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

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *
   4  * device driver for philips saa7134 based TV cards
   5  * driver core
   6  *
   7  * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
   8  */
   9
  10 #include "saa7134.h"
  11 #include "saa7134-reg.h"
  12
  13 #include <linux/init.h>
  14 #include <linux/list.h>
  15 #include <linux/module.h>
  16 #include <linux/kernel.h>
  17 #include <linux/slab.h>
  18 #include <linux/kmod.h>
  19 #include <linux/sound.h>
  20 #include <linux/interrupt.h>
  21 #include <linux/delay.h>
  22 #include <linux/mutex.h>
  23 #include <linux/dma-mapping.h>
  24 #include <linux/pm.h>
  25
  26 MODULE_DESCRIPTION("v4l2 driver module for saa7130/34 based TV cards");
  27 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  28 MODULE_LICENSE("GPL");
  29 MODULE_VERSION(SAA7134_VERSION);
  30
  31
  32 /* ------------------------------------------------------------------ */
  33
  34 static unsigned int irq_debug;
  35 module_param(irq_debug, int, 0644);
  36 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  37
  38 static unsigned int core_debug;
  39 module_param(core_debug, int, 0644);
  40 MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
  41
  42 static unsigned int gpio_tracking;
  43 module_param(gpio_tracking, int, 0644);
  44 MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]");
  45
  46 static unsigned int alsa = 1;
  47 module_param(alsa, int, 0644);
  48 MODULE_PARM_DESC(alsa,"enable/disable ALSA DMA sound [dmasound]");
  49
  50 static unsigned int latency = UNSET;
  51 module_param(latency, int, 0444);
  52 MODULE_PARM_DESC(latency,"pci latency timer");
  53
  54 bool saa7134_userptr;
  55 module_param(saa7134_userptr, bool, 0644);
  56 MODULE_PARM_DESC(saa7134_userptr, "enable page-aligned userptr support");
  57
  58 static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  59 static unsigned int vbi_nr[]   = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  60 static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  61 static unsigned int tuner[]    = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  62 static unsigned int card[]     = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  63
  64
  65 module_param_array(video_nr, int, NULL, 0444);
  66 module_param_array(vbi_nr,   int, NULL, 0444);
  67 module_param_array(radio_nr, int, NULL, 0444);
  68 module_param_array(tuner,    int, NULL, 0444);
  69 module_param_array(card,     int, NULL, 0444);
  70
  71 MODULE_PARM_DESC(video_nr, "video device number");
  72 MODULE_PARM_DESC(vbi_nr,   "vbi device number");
  73 MODULE_PARM_DESC(radio_nr, "radio device number");
  74 MODULE_PARM_DESC(tuner,    "tuner type");
  75 MODULE_PARM_DESC(card,     "card type");
  76
  77 DEFINE_MUTEX(saa7134_devlist_lock);
  78 EXPORT_SYMBOL(saa7134_devlist_lock);
  79 LIST_HEAD(saa7134_devlist);
  80 EXPORT_SYMBOL(saa7134_devlist);
  81 static LIST_HEAD(mops_list);
  82 static unsigned int saa7134_devcount;
  83
  84 int (*saa7134_dmasound_init)(struct saa7134_dev *dev);
  85 int (*saa7134_dmasound_exit)(struct saa7134_dev *dev);
  86
  87 #define core_dbg(fmt, arg...) do { \
  88         if (core_debug) \
  89                 printk(KERN_DEBUG pr_fmt("core: " fmt), ## arg); \
  90         } while (0)
  91
  92 #define irq_dbg(level, fmt, arg...)  do {\
  93         if (irq_debug > level) \
  94                 printk(KERN_DEBUG pr_fmt("irq: " fmt), ## arg); \
  95         } while (0)
  96
  97 void saa7134_track_gpio(struct saa7134_dev *dev, const char *msg)
  98 {
  99         unsigned long mode,status;
 100
 101         if (!gpio_tracking)
 102                 return;
 103         /* rising SAA7134_GPIO_GPRESCAN reads the status */
 104         saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0);
 105         saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN);
 106         mode   = saa_readl(SAA7134_GPIO_GPMODE0   >> 2) & 0xfffffff;
 107         status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff;
 108         core_dbg("%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n",
 109                dev->name, mode, (~mode) & status, mode & status, msg);
 110 }
 111
 112 void saa7134_set_gpio(struct saa7134_dev *dev, int bit_no, int value)
 113 {
 114         u32 index, bitval;
 115
 116         index = 1 << bit_no;
 117         switch (value) {
 118         case 0: /* static value */
 119         case 1:
 120                 core_dbg("setting GPIO%d to static %d\n", bit_no, value);
 121                 /* turn sync mode off if necessary */
 122                 if (index & 0x00c00000)
 123                         saa_andorb(SAA7134_VIDEO_PORT_CTRL6, 0x0f, 0x00);
 124                 if (value)
 125                         bitval = index;
 126                 else
 127                         bitval = 0;
 128                 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, index);
 129                 saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, index, bitval);
 130                 break;
 131         case 3: /* tristate */
 132                 core_dbg("setting GPIO%d to tristate\n", bit_no);
 133                 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, 0);
 134                 break;
 135         }
 136 }
 137
 138 /* ------------------------------------------------------------------ */
 139
 140
 141 /* ----------------------------------------------------------- */
 142 /* delayed request_module                                      */
 143
 144 #if defined(CONFIG_MODULES) && defined(MODULE)
 145
 146 static void request_module_async(struct work_struct *work){
 147         struct saa7134_dev* dev = container_of(work, struct saa7134_dev, request_module_wk);
 148         if (card_is_empress(dev))
 149                 request_module("saa7134-empress");
 150         if (card_is_dvb(dev))
 151                 request_module("saa7134-dvb");
 152         if (card_is_go7007(dev))
 153                 request_module("saa7134-go7007");
 154         if (alsa) {
 155                 if (dev->pci->device != PCI_DEVICE_ID_PHILIPS_SAA7130)
 156                         request_module("saa7134-alsa");
 157         }
 158 }
 159
 160 static void request_submodules(struct saa7134_dev *dev)
 161 {
 162         INIT_WORK(&dev->request_module_wk, request_module_async);
 163         schedule_work(&dev->request_module_wk);
 164 }
 165
 166 static void flush_request_submodules(struct saa7134_dev *dev)
 167 {
 168         flush_work(&dev->request_module_wk);
 169 }
 170
 171 #else
 172 #define request_submodules(dev)
 173 #define flush_request_submodules(dev)
 174 #endif /* CONFIG_MODULES */
 175
 176 /* ------------------------------------------------------------------ */
 177
 178 /* nr of (saa7134-)pages for the given buffer size */
 179 static int saa7134_buffer_pages(int size)
 180 {
 181         size  = PAGE_ALIGN(size);
 182         size += PAGE_SIZE; /* for non-page-aligned buffers */
 183         size /= 4096;
 184         return size;
 185 }
 186
 187 /* calc max # of buffers from size (must not exceed the 4MB virtual
 188  * address space per DMA channel) */
 189 int saa7134_buffer_count(unsigned int size, unsigned int count)
 190 {
 191         unsigned int maxcount;
 192
 193         maxcount = 1024 / saa7134_buffer_pages(size);
 194         if (count > maxcount)
 195                 count = maxcount;
 196         return count;
 197 }
 198
 199 int saa7134_buffer_startpage(struct saa7134_buf *buf)
 200 {
 201         return saa7134_buffer_pages(vb2_plane_size(&buf->vb2.vb2_buf, 0))
 202                         * buf->vb2.vb2_buf.index;
 203 }
 204
 205 unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
 206 {
 207         unsigned long base;
 208         struct sg_table *dma = vb2_dma_sg_plane_desc(&buf->vb2.vb2_buf, 0);
 209
 210         base  = saa7134_buffer_startpage(buf) * 4096;
 211         base += dma->sgl[0].offset;
 212         return base;
 213 }
 214
 215 /* ------------------------------------------------------------------ */
 216
 217 int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt)
 218 {
 219         __le32       *cpu;
 220         dma_addr_t   dma_addr = 0;
 221
 222         cpu = dma_alloc_coherent(&pci->dev, SAA7134_PGTABLE_SIZE, &dma_addr,
