drivers/media/video/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  *  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 "tuner-xc2028.h"
  40
  41 #include <media/tveeprom.h>
  42
  43 /* If you have already X v4l cards, then set this to X. This way
  44    the device numbers stay matched. Example: you have a WinTV card
  45    without radio and a Compro H900 with. Normally this would give a
  46    video1 device together with a radio0 device for the Compro. By
  47    setting this to 1 you ensure that radio0 is now also radio1. */
  48 int cx18_first_minor;
  49
  50 /* Callback for registering extensions */
  51 int (*cx18_ext_init)(struct cx18 *);
  52 EXPORT_SYMBOL(cx18_ext_init);
  53
  54 /* add your revision and whatnot here */
  55 static struct pci_device_id cx18_pci_tbl[] __devinitdata = {
  56         {PCI_VENDOR_ID_CX, PCI_DEVICE_ID_CX23418,
  57          PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
  58         {0,}
  59 };
  60
  61 MODULE_DEVICE_TABLE(pci, cx18_pci_tbl);
  62
  63 static atomic_t cx18_instance = ATOMIC_INIT(0);
  64
  65 /* Parameter declarations */
  66 static int cardtype[CX18_MAX_CARDS];
  67 static int tuner[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 int radio[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
  72                                      -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 static unsigned cardtype_c = 1;
  76 static unsigned tuner_c = 1;
  77 static unsigned radio_c = 1;
  78 static char pal[] = "--";
  79 static char secam[] = "--";
  80 static char ntsc[] = "-";
  81
  82 /* Buffers */
  83 static int enc_ts_buffers = CX18_DEFAULT_ENC_TS_BUFFERS;
  84 static int enc_mpg_buffers = CX18_DEFAULT_ENC_MPG_BUFFERS;
  85 static int enc_idx_buffers = CX18_DEFAULT_ENC_IDX_BUFFERS;
  86 static int enc_yuv_buffers = CX18_DEFAULT_ENC_YUV_BUFFERS;
  87 static int enc_vbi_buffers = CX18_DEFAULT_ENC_VBI_BUFFERS;
  88 static int enc_pcm_buffers = CX18_DEFAULT_ENC_PCM_BUFFERS;
  89
  90 static int enc_ts_bufsize = CX18_DEFAULT_ENC_TS_BUFSIZE;
  91 static int enc_mpg_bufsize = CX18_DEFAULT_ENC_MPG_BUFSIZE;
  92 static int enc_idx_bufsize = CX18_DEFAULT_ENC_IDX_BUFSIZE;
  93 static int enc_yuv_bufsize = CX18_DEFAULT_ENC_YUV_BUFSIZE;
  94 static int enc_pcm_bufsize = CX18_DEFAULT_ENC_PCM_BUFSIZE;
  95
  96 static int enc_ts_bufs = -1;
  97 static int enc_mpg_bufs = -1;
  98 static int enc_idx_bufs = CX18_MAX_FW_MDLS_PER_STREAM;
  99 static int enc_yuv_bufs = -1;
 100 static int enc_vbi_bufs = -1;
 101 static int enc_pcm_bufs = -1;
 102
 103
 104 static int cx18_pci_latency = 1;
 105
 106 static int mmio_ndelay;
 107 static int retry_mmio = 1;
 108
 109 int cx18_debug;
 110
 111 module_param_array(tuner, int, &tuner_c, 0644);
 112 module_param_array(radio, bool, &radio_c, 0644);
 113 module_param_array(cardtype, int, &cardtype_c, 0644);
 114 module_param_string(pal, pal, sizeof(pal), 0644);
 115 module_param_string(secam, secam, sizeof(secam), 0644);
 116 module_param_string(ntsc, ntsc, sizeof(ntsc), 0644);
 117 module_param_named(debug, cx18_debug, int, 0644);
 118 module_param(mmio_ndelay, int, 0644);
 119 module_param(retry_mmio, int, 0644);
 120 module_param(cx18_pci_latency, int, 0644);
 121 module_param(cx18_first_minor, int, 0644);
 122
 123 module_param(enc_ts_buffers, int, 0644);
 124 module_param(enc_mpg_buffers, int, 0644);
 125 module_param(enc_idx_buffers, int, 0644);
 126 module_param(enc_yuv_buffers, int, 0644);
 127 module_param(enc_vbi_buffers, int, 0644);
 128 module_param(enc_pcm_buffers, int, 0644);
 129
 130 module_param(enc_ts_bufsize, int, 0644);
 131 module_param(enc_mpg_bufsize, int, 0644);
 132 module_param(enc_idx_bufsize, int, 0644);
 133 module_param(enc_yuv_bufsize, int, 0644);
 134 module_param(enc_pcm_bufsize, int, 0644);
 135
 136 module_param(enc_ts_bufs, int, 0644);
 137 module_param(enc_mpg_bufs, int, 0644);
 138 module_param(enc_idx_bufs, int, 0644);
 139 module_param(enc_yuv_bufs, int, 0644);
 140 module_param(enc_vbi_bufs, int, 0644);
 141 module_param(enc_pcm_bufs, int, 0644);
 142
 143 MODULE_PARM_DESC(tuner, "Tuner type selection,\n"
 144                         "\t\t\tsee tuner.h for values");
 145 MODULE_PARM_DESC(radio,
 146                  "Enable or disable the radio. Use only if autodetection\n"
 147                  "\t\t\tfails. 0 = disable, 1 = enable");
 148 MODULE_PARM_DESC(cardtype,
 149                  "Only use this option if your card is not detected properly.\n"
 150                  "\t\tSpecify card type:\n"
 151                  "\t\t\t 1 = Hauppauge HVR 1600 (ESMT memory)\n"
 152                  "\t\t\t 2 = Hauppauge HVR 1600 (Samsung memory)\n"
 153                  "\t\t\t 3 = Compro VideoMate H900\n"
 154                  "\t\t\t 4 = Yuan MPC718\n"
 155                  "\t\t\t 5 = Conexant Raptor PAL/SECAM\n"
 156                  "\t\t\t 6 = Toshiba Qosmio DVB-T/Analog\n"
 157                  "\t\t\t 7 = Leadtek WinFast PVR2100\n"
 158                  "\t\t\t 8 = Leadtek WinFast DVR3100 H\n"
 159                  "\t\t\t 9 = GoTView PCI DVD3 Hybrid\n"
 160                  "\t\t\t 0 = Autodetect (default)\n"
 161                  "\t\t\t-1 = Ignore this card\n\t\t");
 162 MODULE_PARM_DESC(pal, "Set PAL standard: B, G, H, D, K, I, M, N, Nc, 60");
 163 MODULE_PARM_DESC(secam, "Set SECAM standard: B, G, H, D, K, L, LC");
 164 MODULE_PARM_DESC(ntsc, "Set NTSC standard: M, J, K");
 165 MODULE_PARM_DESC(debug,
 166                  "Debug level (bitmask). Default: 0\n"
 167                  "\t\t\t  1/0x0001: warning\n"
 168                  "\t\t\t  2/0x0002: info\n"
 169                  "\t\t\t  4/0x0004: mailbox\n"
 170                  "\t\t\t  8/0x0008: dma\n"
 171                  "\t\t\t 16/0x0010: ioctl\n"
 172                  "\t\t\t 32/0x0020: file\n"
 173                  "\t\t\t 64/0x0040: i2c\n"
 174                  "\t\t\t128/0x0080: irq\n"
 175                  "\t\t\t256/0x0100: high volume\n");
 176 MODULE_PARM_DESC(cx18_pci_latency,
 177                  "Change the PCI latency to 64 if lower: 0 = No, 1 = Yes,\n"
 178                  "\t\t\tDefault: Yes");
 179 MODULE_PARM_DESC(retry_mmio,
 180                  "(Deprecated) MMIO writes are now always checked and retried\n"
 181                  "\t\t\tEffectively: 1 [Yes]");
 182 MODULE_PARM_DESC(mmio_ndelay,
 183                  "(Deprecated) MMIO accesses are now never purposely delayed\n"
 184                  "\t\t\tEffectively: 0 ns");
 185 MODULE_PARM_DESC(enc_ts_buffers,
 186                  "Encoder TS buffer memory (MB). (enc_ts_bufs can override)\n"
 187                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_TS_BUFFERS));
 188 MODULE_PARM_DESC(enc_ts_bufsize,
 189                  "Size of an encoder TS buffer (kB)\n"
 190                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_TS_BUFSIZE));
 191 MODULE_PARM_DESC(enc_ts_bufs,
 192                  "Number of encoder TS buffers\n"
