1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Zoran zr36057/zr36067 PCI controller driver, for the 4 * Pinnacle/Miro DC10/DC10+/DC30/DC30+, Iomega Buz, Linux 5 * Media Labs LML33/LML33R10. 6 * 7 * This part handles card-specific data and detection 8 * 9 * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx> 10 */ 11 12 #include <linux/delay.h> 13 #include <linux/kernel.h> 14 #include <linux/module.h> 15 #include <linux/slab.h> 16 17 #include <linux/i2c.h> 18 #include <linux/i2c-algo-bit.h> 19 #include <linux/videodev2.h> 20 #include <linux/spinlock.h> 21 22 #include <linux/pci.h> 23 #include <linux/interrupt.h> 24 #include <linux/io.h> 25 #include <media/v4l2-common.h> 26 #include <media/i2c/bt819.h> 27 28 #include "videocodec.h" 29 #include "zoran.h" 30 #include "zoran_card.h" 31 #include "zoran_device.h" 32 #include "zr36016.h" 33 #include "zr36050.h" 34 #include "zr36060.h" 35 36 extern const struct zoran_format zoran_formats[]; 37 38 static int card[BUZ_MAX] = { [0 ... (BUZ_MAX - 1)] = -1 }; 39 module_param_array(card, int, NULL, 0444); 40 MODULE_PARM_DESC(card, "Card type"); 41 42 /* Default input and video norm at startup of the driver. */ 43 44 static unsigned int default_input; /* default 0 = Composite, 1 = S-Video */ 45 module_param(default_input, uint, 0444); 46 MODULE_PARM_DESC(default_input, 47 "Default input (0=Composite, 1=S-Video, 2=Internal)"); 48 49 static int default_mux = 1; /* 6 Eyes input selection */ 50 module_param(default_mux, int, 0644); 51 MODULE_PARM_DESC(default_mux, 52 "Default 6 Eyes mux setting (Input selection)"); 53 54 static int default_norm; /* default 0 = PAL, 1 = NTSC 2 = SECAM */ 55 module_param(default_norm, int, 0444); 56 MODULE_PARM_DESC(default_norm, "Default norm (0=PAL, 1=NTSC, 2=SECAM)"); 57 58 /* /dev/videoN, -1 for autodetect */ 59 static int video_nr[BUZ_MAX] = { [0 ... (BUZ_MAX - 1)] = -1 }; 60 module_param_array(video_nr, int, NULL, 0444); 61 MODULE_PARM_DESC(video_nr, "Video device number (-1=Auto)"); 62 63 /* 1=Pass through TV signal when device is not used */ 64 /* 0=Show color bar when device is not used (LML33: only if lml33dpath=1) */ 65 int pass_through; 66 module_param(pass_through, int, 0644); 67 MODULE_PARM_DESC(pass_through, 68 "Pass TV signal through to TV-out when idling"); 69 70 #define ZORAN_VERSION "0.10.1" 71 72 MODULE_DESCRIPTION("Zoran-36057/36067 JPEG codec driver"); 73 MODULE_AUTHOR("Serguei Miridonov"); 74 MODULE_LICENSE("GPL"); 75 MODULE_VERSION(ZORAN_VERSION); 76 77 #define ZR_DEVICE(subven, subdev, data) { \ 78 .vendor = PCI_VENDOR_ID_ZORAN, .device = PCI_DEVICE_ID_ZORAN_36057, \ 79 .subvendor = (subven), .subdevice = (subdev), .driver_data = (data) } 80 81 static const struct pci_device_id zr36067_pci_tbl[] = { 82 ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC10PLUS, DC10_PLUS), 83 ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC30PLUS, DC30_PLUS), 84 ZR_DEVICE(PCI_VENDOR_ID_ELECTRONICDESIGNGMBH, PCI_DEVICE_ID_LML_33R10, LML33R10), 85 ZR_DEVICE(PCI_VENDOR_ID_IOMEGA, PCI_DEVICE_ID_IOMEGA_BUZ, BUZ), 86 ZR_DEVICE(PCI_ANY_ID, PCI_ANY_ID, NUM_CARDS), 87 {0} 88 }; 89 MODULE_DEVICE_TABLE(pci, zr36067_pci_tbl); 90 91 static unsigned int zoran_num; /* number of cards found */ 92 93 /* videocodec bus functions ZR36060 */ 94 static u32 zr36060_read(struct videocodec *codec, u16 reg) 95 { 96 struct zoran *zr = (struct zoran *)codec->master_data->data; 97 __u32 data; 98 99 if (post_office_wait(zr) || post_office_write(zr, 0, 1, reg >> 8) || 100 post_office_write(zr, 0, 2, reg & 0xff)) 101 return -1; 102 103 data = post_office_read(zr, 0, 3) & 0xff; 104 return data; 105 } 106 107 static void zr36060_write(struct videocodec *codec, u16 reg, u32 val) 108 { 109 struct zoran *zr = (struct zoran *)codec->master_data->data; 110 111 if (post_office_wait(zr) || post_office_write(zr, 0, 1, reg >> 8) || 112 post_office_write(zr, 0, 2, reg & 0xff)) 113 return; 114 115 post_office_write(zr, 0, 3, val & 0xff); 116 } 117 118 /* videocodec bus functions ZR36050 */ 119 static u32 zr36050_read(struct videocodec *codec, u16 reg) 120 { 121 struct zoran *zr = (struct zoran *)codec->master_data->data; 122 __u32 data; 123 124 if (post_office_wait(zr) || post_office_write(zr, 1, 0, reg >> 2)) // reg. HIGHBYTES 125 return -1; 126 127 data = post_office_read(zr, 0, reg & 0x03) & 0xff; // reg. LOWBYTES + read 128 return data; 129 } 130 131 static void zr36050_write(struct videocodec *codec, u16 reg, u32 val) 132 { 133 struct zoran *zr = (struct zoran *)codec->master_data->data; 134 135 if (post_office_wait(zr) || post_office_write(zr, 1, 0, reg >> 2)) // reg. HIGHBYTES 136 return; 137 138 post_office_write(zr, 0, reg & 0x03, val & 0xff); // reg. LOWBYTES + wr. data 139 } 140 141 /* videocodec bus functions ZR36016 */ 142 static u32 zr36016_read(struct videocodec *codec, u16 reg) 143 { 144 struct zoran *zr = (struct zoran *)codec->master_data->data; 145 __u32 data; 146 147 if (post_office_wait(zr)) 148 return -1; 149 150 data = post_office_read(zr, 2, reg & 0x03) & 0xff; // read 151 return data; 152 } 153 154 /* hack for in zoran_device.c */ 155 void zr36016_write(struct videocodec *codec, u16 reg, u32 val) 156 { 157 struct zoran *zr = (struct zoran *)codec->master_data->data; 158 159 if (post_office_wait(zr)) 160 return; 161 162 post_office_write(zr, 2, reg & 0x03, val & 0x0ff); // wr. data 163 } 164 165 /* 166 * Board specific information 167 */ 168 169 static void dc10_init(struct