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