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Commit | Line | Data |
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1a0adaf3 HV |
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" | |
1a0adaf3 | 22 | #include "ivtv-udma.h" |
83df8e7b | 23 | #include "ivtv-yuv.h" |
1a0adaf3 | 24 | |
a3e5f5e2 IA |
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 | |
612570f2 HV |
35 | }; |
36 | ||
1a0adaf3 HV |
37 | static int ivtv_yuv_prep_user_dma(struct ivtv *itv, struct ivtv_user_dma *dma, |
38 | struct ivtv_dma_frame *args) | |
39 | { | |
40 | struct ivtv_dma_page_info y_dma; | |
41 | struct ivtv_dma_page_info uv_dma; | |
42 | ||
43 | int i; | |
44 | int y_pages, uv_pages; | |
a3e5f5e2 | 45 | u8 frame = itv->yuv_info.draw_frame; |
1a0adaf3 HV |
46 | unsigned long y_buffer_offset, uv_buffer_offset; |
47 | int y_decode_height, uv_decode_height, y_size; | |
1a0adaf3 | 48 | |
33c0fcad | 49 | y_buffer_offset = IVTV_DECODER_OFFSET + yuv_offset[frame]; |
1a0adaf3 HV |
50 | uv_buffer_offset = y_buffer_offset + IVTV_YUV_BUFFER_UV_OFFSET; |
51 | ||
52 | y_decode_height = uv_decode_height = args->src.height + args->src.top; | |
53 | ||
54 | if (y_decode_height < 512-16) | |
55 | y_buffer_offset += 720 * 16; | |
56 | ||
57 | if (y_decode_height & 15) | |
58 | y_decode_height = (y_decode_height + 16) & ~15; | |
59 | ||
60 | if (uv_decode_height & 31) | |
61 | uv_decode_height = (uv_decode_height + 32) & ~31; | |
62 | ||
63 | y_size = 720 * y_decode_height; | |
64 | ||
65 | /* Still in USE */ | |
66 | if (dma->SG_length || dma->page_count) { | |
67 | IVTV_DEBUG_WARN("prep_user_dma: SG_length %d page_count %d still full?\n", | |
68 | dma->SG_length, dma->page_count); | |
69 | return -EBUSY; | |
70 | } | |
71 | ||
72 | ivtv_udma_get_page_info (&y_dma, (unsigned long)args->y_source, 720 * y_decode_height); | |
73 | ivtv_udma_get_page_info (&uv_dma, (unsigned long)args->uv_source, 360 * uv_decode_height); | |
74 | ||
75 | /* Get user pages for DMA Xfer */ | |
76 | down_read(¤t->mm->mmap_sem); | |
77 | y_pages = get_user_pages(current, current->mm, y_dma.uaddr, y_dma.page_count, 0, 1, &dma->map[0], NULL); | |
78 | uv_pages = get_user_pages(current, current->mm, uv_dma.uaddr, uv_dma.page_count, 0, 1, &dma->map[y_pages], NULL); | |
79 | up_read(¤t->mm->mmap_sem); | |
80 | ||
81 | dma->page_count = y_dma.page_count + uv_dma.page_count; | |
82 | ||
83 | if (y_pages + uv_pages != dma->page_count) { | |
84 | IVTV_DEBUG_WARN("failed to map user pages, returned %d instead of %d\n", | |
85 | y_pages + uv_pages, dma->page_count); | |
86 | ||
87 | for (i = 0; i < dma->page_count; i++) { | |
88 | put_page(dma->map[i]); | |
89 | } | |
90 | dma->page_count = 0; | |
91 | return -EINVAL; | |
92 | } | |
93 | ||
94 | /* Fill & map SG List */ | |
8beb058f | 95 | if (ivtv_udma_fill_sg_list (dma, &uv_dma, ivtv_udma_fill_sg_list (dma, &y_dma, 0)) < 0) { |
0989fd2c HV |
96 | IVTV_DEBUG_WARN("could not allocate bounce buffers for highmem userspace buffers\n"); |
97 | for (i = 0; i < dma->page_count; i++) { | |
98 | put_page(dma->map[i]); | |
99 | } | |
100 | dma->page_count = 0; | |
101 | return -ENOMEM; | |
102 | } | |
1a0adaf3 HV |
103 | dma->SG_length = pci_map_sg(itv->dev, dma->SGlist, dma->page_count, PCI_DMA_TODEVICE); |
104 | ||
105 | /* Fill SG Array with new values */ | |
106 | ivtv_udma_fill_sg_array (dma, y_buffer_offset, uv_buffer_offset, y_size); | |
107 | ||
108 | /* If we've offset the y plane, ensure top area is blanked */ | |
109 | if (args->src.height + args->src.top < 512-16) { | |
110 | if (itv->yuv_info.blanking_dmaptr) { | |
111 | dma->SGarray[dma->SG_length].size = cpu_to_le32(720*16); | |
112 | dma->SGarray[dma->SG_length].src = cpu_to_le32(itv->yuv_info.blanking_dmaptr); | |
33c0fcad | 113 | dma->SGarray[dma->SG_length].dst = cpu_to_le32(IVTV_DECODER_OFFSET + yuv_offset[frame]); |
1a0adaf3 HV |
114 | dma->SG_length++; |
115 | } | |
116 | } | |
117 | ||
118 | /* Tag SG Array with Interrupt Bit */ | |
119 | dma->SGarray[dma->SG_length - 1].size |= cpu_to_le32(0x80000000); | |
120 | ||
121 | ivtv_udma_sync_for_device(itv); | |
122 | return 0; | |
123 | } | |
124 | ||
125 | /* We rely on a table held in the firmware - Quick check. */ | |
126 | int ivtv_yuv_filter_check(struct ivtv *itv) | |
127 | { | |
128 | int i, offset_y, offset_uv; | |
129 | ||
130 | for (i=0, offset_y = 16, offset_uv = 4; i<16; i++, offset_y += 24, offset_uv += 12) { | |
131 | if ((read_dec(IVTV_YUV_HORIZONTAL_FILTER_OFFSET + offset_y) != i << 16) || | |
132 | (read_dec(IVTV_YUV_VERTICAL_FILTER_OFFSET + offset_uv) != i << 16)) { | |
133 | IVTV_WARN ("YUV filter table not found in firmware.\n"); | |
134 | return -1; | |
135 | } | |
136 | } | |
137 | return 0; | |
138 | } | |
139 | ||
140 | static void ivtv_yuv_filter(struct ivtv *itv, int h_filter, int v_filter_1, int v_filter_2) | |
141 | { | |
142 | int filter_index, filter_line; | |
143 | ||
144 | /* If any filter is -1, then don't update it */ | |
145 | if (h_filter > -1) { | |
146 | if (h_filter > 4) h_filter = 4; | |
147 | filter_index = h_filter * 384; | |
148 | filter_line = 0; | |
149 | while (filter_line < 16) { | |
150 | write_reg(read_dec(IVTV_YUV_HORIZONTAL_FILTER_OFFSET + filter_index), 0x02804); | |
151 | write_reg(read_dec(IVTV_YUV_HORIZONTAL_FILTER_OFFSET + filter_index), 0x0281c); | |
152 | filter_index += 4; | |
153 | write_reg(read_dec(IVTV_YUV_HORIZONTAL_FILTER_OFFSET + filter_index), 0x02808); | |
154 | write_reg(read_dec(IVTV_YUV_HORIZONTAL_FILTER_OFFSET + filter_index), 0x02820); | |
155 | filter_index += 4; | |
156 | write_reg(read_dec(IVTV_YUV_HORIZONTAL_FILTER_OFFSET + filter_index), 0x0280c); | |
157 | write_reg(read_dec(IVTV_YUV_HORIZONTAL_FILTER_OFFSET + filter_index), 0x02824); | |
158 | filter_index += 4; | |
159 | write_reg(read_dec(IVTV_YUV_HORIZONTAL_FILTER_OFFSET + filter_index), 0x02810); | |
160 | write_reg(read_dec(IVTV_YUV_HORIZONTAL_FILTER_OFFSET + filter_index), 0x02828); | |
161 | filter_index += 4; | |
162 | write_reg(read_dec(IVTV_YUV_HORIZONTAL_FILTER_OFFSET + filter_index), 0x02814); | |
163 | write_reg(read_dec(IVTV_YUV_HORIZONTAL_FILTER_OFFSET + filter_index), 0x0282c); | |
164 | filter_index += 8; | |
165 | write_reg(0, 0x02818); | |
166 | write_reg(0, 0x02830); | |
167 | filter_line ++; | |
168 | } | |