 223                                  GFP_KERNEL);
 224         if (NULL == cpu)
 225                 return -ENOMEM;
 226         pt->size = SAA7134_PGTABLE_SIZE;
 227         pt->cpu  = cpu;
 228         pt->dma  = dma_addr;
 229         return 0;
 230 }
 231
 232 int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
 233                           struct scatterlist *list, unsigned int length,
 234                           unsigned int startpage)
 235 {
 236         __le32        *ptr;
 237         unsigned int  i, p;
 238
 239         BUG_ON(NULL == pt || NULL == pt->cpu);
 240
 241         ptr = pt->cpu + startpage;
 242         for (i = 0; i < length; i++, list = sg_next(list)) {
 243                 for (p = 0; p * 4096 < sg_dma_len(list); p++, ptr++)
 244                         *ptr = cpu_to_le32(sg_dma_address(list) +
 245                                                 list->offset + p * 4096);
 246         }
 247         return 0;
 248 }
 249
 250 void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt)
 251 {
 252         if (NULL == pt->cpu)
 253                 return;
 254         dma_free_coherent(&pci->dev, pt->size, pt->cpu, pt->dma);
 255         pt->cpu = NULL;
 256 }
 257
 258 /* ------------------------------------------------------------------ */
 259
 260 int saa7134_buffer_queue(struct saa7134_dev *dev,
 261                          struct saa7134_dmaqueue *q,
 262                          struct saa7134_buf *buf)
 263 {
 264         struct saa7134_buf *next = NULL;
 265         unsigned long flags;
 266
 267         spin_lock_irqsave(&dev->slock, flags);
 268         core_dbg("buffer_queue %p\n", buf);
 269         if (NULL == q->curr) {
 270                 if (!q->need_two) {
 271                         q->curr = buf;
 272                         buf->activate(dev, buf, NULL);
 273                 } else if (list_empty(&q->queue)) {
 274                         list_add_tail(&buf->entry, &q->queue);
 275                 } else {
 276                         next = list_entry(q->queue.next, struct saa7134_buf,
 277                                           entry);
 278                         q->curr = buf;
 279                         buf->activate(dev, buf, next);
 280                 }
 281         } else {
 282                 list_add_tail(&buf->entry, &q->queue);
 283         }
 284         spin_unlock_irqrestore(&dev->slock, flags);
 285         return 0;
 286 }
 287
 288 void saa7134_buffer_finish(struct saa7134_dev *dev,
 289                            struct saa7134_dmaqueue *q,
 290                            unsigned int state)
 291 {
 292         core_dbg("buffer_finish %p\n", q->curr);
 293
 294         /* finish current buffer */
 295         q->curr->vb2.vb2_buf.timestamp = ktime_get_ns();
 296         q->curr->vb2.sequence = q->seq_nr++;
 297         vb2_buffer_done(&q->curr->vb2.vb2_buf, state);
 298         q->curr = NULL;
 299 }
 300
 301 void saa7134_buffer_next(struct saa7134_dev *dev,
 302                          struct saa7134_dmaqueue *q)
 303 {
 304         struct saa7134_buf *buf,*next = NULL;
 305
 306         assert_spin_locked(&dev->slock);
 307         BUG_ON(NULL != q->curr);
 308
 309         if (!list_empty(&q->queue)) {
 310                 /* activate next one from queue */
 311                 buf = list_entry(q->queue.next, struct saa7134_buf, entry);
 312                 core_dbg("buffer_next %p [prev=%p/next=%p]\n",
 313                         buf, q->queue.prev, q->queue.next);
 314                 list_del(&buf->entry);
 315                 if (!list_empty(&q->queue))
 316                         next = list_entry(q->queue.next, struct saa7134_buf, entry);
 317                 q->curr = buf;
 318                 buf->activate(dev, buf, next);
 319                 core_dbg("buffer_next #2 prev=%p/next=%p\n",
 320                         q->queue.prev, q->queue.next);
 321         } else {
 322                 /* nothing to do -- just stop DMA */
 323                 core_dbg("buffer_next %p\n", NULL);
 324                 saa7134_set_dmabits(dev);
 325                 del_timer(&q->timeout);
 326         }
 327 }
 328
 329 void saa7134_buffer_timeout(struct timer_list *t)
 330 {
 331         struct saa7134_dmaqueue *q = from_timer(q, t, timeout);
 332         struct saa7134_dev *dev = q->dev;
 333         unsigned long flags;
 334
 335         spin_lock_irqsave(&dev->slock, flags);
 336
 337         /* try to reset the hardware (SWRST) */
 338         saa_writeb(SAA7134_REGION_ENABLE, 0x00);
 339         saa_writeb(SAA7134_REGION_ENABLE, 0x80);
 340         saa_writeb(SAA7134_REGION_ENABLE, 0x00);
 341
 342         /* flag current buffer as failed,
 343            try to start over with the next one. */
 344         if (q->curr) {
 345                 core_dbg("timeout on %p\n", q->curr);
 346                 saa7134_buffer_finish(dev, q, VB2_BUF_STATE_ERROR);
 347         }
 348         saa7134_buffer_next(dev, q);
 349         spin_unlock_irqrestore(&dev->slock, flags);
 350 }
 351
 352 void saa7134_stop_streaming(struct saa7134_dev *dev, struct saa7134_dmaqueue *q)
 353 {
 354         unsigned long flags;
 355         struct list_head *pos, *n;
 356         struct saa7134_buf *tmp;
 357
 358         spin_lock_irqsave(&dev->slock, flags);
 359         list_for_each_safe(pos, n, &q->queue) {
 360                 tmp = list_entry(pos, struct saa7134_buf, entry);
 361                 vb2_buffer_done(&tmp->vb2.vb2_buf,
 362                                 VB2_BUF_STATE_ERROR);
 363                 list_del(pos);
 364                 tmp = NULL;
 365         }
 366         spin_unlock_irqrestore(&dev->slock, flags);
 367         saa7134_buffer_timeout(&q->timeout); /* also calls del_timer(&q->timeout) */
 368 }
 369 EXPORT_SYMBOL_GPL(saa7134_stop_streaming);
 370
 371 /* ------------------------------------------------------------------ */
 372
 373 int saa7134_set_dmabits(struct saa7134_dev *dev)
 374 {
 375         u32 split, task=0, ctrl=0, irq=0;
 376         enum v4l2_field cap = V4L2_FIELD_ANY;
 377         enum v4l2_field ov  = V4L2_FIELD_ANY;
 378
 379         assert_spin_locked(&dev->slock);
 380
 381         if (dev->insuspend)
 382                 return 0;
 383
 384         /* video capture -- dma 0 + video task A */
 385         if (dev->video_q.curr) {
 386                 task |= 0x01;
 387                 ctrl |= SAA7134_MAIN_CTRL_TE0;
 388                 irq  |= SAA7134_IRQ1_INTE_RA0_1 |
 389                         SAA7134_IRQ1_INTE_RA0_0;
 390                 cap = dev->field;
 391         }
 392
 393         /* video capture -- dma 1+2 (planar modes) */
 394         if (dev->video_q.curr && dev->fmt->planar) {
 395                 ctrl |= SAA7134_MAIN_CTRL_TE4 |
 396                         SAA7134_MAIN_CTRL_TE5;
 397         }
 398
 399         /* vbi capture -- dma 0 + vbi task A+B */
 400         if (dev->vbi_q.curr) {
 401                 task |= 0x22;
 402                 ctrl |= SAA7134_MAIN_CTRL_TE2 |
 403                         SAA7134_MAIN_CTRL_TE3;
 404                 irq  |= SAA7134_IRQ1_INTE_RA0_7 |
 405                         SAA7134_IRQ1_INTE_RA0_6 |
 406                         SAA7134_IRQ1_INTE_RA0_5 |
 407                         SAA7134_IRQ1_INTE_RA0_4;
 408         }
 409
 410         /* audio capture -- dma 3 */
 411         if (dev->dmasound.dma_running) {
 412                 ctrl |= SAA7134_MAIN_CTRL_TE6;
 413                 irq  |= SAA7134_IRQ1_INTE_RA3_1 |
 414                         SAA7134_IRQ1_INTE_RA3_0;
 415         }
 416
 417         /* TS capture -- dma 5 */
 418         if (dev->ts_q.curr) {
 419                 ctrl |= SAA7134_MAIN_CTRL_TE5;
 420                 irq  |= SAA7134_IRQ1_INTE_RA2_1 |
 421                         SAA7134_IRQ1_INTE_RA2_0;
 422         }
 423
 424         /* set task conditions + field handling */
 425         if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
 426                 /* default config -- use full frames */
 427                 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
 428                 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
 429                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A),  0x02);
