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/...) 7 * 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 26 #include <linux/types.h> 27 #include <linux/kernel.h> 28 #include <linux/module.h> 29 #include <linux/vmalloc.h> 30 #include <linux/ktime.h> 31 #include <linux/sched/signal.h> 32 33 #include <linux/interrupt.h> 34 #include <linux/proc_fs.h> 35 #include <linux/i2c.h> 36 #include <linux/i2c-algo-bit.h> 37 #include <linux/videodev2.h> 38 #include <media/v4l2-common.h> 39 #include <linux/spinlock.h> 40 #include <linux/sem.h> 41 42 #include <linux/pci.h> 43 #include <linux/delay.h> 44 #include <linux/wait.h> 45 46 #include <asm/byteorder.h> 47 #include <asm/io.h> 48 49 #include "videocodec.h" 50 #include "zoran.h" 51 #include "zoran_device.h" 52 #include "zoran_card.h" 53 54 #define IRQ_MASK ( ZR36057_ISR_GIRQ0 | \ 55 ZR36057_ISR_GIRQ1 | \ 56 ZR36057_ISR_JPEGRepIRQ ) 57 58 static bool lml33dpath; /* default = 0 59 * 1 will use digital path in capture 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 68 module_param(lml33dpath, bool, 0644); 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 { 166 if (zr36067_debug > 2) { 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 } 172 173 printk(KERN_INFO "%s: Guests: %*ph\n", 174 ZR_DEVNAME(zr), 8, guest); 175 } 176 } 177 178 void 179 detect_guest_activity (struct zoran *zr) 180 { 181 int timeout, i, j, res, guest[8], guest0[8], change[8][3]; 182 ktime_t t0, t1; 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; 193 t0 = ktime_get(); 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]) { 200 t1 = ktime_get(); 201 change[j][0] = ktime_to_us(ktime_sub(t1, t0)); 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 } 212 213 printk(KERN_INFO "%s: Guests: %*ph\n", ZR_DEVNAME(zr), 8, guest0); 214 215 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 { 233 GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_SLEEP], !sleep); 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 { 260 GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_RESET], 0); 261 udelay(2); 262 GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_RESET], 1); 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: 296 if ((zr->norm & V4L2_STD_NTSC) || 297 (zr->card.type == LML33R10 && 298 (zr->norm & V4L2_STD_PAL))) 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); 338 339 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; 351 X = DIV_ROUND_UP(VidWinWid * 64, tvn->Wa); 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; 377 Y = DIV_ROUND_UP(VidWinHt * 64 * 2, tvn->Ha); 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); 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 */ 402 if (!(zr->norm & V4L2_STD_NTSC)) 403 reg |= ZR36057_VFESPFR_ExtFl; // NEEDED!!!!!!! Wolfgang 404 reg |= ZR36057_VFESPFR_TopField; 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 } 412 reg |= format->vfespfr; 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 */ 429 /* RJ: since this makes only sense on the screen, we use 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. 469 * This should be already checked before the call to this routine. 470 * All error messages are internal driver checking only! */ 471 472 /* video display top and bottom registers */ 473 reg = (long) zr->vbuf_base + 474 zr->overlay_settings.x * 475 ((zr->overlay_settings.format->depth + 7) / 8) + 476 zr->overlay_settings.y * 477 zr->vbuf_bytesperline; 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) 485 reg += zr->vbuf_bytesperline; 486 btwrite(reg, ZR36057_VDBR); 487 488 /* video stride, status, and frame grab register */ 489 reg = zr->vbuf_bytesperline - 490 zr->overlay_settings.width * 491 ((zr->overlay_settings.format->depth + 7) / 8); 492 if (zr->overlay_settings.height > BUZ_MAX_HEIGHT / 2) 493 reg += zr->vbuf_bytesperline; 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 */ 519 520 void write_overlay_mask(struct zoran_fh *fh, struct v4l2_clip *vp, int count) 521 { 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; 527 528 /* fill mask with one bits */ 529 memset(fh->overlay_mask, ~0, mask_line_size * 4 * BUZ_MAX_HEIGHT); 530 531 for (i = 0; i < count; ++i) { 532 /* pick up local copy of clip */ 533 x = vp[i].c.left; 534 y = vp[i].c.top; 535 width = vp[i].c.width; 536 height = vp[i].c.height; 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) { 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) 590 dprintk(1, 591 KERN_WARNING 592 "%s: zr36057_set_memgrab(1) with SnapShot on!?