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

   1 /*
   2  * $Id: saa7134-core.c,v 1.15 2004/11/07 14:44:59 kraxel Exp $
   3  *
   4  * device driver for philips saa7134 based TV cards
   5  * driver core
   6  *
   7  * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, write to the Free Software
  21  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22  */
  23
  24 #include <linux/init.h>
  25 #include <linux/list.h>
  26 #include <linux/module.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
  34 #include "saa7134-reg.h"
  35 #include "saa7134.h"
  36
  37 MODULE_DESCRIPTION("v4l2 driver module for saa7130/34 based TV cards");
  38 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  39 MODULE_LICENSE("GPL");
  40
  41 /* ------------------------------------------------------------------ */
  42
  43 static unsigned int irq_debug = 0;
  44 module_param(irq_debug, int, 0644);
  45 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  46
  47 static unsigned int core_debug = 0;
  48 module_param(core_debug, int, 0644);
  49 MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
  50
  51 static unsigned int gpio_tracking = 0;
  52 module_param(gpio_tracking, int, 0644);
  53 MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]");
  54
  55 static unsigned int oss = 0;
  56 module_param(oss, int, 0444);
  57 MODULE_PARM_DESC(oss,"register oss devices (default: no)");
  58
  59 static unsigned int latency = UNSET;
  60 module_param(latency, int, 0444);
  61 MODULE_PARM_DESC(latency,"pci latency timer");
  62
  63 static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  64 static unsigned int vbi_nr[]   = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  65 static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  66 static unsigned int dsp_nr[]   = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  67 static unsigned int mixer_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  68 static unsigned int tuner[]    = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  69 static unsigned int card[]     = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  70
  71 module_param_array(video_nr, int, NULL, 0444);
  72 module_param_array(vbi_nr,   int, NULL, 0444);
  73 module_param_array(radio_nr, int, NULL, 0444);
  74 module_param_array(dsp_nr,   int, NULL, 0444);
  75 module_param_array(mixer_nr, int, NULL, 0444);
  76 module_param_array(tuner,    int, NULL, 0444);
  77 module_param_array(card,     int, NULL, 0444);
  78
  79 MODULE_PARM_DESC(video_nr, "video device number");
  80 MODULE_PARM_DESC(vbi_nr,   "vbi device number");
  81 MODULE_PARM_DESC(radio_nr, "radio device number");
  82 MODULE_PARM_DESC(dsp_nr,   "oss dsp device number");
  83 MODULE_PARM_DESC(mixer_nr, "oss mixer device number");
  84 MODULE_PARM_DESC(tuner,    "tuner type");
  85 MODULE_PARM_DESC(card,     "card type");
  86
  87 static DECLARE_MUTEX(devlist_lock);
  88 LIST_HEAD(saa7134_devlist);
  89 static LIST_HEAD(mops_list);
  90 unsigned int saa7134_devcount;
  91
  92 #define dprintk(fmt, arg...)    if (core_debug) \
  93         printk(KERN_DEBUG "%s/core: " fmt, dev->name , ## arg)
  94
  95 /* ------------------------------------------------------------------ */
  96 /* debug help functions                                               */
  97
  98 static const char *v4l1_ioctls[] = {
  99         "0", "GCAP", "GCHAN", "SCHAN", "GTUNER", "STUNER", "GPICT", "SPICT",
 100         "CCAPTURE", "GWIN", "SWIN", "GFBUF", "SFBUF", "KEY", "GFREQ",
 101         "SFREQ", "GAUDIO", "SAUDIO", "SYNC", "MCAPTURE", "GMBUF", "GUNIT",
 102         "GCAPTURE", "SCAPTURE", "SPLAYMODE", "SWRITEMODE", "GPLAYINFO",
 103         "SMICROCODE", "GVBIFMT", "SVBIFMT" };
 104 #define V4L1_IOCTLS ARRAY_SIZE(v4l1_ioctls)
 105
 106 static const char *v4l2_ioctls[] = {
 107         "QUERYCAP", "1", "ENUM_PIXFMT", "ENUM_FBUFFMT", "G_FMT", "S_FMT",
 108         "G_COMP", "S_COMP", "REQBUFS", "QUERYBUF", "G_FBUF", "S_FBUF",
 109         "G_WIN", "S_WIN", "PREVIEW", "QBUF", "16", "DQBUF", "STREAMON",
 110         "STREAMOFF", "G_PERF", "G_PARM", "S_PARM", "G_STD", "S_STD",
 111         "ENUMSTD", "ENUMINPUT", "G_CTRL", "S_CTRL", "G_TUNER", "S_TUNER",
 112         "G_FREQ", "S_FREQ", "G_AUDIO", "S_AUDIO", "35", "QUERYCTRL",
 113         "QUERYMENU", "G_INPUT", "S_INPUT", "ENUMCVT", "41", "42", "43",
 114         "44", "45",  "G_OUTPUT", "S_OUTPUT", "ENUMOUTPUT", "G_AUDOUT",
 115         "S_AUDOUT", "ENUMFX", "G_EFFECT", "S_EFFECT", "G_MODULATOR",
 116         "S_MODULATOR"
 117 };
 118 #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)
 119
 120 static const char *osspcm_ioctls[] = {
 121         "RESET", "SYNC", "SPEED", "STEREO", "GETBLKSIZE", "SETFMT",
 122         "CHANNELS", "?", "POST", "SUBDIVIDE", "SETFRAGMENT", "GETFMTS",
 123         "GETOSPACE", "GETISPACE", "NONBLOCK", "GETCAPS", "GET/SETTRIGGER",
 124         "GETIPTR", "GETOPTR", "MAPINBUF", "MAPOUTBUF", "SETSYNCRO",
 125         "SETDUPLEX", "GETODELAY"
 126 };
 127 #define OSSPCM_IOCTLS ARRAY_SIZE(v4l2_ioctls)
 128
 129 void saa7134_print_ioctl(char *name, unsigned int cmd)
 130 {
 131         char *dir;
 132
 133         switch (_IOC_DIR(cmd)) {
 134         case _IOC_NONE:              dir = "--"; break;
 135         case _IOC_READ:              dir = "r-"; break;
 136         case _IOC_WRITE:             dir = "-w"; break;
 137         case _IOC_READ | _IOC_WRITE: dir = "rw"; break;
 138         default:                     dir = "??"; break;
 139         }
 140         switch (_IOC_TYPE(cmd)) {
 141         case 'v':
 142                 printk(KERN_DEBUG "%s: ioctl 0x%08x (v4l1, %s, VIDIOC%s)\n",
 143                        name, cmd, dir, (_IOC_NR(cmd) < V4L1_IOCTLS) ?
