linux/drivers/media/pci/cx88/cx88-video.c
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   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 *
   4 * device driver for Conexant 2388x based TV cards
   5 * video4linux video interface
   6 *
   7 * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
   8 *
   9 * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@kernel.org>
  10 *      - Multituner support
  11 *      - video_ioctl2 conversion
  12 *      - PAL/M fixes
  13 */
  14
  15#include "cx88.h"
  16
  17#include <linux/init.h>
  18#include <linux/list.h>
  19#include <linux/module.h>
  20#include <linux/kmod.h>
  21#include <linux/kernel.h>
  22#include <linux/slab.h>
  23#include <linux/interrupt.h>
  24#include <linux/dma-mapping.h>
  25#include <linux/delay.h>
  26#include <linux/kthread.h>
  27#include <asm/div64.h>
  28
  29#include <media/v4l2-common.h>
  30#include <media/v4l2-ioctl.h>
  31#include <media/v4l2-event.h>
  32#include <media/i2c/wm8775.h>
  33
  34MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
  35MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  36MODULE_LICENSE("GPL v2");
  37MODULE_VERSION(CX88_VERSION);
  38
  39/* ------------------------------------------------------------------ */
  40
  41static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  42static unsigned int vbi_nr[]   = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  43static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
  44
  45module_param_array(video_nr, int, NULL, 0444);
  46module_param_array(vbi_nr,   int, NULL, 0444);
  47module_param_array(radio_nr, int, NULL, 0444);
  48
  49MODULE_PARM_DESC(video_nr, "video device numbers");
  50MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
  51MODULE_PARM_DESC(radio_nr, "radio device numbers");
  52
  53static unsigned int video_debug;
  54module_param(video_debug, int, 0644);
  55MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
  56
  57static unsigned int irq_debug;
  58module_param(irq_debug, int, 0644);
  59MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]");
  60
  61#define dprintk(level, fmt, arg...) do {                        \
  62        if (video_debug >= level)                               \
  63                printk(KERN_DEBUG pr_fmt("%s: video:" fmt),     \
  64                        __func__, ##arg);                       \
  65} while (0)
  66
  67/* ------------------------------------------------------------------- */
  68/* static data                                                         */
  69
  70static const struct cx8800_fmt formats[] = {
  71        {
  72                .fourcc   = V4L2_PIX_FMT_GREY,
  73                .cxformat = ColorFormatY8,
  74                .depth    = 8,
  75                .flags    = FORMAT_FLAGS_PACKED,
  76        }, {
  77                .fourcc   = V4L2_PIX_FMT_RGB555,
  78                .cxformat = ColorFormatRGB15,
  79                .depth    = 16,
  80                .flags    = FORMAT_FLAGS_PACKED,
  81        }, {
  82                .fourcc   = V4L2_PIX_FMT_RGB555X,
  83                .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
  84                .depth    = 16,
  85                .flags    = FORMAT_FLAGS_PACKED,
  86        }, {
  87                .fourcc   = V4L2_PIX_FMT_RGB565,
  88                .cxformat = ColorFormatRGB16,
  89                .depth    = 16,
  90                .flags    = FORMAT_FLAGS_PACKED,
  91        }, {
  92                .fourcc   = V4L2_PIX_FMT_RGB565X,
  93                .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
  94                .depth    = 16,
  95                .flags    = FORMAT_FLAGS_PACKED,
  96        }, {
  97                .fourcc   = V4L2_PIX_FMT_BGR24,
  98                .cxformat = ColorFormatRGB24,
  99                .depth    = 24,
 100                .flags    = FORMAT_FLAGS_PACKED,
 101        }, {
 102                .fourcc   = V4L2_PIX_FMT_BGR32,
 103                .cxformat = ColorFormatRGB32,
 104                .depth    = 32,
 105                .flags    = FORMAT_FLAGS_PACKED,
 106        }, {
 107                .fourcc   = V4L2_PIX_FMT_RGB32,
 108                .cxformat = ColorFormatRGB32 | ColorFormatBSWAP |
 109                            ColorFormatWSWAP,
 110                .depth    = 32,
 111                .flags    = FORMAT_FLAGS_PACKED,
 112        }, {
 113                .fourcc   = V4L2_PIX_FMT_YUYV,
 114                .cxformat = ColorFormatYUY2,
 115                .depth    = 16,
 116                .flags    = FORMAT_FLAGS_PACKED,
 117        }, {
 118                .fourcc   = V4L2_PIX_FMT_UYVY,
 119                .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
 120                .depth    = 16,
 121                .flags    = FORMAT_FLAGS_PACKED,
 122        },
 123};
 124
 125static const struct cx8800_fmt *format_by_fourcc(unsigned int fourcc)
 126{
 127        unsigned int i;
 128
 129        for (i = 0; i < ARRAY_SIZE(formats); i++)
 130                if (formats[i].fourcc == fourcc)
 131                        return formats + i;
 132        return NULL;
 133}
 134
 135/* ------------------------------------------------------------------- */
 136
 137struct cx88_ctrl {
 138        /* control information */
 139        u32 id;
 140        s32 minimum;
 141        s32 maximum;
 142        u32 step;
 143        s32 default_value;
 144
 145        /* control register information */
 146        u32 off;
 147        u32 reg;
 148        u32 sreg;
 149        u32 mask;
 150        u32 shift;
 151};
 152
 153static const struct cx88_ctrl cx8800_vid_ctls[] = {
 154        /* --- video --- */
 155        {
 156                .id            = V4L2_CID_BRIGHTNESS,
 157                .minimum       = 0x00,
 158                .maximum       = 0xff,
 159                .step          = 1,
 160                .default_value = 0x7f,
 161                .off           = 128,
 162                .reg           = MO_CONTR_BRIGHT,
 163                .mask          = 0x00ff,
 164                .shift         = 0,
 165        }, {
 166                .id            = V4L2_CID_CONTRAST,
 167                .minimum       = 0,
 168                .maximum       = 0xff,
 169                .step          = 1,
 170                .default_value = 0x3f,
 171                .off           = 0,
 172                .reg           = MO_CONTR_BRIGHT,
 173                .mask          = 0xff00,
 174                .shift         = 8,
 175        }, {
 176                .id            = V4L2_CID_HUE,
 177                .minimum       = 0,
 178                .maximum       = 0xff,
 179                .step          = 1,
 180                .default_value = 0x7f,
 181                .off           = 128,
 182                .reg           = MO_HUE,
 183                .mask          = 0x00ff,
 184                .shift         = 0,
 185        }, {
 186                /* strictly, this only describes only U saturation.
 187                 * V saturation is handled specially through code.
