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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> | |
107063c6 HV |
39 | #include <linux/videodev2.h> |
40 | #include <media/v4l2-common.h> | |
1da177e4 LT |
41 | #include <linux/spinlock.h> |
42 | #include <linux/sem.h> | |
43 | ||
44 | #include <linux/pci.h> | |
1da177e4 LT |
45 | #include <linux/delay.h> |
46 | #include <linux/wait.h> | |
47 | ||
9a6ab769 | 48 | #include <asm/byteorder.h> |
1da177e4 LT |
49 | #include <asm/io.h> |
50 | ||
51 | #include "videocodec.h" | |
52 | #include "zoran.h" | |
53 | #include "zoran_device.h" | |
18b548ca | 54 | #include "zoran_card.h" |
1da177e4 LT |
55 | |
56 | #define IRQ_MASK ( ZR36057_ISR_GIRQ0 | \ | |
57 | ZR36057_ISR_GIRQ1 | \ | |
58 | ZR36057_ISR_JPEGRepIRQ ) | |
59 | ||
90ab5ee9 | 60 | static bool lml33dpath; /* default = 0 |
ff699e6b | 61 | * 1 will use digital path in capture |
1da177e4 LT |
62 | * mode instead of analog. It can be |
63 | * used for picture adjustments using | |
64 | * tool like xawtv while watching image | |
65 | * on TV monitor connected to the output. | |
66 | * However, due to absence of 75 Ohm | |
67 | * load on Bt819 input, there will be | |
68 | * some image imperfections */ | |
69 | ||
60e3cac4 | 70 | module_param(lml33dpath, bool, 0644); |
1da177e4 LT |
71 | MODULE_PARM_DESC(lml33dpath, |
72 | "Use digital path capture mode (on LML33 cards)"); | |
73 | ||
74 | static void | |
75 | zr36057_init_vfe (struct zoran *zr); | |
76 | ||
77 | /* | |
78 | * General Purpose I/O and Guest bus access | |
79 | */ | |
80 | ||
81 | /* | |
82 | * This is a bit tricky. When a board lacks a GPIO function, the corresponding | |
83 | * GPIO bit number in the card_info structure is set to 0. | |
84 | */ | |
85 | ||
86 | void | |
87 | GPIO (struct zoran *zr, | |
88 | int bit, | |
89 | unsigned int value) | |
90 | { | |
91 | u32 reg; | |
92 | u32 mask; | |
93 | ||
94 | /* Make sure the bit number is legal | |
95 | * A bit number of -1 (lacking) gives a mask of 0, | |
96 | * making it harmless */ | |
97 | mask = (1 << (24 + bit)) & 0xff000000; | |
98 | reg = btread(ZR36057_GPPGCR1) & ~mask; | |
99 | if (value) { | |
100 | reg |= mask; | |
101 | } | |
102 | btwrite(reg, ZR36057_GPPGCR1); | |
103 | udelay(1); | |
104 | } | |
105 | ||
106 | /* | |
107 | * Wait til post office is no longer busy | |
108 | */ | |
109 | ||
110 | int | |
111 | post_office_wait (struct zoran *zr) | |
112 | { | |
113 | u32 por; | |
114 | ||
115 | // while (((por = btread(ZR36057_POR)) & (ZR36057_POR_POPen | ZR36057_POR_POTime)) == ZR36057_POR_POPen) { | |
116 | while ((por = btread(ZR36057_POR)) & ZR36057_POR_POPen) { | |
117 | /* wait for something to happen */ | |
118 | } | |
119 | if ((por & ZR36057_POR_POTime) && !zr->card.gws_not_connected) { | |
120 | /* In LML33/BUZ \GWS line is not connected, so it has always timeout set */ | |
121 | dprintk(1, KERN_INFO "%s: pop timeout %08x\n", ZR_DEVNAME(zr), | |
122 | por); | |
123 | return -1; | |
124 | } | |
125 | ||
126 | return 0; | |
127 | } | |
128 | ||
129 | int | |
130 | post_office_write (struct zoran *zr, | |
131 | unsigned int guest, | |
132 | unsigned int reg, | |
133 | unsigned int value) | |
134 | { | |
135 | u32 por; | |
136 | ||
137 | por = | |
138 | ZR36057_POR_PODir | ZR36057_POR_POTime | ((guest & 7) << 20) | | |
139 | ((reg & 7) << 16) | (value & 0xFF); | |
140 | btwrite(por, ZR36057_POR); | |
141 | ||
142 | return post_office_wait(zr); | |
143 | } | |
144 | ||
145 | int | |
146 | post_office_read (struct zoran *zr, | |
147 | unsigned int guest, | |
148 | unsigned int reg) | |
149 | { | |
150 | u32 por; | |
151 | ||
152 | por = ZR36057_POR_POTime | ((guest & 7) << 20) | ((reg & 7) << 16); | |
153 | btwrite(por, ZR36057_POR); | |
154 | if (post_office_wait(zr) < 0) { | |
155 | return -1; | |
156 | } | |
157 | ||
158 | return btread(ZR36057_POR) & 0xFF; | |
159 | } | |
160 | ||
161 | /* | |
162 | * detect guests | |
163 | */ | |
164 | ||
165 | static void | |
166 | dump_guests (struct zoran *zr) | |
167 | { | |
18b548ca | 168 | if (zr36067_debug > 2) { |
1da177e4 LT |
169 | int i, guest[8]; |
170 | ||
171 | for (i = 1; i < 8; i++) { // Don't read jpeg codec here | |
172 | guest[i] = post_office_read(zr, i, 0); | |
173 | } | |
174 | ||
175 | printk(KERN_INFO "%s: Guests:", ZR_DEVNAME(zr)); | |
176 | ||
177 | for (i = 1; i < 8; i++) { | |
178 | printk(" 0x%02x", guest[i]); | |
179 | } | |
180 | printk("\n"); | |
181 | } | |
182 | } | |
183 | ||
184 | static inline unsigned long | |
185 | get_time (void) | |
186 | { | |
187 | struct timeval tv; | |
188 | ||
189 | do_gettimeofday(&tv); | |
190 | return (1000000 * tv.tv_sec + tv.tv_usec); | |
191 | } | |
192 | ||
193 | void | |
194 | detect_guest_activity (struct zoran *zr) | |
195 | { | |
196 | int timeout, i, j, res, guest[8], guest0[8], change[8][3]; | |
197 | unsigned long t0, t1; | |
198 | ||
199 | dump_guests(zr); | |
200 | printk(KERN_INFO "%s: Detecting guests activity, please wait...\n", | |
201 | ZR_DEVNAME(zr)); | |
202 | for (i = 1; i < 8; i++) { // Don't read jpeg codec here | |
203 | guest0[i] = guest[i] = post_office_read(zr, i, 0); | |
204 | } | |
205 | ||
206 | timeout = 0; | |
207 | j = 0; | |
208 | t0 = get_time(); | |
209 | while (timeout < 10000) { | |
210 | udelay(10); | |
211 | timeout++; | |
212 | for (i = 1; (i < 8) && (j < 8); i++) { | |
213 | res = post_office_read(zr, i, 0); | |
214 | if (res != guest[i]) { | |
215 | t1 = get_time(); | |
216 | change[j][0] = (t1 - t0); | |
217 | t0 = t1; | |
218 | change[j][1] = i; | |
219 | change[j][2] = res; | |
220 | j++; | |
221 | guest[i] = res; | |
222 | } | |
223 | } | |
224 | if (j >= 8) | |
225 | break; | |
226 | } | |
227 | printk(KERN_INFO "%s: Guests:", ZR_DEVNAME(zr)); | |
228 | ||
229 | for (i = 1; i < 8; i++) { | |
230 | printk(" 0x%02x", guest0[i]); | |
231 | } | |
232 | printk("\n"); | |
233 | if (j == 0) { | |
234 | printk(KERN_INFO "%s: No activity detected.\n", ZR_DEVNAME(zr)); | |
235 | return; | |
236 | } | |
237 | for (i = 0; i < j; i++) { | |
238 | printk(KERN_INFO "%s: %6d: %d => 0x%02x\n", ZR_DEVNAME(zr), | |
239 | change[i][0], change[i][1], change[i][2]); | |
240 | } | |
241 | } | |
242 | ||
243 | /* | |
244 | * JPEG Codec access | |
245 | */ | |
246 | ||
247 | void | |
248 | jpeg_codec_sleep (struct zoran *zr, | |
249 | int sleep) | |
250 | { | |
6165894f | 251 | GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_SLEEP], !sleep); |
1da177e4 LT |
252 | if (!sleep) { |
253 | dprintk(3, | |
254 | KERN_DEBUG | |
255 | "%s: jpeg_codec_sleep() - wake GPIO=0x%08x\n", | |
256 | ZR_DEVNAME(zr), btread(ZR36057_GPPGCR1)); | |
257 | udelay(500); | |
258 | } else { | |
259 | dprintk(3, | |
260 | KERN_DEBUG | |
261 | "%s: jpeg_codec_sleep() - sleep GPIO=0x%08x\n", | |
262 | ZR_DEVNAME(zr), btread(ZR36057_GPPGCR1)); | |
263 | udelay(2); | |
264 | } | |
265 | } | |
266 | ||
267 | int | |
268 | jpeg_codec_reset (struct zoran *zr) | |
269 | { | |
270 | /* Take the codec out of sleep */ | |
271 | jpeg_codec_sleep(zr, 0); | |
272 | ||
273 | if (zr->card.gpcs[GPCS_JPEG_RESET] != 0xff) { | |
