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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. | |
1da177e4 LT |
24 | */ |
25 | ||
1da177e4 LT |
26 | #include <linux/types.h> |
27 | #include <linux/kernel.h> | |
28 | #include <linux/module.h> | |
29 | #include <linux/vmalloc.h> | |
e4d45dd8 | 30 | #include <linux/ktime.h> |
174cd4b1 | 31 | #include <linux/sched/signal.h> |
1da177e4 LT |
32 | |
33 | #include <linux/interrupt.h> | |
34 | #include <linux/proc_fs.h> | |
35 | #include <linux/i2c.h> | |
36 | #include <linux/i2c-algo-bit.h> | |
107063c6 HV |
37 | #include <linux/videodev2.h> |
38 | #include <media/v4l2-common.h> | |
1da177e4 LT |
39 | #include <linux/spinlock.h> |
40 | #include <linux/sem.h> | |
41 | ||
42 | #include <linux/pci.h> | |
1da177e4 LT |
43 | #include <linux/delay.h> |
44 | #include <linux/wait.h> | |
45 | ||
9a6ab769 | 46 | #include <asm/byteorder.h> |
1da177e4 LT |
47 | #include <asm/io.h> |
48 | ||
49 | #include "videocodec.h" | |
50 | #include "zoran.h" | |
51 | #include "zoran_device.h" | |
18b548ca | 52 | #include "zoran_card.h" |
1da177e4 LT |
53 | |
54 | #define IRQ_MASK ( ZR36057_ISR_GIRQ0 | \ | |
55 | ZR36057_ISR_GIRQ1 | \ | |
56 | ZR36057_ISR_JPEGRepIRQ ) | |
57 | ||
90ab5ee9 | 58 | static bool lml33dpath; /* default = 0 |
ff699e6b | 59 | * 1 will use digital path in capture |
1da177e4 LT |
60 | * mode instead of analog. It can be |
61 | * used for picture adjustments using | |
62 | * tool like xawtv while watching image | |
63 | * on TV monitor connected to the output. | |
64 | * However, due to absence of 75 Ohm | |
65 | * load on Bt819 input, there will be | |
66 | * some image imperfections */ | |
67 | ||
60e3cac4 | 68 | module_param(lml33dpath, bool, 0644); |
1da177e4 LT |
69 | MODULE_PARM_DESC(lml33dpath, |
70 | "Use digital path capture mode (on LML33 cards)"); | |
71 | ||
72 | static void | |
73 | zr36057_init_vfe (struct zoran *zr); | |
74 | ||
75 | /* | |
76 | * General Purpose I/O and Guest bus access | |
77 | */ | |
78 | ||
79 | /* | |
80 | * This is a bit tricky. When a board lacks a GPIO function, the corresponding | |
81 | * GPIO bit number in the card_info structure is set to 0. | |
82 | */ | |
83 | ||
84 | void | |
85 | GPIO (struct zoran *zr, | |
86 | int bit, | |
87 | unsigned int value) | |
88 | { | |
89 | u32 reg; | |
90 | u32 mask; | |
91 | ||
92 | /* Make sure the bit number is legal | |
93 | * A bit number of -1 (lacking) gives a mask of 0, | |
94 | * making it harmless */ | |
95 | mask = (1 << (24 + bit)) & 0xff000000; | |
96 | reg = btread(ZR36057_GPPGCR1) & ~mask; | |
97 | if (value) { | |
98 | reg |= mask; | |
99 | } | |
100 | btwrite(reg, ZR36057_GPPGCR1); | |
101 | udelay(1); | |
102 | } | |
103 | ||
104 | /* | |
105 | * Wait til post office is no longer busy | |
106 | */ | |
107 | ||
108 | int | |
109 | post_office_wait (struct zoran *zr) | |
110 | { | |
111 | u32 por; | |
112 | ||
113 | // while (((por = btread(ZR36057_POR)) & (ZR36057_POR_POPen | ZR36057_POR_POTime)) == ZR36057_POR_POPen) { | |
114 | while ((por = btread(ZR36057_POR)) & ZR36057_POR_POPen) { | |
115 | /* wait for something to happen */ | |
116 | } | |
117 | if ((por & ZR36057_POR_POTime) && !zr->card.gws_not_connected) { | |
118 | /* In LML33/BUZ \GWS line is not connected, so it has always timeout set */ | |
119 | dprintk(1, KERN_INFO "%s: pop timeout %08x\n", ZR_DEVNAME(zr), | |
120 | por); | |
121 | return -1; | |
122 | } | |
123 | ||
124 | return 0; | |
125 | } | |
126 | ||
127 | int | |
128 | post_office_write (struct zoran *zr, | |
129 | unsigned int guest, | |
130 | unsigned int reg, | |
131 | unsigned int value) | |
132 | { | |
133 | u32 por; | |
134 | ||
135 | por = | |
136 | ZR36057_POR_PODir | ZR36057_POR_POTime | ((guest & 7) << 20) | | |
137 | ((reg & 7) << 16) | (value & 0xFF); | |
138 | btwrite(por, ZR36057_POR); | |
139 | ||
140 | return post_office_wait(zr); | |
141 | } | |
142 | ||
143 | int | |
144 | post_office_read (struct zoran *zr, | |
145 | unsigned int guest, | |
146 | unsigned int reg) | |
147 | { | |
148 | u32 por; | |
149 | ||
150 | por = ZR36057_POR_POTime | ((guest & 7) << 20) | ((reg & 7) << 16); | |
151 | btwrite(por, ZR36057_POR); | |
152 | if (post_office_wait(zr) < 0) { | |
153 | return -1; | |
154 | } | |
155 | ||
156 | return btread(ZR36057_POR) & 0xFF; | |
157 | } | |
158 | ||
159 | /* | |
160 | * detect guests | |
161 | */ | |
162 | ||
163 | static void | |
164 | dump_guests (struct zoran *zr) | |
165 | { | |
18b548ca | 166 | if (zr36067_debug > 2) { |
1da177e4 LT |
167 | int i, guest[8]; |
168 | ||
169 | for (i = 1; i < 8; i++) { // Don't read jpeg codec here | |
170 | guest[i] = post_office_read(zr, i, 0); | |
171 | } | |
172 | ||
623b2f4a MCC |
173 | printk(KERN_INFO "%s: Guests: %*ph\n", |
174 | ZR_DEVNAME(zr), 8, guest); | |
1da177e4 LT |
175 | } |
176 | } | |
177 | ||
1da177e4 LT |
178 | void |
179 | detect_guest_activity (struct zoran *zr) | |
180 | { | |
181 | int timeout, i, j, res, guest[8], guest0[8], change[8][3]; | |
e4d45dd8 | 182 | ktime_t t0, t1; |
1da177e4 LT |
183 | |
184 | dump_guests(zr); | |
185 | printk(KERN_INFO "%s: Detecting guests activity, please wait...\n", | |
186 | ZR_DEVNAME(zr)); | |
187 | for (i = 1; i < 8; i++) { // Don't read jpeg codec here | |
188 | guest0[i] = guest[i] = post_office_read(zr, i, 0); | |
189 | } | |
190 | ||
191 | timeout = 0; | |
192 | j = 0; | |
e4d45dd8 | 193 | t0 = ktime_get(); |
1da177e4 LT |
194 | while (timeout < 10000) { |
195 | udelay(10); | |
196 | timeout++; | |
197 | for (i = 1; (i < 8) && (j < 8); i++) { | |
198 | res = post_office_read(zr, i, 0); | |
199 | if (res != guest[i]) { | |
e4d45dd8 AJ |
200 | t1 = ktime_get(); |
201 | change[j][0] = ktime_to_us(ktime_sub(t1, t0)); | |
1da177e4 LT |
202 | t0 = t1; |
203 | change[j][1] = i; | |
204 | change[j][2] = res; | |
205 | j++; | |
206 | guest[i] = res; | |
207 | } | |
208 | } | |
209 | if (j >= 8) | |
210 | break; | |
211 | } | |
1da177e4 | 212 | |
623b2f4a MCC |
213 | printk(KERN_INFO "%s: Guests: %*ph\n", ZR_DEVNAME(zr), 8, guest0); |
214 | ||
1da177e4 LT |
215 | if (j == 0) { |
216 | printk(KERN_INFO "%s: No activity detected.\n", ZR_DEVNAME(zr)); | |
217 | return; | |
218 | } | |
219 | for (i = 0; i < j; i++) { | |
220 | printk(KERN_INFO "%s: %6d: %d => 0x%02x\n", ZR_DEVNAME(zr), | |
221 | change[i][0], change[i][1], change[i][2]); | |
222 | } | |
223 | } | |
224 | ||
225 | /* | |
226 | * JPEG Codec access | |
227 | */ | |
228 | ||
229 | void | |
230 | jpeg_codec_sleep (struct zoran *zr, | |
231 | int sleep) | |
232 | { | |
6165894f | 233 | GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_SLEEP], !sleep); |
1da177e4 LT |
234 | if (!sleep) { |
235 | dprintk(3, | |
236 | KERN_DEBUG | |
237 | "%s: jpeg_codec_sleep() - wake GPIO=0x%08x\n", | |
238 | ZR_DEVNAME(zr), btread(ZR36057_GPPGCR1)); | |
239 | udelay(500); | |
240 | } else { | |
241 | dprintk(3, | |
242 | KERN_DEBUG | |
243 | "%s: jpeg_codec_sleep() - sleep GPIO=0x%08x\n", | |
244 | ZR_DEVNAME(zr), btread(ZR36057_GPPGCR1)); | |
245 | udelay(2); | |
246 | } | |
247 | } | |
248 | ||
249 | int | |
250 | jpeg_codec_reset (struct zoran *zr) | |
251 | { | |
