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/init.h>
  24 #include <linux/list.h>
  25 #include <linux/module.h>
  26 #include <linux/moduleparam.h>
  27 #include <linux/kernel.h>
  28 #include <linux/slab.h>
  29 #include <linux/kmod.h>
  30 #include <linux/sound.h>
  31 #include <linux/interrupt.h>
  32 #include <linux/delay.h>
  33 #include <linux/mutex.h>
  34 #include <linux/dma-mapping.h>
  35
  36 #include "saa7134-reg.h"
  37 #include "saa7134.h"
  38
  39 MODULE_DESCRIPTION("v4l2 driver module for saa7130/34 based TV cards");
  40 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  41 MODULE_LICENSE("GPL");
  42
  43 /* ------------------------------------------------------------------ */
  44
  45 static unsigned int irq_debug = 0;
  46 module_param(irq_debug, int, 0644);
  47 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  48
  49 static unsigned int core_debug = 0;
  50 module_param(core_debug, int, 0644);
  51 MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
  52
  53 static unsigned int gpio_tracking = 0;
  54 module_param(gpio_tracking, int, 0644);
  55 MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]");
  56
  57 static unsigned int alsa = 0;
  58 module_param(alsa, int, 0644);
  59 MODULE_PARM_DESC(alsa,"enable ALSA DMA sound [dmasound]");
  60
  61 static unsigned int oss = 0;
  62 module_param(oss, int, 0644);
  63 MODULE_PARM_DESC(oss,"enable OSS DMA sound [dmasound]");
  64
  65 static unsigned int latency = UNSET;
  66 module_param(latency, int, 0444);
  67 MODULE_PARM_DESC(latency,"pci latency timer");
  68
  69 int saa7134_no_overlay=-1;
  70 module_param_named(no_overlay, saa7134_no_overlay, int, 0444);
  71 MODULE_PARM_DESC(no_overlay,"allow override overlay default (0 disables, 1 enables)"
  72                 " [some VIA/SIS chipsets are known to have problem with overlay]");
  73
  74 static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  75 static unsigned int vbi_nr[]   = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  76 static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  77 static unsigned int tuner[]    = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  78 static unsigned int card[]     = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  79
  80
  81 module_param_array(video_nr, int, NULL, 0444);
  82 module_param_array(vbi_nr,   int, NULL, 0444);
  83 module_param_array(radio_nr, int, NULL, 0444);
  84 module_param_array(tuner,    int, NULL, 0444);
  85 module_param_array(card,     int, NULL, 0444);
  86
  87 MODULE_PARM_DESC(video_nr, "video device number");
  88 MODULE_PARM_DESC(vbi_nr,   "vbi device number");
  89 MODULE_PARM_DESC(radio_nr, "radio device number");
  90 MODULE_PARM_DESC(tuner,    "tuner type");
  91 MODULE_PARM_DESC(card,     "card type");
  92
  93 static DEFINE_MUTEX(devlist_lock);
  94 LIST_HEAD(saa7134_devlist);
  95 static LIST_HEAD(mops_list);
  96 static unsigned int saa7134_devcount;
  97
  98 int (*saa7134_dmasound_init)(struct saa7134_dev *dev);
  99 int (*saa7134_dmasound_exit)(struct saa7134_dev *dev);
 100
 101 #define dprintk(fmt, arg...)    if (core_debug) \
 102         printk(KERN_DEBUG "%s/core: " fmt, dev->name , ## arg)
 103
 104 void saa7134_track_gpio(struct saa7134_dev *dev, char *msg)
 105 {
 106         unsigned long mode,status;
 107
 108         if (!gpio_tracking)
 109                 return;
 110         /* rising SAA7134_GPIO_GPRESCAN reads the status */
 111         saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0);
 112         saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN);
 113         mode   = saa_readl(SAA7134_GPIO_GPMODE0   >> 2) & 0xfffffff;
 114         status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff;
 115         printk(KERN_DEBUG
 116                "%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n",
 117                dev->name, mode, (~mode) & status, mode & status, msg);
 118 }
 119
 120 void saa7134_set_gpio(struct saa7134_dev *dev, int bit_no, int value)
 121 {
 122         u32 index, bitval;
 123         u8 sync_control;
 124
 125         index = 1 << bit_no;
 126         switch (value) {
 127         case 0: /* static value */
 128         case 1: dprintk("setting GPIO%d to static %d\n", bit_no, value);
 129                 /* turn sync mode off if necessary */
 130                 if (index & 0x00c00000)
 131                         saa_andorb(SAA7134_VIDEO_PORT_CTRL6, 0x0f, 0x00);
 132                 if (value)
 133                         bitval = index;
 134                 else
 135                         bitval = 0;
 136                 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, index);
 137                 saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, index, bitval);
 138                 break;
 139         case 3: /* tristate */
 140                 dprintk("setting GPIO%d to tristate\n", bit_no);
 141                 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, 0);
 142                 break;
 143         case 4: /* sync output on GPIO 22 for tda8275a, 50Hz*/
 144         case 5: /* sync output on GPIO 22 for tda8275a, 60Hz*/
 145                 if (bit_no == 22) {
 146                         dprintk("setting GPIO22 to vsync %d\n", value - 4);
 147                         saa_andorb(SAA7134_VIDEO_PORT_CTRL3, 0x80, 0x80);
 148                         saa_andorb(SAA7134_VIDEO_PORT_CTRL6, 0x0f, 0x03);
 149                         if (value == 5)
 150                                 sync_control = 11;
 151                         else
 152                                 sync_control = 17;
 153                         saa_writeb(SAA7134_VGATE_START, sync_control);
 154                         saa_writeb(SAA7134_VGATE_STOP, sync_control + 1);
 155                         saa_andorb(SAA7134_MISC_VGATE_MSB, 0x03, 0x00);
 156                 }
 157                 break;
 158         }
 159 }
 160
 161 /* ------------------------------------------------------------------ */
 162
 163
 164 /* ----------------------------------------------------------- */
 165 /* delayed request_module                                      */
 166
 167 #if defined(CONFIG_MODULES) && defined(MODULE)
 168 static int need_empress;
 169 static int need_dvb;
 170 static int need_alsa;
 171 static int need_oss;
 172
 173 static int pending_call(struct notifier_block *self, unsigned long state,
