->src_h += f->src_y & 1; in ivtv_yuv_window_setup()
752 f->src_y &= ~1; in ivtv_yuv_window_setup()
754 f->src_h &= ~1; in ivtv_yuv_window_setup()
755 f->dst_h &= ~1; in ivtv_yuv_window_setup()
760 if (f->dst_w < f->src_w / 4) { in ivtv_yuv_window_setup()
761 f->src_w &= ~3; in ivtv_yuv_window_setup()
762 f->dst_w = f->src_w / 4; in ivtv_yuv_window_setup()
763 f->dst_w += f->dst_w & 1; in ivtv_yuv_window_setup()
765 if (f->dst_h < f->src_h / 4) { in ivtv_yuv_window_setup()
766 f->src_h &= ~3; in ivtv_yuv_window_setup()
767 f->dst_h = f->src_h / 4; in ivtv_yuv_window_setup()
768 f->dst_h += f->dst_h & 1; in ivtv_yuv_window_setup()
771 /* Check again. If there's nothing to safe to display, stop now */ in ivtv_yuv_window_setup()
772 if ((int)f->dst_w <= 2 || (int)f->dst_h <= 2 || in ivtv_yuv_window_setup()
773 (int)f->src_w <= 2 || (int)f->src_h <= 2) { in ivtv_yuv_window_setup()
778 if ((of->dst_w != f->dst_w) || (of->src_w != f->src_w) || in ivtv_yuv_window_setup()
779 (of->dst_x != f->dst_x) || (of->src_x != f->src_x) || in ivtv_yuv_window_setup()
780 (of->pan_x != f->pan_x) || (of->vis_w != f->vis_w)) { in ivtv_yuv_window_setup()
784 if ((of->src_h != f->src_h) || (of->dst_h != f->dst_h) || in ivtv_yuv_window_setup()
785 (of->dst_y != f->dst_y) || (of->src_y != f->src_y) || in ivtv_yuv_window_setup()
786 (of->pan_y != f->pan_y) || (of->vis_h != f->vis_h) || in ivtv_yuv_window_setup()
787 (of->lace_mode != f->lace_mode) || in ivtv_yuv_window_setup()
788 (of->interlaced_y != f->interlaced_y) || in ivtv_yuv_window_setup()
789 (of->interlaced_uv != f->interlaced_uv)) { in ivtv_yuv_window_setup()
799 struct yuv_playback_info *yi = &itv->yuv_info; in ivtv_yuv_work_handler()
801 int frame = yi->update_frame; in ivtv_yuv_work_handler()
805 f = yi->new_frame_info[frame]; in ivtv_yuv_work_handler()
807 if (yi->track_osd) { in ivtv_yuv_work_handler()
809 f.pan_x = yi->osd_x_pan; in ivtv_yuv_work_handler()
810 f.pan_y = yi->osd_y_pan; in ivtv_yuv_work_handler()
811 f.vis_w = yi->osd_vis_w; in ivtv_yuv_work_handler()
812 f.vis_h = yi->osd_vis_h; in ivtv_yuv_work_handler()
818 f.vis_h = yi->decode_height; in ivtv_yuv_work_handler()
836 yi->old_frame_info = f; in ivtv_yuv_work_handler()
841 struct yuv_playback_info *yi = &itv->yuv_info; in ivtv_yuv_init()
846 yi->reg_2834 = read_reg(0x02834); in ivtv_yuv_init()
847 yi->reg_2838 = read_reg(0x02838); in ivtv_yuv_init()
848 yi->reg_283c = read_reg(0x0283c); in ivtv_yuv_init()
849 yi->reg_2840 = read_reg(0x02840); in ivtv_yuv_init()
850 yi->reg_2844 = read_reg(0x02844); in ivtv_yuv_init()
851 yi->reg_2848 = read_reg(0x02848); in ivtv_yuv_init()
852 yi->reg_2854 = read_reg(0x02854); in ivtv_yuv_init()
853 yi->reg_285c = read_reg(0x0285c); in ivtv_yuv_init()
