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
 388static int __maybe_unused stop_video_dma(struct cx8800_dev    *dev)
 389{
 390        struct cx88_core *core = dev->core;
 391
 392        /* stop dma */
 393        cx_clear(MO_VID_DMACNTRL, 0x11);
 394
 395        /* disable capture */
 396        cx_clear(VID_CAPTURE_CONTROL, 0x06);
 397
 398        /* disable irqs */
 399        cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
 400        cx_clear(MO_VID_INTMSK, 0x0f0011);
 401        return 0;
 402}
 403
 404static int __maybe_unused restart_video_queue(struct cx8800_dev *dev,
 405                                              struct cx88_dmaqueue *q)
 406{
 407        struct cx88_buffer *buf;
 408
 409        if (!list_empty(&q->active)) {
 410                buf = list_entry(q->active.next, struct cx88_buffer, list);
 411                dprintk(2, "restart_queue [%p/%d]: restart dma\n",
 412                        buf, buf->vb.vb2_buf.index);
 413                start_video_dma(dev, q, buf);
 414        }
 415        return 0;
 416}
 417
 418/* ------------------------------------------------------------------ */
 419
 420static int queue_setup(struct vb2_queue *q,
 421                       unsigned int *num_buffers, unsigned int *num_planes,
 422                       unsigned int sizes[], struct device *alloc_devs[])
 423{
 424        struct cx8800_dev *dev = q->drv_priv;
 425        struct cx88_core *core = dev->core;
 426
 427        *num_planes = 1;
 428        sizes[0] = (dev->fmt->depth * core->width * core->height) >> 3;
 429        return 0;
 430}
 431
 432static int buffer_prepare(struct vb2_buffer *vb)
 433{
 434        struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 435        struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
 436        struct cx88_core *core = dev->core;
 437        struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
 438        struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
 439
 440        buf->bpl = core->width * dev->fmt->depth >> 3;
 441
 442        if (vb2_plane_size(vb, 0) < core->height * buf->bpl)
 443                return -EINVAL;
 444        vb2_set_plane_payload(vb, 0, core->height * buf->bpl);
 445
 446        switch (core->field) {
 447        case V4L2_FIELD_TOP:
 448                cx88_risc_buffer(dev->pci, &buf->risc,
 449                                 sgt->sgl, 0, UNSET,
 450                                 buf->bpl, 0, core->height);
 451                break;
 452        case V4L2_FIELD_BOTTOM:
 453                cx88_risc_buffer(dev->pci, &buf->risc,
 454                                 sgt->sgl, UNSET, 0,
 455                                 buf->bpl, 0, core->height);
 456                break;
 457        case V4L2_FIELD_SEQ_TB:
 458                cx88_risc_buffer(dev->pci, &buf->risc,
 459                                 sgt->sgl,
 460                                 0, buf->bpl * (core->height >> 1),
 461                                 buf->bpl, 0,
 462                                 core->height >> 1);
 463                break;
 464        case V4L2_FIELD_SEQ_BT:
 465                cx88_risc_buffer(dev->pci, &buf->risc,
 466                                 sgt->sgl,
 467                                 buf->bpl * (core->height >> 1), 0,
 468                                 buf->bpl, 0,
 469                                 core->height >> 1);
 470                break;
 471        case V4L2_FIELD_INTERLACED:
 472        default:
 473                cx88_risc_buffer(dev->pci, &buf->risc,
 474                                 sgt->sgl, 0, buf->bpl,
 475                                 buf->bpl, buf->bpl,
 476                                 core->height >> 1);
 477                break;
 478        }
 479        dprintk(2,
 480                "[%p/%d] %s - %dx%d %dbpp 0x%08x - dma=0x%08lx\n",
 481                buf, buf->vb.vb2_buf.index, __func__,
 482                core->width, core->height, dev->fmt->depth, dev->fmt->fourcc,
 483                (unsigned long)buf->risc.dma);
 484        return 0;
 485}
 486
 487static void buffer_finish(struct vb2_buffer *vb)
 488{
 489        struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 490        struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
 491        struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
 492        struct cx88_riscmem *risc = &buf->risc;
 493
 494        if (risc->cpu)
 495                pci_free_consistent(dev->pci, risc->size, risc->cpu, risc->dma);
 496        memset(risc, 0, sizeof(*risc));
 497}
 498
 499static void buffer_queue(struct vb2_buffer *vb)
 500{
 501        struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 502        struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
 503        struct cx88_buffer    *buf = container_of(vbuf, struct cx88_buffer, vb);
 504        struct cx88_buffer    *prev;
 505        struct cx88_dmaqueue  *q    = &dev->vidq;
 506
 507        /* add jump to start */
 508        buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 8);
 509        buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC);
 510        buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 8);
 511
 512        if (list_empty(&q->active)) {
 513                list_add_tail(&buf->list, &q->active);
 514                dprintk(2, "[%p/%d] buffer_queue - first active\n",
 515                        buf, buf->vb.vb2_buf.index);
 516
 517        } else {
 518                buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1);
 519                prev = list_entry(q->active.prev, struct cx88_buffer, list);
 520                list_add_tail(&buf->list, &q->active);
 521                prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 522                dprintk(2, "[%p/%d] buffer_queue - append to active\n",
 523                        buf, buf->vb.vb2_buf.index);
 524        }
 525}
 526
 527static int start_streaming(struct vb2_queue *q, unsigned int count)
 528{
 529        struct cx8800_dev *dev = q->drv_priv;
