Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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/...) |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 7 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8 | * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx> |
| 9 | * |
| 10 | * Currently maintained by: |
| 11 | * Ronald Bultje <rbultje@ronald.bitfreak.net> |
| 12 | * Laurent Pinchart <laurent.pinchart@skynet.be> |
| 13 | * Mailinglist <mjpeg-users@lists.sf.net> |
| 14 | * |
| 15 | * This program is free software; you can redistribute it and/or modify |
| 16 | * it under the terms of the GNU General Public License as published by |
| 17 | * the Free Software Foundation; either version 2 of the License, or |
| 18 | * (at your option) any later version. |
| 19 | * |
| 20 | * This program is distributed in the hope that it will be useful, |
| 21 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 22 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 23 | * GNU General Public License for more details. |
| 24 | * |
| 25 | * You should have received a copy of the GNU General Public License |
| 26 | * along with this program; if not, write to the Free Software |
| 27 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 28 | */ |
| 29 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | #include <linux/types.h> |
| 31 | #include <linux/kernel.h> |
| 32 | #include <linux/module.h> |
| 33 | #include <linux/vmalloc.h> |
| 34 | #include <linux/byteorder/generic.h> |
| 35 | |
| 36 | #include <linux/interrupt.h> |
| 37 | #include <linux/proc_fs.h> |
| 38 | #include <linux/i2c.h> |
| 39 | #include <linux/i2c-algo-bit.h> |
| 40 | #include <linux/videodev.h> |
| 41 | #include <linux/spinlock.h> |
| 42 | #include <linux/sem.h> |
| 43 | |
| 44 | #include <linux/pci.h> |
| 45 | #include <linux/video_decoder.h> |
| 46 | #include <linux/video_encoder.h> |
| 47 | #include <linux/delay.h> |
| 48 | #include <linux/wait.h> |
| 49 | |
| 50 | #include <asm/io.h> |
| 51 | |
| 52 | #include "videocodec.h" |
| 53 | #include "zoran.h" |
| 54 | #include "zoran_device.h" |
Jean Delvare | 18b548c | 2007-07-17 18:29:41 -0300 | [diff] [blame] | 55 | #include "zoran_card.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | |
| 57 | #define IRQ_MASK ( ZR36057_ISR_GIRQ0 | \ |
| 58 | ZR36057_ISR_GIRQ1 | \ |
| 59 | ZR36057_ISR_JPEGRepIRQ ) |
| 60 | |
| 61 | extern const struct zoran_format zoran_formats[]; |
| 62 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 63 | static int lml33dpath = 0; /* 1 will use digital path in capture |
| 64 | * mode instead of analog. It can be |
| 65 | * used for picture adjustments using |
| 66 | * tool like xawtv while watching image |
| 67 | * on TV monitor connected to the output. |
| 68 | * However, due to absence of 75 Ohm |
| 69 | * load on Bt819 input, there will be |
| 70 | * some image imperfections */ |
| 71 | |
Trent Piepho | 60e3cac | 2007-07-17 18:29:42 -0300 | [diff] [blame] | 72 | module_param(lml33dpath, bool, 0644); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | MODULE_PARM_DESC(lml33dpath, |
| 74 | "Use digital path capture mode (on LML33 cards)"); |
| 75 | |
| 76 | static void |
| 77 | zr36057_init_vfe (struct zoran *zr); |
| 78 | |
| 79 | /* |
| 80 | * General Purpose I/O and Guest bus access |
| 81 | */ |
| 82 | |
| 83 | /* |
| 84 | * This is a bit tricky. When a board lacks a GPIO function, the corresponding |
| 85 | * GPIO bit number in the card_info structure is set to 0. |
| 86 | */ |
| 87 | |
| 88 | void |
| 89 | GPIO (struct zoran *zr, |
| 90 | int bit, |
| 91 | unsigned int value) |
| 92 | { |
| 93 | u32 reg; |
| 94 | u32 mask; |
| 95 | |
| 96 | /* Make sure the bit number is legal |
| 97 | * A bit number of -1 (lacking) gives a mask of 0, |
| 98 | * making it harmless */ |
| 99 | mask = (1 << (24 + bit)) & 0xff000000; |
| 100 | reg = btread(ZR36057_GPPGCR1) & ~mask; |
| 101 | if (value) { |
| 102 | reg |= mask; |
| 103 | } |
| 104 | btwrite(reg, ZR36057_GPPGCR1); |
| 105 | udelay(1); |
| 106 | } |
| 107 | |
| 108 | /* |
| 109 | * Wait til post office is no longer busy |
| 110 | */ |
| 111 | |
| 112 | int |
| 113 | post_office_wait (struct zoran *zr) |
| 114 | { |
| 115 | u32 por; |
| 116 | |
| 117 | // while (((por = btread(ZR36057_POR)) & (ZR36057_POR_POPen | ZR36057_POR_POTime)) == ZR36057_POR_POPen) { |
| 118 | while ((por = btread(ZR36057_POR)) & ZR36057_POR_POPen) { |
| 119 | /* wait for something to happen */ |
| 120 | } |
| 121 | if ((por & ZR36057_POR_POTime) && !zr->card.gws_not_connected) { |
| 122 | /* In LML33/BUZ \GWS line is not connected, so it has always timeout set */ |
| 123 | dprintk(1, KERN_INFO "%s: pop timeout %08x\n", ZR_DEVNAME(zr), |
| 124 | por); |
| 125 | return -1; |
| 126 | } |
| 127 | |
| 128 | return 0; |
| 129 | } |
| 130 | |
| 131 | int |
| 132 | post_office_write (struct zoran *zr, |
| 133 | unsigned int guest, |
| 134 | unsigned int reg, |
| 135 | unsigned int value) |
| 136 | { |
| 137 | u32 por; |
| 138 | |
| 139 | por = |
| 140 | ZR36057_POR_PODir | ZR36057_POR_POTime | ((guest & 7) << 20) | |
| 141 | ((reg & 7) << 16) | (value & 0xFF); |
| 142 | btwrite(por, ZR36057_POR); |
| 143 | |
| 144 | return post_office_wait(zr); |
| 145 | } |
| 146 | |
| 147 | int |
| 148 | post_office_read (struct zoran *zr, |
| 149 | unsigned int guest, |
| 150 | unsigned int reg) |
| 151 | { |
| 152 | u32 por; |
| 153 | |
| 154 | por = ZR36057_POR_POTime | ((guest & 7) << 20) | ((reg & 7) << 16); |
| 155 | btwrite(por, ZR36057_POR); |
| 156 | if (post_office_wait(zr) < 0) { |
| 157 | return -1; |
| 158 | } |
| 159 | |
| 160 | return btread(ZR36057_POR) & 0xFF; |
| 161 | } |
| 162 | |
| 163 | /* |
| 164 | * detect guests |
| 165 | */ |
| 166 | |
| 167 | static void |
| 168 | dump_guests (struct zoran *zr) |
| 169 | { |
Jean Delvare | 18b548c | 2007-07-17 18:29:41 -0300 | [diff] [blame] | 170 | if (zr36067_debug > 2) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 171 | int i, guest[8]; |
| 172 | |
| 173 | for (i = 1; i < 8; i++) { // Don't read jpeg codec here |
| 174 | guest[i] = post_office_read(zr, i, 0); |
| 175 | } |
| 176 | |
| 177 | printk(KERN_INFO "%s: Guests:", ZR_DEVNAME(zr)); |
| 178 | |
| 179 | for (i = 1; i < 8; i++) { |
| 180 | printk(" 0x%02x", guest[i]); |
| 181 | } |
| 182 | printk("\n"); |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | static inline unsigned long |
| 187 | get_time (void) |
| 188 | { |
| 189 | struct timeval tv; |
| 190 | |
| 191 | do_gettimeofday(&tv); |
| 192 | return (1000000 * tv.tv_sec + tv.tv_usec); |
| 193 | } |
| 194 | |
| 195 | void |
| 196 | detect_guest_activity (struct zoran *zr) |
| 197 | { |
| 198 | int timeout, i, j, res, guest[8], guest0[8], change[8][3]; |
| 199 | unsigned long t0, t1; |
| 200 | |
| 201 | dump_guests(zr); |
| 202 | printk(KERN_INFO "%s: Detecting guests activity, please wait...\n", |
| 203 | ZR_DEVNAME(zr)); |
| 204 | for (i = 1; i < 8; i++) { // Don't read jpeg codec here |
| 205 | guest0[i] = guest[i] = post_office_read(zr, i, 0); |
| 206 | } |
| 207 | |
| 208 | timeout = 0; |
| 209 | j = 0; |
| 210 | t0 = get_time(); |
| 211 | while (timeout < 10000) { |
| 212 | udelay(10); |
| 213 | timeout++; |
| 214 | for (i = 1; (i < 8) && (j < 8); i++) { |
| 215 | res = post_office_read(zr, i, 0); |
| 216 | if (res != guest[i]) { |
| 217 | t1 = get_time(); |
| 218 | change[j][0] = (t1 - t0); |
| 219 | t0 = t1; |
| 220 | change[j][1] = i; |
| 221 | change[j][2] = res; |
| 222 | j++; |
| 223 | guest[i] = res; |
| 224 | } |
| 225 | } |
| 226 | if (j >= 8) |
| 227 | break; |
| 228 | } |
| 229 | printk(KERN_INFO "%s: Guests:", ZR_DEVNAME(zr)); |
| 230 | |
| 231 | for (i = 1; i < 8; i++) { |
| 232 | printk(" 0x%02x", guest0[i]); |