854 yi->reg_2864 = read_reg(0x02864); in ivtv_yuv_init()
855 yi->reg_2870 = read_reg(0x02870); in ivtv_yuv_init()
856 yi->reg_2874 = read_reg(0x02874); in ivtv_yuv_init()
857 yi->reg_2898 = read_reg(0x02898); in ivtv_yuv_init()
858 yi->reg_2890 = read_reg(0x02890); in ivtv_yuv_init()
860 yi->reg_289c = read_reg(0x0289c); in ivtv_yuv_init()
861 yi->reg_2918 = read_reg(0x02918); in ivtv_yuv_init()
862 yi->reg_291c = read_reg(0x0291c); in ivtv_yuv_init()
863 yi->reg_2920 = read_reg(0x02920); in ivtv_yuv_init()
864 yi->reg_2924 = read_reg(0x02924); in ivtv_yuv_init()
865 yi->reg_2928 = read_reg(0x02928); in ivtv_yuv_init()
866 yi->reg_292c = read_reg(0x0292c); in ivtv_yuv_init()
867 yi->reg_2930 = read_reg(0x02930); in ivtv_yuv_init()
868 yi->reg_2934 = read_reg(0x02934); in ivtv_yuv_init()
869 yi->reg_2938 = read_reg(0x02938); in ivtv_yuv_init()
870 yi->reg_293c = read_reg(0x0293c); in ivtv_yuv_init()
871 yi->reg_2940 = read_reg(0x02940); in ivtv_yuv_init()
872 yi->reg_2944 = read_reg(0x02944); in ivtv_yuv_init()
873 yi->reg_2948 = read_reg(0x02948); in ivtv_yuv_init()
874 yi->reg_294c = read_reg(0x0294c); in ivtv_yuv_init()
875 yi->reg_2950 = read_reg(0x02950); in ivtv_yuv_init()
876 yi->reg_2954 = read_reg(0x02954); in ivtv_yuv_init()
877 yi->reg_2958 = read_reg(0x02958); in ivtv_yuv_init()
878 yi->reg_295c = read_reg(0x0295c); in ivtv_yuv_init()
879 yi->reg_2960 = read_reg(0x02960); in ivtv_yuv_init()
880 yi->reg_2964 = read_reg(0x02964); in ivtv_yuv_init()
881 yi->reg_2968 = read_reg(0x02968); in ivtv_yuv_init()
882 yi->reg_296c = read_reg(0x0296c); in ivtv_yuv_init()
883 yi->reg_2970 = read_reg(0x02970); in ivtv_yuv_init()
885 yi->v_filter_1 = -1; in ivtv_yuv_init()
886 yi->v_filter_2 = -1; in ivtv_yuv_init()
887 yi->h_filter = -1; in ivtv_yuv_init()
890 yi->osd_x_offset = read_reg(0x02a04) & 0x00000FFF; in ivtv_yuv_init()
891 yi->osd_y_offset = (read_reg(0x02a04) >> 16) & 0x00000FFF; in ivtv_yuv_init()
896 yi->decode_height = 576; in ivtv_yuv_init()
898 yi->decode_height = 480; in ivtv_yuv_init()
900 if (!itv->osd_info) { in ivtv_yuv_init()
901 yi->osd_vis_w = 720 - yi->osd_x_offset; in ivtv_yuv_init()
902 yi->osd_vis_h = yi->decode_height - yi->osd_y_offset; in ivtv_yuv_init()
905 if (!yi->osd_vis_w) in ivtv_yuv_init()
906 yi->osd_vis_w = 720 - yi->osd_x_offset; in ivtv_yuv_init()
908 if (!yi->osd_vis_h) { in ivtv_yuv_init()
909 yi->osd_vis_h = yi->decode_height - yi->osd_y_offset; in ivtv_yuv_init()
910 } else if (yi->osd_vis_h + yi->osd_y_offset > yi->decode_height) { in ivtv_yuv_init()
913 IVTV_DEBUG_WARN("Clipping yuv output - fb size (%d) exceeds video standard limit (%d)\n", in ivtv_yuv_init()
914 yi->osd_vis_h + yi->osd_y_offset, in ivtv_yuv_init()
