Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 1 | /* |
| 2 | yuv support |
| 3 | |
| 4 | Copyright (C) 2007 Ian Armstrong <ian@iarmst.demon.co.uk> |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | |
| 21 | #include "ivtv-driver.h" |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 22 | #include "ivtv-udma.h" |
Hans Verkuil | 83df8e7 | 2007-03-10 06:54:58 -0300 | [diff] [blame] | 23 | #include "ivtv-yuv.h" |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 24 | |
Ian Armstrong | a3e5f5e | 2007-10-20 14:52:55 -0300 | [diff] [blame] | 25 | /* YUV buffer offsets */ |
| 26 | const u32 yuv_offset[IVTV_YUV_BUFFERS] = { |
| 27 | 0x001a8600, |
| 28 | 0x00240400, |
| 29 | 0x002d8200, |
| 30 | 0x00370000, |
| 31 | 0x00029000, |
| 32 | 0x000C0E00, |
| 33 | 0x006B0400, |
| 34 | 0x00748200 |
Hans Verkuil | 612570f | 2007-08-23 05:42:59 -0300 | [diff] [blame] | 35 | }; |
| 36 | |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 37 | static int ivtv_yuv_prep_user_dma(struct ivtv *itv, struct ivtv_user_dma *dma, |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 38 | struct ivtv_dma_frame *args) |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 39 | { |
| 40 | struct ivtv_dma_page_info y_dma; |
| 41 | struct ivtv_dma_page_info uv_dma; |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 42 | struct yuv_playback_info *yi = &itv->yuv_info; |
| 43 | u8 frame = yi->draw_frame; |
| 44 | struct yuv_frame_info *f = &yi->new_frame_info[frame]; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 45 | int i; |
| 46 | int y_pages, uv_pages; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 47 | unsigned long y_buffer_offset, uv_buffer_offset; |
| 48 | int y_decode_height, uv_decode_height, y_size; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 49 | |
Hans Verkuil | 33c0fca | 2007-08-23 06:32:46 -0300 | [diff] [blame] | 50 | y_buffer_offset = IVTV_DECODER_OFFSET + yuv_offset[frame]; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 51 | uv_buffer_offset = y_buffer_offset + IVTV_YUV_BUFFER_UV_OFFSET; |
| 52 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 53 | y_decode_height = uv_decode_height = f->src_h + f->src_y; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 54 | |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 55 | if (f->offset_y) |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 56 | y_buffer_offset += 720 * 16; |
| 57 | |
| 58 | if (y_decode_height & 15) |
| 59 | y_decode_height = (y_decode_height + 16) & ~15; |
| 60 | |
| 61 | if (uv_decode_height & 31) |
| 62 | uv_decode_height = (uv_decode_height + 32) & ~31; |
| 63 | |
| 64 | y_size = 720 * y_decode_height; |
| 65 | |
| 66 | /* Still in USE */ |
| 67 | if (dma->SG_length || dma->page_count) { |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 68 | IVTV_DEBUG_WARN |
| 69 | ("prep_user_dma: SG_length %d page_count %d still full?\n", |
| 70 | dma->SG_length, dma->page_count); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 71 | return -EBUSY; |
| 72 | } |
| 73 | |
| 74 | ivtv_udma_get_page_info (&y_dma, (unsigned long)args->y_source, 720 * y_decode_height); |
| 75 | ivtv_udma_get_page_info (&uv_dma, (unsigned long)args->uv_source, 360 * uv_decode_height); |
| 76 | |
| 77 | /* Get user pages for DMA Xfer */ |
| 78 | down_read(¤t->mm->mmap_sem); |
| 79 | y_pages = get_user_pages(current, current->mm, y_dma.uaddr, y_dma.page_count, 0, 1, &dma->map[0], NULL); |
| 80 | uv_pages = get_user_pages(current, current->mm, uv_dma.uaddr, uv_dma.page_count, 0, 1, &dma->map[y_pages], NULL); |
| 81 | up_read(¤t->mm->mmap_sem); |
| 82 | |
| 83 | dma->page_count = y_dma.page_count + uv_dma.page_count; |
| 84 | |
| 85 | if (y_pages + uv_pages != dma->page_count) { |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 86 | IVTV_DEBUG_WARN |
| 87 | ("failed to map user pages, returned %d instead of %d\n", |
| 88 | y_pages + uv_pages, dma->page_count); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 89 | |
| 90 | for (i = 0; i < dma->page_count; i++) { |
| 91 | put_page(dma->map[i]); |
| 92 | } |
| 93 | dma->page_count = 0; |
| 94 | return -EINVAL; |
| 95 | } |
| 96 | |
| 97 | /* Fill & map SG List */ |
Hans Verkuil | 8beb058 | 2007-08-19 17:56:41 -0300 | [diff] [blame] | 98 | if (ivtv_udma_fill_sg_list (dma, &uv_dma, ivtv_udma_fill_sg_list (dma, &y_dma, 0)) < 0) { |
Hans Verkuil | 0989fd2 | 2007-08-19 12:25:39 -0300 | [diff] [blame] | 99 | IVTV_DEBUG_WARN("could not allocate bounce buffers for highmem userspace buffers\n"); |
| 100 | for (i = 0; i < dma->page_count; i++) { |
| 101 | put_page(dma->map[i]); |
| 102 | } |
| 103 | dma->page_count = 0; |
| 104 | return -ENOMEM; |
| 105 | } |
Hans Verkuil | 8ac05ae | 2009-02-07 07:02:27 -0300 | [diff] [blame] | 106 | dma->SG_length = pci_map_sg(itv->pdev, dma->SGlist, dma->page_count, PCI_DMA_TODEVICE); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 107 | |
| 108 | /* Fill SG Array with new values */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 109 | ivtv_udma_fill_sg_array(dma, y_buffer_offset, uv_buffer_offset, y_size); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 110 | |
| 111 | /* If we've offset the y plane, ensure top area is blanked */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 112 | if (f->offset_y && yi->blanking_dmaptr) { |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 113 | dma->SGarray[dma->SG_length].size = cpu_to_le32(720*16); |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 114 | dma->SGarray[dma->SG_length].src = cpu_to_le32(yi->blanking_dmaptr); |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 115 | dma->SGarray[dma->SG_length].dst = cpu_to_le32(IVTV_DECODER_OFFSET + yuv_offset[frame]); |
| 116 | dma->SG_length++; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 117 | } |
| 118 | |
| 119 | /* Tag SG Array with Interrupt Bit */ |
| 120 | dma->SGarray[dma->SG_length - 1].size |= cpu_to_le32(0x80000000); |
| 121 | |
| 122 | ivtv_udma_sync_for_device(itv); |
| 123 | return 0; |
| 124 | } |
| 125 | |
| 126 | /* We rely on a table held in the firmware - Quick check. */ |
| 127 | int ivtv_yuv_filter_check(struct ivtv *itv) |
| 128 | { |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 129 | int i, y, uv; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 130 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 131 | for (i = 0, y = 16, uv = 4; i < 16; i++, y += 24, uv += 12) { |
| 132 | if ((read_dec(IVTV_YUV_HORIZONTAL_FILTER_OFFSET + y) != i << 16) || |
| 133 | (read_dec(IVTV_YUV_VERTICAL_FILTER_OFFSET + uv) != i << 16)) { |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 134 | IVTV_WARN ("YUV filter table not found in firmware.\n"); |
| 135 | return -1; |
| 136 | } |
| 137 | } |
| 138 | return 0; |
| 139 | } |
| 140 | |
| 141 | static void ivtv_yuv_filter(struct ivtv *itv, int h_filter, int v_filter_1, int v_filter_2) |
| 142 | { |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 143 | u32 i, line; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 144 | |
| 145 | /* If any filter is -1, then don't update it */ |
| 146 | if (h_filter > -1) { |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 147 | if (h_filter > 4) |
| 148 | h_filter = 4; |
| 149 | i = IVTV_YUV_HORIZONTAL_FILTER_OFFSET + (h_filter * 384); |
| 150 | for (line = 0; line < 16; line++) { |
| 151 | write_reg(read_dec(i), 0x02804); |
| 152 | write_reg(read_dec(i), 0x0281c); |
| 153 | i += 4; |
| 154 | write_reg(read_dec(i), 0x02808); |
| 155 | write_reg(read_dec(i), 0x02820); |
| 156 | i += 4; |
| 157 | write_reg(read_dec(i), 0x0280c); |
| 158 | write_reg(read_dec(i), 0x02824); |
| 159 | i += 4; |
| 160 | write_reg(read_dec(i), 0x02810); |
| 161 | write_reg(read_dec(i), 0x02828); |
| 162 | i += 4; |
| 163 | write_reg(read_dec(i), 0x02814); |
| 164 | write_reg(read_dec(i), 0x0282c); |
| 165 | i += 8; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 166 | write_reg(0, 0x02818); |
| 167 | write_reg(0, 0x02830); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 168 | } |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 169 | IVTV_DEBUG_YUV("h_filter -> %d\n", h_filter); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 170 | } |
| 171 | |
| 172 | if (v_filter_1 > -1) { |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 173 | if (v_filter_1 > 4) |
| 174 | v_filter_1 = 4; |
| 175 | i = IVTV_YUV_VERTICAL_FILTER_OFFSET + (v_filter_1 * 192); |
| 176 | for (line = 0; line < 16; line++) { |
| 177 | write_reg(read_dec(i), 0x02900); |
| 178 | i += 4; |
| 179 | write_reg(read_dec(i), 0x02904); |