274 | post_office_write(zr, zr->card.gpcs[GPCS_JPEG_RESET], 0, | |
275 | 0); | |
276 | udelay(2); | |
277 | } else { | |
6165894f | 278 | GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_RESET], 0); |
1da177e4 | 279 | udelay(2); |
6165894f | 280 | GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_RESET], 1); |
1da177e4 LT |
281 | udelay(2); |
282 | } | |
283 | ||
284 | return 0; | |
285 | } | |
286 | ||
287 | /* | |
288 | * Set the registers for the size we have specified. Don't bother | |
289 | * trying to understand this without the ZR36057 manual in front of | |
290 | * you [AC]. | |
291 | * | |
292 | * PS: The manual is free for download in .pdf format from | |
293 | * www.zoran.com - nicely done those folks. | |
294 | */ | |
295 | ||
296 | static void | |
297 | zr36057_adjust_vfe (struct zoran *zr, | |
298 | enum zoran_codec_mode mode) | |
299 | { | |
300 | u32 reg; | |
301 | ||
302 | switch (mode) { | |
303 | case BUZ_MODE_MOTION_DECOMPRESS: | |
304 | btand(~ZR36057_VFESPFR_ExtFl, ZR36057_VFESPFR); | |
305 | reg = btread(ZR36057_VFEHCR); | |
306 | if ((reg & (1 << 10)) && zr->card.type != LML33R10) { | |
307 | reg += ((1 << 10) | 1); | |
308 | } | |
309 | btwrite(reg, ZR36057_VFEHCR); | |
310 | break; | |
311 | case BUZ_MODE_MOTION_COMPRESS: | |
312 | case BUZ_MODE_IDLE: | |
313 | default: | |
107063c6 | 314 | if ((zr->norm & V4L2_STD_NTSC) || |
1da177e4 | 315 | (zr->card.type == LML33R10 && |
107063c6 | 316 | (zr->norm & V4L2_STD_PAL))) |
1da177e4 LT |
317 | btand(~ZR36057_VFESPFR_ExtFl, ZR36057_VFESPFR); |
318 | else | |
319 | btor(ZR36057_VFESPFR_ExtFl, ZR36057_VFESPFR); | |
320 | reg = btread(ZR36057_VFEHCR); | |
321 | if (!(reg & (1 << 10)) && zr->card.type != LML33R10) { | |
322 | reg -= ((1 << 10) | 1); | |
323 | } | |
324 | btwrite(reg, ZR36057_VFEHCR); | |
325 | break; | |
326 | } | |
327 | } | |
328 | ||
329 | /* | |
330 | * set geometry | |
331 | */ | |
332 | ||
333 | static void | |
334 | zr36057_set_vfe (struct zoran *zr, | |
335 | int video_width, | |
336 | int video_height, | |
337 | const struct zoran_format *format) | |
338 | { | |
339 | struct tvnorm *tvn; | |
340 | unsigned HStart, HEnd, VStart, VEnd; | |
341 | unsigned DispMode; | |
342 | unsigned VidWinWid, VidWinHt; | |
343 | unsigned hcrop1, hcrop2, vcrop1, vcrop2; | |
344 | unsigned Wa, We, Ha, He; | |
345 | unsigned X, Y, HorDcm, VerDcm; | |
346 | u32 reg; | |
347 | unsigned mask_line_size; | |
348 | ||
349 | tvn = zr->timing; | |
350 | ||
351 | Wa = tvn->Wa; | |
352 | Ha = tvn->Ha; | |
353 | ||
354 | dprintk(2, KERN_INFO "%s: set_vfe() - width = %d, height = %d\n", | |
355 | ZR_DEVNAME(zr), video_width, video_height); | |
356 | ||
1da177e4 LT |
357 | if (video_width < BUZ_MIN_WIDTH || |
358 | video_height < BUZ_MIN_HEIGHT || | |
359 | video_width > Wa || video_height > Ha) { | |
360 | dprintk(1, KERN_ERR "%s: set_vfe: w=%d h=%d not valid\n", | |
361 | ZR_DEVNAME(zr), video_width, video_height); | |
362 | return; | |
363 | } | |
364 | ||
365 | /**** zr36057 ****/ | |
366 | ||
367 | /* horizontal */ | |
368 | VidWinWid = video_width; | |
e9e24cee | 369 | X = DIV_ROUND_UP(VidWinWid * 64, tvn->Wa); |
1da177e4 LT |
370 | We = (VidWinWid * 64) / X; |
371 | HorDcm = 64 - X; | |
372 | hcrop1 = 2 * ((tvn->Wa - We) / 4); | |
373 | hcrop2 = tvn->Wa - We - hcrop1; | |
374 | HStart = tvn->HStart ? tvn->HStart : 1; | |
375 | /* (Ronald) Original comment: | |
376 | * "| 1 Doesn't have any effect, tested on both a DC10 and a DC10+" | |
377 | * this is false. It inverses chroma values on the LML33R10 (so Cr | |
378 | * suddenly is shown as Cb and reverse, really cool effect if you | |
379 | * want to see blue faces, not useful otherwise). So don't use |1. | |
380 | * However, the DC10 has '0' as HStart, but does need |1, so we | |
381 | * use a dirty check... | |
382 | */ | |
383 | HEnd = HStart + tvn->Wa - 1; | |
384 | HStart += hcrop1; | |
385 | HEnd -= hcrop2; | |
386 | reg = ((HStart & ZR36057_VFEHCR_Hmask) << ZR36057_VFEHCR_HStart) | |
387 | | ((HEnd & ZR36057_VFEHCR_Hmask) << ZR36057_VFEHCR_HEnd); | |
388 | if (zr->card.vfe_pol.hsync_pol) | |
389 | reg |= ZR36057_VFEHCR_HSPol; | |
390 | btwrite(reg, ZR36057_VFEHCR); | |
391 | ||
392 | /* Vertical */ | |
393 | DispMode = !(video_height > BUZ_MAX_HEIGHT / 2); | |
394 | VidWinHt = DispMode ? video_height : video_height / 2; | |
e9e24cee | 395 | Y = DIV_ROUND_UP(VidWinHt * 64 * 2, tvn->Ha); |
1da177e4 LT |
396 | He = (VidWinHt * 64) / Y; |
397 | VerDcm = 64 - Y; | |
398 | vcrop1 = (tvn->Ha / 2 - He) / 2; | |
399 | vcrop2 = tvn->Ha / 2 - He - vcrop1; | |
400 | VStart = tvn->VStart; | |
401 | VEnd = VStart + tvn->Ha / 2; // - 1; FIXME SnapShot times out with -1 in 768*576 on the DC10 - LP | |
402 | VStart += vcrop1; | |
403 | VEnd -= vcrop2; | |
404 | reg = ((VStart & ZR36057_VFEVCR_Vmask) << ZR36057_VFEVCR_VStart) | |
405 | | ((VEnd & ZR36057_VFEVCR_Vmask) << ZR36057_VFEVCR_VEnd); | |
406 | if (zr->card.vfe_pol.vsync_pol) | |
407 | reg |= ZR36057_VFEVCR_VSPol; | |
408 | btwrite(reg, ZR36057_VFEVCR); | |
409 | ||
410 | /* scaler and pixel format */ | |
411 | reg = 0; | |
412 | reg |= (HorDcm << ZR36057_VFESPFR_HorDcm); | |
413 | reg |= (VerDcm << ZR36057_VFESPFR_VerDcm); | |
414 | reg |= (DispMode << ZR36057_VFESPFR_DispMode); | |
1da177e4 LT |
415 | /* RJ: I don't know, why the following has to be the opposite |
416 | * of the corresponding ZR36060 setting, but only this way | |
417 | * we get the correct colors when uncompressing to the screen */ | |
418 | //reg |= ZR36057_VFESPFR_VCLKPol; /**/ | |
419 | /* RJ: Don't know if that is needed for NTSC also */ | |
107063c6 | 420 | if (!(zr->norm & V4L2_STD_NTSC)) |
1da177e4 LT |
421 | reg |= ZR36057_VFESPFR_ExtFl; // NEEDED!!!!!!! Wolfgang |
422 | reg |= ZR36057_VFESPFR_TopField; | |
1da177e4 LT |
423 | if (HorDcm >= 48) { |
424 | reg |= 3 << ZR36057_VFESPFR_HFilter; /* 5 tap filter */ | |
425 | } else if (HorDcm >= 32) { | |
426 | reg |= 2 << ZR36057_VFESPFR_HFilter; /* 4 tap filter */ | |
427 | } else if (HorDcm >= 16) { | |
428 | reg |= 1 << ZR36057_VFESPFR_HFilter; /* 3 tap filter */ | |
429 | } | |
603d6f2c | 430 | reg |= format->vfespfr; |
1da177e4 LT |
431 | btwrite(reg, ZR36057_VFESPFR); |
432 | ||
433 | /* display configuration */ | |
434 | reg = (16 << ZR36057_VDCR_MinPix) | |
435 | | (VidWinHt << ZR36057_VDCR_VidWinHt) | |
436 | | (VidWinWid << ZR36057_VDCR_VidWinWid); | |
437 | if (pci_pci_problems & PCIPCI_TRITON) | |
438 | // || zr->revision < 1) // Revision 1 has also Triton support | |
439 | reg &= ~ZR36057_VDCR_Triton; | |
440 | else | |
441 | reg |= ZR36057_VDCR_Triton; | |
442 | btwrite(reg, ZR36057_VDCR); | |
443 | ||
444 | /* (Ronald) don't write this if overlay_mask = NULL */ | |
445 | if (zr->overlay_mask) { | |
446 | /* Write overlay clipping mask data, but don't enable overlay clipping */ | |
d56410e0 | 447 | /* RJ: since this makes only sense on the screen, we use |
1da177e4 LT |
448 | * zr->overlay_settings.width instead of video_width */ |
449 | ||
450 | mask_line_size = (BUZ_MAX_WIDTH + 31) / 32; | |
451 | reg = virt_to_bus(zr->overlay_mask); | |
452 | btwrite(reg, ZR36057_MMTR); | |