915 yi->decode_height); in ivtv_yuv_init()
916 yi->osd_vis_h = yi->decode_height - yi->osd_y_offset; in ivtv_yuv_init()
920 /* We need a buffer for blanking when Y plane is offset - non-fatal if we can't get one */ in ivtv_yuv_init()
921 yi->blanking_ptr = kzalloc(720 * 16, GFP_ATOMIC|__GFP_NOWARN); in ivtv_yuv_init()
922 if (yi->blanking_ptr) { in ivtv_yuv_init()
923 yi->blanking_dmaptr = pci_map_single(itv->pdev, yi->blanking_ptr, 720*16, PCI_DMA_TODEVICE); in ivtv_yuv_init()
925 yi->blanking_dmaptr = 0; in ivtv_yuv_init()
932 set_bit(IVTV_F_I_DECODING_YUV, &itv->i_flags); in ivtv_yuv_init()
933 atomic_set(&yi->next_dma_frame, 0); in ivtv_yuv_init()
940 struct yuv_playback_info *yi = &itv->yuv_info; in ivtv_yuv_next_free()
942 if (atomic_read(&yi->next_dma_frame) == -1) in ivtv_yuv_next_free()
945 draw = atomic_read(&yi->next_fill_frame); in ivtv_yuv_next_free()
946 display = atomic_read(&yi->next_dma_frame); in ivtv_yuv_next_free()
949 display -= IVTV_YUV_BUFFERS; in ivtv_yuv_next_free()
951 if (draw - display >= yi->max_frames_buffered) in ivtv_yuv_next_free()
952 draw = (u8)(draw - 1) % IVTV_YUV_BUFFERS; in ivtv_yuv_next_free()
954 yi->new_frame_info[draw].update = 0; in ivtv_yuv_next_free()
956 yi->draw_frame = draw; in ivtv_yuv_next_free()
962 struct yuv_playback_info *yi = &itv->yuv_info; in ivtv_yuv_setup_frame()
963 u8 frame = yi->draw_frame; in ivtv_yuv_setup_frame()
964 u8 last_frame = (u8)(frame - 1) % IVTV_YUV_BUFFERS; in ivtv_yuv_setup_frame()
965 struct yuv_frame_info *nf = &yi->new_frame_info[frame]; in ivtv_yuv_setup_frame()
966 struct yuv_frame_info *of = &yi->new_frame_info[last_frame]; in ivtv_yuv_setup_frame()
967 int lace_threshold = yi->lace_threshold; in ivtv_yuv_setup_frame()
970 int update = nf->update; in ivtv_yuv_setup_frame()
973 nf->src_x = args->src.left; in ivtv_yuv_setup_frame()
974 nf->src_y = args->src.top; in ivtv_yuv_setup_frame()
975 nf->src_w = args->src.width; in ivtv_yuv_setup_frame()
976 nf->src_h = args->src.height; in ivtv_yuv_setup_frame()
977 nf->dst_x = args->dst.left; in ivtv_yuv_setup_frame()
978 nf->dst_y = args->dst.top; in ivtv_yuv_setup_frame()
979 nf->dst_w = args->dst.width; in ivtv_yuv_setup_frame()
980 nf->dst_h = args->dst.height; in ivtv_yuv_setup_frame()
981 nf->tru_x = args->dst.left; in ivtv_yuv_setup_frame()
982 nf->tru_w = args->src_width; in ivtv_yuv_setup_frame()
983 nf->tru_h = args->src_height; in ivtv_yuv_setup_frame()
986 nf->offset_y = (nf->tru_h + nf->src_x < 512 - 16) ? 1 : 0; in ivtv_yuv_setup_frame()
988 nf->update = 0; in ivtv_yuv_setup_frame()
989 nf->interlaced_y = 0; in ivtv_yuv_setup_frame()
990 nf->interlaced_uv = 0; in ivtv_yuv_setup_frame()
991 nf->delay = 0; in ivtv_yuv_setup_frame()
