git.oblomov.eu Git - linux-2.6/blob - 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 /* If you have already X v4l cards, then set this to X. This way
  43    the device numbers stay matched. Example: you have a WinTV card
  44    without radio and a Compro H900 with. Normally this would give a
  45    video1 device together with a radio0 device for the Compro. By
  46    setting this to 1 you ensure that radio0 is now also radio1. */
  47 int cx18_first_minor;
  48
  49 /* add your revision and whatnot here */
  50 static struct pci_device_id cx18_pci_tbl[] __devinitdata = {
  51         {PCI_VENDOR_ID_CX, PCI_DEVICE_ID_CX23418,
  52          PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
  53         {0,}
  54 };
  55
  56 MODULE_DEVICE_TABLE(pci, cx18_pci_tbl);
  57
  58 static atomic_t cx18_instance = ATOMIC_INIT(0);
  59
  60 /* Parameter declarations */
  61 static int cardtype[CX18_MAX_CARDS];
  62 static int tuner[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
  63                                      -1, -1, -1, -1, -1, -1, -1, -1,
  64                                      -1, -1, -1, -1, -1, -1, -1, -1,
  65                                      -1, -1, -1, -1, -1, -1, -1, -1 };
  66 static int radio[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
  67                                      -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 static unsigned cardtype_c = 1;
  71 static unsigned tuner_c = 1;
  72 static unsigned radio_c = 1;
  73 static char pal[] = "--";
  74 static char secam[] = "--";
  75 static char ntsc[] = "-";
  76
  77 /* Buffers */
  78 static int enc_ts_buffers = CX18_DEFAULT_ENC_TS_BUFFERS;
  79 static int enc_mpg_buffers = CX18_DEFAULT_ENC_MPG_BUFFERS;
  80 static int enc_idx_buffers = CX18_DEFAULT_ENC_IDX_BUFFERS;
  81 static int enc_yuv_buffers = CX18_DEFAULT_ENC_YUV_BUFFERS;
  82 static int enc_vbi_buffers = CX18_DEFAULT_ENC_VBI_BUFFERS;
  83 static int enc_pcm_buffers = CX18_DEFAULT_ENC_PCM_BUFFERS;
  84
  85 static int enc_ts_bufsize = CX18_DEFAULT_ENC_TS_BUFSIZE;
  86 static int enc_mpg_bufsize = CX18_DEFAULT_ENC_MPG_BUFSIZE;
  87 static int enc_idx_bufsize = CX18_DEFAULT_ENC_IDX_BUFSIZE;
  88 static int enc_yuv_bufsize = CX18_DEFAULT_ENC_YUV_BUFSIZE;
  89 /* VBI bufsize based on standards supported by card tuner for now */
  90 static int enc_pcm_bufsize = CX18_DEFAULT_ENC_PCM_BUFSIZE;
  91
  92 static int enc_ts_bufs = -1;
  93 static int enc_mpg_bufs = -1;
  94 static int enc_idx_bufs = -1;
  95 static int enc_yuv_bufs = -1;
  96 static int enc_vbi_bufs = -1;
  97 static int enc_pcm_bufs = -1;
  98
  99
 100 static int cx18_pci_latency = 1;
 101
 102 static int mmio_ndelay;
 103 static int retry_mmio = 1;
 104
 105 int cx18_debug;
 106
 107 module_param_array(tuner, int, &tuner_c, 0644);
 108 module_param_array(radio, bool, &radio_c, 0644);
 109 module_param_array(cardtype, int, &cardtype_c, 0644);
 110 module_param_string(pal, pal, sizeof(pal), 0644);
 111 module_param_string(secam, secam, sizeof(secam), 0644);
 112 module_param_string(ntsc, ntsc, sizeof(ntsc), 0644);
 113 module_param_named(debug, cx18_debug, int, 0644);
 114 module_param(mmio_ndelay, int, 0644);
 115 module_param(retry_mmio, int, 0644);
 116 module_param(cx18_pci_latency, int, 0644);
 117 module_param(cx18_first_minor, int, 0644);
 118
 119 module_param(enc_ts_buffers, int, 0644);
 120 module_param(enc_mpg_buffers, int, 0644);
 121 module_param(enc_idx_buffers, int, 0644);
 122 module_param(enc_yuv_buffers, int, 0644);
 123 module_param(enc_vbi_buffers, int, 0644);
 124 module_param(enc_pcm_buffers, int, 0644);
 125
 126 module_param(enc_ts_bufsize, int, 0644);
 127 module_param(enc_mpg_bufsize, int, 0644);
 128 module_param(enc_idx_bufsize, int, 0644);
 129 module_param(enc_yuv_bufsize, int, 0644);
 130 /* VBI bufsize based on standards supported by card tuner for now */
 131 module_param(enc_pcm_bufsize, int, 0644);
 132
 133 module_param(enc_ts_bufs, int, 0644);
 134 module_param(enc_mpg_bufs, int, 0644);
 135 module_param(enc_idx_bufs, int, 0644);
 136 module_param(enc_yuv_bufs, int, 0644);
 137 module_param(enc_vbi_bufs, int, 0644);
 138 module_param(enc_pcm_bufs, int, 0644);
 139
 140 MODULE_PARM_DESC(tuner, "Tuner type selection,\n"
 141                         "\t\t\tsee tuner.h for values");
 142 MODULE_PARM_DESC(radio,
 143                  "Enable or disable the radio. Use only if autodetection\n"
 144                  "\t\t\tfails. 0 = disable, 1 = enable");
 145 MODULE_PARM_DESC(cardtype,
 146                  "Only use this option if your card is not detected properly.\n"
 147                  "\t\tSpecify card type:\n"
 148                  "\t\t\t 1 = Hauppauge HVR 1600 (ESMT memory)\n"
 149                  "\t\t\t 2 = Hauppauge HVR 1600 (Samsung memory)\n"
 150                  "\t\t\t 3 = Compro VideoMate H900\n"
 151                  "\t\t\t 4 = Yuan MPC718\n"
 152                  "\t\t\t 5 = Conexant Raptor PAL/SECAM\n"
 153                  "\t\t\t 6 = Toshiba Qosmio DVB-T/Analog\n"
 154                  "\t\t\t 7 = Leadtek WinFast PVR2100/DVR3100 H\n"
 155                  "\t\t\t 0 = Autodetect (default)\n"
 156                  "\t\t\t-1 = Ignore this card\n\t\t");
 157 MODULE_PARM_DESC(pal, "Set PAL standard: B, G, H, D, K, I, M, N, Nc, 60");
 158 MODULE_PARM_DESC(secam, "Set SECAM standard: B, G, H, D, K, L, LC");
 159 MODULE_PARM_DESC(ntsc, "Set NTSC standard: M, J, K");
 160 MODULE_PARM_DESC(debug,
 161                  "Debug level (bitmask). Default: 0\n"
 162                  "\t\t\t  1/0x0001: warning\n"
 163                  "\t\t\t  2/0x0002: info\n"
 164                  "\t\t\t  4/0x0004: mailbox\n"
 165                  "\t\t\t  8/0x0008: dma\n"
 166                  "\t\t\t 16/0x0010: ioctl\n"
 167                  "\t\t\t 32/0x0020: file\n"
 168                  "\t\t\t 64/0x0040: i2c\n"
 169                  "\t\t\t128/0x0080: irq\n"
 170                  "\t\t\t256/0x0100: high volume\n");