| 233 | } |
| 234 | printk("\n"); |
| 235 | if (j == 0) { |
| 236 | printk(KERN_INFO "%s: No activity detected.\n", ZR_DEVNAME(zr)); |
| 237 | return; |
| 238 | } |
| 239 | for (i = 0; i < j; i++) { |
| 240 | printk(KERN_INFO "%s: %6d: %d => 0x%02x\n", ZR_DEVNAME(zr), |
| 241 | change[i][0], change[i][1], change[i][2]); |
| 242 | } |
| 243 | } |
| 244 | |
| 245 | /* |
| 246 | * JPEG Codec access |
| 247 | */ |
| 248 | |
| 249 | void |
| 250 | jpeg_codec_sleep (struct zoran *zr, |
| 251 | int sleep) |
| 252 | { |
| 253 | GPIO(zr, zr->card.gpio[GPIO_JPEG_SLEEP], !sleep); |
| 254 | if (!sleep) { |
| 255 | dprintk(3, |
| 256 | KERN_DEBUG |
| 257 | "%s: jpeg_codec_sleep() - wake GPIO=0x%08x\n", |
| 258 | ZR_DEVNAME(zr), btread(ZR36057_GPPGCR1)); |
| 259 | udelay(500); |
| 260 | } else { |
| 261 | dprintk(3, |
| 262 | KERN_DEBUG |
| 263 | "%s: jpeg_codec_sleep() - sleep GPIO=0x%08x\n", |
| 264 | ZR_DEVNAME(zr), btread(ZR36057_GPPGCR1)); |
| 265 | udelay(2); |
| 266 | } |
| 267 | } |
| 268 | |
| 269 | int |
| 270 | jpeg_codec_reset (struct zoran *zr) |
| 271 | { |
| 272 | /* Take the codec out of sleep */ |
| 273 | jpeg_codec_sleep(zr, 0); |
| 274 | |
| 275 | if (zr->card.gpcs[GPCS_JPEG_RESET] != 0xff) { |
| 276 | post_office_write(zr, zr->card.gpcs[GPCS_JPEG_RESET], 0, |
| 277 | 0); |
| 278 | udelay(2); |
| 279 | } else { |
| 280 | GPIO(zr, zr->card.gpio[GPIO_JPEG_RESET], 0); |
| 281 | udelay(2); |
| 282 | GPIO(zr, zr->card.gpio[GPIO_JPEG_RESET], 1); |
| 283 | udelay(2); |
| 284 | } |
| 285 | |
| 286 | return 0; |
| 287 | } |
| 288 | |
| 289 | /* |
| 290 | * Set the registers for the size we have specified. Don't bother |
| 291 | * trying to understand this without the ZR36057 manual in front of |
| 292 | * you [AC]. |
| 293 | * |
| 294 | * PS: The manual is free for download in .pdf format from |
| 295 | * www.zoran.com - nicely done those folks. |
| 296 | */ |
| 297 | |
| 298 | static void |
| 299 | zr36057_adjust_vfe (struct zoran *zr, |
| 300 | enum zoran_codec_mode mode) |
| 301 | { |
| 302 | u32 reg; |
| 303 | |
| 304 | switch (mode) { |
| 305 | case BUZ_MODE_MOTION_DECOMPRESS: |
| 306 | btand(~ZR36057_VFESPFR_ExtFl, ZR36057_VFESPFR); |
| 307 | reg = btread(ZR36057_VFEHCR); |
| 308 | if ((reg & (1 << 10)) && zr->card.type != LML33R10) { |
| 309 | reg += ((1 << 10) | 1); |
| 310 | } |
| 311 | btwrite(reg, ZR36057_VFEHCR); |
| 312 | break; |
| 313 | case BUZ_MODE_MOTION_COMPRESS: |
| 314 | case BUZ_MODE_IDLE: |
| 315 | default: |
| 316 | if (zr->norm == VIDEO_MODE_NTSC || |
| 317 | (zr->card.type == LML33R10 && |
| 318 | zr->norm == VIDEO_MODE_PAL)) |
| 319 | btand(~ZR36057_VFESPFR_ExtFl, ZR36057_VFESPFR); |
| 320 | else |
| 321 | btor(ZR36057_VFESPFR_ExtFl, ZR36057_VFESPFR); |
| 322 | reg = btread(ZR36057_VFEHCR); |
| 323 | if (!(reg & (1 << 10)) && zr->card.type != LML33R10) { |
| 324 | reg -= ((1 << 10) | 1); |
| 325 | } |
| 326 | btwrite(reg, ZR36057_VFEHCR); |
| 327 | break; |
| 328 | } |
| 329 | } |
| 330 | |
| 331 | /* |
| 332 | * set geometry |
| 333 | */ |
| 334 | |
| 335 | static void |
| 336 | zr36057_set_vfe (struct zoran *zr, |
| 337 | int video_width, |
| 338 | int video_height, |
| 339 | const struct zoran_format *format) |
| 340 | { |
| 341 | struct tvnorm *tvn; |
| 342 | unsigned HStart, HEnd, VStart, VEnd; |
| 343 | unsigned DispMode; |
| 344 | unsigned VidWinWid, VidWinHt; |
| 345 | unsigned hcrop1, hcrop2, vcrop1, vcrop2; |
| 346 | unsigned Wa, We, Ha, He; |
| 347 | unsigned X, Y, HorDcm, VerDcm; |
| 348 | u32 reg; |
| 349 | unsigned mask_line_size; |
| 350 | |
| 351 | tvn = zr->timing; |
| 352 | |
| 353 | Wa = tvn->Wa; |
| 354 | Ha = tvn->Ha; |
| 355 | |
| 356 | dprintk(2, KERN_INFO "%s: set_vfe() - width = %d, height = %d\n", |
| 357 | ZR_DEVNAME(zr), video_width, video_height); |
| 358 | |
| 359 | if (zr->norm != VIDEO_MODE_PAL && |
| 360 | zr->norm != VIDEO_MODE_NTSC && |
| 361 | zr->norm != VIDEO_MODE_SECAM) { |
| 362 | dprintk(1, |
| 363 | KERN_ERR "%s: set_vfe() - norm = %d not valid\n", |
| 364 | ZR_DEVNAME(zr), zr->norm); |
| 365 | return; |
| 366 | } |
| 367 | if (video_width < BUZ_MIN_WIDTH || |
| 368 | video_height < BUZ_MIN_HEIGHT || |
| 369 | video_width > Wa || video_height > Ha) { |
| 370 | dprintk(1, KERN_ERR "%s: set_vfe: w=%d h=%d not valid\n", |
| 371 | ZR_DEVNAME(zr), video_width, video_height); |
| 372 | return; |
| 373 | } |
| 374 | |
| 375 | /**** zr36057 ****/ |
| 376 | |
| 377 | /* horizontal */ |
| 378 | VidWinWid = video_width; |
| 379 | X = (VidWinWid * 64 + tvn->Wa - 1) / tvn->Wa; |
| 380 | We = (VidWinWid * 64) / X; |
| 381 | HorDcm = 64 - X; |
| 382 | hcrop1 = 2 * ((tvn->Wa - We) / 4); |
| 383 | hcrop2 = tvn->Wa - We - hcrop1; |
| 384 | HStart = tvn->HStart ? tvn->HStart : 1; |
| 385 | /* (Ronald) Original comment: |
| 386 | * "| 1 Doesn't have any effect, tested on both a DC10 and a DC10+" |
| 387 | * this is false. It inverses chroma values on the LML33R10 (so Cr |
| 388 | * suddenly is shown as Cb and reverse, really cool effect if you |
| 389 | * want to see blue faces, not useful otherwise). So don't use |1. |
| 390 | * However, the DC10 has '0' as HStart, but does need |1, so we |
| 391 | * use a dirty check... |
| 392 | */ |
| 393 | HEnd = HStart + tvn->Wa - 1; |
| 394 | HStart += hcrop1; |
| 395 | HEnd -= hcrop2; |
| 396 | reg = ((HStart & ZR36057_VFEHCR_Hmask) << ZR36057_VFEHCR_HStart) |
| 397 | | ((HEnd & ZR36057_VFEHCR_Hmask) << ZR36057_VFEHCR_HEnd); |
| 398 | if (zr->card.vfe_pol.hsync_pol) |
| 399 | reg |= ZR36057_VFEHCR_HSPol; |
| 400 | btwrite(reg, ZR36057_VFEHCR); |
| 401 | |
| 402 | /* Vertical */ |
| 403 | DispMode = !(video_height > BUZ_MAX_HEIGHT / 2); |
| 404 | VidWinHt = DispMode ? video_height : video_height / 2; |
| 405 | Y = (VidWinHt * 64 * 2 + tvn->Ha - 1) / tvn->Ha; |
| 406 | He = (VidWinHt * 64) / Y; |
| 407 | VerDcm = 64 - Y; |
| 408 | vcrop1 = (tvn->Ha / 2 - He) / 2; |
| 409 | vcrop2 = tvn->Ha / 2 - He - vcrop1; |
| 410 | VStart = tvn->VStart; |
| 411 | VEnd = VStart + tvn->Ha / 2; // - 1; FIXME SnapShot times out with -1 in 768*576 on the DC10 - LP |
| 412 | VStart += vcrop1; |
| 413 | VEnd -= vcrop2; |
| 414 | reg = ((VStart & ZR36057_VFEVCR_Vmask) << ZR36057_VFEVCR_VStart) |
| 415 | | ((VEnd & ZR36057_VFEVCR_Vmask) << ZR36057_VFEVCR_VEnd); |
| 416 | if (zr->card.vfe_pol.vsync_pol) |
| 417 | reg |= ZR36057_VFEVCR_VSPol; |
| 418 | btwrite(reg, ZR36057_VFEVCR); |
| 419 | |
| 420 | /* scaler and pixel format */ |
| 421 | reg = 0; |
| 422 | reg |= (HorDcm << ZR36057_VFESPFR_HorDcm); |
| 423 | reg |= (VerDcm << ZR36057_VFESPFR_VerDcm); |
| 424 | reg |= (DispMode << ZR36057_VFESPFR_DispMode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 425 | /* RJ: I don't know, why the following has to be the opposite |
| 426 | * of the corresponding ZR36060 setting, but only this way |
| 427 | * we get the correct colors when uncompressing to the screen */ |
| 428 | //reg |= ZR36057_VFESPFR_VCLKPol; /**/ |
| 429 | /* RJ: Don't know if that is needed for NTSC also */ |
| 430 | if (zr->norm != VIDEO_MODE_NTSC) |
| 431 | reg |= ZR36057_VFESPFR_ExtFl; // NEEDED!!!!!!! Wolfgang |
| 432 | reg |= ZR36057_VFESPFR_TopField; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 433 | if (HorDcm >= 48) { |
| 434 | reg |= 3 << ZR36057_VFESPFR_HFilter; /* 5 tap filter */ |
| 435 | } else if (HorDcm >= 32) { |
| 436 | reg |= 2 << ZR36057_VFESPFR_HFilter; /* 4 tap filter */ |
| 437 | } else if (HorDcm >= 16) { |
| 438 | reg |= 1 << ZR36057_VFESPFR_HFilter; /* 3 tap filter */ |
| 439 | } |
Trent Piepho | 603d6f2 | 2007-07-17 18:29:44 -0300 | [diff] [blame] | 440 | reg |= format->vfespfr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 441 | btwrite(reg, ZR36057_VFESPFR); |
| 442 | |
