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 int saa7134_no_overlay=-1;
  55 module_param_named(no_overlay, saa7134_no_overlay, int, 0444);
  56 MODULE_PARM_DESC(no_overlay, "allow override overlay default (0 disables, 1 enables) [some VIA/SIS chipsets are known to have problem with overlay]");
  57
  58 bool saa7134_userptr;
  59 module_param(saa7134_userptr, bool, 0644);
  60 MODULE_PARM_DESC(saa7134_userptr, "enable page-aligned userptr support");
  61
  62 static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  63 static unsigned int vbi_nr[]   = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  64 static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  65 static unsigned int tuner[]    = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  66 static unsigned int card[]     = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  67
  68
  69 module_param_array(video_nr, int, NULL, 0444);
  70 module_param_array(vbi_nr,   int, NULL, 0444);
  71 module_param_array(radio_nr, int, NULL, 0444);
  72 module_param_array(tuner,    int, NULL, 0444);
  73 module_param_array(card,     int, NULL, 0444);
  74
  75 MODULE_PARM_DESC(video_nr, "video device number");
  76 MODULE_PARM_DESC(vbi_nr,   "vbi device number");
  77 MODULE_PARM_DESC(radio_nr, "radio device number");
  78 MODULE_PARM_DESC(tuner,    "tuner type");
  79 MODULE_PARM_DESC(card,     "card type");
  80
  81 DEFINE_MUTEX(saa7134_devlist_lock);
  82 EXPORT_SYMBOL(saa7134_devlist_lock);
  83 LIST_HEAD(saa7134_devlist);
  84 EXPORT_SYMBOL(saa7134_devlist);
  85 static LIST_HEAD(mops_list);
  86 static unsigned int saa7134_devcount;
  87
  88 int (*saa7134_dmasound_init)(struct saa7134_dev *dev);
  89 int (*saa7134_dmasound_exit)(struct saa7134_dev *dev);
  90
  91 #define core_dbg(fmt, arg...) do { \
  92         if (core_debug) \
  93                 printk(KERN_DEBUG pr_fmt("core: " fmt), ## arg); \
  94         } while (0)
  95
  96 #define irq_dbg(level, fmt, arg...)  do {\
  97         if (irq_debug > level) \
  98                 printk(KERN_DEBUG pr_fmt("irq: " fmt), ## arg); \
  99         } while (0)
 100
 101 void saa7134_track_gpio(struct saa7134_dev *dev, const char *msg)
 102 {
 103         unsigned long mode,status;
 104
 105         if (!gpio_tracking)
 106                 return;
 107         /* rising SAA7134_GPIO_GPRESCAN reads the status */
 108         saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0);
 109         saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN);
 110         mode   = saa_readl(SAA7134_GPIO_GPMODE0   >> 2) & 0xfffffff;
 111         status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff;
 112         core_dbg("%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n",
 113                dev->name, mode, (~mode) & status, mode & status, msg);
 114 }
 115
 116 void saa7134_set_gpio(struct saa7134_dev *dev, int bit_no, int value)
 117 {
 118         u32 index, bitval;
 119
 120         index = 1 << bit_no;
 121         switch (value) {
 122         case 0: /* static value */
 123         case 1:
 124                 core_dbg("setting GPIO%d to static %d\n", bit_no, value);
 125                 /* turn sync mode off if necessary */
 126                 if (index & 0x00c00000)
 127                         saa_andorb(SAA7134_VIDEO_PORT_CTRL6, 0x0f, 0x00);
 128                 if (value)
 129                         bitval = index;
 130                 else
 131                         bitval = 0;
 132                 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, index);
 133                 saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, index, bitval);
 134                 break;
 135         case 3: /* tristate */
 136                 core_dbg("setting GPIO%d to tristate\n", bit_no);
 137                 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, 0);
 138                 break;
 139         }
 140 }
 141
 142 /* ------------------------------------------------------------------ */
 143
 144
 145 /* ----------------------------------------------------------- */
 146 /* delayed request_module                                      */
 147
 148 #if defined(CONFIG_MODULES) && defined(MODULE)
 149
 150 static void request_module_async(struct work_struct *work){
 151         struct saa7134_dev* dev = container_of(work, struct saa7134_dev, request_module_wk);
 152         if (card_is_empress(dev))
 153                 request_module("saa7134-empress");
 154         if (card_is_dvb(dev))
 155                 request_module("saa7134-dvb");
 156         if (card_is_go7007(dev))
 157                 request_module("saa7134-go7007");
 158         if (alsa) {
 159                 if (dev->pci->device != PCI_DEVICE_ID_PHILIPS_SAA7130)
 160                         request_module("saa7134-alsa");
 161         }
 162 }
 163
 164 static void request_submodules(struct saa7134_dev *dev)
 165 {
 166         INIT_WORK(&dev->request_module_wk, request_module_async);
 167         schedule_work(&dev->request_module_wk);
 168 }
 169
 170 static void flush_request_submodules(struct saa7134_dev *dev)
 171 {
 172         flush_work(&dev->request_module_wk);
 173 }
 174
 175 #else
 176 #define request_submodules(dev)
 177 #define flush_request_submodules(dev)
 178 #endif /* CONFIG_MODULES */
 179
 180 /* ------------------------------------------------------------------ */
 181
 182 /* nr of (saa7134-)pages for the given buffer size */
 183 static int saa7134_buffer_pages(int size)
 184 {
 185         size  = PAGE_ALIGN(size);
 186         size += PAGE_SIZE; /* for non-page-aligned buffers */
 187         size /= 4096;
 188         return size;
 189 }
 190
 191 /* calc max # of buffers from size (must not exceed the 4MB virtual
 192  * address space per DMA channel) */
 193 int saa7134_buffer_count(unsigned int size, unsigned int count)
 194 {
 195         unsigned int maxcount;
 196
 197         maxcount = 1024 / saa7134_buffer_pages(size);
 198         if (count > maxcount)
 199                 count = maxcount;
 200         return count;
 201 }
 202
 203 int saa7134_buffer_startpage(struct saa7134_buf *buf)
 204 {
 205         return saa7134_buffer_pages(vb2_plane_size(&buf->vb2.vb2_buf, 0))
 206                         * buf->vb2.vb2_buf.index;
 207 }
 208
 209 unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
 210 {
 211         unsigned long base;
 212         struct sg_table *dma = vb2_dma_sg_plane_desc(&buf->vb2.vb2_buf, 0);
 213
 214         base  = saa7134_buffer_startpage(buf) * 4096;
 215         base += dma->sgl[0].offset;
 216         return base;
 217 }
 218
 219 /* ------------------------------------------------------------------ */
 220
 221 int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt)
 222 {
 223         __le32       *cpu;
 224         dma_addr_t   dma_addr = 0;
 225
 226         cpu = dma_alloc_coherent(&pci->dev, SAA7134_PGTABLE_SIZE, &dma_addr,
 227                                  GFP_KERNEL);
 228         if (NULL == cpu)
 229                 return -ENOMEM;
 230         pt->size = SAA7134_PGTABLE_SIZE;
 231         pt->cpu  = cpu;
 232         pt->dma  = dma_addr;
 233         return 0;
 234 }
 235
 236 int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
 237                           struct scatterlist *list, unsigned int length,
 238                           unsigned int startpage)
 239 {
 240         __le32        *ptr;
 241         unsigned int  i, p;
 242
 243         BUG_ON(NULL == pt || NULL == pt->cpu);
 244
 245         ptr = pt->cpu + startpage;
 246         for (i = 0; i < length; i++, list = sg_next(list)) {
 247                 for (p = 0; p * 4096 < sg_dma_len(list); p++, ptr++)
 248                         *ptr = cpu_to_le32(sg_dma_address(list) +
 249                                                 list->offset + p * 4096);
 250         }
 251         return 0;
 252 }
 253
 254 void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt)
 255 {
 256         if (NULL == pt->cpu)
 257                 return;
 258         dma_free_coherent(&pci->dev, pt->size, pt->cpu, pt->dma);
 259         pt->cpu = NULL;
 260 }
 261
 262 /* ------------------------------------------------------------------ */
 263
 264 int saa7134_buffer_queue(struct saa7134_dev *dev,
 265                          struct saa7134_dmaqueue *q,
 266                          struct saa7134_buf *buf)
 267 {
 268         struct saa7134_buf *next = NULL;
 269         unsigned long flags;
 270
 271         spin_lock_irqsave(&dev->slock, flags);