 430                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B),  0x02);
 431                 split = 0;
 432         } else {
 433                 /* split fields between tasks */
 434                 if (V4L2_FIELD_TOP == cap) {
 435                         /* odd A, even B, repeat */
 436                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
 437                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
 438                 } else {
 439                         /* odd B, even A, repeat */
 440                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
 441                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
 442                 }
 443                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A),  0x01);
 444                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B),  0x01);
 445                 split = 1;
 446         }
 447
 448         /* irqs */
 449         saa_writeb(SAA7134_REGION_ENABLE, task);
 450         saa_writel(SAA7134_IRQ1,          irq);
 451         saa_andorl(SAA7134_MAIN_CTRL,
 452                    SAA7134_MAIN_CTRL_TE0 |
 453                    SAA7134_MAIN_CTRL_TE1 |
 454                    SAA7134_MAIN_CTRL_TE2 |
 455                    SAA7134_MAIN_CTRL_TE3 |
 456                    SAA7134_MAIN_CTRL_TE4 |
 457                    SAA7134_MAIN_CTRL_TE5 |
 458                    SAA7134_MAIN_CTRL_TE6,
 459                    ctrl);
 460         core_dbg("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
 461                 task, ctrl, irq, split ? "no" : "yes");
 462
 463         return 0;
 464 }
 465
 466 /* ------------------------------------------------------------------ */
 467 /* IRQ handler + helpers                                              */
 468
 469 static char *irqbits[] = {
 470         "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
 471         "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
 472         "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
 473         "GPIO16", "GPIO18", "GPIO22", "GPIO23"
 474 };
 475 #define IRQBITS ARRAY_SIZE(irqbits)
 476
 477 static void print_irqstatus(struct saa7134_dev *dev, int loop,
 478                             unsigned long report, unsigned long status)
 479 {
 480         unsigned int i;
 481
 482         irq_dbg(1, "[%d,%ld]: r=0x%lx s=0x%02lx",
 483                 loop, jiffies, report, status);
 484         for (i = 0; i < IRQBITS; i++) {
 485                 if (!(report & (1 << i)))
 486                         continue;
 487                 pr_cont(" %s", irqbits[i]);
 488         }
 489         if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
 490                 pr_cont(" | RA0=%s,%s,%s,%ld",
 491                         (status & 0x40) ? "vbi"  : "video",
 492                         (status & 0x20) ? "b"    : "a",
 493                         (status & 0x10) ? "odd"  : "even",
 494                         (status & 0x0f));
 495         }
 496         pr_cont("\n");
 497 }
 498
 499 static irqreturn_t saa7134_irq(int irq, void *dev_id)
 500 {
 501         struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
 502         unsigned long report,status;
 503         int loop, handled = 0;
 504
 505         if (dev->insuspend)
 506                 goto out;
 507
 508         for (loop = 0; loop < 10; loop++) {
 509                 report = saa_readl(SAA7134_IRQ_REPORT);
 510                 status = saa_readl(SAA7134_IRQ_STATUS);
 511
 512                 /* If dmasound support is active and we get a sound report,
 513                  * mask out the report and let the saa7134-alsa module deal
 514                  * with it */
 515                 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) &&
 516                         (dev->dmasound.priv_data != NULL) )
 517                 {
 518                         irq_dbg(2, "preserving DMA sound interrupt\n");
 519                         report &= ~SAA7134_IRQ_REPORT_DONE_RA3;
 520                 }
 521
 522                 if (0 == report) {
 523                         irq_dbg(2, "no (more) work\n");
 524                         goto out;
 525                 }
 526
 527                 handled = 1;
 528                 saa_writel(SAA7134_IRQ_REPORT,report);
 529                 if (irq_debug)
 530                         print_irqstatus(dev,loop,report,status);
 531
 532
 533                 if ((report & SAA7134_IRQ_REPORT_RDCAP) ||
 534                         (report & SAA7134_IRQ_REPORT_INTL))
 535                                 saa7134_irq_video_signalchange(dev);
 536
 537
 538                 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
 539                     (status & 0x60) == 0)
 540                         saa7134_irq_video_done(dev,status);
 541
 542                 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
 543                     (status & 0x40) == 0x40)
 544                         saa7134_irq_vbi_done(dev,status);
 545
 546                 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
 547                     card_has_mpeg(dev)) {
 548                         if (dev->mops->irq_ts_done != NULL)
 549                                 dev->mops->irq_ts_done(dev, status);
 550                         else
 551                                 saa7134_irq_ts_done(dev, status);
 552                 }
 553
 554                 if (report & SAA7134_IRQ_REPORT_GPIO16) {
 555                         switch (dev->has_remote) {
 556                                 case SAA7134_REMOTE_GPIO:
 557                                         if (!dev->remote)
 558                                                 break;
 559                                         if  (dev->remote->mask_keydown & 0x10000) {
 560                                                 saa7134_input_irq(dev);
 561                                         }
 562                                         break;
 563
 564                                 case SAA7134_REMOTE_I2C:
 565                                         break;                  /* FIXME: invoke I2C get_key() */
 566
 567                                 default:                        /* GPIO16 not used by IR remote */
 568                                         break;
 569                         }
 570                 }
 571
 572                 if (report & SAA7134_IRQ_REPORT_GPIO18) {
 573                         switch (dev->has_remote) {
 574                                 case SAA7134_REMOTE_GPIO:
 575                                         if (!dev->remote)
 576                                                 break;
 577                                         if ((dev->remote->mask_keydown & 0x40000) ||
 578                                             (dev->remote->mask_keyup & 0x40000)) {
 579                                                 saa7134_input_irq(dev);
 580                                         }
 581                                         break;
 582
 583                                 case SAA7134_REMOTE_I2C:
 584                                         break;                  /* FIXME: invoke I2C get_key() */
 585
 586                                 default:                        /* GPIO18 not used by IR remote */
 587                                         break;
 588                         }
 589                 }
 590         }
 591
 592         if (10 == loop) {
 593                 print_irqstatus(dev,loop,report,status);
 594                 if (report & SAA7134_IRQ_REPORT_PE) {
 595                         /* disable all parity error */
 596                         pr_warn("%s/irq: looping -- clearing PE (parity error!) enable bit\n",
 597                                 dev->name);
 598                         saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
 599                 } else if (report & SAA7134_IRQ_REPORT_GPIO16) {
 600                         /* disable gpio16 IRQ */
 601                         pr_warn("%s/irq: looping -- clearing GPIO16 enable bit\n",
 602                                 dev->name);
 603                         saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_P);
 604                         saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_N);