zoran *zr) 170 { 171 /* Pixel clock selection */ 172 GPIO(zr, 4, 0); 173 GPIO(zr, 5, 1); 174 /* Enable the video bus sync signals */ 175 GPIO(zr, 7, 0); 176 } 177 178 static void dc10plus_init(struct zoran *zr) 179 { 180 } 181 182 static void buz_init(struct zoran *zr) 183 { 184 /* some stuff from Iomega */ 185 pci_write_config_dword(zr->pci_dev, 0xfc, 0x90680f15); 186 pci_write_config_dword(zr->pci_dev, 0x0c, 0x00012020); 187 pci_write_config_dword(zr->pci_dev, 0xe8, 0xc0200000); 188 } 189 190 static void lml33_init(struct zoran *zr) 191 { 192 GPIO(zr, 2, 1); // Set Composite input/output 193 } 194 195 static void avs6eyes_init(struct zoran *zr) 196 { 197 // AverMedia 6-Eyes original driver by Christer Weinigel 198 199 // Lifted straight from Christer's old driver and 200 // modified slightly by Martin Samuelsson. 201 202 int mux = default_mux; /* 1 = BT866, 7 = VID1 */ 203 204 GPIO(zr, 4, 1); /* Bt866 SLEEP on */ 205 udelay(2); 206 207 GPIO(zr, 0, 1); /* ZR36060 /RESET on */ 208 GPIO(zr, 1, 0); /* ZR36060 /SLEEP on */ 209 GPIO(zr, 2, mux & 1); /* MUX S0 */ 210 GPIO(zr, 3, 0); /* /FRAME on */ 211 GPIO(zr, 4, 0); /* Bt866 SLEEP off */ 212 GPIO(zr, 5, mux & 2); /* MUX S1 */ 213 GPIO(zr, 6, 0); /* ? */ 214 GPIO(zr, 7, mux & 4); /* MUX S2 */ 215 } 216 217 static const char *codecid_to_modulename(u16 codecid) 218 { 219 const char *name = NULL; 220 221 switch (codecid) { 222 case CODEC_TYPE_ZR36060: 223 name = "zr36060"; 224 break; 225 case CODEC_TYPE_ZR36050: 226 name = "zr36050"; 227 break; 228 case CODEC_TYPE_ZR36016: 229 name = "zr36016"; 230 break; 231 } 232 233 return name; 234 } 235 236 static int codec_init(struct zoran *zr, u16 codecid) 237 { 238 switch (codecid) { 239 case CODEC_TYPE_ZR36060: 240 #ifdef CONFIG_VIDEO_ZORAN_ZR36060 241 return zr36060_init_module(); 242 #else 243 pci_err(zr->pci_dev, "ZR36060 support is not enabled\n"); 244 return -EINVAL; 245 #endif 246 break; 247 case CODEC_TYPE_ZR36050: 248 #ifdef CONFIG_VIDEO_ZORAN_DC30 249 return zr36050_init_module(); 250 #else 251 pci_err(zr->pci_dev, "ZR36050 support is not enabled\n"); 252 return -EINVAL; 253 #endif 254 break; 255 case CODEC_TYPE_ZR36016: 256 #ifdef CONFIG_VIDEO_ZORAN_DC30 257 return zr36016_init_module(); 258 #else 259 pci_err(zr->pci_dev, "ZR36016 support is not enabled\n"); 260 return -EINVAL; 261 #endif 262 break; 263 } 264 265 pci_err(zr->pci_dev, "unknown codec id %x\n", codecid); 266 return -EINVAL; 267 } 268 269 static void codec_exit(struct zoran *zr, u16 codecid) 270 { 271 switch (codecid) { 272 case CODEC_TYPE_ZR36060: 273 #ifdef CONFIG_VIDEO_ZORAN_ZR36060 274 zr36060_cleanup_module(); 275 #endif 276 break; 277 case CODEC_TYPE_ZR36050: 278 #ifdef CONFIG_VIDEO_ZORAN_DC30 279 zr36050_cleanup_module(); 280 #endif 281 break; 282 case CODEC_TYPE_ZR36016: 283 #ifdef CONFIG_VIDEO_ZORAN_DC30 284 zr36016_cleanup_module(); 285 #endif 286 break; 287 } 288 } 289 290 static int videocodec_init(struct zoran *zr) 291 { 292 const char *codec_name, *vfe_name; 293 int result; 294 295 codec_name = codecid_to_modulename(zr->card.video_codec); 296 if (codec_name) { 297 result = codec_init(zr, zr->card.video_codec); 298 if (result < 0) { 299 pci_err(zr->pci_dev, "failed to load video codec %s: %d\n", 300 codec_name, result); 301 return result; 302 } 303 } 304 vfe_name = codecid_to_modulename(zr->card.video_vfe); 305 if (vfe_name) { 306 result = codec_init(zr, zr->card.video_vfe); 307 if (result < 0) { 308 pci_err(zr->pci_dev, "failed to load video vfe %s: %d\n", 309 vfe_name, result); 310 if (codec_name) 311 codec_exit(zr, zr->card.video_codec); 312 return result; 313 } 314 } 315 return 0; 316 } 317 318 static void videocodec_exit(struct zoran *zr) 319 { 320 if (zr->card.video_codec != CODEC_TYPE_NONE) 321 codec_exit(zr, zr->card.video_codec); 322 if (zr->card.video_vfe != CODEC_TYPE_NONE) 323 codec_exit(zr, zr->card.video_vfe); 324 } 325 326 static const struct tvnorm f50sqpixel = { 944, 768, 83, 880, 625, 576, 16 }; 327 static const struct tvnorm f60sqpixel = { 780, 640, 51, 716, 525, 480, 12 }; 328 static const struct tvnorm f50ccir601 = { 864, 720, 75, 804, 625, 576, 18 }; 329 static const struct tvnorm f60ccir601 = { 858, 720, 57, 788, 525, 480, 16 }; 330 331 static const struct tvnorm f50ccir601_lml33 = { 864, 720, 75 + 34, 804, 625, 576, 18 }; 332 static const struct tvnorm f60ccir601_lml33 = { 858, 720, 57 + 34, 788, 525, 480, 16 }; 333 334 /* The DC10 (57/16/50) uses VActive as HSync, so h_start must be 0 */ 335 static const struct tvnorm f50sqpixel_dc10 = { 944, 768, 0, 880, 625, 576, 0 }; 336 static const struct tvnorm f60sqpixel_dc10 = { 780, 640, 0, 716, 525, 480, 12 }; 337 338 /* 339 * FIXME: I cannot swap U and V in saa7114, so i do one pixel left shift in zoran (75 -> 74) 340 * (Maxim Yevtyushkin <max@linuxmedialabs.com>) 341 */ 342 static const struct tvnorm f50ccir601_lm33r10 = { 864, 720, 74 + 54, 804, 625, 576, 18 }; 343 static const struct tvnorm f60ccir601_lm33r10 = { 858, 720, 56 + 54, 788, 525, 480, 16 }; 344 345 /* 346 * FIXME: The ks0127 seem incapable of swapping U and V, too, which is why I copy Maxim's left 347 * shift hack for the 6 Eyes. 348 * 349 * Christer's driver used the unshifted norms, though... 