 193                  "\t\t\tDefault is computed from other enc_ts_* parameters");
 194 MODULE_PARM_DESC(enc_mpg_buffers,
 195                  "Encoder MPG buffer memory (MB). (enc_mpg_bufs can override)\n"
 196                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFFERS));
 197 MODULE_PARM_DESC(enc_mpg_bufsize,
 198                  "Size of an encoder MPG buffer (kB)\n"
 199                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFSIZE));
 200 MODULE_PARM_DESC(enc_mpg_bufs,
 201                  "Number of encoder MPG buffers\n"
 202                  "\t\t\tDefault is computed from other enc_mpg_* parameters");
 203 MODULE_PARM_DESC(enc_idx_buffers,
 204                  "(Deprecated) Encoder IDX buffer memory (MB)\n"
 205                  "\t\t\tIgnored, except 0 disables IDX buffer allocations\n"
 206                  "\t\t\tDefault: 1 [Enabled]");
 207 MODULE_PARM_DESC(enc_idx_bufsize,
 208                  "Size of an encoder IDX buffer (kB)\n"
 209                  "\t\t\tAllowed values are multiples of 1.5 kB rounded up\n"
 210                  "\t\t\t(multiples of size required for 64 index entries)\n"
 211                  "\t\t\tDefault: 2");
 212 MODULE_PARM_DESC(enc_idx_bufs,
 213                  "Number of encoder IDX buffers\n"
 214                  "\t\t\tDefault: " __stringify(CX18_MAX_FW_MDLS_PER_STREAM));
 215 MODULE_PARM_DESC(enc_yuv_buffers,
 216                  "Encoder YUV buffer memory (MB). (enc_yuv_bufs can override)\n"
 217                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_YUV_BUFFERS));
 218 MODULE_PARM_DESC(enc_yuv_bufsize,
 219                  "Size of an encoder YUV buffer (kB)\n"
 220                  "\t\t\tAllowed values are multiples of 33.75 kB rounded up\n"
 221                  "\t\t\t(multiples of size required for 32 screen lines)\n"
 222                  "\t\t\tDefault: 102");
 223 MODULE_PARM_DESC(enc_yuv_bufs,
 224                  "Number of encoder YUV buffers\n"
 225                  "\t\t\tDefault is computed from other enc_yuv_* parameters");
 226 MODULE_PARM_DESC(enc_vbi_buffers,
 227                  "Encoder VBI buffer memory (MB). (enc_vbi_bufs can override)\n"
 228                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_VBI_BUFFERS));
 229 MODULE_PARM_DESC(enc_vbi_bufs,
 230                  "Number of encoder VBI buffers\n"
 231                  "\t\t\tDefault is computed from enc_vbi_buffers");
 232 MODULE_PARM_DESC(enc_pcm_buffers,
 233                  "Encoder PCM buffer memory (MB). (enc_pcm_bufs can override)\n"
 234                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_PCM_BUFFERS));
 235 MODULE_PARM_DESC(enc_pcm_bufsize,
 236                  "Size of an encoder PCM buffer (kB)\n"
 237                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_PCM_BUFSIZE));
 238 MODULE_PARM_DESC(enc_pcm_bufs,
 239                  "Number of encoder PCM buffers\n"
 240                  "\t\t\tDefault is computed from other enc_pcm_* parameters");
 241
 242 MODULE_PARM_DESC(cx18_first_minor,
 243                  "Set device node number assigned to first card");
 244
 245 MODULE_AUTHOR("Hans Verkuil");
 246 MODULE_DESCRIPTION("CX23418 driver");
 247 MODULE_SUPPORTED_DEVICE("CX23418 MPEG2 encoder");
 248 MODULE_LICENSE("GPL");
 249
 250 MODULE_VERSION(CX18_VERSION);
 251
 252 #if defined(CONFIG_MODULES) && defined(MODULE)
 253 static void request_module_async(struct work_struct *work)
 254 {
 255         struct cx18 *dev = container_of(work, struct cx18, request_module_wk);
 256
 257         /* Make sure cx18-alsa module is loaded */
 258         request_module("cx18-alsa");
 259
 260         /* Initialize cx18-alsa for this instance of the cx18 device */
 261         if (cx18_ext_init != NULL)
 262                 cx18_ext_init(dev);
 263 }
 264
 265 static void request_modules(struct cx18 *dev)
 266 {
 267         INIT_WORK(&dev->request_module_wk, request_module_async);
 268         schedule_work(&dev->request_module_wk);
 269 }
 270
 271 static void flush_request_modules(struct cx18 *dev)
 272 {
 273         flush_work_sync(&dev->request_module_wk);
 274 }
 275 #else
 276 #define request_modules(dev)
 277 #define flush_request_modules(dev)
 278 #endif /* CONFIG_MODULES */
 279
 280 /* Generic utility functions */
 281 int cx18_msleep_timeout(unsigned int msecs, int intr)
 282 {
 283         long int timeout = msecs_to_jiffies(msecs);
 284         int sig;
 285
 286         do {
 287                 set_current_state(intr ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);
 288                 timeout = schedule_timeout(timeout);
 289                 sig = intr ? signal_pending(current) : 0;
 290         } while (!sig && timeout);
 291         return sig;
 292 }
 293
 294 /* Release ioremapped memory */
 295 static void cx18_iounmap(struct cx18 *cx)
 296 {
 297         if (cx == NULL)
 298                 return;
 299
 300         /* Release io memory */
 301         if (cx->enc_mem != NULL) {
 302                 CX18_DEBUG_INFO("releasing enc_mem\n");
 303                 iounmap(cx->enc_mem);
 304                 cx->enc_mem = NULL;
 305         }
 306 }
 307
 308 static void cx18_eeprom_dump(struct cx18 *cx, unsigned char *eedata, int len)
 309 {
 310         int i;
 311
 312         CX18_INFO("eeprom dump:\n");
 313         for (i = 0; i < len; i++) {
 314                 if (0 == (i % 16))
 315                         CX18_INFO("eeprom %02x:", i);
 316                 printk(KERN_CONT " %02x", eedata[i]);
 317                 if (15 == (i % 16))
 318                         printk(KERN_CONT "\n");
 319         }
 320 }
 321
 322 /* Hauppauge card? get values from tveeprom */
 323 void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv)
 324 {
 325         struct i2c_client c;
 326         u8 eedata[256];
 327
 328         memset(&c, 0, sizeof(c));
 329         strlcpy(c.name, "cx18 tveeprom tmp", sizeof(c.name));
 330         c.adapter = &cx->i2c_adap[0];
 331         c.addr = 0xA0 >> 1;
 332
 333         memset(tv, 0, sizeof(*tv));
 334         if (tveeprom_read(&c, eedata, sizeof(eedata)))
 335                 return;
 336
 337         switch (cx->card->type) {
 338         case CX18_CARD_HVR_1600_ESMT:
 339         case CX18_CARD_HVR_1600_SAMSUNG:
 340                 tveeprom_hauppauge_analog(&c, tv, eedata);
 341                 break;
 342         case CX18_CARD_YUAN_MPC718:
 343         case CX18_CARD_GOTVIEW_PCI_DVD3:
 344                 tv->model = 0x718;
 345                 cx18_eeprom_dump(cx, eedata, sizeof(eedata));
 346                 CX18_INFO("eeprom PCI ID: %02x%02x:%02x%02x\n",
 347                           eedata[2], eedata[1], eedata[4], eedata[3]);
 348                 break;
 349         default:
 350                 tv->model = 0xffffffff;
 351                 cx18_eeprom_dump(cx, eedata, sizeof(eedata));
 352                 break;