 174                         void *module)
 175 {
 176         if (module != THIS_MODULE || state != MODULE_STATE_LIVE)
 177                 return NOTIFY_DONE;
 178
 179         if (need_empress)
 180                 request_module("saa7134-empress");
 181         if (need_dvb)
 182                 request_module("saa7134-dvb");
 183         if (need_alsa)
 184                 request_module("saa7134-alsa");
 185         if (need_oss)
 186                 request_module("saa7134-oss");
 187         return NOTIFY_DONE;
 188 }
 189
 190 static int pending_registered;
 191 static struct notifier_block pending_notifier = {
 192         .notifier_call = pending_call,
 193 };
 194
 195 static void request_module_depend(char *name, int *flag)
 196 {
 197         int err;
 198         switch (THIS_MODULE->state) {
 199         case MODULE_STATE_COMING:
 200                 if (!pending_registered) {
 201                         err = register_module_notifier(&pending_notifier);
 202                         pending_registered = 1;
 203                 }
 204                 *flag = 1;
 205                 break;
 206         case MODULE_STATE_LIVE:
 207                 request_module(name);
 208                 break;
 209         default:
 210                 /* nothing */;
 211                 break;
 212         }
 213 }
 214
 215 #else
 216 #define request_module_depend(name,flag)
 217 #endif /* CONFIG_MODULES */
 218
 219 /* ------------------------------------------------------------------ */
 220
 221 /* nr of (saa7134-)pages for the given buffer size */
 222 static int saa7134_buffer_pages(int size)
 223 {
 224         size  = PAGE_ALIGN(size);
 225         size += PAGE_SIZE; /* for non-page-aligned buffers */
 226         size /= 4096;
 227         return size;
 228 }
 229
 230 /* calc max # of buffers from size (must not exceed the 4MB virtual
 231  * address space per DMA channel) */
 232 int saa7134_buffer_count(unsigned int size, unsigned int count)
 233 {
 234         unsigned int maxcount;
 235
 236         maxcount = 1024 / saa7134_buffer_pages(size);
 237         if (count > maxcount)
 238                 count = maxcount;
 239         return count;
 240 }
 241
 242 int saa7134_buffer_startpage(struct saa7134_buf *buf)
 243 {
 244         return saa7134_buffer_pages(buf->vb.bsize) * buf->vb.i;
 245 }
 246
 247 unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
 248 {
 249         unsigned long base;
 250
 251         base  = saa7134_buffer_startpage(buf) * 4096;
 252         base += buf->vb.dma.sglist[0].offset;
 253         return base;
 254 }
 255
 256 /* ------------------------------------------------------------------ */
 257
 258 int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt)
 259 {
 260         __le32       *cpu;
 261         dma_addr_t   dma_addr;
 262
 263         cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr);
 264         if (NULL == cpu)
 265                 return -ENOMEM;
 266         pt->size = SAA7134_PGTABLE_SIZE;
 267         pt->cpu  = cpu;
 268         pt->dma  = dma_addr;
 269         return 0;
 270 }
 271
 272 int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
 273                           struct scatterlist *list, unsigned int length,
 274                           unsigned int startpage)
 275 {
 276         __le32        *ptr;
 277         unsigned int  i,p;
 278
 279         BUG_ON(NULL == pt || NULL == pt->cpu);
 280
 281         ptr = pt->cpu + startpage;
 282         for (i = 0; i < length; i++, list++)
 283                 for (p = 0; p * 4096 < list->length; p++, ptr++)
 284                         *ptr = cpu_to_le32(sg_dma_address(list) - list->offset);
 285         return 0;
 286 }
 287
 288 void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt)
 289 {
 290         if (NULL == pt->cpu)
 291                 return;
 292         pci_free_consistent(pci, pt->size, pt->cpu, pt->dma);
 293         pt->cpu = NULL;
 294 }
 295
 296 /* ------------------------------------------------------------------ */
 297
 298 void saa7134_dma_free(struct videobuf_queue *q,struct saa7134_buf *buf)
 299 {
 300         BUG_ON(in_interrupt());
 301
 302         videobuf_waiton(&buf->vb,0,0);
 303         videobuf_dma_unmap(q, &buf->vb.dma);
 304         videobuf_dma_free(&buf->vb.dma);
 305         buf->vb.state = STATE_NEEDS_INIT;
 306 }
 307
 308 /* ------------------------------------------------------------------ */
 309
 310 int saa7134_buffer_queue(struct saa7134_dev *dev,
 311                          struct saa7134_dmaqueue *q,
 312                          struct saa7134_buf *buf)
 313 {
 314         struct saa7134_buf *next = NULL;
 315
 316         assert_spin_locked(&dev->slock);
 317         dprintk("buffer_queue %p\n",buf);
 318         if (NULL == q->curr) {
 319                 if (!q->need_two) {
 320                         q->curr = buf;
 321                         buf->activate(dev,buf,NULL);
 322                 } else if (list_empty(&q->queue)) {
 323                         list_add_tail(&buf->vb.queue,&q->queue);
 324                         buf->vb.state = STATE_QUEUED;
 325                 } else {
 326                         next = list_entry(q->queue.next,struct saa7134_buf,
 327                                           vb.queue);
 328                         q->curr = buf;
 329                         buf->activate(dev,buf,next);
 330                 }
 331         } else {
 332                 list_add_tail(&buf->vb.queue,&q->queue);
 333                 buf->vb.state = STATE_QUEUED;
 334         }
 335         return 0;
 336 }
 337
 338 void saa7134_buffer_finish(struct saa7134_dev *dev,
 339                            struct saa7134_dmaqueue *q,
 340                            unsigned int state)
 341 {
 342         assert_spin_locked(&dev->slock);
 343         dprintk("buffer_finish %p\n",q->curr);
 344
 345         /* finish current buffer */
 346         q->curr->vb.state = state;
 347         do_gettimeofday(&q->curr->vb.ts);
 348         wake_up(&q->curr->vb.done);
 349         q->curr = NULL;
 350 }
 351
 352 void saa7134_buffer_next(struct saa7134_dev *dev,
 353                          struct saa7134_dmaqueue *q)
 354 {
 355         struct saa7134_buf *buf,*next = NULL;
 356
 357         assert_spin_locked(&dev->slock);
 358         BUG_ON(NULL != q->curr);
 359