\n", 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 { 609 /* switch off VSync interrupts */ 610 btand(~zr->card.vsync_int, ZR36057_ICR); // SW 611 612 zr->v4l_memgrab_active = 0; 613 zr->v4l_grab_frame = NO_GRAB_ACTIVE; 614 615 /* 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 { 657 GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_FRAME], val); 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: 667 if (!lml33dpath) 668 GPIO(zr, 5, val); 669 else 670 GPIO(zr, 5, 1); 671 break; 672 default: 673 GPIO(zr, zr->card.gpio[ZR_GPIO_VID_DIR], 674 zr->card.gpio_pol[ZR_GPIO_VID_DIR] ? !val : val); 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 757 btand(~ZR36057_VFEHCR_HSPol, ZR36057_VFEHCR); 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 + 762 tvn->HStart + 4) << ZR36057_FHAP_NAX) | 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) { 815 printk(KERN_CONT " FD:%d", res); 816 } 817 if ((res = zr->intr_counter_GIRQ1) != 0) { 818 printk(KERN_CONT " GIRQ1:%d", res); 819 noerr++; 820 } 821 if ((res = zr->intr_counter_GIRQ0) != 0) { 822 printk(KERN_CONT " GIRQ0:%d", res); 823 noerr++; 824 } 825 if ((res = zr->intr_counter_CodRepIRQ) != 0) { 826 printk(KERN_CONT " CodRepIRQ:%d", res); 827 noerr++; 828 } 829 if ((res = zr->intr_counter_JPEGRepIRQ) != 0) { 830 printk(KERN_CONT " JPEGRepIRQ:%d", res); 831 noerr++; 832 } 833 if (zr->JPEG_max_missed) { 834 printk(KERN_CONT " JPEG delays: max=%d min=%d", zr->JPEG_max_missed, 835 zr->JPEG_min_missed); 836 } 837 if (zr->END_event_missed) { 838 printk(KERN_CONT " ENDs missed: %d", zr->END_event_missed); 839 } 840 //if (zr->jpg_queued_num) { 841 printk(KERN_CONT " queue_state=%ld/%ld/%ld/%ld", zr->jpg_que_tail, 842 zr->jpg_dma_tail, zr->jpg_dma_head, zr->jpg_que_head); 843 //} 844 if (!noerr) { 845 printk(KERN_CONT ": no interrupts detected."); 846 } 847 printk(KERN_CONT "\n"); 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 } 895 896 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 { 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); 975 decoder_call(zr, video, s_stream, 1); 976 encoder_call(zr, video, s_routing, 0, 0, 0); 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 */ 1022 decoder_call(zr, video, s_stream, 0); 1023 set_videobus_dir(zr, 1); 1024 encoder_call(zr, video, s_routing, 1, 0, 0); 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 1068 decoder_call(zr, video, s_stream, 1); 1069 encoder_call(zr, video, s_routing, 0, 0, 0); 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] = 1100 cpu_to_le32(zr->jpg_buffers.buffer[frame].jpg.frag_tab_bus); 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] = 1108 cpu_to_le32(zr->jpg_buffers.buffer[frame].jpg.frag_tab_bus); 1109 zr->stat_com[i + 1] = 1110 cpu_to_le32(zr->jpg_buffers.buffer[frame].jpg.frag_tab_bus); 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; 1130 struct zoran_buffer *buffer; 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]; 1154 v4l2_get_timestamp(&buffer->bs.timestamp); 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 1176 static void zoran_restart(struct zoran *zr) 1177 { 1178 /* Now the stat_comm buffer is ready for restart */ 1179 unsigned int status = 0; 1180 int mode; 1181 1182 if (zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) { 1183 decoder_call(zr, video, g_input_status, &status); 1184 mode = CODEC_DO_COMPRESSION; 1185 } else { 1186 status = V4L2_IN_ST_NO_SIGNAL; 1187 mode = CODEC_DO_EXPANSION; 1188 } 1189 if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS || 1190 !