 272         core_dbg("buffer_queue %p\n", buf);
 273         if (NULL == q->curr) {
 274                 if (!q->need_two) {
 275                         q->curr = buf;
 276                         buf->activate(dev, buf, NULL);
 277                 } else if (list_empty(&q->queue)) {
 278                         list_add_tail(&buf->entry, &q->queue);
 279                 } else {
 280                         next = list_entry(q->queue.next, struct saa7134_buf,
 281                                           entry);
 282                         q->curr = buf;
 283                         buf->activate(dev, buf, next);
 284                 }
 285         } else {
 286                 list_add_tail(&buf->entry, &q->queue);
 287         }
 288         spin_unlock_irqrestore(&dev->slock, flags);
 289         return 0;
 290 }
 291
 292 void saa7134_buffer_finish(struct saa7134_dev *dev,
 293                            struct saa7134_dmaqueue *q,
 294                            unsigned int state)
 295 {
 296         core_dbg("buffer_finish %p\n", q->curr);
 297
 298         /* finish current buffer */
 299         q->curr->vb2.vb2_buf.timestamp = ktime_get_ns();
 300         q->curr->vb2.sequence = q->seq_nr++;
 301         vb2_buffer_done(&q->curr->vb2.vb2_buf, state);
 302         q->curr = NULL;
 303 }
 304
 305 void saa7134_buffer_next(struct saa7134_dev *dev,
 306                          struct saa7134_dmaqueue *q)
 307 {
 308         struct saa7134_buf *buf,*next = NULL;
 309
 310         assert_spin_locked(&dev->slock);
 311         BUG_ON(NULL != q->curr);
 312
 313         if (!list_empty(&q->queue)) {
 314                 /* activate next one from queue */
 315                 buf = list_entry(q->queue.next, struct saa7134_buf, entry);
 316                 core_dbg("buffer_next %p [prev=%p/next=%p]\n",
 317                         buf, q->queue.prev, q->queue.next);
 318                 list_del(&buf->entry);
 319                 if (!list_empty(&q->queue))
 320                         next = list_entry(q->queue.next, struct saa7134_buf, entry);
 321                 q->curr = buf;
 322                 buf->activate(dev, buf, next);
 323                 core_dbg("buffer_next #2 prev=%p/next=%p\n",
 324                         q->queue.prev, q->queue.next);
 325         } else {
 326                 /* nothing to do -- just stop DMA */
 327                 core_dbg("buffer_next %p\n", NULL);
 328                 saa7134_set_dmabits(dev);
 329                 del_timer(&q->timeout);
 330         }
 331 }
 332
 333 void saa7134_buffer_timeout(struct timer_list *t)
 334 {
 335         struct saa7134_dmaqueue *q = from_timer(q, t, timeout);
 336         struct saa7134_dev *dev = q->dev;
 337         unsigned long flags;
 338
 339         spin_lock_irqsave(&dev->slock, flags);
 340
 341         /* try to reset the hardware (SWRST) */
 342         saa_writeb(SAA7134_REGION_ENABLE, 0x00);
 343         saa_writeb(SAA7134_REGION_ENABLE, 0x80);
 344         saa_writeb(SAA7134_REGION_ENABLE, 0x00);
 345
 346         /* flag current buffer as failed,
 347            try to start over with the next one. */
 348         if (q->curr) {
 349                 core_dbg("timeout on %p\n", q->curr);
 350                 saa7134_buffer_finish(dev, q, VB2_BUF_STATE_ERROR);
 351         }
 352         saa7134_buffer_next(dev, q);
 353         spin_unlock_irqrestore(&dev->slock, flags);
 354 }
 355
 356 void saa7134_stop_streaming(struct saa7134_dev *dev, struct saa7134_dmaqueue *q)
 357 {
 358         unsigned long flags;
 359         struct list_head *pos, *n;
 360         struct saa7134_buf *tmp;
 361
 362         spin_lock_irqsave(&dev->slock, flags);
 363         list_for_each_safe(pos, n, &q->queue) {
 364                 tmp = list_entry(pos, struct saa7134_buf, entry);
 365                 vb2_buffer_done(&tmp->vb2.vb2_buf,
 366                                 VB2_BUF_STATE_ERROR);
 367                 list_del(pos);
 368                 tmp = NULL;
 369         }
 370         spin_unlock_irqrestore(&dev->slock, flags);
 371         saa7134_buffer_timeout(&q->timeout); /* also calls del_timer(&q->timeout) */
 372 }
 373 EXPORT_SYMBOL_GPL(saa7134_stop_streaming);
 374
 375 /* ------------------------------------------------------------------ */
 376
 377 int saa7134_set_dmabits(struct saa7134_dev *dev)
 378 {
 379         u32 split, task=0, ctrl=0, irq=0;
 380         enum v4l2_field cap = V4L2_FIELD_ANY;
 381         enum v4l2_field ov  = V4L2_FIELD_ANY;
 382
 383         assert_spin_locked(&dev->slock);
 384
 385         if (dev->insuspend)
 386                 return 0;
 387
 388         /* video capture -- dma 0 + video task A */
 389         if (dev->video_q.curr) {
 390                 task |= 0x01;
 391                 ctrl |= SAA7134_MAIN_CTRL_TE0;
 392                 irq  |= SAA7134_IRQ1_INTE_RA0_1 |
 393                         SAA7134_IRQ1_INTE_RA0_0;
 394                 cap = dev->field;
 395         }
 396
 397         /* video capture -- dma 1+2 (planar modes) */
 398         if (dev->video_q.curr && dev->fmt->planar) {
 399                 ctrl |= SAA7134_MAIN_CTRL_TE4 |
 400                         SAA7134_MAIN_CTRL_TE5;
 401         }
 402
 403         /* screen overlay -- dma 0 + video task B */
 404         if (dev->ovenable) {
 405                 task |= 0x10;
 406                 ctrl |= SAA7134_MAIN_CTRL_TE1;
 407                 ov = dev->ovfield;
 408         }
 409
 410         /* vbi capture -- dma 0 + vbi task A+B */
 411         if (dev->vbi_q.curr) {
 412                 task |= 0x22;
 413                 ctrl |= SAA7134_MAIN_CTRL_TE2 |
 414                         SAA7134_MAIN_CTRL_TE3;
 415                 irq  |= SAA7134_IRQ1_INTE_RA0_7 |
 416                         SAA7134_IRQ1_INTE_RA0_6 |
 417                         SAA7134_IRQ1_INTE_RA0_5 |
 418                         SAA7134_IRQ1_INTE_RA0_4;
 419         }
 420
 421         /* audio capture -- dma 3 */
 422         if (dev->dmasound.dma_running) {
 423                 ctrl |= SAA7134_MAIN_CTRL_TE6;
 424                 irq  |= SAA7134_IRQ1_INTE_RA3_1 |
 425                         SAA7134_IRQ1_INTE_RA3_0;
 426         }
 427
 428         /* TS capture -- dma 5 */
 429         if (dev->ts_q.curr) {
 430                 ctrl |= SAA7134_MAIN_CTRL_TE5;
 431                 irq  |= SAA7134_IRQ1_INTE_RA2_1 |
 432                         SAA7134_IRQ1_INTE_RA2_0;
 433         }
 434
 435         /* set task conditions + field handling */
 436         if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
 437                 /* default config -- use full frames */
 438                 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
 439                 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
 440                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A),  0x02);
 441                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B),  0x02);
 442                 split = 0;
 443         } else {
 444                 /* split fields between tasks */
 445                 if (V4L2_FIELD_TOP == cap) {
 446                         /* odd A, even B, repeat */
 447                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
 448                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
 449                 } else {
 450                         /* odd B, even A, repeat */
 451                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
 452                         saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
 453                 }
 454                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A),  0x01);
 455                 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B),  0x01);
 456                 split = 1;
 457         }
 458
 459         /* irqs */
 460         saa_writeb(SAA7134_REGION_ENABLE, task);
 461         saa_writel(SAA7134_IRQ1,          irq);
 462         saa_andorl(SAA7134_MAIN_CTRL,
 463                    SAA7134_MAIN_CTRL_TE0 |
 464                    SAA7134_MAIN_CTRL_TE1 |
 465                    SAA7134_MAIN_CTRL_TE2 |
 466                    SAA7134_MAIN_CTRL_TE3 |
 467                    SAA7134_MAIN_CTRL_TE4 |
 468                    SAA7134_MAIN_CTRL_TE5 |
 469                    SAA7134_MAIN_CTRL_TE6,
 470                    ctrl);
 471         core_dbg("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
 472                 task, ctrl, irq, split ? "no" : "yes");
 473