169 | IVTV_DEBUG_YUV("h_filter -> %d\n",h_filter); | |
170 | } | |
171 | ||
172 | if (v_filter_1 > -1) { | |
173 | if (v_filter_1 > 4) v_filter_1 = 4; | |
174 | filter_index = v_filter_1 * 192; | |
175 | filter_line = 0; | |
176 | while (filter_line < 16) { | |
177 | write_reg(read_dec(IVTV_YUV_VERTICAL_FILTER_OFFSET + filter_index), 0x02900); | |
178 | filter_index += 4; | |
179 | write_reg(read_dec(IVTV_YUV_VERTICAL_FILTER_OFFSET + filter_index), 0x02904); | |
180 | filter_index += 8; | |
181 | write_reg(0, 0x02908); | |
182 | filter_line ++; | |
183 | } | |
184 | IVTV_DEBUG_YUV("v_filter_1 -> %d\n",v_filter_1); | |
185 | } | |
186 | ||
187 | if (v_filter_2 > -1) { | |
188 | if (v_filter_2 > 4) v_filter_2 = 4; | |
189 | filter_index = v_filter_2 * 192; | |
190 | filter_line = 0; | |
191 | while (filter_line < 16) { | |
192 | write_reg(read_dec(IVTV_YUV_VERTICAL_FILTER_OFFSET + filter_index), 0x0290c); | |
193 | filter_index += 4; | |
194 | write_reg(read_dec(IVTV_YUV_VERTICAL_FILTER_OFFSET + filter_index), 0x02910); | |
195 | filter_index += 8; | |
196 | write_reg(0, 0x02914); | |
197 | filter_line ++; | |
198 | } | |
199 | IVTV_DEBUG_YUV("v_filter_2 -> %d\n",v_filter_2); | |
200 | } | |
201 | } | |
202 | ||
203 | static void ivtv_yuv_handle_horizontal(struct ivtv *itv, struct yuv_frame_info *window) | |
204 | { | |
205 | u32 reg_2834, reg_2838, reg_283c; | |
206 | u32 reg_2844, reg_2854, reg_285c; | |
207 | u32 reg_2864, reg_2874, reg_2890; | |
208 | u32 reg_2870, reg_2870_base, reg_2870_offset; | |
209 | int x_cutoff; | |
210 | int h_filter; | |
211 | u32 master_width; | |
212 | ||
213 | IVTV_DEBUG_WARN( "Need to adjust to width %d src_w %d dst_w %d src_x %d dst_x %d\n", | |
214 | window->tru_w, window->src_w, window->dst_w,window->src_x, window->dst_x); | |
215 | ||
216 | /* How wide is the src image */ | |
217 | x_cutoff = window->src_w + window->src_x; | |
218 | ||
219 | /* Set the display width */ | |
220 | reg_2834 = window->dst_w; | |
221 | reg_2838 = reg_2834; | |
222 | ||
223 | /* Set the display position */ | |
224 | reg_2890 = window->dst_x; | |
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. */ | |
235 | if (window->vis_w == 720) { | |
236 | if ((window->tru_x - window->pan_x > -1) && (window->tru_x - window->pan_x <= 40) && (window->dst_w >= 680)){ | |
237 | reg_2870 = 10 - (window->tru_x - window->pan_x) / 4; | |
238 | } | |
239 | else if ((window->tru_x - window->pan_x < 0) && (window->tru_x - window->pan_x >= -20) && (window->dst_w >= 660)) { | |
240 | reg_2870 = (10 + (window->tru_x - window->pan_x) / 2); | |
241 | } | |
242 | ||
243 | if (window->dst_w >= window->src_w) | |
244 | reg_2870 = reg_2870 << 16 | reg_2870; | |
245 | else | |
246 | reg_2870 = ((reg_2870 & ~1) << 15) | (reg_2870 & ~1); | |
247 | } | |
248 | ||
249 | if (window->dst_w < window->src_w) | |
250 | reg_2870 = 0x000d000e - reg_2870; | |
251 | else | |
252 | reg_2870 = 0x0012000e - reg_2870; | |
253 | ||
254 | /* We're also using 2870 to shift the image left (src_x & negative dst_x) */ | |
255 | reg_2870_offset = (window->src_x*((window->dst_w << 21)/window->src_w))>>19; | |
256 | ||
257 | if (window->dst_w >= window->src_w) { | |
258 | x_cutoff &= ~1; | |
259 | master_width = (window->src_w * 0x00200000) / (window->dst_w); | |
260 | if (master_width * window->dst_w != window->src_w * 0x00200000) master_width ++; | |
261 | reg_2834 = (reg_2834 << 16) | x_cutoff; | |
262 | reg_2838 = (reg_2838 << 16) | x_cutoff; | |
263 | reg_283c = master_width >> 2; | |
264 | reg_2844 = master_width >> 2; | |
265 | reg_2854 = master_width; | |
266 | reg_285c = master_width >> 1; | |
267 | reg_2864 = master_width >> 1; | |
268 | ||
269 | /* We also need to factor in the scaling | |
270 | (src_w - dst_w) / (src_w / 4) */ | |
271 | if (window->dst_w > window->src_w) | |
272 | reg_2870_base = ((window->dst_w - window->src_w)<<16) / (window->src_w <<14); | |
273 | else | |
274 | reg_2870_base = 0; | |
275 | ||
276 | reg_2870 += (((reg_2870_offset << 14) & 0xFFFF0000) | reg_2870_offset >> 2) + (reg_2870_base << 17 | reg_2870_base); | |
277 | reg_2874 = 0; | |
278 | } | |
279 | else if (window->dst_w < window->src_w / 2) { | |
280 | master_width = (window->src_w * 0x00080000) / window->dst_w; | |
281 | if (master_width * window->dst_w != window->src_w * 0x00080000) master_width ++; | |
282 | reg_2834 = (reg_2834 << 16) | x_cutoff; | |
283 | reg_2838 = (reg_2838 << 16) | x_cutoff; | |
284 | reg_283c = master_width >> 2; | |
285 | reg_2844 = master_width >> 1; | |
286 | reg_2854 = master_width; | |
287 | reg_285c = master_width >> 1; | |
288 | reg_2864 = master_width >> 1; | |
289 | reg_2870 += (((reg_2870_offset << 15) & 0xFFFF0000) | reg_2870_offset); | |
290 | reg_2870 += (5 - (((window->src_w + window->src_w / 2) - 1) / window->dst_w)) << 16; | |
291 | reg_2874 = 0x00000012; | |
292 | } | |
293 | else { | |
294 | master_width = (window->src_w * 0x00100000) / window->dst_w; | |
295 | if (master_width * window->dst_w != window->src_w * 0x00100000) master_width ++; | |
296 | reg_2834 = (reg_2834 << 16) | x_cutoff; | |
297 | reg_2838 = (reg_2838 << 16) | x_cutoff; | |
298 | reg_283c = master_width >> 2; | |
299 | reg_2844 = master_width >> 1; | |
300 | reg_2854 = master_width; | |
301 | reg_285c = master_width >> 1; | |
302 | reg_2864 = master_width >> 1; | |
303 | reg_2870 += (((reg_2870_offset << 14) & 0xFFFF0000) | reg_2870_offset >> 1); | |
304 | reg_2870 += (5 - (((window->src_w * 3) - 1) / window->dst_w)) << 16; | |
305 | reg_2874 = 0x00000001; | |
306 | } | |
307 | ||
308 | /* Select the horizontal filter */ | |
309 | if (window->src_w == window->dst_w) { | |
310 | /* An exact size match uses filter 0 */ | |
311 | h_filter = 0; | |
312 | } | |
313 | else { | |
314 | /* Figure out which filter to use */ | |
315 | h_filter = ((window->src_w << 16) / window->dst_w) >> 15; | |
316 | h_filter = (h_filter >> 1) + (h_filter & 1); | |
317 | /* Only an exact size match can use filter 0 */ | |
318 | if (h_filter == 0) h_filter = 1; | |
319 | } | |
320 | ||
321 | write_reg(reg_2834, 0x02834); | |
322 | write_reg(reg_2838, 0x02838); | |
323 | IVTV_DEBUG_YUV("Update reg 0x2834 %08x->%08x 0x2838 %08x->%08x\n",itv->yuv_info.reg_2834, reg_2834, itv->yuv_info.reg_2838, reg_2838); | |
324 | ||