| 443 | /* display configuration */ |
| 444 | reg = (16 << ZR36057_VDCR_MinPix) |
| 445 | | (VidWinHt << ZR36057_VDCR_VidWinHt) |
| 446 | | (VidWinWid << ZR36057_VDCR_VidWinWid); |
| 447 | if (pci_pci_problems & PCIPCI_TRITON) |
| 448 | // || zr->revision < 1) // Revision 1 has also Triton support |
| 449 | reg &= ~ZR36057_VDCR_Triton; |
| 450 | else |
| 451 | reg |= ZR36057_VDCR_Triton; |
| 452 | btwrite(reg, ZR36057_VDCR); |
| 453 | |
| 454 | /* (Ronald) don't write this if overlay_mask = NULL */ |
| 455 | if (zr->overlay_mask) { |
| 456 | /* Write overlay clipping mask data, but don't enable overlay clipping */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 457 | /* RJ: since this makes only sense on the screen, we use |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 458 | * zr->overlay_settings.width instead of video_width */ |
| 459 | |
| 460 | mask_line_size = (BUZ_MAX_WIDTH + 31) / 32; |
| 461 | reg = virt_to_bus(zr->overlay_mask); |
| 462 | btwrite(reg, ZR36057_MMTR); |
| 463 | reg = virt_to_bus(zr->overlay_mask + mask_line_size); |
| 464 | btwrite(reg, ZR36057_MMBR); |
| 465 | reg = |
| 466 | mask_line_size - (zr->overlay_settings.width + |
| 467 | 31) / 32; |
| 468 | if (DispMode == 0) |
| 469 | reg += mask_line_size; |
| 470 | reg <<= ZR36057_OCR_MaskStride; |
| 471 | btwrite(reg, ZR36057_OCR); |
| 472 | } |
| 473 | |
| 474 | zr36057_adjust_vfe(zr, zr->codec_mode); |
| 475 | } |
| 476 | |
| 477 | /* |
| 478 | * Switch overlay on or off |
| 479 | */ |
| 480 | |
| 481 | void |
| 482 | zr36057_overlay (struct zoran *zr, |
| 483 | int on) |
| 484 | { |
| 485 | u32 reg; |
| 486 | |
| 487 | if (on) { |
| 488 | /* do the necessary settings ... */ |
| 489 | btand(~ZR36057_VDCR_VidEn, ZR36057_VDCR); /* switch it off first */ |
| 490 | |
| 491 | zr36057_set_vfe(zr, |
| 492 | zr->overlay_settings.width, |
| 493 | zr->overlay_settings.height, |
| 494 | zr->overlay_settings.format); |
| 495 | |
| 496 | /* Start and length of each line MUST be 4-byte aligned. |
| 497 | * This should be allready checked before the call to this routine. |
| 498 | * All error messages are internal driver checking only! */ |
| 499 | |
| 500 | /* video display top and bottom registers */ |
Mauro Carvalho Chehab | d614402 | 2006-05-19 13:08:09 -0300 | [diff] [blame] | 501 | reg = (long) zr->buffer.base + |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 502 | zr->overlay_settings.x * |
| 503 | ((zr->overlay_settings.format->depth + 7) / 8) + |
| 504 | zr->overlay_settings.y * |
| 505 | zr->buffer.bytesperline; |
| 506 | btwrite(reg, ZR36057_VDTR); |
| 507 | if (reg & 3) |
| 508 | dprintk(1, |
| 509 | KERN_ERR |
| 510 | "%s: zr36057_overlay() - video_address not aligned\n", |
| 511 | ZR_DEVNAME(zr)); |
| 512 | if (zr->overlay_settings.height > BUZ_MAX_HEIGHT / 2) |
| 513 | reg += zr->buffer.bytesperline; |
| 514 | btwrite(reg, ZR36057_VDBR); |
| 515 | |
| 516 | /* video stride, status, and frame grab register */ |
| 517 | reg = zr->buffer.bytesperline - |
| 518 | zr->overlay_settings.width * |
| 519 | ((zr->overlay_settings.format->depth + 7) / 8); |
| 520 | if (zr->overlay_settings.height > BUZ_MAX_HEIGHT / 2) |
| 521 | reg += zr->buffer.bytesperline; |
| 522 | if (reg & 3) |
| 523 | dprintk(1, |
| 524 | KERN_ERR |
| 525 | "%s: zr36057_overlay() - video_stride not aligned\n", |
| 526 | ZR_DEVNAME(zr)); |
| 527 | reg = (reg << ZR36057_VSSFGR_DispStride); |
| 528 | reg |= ZR36057_VSSFGR_VidOvf; /* clear overflow status */ |
| 529 | btwrite(reg, ZR36057_VSSFGR); |
| 530 | |
| 531 | /* Set overlay clipping */ |
| 532 | if (zr->overlay_settings.clipcount > 0) |
| 533 | btor(ZR36057_OCR_OvlEnable, ZR36057_OCR); |
| 534 | |
| 535 | /* ... and switch it on */ |
| 536 | btor(ZR36057_VDCR_VidEn, ZR36057_VDCR); |
| 537 | } else { |
| 538 | /* Switch it off */ |
| 539 | btand(~ZR36057_VDCR_VidEn, ZR36057_VDCR); |
| 540 | } |
| 541 | } |
| 542 | |
| 543 | /* |
| 544 | * The overlay mask has one bit for each pixel on a scan line, |
| 545 | * and the maximum window size is BUZ_MAX_WIDTH * BUZ_MAX_HEIGHT pixels. |
| 546 | */ |
| 547 | |
| 548 | void |
| 549 | write_overlay_mask (struct file *file, |
| 550 | struct video_clip *vp, |
| 551 | int count) |
| 552 | { |
| 553 | struct zoran_fh *fh = file->private_data; |
| 554 | struct zoran *zr = fh->zr; |
| 555 | unsigned mask_line_size = (BUZ_MAX_WIDTH + 31) / 32; |
| 556 | u32 *mask; |
| 557 | int x, y, width, height; |
| 558 | unsigned i, j, k; |
| 559 | u32 reg; |
| 560 | |
| 561 | /* fill mask with one bits */ |
| 562 | memset(fh->overlay_mask, ~0, mask_line_size * 4 * BUZ_MAX_HEIGHT); |
| 563 | reg = 0; |
| 564 | |
| 565 | for (i = 0; i < count; ++i) { |
| 566 | /* pick up local copy of clip */ |
| 567 | x = vp[i].x; |
| 568 | y = vp[i].y; |
| 569 | width = vp[i].width; |
| 570 | height = vp[i].height; |
| 571 | |
| 572 | /* trim clips that extend beyond the window */ |
| 573 | if (x < 0) { |
| 574 | width += x; |
| 575 | x = 0; |
| 576 | } |
| 577 | if (y < 0) { |
| 578 | height += y; |
| 579 | y = 0; |
| 580 | } |
| 581 | if (x + width > fh->overlay_settings.width) { |
| 582 | width = fh->overlay_settings.width - x; |
| 583 | } |
| 584 | if (y + height > fh->overlay_settings.height) { |
| 585 | height = fh->overlay_settings.height - y; |
| 586 | } |
| 587 | |
| 588 | /* ignore degenerate clips */ |
| 589 | if (height <= 0) { |
| 590 | continue; |
| 591 | } |
| 592 | if (width <= 0) { |
| 593 | continue; |
| 594 | } |
| 595 | |
| 596 | /* apply clip for each scan line */ |
| 597 | for (j = 0; j < height; ++j) { |
| 598 | /* reset bit for each pixel */ |
| 599 | /* this can be optimized later if need be */ |
| 600 | mask = fh->overlay_mask + (y + j) * mask_line_size; |
| 601 | for (k = 0; k < width; ++k) { |
| 602 | mask[(x + k) / 32] &= |
| 603 | ~((u32) 1 << (x + k) % 32); |
| 604 | } |
| 605 | } |
| 606 | } |
| 607 | } |
| 608 | |
| 609 | /* Enable/Disable uncompressed memory grabbing of the 36057 */ |
| 610 | |
| 611 | void |
| 612 | zr36057_set_memgrab (struct zoran *zr, |
| 613 | int mode) |
| 614 | { |
| 615 | if (mode) { |
Trent Piepho | 9896bbc | 2007-07-17 18:29:45 -0300 | [diff] [blame] | 616 | /* We only check SnapShot and not FrameGrab here. SnapShot==1 |
| 617 | * means a capture is already in progress, but FrameGrab==1 |
| 618 | * doesn't necessary mean that. It's more correct to say a 1 |
| 619 | * to 0 transition indicates a capture completed. If a |
| 620 | * capture is pending when capturing is tuned off, FrameGrab |
| 621 | * will be stuck at 1 until capturing is turned back on. |
| 622 | */ |
| 623 | if (btread(ZR36057_VSSFGR) & ZR36057_VSSFGR_SnapShot) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 624 | dprintk(1, |
| 625 | KERN_WARNING |
Trent Piepho | 9896bbc | 2007-07-17 18:29:45 -0300 | [diff] [blame] | 626 | "%s: zr36057_set_memgrab(1) with SnapShot on!?\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 627 | ZR_DEVNAME(zr)); |
| 628 | |
| 629 | /* switch on VSync interrupts */ |
| 630 | btwrite(IRQ_MASK, ZR36057_ISR); // Clear Interrupts |
| 631 | btor(zr->card.vsync_int, ZR36057_ICR); // SW |
| 632 | |
| 633 | /* enable SnapShot */ |
| 634 | btor(ZR36057_VSSFGR_SnapShot, ZR36057_VSSFGR); |
| 635 | |
| 636 | /* Set zr36057 video front end and enable video */ |
| 637 | zr36057_set_vfe(zr, zr->v4l_settings.width, |
| 638 | zr->v4l_settings.height, |
| 639 | zr->v4l_settings.format); |
| 640 | |
| 641 | zr->v4l_memgrab_active = 1; |
| 642 | } else { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 643 | /* switch off VSync interrupts */ |
| 644 | btand(~zr->card.vsync_int, ZR36057_ICR); // SW |
| 645 | |
Trent Piepho | 9896bbc | 2007-07-17 18:29:45 -0300 | [diff] [blame] | 646 | zr->v4l_memgrab_active = 0; |