| 180 | i += 8; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 181 | write_reg(0, 0x02908); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 182 | } |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 183 | IVTV_DEBUG_YUV("v_filter_1 -> %d\n", v_filter_1); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 184 | } |
| 185 | |
| 186 | if (v_filter_2 > -1) { |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 187 | if (v_filter_2 > 4) |
| 188 | v_filter_2 = 4; |
| 189 | i = IVTV_YUV_VERTICAL_FILTER_OFFSET + (v_filter_2 * 192); |
| 190 | for (line = 0; line < 16; line++) { |
| 191 | write_reg(read_dec(i), 0x0290c); |
| 192 | i += 4; |
| 193 | write_reg(read_dec(i), 0x02910); |
| 194 | i += 8; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 195 | write_reg(0, 0x02914); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 196 | } |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 197 | IVTV_DEBUG_YUV("v_filter_2 -> %d\n", v_filter_2); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 198 | } |
| 199 | } |
| 200 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 201 | static void ivtv_yuv_handle_horizontal(struct ivtv *itv, struct yuv_frame_info *f) |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 202 | { |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 203 | struct yuv_playback_info *yi = &itv->yuv_info; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 204 | u32 reg_2834, reg_2838, reg_283c; |
| 205 | u32 reg_2844, reg_2854, reg_285c; |
| 206 | u32 reg_2864, reg_2874, reg_2890; |
| 207 | u32 reg_2870, reg_2870_base, reg_2870_offset; |
| 208 | int x_cutoff; |
| 209 | int h_filter; |
| 210 | u32 master_width; |
| 211 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 212 | IVTV_DEBUG_WARN |
| 213 | ("Adjust to width %d src_w %d dst_w %d src_x %d dst_x %d\n", |
| 214 | f->tru_w, f->src_w, f->dst_w, f->src_x, f->dst_x); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 215 | |
| 216 | /* How wide is the src image */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 217 | x_cutoff = f->src_w + f->src_x; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 218 | |
| 219 | /* Set the display width */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 220 | reg_2834 = f->dst_w; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 221 | reg_2838 = reg_2834; |
| 222 | |
| 223 | /* Set the display position */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 224 | reg_2890 = f->dst_x; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 225 | |
| 226 | /* Index into the image horizontally */ |
| 227 | reg_2870 = 0; |
| 228 | |
| 229 | /* 2870 is normally fudged to align video coords with osd coords. |
| 230 | If running full screen, it causes an unwanted left shift |
| 231 | Remove the fudge if we almost fill the screen. |
| 232 | Gradually adjust the offset to avoid the video 'snapping' |
| 233 | left/right if it gets dragged through this region. |
| 234 | Only do this if osd is full width. */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 235 | if (f->vis_w == 720) { |
| 236 | if ((f->tru_x - f->pan_x > -1) && (f->tru_x - f->pan_x <= 40) && (f->dst_w >= 680)) |
| 237 | reg_2870 = 10 - (f->tru_x - f->pan_x) / 4; |
| 238 | else if ((f->tru_x - f->pan_x < 0) && (f->tru_x - f->pan_x >= -20) && (f->dst_w >= 660)) |
| 239 | reg_2870 = (10 + (f->tru_x - f->pan_x) / 2); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 240 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 241 | if (f->dst_w >= f->src_w) |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 242 | reg_2870 = reg_2870 << 16 | reg_2870; |
| 243 | else |
| 244 | reg_2870 = ((reg_2870 & ~1) << 15) | (reg_2870 & ~1); |
| 245 | } |
| 246 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 247 | if (f->dst_w < f->src_w) |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 248 | reg_2870 = 0x000d000e - reg_2870; |
| 249 | else |
| 250 | reg_2870 = 0x0012000e - reg_2870; |
| 251 | |
| 252 | /* We're also using 2870 to shift the image left (src_x & negative dst_x) */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 253 | reg_2870_offset = (f->src_x * ((f->dst_w << 21) / f->src_w)) >> 19; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 254 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 255 | if (f->dst_w >= f->src_w) { |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 256 | x_cutoff &= ~1; |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 257 | master_width = (f->src_w * 0x00200000) / (f->dst_w); |
| 258 | if (master_width * f->dst_w != f->src_w * 0x00200000) |
| 259 | master_width++; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 260 | reg_2834 = (reg_2834 << 16) | x_cutoff; |
| 261 | reg_2838 = (reg_2838 << 16) | x_cutoff; |
| 262 | reg_283c = master_width >> 2; |
| 263 | reg_2844 = master_width >> 2; |
| 264 | reg_2854 = master_width; |
| 265 | reg_285c = master_width >> 1; |
| 266 | reg_2864 = master_width >> 1; |
| 267 | |
| 268 | /* We also need to factor in the scaling |
| 269 | (src_w - dst_w) / (src_w / 4) */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 270 | if (f->dst_w > f->src_w) |
| 271 | reg_2870_base = ((f->dst_w - f->src_w)<<16) / (f->src_w <<14); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 272 | else |
| 273 | reg_2870_base = 0; |
| 274 | |
| 275 | reg_2870 += (((reg_2870_offset << 14) & 0xFFFF0000) | reg_2870_offset >> 2) + (reg_2870_base << 17 | reg_2870_base); |
| 276 | reg_2874 = 0; |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 277 | } else if (f->dst_w < f->src_w / 2) { |
| 278 | master_width = (f->src_w * 0x00080000) / f->dst_w; |
| 279 | if (master_width * f->dst_w != f->src_w * 0x00080000) |
| 280 | master_width++; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 281 | reg_2834 = (reg_2834 << 16) | x_cutoff; |
| 282 | reg_2838 = (reg_2838 << 16) | x_cutoff; |
| 283 | reg_283c = master_width >> 2; |
| 284 | reg_2844 = master_width >> 1; |
| 285 | reg_2854 = master_width; |
| 286 | reg_285c = master_width >> 1; |
| 287 | reg_2864 = master_width >> 1; |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 288 | reg_2870 += ((reg_2870_offset << 15) & 0xFFFF0000) | reg_2870_offset; |
| 289 | reg_2870 += (5 - (((f->src_w + f->src_w / 2) - 1) / f->dst_w)) << 16; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 290 | reg_2874 = 0x00000012; |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 291 | } else { |
| 292 | master_width = (f->src_w * 0x00100000) / f->dst_w; |
| 293 | if (master_width * f->dst_w != f->src_w * 0x00100000) |
| 294 | master_width++; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 295 | reg_2834 = (reg_2834 << 16) | x_cutoff; |
| 296 | reg_2838 = (reg_2838 << 16) | x_cutoff; |
| 297 | reg_283c = master_width >> 2; |
| 298 | reg_2844 = master_width >> 1; |
| 299 | reg_2854 = master_width; |
| 300 | reg_285c = master_width >> 1; |
| 301 | reg_2864 = master_width >> 1; |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 302 | reg_2870 += ((reg_2870_offset << 14) & 0xFFFF0000) | reg_2870_offset >> 1; |
| 303 | reg_2870 += (5 - (((f->src_w * 3) - 1) / f->dst_w)) << 16; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 304 | reg_2874 = 0x00000001; |
| 305 | } |
| 306 | |
| 307 | /* Select the horizontal filter */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 308 | if (f->src_w == f->dst_w) { |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 309 | /* An exact size match uses filter 0 */ |
| 310 | h_filter = 0; |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 311 | } else { |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 312 | /* Figure out which filter to use */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 313 | h_filter = ((f->src_w << 16) / f->dst_w) >> 15; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 314 | h_filter = (h_filter >> 1) + (h_filter & 1); |
| 315 | /* Only an exact size match can use filter 0 */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 316 | h_filter += !h_filter; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 317 | } |
| 318 | |
| 319 | write_reg(reg_2834, 0x02834); |
| 320 | write_reg(reg_2838, 0x02838); |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 321 | IVTV_DEBUG_YUV("Update reg 0x2834 %08x->%08x 0x2838 %08x->%08x\n", |
| 322 | yi->reg_2834, reg_2834, yi->reg_2838, reg_2838); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 323 | |
| 324 | write_reg(reg_283c, 0x0283c); |
| 325 | write_reg(reg_2844, 0x02844); |
| 326 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 327 | IVTV_DEBUG_YUV("Update reg 0x283c %08x->%08x 0x2844 %08x->%08x\n", |
| 328 | yi->reg_283c, reg_283c, yi->reg_2844, reg_2844); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 329 | |
| 330 | write_reg(0x00080514, 0x02840); |
| 331 | write_reg(0x00100514, 0x02848); |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 332 | IVTV_DEBUG_YUV("Update reg 0x2840 %08x->%08x 0x2848 %08x->%08x\n", |