 530        struct cx88_dmaqueue *dmaq = &dev->vidq;
 531        struct cx88_buffer *buf = list_entry(dmaq->active.next,
 532                        struct cx88_buffer, list);
 533
 534        start_video_dma(dev, dmaq, buf);
 535        return 0;
 536}
 537
 538static void stop_streaming(struct vb2_queue *q)
 539{
 540        struct cx8800_dev *dev = q->drv_priv;
 541        struct cx88_core *core = dev->core;
 542        struct cx88_dmaqueue *dmaq = &dev->vidq;
 543        unsigned long flags;
 544
 545        cx_clear(MO_VID_DMACNTRL, 0x11);
 546        cx_clear(VID_CAPTURE_CONTROL, 0x06);
 547        spin_lock_irqsave(&dev->slock, flags);
 548        while (!list_empty(&dmaq->active)) {
 549                struct cx88_buffer *buf = list_entry(dmaq->active.next,
 550                        struct cx88_buffer, list);
 551
 552                list_del(&buf->list);
 553                vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
 554        }
 555        spin_unlock_irqrestore(&dev->slock, flags);
 556}
 557
 558static const struct vb2_ops cx8800_video_qops = {
 559        .queue_setup    = queue_setup,
 560        .buf_prepare  = buffer_prepare,
 561        .buf_finish = buffer_finish,
 562        .buf_queue    = buffer_queue,
 563        .wait_prepare = vb2_ops_wait_prepare,
 564        .wait_finish = vb2_ops_wait_finish,
 565        .start_streaming = start_streaming,
 566        .stop_streaming = stop_streaming,
 567};
 568
 569/* ------------------------------------------------------------------ */
 570
 571static int radio_open(struct file *file)
 572{
 573        struct cx8800_dev *dev = video_drvdata(file);
 574        struct cx88_core *core = dev->core;
 575        int ret = v4l2_fh_open(file);
 576
 577        if (ret)
 578                return ret;
 579
 580        cx_write(MO_GP3_IO, core->board.radio.gpio3);
 581        cx_write(MO_GP0_IO, core->board.radio.gpio0);
 582        cx_write(MO_GP1_IO, core->board.radio.gpio1);
 583        cx_write(MO_GP2_IO, core->board.radio.gpio2);
 584        if (core->board.radio.audioroute) {
 585                if (core->sd_wm8775) {
 586                        call_all(core, audio, s_routing,
 587                                 core->board.radio.audioroute, 0, 0);
 588                }
 589                /* "I2S ADC mode" */
 590                core->tvaudio = WW_I2SADC;
 591                cx88_set_tvaudio(core);
 592        } else {
 593                /* FM Mode */
 594                core->tvaudio = WW_FM;
 595                cx88_set_tvaudio(core);
 596                cx88_set_stereo(core, V4L2_TUNER_MODE_STEREO, 1);
 597        }
 598        call_all(core, tuner, s_radio);
 599        return 0;
 600}
 601
 602/* ------------------------------------------------------------------ */
 603/* VIDEO CTRL IOCTLS                                                  */
 604
 605static int cx8800_s_vid_ctrl(struct v4l2_ctrl *ctrl)
 606{
 607        struct cx88_core *core =
 608                container_of(ctrl->handler, struct cx88_core, video_hdl);
 609        const struct cx88_ctrl *cc = ctrl->priv;
 610        u32 value, mask;
 611
 612        mask = cc->mask;
 613        switch (ctrl->id) {
 614        case V4L2_CID_SATURATION:
 615                /* special v_sat handling */
 616
 617                value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 618
 619                if (core->tvnorm & V4L2_STD_SECAM) {
 620                        /* For SECAM, both U and V sat should be equal */
 621                        value = value << 8 | value;
 622                } else {
 623                        /* Keeps U Saturation proportional to V Sat */
 624                        value = (value * 0x5a) / 0x7f << 8 | value;
 625                }
 626                mask = 0xffff;
 627                break;
 628        case V4L2_CID_SHARPNESS:
 629                /* 0b000, 0b100, 0b101, 0b110, or 0b111 */
 630                value = (ctrl->val < 1 ? 0 : ((ctrl->val + 3) << 7));
 631                /* needs to be set for both fields */
 632                cx_andor(MO_FILTER_EVEN, mask, value);
 633                break;
 634        case V4L2_CID_CHROMA_AGC:
 635                value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 636                break;
 637        default:
 638                value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 639                break;
 640        }
 641        dprintk(1,
 642                "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 643                ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
 644                mask, cc->sreg ? " [shadowed]" : "");
 645        if (cc->sreg)
 646                cx_sandor(cc->sreg, cc->reg, mask, value);
 647        else
 648                cx_andor(cc->reg, mask, value);
 649        return 0;
 650}
 651
 652static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl)
 653{
 654        struct cx88_core *core =
 655                container_of(ctrl->handler, struct cx88_core, audio_hdl);
 656        const struct cx88_ctrl *cc = ctrl->priv;
 657        u32 value, mask;
 658
 659        /* Pass changes onto any WM8775 */
 660        if (core->sd_wm8775) {
 661                switch (ctrl->id) {
 662                case V4L2_CID_AUDIO_MUTE:
 663                        wm8775_s_ctrl(core, ctrl->id, ctrl->val);
 664                        break;
 665                case V4L2_CID_AUDIO_VOLUME:
 666                        wm8775_s_ctrl(core, ctrl->id, (ctrl->val) ?
 667                                                (0x90 + ctrl->val) << 8 : 0);
 668                        break;
 669                case V4L2_CID_AUDIO_BALANCE:
 670                        wm8775_s_ctrl(core, ctrl->id, ctrl->val << 9);
 671                        break;
 672                default:
 673                        break;
 674                }
 675        }
 676
 677        mask = cc->mask;
 678        switch (ctrl->id) {
 679        case V4L2_CID_AUDIO_BALANCE:
 680                value = (ctrl->val < 0x40) ?