252 | /* Take the codec out of sleep */ | |
253 | jpeg_codec_sleep(zr, 0); | |
254 | ||
255 | if (zr->card.gpcs[GPCS_JPEG_RESET] != 0xff) { | |
256 | post_office_write(zr, zr->card.gpcs[GPCS_JPEG_RESET], 0, | |
257 | 0); | |
258 | udelay(2); | |
259 | } else { | |
6165894f | 260 | GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_RESET], 0); |
1da177e4 | 261 | udelay(2); |
6165894f | 262 | GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_RESET], 1); |
1da177e4 LT |
263 | udelay(2); |
264 | } | |
265 | ||
266 | return 0; | |
267 | } | |
268 | ||
269 | /* | |
270 | * Set the registers for the size we have specified. Don't bother | |
271 | * trying to understand this without the ZR36057 manual in front of | |
272 | * you [AC]. | |
273 | * | |
274 | * PS: The manual is free for download in .pdf format from | |
275 | * www.zoran.com - nicely done those folks. | |
276 | */ | |
277 | ||
278 | static void | |
279 | zr36057_adjust_vfe (struct zoran *zr, | |
280 | enum zoran_codec_mode mode) | |
281 | { | |
282 | u32 reg; | |
283 | ||
284 | switch (mode) { | |
285 | case BUZ_MODE_MOTION_DECOMPRESS: | |
286 | btand(~ZR36057_VFESPFR_ExtFl, ZR36057_VFESPFR); | |
287 | reg = btread(ZR36057_VFEHCR); | |
288 | if ((reg & (1 << 10)) && zr->card.type != LML33R10) { | |
289 | reg += ((1 << 10) | 1); | |
290 | } | |
291 | btwrite(reg, ZR36057_VFEHCR); | |
292 | break; | |
293 | case BUZ_MODE_MOTION_COMPRESS: | |
294 | case BUZ_MODE_IDLE: | |
295 | default: | |
107063c6 | 296 | if ((zr->norm & V4L2_STD_NTSC) || |
1da177e4 | 297 | (zr->card.type == LML33R10 && |
107063c6 | 298 | (zr->norm & V4L2_STD_PAL))) |
1da177e4 LT |
299 | btand(~ZR36057_VFESPFR_ExtFl, ZR36057_VFESPFR); |
300 | else | |
301 | btor(ZR36057_VFESPFR_ExtFl, ZR36057_VFESPFR); | |
302 | reg = btread(ZR36057_VFEHCR); | |
303 | if (!(reg & (1 << 10)) && zr->card.type != LML33R10) { | |
304 | reg -= ((1 << 10) | 1); | |
305 | } | |
306 | btwrite(reg, ZR36057_VFEHCR); | |
307 | break; | |
308 | } | |
309 | } | |
310 | ||
311 | /* | |
312 | * set geometry | |
313 | */ | |
314 | ||
315 | static void | |
316 | zr36057_set_vfe (struct zoran *zr, | |
317 | int video_width, | |
318 | int video_height, | |
319 | const struct zoran_format *format) | |
320 | { | |
321 | struct tvnorm *tvn; | |
322 | unsigned HStart, HEnd, VStart, VEnd; | |
323 | unsigned DispMode; | |
324 | unsigned VidWinWid, VidWinHt; | |
325 | unsigned hcrop1, hcrop2, vcrop1, vcrop2; | |
326 | unsigned Wa, We, Ha, He; | |
327 | unsigned X, Y, HorDcm, VerDcm; | |
328 | u32 reg; | |
329 | unsigned mask_line_size; | |
330 | ||
331 | tvn = zr->timing; | |
332 | ||
333 | Wa = tvn->Wa; | |
334 | Ha = tvn->Ha; | |
335 | ||
336 | dprintk(2, KERN_INFO "%s: set_vfe() - width = %d, height = %d\n", | |
337 | ZR_DEVNAME(zr), video_width, video_height); | |
338 | ||
1da177e4 LT |
339 | if (video_width < BUZ_MIN_WIDTH || |
340 | video_height < BUZ_MIN_HEIGHT || | |
341 | video_width > Wa || video_height > Ha) { | |
342 | dprintk(1, KERN_ERR "%s: set_vfe: w=%d h=%d not valid\n", | |
343 | ZR_DEVNAME(zr), video_width, video_height); | |
344 | return; | |
345 | } | |
346 | ||
347 | /**** zr36057 ****/ | |
348 | ||
349 | /* horizontal */ | |
350 | VidWinWid = video_width; | |
e9e24cee | 351 | X = DIV_ROUND_UP(VidWinWid * 64, tvn->Wa); |
1da177e4 LT |
352 | We = (VidWinWid * 64) / X; |
353 | HorDcm = 64 - X; | |
354 | hcrop1 = 2 * ((tvn->Wa - We) / 4); | |
355 | hcrop2 = tvn->Wa - We - hcrop1; | |
356 | HStart = tvn->HStart ? tvn->HStart : 1; | |
357 | /* (Ronald) Original comment: | |
358 | * "| 1 Doesn't have any effect, tested on both a DC10 and a DC10+" | |
359 | * this is false. It inverses chroma values on the LML33R10 (so Cr | |
360 | * suddenly is shown as Cb and reverse, really cool effect if you | |
361 | * want to see blue faces, not useful otherwise). So don't use |1. | |
362 | * However, the DC10 has '0' as HStart, but does need |1, so we | |
363 | * use a dirty check... | |
364 | */ | |
365 | HEnd = HStart + tvn->Wa - 1; | |
366 | HStart += hcrop1; | |
367 | HEnd -= hcrop2; | |
368 | reg = ((HStart & ZR36057_VFEHCR_Hmask) << ZR36057_VFEHCR_HStart) | |
369 | | ((HEnd & ZR36057_VFEHCR_Hmask) << ZR36057_VFEHCR_HEnd); | |
370 | if (zr->card.vfe_pol.hsync_pol) | |
371 | reg |= ZR36057_VFEHCR_HSPol; | |
372 | btwrite(reg, ZR36057_VFEHCR); | |
373 | ||
374 | /* Vertical */ | |
375 | DispMode = !(video_height > BUZ_MAX_HEIGHT / 2); | |
376 | VidWinHt = DispMode ? video_height : video_height / 2; | |
e9e24cee | 377 | Y = DIV_ROUND_UP(VidWinHt * 64 * 2, tvn->Ha); |
1da177e4 LT |
378 | He = (VidWinHt * 64) / Y; |
379 | VerDcm = 64 - Y; | |
380 | vcrop1 = (tvn->Ha / 2 - He) / 2; | |
381 | vcrop2 = tvn->Ha / 2 - He - vcrop1; | |
382 | VStart = tvn->VStart; | |
383 | VEnd = VStart + tvn->Ha / 2; // - 1; FIXME SnapShot times out with -1 in 768*576 on the DC10 - LP | |
384 | VStart += vcrop1; | |
385 | VEnd -= vcrop2; | |
386 | reg = ((VStart & ZR36057_VFEVCR_Vmask) << ZR36057_VFEVCR_VStart) | |
387 | | ((VEnd & ZR36057_VFEVCR_Vmask) << ZR36057_VFEVCR_VEnd); | |
388 | if (zr->card.vfe_pol.vsync_pol) | |
389 | reg |= ZR36057_VFEVCR_VSPol; | |
390 | btwrite(reg, ZR36057_VFEVCR); | |
391 | ||
392 | /* scaler and pixel format */ | |
393 | reg = 0; | |
394 | reg |= (HorDcm << ZR36057_VFESPFR_HorDcm); | |
395 | reg |= (VerDcm << ZR36057_VFESPFR_VerDcm); | |
396 | reg |= (DispMode << ZR36057_VFESPFR_DispMode); | |
1da177e4 LT |
397 | /* RJ: I don't know, why the following has to be the opposite |
398 | * of the corresponding ZR36060 setting, but only this way | |
399 | * we get the correct colors when uncompressing to the screen */ | |
400 | //reg |= ZR36057_VFESPFR_VCLKPol; /**/ | |
401 | /* RJ: Don't know if that is needed for NTSC also */ | |
107063c6 | 402 | if (!(zr->norm & V4L2_STD_NTSC)) |
1da177e4 LT |
403 | reg |= ZR36057_VFESPFR_ExtFl; // NEEDED!!!!!!! Wolfgang |
404 | reg |= ZR36057_VFESPFR_TopField; | |
1da177e4 LT |
405 | if (HorDcm >= 48) { |
406 | reg |= 3 << ZR36057_VFESPFR_HFilter; /* 5 tap filter */ | |
407 | } else if (HorDcm >= 32) { | |
408 | reg |= 2 << ZR36057_VFESPFR_HFilter; /* 4 tap filter */ | |
409 | } else if (HorDcm >= 16) { | |
410 | reg |= 1 << ZR36057_VFESPFR_HFilter; /* 3 tap filter */ | |
411 | } | |
603d6f2c | 412 | reg |= format->vfespfr; |
1da177e4 LT |
413 | btwrite(reg, ZR36057_VFESPFR); |
414 | ||
415 | /* display configuration */ | |
416 | reg = (16 << ZR36057_VDCR_MinPix) | |
417 | | (VidWinHt << ZR36057_VDCR_VidWinHt) | |
418 | | (VidWinWid << ZR36057_VDCR_VidWinWid); | |
419 | if (pci_pci_problems & PCIPCI_TRITON) | |
420 | // || zr->revision < 1) // Revision 1 has also Triton support | |
421 | reg &= ~ZR36057_VDCR_Triton; | |
422 | else | |
423 | reg |= ZR36057_VDCR_Triton; | |
424 | btwrite(reg, ZR36057_VDCR); | |
425 | ||
426 | /* (Ronald) don't write this if overlay_mask = NULL */ | |
427 | if (zr->overlay_mask) { | |
428 | /* Write overlay clipping mask data, but don't enable overlay clipping */ | |
d56410e0 | 429 | /* RJ: since this makes only sense on the screen, we use |
1da177e4 LT |
430 | * zr->overlay_settings.width instead of video_width */ |
431 | ||
