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/kernel.h>
  27 #include <linux/slab.h>
  28 #include <linux/kmod.h>
  29 #include <linux/sound.h>
  30 #include <linux/interrupt.h>
  31 #include <linux/delay.h>
  32 #include <linux/mutex.h>
  33 #include <linux/dma-mapping.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 int saa7134_no_overlay=-1;
  69 module_param_named(no_overlay, saa7134_no_overlay, int, 0444);
  70 MODULE_PARM_DESC(no_overlay,"allow override overlay default (0 disables, 1 enables)"
  71                 " [some VIA/SIS chipsets are known to have problem with overlay]");
  72
  73 static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  74 static unsigned int vbi_nr[]   = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  75 static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  76 static unsigned int tuner[]    = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  77 static unsigned int card[]     = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  78
  79
  80 module_param_array(video_nr, int, NULL, 0444);
  81 module_param_array(vbi_nr,   int, NULL, 0444);
  82 module_param_array(radio_nr, int, NULL, 0444);
  83 module_param_array(tuner,    int, NULL, 0444);
  84 module_param_array(card,     int, NULL, 0444);
  85
  86 MODULE_PARM_DESC(video_nr, "video device number");
  87 MODULE_PARM_DESC(vbi_nr,   "vbi device number");
  88 MODULE_PARM_DESC(radio_nr, "radio device number");
  89 MODULE_PARM_DESC(tuner,    "tuner type");
  90 MODULE_PARM_DESC(card,     "card type");
  91
  92 static DEFINE_MUTEX(devlist_lock);
  93 LIST_HEAD(saa7134_devlist);
  94 static LIST_HEAD(mops_list);
  95 static unsigned int saa7134_devcount;
  96
  97 int (*saa7134_dmasound_init)(struct saa7134_dev *dev);
  98 int (*saa7134_dmasound_exit)(struct saa7134_dev *dev);
  99
 100 #define dprintk(fmt, arg...)    if (core_debug) \
 101         printk(KERN_DEBUG "%s/core: " fmt, dev->name , ## arg)
 102
 103 void saa7134_track_gpio(struct saa7134_dev *dev, char *msg)
 104 {
 105         unsigned long mode,status;
 106
 107         if (!gpio_tracking)
 108                 return;
 109         /* rising SAA7134_GPIO_GPRESCAN reads the status */
 110         saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0);
 111         saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN);
 112         mode   = saa_readl(SAA7134_GPIO_GPMODE0   >> 2) & 0xfffffff;
 113         status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff;
 114         printk(KERN_DEBUG
 115                "%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n",
 116                dev->name, mode, (~mode) & status, mode & status, msg);
 117 }
 118
 119 void saa7134_set_gpio(struct saa7134_dev *dev, int bit_no, int value)
 120 {
 121         u32 index, bitval;
 122
 123         index = 1 << bit_no;
 124         switch (value) {
 125         case 0: /* static value */
 126         case 1: dprintk("setting GPIO%d to static %d\n", bit_no, value);
 127                 /* turn sync mode off if necessary */
 128                 if (index & 0x00c00000)
 129                         saa_andorb(SAA7134_VIDEO_PORT_CTRL6, 0x0f, 0x00);
 130                 if (value)
 131                         bitval = index;
 132                 else
 133                         bitval = 0;
 134                 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, index);
 135                 saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, index, bitval);
 136                 break;
 137         case 3: /* tristate */
 138                 dprintk("setting GPIO%d to tristate\n", bit_no);
 139                 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, 0);
 140                 break;
 141         }
 142 }
 143
 144 int saa7134_tuner_callback(void *ptr, int command, int arg)
 145 {
 146         u8 sync_control;
 147         struct saa7134_dev *dev = ptr;
 148
 149         switch (dev->tuner_type) {
 150         case TUNER_PHILIPS_TDA8290:
 151                 switch (command) {
 152                 case 0: /* switch LNA gain through GPIO 22*/
 153                         saa7134_set_gpio(dev, 22, arg) ;
 154                         break;
 155                 case 1: /* vsync output at GPIO22. 50 / 60Hz */
 156                         dprintk("setting GPIO22 to vsync %d\n", arg);
 157                         saa_andorb(SAA7134_VIDEO_PORT_CTRL3, 0x80, 0x80);
 158                         saa_andorb(SAA7134_VIDEO_PORT_CTRL6, 0x0f, 0x03);
 159                         if (arg == 1)
 160                                 sync_control = 11;
 161                         else
 162                                 sync_control = 17;
 163                         saa_writeb(SAA7134_VGATE_START, sync_control);
 164                         saa_writeb(SAA7134_VGATE_STOP, sync_control + 1);
 165                         saa_andorb(SAA7134_MISC_VGATE_MSB, 0x03, 0x00);
 166                         break;
 167                 default:
 168                         return -EINVAL;
 169                 }
 170                 break;
 171         default:
 172                 return -ENODEV;
 173         }
 174         return 0;
 175 }
 176
 177 /* ------------------------------------------------------------------ */
 178
 179
 180 /* ----------------------------------------------------------- */
 181 /* delayed request_module                                      */
 182
 183 #if defined(CONFIG_MODULES) && defined(MODULE)
 184
 185
 186 static void request_module_async(struct work_struct *work){
 187         struct saa7134_dev* dev = container_of(work, struct saa7134_dev, request_module_wk);
 188         if (card_is_empress(dev))
 189                 request_module("saa7134-empress");
 190         if (card_is_dvb(dev))
 191                 request_module("saa7134-dvb");
 192         if (alsa)
 193                 request_module("saa7134-alsa");
 194         if (oss)
 195                 request_module("saa7134-oss");
 196 }
 197
 198 static void request_submodules(struct saa7134_dev *dev)
 199 {
 200         INIT_WORK(&dev->request_module_wk, request_module_async);