325 | write_reg(reg_283c, 0x0283c); | |
326 | write_reg(reg_2844, 0x02844); | |
327 | ||
328 | IVTV_DEBUG_YUV("Update reg 0x283c %08x->%08x 0x2844 %08x->%08x\n",itv->yuv_info.reg_283c, reg_283c, itv->yuv_info.reg_2844, reg_2844); | |
329 | ||
330 | write_reg(0x00080514, 0x02840); | |
331 | write_reg(0x00100514, 0x02848); | |
332 | IVTV_DEBUG_YUV("Update reg 0x2840 %08x->%08x 0x2848 %08x->%08x\n",itv->yuv_info.reg_2840, 0x00080514, itv->yuv_info.reg_2848, 0x00100514); | |
333 | ||
334 | write_reg(reg_2854, 0x02854); | |
335 | IVTV_DEBUG_YUV("Update reg 0x2854 %08x->%08x \n",itv->yuv_info.reg_2854, reg_2854); | |
336 | ||
337 | write_reg(reg_285c, 0x0285c); | |
338 | write_reg(reg_2864, 0x02864); | |
339 | IVTV_DEBUG_YUV("Update reg 0x285c %08x->%08x 0x2864 %08x->%08x\n",itv->yuv_info.reg_285c, reg_285c, itv->yuv_info.reg_2864, reg_2864); | |
340 | ||
341 | write_reg(reg_2874, 0x02874); | |
342 | IVTV_DEBUG_YUV("Update reg 0x2874 %08x->%08x\n",itv->yuv_info.reg_2874, reg_2874); | |
343 | ||
344 | write_reg(reg_2870, 0x02870); | |
345 | IVTV_DEBUG_YUV("Update reg 0x2870 %08x->%08x\n",itv->yuv_info.reg_2870, reg_2870); | |
346 | ||
347 | write_reg( reg_2890,0x02890); | |
348 | IVTV_DEBUG_YUV("Update reg 0x2890 %08x->%08x\n",itv->yuv_info.reg_2890, reg_2890); | |
349 | ||
350 | /* Only update the filter if we really need to */ | |
351 | if (h_filter != itv->yuv_info.h_filter) { | |
352 | ivtv_yuv_filter (itv,h_filter,-1,-1); | |
353 | itv->yuv_info.h_filter = h_filter; | |
354 | } | |
355 | } | |
356 | ||
357 | static void ivtv_yuv_handle_vertical(struct ivtv *itv, struct yuv_frame_info *window) | |
358 | { | |
359 | u32 master_height; | |
360 | u32 reg_2918, reg_291c, reg_2920, reg_2928; | |
361 | u32 reg_2930, reg_2934, reg_293c; | |
362 | u32 reg_2940, reg_2944, reg_294c; | |
363 | u32 reg_2950, reg_2954, reg_2958, reg_295c; | |
364 | u32 reg_2960, reg_2964, reg_2968, reg_296c; | |
365 | u32 reg_289c; | |
366 | u32 src_y_major_y, src_y_minor_y; | |
367 | u32 src_y_major_uv, src_y_minor_uv; | |
368 | u32 reg_2964_base, reg_2968_base; | |
369 | int v_filter_1, v_filter_2; | |
370 | ||
371 | IVTV_DEBUG_WARN("Need to adjust to height %d src_h %d dst_h %d src_y %d dst_y %d\n", | |
372 | window->tru_h, window->src_h, window->dst_h,window->src_y, window->dst_y); | |
373 | ||
374 | /* What scaling mode is being used... */ | |
375 | if (window->interlaced_y) { | |
376 | IVTV_DEBUG_YUV("Scaling mode Y: Interlaced\n"); | |
377 | } | |
378 | else { | |
379 | IVTV_DEBUG_YUV("Scaling mode Y: Progressive\n"); | |
380 | } | |
381 | ||
382 | if (window->interlaced_uv) { | |
383 | IVTV_DEBUG_YUV("Scaling mode UV: Interlaced\n"); | |
384 | } | |
385 | else { | |
386 | IVTV_DEBUG_YUV("Scaling mode UV: Progressive\n"); | |
387 | } | |
388 | ||
389 | /* What is the source video being treated as... */ | |
390 | if (itv->yuv_info.frame_interlaced) { | |
391 | IVTV_DEBUG_WARN("Source video: Interlaced\n"); | |
392 | } | |
393 | else { | |
394 | IVTV_DEBUG_WARN("Source video: Non-interlaced\n"); | |
395 | } | |
396 | ||
397 | /* We offset into the image using two different index methods, so split | |
398 | the y source coord into two parts. */ | |
399 | if (window->src_y < 8) { | |
400 | src_y_minor_uv = window->src_y; | |
401 | src_y_major_uv = 0; | |
402 | } | |
403 | else { | |
404 | src_y_minor_uv = 8; | |
405 | src_y_major_uv = window->src_y - 8; | |
406 | } | |
407 | ||
408 | src_y_minor_y = src_y_minor_uv; | |
409 | src_y_major_y = src_y_major_uv; | |
410 | ||
411 | if (window->offset_y) src_y_minor_y += 16; | |
412 | ||
413 | if (window->interlaced_y) | |
414 | reg_2918 = (window->dst_h << 16) | (window->src_h + src_y_minor_y); | |
415 | else | |
416 | reg_2918 = (window->dst_h << 16) | ((window->src_h + src_y_minor_y) << 1); | |
417 | ||
418 | if (window->interlaced_uv) | |
419 | reg_291c = (window->dst_h << 16) | ((window->src_h + src_y_minor_uv) >> 1); | |
420 | else | |
421 | reg_291c = (window->dst_h << 16) | (window->src_h + src_y_minor_uv); | |
422 | ||
423 | reg_2964_base = (src_y_minor_y * ((window->dst_h << 16)/window->src_h)) >> 14; | |
424 | reg_2968_base = (src_y_minor_uv * ((window->dst_h << 16)/window->src_h)) >> 14; | |
425 | ||
426 | if (window->dst_h / 2 >= window->src_h && !window->interlaced_y) { | |
427 | master_height = (window->src_h * 0x00400000) / window->dst_h; | |
428 | if ((window->src_h * 0x00400000) - (master_height * window->dst_h) >= window->dst_h / 2) master_height ++; | |
429 | reg_2920 = master_height >> 2; | |
430 | reg_2928 = master_height >> 3; | |
431 | reg_2930 = master_height; | |
432 | reg_2940 = master_height >> 1; | |
433 | reg_2964_base >>= 3; | |
434 | reg_2968_base >>= 3; | |
435 | reg_296c = 0x00000000; | |
436 | } | |
437 | else if (window->dst_h >= window->src_h) { | |
438 | master_height = (window->src_h * 0x00400000) / window->dst_h; | |
439 | master_height = (master_height >> 1) + (master_height & 1); | |
440 | reg_2920 = master_height >> 2; | |
441 | reg_2928 = master_height >> 2; | |
442 | reg_2930 = master_height; | |
443 | reg_2940 = master_height >> 1; | |
444 | reg_296c = 0x00000000; | |
445 | if (window->interlaced_y) { | |
446 | reg_2964_base >>= 3; | |
447 | } | |
448 | else { | |
449 | reg_296c ++; | |
450 | reg_2964_base >>= 2; | |
451 | } | |
452 | if (window->interlaced_uv) reg_2928 >>= 1; | |
453 | reg_2968_base >>= 3; | |
454 | } | |
455 | else if (window->dst_h >= window->src_h / 2) { | |
456 | master_height = (window->src_h * 0x00200000) / window->dst_h; | |
457 | master_height = (master_height >> 1) + (master_height & 1); | |
458 | reg_2920 = master_height >> 2; | |
459 | reg_2928 = master_height >> 2; | |
460 | reg_2930 = master_height; | |
461 | reg_2940 = master_height; | |
462 | reg_296c = 0x00000101; | |
463 | if (window->interlaced_y) { | |
464 | reg_2964_base >>= 2; | |
465 | } | |
466 | else { | |
467 | reg_296c ++; | |
468 | reg_2964_base >>= 1; | |
469 | } | |
470 | if (window->interlaced_uv) reg_2928 >>= 1; | |
471 | reg_2968_base >>= 2; | |
472 | } | |
473 | else { | |
474 | master_height = (window->src_h * 0x00100000) / window->dst_h; | |
475 | master_height = (master_height >> 1) + (master_height & 1); | |
476 | reg_2920 = master_height >> 2; | |
477 | reg_2928 = master_height >> 2; | |
