drivers/media/pci/cx88/cx88-video.c

   1 /*
   2  *
   3  * device driver for Conexant 2388x based TV cards
   4  * video4linux video interface
   5  *
   6  * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
   7  *
   8  * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
   9  *      - Multituner support
  10  *      - video_ioctl2 conversion
  11  *      - PAL/M fixes
  12  *
  13  *  This program is free software; you can redistribute it and/or modify
  14  *  it under the terms of the GNU General Public License as published by
  15  *  the Free Software Foundation; either version 2 of the License, or
  16  *  (at your option) any later version.
  17  *
  18  *  This program is distributed in the hope that it will be useful,
  19  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  *  GNU General Public License for more details.
  22  */
  23
  24 #include "cx88.h"
  25
  26 #include <linux/init.h>
  27 #include <linux/list.h>
  28 #include <linux/module.h>
  29 #include <linux/kmod.h>
  30 #include <linux/kernel.h>
  31 #include <linux/slab.h>
  32 #include <linux/interrupt.h>
  33 #include <linux/dma-mapping.h>
  34 #include <linux/delay.h>
  35 #include <linux/kthread.h>
  36 #include <asm/div64.h>
  37
  38 #include <media/v4l2-common.h>
  39 #include <media/v4l2-ioctl.h>
  40 #include <media/v4l2-event.h>
  41 #include <media/i2c/wm8775.h>
  42
  43 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
  44 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  45 MODULE_LICENSE("GPL");
  46 MODULE_VERSION(CX88_VERSION);
  47
  48 /* ------------------------------------------------------------------ */
  49
  50 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  51 static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  52 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  53
  54 module_param_array(video_nr, int, NULL, 0444);
  55 module_param_array(vbi_nr,   int, NULL, 0444);
  56 module_param_array(radio_nr, int, NULL, 0444);
  57
  58 MODULE_PARM_DESC(video_nr, "video device numbers");
  59 MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
  60 MODULE_PARM_DESC(radio_nr, "radio device numbers");
  61
  62 static unsigned int video_debug;
  63 module_param(video_debug, int, 0644);
  64 MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
  65
  66 static unsigned int irq_debug;
  67 module_param(irq_debug, int, 0644);
  68 MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]");
  69
  70 #define dprintk(level, fmt, arg...) do {                        \
  71         if (video_debug >= level)                               \
  72                 printk(KERN_DEBUG pr_fmt("%s: video:" fmt),     \
  73                         __func__, ##arg);                       \
  74 } while (0)
  75
  76 /* ------------------------------------------------------------------- */
  77 /* static data                                                         */
  78
  79 static const struct cx8800_fmt formats[] = {
  80         {
  81                 .name     = "8 bpp, gray",
  82                 .fourcc   = V4L2_PIX_FMT_GREY,
  83                 .cxformat = ColorFormatY8,
  84                 .depth    = 8,
  85                 .flags    = FORMAT_FLAGS_PACKED,
  86         }, {
  87                 .name     = "15 bpp RGB, le",
  88                 .fourcc   = V4L2_PIX_FMT_RGB555,
  89                 .cxformat = ColorFormatRGB15,
  90                 .depth    = 16,
  91                 .flags    = FORMAT_FLAGS_PACKED,
  92         }, {
  93                 .name     = "15 bpp RGB, be",
  94                 .fourcc   = V4L2_PIX_FMT_RGB555X,
  95                 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
  96                 .depth    = 16,
  97                 .flags    = FORMAT_FLAGS_PACKED,
  98         }, {
  99                 .name     = "16 bpp RGB, le",
 100                 .fourcc   = V4L2_PIX_FMT_RGB565,
 101                 .cxformat = ColorFormatRGB16,
 102                 .depth    = 16,
 103                 .flags    = FORMAT_FLAGS_PACKED,
 104         }, {
 105                 .name     = "16 bpp RGB, be",
 106                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 107                 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
 108                 .depth    = 16,
 109                 .flags    = FORMAT_FLAGS_PACKED,
 110         }, {
 111                 .name     = "24 bpp RGB, le",
 112                 .fourcc   = V4L2_PIX_FMT_BGR24,
 113                 .cxformat = ColorFormatRGB24,
 114                 .depth    = 24,
 115                 .flags    = FORMAT_FLAGS_PACKED,
 116         }, {
 117                 .name     = "32 bpp RGB, le",
 118                 .fourcc   = V4L2_PIX_FMT_BGR32,
 119                 .cxformat = ColorFormatRGB32,
 120                 .depth    = 32,
 121                 .flags    = FORMAT_FLAGS_PACKED,
 122         }, {
 123                 .name     = "32 bpp RGB, be",
 124                 .fourcc   = V4L2_PIX_FMT_RGB32,
 125                 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP |
 126                             ColorFormatWSWAP,
 127                 .depth    = 32,
 128                 .flags    = FORMAT_FLAGS_PACKED,
 129         }, {
 130                 .name     = "4:2:2, packed, YUYV",
 131                 .fourcc   = V4L2_PIX_FMT_YUYV,
 132                 .cxformat = ColorFormatYUY2,
 133                 .depth    = 16,
 134                 .flags    = FORMAT_FLAGS_PACKED,
 135         }, {
 136                 .name     = "4:2:2, packed, UYVY",
 137                 .fourcc   = V4L2_PIX_FMT_UYVY,
 138                 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
 139                 .depth    = 16,
 140                 .flags    = FORMAT_FLAGS_PACKED,
 141         },
 142 };
 143
 144 static const struct cx8800_fmt *format_by_fourcc(unsigned int fourcc)
 145 {
 146         unsigned int i;
 147
 148         for (i = 0; i < ARRAY_SIZE(formats); i++)
 149                 if (formats[i].fourcc == fourcc)
 150                         return formats + i;
 151         return NULL;
 152 }
 153
 154 /* ------------------------------------------------------------------- */
 155
 156 struct cx88_ctrl {
 157         /* control information */
 158         u32 id;
 159         s32 minimum;
 160         s32 maximum;
 161         u32 step;
 162         s32 default_value;
 163
 164         /* control register information */
 165         u32 off;
 166         u32 reg;
 167         u32 sreg;
 168         u32 mask;
 169         u32 shift;
 170 };
 171
 172 static const struct cx88_ctrl cx8800_vid_ctls[] = {
 173         /* --- video --- */
 174         {
 175                 .id            = V4L2_CID_BRIGHTNESS,
 176                 .minimum       = 0x00,
 177                 .maximum       = 0xff,
 178                 .step          = 1,
 179                 .default_value = 0x7f,
 180                 .off           = 128,
 181                 .reg           = MO_CONTR_BRIGHT,
 182                 .mask          = 0x00ff,
 183                 .shift         = 0,
 184         }, {
 185                 .id            = V4L2_CID_CONTRAST,
 186                 .minimum       = 0,
 187                 .maximum       = 0xff,
 188                 .step          = 1,
 189                 .default_value = 0x3f,
 190                 .off           = 0,
 191                 .reg           = MO_CONTR_BRIGHT,
 192                 .mask          = 0xff00,
 193                 .shift         = 8,
 194         }, {
 195                 .id            = V4L2_CID_HUE,
 196                 .minimum       = 0,
 197                 .maximum       = 0xff,
 198                 .step          = 1,
 199                 .default_value = 0x7f,
 200                 .off           = 128,
 201                 .reg           = MO_HUE,
 202                 .mask          = 0x00ff,
 203                 .shift         = 0,
 204         }, {
 205                 /* strictly, this only describes only U saturation.
 206                  * V saturation is handled specially through code.
