git.oblomov.eu Git - linux-2.6/blob - 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 #include <linux/pm.h>
  35
  36 #include "saa7134-reg.h"
  37 #include "saa7134.h"
  38
  39 MODULE_DESCRIPTION("v4l2 driver module for saa7130/34 based TV cards");
  40 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  41 MODULE_LICENSE("GPL");
  42
  43 /* ------------------------------------------------------------------ */
  44
  45 static unsigned int irq_debug;
  46 module_param(irq_debug, int, 0644);
  47 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  48
  49 static unsigned int core_debug;
  50 module_param(core_debug, int, 0644);
  51 MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
  52
  53 static unsigned int gpio_tracking;
  54 module_param(gpio_tracking, int, 0644);
  55 MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]");
  56
  57 static unsigned int alsa;
  58 module_param(alsa, int, 0644);
  59 MODULE_PARM_DESC(alsa,"enable ALSA DMA sound [dmasound]");
  60
  61 static unsigned int oss;
  62 module_param(oss, int, 0644);
  63 MODULE_PARM_DESC(oss,"enable OSS DMA sound [dmasound]");
  64
  65 static unsigned int latency = UNSET;
  66 module_param(latency, int, 0444);
  67 MODULE_PARM_DESC(latency,"pci latency timer");
  68
  69 int saa7134_no_overlay=-1;
  70 module_param_named(no_overlay, saa7134_no_overlay, int, 0444);
  71 MODULE_PARM_DESC(no_overlay,"allow override overlay default (0 disables, 1 enables)"
  72                 " [some VIA/SIS chipsets are known to have problem with overlay]");
  73
  74 static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  75 static unsigned int vbi_nr[]   = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  76 static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  77 static unsigned int tuner[]    = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  78 static unsigned int card[]     = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  79
  80
  81 module_param_array(video_nr, int, NULL, 0444);
  82 module_param_array(vbi_nr,   int, NULL, 0444);
  83 module_param_array(radio_nr, int, NULL, 0444);
  84 module_param_array(tuner,    int, NULL, 0444);
  85 module_param_array(card,     int, NULL, 0444);
  86
  87 MODULE_PARM_DESC(video_nr, "video device number");
  88 MODULE_PARM_DESC(vbi_nr,   "vbi device number");
  89 MODULE_PARM_DESC(radio_nr, "radio device number");
  90 MODULE_PARM_DESC(tuner,    "tuner type");
  91 MODULE_PARM_DESC(card,     "card type");
  92
  93 static DEFINE_MUTEX(devlist_lock);
  94 LIST_HEAD(saa7134_devlist);
  95 static LIST_HEAD(mops_list);
  96 static unsigned int saa7134_devcount;
  97
  98 int (*saa7134_dmasound_init)(struct saa7134_dev *dev);
  99 int (*saa7134_dmasound_exit)(struct saa7134_dev *dev);
 100
 101 #define dprintk(fmt, arg...)    if (core_debug) \
 102         printk(KERN_DEBUG "%s/core: " fmt, dev->name , ## arg)
 103
 104 void saa7134_track_gpio(struct saa7134_dev *dev, char *msg)
 105 {
 106         unsigned long mode,status;
 107
 108         if (!gpio_tracking)
 109                 return;
 110         /* rising SAA7134_GPIO_GPRESCAN reads the status */
 111         saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0);
 112         saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN);
 113         mode   = saa_readl(SAA7134_GPIO_GPMODE0   >> 2) & 0xfffffff;
 114         status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff;
 115         printk(KERN_DEBUG
 116                "%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n",
 117                dev->name, mode, (~mode) & status, mode & status, msg);
 118 }
 119
 120 void saa7134_set_gpio(struct saa7134_dev *dev, int bit_no, int value)
 121 {
 122         u32 index, bitval;
 123
 124         index = 1 << bit_no;
 125         switch (value) {
 126         case 0: /* static value */
 127         case 1: dprintk("setting GPIO%d to static %d\n", bit_no, value);
 128                 /* turn sync mode off if necessary */
 129                 if (index & 0x00c00000)
 130                         saa_andorb(SAA7134_VIDEO_PORT_CTRL6, 0x0f, 0x00);
 131                 if (value)
 132                         bitval = index;
 133                 else
 134                         bitval = 0;
 135                 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, index);
 136                 saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, index, bitval);
 137                 break;
 138         case 3: /* tristate */
 139                 dprintk("setting GPIO%d to tristate\n", bit_no);
 140                 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, 0);
 141                 break;
 142         }
 143 }
 144
 145 /* ------------------------------------------------------------------ */
 146
 147
 148 /* ----------------------------------------------------------- */
 149 /* delayed request_module                                      */
 150
 151 #if defined(CONFIG_MODULES) && defined(MODULE)
 152
 153 static void request_module_async(struct work_struct *work){
 154         struct saa7134_dev* dev = container_of(work, struct saa7134_dev, request_module_wk);
 155         if (card_is_empress(dev))
 156                 request_module("saa7134-empress");
 157         if (card_is_dvb(dev))
 158                 request_module("saa7134-dvb");
 159         if (alsa)
 160                 request_module("saa7134-alsa");
 161         if (oss)
 162                 request_module("saa7134-oss");
 163 }
 164
 165 static void request_submodules(struct saa7134_dev *dev)
 166 {
 167         INIT_WORK(&dev->request_module_wk, request_module_async);
 168         schedule_work(&dev->request_module_wk);
 169 }
 170
 171 #else
 172 #define request_submodules(dev)
 173 #endif /* CONFIG_MODULES */
 174
 175 /* ------------------------------------------------------------------ */
 176
 177 /* nr of (saa7134-)pages for the given buffer size */
 178 static int saa7134_buffer_pages(int size)
 179 {
 180         size  = PAGE_ALIGN(size);
 181         size += PAGE_SIZE; /* for non-page-aligned buffers */
 182         size /= 4096;
 183         return size;
 184 }
 185
 186 /* calc max # of buffers from size (must not exceed the 4MB virtual
 187  * address space per DMA channel) */
 188 int saa7134_buffer_count(unsigned int size, unsigned int count)
 189 {
 190         unsigned int maxcount;
 191
 192         maxcount = 1024 / saa7134_buffer_pages(size);
 193         if (count > maxcount)
 194                 count = maxcount;