| 647 | zr->v4l_grab_frame = NO_GRAB_ACTIVE; |
| 648 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 649 | /* reenable grabbing to screen if it was running */ |
| 650 | if (zr->v4l_overlay_active) { |
| 651 | zr36057_overlay(zr, 1); |
| 652 | } else { |
| 653 | btand(~ZR36057_VDCR_VidEn, ZR36057_VDCR); |
| 654 | btand(~ZR36057_VSSFGR_SnapShot, ZR36057_VSSFGR); |
| 655 | } |
| 656 | } |
| 657 | } |
| 658 | |
| 659 | int |
| 660 | wait_grab_pending (struct zoran *zr) |
| 661 | { |
| 662 | unsigned long flags; |
| 663 | |
| 664 | /* wait until all pending grabs are finished */ |
| 665 | |
| 666 | if (!zr->v4l_memgrab_active) |
| 667 | return 0; |
| 668 | |
| 669 | wait_event_interruptible(zr->v4l_capq, |
| 670 | (zr->v4l_pend_tail == zr->v4l_pend_head)); |
| 671 | if (signal_pending(current)) |
| 672 | return -ERESTARTSYS; |
| 673 | |
| 674 | spin_lock_irqsave(&zr->spinlock, flags); |
| 675 | zr36057_set_memgrab(zr, 0); |
| 676 | spin_unlock_irqrestore(&zr->spinlock, flags); |
| 677 | |
| 678 | return 0; |
| 679 | } |
| 680 | |
| 681 | /***************************************************************************** |
| 682 | * * |
| 683 | * Set up the Buz-specific MJPEG part * |
| 684 | * * |
| 685 | *****************************************************************************/ |
| 686 | |
| 687 | static inline void |
| 688 | set_frame (struct zoran *zr, |
| 689 | int val) |
| 690 | { |
| 691 | GPIO(zr, zr->card.gpio[GPIO_JPEG_FRAME], val); |
| 692 | } |
| 693 | |
| 694 | static void |
| 695 | set_videobus_dir (struct zoran *zr, |
| 696 | int val) |
| 697 | { |
| 698 | switch (zr->card.type) { |
| 699 | case LML33: |
| 700 | case LML33R10: |
| 701 | if (lml33dpath == 0) |
| 702 | GPIO(zr, 5, val); |
| 703 | else |
| 704 | GPIO(zr, 5, 1); |
| 705 | break; |
| 706 | default: |
| 707 | GPIO(zr, zr->card.gpio[GPIO_VID_DIR], |
| 708 | zr->card.gpio_pol[GPIO_VID_DIR] ? !val : val); |
| 709 | break; |
| 710 | } |
| 711 | } |
| 712 | |
| 713 | static void |
| 714 | init_jpeg_queue (struct zoran *zr) |
| 715 | { |
| 716 | int i; |
| 717 | |
| 718 | /* re-initialize DMA ring stuff */ |
| 719 | zr->jpg_que_head = 0; |
| 720 | zr->jpg_dma_head = 0; |
| 721 | zr->jpg_dma_tail = 0; |
| 722 | zr->jpg_que_tail = 0; |
| 723 | zr->jpg_seq_num = 0; |
| 724 | zr->JPEG_error = 0; |
| 725 | zr->num_errors = 0; |
| 726 | zr->jpg_err_seq = 0; |
| 727 | zr->jpg_err_shift = 0; |
| 728 | zr->jpg_queued_num = 0; |
| 729 | for (i = 0; i < zr->jpg_buffers.num_buffers; i++) { |
| 730 | zr->jpg_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */ |
| 731 | } |
| 732 | for (i = 0; i < BUZ_NUM_STAT_COM; i++) { |
| 733 | zr->stat_com[i] = cpu_to_le32(1); /* mark as unavailable to zr36057 */ |
| 734 | } |
| 735 | } |
| 736 | |
| 737 | static void |
| 738 | zr36057_set_jpg (struct zoran *zr, |
| 739 | enum zoran_codec_mode mode) |
| 740 | { |
| 741 | struct tvnorm *tvn; |
| 742 | u32 reg; |
| 743 | |
| 744 | tvn = zr->timing; |
| 745 | |
| 746 | /* assert P_Reset, disable code transfer, deassert Active */ |
| 747 | btwrite(0, ZR36057_JPC); |
| 748 | |
| 749 | /* MJPEG compression mode */ |
| 750 | switch (mode) { |
| 751 | |
| 752 | case BUZ_MODE_MOTION_COMPRESS: |
| 753 | default: |
| 754 | reg = ZR36057_JMC_MJPGCmpMode; |
| 755 | break; |
| 756 | |
| 757 | case BUZ_MODE_MOTION_DECOMPRESS: |
| 758 | reg = ZR36057_JMC_MJPGExpMode; |
| 759 | reg |= ZR36057_JMC_SyncMstr; |
| 760 | /* RJ: The following is experimental - improves the output to screen */ |
| 761 | //if(zr->jpg_settings.VFIFO_FB) reg |= ZR36057_JMC_VFIFO_FB; // No, it doesn't. SM |
| 762 | break; |
| 763 | |
| 764 | case BUZ_MODE_STILL_COMPRESS: |
| 765 | reg = ZR36057_JMC_JPGCmpMode; |
| 766 | break; |
| 767 | |
| 768 | case BUZ_MODE_STILL_DECOMPRESS: |
| 769 | reg = ZR36057_JMC_JPGExpMode; |
| 770 | break; |
| 771 | |
| 772 | } |
| 773 | reg |= ZR36057_JMC_JPG; |
| 774 | if (zr->jpg_settings.field_per_buff == 1) |
| 775 | reg |= ZR36057_JMC_Fld_per_buff; |
| 776 | btwrite(reg, ZR36057_JMC); |
| 777 | |
| 778 | /* vertical */ |
| 779 | btor(ZR36057_VFEVCR_VSPol, ZR36057_VFEVCR); |
| 780 | reg = (6 << ZR36057_VSP_VsyncSize) | |
| 781 | (tvn->Ht << ZR36057_VSP_FrmTot); |
| 782 | btwrite(reg, ZR36057_VSP); |
| 783 | reg = ((zr->jpg_settings.img_y + tvn->VStart) << ZR36057_FVAP_NAY) | |
| 784 | (zr->jpg_settings.img_height << ZR36057_FVAP_PAY); |
| 785 | btwrite(reg, ZR36057_FVAP); |
| 786 | |
| 787 | /* horizontal */ |
| 788 | if (zr->card.vfe_pol.hsync_pol) |
| 789 | btor(ZR36057_VFEHCR_HSPol, ZR36057_VFEHCR); |
| 790 | else |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 791 | btand(~ZR36057_VFEHCR_HSPol, ZR36057_VFEHCR); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 792 | reg = ((tvn->HSyncStart) << ZR36057_HSP_HsyncStart) | |
| 793 | (tvn->Wt << ZR36057_HSP_LineTot); |
| 794 | btwrite(reg, ZR36057_HSP); |
| 795 | reg = ((zr->jpg_settings.img_x + |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 796 | tvn->HStart + 4) << ZR36057_FHAP_NAX) | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 797 | (zr->jpg_settings.img_width << ZR36057_FHAP_PAX); |
| 798 | btwrite(reg, ZR36057_FHAP); |
| 799 | |
| 800 | /* field process parameters */ |
| 801 | if (zr->jpg_settings.odd_even) |
| 802 | reg = ZR36057_FPP_Odd_Even; |
| 803 | else |
| 804 | reg = 0; |
| 805 | |
| 806 | btwrite(reg, ZR36057_FPP); |
| 807 | |
| 808 | /* Set proper VCLK Polarity, else colors will be wrong during playback */ |
| 809 | //btor(ZR36057_VFESPFR_VCLKPol, ZR36057_VFESPFR); |
| 810 | |
| 811 | /* code base address */ |
| 812 | reg = virt_to_bus(zr->stat_com); |
| 813 | btwrite(reg, ZR36057_JCBA); |
| 814 | |
| 815 | /* FIFO threshold (FIFO is 160. double words) */ |
| 816 | /* NOTE: decimal values here */ |
| 817 | switch (mode) { |
| 818 | |
| 819 | case BUZ_MODE_STILL_COMPRESS: |
| 820 | case BUZ_MODE_MOTION_COMPRESS: |
| 821 | if (zr->card.type != BUZ) |
| 822 | reg = 140; |
| 823 | else |
| 824 | reg = 60; |
| 825 | break; |
| 826 | |
| 827 | case BUZ_MODE_STILL_DECOMPRESS: |
| 828 | case BUZ_MODE_MOTION_DECOMPRESS: |
| 829 | reg = 20; |
| 830 | break; |
| 831 | |
| 832 | default: |
| 833 | reg = 80; |
| 834 | break; |
| 835 | |
| 836 | } |
| 837 | btwrite(reg, ZR36057_JCFT); |
| 838 | zr36057_adjust_vfe(zr, mode); |
| 839 | |
| 840 | } |
| 841 | |
| 842 | void |
| 843 | print_interrupts (struct zoran *zr) |
| 844 | { |
| 845 | int res, noerr = 0; |
| 846 | |
| 847 | printk(KERN_INFO "%s: interrupts received:", ZR_DEVNAME(zr)); |
| 848 | if ((res = zr->field_counter) < -1 || res > 1) { |
| 849 | printk(" FD:%d", res); |
| 850 | } |
| 851 | if ((res = zr->intr_counter_GIRQ1) != 0) { |
| 852 | printk(" GIRQ1:%d", res); |
| 853 | noerr++; |
| 854 | } |
| 855 | if ((res = zr->intr_counter_GIRQ0) != 0) { |
| 856 | printk(" GIRQ0:%d", res); |
| 857 | noerr++; |
| 858 | } |
| 859 | if ((res = zr->intr_counter_CodRepIRQ) != 0) { |
| 860 | printk(" CodRepIRQ:%d", res); |
| 861 | noerr++; |
| 862 | } |
| 863 | if ((res = zr->intr_counter_JPEGRepIRQ) != 0) { |
| 864 | printk(" JPEGRepIRQ:%d", res); |
| 865 | noerr++; |
| 866 | } |
| 867 | if (zr->JPEG_max_missed) { |
| 868 | printk(" JPEG delays: max=%d min=%d", zr->JPEG_max_missed, |
| 869 | zr->JPEG_min_missed); |
| 870 | } |
| 871 | if (zr->END_event_missed) { |
| 872 | printk(" ENDs missed: %d", zr->END_event_missed); |
| 873 | } |
| 874 | //if (zr->jpg_queued_num) { |
| 875 | printk(" queue_state=%ld/%ld/%ld/%ld", zr->jpg_que_tail, |
| 876 | zr->jpg_dma_tail, zr->jpg_dma_head, zr->jpg_que_head); |
| 877 | //} |
| 878 | if (!noerr) { |
| 879 | printk(": no interrupts detected."); |
| 880 | } |
| 881 | printk("\n"); |
| 882 | } |
| 883 | |
| 884 | void |
| 885 | clear_interrupt_counters (struct zoran *zr) |
