diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/ivtv/ivtv-yuv.c | 138 |
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 13c358242bb..9091c4837bb 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) static void ivtv_yuv_init (struct ivtv *itv) { + struct yuv_playback_info *yi = &itv->yuv_info; + IVTV_DEBUG_YUV("ivtv_yuv_init\n"); /* Take a snapshot of the current register settings */ - itv->yuv_info.reg_2834 = read_reg(0x02834); - itv->yuv_info.reg_2838 = read_reg(0x02838); - itv->yuv_info.reg_283c = read_reg(0x0283c); - itv->yuv_info.reg_2840 = read_reg(0x02840); - itv->yuv_info.reg_2844 = read_reg(0x02844); - itv->yuv_info.reg_2848 = read_reg(0x02848); - itv->yuv_info.reg_2854 = read_reg(0x02854); - itv->yuv_info.reg_285c = read_reg(0x0285c); - itv->yuv_info.reg_2864 = read_reg(0x02864); - itv->yuv_info.reg_2870 = read_reg(0x02870); - itv->yuv_info.reg_2874 = read_reg(0x02874); - itv->yuv_info.reg_2898 = read_reg(0x02898); - itv->yuv_info.reg_2890 = read_reg(0x02890); - - itv->yuv_info.reg_289c = read_reg(0x0289c); - itv->yuv_info.reg_2918 = read_reg(0x02918); - itv->yuv_info.reg_291c = read_reg(0x0291c); - itv->yuv_info.reg_2920 = read_reg(0x02920); - itv->yuv_info.reg_2924 = read_reg(0x02924); - itv->yuv_info.reg_2928 = read_reg(0x02928); - itv->yuv_info.reg_292c = read_reg(0x0292c); - itv->yuv_info.reg_2930 = read_reg(0x02930); - itv->yuv_info.reg_2934 = read_reg(0x02934); - itv->yuv_info.reg_2938 = read_reg(0x02938); - itv->yuv_info.reg_293c = read_reg(0x0293c); - itv->yuv_info.reg_2940 = read_reg(0x02940); - itv->yuv_info.reg_2944 = read_reg(0x02944); - itv->yuv_info.reg_2948 = read_reg(0x02948); - itv->yuv_info.reg_294c = read_reg(0x0294c); - itv->yuv_info.reg_2950 = read_reg(0x02950); - itv->yuv_info.reg_2954 = read_reg(0x02954); - itv->yuv_info.reg_2958 = read_reg(0x02958); - itv->yuv_info.reg_295c = read_reg(0x0295c); - itv->yuv_info.reg_2960 = read_reg(0x02960); - itv->yuv_info.reg_2964 = read_reg(0x02964); - itv->yuv_info.reg_2968 = read_reg(0x02968); - itv->yuv_info.reg_296c = read_reg(0x0296c); - itv->yuv_info.reg_2970 = read_reg(0x02970); - - itv->yuv_info.v_filter_1 = -1; - itv->yuv_info.v_filter_2 = -1; - itv->yuv_info.h_filter = -1; + yi->reg_2834 = read_reg(0x02834); + yi->reg_2838 = read_reg(0x02838); + yi->reg_283c = read_reg(0x0283c); + yi->reg_2840 = read_reg(0x02840); + yi->reg_2844 = read_reg(0x02844); + yi->reg_2848 = read_reg(0x02848); + yi->reg_2854 = read_reg(0x02854); + yi->reg_285c = read_reg(0x0285c); + yi->reg_2864 = read_reg(0x02864); + yi->reg_2870 = read_reg(0x02870); + yi->reg_2874 = read_reg(0x02874); + yi->reg_2898 = read_reg(0x02898); + yi->reg_2890 = read_reg(0x02890); + + yi->reg_289c = read_reg(0x0289c); + yi->reg_2918 = read_reg(0x02918); + yi->reg_291c = read_reg(0x0291c); + yi->reg_2920 = read_reg(0x02920); + yi->reg_2924 = read_reg(0x02924); + yi->reg_2928 = read_reg(0x02928); + yi->reg_292c = read_reg(0x0292c); + yi->reg_2930 = read_reg(0x02930); + yi->reg_2934 = read_reg(0x02934); + yi->reg_2938 = read_reg(0x02938); + yi->reg_293c = read_reg(0x0293c); + yi->reg_2940 = read_reg(0x02940); + yi->reg_2944 = read_reg(0x02944); + yi->reg_2948 = read_reg(0x02948); + yi->reg_294c = read_reg(0x0294c); + yi->reg_2950 = read_reg(0x02950); + yi->reg_2954 = read_reg(0x02954); + yi->reg_2958 = read_reg(0x02958); + yi->reg_295c = read_reg(0x0295c); + yi->reg_2960 = read_reg(0x02960); + yi->reg_2964 = read_reg(0x02964); + yi->reg_2968 = read_reg(0x02968); + yi->reg_296c = read_reg(0x0296c); + yi->reg_2970 = read_reg(0x02970); + + yi->v_filter_1 = -1; + yi->v_filter_2 = -1; + yi->h_filter = -1; /* Set some valid size info */ - itv->yuv_info.osd_x_offset = read_reg(0x02a04) & 0x00000FFF; - itv->yuv_info.osd_y_offset = (read_reg(0x02a04) >> 16) & 0x00000FFF; + yi->osd_x_offset = read_reg(0x02a04) & 0x00000FFF; + yi->osd_y_offset = (read_reg(0x02a04) >> 16) & 0x00000FFF; /* Bit 2 of reg 2878 indicates current decoder output format 0 : NTSC 1 : PAL */ if (read_reg(0x2878) & 4) - itv->yuv_info.decode_height = 576; + yi->decode_height = 576; else - itv->yuv_info.decode_height = 480; - - /* If no visible size set, assume full size */ - if (!itv->yuv_info.osd_vis_w) - itv->yuv_info.osd_vis_w = 720 - itv->yuv_info.osd_x_offset; + yi->decode_height = 480; - if (!itv->yuv_info.osd_vis_h) { - itv->yuv_info.osd_vis_h = itv->yuv_info.decode_height - itv->yuv_info.osd_y_offset; + if (!itv->osd_info) { + yi->osd_vis_w = 720 - yi->osd_x_offset; + yi->osd_vis_h = yi->decode_height - yi->osd_y_offset; } else { - /* If output video standard has changed, requested height may - not be legal */ - if (itv->yuv_info.osd_vis_h + itv->yuv_info.osd_y_offset > itv->yuv_info.decode_height) { - IVTV_DEBUG_WARN("Clipping yuv output - fb size (%d) exceeds video standard limit (%d)\n", - itv->yuv_info.osd_vis_h + itv->yuv_info.osd_y_offset, - itv->yuv_info.decode_height); - itv->yuv_info.osd_vis_h = itv->yuv_info.decode_height - itv->yuv_info.osd_y_offset; + /* If no visible size set, assume full size */ + if (!yi->osd_vis_w) + yi->osd_vis_w = 720 - yi->osd_x_offset; + + if (!yi->osd_vis_h) + yi->osd_vis_h = yi->decode_height - yi->osd_y_offset; + else { + /* If output video standard has changed, requested height may + not be legal */ + if (yi->osd_vis_h + yi->osd_y_offset > yi->decode_height) { + IVTV_DEBUG_WARN("Clipping yuv output - fb size (%d) exceeds video standard limit (%d)\n", + yi->osd_vis_h + yi->osd_y_offset, + yi->decode_height); + yi->osd_vis_h = yi->decode_height - yi->osd_y_offset; + } } } /* We need a buffer for blanking when Y plane is offset - non-fatal if we can't get one */ - itv->yuv_info.blanking_ptr = kzalloc(720*16,GFP_KERNEL); - if (itv->yuv_info.blanking_ptr) { - itv->yuv_info.blanking_dmaptr = pci_map_single(itv->dev, itv->yuv_info.blanking_ptr, 720*16, PCI_DMA_TODEVICE); - } + yi->blanking_ptr = kzalloc(720*16, GFP_KERNEL); + if (yi->blanking_ptr) + yi->blanking_dmaptr = pci_map_single(itv->dev, yi->blanking_ptr, 720*16, PCI_DMA_TODEVICE); else { - itv->yuv_info.blanking_dmaptr = 0; - IVTV_DEBUG_WARN ("Failed to allocate yuv blanking buffer\n"); + yi->blanking_dmaptr = 0; + IVTV_DEBUG_WARN("Failed to allocate yuv blanking buffer\n"); } /* Enable YUV decoder output */ write_reg_sync(0x01, IVTV_REG_VDM); set_bit(IVTV_F_I_DECODING_YUV, &itv->i_flags); - atomic_set(&itv->yuv_info.next_dma_frame,0); + atomic_set(&yi->next_dma_frame, 0); } int ivtv_yuv_prep_frame(struct ivtv *itv, struct ivtv_dma_frame *args) |