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@radix.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-streams.h"
  34 #include "cx18-av-core.h"
  35 #include "cx18-scb.h"
  36 #include "cx18-mailbox.h"
  37 #include "cx18-ioctl.h"
  38 #include "tuner-xc2028.h"
  39
  40 #include <media/tveeprom.h>
  41
  42
  43 /* var to keep track of the number of array elements in use */
  44 int cx18_cards_active;
  45
  46 /* If you have already X v4l cards, then set this to X. This way
  47    the device numbers stay matched. Example: you have a WinTV card
  48    without radio and a Compro H900 with. Normally this would give a
  49    video1 device together with a radio0 device for the Compro. By
  50    setting this to 1 you ensure that radio0 is now also radio1. */
  51 int cx18_first_minor;
  52
  53 /* Master variable for all cx18 info */
  54 struct cx18 *cx18_cards[CX18_MAX_CARDS];
  55
  56 /* Protects cx18_cards_active */
  57 DEFINE_SPINLOCK(cx18_cards_lock);
  58
  59 /* add your revision and whatnot here */
  60 static struct pci_device_id cx18_pci_tbl[] __devinitdata = {
  61         {PCI_VENDOR_ID_CX, PCI_DEVICE_ID_CX23418,
  62          PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
  63         {0,}
  64 };
  65
  66 MODULE_DEVICE_TABLE(pci, cx18_pci_tbl);
  67
  68 /* Parameter declarations */
  69 static int cardtype[CX18_MAX_CARDS];
  70 static int tuner[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
  71                                      -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 static int radio[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
  75                                      -1, -1, -1, -1, -1, -1, -1, -1,
  76                                      -1, -1, -1, -1, -1, -1, -1, -1,
  77                                      -1, -1, -1, -1, -1, -1, -1, -1 };
  78 static unsigned cardtype_c = 1;
  79 static unsigned tuner_c = 1;
  80 static unsigned radio_c = 1;
  81 static char pal[] = "--";
  82 static char secam[] = "--";
  83 static char ntsc[] = "-";
  84
  85 /* Buffers */
  86 static int enc_ts_buffers = CX18_DEFAULT_ENC_TS_BUFFERS;
  87 static int enc_mpg_buffers = CX18_DEFAULT_ENC_MPG_BUFFERS;
  88 static int enc_idx_buffers = CX18_DEFAULT_ENC_IDX_BUFFERS;
  89 static int enc_yuv_buffers = CX18_DEFAULT_ENC_YUV_BUFFERS;
  90 static int enc_vbi_buffers = CX18_DEFAULT_ENC_VBI_BUFFERS;
  91 static int enc_pcm_buffers = CX18_DEFAULT_ENC_PCM_BUFFERS;
  92
  93 static int enc_ts_bufsize = CX18_DEFAULT_ENC_TS_BUFSIZE;
  94 static int enc_mpg_bufsize = CX18_DEFAULT_ENC_MPG_BUFSIZE;
  95 static int enc_idx_bufsize = CX18_DEFAULT_ENC_IDX_BUFSIZE;
  96 static int enc_yuv_bufsize = CX18_DEFAULT_ENC_YUV_BUFSIZE;
  97 /* VBI bufsize based on standards supported by card tuner for now */
  98 static int enc_pcm_bufsize = CX18_DEFAULT_ENC_PCM_BUFSIZE;
  99
 100 static int enc_ts_bufs = -1;
 101 static int enc_mpg_bufs = -1;
 102 static int enc_idx_bufs = -1;
 103 static int enc_yuv_bufs = -1;
 104 static int enc_vbi_bufs = -1;
 105 static int enc_pcm_bufs = -1;
 106
 107
 108 static int cx18_pci_latency = 1;
 109
 110 static int mmio_ndelay;
 111 static int retry_mmio = 1;
 112
 113 int cx18_debug;
 114
 115 module_param_array(tuner, int, &tuner_c, 0644);
 116 module_param_array(radio, bool, &radio_c, 0644);
 117 module_param_array(cardtype, int, &cardtype_c, 0644);
 118 module_param_string(pal, pal, sizeof(pal), 0644);
 119 module_param_string(secam, secam, sizeof(secam), 0644);
 120 module_param_string(ntsc, ntsc, sizeof(ntsc), 0644);
 121 module_param_named(debug, cx18_debug, int, 0644);
 122 module_param(mmio_ndelay, int, 0644);
 123 module_param(retry_mmio, int, 0644);
 124 module_param(cx18_pci_latency, int, 0644);
 125 module_param(cx18_first_minor, int, 0644);
 126
 127 module_param(enc_ts_buffers, int, 0644);
 128 module_param(enc_mpg_buffers, int, 0644);
 129 module_param(enc_idx_buffers, int, 0644);
 130 module_param(enc_yuv_buffers, int, 0644);
 131 module_param(enc_vbi_buffers, int, 0644);
 132 module_param(enc_pcm_buffers, int, 0644);
 133
 134 module_param(enc_ts_bufsize, int, 0644);
 135 module_param(enc_mpg_bufsize, int, 0644);
 136 module_param(enc_idx_bufsize, int, 0644);
 137 module_param(enc_yuv_bufsize, int, 0644);
 138 /* VBI bufsize based on standards supported by card tuner for now */
 139 module_param(enc_pcm_bufsize, int, 0644);
 140
 141 module_param(enc_ts_bufs, int, 0644);
 142 module_param(enc_mpg_bufs, int, 0644);
 143 module_param(enc_idx_bufs, int, 0644);
 144 module_param(enc_yuv_bufs, int, 0644);
 145 module_param(enc_vbi_bufs, int, 0644);
 146 module_param(enc_pcm_bufs, int, 0644);
 147
 148 MODULE_PARM_DESC(tuner, "Tuner type selection,\n"
 149                         "\t\t\tsee tuner.h for values");
 150 MODULE_PARM_DESC(radio,
 151                  "Enable or disable the radio. Use only if autodetection\n"
 152                  "\t\t\tfails. 0 = disable, 1 = enable");
 153 MODULE_PARM_DESC(cardtype,
 154                  "Only use this option if your card is not detected properly.\n"
 155                  "\t\tSpecify card type:\n"
 156                  "\t\t\t 1 = Hauppauge HVR 1600 (ESMT memory)\n"
 157                  "\t\t\t 2 = Hauppauge HVR 1600 (Samsung memory)\n"
 158                  "\t\t\t 3 = Compro VideoMate H900\n"
 159                  "\t\t\t 4 = Yuan MPC718\n"
 160                  "\t\t\t 5 = Conexant Raptor PAL/SECAM\n"
 161                  "\t\t\t 6 = Toshiba Qosmio DVB-T/Analog\n"
 162                  "\t\t\t 7 = Leadtek WinFast PVR2100\n"
 163                  "\t\t\t 0 = Autodetect (default)\n"
 164                  "\t\t\t-1 = Ignore this card\n\t\t");
 165 MODULE_PARM_DESC(pal, "Set PAL standard: B, G, H, D, K, I, M, N, Nc, 60");
 166 MODULE_PARM_DESC(secam, "Set SECAM standard: B, G, H, D, K, L, LC");
 167 MODULE_PARM_DESC(ntsc, "Set NTSC standard: M, J, K");
 168 MODULE_PARM_DESC(debug,
 169                  "Debug level (bitmask). Default: 0\n"
 170                  "\t\t\t  1/0x0001: warning\n"
 171                  "\t\t\t  2/0x0002: info\n"
 172                  "\t\t\t  4/0x0004: mailbox\n"
 173                  "\t\t\t  8/0x0008: dma\n"
 174                  "\t\t\t 16/0x0010: ioctl\n"
 175                  "\t\t\t 32/0x0020: file\n"
 176                  "\t\t\t 64/0x0040: i2c\n"
 177                  "\t\t\t128/0x0080: irq\n"
 178                  "\t\t\t256/0x0100: high volume\n");