 195         return count;
 196 }
 197
 198 int saa7134_buffer_startpage(struct saa7134_buf *buf)
 199 {
 200         return saa7134_buffer_pages(buf->vb.bsize) * buf->vb.i;
 201 }
 202
 203 unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
 204 {
 205         unsigned long base;
 206         struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
 207
 208         base  = saa7134_buffer_startpage(buf) * 4096;
 209         base += dma->sglist[0].offset;
 210         return base;
 211 }
 212
 213 /* ------------------------------------------------------------------ */
 214
 215 int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt)
 216 {
 217         __le32       *cpu;
 218         dma_addr_t   dma_addr;
 219
 220         cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr);
 221         if (NULL == cpu)
 222                 return -ENOMEM;
 223         pt->size = SAA7134_PGTABLE_SIZE;
 224         pt->cpu  = cpu;
 225         pt->dma  = dma_addr;
 226         return 0;
 227 }
 228
 229 int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
 230                           struct scatterlist *list, unsigned int length,
 231                           unsigned int startpage)
 232 {
 233         __le32        *ptr;
 234         unsigned int  i,p;
 235
 236         BUG_ON(NULL == pt || NULL == pt->cpu);
 237
 238         ptr = pt->cpu + startpage;
 239         for (i = 0; i < length; i++, list++)
 240                 for (p = 0; p * 4096 < list->length; p++, ptr++)
 241                         *ptr = cpu_to_le32(sg_dma_address(list) - list->offset);
 242         return 0;
 243 }
 244
 245 void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt)
 246 {
 247         if (NULL == pt->cpu)
 248                 return;
 249         pci_free_consistent(pci, pt->size, pt->cpu, pt->dma);
 250         pt->cpu = NULL;
 251 }
 252
 253 /* ------------------------------------------------------------------ */
 254
 255 void saa7134_dma_free(struct videobuf_queue *q,struct saa7134_buf *buf)
 256 {
 257         struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
 258         BUG_ON(in_interrupt());
 259
 260         videobuf_waiton(&buf->vb,0,0);
 261         videobuf_dma_unmap(q, dma);
 262         videobuf_dma_free(dma);
 263         buf->vb.state = VIDEOBUF_NEEDS_INIT;
 264 }
 265
 266 /* ------------------------------------------------------------------ */
 267
 268 int saa7134_buffer_queue(struct saa7134_dev *dev,
 269                          struct saa7134_dmaqueue *q,
 270                          struct saa7134_buf *buf)
 271 {
 272         struct saa7134_buf *next = NULL;
 273
 274         assert_spin_locked(&dev->slock);
 275         dprintk("buffer_queue %p\n",buf);
 276         if (NULL == q->curr) {
 277                 if (!q->need_two) {
 278                         q->curr = buf;
 279                         buf->activate(dev,buf,NULL);
 280                 } else if (list_empty(&q->queue)) {
 281                         list_add_tail(&buf->vb.queue,&q->queue);
 282                         buf->vb.state = VIDEOBUF_QUEUED;
 283                 } else {
 284                         next = list_entry(q->queue.next,struct saa7134_buf,
 285                                           vb.queue);
 286                         q->curr = buf;
 287                         buf->activate(dev,buf,next);
 288                 }
 289         } else {
 290                 list_add_tail(&buf->vb.queue,&q->queue);
 291                 buf->vb.state = VIDEOBUF_QUEUED;
 292         }
 293         return 0;
 294 }
 295
 296 void saa7134_buffer_finish(struct saa7134_dev *dev,
 297                            struct saa7134_dmaqueue *q,
 298                            unsigned int state)
 299 {
 300         assert_spin_locked(&dev->slock);
 301         dprintk("buffer_finish %p\n",q->curr);
 302
 303         /* finish current buffer */
 304         q->curr->vb.state = state;
 305         do_gettimeofday(&q->curr->vb.ts);
 306         wake_up(&q->curr->vb.done);
 307         q->curr = NULL;
 308 }
 309
 310 void saa7134_buffer_next(struct saa7134_dev *dev,
 311                          struct saa7134_dmaqueue *q)
 312 {
 313         struct saa7134_buf *buf,*next = NULL;
 314
 315         assert_spin_locked(&dev->slock);
 316         BUG_ON(NULL != q->curr);
 317
 318         if (!list_empty(&q->queue)) {
 319                 /* activate next one from queue */
 320                 buf = list_entry(q->queue.next,struct saa7134_buf,vb.queue);
 321                 dprintk("buffer_next %p [prev=%p/next=%p]\n",
 322                         buf,q->queue.prev,q->queue.next);
 323                 list_del(&buf->vb.queue);
 324                 if (!list_empty(&q->queue))
 325                         next = list_entry(q->queue.next,struct saa7134_buf,
 326                                           vb.queue);
 327                 q->curr = buf;
 328                 buf->activate(dev,buf,next);
 329                 dprintk("buffer_next #2 prev=%p/next=%p\n",
 330                         q->queue.prev,q->queue.next);
 331         } else {
 332                 /* nothing to do -- just stop DMA */
 333                 dprintk("buffer_next %p\n",NULL);
 334                 saa7134_set_dmabits(dev);
 335                 del_timer(&q->timeout);
 336         }
 337 }
 338
 339 void saa7134_buffer_timeout(unsigned long data)
 340 {
 341         struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue*)data;
 342         struct saa7134_dev *dev = q->dev;
 343         unsigned long flags;
 344
 345         spin_lock_irqsave(&dev->slock,flags);
 346
 347         /* try to reset the hardware (SWRST) */
 348         saa_writeb(SAA7134_REGION_ENABLE, 0x00);
 349         saa_writeb(SAA7134_REGION_ENABLE, 0x80);
 350         saa_writeb(SAA7134_REGION_ENABLE, 0x00);
 351
 352         /* flag current buffer as failed,
 353            try to start over with the next one. */
 354         if (q->curr) {
 355                 dprintk("timeout on %p\n",q->curr);
 356                 saa7134_buffer_finish(dev,q,VIDEOBUF_ERROR);
 357         }
 358         saa7134_buffer_next(dev,q);
 359         spin_unlock_irqrestore(&dev->slock,flags);
 360 }
 361
 362 /* resends a current buffer in queue after resume */
 363
 364 static int saa7134_buffer_requeue(struct saa7134_dev *dev,
 365                                   struct saa7134_dmaqueue *q)
 366 {
 367         struct saa7134_buf *buf, *next;
 368
 369         assert_spin_locked(&dev->slock);