| 333 | yi->reg_2840, 0x00080514, yi->reg_2848, 0x00100514); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 334 | |
| 335 | write_reg(reg_2854, 0x02854); |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 336 | IVTV_DEBUG_YUV("Update reg 0x2854 %08x->%08x \n", |
| 337 | yi->reg_2854, reg_2854); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 338 | |
| 339 | write_reg(reg_285c, 0x0285c); |
| 340 | write_reg(reg_2864, 0x02864); |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 341 | IVTV_DEBUG_YUV("Update reg 0x285c %08x->%08x 0x2864 %08x->%08x\n", |
| 342 | yi->reg_285c, reg_285c, yi->reg_2864, reg_2864); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 343 | |
| 344 | write_reg(reg_2874, 0x02874); |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 345 | IVTV_DEBUG_YUV("Update reg 0x2874 %08x->%08x\n", |
| 346 | yi->reg_2874, reg_2874); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 347 | |
| 348 | write_reg(reg_2870, 0x02870); |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 349 | IVTV_DEBUG_YUV("Update reg 0x2870 %08x->%08x\n", |
| 350 | yi->reg_2870, reg_2870); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 351 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 352 | write_reg(reg_2890, 0x02890); |
| 353 | IVTV_DEBUG_YUV("Update reg 0x2890 %08x->%08x\n", |
| 354 | yi->reg_2890, reg_2890); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 355 | |
| 356 | /* Only update the filter if we really need to */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 357 | if (h_filter != yi->h_filter) { |
| 358 | ivtv_yuv_filter(itv, h_filter, -1, -1); |
| 359 | yi->h_filter = h_filter; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 360 | } |
| 361 | } |
| 362 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 363 | static void ivtv_yuv_handle_vertical(struct ivtv *itv, struct yuv_frame_info *f) |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 364 | { |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 365 | struct yuv_playback_info *yi = &itv->yuv_info; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 366 | u32 master_height; |
| 367 | u32 reg_2918, reg_291c, reg_2920, reg_2928; |
| 368 | u32 reg_2930, reg_2934, reg_293c; |
| 369 | u32 reg_2940, reg_2944, reg_294c; |
| 370 | u32 reg_2950, reg_2954, reg_2958, reg_295c; |
| 371 | u32 reg_2960, reg_2964, reg_2968, reg_296c; |
| 372 | u32 reg_289c; |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 373 | u32 src_major_y, src_minor_y; |
| 374 | u32 src_major_uv, src_minor_uv; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 375 | u32 reg_2964_base, reg_2968_base; |
| 376 | int v_filter_1, v_filter_2; |
| 377 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 378 | IVTV_DEBUG_WARN |
| 379 | ("Adjust to height %d src_h %d dst_h %d src_y %d dst_y %d\n", |
| 380 | f->tru_h, f->src_h, f->dst_h, f->src_y, f->dst_y); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 381 | |
| 382 | /* What scaling mode is being used... */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 383 | IVTV_DEBUG_YUV("Scaling mode Y: %s\n", |
| 384 | f->interlaced_y ? "Interlaced" : "Progressive"); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 385 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 386 | IVTV_DEBUG_YUV("Scaling mode UV: %s\n", |
| 387 | f->interlaced_uv ? "Interlaced" : "Progressive"); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 388 | |
| 389 | /* What is the source video being treated as... */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 390 | IVTV_DEBUG_WARN("Source video: %s\n", |
| 391 | f->interlaced ? "Interlaced" : "Progressive"); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 392 | |
| 393 | /* We offset into the image using two different index methods, so split |
| 394 | the y source coord into two parts. */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 395 | if (f->src_y < 8) { |
| 396 | src_minor_uv = f->src_y; |
| 397 | src_major_uv = 0; |
| 398 | } else { |
| 399 | src_minor_uv = 8; |
| 400 | src_major_uv = f->src_y - 8; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 401 | } |
| 402 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 403 | src_minor_y = src_minor_uv; |
| 404 | src_major_y = src_major_uv; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 405 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 406 | if (f->offset_y) |
| 407 | src_minor_y += 16; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 408 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 409 | if (f->interlaced_y) |
| 410 | reg_2918 = (f->dst_h << 16) | (f->src_h + src_minor_y); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 411 | else |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 412 | reg_2918 = (f->dst_h << 16) | ((f->src_h + src_minor_y) << 1); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 413 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 414 | if (f->interlaced_uv) |
| 415 | reg_291c = (f->dst_h << 16) | ((f->src_h + src_minor_uv) >> 1); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 416 | else |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 417 | reg_291c = (f->dst_h << 16) | (f->src_h + src_minor_uv); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 418 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 419 | reg_2964_base = (src_minor_y * ((f->dst_h << 16) / f->src_h)) >> 14; |
| 420 | reg_2968_base = (src_minor_uv * ((f->dst_h << 16) / f->src_h)) >> 14; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 421 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 422 | if (f->dst_h / 2 >= f->src_h && !f->interlaced_y) { |
| 423 | master_height = (f->src_h * 0x00400000) / f->dst_h; |
| 424 | if ((f->src_h * 0x00400000) - (master_height * f->dst_h) >= f->dst_h / 2) |
| 425 | master_height++; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 426 | reg_2920 = master_height >> 2; |
| 427 | reg_2928 = master_height >> 3; |
| 428 | reg_2930 = master_height; |
| 429 | reg_2940 = master_height >> 1; |
| 430 | reg_2964_base >>= 3; |
| 431 | reg_2968_base >>= 3; |
| 432 | reg_296c = 0x00000000; |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 433 | } else if (f->dst_h >= f->src_h) { |
| 434 | master_height = (f->src_h * 0x00400000) / f->dst_h; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 435 | master_height = (master_height >> 1) + (master_height & 1); |
| 436 | reg_2920 = master_height >> 2; |
| 437 | reg_2928 = master_height >> 2; |
| 438 | reg_2930 = master_height; |
| 439 | reg_2940 = master_height >> 1; |
| 440 | reg_296c = 0x00000000; |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 441 | if (f->interlaced_y) { |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 442 | reg_2964_base >>= 3; |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 443 | } else { |
| 444 | reg_296c++; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 445 | reg_2964_base >>= 2; |
| 446 | } |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 447 | if (f->interlaced_uv) |
| 448 | reg_2928 >>= 1; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 449 | reg_2968_base >>= 3; |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 450 | } else if (f->dst_h >= f->src_h / 2) { |
| 451 | master_height = (f->src_h * 0x00200000) / f->dst_h; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 452 | master_height = (master_height >> 1) + (master_height & 1); |
| 453 | reg_2920 = master_height >> 2; |
| 454 | reg_2928 = master_height >> 2; |
| 455 | reg_2930 = master_height; |
| 456 | reg_2940 = master_height; |
| 457 | reg_296c = 0x00000101; |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 458 | if (f->interlaced_y) { |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 459 | reg_2964_base >>= 2; |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 460 | } else { |
| 461 | reg_296c++; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 462 | reg_2964_base >>= 1; |
| 463 | } |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 464 | if (f->interlaced_uv) |
| 465 | reg_2928 >>= 1; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 466 | reg_2968_base >>= 2; |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 467 | } else { |
| 468 | master_height = (f->src_h * 0x00100000) / f->dst_h; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 469 | master_height = (master_height >> 1) + (master_height & 1); |
| 470 | reg_2920 = master_height >> 2; |
| 471 | reg_2928 = master_height >> 2; |
| 472 | reg_2930 = master_height; |
| 473 | reg_2940 = master_height; |
| 474 | reg_2964_base >>= 1; |
| 475 | reg_2968_base >>= 2; |
| 476 | reg_296c = 0x00000102; |
| 477 | } |
| 478 | |