350 * /Sam 351 */ 352 static const struct tvnorm f50ccir601_avs6eyes = { 864, 720, 74, 804, 625, 576, 18 }; 353 static const struct tvnorm f60ccir601_avs6eyes = { 858, 720, 56, 788, 525, 480, 16 }; 354 355 static const unsigned short vpx3220_addrs[] = { 0x43, 0x47, I2C_CLIENT_END }; 356 static const unsigned short saa7110_addrs[] = { 0x4e, 0x4f, I2C_CLIENT_END }; 357 static const unsigned short saa7111_addrs[] = { 0x25, 0x24, I2C_CLIENT_END }; 358 static const unsigned short saa7114_addrs[] = { 0x21, 0x20, I2C_CLIENT_END }; 359 static const unsigned short adv717x_addrs[] = { 0x6a, 0x6b, 0x2a, 0x2b, I2C_CLIENT_END }; 360 static const unsigned short ks0127_addrs[] = { 0x6c, 0x6d, I2C_CLIENT_END }; 361 static const unsigned short saa7185_addrs[] = { 0x44, I2C_CLIENT_END }; 362 static const unsigned short bt819_addrs[] = { 0x45, I2C_CLIENT_END }; 363 static const unsigned short bt856_addrs[] = { 0x44, I2C_CLIENT_END }; 364 static const unsigned short bt866_addrs[] = { 0x44, I2C_CLIENT_END }; 365 366 static struct card_info zoran_cards[NUM_CARDS] = { 367 { 368 .type = DC10_OLD, 369 .name = "DC10(old)", 370 .i2c_decoder = "vpx3220a", 371 .addrs_decoder = vpx3220_addrs, 372 .video_codec = CODEC_TYPE_ZR36050, 373 .video_vfe = CODEC_TYPE_ZR36016, 374 375 .inputs = 3, 376 .input = { 377 { 1, "Composite" }, 378 { 2, "S-Video" }, 379 { 0, "Internal/comp" } 380 }, 381 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM, 382 .tvn = { 383 &f50sqpixel_dc10, 384 &f60sqpixel_dc10, 385 &f50sqpixel_dc10 386 }, 387 .jpeg_int = 0, 388 .vsync_int = ZR36057_ISR_GIRQ1, 389 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 }, 390 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 }, 391 .gpcs = { -1, 0 }, 392 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, 393 .gws_not_connected = 0, 394 .input_mux = 0, 395 .init = &dc10_init, 396 }, { 397 .type = DC10_NEW, 398 .name = "DC10(new)", 399 .i2c_decoder = "saa7110", 400 .addrs_decoder = saa7110_addrs, 401 .i2c_encoder = "adv7175", 402 .addrs_encoder = adv717x_addrs, 403 .video_codec = CODEC_TYPE_ZR36060, 404 405 .inputs = 3, 406 .input = { 407 { 0, "Composite" }, 408 { 7, "S-Video" }, 409 { 5, "Internal/comp" } 410 }, 411 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM, 412 .tvn = { 413 &f50sqpixel, 414 &f60sqpixel, 415 &f50sqpixel}, 416 .jpeg_int = ZR36057_ISR_GIRQ0, 417 .vsync_int = ZR36057_ISR_GIRQ1, 418 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 }, 419 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, 420 .gpcs = { -1, 1}, 421 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 }, 422 .gws_not_connected = 0, 423 .input_mux = 0, 424 .init = &dc10plus_init, 425 }, { 426 .type = DC10_PLUS, 427 .name = "DC10_PLUS", 428 .i2c_decoder = "saa7110", 429 .addrs_decoder = saa7110_addrs, 430 .i2c_encoder = "adv7175", 431 .addrs_encoder = adv717x_addrs, 432 .video_codec = CODEC_TYPE_ZR36060, 433 434 .inputs = 3, 435 .input = { 436 { 0, "Composite" }, 437 { 7, "S-Video" }, 438 { 5, "Internal/comp" } 439 }, 440 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM, 441 .tvn = { 442 &f50sqpixel, 443 &f60sqpixel, 444 &f50sqpixel 445 }, 446 .jpeg_int = ZR36057_ISR_GIRQ0, 447 .vsync_int = ZR36057_ISR_GIRQ1, 448 .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 }, 449 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, 450 .gpcs = { -1, 1 }, 451 .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 }, 452 .gws_not_connected = 0, 453 .input_mux = 0, 454 .init = &dc10plus_init, 455 }, { 456 .type = DC30, 457 .name = "DC30", 458 .i2c_decoder = "vpx3220a", 459 .addrs_decoder = vpx3220_addrs, 460 .i2c_encoder = "adv7175", 461 .addrs_encoder = adv717x_addrs, 462 .video_codec = CODEC_TYPE_ZR36050, 463 .video_vfe = CODEC_TYPE_ZR36016, 464 465 .inputs = 3, 466 .input = { 467 { 1, "Composite" }, 468 { 2, "S-Video" }, 469 { 0, "Internal/comp" } 470 }, 471 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM, 472 .tvn = { 473 &f50sqpixel_dc10, 474 &f60sqpixel_dc10, 475 &f50sqpixel_dc10 476 }, 477 .jpeg_int = 0, 478 .vsync_int = ZR36057_ISR_GIRQ1, 479 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 }, 480 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 }, 481 .gpcs = { -1, 0 }, 482 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, 483 .gws_not_connected = 0, 484 .input_mux = 0, 485 .init = &dc10_init, 486 }, { 487 .type = DC30_PLUS, 488 .name = "DC30_PLUS", 489 .i2c_decoder = "vpx3220a", 490 .addrs_decoder = vpx3220_addrs, 491 .i2c_encoder = "adv7175", 492 .addrs_encoder = adv717x_addrs, 493 .video_codec = CODEC_TYPE_ZR36050, 494 .video_vfe = CODEC_TYPE_ZR36016, 495 496 .inputs = 3, 497 .input = { 498 { 1, "Composite" }, 499 { 2, "S-Video" }, 500 { 0, "Internal/comp" } 501 }, 502 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM, 503 .tvn = { 504 &f50sqpixel_dc10, 505 &f60sqpixel_dc10, 506 &f50sqpixel_dc10 507 }, 508 .jpeg_int = 0, 509 .vsync_int = ZR36057_ISR_GIRQ1, 510 .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 }, 511 .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 }, 512 .gpcs = { -1, 0 }, 513 .