 474         return 0;
 475 }
 476
 477 /* ------------------------------------------------------------------ */
 478 /* IRQ handler + helpers                                              */
 479
 480 static char *irqbits[] = {
 481         "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
 482         "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
 483         "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
 484         "GPIO16", "GPIO18", "GPIO22", "GPIO23"
 485 };
 486 #define IRQBITS ARRAY_SIZE(irqbits)
 487
 488 static void print_irqstatus(struct saa7134_dev *dev, int loop,
 489                             unsigned long report, unsigned long status)
 490 {
 491         unsigned int i;
 492
 493         irq_dbg(1, "[%d,%ld]: r=0x%lx s=0x%02lx",
 494                 loop, jiffies, report, status);
 495         for (i = 0; i < IRQBITS; i++) {
 496                 if (!(report & (1 << i)))
 497                         continue;
 498                 pr_cont(" %s", irqbits[i]);
 499         }
 500         if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
 501                 pr_cont(" | RA0=%s,%s,%s,%ld",
 502                         (status & 0x40) ? "vbi"  : "video",
 503                         (status & 0x20) ? "b"    : "a",
 504                         (status & 0x10) ? "odd"  : "even",
 505                         (status & 0x0f));
 506         }
 507         pr_cont("\n");
 508 }
 509
 510 static irqreturn_t saa7134_irq(int irq, void *dev_id)
 511 {
 512         struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
 513         unsigned long report,status;
 514         int loop, handled = 0;
 515
 516         if (dev->insuspend)
 517                 goto out;
 518
 519         for (loop = 0; loop < 10; loop++) {
 520                 report = saa_readl(SAA7134_IRQ_REPORT);
 521                 status = saa_readl(SAA7134_IRQ_STATUS);
 522
 523                 /* If dmasound support is active and we get a sound report,
 524                  * mask out the report and let the saa7134-alsa module deal
 525                  * with it */
 526                 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) &&
 527                         (dev->dmasound.priv_data != NULL) )
 528                 {
 529                         irq_dbg(2, "preserving DMA sound interrupt\n");
 530                         report &= ~SAA7134_IRQ_REPORT_DONE_RA3;
 531                 }
 532
 533                 if (0 == report) {
 534                         irq_dbg(2, "no (more) work\n");
 535                         goto out;
 536                 }
 537
 538                 handled = 1;
 539                 saa_writel(SAA7134_IRQ_REPORT,report);
 540                 if (irq_debug)
 541                         print_irqstatus(dev,loop,report,status);
 542
 543
 544                 if ((report & SAA7134_IRQ_REPORT_RDCAP) ||
 545                         (report & SAA7134_IRQ_REPORT_INTL))
 546                                 saa7134_irq_video_signalchange(dev);
 547
 548
 549                 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
 550                     (status & 0x60) == 0)
 551                         saa7134_irq_video_done(dev,status);
 552
 553                 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
 554                     (status & 0x40) == 0x40)
 555                         saa7134_irq_vbi_done(dev,status);
 556
 557                 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
 558                     card_has_mpeg(dev)) {
 559                         if (dev->mops->irq_ts_done != NULL)
 560                                 dev->mops->irq_ts_done(dev, status);
 561                         else
 562                                 saa7134_irq_ts_done(dev, status);
 563                 }
 564
 565                 if (report & SAA7134_IRQ_REPORT_GPIO16) {
 566                         switch (dev->has_remote) {
 567                                 case SAA7134_REMOTE_GPIO:
 568                                         if (!dev->remote)
 569                                                 break;
 570                                         if  (dev->remote->mask_keydown & 0x10000) {
 571                                                 saa7134_input_irq(dev);
 572                                         }
 573                                         break;
 574
 575                                 case SAA7134_REMOTE_I2C:
 576                                         break;                  /* FIXME: invoke I2C get_key() */
 577
 578                                 default:                        /* GPIO16 not used by IR remote */
 579                                         break;
 580                         }
 581                 }
 582
 583                 if (report & SAA7134_IRQ_REPORT_GPIO18) {
 584                         switch (dev->has_remote) {
 585                                 case SAA7134_REMOTE_GPIO:
 586                                         if (!dev->remote)
 587                                                 break;
 588                                         if ((dev->remote->mask_keydown & 0x40000) ||
 589                                             (dev->remote->mask_keyup & 0x40000)) {
 590                                                 saa7134_input_irq(dev);
 591                                         }
 592                                         break;
 593
 594                                 case SAA7134_REMOTE_I2C:
 595                                         break;                  /* FIXME: invoke I2C get_key() */
 596
 597                                 default:                        /* GPIO18 not used by IR remote */
 598                                         break;
 599                         }
 600                 }
 601         }
 602
 603         if (10 == loop) {
 604                 print_irqstatus(dev,loop,report,status);
 605                 if (report & SAA7134_IRQ_REPORT_PE) {
 606                         /* disable all parity error */
 607                         pr_warn("%s/irq: looping -- clearing PE (parity error!) enable bit\n",
 608                                 dev->name);
 609                         saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
 610                 } else if (report & SAA7134_IRQ_REPORT_GPIO16) {
 611                         /* disable gpio16 IRQ */
 612                         pr_warn("%s/irq: looping -- clearing GPIO16 enable bit\n",
 613                                 dev->name);
 614                         saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_P);
 615                         saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_N);
 616                 } else if (report & SAA7134_IRQ_REPORT_GPIO18) {
 617                         /* disable gpio18 IRQs */
 618                         pr_warn("%s/irq: looping -- clearing GPIO18 enable bit\n",
 619                                 dev->name);
 620                         saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P);
 621                         saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_N);
 622                 } else {
 623                         /* disable all irqs */
 624                         pr_warn("%s/irq: looping -- clearing all enable bits\n",
 625                                 dev->name);
 626                         saa_writel(SAA7134_IRQ1,0);
 627                         saa_writel(SAA7134_IRQ2,0);
 628                 }
 629         }
 630
 631  out:
 632         return IRQ_RETVAL(handled);
 633 }
 634
 635 /* ------------------------------------------------------------------ */
 636
 637 /* early init (no i2c, no irq) */
 638
 639 static int saa7134_hw_enable1(struct saa7134_dev *dev)
 640 {
 641         /* RAM FIFO config */
 642         saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
 643         saa_writel(SAA7134_THRESHOULD, 0x02020202);
 644
 645         /* enable audio + video processing */
 646         saa_writel(SAA7134_MAIN_CTRL,
 647                         SAA7134_MAIN_CTRL_VPLLE |
 648                         SAA7134_MAIN_CTRL_APLLE |
 649                         SAA7134_MAIN_CTRL_EXOSC |
 650                         SAA7134_MAIN_CTRL_EVFE1 |
 651                         SAA7134_MAIN_CTRL_EVFE2 |
 652                         SAA7134_MAIN_CTRL_ESFE  |
 653                         SAA7134_MAIN_CTRL_EBDAC);
 654
 655         /*
 656         * Initialize OSS _after_ enabling audio clock PLL and audio processing.