 144                        v4l1_ioctls[_IOC_NR(cmd)] : "???");
 145                 break;
 146         case 'V':
 147                 printk(KERN_DEBUG "%s: ioctl 0x%08x (v4l2, %s, VIDIOC_%s)\n",
 148                        name, cmd, dir, (_IOC_NR(cmd) < V4L2_IOCTLS) ?
 149                        v4l2_ioctls[_IOC_NR(cmd)] : "???");
 150                 break;
 151         case 'P':
 152                 printk(KERN_DEBUG "%s: ioctl 0x%08x (oss dsp, %s, SNDCTL_DSP_%s)\n",
 153                        name, cmd, dir, (_IOC_NR(cmd) < OSSPCM_IOCTLS) ?
 154                        osspcm_ioctls[_IOC_NR(cmd)] : "???");
 155                 break;
 156         case 'M':
 157                 printk(KERN_DEBUG "%s: ioctl 0x%08x (oss mixer, %s, #%d)\n",
 158                        name, cmd, dir, _IOC_NR(cmd));
 159                 break;
 160         default:
 161                 printk(KERN_DEBUG "%s: ioctl 0x%08x (???, %s, #%d)\n",
 162                        name, cmd, dir, _IOC_NR(cmd));
 163         }
 164 }
 165
 166 void saa7134_track_gpio(struct saa7134_dev *dev, char *msg)
 167 {
 168         unsigned long mode,status;
 169
 170         if (!gpio_tracking)
 171                 return;
 172         /* rising SAA7134_GPIO_GPRESCAN reads the status */
 173         saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0);
 174         saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN);
 175         mode   = saa_readl(SAA7134_GPIO_GPMODE0   >> 2) & 0xfffffff;
 176         status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff;
 177         printk(KERN_DEBUG
 178                "%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n",
 179                dev->name, mode, (~mode) & status, mode & status, msg);
 180 }
 181
 182 /* ------------------------------------------------------------------ */
 183
 184 #if 0
 185 static char *dec1_bits[8] = {
 186         "DCSTD0", "DCSCT1", "WIPA", "GLIMB",
 187         "GLIMT", "SLTCA", "HLCK"
 188 };
 189 static char *dec2_bits[8] = {
 190         "RDCAP", "COPRO", "COLSTR", "TYPE3",
 191         NULL, "FIDT", "HLVLN", "INTL"
 192 };
 193 static char *scale1_bits[8] = {
 194         "VID_A", "VBI_A", NULL, NULL, "VID_B", "VBI_B"
 195 };
 196 static char *scale2_bits[8] = {
 197         "TRERR", "CFERR", "LDERR", "WASRST",
 198         "FIDSCI", "FIDSCO", "D6^D5", "TASK"
 199 };
 200
 201 static void dump_statusreg(struct saa7134_dev *dev, int reg,
 202                            char *regname, char **bits)
 203 {
 204         int value,i;
 205
 206         value = saa_readb(reg);
 207         printk(KERN_DEBUG "%s: %s:", dev->name, regname);
 208         for (i = 7; i >= 0; i--) {
 209                 if (NULL == bits[i])
 210                         continue;
 211                 printk(" %s=%d", bits[i], (value & (1 << i)) ? 1 : 0);
 212         }
 213         printk("\n");
 214 }
 215
 216 static void dump_statusregs(struct saa7134_dev *dev)
 217 {
 218         dump_statusreg(dev,SAA7134_STATUS_VIDEO1,"dec1",dec1_bits);
 219         dump_statusreg(dev,SAA7134_STATUS_VIDEO2,"dec2",dec2_bits);
 220         dump_statusreg(dev,SAA7134_SCALER_STATUS0,"scale0",scale1_bits);
 221         dump_statusreg(dev,SAA7134_SCALER_STATUS1,"scale1",scale2_bits);
 222 }
 223 #endif
 224
 225 /* ------------------------------------------------------------------ */
 226
 227 /* nr of (saa7134-)pages for the given buffer size */
 228 int saa7134_buffer_pages(int size)
 229 {
 230         size  = PAGE_ALIGN(size);
 231         size += PAGE_SIZE; /* for non-page-aligned buffers */
 232         size /= 4096;
 233         return size;
 234 }
 235
 236 /* calc max # of buffers from size (must not exceed the 4MB virtual
 237  * address space per DMA channel) */
 238 int saa7134_buffer_count(unsigned int size, unsigned int count)
 239 {
 240         unsigned int maxcount;
 241
 242         maxcount = 1024 / saa7134_buffer_pages(size);
 243         if (count > maxcount)
 244                 count = maxcount;
 245         return count;
 246 }
 247
 248 int saa7134_buffer_startpage(struct saa7134_buf *buf)
 249 {
 250         return saa7134_buffer_pages(buf->vb.bsize) * buf->vb.i;
 251 }
 252
 253 unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
 254 {
 255         unsigned long base;
 256
 257         base  = saa7134_buffer_startpage(buf) * 4096;
 258         base += buf->vb.dma.sglist[0].offset;
 259         return base;
 260 }
 261
 262 /* ------------------------------------------------------------------ */
 263
 264 int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt)
 265 {
 266         u32          *cpu;
 267         dma_addr_t   dma_addr;
 268
 269         cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr);
 270         if (NULL == cpu)
 271                 return -ENOMEM;
 272         pt->size = SAA7134_PGTABLE_SIZE;
 273         pt->cpu  = cpu;
 274         pt->dma  = dma_addr;
 275         return 0;
 276 }
 277
 278 int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
 279                           struct scatterlist *list, unsigned int length,
 280                           unsigned int startpage)
 281 {
 282         u32           *ptr;
 283         unsigned int  i,p;
 284
 285         BUG_ON(NULL == pt || NULL == pt->cpu);
 286
 287         ptr = pt->cpu + startpage;
 288         for (i = 0; i < length; i++, list++)
 289                 for (p = 0; p * 4096 < list->length; p++, ptr++)
 290                         *ptr = sg_dma_address(list) - list->offset;
 291         return 0;
 292 }
 293
 294 void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt)
 295 {
 296         if (NULL == pt->cpu)
 297                 return;
 298         pci_free_consistent(pci, pt->size, pt->cpu, pt->dma);
 299         pt->cpu = NULL;
 300 }
 301
 302 /* ------------------------------------------------------------------ */
 303
 304 void saa7134_dma_free(struct saa7134_dev *dev,struct saa7134_buf *buf)
 305 {
 306         if (in_interrupt())
 307                 BUG();
 308