478 | reg_2930 = master_height; | |
479 | reg_2940 = master_height; | |
480 | reg_2964_base >>= 1; | |
481 | reg_2968_base >>= 2; | |
482 | reg_296c = 0x00000102; | |
483 | } | |
484 | ||
485 | /* FIXME These registers change depending on scaled / unscaled output | |
486 | We really need to work out what they should be */ | |
487 | if (window->src_h == window->dst_h){ | |
488 | reg_2934 = 0x00020000; | |
489 | reg_293c = 0x00100000; | |
490 | reg_2944 = 0x00040000; | |
491 | reg_294c = 0x000b0000; | |
492 | } | |
493 | else { | |
494 | reg_2934 = 0x00000FF0; | |
495 | reg_293c = 0x00000FF0; | |
496 | reg_2944 = 0x00000FF0; | |
497 | reg_294c = 0x00000FF0; | |
498 | } | |
499 | ||
500 | /* The first line to be displayed */ | |
501 | reg_2950 = 0x00010000 + src_y_major_y; | |
502 | if (window->interlaced_y) reg_2950 += 0x00010000; | |
503 | reg_2954 = reg_2950 + 1; | |
504 | ||
505 | reg_2958 = 0x00010000 + (src_y_major_y >> 1); | |
506 | if (window->interlaced_uv) reg_2958 += 0x00010000; | |
507 | reg_295c = reg_2958 + 1; | |
508 | ||
509 | if (itv->yuv_info.decode_height == 480) | |
510 | reg_289c = 0x011e0017; | |
511 | else | |
512 | reg_289c = 0x01500017; | |
513 | ||
514 | if (window->dst_y < 0) | |
515 | reg_289c = (reg_289c - ((window->dst_y & ~1)<<15))-(window->dst_y >>1); | |
516 | else | |
517 | reg_289c = (reg_289c + ((window->dst_y & ~1)<<15))+(window->dst_y >>1); | |
518 | ||
519 | /* How much of the source to decode. | |
520 | Take into account the source offset */ | |
521 | reg_2960 = ((src_y_minor_y + window->src_h + src_y_major_y) - 1 ) | | |
522 | ((((src_y_minor_uv + window->src_h + src_y_major_uv) - 1) & ~1) << 15); | |
523 | ||
524 | /* Calculate correct value for register 2964 */ | |
525 | if (window->src_h == window->dst_h) | |
526 | reg_2964 = 1; | |
527 | else { | |
528 | reg_2964 = 2 + ((window->dst_h << 1) / window->src_h); | |
529 | reg_2964 = (reg_2964 >> 1) + (reg_2964 & 1); | |
530 | } | |
531 | reg_2968 = (reg_2964 << 16) + reg_2964 + (reg_2964 >> 1); | |
532 | reg_2964 = (reg_2964 << 16) + reg_2964 + (reg_2964 * 46 / 94); | |
533 | ||
534 | /* Okay, we've wasted time working out the correct value, | |
535 | but if we use it, it fouls the the window alignment. | |
536 | Fudge it to what we want... */ | |
537 | reg_2964 = 0x00010001 + ((reg_2964 & 0x0000FFFF) - (reg_2964 >> 16)); | |
538 | reg_2968 = 0x00010001 + ((reg_2968 & 0x0000FFFF) - (reg_2968 >> 16)); | |
539 | ||
540 | /* Deviate further from what it should be. I find the flicker headache | |
541 | inducing so try to reduce it slightly. Leave 2968 as-is otherwise | |
542 | colours foul. */ | |
543 | if ((reg_2964 != 0x00010001) && (window->dst_h / 2 <= window->src_h)) | |
544 | reg_2964 = (reg_2964 & 0xFFFF0000) + ((reg_2964 & 0x0000FFFF)/2); | |
545 | ||
546 | if (!window->interlaced_y) reg_2964 -= 0x00010001; | |
547 | if (!window->interlaced_uv) reg_2968 -= 0x00010001; | |
548 | ||
549 | reg_2964 += ((reg_2964_base << 16) | reg_2964_base); | |
550 | reg_2968 += ((reg_2968_base << 16) | reg_2968_base); | |
551 | ||
552 | /* Select the vertical filter */ | |
553 | if (window->src_h == window->dst_h) { | |
554 | /* An exact size match uses filter 0/1 */ | |
555 | v_filter_1 = 0; | |
556 | v_filter_2 = 1; | |
557 | } | |
558 | else { | |
559 | /* Figure out which filter to use */ | |
560 | v_filter_1 = ((window->src_h << 16) / window->dst_h) >> 15; | |
561 | v_filter_1 = (v_filter_1 >> 1) + (v_filter_1 & 1); | |
562 | /* Only an exact size match can use filter 0 */ | |
563 | if (v_filter_1 == 0) v_filter_1 = 1; | |
564 | v_filter_2 = v_filter_1; | |
565 | } | |
566 | ||
567 | write_reg(reg_2934, 0x02934); | |
568 | write_reg(reg_293c, 0x0293c); | |
569 | IVTV_DEBUG_YUV("Update reg 0x2934 %08x->%08x 0x293c %08x->%08x\n",itv->yuv_info.reg_2934, reg_2934, itv->yuv_info.reg_293c, reg_293c); | |
570 | write_reg(reg_2944, 0x02944); | |
571 | write_reg(reg_294c, 0x0294c); | |
572 | IVTV_DEBUG_YUV("Update reg 0x2944 %08x->%08x 0x294c %08x->%08x\n",itv->yuv_info.reg_2944, reg_2944, itv->yuv_info.reg_294c, reg_294c); | |
573 | ||
574 | /* Ensure 2970 is 0 (does it ever change ?) */ | |
575 | /* write_reg(0,0x02970); */ | |
576 | /* IVTV_DEBUG_YUV("Update reg 0x2970 %08x->%08x\n",itv->yuv_info.reg_2970, 0); */ | |
577 | ||
578 | write_reg(reg_2930, 0x02938); | |
579 | write_reg(reg_2930, 0x02930); | |
580 | IVTV_DEBUG_YUV("Update reg 0x2930 %08x->%08x 0x2938 %08x->%08x\n",itv->yuv_info.reg_2930, reg_2930, itv->yuv_info.reg_2938, reg_2930); | |
581 | ||
582 | write_reg(reg_2928, 0x02928); | |
583 | write_reg(reg_2928+0x514, 0x0292C); | |
584 | IVTV_DEBUG_YUV("Update reg 0x2928 %08x->%08x 0x292c %08x->%08x\n",itv->yuv_info.reg_2928, reg_2928, itv->yuv_info.reg_292c, reg_2928+0x514); | |
585 | ||
586 | write_reg(reg_2920, 0x02920); | |
587 | write_reg(reg_2920+0x514, 0x02924); | |
588 | IVTV_DEBUG_YUV("Update reg 0x2920 %08x->%08x 0x2924 %08x->%08x\n",itv->yuv_info.reg_2920, reg_2920, itv->yuv_info.reg_2924, 0x514+reg_2920); | |
589 | ||
590 | write_reg (reg_2918,0x02918); | |
591 | write_reg (reg_291c,0x0291C); | |
592 | IVTV_DEBUG_YUV("Update reg 0x2918 %08x->%08x 0x291C %08x->%08x\n",itv->yuv_info.reg_2918,reg_2918,itv->yuv_info.reg_291c,reg_291c); | |
593 | ||
594 | write_reg(reg_296c, 0x0296c); | |
595 | IVTV_DEBUG_YUV("Update reg 0x296c %08x->%08x\n",itv->yuv_info.reg_296c, reg_296c); | |
596 | ||
597 | write_reg(reg_2940, 0x02948); | |
598 | write_reg(reg_2940, 0x02940); | |
599 | IVTV_DEBUG_YUV("Update reg 0x2940 %08x->%08x 0x2948 %08x->%08x\n",itv->yuv_info.reg_2940, reg_2940, itv->yuv_info.reg_2948, reg_2940); | |
600 | ||
601 | write_reg(reg_2950, 0x02950); | |
602 | write_reg(reg_2954, 0x02954); | |
603 | IVTV_DEBUG_YUV("Update reg 0x2950 %08x->%08x 0x2954 %08x->%08x\n",itv->yuv_info.reg_2950, reg_2950, itv->yuv_info.reg_2954, reg_2954); | |
604 | ||
605 | write_reg(reg_2958, 0x02958); | |
606 | write_reg(reg_295c, 0x0295C); | |
607 | IVTV_DEBUG_YUV("Update reg 0x2958 %08x->%08x 0x295C %08x->%08x\n",itv->yuv_info.reg_2958, reg_2958, itv->yuv_info.reg_295c, reg_295c); | |
608 | ||
609 | write_reg(reg_2960, 0x02960); | |
610 | IVTV_DEBUG_YUV("Update reg 0x2960 %08x->%08x \n",itv->yuv_info.reg_2960, reg_2960); | |
611 | ||
612 | write_reg(reg_2964, 0x02964); | |
