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 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 22 * 02111-1307 USA 23 */ 24 25 #include "cx18-driver.h" 26 #include "cx18-io.h" 27 #include "cx18-version.h" 28 #include "cx18-cards.h" 29 #include "cx18-i2c.h" 30 #include "cx18-irq.h" 31 #include "cx18-gpio.h" 32 #include "cx18-firmware.h" 33 #include "cx18-queue.h" 34 #include "cx18-streams.h" 35 #include "cx18-av-core.h" 36 #include "cx18-scb.h" 37 #include "cx18-mailbox.h" 38 #include "cx18-ioctl.h" 39 #include "cx18-controls.h" 40 #include "tuner-xc2028.h" 41 #include <linux/dma-mapping.h> 42 #include <media/tveeprom.h> 43 44 /* If you have already X v4l cards, then set this to X. This way 45 the device numbers stay matched. Example: you have a WinTV card 46 without radio and a Compro H900 with. Normally this would give a 47 video1 device together with a radio0 device for the Compro. By 48 setting this to 1 you ensure that radio0 is now also radio1. */ 49 int cx18_first_minor; 50 51 /* Callback for registering extensions */ 52 int (*cx18_ext_init)(struct cx18 *); 53 EXPORT_SYMBOL(cx18_ext_init); 54 55 /* add your revision and whatnot here */ 56 static struct pci_device_id cx18_pci_tbl[] = { 57 {PCI_VENDOR_ID_CX, PCI_DEVICE_ID_CX23418, 58 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, 59 {0,} 60 }; 61 62 MODULE_DEVICE_TABLE(pci, cx18_pci_tbl); 63 64 static atomic_t cx18_instance = ATOMIC_INIT(0); 65 66 /* Parameter declarations */ 67 static int cardtype[CX18_MAX_CARDS]; 68 static int tuner[CX18_MAX_CARDS] = { -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 -1, -1, -1, -1, -1, -1, -1, -1 }; 72 static int radio[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1, 73 -1, -1, -1, -1, -1, -1, -1, -1, 74 -1, -1, -1, -1, -1, -1, -1, -1, 75 -1, -1, -1, -1, -1, -1, -1, -1 }; 76 static unsigned cardtype_c = 1; 77 static unsigned tuner_c = 1; 78 static unsigned radio_c = 1; 79 static char pal[] = "--"; 80 static char secam[] = "--"; 81 static char ntsc[] = "-"; 82 83 /* Buffers */ 84 static int enc_ts_buffers = CX18_DEFAULT_ENC_TS_BUFFERS; 85 static int enc_mpg_buffers = CX18_DEFAULT_ENC_MPG_BUFFERS; 86 static int enc_idx_buffers = CX18_DEFAULT_ENC_IDX_BUFFERS; 87 static int enc_yuv_buffers = CX18_DEFAULT_ENC_YUV_BUFFERS; 88 static int enc_vbi_buffers = CX18_DEFAULT_ENC_VBI_BUFFERS; 89 static int enc_pcm_buffers = CX18_DEFAULT_ENC_PCM_BUFFERS; 90 91 static int enc_ts_bufsize = CX18_DEFAULT_ENC_TS_BUFSIZE; 92 static int enc_mpg_bufsize = CX18_DEFAULT_ENC_MPG_BUFSIZE; 93 static int enc_idx_bufsize = CX18_DEFAULT_ENC_IDX_BUFSIZE; 94 static int enc_yuv_bufsize = CX18_DEFAULT_ENC_YUV_BUFSIZE; 95 static int enc_pcm_bufsize = CX18_DEFAULT_ENC_PCM_BUFSIZE; 96 97 static int enc_ts_bufs = -1; 98 static int enc_mpg_bufs = -1; 99 static int enc_idx_bufs = CX18_MAX_FW_MDLS_PER_STREAM; 100 static int enc_yuv_bufs = -1; 101 static int enc_vbi_bufs = -1; 102 static int enc_pcm_bufs = -1; 103 104 105 static int cx18_pci_latency = 1; 106 107 static int mmio_ndelay; 108 static int retry_mmio = 1; 109 110 int cx18_debug; 111 112 module_param_array(tuner, int, &tuner_c, 0644); 113 module_param_array(radio, int, &radio_c, 0644); 114 module_param_array(cardtype, int, &cardtype_c, 0644); 115 module_param_string(pal, pal, sizeof(pal), 0644); 116 module_param_string(secam, secam, sizeof(secam), 0644); 117 module_param_string(ntsc, ntsc, sizeof(ntsc), 0644); 118 module_param_named(debug, cx18_debug, int, 0644); 119 module_param(mmio_ndelay, int, 0644); 120 module_param(retry_mmio, int, 0644); 121 module_param(cx18_pci_latency, int, 0644); 122 module_param(cx18_first_minor, int, 0644); 123 124 module_param(enc_ts_buffers, int, 0644); 125 module_param(enc_mpg_buffers, int, 0644); 126 module_param(enc_idx_buffers, int, 0644); 127 module_param(enc_yuv_buffers, int, 0644); 128 module_param(enc_vbi_buffers, int, 0644); 129 module_param(enc_pcm_buffers, int, 0644); 130 131 module_param(enc_ts_bufsize, int, 0644); 132 module_param(enc_mpg_bufsize, int, 0644); 133 module_param(enc_idx_bufsize, int, 0644); 134 module_param(enc_yuv_bufsize, int, 0644); 135 module_param(enc_pcm_bufsize, int, 0644); 136 137 module_param(enc_ts_bufs, int, 0644); 138 module_param(enc_mpg_bufs, int, 0644); 139 module_param(enc_idx_bufs, int, 0644); 140 module_param(enc_yuv_bufs, int, 0644); 141 module_param(enc_vbi_bufs, int, 0644); 142 module_param(enc_pcm_bufs, int, 0644); 143 144 MODULE_PARM_DESC(tuner, "Tuner type selection,\n" 145 "\t\t\tsee tuner.h for values"); 146 MODULE_PARM_DESC(radio, 147 "Enable or disable the radio. Use only if autodetection\n" 148 "\t\t\tfails. 0 = disable, 1 = enable"); 149 MODULE_PARM_DESC(cardtype, 150 "Only use this option if your card is not detected properly.