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 /* ------------------------------------------------------------------ */
 363
 364 int saa7134_set_dmabits(struct saa7134_dev *dev)
 365 {
 366         u32 split, task=0, ctrl=0, irq=0;
 367         enum v4l2_field cap = V4L2_FIELD_ANY;
 368         enum v4l2_field ov  = V4L2_FIELD_ANY;
 369
 370         assert_spin_locked(&dev->slock);
 371
 372         if (dev->insuspend)
 373                 return 0;
 374
 375         /* video capture -- dma 0 + video task A */
 376         if (dev->video_q.curr) {
 377                 task |= 0x01;
 378                 ctrl |= SAA7134_MAIN_CTRL_TE0;
 379                 irq  |= SAA7134_IRQ1_INTE_RA0_1 |
 380                         SAA7134_IRQ1_INTE_RA0_0;
 381                 cap = dev->video_q.curr->vb.field;
 382         }
 383
 384         /* video capture -- dma 1+2 (planar modes) */
 385         if (dev->video_q.curr &&
 386             dev->video_q.curr->fmt->planar) {
 387                 ctrl |= SAA7134_MAIN_CTRL_TE4 |
 388                         SAA7134_MAIN_CTRL_TE5;
 389         }
 390
 391         /* screen overlay -- dma 0 + video task B */
 392         if (dev->ovenable) {
 393                 task |= 0x10;
 394                 ctrl |= SAA7134_MAIN_CTRL_TE1;
 395                 ov = dev->ovfield;
 396         }
 397
 398         /* vbi capture -- dma 0 + vbi task A+B */
 399         if (dev->vbi_q.curr) {
 400                 task |= 0x22;
 401                 ctrl |= SAA7134_MAIN_CTRL_TE2 |
 402                         SAA7134_MAIN_CTRL_TE3;
 403                 irq  |= SAA7134_IRQ1_INTE_RA0_7 |
 404                         SAA7134_IRQ1_INTE_RA0_6 |
 405                         SAA7134_IRQ1_INTE_RA0_5 |
 406                         SAA7134_IRQ1_INTE_RA0_4;
 407         }
 408
 409         /* audio capture -- dma 3 */
 410         if (dev->dmasound.dma_running) {
 411                 ctrl |= SAA7134_MAIN_CTRL_TE6;
 412                 irq  |= SAA7134_IRQ1_INTE_RA3_1 |
 413                         SAA7134_IRQ1_INTE_RA3_0;
 414         }
 415
 416         /* TS capture -- dma 5 */
 417         if (dev->ts_q.curr) {
 418                 ctrl |= SAA7134_MAIN_CTRL_TE5;
 419                 irq  |= SAA7134_IRQ1_INTE_RA2_3 |
 420                         SAA7134_IRQ1_INTE_RA2_2 |
 421                         SAA7134_IRQ1_INTE_RA2_1 |
 422                         SAA7134_IRQ1_INTE_RA2_0;
 423         }
 424
 425         /* set task conditions + field handling */
 426         if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
 427                 /* default config -- use full frames */
 428                 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
 429                 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
 430                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A),  0x02);
 431                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B),  0x02);
 432                 split = 0;
 433         } else {
 434                 /* split fields between tasks */
 435                 if (V4L2_FIELD_TOP == cap) {
 436                         /* odd A, even B, repeat */
 437                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
 438                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
 439                 } else {
 440                         /* odd B, even A, repeat */
 441                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
 442                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
 443                 }
 444                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A),  0x01);
 445                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B),  0x01);
 446                 split = 1;
 447         }
 448
 449         /* irqs */
 450         saa_writeb(SAA7134_REGION_ENABLE, task);
 451         saa_writel(SAA7134_IRQ1,          irq);
 452         saa_andorl(SAA7134_MAIN_CTRL,
 453                    SAA7134_MAIN_CTRL_TE0 |
 454                    SAA7134_MAIN_CTRL_TE1 |
 455                    SAA7134_MAIN_CTRL_TE2 |
 456                    SAA7134_MAIN_CTRL_TE3 |
 457                    SAA7134_MAIN_CTRL_TE4 |
 458                    SAA7134_MAIN_CTRL_TE5 |
 459                    SAA7134_MAIN_CTRL_TE6,
 460                    ctrl);
 461         dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
 462                 task, ctrl, irq, split ? "no" : "yes");
 463
 464         return 0;
 465 }
 466
 467 /* ------------------------------------------------------------------ */
 468 /* IRQ handler + helpers                                              */
 469
 470 static char *irqbits[] = {
 471         "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
 472         "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