 681                        (0x7f - ctrl->val) : (ctrl->val - 0x40);
 682                break;
 683        case V4L2_CID_AUDIO_VOLUME:
 684                value = 0x3f - (ctrl->val & 0x3f);
 685                break;
 686        default:
 687                value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
 688                break;
 689        }
 690        dprintk(1,
 691                "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
 692                ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
 693                mask, cc->sreg ? " [shadowed]" : "");
 694        if (cc->sreg)
 695                cx_sandor(cc->sreg, cc->reg, mask, value);
 696        else
 697                cx_andor(cc->reg, mask, value);
 698        return 0;
 699}
 700
 701/* ------------------------------------------------------------------ */
 702/* VIDEO IOCTLS                                                       */
 703
 704static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
 705                                struct v4l2_format *f)
 706{
 707        struct cx8800_dev *dev = video_drvdata(file);
 708        struct cx88_core *core = dev->core;
 709
 710        f->fmt.pix.width        = core->width;
 711        f->fmt.pix.height       = core->height;
 712        f->fmt.pix.field        = core->field;
 713        f->fmt.pix.pixelformat  = dev->fmt->fourcc;
 714        f->fmt.pix.bytesperline =
 715                (f->fmt.pix.width * dev->fmt->depth) >> 3;
 716        f->fmt.pix.sizeimage =
 717                f->fmt.pix.height * f->fmt.pix.bytesperline;
 718        f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
 719        return 0;
 720}
 721
 722static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 723                                  struct v4l2_format *f)
 724{
 725        struct cx8800_dev *dev = video_drvdata(file);
 726        struct cx88_core *core = dev->core;
 727        const struct cx8800_fmt *fmt;
 728        enum v4l2_field   field;
 729        unsigned int      maxw, maxh;
 730
 731        fmt = format_by_fourcc(f->fmt.pix.pixelformat);
 732        if (!fmt)
 733                return -EINVAL;
 734
 735        maxw = norm_maxw(core->tvnorm);
 736        maxh = norm_maxh(core->tvnorm);
 737
 738        field = f->fmt.pix.field;
 739
 740        switch (field) {
 741        case V4L2_FIELD_TOP:
 742        case V4L2_FIELD_BOTTOM:
 743        case V4L2_FIELD_INTERLACED:
 744        case V4L2_FIELD_SEQ_BT:
 745        case V4L2_FIELD_SEQ_TB:
 746                break;
 747        default:
 748                field = (f->fmt.pix.height > maxh / 2)
 749                        ? V4L2_FIELD_INTERLACED
 750                        : V4L2_FIELD_BOTTOM;
 751                break;
 752        }
 753        if (V4L2_FIELD_HAS_T_OR_B(field))
 754                maxh /= 2;
 755
 756        v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
 757                              &f->fmt.pix.height, 32, maxh, 0, 0);
 758        f->fmt.pix.field = field;
 759        f->fmt.pix.bytesperline =
 760                (f->fmt.pix.width * fmt->depth) >> 3;
 761        f->fmt.pix.sizeimage =
 762                f->fmt.pix.height * f->fmt.pix.bytesperline;
 763        f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
 764
 765        return 0;
 766}
 767
 768static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 769                                struct v4l2_format *f)
 770{
 771        struct cx8800_dev *dev = video_drvdata(file);
 772        struct cx88_core *core = dev->core;
 773        int err = vidioc_try_fmt_vid_cap(file, priv, f);
 774
 775        if (err != 0)
 776                return err;
 777        if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq))
 778                return -EBUSY;
 779        if (core->dvbdev && vb2_is_busy(&core->dvbdev->vb2_mpegq))
 780                return -EBUSY;
 781        dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
 782        core->width = f->fmt.pix.width;
 783        core->height = f->fmt.pix.height;
 784        core->field = f->fmt.pix.field;
 785        return 0;
 786}
 787
 788int cx88_querycap(struct file *file, struct cx88_core *core,
 789                  struct v4l2_capability *cap)
 790{
 791        strscpy(cap->card, core->board.name, sizeof(cap->card));
 792        cap->capabilities = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
 793                            V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VBI_CAPTURE |
 794                            V4L2_CAP_DEVICE_CAPS;
 795        if (core->board.tuner_type != UNSET)
 796                cap->capabilities |= V4L2_CAP_TUNER;
 797        if (core->board.radio.type == CX88_RADIO)
 798                cap->capabilities |= V4L2_CAP_RADIO;
 799        return 0;
 800}
 801EXPORT_SYMBOL(cx88_querycap);
 802
 803static int vidioc_querycap(struct file *file, void  *priv,
 804                           struct v4l2_capability *cap)
 805{
 806        struct cx8800_dev *dev = video_drvdata(file);
 807        struct cx88_core *core = dev->core;
 808
 809        strscpy(cap->driver, "cx8800", sizeof(cap->driver));
 810        sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
 811        return cx88_querycap(file, core, cap);
 812}
 813
 814static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
 815                                   struct v4l2_fmtdesc *f)
 816{
 817        if (unlikely(f->index >= ARRAY_SIZE(formats)))
 818                return -EINVAL;
 819
 820        f->pixelformat = formats[f->index].fourcc;
 821
 822        return 0;
 823}
 824
 825static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
 826{
 827        struct cx8800_dev *dev = video_drvdata(file);
 828        struct cx88_core *core = dev->core;
 829
 830        *tvnorm = core->tvnorm;
 831        return 0;
 832}
 833
 834static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