\n" 151 "\t\tSpecify card type:\n" 152 "\t\t\t 1 = Hauppauge HVR 1600 (ESMT memory)\n" 153 "\t\t\t 2 = Hauppauge HVR 1600 (Samsung memory)\n" 154 "\t\t\t 3 = Compro VideoMate H900\n" 155 "\t\t\t 4 = Yuan MPC718\n" 156 "\t\t\t 5 = Conexant Raptor PAL/SECAM\n" 157 "\t\t\t 6 = Toshiba Qosmio DVB-T/Analog\n" 158 "\t\t\t 7 = Leadtek WinFast PVR2100\n" 159 "\t\t\t 8 = Leadtek WinFast DVR3100 H\n" 160 "\t\t\t 9 = GoTView PCI DVD3 Hybrid\n" 161 "\t\t\t 10 = Hauppauge HVR 1600 (S5H1411)\n" 162 "\t\t\t 0 = Autodetect (default)\n" 163 "\t\t\t-1 = Ignore this card\n\t\t"); 164 MODULE_PARM_DESC(pal, "Set PAL standard: B, G, H, D, K, I, M, N, Nc, 60"); 165 MODULE_PARM_DESC(secam, "Set SECAM standard: B, G, H, D, K, L, LC"); 166 MODULE_PARM_DESC(ntsc, "Set NTSC standard: M, J, K"); 167 MODULE_PARM_DESC(debug, 168 "Debug level (bitmask). Default: 0\n" 169 "\t\t\t 1/0x0001: warning\n" 170 "\t\t\t 2/0x0002: info\n" 171 "\t\t\t 4/0x0004: mailbox\n" 172 "\t\t\t 8/0x0008: dma\n" 173 "\t\t\t 16/0x0010: ioctl\n" 174 "\t\t\t 32/0x0020: file\n" 175 "\t\t\t 64/0x0040: i2c\n" 176 "\t\t\t128/0x0080: irq\n" 177 "\t\t\t256/0x0100: high volume\n"); 178 MODULE_PARM_DESC(cx18_pci_latency, 179 "Change the PCI latency to 64 if lower: 0 = No, 1 = Yes,\n" 180 "\t\t\tDefault: Yes"); 181 MODULE_PARM_DESC(retry_mmio, 182 "(Deprecated) MMIO writes are now always checked and retried\n" 183 "\t\t\tEffectively: 1 [Yes]"); 184 MODULE_PARM_DESC(mmio_ndelay, 185 "(Deprecated) MMIO accesses are now never purposely delayed\n" 186 "\t\t\tEffectively: 0 ns"); 187 MODULE_PARM_DESC(enc_ts_buffers, 188 "Encoder TS buffer memory (MB). (enc_ts_bufs can override)\n" 189 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_TS_BUFFERS)); 190 MODULE_PARM_DESC(enc_ts_bufsize, 191 "Size of an encoder TS buffer (kB)\n" 192 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_TS_BUFSIZE)); 193 MODULE_PARM_DESC(enc_ts_bufs, 194 "Number of encoder TS buffers\n" 195 "\t\t\tDefault is computed from other enc_ts_* parameters"); 196 MODULE_PARM_DESC(enc_mpg_buffers, 197 "Encoder MPG buffer memory (MB). (enc_mpg_bufs can override)\n" 198 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFFERS)); 199 MODULE_PARM_DESC(enc_mpg_bufsize, 200 "Size of an encoder MPG buffer (kB)\n" 201 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFSIZE)); 202 MODULE_PARM_DESC(enc_mpg_bufs, 203 "Number of encoder MPG buffers\n" 204 "\t\t\tDefault is computed from other enc_mpg_* parameters"); 205 MODULE_PARM_DESC(enc_idx_buffers, 206 "(Deprecated) Encoder IDX buffer memory (MB)\n" 207 "\t\t\tIgnored, except 0 disables IDX buffer allocations\n" 208 "\t\t\tDefault: 1 [Enabled]"); 209 MODULE_PARM_DESC(enc_idx_bufsize, 210 "Size of an encoder IDX buffer (kB)\n" 211 "\t\t\tAllowed values are multiples of 1.5 kB rounded up\n" 212 "\t\t\t(multiples of size required for 64 index entries)\n" 213 "\t\t\tDefault: 2"); 214 MODULE_PARM_DESC(enc_idx_bufs, 215 "Number of encoder IDX buffers\n" 216 "\t\t\tDefault: " __stringify(CX18_MAX_FW_MDLS_PER_STREAM)); 217 MODULE_PARM_DESC(enc_yuv_buffers, 218 "Encoder YUV buffer memory (MB). (enc_yuv_bufs can override)\n" 219 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_YUV_BUFFERS)); 220 MODULE_PARM_DESC(enc_yuv_bufsize, 221 "Size of an encoder YUV buffer (kB)\n" 222 "\t\t\tAllowed values are multiples of 33.75 kB rounded up\n" 223 "\t\t\t(multiples of size required for 32 screen lines)\n" 224 "\t\t\tDefault: 102"); 225 MODULE_PARM_DESC(enc_yuv_bufs, 226 "Number of encoder YUV buffers\n" 227 "\t\t\tDefault is computed from other enc_yuv_* parameters"); 228 MODULE_PARM_DESC(enc_vbi_buffers, 229 "Encoder VBI buffer memory (MB). (enc_vbi_bufs can override)\n" 230 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_VBI_BUFFERS)); 231 MODULE_PARM_DESC(enc_vbi_bufs, 232 "Number of encoder VBI buffers\n" 233 "\t\t\tDefault is computed from enc_vbi_buffers"); 234 MODULE_PARM_DESC(enc_pcm_buffers, 235 "Encoder PCM buffer memory (MB). (enc_pcm_bufs can override)\n" 236 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_PCM_BUFFERS)); 237 MODULE_PARM_DESC(enc_pcm_bufsize, 238 "Size of an encoder PCM buffer (kB)\n" 239 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_PCM_BUFSIZE)); 240 MODULE_PARM_DESC(enc_pcm_bufs, 241 "Number of encoder PCM buffers\n" 242 "\t\t\tDefault is computed from other enc_pcm_* parameters"); 243 244 MODULE_PARM_DESC(cx18_first_minor, 245 "Set device node number assigned to first card"); 246 247 MODULE_AUTHOR("Hans Verkuil"); 248 MODULE_DESCRIPTION("CX23418 driver"); 249 MODULE_SUPPORTED_DEVICE("CX23418 MPEG2 encoder"); 250 MODULE_LICENSE("GPL"); 251 252 MODULE_VERSION(CX18_VERSION); 253 254 #if defined(CONFIG_MODULES) && defined(MODULE) 255 static void request_module_async(struct work_struct *work) 256 { 257 struct cx18 *dev = container_of(work, struct cx18, request_module_wk); 258 259 /* Make sure cx18-alsa module is loaded */ 260 request_module("cx18-alsa"); 261 262 /* Initialize cx18-alsa for this instance of the cx18 device */ 263 if (cx18_ext_init != NULL) 264 cx18_ext_init(dev); 265 } 266 267 static void request_modules(struct cx18 *dev) 268 { 269 INIT_WORK(&dev->request_module_wk, request_module_async); 270 schedule_work(&dev->request_module_wk); 271 } 272 273 static void flush_request_modules(struct cx18 *dev) 274 { 275 flush_work(&dev->request_module_wk); 276 } 277 #else 278 #define request_modules(dev) 279 #define flush_request_modules(dev) 280 #endif /* CONFIG_MODULES */ 281 282 /* Generic utility functions */ 283 int cx18_msleep_timeout(unsigned int msecs, int intr) 284 { 285 long int timeout = msecs_to_jiffies(msecs); 286 int sig; 287 288 do { 289 set_current_state(intr ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE); 290 timeout = schedule_timeout(timeout); 291 sig = intr ? signal_pending(current) : 0; 292 } while (!sig && timeout); 293 return sig; 294 } 295 296 /* Release ioremapped memory */ 297 static void cx18_iounmap(struct cx18 *cx) 298 { 299 if (cx == NULL) 300 return; 301 302 /* Release io memory */ 303 if (cx->enc_mem != NULL) { 304 CX18_DEBUG_INFO("releasing