 179 MODULE_PARM_DESC(cx18_pci_latency,
 180                  "Change the PCI latency to 64 if lower: 0 = No, 1 = Yes,\n"
 181                  "\t\t\tDefault: Yes");
 182 MODULE_PARM_DESC(retry_mmio,
 183                  "(Deprecated) MMIO writes are now always checked and retried\n"
 184                  "\t\t\tEffectively: 1 [Yes]");
 185 MODULE_PARM_DESC(mmio_ndelay,
 186                  "(Deprecated) MMIO accesses are now never purposely delayed\n"
 187                  "\t\t\tEffectively: 0 ns");
 188 MODULE_PARM_DESC(enc_ts_buffers,
 189                  "Encoder TS buffer memory (MB). (enc_ts_bufs can override)\n"
 190                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_TS_BUFFERS));
 191 MODULE_PARM_DESC(enc_ts_bufsize,
 192                  "Size of an encoder TS buffer (kB)\n"
 193                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_TS_BUFSIZE));
 194 MODULE_PARM_DESC(enc_ts_bufs,
 195                  "Number of encoder TS buffers\n"
 196                  "\t\t\tDefault is computed from other enc_ts_* parameters");
 197 MODULE_PARM_DESC(enc_mpg_buffers,
 198                  "Encoder MPG buffer memory (MB). (enc_mpg_bufs can override)\n"
 199                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFFERS));
 200 MODULE_PARM_DESC(enc_mpg_bufsize,
 201                  "Size of an encoder MPG buffer (kB)\n"
 202                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFSIZE));
 203 MODULE_PARM_DESC(enc_mpg_bufs,
 204                  "Number of encoder MPG buffers\n"
 205                  "\t\t\tDefault is computed from other enc_mpg_* parameters");
 206 MODULE_PARM_DESC(enc_idx_buffers,
 207                  "Encoder IDX buffer memory (MB). (enc_idx_bufs can override)\n"
 208                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_IDX_BUFFERS));
 209 MODULE_PARM_DESC(enc_idx_bufsize,
 210                  "Size of an encoder IDX buffer (kB)\n"
 211                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_IDX_BUFSIZE));
 212 MODULE_PARM_DESC(enc_idx_bufs,
 213                  "Number of encoder IDX buffers\n"
 214                  "\t\t\tDefault is computed from other enc_idx_* parameters");
 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\tDefault: " __stringify(CX18_DEFAULT_ENC_YUV_BUFSIZE));
 221 MODULE_PARM_DESC(enc_yuv_bufs,
 222                  "Number of encoder YUV buffers\n"
 223                  "\t\t\tDefault is computed from other enc_yuv_* parameters");
 224 MODULE_PARM_DESC(enc_vbi_buffers,
 225                  "Encoder VBI buffer memory (MB). (enc_vbi_bufs can override)\n"
 226                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_VBI_BUFFERS));
 227 MODULE_PARM_DESC(enc_vbi_bufs,
 228                  "Number of encoder VBI buffers\n"
 229                  "\t\t\tDefault is computed from enc_vbi_buffers & tuner std");
 230 MODULE_PARM_DESC(enc_pcm_buffers,
 231                  "Encoder PCM buffer memory (MB). (enc_pcm_bufs can override)\n"
 232                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_PCM_BUFFERS));
 233 MODULE_PARM_DESC(enc_pcm_bufsize,
 234                  "Size of an encoder PCM buffer (kB)\n"
 235                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_PCM_BUFSIZE));
 236 MODULE_PARM_DESC(enc_pcm_bufs,
 237                  "Number of encoder PCM buffers\n"
 238                  "\t\t\tDefault is computed from other enc_pcm_* parameters");
 239
 240 MODULE_PARM_DESC(cx18_first_minor, "Set kernel 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 /* Generic utility functions */
 250 int cx18_msleep_timeout(unsigned int msecs, int intr)
 251 {
 252         long int timeout = msecs_to_jiffies(msecs);
 253         int sig;
 254
 255         do {
 256                 set_current_state(intr ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);
 257                 timeout = schedule_timeout(timeout);
 258                 sig = intr ? signal_pending(current) : 0;
 259         } while (!sig && timeout);
 260         return sig;
 261 }
 262
 263 /* Release ioremapped memory */
 264 static void cx18_iounmap(struct cx18 *cx)
 265 {
 266         if (cx == NULL)
 267                 return;
 268
 269         /* Release io memory */
 270         if (cx->enc_mem != NULL) {
 271                 CX18_DEBUG_INFO("releasing enc_mem\n");
 272                 iounmap(cx->enc_mem);
 273                 cx->enc_mem = NULL;
 274         }
 275 }
 276
 277 /* Hauppauge card? get values from tveeprom */
 278 void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv)
 279 {
 280         u8 eedata[256];
 281
 282         cx->i2c_client[0].addr = 0xA0 >> 1;
 283         tveeprom_read(&cx->i2c_client[0], eedata, sizeof(eedata));
 284         tveeprom_hauppauge_analog(&cx->i2c_client[0], tv, eedata);
 285 }
 286
 287 static void cx18_process_eeprom(struct cx18 *cx)
 288 {
 289         struct tveeprom tv;
 290
 291         cx18_read_eeprom(cx, &tv);
 292
 293         /* Many thanks to Steven Toth from Hauppauge for providing the
 294            model numbers */
 295         /* Note: the Samsung memory models cannot be reliably determined
 296            from the model number. Use the cardtype module option if you
 297            have one of these preproduction models. */
 298         switch (tv.model) {
 299         case 74000 ... 74999:
 300                 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
 301                 break;
 302         case 0:
 303                 CX18_ERR("Invalid EEPROM\n");
 304                 return;
 305         default:
 306                 CX18_ERR("Unknown model %d, defaulting to HVR-1600\n", tv.model);
 307                 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
 308                 break;
 309         }
 310
 311         cx->v4l2_cap = cx->card->v4l2_capabilities;
 312         cx->card_name = cx->card->name;
 313         cx->card_i2c = cx->card->i2c;
 314
 315         CX18_INFO("Autodetected %s\n", cx->card_name);
 316
 317         if (tv.tuner_type == TUNER_ABSENT)
 318                 CX18_ERR("tveeprom cannot autodetect tuner!");
 319
 320         if (cx->options.tuner == -1)
 321                 cx->options.tuner = tv.tuner_type;
 322         if (cx->options.radio == -1)
 323                 cx->options.radio = (tv.has_radio != 0);
 324
 325         if (cx->std != 0)
 326                 /* user specified tuner standard */