 309         videobuf_waiton(&buf->vb,0,0);
 310         videobuf_dma_pci_unmap(dev->pci, &buf->vb.dma);
 311         videobuf_dma_free(&buf->vb.dma);
 312         buf->vb.state = STATE_NEEDS_INIT;
 313 }
 314
 315 /* ------------------------------------------------------------------ */
 316
 317 int saa7134_buffer_queue(struct saa7134_dev *dev,
 318                          struct saa7134_dmaqueue *q,
 319                          struct saa7134_buf *buf)
 320 {
 321         struct saa7134_buf *next = NULL;
 322 #ifdef DEBUG_SPINLOCKS
 323         BUG_ON(!spin_is_locked(&dev->slock));
 324 #endif
 325
 326         dprintk("buffer_queue %p\n",buf);
 327         if (NULL == q->curr) {
 328                 if (!q->need_two) {
 329                         q->curr = buf;
 330                         buf->activate(dev,buf,NULL);
 331                 } else if (list_empty(&q->queue)) {
 332                         list_add_tail(&buf->vb.queue,&q->queue);
 333                         buf->vb.state = STATE_QUEUED;
 334                 } else {
 335                         next = list_entry(q->queue.next,struct saa7134_buf,
 336                                           vb.queue);
 337                         q->curr = buf;
 338                         buf->activate(dev,buf,next);
 339                 }
 340         } else {
 341                 list_add_tail(&buf->vb.queue,&q->queue);
 342                 buf->vb.state = STATE_QUEUED;
 343         }
 344         return 0;
 345 }
 346
 347 void saa7134_buffer_finish(struct saa7134_dev *dev,
 348                            struct saa7134_dmaqueue *q,
 349                            unsigned int state)
 350 {
 351 #ifdef DEBUG_SPINLOCKS
 352         BUG_ON(!spin_is_locked(&dev->slock));
 353 #endif
 354         dprintk("buffer_finish %p\n",q->curr);
 355
 356         /* finish current buffer */
 357         q->curr->vb.state = state;
 358         do_gettimeofday(&q->curr->vb.ts);
 359         wake_up(&q->curr->vb.done);
 360         q->curr = NULL;
 361 }
 362
 363 void saa7134_buffer_next(struct saa7134_dev *dev,
 364                          struct saa7134_dmaqueue *q)
 365 {
 366         struct saa7134_buf *buf,*next = NULL;
 367
 368 #ifdef DEBUG_SPINLOCKS
 369         BUG_ON(!spin_is_locked(&dev->slock));
 370 #endif
 371         BUG_ON(NULL != q->curr);
 372
 373         if (!list_empty(&q->queue)) {
 374                 /* activate next one from queue */
 375                 buf = list_entry(q->queue.next,struct saa7134_buf,vb.queue);
 376                 dprintk("buffer_next %p [prev=%p/next=%p]\n",
 377                         buf,q->queue.prev,q->queue.next);
 378                 list_del(&buf->vb.queue);
 379                 if (!list_empty(&q->queue))
 380                         next = list_entry(q->queue.next,struct saa7134_buf,
 381                                           vb.queue);
 382                 q->curr = buf;
 383                 buf->activate(dev,buf,next);
 384                 dprintk("buffer_next #2 prev=%p/next=%p\n",
 385                         q->queue.prev,q->queue.next);
 386         } else {
 387                 /* nothing to do -- just stop DMA */
 388                 dprintk("buffer_next %p\n",NULL);
 389                 saa7134_set_dmabits(dev);
 390                 del_timer(&q->timeout);
 391         }
 392 }
 393
 394 void saa7134_buffer_timeout(unsigned long data)
 395 {
 396         struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue*)data;
 397         struct saa7134_dev *dev = q->dev;
 398         unsigned long flags;
 399
 400         spin_lock_irqsave(&dev->slock,flags);
 401
 402         /* try to reset the hardware (SWRST) */
 403         saa_writeb(SAA7134_REGION_ENABLE, 0x00);
 404         saa_writeb(SAA7134_REGION_ENABLE, 0x80);
 405         saa_writeb(SAA7134_REGION_ENABLE, 0x00);
 406
 407         /* flag current buffer as failed,
 408            try to start over with the next one. */
 409         if (q->curr) {
 410                 dprintk("timeout on %p\n",q->curr);
 411                 saa7134_buffer_finish(dev,q,STATE_ERROR);
 412         }
 413         saa7134_buffer_next(dev,q);
 414         spin_unlock_irqrestore(&dev->slock,flags);
 415 }
 416
 417 /* ------------------------------------------------------------------ */
 418
 419 int saa7134_set_dmabits(struct saa7134_dev *dev)
 420 {
 421         u32 split, task=0, ctrl=0, irq=0;
 422         enum v4l2_field cap = V4L2_FIELD_ANY;
 423         enum v4l2_field ov  = V4L2_FIELD_ANY;
 424
 425 #ifdef DEBUG_SPINLOCKS
 426         BUG_ON(!spin_is_locked(&dev->slock));
 427 #endif
 428
 429         /* video capture -- dma 0 + video task A */
 430         if (dev->video_q.curr) {
 431                 task |= 0x01;
 432                 ctrl |= SAA7134_MAIN_CTRL_TE0;
 433                 irq  |= SAA7134_IRQ1_INTE_RA0_1 |
 434                         SAA7134_IRQ1_INTE_RA0_0;
 435                 cap = dev->video_q.curr->vb.field;
 436         }
 437
 438         /* video capture -- dma 1+2 (planar modes) */
 439         if (dev->video_q.curr &&
 440             dev->video_q.curr->fmt->planar) {
 441                 ctrl |= SAA7134_MAIN_CTRL_TE4 |
 442                         SAA7134_MAIN_CTRL_TE5;
 443         }
 444
 445         /* screen overlay -- dma 0 + video task B */
 446         if (dev->ovenable) {
 447                 task |= 0x10;
 448                 ctrl |= SAA7134_MAIN_CTRL_TE1;
 449                 ov = dev->ovfield;
 450         }
 451
 452         /* vbi capture -- dma 0 + vbi task A+B */
 453         if (dev->vbi_q.curr) {
 454                 task |= 0x22;
 455                 ctrl |= SAA7134_MAIN_CTRL_TE2 |
 456                         SAA7134_MAIN_CTRL_TE3;
 457                 irq  |= SAA7134_IRQ1_INTE_RA0_7 |
 458                         SAA7134_IRQ1_INTE_RA0_6 |
 459                         SAA7134_IRQ1_INTE_RA0_5 |
 460                         SAA7134_IRQ1_INTE_RA0_4;
 461         }
 462
 463         /* audio capture -- dma 3 */
 464         if (dev->oss.dma_running) {