enc_mem\n"); 305 iounmap(cx->enc_mem); 306 cx->enc_mem = NULL; 307 } 308 } 309 310 static void cx18_eeprom_dump(struct cx18 *cx, unsigned char *eedata, int len) 311 { 312 int i; 313 314 CX18_INFO("eeprom dump:\n"); 315 for (i = 0; i < len; i++) { 316 if (0 == (i % 16)) 317 CX18_INFO("eeprom %02x:", i); 318 printk(KERN_CONT " %02x", eedata[i]); 319 if (15 == (i % 16)) 320 printk(KERN_CONT "\n"); 321 } 322 } 323 324 /* Hauppauge card? get values from tveeprom */ 325 void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv) 326 { 327 struct i2c_client *c; 328 u8 eedata[256]; 329 330 memset(tv, 0, sizeof(*tv)); 331 332 c = kzalloc(sizeof(*c), GFP_KERNEL); 333 if (!c) 334 return; 335 336 strlcpy(c->name, "cx18 tveeprom tmp", sizeof(c->name)); 337 c->adapter = &cx->i2c_adap[0]; 338 c->addr = 0xa0 >> 1; 339 340 if (tveeprom_read(c, eedata, sizeof(eedata))) 341 goto ret; 342 343 switch (cx->card->type) { 344 case CX18_CARD_HVR_1600_ESMT: 345 case CX18_CARD_HVR_1600_SAMSUNG: 346 case CX18_CARD_HVR_1600_S5H1411: 347 tveeprom_hauppauge_analog(c, tv, eedata); 348 break; 349 case CX18_CARD_YUAN_MPC718: 350 case CX18_CARD_GOTVIEW_PCI_DVD3: 351 tv->model = 0x718; 352 cx18_eeprom_dump(cx, eedata, sizeof(eedata)); 353 CX18_INFO("eeprom PCI ID: %02x%02x:%02x%02x\n", 354 eedata[2], eedata[1], eedata[4], eedata[3]); 355 break; 356 default: 357 tv->model = 0xffffffff; 358 cx18_eeprom_dump(cx, eedata, sizeof(eedata)); 359 break; 360 } 361 362 ret: 363 kfree(c); 364 } 365 366 static void cx18_process_eeprom(struct cx18 *cx) 367 { 368 struct tveeprom tv; 369 370 cx18_read_eeprom(cx, &tv); 371 372 /* Many thanks to Steven Toth from Hauppauge for providing the 373 model numbers */ 374 /* Note: the Samsung memory models cannot be reliably determined 375 from the model number. Use the cardtype module option if you 376 have one of these preproduction models. */ 377 switch (tv.model) { 378 case 74301: /* Retail models */ 379 case 74321: 380 case 74351: /* OEM models */ 381 case 74361: 382 /* Digital side is s5h1411/tda18271 */ 383 cx->card = cx18_get_card(CX18_CARD_HVR_1600_S5H1411); 384 break; 385 case 74021: /* Retail models */ 386 case 74031: 387 case 74041: 388 case 74141: 389 case 74541: /* OEM models */ 390 case 74551: 391 case 74591: 392 case 74651: 393 case 74691: 394 case 74751: 395 case 74891: 396 /* Digital side is s5h1409/mxl5005s */ 397 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); 398 break; 399 case 0x718: 400 return; 401 case 0xffffffff: 402 CX18_INFO("Unknown EEPROM encoding\n"); 403 return; 404 case 0: 405 CX18_ERR("Invalid EEPROM\n"); 406 return; 407 default: 408 CX18_ERR("Unknown model %d, defaulting to original HVR-1600 " 409 "(cardtype=1)\n", tv.model); 410 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); 411 break; 412 } 413 414 cx->v4l2_cap = cx->card->v4l2_capabilities; 415 cx->card_name = cx->card->name; 416 cx->card_i2c = cx->card->i2c; 417 418 CX18_INFO("Autodetected %s\n", cx->card_name); 419 420 if (tv.tuner_type == TUNER_ABSENT) 421 CX18_ERR("tveeprom cannot autodetect tuner!\n"); 422 423 if (cx->options.tuner == -1) 424 cx->options.tuner = tv.tuner_type; 425 if (cx->options.radio == -1) 426 cx->options.radio = (tv.has_radio != 0); 427 428 if (cx->std != 0) 429 /* user specified tuner standard */ 430 return; 431 432 /* autodetect tuner standard */ 433 #define TVEEPROM_TUNER_FORMAT_ALL (V4L2_STD_B | V4L2_STD_GH | \ 434 V4L2_STD_MN | \ 435 V4L2_STD_PAL_I | \ 436 V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC | \ 437 V4L2_STD_DK) 438 if ((tv.tuner_formats & TVEEPROM_TUNER_FORMAT_ALL) 439 == TVEEPROM_TUNER_FORMAT_ALL) { 440 CX18_DEBUG_INFO("Worldwide tuner detected\n"); 441 cx->std = V4L2_STD_ALL; 442 } else if (tv.tuner_formats & V4L2_STD_PAL) { 443 CX18_DEBUG_INFO("PAL tuner detected\n"); 444 cx->std |= V4L2_STD_PAL_BG | V4L2_STD_PAL_H; 445 } else if (tv.tuner_formats & V4L2_STD_NTSC) { 446 CX18_DEBUG_INFO("NTSC tuner detected\n"); 447 cx->std |= V4L2_STD_NTSC_M; 448 } else if (tv.tuner_formats & V4L2_STD_SECAM) { 449 CX18_DEBUG_INFO("SECAM tuner detected\n"); 450 cx->std |= V4L2_STD_SECAM_L; 451 } else { 452 CX18_INFO("No tuner detected, default to NTSC-M\n"); 453 cx->std |= V4L2_STD_NTSC_M; 454 } 455 } 456 457 static v4l2_std_id cx18_parse_std(struct cx18 *cx) 458 { 459 switch (pal[0]) { 460 case '6': 461 return V4L2_STD_PAL_60; 462 case 'b': 463 case 'B': 464 case 'g': 465 case 'G': 466 return V4L2_STD_PAL_BG; 467 case 'h': 468 case 'H': 469 return V4L2_STD_PAL_H; 470 case 'n': 471 case 'N': 472 if (pal[1] == 'c' || pal[1] == 'C') 473 return V4L2_STD_PAL_Nc; 474 return V4L2_STD_PAL_N; 475 case 'i': 476 case 'I': 477 return V4L2_STD_PAL_I; 478 case 'd': 479 case 'D': 480 case 'k': 481 case 'K': 482 return V4L2_STD_PAL_DK; 483 case 'M': 484 case 'm': 485 return V4L2_STD_PAL_M; 486 case '-': 487 break; 488 default: 489 CX18_WARN("pal= argument not recognised\n"); 490 return 0; 491 } 492 493 switch (secam[0]) { 494 case 'b': 495 case 'B': 496 case 'g': 497 case 'G': 498 case 'h': 499 case 'H': 500 return V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H; 501 case 'd': 502 case 'D': 503 case 'k': 504 case 'K': 505 return V4L2_STD_SECAM_DK; 506 case 'l': 507 case 'L': 508 if (secam[1] == 'C' || secam[1] == 'c') 509 return V4L2_STD_SECAM_LC; 510 return V4L2_STD_SECAM_L; 511 case '-': 512 break; 513 default: 514 CX18_WARN("secam= argument not recognised\n"); 515 return 0; 516 } 517 518 