992 nf->sync_field = 0; in ivtv_yuv_setup_frame()
993 nf->lace_mode = yi->lace_mode & IVTV_YUV_MODE_MASK; in ivtv_yuv_setup_frame()
996 lace_threshold = yi->decode_height - 1; in ivtv_yuv_setup_frame()
999 switch (nf->lace_mode) { in ivtv_yuv_setup_frame()
1001 nf->interlaced = 0; in ivtv_yuv_setup_frame()
1002 if (nf->tru_h < 512 || (nf->tru_h > 576 && nf->tru_h < 1021)) in ivtv_yuv_setup_frame()
1003 nf->interlaced_y = 0; in ivtv_yuv_setup_frame()
1005 nf->interlaced_y = 1; in ivtv_yuv_setup_frame()
1007 if (nf->tru_h < 1021 && (nf->dst_h >= nf->src_h / 2)) in ivtv_yuv_setup_frame()
1008 nf->interlaced_uv = 0; in ivtv_yuv_setup_frame()
1010 nf->interlaced_uv = 1; in ivtv_yuv_setup_frame()
1014 if (nf->tru_h <= lace_threshold || nf->tru_h > 576 || nf->tru_w > 720) { in ivtv_yuv_setup_frame()
1015 nf->interlaced = 0; in ivtv_yuv_setup_frame()
1016 if ((nf->tru_h < 512) || in ivtv_yuv_setup_frame()
1017 (nf->tru_h > 576 && nf->tru_h < 1021) || in ivtv_yuv_setup_frame()
1018 (nf->tru_w > 720 && nf->tru_h < 1021)) in ivtv_yuv_setup_frame()
1019 nf->interlaced_y = 0; in ivtv_yuv_setup_frame()
1021 nf->interlaced_y = 1; in ivtv_yuv_setup_frame()
1022 if (nf->tru_h < 1021 && (nf->dst_h >= nf->src_h / 2)) in ivtv_yuv_setup_frame()
1023 nf->interlaced_uv = 0; in ivtv_yuv_setup_frame()
1025 nf->interlaced_uv = 1; in ivtv_yuv_setup_frame()
1027 nf->interlaced = 1; in ivtv_yuv_setup_frame()
1028 nf->interlaced_y = 1; in ivtv_yuv_setup_frame()
1029 nf->interlaced_uv = 1; in ivtv_yuv_setup_frame()
1035 nf->interlaced = 1; in ivtv_yuv_setup_frame()
1036 nf->interlaced_y = 1; in ivtv_yuv_setup_frame()
1037 nf->interlaced_uv = 1; in ivtv_yuv_setup_frame()
1041 if (memcmp(&yi->old_frame_info_args, nf, sizeof(*nf))) { in ivtv_yuv_setup_frame()
1042 yi->old_frame_info_args = *nf; in ivtv_yuv_setup_frame()
1043 nf->update = 1; in ivtv_yuv_setup_frame()
1047 nf->update |= update; in ivtv_yuv_setup_frame()
1048 nf->sync_field = yi->lace_sync_field; in ivtv_yuv_setup_frame()
1049 nf->delay = nf->sync_field != of->sync_field; in ivtv_yuv_setup_frame()
1055 atomic_set(&itv->yuv_info.next_fill_frame, in ivtv_yuv_frame_complete()
1056 (itv->yuv_info.draw_frame + 1) % IVTV_YUV_BUFFERS); in ivtv_yuv_frame_complete()
1064 /* DMA the frame */ in ivtv_yuv_udma_frame()
1065 mutex_lock(&itv->udma.lock); in ivtv_yuv_udma_frame()
1067 if ((rc = ivtv_yuv_prep_user_dma(itv, &itv->udma, args)) != 0) { in ivtv_yuv_udma_frame()
1068 mutex_unlock(&itv->udma.lock); in ivtv_yuv_udma_frame()
1073 prepare_to_wait(&itv->dma_waitq, &wait, TASK_INTERRUPTIBLE); in ivtv_yuv_udma_frame()
1074 /* if no UDMA is pending and no UDMA is in progress, then the DMA in ivtv_yuv_udma_frame()
1076 while (test_bit(IVTV_F_I_UDMA_PENDING, &itv->i_flags) || in ivtv_yuv_udma_frame()
