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1da177e4 LT |
1 | /* |
2 | * Zoran zr36057/zr36067 PCI controller driver, for the | |
3 | * Pinnacle/Miro DC10/DC10+/DC30/DC30+, Iomega Buz, Linux | |
4 | * Media Labs LML33/LML33R10. | |
5 | * | |
6 | * This part handles device access (PCI/I2C/codec/...) | |
d56410e0 | 7 | * |
1da177e4 LT |
8 | * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx> |
9 | * | |
10 | * Currently maintained by: | |
11 | * Ronald Bultje <rbultje@ronald.bitfreak.net> | |
12 | * Laurent Pinchart <laurent.pinchart@skynet.be> | |
13 | * Mailinglist <mjpeg-users@lists.sf.net> | |
14 | * | |
15 | * This program is free software; you can redistribute it and/or modify | |
16 | * it under the terms of the GNU General Public License as published by | |
17 | * the Free Software Foundation; either version 2 of the License, or | |
18 | * (at your option) any later version. | |
19 | * | |
20 | * This program is distributed in the hope that it will be useful, | |
21 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
22 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
23 | * GNU General Public License for more details. | |
24 | * | |
25 | * You should have received a copy of the GNU General Public License | |
26 | * along with this program; if not, write to the Free Software | |
27 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
28 | */ | |
29 | ||
1da177e4 LT |
30 | #include <linux/types.h> |
31 | #include <linux/kernel.h> | |
32 | #include <linux/module.h> | |
33 | #include <linux/vmalloc.h> | |
1da177e4 LT |
34 | |
35 | #include <linux/interrupt.h> | |
36 | #include <linux/proc_fs.h> | |
37 | #include <linux/i2c.h> | |
38 | #include <linux/i2c-algo-bit.h> | |
39 | #include <linux/videodev.h> | |
40 | #include <linux/spinlock.h> | |
41 | #include <linux/sem.h> | |
42 | ||
43 | #include <linux/pci.h> | |
44 | #include <linux/video_decoder.h> | |
45 | #include <linux/video_encoder.h> | |
46 | #include <linux/delay.h> | |
47 | #include <linux/wait.h> | |
48 | ||
9a6ab769 | 49 | #include <asm/byteorder.h> |
1da177e4 LT |
50 | #include <asm/io.h> |
51 | ||
52 | #include "videocodec.h" | |
53 | #include "zoran.h" | |
54 | #include "zoran_device.h" | |
18b548ca | 55 | #include "zoran_card.h" |
1da177e4 LT |
56 | |
57 | #define IRQ_MASK ( ZR36057_ISR_GIRQ0 | \ | |
58 | ZR36057_ISR_GIRQ1 | \ | |
59 | ZR36057_ISR_JPEGRepIRQ ) | |
60 | ||
ff699e6b DSL |
61 | static int lml33dpath; /* default = 0 |
62 | * 1 will use digital path in capture | |
1da177e4 LT |
63 | * mode instead of analog. It can be |
64 | * used for picture adjustments using | |
65 | * tool like xawtv while watching image | |
66 | * on TV monitor connected to the output. | |
67 | * However, due to absence of 75 Ohm | |
68 | * load on Bt819 input, there will be | |
69 | * some image imperfections */ | |
70 | ||
60e3cac4 | 71 | module_param(lml33dpath, bool, 0644); |
1da177e4 LT |
72 | MODULE_PARM_DESC(lml33dpath, |
73 | "Use digital path capture mode (on LML33 cards)"); | |
74 | ||
75 | static void | |
76 | zr36057_init_vfe (struct zoran *zr); | |
77 | ||
78 | /* | |
79 | * General Purpose I/O and Guest bus access | |
80 | */ | |
81 | ||
82 | /* | |
83 | * This is a bit tricky. When a board lacks a GPIO function, the corresponding | |
84 | * GPIO bit number in the card_info structure is set to 0. | |
85 | */ | |
86 | ||
87 | void | |
88 | GPIO (struct zoran *zr, | |
89 | int bit, | |
90 | unsigned int value) | |
91 | { | |
92 | u32 reg; | |
93 | u32 mask; | |
94 | ||
95 | /* Make sure the bit number is legal | |
96 | * A bit number of -1 (lacking) gives a mask of 0, | |
97 | * making it harmless */ | |
98 | mask = (1 << (24 + bit)) & 0xff000000; | |
99 | reg = btread(ZR36057_GPPGCR1) & ~mask; | |
100 | if (value) { | |
101 | reg |= mask; | |
102 | } | |
103 | btwrite(reg, ZR36057_GPPGCR1); | |
104 | udelay(1); | |
105 | } | |
106 | ||
107 | /* | |
108 | * Wait til post office is no longer busy | |
109 | */ | |
110 | ||
111 | int | |
112 | post_office_wait (struct zoran *zr) | |
113 | { | |
114 | u32 por; | |
115 | ||
116 | // while (((por = btread(ZR36057_POR)) & (ZR36057_POR_POPen | ZR36057_POR_POTime)) == ZR36057_POR_POPen) { | |
117 | while ((por = btread(ZR36057_POR)) & ZR36057_POR_POPen) { | |
118 | /* wait for something to happen */ | |
119 | } | |
120 | if ((por & ZR36057_POR_POTime) && !zr->card.gws_not_connected) { | |
121 | /* In LML33/BUZ \GWS line is not connected, so it has always timeout set */ | |
122 | dprintk(1, KERN_INFO "%s: pop timeout %08x\n", ZR_DEVNAME(zr), | |
123 | por); | |
124 | return -1; | |
125 | } | |
126 | ||
127 | return 0; | |
128 | } | |
129 | ||
130 | int | |
131 | post_office_write (struct zoran *zr, | |
132 | unsigned int guest, | |
133 | unsigned int reg, | |
134 | unsigned int value) | |
135 | { | |
136 | u32 por; | |
137 | ||
138 | por = | |
139 | ZR36057_POR_PODir | ZR36057_POR_POTime | ((guest & 7) << 20) | | |
140 | ((reg & 7) << 16) | (value & 0xFF); | |
141 | btwrite(por, ZR36057_POR); | |
142 | ||
143 | return post_office_wait(zr); | |
144 | } | |
145 | ||
146 | int | |
147 | post_office_read (struct zoran *zr, | |
148 | unsigned int guest, | |
149 | unsigned int reg) | |
150 | { | |
151 | u32 por; | |
152 | ||
153 | por = ZR36057_POR_POTime | ((guest & 7) << 20) | ((reg & 7) << 16); | |
154 | btwrite(por, ZR36057_POR); | |
155 | if (post_office_wait(zr) < 0) { | |
156 | return -1; | |
157 | } | |
158 | ||
159 | return btread(ZR36057_POR) & 0xFF; | |
160 | } | |
161 | ||
162 | /* | |
163 | * detect guests | |
164 | */ | |
165 | ||
166 | static void | |
167 | dump_guests (struct zoran *zr) | |
168 | { | |
18b548ca | 169 | if (zr36067_debug > 2) { |
1da177e4 LT |
170 | int i, guest[8]; |
171 | ||
172 | for (i = 1; i < 8; i++) { // Don't read jpeg codec here | |
173 | guest[i] = post_office_read(zr, i, 0); | |
174 | } | |
175 | ||
176 | printk(KERN_INFO "%s: Guests:", ZR_DEVNAME(zr)); | |
177 | ||
178 | for (i = 1; i < 8; i++) { | |
179 | printk(" 0x%02x", guest[i]); | |
180 | } | |
181 | printk("\n"); | |
182 | } | |
183 | } | |
184 | ||
185 | static inline unsigned long | |
186 | get_time (void) | |
187 | { | |
188 | struct timeval tv; | |
189 | ||
190 | do_gettimeofday(&tv); | |
191 | return (1000000 * tv.tv_sec + tv.tv_usec); | |
192 | } | |
193 | ||
194 | void | |
195 | detect_guest_activity (struct zoran *zr) | |
196 | { | |
197 | int timeout, i, j, res, guest[8], guest0[8], change[8][3]; | |
198 | unsigned long t0, t1; | |
199 | ||
200 | dump_guests(zr); | |
201 | printk(KERN_INFO "%s: Detecting guests activity, please wait...\n", | |
202 | ZR_DEVNAME(zr)); | |
203 | for (i = 1; i < 8; i++) { // Don't read jpeg codec here | |
204 | guest0[i] = guest[i] = post_office_read(zr, i, 0); | |
205 | } | |
206 | ||
207 | timeout = 0; | |
208 | j = 0; | |
209 | t0 = get_time(); | |
210 | while (timeout < 10000) { | |
211 | udelay(10); | |
212 | timeout++; | |
213 | for (i = 1; (i < 8) && (j < 8); i++) { | |
214 | res = post_office_read(zr, i, 0); | |
215 | if (res != guest[i]) { | |
216 | t1 = get_time(); | |
217 | change[j][0] = (t1 - t0); | |
218 | t0 = t1; | |
219 | change[j][1] = i; | |
220 | change[j][2] = res; | |
221 | j++; | |
222 | guest[i] = res; | |
223 | } | |
224 | } | |
225 | if (j >= 8) | |
226 | break; | |
227 | } | |
228 | printk(KERN_INFO "%s: Guests:", ZR_DEVNAME(zr)); | |
229 | ||
230 | for (i = 1; i < 8; i++) { | |
231 | printk(" 0x%02x", guest0[i]); | |