 188                 */
 189                .id            = V4L2_CID_SATURATION,
 190                .minimum       = 0,
 191                .maximum       = 0xff,
 192                .step          = 1,
 193                .default_value = 0x7f,
 194                .off           = 0,
 195                .reg           = MO_UV_SATURATION,
 196                .mask          = 0x00ff,
 197                .shift         = 0,
 198        }, {
 199                .id            = V4L2_CID_SHARPNESS,
 200                .minimum       = 0,
 201                .maximum       = 4,
 202                .step          = 1,
 203                .default_value = 0x0,
 204                .off           = 0,
 205                /*
 206                 * NOTE: the value is converted and written to both even
 207                 * and odd registers in the code
 208                 */
 209                .reg           = MO_FILTER_ODD,
 210                .mask          = 7 << 7,
 211                .shift         = 7,
 212        }, {
 213                .id            = V4L2_CID_CHROMA_AGC,
 214                .minimum       = 0,
 215                .maximum       = 1,
 216                .default_value = 0x1,
 217                .reg           = MO_INPUT_FORMAT,
 218                .mask          = 1 << 10,
 219                .shift         = 10,
 220        }, {
 221                .id            = V4L2_CID_COLOR_KILLER,
 222                .minimum       = 0,
 223                .maximum       = 1,
 224                .default_value = 0x1,
 225                .reg           = MO_INPUT_FORMAT,
 226                .mask          = 1 << 9,
 227                .shift         = 9,
 228        }, {
 229                .id            = V4L2_CID_BAND_STOP_FILTER,
 230                .minimum       = 0,
 231                .maximum       = 1,
 232                .step          = 1,
 233                .default_value = 0x0,
 234                .off           = 0,
 235                .reg           = MO_HTOTAL,
 236                .mask          = 3 << 11,
 237                .shift         = 11,
 238        }
 239};
 240
 241static const struct cx88_ctrl cx8800_aud_ctls[] = {
 242        {
 243                /* --- audio --- */
 244                .id            = V4L2_CID_AUDIO_MUTE,
 245                .minimum       = 0,
 246                .maximum       = 1,
 247                .default_value = 1,
 248                .reg           = AUD_VOL_CTL,
 249                .sreg          = SHADOW_AUD_VOL_CTL,
 250                .mask          = (1 << 6),
 251                .shift         = 6,
 252        }, {
 253                .id            = V4L2_CID_AUDIO_VOLUME,
 254                .minimum       = 0,
 255                .maximum       = 0x3f,
 256                .step          = 1,
 257                .default_value = 0x3f,
 258                .reg           = AUD_VOL_CTL,
 259                .sreg          = SHADOW_AUD_VOL_CTL,
 260                .mask          = 0x3f,
 261                .shift         = 0,
 262        }, {
 263                .id            = V4L2_CID_AUDIO_BALANCE,
 264                .minimum       = 0,
 265                .maximum       = 0x7f,
 266                .step          = 1,
 267                .default_value = 0x40,
 268                .reg           = AUD_BAL_CTL,
 269                .sreg          = SHADOW_AUD_BAL_CTL,
 270                .mask          = 0x7f,
 271                .shift         = 0,
 272        }
 273};
 274
 275enum {
 276        CX8800_VID_CTLS = ARRAY_SIZE(cx8800_vid_ctls),
 277        CX8800_AUD_CTLS = ARRAY_SIZE(cx8800_aud_ctls),
 278};
 279
 280/* ------------------------------------------------------------------ */
 281
 282int cx88_video_mux(struct cx88_core *core, unsigned int input)
 283{
 284        /* struct cx88_core *core = dev->core; */
 285
 286        dprintk(1, "video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
 287                input, INPUT(input).vmux,
 288                INPUT(input).gpio0, INPUT(input).gpio1,
 289                INPUT(input).gpio2, INPUT(input).gpio3);
 290        core->input = input;
 291        cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
 292        cx_write(MO_GP3_IO, INPUT(input).gpio3);
 293        cx_write(MO_GP0_IO, INPUT(input).gpio0);
 294        cx_write(MO_GP1_IO, INPUT(input).gpio1);
 295        cx_write(MO_GP2_IO, INPUT(input).gpio2);
 296
 297        switch (INPUT(input).type) {
 298        case CX88_VMUX_SVIDEO:
 299                cx_set(MO_AFECFG_IO,    0x00000001);
 300                cx_set(MO_INPUT_FORMAT, 0x00010010);
 301                cx_set(MO_FILTER_EVEN,  0x00002020);
 302                cx_set(MO_FILTER_ODD,   0x00002020);
 303                break;
 304        default:
 305                cx_clear(MO_AFECFG_IO,    0x00000001);
 306                cx_clear(MO_INPUT_FORMAT, 0x00010010);
 307                cx_clear(MO_FILTER_EVEN,  0x00002020);
 308                cx_clear(MO_FILTER_ODD,   0x00002020);
 309                break;
 310        }
 311
 312        /*
 313         * if there are audioroutes defined, we have an external
 314         * ADC to deal with audio
 315         */
 316        if (INPUT(input).audioroute) {
 317                /*
 318                 * The wm8775 module has the "2" route hardwired into
 319                 * the initialization. Some boards may use different
 320                 * routes for different inputs. HVR-1300 surely does
 321                 */
 322                if (core->sd_wm8775) {
 323                        call_all(core, audio, s_routing,
 324                                 INPUT(input).audioroute, 0, 0);
 325                }
 326                /*
 327                 * cx2388's C-ADC is connected to the tuner only.
 328                 * When used with S-Video, that ADC is busy dealing with
 329                 * chroma, so an external must be used for baseband audio
 330                 */
 331                if (INPUT(input).type != CX88_VMUX_TELEVISION &&
 332                    INPUT(input).type != CX88_VMUX_CABLE) {
 333                        /* "I2S ADC mode" */
 334                        core->tvaudio = WW_I2SADC;
 335                        cx88_set_tvaudio(core);
 336                } else {
 337                        /* Normal mode */
 338                        cx_write(AUD_I2SCNTL, 0x0);
 339                        cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
 340                }
 341        }
 342
 343        return 0;
 344}
 345EXPORT_SYMBOL(cx88_video_mux);
 346
 347/* ------------------------------------------------------------------ */
 348
 349static int start_video_dma(struct cx8800_dev    *dev,
 350                           struct cx88_dmaqueue *q,
 351                           struct cx88_buffer   *buf)
 352{
 353        struct cx88_core *core = dev->core;
 354
 355        /* setup fifo + format */
 356        cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
 357                                buf->bpl, buf->risc.dma);
 358        cx88_set_scale(core, core->width, core->height, core->field);
 359        cx_write(MO_COLOR_CTRL, dev->fmt->cxformat | ColorFormatGamma);
 360
 361        /* reset counter */
 362        cx_write(MO_VIDY_GPCNTRL, GP_COUNT_CONTROL_RESET);
 363        q->count = 0;
 364
 365        /* enable irqs */
 366        cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
 367
 368        /*
 369         * Enables corresponding bits at PCI_INT_STAT:
 370         *      bits 0 to 4: video, audio, transport stream, VIP, Host
 371         *      bit 7: timer
 372         *      bits 8 and 9: DMA complete for: SRC, DST
 373         *      bits 10 and 11: BERR signal asserted for RISC: RD, WR
 374         *      bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
 375         */
 376        cx_set(MO_VID_INTMSK, 0x0f0011);
 377
 378        /* enable capture */
 379        cx_set(VID_CAPTURE_CONTROL, 0x06);
 380
 381        /* start dma */
 382        cx_set(MO_DEV_CNTRL2, (1 << 5));
 383        cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
 384
 385        return 0;
 386}
 387
 388#ifdef CONFIG_PM
 389static int stop_video_dma(struct cx8800_dev    *dev)
 390{
 391        struct cx88_core *core = dev->core;
 392
 393        /* stop dma */
 394        cx_clear(MO_VID_DMACNTRL, 0x11);
 395
 396        /* disable capture */
 397        cx_clear(VID_CAPTURE_CONTROL, 0x06);
 398
 399        /* disable irqs */
 400        cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
 401        cx_clear(MO_VID_INTMSK, 0x0f0011);
 402        return 0;
 403}
 404
 405static int restart_video_queue(struct cx8800_dev    *dev,
 406                               struct cx88_dmaqueue *q)
 407{
 408        struct cx88_buffer *buf;
 409
 410        if (!list_empty(&q->active)) {
 411                buf = list_entry(q->active.next, struct cx88_buffer, list);
 412                dprintk(2, "restart_queue [%p/%d]: restart dma\n",
 413                        buf, buf->vb.vb2_buf.index);
 414                start_video_dma(dev, q, buf);
 415        }
 416        return 0;
 417}
 418#endif
 419
 420/* ------------------------------------------------------------------ */
 421
 422static int queue_setup(struct vb2_queue *q,
 423                       unsigned int *num_buffers, unsigned int *num_planes,
 424                       unsigned int sizes[], struct device *alloc_devs[])
 425{
 426        struct cx8800_dev *dev = q->drv_priv;
 427        struct cx88_core *core = dev->core;
 428
 429        *num_planes = 1;
 430        sizes[0] = (dev->fmt->depth * core->width * core->height) >> 3;
 431        return 0;
 432}
 433
 434static int buffer_prepare(struct vb2_buffer *vb)
 435{
 436        struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 437        struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
