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 #ifdef CONFIG_PM 389 static int stop_video_dma(struct cx8800_dev *dev) 390 { 391 struct cx88_core *core = dev->core; 392 393 /* stop dma */ 394 cx_clear(MO_VID_DMACNTRL, 0x11); 395 396 /* disable capture */ 397 cx_clear(VID_CAPTURE_CONTROL, 0x06); 398 399 /* disable irqs */ 400 cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT); 401 cx_clear(MO_VID_INTMSK, 0x0f0011); 402 return 0; 403 } 404 405 static int restart_video_queue(struct cx8800_dev *dev, 406 struct cx88_dmaqueue *q) 407 { 408 struct cx88_buffer *buf; 409 410 if (!list_empty(&q->active)) { 411 buf = list_entry(q->active.next, struct cx88_buffer, list); 412 dprintk(2, "restart_queue [%p/%d]: restart dma\n", 413 buf, buf->vb.vb2_buf.index); 414 start_video_dma(dev, q, buf); 415 } 416 return 0; 417 } 418 #endif 419 420 /* ------------------------------------------------------------------ */ 421 422 static int queue_setup(struct vb2_queue *q, 423 unsigned int *num_buffers, unsigned int *num_planes, 424 unsigned int sizes[], struct device *alloc_devs[]) 425 { 426 struct cx8800_dev *dev = q->drv_priv; 427 struct cx88_core *core = dev->core; 428 429 *num_planes = 1; 430 sizes[0] = (dev->fmt->depth * core->width * core->height) >> 3; 431 return 0; 432 } 433 434 static int buffer_prepare(struct vb2_buffer *vb) 435 { 436 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 437 struct cx8800_dev *dev = vb->vb2_queue->drv_priv; 438 struct cx88_core *core = dev->core; 439 struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb); 440 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0); 441 442 buf->bpl = core->width * dev->fmt->depth >> 3; 443 444 if (vb2_plane_size(vb, 0) < core->height * buf->bpl) 445 return -EINVAL; 446 vb2_set_plane_payload(vb, 0, core->height * buf->bpl); 447 448 switch (core->field) { 449 case V4L2_FIELD_TOP: 450 cx88_risc_buffer(dev->pci, &buf->risc, 451 sgt->sgl, 0, UNSET, 452 buf->bpl, 0, core->height); 453 break; 454 case V4L2_FIELD_BOTTOM: 455 cx88_risc_buffer(dev->pci, &buf->risc, 456 sgt->sgl, UNSET, 0, 457 buf->bpl, 0, core->height); 458 break; 459 case V4L2_FIELD_SEQ_TB: 460 cx88_risc_buffer(dev->pci, &buf->risc, 461 sgt->sgl, 462 0, buf->bpl * (core->height >> 1), 463 buf->bpl, 0, 464 core->height >> 1); 465 break; 466 case V4L2_FIELD_SEQ_BT: 467 cx88_risc_buffer(dev->pci, &buf->risc, 468 sgt->sgl, 469 buf->bpl * (core->height >> 1), 0, 470 buf->bpl, 0, 471 core->height >> 1); 472 break; 473 case V4L2_FIELD_INTERLACED: 474 default: 475 cx88_risc_buffer(dev->pci, &buf->risc, 476 sgt->sgl, 0, buf->bpl, 477 buf->bpl, buf->bpl, 478 core->height >> 1); 479 break; 480 } 481 dprintk(2, 482 "[%p/%d] %s - %dx%d %dbpp 0x%08x - dma=0x%08lx\n", 483 buf, buf->vb.vb2_buf.index, __func__, 484 core->width, core->height, dev->fmt->depth, dev->fmt->fourcc, 485 (unsigned long)buf->risc.dma); 486 return 0; 487 } 488 489 static void buffer_finish(struct vb2_buffer *vb) 490 { 491 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 492 struct cx8800_dev *dev = vb->vb2_queue->drv_priv; 493 struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb); 494 struct cx88_riscmem *risc = &buf->risc; 495 496 if (risc->cpu) 497 pci_free_consistent(dev->pci, risc->size, risc->cpu, risc->dma); 498 memset(risc, 0, sizeof(*risc)); 499 } 500 501 static void buffer_queue(struct vb2_buffer *vb) 502 { 503 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 504 struct cx8800_dev *dev = vb->vb2_queue->drv_priv; 505 struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb); 506 struct cx88_buffer *prev; 507 struct cx88_dmaqueue *q = &dev->vidq; 508 509 /* add jump to start */ 510 buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 8); 511 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC); 512 buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 8); 513 514 if (list_empty(&q->active)) { 515 list_add_tail(&buf->list, &q->active); 516 dprintk(2, "[%p/%d] buffer_queue - first active\n", 517 buf, buf->vb.vb2_buf.index); 518 519 } else { 520 buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1); 521 prev = list_entry(q->active.prev, struct cx88_buffer, list); 522 list_add_tail(&buf->list, &q->active); 523 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); 524 dprintk(2, "[%p/%d] buffer_queue - append to active\n", 525 buf, buf->vb.vb2_buf.index); 526 } 527 } 528 529 static int start_streaming(struct vb2_queue *q, unsigned int count) 530 { 531 struct cx8800_dev *dev = q->drv_priv; 532 struct cx88_dmaqueue *dmaq = &dev->vidq; 533 struct