switch (ntsc[0]) { 519 case 'm': 520 case 'M': 521 return V4L2_STD_NTSC_M; 522 case 'j': 523 case 'J': 524 return V4L2_STD_NTSC_M_JP; 525 case 'k': 526 case 'K': 527 return V4L2_STD_NTSC_M_KR; 528 case '-': 529 break; 530 default: 531 CX18_WARN("ntsc= argument not recognised\n"); 532 return 0; 533 } 534 535 /* no match found */ 536 return 0; 537 } 538 539 static void cx18_process_options(struct cx18 *cx) 540 { 541 int i, j; 542 543 cx->options.megabytes[CX18_ENC_STREAM_TYPE_TS] = enc_ts_buffers; 544 cx->options.megabytes[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_buffers; 545 cx->options.megabytes[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_buffers; 546 cx->options.megabytes[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_buffers; 547 cx->options.megabytes[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_buffers; 548 cx->options.megabytes[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_buffers; 549 cx->options.megabytes[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control only */ 550 551 cx->stream_buffers[CX18_ENC_STREAM_TYPE_TS] = enc_ts_bufs; 552 cx->stream_buffers[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_bufs; 553 cx->stream_buffers[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_bufs; 554 cx->stream_buffers[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_bufs; 555 cx->stream_buffers[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_bufs; 556 cx->stream_buffers[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_bufs; 557 cx->stream_buffers[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control, no data */ 558 559 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_TS] = enc_ts_bufsize; 560 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_bufsize; 561 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_bufsize; 562 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_bufsize; 563 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_VBI] = vbi_active_samples * 36; 564 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_bufsize; 565 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control no data */ 566 567 /* Ensure stream_buffers & stream_buf_size are valid */ 568 for (i = 0; i < CX18_MAX_STREAMS; i++) { 569 if (cx->stream_buffers[i] == 0 || /* User said 0 buffers */ 570 cx->options.megabytes[i] <= 0 || /* User said 0 MB total */ 571 cx->stream_buf_size[i] <= 0) { /* User said buf size 0 */ 572 cx->options.megabytes[i] = 0; 573 cx->stream_buffers[i] = 0; 574 cx->stream_buf_size[i] = 0; 575 continue; 576 } 577 /* 578 * YUV is a special case where the stream_buf_size needs to be 579 * an integral multiple of 33.75 kB (storage for 32 screens 580 * lines to maintain alignment in case of lost buffers). 581 * 582 * IDX is a special case where the stream_buf_size should be 583 * an integral multiple of 1.5 kB (storage for 64 index entries 584 * to maintain alignment in case of lost buffers). 585 * 586 */ 587 if (i == CX18_ENC_STREAM_TYPE_YUV) { 588 cx->stream_buf_size[i] *= 1024; 589 cx->stream_buf_size[i] -= 590 (cx->stream_buf_size[i] % CX18_UNIT_ENC_YUV_BUFSIZE); 591 592 if (cx->stream_buf_size[i] < CX18_UNIT_ENC_YUV_BUFSIZE) 593 cx->stream_buf_size[i] = 594 CX18_UNIT_ENC_YUV_BUFSIZE; 595 } else if (i == CX18_ENC_STREAM_TYPE_IDX) { 596 cx->stream_buf_size[i] *= 1024; 597 cx->stream_buf_size[i] -= 598 (cx->stream_buf_size[i] % CX18_UNIT_ENC_IDX_BUFSIZE); 599 600 if (cx->stream_buf_size[i] < CX18_UNIT_ENC_IDX_BUFSIZE) 601 cx->stream_buf_size[i] = 602 CX18_UNIT_ENC_IDX_BUFSIZE; 603 } 604 /* 605 * YUV and IDX are special cases where the stream_buf_size is 606 * now in bytes. 607 * VBI is a special case where the stream_buf_size is fixed 608 * and already in bytes 609 */ 610 if (i == CX18_ENC_STREAM_TYPE_VBI || 611 i == CX18_ENC_STREAM_TYPE_YUV || 612 i == CX18_ENC_STREAM_TYPE_IDX) { 613 if (cx->stream_buffers[i] < 0) { 614 cx->stream_buffers[i] = 615 cx->options.megabytes[i] * 1024 * 1024 616 / cx->stream_buf_size[i]; 617 } else { 618 /* N.B. This might round down to 0 */ 619 cx->options.megabytes[i] = 620 cx->stream_buffers[i] 621 * cx->stream_buf_size[i]/(1024 * 1024); 622 } 623 } else { 624 /* All other streams have stream_buf_size in kB here */ 625 if (cx->stream_buffers[i] < 0) { 626 cx->stream_buffers[i] = 627 cx->options.megabytes[i] * 1024 628 / cx->stream_buf_size[i]; 629 } else { 630 /* N.B. This might round down to 0 */ 631 cx->options.megabytes[i] = 632 cx->stream_buffers[i] 633 * cx->stream_buf_size[i] / 1024; 634 } 635 /* convert from kB to bytes */ 636 cx->stream_buf_size[i] *= 1024; 637 } 638 CX18_DEBUG_INFO("Stream type %d options: %d MB, %d buffers, " 639 "%d bytes\n", i, cx->options.megabytes[i], 640 cx->stream_buffers[i], cx->stream_buf_size[i]); 641 } 642 643 cx->options.cardtype = cardtype[cx->instance]; 644 cx->options.tuner = tuner[cx->instance]; 645 cx->options.radio = radio[cx->instance]; 646 647 cx->std = cx18_parse_std(cx); 648 if (cx->options.cardtype == -1) { 649 CX18_INFO("Ignore card\n"); 650 return; 651 } 652 cx->card = cx18_get_card(cx->options.cardtype - 1); 653 if (cx->card) 654 CX18_INFO("User specified %s card\n", cx->card->name); 655 else if (cx->options.cardtype != 0) 656 CX18_ERR("Unknown user specified type, trying to autodetect card\n"); 657 if (cx->card == NULL) { 658 if (cx->pci_dev->subsystem_vendor == CX18_PCI_ID_HAUPPAUGE) { 659 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); 