 171 MODULE_PARM_DESC(cx18_pci_latency,
 172                  "Change the PCI latency to 64 if lower: 0 = No, 1 = Yes,\n"
 173                  "\t\t\tDefault: Yes");
 174 MODULE_PARM_DESC(retry_mmio,
 175                  "(Deprecated) MMIO writes are now always checked and retried\n"
 176                  "\t\t\tEffectively: 1 [Yes]");
 177 MODULE_PARM_DESC(mmio_ndelay,
 178                  "(Deprecated) MMIO accesses are now never purposely delayed\n"
 179                  "\t\t\tEffectively: 0 ns");
 180 MODULE_PARM_DESC(enc_ts_buffers,
 181                  "Encoder TS buffer memory (MB). (enc_ts_bufs can override)\n"
 182                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_TS_BUFFERS));
 183 MODULE_PARM_DESC(enc_ts_bufsize,
 184                  "Size of an encoder TS buffer (kB)\n"
 185                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_TS_BUFSIZE));
 186 MODULE_PARM_DESC(enc_ts_bufs,
 187                  "Number of encoder TS buffers\n"
 188                  "\t\t\tDefault is computed from other enc_ts_* parameters");
 189 MODULE_PARM_DESC(enc_mpg_buffers,
 190                  "Encoder MPG buffer memory (MB). (enc_mpg_bufs can override)\n"
 191                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFFERS));
 192 MODULE_PARM_DESC(enc_mpg_bufsize,
 193                  "Size of an encoder MPG buffer (kB)\n"
 194                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFSIZE));
 195 MODULE_PARM_DESC(enc_mpg_bufs,
 196                  "Number of encoder MPG buffers\n"
 197                  "\t\t\tDefault is computed from other enc_mpg_* parameters");
 198 MODULE_PARM_DESC(enc_idx_buffers,
 199                  "Encoder IDX buffer memory (MB). (enc_idx_bufs can override)\n"
 200                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_IDX_BUFFERS));
 201 MODULE_PARM_DESC(enc_idx_bufsize,
 202                  "Size of an encoder IDX buffer (kB)\n"
 203                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_IDX_BUFSIZE));
 204 MODULE_PARM_DESC(enc_idx_bufs,
 205                  "Number of encoder IDX buffers\n"
 206                  "\t\t\tDefault is computed from other enc_idx_* parameters");
 207 MODULE_PARM_DESC(enc_yuv_buffers,
 208                  "Encoder YUV buffer memory (MB). (enc_yuv_bufs can override)\n"
 209                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_YUV_BUFFERS));
 210 MODULE_PARM_DESC(enc_yuv_bufsize,
 211                  "Size of an encoder YUV buffer (kB)\n"
 212                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_YUV_BUFSIZE));
 213 MODULE_PARM_DESC(enc_yuv_bufs,
 214                  "Number of encoder YUV buffers\n"
 215                  "\t\t\tDefault is computed from other enc_yuv_* parameters");
 216 MODULE_PARM_DESC(enc_vbi_buffers,
 217                  "Encoder VBI buffer memory (MB). (enc_vbi_bufs can override)\n"
 218                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_VBI_BUFFERS));
 219 MODULE_PARM_DESC(enc_vbi_bufs,
 220                  "Number of encoder VBI buffers\n"
 221                  "\t\t\tDefault is computed from enc_vbi_buffers & tuner std");
 222 MODULE_PARM_DESC(enc_pcm_buffers,
 223                  "Encoder PCM buffer memory (MB). (enc_pcm_bufs can override)\n"
 224                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_PCM_BUFFERS));
 225 MODULE_PARM_DESC(enc_pcm_bufsize,
 226                  "Size of an encoder PCM buffer (kB)\n"
 227                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_PCM_BUFSIZE));
 228 MODULE_PARM_DESC(enc_pcm_bufs,
 229                  "Number of encoder PCM buffers\n"
 230                  "\t\t\tDefault is computed from other enc_pcm_* parameters");
 231
 232 MODULE_PARM_DESC(cx18_first_minor, "Set kernel number assigned to first card");
 233
 234 MODULE_AUTHOR("Hans Verkuil");
 235 MODULE_DESCRIPTION("CX23418 driver");
 236 MODULE_SUPPORTED_DEVICE("CX23418 MPEG2 encoder");
 237 MODULE_LICENSE("GPL");
 238
 239 MODULE_VERSION(CX18_VERSION);
 240
 241 /* Generic utility functions */
 242 int cx18_msleep_timeout(unsigned int msecs, int intr)
 243 {
 244         long int timeout = msecs_to_jiffies(msecs);
 245         int sig;
 246
 247         do {
 248                 set_current_state(intr ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);
 249                 timeout = schedule_timeout(timeout);
 250                 sig = intr ? signal_pending(current) : 0;
 251         } while (!sig && timeout);
 252         return sig;
 253 }
 254
 255 /* Release ioremapped memory */
 256 static void cx18_iounmap(struct cx18 *cx)
 257 {
 258         if (cx == NULL)
 259                 return;
 260
 261         /* Release io memory */
 262         if (cx->enc_mem != NULL) {
 263                 CX18_DEBUG_INFO("releasing enc_mem\n");
 264                 iounmap(cx->enc_mem);
 265                 cx->enc_mem = NULL;
 266         }
 267 }
 268
 269 /* Hauppauge card? get values from tveeprom */
 270 void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv)
 271 {
 272         struct i2c_client c;
 273         u8 eedata[256];
 274
 275         memset(&c, 0, sizeof(c));
 276         strlcpy(c.name, "cx18 tveeprom tmp", sizeof(c.name));
 277         c.adapter = &cx->i2c_adap[0];
 278         c.addr = 0xA0 >> 1;
 279
 280         tveeprom_read(&c, eedata, sizeof(eedata));
 281         tveeprom_hauppauge_analog(&c, tv, eedata);
 282 }
 283
 284 static void cx18_process_eeprom(struct cx18 *cx)
 285 {
 286         struct tveeprom tv;
 287
 288         cx18_read_eeprom(cx, &tv);
 289
 290         /* Many thanks to Steven Toth from Hauppauge for providing the
 291            model numbers */
 292         /* Note: the Samsung memory models cannot be reliably determined
 293            from the model number. Use the cardtype module option if you
 294            have one of these preproduction models. */