 370
 371         buf  = q->curr;
 372         next = buf;
 373         dprintk("buffer_requeue\n");
 374
 375         if (!buf)
 376                 return 0;
 377
 378         dprintk("buffer_requeue : resending active buffers \n");
 379
 380         if (!list_empty(&q->queue))
 381                 next = list_entry(q->queue.next, struct saa7134_buf,
 382                                           vb.queue);
 383         buf->activate(dev, buf, next);
 384
 385         return 0;
 386 }
 387
 388 /* ------------------------------------------------------------------ */
 389
 390 int saa7134_set_dmabits(struct saa7134_dev *dev)
 391 {
 392         u32 split, task=0, ctrl=0, irq=0;
 393         enum v4l2_field cap = V4L2_FIELD_ANY;
 394         enum v4l2_field ov  = V4L2_FIELD_ANY;
 395
 396         assert_spin_locked(&dev->slock);
 397
 398         if (dev->insuspend)
 399                 return 0;
 400
 401         /* video capture -- dma 0 + video task A */
 402         if (dev->video_q.curr) {
 403                 task |= 0x01;
 404                 ctrl |= SAA7134_MAIN_CTRL_TE0;
 405                 irq  |= SAA7134_IRQ1_INTE_RA0_1 |
 406                         SAA7134_IRQ1_INTE_RA0_0;
 407                 cap = dev->video_q.curr->vb.field;
 408         }
 409
 410         /* video capture -- dma 1+2 (planar modes) */
 411         if (dev->video_q.curr &&
 412             dev->video_q.curr->fmt->planar) {
 413                 ctrl |= SAA7134_MAIN_CTRL_TE4 |
 414                         SAA7134_MAIN_CTRL_TE5;
 415         }
 416
 417         /* screen overlay -- dma 0 + video task B */
 418         if (dev->ovenable) {
 419                 task |= 0x10;
 420                 ctrl |= SAA7134_MAIN_CTRL_TE1;
 421                 ov = dev->ovfield;
 422         }
 423
 424         /* vbi capture -- dma 0 + vbi task A+B */
 425         if (dev->vbi_q.curr) {
 426                 task |= 0x22;
 427                 ctrl |= SAA7134_MAIN_CTRL_TE2 |
 428                         SAA7134_MAIN_CTRL_TE3;
 429                 irq  |= SAA7134_IRQ1_INTE_RA0_7 |
 430                         SAA7134_IRQ1_INTE_RA0_6 |
 431                         SAA7134_IRQ1_INTE_RA0_5 |
 432                         SAA7134_IRQ1_INTE_RA0_4;
 433         }
 434
 435         /* audio capture -- dma 3 */
 436         if (dev->dmasound.dma_running) {
 437                 ctrl |= SAA7134_MAIN_CTRL_TE6;
 438                 irq  |= SAA7134_IRQ1_INTE_RA3_1 |
 439                         SAA7134_IRQ1_INTE_RA3_0;
 440         }
 441
 442         /* TS capture -- dma 5 */
 443         if (dev->ts_q.curr) {
 444                 ctrl |= SAA7134_MAIN_CTRL_TE5;
 445                 irq  |= SAA7134_IRQ1_INTE_RA2_3 |
 446                         SAA7134_IRQ1_INTE_RA2_2 |
 447                         SAA7134_IRQ1_INTE_RA2_1 |
 448                         SAA7134_IRQ1_INTE_RA2_0;
 449         }
 450
 451         /* set task conditions + field handling */
 452         if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
 453                 /* default config -- use full frames */
 454                 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
 455                 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
 456                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A),  0x02);
 457                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B),  0x02);
 458                 split = 0;
 459         } else {
 460                 /* split fields between tasks */
 461                 if (V4L2_FIELD_TOP == cap) {
 462                         /* odd A, even B, repeat */
 463                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
 464                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
 465                 } else {
 466                         /* odd B, even A, repeat */
 467                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
 468                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
 469                 }
 470                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A),  0x01);
 471                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B),  0x01);
 472                 split = 1;
 473         }
 474
 475         /* irqs */
 476         saa_writeb(SAA7134_REGION_ENABLE, task);
 477         saa_writel(SAA7134_IRQ1,          irq);
 478         saa_andorl(SAA7134_MAIN_CTRL,
 479                    SAA7134_MAIN_CTRL_TE0 |
 480                    SAA7134_MAIN_CTRL_TE1 |
 481                    SAA7134_MAIN_CTRL_TE2 |
 482                    SAA7134_MAIN_CTRL_TE3 |
 483                    SAA7134_MAIN_CTRL_TE4 |
 484                    SAA7134_MAIN_CTRL_TE5 |
 485                    SAA7134_MAIN_CTRL_TE6,
 486                    ctrl);
 487         dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
 488                 task, ctrl, irq, split ? "no" : "yes");
 489
 490         return 0;
 491 }
 492
 493 /* ------------------------------------------------------------------ */
 494 /* IRQ handler + helpers                                              */
 495
 496 static char *irqbits[] = {
 497         "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
 498         "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
 499         "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
 500         "GPIO16?", "GPIO18", "GPIO22", "GPIO23"
 501 };
 502 #define IRQBITS ARRAY_SIZE(irqbits)
 503
 504 static void print_irqstatus(struct saa7134_dev *dev, int loop,
 505                             unsigned long report, unsigned long status)
 506 {
 507         unsigned int i;
 508
 509         printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx",
 510                dev->name,loop,jiffies,report,status);
 511         for (i = 0; i < IRQBITS; i++) {
 512                 if (!(report & (1 << i)))
 513                         continue;
 514                 printk(" %s",irqbits[i]);
 515         }
 516         if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
 517                 printk(" | RA0=%s,%s,%s,%ld",
 518                        (status & 0x40) ? "vbi"  : "video",
 519                        (status & 0x20) ? "b"    : "a",
 520                        (status & 0x10) ? "odd"  : "even",
 521                        (status & 0x0f));
 522         }
 523         printk("\n");
 524 }
 525
 526 static irqreturn_t saa7134_irq(int irq, void *dev_id)
 527 {
 528         struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