 207                  */
 208                 .id            = V4L2_CID_SATURATION,
 209                 .minimum       = 0,
 210                 .maximum       = 0xff,
 211                 .step          = 1,
 212                 .default_value = 0x7f,
 213                 .off           = 0,
 214                 .reg           = MO_UV_SATURATION,
 215                 .mask          = 0x00ff,
 216                 .shift         = 0,
 217         }, {
 218                 .id            = V4L2_CID_SHARPNESS,
 219                 .minimum       = 0,
 220                 .maximum       = 4,
 221                 .step          = 1,
 222                 .default_value = 0x0,
 223                 .off           = 0,
 224                 /*
 225                  * NOTE: the value is converted and written to both even
 226                  * and odd registers in the code
 227                  */
 228                 .reg           = MO_FILTER_ODD,
 229                 .mask          = 7 << 7,
 230                 .shift         = 7,
 231         }, {
 232                 .id            = V4L2_CID_CHROMA_AGC,
 233                 .minimum       = 0,
 234                 .maximum       = 1,
 235                 .default_value = 0x1,
 236                 .reg           = MO_INPUT_FORMAT,
 237                 .mask          = 1 << 10,
 238                 .shift         = 10,
 239         }, {
 240                 .id            = V4L2_CID_COLOR_KILLER,
 241                 .minimum       = 0,
 242                 .maximum       = 1,
 243                 .default_value = 0x1,
 244                 .reg           = MO_INPUT_FORMAT,
 245                 .mask          = 1 << 9,
 246                 .shift         = 9,
 247         }, {
 248                 .id            = V4L2_CID_BAND_STOP_FILTER,
 249                 .minimum       = 0,
 250                 .maximum       = 1,
 251                 .step          = 1,
 252                 .default_value = 0x0,
 253                 .off           = 0,
 254                 .reg           = MO_HTOTAL,
 255                 .mask          = 3 << 11,
 256                 .shift         = 11,
 257         }
 258 };
 259
 260 static const struct cx88_ctrl cx8800_aud_ctls[] = {
 261         {
 262                 /* --- audio --- */
 263                 .id            = V4L2_CID_AUDIO_MUTE,
 264                 .minimum       = 0,
 265                 .maximum       = 1,
 266                 .default_value = 1,
 267                 .reg           = AUD_VOL_CTL,
 268                 .sreg          = SHADOW_AUD_VOL_CTL,
 269                 .mask          = (1 << 6),
 270                 .shift         = 6,
 271         }, {
 272                 .id            = V4L2_CID_AUDIO_VOLUME,
 273                 .minimum       = 0,
 274                 .maximum       = 0x3f,
 275                 .step          = 1,
 276                 .default_value = 0x3f,
 277                 .reg           = AUD_VOL_CTL,
 278                 .sreg          = SHADOW_AUD_VOL_CTL,
 279                 .mask          = 0x3f,
 280                 .shift         = 0,
 281         }, {
 282                 .id            = V4L2_CID_AUDIO_BALANCE,
 283                 .minimum       = 0,
 284                 .maximum       = 0x7f,
 285                 .step          = 1,
 286                 .default_value = 0x40,
 287                 .reg           = AUD_BAL_CTL,
 288                 .sreg          = SHADOW_AUD_BAL_CTL,
 289                 .mask          = 0x7f,
 290                 .shift         = 0,
 291         }
 292 };
 293
 294 enum {
 295         CX8800_VID_CTLS = ARRAY_SIZE(cx8800_vid_ctls),
 296         CX8800_AUD_CTLS = ARRAY_SIZE(cx8800_aud_ctls),
 297 };
 298
 299 /* ------------------------------------------------------------------ */
 300
 301 int cx88_video_mux(struct cx88_core *core, unsigned int input)
 302 {
 303         /* struct cx88_core *core = dev->core; */
 304
 305         dprintk(1, "video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
 306                 input, INPUT(input).vmux,
 307                 INPUT(input).gpio0, INPUT(input).gpio1,
 308                 INPUT(input).gpio2, INPUT(input).gpio3);
 309         core->input = input;
 310         cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
 311         cx_write(MO_GP3_IO, INPUT(input).gpio3);
 312         cx_write(MO_GP0_IO, INPUT(input).gpio0);
 313         cx_write(MO_GP1_IO, INPUT(input).gpio1);
 314         cx_write(MO_GP2_IO, INPUT(input).gpio2);
 315
 316         switch (INPUT(input).type) {
 317         case CX88_VMUX_SVIDEO:
 318                 cx_set(MO_AFECFG_IO,    0x00000001);
 319                 cx_set(MO_INPUT_FORMAT, 0x00010010);
 320                 cx_set(MO_FILTER_EVEN,  0x00002020);
 321                 cx_set(MO_FILTER_ODD,   0x00002020);
 322                 break;
 323         default:
 324                 cx_clear(MO_AFECFG_IO,    0x00000001);
 325                 cx_clear(MO_INPUT_FORMAT, 0x00010010);
 326                 cx_clear(MO_FILTER_EVEN,  0x00002020);
 327                 cx_clear(MO_FILTER_ODD,   0x00002020);
 328                 break;
 329         }
 330
 331         /*
 332          * if there are audioroutes defined, we have an external
 333          * ADC to deal with audio
 334          */
 335         if (INPUT(input).audioroute) {
 336                 /*
 337                  * The wm8775 module has the "2" route hardwired into
 338                  * the initialization. Some boards may use different
 339                  * routes for different inputs. HVR-1300 surely does
 340                  */
 341                 if (core->sd_wm8775) {
 342                         call_all(core, audio, s_routing,
 343                                  INPUT(input).audioroute, 0, 0);
 344                 }
 345                 /*
 346                  * cx2388's C-ADC is connected to the tuner only.
 347                  * When used with S-Video, that ADC is busy dealing with
 348                  * chroma, so an external must be used for baseband audio
 349                  */
 350                 if (INPUT(input).type != CX88_VMUX_TELEVISION &&
 351                     INPUT(input).type != CX88_VMUX_CABLE) {
 352                         /* "I2S ADC mode" */
 353                         core->tvaudio = WW_I2SADC;
 354                         cx88_set_tvaudio(core);
 355                 } else {
 356                         /* Normal mode */
 357                         cx_write(AUD_I2SCNTL, 0x0);
 358                         cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
 359                 }
 360         }
 361
 362         return 0;
 363 }
 364 EXPORT_SYMBOL(cx88_video_mux);
 365
 366 /* ------------------------------------------------------------------ */
 367
 368 static int start_video_dma(struct cx8800_dev    *dev,
 369                            struct cx88_dmaqueue *q,
 370                            struct cx88_buffer   *buf)
 371 {
 372         struct cx88_core *core = dev->core;
 373
 374         /* setup fifo + format */
 375         cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
 376                                 buf->bpl, buf->risc.dma);
 377         cx88_set_scale(core, core->width, core->height, core->field);
 378         cx_write(MO_COLOR_CTRL, dev->fmt->cxformat | ColorFormatGamma);
 379
 380         /* reset counter */
 381         cx_write(MO_VIDY_GPCNTRL, GP_COUNT_CONTROL_RESET);
 382         q->count = 0;
 383
 384         /* enable irqs */
 385         cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
 386
 387         /*
 388          * Enables corresponding bits at PCI_INT_STAT:
 389          *      bits 0 to 4: video, audio, transport stream, VIP, Host
 390          *      bit 7: timer
 391          *      bits 8 and 9: DMA complete for: SRC, DST
 392          *      bits 10 and 11: BERR signal asserted for RISC: RD, WR