232 | } | |
233 | printk("\n"); | |
234 | if (j == 0) { | |
235 | printk(KERN_INFO "%s: No activity detected.\n", ZR_DEVNAME(zr)); | |
236 | return; | |
237 | } | |
238 | for (i = 0; i < j; i++) { | |
239 | printk(KERN_INFO "%s: %6d: %d => 0x%02x\n", ZR_DEVNAME(zr), | |
240 | change[i][0], change[i][1], change[i][2]); | |
241 | } | |
242 | } | |
243 | ||
244 | /* | |
245 | * JPEG Codec access | |
246 | */ | |
247 | ||
248 | void | |
249 | jpeg_codec_sleep (struct zoran *zr, | |
250 | int sleep) | |
251 | { | |
6165894f | 252 | GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_SLEEP], !sleep); |
1da177e4 LT |
253 | if (!sleep) { |
254 | dprintk(3, | |
255 | KERN_DEBUG | |
256 | "%s: jpeg_codec_sleep() - wake GPIO=0x%08x\n", | |
257 | ZR_DEVNAME(zr), btread(ZR36057_GPPGCR1)); | |
258 | udelay(500); | |
259 | } else { | |
260 | dprintk(3, | |
261 | KERN_DEBUG | |
262 | "%s: jpeg_codec_sleep() - sleep GPIO=0x%08x\n", | |
263 | ZR_DEVNAME(zr), btread(ZR36057_GPPGCR1)); | |
264 | udelay(2); | |
265 | } | |
266 | } | |
267 | ||
268 | int | |
269 | jpeg_codec_reset (struct zoran *zr) | |
270 | { | |
271 | /* Take the codec out of sleep */ | |
272 | jpeg_codec_sleep(zr, 0); | |
273 | ||
274 | if (zr->card.gpcs[GPCS_JPEG_RESET] != 0xff) { | |
275 | post_office_write(zr, zr->card.gpcs[GPCS_JPEG_RESET], 0, | |
276 | 0); | |
277 | udelay(2); | |
278 | } else { | |
6165894f | 279 | GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_RESET], 0); |
1da177e4 | 280 | udelay(2); |
6165894f | 281 | GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_RESET], 1); |
1da177e4 LT |
282 | udelay(2); |
283 | } | |
284 | ||
285 | return 0; | |
286 | } | |
287 | ||
288 | /* | |
289 | * Set the registers for the size we have specified. Don't bother | |
290 | * trying to understand this without the ZR36057 manual in front of | |
291 | * you [AC]. | |
292 | * | |
293 | * PS: The manual is free for download in .pdf format from | |
294 | * www.zoran.com - nicely done those folks. | |
295 | */ | |
296 | ||
297 | static void | |
298 | zr36057_adjust_vfe (struct zoran *zr, | |
299 | enum zoran_codec_mode mode) | |
300 | { | |
301 | u32 reg; | |
302 | ||
303 | switch (mode) { | |
304 | case BUZ_MODE_MOTION_DECOMPRESS: | |
305 | btand(~ZR36057_VFESPFR_ExtFl, ZR36057_VFESPFR); | |
306 | reg = btread(ZR36057_VFEHCR); | |
307 | if ((reg & (1 << 10)) && zr->card.type != LML33R10) { | |
308 | reg += ((1 << 10) | 1); | |
309 | } | |
310 | btwrite(reg, ZR36057_VFEHCR); | |
311 | break; | |
312 | case BUZ_MODE_MOTION_COMPRESS: | |
313 | case BUZ_MODE_IDLE: | |
314 | default: | |
315 | if (zr->norm == VIDEO_MODE_NTSC || | |
316 | (zr->card.type == LML33R10 && | |
317 | zr->norm == VIDEO_MODE_PAL)) | |
318 | btand(~ZR36057_VFESPFR_ExtFl, ZR36057_VFESPFR); | |
319 | else | |
320 | btor(ZR36057_VFESPFR_ExtFl, ZR36057_VFESPFR); | |
321 | reg = btread(ZR36057_VFEHCR); | |
322 | if (!(reg & (1 << 10)) && zr->card.type != LML33R10) { | |
323 | reg -= ((1 << 10) | 1); | |
324 | } | |
325 | btwrite(reg, ZR36057_VFEHCR); | |
326 | break; | |
327 | } | |
328 | } | |
329 | ||
330 | /* | |
331 | * set geometry | |
332 | */ | |
333 | ||
334 | static void | |
335 | zr36057_set_vfe (struct zoran *zr, | |
336 | int video_width, | |
337 | int video_height, | |
338 | const struct zoran_format *format) | |
339 | { | |
340 | struct tvnorm *tvn; | |
341 | unsigned HStart, HEnd, VStart, VEnd; | |
342 | unsigned DispMode; | |
343 | unsigned VidWinWid, VidWinHt; | |
344 | unsigned hcrop1, hcrop2, vcrop1, vcrop2; | |
345 | unsigned Wa, We, Ha, He; | |
346 | unsigned X, Y, HorDcm, VerDcm; | |
347 | u32 reg; | |
348 | unsigned mask_line_size; | |
349 | ||
350 | tvn = zr->timing; | |
351 | ||
352 | Wa = tvn->Wa; | |
353 | Ha = tvn->Ha; | |
354 | ||
355 | dprintk(2, KERN_INFO "%s: set_vfe() - width = %d, height = %d\n", | |
356 | ZR_DEVNAME(zr), video_width, video_height); | |
357 | ||
358 | if (zr->norm != VIDEO_MODE_PAL && | |
359 | zr->norm != VIDEO_MODE_NTSC && | |
360 | zr->norm != VIDEO_MODE_SECAM) { | |
361 | dprintk(1, | |
362 | KERN_ERR "%s: set_vfe() - norm = %d not valid\n", | |
363 | ZR_DEVNAME(zr), zr->norm); | |
364 | return; | |
365 | } | |
366 | if (video_width < BUZ_MIN_WIDTH || | |
367 | video_height < BUZ_MIN_HEIGHT || | |
368 | video_width > Wa || video_height > Ha) { | |
369 | dprintk(1, KERN_ERR "%s: set_vfe: w=%d h=%d not valid\n", | |
370 | ZR_DEVNAME(zr), video_width, video_height); | |
371 | return; | |
372 | } | |
373 | ||
374 | /**** zr36057 ****/ | |
375 | ||
376 | /* horizontal */ | |
377 | VidWinWid = video_width; | |
e9e24cee | 378 | X = DIV_ROUND_UP(VidWinWid * 64, tvn->Wa); |
1da177e4 LT |
379 | We = (VidWinWid * 64) / X; |
380 | HorDcm = 64 - X; | |
381 | hcrop1 = 2 * ((tvn->Wa - We) / 4); | |
382 | hcrop2 = tvn->Wa - We - hcrop1; | |
383 | HStart = tvn->HStart ? tvn->HStart : 1; | |
384 | /* (Ronald) Original comment: | |
385 | * "| 1 Doesn't have any effect, tested on both a DC10 and a DC10+" | |
386 | * this is false. It inverses chroma values on the LML33R10 (so Cr | |
387 | * suddenly is shown as Cb and reverse, really cool effect if you | |
388 | * want to see blue faces, not useful otherwise). So don't use |1. | |
389 | * However, the DC10 has '0' as HStart, but does need |1, so we | |
390 | * use a dirty check... | |
391 | */ | |
392 | HEnd = HStart + tvn->Wa - 1; | |
393 | HStart += hcrop1; | |
394 | HEnd -= hcrop2; | |
395 | reg = ((HStart & ZR36057_VFEHCR_Hmask) << ZR36057_VFEHCR_HStart) | |
396 | | ((HEnd & ZR36057_VFEHCR_Hmask) << ZR36057_VFEHCR_HEnd); | |
397 | if (zr->card.vfe_pol.hsync_pol) | |
398 | reg |= ZR36057_VFEHCR_HSPol; | |
399 | btwrite(reg, ZR36057_VFEHCR); | |
400 | ||
401 | /* Vertical */ | |
402 | DispMode = !(video_height > BUZ_MAX_HEIGHT / 2); | |
403 | VidWinHt = DispMode ? video_height : video_height / 2; | |
e9e24cee | 404 | Y = DIV_ROUND_UP(VidWinHt * 64 * 2, tvn->Ha); |
1da177e4 LT |
405 | He = (VidWinHt * 64) / Y; |
406 | VerDcm = 64 - Y; | |
407 | vcrop1 = (tvn->Ha / 2 - He) / 2; | |
408 | vcrop2 = tvn->Ha / 2 - He - vcrop1; | |
409 | VStart = tvn->VStart; | |
410 | VEnd = VStart + tvn->Ha / 2; // - 1; FIXME SnapShot times out with -1 in 768*576 on the DC10 - LP | |
411 | VStart += vcrop1; | |
412 | VEnd -= vcrop2; | |
413 | reg = ((VStart & ZR36057_VFEVCR_Vmask) << ZR36057_VFEVCR_VStart) | |
414 | | ((VEnd & ZR36057_VFEVCR_Vmask) << ZR36057_VFEVCR_VEnd); | |
415 | if (zr->card.vfe_pol.vsync_pol) | |
416 | reg |= ZR36057_VFEVCR_VSPol; | |
417 | btwrite(reg, ZR36057_VFEVCR); | |
418 | ||
419 | /* scaler and pixel format */ | |
420 | reg = 0; | |
421 | reg |= (HorDcm << ZR36057_VFESPFR_HorDcm); | |
422 | reg |= (VerDcm << ZR36057_VFESPFR_VerDcm); | |
423 | reg |= (DispMode << ZR36057_VFESPFR_DispMode); | |
1da177e4 LT |
424 | /* RJ: I don't know, why the following has to be the opposite |
425 | * of the corresponding ZR36060 setting, but only this way | |
426 | * we get the correct colors when uncompressing to the screen */ | |
427 | //reg |= ZR36057_VFESPFR_VCLKPol; /**/ | |
428 | /* RJ: Don't know if that is needed for NTSC also */ | |
429 | if (zr->norm != VIDEO_MODE_NTSC) | |
430 | reg |= ZR36057_VFESPFR_ExtFl; // NEEDED!!!!!!! Wolfgang | |
431 | reg |= ZR36057_VFESPFR_TopField; | |
1da177e4 LT |
432 | if (HorDcm >= 48) { |
433 | reg |= 3 << ZR36057_VFESPFR_HFilter; /* 5 tap filter */ | |
434 | } else if (HorDcm >= 32) { | |
435 | reg |= 2 << ZR36057_VFESPFR_HFilter; /* 4 tap filter */ | |
