1 /* 2 * cx18 driver initialization and card probing 3 * 4 * Derived from ivtv-driver.c 5 * 6 * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> 7 * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 */ 19 20 #include "cx18-driver.h" 21 #include "cx18-io.h" 22 #include "cx18-version.h" 23 #include "cx18-cards.h" 24 #include "cx18-i2c.h" 25 #include "cx18-irq.h" 26 #include "cx18-gpio.h" 27 #include "cx18-firmware.h" 28 #include "cx18-queue.h" 29 #include "cx18-streams.h" 30 #include "cx18-av-core.h" 31 #include "cx18-scb.h" 32 #include "cx18-mailbox.h" 33 #include "cx18-ioctl.h" 34 #include "cx18-controls.h" 35 #include "tuner-xc2028.h" 36 #include <linux/dma-mapping.h> 37 #include <media/tveeprom.h> 38 39 /* If you have already X v4l cards, then set this to X. This way 40 the device numbers stay matched. Example: you have a WinTV card 41 without radio and a Compro H900 with. Normally this would give a 42 video1 device together with a radio0 device for the Compro. By 43 setting this to 1 you ensure that radio0 is now also radio1. */ 44 int cx18_first_minor; 45 46 /* Callback for registering extensions */ 47 int (*cx18_ext_init)(struct cx18 *); 48 EXPORT_SYMBOL(cx18_ext_init); 49 50 /* add your revision and whatnot here */ 51 static const struct pci_device_id cx18_pci_tbl[] = { 52 {PCI_VENDOR_ID_CX, PCI_DEVICE_ID_CX23418, 53 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, 54 {0,} 55 }; 56 57 MODULE_DEVICE_TABLE(pci, cx18_pci_tbl); 58 59 static atomic_t cx18_instance = ATOMIC_INIT(0); 60 61 /* Parameter declarations */ 62 static int cardtype[CX18_MAX_CARDS]; 63 static int tuner[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1, 64 -1, -1, -1, -1, -1, -1, -1, -1, 65 -1, -1, -1, -1, -1, -1, -1, -1, 66 -1, -1, -1, -1, -1, -1, -1, -1 }; 67 static int radio[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1, 68 -1, -1, -1, -1, -1, -1, -1, -1, 69 -1, -1, -1, -1, -1, -1, -1, -1, 70 -1, -1, -1, -1, -1, -1, -1, -1 }; 71 static unsigned cardtype_c = 1; 72 static unsigned tuner_c = 1; 73 static unsigned radio_c = 1; 74 static char pal[] = "--"; 75 static char secam[] = "--"; 76 static char ntsc[] = "-"; 77 78 /* Buffers */ 79 static int enc_ts_buffers = CX18_DEFAULT_ENC_TS_BUFFERS; 80 static int enc_mpg_buffers = CX18_DEFAULT_ENC_MPG_BUFFERS; 81 static int enc_idx_buffers = CX18_DEFAULT_ENC_IDX_BUFFERS; 82 static int enc_yuv_buffers = CX18_DEFAULT_ENC_YUV_BUFFERS; 83 static int enc_vbi_buffers = CX18_DEFAULT_ENC_VBI_BUFFERS; 84 static int enc_pcm_buffers = CX18_DEFAULT_ENC_PCM_BUFFERS; 85 86 static int enc_ts_bufsize = CX18_DEFAULT_ENC_TS_BUFSIZE; 87 static int enc_mpg_bufsize = CX18_DEFAULT_ENC_MPG_BUFSIZE; 88 static int enc_idx_bufsize = CX18_DEFAULT_ENC_IDX_BUFSIZE; 89 static int enc_yuv_bufsize = CX18_DEFAULT_ENC_YUV_BUFSIZE; 90 static int enc_pcm_bufsize = CX18_DEFAULT_ENC_PCM_BUFSIZE; 91 92 static int enc_ts_bufs = -1; 93 static int enc_mpg_bufs = -1; 94 static int enc_idx_bufs = CX18_MAX_FW_MDLS_PER_STREAM; 95 static int enc_yuv_bufs = -1; 96 static int enc_vbi_bufs = -1; 97 static int enc_pcm_bufs = -1; 98 99 100 static int cx18_pci_latency = 1; 101 102 static int mmio_ndelay; 103 static int retry_mmio = 1; 104 105 int cx18_debug; 106 107 module_param_array(tuner, int, &tuner_c, 0644); 108 module_param_array(radio, int, &radio_c, 0644); 109 module_param_array(cardtype, int, &cardtype_c, 0644); 110 module_param_string(pal, pal, sizeof(pal), 0644); 111 module_param_string(secam, secam, sizeof(secam), 0644); 112 module_param_string(ntsc, ntsc, sizeof(ntsc), 0644); 113 module_param_named(debug, cx18_debug, int, 0644); 114 module_param(mmio_ndelay, int, 0644); 115 module_param(retry_mmio, int, 0644); 116 module_param(cx18_pci_latency, int, 0644); 117 module_param(cx18_first_minor, int, 0644); 118 119 module_param(enc_ts_buffers, int, 0644); 120 module_param(enc_mpg_buffers, int, 0644); 121 module_param(enc_idx_buffers, int, 0644); 122 module_param(enc_yuv_buffers, int, 0644); 123 module_param(enc_vbi_buffers, int, 0644); 124 module_param(enc_pcm_buffers, int, 0644); 125 126 module_param(enc_ts_bufsize, int, 0644); 127 module_param(enc_mpg_bufsize, int, 0644); 128 module_param(enc_idx_bufsize, int, 0644); 129 module_param(enc_yuv_bufsize, int, 0644); 130 module_param(enc_pcm_bufsize, int, 0644); 131 132 module_param(enc_ts_bufs, int, 0644); 133 module_param(enc_mpg_bufs, int, 0644); 134 module_param(enc_idx_bufs, int, 0644); 135 module_param(enc_yuv_bufs, int, 0644); 136 module_param(enc_vbi_bufs, int, 0644); 137 module_param(enc_pcm_bufs, int, 0644); 138 139 MODULE_PARM_DESC(tuner, "Tuner type selection,\n" 140 "\t\t\tsee tuner.h for values"); 141 MODULE_PARM_DESC(radio, 142 "Enable or disable the radio. Use only if autodetection\n" 143 "\t\t\tfails. 0 = disable, 1 = enable"); 144 MODULE_PARM_DESC(cardtype, 145 "Only use this option if your card is not detected properly.