 438        struct cx88_core *core = dev->core;
 439        struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
 440        struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
 441
 442        buf->bpl = core->width * dev->fmt->depth >> 3;
 443
 444        if (vb2_plane_size(vb, 0) < core->height * buf->bpl)
 445                return -EINVAL;
 446        vb2_set_plane_payload(vb, 0, core->height * buf->bpl);
 447
 448        switch (core->field) {
 449        case V4L2_FIELD_TOP:
 450                cx88_risc_buffer(dev->pci, &buf->risc,
 451                                 sgt->sgl, 0, UNSET,
 452                                 buf->bpl, 0, core->height);
 453                break;
 454        case V4L2_FIELD_BOTTOM:
 455                cx88_risc_buffer(dev->pci, &buf->risc,
 456                                 sgt->sgl, UNSET, 0,
 457                                 buf->bpl, 0, core->height);
 458                break;
 459        case V4L2_FIELD_SEQ_TB:
 460                cx88_risc_buffer(dev->pci, &buf->risc,
 461                                 sgt->sgl,
 462                                 0, buf->bpl * (core->height >> 1),
 463                                 buf->bpl, 0,
 464                                 core->height >> 1);
 465                break;
 466        case V4L2_FIELD_SEQ_BT:
 467                cx88_risc_buffer(dev->pci, &buf->risc,
 468                                 sgt->sgl,
 469                                 buf->bpl * (core->height >> 1), 0,
 470                                 buf->bpl, 0,
 471                                 core->height >> 1);
 472                break;
 473        case V4L2_FIELD_INTERLACED:
 474        default:
 475                cx88_risc_buffer(dev->pci, &buf->risc,
 476                                 sgt->sgl, 0, buf->bpl,
 477                                 buf->bpl, buf->bpl,
 478                                 core->height >> 1);
 479                break;
 480        }
 481        dprintk(2,
 482                "[%p/%d] %s - %dx%d %dbpp 0x%08x - dma=0x%08lx\n",
 483                buf, buf->vb.vb2_buf.index, __func__,
 484                core->width, core->height, dev->fmt->depth, dev->fmt->fourcc,
 485                (unsigned long)buf->risc.dma);
 486        return 0;
 487}
 488
 489static void buffer_finish(struct vb2_buffer *vb)
 490{
 491        struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 492        struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
 493        struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
 494        struct cx88_riscmem *risc = &buf->risc;
 495
 496        if (risc->cpu)
 497                pci_free_consistent(dev->pci, risc->size, risc->cpu, risc->dma);
 498        memset(risc, 0, sizeof(*risc));
 499}
 500
 501static void buffer_queue(struct vb2_buffer *vb)
 502{
 503        struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 504        struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
 505        struct cx88_buffer    *buf = container_of(vbuf, struct cx88_buffer, vb);
 506        struct cx88_buffer    *prev;
 507        struct cx88_dmaqueue  *q    = &dev->vidq;
 508
 509        /* add jump to start */
 510        buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 8);
 511        buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC);
 512        buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 8);
 513
 514        if (list_empty(&q->active)) {
 515                list_add_tail(&buf->list, &q->active);
 516                dprintk(2, "[%p/%d] buffer_queue - first active\n",
 517                        buf, buf->vb.vb2_buf.index);
 518
 519        } else {
 520                buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1);
 521                prev = list_entry(q->active.prev, struct cx88_buffer, list);
 522                list_add_tail(&buf->list, &q->active);
 523                prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 524                dprintk(2, "[%p/%d] buffer_queue - append to active\n",
 525                        buf, buf->vb.vb2_buf.index);
 526        }
 527}
 528
 529static int start_streaming(struct vb2_queue *q, unsigned int count)
 530{
 531        struct cx8800_dev *dev = q->drv_priv;
 532        struct cx88_dmaqueue *dmaq = &dev->vidq;
 533        struct cx88_buffer *buf = list_entry(dmaq->active.next,
 534                        struct cx88_buffer, list);
 535
 536        start_video_dma(dev, dmaq, buf);
 537        return 0;
 538}
 539
 540static void stop_streaming(struct vb2_queue *q)
 541{
 542        struct cx8800_dev *dev = q->drv_priv;
 543        struct cx88_core *core = dev->core;
 544        struct cx88_dmaqueue *dmaq = &dev->vidq;
 545        unsigned long flags;
 546
 547        cx_clear(MO_VID_DMACNTRL, 0x11);
 548        cx_clear(VID_CAPTURE_CONTROL, 0x06);
 549        spin_lock_irqsave(&dev->slock, flags);
 550        while (!list_empty(&dmaq->active)) {
 551                struct cx88_buffer *buf = list_entry(dmaq->active.next,
 552                        struct cx88_buffer, list);
 553
 554                list_del(&buf->list);
 555                vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
 556        }
 557        spin_unlock_irqrestore(&dev->slock, flags);
 558}
 559
 560static const struct vb2_ops cx8800_video_qops = {
 561        .queue_setup    = queue_setup,
 562        .buf_prepare  = buffer_prepare,
 563        .buf_finish = buffer_finish,
 564        .buf_queue    = buffer_queue,
 565        .wait_prepare = vb2_ops_wait_prepare,
 566        .wait_finish = vb2_ops_wait_finish,
 567        .start_streaming = start_streaming,
 568        .stop_streaming = stop_streaming,
 569};
 570
 571/* ------------------------------------------------------------------ */
 572
 573static int radio_open(struct file *file)
 574{
 575        struct cx8800_dev *dev = video_drvdata(file);
 576        struct cx88_core *core = dev->core;
 577        int ret = v4l2_fh_open(file);
 578
 579        if (ret)
 580                return ret;
 581
 582        cx_write(MO_GP3_IO, core->board.radio.gpio3);
 583        cx_write(MO_GP0_IO, core->board.radio.gpio0);
 584        cx_write(MO_GP1_IO, core->board.radio.gpio1);
 585        cx_write(MO_GP2_IO, core->board.radio.gpio2);
 586        if (core->board.radio.audioroute) {
 587                if (core->sd_wm8775) {
 588                        call_all(core, audio, s_routing,
 589                                 core->board.radio.audioroute, 0, 0);
 590                }
 591                /* "I2S ADC mode" */
 592                core->tvaudio = WW_I2SADC;
 593                cx88_set_tvaudio(core);
 594        } else {
 595                /* FM Mode */
 596                core->tvaudio = WW_FM;
 597                cx88_set_tvaudio(core);
 598                cx88_set_stereo(core, V4L2_TUNER_MODE_STEREO, 1);
 599        }
 600        call_all(core, tuner, s_radio);
 601        return 0;
 602}
 603
 604/* ------------------------------------------------------------------ */
 605/* VIDEO CTRL IOCTLS                                                  */
 606
 607static int cx8800_s_vid_ctrl(struct v4l2_ctrl *ctrl)
 608{
 609        struct cx88_core *core =
 610                container_of(ctrl->handler, struct cx88_core, video_hdl);
 611        const struct cx88_ctrl *cc = ctrl->priv;
 612        u32 value, mask;
 613
 614        mask = cc->mask;
 615        switch (ctrl->id) {
 616        case V4L2_CID_SATURATION:
 617                /* special v_sat handling */
 618
 619                value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 620
 621                if (core->tvnorm & V4L2_STD_SECAM) {
 622                        /* For SECAM, both U and V sat should be equal */
 623                        value = value << 8 | value;
 624                } else {
 625                        /* Keeps U Saturation proportional to V Sat */
 626                        value = (value * 0x5a) / 0x7f << 8 | value;
 627                }
 628                mask = 0xffff;
 629                break;
 630        case V4L2_CID_SHARPNESS:
 631                /* 0b000, 0b100, 0b101, 0b110, or 0b111 */
 632                value = (ctrl->val < 1 ? 0 : ((ctrl->val + 3) << 7));
 633                /* needs to be set for both fields */
 634                cx_andor(MO_FILTER_EVEN, mask, value);
 635                break;
 636        case V4L2_CID_CHROMA_AGC:
 637                value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 638                break;
 639        default:
 640                value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 641                break;
 642        }
 643        dprintk(1,
 644                "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 645                ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
 646                mask, cc->sreg ? " [shadowed]" : "");
 647        if (cc->sreg)
 648                cx_sandor(cc->sreg, cc->reg, mask, value);
 649        else
 650                cx_andor(cc->reg, mask, value);
 651        return 0;
 652}
 653
 654static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl)
 655{
 656        struct cx88_core *core =
 657                container_of(ctrl->handler, struct cx88_core, audio_hdl);
 658        const struct cx88_ctrl *cc = ctrl->priv;
 659        u32 value, mask;
 660
 661        /* Pass changes onto any WM8775 */
 662        if (core->sd_wm8775) {
 663                switch (ctrl->id) {
 664                case V4L2_CID_AUDIO_MUTE:
 665                        wm8775_s_ctrl(core, ctrl->id, ctrl->val);
 666                        break;
 667                case V4L2_CID_AUDIO_VOLUME:
 668                        wm8775_s_ctrl(core, ctrl->id, (ctrl->val) ?