 465                 ctrl |= SAA7134_MAIN_CTRL_TE6;
 466                 irq  |= SAA7134_IRQ1_INTE_RA3_1 |
 467                         SAA7134_IRQ1_INTE_RA3_0;
 468         }
 469
 470         /* TS capture -- dma 5 */
 471         if (dev->ts_q.curr) {
 472                 ctrl |= SAA7134_MAIN_CTRL_TE5;
 473                 irq  |= SAA7134_IRQ1_INTE_RA2_3 |
 474                         SAA7134_IRQ1_INTE_RA2_2 |
 475                         SAA7134_IRQ1_INTE_RA2_1 |
 476                         SAA7134_IRQ1_INTE_RA2_0;
 477         }
 478
 479         /* set task conditions + field handling */
 480         if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
 481                 /* default config -- use full frames */
 482                 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
 483                 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
 484                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A),  0x02);
 485                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B),  0x02);
 486                 split = 0;
 487         } else {
 488                 /* split fields between tasks */
 489                 if (V4L2_FIELD_TOP == cap) {
 490                         /* odd A, even B, repeat */
 491                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
 492                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
 493                 } else {
 494                         /* odd B, even A, repeat */
 495                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
 496                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
 497                 }
 498                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A),  0x01);
 499                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B),  0x01);
 500                 split = 1;
 501         }
 502
 503         /* irqs */
 504         saa_writeb(SAA7134_REGION_ENABLE, task);
 505         saa_writel(SAA7134_IRQ1,          irq);
 506         saa_andorl(SAA7134_MAIN_CTRL,
 507                    SAA7134_MAIN_CTRL_TE0 |
 508                    SAA7134_MAIN_CTRL_TE1 |
 509                    SAA7134_MAIN_CTRL_TE2 |
 510                    SAA7134_MAIN_CTRL_TE3 |
 511                    SAA7134_MAIN_CTRL_TE4 |
 512                    SAA7134_MAIN_CTRL_TE5 |
 513                    SAA7134_MAIN_CTRL_TE6,
 514                    ctrl);
 515         dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
 516                 task, ctrl, irq, split ? "no" : "yes");
 517
 518         return 0;
 519 }
 520
 521 /* ------------------------------------------------------------------ */
 522 /* IRQ handler + helpers                                              */
 523
 524 static char *irqbits[] = {
 525         "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
 526         "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
 527         "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
 528         "GPIO16?", "GPIO18", "GPIO22", "GPIO23"
 529 };
 530 #define IRQBITS ARRAY_SIZE(irqbits)
 531
 532 static void print_irqstatus(struct saa7134_dev *dev, int loop,
 533                             unsigned long report, unsigned long status)
 534 {
 535         unsigned int i;
 536
 537         printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx",
 538                dev->name,loop,jiffies,report,status);
 539         for (i = 0; i < IRQBITS; i++) {
 540                 if (!(report & (1 << i)))
 541                         continue;
 542                 printk(" %s",irqbits[i]);
 543         }
 544         if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
 545                 printk(" | RA0=%s,%s,%s,%ld",
 546                        (status & 0x40) ? "vbi"  : "video",
 547                        (status & 0x20) ? "b"    : "a",
 548                        (status & 0x10) ? "odd"  : "even",
 549                        (status & 0x0f));
 550         }
 551         printk("\n");
 552 }
 553
 554 static irqreturn_t saa7134_irq(int irq, void *dev_id, struct pt_regs *regs)
 555 {
 556         struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
 557         unsigned long report,status;
 558         int loop, handled = 0;
 559
 560         for (loop = 0; loop < 10; loop++) {
 561                 report = saa_readl(SAA7134_IRQ_REPORT);
 562                 status = saa_readl(SAA7134_IRQ_STATUS);
 563                 if (0 == report) {
 564                         if (irq_debug > 1)
 565                                 printk(KERN_DEBUG "%s/irq: no (more) work\n",
 566                                        dev->name);
 567                         goto out;
 568                 }
 569                 handled = 1;
 570                 saa_writel(SAA7134_IRQ_REPORT,report);
 571                 if (irq_debug)
 572                         print_irqstatus(dev,loop,report,status);
 573
 574 #if 0
 575                 if (report & SAA7134_IRQ_REPORT_CONF_ERR)
 576                         dump_statusregs(dev);
 577 #endif
 578
 579                 if (report & SAA7134_IRQ_REPORT_INTL)
 580                         saa7134_irq_video_intl(dev);
 581
 582                 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
 583                     (status & 0x60) == 0)
 584                         saa7134_irq_video_done(dev,status);
 585
 586                 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
 587                     (status & 0x40) == 0x40)
 588                         saa7134_irq_vbi_done(dev,status);
 589
 590                 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
 591                     card_has_mpeg(dev))
 592                         saa7134_irq_ts_done(dev,status);
 593
 594                 if ((report & SAA7134_IRQ_REPORT_DONE_RA3))
 595                         saa7134_irq_oss_done(dev,status);
 596
 597                 if ((report & (SAA7134_IRQ_REPORT_GPIO16 |
 598                                SAA7134_IRQ_REPORT_GPIO18)) &&
 599                     dev->remote)