 835{
 836        struct cx8800_dev *dev = video_drvdata(file);
 837        struct cx88_core *core = dev->core;
 838
 839        return cx88_set_tvnorm(core, tvnorms);
 840}
 841
 842/* only one input in this sample driver */
 843int cx88_enum_input(struct cx88_core  *core, struct v4l2_input *i)
 844{
 845        static const char * const iname[] = {
 846                [CX88_VMUX_COMPOSITE1] = "Composite1",
 847                [CX88_VMUX_COMPOSITE2] = "Composite2",
 848                [CX88_VMUX_COMPOSITE3] = "Composite3",
 849                [CX88_VMUX_COMPOSITE4] = "Composite4",
 850                [CX88_VMUX_SVIDEO] = "S-Video",
 851                [CX88_VMUX_TELEVISION] = "Television",
 852                [CX88_VMUX_CABLE] = "Cable TV",
 853                [CX88_VMUX_DVB] = "DVB",
 854                [CX88_VMUX_DEBUG] = "for debug only",
 855        };
 856        unsigned int n = i->index;
 857
 858        if (n >= 4)
 859                return -EINVAL;
 860        if (!INPUT(n).type)
 861                return -EINVAL;
 862        i->type  = V4L2_INPUT_TYPE_CAMERA;
 863        strscpy(i->name, iname[INPUT(n).type], sizeof(i->name));
 864        if ((INPUT(n).type == CX88_VMUX_TELEVISION) ||
 865            (INPUT(n).type == CX88_VMUX_CABLE))
 866                i->type = V4L2_INPUT_TYPE_TUNER;
 867
 868        i->std = CX88_NORMS;
 869        return 0;
 870}
 871EXPORT_SYMBOL(cx88_enum_input);
 872
 873static int vidioc_enum_input(struct file *file, void *priv,
 874                             struct v4l2_input *i)
 875{
 876        struct cx8800_dev *dev = video_drvdata(file);
 877        struct cx88_core *core = dev->core;
 878
 879        return cx88_enum_input(core, i);
 880}
 881
 882static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
 883{
 884        struct cx8800_dev *dev = video_drvdata(file);
 885        struct cx88_core *core = dev->core;
 886
 887        *i = core->input;
 888        return 0;
 889}
 890
 891static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
 892{
 893        struct cx8800_dev *dev = video_drvdata(file);
 894        struct cx88_core *core = dev->core;
 895
 896        if (i >= 4)
 897                return -EINVAL;
 898        if (!INPUT(i).type)
 899                return -EINVAL;
 900
 901        cx88_newstation(core);
 902        cx88_video_mux(core, i);
 903        return 0;
 904}
 905
 906static int vidioc_g_tuner(struct file *file, void *priv,
 907                          struct v4l2_tuner *t)
 908{
 909        struct cx8800_dev *dev = video_drvdata(file);
 910        struct cx88_core *core = dev->core;
 911        u32 reg;
 912
 913        if (unlikely(core->board.tuner_type == UNSET))
 914                return -EINVAL;
 915        if (t->index != 0)
 916                return -EINVAL;
 917
 918        strscpy(t->name, "Television", sizeof(t->name));
 919        t->capability = V4L2_TUNER_CAP_NORM;
 920        t->rangehigh  = 0xffffffffUL;
 921        call_all(core, tuner, g_tuner, t);
 922
 923        cx88_get_stereo(core, t);
 924        reg = cx_read(MO_DEVICE_STATUS);
 925        t->signal = (reg & (1 << 5)) ? 0xffff : 0x0000;
 926        return 0;
 927}
 928
 929static int vidioc_s_tuner(struct file *file, void *priv,
 930                          const struct v4l2_tuner *t)
 931{
 932        struct cx8800_dev *dev = video_drvdata(file);
 933        struct cx88_core *core = dev->core;
 934
 935        if (core->board.tuner_type == UNSET)
 936                return -EINVAL;
 937        if (t->index != 0)
 938                return -EINVAL;
 939
 940        cx88_set_stereo(core, t->audmode, 1);
 941        return 0;
 942}
 943
 944static int vidioc_g_frequency(struct file *file, void *priv,
 945                              struct v4l2_frequency *f)
 946{
 947        struct cx8800_dev *dev = video_drvdata(file);
 948        struct cx88_core *core = dev->core;
 949
 950        if (unlikely(core->board.tuner_type == UNSET))
 951                return -EINVAL;
 952        if (f->tuner)
 953                return -EINVAL;
 954
 955        f->frequency = core->freq;
 956
 957        call_all(core, tuner, g_frequency, f);
 958
 959        return 0;
 960}
 961
 962int cx88_set_freq(struct cx88_core  *core,
 963                  const struct v4l2_frequency *f)
 964{
 965        struct v4l2_frequency new_freq = *f;
 966
 967        if (unlikely(core->board.tuner_type == UNSET))
 968                return -EINVAL;
 969        if (unlikely(f->tuner != 0))
 970                return -EINVAL;
 971
 972        cx88_newstation(core);
 973        call_all(core, tuner, s_frequency, f);
 974        call_all(core, tuner, g_frequency, &new_freq);
 975        core->freq = new_freq.frequency;
 976
 977        /* When changing channels it is required to reset TVAUDIO */
 978        usleep_range(10000, 20000);
 979        cx88_set_tvaudio(core);
 980
 981        return 0;
 982}
 983EXPORT_SYMBOL(cx88_set_freq);
 984
 985static int vidioc_s_frequency(struct file *file, void *priv,
 986                              const struct v4l2_frequency *f)
 987{
 988        struct cx8800_dev *dev = video_drvdata(file);
 989        struct cx88_core *core = dev->core;
 990
 991        return cx88_set_freq(core, f);
 992}
 993
 994#ifdef CONFIG_VIDEO_ADV_DEBUG
 995static int vidioc_g_register(struct file *file, void *fh,
 996                             struct v4l2_dbg_register *reg)
 997{
 998        struct cx8800_dev *dev = video_drvdata(file);
 999        struct cx88_core *core = dev->core;
1000
1001        /* cx2388x has a 24-bit register space */
1002        reg->val = cx_read(reg->reg & 0xfffffc);
1003        reg->size = 4;
1004        return 0;
1005}
1006
1007static int vidioc_s_register(struct file *file, void *fh,
1008                             const struct v4l2_dbg_register *reg)
1009{
1010        struct cx8800_dev *dev = video_drvdata(file);