432 | mask_line_size = (BUZ_MAX_WIDTH + 31) / 32; | |
433 | reg = virt_to_bus(zr->overlay_mask); | |
434 | btwrite(reg, ZR36057_MMTR); | |
435 | reg = virt_to_bus(zr->overlay_mask + mask_line_size); | |
436 | btwrite(reg, ZR36057_MMBR); | |
437 | reg = | |
438 | mask_line_size - (zr->overlay_settings.width + | |
439 | 31) / 32; | |
440 | if (DispMode == 0) | |
441 | reg += mask_line_size; | |
442 | reg <<= ZR36057_OCR_MaskStride; | |
443 | btwrite(reg, ZR36057_OCR); | |
444 | } | |
445 | ||
446 | zr36057_adjust_vfe(zr, zr->codec_mode); | |
447 | } | |
448 | ||
449 | /* | |
450 | * Switch overlay on or off | |
451 | */ | |
452 | ||
453 | void | |
454 | zr36057_overlay (struct zoran *zr, | |
455 | int on) | |
456 | { | |
457 | u32 reg; | |
458 | ||
459 | if (on) { | |
460 | /* do the necessary settings ... */ | |
461 | btand(~ZR36057_VDCR_VidEn, ZR36057_VDCR); /* switch it off first */ | |
462 | ||
463 | zr36057_set_vfe(zr, | |
464 | zr->overlay_settings.width, | |
465 | zr->overlay_settings.height, | |
466 | zr->overlay_settings.format); | |
467 | ||
468 | /* Start and length of each line MUST be 4-byte aligned. | |
698f9315 | 469 | * This should be already checked before the call to this routine. |
1da177e4 LT |
470 | * All error messages are internal driver checking only! */ |
471 | ||
472 | /* video display top and bottom registers */ | |
7f6adeaf | 473 | reg = (long) zr->vbuf_base + |
1da177e4 LT |
474 | zr->overlay_settings.x * |
475 | ((zr->overlay_settings.format->depth + 7) / 8) + | |
476 | zr->overlay_settings.y * | |
7f6adeaf | 477 | zr->vbuf_bytesperline; |
1da177e4 LT |
478 | btwrite(reg, ZR36057_VDTR); |
479 | if (reg & 3) | |
480 | dprintk(1, | |
481 | KERN_ERR | |
482 | "%s: zr36057_overlay() - video_address not aligned\n", | |
483 | ZR_DEVNAME(zr)); | |
484 | if (zr->overlay_settings.height > BUZ_MAX_HEIGHT / 2) | |
7f6adeaf | 485 | reg += zr->vbuf_bytesperline; |
1da177e4 LT |
486 | btwrite(reg, ZR36057_VDBR); |
487 | ||
488 | /* video stride, status, and frame grab register */ | |
7f6adeaf | 489 | reg = zr->vbuf_bytesperline - |
1da177e4 LT |
490 | zr->overlay_settings.width * |
491 | ((zr->overlay_settings.format->depth + 7) / 8); | |
492 | if (zr->overlay_settings.height > BUZ_MAX_HEIGHT / 2) | |
7f6adeaf | 493 | reg += zr->vbuf_bytesperline; |
1da177e4 LT |
494 | if (reg & 3) |
495 | dprintk(1, | |
496 | KERN_ERR | |
497 | "%s: zr36057_overlay() - video_stride not aligned\n", | |
498 | ZR_DEVNAME(zr)); | |
499 | reg = (reg << ZR36057_VSSFGR_DispStride); | |
500 | reg |= ZR36057_VSSFGR_VidOvf; /* clear overflow status */ | |
501 | btwrite(reg, ZR36057_VSSFGR); | |
502 | ||
503 | /* Set overlay clipping */ | |
504 | if (zr->overlay_settings.clipcount > 0) | |
505 | btor(ZR36057_OCR_OvlEnable, ZR36057_OCR); | |
506 | ||
507 | /* ... and switch it on */ | |
508 | btor(ZR36057_VDCR_VidEn, ZR36057_VDCR); | |
509 | } else { | |
510 | /* Switch it off */ | |
511 | btand(~ZR36057_VDCR_VidEn, ZR36057_VDCR); | |
512 | } | |
513 | } | |
514 | ||
515 | /* | |
516 | * The overlay mask has one bit for each pixel on a scan line, | |
517 | * and the maximum window size is BUZ_MAX_WIDTH * BUZ_MAX_HEIGHT pixels. | |
518 | */ | |
519 | ||
e5ee3f64 | 520 | void write_overlay_mask(struct zoran_fh *fh, struct v4l2_clip *vp, int count) |
1da177e4 | 521 | { |
1da177e4 LT |
522 | struct zoran *zr = fh->zr; |
523 | unsigned mask_line_size = (BUZ_MAX_WIDTH + 31) / 32; | |
524 | u32 *mask; | |
525 | int x, y, width, height; | |
526 | unsigned i, j, k; | |
1da177e4 LT |
527 | |
528 | /* fill mask with one bits */ | |
529 | memset(fh->overlay_mask, ~0, mask_line_size * 4 * BUZ_MAX_HEIGHT); | |
1da177e4 LT |
530 | |
531 | for (i = 0; i < count; ++i) { | |
532 | /* pick up local copy of clip */ | |
7f6adeaf HV |
533 | x = vp[i].c.left; |
534 | y = vp[i].c.top; | |
535 | width = vp[i].c.width; | |
536 | height = vp[i].c.height; | |
1da177e4 LT |
537 | |
538 | /* trim clips that extend beyond the window */ | |
539 | if (x < 0) { | |
540 | width += x; | |
541 | x = 0; | |
542 | } | |
543 | if (y < 0) { | |
544 | height += y; | |
545 | y = 0; | |
546 | } | |
547 | if (x + width > fh->overlay_settings.width) { | |
548 | width = fh->overlay_settings.width - x; | |
549 | } | |
550 | if (y + height > fh->overlay_settings.height) { | |
551 | height = fh->overlay_settings.height - y; | |
552 | } | |
553 | ||
554 | /* ignore degenerate clips */ | |
555 | if (height <= 0) { | |
556 | continue; | |
557 | } | |
558 | if (width <= 0) { | |
559 | continue; | |
560 | } | |
561 | ||
562 | /* apply clip for each scan line */ | |
563 | for (j = 0; j < height; ++j) { | |
564 | /* reset bit for each pixel */ | |
565 | /* this can be optimized later if need be */ | |
566 | mask = fh->overlay_mask + (y + j) * mask_line_size; | |
567 | for (k = 0; k < width; ++k) { | |
568 | mask[(x + k) / 32] &= | |
569 | ~((u32) 1 << (x + k) % 32); | |
570 | } | |
571 | } | |
572 | } | |
573 | } | |
574 | ||
575 | /* Enable/Disable uncompressed memory grabbing of the 36057 */ | |
576 | ||
577 | void | |
578 | zr36057_set_memgrab (struct zoran *zr, | |
579 | int mode) | |
580 | { | |
581 | if (mode) { | |
9896bbc1 TP |
582 | /* We only check SnapShot and not FrameGrab here. SnapShot==1 |
583 | * means a capture is already in progress, but FrameGrab==1 | |
584 | * doesn't necessary mean that. It's more correct to say a 1 | |
585 | * to 0 transition indicates a capture completed. If a | |
586 | * capture is pending when capturing is tuned off, FrameGrab | |
587 | * will be stuck at 1 until capturing is turned back on. | |
588 | */ | |
589 | if (btread(ZR36057_VSSFGR) & ZR36057_VSSFGR_SnapShot) | |
1da177e4 LT |
590 | dprintk(1, |
591 | KERN_WARNING | |
9896bbc1 | 592 | "%s: zr36057_set_memgrab(1) with SnapShot on!?\n", |
1da177e4 LT |
593 | ZR_DEVNAME(zr)); |
594 | ||
595 | /* switch on VSync interrupts */ | |
596 | btwrite(IRQ_MASK, ZR36057_ISR); // Clear Interrupts | |
597 | btor(zr->card.vsync_int, ZR36057_ICR); // SW | |
598 | ||
599 | /* enable SnapShot */ | |
600 | btor(ZR36057_VSSFGR_SnapShot, ZR36057_VSSFGR); | |
601 | ||
602 | /* Set zr36057 video front end and enable video */ | |
603 | zr36057_set_vfe(zr, zr->v4l_settings.width, | |
604 | zr->v4l_settings.height, | |
605 | zr->v4l_settings.format); | |
606 | ||
607 | zr->v4l_memgrab_active = 1; | |
608 | } else { | |
1da177e4 LT |
609 | /* switch off VSync interrupts */ |
610 | btand(~zr->card.vsync_int, ZR36057_ICR); // SW | |
611 | ||
9896bbc1 TP |
612 | zr->v4l_memgrab_active = 0; |
613 | zr->v4l_grab_frame = NO_GRAB_ACTIVE; | |
614 | ||
1da177e4 LT |
615 | /* reenable grabbing to screen if it was running */ |
616 | if (zr->v4l_overlay_active) { | |
617 | zr36057_overlay(zr, 1); | |
618 | } else { | |
619 | btand(~ZR36057_VDCR_VidEn, ZR36057_VDCR); | |
620 | btand(~ZR36057_VSSFGR_SnapShot, ZR36057_VSSFGR); | |
621 | } | |
622 | } | |
623 | } | |
624 | ||
625 | int | |
626 | wait_grab_pending (struct zoran *zr) | |
627 | { | |
628 | unsigned long flags; | |
629 | ||
630 | /* wait until all pending grabs are finished */ | |
631 | ||
632 | if (!zr->v4l_memgrab_active) | |
633 | return 0; | |
634 | ||
635 | wait_event_interruptible(zr->v4l_capq, | |