cx88_buffer *buf = list_entry(dmaq->active.next, 534 struct cx88_buffer, list); 535 536 start_video_dma(dev, dmaq, buf); 537 return 0; 538 } 539 540 static void stop_streaming(struct vb2_queue *q) 541 { 542 struct cx8800_dev *dev = q->drv_priv; 543 struct cx88_core *core = dev->core; 544 struct cx88_dmaqueue *dmaq = &dev->vidq; 545 unsigned long flags; 546 547 cx_clear(MO_VID_DMACNTRL, 0x11); 548 cx_clear(VID_CAPTURE_CONTROL, 0x06); 549 spin_lock_irqsave(&dev->slock, flags); 550 while (!list_empty(&dmaq->active)) { 551 struct cx88_buffer *buf = list_entry(dmaq->active.next, 552 struct cx88_buffer, list); 553 554 list_del(&buf->list); 555 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); 556 } 557 spin_unlock_irqrestore(&dev->slock, flags); 558 } 559 560 static const struct vb2_ops cx8800_video_qops = { 561 .queue_setup = queue_setup, 562 .buf_prepare = buffer_prepare, 563 .buf_finish = buffer_finish, 564 .buf_queue = buffer_queue, 565 .wait_prepare = vb2_ops_wait_prepare, 566 .wait_finish = vb2_ops_wait_finish, 567 .start_streaming = start_streaming, 568 .stop_streaming = stop_streaming, 569 }; 570 571 /* ------------------------------------------------------------------ */ 572 573 static int radio_open(struct file *file) 574 { 575 struct cx8800_dev *dev = video_drvdata(file); 576 struct cx88_core *core = dev->core; 577 int ret = v4l2_fh_open(file); 578 579 if (ret) 580 return ret; 581 582 cx_write(MO_GP3_IO, core->board.radio.gpio3); 583 cx_write(MO_GP0_IO, core->board.radio.gpio0); 584 cx_write(MO_GP1_IO, core->board.radio.gpio1); 585 cx_write(MO_GP2_IO, core->board.radio.gpio2); 586 if (core->board.radio.audioroute) { 587 if (core->sd_wm8775) { 588 call_all(core, audio, s_routing, 589 core->board.radio.audioroute, 0, 0); 590 } 591 /* "I2S ADC mode" */ 592 core->tvaudio = WW_I2SADC; 593 cx88_set_tvaudio(core); 594 } else { 595 /* FM Mode */ 596 core->tvaudio = WW_FM; 597 cx88_set_tvaudio(core); 598 cx88_set_stereo(core, V4L2_TUNER_MODE_STEREO, 1); 599 } 600 call_all(core, tuner, s_radio); 601 return 0; 602 } 603 604 /* ------------------------------------------------------------------ */ 605 /* VIDEO CTRL IOCTLS */ 606 607 static int cx8800_s_vid_ctrl(struct v4l2_ctrl *ctrl) 608 { 609 struct cx88_core *core = 610 container_of(ctrl->handler, struct cx88_core, video_hdl); 611 const struct cx88_ctrl *cc = ctrl->priv; 612 u32 value, mask; 613 614 mask = cc->mask; 615 switch (ctrl->id) { 616 case V4L2_CID_SATURATION: 617 /* special v_sat handling */ 618 619 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask; 620 621 if (core->tvnorm & V4L2_STD_SECAM) { 622 /* For SECAM, both U and V sat should be equal */ 623 value = value << 8 | value; 624 } else { 625 /* Keeps U Saturation proportional to V Sat */ 626 value = (value * 0x5a) / 0x7f << 8 | value; 627 } 628 mask = 0xffff; 629 break; 630 case V4L2_CID_SHARPNESS: 631 /* 0b000, 0b100, 0b101, 0b110, or 0b111 */ 632 value = (ctrl->val < 1 ? 0 : ((ctrl->val + 3) << 7)); 633 /* needs to be set for both fields */ 634 cx_andor(MO_FILTER_EVEN, mask, value); 635 break; 636 case V4L2_CID_CHROMA_AGC: 637 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask; 638 break; 639 default: 640 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask; 641 break; 642 } 643 dprintk(1, 644 "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n", 645 ctrl->id, ctrl->name, ctrl->val, cc->reg, value, 646 mask, cc->sreg ? " [shadowed]" : ""); 647 if (cc->sreg) 648 cx_sandor(cc->sreg, cc->reg, mask, value); 649 else 650 cx_andor(cc->reg, mask, value); 651 return 0; 652 } 653 654 static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl) 655 { 656 struct cx88_core *core = 657 container_of(ctrl->handler, struct cx88_core, audio_hdl); 658 const struct cx88_ctrl *cc = ctrl->priv; 659 u32 value, mask; 660 661 /* Pass changes onto any WM8775 */ 662 if (core->sd_wm8775) { 663 switch (ctrl->id) { 664 case V4L2_CID_AUDIO_MUTE: 665 wm8775_s_ctrl(core, ctrl->id, ctrl->val); 666 break; 667 case V4L2_CID_AUDIO_VOLUME: 668 wm8775_s_ctrl(core, ctrl->id, (ctrl->val) ? 669 (0x90 + ctrl->val) << 8 : 0); 670 break; 671 case V4L2_CID_AUDIO_BALANCE: 672 wm8775_s_ctrl(core, ctrl->id, ctrl->val << 9); 673 break; 674 default: 675 break; 676 } 677 } 678 679 mask = cc->mask; 680 switch (ctrl->id) { 681 case V4L2_CID_AUDIO_BALANCE: 682 value = (ctrl->val < 0x40) ? 