1011        struct cx88_core *core = dev->core;
1012
1013        cx_write(reg->reg & 0xfffffc, reg->val);
1014        return 0;
1015}
1016#endif
1017
1018/* ----------------------------------------------------------- */
1019/* RADIO ESPECIFIC IOCTLS                                      */
1020/* ----------------------------------------------------------- */
1021
1022static int radio_g_tuner(struct file *file, void *priv,
1023                         struct v4l2_tuner *t)
1024{
1025        struct cx8800_dev *dev = video_drvdata(file);
1026        struct cx88_core *core = dev->core;
1027
1028        if (unlikely(t->index > 0))
1029                return -EINVAL;
1030
1031        strscpy(t->name, "Radio", sizeof(t->name));
1032
1033        call_all(core, tuner, g_tuner, t);
1034        return 0;
1035}
1036
1037static int radio_s_tuner(struct file *file, void *priv,
1038                         const struct v4l2_tuner *t)
1039{
1040        struct cx8800_dev *dev = video_drvdata(file);
1041        struct cx88_core *core = dev->core;
1042
1043        if (t->index != 0)
1044                return -EINVAL;
1045
1046        call_all(core, tuner, s_tuner, t);
1047        return 0;
1048}
1049
1050/* ----------------------------------------------------------- */
1051
1052static const char *cx88_vid_irqs[32] = {
1053        "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1054        "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1055        "y_oflow",  "u_oflow",  "v_oflow",  "vbi_oflow",
1056        "y_sync",   "u_sync",   "v_sync",   "vbi_sync",
1057        "opc_err",  "par_err",  "rip_err",  "pci_abort",
1058};
1059
1060static void cx8800_vid_irq(struct cx8800_dev *dev)
1061{
1062        struct cx88_core *core = dev->core;
1063        u32 status, mask, count;
1064
1065        status = cx_read(MO_VID_INTSTAT);
1066        mask   = cx_read(MO_VID_INTMSK);
1067        if (0 == (status & mask))
1068                return;
1069        cx_write(MO_VID_INTSTAT, status);
1070        if (irq_debug  ||  (status & mask & ~0xff))
1071                cx88_print_irqbits("irq vid",
1072                                   cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1073                                   status, mask);
1074
1075        /* risc op code error */
1076        if (status & (1 << 16)) {
1077                pr_warn("video risc op code error\n");
1078                cx_clear(MO_VID_DMACNTRL, 0x11);
1079                cx_clear(VID_CAPTURE_CONTROL, 0x06);
1080                cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1081        }
1082
1083        /* risc1 y */
1084        if (status & 0x01) {
1085                spin_lock(&dev->slock);
1086                count = cx_read(MO_VIDY_GPCNT);
1087                cx88_wakeup(core, &dev->vidq, count);
1088                spin_unlock(&dev->slock);
1089        }
1090
1091        /* risc1 vbi */
1092        if (status & 0x08) {
1093                spin_lock(&dev->slock);
1094                count = cx_read(MO_VBI_GPCNT);
1095                cx88_wakeup(core, &dev->vbiq, count);
1096                spin_unlock(&dev->slock);
1097        }
1098}
1099
1100static irqreturn_t cx8800_irq(int irq, void *dev_id)
1101{
1102        struct cx8800_dev *dev = dev_id;
1103        struct cx88_core *core = dev->core;
1104        u32 status;
1105        int loop, handled = 0;
1106
1107        for (loop = 0; loop < 10; loop++) {
1108                status = cx_read(MO_PCI_INTSTAT) &
1109                        (core->pci_irqmask | PCI_INT_VIDINT);
1110                if (status == 0)
1111                        goto out;
1112                cx_write(MO_PCI_INTSTAT, status);
1113                handled = 1;
1114
1115                if (status & core->pci_irqmask)
1116                        cx88_core_irq(core, status);
1117                if (status & PCI_INT_VIDINT)
1118                        cx8800_vid_irq(dev);
1119        }
1120        if (loop == 10) {
1121                pr_warn("irq loop -- clearing mask\n");
1122                cx_write(MO_PCI_INTMSK, 0);
1123        }
1124
1125 out:
1126        return IRQ_RETVAL(handled);
1127}
1128
1129/* ----------------------------------------------------------- */
1130/* exported stuff                                              */
1131
1132static const struct v4l2_file_operations video_fops = {
1133        .owner         = THIS_MODULE,
1134        .open          = v4l2_fh_open,
1135        .release       = vb2_fop_release,
1136        .read          = vb2_fop_read,
1137        .poll          = vb2_fop_poll,
1138        .mmap          = vb2_fop_mmap,
1139        .unlocked_ioctl = video_ioctl2,
1140};
1141
1142static const struct v4l2_ioctl_ops video_ioctl_ops = {
1143        .vidioc_querycap      = vidioc_querycap,
1144        .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1145        .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1146        .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1147        .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1148        .vidioc_reqbufs       = vb2_ioctl_reqbufs,
1149        .vidioc_querybuf      = vb2_ioctl_querybuf,
1150        .vidioc_qbuf          = vb2_ioctl_qbuf,
1151        .vidioc_dqbuf         = vb2_ioctl_dqbuf,
1152        .vidioc_g_std         = vidioc_g_std,
1153        .vidioc_s_std         = vidioc_s_std,
1154        .vidioc_enum_input    = vidioc_enum_input,
1155        .vidioc_g_input       = vidioc_g_input,
1156        .vidioc_s_input       = vidioc_s_input,
1157        .vidioc_streamon      = vb2_ioctl_streamon,
1158        .vidioc_streamoff     = vb2_ioctl_streamoff,
1159        .vidioc_g_tuner       = vidioc_g_tuner,
1160        .vidioc_s_tuner       = vidioc_s_tuner,
1161        .vidioc_g_frequency   = vidioc_g_frequency,
1162        .vidioc_s_frequency   = vidioc_s_frequency,