613 | write_reg(reg_2968, 0x02968); | |
614 | IVTV_DEBUG_YUV("Update reg 0x2964 %08x->%08x 0x2968 %08x->%08x\n",itv->yuv_info.reg_2964, reg_2964, itv->yuv_info.reg_2968, reg_2968); | |
615 | ||
616 | write_reg( reg_289c,0x0289c); | |
617 | IVTV_DEBUG_YUV("Update reg 0x289c %08x->%08x\n",itv->yuv_info.reg_289c, reg_289c); | |
618 | ||
619 | /* Only update filter 1 if we really need to */ | |
620 | if (v_filter_1 != itv->yuv_info.v_filter_1) { | |
621 | ivtv_yuv_filter (itv,-1,v_filter_1,-1); | |
622 | itv->yuv_info.v_filter_1 = v_filter_1; | |
623 | } | |
624 | ||
625 | /* Only update filter 2 if we really need to */ | |
626 | if (v_filter_2 != itv->yuv_info.v_filter_2) { | |
627 | ivtv_yuv_filter (itv,-1,-1,v_filter_2); | |
628 | itv->yuv_info.v_filter_2 = v_filter_2; | |
629 | } | |
630 | ||
1a0adaf3 HV |
631 | } |
632 | ||
633 | /* Modify the supplied coordinate information to fit the visible osd area */ | |
634 | static u32 ivtv_yuv_window_setup (struct ivtv *itv, struct yuv_frame_info *window) | |
635 | { | |
9e0df402 | 636 | int osd_crop, lace_threshold; |
1a0adaf3 HV |
637 | u32 osd_scale; |
638 | u32 yuv_update = 0; | |
639 | ||
9e0df402 IA |
640 | lace_threshold = itv->yuv_info.lace_threshold; |
641 | if (lace_threshold < 0) | |
642 | lace_threshold = itv->yuv_info.decode_height - 1; | |
643 | ||
1a0adaf3 HV |
644 | /* Work out the lace settings */ |
645 | switch (itv->yuv_info.lace_mode) { | |
646 | case IVTV_YUV_MODE_PROGRESSIVE: /* Progressive mode */ | |
647 | itv->yuv_info.frame_interlaced = 0; | |
648 | if (window->tru_h < 512 || (window->tru_h > 576 && window->tru_h < 1021)) | |
649 | window->interlaced_y = 0; | |
650 | else | |
651 | window->interlaced_y = 1; | |
652 | ||
653 | if (window->tru_h < 1021 && (window->dst_h >= window->src_h /2)) | |
654 | window->interlaced_uv = 0; | |
655 | else | |
656 | window->interlaced_uv = 1; | |
657 | break; | |
658 | ||
659 | case IVTV_YUV_MODE_AUTO: | |
9e0df402 | 660 | if (window->tru_h <= lace_threshold || window->tru_h > 576 || window->tru_w > 720){ |
1a0adaf3 HV |
661 | itv->yuv_info.frame_interlaced = 0; |
662 | if ((window->tru_h < 512) || | |
663 | (window->tru_h > 576 && window->tru_h < 1021) || | |
664 | (window->tru_w > 720 && window->tru_h < 1021)) | |
665 | window->interlaced_y = 0; | |
666 | else | |
667 | window->interlaced_y = 1; | |
668 | ||
669 | if (window->tru_h < 1021 && (window->dst_h >= window->src_h /2)) | |
670 | window->interlaced_uv = 0; | |
671 | else | |
672 | window->interlaced_uv = 1; | |
673 | } | |
674 | else { | |
675 | itv->yuv_info.frame_interlaced = 1; | |
676 | window->interlaced_y = 1; | |
677 | window->interlaced_uv = 1; | |
678 | } | |
679 | break; | |
680 | ||
681 | case IVTV_YUV_MODE_INTERLACED: /* Interlace mode */ | |
682 | default: | |
683 | itv->yuv_info.frame_interlaced = 1; | |
684 | window->interlaced_y = 1; | |
685 | window->interlaced_uv = 1; | |
686 | break; | |
687 | } | |
688 | ||
689 | /* Sorry, but no negative coords for src */ | |
690 | if (window->src_x < 0) window->src_x = 0; | |
691 | if (window->src_y < 0) window->src_y = 0; | |
692 | ||
693 | /* Can only reduce width down to 1/4 original size */ | |
694 | if ((osd_crop = window->src_w - ( 4 * window->dst_w )) > 0) { | |
695 | window->src_x += osd_crop / 2; | |
696 | window->src_w = (window->src_w - osd_crop) & ~3; | |
697 | window->dst_w = window->src_w / 4; | |
698 | window->dst_w += window->dst_w & 1; | |
699 | } | |
700 | ||
701 | /* Can only reduce height down to 1/4 original size */ | |
702 | if (window->src_h / window->dst_h >= 2) { | |
703 | /* Overflow may be because we're running progressive, so force mode switch */ | |
704 | window->interlaced_y = 1; | |
705 | /* Make sure we're still within limits for interlace */ | |
706 | if ((osd_crop = window->src_h - ( 4 * window->dst_h )) > 0) { | |
707 | /* If we reach here we'll have to force the height. */ | |
708 | window->src_y += osd_crop / 2; | |
709 | window->src_h = (window->src_h - osd_crop) & ~3; | |
710 | window->dst_h = window->src_h / 4; | |
711 | window->dst_h += window->dst_h & 1; | |
712 | } | |
713 | } | |
714 | ||
715 | /* If there's nothing to safe to display, we may as well stop now */ | |
716 | if ((int)window->dst_w <= 2 || (int)window->dst_h <= 2 || (int)window->src_w <= 2 || (int)window->src_h <= 2) { | |
0bfeb04a | 717 | return IVTV_YUV_UPDATE_INVALID; |
1a0adaf3 HV |
718 | } |
719 | ||
720 | /* Ensure video remains inside OSD area */ | |
721 | osd_scale = (window->src_h << 16) / window->dst_h; | |
722 | ||
723 | if ((osd_crop = window->pan_y - window->dst_y) > 0) { | |
724 | /* Falls off the upper edge - crop */ | |
725 | window->src_y += (osd_scale * osd_crop) >> 16; | |
726 | window->src_h -= (osd_scale * osd_crop) >> 16; | |
727 | window->dst_h -= osd_crop; | |
728 | window->dst_y = 0; | |
729 | } | |
730 | else { | |
731 | window->dst_y -= window->pan_y; | |
732 | } | |
733 | ||
734 | if ((osd_crop = window->dst_h + window->dst_y - window->vis_h) > 0) { | |
735 | /* Falls off the lower edge - crop */ | |
736 | window->dst_h -= osd_crop; | |
737 | window->src_h -= (osd_scale * osd_crop) >> 16; | |
738 | } | |
739 | ||
740 | osd_scale = (window->src_w << 16) / window->dst_w; | |
741 | ||
742 | if ((osd_crop = window->pan_x - window->dst_x) > 0) { | |
743 | /* Fall off the left edge - crop */ | |
744 | window->src_x += (osd_scale * osd_crop) >> 16; | |
745 | window->src_w -= (osd_scale * osd_crop) >> 16; | |
746 | window->dst_w -= osd_crop; | |
747 | window->dst_x = 0; | |
748 | } | |
749 | else { | |
750 | window->dst_x -= window->pan_x; | |
751 | } | |
752 | ||
753 | if ((osd_crop = window->dst_w + window->dst_x - window->vis_w) > 0) { | |
754 | /* Falls off the right edge - crop */ | |
755 | window->dst_w -= osd_crop; | |
756 | window->src_w -= (osd_scale * osd_crop) >> 16; | |
757 | } | |
758 | ||
759 | /* The OSD can be moved. Track to it */ | |
760 | window->dst_x += itv->yuv_info.osd_x_offset; | |
761 | window->dst_y += itv->yuv_info.osd_y_offset; | |
762 | ||
763 | /* Width & height for both src & dst must be even. | |
764 | Same for coordinates. */ | |
765 | window->dst_w &= ~1; | |
766 | window->dst_x &= ~1; | |
767 | ||
768 | window->src_w += window->src_x & 1; | |
769 | window->src_x &= ~1; | |
770 | ||