\n" 146 "\t\tSpecify card type:\n" 147 "\t\t\t 1 = Hauppauge HVR 1600 (ESMT memory)\n" 148 "\t\t\t 2 = Hauppauge HVR 1600 (Samsung memory)\n" 149 "\t\t\t 3 = Compro VideoMate H900\n" 150 "\t\t\t 4 = Yuan MPC718\n" 151 "\t\t\t 5 = Conexant Raptor PAL/SECAM\n" 152 "\t\t\t 6 = Toshiba Qosmio DVB-T/Analog\n" 153 "\t\t\t 7 = Leadtek WinFast PVR2100\n" 154 "\t\t\t 8 = Leadtek WinFast DVR3100 H\n" 155 "\t\t\t 9 = GoTView PCI DVD3 Hybrid\n" 156 "\t\t\t 10 = Hauppauge HVR 1600 (S5H1411)\n" 157 "\t\t\t 0 = Autodetect (default)\n" 158 "\t\t\t-1 = Ignore this card\n\t\t"); 159 MODULE_PARM_DESC(pal, "Set PAL standard: B, G, H, D, K, I, M, N, Nc, 60"); 160 MODULE_PARM_DESC(secam, "Set SECAM standard: B, G, H, D, K, L, LC"); 161 MODULE_PARM_DESC(ntsc, "Set NTSC standard: M, J, K"); 162 MODULE_PARM_DESC(debug, 163 "Debug level (bitmask). Default: 0\n" 164 "\t\t\t 1/0x0001: warning\n" 165 "\t\t\t 2/0x0002: info\n" 166 "\t\t\t 4/0x0004: mailbox\n" 167 "\t\t\t 8/0x0008: dma\n" 168 "\t\t\t 16/0x0010: ioctl\n" 169 "\t\t\t 32/0x0020: file\n" 170 "\t\t\t 64/0x0040: i2c\n" 171 "\t\t\t128/0x0080: irq\n" 172 "\t\t\t256/0x0100: high volume\n"); 173 MODULE_PARM_DESC(cx18_pci_latency, 174 "Change the PCI latency to 64 if lower: 0 = No, 1 = Yes,\n" 175 "\t\t\tDefault: Yes"); 176 MODULE_PARM_DESC(retry_mmio, 177 "(Deprecated) MMIO writes are now always checked and retried\n" 178 "\t\t\tEffectively: 1 [Yes]"); 179 MODULE_PARM_DESC(mmio_ndelay, 180 "(Deprecated) MMIO accesses are now never purposely delayed\n" 181 "\t\t\tEffectively: 0 ns"); 182 MODULE_PARM_DESC(enc_ts_buffers, 183 "Encoder TS buffer memory (MB). (enc_ts_bufs can override)\n" 184 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_TS_BUFFERS)); 185 MODULE_PARM_DESC(enc_ts_bufsize, 186 "Size of an encoder TS buffer (kB)\n" 187 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_TS_BUFSIZE)); 188 MODULE_PARM_DESC(enc_ts_bufs, 189 "Number of encoder TS buffers\n" 190 "\t\t\tDefault is computed from other enc_ts_* parameters"); 191 MODULE_PARM_DESC(enc_mpg_buffers, 192 "Encoder MPG buffer memory (MB). (enc_mpg_bufs can override)\n" 193 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFFERS)); 194 MODULE_PARM_DESC(enc_mpg_bufsize, 195 "Size of an encoder MPG buffer (kB)\n" 196 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFSIZE)); 197 MODULE_PARM_DESC(enc_mpg_bufs, 198 "Number of encoder MPG buffers\n" 199 "\t\t\tDefault is computed from other enc_mpg_* parameters"); 200 MODULE_PARM_DESC(enc_idx_buffers, 201 "(Deprecated) Encoder IDX buffer memory (MB)\n" 202 "\t\t\tIgnored, except 0 disables IDX buffer allocations\n" 203 "\t\t\tDefault: 1 [Enabled]"); 204 MODULE_PARM_DESC(enc_idx_bufsize, 205 "Size of an encoder IDX buffer (kB)\n" 206 "\t\t\tAllowed values are multiples of 1.5 kB rounded up\n" 207 "\t\t\t(multiples of size required for 64 index entries)\n" 208 "\t\t\tDefault: 2"); 209 MODULE_PARM_DESC(enc_idx_bufs, 210 "Number of encoder IDX buffers\n" 211 "\t\t\tDefault: " __stringify(CX18_MAX_FW_MDLS_PER_STREAM)); 212 MODULE_PARM_DESC(enc_yuv_buffers, 213 "Encoder YUV buffer memory (MB). (enc_yuv_bufs can override)\n" 214 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_YUV_BUFFERS)); 215 MODULE_PARM_DESC(enc_yuv_bufsize, 216 "Size of an encoder YUV buffer (kB)\n" 217 "\t\t\tAllowed values are multiples of 33.75 kB rounded up\n" 218 "\t\t\t(multiples of size required for 32 screen lines)\n" 219 "\t\t\tDefault: 102"); 220 MODULE_PARM_DESC(enc_yuv_bufs, 221 "Number of encoder YUV buffers\n" 222 "\t\t\tDefault is computed from other enc_yuv_* parameters"); 223 MODULE_PARM_DESC(enc_vbi_buffers, 224 "Encoder VBI buffer memory (MB). (enc_vbi_bufs can override)\n" 225 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_VBI_BUFFERS)); 226 MODULE_PARM_DESC(enc_vbi_bufs, 227 "Number of encoder VBI buffers\n" 228 "\t\t\tDefault is computed from enc_vbi_buffers"); 229 MODULE_PARM_DESC(enc_pcm_buffers, 230 "Encoder PCM buffer memory (MB). (enc_pcm_bufs can override)\n" 231 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_PCM_BUFFERS)); 232 MODULE_PARM_DESC(enc_pcm_bufsize, 233 "Size of an encoder PCM buffer (kB)\n" 234 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_PCM_BUFSIZE)); 235 MODULE_PARM_DESC(enc_pcm_bufs, 236 "Number of encoder PCM buffers\n" 237 "\t\t\tDefault is computed from other enc_pcm_* parameters"); 238 239 MODULE_PARM_DESC(cx18_first_minor, 240 "Set device node number assigned to first card"); 241 242 MODULE_AUTHOR("Hans Verkuil"); 243 MODULE_DESCRIPTION("CX23418 driver"); 244 MODULE_SUPPORTED_DEVICE("CX23418 MPEG2 encoder"); 245 MODULE_LICENSE("GPL"); 246 247 MODULE_VERSION(CX18_VERSION); 248 249 #if defined(CONFIG_MODULES) && defined(MODULE) 250 static void request_module_async(struct work_struct *work) 251 { 252 struct cx18 *dev = container_of(work, struct cx18, request_module_wk); 253 254 /* Make sure cx18-alsa module is loaded */ 255 request_module("cx18-alsa"); 256 257 /* Initialize cx18-alsa for this instance of the cx18 device */ 258 if (cx18_ext_init != NULL) 259 cx18_ext_init(dev); 260 } 261 262 static void request_modules(struct cx18 *dev) 263 { 264 INIT_WORK(&dev->request_module_wk, request_module_async); 265 schedule_work(&dev->request_module_wk); 266 } 267 268 static void flush_request_modules(struct cx18 *dev) 269 { 270 flush_work(&dev->request_module_wk); 271 } 272 #else 273 #define request_modules(dev) 274 #define flush_request_modules(dev) 275 #endif /* CONFIG_MODULES */ 276 277 /* Generic utility functions */ 278 int cx18_msleep_timeout(unsigned int msecs, int intr) 279 { 280 long int timeout = msecs_to_jiffies(msecs); 281 int sig; 282 283 do { 284 set_current_state(intr ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE); 285 timeout = schedule_timeout(timeout); 286 sig = intr ? signal_pending(current) : 0; 287 } while (!sig && timeout); 288 return sig; 289 } 290 291 /* Release ioremapped memory */ 292 static void cx18_iounmap(struct cx18 *cx) 293 { 294 if (cx == NULL) 295 