 529         unsigned long report,status;
 530         int loop, handled = 0;
 531
 532         if (dev->insuspend)
 533                 goto out;
 534
 535         for (loop = 0; loop < 10; loop++) {
 536                 report = saa_readl(SAA7134_IRQ_REPORT);
 537                 status = saa_readl(SAA7134_IRQ_STATUS);
 538
 539                 /* If dmasound support is active and we get a sound report,
 540                  * mask out the report and let the saa7134-alsa module deal
 541                  * with it */
 542                 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) &&
 543                         (dev->dmasound.priv_data != NULL) )
 544                 {
 545                         if (irq_debug > 1)
 546                                 printk(KERN_DEBUG "%s/irq: preserving DMA sound interrupt\n",
 547                                        dev->name);
 548                         report &= ~SAA7134_IRQ_REPORT_DONE_RA3;
 549                 }
 550
 551                 if (0 == report) {
 552                         if (irq_debug > 1)
 553                                 printk(KERN_DEBUG "%s/irq: no (more) work\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) ||
 565                         (report & SAA7134_IRQ_REPORT_INTL))
 566                                 saa7134_irq_video_signalchange(dev);
 567
 568
 569                 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
 570                     (status & 0x60) == 0)
 571                         saa7134_irq_video_done(dev,status);
 572
 573                 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
 574                     (status & 0x40) == 0x40)
 575                         saa7134_irq_vbi_done(dev,status);
 576
 577                 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
 578                     card_has_mpeg(dev))
 579                         saa7134_irq_ts_done(dev,status);
 580
 581                 if (report & SAA7134_IRQ_REPORT_GPIO16) {
 582                         switch (dev->has_remote) {
 583                                 case SAA7134_REMOTE_GPIO:
 584                                         if (!dev->remote)
 585                                                 break;
 586                                         if  (dev->remote->mask_keydown & 0x10000) {
 587                                                 saa7134_input_irq(dev);
 588                                         }
 589                                         break;
 590
 591                                 case SAA7134_REMOTE_I2C:
 592                                         break;                  /* FIXME: invoke I2C get_key() */
 593
 594                                 default:                        /* GPIO16 not used by IR remote */
 595                                         break;
 596                         }
 597                 }
 598
 599                 if (report & SAA7134_IRQ_REPORT_GPIO18) {
 600                         switch (dev->has_remote) {
 601                                 case SAA7134_REMOTE_GPIO:
 602                                         if (!dev->remote)
 603                                                 break;
 604                                         if ((dev->remote->mask_keydown & 0x40000) ||
 605                                             (dev->remote->mask_keyup & 0x40000)) {
 606                                                 saa7134_input_irq(dev);
 607                                         }
 608                                         break;
 609
 610                                 case SAA7134_REMOTE_I2C:
 611                                         break;                  /* FIXME: invoke I2C get_key() */
 612
 613                                 default:                        /* GPIO18 not used by IR remote */
 614                                         break;
 615                         }
 616                 }
 617         }
 618
 619         if (10 == loop) {
 620                 print_irqstatus(dev,loop,report,status);
 621                 if (report & SAA7134_IRQ_REPORT_PE) {
 622                         /* disable all parity error */
 623                         printk(KERN_WARNING "%s/irq: looping -- "
 624                                "clearing PE (parity error!) enable bit\n",dev->name);
 625                         saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
 626                 } else if (report & SAA7134_IRQ_REPORT_GPIO16) {
 627                         /* disable gpio16 IRQ */
 628                         printk(KERN_WARNING "%s/irq: looping -- "
 629                                "clearing GPIO16 enable bit\n",dev->name);
 630                         saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16);
 631                 } else if (report & SAA7134_IRQ_REPORT_GPIO18) {
 632                         /* disable gpio18 IRQs */
 633                         printk(KERN_WARNING "%s/irq: looping -- "
 634                                "clearing GPIO18 enable bit\n",dev->name);
 635                         saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18);
 636                 } else {
 637                         /* disable all irqs */
 638                         printk(KERN_WARNING "%s/irq: looping -- "
 639                                "clearing all enable bits\n",dev->name);
 640                         saa_writel(SAA7134_IRQ1,0);
 641                         saa_writel(SAA7134_IRQ2,0);
 642                 }
 643         }
 644
 645  out:
 646         return IRQ_RETVAL(handled);
 647 }
 648
 649 /* ------------------------------------------------------------------ */
 650
 651 /* early init (no i2c, no irq) */
 652
 653 static int saa7134_hw_enable1(struct saa7134_dev *dev)
 654 {
 655         /* RAM FIFO config */
 656         saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
 657         saa_writel(SAA7134_THRESHOULD, 0x02020202);
 658
 659         /* enable audio + video processing */
 660         saa_writel(SAA7134_MAIN_CTRL,
 661                         SAA7134_MAIN_CTRL_VPLLE |
 662                         SAA7134_MAIN_CTRL_APLLE |
 663                         SAA7134_MAIN_CTRL_EXOSC |
 664                         SAA7134_MAIN_CTRL_EVFE1 |
 665                         SAA7134_MAIN_CTRL_EVFE2 |
 666                         SAA7134_MAIN_CTRL_ESFE  |
 667                         SAA7134_MAIN_CTRL_EBDAC);
 668
 669         /*
 670         * Initialize OSS _after_ enabling audio clock PLL and audio processing.