453 | reg = virt_to_bus(zr->overlay_mask + mask_line_size); | |
454 | btwrite(reg, ZR36057_MMBR); | |
455 | reg = | |
456 | mask_line_size - (zr->overlay_settings.width + | |
457 | 31) / 32; | |
458 | if (DispMode == 0) | |
459 | reg += mask_line_size; | |
460 | reg <<= ZR36057_OCR_MaskStride; | |
461 | btwrite(reg, ZR36057_OCR); | |
462 | } | |
463 | ||
464 | zr36057_adjust_vfe(zr, zr->codec_mode); | |
465 | } | |
466 | ||
467 | /* | |
468 | * Switch overlay on or off | |
469 | */ | |
470 | ||
471 | void | |
472 | zr36057_overlay (struct zoran *zr, | |
473 | int on) | |
474 | { | |
475 | u32 reg; | |
476 | ||
477 | if (on) { | |
478 | /* do the necessary settings ... */ | |
479 | btand(~ZR36057_VDCR_VidEn, ZR36057_VDCR); /* switch it off first */ | |
480 | ||
481 | zr36057_set_vfe(zr, | |
482 | zr->overlay_settings.width, | |
483 | zr->overlay_settings.height, | |
484 | zr->overlay_settings.format); | |
485 | ||
486 | /* Start and length of each line MUST be 4-byte aligned. | |
698f9315 | 487 | * This should be already checked before the call to this routine. |
1da177e4 LT |
488 | * All error messages are internal driver checking only! */ |
489 | ||
490 | /* video display top and bottom registers */ | |
7f6adeaf | 491 | reg = (long) zr->vbuf_base + |
1da177e4 LT |
492 | zr->overlay_settings.x * |
493 | ((zr->overlay_settings.format->depth + 7) / 8) + | |
494 | zr->overlay_settings.y * | |
7f6adeaf | 495 | zr->vbuf_bytesperline; |
1da177e4 LT |
496 | btwrite(reg, ZR36057_VDTR); |
497 | if (reg & 3) | |
498 | dprintk(1, | |
499 | KERN_ERR | |
500 | "%s: zr36057_overlay() - video_address not aligned\n", | |
501 | ZR_DEVNAME(zr)); | |
502 | if (zr->overlay_settings.height > BUZ_MAX_HEIGHT / 2) | |
7f6adeaf | 503 | reg += zr->vbuf_bytesperline; |
1da177e4 LT |
504 | btwrite(reg, ZR36057_VDBR); |
505 | ||
506 | /* video stride, status, and frame grab register */ | |
7f6adeaf | 507 | reg = zr->vbuf_bytesperline - |
1da177e4 LT |
508 | zr->overlay_settings.width * |
509 | ((zr->overlay_settings.format->depth + 7) / 8); | |
510 | if (zr->overlay_settings.height > BUZ_MAX_HEIGHT / 2) | |
7f6adeaf | 511 | reg += zr->vbuf_bytesperline; |
1da177e4 LT |
512 | if (reg & 3) |
513 | dprintk(1, | |
514 | KERN_ERR | |
515 | "%s: zr36057_overlay() - video_stride not aligned\n", | |
516 | ZR_DEVNAME(zr)); | |
517 | reg = (reg << ZR36057_VSSFGR_DispStride); | |
518 | reg |= ZR36057_VSSFGR_VidOvf; /* clear overflow status */ | |
519 | btwrite(reg, ZR36057_VSSFGR); | |
520 | ||
521 | /* Set overlay clipping */ | |
522 | if (zr->overlay_settings.clipcount > 0) | |
523 | btor(ZR36057_OCR_OvlEnable, ZR36057_OCR); | |
524 | ||
525 | /* ... and switch it on */ | |
526 | btor(ZR36057_VDCR_VidEn, ZR36057_VDCR); | |
527 | } else { | |
528 | /* Switch it off */ | |
529 | btand(~ZR36057_VDCR_VidEn, ZR36057_VDCR); | |
530 | } | |
531 | } | |
532 | ||
533 | /* | |
534 | * The overlay mask has one bit for each pixel on a scan line, | |
535 | * and the maximum window size is BUZ_MAX_WIDTH * BUZ_MAX_HEIGHT pixels. | |
536 | */ | |
537 | ||
e5ee3f64 | 538 | void write_overlay_mask(struct zoran_fh *fh, struct v4l2_clip *vp, int count) |
1da177e4 | 539 | { |
1da177e4 LT |
540 | struct zoran *zr = fh->zr; |
541 | unsigned mask_line_size = (BUZ_MAX_WIDTH + 31) / 32; | |
542 | u32 *mask; | |
543 | int x, y, width, height; | |
544 | unsigned i, j, k; | |
1da177e4 LT |
545 | |
546 | /* fill mask with one bits */ | |
547 | memset(fh->overlay_mask, ~0, mask_line_size * 4 * BUZ_MAX_HEIGHT); | |
1da177e4 LT |
548 | |
549 | for (i = 0; i < count; ++i) { | |
550 | /* pick up local copy of clip */ | |
7f6adeaf HV |
551 | x = vp[i].c.left; |
552 | y = vp[i].c.top; | |
553 | width = vp[i].c.width; | |
554 | height = vp[i].c.height; | |
1da177e4 LT |
555 | |
556 | /* trim clips that extend beyond the window */ | |
557 | if (x < 0) { | |
558 | width += x; | |
559 | x = 0; | |
560 | } | |
561 | if (y < 0) { | |
562 | height += y; | |
563 | y = 0; | |
564 | } | |
565 | if (x + width > fh->overlay_settings.width) { | |
566 | width = fh->overlay_settings.width - x; | |
567 | } | |
568 | if (y + height > fh->overlay_settings.height) { | |
569 | height = fh->overlay_settings.height - y; | |
570 | } | |
571 | ||
572 | /* ignore degenerate clips */ | |
573 | if (height <= 0) { | |
574 | continue; | |
575 | } | |
576 | if (width <= 0) { | |
577 | continue; | |
578 | } | |
579 | ||
580 | /* apply clip for each scan line */ | |
581 | for (j = 0; j < height; ++j) { | |
582 | /* reset bit for each pixel */ | |
583 | /* this can be optimized later if need be */ | |
584 | mask = fh->overlay_mask + (y + j) * mask_line_size; | |
585 | for (k = 0; k < width; ++k) { | |
586 | mask[(x + k) / 32] &= | |
587 | ~((u32) 1 << (x + k) % 32); | |
588 | } | |
589 | } | |
590 | } | |
591 | } | |
592 | ||
593 | /* Enable/Disable uncompressed memory grabbing of the 36057 */ | |
594 | ||
595 | void | |
596 | zr36057_set_memgrab (struct zoran *zr, | |
597 | int mode) | |
598 | { | |
599 | if (mode) { | |
9896bbc1 TP |
600 | /* We only check SnapShot and not FrameGrab here. SnapShot==1 |
601 | * means a capture is already in progress, but FrameGrab==1 | |
602 | * doesn't necessary mean that. It's more correct to say a 1 | |
603 | * to 0 transition indicates a capture completed. If a | |
604 | * capture is pending when capturing is tuned off, FrameGrab | |
605 | * will be stuck at 1 until capturing is turned back on. | |
606 | */ | |
607 | if (btread(ZR36057_VSSFGR) & ZR36057_VSSFGR_SnapShot) | |
1da177e4 LT |
608 | dprintk(1, |
609 | KERN_WARNING | |
9896bbc1 | 610 | "%s: zr36057_set_memgrab(1) with SnapShot on!?\n", |
1da177e4 LT |
611 | ZR_DEVNAME(zr)); |
612 | ||
613 | /* switch on VSync interrupts */ | |
614 | btwrite(IRQ_MASK, ZR36057_ISR); // Clear Interrupts | |
615 | btor(zr->card.vsync_int, ZR36057_ICR); // SW | |
616 | ||
617 | /* enable SnapShot */ | |
618 | btor(ZR36057_VSSFGR_SnapShot, ZR36057_VSSFGR); | |
619 | ||
620 | /* Set zr36057 video front end and enable video */ | |
621 | zr36057_set_vfe(zr, zr->v4l_settings.width, | |
622 | zr->v4l_settings.height, | |
623 | zr->v4l_settings.format); | |
624 | ||
625 | zr->v4l_memgrab_active = 1; | |
626 | } else { | |
1da177e4 LT |
627 | /* switch off VSync interrupts */ |
628 | btand(~zr->card.vsync_int, ZR36057_ICR); // SW | |
629 | ||
9896bbc1 TP |
630 | zr->v4l_memgrab_active = 0; |
631 | zr->v4l_grab_frame = NO_GRAB_ACTIVE; | |
632 | ||
1da177e4 LT |
633 | /* reenable grabbing to screen if it was running */ |
634 | if (zr->v4l_overlay_active) { | |
635 | zr36057_overlay(zr, 1); | |
636 | } else { | |
637 | btand(~ZR36057_VDCR_VidEn, ZR36057_VDCR); | |
638 | btand(~ZR36057_VSSFGR_SnapShot, ZR36057_VSSFGR); | |
639 | } | |
640 | } | |
641 | } | |
642 | ||
643 | int | |
644 | wait_grab_pending (struct zoran *zr) | |
645 | { | |
646 | unsigned long flags; | |
647 | ||
648 | /* wait until all pending grabs are finished */ | |
649 | ||
650 | if (!zr->v4l_memgrab_active) | |
651 | return 0; | |
652 | ||
653 | wait_event_interruptible(zr->v4l_capq, | |
654 | (zr->v4l_pend_tail == zr->v4l_pend_head)); | |
655 | if (signal_pending(current)) | |