 360         if (!list_empty(&q->queue)) {
 361                 /* activate next one from queue */
 362                 buf = list_entry(q->queue.next,struct saa7134_buf,vb.queue);
 363                 dprintk("buffer_next %p [prev=%p/next=%p]\n",
 364                         buf,q->queue.prev,q->queue.next);
 365                 list_del(&buf->vb.queue);
 366                 if (!list_empty(&q->queue))
 367                         next = list_entry(q->queue.next,struct saa7134_buf,
 368                                           vb.queue);
 369                 q->curr = buf;
 370                 buf->activate(dev,buf,next);
 371                 dprintk("buffer_next #2 prev=%p/next=%p\n",
 372                         q->queue.prev,q->queue.next);
 373         } else {
 374                 /* nothing to do -- just stop DMA */
 375                 dprintk("buffer_next %p\n",NULL);
 376                 saa7134_set_dmabits(dev);
 377                 del_timer(&q->timeout);
 378         }
 379 }
 380
 381 void saa7134_buffer_timeout(unsigned long data)
 382 {
 383         struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue*)data;
 384         struct saa7134_dev *dev = q->dev;
 385         unsigned long flags;
 386
 387         spin_lock_irqsave(&dev->slock,flags);
 388
 389         /* try to reset the hardware (SWRST) */
 390         saa_writeb(SAA7134_REGION_ENABLE, 0x00);
 391         saa_writeb(SAA7134_REGION_ENABLE, 0x80);
 392         saa_writeb(SAA7134_REGION_ENABLE, 0x00);
 393
 394         /* flag current buffer as failed,
 395            try to start over with the next one. */
 396         if (q->curr) {
 397                 dprintk("timeout on %p\n",q->curr);
 398                 saa7134_buffer_finish(dev,q,STATE_ERROR);
 399         }
 400         saa7134_buffer_next(dev,q);
 401         spin_unlock_irqrestore(&dev->slock,flags);
 402 }
 403
 404 /* ------------------------------------------------------------------ */
 405
 406 int saa7134_set_dmabits(struct saa7134_dev *dev)
 407 {
 408         u32 split, task=0, ctrl=0, irq=0;
 409         enum v4l2_field cap = V4L2_FIELD_ANY;
 410         enum v4l2_field ov  = V4L2_FIELD_ANY;
 411
 412         assert_spin_locked(&dev->slock);
 413
 414         /* video capture -- dma 0 + video task A */
 415         if (dev->video_q.curr) {
 416                 task |= 0x01;
 417                 ctrl |= SAA7134_MAIN_CTRL_TE0;
 418                 irq  |= SAA7134_IRQ1_INTE_RA0_1 |
 419                         SAA7134_IRQ1_INTE_RA0_0;
 420                 cap = dev->video_q.curr->vb.field;
 421         }
 422
 423         /* video capture -- dma 1+2 (planar modes) */
 424         if (dev->video_q.curr &&
 425             dev->video_q.curr->fmt->planar) {
 426                 ctrl |= SAA7134_MAIN_CTRL_TE4 |
 427                         SAA7134_MAIN_CTRL_TE5;
 428         }
 429
 430         /* screen overlay -- dma 0 + video task B */
 431         if (dev->ovenable) {
 432                 task |= 0x10;
 433                 ctrl |= SAA7134_MAIN_CTRL_TE1;
 434                 ov = dev->ovfield;
 435         }
 436
 437         /* vbi capture -- dma 0 + vbi task A+B */
 438         if (dev->vbi_q.curr) {
 439                 task |= 0x22;
 440                 ctrl |= SAA7134_MAIN_CTRL_TE2 |
 441                         SAA7134_MAIN_CTRL_TE3;
 442                 irq  |= SAA7134_IRQ1_INTE_RA0_7 |
 443                         SAA7134_IRQ1_INTE_RA0_6 |
 444                         SAA7134_IRQ1_INTE_RA0_5 |
 445                         SAA7134_IRQ1_INTE_RA0_4;
 446         }
 447
 448         /* audio capture -- dma 3 */
 449         if (dev->dmasound.dma_running) {
 450                 ctrl |= SAA7134_MAIN_CTRL_TE6;
 451                 irq  |= SAA7134_IRQ1_INTE_RA3_1 |
 452                         SAA7134_IRQ1_INTE_RA3_0;
 453         }
 454
 455         /* TS capture -- dma 5 */
 456         if (dev->ts_q.curr) {
 457                 ctrl |= SAA7134_MAIN_CTRL_TE5;
 458                 irq  |= SAA7134_IRQ1_INTE_RA2_3 |
 459                         SAA7134_IRQ1_INTE_RA2_2 |
 460                         SAA7134_IRQ1_INTE_RA2_1 |
 461                         SAA7134_IRQ1_INTE_RA2_0;
 462         }
 463
 464         /* set task conditions + field handling */
 465         if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
 466                 /* default config -- use full frames */
 467                 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
 468                 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
 469                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A),  0x02);
 470                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B),  0x02);
 471                 split = 0;
 472         } else {
 473                 /* split fields between tasks */
 474                 if (V4L2_FIELD_TOP == cap) {
 475                         /* odd A, even B, repeat */
 476                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
 477                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
 478                 } else {
 479                         /* odd B, even A, repeat */
 480                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
 481                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
 482                 }
 483                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A),  0x01);
 484                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B),  0x01);
 485                 split = 1;
 486         }
 487
 488         /* irqs */
 489         saa_writeb(SAA7134_REGION_ENABLE, task);
 490         saa_writel(SAA7134_IRQ1,          irq);
 491         saa_andorl(SAA7134_MAIN_CTRL,
 492                    SAA7134_MAIN_CTRL_TE0 |
 493                    SAA7134_MAIN_CTRL_TE1 |
 494                    SAA7134_MAIN_CTRL_TE2 |
 495                    SAA7134_MAIN_CTRL_TE3 |
 496                    SAA7134_MAIN_CTRL_TE4 |
 497                    SAA7134_MAIN_CTRL_TE5 |
 498                    SAA7134_MAIN_CTRL_TE6,
 499                    ctrl);
 500         dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
 501                 task, ctrl, irq, split ? "no" : "yes");
 502
 503         return 0;
 504 }
 505
 506 /* ------------------------------------------------------------------ */
 507 /* IRQ handler + helpers                                              */