 201         schedule_work(&dev->request_module_wk);
 202 }
 203
 204 #else
 205 #define request_submodules(dev)
 206 #endif /* CONFIG_MODULES */
 207
 208 /* ------------------------------------------------------------------ */
 209
 210 /* nr of (saa7134-)pages for the given buffer size */
 211 static int saa7134_buffer_pages(int size)
 212 {
 213         size  = PAGE_ALIGN(size);
 214         size += PAGE_SIZE; /* for non-page-aligned buffers */
 215         size /= 4096;
 216         return size;
 217 }
 218
 219 /* calc max # of buffers from size (must not exceed the 4MB virtual
 220  * address space per DMA channel) */
 221 int saa7134_buffer_count(unsigned int size, unsigned int count)
 222 {
 223         unsigned int maxcount;
 224
 225         maxcount = 1024 / saa7134_buffer_pages(size);
 226         if (count > maxcount)
 227                 count = maxcount;
 228         return count;
 229 }
 230
 231 int saa7134_buffer_startpage(struct saa7134_buf *buf)
 232 {
 233         return saa7134_buffer_pages(buf->vb.bsize) * buf->vb.i;
 234 }
 235
 236 unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
 237 {
 238         unsigned long base;
 239         struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
 240
 241         base  = saa7134_buffer_startpage(buf) * 4096;
 242         base += dma->sglist[0].offset;
 243         return base;
 244 }
 245
 246 /* ------------------------------------------------------------------ */
 247
 248 int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt)
 249 {
 250         __le32       *cpu;
 251         dma_addr_t   dma_addr;
 252
 253         cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr);
 254         if (NULL == cpu)
 255                 return -ENOMEM;
 256         pt->size = SAA7134_PGTABLE_SIZE;
 257         pt->cpu  = cpu;
 258         pt->dma  = dma_addr;
 259         return 0;
 260 }
 261
 262 int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
 263                           struct scatterlist *list, unsigned int length,
 264                           unsigned int startpage)
 265 {
 266         __le32        *ptr;
 267         unsigned int  i,p;
 268
 269         BUG_ON(NULL == pt || NULL == pt->cpu);
 270
 271         ptr = pt->cpu + startpage;
 272         for (i = 0; i < length; i++, list++)
 273                 for (p = 0; p * 4096 < list->length; p++, ptr++)
 274                         *ptr = cpu_to_le32(sg_dma_address(list) - list->offset);
 275         return 0;
 276 }
 277
 278 void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt)
 279 {
 280         if (NULL == pt->cpu)
 281                 return;
 282         pci_free_consistent(pci, pt->size, pt->cpu, pt->dma);
 283         pt->cpu = NULL;
 284 }
 285
 286 /* ------------------------------------------------------------------ */
 287
 288 void saa7134_dma_free(struct videobuf_queue *q,struct saa7134_buf *buf)
 289 {
 290         struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
 291         BUG_ON(in_interrupt());
 292
 293         videobuf_waiton(&buf->vb,0,0);
 294         videobuf_dma_unmap(q, dma);
 295         videobuf_dma_free(dma);
 296         buf->vb.state = STATE_NEEDS_INIT;
 297 }
 298
 299 /* ------------------------------------------------------------------ */
 300
 301 int saa7134_buffer_queue(struct saa7134_dev *dev,
 302                          struct saa7134_dmaqueue *q,
 303                          struct saa7134_buf *buf)
 304 {
 305         struct saa7134_buf *next = NULL;
 306
 307         assert_spin_locked(&dev->slock);
 308         dprintk("buffer_queue %p\n",buf);
 309         if (NULL == q->curr) {
 310                 if (!q->need_two) {
 311                         q->curr = buf;
 312                         buf->activate(dev,buf,NULL);
 313                 } else if (list_empty(&q->queue)) {
 314                         list_add_tail(&buf->vb.queue,&q->queue);
 315                         buf->vb.state = STATE_QUEUED;
 316                 } else {
 317                         next = list_entry(q->queue.next,struct saa7134_buf,
 318                                           vb.queue);
 319                         q->curr = buf;
 320                         buf->activate(dev,buf,next);
 321                 }
 322         } else {
 323                 list_add_tail(&buf->vb.queue,&q->queue);
 324                 buf->vb.state = STATE_QUEUED;
 325         }
 326         return 0;
 327 }
 328
 329 void saa7134_buffer_finish(struct saa7134_dev *dev,
 330                            struct saa7134_dmaqueue *q,
 331                            unsigned int state)
 332 {
 333         assert_spin_locked(&dev->slock);
 334         dprintk("buffer_finish %p\n",q->curr);
 335
 336         /* finish current buffer */
 337         q->curr->vb.state = state;
 338         do_gettimeofday(&q->curr->vb.ts);
 339         wake_up(&q->curr->vb.done);
 340         q->curr = NULL;
 341 }
 342
 343 void saa7134_buffer_next(struct saa7134_dev *dev,
 344                          struct saa7134_dmaqueue *q)
 345 {
 346         struct saa7134_buf *buf,*next = NULL;
 347
 348         assert_spin_locked(&dev->slock);
 349         BUG_ON(NULL != q->curr);
 350
 351         if (!list_empty(&q->queue)) {
 352                 /* activate next one from queue */
 353                 buf = list_entry(q->queue.next,struct saa7134_buf,vb.queue);
 354                 dprintk("buffer_next %p [prev=%p/next=%p]\n",
 355                         buf,q->queue.prev,q->queue.next);
 356                 list_del(&buf->vb.queue);
 357                 if (!list_empty(&q->queue))
 358                         next = list_entry(q->queue.next,struct saa7134_buf,
 359                                           vb.queue);
 360                 q->curr = buf;
 361                 buf->activate(dev,buf,next);
 362                 dprintk("buffer_next #2 prev=%p/next=%p\n",
 363                         q->queue.prev,q->queue.next);
 364         } else {
 365                 /* nothing to do -- just stop DMA */
 366                 dprintk("buffer_next %p\n",NULL);
 367                 saa7134_set_dmabits(dev);
 368                 del_timer(&q->timeout);