| 479 | /* FIXME These registers change depending on scaled / unscaled output |
| 480 | We really need to work out what they should be */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 481 | if (f->src_h == f->dst_h) { |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 482 | reg_2934 = 0x00020000; |
| 483 | reg_293c = 0x00100000; |
| 484 | reg_2944 = 0x00040000; |
| 485 | reg_294c = 0x000b0000; |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 486 | } else { |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 487 | reg_2934 = 0x00000FF0; |
| 488 | reg_293c = 0x00000FF0; |
| 489 | reg_2944 = 0x00000FF0; |
| 490 | reg_294c = 0x00000FF0; |
| 491 | } |
| 492 | |
| 493 | /* The first line to be displayed */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 494 | reg_2950 = 0x00010000 + src_major_y; |
| 495 | if (f->interlaced_y) |
| 496 | reg_2950 += 0x00010000; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 497 | reg_2954 = reg_2950 + 1; |
| 498 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 499 | reg_2958 = 0x00010000 + (src_major_y >> 1); |
| 500 | if (f->interlaced_uv) |
| 501 | reg_2958 += 0x00010000; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 502 | reg_295c = reg_2958 + 1; |
| 503 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 504 | if (yi->decode_height == 480) |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 505 | reg_289c = 0x011e0017; |
| 506 | else |
| 507 | reg_289c = 0x01500017; |
| 508 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 509 | if (f->dst_y < 0) |
| 510 | reg_289c = (reg_289c - ((f->dst_y & ~1)<<15))-(f->dst_y >>1); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 511 | else |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 512 | reg_289c = (reg_289c + ((f->dst_y & ~1)<<15))+(f->dst_y >>1); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 513 | |
| 514 | /* How much of the source to decode. |
| 515 | Take into account the source offset */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 516 | reg_2960 = ((src_minor_y + f->src_h + src_major_y) - 1) | |
| 517 | (((src_minor_uv + f->src_h + src_major_uv - 1) & ~1) << 15); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 518 | |
| 519 | /* Calculate correct value for register 2964 */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 520 | if (f->src_h == f->dst_h) { |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 521 | reg_2964 = 1; |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 522 | } else { |
| 523 | reg_2964 = 2 + ((f->dst_h << 1) / f->src_h); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 524 | reg_2964 = (reg_2964 >> 1) + (reg_2964 & 1); |
| 525 | } |
| 526 | reg_2968 = (reg_2964 << 16) + reg_2964 + (reg_2964 >> 1); |
| 527 | reg_2964 = (reg_2964 << 16) + reg_2964 + (reg_2964 * 46 / 94); |
| 528 | |
| 529 | /* Okay, we've wasted time working out the correct value, |
| 530 | but if we use it, it fouls the the window alignment. |
| 531 | Fudge it to what we want... */ |
| 532 | reg_2964 = 0x00010001 + ((reg_2964 & 0x0000FFFF) - (reg_2964 >> 16)); |
| 533 | reg_2968 = 0x00010001 + ((reg_2968 & 0x0000FFFF) - (reg_2968 >> 16)); |
| 534 | |
| 535 | /* Deviate further from what it should be. I find the flicker headache |
| 536 | inducing so try to reduce it slightly. Leave 2968 as-is otherwise |
| 537 | colours foul. */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 538 | if ((reg_2964 != 0x00010001) && (f->dst_h / 2 <= f->src_h)) |
| 539 | reg_2964 = (reg_2964 & 0xFFFF0000) + ((reg_2964 & 0x0000FFFF) / 2); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 540 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 541 | if (!f->interlaced_y) |
| 542 | reg_2964 -= 0x00010001; |
| 543 | if (!f->interlaced_uv) |
| 544 | reg_2968 -= 0x00010001; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 545 | |
| 546 | reg_2964 += ((reg_2964_base << 16) | reg_2964_base); |
| 547 | reg_2968 += ((reg_2968_base << 16) | reg_2968_base); |
| 548 | |
| 549 | /* Select the vertical filter */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 550 | if (f->src_h == f->dst_h) { |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 551 | /* An exact size match uses filter 0/1 */ |
| 552 | v_filter_1 = 0; |
| 553 | v_filter_2 = 1; |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 554 | } else { |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 555 | /* Figure out which filter to use */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 556 | v_filter_1 = ((f->src_h << 16) / f->dst_h) >> 15; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 557 | v_filter_1 = (v_filter_1 >> 1) + (v_filter_1 & 1); |
| 558 | /* Only an exact size match can use filter 0 */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 559 | v_filter_1 += !v_filter_1; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 560 | v_filter_2 = v_filter_1; |
| 561 | } |
| 562 | |
| 563 | write_reg(reg_2934, 0x02934); |
| 564 | write_reg(reg_293c, 0x0293c); |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 565 | IVTV_DEBUG_YUV("Update reg 0x2934 %08x->%08x 0x293c %08x->%08x\n", |
| 566 | yi->reg_2934, reg_2934, yi->reg_293c, reg_293c); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 567 | write_reg(reg_2944, 0x02944); |
| 568 | write_reg(reg_294c, 0x0294c); |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 569 | IVTV_DEBUG_YUV("Update reg 0x2944 %08x->%08x 0x294c %08x->%08x\n", |
| 570 | yi->reg_2944, reg_2944, yi->reg_294c, reg_294c); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 571 | |
| 572 | /* Ensure 2970 is 0 (does it ever change ?) */ |
| 573 | /* write_reg(0,0x02970); */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 574 | /* IVTV_DEBUG_YUV("Update reg 0x2970 %08x->%08x\n", yi->reg_2970, 0); */ |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 575 | |
| 576 | write_reg(reg_2930, 0x02938); |
| 577 | write_reg(reg_2930, 0x02930); |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 578 | IVTV_DEBUG_YUV("Update reg 0x2930 %08x->%08x 0x2938 %08x->%08x\n", |
| 579 | yi->reg_2930, reg_2930, yi->reg_2938, reg_2930); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 580 | |
| 581 | write_reg(reg_2928, 0x02928); |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 582 | write_reg(reg_2928 + 0x514, 0x0292C); |
| 583 | IVTV_DEBUG_YUV("Update reg 0x2928 %08x->%08x 0x292c %08x->%08x\n", |
| 584 | yi->reg_2928, reg_2928, yi->reg_292c, reg_2928 + 0x514); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 585 | |
| 586 | write_reg(reg_2920, 0x02920); |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 587 | write_reg(reg_2920 + 0x514, 0x02924); |
| 588 | IVTV_DEBUG_YUV("Update reg 0x2920 %08x->%08x 0x2924 %08x->%08x\n", |
| 589 | yi->reg_2920, reg_2920, yi->reg_2924, reg_2920 + 0x514); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 590 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 591 | write_reg(reg_2918, 0x02918); |
| 592 | write_reg(reg_291c, 0x0291C); |
| 593 | IVTV_DEBUG_YUV("Update reg 0x2918 %08x->%08x 0x291C %08x->%08x\n", |
| 594 | yi->reg_2918, reg_2918, yi->reg_291c, reg_291c); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 595 | |
| 596 | write_reg(reg_296c, 0x0296c); |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 597 | IVTV_DEBUG_YUV("Update reg 0x296c %08x->%08x\n", |
| 598 | yi->reg_296c, reg_296c); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 599 | |
| 600 | write_reg(reg_2940, 0x02948); |
| 601 | write_reg(reg_2940, 0x02940); |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 602 | IVTV_DEBUG_YUV("Update reg 0x2940 %08x->%08x 0x2948 %08x->%08x\n", |
| 603 | yi->reg_2940, reg_2940, yi->reg_2948, reg_2940); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 604 | |
| 605 | write_reg(reg_2950, 0x02950); |
| 606 | write_reg(reg_2954, 0x02954); |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 607 | IVTV_DEBUG_YUV("Update reg 0x2950 %08x->%08x 0x2954 %08x->%08x\n", |
| 608 | yi->reg_2950, reg_2950, yi->reg_2954, reg_2954); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 609 | |
| 610 | write_reg(reg_2958, 0x02958); |
| 611 | write_reg(reg_295c, 0x0295C); |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 612 | IVTV_DEBUG_YUV("Update reg 0x2958 %08x->%08x 0x295C %08x->%08x\n", |
| 613 | yi->reg_2958, reg_2958, yi->reg_295c, reg_295c); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 614 | |
| 615 | write_reg(reg_2960, 0x02960); |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 616 | IVTV_DEBUG_YUV("Update reg 0x2960 %08x->%08x \n", |
| 617 | yi->reg_2960, reg_2960); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 618 | |
| 619 | write_reg(reg_2964, 0x02964); |