 508
 509 static char *irqbits[] = {
 510         "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
 511         "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
 512         "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
 513         "GPIO16?", "GPIO18", "GPIO22", "GPIO23"
 514 };
 515 #define IRQBITS ARRAY_SIZE(irqbits)
 516
 517 static void print_irqstatus(struct saa7134_dev *dev, int loop,
 518                             unsigned long report, unsigned long status)
 519 {
 520         unsigned int i;
 521
 522         printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx",
 523                dev->name,loop,jiffies,report,status);
 524         for (i = 0; i < IRQBITS; i++) {
 525                 if (!(report & (1 << i)))
 526                         continue;
 527                 printk(" %s",irqbits[i]);
 528         }
 529         if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
 530                 printk(" | RA0=%s,%s,%s,%ld",
 531                        (status & 0x40) ? "vbi"  : "video",
 532                        (status & 0x20) ? "b"    : "a",
 533                        (status & 0x10) ? "odd"  : "even",
 534                        (status & 0x0f));
 535         }
 536         printk("\n");
 537 }
 538
 539 static irqreturn_t saa7134_irq(int irq, void *dev_id)
 540 {
 541         struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
 542         unsigned long report,status;
 543         int loop, handled = 0;
 544
 545         for (loop = 0; loop < 10; loop++) {
 546                 report = saa_readl(SAA7134_IRQ_REPORT);
 547                 status = saa_readl(SAA7134_IRQ_STATUS);
 548                 if (0 == report) {
 549                         if (irq_debug > 1)
 550                                 printk(KERN_DEBUG "%s/irq: no (more) work\n",
 551                                        dev->name);
 552                         goto out;
 553                 }
 554
 555                 /* If dmasound support is active and we get a sound report, exit
 556                    and let the saa7134-alsa/oss module deal with it */
 557
 558                 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) &&
 559                         (dev->dmasound.priv_data != NULL) )
 560                 {
 561                         if (irq_debug > 1)
 562                                 printk(KERN_DEBUG "%s/irq: ignoring interrupt for DMA sound\n",
 563                                        dev->name);
 564                         goto out;
 565                 }
 566
 567                 handled = 1;
 568                 saa_writel(SAA7134_IRQ_REPORT,report);
 569                 if (irq_debug)
 570                         print_irqstatus(dev,loop,report,status);
 571
 572
 573                 if (report & SAA7134_IRQ_REPORT_RDCAP /* _INTL */)
 574                         saa7134_irq_video_intl(dev);
 575
 576                 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
 577                     (status & 0x60) == 0)
 578                         saa7134_irq_video_done(dev,status);
 579
 580                 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
 581                     (status & 0x40) == 0x40)
 582                         saa7134_irq_vbi_done(dev,status);
 583
 584                 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
 585                     card_has_mpeg(dev))
 586                         saa7134_irq_ts_done(dev,status);
 587
 588                 if (report & SAA7134_IRQ_REPORT_GPIO16) {
 589                         switch (dev->has_remote) {
 590                                 case SAA7134_REMOTE_GPIO:
 591                                         if (!dev->remote)
 592                                                 break;
 593                                         if  (dev->remote->mask_keydown & 0x10000) {
 594                                                 saa7134_input_irq(dev);
 595                                         }
 596                                         break;
 597
 598                                 case SAA7134_REMOTE_I2C:
 599                                         break;                  /* FIXME: invoke I2C get_key() */
 600
 601                                 default:                        /* GPIO16 not used by IR remote */
 602                                         break;
 603                         }
 604                 }
 605
 606                 if (report & SAA7134_IRQ_REPORT_GPIO18) {
 607                         switch (dev->has_remote) {
 608                                 case SAA7134_REMOTE_GPIO:
 609                                         if (!dev->remote)
 610                                                 break;
 611                                         if ((dev->remote->mask_keydown & 0x40000) ||
 612                                             (dev->remote->mask_keyup & 0x40000)) {
 613                                                 saa7134_input_irq(dev);
 614                                         }
 615                                         break;
 616
 617                                 case SAA7134_REMOTE_I2C:
 618                                         break;                  /* FIXME: invoke I2C get_key() */
 619
 620                                 default:                        /* GPIO18 not used by IR remote */
 621                                         break;
 622                         }
 623                 }
 624         }
 625
 626         if (10 == loop) {
 627                 print_irqstatus(dev,loop,report,status);
 628                 if (report & SAA7134_IRQ_REPORT_PE) {
 629                         /* disable all parity error */
 630                         printk(KERN_WARNING "%s/irq: looping -- "
 631                                "clearing PE (parity error!) enable bit\n",dev->name);
 632                         saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
 633                 } else if (report & SAA7134_IRQ_REPORT_GPIO16) {
 634                         /* disable gpio16 IRQ */
 635                         printk(KERN_WARNING "%s/irq: looping -- "
 636                                "clearing GPIO16 enable bit\n",dev->name);
 637                         saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16);
 638                 } else if (report & SAA7134_IRQ_REPORT_GPIO18) {
