drivers/media/video/saa7134/saa7134-core.c

   1 /*
   2  *
   3  * device driver for philips saa7134 based TV cards
   4  * driver core
   5  *
   6  * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21  */
  22
  23 #include <linux/config.h>
  24 #include <linux/init.h>
  25 #include <linux/list.h>
  26 #include <linux/module.h>
  27 #include <linux/moduleparam.h>
  28 #include <linux/kernel.h>
  29 #include <linux/slab.h>
  30 #include <linux/kmod.h>
  31 #include <linux/sound.h>
  32 #include <linux/interrupt.h>
  33 #include <linux/delay.h>
  34
  35 #include "saa7134-reg.h"
  36 #include "saa7134.h"
  37
  38 MODULE_DESCRIPTION("v4l2 driver module for saa7130/34 based TV cards");
  39 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  40 MODULE_LICENSE("GPL");
  41
  42 /* ------------------------------------------------------------------ */
  43
  44 static unsigned int irq_debug = 0;
  45 module_param(irq_debug, int, 0644);
  46 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  47
  48 static unsigned int core_debug = 0;
  49 module_param(core_debug, int, 0644);
  50 MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
  51
  52 static unsigned int gpio_tracking = 0;
  53 module_param(gpio_tracking, int, 0644);
  54 MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]");
  55
  56 static unsigned int alsa = 0;
  57 module_param(alsa, int, 0644);
  58 MODULE_PARM_DESC(alsa,"enable ALSA DMA sound [dmasound]");
  59
  60 static unsigned int oss = 0;
  61 module_param(oss, int, 0644);
  62 MODULE_PARM_DESC(oss,"enable OSS DMA sound [dmasound]");
  63
  64 static unsigned int latency = UNSET;
  65 module_param(latency, int, 0444);
  66 MODULE_PARM_DESC(latency,"pci latency timer");
  67
  68 static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  69 static unsigned int vbi_nr[]   = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  70 static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  71 static unsigned int tuner[]    = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  72 static unsigned int card[]     = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  73
  74 module_param_array(video_nr, int, NULL, 0444);
  75 module_param_array(vbi_nr,   int, NULL, 0444);
  76 module_param_array(radio_nr, int, NULL, 0444);
  77 module_param_array(tuner,    int, NULL, 0444);
  78 module_param_array(card,     int, NULL, 0444);
  79
  80 MODULE_PARM_DESC(video_nr, "video device number");
  81 MODULE_PARM_DESC(vbi_nr,   "vbi device number");
  82 MODULE_PARM_DESC(radio_nr, "radio device number");
  83 MODULE_PARM_DESC(tuner,    "tuner type");
  84 MODULE_PARM_DESC(card,     "card type");
  85
  86 static DECLARE_MUTEX(devlist_lock);
  87 LIST_HEAD(saa7134_devlist);
  88 static LIST_HEAD(mops_list);
  89 static unsigned int saa7134_devcount;
  90
  91 #define dprintk(fmt, arg...)    if (core_debug) \
  92         printk(KERN_DEBUG "%s/core: " fmt, dev->name , ## arg)
  93
  94 /* ------------------------------------------------------------------ */
  95 /* debug help functions                                               */
  96
  97 static const char *v4l1_ioctls[] = {
  98         "0", "GCAP", "GCHAN", "SCHAN", "GTUNER", "STUNER", "GPICT", "SPICT",
  99         "CCAPTURE", "GWIN", "SWIN", "GFBUF", "SFBUF", "KEY", "GFREQ",
 100         "SFREQ", "GAUDIO", "SAUDIO", "SYNC", "MCAPTURE", "GMBUF", "GUNIT",
 101         "GCAPTURE", "SCAPTURE", "SPLAYMODE", "SWRITEMODE", "GPLAYINFO",
 102         "SMICROCODE", "GVBIFMT", "SVBIFMT" };
 103 #define V4L1_IOCTLS ARRAY_SIZE(v4l1_ioctls)
 104
 105 static const char *v4l2_ioctls[] = {
 106         "QUERYCAP", "1", "ENUM_PIXFMT", "ENUM_FBUFFMT", "G_FMT", "S_FMT",
 107         "G_COMP", "S_COMP", "REQBUFS", "QUERYBUF", "G_FBUF", "S_FBUF",
 108         "G_WIN", "S_WIN", "PREVIEW", "QBUF", "16", "DQBUF", "STREAMON",
 109         "STREAMOFF", "G_PERF", "G_PARM", "S_PARM", "G_STD", "S_STD",
 110         "ENUMSTD", "ENUMINPUT", "G_CTRL", "S_CTRL", "G_TUNER", "S_TUNER",
 111         "G_FREQ", "S_FREQ", "G_AUDIO", "S_AUDIO", "35", "QUERYCTRL",
 112         "QUERYMENU", "G_INPUT", "S_INPUT", "ENUMCVT", "41", "42", "43",
 113         "44", "45",  "G_OUTPUT", "S_OUTPUT", "ENUMOUTPUT", "G_AUDOUT",
 114         "S_AUDOUT", "ENUMFX", "G_EFFECT", "S_EFFECT", "G_MODULATOR",
 115         "S_MODULATOR"
 116 };
 117 #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)
 118
 119 static const char *osspcm_ioctls[] = {
 120         "RESET", "SYNC", "SPEED", "STEREO", "GETBLKSIZE", "SETFMT",
 121         "CHANNELS", "?", "POST", "SUBDIVIDE", "SETFRAGMENT", "GETFMTS",
 122         "GETOSPACE", "GETISPACE", "NONBLOCK", "GETCAPS", "GET/SETTRIGGER",
 123         "GETIPTR", "GETOPTR", "MAPINBUF", "MAPOUTBUF", "SETSYNCRO",
 124         "SETDUPLEX", "GETODELAY"
 125 };
 126 #define OSSPCM_IOCTLS ARRAY_SIZE(v4l2_ioctls)
 127
 128 void saa7134_print_ioctl(char *name, unsigned int cmd)
 129 {
 130         char *dir;
 131
 132         switch (_IOC_DIR(cmd)) {
 133         case _IOC_NONE:              dir = "--"; break;
 134         case _IOC_READ:              dir = "r-"; break;
 135         case _IOC_WRITE:             dir = "-w"; break;
 136         case _IOC_READ | _IOC_WRITE: dir = "rw"; break;
 137         default:                     dir = "??"; break;
 138         }
 139         switch (_IOC_TYPE(cmd)) {
 140         case 'v':
 141                 printk(KERN_DEBUG "%s: ioctl 0x%08x (v4l1, %s, VIDIOC%s)\n",
 142                        name, cmd, dir, (_IOC_NR(cmd) < V4L1_IOCTLS) ?