 295         switch (tv.model) {
 296         case 74000 ... 74999:
 297                 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
 298                 break;
 299         case 0:
 300                 CX18_ERR("Invalid EEPROM\n");
 301                 return;
 302         default:
 303                 CX18_ERR("Unknown model %d, defaulting to HVR-1600\n", tv.model);
 304                 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
 305                 break;
 306         }
 307
 308         cx->v4l2_cap = cx->card->v4l2_capabilities;
 309         cx->card_name = cx->card->name;
 310         cx->card_i2c = cx->card->i2c;
 311
 312         CX18_INFO("Autodetected %s\n", cx->card_name);
 313
 314         if (tv.tuner_type == TUNER_ABSENT)
 315                 CX18_ERR("tveeprom cannot autodetect tuner!");
 316
 317         if (cx->options.tuner == -1)
 318                 cx->options.tuner = tv.tuner_type;
 319         if (cx->options.radio == -1)
 320                 cx->options.radio = (tv.has_radio != 0);
 321
 322         if (cx->std != 0)
 323                 /* user specified tuner standard */
 324                 return;
 325
 326         /* autodetect tuner standard */
 327         if (tv.tuner_formats & V4L2_STD_PAL) {
 328                 CX18_DEBUG_INFO("PAL tuner detected\n");
 329                 cx->std |= V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
 330         } else if (tv.tuner_formats & V4L2_STD_NTSC) {
 331                 CX18_DEBUG_INFO("NTSC tuner detected\n");
 332                 cx->std |= V4L2_STD_NTSC_M;
 333         } else if (tv.tuner_formats & V4L2_STD_SECAM) {
 334                 CX18_DEBUG_INFO("SECAM tuner detected\n");
 335                 cx->std |= V4L2_STD_SECAM_L;
 336         } else {
 337                 CX18_INFO("No tuner detected, default to NTSC-M\n");
 338                 cx->std |= V4L2_STD_NTSC_M;
 339         }
 340 }
 341
 342 static v4l2_std_id cx18_parse_std(struct cx18 *cx)
 343 {
 344         switch (pal[0]) {
 345         case '6':
 346                 return V4L2_STD_PAL_60;
 347         case 'b':
 348         case 'B':
 349         case 'g':
 350         case 'G':
 351                 return V4L2_STD_PAL_BG;
 352         case 'h':
 353         case 'H':
 354                 return V4L2_STD_PAL_H;
 355         case 'n':
 356         case 'N':
 357                 if (pal[1] == 'c' || pal[1] == 'C')
 358                         return V4L2_STD_PAL_Nc;
 359                 return V4L2_STD_PAL_N;
 360         case 'i':
 361         case 'I':
 362                 return V4L2_STD_PAL_I;
 363         case 'd':
 364         case 'D':
 365         case 'k':
 366         case 'K':
 367                 return V4L2_STD_PAL_DK;
 368         case 'M':
 369         case 'm':
 370                 return V4L2_STD_PAL_M;
 371         case '-':
 372                 break;
 373         default:
 374                 CX18_WARN("pal= argument not recognised\n");
 375                 return 0;
 376         }
 377
 378         switch (secam[0]) {
 379         case 'b':
 380         case 'B':
 381         case 'g':
 382         case 'G':
 383         case 'h':
 384         case 'H':
 385                 return V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H;
 386         case 'd':
 387         case 'D':
 388         case 'k':
 389         case 'K':
 390                 return V4L2_STD_SECAM_DK;
 391         case 'l':
 392         case 'L':
 393                 if (secam[1] == 'C' || secam[1] == 'c')
 394                         return V4L2_STD_SECAM_LC;
 395                 return V4L2_STD_SECAM_L;
 396         case '-':
 397                 break;
 398         default:
 399                 CX18_WARN("secam= argument not recognised\n");
 400                 return 0;
 401         }
 402
 403         switch (ntsc[0]) {
 404         case 'm':
 405         case 'M':
 406                 return V4L2_STD_NTSC_M;
 407         case 'j':
 408         case 'J':
 409                 return V4L2_STD_NTSC_M_JP;
 410         case 'k':
 411         case 'K':
 412                 return V4L2_STD_NTSC_M_KR;
 413         case '-':
 414                 break;
 415         default:
 416                 CX18_WARN("ntsc= argument not recognised\n");
 417                 return 0;
 418         }
 419
 420         /* no match found */
 421         return 0;
 422 }
 423
 424 static void cx18_process_options(struct cx18 *cx)
 425 {
 426         int i, j;
 427
 428         cx->options.megabytes[CX18_ENC_STREAM_TYPE_TS] = enc_ts_buffers;
 429         cx->options.megabytes[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_buffers;
 430         cx->options.megabytes[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_buffers;
 431         cx->options.megabytes[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_buffers;
 432         cx->options.megabytes[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_buffers;
 433         cx->options.megabytes[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_buffers;
 434         cx->options.megabytes[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control only */
 435
 436         cx->stream_buffers[CX18_ENC_STREAM_TYPE_TS] = enc_ts_bufs;
 437         cx->stream_buffers[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_bufs;
 438         cx->stream_buffers[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_bufs;
 439         cx->stream_buffers[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_bufs;
 440         cx->stream_buffers[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_bufs;
 441         cx->stream_buffers[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_bufs;
 442         cx->stream_buffers[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control, no data */
 443
 444         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_TS] = enc_ts_bufsize;
 445         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_bufsize;