 669                                                (0x90 + ctrl->val) << 8 : 0);
 670                        break;
 671                case V4L2_CID_AUDIO_BALANCE:
 672                        wm8775_s_ctrl(core, ctrl->id, ctrl->val << 9);
 673                        break;
 674                default:
 675                        break;
 676                }
 677        }
 678
 679        mask = cc->mask;
 680        switch (ctrl->id) {
 681        case V4L2_CID_AUDIO_BALANCE:
 682                value = (ctrl->val < 0x40) ?
 683                        (0x7f - ctrl->val) : (ctrl->val - 0x40);
 684                break;
 685        case V4L2_CID_AUDIO_VOLUME:
 686                value = 0x3f - (ctrl->val & 0x3f);
 687                break;
 688        default:
 689                value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 690                break;
 691        }
 692        dprintk(1,
 693                "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 694                ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
 695                mask, cc->sreg ? " [shadowed]" : "");
 696        if (cc->sreg)
 697                cx_sandor(cc->sreg, cc->reg, mask, value);
 698        else
 699                cx_andor(cc->reg, mask, value);
 700        return 0;
 701}
 702
 703/* ------------------------------------------------------------------ */
 704/* VIDEO IOCTLS                                                       */
 705
 706static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
 707                                struct v4l2_format *f)
 708{
 709        struct cx8800_dev *dev = video_drvdata(file);
 710        struct cx88_core *core = dev->core;
 711
 712        f->fmt.pix.width        = core->width;
 713        f->fmt.pix.height       = core->height;
 714        f->fmt.pix.field        = core->field;
 715        f->fmt.pix.pixelformat  = dev->fmt->fourcc;
 716        f->fmt.pix.bytesperline =
 717                (f->fmt.pix.width * dev->fmt->depth) >> 3;
 718        f->fmt.pix.sizeimage =
 719                f->fmt.pix.height * f->fmt.pix.bytesperline;
 720        f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
 721        return 0;
 722}
 723
 724static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 725                                  struct v4l2_format *f)
 726{
 727        struct cx8800_dev *dev = video_drvdata(file);
 728        struct cx88_core *core = dev->core;
 729        const struct cx8800_fmt *fmt;
 730        enum v4l2_field   field;
 731        unsigned int      maxw, maxh;
 732
 733        fmt = format_by_fourcc(f->fmt.pix.pixelformat);
 734        if (!fmt)
 735                return -EINVAL;
 736
 737        maxw = norm_maxw(core->tvnorm);
 738        maxh = norm_maxh(core->tvnorm);
 739
 740        field = f->fmt.pix.field;
 741
 742        switch (field) {
 743        case V4L2_FIELD_TOP:
 744        case V4L2_FIELD_BOTTOM:
 745        case V4L2_FIELD_INTERLACED:
 746        case V4L2_FIELD_SEQ_BT:
 747        case V4L2_FIELD_SEQ_TB:
 748                break;
 749        default:
 750                field = (f->fmt.pix.height > maxh / 2)
 751                        ? V4L2_FIELD_INTERLACED
 752                        : V4L2_FIELD_BOTTOM;
 753                break;
 754        }
 755        if (V4L2_FIELD_HAS_T_OR_B(field))
 756                maxh /= 2;
 757
 758        v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
 759                              &f->fmt.pix.height, 32, maxh, 0, 0);
 760        f->fmt.pix.field = field;
 761        f->fmt.pix.bytesperline =
 762                (f->fmt.pix.width * fmt->depth) >> 3;
 763        f->fmt.pix.sizeimage =
 764                f->fmt.pix.height * f->fmt.pix.bytesperline;
 765        f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
 766
 767        return 0;
 768}
 769
 770static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 771                                struct v4l2_format *f)
 772{
 773        struct cx8800_dev *dev = video_drvdata(file);
 774        struct cx88_core *core = dev->core;
 775        int err = vidioc_try_fmt_vid_cap(file, priv, f);
 776
 777        if (err != 0)
 778                return err;
 779        if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq))
 780                return -EBUSY;
 781        if (core->dvbdev && vb2_is_busy(&core->dvbdev->vb2_mpegq))
 782                return -EBUSY;
 783        dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
 784        core->width = f->fmt.pix.width;
 785        core->height = f->fmt.pix.height;
 786        core->field = f->fmt.pix.field;
 787        return 0;
 788}
 789
 790int cx88_querycap(struct file *file, struct cx88_core *core,
 791                  struct v4l2_capability *cap)
 792{
 793        strscpy(cap->card, core->board.name, sizeof(cap->card));
 794        cap->capabilities = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
 795                            V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VBI_CAPTURE |
 796                            V4L2_CAP_DEVICE_CAPS;
 797        if (core->board.tuner_type != UNSET)
 798                cap->capabilities |= V4L2_CAP_TUNER;
 799        if (core->board.radio.type == CX88_RADIO)
 800                cap->capabilities |= V4L2_CAP_RADIO;
 801        return 0;
 802}
 803EXPORT_SYMBOL(cx88_querycap);
 804
 805static int vidioc_querycap(struct file *file, void  *priv,
 806                           struct v4l2_capability *cap)
 807{
 808        struct cx8800_dev *dev = video_drvdata(file);
 809        struct cx88_core *core = dev->core;
 810
 811        strscpy(cap->driver, "cx8800", sizeof(cap->driver));
 812        sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
 813        return cx88_querycap(file, core, cap);
 814}
 815
 816static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
 817                                   struct v4l2_fmtdesc *f)
 818{
 819        if (unlikely(f->index >= ARRAY_SIZE(formats)))
 820                return -EINVAL;
 821
 822        f->pixelformat = formats[f->index].fourcc;
 823
 824        return 0;
 825}
 826
 827static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
 828{
 829        struct cx8800_dev *dev = video_drvdata(file);
 830        struct cx88_core *core = dev->core;
 831
 832        *tvnorm = core->tvnorm;
 833        return 0;
 834}
 835
 836static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
 837{
 838        struct cx8800_dev *dev = video_drvdata(file);
 839        struct cx88_core *core = dev->core;
 840
 841        return cx88_set_tvnorm(core, tvnorms);
 842}
 843
 844/* only one input in this sample driver */
 845int cx88_enum_input(struct cx88_core  *core, struct v4l2_input *i)
 846{
 847        static const char * const iname[] = {
 848                [CX88_VMUX_COMPOSITE1] = "Composite1",
 849                [CX88_VMUX_COMPOSITE2] = "Composite2",
 850                [CX88_VMUX_COMPOSITE3] = "Composite3",
 851                [CX88_VMUX_COMPOSITE4] = "Composite4",
 852                [CX88_VMUX_SVIDEO] = "S-Video",
 853                [CX88_VMUX_TELEVISION] = "Television",
 854                [CX88_VMUX_CABLE] = "Cable TV",
 855                [CX88_VMUX_DVB] = "DVB",
 856                [CX88_VMUX_DEBUG] = "for debug only",
 857        };
 858        unsigned int n = i->index;
 859
 860        if (n >= 4)
 861                return -EINVAL;
 862        if (!INPUT(n).type)
 863                return -EINVAL;
