drivers/media/pci/cx18/cx18-driver.c

   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)
 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)
 295                 return;
 296
 297         /* Release io memory */
 298         if (cx->enc_mem) {
 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         strscpy(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) {
 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) {
 659                 for (i = 0; (cx->card = cx18_get_card(i)); i++) {
 660                         if (!cx->card->pci_list)
 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) {
 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) {
 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(*cx), GFP_ATOMIC);
 913         if (!cx)
 914                 return -ENOMEM;
 915
 916         cx->pci_dev = pci_dev;
 917         cx->instance = i;
 918
 919         retval = v4l2_device_register(&pci_dev->dev, &cx->v4l2_dev);
 920         if (retval) {
 921                 printk(KERN_ERR "cx18: v4l2_device_register of card %d failed\n",
 922                        cx->instance);
 923                 kfree(cx);
 924                 return retval;
 925         }
 926         snprintf(cx->v4l2_dev.name, sizeof(cx->v4l2_dev.name), "cx18-%d",
 927                  cx->instance);
 928         CX18_INFO("Initializing card %d\n", cx->instance);
 929
 930         cx18_process_options(cx);
 931         if (cx->options.cardtype == -1) {
 932                 retval = -ENODEV;
 933                 goto err;
 934         }
 935
 936         retval = cx18_init_struct1(cx);
 937         if (retval)
 938                 goto err;
 939
 940         CX18_DEBUG_INFO("base addr: 0x%llx\n", (u64)cx->base_addr);
 941
 942         /* PCI Device Setup */
 943         retval = cx18_setup_pci(cx, pci_dev, pci_id);
 944         if (retval != 0)
 945                 goto free_workqueues;
 946
 947         /* map io memory */
 948         CX18_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",
 949                    (u64)cx->base_addr + CX18_MEM_OFFSET, CX18_MEM_SIZE);
 950         cx->enc_mem = ioremap_nocache(cx->base_addr + CX18_MEM_OFFSET,
 951                                        CX18_MEM_SIZE);
 952         if (!cx->enc_mem) {
 953                 CX18_ERR("ioremap failed. Can't get a window into CX23418 memory and register space\n");
 954                 CX18_ERR("Each capture card with a CX23418 needs 64 MB of vmalloc address space for the window\n");
 955                 CX18_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
 956                 CX18_ERR("Use the vmalloc= kernel command line option to set VmallocTotal to a larger value\n");
 957                 retval = -ENOMEM;
 958                 goto free_mem;
 959         }
 960         cx->reg_mem = cx->enc_mem + CX18_REG_OFFSET;
 961         devtype = cx18_read_reg(cx, 0xC72028);
 962         switch (devtype & 0xff000000) {
 963         case 0xff000000:
 964                 CX18_INFO("cx23418 revision %08x (A)\n", devtype);
 965                 break;
 966         case 0x01000000:
 967                 CX18_INFO("cx23418 revision %08x (B)\n", devtype);
 968                 break;
 969         default:
 970                 CX18_INFO("cx23418 revision %08x (Unknown)\n", devtype);
 971                 break;
 972         }
 973
 974         cx18_init_power(cx, 1);
 975         cx18_init_memory(cx);
 976
 977         cx->scb = (struct cx18_scb __iomem *)(cx->enc_mem + SCB_OFFSET);
 978         cx18_init_scb(cx);
 979
 980         cx18_gpio_init(cx);
 981
 982         /* Initialize integrated A/V decoder early to set PLLs, just in case */
 983         retval = cx18_av_probe(cx);
 984         if (retval) {
 985                 CX18_ERR("Could not register A/V decoder subdevice\n");
 986                 goto free_map;
 987         }
 988
 989         /* Initialize GPIO Reset Controller to do chip resets during i2c init */
 990         if (cx->card->hw_all & CX18_HW_GPIO_RESET_CTRL) {
 991                 if (cx18_gpio_register(cx, CX18_HW_GPIO_RESET_CTRL) != 0)
 992                         CX18_WARN("Could not register GPIO reset controllersubdevice; proceeding anyway.\n");
 993                 else
 994                         cx->hw_flags |= CX18_HW_GPIO_RESET_CTRL;
 995         }
 996
 997         /* active i2c  */
 998         CX18_DEBUG_INFO("activating i2c...\n");
 999         retval = init_cx18_i2c(cx);
1000         if (retval) {
1001                 CX18_ERR("Could not initialize i2c\n");
1002                 goto free_map;
1003         }
1004
1005         if (cx->card->hw_all & CX18_HW_TVEEPROM) {
1006                 /* Based on the model number the cardtype may be changed.