 327                 return;
 328
 329         /* autodetect tuner standard */
 330         if (tv.tuner_formats & V4L2_STD_PAL) {
 331                 CX18_DEBUG_INFO("PAL tuner detected\n");
 332                 cx->std |= V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
 333         } else if (tv.tuner_formats & V4L2_STD_NTSC) {
 334                 CX18_DEBUG_INFO("NTSC tuner detected\n");
 335                 cx->std |= V4L2_STD_NTSC_M;
 336         } else if (tv.tuner_formats & V4L2_STD_SECAM) {
 337                 CX18_DEBUG_INFO("SECAM tuner detected\n");
 338                 cx->std |= V4L2_STD_SECAM_L;
 339         } else {
 340                 CX18_INFO("No tuner detected, default to NTSC-M\n");
 341                 cx->std |= V4L2_STD_NTSC_M;
 342         }
 343 }
 344
 345 static v4l2_std_id cx18_parse_std(struct cx18 *cx)
 346 {
 347         switch (pal[0]) {
 348         case '6':
 349                 return V4L2_STD_PAL_60;
 350         case 'b':
 351         case 'B':
 352         case 'g':
 353         case 'G':
 354                 return V4L2_STD_PAL_BG;
 355         case 'h':
 356         case 'H':
 357                 return V4L2_STD_PAL_H;
 358         case 'n':
 359         case 'N':
 360                 if (pal[1] == 'c' || pal[1] == 'C')
 361                         return V4L2_STD_PAL_Nc;
 362                 return V4L2_STD_PAL_N;
 363         case 'i':
 364         case 'I':
 365                 return V4L2_STD_PAL_I;
 366         case 'd':
 367         case 'D':
 368         case 'k':
 369         case 'K':
 370                 return V4L2_STD_PAL_DK;
 371         case 'M':
 372         case 'm':
 373                 return V4L2_STD_PAL_M;
 374         case '-':
 375                 break;
 376         default:
 377                 CX18_WARN("pal= argument not recognised\n");
 378                 return 0;
 379         }
 380
 381         switch (secam[0]) {
 382         case 'b':
 383         case 'B':
 384         case 'g':
 385         case 'G':
 386         case 'h':
 387         case 'H':
 388                 return V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H;
 389         case 'd':
 390         case 'D':
 391         case 'k':
 392         case 'K':
 393                 return V4L2_STD_SECAM_DK;
 394         case 'l':
 395         case 'L':
 396                 if (secam[1] == 'C' || secam[1] == 'c')
 397                         return V4L2_STD_SECAM_LC;
 398                 return V4L2_STD_SECAM_L;
 399         case '-':
 400                 break;
 401         default:
 402                 CX18_WARN("secam= argument not recognised\n");
 403                 return 0;
 404         }
 405
 406         switch (ntsc[0]) {
 407         case 'm':
 408         case 'M':
 409                 return V4L2_STD_NTSC_M;
 410         case 'j':
 411         case 'J':
 412                 return V4L2_STD_NTSC_M_JP;
 413         case 'k':
 414         case 'K':
 415                 return V4L2_STD_NTSC_M_KR;
 416         case '-':
 417                 break;
 418         default:
 419                 CX18_WARN("ntsc= argument not recognised\n");
 420                 return 0;
 421         }
 422
 423         /* no match found */
 424         return 0;
 425 }
 426
 427 static void cx18_process_options(struct cx18 *cx)
 428 {
 429         int i, j;
 430
 431         cx->options.megabytes[CX18_ENC_STREAM_TYPE_TS] = enc_ts_buffers;
 432         cx->options.megabytes[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_buffers;
 433         cx->options.megabytes[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_buffers;
 434         cx->options.megabytes[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_buffers;
 435         cx->options.megabytes[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_buffers;
 436         cx->options.megabytes[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_buffers;
 437         cx->options.megabytes[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control only */
 438
 439         cx->stream_buffers[CX18_ENC_STREAM_TYPE_TS] = enc_ts_bufs;
 440         cx->stream_buffers[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_bufs;
 441         cx->stream_buffers[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_bufs;
 442         cx->stream_buffers[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_bufs;
 443         cx->stream_buffers[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_bufs;
 444         cx->stream_buffers[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_bufs;
 445         cx->stream_buffers[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control, no data */
 446
 447         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_TS] = enc_ts_bufsize;
 448         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_bufsize;
 449         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_bufsize;
 450         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_bufsize;
 451         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_VBI] = 0; /* computed later */
 452         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_bufsize;
 453         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control no data */
 454
 455         /* Except for VBI ensure stream_buffers & stream_buf_size are valid */
 456         for (i = 0; i < CX18_MAX_STREAMS; i++) {
 457                 /* User said to use 0 buffers */
 458                 if (cx->stream_buffers[i] == 0) {
 459                         cx->options.megabytes[i] = 0;
 460                         cx->stream_buf_size[i] = 0;
 461                         continue;
 462                 }
 463                 /* User said to use 0 MB total */
 464                 if (cx->options.megabytes[i] <= 0) {
 465                         cx->options.megabytes[i] = 0;
 466                         cx->stream_buffers[i] = 0;
 467                         cx->stream_buf_size[i] = 0;
 468                         continue;
 469                 }
 470                 /* VBI is computed later or user said buffer has size 0 */
 471                 if (cx->stream_buf_size[i] <= 0) {
 472                         if (i != CX18_ENC_STREAM_TYPE_VBI) {
 473                                 cx->options.megabytes[i] = 0;
 474                                 cx->stream_buffers[i] = 0;
 475                                 cx->stream_buf_size[i] = 0;
 476                         }
