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 34 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards"); 35 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); 36 MODULE_LICENSE("GPL v2"); 37 MODULE_VERSION(CX88_VERSION); 38 39 /* ------------------------------------------------------------------ */ 40 41 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; 42 static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; 43 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; 44 45 module_param_array(video_nr, int, NULL, 0444); 46 module_param_array(vbi_nr, int, NULL, 0444); 47 module_param_array(radio_nr, int, NULL, 0444); 48 49 MODULE_PARM_DESC(video_nr, "video device numbers"); 50 MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); 51 MODULE_PARM_DESC(radio_nr, "radio device numbers"); 52 53 static unsigned int video_debug; 54 module_param(video_debug, int, 0644); 55 MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); 56 57 static unsigned int irq_debug; 58 module_param(irq_debug, int, 0644); 59 MODULE_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 70 static 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 }; 124 125 static 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 /* ------------------------------------------------------------------- */ 136 137 struct 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 }; 152 153 static 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 }; 240 241 static 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 }; 274 275 enum { 276 CX8800_VID_CTLS = ARRAY_SIZE(cx8800_vid_ctls), 277 CX8800_AUD_CTLS = ARRAY_SIZE(cx8800_aud_ctls), 278 }; 279 280 /* ------------------------------------------------------------------ */ 281 282 int 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 } 345 EXPORT_SYMBOL(cx88_video_mux); 346 347 /* ------------------------------------------------------------------ */ 348 349 static int start_video_dma(struct cx8800_dev *dev, 350 struct cx88_dmaqueue *q, 351 struct cx88_buffer *buf) 352 { 353 struct cx88_core *core = dev->core; 354 355 /* setup fifo + format */ 356 cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21], 357 buf->bpl, buf->risc.dma); 358 cx88_set_scale(core, core->width, core->height, core->field); 359 cx_write(MO_COLOR_CTRL, dev->fmt->cxformat | ColorFormatGamma); 360 361 /* reset counter */ 362 cx_write(MO_VIDY_GPCNTRL, GP_COUNT_CONTROL_RESET); 363 q->count = 0; 364 365 /* enable irqs */ 366 cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT); 367 368 /* 369 * Enables corresponding bits at PCI_INT_STAT: 370 * bits 0 to 4: video, audio, transport stream, VIP, Host 371 * bit 7: timer 372 * bits 8 and 9: DMA complete for: SRC, DST 373 * bits 10 and 11: BERR signal asserted for RISC: RD, WR 374 * bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB 375 */ 376 cx_set(MO_VID_INTMSK, 0x0f0011); 377 378 /* enable capture */ 379 cx_set(VID_CAPTURE_CONTROL, 0x06); 380 381 /* start dma */ 382 cx_set(MO_DEV_CNTRL2, (1 << 5)); 383 cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */ 384 385 return 0; 386 } 387 388 static 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 } 403 404 static 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 /* ------------------------------------------------------------------ */ 419 420 static 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 } 431 432 static 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 } 486 487 static 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 dma_free_coherent(&dev->pci->dev, risc->size, risc->cpu, 496 risc->dma); 497 memset(risc, 0, sizeof(*risc)); 498 } 499 500 static void buffer_queue(struct vb2_buffer *vb) 501 { 502 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 503 struct cx8800_dev *dev = vb->vb2_queue->drv_priv; 504 struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb); 505 struct cx88_buffer *prev; 506 struct cx88_dmaqueue *q = &dev->vidq; 507 508 /* add jump to start */ 509 buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 8); 510 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC); 511 buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 