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, 514 .gws_not_connected = 0, 515 .input_mux = 0, 516 .init = &dc10_init, 517 }, { 518 .type = LML33, 519 .name = "LML33", 520 .i2c_decoder = "bt819a", 521 .addrs_decoder = bt819_addrs, 522 .i2c_encoder = "bt856", 523 .addrs_encoder = bt856_addrs, 524 .video_codec = CODEC_TYPE_ZR36060, 525 526 .inputs = 2, 527 .input = { 528 { 0, "Composite" }, 529 { 7, "S-Video" } 530 }, 531 .norms = V4L2_STD_NTSC | V4L2_STD_PAL, 532 .tvn = { 533 &f50ccir601_lml33, 534 &f60ccir601_lml33, 535 NULL 536 }, 537 .jpeg_int = ZR36057_ISR_GIRQ1, 538 .vsync_int = ZR36057_ISR_GIRQ0, 539 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 }, 540 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 }, 541 .gpcs = { 3, 1 }, 542 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 }, 543 .gws_not_connected = 1, 544 .input_mux = 0, 545 .init = &lml33_init, 546 }, { 547 .type = LML33R10, 548 .name = "LML33R10", 549 .i2c_decoder = "saa7114", 550 .addrs_decoder = saa7114_addrs, 551 .i2c_encoder = "adv7170", 552 .addrs_encoder = adv717x_addrs, 553 .video_codec = CODEC_TYPE_ZR36060, 554 555 .inputs = 2, 556 .input = { 557 { 0, "Composite" }, 558 { 7, "S-Video" } 559 }, 560 .norms = V4L2_STD_NTSC | V4L2_STD_PAL, 561 .tvn = { 562 &f50ccir601_lm33r10, 563 &f60ccir601_lm33r10, 564 NULL 565 }, 566 .jpeg_int = ZR36057_ISR_GIRQ1, 567 .vsync_int = ZR36057_ISR_GIRQ0, 568 .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 }, 569 .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 }, 570 .gpcs = { 3, 1 }, 571 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 }, 572 .gws_not_connected = 1, 573 .input_mux = 0, 574 .init = &lml33_init, 575 }, { 576 .type = BUZ, 577 .name = "Buz", 578 .i2c_decoder = "saa7111", 579 .addrs_decoder = saa7111_addrs, 580 .i2c_encoder = "saa7185", 581 .addrs_encoder = saa7185_addrs, 582 .video_codec = CODEC_TYPE_ZR36060, 583 584 .inputs = 2, 585 .input = { 586 { 3, "Composite" }, 587 { 7, "S-Video" } 588 }, 589 .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM, 590 .tvn = { 591 &f50ccir601, 592 &f60ccir601, 593 &f50ccir601 594 }, 595 .jpeg_int = ZR36057_ISR_GIRQ1, 596 .vsync_int = ZR36057_ISR_GIRQ0, 597 .gpio = { 1, -1, 3, -1, -1, -1, -1, -1 }, 598 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, 599 .gpcs = { 3, 1 }, 600 .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 }, 601 .gws_not_connected = 1, 602 .input_mux = 0, 603 .init = &buz_init, 604 }, { 605 .type = AVS6EYES, 606 .name = "6-Eyes", 607 /* 608 * AverMedia chose not to brand the 6-Eyes. Thus it can't be 609 * autodetected, and requires card=x. 610 */ 611 .i2c_decoder = "ks0127", 612 .addrs_decoder = ks0127_addrs, 613 .i2c_encoder = "bt866", 614 .addrs_encoder = bt866_addrs, 615 .video_codec = CODEC_TYPE_ZR36060, 616 617 .inputs = 10, 618 .input = { 619 { 0, "Composite 1" }, 620 { 1, "Composite 2" }, 621 { 2, "Composite 3" }, 622 { 4, "Composite 4" }, 623 { 5, "Composite 5" }, 624 { 6, "Composite 6" }, 625 { 8, "S-Video 1" }, 626 { 9, "S-Video 2" }, 627 {10, "S-Video 3" }, 628 {15, "YCbCr" } 629 }, 630 .norms = V4L2_STD_NTSC | V4L2_STD_PAL, 631 .tvn = { 632 &f50ccir601_avs6eyes, 633 &f60ccir601_avs6eyes, 634 NULL 635 }, 636 .jpeg_int = ZR36057_ISR_GIRQ1, 637 .vsync_int = ZR36057_ISR_GIRQ0, 638 .gpio = { 1, 0, 3, -1, -1, -1, -1, -1 },// Validity unknown /Sam 639 .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, // Validity unknown /Sam 640 .gpcs = { 3, 1 }, // Validity unknown /Sam 641 .vfe_pol = { 1, 0, 0, 0, 0, 1, 0, 0 }, // Validity unknown /Sam 642 .gws_not_connected = 1, 643 .input_mux = 1, 644 .init = &avs6eyes_init, 645 } 646 647 }; 648 649 /* 650 * I2C functions 651 */ 652 /* software I2C functions */ 653 static int zoran_i2c_getsda(void *data) 654 { 655 struct zoran *zr = (struct zoran *)data; 656 657 return (btread(ZR36057_I2CBR) >> 1) & 1; 658 } 659 660 static int zoran_i2c_getscl(void *data) 661 { 662 struct zoran *zr = (struct zoran *)data; 663 664 return btread(ZR36057_I2CBR) & 1; 665 } 666 667 static void zoran_i2c_setsda(void *data, int state) 668 { 669 struct zoran *zr = (struct zoran *)data; 670 671 if (state) 672 zr->i2cbr |= 2; 673 else 674 zr->i2cbr &= ~2; 675 btwrite(zr->i2cbr, ZR36057_I2CBR); 676 } 677 678 static void zoran_i2c_setscl(void *data, int state) 679 { 680 struct zoran *zr = (struct zoran *)data; 681 682 if (state) 683 zr->i2cbr |= 1; 684 else 685 zr->i2cbr &= ~1; 686 btwrite(zr->i2cbr, ZR36057_I2CBR); 687 } 688 689 static const struct i2c_algo_bit_data zoran_i2c_bit_data_template = { 690 .setsda = zoran_i2c_setsda, 691 .setscl = zoran_i2c_setscl, 692 .getsda = zoran_i2c_getsda, 693 .getscl = zoran_i2c_getscl, 694 .udelay = 10, 695 .timeout = 100, 696 }; 697 698 static int zoran_register_i2c(struct zoran *zr) 699 { 700 zr->i2c_algo = zoran_i2c_bit_data_template; 701 zr->i2c_algo.data = zr; 702 strscpy(zr->i2c_adapter.name, ZR_DEVNAME(zr), 703 sizeof(zr->i2c_adapter.name)); 704 i2c_set_adapdata(&zr->i2c_adapter, &zr->v4l2_dev); 705 zr->i2c_adapter.algo_data = &zr->i2c_algo; 706 zr->i2c_adapter.dev.parent = &zr->pci_dev->dev; 707 return i2c_bit_add_bus(&zr->i2c_adapter); 708 } 709 710 static void zoran_unregister_i2c(struct zoran *zr) 711 { 712 i2c_del_adapter(&zr->i2c_adapter); 713 } 714 715 /* Check a zoran_params struct for correctness, insert default params */ 716 int zoran_check_jpg_settings(struct zoran *zr, 717 struct zoran_jpg_settings *settings, int try) 718 { 719 int err = 0, err0 = 0; 720 721 pci_dbg(zr->pci_dev, "%s - dec: %d, Hdcm: %d, Vdcm: %d, Tdcm: %d\n", 722 __func__, settings->decimation, settings->hor_dcm, 723 settings->ver_dcm, settings->tmp_dcm); 724 pci_dbg(zr->pci_dev, "%s - x: %d, y: %d, w: %d, y: %d\n", __func__, 725 settings->img_x, settings->img_y, 726 settings->img_width, settings->img_height); 727 /* Check decimation, set default values for decimation = 1, 2, 4 */ 728 switch (settings->decimation) { 729 case 1: 730 731 settings->hor_dcm = 1; 732 settings->ver_dcm = 1; 733 settings->tmp_dcm = 1; 734 settings->field_per_buff = 2; 735 settings->img_x = 0; 736 