1007                    The PCI IDs are not always reliable. */
1008                 const struct cx18_card *orig_card = cx->card;
1009                 cx18_process_eeprom(cx);
1010
1011                 if (cx->card != orig_card) {
1012                         /* Changed the cardtype; re-reset the I2C chips */
1013                         cx18_gpio_init(cx);
1014                         cx18_call_hw(cx, CX18_HW_GPIO_RESET_CTRL,
1015                                         core, reset, (u32) CX18_GPIO_RESET_I2C);
1016                 }
1017         }
1018         if (cx->card->comment)
1019                 CX18_INFO("%s", cx->card->comment);
1020         if (cx->card->v4l2_capabilities == 0) {
1021                 retval = -ENODEV;
1022                 goto free_i2c;
1023         }
1024         cx18_init_memory(cx);
1025         cx18_init_scb(cx);
1026
1027         /* Register IRQ */
1028         retval = request_irq(cx->pci_dev->irq, cx18_irq_handler,
1029                              IRQF_SHARED, cx->v4l2_dev.name, (void *)cx);
1030         if (retval) {
1031                 CX18_ERR("Failed to register irq %d\n", retval);
1032                 goto free_i2c;
1033         }
1034
1035         if (cx->std == 0)
1036                 cx->std = V4L2_STD_NTSC_M;
1037
1038         if (cx->options.tuner == -1) {
1039                 for (i = 0; i < CX18_CARD_MAX_TUNERS; i++) {
1040                         if ((cx->std & cx->card->tuners[i].std) == 0)
1041                                 continue;
1042                         cx->options.tuner = cx->card->tuners[i].tuner;
1043                         break;
1044                 }
1045         }
1046         /* if no tuner was found, then pick the first tuner in the card list */
1047         if (cx->options.tuner == -1 && cx->card->tuners[0].std) {
1048                 cx->std = cx->card->tuners[0].std;
1049                 if (cx->std & V4L2_STD_PAL)
1050                         cx->std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
1051                 else if (cx->std & V4L2_STD_NTSC)
1052                         cx->std = V4L2_STD_NTSC_M;
1053                 else if (cx->std & V4L2_STD_SECAM)
1054                         cx->std = V4L2_STD_SECAM_L;
1055                 cx->options.tuner = cx->card->tuners[0].tuner;
1056         }
1057         if (cx->options.radio == -1)
1058                 cx->options.radio = (cx->card->radio_input.audio_type != 0);
1059
1060         /* The card is now fully identified, continue with card-specific
1061            initialization. */
1062         cx18_init_struct2(cx);
1063
1064         cx18_init_subdevs(cx);
1065
1066         if (cx->std & V4L2_STD_525_60)
1067                 cx->is_60hz = 1;
1068         else
1069                 cx->is_50hz = 1;
1070
1071         cx2341x_handler_set_50hz(&cx->cxhdl, !cx->is_60hz);
1072
1073         if (cx->options.radio > 0)
1074                 cx->v4l2_cap |= V4L2_CAP_RADIO;
1075
1076         if (cx->options.tuner > -1) {
1077                 struct tuner_setup setup;
1078
1079                 setup.addr = ADDR_UNSET;
1080                 setup.type = cx->options.tuner;
1081                 setup.mode_mask = T_ANALOG_TV;  /* matches TV tuners */
1082                 setup.config = NULL;
1083                 if (cx->options.radio > 0)
1084                         setup.mode_mask |= T_RADIO;
1085                 setup.tuner_callback = (setup.type == TUNER_XC2028) ?
1086                         cx18_reset_tuner_gpio : NULL;
1087                 cx18_call_all(cx, tuner, s_type_addr, &setup);
1088                 if (setup.type == TUNER_XC2028) {
1089                         static struct xc2028_ctrl ctrl = {
1090                                 .fname = XC2028_DEFAULT_FIRMWARE,
1091                                 .max_len = 64,
1092                         };
1093                         struct v4l2_priv_tun_config cfg = {
1094                                 .tuner = cx->options.tuner,
1095                                 .priv = &ctrl,
1096                         };
1097                         cx18_call_all(cx, tuner, s_config, &cfg);
1098                 }
1099         }
1100
1101         /* The tuner is fixed to the standard. The other inputs (e.g. S-Video)
1102            are not. */
1103         cx->tuner_std = cx->std;
1104         if (cx->std == V4L2_STD_ALL)
1105                 cx->std = V4L2_STD_NTSC_M;
1106
1107         retval = cx18_streams_setup(cx);
1108         if (retval) {