 477                         continue;
 478                 }
 479                 if (cx->stream_buffers[i] < 0) {
 480                         cx->stream_buffers[i] = cx->options.megabytes[i] * 1024
 481                                                 / cx->stream_buf_size[i];
 482                 } else {
 483                         /* N.B. This might round down to 0 */
 484                         cx->options.megabytes[i] =
 485                           cx->stream_buffers[i] * cx->stream_buf_size[i] / 1024;
 486                 }
 487                 cx->stream_buf_size[i] *= 1024; /* convert from kB to bytes */
 488         }
 489
 490         cx->options.cardtype = cardtype[cx->num];
 491         cx->options.tuner = tuner[cx->num];
 492         cx->options.radio = radio[cx->num];
 493
 494         cx->std = cx18_parse_std(cx);
 495         if (cx->options.cardtype == -1) {
 496                 CX18_INFO("Ignore card\n");
 497                 return;
 498         }
 499         cx->card = cx18_get_card(cx->options.cardtype - 1);
 500         if (cx->card)
 501                 CX18_INFO("User specified %s card\n", cx->card->name);
 502         else if (cx->options.cardtype != 0)
 503                 CX18_ERR("Unknown user specified type, trying to autodetect card\n");
 504         if (cx->card == NULL) {
 505                 if (cx->dev->subsystem_vendor == CX18_PCI_ID_HAUPPAUGE) {
 506                         cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
 507                         CX18_INFO("Autodetected Hauppauge card\n");
 508                 }
 509         }
 510         if (cx->card == NULL) {
 511                 for (i = 0; (cx->card = cx18_get_card(i)); i++) {
 512                         if (cx->card->pci_list == NULL)
 513                                 continue;
 514                         for (j = 0; cx->card->pci_list[j].device; j++) {
 515                                 if (cx->dev->device !=
 516                                     cx->card->pci_list[j].device)
 517                                         continue;
 518                                 if (cx->dev->subsystem_vendor !=
 519                                     cx->card->pci_list[j].subsystem_vendor)
 520                                         continue;
 521                                 if (cx->dev->subsystem_device !=
 522                                     cx->card->pci_list[j].subsystem_device)
 523                                         continue;
 524                                 CX18_INFO("Autodetected %s card\n", cx->card->name);
 525                                 goto done;
 526                         }
 527                 }
 528         }
 529 done:
 530
 531         if (cx->card == NULL) {
 532                 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
 533                 CX18_ERR("Unknown card: vendor/device: [%04x:%04x]\n",
 534                      cx->dev->vendor, cx->dev->device);
 535                 CX18_ERR("              subsystem vendor/device: [%04x:%04x]\n",
 536                      cx->dev->subsystem_vendor, cx->dev->subsystem_device);
 537                 CX18_ERR("Defaulting to %s card\n", cx->card->name);
 538                 CX18_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n");
 539                 CX18_ERR("card you have to the ivtv-devel mailinglist (www.ivtvdriver.org)\n");
 540                 CX18_ERR("Prefix your subject line with [UNKNOWN CX18 CARD].\n");
 541         }
 542         cx->v4l2_cap = cx->card->v4l2_capabilities;
 543         cx->card_name = cx->card->name;
 544         cx->card_i2c = cx->card->i2c;
 545 }
 546
 547 /* Precondition: the cx18 structure has been memset to 0. Only
 548    the dev and num fields have been filled in.
 549    No assumptions on the card type may be made here (see cx18_init_struct2
 550    for that).
 551  */
 552 static int __devinit cx18_init_struct1(struct cx18 *cx)
 553 {
 554         int i;
 555
 556         cx->base_addr = pci_resource_start(cx->dev, 0);
 557
 558         mutex_init(&cx->serialize_lock);
 559         mutex_init(&cx->i2c_bus_lock[0]);
 560         mutex_init(&cx->i2c_bus_lock[1]);
 561         mutex_init(&cx->gpio_lock);
 562         mutex_init(&cx->epu2apu_mb_lock);
 563         mutex_init(&cx->epu2cpu_mb_lock);
 564
 565         spin_lock_init(&cx->lock);
 566
 567         cx->work_queue = create_singlethread_workqueue(cx->name);
 568         if (cx->work_queue == NULL) {
 569                 CX18_ERR("Unable to create work hander thread\n");
 570                 return -ENOMEM;
 571         }
 572
 573         for (i = 0; i < CX18_MAX_EPU_WORK_ORDERS; i++) {
 574                 cx->epu_work_order[i].cx = cx;
 575                 cx->epu_work_order[i].str = cx->epu_debug_str;
 576                 INIT_WORK(&cx->epu_work_order[i].work, cx18_epu_work_handler);
 577         }
 578
 579         /* start counting open_id at 1 */
 580         cx->open_id = 1;
 581
 582         /* Initial settings */
 583         cx2341x_fill_defaults(&cx->params);
 584         cx->temporal_strength = cx->params.video_temporal_filter;
 585         cx->spatial_strength = cx->params.video_spatial_filter;
 586         cx->filter_mode = cx->params.video_spatial_filter_mode |
 587                 (cx->params.video_temporal_filter_mode << 1) |
 588                 (cx->params.video_median_filter_type << 2);
 589         cx->params.port = CX2341X_PORT_MEMORY;
 590         cx->params.capabilities = CX2341X_CAP_HAS_TS;
 591         init_waitqueue_head(&cx->cap_w);
 592         init_waitqueue_head(&cx->mb_apu_waitq);
 593         init_waitqueue_head(&cx->mb_cpu_waitq);
 594         init_waitqueue_head(&cx->dma_waitq);
 595
 596         /* VBI */
 597         cx->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
 598         cx->vbi.sliced_in = &cx->vbi.in.fmt.sliced;
 599
 600         /*
 601          * The VBI line sizes depend on the pixel clock and the horiz rate
 602          *
 603          * (1/Fh)*(2*Fp) = Samples/line
 604          *     = 4 bytes EAV + Anc data in hblank + 4 bytes SAV + active samples
 605          *
 606          *  Sliced VBI is sent as ancillary data during horizontal blanking
 607          *  Raw VBI is sent as active video samples during vertcal blanking
 608          *
 609          *  We use a  BT.656 pxiel clock of 13.5 MHz and a BT.656 active line
 610          *  length of 720 pixels @ 4:2:2 sampling.  Thus...