settings->img_y = 0; 737 settings->img_width = BUZ_MAX_WIDTH; 738 settings->img_height = BUZ_MAX_HEIGHT / 2; 739 break; 740 case 2: 741 742 settings->hor_dcm = 2; 743 settings->ver_dcm = 1; 744 settings->tmp_dcm = 2; 745 settings->field_per_buff = 1; 746 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0; 747 settings->img_y = 0; 748 settings->img_width = 749 (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH; 750 settings->img_height = BUZ_MAX_HEIGHT / 2; 751 break; 752 case 4: 753 754 if (zr->card.type == DC10_NEW) { 755 pci_dbg(zr->pci_dev, 756 "%s - HDec by 4 is not supported on the DC10\n", 757 __func__); 758 err0++; 759 break; 760 } 761 762 settings->hor_dcm = 4; 763 settings->ver_dcm = 2; 764 settings->tmp_dcm = 2; 765 settings->field_per_buff = 1; 766 settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0; 767 settings->img_y = 0; 768 settings->img_width = 769 (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH; 770 settings->img_height = BUZ_MAX_HEIGHT / 2; 771 break; 772 case 0: 773 774 /* We have to check the data the user has set */ 775 776 if (settings->hor_dcm != 1 && settings->hor_dcm != 2 && 777 (zr->card.type == DC10_NEW || settings->hor_dcm != 4)) { 778 settings->hor_dcm = clamp(settings->hor_dcm, 1, 2); 779 err0++; 780 } 781 if (settings->ver_dcm != 1 && settings->ver_dcm != 2) { 782 settings->ver_dcm = clamp(settings->ver_dcm, 1, 2); 783 err0++; 784 } 785 if (settings->tmp_dcm != 1 && settings->tmp_dcm != 2) { 786 settings->tmp_dcm = clamp(settings->tmp_dcm, 1, 2); 787 err0++; 788 } 789 if (settings->field_per_buff != 1 && 790 settings->field_per_buff != 2) { 791 settings->field_per_buff = clamp(settings->field_per_buff, 1, 2); 792 err0++; 793 } 794 if (settings->img_x < 0) { 795 settings->img_x = 0; 796 err0++; 797 } 798 if (settings->img_y < 0) { 799 settings->img_y = 0; 800 err0++; 801 } 802 if (settings->img_width < 0 || settings->img_width > BUZ_MAX_WIDTH) { 803 settings->img_width = clamp(settings->img_width, 0, (int)BUZ_MAX_WIDTH); 804 err0++; 805 } 806 if (settings->img_height < 0 || settings->img_height > BUZ_MAX_HEIGHT / 2) { 807 settings->img_height = clamp(settings->img_height, 0, BUZ_MAX_HEIGHT / 2); 808 err0++; 809 } 810 if (settings->img_x + settings->img_width > BUZ_MAX_WIDTH) { 811 settings->img_x = BUZ_MAX_WIDTH - settings->img_width; 812 err0++; 813 } 814 if (settings->img_y + settings->img_height > BUZ_MAX_HEIGHT / 2) { 815 settings->img_y = BUZ_MAX_HEIGHT / 2 - settings->img_height; 816 err0++; 817 } 818 if (settings->img_width % (16 * settings->hor_dcm) != 0) { 819 settings->img_width -= settings->img_width % (16 * settings->hor_dcm); 820 if (settings->img_width == 0) 821 settings->img_width = 16 * settings->hor_dcm; 822 err0++; 823 } 824 if (settings->img_height % (8 * settings->ver_dcm) != 0) { 825 settings->img_height -= settings->img_height % (8 * settings->ver_dcm); 826 if (settings->img_height == 0) 827 settings->img_height = 8 * settings->ver_dcm; 828 err0++; 829 } 830 831 if (!try && err0) { 832 pci_err(zr->pci_dev, "%s - error in params for decimation = 0\n", __func__); 833 err++; 834 } 835 break; 836 default: 837 pci_err(zr->pci_dev, "%s - decimation = %d, must be 0, 1, 2 or 4\n", 838 __func__, settings->decimation); 839 err++; 840 break; 841 } 842 843 if (settings->jpg_comp.quality > 100) 844 settings->jpg_comp.quality = 100; 845 if (settings->jpg_comp.quality < 5) 846 settings->jpg_comp.quality = 5; 847 if (settings->jpg_comp.APPn < 0) 848 settings->jpg_comp.APPn = 0; 849 if (settings->jpg_comp.APPn > 15) 850 settings->jpg_comp.APPn = 15; 851 if (settings->jpg_comp.APP_len < 0) 852 settings->jpg_comp.APP_len = 0; 853 if (settings->jpg_comp.APP_len > 60) 854 settings->jpg_comp.APP_len = 60; 855 if (settings->jpg_comp.COM_len < 0) 856 settings->jpg_comp.COM_len = 0; 857 if (settings->jpg_comp.COM_len > 60) 858 settings->jpg_comp.COM_len = 60; 859 if (err) 860 return -EINVAL; 861 return 0; 862 } 863 864 static int zoran_init_video_device(struct zoran *zr, struct video_device *video_dev, int dir) 865 { 866 int err; 867 868 /* Now add the template and register the device unit. */ 869 *video_dev = zoran_template; 870 video_dev->v4l2_dev = &zr->v4l2_dev; 871 video_dev->lock = &zr->lock; 872 video_dev->device_caps = V4L2_CAP_STREAMING | dir; 873 874 strscpy(video_dev->name, ZR_DEVNAME(zr), sizeof(video_dev->name)); 875 video_dev->vfl_dir = VFL_DIR_RX; 876 zoran_queue_init(zr, &zr->vq, V4L2_BUF_TYPE_VIDEO_CAPTURE); 877 878 err = video_register_device(video_dev, VFL_TYPE_VIDEO, video_nr[zr->id]); 879 if (err < 0) 880 return err; 881 video_set_drvdata(video_dev, zr); 882 return 0; 883 } 884 885 static void zoran_exit_video_devices(struct zoran *zr) 886 { 887 video_unregister_device(zr->video_dev); 888 kfree(zr->video_dev); 889 } 890 891 static int zoran_init_video_devices(struct zoran *zr) 892 { 893 int err; 894 895 zr->video_dev = video_device_alloc(); 896 if (!zr->video_dev) 897 return -ENOMEM; 898 899 err = zoran_init_video_device(zr, zr->video_dev, V4L2_CAP_VIDEO_CAPTURE); 900 if (err) 901 kfree(zr->video_dev); 902 return err; 903 } 904 905 /* 906 * v4l2_device_unregister() will care about removing zr->encoder/zr->decoder 907 * via v4l2_i2c_subdev_unregister() 908 */ 909 static int zoran_i2c_init(struct zoran *zr) 910 { 911 int err; 912 913 pci_info(zr->pci_dev, "Initializing i2c bus...