| 886 | { |
| 887 | zr->intr_counter_GIRQ1 = 0; |
| 888 | zr->intr_counter_GIRQ0 = 0; |
| 889 | zr->intr_counter_CodRepIRQ = 0; |
| 890 | zr->intr_counter_JPEGRepIRQ = 0; |
| 891 | zr->field_counter = 0; |
| 892 | zr->IRQ1_in = 0; |
| 893 | zr->IRQ1_out = 0; |
| 894 | zr->JPEG_in = 0; |
| 895 | zr->JPEG_out = 0; |
| 896 | zr->JPEG_0 = 0; |
| 897 | zr->JPEG_1 = 0; |
| 898 | zr->END_event_missed = 0; |
| 899 | zr->JPEG_missed = 0; |
| 900 | zr->JPEG_max_missed = 0; |
| 901 | zr->JPEG_min_missed = 0x7fffffff; |
| 902 | } |
| 903 | |
| 904 | static u32 |
| 905 | count_reset_interrupt (struct zoran *zr) |
| 906 | { |
| 907 | u32 isr; |
| 908 | |
| 909 | if ((isr = btread(ZR36057_ISR) & 0x78000000)) { |
| 910 | if (isr & ZR36057_ISR_GIRQ1) { |
| 911 | btwrite(ZR36057_ISR_GIRQ1, ZR36057_ISR); |
| 912 | zr->intr_counter_GIRQ1++; |
| 913 | } |
| 914 | if (isr & ZR36057_ISR_GIRQ0) { |
| 915 | btwrite(ZR36057_ISR_GIRQ0, ZR36057_ISR); |
| 916 | zr->intr_counter_GIRQ0++; |
| 917 | } |
| 918 | if (isr & ZR36057_ISR_CodRepIRQ) { |
| 919 | btwrite(ZR36057_ISR_CodRepIRQ, ZR36057_ISR); |
| 920 | zr->intr_counter_CodRepIRQ++; |
| 921 | } |
| 922 | if (isr & ZR36057_ISR_JPEGRepIRQ) { |
| 923 | btwrite(ZR36057_ISR_JPEGRepIRQ, ZR36057_ISR); |
| 924 | zr->intr_counter_JPEGRepIRQ++; |
| 925 | } |
| 926 | } |
| 927 | return isr; |
| 928 | } |
| 929 | |
| 930 | /* hack */ |
| 931 | extern void zr36016_write (struct videocodec *codec, |
| 932 | u16 reg, |
| 933 | u32 val); |
| 934 | |
| 935 | void |
| 936 | jpeg_start (struct zoran *zr) |
| 937 | { |
| 938 | int reg; |
| 939 | |
| 940 | zr->frame_num = 0; |
| 941 | |
| 942 | /* deassert P_reset, disable code transfer, deassert Active */ |
| 943 | btwrite(ZR36057_JPC_P_Reset, ZR36057_JPC); |
| 944 | /* stop flushing the internal code buffer */ |
| 945 | btand(~ZR36057_MCTCR_CFlush, ZR36057_MCTCR); |
| 946 | /* enable code transfer */ |
| 947 | btor(ZR36057_JPC_CodTrnsEn, ZR36057_JPC); |
| 948 | |
| 949 | /* clear IRQs */ |
| 950 | btwrite(IRQ_MASK, ZR36057_ISR); |
| 951 | /* enable the JPEG IRQs */ |
| 952 | btwrite(zr->card.jpeg_int | |
| 953 | ZR36057_ICR_JPEGRepIRQ | |
| 954 | ZR36057_ICR_IntPinEn, |
| 955 | ZR36057_ICR); |
| 956 | |
| 957 | set_frame(zr, 0); // \FRAME |
| 958 | |
| 959 | /* set the JPEG codec guest ID */ |
| 960 | reg = (zr->card.gpcs[1] << ZR36057_JCGI_JPEGuestID) | |
| 961 | (0 << ZR36057_JCGI_JPEGuestReg); |
| 962 | btwrite(reg, ZR36057_JCGI); |
| 963 | |
| 964 | if (zr->card.video_vfe == CODEC_TYPE_ZR36016 && |
| 965 | zr->card.video_codec == CODEC_TYPE_ZR36050) { |
| 966 | /* Enable processing on the ZR36016 */ |
| 967 | if (zr->vfe) |
| 968 | zr36016_write(zr->vfe, 0, 1); |
| 969 | |
| 970 | /* load the address of the GO register in the ZR36050 latch */ |
| 971 | post_office_write(zr, 0, 0, 0); |
| 972 | } |
| 973 | |
| 974 | /* assert Active */ |
| 975 | btor(ZR36057_JPC_Active, ZR36057_JPC); |
| 976 | |
| 977 | /* enable the Go generation */ |
| 978 | btor(ZR36057_JMC_Go_en, ZR36057_JMC); |
| 979 | udelay(30); |
| 980 | |
| 981 | set_frame(zr, 1); // /FRAME |
| 982 | |
| 983 | dprintk(3, KERN_DEBUG "%s: jpeg_start\n", ZR_DEVNAME(zr)); |
| 984 | } |
| 985 | |
| 986 | void |
| 987 | zr36057_enable_jpg (struct zoran *zr, |
| 988 | enum zoran_codec_mode mode) |
| 989 | { |
| 990 | static int zero = 0; |
| 991 | static int one = 1; |
| 992 | struct vfe_settings cap; |
| 993 | int field_size = |
| 994 | zr->jpg_buffers.buffer_size / zr->jpg_settings.field_per_buff; |
| 995 | |
| 996 | zr->codec_mode = mode; |
| 997 | |
| 998 | cap.x = zr->jpg_settings.img_x; |
| 999 | cap.y = zr->jpg_settings.img_y; |
| 1000 | cap.width = zr->jpg_settings.img_width; |
| 1001 | cap.height = zr->jpg_settings.img_height; |
| 1002 | cap.decimation = |
| 1003 | zr->jpg_settings.HorDcm | (zr->jpg_settings.VerDcm << 8); |
| 1004 | cap.quality = zr->jpg_settings.jpg_comp.quality; |
| 1005 | |
| 1006 | switch (mode) { |
| 1007 | |
| 1008 | case BUZ_MODE_MOTION_COMPRESS: { |
| 1009 | struct jpeg_app_marker app; |
| 1010 | struct jpeg_com_marker com; |
| 1011 | |
| 1012 | /* In motion compress mode, the decoder output must be enabled, and |
| 1013 | * the video bus direction set to input. |
| 1014 | */ |
| 1015 | set_videobus_dir(zr, 0); |
| 1016 | decoder_command(zr, DECODER_ENABLE_OUTPUT, &one); |
| 1017 | encoder_command(zr, ENCODER_SET_INPUT, &zero); |
| 1018 | |
| 1019 | /* Take the JPEG codec and the VFE out of sleep */ |
| 1020 | jpeg_codec_sleep(zr, 0); |
| 1021 | |
| 1022 | /* set JPEG app/com marker */ |
| 1023 | app.appn = zr->jpg_settings.jpg_comp.APPn; |
| 1024 | app.len = zr->jpg_settings.jpg_comp.APP_len; |
| 1025 | memcpy(app.data, zr->jpg_settings.jpg_comp.APP_data, 60); |
| 1026 | zr->codec->control(zr->codec, CODEC_S_JPEG_APP_DATA, |
| 1027 | sizeof(struct jpeg_app_marker), &app); |
| 1028 | |
| 1029 | com.len = zr->jpg_settings.jpg_comp.COM_len; |
| 1030 | memcpy(com.data, zr->jpg_settings.jpg_comp.COM_data, 60); |
| 1031 | zr->codec->control(zr->codec, CODEC_S_JPEG_COM_DATA, |
| 1032 | sizeof(struct jpeg_com_marker), &com); |
| 1033 | |
| 1034 | /* Setup the JPEG codec */ |
| 1035 | zr->codec->control(zr->codec, CODEC_S_JPEG_TDS_BYTE, |
| 1036 | sizeof(int), &field_size); |
| 1037 | zr->codec->set_video(zr->codec, zr->timing, &cap, |
| 1038 | &zr->card.vfe_pol); |
| 1039 | zr->codec->set_mode(zr->codec, CODEC_DO_COMPRESSION); |
| 1040 | |
| 1041 | /* Setup the VFE */ |
| 1042 | if (zr->vfe) { |
| 1043 | zr->vfe->control(zr->vfe, CODEC_S_JPEG_TDS_BYTE, |
| 1044 | sizeof(int), &field_size); |
| 1045 | zr->vfe->set_video(zr->vfe, zr->timing, &cap, |
| 1046 | &zr->card.vfe_pol); |
| 1047 | zr->vfe->set_mode(zr->vfe, CODEC_DO_COMPRESSION); |
| 1048 | } |
| 1049 | |
| 1050 | init_jpeg_queue(zr); |
| 1051 | zr36057_set_jpg(zr, mode); // \P_Reset, ... Video param, FIFO |
| 1052 | |
| 1053 | clear_interrupt_counters(zr); |
| 1054 | dprintk(2, KERN_INFO "%s: enable_jpg(MOTION_COMPRESS)\n", |
| 1055 | ZR_DEVNAME(zr)); |
| 1056 | break; |
| 1057 | } |
| 1058 | |
| 1059 | case BUZ_MODE_MOTION_DECOMPRESS: |
| 1060 | /* In motion decompression mode, the decoder output must be disabled, and |
| 1061 | * the video bus direction set to output. |
| 1062 | */ |
| 1063 | decoder_command(zr, DECODER_ENABLE_OUTPUT, &zero); |
| 1064 | set_videobus_dir(zr, 1); |
| 1065 | encoder_command(zr, ENCODER_SET_INPUT, &one); |
| 1066 | |
| 1067 | /* Take the JPEG codec and the VFE out of sleep */ |
| 1068 | jpeg_codec_sleep(zr, 0); |
| 1069 | /* Setup the VFE */ |
| 1070 | if (zr->vfe) { |
| 1071 | zr->vfe->set_video(zr->vfe, zr->timing, &cap, |
| 1072 | &zr->card.vfe_pol); |
| 1073 | zr->vfe->set_mode(zr->vfe, CODEC_DO_EXPANSION); |
| 1074 | } |
| 1075 | /* Setup the JPEG codec */ |
| 1076 | zr->codec->set_video(zr->codec, zr->timing, &cap, |
| 1077 | &zr->card.vfe_pol); |
| 1078 | zr->codec->set_mode(zr->codec, CODEC_DO_EXPANSION); |
| 1079 | |
| 1080 | init_jpeg_queue(zr); |
| 1081 | zr36057_set_jpg(zr, mode); // \P_Reset, ... Video param, FIFO |
| 1082 | |
| 1083 | clear_interrupt_counters(zr); |
| 1084 | dprintk(2, KERN_INFO "%s: enable_jpg(MOTION_DECOMPRESS)\n", |
| 1085 | ZR_DEVNAME(zr)); |
| 1086 | break; |
| 1087 | |
| 1088 | case BUZ_MODE_IDLE: |
| 1089 | default: |
| 1090 | /* shut down processing */ |
| 1091 | btand(~(zr->card.jpeg_int | ZR36057_ICR_JPEGRepIRQ), |
| 1092 | ZR36057_ICR); |
| 1093 | btwrite(zr->card.jpeg_int | ZR36057_ICR_JPEGRepIRQ, |
| 1094 | ZR36057_ISR); |
| 1095 | btand(~ZR36057_JMC_Go_en, ZR36057_JMC); // \Go_en |
| 1096 | |
| 1097 | msleep(50); |
| 1098 | |
| 1099 | set_videobus_dir(zr, 0); |
| 1100 | set_frame(zr, 1); // /FRAME |
| 1101 | btor(ZR36057_MCTCR_CFlush, ZR36057_MCTCR); // /CFlush |
| 1102 | btwrite(0, ZR36057_JPC); // \P_Reset,\CodTrnsEn,\Active |