636 | (zr->v4l_pend_tail == zr->v4l_pend_head)); | |
637 | if (signal_pending(current)) | |
638 | return -ERESTARTSYS; | |
639 | ||
640 | spin_lock_irqsave(&zr->spinlock, flags); | |
641 | zr36057_set_memgrab(zr, 0); | |
642 | spin_unlock_irqrestore(&zr->spinlock, flags); | |
643 | ||
644 | return 0; | |
645 | } | |
646 | ||
647 | /***************************************************************************** | |
648 | * * | |
649 | * Set up the Buz-specific MJPEG part * | |
650 | * * | |
651 | *****************************************************************************/ | |
652 | ||
653 | static inline void | |
654 | set_frame (struct zoran *zr, | |
655 | int val) | |
656 | { | |
6165894f | 657 | GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_FRAME], val); |
1da177e4 LT |
658 | } |
659 | ||
660 | static void | |
661 | set_videobus_dir (struct zoran *zr, | |
662 | int val) | |
663 | { | |
664 | switch (zr->card.type) { | |
665 | case LML33: | |
666 | case LML33R10: | |
1b21e218 | 667 | if (!lml33dpath) |
1da177e4 LT |
668 | GPIO(zr, 5, val); |
669 | else | |
670 | GPIO(zr, 5, 1); | |
671 | break; | |
672 | default: | |
6165894f MCC |
673 | GPIO(zr, zr->card.gpio[ZR_GPIO_VID_DIR], |
674 | zr->card.gpio_pol[ZR_GPIO_VID_DIR] ? !val : val); | |
1da177e4 LT |
675 | break; |
676 | } | |
677 | } | |
678 | ||
679 | static void | |
680 | init_jpeg_queue (struct zoran *zr) | |
681 | { | |
682 | int i; | |
683 | ||
684 | /* re-initialize DMA ring stuff */ | |
685 | zr->jpg_que_head = 0; | |
686 | zr->jpg_dma_head = 0; | |
687 | zr->jpg_dma_tail = 0; | |
688 | zr->jpg_que_tail = 0; | |
689 | zr->jpg_seq_num = 0; | |
690 | zr->JPEG_error = 0; | |
691 | zr->num_errors = 0; | |
692 | zr->jpg_err_seq = 0; | |
693 | zr->jpg_err_shift = 0; | |
694 | zr->jpg_queued_num = 0; | |
695 | for (i = 0; i < zr->jpg_buffers.num_buffers; i++) { | |
696 | zr->jpg_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */ | |
697 | } | |
698 | for (i = 0; i < BUZ_NUM_STAT_COM; i++) { | |
699 | zr->stat_com[i] = cpu_to_le32(1); /* mark as unavailable to zr36057 */ | |
700 | } | |
701 | } | |
702 | ||
703 | static void | |
704 | zr36057_set_jpg (struct zoran *zr, | |
705 | enum zoran_codec_mode mode) | |
706 | { | |
707 | struct tvnorm *tvn; | |
708 | u32 reg; | |
709 | ||
710 | tvn = zr->timing; | |
711 | ||
712 | /* assert P_Reset, disable code transfer, deassert Active */ | |
713 | btwrite(0, ZR36057_JPC); | |
714 | ||
715 | /* MJPEG compression mode */ | |
716 | switch (mode) { | |
717 | ||
718 | case BUZ_MODE_MOTION_COMPRESS: | |
719 | default: | |
720 | reg = ZR36057_JMC_MJPGCmpMode; | |
721 | break; | |
722 | ||
723 | case BUZ_MODE_MOTION_DECOMPRESS: | |
724 | reg = ZR36057_JMC_MJPGExpMode; | |
725 | reg |= ZR36057_JMC_SyncMstr; | |
726 | /* RJ: The following is experimental - improves the output to screen */ | |
727 | //if(zr->jpg_settings.VFIFO_FB) reg |= ZR36057_JMC_VFIFO_FB; // No, it doesn't. SM | |
728 | break; | |
729 | ||
730 | case BUZ_MODE_STILL_COMPRESS: | |
731 | reg = ZR36057_JMC_JPGCmpMode; | |
732 | break; | |
733 | ||
734 | case BUZ_MODE_STILL_DECOMPRESS: | |
735 | reg = ZR36057_JMC_JPGExpMode; | |
736 | break; | |
737 | ||
738 | } | |
739 | reg |= ZR36057_JMC_JPG; | |
740 | if (zr->jpg_settings.field_per_buff == 1) | |
741 | reg |= ZR36057_JMC_Fld_per_buff; | |
742 | btwrite(reg, ZR36057_JMC); | |
743 | ||
744 | /* vertical */ | |
745 | btor(ZR36057_VFEVCR_VSPol, ZR36057_VFEVCR); | |
746 | reg = (6 << ZR36057_VSP_VsyncSize) | | |
747 | (tvn->Ht << ZR36057_VSP_FrmTot); | |
748 | btwrite(reg, ZR36057_VSP); | |
749 | reg = ((zr->jpg_settings.img_y + tvn->VStart) << ZR36057_FVAP_NAY) | | |
750 | (zr->jpg_settings.img_height << ZR36057_FVAP_PAY); | |
751 | btwrite(reg, ZR36057_FVAP); | |
752 | ||
753 | /* horizontal */ | |
754 | if (zr->card.vfe_pol.hsync_pol) | |
755 | btor(ZR36057_VFEHCR_HSPol, ZR36057_VFEHCR); | |
756 | else | |
d56410e0 | 757 | btand(~ZR36057_VFEHCR_HSPol, ZR36057_VFEHCR); |
1da177e4 LT |
758 | reg = ((tvn->HSyncStart) << ZR36057_HSP_HsyncStart) | |
759 | (tvn->Wt << ZR36057_HSP_LineTot); | |
760 | btwrite(reg, ZR36057_HSP); | |
761 | reg = ((zr->jpg_settings.img_x + | |
d56410e0 | 762 | tvn->HStart + 4) << ZR36057_FHAP_NAX) | |
1da177e4 LT |
763 | (zr->jpg_settings.img_width << ZR36057_FHAP_PAX); |
764 | btwrite(reg, ZR36057_FHAP); | |
765 | ||
766 | /* field process parameters */ | |
767 | if (zr->jpg_settings.odd_even) | |
768 | reg = ZR36057_FPP_Odd_Even; | |
769 | else | |
770 | reg = 0; | |
771 | ||
772 | btwrite(reg, ZR36057_FPP); | |
773 | ||
774 | /* Set proper VCLK Polarity, else colors will be wrong during playback */ | |
775 | //btor(ZR36057_VFESPFR_VCLKPol, ZR36057_VFESPFR); | |
776 | ||
777 | /* code base address */ | |
778 | reg = virt_to_bus(zr->stat_com); | |
779 | btwrite(reg, ZR36057_JCBA); | |
780 | ||
781 | /* FIFO threshold (FIFO is 160. double words) */ | |
782 | /* NOTE: decimal values here */ | |
783 | switch (mode) { | |
784 | ||
785 | case BUZ_MODE_STILL_COMPRESS: | |
786 | case BUZ_MODE_MOTION_COMPRESS: | |
787 | if (zr->card.type != BUZ) | |
788 | reg = 140; | |
789 | else | |
790 | reg = 60; | |
791 | break; | |
792 | ||
793 | case BUZ_MODE_STILL_DECOMPRESS: | |
794 | case BUZ_MODE_MOTION_DECOMPRESS: | |
795 | reg = 20; | |
796 | break; | |
797 | ||
798 | default: | |
799 | reg = 80; | |
800 | break; | |
801 | ||
802 | } | |
803 | btwrite(reg, ZR36057_JCFT); | |
804 | zr36057_adjust_vfe(zr, mode); | |
805 | ||
806 | } | |
807 | ||
808 | void | |
809 | print_interrupts (struct zoran *zr) | |
810 | { | |
811 | int res, noerr = 0; | |
812 | ||
813 | printk(KERN_INFO "%s: interrupts received:", ZR_DEVNAME(zr)); | |
814 | if ((res = zr->field_counter) < -1 || res > 1) { | |
623b2f4a | 815 | printk(KERN_CONT " FD:%d", res); |
1da177e4 LT |
816 | } |
817 | if ((res = zr->intr_counter_GIRQ1) != 0) { | |
623b2f4a | 818 | printk(KERN_CONT " GIRQ1:%d", res); |
1da177e4 LT |
819 | noerr++; |
820 | } | |
821 | if ((res = zr->intr_counter_GIRQ0) != 0) { | |
623b2f4a | 822 | printk(KERN_CONT " GIRQ0:%d", res); |
1da177e4 LT |
823 | noerr++; |
824 | } | |
825 | if ((res = zr->intr_counter_CodRepIRQ) != 0) { | |
623b2f4a | 826 | printk(KERN_CONT " CodRepIRQ:%d", res); |
1da177e4 LT |
827 | noerr++; |
828 | } | |
829 | if ((res = zr->intr_counter_JPEGRepIRQ) != 0) { | |
623b2f4a | 830 | printk(KERN_CONT " JPEGRepIRQ:%d", res); |
1da177e4 LT |
831 | noerr++; |
832 | } | |
833 | if (zr->JPEG_max_missed) { | |
623b2f4a | 834 | printk(KERN_CONT " JPEG delays: max=%d min=%d", zr->JPEG_max_missed, |
1da177e4 LT |
835 | zr->JPEG_min_missed); |
836 | } | |
837 | if (zr->END_event_missed) { | |
623b2f4a | 838 | printk(KERN_CONT " ENDs missed: %d", zr->END_event_missed); |
1da177e4 LT |
839 | } |
840 | //if (zr->jpg_queued_num) { | |
623b2f4a | 841 | printk(KERN_CONT " queue_state=%ld/%ld/%ld/%ld", zr->jpg_que_tail, |
1da177e4 LT |
842 | zr->jpg_dma_tail, zr->jpg_dma_head, zr->jpg_que_head); |
843 | //} | |
844 | if (!noerr) { | |
623b2f4a | 845 | printk(KERN_CONT ": no interrupts detected."); |
1da177e4 | 846 | } |
623b2f4a | 847 | printk(KERN_CONT "\n"); |
1da177e4 LT |