\n"); 914 915 err = zoran_register_i2c(zr); 916 if (err) { 917 pci_err(zr->pci_dev, "%s - cannot initialize i2c bus\n", __func__); 918 return err; 919 } 920 921 zr->decoder = v4l2_i2c_new_subdev(&zr->v4l2_dev, &zr->i2c_adapter, 922 zr->card.i2c_decoder, 0, 923 zr->card.addrs_decoder); 924 if (!zr->decoder) { 925 pci_err(zr->pci_dev, "Fail to get decoder %s\n", zr->card.i2c_decoder); 926 err = -EINVAL; 927 goto error_decoder; 928 } 929 930 if (zr->card.i2c_encoder) { 931 zr->encoder = v4l2_i2c_new_subdev(&zr->v4l2_dev, &zr->i2c_adapter, 932 zr->card.i2c_encoder, 0, 933 zr->card.addrs_encoder); 934 if (!zr->encoder) { 935 pci_err(zr->pci_dev, "Fail to get encoder %s\n", zr->card.i2c_encoder); 936 err = -EINVAL; 937 goto error_decoder; 938 } 939 } 940 return 0; 941 942 error_decoder: 943 zoran_unregister_i2c(zr); 944 return err; 945 } 946 947 static void zoran_i2c_exit(struct zoran *zr) 948 { 949 zoran_unregister_i2c(zr); 950 } 951 952 void zoran_open_init_params(struct zoran *zr) 953 { 954 int i; 955 956 zr->v4l_settings.width = 192; 957 zr->v4l_settings.height = 144; 958 zr->v4l_settings.format = &zoran_formats[7]; /* YUY2 - YUV-4:2:2 packed */ 959 zr->v4l_settings.bytesperline = zr->v4l_settings.width * 960 ((zr->v4l_settings.format->depth + 7) / 8); 961 962 /* Set necessary params and call zoran_check_jpg_settings to set the defaults */ 963 zr->jpg_settings.decimation = 1; 964 zr->jpg_settings.jpg_comp.quality = 50; /* default compression factor 8 */ 965 if (zr->card.type != BUZ) 966 zr->jpg_settings.odd_even = 1; 967 else 968 zr->jpg_settings.odd_even = 0; 969 zr->jpg_settings.jpg_comp.APPn = 0; 970 zr->jpg_settings.jpg_comp.APP_len = 0; /* No APPn marker */ 971 memset(zr->jpg_settings.jpg_comp.APP_data, 0, 972 sizeof(zr->jpg_settings.jpg_comp.APP_data)); 973 zr->jpg_settings.jpg_comp.COM_len = 0; /* No COM marker */ 974 memset(zr->jpg_settings.jpg_comp.COM_data, 0, 975 sizeof(zr->jpg_settings.jpg_comp.COM_data)); 976 zr->jpg_settings.jpg_comp.jpeg_markers = 977 V4L2_JPEG_MARKER_DHT | V4L2_JPEG_MARKER_DQT; 978 i = zoran_check_jpg_settings(zr, &zr->jpg_settings, 0); 979 if (i) 980 pci_err(zr->pci_dev, "%s internal error\n", __func__); 981 982 zr->buffer_size = zr->v4l_settings.bytesperline * zr->v4l_settings.height; 983 984 clear_interrupt_counters(zr); 985 } 986 987 static int zr36057_init(struct zoran *zr) 988 { 989 int j, err; 990 991 pci_info(zr->pci_dev, "initializing card[%d]\n", zr->id); 992 993 /* Avoid nonsense settings from user for default input/norm */ 994 if (default_norm < 0 || default_norm > 2) 995 default_norm = 0; 996 if (default_norm == 0) { 997 zr->norm = V4L2_STD_PAL; 998 zr->timing = zr->card.tvn[ZR_NORM_PAL]; 999 } else if (default_norm == 1) { 1000 zr->norm = V4L2_STD_NTSC; 1001 zr->timing = zr->card.tvn[ZR_NORM_NTSC]; 1002 } else { 1003 zr->norm = V4L2_STD_SECAM; 1004 zr->timing = zr->card.tvn[ZR_NORM_SECAM]; 1005 } 1006 if (!zr->timing) { 1007 pci_warn(zr->pci_dev, 1008 "%s - default TV standard not supported by hardware. PAL will be used.\n", 1009 __func__); 1010 zr->norm = V4L2_STD_PAL; 1011 zr->timing = zr->card.tvn[ZR_NORM_PAL]; 1012 } 1013 1014 if (default_input > zr->card.inputs - 1) { 1015 pci_warn(zr->pci_dev, "default_input value %d out of range (0-%d)\n", 1016 default_input, zr->card.inputs - 1); 1017 default_input = 0; 1018 } 1019 zr->input = default_input; 1020 1021 /* default setup (will be repeated at every open) */ 1022 zoran_open_init_params(zr); 1023 1024 /* allocate memory *before* doing anything to the hardware in case allocation fails */ 1025 zr->stat_com = dma_alloc_coherent(&zr->pci_dev->dev, 1026 BUZ_NUM_STAT_COM * sizeof(u32), 1027 &zr->p_sc, GFP_KERNEL); 1028 if (!zr->stat_com) 1029 return -ENOMEM; 1030 1031 for (j = 0; j < BUZ_NUM_STAT_COM; j++) 1032 zr->stat_com[j] = cpu_to_le32(1); /* mark as unavailable to zr36057 */ 1033 1034 zr->stat_comb = dma_alloc_coherent(&zr->pci_dev->dev, 1035 BUZ_NUM_STAT_COM * sizeof(u32) * 2, 1036 &zr->p_scb, GFP_KERNEL); 1037 if (!zr->stat_comb) { 1038 err = -ENOMEM; 1039 goto exit_statcom; 1040 } 1041 1042 err = zoran_init_video_devices(zr); 1043 if (err) 1044 goto exit_statcomb; 1045 1046 zoran_init_hardware(zr); 1047 if (!pass_through) { 1048 decoder_call(zr, video, s_stream, 0); 1049 encoder_call(zr, video, s_routing, 2, 0, 0); 1050 } 1051 1052 zr->initialized = 1; 1053 return 0; 1054 1055 exit_statcomb: 1056 dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32) * 2, 1057 zr->stat_comb, zr->p_scb); 1058 exit_statcom: 1059 dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32), 1060 zr->stat_com, zr->p_sc); 1061 return err; 1062 } 1063 1064 static void zoran_remove(struct pci_dev *pdev) 1065 { 1066 struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev); 1067 struct zoran *zr = to_zoran(v4l2_dev); 1068 1069 if (!zr->initialized) 1070 goto exit_free; 1071 1072 debugfs_remove_recursive(zr->dbgfs_dir); 1073 1074 zoran_queue_exit(zr); 1075 1076 /* unregister videocodec bus */ 1077 if (zr->codec) 1078 videocodec_detach(zr->codec); 1079 if (zr->vfe) 1080 videocodec_detach(zr->vfe); 1081 videocodec_exit(zr); 1082 1083 /* unregister i2c bus */ 1084 zoran_i2c_exit(zr); 1085 /* disable PCI bus-mastering */ 1086 zoran_set_pci_master(zr, 0); 1087 /* put chip into reset */ 1088 btwrite(0, ZR36057_SPGPPCR); 1089 pci_free_irq(zr->pci_dev, 0, zr); 1090 /* unmap and free memory */ 1091 dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32), 1092 zr->stat_com, zr->p_sc); 1093 dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32) * 2, 1094 zr->stat_comb, zr->p_scb); 1095 pci_release_regions(pdev); 1096 pci_disable_device(zr->pci_dev); 1097 zoran_exit_video_devices(zr); 1098 exit_free: 1099 v4l2_ctrl_handler_free(&zr->hdl); 1100 v4l2_device_unregister(&zr->v4l2_dev); 1101 } 1102 1103 void zoran_vdev_release(struct video_device *vdev) 1104 { 1105 kfree(vdev); 1106 } 1107 1108 static struct videocodec_master *zoran_setup_videocodec(struct zoran *zr, 1109 int type) 1110 { 1111 struct videocodec_master *m = NULL; 1112 1113 m = devm_kmalloc(&zr->pci_dev->dev, sizeof(*m), GFP_KERNEL); 1114 if (!m) 1115 return m; 1116 1117 /* 1118 * magic and type are unused for master struct. Makes sense only at codec structs. 