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path: root/drivers/media/video/ivtv/ivtv-yuv.c
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Diffstat (limited to 'drivers/media/video/ivtv/ivtv-yuv.c')
-rw-r--r--drivers/media/video/ivtv/ivtv-yuv.c138
1 files changed, 72 insertions, 66 deletions
diff --git a/drivers/media/video/ivtv/ivtv-yuv.c b/drivers/media/video/ivtv/ivtv-yuv.c
index 13c358242bbc..9091c4837bbc 100644
--- a/drivers/media/video/ivtv/ivtv-yuv.c
+++ b/drivers/media/video/ivtv/ivtv-yuv.c
@@ -857,95 +857,101 @@ void ivtv_yuv_work_handler (struct ivtv *itv)
857 857
858static void ivtv_yuv_init (struct ivtv *itv) 858static void ivtv_yuv_init (struct ivtv *itv)
859{ 859{
860 struct yuv_playback_info *yi = &itv->yuv_info;
861
860 IVTV_DEBUG_YUV("ivtv_yuv_init\n"); 862 IVTV_DEBUG_YUV("ivtv_yuv_init\n");
861 863
862 /* Take a snapshot of the current register settings */ 864 /* Take a snapshot of the current register settings */
863 itv->yuv_info.reg_2834 = read_reg(0x02834); 865 yi->reg_2834 = read_reg(0x02834);
864 itv->yuv_info.reg_2838 = read_reg(0x02838); 866 yi->reg_2838 = read_reg(0x02838);
865 itv->yuv_info.reg_283c = read_reg(0x0283c); 867 yi->reg_283c = read_reg(0x0283c);
866 itv->yuv_info.reg_2840 = read_reg(0x02840); 868 yi->reg_2840 = read_reg(0x02840);
867 itv->yuv_info.reg_2844 = read_reg(0x02844); 869 yi->reg_2844 = read_reg(0x02844);
868 itv->yuv_info.reg_2848 = read_reg(0x02848); 870 yi->reg_2848 = read_reg(0x02848);
869 itv->yuv_info.reg_2854 = read_reg(0x02854); 871 yi->reg_2854 = read_reg(0x02854);
870 itv->yuv_info.reg_285c = read_reg(0x0285c); 872 yi->reg_285c = read_reg(0x0285c);
871 itv->yuv_info.reg_2864 = read_reg(0x02864); 873 yi->reg_2864 = read_reg(0x02864);
872 itv->yuv_info.reg_2870 = read_reg(0x02870); 874 yi->reg_2870 = read_reg(0x02870);
873 itv->yuv_info.reg_2874 = read_reg(0x02874); 875 yi->reg_2874 = read_reg(0x02874);
874 itv->yuv_info.reg_2898 = read_reg(0x02898); 876 yi->reg_2898 = read_reg(0x02898);
875 itv->yuv_info.reg_2890 = read_reg(0x02890); 877 yi->reg_2890 = read_reg(0x02890);
876 878
877 itv->yuv_info.reg_289c = read_reg(0x0289c); 879 yi->reg_289c = read_reg(0x0289c);
878 itv->yuv_info.reg_2918 = read_reg(0x02918); 880 yi->reg_2918 = read_reg(0x02918);
879 itv->yuv_info.reg_291c = read_reg(0x0291c); 881 yi->reg_291c = read_reg(0x0291c);
880 itv->yuv_info.reg_2920 = read_reg(0x02920); 882 yi->reg_2920 = read_reg(0x02920);
881 itv->yuv_info.reg_2924 = read_reg(0x02924); 883 yi->reg_2924 = read_reg(0x02924);
882 itv->yuv_info.reg_2928 = read_reg(0x02928); 884 yi->reg_2928 = read_reg(0x02928);
883 itv->yuv_info.reg_292c = read_reg(0x0292c); 885 yi->reg_292c = read_reg(0x0292c);
884 itv->yuv_info.reg_2930 = read_reg(0x02930); 886 yi->reg_2930 = read_reg(0x02930);
885 itv->yuv_info.reg_2934 = read_reg(0x02934); 887 yi->reg_2934 = read_reg(0x02934);
886 itv->yuv_info.reg_2938 = read_reg(0x02938); 888 yi->reg_2938 = read_reg(0x02938);
887 itv->yuv_info.reg_293c = read_reg(0x0293c); 889 yi->reg_293c = read_reg(0x0293c);
888 itv->yuv_info.reg_2940 = read_reg(0x02940); 890 yi->reg_2940 = read_reg(0x02940);
889 itv->yuv_info.reg_2944 = read_reg(0x02944); 891 yi->reg_2944 = read_reg(0x02944);
890 itv->yuv_info.reg_2948 = read_reg(0x02948); 892 yi->reg_2948 = read_reg(0x02948);
891 itv->yuv_info.reg_294c = read_reg(0x0294c); 893 yi->reg_294c = read_reg(0x0294c);
892 itv->yuv_info.reg_2950 = read_reg(0x02950); 894 yi->reg_2950 = read_reg(0x02950);
893 itv->yuv_info.reg_2954 = read_reg(0x02954); 895 yi->reg_2954 = read_reg(0x02954);
894 itv->yuv_info.reg_2958 = read_reg(0x02958); 896 yi->reg_2958 = read_reg(0x02958);
895 itv->yuv_info.reg_295c = read_reg(0x0295c); 897 yi->reg_295c = read_reg(0x0295c);
896 itv->yuv_info.reg_2960 = read_reg(0x02960); 898 yi->reg_2960 = read_reg(0x02960);
897 itv->yuv_info.reg_2964 = read_reg(0x02964); 899 yi->reg_2964 = read_reg(0x02964);
898 itv->yuv_info.reg_2968 = read_reg(0x02968); 900 yi->reg_2968 = read_reg(0x02968);