 600                         saa7134_input_irq(dev);
 601
 602         };
 603         if (10 == loop) {
 604                 print_irqstatus(dev,loop,report,status);
 605                 if (report & SAA7134_IRQ_REPORT_PE) {
 606                         /* disable all parity error */
 607                         printk(KERN_WARNING "%s/irq: looping -- "
 608                                "clearing PE (parity error!) enable bit\n",dev->name);
 609                         saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
 610                 } else {
 611                         /* disable all irqs */
 612                         printk(KERN_WARNING "%s/irq: looping -- "
 613                                "clearing all enable bits\n",dev->name);
 614                         saa_writel(SAA7134_IRQ1,0);
 615                         saa_writel(SAA7134_IRQ2,0);
 616                 }
 617         }
 618
 619  out:
 620         return IRQ_RETVAL(handled);
 621 }
 622
 623 /* ------------------------------------------------------------------ */
 624
 625 /* early init (no i2c, no irq) */
 626 static int saa7134_hwinit1(struct saa7134_dev *dev)
 627 {
 628         dprintk("hwinit1\n");
 629
 630         saa_writel(SAA7134_IRQ1, 0);
 631         saa_writel(SAA7134_IRQ2, 0);
 632         init_MUTEX(&dev->lock);
 633         dev->slock = SPIN_LOCK_UNLOCKED;
 634
 635         saa7134_track_gpio(dev,"pre-init");
 636         saa7134_video_init1(dev);
 637         saa7134_vbi_init1(dev);
 638         if (card_has_mpeg(dev))
 639                 saa7134_ts_init1(dev);
 640         saa7134_input_init1(dev);
 641
 642         switch (dev->pci->device) {
 643         case PCI_DEVICE_ID_PHILIPS_SAA7134:
 644         case PCI_DEVICE_ID_PHILIPS_SAA7133:
 645         case PCI_DEVICE_ID_PHILIPS_SAA7135:
 646                 saa7134_oss_init1(dev);
 647                 break;
 648         }
 649
 650         /* RAM FIFO config */
 651         saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
 652         saa_writel(SAA7134_THRESHOULD,0x02020202);
 653
 654         /* enable audio + video processing */
 655         saa_writel(SAA7134_MAIN_CTRL,
 656                    SAA7134_MAIN_CTRL_VPLLE |
 657                    SAA7134_MAIN_CTRL_APLLE |
 658                    SAA7134_MAIN_CTRL_EXOSC |
 659                    SAA7134_MAIN_CTRL_EVFE1 |
 660                    SAA7134_MAIN_CTRL_EVFE2 |
 661                    SAA7134_MAIN_CTRL_ESFE  |
 662                    SAA7134_MAIN_CTRL_EBADC |
 663                    SAA7134_MAIN_CTRL_EBDAC);
 664
 665         /* enable peripheral devices */
 666         saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
 667
 668         /* set vertical line numbering start (vbi needs this) */
 669         saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
 670
 671         return 0;
 672 }
 673
 674 /* late init (with i2c + irq) */
 675 static int saa7134_hwinit2(struct saa7134_dev *dev)
 676 {
 677         dprintk("hwinit2\n");
 678
 679         saa7134_video_init2(dev);
 680         saa7134_tvaudio_init2(dev);
 681
 682         /* enable IRQ's */
 683         saa_writel(SAA7134_IRQ1, 0);
 684         saa_writel(SAA7134_IRQ2,
 685                    SAA7134_IRQ2_INTE_GPIO18  |
 686                    SAA7134_IRQ2_INTE_GPIO18A |
 687                    SAA7134_IRQ2_INTE_GPIO16  |
 688                    SAA7134_IRQ2_INTE_SC2     |
 689                    SAA7134_IRQ2_INTE_SC1     |
 690                    SAA7134_IRQ2_INTE_SC0     |
 691                    /* SAA7134_IRQ2_INTE_DEC5    |  FIXME: TRIG_ERR ??? */
 692                    SAA7134_IRQ2_INTE_DEC3    |
 693                    SAA7134_IRQ2_INTE_DEC2    |
 694                    /* SAA7134_IRQ2_INTE_DEC1    | */
 695                    SAA7134_IRQ2_INTE_DEC0    |
 696                    SAA7134_IRQ2_INTE_PE      |
 697                    SAA7134_IRQ2_INTE_AR);
 698
 699         return 0;
 700 }
 701
 702 /* shutdown */
 703 static int saa7134_hwfini(struct saa7134_dev *dev)
 704 {
 705         dprintk("hwfini\n");
 706
 707         switch (dev->pci->device) {
 708         case PCI_DEVICE_ID_PHILIPS_SAA7134:
 709         case PCI_DEVICE_ID_PHILIPS_SAA7133:
 710         case PCI_DEVICE_ID_PHILIPS_SAA7135:
 711                 saa7134_oss_fini(dev);
 712                 break;
 713         }
 714         if (card_has_mpeg(dev))
 715                 saa7134_ts_fini(dev);
 716         saa7134_input_fini(dev);
 717         saa7134_vbi_fini(dev);
 718         saa7134_video_fini(dev);
 719         saa7134_tvaudio_fini(dev);
 720         return 0;
 721 }
 722
 723 static void __devinit must_configure_manually(void)
 724 {
 725         unsigned int i,p;
 726
 727         printk(KERN_WARNING
 728                "saa7134: <rant>\n"
 729                "saa7134:  Congratulations!  Your TV card vendor saved a few\n"
 730                "saa7134:  cents for a eeprom, thus your pci board has no\n"
 731                "saa7134:  subsystem ID and I can't identify it automatically\n"
 732                "saa7134: </rant>\n"
 733                "saa7134: I feel better now.  Ok, here are the good news:\n"
 734                "saa7134: You can use the card=<nr> insmod option to specify\n"
 735                "saa7134: which board do you have.  The list:\n");
 736         for (i = 0; i < saa7134_bcount; i++) {
 737                 printk(KERN_WARNING "saa7134:   card=%d -> %-40.40s",
 738                        i,saa7134_boards[i].name);
 739                 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
 740                         if (saa7134_pci_tbl[p].driver_data != i)
 741                                 continue;
 742                         printk(" %04x:%04x",
 743                                saa7134_pci_tbl[p].subvendor,
 744                                saa7134_pci_tbl[p].subdevice);
 745                 }
 746                 printk("\n");
 747         }
 748 }
 749
 750 static struct video_device *vdev_init(struct saa7134_dev *dev,