 353         }
 354 }
 355
 356 static void cx18_process_eeprom(struct cx18 *cx)
 357 {
 358         struct tveeprom tv;
 359
 360         cx18_read_eeprom(cx, &tv);
 361
 362         /* Many thanks to Steven Toth from Hauppauge for providing the
 363            model numbers */
 364         /* Note: the Samsung memory models cannot be reliably determined
 365            from the model number. Use the cardtype module option if you
 366            have one of these preproduction models. */
 367         switch (tv.model) {
 368         case 74000 ... 74999:
 369                 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
 370                 break;
 371         case 0x718:
 372                 return;
 373         case 0xffffffff:
 374                 CX18_INFO("Unknown EEPROM encoding\n");
 375                 return;
 376         case 0:
 377                 CX18_ERR("Invalid EEPROM\n");
 378                 return;
 379         default:
 380                 CX18_ERR("Unknown model %d, defaulting to HVR-1600\n", tv.model);
 381                 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
 382                 break;
 383         }
 384
 385         cx->v4l2_cap = cx->card->v4l2_capabilities;
 386         cx->card_name = cx->card->name;
 387         cx->card_i2c = cx->card->i2c;
 388
 389         CX18_INFO("Autodetected %s\n", cx->card_name);
 390
 391         if (tv.tuner_type == TUNER_ABSENT)
 392                 CX18_ERR("tveeprom cannot autodetect tuner!\n");
 393
 394         if (cx->options.tuner == -1)
 395                 cx->options.tuner = tv.tuner_type;
 396         if (cx->options.radio == -1)
 397                 cx->options.radio = (tv.has_radio != 0);
 398
 399         if (cx->std != 0)
 400                 /* user specified tuner standard */
 401                 return;
 402
 403         /* autodetect tuner standard */
 404         if (tv.tuner_formats & V4L2_STD_PAL) {
 405                 CX18_DEBUG_INFO("PAL tuner detected\n");
 406                 cx->std |= V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
 407         } else if (tv.tuner_formats & V4L2_STD_NTSC) {
 408                 CX18_DEBUG_INFO("NTSC tuner detected\n");
 409                 cx->std |= V4L2_STD_NTSC_M;
 410         } else if (tv.tuner_formats & V4L2_STD_SECAM) {
 411                 CX18_DEBUG_INFO("SECAM tuner detected\n");
 412                 cx->std |= V4L2_STD_SECAM_L;
 413         } else {
 414                 CX18_INFO("No tuner detected, default to NTSC-M\n");
 415                 cx->std |= V4L2_STD_NTSC_M;
 416         }
 417 }
 418
 419 static v4l2_std_id cx18_parse_std(struct cx18 *cx)
 420 {
 421         switch (pal[0]) {
 422         case '6':
 423                 return V4L2_STD_PAL_60;
 424         case 'b':
 425         case 'B':
 426         case 'g':
 427         case 'G':
 428                 return V4L2_STD_PAL_BG;
 429         case 'h':
 430         case 'H':
 431                 return V4L2_STD_PAL_H;
 432         case 'n':
 433         case 'N':
 434                 if (pal[1] == 'c' || pal[1] == 'C')
 435                         return V4L2_STD_PAL_Nc;
 436                 return V4L2_STD_PAL_N;
 437         case 'i':
 438         case 'I':
 439                 return V4L2_STD_PAL_I;
 440         case 'd':
 441         case 'D':
 442         case 'k':
 443         case 'K':
 444                 return V4L2_STD_PAL_DK;
 445         case 'M':
 446         case 'm':
 447                 return V4L2_STD_PAL_M;
 448         case '-':
 449                 break;
 450         default:
 451                 CX18_WARN("pal= argument not recognised\n");
 452                 return 0;
 453         }
 454
 455         switch (secam[0]) {
 456         case 'b':
 457         case 'B':
 458         case 'g':
 459         case 'G':
 460         case 'h':
 461         case 'H':
 462                 return V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H;
 463         case 'd':
 464         case 'D':
 465         case 'k':
 466         case 'K':
 467                 return V4L2_STD_SECAM_DK;
 468         case 'l':
 469         case 'L':
 470                 if (secam[1] == 'C' || secam[1] == 'c')
 471                         return V4L2_STD_SECAM_LC;
 472                 return V4L2_STD_SECAM_L;
 473         case '-':
 474                 break;
 475         default:
 476                 CX18_WARN("secam= argument not recognised\n");
 477                 return 0;
 478         }
 479
 480         switch (ntsc[0]) {
 481         case 'm':
 482         case 'M':
 483                 return V4L2_STD_NTSC_M;
 484         case 'j':
 485         case 'J':
 486                 return V4L2_STD_NTSC_M_JP;
 487         case 'k':
 488         case 'K':
 489                 return V4L2_STD_NTSC_M_KR;
 490         case '-':
 491                 break;
 492         default:
 493                 CX18_WARN("ntsc= argument not recognised\n");
 494                 return 0;
 495         }
 496
 497         /* no match found */
 498         return 0;
 499 }
 500
 501 static void cx18_process_options(struct cx18 *cx)
 502 {
 503         int i, j;
 504
 505         cx->options.megabytes[CX18_ENC_STREAM_TYPE_TS] = enc_ts_buffers;
 506         cx->options.megabytes[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_buffers;
 507         cx->options.megabytes[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_buffers;
 508         cx->options.megabytes[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_buffers;
 509         cx->options.megabytes[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_buffers;
 510         cx->options.megabytes[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_buffers;
 511         cx->options.megabytes[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control only */
 512
 513         cx->stream_buffers[CX18_ENC_STREAM_TYPE_TS] = enc_ts_bufs;
 514         cx->stream_buffers[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_bufs;
 515         cx->stream_buffers[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_bufs;
 516         cx->stream_buffers[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_bufs;
 517         cx->stream_buffers[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_bufs;
 518         cx->stream_buffers[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_bufs;
 519         cx->stream_buffers[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control, no data */
 520
 521         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_TS] = enc_ts_bufsize;
 522         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_bufsize;
 523         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_bufsize;
 524         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_bufsize;
 525         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_VBI] = vbi_active_samples * 36;
 526         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_bufsize;