656 | return -ERESTARTSYS; | |
657 | ||
658 | spin_lock_irqsave(&zr->spinlock, flags); | |
659 | zr36057_set_memgrab(zr, 0); | |
660 | spin_unlock_irqrestore(&zr->spinlock, flags); | |
661 | ||
662 | return 0; | |
663 | } | |
664 | ||
665 | /***************************************************************************** | |
666 | * * | |
667 | * Set up the Buz-specific MJPEG part * | |
668 | * * | |
669 | *****************************************************************************/ | |
670 | ||
671 | static inline void | |
672 | set_frame (struct zoran *zr, | |
673 | int val) | |
674 | { | |
6165894f | 675 | GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_FRAME], val); |
1da177e4 LT |
676 | } |
677 | ||
678 | static void | |
679 | set_videobus_dir (struct zoran *zr, | |
680 | int val) | |
681 | { | |
682 | switch (zr->card.type) { | |
683 | case LML33: | |
684 | case LML33R10: | |
1b21e218 | 685 | if (!lml33dpath) |
1da177e4 LT |
686 | GPIO(zr, 5, val); |
687 | else | |
688 | GPIO(zr, 5, 1); | |
689 | break; | |
690 | default: | |
6165894f MCC |
691 | GPIO(zr, zr->card.gpio[ZR_GPIO_VID_DIR], |
692 | zr->card.gpio_pol[ZR_GPIO_VID_DIR] ? !val : val); | |
1da177e4 LT |
693 | break; |
694 | } | |
695 | } | |
696 | ||
697 | static void | |
698 | init_jpeg_queue (struct zoran *zr) | |
699 | { | |
700 | int i; | |
701 | ||
702 | /* re-initialize DMA ring stuff */ | |
703 | zr->jpg_que_head = 0; | |
704 | zr->jpg_dma_head = 0; | |
705 | zr->jpg_dma_tail = 0; | |
706 | zr->jpg_que_tail = 0; | |
707 | zr->jpg_seq_num = 0; | |
708 | zr->JPEG_error = 0; | |
709 | zr->num_errors = 0; | |
710 | zr->jpg_err_seq = 0; | |
711 | zr->jpg_err_shift = 0; | |
712 | zr->jpg_queued_num = 0; | |
713 | for (i = 0; i < zr->jpg_buffers.num_buffers; i++) { | |
714 | zr->jpg_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */ | |
715 | } | |
716 | for (i = 0; i < BUZ_NUM_STAT_COM; i++) { | |
717 | zr->stat_com[i] = cpu_to_le32(1); /* mark as unavailable to zr36057 */ | |
718 | } | |
719 | } | |
720 | ||
721 | static void | |
722 | zr36057_set_jpg (struct zoran *zr, | |
723 | enum zoran_codec_mode mode) | |
724 | { | |
725 | struct tvnorm *tvn; | |
726 | u32 reg; | |
727 | ||
728 | tvn = zr->timing; | |
729 | ||
730 | /* assert P_Reset, disable code transfer, deassert Active */ | |
731 | btwrite(0, ZR36057_JPC); | |
732 | ||
733 | /* MJPEG compression mode */ | |
734 | switch (mode) { | |
735 | ||
736 | case BUZ_MODE_MOTION_COMPRESS: | |
737 | default: | |
738 | reg = ZR36057_JMC_MJPGCmpMode; | |
739 | break; | |
740 | ||
741 | case BUZ_MODE_MOTION_DECOMPRESS: | |
742 | reg = ZR36057_JMC_MJPGExpMode; | |
743 | reg |= ZR36057_JMC_SyncMstr; | |
744 | /* RJ: The following is experimental - improves the output to screen */ | |
745 | //if(zr->jpg_settings.VFIFO_FB) reg |= ZR36057_JMC_VFIFO_FB; // No, it doesn't. SM | |
746 | break; | |
747 | ||
748 | case BUZ_MODE_STILL_COMPRESS: | |
749 | reg = ZR36057_JMC_JPGCmpMode; | |
750 | break; | |
751 | ||
752 | case BUZ_MODE_STILL_DECOMPRESS: | |
753 | reg = ZR36057_JMC_JPGExpMode; | |
754 | break; | |
755 | ||
756 | } | |
757 | reg |= ZR36057_JMC_JPG; | |
758 | if (zr->jpg_settings.field_per_buff == 1) | |
759 | reg |= ZR36057_JMC_Fld_per_buff; | |
760 | btwrite(reg, ZR36057_JMC); | |
761 | ||
762 | /* vertical */ | |
763 | btor(ZR36057_VFEVCR_VSPol, ZR36057_VFEVCR); | |
764 | reg = (6 << ZR36057_VSP_VsyncSize) | | |
765 | (tvn->Ht << ZR36057_VSP_FrmTot); | |
766 | btwrite(reg, ZR36057_VSP); | |
767 | reg = ((zr->jpg_settings.img_y + tvn->VStart) << ZR36057_FVAP_NAY) | | |
768 | (zr->jpg_settings.img_height << ZR36057_FVAP_PAY); | |
769 | btwrite(reg, ZR36057_FVAP); | |
770 | ||
771 | /* horizontal */ | |
772 | if (zr->card.vfe_pol.hsync_pol) | |
773 | btor(ZR36057_VFEHCR_HSPol, ZR36057_VFEHCR); | |
774 | else | |
d56410e0 | 775 | btand(~ZR36057_VFEHCR_HSPol, ZR36057_VFEHCR); |
1da177e4 LT |
776 | reg = ((tvn->HSyncStart) << ZR36057_HSP_HsyncStart) | |
777 | (tvn->Wt << ZR36057_HSP_LineTot); | |
778 | btwrite(reg, ZR36057_HSP); | |
779 | reg = ((zr->jpg_settings.img_x + | |
d56410e0 | 780 | tvn->HStart + 4) << ZR36057_FHAP_NAX) | |
1da177e4 LT |
781 | (zr->jpg_settings.img_width << ZR36057_FHAP_PAX); |
782 | btwrite(reg, ZR36057_FHAP); | |
783 | ||
784 | /* field process parameters */ | |
785 | if (zr->jpg_settings.odd_even) | |
786 | reg = ZR36057_FPP_Odd_Even; | |
787 | else | |
788 | reg = 0; | |
789 | ||
790 | btwrite(reg, ZR36057_FPP); | |
791 | ||
792 | /* Set proper VCLK Polarity, else colors will be wrong during playback */ | |
793 | //btor(ZR36057_VFESPFR_VCLKPol, ZR36057_VFESPFR); | |
794 | ||
795 | /* code base address */ | |
796 | reg = virt_to_bus(zr->stat_com); | |
797 | btwrite(reg, ZR36057_JCBA); | |
798 | ||
799 | /* FIFO threshold (FIFO is 160. double words) */ | |
800 | /* NOTE: decimal values here */ | |
801 | switch (mode) { | |
802 | ||
803 | case BUZ_MODE_STILL_COMPRESS: | |
804 | case BUZ_MODE_MOTION_COMPRESS: | |
805 | if (zr->card.type != BUZ) | |
806 | reg = 140; | |
807 | else | |
808 | reg = 60; | |
809 | break; | |
810 | ||
811 | case BUZ_MODE_STILL_DECOMPRESS: | |
812 | case BUZ_MODE_MOTION_DECOMPRESS: | |
813 | reg = 20; | |
814 | break; | |
815 | ||
816 | default: | |
817 | reg = 80; | |
818 | break; | |
819 | ||
820 | } | |
821 | btwrite(reg, ZR36057_JCFT); | |
822 | zr36057_adjust_vfe(zr, mode); | |
823 | ||
824 | } | |
825 | ||
826 | void | |
827 | print_interrupts (struct zoran *zr) | |
828 | { | |
829 | int res, noerr = 0; | |
830 | ||
831 | printk(KERN_INFO "%s: interrupts received:", ZR_DEVNAME(zr)); | |
832 | if ((res = zr->field_counter) < -1 || res > 1) { | |
833 | printk(" FD:%d", res); | |
834 | } | |
835 | if ((res = zr->intr_counter_GIRQ1) != 0) { | |
836 | printk(" GIRQ1:%d", res); | |
837 | noerr++; | |
838 | } | |
839 | if ((res = zr->intr_counter_GIRQ0) != 0) { | |
840 | printk(" GIRQ0:%d", res); | |
841 | noerr++; | |
842 | } | |
843 | if ((res = zr->intr_counter_CodRepIRQ) != 0) { | |
844 | printk(" CodRepIRQ:%d", res); | |
845 | noerr++; | |
846 | } | |
847 | if ((res = zr->intr_counter_JPEGRepIRQ) != 0) { | |
848 | printk(" JPEGRepIRQ:%d", res); | |
849 | noerr++; | |
850 | } | |
851 | if (zr->JPEG_max_missed) { | |
852 | printk(" JPEG delays: max=%d min=%d", zr->JPEG_max_missed, | |
853 | zr->JPEG_min_missed); | |
854 | } | |
855 | if (zr->END_event_missed) { | |
856 | printk(" ENDs missed: %d", zr->END_event_missed); | |
857 | } | |
858 | //if (zr->jpg_queued_num) { | |
859 | printk(" queue_state=%ld/%ld/%ld/%ld", zr->jpg_que_tail, | |
860 | zr->jpg_dma_tail, zr->jpg_dma_head, zr->jpg_que_head); | |
861 | //} | |
862 | if (!noerr) { | |
863 | printk(": no interrupts detected."); | |
864 | } | |
865 | printk("\n"); | |
866 | } | |
867 | ||
868 | void | |
869 | clear_interrupt_counters (struct zoran *zr) | |
870 | { | |
871 | zr->intr_counter_GIRQ1 = 0; | |
872 | zr->intr_counter_GIRQ0 = 0; | |
873 | zr->intr_counter_CodRepIRQ = 0; | |
874 | zr->intr_counter_JPEGRepIRQ = 0; | |
875 | zr->field_counter = 0; | |
876 | zr->IRQ1_in = 0; | |
877 | zr->IRQ1_out = 0; | |
878 | zr->JPEG_in = 0; | |
879 | zr->JPEG_out = 0; | |