 393          *      bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
 394          */
 395         cx_set(MO_VID_INTMSK, 0x0f0011);
 396
 397         /* enable capture */
 398         cx_set(VID_CAPTURE_CONTROL, 0x06);
 399
 400         /* start dma */
 401         cx_set(MO_DEV_CNTRL2, (1 << 5));
 402         cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
 403
 404         return 0;
 405 }
 406
 407 #ifdef CONFIG_PM
 408 static int stop_video_dma(struct cx8800_dev    *dev)
 409 {
 410         struct cx88_core *core = dev->core;
 411
 412         /* stop dma */
 413         cx_clear(MO_VID_DMACNTRL, 0x11);
 414
 415         /* disable capture */
 416         cx_clear(VID_CAPTURE_CONTROL, 0x06);
 417
 418         /* disable irqs */
 419         cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
 420         cx_clear(MO_VID_INTMSK, 0x0f0011);
 421         return 0;
 422 }
 423
 424 static int restart_video_queue(struct cx8800_dev    *dev,
 425                                struct cx88_dmaqueue *q)
 426 {
 427         struct cx88_buffer *buf;
 428
 429         if (!list_empty(&q->active)) {
 430                 buf = list_entry(q->active.next, struct cx88_buffer, list);
 431                 dprintk(2, "restart_queue [%p/%d]: restart dma\n",
 432                         buf, buf->vb.vb2_buf.index);
 433                 start_video_dma(dev, q, buf);
 434         }
 435         return 0;
 436 }
 437 #endif
 438
 439 /* ------------------------------------------------------------------ */
 440
 441 static int queue_setup(struct vb2_queue *q,
 442                        unsigned int *num_buffers, unsigned int *num_planes,
 443                        unsigned int sizes[], struct device *alloc_devs[])
 444 {
 445         struct cx8800_dev *dev = q->drv_priv;
 446         struct cx88_core *core = dev->core;
 447
 448         *num_planes = 1;
 449         sizes[0] = (dev->fmt->depth * core->width * core->height) >> 3;
 450         return 0;
 451 }
 452
 453 static int buffer_prepare(struct vb2_buffer *vb)
 454 {
 455         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 456         struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
 457         struct cx88_core *core = dev->core;
 458         struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
 459         struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
 460
 461         buf->bpl = core->width * dev->fmt->depth >> 3;
 462
 463         if (vb2_plane_size(vb, 0) < core->height * buf->bpl)
 464                 return -EINVAL;
 465         vb2_set_plane_payload(vb, 0, core->height * buf->bpl);
 466
 467         switch (core->field) {
 468         case V4L2_FIELD_TOP:
 469                 cx88_risc_buffer(dev->pci, &buf->risc,
 470                                  sgt->sgl, 0, UNSET,
 471                                  buf->bpl, 0, core->height);
 472                 break;
 473         case V4L2_FIELD_BOTTOM:
 474                 cx88_risc_buffer(dev->pci, &buf->risc,
 475                                  sgt->sgl, UNSET, 0,
 476                                  buf->bpl, 0, core->height);
 477                 break;
 478         case V4L2_FIELD_SEQ_TB:
 479                 cx88_risc_buffer(dev->pci, &buf->risc,
 480                                  sgt->sgl,
 481                                  0, buf->bpl * (core->height >> 1),
 482                                  buf->bpl, 0,
 483                                  core->height >> 1);
 484                 break;
 485         case V4L2_FIELD_SEQ_BT:
 486                 cx88_risc_buffer(dev->pci, &buf->risc,
 487                                  sgt->sgl,
 488                                  buf->bpl * (core->height >> 1), 0,
 489                                  buf->bpl, 0,
 490                                  core->height >> 1);
 491                 break;
 492         case V4L2_FIELD_INTERLACED:
 493         default:
 494                 cx88_risc_buffer(dev->pci, &buf->risc,
 495                                  sgt->sgl, 0, buf->bpl,
 496                                  buf->bpl, buf->bpl,
 497                                  core->height >> 1);
 498                 break;
 499         }
 500         dprintk(2,
 501                 "[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 502                 buf, buf->vb.vb2_buf.index,
 503                 core->width, core->height, dev->fmt->depth, dev->fmt->name,
 504                 (unsigned long)buf->risc.dma);
 505         return 0;
 506 }
 507
 508 static void buffer_finish(struct vb2_buffer *vb)
 509 {
 510         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 511         struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
 512         struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
 513         struct cx88_riscmem *risc = &buf->risc;
 514
 515         if (risc->cpu)
 516                 pci_free_consistent(dev->pci, risc->size, risc->cpu, risc->dma);
 517         memset(risc, 0, sizeof(*risc));
 518 }
 519
 520 static void buffer_queue(struct vb2_buffer *vb)
 521 {
 522         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 523         struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
 524         struct cx88_buffer    *buf = container_of(vbuf, struct cx88_buffer, vb);
 525         struct cx88_buffer    *prev;
 526         struct cx88_dmaqueue  *q    = &dev->vidq;
 527
 528         /* add jump to start */
 529         buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 8);
 530         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC);
 531         buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 8);
 532
 533         if (list_empty(&q->active)) {
 534                 list_add_tail(&buf->list, &q->active);
 535                 dprintk(2, "[%p/%d] buffer_queue - first active\n",
 536                         buf, buf->vb.vb2_buf.index);
 537
 538         } else {
 539                 buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1);
 540                 prev = list_entry(q->active.prev, struct cx88_buffer, list);
 541                 list_add_tail(&buf->list, &q->active);
 542                 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 543                 dprintk(2, "[%p/%d] buffer_queue - append to active\n",
 544                         buf, buf->vb.vb2_buf.index);
 545         }
 546 }
 547
 548 static int start_streaming(struct vb2_queue *q, unsigned int count)
 549 {
 550         struct cx8800_dev *dev = q->drv_priv;
 551         struct cx88_dmaqueue *dmaq = &dev->vidq;
 552         struct cx88_buffer *buf = list_entry(dmaq->active.next,
 553                         struct cx88_buffer, list);
 554
 555         start_video_dma(dev, dmaq, buf);
 556         return 0;
 557 }
 558
 559 static void stop_streaming(struct vb2_queue *q)
 560 {
 561         struct cx8800_dev *dev = q->drv_priv;
 562         struct cx88_core *core = dev->core;
 563         struct cx88_dmaqueue *dmaq = &dev->vidq;
 564         unsigned long flags;
 565
 566         cx_clear(MO_VID_DMACNTRL, 0x11);
 567         cx_clear(VID_CAPTURE_CONTROL, 0x06);
 568         spin_lock_irqsave(&dev->slock, flags);
 569         while (!list_empty(&dmaq->active)) {
 570                 struct cx88_buffer *buf = list_entry(dmaq->active.next,
 571                         struct cx88_buffer, list);
 572
 573                 list_del(&buf->list);
 574                 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
 575         }
 576         spin_unlock_irqrestore(&dev->slock, flags);
 577 }
 578
 579 static const struct vb2_ops cx8800_video_qops = {
 580         .queue_setup    = queue_setup,
 581         .buf_prepare  = buffer_prepare,
 582         .buf_finish = buffer_finish,
 583         .buf_queue    = buffer_queue,
 584         .wait_prepare = vb2_ops_wait_prepare,
 585         .wait_finish = vb2_ops_wait_finish,
 586         .start_streaming = start_streaming,
 587         .stop_streaming = stop_streaming,