436 | } else if (HorDcm >= 16) { | |
437 | reg |= 1 << ZR36057_VFESPFR_HFilter; /* 3 tap filter */ | |
438 | } | |
603d6f2c | 439 | reg |= format->vfespfr; |
1da177e4 LT |
440 | btwrite(reg, ZR36057_VFESPFR); |
441 | ||
442 | /* display configuration */ | |
443 | reg = (16 << ZR36057_VDCR_MinPix) | |
444 | | (VidWinHt << ZR36057_VDCR_VidWinHt) | |
445 | | (VidWinWid << ZR36057_VDCR_VidWinWid); | |
446 | if (pci_pci_problems & PCIPCI_TRITON) | |
447 | // || zr->revision < 1) // Revision 1 has also Triton support | |
448 | reg &= ~ZR36057_VDCR_Triton; | |
449 | else | |
450 | reg |= ZR36057_VDCR_Triton; | |
451 | btwrite(reg, ZR36057_VDCR); | |
452 | ||
453 | /* (Ronald) don't write this if overlay_mask = NULL */ | |
454 | if (zr->overlay_mask) { | |
455 | /* Write overlay clipping mask data, but don't enable overlay clipping */ | |
d56410e0 | 456 | /* RJ: since this makes only sense on the screen, we use |
1da177e4 LT |
457 | * zr->overlay_settings.width instead of video_width */ |
458 | ||
459 | mask_line_size = (BUZ_MAX_WIDTH + 31) / 32; | |
460 | reg = virt_to_bus(zr->overlay_mask); | |
461 | btwrite(reg, ZR36057_MMTR); | |
462 | reg = virt_to_bus(zr->overlay_mask + mask_line_size); | |
463 | btwrite(reg, ZR36057_MMBR); | |
464 | reg = | |
465 | mask_line_size - (zr->overlay_settings.width + | |
466 | 31) / 32; | |
467 | if (DispMode == 0) | |
468 | reg += mask_line_size; | |
469 | reg <<= ZR36057_OCR_MaskStride; | |
470 | btwrite(reg, ZR36057_OCR); | |
471 | } | |
472 | ||
473 | zr36057_adjust_vfe(zr, zr->codec_mode); | |
474 | } | |
475 | ||
476 | /* | |
477 | * Switch overlay on or off | |
478 | */ | |
479 | ||
480 | void | |
481 | zr36057_overlay (struct zoran *zr, | |
482 | int on) | |
483 | { | |
484 | u32 reg; | |
485 | ||
486 | if (on) { | |
487 | /* do the necessary settings ... */ | |
488 | btand(~ZR36057_VDCR_VidEn, ZR36057_VDCR); /* switch it off first */ | |
489 | ||
490 | zr36057_set_vfe(zr, | |
491 | zr->overlay_settings.width, | |
492 | zr->overlay_settings.height, | |
493 | zr->overlay_settings.format); | |
494 | ||
495 | /* Start and length of each line MUST be 4-byte aligned. | |
496 | * This should be allready checked before the call to this routine. | |
497 | * All error messages are internal driver checking only! */ | |
498 | ||
499 | /* video display top and bottom registers */ | |
d6144028 | 500 | reg = (long) zr->buffer.base + |
1da177e4 LT |
501 | zr->overlay_settings.x * |
502 | ((zr->overlay_settings.format->depth + 7) / 8) + | |
503 | zr->overlay_settings.y * | |
504 | zr->buffer.bytesperline; | |
505 | btwrite(reg, ZR36057_VDTR); | |
506 | if (reg & 3) | |
507 | dprintk(1, | |
508 | KERN_ERR | |
509 | "%s: zr36057_overlay() - video_address not aligned\n", | |
510 | ZR_DEVNAME(zr)); | |
511 | if (zr->overlay_settings.height > BUZ_MAX_HEIGHT / 2) | |
512 | reg += zr->buffer.bytesperline; | |
513 | btwrite(reg, ZR36057_VDBR); | |
514 | ||
515 | /* video stride, status, and frame grab register */ | |
516 | reg = zr->buffer.bytesperline - | |
517 | zr->overlay_settings.width * | |
518 | ((zr->overlay_settings.format->depth + 7) / 8); | |
519 | if (zr->overlay_settings.height > BUZ_MAX_HEIGHT / 2) | |
520 | reg += zr->buffer.bytesperline; | |
521 | if (reg & 3) | |
522 | dprintk(1, | |
523 | KERN_ERR | |
524 | "%s: zr36057_overlay() - video_stride not aligned\n", | |
525 | ZR_DEVNAME(zr)); | |
526 | reg = (reg << ZR36057_VSSFGR_DispStride); | |
527 | reg |= ZR36057_VSSFGR_VidOvf; /* clear overflow status */ | |
528 | btwrite(reg, ZR36057_VSSFGR); | |
529 | ||
530 | /* Set overlay clipping */ | |
531 | if (zr->overlay_settings.clipcount > 0) | |
532 | btor(ZR36057_OCR_OvlEnable, ZR36057_OCR); | |
533 | ||
534 | /* ... and switch it on */ | |
535 | btor(ZR36057_VDCR_VidEn, ZR36057_VDCR); | |
536 | } else { | |
537 | /* Switch it off */ | |
538 | btand(~ZR36057_VDCR_VidEn, ZR36057_VDCR); | |
539 | } | |
540 | } | |
541 | ||
542 | /* | |
543 | * The overlay mask has one bit for each pixel on a scan line, | |
544 | * and the maximum window size is BUZ_MAX_WIDTH * BUZ_MAX_HEIGHT pixels. | |
545 | */ | |
546 | ||
547 | void | |
548 | write_overlay_mask (struct file *file, | |
549 | struct video_clip *vp, | |
550 | int count) | |
551 | { | |
552 | struct zoran_fh *fh = file->private_data; | |
553 | struct zoran *zr = fh->zr; | |
554 | unsigned mask_line_size = (BUZ_MAX_WIDTH + 31) / 32; | |
555 | u32 *mask; | |
556 | int x, y, width, height; | |
557 | unsigned i, j, k; | |
558 | u32 reg; | |
559 | ||
560 | /* fill mask with one bits */ | |
561 | memset(fh->overlay_mask, ~0, mask_line_size * 4 * BUZ_MAX_HEIGHT); | |
562 | reg = 0; | |
563 | ||
564 | for (i = 0; i < count; ++i) { | |
565 | /* pick up local copy of clip */ | |
566 | x = vp[i].x; | |
567 | y = vp[i].y; | |
568 | width = vp[i].width; | |
569 | height = vp[i].height; | |
570 | ||
571 | /* trim clips that extend beyond the window */ | |
572 | if (x < 0) { | |
573 | width += x; | |
574 | x = 0; | |
575 | } | |
576 | if (y < 0) { | |
577 | height += y; | |
578 | y = 0; | |
579 | } | |
580 | if (x + width > fh->overlay_settings.width) { | |
581 | width = fh->overlay_settings.width - x; | |
582 | } | |
583 | if (y + height > fh->overlay_settings.height) { | |
584 | height = fh->overlay_settings.height - y; | |
585 | } | |
586 | ||
587 | /* ignore degenerate clips */ | |
588 | if (height <= 0) { | |
589 | continue; | |
590 | } | |
591 | if (width <= 0) { | |
592 | continue; | |
593 | } | |
594 | ||
595 | /* apply clip for each scan line */ | |
596 | for (j = 0; j < height; ++j) { | |
597 | /* reset bit for each pixel */ | |
598 | /* this can be optimized later if need be */ | |
599 | mask = fh->overlay_mask + (y + j) * mask_line_size; | |
600 | for (k = 0; k < width; ++k) { | |
601 | mask[(x + k) / 32] &= | |
602 | ~((u32) 1 << (x + k) % 32); | |
603 | } | |
604 | } | |
605 | } | |
606 | } | |
607 | ||
608 | /* Enable/Disable uncompressed memory grabbing of the 36057 */ | |
609 | ||
610 | void | |
611 | zr36057_set_memgrab (struct zoran *zr, | |
612 | int mode) | |
613 | { | |
614 | if (mode) { | |
9896bbc1 TP |
615 | /* We only check SnapShot and not FrameGrab here. SnapShot==1 |
616 | * means a capture is already in progress, but FrameGrab==1 | |
617 | * doesn't necessary mean that. It's more correct to say a 1 | |
618 | * to 0 transition indicates a capture completed. If a | |
619 | * capture is pending when capturing is tuned off, FrameGrab | |
620 | * will be stuck at 1 until capturing is turned back on. | |
621 | */ | |
622 | if (btread(ZR36057_VSSFGR) & ZR36057_VSSFGR_SnapShot) | |
1da177e4 LT |
623 | dprintk(1, |
624 | KERN_WARNING | |
9896bbc1 | 625 | "%s: zr36057_set_memgrab(1) with SnapShot on!?\n", |
1da177e4 LT |
626 | ZR_DEVNAME(zr)); |
627 | ||
628 | /* switch on VSync interrupts */ | |
629 | btwrite(IRQ_MASK, ZR36057_ISR); // Clear Interrupts | |
630 | btor(zr->card.vsync_int, ZR36057_ICR); // SW | |
631 | ||
632 | /* enable SnapShot */ | |
633 | btor(ZR36057_VSSFGR_SnapShot, ZR36057_VSSFGR); | |
634 | ||
635 | /* Set zr36057 video front end and enable video */ | |
636 | zr36057_set_vfe(zr, zr->v4l_settings.width, | |
637 | zr->v4l_settings.height, | |
638 | zr->v4l_settings.format); | |
639 | ||
640 | zr->v4l_memgrab_active = 1; | |
641 | } else { | |
1da177e4 LT |
642 | /* switch off VSync interrupts */ |
643 | btand(~zr->card.vsync_int, ZR36057_ICR); // SW | |
644 | ||
9896bbc1 TP |