683 (0x7f - ctrl->val) : (ctrl->val - 0x40); 684 break; 685 case V4L2_CID_AUDIO_VOLUME: 686 value = 0x3f - (ctrl->val & 0x3f); 687 break; 688 default: 689 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask; 690 break; 691 } 692 dprintk(1, 693 "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n", 694 ctrl->id, ctrl->name, ctrl->val, cc->reg, value, 695 mask, cc->sreg ? " [shadowed]" : ""); 696 if (cc->sreg) 697 cx_sandor(cc->sreg, cc->reg, mask, value); 698 else 699 cx_andor(cc->reg, mask, value); 700 return 0; 701 } 702 703 /* ------------------------------------------------------------------ */ 704 /* VIDEO IOCTLS */ 705 706 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 707 struct v4l2_format *f) 708 { 709 struct cx8800_dev *dev = video_drvdata(file); 710 struct cx88_core *core = dev->core; 711 712 f->fmt.pix.width = core->width; 713 f->fmt.pix.height = core->height; 714 f->fmt.pix.field = core->field; 715 f->fmt.pix.pixelformat = dev->fmt->fourcc; 716 f->fmt.pix.bytesperline = 717 (f->fmt.pix.width * dev->fmt->depth) >> 3; 718 f->fmt.pix.sizeimage = 719 f->fmt.pix.height * f->fmt.pix.bytesperline; 720 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 721 return 0; 722 } 723 724 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 725 struct v4l2_format *f) 726 { 727 struct cx8800_dev *dev = video_drvdata(file); 728 struct cx88_core *core = dev->core; 729 const struct cx8800_fmt *fmt; 730 enum v4l2_field field; 731 unsigned int maxw, maxh; 732 733 fmt = format_by_fourcc(f->fmt.pix.pixelformat); 734 if (!fmt) 735 return -EINVAL; 736 737 maxw = norm_maxw(core->tvnorm); 738 maxh = norm_maxh(core->tvnorm); 739 740 field = f->fmt.pix.field; 741 742 switch (field) { 743 case V4L2_FIELD_TOP: 744 case V4L2_FIELD_BOTTOM: 745 case V4L2_FIELD_INTERLACED: 746 case V4L2_FIELD_SEQ_BT: 747 case V4L2_FIELD_SEQ_TB: 748 break; 749 default: 750 field = (f->fmt.pix.height > maxh / 2) 751 ? V4L2_FIELD_INTERLACED 752 : V4L2_FIELD_BOTTOM; 753 break; 754 } 755 if (V4L2_FIELD_HAS_T_OR_B(field)) 756 maxh /= 2; 757 758 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2, 759 &f->fmt.pix.height, 32, maxh, 0, 0); 760 f->fmt.pix.field = field; 761 f->fmt.pix.bytesperline = 762 (f->fmt.pix.width * fmt->depth) >> 3; 763 f->fmt.pix.sizeimage = 764 f->fmt.pix.height * f->fmt.pix.bytesperline; 765 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 766 767 return 0; 768 } 769 770 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 771 struct v4l2_format *f) 772 { 773 struct cx8800_dev *dev = video_drvdata(file); 774 struct cx88_core *core = dev->core; 775 int err = vidioc_try_fmt_vid_cap(file, priv, f); 776 777 if (err != 0) 778 return err; 779 if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq)) 780 return -EBUSY; 781 if (core->dvbdev && vb2_is_busy(&core->dvbdev->vb2_mpegq)) 782 return -EBUSY; 783 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat); 784 core->width = f->fmt.pix.width; 785 core->height = f->fmt.pix.height; 786 core->field = f->fmt.pix.field; 787 return 0; 788 } 789 790 int cx88_querycap(struct file *file, struct cx88_core *core, 791 struct v4l2_capability *cap) 792 { 793 strscpy(cap->card, core->board.name, sizeof(cap->card)); 794 cap->capabilities = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | 795 V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VBI_CAPTURE | 796 V4L2_CAP_DEVICE_CAPS; 797 if (core->board.tuner_type != UNSET) 798 cap->capabilities |= V4L2_CAP_TUNER; 799 if (core->board.radio.type == CX88_RADIO) 800 cap->capabilities |= V4L2_CAP_RADIO; 801 return 0; 802 } 803 EXPORT_SYMBOL(cx88_querycap); 804 805 static int vidioc_querycap(struct file *file, void *priv, 806 struct v4l2_capability *cap) 807 { 808 struct cx8800_dev *dev = video_drvdata(file); 809 struct cx88_core *core = dev->core; 810 811 strscpy(cap->driver, "cx8800", sizeof(cap->driver)); 812 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci)); 813 return cx88_querycap(file, core, cap); 814 } 815 816 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 817 struct v4l2_fmtdesc *f) 818 { 819 if (unlikely(f->index >= ARRAY_SIZE(formats))) 820 return -EINVAL; 821 822 f->pixelformat = formats[f->index].fourcc; 823 824 return 0; 825 } 826 827 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm) 828 { 829 struct cx8800_dev *dev = video_drvdata(file); 830 struct cx88_core *core = dev->core; 831 832 *tvnorm = core->tvnorm; 833 return 0; 834 } 835 836 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms) 837 { 838 struct cx8800_dev *dev = video_drvdata(file); 839 struct cx88_core *core = dev->core; 840 841 return cx88_set_tvnorm(core, tvnorms); 842 } 843 844 /* only one input in this sample driver */ 845 int cx88_enum_input(struct cx88_core *core, struct v4l2_input *i) 846 { 847 static const char * const iname[] = { 848 [CX88_VMUX_COMPOSITE1] = "Composite1", 849 [CX88_VMUX_COMPOSITE2] = "Composite2", 850 [CX88_VMUX_COMPOSITE3] = "Composite3", 851 [CX88_VMUX_COMPOSITE4] = "Composite4", 852 [CX88_VMUX_SVIDEO] = "S-Video", 853 [CX88_VMUX_TELEVISION] = "Television", 854 [CX88_VMUX_CABLE] = "Cable TV", 855 [CX88_VMUX_DVB] = "DVB", 856 [CX88_VMUX_DEBUG] = "for debug only", 857 }; 858 unsigned int n = i->index; 859 860 if (n >= 4) 861 return -EINVAL; 862 if (!INPUT(n).type) 863 return -EINVAL; 864 i->type = V4L2_INPUT_TYPE_CAMERA; 865 strscpy(i->name, iname[INPUT(n).type], sizeof(i->name)); 866 if ((INPUT(n).type == CX88_VMUX_TELEVISION) || 867 (INPUT(n).type == CX88_VMUX_CABLE)) 868 i->type = V4L2_INPUT_TYPE_TUNER; 869 870 i->std = CX88_NORMS; 871 return 0; 872 } 873 EXPORT_SYMBOL(cx88_enum_input); 874 875 static int vidioc_enum_input(struct file *file, void *priv, 876 struct v4l2_input *i) 877 { 878 struct cx8800_dev *dev = video_drvdata(file); 879 struct cx88_core *core = dev->core; 880 881 return cx88_enum_input(core, i); 882 } 883 884 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) 885 { 886 struct cx8800_dev *dev = video_drvdata(file); 887 struct cx88_core *core = dev->core; 888 889 *i = core->input; 890 return 0; 891 } 892 893 static int vidioc_s_input(struct file *file, void *priv, unsigned int i) 894 { 895 struct cx8800_dev *dev = video_drvdata(file); 896 struct cx88_core *core = dev->core; 897 898 if (i >= 4) 899 return -EINVAL; 900 if (!INPUT(i).type) 901 return -EINVAL; 902 903 cx88_newstation(core); 904 cx88_video_mux(core, i); 905 return 0; 906 } 907 908 static int vidioc_g_tuner(struct file *file, void *priv, 909 struct v4l2_tuner *t) 910 { 911 struct cx8800_dev *dev = video_drvdata(file); 912 struct cx88_core *core = dev->core; 913 u32 reg; 914 915 if (unlikely(core->board.tuner_type == UNSET)) 916 return -EINVAL; 917 if (t->index != 0) 918 return -EINVAL; 919 920 strscpy(t->name, "Television", sizeof(t->name)); 921 t->capability = V4L2_TUNER_CAP_NORM; 922 t->rangehigh = 0xffffffffUL; 923 call_all(core, tuner, g_tuner, t); 924 925 cx88_get_stereo(core, t); 926 reg = cx_read(MO_DEVICE_STATUS); 927 t->signal = (reg & (1 << 5)) ? 0xffff : 0x0000; 928 return 0; 929 } 930 931 static int vidioc_s_tuner(struct file *file, void *priv, 932 const struct v4l2_tuner *t) 933 { 934 struct cx8800_dev *dev = video_drvdata(file); 935 struct cx88_core *core = dev->core; 936 937 if (core->board.tuner_type == UNSET) 938 return -EINVAL; 939 if (t->index != 0) 940 return -EINVAL; 941 942 cx88_set_stereo(core, t->audmode, 1); 943 return 0; 944 } 945 946 static int vidioc_g_frequency(struct file *file, void *priv, 947 struct v4l2_frequency *f) 948 { 949 struct cx8800_dev *dev = video_drvdata(file); 950 struct cx88_core *core = dev->core; 951 952 if (unlikely(core->board.tuner_type == UNSET)) 953 return -EINVAL; 954 if (f->tuner) 955 return -EINVAL; 956 957 f->frequency = core->freq; 958 959 call_all(core, tuner, g_frequency, f); 960 961 return 0; 962 } 963 964 int cx88_set_freq(struct cx88_core *core, 965 const struct v4l2_frequency *f) 966 { 967 struct v4l2_frequency new_freq = *f; 968 969 if (unlikely(core->board.tuner_type == UNSET)) 970 return -EINVAL; 971 if (unlikely(f->tuner != 0)) 972 return -EINVAL; 973 974 cx88_newstation(core); 975 call_all(core, tuner, s_frequency, f); 976 call_all(core, tuner, g_frequency, &new_freq); 977 core->freq = new_freq.frequency; 978 979 /* When changing channels it is required to reset TVAUDIO */ 980 usleep_range(10000, 20000); 981 cx88_set_tvaudio(core); 982 983 return 0; 984 } 985 EXPORT_SYMBOL(cx88_set_freq); 986 987 static int vidioc_s_frequency(struct file *file, void *priv, 988 const struct v4l2_frequency *f) 989 { 990 struct cx8800_dev *dev = video_drvdata(file); 991 struct cx88_core *core = dev->core; 992 993 return cx88_set_freq(core, f); 994 } 995 996 #ifdef CONFIG_VIDEO_ADV_DEBUG 997 static int vidioc_g_register(struct file *file, void *fh, 998 struct v4l2_dbg_register *reg) 999 { 1000 struct cx8800_dev *dev = video_drvdata(file); 1001 struct cx88_core *core = dev->core; 1002 1003 /* cx2388x has a 24-bit register space */ 1004 reg->val = cx_read(reg->reg & 0xfffffc); 1005 reg->size = 4; 1006 return 0; 1007 } 1008 1009 static int vidioc_s_register(struct file *file, void *fh, 1010 const struct v4l2_dbg_register *reg) 1011 { 1012 struct cx8800_dev *dev = video_drvdata(file); 1013 struct cx88_core *core = dev->core; 1014 1015 cx_write(reg->reg & 