848 | } |
849 | ||
850 | void | |
851 | clear_interrupt_counters (struct zoran *zr) | |
852 | { | |
853 | zr->intr_counter_GIRQ1 = 0; | |
854 | zr->intr_counter_GIRQ0 = 0; | |
855 | zr->intr_counter_CodRepIRQ = 0; | |
856 | zr->intr_counter_JPEGRepIRQ = 0; | |
857 | zr->field_counter = 0; | |
858 | zr->IRQ1_in = 0; | |
859 | zr->IRQ1_out = 0; | |
860 | zr->JPEG_in = 0; | |
861 | zr->JPEG_out = 0; | |
862 | zr->JPEG_0 = 0; | |
863 | zr->JPEG_1 = 0; | |
864 | zr->END_event_missed = 0; | |
865 | zr->JPEG_missed = 0; | |
866 | zr->JPEG_max_missed = 0; | |
867 | zr->JPEG_min_missed = 0x7fffffff; | |
868 | } | |
869 | ||
870 | static u32 | |
871 | count_reset_interrupt (struct zoran *zr) | |
872 | { | |
873 | u32 isr; | |
874 | ||
875 | if ((isr = btread(ZR36057_ISR) & 0x78000000)) { | |
876 | if (isr & ZR36057_ISR_GIRQ1) { | |
877 | btwrite(ZR36057_ISR_GIRQ1, ZR36057_ISR); | |
878 | zr->intr_counter_GIRQ1++; | |
879 | } | |
880 | if (isr & ZR36057_ISR_GIRQ0) { | |
881 | btwrite(ZR36057_ISR_GIRQ0, ZR36057_ISR); | |
882 | zr->intr_counter_GIRQ0++; | |
883 | } | |
884 | if (isr & ZR36057_ISR_CodRepIRQ) { | |
885 | btwrite(ZR36057_ISR_CodRepIRQ, ZR36057_ISR); | |
886 | zr->intr_counter_CodRepIRQ++; | |
887 | } | |
888 | if (isr & ZR36057_ISR_JPEGRepIRQ) { | |
889 | btwrite(ZR36057_ISR_JPEGRepIRQ, ZR36057_ISR); | |
890 | zr->intr_counter_JPEGRepIRQ++; | |
891 | } | |
892 | } | |
893 | return isr; | |
894 | } | |
895 | ||
1da177e4 LT |
896 | void |
897 | jpeg_start (struct zoran *zr) | |
898 | { | |
899 | int reg; | |
900 | ||
901 | zr->frame_num = 0; | |
902 | ||
903 | /* deassert P_reset, disable code transfer, deassert Active */ | |
904 | btwrite(ZR36057_JPC_P_Reset, ZR36057_JPC); | |
905 | /* stop flushing the internal code buffer */ | |
906 | btand(~ZR36057_MCTCR_CFlush, ZR36057_MCTCR); | |
907 | /* enable code transfer */ | |
908 | btor(ZR36057_JPC_CodTrnsEn, ZR36057_JPC); | |
909 | ||
910 | /* clear IRQs */ | |
911 | btwrite(IRQ_MASK, ZR36057_ISR); | |
912 | /* enable the JPEG IRQs */ | |
913 | btwrite(zr->card.jpeg_int | | |
914 | ZR36057_ICR_JPEGRepIRQ | | |
915 | ZR36057_ICR_IntPinEn, | |
916 | ZR36057_ICR); | |
917 | ||
918 | set_frame(zr, 0); // \FRAME | |
919 | ||
920 | /* set the JPEG codec guest ID */ | |
921 | reg = (zr->card.gpcs[1] << ZR36057_JCGI_JPEGuestID) | | |
922 | (0 << ZR36057_JCGI_JPEGuestReg); | |
923 | btwrite(reg, ZR36057_JCGI); | |
924 | ||
925 | if (zr->card.video_vfe == CODEC_TYPE_ZR36016 && | |
926 | zr->card.video_codec == CODEC_TYPE_ZR36050) { | |
927 | /* Enable processing on the ZR36016 */ | |
928 | if (zr->vfe) | |
929 | zr36016_write(zr->vfe, 0, 1); | |
930 | ||
931 | /* load the address of the GO register in the ZR36050 latch */ | |
932 | post_office_write(zr, 0, 0, 0); | |
933 | } | |
934 | ||
935 | /* assert Active */ | |
936 | btor(ZR36057_JPC_Active, ZR36057_JPC); | |
937 | ||
938 | /* enable the Go generation */ | |
939 | btor(ZR36057_JMC_Go_en, ZR36057_JMC); | |
940 | udelay(30); | |
941 | ||
942 | set_frame(zr, 1); // /FRAME | |
943 | ||
944 | dprintk(3, KERN_DEBUG "%s: jpeg_start\n", ZR_DEVNAME(zr)); | |
945 | } | |
946 | ||
947 | void | |
948 | zr36057_enable_jpg (struct zoran *zr, | |
949 | enum zoran_codec_mode mode) | |
950 | { | |
1da177e4 LT |
951 | struct vfe_settings cap; |
952 | int field_size = | |
953 | zr->jpg_buffers.buffer_size / zr->jpg_settings.field_per_buff; | |
954 | ||
955 | zr->codec_mode = mode; | |
956 | ||
957 | cap.x = zr->jpg_settings.img_x; | |
958 | cap.y = zr->jpg_settings.img_y; | |
959 | cap.width = zr->jpg_settings.img_width; | |
960 | cap.height = zr->jpg_settings.img_height; | |
961 | cap.decimation = | |
962 | zr->jpg_settings.HorDcm | (zr->jpg_settings.VerDcm << 8); | |
963 | cap.quality = zr->jpg_settings.jpg_comp.quality; | |
964 | ||
965 | switch (mode) { | |
966 | ||
967 | case BUZ_MODE_MOTION_COMPRESS: { | |
968 | struct jpeg_app_marker app; | |
969 | struct jpeg_com_marker com; | |
970 | ||
971 | /* In motion compress mode, the decoder output must be enabled, and | |
972 | * the video bus direction set to input. | |
973 | */ | |
974 | set_videobus_dir(zr, 0); | |
0ab6e1c3 | 975 | decoder_call(zr, video, s_stream, 1); |
5325b427 | 976 | encoder_call(zr, video, s_routing, 0, 0, 0); |
1da177e4 LT |
977 | |
978 | /* Take the JPEG codec and the VFE out of sleep */ | |
979 | jpeg_codec_sleep(zr, 0); | |
980 | ||
981 | /* set JPEG app/com marker */ | |
982 | app.appn = zr->jpg_settings.jpg_comp.APPn; | |
983 | app.len = zr->jpg_settings.jpg_comp.APP_len; | |
984 | memcpy(app.data, zr->jpg_settings.jpg_comp.APP_data, 60); | |
985 | zr->codec->control(zr->codec, CODEC_S_JPEG_APP_DATA, | |
986 | sizeof(struct jpeg_app_marker), &app); | |
987 | ||
988 | com.len = zr->jpg_settings.jpg_comp.COM_len; | |
989 | memcpy(com.data, zr->jpg_settings.jpg_comp.COM_data, 60); | |
990 | zr->codec->control(zr->codec, CODEC_S_JPEG_COM_DATA, | |
991 | sizeof(struct jpeg_com_marker), &com); | |
992 | ||
993 | /* Setup the JPEG codec */ | |
994 | zr->codec->control(zr->codec, CODEC_S_JPEG_TDS_BYTE, | |
995 | sizeof(int), &field_size); | |
996 | zr->codec->set_video(zr->codec, zr->timing, &cap, | |
997 | &zr->card.vfe_pol); | |
998 | zr->codec->set_mode(zr->codec, CODEC_DO_COMPRESSION); | |
999 | ||
1000 | /* Setup the VFE */ | |
1001 | if (zr->vfe) { | |
1002 | zr->vfe->control(zr->vfe, CODEC_S_JPEG_TDS_BYTE, | |
1003 | sizeof(int), &field_size); | |
1004 | zr->vfe->set_video(zr->vfe, zr->timing, &cap, | |
1005 | &zr->card.vfe_pol); | |
1006 | zr->vfe->set_mode(zr->vfe, CODEC_DO_COMPRESSION); | |
1007 | } | |
1008 | ||
1009 | init_jpeg_queue(zr); | |
1010 | zr36057_set_jpg(zr, mode); // \P_Reset, ... Video param, FIFO | |
1011 | ||
1012 | clear_interrupt_counters(zr); | |
1013 | dprintk(2, KERN_INFO "%s: enable_jpg(MOTION_COMPRESS)\n", | |
1014 | ZR_DEVNAME(zr)); | |
1015 | break; | |
1016 | } | |
1017 | ||
1018 | case BUZ_MODE_MOTION_DECOMPRESS: | |
1019 | /* In motion decompression mode, the decoder output must be disabled, and | |
1020 | * the video bus direction set to output. | |
1021 | */ | |
0ab6e1c3 | 1022 | decoder_call(zr, video, s_stream, 0); |
1da177e4 | 1023 | set_videobus_dir(zr, 1); |
5325b427 | 1024 | encoder_call(zr, video, s_routing, 1, 0, 0); |
1da177e4 LT |
1025 | |
1026 | /* Take the JPEG codec and the VFE out of sleep */ | |
1027 | jpeg_codec_sleep(zr, 0); | |
1028 | /* Setup the VFE */ | |
1029 | if (zr->vfe) { | |
1030 | zr->vfe->set_video(zr->vfe, zr->timing, &cap, | |
1031 | &zr->card.vfe_pol); | |
1032 | zr->vfe->set_mode(zr->vfe, CODEC_DO_EXPANSION); | |
1033 | } | |
1034 | /* Setup the JPEG codec */ | |
1035 | zr->codec->set_video(zr->codec, zr->timing, &cap, | |
1036 | &zr->card.vfe_pol); | |
1037 | zr->codec->set_mode(zr->codec, CODEC_DO_EXPANSION); | |
1038 | ||
1039 | init_jpeg_queue(zr); | |
1040 | zr36057_set_jpg(zr, mode); // \P_Reset, ... Video param, FIFO | |
1041 | ||
1042 | clear_interrupt_counters(zr); | |
1043 | dprintk(2, KERN_INFO "%s: enable_jpg(MOTION_DECOMPRESS)\n", | |
1044 | ZR_DEVNAME(zr)); | |
1045 | break; | |
1046 | ||
1047 | case BUZ_MODE_IDLE: | |
1048 | default: | |
1049 | /* shut down processing */ | |