 143                        v4l1_ioctls[_IOC_NR(cmd)] : "???");
 144                 break;
 145         case 'V':
 146                 printk(KERN_DEBUG "%s: ioctl 0x%08x (v4l2, %s, VIDIOC_%s)\n",
 147                        name, cmd, dir, (_IOC_NR(cmd) < V4L2_IOCTLS) ?
 148                        v4l2_ioctls[_IOC_NR(cmd)] : "???");
 149                 break;
 150         case 'P':
 151                 printk(KERN_DEBUG "%s: ioctl 0x%08x (oss dsp, %s, SNDCTL_DSP_%s)\n",
 152                        name, cmd, dir, (_IOC_NR(cmd) < OSSPCM_IOCTLS) ?
 153                        osspcm_ioctls[_IOC_NR(cmd)] : "???");
 154                 break;
 155         case 'M':
 156                 printk(KERN_DEBUG "%s: ioctl 0x%08x (oss mixer, %s, #%d)\n",
 157                        name, cmd, dir, _IOC_NR(cmd));
 158                 break;
 159         default:
 160                 printk(KERN_DEBUG "%s: ioctl 0x%08x (???, %s, #%d)\n",
 161                        name, cmd, dir, _IOC_NR(cmd));
 162         }
 163 }
 164
 165 void saa7134_track_gpio(struct saa7134_dev *dev, char *msg)
 166 {
 167         unsigned long mode,status;
 168
 169         if (!gpio_tracking)
 170                 return;
 171         /* rising SAA7134_GPIO_GPRESCAN reads the status */
 172         saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0);
 173         saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN);
 174         mode   = saa_readl(SAA7134_GPIO_GPMODE0   >> 2) & 0xfffffff;
 175         status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff;
 176         printk(KERN_DEBUG
 177                "%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n",
 178                dev->name, mode, (~mode) & status, mode & status, msg);
 179 }
 180
 181 /* ------------------------------------------------------------------ */
 182
 183
 184 /* ----------------------------------------------------------- */
 185 /* delayed request_module                                      */
 186
 187 #ifdef CONFIG_MODULES
 188
 189 static int need_empress;
 190 static int need_dvb;
 191 static int need_alsa;
 192 static int need_oss;
 193
 194 static int pending_call(struct notifier_block *self, unsigned long state,
 195                         void *module)
 196 {
 197         if (module != THIS_MODULE || state != MODULE_STATE_LIVE)
 198                 return NOTIFY_DONE;
 199
 200         if (need_empress)
 201                 request_module("saa7134-empress");
 202         if (need_dvb)
 203                 request_module("saa7134-dvb");
 204         if (need_alsa)
 205                 request_module("saa7134-alsa");
 206         if (need_oss)
 207                 request_module("saa7134-oss");
 208         return NOTIFY_DONE;
 209 }
 210
 211 static int pending_registered;
 212 static struct notifier_block pending_notifier = {
 213         .notifier_call = pending_call,
 214 };
 215
 216 static void request_module_depend(char *name, int *flag)
 217 {
 218         int err;
 219         switch (THIS_MODULE->state) {
 220         case MODULE_STATE_COMING:
 221                 if (!pending_registered) {
 222                         err = register_module_notifier(&pending_notifier);
 223                         pending_registered = 1;
 224                 }
 225                 *flag = 1;
 226                 break;
 227         case MODULE_STATE_LIVE:
 228                 request_module(name);
 229                 break;
 230         default:
 231                 /* nothing */;
 232                 break;
 233         }
 234 }
 235
 236 #else
 237
 238 #define request_module_depend(name,flag)
 239
 240 #endif /* CONFIG_MODULES */
 241
 242 /* ------------------------------------------------------------------ */
 243
 244 /* nr of (saa7134-)pages for the given buffer size */
 245 static int saa7134_buffer_pages(int size)
 246 {
 247         size  = PAGE_ALIGN(size);
 248         size += PAGE_SIZE; /* for non-page-aligned buffers */
 249         size /= 4096;
 250         return size;
 251 }
 252
 253 /* calc max # of buffers from size (must not exceed the 4MB virtual
 254  * address space per DMA channel) */
 255 int saa7134_buffer_count(unsigned int size, unsigned int count)
 256 {
 257         unsigned int maxcount;
 258
 259         maxcount = 1024 / saa7134_buffer_pages(size);
 260         if (count > maxcount)
 261                 count = maxcount;
 262         return count;
 263 }
 264
 265 int saa7134_buffer_startpage(struct saa7134_buf *buf)
 266 {
 267         return saa7134_buffer_pages(buf->vb.bsize) * buf->vb.i;
 268 }
 269
 270 unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
 271 {
 272         unsigned long base;
 273
 274         base  = saa7134_buffer_startpage(buf) * 4096;
 275         base += buf->vb.dma.sglist[0].offset;
 276         return base;
 277 }
 278
 279 /* ------------------------------------------------------------------ */
 280
 281 int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt)
 282 {
 283         __le32       *cpu;
 284         dma_addr_t   dma_addr;
 285
 286         cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr);
 287         if (NULL == cpu)
 288                 return -ENOMEM;
 289         pt->size = SAA7134_PGTABLE_SIZE;
 290         pt->cpu  = cpu;
 291         pt->dma  = dma_addr;
 292         return 0;
 293 }
 294
 295 int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