645 | zr->v4l_memgrab_active = 0; |
646 | zr->v4l_grab_frame = NO_GRAB_ACTIVE; | |
647 | ||
1da177e4 LT |
648 | /* reenable grabbing to screen if it was running */ |
649 | if (zr->v4l_overlay_active) { | |
650 | zr36057_overlay(zr, 1); | |
651 | } else { | |
652 | btand(~ZR36057_VDCR_VidEn, ZR36057_VDCR); | |
653 | btand(~ZR36057_VSSFGR_SnapShot, ZR36057_VSSFGR); | |
654 | } | |
655 | } | |
656 | } | |
657 | ||
658 | int | |
659 | wait_grab_pending (struct zoran *zr) | |
660 | { | |
661 | unsigned long flags; | |
662 | ||
663 | /* wait until all pending grabs are finished */ | |
664 | ||
665 | if (!zr->v4l_memgrab_active) | |
666 | return 0; | |
667 | ||
668 | wait_event_interruptible(zr->v4l_capq, | |
669 | (zr->v4l_pend_tail == zr->v4l_pend_head)); | |
670 | if (signal_pending(current)) | |
671 | return -ERESTARTSYS; | |
672 | ||
673 | spin_lock_irqsave(&zr->spinlock, flags); | |
674 | zr36057_set_memgrab(zr, 0); | |
675 | spin_unlock_irqrestore(&zr->spinlock, flags); | |
676 | ||
677 | return 0; | |
678 | } | |
679 | ||
680 | /***************************************************************************** | |
681 | * * | |
682 | * Set up the Buz-specific MJPEG part * | |
683 | * * | |
684 | *****************************************************************************/ | |
685 | ||
686 | static inline void | |
687 | set_frame (struct zoran *zr, | |
688 | int val) | |
689 | { | |
6165894f | 690 | GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_FRAME], val); |
1da177e4 LT |
691 | } |
692 | ||
693 | static void | |
694 | set_videobus_dir (struct zoran *zr, | |
695 | int val) | |
696 | { | |
697 | switch (zr->card.type) { | |
698 | case LML33: | |
699 | case LML33R10: | |
700 | if (lml33dpath == 0) | |
701 | GPIO(zr, 5, val); | |
702 | else | |
703 | GPIO(zr, 5, 1); | |
704 | break; | |
705 | default: | |
6165894f MCC |
706 | GPIO(zr, zr->card.gpio[ZR_GPIO_VID_DIR], |
707 | zr->card.gpio_pol[ZR_GPIO_VID_DIR] ? !val : val); | |
1da177e4 LT |
708 | break; |
709 | } | |
710 | } | |
711 | ||
712 | static void | |
713 | init_jpeg_queue (struct zoran *zr) | |
714 | { | |
715 | int i; | |
716 | ||
717 | /* re-initialize DMA ring stuff */ | |
718 | zr->jpg_que_head = 0; | |
719 | zr->jpg_dma_head = 0; | |
720 | zr->jpg_dma_tail = 0; | |
721 | zr->jpg_que_tail = 0; | |
722 | zr->jpg_seq_num = 0; | |
723 | zr->JPEG_error = 0; | |
724 | zr->num_errors = 0; | |
725 | zr->jpg_err_seq = 0; | |
726 | zr->jpg_err_shift = 0; | |
727 | zr->jpg_queued_num = 0; | |
728 | for (i = 0; i < zr->jpg_buffers.num_buffers; i++) { | |
729 | zr->jpg_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */ | |
730 | } | |
731 | for (i = 0; i < BUZ_NUM_STAT_COM; i++) { | |
732 | zr->stat_com[i] = cpu_to_le32(1); /* mark as unavailable to zr36057 */ | |
733 | } | |
734 | } | |
735 | ||
736 | static void | |
737 | zr36057_set_jpg (struct zoran *zr, | |
738 | enum zoran_codec_mode mode) | |
739 | { | |
740 | struct tvnorm *tvn; | |
741 | u32 reg; | |
742 | ||
743 | tvn = zr->timing; | |
744 | ||
745 | /* assert P_Reset, disable code transfer, deassert Active */ | |
746 | btwrite(0, ZR36057_JPC); | |
747 | ||
748 | /* MJPEG compression mode */ | |
749 | switch (mode) { | |
750 | ||
751 | case BUZ_MODE_MOTION_COMPRESS: | |
752 | default: | |
753 | reg = ZR36057_JMC_MJPGCmpMode; | |
754 | break; | |
755 | ||
756 | case BUZ_MODE_MOTION_DECOMPRESS: | |
757 | reg = ZR36057_JMC_MJPGExpMode; | |
758 | reg |= ZR36057_JMC_SyncMstr; | |
759 | /* RJ: The following is experimental - improves the output to screen */ | |
760 | //if(zr->jpg_settings.VFIFO_FB) reg |= ZR36057_JMC_VFIFO_FB; // No, it doesn't. SM | |
761 | break; | |
762 | ||
763 | case BUZ_MODE_STILL_COMPRESS: | |
764 | reg = ZR36057_JMC_JPGCmpMode; | |
765 | break; | |
766 | ||
767 | case BUZ_MODE_STILL_DECOMPRESS: | |
768 | reg = ZR36057_JMC_JPGExpMode; | |
769 | break; | |
770 | ||
771 | } | |
772 | reg |= ZR36057_JMC_JPG; | |
773 | if (zr->jpg_settings.field_per_buff == 1) | |
774 | reg |= ZR36057_JMC_Fld_per_buff; | |
775 | btwrite(reg, ZR36057_JMC); | |
776 | ||
777 | /* vertical */ | |
778 | btor(ZR36057_VFEVCR_VSPol, ZR36057_VFEVCR); | |
779 | reg = (6 << ZR36057_VSP_VsyncSize) | | |
780 | (tvn->Ht << ZR36057_VSP_FrmTot); | |
781 | btwrite(reg, ZR36057_VSP); | |
782 | reg = ((zr->jpg_settings.img_y + tvn->VStart) << ZR36057_FVAP_NAY) | | |
783 | (zr->jpg_settings.img_height << ZR36057_FVAP_PAY); | |
784 | btwrite(reg, ZR36057_FVAP); | |
785 | ||
786 | /* horizontal */ | |
787 | if (zr->card.vfe_pol.hsync_pol) | |
788 | btor(ZR36057_VFEHCR_HSPol, ZR36057_VFEHCR); | |
789 | else | |
d56410e0 | 790 | btand(~ZR36057_VFEHCR_HSPol, ZR36057_VFEHCR); |
1da177e4 LT |
791 | reg = ((tvn->HSyncStart) << ZR36057_HSP_HsyncStart) | |
792 | (tvn->Wt << ZR36057_HSP_LineTot); | |
793 | btwrite(reg, ZR36057_HSP); | |
794 | reg = ((zr->jpg_settings.img_x + | |
d56410e0 | 795 | tvn->HStart + 4) << ZR36057_FHAP_NAX) | |
1da177e4 LT |
796 | (zr->jpg_settings.img_width << ZR36057_FHAP_PAX); |
797 | btwrite(reg, ZR36057_FHAP); | |
798 | ||
799 | /* field process parameters */ | |
800 | if (zr->jpg_settings.odd_even) | |
801 | reg = ZR36057_FPP_Odd_Even; | |
802 | else | |
803 | reg = 0; | |
804 | ||
805 | btwrite(reg, ZR36057_FPP); | |
806 | ||
807 | /* Set proper VCLK Polarity, else colors will be wrong during playback */ | |
808 | //btor(ZR36057_VFESPFR_VCLKPol, ZR36057_VFESPFR); | |
809 | ||
810 | /* code base address */ | |
811 | reg = virt_to_bus(zr->stat_com); | |
812 | btwrite(reg, ZR36057_JCBA); | |
813 | ||
814 | /* FIFO threshold (FIFO is 160. double words) */ | |
815 | /* NOTE: decimal values here */ | |
816 | switch (mode) { | |
817 | ||
818 | case BUZ_MODE_STILL_COMPRESS: | |
819 | case BUZ_MODE_MOTION_COMPRESS: | |
820 | if (zr->card.type != BUZ) | |
821 | reg = 140; | |
822 | else | |
823 | reg = 60; | |
824 | break; | |
825 | ||
826 | case BUZ_MODE_STILL_DECOMPRESS: | |
827 | case BUZ_MODE_MOTION_DECOMPRESS: | |
828 | reg = 20; | |
829 | break; | |
830 | ||
831 | default: | |
832 | reg = 80; | |
833 | break; | |
834 | ||
835 | } | |
836 | btwrite(reg, ZR36057_JCFT); | |
837 | zr36057_adjust_vfe(zr, mode); | |
838 | ||
839 | } | |
840 | ||
841 | void | |
842 | print_interrupts (struct zoran *zr) | |
843 | { | |
844 | int res, noerr = 0; | |
845 | ||
846 | printk(KERN_INFO "%s: interrupts received:", ZR_DEVNAME(zr)); | |
847 | if ((res = zr->field_counter) < -1 || res > 1) { | |
848 | printk(" FD:%d", res); | |
849 | } | |
850 | if ((res = zr->intr_counter_GIRQ1) != 0) { | |
851 | printk(" GIRQ1:%d", res); | |
852 | noerr++; | |
853 | } | |
854 | if ((res = zr->intr_counter_GIRQ0) != 0) { | |
855 | printk(" GIRQ0:%d", res); | |
856 | noerr++; | |
857 | } | |
858 | if ((res = zr->intr_counter_CodRepIRQ) != 0) { | |
859 | printk(" CodRepIRQ:%d", res); | |
860 | noerr++; | |
861 | } | |
862 | if ((res = zr->intr_counter_JPEGRepIRQ) != 0) { | |
863 | printk(" JPEGRepIRQ:%d", res); | |
864 | noerr++; | |
865 | } | |
866 | if (zr->JPEG_max_missed) { | |
867 | printk(" JPEG delays: max=%d min=%d", zr->JPEG_max_missed, | |
868 | zr->JPEG_min_missed); | |
869 | } | |
870 | if (zr->END_event_missed) { | |
871 | printk(" ENDs missed: %d", zr->END_event_missed); | |
872 | } | |
873 | //if (zr->jpg_queued_num) { | |
874 | printk(" queue_state=%ld/%ld/%ld/%ld", zr->jpg_que_tail, | |
875 | zr->jpg_dma_tail, zr->jpg_dma_head, zr->jpg_que_head); | |
876 | //} | |
877 | if (!noerr) { | |
878 | printk(": no interrupts detected."); | |