| 620 | write_reg(reg_2968, 0x02968); |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 621 | IVTV_DEBUG_YUV("Update reg 0x2964 %08x->%08x 0x2968 %08x->%08x\n", |
| 622 | yi->reg_2964, reg_2964, yi->reg_2968, reg_2968); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 623 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 624 | write_reg(reg_289c, 0x0289c); |
| 625 | IVTV_DEBUG_YUV("Update reg 0x289c %08x->%08x\n", |
| 626 | yi->reg_289c, reg_289c); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 627 | |
| 628 | /* Only update filter 1 if we really need to */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 629 | if (v_filter_1 != yi->v_filter_1) { |
| 630 | ivtv_yuv_filter(itv, -1, v_filter_1, -1); |
| 631 | yi->v_filter_1 = v_filter_1; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 632 | } |
| 633 | |
| 634 | /* Only update filter 2 if we really need to */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 635 | if (v_filter_2 != yi->v_filter_2) { |
| 636 | ivtv_yuv_filter(itv, -1, -1, v_filter_2); |
| 637 | yi->v_filter_2 = v_filter_2; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 638 | } |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 639 | } |
| 640 | |
| 641 | /* Modify the supplied coordinate information to fit the visible osd area */ |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 642 | static u32 ivtv_yuv_window_setup(struct ivtv *itv, struct yuv_frame_info *f) |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 643 | { |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 644 | struct yuv_frame_info *of = &itv->yuv_info.old_frame_info; |
| 645 | int osd_crop; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 646 | u32 osd_scale; |
| 647 | u32 yuv_update = 0; |
| 648 | |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 649 | /* Sorry, but no negative coords for src */ |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 650 | if (f->src_x < 0) |
| 651 | f->src_x = 0; |
| 652 | if (f->src_y < 0) |
| 653 | f->src_y = 0; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 654 | |
| 655 | /* Can only reduce width down to 1/4 original size */ |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 656 | if ((osd_crop = f->src_w - 4 * f->dst_w) > 0) { |
| 657 | f->src_x += osd_crop / 2; |
| 658 | f->src_w = (f->src_w - osd_crop) & ~3; |
| 659 | f->dst_w = f->src_w / 4; |
| 660 | f->dst_w += f->dst_w & 1; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 661 | } |
| 662 | |
| 663 | /* Can only reduce height down to 1/4 original size */ |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 664 | if (f->src_h / f->dst_h >= 2) { |
| 665 | /* Overflow may be because we're running progressive, |
| 666 | so force mode switch */ |
| 667 | f->interlaced_y = 1; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 668 | /* Make sure we're still within limits for interlace */ |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 669 | if ((osd_crop = f->src_h - 4 * f->dst_h) > 0) { |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 670 | /* If we reach here we'll have to force the height. */ |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 671 | f->src_y += osd_crop / 2; |
| 672 | f->src_h = (f->src_h - osd_crop) & ~3; |
| 673 | f->dst_h = f->src_h / 4; |
| 674 | f->dst_h += f->dst_h & 1; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 675 | } |
| 676 | } |
| 677 | |
| 678 | /* If there's nothing to safe to display, we may as well stop now */ |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 679 | if ((int)f->dst_w <= 2 || (int)f->dst_h <= 2 || |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 680 | (int)f->src_w <= 2 || (int)f->src_h <= 2) { |
Ian Armstrong | 0bfeb04 | 2007-10-14 13:08:02 -0300 | [diff] [blame] | 681 | return IVTV_YUV_UPDATE_INVALID; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 682 | } |
| 683 | |
| 684 | /* Ensure video remains inside OSD area */ |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 685 | osd_scale = (f->src_h << 16) / f->dst_h; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 686 | |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 687 | if ((osd_crop = f->pan_y - f->dst_y) > 0) { |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 688 | /* Falls off the upper edge - crop */ |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 689 | f->src_y += (osd_scale * osd_crop) >> 16; |
| 690 | f->src_h -= (osd_scale * osd_crop) >> 16; |
| 691 | f->dst_h -= osd_crop; |
| 692 | f->dst_y = 0; |
| 693 | } else { |
| 694 | f->dst_y -= f->pan_y; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 695 | } |
| 696 | |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 697 | if ((osd_crop = f->dst_h + f->dst_y - f->vis_h) > 0) { |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 698 | /* Falls off the lower edge - crop */ |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 699 | f->dst_h -= osd_crop; |
| 700 | f->src_h -= (osd_scale * osd_crop) >> 16; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 701 | } |
| 702 | |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 703 | osd_scale = (f->src_w << 16) / f->dst_w; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 704 | |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 705 | if ((osd_crop = f->pan_x - f->dst_x) > 0) { |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 706 | /* Fall off the left edge - crop */ |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 707 | f->src_x += (osd_scale * osd_crop) >> 16; |
| 708 | f->src_w -= (osd_scale * osd_crop) >> 16; |
| 709 | f->dst_w -= osd_crop; |
| 710 | f->dst_x = 0; |
| 711 | } else { |
| 712 | f->dst_x -= f->pan_x; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 713 | } |
| 714 | |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 715 | if ((osd_crop = f->dst_w + f->dst_x - f->vis_w) > 0) { |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 716 | /* Falls off the right edge - crop */ |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 717 | f->dst_w -= osd_crop; |
| 718 | f->src_w -= (osd_scale * osd_crop) >> 16; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 719 | } |
| 720 | |
Ian Armstrong | 88ab075 | 2008-04-22 14:42:14 -0300 | [diff] [blame] | 721 | if (itv->yuv_info.track_osd) { |
| 722 | /* The OSD can be moved. Track to it */ |
| 723 | f->dst_x += itv->yuv_info.osd_x_offset; |
| 724 | f->dst_y += itv->yuv_info.osd_y_offset; |
| 725 | } |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 726 | |
| 727 | /* Width & height for both src & dst must be even. |
| 728 | Same for coordinates. */ |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 729 | f->dst_w &= ~1; |
| 730 | f->dst_x &= ~1; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 731 | |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 732 | f->src_w += f->src_x & 1; |
| 733 | f->src_x &= ~1; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 734 | |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 735 | f->src_w &= ~1; |
| 736 | f->dst_w &= ~1; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 737 | |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 738 | f->dst_h &= ~1; |
| 739 | f->dst_y &= ~1; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 740 | |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 741 | f->src_h += f->src_y & 1; |
| 742 | f->src_y &= ~1; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 743 | |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 744 | f->src_h &= ~1; |
| 745 | f->dst_h &= ~1; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 746 | |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 747 | /* Due to rounding, we may have reduced the output size to <1/4 of |
| 748 | the source. Check again, but this time just resize. Don't change |
| 749 | source coordinates */ |
| 750 | if (f->dst_w < f->src_w / 4) { |
| 751 | f->src_w &= ~3; |
| 752 | f->dst_w = f->src_w / 4; |
| 753 | f->dst_w += f->dst_w & 1; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 754 | } |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 755 | if (f->dst_h < f->src_h / 4) { |
| 756 | f->src_h &= ~3; |
| 757 | f->dst_h = f->src_h / 4; |
| 758 | f->dst_h += f->dst_h & 1; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 759 | } |
| 760 | |
| 761 | /* Check again. If there's nothing to safe to display, stop now */ |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 762 | if ((int)f->dst_w <= 2 || (int)f->dst_h <= 2 || |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 763 | (int)f->src_w <= 2 || (int)f->src_h <= 2) { |
Ian Armstrong | 0bfeb04 | 2007-10-14 13:08:02 -0300 | [diff] [blame] | 764 | return IVTV_YUV_UPDATE_INVALID; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 765 | } |
| 766 | |