 611          *
 612          *  For NTSC:
 613          *
 614          *  (1/15,734 kHz) * 2 * 13.5 MHz = 1716 samples/line =
 615          *  4 bytes SAV + 268 bytes anc data + 4 bytes SAV + 1440 active samples
 616          *
 617          *  For PAL:
 618          *
 619          *  (1/15,625 kHz) * 2 * 13.5 MHz = 1728 samples/line =
 620          *  4 bytes SAV + 280 bytes anc data + 4 bytes SAV + 1440 active samples
 621          *
 622          */
 623
 624         /* CX18-AV-Core number of VBI samples output per horizontal line */
 625         cx->vbi.raw_decoder_line_size = 1444;   /* 4 byte SAV + 2 * 720 */
 626         cx->vbi.sliced_decoder_line_size = 272; /* 60 Hz: 268+4, 50 Hz: 280+4 */
 627
 628         /* CX18-AV-Core VBI samples/line possibly rounded up */
 629         cx->vbi.raw_size = 1444;   /* Real max size is 1444 */
 630         cx->vbi.sliced_size = 284; /* Real max size is  284 */
 631
 632         /*
 633          * CX18-AV-Core SAV/EAV RP codes in VIP 1.x mode
 634          * Task Field VerticalBlank HorizontalBlank 0 0 0 0
 635          */
 636         cx->vbi.raw_decoder_sav_odd_field = 0x20;     /*   V  */
 637         cx->vbi.raw_decoder_sav_even_field = 0x60;    /*  FV  */
 638         cx->vbi.sliced_decoder_sav_odd_field = 0xB0;  /* T VH - actually EAV */
 639         cx->vbi.sliced_decoder_sav_even_field = 0xF0; /* TFVH - actually EAV */
 640         return 0;
 641 }
 642
 643 /* Second initialization part. Here the card type has been
 644    autodetected. */
 645 static void __devinit cx18_init_struct2(struct cx18 *cx)
 646 {
 647         int i;
 648
 649         for (i = 0; i < CX18_CARD_MAX_VIDEO_INPUTS; i++)
 650                 if (cx->card->video_inputs[i].video_type == 0)
 651                         break;
 652         cx->nof_inputs = i;
 653         for (i = 0; i < CX18_CARD_MAX_AUDIO_INPUTS; i++)
 654                 if (cx->card->audio_inputs[i].audio_type == 0)
 655                         break;
 656         cx->nof_audio_inputs = i;
 657
 658         /* Find tuner input */
 659         for (i = 0; i < cx->nof_inputs; i++) {
 660                 if (cx->card->video_inputs[i].video_type ==
 661                                 CX18_CARD_INPUT_VID_TUNER)
 662                         break;
 663         }
 664         if (i == cx->nof_inputs)
 665                 i = 0;
 666         cx->active_input = i;
 667         cx->audio_input = cx->card->video_inputs[i].audio_index;
 668         cx->av_state.vid_input = CX18_AV_COMPOSITE7;
 669         cx->av_state.aud_input = CX18_AV_AUDIO8;
 670         cx->av_state.audclk_freq = 48000;
 671         cx->av_state.audmode = V4L2_TUNER_MODE_LANG1;
 672         /* FIXME - 8 is NTSC value, investigate */
 673         cx->av_state.vbi_line_offset = 8;
 674 }
 675
 676 static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *dev,
 677                           const struct pci_device_id *pci_id)
 678 {
 679         u16 cmd;
 680         unsigned char pci_latency;
 681
 682         CX18_DEBUG_INFO("Enabling pci device\n");
 683
 684         if (pci_enable_device(dev)) {
 685                 CX18_ERR("Can't enable device %d!\n", cx->num);
 686                 return -EIO;
 687         }
 688         if (pci_set_dma_mask(dev, 0xffffffff)) {
 689                 CX18_ERR("No suitable DMA available on card %d.\n", cx->num);
 690                 return -EIO;
 691         }
 692         if (!request_mem_region(cx->base_addr, CX18_MEM_SIZE, "cx18 encoder")) {
 693                 CX18_ERR("Cannot request encoder memory region on card %d.\n", cx->num);
 694                 return -EIO;
 695         }
 696
 697         /* Enable bus mastering and memory mapped IO for the CX23418 */
 698         pci_read_config_word(dev, PCI_COMMAND, &cmd);
 699         cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
 700         pci_write_config_word(dev, PCI_COMMAND, cmd);
 701
 702         pci_read_config_byte(dev, PCI_CLASS_REVISION, &cx->card_rev);
 703         pci_read_config_byte(dev, PCI_LATENCY_TIMER, &pci_latency);
 704
 705         if (pci_latency < 64 && cx18_pci_latency) {
 706                 CX18_INFO("Unreasonably low latency timer, "
 707                                "setting to 64 (was %d)\n", pci_latency);
 708                 pci_write_config_byte(dev, PCI_LATENCY_TIMER, 64);
 709                 pci_read_config_byte(dev, PCI_LATENCY_TIMER, &pci_latency);
 710         }
 711
 712         CX18_DEBUG_INFO("cx%d (rev %d) at %02x:%02x.%x, "
 713                    "irq: %d, latency: %d, memory: 0x%lx\n",
 714                    cx->dev->device, cx->card_rev, dev->bus->number,
 715                    PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn),
 716                    cx->dev->irq, pci_latency, (unsigned long)cx->base_addr);
 717
 718         return 0;
 719 }
 720
 721 #ifdef MODULE
 722 static u32 cx18_request_module(struct cx18 *cx, u32 hw,
 723                 const char *name, u32 id)
 724 {
 725         if ((hw & id) == 0)
 726                 return hw;
 727         if (request_module(name) != 0) {
 728                 CX18_ERR("Failed to load module %s\n", name);