 639                         /* disable gpio18 IRQs */
 640                         printk(KERN_WARNING "%s/irq: looping -- "
 641                                "clearing GPIO18 enable bit\n",dev->name);
 642                         saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18);
 643                 } else {
 644                         /* disable all irqs */
 645                         printk(KERN_WARNING "%s/irq: looping -- "
 646                                "clearing all enable bits\n",dev->name);
 647                         saa_writel(SAA7134_IRQ1,0);
 648                         saa_writel(SAA7134_IRQ2,0);
 649                 }
 650         }
 651
 652  out:
 653         return IRQ_RETVAL(handled);
 654 }
 655
 656 /* ------------------------------------------------------------------ */
 657
 658 /* early init (no i2c, no irq) */
 659 static int saa7134_hwinit1(struct saa7134_dev *dev)
 660 {
 661         dprintk("hwinit1\n");
 662
 663         saa_writel(SAA7134_IRQ1, 0);
 664         saa_writel(SAA7134_IRQ2, 0);
 665         mutex_init(&dev->lock);
 666         spin_lock_init(&dev->slock);
 667
 668         saa7134_track_gpio(dev,"pre-init");
 669         saa7134_video_init1(dev);
 670         saa7134_vbi_init1(dev);
 671         if (card_has_mpeg(dev))
 672                 saa7134_ts_init1(dev);
 673         saa7134_input_init1(dev);
 674
 675         /* RAM FIFO config */
 676         saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
 677         saa_writel(SAA7134_THRESHOULD,0x02020202);
 678
 679         /* enable audio + video processing */
 680         saa_writel(SAA7134_MAIN_CTRL,
 681                    SAA7134_MAIN_CTRL_VPLLE |
 682                    SAA7134_MAIN_CTRL_APLLE |
 683                    SAA7134_MAIN_CTRL_EXOSC |
 684                    SAA7134_MAIN_CTRL_EVFE1 |
 685                    SAA7134_MAIN_CTRL_EVFE2 |
 686                    SAA7134_MAIN_CTRL_ESFE  |
 687                    SAA7134_MAIN_CTRL_EBDAC);
 688
 689         /*
 690          * Initialize OSS _after_ enabling audio clock PLL and audio processing.
 691          * OSS initialization writes to registers via the audio DSP; these
 692          * writes will fail unless the audio clock has been started.  At worst,
 693          * audio will not work.
 694          */
 695
 696         /* enable peripheral devices */
 697         saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
 698
 699         /* set vertical line numbering start (vbi needs this) */
 700         saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
 701
 702         return 0;
 703 }
 704
 705 /* late init (with i2c + irq) */
 706 static int saa7134_hwinit2(struct saa7134_dev *dev)
 707 {
 708         unsigned int irq2_mask;
 709         dprintk("hwinit2\n");
 710
 711         saa7134_video_init2(dev);
 712         saa7134_tvaudio_init2(dev);
 713
 714         /* enable IRQ's */
 715         irq2_mask =
 716                 SAA7134_IRQ2_INTE_DEC3    |
 717                 SAA7134_IRQ2_INTE_DEC2    |
 718                 SAA7134_IRQ2_INTE_DEC1    |
 719                 SAA7134_IRQ2_INTE_DEC0    |
 720                 SAA7134_IRQ2_INTE_PE      |
 721                 SAA7134_IRQ2_INTE_AR;
 722
 723         if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) {
 724                 if (dev->remote->mask_keydown & 0x10000)
 725                         irq2_mask |= SAA7134_IRQ2_INTE_GPIO16;
 726                 else if (dev->remote->mask_keydown & 0x40000)
 727                         irq2_mask |= SAA7134_IRQ2_INTE_GPIO18;
 728                 else if (dev->remote->mask_keyup & 0x40000)
 729                         irq2_mask |= SAA7134_IRQ2_INTE_GPIO18A;
 730         }
 731
 732         saa_writel(SAA7134_IRQ1, 0);
 733         saa_writel(SAA7134_IRQ2, irq2_mask);
 734
 735         return 0;
 736 }
 737
 738 /* shutdown */
 739 static int saa7134_hwfini(struct saa7134_dev *dev)
 740 {
 741         dprintk("hwfini\n");
 742
 743         if (card_has_mpeg(dev))
 744                 saa7134_ts_fini(dev);
 745         saa7134_input_fini(dev);
 746         saa7134_vbi_fini(dev);
 747         saa7134_video_fini(dev);
 748         saa7134_tvaudio_fini(dev);
 749         return 0;
 750 }
 751
 752 static void __devinit must_configure_manually(void)
 753 {
 754         unsigned int i,p;
 755
 756         printk(KERN_WARNING
 757                "saa7134: <rant>\n"
 758                "saa7134:  Congratulations!  Your TV card vendor saved a few\n"
 759                "saa7134:  cents for a eeprom, thus your pci board has no\n"
 760                "saa7134:  subsystem ID and I can't identify it automatically\n"
 761                "saa7134: </rant>\n"
 762                "saa7134: I feel better now.  Ok, here are the good news:\n"
 763                "saa7134: You can use the card=<nr> insmod option to specify\n"
 764                "saa7134: which board do you have.  The list:\n");
 765         for (i = 0; i < saa7134_bcount; i++) {
 766                 printk(KERN_WARNING "saa7134:   card=%d -> %-40.40s",
 767                        i,saa7134_boards[i].name);
 768                 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
 769                         if (saa7134_pci_tbl[p].driver_data != i)
 770                                 continue;
 771                         printk(" %04x:%04x",
 772                                saa7134_pci_tbl[p].subvendor,
 773                                saa7134_pci_tbl[p].subdevice);
 774                 }
 775                 printk("\n");
 776         }
 777 }
 778
 779 static struct video_device *vdev_init(struct saa7134_dev *dev,
 780                                       struct video_device *template,
 781                                       char *type)
 782 {
 783         struct video_device *vfd;
 784
 785         vfd = video_device_alloc();
 786         if (NULL == vfd)
 787                 return NULL;
 788         *vfd = *template;
 789         vfd->minor   = -1;
 790         vfd->dev     = &dev->pci->dev;
 791         vfd->release = video_device_release;
 792         snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
 793                  dev->name, type, saa7134_boards[dev->board].name);
 794         return vfd;
 795 }
 796
 797 static void saa7134_unregister_video(struct saa7134_dev *dev)
 798 {
 799         if (dev->video_dev) {