| 767 | /* Both x offset & width are linked, so they have to be done together */ |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 768 | if ((of->dst_w != f->dst_w) || (of->src_w != f->src_w) || |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 769 | (of->dst_x != f->dst_x) || (of->src_x != f->src_x) || |
| 770 | (of->pan_x != f->pan_x) || (of->vis_w != f->vis_w)) { |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 771 | yuv_update |= IVTV_YUV_UPDATE_HORIZONTAL; |
| 772 | } |
| 773 | |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 774 | if ((of->src_h != f->src_h) || (of->dst_h != f->dst_h) || |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 775 | (of->dst_y != f->dst_y) || (of->src_y != f->src_y) || |
| 776 | (of->pan_y != f->pan_y) || (of->vis_h != f->vis_h) || |
| 777 | (of->lace_mode != f->lace_mode) || |
| 778 | (of->interlaced_y != f->interlaced_y) || |
| 779 | (of->interlaced_uv != f->interlaced_uv)) { |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 780 | yuv_update |= IVTV_YUV_UPDATE_VERTICAL; |
| 781 | } |
| 782 | |
| 783 | return yuv_update; |
| 784 | } |
| 785 | |
| 786 | /* Update the scaling register to the requested value */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 787 | void ivtv_yuv_work_handler(struct ivtv *itv) |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 788 | { |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 789 | struct yuv_playback_info *yi = &itv->yuv_info; |
| 790 | struct yuv_frame_info f; |
| 791 | int frame = yi->update_frame; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 792 | u32 yuv_update; |
| 793 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 794 | IVTV_DEBUG_YUV("Update yuv registers for frame %d\n", frame); |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 795 | f = yi->new_frame_info[frame]; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 796 | |
Ian Armstrong | 88ab075 | 2008-04-22 14:42:14 -0300 | [diff] [blame] | 797 | if (yi->track_osd) { |
| 798 | /* Snapshot the osd pan info */ |
| 799 | f.pan_x = yi->osd_x_pan; |
| 800 | f.pan_y = yi->osd_y_pan; |
| 801 | f.vis_w = yi->osd_vis_w; |
| 802 | f.vis_h = yi->osd_vis_h; |
| 803 | } else { |
| 804 | /* Not tracking the osd, so assume full screen */ |
| 805 | f.pan_x = 0; |
| 806 | f.pan_y = 0; |
| 807 | f.vis_w = 720; |
| 808 | f.vis_h = yi->decode_height; |
| 809 | } |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 810 | |
| 811 | /* Calculate the display window coordinates. Exit if nothing left */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 812 | if (!(yuv_update = ivtv_yuv_window_setup(itv, &f))) |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 813 | return; |
| 814 | |
Ian Armstrong | 0bfeb04 | 2007-10-14 13:08:02 -0300 | [diff] [blame] | 815 | if (yuv_update & IVTV_YUV_UPDATE_INVALID) { |
| 816 | write_reg(0x01008080, 0x2898); |
| 817 | } else if (yuv_update) { |
| 818 | write_reg(0x00108080, 0x2898); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 819 | |
Ian Armstrong | 0bfeb04 | 2007-10-14 13:08:02 -0300 | [diff] [blame] | 820 | if (yuv_update & IVTV_YUV_UPDATE_HORIZONTAL) |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 821 | ivtv_yuv_handle_horizontal(itv, &f); |
Ian Armstrong | 0bfeb04 | 2007-10-14 13:08:02 -0300 | [diff] [blame] | 822 | |
| 823 | if (yuv_update & IVTV_YUV_UPDATE_VERTICAL) |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 824 | ivtv_yuv_handle_vertical(itv, &f); |
Ian Armstrong | 0bfeb04 | 2007-10-14 13:08:02 -0300 | [diff] [blame] | 825 | } |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 826 | yi->old_frame_info = f; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 827 | } |
| 828 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 829 | static void ivtv_yuv_init(struct ivtv *itv) |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 830 | { |
Ian Armstrong | 195b125 | 2007-10-14 13:12:28 -0300 | [diff] [blame] | 831 | struct yuv_playback_info *yi = &itv->yuv_info; |
| 832 | |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 833 | IVTV_DEBUG_YUV("ivtv_yuv_init\n"); |
| 834 | |
| 835 | /* Take a snapshot of the current register settings */ |
Ian Armstrong | 195b125 | 2007-10-14 13:12:28 -0300 | [diff] [blame] | 836 | yi->reg_2834 = read_reg(0x02834); |
| 837 | yi->reg_2838 = read_reg(0x02838); |
| 838 | yi->reg_283c = read_reg(0x0283c); |
| 839 | yi->reg_2840 = read_reg(0x02840); |
| 840 | yi->reg_2844 = read_reg(0x02844); |
| 841 | yi->reg_2848 = read_reg(0x02848); |
| 842 | yi->reg_2854 = read_reg(0x02854); |
| 843 | yi->reg_285c = read_reg(0x0285c); |
| 844 | yi->reg_2864 = read_reg(0x02864); |
| 845 | yi->reg_2870 = read_reg(0x02870); |
| 846 | yi->reg_2874 = read_reg(0x02874); |
| 847 | yi->reg_2898 = read_reg(0x02898); |
| 848 | yi->reg_2890 = read_reg(0x02890); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 849 | |
Ian Armstrong | 195b125 | 2007-10-14 13:12:28 -0300 | [diff] [blame] | 850 | yi->reg_289c = read_reg(0x0289c); |
| 851 | yi->reg_2918 = read_reg(0x02918); |
| 852 | yi->reg_291c = read_reg(0x0291c); |
| 853 | yi->reg_2920 = read_reg(0x02920); |
| 854 | yi->reg_2924 = read_reg(0x02924); |
| 855 | yi->reg_2928 = read_reg(0x02928); |
| 856 | yi->reg_292c = read_reg(0x0292c); |
| 857 | yi->reg_2930 = read_reg(0x02930); |
| 858 | yi->reg_2934 = read_reg(0x02934); |
| 859 | yi->reg_2938 = read_reg(0x02938); |
| 860 | yi->reg_293c = read_reg(0x0293c); |
| 861 | yi->reg_2940 = read_reg(0x02940); |
| 862 | yi->reg_2944 = read_reg(0x02944); |
| 863 | yi->reg_2948 = read_reg(0x02948); |
| 864 | yi->reg_294c = read_reg(0x0294c); |
| 865 | yi->reg_2950 = read_reg(0x02950); |
| 866 | yi->reg_2954 = read_reg(0x02954); |
| 867 | yi->reg_2958 = read_reg(0x02958); |
| 868 | yi->reg_295c = read_reg(0x0295c); |
| 869 | yi->reg_2960 = read_reg(0x02960); |
| 870 | yi->reg_2964 = read_reg(0x02964); |
| 871 | yi->reg_2968 = read_reg(0x02968); |
| 872 | yi->reg_296c = read_reg(0x0296c); |
| 873 | yi->reg_2970 = read_reg(0x02970); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 874 | |
Ian Armstrong | 195b125 | 2007-10-14 13:12:28 -0300 | [diff] [blame] | 875 | yi->v_filter_1 = -1; |
| 876 | yi->v_filter_2 = -1; |
| 877 | yi->h_filter = -1; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 878 | |
| 879 | /* Set some valid size info */ |
Ian Armstrong | 195b125 | 2007-10-14 13:12:28 -0300 | [diff] [blame] | 880 | yi->osd_x_offset = read_reg(0x02a04) & 0x00000FFF; |
| 881 | yi->osd_y_offset = (read_reg(0x02a04) >> 16) & 0x00000FFF; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 882 | |
| 883 | /* Bit 2 of reg 2878 indicates current decoder output format |
| 884 | 0 : NTSC 1 : PAL */ |
| 885 | if (read_reg(0x2878) & 4) |
Ian Armstrong | 195b125 | 2007-10-14 13:12:28 -0300 | [diff] [blame] | 886 | yi->decode_height = 576; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 887 | else |
Ian Armstrong | 195b125 | 2007-10-14 13:12:28 -0300 | [diff] [blame] | 888 | yi->decode_height = 480; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 889 | |
Ian Armstrong | 195b125 | 2007-10-14 13:12:28 -0300 | [diff] [blame] | 890 | if (!itv->osd_info) { |
| 891 | yi->osd_vis_w = 720 - yi->osd_x_offset; |
| 892 | yi->osd_vis_h = yi->decode_height - yi->osd_y_offset; |
Ian Armstrong | b4b38bd | 2007-08-03 09:44:13 -0300 | [diff] [blame] | 893 | } else { |
Ian Armstrong | 195b125 | 2007-10-14 13:12:28 -0300 | [diff] [blame] | 894 | /* If no visible size set, assume full size */ |
| 895 | if (!yi->osd_vis_w) |
| 896 | yi->osd_vis_w = 720 - yi->osd_x_offset; |
| 897 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 898 | if (!yi->osd_vis_h) { |
Ian Armstrong | 195b125 | 2007-10-14 13:12:28 -0300 | [diff] [blame] | 899 | yi->osd_vis_h = yi->decode_height - yi->osd_y_offset; |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 900 | } else if (yi->osd_vis_h + yi->osd_y_offset > yi->decode_height) { |
Ian Armstrong | 195b125 | 2007-10-14 13:12:28 -0300 | [diff] [blame] | 901 | /* If output video standard has changed, requested height may |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 902 | not be legal */ |
| 903 | IVTV_DEBUG_WARN("Clipping yuv output - fb size (%d) exceeds video standard limit (%d)\n", |
| 904 | yi->osd_vis_h + yi->osd_y_offset, |
| 905 | yi->decode_height); |
| 906 | yi->osd_vis_h = yi->decode_height - yi->osd_y_offset; |
Ian Armstrong | b4b38bd | 2007-08-03 09:44:13 -0300 | [diff] [blame] | 907 | } |
| 908 | } |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 909 | |
| 910 | /* We need a buffer for blanking when Y plane is offset - non-fatal if we can't get one */ |