0xfffffc, reg->val); 1016 return 0; 1017 } 1018 #endif 1019 1020 /* ----------------------------------------------------------- */ 1021 /* RADIO ESPECIFIC IOCTLS */ 1022 /* ----------------------------------------------------------- */ 1023 1024 static int radio_g_tuner(struct file *file, void *priv, 1025 struct v4l2_tuner *t) 1026 { 1027 struct cx8800_dev *dev = video_drvdata(file); 1028 struct cx88_core *core = dev->core; 1029 1030 if (unlikely(t->index > 0)) 1031 return -EINVAL; 1032 1033 strscpy(t->name, "Radio", sizeof(t->name)); 1034 1035 call_all(core, tuner, g_tuner, t); 1036 return 0; 1037 } 1038 1039 static int radio_s_tuner(struct file *file, void *priv, 1040 const struct v4l2_tuner *t) 1041 { 1042 struct cx8800_dev *dev = video_drvdata(file); 1043 struct cx88_core *core = dev->core; 1044 1045 if (t->index != 0) 1046 return -EINVAL; 1047 1048 call_all(core, tuner, s_tuner, t); 1049 return 0; 1050 } 1051 1052 /* ----------------------------------------------------------- */ 1053 1054 static const char *cx88_vid_irqs[32] = { 1055 "y_risci1", "u_risci1", "v_risci1", "vbi_risc1", 1056 "y_risci2", "u_risci2", "v_risci2", "vbi_risc2", 1057 "y_oflow", "u_oflow", "v_oflow", "vbi_oflow", 1058 "y_sync", "u_sync", "v_sync", "vbi_sync", 1059 "opc_err", "par_err", "rip_err", "pci_abort", 1060 }; 1061 1062 static void cx8800_vid_irq(struct cx8800_dev *dev) 1063 { 1064 struct cx88_core *core = dev->core; 1065 u32 status, mask, count; 1066 1067 status = cx_read(MO_VID_INTSTAT); 1068 mask = cx_read(MO_VID_INTMSK); 1069 if (0 == (status & mask)) 1070 return; 1071 cx_write(MO_VID_INTSTAT, status); 1072 if (irq_debug || (status & mask & ~0xff)) 1073 cx88_print_irqbits("irq vid", 1074 cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs), 1075 status, mask); 1076 1077 /* risc op code error */ 1078 if (status & (1 << 16)) { 1079 pr_warn("video risc op code error\n"); 1080 cx_clear(MO_VID_DMACNTRL, 0x11); 1081 cx_clear(VID_CAPTURE_CONTROL, 0x06); 1082 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]); 1083 } 1084 1085 /* risc1 y */ 1086 if (status & 0x01) { 1087 spin_lock(&dev->slock); 1088 count = cx_read(MO_VIDY_GPCNT); 1089 cx88_wakeup(core, &dev->vidq, count); 1090 spin_unlock(&dev->slock); 1091 } 1092 1093 /* risc1 vbi */ 1094 if (status & 0x08) { 1095 spin_lock(&dev->slock); 1096 count = cx_read(MO_VBI_GPCNT); 1097 cx88_wakeup(core, &dev->vbiq, count); 1098 spin_unlock(&dev->slock); 1099 } 1100 } 1101 1102 static irqreturn_t cx8800_irq(int irq, void *dev_id) 1103 { 1104 struct cx8800_dev *dev = dev_id; 1105 struct cx88_core *core = dev->core; 1106 u32 status; 1107 int loop, handled = 0; 1108 1109 for (loop = 0; loop < 10; loop++) { 1110 status = cx_read(MO_PCI_INTSTAT) & 1111 (core->pci_irqmask | PCI_INT_VIDINT); 1112 if (status == 0) 1113 goto out; 1114 cx_write(MO_PCI_INTSTAT, status); 1115 handled = 1; 1116 1117 if (status & core->pci_irqmask) 1118 cx88_core_irq(core, status); 1119 if (status & PCI_INT_VIDINT) 1120 cx8800_vid_irq(dev); 1121 } 1122 if (loop == 10) { 1123 pr_warn("irq loop -- clearing mask\n"); 1124 cx_write(MO_PCI_INTMSK, 0); 1125 } 1126 1127 out: 1128 return IRQ_RETVAL(handled); 1129 } 1130 1131 /* ----------------------------------------------------------- */ 1132 /* exported stuff */ 1133 1134 static const struct v4l2_file_operations video_fops = { 1135 .owner = THIS_MODULE, 1136 .open = v4l2_fh_open, 1137 .release = vb2_fop_release, 1138 .read = vb2_fop_read, 1139 .poll = vb2_fop_poll, 1140 .mmap = vb2_fop_mmap, 1141 .unlocked_ioctl = video_ioctl2, 1142 }; 1143 1144 static const struct v4l2_ioctl_ops video_ioctl_ops = { 1145 .vidioc_querycap = vidioc_querycap, 1146 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 1147 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 1148 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 1149 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 1150 .vidioc_reqbufs = vb2_ioctl_reqbufs, 1151 .vidioc_querybuf = vb2_ioctl_querybuf, 1152 .vidioc_qbuf = vb2_ioctl_qbuf, 1153 .vidioc_dqbuf = vb2_ioctl_dqbuf, 1154 .vidioc_g_std = vidioc_g_std, 1155 .vidioc_s_std = vidioc_s_std, 1156 .vidioc_enum_input = vidioc_enum_input, 1157 .vidioc_g_input = vidioc_g_input, 1158 .vidioc_s_input = vidioc_s_input, 1159 .vidioc_streamon = vb2_ioctl_streamon, 1160 .vidioc_streamoff = vb2_ioctl_streamoff, 1161 .vidioc_g_tuner = vidioc_g_tuner, 1162 .vidioc_s_tuner = vidioc_s_tuner, 1163 .vidioc_g_frequency = vidioc_g_frequency, 1164 .vidioc_s_frequency = vidioc_s_frequency, 1165 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 