return; 296 297 /* Release io memory */ 298 if (cx->enc_mem != NULL) { 299 CX18_DEBUG_INFO("releasing enc_mem\n"); 300 iounmap(cx->enc_mem); 301 cx->enc_mem = NULL; 302 } 303 } 304 305 static void cx18_eeprom_dump(struct cx18 *cx, unsigned char *eedata, int len) 306 { 307 int i; 308 309 CX18_INFO("eeprom dump:\n"); 310 for (i = 0; i < len; i++) { 311 if (0 == (i % 16)) 312 CX18_INFO("eeprom %02x:", i); 313 printk(KERN_CONT " %02x", eedata[i]); 314 if (15 == (i % 16)) 315 printk(KERN_CONT "\n"); 316 } 317 } 318 319 /* Hauppauge card? get values from tveeprom */ 320 void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv) 321 { 322 struct i2c_client *c; 323 u8 eedata[256]; 324 325 memset(tv, 0, sizeof(*tv)); 326 327 c = kzalloc(sizeof(*c), GFP_KERNEL); 328 if (!c) 329 return; 330 331 strlcpy(c->name, "cx18 tveeprom tmp", sizeof(c->name)); 332 c->adapter = &cx->i2c_adap[0]; 333 c->addr = 0xa0 >> 1; 334 335 if (tveeprom_read(c, eedata, sizeof(eedata))) 336 goto ret; 337 338 switch (cx->card->type) { 339 case CX18_CARD_HVR_1600_ESMT: 340 case CX18_CARD_HVR_1600_SAMSUNG: 341 case CX18_CARD_HVR_1600_S5H1411: 342 tveeprom_hauppauge_analog(tv, eedata); 343 break; 344 case CX18_CARD_YUAN_MPC718: 345 case CX18_CARD_GOTVIEW_PCI_DVD3: 346 tv->model = 0x718; 347 cx18_eeprom_dump(cx, eedata, sizeof(eedata)); 348 CX18_INFO("eeprom PCI ID: %02x%02x:%02x%02x\n", 349 eedata[2], eedata[1], eedata[4], eedata[3]); 350 break; 351 default: 352 tv->model = 0xffffffff; 353 cx18_eeprom_dump(cx, eedata, sizeof(eedata)); 354 break; 355 } 356 357 ret: 358 kfree(c); 359 } 360 361 static void cx18_process_eeprom(struct cx18 *cx) 362 { 363 struct tveeprom tv; 364 365 cx18_read_eeprom(cx, &tv); 366 367 /* Many thanks to Steven Toth from Hauppauge for providing the 368 model numbers */ 369 /* Note: the Samsung memory models cannot be reliably determined 370 from the model number. Use the cardtype module option if you 371 have one of these preproduction models. */ 372 switch (tv.model) { 373 case 74301: /* Retail models */ 374 case 74321: 375 case 74351: /* OEM models */ 376 case 74361: 377 /* Digital side is s5h1411/tda18271 */ 378 cx->card = cx18_get_card(CX18_CARD_HVR_1600_S5H1411); 379 break; 380 case 74021: /* Retail models */ 381 case 74031: 382 case 74041: 383 case 74141: 384 case 74541: /* OEM models */ 385 case 74551: 386 case 74591: 387 case 74651: 388 case 74691: 389 case 74751: 390 case 74891: 391 /* Digital side is s5h1409/mxl5005s */ 392 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); 393 break; 394 case 0x718: 395 return; 396 case 0xffffffff: 397 CX18_INFO("Unknown EEPROM encoding\n"); 398 return; 399 case 0: 400 CX18_ERR("Invalid EEPROM\n"); 401 return; 402 default: 403 CX18_ERR("Unknown model %d, defaulting to original HVR-1600 (cardtype=1)\n", 404 tv.model); 405 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); 406 break; 407 } 408 409 cx->v4l2_cap = cx->card->v4l2_capabilities; 410 cx->card_name = cx->card->name; 411 cx->card_i2c = cx->card->i2c; 412 413 CX18_INFO("Autodetected %s\n", cx->card_name); 414 415 if (tv.tuner_type == TUNER_ABSENT) 416 CX18_ERR("tveeprom cannot autodetect tuner!\n"); 417 418 if (cx->options.tuner == -1) 419 cx->options.tuner = tv.tuner_type; 420 if (cx->options.radio == -1) 421 cx->options.radio = (tv.has_radio != 0); 422 423 if (cx->std != 0) 424 /* user specified tuner standard */ 425 return; 426 427 /* autodetect tuner standard */ 428 #define TVEEPROM_TUNER_FORMAT_ALL (V4L2_STD_B | V4L2_STD_GH | \ 429 V4L2_STD_MN | \ 430 V4L2_STD_PAL_I | \ 431 V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC | \ 432 V4L2_STD_DK) 433 if ((tv.tuner_formats & TVEEPROM_TUNER_FORMAT_ALL) 434 == TVEEPROM_TUNER_FORMAT_ALL) { 435 CX18_DEBUG_INFO("Worldwide tuner detected\n"); 436 cx->std = V4L2_STD_ALL; 437 } else if (tv.tuner_formats & V4L2_STD_PAL) { 438 CX18_DEBUG_INFO("PAL tuner detected\n"); 439 cx->std |= V4L2_STD_PAL_BG | V4L2_STD_PAL_H; 440 } else if (tv.tuner_formats & V4L2_STD_NTSC) { 441 CX18_DEBUG_INFO("NTSC tuner detected\n"); 442 cx->std |= V4L2_STD_NTSC_M; 443 } else if (tv.tuner_formats & V4L2_STD_SECAM) { 444 CX18_DEBUG_INFO("SECAM tuner detected\n"); 445 cx->std |= V4L2_STD_SECAM_L; 446 } else { 447 CX18_INFO("No tuner detected, default to NTSC-M\n"); 448 cx->std |= V4L2_STD_NTSC_M; 449 } 450 } 451 452 static v4l2_std_id cx18_parse_std(struct cx18 *cx) 453 { 454 switch (pal[0]) { 455 case '6': 456 return V4L2_STD_PAL_60; 457 case 'b': 458 case 'B': 459 case 'g': 460 case 'G': 461 return V4L2_STD_PAL_BG; 462 case 'h': 463 case 'H': 464 return V4L2_STD_PAL_H; 465 case 'n': 466 case 'N': 467 if (pal[1] == 'c' || pal[1] == 'C') 468 return V4L2_STD_PAL_Nc; 469 return V4L2_STD_PAL_N; 470 case 'i': 471 case 'I': 472 return V4L2_STD_PAL_I; 473 case 'd': 474 case 'D': 475 case 'k': 476 case 'K': 477 return V4L2_STD_PAL_DK; 478 case 'M': 479 case 'm': 480 return V4L2_STD_PAL_M; 481 case '-': 482 break; 483 default: 484 CX18_WARN("pal= argument not recognised\n"); 485 return 0; 486 } 487 488 switch (secam[0]) { 489 case 'b': 490 case 'B': 491 case 'g': 492 case 'G': 493 case 'h': 494 case 'H': 495 return V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H; 496 case 'd': 497 case 'D': 498 case 'k': 499 case 'K': 500 return V4L2_STD_SECAM_DK; 501 case 'l': 502 case 'L': 503 if (secam[1] == 'C' || secam[1] == 'c') 504 return V4L2_STD_SECAM_LC; 505 return V4L2_STD_SECAM_L; 506 case '-': 507 break; 508 