 369         }
 370 }
 371
 372 void saa7134_buffer_timeout(unsigned long data)
 373 {
 374         struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue*)data;
 375         struct saa7134_dev *dev = q->dev;
 376         unsigned long flags;
 377
 378         spin_lock_irqsave(&dev->slock,flags);
 379
 380         /* try to reset the hardware (SWRST) */
 381         saa_writeb(SAA7134_REGION_ENABLE, 0x00);
 382         saa_writeb(SAA7134_REGION_ENABLE, 0x80);
 383         saa_writeb(SAA7134_REGION_ENABLE, 0x00);
 384
 385         /* flag current buffer as failed,
 386            try to start over with the next one. */
 387         if (q->curr) {
 388                 dprintk("timeout on %p\n",q->curr);
 389                 saa7134_buffer_finish(dev,q,STATE_ERROR);
 390         }
 391         saa7134_buffer_next(dev,q);
 392         spin_unlock_irqrestore(&dev->slock,flags);
 393 }
 394
 395 /* ------------------------------------------------------------------ */
 396
 397 int saa7134_set_dmabits(struct saa7134_dev *dev)
 398 {
 399         u32 split, task=0, ctrl=0, irq=0;
 400         enum v4l2_field cap = V4L2_FIELD_ANY;
 401         enum v4l2_field ov  = V4L2_FIELD_ANY;
 402
 403         assert_spin_locked(&dev->slock);
 404
 405         /* video capture -- dma 0 + video task A */
 406         if (dev->video_q.curr) {
 407                 task |= 0x01;
 408                 ctrl |= SAA7134_MAIN_CTRL_TE0;
 409                 irq  |= SAA7134_IRQ1_INTE_RA0_1 |
 410                         SAA7134_IRQ1_INTE_RA0_0;
 411                 cap = dev->video_q.curr->vb.field;
 412         }
 413
 414         /* video capture -- dma 1+2 (planar modes) */
 415         if (dev->video_q.curr &&
 416             dev->video_q.curr->fmt->planar) {
 417                 ctrl |= SAA7134_MAIN_CTRL_TE4 |
 418                         SAA7134_MAIN_CTRL_TE5;
 419         }
 420
 421         /* screen overlay -- dma 0 + video task B */
 422         if (dev->ovenable) {
 423                 task |= 0x10;
 424                 ctrl |= SAA7134_MAIN_CTRL_TE1;
 425                 ov = dev->ovfield;
 426         }
 427
 428         /* vbi capture -- dma 0 + vbi task A+B */
 429         if (dev->vbi_q.curr) {
 430                 task |= 0x22;
 431                 ctrl |= SAA7134_MAIN_CTRL_TE2 |
 432                         SAA7134_MAIN_CTRL_TE3;
 433                 irq  |= SAA7134_IRQ1_INTE_RA0_7 |
 434                         SAA7134_IRQ1_INTE_RA0_6 |
 435                         SAA7134_IRQ1_INTE_RA0_5 |
 436                         SAA7134_IRQ1_INTE_RA0_4;
 437         }
 438
 439         /* audio capture -- dma 3 */
 440         if (dev->dmasound.dma_running) {
 441                 ctrl |= SAA7134_MAIN_CTRL_TE6;
 442                 irq  |= SAA7134_IRQ1_INTE_RA3_1 |
 443                         SAA7134_IRQ1_INTE_RA3_0;
 444         }
 445
 446         /* TS capture -- dma 5 */
 447         if (dev->ts_q.curr) {
 448                 ctrl |= SAA7134_MAIN_CTRL_TE5;
 449                 irq  |= SAA7134_IRQ1_INTE_RA2_3 |
 450                         SAA7134_IRQ1_INTE_RA2_2 |
 451                         SAA7134_IRQ1_INTE_RA2_1 |
 452                         SAA7134_IRQ1_INTE_RA2_0;
 453         }
 454
 455         /* set task conditions + field handling */
 456         if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
 457                 /* default config -- use full frames */
 458                 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
 459                 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
 460                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A),  0x02);
 461                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B),  0x02);
 462                 split = 0;
 463         } else {
 464                 /* split fields between tasks */
 465                 if (V4L2_FIELD_TOP == cap) {
 466                         /* odd A, even B, repeat */
 467                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
 468                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
 469                 } else {
 470                         /* odd B, even A, repeat */
 471                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
 472                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
 473                 }
 474                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A),  0x01);
 475                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B),  0x01);
 476                 split = 1;
 477         }
 478
 479         /* irqs */
 480         saa_writeb(SAA7134_REGION_ENABLE, task);
 481         saa_writel(SAA7134_IRQ1,          irq);
 482         saa_andorl(SAA7134_MAIN_CTRL,
 483                    SAA7134_MAIN_CTRL_TE0 |
 484                    SAA7134_MAIN_CTRL_TE1 |
 485                    SAA7134_MAIN_CTRL_TE2 |
 486                    SAA7134_MAIN_CTRL_TE3 |
 487                    SAA7134_MAIN_CTRL_TE4 |
 488                    SAA7134_MAIN_CTRL_TE5 |
 489                    SAA7134_MAIN_CTRL_TE6,
 490                    ctrl);
 491         dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
 492                 task, ctrl, irq, split ? "no" : "yes");
 493
 494         return 0;
 495 }
 496
 497 /* ------------------------------------------------------------------ */
 498 /* IRQ handler + helpers                                              */
 499
 500 static char *irqbits[] = {
 501         "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
 502         "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
 503         "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
 504         "GPIO16?", "GPIO18", "GPIO22", "GPIO23"
 505 };
 506 #define IRQBITS ARRAY_SIZE(irqbits)
 507
 508 static void print_irqstatus(struct saa7134_dev *dev, int loop,
 509                             unsigned long report, unsigned long status)
 510 {
 511         unsigned int i;
 512
 513         printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx",
 514                dev->name,loop,jiffies,report,status);
 515         for (i = 0; i < IRQBITS; i++) {