1166 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1167 #ifdef CONFIG_VIDEO_ADV_DEBUG 1168 .vidioc_g_register = vidioc_g_register, 1169 .vidioc_s_register = vidioc_s_register, 1170 #endif 1171 }; 1172 1173 static const struct video_device cx8800_video_template = { 1174 .name = "cx8800-video", 1175 .fops = &video_fops, 1176 .ioctl_ops = &video_ioctl_ops, 1177 .tvnorms = CX88_NORMS, 1178 }; 1179 1180 static const struct v4l2_ioctl_ops vbi_ioctl_ops = { 1181 .vidioc_querycap = vidioc_querycap, 1182 .vidioc_g_fmt_vbi_cap = cx8800_vbi_fmt, 1183 .vidioc_try_fmt_vbi_cap = cx8800_vbi_fmt, 1184 .vidioc_s_fmt_vbi_cap = cx8800_vbi_fmt, 1185 .vidioc_reqbufs = vb2_ioctl_reqbufs, 1186 .vidioc_querybuf = vb2_ioctl_querybuf, 1187 .vidioc_qbuf = vb2_ioctl_qbuf, 1188 .vidioc_dqbuf = vb2_ioctl_dqbuf, 1189 .vidioc_g_std = vidioc_g_std, 1190 .vidioc_s_std = vidioc_s_std, 1191 .vidioc_enum_input = vidioc_enum_input, 1192 .vidioc_g_input = vidioc_g_input, 1193 .vidioc_s_input = vidioc_s_input, 1194 .vidioc_streamon = vb2_ioctl_streamon, 1195 .vidioc_streamoff = vb2_ioctl_streamoff, 1196 .vidioc_g_tuner = vidioc_g_tuner, 1197 .vidioc_s_tuner = vidioc_s_tuner, 1198 .vidioc_g_frequency = vidioc_g_frequency, 1199 .vidioc_s_frequency = vidioc_s_frequency, 1200 #ifdef CONFIG_VIDEO_ADV_DEBUG 1201 .vidioc_g_register = vidioc_g_register, 1202 .vidioc_s_register = vidioc_s_register, 1203 #endif 1204 }; 1205 1206 static const struct video_device cx8800_vbi_template = { 1207 .name = "cx8800-vbi", 1208 .fops = &video_fops, 1209 .ioctl_ops = &vbi_ioctl_ops, 1210 .tvnorms = CX88_NORMS, 1211 }; 1212 1213 static const struct v4l2_file_operations radio_fops = { 1214 .owner = THIS_MODULE, 1215 .open = radio_open, 1216 .poll = v4l2_ctrl_poll, 1217 .release = v4l2_fh_release, 1218 .unlocked_ioctl = video_ioctl2, 1219 }; 1220 1221 static const struct v4l2_ioctl_ops radio_ioctl_ops = { 1222 .vidioc_querycap = vidioc_querycap, 1223 .vidioc_g_tuner = radio_g_tuner, 1224 .vidioc_s_tuner = radio_s_tuner, 1225 .vidioc_g_frequency = vidioc_g_frequency, 1226 .vidioc_s_frequency = vidioc_s_frequency, 1227 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 1228 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1229 #ifdef CONFIG_VIDEO_ADV_DEBUG 1230 .vidioc_g_register = vidioc_g_register, 1231 .vidioc_s_register = vidioc_s_register, 1232 #endif 1233 }; 1234 1235 static const struct video_device cx8800_radio_template = { 1236 .name = "cx8800-radio", 1237 .fops = &radio_fops, 1238 .ioctl_ops = &radio_ioctl_ops, 1239 }; 1240 1241 static const struct v4l2_ctrl_ops cx8800_ctrl_vid_ops = { 1242 .s_ctrl = cx8800_s_vid_ctrl, 1243 }; 1244 1245 static const struct v4l2_ctrl_ops cx8800_ctrl_aud_ops = { 1246 .s_ctrl = cx8800_s_aud_ctrl, 1247 }; 1248 1249 /* ----------------------------------------------------------- */ 1250 1251 static void cx8800_unregister_video(struct cx8800_dev *dev) 1252 { 1253 video_unregister_device(&dev->radio_dev); 1254 video_unregister_device(&dev->vbi_dev); 1255 video_unregister_device(&dev->video_dev); 1256 } 1257 1258 static int cx8800_initdev(struct pci_dev *pci_dev, 1259 const struct pci_device_id *pci_id) 1260 { 1261 struct cx8800_dev *dev; 1262 struct cx88_core *core; 1263 struct vb2_queue *q; 1264 int err; 1265 int i; 1266 1267 dev = kzalloc(sizeof(*dev), GFP_KERNEL); 1268 if (!dev) 1269 return -ENOMEM; 1270 1271 /* pci init */ 1272 dev->pci = pci_dev; 1273 if (pci_enable_device(pci_dev)) { 1274 err = -EIO; 1275 goto fail_free; 1276 } 1277 core = cx88_core_get(dev->pci); 1278 if (!core) { 1279 err = -EINVAL; 1280 goto fail_free; 1281 } 1282 dev->core = core; 1283 1284 /* print pci info */ 1285 dev->pci_rev = pci_dev->revision; 1286 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat); 1287 pr_info("found at %s, rev: %d, irq: %d, latency: %d, mmio: 0x%llx\n", 1288 pci_name(pci_dev), dev->pci_rev, pci_dev->irq, 1289 dev->pci_lat, 1290 (unsigned long long)pci_resource_start(pci_dev, 0)); 1291 1292 pci_set_master(pci_dev); 1293 err = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32)); 1294 if (err) { 1295 pr_err("Oops: no 32bit PCI DMA ???