default: 509 CX18_WARN("secam= argument not recognised\n"); 510 return 0; 511 } 512 513 switch (ntsc[0]) { 514 case 'm': 515 case 'M': 516 return V4L2_STD_NTSC_M; 517 case 'j': 518 case 'J': 519 return V4L2_STD_NTSC_M_JP; 520 case 'k': 521 case 'K': 522 return V4L2_STD_NTSC_M_KR; 523 case '-': 524 break; 525 default: 526 CX18_WARN("ntsc= argument not recognised\n"); 527 return 0; 528 } 529 530 /* no match found */ 531 return 0; 532 } 533 534 static void cx18_process_options(struct cx18 *cx) 535 { 536 int i, j; 537 538 cx->options.megabytes[CX18_ENC_STREAM_TYPE_TS] = enc_ts_buffers; 539 cx->options.megabytes[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_buffers; 540 cx->options.megabytes[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_buffers; 541 cx->options.megabytes[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_buffers; 542 cx->options.megabytes[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_buffers; 543 cx->options.megabytes[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_buffers; 544 cx->options.megabytes[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control only */ 545 546 cx->stream_buffers[CX18_ENC_STREAM_TYPE_TS] = enc_ts_bufs; 547 cx->stream_buffers[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_bufs; 548 cx->stream_buffers[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_bufs; 549 cx->stream_buffers[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_bufs; 550 cx->stream_buffers[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_bufs; 551 cx->stream_buffers[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_bufs; 552 cx->stream_buffers[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control, no data */ 553 554 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_TS] = enc_ts_bufsize; 555 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_bufsize; 556 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_bufsize; 557 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_bufsize; 558 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_VBI] = VBI_ACTIVE_SAMPLES * 36; 559 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_bufsize; 560 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control no data */ 561 562 /* Ensure stream_buffers & stream_buf_size are valid */ 563 for (i = 0; i < CX18_MAX_STREAMS; i++) { 564 if (cx->stream_buffers[i] == 0 || /* User said 0 buffers */ 565 cx->options.megabytes[i] <= 0 || /* User said 0 MB total */ 566 cx->stream_buf_size[i] <= 0) { /* User said buf size 0 */ 567 cx->options.megabytes[i] = 0; 568 cx->stream_buffers[i] = 0; 569 cx->stream_buf_size[i] = 0; 570 continue; 571 } 572 /* 573 * YUV is a special case where the stream_buf_size needs to be 574 * an integral multiple of 33.75 kB (storage for 32 screens 575 * lines to maintain alignment in case of lost buffers). 576 * 577 * IDX is a special case where the stream_buf_size should be 578 * an integral multiple of 1.5 kB (storage for 64 index entries 579 * to maintain alignment in case of lost buffers). 580 * 581 */ 582 if (i == CX18_ENC_STREAM_TYPE_YUV) { 583 cx->stream_buf_size[i] *= 1024; 584 cx->stream_buf_size[i] -= 585 (cx->stream_buf_size[i] % CX18_UNIT_ENC_YUV_BUFSIZE); 586 587 if (cx->stream_buf_size[i] < CX18_UNIT_ENC_YUV_BUFSIZE) 588 cx->stream_buf_size[i] = 589 CX18_UNIT_ENC_YUV_BUFSIZE; 590 } else if (i == CX18_ENC_STREAM_TYPE_IDX) { 591 cx->stream_buf_size[i] *= 1024; 592 cx->stream_buf_size[i] -= 593 (cx->stream_buf_size[i] % CX18_UNIT_ENC_IDX_BUFSIZE); 594 595 if (cx->stream_buf_size[i] < CX18_UNIT_ENC_IDX_BUFSIZE) 596 cx->stream_buf_size[i] = 597 CX18_UNIT_ENC_IDX_BUFSIZE; 598 } 599 /* 600 * YUV and IDX are special cases where the stream_buf_size is 601 * now in bytes. 602 * VBI is a special case where the stream_buf_size is fixed 603 * and already in bytes 604 */ 605 if (i == CX18_ENC_STREAM_TYPE_VBI || 606 i == CX18_ENC_STREAM_TYPE_YUV || 607 i == CX18_ENC_STREAM_TYPE_IDX) { 608 if (cx->stream_buffers[i] < 0) { 609 cx->stream_buffers[i] = 610 cx->options.megabytes[i] * 1024 * 1024 611 / cx->stream_buf_size[i]; 612 } else { 613 /* N.B. This might round down to 0 */ 614 cx->options.megabytes[i] = 615 cx->stream_buffers[i] 616 * cx->stream_buf_size[i]/(1024 * 1024); 617 } 618 } else { 619 /* All other streams have stream_buf_size in kB here */ 620 if (cx->stream_buffers[i] < 0) { 621 cx->stream_buffers[i] = 622 cx->options.megabytes[i] * 1024 623 / cx->stream_buf_size[i]; 624 } else { 625 /* N.B. This might round down to 0 */ 626 cx->options.megabytes[i] = 627 cx->stream_buffers[i] 628 * cx->stream_buf_size[i] / 1024; 629 } 630 /* convert from kB to bytes */ 631 cx->stream_buf_size[i] *= 1024; 632 } 633 CX18_DEBUG_INFO("Stream type %d options: %d MB, %d buffers, %d bytes\n", 634 i, cx->options.megabytes[i], 635 cx->stream_buffers[i], cx->stream_buf_size[i]); 636 } 637 638 cx->options.cardtype = cardtype[cx->instance]; 639 cx->options.tuner = tuner[cx->instance]; 640 cx->options.radio = radio[cx->instance]; 641 642 cx->std = cx18_parse_std(cx); 643 if (cx->options.cardtype == -1) { 644 CX18_INFO("Ignore card\n"); 645 return; 646 } 647 cx->card = cx18_get_card(cx->options.cardtype - 1); 648 if (cx->card) 649 CX18_INFO("User specified %s card\n", cx->card->name); 650 else if (cx->options.cardtype != 0) 651 CX18_ERR("Unknown user specified type, trying to autodetect card\n"); 652 if (cx->card == NULL) { 653 if (cx->pci_dev->subsystem_vendor == CX18_PCI_ID_HAUPPAUGE) { 654 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); 655 CX18_INFO("Autodetected Hauppauge card\n"); 656 } 657 } 658 if (cx->card == NULL) { 659 for (i = 0; (cx->card = cx18_get_card(i)); i++) { 660 if (cx->card->pci_list == NULL) 661 continue; 662 for (j = 0; cx->card->pci_list[j].device; j++) { 663 if (cx->pci_dev->device != 664 cx->card->pci_list[j].device) 665 continue; 666 if (cx->pci_dev->subsystem_vendor != 667 cx->card->pci_list[j].subsystem_vendor) 668 continue; 669 if (cx->pci_dev->subsystem_device != 670 cx->card->pci_list[j].subsystem_device) 671 continue; 672 CX18_INFO("Autodetected %s card\n", cx->card->name); 673 goto done; 674 } 675 } 676 } 677 done: 678 679 if (cx->card == NULL) { 680 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); 681 CX18_ERR("Unknown card: vendor/device: [%04x:%04x]\n", 682 cx->pci_dev->vendor, cx->pci_dev->device); 683 CX18_ERR(" subsystem vendor/device: [%04x:%04x]\n", 684 cx->pci_dev->subsystem_vendor, 685 cx->pci_dev->subsystem_device); 686 CX18_ERR("Defaulting to %s card\n", cx->card->name); 687 CX18_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n"); 688 CX18_ERR("card you have to the ivtv-devel mailinglist (www.ivtvdriver.org)\n"); 689 CX18_ERR("Prefix your subject line with [UNKNOWN CX18 CARD].\n"); 690 } 691 cx->v4l2_cap = cx->card->v4l2_capabilities; 692 cx->card_name = cx->card->name; 693 cx->card_i2c = cx->card->i2c; 694 } 695 696 static int cx18_create_in_workq(struct cx18 *cx) 697 { 698 snprintf(cx->in_workq_name, sizeof(cx->in_workq_name), "%s-in", 699 cx->v4l2_dev.name); 700 cx->in_work_queue = alloc_ordered_workqueue("%s", 0, cx->in_workq_name); 701 if (cx->in_work_queue == NULL) { 702 CX18_ERR("Unable to create incoming mailbox handler thread\n"); 703 return -ENOMEM; 704 } 705 return 0; 706 } 707 708 static void cx18_init_in_work_orders(struct cx18 *cx) 709 { 710 int i; 711 for (i = 0; i < CX18_MAX_IN_WORK_ORDERS; i++) { 712 cx->in_work_order[i].cx = cx; 713 cx->in_work_order[i].str = cx->epu_debug_str; 714 INIT_WORK(&cx->in_work_order[i].work, cx18_in_work_handler); 715 } 716 } 717 718 /* Precondition: the cx18 structure has been memset to 0. Only 719 the dev and instance fields have been filled in. 720 No assumptions on the card type may be made here (see cx18_init_struct2 721 for that). 722 */ 723 static int cx18_init_struct1(struct cx18 *cx) 724 { 725 int ret; 726 727 cx->base_addr = pci_resource_start(cx->pci_dev, 0); 728 729 mutex_init(&cx->serialize_lock); 730 mutex_init(&cx->gpio_lock); 731 mutex_init(&cx->epu2apu_mb_lock); 732 mutex_init(&cx->epu2cpu_mb_lock); 733 734 ret = cx18_create_in_workq(cx); 735 if (ret) 736 return ret; 737 738 cx18_init_in_work_orders(cx); 739 740 /* start counting open_id at 1 */ 741 cx->open_id = 1; 742 743 /* Initial settings */ 744 cx->cxhdl.port = CX2341X_PORT_MEMORY; 745 cx->cxhdl.capabilities = CX2341X_CAP_HAS_TS | CX2341X_CAP_HAS_SLICED_VBI; 746 cx->cxhdl.ops = &cx18_cxhdl_ops; 747 cx->cxhdl.func = cx18_api_func; 748 cx->cxhdl.priv = &cx->streams[CX18_ENC_STREAM_TYPE_MPG]; 749 ret = cx2341x_handler_init(&cx->cxhdl, 50); 750 if (ret) 751 return ret; 752 cx->v4l2_dev.ctrl_handler = &cx->cxhdl.hdl; 753 754 cx->temporal_strength = cx->cxhdl.video_temporal_filter->cur.val; 755 cx->spatial_strength = cx->cxhdl.video_spatial_filter->cur.val; 756 cx->filter_mode = cx->cxhdl.video_spatial_filter_mode->cur.val | 757 (cx->cxhdl.video_temporal_filter_mode->cur.val << 1) | 758 (cx->cxhdl.video_median_filter_type->cur.val << 2); 759 760 init_waitqueue_head(&cx->cap_w); 761 init_waitqueue_head(&cx->mb_apu_waitq); 762 init_waitqueue_head(&cx->mb_cpu_waitq); 763 init_waitqueue_head(&cx->dma_waitq); 764 765 /* VBI */ 766 cx->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE; 767 cx->vbi.sliced_in = &cx->vbi.in.fmt.sliced; 768 769 /* IVTV style VBI insertion into MPEG streams */ 770 INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_buf.list); 771 INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_mdl.list); 772 INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_mdl.buf_list); 773 list_add(&cx->vbi.sliced_mpeg_buf.list, 774 &cx->vbi.sliced_mpeg_mdl.buf_list); 775 return 0; 776 } 777 778 /* Second initialization part. Here the card type has been 779 autodetected. */ 780 static void cx18_init_struct2(struct cx18 *cx) 781 { 782 int i; 783 784 for (i = 0; i < CX18_CARD_MAX_VIDEO_INPUTS - 1; i++) 785 if (cx->card->video_inputs[i].video_type == 0) 786 break; 787 cx->nof_inputs = i; 788 for (i = 0; i < CX18_CARD_MAX_AUDIO_INPUTS - 1; i++) 789 if (cx->card->audio_inputs[i].audio_type == 0) 790 break; 791 cx->nof_audio_inputs = i; 792 793 /* Find tuner input */ 794 for (i = 0; i < cx->nof_inputs; i++) { 795 if (cx->card->video_inputs[i].video_type == 796 CX18_CARD_INPUT_VID_TUNER) 797 break; 798 } 799 if (i == cx->nof_inputs) 800 i = 0; 801 cx->active_input = i; 802 cx->audio_input = cx->card->video_inputs[i].audio_index; 803 } 804 805 static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *pci_dev, 806 const struct pci_device_id *pci_id) 807 { 808 u16 cmd; 809 unsigned char pci_latency; 810 811 CX18_DEBUG_INFO("Enabling pci device\n"); 812 813 if (pci_enable_device(pci_dev)) { 814 CX18_ERR("Can't enable device %d!