880 | zr->JPEG_0 = 0; | |
881 | zr->JPEG_1 = 0; | |
882 | zr->END_event_missed = 0; | |
883 | zr->JPEG_missed = 0; | |
884 | zr->JPEG_max_missed = 0; | |
885 | zr->JPEG_min_missed = 0x7fffffff; | |
886 | } | |
887 | ||
888 | static u32 | |
889 | count_reset_interrupt (struct zoran *zr) | |
890 | { | |
891 | u32 isr; | |
892 | ||
893 | if ((isr = btread(ZR36057_ISR) & 0x78000000)) { | |
894 | if (isr & ZR36057_ISR_GIRQ1) { | |
895 | btwrite(ZR36057_ISR_GIRQ1, ZR36057_ISR); | |
896 | zr->intr_counter_GIRQ1++; | |
897 | } | |
898 | if (isr & ZR36057_ISR_GIRQ0) { | |
899 | btwrite(ZR36057_ISR_GIRQ0, ZR36057_ISR); | |
900 | zr->intr_counter_GIRQ0++; | |
901 | } | |
902 | if (isr & ZR36057_ISR_CodRepIRQ) { | |
903 | btwrite(ZR36057_ISR_CodRepIRQ, ZR36057_ISR); | |
904 | zr->intr_counter_CodRepIRQ++; | |
905 | } | |
906 | if (isr & ZR36057_ISR_JPEGRepIRQ) { | |
907 | btwrite(ZR36057_ISR_JPEGRepIRQ, ZR36057_ISR); | |
908 | zr->intr_counter_JPEGRepIRQ++; | |
909 | } | |
910 | } | |
911 | return isr; | |
912 | } | |
913 | ||
1da177e4 LT |
914 | void |
915 | jpeg_start (struct zoran *zr) | |
916 | { | |
917 | int reg; | |
918 | ||
919 | zr->frame_num = 0; | |
920 | ||
921 | /* deassert P_reset, disable code transfer, deassert Active */ | |
922 | btwrite(ZR36057_JPC_P_Reset, ZR36057_JPC); | |
923 | /* stop flushing the internal code buffer */ | |
924 | btand(~ZR36057_MCTCR_CFlush, ZR36057_MCTCR); | |
925 | /* enable code transfer */ | |
926 | btor(ZR36057_JPC_CodTrnsEn, ZR36057_JPC); | |
927 | ||
928 | /* clear IRQs */ | |
929 | btwrite(IRQ_MASK, ZR36057_ISR); | |
930 | /* enable the JPEG IRQs */ | |
931 | btwrite(zr->card.jpeg_int | | |
932 | ZR36057_ICR_JPEGRepIRQ | | |
933 | ZR36057_ICR_IntPinEn, | |
934 | ZR36057_ICR); | |
935 | ||
936 | set_frame(zr, 0); // \FRAME | |
937 | ||
938 | /* set the JPEG codec guest ID */ | |
939 | reg = (zr->card.gpcs[1] << ZR36057_JCGI_JPEGuestID) | | |
940 | (0 << ZR36057_JCGI_JPEGuestReg); | |
941 | btwrite(reg, ZR36057_JCGI); | |
942 | ||
943 | if (zr->card.video_vfe == CODEC_TYPE_ZR36016 && | |
944 | zr->card.video_codec == CODEC_TYPE_ZR36050) { | |
945 | /* Enable processing on the ZR36016 */ | |
946 | if (zr->vfe) | |
947 | zr36016_write(zr->vfe, 0, 1); | |
948 | ||
949 | /* load the address of the GO register in the ZR36050 latch */ | |
950 | post_office_write(zr, 0, 0, 0); | |
951 | } | |
952 | ||
953 | /* assert Active */ | |
954 | btor(ZR36057_JPC_Active, ZR36057_JPC); | |
955 | ||
956 | /* enable the Go generation */ | |
957 | btor(ZR36057_JMC_Go_en, ZR36057_JMC); | |
958 | udelay(30); | |
959 | ||
960 | set_frame(zr, 1); // /FRAME | |
961 | ||
962 | dprintk(3, KERN_DEBUG "%s: jpeg_start\n", ZR_DEVNAME(zr)); | |
963 | } | |
964 | ||
965 | void | |
966 | zr36057_enable_jpg (struct zoran *zr, | |
967 | enum zoran_codec_mode mode) | |
968 | { | |
1da177e4 LT |
969 | struct vfe_settings cap; |
970 | int field_size = | |
971 | zr->jpg_buffers.buffer_size / zr->jpg_settings.field_per_buff; | |
972 | ||
973 | zr->codec_mode = mode; | |
974 | ||
975 | cap.x = zr->jpg_settings.img_x; | |
976 | cap.y = zr->jpg_settings.img_y; | |
977 | cap.width = zr->jpg_settings.img_width; | |
978 | cap.height = zr->jpg_settings.img_height; | |
979 | cap.decimation = | |
980 | zr->jpg_settings.HorDcm | (zr->jpg_settings.VerDcm << 8); | |
981 | cap.quality = zr->jpg_settings.jpg_comp.quality; | |
982 | ||
983 | switch (mode) { | |
984 | ||
985 | case BUZ_MODE_MOTION_COMPRESS: { | |
986 | struct jpeg_app_marker app; | |
987 | struct jpeg_com_marker com; | |
988 | ||
989 | /* In motion compress mode, the decoder output must be enabled, and | |
990 | * the video bus direction set to input. | |
991 | */ | |
992 | set_videobus_dir(zr, 0); | |
0ab6e1c3 | 993 | decoder_call(zr, video, s_stream, 1); |
5325b427 | 994 | encoder_call(zr, video, s_routing, 0, 0, 0); |
1da177e4 LT |
995 | |
996 | /* Take the JPEG codec and the VFE out of sleep */ | |
997 | jpeg_codec_sleep(zr, 0); | |
998 | ||
999 | /* set JPEG app/com marker */ | |
1000 | app.appn = zr->jpg_settings.jpg_comp.APPn; | |
1001 | app.len = zr->jpg_settings.jpg_comp.APP_len; | |
1002 | memcpy(app.data, zr->jpg_settings.jpg_comp.APP_data, 60); | |
1003 | zr->codec->control(zr->codec, CODEC_S_JPEG_APP_DATA, | |
1004 | sizeof(struct jpeg_app_marker), &app); | |
1005 | ||
1006 | com.len = zr->jpg_settings.jpg_comp.COM_len; | |
1007 | memcpy(com.data, zr->jpg_settings.jpg_comp.COM_data, 60); | |
1008 | zr->codec->control(zr->codec, CODEC_S_JPEG_COM_DATA, | |
1009 | sizeof(struct jpeg_com_marker), &com); | |
1010 | ||
1011 | /* Setup the JPEG codec */ | |
1012 | zr->codec->control(zr->codec, CODEC_S_JPEG_TDS_BYTE, | |
1013 | sizeof(int), &field_size); | |
1014 | zr->codec->set_video(zr->codec, zr->timing, &cap, | |
1015 | &zr->card.vfe_pol); | |
1016 | zr->codec->set_mode(zr->codec, CODEC_DO_COMPRESSION); | |
1017 | ||
1018 | /* Setup the VFE */ | |
1019 | if (zr->vfe) { | |
1020 | zr->vfe->control(zr->vfe, CODEC_S_JPEG_TDS_BYTE, | |
1021 | sizeof(int), &field_size); | |
1022 | zr->vfe->set_video(zr->vfe, zr->timing, &cap, | |
1023 | &zr->card.vfe_pol); | |
1024 | zr->vfe->set_mode(zr->vfe, CODEC_DO_COMPRESSION); | |
1025 | } | |
1026 | ||
1027 | init_jpeg_queue(zr); | |
1028 | zr36057_set_jpg(zr, mode); // \P_Reset, ... Video param, FIFO | |
1029 | ||
1030 | clear_interrupt_counters(zr); | |
1031 | dprintk(2, KERN_INFO "%s: enable_jpg(MOTION_COMPRESS)\n", | |
1032 | ZR_DEVNAME(zr)); | |
1033 | break; | |
1034 | } | |
1035 | ||
1036 | case BUZ_MODE_MOTION_DECOMPRESS: | |
1037 | /* In motion decompression mode, the decoder output must be disabled, and | |
1038 | * the video bus direction set to output. | |
1039 | */ | |
0ab6e1c3 | 1040 | decoder_call(zr, video, s_stream, 0); |
1da177e4 | 1041 | set_videobus_dir(zr, 1); |
5325b427 | 1042 | encoder_call(zr, video, s_routing, 1, 0, 0); |
1da177e4 LT |
1043 | |
1044 | /* Take the JPEG codec and the VFE out of sleep */ | |
1045 | jpeg_codec_sleep(zr, 0); | |
1046 | /* Setup the VFE */ | |
1047 | if (zr->vfe) { | |
1048 | zr->vfe->set_video(zr->vfe, zr->timing, &cap, | |
1049 | &zr->card.vfe_pol); | |
1050 | zr->vfe->set_mode(zr->vfe, CODEC_DO_EXPANSION); | |
1051 | } | |
1052 | /* Setup the JPEG codec */ | |
1053 | zr->codec->set_video(zr->codec, zr->timing, &cap, | |
1054 | &zr->card.vfe_pol); | |
1055 | zr->codec->set_mode(zr->codec, CODEC_DO_EXPANSION); | |
1056 | ||
1057 | init_jpeg_queue(zr); | |
1058 | zr36057_set_jpg(zr, mode); // \P_Reset, ... Video param, FIFO | |
1059 | ||
1060 | clear_interrupt_counters(zr); | |
1061 | dprintk(2, KERN_INFO "%s: enable_jpg(MOTION_DECOMPRESS)\n", | |
1062 | ZR_DEVNAME(zr)); | |
1063 | break; | |
1064 | ||
1065 | case BUZ_MODE_IDLE: | |
1066 | default: | |
1067 | /* shut down processing */ | |
1068 | btand(~(zr->card.jpeg_int | ZR36057_ICR_JPEGRepIRQ), | |
1069 | ZR36057_ICR); | |
1070 | btwrite(zr->card.jpeg_int | ZR36057_ICR_JPEGRepIRQ, | |
1071 | ZR36057_ISR); | |
1072 | btand(~ZR36057_JMC_Go_en, ZR36057_JMC); // \Go_en | |
1073 | ||
1074 | msleep(50); | |
1075 | ||
1076 | set_videobus_dir(zr, 0); | |
1077 | set_frame(zr, 1); // /FRAME | |