 588 };
 589
 590 /* ------------------------------------------------------------------ */
 591
 592 static int radio_open(struct file *file)
 593 {
 594         struct cx8800_dev *dev = video_drvdata(file);
 595         struct cx88_core *core = dev->core;
 596         int ret = v4l2_fh_open(file);
 597
 598         if (ret)
 599                 return ret;
 600
 601         cx_write(MO_GP3_IO, core->board.radio.gpio3);
 602         cx_write(MO_GP0_IO, core->board.radio.gpio0);
 603         cx_write(MO_GP1_IO, core->board.radio.gpio1);
 604         cx_write(MO_GP2_IO, core->board.radio.gpio2);
 605         if (core->board.radio.audioroute) {
 606                 if (core->sd_wm8775) {
 607                         call_all(core, audio, s_routing,
 608                                  core->board.radio.audioroute, 0, 0);
 609                 }
 610                 /* "I2S ADC mode" */
 611                 core->tvaudio = WW_I2SADC;
 612                 cx88_set_tvaudio(core);
 613         } else {
 614                 /* FM Mode */
 615                 core->tvaudio = WW_FM;
 616                 cx88_set_tvaudio(core);
 617                 cx88_set_stereo(core, V4L2_TUNER_MODE_STEREO, 1);
 618         }
 619         call_all(core, tuner, s_radio);
 620         return 0;
 621 }
 622
 623 /* ------------------------------------------------------------------ */
 624 /* VIDEO CTRL IOCTLS                                                  */
 625
 626 static int cx8800_s_vid_ctrl(struct v4l2_ctrl *ctrl)
 627 {
 628         struct cx88_core *core =
 629                 container_of(ctrl->handler, struct cx88_core, video_hdl);
 630         const struct cx88_ctrl *cc = ctrl->priv;
 631         u32 value, mask;
 632
 633         mask = cc->mask;
 634         switch (ctrl->id) {
 635         case V4L2_CID_SATURATION:
 636                 /* special v_sat handling */
 637
 638                 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 639
 640                 if (core->tvnorm & V4L2_STD_SECAM) {
 641                         /* For SECAM, both U and V sat should be equal */
 642                         value = value << 8 | value;
 643                 } else {
 644                         /* Keeps U Saturation proportional to V Sat */
 645                         value = (value * 0x5a) / 0x7f << 8 | value;
 646                 }
 647                 mask = 0xffff;
 648                 break;
 649         case V4L2_CID_SHARPNESS:
 650                 /* 0b000, 0b100, 0b101, 0b110, or 0b111 */
 651                 value = (ctrl->val < 1 ? 0 : ((ctrl->val + 3) << 7));
 652                 /* needs to be set for both fields */
 653                 cx_andor(MO_FILTER_EVEN, mask, value);
 654                 break;
 655         case V4L2_CID_CHROMA_AGC:
 656                 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 657                 break;
 658         default:
 659                 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 660                 break;
 661         }
 662         dprintk(1,
 663                 "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 664                 ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
 665                 mask, cc->sreg ? " [shadowed]" : "");
 666         if (cc->sreg)
 667                 cx_sandor(cc->sreg, cc->reg, mask, value);
 668         else
 669                 cx_andor(cc->reg, mask, value);
 670         return 0;
 671 }
 672
 673 static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl)
 674 {
 675         struct cx88_core *core =
 676                 container_of(ctrl->handler, struct cx88_core, audio_hdl);
 677         const struct cx88_ctrl *cc = ctrl->priv;
 678         u32 value, mask;
 679
 680         /* Pass changes onto any WM8775 */
 681         if (core->sd_wm8775) {
 682                 switch (ctrl->id) {
 683                 case V4L2_CID_AUDIO_MUTE:
 684                         wm8775_s_ctrl(core, ctrl->id, ctrl->val);
 685                         break;
 686                 case V4L2_CID_AUDIO_VOLUME:
 687                         wm8775_s_ctrl(core, ctrl->id, (ctrl->val) ?
 688                                                 (0x90 + ctrl->val) << 8 : 0);
 689                         break;
 690                 case V4L2_CID_AUDIO_BALANCE:
 691                         wm8775_s_ctrl(core, ctrl->id, ctrl->val << 9);
 692                         break;
 693                 default:
 694                         break;
 695                 }
 696         }
 697
 698         mask = cc->mask;
 699         switch (ctrl->id) {
 700         case V4L2_CID_AUDIO_BALANCE:
 701                 value = (ctrl->val < 0x40) ?
 702                         (0x7f - ctrl->val) : (ctrl->val - 0x40);
 703                 break;
 704         case V4L2_CID_AUDIO_VOLUME:
 705                 value = 0x3f - (ctrl->val & 0x3f);
 706                 break;
 707         default:
 708                 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 709                 break;
 710         }
 711         dprintk(1,
 712                 "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 713                 ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
 714                 mask, cc->sreg ? " [shadowed]" : "");
 715         if (cc->sreg)
 716                 cx_sandor(cc->sreg, cc->reg, mask, value);
 717         else
 718                 cx_andor(cc->reg, mask, value);
 719         return 0;
 720 }
 721
 722 /* ------------------------------------------------------------------ */
 723 /* VIDEO IOCTLS                                                       */
 724
 725 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
 726                                 struct v4l2_format *f)
 727 {
 728         struct cx8800_dev *dev = video_drvdata(file);
 729         struct cx88_core *core = dev->core;
 730
 731         f->fmt.pix.width        = core->width;
 732         f->fmt.pix.height       = core->height;
 733         f->fmt.pix.field        = core->field;
 734         f->fmt.pix.pixelformat  = dev->fmt->fourcc;
 735         f->fmt.pix.bytesperline =
 736                 (f->fmt.pix.width * dev->fmt->depth) >> 3;
 737         f->fmt.pix.sizeimage =
 738                 f->fmt.pix.height * f->fmt.pix.bytesperline;
 739         f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
 740         return 0;
 741 }
 742
 743 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 744                                   struct v4l2_format *f)
 745 {
 746         struct cx8800_dev *dev = video_drvdata(file);
 747         struct cx88_core *core = dev->core;
 748         const struct cx8800_fmt *fmt;
 749         enum v4l2_field   field;
 750         unsigned int      maxw, maxh;
 751
 752         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
 753         if (!fmt)
 754                 return -EINVAL;
 755
 756         maxw = norm_maxw(core->tvnorm);
 757         maxh = norm_maxh(core->tvnorm);
 758
 759         field = f->fmt.pix.field;
 760
 761         switch (field) {
 762         case V4L2_FIELD_TOP:
 763         case V4L2_FIELD_BOTTOM:
 764         case V4L2_FIELD_INTERLACED:
 765         case V4L2_FIELD_SEQ_BT:
 766         case V4L2_FIELD_SEQ_TB:
 767                 break;
 768         default:
 769                 field = (f->fmt.pix.height > maxh / 2)
 770                         ? V4L2_FIELD_INTERLACED
 771                         : V4L2_FIELD_BOTTOM;
 772                 break;
 773         }
 774         if (V4L2_FIELD_HAS_T_OR_B(field))
 775                 maxh /= 2;
 776
 777         v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
 778                               &f->fmt.pix.height, 32, maxh, 0, 0);
 779         f->fmt.pix.field = field;
 780         f->fmt.pix.bytesperline =
 781                 (f->fmt.pix.width * fmt->depth) >> 3;
 782         f->fmt.pix.sizeimage =
 783                 f->fmt.pix.height * f->fmt.pix.bytesperline;