 296                           struct scatterlist *list, unsigned int length,
 297                           unsigned int startpage)
 298 {
 299         __le32        *ptr;
 300         unsigned int  i,p;
 301
 302         BUG_ON(NULL == pt || NULL == pt->cpu);
 303
 304         ptr = pt->cpu + startpage;
 305         for (i = 0; i < length; i++, list++)
 306                 for (p = 0; p * 4096 < list->length; p++, ptr++)
 307                         *ptr = cpu_to_le32(sg_dma_address(list) - list->offset);
 308         return 0;
 309 }
 310
 311 void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt)
 312 {
 313         if (NULL == pt->cpu)
 314                 return;
 315         pci_free_consistent(pci, pt->size, pt->cpu, pt->dma);
 316         pt->cpu = NULL;
 317 }
 318
 319 /* ------------------------------------------------------------------ */
 320
 321 void saa7134_dma_free(struct saa7134_dev *dev,struct saa7134_buf *buf)
 322 {
 323         if (in_interrupt())
 324                 BUG();
 325
 326         videobuf_waiton(&buf->vb,0,0);
 327         videobuf_dma_pci_unmap(dev->pci, &buf->vb.dma);
 328         videobuf_dma_free(&buf->vb.dma);
 329         buf->vb.state = STATE_NEEDS_INIT;
 330 }
 331
 332 /* ------------------------------------------------------------------ */
 333
 334 int saa7134_buffer_queue(struct saa7134_dev *dev,
 335                          struct saa7134_dmaqueue *q,
 336                          struct saa7134_buf *buf)
 337 {
 338         struct saa7134_buf *next = NULL;
 339
 340         assert_spin_locked(&dev->slock);
 341         dprintk("buffer_queue %p\n",buf);
 342         if (NULL == q->curr) {
 343                 if (!q->need_two) {
 344                         q->curr = buf;
 345                         buf->activate(dev,buf,NULL);
 346                 } else if (list_empty(&q->queue)) {
 347                         list_add_tail(&buf->vb.queue,&q->queue);
 348                         buf->vb.state = STATE_QUEUED;
 349                 } else {
 350                         next = list_entry(q->queue.next,struct saa7134_buf,
 351                                           vb.queue);
 352                         q->curr = buf;
 353                         buf->activate(dev,buf,next);
 354                 }
 355         } else {
 356                 list_add_tail(&buf->vb.queue,&q->queue);
 357                 buf->vb.state = STATE_QUEUED;
 358         }
 359         return 0;
 360 }
 361
 362 void saa7134_buffer_finish(struct saa7134_dev *dev,
 363                            struct saa7134_dmaqueue *q,
 364                            unsigned int state)
 365 {
 366         assert_spin_locked(&dev->slock);
 367         dprintk("buffer_finish %p\n",q->curr);
 368
 369         /* finish current buffer */
 370         q->curr->vb.state = state;
 371         do_gettimeofday(&q->curr->vb.ts);
 372         wake_up(&q->curr->vb.done);
 373         q->curr = NULL;
 374 }
 375
 376 void saa7134_buffer_next(struct saa7134_dev *dev,
 377                          struct saa7134_dmaqueue *q)
 378 {
 379         struct saa7134_buf *buf,*next = NULL;
 380
 381         assert_spin_locked(&dev->slock);
 382         BUG_ON(NULL != q->curr);
 383
 384         if (!list_empty(&q->queue)) {
 385                 /* activate next one from queue */
 386                 buf = list_entry(q->queue.next,struct saa7134_buf,vb.queue);
 387                 dprintk("buffer_next %p [prev=%p/next=%p]\n",
 388                         buf,q->queue.prev,q->queue.next);
 389                 list_del(&buf->vb.queue);
 390                 if (!list_empty(&q->queue))
 391                         next = list_entry(q->queue.next,struct saa7134_buf,
 392                                           vb.queue);
 393                 q->curr = buf;
 394                 buf->activate(dev,buf,next);
 395                 dprintk("buffer_next #2 prev=%p/next=%p\n",
 396                         q->queue.prev,q->queue.next);
 397         } else {
 398                 /* nothing to do -- just stop DMA */
 399                 dprintk("buffer_next %p\n",NULL);
 400                 saa7134_set_dmabits(dev);
 401                 del_timer(&q->timeout);
 402         }
 403 }
 404
 405 void saa7134_buffer_timeout(unsigned long data)
 406 {
 407         struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue*)data;
 408         struct saa7134_dev *dev = q->dev;
 409         unsigned long flags;
 410
 411         spin_lock_irqsave(&dev->slock,flags);
 412
 413         /* try to reset the hardware (SWRST) */
 414         saa_writeb(SAA7134_REGION_ENABLE, 0x00);
 415         saa_writeb(SAA7134_REGION_ENABLE, 0x80);
 416         saa_writeb(SAA7134_REGION_ENABLE, 0x00);
 417
 418         /* flag current buffer as failed,
 419            try to start over with the next one. */
 420         if (q->curr) {
 421                 dprintk("timeout on %p\n",q->curr);
 422                 saa7134_buffer_finish(dev,q,STATE_ERROR);
 423         }
 424         saa7134_buffer_next(dev,q);
 425         spin_unlock_irqrestore(&dev->slock,flags);
 426 }
 427
 428 /* ------------------------------------------------------------------ */
 429
 430 int saa7134_set_dmabits(struct saa7134_dev *dev)
 431 {
 432         u32 split, task=0, ctrl=0, irq=0;
 433         enum v4l2_field cap = V4L2_FIELD_ANY;
 434         enum v4l2_field ov  = V4L2_FIELD_ANY;
 435
 436         assert_spin_locked(&dev->slock);
 437