 657         * OSS initialization writes to registers via the audio DSP; these
 658         * writes will fail unless the audio clock has been started.  At worst,
 659         * audio will not work.
 660         */
 661
 662         /* enable peripheral devices */
 663         saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
 664
 665         /* set vertical line numbering start (vbi needs this) */
 666         saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
 667
 668         return 0;
 669 }
 670
 671 static int saa7134_hwinit1(struct saa7134_dev *dev)
 672 {
 673         core_dbg("hwinit1\n");
 674
 675         saa_writel(SAA7134_IRQ1, 0);
 676         saa_writel(SAA7134_IRQ2, 0);
 677
 678         /* Clear any stale IRQ reports */
 679         saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
 680
 681         mutex_init(&dev->lock);
 682         spin_lock_init(&dev->slock);
 683
 684         saa7134_track_gpio(dev,"pre-init");
 685         saa7134_video_init1(dev);
 686         saa7134_vbi_init1(dev);
 687         if (card_has_mpeg(dev))
 688                 saa7134_ts_init1(dev);
 689         saa7134_input_init1(dev);
 690
 691         saa7134_hw_enable1(dev);
 692
 693         return 0;
 694 }
 695
 696 /* late init (with i2c + irq) */
 697 static int saa7134_hw_enable2(struct saa7134_dev *dev)
 698 {
 699
 700         unsigned int irq2_mask;
 701
 702         /* enable IRQ's */
 703         irq2_mask =
 704                 SAA7134_IRQ2_INTE_DEC3    |
 705                 SAA7134_IRQ2_INTE_DEC2    |
 706                 SAA7134_IRQ2_INTE_DEC1    |
 707                 SAA7134_IRQ2_INTE_DEC0    |
 708                 SAA7134_IRQ2_INTE_PE      |
 709                 SAA7134_IRQ2_INTE_AR;
 710
 711         if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) {
 712                 if (dev->remote->mask_keydown & 0x10000)
 713                         irq2_mask |= SAA7134_IRQ2_INTE_GPIO16_N;
 714                 else {          /* Allow enabling both IRQ edge triggers */
 715                         if (dev->remote->mask_keydown & 0x40000)
 716                                 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_P;
 717                         if (dev->remote->mask_keyup & 0x40000)
 718                                 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_N;
 719                 }
 720         }
 721
 722         if (dev->has_remote == SAA7134_REMOTE_I2C) {
 723                 request_module("ir-kbd-i2c");
 724         }
 725
 726         saa_writel(SAA7134_IRQ1, 0);
 727         saa_writel(SAA7134_IRQ2, irq2_mask);
 728
 729         return 0;
 730 }
 731
 732 static int saa7134_hwinit2(struct saa7134_dev *dev)
 733 {
 734
 735         core_dbg("hwinit2\n");
 736
 737         saa7134_video_init2(dev);
 738         saa7134_tvaudio_init2(dev);
 739
 740         saa7134_hw_enable2(dev);
 741
 742         return 0;
 743 }
 744
 745
 746 /* shutdown */
 747 static int saa7134_hwfini(struct saa7134_dev *dev)
 748 {
 749         core_dbg("hwfini\n");
 750
 751         if (card_has_mpeg(dev))
 752                 saa7134_ts_fini(dev);
 753         saa7134_input_fini(dev);
 754         saa7134_vbi_fini(dev);
 755         saa7134_tvaudio_fini(dev);
 756         saa7134_video_fini(dev);
 757         return 0;
 758 }
 759
 760 static void must_configure_manually(int has_eeprom)
 761 {
 762         unsigned int i,p;
 763
 764         if (!has_eeprom)
 765                 pr_warn("saa7134: <rant>\n"
 766                         "saa7134:  Congratulations!  Your TV card vendor saved a few\n"
 767                         "saa7134:  cents for a eeprom, thus your pci board has no\n"
 768                         "saa7134:  subsystem ID and I can't identify it automatically\n"
 769                         "saa7134: </rant>\n"
 770                         "saa7134: I feel better now.  Ok, here are the good news:\n"
 771                         "saa7134: You can use the card=<nr> insmod option to specify\n"
 772                         "saa7134: which board do you have.  The list:\n");
 773         else
 774                 pr_warn("saa7134: Board is currently unknown. You might try to use the card=<nr>\n"
 775                         "saa7134: insmod option to specify which board do you have, but this is\n"
 776                         "saa7134: somewhat risky, as might damage your card. It is better to ask\n"
 777                         "saa7134: for support at linux-media@vger.kernel.org.\n"
 778                         "saa7134: The supported cards are:\n");
 779
 780         for (i = 0; i < saa7134_bcount; i++) {
 781                 pr_warn("saa7134:   card=%d -> %-40.40s",
 782                        i,saa7134_boards[i].name);
 783                 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
 784                         if (saa7134_pci_tbl[p].driver_data != i)
 785                                 continue;
 786                         pr_cont(" %04x:%04x",
 787                                saa7134_pci_tbl[p].subvendor,
 788                                saa7134_pci_tbl[p].subdevice);
 789                 }
 790                 pr_cont("\n");
 791         }
 792 }
 793
 794 static void saa7134_unregister_media_device(struct saa7134_dev *dev)
 795 {
 796
 797 #ifdef CONFIG_MEDIA_CONTROLLER
 798         if (!dev->media_dev)
 799                 return;
 800         media_device_unregister(dev->media_dev);
 801         media_device_cleanup(dev->media_dev);
 802         kfree(dev->media_dev);
 803         dev->media_dev = NULL;
 804 #endif
 805 }
 806
 807 static void saa7134_media_release(struct saa7134_dev *dev)
 808 {
 809 #ifdef CONFIG_MEDIA_CONTROLLER
 810         int i;
 811
 812         for (i = 0; i < SAA7134_INPUT_MAX + 1; i++)
 813                 media_device_unregister_entity(&dev->input_ent[i]);
 814 #endif
 815 }
 816
 817 #if defined(CONFIG_MEDIA_CONTROLLER)
 818 static void saa7134_create_entities(struct saa7134_dev *dev)
 819 {
 820         int ret, i;
 821         struct media_entity *entity;
 822         struct media_entity *decoder = NULL;
 823
 824         /* Check if it is using an external analog TV demod */
 825         media_device_for_each_entity(entity, dev->media_dev) {
 826                 if (entity->function == MEDIA_ENT_F_ATV_DECODER) {
 827                         decoder = entity;
 828                         break;
 829                 }
 830         }
 831
 832         /*
 833          * saa713x is not using an external ATV demod.