 473         "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
 474         "GPIO16?", "GPIO18", "GPIO22", "GPIO23"
 475 };
 476 #define IRQBITS ARRAY_SIZE(irqbits)
 477
 478 static void print_irqstatus(struct saa7134_dev *dev, int loop,
 479                             unsigned long report, unsigned long status)
 480 {
 481         unsigned int i;
 482
 483         printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx",
 484                dev->name,loop,jiffies,report,status);
 485         for (i = 0; i < IRQBITS; i++) {
 486                 if (!(report & (1 << i)))
 487                         continue;
 488                 printk(" %s",irqbits[i]);
 489         }
 490         if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
 491                 printk(" | RA0=%s,%s,%s,%ld",
 492                        (status & 0x40) ? "vbi"  : "video",
 493                        (status & 0x20) ? "b"    : "a",
 494                        (status & 0x10) ? "odd"  : "even",
 495                        (status & 0x0f));
 496         }
 497         printk("\n");
 498 }
 499
 500 static irqreturn_t saa7134_irq(int irq, void *dev_id)
 501 {
 502         struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
 503         unsigned long report,status;
 504         int loop, handled = 0;
 505
 506         if (dev->insuspend)
 507                 goto out;
 508
 509         for (loop = 0; loop < 10; loop++) {
 510                 report = saa_readl(SAA7134_IRQ_REPORT);
 511                 status = saa_readl(SAA7134_IRQ_STATUS);
 512
 513                 /* If dmasound support is active and we get a sound report,
 514                  * mask out the report and let the saa7134-alsa module deal
 515                  * with it */
 516                 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) &&
 517                         (dev->dmasound.priv_data != NULL) )
 518                 {
 519                         if (irq_debug > 1)
 520                                 printk(KERN_DEBUG "%s/irq: preserving DMA sound interrupt\n",
 521                                        dev->name);
 522                         report &= ~SAA7134_IRQ_REPORT_DONE_RA3;
 523                 }
 524
 525                 if (0 == report) {
 526                         if (irq_debug > 1)
 527                                 printk(KERN_DEBUG "%s/irq: no (more) work\n",
 528                                        dev->name);
 529                         goto out;
 530                 }
 531
 532                 handled = 1;
 533                 saa_writel(SAA7134_IRQ_REPORT,report);
 534                 if (irq_debug)
 535                         print_irqstatus(dev,loop,report,status);
 536
 537
 538                 if ((report & SAA7134_IRQ_REPORT_RDCAP) ||
 539                         (report & SAA7134_IRQ_REPORT_INTL))
 540                                 saa7134_irq_video_signalchange(dev);
 541
 542
 543                 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
 544                     (status & 0x60) == 0)
 545                         saa7134_irq_video_done(dev,status);
 546
 547                 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
 548                     (status & 0x40) == 0x40)
 549                         saa7134_irq_vbi_done(dev,status);
 550
 551                 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
 552                     card_has_mpeg(dev))
 553                         saa7134_irq_ts_done(dev,status);
 554
 555                 if (report & SAA7134_IRQ_REPORT_GPIO16) {
 556                         switch (dev->has_remote) {
 557                                 case SAA7134_REMOTE_GPIO:
 558                                         if (!dev->remote)
 559                                                 break;
 560                                         if  (dev->remote->mask_keydown & 0x10000) {
 561                                                 saa7134_input_irq(dev);
 562                                         }
 563                                         break;
 564
 565                                 case SAA7134_REMOTE_I2C:
 566                                         break;                  /* FIXME: invoke I2C get_key() */
 567
 568                                 default:                        /* GPIO16 not used by IR remote */
 569                                         break;
 570                         }
 571                 }
 572
 573                 if (report & SAA7134_IRQ_REPORT_GPIO18) {
 574                         switch (dev->has_remote) {
 575                                 case SAA7134_REMOTE_GPIO:
 576                                         if (!dev->remote)
 577                                                 break;