 438         /* video capture -- dma 0 + video task A */
 439         if (dev->video_q.curr) {
 440                 task |= 0x01;
 441                 ctrl |= SAA7134_MAIN_CTRL_TE0;
 442                 irq  |= SAA7134_IRQ1_INTE_RA0_1 |
 443                         SAA7134_IRQ1_INTE_RA0_0;
 444                 cap = dev->video_q.curr->vb.field;
 445         }
 446
 447         /* video capture -- dma 1+2 (planar modes) */
 448         if (dev->video_q.curr &&
 449             dev->video_q.curr->fmt->planar) {
 450                 ctrl |= SAA7134_MAIN_CTRL_TE4 |
 451                         SAA7134_MAIN_CTRL_TE5;
 452         }
 453
 454         /* screen overlay -- dma 0 + video task B */
 455         if (dev->ovenable) {
 456                 task |= 0x10;
 457                 ctrl |= SAA7134_MAIN_CTRL_TE1;
 458                 ov = dev->ovfield;
 459         }
 460
 461         /* vbi capture -- dma 0 + vbi task A+B */
 462         if (dev->vbi_q.curr) {
 463                 task |= 0x22;
 464                 ctrl |= SAA7134_MAIN_CTRL_TE2 |
 465                         SAA7134_MAIN_CTRL_TE3;
 466                 irq  |= SAA7134_IRQ1_INTE_RA0_7 |
 467                         SAA7134_IRQ1_INTE_RA0_6 |
 468                         SAA7134_IRQ1_INTE_RA0_5 |
 469                         SAA7134_IRQ1_INTE_RA0_4;
 470         }
 471
 472         /* audio capture -- dma 3 */
 473         if (dev->dmasound.dma_running) {
 474                 ctrl |= SAA7134_MAIN_CTRL_TE6;
 475                 irq  |= SAA7134_IRQ1_INTE_RA3_1 |
 476                         SAA7134_IRQ1_INTE_RA3_0;
 477         }
 478
 479         /* TS capture -- dma 5 */
 480         if (dev->ts_q.curr) {
 481                 ctrl |= SAA7134_MAIN_CTRL_TE5;
 482                 irq  |= SAA7134_IRQ1_INTE_RA2_3 |
 483                         SAA7134_IRQ1_INTE_RA2_2 |
 484                         SAA7134_IRQ1_INTE_RA2_1 |
 485                         SAA7134_IRQ1_INTE_RA2_0;
 486         }
 487
 488         /* set task conditions + field handling */
 489         if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
 490                 /* default config -- use full frames */
 491                 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
 492                 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
 493                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A),  0x02);
 494                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B),  0x02);
 495                 split = 0;
 496         } else {
 497                 /* split fields between tasks */
 498                 if (V4L2_FIELD_TOP == cap) {
 499                         /* odd A, even B, repeat */
 500                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
 501                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
 502                 } else {
 503                         /* odd B, even A, repeat */
 504                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
 505                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
 506                 }
 507                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A),  0x01);
 508                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B),  0x01);
 509                 split = 1;
 510         }
 511
 512         /* irqs */
 513         saa_writeb(SAA7134_REGION_ENABLE, task);
 514         saa_writel(SAA7134_IRQ1,          irq);
 515         saa_andorl(SAA7134_MAIN_CTRL,
 516                    SAA7134_MAIN_CTRL_TE0 |
 517                    SAA7134_MAIN_CTRL_TE1 |
 518                    SAA7134_MAIN_CTRL_TE2 |
 519                    SAA7134_MAIN_CTRL_TE3 |
 520                    SAA7134_MAIN_CTRL_TE4 |
 521                    SAA7134_MAIN_CTRL_TE5 |
 522                    SAA7134_MAIN_CTRL_TE6,
 523                    ctrl);
 524         dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
 525                 task, ctrl, irq, split ? "no" : "yes");
 526
 527         return 0;
 528 }
 529
 530 /* ------------------------------------------------------------------ */
 531 /* IRQ handler + helpers                                              */
 532
 533 static char *irqbits[] = {
 534         "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
 535         "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
 536         "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
 537         "GPIO16?", "GPIO18", "GPIO22", "GPIO23"
 538 };
 539 #define IRQBITS ARRAY_SIZE(irqbits)
 540
 541 static void print_irqstatus(struct saa7134_dev *dev, int loop,
 542                             unsigned long report, unsigned long status)
 543 {
 544         unsigned int i;
 545
 546         printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx",
 547                dev->name,loop,jiffies,report,status);
 548         for (i = 0; i < IRQBITS; i++) {
 549                 if (!(report & (1 << i)))
 550                         continue;
 551                 printk(" %s",irqbits[i]);
 552         }
 553         if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
 554                 printk(" | RA0=%s,%s,%s,%ld",
 555                        (status & 0x40) ? "vbi"  : "video",
 556                        (status & 0x20) ? "b"    : "a",
 557                        (status & 0x10) ? "odd"  : "even",
 558                        (status & 0x0f));
 559         }
 560         printk("\n");
 561 }
 562