 834          * Register the internal one
 835          */
 836         if (!decoder) {
 837                 dev->demod.name = "saa713x";
 838                 dev->demod_pad[SAA7134_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK;
 839                 dev->demod_pad[SAA7134_PAD_IF_INPUT].sig_type = PAD_SIGNAL_ANALOG;
 840                 dev->demod_pad[SAA7134_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE;
 841                 dev->demod_pad[SAA7134_PAD_VID_OUT].sig_type = PAD_SIGNAL_DV;
 842                 dev->demod.function = MEDIA_ENT_F_ATV_DECODER;
 843
 844                 ret = media_entity_pads_init(&dev->demod, SAA7134_NUM_PADS,
 845                                              dev->demod_pad);
 846                 if (ret < 0)
 847                         pr_err("failed to initialize demod pad!\n");
 848
 849                 ret = media_device_register_entity(dev->media_dev, &dev->demod);
 850                 if (ret < 0)
 851                         pr_err("failed to register demod entity!\n");
 852
 853                 dev->decoder = &dev->demod;
 854         } else {
 855                 dev->decoder = decoder;
 856         }
 857
 858         /* Initialize Video, VBI and Radio pads */
 859         dev->video_pad.flags = MEDIA_PAD_FL_SINK;
 860         ret = media_entity_pads_init(&dev->video_dev->entity, 1,
 861                                      &dev->video_pad);
 862         if (ret < 0)
 863                 pr_err("failed to initialize video media entity!\n");
 864
 865         dev->vbi_pad.flags = MEDIA_PAD_FL_SINK;
 866         ret = media_entity_pads_init(&dev->vbi_dev->entity, 1,
 867                                         &dev->vbi_pad);
 868         if (ret < 0)
 869                 pr_err("failed to initialize vbi media entity!\n");
 870
 871         /* Create entities for each input connector */
 872         for (i = 0; i < SAA7134_INPUT_MAX; i++) {
 873                 struct media_entity *ent = &dev->input_ent[i];
 874                 struct saa7134_input *in = &card_in(dev, i);
 875
 876                 if (in->type == SAA7134_NO_INPUT)
 877                         break;
 878
 879                 /* This input uses the S-Video connector */
 880                 if (in->type == SAA7134_INPUT_COMPOSITE_OVER_SVIDEO)
 881                         continue;
 882
 883                 ent->name = saa7134_input_name[in->type];
 884                 ent->flags = MEDIA_ENT_FL_CONNECTOR;
 885                 dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE;
 886
 887                 switch (in->type) {
 888                 case SAA7134_INPUT_COMPOSITE:
 889                 case SAA7134_INPUT_COMPOSITE0:
 890                 case SAA7134_INPUT_COMPOSITE1:
 891                 case SAA7134_INPUT_COMPOSITE2:
 892                 case SAA7134_INPUT_COMPOSITE3:
 893                 case SAA7134_INPUT_COMPOSITE4:
 894                         ent->function = MEDIA_ENT_F_CONN_COMPOSITE;
 895                         break;
 896                 case SAA7134_INPUT_SVIDEO:
 897                 case SAA7134_INPUT_SVIDEO0:
 898                 case SAA7134_INPUT_SVIDEO1:
 899                         ent->function = MEDIA_ENT_F_CONN_SVIDEO;
 900                         break;
 901                 default:
 902                         /*
 903                          * SAA7134_INPUT_TV and SAA7134_INPUT_TV_MONO.
 904                          *
 905                          * Please notice that neither SAA7134_INPUT_MUTE or
 906                          * SAA7134_INPUT_RADIO are defined at
 907                          * saa7134_board.input.
 908                          */
 909                         ent->function = MEDIA_ENT_F_CONN_RF;
 910                         break;
 911                 }
 912
 913                 ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]);
 914                 if (ret < 0)
 915                         pr_err("failed to initialize input pad[%d]!\n", i);
 916
 917                 ret = media_device_register_entity(dev->media_dev, ent);
 918                 if (ret < 0)
 919                         pr_err("failed to register input entity %d!\n", i);
 920         }
 921
 922         /* Create input for Radio RF connector */
 923         if (card_has_radio(dev)) {
 924                 struct saa7134_input *in = &saa7134_boards[dev->board].radio;
 925                 struct media_entity *ent = &dev->input_ent[i];
 926
 927                 ent->name = saa7134_input_name[in->type];
 928                 ent->flags = MEDIA_ENT_FL_CONNECTOR;
 929                 dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE;
 930                 ent->function = MEDIA_ENT_F_CONN_RF;
 931
 932                 ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]);
 933                 if (ret < 0)
 934                         pr_err("failed to initialize input pad[%d]!\n", i);
 935
 936                 ret = media_device_register_entity(dev->media_dev, ent);
 937                 if (ret < 0)
 938                         pr_err("failed to register input entity %d!\n", i);
 939         }
 940 }
 941 #endif
 942
 943 static struct video_device *vdev_init(struct saa7134_dev *dev,
 944                                       struct video_device *template,
 945                                       char *type)
 946 {
 947         struct video_device *vfd;
 948
 949         vfd = video_device_alloc();
 950         if (NULL == vfd)
 951                 return NULL;
 952         *vfd = *template;
 953         vfd->v4l2_dev  = &dev->v4l2_dev;
 954         vfd->release = video_device_release;
 955         snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
 956                  dev->name, type, saa7134_boards[dev->board].name);
 957         video_set_drvdata(vfd, dev);
 958         return vfd;
 959 }
 960
 961 static void saa7134_unregister_video(struct saa7134_dev *dev)
 962 {
 963         saa7134_media_release(dev);
 964
 965         if (dev->video_dev) {
 966                 if (video_is_registered(dev->video_dev))
 967                         vb2_video_unregister_device(dev->video_dev);
 968                 else
 969                         video_device_release(dev->video_dev);
 970                 dev->video_dev = NULL;
 971         }
 972         if (dev->vbi_dev) {
 973                 if (video_is_registered(dev->vbi_dev))
 974                         vb2_video_unregister_device(dev->vbi_dev);
 975                 else