899 itv->yuv_info.reg_296c = read_reg(0x0296c); 901 yi->reg_296c = read_reg(0x0296c);
900 itv->yuv_info.reg_2970 = read_reg(0x02970); 902 yi->reg_2970 = read_reg(0x02970);
901 903
902 itv->yuv_info.v_filter_1 = -1; 904 yi->v_filter_1 = -1;
903 itv->yuv_info.v_filter_2 = -1; 905 yi->v_filter_2 = -1;
904 itv->yuv_info.h_filter = -1; 906 yi->h_filter = -1;
905 907
906 /* Set some valid size info */ 908 /* Set some valid size info */
907 itv->yuv_info.osd_x_offset = read_reg(0x02a04) & 0x00000FFF; 909 yi->osd_x_offset = read_reg(0x02a04) & 0x00000FFF;
908 itv->yuv_info.osd_y_offset = (read_reg(0x02a04) >> 16) & 0x00000FFF; 910 yi->osd_y_offset = (read_reg(0x02a04) >> 16) & 0x00000FFF;
909 911
910 /* Bit 2 of reg 2878 indicates current decoder output format 912 /* Bit 2 of reg 2878 indicates current decoder output format
911 0 : NTSC 1 : PAL */ 913 0 : NTSC 1 : PAL */
912 if (read_reg(0x2878) & 4) 914 if (read_reg(0x2878) & 4)
913 itv->yuv_info.decode_height = 576; 915 yi->decode_height = 576;
914 else 916 else
915 itv->yuv_info.decode_height = 480; 917 yi->decode_height = 480;
916
917 /* If no visible size set, assume full size */
918 if (!itv->yuv_info.osd_vis_w)
919 itv->yuv_info.osd_vis_w = 720 - itv->yuv_info.osd_x_offset;
920 918
921 if (!itv->yuv_info.osd_vis_h) { 919 if (!itv->osd_info) {
922 itv->yuv_info.osd_vis_h = itv->yuv_info.decode_height - itv->yuv_info.osd_y_offset; 920 yi->osd_vis_w = 720 - yi->osd_x_offset;
921 yi->osd_vis_h = yi->decode_height - yi->osd_y_offset;
923 } else { 922 } else {
924 /* If output video standard has changed, requested height may 923 /* If no visible size set, assume full size */
925 not be legal */ 924 if (!yi->osd_vis_w)
926 if (itv->yuv_info.osd_vis_h + itv->yuv_info.osd_y_offset > itv->yuv_info.decode_height) { 925 yi->osd_vis_w = 720 - yi->osd_x_offset;
927 IVTV_DEBUG_WARN("Clipping yuv output - fb size (%d) exceeds video standard limit (%d)\n", 926
928 itv->yuv_info.osd_vis_h + itv->yuv_info.osd_y_offset, 927 if (!yi->osd_vis_h)
929 itv->yuv_info.decode_height); 928 yi->osd_vis_h = yi->decode_height - yi->osd_y_offset;
930 itv->yuv_info.osd_vis_h = itv->yuv_info.decode_height - itv->yuv_info.osd_y_offset; 929 else {
930 /* If output video standard has changed, requested height may
931 not be legal */
932 if (yi->osd_vis_h + yi->osd_y_offset > yi->decode_height) {
933 IVTV_DEBUG_WARN("Clipping yuv output - fb size (%d) exceeds video standard limit (%d)\n",
934 yi->osd_vis_h + yi->osd_y_offset,
935 yi->decode_height);
936 yi->osd_vis_h = yi->decode_height - yi->osd_y_offset;
937 }
931 } 938 }
932 } 939 }
933 940
934 /* We need a buffer for blanking when Y plane is offset - non-fatal if we can't get one */ 941 /* We need a buffer for blanking when Y plane is offset - non-fatal if we can't get one */
935 itv->yuv_info.blanking_ptr = kzalloc(720*16,GFP_KERNEL); 942 yi->blanking_ptr = kzalloc(720*16, GFP_KERNEL);
936 if (itv->yuv_info.blanking_ptr) { 943 if (yi->blanking_ptr)
937 itv->yuv_info.blanking_dmaptr = pci_map_single(itv->dev, itv->yuv_info.blanking_ptr, 720*16, PCI_DMA_TODEVICE); 944 yi->blanking_dmaptr = pci_map_single(itv->dev, yi->blanking_ptr, 720*16, PCI_DMA_TODEVICE);
938 }
939 else { 945 else {
940 itv->yuv_info.blanking_dmaptr = 0; 946 yi->blanking_dmaptr = 0;
941 IVTV_DEBUG_WARN ("Failed to allocate yuv blanking buffer\n"); 947 IVTV_DEBUG_WARN("Failed to allocate yuv blanking buffer\n");
942 } 948 }
943 949
944 /* Enable YUV decoder output */ 950 /* Enable YUV decoder output */
945 write_reg_sync(0x01, IVTV_REG_VDM); 951 write_reg_sync(0x01, IVTV_REG_VDM);
946 952
947 set_bit(IVTV_F_I_DECODING_YUV, &itv->i_flags); 953 set_bit(IVTV_F_I_DECODING_YUV, &itv->i_flags);
948 atomic_set(&itv->yuv_info.next_dma_frame,0); 954 atomic_set(&yi->next_dma_frame, 0);
949} 955}
950 956
951int ivtv_yuv_prep_frame(struct ivtv *itv, struct ivtv_dma_frame *args) 957int ivtv_yuv_prep_frame(struct ivtv *itv, struct ivtv_dma_frame *args)