771 | window->src_w &= ~1; | |
772 | window->dst_w &= ~1; | |
773 | ||
774 | window->dst_h &= ~1; | |
775 | window->dst_y &= ~1; | |
776 | ||
777 | window->src_h += window->src_y & 1; | |
778 | window->src_y &= ~1; | |
779 | ||
780 | window->src_h &= ~1; | |
781 | window->dst_h &= ~1; | |
782 | ||
783 | /* Due to rounding, we may have reduced the output size to <1/4 of the source | |
784 | Check again, but this time just resize. Don't change source coordinates */ | |
785 | if (window->dst_w < window->src_w / 4) { | |
786 | window->src_w &= ~3; | |
787 | window->dst_w = window->src_w / 4; | |
788 | window->dst_w += window->dst_w & 1; | |
789 | } | |
790 | if (window->dst_h < window->src_h / 4) { | |
791 | window->src_h &= ~3; | |
792 | window->dst_h = window->src_h / 4; | |
793 | window->dst_h += window->dst_h & 1; | |
794 | } | |
795 | ||
796 | /* Check again. If there's nothing to safe to display, stop now */ | |
797 | if ((int)window->dst_w <= 2 || (int)window->dst_h <= 2 || (int)window->src_w <= 2 || (int)window->src_h <= 2) { | |
0bfeb04a | 798 | return IVTV_YUV_UPDATE_INVALID; |
1a0adaf3 HV |
799 | } |
800 | ||
801 | /* Both x offset & width are linked, so they have to be done together */ | |
802 | if ((itv->yuv_info.old_frame_info.dst_w != window->dst_w) || | |
803 | (itv->yuv_info.old_frame_info.src_w != window->src_w) || | |
804 | (itv->yuv_info.old_frame_info.dst_x != window->dst_x) || | |
805 | (itv->yuv_info.old_frame_info.src_x != window->src_x) || | |
806 | (itv->yuv_info.old_frame_info.pan_x != window->pan_x) || | |
807 | (itv->yuv_info.old_frame_info.vis_w != window->vis_w)) { | |
808 | yuv_update |= IVTV_YUV_UPDATE_HORIZONTAL; | |
809 | } | |
810 | ||
811 | if ((itv->yuv_info.old_frame_info.src_h != window->src_h) || | |
812 | (itv->yuv_info.old_frame_info.dst_h != window->dst_h) || | |
813 | (itv->yuv_info.old_frame_info.dst_y != window->dst_y) || | |
814 | (itv->yuv_info.old_frame_info.src_y != window->src_y) || | |
815 | (itv->yuv_info.old_frame_info.pan_y != window->pan_y) || | |
816 | (itv->yuv_info.old_frame_info.vis_h != window->vis_h) || | |
bfd7beac | 817 | (itv->yuv_info.old_frame_info.lace_mode != window->lace_mode) || |
1a0adaf3 HV |
818 | (itv->yuv_info.old_frame_info.interlaced_y != window->interlaced_y) || |
819 | (itv->yuv_info.old_frame_info.interlaced_uv != window->interlaced_uv)) { | |
820 | yuv_update |= IVTV_YUV_UPDATE_VERTICAL; | |
821 | } | |
822 | ||
823 | return yuv_update; | |
824 | } | |
825 | ||
826 | /* Update the scaling register to the requested value */ | |
1e13f9e3 | 827 | void ivtv_yuv_work_handler (struct ivtv *itv) |
1a0adaf3 | 828 | { |
1a0adaf3 HV |
829 | struct yuv_frame_info window; |
830 | u32 yuv_update; | |
831 | ||
832 | int frame = itv->yuv_info.update_frame; | |
833 | ||
834 | /* IVTV_DEBUG_YUV("Update yuv registers for frame %d\n",frame); */ | |
835 | memcpy(&window, &itv->yuv_info.new_frame_info[frame], sizeof (window)); | |
836 | ||
837 | /* Update the osd pan info */ | |
838 | window.pan_x = itv->yuv_info.osd_x_pan; | |
839 | window.pan_y = itv->yuv_info.osd_y_pan; | |
840 | window.vis_w = itv->yuv_info.osd_vis_w; | |
841 | window.vis_h = itv->yuv_info.osd_vis_h; | |
842 | ||
843 | /* Calculate the display window coordinates. Exit if nothing left */ | |
844 | if (!(yuv_update = ivtv_yuv_window_setup (itv, &window))) | |
845 | return; | |
846 | ||
0bfeb04a IA |
847 | if (yuv_update & IVTV_YUV_UPDATE_INVALID) { |
848 | write_reg(0x01008080, 0x2898); | |
849 | } else if (yuv_update) { | |
850 | write_reg(0x00108080, 0x2898); | |
1a0adaf3 | 851 | |
0bfeb04a IA |
852 | if (yuv_update & IVTV_YUV_UPDATE_HORIZONTAL) |
853 | ivtv_yuv_handle_horizontal(itv, &window); | |
854 | ||
855 | if (yuv_update & IVTV_YUV_UPDATE_VERTICAL) | |
856 | ivtv_yuv_handle_vertical(itv, &window); | |
857 | } | |
1a0adaf3 HV |
858 | |
859 | memcpy(&itv->yuv_info.old_frame_info, &window, sizeof (itv->yuv_info.old_frame_info)); | |
860 | } | |
861 | ||
862 | static void ivtv_yuv_init (struct ivtv *itv) | |
863 | { | |
195b1252 IA |
864 | struct yuv_playback_info *yi = &itv->yuv_info; |
865 | ||
1a0adaf3 HV |
866 | IVTV_DEBUG_YUV("ivtv_yuv_init\n"); |
867 | ||
868 | /* Take a snapshot of the current register settings */ | |
195b1252 IA |
869 | yi->reg_2834 = read_reg(0x02834); |
870 | yi->reg_2838 = read_reg(0x02838); | |
871 | yi->reg_283c = read_reg(0x0283c); | |
872 | yi->reg_2840 = read_reg(0x02840); | |
873 | yi->reg_2844 = read_reg(0x02844); | |
874 | yi->reg_2848 = read_reg(0x02848); | |
875 | yi->reg_2854 = read_reg(0x02854); | |
876 | yi->reg_285c = read_reg(0x0285c); | |
877 | yi->reg_2864 = read_reg(0x02864); | |
878 | yi->reg_2870 = read_reg(0x02870); | |
879 | yi->reg_2874 = read_reg(0x02874); | |
880 | yi->reg_2898 = read_reg(0x02898); | |
881 | yi->reg_2890 = read_reg(0x02890); | |
882 | ||
883 | yi->reg_289c = read_reg(0x0289c); | |
884 | yi->reg_2918 = read_reg(0x02918); | |
885 | yi->reg_291c = read_reg(0x0291c); | |
886 | yi->reg_2920 = read_reg(0x02920); | |
887 | yi->reg_2924 = read_reg(0x02924); | |
888 | yi->reg_2928 = read_reg(0x02928); | |
889 | yi->reg_292c = read_reg(0x0292c); | |
890 | yi->reg_2930 = read_reg(0x02930); | |
891 | yi->reg_2934 = read_reg(0x02934); | |
892 | yi->reg_2938 = read_reg(0x02938); | |
893 | yi->reg_293c = read_reg(0x0293c); | |
894 | yi->reg_2940 = read_reg(0x02940); | |
895 | yi->reg_2944 = read_reg(0x02944); | |
896 | yi->reg_2948 = read_reg(0x02948); | |
897 | yi->reg_294c = read_reg(0x0294c); | |
898 | yi->reg_2950 = read_reg(0x02950); | |
899 | yi->reg_2954 = read_reg(0x02954); | |
900 | yi->reg_2958 = read_reg(0x02958); | |
901 | yi->reg_295c = read_reg(0x0295c); | |
902 | yi->reg_2960 = read_reg(0x02960); | |
903 | yi->reg_2964 = read_reg(0x02964); | |
904 | yi->reg_2968 = read_reg(0x02968); | |
905 | yi->reg_296c = read_reg(0x0296c); | |
906 | yi->reg_2970 = read_reg(0x02970); | |
907 | ||
908 | yi->v_filter_1 = -1; | |
909 | yi->v_filter_2 = -1; | |
910 | yi->h_filter = -1; | |
1a0adaf3 HV |
911 | |
912 | /* Set some valid size info */ | |
195b1252 IA |
913 | yi->osd_x_offset = read_reg(0x02a04) & 0x00000FFF; |
914 | yi->osd_y_offset = (read_reg(0x02a04) >> 16) & 0x00000FFF; | |
1a0adaf3 HV |
915 | |
916 | /* Bit 2 of reg 2878 indicates current decoder output format | |