879 | } | |
880 | printk("\n"); | |
881 | } | |
882 | ||
883 | void | |
884 | clear_interrupt_counters (struct zoran *zr) | |
885 | { | |
886 | zr->intr_counter_GIRQ1 = 0; | |
887 | zr->intr_counter_GIRQ0 = 0; | |
888 | zr->intr_counter_CodRepIRQ = 0; | |
889 | zr->intr_counter_JPEGRepIRQ = 0; | |
890 | zr->field_counter = 0; | |
891 | zr->IRQ1_in = 0; | |
892 | zr->IRQ1_out = 0; | |
893 | zr->JPEG_in = 0; | |
894 | zr->JPEG_out = 0; | |
895 | zr->JPEG_0 = 0; | |
896 | zr->JPEG_1 = 0; | |
897 | zr->END_event_missed = 0; | |
898 | zr->JPEG_missed = 0; | |
899 | zr->JPEG_max_missed = 0; | |
900 | zr->JPEG_min_missed = 0x7fffffff; | |
901 | } | |
902 | ||
903 | static u32 | |
904 | count_reset_interrupt (struct zoran *zr) | |
905 | { | |
906 | u32 isr; | |
907 | ||
908 | if ((isr = btread(ZR36057_ISR) & 0x78000000)) { | |
909 | if (isr & ZR36057_ISR_GIRQ1) { | |
910 | btwrite(ZR36057_ISR_GIRQ1, ZR36057_ISR); | |
911 | zr->intr_counter_GIRQ1++; | |
912 | } | |
913 | if (isr & ZR36057_ISR_GIRQ0) { | |
914 | btwrite(ZR36057_ISR_GIRQ0, ZR36057_ISR); | |
915 | zr->intr_counter_GIRQ0++; | |
916 | } | |
917 | if (isr & ZR36057_ISR_CodRepIRQ) { | |
918 | btwrite(ZR36057_ISR_CodRepIRQ, ZR36057_ISR); | |
919 | zr->intr_counter_CodRepIRQ++; | |
920 | } | |
921 | if (isr & ZR36057_ISR_JPEGRepIRQ) { | |
922 | btwrite(ZR36057_ISR_JPEGRepIRQ, ZR36057_ISR); | |
923 | zr->intr_counter_JPEGRepIRQ++; | |
924 | } | |
925 | } | |
926 | return isr; | |
927 | } | |
928 | ||
1da177e4 LT |
929 | void |
930 | jpeg_start (struct zoran *zr) | |
931 | { | |
932 | int reg; | |
933 | ||
934 | zr->frame_num = 0; | |
935 | ||
936 | /* deassert P_reset, disable code transfer, deassert Active */ | |
937 | btwrite(ZR36057_JPC_P_Reset, ZR36057_JPC); | |
938 | /* stop flushing the internal code buffer */ | |
939 | btand(~ZR36057_MCTCR_CFlush, ZR36057_MCTCR); | |
940 | /* enable code transfer */ | |
941 | btor(ZR36057_JPC_CodTrnsEn, ZR36057_JPC); | |
942 | ||
943 | /* clear IRQs */ | |
944 | btwrite(IRQ_MASK, ZR36057_ISR); | |
945 | /* enable the JPEG IRQs */ | |
946 | btwrite(zr->card.jpeg_int | | |
947 | ZR36057_ICR_JPEGRepIRQ | | |
948 | ZR36057_ICR_IntPinEn, | |
949 | ZR36057_ICR); | |
950 | ||
951 | set_frame(zr, 0); // \FRAME | |
952 | ||
953 | /* set the JPEG codec guest ID */ | |
954 | reg = (zr->card.gpcs[1] << ZR36057_JCGI_JPEGuestID) | | |
955 | (0 << ZR36057_JCGI_JPEGuestReg); | |
956 | btwrite(reg, ZR36057_JCGI); | |
957 | ||
958 | if (zr->card.video_vfe == CODEC_TYPE_ZR36016 && | |
959 | zr->card.video_codec == CODEC_TYPE_ZR36050) { | |
960 | /* Enable processing on the ZR36016 */ | |
961 | if (zr->vfe) | |
962 | zr36016_write(zr->vfe, 0, 1); | |
963 | ||
964 | /* load the address of the GO register in the ZR36050 latch */ | |
965 | post_office_write(zr, 0, 0, 0); | |
966 | } | |
967 | ||
968 | /* assert Active */ | |
969 | btor(ZR36057_JPC_Active, ZR36057_JPC); | |
970 | ||
971 | /* enable the Go generation */ | |
972 | btor(ZR36057_JMC_Go_en, ZR36057_JMC); | |
973 | udelay(30); | |
974 | ||
975 | set_frame(zr, 1); // /FRAME | |
976 | ||
977 | dprintk(3, KERN_DEBUG "%s: jpeg_start\n", ZR_DEVNAME(zr)); | |
978 | } | |
979 | ||
980 | void | |
981 | zr36057_enable_jpg (struct zoran *zr, | |
982 | enum zoran_codec_mode mode) | |
983 | { | |
ff699e6b | 984 | static int zero; |
1da177e4 LT |
985 | static int one = 1; |
986 | struct vfe_settings cap; | |
987 | int field_size = | |
988 | zr->jpg_buffers.buffer_size / zr->jpg_settings.field_per_buff; | |
989 | ||
990 | zr->codec_mode = mode; | |
991 | ||
992 | cap.x = zr->jpg_settings.img_x; | |
993 | cap.y = zr->jpg_settings.img_y; | |
994 | cap.width = zr->jpg_settings.img_width; | |
995 | cap.height = zr->jpg_settings.img_height; | |
996 | cap.decimation = | |
997 | zr->jpg_settings.HorDcm | (zr->jpg_settings.VerDcm << 8); | |
998 | cap.quality = zr->jpg_settings.jpg_comp.quality; | |
999 | ||
1000 | switch (mode) { | |
1001 | ||
1002 | case BUZ_MODE_MOTION_COMPRESS: { | |
1003 | struct jpeg_app_marker app; | |
1004 | struct jpeg_com_marker com; | |
1005 | ||
1006 | /* In motion compress mode, the decoder output must be enabled, and | |
1007 | * the video bus direction set to input. | |
1008 | */ | |
1009 | set_videobus_dir(zr, 0); | |
1010 | decoder_command(zr, DECODER_ENABLE_OUTPUT, &one); | |
1011 | encoder_command(zr, ENCODER_SET_INPUT, &zero); | |
1012 | ||
1013 | /* Take the JPEG codec and the VFE out of sleep */ | |
1014 | jpeg_codec_sleep(zr, 0); | |
1015 | ||
1016 | /* set JPEG app/com marker */ | |
1017 | app.appn = zr->jpg_settings.jpg_comp.APPn; | |
1018 | app.len = zr->jpg_settings.jpg_comp.APP_len; | |
1019 | memcpy(app.data, zr->jpg_settings.jpg_comp.APP_data, 60); | |
1020 | zr->codec->control(zr->codec, CODEC_S_JPEG_APP_DATA, | |
1021 | sizeof(struct jpeg_app_marker), &app); | |
1022 | ||
1023 | com.len = zr->jpg_settings.jpg_comp.COM_len; | |
1024 | memcpy(com.data, zr->jpg_settings.jpg_comp.COM_data, 60); | |
1025 | zr->codec->control(zr->codec, CODEC_S_JPEG_COM_DATA, | |
1026 | sizeof(struct jpeg_com_marker), &com); | |
1027 | ||
1028 | /* Setup the JPEG codec */ | |
1029 | zr->codec->control(zr->codec, CODEC_S_JPEG_TDS_BYTE, | |
1030 | sizeof(int), &field_size); | |
1031 | zr->codec->set_video(zr->codec, zr->timing, &cap, | |
1032 | &zr->card.vfe_pol); | |
1033 | zr->codec->set_mode(zr->codec, CODEC_DO_COMPRESSION); | |
1034 | ||
1035 | /* Setup the VFE */ | |
1036 | if (zr->vfe) { | |
1037 | zr->vfe->control(zr->vfe, CODEC_S_JPEG_TDS_BYTE, | |
1038 | sizeof(int), &field_size); | |
1039 | zr->vfe->set_video(zr->vfe, zr->timing, &cap, | |
1040 | &zr->card.vfe_pol); | |
1041 | zr->vfe->set_mode(zr->vfe, CODEC_DO_COMPRESSION); | |
1042 | } | |
1043 | ||
1044 | init_jpeg_queue(zr); | |
1045 | zr36057_set_jpg(zr, mode); // \P_Reset, ... Video param, FIFO | |
1046 | ||
1047 | clear_interrupt_counters(zr); | |
1048 | dprintk(2, KERN_INFO "%s: enable_jpg(MOTION_COMPRESS)\n", | |
1049 | ZR_DEVNAME(zr)); | |
1050 | break; | |
1051 | } | |
1052 | ||
1053 | case BUZ_MODE_MOTION_DECOMPRESS: | |
1054 | /* In motion decompression mode, the decoder output must be disabled, and | |
1055 | * the video bus direction set to output. | |
1056 | */ | |
1057 | decoder_command(zr, DECODER_ENABLE_OUTPUT, &zero); | |
1058 | set_videobus_dir(zr, 1); | |
1059 | encoder_command(zr, ENCODER_SET_INPUT, &one); | |
1060 | ||
1061 | /* Take the JPEG codec and the VFE out of sleep */ | |
1062 | jpeg_codec_sleep(zr, 0); | |
1063 | /* Setup the VFE */ | |
1064 | if (zr->vfe) { | |
1065 | zr->vfe->set_video(zr->vfe, zr->timing, &cap, | |
1066 | &zr->card.vfe_pol); | |
1067 | zr->vfe->set_mode(zr->vfe, CODEC_DO_EXPANSION); | |
1068 | } | |
1069 | /* Setup the JPEG codec */ | |
1070 | zr->codec->set_video(zr->codec, zr->timing, &cap, | |
1071 | &zr->card.vfe_pol); | |
1072 | zr->codec->set_mode(zr->codec, CODEC_DO_EXPANSION); | |
1073 | ||
1074 | init_jpeg_queue(zr); | |
1075 | zr36057_set_jpg(zr, mode); // \P_Reset, ... Video param, FIFO | |
1076 | ||
1077 | clear_interrupt_counters(zr); | |
1078 | dprintk(2, KERN_INFO "%s: enable_jpg(MOTION_DECOMPRESS)\n", | |
1079 | ZR_DEVNAME(zr)); | |
1080 | break; | |
1081 | ||
1082 | case BUZ_MODE_IDLE: | |
1083 | default: | |
1084 | /* shut down processing */ | |
1085 | btand(~(zr->card.jpeg_int | ZR36057_ICR_JPEGRepIRQ), | |
1086 | ZR36057_ICR); | |
1087 | btwrite(zr->card.jpeg_int | ZR36057_ICR_JPEGRepIRQ, | |
1088 | ZR36057_ISR); | |