 976                         video_device_release(dev->vbi_dev);
 977                 dev->vbi_dev = NULL;
 978         }
 979         if (dev->radio_dev) {
 980                 if (video_is_registered(dev->radio_dev))
 981                         vb2_video_unregister_device(dev->radio_dev);
 982                 else
 983                         video_device_release(dev->radio_dev);
 984                 dev->radio_dev = NULL;
 985         }
 986 }
 987
 988 static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
 989                             struct saa7134_dev *dev)
 990 {
 991         int err;
 992
 993         if (NULL != dev->mops)
 994                 return;
 995         if (saa7134_boards[dev->board].mpeg != ops->type)
 996                 return;
 997         err = ops->init(dev);
 998         if (0 != err)
 999                 return;
1000         dev->mops = ops;
1001 }
1002
1003 static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
1004                             struct saa7134_dev *dev)
1005 {
1006         if (NULL == dev->mops)
1007                 return;
1008         if (dev->mops != ops)
1009                 return;
1010         dev->mops->fini(dev);
1011         dev->mops = NULL;
1012 }
1013
1014 static int saa7134_initdev(struct pci_dev *pci_dev,
1015                            const struct pci_device_id *pci_id)
1016 {
1017         struct saa7134_dev *dev;
1018         struct saa7134_mpeg_ops *mops;
1019         int err;
1020
1021         if (saa7134_devcount == SAA7134_MAXBOARDS)
1022                 return -ENOMEM;
1023
1024         dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1025         if (NULL == dev)
1026                 return -ENOMEM;
1027
1028         dev->nr = saa7134_devcount;
1029         sprintf(dev->name, "saa%x[%d]", pci_dev->device, dev->nr);
1030
1031 #ifdef CONFIG_MEDIA_CONTROLLER
1032         dev->media_dev = kzalloc(sizeof(*dev->media_dev), GFP_KERNEL);
1033         if (!dev->media_dev) {
1034                 err = -ENOMEM;
1035                 goto err_free_dev;
1036         }
1037         media_device_pci_init(dev->media_dev, pci_dev, dev->name);
1038         dev->v4l2_dev.mdev = dev->media_dev;
1039 #endif
1040
1041         err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev);
1042         if (err)
1043                 goto err_free_dev;
1044
1045         /* pci init */
1046         dev->pci = pci_dev;
1047         if (pci_enable_device(pci_dev)) {
1048                 err = -EIO;
1049                 goto err_v4l2_unregister;
1050         }
1051
1052         /* pci quirks */
1053         if (pci_pci_problems) {
1054                 if (pci_pci_problems & PCIPCI_TRITON)
1055                         pr_info("%s: quirk: PCIPCI_TRITON\n", dev->name);
1056                 if (pci_pci_problems & PCIPCI_NATOMA)
1057                         pr_info("%s: quirk: PCIPCI_NATOMA\n", dev->name);
1058                 if (pci_pci_problems & PCIPCI_VIAETBF)
1059                         pr_info("%s: quirk: PCIPCI_VIAETBF\n", dev->name);
1060                 if (pci_pci_problems & PCIPCI_VSFX)
1061                         pr_info("%s: quirk: PCIPCI_VSFX\n", dev->name);
1062 #ifdef PCIPCI_ALIMAGIK
1063                 if (pci_pci_problems & PCIPCI_ALIMAGIK) {
1064                         pr_info("%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
1065                                dev->name);
1066                         latency = 0x0A;
1067                 }
1068 #endif
1069                 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) {
1070                         pr_info("%s: quirk: this driver and your chipset may not work together in overlay mode.\n",
1071                                 dev->name);
1072                         if (!saa7134_no_overlay) {
1073                                 pr_info("%s: quirk: overlay mode will be disabled.\n",
1074                                                 dev->name);
1075                                 saa7134_no_overlay = 1;
1076                         } else {
1077                                 pr_info("%s: quirk: overlay mode will be forced. Use this option at your own risk.\n",
1078                                                 dev->name);
1079                         }
1080                 }
1081         }
1082         if (UNSET != latency) {
1083                 pr_info("%s: setting pci latency timer to %d\n",
1084                        dev->name,latency);
1085                 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
1086         }
1087
1088         /* print pci info */
1089         dev->pci_rev = pci_dev->revision;
1090         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1091         pr_info("%s: found at %s, rev: %d, irq: %d, latency: %d, mmio: 0x%llx\n",
1092                 dev->name, pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1093                 dev->pci_lat,
1094                 (unsigned long long)pci_resource_start(pci_dev, 0));
1095         pci_set_master(pci_dev);
1096         err = dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(32));
1097         if (err) {
1098                 pr_warn("%s: Oops: no 32bit PCI DMA ???\n", dev->name);
1099                 goto err_v4l2_unregister;
1100         }
1101
1102         /* board config */
1103         dev->board = pci_id->driver_data;
1104         if ((unsigned)card[dev->nr] < saa7134_bcount)
1105                 dev->board = card[dev->nr];
1106         if (SAA7134_BOARD_UNKNOWN == dev->board)
1107                 must_configure_manually(0);
1108         else if (SAA7134_BOARD_NOAUTO == dev->board) {
1109                 must_configure_manually(1);
1110                 dev->board = SAA7134_BOARD_UNKNOWN;
1111         }
1112         dev->autodetected = card[dev->nr] != dev->board;
1113         dev->tuner_type = saa7134_boards[dev->board].tuner_type;
1114         dev->tuner_addr = saa7134_boards[dev->board].tuner_addr;
1115         dev->radio_type = saa7134_boards[dev->board].radio_type;
1116         dev->radio_addr = saa7134_boards[dev->board].radio_addr;
1117         dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
1118         if (UNSET != tuner[dev->nr])
1119                 dev->tuner_type = tuner[dev->nr];
1120         pr_info("%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
1121                 dev->name,pci_dev->subsystem_vendor,
1122                 pci_dev->subsystem_device,saa7134_boards[dev->board].name,
1123                 dev->board, dev->autodetected ?