(status & V4L2_IN_ST_NO_SIGNAL)) { 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 1207 static void 1208 error_handler (struct zoran *zr, 1209 u32 astat, 1210 u32 stat) 1211 { 1212 int i; 1213 1214 /* This is JPEG error handling part */ 1215 if (zr->codec_mode != BUZ_MODE_MOTION_COMPRESS && 1216 zr->codec_mode != BUZ_MODE_MOTION_DECOMPRESS) { 1217 return; 1218 } 1219 1220 if ((stat & 1) == 0 && 1221 zr->codec_mode == BUZ_MODE_MOTION_COMPRESS && 1222 zr->jpg_dma_tail - zr->jpg_que_tail >= zr->jpg_buffers.num_buffers) { 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 1231 if (zr->JPEG_error == 1) { 1232 zoran_restart(zr); 1233 return; 1234 } 1235 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; 1263 int j; 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++) { 1275 if (le32_to_cpu(zr->stat_com[j]) == zr->jpg_buffers.buffer[i].jpg.frag_tab_bus) 1276 printk(KERN_CONT "% d->%d", j, i); 1277 } 1278 } 1279 printk(KERN_CONT "\n"); 1280 } 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)); 1311 1312 for (j = 0; j < BUZ_NUM_STAT_COM; j++) 1313 zr->stat_com[j] = bus_addr[(i + j) & BUZ_MASK_STAT_COM]; 1314 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); 1321 } 1322 1323 irqreturn_t 1324 zoran_irq (int irq, 1325 void *dev_id) 1326 { 1327 u32 stat, astat; 1328 int count; 1329 struct zoran *zr; 1330 unsigned long flags; 1331 1332 zr = dev_id; 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) { 1378 /* A lot more checks should be here ... */ 1379 if ((btread(ZR36057_VSSFGR) & ZR36057_VSSFGR_SnapShot) == 0) 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 */ 1387 if ((btread(ZR36057_VSSFGR) & ZR36057_VSSFGR_FrameGrab) == 0) { 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; 1392 v4l2_get_timestamp(&zr->v4l_buffers.buffer[zr->v4l_grab_frame].bs.timestamp); 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) { 1405 int frame = zr->v4l_pend[zr->v4l_pend_tail & V4L_MASK_FRAME]; 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 1414 reg = zr->v4l_buffers.buffer[frame].v4l.fbuffer_bus; 1415 btwrite(reg, ZR36057_VDTR); 1416 if (zr->v4l_settings.height > BUZ_MAX_HEIGHT / 2) 1417 reg += zr->v4l_settings.bytesperline; 1418 btwrite(reg, ZR36057_VDBR); 1419 1420 /* video stride, status, and frame grab register */ 1421 reg = 0; 1422 if (zr->v4l_settings.height > BUZ_MAX_HEIGHT / 2) 1423 reg += zr->v4l_settings.bytesperline; 1424 reg = (reg << ZR36057_VSSFGR_DispStride); 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++; 1442 IDEBUG(printk(KERN_DEBUG "%s: ZR36057_ISR_CodRepIRQ\n", 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) 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)) { 1453 char sv[BUZ_NUM_STAT_COM + 1]; 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 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; 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 } 1480 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])); 1489 } 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); 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) && 1506 (zr->frame_num && (zr->JPEG_missed > zr->jpg_settings.field_per_buff)))) { 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 { 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 1556 decoder_call(zr, core, init, 0); 1557 decoder_call(zr, video, s_std, zr->norm); 1558 decoder_call(zr, video, s_routing, 1559 zr->card.input[zr->input].muxsel, 0, 0); 1560 1561 encoder_call(zr, core, init, 0); 1562 encoder_call(zr, video, s_std_output, zr->norm); 1563 encoder_call(zr, video, s_routing, 0, 0, 0); 1564 1565 /* toggle JPEG codec sleep to sync PLL */ 1566 jpeg_codec_sleep(zr, 1); 1567 jpeg_codec_sleep(zr, 0); 1568 1569 /* 1570 * set individual interrupt enables (without GIRQ1) 1571 * but don't global enable until zoran_open() 1572 */ 1573 zr36057_init_vfe(zr); 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 } 1620