1163        .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1164        .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1165#ifdef CONFIG_VIDEO_ADV_DEBUG
1166        .vidioc_g_register    = vidioc_g_register,
1167        .vidioc_s_register    = vidioc_s_register,
1168#endif
1169};
1170
1171static const struct video_device cx8800_video_template = {
1172        .name                 = "cx8800-video",
1173        .fops                 = &video_fops,
1174        .ioctl_ops            = &video_ioctl_ops,
1175        .tvnorms              = CX88_NORMS,
1176};
1177
1178static const struct v4l2_ioctl_ops vbi_ioctl_ops = {
1179        .vidioc_querycap      = vidioc_querycap,
1180        .vidioc_g_fmt_vbi_cap     = cx8800_vbi_fmt,
1181        .vidioc_try_fmt_vbi_cap   = cx8800_vbi_fmt,
1182        .vidioc_s_fmt_vbi_cap     = cx8800_vbi_fmt,
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#ifdef CONFIG_VIDEO_ADV_DEBUG
1199        .vidioc_g_register    = vidioc_g_register,
1200        .vidioc_s_register    = vidioc_s_register,
1201#endif
1202};
1203
1204static const struct video_device cx8800_vbi_template = {
1205        .name                 = "cx8800-vbi",
1206        .fops                 = &video_fops,
1207        .ioctl_ops            = &vbi_ioctl_ops,
1208        .tvnorms              = CX88_NORMS,
1209};
1210
1211static const struct v4l2_file_operations radio_fops = {
1212        .owner         = THIS_MODULE,
1213        .open          = radio_open,
1214        .poll          = v4l2_ctrl_poll,
1215        .release       = v4l2_fh_release,
1216        .unlocked_ioctl = video_ioctl2,
1217};
1218
1219static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1220        .vidioc_querycap      = vidioc_querycap,
1221        .vidioc_g_tuner       = radio_g_tuner,
1222        .vidioc_s_tuner       = radio_s_tuner,
1223        .vidioc_g_frequency   = vidioc_g_frequency,
1224        .vidioc_s_frequency   = vidioc_s_frequency,
1225        .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1226        .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1227#ifdef CONFIG_VIDEO_ADV_DEBUG
1228        .vidioc_g_register    = vidioc_g_register,
1229        .vidioc_s_register    = vidioc_s_register,
1230#endif
1231};
1232
1233static const struct video_device cx8800_radio_template = {
1234        .name                 = "cx8800-radio",
1235        .fops                 = &radio_fops,
1236        .ioctl_ops            = &radio_ioctl_ops,
1237};
1238
1239static const struct v4l2_ctrl_ops cx8800_ctrl_vid_ops = {
1240        .s_ctrl = cx8800_s_vid_ctrl,
1241};
1242
1243static const struct v4l2_ctrl_ops cx8800_ctrl_aud_ops = {
1244        .s_ctrl = cx8800_s_aud_ctrl,
1245};
1246
1247/* ----------------------------------------------------------- */
1248
1249static void cx8800_unregister_video(struct cx8800_dev *dev)
1250{
1251        video_unregister_device(&dev->radio_dev);
1252        video_unregister_device(&dev->vbi_dev);
1253        video_unregister_device(&dev->video_dev);
1254}
1255
1256static int cx8800_initdev(struct pci_dev *pci_dev,
1257                          const struct pci_device_id *pci_id)
1258{
1259        struct cx8800_dev *dev;
1260        struct cx88_core *core;
1261        struct vb2_queue *q;
1262        int err;
1263        int i;
1264
1265        dev = kzalloc(sizeof(*dev), GFP_KERNEL);
1266        if (!dev)
1267                return -ENOMEM;
1268
1269        /* pci init */
1270        dev->pci = pci_dev;
1271        if (pci_enable_device(pci_dev)) {
1272                err = -EIO;
1273                goto fail_free;
1274        }
1275        core = cx88_core_get(dev->pci);
1276        if (!core) {
1277                err = -EINVAL;
1278                goto fail_disable;
1279        }
1280        dev->core = core;
1281
1282        /* print pci info */
1283        dev->pci_rev = pci_dev->revision;
1284        pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER,  &dev->pci_lat);
1285        pr_info("found at %s, rev: %d, irq: %d, latency: %d, mmio: 0x%llx\n",
1286                pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1287                dev->pci_lat,
1288                (unsigned long long)pci_resource_start(pci_dev, 0));
1289
1290        pci_set_master(pci_dev);
1291        err = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32));
1292        if (err) {
1293                pr_err("Oops: no 32bit PCI DMA ???\n");
1294                goto fail_core;
1295        }
1296
1297        /* initialize driver struct */
1298        spin_lock_init(&dev->slock);
1299
1300        /* init video dma queues */
1301        INIT_LIST_HEAD(&dev->vidq.active);
1302
1303        /* init vbi dma queues */
1304        INIT_LIST_HEAD(&dev->vbiq.active);
1305
1306        /* get irq */
1307        err = request_irq(pci_dev->irq, cx8800_irq,
1308                          IRQF_SHARED, core->name, dev);
1309        if (err < 0) {
1310                pr_err("can't get IRQ %d\n", pci_dev->irq);
1311                goto fail_core;
1312        }
1313        cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1314
1315        for (i = 0; i < CX8800_AUD_CTLS; i++) {
1316                const struct cx88_ctrl *cc = &cx8800_aud_ctls[i];
1317                struct v4l2_ctrl *vc;
1318
1319                vc = v4l2_ctrl_new_std(&core->audio_hdl, &cx8800_ctrl_aud_ops,
1320                                       cc->id, cc->minimum, cc->maximum,
1321                                       cc->step, cc->default_value);
1322                if (!vc) {
1323                        err = core->audio_hdl.error;
1324                        goto fail_irq;
1325                }
1326                vc->priv = (void *)cc;
1327        }
1328
1329        for (i = 0; i < CX8800_VID_CTLS; i++) {
1330                const struct cx88_ctrl *cc = &cx8800_vid_ctls[i];
1331                struct v4l2_ctrl *vc;
1332