 605                 } else if (report & SAA7134_IRQ_REPORT_GPIO18) {
 606                         /* disable gpio18 IRQs */
 607                         pr_warn("%s/irq: looping -- clearing GPIO18 enable bit\n",
 608                                 dev->name);
 609                         saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P);
 610                         saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_N);
 611                 } else {
 612                         /* disable all irqs */
 613                         pr_warn("%s/irq: looping -- clearing all enable bits\n",
 614                                 dev->name);
 615                         saa_writel(SAA7134_IRQ1,0);
 616                         saa_writel(SAA7134_IRQ2,0);
 617                 }
 618         }
 619
 620  out:
 621         return IRQ_RETVAL(handled);
 622 }
 623
 624 /* ------------------------------------------------------------------ */
 625
 626 /* early init (no i2c, no irq) */
 627
 628 static int saa7134_hw_enable1(struct saa7134_dev *dev)
 629 {
 630         /* RAM FIFO config */
 631         saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
 632         saa_writel(SAA7134_THRESHOULD, 0x02020202);
 633
 634         /* enable audio + video processing */
 635         saa_writel(SAA7134_MAIN_CTRL,
 636                         SAA7134_MAIN_CTRL_VPLLE |
 637                         SAA7134_MAIN_CTRL_APLLE |
 638                         SAA7134_MAIN_CTRL_EXOSC |
 639                         SAA7134_MAIN_CTRL_EVFE1 |
 640                         SAA7134_MAIN_CTRL_EVFE2 |
 641                         SAA7134_MAIN_CTRL_ESFE  |
 642                         SAA7134_MAIN_CTRL_EBDAC);
 643
 644         /*
 645         * Initialize OSS _after_ enabling audio clock PLL and audio processing.
 646         * OSS initialization writes to registers via the audio DSP; these
 647         * writes will fail unless the audio clock has been started.  At worst,
 648         * audio will not work.
 649         */
 650
 651         /* enable peripheral devices */
 652         saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
 653
 654         /* set vertical line numbering start (vbi needs this) */
 655         saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
 656
 657         return 0;
 658 }
 659
 660 static int saa7134_hwinit1(struct saa7134_dev *dev)
 661 {
 662         core_dbg("hwinit1\n");
 663
 664         saa_writel(SAA7134_IRQ1, 0);
 665         saa_writel(SAA7134_IRQ2, 0);
 666
 667         /* Clear any stale IRQ reports */
 668         saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
 669
 670         mutex_init(&dev->lock);
 671         spin_lock_init(&dev->slock);
 672
 673         saa7134_track_gpio(dev,"pre-init");
 674         saa7134_video_init1(dev);
 675         saa7134_vbi_init1(dev);
 676         if (card_has_mpeg(dev))
 677                 saa7134_ts_init1(dev);
 678         saa7134_input_init1(dev);
 679
 680         saa7134_hw_enable1(dev);
 681
 682         return 0;
 683 }
 684
 685 /* late init (with i2c + irq) */
 686 static int saa7134_hw_enable2(struct saa7134_dev *dev)
 687 {
 688
 689         unsigned int irq2_mask;
 690
 691         /* enable IRQ's */
 692         irq2_mask =
 693                 SAA7134_IRQ2_INTE_DEC3    |
 694                 SAA7134_IRQ2_INTE_DEC2    |
 695                 SAA7134_IRQ2_INTE_DEC1    |
 696                 SAA7134_IRQ2_INTE_DEC0    |
 697                 SAA7134_IRQ2_INTE_PE      |
 698                 SAA7134_IRQ2_INTE_AR;
 699
 700         if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) {
 701                 if (dev->remote->mask_keydown & 0x10000)
 702                         irq2_mask |= SAA7134_IRQ2_INTE_GPIO16_N;
 703                 else {          /* Allow enabling both IRQ edge triggers */
 704                         if (dev->remote->mask_keydown & 0x40000)
 705                                 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_P;
 706                         if (dev->remote->mask_keyup & 0x40000)
 707                                 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_N;
 708                 }
 709         }
 710
 711         if (dev->has_remote == SAA7134_REMOTE_I2C) {
 712                 request_module("ir-kbd-i2c");
 713         }
 714
 715         saa_writel(SAA7134_IRQ1, 0);
 716         saa_writel(SAA7134_IRQ2, irq2_mask);
 717
 718         return 0;
 719 }
 720
 721 static int saa7134_hwinit2(struct saa7134_dev *dev)
 722 {
 723
 724         core_dbg("hwinit2\n");
 725
 726         saa7134_video_init2(dev);
 727         saa7134_tvaudio_init2(dev);
 728
 729         saa7134_hw_enable2(dev);
 730
 731         return 0;
 732 }
 733
 734
 735 /* shutdown */
 736 static int saa7134_hwfini(struct saa7134_dev *dev)
 737 {
 738         core_dbg("hwfini\n");
 739
 740         if (card_has_mpeg(dev))
 741                 saa7134_ts_fini(dev);
 742         saa7134_input_fini(dev);
 743         saa7134_vbi_fini(dev);
 744         saa7134_tvaudio_fini(dev);
 745         saa7134_video_fini(dev);
 746         return 0;
 747 }
 748
 749 static void must_configure_manually(int has_eeprom)
 750 {
 751         unsigned int i,p;
 752
 753         if (!has_eeprom)
 754                 pr_warn("saa7134: <rant>\n"
 755                         "saa7134:  Congratulations!  Your TV card vendor saved a few\n"
 756                         "saa7134:  cents for a eeprom, thus your pci board has no\n"
 757                         "saa7134:  subsystem ID and I can't identify it automatically\n"
 758                         "saa7134: </rant>\n"
 759                         "saa7134: I feel better now.  Ok, here are the good news:\n"
 760                         "saa7134: You can use the card=<nr> insmod option to specify\n"
 761                         "saa7134: which board do you have.  The list:\n");
 762         else
 763                 pr_warn("saa7134: Board is currently unknown. You might try to use the card=<nr>\n"
 764                         "saa7134: insmod option to specify which board do you have, but this is\n"
 765                         "saa7134: somewhat risky, as might damage your card. It is better to ask\n"
 766                         "saa7134: for support at linux-media@vger.kernel.org.\n"
 767                         "saa7134: The supported cards are:\n");
 768
 769         for (i = 0; i < saa7134_bcount; i++) {
 770                 pr_warn("saa7134:   card=%d -> %-40.40s",
 771                        i,saa7134_boards[i].name);
 772                 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
 773                         if (saa7134_pci_tbl[p].driver_data != i)
 774                                 continue;
 775                         pr_cont(" %04x:%04x",
 776                                saa7134_pci_tbl[p].subvendor,
 777                                saa7134_pci_tbl[p].subdevice);
 778                 }
 779                 pr_cont("\n");
 780         }
 781 }
 782
 783 static void saa7134_unregister_media_device(struct saa7134_dev *dev)
 784 {
 785
 786 #ifdef CONFIG_MEDIA_CONTROLLER
 787         if (!dev->media_dev)
 788                 return;
 789         media_device_unregister(dev->media_dev);
 790         media_device_cleanup(dev->media_dev);
 791         kfree(dev->media_dev);
 792         dev->media_dev = NULL;
 793 #endif
 794 }
 795
 796 static void saa7134_media_release(struct saa7134_dev *dev)
 797 {
 798 #ifdef CONFIG_MEDIA_CONTROLLER
 799         int i;
 800
 801         for (i = 0; i < SAA7134_INPUT_MAX + 1; i++)
 802                 media_device_unregister_entity(&dev->input_ent[i]);
 803 #endif
 804 }
 805
 806 #if defined(CONFIG_MEDIA_CONTROLLER)
 807 static void saa7134_create_entities(struct saa7134_dev *dev)
 808 {
 809         int ret, i;
 810         struct media_entity *entity;
 811         struct media_entity *decoder = NULL;
 812
 813         /* Check if it is using an external analog TV demod */
 814         media_device_for_each_entity(entity, dev->media_dev) {
 815                 if (entity->function == MEDIA_ENT_F_ATV_DECODER) {
 816                         decoder = entity;
 817                         break;
 818                 }
 819         }
 820
 821         /*
 822          * saa713x is not using an external ATV demod.