 671         * OSS initialization writes to registers via the audio DSP; these
 672         * writes will fail unless the audio clock has been started.  At worst,
 673         * audio will not work.
 674         */
 675
 676         /* enable peripheral devices */
 677         saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
 678
 679         /* set vertical line numbering start (vbi needs this) */
 680         saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
 681
 682         return 0;
 683 }
 684
 685 static int saa7134_hwinit1(struct saa7134_dev *dev)
 686 {
 687         dprintk("hwinit1\n");
 688
 689         saa_writel(SAA7134_IRQ1, 0);
 690         saa_writel(SAA7134_IRQ2, 0);
 691         mutex_init(&dev->lock);
 692         spin_lock_init(&dev->slock);
 693
 694         saa7134_track_gpio(dev,"pre-init");
 695         saa7134_video_init1(dev);
 696         saa7134_vbi_init1(dev);
 697         if (card_has_mpeg(dev))
 698                 saa7134_ts_init1(dev);
 699         saa7134_input_init1(dev);
 700
 701         saa7134_hw_enable1(dev);
 702
 703         return 0;
 704 }
 705
 706 /* late init (with i2c + irq) */
 707 static int saa7134_hw_enable2(struct saa7134_dev *dev)
 708 {
 709
 710         unsigned int irq2_mask;
 711
 712         /* enable IRQ's */
 713         irq2_mask =
 714                 SAA7134_IRQ2_INTE_DEC3    |
 715                 SAA7134_IRQ2_INTE_DEC2    |
 716                 SAA7134_IRQ2_INTE_DEC1    |
 717                 SAA7134_IRQ2_INTE_DEC0    |
 718                 SAA7134_IRQ2_INTE_PE      |
 719                 SAA7134_IRQ2_INTE_AR;
 720
 721         if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) {
 722                 if (dev->remote->mask_keydown & 0x10000)
 723                         irq2_mask |= SAA7134_IRQ2_INTE_GPIO16;
 724                 else if (dev->remote->mask_keydown & 0x40000)
 725                         irq2_mask |= SAA7134_IRQ2_INTE_GPIO18;
 726                 else if (dev->remote->mask_keyup & 0x40000)
 727                         irq2_mask |= SAA7134_IRQ2_INTE_GPIO18A;
 728         }
 729
 730         saa_writel(SAA7134_IRQ1, 0);
 731         saa_writel(SAA7134_IRQ2, irq2_mask);
 732
 733         return 0;
 734 }
 735
 736 static int saa7134_hwinit2(struct saa7134_dev *dev)
 737 {
 738
 739         dprintk("hwinit2\n");
 740
 741         saa7134_video_init2(dev);
 742         saa7134_tvaudio_init2(dev);
 743
 744         saa7134_hw_enable2(dev);
 745
 746         return 0;
 747 }
 748
 749
 750 /* shutdown */
 751 static int saa7134_hwfini(struct saa7134_dev *dev)
 752 {
 753         dprintk("hwfini\n");
 754
 755         if (card_has_mpeg(dev))
 756                 saa7134_ts_fini(dev);
 757         saa7134_input_fini(dev);
 758         saa7134_vbi_fini(dev);
 759         saa7134_tvaudio_fini(dev);
 760         return 0;
 761 }
 762
 763 static void __devinit must_configure_manually(void)
 764 {
 765         unsigned int i,p;
 766
 767         printk(KERN_WARNING
 768                "saa7134: <rant>\n"
 769                "saa7134:  Congratulations!  Your TV card vendor saved a few\n"
 770                "saa7134:  cents for a eeprom, thus your pci board has no\n"
 771                "saa7134:  subsystem ID and I can't identify it automatically\n"
 772                "saa7134: </rant>\n"
 773                "saa7134: I feel better now.  Ok, here are the good news:\n"
 774                "saa7134: You can use the card=<nr> insmod option to specify\n"
 775                "saa7134: which board do you have.  The list:\n");
 776         for (i = 0; i < saa7134_bcount; i++) {
 777                 printk(KERN_WARNING "saa7134:   card=%d -> %-40.40s",
 778                        i,saa7134_boards[i].name);
 779                 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
 780                         if (saa7134_pci_tbl[p].driver_data != i)
 781                                 continue;
 782                         printk(" %04x:%04x",
 783                                saa7134_pci_tbl[p].subvendor,
 784                                saa7134_pci_tbl[p].subdevice);
 785                 }
 786                 printk("\n");
 787         }
 788 }
 789
 790 static struct video_device *vdev_init(struct saa7134_dev *dev,
 791                                       struct video_device *template,
 792                                       char *type)
 793 {
 794         struct video_device *vfd;
 795
 796         vfd = video_device_alloc();
 797         if (NULL == vfd)
 798                 return NULL;
 799         *vfd = *template;
 800         vfd->minor   = -1;
 801         vfd->dev     = &dev->pci->dev;
 802         vfd->release = video_device_release;
 803         vfd->debug   = video_debug;
 804         snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
 805                  dev->name, type, saa7134_boards[dev->board].name);
 806         return vfd;
 807 }
 808
 809 static void saa7134_unregister_video(struct saa7134_dev *dev)
 810 {
 811         if (dev->video_dev) {
 812                 if (-1 != dev->video_dev->minor)
 813                         video_unregister_device(dev->video_dev);
 814                 else
 815                         video_device_release(dev->video_dev);
 816                 dev->video_dev = NULL;
 817         }
 818         if (dev->vbi_dev) {
 819                 if (-1 != dev->vbi_dev->minor)
 820                         video_unregister_device(dev->vbi_dev);
 821                 else
 822                         video_device_release(dev->vbi_dev);
 823                 dev->vbi_dev = NULL;
 824         }
 825         if (dev->radio_dev) {
 826                 if (-1 != dev->radio_dev->minor)
 827                         video_unregister_device(dev->radio_dev);