Hans Verkuil | 3f98387 | 2008-05-01 10:31:12 -0300 | [diff] [blame] | 911 | yi->blanking_ptr = kzalloc(720 * 16, GFP_KERNEL|__GFP_NOWARN); |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 912 | if (yi->blanking_ptr) { |
Hans Verkuil | 8ac05ae | 2009-02-07 07:02:27 -0300 | [diff] [blame] | 913 | yi->blanking_dmaptr = pci_map_single(itv->pdev, yi->blanking_ptr, 720*16, PCI_DMA_TODEVICE); |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 914 | } else { |
Ian Armstrong | 195b125 | 2007-10-14 13:12:28 -0300 | [diff] [blame] | 915 | yi->blanking_dmaptr = 0; |
| 916 | IVTV_DEBUG_WARN("Failed to allocate yuv blanking buffer\n"); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 917 | } |
| 918 | |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 919 | /* Enable YUV decoder output */ |
| 920 | write_reg_sync(0x01, IVTV_REG_VDM); |
| 921 | |
| 922 | set_bit(IVTV_F_I_DECODING_YUV, &itv->i_flags); |
Ian Armstrong | 195b125 | 2007-10-14 13:12:28 -0300 | [diff] [blame] | 923 | atomic_set(&yi->next_dma_frame, 0); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 924 | } |
| 925 | |
Ian Armstrong | a3e5f5e | 2007-10-20 14:52:55 -0300 | [diff] [blame] | 926 | /* Get next available yuv buffer on PVR350 */ |
Adrian Bunk | 5eedc46 | 2008-04-22 14:41:44 -0300 | [diff] [blame] | 927 | static void ivtv_yuv_next_free(struct ivtv *itv) |
Ian Armstrong | a3e5f5e | 2007-10-20 14:52:55 -0300 | [diff] [blame] | 928 | { |
| 929 | int draw, display; |
| 930 | struct yuv_playback_info *yi = &itv->yuv_info; |
| 931 | |
| 932 | if (atomic_read(&yi->next_dma_frame) == -1) |
| 933 | ivtv_yuv_init(itv); |
| 934 | |
| 935 | draw = atomic_read(&yi->next_fill_frame); |
| 936 | display = atomic_read(&yi->next_dma_frame); |
| 937 | |
| 938 | if (display > draw) |
| 939 | display -= IVTV_YUV_BUFFERS; |
| 940 | |
| 941 | if (draw - display >= yi->max_frames_buffered) |
| 942 | draw = (u8)(draw - 1) % IVTV_YUV_BUFFERS; |
| 943 | else |
| 944 | yi->new_frame_info[draw].update = 0; |
| 945 | |
| 946 | yi->draw_frame = draw; |
| 947 | } |
| 948 | |
| 949 | /* Set up frame according to ivtv_dma_frame parameters */ |
Adrian Bunk | 5eedc46 | 2008-04-22 14:41:44 -0300 | [diff] [blame] | 950 | static void ivtv_yuv_setup_frame(struct ivtv *itv, struct ivtv_dma_frame *args) |
Ian Armstrong | a3e5f5e | 2007-10-20 14:52:55 -0300 | [diff] [blame] | 951 | { |
| 952 | struct yuv_playback_info *yi = &itv->yuv_info; |
| 953 | u8 frame = yi->draw_frame; |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 954 | u8 last_frame = (u8)(frame - 1) % IVTV_YUV_BUFFERS; |
| 955 | struct yuv_frame_info *nf = &yi->new_frame_info[frame]; |
| 956 | struct yuv_frame_info *of = &yi->new_frame_info[last_frame]; |
| 957 | int lace_threshold = yi->lace_threshold; |
Ian Armstrong | a3e5f5e | 2007-10-20 14:52:55 -0300 | [diff] [blame] | 958 | |
| 959 | /* Preserve old update flag in case we're overwriting a queued frame */ |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 960 | int update = nf->update; |
Ian Armstrong | a3e5f5e | 2007-10-20 14:52:55 -0300 | [diff] [blame] | 961 | |
| 962 | /* Take a snapshot of the yuv coordinate information */ |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 963 | nf->src_x = args->src.left; |
| 964 | nf->src_y = args->src.top; |
| 965 | nf->src_w = args->src.width; |
| 966 | nf->src_h = args->src.height; |
| 967 | nf->dst_x = args->dst.left; |
| 968 | nf->dst_y = args->dst.top; |
| 969 | nf->dst_w = args->dst.width; |
| 970 | nf->dst_h = args->dst.height; |
| 971 | nf->tru_x = args->dst.left; |
| 972 | nf->tru_w = args->src_width; |
| 973 | nf->tru_h = args->src_height; |
Ian Armstrong | a3e5f5e | 2007-10-20 14:52:55 -0300 | [diff] [blame] | 974 | |
| 975 | /* Are we going to offset the Y plane */ |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 976 | nf->offset_y = (nf->tru_h + nf->src_x < 512 - 16) ? 1 : 0; |
Ian Armstrong | a3e5f5e | 2007-10-20 14:52:55 -0300 | [diff] [blame] | 977 | |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 978 | nf->update = 0; |
| 979 | nf->interlaced_y = 0; |
| 980 | nf->interlaced_uv = 0; |
| 981 | nf->delay = 0; |
| 982 | nf->sync_field = 0; |
| 983 | nf->lace_mode = yi->lace_mode & IVTV_YUV_MODE_MASK; |
Ian Armstrong | a3e5f5e | 2007-10-20 14:52:55 -0300 | [diff] [blame] | 984 | |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 985 | if (lace_threshold < 0) |
| 986 | lace_threshold = yi->decode_height - 1; |
| 987 | |
| 988 | /* Work out the lace settings */ |
| 989 | switch (nf->lace_mode) { |
| 990 | case IVTV_YUV_MODE_PROGRESSIVE: /* Progressive mode */ |
| 991 | nf->interlaced = 0; |
| 992 | if (nf->tru_h < 512 || (nf->tru_h > 576 && nf->tru_h < 1021)) |
| 993 | nf->interlaced_y = 0; |
| 994 | else |
| 995 | nf->interlaced_y = 1; |
| 996 | |
| 997 | if (nf->tru_h < 1021 && (nf->dst_h >= nf->src_h / 2)) |
| 998 | nf->interlaced_uv = 0; |
| 999 | else |
| 1000 | nf->interlaced_uv = 1; |
| 1001 | break; |
| 1002 | |
| 1003 | case IVTV_YUV_MODE_AUTO: |
| 1004 | if (nf->tru_h <= lace_threshold || nf->tru_h > 576 || nf->tru_w > 720) { |
| 1005 | nf->interlaced = 0; |
| 1006 | if ((nf->tru_h < 512) || |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 1007 | (nf->tru_h > 576 && nf->tru_h < 1021) || |
| 1008 | (nf->tru_w > 720 && nf->tru_h < 1021)) |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 1009 | nf->interlaced_y = 0; |
| 1010 | else |
| 1011 | nf->interlaced_y = 1; |
| 1012 | if (nf->tru_h < 1021 && (nf->dst_h >= nf->src_h / 2)) |
| 1013 | nf->interlaced_uv = 0; |
| 1014 | else |
| 1015 | nf->interlaced_uv = 1; |
| 1016 | } else { |
| 1017 | nf->interlaced = 1; |
| 1018 | nf->interlaced_y = 1; |
| 1019 | nf->interlaced_uv = 1; |
| 1020 | } |
| 1021 | break; |
| 1022 | |
| 1023 | case IVTV_YUV_MODE_INTERLACED: /* Interlace mode */ |
| 1024 | default: |
| 1025 | nf->interlaced = 1; |
| 1026 | nf->interlaced_y = 1; |
| 1027 | nf->interlaced_uv = 1; |
| 1028 | break; |
| 1029 | } |
| 1030 | |
| 1031 | if (memcmp(&yi->old_frame_info_args, nf, sizeof(*nf))) { |
| 1032 | yi->old_frame_info_args = *nf; |
| 1033 | nf->update = 1; |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 1034 | IVTV_DEBUG_YUV("Requesting reg update for frame %d\n", frame); |
Ian Armstrong | a3e5f5e | 2007-10-20 14:52:55 -0300 | [diff] [blame] | 1035 | } |
| 1036 | |
Ian Armstrong | 3b5c1c8 | 2007-10-22 14:24:26 -0300 | [diff] [blame] | 1037 | nf->update |= update; |
| 1038 | nf->sync_field = yi->lace_sync_field; |
| 1039 | nf->delay = nf->sync_field != of->sync_field; |
Ian Armstrong | a3e5f5e | 2007-10-20 14:52:55 -0300 | [diff] [blame] | 1040 | } |
| 1041 | |
| 1042 | /* Frame is complete & ready for display */ |
| 1043 | void ivtv_yuv_frame_complete(struct ivtv *itv) |
| 1044 | { |
| 1045 | atomic_set(&itv->yuv_info.next_fill_frame, |
| 1046 | (itv->yuv_info.draw_frame + 1) % IVTV_YUV_BUFFERS); |
| 1047 | } |
| 1048 | |
Adrian Bunk | 5eedc46 | 2008-04-22 14:41:44 -0300 | [diff] [blame] | 1049 | static int ivtv_yuv_udma_frame(struct ivtv *itv, struct ivtv_dma_frame *args) |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 1050 | { |
| 1051 | DEFINE_WAIT(wait); |
| 1052 | int rc = 0; |
| 1053 | int got_sig = 0; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 1054 | /* DMA the frame */ |
| 1055 | mutex_lock(&itv->udma.lock); |
| 1056 | |
| 1057 | if ((rc = ivtv_yuv_prep_user_dma(itv, &itv->udma, args)) != 0) { |
| 1058 | mutex_unlock(&itv->udma.lock); |
| 1059 | return rc; |
| 1060 | } |
| 1061 | |
| 1062 | ivtv_udma_prepare(itv); |
| 1063 | prepare_to_wait(&itv->dma_waitq, &wait, TASK_INTERRUPTIBLE); |
| 1064 | /* if no UDMA is pending and no UDMA is in progress, then the DMA |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 1065 | is finished */ |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 1066 | while (itv->i_flags & (IVTV_F_I_UDMA_PENDING | IVTV_F_I_UDMA)) { |
| 1067 | /* don't interrupt if the DMA is in progress but break off |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 1068 | a still pending DMA. */ |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 1069 | got_sig = signal_pending(current); |
| 1070 | if (got_sig && test_and_clear_bit(IVTV_F_I_UDMA_PENDING, &itv->i_flags)) |
| 1071 | break; |
| 1072 | got_sig = 0; |
| 1073 | schedule(); |
| 1074 | } |
| 1075 | finish_wait(&itv->dma_waitq, &wait); |
| 1076 | |
| 1077 | /* Unmap Last DMA Xfer */ |
| 1078 | ivtv_udma_unmap(itv); |
| 1079 | |
| 1080 | if (got_sig) { |
| 1081 | IVTV_DEBUG_INFO("User stopped YUV UDMA\n"); |
| 1082 | mutex_unlock(&itv->udma.lock); |
| 1083 | return -EINTR; |
| 1084 | } |
| 1085 | |
Ian Armstrong | a3e5f5e | 2007-10-20 14:52:55 -0300 | [diff] [blame] | 1086 | ivtv_yuv_frame_complete(itv); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 1087 | |
| 1088 | mutex_unlock(&itv->udma.lock); |
| 1089 | return rc; |