 823          * Register the internal one
 824          */
 825         if (!decoder) {
 826                 dev->demod.name = "saa713x";
 827                 dev->demod_pad[SAA7134_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK;
 828                 dev->demod_pad[SAA7134_PAD_IF_INPUT].sig_type = PAD_SIGNAL_ANALOG;
 829                 dev->demod_pad[SAA7134_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE;
 830                 dev->demod_pad[SAA7134_PAD_VID_OUT].sig_type = PAD_SIGNAL_DV;
 831                 dev->demod.function = MEDIA_ENT_F_ATV_DECODER;
 832
 833                 ret = media_entity_pads_init(&dev->demod, SAA7134_NUM_PADS,
 834                                              dev->demod_pad);
 835                 if (ret < 0)
 836                         pr_err("failed to initialize demod pad!\n");
 837
 838                 ret = media_device_register_entity(dev->media_dev, &dev->demod);
 839                 if (ret < 0)
 840                         pr_err("failed to register demod entity!\n");
 841
 842                 dev->decoder = &dev->demod;
 843         } else {
 844                 dev->decoder = decoder;
 845         }
 846
 847         /* Initialize Video, VBI and Radio pads */
 848         dev->video_pad.flags = MEDIA_PAD_FL_SINK;
 849         ret = media_entity_pads_init(&dev->video_dev->entity, 1,
 850                                      &dev->video_pad);
 851         if (ret < 0)
 852                 pr_err("failed to initialize video media entity!\n");
 853
 854         dev->vbi_pad.flags = MEDIA_PAD_FL_SINK;
 855         ret = media_entity_pads_init(&dev->vbi_dev->entity, 1,
 856                                         &dev->vbi_pad);
 857         if (ret < 0)
 858                 pr_err("failed to initialize vbi media entity!\n");
 859
 860         /* Create entities for each input connector */
 861         for (i = 0; i < SAA7134_INPUT_MAX; i++) {
 862                 struct media_entity *ent = &dev->input_ent[i];
 863                 struct saa7134_input *in = &card_in(dev, i);
 864
 865                 if (in->type == SAA7134_NO_INPUT)
 866                         break;
 867
 868                 /* This input uses the S-Video connector */
 869                 if (in->type == SAA7134_INPUT_COMPOSITE_OVER_SVIDEO)
 870                         continue;
 871
 872                 ent->name = saa7134_input_name[in->type];
 873                 ent->flags = MEDIA_ENT_FL_CONNECTOR;
 874                 dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE;
 875
 876                 switch (in->type) {
 877                 case SAA7134_INPUT_COMPOSITE:
 878                 case SAA7134_INPUT_COMPOSITE0:
 879                 case SAA7134_INPUT_COMPOSITE1:
 880                 case SAA7134_INPUT_COMPOSITE2:
 881                 case SAA7134_INPUT_COMPOSITE3:
 882                 case SAA7134_INPUT_COMPOSITE4:
 883                         ent->function = MEDIA_ENT_F_CONN_COMPOSITE;
 884                         break;
 885                 case SAA7134_INPUT_SVIDEO:
 886                 case SAA7134_INPUT_SVIDEO0:
 887                 case SAA7134_INPUT_SVIDEO1:
 888                         ent->function = MEDIA_ENT_F_CONN_SVIDEO;
 889                         break;
 890                 default:
 891                         /*
 892                          * SAA7134_INPUT_TV and SAA7134_INPUT_TV_MONO.
 893                          *
 894                          * Please notice that neither SAA7134_INPUT_MUTE or
 895                          * SAA7134_INPUT_RADIO are defined at
 896                          * saa7134_board.input.