 751                                       struct video_device *template,
 752                                       char *type)
 753 {
 754         struct video_device *vfd;
 755
 756         vfd = video_device_alloc();
 757         if (NULL == vfd)
 758                 return NULL;
 759         *vfd = *template;
 760         vfd->minor   = -1;
 761         vfd->dev     = &dev->pci->dev;
 762         vfd->release = video_device_release;
 763         snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
 764                  dev->name, type, saa7134_boards[dev->board].name);
 765         return vfd;
 766 }
 767
 768 static void saa7134_unregister_video(struct saa7134_dev *dev)
 769 {
 770         if (dev->video_dev) {
 771                 if (-1 != dev->video_dev->minor)
 772                         video_unregister_device(dev->video_dev);
 773                 else
 774                         video_device_release(dev->video_dev);
 775                 dev->video_dev = NULL;
 776         }
 777         if (dev->vbi_dev) {
 778                 if (-1 != dev->vbi_dev->minor)
 779                         video_unregister_device(dev->vbi_dev);
 780                 else
 781                         video_device_release(dev->vbi_dev);
 782                 dev->vbi_dev = NULL;
 783         }
 784         if (dev->radio_dev) {
 785                 if (-1 != dev->radio_dev->minor)
 786                         video_unregister_device(dev->radio_dev);
 787                 else
 788                         video_device_release(dev->radio_dev);
 789                 dev->radio_dev = NULL;
 790         }
 791 }
 792
 793 static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
 794                             struct saa7134_dev *dev)
 795 {
 796         int err;
 797
 798         if (NULL != dev->mops)
 799                 return;
 800         if (saa7134_boards[dev->board].mpeg != ops->type)
 801                 return;
 802         err = ops->init(dev);
 803         if (0 != err)
 804                 return;
 805         dev->mops = ops;
 806 }
 807
 808 static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
 809                             struct saa7134_dev *dev)
 810 {
 811         if (NULL == dev->mops)
 812                 return;
 813         if (dev->mops != ops)
 814                 return;
 815         dev->mops->fini(dev);
 816         dev->mops = NULL;
 817 }
 818
 819 static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
 820                                      const struct pci_device_id *pci_id)
 821 {
 822         struct saa7134_dev *dev;
 823         struct list_head *item;
 824         struct saa7134_mpeg_ops *mops;
 825         int err;
 826
 827         dev = kmalloc(sizeof(*dev),GFP_KERNEL);
 828         if (NULL == dev)
 829                 return -ENOMEM;
 830         memset(dev,0,sizeof(*dev));
 831
 832         /* pci init */
 833         dev->pci = pci_dev;
 834         if (pci_enable_device(pci_dev)) {
 835                 err = -EIO;
 836                 goto fail1;
 837         }
 838
 839         dev->nr = saa7134_devcount;
 840         sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr);
 841
 842         /* pci quirks */
 843         if (pci_pci_problems) {
 844                 if (pci_pci_problems & PCIPCI_TRITON)
 845                         printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name);
 846                 if (pci_pci_problems & PCIPCI_NATOMA)
 847                         printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name);
 848                 if (pci_pci_problems & PCIPCI_VIAETBF)
 849                         printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name);
 850                 if (pci_pci_problems & PCIPCI_VSFX)
 851                         printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name);
 852 #ifdef PCIPCI_ALIMAGIK
 853                 if (pci_pci_problems & PCIPCI_ALIMAGIK) {
 854                         printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
 855                                dev->name);
 856                         latency = 0x0A;
 857                 }
 858 #endif
 859         }
 860         if (UNSET != latency) {
 861                 printk(KERN_INFO "%s: setting pci latency timer to %d\n",
 862                        dev->name,latency);
 863                 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
 864         }
 865
 866         /* print pci info */
 867         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
 868         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
 869         printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, "
 870                "latency: %d, mmio: 0x%lx\n", dev->name,
 871                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
 872                dev->pci_lat,pci_resource_start(pci_dev,0));
 873         pci_set_master(pci_dev);
 874         if (!pci_dma_supported(pci_dev,0xffffffff)) {
 875                 printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name);
 876                 err = -EIO;
 877                 goto fail1;
 878         }
 879
 880         /* board config */
 881         dev->board = pci_id->driver_data;
 882         if (card[dev->nr] >= 0 &&
 883             card[dev->nr] < saa7134_bcount)
 884                 dev->board = card[dev->nr];
 885         if (SAA7134_BOARD_NOAUTO == dev->board) {
 886                 must_configure_manually();
 887                 dev->board = SAA7134_BOARD_UNKNOWN;
 888         }
 889         dev->tuner_type   = saa7134_boards[dev->board].tuner_type;
 890         dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
 891         if (UNSET != tuner[dev->nr])
 892                 dev->tuner_type = tuner[dev->nr];
 893         printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
 894                dev->name,pci_dev->subsystem_vendor,
 895                pci_dev->subsystem_device,saa7134_boards[dev->board].name,
 896                dev->board, card[dev->nr] == dev->board ?