 578                                         if ((dev->remote->mask_keydown & 0x40000) ||
 579                                             (dev->remote->mask_keyup & 0x40000)) {
 580                                                 saa7134_input_irq(dev);
 581                                         }
 582                                         break;
 583
 584                                 case SAA7134_REMOTE_I2C:
 585                                         break;                  /* FIXME: invoke I2C get_key() */
 586
 587                                 default:                        /* GPIO18 not used by IR remote */
 588                                         break;
 589                         }
 590                 }
 591         }
 592
 593         if (10 == loop) {
 594                 print_irqstatus(dev,loop,report,status);
 595                 if (report & SAA7134_IRQ_REPORT_PE) {
 596                         /* disable all parity error */
 597                         printk(KERN_WARNING "%s/irq: looping -- "
 598                                "clearing PE (parity error!) enable bit\n",dev->name);
 599                         saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
 600                 } else if (report & SAA7134_IRQ_REPORT_GPIO16) {
 601                         /* disable gpio16 IRQ */
 602                         printk(KERN_WARNING "%s/irq: looping -- "
 603                                "clearing GPIO16 enable bit\n",dev->name);
 604                         saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16);
 605                 } else if (report & SAA7134_IRQ_REPORT_GPIO18) {
 606                         /* disable gpio18 IRQs */
 607                         printk(KERN_WARNING "%s/irq: looping -- "
 608                                "clearing GPIO18 enable bit\n",dev->name);
 609                         saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18);
 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
 627 static int saa7134_hw_enable1(struct saa7134_dev *dev)
 628 {
 629         /* RAM FIFO config */
 630         saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
 631         saa_writel(SAA7134_THRESHOULD, 0x02020202);
 632
 633         /* enable audio + video processing */
 634         saa_writel(SAA7134_MAIN_CTRL,
 635                         SAA7134_MAIN_CTRL_VPLLE |
 636                         SAA7134_MAIN_CTRL_APLLE |
 637                         SAA7134_MAIN_CTRL_EXOSC |
 638                         SAA7134_MAIN_CTRL_EVFE1 |
 639                         SAA7134_MAIN_CTRL_EVFE2 |
 640                         SAA7134_MAIN_CTRL_ESFE  |
 641                         SAA7134_MAIN_CTRL_EBDAC);
 642
 643         /*
 644         * Initialize OSS _after_ enabling audio clock PLL and audio processing.
 645         * OSS initialization writes to registers via the audio DSP; these
 646         * writes will fail unless the audio clock has been started.  At worst,
 647         * audio will not work.
 648         */
 649
 650         /* enable peripheral devices */
 651         saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
 652
 653         /* set vertical line numbering start (vbi needs this) */
 654         saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
 655
 656         return 0;
 657 }
 658
 659 static int saa7134_hwinit1(struct saa7134_dev *dev)
 660 {
 661         dprintk("hwinit1\n");
 662
 663         saa_writel(SAA7134_IRQ1, 0);
 664         saa_writel(SAA7134_IRQ2, 0);
 665         mutex_init(&dev->lock);
 666         spin_lock_init(&dev->slock);
 667
 668         saa7134_track_gpio(dev,"pre-init");
 669         saa7134_video_init1(dev);
 670         saa7134_vbi_init1(dev);
 671         if (card_has_mpeg(dev))
 672                 saa7134_ts_init1(dev);
 673         saa7134_input_init1(dev);
 674
 675         saa7134_hw_enable1(dev);
 676
 677         return 0;
 678 }
 679
 680 /* late init (with i2c + irq) */
 681 static int saa7134_hw_enable2(struct saa7134_dev *dev)
 682 {
 683
 684         unsigned int irq2_mask;
 685
 686         /* enable IRQ's */
 687         irq2_mask =
 688                 SAA7134_IRQ2_INTE_DEC3    |
 689                 SAA7134_IRQ2_INTE_DEC2    |
 690                 SAA7134_IRQ2_INTE_DEC1    |
 691                 SAA7134_IRQ2_INTE_DEC0    |
 692                 SAA7134_IRQ2_INTE_PE      |
 693                 SAA7134_IRQ2_INTE_AR;
 694
 695         if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) {
 696                 if (dev->remote->mask_keydown & 0x10000)
 697                         irq2_mask |= SAA7134_IRQ2_INTE_GPIO16;
 698                 else if (dev->remote->mask_keydown & 0x40000)
 699                         irq2_mask |= SAA7134_IRQ2_INTE_GPIO18;
 700                 else if (dev->remote->mask_keyup & 0x40000)