 563 static irqreturn_t saa7134_irq(int irq, void *dev_id, struct pt_regs *regs)
 564 {
 565         struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
 566         unsigned long report,status;
 567         int loop, handled = 0;
 568
 569         for (loop = 0; loop < 10; loop++) {
 570                 report = saa_readl(SAA7134_IRQ_REPORT);
 571                 status = saa_readl(SAA7134_IRQ_STATUS);
 572                 if (0 == report) {
 573                         if (irq_debug > 1)
 574                                 printk(KERN_DEBUG "%s/irq: no (more) work\n",
 575                                        dev->name);
 576                         goto out;
 577                 }
 578
 579                 /* If dmasound support is active and we get a sound report, exit
 580                    and let the saa7134-alsa/oss module deal with it */
 581
 582                 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) &&
 583                         (dev->dmasound.priv_data != NULL) )
 584                 {
 585                         if (irq_debug > 1)
 586                                 printk(KERN_DEBUG "%s/irq: ignoring interrupt for DMA sound\n",
 587                                        dev->name);
 588                         goto out;
 589                 }
 590
 591                 handled = 1;
 592                 saa_writel(SAA7134_IRQ_REPORT,report);
 593                 if (irq_debug)
 594                         print_irqstatus(dev,loop,report,status);
 595
 596
 597                 if (report & SAA7134_IRQ_REPORT_RDCAP /* _INTL */)
 598                         saa7134_irq_video_intl(dev);
 599
 600                 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
 601                     (status & 0x60) == 0)
 602                         saa7134_irq_video_done(dev,status);
 603
 604                 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
 605                     (status & 0x40) == 0x40)
 606                         saa7134_irq_vbi_done(dev,status);
 607
 608                 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
 609                     card_has_mpeg(dev))
 610                         saa7134_irq_ts_done(dev,status);
 611
 612                 if ((report & (SAA7134_IRQ_REPORT_GPIO16 |
 613                                SAA7134_IRQ_REPORT_GPIO18)) &&
 614                     dev->remote)
 615                         saa7134_input_irq(dev);
 616
 617         }
 618
 619         if (10 == loop) {
 620                 print_irqstatus(dev,loop,report,status);
 621                 if (report & SAA7134_IRQ_REPORT_PE) {
 622                         /* disable all parity error */
 623                         printk(KERN_WARNING "%s/irq: looping -- "
 624                                "clearing PE (parity error!) enable bit\n",dev->name);
 625                         saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
 626                 } else if (report & (SAA7134_IRQ_REPORT_GPIO16 |
 627                                      SAA7134_IRQ_REPORT_GPIO18)) {
 628                         /* disable gpio IRQs */
 629                         printk(KERN_WARNING "%s/irq: looping -- "
 630                                "clearing GPIO enable bits\n",dev->name);
 631                         saa_clearl(SAA7134_IRQ2, (SAA7134_IRQ2_INTE_GPIO16 |
 632                                                   SAA7134_IRQ2_INTE_GPIO18));
 633                 } else {
 634                         /* disable all irqs */
 635                         printk(KERN_WARNING "%s/irq: looping -- "
 636                                "clearing all enable bits\n",dev->name);
 637                         saa_writel(SAA7134_IRQ1,0);
 638                         saa_writel(SAA7134_IRQ2,0);
 639                 }
 640         }
 641
 642  out:
 643         return IRQ_RETVAL(handled);
 644 }
 645
 646 /* ------------------------------------------------------------------ */
 647
 648 /* early init (no i2c, no irq) */
 649 static int saa7134_hwinit1(struct saa7134_dev *dev)
 650 {
 651         dprintk("hwinit1\n");
 652
 653         saa_writel(SAA7134_IRQ1, 0);
 654         saa_writel(SAA7134_IRQ2, 0);
 655         init_MUTEX(&dev->lock);
 656         spin_lock_init(&dev->slock);
 657
 658         saa7134_track_gpio(dev,"pre-init");
 659         saa7134_video_init1(dev);
 660         saa7134_vbi_init1(dev);
 661         if (card_has_mpeg(dev))
 662                 saa7134_ts_init1(dev);
 663         saa7134_input_init1(dev);
 664
 665         /* RAM FIFO config */
 666         saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
 667         saa_writel(SAA7134_THRESHOULD,0x02020202);
 668
 669         /* enable audio + video processing */
 670         saa_writel(SAA7134_MAIN_CTRL,
 671                    SAA7134_MAIN_CTRL_VPLLE |
 672                    SAA7134_MAIN_CTRL_APLLE |
 673                    SAA7134_MAIN_CTRL_EXOSC |
 674                    SAA7134_MAIN_CTRL_EVFE1 |
 675                    SAA7134_MAIN_CTRL_EVFE2 |
 676                    SAA7134_MAIN_CTRL_ESFE  |
 677                    SAA7134_MAIN_CTRL_EBDAC);
 678
 679         /*
 680          * Initialize OSS _after_ enabling audio clock PLL and audio processing.
 681          * OSS initialization writes to registers via the audio DSP; these
 682          * writes will fail unless the audio clock has been started.  At worst,
 683          * audio will not work.