 897                          */
 898                         ent->function = MEDIA_ENT_F_CONN_RF;
 899                         break;
 900                 }
 901
 902                 ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]);
 903                 if (ret < 0)
 904                         pr_err("failed to initialize input pad[%d]!\n", i);
 905
 906                 ret = media_device_register_entity(dev->media_dev, ent);
 907                 if (ret < 0)
 908                         pr_err("failed to register input entity %d!\n", i);
 909         }
 910
 911         /* Create input for Radio RF connector */
 912         if (card_has_radio(dev)) {
 913                 struct saa7134_input *in = &saa7134_boards[dev->board].radio;
 914                 struct media_entity *ent = &dev->input_ent[i];
 915
 916                 ent->name = saa7134_input_name[in->type];
 917                 ent->flags = MEDIA_ENT_FL_CONNECTOR;
 918                 dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE;
 919                 ent->function = MEDIA_ENT_F_CONN_RF;
 920
 921                 ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]);
 922                 if (ret < 0)
 923                         pr_err("failed to initialize input pad[%d]!\n", i);
 924
 925                 ret = media_device_register_entity(dev->media_dev, ent);
 926                 if (ret < 0)
 927                         pr_err("failed to register input entity %d!\n", i);
 928         }
 929 }
 930 #endif
 931
 932 static struct video_device *vdev_init(struct saa7134_dev *dev,
 933                                       struct video_device *template,
 934                                       char *type)
 935 {
 936         struct video_device *vfd;
 937
 938         vfd = video_device_alloc();
 939         if (NULL == vfd)
 940                 return NULL;
 941         *vfd = *template;
 942         vfd->v4l2_dev  = &dev->v4l2_dev;
 943         vfd->release = video_device_release;
 944         snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
 945                  dev->name, type, saa7134_boards[dev->board].name);
 946         video_set_drvdata(vfd, dev);
 947         return vfd;
 948 }
 949
 950 static void saa7134_unregister_video(struct saa7134_dev *dev)
 951 {
 952         saa7134_media_release(dev);
 953
 954         if (dev->video_dev) {
 955                 if (video_is_registered(dev->video_dev))
 956                         vb2_video_unregister_device(dev->video_dev);
 957                 else
 958                         video_device_release(dev->video_dev);
 959                 dev->video_dev = NULL;
 960         }
 961         if (dev->vbi_dev) {
 962                 if (video_is_registered(dev->vbi_dev))
 963                         vb2_video_unregister_device(dev->vbi_dev);
 964                 else
 965                         video_device_release(dev->vbi_dev);
 966                 dev->vbi_dev = NULL;
 967         }
 968         if (dev->radio_dev) {
 969                 if (video_is_registered(dev->radio_dev))
 970                         video_unregister_device(dev->radio_dev);
 971                 else
 972                         video_device_release(dev->radio_dev);
 973                 dev->radio_dev = NULL;
 974         }
 975 }
 976
 977 static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
 978                             struct saa7134_dev *dev)
 979 {
 980         int err;
 981
 982         if (NULL != dev->mops)
 983                 return;
 984         if (saa7134_boards[dev->board].mpeg != ops->type)
 985                 return;
 986         err = ops->init(dev);
 987         if (0 != err)
 988                 return;
 989         dev->mops = ops;
 990 }
 991
 992 static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
 993                             struct saa7134_dev *dev)
 994 {
 995         if (NULL == dev->mops)
 996                 return;
 997         if (dev->mops != ops)
 998                 return;
 999         dev->mops->fini(dev);
1000         dev->mops = NULL;
1001 }
1002
1003 static int saa7134_initdev(struct pci_dev *pci_dev,
1004                            const struct pci_device_id *pci_id)
1005 {
1006         struct saa7134_dev *dev;
1007         struct saa7134_mpeg_ops *mops;
1008         int err;
1009
1010         if (saa7134_devcount == SAA7134_MAXBOARDS)
1011                 return -ENOMEM;
1012
1013         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1014         if (NULL == dev)
1015                 return -ENOMEM;
1016
1017         dev->nr = saa7134_devcount;
1018         sprintf(dev->name, "saa%x[%d]", pci_dev->device, dev->nr);
1019
1020 #ifdef CONFIG_MEDIA_CONTROLLER
1021         dev->media_dev = kzalloc(sizeof(*dev->media_dev), GFP_KERNEL);
1022         if (!dev->media_dev) {
1023                 err = -ENOMEM;
1024                 goto err_free_dev;
1025         }
1026         media_device_pci_init(dev->media_dev, pci_dev, dev->name);
1027         dev->v4l2_dev.mdev = dev->media_dev;
1028 #endif
1029
1030         err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev);
1031         if (err)
1032                 goto err_free_dev;
1033
1034         /* pci init */
1035         dev->pci = pci_dev;
1036         if (pci_enable_device(pci_dev)) {
1037                 err = -EIO;
1038                 goto err_v4l2_unregister;
1039         }
1040
1041         /* pci quirks */
1042         if (pci_pci_problems) {
1043                 if (pci_pci_problems & PCIPCI_TRITON)
1044                         pr_info("%s: quirk: PCIPCI_TRITON\n", dev->name);
1045                 if (pci_pci_problems & PCIPCI_NATOMA)
1046                         pr_info("%s: quirk: PCIPCI_NATOMA\n", dev->name);
1047                 if (pci_pci_problems & PCIPCI_VIAETBF)
1048                         pr_info("%s: quirk: PCIPCI_VIAETBF\n", dev->name);
1049                 if (pci_pci_problems & PCIPCI_VSFX)
1050                         pr_info("%s: quirk: PCIPCI_VSFX\n", dev->name);
1051 #ifdef PCIPCI_ALIMAGIK
1052                 if (pci_pci_problems & PCIPCI_ALIMAGIK) {
1053                         pr_info("%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
1054                                dev->name);
1055                         latency = 0x0A;
1056                 }
1057 #endif
1058         }
1059         if (UNSET != latency) {
1060                 pr_info("%s: setting pci latency timer to %d\n",
1061                        dev->name,latency);
1062                 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
1063         }
1064
1065         /* print pci info */
1066         dev->pci_rev = pci_dev->revision;
1067         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1068         pr_info("%s: found at %s, rev: %d, irq: %d, latency: %d, mmio: 0x%llx\n",
1069                 dev->name, pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1070                 dev->pci_lat,
1071                 (unsigned long long)pci_resource_start(pci_dev, 0));
1072         pci_set_master(pci_dev);
1073         err = dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(32));
1074         if (err) {
1075                 pr_warn("%s: Oops: no 32bit PCI DMA ???\n", dev->name);
1076                 goto err_v4l2_unregister;
1077         }
1078
1079         /* board config */
1080         dev->board = pci_id->driver_data;
1081         if ((unsigned)card[dev->nr] < saa7134_bcount)
1082                 dev->board = card[dev->nr];
1083         if (SAA7134_BOARD_UNKNOWN == dev->board)
1084                 must_configure_manually(0);
1085         else if (SAA7134_BOARD_NOAUTO == dev->board) {
1086                 must_configure_manually(1);
1087                 dev->board = SAA7134_BOARD_UNKNOWN;
1088         }
1089         dev->autodetected = card[dev->nr] != dev->board;
1090         dev->tuner_type = saa7134_boards[dev->board].tuner_type;
1091         dev->tuner_addr = saa7134_boards[dev->board].tuner_addr;
1092         dev->radio_type = saa7134_boards[dev->board].radio_type;
1093         dev->radio_addr = saa7134_boards[dev->board].radio_addr;
1094         dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
1095         if (UNSET != tuner[dev->nr])
1096                 dev->tuner_type = tuner[dev->nr];
1097         pr_info("%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
1098                 dev->name,pci_dev->subsystem_vendor,
1099                 pci_dev->subsystem_device,saa7134_boards[dev->board].name,
1100                 dev->board, dev->autodetected ?