1109                 CX18_ERR("Error %d setting up streams\n", retval);
1110                 goto free_irq;
1111         }
1112         retval = cx18_streams_register(cx);
1113         if (retval) {
1114                 CX18_ERR("Error %d registering devices\n", retval);
1115                 goto free_streams;
1116         }
1117
1118         CX18_INFO("Initialized card: %s\n", cx->card_name);
1119
1120         /* Load cx18 submodules (cx18-alsa) */
1121         request_modules(cx);
1122         return 0;
1123
1124 free_streams:
1125         cx18_streams_cleanup(cx, 1);
1126 free_irq:
1127         free_irq(cx->pci_dev->irq, (void *)cx);
1128 free_i2c:
1129         exit_cx18_i2c(cx);
1130 free_map:
1131         cx18_iounmap(cx);
1132 free_mem:
1133         release_mem_region(cx->base_addr, CX18_MEM_SIZE);
1134 free_workqueues:
1135         destroy_workqueue(cx->in_work_queue);
1136 err:
1137         CX18_ERR("Error %d on initialization\n", retval);
1138
1139         v4l2_device_unregister(&cx->v4l2_dev);
1140         kfree(cx);
1141         return retval;
1142 }
1143
1144 int cx18_init_on_first_open(struct cx18 *cx)
1145 {
1146         int video_input;
1147         int fw_retry_count = 3;
1148         struct v4l2_frequency vf;
1149         struct cx18_open_id fh;
1150         v4l2_std_id std;
1151
1152         fh.cx = cx;
1153
1154         if (test_bit(CX18_F_I_FAILED, &cx->i_flags))
1155                 return -ENXIO;
1156
1157         if (test_and_set_bit(CX18_F_I_INITED, &cx->i_flags))
1158                 return 0;
1159
1160         while (--fw_retry_count > 0) {
1161                 /* load firmware */
1162                 if (cx18_firmware_init(cx) == 0)
1163                         break;
1164                 if (fw_retry_count > 1)
1165                         CX18_WARN("Retry loading firmware\n");
1166         }
1167
1168         if (fw_retry_count == 0) {
1169                 set_bit(CX18_F_I_FAILED, &cx->i_flags);
1170                 return -ENXIO;
1171         }
1172         set_bit(CX18_F_I_LOADED_FW, &cx->i_flags);
1173
1174         /*
1175          * Init the firmware twice to work around a silicon bug
1176          * with the digital TS.
1177          *
1178          * The second firmware load requires us to normalize the APU state,
1179          * or the audio for the first analog capture will be badly incorrect.
1180          *
1181          * I can't seem to call APU_RESETAI and have it succeed without the
1182          * APU capturing audio, so we start and stop it here to do the reset
1183          */
1184
1185         /* MPEG Encoding, 224 kbps, MPEG Layer II, 48 ksps */
1186         cx18_vapi(cx, CX18_APU_START, 2, CX18_APU_ENCODING_METHOD_MPEG|0xb9, 0);
1187         cx18_vapi(cx, CX18_APU_RESETAI, 0);
1188         cx18_vapi(cx, CX18_APU_STOP, 1, CX18_APU_ENCODING_METHOD_MPEG);
1189
1190         fw_retry_count = 3;
1191         while (--fw_retry_count > 0) {
1192                 /* load firmware */
1193                 if (cx18_firmware_init(cx) == 0)
1194                         break;
1195                 if (fw_retry_count > 1)
1196                         CX18_WARN("Retry loading firmware\n");
1197         }
1198
1199         if (fw_retry_count == 0) {
1200                 set_bit(CX18_F_I_FAILED, &cx->i_flags);
1201                 return -ENXIO;
1202         }
1203
1204         /*
1205          * The second firmware load requires us to normalize the APU state,
1206          * or the audio for the first analog capture will be badly incorrect.
1207          *
1208          * I can't seem to call APU_RESETAI and have it succeed without the
1209          * APU capturing audio, so we start and stop it here to do the reset
1210          */
1211
1212         /* MPEG Encoding, 224 kbps, MPEG Layer II, 48 ksps */
1213         cx18_vapi(cx, CX18_APU_START, 2, CX18_APU_ENCODING_METHOD_MPEG|0xb9, 0);
1214         cx18_vapi(cx, CX18_APU_RESETAI, 0);
1215         cx18_vapi(cx, CX18_APU_STOP, 1, CX18_APU_ENCODING_METHOD_MPEG);
1216
1217         /* Init the A/V decoder, if it hasn't been already */
1218         v4l2_subdev_call(cx->sd_av, core, load_fw);
1219
1220         vf.tuner = 0;
1221         vf.type = V4L2_TUNER_ANALOG_TV;
1222         vf.frequency = 6400; /* the tuner 'baseline' frequency */
1223
1224         /* Set initial frequency. For PAL/SECAM broadcasts no
1225            'default' channel exists AFAIK. */
1226         if (cx->std == V4L2_STD_NTSC_M_JP)
1227                 vf.frequency = 1460;    /* ch. 1 91250*16/1000 */