 800                 if (-1 != dev->video_dev->minor)
 801                         video_unregister_device(dev->video_dev);
 802                 else
 803                         video_device_release(dev->video_dev);
 804                 dev->video_dev = NULL;
 805         }
 806         if (dev->vbi_dev) {
 807                 if (-1 != dev->vbi_dev->minor)
 808                         video_unregister_device(dev->vbi_dev);
 809                 else
 810                         video_device_release(dev->vbi_dev);
 811                 dev->vbi_dev = NULL;
 812         }
 813         if (dev->radio_dev) {
 814                 if (-1 != dev->radio_dev->minor)
 815                         video_unregister_device(dev->radio_dev);
 816                 else
 817                         video_device_release(dev->radio_dev);
 818                 dev->radio_dev = NULL;
 819         }
 820 }
 821
 822 static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
 823                             struct saa7134_dev *dev)
 824 {
 825         int err;
 826
 827         if (NULL != dev->mops)
 828                 return;
 829         if (saa7134_boards[dev->board].mpeg != ops->type)
 830                 return;
 831         err = ops->init(dev);
 832         if (0 != err)
 833                 return;
 834         dev->mops = ops;
 835 }
 836
 837 static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
 838                             struct saa7134_dev *dev)
 839 {
 840         if (NULL == dev->mops)
 841                 return;
 842         if (dev->mops != ops)
 843                 return;
 844         dev->mops->fini(dev);
 845         dev->mops = NULL;
 846 }
 847
 848 static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
 849                                      const struct pci_device_id *pci_id)
 850 {
 851         struct saa7134_dev *dev;
 852         struct list_head *item;
 853         struct saa7134_mpeg_ops *mops;
 854         int err;
 855
 856         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
 857         if (NULL == dev)
 858                 return -ENOMEM;
 859
 860         /* pci init */
 861         dev->pci = pci_dev;
 862         if (pci_enable_device(pci_dev)) {
 863                 err = -EIO;
 864                 goto fail1;
 865         }
 866
 867         dev->nr = saa7134_devcount;
 868         sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr);
 869
 870         /* pci quirks */
 871         if (pci_pci_problems) {
 872                 if (pci_pci_problems & PCIPCI_TRITON)
 873                         printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name);
 874                 if (pci_pci_problems & PCIPCI_NATOMA)
 875                         printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name);
 876                 if (pci_pci_problems & PCIPCI_VIAETBF)
 877                         printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name);
 878                 if (pci_pci_problems & PCIPCI_VSFX)
 879                         printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name);
 880 #ifdef PCIPCI_ALIMAGIK
 881                 if (pci_pci_problems & PCIPCI_ALIMAGIK) {
 882                         printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
 883                                dev->name);
 884                         latency = 0x0A;
 885                 }
 886 #endif
 887                 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) {
 888                         printk(KERN_INFO "%s: quirk: this driver and your "
 889                                         "chipset may not work together"
 890                                         " in overlay mode.\n",dev->name);
 891                         if (!saa7134_no_overlay) {
 892                                 printk(KERN_INFO "%s: quirk: overlay "
 893                                                 "mode will be disabled.\n",
 894                                                 dev->name);
 895                                 saa7134_no_overlay = 1;
 896                         } else {
 897                                 printk(KERN_INFO "%s: quirk: overlay "
 898                                                 "mode will be forced. Use this"
 899                                                 " option at your own risk.\n",
 900                                                 dev->name);
 901                         }
 902                 }
 903         }
 904         if (UNSET != latency) {
 905                 printk(KERN_INFO "%s: setting pci latency timer to %d\n",
 906                        dev->name,latency);
 907                 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
 908         }
 909
 910         /* print pci info */
 911         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
 912         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
 913         printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, "
 914                "latency: %d, mmio: 0x%llx\n", dev->name,
 915                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
 916                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
 917         pci_set_master(pci_dev);
 918         if (!pci_dma_supported(pci_dev, DMA_32BIT_MASK)) {
 919                 printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name);
 920                 err = -EIO;
 921                 goto fail1;
 922         }
 923
 924         /* board config */
 925         dev->board = pci_id->driver_data;
 926         if (card[dev->nr] >= 0 &&
 927             card[dev->nr] < saa7134_bcount)
 928                 dev->board = card[dev->nr];
 929         if (SAA7134_BOARD_NOAUTO == dev->board) {
 930                 must_configure_manually();
 931                 dev->board = SAA7134_BOARD_UNKNOWN;
 932         }
 933         dev->autodetected = card[dev->nr] != dev->board;
 934         dev->tuner_type   = saa7134_boards[dev->board].tuner_type;
 935         dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
 936         if (UNSET != tuner[dev->nr])
 937                 dev->tuner_type = tuner[dev->nr];
 938                 printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
 939                 dev->name,pci_dev->subsystem_vendor,
 940                 pci_dev->subsystem_device,saa7134_boards[dev->board].name,
 941                 dev->board, dev->autodetected ?