| 1103 | btand(~ZR36057_JMC_VFIFO_FB, ZR36057_JMC); |
| 1104 | btand(~ZR36057_JMC_SyncMstr, ZR36057_JMC); |
| 1105 | jpeg_codec_reset(zr); |
| 1106 | jpeg_codec_sleep(zr, 1); |
| 1107 | zr36057_adjust_vfe(zr, mode); |
| 1108 | |
| 1109 | decoder_command(zr, DECODER_ENABLE_OUTPUT, &one); |
| 1110 | encoder_command(zr, ENCODER_SET_INPUT, &zero); |
| 1111 | |
| 1112 | dprintk(2, KERN_INFO "%s: enable_jpg(IDLE)\n", ZR_DEVNAME(zr)); |
| 1113 | break; |
| 1114 | |
| 1115 | } |
| 1116 | } |
| 1117 | |
| 1118 | /* when this is called the spinlock must be held */ |
| 1119 | void |
| 1120 | zoran_feed_stat_com (struct zoran *zr) |
| 1121 | { |
| 1122 | /* move frames from pending queue to DMA */ |
| 1123 | |
| 1124 | int frame, i, max_stat_com; |
| 1125 | |
| 1126 | max_stat_com = |
| 1127 | (zr->jpg_settings.TmpDcm == |
| 1128 | 1) ? BUZ_NUM_STAT_COM : (BUZ_NUM_STAT_COM >> 1); |
| 1129 | |
| 1130 | while ((zr->jpg_dma_head - zr->jpg_dma_tail) < max_stat_com && |
| 1131 | zr->jpg_dma_head < zr->jpg_que_head) { |
| 1132 | |
| 1133 | frame = zr->jpg_pend[zr->jpg_dma_head & BUZ_MASK_FRAME]; |
| 1134 | if (zr->jpg_settings.TmpDcm == 1) { |
| 1135 | /* fill 1 stat_com entry */ |
| 1136 | i = (zr->jpg_dma_head - |
| 1137 | zr->jpg_err_shift) & BUZ_MASK_STAT_COM; |
| 1138 | if (!(zr->stat_com[i] & cpu_to_le32(1))) |
| 1139 | break; |
| 1140 | zr->stat_com[i] = |
| 1141 | cpu_to_le32(zr->jpg_buffers.buffer[frame].frag_tab_bus); |
| 1142 | } else { |
| 1143 | /* fill 2 stat_com entries */ |
| 1144 | i = ((zr->jpg_dma_head - |
| 1145 | zr->jpg_err_shift) & 1) * 2; |
| 1146 | if (!(zr->stat_com[i] & cpu_to_le32(1))) |
| 1147 | break; |
| 1148 | zr->stat_com[i] = |
| 1149 | cpu_to_le32(zr->jpg_buffers.buffer[frame].frag_tab_bus); |
| 1150 | zr->stat_com[i + 1] = |
| 1151 | cpu_to_le32(zr->jpg_buffers.buffer[frame].frag_tab_bus); |
| 1152 | } |
| 1153 | zr->jpg_buffers.buffer[frame].state = BUZ_STATE_DMA; |
| 1154 | zr->jpg_dma_head++; |
| 1155 | |
| 1156 | } |
| 1157 | if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS) |
| 1158 | zr->jpg_queued_num++; |
| 1159 | } |
| 1160 | |
| 1161 | /* when this is called the spinlock must be held */ |
| 1162 | static void |
| 1163 | zoran_reap_stat_com (struct zoran *zr) |
| 1164 | { |
| 1165 | /* move frames from DMA queue to done queue */ |
| 1166 | |
| 1167 | int i; |
| 1168 | u32 stat_com; |
| 1169 | unsigned int seq; |
| 1170 | unsigned int dif; |
| 1171 | struct zoran_jpg_buffer *buffer; |
| 1172 | int frame; |
| 1173 | |
| 1174 | /* In motion decompress we don't have a hardware frame counter, |
| 1175 | * we just count the interrupts here */ |
| 1176 | |
| 1177 | if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS) { |
| 1178 | zr->jpg_seq_num++; |
| 1179 | } |
| 1180 | while (zr->jpg_dma_tail < zr->jpg_dma_head) { |
| 1181 | if (zr->jpg_settings.TmpDcm == 1) |
| 1182 | i = (zr->jpg_dma_tail - |
| 1183 | zr->jpg_err_shift) & BUZ_MASK_STAT_COM; |
| 1184 | else |
| 1185 | i = ((zr->jpg_dma_tail - |
| 1186 | zr->jpg_err_shift) & 1) * 2 + 1; |
| 1187 | |
| 1188 | stat_com = le32_to_cpu(zr->stat_com[i]); |
| 1189 | |
| 1190 | if ((stat_com & 1) == 0) { |
| 1191 | return; |
| 1192 | } |
| 1193 | frame = zr->jpg_pend[zr->jpg_dma_tail & BUZ_MASK_FRAME]; |
| 1194 | buffer = &zr->jpg_buffers.buffer[frame]; |
| 1195 | do_gettimeofday(&buffer->bs.timestamp); |
| 1196 | |
| 1197 | if (zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) { |
| 1198 | buffer->bs.length = (stat_com & 0x7fffff) >> 1; |
| 1199 | |
| 1200 | /* update sequence number with the help of the counter in stat_com */ |
| 1201 | |
| 1202 | seq = ((stat_com >> 24) + zr->jpg_err_seq) & 0xff; |
| 1203 | dif = (seq - zr->jpg_seq_num) & 0xff; |
| 1204 | zr->jpg_seq_num += dif; |
| 1205 | } else { |
| 1206 | buffer->bs.length = 0; |
| 1207 | } |
| 1208 | buffer->bs.seq = |
| 1209 | zr->jpg_settings.TmpDcm == |
| 1210 | 2 ? (zr->jpg_seq_num >> 1) : zr->jpg_seq_num; |
| 1211 | buffer->state = BUZ_STATE_DONE; |
| 1212 | |
| 1213 | zr->jpg_dma_tail++; |
| 1214 | } |
| 1215 | } |
| 1216 | |
| 1217 | static void |
| 1218 | error_handler (struct zoran *zr, |
| 1219 | u32 astat, |
| 1220 | u32 stat) |
| 1221 | { |
| 1222 | /* This is JPEG error handling part */ |
| 1223 | if ((zr->codec_mode != BUZ_MODE_MOTION_COMPRESS) && |
| 1224 | (zr->codec_mode != BUZ_MODE_MOTION_DECOMPRESS)) { |
| 1225 | //dprintk(1, KERN_ERR "%s: Internal error: error handling request in mode %d\n", ZR_DEVNAME(zr), zr->codec_mode); |
| 1226 | return; |
| 1227 | } |
| 1228 | |
| 1229 | if ((stat & 1) == 0 && |
| 1230 | zr->codec_mode == BUZ_MODE_MOTION_COMPRESS && |
| 1231 | zr->jpg_dma_tail - zr->jpg_que_tail >= |
| 1232 | zr->jpg_buffers.num_buffers) { |
| 1233 | /* No free buffers... */ |
| 1234 | zoran_reap_stat_com(zr); |
| 1235 | zoran_feed_stat_com(zr); |
| 1236 | wake_up_interruptible(&zr->jpg_capq); |
| 1237 | zr->JPEG_missed = 0; |
| 1238 | return; |
| 1239 | } |
| 1240 | |
| 1241 | if (zr->JPEG_error != 1) { |
| 1242 | /* |
| 1243 | * First entry: error just happened during normal operation |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1244 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1245 | * In BUZ_MODE_MOTION_COMPRESS: |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1246 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1247 | * Possible glitch in TV signal. In this case we should |
| 1248 | * stop the codec and wait for good quality signal before |
| 1249 | * restarting it to avoid further problems |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1250 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1251 | * In BUZ_MODE_MOTION_DECOMPRESS: |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1252 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1253 | * Bad JPEG frame: we have to mark it as processed (codec crashed |
| 1254 | * and was not able to do it itself), and to remove it from queue. |
| 1255 | */ |
| 1256 | btand(~ZR36057_JMC_Go_en, ZR36057_JMC); |
| 1257 | udelay(1); |
| 1258 | stat = stat | (post_office_read(zr, 7, 0) & 3) << 8; |
| 1259 | btwrite(0, ZR36057_JPC); |
| 1260 | btor(ZR36057_MCTCR_CFlush, ZR36057_MCTCR); |
| 1261 | jpeg_codec_reset(zr); |
| 1262 | jpeg_codec_sleep(zr, 1); |
| 1263 | zr->JPEG_error = 1; |
| 1264 | zr->num_errors++; |
| 1265 | |
| 1266 | /* Report error */ |
Jean Delvare | 18b548c | 2007-07-17 18:29:41 -0300 | [diff] [blame] | 1267 | if (zr36067_debug > 1 && zr->num_errors <= 8) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1268 | long frame; |
| 1269 | frame = |
| 1270 | zr->jpg_pend[zr->jpg_dma_tail & BUZ_MASK_FRAME]; |
| 1271 | printk(KERN_ERR |
| 1272 | "%s: JPEG error stat=0x%08x(0x%08x) queue_state=%ld/%ld/%ld/%ld seq=%ld frame=%ld. Codec stopped. ", |
| 1273 | ZR_DEVNAME(zr), stat, zr->last_isr, |
| 1274 | zr->jpg_que_tail, zr->jpg_dma_tail, |
| 1275 | zr->jpg_dma_head, zr->jpg_que_head, |
| 1276 | zr->jpg_seq_num, frame); |
| 1277 | printk("stat_com frames:"); |
| 1278 | { |
| 1279 | int i, j; |
| 1280 | for (j = 0; j < BUZ_NUM_STAT_COM; j++) { |
| 1281 | for (i = 0; |
| 1282 | i < zr->jpg_buffers.num_buffers; |
| 1283 | i++) { |
| 1284 | if (le32_to_cpu(zr->stat_com[j]) == |
| 1285 | zr->jpg_buffers. |
| 1286 | buffer[i]. |
| 1287 | frag_tab_bus) { |
| 1288 | printk("% d->%d", |
| 1289 | j, i); |
| 1290 | } |
| 1291 | } |
| 1292 | } |
| 1293 | printk("\n"); |
| 1294 | } |
| 1295 | } |
| 1296 | /* Find an entry in stat_com and rotate contents */ |
| 1297 | { |
| 1298 | int i; |
| 1299 | |
| 1300 | if (zr->jpg_settings.TmpDcm == 1) |
| 1301 | i = (zr->jpg_dma_tail - |
| 1302 | zr->jpg_err_shift) & BUZ_MASK_STAT_COM; |
| 1303 | else |
| 1304 | i = ((zr->jpg_dma_tail - |