1119 * In the past, .type were initialized to the old V4L1 .hardware value, 1120 * as VID_HARDWARE_ZR36067 1121 */ 1122 m->magic = 0L; 1123 m->type = 0; 1124 1125 m->flags = CODEC_FLAG_ENCODER | CODEC_FLAG_DECODER; 1126 strscpy(m->name, ZR_DEVNAME(zr), sizeof(m->name)); 1127 m->data = zr; 1128 1129 switch (type) { 1130 case CODEC_TYPE_ZR36060: 1131 m->readreg = zr36060_read; 1132 m->writereg = zr36060_write; 1133 m->flags |= CODEC_FLAG_JPEG | CODEC_FLAG_VFE; 1134 break; 1135 case CODEC_TYPE_ZR36050: 1136 m->readreg = zr36050_read; 1137 m->writereg = zr36050_write; 1138 m->flags |= CODEC_FLAG_JPEG; 1139 break; 1140 case CODEC_TYPE_ZR36016: 1141 m->readreg = zr36016_read; 1142 m->writereg = zr36016_write; 1143 m->flags |= CODEC_FLAG_VFE; 1144 break; 1145 } 1146 1147 return m; 1148 } 1149 1150 static void zoran_subdev_notify(struct v4l2_subdev *sd, unsigned int cmd, void *arg) 1151 { 1152 struct zoran *zr = to_zoran(sd->v4l2_dev); 1153 1154 /* 1155 * Bt819 needs to reset its FIFO buffer using #FRST pin and 1156 * LML33 card uses GPIO(7) for that. 1157 */ 1158 if (cmd == BT819_FIFO_RESET_LOW) 1159 GPIO(zr, 7, 0); 1160 else if (cmd == BT819_FIFO_RESET_HIGH) 1161 GPIO(zr, 7, 1); 1162 } 1163 1164 static int zoran_video_set_ctrl(struct v4l2_ctrl *ctrl) 1165 { 1166 struct zoran *zr = container_of(ctrl->handler, struct zoran, hdl); 1167 1168 switch (ctrl->id) { 1169 case V4L2_CID_JPEG_COMPRESSION_QUALITY: 1170 zr->jpg_settings.jpg_comp.quality = ctrl->val; 1171 return zoran_check_jpg_settings(zr, &zr->jpg_settings, 0); 1172 default: 1173 return -EINVAL; 1174 } 1175 1176 return 0; 1177 } 1178 1179 static const struct v4l2_ctrl_ops zoran_video_ctrl_ops = { 1180 .s_ctrl = zoran_video_set_ctrl, 1181 }; 1182 1183 static int zoran_debugfs_show(struct seq_file *seq, void *v) 1184 { 1185 struct zoran *zr = seq->private; 1186 1187 seq_printf(seq, "Running mode %x\n", zr->running); 1188 seq_printf(seq, "Codec mode %x\n", zr->codec_mode); 1189 seq_printf(seq, "Norm %llx\n", zr->norm); 1190 seq_printf(seq, "Input %d\n", zr->input); 1191 seq_printf(seq, "Buffersize %d\n", zr->buffer_size); 1192 1193 seq_printf(seq, "V4L width %dx%d\n", zr->v4l_settings.width, zr->v4l_settings.height); 1194 seq_printf(seq, "V4L bytesperline %d\n", zr->v4l_settings.bytesperline); 1195 1196 seq_printf(seq, "JPG decimation %u\n", zr->jpg_settings.decimation); 1197 seq_printf(seq, "JPG hor_dcm %u\n", zr->jpg_settings.hor_dcm); 1198 seq_printf(seq, "JPG ver_dcm %u\n", zr->jpg_settings.ver_dcm); 1199 seq_printf(seq, "JPG tmp_dcm %u\n", zr->jpg_settings.tmp_dcm); 1200 seq_printf(seq, "JPG odd_even %u\n", zr->jpg_settings.odd_even); 1201 seq_printf(seq, "JPG crop (%d,%d)/%dx%d\n", 1202 zr->jpg_settings.img_x, 1203 zr->jpg_settings.img_y, 1204 zr->jpg_settings.img_width, 1205 zr->jpg_settings.img_height); 1206 1207 seq_printf(seq, "Prepared %u\n", zr->prepared); 1208 seq_printf(seq, "Queued %u\n", zr->queued); 1209 1210 videocodec_debugfs_show(seq); 1211 return 0; 1212 } 1213 1214 DEFINE_SHOW_ATTRIBUTE(zoran_debugfs); 1215 1216 /* 1217 * Scan for a Buz card (actually for the PCI controller ZR36057), 1218 * request the irq and map the io memory 1219 */ 1220 static int zoran_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 1221 { 1222 unsigned char latency, need_latency; 1223 struct zoran *zr; 1224 int result; 1225 struct videocodec_master *master_vfe = NULL; 1226 struct videocodec_master *master_codec = NULL; 1227 int card_num; 1228 unsigned int nr; 1229 int err; 1230 1231 pci_info(pdev, "Zoran MJPEG board driver version %s\n", ZORAN_VERSION); 1232 1233 /* some mainboards might not do PCI-PCI data transfer well */ 1234 if (pci_pci_problems & (PCIPCI_FAIL | PCIAGP_FAIL | PCIPCI_ALIMAGIK)) 1235 pci_warn(pdev, "%s: chipset does not support reliable PCI-PCI DMA\n", 1236 ZORAN_NAME); 1237 1238 err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); 1239 if (err) 1240 return err; 1241 err = vb2_dma_contig_set_max_seg_size(&pdev->dev, U32_MAX); 1242 if (err) 1243 return err; 1244 1245 nr = zoran_num++; 1246 if (nr >= BUZ_MAX) { 1247 pci_err(pdev, "driver limited to %d card(s) maximum\n", BUZ_MAX); 1248 return -ENOENT; 1249 } 1250 1251 zr = devm_kzalloc(&pdev->dev, sizeof(*zr), GFP_KERNEL); 1252 if (!zr) 1253 return -ENOMEM; 1254 1255 zr->v4l2_dev.notify = zoran_subdev_notify; 1256 if (v4l2_device_register(&pdev->dev, &zr->v4l2_dev)) 1257 goto zr_free_mem; 1258 zr->pci_dev = pdev; 1259 zr->id = nr; 1260 snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%u]", zr->id); 1261 if (v4l2_ctrl_handler_init(&zr->hdl, 10)) 1262 goto zr_unreg; 1263 zr->v4l2_dev.ctrl_handler = &zr->hdl; 1264 v4l2_ctrl_new_std(&zr->hdl, &zoran_video_ctrl_ops, 1265 V4L2_CID_JPEG_COMPRESSION_QUALITY, 0, 1266 100, 1, 50); 1267 spin_lock_init(&zr->spinlock); 1268 