1077 test_bit(IVTV_F_I_UDMA, &itv->i_flags)) { in ivtv_yuv_udma_frame()
1078 /* don't interrupt if the DMA is in progress but break off in ivtv_yuv_udma_frame()
1079 a still pending DMA. */ in ivtv_yuv_udma_frame()
1081 if (got_sig && test_and_clear_bit(IVTV_F_I_UDMA_PENDING, &itv->i_flags)) in ivtv_yuv_udma_frame()
1086 finish_wait(&itv->dma_waitq, &wait); in ivtv_yuv_udma_frame()
1088 /* Unmap Last DMA Xfer */ in ivtv_yuv_udma_frame()
1093 mutex_unlock(&itv->udma.lock); in ivtv_yuv_udma_frame()
1094 return -EINTR; in ivtv_yuv_udma_frame()
1099 mutex_unlock(&itv->udma.lock); in ivtv_yuv_udma_frame()
1106 struct yuv_playback_info *yi = &itv->yuv_info; in ivtv_yuv_setup_stream_frame()
1116 dma_args.src.width = yi->v4l2_src_w; in ivtv_yuv_setup_stream_frame()
1117 dma_args.src.height = yi->v4l2_src_h; in ivtv_yuv_setup_stream_frame()
1118 dma_args.dst = yi->main_rect; in ivtv_yuv_setup_stream_frame()
1119 dma_args.src_width = yi->v4l2_src_w; in ivtv_yuv_setup_stream_frame()
1120 dma_args.src_height = yi->v4l2_src_h; in ivtv_yuv_setup_stream_frame()
1125 if (!itv->dma_data_req_offset) in ivtv_yuv_setup_stream_frame()
1126 itv->dma_data_req_offset = yuv_offset[yi->draw_frame]; in ivtv_yuv_setup_stream_frame()
1129 /* Attempt to dma a frame from a user buffer */
1132 struct yuv_playback_info *yi = &itv->yuv_info; in ivtv_yuv_udma_stream_frame()
1140 dma_args.uv_source = src + 720 * ((yi->v4l2_src_h + 31) & ~31); in ivtv_yuv_udma_stream_frame()
1141 /* Wait for frame DMA. Note that serialize_lock is locked, in ivtv_yuv_udma_stream_frame()
1144 mutex_unlock(&itv->serialize_lock); in ivtv_yuv_udma_stream_frame()
1146 mutex_lock(&itv->serialize_lock); in ivtv_yuv_udma_stream_frame()
1158 /* Wait for frame DMA. Note that serialize_lock is locked, in ivtv_yuv_prep_frame()
1161 mutex_unlock(&itv->serialize_lock); in ivtv_yuv_prep_frame()
1163 mutex_lock(&itv->serialize_lock); in ivtv_yuv_prep_frame()
1169 struct yuv_playback_info *yi = &itv->yuv_info; in ivtv_yuv_close()
1173 mutex_unlock(&itv->serialize_lock); in ivtv_yuv_close()
1174 ivtv_waitq(&itv->vsync_waitq); in ivtv_yuv_close()
1175 mutex_lock(&itv->serialize_lock); in ivtv_yuv_close()
1177 yi->running = 0; in ivtv_yuv_close()
1178 atomic_set(&yi->next_dma_frame, -1); in ivtv_yuv_close()
1179 atomic_set(&yi->next_fill_frame, 0); in ivtv_yuv_close()
1186 write_reg(yi->reg_2898 | 0x01000000, 0x2898); in ivtv_yuv_close()
1188 write_reg(yi->reg_2834, 0x02834); in ivtv_yuv_close()
1189 write_reg(yi->reg_2838, 0x02838); in ivtv_yuv_close()
1190 write_reg(yi->reg_283c, 0x0283c); in ivtv_yuv_close()
1191 write_reg(yi->reg_2840, 0x02840); in ivtv_yuv_close()
1192 write_reg(yi->reg_2844, 0x02844); in ivtv_yuv_close()