| 1305 | zr->jpg_err_shift) & 1) * 2; |
| 1306 | if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS) { |
| 1307 | /* Mimic zr36067 operation */ |
| 1308 | zr->stat_com[i] |= cpu_to_le32(1); |
| 1309 | if (zr->jpg_settings.TmpDcm != 1) |
| 1310 | zr->stat_com[i + 1] |= cpu_to_le32(1); |
| 1311 | /* Refill */ |
| 1312 | zoran_reap_stat_com(zr); |
| 1313 | zoran_feed_stat_com(zr); |
| 1314 | wake_up_interruptible(&zr->jpg_capq); |
| 1315 | /* Find an entry in stat_com again after refill */ |
| 1316 | if (zr->jpg_settings.TmpDcm == 1) |
| 1317 | i = (zr->jpg_dma_tail - |
| 1318 | zr->jpg_err_shift) & |
| 1319 | BUZ_MASK_STAT_COM; |
| 1320 | else |
| 1321 | i = ((zr->jpg_dma_tail - |
| 1322 | zr->jpg_err_shift) & 1) * 2; |
| 1323 | } |
| 1324 | if (i) { |
| 1325 | /* Rotate stat_comm entries to make current entry first */ |
| 1326 | int j; |
| 1327 | u32 bus_addr[BUZ_NUM_STAT_COM]; |
| 1328 | |
| 1329 | /* Here we are copying the stat_com array, which |
| 1330 | * is already in little endian format, so |
| 1331 | * no endian conversions here |
| 1332 | */ |
| 1333 | memcpy(bus_addr, zr->stat_com, |
| 1334 | sizeof(bus_addr)); |
| 1335 | for (j = 0; j < BUZ_NUM_STAT_COM; j++) { |
| 1336 | zr->stat_com[j] = |
| 1337 | bus_addr[(i + j) & |
| 1338 | BUZ_MASK_STAT_COM]; |
| 1339 | |
| 1340 | } |
| 1341 | zr->jpg_err_shift += i; |
| 1342 | zr->jpg_err_shift &= BUZ_MASK_STAT_COM; |
| 1343 | } |
| 1344 | if (zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) |
| 1345 | zr->jpg_err_seq = zr->jpg_seq_num; /* + 1; */ |
| 1346 | } |
| 1347 | } |
| 1348 | |
| 1349 | /* Now the stat_comm buffer is ready for restart */ |
| 1350 | do { |
| 1351 | int status, mode; |
| 1352 | |
| 1353 | if (zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) { |
| 1354 | decoder_command(zr, DECODER_GET_STATUS, &status); |
| 1355 | mode = CODEC_DO_COMPRESSION; |
| 1356 | } else { |
| 1357 | status = 0; |
| 1358 | mode = CODEC_DO_EXPANSION; |
| 1359 | } |
| 1360 | if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS || |
| 1361 | (status & DECODER_STATUS_GOOD)) { |
| 1362 | /********** RESTART code *************/ |
| 1363 | jpeg_codec_reset(zr); |
| 1364 | zr->codec->set_mode(zr->codec, mode); |
| 1365 | zr36057_set_jpg(zr, zr->codec_mode); |
| 1366 | jpeg_start(zr); |
| 1367 | |
| 1368 | if (zr->num_errors <= 8) |
| 1369 | dprintk(2, KERN_INFO "%s: Restart\n", |
| 1370 | ZR_DEVNAME(zr)); |
| 1371 | |
| 1372 | zr->JPEG_missed = 0; |
| 1373 | zr->JPEG_error = 2; |
| 1374 | /********** End RESTART code ***********/ |
| 1375 | } |
| 1376 | } while (0); |
| 1377 | } |
| 1378 | |
| 1379 | irqreturn_t |
| 1380 | zoran_irq (int irq, |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 1381 | void *dev_id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1382 | { |
| 1383 | u32 stat, astat; |
| 1384 | int count; |
| 1385 | struct zoran *zr; |
| 1386 | unsigned long flags; |
| 1387 | |
Jeff Garzik | c7bec5a | 2006-10-06 15:00:58 -0400 | [diff] [blame] | 1388 | zr = dev_id; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1389 | count = 0; |
| 1390 | |
| 1391 | if (zr->testing) { |
| 1392 | /* Testing interrupts */ |
| 1393 | spin_lock_irqsave(&zr->spinlock, flags); |
| 1394 | while ((stat = count_reset_interrupt(zr))) { |
| 1395 | if (count++ > 100) { |
| 1396 | btand(~ZR36057_ICR_IntPinEn, ZR36057_ICR); |
| 1397 | dprintk(1, |
| 1398 | KERN_ERR |
| 1399 | "%s: IRQ lockup while testing, isr=0x%08x, cleared int mask\n", |
| 1400 | ZR_DEVNAME(zr), stat); |
| 1401 | wake_up_interruptible(&zr->test_q); |
| 1402 | } |
| 1403 | } |
| 1404 | zr->last_isr = stat; |
| 1405 | spin_unlock_irqrestore(&zr->spinlock, flags); |
| 1406 | return IRQ_HANDLED; |
| 1407 | } |
| 1408 | |
| 1409 | spin_lock_irqsave(&zr->spinlock, flags); |
| 1410 | while (1) { |
| 1411 | /* get/clear interrupt status bits */ |
| 1412 | stat = count_reset_interrupt(zr); |
| 1413 | astat = stat & IRQ_MASK; |
| 1414 | if (!astat) { |
| 1415 | break; |
| 1416 | } |
| 1417 | dprintk(4, |
| 1418 | KERN_DEBUG |
| 1419 | "zoran_irq: astat: 0x%08x, mask: 0x%08x\n", |
| 1420 | astat, btread(ZR36057_ICR)); |
| 1421 | if (astat & zr->card.vsync_int) { // SW |
| 1422 | |
| 1423 | if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS || |
| 1424 | zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) { |
| 1425 | /* count missed interrupts */ |
| 1426 | zr->JPEG_missed++; |
| 1427 | } |
| 1428 | //post_office_read(zr,1,0); |
| 1429 | /* Interrupts may still happen when |
| 1430 | * zr->v4l_memgrab_active is switched off. |
| 1431 | * We simply ignore them */ |
| 1432 | |
| 1433 | if (zr->v4l_memgrab_active) { |
| 1434 | |
| 1435 | /* A lot more checks should be here ... */ |
| 1436 | if ((btread(ZR36057_VSSFGR) & |
| 1437 | ZR36057_VSSFGR_SnapShot) == 0) |
| 1438 | dprintk(1, |
| 1439 | KERN_WARNING |
| 1440 | "%s: BuzIRQ with SnapShot off ???\n", |
| 1441 | ZR_DEVNAME(zr)); |
| 1442 | |
| 1443 | if (zr->v4l_grab_frame != NO_GRAB_ACTIVE) { |
| 1444 | /* There is a grab on a frame going on, check if it has finished */ |
| 1445 | |
| 1446 | if ((btread(ZR36057_VSSFGR) & |
| 1447 | ZR36057_VSSFGR_FrameGrab) == |
| 1448 | 0) { |
| 1449 | /* it is finished, notify the user */ |
| 1450 | |
| 1451 | zr->v4l_buffers.buffer[zr->v4l_grab_frame].state = BUZ_STATE_DONE; |
| 1452 | zr->v4l_buffers.buffer[zr->v4l_grab_frame].bs.seq = zr->v4l_grab_seq; |
| 1453 | do_gettimeofday(&zr->v4l_buffers.buffer[zr->v4l_grab_frame].bs.timestamp); |
| 1454 | zr->v4l_grab_frame = NO_GRAB_ACTIVE; |
| 1455 | zr->v4l_pend_tail++; |
| 1456 | } |
| 1457 | } |
| 1458 | |
| 1459 | if (zr->v4l_grab_frame == NO_GRAB_ACTIVE) |
| 1460 | wake_up_interruptible(&zr->v4l_capq); |
| 1461 | |
| 1462 | /* Check if there is another grab queued */ |
| 1463 | |
| 1464 | if (zr->v4l_grab_frame == NO_GRAB_ACTIVE && |
| 1465 | zr->v4l_pend_tail != zr->v4l_pend_head) { |
| 1466 | |
| 1467 | int frame = zr->v4l_pend[zr->v4l_pend_tail & |
| 1468 | V4L_MASK_FRAME]; |
| 1469 | u32 reg; |
| 1470 | |
| 1471 | zr->v4l_grab_frame = frame; |
| 1472 | |
| 1473 | /* Set zr36057 video front end and enable video */ |
| 1474 | |
| 1475 | /* Buffer address */ |
| 1476 | |
| 1477 | reg = |
| 1478 | zr->v4l_buffers.buffer[frame]. |
| 1479 | fbuffer_bus; |
| 1480 | btwrite(reg, ZR36057_VDTR); |
| 1481 | if (zr->v4l_settings.height > |
| 1482 | BUZ_MAX_HEIGHT / 2) |
| 1483 | reg += |
| 1484 | zr->v4l_settings. |
| 1485 | bytesperline; |
| 1486 | btwrite(reg, ZR36057_VDBR); |
| 1487 | |
| 1488 | /* video stride, status, and frame grab register */ |
| 1489 | reg = 0; |
| 1490 | if (zr->v4l_settings.height > |
| 1491 | BUZ_MAX_HEIGHT / 2) |
| 1492 | reg += |
| 1493 | zr->v4l_settings. |
| 1494 | bytesperline; |
| 1495 | reg = |
| 1496 | (reg << |
| 1497 | ZR36057_VSSFGR_DispStride); |
| 1498 | reg |= ZR36057_VSSFGR_VidOvf; |
| 1499 | reg |= ZR36057_VSSFGR_SnapShot; |
| 1500 | reg |= ZR36057_VSSFGR_FrameGrab; |
| 1501 | btwrite(reg, ZR36057_VSSFGR); |
| 1502 | |
| 1503 | btor(ZR36057_VDCR_VidEn, |
| 1504 | ZR36057_VDCR); |
| 1505 | } |
| 1506 | } |
| 1507 | |
| 1508 | /* even if we don't grab, we do want to increment |
| 1509 | * the sequence counter to see lost frames */ |
| 1510 | zr->v4l_grab_seq++; |
| 1511 | } |
| 1512 | #if (IRQ_MASK & ZR36057_ISR_CodRepIRQ) |
| 1513 | if (astat & ZR36057_ISR_CodRepIRQ) { |
| 1514 | zr->intr_counter_CodRepIRQ++; |
| 1515 | IDEBUG(printk |
| 1516 | (KERN_DEBUG "%s: ZR36057_ISR_CodRepIRQ\n", |
| 1517 | ZR_DEVNAME(zr))); |
| 1518 | btand(~ZR36057_ICR_CodRepIRQ, ZR36057_ICR); |
| 1519 | } |
| 1520 | #endif /* (IRQ_MASK & ZR36057_ISR_CodRepIRQ) */ |
| 1521 | |
| 1522 | #if (IRQ_MASK & ZR36057_ISR_JPEGRepIRQ) |
| 1523 | if (astat & ZR36057_ISR_JPEGRepIRQ) { |
| 1524 | |