 897                "insmod option" : "autodetected");
 898
 899         /* get mmio */
 900         if (!request_mem_region(pci_resource_start(pci_dev,0),
 901                                 pci_resource_len(pci_dev,0),
 902                                 dev->name)) {
 903                 err = -EBUSY;
 904                 printk(KERN_ERR "%s: can't get MMIO memory @ 0x%lx\n",
 905                        dev->name,pci_resource_start(pci_dev,0));
 906                 goto fail1;
 907         }
 908         dev->lmmio = ioremap(pci_resource_start(pci_dev,0), 0x1000);
 909         dev->bmmio = (__u8 __iomem *)dev->lmmio;
 910         if (NULL == dev->lmmio) {
 911                 err = -EIO;
 912                 printk(KERN_ERR "%s: can't ioremap() MMIO memory\n",
 913                        dev->name);
 914                 goto fail2;
 915         }
 916
 917         /* initialize hardware #1 */
 918         saa7134_board_init1(dev);
 919         saa7134_hwinit1(dev);
 920
 921         /* get irq */
 922         err = request_irq(pci_dev->irq, saa7134_irq,
 923                           SA_SHIRQ | SA_INTERRUPT, dev->name, dev);
 924         if (err < 0) {
 925                 printk(KERN_ERR "%s: can't get IRQ %d\n",
 926                        dev->name,pci_dev->irq);
 927                 goto fail3;
 928         }
 929
 930         /* wait a bit, register i2c bus */
 931         msleep(100);
 932         saa7134_i2c_register(dev);
 933
 934         /* initialize hardware #2 */
 935         saa7134_board_init2(dev);
 936         saa7134_hwinit2(dev);
 937
 938         /* load i2c helpers */
 939         if (TUNER_ABSENT != dev->tuner_type)
 940                 request_module("tuner");
 941         if (dev->tda9887_conf)
 942                 request_module("tda9887");
 943         if (card_is_empress(dev)) {
 944                 request_module("saa7134-empress");
 945                 request_module("saa6752hs");
 946         }
 947         if (card_is_dvb(dev))
 948                 request_module("saa7134-dvb");
 949
 950         v4l2_prio_init(&dev->prio);
 951
 952         /* register v4l devices */
 953         dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
 954         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
 955                                     video_nr[dev->nr]);
 956         if (err < 0) {
 957                 printk(KERN_INFO "%s: can't register video device\n",
 958                        dev->name);
 959                 goto fail4;
 960         }
 961         printk(KERN_INFO "%s: registered device video%d [v4l2]\n",
 962                dev->name,dev->video_dev->minor & 0x1f);
 963
 964         dev->vbi_dev = vdev_init(dev,&saa7134_vbi_template,"vbi");
 965         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
 966                                     vbi_nr[dev->nr]);
 967         if (err < 0)
 968                 goto fail4;
 969         printk(KERN_INFO "%s: registered device vbi%d\n",
 970                dev->name,dev->vbi_dev->minor & 0x1f);
 971
 972         if (card_has_radio(dev)) {
 973                 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
 974                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
 975                                             radio_nr[dev->nr]);
 976                 if (err < 0)
 977                         goto fail4;
 978                 printk(KERN_INFO "%s: registered device radio%d\n",
 979                        dev->name,dev->radio_dev->minor & 0x1f);
 980         }
 981
 982         /* register oss devices */
 983         switch (dev->pci->device) {
 984         case PCI_DEVICE_ID_PHILIPS_SAA7134:
 985         case PCI_DEVICE_ID_PHILIPS_SAA7133:
 986         case PCI_DEVICE_ID_PHILIPS_SAA7135:
 987                 if (oss) {
 988                         err = dev->oss.minor_dsp =
 989                                 register_sound_dsp(&saa7134_dsp_fops,
 990                                                    dsp_nr[dev->nr]);
 991                         if (err < 0) {
 992                                 goto fail4;
 993                         }
 994                         printk(KERN_INFO "%s: registered device dsp%d\n",
 995                                dev->name,dev->oss.minor_dsp >> 4);
 996
 997                         err = dev->oss.minor_mixer =
 998                                 register_sound_mixer(&saa7134_mixer_fops,
 999                                                      mixer_nr[dev->nr]);
1000                         if (err < 0)
1001                                 goto fail5;
1002                         printk(KERN_INFO "%s: registered device mixer%d\n",
1003                                dev->name,dev->oss.minor_mixer >> 4);
1004                 }
1005                 break;
1006         }
1007
1008         /* everything worked */
1009         pci_set_drvdata(pci_dev,dev);
1010         saa7134_devcount++;
1011
1012         down(&devlist_lock);
1013         list_for_each(item,&mops_list) {
1014                 mops = list_entry(item, struct saa7134_mpeg_ops, next);
1015                 mpeg_ops_attach(mops, dev);
1016         }
1017         list_add_tail(&dev->devlist,&saa7134_devlist);
1018         up(&devlist_lock);
1019         return 0;
1020
1021  fail5:
1022         switch (dev->pci->device) {
1023         case PCI_DEVICE_ID_PHILIPS_SAA7134:
1024         case PCI_DEVICE_ID_PHILIPS_SAA7133:
1025         case PCI_DEVICE_ID_PHILIPS_SAA7135:
1026                 if (oss)
1027                         unregister_sound_dsp(dev->oss.minor_dsp);
1028                 break;
1029         }
1030  fail4:
1031         saa7134_unregister_video(dev);
1032         saa7134_i2c_unregister(dev);
1033         free_irq(pci_dev->irq, dev);
1034  fail3:
1035         saa7134_hwfini(dev);
1036         iounmap(dev->lmmio);
1037  fail2:
1038         release_mem_region(pci_resource_start(pci_dev,0),
1039                            pci_resource_len(pci_dev,0));
1040  fail1:
1041         kfree(dev);
1042         return err;
1043 }
1044
1045 static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
1046 {
1047         struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
1048         struct list_head *item;
1049         struct saa7134_mpeg_ops *mops;
1050
1051         /* debugging ... */
1052         if (irq_debug) {
1053                 u32 report = saa_readl(SAA7134_IRQ_REPORT);
1054                 u32 status = saa_readl(SAA7134_IRQ_STATUS);
1055                 print_irqstatus(dev,42,report,status);
1056         }
1057
1058         /* disable peripheral devices */
1059         saa_writeb(SAA7134_SPECIAL_MODE,0);
1060
1061         /* shutdown hardware */
1062         saa_writel(SAA7134_IRQ1,0);
1063         saa_writel(SAA7134_IRQ2,0);
1064         saa_writel(SAA7134_MAIN_CTRL,0);
1065
1066         /* shutdown subsystems */
1067         saa7134_hwfini(dev);
1068
1069         /* unregister */
1070         down(&devlist_lock);
1071         list_del(&dev->devlist);
1072         list_for_each(item,&mops_list) {
1073                 mops = list_entry(item, struct saa7134_mpeg_ops, next);
1074                 mpeg_ops_detach(mops, dev);
1075         }
1076         up(&devlist_lock);
1077         saa7134_devcount--;
1078
1079         saa7134_i2c_unregister(dev);
1080         switch (dev->pci->device) {
1081         case PCI_DEVICE_ID_PHILIPS_SAA7134:
1082         case PCI_DEVICE_ID_PHILIPS_SAA7133:
1083         case PCI_DEVICE_ID_PHILIPS_SAA7135:
1084                 if (oss) {
1085                         unregister_sound_mixer(dev->oss.minor_mixer);
1086                         unregister_sound_dsp(dev->oss.minor_dsp);
1087                 }
1088                 break;
1089         }
1090         saa7134_unregister_video(dev);
1091
1092         /* release ressources */
1093         free_irq(pci_dev->irq, dev);
1094         iounmap(dev->lmmio);
1095         release_mem_region(pci_resource_start(pci_dev,0),
1096                            pci_resource_len(pci_dev,0));
1097
1098 #if 0  /* causes some trouble when reinserting the driver ... */
1099         pci_disable_device(pci_dev);
1100 #endif
1101         pci_set_drvdata(pci_dev, NULL);
1102
1103         /* free memory */
1104         kfree(dev);
1105 }
1106
1107 /* ----------------------------------------------------------- */
1108
1109 int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1110 {
1111         struct list_head *item;
1112         struct saa7134_dev *dev;
1113
1114         down(&devlist_lock);
1115         list_for_each(item,&saa7134_devlist) {
1116                 dev = list_entry(item, struct saa7134_dev, devlist);
1117                 mpeg_ops_attach(ops, dev);
1118         }
1119         list_add_tail(&ops->next,&mops_list);
1120         up(&devlist_lock);
1121         return 0;
1122 }
1123
1124 void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1125 {
1126         struct list_head *item;
1127         struct saa7134_dev *dev;
1128
1129         down(&devlist_lock);
1130         list_del(&ops->next);
1131         list_for_each(item,&saa7134_devlist) {
1132                 dev = list_entry(item, struct saa7134_dev, devlist);
1133                 mpeg_ops_detach(ops, dev);
1134         }
1135         up(&devlist_lock);
1136 }
1137
1138 EXPORT_SYMBOL(saa7134_ts_register);
1139 EXPORT_SYMBOL(saa7134_ts_unregister);
1140
1141 /* ----------------------------------------------------------- */
1142
1143 static struct pci_driver saa7134_pci_driver = {
1144         .name     = "saa7134",
1145         .id_table = saa7134_pci_tbl,
1146         .probe    = saa7134_initdev,
1147         .remove   = __devexit_p(saa7134_finidev),
1148 };
1149
1150 static int saa7134_init(void)
1151 {
1152         INIT_LIST_HEAD(&saa7134_devlist);
1153         printk(KERN_INFO "saa7130/34: v4l2 driver version %d.%d.%d loaded\n",
1154                (SAA7134_VERSION_CODE >> 16) & 0xff,
1155                (SAA7134_VERSION_CODE >>  8) & 0xff,
1156                SAA7134_VERSION_CODE & 0xff);
1157 #ifdef SNAPSHOT
1158         printk(KERN_INFO "saa7130/34: snapshot date %04d-%02d-%02d\n",
1159                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1160 #endif
1161         return pci_module_init(&saa7134_pci_driver);
1162 }
1163
1164 static void saa7134_fini(void)
1165 {
1166         pci_unregister_driver(&saa7134_pci_driver);
1167 }
1168
1169 module_init(saa7134_init);
1170 module_exit(saa7134_fini);
1171
1172 /* ----------------------------------------------------------- */
1173
1174 EXPORT_SYMBOL(saa7134_print_ioctl);
1175 EXPORT_SYMBOL(saa7134_i2c_call_clients);
1176 EXPORT_SYMBOL(saa7134_devlist);
1177 EXPORT_SYMBOL(saa7134_boards);
1178
1179 /* ----------------------------------------------------------- */
1180 /*
1181  * Local variables:
1182  * c-basic-offset: 8
1183  * End:
1184  */