1228         else if (cx->std & V4L2_STD_NTSC_M)
1229                 vf.frequency = 1076;    /* ch. 4 67250*16/1000 */
1230
1231         video_input = cx->active_input;
1232         cx->active_input++;     /* Force update of input */
1233         cx18_s_input(NULL, &fh, video_input);
1234
1235         /* Let the VIDIOC_S_STD ioctl do all the work, keeps the code
1236            in one place. */
1237         cx->std++;              /* Force full standard initialization */
1238         std = (cx->tuner_std == V4L2_STD_ALL) ? V4L2_STD_NTSC_M : cx->tuner_std;
1239         cx18_s_std(NULL, &fh, std);
1240         cx18_s_frequency(NULL, &fh, &vf);
1241         return 0;
1242 }
1243
1244 static void cx18_cancel_in_work_orders(struct cx18 *cx)
1245 {
1246         int i;
1247         for (i = 0; i < CX18_MAX_IN_WORK_ORDERS; i++)
1248                 cancel_work_sync(&cx->in_work_order[i].work);
1249 }
1250
1251 static void cx18_cancel_out_work_orders(struct cx18 *cx)
1252 {
1253         int i;
1254         for (i = 0; i < CX18_MAX_STREAMS; i++)
1255                 if (cx->streams[i].video_dev.v4l2_dev)
1256                         cancel_work_sync(&cx->streams[i].out_work_order);
1257 }
1258
1259 static void cx18_remove(struct pci_dev *pci_dev)
1260 {
1261         struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1262         struct cx18 *cx = to_cx18(v4l2_dev);
1263         int i;
1264
1265         CX18_DEBUG_INFO("Removing Card\n");
1266
1267         flush_request_modules(cx);
1268
1269         /* Stop all captures */
1270         CX18_DEBUG_INFO("Stopping all streams\n");
1271         if (atomic_read(&cx->tot_capturing) > 0)
1272                 cx18_stop_all_captures(cx);
1273
1274         /* Stop interrupts that cause incoming work to be queued */
1275         cx18_sw1_irq_disable(cx, IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU);
1276
1277         /* Incoming work can cause outgoing work, so clean up incoming first */
1278         cx18_cancel_in_work_orders(cx);
1279         cx18_cancel_out_work_orders(cx);
1280
1281         /* Stop ack interrupts that may have been needed for work to finish */
1282         cx18_sw2_irq_disable(cx, IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK);
1283
1284         cx18_halt_firmware(cx);
1285
1286         destroy_workqueue(cx->in_work_queue);
1287
1288         cx18_streams_cleanup(cx, 1);
1289
1290         exit_cx18_i2c(cx);
1291
1292         free_irq(cx->pci_dev->irq, (void *)cx);
1293
1294         cx18_iounmap(cx);
1295
1296         release_mem_region(cx->base_addr, CX18_MEM_SIZE);
1297
1298         pci_disable_device(cx->pci_dev);
1299
1300         if (cx->vbi.sliced_mpeg_data[0])
1301                 for (i = 0; i < CX18_VBI_FRAMES; i++)
1302                         kfree(cx->vbi.sliced_mpeg_data[i]);
1303
1304         v4l2_ctrl_handler_free(&cx->av_state.hdl);
1305
1306         CX18_INFO("Removed %s\n", cx->card_name);
1307
1308         v4l2_device_unregister(v4l2_dev);
1309         kfree(cx);
1310 }
1311
1312
1313 /* define a pci_driver for card detection */
1314 static struct pci_driver cx18_pci_driver = {
1315       .name =     "cx18",
1316       .id_table = cx18_pci_tbl,
1317       .probe =    cx18_probe,
1318       .remove =   cx18_remove,
1319 };
1320
1321 static int __init module_start(void)
1322 {
1323         printk(KERN_INFO "cx18:  Start initialization, version %s\n",
1324                CX18_VERSION);
1325
1326         /* Validate parameters */
1327         if (cx18_first_minor < 0 || cx18_first_minor >= CX18_MAX_CARDS) {
1328                 printk(KERN_ERR "cx18:  Exiting, cx18_first_minor must be between 0 and %d\n",
1329                      CX18_MAX_CARDS - 1);
1330                 return -1;
1331         }
1332
1333         if (cx18_debug < 0 || cx18_debug > 511) {
1334                 cx18_debug = 0;
1335                 printk(KERN_INFO "cx18:   Debug value must be >= 0 and <= 511!\n");
1336         }
1337
1338         if (pci_register_driver(&cx18_pci_driver)) {
1339                 printk(KERN_ERR "cx18:   Error detecting PCI card\n");
1340                 return -ENODEV;
1341         }
1342         printk(KERN_INFO "cx18:  End initialization\n");
1343         return 0;
1344 }
1345
1346 static void __exit module_cleanup(void)
1347 {
1348         pci_unregister_driver(&cx18_pci_driver);
1349 }
1350
1351 module_init(module_start);
1352 module_exit(module_cleanup);
1353 MODULE_FIRMWARE(XC2028_DEFAULT_FIRMWARE);