1050 | btand(~(zr->card.jpeg_int | ZR36057_ICR_JPEGRepIRQ), | |
1051 | ZR36057_ICR); | |
1052 | btwrite(zr->card.jpeg_int | ZR36057_ICR_JPEGRepIRQ, | |
1053 | ZR36057_ISR); | |
1054 | btand(~ZR36057_JMC_Go_en, ZR36057_JMC); // \Go_en | |
1055 | ||
1056 | msleep(50); | |
1057 | ||
1058 | set_videobus_dir(zr, 0); | |
1059 | set_frame(zr, 1); // /FRAME | |
1060 | btor(ZR36057_MCTCR_CFlush, ZR36057_MCTCR); // /CFlush | |
1061 | btwrite(0, ZR36057_JPC); // \P_Reset,\CodTrnsEn,\Active | |
1062 | btand(~ZR36057_JMC_VFIFO_FB, ZR36057_JMC); | |
1063 | btand(~ZR36057_JMC_SyncMstr, ZR36057_JMC); | |
1064 | jpeg_codec_reset(zr); | |
1065 | jpeg_codec_sleep(zr, 1); | |
1066 | zr36057_adjust_vfe(zr, mode); | |
1067 | ||
0ab6e1c3 | 1068 | decoder_call(zr, video, s_stream, 1); |
5325b427 | 1069 | encoder_call(zr, video, s_routing, 0, 0, 0); |
1da177e4 LT |
1070 | |
1071 | dprintk(2, KERN_INFO "%s: enable_jpg(IDLE)\n", ZR_DEVNAME(zr)); | |
1072 | break; | |
1073 | ||
1074 | } | |
1075 | } | |
1076 | ||
1077 | /* when this is called the spinlock must be held */ | |
1078 | void | |
1079 | zoran_feed_stat_com (struct zoran *zr) | |
1080 | { | |
1081 | /* move frames from pending queue to DMA */ | |
1082 | ||
1083 | int frame, i, max_stat_com; | |
1084 | ||
1085 | max_stat_com = | |
1086 | (zr->jpg_settings.TmpDcm == | |
1087 | 1) ? BUZ_NUM_STAT_COM : (BUZ_NUM_STAT_COM >> 1); | |
1088 | ||
1089 | while ((zr->jpg_dma_head - zr->jpg_dma_tail) < max_stat_com && | |
1090 | zr->jpg_dma_head < zr->jpg_que_head) { | |
1091 | ||
1092 | frame = zr->jpg_pend[zr->jpg_dma_head & BUZ_MASK_FRAME]; | |
1093 | if (zr->jpg_settings.TmpDcm == 1) { | |
1094 | /* fill 1 stat_com entry */ | |
1095 | i = (zr->jpg_dma_head - | |
1096 | zr->jpg_err_shift) & BUZ_MASK_STAT_COM; | |
1097 | if (!(zr->stat_com[i] & cpu_to_le32(1))) | |
1098 | break; | |
1099 | zr->stat_com[i] = | |
1159b7f1 | 1100 | cpu_to_le32(zr->jpg_buffers.buffer[frame].jpg.frag_tab_bus); |
1da177e4 LT |
1101 | } else { |
1102 | /* fill 2 stat_com entries */ | |
1103 | i = ((zr->jpg_dma_head - | |
1104 | zr->jpg_err_shift) & 1) * 2; | |
1105 | if (!(zr->stat_com[i] & cpu_to_le32(1))) | |
1106 | break; | |
1107 | zr->stat_com[i] = | |
1159b7f1 | 1108 | cpu_to_le32(zr->jpg_buffers.buffer[frame].jpg.frag_tab_bus); |
1da177e4 | 1109 | zr->stat_com[i + 1] = |
1159b7f1 | 1110 | cpu_to_le32(zr->jpg_buffers.buffer[frame].jpg.frag_tab_bus); |
1da177e4 LT |
1111 | } |
1112 | zr->jpg_buffers.buffer[frame].state = BUZ_STATE_DMA; | |
1113 | zr->jpg_dma_head++; | |
1114 | ||
1115 | } | |
1116 | if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS) | |
1117 | zr->jpg_queued_num++; | |
1118 | } | |
1119 | ||
1120 | /* when this is called the spinlock must be held */ | |
1121 | static void | |
1122 | zoran_reap_stat_com (struct zoran *zr) | |
1123 | { | |
1124 | /* move frames from DMA queue to done queue */ | |
1125 | ||
1126 | int i; | |
1127 | u32 stat_com; | |
1128 | unsigned int seq; | |
1129 | unsigned int dif; | |
1159b7f1 | 1130 | struct zoran_buffer *buffer; |
1da177e4 LT |
1131 | int frame; |
1132 | ||
1133 | /* In motion decompress we don't have a hardware frame counter, | |
1134 | * we just count the interrupts here */ | |
1135 | ||
1136 | if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS) { | |
1137 | zr->jpg_seq_num++; | |
1138 | } | |
1139 | while (zr->jpg_dma_tail < zr->jpg_dma_head) { | |
1140 | if (zr->jpg_settings.TmpDcm == 1) | |
1141 | i = (zr->jpg_dma_tail - | |
1142 | zr->jpg_err_shift) & BUZ_MASK_STAT_COM; | |
1143 | else | |
1144 | i = ((zr->jpg_dma_tail - | |
1145 | zr->jpg_err_shift) & 1) * 2 + 1; | |
1146 | ||
1147 | stat_com = le32_to_cpu(zr->stat_com[i]); | |
1148 | ||
1149 | if ((stat_com & 1) == 0) { | |
1150 | return; | |
1151 | } | |
1152 | frame = zr->jpg_pend[zr->jpg_dma_tail & BUZ_MASK_FRAME]; | |
1153 | buffer = &zr->jpg_buffers.buffer[frame]; | |
8e6057b5 | 1154 | v4l2_get_timestamp(&buffer->bs.timestamp); |
1da177e4 LT |
1155 | |
1156 | if (zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) { | |
1157 | buffer->bs.length = (stat_com & 0x7fffff) >> 1; | |
1158 | ||
1159 | /* update sequence number with the help of the counter in stat_com */ | |
1160 | ||
1161 | seq = ((stat_com >> 24) + zr->jpg_err_seq) & 0xff; | |
1162 | dif = (seq - zr->jpg_seq_num) & 0xff; | |
1163 | zr->jpg_seq_num += dif; | |
1164 | } else { | |
1165 | buffer->bs.length = 0; | |
1166 | } | |
1167 | buffer->bs.seq = | |
1168 | zr->jpg_settings.TmpDcm == | |
1169 | 2 ? (zr->jpg_seq_num >> 1) : zr->jpg_seq_num; | |
1170 | buffer->state = BUZ_STATE_DONE; | |
1171 | ||
1172 | zr->jpg_dma_tail++; | |
1173 | } | |
1174 | } | |
1175 | ||
7f37cc9b HV |
1176 | static void zoran_restart(struct zoran *zr) |
1177 | { | |
1178 | /* Now the stat_comm buffer is ready for restart */ | |
db1b7265 MN |
1179 | unsigned int status = 0; |
1180 | int mode; | |
7f37cc9b HV |
1181 | |
1182 | if (zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) { | |
0ab6e1c3 | 1183 | decoder_call(zr, video, g_input_status, &status); |
7f37cc9b HV |
1184 | mode = CODEC_DO_COMPRESSION; |
1185 | } else { | |
107063c6 | 1186 | status = V4L2_IN_ST_NO_SIGNAL; |
7f37cc9b HV |
1187 | mode = CODEC_DO_EXPANSION; |
1188 | } | |
1189 | if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS || | |
107063c6 | 1190 | !(status & V4L2_IN_ST_NO_SIGNAL)) { |
7f37cc9b HV |
1191 | /********** RESTART code *************/ |
1192 | jpeg_codec_reset(zr); | |
1193 | zr->codec->set_mode(zr->codec, mode); | |
1194 | zr36057_set_jpg(zr, zr->codec_mode); | |
1195 | jpeg_start(zr); | |
1196 | ||
1197 | if (zr->num_errors <= 8) | |
1198 | dprintk(2, KERN_INFO "%s: Restart\n", | |
1199 | ZR_DEVNAME(zr)); | |
1200 | ||
1201 | zr->JPEG_missed = 0; | |
1202 | zr->JPEG_error = 2; | |
1203 | /********** End RESTART code ***********/ | |
1204 | } | |
1205 | } | |
1206 | ||
1da177e4 LT |
1207 | static void |
1208 | error_handler (struct zoran *zr, | |
1209 | u32 astat, | |
1210 | u32 stat) | |
1211 | { | |
6aba72cf | 1212 | int i; |
7f37cc9b | 1213 | |
1da177e4 | 1214 | /* This is JPEG error handling part */ |
7f37cc9b HV |
1215 | if (zr->codec_mode != BUZ_MODE_MOTION_COMPRESS && |
1216 | zr->codec_mode != BUZ_MODE_MOTION_DECOMPRESS) { | |
1da177e4 LT |
1217 | return; |
1218 | } | |
1219 | ||
1220 | if ((stat & 1) == 0 && | |
1221 | zr->codec_mode == BUZ_MODE_MOTION_COMPRESS && | |
7f37cc9b | 1222 | zr->jpg_dma_tail - zr->jpg_que_tail >= zr->jpg_buffers.num_buffers) { |
1da177e4 LT |
1223 | /* No free buffers... */ |
1224 | zoran_reap_stat_com(zr); | |
1225 | zoran_feed_stat_com(zr); | |
1226 | wake_up_interruptible(&zr->jpg_capq); | |
1227 | zr->JPEG_missed = 0; | |
1228 | return; | |
1229 | } | |
1230 | ||
7f37cc9b HV |
1231 | if (zr->JPEG_error == 1) { |
1232 | zoran_restart(zr); | |
1233 | return; | |
1234 | } | |
1da177e4 | 1235 | |
7f37cc9b HV |
1236 | /* |
1237 | * First entry: error just happened during normal operation | |
1238 | * | |
1239 | * In BUZ_MODE_MOTION_COMPRESS: | |
1240 | * | |
1241 | * Possible glitch in TV signal. In this case we should | |
1242 | * stop the codec and wait for good quality signal before | |
1243 | * restarting it to avoid further problems | |