 446         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_bufsize;
 447         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_bufsize;
 448         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_VBI] = vbi_active_samples * 36;
 449         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_bufsize;
 450         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control no data */
 451
 452         /* Ensure stream_buffers & stream_buf_size are valid */
 453         for (i = 0; i < CX18_MAX_STREAMS; i++) {
 454                 if (cx->stream_buffers[i] == 0 ||     /* User said 0 buffers */
 455                     cx->options.megabytes[i] <= 0 ||  /* User said 0 MB total */
 456                     cx->stream_buf_size[i] <= 0) {    /* User said buf size 0 */
 457                         cx->options.megabytes[i] = 0;
 458                         cx->stream_buffers[i] = 0;
 459                         cx->stream_buf_size[i] = 0;
 460                         continue;
 461                 }
 462                 /*
 463                  * VBI is a special case where the stream_buf_size is fixed
 464                  * and already in bytes
 465                  */
 466                 if (i == CX18_ENC_STREAM_TYPE_VBI) {
 467                         if (cx->stream_buffers[i] < 0) {
 468                                 cx->stream_buffers[i] =
 469                                         cx->options.megabytes[i] * 1024 * 1024
 470                                         / cx->stream_buf_size[i];
 471                         } else {
 472                                 /* N.B. This might round down to 0 */
 473                                 cx->options.megabytes[i] =
 474                                         cx->stream_buffers[i]
 475                                         * cx->stream_buf_size[i]/(1024 * 1024);
 476                         }
 477                         continue;
 478                 }
 479                 /* All other streams have stream_buf_size in kB at this point */
 480                 if (cx->stream_buffers[i] < 0) {
 481                         cx->stream_buffers[i] = cx->options.megabytes[i] * 1024
 482                                                 / cx->stream_buf_size[i];
 483                 } else {
 484                         /* N.B. This might round down to 0 */
 485                         cx->options.megabytes[i] =
 486                           cx->stream_buffers[i] * cx->stream_buf_size[i] / 1024;
 487                 }
 488                 cx->stream_buf_size[i] *= 1024; /* convert from kB to bytes */
 489         }
 490
 491         cx->options.cardtype = cardtype[cx->instance];
 492         cx->options.tuner = tuner[cx->instance];
 493         cx->options.radio = radio[cx->instance];
 494
 495         cx->std = cx18_parse_std(cx);
 496         if (cx->options.cardtype == -1) {
 497                 CX18_INFO("Ignore card\n");
 498                 return;
 499         }
 500         cx->card = cx18_get_card(cx->options.cardtype - 1);
 501         if (cx->card)
 502                 CX18_INFO("User specified %s card\n", cx->card->name);
 503         else if (cx->options.cardtype != 0)
 504                 CX18_ERR("Unknown user specified type, trying to autodetect card\n");
 505         if (cx->card == NULL) {
 506                 if (cx->pci_dev->subsystem_vendor == CX18_PCI_ID_HAUPPAUGE) {
 507                         cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
 508                         CX18_INFO("Autodetected Hauppauge card\n");
 509                 }
 510         }
 511         if (cx->card == NULL) {
 512                 for (i = 0; (cx->card = cx18_get_card(i)); i++) {
 513                         if (cx->card->pci_list == NULL)
 514                                 continue;
 515                         for (j = 0; cx->card->pci_list[j].device; j++) {
 516                                 if (cx->pci_dev->device !=
 517                                     cx->card->pci_list[j].device)
 518                                         continue;
 519                                 if (cx->pci_dev->subsystem_vendor !=
 520                                     cx->card->pci_list[j].subsystem_vendor)
 521                                         continue;
 522                                 if (cx->pci_dev->subsystem_device !=
 523                                     cx->card->pci_list[j].subsystem_device)
 524                                         continue;
 525                                 CX18_INFO("Autodetected %s card\n", cx->card->name);
 526                                 goto done;
 527                         }
 528                 }
 529         }
 530 done:
 531
 532         if (cx->card == NULL) {
 533                 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
 534                 CX18_ERR("Unknown card: vendor/device: [%04x:%04x]\n",
 535                          cx->pci_dev->vendor, cx->pci_dev->device);
 536                 CX18_ERR("              subsystem vendor/device: [%04x:%04x]\n",
 537                          cx->pci_dev->subsystem_vendor,
 538                          cx->pci_dev->subsystem_device);
 539                 CX18_ERR("Defaulting to %s card\n", cx->card->name);
 540                 CX18_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n");
 541                 CX18_ERR("card you have to the ivtv-devel mailinglist (www.ivtvdriver.org)\n");
 542                 CX18_ERR("Prefix your subject line with [UNKNOWN CX18 CARD].\n");
 543         }
 544         cx->v4l2_cap = cx->card->v4l2_capabilities;
 545         cx->card_name = cx->card->name;
 546         cx->card_i2c = cx->card->i2c;
 547 }
 548
 549 /* Precondition: the cx18 structure has been memset to 0. Only
 550    the dev and instance fields have been filled in.
 551    No assumptions on the card type may be made here (see cx18_init_struct2
 552    for that).