 516                 if (!(report & (1 << i)))
 517                         continue;
 518                 printk(" %s",irqbits[i]);
 519         }
 520         if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
 521                 printk(" | RA0=%s,%s,%s,%ld",
 522                        (status & 0x40) ? "vbi"  : "video",
 523                        (status & 0x20) ? "b"    : "a",
 524                        (status & 0x10) ? "odd"  : "even",
 525                        (status & 0x0f));
 526         }
 527         printk("\n");
 528 }
 529
 530 static irqreturn_t saa7134_irq(int irq, void *dev_id)
 531 {
 532         struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
 533         unsigned long report,status;
 534         int loop, handled = 0;
 535
 536         for (loop = 0; loop < 10; loop++) {
 537                 report = saa_readl(SAA7134_IRQ_REPORT);
 538                 status = saa_readl(SAA7134_IRQ_STATUS);
 539                 if (0 == report) {
 540                         if (irq_debug > 1)
 541                                 printk(KERN_DEBUG "%s/irq: no (more) work\n",
 542                                        dev->name);
 543                         goto out;
 544                 }
 545
 546                 /* If dmasound support is active and we get a sound report, exit
 547                    and let the saa7134-alsa/oss module deal with it */
 548
 549                 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) &&
 550                         (dev->dmasound.priv_data != NULL) )
 551                 {
 552                         if (irq_debug > 1)
 553                                 printk(KERN_DEBUG "%s/irq: ignoring interrupt for DMA sound\n",
 554                                        dev->name);
 555                         goto out;
 556                 }
 557
 558                 handled = 1;
 559                 saa_writel(SAA7134_IRQ_REPORT,report);
 560                 if (irq_debug)
 561                         print_irqstatus(dev,loop,report,status);
 562
 563
 564                 if (report & SAA7134_IRQ_REPORT_RDCAP /* _INTL */)
 565                         saa7134_irq_video_intl(dev);
 566
 567                 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
 568                     (status & 0x60) == 0)
 569                         saa7134_irq_video_done(dev,status);
 570
 571                 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
 572                     (status & 0x40) == 0x40)
 573                         saa7134_irq_vbi_done(dev,status);
 574
 575                 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
 576                     card_has_mpeg(dev))
 577                         saa7134_irq_ts_done(dev,status);
 578
 579                 if (report & SAA7134_IRQ_REPORT_GPIO16) {
 580                         switch (dev->has_remote) {
 581                                 case SAA7134_REMOTE_GPIO:
 582                                         if (!dev->remote)
 583                                                 break;
 584                                         if  (dev->remote->mask_keydown & 0x10000) {
 585                                                 saa7134_input_irq(dev);
 586                                         }
 587                                         break;
 588
 589                                 case SAA7134_REMOTE_I2C:
 590                                         break;                  /* FIXME: invoke I2C get_key() */
 591
 592                                 default:                        /* GPIO16 not used by IR remote */
 593                                         break;
 594                         }
 595                 }
 596
 597                 if (report & SAA7134_IRQ_REPORT_GPIO18) {
 598                         switch (dev->has_remote) {
 599                                 case SAA7134_REMOTE_GPIO:
 600                                         if (!dev->remote)
 601                                                 break;
 602                                         if ((dev->remote->mask_keydown & 0x40000) ||
 603                                             (dev->remote->mask_keyup & 0x40000)) {
 604                                                 saa7134_input_irq(dev);
 605                                         }
 606                                         break;
 607
 608                                 case SAA7134_REMOTE_I2C:
 609                                         break;                  /* FIXME: invoke I2C get_key() */
 610
 611                                 default:                        /* GPIO18 not used by IR remote */
 612                                         break;
 613                         }
 614                 }
 615         }
 616
 617         if (10 == loop) {
 618                 print_irqstatus(dev,loop,report,status);
 619                 if (report & SAA7134_IRQ_REPORT_PE) {
 620                         /* disable all parity error */
 621                         printk(KERN_WARNING "%s/irq: looping -- "
 622                                "clearing PE (parity error!) enable bit\n",dev->name);
 623                         saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
 624                 } else if (report & SAA7134_IRQ_REPORT_GPIO16) {
 625                         /* disable gpio16 IRQ */
 626                         printk(KERN_WARNING "%s/irq: looping -- "
 627                                "clearing GPIO16 enable bit\n",dev->name);
 628                         saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16);
 629                 } else if (report & SAA7134_IRQ_REPORT_GPIO18) {
 630                         /* disable gpio18 IRQs */
 631                         printk(KERN_WARNING "%s/irq: looping -- "
 632                                "clearing GPIO18 enable bit\n",dev->name);
 633                         saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18);
 634                 } else {
 635                         /* disable all irqs */
 636                         printk(KERN_WARNING "%s/irq: looping -- "