1124                 "autodetected" : "insmod option");
1125
1126         /* get mmio */
1127         if (!request_mem_region(pci_resource_start(pci_dev,0),
1128                                 pci_resource_len(pci_dev,0),
1129                                 dev->name)) {
1130                 err = -EBUSY;
1131                 pr_err("%s: can't get MMIO memory @ 0x%llx\n",
1132                        dev->name,(unsigned long long)pci_resource_start(pci_dev,0));
1133                 goto err_v4l2_unregister;
1134         }
1135         dev->lmmio = ioremap(pci_resource_start(pci_dev, 0),
1136                              pci_resource_len(pci_dev, 0));
1137         dev->bmmio = (__u8 __iomem *)dev->lmmio;
1138         if (NULL == dev->lmmio) {
1139                 err = -EIO;
1140                 pr_err("%s: can't ioremap() MMIO memory\n",
1141                        dev->name);
1142                 goto err_release_mem_reg;
1143         }
1144
1145         /* initialize hardware #1 */
1146         saa7134_board_init1(dev);
1147         saa7134_hwinit1(dev);
1148
1149         /* get irq */
1150         err = request_irq(pci_dev->irq, saa7134_irq,
1151                           IRQF_SHARED, dev->name, dev);
1152         if (err < 0) {
1153                 pr_err("%s: can't get IRQ %d\n",
1154                        dev->name,pci_dev->irq);
1155                 goto err_iounmap;
1156         }
1157
1158         /* wait a bit, register i2c bus */
1159         msleep(100);
1160         saa7134_i2c_register(dev);
1161         saa7134_board_init2(dev);
1162
1163         saa7134_hwinit2(dev);
1164
1165         /* load i2c helpers */
1166         if (card_is_empress(dev)) {
1167                 dev->empress_sd =
1168                         v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
1169                                 "saa6752hs",
1170                                 saa7134_boards[dev->board].empress_addr, NULL);
1171
1172                 if (dev->empress_sd)
1173                         dev->empress_sd->grp_id = GRP_EMPRESS;
1174         }
1175
1176         if (saa7134_boards[dev->board].rds_addr) {
1177                 struct v4l2_subdev *sd;
1178
1179                 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1180                                 &dev->i2c_adap, "saa6588",
1181                                 0, I2C_ADDRS(saa7134_boards[dev->board].rds_addr));
1182                 if (sd) {
1183                         pr_info("%s: found RDS decoder\n", dev->name);
1184                         dev->has_rds = 1;
1185                 }
1186         }
1187
1188         mutex_lock(&saa7134_devlist_lock);
1189         list_for_each_entry(mops, &mops_list, next)
1190                 mpeg_ops_attach(mops, dev);
1191         list_add_tail(&dev->devlist, &saa7134_devlist);
1192         mutex_unlock(&saa7134_devlist_lock);
1193
1194         /* check for signal */
1195         saa7134_irq_video_signalchange(dev);
1196
1197         if (TUNER_ABSENT != dev->tuner_type)
1198                 saa_call_all(dev, core, s_power, 0);
1199
1200         /* register v4l devices */
1201         if (saa7134_no_overlay > 0)
1202                 pr_info("%s: Overlay support disabled.\n", dev->name);
1203
1204         dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
1205         dev->video_dev->ctrl_handler = &dev->ctrl_handler;
1206         dev->video_dev->lock = &dev->lock;
1207         dev->video_dev->queue = &dev->video_vbq;
1208         dev->video_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1209                                       V4L2_CAP_VIDEO_CAPTURE;
1210         if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type != UNSET)
1211                 dev->video_dev->device_caps |= V4L2_CAP_TUNER;
1212
1213         if (saa7134_no_overlay <= 0)
1214                 dev->video_dev->device_caps |= V4L2_CAP_VIDEO_OVERLAY;
1215
1216         err = video_register_device(dev->video_dev,VFL_TYPE_VIDEO,
1217                                     video_nr[dev->nr]);
1218         if (err < 0) {
1219                 pr_info("%s: can't register video device\n",
1220                        dev->name);
1221                 goto err_unregister_video;
1222         }
1223         pr_info("%s: registered device %s [v4l2]\n",
1224                dev->name, video_device_node_name(dev->video_dev));
1225
1226         dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi");
1227         dev->vbi_dev->ctrl_handler = &dev->ctrl_handler;
1228         dev->vbi_dev->lock = &dev->lock;
1229         dev->vbi_dev->queue = &dev->vbi_vbq;
1230         dev->vbi_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1231                                     V4L2_CAP_VBI_CAPTURE;
1232         if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type != UNSET)
1233                 dev->vbi_dev->device_caps |= V4L2_CAP_TUNER;
1234
1235         err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1236                                     vbi_nr[dev->nr]);
1237         if (err < 0)
1238                 goto err_unregister_video;
1239         pr_info("%s: registered device %s\n",
1240                dev->name, video_device_node_name(dev->vbi_dev));
1241
1242         if (card_has_radio(dev)) {
1243                 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
1244                 dev->radio_dev->ctrl_handler = &dev->radio_ctrl_handler;
1245                 dev->radio_dev->lock = &dev->lock;
1246                 dev->radio_dev->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
1247                 if (dev->has_rds)
1248                         dev->radio_dev->device_caps |= V4L2_CAP_RDS_CAPTURE;
1249                 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1250                                             radio_nr[dev->nr]);
1251                 if (err < 0)
1252                         goto err_unregister_video;
1253                 pr_info("%s: registered device %s\n",
1254                        dev->name, video_device_node_name(dev->radio_dev));
1255         }
1256
1257 #ifdef CONFIG_MEDIA_CONTROLLER
1258         saa7134_create_entities(dev);
1259
1260         err = v4l2_mc_create_media_graph(dev->media_dev);
1261         if (err) {
1262                 pr_err("failed to create media graph\n");
1263                 goto err_unregister_video;
1264         }
1265 #endif
1266         /* everything worked */
1267         saa7134_devcount++;
1268
1269         if (saa7134_dmasound_init && !dev->dmasound.priv_data)
1270                 saa7134_dmasound_init(dev);
1271
1272         request_submodules(dev);
1273
1274         /*
1275          * Do it at the end, to reduce dynamic configuration changes during
1276          * the device init. Yet, as request_modules() can be async, the
1277          * topology will likely change after load the saa7134 subdrivers.
1278          */
1279 #ifdef CONFIG_MEDIA_CONTROLLER
1280         err = media_device_register(dev->media_dev);
1281         if (err) {
1282                 media_device_cleanup(dev->media_dev);
1283                 goto err_unregister_video;
1284         }
1285 #endif
1286
1287         return 0;
1288
1289 err_unregister_video:
1290         saa7134_unregister_video(dev);
1291         list_del(&dev->devlist);
1292         saa7134_i2c_unregister(dev);
1293         free_irq(pci_dev->irq, dev);
1294 err_iounmap:
1295         saa7134_hwfini(dev);
1296         iounmap(dev->lmmio);
1297 err_release_mem_reg:
1298         release_mem_region(pci_resource_start(pci_dev,0),
1299                            pci_resource_len(pci_dev,0));
1300 err_v4l2_unregister:
1301         v4l2_device_unregister(&dev->v4l2_dev);
1302 err_free_dev:
1303 #ifdef CONFIG_MEDIA_CONTROLLER
1304         kfree(dev->media_dev);
1305 #endif
1306         kfree(dev);
1307         return err;
1308 }
1309
1310 static void saa7134_finidev(struct pci_dev *pci_dev)
1311 {
1312         struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1313         struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1314         struct saa7134_mpeg_ops *mops;
1315
1316         flush_request_submodules(dev);
1317
1318         /* Release DMA sound modules if present */