660 CX18_INFO("Autodetected Hauppauge card\n"); 661 } 662 } 663 if (cx->card == NULL) { 664 for (i = 0; (cx->card = cx18_get_card(i)); i++) { 665 if (cx->card->pci_list == NULL) 666 continue; 667 for (j = 0; cx->card->pci_list[j].device; j++) { 668 if (cx->pci_dev->device != 669 cx->card->pci_list[j].device) 670 continue; 671 if (cx->pci_dev->subsystem_vendor != 672 cx->card->pci_list[j].subsystem_vendor) 673 continue; 674 if (cx->pci_dev->subsystem_device != 675 cx->card->pci_list[j].subsystem_device) 676 continue; 677 CX18_INFO("Autodetected %s card\n", cx->card->name); 678 goto done; 679 } 680 } 681 } 682 done: 683 684 if (cx->card == NULL) { 685 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); 686 CX18_ERR("Unknown card: vendor/device: [%04x:%04x]\n", 687 cx->pci_dev->vendor, cx->pci_dev->device); 688 CX18_ERR(" subsystem vendor/device: [%04x:%04x]\n", 689 cx->pci_dev->subsystem_vendor, 690 cx->pci_dev->subsystem_device); 691 CX18_ERR("Defaulting to %s card\n", cx->card->name); 692 CX18_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n"); 693 CX18_ERR("card you have to the ivtv-devel mailinglist (www.ivtvdriver.org)\n"); 694 CX18_ERR("Prefix your subject line with [UNKNOWN CX18 CARD].\n"); 695 } 696 cx->v4l2_cap = cx->card->v4l2_capabilities; 697 cx->card_name = cx->card->name; 698 cx->card_i2c = cx->card->i2c; 699 } 700 701 static int cx18_create_in_workq(struct cx18 *cx) 702 { 703 snprintf(cx->in_workq_name, sizeof(cx->in_workq_name), "%s-in", 704 cx->v4l2_dev.name); 705 cx->in_work_queue = alloc_ordered_workqueue("%s", 0, cx->in_workq_name); 706 if (cx->in_work_queue == NULL) { 707 CX18_ERR("Unable to create incoming mailbox handler thread\n"); 708 return -ENOMEM; 709 } 710 return 0; 711 } 712 713 static void cx18_init_in_work_orders(struct cx18 *cx) 714 { 715 int i; 716 for (i = 0; i < CX18_MAX_IN_WORK_ORDERS; i++) { 717 cx->in_work_order[i].cx = cx; 718 cx->in_work_order[i].str = cx->epu_debug_str; 719 INIT_WORK(&cx->in_work_order[i].work, cx18_in_work_handler); 720 } 721 } 722 723 /* Precondition: the cx18 structure has been memset to 0. Only 724 the dev and instance fields have been filled in. 725 No assumptions on the card type may be made here (see cx18_init_struct2 726 for that). 727 */ 728 static int cx18_init_struct1(struct cx18 *cx) 729 { 730 int ret; 731 732 cx->base_addr = pci_resource_start(cx->pci_dev, 0); 733 734 mutex_init(&cx->serialize_lock); 735 mutex_init(&cx->gpio_lock); 736 mutex_init(&cx->epu2apu_mb_lock); 737 mutex_init(&cx->epu2cpu_mb_lock); 738 739 ret = cx18_create_in_workq(cx); 740 if (ret) 741 return ret; 742 743 cx18_init_in_work_orders(cx); 744 745 /* start counting open_id at 1 */ 746 cx->open_id = 1; 747 748 /* Initial settings */ 749 cx->cxhdl.port = CX2341X_PORT_MEMORY; 750 cx->cxhdl.capabilities = CX2341X_CAP_HAS_TS | CX2341X_CAP_HAS_SLICED_VBI; 751 cx->cxhdl.ops = &cx18_cxhdl_ops; 752 cx->cxhdl.func = cx18_api_func; 753 cx->cxhdl.priv = &cx->streams[CX18_ENC_STREAM_TYPE_MPG]; 754 ret = cx2341x_handler_init(&cx->cxhdl, 50); 755 if (ret) 756 return ret; 757 cx->v4l2_dev.ctrl_handler = &cx->cxhdl.hdl; 758 759 cx->temporal_strength = cx->cxhdl.video_temporal_filter->cur.val; 760 cx->spatial_strength = cx->cxhdl.video_spatial_filter->cur.val; 761 cx->filter_mode = cx->cxhdl.video_spatial_filter_mode->cur.val | 762 (cx->cxhdl.video_temporal_filter_mode->cur.val << 1) | 763 (cx->cxhdl.video_median_filter_type->cur.val << 2); 764 765 init_waitqueue_head(&cx->cap_w); 766 init_waitqueue_head(&cx->mb_apu_waitq); 767 init_waitqueue_head(&cx->mb_cpu_waitq); 768 init_waitqueue_head(&cx->dma_waitq); 769 770 /* VBI */ 771 cx->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE; 772 cx->vbi.sliced_in = &cx->vbi.in.fmt.sliced; 773 774 /* IVTV style VBI insertion into MPEG streams */ 775 INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_buf.list); 776 INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_mdl.list); 777 INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_mdl.buf_list); 778 list_add(&cx->vbi.sliced_mpeg_buf.list, 779 &cx->vbi.sliced_mpeg_mdl.buf_list); 780 return 0; 781 } 782 783 /* Second initialization part. Here the card type has been 784 autodetected. */ 785 static void cx18_init_struct2(struct cx18 *cx) 786 { 787 int i; 788 789 for (i = 0; i < CX18_CARD_MAX_VIDEO_INPUTS; i++) 790 if (cx->card->video_inputs[i].video_type == 0) 791 break; 792 cx->nof_inputs = i; 793 for (i = 0; i < CX18_CARD_MAX_AUDIO_INPUTS; i++) 794 if (cx->card->audio_inputs[i].audio_type == 0) 795 break; 796 cx->nof_audio_inputs = i; 797 798 /* Find tuner input */ 799 for (i = 0; i < cx->nof_inputs; i++) { 800 if (cx->card->video_inputs[i].video_type == 801 CX18_CARD_INPUT_VID_TUNER) 802 break; 803 } 804 if (i == cx->nof_inputs) 805 i = 0; 806 cx->active_input = i; 807 cx->audio_input = cx->card->video_inputs[i].audio_index; 808 } 809 810 static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *pci_dev, 811 const struct pci_device_id *pci_id) 812 { 813 u16 cmd; 814 unsigned char pci_latency; 815 816 CX18_DEBUG_INFO("Enabling pci device\n"); 817 818 if (pci_enable_device(pci_dev)) { 819 CX18_ERR("Can't enable device %d!