 684          */
 685
 686         /* enable peripheral devices */
 687         saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
 688
 689         /* set vertical line numbering start (vbi needs this) */
 690         saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
 691
 692         return 0;
 693 }
 694
 695 /* late init (with i2c + irq) */
 696 static int saa7134_hwinit2(struct saa7134_dev *dev)
 697 {
 698         unsigned int irq2_mask;
 699         dprintk("hwinit2\n");
 700
 701         saa7134_video_init2(dev);
 702         saa7134_tvaudio_init2(dev);
 703
 704         /* enable IRQ's */
 705         irq2_mask =
 706                 SAA7134_IRQ2_INTE_DEC3    |
 707                 SAA7134_IRQ2_INTE_DEC2    |
 708                 SAA7134_IRQ2_INTE_DEC1    |
 709                 SAA7134_IRQ2_INTE_DEC0    |
 710                 SAA7134_IRQ2_INTE_PE      |
 711                 SAA7134_IRQ2_INTE_AR;
 712
 713         if (dev->has_remote == SAA7134_REMOTE_GPIO)
 714                 irq2_mask |= (SAA7134_IRQ2_INTE_GPIO18  |
 715                               SAA7134_IRQ2_INTE_GPIO18A |
 716                               SAA7134_IRQ2_INTE_GPIO16  );
 717
 718         saa_writel(SAA7134_IRQ1, 0);
 719         saa_writel(SAA7134_IRQ2, irq2_mask);
 720
 721         return 0;
 722 }
 723
 724 /* shutdown */
 725 static int saa7134_hwfini(struct saa7134_dev *dev)
 726 {
 727         dprintk("hwfini\n");
 728
 729         if (card_has_mpeg(dev))
 730                 saa7134_ts_fini(dev);
 731         saa7134_input_fini(dev);
 732         saa7134_vbi_fini(dev);
 733         saa7134_video_fini(dev);
 734         saa7134_tvaudio_fini(dev);
 735         return 0;
 736 }
 737
 738 static void __devinit must_configure_manually(void)
 739 {
 740         unsigned int i,p;
 741
 742         printk(KERN_WARNING
 743                "saa7134: <rant>\n"
 744                "saa7134:  Congratulations!  Your TV card vendor saved a few\n"
 745                "saa7134:  cents for a eeprom, thus your pci board has no\n"
 746                "saa7134:  subsystem ID and I can't identify it automatically\n"
 747                "saa7134: </rant>\n"
 748                "saa7134: I feel better now.  Ok, here are the good news:\n"
 749                "saa7134: You can use the card=<nr> insmod option to specify\n"
 750                "saa7134: which board do you have.  The list:\n");
 751         for (i = 0; i < saa7134_bcount; i++) {
 752                 printk(KERN_WARNING "saa7134:   card=%d -> %-40.40s",
 753                        i,saa7134_boards[i].name);
 754                 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
 755                         if (saa7134_pci_tbl[p].driver_data != i)
 756                                 continue;
 757                         printk(" %04x:%04x",
 758                                saa7134_pci_tbl[p].subvendor,
 759                                saa7134_pci_tbl[p].subdevice);
 760                 }
 761                 printk("\n");
 762         }
 763 }
 764
 765 static struct video_device *vdev_init(struct saa7134_dev *dev,
 766                                       struct video_device *template,
 767                                       char *type)
 768 {
 769         struct video_device *vfd;
 770
 771         vfd = video_device_alloc();
 772         if (NULL == vfd)
 773                 return NULL;
 774         *vfd = *template;
 775         vfd->minor   = -1;
 776         vfd->dev     = &dev->pci->dev;
 777         vfd->release = video_device_release;
 778         snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
 779                  dev->name, type, saa7134_boards[dev->board].name);
 780         return vfd;
 781 }
 782
 783 static void saa7134_unregister_video(struct saa7134_dev *dev)
 784 {
 785         if (dev->video_dev) {
 786                 if (-1 != dev->video_dev->minor)
 787                         video_unregister_device(dev->video_dev);
 788                 else
 789                         video_device_release(dev->video_dev);
 790                 dev->video_dev = NULL;
 791         }
 792         if (dev->vbi_dev) {
 793                 if (-1 != dev->vbi_dev->minor)
 794                         video_unregister_device(dev->vbi_dev);
 795                 else
 796                         video_device_release(dev->vbi_dev);
 797                 dev->vbi_dev = NULL;
 798         }
 799         if (dev->radio_dev) {
 800                 if (-1 != dev->radio_dev->minor)
 801                         video_unregister_device(dev->radio_dev);
 802                 else
 803                         video_device_release(dev->radio_dev);
 804                 dev->radio_dev = NULL;
 805         }
 806 }
 807
 808 static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
 809                             struct saa7134_dev *dev)
 810 {
 811         int err;
 812
 813         if (NULL != dev->mops)
 814                 return;
 815         if (saa7134_boards[dev->board].mpeg != ops->type)
 816                 return;
 817         err = ops->init(dev);
 818         if (0 != err)
 819                 return;
 820         dev->mops = ops;
 821 }
 822
 823 static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
 824                             struct saa7134_dev *dev)
 825 {
 826         if (NULL == dev->mops)
 827                 return;
 828         if (dev->mops != ops)
 829                 return;
 830         dev->mops->fini(dev);
 831         dev->mops = NULL;
 832 }
 833
 834 static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
 835                                      const struct pci_device_id *pci_id)
 836 {
 837         struct saa7134_dev *dev;
 838         struct list_head *item;
 839         struct saa7134_mpeg_ops *mops;
 840         int err;
 841
 842         dev = kmalloc(sizeof(*dev),GFP_KERNEL);
 843         if (NULL == dev)
 844                 return -ENOMEM;
 845         memset(dev,0,sizeof(*dev));
 846
 847         /* pci init */
 848         dev->pci = pci_dev;
 849         if (pci_enable_device(pci_dev)) {
 850                 err = -EIO;
 851                 goto fail1;
 852         }
 853
 854         dev->nr = saa7134_devcount;
 855         sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr);
 856
 857         /* pci quirks */
 858         if (pci_pci_problems) {
 859                 if (pci_pci_problems & PCIPCI_TRITON)
 860                         printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name);
 861                 if (pci_pci_problems & PCIPCI_NATOMA)
 862                         printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name);
 863                 if (pci_pci_problems & PCIPCI_VIAETBF)
 864                         printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name);
 865                 if (pci_pci_problems & PCIPCI_VSFX)
 866                         printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name);
 867 #ifdef PCIPCI_ALIMAGIK
 868                 if (pci_pci_problems & PCIPCI_ALIMAGIK) {
 869                         printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
 870                                dev->name);
 871                         latency = 0x0A;
 872                 }
 873 #endif
 874         }
 875         if (UNSET != latency) {
 876                 printk(KERN_INFO "%s: setting pci latency timer to %d\n",
 877                        dev->name,latency);
 878                 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
 879         }
 880
 881         /* print pci info */
 882         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
 883         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
 884         printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, "
 885                "latency: %d, mmio: 0x%lx\n", dev->name,
 886                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
 887                dev->pci_lat,pci_resource_start(pci_dev,0));
 888         pci_set_master(pci_dev);
 889         if (!pci_dma_supported(pci_dev,0xffffffff)) {
 890                 printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name);
 891                 err = -EIO;
 892                 goto fail1;
 893         }
 894
 895         /* board config */
 896         dev->board = pci_id->driver_data;
 897         if (card[dev->nr] >= 0 &&
 898             card[dev->nr] < saa7134_bcount)
 899                 dev->board = card[dev->nr];
 900         if (SAA7134_BOARD_NOAUTO == dev->board) {
 901                 must_configure_manually();
 902                 dev->board = SAA7134_BOARD_UNKNOWN;
 903         }
 904         dev->tuner_type   = saa7134_boards[dev->board].tuner_type;
 905         dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
 906         if (UNSET != tuner[dev->nr])
 907                 dev->tuner_type = tuner[dev->nr];
 908         printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
 909                dev->name,pci_dev->subsystem_vendor,
 910                pci_dev->subsystem_device,saa7134_boards[dev->board].name,
 911                dev->board, card[dev->nr] == dev->board ?