 553  */
 554 static int __devinit cx18_init_struct1(struct cx18 *cx)
 555 {
 556         int i;
 557
 558         cx->base_addr = pci_resource_start(cx->pci_dev, 0);
 559
 560         mutex_init(&cx->serialize_lock);
 561         mutex_init(&cx->gpio_lock);
 562         mutex_init(&cx->epu2apu_mb_lock);
 563         mutex_init(&cx->epu2cpu_mb_lock);
 564
 565         cx->work_queue = create_singlethread_workqueue(cx->v4l2_dev.name);
 566         if (cx->work_queue == NULL) {
 567                 CX18_ERR("Unable to create work hander thread\n");
 568                 return -ENOMEM;
 569         }
 570
 571         for (i = 0; i < CX18_MAX_EPU_WORK_ORDERS; i++) {
 572                 cx->epu_work_order[i].cx = cx;
 573                 cx->epu_work_order[i].str = cx->epu_debug_str;
 574                 INIT_WORK(&cx->epu_work_order[i].work, cx18_epu_work_handler);
 575         }
 576
 577         /* start counting open_id at 1 */
 578         cx->open_id = 1;
 579
 580         /* Initial settings */
 581         cx2341x_fill_defaults(&cx->params);
 582         cx->temporal_strength = cx->params.video_temporal_filter;
 583         cx->spatial_strength = cx->params.video_spatial_filter;
 584         cx->filter_mode = cx->params.video_spatial_filter_mode |
 585                 (cx->params.video_temporal_filter_mode << 1) |
 586                 (cx->params.video_median_filter_type << 2);
 587         cx->params.port = CX2341X_PORT_MEMORY;
 588         cx->params.capabilities =
 589                                 CX2341X_CAP_HAS_TS | CX2341X_CAP_HAS_SLICED_VBI;
 590         init_waitqueue_head(&cx->cap_w);
 591         init_waitqueue_head(&cx->mb_apu_waitq);
 592         init_waitqueue_head(&cx->mb_cpu_waitq);
 593         init_waitqueue_head(&cx->dma_waitq);
 594
 595         /* VBI */
 596         cx->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
 597         cx->vbi.sliced_in = &cx->vbi.in.fmt.sliced;
 598
 599         return 0;
 600 }
 601
 602 /* Second initialization part. Here the card type has been
 603    autodetected. */
 604 static void __devinit cx18_init_struct2(struct cx18 *cx)
 605 {
 606         int i;
 607
 608         for (i = 0; i < CX18_CARD_MAX_VIDEO_INPUTS; i++)
 609                 if (cx->card->video_inputs[i].video_type == 0)
 610                         break;
 611         cx->nof_inputs = i;
 612         for (i = 0; i < CX18_CARD_MAX_AUDIO_INPUTS; i++)
 613                 if (cx->card->audio_inputs[i].audio_type == 0)
 614                         break;
 615         cx->nof_audio_inputs = i;
 616
 617         /* Find tuner input */
 618         for (i = 0; i < cx->nof_inputs; i++) {
 619                 if (cx->card->video_inputs[i].video_type ==
 620                                 CX18_CARD_INPUT_VID_TUNER)
 621                         break;
 622         }
 623         if (i == cx->nof_inputs)
 624                 i = 0;
 625         cx->active_input = i;
 626         cx->audio_input = cx->card->video_inputs[i].audio_index;
 627 }
 628
 629 static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *pci_dev,
 630                           const struct pci_device_id *pci_id)
 631 {
 632         u16 cmd;
 633         unsigned char pci_latency;
 634
 635         CX18_DEBUG_INFO("Enabling pci device\n");
 636
 637         if (pci_enable_device(pci_dev)) {
 638                 CX18_ERR("Can't enable device %d!\n", cx->instance);
 639                 return -EIO;
 640         }
 641         if (pci_set_dma_mask(pci_dev, 0xffffffff)) {
 642                 CX18_ERR("No suitable DMA available, card %d\n", cx->instance);
 643                 return -EIO;
 644         }
 645         if (!request_mem_region(cx->base_addr, CX18_MEM_SIZE, "cx18 encoder")) {
 646                 CX18_ERR("Cannot request encoder memory region, card %d\n",
 647                          cx->instance);
 648                 return -EIO;
 649         }
 650
 651         /* Enable bus mastering and memory mapped IO for the CX23418 */
 652         pci_read_config_word(pci_dev, PCI_COMMAND, &cmd);
 653         cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
 654         pci_write_config_word(pci_dev, PCI_COMMAND, cmd);
 655
 656         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &cx->card_rev);
 657         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency);
 658
 659         if (pci_latency < 64 && cx18_pci_latency) {
 660                 CX18_INFO("Unreasonably low latency timer, "
 661                                "setting to 64 (was %d)\n", pci_latency);
 662                 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, 64);
 663                 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency);
 664         }
 665
 666         CX18_DEBUG_INFO("cx%d (rev %d) at %02x:%02x.%x, "
 667                    "irq: %d, latency: %d, memory: 0x%lx\n",
 668                    cx->pci_dev->device, cx->card_rev, pci_dev->bus->number,
 669                    PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn),
 670                    cx->pci_dev->irq, pci_latency, (unsigned long)cx->base_addr);
 671
 672         return 0;
 673 }
 674
 675 static void cx18_init_subdevs(struct cx18 *cx)
 676 {
 677         u32 hw = cx->card->hw_all;
 678         u32 device;
 679         int i;
 680
 681         for (i = 0, device = 1; i < 32; i++, device <<= 1) {
 682
 683                 if (!(device & hw))
 684                         continue;
 685
 686                 switch (device) {
 687                 case CX18_HW_DVB:
 688                 case CX18_HW_TVEEPROM:
 689                         /* These subordinate devices do not use probing */
 690                         cx->hw_flags |= device;
 691                         break;
 692                 case CX18_HW_418_AV:
 693                         /* The A/V decoder gets probed earlier to set PLLs */