 784         f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
 785
 786         return 0;
 787 }
 788
 789 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 790                                 struct v4l2_format *f)
 791 {
 792         struct cx8800_dev *dev = video_drvdata(file);
 793         struct cx88_core *core = dev->core;
 794         int err = vidioc_try_fmt_vid_cap(file, priv, f);
 795
 796         if (err != 0)
 797                 return err;
 798         if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq))
 799                 return -EBUSY;
 800         if (core->dvbdev && vb2_is_busy(&core->dvbdev->vb2_mpegq))
 801                 return -EBUSY;
 802         dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
 803         core->width = f->fmt.pix.width;
 804         core->height = f->fmt.pix.height;
 805         core->field = f->fmt.pix.field;
 806         return 0;
 807 }
 808
 809 void cx88_querycap(struct file *file, struct cx88_core *core,
 810                    struct v4l2_capability *cap)
 811 {
 812         struct video_device *vdev = video_devdata(file);
 813
 814         strlcpy(cap->card, core->board.name, sizeof(cap->card));
 815         cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
 816         if (core->board.tuner_type != UNSET)
 817                 cap->device_caps |= V4L2_CAP_TUNER;
 818         switch (vdev->vfl_type) {
 819         case VFL_TYPE_RADIO:
 820                 cap->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
 821                 break;
 822         case VFL_TYPE_GRABBER:
 823                 cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
 824                 break;
 825         case VFL_TYPE_VBI:
 826                 cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
 827                 break;
 828         }
 829         cap->capabilities = cap->device_caps | V4L2_CAP_VIDEO_CAPTURE |
 830                 V4L2_CAP_VBI_CAPTURE | V4L2_CAP_DEVICE_CAPS;
 831         if (core->board.radio.type == CX88_RADIO)
 832                 cap->capabilities |= V4L2_CAP_RADIO;
 833 }
 834 EXPORT_SYMBOL(cx88_querycap);
 835
 836 static int vidioc_querycap(struct file *file, void  *priv,
 837                            struct v4l2_capability *cap)
 838 {
 839         struct cx8800_dev *dev = video_drvdata(file);
 840         struct cx88_core *core = dev->core;
 841
 842         strcpy(cap->driver, "cx8800");
 843         sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
 844         cx88_querycap(file, core, cap);
 845         return 0;
 846 }
 847
 848 static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
 849                                    struct v4l2_fmtdesc *f)
 850 {
 851         if (unlikely(f->index >= ARRAY_SIZE(formats)))
 852                 return -EINVAL;
 853
 854         strlcpy(f->description, formats[f->index].name, sizeof(f->description));
 855         f->pixelformat = formats[f->index].fourcc;
 856
 857         return 0;
 858 }
 859
 860 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
 861 {
 862         struct cx8800_dev *dev = video_drvdata(file);
 863         struct cx88_core *core = dev->core;
 864
 865         *tvnorm = core->tvnorm;
 866         return 0;
 867 }
 868
 869 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
 870 {
 871         struct cx8800_dev *dev = video_drvdata(file);
 872         struct cx88_core *core = dev->core;
 873
 874         return cx88_set_tvnorm(core, tvnorms);
 875 }
 876
 877 /* only one input in this sample driver */
 878 int cx88_enum_input(struct cx88_core  *core, struct v4l2_input *i)
 879 {
 880         static const char * const iname[] = {
 881                 [CX88_VMUX_COMPOSITE1] = "Composite1",
 882                 [CX88_VMUX_COMPOSITE2] = "Composite2",
 883                 [CX88_VMUX_COMPOSITE3] = "Composite3",
 884                 [CX88_VMUX_COMPOSITE4] = "Composite4",
 885                 [CX88_VMUX_SVIDEO] = "S-Video",
 886                 [CX88_VMUX_TELEVISION] = "Television",
 887                 [CX88_VMUX_CABLE] = "Cable TV",
 888                 [CX88_VMUX_DVB] = "DVB",
 889                 [CX88_VMUX_DEBUG] = "for debug only",
 890         };
 891         unsigned int n = i->index;
 892
 893         if (n >= 4)
 894                 return -EINVAL;
 895         if (!INPUT(n).type)
 896                 return -EINVAL;
 897         i->type  = V4L2_INPUT_TYPE_CAMERA;
 898         strcpy(i->name, iname[INPUT(n).type]);
 899         if ((INPUT(n).type == CX88_VMUX_TELEVISION) ||
 900             (INPUT(n).type == CX88_VMUX_CABLE))
 901                 i->type = V4L2_INPUT_TYPE_TUNER;
 902
 903         i->std = CX88_NORMS;
 904         return 0;
 905 }
 906 EXPORT_SYMBOL(cx88_enum_input);
 907
 908 static int vidioc_enum_input(struct file *file, void *priv,
 909                              struct v4l2_input *i)
 910 {
 911         struct cx8800_dev *dev = video_drvdata(file);
 912         struct cx88_core *core = dev->core;
 913
 914         return cx88_enum_input(core, i);
 915 }
 916
 917 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
 918 {
 919         struct cx8800_dev *dev = video_drvdata(file);
 920         struct cx88_core *core = dev->core;
 921
 922         *i = core->input;
 923         return 0;
 924 }
 925
 926 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
 927 {
 928         struct cx8800_dev *dev = video_drvdata(file);
 929         struct cx88_core *core = dev->core;
 930
 931         if (i >= 4)
 932                 return -EINVAL;
 933         if (!INPUT(i).type)
 934                 return -EINVAL;
 935
 936         cx88_newstation(core);
 937         cx88_video_mux(core, i);
 938         return 0;
 939 }
 940
 941 static int vidioc_g_tuner(struct file *file, void *priv,
 942                           struct v4l2_tuner *t)
 943 {
 944         struct cx8800_dev *dev = video_drvdata(file);
 945         struct cx88_core *core = dev->core;
 946         u32 reg;
 947
 948         if (unlikely(core->board.tuner_type == UNSET))
 949                 return -EINVAL;
 950         if (t->index != 0)
 951                 return -EINVAL;
 952
 953         strcpy(t->name, "Television");
 954         t->capability = V4L2_TUNER_CAP_NORM;
 955         t->rangehigh  = 0xffffffffUL;
 956         call_all(core, tuner, g_tuner, t);
 957
 958         cx88_get_stereo(core, t);
 959         reg = cx_read(MO_DEVICE_STATUS);
 960         t->signal = (reg & (1 << 5)) ? 0xffff : 0x0000;
 961         return 0;
 962 }
 963
 964 static int vidioc_s_tuner(struct file *file, void *priv,
 965                           const struct v4l2_tuner *t)
 966 {
 967         struct cx8800_dev *dev = video_drvdata(file);
 968         struct cx88_core *core = dev->core;
 969
 970         if (core->board.tuner_type == UNSET)
 971                 return -EINVAL;
 972         if (t->index != 0)
 973                 return -EINVAL;
 974
 975         cx88_set_stereo(core, t->audmode, 1);
 976         return 0;
 977 }
 978
 979 static int vidioc_g_frequency(struct file *file, void *priv,
 980                               struct v4l2_frequency *f)
 981 {
 982         struct cx8800_dev *dev = video_drvdata(file);
 983         struct cx88_core *core = dev->core;
 984
 985         if (unlikely(core->board.tuner_type == UNSET))
 986                 return -EINVAL;
 987         if (f->tuner)
 988                 return -EINVAL;
 989
 990         f->frequency = core->freq;
 991
 992         call_all(core, tuner, g_frequency, f);
 993
 994         return 0;
 995 }
 996
 997 int cx88_set_freq(struct cx88_core  *core,
 998                   const struct v4l2_frequency *f)
 999 {
1000         struct v4l2_frequency new_freq = *f;
1001
1002         if (unlikely(core->board.tuner_type == UNSET))
1003                 return -EINVAL;
1004         if (unlikely(f->tuner != 0))
1005                 return -EINVAL;
1006
1007         cx88_newstation(core);
1008         call_all(core, tuner, s_frequency, f);