\n", cx->instance); 815 return -EIO; 816 } 817 if (pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32))) { 818 CX18_ERR("No suitable DMA available, card %d\n", cx->instance); 819 return -EIO; 820 } 821 if (!request_mem_region(cx->base_addr, CX18_MEM_SIZE, "cx18 encoder")) { 822 CX18_ERR("Cannot request encoder memory region, card %d\n", 823 cx->instance); 824 return -EIO; 825 } 826 827 /* Enable bus mastering and memory mapped IO for the CX23418 */ 828 pci_read_config_word(pci_dev, PCI_COMMAND, &cmd); 829 cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER; 830 pci_write_config_word(pci_dev, PCI_COMMAND, cmd); 831 832 cx->card_rev = pci_dev->revision; 833 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency); 834 835 if (pci_latency < 64 && cx18_pci_latency) { 836 CX18_INFO("Unreasonably low latency timer, setting to 64 (was %d)\n", 837 pci_latency); 838 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, 64); 839 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency); 840 } 841 842 CX18_DEBUG_INFO("cx%d (rev %d) at %02x:%02x.%x, irq: %d, latency: %d, memory: 0x%llx\n", 843 cx->pci_dev->device, cx->card_rev, pci_dev->bus->number, 844 PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn), 845 cx->pci_dev->irq, pci_latency, (u64)cx->base_addr); 846 847 return 0; 848 } 849 850 static void cx18_init_subdevs(struct cx18 *cx) 851 { 852 u32 hw = cx->card->hw_all; 853 u32 device; 854 int i; 855 856 for (i = 0, device = 1; i < 32; i++, device <<= 1) { 857 858 if (!(device & hw)) 859 continue; 860 861 switch (device) { 862 case CX18_HW_DVB: 863 case CX18_HW_TVEEPROM: 864 /* These subordinate devices do not use probing */ 865 cx->hw_flags |= device; 866 break; 867 case CX18_HW_418_AV: 868 /* The A/V decoder gets probed earlier to set PLLs */ 869 /* Just note that the card uses it (i.e. has analog) */ 870 cx->hw_flags |= device; 871 break; 872 case CX18_HW_GPIO_RESET_CTRL: 873 /* 874 * The Reset Controller gets probed and added to 875 * hw_flags earlier for i2c adapter/bus initialization 876 */ 877 break; 878 case CX18_HW_GPIO_MUX: 879 if (cx18_gpio_register(cx, device) == 0) 880 cx->hw_flags |= device; 881 break; 882 default: 883 if (cx18_i2c_register(cx, i) == 0) 884 cx->hw_flags |= device; 885 break; 886 } 887 } 888 889 if (cx->hw_flags & CX18_HW_418_AV) 890 cx->sd_av = cx18_find_hw(cx, CX18_HW_418_AV); 891 892 if (cx->card->hw_muxer != 0) 893 cx->sd_extmux = cx18_find_hw(cx, cx->card->hw_muxer); 894 } 895 896 static int cx18_probe(struct pci_dev *pci_dev, 897 const struct pci_device_id *pci_id) 898 { 899 int retval = 0; 900 int i; 901 u32 devtype; 902 struct cx18 *cx; 903 904 /* FIXME - module parameter arrays constrain max instances */ 905 i = atomic_inc_return(&cx18_instance) - 1; 906 if (i >= CX18_MAX_CARDS) { 907 printk(KERN_ERR "cx18: cannot manage card %d, driver has a limit of 0 - %d\n", 908 i, CX18_MAX_CARDS - 1); 909 return -ENOMEM; 910 } 911 912 cx = kzalloc(sizeof(struct cx18), GFP_ATOMIC); 913 if (cx == NULL) { 914 printk(KERN_ERR "cx18: cannot manage card %d, out of memory\n", 915 i); 916 return -ENOMEM; 917 } 918 cx->pci_dev = pci_dev; 919 cx->instance = i; 920 921 retval = v4l2_device_register(&pci_dev->dev, &cx->v4l2_dev); 922 if (retval) { 923 printk(KERN_ERR "cx18: v4l2_device_register of card %d failed\n", 924 cx->instance); 925 kfree(cx); 926 return retval; 927 } 928 snprintf(cx->v4l2_dev.name, sizeof(cx->v4l2_dev.name), "cx18-%d", 929 cx->instance); 930 CX18_INFO("Initializing card %d\n", cx->instance); 931 932 cx18_process_options(cx); 933 if (cx->options.cardtype == -1) { 934 retval = -ENODEV; 935 goto err; 936 } 937 938 retval = cx18_init_struct1(cx); 939 if (retval) 940 goto err; 941 942 CX18_DEBUG_INFO("base addr: 0x%llx\n", (u64)cx->base_addr); 943 944 /* PCI Device Setup */ 945 retval = cx18_setup_pci(cx, pci_dev, pci_id); 946 if (retval != 0) 947 goto free_workqueues; 948 949 /* map io memory */ 950 CX18_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n", 951 (u64)cx->base_addr + CX18_MEM_OFFSET, CX18_MEM_SIZE); 952 cx->enc_mem = ioremap_nocache(cx->base_addr + CX18_MEM_OFFSET, 953 CX18_MEM_SIZE); 954 if (!cx->enc_mem) { 955 CX18_ERR("ioremap failed. Can't get a window into CX23418 memory and register space\n"); 956 CX18_ERR("Each capture card with a CX23418 needs 64 MB of vmalloc address space for the window\n"); 957 CX18_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n"); 958 CX18_ERR("Use the vmalloc= kernel command line option to set VmallocTotal to a larger value\n"); 959 retval = -ENOMEM; 960 goto free_mem; 961 } 962 cx->reg_mem = cx->enc_mem + CX18_REG_OFFSET; 963 devtype = cx18_read_reg(cx, 0xC72028); 964 switch (devtype & 0xff000000) { 965 case 0xff000000: 966 CX18_INFO("cx23418 revision %08x (A)\n", devtype); 967 break; 968 case 0x01000000: 969 CX18_INFO("cx23418 revision %08x (B)\n", devtype); 970 break; 971 default: 972 CX18_INFO("cx23418 revision %08x (Unknown)\n", devtype); 973 break; 974 } 975 976 cx18_init_power(cx, 1); 977 cx18_init_memory(cx); 978 979 cx->scb = (struct cx18_scb __iomem *)(cx->enc_mem + SCB_OFFSET); 980 cx18_init_scb(cx); 981 982 cx18_gpio_init(cx); 983 984 /* Initialize integrated A/V decoder early to set PLLs, just in case */ 985 retval = cx18_av_probe(cx); 986 if (retval) { 987 CX18_ERR("Could not register A/V decoder subdevice\n"); 988 goto free_map; 989 } 990 991 /* Initialize GPIO Reset Controller to do chip resets during i2c init */ 992 if (cx->card->hw_all & CX18_HW_GPIO_RESET_CTRL) { 993 if (cx18_gpio_register(cx, CX18_HW_GPIO_RESET_CTRL) != 0) 994 CX18_WARN("Could not register GPIO reset controllersubdevice; proceeding anyway.