 694                         /* Just note that the card uses it (i.e. has analog) */
 695                         cx->hw_flags |= device;
 696                         break;
 697                 case CX18_HW_GPIO_RESET_CTRL:
 698                         /*
 699                          * The Reset Controller gets probed and added to
 700                          * hw_flags earlier for i2c adapter/bus initialization
 701                          */
 702                         break;
 703                 case CX18_HW_GPIO_MUX:
 704                         if (cx18_gpio_register(cx, device) == 0)
 705                                 cx->hw_flags |= device;
 706                         break;
 707                 default:
 708                         if (cx18_i2c_register(cx, i) == 0)
 709                                 cx->hw_flags |= device;
 710                         break;
 711                 }
 712         }
 713
 714         if (cx->hw_flags & CX18_HW_418_AV)
 715                 cx->sd_av = cx18_find_hw(cx, CX18_HW_418_AV);
 716
 717         if (cx->card->hw_muxer != 0)
 718                 cx->sd_extmux = cx18_find_hw(cx, cx->card->hw_muxer);
 719 }
 720
 721 static int __devinit cx18_probe(struct pci_dev *pci_dev,
 722                                 const struct pci_device_id *pci_id)
 723 {
 724         int retval = 0;
 725         int i;
 726         u32 devtype;
 727         struct cx18 *cx;
 728
 729         /* FIXME - module parameter arrays constrain max instances */
 730         i = atomic_inc_return(&cx18_instance) - 1;
 731         if (i >= CX18_MAX_CARDS) {
 732                 printk(KERN_ERR "cx18: cannot manage card %d, driver has a "
 733                        "limit of 0 - %d\n", i, CX18_MAX_CARDS - 1);
 734                 return -ENOMEM;
 735         }
 736
 737         cx = kzalloc(sizeof(struct cx18), GFP_ATOMIC);
 738         if (cx == NULL) {
 739                 printk(KERN_ERR "cx18: cannot manage card %d, out of memory\n",
 740                        i);
 741                 return -ENOMEM;
 742         }
 743         cx->pci_dev = pci_dev;
 744         cx->instance = i;
 745
 746         retval = v4l2_device_register(&pci_dev->dev, &cx->v4l2_dev);
 747         if (retval) {
 748                 printk(KERN_ERR "cx18: v4l2_device_register of card %d failed"
 749                        "\n", cx->instance);
 750                 kfree(cx);
 751                 return retval;
 752         }
 753         snprintf(cx->v4l2_dev.name, sizeof(cx->v4l2_dev.name), "cx18-%d",
 754                  cx->instance);
 755         CX18_INFO("Initializing card %d\n", cx->instance);
 756
 757         cx18_process_options(cx);
 758         if (cx->options.cardtype == -1) {
 759                 retval = -ENODEV;
 760                 goto err;
 761         }
 762         if (cx18_init_struct1(cx)) {
 763                 retval = -ENOMEM;
 764                 goto err;
 765         }
 766
 767         CX18_DEBUG_INFO("base addr: 0x%08x\n", cx->base_addr);
 768
 769         /* PCI Device Setup */
 770         retval = cx18_setup_pci(cx, pci_dev, pci_id);
 771         if (retval != 0)
 772                 goto free_workqueue;
 773
 774         /* map io memory */
 775         CX18_DEBUG_INFO("attempting ioremap at 0x%08x len 0x%08x\n",
 776                    cx->base_addr + CX18_MEM_OFFSET, CX18_MEM_SIZE);
 777         cx->enc_mem = ioremap_nocache(cx->base_addr + CX18_MEM_OFFSET,
 778                                        CX18_MEM_SIZE);
 779         if (!cx->enc_mem) {
 780                 CX18_ERR("ioremap failed, perhaps increasing __VMALLOC_RESERVE in page.h\n");
 781                 CX18_ERR("or disabling CONFIG_HIGHMEM4G into the kernel would help\n");
 782                 retval = -ENOMEM;
 783                 goto free_mem;
 784         }
 785         cx->reg_mem = cx->enc_mem + CX18_REG_OFFSET;
 786         devtype = cx18_read_reg(cx, 0xC72028);
 787         switch (devtype & 0xff000000) {
 788         case 0xff000000:
 789                 CX18_INFO("cx23418 revision %08x (A)\n", devtype);
 790                 break;
 791         case 0x01000000:
 792                 CX18_INFO("cx23418 revision %08x (B)\n", devtype);
 793                 break;
 794         default:
 795                 CX18_INFO("cx23418 revision %08x (Unknown)\n", devtype);
 796                 break;
 797         }
 798
 799         cx18_init_power(cx, 1);
 800         cx18_init_memory(cx);
 801
 802         cx->scb = (struct cx18_scb __iomem *)(cx->enc_mem + SCB_OFFSET);
 803         cx18_init_scb(cx);
 804
 805         cx18_gpio_init(cx);
 806
 807         /* Initialize integrated A/V decoder early to set PLLs, just in case */
 808         retval = cx18_av_probe(cx);
 809         if (retval) {
 810                 CX18_ERR("Could not register A/V decoder subdevice\n");
 811                 goto free_map;
 812         }
 813         cx18_call_hw(cx, CX18_HW_418_AV, core, init, 0);
 814
 815         /* Initialize GPIO Reset Controller to do chip resets during i2c init */
 816         if (cx->card->hw_all & CX18_HW_GPIO_RESET_CTRL) {
 817                 if (cx18_gpio_register(cx, CX18_HW_GPIO_RESET_CTRL) != 0)
 818                         CX18_WARN("Could not register GPIO reset controller"
 819                                   "subdevice; proceeding anyway.\n");
 820                 else
 821                         cx->hw_flags |= CX18_HW_GPIO_RESET_CTRL;
 822         }
 823
 824         /* active i2c  */
 825         CX18_DEBUG_INFO("activating i2c...\n");
 826         retval = init_cx18_i2c(cx);
 827         if (retval) {
 828                 CX18_ERR("Could not initialize i2c\n");
 829                 goto free_map;
 830         }
 831
 832         if (cx->card->hw_all & CX18_HW_TVEEPROM) {
 833                 /* Based on the model number the cardtype may be changed.