1078 | btor(ZR36057_MCTCR_CFlush, ZR36057_MCTCR); // /CFlush | |
1079 | btwrite(0, ZR36057_JPC); // \P_Reset,\CodTrnsEn,\Active | |
1080 | btand(~ZR36057_JMC_VFIFO_FB, ZR36057_JMC); | |
1081 | btand(~ZR36057_JMC_SyncMstr, ZR36057_JMC); | |
1082 | jpeg_codec_reset(zr); | |
1083 | jpeg_codec_sleep(zr, 1); | |
1084 | zr36057_adjust_vfe(zr, mode); | |
1085 | ||
0ab6e1c3 | 1086 | decoder_call(zr, video, s_stream, 1); |
5325b427 | 1087 | encoder_call(zr, video, s_routing, 0, 0, 0); |
1da177e4 LT |
1088 | |
1089 | dprintk(2, KERN_INFO "%s: enable_jpg(IDLE)\n", ZR_DEVNAME(zr)); | |
1090 | break; | |
1091 | ||
1092 | } | |
1093 | } | |
1094 | ||
1095 | /* when this is called the spinlock must be held */ | |
1096 | void | |
1097 | zoran_feed_stat_com (struct zoran *zr) | |
1098 | { | |
1099 | /* move frames from pending queue to DMA */ | |
1100 | ||
1101 | int frame, i, max_stat_com; | |
1102 | ||
1103 | max_stat_com = | |
1104 | (zr->jpg_settings.TmpDcm == | |
1105 | 1) ? BUZ_NUM_STAT_COM : (BUZ_NUM_STAT_COM >> 1); | |
1106 | ||
1107 | while ((zr->jpg_dma_head - zr->jpg_dma_tail) < max_stat_com && | |
1108 | zr->jpg_dma_head < zr->jpg_que_head) { | |
1109 | ||
1110 | frame = zr->jpg_pend[zr->jpg_dma_head & BUZ_MASK_FRAME]; | |
1111 | if (zr->jpg_settings.TmpDcm == 1) { | |
1112 | /* fill 1 stat_com entry */ | |
1113 | i = (zr->jpg_dma_head - | |
1114 | zr->jpg_err_shift) & BUZ_MASK_STAT_COM; | |
1115 | if (!(zr->stat_com[i] & cpu_to_le32(1))) | |
1116 | break; | |
1117 | zr->stat_com[i] = | |
1159b7f1 | 1118 | cpu_to_le32(zr->jpg_buffers.buffer[frame].jpg.frag_tab_bus); |
1da177e4 LT |
1119 | } else { |
1120 | /* fill 2 stat_com entries */ | |
1121 | i = ((zr->jpg_dma_head - | |
1122 | zr->jpg_err_shift) & 1) * 2; | |
1123 | if (!(zr->stat_com[i] & cpu_to_le32(1))) | |
1124 | break; | |
1125 | zr->stat_com[i] = | |
1159b7f1 | 1126 | cpu_to_le32(zr->jpg_buffers.buffer[frame].jpg.frag_tab_bus); |
1da177e4 | 1127 | zr->stat_com[i + 1] = |
1159b7f1 | 1128 | cpu_to_le32(zr->jpg_buffers.buffer[frame].jpg.frag_tab_bus); |
1da177e4 LT |
1129 | } |
1130 | zr->jpg_buffers.buffer[frame].state = BUZ_STATE_DMA; | |
1131 | zr->jpg_dma_head++; | |
1132 | ||
1133 | } | |
1134 | if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS) | |
1135 | zr->jpg_queued_num++; | |
1136 | } | |
1137 | ||
1138 | /* when this is called the spinlock must be held */ | |
1139 | static void | |
1140 | zoran_reap_stat_com (struct zoran *zr) | |
1141 | { | |
1142 | /* move frames from DMA queue to done queue */ | |
1143 | ||
1144 | int i; | |
1145 | u32 stat_com; | |
1146 | unsigned int seq; | |
1147 | unsigned int dif; | |
1159b7f1 | 1148 | struct zoran_buffer *buffer; |
1da177e4 LT |
1149 | int frame; |
1150 | ||
1151 | /* In motion decompress we don't have a hardware frame counter, | |
1152 | * we just count the interrupts here */ | |
1153 | ||
1154 | if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS) { | |
1155 | zr->jpg_seq_num++; | |
1156 | } | |
1157 | while (zr->jpg_dma_tail < zr->jpg_dma_head) { | |
1158 | if (zr->jpg_settings.TmpDcm == 1) | |
1159 | i = (zr->jpg_dma_tail - | |
1160 | zr->jpg_err_shift) & BUZ_MASK_STAT_COM; | |
1161 | else | |
1162 | i = ((zr->jpg_dma_tail - | |
1163 | zr->jpg_err_shift) & 1) * 2 + 1; | |
1164 | ||
1165 | stat_com = le32_to_cpu(zr->stat_com[i]); | |
1166 | ||
1167 | if ((stat_com & 1) == 0) { | |
1168 | return; | |
1169 | } | |
1170 | frame = zr->jpg_pend[zr->jpg_dma_tail & BUZ_MASK_FRAME]; | |
1171 | buffer = &zr->jpg_buffers.buffer[frame]; | |
8e6057b5 | 1172 | v4l2_get_timestamp(&buffer->bs.timestamp); |
1da177e4 LT |
1173 | |
1174 | if (zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) { | |
1175 | buffer->bs.length = (stat_com & 0x7fffff) >> 1; | |
1176 | ||
1177 | /* update sequence number with the help of the counter in stat_com */ | |
1178 | ||
1179 | seq = ((stat_com >> 24) + zr->jpg_err_seq) & 0xff; | |
1180 | dif = (seq - zr->jpg_seq_num) & 0xff; | |
1181 | zr->jpg_seq_num += dif; | |
1182 | } else { | |
1183 | buffer->bs.length = 0; | |
1184 | } | |
1185 | buffer->bs.seq = | |
1186 | zr->jpg_settings.TmpDcm == | |
1187 | 2 ? (zr->jpg_seq_num >> 1) : zr->jpg_seq_num; | |
1188 | buffer->state = BUZ_STATE_DONE; | |
1189 | ||
1190 | zr->jpg_dma_tail++; | |
1191 | } | |
1192 | } | |
1193 | ||
7f37cc9b HV |
1194 | static void zoran_restart(struct zoran *zr) |
1195 | { | |
1196 | /* Now the stat_comm buffer is ready for restart */ | |
db1b7265 MN |
1197 | unsigned int status = 0; |
1198 | int mode; | |
7f37cc9b HV |
1199 | |
1200 | if (zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) { | |
0ab6e1c3 | 1201 | decoder_call(zr, video, g_input_status, &status); |
7f37cc9b HV |
1202 | mode = CODEC_DO_COMPRESSION; |
1203 | } else { | |
107063c6 | 1204 | status = V4L2_IN_ST_NO_SIGNAL; |
7f37cc9b HV |
1205 | mode = CODEC_DO_EXPANSION; |
1206 | } | |
1207 | if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS || | |
107063c6 | 1208 | !(status & V4L2_IN_ST_NO_SIGNAL)) { |
7f37cc9b HV |
1209 | /********** RESTART code *************/ |
1210 | jpeg_codec_reset(zr); | |
1211 | zr->codec->set_mode(zr->codec, mode); | |
1212 | zr36057_set_jpg(zr, zr->codec_mode); | |
1213 | jpeg_start(zr); | |
1214 | ||
1215 | if (zr->num_errors <= 8) | |
1216 | dprintk(2, KERN_INFO "%s: Restart\n", | |
1217 | ZR_DEVNAME(zr)); | |
1218 | ||
1219 | zr->JPEG_missed = 0; | |
1220 | zr->JPEG_error = 2; | |
1221 | /********** End RESTART code ***********/ | |
1222 | } | |
1223 | } | |
1224 | ||
1da177e4 LT |
1225 | static void |
1226 | error_handler (struct zoran *zr, | |
1227 | u32 astat, | |
1228 | u32 stat) | |
1229 | { | |
6aba72cf | 1230 | int i; |
7f37cc9b | 1231 | |
1da177e4 | 1232 | /* This is JPEG error handling part */ |
7f37cc9b HV |
1233 | if (zr->codec_mode != BUZ_MODE_MOTION_COMPRESS && |
1234 | zr->codec_mode != BUZ_MODE_MOTION_DECOMPRESS) { | |
1da177e4 LT |
1235 | return; |
1236 | } | |
1237 | ||
1238 | if ((stat & 1) == 0 && | |
1239 | zr->codec_mode == BUZ_MODE_MOTION_COMPRESS && | |
7f37cc9b | 1240 | zr->jpg_dma_tail - zr->jpg_que_tail >= zr->jpg_buffers.num_buffers) { |
1da177e4 LT |
1241 | /* No free buffers... */ |
1242 | zoran_reap_stat_com(zr); | |
1243 | zoran_feed_stat_com(zr); | |
1244 | wake_up_interruptible(&zr->jpg_capq); | |
1245 | zr->JPEG_missed = 0; | |
1246 | return; | |
1247 | } | |
1248 | ||
7f37cc9b HV |
1249 | if (zr->JPEG_error == 1) { |
1250 | zoran_restart(zr); | |
1251 | return; | |
1252 | } | |
1da177e4 | 1253 | |
7f37cc9b HV |
1254 | /* |
1255 | * First entry: error just happened during normal operation | |
1256 | * | |
1257 | * In BUZ_MODE_MOTION_COMPRESS: | |
1258 | * | |
1259 | * Possible glitch in TV signal. In this case we should | |
1260 | * stop the codec and wait for good quality signal before | |
1261 | * restarting it to avoid further problems | |
1262 | * | |
1263 | * In BUZ_MODE_MOTION_DECOMPRESS: | |
1264 | * | |
1265 | * Bad JPEG frame: we have to mark it as processed (codec crashed | |
1266 | * and was not able to do it itself), and to remove it from queue. | |
1267 | */ | |
1268 | btand(~ZR36057_JMC_Go_en, ZR36057_JMC); | |
1269 | udelay(1); | |