\n"); 995 else 996 cx->hw_flags |= CX18_HW_GPIO_RESET_CTRL; 997 } 998 999 /* active i2c */ 1000 CX18_DEBUG_INFO("activating i2c...\n"); 1001 retval = init_cx18_i2c(cx); 1002 if (retval) { 1003 CX18_ERR("Could not initialize i2c\n"); 1004 goto free_map; 1005 } 1006 1007 if (cx->card->hw_all & CX18_HW_TVEEPROM) { 1008 /* Based on the model number the cardtype may be changed. 1009 The PCI IDs are not always reliable. */ 1010 const struct cx18_card *orig_card = cx->card; 1011 cx18_process_eeprom(cx); 1012 1013 if (cx->card != orig_card) { 1014 /* Changed the cardtype; re-reset the I2C chips */ 1015 cx18_gpio_init(cx); 1016 cx18_call_hw(cx, CX18_HW_GPIO_RESET_CTRL, 1017 core, reset, (u32) CX18_GPIO_RESET_I2C); 1018 } 1019 } 1020 if (cx->card->comment) 1021 CX18_INFO("%s", cx->card->comment); 1022 if (cx->card->v4l2_capabilities == 0) { 1023 retval = -ENODEV; 1024 goto free_i2c; 1025 } 1026 cx18_init_memory(cx); 1027 cx18_init_scb(cx); 1028 1029 /* Register IRQ */ 1030 retval = request_irq(cx->pci_dev->irq, cx18_irq_handler, 1031 IRQF_SHARED, cx->v4l2_dev.name, (void *)cx); 1032 if (retval) { 1033 CX18_ERR("Failed to register irq %d\n", retval); 1034 goto free_i2c; 1035 } 1036 1037 if (cx->std == 0) 1038 cx->std = V4L2_STD_NTSC_M; 1039 1040 if (cx->options.tuner == -1) { 1041 for (i = 0; i < CX18_CARD_MAX_TUNERS; i++) { 1042 if ((cx->std & cx->card->tuners[i].std) == 0) 1043 continue; 1044 cx->options.tuner = cx->card->tuners[i].tuner; 1045 break; 1046 } 1047 } 1048 /* if no tuner was found, then pick the first tuner in the card list */ 1049 if (cx->options.tuner == -1 && cx->card->tuners[0].std) { 1050 cx->std = cx->card->tuners[0].std; 1051 if (cx->std & V4L2_STD_PAL) 1052 cx->std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H; 1053 else if (cx->std & V4L2_STD_NTSC) 1054 cx->std = V4L2_STD_NTSC_M; 1055 else if (cx->std & V4L2_STD_SECAM) 1056 cx->std = V4L2_STD_SECAM_L; 1057 cx->options.tuner = cx->card->tuners[0].tuner; 1058 } 1059 if (cx->options.radio == -1) 1060 cx->options.radio = (cx->card->radio_input.audio_type != 0); 1061 1062 /* The card is now fully identified, continue with card-specific 1063 initialization. */ 1064 cx18_init_struct2(cx); 1065 1066 cx18_init_subdevs(cx); 1067 1068 if (cx->std & V4L2_STD_525_60) 1069 cx->is_60hz = 1; 1070 else 1071 cx->is_50hz = 1; 1072 1073 cx2341x_handler_set_50hz(&cx->cxhdl, !cx->is_60hz); 1074 1075 if (cx->options.radio > 0) 1076 cx->v4l2_cap |= V4L2_CAP_RADIO; 1077 1078 if (cx->options.tuner > -1) { 1079 struct tuner_setup setup; 1080 1081 setup.addr = ADDR_UNSET; 1082 setup.type = cx->options.tuner; 1083 setup.mode_mask = T_ANALOG_TV; /* matches TV tuners */ 1084 setup.config = NULL; 1085 if (cx->options.radio > 0) 1086 setup.mode_mask |= T_RADIO; 1087 setup.tuner_callback = (setup.type == TUNER_XC2028) ? 1088 cx18_reset_tuner_gpio : NULL; 1089 cx18_call_all(cx, tuner, s_type_addr, &setup); 1090 if (setup.type == TUNER_XC2028) { 1091 static struct xc2028_ctrl ctrl = { 1092 .fname = XC2028_DEFAULT_FIRMWARE, 1093 .max_len = 64, 1094 }; 1095 struct v4l2_priv_tun_config cfg = { 1096 .tuner = cx->options.tuner, 1097 .priv = &ctrl, 1098 }; 1099 cx18_call_all(cx, tuner, s_config, &cfg); 1100 } 1101 } 1102 1103 /* The tuner is fixed to the standard. The other inputs (e.g. S-Video) 1104 are not. */ 1105 cx->tuner_std = cx->std; 1106 if (cx->std == V4L2_STD_ALL) 1107 cx->std = V4L2_STD_NTSC_M; 1108 1109 retval = cx18_streams_setup(cx); 1110 if (retval) { 1111 CX18_ERR("Error %d setting up streams\n", retval); 1112 goto free_irq; 1113 } 1114 retval = cx18_streams_register(cx); 1115 if (retval) { 1116 CX18_ERR("Error %d registering devices\n", retval); 1117 goto free_streams; 1118 } 1119 1120 CX18_INFO("Initialized card: %s\n", cx->card_name); 1121 1122 /* Load cx18 submodules (cx18-alsa) */ 1123 request_modules(cx); 1124 return 0; 1125 1126 free_streams: 1127 cx18_streams_cleanup(cx, 1); 1128 free_irq: 1129 free_irq(cx->pci_dev->irq, (void *)cx); 1130 free_i2c: 1131 exit_cx18_i2c(cx); 1132 free_map: 1133 cx18_iounmap(cx); 1134 free_mem: 1135 release_mem_region(cx->base_addr, CX18_MEM_SIZE); 1136 free_workqueues: 1137 destroy_workqueue(cx->in_work_queue); 1138 err: 1139 if (retval == 0) 1140 retval = -ENODEV; 1141 CX18_ERR("Error %d on initialization\n", retval); 1142 1143 v4l2_device_unregister(&cx->v4l2_dev); 1144 kfree(cx); 1145 return retval; 1146 } 1147 1148 int cx18_init_on_first_open(struct cx18 *cx) 1149 { 1150 int video_input; 1151 int fw_retry_count = 3; 1152 struct v4l2_frequency vf; 1153 struct cx18_open_id fh; 1154 v4l2_std_id std; 1155 1156 fh.cx = cx; 1157 1158 if (test_bit(CX18_F_I_FAILED, &cx->i_flags)) 1159 return -ENXIO; 1160 1161 if (test_and_set_bit(CX18_F_I_INITED, &cx->i_flags)) 1162 return 0; 1163 1164 while (--fw_retry_count > 0) { 1165 /* load firmware */ 1166 if (cx18_firmware_init(cx) == 0) 1167 break; 1168 if (fw_retry_count > 1) 1169 CX18_WARN("Retry loading firmware\n"); 1170 } 1171 1172 if (fw_retry_count == 0) { 1173 set_bit(CX18_F_I_FAILED, &cx->i_flags); 1174 return -ENXIO; 1175 } 1176 set_bit(CX18_F_I_LOADED_FW, &cx->i_flags); 1177 1178 /* 1179 * Init the firmware twice to work around a silicon bug 1180 * with the digital TS. 1181 * 1182 * The second firmware load requires us to normalize the APU state, 1183 * or the audio for the first analog capture will be badly incorrect. 