 864        i->type  = V4L2_INPUT_TYPE_CAMERA;
 865        strscpy(i->name, iname[INPUT(n).type], sizeof(i->name));
 866        if ((INPUT(n).type == CX88_VMUX_TELEVISION) ||
 867            (INPUT(n).type == CX88_VMUX_CABLE))
 868                i->type = V4L2_INPUT_TYPE_TUNER;
 869
 870        i->std = CX88_NORMS;
 871        return 0;
 872}
 873EXPORT_SYMBOL(cx88_enum_input);
 874
 875static int vidioc_enum_input(struct file *file, void *priv,
 876                             struct v4l2_input *i)
 877{
 878        struct cx8800_dev *dev = video_drvdata(file);
 879        struct cx88_core *core = dev->core;
 880
 881        return cx88_enum_input(core, i);
 882}
 883
 884static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
 885{
 886        struct cx8800_dev *dev = video_drvdata(file);
 887        struct cx88_core *core = dev->core;
 888
 889        *i = core->input;
 890        return 0;
 891}
 892
 893static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
 894{
 895        struct cx8800_dev *dev = video_drvdata(file);
 896        struct cx88_core *core = dev->core;
 897
 898        if (i >= 4)
 899                return -EINVAL;
 900        if (!INPUT(i).type)
 901                return -EINVAL;
 902
 903        cx88_newstation(core);
 904        cx88_video_mux(core, i);
 905        return 0;
 906}
 907
 908static int vidioc_g_tuner(struct file *file, void *priv,
 909                          struct v4l2_tuner *t)
 910{
 911        struct cx8800_dev *dev = video_drvdata(file);
 912        struct cx88_core *core = dev->core;
 913        u32 reg;
 914
 915        if (unlikely(core->board.tuner_type == UNSET))
 916                return -EINVAL;
 917        if (t->index != 0)
 918                return -EINVAL;
 919
 920        strscpy(t->name, "Television", sizeof(t->name));
 921        t->capability = V4L2_TUNER_CAP_NORM;
 922        t->rangehigh  = 0xffffffffUL;
 923        call_all(core, tuner, g_tuner, t);
 924
 925        cx88_get_stereo(core, t);
 926        reg = cx_read(MO_DEVICE_STATUS);
 927        t->signal = (reg & (1 << 5)) ? 0xffff : 0x0000;
 928        return 0;
 929}
 930
 931static int vidioc_s_tuner(struct file *file, void *priv,
 932                          const struct v4l2_tuner *t)
 933{
 934        struct cx8800_dev *dev = video_drvdata(file);
 935        struct cx88_core *core = dev->core;
 936
 937        if (core->board.tuner_type == UNSET)
 938                return -EINVAL;
 939        if (t->index != 0)
 940                return -EINVAL;
 941
 942        cx88_set_stereo(core, t->audmode, 1);
 943        return 0;
 944}
 945
 946static int vidioc_g_frequency(struct file *file, void *priv,
 947                              struct v4l2_frequency *f)
 948{
 949        struct cx8800_dev *dev = video_drvdata(file);
 950        struct cx88_core *core = dev->core;
 951
 952        if (unlikely(core->board.tuner_type == UNSET))
 953                return -EINVAL;
 954        if (f->tuner)
 955                return -EINVAL;
 956
 957        f->frequency = core->freq;
 958
 959        call_all(core, tuner, g_frequency, f);
 960
 961        return 0;
 962}
 963
 964int cx88_set_freq(struct cx88_core  *core,
 965                  const struct v4l2_frequency *f)
 966{
 967        struct v4l2_frequency new_freq = *f;
 968
 969        if (unlikely(core->board.tuner_type == UNSET))
 970                return -EINVAL;
 971        if (unlikely(f->tuner != 0))
 972                return -EINVAL;
 973
 974        cx88_newstation(core);
 975        call_all(core, tuner, s_frequency, f);
 976        call_all(core, tuner, g_frequency, &new_freq);
 977        core->freq = new_freq.frequency;
 978
 979        /* When changing channels it is required to reset TVAUDIO */
 980        usleep_range(10000, 20000);
 981        cx88_set_tvaudio(core);
 982
 983        return 0;
 984}
 985EXPORT_SYMBOL(cx88_set_freq);
 986
 987static int vidioc_s_frequency(struct file *file, void *priv,
 988                              const struct v4l2_frequency *f)
 989{
 990        struct cx8800_dev *dev = video_drvdata(file);
 991        struct cx88_core *core = dev->core;
 992
 993        return cx88_set_freq(core, f);
 994}
 995
 996#ifdef CONFIG_VIDEO_ADV_DEBUG
 997static int vidioc_g_register(struct file *file, void *fh,
 998                             struct v4l2_dbg_register *reg)
 999{
1000        struct cx8800_dev *dev = video_drvdata(file);
1001        struct cx88_core *core = dev->core;
1002
1003        /* cx2388x has a 24-bit register space */
1004        reg->val = cx_read(reg->reg & 0xfffffc);
1005        reg->size = 4;
1006        return 0;
1007}
1008
1009static int vidioc_s_register(struct file *file, void *fh,
1010                             const struct v4l2_dbg_register *reg)
1011{
1012        struct cx8800_dev *dev = video_drvdata(file);
1013        struct cx88_core *core = dev->core;
1014
1015        cx_write(reg->reg & 0xfffffc, reg->val);
1016        return 0;
1017}
1018#endif
1019
1020/* ----------------------------------------------------------- */
1021/* RADIO ESPECIFIC IOCTLS                                      */
1022/* ----------------------------------------------------------- */
1023
1024static int radio_g_tuner(struct file *file, void *priv,
1025                         struct v4l2_tuner *t)
1026{
1027        struct cx8800_dev *dev = video_drvdata(file);
1028        struct cx88_core *core = dev->core;
1029
1030        if (unlikely(t->index > 0))
1031                return -EINVAL;
1032
1033        strscpy(t->name, "Radio", sizeof(t->name));
1034
1035        call_all(core, tuner, g_tuner, t);
1036        return 0;
1037}
1038
1039static int radio_s_tuner(struct file *file, void *priv,
1040                         const struct v4l2_tuner *t)
1041{
1042        struct cx8800_dev *dev = video_drvdata(file);
1043        struct cx88_core *core = dev->core;
1044
1045        if (t->index != 0)
1046                return -EINVAL;
1047
1048        call_all(core, tuner, s_tuner, t);
1049        return 0;
1050}
1051
1052/* ----------------------------------------------------------- */
1053
1054static const char *cx88_vid_irqs[32] = {
1055        "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1056        "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1057        "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1058        "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1059        "opc_err",  "par_err",  "rip_err",  "pci_abort",
1060};
1061
1062static void cx8800_vid_irq(struct cx8800_dev *dev)
1063{
1064        struct cx88_core *core = dev->core;
1065        u32 status, mask, count;
1066
1067        status = cx_read(MO_VID_INTSTAT);
1068        mask   = cx_read(MO_VID_INTMSK);
1069        if (0 == (status & mask))
1070                return;
1071        cx_write(MO_VID_INTSTAT, status);
1072        if (irq_debug  ||  (status & mask & ~0xff))
1073                cx88_print_irqbits("irq vid",
1074                                   cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1075                                   status, mask);
1076
1077        /* risc op code error */
1078        if (status & (1 << 16)) {
1079                pr_warn("video risc op code error\n");
1080                cx_clear(MO_VID_DMACNTRL, 0x11);
1081                cx_clear(VID_CAPTURE_CONTROL, 0x06);
1082                cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1083        }
1084
1085        /* risc1 y */
1086        if (status & 0x01) {