 729                 return hw & ~id;
 730         }
 731         CX18_DEBUG_INFO("Loaded module %s\n", name);
 732         return hw;
 733 }
 734 #endif
 735
 736 static void cx18_load_and_init_modules(struct cx18 *cx)
 737 {
 738         u32 hw = cx->card->hw_all;
 739         int i;
 740
 741 #ifdef MODULE
 742         /* load modules */
 743 #ifdef CONFIG_MEDIA_TUNER_MODULE
 744         hw = cx18_request_module(cx, hw, "tuner", CX18_HW_TUNER);
 745 #endif
 746 #ifdef CONFIG_VIDEO_CS5345_MODULE
 747         hw = cx18_request_module(cx, hw, "cs5345", CX18_HW_CS5345);
 748 #endif
 749 #endif
 750
 751         /* check which i2c devices are actually found */
 752         for (i = 0; i < 32; i++) {
 753                 u32 device = 1 << i;
 754
 755                 if (!(device & hw))
 756                         continue;
 757                 if (device == CX18_HW_GPIO || device == CX18_HW_TVEEPROM ||
 758                     device == CX18_HW_CX23418 || device == CX18_HW_DVB) {
 759                         /* These 'devices' do not use i2c probing */
 760                         cx->hw_flags |= device;
 761                         continue;
 762                 }
 763                 cx18_i2c_register(cx, i);
 764                 if (cx18_i2c_hw_addr(cx, device) > 0)
 765                         cx->hw_flags |= device;
 766         }
 767
 768         hw = cx->hw_flags;
 769 }
 770
 771 static int __devinit cx18_probe(struct pci_dev *dev,
 772                                 const struct pci_device_id *pci_id)
 773 {
 774         int retval = 0;
 775         int i;
 776         int vbi_buf_size;
 777         u32 devtype;
 778         struct cx18 *cx;
 779
 780         spin_lock(&cx18_cards_lock);
 781
 782         /* Make sure we've got a place for this card */
 783         if (cx18_cards_active == CX18_MAX_CARDS) {
 784                 printk(KERN_ERR "cx18:  Maximum number of cards detected (%d).\n",
 785                               cx18_cards_active);
 786                 spin_unlock(&cx18_cards_lock);
 787                 return -ENOMEM;
 788         }
 789
 790         cx = kzalloc(sizeof(struct cx18), GFP_ATOMIC);
 791         if (!cx) {
 792                 spin_unlock(&cx18_cards_lock);
 793                 return -ENOMEM;
 794         }
 795         cx18_cards[cx18_cards_active] = cx;
 796         cx->dev = dev;
 797         cx->num = cx18_cards_active++;
 798         snprintf(cx->name, sizeof(cx->name), "cx18-%d", cx->num);
 799         CX18_INFO("Initializing card #%d\n", cx->num);
 800
 801         spin_unlock(&cx18_cards_lock);
 802
 803         cx18_process_options(cx);
 804         if (cx->options.cardtype == -1) {
 805                 retval = -ENODEV;
 806                 goto err;
 807         }
 808         if (cx18_init_struct1(cx)) {
 809                 retval = -ENOMEM;
 810                 goto err;
 811         }
 812
 813         CX18_DEBUG_INFO("base addr: 0x%08x\n", cx->base_addr);
 814
 815         /* PCI Device Setup */
 816         retval = cx18_setup_pci(cx, dev, pci_id);
 817         if (retval != 0)
 818                 goto free_workqueue;
 819
 820         /* save cx in the pci struct for later use */
 821         pci_set_drvdata(dev, cx);
 822
 823         /* map io memory */
 824         CX18_DEBUG_INFO("attempting ioremap at 0x%08x len 0x%08x\n",
 825                    cx->base_addr + CX18_MEM_OFFSET, CX18_MEM_SIZE);
 826         cx->enc_mem = ioremap_nocache(cx->base_addr + CX18_MEM_OFFSET,
 827                                        CX18_MEM_SIZE);
 828         if (!cx->enc_mem) {
 829                 CX18_ERR("ioremap failed, perhaps increasing __VMALLOC_RESERVE in page.h\n");
 830                 CX18_ERR("or disabling CONFIG_HIGHMEM4G into the kernel would help\n");
 831                 retval = -ENOMEM;
 832                 goto free_mem;
 833         }
 834         cx->reg_mem = cx->enc_mem + CX18_REG_OFFSET;
 835         devtype = cx18_read_reg(cx, 0xC72028);
 836         switch (devtype & 0xff000000) {
 837         case 0xff000000:
 838                 CX18_INFO("cx23418 revision %08x (A)\n", devtype);
 839                 break;
 840         case 0x01000000:
 841                 CX18_INFO("cx23418 revision %08x (B)\n", devtype);
 842                 break;
 843         default:
 844                 CX18_INFO("cx23418 revision %08x (Unknown)\n", devtype);
 845                 break;
 846         }
 847
 848         cx18_init_power(cx, 1);
 849         cx18_init_memory(cx);
 850
 851         cx->scb = (struct cx18_scb __iomem *)(cx->enc_mem + SCB_OFFSET);
 852         cx18_init_scb(cx);
 853
 854         cx18_gpio_init(cx);
 855
 856         /* active i2c  */
 857         CX18_DEBUG_INFO("activating i2c...\n");
 858         retval = init_cx18_i2c(cx);
 859         if (retval) {
 860                 CX18_ERR("Could not initialize i2c\n");
 861                 goto free_map;
 862         }
 863
 864         CX18_DEBUG_INFO("Active card count: %d.\n", cx18_cards_active);
 865
 866         if (cx->card->hw_all & CX18_HW_TVEEPROM) {
 867                 /* Based on the model number the cardtype may be changed.