\n", cx->instance); 820 return -EIO; 821 } 822 if (pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32))) { 823 CX18_ERR("No suitable DMA available, card %d\n", cx->instance); 824 return -EIO; 825 } 826 if (!request_mem_region(cx->base_addr, CX18_MEM_SIZE, "cx18 encoder")) { 827 CX18_ERR("Cannot request encoder memory region, card %d\n", 828 cx->instance); 829 return -EIO; 830 } 831 832 /* Enable bus mastering and memory mapped IO for the CX23418 */ 833 pci_read_config_word(pci_dev, PCI_COMMAND, &cmd); 834 cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER; 835 pci_write_config_word(pci_dev, PCI_COMMAND, cmd); 836 837 cx->card_rev = pci_dev->revision; 838 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency); 839 840 if (pci_latency < 64 && cx18_pci_latency) { 841 CX18_INFO("Unreasonably low latency timer, " 842 "setting to 64 (was %d)\n", pci_latency); 843 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, 64); 844 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency); 845 } 846 847 CX18_DEBUG_INFO("cx%d (rev %d) at %02x:%02x.%x, " 848 "irq: %d, latency: %d, memory: 0x%llx\n", 849 cx->pci_dev->device, cx->card_rev, pci_dev->bus->number, 850 PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn), 851 cx->pci_dev->irq, pci_latency, (u64)cx->base_addr); 852 853 return 0; 854 } 855 856 static void cx18_init_subdevs(struct cx18 *cx) 857 { 858 u32 hw = cx->card->hw_all; 859 u32 device; 860 int i; 861 862 for (i = 0, device = 1; i < 32; i++, device <<= 1) { 863 864 if (!(device & hw)) 865 continue; 866 867 switch (device) { 868 case CX18_HW_DVB: 869 case CX18_HW_TVEEPROM: 870 /* These subordinate devices do not use probing */ 871 cx->hw_flags |= device; 872 break; 873 case CX18_HW_418_AV: 874 /* The A/V decoder gets probed earlier to set PLLs */ 875 /* Just note that the card uses it (i.e. has analog) */ 876 cx->hw_flags |= device; 877 break; 878 case CX18_HW_GPIO_RESET_CTRL: 879 /* 880 * The Reset Controller gets probed and added to 881 * hw_flags earlier for i2c adapter/bus initialization 882 */ 883 break; 884 case CX18_HW_GPIO_MUX: 885 if (cx18_gpio_register(cx, device) == 0) 886 cx->hw_flags |= device; 887 break; 888 default: 889 if (cx18_i2c_register(cx, i) == 0) 890 cx->hw_flags |= device; 891 break; 892 } 893 } 894 895 if (cx->hw_flags & CX18_HW_418_AV) 896 cx->sd_av = cx18_find_hw(cx, CX18_HW_418_AV); 897 898 if (cx->card->hw_muxer != 0) 899 cx->sd_extmux = cx18_find_hw(cx, cx->card->hw_muxer); 900 } 901 902 static int cx18_probe(struct pci_dev *pci_dev, 903 const struct pci_device_id *pci_id) 904 { 905 int retval = 0; 906 int i; 907 u32 devtype; 908 struct cx18 *cx; 909 910 /* FIXME - module parameter arrays constrain max instances */ 911 i = atomic_inc_return(&cx18_instance) - 1; 912 if (i >= CX18_MAX_CARDS) { 913 printk(KERN_ERR "cx18: cannot manage card %d, driver has a " 914 "limit of 0 - %d\n", i, CX18_MAX_CARDS - 1); 915 return -ENOMEM; 916 } 917 918 cx = kzalloc(sizeof(struct cx18), GFP_ATOMIC); 919 if (cx == NULL) { 920 printk(KERN_ERR "cx18: cannot manage card %d, out of memory\n", 921 i); 922 return -ENOMEM; 923 } 924 cx->pci_dev = pci_dev; 925 cx->instance = i; 926 927 retval = v4l2_device_register(&pci_dev->dev, &cx->v4l2_dev); 928 if (retval) { 929 printk(KERN_ERR "cx18: v4l2_device_register of card %d failed" 930 "\n", cx->instance); 931 kfree(cx); 932 return retval; 933 } 934 snprintf(cx->v4l2_dev.name, sizeof(cx->v4l2_dev.name), "cx18-%d", 935 cx->instance); 936 CX18_INFO("Initializing card %d\n", cx->instance); 937 938 cx18_process_options(cx); 939 if (cx->options.cardtype == -1) { 940 retval = -ENODEV; 941 goto err; 942 } 943 944 retval = cx18_init_struct1(cx); 945 if (retval) 946 goto err; 947 948 CX18_DEBUG_INFO("base addr: 0x%llx\n", (u64)cx->base_addr); 949 950 /* PCI Device Setup */ 951 retval = cx18_setup_pci(cx, pci_dev, pci_id); 952 if (retval != 0) 953 goto free_workqueues; 954 955 /* map io memory */ 956 CX18_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n", 957 (u64)cx->base_addr + CX18_MEM_OFFSET, CX18_MEM_SIZE); 958 cx->enc_mem = ioremap_nocache(cx->base_addr + CX18_MEM_OFFSET, 959 CX18_MEM_SIZE); 960 if (!cx->enc_mem) { 961 CX18_ERR("ioremap failed. Can't get a window into CX23418 " 962 "memory and register space\n"); 963 CX18_ERR("Each capture card with a CX23418 needs 64 MB of " 964 "vmalloc address space for the window\n"); 965 CX18_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n"); 966 CX18_ERR("Use the vmalloc= kernel command line option to set " 967 "VmallocTotal to a larger value\n"); 968 retval = -ENOMEM; 969 goto free_mem; 970 } 971 cx->reg_mem = cx->enc_mem + CX18_REG_OFFSET; 972 devtype = cx18_read_reg(cx, 0xC72028); 973 switch (devtype & 0xff000000) { 974 case 0xff000000: 975 CX18_INFO("cx23418 revision %08x (A)\n", devtype); 976 break; 977 case 0x01000000: 978 CX18_INFO("cx23418 revision %08x (B)\n", devtype); 979 break; 980 default: 981 CX18_INFO("cx23418 revision %08x (Unknown)\n", devtype); 982 break; 983 } 984 985 cx18_init_power(cx, 1); 986 cx18_init_memory(cx); 987 988 cx->scb = (struct cx18_scb __iomem *)(cx->enc_mem + SCB_OFFSET); 989 cx18_init_scb(cx); 990 991 cx18_gpio_init(cx); 992 993 /* Initialize integrated A/V decoder early to set PLLs, just in case */ 994 retval = cx18_av_probe(cx); 995 if (retval) { 996 CX18_ERR("Could not register A/V decoder subdevice\n"); 997 goto free_map; 998 } 999 1000 /* Initialize GPIO Reset Controller to do chip resets during i2c init */ 1001 if (cx->card->hw_all & CX18_HW_GPIO_RESET_CTRL) { 1002 if (cx18_gpio_register(cx, CX18_HW_GPIO_RESET_CTRL) != 0) 1003 CX18_WARN("Could not register GPIO reset controller" 1004 "subdevice; proceeding anyway.