1244 | * | |
1245 | * In BUZ_MODE_MOTION_DECOMPRESS: | |
1246 | * | |
1247 | * Bad JPEG frame: we have to mark it as processed (codec crashed | |
1248 | * and was not able to do it itself), and to remove it from queue. | |
1249 | */ | |
1250 | btand(~ZR36057_JMC_Go_en, ZR36057_JMC); | |
1251 | udelay(1); | |
1252 | stat = stat | (post_office_read(zr, 7, 0) & 3) << 8; | |
1253 | btwrite(0, ZR36057_JPC); | |
1254 | btor(ZR36057_MCTCR_CFlush, ZR36057_MCTCR); | |
1255 | jpeg_codec_reset(zr); | |
1256 | jpeg_codec_sleep(zr, 1); | |
1257 | zr->JPEG_error = 1; | |
1258 | zr->num_errors++; | |
1259 | ||
1260 | /* Report error */ | |
1261 | if (zr36067_debug > 1 && zr->num_errors <= 8) { | |
1262 | long frame; | |
6aba72cf | 1263 | int j; |
7f37cc9b HV |
1264 | |
1265 | frame = zr->jpg_pend[zr->jpg_dma_tail & BUZ_MASK_FRAME]; | |
1266 | printk(KERN_ERR | |
1267 | "%s: JPEG error stat=0x%08x(0x%08x) queue_state=%ld/%ld/%ld/%ld seq=%ld frame=%ld. Codec stopped. ", | |
1268 | ZR_DEVNAME(zr), stat, zr->last_isr, | |
1269 | zr->jpg_que_tail, zr->jpg_dma_tail, | |
1270 | zr->jpg_dma_head, zr->jpg_que_head, | |
1271 | zr->jpg_seq_num, frame); | |
1272 | printk(KERN_INFO "stat_com frames:"); | |
1273 | for (j = 0; j < BUZ_NUM_STAT_COM; j++) { | |
1274 | for (i = 0; i < zr->jpg_buffers.num_buffers; i++) { | |
1159b7f1 | 1275 | if (le32_to_cpu(zr->stat_com[j]) == zr->jpg_buffers.buffer[i].jpg.frag_tab_bus) |
7f37cc9b | 1276 | printk(KERN_CONT "% d->%d", j, i); |
1da177e4 | 1277 | } |
1da177e4 | 1278 | } |
7f37cc9b | 1279 | printk(KERN_CONT "\n"); |
1da177e4 | 1280 | } |
7f37cc9b HV |
1281 | /* Find an entry in stat_com and rotate contents */ |
1282 | if (zr->jpg_settings.TmpDcm == 1) | |
1283 | i = (zr->jpg_dma_tail - zr->jpg_err_shift) & BUZ_MASK_STAT_COM; | |
1284 | else | |
1285 | i = ((zr->jpg_dma_tail - zr->jpg_err_shift) & 1) * 2; | |
1286 | if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS) { | |
1287 | /* Mimic zr36067 operation */ | |
1288 | zr->stat_com[i] |= cpu_to_le32(1); | |
1289 | if (zr->jpg_settings.TmpDcm != 1) | |
1290 | zr->stat_com[i + 1] |= cpu_to_le32(1); | |
1291 | /* Refill */ | |
1292 | zoran_reap_stat_com(zr); | |
1293 | zoran_feed_stat_com(zr); | |
1294 | wake_up_interruptible(&zr->jpg_capq); | |
1295 | /* Find an entry in stat_com again after refill */ | |
1296 | if (zr->jpg_settings.TmpDcm == 1) | |
1297 | i = (zr->jpg_dma_tail - zr->jpg_err_shift) & BUZ_MASK_STAT_COM; | |
1298 | else | |
1299 | i = ((zr->jpg_dma_tail - zr->jpg_err_shift) & 1) * 2; | |
1300 | } | |
1301 | if (i) { | |
1302 | /* Rotate stat_comm entries to make current entry first */ | |
1303 | int j; | |
1304 | __le32 bus_addr[BUZ_NUM_STAT_COM]; | |
1305 | ||
1306 | /* Here we are copying the stat_com array, which | |
1307 | * is already in little endian format, so | |
1308 | * no endian conversions here | |
1309 | */ | |
1310 | memcpy(bus_addr, zr->stat_com, sizeof(bus_addr)); | |
1da177e4 | 1311 | |
7f37cc9b HV |
1312 | for (j = 0; j < BUZ_NUM_STAT_COM; j++) |
1313 | zr->stat_com[j] = bus_addr[(i + j) & BUZ_MASK_STAT_COM]; | |
1da177e4 | 1314 | |
7f37cc9b HV |
1315 | zr->jpg_err_shift += i; |
1316 | zr->jpg_err_shift &= BUZ_MASK_STAT_COM; | |
1317 | } | |
1318 | if (zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) | |
1319 | zr->jpg_err_seq = zr->jpg_seq_num; /* + 1; */ | |
1320 | zoran_restart(zr); | |
1da177e4 LT |
1321 | } |
1322 | ||
1323 | irqreturn_t | |
1324 | zoran_irq (int irq, | |
7d12e780 | 1325 | void *dev_id) |
1da177e4 LT |
1326 | { |
1327 | u32 stat, astat; | |
1328 | int count; | |
1329 | struct zoran *zr; | |
1330 | unsigned long flags; | |
1331 | ||
c7bec5ab | 1332 | zr = dev_id; |
1da177e4 LT |
1333 | count = 0; |
1334 | ||
1335 | if (zr->testing) { | |
1336 | /* Testing interrupts */ | |
1337 | spin_lock_irqsave(&zr->spinlock, flags); | |
1338 | while ((stat = count_reset_interrupt(zr))) { | |
1339 | if (count++ > 100) { | |
1340 | btand(~ZR36057_ICR_IntPinEn, ZR36057_ICR); | |
1341 | dprintk(1, | |
1342 | KERN_ERR | |
1343 | "%s: IRQ lockup while testing, isr=0x%08x, cleared int mask\n", | |
1344 | ZR_DEVNAME(zr), stat); | |
1345 | wake_up_interruptible(&zr->test_q); | |
1346 | } | |
1347 | } | |
1348 | zr->last_isr = stat; | |
1349 | spin_unlock_irqrestore(&zr->spinlock, flags); | |
1350 | return IRQ_HANDLED; | |
1351 | } | |
1352 | ||
1353 | spin_lock_irqsave(&zr->spinlock, flags); | |
1354 | while (1) { | |
1355 | /* get/clear interrupt status bits */ | |
1356 | stat = count_reset_interrupt(zr); | |
1357 | astat = stat & IRQ_MASK; | |
1358 | if (!astat) { | |
1359 | break; | |
1360 | } | |
1361 | dprintk(4, | |
1362 | KERN_DEBUG | |
1363 | "zoran_irq: astat: 0x%08x, mask: 0x%08x\n", | |
1364 | astat, btread(ZR36057_ICR)); | |
1365 | if (astat & zr->card.vsync_int) { // SW | |
1366 | ||
1367 | if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS || | |
1368 | zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) { | |
1369 | /* count missed interrupts */ | |
1370 | zr->JPEG_missed++; | |
1371 | } | |
1372 | //post_office_read(zr,1,0); | |
1373 | /* Interrupts may still happen when | |
1374 | * zr->v4l_memgrab_active is switched off. | |
1375 | * We simply ignore them */ | |
1376 | ||
1377 | if (zr->v4l_memgrab_active) { | |
1da177e4 | 1378 | /* A lot more checks should be here ... */ |
7f37cc9b | 1379 | if ((btread(ZR36057_VSSFGR) & ZR36057_VSSFGR_SnapShot) == 0) |
1da177e4 LT |
1380 | dprintk(1, |
1381 | KERN_WARNING | |
1382 | "%s: BuzIRQ with SnapShot off ???\n", | |
1383 | ZR_DEVNAME(zr)); | |
1384 | ||
1385 | if (zr->v4l_grab_frame != NO_GRAB_ACTIVE) { | |
1386 | /* There is a grab on a frame going on, check if it has finished */ | |
7f37cc9b | 1387 | if ((btread(ZR36057_VSSFGR) & ZR36057_VSSFGR_FrameGrab) == 0) { |
1da177e4 LT |
1388 | /* it is finished, notify the user */ |
1389 | ||
1390 | zr->v4l_buffers.buffer[zr->v4l_grab_frame].state = BUZ_STATE_DONE; | |
1391 | zr->v4l_buffers.buffer[zr->v4l_grab_frame].bs.seq = zr->v4l_grab_seq; | |
8e6057b5 | 1392 | v4l2_get_timestamp(&zr->v4l_buffers.buffer[zr->v4l_grab_frame].bs.timestamp); |
1da177e4 LT |
1393 | zr->v4l_grab_frame = NO_GRAB_ACTIVE; |
1394 | zr->v4l_pend_tail++; | |
1395 | } | |
1396 | } | |
1397 | ||
1398 | if (zr->v4l_grab_frame == NO_GRAB_ACTIVE) | |
1399 | wake_up_interruptible(&zr->v4l_capq); | |
1400 | ||
1401 | /* Check if there is another grab queued */ | |
1402 | ||
1403 | if (zr->v4l_grab_frame == NO_GRAB_ACTIVE && | |
1404 | zr->v4l_pend_tail != zr->v4l_pend_head) { | |
7f37cc9b | 1405 | int frame = zr->v4l_pend[zr->v4l_pend_tail & V4L_MASK_FRAME]; |
1da177e4 LT |
1406 | u32 reg; |
1407 | ||
1408 | zr->v4l_grab_frame = frame; | |
1409 | ||
1410 | /* Set zr36057 video front end and enable video */ | |
1411 | ||
1412 | /* Buffer address */ | |
1413 | ||
1159b7f1 | 1414 | reg = zr->v4l_buffers.buffer[frame].v4l.fbuffer_bus; |
1da177e4 | 1415 | btwrite(reg, ZR36057_VDTR); |
7f37cc9b HV |
1416 | if (zr->v4l_settings.height > BUZ_MAX_HEIGHT / 2) |
1417 | reg += zr->v4l_settings.bytesperline; | |
1da177e4 LT |
1418 | btwrite(reg, ZR36057_VDBR); |
1419 | ||
1420 | /* video stride, status, and frame grab register */ | |