1089 | btand(~ZR36057_JMC_Go_en, ZR36057_JMC); // \Go_en | |
1090 | ||
1091 | msleep(50); | |
1092 | ||
1093 | set_videobus_dir(zr, 0); | |
1094 | set_frame(zr, 1); // /FRAME | |
1095 | btor(ZR36057_MCTCR_CFlush, ZR36057_MCTCR); // /CFlush | |
1096 | btwrite(0, ZR36057_JPC); // \P_Reset,\CodTrnsEn,\Active | |
1097 | btand(~ZR36057_JMC_VFIFO_FB, ZR36057_JMC); | |
1098 | btand(~ZR36057_JMC_SyncMstr, ZR36057_JMC); | |
1099 | jpeg_codec_reset(zr); | |
1100 | jpeg_codec_sleep(zr, 1); | |
1101 | zr36057_adjust_vfe(zr, mode); | |
1102 | ||
1103 | decoder_command(zr, DECODER_ENABLE_OUTPUT, &one); | |
1104 | encoder_command(zr, ENCODER_SET_INPUT, &zero); | |
1105 | ||
1106 | dprintk(2, KERN_INFO "%s: enable_jpg(IDLE)\n", ZR_DEVNAME(zr)); | |
1107 | break; | |
1108 | ||
1109 | } | |
1110 | } | |
1111 | ||
1112 | /* when this is called the spinlock must be held */ | |
1113 | void | |
1114 | zoran_feed_stat_com (struct zoran *zr) | |
1115 | { | |
1116 | /* move frames from pending queue to DMA */ | |
1117 | ||
1118 | int frame, i, max_stat_com; | |
1119 | ||
1120 | max_stat_com = | |
1121 | (zr->jpg_settings.TmpDcm == | |
1122 | 1) ? BUZ_NUM_STAT_COM : (BUZ_NUM_STAT_COM >> 1); | |
1123 | ||
1124 | while ((zr->jpg_dma_head - zr->jpg_dma_tail) < max_stat_com && | |
1125 | zr->jpg_dma_head < zr->jpg_que_head) { | |
1126 | ||
1127 | frame = zr->jpg_pend[zr->jpg_dma_head & BUZ_MASK_FRAME]; | |
1128 | if (zr->jpg_settings.TmpDcm == 1) { | |
1129 | /* fill 1 stat_com entry */ | |
1130 | i = (zr->jpg_dma_head - | |
1131 | zr->jpg_err_shift) & BUZ_MASK_STAT_COM; | |
1132 | if (!(zr->stat_com[i] & cpu_to_le32(1))) | |
1133 | break; | |
1134 | zr->stat_com[i] = | |
1135 | cpu_to_le32(zr->jpg_buffers.buffer[frame].frag_tab_bus); | |
1136 | } else { | |
1137 | /* fill 2 stat_com entries */ | |
1138 | i = ((zr->jpg_dma_head - | |
1139 | zr->jpg_err_shift) & 1) * 2; | |
1140 | if (!(zr->stat_com[i] & cpu_to_le32(1))) | |
1141 | break; | |
1142 | zr->stat_com[i] = | |
1143 | cpu_to_le32(zr->jpg_buffers.buffer[frame].frag_tab_bus); | |
1144 | zr->stat_com[i + 1] = | |
1145 | cpu_to_le32(zr->jpg_buffers.buffer[frame].frag_tab_bus); | |
1146 | } | |
1147 | zr->jpg_buffers.buffer[frame].state = BUZ_STATE_DMA; | |
1148 | zr->jpg_dma_head++; | |
1149 | ||
1150 | } | |
1151 | if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS) | |
1152 | zr->jpg_queued_num++; | |
1153 | } | |
1154 | ||
1155 | /* when this is called the spinlock must be held */ | |
1156 | static void | |
1157 | zoran_reap_stat_com (struct zoran *zr) | |
1158 | { | |
1159 | /* move frames from DMA queue to done queue */ | |
1160 | ||
1161 | int i; | |
1162 | u32 stat_com; | |
1163 | unsigned int seq; | |
1164 | unsigned int dif; | |
1165 | struct zoran_jpg_buffer *buffer; | |
1166 | int frame; | |
1167 | ||
1168 | /* In motion decompress we don't have a hardware frame counter, | |
1169 | * we just count the interrupts here */ | |
1170 | ||
1171 | if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS) { | |
1172 | zr->jpg_seq_num++; | |
1173 | } | |
1174 | while (zr->jpg_dma_tail < zr->jpg_dma_head) { | |
1175 | if (zr->jpg_settings.TmpDcm == 1) | |
1176 | i = (zr->jpg_dma_tail - | |
1177 | zr->jpg_err_shift) & BUZ_MASK_STAT_COM; | |
1178 | else | |
1179 | i = ((zr->jpg_dma_tail - | |
1180 | zr->jpg_err_shift) & 1) * 2 + 1; | |
1181 | ||
1182 | stat_com = le32_to_cpu(zr->stat_com[i]); | |
1183 | ||
1184 | if ((stat_com & 1) == 0) { | |
1185 | return; | |
1186 | } | |
1187 | frame = zr->jpg_pend[zr->jpg_dma_tail & BUZ_MASK_FRAME]; | |
1188 | buffer = &zr->jpg_buffers.buffer[frame]; | |
1189 | do_gettimeofday(&buffer->bs.timestamp); | |
1190 | ||
1191 | if (zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) { | |
1192 | buffer->bs.length = (stat_com & 0x7fffff) >> 1; | |
1193 | ||
1194 | /* update sequence number with the help of the counter in stat_com */ | |
1195 | ||
1196 | seq = ((stat_com >> 24) + zr->jpg_err_seq) & 0xff; | |
1197 | dif = (seq - zr->jpg_seq_num) & 0xff; | |
1198 | zr->jpg_seq_num += dif; | |
1199 | } else { | |
1200 | buffer->bs.length = 0; | |
1201 | } | |
1202 | buffer->bs.seq = | |
1203 | zr->jpg_settings.TmpDcm == | |
1204 | 2 ? (zr->jpg_seq_num >> 1) : zr->jpg_seq_num; | |
1205 | buffer->state = BUZ_STATE_DONE; | |
1206 | ||
1207 | zr->jpg_dma_tail++; | |
1208 | } | |
1209 | } | |
1210 | ||
7f37cc9b HV |
1211 | static void zoran_restart(struct zoran *zr) |
1212 | { | |
1213 | /* Now the stat_comm buffer is ready for restart */ | |
1214 | int status, mode; | |
1215 | ||
1216 | if (zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) { | |
1217 | decoder_command(zr, DECODER_GET_STATUS, &status); | |
1218 | mode = CODEC_DO_COMPRESSION; | |
1219 | } else { | |
1220 | status = 0; | |
1221 | mode = CODEC_DO_EXPANSION; | |
1222 | } | |
1223 | if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS || | |
1224 | (status & DECODER_STATUS_GOOD)) { | |
1225 | /********** RESTART code *************/ | |
1226 | jpeg_codec_reset(zr); | |
1227 | zr->codec->set_mode(zr->codec, mode); | |
1228 | zr36057_set_jpg(zr, zr->codec_mode); | |
1229 | jpeg_start(zr); | |
1230 | ||
1231 | if (zr->num_errors <= 8) | |
1232 | dprintk(2, KERN_INFO "%s: Restart\n", | |
1233 | ZR_DEVNAME(zr)); | |
1234 | ||
1235 | zr->JPEG_missed = 0; | |
1236 | zr->JPEG_error = 2; | |
1237 | /********** End RESTART code ***********/ | |
1238 | } | |
1239 | } | |
1240 | ||
1da177e4 LT |
1241 | static void |
1242 | error_handler (struct zoran *zr, | |
1243 | u32 astat, | |
1244 | u32 stat) | |
1245 | { | |
7f37cc9b HV |
1246 | int i, j; |
1247 | ||
1da177e4 | 1248 | /* This is JPEG error handling part */ |
7f37cc9b HV |
1249 | if (zr->codec_mode != BUZ_MODE_MOTION_COMPRESS && |
1250 | zr->codec_mode != BUZ_MODE_MOTION_DECOMPRESS) { | |
1da177e4 LT |
1251 | return; |
1252 | } | |
1253 | ||
1254 | if ((stat & 1) == 0 && | |
1255 | zr->codec_mode == BUZ_MODE_MOTION_COMPRESS && | |
7f37cc9b | 1256 | zr->jpg_dma_tail - zr->jpg_que_tail >= zr->jpg_buffers.num_buffers) { |
1da177e4 LT |
1257 | /* No free buffers... */ |
1258 | zoran_reap_stat_com(zr); | |
1259 | zoran_feed_stat_com(zr); | |
1260 | wake_up_interruptible(&zr->jpg_capq); | |
1261 | zr->JPEG_missed = 0; | |
1262 | return; | |
1263 | } | |
1264 | ||
7f37cc9b HV |
1265 | if (zr->JPEG_error == 1) { |
1266 | zoran_restart(zr); | |
1267 | return; | |
1268 | } | |
1da177e4 | 1269 | |
7f37cc9b HV |
1270 | /* |
1271 | * First entry: error just happened during normal operation | |
1272 | * | |
1273 | * In BUZ_MODE_MOTION_COMPRESS: | |
1274 | * | |
1275 | * Possible glitch in TV signal. In this case we should | |
1276 | * stop the codec and wait for good quality signal before | |
1277 | * restarting it to avoid further problems | |
1278 | * | |
1279 | * In BUZ_MODE_MOTION_DECOMPRESS: | |
1280 | * | |
1281 | * Bad JPEG frame: we have to mark it as processed (codec crashed | |
1282 | * and was not able to do it itself), and to remove it from queue. | |
1283 | */ | |
1284 | btand(~ZR36057_JMC_Go_en, ZR36057_JMC); | |
1285 | udelay(1); | |
1286 | stat = stat | (post_office_read(zr, 7, 0) & 3) << 8; | |
1287 | btwrite(0, ZR36057_JPC); | |
1288 | btor(ZR36057_MCTCR_CFlush, ZR36057_MCTCR); | |
1289 | jpeg_codec_reset(zr); | |
1290 | jpeg_codec_sleep(zr, 1); | |
1291 | zr->JPEG_error = 1; | |
1292 | zr->num_errors++; | |
1293 | ||
1294 | /* Report error */ | |
1295 | if (zr36067_debug > 1 && zr->num_errors <= 8) { | |
1296 | long frame; | |