 834                    The PCI IDs are not always reliable. */
 835                 cx18_process_eeprom(cx);
 836         }
 837         if (cx->card->comment)
 838                 CX18_INFO("%s", cx->card->comment);
 839         if (cx->card->v4l2_capabilities == 0) {
 840                 retval = -ENODEV;
 841                 goto free_i2c;
 842         }
 843         cx18_init_memory(cx);
 844         cx18_init_scb(cx);
 845
 846         /* Register IRQ */
 847         retval = request_irq(cx->pci_dev->irq, cx18_irq_handler,
 848                              IRQF_SHARED | IRQF_DISABLED,
 849                              cx->v4l2_dev.name, (void *)cx);
 850         if (retval) {
 851                 CX18_ERR("Failed to register irq %d\n", retval);
 852                 goto free_i2c;
 853         }
 854
 855         if (cx->std == 0)
 856                 cx->std = V4L2_STD_NTSC_M;
 857
 858         if (cx->options.tuner == -1) {
 859                 for (i = 0; i < CX18_CARD_MAX_TUNERS; i++) {
 860                         if ((cx->std & cx->card->tuners[i].std) == 0)
 861                                 continue;
 862                         cx->options.tuner = cx->card->tuners[i].tuner;
 863                         break;
 864                 }
 865         }
 866         /* if no tuner was found, then pick the first tuner in the card list */
 867         if (cx->options.tuner == -1 && cx->card->tuners[0].std) {
 868                 cx->std = cx->card->tuners[0].std;
 869                 if (cx->std & V4L2_STD_PAL)
 870                         cx->std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
 871                 else if (cx->std & V4L2_STD_NTSC)
 872                         cx->std = V4L2_STD_NTSC_M;
 873                 else if (cx->std & V4L2_STD_SECAM)
 874                         cx->std = V4L2_STD_SECAM_L;
 875                 cx->options.tuner = cx->card->tuners[0].tuner;
 876         }
 877         if (cx->options.radio == -1)
 878                 cx->options.radio = (cx->card->radio_input.audio_type != 0);
 879
 880         /* The card is now fully identified, continue with card-specific
 881            initialization. */
 882         cx18_init_struct2(cx);
 883
 884         cx18_init_subdevs(cx);
 885
 886         if (cx->std & V4L2_STD_525_60)
 887                 cx->is_60hz = 1;
 888         else
 889                 cx->is_50hz = 1;
 890
 891         cx->params.video_gop_size = cx->is_60hz ? 15 : 12;
 892
 893         if (cx->options.radio > 0)
 894                 cx->v4l2_cap |= V4L2_CAP_RADIO;
 895
 896         if (cx->options.tuner > -1) {
 897                 struct tuner_setup setup;
 898
 899                 setup.addr = ADDR_UNSET;
 900                 setup.type = cx->options.tuner;
 901                 setup.mode_mask = T_ANALOG_TV;  /* matches TV tuners */
 902                 setup.tuner_callback = (setup.type == TUNER_XC2028) ?
 903                         cx18_reset_tuner_gpio : NULL;
 904                 cx18_call_all(cx, tuner, s_type_addr, &setup);
 905                 if (setup.type == TUNER_XC2028) {
 906                         static struct xc2028_ctrl ctrl = {
 907                                 .fname = XC2028_DEFAULT_FIRMWARE,
 908                                 .max_len = 64,
 909                         };
 910                         struct v4l2_priv_tun_config cfg = {
 911                                 .tuner = cx->options.tuner,
 912                                 .priv = &ctrl,
 913                         };
 914                         cx18_call_all(cx, tuner, s_config, &cfg);
 915                 }
 916         }
 917
 918         /* The tuner is fixed to the standard. The other inputs (e.g. S-Video)
 919            are not. */
 920         cx->tuner_std = cx->std;
 921
 922         retval = cx18_streams_setup(cx);
 923         if (retval) {
 924                 CX18_ERR("Error %d setting up streams\n", retval);
 925                 goto free_irq;
 926         }
 927         retval = cx18_streams_register(cx);
 928         if (retval) {
 929                 CX18_ERR("Error %d registering devices\n", retval);
 930                 goto free_streams;
 931         }
 932
 933         CX18_INFO("Initialized card: %s\n", cx->card_name);
 934         return 0;
 935
 936 free_streams:
 937         cx18_streams_cleanup(cx, 1);
 938 free_irq:
 939         free_irq(cx->pci_dev->irq, (void *)cx);
 940 free_i2c:
 941         exit_cx18_i2c(cx);
 942 free_map:
 943         cx18_iounmap(cx);
 944 free_mem:
 945         release_mem_region(cx->base_addr, CX18_MEM_SIZE);
 946 free_workqueue:
 947         destroy_workqueue(cx->work_queue);
 948 err:
 949         if (retval == 0)
 950                 retval = -ENODEV;
 951         CX18_ERR("Error %d on initialization\n", retval);
 952
 953         v4l2_device_unregister(&cx->v4l2_dev);
 954         kfree(cx);
 955         return retval;
 956 }
 957
 958 int cx18_init_on_first_open(struct cx18 *cx)
 959 {
 960         int video_input;
 961         int fw_retry_count = 3;
 962         struct v4l2_frequency vf;
 963         struct cx18_open_id fh;
 964
 965         fh.cx = cx;
 966
 967         if (test_bit(CX18_F_I_FAILED, &cx->i_flags))
 968                 return -ENXIO;
 969
 970         if (test_and_set_bit(CX18_F_I_INITED, &cx->i_flags))
 971                 return 0;
 972
 973         while (--fw_retry_count > 0) {
 974                 /* load firmware */
 975                 if (cx18_firmware_init(cx) == 0)
 976                         break;
 977                 if (fw_retry_count > 1)
 978                         CX18_WARN("Retry loading firmware\n");
 979         }
 980
 981         if (fw_retry_count == 0) {
 982                 set_bit(CX18_F_I_FAILED, &cx->i_flags);
 983                 return -ENXIO;
 984         }
 985         set_bit(CX18_F_I_LOADED_FW, &cx->i_flags);
 986
 987         /*
 988          * Init the firmware twice to work around a silicon bug
 989          * with the digital TS.
 990          *
 991          * The second firmware load requires us to normalize the APU state,
 992          * or the audio for the first analog capture will be badly incorrect.