 701                         irq2_mask |= SAA7134_IRQ2_INTE_GPIO18A;
 702         }
 703
 704         saa_writel(SAA7134_IRQ1, 0);
 705         saa_writel(SAA7134_IRQ2, irq2_mask);
 706
 707         return 0;
 708 }
 709
 710 static int saa7134_hwinit2(struct saa7134_dev *dev)
 711 {
 712
 713         dprintk("hwinit2\n");
 714
 715         saa7134_video_init2(dev);
 716         saa7134_tvaudio_init2(dev);
 717
 718         saa7134_hw_enable2(dev);
 719
 720         return 0;
 721 }
 722
 723
 724 /* shutdown */
 725 static int saa7134_hwfini(struct saa7134_dev *dev)
 726 {
 727         dprintk("hwfini\n");
 728
 729         if (card_has_mpeg(dev))
 730                 saa7134_ts_fini(dev);
 731         saa7134_input_fini(dev);
 732         saa7134_vbi_fini(dev);
 733         saa7134_tvaudio_fini(dev);
 734         return 0;
 735 }
 736
 737 static void __devinit must_configure_manually(void)
 738 {
 739         unsigned int i,p;
 740
 741         printk(KERN_WARNING
 742                "saa7134: <rant>\n"
 743                "saa7134:  Congratulations!  Your TV card vendor saved a few\n"
 744                "saa7134:  cents for a eeprom, thus your pci board has no\n"
 745                "saa7134:  subsystem ID and I can't identify it automatically\n"
 746                "saa7134: </rant>\n"
 747                "saa7134: I feel better now.  Ok, here are the good news:\n"
 748                "saa7134: You can use the card=<nr> insmod option to specify\n"
 749                "saa7134: which board do you have.  The list:\n");
 750         for (i = 0; i < saa7134_bcount; i++) {
 751                 printk(KERN_WARNING "saa7134:   card=%d -> %-40.40s",
 752                        i,saa7134_boards[i].name);
 753                 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
 754                         if (saa7134_pci_tbl[p].driver_data != i)
 755                                 continue;
 756                         printk(" %04x:%04x",
 757                                saa7134_pci_tbl[p].subvendor,
 758                                saa7134_pci_tbl[p].subdevice);
 759                 }
 760                 printk("\n");
 761         }
 762 }
 763
 764 static struct video_device *vdev_init(struct saa7134_dev *dev,
 765                                       struct video_device *template,
 766                                       char *type)
 767 {
 768         struct video_device *vfd;
 769
 770         vfd = video_device_alloc();
 771         if (NULL == vfd)
 772                 return NULL;
 773         *vfd = *template;
 774         vfd->minor   = -1;
 775         vfd->parent  = &dev->pci->dev;
 776         vfd->release = video_device_release;
 777         vfd->debug   = video_debug;
 778         snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
 779                  dev->name, type, saa7134_boards[dev->board].name);
 780         return vfd;
 781 }
 782
 783 static void saa7134_unregister_video(struct saa7134_dev *dev)
 784 {
 785         if (dev->video_dev) {
 786                 if (-1 != dev->video_dev->minor)
 787                         video_unregister_device(dev->video_dev);
 788                 else
 789                         video_device_release(dev->video_dev);
 790                 dev->video_dev = NULL;
 791         }
 792         if (dev->vbi_dev) {
 793                 if (-1 != dev->vbi_dev->minor)
 794                         video_unregister_device(dev->vbi_dev);
 795                 else
 796                         video_device_release(dev->vbi_dev);
 797                 dev->vbi_dev = NULL;
 798         }
 799         if (dev->radio_dev) {
 800                 if (-1 != dev->radio_dev->minor)
 801                         video_unregister_device(dev->radio_dev);
 802                 else
 803                         video_device_release(dev->radio_dev);
 804                 dev->radio_dev = NULL;
 805         }
 806 }
 807
 808 static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
 809                             struct saa7134_dev *dev)
 810 {
 811         int err;
 812
 813         if (NULL != dev->mops)
 814                 return;
 815         if (saa7134_boards[dev->board].mpeg != ops->type)
 816                 return;
 817         err = ops->init(dev);
 818         if (0 != err)
 819                 return;
 820         dev->mops = ops;
 821 }
 822
 823 static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
 824                             struct saa7134_dev *dev)
 825 {
 826         if (NULL == dev->mops)
 827                 return;
 828         if (dev->mops != ops)
 829                 return;
 830         dev->mops->fini(dev);
 831         dev->mops = NULL;
 832 }
 833
 834 static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