1297 | ||
1298 | frame = zr->jpg_pend[zr->jpg_dma_tail & BUZ_MASK_FRAME]; | |
1299 | printk(KERN_ERR | |
1300 | "%s: JPEG error stat=0x%08x(0x%08x) queue_state=%ld/%ld/%ld/%ld seq=%ld frame=%ld. Codec stopped. ", | |
1301 | ZR_DEVNAME(zr), stat, zr->last_isr, | |
1302 | zr->jpg_que_tail, zr->jpg_dma_tail, | |
1303 | zr->jpg_dma_head, zr->jpg_que_head, | |
1304 | zr->jpg_seq_num, frame); | |
1305 | printk(KERN_INFO "stat_com frames:"); | |
1306 | for (j = 0; j < BUZ_NUM_STAT_COM; j++) { | |
1307 | for (i = 0; i < zr->jpg_buffers.num_buffers; i++) { | |
1308 | if (le32_to_cpu(zr->stat_com[j]) == zr->jpg_buffers.buffer[i].frag_tab_bus) | |
1309 | printk(KERN_CONT "% d->%d", j, i); | |
1da177e4 | 1310 | } |
1da177e4 | 1311 | } |
7f37cc9b | 1312 | printk(KERN_CONT "\n"); |
1da177e4 | 1313 | } |
7f37cc9b HV |
1314 | /* Find an entry in stat_com and rotate contents */ |
1315 | if (zr->jpg_settings.TmpDcm == 1) | |
1316 | i = (zr->jpg_dma_tail - zr->jpg_err_shift) & BUZ_MASK_STAT_COM; | |
1317 | else | |
1318 | i = ((zr->jpg_dma_tail - zr->jpg_err_shift) & 1) * 2; | |
1319 | if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS) { | |
1320 | /* Mimic zr36067 operation */ | |
1321 | zr->stat_com[i] |= cpu_to_le32(1); | |
1322 | if (zr->jpg_settings.TmpDcm != 1) | |
1323 | zr->stat_com[i + 1] |= cpu_to_le32(1); | |
1324 | /* Refill */ | |
1325 | zoran_reap_stat_com(zr); | |
1326 | zoran_feed_stat_com(zr); | |
1327 | wake_up_interruptible(&zr->jpg_capq); | |
1328 | /* Find an entry in stat_com again after refill */ | |
1329 | if (zr->jpg_settings.TmpDcm == 1) | |
1330 | i = (zr->jpg_dma_tail - zr->jpg_err_shift) & BUZ_MASK_STAT_COM; | |
1331 | else | |
1332 | i = ((zr->jpg_dma_tail - zr->jpg_err_shift) & 1) * 2; | |
1333 | } | |
1334 | if (i) { | |
1335 | /* Rotate stat_comm entries to make current entry first */ | |
1336 | int j; | |
1337 | __le32 bus_addr[BUZ_NUM_STAT_COM]; | |
1338 | ||
1339 | /* Here we are copying the stat_com array, which | |
1340 | * is already in little endian format, so | |
1341 | * no endian conversions here | |
1342 | */ | |
1343 | memcpy(bus_addr, zr->stat_com, sizeof(bus_addr)); | |
1da177e4 | 1344 | |
7f37cc9b HV |
1345 | for (j = 0; j < BUZ_NUM_STAT_COM; j++) |
1346 | zr->stat_com[j] = bus_addr[(i + j) & BUZ_MASK_STAT_COM]; | |
1da177e4 | 1347 | |
7f37cc9b HV |
1348 | zr->jpg_err_shift += i; |
1349 | zr->jpg_err_shift &= BUZ_MASK_STAT_COM; | |
1350 | } | |
1351 | if (zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) | |
1352 | zr->jpg_err_seq = zr->jpg_seq_num; /* + 1; */ | |
1353 | zoran_restart(zr); | |
1da177e4 LT |
1354 | } |
1355 | ||
1356 | irqreturn_t | |
1357 | zoran_irq (int irq, | |
7d12e780 | 1358 | void *dev_id) |
1da177e4 LT |
1359 | { |
1360 | u32 stat, astat; | |
1361 | int count; | |
1362 | struct zoran *zr; | |
1363 | unsigned long flags; | |
1364 | ||
c7bec5ab | 1365 | zr = dev_id; |
1da177e4 LT |
1366 | count = 0; |
1367 | ||
1368 | if (zr->testing) { | |
1369 | /* Testing interrupts */ | |
1370 | spin_lock_irqsave(&zr->spinlock, flags); | |
1371 | while ((stat = count_reset_interrupt(zr))) { | |
1372 | if (count++ > 100) { | |
1373 | btand(~ZR36057_ICR_IntPinEn, ZR36057_ICR); | |
1374 | dprintk(1, | |
1375 | KERN_ERR | |
1376 | "%s: IRQ lockup while testing, isr=0x%08x, cleared int mask\n", | |
1377 | ZR_DEVNAME(zr), stat); | |
1378 | wake_up_interruptible(&zr->test_q); | |
1379 | } | |
1380 | } | |
1381 | zr->last_isr = stat; | |
1382 | spin_unlock_irqrestore(&zr->spinlock, flags); | |
1383 | return IRQ_HANDLED; | |
1384 | } | |
1385 | ||
1386 | spin_lock_irqsave(&zr->spinlock, flags); | |
1387 | while (1) { | |
1388 | /* get/clear interrupt status bits */ | |
1389 | stat = count_reset_interrupt(zr); | |
1390 | astat = stat & IRQ_MASK; | |
1391 | if (!astat) { | |
1392 | break; | |
1393 | } | |
1394 | dprintk(4, | |
1395 | KERN_DEBUG | |
1396 | "zoran_irq: astat: 0x%08x, mask: 0x%08x\n", | |
1397 | astat, btread(ZR36057_ICR)); | |
1398 | if (astat & zr->card.vsync_int) { // SW | |
1399 | ||
1400 | if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS || | |
1401 | zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) { | |
1402 | /* count missed interrupts */ | |
1403 | zr->JPEG_missed++; | |
1404 | } | |
1405 | //post_office_read(zr,1,0); | |
1406 | /* Interrupts may still happen when | |
1407 | * zr->v4l_memgrab_active is switched off. | |
1408 | * We simply ignore them */ | |
1409 | ||
1410 | if (zr->v4l_memgrab_active) { | |
1da177e4 | 1411 | /* A lot more checks should be here ... */ |
7f37cc9b | 1412 | if ((btread(ZR36057_VSSFGR) & ZR36057_VSSFGR_SnapShot) == 0) |
1da177e4 LT |
1413 | dprintk(1, |
1414 | KERN_WARNING | |
1415 | "%s: BuzIRQ with SnapShot off ???\n", | |
1416 | ZR_DEVNAME(zr)); | |
1417 | ||
1418 | if (zr->v4l_grab_frame != NO_GRAB_ACTIVE) { | |
1419 | /* There is a grab on a frame going on, check if it has finished */ | |
7f37cc9b | 1420 | if ((btread(ZR36057_VSSFGR) & ZR36057_VSSFGR_FrameGrab) == 0) { |
1da177e4 LT |
1421 | /* it is finished, notify the user */ |
1422 | ||
1423 | zr->v4l_buffers.buffer[zr->v4l_grab_frame].state = BUZ_STATE_DONE; | |
1424 | zr->v4l_buffers.buffer[zr->v4l_grab_frame].bs.seq = zr->v4l_grab_seq; | |
1425 | do_gettimeofday(&zr->v4l_buffers.buffer[zr->v4l_grab_frame].bs.timestamp); | |
1426 | zr->v4l_grab_frame = NO_GRAB_ACTIVE; | |
1427 | zr->v4l_pend_tail++; | |
1428 | } | |
1429 | } | |
1430 | ||
1431 | if (zr->v4l_grab_frame == NO_GRAB_ACTIVE) | |
1432 | wake_up_interruptible(&zr->v4l_capq); | |
1433 | ||
1434 | /* Check if there is another grab queued */ | |
1435 | ||
1436 | if (zr->v4l_grab_frame == NO_GRAB_ACTIVE && | |
1437 | zr->v4l_pend_tail != zr->v4l_pend_head) { | |
7f37cc9b | 1438 | int frame = zr->v4l_pend[zr->v4l_pend_tail & V4L_MASK_FRAME]; |
1da177e4 LT |
1439 | u32 reg; |
1440 | ||
1441 | zr->v4l_grab_frame = frame; | |
1442 | ||
1443 | /* Set zr36057 video front end and enable video */ | |
1444 | ||
1445 | /* Buffer address */ | |
1446 | ||
7f37cc9b | 1447 | reg = zr->v4l_buffers.buffer[frame].fbuffer_bus; |
1da177e4 | 1448 | btwrite(reg, ZR36057_VDTR); |
7f37cc9b HV |
1449 | if (zr->v4l_settings.height > BUZ_MAX_HEIGHT / 2) |
1450 | reg += zr->v4l_settings.bytesperline; | |
1da177e4 LT |
1451 | btwrite(reg, ZR36057_VDBR); |
1452 | ||
1453 | /* video stride, status, and frame grab register */ | |
1454 | reg = 0; | |
7f37cc9b HV |
1455 | if (zr->v4l_settings.height > BUZ_MAX_HEIGHT / 2) |
1456 | reg += zr->v4l_settings.bytesperline; | |
1457 | reg = (reg << ZR36057_VSSFGR_DispStride); | |
1da177e4 LT |
1458 | reg |= ZR36057_VSSFGR_VidOvf; |
1459 | reg |= ZR36057_VSSFGR_SnapShot; | |
1460 | reg |= ZR36057_VSSFGR_FrameGrab; | |
1461 | btwrite(reg, ZR36057_VSSFGR); | |
1462 | ||
1463 | btor(ZR36057_VDCR_VidEn, | |
1464 | ZR36057_VDCR); | |
1465 | } | |
1466 | } | |
1467 | ||
1468 | /* even if we don't grab, we do want to increment | |
1469 | * the sequence counter to see lost frames */ | |
1470 | zr->v4l_grab_seq++; | |
1471 | } | |
1472 | #if (IRQ_MASK & ZR36057_ISR_CodRepIRQ) | |
1473 | if (astat & ZR36057_ISR_CodRepIRQ) { | |
1474 | zr->intr_counter_CodRepIRQ++; | |
7f37cc9b | 1475 | IDEBUG(printk(KERN_DEBUG "%s: ZR36057_ISR_CodRepIRQ\n", |
1da177e4 LT |
1476 | ZR_DEVNAME(zr))); |
1477 | btand(~ZR36057_ICR_CodRepIRQ, ZR36057_ICR); | |
1478 | } | |
1479 | #endif /* (IRQ_MASK & ZR36057_ISR_CodRepIRQ) */ | |
1480 | ||
1481 | #if (IRQ_MASK & ZR36057_ISR_JPEGRepIRQ) | |