8); 512 513 if (list_empty(&q->active)) { 514 list_add_tail(&buf->list, &q->active); 515 dprintk(2, "[%p/%d] buffer_queue - first active\n", 516 buf, buf->vb.vb2_buf.index); 517 518 } else { 519 buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1); 520 prev = list_entry(q->active.prev, struct cx88_buffer, list); 521 list_add_tail(&buf->list, &q->active); 522 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); 523 dprintk(2, "[%p/%d] buffer_queue - append to active\n", 524 buf, buf->vb.vb2_buf.index); 525 } 526 } 527 528 static int start_streaming(struct vb2_queue *q, unsigned int count) 529 { 530 struct cx8800_dev *dev = q->drv_priv; 531 struct cx88_dmaqueue *dmaq = &dev->vidq; 532 struct cx88_buffer *buf = list_entry(dmaq->active.next, 533 struct cx88_buffer, list); 534 535 start_video_dma(dev, dmaq, buf); 536 return 0; 537 } 538 539 static void stop_streaming(struct vb2_queue *q) 540 { 541 struct cx8800_dev *dev = q->drv_priv; 542 struct cx88_core *core = dev->core; 543 struct cx88_dmaqueue *dmaq = &dev->vidq; 544 unsigned long flags; 545 546 cx_clear(MO_VID_DMACNTRL, 0x11); 547 cx_clear(VID_CAPTURE_CONTROL, 0x06); 548 spin_lock_irqsave(&dev->slock, flags); 549 while (!list_empty(&dmaq->active)) { 550 struct cx88_buffer *buf = list_entry(dmaq->active.next, 551 struct cx88_buffer, list); 552 553 list_del(&buf->list); 554 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); 555 } 556 spin_unlock_irqrestore(&dev->slock, flags); 557 } 558 559 static const struct vb2_ops cx8800_video_qops = { 560 .queue_setup = queue_setup, 561 .buf_prepare = buffer_prepare, 562 .buf_finish = buffer_finish, 563 .buf_queue = buffer_queue, 564 .wait_prepare = vb2_ops_wait_prepare, 565 .wait_finish = vb2_ops_wait_finish, 566 .start_streaming = start_streaming, 567 .stop_streaming = stop_streaming, 568 }; 569 570 /* ------------------------------------------------------------------ */ 571 572 static int radio_open(struct file *file) 573 { 574 struct cx8800_dev *dev = video_drvdata(file); 575 struct cx88_core *core = dev->core; 576 int ret = v4l2_fh_open(file); 577 578 if (ret) 579 return ret; 580 581 cx_write(MO_GP3_IO, core->board.radio.gpio3); 582 cx_write(MO_GP0_IO, core->board.radio.gpio0); 583 cx_write(MO_GP1_IO, core->board.radio.gpio1); 584 cx_write(MO_GP2_IO, core->board.radio.gpio2); 585 if (core->board.radio.audioroute) { 586 if (core->sd_wm8775) { 587 call_all(core, audio, s_routing, 588 core->board.radio.audioroute, 0, 0); 589 } 590 /* "I2S ADC mode" */ 591 core->tvaudio = WW_I2SADC; 592 cx88_set_tvaudio(core); 593 } else { 594 /* FM Mode */ 595 core->tvaudio = WW_FM; 596 cx88_set_tvaudio(core); 597 cx88_set_stereo(core, V4L2_TUNER_MODE_STEREO, 1); 598 } 599 call_all(core, tuner, s_radio); 600 return 0; 601 } 602 603 /* ------------------------------------------------------------------ */ 604 /* VIDEO CTRL IOCTLS */ 605 606 static int cx8800_s_vid_ctrl(struct v4l2_ctrl *ctrl) 607 { 608 struct cx88_core *core = 609 container_of(ctrl->handler, struct cx88_core, video_hdl); 610 const struct cx88_ctrl *cc = ctrl->priv; 611 u32 value, mask; 612 613 mask = cc->mask; 614 switch (ctrl->id) { 615 case V4L2_CID_SATURATION: 616 /* special v_sat handling */ 617 618 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask; 619 620 if (core->tvnorm & V4L2_STD_SECAM) { 621 /* For SECAM, both U and V sat should be equal */ 622 value = value << 8 | value; 623 } else { 624 /* Keeps U Saturation proportional to V Sat */ 625 value = (value * 0x5a) / 0x7f << 8 | value; 626 } 627 mask = 0xffff; 628 break; 629 case V4L2_CID_SHARPNESS: 630 /* 0b000, 0b100, 0b101, 0b110, or 0b111 */ 631 value = (ctrl->val < 1 ? 