1184 * 1185 * I can't seem to call APU_RESETAI and have it succeed without the 1186 * APU capturing audio, so we start and stop it here to do the reset 1187 */ 1188 1189 /* MPEG Encoding, 224 kbps, MPEG Layer II, 48 ksps */ 1190 cx18_vapi(cx, CX18_APU_START, 2, CX18_APU_ENCODING_METHOD_MPEG|0xb9, 0); 1191 cx18_vapi(cx, CX18_APU_RESETAI, 0); 1192 cx18_vapi(cx, CX18_APU_STOP, 1, CX18_APU_ENCODING_METHOD_MPEG); 1193 1194 fw_retry_count = 3; 1195 while (--fw_retry_count > 0) { 1196 /* load firmware */ 1197 if (cx18_firmware_init(cx) == 0) 1198 break; 1199 if (fw_retry_count > 1) 1200 CX18_WARN("Retry loading firmware\n"); 1201 } 1202 1203 if (fw_retry_count == 0) { 1204 set_bit(CX18_F_I_FAILED, &cx->i_flags); 1205 return -ENXIO; 1206 } 1207 1208 /* 1209 * The second firmware load requires us to normalize the APU state, 1210 * or the audio for the first analog capture will be badly incorrect. 1211 * 1212 * I can't seem to call APU_RESETAI and have it succeed without the 1213 * APU capturing audio, so we start and stop it here to do the reset 1214 */ 1215 1216 /* MPEG Encoding, 224 kbps, MPEG Layer II, 48 ksps */ 1217 cx18_vapi(cx, CX18_APU_START, 2, CX18_APU_ENCODING_METHOD_MPEG|0xb9, 0); 1218 cx18_vapi(cx, CX18_APU_RESETAI, 0); 1219 cx18_vapi(cx, CX18_APU_STOP, 1, CX18_APU_ENCODING_METHOD_MPEG); 1220 1221 /* Init the A/V decoder, if it hasn't been already */ 1222 v4l2_subdev_call(cx->sd_av, core, load_fw); 1223 1224 vf.tuner = 0; 1225 vf.type = V4L2_TUNER_ANALOG_TV; 1226 vf.frequency = 6400; /* the tuner 'baseline' frequency */ 1227 1228 /* Set initial frequency. For PAL/SECAM broadcasts no 1229 'default' channel exists AFAIK. */ 1230 if (cx->std == V4L2_STD_NTSC_M_JP) 1231 vf.frequency = 1460; /* ch. 1 91250*16/1000 */ 1232 else if (cx->std & V4L2_STD_NTSC_M) 1233 vf.frequency = 1076; /* ch. 4 67250*16/1000 */ 1234 1235 video_input = cx->active_input; 1236 cx->active_input++; /* Force update of input */ 1237 cx18_s_input(NULL, &fh, video_input); 1238 1239 /* Let the VIDIOC_S_STD ioctl do all the work, keeps the code 1240 in one place. */ 1241 cx->std++; /* Force full standard initialization */ 1242 std = (cx->tuner_std == V4L2_STD_ALL) ? V4L2_STD_NTSC_M : cx->tuner_std; 1243 cx18_s_std(NULL, &fh, std); 1244 cx18_s_frequency(NULL, &fh, &vf); 1245 return 0; 1246 } 1247 1248 static void cx18_cancel_in_work_orders(struct cx18 *cx) 1249 { 1250 int i; 1251 for (i = 0; i < CX18_MAX_IN_WORK_ORDERS; i++) 1252 cancel_work_sync(&cx->in_work_order[i].work); 1253 } 1254 1255 static void cx18_cancel_out_work_orders(struct cx18 *cx) 1256 { 1257 int i; 1258 for (i = 0; i < CX18_MAX_STREAMS; i++) 1259 if (&cx->streams[i].video_dev != NULL) 1260 cancel_work_sync(&cx->streams[i].out_work_order); 1261 } 1262 1263 static void cx18_remove(struct pci_dev *pci_dev) 1264 { 1265 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); 1266 struct cx18 *cx = to_cx18(v4l2_dev); 1267 int i; 1268 1269 CX18_DEBUG_INFO("Removing Card\n"); 1270 1271 flush_request_modules(cx); 1272 1273 /* Stop all captures */ 1274 CX18_DEBUG_INFO("Stopping all streams\n"); 1275 if (atomic_read(&cx->tot_capturing) > 0) 1276 cx18_stop_all_captures(cx); 1277 1278 /* Stop interrupts that cause incoming work to be queued */ 1279 cx18_sw1_irq_disable(cx, IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU); 1280 1281 /* Incoming work can cause outgoing work, so clean up incoming first */ 1282 cx18_cancel_in_work_orders(cx); 1283 cx18_cancel_out_work_orders(cx); 1284 1285 /* Stop ack interrupts that may have been needed for work to finish */ 1286 cx18_sw2_irq_disable(cx, IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK); 1287 1288 cx18_halt_firmware(cx); 1289 1290 destroy_workqueue(cx->in_work_queue); 1291 1292 cx18_streams_cleanup(cx, 1); 1293 1294 exit_cx18_i2c(cx); 1295 1296 free_irq(cx->pci_dev->irq, (void *)cx); 1297 1298 cx18_iounmap(cx); 1299 1300 release_mem_region(cx->base_addr, CX18_MEM_SIZE); 1301 1302 pci_disable_device(cx->pci_dev); 1303 1304 if (cx->vbi.sliced_mpeg_data[0] != NULL) 1305 for (i = 0; i < CX18_VBI_FRAMES; i++) 1306 kfree(cx->vbi.sliced_mpeg_data[i]); 1307 1308 v4l2_ctrl_handler_free(&cx->av_state.hdl); 1309 1310 CX18_INFO("Removed %s\n", cx->card_name); 1311 1312 v4l2_device_unregister(v4l2_dev); 1313 kfree(cx); 1314 } 1315 1316 1317 /* define a pci_driver for card detection */ 1318 static struct pci_driver cx18_pci_driver = { 1319 .name = "cx18", 1320 .id_table = cx18_pci_tbl, 1321 .probe = cx18_probe, 1322 .remove = cx18_remove, 1323 }; 1324 1325 static int __init module_start(void) 1326 { 1327 printk(KERN_INFO "cx18: Start initialization, version %s\n", 1328 CX18_VERSION); 1329 1330 /* Validate parameters */ 1331 if (cx18_first_minor < 0 || cx18_first_minor >= CX18_MAX_CARDS) { 1332 printk(KERN_ERR "cx18: Exiting, cx18_first_minor must be between 0 and %d\n", 1333 CX18_MAX_CARDS - 1); 1334 return -1; 1335 } 1336 1337 if (cx18_debug < 0 || cx18_debug > 511) { 1338 cx18_debug = 0; 1339 printk(KERN_INFO "cx18: Debug value must be >= 0 and <= 511!\n"); 1340 } 1341 1342 if (pci_register_driver(&cx18_pci_driver)) { 1343 printk(KERN_ERR "cx18: Error detecting PCI card\n"); 1344 return -ENODEV; 1345 } 1346 printk(KERN_INFO "cx18: End initialization\n"); 1347 return 0; 1348 } 1349 1350 static void __exit module_cleanup(void) 1351 { 1352 pci_unregister_driver(&cx18_pci_driver); 1353 } 1354 1355 module_init(module_start); 1356 module_exit(module_cleanup); 1357 MODULE_FIRMWARE(XC2028_DEFAULT_FIRMWARE); 1358