 527         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control no data */
 528
 529         /* Ensure stream_buffers & stream_buf_size are valid */
 530         for (i = 0; i < CX18_MAX_STREAMS; i++) {
 531                 if (cx->stream_buffers[i] == 0 ||     /* User said 0 buffers */
 532                     cx->options.megabytes[i] <= 0 ||  /* User said 0 MB total */
 533                     cx->stream_buf_size[i] <= 0) {    /* User said buf size 0 */
 534                         cx->options.megabytes[i] = 0;
 535                         cx->stream_buffers[i] = 0;
 536                         cx->stream_buf_size[i] = 0;
 537                         continue;
 538                 }
 539                 /*
 540                  * YUV is a special case where the stream_buf_size needs to be
 541                  * an integral multiple of 33.75 kB (storage for 32 screens
 542                  * lines to maintain alignment in case of lost buffers).
 543                  *
 544                  * IDX is a special case where the stream_buf_size should be
 545                  * an integral multiple of 1.5 kB (storage for 64 index entries
 546                  * to maintain alignment in case of lost buffers).
 547                  *
 548                  */
 549                 if (i == CX18_ENC_STREAM_TYPE_YUV) {
 550                         cx->stream_buf_size[i] *= 1024;
 551                         cx->stream_buf_size[i] -=
 552                            (cx->stream_buf_size[i] % CX18_UNIT_ENC_YUV_BUFSIZE);
 553
 554                         if (cx->stream_buf_size[i] < CX18_UNIT_ENC_YUV_BUFSIZE)
 555                                 cx->stream_buf_size[i] =
 556                                                 CX18_UNIT_ENC_YUV_BUFSIZE;
 557                 } else if (i == CX18_ENC_STREAM_TYPE_IDX) {
 558                         cx->stream_buf_size[i] *= 1024;
 559                         cx->stream_buf_size[i] -=
 560                            (cx->stream_buf_size[i] % CX18_UNIT_ENC_IDX_BUFSIZE);
 561
 562                         if (cx->stream_buf_size[i] < CX18_UNIT_ENC_IDX_BUFSIZE)
 563                                 cx->stream_buf_size[i] =
 564                                                 CX18_UNIT_ENC_IDX_BUFSIZE;
 565                 }
 566                 /*
 567                  * YUV and IDX are special cases where the stream_buf_size is
 568                  * now in bytes.
 569                  * VBI is a special case where the stream_buf_size is fixed
 570                  * and already in bytes
 571                  */
 572                 if (i == CX18_ENC_STREAM_TYPE_VBI ||
 573                     i == CX18_ENC_STREAM_TYPE_YUV ||
 574                     i == CX18_ENC_STREAM_TYPE_IDX) {
 575                         if (cx->stream_buffers[i] < 0) {
 576                                 cx->stream_buffers[i] =
 577                                         cx->options.megabytes[i] * 1024 * 1024
 578                                         / cx->stream_buf_size[i];
 579                         } else {
 580                                 /* N.B. This might round down to 0 */
 581                                 cx->options.megabytes[i] =
 582                                         cx->stream_buffers[i]
 583                                         * cx->stream_buf_size[i]/(1024 * 1024);
 584                         }
 585                 } else {
 586                         /* All other streams have stream_buf_size in kB here */
 587                         if (cx->stream_buffers[i] < 0) {
 588                                 cx->stream_buffers[i] =
 589                                                 cx->options.megabytes[i] * 1024
 590                                                 / cx->stream_buf_size[i];
 591                         } else {
 592                                 /* N.B. This might round down to 0 */
 593                                 cx->options.megabytes[i] =
 594                                                 cx->stream_buffers[i]
 595                                                 * cx->stream_buf_size[i] / 1024;
 596                         }
 597                         /* convert from kB to bytes */
 598                         cx->stream_buf_size[i] *= 1024;
 599                 }
 600                 CX18_DEBUG_INFO("Stream type %d options: %d MB, %d buffers, "
 601                                 "%d bytes\n", i, cx->options.megabytes[i],
 602                                 cx->stream_buffers[i], cx->stream_buf_size[i]);
 603         }
 604
 605         cx->options.cardtype = cardtype[cx->instance];
 606         cx->options.tuner = tuner[cx->instance];
 607         cx->options.radio = radio[cx->instance];
 608
 609         cx->std = cx18_parse_std(cx);
 610         if (cx->options.cardtype == -1) {
 611                 CX18_INFO("Ignore card\n");
 612                 return;
 613         }
 614         cx->card = cx18_get_card(cx->options.cardtype - 1);
 615         if (cx->card)
 616                 CX18_INFO("User specified %s card\n", cx->card->name);
 617         else if (cx->options.cardtype != 0)
 618                 CX18_ERR("Unknown user specified type, trying to autodetect card\n");
 619         if (cx->card == NULL) {
 620                 if (cx->pci_dev->subsystem_vendor == CX18_PCI_ID_HAUPPAUGE) {
 621                         cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
 622                         CX18_INFO("Autodetected Hauppauge card\n");
 623                 }
 624         }
 625         if (cx->card == NULL) {
 626                 for (i = 0; (cx->card = cx18_get_card(i)); i++) {
 627                         if (cx->card->pci_list == NULL)
 628                                 continue;
 629                         for (j = 0; cx->card->pci_list[j].device; j++) {
 630                                 if (cx->pci_dev->device !=
 631                                     cx->card->pci_list[j].device)
 632                                         continue;
 633                                 if (cx->pci_dev->subsystem_vendor !=
 634                                     cx->card->pci_list[j].subsystem_vendor)
 635                                         continue;
 636                                 if (cx->pci_dev->subsystem_device !=
 637                                     cx->card->pci_list[j].subsystem_device)
 638                                         continue;
 639                                 CX18_INFO("Autodetected %s card\n", cx->card->name);
 640                                 goto done;
 641                         }
 642                 }
 643         }
 644 done:
 645
 646         if (cx->card == NULL) {
 647                 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
 648                 CX18_ERR("Unknown card: vendor/device: [%04x:%04x]\n",
 649                          cx->pci_dev->vendor, cx->pci_dev->device);