0 : ((ctrl->val + 3) << 7)); 632 /* needs to be set for both fields */ 633 cx_andor(MO_FILTER_EVEN, mask, value); 634 break; 635 case V4L2_CID_CHROMA_AGC: 636 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask; 637 break; 638 default: 639 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask; 640 break; 641 } 642 dprintk(1, 643 "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n", 644 ctrl->id, ctrl->name, ctrl->val, cc->reg, value, 645 mask, cc->sreg ? " [shadowed]" : ""); 646 if (cc->sreg) 647 cx_sandor(cc->sreg, cc->reg, mask, value); 648 else 649 cx_andor(cc->reg, mask, value); 650 return 0; 651 } 652 653 static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl) 654 { 655 struct cx88_core *core = 656 container_of(ctrl->handler, struct cx88_core, audio_hdl); 657 const struct cx88_ctrl *cc = ctrl->priv; 658 u32 value, mask; 659 660 /* Pass changes onto any WM8775 */ 661 if (core->sd_wm8775) { 662 switch (ctrl->id) { 663 case V4L2_CID_AUDIO_MUTE: 664 wm8775_s_ctrl(core, ctrl->id, ctrl->val); 665 break; 666 case V4L2_CID_AUDIO_VOLUME: 667 wm8775_s_ctrl(core, ctrl->id, (ctrl->val) ? 668 (0x90 + ctrl->val) << 8 : 0); 669 break; 670 case V4L2_CID_AUDIO_BALANCE: 671 wm8775_s_ctrl(core, ctrl->id, ctrl->val << 9); 672 break; 673 default: 674 break; 675 } 676 } 677 678 mask = cc->mask; 679 switch (ctrl->id) { 680 case V4L2_CID_AUDIO_BALANCE: 681 value = (ctrl->val < 0x40) ? 682 (0x7f - ctrl->val) : (ctrl->val - 0x40); 683 break; 684 case V4L2_CID_AUDIO_VOLUME: 685 value = 0x3f - (ctrl->val & 0x3f); 686 break; 687 default: 688 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask; 689 break; 690 } 691 dprintk(1, 692 "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n", 693 ctrl->id, ctrl->name, ctrl->val, cc->reg, value, 694 mask, cc->sreg ? " [shadowed]" : ""); 695 if (cc->sreg) 696 cx_sandor(cc->sreg, cc->reg, mask, value); 697 else 698 cx_andor(cc->reg, mask, value); 699 return 0; 700 } 701 702 /* ------------------------------------------------------------------ */ 703 /* VIDEO IOCTLS */ 704 705 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 706 struct v4l2_format *f) 707 { 708 struct cx8800_dev *dev = video_drvdata(file); 709 struct cx88_core *core = dev->core; 710 711 f->fmt.pix.width = core->width; 712 f->fmt.pix.height = core->height; 713 f->fmt.pix.field = core->field; 714 f->fmt.pix.pixelformat = dev->fmt->fourcc; 715 f->fmt.pix.bytesperline = 716 (f->fmt.pix.width * dev->fmt->depth) >> 3; 717 f->fmt.pix.sizeimage = 718 f->fmt.pix.height * f->fmt.pix.bytesperline; 719 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 720 return 0; 721 } 722 723 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 724 struct v4l2_format *f) 725 { 726 struct cx8800_dev *dev = video_drvdata(file); 727 struct cx88_core *core = dev->core; 728 const struct cx8800_fmt *fmt; 729 enum v4l2_field field; 730 unsigned int maxw, maxh; 731 732 fmt = format_by_fourcc(f->fmt.pix.pixelformat); 733 if (!fmt) 734 return -EINVAL; 735 736 maxw = norm_maxw(core->tvnorm); 737 maxh = norm_maxh(core->tvnorm); 738 739 field = f->fmt.pix.field; 740 741 switch (field) { 742 case V4L2_FIELD_TOP: 743 case V4L2_FIELD_BOTTOM: 744 case V4L2_FIELD_INTERLACED: 745 case V4L2_FIELD_SEQ_BT: 746 case V4L2_FIELD_SEQ_TB: 747 break; 748 default: 749 field = (f->fmt.pix.height > maxh / 2) 750 ? V4L2_FIELD_INTERLACED 751 : V4L2_FIELD_BOTTOM; 752 break; 753 } 754 if (V4L2_FIELD_HAS_T_OR_B(field)) 755 maxh /= 2; 756 757 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2, 758 &f->fmt.pix.height, 32, maxh, 0, 0); 759 f->fmt.pix.field = field; 760 f->fmt.pix.bytesperline = 761 (f->fmt.pix.width * fmt->depth) >> 3; 762 f->fmt.pix.sizeimage = 763 f->fmt.pix.height * f->fmt.pix.bytesperline; 764 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 765 766 return 0; 767 } 768 769 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 770 struct v4l2_format *f) 771 { 772 struct cx8800_dev *dev = video_drvdata(file); 773 struct cx88_core *core = dev->core; 774 int err = vidioc_try_fmt_vid_cap(file, priv, f); 775 776 if (err != 0) 777 return err; 778 if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq)) 779 return -EBUSY; 780 if (core->dvbdev && vb2_is_busy(&core->dvbdev->vb2_mpegq)) 781 return -EBUSY; 782 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat); 783 core->width = f->fmt.pix.width; 784 core->height = f->fmt.pix.height; 785 core->field = f->fmt.pix.field; 786 return 0; 787 } 788 789 int cx88_querycap(struct file *file, struct cx88_core *core, 790 struct v4l2_capability *cap) 791 { 792 strscpy(cap->card, core->board.name, sizeof(cap->card)); 