| 1525 | if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS || |
| 1526 | zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) { |
Jean Delvare | 18b548c | 2007-07-17 18:29:41 -0300 | [diff] [blame] | 1527 | if (zr36067_debug > 1 && |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1528 | (!zr->frame_num || zr->JPEG_error)) { |
| 1529 | printk(KERN_INFO |
| 1530 | "%s: first frame ready: state=0x%08x odd_even=%d field_per_buff=%d delay=%d\n", |
| 1531 | ZR_DEVNAME(zr), stat, |
| 1532 | zr->jpg_settings.odd_even, |
| 1533 | zr->jpg_settings. |
| 1534 | field_per_buff, |
| 1535 | zr->JPEG_missed); |
| 1536 | { |
| 1537 | char sc[] = "0000"; |
| 1538 | char sv[5]; |
| 1539 | int i; |
| 1540 | strcpy(sv, sc); |
| 1541 | for (i = 0; i < 4; i++) { |
| 1542 | if (le32_to_cpu(zr->stat_com[i]) & 1) |
| 1543 | sv[i] = '1'; |
| 1544 | } |
| 1545 | sv[4] = 0; |
| 1546 | printk(KERN_INFO |
| 1547 | "%s: stat_com=%s queue_state=%ld/%ld/%ld/%ld\n", |
| 1548 | ZR_DEVNAME(zr), sv, |
| 1549 | zr->jpg_que_tail, |
| 1550 | zr->jpg_dma_tail, |
| 1551 | zr->jpg_dma_head, |
| 1552 | zr->jpg_que_head); |
| 1553 | } |
| 1554 | } else { |
| 1555 | if (zr->JPEG_missed > zr->JPEG_max_missed) // Get statistics |
| 1556 | zr->JPEG_max_missed = |
| 1557 | zr->JPEG_missed; |
| 1558 | if (zr->JPEG_missed < |
| 1559 | zr->JPEG_min_missed) |
| 1560 | zr->JPEG_min_missed = |
| 1561 | zr->JPEG_missed; |
| 1562 | } |
| 1563 | |
Jean Delvare | 18b548c | 2007-07-17 18:29:41 -0300 | [diff] [blame] | 1564 | if (zr36067_debug > 2 && zr->frame_num < 6) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1565 | int i; |
| 1566 | printk("%s: seq=%ld stat_com:", |
| 1567 | ZR_DEVNAME(zr), zr->jpg_seq_num); |
| 1568 | for (i = 0; i < 4; i++) { |
| 1569 | printk(" %08x", |
| 1570 | le32_to_cpu(zr->stat_com[i])); |
| 1571 | } |
| 1572 | printk("\n"); |
| 1573 | } |
| 1574 | zr->frame_num++; |
| 1575 | zr->JPEG_missed = 0; |
| 1576 | zr->JPEG_error = 0; |
| 1577 | zoran_reap_stat_com(zr); |
| 1578 | zoran_feed_stat_com(zr); |
| 1579 | wake_up_interruptible(&zr->jpg_capq); |
| 1580 | } /*else { |
| 1581 | dprintk(1, |
| 1582 | KERN_ERR |
| 1583 | "%s: JPEG interrupt while not in motion (de)compress mode!\n", |
| 1584 | ZR_DEVNAME(zr)); |
| 1585 | }*/ |
| 1586 | } |
| 1587 | #endif /* (IRQ_MASK & ZR36057_ISR_JPEGRepIRQ) */ |
| 1588 | |
| 1589 | /* DATERR, too many fields missed, error processing */ |
| 1590 | if ((astat & zr->card.jpeg_int) || |
| 1591 | zr->JPEG_missed > 25 || |
| 1592 | zr->JPEG_error == 1 || |
| 1593 | ((zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS) && |
| 1594 | (zr->frame_num & (zr->JPEG_missed > |
| 1595 | zr->jpg_settings.field_per_buff)))) { |
| 1596 | error_handler(zr, astat, stat); |
| 1597 | } |
| 1598 | |
| 1599 | count++; |
| 1600 | if (count > 10) { |
| 1601 | dprintk(2, KERN_WARNING "%s: irq loop %d\n", |
| 1602 | ZR_DEVNAME(zr), count); |
| 1603 | if (count > 20) { |
| 1604 | btand(~ZR36057_ICR_IntPinEn, ZR36057_ICR); |
| 1605 | dprintk(2, |
| 1606 | KERN_ERR |
| 1607 | "%s: IRQ lockup, cleared int mask\n", |
| 1608 | ZR_DEVNAME(zr)); |
| 1609 | break; |
| 1610 | } |
| 1611 | } |
| 1612 | zr->last_isr = stat; |
| 1613 | } |
| 1614 | spin_unlock_irqrestore(&zr->spinlock, flags); |
| 1615 | |
| 1616 | return IRQ_HANDLED; |
| 1617 | } |
| 1618 | |
| 1619 | void |
| 1620 | zoran_set_pci_master (struct zoran *zr, |
| 1621 | int set_master) |
| 1622 | { |
| 1623 | if (set_master) { |
| 1624 | pci_set_master(zr->pci_dev); |
| 1625 | } else { |
| 1626 | u16 command; |
| 1627 | |
| 1628 | pci_read_config_word(zr->pci_dev, PCI_COMMAND, &command); |
| 1629 | command &= ~PCI_COMMAND_MASTER; |
| 1630 | pci_write_config_word(zr->pci_dev, PCI_COMMAND, command); |
| 1631 | } |
| 1632 | } |
| 1633 | |
| 1634 | void |
| 1635 | zoran_init_hardware (struct zoran *zr) |
| 1636 | { |
| 1637 | int j, zero = 0; |
| 1638 | |
| 1639 | /* Enable bus-mastering */ |
| 1640 | zoran_set_pci_master(zr, 1); |
| 1641 | |
| 1642 | /* Initialize the board */ |
| 1643 | if (zr->card.init) { |
| 1644 | zr->card.init(zr); |
| 1645 | } |
| 1646 | |
| 1647 | j = zr->card.input[zr->input].muxsel; |
| 1648 | |
| 1649 | decoder_command(zr, 0, NULL); |
| 1650 | decoder_command(zr, DECODER_SET_NORM, &zr->norm); |
| 1651 | decoder_command(zr, DECODER_SET_INPUT, &j); |
| 1652 | |
| 1653 | encoder_command(zr, 0, NULL); |
| 1654 | encoder_command(zr, ENCODER_SET_NORM, &zr->norm); |
| 1655 | encoder_command(zr, ENCODER_SET_INPUT, &zero); |
| 1656 | |
| 1657 | /* toggle JPEG codec sleep to sync PLL */ |
| 1658 | jpeg_codec_sleep(zr, 1); |
| 1659 | jpeg_codec_sleep(zr, 0); |
| 1660 | |
| 1661 | /* set individual interrupt enables (without GIRQ1) |
| 1662 | * but don't global enable until zoran_open() */ |
| 1663 | |
| 1664 | //btwrite(IRQ_MASK & ~ZR36057_ISR_GIRQ1, ZR36057_ICR); // SW |
| 1665 | // It looks like using only JPEGRepIRQEn is not always reliable, |
| 1666 | // may be when JPEG codec crashes it won't generate IRQ? So, |
| 1667 | /*CP*/ // btwrite(IRQ_MASK, ZR36057_ICR); // Enable Vsync interrupts too. SM WHY ? LP |
| 1668 | zr36057_init_vfe(zr); |
| 1669 | |
| 1670 | zr36057_enable_jpg(zr, BUZ_MODE_IDLE); |
| 1671 | |
| 1672 | btwrite(IRQ_MASK, ZR36057_ISR); // Clears interrupts |
| 1673 | } |
| 1674 | |
| 1675 | void |
| 1676 | zr36057_restart (struct zoran *zr) |
| 1677 | { |
| 1678 | btwrite(0, ZR36057_SPGPPCR); |
| 1679 | mdelay(1); |
| 1680 | btor(ZR36057_SPGPPCR_SoftReset, ZR36057_SPGPPCR); |
| 1681 | mdelay(1); |
| 1682 | |
| 1683 | /* assert P_Reset */ |
| 1684 | btwrite(0, ZR36057_JPC); |
| 1685 | /* set up GPIO direction - all output */ |
| 1686 | btwrite(ZR36057_SPGPPCR_SoftReset | 0, ZR36057_SPGPPCR); |
| 1687 | |
| 1688 | /* set up GPIO pins and guest bus timing */ |
| 1689 | btwrite((0x81 << 24) | 0x8888, ZR36057_GPPGCR1); |
| 1690 | } |
| 1691 | |
| 1692 | /* |
| 1693 | * initialize video front end |
| 1694 | */ |
| 1695 | |
| 1696 | static void |
| 1697 | zr36057_init_vfe (struct zoran *zr) |
| 1698 | { |
| 1699 | u32 reg; |
| 1700 | |
| 1701 | reg = btread(ZR36057_VFESPFR); |
| 1702 | reg |= ZR36057_VFESPFR_LittleEndian; |
| 1703 | reg &= ~ZR36057_VFESPFR_VCLKPol; |
| 1704 | reg |= ZR36057_VFESPFR_ExtFl; |
| 1705 | reg |= ZR36057_VFESPFR_TopField; |
| 1706 | btwrite(reg, ZR36057_VFESPFR); |
| 1707 | reg = btread(ZR36057_VDCR); |
| 1708 | if (pci_pci_problems & PCIPCI_TRITON) |
| 1709 | // || zr->revision < 1) // Revision 1 has also Triton support |
| 1710 | reg &= ~ZR36057_VDCR_Triton; |
| 1711 | else |
| 1712 | reg |= ZR36057_VDCR_Triton; |
| 1713 | btwrite(reg, ZR36057_VDCR); |
| 1714 | } |
| 1715 | |
| 1716 | /* |
| 1717 | * Interface to decoder and encoder chips using i2c bus |
| 1718 | */ |
| 1719 | |
| 1720 | int |
| 1721 | decoder_command (struct zoran *zr, |
| 1722 | int cmd, |
| 1723 | void *data) |
| 1724 | { |
| 1725 | if (zr->decoder == NULL) |
| 1726 | return -EIO; |
| 1727 | |
| 1728 | if (zr->card.type == LML33 && |
| 1729 | (cmd == DECODER_SET_NORM || DECODER_SET_INPUT)) { |
| 1730 | int res; |
| 1731 | |
| 1732 | // Bt819 needs to reset its FIFO buffer using #FRST pin and |
| 1733 | // LML33 card uses GPIO(7) for that. |
| 1734 | GPIO(zr, 7, 0); |
| 1735 | res = zr->decoder->driver->command(zr->decoder, cmd, data); |
| 1736 | // Pull #FRST high. |
| 1737 | GPIO(zr, 7, 1); |
| 1738 | return res; |
| 1739 | } else |
| 1740 | return zr->decoder->driver->command(zr->decoder, cmd, |
| 1741 | data); |
| 1742 | } |
| 1743 | |
| 1744 | int |
| 1745 | encoder_command (struct zoran *zr, |
| 1746 | int cmd, |
| 1747 | void *data) |
| 1748 | { |
| 1749 | if (zr->encoder == NULL) |
| 1750 | return -1; |
| 1751 | |
| 1752 | return zr->encoder->driver->command(zr->encoder, cmd, data); |
| 1753 | } |