 637                                "clearing all enable bits\n",dev->name);
 638                         saa_writel(SAA7134_IRQ1,0);
 639                         saa_writel(SAA7134_IRQ2,0);
 640                 }
 641         }
 642
 643  out:
 644         return IRQ_RETVAL(handled);
 645 }
 646
 647 /* ------------------------------------------------------------------ */
 648
 649 /* early init (no i2c, no irq) */
 650 static int saa7134_hwinit1(struct saa7134_dev *dev)
 651 {
 652         dprintk("hwinit1\n");
 653
 654         saa_writel(SAA7134_IRQ1, 0);
 655         saa_writel(SAA7134_IRQ2, 0);
 656         mutex_init(&dev->lock);
 657         spin_lock_init(&dev->slock);
 658
 659         saa7134_track_gpio(dev,"pre-init");
 660         saa7134_video_init1(dev);
 661         saa7134_vbi_init1(dev);
 662         if (card_has_mpeg(dev))
 663                 saa7134_ts_init1(dev);
 664         saa7134_input_init1(dev);
 665
 666         /* RAM FIFO config */
 667         saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
 668         saa_writel(SAA7134_THRESHOULD,0x02020202);
 669
 670         /* enable audio + video processing */
 671         saa_writel(SAA7134_MAIN_CTRL,
 672                    SAA7134_MAIN_CTRL_VPLLE |
 673                    SAA7134_MAIN_CTRL_APLLE |
 674                    SAA7134_MAIN_CTRL_EXOSC |
 675                    SAA7134_MAIN_CTRL_EVFE1 |
 676                    SAA7134_MAIN_CTRL_EVFE2 |
 677                    SAA7134_MAIN_CTRL_ESFE  |
 678                    SAA7134_MAIN_CTRL_EBDAC);
 679
 680         /*
 681          * Initialize OSS _after_ enabling audio clock PLL and audio processing.
 682          * OSS initialization writes to registers via the audio DSP; these
 683          * writes will fail unless the audio clock has been started.  At worst,
 684          * audio will not work.
 685          */
 686
 687         /* enable peripheral devices */
 688         saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
 689
 690         /* set vertical line numbering start (vbi needs this) */
 691         saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
 692
 693         return 0;
 694 }
 695
 696 /* late init (with i2c + irq) */
 697 static int saa7134_hwinit2(struct saa7134_dev *dev)
 698 {
 699         unsigned int irq2_mask;
 700         dprintk("hwinit2\n");
 701
 702         saa7134_video_init2(dev);
 703         saa7134_tvaudio_init2(dev);
 704
 705         /* enable IRQ's */
 706         irq2_mask =
 707                 SAA7134_IRQ2_INTE_DEC3    |
 708                 SAA7134_IRQ2_INTE_DEC2    |
 709                 SAA7134_IRQ2_INTE_DEC1    |
 710                 SAA7134_IRQ2_INTE_DEC0    |
 711                 SAA7134_IRQ2_INTE_PE      |
 712                 SAA7134_IRQ2_INTE_AR;
 713
 714         if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) {
 715                 if (dev->remote->mask_keydown & 0x10000)
 716                         irq2_mask |= SAA7134_IRQ2_INTE_GPIO16;
 717                 else if (dev->remote->mask_keydown & 0x40000)
 718                         irq2_mask |= SAA7134_IRQ2_INTE_GPIO18;
 719                 else if (dev->remote->mask_keyup & 0x40000)
 720                         irq2_mask |= SAA7134_IRQ2_INTE_GPIO18A;
 721         }
 722
 723         saa_writel(SAA7134_IRQ1, 0);
 724         saa_writel(SAA7134_IRQ2, irq2_mask);
 725
 726         return 0;
 727 }
 728
 729 /* shutdown */
 730 static int saa7134_hwfini(struct saa7134_dev *dev)
 731 {
 732         dprintk("hwfini\n");
 733
 734         if (card_has_mpeg(dev))
 735                 saa7134_ts_fini(dev);
 736         saa7134_input_fini(dev);
 737         saa7134_vbi_fini(dev);
 738         saa7134_tvaudio_fini(dev);
 739         return 0;
 740 }
 741
 742 static void __devinit must_configure_manually(void)
 743 {
 744         unsigned int i,p;
 745
 746         printk(KERN_WARNING
 747                "saa7134: <rant>\n"
 748                "saa7134:  Congratulations!  Your TV card vendor saved a few\n"
 749                "saa7134:  cents for a eeprom, thus your pci board has no\n"
 750                "saa7134:  subsystem ID and I can't identify it automatically\n"
 751                "saa7134: </rant>\n"
 752                "saa7134: I feel better now.  Ok, here are the good news:\n"
 753                "saa7134: You can use the card=<nr> insmod option to specify\n"
 754                "saa7134: which board do you have.  The list:\n");
 755         for (i = 0; i < saa7134_bcount; i++) {
 756                 printk(KERN_WARNING "saa7134:   card=%d -> %-40.40s",
 757                        i,saa7134_boards[i].name);
 758                 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
 759                         if (saa7134_pci_tbl[p].driver_data != i)
 760                                 continue;
 761                         printk(" %04x:%04x",
 762                                saa7134_pci_tbl[p].subvendor,
 763                                saa7134_pci_tbl[p].subdevice);
 764                 }
 765                 printk("\n");
 766         }
 767 }
 768
 769 static struct video_device *vdev_init(struct saa7134_dev *dev,
 770                                       struct video_device *template,
 771                                       char *type)
 772 {
 773         struct video_device *vfd;
 774
 775         vfd = video_device_alloc();
 776         if (NULL == vfd)
 777                 return NULL;
 778         *vfd = *template;
 779         vfd->minor   = -1;
 780         vfd->dev     = &dev->pci->dev;
 781         vfd->release = video_device_release;
 782         snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
 783                  dev->name, type, saa7134_boards[dev->board].name);
 784         return vfd;
 785 }
 786
 787 static void saa7134_unregister_video(struct saa7134_dev *dev)
 788 {
 789         if (dev->video_dev) {
 790                 if (-1 != dev->video_dev->minor)
 791                         video_unregister_device(dev->video_dev);
 792                 else
 793                         video_device_release(dev->video_dev);
 794                 dev->video_dev = NULL;
 795         }