mutex_init(&zr->lock); 1269 if (pci_enable_device(pdev)) 1270 goto zr_unreg; 1271 zr->revision = zr->pci_dev->revision; 1272 1273 pci_info(zr->pci_dev, "Zoran ZR360%c7 (rev %d), irq: %d, memory: 0x%08llx\n", 1274 zr->revision < 2 ? '5' : '6', zr->revision, 1275 zr->pci_dev->irq, (uint64_t)pci_resource_start(zr->pci_dev, 0)); 1276 if (zr->revision >= 2) 1277 pci_info(zr->pci_dev, "Subsystem vendor=0x%04x id=0x%04x\n", 1278 zr->pci_dev->subsystem_vendor, zr->pci_dev->subsystem_device); 1279 1280 /* Use auto-detected card type? */ 1281 if (card[nr] == -1) { 1282 if (zr->revision < 2) { 1283 pci_err(pdev, "No card type specified, please use the card=X module parameter\n"); 1284 pci_err(pdev, "It is not possible to auto-detect ZR36057 based cards\n"); 1285 goto zr_unreg; 1286 } 1287 1288 card_num = ent->driver_data; 1289 if (card_num >= NUM_CARDS) { 1290 pci_err(pdev, "Unknown card, try specifying card=X module parameter\n"); 1291 goto zr_unreg; 1292 } 1293 pci_info(zr->pci_dev, "%s() - card %s detected\n", __func__, 1294 zoran_cards[card_num].name); 1295 } else { 1296 card_num = card[nr]; 1297 if (card_num >= NUM_CARDS || card_num < 0) { 1298 pci_err(pdev, "User specified card type %d out of range (0 .. %d)\n", 1299 card_num, NUM_CARDS - 1); 1300 goto zr_unreg; 1301 } 1302 } 1303 1304 /* 1305 * even though we make this a non pointer and thus 1306 * theoretically allow for making changes to this struct 1307 * on a per-individual card basis at runtime, this is 1308 * strongly discouraged. This structure is intended to 1309 * keep general card information, no settings or anything 1310 */ 1311 zr->card = zoran_cards[card_num]; 1312 snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "%s[%u]", 1313 zr->card.name, zr->id); 1314 1315 err = pci_request_regions(pdev, ZR_DEVNAME(zr)); 1316 if (err) 1317 goto zr_unreg; 1318 1319 zr->zr36057_mem = devm_ioremap(&pdev->dev, pci_resource_start(pdev, 0), 1320 pci_resource_len(pdev, 0)); 1321 if (!zr->zr36057_mem) { 1322 pci_err(pdev, "%s() - ioremap failed\n", __func__); 1323 goto zr_pci_release; 1324 } 1325 1326 result = pci_request_irq(pdev, 0, zoran_irq, NULL, zr, ZR_DEVNAME(zr)); 1327 if (result < 0) { 1328 if (result == -EINVAL) { 1329 pci_err(pdev, "%s - bad IRQ number or handler\n", __func__); 1330 } else if (result == -EBUSY) { 1331 pci_err(pdev, "%s - IRQ %d busy, change your PnP config in BIOS\n", 1332 __func__, zr->pci_dev->irq); 1333 } else { 1334 pci_err(pdev, "%s - cannot assign IRQ, error code %d\n", __func__, result); 1335 } 1336 goto zr_pci_release; 1337 } 1338 1339 /* set PCI latency timer */ 1340 pci_read_config_byte(zr->pci_dev, PCI_LATENCY_TIMER, 1341 &latency); 1342 need_latency = zr->revision > 1 ? 32 : 48; 1343 if (latency != need_latency) { 1344 pci_info(zr->pci_dev, "Changing PCI latency from %d to %d\n", 1345 latency, need_latency); 1346 pci_write_config_byte(zr->pci_dev, PCI_LATENCY_TIMER, need_latency); 1347 } 1348 1349 zr36057_restart(zr); 1350 1351 err = zoran_i2c_init(zr); 1352 if (err) 1353 goto zr_free_irq; 1354 1355 pci_info(zr->pci_dev, "Initializing videocodec bus...\n"); 1356 err = videocodec_init(zr); 1357 if (err) 1358 goto zr_unreg_i2c; 1359 1360 /* reset JPEG codec */ 1361 jpeg_codec_sleep(zr, 1); 1362 jpeg_codec_reset(zr); 1363 /* video bus enabled */ 1364 /* display codec revision */ 1365 if (zr->card.video_codec != 0) { 1366 master_codec = zoran_setup_videocodec(zr, zr->card.video_codec); 1367 if (!master_codec) 1368 goto zr_unreg_videocodec; 1369 zr->codec = videocodec_attach(master_codec); 1370 if (!zr->codec) { 1371 pci_err(pdev, "%s - no codec found\n", __func__); 1372 goto zr_unreg_videocodec; 1373 } 1374 if (zr->codec->type != zr->card.video_codec) { 1375 pci_err(pdev, "%s - wrong codec\n", __func__); 1376 goto zr_unreg_videocodec; 1377 } 1378 } 1379 if (zr->card.video_vfe != 0) { 1380 master_vfe = zoran_setup_videocodec(zr, zr->card.video_vfe); 1381 if (!master_vfe) 1382 goto zr_detach_codec; 1383 zr->vfe = videocodec_attach(master_vfe); 1384 if (!zr->vfe) { 1385 pci_err(pdev, "%s - no VFE found\n", __func__); 1386 goto zr_detach_codec; 1387 } 1388 if (zr->vfe->type != zr->card.video_vfe) { 1389 pci_err(pdev, "%s = wrong VFE\n", __func__); 1390 goto zr_detach_vfe; 1391 } 1392 } 1393 1394 /* take care of Natoma chipset and a revision 1 zr36057 */ 1395 if ((pci_pci_problems & PCIPCI_NATOMA) && zr->revision <= 1) 1396 pci_info(zr->pci_dev, "ZR36057/Natoma bug, max. buffer size is 128K\n"); 1397 1398 if (zr36057_init(zr) < 0) 1399 goto zr_detach_vfe; 1400 1401 zr->map_mode = ZORAN_MAP_MODE_RAW; 1402 1403 zr->dbgfs_dir = debugfs_create_dir(ZR_DEVNAME(zr), NULL); 1404 debugfs_create_file("debug", 0444, zr->dbgfs_dir, zr, 1405 &zoran_debugfs_fops); 1406 return 0; 1407 1408 zr_detach_vfe: 1409 videocodec_detach(zr->vfe); 1410 zr_detach_codec: 1411 videocodec_detach(zr->codec); 1412 zr_unreg_videocodec: 1413 videocodec_exit(zr); 1414 zr_unreg_i2c: 1415 zoran_i2c_exit(zr); 1416 zr_free_irq: 1417 btwrite(0, ZR36057_SPGPPCR); 1418 pci_free_irq(zr->pci_dev, 0, zr); 1419 zr_pci_release: 1420 pci_release_regions(pdev); 1421 zr_unreg: 1422 v4l2_ctrl_handler_free(&zr->hdl); 1423 v4l2_device_unregister(&zr->v4l2_dev); 1424 zr_free_mem: 1425 1426 return -ENODEV; 1427 } 1428 1429 static struct pci_driver zoran_driver = { 1430 .name = "zr36067", 1431 .id_table = zr36067_pci_tbl, 1432 .probe = zoran_probe, 1433 .remove = zoran_remove, 1434 }; 1435 1436 module_pci_driver(zoran_driver); 1437