1009         call_all(core, tuner, g_frequency, &new_freq);
1010         core->freq = new_freq.frequency;
1011
1012         /* When changing channels it is required to reset TVAUDIO */
1013         usleep_range(10000, 20000);
1014         cx88_set_tvaudio(core);
1015
1016         return 0;
1017 }
1018 EXPORT_SYMBOL(cx88_set_freq);
1019
1020 static int vidioc_s_frequency(struct file *file, void *priv,
1021                               const struct v4l2_frequency *f)
1022 {
1023         struct cx8800_dev *dev = video_drvdata(file);
1024         struct cx88_core *core = dev->core;
1025
1026         return cx88_set_freq(core, f);
1027 }
1028
1029 #ifdef CONFIG_VIDEO_ADV_DEBUG
1030 static int vidioc_g_register(struct file *file, void *fh,
1031                              struct v4l2_dbg_register *reg)
1032 {
1033         struct cx8800_dev *dev = video_drvdata(file);
1034         struct cx88_core *core = dev->core;
1035
1036         /* cx2388x has a 24-bit register space */
1037         reg->val = cx_read(reg->reg & 0xfffffc);
1038         reg->size = 4;
1039         return 0;
1040 }
1041
1042 static int vidioc_s_register(struct file *file, void *fh,
1043                              const struct v4l2_dbg_register *reg)
1044 {
1045         struct cx8800_dev *dev = video_drvdata(file);
1046         struct cx88_core *core = dev->core;
1047
1048         cx_write(reg->reg & 0xfffffc, reg->val);
1049         return 0;
1050 }
1051 #endif
1052
1053 /* ----------------------------------------------------------- */
1054 /* RADIO ESPECIFIC IOCTLS                                      */
1055 /* ----------------------------------------------------------- */
1056
1057 static int radio_g_tuner(struct file *file, void *priv,
1058                          struct v4l2_tuner *t)
1059 {
1060         struct cx8800_dev *dev = video_drvdata(file);
1061         struct cx88_core *core = dev->core;
1062
1063         if (unlikely(t->index > 0))
1064                 return -EINVAL;
1065
1066         strcpy(t->name, "Radio");
1067
1068         call_all(core, tuner, g_tuner, t);
1069         return 0;
1070 }
1071
1072 static int radio_s_tuner(struct file *file, void *priv,
1073                          const struct v4l2_tuner *t)
1074 {
1075         struct cx8800_dev *dev = video_drvdata(file);
1076         struct cx88_core *core = dev->core;
1077
1078         if (t->index != 0)
1079                 return -EINVAL;
1080
1081         call_all(core, tuner, s_tuner, t);
1082         return 0;
1083 }
1084
1085 /* ----------------------------------------------------------- */
1086
1087 static const char *cx88_vid_irqs[32] = {
1088         "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1089         "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1090         "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1091         "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1092         "opc_err",  "par_err",  "rip_err",  "pci_abort",
1093 };
1094
1095 static void cx8800_vid_irq(struct cx8800_dev *dev)
1096 {
1097         struct cx88_core *core = dev->core;
1098         u32 status, mask, count;
1099
1100         status = cx_read(MO_VID_INTSTAT);
1101         mask   = cx_read(MO_VID_INTMSK);
1102         if (0 == (status & mask))
1103                 return;
1104         cx_write(MO_VID_INTSTAT, status);
1105         if (irq_debug  ||  (status & mask & ~0xff))
1106                 cx88_print_irqbits("irq vid",
1107                                    cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1108                                    status, mask);
1109
1110         /* risc op code error */
1111         if (status & (1 << 16)) {
1112                 pr_warn("video risc op code error\n");
1113                 cx_clear(MO_VID_DMACNTRL, 0x11);
1114                 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1115                 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1116         }
1117
1118         /* risc1 y */
1119         if (status & 0x01) {
1120                 spin_lock(&dev->slock);
1121                 count = cx_read(MO_VIDY_GPCNT);
1122                 cx88_wakeup(core, &dev->vidq, count);
1123                 spin_unlock(&dev->slock);
1124         }
1125
1126         /* risc1 vbi */
1127         if (status & 0x08) {
1128                 spin_lock(&dev->slock);
1129                 count = cx_read(MO_VBI_GPCNT);
1130                 cx88_wakeup(core, &dev->vbiq, count);
1131                 spin_unlock(&dev->slock);
1132         }
1133 }
1134
1135 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1136 {
1137         struct cx8800_dev *dev = dev_id;
1138         struct cx88_core *core = dev->core;
1139         u32 status;
1140         int loop, handled = 0;
1141
1142         for (loop = 0; loop < 10; loop++) {
1143                 status = cx_read(MO_PCI_INTSTAT) &
1144                         (core->pci_irqmask | PCI_INT_VIDINT);
1145                 if (status == 0)
1146                         goto out;
1147                 cx_write(MO_PCI_INTSTAT, status);
1148                 handled = 1;
1149
1150                 if (status & core->pci_irqmask)
1151                         cx88_core_irq(core, status);
1152                 if (status & PCI_INT_VIDINT)
1153                         cx8800_vid_irq(dev);
1154         }
1155         if (loop == 10) {
1156                 pr_warn("irq loop -- clearing mask\n");
1157                 cx_write(MO_PCI_INTMSK, 0);
1158         }
1159
1160  out:
1161         return IRQ_RETVAL(handled);
1162 }
1163
1164 /* ----------------------------------------------------------- */
1165 /* exported stuff                                              */
1166
1167 static const struct v4l2_file_operations video_fops = {
1168         .owner         = THIS_MODULE,
1169         .open          = v4l2_fh_open,
1170         .release       = vb2_fop_release,
1171         .read          = vb2_fop_read,
1172         .poll          = vb2_fop_poll,
1173         .mmap          = vb2_fop_mmap,
1174         .unlocked_ioctl = video_ioctl2,
1175 };
1176
1177 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1178         .vidioc_querycap      = vidioc_querycap,
1179         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1180         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1181         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1182         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1183         .vidioc_reqbufs       = vb2_ioctl_reqbufs,
1184         .vidioc_querybuf      = vb2_ioctl_querybuf,
1185         .vidioc_qbuf          = vb2_ioctl_qbuf,
1186         .vidioc_dqbuf         = vb2_ioctl_dqbuf,
1187         .vidioc_g_std         = vidioc_g_std,
1188         .vidioc_s_std         = vidioc_s_std,
1189         .vidioc_enum_input    = vidioc_enum_input,
1190         .vidioc_g_input       = vidioc_g_input,
1191         .vidioc_s_input       = vidioc_s_input,
1192         .vidioc_streamon      = vb2_ioctl_streamon,
1193         .vidioc_streamoff     = vb2_ioctl_streamoff,
1194         .vidioc_g_tuner       = vidioc_g_tuner,
1195         .vidioc_s_tuner       = vidioc_s_tuner,
1196         .vidioc_g_frequency   = vidioc_g_frequency,
1197         .vidioc_s_frequency   = vidioc_s_frequency,
1198         .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1199         .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1200 #ifdef CONFIG_VIDEO_ADV_DEBUG
1201         .vidioc_g_register    = vidioc_g_register,
1202         .vidioc_s_register    = vidioc_s_register,
1203 #endif
1204 };
1205
1206 static const struct video_device cx8800_video_template = {
1207         .name                 = "cx8800-video",
1208         .fops                 = &video_fops,
1209         .ioctl_ops            = &video_ioctl_ops,
1210         .tvnorms              = CX88_NORMS,
1211 };
1212
1213 static const struct v4l2_ioctl_ops vbi_ioctl_ops = {