 796         if (dev->vbi_dev) {
 797                 if (-1 != dev->vbi_dev->minor)
 798                         video_unregister_device(dev->vbi_dev);
 799                 else
 800                         video_device_release(dev->vbi_dev);
 801                 dev->vbi_dev = NULL;
 802         }
 803         if (dev->radio_dev) {
 804                 if (-1 != dev->radio_dev->minor)
 805                         video_unregister_device(dev->radio_dev);
 806                 else
 807                         video_device_release(dev->radio_dev);
 808                 dev->radio_dev = NULL;
 809         }
 810 }
 811
 812 static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
 813                             struct saa7134_dev *dev)
 814 {
 815         int err;
 816
 817         if (NULL != dev->mops)
 818                 return;
 819         if (saa7134_boards[dev->board].mpeg != ops->type)
 820                 return;
 821         err = ops->init(dev);
 822         if (0 != err)
 823                 return;
 824         dev->mops = ops;
 825 }
 826
 827 static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
 828                             struct saa7134_dev *dev)
 829 {
 830         if (NULL == dev->mops)
 831                 return;
 832         if (dev->mops != ops)
 833                 return;
 834         dev->mops->fini(dev);
 835         dev->mops = NULL;
 836 }
 837
 838 static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
 839                                      const struct pci_device_id *pci_id)
 840 {
 841         struct saa7134_dev *dev;
 842         struct list_head *item;
 843         struct saa7134_mpeg_ops *mops;
 844         int err;
 845
 846         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
 847         if (NULL == dev)
 848                 return -ENOMEM;
 849
 850         /* pci init */
 851         dev->pci = pci_dev;
 852         if (pci_enable_device(pci_dev)) {
 853                 err = -EIO;
 854                 goto fail1;
 855         }
 856
 857         dev->nr = saa7134_devcount;
 858         sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr);
 859
 860         /* pci quirks */
 861         if (pci_pci_problems) {
 862                 if (pci_pci_problems & PCIPCI_TRITON)
 863                         printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name);
 864                 if (pci_pci_problems & PCIPCI_NATOMA)
 865                         printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name);
 866                 if (pci_pci_problems & PCIPCI_VIAETBF)
 867                         printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name);
 868                 if (pci_pci_problems & PCIPCI_VSFX)
 869                         printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name);
 870 #ifdef PCIPCI_ALIMAGIK
 871                 if (pci_pci_problems & PCIPCI_ALIMAGIK) {
 872                         printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
 873                                dev->name);
 874                         latency = 0x0A;
 875                 }
 876 #endif
 877                 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) {
 878                         printk(KERN_INFO "%s: quirk: this driver and your "
 879                                         "chipset may not work together"
 880                                         " in overlay mode.\n",dev->name);
 881                         if (!saa7134_no_overlay) {
 882                                 printk(KERN_INFO "%s: quirk: overlay "
 883                                                 "mode will be disabled.\n",
 884                                                 dev->name);
 885                                 saa7134_no_overlay = 1;
 886                         } else {
 887                                 printk(KERN_INFO "%s: quirk: overlay "
 888                                                 "mode will be forced. Use this"
 889                                                 " option at your own risk.\n",
 890                                                 dev->name);
 891                         }
 892                 }
 893         }
 894         if (UNSET != latency) {
 895                 printk(KERN_INFO "%s: setting pci latency timer to %d\n",
 896                        dev->name,latency);
 897                 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
 898         }
 899
 900         /* print pci info */
 901         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
 902         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
 903         printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, "
 904                "latency: %d, mmio: 0x%llx\n", dev->name,
 905                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
 906                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
 907         pci_set_master(pci_dev);
 908         if (!pci_dma_supported(pci_dev, DMA_32BIT_MASK)) {
 909                 printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name);
 910                 err = -EIO;
 911                 goto fail1;
 912         }
 913
 914         /* board config */
 915         dev->board = pci_id->driver_data;
 916         if (card[dev->nr] >= 0 &&
 917             card[dev->nr] < saa7134_bcount)
 918                 dev->board = card[dev->nr];
 919         if (SAA7134_BOARD_NOAUTO == dev->board) {
 920                 must_configure_manually();
 921                 dev->board = SAA7134_BOARD_UNKNOWN;
 922         }
 923         dev->autodetected = card[dev->nr] != dev->board;
 924         dev->tuner_type   = saa7134_boards[dev->board].tuner_type;
 925         dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
 926         if (UNSET != tuner[dev->nr])
 927                 dev->tuner_type = tuner[dev->nr];
 928                 printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
 929                 dev->name,pci_dev->subsystem_vendor,
 930                 pci_dev->subsystem_device,saa7134_boards[dev->board].name,
 931                 dev->board, dev->autodetected ?