 828                 else
 829                         video_device_release(dev->radio_dev);
 830                 dev->radio_dev = NULL;
 831         }
 832 }
 833
 834 static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
 835                             struct saa7134_dev *dev)
 836 {
 837         int err;
 838
 839         if (NULL != dev->mops)
 840                 return;
 841         if (saa7134_boards[dev->board].mpeg != ops->type)
 842                 return;
 843         err = ops->init(dev);
 844         if (0 != err)
 845                 return;
 846         dev->mops = ops;
 847 }
 848
 849 static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
 850                             struct saa7134_dev *dev)
 851 {
 852         if (NULL == dev->mops)
 853                 return;
 854         if (dev->mops != ops)
 855                 return;
 856         dev->mops->fini(dev);
 857         dev->mops = NULL;
 858 }
 859
 860 static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
 861                                      const struct pci_device_id *pci_id)
 862 {
 863         struct saa7134_dev *dev;
 864         struct saa7134_mpeg_ops *mops;
 865         int err;
 866
 867         if (saa7134_devcount == SAA7134_MAXBOARDS)
 868                 return -ENOMEM;
 869
 870         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
 871         if (NULL == dev)
 872                 return -ENOMEM;
 873
 874         /* pci init */
 875         dev->pci = pci_dev;
 876         if (pci_enable_device(pci_dev)) {
 877                 err = -EIO;
 878                 goto fail1;
 879         }
 880
 881         dev->nr = saa7134_devcount;
 882         sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr);
 883
 884         /* pci quirks */
 885         if (pci_pci_problems) {
 886                 if (pci_pci_problems & PCIPCI_TRITON)
 887                         printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name);
 888                 if (pci_pci_problems & PCIPCI_NATOMA)
 889                         printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name);
 890                 if (pci_pci_problems & PCIPCI_VIAETBF)
 891                         printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name);
 892                 if (pci_pci_problems & PCIPCI_VSFX)
 893                         printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name);
 894 #ifdef PCIPCI_ALIMAGIK
 895                 if (pci_pci_problems & PCIPCI_ALIMAGIK) {
 896                         printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
 897                                dev->name);
 898                         latency = 0x0A;
 899                 }
 900 #endif
 901                 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) {
 902                         printk(KERN_INFO "%s: quirk: this driver and your "
 903                                         "chipset may not work together"
 904                                         " in overlay mode.\n",dev->name);
 905                         if (!saa7134_no_overlay) {
 906                                 printk(KERN_INFO "%s: quirk: overlay "
 907                                                 "mode will be disabled.\n",
 908                                                 dev->name);
 909                                 saa7134_no_overlay = 1;
 910                         } else {
 911                                 printk(KERN_INFO "%s: quirk: overlay "
 912                                                 "mode will be forced. Use this"
 913                                                 " option at your own risk.\n",
 914                                                 dev->name);
 915                         }
 916                 }
 917         }
 918         if (UNSET != latency) {
 919                 printk(KERN_INFO "%s: setting pci latency timer to %d\n",
 920                        dev->name,latency);
 921                 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
 922         }
 923
 924         /* print pci info */
 925         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
 926         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
 927         printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, "
 928                "latency: %d, mmio: 0x%llx\n", dev->name,
 929                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
 930                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
 931         pci_set_master(pci_dev);
 932         if (!pci_dma_supported(pci_dev, DMA_32BIT_MASK)) {
 933                 printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name);
 934                 err = -EIO;
 935                 goto fail1;
 936         }
 937
 938         /* board config */
 939         dev->board = pci_id->driver_data;
 940         if (card[dev->nr] >= 0 &&
 941             card[dev->nr] < saa7134_bcount)
 942                 dev->board = card[dev->nr];
 943         if (SAA7134_BOARD_NOAUTO == dev->board) {
 944                 must_configure_manually();
 945                 dev->board = SAA7134_BOARD_UNKNOWN;
 946         }
 947         dev->autodetected = card[dev->nr] != dev->board;
 948         dev->tuner_type   = saa7134_boards[dev->board].tuner_type;
 949         dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
 950         if (UNSET != tuner[dev->nr])
 951                 dev->tuner_type = tuner[dev->nr];
 952                 printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
 953                 dev->name,pci_dev->subsystem_vendor,
 954                 pci_dev->subsystem_device,saa7134_boards[dev->board].name,
 955                 dev->board, dev->autodetected ?