 835                                      const struct pci_device_id *pci_id)
 836 {
 837         struct saa7134_dev *dev;
 838         struct saa7134_mpeg_ops *mops;
 839         int err;
 840
 841         if (saa7134_devcount == SAA7134_MAXBOARDS)
 842                 return -ENOMEM;
 843
 844         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
 845         if (NULL == dev)
 846                 return -ENOMEM;
 847
 848         /* pci init */
 849         dev->pci = pci_dev;
 850         if (pci_enable_device(pci_dev)) {
 851                 err = -EIO;
 852                 goto fail1;
 853         }
 854
 855         dev->nr = saa7134_devcount;
 856         sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr);
 857
 858         /* pci quirks */
 859         if (pci_pci_problems) {
 860                 if (pci_pci_problems & PCIPCI_TRITON)
 861                         printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name);
 862                 if (pci_pci_problems & PCIPCI_NATOMA)
 863                         printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name);
 864                 if (pci_pci_problems & PCIPCI_VIAETBF)
 865                         printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name);
 866                 if (pci_pci_problems & PCIPCI_VSFX)
 867                         printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name);
 868 #ifdef PCIPCI_ALIMAGIK
 869                 if (pci_pci_problems & PCIPCI_ALIMAGIK) {
 870                         printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
 871                                dev->name);
 872                         latency = 0x0A;
 873                 }
 874 #endif
 875                 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) {
 876                         printk(KERN_INFO "%s: quirk: this driver and your "
 877                                         "chipset may not work together"
 878                                         " in overlay mode.\n",dev->name);
 879                         if (!saa7134_no_overlay) {
 880                                 printk(KERN_INFO "%s: quirk: overlay "
 881                                                 "mode will be disabled.\n",
 882                                                 dev->name);
 883                                 saa7134_no_overlay = 1;
 884                         } else {
 885                                 printk(KERN_INFO "%s: quirk: overlay "
 886                                                 "mode will be forced. Use this"
 887                                                 " option at your own risk.\n",
 888                                                 dev->name);
 889                         }
 890                 }
 891         }
 892         if (UNSET != latency) {
 893                 printk(KERN_INFO "%s: setting pci latency timer to %d\n",
 894                        dev->name,latency);
 895                 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
 896         }
 897
 898         /* print pci info */
 899         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
 900         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
 901         printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, "
 902                "latency: %d, mmio: 0x%llx\n", dev->name,
 903                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
 904                dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
 905         pci_set_master(pci_dev);
 906         if (!pci_dma_supported(pci_dev, DMA_32BIT_MASK)) {
 907                 printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name);
 908                 err = -EIO;
 909                 goto fail1;
 910         }
 911
 912         /* board config */
 913         dev->board = pci_id->driver_data;
 914         if (card[dev->nr] >= 0 &&
 915             card[dev->nr] < saa7134_bcount)
 916                 dev->board = card[dev->nr];
 917         if (SAA7134_BOARD_NOAUTO == dev->board) {
 918                 must_configure_manually();
 919                 dev->board = SAA7134_BOARD_UNKNOWN;
 920         }
 921         dev->autodetected = card[dev->nr] != dev->board;
 922         dev->tuner_type = saa7134_boards[dev->board].tuner_type;
 923         dev->tuner_addr = saa7134_boards[dev->board].tuner_addr;
 924         dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
 925         if (UNSET != tuner[dev->nr])
 926                 dev->tuner_type = tuner[dev->nr];
 927         printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
 928                 dev->name,pci_dev->subsystem_vendor,
 929                 pci_dev->subsystem_device,saa7134_boards[dev->board].name,
 930                 dev->board, dev->autodetected ?