 650                 CX18_ERR("              subsystem vendor/device: [%04x:%04x]\n",
 651                          cx->pci_dev->subsystem_vendor,
 652                          cx->pci_dev->subsystem_device);
 653                 CX18_ERR("Defaulting to %s card\n", cx->card->name);
 654                 CX18_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n");
 655                 CX18_ERR("card you have to the ivtv-devel mailinglist (www.ivtvdriver.org)\n");
 656                 CX18_ERR("Prefix your subject line with [UNKNOWN CX18 CARD].\n");
 657         }
 658         cx->v4l2_cap = cx->card->v4l2_capabilities;
 659         cx->card_name = cx->card->name;
 660         cx->card_i2c = cx->card->i2c;
 661 }
 662
 663 static int __devinit cx18_create_in_workq(struct cx18 *cx)
 664 {
 665         snprintf(cx->in_workq_name, sizeof(cx->in_workq_name), "%s-in",
 666                  cx->v4l2_dev.name);
 667         cx->in_work_queue = alloc_ordered_workqueue(cx->in_workq_name, 0);
 668         if (cx->in_work_queue == NULL) {
 669                 CX18_ERR("Unable to create incoming mailbox handler thread\n");
 670                 return -ENOMEM;
 671         }
 672         return 0;
 673 }
 674
 675 static void __devinit cx18_init_in_work_orders(struct cx18 *cx)
 676 {
 677         int i;
 678         for (i = 0; i < CX18_MAX_IN_WORK_ORDERS; i++) {
 679                 cx->in_work_order[i].cx = cx;
 680                 cx->in_work_order[i].str = cx->epu_debug_str;
 681                 INIT_WORK(&cx->in_work_order[i].work, cx18_in_work_handler);
 682         }
 683 }
 684
 685 /* Precondition: the cx18 structure has been memset to 0. Only
 686    the dev and instance fields have been filled in.
 687    No assumptions on the card type may be made here (see cx18_init_struct2
 688    for that).
 689  */
 690 static int __devinit cx18_init_struct1(struct cx18 *cx)
 691 {
 692         int ret;
 693
 694         cx->base_addr = pci_resource_start(cx->pci_dev, 0);
 695
 696         mutex_init(&cx->serialize_lock);
 697         mutex_init(&cx->gpio_lock);
 698         mutex_init(&cx->epu2apu_mb_lock);
 699         mutex_init(&cx->epu2cpu_mb_lock);
 700
 701         ret = cx18_create_in_workq(cx);
 702         if (ret)
 703                 return ret;
 704
 705         cx18_init_in_work_orders(cx);
 706
 707         /* start counting open_id at 1 */
 708         cx->open_id = 1;
 709
 710         /* Initial settings */
 711         cx2341x_fill_defaults(&cx->params);
 712         cx->temporal_strength = cx->params.video_temporal_filter;
 713         cx->spatial_strength = cx->params.video_spatial_filter;
 714         cx->filter_mode = cx->params.video_spatial_filter_mode |
 715                 (cx->params.video_temporal_filter_mode << 1) |
 716                 (cx->params.video_median_filter_type << 2);
 717         cx->params.port = CX2341X_PORT_MEMORY;
 718         cx->params.capabilities =
 719                                 CX2341X_CAP_HAS_TS | CX2341X_CAP_HAS_SLICED_VBI;
 720         init_waitqueue_head(&cx->cap_w);
 721         init_waitqueue_head(&cx->mb_apu_waitq);
 722         init_waitqueue_head(&cx->mb_cpu_waitq);
 723         init_waitqueue_head(&cx->dma_waitq);
 724
 725         /* VBI */
 726         cx->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
 727         cx->vbi.sliced_in = &cx->vbi.in.fmt.sliced;
 728
 729         /* IVTV style VBI insertion into MPEG streams */
 730         INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_buf.list);
 731         INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_mdl.list);
 732         INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_mdl.buf_list);
 733         list_add(&cx->vbi.sliced_mpeg_buf.list,
 734                  &cx->vbi.sliced_mpeg_mdl.buf_list);
 735         return 0;
 736 }
 737
 738 /* Second initialization part. Here the card type has been
 739    autodetected. */
 740 static void __devinit cx18_init_struct2(struct cx18 *cx)
 741 {
 742         int i;
 743
 744         for (i = 0; i < CX18_CARD_MAX_VIDEO_INPUTS; i++)
 745                 if (cx->card->video_inputs[i].video_type == 0)
 746                         break;
 747         cx->nof_inputs = i;
 748         for (i = 0; i < CX18_CARD_MAX_AUDIO_INPUTS; i++)
 749                 if (cx->card->audio_inputs[i].audio_type == 0)
 750                         break;
 751         cx->nof_audio_inputs = i;
 752
 753         /* Find tuner input */
 754         for (i = 0; i < cx->nof_inputs; i++) {
 755                 if (cx->card->video_inputs[i].video_type ==
 756                                 CX18_CARD_INPUT_VID_TUNER)
 757                         break;
 758         }
 759         if (i == cx->nof_inputs)
 760                 i = 0;
 761         cx->active_input = i;
 762         cx->audio_input = cx->card->video_inputs[i].audio_index;
 763 }
 764
 765 static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *pci_dev,
 766                           const struct pci_device_id *pci_id)
 767 {
 768         u16 cmd;
 769         unsigned char pci_latency;
 770
 771         CX18_DEBUG_INFO("Enabling pci device\n");
 772
 773         if (pci_enable_device(pci_dev)) {
 774                 CX18_ERR("Can't enable device %d!\n", cx->instance);
 775                 return -EIO;
 776         }
 777         if (pci_set_dma_mask(pci_dev, 0xffffffff)) {
 778                 CX18_ERR("No suitable DMA available, card %d\n", cx->instance);
 779                 return -EIO;
 780         }
 781         if (!request_mem_region(cx->base_addr, CX18_MEM_SIZE, "cx18 encoder")) {
 782                 CX18_ERR("Cannot request encoder memory region, card %d\n",
 783                          cx->instance);
 784                 return -EIO;
 785         }
 786
 787         /* Enable bus mastering and memory mapped IO for the CX23418 */
 788         pci_read_config_word(pci_dev, PCI_COMMAND, &cmd);
 789         cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
 790         pci_write_config_word(pci_dev, PCI_COMMAND, cmd);
 791
 792         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &cx->card_rev);
 793         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency);
 794
 795         if (pci_latency < 64 && cx18_pci_latency) {
 796                 CX18_INFO("Unreasonably low latency timer, "
 797                                "setting to 64 (was %d)\n", pci_latency);
 798                 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, 64);
 799                 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency);
 800         }
 801
 802         CX18_DEBUG_INFO("cx%d (rev %d) at %02x:%02x.%x, "
 803                    "irq: %d, latency: %d, memory: 0x%lx\n",
 804                    cx->pci_dev->device, cx->card_rev, pci_dev->bus->number,
 805                    PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn),