 868                    The PCI IDs are not always reliable. */
 869                 cx18_process_eeprom(cx);
 870         }
 871         if (cx->card->comment)
 872                 CX18_INFO("%s", cx->card->comment);
 873         if (cx->card->v4l2_capabilities == 0) {
 874                 retval = -ENODEV;
 875                 goto free_i2c;
 876         }
 877         cx18_init_memory(cx);
 878
 879         /* Register IRQ */
 880         retval = request_irq(cx->dev->irq, cx18_irq_handler,
 881                              IRQF_SHARED | IRQF_DISABLED, cx->name, (void *)cx);
 882         if (retval) {
 883                 CX18_ERR("Failed to register irq %d\n", retval);
 884                 goto free_i2c;
 885         }
 886
 887         if (cx->std == 0)
 888                 cx->std = V4L2_STD_NTSC_M;
 889
 890         if (cx->options.tuner == -1) {
 891                 for (i = 0; i < CX18_CARD_MAX_TUNERS; i++) {
 892                         if ((cx->std & cx->card->tuners[i].std) == 0)
 893                                 continue;
 894                         cx->options.tuner = cx->card->tuners[i].tuner;
 895                         break;
 896                 }
 897         }
 898         /* if no tuner was found, then pick the first tuner in the card list */
 899         if (cx->options.tuner == -1 && cx->card->tuners[0].std) {
 900                 cx->std = cx->card->tuners[0].std;
 901                 if (cx->std & V4L2_STD_PAL)
 902                         cx->std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
 903                 else if (cx->std & V4L2_STD_NTSC)
 904                         cx->std = V4L2_STD_NTSC_M;
 905                 else if (cx->std & V4L2_STD_SECAM)
 906                         cx->std = V4L2_STD_SECAM_L;
 907                 cx->options.tuner = cx->card->tuners[0].tuner;
 908         }
 909         if (cx->options.radio == -1)
 910                 cx->options.radio = (cx->card->radio_input.audio_type != 0);
 911
 912         /* The card is now fully identified, continue with card-specific
 913            initialization. */
 914         cx18_init_struct2(cx);
 915
 916         cx18_load_and_init_modules(cx);
 917
 918         if (cx->std & V4L2_STD_525_60) {
 919                 cx->is_60hz = 1;
 920                 cx->is_out_60hz = 1;
 921         } else {
 922                 cx->is_50hz = 1;
 923                 cx->is_out_50hz = 1;
 924         }
 925         cx->params.video_gop_size = cx->is_60hz ? 15 : 12;
 926
 927         vbi_buf_size = cx->vbi.raw_size * (cx->is_60hz ? 24 : 36) / 2;
 928         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_VBI] = vbi_buf_size;
 929
 930         if (cx->stream_buffers[CX18_ENC_STREAM_TYPE_VBI] < 0)
 931                 cx->stream_buffers[CX18_ENC_STREAM_TYPE_VBI] =
 932                    cx->options.megabytes[CX18_ENC_STREAM_TYPE_VBI] * 1024 * 1024
 933                    / vbi_buf_size;
 934         else
 935                 cx->options.megabytes[CX18_ENC_STREAM_TYPE_VBI] =
 936                      cx->stream_buffers[CX18_ENC_STREAM_TYPE_VBI] * vbi_buf_size
 937                      / (1024 * 1024);
 938
 939         if (cx->options.radio > 0)
 940                 cx->v4l2_cap |= V4L2_CAP_RADIO;
 941
 942         if (cx->options.tuner > -1) {
 943                 struct tuner_setup setup;
 944
 945                 setup.addr = ADDR_UNSET;
 946                 setup.type = cx->options.tuner;
 947                 setup.mode_mask = T_ANALOG_TV;  /* matches TV tuners */
 948                 setup.tuner_callback = (setup.type == TUNER_XC2028) ?
 949                         cx18_reset_tuner_gpio : NULL;
 950                 cx18_call_i2c_clients(cx, TUNER_SET_TYPE_ADDR, &setup);
 951                 if (setup.type == TUNER_XC2028) {
 952                         static struct xc2028_ctrl ctrl = {
 953                                 .fname = XC2028_DEFAULT_FIRMWARE,
 954                                 .max_len = 64,
 955                         };
 956                         struct v4l2_priv_tun_config cfg = {
 957                                 .tuner = cx->options.tuner,
 958                                 .priv = &ctrl,
 959                         };
 960                         cx18_call_i2c_clients(cx, TUNER_SET_CONFIG, &cfg);
 961                 }
 962         }
 963
 964         /* The tuner is fixed to the standard. The other inputs (e.g. S-Video)
 965            are not. */
 966         cx->tuner_std = cx->std;
 967
 968         retval = cx18_streams_setup(cx);
 969         if (retval) {
 970                 CX18_ERR("Error %d setting up streams\n", retval);
 971                 goto free_irq;
 972         }
 973         retval = cx18_streams_register(cx);
 974         if (retval) {
 975                 CX18_ERR("Error %d registering devices\n", retval);
 976                 goto free_streams;
 977         }
 978
 979         CX18_INFO("Initialized card #%d: %s\n", cx->num, cx->card_name);
 980
 981         return 0;
 982
 983 free_streams:
 984         cx18_streams_cleanup(cx, 1);
 985 free_irq:
 986         free_irq(cx->dev->irq, (void *)cx);
 987 free_i2c:
 988         exit_cx18_i2c(cx);
 989 free_map:
 990         cx18_iounmap(cx);
 991 free_mem:
 992         release_mem_region(cx->base_addr, CX18_MEM_SIZE);
 993 free_workqueue:
 994         destroy_workqueue(cx->work_queue);
 995 err:
 996         if (retval == 0)
 997                 retval = -ENODEV;
 998         CX18_ERR("Error %d on initialization\n", retval);
 999
1000         i = cx->num;
1001         spin_lock(&cx18_cards_lock);
1002         kfree(cx18_cards[i]);
1003         cx18_cards[i] = NULL;