1087                spin_lock(&dev->slock);
1088                count = cx_read(MO_VIDY_GPCNT);
1089                cx88_wakeup(core, &dev->vidq, count);
1090                spin_unlock(&dev->slock);
1091        }
1092
1093        /* risc1 vbi */
1094        if (status & 0x08) {
1095                spin_lock(&dev->slock);
1096                count = cx_read(MO_VBI_GPCNT);
1097                cx88_wakeup(core, &dev->vbiq, count);
1098                spin_unlock(&dev->slock);
1099        }
1100}
1101
1102static irqreturn_t cx8800_irq(int irq, void *dev_id)
1103{
1104        struct cx8800_dev *dev = dev_id;
1105        struct cx88_core *core = dev->core;
1106        u32 status;
1107        int loop, handled = 0;
1108
1109        for (loop = 0; loop < 10; loop++) {
1110                status = cx_read(MO_PCI_INTSTAT) &
1111                        (core->pci_irqmask | PCI_INT_VIDINT);
1112                if (status == 0)
1113                        goto out;
1114                cx_write(MO_PCI_INTSTAT, status);
1115                handled = 1;
1116
1117                if (status & core->pci_irqmask)
1118                        cx88_core_irq(core, status);
1119                if (status & PCI_INT_VIDINT)
1120                        cx8800_vid_irq(dev);
1121        }
1122        if (loop == 10) {
1123                pr_warn("irq loop -- clearing mask\n");
1124                cx_write(MO_PCI_INTMSK, 0);
1125        }
1126
1127 out:
1128        return IRQ_RETVAL(handled);
1129}
1130
1131/* ----------------------------------------------------------- */
1132/* exported stuff                                              */
1133
1134static const struct v4l2_file_operations video_fops = {
1135        .owner         = THIS_MODULE,
1136        .open          = v4l2_fh_open,
1137        .release       = vb2_fop_release,
1138        .read          = vb2_fop_read,
1139        .poll          = vb2_fop_poll,
1140        .mmap          = vb2_fop_mmap,
1141        .unlocked_ioctl = video_ioctl2,
1142};
1143
1144static const struct v4l2_ioctl_ops video_ioctl_ops = {
1145        .vidioc_querycap      = vidioc_querycap,
1146        .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1147        .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1148        .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1149        .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1150        .vidioc_reqbufs       = vb2_ioctl_reqbufs,
1151        .vidioc_querybuf      = vb2_ioctl_querybuf,
1152        .vidioc_qbuf          = vb2_ioctl_qbuf,
1153        .vidioc_dqbuf         = vb2_ioctl_dqbuf,
1154        .vidioc_g_std         = vidioc_g_std,
1155        .vidioc_s_std         = vidioc_s_std,
1156        .vidioc_enum_input    = vidioc_enum_input,
1157        .vidioc_g_input       = vidioc_g_input,
1158        .vidioc_s_input       = vidioc_s_input,
1159        .vidioc_streamon      = vb2_ioctl_streamon,
1160        .vidioc_streamoff     = vb2_ioctl_streamoff,
1161        .vidioc_g_tuner       = vidioc_g_tuner,
1162        .vidioc_s_tuner       = vidioc_s_tuner,
1163        .vidioc_g_frequency   = vidioc_g_frequency,
1164        .vidioc_s_frequency   = vidioc_s_frequency,
1165        .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1166        .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1167#ifdef CONFIG_VIDEO_ADV_DEBUG
1168        .vidioc_g_register    = vidioc_g_register,
1169        .vidioc_s_register    = vidioc_s_register,
1170#endif
1171};
1172
1173static const struct video_device cx8800_video_template = {
1174        .name                 = "cx8800-video",
1175        .fops                 = &video_fops,
1176        .ioctl_ops            = &video_ioctl_ops,
1177        .tvnorms              = CX88_NORMS,
1178};
1179
1180static const struct v4l2_ioctl_ops vbi_ioctl_ops = {
1181        .vidioc_querycap      = vidioc_querycap,
1182        .vidioc_g_fmt_vbi_cap     = cx8800_vbi_fmt,
1183        .vidioc_try_fmt_vbi_cap   = cx8800_vbi_fmt,
1184        .vidioc_s_fmt_vbi_cap     = cx8800_vbi_fmt,
1185        .vidioc_reqbufs       = vb2_ioctl_reqbufs,
1186        .vidioc_querybuf      = vb2_ioctl_querybuf,
1187        .vidioc_qbuf          = vb2_ioctl_qbuf,
1188        .vidioc_dqbuf         = vb2_ioctl_dqbuf,
1189        .vidioc_g_std         = vidioc_g_std,
1190        .vidioc_s_std         = vidioc_s_std,
1191        .vidioc_enum_input    = vidioc_enum_input,
1192        .vidioc_g_input       = vidioc_g_input,
1193        .vidioc_s_input       = vidioc_s_input,
1194        .vidioc_streamon      = vb2_ioctl_streamon,
1195        .vidioc_streamoff     = vb2_ioctl_streamoff,
1196        .vidioc_g_tuner       = vidioc_g_tuner,
1197        .vidioc_s_tuner       = vidioc_s_tuner,
1198        .vidioc_g_frequency   = vidioc_g_frequency,
1199        .vidioc_s_frequency   = vidioc_s_frequency,
1200#ifdef CONFIG_VIDEO_ADV_DEBUG
1201        .vidioc_g_register    = vidioc_g_register,
1202        .vidioc_s_register    = vidioc_s_register,
1203#endif
1204};
1205
1206static const struct video_device cx8800_vbi_template = {
1207        .name                 = "cx8800-vbi",
1208        .fops                 = &video_fops,
1209        .ioctl_ops            = &vbi_ioctl_ops,
1210        .tvnorms              = CX88_NORMS,
1211};
1212
1213static const struct v4l2_file_operations radio_fops = {
1214        .owner         = THIS_MODULE,
1215        .open          = radio_open,
1216        .poll          = v4l2_ctrl_poll,
1217        .release       = v4l2_fh_release,
1218        .unlocked_ioctl = video_ioctl2,
1219};
1220
1221static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1222        .vidioc_querycap      = vidioc_querycap,
1223        .vidioc_g_tuner       = radio_g_tuner,
1224        .vidioc_s_tuner       = radio_s_tuner,
1225        .vidioc_g_frequency   = vidioc_g_frequency,
1226        .vidioc_s_frequency   = vidioc_s_frequency,
1227        .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1228        .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1229#ifdef CONFIG_VIDEO_ADV_DEBUG
1230        .vidioc_g_register    = vidioc_g_register,
1231        .vidioc_s_register    = vidioc_s_register,
1232#endif
1233};
1234
1235static const struct video_device cx8800_radio_template = {
1236        .name                 = "cx8800-radio",
1237        .fops                 = &radio_fops,
1238        .ioctl_ops            = &radio_ioctl_ops,
1239};
1240
1241static const struct v4l2_ctrl_ops cx8800_ctrl_vid_ops = {
1242        .s_ctrl = cx8800_s_vid_ctrl,
1243};
1244
1245static const struct v4l2_ctrl_ops cx8800_ctrl_aud_ops = {
1246        .s_ctrl = cx8800_s_aud_ctrl,
1247};
1248
1249/* ----------------------------------------------------------- */
1250
1251static void cx8800_unregister_video(struct cx8800_dev *dev)
1252{
1253        video_unregister_device(&dev->radio_dev);
1254        video_unregister_device(&dev->vbi_dev);
1255        video_unregister_device(&dev->video_dev);
1256}
1257
1258static int cx8800_initdev(struct pci_dev *pci_dev,
1259                          const struct pci_device_id *pci_id)
1260{
1261        struct cx8800_dev *dev;
1262        struct cx88_core *core;
1263        struct vb2_queue *q;
1264        int err;
1265        int i;
1266
1267        dev = kzalloc(sizeof(*dev), GFP_KERNEL);
1268        if (!dev)
1269                return -ENOMEM;
1270
1271        /* pci init */
1272        dev->pci = pci_dev;
1273        if (pci_enable_device(pci_dev)) {
1274                err = -EIO;