 942                 "autodetected" : "insmod option");
 943
 944         /* get mmio */
 945         if (!request_mem_region(pci_resource_start(pci_dev,0),
 946                                 pci_resource_len(pci_dev,0),
 947                                 dev->name)) {
 948                 err = -EBUSY;
 949                 printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n",
 950                        dev->name,(unsigned long long)pci_resource_start(pci_dev,0));
 951                 goto fail1;
 952         }
 953         dev->lmmio = ioremap(pci_resource_start(pci_dev,0), 0x1000);
 954         dev->bmmio = (__u8 __iomem *)dev->lmmio;
 955         if (NULL == dev->lmmio) {
 956                 err = -EIO;
 957                 printk(KERN_ERR "%s: can't ioremap() MMIO memory\n",
 958                        dev->name);
 959                 goto fail2;
 960         }
 961
 962         /* initialize hardware #1 */
 963         saa7134_board_init1(dev);
 964         saa7134_hwinit1(dev);
 965
 966         /* get irq */
 967         err = request_irq(pci_dev->irq, saa7134_irq,
 968                           IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
 969         if (err < 0) {
 970                 printk(KERN_ERR "%s: can't get IRQ %d\n",
 971                        dev->name,pci_dev->irq);
 972                 goto fail3;
 973         }
 974
 975         /* wait a bit, register i2c bus */
 976         msleep(100);
 977         saa7134_i2c_register(dev);
 978
 979         /* initialize hardware #2 */
 980         saa7134_board_init2(dev);
 981         saa7134_hwinit2(dev);
 982
 983         /* load i2c helpers */
 984         if (TUNER_ABSENT != dev->tuner_type)
 985                 request_module("tuner");
 986         if (card_is_empress(dev)) {
 987                 request_module("saa6752hs");
 988                 request_module_depend("saa7134-empress",&need_empress);
 989         }
 990
 991         if (card_is_dvb(dev))
 992                 request_module_depend("saa7134-dvb",&need_dvb);
 993
 994
 995         if (alsa)
 996                 request_module_depend("saa7134-alsa",&need_alsa);
 997
 998         if (oss)
 999                 request_module_depend("saa7134-oss",&need_oss);
1000
1001         v4l2_prio_init(&dev->prio);
1002
1003         /* register v4l devices */
1004         if (saa7134_no_overlay <= 0) {
1005                 saa7134_video_template.type |= VID_TYPE_OVERLAY;
1006         } else {
1007                 printk("%s: Overlay support disabled.\n",dev->name);
1008         }
1009         dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
1010         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1011                                     video_nr[dev->nr]);
1012         if (err < 0) {
1013                 printk(KERN_INFO "%s: can't register video device\n",
1014                        dev->name);
1015                 goto fail4;
1016         }
1017         printk(KERN_INFO "%s: registered device video%d [v4l2]\n",
1018                dev->name,dev->video_dev->minor & 0x1f);
1019
1020         dev->vbi_dev = vdev_init(dev,&saa7134_vbi_template,"vbi");
1021         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1022                                     vbi_nr[dev->nr]);
1023         if (err < 0)
1024                 goto fail4;
1025         printk(KERN_INFO "%s: registered device vbi%d\n",
1026                dev->name,dev->vbi_dev->minor & 0x1f);
1027
1028         if (card_has_radio(dev)) {
1029                 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
1030                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1031                                             radio_nr[dev->nr]);
1032                 if (err < 0)
1033                         goto fail4;
1034                 printk(KERN_INFO "%s: registered device radio%d\n",
1035                        dev->name,dev->radio_dev->minor & 0x1f);
1036         }
1037
1038         /* everything worked */
1039         pci_set_drvdata(pci_dev,dev);
1040         saa7134_devcount++;
1041
1042         mutex_lock(&devlist_lock);
1043         list_for_each(item,&mops_list) {
1044                 mops = list_entry(item, struct saa7134_mpeg_ops, next);
1045                 mpeg_ops_attach(mops, dev);
1046         }
1047         list_add_tail(&dev->devlist,&saa7134_devlist);
1048         mutex_unlock(&devlist_lock);
1049
1050         /* check for signal */
1051         saa7134_irq_video_intl(dev);
1052
1053         if (saa7134_dmasound_init && !dev->dmasound.priv_data) {
1054                 saa7134_dmasound_init(dev);
1055         }
1056
1057         return 0;
1058
1059  fail4:
1060         saa7134_unregister_video(dev);
1061         saa7134_i2c_unregister(dev);
1062         free_irq(pci_dev->irq, dev);
1063  fail3:
1064         saa7134_hwfini(dev);
1065         iounmap(dev->lmmio);
1066  fail2:
1067         release_mem_region(pci_resource_start(pci_dev,0),
1068                            pci_resource_len(pci_dev,0));
1069  fail1:
1070         kfree(dev);
1071         return err;
1072 }
1073
1074 static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
1075 {