7f37cc9b HV |
1482 | if ((astat & ZR36057_ISR_JPEGRepIRQ) && |
1483 | (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS || | |
1484 | zr->codec_mode == BUZ_MODE_MOTION_COMPRESS)) { | |
1485 | if (zr36067_debug > 1 && (!zr->frame_num || zr->JPEG_error)) { | |
1486 | char sc[] = "0000"; | |
1487 | char sv[5]; | |
1488 | int i; | |
1489 | ||
1490 | printk(KERN_INFO | |
1491 | "%s: first frame ready: state=0x%08x odd_even=%d field_per_buff=%d delay=%d\n", | |
1492 | ZR_DEVNAME(zr), stat, | |
1493 | zr->jpg_settings.odd_even, | |
1494 | zr->jpg_settings.field_per_buff, | |
1495 | zr->JPEG_missed); | |
1496 | ||
1497 | strcpy(sv, sc); | |
1498 | for (i = 0; i < 4; i++) { | |
1499 | if (le32_to_cpu(zr->stat_com[i]) & 1) | |
1500 | sv[i] = '1'; | |
1da177e4 | 1501 | } |
7f37cc9b HV |
1502 | sv[4] = 0; |
1503 | printk(KERN_INFO | |
1504 | "%s: stat_com=%s queue_state=%ld/%ld/%ld/%ld\n", | |
1505 | ZR_DEVNAME(zr), sv, | |
1506 | zr->jpg_que_tail, | |
1507 | zr->jpg_dma_tail, | |
1508 | zr->jpg_dma_head, | |
1509 | zr->jpg_que_head); | |
1510 | } else { | |
1511 | /* Get statistics */ | |
1512 | if (zr->JPEG_missed > zr->JPEG_max_missed) | |
1513 | zr->JPEG_max_missed = zr->JPEG_missed; | |
1514 | if (zr->JPEG_missed < zr->JPEG_min_missed) | |
1515 | zr->JPEG_min_missed = zr->JPEG_missed; | |
1516 | } | |
1da177e4 | 1517 | |
7f37cc9b HV |
1518 | if (zr36067_debug > 2 && zr->frame_num < 6) { |
1519 | int i; | |
1520 | ||
1521 | printk(KERN_INFO "%s: seq=%ld stat_com:", | |
1522 | ZR_DEVNAME(zr), zr->jpg_seq_num); | |
1523 | for (i = 0; i < 4; i++) { | |
1524 | printk(KERN_CONT " %08x", | |
1525 | le32_to_cpu(zr->stat_com[i])); | |
1da177e4 | 1526 | } |
7f37cc9b HV |
1527 | printk(KERN_CONT "\n"); |
1528 | } | |
1529 | zr->frame_num++; | |
1530 | zr->JPEG_missed = 0; | |
1531 | zr->JPEG_error = 0; | |
1532 | zoran_reap_stat_com(zr); | |
1533 | zoran_feed_stat_com(zr); | |
1534 | wake_up_interruptible(&zr->jpg_capq); | |
1da177e4 LT |
1535 | } |
1536 | #endif /* (IRQ_MASK & ZR36057_ISR_JPEGRepIRQ) */ | |
1537 | ||
1538 | /* DATERR, too many fields missed, error processing */ | |
1539 | if ((astat & zr->card.jpeg_int) || | |
1540 | zr->JPEG_missed > 25 || | |
1541 | zr->JPEG_error == 1 || | |
1542 | ((zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS) && | |
7f37cc9b | 1543 | (zr->frame_num & (zr->JPEG_missed > zr->jpg_settings.field_per_buff)))) { |
1da177e4 LT |
1544 | error_handler(zr, astat, stat); |
1545 | } | |
1546 | ||
1547 | count++; | |
1548 | if (count > 10) { | |
1549 | dprintk(2, KERN_WARNING "%s: irq loop %d\n", | |
1550 | ZR_DEVNAME(zr), count); | |
1551 | if (count > 20) { | |
1552 | btand(~ZR36057_ICR_IntPinEn, ZR36057_ICR); | |
1553 | dprintk(2, | |
1554 | KERN_ERR | |
1555 | "%s: IRQ lockup, cleared int mask\n", | |
1556 | ZR_DEVNAME(zr)); | |
1557 | break; | |
1558 | } | |
1559 | } | |
1560 | zr->last_isr = stat; | |
1561 | } | |
1562 | spin_unlock_irqrestore(&zr->spinlock, flags); | |
1563 | ||
1564 | return IRQ_HANDLED; | |
1565 | } | |
1566 | ||
1567 | void | |
1568 | zoran_set_pci_master (struct zoran *zr, | |
1569 | int set_master) | |
1570 | { | |
1571 | if (set_master) { | |
1572 | pci_set_master(zr->pci_dev); | |
1573 | } else { | |
1574 | u16 command; | |
1575 | ||
1576 | pci_read_config_word(zr->pci_dev, PCI_COMMAND, &command); | |
1577 | command &= ~PCI_COMMAND_MASTER; | |
1578 | pci_write_config_word(zr->pci_dev, PCI_COMMAND, command); | |
1579 | } | |
1580 | } | |
1581 | ||
1582 | void | |
1583 | zoran_init_hardware (struct zoran *zr) | |
1584 | { | |
1585 | int j, zero = 0; | |
1586 | ||
1587 | /* Enable bus-mastering */ | |
1588 | zoran_set_pci_master(zr, 1); | |
1589 | ||
1590 | /* Initialize the board */ | |
1591 | if (zr->card.init) { | |
1592 | zr->card.init(zr); | |
1593 | } | |
1594 | ||
1595 | j = zr->card.input[zr->input].muxsel; | |
1596 | ||
1597 | decoder_command(zr, 0, NULL); | |
1598 | decoder_command(zr, DECODER_SET_NORM, &zr->norm); | |
1599 | decoder_command(zr, DECODER_SET_INPUT, &j); | |
1600 | ||
1601 | encoder_command(zr, 0, NULL); | |
1602 | encoder_command(zr, ENCODER_SET_NORM, &zr->norm); | |
1603 | encoder_command(zr, ENCODER_SET_INPUT, &zero); | |
1604 | ||
1605 | /* toggle JPEG codec sleep to sync PLL */ | |
1606 | jpeg_codec_sleep(zr, 1); | |
1607 | jpeg_codec_sleep(zr, 0); | |
1608 | ||
1609 | /* set individual interrupt enables (without GIRQ1) | |
1610 | * but don't global enable until zoran_open() */ | |
1611 | ||
1612 | //btwrite(IRQ_MASK & ~ZR36057_ISR_GIRQ1, ZR36057_ICR); // SW | |
1613 | // It looks like using only JPEGRepIRQEn is not always reliable, | |
1614 | // may be when JPEG codec crashes it won't generate IRQ? So, | |
1615 | /*CP*/ // btwrite(IRQ_MASK, ZR36057_ICR); // Enable Vsync interrupts too. SM WHY ? LP | |
1616 | zr36057_init_vfe(zr); | |
1617 | ||
1618 | zr36057_enable_jpg(zr, BUZ_MODE_IDLE); | |
1619 | ||
1620 | btwrite(IRQ_MASK, ZR36057_ISR); // Clears interrupts | |
1621 | } | |
1622 | ||
1623 | void | |
1624 | zr36057_restart (struct zoran *zr) | |
1625 | { | |
1626 | btwrite(0, ZR36057_SPGPPCR); | |
1627 | mdelay(1); | |
1628 | btor(ZR36057_SPGPPCR_SoftReset, ZR36057_SPGPPCR); | |
1629 | mdelay(1); | |
1630 | ||
1631 | /* assert P_Reset */ | |
1632 | btwrite(0, ZR36057_JPC); | |
1633 | /* set up GPIO direction - all output */ | |
1634 | btwrite(ZR36057_SPGPPCR_SoftReset | 0, ZR36057_SPGPPCR); | |
1635 | ||
1636 | /* set up GPIO pins and guest bus timing */ | |
1637 | btwrite((0x81 << 24) | 0x8888, ZR36057_GPPGCR1); | |
1638 | } | |
1639 | ||
1640 | /* | |
1641 | * initialize video front end | |
1642 | */ | |
1643 | ||
1644 | static void | |
1645 | zr36057_init_vfe (struct zoran *zr) | |
1646 | { | |
1647 | u32 reg; | |
1648 | ||
1649 | reg = btread(ZR36057_VFESPFR); | |
1650 | reg |= ZR36057_VFESPFR_LittleEndian; | |
1651 | reg &= ~ZR36057_VFESPFR_VCLKPol; | |
1652 | reg |= ZR36057_VFESPFR_ExtFl; | |
1653 | reg |= ZR36057_VFESPFR_TopField; | |
1654 | btwrite(reg, ZR36057_VFESPFR); | |
1655 | reg = btread(ZR36057_VDCR); | |
1656 | if (pci_pci_problems & PCIPCI_TRITON) | |
1657 | // || zr->revision < 1) // Revision 1 has also Triton support | |
1658 | reg &= ~ZR36057_VDCR_Triton; | |
1659 | else | |
1660 | reg |= ZR36057_VDCR_Triton; | |
1661 | btwrite(reg, ZR36057_VDCR); | |
1662 | } | |
1663 | ||
1664 | /* | |
1665 | * Interface to decoder and encoder chips using i2c bus | |
1666 | */ | |
1667 | ||
1668 | int | |
1669 | decoder_command (struct zoran *zr, | |
1670 | int cmd, | |
1671 | void *data) | |
1672 | { | |
1673 | if (zr->decoder == NULL) | |
1674 | return -EIO; | |
1675 | ||
1676 | if (zr->card.type == LML33 && | |
7bf9746d | 1677 | (cmd == DECODER_SET_NORM || cmd == DECODER_SET_INPUT)) { |
1da177e4 LT |
1678 | int res; |
1679 | ||
1680 | // Bt819 needs to reset its FIFO buffer using #FRST pin and | |
1681 | // LML33 card uses GPIO(7) for that. | |
1682 | GPIO(zr, 7, 0); | |
1683 | res = zr->decoder->driver->command(zr->decoder, cmd, data); | |
1684 | // Pull #FRST high. | |
1685 | GPIO(zr, 7, 1); | |
1686 | return res; | |
1687 | } else | |
1688 | return zr->decoder->driver->command(zr->decoder, cmd, | |
1689 | data); | |
1690 | } | |
1691 | ||
1692 | int | |
1693 | encoder_command (struct zoran *zr, | |
1694 | int cmd, | |
1695 | void *data) | |
1696 | { | |
1697 | if (zr->encoder == NULL) | |
1698 | return -1; | |
1699 | ||
1700 | return zr->encoder->driver->command(zr->encoder, cmd, data); | |
1701 | } |