1004         spin_unlock(&cx18_cards_lock);
1005         return retval;
1006 }
1007
1008 int cx18_init_on_first_open(struct cx18 *cx)
1009 {
1010         int video_input;
1011         int fw_retry_count = 3;
1012         struct v4l2_frequency vf;
1013         struct cx18_open_id fh;
1014
1015         fh.cx = cx;
1016
1017         if (test_bit(CX18_F_I_FAILED, &cx->i_flags))
1018                 return -ENXIO;
1019
1020         if (test_and_set_bit(CX18_F_I_INITED, &cx->i_flags))
1021                 return 0;
1022
1023         while (--fw_retry_count > 0) {
1024                 /* load firmware */
1025                 if (cx18_firmware_init(cx) == 0)
1026                         break;
1027                 if (fw_retry_count > 1)
1028                         CX18_WARN("Retry loading firmware\n");
1029         }
1030
1031         if (fw_retry_count == 0) {
1032                 set_bit(CX18_F_I_FAILED, &cx->i_flags);
1033                 return -ENXIO;
1034         }
1035         set_bit(CX18_F_I_LOADED_FW, &cx->i_flags);
1036
1037         /* Init the firmware twice to work around a silicon bug
1038          * transport related. */
1039
1040         fw_retry_count = 3;
1041         while (--fw_retry_count > 0) {
1042                 /* load firmware */
1043                 if (cx18_firmware_init(cx) == 0)
1044                         break;
1045                 if (fw_retry_count > 1)
1046                         CX18_WARN("Retry loading firmware\n");
1047         }
1048
1049         if (fw_retry_count == 0) {
1050                 set_bit(CX18_F_I_FAILED, &cx->i_flags);
1051                 return -ENXIO;
1052         }
1053
1054         vf.tuner = 0;
1055         vf.type = V4L2_TUNER_ANALOG_TV;
1056         vf.frequency = 6400; /* the tuner 'baseline' frequency */
1057
1058         /* Set initial frequency. For PAL/SECAM broadcasts no
1059            'default' channel exists AFAIK. */
1060         if (cx->std == V4L2_STD_NTSC_M_JP)
1061                 vf.frequency = 1460;    /* ch. 1 91250*16/1000 */
1062         else if (cx->std & V4L2_STD_NTSC_M)
1063                 vf.frequency = 1076;    /* ch. 4 67250*16/1000 */
1064
1065         video_input = cx->active_input;
1066         cx->active_input++;     /* Force update of input */
1067         cx18_s_input(NULL, &fh, video_input);
1068
1069         /* Let the VIDIOC_S_STD ioctl do all the work, keeps the code
1070            in one place. */
1071         cx->std++;              /* Force full standard initialization */
1072         cx18_s_std(NULL, &fh, &cx->tuner_std);
1073         cx18_s_frequency(NULL, &fh, &vf);
1074         return 0;
1075 }
1076
1077 static void cx18_cancel_epu_work_orders(struct cx18 *cx)
1078 {
1079         int i;
1080         for (i = 0; i < CX18_MAX_EPU_WORK_ORDERS; i++)
1081                 cancel_work_sync(&cx->epu_work_order[i].work);
1082 }
1083
1084 static void cx18_remove(struct pci_dev *pci_dev)
1085 {
1086         struct cx18 *cx = pci_get_drvdata(pci_dev);
1087
1088         CX18_DEBUG_INFO("Removing Card #%d\n", cx->num);
1089
1090         /* Stop all captures */
1091         CX18_DEBUG_INFO("Stopping all streams\n");
1092         if (atomic_read(&cx->tot_capturing) > 0)
1093                 cx18_stop_all_captures(cx);
1094
1095         /* Interrupts */
1096         cx18_sw1_irq_disable(cx, IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU);
1097         cx18_sw2_irq_disable(cx, IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK);
1098
1099         cx18_halt_firmware(cx);
1100
1101         cx18_cancel_epu_work_orders(cx);
1102
1103         destroy_workqueue(cx->work_queue);
1104
1105         cx18_streams_cleanup(cx, 1);
1106
1107         exit_cx18_i2c(cx);
1108
1109         free_irq(cx->dev->irq, (void *)cx);
1110
1111         cx18_iounmap(cx);
1112
1113         release_mem_region(cx->base_addr, CX18_MEM_SIZE);
1114
1115         pci_disable_device(cx->dev);
1116
1117         CX18_INFO("Removed %s, card #%d\n", cx->card_name, cx->num);
1118 }
1119
1120 /* define a pci_driver for card detection */
1121 static struct pci_driver cx18_pci_driver = {
1122       .name =     "cx18",
1123       .id_table = cx18_pci_tbl,
1124       .probe =    cx18_probe,
1125       .remove =   cx18_remove,
1126 };
1127
1128 static int module_start(void)
1129 {
1130         printk(KERN_INFO "cx18:  Start initialization, version %s\n", CX18_VERSION);
1131
1132         memset(cx18_cards, 0, sizeof(cx18_cards));
1133
1134         /* Validate parameters */
1135         if (cx18_first_minor < 0 || cx18_first_minor >= CX18_MAX_CARDS) {
1136                 printk(KERN_ERR "cx18:  Exiting, cx18_first_minor must be between 0 and %d\n",
1137                      CX18_MAX_CARDS - 1);
1138                 return -1;
1139         }
1140
1141         if (cx18_debug < 0 || cx18_debug > 511) {
1142                 cx18_debug = 0;
1143                 printk(KERN_INFO "cx18:   Debug value must be >= 0 and <= 511!\n");
1144         }
1145
1146         if (pci_register_driver(&cx18_pci_driver)) {
1147                 printk(KERN_ERR "cx18:   Error detecting PCI card\n");
1148                 return -ENODEV;
1149         }
1150         printk(KERN_INFO "cx18:  End initialization\n");
1151         return 0;
1152 }
1153
1154 static void module_cleanup(void)
1155 {
1156         int i;
1157
1158         pci_unregister_driver(&cx18_pci_driver);
1159
1160         for (i = 0; i < cx18_cards_active; i++) {
1161                 if (cx18_cards[i] == NULL)
1162                         continue;
1163                 kfree(cx18_cards[i]);
1164         }
1165
1166 }
1167
1168 module_init(module_start);
1169 module_exit(module_cleanup);