1101                 "autodetected" : "insmod option");
1102
1103         /* get mmio */
1104         if (!request_mem_region(pci_resource_start(pci_dev,0),
1105                                 pci_resource_len(pci_dev,0),
1106                                 dev->name)) {
1107                 err = -EBUSY;
1108                 pr_err("%s: can't get MMIO memory @ 0x%llx\n",
1109                        dev->name,(unsigned long long)pci_resource_start(pci_dev,0));
1110                 goto err_v4l2_unregister;
1111         }
1112         dev->lmmio = ioremap(pci_resource_start(pci_dev, 0),
1113                              pci_resource_len(pci_dev, 0));
1114         dev->bmmio = (__u8 __iomem *)dev->lmmio;
1115         if (NULL == dev->lmmio) {
1116                 err = -EIO;
1117                 pr_err("%s: can't ioremap() MMIO memory\n",
1118                        dev->name);
1119                 goto err_release_mem_reg;
1120         }
1121
1122         /* initialize hardware #1 */
1123         saa7134_board_init1(dev);
1124         saa7134_hwinit1(dev);
1125
1126         /* get irq */
1127         err = request_irq(pci_dev->irq, saa7134_irq,
1128                           IRQF_SHARED, dev->name, dev);
1129         if (err < 0) {
1130                 pr_err("%s: can't get IRQ %d\n",
1131                        dev->name,pci_dev->irq);
1132                 goto err_iounmap;
1133         }
1134
1135         /* wait a bit, register i2c bus */
1136         msleep(100);
1137         saa7134_i2c_register(dev);
1138         saa7134_board_init2(dev);
1139
1140         saa7134_hwinit2(dev);
1141
1142         /* load i2c helpers */
1143         if (card_is_empress(dev)) {
1144                 dev->empress_sd =
1145                         v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
1146                                 "saa6752hs",
1147                                 saa7134_boards[dev->board].empress_addr, NULL);
1148
1149                 if (dev->empress_sd)
1150                         dev->empress_sd->grp_id = GRP_EMPRESS;
1151         }
1152
1153         if (saa7134_boards[dev->board].rds_addr) {
1154                 struct v4l2_subdev *sd;
1155
1156                 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1157                                 &dev->i2c_adap, "saa6588",
1158                                 0, I2C_ADDRS(saa7134_boards[dev->board].rds_addr));
1159                 if (sd) {
1160                         pr_info("%s: found RDS decoder\n", dev->name);
1161                         dev->has_rds = 1;
1162                 }
1163         }
1164
1165         mutex_lock(&saa7134_devlist_lock);
1166         list_for_each_entry(mops, &mops_list, next)
1167                 mpeg_ops_attach(mops, dev);
1168         list_add_tail(&dev->devlist, &saa7134_devlist);
1169         mutex_unlock(&saa7134_devlist_lock);
1170
1171         /* check for signal */
1172         saa7134_irq_video_signalchange(dev);
1173
1174         if (TUNER_ABSENT != dev->tuner_type)
1175                 saa_call_all(dev, core, s_power, 0);
1176
1177         /* register v4l devices */
1178         dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
1179         dev->video_dev->ctrl_handler = &dev->ctrl_handler;
1180         dev->video_dev->lock = &dev->lock;
1181         dev->video_dev->queue = &dev->video_vbq;
1182         dev->video_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1183                                       V4L2_CAP_VIDEO_CAPTURE;
1184         if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type != UNSET)
1185                 dev->video_dev->device_caps |= V4L2_CAP_TUNER;
1186
1187         err = video_register_device(dev->video_dev,VFL_TYPE_VIDEO,
1188                                     video_nr[dev->nr]);
1189         if (err < 0) {
1190                 pr_info("%s: can't register video device\n",
1191                        dev->name);
1192                 goto err_unregister_video;
1193         }
1194         pr_info("%s: registered device %s [v4l2]\n",
1195                dev->name, video_device_node_name(dev->video_dev));
1196
1197         dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi");
1198         dev->vbi_dev->ctrl_handler = &dev->ctrl_handler;
1199         dev->vbi_dev->lock = &dev->lock;
1200         dev->vbi_dev->queue = &dev->vbi_vbq;
1201         dev->vbi_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1202                                     V4L2_CAP_VBI_CAPTURE;
1203         if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type != UNSET)
1204                 dev->vbi_dev->device_caps |= V4L2_CAP_TUNER;
1205
1206         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1207                                     vbi_nr[dev->nr]);
1208         if (err < 0)
1209                 goto err_unregister_video;
1210         pr_info("%s: registered device %s\n",
1211                dev->name, video_device_node_name(dev->vbi_dev));
1212
1213         if (card_has_radio(dev)) {
1214                 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
1215                 dev->radio_dev->ctrl_handler = &dev->radio_ctrl_handler;
1216                 dev->radio_dev->lock = &dev->lock;
1217                 dev->radio_dev->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
1218                 if (dev->has_rds)
1219                         dev->radio_dev->device_caps |= V4L2_CAP_RDS_CAPTURE;
1220                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1221                                             radio_nr[dev->nr]);
1222                 if (err < 0)
1223                         goto err_unregister_video;
1224                 pr_info("%s: registered device %s\n",
1225                        dev->name, video_device_node_name(dev->radio_dev));
1226         }
1227
1228 #ifdef CONFIG_MEDIA_CONTROLLER
1229         saa7134_create_entities(dev);
1230
1231         err = v4l2_mc_create_media_graph(dev->media_dev);
1232         if (err) {
1233                 pr_err("failed to create media graph\n");
1234                 goto err_unregister_video;
1235         }
1236 #endif
1237         /* everything worked */
1238         saa7134_devcount++;
1239
1240         if (saa7134_dmasound_init && !dev->dmasound.priv_data)
1241                 saa7134_dmasound_init(dev);
1242
1243         request_submodules(dev);
1244
1245         /*
1246          * Do it at the end, to reduce dynamic configuration changes during
1247          * the device init. Yet, as request_modules() can be async, the
1248          * topology will likely change after load the saa7134 subdrivers.
1249          */
1250 #ifdef CONFIG_MEDIA_CONTROLLER
1251         err = media_device_register(dev->media_dev);
1252         if (err) {
1253                 media_device_cleanup(dev->media_dev);
1254                 goto err_unregister_video;
1255         }
1256 #endif
1257
1258         return 0;
1259
1260 err_unregister_video:
1261         saa7134_unregister_video(dev);
1262         list_del(&dev->devlist);
1263         saa7134_i2c_unregister(dev);
1264         free_irq(pci_dev->irq, dev);
1265 err_iounmap:
1266         saa7134_hwfini(dev);
1267         iounmap(dev->lmmio);
1268 err_release_mem_reg:
1269         release_mem_region(pci_resource_start(pci_dev,0),
1270                            pci_resource_len(pci_dev,0));
1271 err_v4l2_unregister:
1272         v4l2_device_unregister(&dev->v4l2_dev);
1273 err_free_dev:
1274 #ifdef CONFIG_MEDIA_CONTROLLER
1275         kfree(dev->media_dev);
1276 #endif
1277         kfree(dev);
1278         return err;
1279 }
1280
1281 static void saa7134_finidev(struct pci_dev *pci_dev)
1282 {
1283         struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1284         struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1285         struct saa7134_mpeg_ops *mops;
1286
1287         flush_request_submodules(dev);
1288
1289         /* Release DMA sound modules if present */
1290         if (saa7134_dmasound_exit && dev->dmasound.priv_data) {