1333                vc = v4l2_ctrl_new_std(&core->video_hdl, &cx8800_ctrl_vid_ops,
1334                                       cc->id, cc->minimum, cc->maximum,
1335                                       cc->step, cc->default_value);
1336                if (!vc) {
1337                        err = core->video_hdl.error;
1338                        goto fail_irq;
1339                }
1340                vc->priv = (void *)cc;
1341                if (vc->id == V4L2_CID_CHROMA_AGC)
1342                        core->chroma_agc = vc;
1343        }
1344        v4l2_ctrl_add_handler(&core->video_hdl, &core->audio_hdl, NULL, false);
1345
1346        /* load and configure helper modules */
1347
1348        if (core->board.audio_chip == CX88_AUDIO_WM8775) {
1349                struct i2c_board_info wm8775_info = {
1350                        .type = "wm8775",
1351                        .addr = 0x36 >> 1,
1352                        .platform_data = &core->wm8775_data,
1353                };
1354                struct v4l2_subdev *sd;
1355
1356                if (core->boardnr == CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1)
1357                        core->wm8775_data.is_nova_s = true;
1358                else
1359                        core->wm8775_data.is_nova_s = false;
1360
1361                sd = v4l2_i2c_new_subdev_board(&core->v4l2_dev, &core->i2c_adap,
1362                                               &wm8775_info, NULL);
1363                if (sd) {
1364                        core->sd_wm8775 = sd;
1365                        sd->grp_id = WM8775_GID;
1366                }
1367        }
1368
1369        if (core->board.audio_chip == CX88_AUDIO_TVAUDIO) {
1370                /*
1371                 * This probes for a tda9874 as is used on some
1372                 * Pixelview Ultra boards.
1373                 */
1374                v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
1375                                    "tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
1376        }
1377
1378        switch (core->boardnr) {
1379        case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1380        case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
1381                static const struct i2c_board_info rtc_info = {
1382                        I2C_BOARD_INFO("isl1208", 0x6f)
1383                };
1384
1385                request_module("rtc-isl1208");
1386                core->i2c_rtc = i2c_new_client_device(&core->i2c_adap, &rtc_info);
1387        }
1388                /* fall-through */
1389        case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
1390                request_module("ir-kbd-i2c");
1391        }
1392
1393        /* Sets device info at pci_dev */
1394        pci_set_drvdata(pci_dev, dev);
1395
1396        dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1397
1398        /* Maintain a reference so cx88-blackbird can query the 8800 device. */
1399        core->v4ldev = dev;
1400
1401        /* initial device configuration */
1402        mutex_lock(&core->lock);
1403        cx88_set_tvnorm(core, V4L2_STD_NTSC_M);
1404        v4l2_ctrl_handler_setup(&core->video_hdl);
1405        v4l2_ctrl_handler_setup(&core->audio_hdl);
1406        cx88_video_mux(core, 0);
1407
1408        q = &dev->vb2_vidq;
1409        q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1410        q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1411        q->gfp_flags = GFP_DMA32;
1412        q->min_buffers_needed = 2;
1413        q->drv_priv = dev;
1414        q->buf_struct_size = sizeof(struct cx88_buffer);
1415        q->ops = &cx8800_video_qops;
1416        q->mem_ops = &vb2_dma_sg_memops;
1417        q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1418        q->lock = &core->lock;
1419        q->dev = &dev->pci->dev;
1420
1421        err = vb2_queue_init(q);
1422        if (err < 0)
1423                goto fail_unreg;
1424
1425        q = &dev->vb2_vbiq;
1426        q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1427        q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1428        q->gfp_flags = GFP_DMA32;
1429        q->min_buffers_needed = 2;
1430        q->drv_priv = dev;
1431        q->buf_struct_size = sizeof(struct cx88_buffer);
1432        q->ops = &cx8800_vbi_qops;
1433        q->mem_ops = &vb2_dma_sg_memops;
1434        q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1435        q->lock = &core->lock;
1436        q->dev = &dev->pci->dev;
1437
1438        err = vb2_queue_init(q);
1439        if (err < 0)
1440                goto fail_unreg;
1441
1442        /* register v4l devices */
1443        cx88_vdev_init(core, dev->pci, &dev->video_dev,
1444                       &cx8800_video_template, "video");
1445        video_set_drvdata(&dev->video_dev, dev);
1446        dev->video_dev.ctrl_handler = &core->video_hdl;
1447        dev->video_dev.queue = &dev->vb2_vidq;
1448        dev->video_dev.device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1449                                     V4L2_CAP_VIDEO_CAPTURE;
1450        if (core->board.tuner_type != UNSET)
1451                dev->video_dev.device_caps |= V4L2_CAP_TUNER;
1452        err = video_register_device(&dev->video_dev, VFL_TYPE_VIDEO,
1453                                    video_nr[core->nr]);
1454        if (err < 0) {
1455                pr_err("can't register video device\n");
1456                goto fail_unreg;
1457        }
1458        pr_info("registered device %s [v4l2]\n",
1459                video_device_node_name(&dev->video_dev));
1460
1461        cx88_vdev_init(core, dev->pci, &dev->vbi_dev,
1462                       &cx8800_vbi_template, "vbi");
1463        video_set_drvdata(&dev->vbi_dev, dev);
1464        dev->vbi_dev.queue = &dev->vb2_vbiq;
1465        dev->vbi_dev.device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1466                                   V4L2_CAP_VBI_CAPTURE;