 806                    cx->pci_dev->irq, pci_latency, (unsigned long)cx->base_addr);
 807
 808         return 0;
 809 }
 810
 811 static void cx18_init_subdevs(struct cx18 *cx)
 812 {
 813         u32 hw = cx->card->hw_all;
 814         u32 device;
 815         int i;
 816
 817         for (i = 0, device = 1; i < 32; i++, device <<= 1) {
 818
 819                 if (!(device & hw))
 820                         continue;
 821
 822                 switch (device) {
 823                 case CX18_HW_DVB:
 824                 case CX18_HW_TVEEPROM:
 825                         /* These subordinate devices do not use probing */
 826                         cx->hw_flags |= device;
 827                         break;
 828                 case CX18_HW_418_AV:
 829                         /* The A/V decoder gets probed earlier to set PLLs */
 830                         /* Just note that the card uses it (i.e. has analog) */
 831                         cx->hw_flags |= device;
 832                         break;
 833                 case CX18_HW_GPIO_RESET_CTRL:
 834                         /*
 835                          * The Reset Controller gets probed and added to
 836                          * hw_flags earlier for i2c adapter/bus initialization
 837                          */
 838                         break;
 839                 case CX18_HW_GPIO_MUX:
 840                         if (cx18_gpio_register(cx, device) == 0)
 841                                 cx->hw_flags |= device;
 842                         break;
 843                 default:
 844                         if (cx18_i2c_register(cx, i) == 0)
 845                                 cx->hw_flags |= device;
 846                         break;
 847                 }
 848         }
 849
 850         if (cx->hw_flags & CX18_HW_418_AV)
 851                 cx->sd_av = cx18_find_hw(cx, CX18_HW_418_AV);
 852
 853         if (cx->card->hw_muxer != 0)
 854                 cx->sd_extmux = cx18_find_hw(cx, cx->card->hw_muxer);
 855 }
 856
 857 static int __devinit cx18_probe(struct pci_dev *pci_dev,
 858                                 const struct pci_device_id *pci_id)
 859 {
 860         int retval = 0;
 861         int i;
 862         u32 devtype;
 863         struct cx18 *cx;
 864
 865         /* FIXME - module parameter arrays constrain max instances */
 866         i = atomic_inc_return(&cx18_instance) - 1;
 867         if (i >= CX18_MAX_CARDS) {
 868                 printk(KERN_ERR "cx18: cannot manage card %d, driver has a "
 869                        "limit of 0 - %d\n", i, CX18_MAX_CARDS - 1);
 870                 return -ENOMEM;
 871         }
 872
 873         cx = kzalloc(sizeof(struct cx18), GFP_ATOMIC);
 874         if (cx == NULL) {
 875                 printk(KERN_ERR "cx18: cannot manage card %d, out of memory\n",
 876                        i);
 877                 return -ENOMEM;
 878         }
 879         cx->pci_dev = pci_dev;
 880         cx->instance = i;
 881
 882         retval = v4l2_device_register(&pci_dev->dev, &cx->v4l2_dev);
 883         if (retval) {
 884                 printk(KERN_ERR "cx18: v4l2_device_register of card %d failed"
 885                        "\n", cx->instance);
 886                 kfree(cx);
 887                 return retval;
 888         }
 889         snprintf(cx->v4l2_dev.name, sizeof(cx->v4l2_dev.name), "cx18-%d",
 890                  cx->instance);
 891         CX18_INFO("Initializing card %d\n", cx->instance);
 892
 893         cx18_process_options(cx);
 894         if (cx->options.cardtype == -1) {
 895                 retval = -ENODEV;
 896                 goto err;
 897         }
 898
 899         retval = cx18_init_struct1(cx);
 900         if (retval)
 901                 goto err;
 902
 903         CX18_DEBUG_INFO("base addr: 0x%08x\n", cx->base_addr);
 904
 905         /* PCI Device Setup */
 906         retval = cx18_setup_pci(cx, pci_dev, pci_id);
 907         if (retval != 0)
 908                 goto free_workqueues;
 909
 910         /* map io memory */
 911         CX18_DEBUG_INFO("attempting ioremap at 0x%08x len 0x%08x\n",
 912                    cx->base_addr + CX18_MEM_OFFSET, CX18_MEM_SIZE);
 913         cx->enc_mem = ioremap_nocache(cx->base_addr + CX18_MEM_OFFSET,
 914                                        CX18_MEM_SIZE);
 915         if (!cx->enc_mem) {
 916                 CX18_ERR("ioremap failed. Can't get a window into CX23418 "
 917                          "memory and register space\n");
 918                 CX18_ERR("Each capture card with a CX23418 needs 64 MB of "
 919                          "vmalloc address space for the window\n");
 920                 CX18_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
 921                 CX18_ERR("Use the vmalloc= kernel command line option to set "
 922                          "VmallocTotal to a larger value\n");
 923                 retval = -ENOMEM;
 924                 goto free_mem;
 925         }
 926         cx->reg_mem = cx->enc_mem + CX18_REG_OFFSET;
 927         devtype = cx18_read_reg(cx, 0xC72028);
 928         switch (devtype & 0xff000000) {
 929         case 0xff000000:
 930                 CX18_INFO("cx23418 revision %08x (A)\n", devtype);
 931                 break;
 932         case 0x01000000:
 933                 CX18_INFO("cx23418 revision %08x (B)\n", devtype);
 934                 break;
 935         default:
 936                 CX18_INFO("cx23418 revision %08x (Unknown)\n", devtype);
 937                 break;
 938         }
 939
 940         cx18_init_power(cx, 1);
 941         cx18_init_memory(cx);
 942
 943         cx->scb = (struct cx18_scb __iomem *)(cx->enc_mem + SCB_OFFSET);
 944         cx18_init_scb(cx);
 945
 946         cx18_gpio_init(cx);
 947
 948         /* Initialize integrated A/V decoder early to set PLLs, just in case */
 949         retval = cx18_av_probe(cx);
 950         if (retval) {
 951                 CX18_ERR("Could not register A/V decoder subdevice\n");
 952                 goto free_map;
 953         }
 954
 955         /* Initialize GPIO Reset Controller to do chip resets during i2c init */
 956         if (cx->card->hw_all & CX18_HW_GPIO_RESET_CTRL) {
 957                 if (cx18_gpio_register(cx, CX18_HW_GPIO_RESET_CTRL) != 0)
 958                         CX18_WARN("Could not register GPIO reset controller"
 959                                   "subdevice; proceeding anyway.\n");
 960                 else
 961                         cx->hw_flags |= CX18_HW_GPIO_RESET_CTRL;
 962         }
 963
 964         /* active i2c  */
 965         CX18_DEBUG_INFO("activating i2c...\n");
 966         retval = init_cx18_i2c(cx);
 967         if (retval) {
 968                 CX18_ERR("Could not initialize i2c\n");
 969                 goto free_map;
 970         }
 971
 972         if (cx->card->hw_all & CX18_HW_TVEEPROM) {
 973                 /* Based on the model number the cardtype may be changed.