\n"); 1005 else 1006 cx->hw_flags |= CX18_HW_GPIO_RESET_CTRL; 1007 } 1008 1009 /* active i2c */ 1010 CX18_DEBUG_INFO("activating i2c...\n"); 1011 retval = init_cx18_i2c(cx); 1012 if (retval) { 1013 CX18_ERR("Could not initialize i2c\n"); 1014 goto free_map; 1015 } 1016 1017 if (cx->card->hw_all & CX18_HW_TVEEPROM) { 1018 /* Based on the model number the cardtype may be changed. 1019 The PCI IDs are not always reliable. */ 1020 const struct cx18_card *orig_card = cx->card; 1021 cx18_process_eeprom(cx); 1022 1023 if (cx->card != orig_card) { 1024 /* Changed the cardtype; re-reset the I2C chips */ 1025 cx18_gpio_init(cx); 1026 cx18_call_hw(cx, CX18_HW_GPIO_RESET_CTRL, 1027 core, reset, (u32) CX18_GPIO_RESET_I2C); 1028 } 1029 } 1030 if (cx->card->comment) 1031 CX18_INFO("%s", cx->card->comment); 1032 if (cx->card->v4l2_capabilities == 0) { 1033 retval = -ENODEV; 1034 goto free_i2c; 1035 } 1036 cx18_init_memory(cx); 1037 cx18_init_scb(cx); 1038 1039 /* Register IRQ */ 1040 retval = request_irq(cx->pci_dev->irq, cx18_irq_handler, 1041 IRQF_SHARED, cx->v4l2_dev.name, (void *)cx); 1042 if (retval) { 1043 CX18_ERR("Failed to register irq %d\n", retval); 1044 goto free_i2c; 1045 } 1046 1047 if (cx->std == 0) 1048 cx->std = V4L2_STD_NTSC_M; 1049 1050 if (cx->options.tuner == -1) { 1051 for (i = 0; i < CX18_CARD_MAX_TUNERS; i++) { 1052 if ((cx->std & cx->card->tuners[i].std) == 0) 1053 continue; 1054 cx->options.tuner = cx->card->tuners[i].tuner; 1055 break; 1056 } 1057 } 1058 /* if no tuner was found, then pick the first tuner in the card list */ 1059 if (cx->options.tuner == -1 && cx->card->tuners[0].std) { 1060 cx->std = cx->card->tuners[0].std; 1061 if (cx->std & V4L2_STD_PAL) 1062 cx->std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H; 1063 else if (cx->std & V4L2_STD_NTSC) 1064 cx->std = V4L2_STD_NTSC_M; 1065 else if (cx->std & V4L2_STD_SECAM) 1066 cx->std = V4L2_STD_SECAM_L; 1067 cx->options.tuner = cx->card->tuners[0].tuner; 1068 } 1069 if (cx->options.radio == -1) 1070 cx->options.radio = (cx->card->radio_input.audio_type != 0); 1071 1072 /* The card is now fully identified, continue with card-specific 1073 initialization. */ 1074 cx18_init_struct2(cx); 1075 1076 cx18_init_subdevs(cx); 1077 1078 if (cx->std & V4L2_STD_525_60) 1079 cx->is_60hz = 1; 1080 else 1081 cx->is_50hz = 1; 1082 1083 cx2341x_handler_set_50hz(&cx->cxhdl, !cx->is_60hz); 1084 1085 if (cx->options.radio > 0) 1086 cx->v4l2_cap |= V4L2_CAP_RADIO; 1087 1088 if (cx->options.tuner > -1) { 1089 struct tuner_setup setup; 1090 1091 setup.addr = ADDR_UNSET; 1092 setup.type = cx->options.tuner; 1093 setup.mode_mask = T_ANALOG_TV; /* matches TV tuners */ 1094 if (cx->options.radio > 0) 1095 setup.mode_mask |= T_RADIO; 1096 setup.tuner_callback = (setup.type == TUNER_XC2028) ? 1097 cx18_reset_tuner_gpio : NULL; 1098 cx18_call_all(cx, tuner, s_type_addr, &setup); 1099 if (setup.type == TUNER_XC2028) { 1100 static struct xc2028_ctrl ctrl = { 1101 .fname = XC2028_DEFAULT_FIRMWARE, 1102 .max_len = 64, 1103 }; 1104 struct v4l2_priv_tun_config cfg = { 1105 .tuner = cx->options.tuner, 1106 .priv = &ctrl, 1107 }; 1108 cx18_call_all(cx, tuner, s_config, &cfg); 1109 } 1110 } 1111 1112 /* The tuner is fixed to the standard. The other inputs (e.g. S-Video) 1113 are not. */ 1114 cx->tuner_std = cx->std; 1115 if (cx->std == V4L2_STD_ALL) 1116 cx->std = V4L2_STD_NTSC_M; 1117 1118 retval = cx18_streams_setup(cx); 1119 if (retval) { 1120 CX18_ERR("Error %d setting up streams\n", retval); 1121 goto free_irq; 1122 } 1123 retval = cx18_streams_register(cx); 1124 if (retval) { 1125 CX18_ERR("Error %d registering devices\n", retval); 1126 goto free_streams; 1127 } 1128 1129 CX18_INFO("Initialized card: %s\n", cx->card_name); 1130 1131 /* Load cx18 submodules (cx18-alsa) */ 1132 request_modules(cx); 1133 return 0; 1134 1135 free_streams: 1136 cx18_streams_cleanup(cx, 1); 1137 free_irq: 1138 free_irq(cx->pci_dev->irq, (void *)cx); 1139 free_i2c: 1140 exit_cx18_i2c(cx); 1141 free_map: 1142 cx18_iounmap(cx); 1143 free_mem: 1144 release_mem_region(cx->base_addr, CX18_MEM_SIZE); 1145 free_workqueues: 1146 destroy_workqueue(cx->in_work_queue); 1147 err: 1148 if (retval == 0) 1149 retval = -ENODEV; 1150 CX18_ERR("Error %d on initialization\n", retval); 1151 1152 v4l2_device_unregister(&cx->v4l2_dev); 1153 kfree(cx); 1154 return retval; 1155 } 1156 1157 int cx18_init_on_first_open(struct cx18 *cx) 1158 { 1159 int video_input; 1160 int fw_retry_count = 3; 1161 struct v4l2_frequency vf; 1162 struct cx18_open_id fh; 1163 v4l2_std_id std; 1164 1165 fh.cx = cx; 1166 1167 if (test_bit(CX18_F_I_FAILED, &cx->i_flags)) 1168 return -ENXIO; 1169 1170 if (test_and_set_bit(CX18_F_I_INITED, &cx->i_flags)) 1171 return 0; 1172 1173 while (--fw_retry_count > 0) { 1174 /* load firmware */ 1175 if (cx18_firmware_init(cx) == 0) 1176 break; 1177 if (fw_retry_count > 1) 1178 CX18_WARN("Retry loading firmware\n"); 1179 } 1180 1181 if (fw_retry_count == 0) { 1182 set_bit(CX18_F_I_FAILED, &cx->i_flags); 1183 return -ENXIO; 1184 } 1185 set_bit(CX18_F_I_LOADED_FW, &cx->i_flags); 1186 1187 /* 1188 * Init the firmware twice to work around a silicon bug 1189 * with the digital TS. 1190 * 1191 * The second firmware load requires us to normalize the APU state, 1192 * or the audio for the first analog capture will be badly incorrect. 