1275                goto fail_free;
1276        }
1277        core = cx88_core_get(dev->pci);
1278        if (!core) {
1279                err = -EINVAL;
1280                goto fail_disable;
1281        }
1282        dev->core = core;
1283
1284        /* print pci info */
1285        dev->pci_rev = pci_dev->revision;
1286        pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1287        pr_info("found at %s, rev: %d, irq: %d, latency: %d, mmio: 0x%llx\n",
1288                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1289                dev->pci_lat,
1290                (unsigned long long)pci_resource_start(pci_dev, 0));
1291
1292        pci_set_master(pci_dev);
1293        err = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32));
1294        if (err) {
1295                pr_err("Oops: no 32bit PCI DMA ???\n");
1296                goto fail_core;
1297        }
1298
1299        /* initialize driver struct */
1300        spin_lock_init(&dev->slock);
1301
1302        /* init video dma queues */
1303        INIT_LIST_HEAD(&dev->vidq.active);
1304
1305        /* init vbi dma queues */
1306        INIT_LIST_HEAD(&dev->vbiq.active);
1307
1308        /* get irq */
1309        err = request_irq(pci_dev->irq, cx8800_irq,
1310                          IRQF_SHARED, core->name, dev);
1311        if (err < 0) {
1312                pr_err("can't get IRQ %d\n", pci_dev->irq);
1313                goto fail_core;
1314        }
1315        cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1316
1317        for (i = 0; i < CX8800_AUD_CTLS; i++) {
1318                const struct cx88_ctrl *cc = &cx8800_aud_ctls[i];
1319                struct v4l2_ctrl *vc;
1320
1321                vc = v4l2_ctrl_new_std(&core->audio_hdl, &cx8800_ctrl_aud_ops,
1322                                       cc->id, cc->minimum, cc->maximum,
1323                                       cc->step, cc->default_value);
1324                if (!vc) {
1325                        err = core->audio_hdl.error;
1326                        goto fail_irq;
1327                }
1328                vc->priv = (void *)cc;
1329        }
1330
1331        for (i = 0; i < CX8800_VID_CTLS; i++) {
1332                const struct cx88_ctrl *cc = &cx8800_vid_ctls[i];
1333                struct v4l2_ctrl *vc;
1334
1335                vc = v4l2_ctrl_new_std(&core->video_hdl, &cx8800_ctrl_vid_ops,
1336                                       cc->id, cc->minimum, cc->maximum,
1337                                       cc->step, cc->default_value);
1338                if (!vc) {
1339                        err = core->video_hdl.error;
1340                        goto fail_irq;
1341                }
1342                vc->priv = (void *)cc;
1343                if (vc->id == V4L2_CID_CHROMA_AGC)
1344                        core->chroma_agc = vc;
1345        }
1346        v4l2_ctrl_add_handler(&core->video_hdl, &core->audio_hdl, NULL, false);
1347
1348        /* load and configure helper modules */
1349
1350        if (core->board.audio_chip == CX88_AUDIO_WM8775) {
1351                struct i2c_board_info wm8775_info = {
1352                        .type = "wm8775",
1353                        .addr = 0x36 >> 1,
1354                        .platform_data = &core->wm8775_data,
1355                };
1356                struct v4l2_subdev *sd;
1357
1358                if (core->boardnr == CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1)
1359                        core->wm8775_data.is_nova_s = true;
1360                else
1361                        core->wm8775_data.is_nova_s = false;
1362
1363                sd = v4l2_i2c_new_subdev_board(&core->v4l2_dev, &core->i2c_adap,
1364                                               &wm8775_info, NULL);
1365                if (sd) {
1366                        core->sd_wm8775 = sd;
1367                        sd->grp_id = WM8775_GID;
1368                }
1369        }
1370
1371        if (core->board.audio_chip == CX88_AUDIO_TVAUDIO) {
1372                /*
1373                 * This probes for a tda9874 as is used on some
1374                 * Pixelview Ultra boards.
1375                 */
1376                v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1377                                    "tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
1378        }
1379
1380        switch (core->boardnr) {
1381        case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1382        case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1383                static const struct i2c_board_info rtc_info = {
1384                        I2C_BOARD_INFO("isl1208", 0x6f)
1385                };
1386
1387                request_module("rtc-isl1208");
1388                core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
1389        }
1390                /* fall-through */
1391        case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1392                request_module("ir-kbd-i2c");
1393        }
1394
1395        /* Sets device info at pci_dev */
1396        pci_set_drvdata(pci_dev, dev);
1397
1398        dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1399
1400        /* Maintain a reference so cx88-blackbird can query the 8800 device. */
1401        core->v4ldev = dev;
1402
1403        /* initial device configuration */
1404        mutex_lock(&core->lock);
1405        cx88_set_tvnorm(core, V4L2_STD_NTSC_M);
1406        v4l2_ctrl_handler_setup(&core->video_hdl);
1407        v4l2_ctrl_handler_setup(&core->audio_hdl);
1408        cx88_video_mux(core, 0);
1409
1410        q = &dev->vb2_vidq;
1411        q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1412        q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1413        q->gfp_flags = GFP_DMA32;
1414        q->min_buffers_needed = 2;
1415        q->drv_priv = dev;
1416        q->buf_struct_size = sizeof(struct cx88_buffer);
1417        q->ops = &cx8800_video_qops;
1418        q->mem_ops = &vb2_dma_sg_memops;
1419        q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1420        q->lock = &core->lock;
1421        q->dev = &dev->pci->dev;
1422
1423        err = vb2_queue_init(q);
1424        if (err < 0)
1425                goto fail_unreg;
1426
1427        q = &dev->vb2_vbiq;
1428        q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1429        q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1430        q->gfp_flags = GFP_DMA32;
1431        q->min_buffers_needed = 2;
1432        q->drv_priv = dev;
1433        q->buf_struct_size = sizeof(struct cx88_buffer);
1434        q->ops = &cx8800_vbi_qops;
1435        q->mem_ops = &vb2_dma_sg_memops;
1436        q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1437        q->lock = &core->lock;
1438        q->dev = &dev->pci->dev;
1439
1440        err = vb2_queue_init(q);
1441        if (err < 0)
1442                goto fail_unreg;
1443
1444        /* register v4l devices */
1445        cx88_vdev_init(core, dev->pci, &dev->video_dev,
1446                       &cx8800_video_template, "video");
1447        video_set_drvdata(&dev->video_dev, dev);
1448        dev->video_dev.ctrl_handler = &core->video_hdl;
1449        dev->video_dev.queue = &dev->vb2_vidq;
1450        dev->video_dev.device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1451                                     V4L2_CAP_VIDEO_CAPTURE;
1452        if (core->board.tuner_type != UNSET)
1453                dev->video_dev.device_caps |= V4L2_CAP_TUNER;