 932                 "autodetected" : "insmod option");
 933
 934         /* get mmio */
 935         if (!request_mem_region(pci_resource_start(pci_dev,0),
 936                                 pci_resource_len(pci_dev,0),
 937                                 dev->name)) {
 938                 err = -EBUSY;
 939                 printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n",
 940                        dev->name,(unsigned long long)pci_resource_start(pci_dev,0));
 941                 goto fail1;
 942         }
 943         dev->lmmio = ioremap(pci_resource_start(pci_dev,0), 0x1000);
 944         dev->bmmio = (__u8 __iomem *)dev->lmmio;
 945         if (NULL == dev->lmmio) {
 946                 err = -EIO;
 947                 printk(KERN_ERR "%s: can't ioremap() MMIO memory\n",
 948                        dev->name);
 949                 goto fail2;
 950         }
 951
 952         /* initialize hardware #1 */
 953         saa7134_board_init1(dev);
 954         saa7134_hwinit1(dev);
 955
 956         /* get irq */
 957         err = request_irq(pci_dev->irq, saa7134_irq,
 958                           IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
 959         if (err < 0) {
 960                 printk(KERN_ERR "%s: can't get IRQ %d\n",
 961                        dev->name,pci_dev->irq);
 962                 goto fail3;
 963         }
 964
 965         /* wait a bit, register i2c bus */
 966         msleep(100);
 967         saa7134_i2c_register(dev);
 968
 969         /* initialize hardware #2 */
 970         saa7134_board_init2(dev);
 971         saa7134_hwinit2(dev);
 972
 973         /* load i2c helpers */
 974         if (TUNER_ABSENT != dev->tuner_type)
 975                 request_module("tuner");
 976         if (card_is_empress(dev)) {
 977                 request_module("saa6752hs");
 978         }
 979
 980         request_submodules(dev);
 981
 982         v4l2_prio_init(&dev->prio);
 983
 984         /* register v4l devices */
 985         if (saa7134_no_overlay <= 0) {
 986                 saa7134_video_template.type |= VID_TYPE_OVERLAY;
 987         } else {
 988                 printk("%s: Overlay support disabled.\n",dev->name);
 989         }
 990         dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
 991         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
 992                                     video_nr[dev->nr]);
 993         if (err < 0) {
 994                 printk(KERN_INFO "%s: can't register video device\n",
 995                        dev->name);
 996                 goto fail4;
 997         }
 998         printk(KERN_INFO "%s: registered device video%d [v4l2]\n",
 999                dev->name,dev->video_dev->minor & 0x1f);
1000
1001         dev->vbi_dev = vdev_init(dev,&saa7134_vbi_template,"vbi");
1002         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1003                                     vbi_nr[dev->nr]);
1004         if (err < 0)
1005                 goto fail4;
1006         printk(KERN_INFO "%s: registered device vbi%d\n",
1007                dev->name,dev->vbi_dev->minor & 0x1f);
1008
1009         if (card_has_radio(dev)) {
1010                 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
1011                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1012                                             radio_nr[dev->nr]);
1013                 if (err < 0)
1014                         goto fail4;
1015                 printk(KERN_INFO "%s: registered device radio%d\n",
1016                        dev->name,dev->radio_dev->minor & 0x1f);
1017         }
1018
1019         /* everything worked */
1020         pci_set_drvdata(pci_dev,dev);
1021         saa7134_devcount++;
1022
1023         mutex_lock(&devlist_lock);
1024         list_for_each(item,&mops_list) {
1025                 mops = list_entry(item, struct saa7134_mpeg_ops, next);
1026                 mpeg_ops_attach(mops, dev);
1027         }
1028         list_add_tail(&dev->devlist,&saa7134_devlist);
1029         mutex_unlock(&devlist_lock);
1030
1031         /* check for signal */
1032         saa7134_irq_video_intl(dev);
1033
1034         if (saa7134_dmasound_init && !dev->dmasound.priv_data) {
1035                 saa7134_dmasound_init(dev);
1036         }
1037
1038         if (TUNER_ABSENT != dev->tuner_type)
1039                 saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
1040
1041         return 0;
1042
1043  fail4:
1044         saa7134_unregister_video(dev);
1045         saa7134_i2c_unregister(dev);
1046         free_irq(pci_dev->irq, dev);
1047  fail3:
1048         saa7134_hwfini(dev);
1049         iounmap(dev->lmmio);
1050  fail2:
1051         release_mem_region(pci_resource_start(pci_dev,0),
1052                            pci_resource_len(pci_dev,0));
1053  fail1:
1054         kfree(dev);
1055         return err;
1056 }
1057
1058 static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
1059 {
1060         struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