 956                 "autodetected" : "insmod option");
 957
 958         /* get mmio */
 959         if (!request_mem_region(pci_resource_start(pci_dev,0),
 960                                 pci_resource_len(pci_dev,0),
 961                                 dev->name)) {
 962                 err = -EBUSY;
 963                 printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n",
 964                        dev->name,(unsigned long long)pci_resource_start(pci_dev,0));
 965                 goto fail1;
 966         }
 967         dev->lmmio = ioremap(pci_resource_start(pci_dev,0), 0x1000);
 968         dev->bmmio = (__u8 __iomem *)dev->lmmio;
 969         if (NULL == dev->lmmio) {
 970                 err = -EIO;
 971                 printk(KERN_ERR "%s: can't ioremap() MMIO memory\n",
 972                        dev->name);
 973                 goto fail2;
 974         }
 975
 976         /* initialize hardware #1 */
 977         saa7134_board_init1(dev);
 978         saa7134_hwinit1(dev);
 979
 980         /* get irq */
 981         err = request_irq(pci_dev->irq, saa7134_irq,
 982                           IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
 983         if (err < 0) {
 984                 printk(KERN_ERR "%s: can't get IRQ %d\n",
 985                        dev->name,pci_dev->irq);
 986                 goto fail3;
 987         }
 988
 989         /* wait a bit, register i2c bus */
 990         msleep(100);
 991         saa7134_i2c_register(dev);
 992
 993         /* initialize hardware #2 */
 994         if (TUNER_ABSENT != dev->tuner_type)
 995                 request_module("tuner");
 996         saa7134_board_init2(dev);
 997
 998         saa7134_hwinit2(dev);
 999
1000         /* load i2c helpers */
1001         if (card_is_empress(dev)) {
1002                 request_module("saa6752hs");
1003         }
1004
1005         request_submodules(dev);
1006
1007         v4l2_prio_init(&dev->prio);
1008
1009         /* register v4l devices */
1010         if (saa7134_no_overlay <= 0) {
1011                 saa7134_video_template.type |= VID_TYPE_OVERLAY;
1012         } else {
1013                 printk("%s: Overlay support disabled.\n",dev->name);
1014         }
1015         dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
1016         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1017                                     video_nr[dev->nr]);
1018         if (err < 0) {
1019                 printk(KERN_INFO "%s: can't register video device\n",
1020                        dev->name);
1021                 goto fail4;
1022         }
1023         printk(KERN_INFO "%s: registered device video%d [v4l2]\n",
1024                dev->name,dev->video_dev->minor & 0x1f);
1025
1026         dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi");
1027         dev->vbi_dev->type = VID_TYPE_TUNER | VID_TYPE_TELETEXT;
1028
1029         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1030                                     vbi_nr[dev->nr]);
1031         if (err < 0)
1032                 goto fail4;
1033         printk(KERN_INFO "%s: registered device vbi%d\n",
1034                dev->name,dev->vbi_dev->minor & 0x1f);
1035
1036         if (card_has_radio(dev)) {
1037                 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
1038                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1039                                             radio_nr[dev->nr]);
1040                 if (err < 0)
1041                         goto fail4;
1042                 printk(KERN_INFO "%s: registered device radio%d\n",
1043                        dev->name,dev->radio_dev->minor & 0x1f);
1044         }
1045
1046         /* everything worked */
1047         pci_set_drvdata(pci_dev,dev);
1048         saa7134_devcount++;
1049
1050         mutex_lock(&devlist_lock);
1051         list_for_each_entry(mops, &mops_list, next)
1052                 mpeg_ops_attach(mops, dev);
1053         list_add_tail(&dev->devlist,&saa7134_devlist);
1054         mutex_unlock(&devlist_lock);
1055
1056         /* check for signal */
1057         saa7134_irq_video_signalchange(dev);
1058
1059         if (saa7134_dmasound_init && !dev->dmasound.priv_data) {
1060                 saa7134_dmasound_init(dev);
1061         }
1062
1063         if (TUNER_ABSENT != dev->tuner_type)
1064                 saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
1065
1066         return 0;
1067
1068  fail4:
1069         saa7134_unregister_video(dev);
1070         saa7134_i2c_unregister(dev);
1071         free_irq(pci_dev->irq, dev);
1072  fail3:
1073         saa7134_hwfini(dev);
1074         iounmap(dev->lmmio);
1075  fail2:
1076         release_mem_region(pci_resource_start(pci_dev,0),
1077                            pci_resource_len(pci_dev,0));
1078  fail1:
1079         kfree(dev);
1080         return err;
1081 }
1082
1083 static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
1084 {
1085         struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
1086         struct saa7134_mpeg_ops *mops;
1087
1088         /* Release DMA sound modules if present */
1089         if (saa7134_dmasound_exit && dev->dmasound.priv_data) {
1090                 saa7134_dmasound_exit(dev);
1091         }
1092
1093         /* debugging ... */
1094         if (irq_debug) {
1095                 u32 report = saa_readl(SAA7134_IRQ_REPORT);
1096                 u32 status = saa_readl(SAA7134_IRQ_STATUS);
1097                 print_irqstatus(dev,42,report,status);
1098         }
1099
1100         /* disable peripheral devices */
1101         saa_writeb(SAA7134_SPECIAL_MODE,0);
1102
1103         /* shutdown hardware */
1104         saa_writel(SAA7134_IRQ1,0);
1105         saa_writel(SAA7134_IRQ2,0);
1106         saa_writel(SAA7134_MAIN_CTRL,0);
1107
1108         /* shutdown subsystems */
1109         saa7134_hwfini(dev);
1110
1111         /* unregister */
1112         mutex_lock(&devlist_lock);
1113         list_del(&dev->devlist);
1114         list_for_each_entry(mops, &mops_list, next)
1115                 mpeg_ops_detach(mops, dev);
1116         mutex_unlock(&devlist_lock);
1117         saa7134_devcount--;
1118
1119         saa7134_i2c_unregister(dev);
1120         saa7134_unregister_video(dev);
1121
1122
1123         /* the DMA sound modules should be unloaded before reaching
1124            this, but just in case they are still present... */
1125         if (dev->dmasound.priv_data != NULL) {
1126                 free_irq(pci_dev->irq, &dev->dmasound);