917 | 0 : NTSC 1 : PAL */ | |
918 | if (read_reg(0x2878) & 4) | |
195b1252 | 919 | yi->decode_height = 576; |
1a0adaf3 | 920 | else |
195b1252 | 921 | yi->decode_height = 480; |
b4b38bd6 | 922 | |
195b1252 IA |
923 | if (!itv->osd_info) { |
924 | yi->osd_vis_w = 720 - yi->osd_x_offset; | |
925 | yi->osd_vis_h = yi->decode_height - yi->osd_y_offset; | |
b4b38bd6 | 926 | } else { |
195b1252 IA |
927 | /* If no visible size set, assume full size */ |
928 | if (!yi->osd_vis_w) | |
929 | yi->osd_vis_w = 720 - yi->osd_x_offset; | |
930 | ||
931 | if (!yi->osd_vis_h) | |
932 | yi->osd_vis_h = yi->decode_height - yi->osd_y_offset; | |
933 | else { | |
934 | /* If output video standard has changed, requested height may | |
935 | not be legal */ | |
936 | if (yi->osd_vis_h + yi->osd_y_offset > yi->decode_height) { | |
937 | IVTV_DEBUG_WARN("Clipping yuv output - fb size (%d) exceeds video standard limit (%d)\n", | |
938 | yi->osd_vis_h + yi->osd_y_offset, | |
939 | yi->decode_height); | |
940 | yi->osd_vis_h = yi->decode_height - yi->osd_y_offset; | |
941 | } | |
b4b38bd6 IA |
942 | } |
943 | } | |
1a0adaf3 HV |
944 | |
945 | /* We need a buffer for blanking when Y plane is offset - non-fatal if we can't get one */ | |
195b1252 IA |
946 | yi->blanking_ptr = kzalloc(720*16, GFP_KERNEL); |
947 | if (yi->blanking_ptr) | |
948 | yi->blanking_dmaptr = pci_map_single(itv->dev, yi->blanking_ptr, 720*16, PCI_DMA_TODEVICE); | |
1a0adaf3 | 949 | else { |
195b1252 IA |
950 | yi->blanking_dmaptr = 0; |
951 | IVTV_DEBUG_WARN("Failed to allocate yuv blanking buffer\n"); | |
1a0adaf3 HV |
952 | } |
953 | ||
1a0adaf3 HV |
954 | /* Enable YUV decoder output */ |
955 | write_reg_sync(0x01, IVTV_REG_VDM); | |
956 | ||
957 | set_bit(IVTV_F_I_DECODING_YUV, &itv->i_flags); | |
195b1252 | 958 | atomic_set(&yi->next_dma_frame, 0); |
1a0adaf3 HV |
959 | } |
960 | ||
a3e5f5e2 IA |
961 | /* Get next available yuv buffer on PVR350 */ |
962 | void ivtv_yuv_next_free(struct ivtv *itv) | |
1a0adaf3 | 963 | { |
a3e5f5e2 IA |
964 | int draw, display; |
965 | struct yuv_playback_info *yi = &itv->yuv_info; | |
1a0adaf3 | 966 | |
a3e5f5e2 IA |
967 | if (atomic_read(&yi->next_dma_frame) == -1) |
968 | ivtv_yuv_init(itv); | |
1a0adaf3 | 969 | |
a3e5f5e2 IA |
970 | draw = atomic_read(&yi->next_fill_frame); |
971 | display = atomic_read(&yi->next_dma_frame); | |
1a0adaf3 | 972 | |
a3e5f5e2 IA |
973 | if (display > draw) |
974 | display -= IVTV_YUV_BUFFERS; | |
1a0adaf3 | 975 | |
a3e5f5e2 IA |
976 | if (draw - display >= yi->max_frames_buffered) |
977 | draw = (u8)(draw - 1) % IVTV_YUV_BUFFERS; | |
978 | else | |
979 | yi->new_frame_info[draw].update = 0; | |
980 | ||
981 | yi->draw_frame = draw; | |
982 | } | |
983 | ||
984 | /* Set up frame according to ivtv_dma_frame parameters */ | |
985 | void ivtv_yuv_setup_frame(struct ivtv *itv, struct ivtv_dma_frame *args) | |
986 | { | |
987 | struct yuv_playback_info *yi = &itv->yuv_info; | |
988 | u8 frame = yi->draw_frame; | |
989 | ||
990 | /* Preserve old update flag in case we're overwriting a queued frame */ | |
991 | int register_update = yi->new_frame_info[frame].update; | |
1a0adaf3 HV |
992 | |
993 | /* Take a snapshot of the yuv coordinate information */ | |
a3e5f5e2 IA |
994 | yi->new_frame_info[frame].src_x = args->src.left; |
995 | yi->new_frame_info[frame].src_y = args->src.top; | |
996 | yi->new_frame_info[frame].src_w = args->src.width; | |
997 | yi->new_frame_info[frame].src_h = args->src.height; | |
998 | yi->new_frame_info[frame].dst_x = args->dst.left; | |
999 | yi->new_frame_info[frame].dst_y = args->dst.top; | |
1000 | yi->new_frame_info[frame].dst_w = args->dst.width; | |
1001 | yi->new_frame_info[frame].dst_h = args->dst.height; | |
1002 | yi->new_frame_info[frame].tru_x = args->dst.left; | |
1003 | yi->new_frame_info[frame].tru_w = args->src_width; | |
1004 | yi->new_frame_info[frame].tru_h = args->src_height; | |
1a0adaf3 | 1005 | |
bfd7beac | 1006 | /* Snapshot field order */ |
a3e5f5e2 | 1007 | yi->sync_field[frame] = yi->lace_sync_field; |
bfd7beac | 1008 | |
1a0adaf3 HV |
1009 | /* Are we going to offset the Y plane */ |
1010 | if (args->src.height + args->src.top < 512-16) | |
a3e5f5e2 | 1011 | yi->new_frame_info[frame].offset_y = 1; |
1a0adaf3 | 1012 | else |
a3e5f5e2 | 1013 | yi->new_frame_info[frame].offset_y = 0; |
1a0adaf3 HV |
1014 | |
1015 | /* Snapshot the osd pan info */ | |
a3e5f5e2 IA |
1016 | yi->new_frame_info[frame].pan_x = yi->osd_x_pan; |
1017 | yi->new_frame_info[frame].pan_y = yi->osd_y_pan; | |
1018 | yi->new_frame_info[frame].vis_w = yi->osd_vis_w; | |
1019 | yi->new_frame_info[frame].vis_h = yi->osd_vis_h; | |
1020 | ||
1021 | yi->new_frame_info[frame].update = 0; | |
1022 | yi->new_frame_info[frame].interlaced_y = 0; | |
1023 | yi->new_frame_info[frame].interlaced_uv = 0; | |
1024 | yi->new_frame_info[frame].lace_mode = yi->lace_mode; | |
1025 | ||
1026 | if (memcmp(&yi->old_frame_info_args, &yi->new_frame_info[frame], | |
1027 | sizeof(yi->new_frame_info[frame]))) { | |
1028 | yi->old_frame_info_args = yi->new_frame_info[frame]; | |
1029 | yi->new_frame_info[frame].update = 1; | |
1030 | /* IVTV_DEBUG_YUV ("Requesting register update for frame %d\n",frame); */ | |
1a0adaf3 HV |
1031 | } |
1032 | ||
a3e5f5e2 | 1033 | yi->new_frame_info[frame].update |= register_update; |
943e8910 | 1034 | |
bfd7beac | 1035 | /* Should this frame be delayed ? */ |
a3e5f5e2 IA |
1036 | if (yi->sync_field[frame] != |
1037 | yi->sync_field[(frame - 1) % IVTV_YUV_BUFFERS]) | |
1038 | yi->field_delay[frame] = 1; | |
bfd7beac | 1039 | else |
a3e5f5e2 IA |
1040 | yi->field_delay[frame] = 0; |
1041 | } | |
1042 | ||
1043 | /* Frame is complete & ready for display */ | |
1044 | void ivtv_yuv_frame_complete(struct ivtv *itv) | |
1045 | { | |
1046 | atomic_set(&itv->yuv_info.next_fill_frame, | |
1047 | (itv->yuv_info.draw_frame + 1) % IVTV_YUV_BUFFERS); | |
1048 | } | |
1049 | ||
1050 | int ivtv_yuv_prep_frame(struct ivtv *itv, struct ivtv_dma_frame *args) | |
1051 | { | |
1052 | DEFINE_WAIT(wait); | |
1053 | int rc = 0; | |
1054 | int got_sig = 0; | |
1055 | ||
1056 | IVTV_DEBUG_INFO("yuv_prep_frame\n"); | |
1057 | ||
1058 | ivtv_yuv_next_free(itv); | |
1059 | ivtv_yuv_setup_frame(itv, args); | |
bfd7beac | 1060 | |
1a0adaf3 HV |
1061 | /* DMA the frame */ |