 931                 "autodetected" : "insmod option");
 932
 933         /* get mmio */
 934         if (!request_mem_region(pci_resource_start(pci_dev,0),
 935                                 pci_resource_len(pci_dev,0),
 936                                 dev->name)) {
 937                 err = -EBUSY;
 938                 printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n",
 939                        dev->name,(unsigned long long)pci_resource_start(pci_dev,0));
 940                 goto fail1;
 941         }
 942         dev->lmmio = ioremap(pci_resource_start(pci_dev,0), 0x1000);
 943         dev->bmmio = (__u8 __iomem *)dev->lmmio;
 944         if (NULL == dev->lmmio) {
 945                 err = -EIO;
 946                 printk(KERN_ERR "%s: can't ioremap() MMIO memory\n",
 947                        dev->name);
 948                 goto fail2;
 949         }
 950
 951         /* initialize hardware #1 */
 952         saa7134_board_init1(dev);
 953         saa7134_hwinit1(dev);
 954
 955         /* get irq */
 956         err = request_irq(pci_dev->irq, saa7134_irq,
 957                           IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
 958         if (err < 0) {
 959                 printk(KERN_ERR "%s: can't get IRQ %d\n",
 960                        dev->name,pci_dev->irq);
 961                 goto fail3;
 962         }
 963
 964         /* wait a bit, register i2c bus */
 965         msleep(100);
 966         saa7134_i2c_register(dev);
 967
 968         /* initialize hardware #2 */
 969         if (TUNER_ABSENT != dev->tuner_type)
 970                 request_module("tuner");
 971         saa7134_board_init2(dev);
 972
 973         saa7134_hwinit2(dev);
 974
 975         /* load i2c helpers */
 976         if (card_is_empress(dev)) {
 977                 request_module("saa6752hs");
 978         }
 979
 980         request_submodules(dev);
 981
 982         v4l2_prio_init(&dev->prio);
 983
 984         /* register v4l devices */
 985         if (saa7134_no_overlay > 0)
 986                 printk(KERN_INFO "%s: Overlay support disabled.\n", dev->name);
 987
 988         dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
 989         err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
 990                                     video_nr[dev->nr]);
 991         if (err < 0) {
 992                 printk(KERN_INFO "%s: can't register video device\n",
 993                        dev->name);
 994                 goto fail4;
 995         }
 996         printk(KERN_INFO "%s: registered device video%d [v4l2]\n",
 997                dev->name,dev->video_dev->minor & 0x1f);
 998
 999         dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi");
1000
1001         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1002                                     vbi_nr[dev->nr]);
1003         if (err < 0)
1004                 goto fail4;
1005         printk(KERN_INFO "%s: registered device vbi%d\n",
1006                dev->name,dev->vbi_dev->minor & 0x1f);
1007
1008         if (card_has_radio(dev)) {
1009                 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
1010                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1011                                             radio_nr[dev->nr]);
1012                 if (err < 0)
1013                         goto fail4;
1014                 printk(KERN_INFO "%s: registered device radio%d\n",
1015                        dev->name,dev->radio_dev->minor & 0x1f);
1016         }
1017
1018         /* everything worked */
1019         pci_set_drvdata(pci_dev,dev);
1020         saa7134_devcount++;
1021
1022         mutex_lock(&devlist_lock);
1023         list_for_each_entry(mops, &mops_list, next)
1024                 mpeg_ops_attach(mops, dev);
1025         list_add_tail(&dev->devlist,&saa7134_devlist);
1026         mutex_unlock(&devlist_lock);
1027
1028         /* check for signal */
1029         saa7134_irq_video_signalchange(dev);
1030
1031         if (saa7134_dmasound_init && !dev->dmasound.priv_data) {
1032                 saa7134_dmasound_init(dev);
1033         }
1034
1035         if (TUNER_ABSENT != dev->tuner_type)
1036                 saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
1037
1038         return 0;
1039
1040  fail4:
1041         saa7134_unregister_video(dev);
1042         saa7134_i2c_unregister(dev);
1043         free_irq(pci_dev->irq, dev);
1044  fail3:
1045         saa7134_hwfini(dev);
1046         iounmap(dev->lmmio);
1047  fail2:
1048         release_mem_region(pci_resource_start(pci_dev,0),
1049                            pci_resource_len(pci_dev,0));
1050  fail1:
1051         kfree(dev);
1052         return err;
1053 }
1054
1055 static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
1056 {
1057         struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
1058         struct saa7134_mpeg_ops *mops;
1059
1060         /* Release DMA sound modules if present */
1061         if (saa7134_dmasound_exit && dev->dmasound.priv_data) {
1062                 saa7134_dmasound_exit(dev);
1063         }
1064
1065         /* debugging ... */
1066         if (irq_debug) {
1067                 u32 report = saa_readl(SAA7134_IRQ_REPORT);
1068                 u32 status = saa_readl(SAA7134_IRQ_STATUS);
1069                 print_irqstatus(dev,42,report,status);
1070         }
1071
1072         /* disable peripheral devices */
1073         saa_writeb(SAA7134_SPECIAL_MODE,0);
1074
1075         /* shutdown hardware */
1076         saa_writel(SAA7134_IRQ1,0);
1077         saa_writel(SAA7134_IRQ2,0);
1078         saa_writel(SAA7134_MAIN_CTRL,0);
1079
1080         /* shutdown subsystems */
1081         saa7134_hwfini(dev);
1082
1083         /* unregister */
1084         mutex_lock(&devlist_lock);
1085         list_del(&dev->devlist);
1086         list_for_each_entry(mops, &mops_list, next)
1087                 mpeg_ops_detach(mops, dev);
1088         mutex_unlock(&devlist_lock);
1089         saa7134_devcount--;
1090
1091         saa7134_i2c_unregister(dev);
1092         saa7134_unregister_video(dev);
1093
1094
1095         /* the DMA sound modules should be unloaded before reaching
1096            this, but just in case they are still present... */
1097         if (dev->dmasound.priv_data != NULL) {
1098                 free_irq(pci_dev->irq, &dev->dmasound);
1099                 dev->dmasound.priv_data = NULL;
1100         }
1101
1102
1103         /* release resources */
1104         free_irq(pci_dev->irq, dev);
1105         iounmap(dev->lmmio);
1106         release_mem_region(pci_resource_start(pci_dev,0),
1107                            pci_resource_len(pci_dev,0));
1108
1109         pci_set_drvdata(pci_dev, NULL);
1110
1111         /* free memory */
1112         kfree(dev);
1113 }
1114
1115 #ifdef CONFIG_PM
1116
1117 /* resends a current buffer in queue after resume */
1118 static int saa7134_buffer_requeue(struct saa7134_dev *dev,
1119                                   struct saa7134_dmaqueue *q)
1120 {
1121         struct saa7134_buf *buf, *next;
1122
1123         assert_spin_locked(&dev->slock);
1124
1125         buf  = q->curr;
1126         next = buf;
1127         dprintk("buffer_requeue\n");
1128
1129         if (!buf)
1130                 return 0;
1131
1132         dprintk("buffer_requeue : resending active buffers \n");
1133
1134         if (!list_empty(&q->queue))
1135                 next = list_entry(q->queue.next, struct saa7134_buf,
1136                                           vb.queue);
1137         buf->activate(dev, buf, next);
1138
1139         return 0;
1140 }
1141
1142 static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state)
1143 {
1144
1145         struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
1146
1147         /* disable overlay - apps should enable it explicitly on resume*/
1148         dev->ovenable = 0;
1149
1150         /* Disable interrupts, DMA, and rest of the chip*/
1151         saa_writel(SAA7134_IRQ1, 0);
1152         saa_writel(SAA7134_IRQ2, 0);
1153         saa_writel(SAA7134_MAIN_CTRL, 0);
1154
1155         dev->insuspend = 1;
1156         synchronize_irq(pci_dev->irq);
1157
1158         /* ACK interrupts once more, just in case,
1159                 since the IRQ handler won't ack them anymore*/
1160
1161         saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
1162
1163         /* Disable timeout timers - if we have active buffers, we will
1164            fill them on resume*/
1165
1166         del_timer(&dev->video_q.timeout);
1167         del_timer(&dev->vbi_q.timeout);
1168         del_timer(&dev->ts_q.timeout);
1169
1170         if (dev->remote)
1171                 saa7134_ir_stop(dev);
1172
1173         pci_save_state(pci_dev);
1174         pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
1175
1176         return 0;
1177 }
1178
1179 static int saa7134_resume(struct pci_dev *pci_dev)
1180 {
1181         struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
1182         unsigned long flags;
1183
1184         pci_set_power_state(pci_dev, PCI_D0);