1193 write_reg(yi->reg_2848, 0x02848); in ivtv_yuv_close()
1194 write_reg(yi->reg_2854, 0x02854); in ivtv_yuv_close()
1195 write_reg(yi->reg_285c, 0x0285c); in ivtv_yuv_close()
1196 write_reg(yi->reg_2864, 0x02864); in ivtv_yuv_close()
1197 write_reg(yi->reg_2870, 0x02870); in ivtv_yuv_close()
1198 write_reg(yi->reg_2874, 0x02874); in ivtv_yuv_close()
1199 write_reg(yi->reg_2890, 0x02890); in ivtv_yuv_close()
1200 write_reg(yi->reg_289c, 0x0289c); in ivtv_yuv_close()
1202 write_reg(yi->reg_2918, 0x02918); in ivtv_yuv_close()
1203 write_reg(yi->reg_291c, 0x0291c); in ivtv_yuv_close()
1204 write_reg(yi->reg_2920, 0x02920); in ivtv_yuv_close()
1205 write_reg(yi->reg_2924, 0x02924); in ivtv_yuv_close()
1206 write_reg(yi->reg_2928, 0x02928); in ivtv_yuv_close()
1207 write_reg(yi->reg_292c, 0x0292c); in ivtv_yuv_close()
1208 write_reg(yi->reg_2930, 0x02930); in ivtv_yuv_close()
1209 write_reg(yi->reg_2934, 0x02934); in ivtv_yuv_close()
1210 write_reg(yi->reg_2938, 0x02938); in ivtv_yuv_close()
1211 write_reg(yi->reg_293c, 0x0293c); in ivtv_yuv_close()
1212 write_reg(yi->reg_2940, 0x02940); in ivtv_yuv_close()
1213 write_reg(yi->reg_2944, 0x02944); in ivtv_yuv_close()
1214 write_reg(yi->reg_2948, 0x02948); in ivtv_yuv_close()
1215 write_reg(yi->reg_294c, 0x0294c); in ivtv_yuv_close()
1216 write_reg(yi->reg_2950, 0x02950); in ivtv_yuv_close()
1217 write_reg(yi->reg_2954, 0x02954); in ivtv_yuv_close()
1218 write_reg(yi->reg_2958, 0x02958); in ivtv_yuv_close()
1219 write_reg(yi->reg_295c, 0x0295c); in ivtv_yuv_close()
1220 write_reg(yi->reg_2960, 0x02960); in ivtv_yuv_close()
1221 write_reg(yi->reg_2964, 0x02964); in ivtv_yuv_close()
1222 write_reg(yi->reg_2968, 0x02968); in ivtv_yuv_close()
1223 write_reg(yi->reg_296c, 0x0296c); in ivtv_yuv_close()
1224 write_reg(yi->reg_2970, 0x02970); in ivtv_yuv_close()
1229 if ((yi->reg_2834 & 0x0000FFFF) == (yi->reg_2834 >> 16)) { in ivtv_yuv_close()
1234 h_filter = ((yi->reg_2834 << 16) / (yi->reg_2834 >> 16)) >> 15; in ivtv_yuv_close()
1241 if ((yi->reg_2918 & 0x0000FFFF) == (yi->reg_2918 >> 16)) { in ivtv_yuv_close()
1247 v_filter_1 = ((yi->reg_2918 << 16) / (yi->reg_2918 >> 16)) >> 15; in ivtv_yuv_close()
1264 if (yi->blanking_ptr) { in ivtv_yuv_close()
1265 kfree(yi->blanking_ptr); in ivtv_yuv_close()
1266 yi->blanking_ptr = NULL; in ivtv_yuv_close()
1267 pci_unmap_single(itv->pdev, yi->blanking_dmaptr, 720*16, PCI_DMA_TODEVICE); in ivtv_yuv_close()
1271 yi->old_frame_info.src_w = 0; in ivtv_yuv_close()
1272 yi->old_frame_info.src_h = 0; in ivtv_yuv_close()
1273 yi->old_frame_info_args.src_w = 0; in ivtv_yuv_close()
1274 yi->old_frame_info_args.src_h = 0; in ivtv_yuv_close()
1277 clear_bit(IVTV_F_I_DECODING_YUV, &itv->i_flags); in ivtv_yuv_close()