1214         .vidioc_querycap      = vidioc_querycap,
1215         .vidioc_g_fmt_vbi_cap     = cx8800_vbi_fmt,
1216         .vidioc_try_fmt_vbi_cap   = cx8800_vbi_fmt,
1217         .vidioc_s_fmt_vbi_cap     = cx8800_vbi_fmt,
1218         .vidioc_reqbufs       = vb2_ioctl_reqbufs,
1219         .vidioc_querybuf      = vb2_ioctl_querybuf,
1220         .vidioc_qbuf          = vb2_ioctl_qbuf,
1221         .vidioc_dqbuf         = vb2_ioctl_dqbuf,
1222         .vidioc_g_std         = vidioc_g_std,
1223         .vidioc_s_std         = vidioc_s_std,
1224         .vidioc_enum_input    = vidioc_enum_input,
1225         .vidioc_g_input       = vidioc_g_input,
1226         .vidioc_s_input       = vidioc_s_input,
1227         .vidioc_streamon      = vb2_ioctl_streamon,
1228         .vidioc_streamoff     = vb2_ioctl_streamoff,
1229         .vidioc_g_tuner       = vidioc_g_tuner,
1230         .vidioc_s_tuner       = vidioc_s_tuner,
1231         .vidioc_g_frequency   = vidioc_g_frequency,
1232         .vidioc_s_frequency   = vidioc_s_frequency,
1233 #ifdef CONFIG_VIDEO_ADV_DEBUG
1234         .vidioc_g_register    = vidioc_g_register,
1235         .vidioc_s_register    = vidioc_s_register,
1236 #endif
1237 };
1238
1239 static const struct video_device cx8800_vbi_template = {
1240         .name                 = "cx8800-vbi",
1241         .fops                 = &video_fops,
1242         .ioctl_ops            = &vbi_ioctl_ops,
1243         .tvnorms              = CX88_NORMS,
1244 };
1245
1246 static const struct v4l2_file_operations radio_fops = {
1247         .owner         = THIS_MODULE,
1248         .open          = radio_open,
1249         .poll          = v4l2_ctrl_poll,
1250         .release       = v4l2_fh_release,
1251         .unlocked_ioctl = video_ioctl2,
1252 };
1253
1254 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1255         .vidioc_querycap      = vidioc_querycap,
1256         .vidioc_g_tuner       = radio_g_tuner,
1257         .vidioc_s_tuner       = radio_s_tuner,
1258         .vidioc_g_frequency   = vidioc_g_frequency,
1259         .vidioc_s_frequency   = vidioc_s_frequency,
1260         .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1261         .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1262 #ifdef CONFIG_VIDEO_ADV_DEBUG
1263         .vidioc_g_register    = vidioc_g_register,
1264         .vidioc_s_register    = vidioc_s_register,
1265 #endif
1266 };
1267
1268 static const struct video_device cx8800_radio_template = {
1269         .name                 = "cx8800-radio",
1270         .fops                 = &radio_fops,
1271         .ioctl_ops            = &radio_ioctl_ops,
1272 };
1273
1274 static const struct v4l2_ctrl_ops cx8800_ctrl_vid_ops = {
1275         .s_ctrl = cx8800_s_vid_ctrl,
1276 };
1277
1278 static const struct v4l2_ctrl_ops cx8800_ctrl_aud_ops = {
1279         .s_ctrl = cx8800_s_aud_ctrl,
1280 };
1281
1282 /* ----------------------------------------------------------- */
1283
1284 static void cx8800_unregister_video(struct cx8800_dev *dev)
1285 {
1286         video_unregister_device(&dev->radio_dev);
1287         video_unregister_device(&dev->vbi_dev);
1288         video_unregister_device(&dev->video_dev);
1289 }
1290
1291 static int cx8800_initdev(struct pci_dev *pci_dev,
1292                           const struct pci_device_id *pci_id)
1293 {
1294         struct cx8800_dev *dev;
1295         struct cx88_core *core;
1296         struct vb2_queue *q;
1297         int err;
1298         int i;
1299
1300         dev = kzalloc(sizeof(*dev), GFP_KERNEL);
1301         if (!dev)
1302                 return -ENOMEM;
1303
1304         /* pci init */
1305         dev->pci = pci_dev;
1306         if (pci_enable_device(pci_dev)) {
1307                 err = -EIO;
1308                 goto fail_free;
1309         }
1310         core = cx88_core_get(dev->pci);
1311         if (!core) {
1312                 err = -EINVAL;
1313                 goto fail_disable;
1314         }
1315         dev->core = core;
1316
1317         /* print pci info */
1318         dev->pci_rev = pci_dev->revision;
1319         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1320         pr_info("found at %s, rev: %d, irq: %d, latency: %d, mmio: 0x%llx\n",
1321                 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1322                 dev->pci_lat,
1323                 (unsigned long long)pci_resource_start(pci_dev, 0));
1324
1325         pci_set_master(pci_dev);
1326         err = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32));
1327         if (err) {
1328                 pr_err("Oops: no 32bit PCI DMA ???\n");
1329                 goto fail_core;
1330         }
1331
1332         /* initialize driver struct */
1333         spin_lock_init(&dev->slock);
1334
1335         /* init video dma queues */
1336         INIT_LIST_HEAD(&dev->vidq.active);
1337
1338         /* init vbi dma queues */
1339         INIT_LIST_HEAD(&dev->vbiq.active);
1340
1341         /* get irq */
1342         err = request_irq(pci_dev->irq, cx8800_irq,
1343                           IRQF_SHARED, core->name, dev);
1344         if (err < 0) {
1345                 pr_err("can't get IRQ %d\n", pci_dev->irq);
1346                 goto fail_core;
1347         }
1348         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1349
1350         for (i = 0; i < CX8800_AUD_CTLS; i++) {
1351                 const struct cx88_ctrl *cc = &cx8800_aud_ctls[i];
1352                 struct v4l2_ctrl *vc;
1353
1354                 vc = v4l2_ctrl_new_std(&core->audio_hdl, &cx8800_ctrl_aud_ops,
1355                                        cc->id, cc->minimum, cc->maximum,
1356                                        cc->step, cc->default_value);
1357                 if (!vc) {
1358                         err = core->audio_hdl.error;
1359                         goto fail_irq;
1360                 }
1361                 vc->priv = (void *)cc;
1362         }
1363
1364         for (i = 0; i < CX8800_VID_CTLS; i++) {
1365                 const struct cx88_ctrl *cc = &cx8800_vid_ctls[i];
1366                 struct v4l2_ctrl *vc;
1367
1368                 vc = v4l2_ctrl_new_std(&core->video_hdl, &cx8800_ctrl_vid_ops,
1369                                        cc->id, cc->minimum, cc->maximum,
1370                                        cc->step, cc->default_value);
1371                 if (!vc) {
1372                         err = core->video_hdl.error;
1373                         goto fail_irq;
1374                 }
1375                 vc->priv = (void *)cc;
1376                 if (vc->id == V4L2_CID_CHROMA_AGC)
1377                         core->chroma_agc = vc;
1378         }
1379         v4l2_ctrl_add_handler(&core->video_hdl, &core->audio_hdl, NULL);
1380
1381         /* load and configure helper modules */
1382
1383         if (core->board.audio_chip == CX88_AUDIO_WM8775) {
1384                 struct i2c_board_info wm8775_info = {
1385                         .type = "wm8775",
1386                         .addr = 0x36 >> 1,
1387                         .platform_data = &core->wm8775_data,
1388                 };
1389                 struct v4l2_subdev *sd;
1390
1391                 if (core->boardnr == CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1)
1392                         core->wm8775_data.is_nova_s = true;
1393                 else
1394                         core->wm8775_data.is_nova_s = false;
1395
1396                 sd = v4l2_i2c_new_subdev_board(&core->v4l2_dev, &core->i2c_adap,
1397                                                &wm8775_info, NULL);
1398                 if (sd) {
1399                         core->sd_wm8775 = sd;
1400                         sd->grp_id = WM8775_GID;
1401                 }
1402         }
1403
1404         if (core->board.audio_chip == CX88_AUDIO_TVAUDIO) {
1405                 /*
1406                  * This probes for a tda9874 as is used on some
1407                  * Pixelview Ultra boards.