 974                    The PCI IDs are not always reliable. */
 975                 cx18_process_eeprom(cx);
 976         }
 977         if (cx->card->comment)
 978                 CX18_INFO("%s", cx->card->comment);
 979         if (cx->card->v4l2_capabilities == 0) {
 980                 retval = -ENODEV;
 981                 goto free_i2c;
 982         }
 983         cx18_init_memory(cx);
 984         cx18_init_scb(cx);
 985
 986         /* Register IRQ */
 987         retval = request_irq(cx->pci_dev->irq, cx18_irq_handler,
 988                              IRQF_SHARED | IRQF_DISABLED,
 989                              cx->v4l2_dev.name, (void *)cx);
 990         if (retval) {
 991                 CX18_ERR("Failed to register irq %d\n", retval);
 992                 goto free_i2c;
 993         }
 994
 995         if (cx->std == 0)
 996                 cx->std = V4L2_STD_NTSC_M;
 997
 998         if (cx->options.tuner == -1) {
 999                 for (i = 0; i < CX18_CARD_MAX_TUNERS; i++) {
1000                         if ((cx->std & cx->card->tuners[i].std) == 0)
1001                                 continue;
1002                         cx->options.tuner = cx->card->tuners[i].tuner;
1003                         break;
1004                 }
1005         }
1006         /* if no tuner was found, then pick the first tuner in the card list */
1007         if (cx->options.tuner == -1 && cx->card->tuners[0].std) {
1008                 cx->std = cx->card->tuners[0].std;
1009                 if (cx->std & V4L2_STD_PAL)
1010                         cx->std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
1011                 else if (cx->std & V4L2_STD_NTSC)
1012                         cx->std = V4L2_STD_NTSC_M;
1013                 else if (cx->std & V4L2_STD_SECAM)
1014                         cx->std = V4L2_STD_SECAM_L;
1015                 cx->options.tuner = cx->card->tuners[0].tuner;
1016         }
1017         if (cx->options.radio == -1)
1018                 cx->options.radio = (cx->card->radio_input.audio_type != 0);
1019
1020         /* The card is now fully identified, continue with card-specific
1021            initialization. */
1022         cx18_init_struct2(cx);
1023
1024         cx18_init_subdevs(cx);
1025
1026         if (cx->std & V4L2_STD_525_60)
1027                 cx->is_60hz = 1;
1028         else
1029                 cx->is_50hz = 1;
1030
1031         cx->params.video_gop_size = cx->is_60hz ? 15 : 12;
1032
1033         if (cx->options.radio > 0)
1034                 cx->v4l2_cap |= V4L2_CAP_RADIO;
1035
1036         if (cx->options.tuner > -1) {
1037                 struct tuner_setup setup;
1038
1039                 setup.addr = ADDR_UNSET;
1040                 setup.type = cx->options.tuner;
1041                 setup.mode_mask = T_ANALOG_TV;  /* matches TV tuners */
1042                 setup.tuner_callback = (setup.type == TUNER_XC2028) ?
1043                         cx18_reset_tuner_gpio : NULL;
1044                 cx18_call_all(cx, tuner, s_type_addr, &setup);
1045                 if (setup.type == TUNER_XC2028) {
1046                         static struct xc2028_ctrl ctrl = {
1047                                 .fname = XC2028_DEFAULT_FIRMWARE,
1048                                 .max_len = 64,
1049                         };
1050                         struct v4l2_priv_tun_config cfg = {
1051                                 .tuner = cx->options.tuner,
1052                                 .priv = &ctrl,
1053                         };
1054                         cx18_call_all(cx, tuner, s_config, &cfg);
1055                 }
1056         }
1057
1058         /* The tuner is fixed to the standard. The other inputs (e.g. S-Video)
1059            are not. */
1060         cx->tuner_std = cx->std;
1061
1062         retval = cx18_streams_setup(cx);
1063         if (retval) {
1064                 CX18_ERR("Error %d setting up streams\n", retval);
1065                 goto free_irq;
1066         }
1067         retval = cx18_streams_register(cx);
1068         if (retval) {
1069                 CX18_ERR("Error %d registering devices\n", retval);
1070                 goto free_streams;
1071         }
1072
1073         CX18_INFO("Initialized card: %s\n", cx->card_name);
1074
1075         /* Load cx18 submodules (cx18-alsa) */
1076         request_modules(cx);
1077
1078         return 0;
1079
1080 free_streams:
1081         cx18_streams_cleanup(cx, 1);
1082 free_irq:
1083         free_irq(cx->pci_dev->irq, (void *)cx);
1084 free_i2c:
1085         exit_cx18_i2c(cx);
1086 free_map:
1087         cx18_iounmap(cx);
1088 free_mem:
1089         release_mem_region(cx->base_addr, CX18_MEM_SIZE);
1090 free_workqueues:
1091         destroy_workqueue(cx->in_work_queue);
1092 err:
1093         if (retval == 0)
1094                 retval = -ENODEV;
1095         CX18_ERR("Error %d on initialization\n", retval);
1096
1097         v4l2_device_unregister(&cx->v4l2_dev);
1098         kfree(cx);
1099         return retval;
1100 }
1101
1102 int cx18_init_on_first_open(struct cx18 *cx)
1103 {
1104         int video_input;
1105         int fw_retry_count = 3;
1106         struct v4l2_frequency vf;
1107         struct cx18_open_id fh;
1108
1109         fh.cx = cx;
1110
1111         if (test_bit(CX18_F_I_FAILED, &cx->i_flags))
1112                 return -ENXIO;
1113
1114         if (test_and_set_bit(CX18_F_I_INITED, &cx->i_flags))
1115                 return 0;
1116
1117         while (--fw_retry_count > 0) {
1118                 /* load firmware */
1119                 if (cx18_firmware_init(cx) == 0)
1120                         break;
1121                 if (fw_retry_count > 1)
1122                         CX18_WARN("Retry loading firmware\n");
1123         }
1124
1125         if (fw_retry_count == 0) {
1126                 set_bit(CX18_F_I_FAILED, &cx->i_flags);
1127                 return -ENXIO;
1128         }
1129         set_bit(CX18_F_I_LOADED_FW, &cx->i_flags);
1130
1131         /*
1132          * Init the firmware twice to work around a silicon bug
1133          * with the digital TS.
1134          *
1135          * The second firmware load requires us to normalize the APU state,
1136          * or the audio for the first analog capture will be badly incorrect.