1291                 saa7134_dmasound_exit(dev);
1292         }
1293
1294         /* debugging ... */
1295         if (irq_debug) {
1296                 u32 report = saa_readl(SAA7134_IRQ_REPORT);
1297                 u32 status = saa_readl(SAA7134_IRQ_STATUS);
1298                 print_irqstatus(dev,42,report,status);
1299         }
1300
1301         /* disable peripheral devices */
1302         saa_writeb(SAA7134_SPECIAL_MODE,0);
1303
1304         /* shutdown hardware */
1305         saa_writel(SAA7134_IRQ1,0);
1306         saa_writel(SAA7134_IRQ2,0);
1307         saa_writel(SAA7134_MAIN_CTRL,0);
1308
1309         /* shutdown subsystems */
1310         saa7134_hwfini(dev);
1311
1312         /* unregister */
1313         mutex_lock(&saa7134_devlist_lock);
1314         list_del(&dev->devlist);
1315         list_for_each_entry(mops, &mops_list, next)
1316                 mpeg_ops_detach(mops, dev);
1317         mutex_unlock(&saa7134_devlist_lock);
1318         saa7134_devcount--;
1319
1320         saa7134_i2c_unregister(dev);
1321         saa7134_unregister_video(dev);
1322
1323
1324         /* the DMA sound modules should be unloaded before reaching
1325            this, but just in case they are still present... */
1326         if (dev->dmasound.priv_data != NULL) {
1327                 free_irq(pci_dev->irq, &dev->dmasound);
1328                 dev->dmasound.priv_data = NULL;
1329         }
1330
1331
1332         /* release resources */
1333         free_irq(pci_dev->irq, dev);
1334         iounmap(dev->lmmio);
1335         release_mem_region(pci_resource_start(pci_dev,0),
1336                            pci_resource_len(pci_dev,0));
1337
1338         v4l2_device_unregister(&dev->v4l2_dev);
1339
1340         saa7134_unregister_media_device(dev);
1341
1342         /* free memory */
1343         kfree(dev);
1344 }
1345
1346 /* resends a current buffer in queue after resume */
1347 static int __maybe_unused saa7134_buffer_requeue(struct saa7134_dev *dev,
1348                                                  struct saa7134_dmaqueue *q)
1349 {
1350         struct saa7134_buf *buf, *next;
1351
1352         assert_spin_locked(&dev->slock);
1353
1354         buf  = q->curr;
1355         next = buf;
1356         core_dbg("buffer_requeue\n");
1357
1358         if (!buf)
1359                 return 0;
1360
1361         core_dbg("buffer_requeue : resending active buffer\n");
1362
1363         if (!list_empty(&q->queue))
1364                 next = list_entry(q->queue.next, struct saa7134_buf,
1365                                           entry);
1366         buf->activate(dev, buf, next);
1367
1368         return 0;
1369 }
1370
1371 static int __maybe_unused saa7134_suspend(struct device *dev_d)
1372 {
1373         struct pci_dev *pci_dev = to_pci_dev(dev_d);
1374         struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1375         struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1376
1377         /* Disable interrupts, DMA, and rest of the chip*/
1378         saa_writel(SAA7134_IRQ1, 0);
1379         saa_writel(SAA7134_IRQ2, 0);
1380         saa_writel(SAA7134_MAIN_CTRL, 0);
1381
1382         dev->insuspend = 1;
1383         synchronize_irq(pci_dev->irq);
1384
1385         /* ACK interrupts once more, just in case,
1386                 since the IRQ handler won't ack them anymore*/
1387
1388         saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
1389
1390         /* Disable timeout timers - if we have active buffers, we will
1391            fill them on resume*/
1392
1393         del_timer(&dev->video_q.timeout);
1394         del_timer(&dev->vbi_q.timeout);
1395         del_timer(&dev->ts_q.timeout);
1396
1397         if (dev->remote && dev->remote->dev->users)
1398                 saa7134_ir_close(dev->remote->dev);
1399
1400         return 0;
1401 }
1402
1403 static int __maybe_unused saa7134_resume(struct device *dev_d)
1404 {
1405         struct v4l2_device *v4l2_dev = dev_get_drvdata(dev_d);
1406         struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1407         unsigned long flags;
1408
1409         /* Do things that are done in saa7134_initdev ,
1410                 except of initializing memory structures.*/
1411
1412         saa7134_board_init1(dev);
1413
1414         /* saa7134_hwinit1 */
1415         if (saa7134_boards[dev->board].video_out)
1416                 saa7134_videoport_init(dev);
1417         if (card_has_mpeg(dev))
1418                 saa7134_ts_init_hw(dev);
1419         if (dev->remote && dev->remote->dev->users)
1420                 saa7134_ir_open(dev->remote->dev);
1421         saa7134_hw_enable1(dev);
1422
1423         msleep(100);
1424
1425         saa7134_board_init2(dev);
1426
1427         /*saa7134_hwinit2*/
1428         saa7134_set_tvnorm_hw(dev);
1429         saa7134_tvaudio_setmute(dev);
1430         saa7134_tvaudio_setvolume(dev, dev->ctl_volume);
1431         saa7134_tvaudio_init(dev);
1432         saa7134_enable_i2s(dev);
1433         saa7134_hw_enable2(dev);
1434
1435         saa7134_irq_video_signalchange(dev);
1436
1437         /*resume unfinished buffer(s)*/
1438         spin_lock_irqsave(&dev->slock, flags);
1439         saa7134_buffer_requeue(dev, &dev->video_q);
1440         saa7134_buffer_requeue(dev, &dev->vbi_q);
1441         saa7134_buffer_requeue(dev, &dev->ts_q);
1442
1443         /* FIXME: Disable DMA audio sound - temporary till proper support
1444                   is implemented*/
1445
1446         dev->dmasound.dma_running = 0;
1447
1448         /* start DMA now*/
1449         dev->insuspend = 0;
1450         smp_wmb();
1451         saa7134_set_dmabits(dev);
1452         spin_unlock_irqrestore(&dev->slock, flags);
1453
1454         return 0;
1455 }
1456
1457 /* ----------------------------------------------------------- */
1458
1459 int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1460 {
1461         struct saa7134_dev *dev;
1462
1463         mutex_lock(&saa7134_devlist_lock);
1464         list_for_each_entry(dev, &saa7134_devlist, devlist)
1465                 mpeg_ops_attach(ops, dev);
1466         list_add_tail(&ops->next,&mops_list);
1467         mutex_unlock(&saa7134_devlist_lock);
1468         return 0;
1469 }
1470
1471 void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1472 {
1473         struct saa7134_dev *dev;
1474
1475         mutex_lock(&saa7134_devlist_lock);
1476         list_del(&ops->next);
1477         list_for_each_entry(dev, &saa7134_devlist, devlist)
1478                 mpeg_ops_detach(ops, dev);
1479         mutex_unlock(&saa7134_devlist_lock);
1480 }
1481
1482 EXPORT_SYMBOL(saa7134_ts_register);
1483 EXPORT_SYMBOL(saa7134_ts_unregister);
1484
1485 /* ----------------------------------------------------------- */
1486
1487 static SIMPLE_DEV_PM_OPS(saa7134_pm_ops, saa7134_suspend, saa7134_resume);
1488
1489 static struct pci_driver saa7134_pci_driver = {
1490         .name     = "saa7134",
1491         .id_table = saa7134_pci_tbl,
1492         .probe    = saa7134_initdev,
1493         .remove   = saa7134_finidev,
1494         .driver.pm = &saa7134_pm_ops,
1495 };
1496
1497 static int __init saa7134_init(void)
1498 {
1499         pr_info("saa7130/34: v4l2 driver version %s loaded\n",
1500                SAA7134_VERSION);
1501         return pci_register_driver(&saa7134_pci_driver);
1502 }
1503
1504 static void __exit saa7134_fini(void)
1505 {
1506         pci_unregister_driver(&saa7134_pci_driver);
1507 }
1508
1509 module_init(saa7134_init);
1510 module_exit(saa7134_fini);
1511
1512 /* ----------------------------------------------------------- */
1513
1514 EXPORT_SYMBOL(saa7134_set_gpio);
1515 EXPORT_SYMBOL(saa7134_boards);
1516
1517 /* ----------------- for the DMA sound modules --------------- */
1518
1519 EXPORT_SYMBOL(saa7134_dmasound_init);
1520 EXPORT_SYMBOL(saa7134_dmasound_exit);
1521 EXPORT_SYMBOL(saa7134_pgtable_free);
1522 EXPORT_SYMBOL(saa7134_pgtable_build);
1523 EXPORT_SYMBOL(saa7134_pgtable_alloc);
1524 EXPORT_SYMBOL(saa7134_set_dmabits);