1467        if (core->board.tuner_type != UNSET)
1468                dev->vbi_dev.device_caps |= V4L2_CAP_TUNER;
1469        err = video_register_device(&dev->vbi_dev, VFL_TYPE_VBI,
1470                                    vbi_nr[core->nr]);
1471        if (err < 0) {
1472                pr_err("can't register vbi device\n");
1473                goto fail_unreg;
1474        }
1475        pr_info("registered device %s\n",
1476                video_device_node_name(&dev->vbi_dev));
1477
1478        if (core->board.radio.type == CX88_RADIO) {
1479                cx88_vdev_init(core, dev->pci, &dev->radio_dev,
1480                               &cx8800_radio_template, "radio");
1481                video_set_drvdata(&dev->radio_dev, dev);
1482                dev->radio_dev.ctrl_handler = &core->audio_hdl;
1483                dev->radio_dev.device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
1484                err = video_register_device(&dev->radio_dev, VFL_TYPE_RADIO,
1485                                            radio_nr[core->nr]);
1486                if (err < 0) {
1487                        pr_err("can't register radio device\n");
1488                        goto fail_unreg;
1489                }
1490                pr_info("registered device %s\n",
1491                        video_device_node_name(&dev->radio_dev));
1492        }
1493
1494        /* start tvaudio thread */
1495        if (core->board.tuner_type != UNSET) {
1496                core->kthread = kthread_run(cx88_audio_thread,
1497                                            core, "cx88 tvaudio");
1498                if (IS_ERR(core->kthread)) {
1499                        err = PTR_ERR(core->kthread);
1500                        pr_err("failed to create cx88 audio thread, err=%d\n",
1501                               err);
1502                }
1503        }
1504        mutex_unlock(&core->lock);
1505
1506        return 0;
1507
1508fail_unreg:
1509        cx8800_unregister_video(dev);
1510        mutex_unlock(&core->lock);
1511fail_irq:
1512        free_irq(pci_dev->irq, dev);
1513fail_core:
1514        core->v4ldev = NULL;
1515        cx88_core_put(core, dev->pci);
1516fail_disable:
1517        pci_disable_device(pci_dev);
1518fail_free:
1519        kfree(dev);
1520        return err;
1521}
1522
1523static void cx8800_finidev(struct pci_dev *pci_dev)
1524{
1525        struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1526        struct cx88_core *core = dev->core;
1527
1528        /* stop thread */
1529        if (core->kthread) {
1530                kthread_stop(core->kthread);
1531                core->kthread = NULL;
1532        }
1533
1534        if (core->ir)
1535                cx88_ir_stop(core);
1536
1537        cx88_shutdown(core); /* FIXME */
1538
1539        /* unregister stuff */
1540
1541        free_irq(pci_dev->irq, dev);
1542        cx8800_unregister_video(dev);
1543        pci_disable_device(pci_dev);
1544
1545        core->v4ldev = NULL;
1546
1547        /* free memory */
1548        cx88_core_put(core, dev->pci);
1549        kfree(dev);
1550}
1551
1552static int __maybe_unused cx8800_suspend(struct device *dev_d)
1553{
1554        struct cx8800_dev *dev = dev_get_drvdata(dev_d);
1555        struct cx88_core *core = dev->core;
1556        unsigned long flags;
1557
1558        /* stop video+vbi capture */
1559        spin_lock_irqsave(&dev->slock, flags);
1560        if (!list_empty(&dev->vidq.active)) {
1561                pr_info("suspend video\n");
1562                stop_video_dma(dev);
1563        }
1564        if (!list_empty(&dev->vbiq.active)) {
1565                pr_info("suspend vbi\n");
1566                cx8800_stop_vbi_dma(dev);
1567        }
1568        spin_unlock_irqrestore(&dev->slock, flags);
1569
1570        if (core->ir)
1571                cx88_ir_stop(core);
1572        /* FIXME -- shutdown device */
1573        cx88_shutdown(core);
1574
1575        dev->state.disabled = 1;
1576        return 0;
1577}
1578
1579static int __maybe_unused cx8800_resume(struct device *dev_d)
1580{
1581        struct cx8800_dev *dev = dev_get_drvdata(dev_d);
1582        struct cx88_core *core = dev->core;
1583        unsigned long flags;
1584
1585        dev->state.disabled = 0;
1586
1587        /* FIXME: re-initialize hardware */
1588        cx88_reset(core);
1589        if (core->ir)
1590                cx88_ir_start(core);
1591
1592        cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1593
1594        /* restart video+vbi capture */
1595        spin_lock_irqsave(&dev->slock, flags);
1596        if (!list_empty(&dev->vidq.active)) {
1597                pr_info("resume video\n");
1598                restart_video_queue(dev, &dev->vidq);
1599        }
1600        if (!list_empty(&dev->vbiq.active)) {
1601                pr_info("resume vbi\n");
1602                cx8800_restart_vbi_queue(dev, &dev->vbiq);
1603        }
1604        spin_unlock_irqrestore(&dev->slock, flags);
1605
1606        return 0;
1607}
1608
1609/* ----------------------------------------------------------- */
1610
1611static const struct pci_device_id cx8800_pci_tbl[] = {
1612        {
1613                .vendor       = 0x14f1,
1614                .device       = 0x8800,
1615                .subvendor    = PCI_ANY_ID,
1616                .subdevice    = PCI_ANY_ID,
1617        }, {
1618                /* --- end of list --- */
1619        }
1620};
1621MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
1622
1623static SIMPLE_DEV_PM_OPS(cx8800_pm_ops, cx8800_suspend, cx8800_resume);
1624
1625static struct pci_driver cx8800_pci_driver = {
1626        .name      = "cx8800",
1627        .id_table  = cx8800_pci_tbl,
1628        .probe     = cx8800_initdev,
1629        .remove    = cx8800_finidev,
1630        .driver.pm = &cx8800_pm_ops,
1631};
1632
1633module_pci_driver(cx8800_pci_driver);
1634