1454        err = video_register_device(&dev->video_dev, VFL_TYPE_GRABBER,
1455                                    video_nr[core->nr]);
1456        if (err < 0) {
1457                pr_err("can't register video device\n");
1458                goto fail_unreg;
1459        }
1460        pr_info("registered device %s [v4l2]\n",
1461                video_device_node_name(&dev->video_dev));
1462
1463        cx88_vdev_init(core, dev->pci, &dev->vbi_dev,
1464                       &cx8800_vbi_template, "vbi");
1465        video_set_drvdata(&dev->vbi_dev, dev);
1466        dev->vbi_dev.queue = &dev->vb2_vbiq;
1467        dev->vbi_dev.device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1468                                   V4L2_CAP_VBI_CAPTURE;
1469        if (core->board.tuner_type != UNSET)
1470                dev->vbi_dev.device_caps |= V4L2_CAP_TUNER;
1471        err = video_register_device(&dev->vbi_dev, VFL_TYPE_VBI,
1472                                    vbi_nr[core->nr]);
1473        if (err < 0) {
1474                pr_err("can't register vbi device\n");
1475                goto fail_unreg;
1476        }
1477        pr_info("registered device %s\n",
1478                video_device_node_name(&dev->vbi_dev));
1479
1480        if (core->board.radio.type == CX88_RADIO) {
1481                cx88_vdev_init(core, dev->pci, &dev->radio_dev,
1482                               &cx8800_radio_template, "radio");
1483                video_set_drvdata(&dev->radio_dev, dev);
1484                dev->radio_dev.ctrl_handler = &core->audio_hdl;
1485                dev->radio_dev.device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
1486                err = video_register_device(&dev->radio_dev, VFL_TYPE_RADIO,
1487                                            radio_nr[core->nr]);
1488                if (err < 0) {
1489                        pr_err("can't register radio device\n");
1490                        goto fail_unreg;
1491                }
1492                pr_info("registered device %s\n",
1493                        video_device_node_name(&dev->radio_dev));
1494        }
1495
1496        /* start tvaudio thread */
1497        if (core->board.tuner_type != UNSET) {
1498                core->kthread = kthread_run(cx88_audio_thread,
1499                                            core, "cx88 tvaudio");
1500                if (IS_ERR(core->kthread)) {
1501                        err = PTR_ERR(core->kthread);
1502                        pr_err("failed to create cx88 audio thread, err=%d\n",
1503                               err);
1504                }
1505        }
1506        mutex_unlock(&core->lock);
1507
1508        return 0;
1509
1510fail_unreg:
1511        cx8800_unregister_video(dev);
1512        mutex_unlock(&core->lock);
1513fail_irq:
1514        free_irq(pci_dev->irq, dev);
1515fail_core:
1516        core->v4ldev = NULL;
1517        cx88_core_put(core, dev->pci);
1518fail_disable:
1519        pci_disable_device(pci_dev);
1520fail_free:
1521        kfree(dev);
1522        return err;
1523}
1524
1525static void cx8800_finidev(struct pci_dev *pci_dev)
1526{
1527        struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1528        struct cx88_core *core = dev->core;
1529
1530        /* stop thread */
1531        if (core->kthread) {
1532                kthread_stop(core->kthread);
1533                core->kthread = NULL;
1534        }
1535
1536        if (core->ir)
1537                cx88_ir_stop(core);
1538
1539        cx88_shutdown(core); /* FIXME */
1540
1541        /* unregister stuff */
1542
1543        free_irq(pci_dev->irq, dev);
1544        cx8800_unregister_video(dev);
1545        pci_disable_device(pci_dev);
1546
1547        core->v4ldev = NULL;
1548
1549        /* free memory */
1550        cx88_core_put(core, dev->pci);
1551        kfree(dev);
1552}
1553
1554#ifdef CONFIG_PM
1555static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1556{
1557        struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1558        struct cx88_core *core = dev->core;
1559        unsigned long flags;
1560
1561        /* stop video+vbi capture */
1562        spin_lock_irqsave(&dev->slock, flags);
1563        if (!list_empty(&dev->vidq.active)) {
1564                pr_info("suspend video\n");
1565                stop_video_dma(dev);
1566        }
1567        if (!list_empty(&dev->vbiq.active)) {
1568                pr_info("suspend vbi\n");
1569                cx8800_stop_vbi_dma(dev);
1570        }
1571        spin_unlock_irqrestore(&dev->slock, flags);
1572
1573        if (core->ir)
1574                cx88_ir_stop(core);
1575        /* FIXME -- shutdown device */
1576        cx88_shutdown(core);
1577
1578        pci_save_state(pci_dev);
1579        if (pci_set_power_state(pci_dev,
1580                                pci_choose_state(pci_dev, state)) != 0) {
1581                pci_disable_device(pci_dev);
1582                dev->state.disabled = 1;
1583        }
1584        return 0;
1585}
1586
1587static int cx8800_resume(struct pci_dev *pci_dev)
1588{
1589        struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1590        struct cx88_core *core = dev->core;
1591        unsigned long flags;
1592        int err;
1593
1594        if (dev->state.disabled) {
1595                err = pci_enable_device(pci_dev);
1596                if (err) {
1597                        pr_err("can't enable device\n");
1598                        return err;
1599                }
1600
1601                dev->state.disabled = 0;
1602        }
1603        err = pci_set_power_state(pci_dev, PCI_D0);
1604        if (err) {
1605                pr_err("can't set power state\n");
1606                pci_disable_device(pci_dev);
1607                dev->state.disabled = 1;
1608
1609                return err;
1610        }
1611        pci_restore_state(pci_dev);
1612
1613        /* FIXME: re-initialize hardware */
1614        cx88_reset(core);
1615        if (core->ir)
1616                cx88_ir_start(core);
1617
1618        cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1619
1620        /* restart video+vbi capture */
1621        spin_lock_irqsave(&dev->slock, flags);
1622        if (!list_empty(&dev->vidq.active)) {
1623                pr_info("resume video\n");
1624                restart_video_queue(dev, &dev->vidq);
1625        }
1626        if (!list_empty(&dev->vbiq.active)) {
1627                pr_info("resume vbi\n");
1628                cx8800_restart_vbi_queue(dev, &dev->vbiq);
1629        }
1630        spin_unlock_irqrestore(&dev->slock, flags);
1631
1632        return 0;
1633}
1634#endif
1635
1636/* ----------------------------------------------------------- */
1637
1638static const struct pci_device_id cx8800_pci_tbl[] = {
1639        {
1640                .vendor       = 0x14f1,
1641                .device       = 0x8800,
1642                .subvendor    = PCI_ANY_ID,
1643                .subdevice    = PCI_ANY_ID,
1644        }, {
1645                /* --- end of list --- */
1646        }
1647};
1648MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
1649
1650static struct pci_driver cx8800_pci_driver = {
1651        .name     = "cx8800",
1652        .id_table = cx8800_pci_tbl,
1653        .probe    = cx8800_initdev,
1654        .remove   = cx8800_finidev,
1655#ifdef CONFIG_PM
1656        .suspend  = cx8800_suspend,
1657        .resume   = cx8800_resume,
1658#endif
1659};
1660
1661module_pci_driver(cx8800_pci_driver);
1662