1319         if (saa7134_dmasound_exit && dev->dmasound.priv_data) {
1320                 saa7134_dmasound_exit(dev);
1321         }
1322
1323         /* debugging ... */
1324         if (irq_debug) {
1325                 u32 report = saa_readl(SAA7134_IRQ_REPORT);
1326                 u32 status = saa_readl(SAA7134_IRQ_STATUS);
1327                 print_irqstatus(dev,42,report,status);
1328         }
1329
1330         /* disable peripheral devices */
1331         saa_writeb(SAA7134_SPECIAL_MODE,0);
1332
1333         /* shutdown hardware */
1334         saa_writel(SAA7134_IRQ1,0);
1335         saa_writel(SAA7134_IRQ2,0);
1336         saa_writel(SAA7134_MAIN_CTRL,0);
1337
1338         /* shutdown subsystems */
1339         saa7134_hwfini(dev);
1340
1341         /* unregister */
1342         mutex_lock(&saa7134_devlist_lock);
1343         list_del(&dev->devlist);
1344         list_for_each_entry(mops, &mops_list, next)
1345                 mpeg_ops_detach(mops, dev);
1346         mutex_unlock(&saa7134_devlist_lock);
1347         saa7134_devcount--;
1348
1349         saa7134_i2c_unregister(dev);
1350         saa7134_unregister_video(dev);
1351
1352
1353         /* the DMA sound modules should be unloaded before reaching
1354            this, but just in case they are still present... */
1355         if (dev->dmasound.priv_data != NULL) {
1356                 free_irq(pci_dev->irq, &dev->dmasound);
1357                 dev->dmasound.priv_data = NULL;
1358         }
1359
1360
1361         /* release resources */
1362         free_irq(pci_dev->irq, dev);
1363         iounmap(dev->lmmio);
1364         release_mem_region(pci_resource_start(pci_dev,0),
1365                            pci_resource_len(pci_dev,0));
1366
1367         v4l2_device_unregister(&dev->v4l2_dev);
1368
1369         saa7134_unregister_media_device(dev);
1370
1371         /* free memory */
1372         kfree(dev);
1373 }
1374
1375 /* resends a current buffer in queue after resume */
1376 static int __maybe_unused saa7134_buffer_requeue(struct saa7134_dev *dev,
1377                                                  struct saa7134_dmaqueue *q)
1378 {
1379         struct saa7134_buf *buf, *next;
1380
1381         assert_spin_locked(&dev->slock);
1382
1383         buf  = q->curr;
1384         next = buf;
1385         core_dbg("buffer_requeue\n");
1386
1387         if (!buf)
1388                 return 0;
1389
1390         core_dbg("buffer_requeue : resending active buffer\n");
1391
1392         if (!list_empty(&q->queue))
1393                 next = list_entry(q->queue.next, struct saa7134_buf,
1394                                           entry);
1395         buf->activate(dev, buf, next);
1396
1397         return 0;
1398 }
1399
1400 static int __maybe_unused saa7134_suspend(struct device *dev_d)
1401 {
1402         struct pci_dev *pci_dev = to_pci_dev(dev_d);
1403         struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1404         struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1405
1406         /* disable overlay - apps should enable it explicitly on resume*/
1407         dev->ovenable = 0;
1408
1409         /* Disable interrupts, DMA, and rest of the chip*/
1410         saa_writel(SAA7134_IRQ1, 0);
1411         saa_writel(SAA7134_IRQ2, 0);
1412         saa_writel(SAA7134_MAIN_CTRL, 0);
1413
1414         dev->insuspend = 1;
1415         synchronize_irq(pci_dev->irq);
1416
1417         /* ACK interrupts once more, just in case,
1418                 since the IRQ handler won't ack them anymore*/
1419
1420         saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
1421
1422         /* Disable timeout timers - if we have active buffers, we will
1423            fill them on resume*/
1424
1425         del_timer(&dev->video_q.timeout);
1426         del_timer(&dev->vbi_q.timeout);
1427         del_timer(&dev->ts_q.timeout);
1428
1429         if (dev->remote && dev->remote->dev->users)
1430                 saa7134_ir_close(dev->remote->dev);
1431
1432         return 0;
1433 }
1434
1435 static int __maybe_unused saa7134_resume(struct device *dev_d)
1436 {
1437         struct v4l2_device *v4l2_dev = dev_get_drvdata(dev_d);
1438         struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1439         unsigned long flags;
1440
1441         /* Do things that are done in saa7134_initdev ,
1442                 except of initializing memory structures.*/
1443
1444         saa7134_board_init1(dev);
1445
1446         /* saa7134_hwinit1 */
1447         if (saa7134_boards[dev->board].video_out)
1448                 saa7134_videoport_init(dev);
1449         if (card_has_mpeg(dev))
1450                 saa7134_ts_init_hw(dev);
1451         if (dev->remote && dev->remote->dev->users)
1452                 saa7134_ir_open(dev->remote->dev);
1453         saa7134_hw_enable1(dev);
1454
1455         msleep(100);
1456
1457         saa7134_board_init2(dev);
1458
1459         /*saa7134_hwinit2*/
1460         saa7134_set_tvnorm_hw(dev);
1461         saa7134_tvaudio_setmute(dev);
1462         saa7134_tvaudio_setvolume(dev, dev->ctl_volume);
1463         saa7134_tvaudio_init(dev);
1464         saa7134_enable_i2s(dev);
1465         saa7134_hw_enable2(dev);
1466
1467         saa7134_irq_video_signalchange(dev);
1468
1469         /*resume unfinished buffer(s)*/
1470         spin_lock_irqsave(&dev->slock, flags);
1471         saa7134_buffer_requeue(dev, &dev->video_q);
1472         saa7134_buffer_requeue(dev, &dev->vbi_q);
1473         saa7134_buffer_requeue(dev, &dev->ts_q);
1474
1475         /* FIXME: Disable DMA audio sound - temporary till proper support
1476                   is implemented*/
1477
1478         dev->dmasound.dma_running = 0;
1479
1480         /* start DMA now*/
1481         dev->insuspend = 0;
1482         smp_wmb();
1483         saa7134_set_dmabits(dev);
1484         spin_unlock_irqrestore(&dev->slock, flags);
1485
1486         return 0;
1487 }
1488
1489 /* ----------------------------------------------------------- */
1490
1491 int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1492 {
1493         struct saa7134_dev *dev;
1494
1495         mutex_lock(&saa7134_devlist_lock);
1496         list_for_each_entry(dev, &saa7134_devlist, devlist)
1497                 mpeg_ops_attach(ops, dev);
1498         list_add_tail(&ops->next,&mops_list);
1499         mutex_unlock(&saa7134_devlist_lock);
1500         return 0;
1501 }
1502
1503 void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1504 {
1505         struct saa7134_dev *dev;
1506
1507         mutex_lock(&saa7134_devlist_lock);
1508         list_del(&ops->next);
1509         list_for_each_entry(dev, &saa7134_devlist, devlist)
1510                 mpeg_ops_detach(ops, dev);
1511         mutex_unlock(&saa7134_devlist_lock);
1512 }
1513
1514 EXPORT_SYMBOL(saa7134_ts_register);
1515 EXPORT_SYMBOL(saa7134_ts_unregister);
1516
1517 /* ----------------------------------------------------------- */
1518
1519 static SIMPLE_DEV_PM_OPS(saa7134_pm_ops, saa7134_suspend, saa7134_resume);
1520
1521 static struct pci_driver saa7134_pci_driver = {
1522         .name     = "saa7134",
1523         .id_table = saa7134_pci_tbl,
1524         .probe    = saa7134_initdev,
1525         .remove   = saa7134_finidev,
1526         .driver.pm = &saa7134_pm_ops,
1527 };
1528
1529 static int __init saa7134_init(void)
1530 {
1531         pr_info("saa7130/34: v4l2 driver version %s loaded\n",
1532                SAA7134_VERSION);
1533         return pci_register_driver(&saa7134_pci_driver);
1534 }
1535
1536 static void __exit saa7134_fini(void)
1537 {
1538         pci_unregister_driver(&saa7134_pci_driver);
1539 }
1540
1541 module_init(saa7134_init);
1542 module_exit(saa7134_fini);
1543
1544 /* ----------------------------------------------------------- */
1545
1546 EXPORT_SYMBOL(saa7134_set_gpio);
1547 EXPORT_SYMBOL(saa7134_boards);
1548
1549 /* ----------------- for the DMA sound modules --------------- */
1550
1551 EXPORT_SYMBOL(saa7134_dmasound_init);
1552 EXPORT_SYMBOL(saa7134_dmasound_exit);
1553 EXPORT_SYMBOL(saa7134_pgtable_free);
1554 EXPORT_SYMBOL(saa7134_pgtable_build);
1555 EXPORT_SYMBOL(saa7134_pgtable_alloc);
1556 EXPORT_SYMBOL(saa7134_set_dmabits);