1408                  */
1409                 v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1410                                     "tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
1411         }
1412
1413         switch (core->boardnr) {
1414         case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1415         case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1416                 static const struct i2c_board_info rtc_info = {
1417                         I2C_BOARD_INFO("isl1208", 0x6f)
1418                 };
1419
1420                 request_module("rtc-isl1208");
1421                 core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1422         }
1423                 /* fall-through */
1424         case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1425                 request_module("ir-kbd-i2c");
1426         }
1427
1428         /* Sets device info at pci_dev */
1429         pci_set_drvdata(pci_dev, dev);
1430
1431         dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1432
1433         /* Maintain a reference so cx88-blackbird can query the 8800 device. */
1434         core->v4ldev = dev;
1435
1436         /* initial device configuration */
1437         mutex_lock(&core->lock);
1438         cx88_set_tvnorm(core, V4L2_STD_NTSC_M);
1439         v4l2_ctrl_handler_setup(&core->video_hdl);
1440         v4l2_ctrl_handler_setup(&core->audio_hdl);
1441         cx88_video_mux(core, 0);
1442
1443         q = &dev->vb2_vidq;
1444         q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1445         q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1446         q->gfp_flags = GFP_DMA32;
1447         q->min_buffers_needed = 2;
1448         q->drv_priv = dev;
1449         q->buf_struct_size = sizeof(struct cx88_buffer);
1450         q->ops = &cx8800_video_qops;
1451         q->mem_ops = &vb2_dma_sg_memops;
1452         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1453         q->lock = &core->lock;
1454         q->dev = &dev->pci->dev;
1455
1456         err = vb2_queue_init(q);
1457         if (err < 0)
1458                 goto fail_unreg;
1459
1460         q = &dev->vb2_vbiq;
1461         q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1462         q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1463         q->gfp_flags = GFP_DMA32;
1464         q->min_buffers_needed = 2;
1465         q->drv_priv = dev;
1466         q->buf_struct_size = sizeof(struct cx88_buffer);
1467         q->ops = &cx8800_vbi_qops;
1468         q->mem_ops = &vb2_dma_sg_memops;
1469         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1470         q->lock = &core->lock;
1471         q->dev = &dev->pci->dev;
1472
1473         err = vb2_queue_init(q);
1474         if (err < 0)
1475                 goto fail_unreg;
1476
1477         /* register v4l devices */
1478         cx88_vdev_init(core, dev->pci, &dev->video_dev,
1479                        &cx8800_video_template, "video");
1480         video_set_drvdata(&dev->video_dev, dev);
1481         dev->video_dev.ctrl_handler = &core->video_hdl;
1482         dev->video_dev.queue = &dev->vb2_vidq;
1483         err = video_register_device(&dev->video_dev, VFL_TYPE_GRABBER,
1484                                     video_nr[core->nr]);
1485         if (err < 0) {
1486                 pr_err("can't register video device\n");
1487                 goto fail_unreg;
1488         }
1489         pr_info("registered device %s [v4l2]\n",
1490                 video_device_node_name(&dev->video_dev));
1491
1492         cx88_vdev_init(core, dev->pci, &dev->vbi_dev,
1493                        &cx8800_vbi_template, "vbi");
1494         video_set_drvdata(&dev->vbi_dev, dev);
1495         dev->vbi_dev.queue = &dev->vb2_vbiq;
1496         err = video_register_device(&dev->vbi_dev, VFL_TYPE_VBI,
1497                                     vbi_nr[core->nr]);
1498         if (err < 0) {
1499                 pr_err("can't register vbi device\n");
1500                 goto fail_unreg;
1501         }
1502         pr_info("registered device %s\n",
1503                 video_device_node_name(&dev->vbi_dev));
1504
1505         if (core->board.radio.type == CX88_RADIO) {
1506                 cx88_vdev_init(core, dev->pci, &dev->radio_dev,
1507                                &cx8800_radio_template, "radio");
1508                 video_set_drvdata(&dev->radio_dev, dev);
1509                 dev->radio_dev.ctrl_handler = &core->audio_hdl;
1510                 err = video_register_device(&dev->radio_dev, VFL_TYPE_RADIO,
1511                                             radio_nr[core->nr]);
1512                 if (err < 0) {
1513                         pr_err("can't register radio device\n");
1514                         goto fail_unreg;
1515                 }
1516                 pr_info("registered device %s\n",
1517                         video_device_node_name(&dev->radio_dev));
1518         }
1519
1520         /* start tvaudio thread */
1521         if (core->board.tuner_type != UNSET) {
1522                 core->kthread = kthread_run(cx88_audio_thread,
1523                                             core, "cx88 tvaudio");
1524                 if (IS_ERR(core->kthread)) {
1525                         err = PTR_ERR(core->kthread);
1526                         pr_err("failed to create cx88 audio thread, err=%d\n",
1527                                err);
1528                 }
1529         }
1530         mutex_unlock(&core->lock);
1531
1532         return 0;
1533
1534 fail_unreg:
1535         cx8800_unregister_video(dev);
1536         mutex_unlock(&core->lock);
1537 fail_irq:
1538         free_irq(pci_dev->irq, dev);
1539 fail_core:
1540         core->v4ldev = NULL;
1541         cx88_core_put(core, dev->pci);
1542 fail_disable:
1543         pci_disable_device(pci_dev);
1544 fail_free:
1545         kfree(dev);
1546         return err;
1547 }
1548
1549 static void cx8800_finidev(struct pci_dev *pci_dev)
1550 {
1551         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1552         struct cx88_core *core = dev->core;
1553
1554         /* stop thread */
1555         if (core->kthread) {
1556                 kthread_stop(core->kthread);
1557                 core->kthread = NULL;
1558         }
1559
1560         if (core->ir)
1561                 cx88_ir_stop(core);
1562
1563         cx88_shutdown(core); /* FIXME */
1564
1565         /* unregister stuff */
1566
1567         free_irq(pci_dev->irq, dev);
1568         cx8800_unregister_video(dev);
1569         pci_disable_device(pci_dev);
1570
1571         core->v4ldev = NULL;
1572
1573         /* free memory */
1574         cx88_core_put(core, dev->pci);
1575         kfree(dev);
1576 }
1577
1578 #ifdef CONFIG_PM
1579 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1580 {
1581         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1582         struct cx88_core *core = dev->core;
1583         unsigned long flags;
1584
1585         /* stop video+vbi capture */
1586         spin_lock_irqsave(&dev->slock, flags);
1587         if (!list_empty(&dev->vidq.active)) {
1588                 pr_info("suspend video\n");
1589                 stop_video_dma(dev);
1590         }
1591         if (!list_empty(&dev->vbiq.active)) {
1592                 pr_info("suspend vbi\n");
1593                 cx8800_stop_vbi_dma(dev);
1594         }
1595         spin_unlock_irqrestore(&dev->slock, flags);
1596
1597         if (core->ir)
1598                 cx88_ir_stop(core);
1599         /* FIXME -- shutdown device */
1600         cx88_shutdown(core);
1601
1602         pci_save_state(pci_dev);
1603         if (pci_set_power_state(pci_dev,
1604                                 pci_choose_state(pci_dev, state)) != 0) {
1605                 pci_disable_device(pci_dev);
1606                 dev->state.disabled = 1;
1607         }
1608         return 0;
1609 }
1610
1611 static int cx8800_resume(struct pci_dev *pci_dev)
1612 {
1613         struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1614         struct cx88_core *core = dev->core;
1615         unsigned long flags;
1616         int err;
1617
1618         if (dev->state.disabled) {
1619                 err = pci_enable_device(pci_dev);
1620                 if (err) {
1621                         pr_err("can't enable device\n");
1622                         return err;
1623                 }
1624
1625                 dev->state.disabled = 0;
1626         }
1627         err = pci_set_power_state(pci_dev, PCI_D0);
1628         if (err) {
1629                 pr_err("can't set power state\n");
1630                 pci_disable_device(pci_dev);
1631                 dev->state.disabled = 1;
1632
1633                 return err;
1634         }
1635         pci_restore_state(pci_dev);
1636
1637         /* FIXME: re-initialize hardware */
1638         cx88_reset(core);
1639         if (core->ir)
1640                 cx88_ir_start(core);
1641
1642         cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1643
1644         /* restart video+vbi capture */
1645         spin_lock_irqsave(&dev->slock, flags);
1646         if (!list_empty(&dev->vidq.active)) {
1647                 pr_info("resume video\n");
1648                 restart_video_queue(dev, &dev->vidq);
1649         }
1650         if (!list_empty(&dev->vbiq.active)) {
1651                 pr_info("resume vbi\n");
1652                 cx8800_restart_vbi_queue(dev, &dev->vbiq);
1653         }
1654         spin_unlock_irqrestore(&dev->slock, flags);
1655
1656         return 0;
1657 }
1658 #endif
1659
1660 /* ----------------------------------------------------------- */
1661
1662 static const struct pci_device_id cx8800_pci_tbl[] = {
1663         {
1664                 .vendor       = 0x14f1,
1665                 .device       = 0x8800,
1666                 .subvendor    = PCI_ANY_ID,
1667                 .subdevice    = PCI_ANY_ID,
1668         }, {
1669                 /* --- end of list --- */
1670         }
1671 };
1672 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
1673
1674 static struct pci_driver cx8800_pci_driver = {
1675         .name     = "cx8800",
1676         .id_table = cx8800_pci_tbl,
1677         .probe    = cx8800_initdev,
1678         .remove   = cx8800_finidev,
1679 #ifdef CONFIG_PM
1680         .suspend  = cx8800_suspend,
1681         .resume   = cx8800_resume,
1682 #endif
1683 };
1684
1685 module_pci_driver(cx8800_pci_driver);