1193 * 1194 * I can't seem to call APU_RESETAI and have it succeed without the 1195 * APU capturing audio, so we start and stop it here to do the reset 1196 */ 1197 1198 /* MPEG Encoding, 224 kbps, MPEG Layer II, 48 ksps */ 1199 cx18_vapi(cx, CX18_APU_START, 2, CX18_APU_ENCODING_METHOD_MPEG|0xb9, 0); 1200 cx18_vapi(cx, CX18_APU_RESETAI, 0); 1201 cx18_vapi(cx, CX18_APU_STOP, 1, CX18_APU_ENCODING_METHOD_MPEG); 1202 1203 fw_retry_count = 3; 1204 while (--fw_retry_count > 0) { 1205 /* load firmware */ 1206 if (cx18_firmware_init(cx) == 0) 1207 break; 1208 if (fw_retry_count > 1) 1209 CX18_WARN("Retry loading firmware\n"); 1210 } 1211 1212 if (fw_retry_count == 0) { 1213 set_bit(CX18_F_I_FAILED, &cx->i_flags); 1214 return -ENXIO; 1215 } 1216 1217 /* 1218 * The second firmware load requires us to normalize the APU state, 1219 * or the audio for the first analog capture will be badly incorrect. 1220 * 1221 * I can't seem to call APU_RESETAI and have it succeed without the 1222 * APU capturing audio, so we start and stop it here to do the reset 1223 */ 1224 1225 /* MPEG Encoding, 224 kbps, MPEG Layer II, 48 ksps */ 1226 cx18_vapi(cx, CX18_APU_START, 2, CX18_APU_ENCODING_METHOD_MPEG|0xb9, 0); 1227 cx18_vapi(cx, CX18_APU_RESETAI, 0); 1228 cx18_vapi(cx, CX18_APU_STOP, 1, CX18_APU_ENCODING_METHOD_MPEG); 1229 1230 /* Init the A/V decoder, if it hasn't been already */ 1231 v4l2_subdev_call(cx->sd_av, core, load_fw); 1232 1233 vf.tuner = 0; 1234 vf.type = V4L2_TUNER_ANALOG_TV; 1235 vf.frequency = 6400; /* the tuner 'baseline' frequency */ 1236 1237 /* Set initial frequency. For PAL/SECAM broadcasts no 1238 'default' channel exists AFAIK. */ 1239 if (cx->std == V4L2_STD_NTSC_M_JP) 1240 vf.frequency = 1460; /* ch. 1 91250*16/1000 */ 1241 else if (cx->std & V4L2_STD_NTSC_M) 1242 vf.frequency = 1076; /* ch. 4 67250*16/1000 */ 1243 1244 video_input = cx->active_input; 1245 cx->active_input++; /* Force update of input */ 1246 cx18_s_input(NULL, &fh, video_input); 1247 1248 /* Let the VIDIOC_S_STD ioctl do all the work, keeps the code 1249 in one place. */ 1250 cx->std++; /* Force full standard initialization */ 1251 std = (cx->tuner_std == V4L2_STD_ALL) ? V4L2_STD_NTSC_M : cx->tuner_std; 1252 cx18_s_std(NULL, &fh, std); 1253 cx18_s_frequency(NULL, &fh, &vf); 1254 return 0; 1255 } 1256 1257 static void cx18_cancel_in_work_orders(struct cx18 *cx) 1258 { 1259 int i; 1260 for (i = 0; i < CX18_MAX_IN_WORK_ORDERS; i++) 1261 cancel_work_sync(&cx->in_work_order[i].work); 1262 } 1263 1264 static void cx18_cancel_out_work_orders(struct cx18 *cx) 1265 { 1266 int i; 1267 for (i = 0; i < CX18_MAX_STREAMS; i++) 1268 if (&cx->streams[i].video_dev != NULL) 1269 cancel_work_sync(&cx->streams[i].out_work_order); 1270 } 1271 1272 static void cx18_remove(struct pci_dev *pci_dev) 1273 { 1274 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); 1275 struct cx18 *cx = to_cx18(v4l2_dev); 1276 int i; 1277 1278 CX18_DEBUG_INFO("Removing Card\n"); 1279 1280 flush_request_modules(cx); 1281 1282 /* Stop all captures */ 1283 CX18_DEBUG_INFO("Stopping all streams\n"); 1284 if (atomic_read(&cx->tot_capturing) > 0) 1285 cx18_stop_all_captures(cx); 1286 1287 /* Stop interrupts that cause incoming work to be queued */ 1288 cx18_sw1_irq_disable(cx, IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU); 1289 1290 /* Incoming work can cause outgoing work, so clean up incoming first */ 1291 cx18_cancel_in_work_orders(cx); 1292 cx18_cancel_out_work_orders(cx); 1293 1294 /* Stop ack interrupts that may have been needed for work to finish */ 1295 cx18_sw2_irq_disable(cx, IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK); 1296 1297 cx18_halt_firmware(cx); 1298 1299 destroy_workqueue(cx->in_work_queue); 1300 1301 cx18_streams_cleanup(cx, 1); 1302 1303 exit_cx18_i2c(cx); 1304 1305 free_irq(cx->pci_dev->irq, (void *)cx); 1306 1307 cx18_iounmap(cx); 1308 1309 release_mem_region(cx->base_addr, CX18_MEM_SIZE); 1310 1311 pci_disable_device(cx->pci_dev); 1312 1313 if (cx->vbi.sliced_mpeg_data[0] != NULL) 1314 for (i = 0; i < CX18_VBI_FRAMES; i++) 1315 kfree(cx->vbi.sliced_mpeg_data[i]); 1316 1317 v4l2_ctrl_handler_free(&cx->av_state.hdl); 1318 1319 CX18_INFO("Removed %s\n", cx->card_name); 1320 1321 v4l2_device_unregister(v4l2_dev); 1322 kfree(cx); 1323 } 1324 1325 1326 /* define a pci_driver for card detection */ 1327 static struct pci_driver cx18_pci_driver = { 1328 .name = "cx18", 1329 .id_table = cx18_pci_tbl, 1330 .probe = cx18_probe, 1331 .remove = cx18_remove, 1332 }; 1333 1334 static int __init module_start(void) 1335 { 1336 printk(KERN_INFO "cx18: Start initialization, version %s\n", 1337 CX18_VERSION); 1338 1339 /* Validate parameters */ 1340 if (cx18_first_minor < 0 || cx18_first_minor >= CX18_MAX_CARDS) { 1341 printk(KERN_ERR "cx18: Exiting, cx18_first_minor must be between 0 and %d\n", 1342 CX18_MAX_CARDS - 1); 1343 return -1; 1344 } 1345 1346 if (cx18_debug < 0 || cx18_debug > 511) { 1347 cx18_debug = 0; 1348 printk(KERN_INFO "cx18: Debug value must be >= 0 and <= 511!\n"); 1349 } 1350 1351 if (pci_register_driver(&cx18_pci_driver)) { 1352 printk(KERN_ERR "cx18: Error detecting PCI card\n"); 1353 return -ENODEV; 1354 } 1355 printk(KERN_INFO "cx18: End initialization\n"); 1356 return 0; 1357 } 1358 1359 static void __exit module_cleanup(void) 1360 { 1361 pci_unregister_driver(&cx18_pci_driver); 1362 } 1363 1364 module_init(module_start); 1365 module_exit(module_cleanup); 1366 MODULE_FIRMWARE(XC2028_DEFAULT_FIRMWARE); 1367