1185         pci_restore_state(pci_dev);
1186
1187         /* Do things that are done in saa7134_initdev ,
1188                 except of initializing memory structures.*/
1189
1190         saa7134_board_init1(dev);
1191
1192         /* saa7134_hwinit1 */
1193         if (saa7134_boards[dev->board].video_out)
1194                 saa7134_videoport_init(dev);
1195         if (card_has_mpeg(dev))
1196                 saa7134_ts_init_hw(dev);
1197         if (dev->remote)
1198                 saa7134_ir_start(dev, dev->remote);
1199         saa7134_hw_enable1(dev);
1200
1201         msleep(100);
1202
1203         saa7134_board_init2(dev);
1204
1205         /*saa7134_hwinit2*/
1206         saa7134_set_tvnorm_hw(dev);
1207         saa7134_tvaudio_setmute(dev);
1208         saa7134_tvaudio_setvolume(dev, dev->ctl_volume);
1209         saa7134_tvaudio_init(dev);
1210         saa7134_tvaudio_do_scan(dev);
1211         saa7134_enable_i2s(dev);
1212         saa7134_hw_enable2(dev);
1213
1214         saa7134_irq_video_signalchange(dev);
1215
1216         /*resume unfinished buffer(s)*/
1217         spin_lock_irqsave(&dev->slock, flags);
1218         saa7134_buffer_requeue(dev, &dev->video_q);
1219         saa7134_buffer_requeue(dev, &dev->vbi_q);
1220         saa7134_buffer_requeue(dev, &dev->ts_q);
1221
1222         /* FIXME: Disable DMA audio sound - temporary till proper support
1223                   is implemented*/
1224
1225         dev->dmasound.dma_running = 0;
1226
1227         /* start DMA now*/
1228         dev->insuspend = 0;
1229         smp_wmb();
1230         saa7134_set_dmabits(dev);
1231         spin_unlock_irqrestore(&dev->slock, flags);
1232
1233         return 0;
1234 }
1235 #endif
1236
1237 /* ----------------------------------------------------------- */
1238
1239 int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1240 {
1241         struct saa7134_dev *dev;
1242
1243         mutex_lock(&devlist_lock);
1244         list_for_each_entry(dev, &saa7134_devlist, devlist)
1245                 mpeg_ops_attach(ops, dev);
1246         list_add_tail(&ops->next,&mops_list);
1247         mutex_unlock(&devlist_lock);
1248         return 0;
1249 }
1250
1251 void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1252 {
1253         struct saa7134_dev *dev;
1254
1255         mutex_lock(&devlist_lock);
1256         list_del(&ops->next);
1257         list_for_each_entry(dev, &saa7134_devlist, devlist)
1258                 mpeg_ops_detach(ops, dev);
1259         mutex_unlock(&devlist_lock);
1260 }
1261
1262 EXPORT_SYMBOL(saa7134_ts_register);
1263 EXPORT_SYMBOL(saa7134_ts_unregister);
1264
1265 /* ----------------------------------------------------------- */
1266
1267 static struct pci_driver saa7134_pci_driver = {
1268         .name     = "saa7134",
1269         .id_table = saa7134_pci_tbl,
1270         .probe    = saa7134_initdev,
1271         .remove   = __devexit_p(saa7134_finidev),
1272 #ifdef CONFIG_PM
1273         .suspend  = saa7134_suspend,
1274         .resume   = saa7134_resume
1275 #endif
1276 };
1277
1278 static int saa7134_init(void)
1279 {
1280         INIT_LIST_HEAD(&saa7134_devlist);
1281         printk(KERN_INFO "saa7130/34: v4l2 driver version %d.%d.%d loaded\n",
1282                (SAA7134_VERSION_CODE >> 16) & 0xff,
1283                (SAA7134_VERSION_CODE >>  8) & 0xff,
1284                SAA7134_VERSION_CODE & 0xff);
1285 #ifdef SNAPSHOT
1286         printk(KERN_INFO "saa7130/34: snapshot date %04d-%02d-%02d\n",
1287                SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1288 #endif
1289         return pci_register_driver(&saa7134_pci_driver);
1290 }
1291
1292 static void saa7134_fini(void)
1293 {
1294         pci_unregister_driver(&saa7134_pci_driver);
1295 }
1296
1297 module_init(saa7134_init);
1298 module_exit(saa7134_fini);
1299
1300 /* ----------------------------------------------------------- */
1301
1302 EXPORT_SYMBOL(saa7134_set_gpio);
1303 EXPORT_SYMBOL(saa7134_i2c_call_clients);
1304 EXPORT_SYMBOL(saa7134_devlist);
1305 EXPORT_SYMBOL(saa7134_boards);
1306
1307 /* ----------------- for the DMA sound modules --------------- */
1308
1309 EXPORT_SYMBOL(saa7134_dmasound_init);
1310 EXPORT_SYMBOL(saa7134_dmasound_exit);
1311 EXPORT_SYMBOL(saa7134_pgtable_free);
1312 EXPORT_SYMBOL(saa7134_pgtable_build);
1313 EXPORT_SYMBOL(saa7134_pgtable_alloc);
1314 EXPORT_SYMBOL(saa7134_set_dmabits);
1315
1316 /* ----------------------------------------------------------- */
1317 /*
1318  * Local variables:
1319  * c-basic-offset: 8
1320  * End:
1321  */