 993          *
 994          * I can't seem to call APU_RESETAI and have it succeed without the
 995          * APU capturing audio, so we start and stop it here to do the reset
 996          */
 997
 998         /* MPEG Encoding, 224 kbps, MPEG Layer II, 48 ksps */
 999         cx18_vapi(cx, CX18_APU_START, 2, CX18_APU_ENCODING_METHOD_MPEG|0xb9, 0);
1000         cx18_vapi(cx, CX18_APU_RESETAI, 0);
1001         cx18_vapi(cx, CX18_APU_STOP, 1, CX18_APU_ENCODING_METHOD_MPEG);
1002
1003         fw_retry_count = 3;
1004         while (--fw_retry_count > 0) {
1005                 /* load firmware */
1006                 if (cx18_firmware_init(cx) == 0)
1007                         break;
1008                 if (fw_retry_count > 1)
1009                         CX18_WARN("Retry loading firmware\n");
1010         }
1011
1012         if (fw_retry_count == 0) {
1013                 set_bit(CX18_F_I_FAILED, &cx->i_flags);
1014                 return -ENXIO;
1015         }
1016
1017         /*
1018          * The second firmware load requires us to normalize the APU state,
1019          * or the audio for the first analog capture will be badly incorrect.
1020          *
1021          * I can't seem to call APU_RESETAI and have it succeed without the
1022          * APU capturing audio, so we start and stop it here to do the reset
1023          */
1024
1025         /* MPEG Encoding, 224 kbps, MPEG Layer II, 48 ksps */
1026         cx18_vapi(cx, CX18_APU_START, 2, CX18_APU_ENCODING_METHOD_MPEG|0xb9, 0);
1027         cx18_vapi(cx, CX18_APU_RESETAI, 0);
1028         cx18_vapi(cx, CX18_APU_STOP, 1, CX18_APU_ENCODING_METHOD_MPEG);
1029
1030         /* Init the A/V decoder, if it hasn't been already */
1031         v4l2_subdev_call(cx->sd_av, core, load_fw);
1032
1033         vf.tuner = 0;
1034         vf.type = V4L2_TUNER_ANALOG_TV;
1035         vf.frequency = 6400; /* the tuner 'baseline' frequency */
1036
1037         /* Set initial frequency. For PAL/SECAM broadcasts no
1038            'default' channel exists AFAIK. */
1039         if (cx->std == V4L2_STD_NTSC_M_JP)
1040                 vf.frequency = 1460;    /* ch. 1 91250*16/1000 */
1041         else if (cx->std & V4L2_STD_NTSC_M)
1042                 vf.frequency = 1076;    /* ch. 4 67250*16/1000 */
1043
1044         video_input = cx->active_input;
1045         cx->active_input++;     /* Force update of input */
1046         cx18_s_input(NULL, &fh, video_input);
1047
1048         /* Let the VIDIOC_S_STD ioctl do all the work, keeps the code
1049            in one place. */
1050         cx->std++;              /* Force full standard initialization */
1051         cx18_s_std(NULL, &fh, &cx->tuner_std);
1052         cx18_s_frequency(NULL, &fh, &vf);
1053         return 0;
1054 }
1055
1056 static void cx18_cancel_epu_work_orders(struct cx18 *cx)
1057 {
1058         int i;
1059         for (i = 0; i < CX18_MAX_EPU_WORK_ORDERS; i++)
1060                 cancel_work_sync(&cx->epu_work_order[i].work);
1061 }
1062
1063 static void cx18_remove(struct pci_dev *pci_dev)
1064 {
1065         struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1066         struct cx18 *cx = to_cx18(v4l2_dev);
1067         int i;
1068
1069         CX18_DEBUG_INFO("Removing Card\n");
1070
1071         /* Stop all captures */
1072         CX18_DEBUG_INFO("Stopping all streams\n");
1073         if (atomic_read(&cx->tot_capturing) > 0)
1074                 cx18_stop_all_captures(cx);
1075
1076         /* Interrupts */
1077         cx18_sw1_irq_disable(cx, IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU);
1078         cx18_sw2_irq_disable(cx, IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK);
1079
1080         cx18_halt_firmware(cx);
1081
1082         cx18_cancel_epu_work_orders(cx);
1083
1084         destroy_workqueue(cx->work_queue);
1085
1086         cx18_streams_cleanup(cx, 1);
1087
1088         exit_cx18_i2c(cx);
1089
1090         free_irq(cx->pci_dev->irq, (void *)cx);
1091
1092         cx18_iounmap(cx);
1093
1094         release_mem_region(cx->base_addr, CX18_MEM_SIZE);
1095
1096         pci_disable_device(cx->pci_dev);
1097
1098         if (cx->vbi.sliced_mpeg_data[0] != NULL)
1099                 for (i = 0; i < CX18_VBI_FRAMES; i++)
1100                         kfree(cx->vbi.sliced_mpeg_data[i]);
1101
1102         CX18_INFO("Removed %s\n", cx->card_name);
1103
1104         v4l2_device_unregister(v4l2_dev);
1105         kfree(cx);
1106 }
1107
1108 /* define a pci_driver for card detection */
1109 static struct pci_driver cx18_pci_driver = {
1110       .name =     "cx18",
1111       .id_table = cx18_pci_tbl,
1112       .probe =    cx18_probe,
1113       .remove =   cx18_remove,
1114 };
1115
1116 static int module_start(void)
1117 {
1118         printk(KERN_INFO "cx18:  Start initialization, version %s\n", CX18_VERSION);
1119
1120         /* Validate parameters */
1121         if (cx18_first_minor < 0 || cx18_first_minor >= CX18_MAX_CARDS) {
1122                 printk(KERN_ERR "cx18:  Exiting, cx18_first_minor must be between 0 and %d\n",
1123                      CX18_MAX_CARDS - 1);
1124                 return -1;
1125         }
1126
1127         if (cx18_debug < 0 || cx18_debug > 511) {
1128                 cx18_debug = 0;
1129                 printk(KERN_INFO "cx18:   Debug value must be >= 0 and <= 511!\n");
1130         }
1131
1132         if (pci_register_driver(&cx18_pci_driver)) {
1133                 printk(KERN_ERR "cx18:   Error detecting PCI card\n");
1134                 return -ENODEV;
1135         }
1136         printk(KERN_INFO "cx18:  End initialization\n");
1137         return 0;
1138 }
1139
1140 static void module_cleanup(void)
1141 {
1142         pci_unregister_driver(&cx18_pci_driver);
1143 }
1144
1145 module_init(module_start);
1146 module_exit(module_cleanup);