1270 | stat = stat | (post_office_read(zr, 7, 0) & 3) << 8; | |
1271 | btwrite(0, ZR36057_JPC); | |
1272 | btor(ZR36057_MCTCR_CFlush, ZR36057_MCTCR); | |
1273 | jpeg_codec_reset(zr); | |
1274 | jpeg_codec_sleep(zr, 1); | |
1275 | zr->JPEG_error = 1; | |
1276 | zr->num_errors++; | |
1277 | ||
1278 | /* Report error */ | |
1279 | if (zr36067_debug > 1 && zr->num_errors <= 8) { | |
1280 | long frame; | |
6aba72cf | 1281 | int j; |
7f37cc9b HV |
1282 | |
1283 | frame = zr->jpg_pend[zr->jpg_dma_tail & BUZ_MASK_FRAME]; | |
1284 | printk(KERN_ERR | |
1285 | "%s: JPEG error stat=0x%08x(0x%08x) queue_state=%ld/%ld/%ld/%ld seq=%ld frame=%ld. Codec stopped. ", | |
1286 | ZR_DEVNAME(zr), stat, zr->last_isr, | |
1287 | zr->jpg_que_tail, zr->jpg_dma_tail, | |
1288 | zr->jpg_dma_head, zr->jpg_que_head, | |
1289 | zr->jpg_seq_num, frame); | |
1290 | printk(KERN_INFO "stat_com frames:"); | |
1291 | for (j = 0; j < BUZ_NUM_STAT_COM; j++) { | |
1292 | for (i = 0; i < zr->jpg_buffers.num_buffers; i++) { | |
1159b7f1 | 1293 | if (le32_to_cpu(zr->stat_com[j]) == zr->jpg_buffers.buffer[i].jpg.frag_tab_bus) |
7f37cc9b | 1294 | printk(KERN_CONT "% d->%d", j, i); |
1da177e4 | 1295 | } |
1da177e4 | 1296 | } |
7f37cc9b | 1297 | printk(KERN_CONT "\n"); |
1da177e4 | 1298 | } |
7f37cc9b HV |
1299 | /* Find an entry in stat_com and rotate contents */ |
1300 | if (zr->jpg_settings.TmpDcm == 1) | |
1301 | i = (zr->jpg_dma_tail - zr->jpg_err_shift) & BUZ_MASK_STAT_COM; | |
1302 | else | |
1303 | i = ((zr->jpg_dma_tail - zr->jpg_err_shift) & 1) * 2; | |
1304 | if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS) { | |
1305 | /* Mimic zr36067 operation */ | |
1306 | zr->stat_com[i] |= cpu_to_le32(1); | |
1307 | if (zr->jpg_settings.TmpDcm != 1) | |
1308 | zr->stat_com[i + 1] |= cpu_to_le32(1); | |
1309 | /* Refill */ | |
1310 | zoran_reap_stat_com(zr); | |
1311 | zoran_feed_stat_com(zr); | |
1312 | wake_up_interruptible(&zr->jpg_capq); | |
1313 | /* Find an entry in stat_com again after refill */ | |
1314 | if (zr->jpg_settings.TmpDcm == 1) | |
1315 | i = (zr->jpg_dma_tail - zr->jpg_err_shift) & BUZ_MASK_STAT_COM; | |
1316 | else | |
1317 | i = ((zr->jpg_dma_tail - zr->jpg_err_shift) & 1) * 2; | |
1318 | } | |
1319 | if (i) { | |
1320 | /* Rotate stat_comm entries to make current entry first */ | |
1321 | int j; | |
1322 | __le32 bus_addr[BUZ_NUM_STAT_COM]; | |
1323 | ||
1324 | /* Here we are copying the stat_com array, which | |
1325 | * is already in little endian format, so | |
1326 | * no endian conversions here | |
1327 | */ | |
1328 | memcpy(bus_addr, zr->stat_com, sizeof(bus_addr)); | |
1da177e4 | 1329 | |
7f37cc9b HV |
1330 | for (j = 0; j < BUZ_NUM_STAT_COM; j++) |
1331 | zr->stat_com[j] = bus_addr[(i + j) & BUZ_MASK_STAT_COM]; | |
1da177e4 | 1332 | |
7f37cc9b HV |
1333 | zr->jpg_err_shift += i; |
1334 | zr->jpg_err_shift &= BUZ_MASK_STAT_COM; | |
1335 | } | |
1336 | if (zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) | |
1337 | zr->jpg_err_seq = zr->jpg_seq_num; /* + 1; */ | |
1338 | zoran_restart(zr); | |
1da177e4 LT |
1339 | } |
1340 | ||
1341 | irqreturn_t | |
1342 | zoran_irq (int irq, | |
7d12e780 | 1343 | void *dev_id) |
1da177e4 LT |
1344 | { |
1345 | u32 stat, astat; | |
1346 | int count; | |
1347 | struct zoran *zr; | |
1348 | unsigned long flags; | |
1349 | ||
c7bec5ab | 1350 | zr = dev_id; |
1da177e4 LT |
1351 | count = 0; |
1352 | ||
1353 | if (zr->testing) { | |
1354 | /* Testing interrupts */ | |
1355 | spin_lock_irqsave(&zr->spinlock, flags); | |
1356 | while ((stat = count_reset_interrupt(zr))) { | |
1357 | if (count++ > 100) { | |
1358 | btand(~ZR36057_ICR_IntPinEn, ZR36057_ICR); | |
1359 | dprintk(1, | |
1360 | KERN_ERR | |
1361 | "%s: IRQ lockup while testing, isr=0x%08x, cleared int mask\n", | |
1362 | ZR_DEVNAME(zr), stat); | |
1363 | wake_up_interruptible(&zr->test_q); | |
1364 | } | |
1365 | } | |
1366 | zr->last_isr = stat; | |
1367 | spin_unlock_irqrestore(&zr->spinlock, flags); | |
1368 | return IRQ_HANDLED; | |
1369 | } | |
1370 | ||
1371 | spin_lock_irqsave(&zr->spinlock, flags); | |
1372 | while (1) { | |
1373 | /* get/clear interrupt status bits */ | |
1374 | stat = count_reset_interrupt(zr); | |
1375 | astat = stat & IRQ_MASK; | |
1376 | if (!astat) { | |
1377 | break; | |
1378 | } | |
1379 | dprintk(4, | |
1380 | KERN_DEBUG | |
1381 | "zoran_irq: astat: 0x%08x, mask: 0x%08x\n", | |
1382 | astat, btread(ZR36057_ICR)); | |
1383 | if (astat & zr->card.vsync_int) { // SW | |
1384 | ||
1385 | if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS || | |
1386 | zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) { | |
1387 | /* count missed interrupts */ | |
1388 | zr->JPEG_missed++; | |
1389 | } | |
1390 | //post_office_read(zr,1,0); | |
1391 | /* Interrupts may still happen when | |
1392 | * zr->v4l_memgrab_active is switched off. | |
1393 | * We simply ignore them */ | |
1394 | ||
1395 | if (zr->v4l_memgrab_active) { | |
1da177e4 | 1396 | /* A lot more checks should be here ... */ |
7f37cc9b | 1397 | if ((btread(ZR36057_VSSFGR) & ZR36057_VSSFGR_SnapShot) == 0) |
1da177e4 LT |
1398 | dprintk(1, |
1399 | KERN_WARNING | |
1400 | "%s: BuzIRQ with SnapShot off ???\n", | |
1401 | ZR_DEVNAME(zr)); | |
1402 | ||
1403 | if (zr->v4l_grab_frame != NO_GRAB_ACTIVE) { | |
1404 | /* There is a grab on a frame going on, check if it has finished */ | |
7f37cc9b | 1405 | if ((btread(ZR36057_VSSFGR) & ZR36057_VSSFGR_FrameGrab) == 0) { |
1da177e4 LT |
1406 | /* it is finished, notify the user */ |
1407 | ||
1408 | zr->v4l_buffers.buffer[zr->v4l_grab_frame].state = BUZ_STATE_DONE; | |
1409 | zr->v4l_buffers.buffer[zr->v4l_grab_frame].bs.seq = zr->v4l_grab_seq; | |
8e6057b5 | 1410 | v4l2_get_timestamp(&zr->v4l_buffers.buffer[zr->v4l_grab_frame].bs.timestamp); |
1da177e4 LT |
1411 | zr->v4l_grab_frame = NO_GRAB_ACTIVE; |
1412 | zr->v4l_pend_tail++; | |
1413 | } | |
1414 | } | |
1415 | ||
1416 | if (zr->v4l_grab_frame == NO_GRAB_ACTIVE) | |
1417 | wake_up_interruptible(&zr->v4l_capq); | |
1418 | ||
1419 | /* Check if there is another grab queued */ | |
1420 | ||
1421 | if (zr->v4l_grab_frame == NO_GRAB_ACTIVE && | |
1422 | zr->v4l_pend_tail != zr->v4l_pend_head) { | |
7f37cc9b | 1423 | int frame = zr->v4l_pend[zr->v4l_pend_tail & V4L_MASK_FRAME]; |
1da177e4 LT |
1424 | u32 reg; |
1425 | ||
1426 | zr->v4l_grab_frame = frame; | |
1427 | ||
1428 | /* Set zr36057 video front end and enable video */ | |
1429 | ||
1430 | /* Buffer address */ | |
1431 | ||
1159b7f1 | 1432 | reg = zr->v4l_buffers.buffer[frame].v4l.fbuffer_bus; |
1da177e4 | 1433 | btwrite(reg, ZR36057_VDTR); |
7f37cc9b HV |
1434 | if (zr->v4l_settings.height > BUZ_MAX_HEIGHT / 2) |
1435 | reg += zr->v4l_settings.bytesperline; | |
1da177e4 LT |
1436 | btwrite(reg, ZR36057_VDBR); |
1437 | ||
1438 | /* video stride, status, and frame grab register */ | |
1439 | reg = 0; | |
7f37cc9b HV |
1440 | if (zr->v4l_settings.height > BUZ_MAX_HEIGHT / 2) |
1441 | reg += zr->v4l_settings.bytesperline; | |
1442 | reg = (reg << ZR36057_VSSFGR_DispStride); | |
1da177e4 LT |
1443 | reg |= ZR36057_VSSFGR_VidOvf; |
1444 | reg |= ZR36057_VSSFGR_SnapShot; | |