1127                 dev->dmasound.priv_data = NULL;
1128         }
1129
1130
1131         /* release resources */
1132         free_irq(pci_dev->irq, dev);
1133         iounmap(dev->lmmio);
1134         release_mem_region(pci_resource_start(pci_dev,0),
1135                            pci_resource_len(pci_dev,0));
1136
1137         pci_set_drvdata(pci_dev, NULL);
1138
1139         /* free memory */
1140         kfree(dev);
1141 }
1142
1143 #ifdef CONFIG_PM
1144 static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state)
1145 {
1146
1147         struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
1148
1149         /* disable overlay - apps should enable it explicitly on resume*/
1150         dev->ovenable = 0;
1151
1152         /* Disable interrupts, DMA, and rest of the chip*/
1153         saa_writel(SAA7134_IRQ1, 0);
1154         saa_writel(SAA7134_IRQ2, 0);
1155         saa_writel(SAA7134_MAIN_CTRL, 0);
1156
1157         dev->insuspend = 1;
1158         synchronize_irq(pci_dev->irq);
1159
1160         /* ACK interrupts once more, just in case,
1161                 since the IRQ handler won't ack them anymore*/
1162
1163         saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
1164
1165         /* Disable timeout timers - if we have active buffers, we will
1166            fill them on resume*/
1167
1168         del_timer(&dev->video_q.timeout);
1169         del_timer(&dev->vbi_q.timeout);
1170         del_timer(&dev->ts_q.timeout);
1171
1172         if (dev->remote)
1173                 saa7134_ir_stop(dev);
1174
1175         pci_save_state(pci_dev);
1176         pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
1177
1178         return 0;
1179 }
1180
1181 static int saa7134_resume(struct pci_dev *pci_dev)
1182 {
1183         struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
1184         unsigned long flags;
1185
1186         pci_set_power_state(pci_dev, PCI_D0);
1187         pci_restore_state(pci_dev);
1188
1189         /* Do things that are done in saa7134_initdev ,
1190                 except of initializing memory structures.*/
1191
1192         saa7134_board_init1(dev);
1193
1194         /* saa7134_hwinit1 */
1195         if (saa7134_boards[dev->board].video_out)
1196                 saa7134_videoport_init(dev);
1197         if (card_has_mpeg(dev))
1198                 saa7134_ts_init_hw(dev);
1199         if (dev->remote)
1200                 saa7134_ir_start(dev, dev->remote);
1201         saa7134_hw_enable1(dev);
1202
1203         msleep(100);
1204
1205         saa7134_board_init2(dev);
1206
1207         /*saa7134_hwinit2*/
1208         saa7134_set_tvnorm_hw(dev);
1209         saa7134_tvaudio_setmute(dev);
1210         saa7134_tvaudio_setvolume(dev, dev->ctl_volume);
1211         saa7134_tvaudio_init(dev);
1212         saa7134_tvaudio_do_scan(dev);
1213         saa7134_enable_i2s(dev);
1214         saa7134_hw_enable2(dev);
1215
1216         saa7134_irq_video_signalchange(dev);
1217
1218         /*resume unfinished buffer(s)*/
1219         spin_lock_irqsave(&dev->slock, flags);
1220         saa7134_buffer_requeue(dev, &dev->video_q);
1221         saa7134_buffer_requeue(dev, &dev->vbi_q);
1222         saa7134_buffer_requeue(dev, &dev->ts_q);
1223
1224         /* FIXME: Disable DMA audio sound - temporary till proper support
1225                   is implemented*/
1226
1227         dev->dmasound.dma_running = 0;
1228
1229         /* start DMA now*/
1230         dev->insuspend = 0;
1231         smp_wmb();
1232         saa7134_set_dmabits(dev);
1233         spin_unlock_irqrestore(&dev->slock, flags);
1234
1235         return 0;
1236 }
1237 #endif
1238
1239 /* ----------------------------------------------------------- */
1240
1241 int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1242 {
1243         struct saa7134_dev *dev;
1244
1245         mutex_lock(&devlist_lock);
1246         list_for_each_entry(dev, &saa7134_devlist, devlist)
1247                 mpeg_ops_attach(ops, dev);
1248         list_add_tail(&ops->next,&mops_list);
1249         mutex_unlock(&devlist_lock);
1250         return 0;
1251 }
1252
1253 void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1254 {
1255         struct saa7134_dev *dev;
1256
1257         mutex_lock(&devlist_lock);
1258         list_del(&ops->next);
1259         list_for_each_entry(dev, &saa7134_devlist, devlist)
1260                 mpeg_ops_detach(ops, dev);
1261         mutex_unlock(&devlist_lock);
1262 }
1263
1264 EXPORT_SYMBOL(saa7134_ts_register);
1265 EXPORT_SYMBOL(saa7134_ts_unregister);
1266
1267 /* ----------------------------------------------------------- */
1268
1269 static struct pci_driver saa7134_pci_driver = {
1270         .name     = "saa7134",
1271         .id_table = saa7134_pci_tbl,
1272         .probe    = saa7134_initdev,
1273         .remove   = __devexit_p(saa7134_finidev),
1274 #ifdef CONFIG_PM
1275         .suspend  = saa7134_suspend,
1276         .resume   = saa7134_resume
1277 #endif
1278 };
1279
1280 static int saa7134_init(void)
1281 {
1282         INIT_LIST_HEAD(&saa7134_devlist);
1283         printk(KERN_INFO "saa7130/34: v4l2 driver version %d.%d.%d loaded\n",
1284                (SAA7134_VERSION_CODE >> 16) & 0xff,
1285                (SAA7134_VERSION_CODE >>  8) & 0xff,
1286                SAA7134_VERSION_CODE & 0xff);
1287 #ifdef SNAPSHOT
1288         printk(KERN_INFO "saa7130/34: snapshot date %04d-%02d-%02d\n",
1289                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1290 #endif
1291         return pci_register_driver(&saa7134_pci_driver);
1292 }
1293
1294 static void saa7134_fini(void)
1295 {
1296         pci_unregister_driver(&saa7134_pci_driver);
1297 }
1298
1299 module_init(saa7134_init);
1300 module_exit(saa7134_fini);
1301
1302 /* ----------------------------------------------------------- */
1303
1304 EXPORT_SYMBOL(saa7134_set_gpio);
1305 EXPORT_SYMBOL(saa7134_i2c_call_clients);
1306 EXPORT_SYMBOL(saa7134_devlist);
1307 EXPORT_SYMBOL(saa7134_boards);
1308
1309 /* ----------------- for the DMA sound modules --------------- */
1310
1311 EXPORT_SYMBOL(saa7134_dmasound_init);
1312 EXPORT_SYMBOL(saa7134_dmasound_exit);
1313 EXPORT_SYMBOL(saa7134_pgtable_free);
1314 EXPORT_SYMBOL(saa7134_pgtable_build);
1315 EXPORT_SYMBOL(saa7134_pgtable_alloc);
1316 EXPORT_SYMBOL(saa7134_set_dmabits);
1317
1318 /* ----------------------------------------------------------- */
1319 /*
1320  * Local variables:
1321  * c-basic-offset: 8
1322  * End:
1323  */