1137          *
1138          * I can't seem to call APU_RESETAI and have it succeed without the
1139          * APU capturing audio, so we start and stop it here to do the reset
1140          */
1141
1142         /* MPEG Encoding, 224 kbps, MPEG Layer II, 48 ksps */
1143         cx18_vapi(cx, CX18_APU_START, 2, CX18_APU_ENCODING_METHOD_MPEG|0xb9, 0);
1144         cx18_vapi(cx, CX18_APU_RESETAI, 0);
1145         cx18_vapi(cx, CX18_APU_STOP, 1, CX18_APU_ENCODING_METHOD_MPEG);
1146
1147         fw_retry_count = 3;
1148         while (--fw_retry_count > 0) {
1149                 /* load firmware */
1150                 if (cx18_firmware_init(cx) == 0)
1151                         break;
1152                 if (fw_retry_count > 1)
1153                         CX18_WARN("Retry loading firmware\n");
1154         }
1155
1156         if (fw_retry_count == 0) {
1157                 set_bit(CX18_F_I_FAILED, &cx->i_flags);
1158                 return -ENXIO;
1159         }
1160
1161         /*
1162          * The second firmware load requires us to normalize the APU state,
1163          * or the audio for the first analog capture will be badly incorrect.
1164          *
1165          * I can't seem to call APU_RESETAI and have it succeed without the
1166          * APU capturing audio, so we start and stop it here to do the reset
1167          */
1168
1169         /* MPEG Encoding, 224 kbps, MPEG Layer II, 48 ksps */
1170         cx18_vapi(cx, CX18_APU_START, 2, CX18_APU_ENCODING_METHOD_MPEG|0xb9, 0);
1171         cx18_vapi(cx, CX18_APU_RESETAI, 0);
1172         cx18_vapi(cx, CX18_APU_STOP, 1, CX18_APU_ENCODING_METHOD_MPEG);
1173
1174         /* Init the A/V decoder, if it hasn't been already */
1175         v4l2_subdev_call(cx->sd_av, core, load_fw);
1176
1177         vf.tuner = 0;
1178         vf.type = V4L2_TUNER_ANALOG_TV;
1179         vf.frequency = 6400; /* the tuner 'baseline' frequency */
1180
1181         /* Set initial frequency. For PAL/SECAM broadcasts no
1182            'default' channel exists AFAIK. */
1183         if (cx->std == V4L2_STD_NTSC_M_JP)
1184                 vf.frequency = 1460;    /* ch. 1 91250*16/1000 */
1185         else if (cx->std & V4L2_STD_NTSC_M)
1186                 vf.frequency = 1076;    /* ch. 4 67250*16/1000 */
1187
1188         video_input = cx->active_input;
1189         cx->active_input++;     /* Force update of input */
1190         cx18_s_input(NULL, &fh, video_input);
1191
1192         /* Let the VIDIOC_S_STD ioctl do all the work, keeps the code
1193            in one place. */
1194         cx->std++;              /* Force full standard initialization */
1195         cx18_s_std(NULL, &fh, &cx->tuner_std);
1196         cx18_s_frequency(NULL, &fh, &vf);
1197         return 0;
1198 }
1199
1200 static void cx18_cancel_in_work_orders(struct cx18 *cx)
1201 {
1202         int i;
1203         for (i = 0; i < CX18_MAX_IN_WORK_ORDERS; i++)
1204                 cancel_work_sync(&cx->in_work_order[i].work);
1205 }
1206
1207 static void cx18_cancel_out_work_orders(struct cx18 *cx)
1208 {
1209         int i;
1210         for (i = 0; i < CX18_MAX_STREAMS; i++)
1211                 if (&cx->streams[i].video_dev != NULL)
1212                         cancel_work_sync(&cx->streams[i].out_work_order);
1213 }
1214
1215 static void cx18_remove(struct pci_dev *pci_dev)
1216 {
1217         struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1218         struct cx18 *cx = to_cx18(v4l2_dev);
1219         int i;
1220
1221         CX18_DEBUG_INFO("Removing Card\n");
1222
1223         flush_request_modules(cx);
1224
1225         /* Stop all captures */
1226         CX18_DEBUG_INFO("Stopping all streams\n");
1227         if (atomic_read(&cx->tot_capturing) > 0)
1228                 cx18_stop_all_captures(cx);
1229
1230         /* Stop interrupts that cause incoming work to be queued */
1231         cx18_sw1_irq_disable(cx, IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU);
1232
1233         /* Incoming work can cause outgoing work, so clean up incoming first */
1234         cx18_cancel_in_work_orders(cx);
1235         cx18_cancel_out_work_orders(cx);
1236
1237         /* Stop ack interrupts that may have been needed for work to finish */
1238         cx18_sw2_irq_disable(cx, IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK);
1239
1240         cx18_halt_firmware(cx);
1241
1242         destroy_workqueue(cx->in_work_queue);
1243
1244         cx18_streams_cleanup(cx, 1);
1245
1246         exit_cx18_i2c(cx);
1247
1248         free_irq(cx->pci_dev->irq, (void *)cx);
1249
1250         cx18_iounmap(cx);
1251
1252         release_mem_region(cx->base_addr, CX18_MEM_SIZE);
1253
1254         pci_disable_device(cx->pci_dev);
1255
1256         if (cx->vbi.sliced_mpeg_data[0] != NULL)
1257                 for (i = 0; i < CX18_VBI_FRAMES; i++)
1258                         kfree(cx->vbi.sliced_mpeg_data[i]);
1259
1260         CX18_INFO("Removed %s\n", cx->card_name);
1261
1262         v4l2_device_unregister(v4l2_dev);
1263         kfree(cx);
1264 }
1265
1266
1267 /* define a pci_driver for card detection */
1268 static struct pci_driver cx18_pci_driver = {
1269       .name =     "cx18",
1270       .id_table = cx18_pci_tbl,
1271       .probe =    cx18_probe,
1272       .remove =   cx18_remove,
1273 };
1274
1275 static int __init module_start(void)
1276 {
1277         printk(KERN_INFO "cx18:  Start initialization, version %s\n",
1278                CX18_VERSION);
1279
1280         /* Validate parameters */
1281         if (cx18_first_minor < 0 || cx18_first_minor >= CX18_MAX_CARDS) {
1282                 printk(KERN_ERR "cx18:  Exiting, cx18_first_minor must be between 0 and %d\n",
1283                      CX18_MAX_CARDS - 1);
1284                 return -1;
1285         }
1286
1287         if (cx18_debug < 0 || cx18_debug > 511) {
1288                 cx18_debug = 0;
1289                 printk(KERN_INFO "cx18:   Debug value must be >= 0 and <= 511!\n");
1290         }
1291
1292         if (pci_register_driver(&cx18_pci_driver)) {
1293                 printk(KERN_ERR "cx18:   Error detecting PCI card\n");
1294                 return -ENODEV;
1295         }
1296         printk(KERN_INFO "cx18:  End initialization\n");
1297         return 0;
1298 }
1299
1300 static void __exit module_cleanup(void)
1301 {
1302         pci_unregister_driver(&cx18_pci_driver);
1303 }
1304
1305 module_init(module_start);
1306 module_exit(module_cleanup);