1421 | reg = 0; | |
7f37cc9b HV |
1422 | if (zr->v4l_settings.height > BUZ_MAX_HEIGHT / 2) |
1423 | reg += zr->v4l_settings.bytesperline; | |
1424 | reg = (reg << ZR36057_VSSFGR_DispStride); | |
1da177e4 LT |
1425 | reg |= ZR36057_VSSFGR_VidOvf; |
1426 | reg |= ZR36057_VSSFGR_SnapShot; | |
1427 | reg |= ZR36057_VSSFGR_FrameGrab; | |
1428 | btwrite(reg, ZR36057_VSSFGR); | |
1429 | ||
1430 | btor(ZR36057_VDCR_VidEn, | |
1431 | ZR36057_VDCR); | |
1432 | } | |
1433 | } | |
1434 | ||
1435 | /* even if we don't grab, we do want to increment | |
1436 | * the sequence counter to see lost frames */ | |
1437 | zr->v4l_grab_seq++; | |
1438 | } | |
1439 | #if (IRQ_MASK & ZR36057_ISR_CodRepIRQ) | |
1440 | if (astat & ZR36057_ISR_CodRepIRQ) { | |
1441 | zr->intr_counter_CodRepIRQ++; | |
7f37cc9b | 1442 | IDEBUG(printk(KERN_DEBUG "%s: ZR36057_ISR_CodRepIRQ\n", |
1da177e4 LT |
1443 | ZR_DEVNAME(zr))); |
1444 | btand(~ZR36057_ICR_CodRepIRQ, ZR36057_ICR); | |
1445 | } | |
1446 | #endif /* (IRQ_MASK & ZR36057_ISR_CodRepIRQ) */ | |
1447 | ||
1448 | #if (IRQ_MASK & ZR36057_ISR_JPEGRepIRQ) | |
7f37cc9b HV |
1449 | if ((astat & ZR36057_ISR_JPEGRepIRQ) && |
1450 | (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS || | |
1451 | zr->codec_mode == BUZ_MODE_MOTION_COMPRESS)) { | |
1452 | if (zr36067_debug > 1 && (!zr->frame_num || zr->JPEG_error)) { | |
634c6931 | 1453 | char sv[BUZ_NUM_STAT_COM + 1]; |
7f37cc9b HV |
1454 | int i; |
1455 | ||
1456 | printk(KERN_INFO | |
1457 | "%s: first frame ready: state=0x%08x odd_even=%d field_per_buff=%d delay=%d\n", | |
1458 | ZR_DEVNAME(zr), stat, | |
1459 | zr->jpg_settings.odd_even, | |
1460 | zr->jpg_settings.field_per_buff, | |
1461 | zr->JPEG_missed); | |
1462 | ||
634c6931 JP |
1463 | for (i = 0; i < BUZ_NUM_STAT_COM; i++) |
1464 | sv[i] = le32_to_cpu(zr->stat_com[i]) & 1 ? '1' : '0'; | |
1465 | sv[BUZ_NUM_STAT_COM] = 0; | |
7f37cc9b HV |
1466 | printk(KERN_INFO |
1467 | "%s: stat_com=%s queue_state=%ld/%ld/%ld/%ld\n", | |
1468 | ZR_DEVNAME(zr), sv, | |
1469 | zr->jpg_que_tail, | |
1470 | zr->jpg_dma_tail, | |
1471 | zr->jpg_dma_head, | |
1472 | zr->jpg_que_head); | |
1473 | } else { | |
1474 | /* Get statistics */ | |
1475 | if (zr->JPEG_missed > zr->JPEG_max_missed) | |
1476 | zr->JPEG_max_missed = zr->JPEG_missed; | |
1477 | if (zr->JPEG_missed < zr->JPEG_min_missed) | |
1478 | zr->JPEG_min_missed = zr->JPEG_missed; | |
1479 | } | |
1da177e4 | 1480 | |
7f37cc9b HV |
1481 | if (zr36067_debug > 2 && zr->frame_num < 6) { |
1482 | int i; | |
1483 | ||
1484 | printk(KERN_INFO "%s: seq=%ld stat_com:", | |
1485 | ZR_DEVNAME(zr), zr->jpg_seq_num); | |
1486 | for (i = 0; i < 4; i++) { | |
1487 | printk(KERN_CONT " %08x", | |
1488 | le32_to_cpu(zr->stat_com[i])); | |
1da177e4 | 1489 | } |
7f37cc9b HV |
1490 | printk(KERN_CONT "\n"); |
1491 | } | |
1492 | zr->frame_num++; | |
1493 | zr->JPEG_missed = 0; | |
1494 | zr->JPEG_error = 0; | |
1495 | zoran_reap_stat_com(zr); | |
1496 | zoran_feed_stat_com(zr); | |
1497 | wake_up_interruptible(&zr->jpg_capq); | |
1da177e4 LT |
1498 | } |
1499 | #endif /* (IRQ_MASK & ZR36057_ISR_JPEGRepIRQ) */ | |
1500 | ||
1501 | /* DATERR, too many fields missed, error processing */ | |
1502 | if ((astat & zr->card.jpeg_int) || | |
1503 | zr->JPEG_missed > 25 || | |
1504 | zr->JPEG_error == 1 || | |
1505 | ((zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS) && | |
2a72b39e | 1506 | (zr->frame_num && (zr->JPEG_missed > zr->jpg_settings.field_per_buff)))) { |
1da177e4 LT |
1507 | error_handler(zr, astat, stat); |
1508 | } | |
1509 | ||
1510 | count++; | |
1511 | if (count > 10) { | |
1512 | dprintk(2, KERN_WARNING "%s: irq loop %d\n", | |
1513 | ZR_DEVNAME(zr), count); | |
1514 | if (count > 20) { | |
1515 | btand(~ZR36057_ICR_IntPinEn, ZR36057_ICR); | |
1516 | dprintk(2, | |
1517 | KERN_ERR | |
1518 | "%s: IRQ lockup, cleared int mask\n", | |
1519 | ZR_DEVNAME(zr)); | |
1520 | break; | |
1521 | } | |
1522 | } | |
1523 | zr->last_isr = stat; | |
1524 | } | |
1525 | spin_unlock_irqrestore(&zr->spinlock, flags); | |
1526 | ||
1527 | return IRQ_HANDLED; | |
1528 | } | |
1529 | ||
1530 | void | |
1531 | zoran_set_pci_master (struct zoran *zr, | |
1532 | int set_master) | |
1533 | { | |
1534 | if (set_master) { | |
1535 | pci_set_master(zr->pci_dev); | |
1536 | } else { | |
1537 | u16 command; | |
1538 | ||
1539 | pci_read_config_word(zr->pci_dev, PCI_COMMAND, &command); | |
1540 | command &= ~PCI_COMMAND_MASTER; | |
1541 | pci_write_config_word(zr->pci_dev, PCI_COMMAND, command); | |
1542 | } | |
1543 | } | |
1544 | ||
1545 | void | |
1546 | zoran_init_hardware (struct zoran *zr) | |
1547 | { | |
1da177e4 LT |
1548 | /* Enable bus-mastering */ |
1549 | zoran_set_pci_master(zr, 1); | |
1550 | ||
1551 | /* Initialize the board */ | |
1552 | if (zr->card.init) { | |
1553 | zr->card.init(zr); | |
1554 | } | |
1555 | ||
0ab6e1c3 | 1556 | decoder_call(zr, core, init, 0); |
8774bed9 | 1557 | decoder_call(zr, video, s_std, zr->norm); |
5325b427 HV |
1558 | decoder_call(zr, video, s_routing, |
1559 | zr->card.input[zr->input].muxsel, 0, 0); | |
1da177e4 | 1560 | |
0ab6e1c3 HV |
1561 | encoder_call(zr, core, init, 0); |
1562 | encoder_call(zr, video, s_std_output, zr->norm); | |
5325b427 | 1563 | encoder_call(zr, video, s_routing, 0, 0, 0); |
1da177e4 LT |
1564 | |
1565 | /* toggle JPEG codec sleep to sync PLL */ | |
1566 | jpeg_codec_sleep(zr, 1); | |
1567 | jpeg_codec_sleep(zr, 0); | |
1568 | ||
03e5dcee MCC |
1569 | /* |
1570 | * set individual interrupt enables (without GIRQ1) | |
1571 | * but don't global enable until zoran_open() | |
1572 | */ | |
1573 | zr36057_init_vfe(zr); | |
1da177e4 LT |
1574 | |
1575 | zr36057_enable_jpg(zr, BUZ_MODE_IDLE); | |
1576 | ||
1577 | btwrite(IRQ_MASK, ZR36057_ISR); // Clears interrupts | |
1578 | } | |
1579 | ||
1580 | void | |
1581 | zr36057_restart (struct zoran *zr) | |
1582 | { | |
1583 | btwrite(0, ZR36057_SPGPPCR); | |
1584 | mdelay(1); | |
1585 | btor(ZR36057_SPGPPCR_SoftReset, ZR36057_SPGPPCR); | |
1586 | mdelay(1); | |
1587 | ||
1588 | /* assert P_Reset */ | |
1589 | btwrite(0, ZR36057_JPC); | |
1590 | /* set up GPIO direction - all output */ | |
1591 | btwrite(ZR36057_SPGPPCR_SoftReset | 0, ZR36057_SPGPPCR); | |
1592 | ||
1593 | /* set up GPIO pins and guest bus timing */ | |
1594 | btwrite((0x81 << 24) | 0x8888, ZR36057_GPPGCR1); | |
1595 | } | |
1596 | ||
1597 | /* | |
1598 | * initialize video front end | |
1599 | */ | |
1600 | ||
1601 | static void | |
1602 | zr36057_init_vfe (struct zoran *zr) | |
1603 | { | |
1604 | u32 reg; | |
1605 | ||
1606 | reg = btread(ZR36057_VFESPFR); | |
1607 | reg |= ZR36057_VFESPFR_LittleEndian; | |
1608 | reg &= ~ZR36057_VFESPFR_VCLKPol; | |
1609 | reg |= ZR36057_VFESPFR_ExtFl; | |
1610 | reg |= ZR36057_VFESPFR_TopField; | |
1611 | btwrite(reg, ZR36057_VFESPFR); | |
1612 | reg = btread(ZR36057_VDCR); | |
1613 | if (pci_pci_problems & PCIPCI_TRITON) | |
1614 | // || zr->revision < 1) // Revision 1 has also Triton support | |
1615 | reg &= ~ZR36057_VDCR_Triton; | |
1616 | else | |
1617 | reg |= ZR36057_VDCR_Triton; | |
1618 | btwrite(reg, ZR36057_VDCR); | |
1619 | } |