1445 | reg |= ZR36057_VSSFGR_FrameGrab; | |
1446 | btwrite(reg, ZR36057_VSSFGR); | |
1447 | ||
1448 | btor(ZR36057_VDCR_VidEn, | |
1449 | ZR36057_VDCR); | |
1450 | } | |
1451 | } | |
1452 | ||
1453 | /* even if we don't grab, we do want to increment | |
1454 | * the sequence counter to see lost frames */ | |
1455 | zr->v4l_grab_seq++; | |
1456 | } | |
1457 | #if (IRQ_MASK & ZR36057_ISR_CodRepIRQ) | |
1458 | if (astat & ZR36057_ISR_CodRepIRQ) { | |
1459 | zr->intr_counter_CodRepIRQ++; | |
7f37cc9b | 1460 | IDEBUG(printk(KERN_DEBUG "%s: ZR36057_ISR_CodRepIRQ\n", |
1da177e4 LT |
1461 | ZR_DEVNAME(zr))); |
1462 | btand(~ZR36057_ICR_CodRepIRQ, ZR36057_ICR); | |
1463 | } | |
1464 | #endif /* (IRQ_MASK & ZR36057_ISR_CodRepIRQ) */ | |
1465 | ||
1466 | #if (IRQ_MASK & ZR36057_ISR_JPEGRepIRQ) | |
7f37cc9b HV |
1467 | if ((astat & ZR36057_ISR_JPEGRepIRQ) && |
1468 | (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS || | |
1469 | zr->codec_mode == BUZ_MODE_MOTION_COMPRESS)) { | |
1470 | if (zr36067_debug > 1 && (!zr->frame_num || zr->JPEG_error)) { | |
634c6931 | 1471 | char sv[BUZ_NUM_STAT_COM + 1]; |
7f37cc9b HV |
1472 | int i; |
1473 | ||
1474 | printk(KERN_INFO | |
1475 | "%s: first frame ready: state=0x%08x odd_even=%d field_per_buff=%d delay=%d\n", | |
1476 | ZR_DEVNAME(zr), stat, | |
1477 | zr->jpg_settings.odd_even, | |
1478 | zr->jpg_settings.field_per_buff, | |
1479 | zr->JPEG_missed); | |
1480 | ||
634c6931 JP |
1481 | for (i = 0; i < BUZ_NUM_STAT_COM; i++) |
1482 | sv[i] = le32_to_cpu(zr->stat_com[i]) & 1 ? '1' : '0'; | |
1483 | sv[BUZ_NUM_STAT_COM] = 0; | |
7f37cc9b HV |
1484 | printk(KERN_INFO |
1485 | "%s: stat_com=%s queue_state=%ld/%ld/%ld/%ld\n", | |
1486 | ZR_DEVNAME(zr), sv, | |
1487 | zr->jpg_que_tail, | |
1488 | zr->jpg_dma_tail, | |
1489 | zr->jpg_dma_head, | |
1490 | zr->jpg_que_head); | |
1491 | } else { | |
1492 | /* Get statistics */ | |
1493 | if (zr->JPEG_missed > zr->JPEG_max_missed) | |
1494 | zr->JPEG_max_missed = zr->JPEG_missed; | |
1495 | if (zr->JPEG_missed < zr->JPEG_min_missed) | |
1496 | zr->JPEG_min_missed = zr->JPEG_missed; | |
1497 | } | |
1da177e4 | 1498 | |
7f37cc9b HV |
1499 | if (zr36067_debug > 2 && zr->frame_num < 6) { |
1500 | int i; | |
1501 | ||
1502 | printk(KERN_INFO "%s: seq=%ld stat_com:", | |
1503 | ZR_DEVNAME(zr), zr->jpg_seq_num); | |
1504 | for (i = 0; i < 4; i++) { | |
1505 | printk(KERN_CONT " %08x", | |
1506 | le32_to_cpu(zr->stat_com[i])); | |
1da177e4 | 1507 | } |
7f37cc9b HV |
1508 | printk(KERN_CONT "\n"); |
1509 | } | |
1510 | zr->frame_num++; | |
1511 | zr->JPEG_missed = 0; | |
1512 | zr->JPEG_error = 0; | |
1513 | zoran_reap_stat_com(zr); | |
1514 | zoran_feed_stat_com(zr); | |
1515 | wake_up_interruptible(&zr->jpg_capq); | |
1da177e4 LT |
1516 | } |
1517 | #endif /* (IRQ_MASK & ZR36057_ISR_JPEGRepIRQ) */ | |
1518 | ||
1519 | /* DATERR, too many fields missed, error processing */ | |
1520 | if ((astat & zr->card.jpeg_int) || | |
1521 | zr->JPEG_missed > 25 || | |
1522 | zr->JPEG_error == 1 || | |
1523 | ((zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS) && | |
2a72b39e | 1524 | (zr->frame_num && (zr->JPEG_missed > zr->jpg_settings.field_per_buff)))) { |
1da177e4 LT |
1525 | error_handler(zr, astat, stat); |
1526 | } | |
1527 | ||
1528 | count++; | |
1529 | if (count > 10) { | |
1530 | dprintk(2, KERN_WARNING "%s: irq loop %d\n", | |
1531 | ZR_DEVNAME(zr), count); | |
1532 | if (count > 20) { | |
1533 | btand(~ZR36057_ICR_IntPinEn, ZR36057_ICR); | |
1534 | dprintk(2, | |
1535 | KERN_ERR | |
1536 | "%s: IRQ lockup, cleared int mask\n", | |
1537 | ZR_DEVNAME(zr)); | |
1538 | break; | |
1539 | } | |
1540 | } | |
1541 | zr->last_isr = stat; | |
1542 | } | |
1543 | spin_unlock_irqrestore(&zr->spinlock, flags); | |
1544 | ||
1545 | return IRQ_HANDLED; | |
1546 | } | |
1547 | ||
1548 | void | |
1549 | zoran_set_pci_master (struct zoran *zr, | |
1550 | int set_master) | |
1551 | { | |
1552 | if (set_master) { | |
1553 | pci_set_master(zr->pci_dev); | |
1554 | } else { | |
1555 | u16 command; | |
1556 | ||
1557 | pci_read_config_word(zr->pci_dev, PCI_COMMAND, &command); | |
1558 | command &= ~PCI_COMMAND_MASTER; | |
1559 | pci_write_config_word(zr->pci_dev, PCI_COMMAND, command); | |
1560 | } | |
1561 | } | |
1562 | ||
1563 | void | |
1564 | zoran_init_hardware (struct zoran *zr) | |
1565 | { | |
1da177e4 LT |
1566 | /* Enable bus-mastering */ |
1567 | zoran_set_pci_master(zr, 1); | |
1568 | ||
1569 | /* Initialize the board */ | |
1570 | if (zr->card.init) { | |
1571 | zr->card.init(zr); | |
1572 | } | |
1573 | ||
0ab6e1c3 | 1574 | decoder_call(zr, core, init, 0); |
8774bed9 | 1575 | decoder_call(zr, video, s_std, zr->norm); |
5325b427 HV |
1576 | decoder_call(zr, video, s_routing, |
1577 | zr->card.input[zr->input].muxsel, 0, 0); | |
1da177e4 | 1578 | |
0ab6e1c3 HV |
1579 | encoder_call(zr, core, init, 0); |
1580 | encoder_call(zr, video, s_std_output, zr->norm); | |
5325b427 | 1581 | encoder_call(zr, video, s_routing, 0, 0, 0); |
1da177e4 LT |
1582 | |
1583 | /* toggle JPEG codec sleep to sync PLL */ | |
1584 | jpeg_codec_sleep(zr, 1); | |
1585 | jpeg_codec_sleep(zr, 0); | |
1586 | ||
1587 | /* set individual interrupt enables (without GIRQ1) | |
1588 | * but don't global enable until zoran_open() */ | |
1589 | ||
1590 | //btwrite(IRQ_MASK & ~ZR36057_ISR_GIRQ1, ZR36057_ICR); // SW | |
1591 | // It looks like using only JPEGRepIRQEn is not always reliable, | |
1592 | // may be when JPEG codec crashes it won't generate IRQ? So, | |
1593 | /*CP*/ // btwrite(IRQ_MASK, ZR36057_ICR); // Enable Vsync interrupts too. SM WHY ? LP | |
1594 | zr36057_init_vfe(zr); | |
1595 | ||
1596 | zr36057_enable_jpg(zr, BUZ_MODE_IDLE); | |
1597 | ||
1598 | btwrite(IRQ_MASK, ZR36057_ISR); // Clears interrupts | |
1599 | } | |
1600 | ||
1601 | void | |
1602 | zr36057_restart (struct zoran *zr) | |
1603 | { | |
1604 | btwrite(0, ZR36057_SPGPPCR); | |
1605 | mdelay(1); | |
1606 | btor(ZR36057_SPGPPCR_SoftReset, ZR36057_SPGPPCR); | |
1607 | mdelay(1); | |
1608 | ||
1609 | /* assert P_Reset */ | |
1610 | btwrite(0, ZR36057_JPC); | |
1611 | /* set up GPIO direction - all output */ | |
1612 | btwrite(ZR36057_SPGPPCR_SoftReset | 0, ZR36057_SPGPPCR); | |
1613 | ||
1614 | /* set up GPIO pins and guest bus timing */ | |
1615 | btwrite((0x81 << 24) | 0x8888, ZR36057_GPPGCR1); | |
1616 | } | |
1617 | ||
1618 | /* | |
1619 | * initialize video front end | |
1620 | */ | |
1621 | ||
1622 | static void | |
1623 | zr36057_init_vfe (struct zoran *zr) | |
1624 | { | |
1625 | u32 reg; | |
1626 | ||
1627 | reg = btread(ZR36057_VFESPFR); | |
1628 | reg |= ZR36057_VFESPFR_LittleEndian; | |
1629 | reg &= ~ZR36057_VFESPFR_VCLKPol; | |
1630 | reg |= ZR36057_VFESPFR_ExtFl; | |
1631 | reg |= ZR36057_VFESPFR_TopField; | |
1632 | btwrite(reg, ZR36057_VFESPFR); | |
1633 | reg = btread(ZR36057_VDCR); | |
1634 | if (pci_pci_problems & PCIPCI_TRITON) | |
1635 | // || zr->revision < 1) // Revision 1 has also Triton support | |
1636 | reg &= ~ZR36057_VDCR_Triton; | |
1637 | else | |
1638 | reg |= ZR36057_VDCR_Triton; | |
1639 | btwrite(reg, ZR36057_VDCR); | |
1640 | } |