1062 | mutex_lock(&itv->udma.lock); | |
1063 | ||
1064 | if ((rc = ivtv_yuv_prep_user_dma(itv, &itv->udma, args)) != 0) { | |
1065 | mutex_unlock(&itv->udma.lock); | |
1066 | return rc; | |
1067 | } | |
1068 | ||
1069 | ivtv_udma_prepare(itv); | |
1070 | prepare_to_wait(&itv->dma_waitq, &wait, TASK_INTERRUPTIBLE); | |
1071 | /* if no UDMA is pending and no UDMA is in progress, then the DMA | |
1072 | is finished */ | |
1073 | while (itv->i_flags & (IVTV_F_I_UDMA_PENDING | IVTV_F_I_UDMA)) { | |
1074 | /* don't interrupt if the DMA is in progress but break off | |
1075 | a still pending DMA. */ | |
1076 | got_sig = signal_pending(current); | |
1077 | if (got_sig && test_and_clear_bit(IVTV_F_I_UDMA_PENDING, &itv->i_flags)) | |
1078 | break; | |
1079 | got_sig = 0; | |
1080 | schedule(); | |
1081 | } | |
1082 | finish_wait(&itv->dma_waitq, &wait); | |
1083 | ||
1084 | /* Unmap Last DMA Xfer */ | |
1085 | ivtv_udma_unmap(itv); | |
1086 | ||
1087 | if (got_sig) { | |
1088 | IVTV_DEBUG_INFO("User stopped YUV UDMA\n"); | |
1089 | mutex_unlock(&itv->udma.lock); | |
1090 | return -EINTR; | |
1091 | } | |
1092 | ||
a3e5f5e2 | 1093 | ivtv_yuv_frame_complete(itv); |
1a0adaf3 HV |
1094 | |
1095 | mutex_unlock(&itv->udma.lock); | |
1096 | return rc; | |
1097 | } | |
1098 | ||
1099 | void ivtv_yuv_close(struct ivtv *itv) | |
1100 | { | |
1101 | int h_filter, v_filter_1, v_filter_2; | |
1102 | ||
1103 | IVTV_DEBUG_YUV("ivtv_yuv_close\n"); | |
1104 | ivtv_waitq(&itv->vsync_waitq); | |
1105 | ||
1106 | atomic_set(&itv->yuv_info.next_dma_frame, -1); | |
1107 | atomic_set(&itv->yuv_info.next_fill_frame, 0); | |
1108 | ||
1109 | /* Reset registers we have changed so mpeg playback works */ | |
1110 | ||
1111 | /* If we fully restore this register, the display may remain active. | |
1112 | Restore, but set one bit to blank the video. Firmware will always | |
1113 | clear this bit when needed, so not a problem. */ | |
1114 | write_reg(itv->yuv_info.reg_2898 | 0x01000000, 0x2898); | |
1115 | ||
1116 | write_reg(itv->yuv_info.reg_2834, 0x02834); | |
1117 | write_reg(itv->yuv_info.reg_2838, 0x02838); | |
1118 | write_reg(itv->yuv_info.reg_283c, 0x0283c); | |
1119 | write_reg(itv->yuv_info.reg_2840, 0x02840); | |
1120 | write_reg(itv->yuv_info.reg_2844, 0x02844); | |
1121 | write_reg(itv->yuv_info.reg_2848, 0x02848); | |
1122 | write_reg(itv->yuv_info.reg_2854, 0x02854); | |
1123 | write_reg(itv->yuv_info.reg_285c, 0x0285c); | |
1124 | write_reg(itv->yuv_info.reg_2864, 0x02864); | |
1125 | write_reg(itv->yuv_info.reg_2870, 0x02870); | |
1126 | write_reg(itv->yuv_info.reg_2874, 0x02874); | |
1127 | write_reg(itv->yuv_info.reg_2890, 0x02890); | |
1128 | write_reg(itv->yuv_info.reg_289c, 0x0289c); | |
1129 | ||
1130 | write_reg(itv->yuv_info.reg_2918, 0x02918); | |
1131 | write_reg(itv->yuv_info.reg_291c, 0x0291c); | |
1132 | write_reg(itv->yuv_info.reg_2920, 0x02920); | |
1133 | write_reg(itv->yuv_info.reg_2924, 0x02924); | |
1134 | write_reg(itv->yuv_info.reg_2928, 0x02928); | |
1135 | write_reg(itv->yuv_info.reg_292c, 0x0292c); | |
1136 | write_reg(itv->yuv_info.reg_2930, 0x02930); | |
1137 | write_reg(itv->yuv_info.reg_2934, 0x02934); | |
1138 | write_reg(itv->yuv_info.reg_2938, 0x02938); | |
1139 | write_reg(itv->yuv_info.reg_293c, 0x0293c); | |
1140 | write_reg(itv->yuv_info.reg_2940, 0x02940); | |
1141 | write_reg(itv->yuv_info.reg_2944, 0x02944); | |
1142 | write_reg(itv->yuv_info.reg_2948, 0x02948); | |
1143 | write_reg(itv->yuv_info.reg_294c, 0x0294c); | |
1144 | write_reg(itv->yuv_info.reg_2950, 0x02950); | |
1145 | write_reg(itv->yuv_info.reg_2954, 0x02954); | |
1146 | write_reg(itv->yuv_info.reg_2958, 0x02958); | |
1147 | write_reg(itv->yuv_info.reg_295c, 0x0295c); | |
1148 | write_reg(itv->yuv_info.reg_2960, 0x02960); | |
1149 | write_reg(itv->yuv_info.reg_2964, 0x02964); | |
1150 | write_reg(itv->yuv_info.reg_2968, 0x02968); | |
1151 | write_reg(itv->yuv_info.reg_296c, 0x0296c); | |
1152 | write_reg(itv->yuv_info.reg_2970, 0x02970); | |
1153 | ||
1154 | /* Prepare to restore filters */ | |
1155 | ||
1156 | /* First the horizontal filter */ | |
1157 | if ((itv->yuv_info.reg_2834 & 0x0000FFFF) == (itv->yuv_info.reg_2834 >> 16)) { | |
1158 | /* An exact size match uses filter 0 */ | |
1159 | h_filter = 0; | |
1160 | } | |
1161 | else { | |
1162 | /* Figure out which filter to use */ | |
1163 | h_filter = ((itv->yuv_info.reg_2834 << 16) / (itv->yuv_info.reg_2834 >> 16)) >> 15; | |
1164 | h_filter = (h_filter >> 1) + (h_filter & 1); | |
1165 | /* Only an exact size match can use filter 0. */ | |
1166 | if (h_filter < 1) h_filter = 1; | |
1167 | } | |
1168 | ||
1169 | /* Now the vertical filter */ | |
1170 | if ((itv->yuv_info.reg_2918 & 0x0000FFFF) == (itv->yuv_info.reg_2918 >> 16)) { | |
1171 | /* An exact size match uses filter 0/1 */ | |
1172 | v_filter_1 = 0; | |
1173 | v_filter_2 = 1; | |
1174 | } | |
1175 | else { | |
1176 | /* Figure out which filter to use */ | |
1177 | v_filter_1 = ((itv->yuv_info.reg_2918 << 16) / (itv->yuv_info.reg_2918 >> 16)) >> 15; | |
1178 | v_filter_1 = (v_filter_1 >> 1) + (v_filter_1 & 1); | |
1179 | /* Only an exact size match can use filter 0 */ | |
1180 | if (v_filter_1 == 0) v_filter_1 = 1; | |
1181 | v_filter_2 = v_filter_1; | |
1182 | } | |
1183 | ||
1184 | /* Now restore the filters */ | |
1185 | ivtv_yuv_filter (itv,h_filter,v_filter_1,v_filter_2); | |
1186 | ||
1187 | /* and clear a few registers */ | |
1188 | write_reg(0, 0x02814); | |
1189 | write_reg(0, 0x0282c); | |
1190 | write_reg(0, 0x02904); | |
1191 | write_reg(0, 0x02910); | |
1192 | ||
1193 | /* Release the blanking buffer */ | |
1194 | if (itv->yuv_info.blanking_ptr) { | |
1195 | kfree (itv->yuv_info.blanking_ptr); | |
1196 | itv->yuv_info.blanking_ptr = NULL; | |
1197 | pci_unmap_single(itv->dev, itv->yuv_info.blanking_dmaptr, 720*16, PCI_DMA_TODEVICE); | |
1198 | } | |
1199 | ||
1200 | /* Invalidate the old dimension information */ | |
1201 | itv->yuv_info.old_frame_info.src_w = 0; | |
1202 | itv->yuv_info.old_frame_info.src_h = 0; | |
1203 | itv->yuv_info.old_frame_info_args.src_w = 0; | |
1204 | itv->yuv_info.old_frame_info_args.src_h = 0; | |
1205 | ||
1206 | /* All done. */ | |
1207 | clear_bit(IVTV_F_I_DECODING_YUV, &itv->i_flags); | |
1208 | } | |
1209 |