793 cap->capabilities = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | 794 V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VBI_CAPTURE | 795 V4L2_CAP_DEVICE_CAPS; 796 if (core->board.tuner_type != UNSET) 797 cap->capabilities |= V4L2_CAP_TUNER; 798 if (core->board.radio.type == CX88_RADIO) 799 cap->capabilities |= V4L2_CAP_RADIO; 800 return 0; 801 } 802 EXPORT_SYMBOL(cx88_querycap); 803 804 static int vidioc_querycap(struct file *file, void *priv, 805 struct v4l2_capability *cap) 806 { 807 struct cx8800_dev *dev = video_drvdata(file); 808 struct cx88_core *core = dev->core; 809 810 strscpy(cap->driver, "cx8800", sizeof(cap->driver)); 811 return cx88_querycap(file, core, cap); 812 } 813 814 static 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 } 824 825 static 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 } 833 834 static 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 */ 843 int 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 } 871 EXPORT_SYMBOL(cx88_enum_input); 872 873 static 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 } 881 882 static 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 } 890 891 static 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 } 905 906 static 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 } 928 929 static 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 } 943 944 static 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 } 961 962 int 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 } 983 EXPORT_SYMBOL(cx88_set_freq); 984 985 static 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 995 static 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 1007 static 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 1022 static 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 1037 static 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 1052 static 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 1060 static 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 1100 static 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 1132 static 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 1142 static 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 1171 static 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 1178 static 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 1204 static 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 1211 static 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 1219 static 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 1233 static const struct video_device cx8800_radio_template = { 1234 .name = "cx8800-radio", 1235 .fops = &radio_fops, 1236 .ioctl_ops = &radio_ioctl_ops, 1237 }; 1238 1239 static const struct v4l2_ctrl_ops cx8800_ctrl_vid_ops = { 1240 .s_ctrl = cx8800_s_vid_ctrl, 1241 }; 1242 1243 static const struct v4l2_ctrl_ops cx8800_ctrl_aud_ops = { 1244 .s_ctrl = cx8800_s_aud_ctrl, 1245 }; 1246 1247 /* ----------------------------------------------------------- */ 1248 1249 static 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 1256 static 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 = dma_set_mask(&pci_dev->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 fallthrough; 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 1508 fail_unreg: 1509 cx8800_unregister_video(dev); 1510 mutex_unlock(&core->lock); 1511 fail_irq: 1512 free_irq(pci_dev->irq, dev); 1513 fail_core: 1514 core->v4ldev = NULL; 1515 cx88_core_put(core, dev->pci); 1516 fail_disable: 1517 pci_disable_device(pci_dev); 1518 fail_free: 1519 kfree(dev); 1520 return err; 1521 } 1522 1523 static 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 1552 static 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 1579 static 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 1611 static 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 }; 1621 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl); 1622 1623 static SIMPLE_DEV_PM_OPS(cx8800_pm_ops, cx8800_suspend, cx8800_resume); 1624 1625 static 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 1633 module_pci_driver(cx8800_pci_driver); 1634