1061         struct list_head *item;
1062         struct saa7134_mpeg_ops *mops;
1063
1064         /* Release DMA sound modules if present */
1065         if (saa7134_dmasound_exit && dev->dmasound.priv_data) {
1066                 saa7134_dmasound_exit(dev);
1067         }
1068
1069         /* debugging ... */
1070         if (irq_debug) {
1071                 u32 report = saa_readl(SAA7134_IRQ_REPORT);
1072                 u32 status = saa_readl(SAA7134_IRQ_STATUS);
1073                 print_irqstatus(dev,42,report,status);
1074         }
1075
1076         /* disable peripheral devices */
1077         saa_writeb(SAA7134_SPECIAL_MODE,0);
1078
1079         /* shutdown hardware */
1080         saa_writel(SAA7134_IRQ1,0);
1081         saa_writel(SAA7134_IRQ2,0);
1082         saa_writel(SAA7134_MAIN_CTRL,0);
1083
1084         /* shutdown subsystems */
1085         saa7134_hwfini(dev);
1086
1087         /* unregister */
1088         mutex_lock(&devlist_lock);
1089         list_del(&dev->devlist);
1090         list_for_each(item,&mops_list) {
1091                 mops = list_entry(item, struct saa7134_mpeg_ops, next);
1092                 mpeg_ops_detach(mops, dev);
1093         }
1094         mutex_unlock(&devlist_lock);
1095         saa7134_devcount--;
1096
1097         saa7134_i2c_unregister(dev);
1098         saa7134_unregister_video(dev);
1099
1100
1101         /* the DMA sound modules should be unloaded before reaching
1102            this, but just in case they are still present... */
1103         if (dev->dmasound.priv_data != NULL) {
1104                 free_irq(pci_dev->irq, &dev->dmasound);
1105                 dev->dmasound.priv_data = NULL;
1106         }
1107
1108
1109         /* release resources */
1110         free_irq(pci_dev->irq, dev);
1111         iounmap(dev->lmmio);
1112         release_mem_region(pci_resource_start(pci_dev,0),
1113                            pci_resource_len(pci_dev,0));
1114
1115         pci_set_drvdata(pci_dev, NULL);
1116
1117         /* free memory */
1118         kfree(dev);
1119 }
1120
1121 /* ----------------------------------------------------------- */
1122
1123 int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1124 {
1125         struct list_head *item;
1126         struct saa7134_dev *dev;
1127
1128         mutex_lock(&devlist_lock);
1129         list_for_each(item,&saa7134_devlist) {
1130                 dev = list_entry(item, struct saa7134_dev, devlist);
1131                 mpeg_ops_attach(ops, dev);
1132         }
1133         list_add_tail(&ops->next,&mops_list);
1134         mutex_unlock(&devlist_lock);
1135         return 0;
1136 }
1137
1138 void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1139 {
1140         struct list_head *item;
1141         struct saa7134_dev *dev;
1142
1143         mutex_lock(&devlist_lock);
1144         list_del(&ops->next);
1145         list_for_each(item,&saa7134_devlist) {
1146                 dev = list_entry(item, struct saa7134_dev, devlist);
1147                 mpeg_ops_detach(ops, dev);
1148         }
1149         mutex_unlock(&devlist_lock);
1150 }
1151
1152 EXPORT_SYMBOL(saa7134_ts_register);
1153 EXPORT_SYMBOL(saa7134_ts_unregister);
1154
1155 /* ----------------------------------------------------------- */
1156
1157 static struct pci_driver saa7134_pci_driver = {
1158         .name     = "saa7134",
1159         .id_table = saa7134_pci_tbl,
1160         .probe    = saa7134_initdev,
1161         .remove   = __devexit_p(saa7134_finidev),
1162 };
1163
1164 static int saa7134_init(void)
1165 {
1166         INIT_LIST_HEAD(&saa7134_devlist);
1167         printk(KERN_INFO "saa7130/34: v4l2 driver version %d.%d.%d loaded\n",
1168                (SAA7134_VERSION_CODE >> 16) & 0xff,
1169                (SAA7134_VERSION_CODE >>  8) & 0xff,
1170                SAA7134_VERSION_CODE & 0xff);
1171 #ifdef SNAPSHOT
1172         printk(KERN_INFO "saa7130/34: snapshot date %04d-%02d-%02d\n",
1173                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1174 #endif
1175         return pci_register_driver(&saa7134_pci_driver);
1176 }
1177
1178 static void saa7134_fini(void)
1179 {
1180         pci_unregister_driver(&saa7134_pci_driver);
1181 }
1182
1183 module_init(saa7134_init);
1184 module_exit(saa7134_fini);
1185
1186 /* ----------------------------------------------------------- */
1187
1188 EXPORT_SYMBOL(saa7134_set_gpio);
1189 EXPORT_SYMBOL(saa7134_i2c_call_clients);
1190 EXPORT_SYMBOL(saa7134_devlist);
1191 EXPORT_SYMBOL(saa7134_boards);
1192
1193 /* ----------------- for the DMA sound modules --------------- */
1194
1195 EXPORT_SYMBOL(saa7134_dmasound_init);
1196 EXPORT_SYMBOL(saa7134_dmasound_exit);
1197 EXPORT_SYMBOL(saa7134_pgtable_free);
1198 EXPORT_SYMBOL(saa7134_pgtable_build);
1199 EXPORT_SYMBOL(saa7134_pgtable_alloc);
1200 EXPORT_SYMBOL(saa7134_set_dmabits);
1201
1202 /* ----------------------------------------------------------- */
1203 /*
1204  * Local variables:
1205  * c-basic-offset: 8
1206  * End:
1207  */