1076         struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
1077         struct list_head *item;
1078         struct saa7134_mpeg_ops *mops;
1079
1080         /* Release DMA sound modules if present */
1081         if (saa7134_dmasound_exit && dev->dmasound.priv_data) {
1082                 saa7134_dmasound_exit(dev);
1083         }
1084
1085         /* debugging ... */
1086         if (irq_debug) {
1087                 u32 report = saa_readl(SAA7134_IRQ_REPORT);
1088                 u32 status = saa_readl(SAA7134_IRQ_STATUS);
1089                 print_irqstatus(dev,42,report,status);
1090         }
1091
1092         /* disable peripheral devices */
1093         saa_writeb(SAA7134_SPECIAL_MODE,0);
1094
1095         /* shutdown hardware */
1096         saa_writel(SAA7134_IRQ1,0);
1097         saa_writel(SAA7134_IRQ2,0);
1098         saa_writel(SAA7134_MAIN_CTRL,0);
1099
1100         /* shutdown subsystems */
1101         saa7134_hwfini(dev);
1102
1103         /* unregister */
1104         mutex_lock(&devlist_lock);
1105         list_del(&dev->devlist);
1106         list_for_each(item,&mops_list) {
1107                 mops = list_entry(item, struct saa7134_mpeg_ops, next);
1108                 mpeg_ops_detach(mops, dev);
1109         }
1110         mutex_unlock(&devlist_lock);
1111         saa7134_devcount--;
1112
1113         saa7134_i2c_unregister(dev);
1114         saa7134_unregister_video(dev);
1115
1116
1117         /* the DMA sound modules should be unloaded before reaching
1118            this, but just in case they are still present... */
1119         if (dev->dmasound.priv_data != NULL) {
1120                 free_irq(pci_dev->irq, &dev->dmasound);
1121                 dev->dmasound.priv_data = NULL;
1122         }
1123
1124
1125         /* release resources */
1126         free_irq(pci_dev->irq, dev);
1127         iounmap(dev->lmmio);
1128         release_mem_region(pci_resource_start(pci_dev,0),
1129                            pci_resource_len(pci_dev,0));
1130
1131         pci_set_drvdata(pci_dev, NULL);
1132
1133         /* free memory */
1134         kfree(dev);
1135 }
1136
1137 /* ----------------------------------------------------------- */
1138
1139 int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1140 {
1141         struct list_head *item;
1142         struct saa7134_dev *dev;
1143
1144         mutex_lock(&devlist_lock);
1145         list_for_each(item,&saa7134_devlist) {
1146                 dev = list_entry(item, struct saa7134_dev, devlist);
1147                 mpeg_ops_attach(ops, dev);
1148         }
1149         list_add_tail(&ops->next,&mops_list);
1150         mutex_unlock(&devlist_lock);
1151         return 0;
1152 }
1153
1154 void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1155 {
1156         struct list_head *item;
1157         struct saa7134_dev *dev;
1158
1159         mutex_lock(&devlist_lock);
1160         list_del(&ops->next);
1161         list_for_each(item,&saa7134_devlist) {
1162                 dev = list_entry(item, struct saa7134_dev, devlist);
1163                 mpeg_ops_detach(ops, dev);
1164         }
1165         mutex_unlock(&devlist_lock);
1166 }
1167
1168 EXPORT_SYMBOL(saa7134_ts_register);
1169 EXPORT_SYMBOL(saa7134_ts_unregister);
1170
1171 /* ----------------------------------------------------------- */
1172
1173 static struct pci_driver saa7134_pci_driver = {
1174         .name     = "saa7134",
1175         .id_table = saa7134_pci_tbl,
1176         .probe    = saa7134_initdev,
1177         .remove   = __devexit_p(saa7134_finidev),
1178 };
1179
1180 static int saa7134_init(void)
1181 {
1182         INIT_LIST_HEAD(&saa7134_devlist);
1183         printk(KERN_INFO "saa7130/34: v4l2 driver version %d.%d.%d loaded\n",
1184                (SAA7134_VERSION_CODE >> 16) & 0xff,
1185                (SAA7134_VERSION_CODE >>  8) & 0xff,
1186                SAA7134_VERSION_CODE & 0xff);
1187 #ifdef SNAPSHOT
1188         printk(KERN_INFO "saa7130/34: snapshot date %04d-%02d-%02d\n",
1189                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1190 #endif
1191         return pci_register_driver(&saa7134_pci_driver);
1192 }
1193
1194 static void saa7134_fini(void)
1195 {
1196 #if defined(CONFIG_MODULES) && defined(MODULE)
1197         if (pending_registered)
1198                 unregister_module_notifier(&pending_notifier);
1199 #endif /* CONFIG_MODULES */
1200         pci_unregister_driver(&saa7134_pci_driver);
1201 }
1202
1203 module_init(saa7134_init);
1204 module_exit(saa7134_fini);
1205
1206 /* ----------------------------------------------------------- */
1207
1208 EXPORT_SYMBOL(saa7134_i2c_call_clients);
1209 EXPORT_SYMBOL(saa7134_devlist);
1210 EXPORT_SYMBOL(saa7134_boards);
1211
1212 /* ----------------- for the DMA sound modules --------------- */
1213
1214 EXPORT_SYMBOL(saa7134_dmasound_init);
1215 EXPORT_SYMBOL(saa7134_dmasound_exit);
1216 EXPORT_SYMBOL(saa7134_pgtable_free);
1217 EXPORT_SYMBOL(saa7134_pgtable_build);
1218 EXPORT_SYMBOL(saa7134_pgtable_alloc);
1219 EXPORT_SYMBOL(saa7134_set_dmabits);
1220
1221 /* ----------------------------------------------------------- */
1222 /*
1223  * Local variables:
1224  * c-basic-offset: 8
1225  * End:
1226  */