| 1090 | } |
| 1091 | |
Ian Armstrong | 77aded6 | 2007-11-05 14:27:09 -0300 | [diff] [blame] | 1092 | /* Setup frame according to V4L2 parameters */ |
| 1093 | void ivtv_yuv_setup_stream_frame(struct ivtv *itv) |
| 1094 | { |
| 1095 | struct yuv_playback_info *yi = &itv->yuv_info; |
| 1096 | struct ivtv_dma_frame dma_args; |
| 1097 | |
| 1098 | ivtv_yuv_next_free(itv); |
| 1099 | |
| 1100 | /* Copy V4L2 parameters to an ivtv_dma_frame struct... */ |
Harvey Harrison | a6a3a17 | 2008-04-28 16:50:03 -0700 | [diff] [blame] | 1101 | dma_args.y_source = NULL; |
| 1102 | dma_args.uv_source = NULL; |
Ian Armstrong | 77aded6 | 2007-11-05 14:27:09 -0300 | [diff] [blame] | 1103 | dma_args.src.left = 0; |
| 1104 | dma_args.src.top = 0; |
| 1105 | dma_args.src.width = yi->v4l2_src_w; |
| 1106 | dma_args.src.height = yi->v4l2_src_h; |
| 1107 | dma_args.dst = yi->main_rect; |
| 1108 | dma_args.src_width = yi->v4l2_src_w; |
| 1109 | dma_args.src_height = yi->v4l2_src_h; |
| 1110 | |
| 1111 | /* ... and use the same setup routine as ivtv_yuv_prep_frame */ |
| 1112 | ivtv_yuv_setup_frame(itv, &dma_args); |
| 1113 | |
| 1114 | if (!itv->dma_data_req_offset) |
| 1115 | itv->dma_data_req_offset = yuv_offset[yi->draw_frame]; |
| 1116 | } |
| 1117 | |
| 1118 | /* Attempt to dma a frame from a user buffer */ |
Al Viro | b0510f8 | 2008-05-21 00:31:41 -0300 | [diff] [blame] | 1119 | int ivtv_yuv_udma_stream_frame(struct ivtv *itv, void __user *src) |
Ian Armstrong | 77aded6 | 2007-11-05 14:27:09 -0300 | [diff] [blame] | 1120 | { |
| 1121 | struct yuv_playback_info *yi = &itv->yuv_info; |
| 1122 | struct ivtv_dma_frame dma_args; |
| 1123 | |
| 1124 | ivtv_yuv_setup_stream_frame(itv); |
| 1125 | |
| 1126 | /* We only need to supply source addresses for this */ |
| 1127 | dma_args.y_source = src; |
| 1128 | dma_args.uv_source = src + 720 * ((yi->v4l2_src_h + 31) & ~31); |
| 1129 | return ivtv_yuv_udma_frame(itv, &dma_args); |
| 1130 | } |
| 1131 | |
| 1132 | /* IVTV_IOC_DMA_FRAME ioctl handler */ |
| 1133 | int ivtv_yuv_prep_frame(struct ivtv *itv, struct ivtv_dma_frame *args) |
| 1134 | { |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 1135 | /* IVTV_DEBUG_INFO("yuv_prep_frame\n"); */ |
Ian Armstrong | 77aded6 | 2007-11-05 14:27:09 -0300 | [diff] [blame] | 1136 | |
| 1137 | ivtv_yuv_next_free(itv); |
| 1138 | ivtv_yuv_setup_frame(itv, args); |
| 1139 | return ivtv_yuv_udma_frame(itv, args); |
| 1140 | } |
| 1141 | |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 1142 | void ivtv_yuv_close(struct ivtv *itv) |
| 1143 | { |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 1144 | struct yuv_playback_info *yi = &itv->yuv_info; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 1145 | int h_filter, v_filter_1, v_filter_2; |
| 1146 | |
| 1147 | IVTV_DEBUG_YUV("ivtv_yuv_close\n"); |
| 1148 | ivtv_waitq(&itv->vsync_waitq); |
| 1149 | |
Ian Armstrong | 2bd7ac5 | 2008-10-09 12:04:23 -0300 | [diff] [blame] | 1150 | yi->running = 0; |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 1151 | atomic_set(&yi->next_dma_frame, -1); |
| 1152 | atomic_set(&yi->next_fill_frame, 0); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 1153 | |
| 1154 | /* Reset registers we have changed so mpeg playback works */ |
| 1155 | |
| 1156 | /* If we fully restore this register, the display may remain active. |
| 1157 | Restore, but set one bit to blank the video. Firmware will always |
| 1158 | clear this bit when needed, so not a problem. */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 1159 | write_reg(yi->reg_2898 | 0x01000000, 0x2898); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 1160 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 1161 | write_reg(yi->reg_2834, 0x02834); |
| 1162 | write_reg(yi->reg_2838, 0x02838); |
| 1163 | write_reg(yi->reg_283c, 0x0283c); |
| 1164 | write_reg(yi->reg_2840, 0x02840); |
| 1165 | write_reg(yi->reg_2844, 0x02844); |
| 1166 | write_reg(yi->reg_2848, 0x02848); |
| 1167 | write_reg(yi->reg_2854, 0x02854); |
| 1168 | write_reg(yi->reg_285c, 0x0285c); |
| 1169 | write_reg(yi->reg_2864, 0x02864); |
| 1170 | write_reg(yi->reg_2870, 0x02870); |
| 1171 | write_reg(yi->reg_2874, 0x02874); |
| 1172 | write_reg(yi->reg_2890, 0x02890); |
| 1173 | write_reg(yi->reg_289c, 0x0289c); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 1174 | |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 1175 | write_reg(yi->reg_2918, 0x02918); |
| 1176 | write_reg(yi->reg_291c, 0x0291c); |
| 1177 | write_reg(yi->reg_2920, 0x02920); |
| 1178 | write_reg(yi->reg_2924, 0x02924); |
| 1179 | write_reg(yi->reg_2928, 0x02928); |
| 1180 | write_reg(yi->reg_292c, 0x0292c); |
| 1181 | write_reg(yi->reg_2930, 0x02930); |
| 1182 | write_reg(yi->reg_2934, 0x02934); |
| 1183 | write_reg(yi->reg_2938, 0x02938); |
| 1184 | write_reg(yi->reg_293c, 0x0293c); |
| 1185 | write_reg(yi->reg_2940, 0x02940); |
| 1186 | write_reg(yi->reg_2944, 0x02944); |
| 1187 | write_reg(yi->reg_2948, 0x02948); |
| 1188 | write_reg(yi->reg_294c, 0x0294c); |
| 1189 | write_reg(yi->reg_2950, 0x02950); |
| 1190 | write_reg(yi->reg_2954, 0x02954); |
| 1191 | write_reg(yi->reg_2958, 0x02958); |
| 1192 | write_reg(yi->reg_295c, 0x0295c); |
| 1193 | write_reg(yi->reg_2960, 0x02960); |
| 1194 | write_reg(yi->reg_2964, 0x02964); |
| 1195 | write_reg(yi->reg_2968, 0x02968); |
| 1196 | write_reg(yi->reg_296c, 0x0296c); |
| 1197 | write_reg(yi->reg_2970, 0x02970); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 1198 | |
| 1199 | /* Prepare to restore filters */ |
| 1200 | |
| 1201 | /* First the horizontal filter */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 1202 | if ((yi->reg_2834 & 0x0000FFFF) == (yi->reg_2834 >> 16)) { |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 1203 | /* An exact size match uses filter 0 */ |
| 1204 | h_filter = 0; |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 1205 | } else { |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 1206 | /* Figure out which filter to use */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 1207 | h_filter = ((yi->reg_2834 << 16) / (yi->reg_2834 >> 16)) >> 15; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 1208 | h_filter = (h_filter >> 1) + (h_filter & 1); |
| 1209 | /* Only an exact size match can use filter 0. */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 1210 | h_filter += !h_filter; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 1211 | } |
| 1212 | |
| 1213 | /* Now the vertical filter */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 1214 | if ((yi->reg_2918 & 0x0000FFFF) == (yi->reg_2918 >> 16)) { |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 1215 | /* An exact size match uses filter 0/1 */ |
| 1216 | v_filter_1 = 0; |
| 1217 | v_filter_2 = 1; |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 1218 | } else { |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 1219 | /* Figure out which filter to use */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 1220 | v_filter_1 = ((yi->reg_2918 << 16) / (yi->reg_2918 >> 16)) >> 15; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 1221 | v_filter_1 = (v_filter_1 >> 1) + (v_filter_1 & 1); |
| 1222 | /* Only an exact size match can use filter 0 */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 1223 | v_filter_1 += !v_filter_1; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 1224 | v_filter_2 = v_filter_1; |
| 1225 | } |
| 1226 | |
| 1227 | /* Now restore the filters */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 1228 | ivtv_yuv_filter(itv, h_filter, v_filter_1, v_filter_2); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 1229 | |
| 1230 | /* and clear a few registers */ |
| 1231 | write_reg(0, 0x02814); |
| 1232 | write_reg(0, 0x0282c); |
| 1233 | write_reg(0, 0x02904); |
| 1234 | write_reg(0, 0x02910); |
| 1235 | |
| 1236 | /* Release the blanking buffer */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 1237 | if (yi->blanking_ptr) { |
| 1238 | kfree(yi->blanking_ptr); |
| 1239 | yi->blanking_ptr = NULL; |
Hans Verkuil | 8ac05ae | 2009-02-07 07:02:27 -0300 | [diff] [blame] | 1240 | pci_unmap_single(itv->pdev, yi->blanking_dmaptr, 720*16, PCI_DMA_TODEVICE); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 1241 | } |
| 1242 | |
| 1243 | /* Invalidate the old dimension information */ |
Ian Armstrong | 2b057e8 | 2007-11-13 19:15:25 -0300 | [diff] [blame] | 1244 | yi->old_frame_info.src_w = 0; |
| 1245 | yi->old_frame_info.src_h = 0; |
| 1246 | yi->old_frame_info_args.src_w = 0; |
| 1247 | yi->old_frame_info_args.src_h = 0; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 1248 | |
| 1249 | /* All done. */ |
| 1250 | clear_bit(IVTV_F_I_DECODING_YUV, &itv->i_flags); |
| 1251 | } |