 912                "insmod option" : "autodetected");
 913
 914         /* get mmio */
 915         if (!request_mem_region(pci_resource_start(pci_dev,0),
 916                                 pci_resource_len(pci_dev,0),
 917                                 dev->name)) {
 918                 err = -EBUSY;
 919                 printk(KERN_ERR "%s: can't get MMIO memory @ 0x%lx\n",
 920                        dev->name,pci_resource_start(pci_dev,0));
 921                 goto fail1;
 922         }
 923         dev->lmmio = ioremap(pci_resource_start(pci_dev,0), 0x1000);
 924         dev->bmmio = (__u8 __iomem *)dev->lmmio;
 925         if (NULL == dev->lmmio) {
 926                 err = -EIO;
 927                 printk(KERN_ERR "%s: can't ioremap() MMIO memory\n",
 928                        dev->name);
 929                 goto fail2;
 930         }
 931
 932         /* initialize hardware #1 */
 933         saa7134_board_init1(dev);
 934         saa7134_hwinit1(dev);
 935
 936         /* get irq */
 937         err = request_irq(pci_dev->irq, saa7134_irq,
 938                           SA_SHIRQ | SA_INTERRUPT, dev->name, dev);
 939         if (err < 0) {
 940                 printk(KERN_ERR "%s: can't get IRQ %d\n",
 941                        dev->name,pci_dev->irq);
 942                 goto fail3;
 943         }
 944
 945         /* wait a bit, register i2c bus */
 946         msleep(100);
 947         saa7134_i2c_register(dev);
 948
 949         /* initialize hardware #2 */
 950         saa7134_board_init2(dev);
 951         saa7134_hwinit2(dev);
 952
 953         /* load i2c helpers */
 954         if (TUNER_ABSENT != dev->tuner_type)
 955                 request_module("tuner");
 956         if (dev->tda9887_conf)
 957                 request_module("tda9887");
 958         if (card_is_empress(dev)) {
 959                 request_module("saa6752hs");
 960                 request_module_depend("saa7134-empress",&need_empress);
 961         }
 962
 963         if (card_is_dvb(dev))
 964                 request_module_depend("saa7134-dvb",&need_dvb);
 965
 966
 967         if (alsa)
 968                 request_module_depend("saa7134-alsa",&need_alsa);
 969
 970         if (oss)
 971                 request_module_depend("saa7134-oss",&need_oss);
 972
 973         v4l2_prio_init(&dev->prio);
 974
 975         /* register v4l devices */
 976         dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
 977         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
 978                                     video_nr[dev->nr]);
 979         if (err < 0) {
 980                 printk(KERN_INFO "%s: can't register video device\n",
 981                        dev->name);
 982                 goto fail4;
 983         }
 984         printk(KERN_INFO "%s: registered device video%d [v4l2]\n",
 985                dev->name,dev->video_dev->minor & 0x1f);
 986
 987         dev->vbi_dev = vdev_init(dev,&saa7134_vbi_template,"vbi");
 988         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
 989                                     vbi_nr[dev->nr]);
 990         if (err < 0)
 991                 goto fail4;
 992         printk(KERN_INFO "%s: registered device vbi%d\n",
 993                dev->name,dev->vbi_dev->minor & 0x1f);
 994
 995         if (card_has_radio(dev)) {
 996                 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
 997                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
 998                                             radio_nr[dev->nr]);
 999                 if (err < 0)
1000                         goto fail4;
1001                 printk(KERN_INFO "%s: registered device radio%d\n",
1002                        dev->name,dev->radio_dev->minor & 0x1f);
1003         }
1004
1005         /* everything worked */
1006         pci_set_drvdata(pci_dev,dev);
1007         saa7134_devcount++;
1008
1009         down(&devlist_lock);
1010         list_for_each(item,&mops_list) {
1011                 mops = list_entry(item, struct saa7134_mpeg_ops, next);
1012                 mpeg_ops_attach(mops, dev);
1013         }
1014         list_add_tail(&dev->devlist,&saa7134_devlist);
1015         up(&devlist_lock);
1016
1017         /* check for signal */
1018         saa7134_irq_video_intl(dev);
1019
1020         return 0;
1021
1022  fail4:
1023         saa7134_unregister_video(dev);
1024         saa7134_i2c_unregister(dev);
1025         free_irq(pci_dev->irq, dev);
1026  fail3:
1027         saa7134_hwfini(dev);
1028         iounmap(dev->lmmio);
1029  fail2:
1030         release_mem_region(pci_resource_start(pci_dev,0),
1031                            pci_resource_len(pci_dev,0));
1032  fail1:
1033         kfree(dev);
1034         return err;
1035 }
1036
1037 static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
1038 {
1039         struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
1040         struct list_head *item;
1041         struct saa7134_mpeg_ops *mops;
1042
1043         /* debugging ... */
1044         if (irq_debug) {
1045                 u32 report = saa_readl(SAA7134_IRQ_REPORT);
1046                 u32 status = saa_readl(SAA7134_IRQ_STATUS);
1047                 print_irqstatus(dev,42,report,status);
1048         }
1049
1050         /* disable peripheral devices */
1051         saa_writeb(SAA7134_SPECIAL_MODE,0);
1052
1053         /* shutdown hardware */
1054         saa_writel(SAA7134_IRQ1,0);
1055         saa_writel(SAA7134_IRQ2,0);
1056         saa_writel(SAA7134_MAIN_CTRL,0);
1057
1058         /* shutdown subsystems */
1059         saa7134_hwfini(dev);
1060
1061         /* unregister */
1062         down(&devlist_lock);
1063         list_del(&dev->devlist);
1064         list_for_each(item,&mops_list) {
1065                 mops = list_entry(item, struct saa7134_mpeg_ops, next);
1066                 mpeg_ops_detach(mops, dev);
1067         }
1068         up(&devlist_lock);
1069         saa7134_devcount--;
1070
1071         saa7134_i2c_unregister(dev);
1072         saa7134_unregister_video(dev);
1073
1074         /* the DMA sound modules should be unloaded before reaching
1075            this, but just in case they are still present... */
1076         if (dev->dmasound.priv_data != NULL) {
1077                 free_irq(pci_dev->irq, &dev->dmasound);
1078                 dev->dmasound.priv_data = NULL;
1079         }
1080
1081         /* release resources */
1082         free_irq(pci_dev->irq, dev);
1083         iounmap(dev->lmmio);
1084         release_mem_region(pci_resource_start(pci_dev,0),
1085                            pci_resource_len(pci_dev,0));
1086
1087         pci_set_drvdata(pci_dev, NULL);
1088
1089         /* free memory */
1090         kfree(dev);
1091 }
1092
1093 /* ----------------------------------------------------------- */
1094
1095 int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1096 {
1097         struct list_head *item;
1098         struct saa7134_dev *dev;
1099
1100         down(&devlist_lock);
1101         list_for_each(item,&saa7134_devlist) {
1102                 dev = list_entry(item, struct saa7134_dev, devlist);
1103                 mpeg_ops_attach(ops, dev);
1104         }
1105         list_add_tail(&ops->next,&mops_list);
1106         up(&devlist_lock);
1107         return 0;
1108 }
1109
1110 void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1111 {
1112         struct list_head *item;
1113         struct saa7134_dev *dev;
1114
1115         down(&devlist_lock);
1116         list_del(&ops->next);
1117         list_for_each(item,&saa7134_devlist) {
1118                 dev = list_entry(item, struct saa7134_dev, devlist);
1119                 mpeg_ops_detach(ops, dev);
1120         }
1121         up(&devlist_lock);
1122 }
1123
1124 EXPORT_SYMBOL(saa7134_ts_register);
1125 EXPORT_SYMBOL(saa7134_ts_unregister);
1126
1127 /* ----------------------------------------------------------- */
1128
1129 static struct pci_driver saa7134_pci_driver = {
1130         .name     = "saa7134",
1131         .id_table = saa7134_pci_tbl,
1132         .probe    = saa7134_initdev,
1133         .remove   = __devexit_p(saa7134_finidev),
1134 };
1135
1136 static int saa7134_init(void)
1137 {
1138         INIT_LIST_HEAD(&saa7134_devlist);
1139         printk(KERN_INFO "saa7130/34: v4l2 driver version %d.%d.%d loaded\n",
1140                (SAA7134_VERSION_CODE >> 16) & 0xff,
1141                (SAA7134_VERSION_CODE >>  8) & 0xff,
1142                SAA7134_VERSION_CODE & 0xff);
1143 #ifdef SNAPSHOT
1144         printk(KERN_INFO "saa7130/34: snapshot date %04d-%02d-%02d\n",
1145                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1146 #endif
1147         return pci_module_init(&saa7134_pci_driver);
1148 }
1149
1150 static void saa7134_fini(void)
1151 {
1152 #ifdef CONFIG_MODULES
1153         if (pending_registered)
1154                 unregister_module_notifier(&pending_notifier);
1155 #endif
1156         pci_unregister_driver(&saa7134_pci_driver);
1157 }
1158
1159 module_init(saa7134_init);
1160 module_exit(saa7134_fini);
1161
1162 /* ----------------------------------------------------------- */
1163
1164 EXPORT_SYMBOL(saa7134_print_ioctl);
1165 EXPORT_SYMBOL(saa7134_i2c_call_clients);
1166 EXPORT_SYMBOL(saa7134_devlist);
1167 EXPORT_SYMBOL(saa7134_boards);
1168
1169 /* ----------------- for the DMA sound modules --------------- */
1170
1171 EXPORT_SYMBOL(saa7134_pgtable_free);
1172 EXPORT_SYMBOL(saa7134_pgtable_build);
1173 EXPORT_SYMBOL(saa7134_pgtable_alloc);
1174 EXPORT_SYMBOL(saa7134_set_dmabits);
1175
1176 /* ----------------------------------------------------------- */
1177 /*
1178  * Local variables:
1179  * c-basic-offset: 8
1180  * End:
1181  */