\n"); 1296 goto fail_core; 1297 } 1298 1299 /* initialize driver struct */ 1300 spin_lock_init(&dev->slock); 1301 1302 /* init video dma queues */ 1303 INIT_LIST_HEAD(&dev->vidq.active); 1304 1305 /* init vbi dma queues */ 1306 INIT_LIST_HEAD(&dev->vbiq.active); 1307 1308 /* get irq */ 1309 err = request_irq(pci_dev->irq, cx8800_irq, 1310 IRQF_SHARED, core->name, dev); 1311 if (err < 0) { 1312 pr_err("can't get IRQ %d\n", pci_dev->irq); 1313 goto fail_core; 1314 } 1315 cx_set(MO_PCI_INTMSK, core->pci_irqmask); 1316 1317 for (i = 0; i < CX8800_AUD_CTLS; i++) { 1318 const struct cx88_ctrl *cc = &cx8800_aud_ctls[i]; 1319 struct v4l2_ctrl *vc; 1320 1321 vc = v4l2_ctrl_new_std(&core->audio_hdl, &cx8800_ctrl_aud_ops, 1322 cc->id, cc->minimum, cc->maximum, 1323 cc->step, cc->default_value); 1324 if (!vc) { 1325 err = core->audio_hdl.error; 1326 goto fail_core; 1327 } 1328 vc->priv = (void *)cc; 1329 } 1330 1331 for (i = 0; i < CX8800_VID_CTLS; i++) { 1332 const struct cx88_ctrl *cc = &cx8800_vid_ctls[i]; 1333 struct v4l2_ctrl *vc; 1334 1335 vc = v4l2_ctrl_new_std(&core->video_hdl, &cx8800_ctrl_vid_ops, 1336 cc->id, cc->minimum, cc->maximum, 1337 cc->step, cc->default_value); 1338 if (!vc) { 1339 err = core->video_hdl.error; 1340 goto fail_core; 1341 } 1342 vc->priv = (void *)cc; 1343 if (vc->id == V4L2_CID_CHROMA_AGC) 1344 core->chroma_agc = vc; 1345 } 1346 v4l2_ctrl_add_handler(&core->video_hdl, &core->audio_hdl, NULL, false); 1347 1348 /* load and configure helper modules */ 1349 1350 if (core->board.audio_chip == CX88_AUDIO_WM8775) { 1351 struct i2c_board_info wm8775_info = { 1352 .type = "wm8775", 1353 .addr = 0x36 >> 1, 1354 .platform_data = &core->wm8775_data, 1355 }; 1356 struct v4l2_subdev *sd; 1357 1358 if (core->boardnr == CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1) 1359 core->wm8775_data.is_nova_s = true; 1360 else 1361 core->wm8775_data.is_nova_s = false; 1362 1363 sd = v4l2_i2c_new_subdev_board(&core->v4l2_dev, &core->i2c_adap, 1364 &wm8775_info, NULL); 1365 if (sd) { 1366 core->sd_wm8775 = sd; 1367 sd->grp_id = WM8775_GID; 1368 } 1369 } 1370 1371 if (core->board.audio_chip == CX88_AUDIO_TVAUDIO) { 1372 /* 1373 * This probes for a tda9874 as is used on some 1374 * Pixelview Ultra boards. 1375 */ 1376 v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap, 1377 "tvaudio", 0, I2C_ADDRS(0xb0 >> 1)); 1378 } 1379 1380 switch (core->boardnr) { 1381 case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD: 1382 case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: { 1383 static const struct i2c_board_info rtc_info = { 1384 I2C_BOARD_INFO("isl1208", 0x6f) 1385 }; 1386 1387 request_module("rtc-isl1208"); 1388 core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info); 1389 } 1390 /* fall-through */ 1391 case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO: 1392 request_module("ir-kbd-i2c"); 1393 } 1394 1395 /* Sets device info at pci_dev */ 1396 pci_set_drvdata(pci_dev, dev); 1397 1398 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); 1399 1400 /* Maintain a reference so cx88-blackbird can query the 8800 device. */ 1401 core->v4ldev = dev; 1402 1403 /* initial device configuration */ 1404 mutex_lock(&core->lock); 1405 cx88_set_tvnorm(core, V4L2_STD_NTSC_M); 1406 v4l2_ctrl_handler_setup(&core->video_hdl); 1407 v4l2_ctrl_handler_setup(&core->audio_hdl); 1408 cx88_video_mux(core, 0); 1409 1410 q = &dev->vb2_vidq; 1411 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1412 q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ; 1413 q->gfp_flags = GFP_DMA32; 1414 q->min_buffers_needed = 2; 1415 q->drv_priv = dev; 1416 q->buf_struct_size = sizeof(struct cx88_buffer); 1417 q->ops = &cx8800_video_qops; 1418 q->mem_ops = &vb2_dma_sg_memops; 1419 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1420 q->lock = &core->lock; 1421 q->dev = &dev->pci->dev; 1422 1423 err = vb2_queue_init(q); 1424 if (err < 0) 1425 goto fail_unreg; 1426 1427 q = &dev->vb2_vbiq; 1428 q->type = V4L2_BUF_TYPE_VBI_CAPTURE; 1429 q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ; 1430 q->gfp_flags = GFP_DMA32; 1431 q->min_buffers_needed = 2; 1432 q->drv_priv = dev; 1433 q->buf_struct_size = sizeof(struct cx88_buffer); 1434 q->ops = &cx8800_vbi_qops; 1435 q->mem_ops = &vb2_dma_sg_memops; 1436 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1437 q->lock = &core->lock; 1438 q->dev = &dev->pci->dev; 1439 1440 err = vb2_queue_init(q); 1441 if (err < 0) 1442 goto fail_unreg; 1443 1444 /* register v4l devices */ 1445 cx88_vdev_init(core, dev->pci, &dev->video_dev, 1446 &cx8800_video_template, "video"); 1447 video_set_drvdata(&dev->video_dev, dev); 1448 dev->video_dev.ctrl_handler = &core->video_hdl; 1449 dev->video_dev.queue = &dev->vb2_vidq; 1450 dev->video_dev.device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | 1451 V4L2_CAP_VIDEO_CAPTURE; 1452 if (core->board.tuner_type != UNSET) 1453 dev->video_dev.device_caps |= V4L2_CAP_TUNER; 1454 err = video_register_device(&dev->video_dev, VFL_TYPE_GRABBER, 1455 video_nr[core->nr]); 1456 if (err < 0) { 1457 pr_err("can't register video device\n"); 1458 goto fail_unreg; 1459 } 1460 pr_info("registered device %s [v4l2]\n", 1461 video_device_node_name(&dev->video_dev)); 1462 1463 cx88_vdev_init(core, dev->pci, &dev->vbi_dev, 1464 &cx8800_vbi_template, "vbi"); 1465 video_set_drvdata(&dev->vbi_dev, dev); 1466 dev->vbi_dev.queue = &dev->vb2_vbiq; 1467 dev->vbi_dev.device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | 1468 V4L2_CAP_VBI_CAPTURE; 1469 if (core->board.tuner_type != UNSET) 1470 dev->vbi_dev.device_caps |= V4L2_CAP_TUNER; 1471 err = video_register_device(&dev->vbi_dev, VFL_TYPE_VBI, 1472 vbi_nr[core->nr]); 1473 if (err < 0) { 1474 pr_err("can't register vbi device\n"); 1475 goto fail_unreg; 1476 } 1477 pr_info("registered device %s\n", 1478 video_device_node_name(&dev->vbi_dev)); 1479 1480 if (core->board.radio.type == CX88_RADIO) { 1481 cx88_vdev_init(core, dev->pci, &dev->radio_dev, 1482 &cx8800_radio_template, "radio"); 1483 video_set_drvdata(&dev->radio_dev, dev); 1484 dev->radio_dev.ctrl_handler = &core->audio_hdl; 1485 dev->radio_dev.device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER; 1486 err = video_register_device(&dev->radio_dev, VFL_TYPE_RADIO, 1487 radio_nr[core->nr]); 1488 if (err < 0) { 1489 pr_err("can't register radio device\n"); 1490 goto fail_unreg; 1491 } 1492 pr_info("registered device %s\n", 1493 video_device_node_name(&dev->radio_dev)); 1494 } 1495 1496 /* start tvaudio thread */ 1497 if (core->board.tuner_type != UNSET) { 1498 core->kthread = kthread_run(cx88_audio_thread, 1499 core, "cx88 tvaudio"); 1500 if (IS_ERR(core->kthread)) { 1501 err = PTR_ERR(core->kthread); 1502 pr_err("failed to create cx88 audio thread, err=%d\n", 1503 err); 1504 } 1505 } 1506 mutex_unlock(&core->lock); 1507 1508 return 0; 1509 1510 fail_unreg: 1511 cx8800_unregister_video(dev); 1512 free_irq(pci_dev->irq, dev); 1513 mutex_unlock(&core->lock); 1514 fail_core: 1515 core->v4ldev = NULL; 1516 cx88_core_put(core, dev->pci); 1517 fail_free: 1518 kfree(dev); 1519 return err; 1520 } 1521 1522 static void cx8800_finidev(struct pci_dev *pci_dev) 1523 { 1524 struct cx8800_dev *dev = pci_get_drvdata(pci_dev); 1525 struct cx88_core *core = dev->core; 1526 1527 /* stop thread */ 1528 if (core->kthread) { 1529 kthread_stop(core->kthread); 1530 core->kthread = NULL; 1531 } 1532 1533 if (core->ir) 1534 cx88_ir_stop(core); 1535 1536 cx88_shutdown(core); /* FIXME */ 1537 1538 /* unregister stuff */ 1539 1540 free_irq(pci_dev->irq, dev); 1541 cx8800_unregister_video(dev); 1542 pci_disable_device(pci_dev); 1543 1544 core->v4ldev = NULL; 1545 1546 /* free memory */ 1547 cx88_core_put(core, dev->pci); 1548 kfree(dev); 1549 } 1550 1551 #ifdef CONFIG_PM 1552 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state) 1553 { 1554 struct cx8800_dev *dev = pci_get_drvdata(pci_dev); 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 pci_save_state(pci_dev); 1576 if (pci_set_power_state(pci_dev, 1577 pci_choose_state(pci_dev, state)) != 0) { 1578 pci_disable_device(pci_dev); 1579 dev->state.disabled = 1; 1580 } 1581 return 0; 1582 } 1583 1584 static int cx8800_resume(struct pci_dev *pci_dev) 1585 { 1586 struct cx8800_dev *dev = pci_get_drvdata(pci_dev); 1587 struct cx88_core *core = dev->core; 1588 unsigned long flags; 1589 int err; 1590 1591 if (dev->state.disabled) { 1592 err = pci_enable_device(pci_dev); 1593 if (err) { 1594 pr_err("can't enable device\n"); 1595 return err; 1596 } 1597 1598 dev->state.disabled = 0; 1599 } 1600 err = pci_set_power_state(pci_dev, PCI_D0); 1601 if (err) { 1602 pr_err("can't set power state\n"); 1603 pci_disable_device(pci_dev); 1604 dev->state.disabled = 1; 1605 1606 return err; 1607 } 1608 pci_restore_state(pci_dev); 1609 1610 /* FIXME: re-initialize hardware */ 1611 cx88_reset(core); 1612 if (core->ir) 1613 cx88_ir_start(core); 1614 1615 cx_set(MO_PCI_INTMSK, core->pci_irqmask); 1616 1617 /* restart video+vbi capture */ 1618 spin_lock_irqsave(&dev->slock, flags); 1619 if (!list_empty(&dev->vidq.active)) { 1620 pr_info("resume video\n"); 1621 restart_video_queue(dev, &dev->vidq); 1622 } 1623 if (!list_empty(&dev->vbiq.active)) { 1624 pr_info("resume vbi\n"); 1625 cx8800_restart_vbi_queue(dev, &dev->vbiq); 1626 } 1627 spin_unlock_irqrestore(&dev->slock, flags); 1628 1629 return 0; 1630 } 1631 #endif 1632 1633 /* ----------------------------------------------------------- */ 1634 1635 static const struct pci_device_id cx8800_pci_tbl[] = { 1636 { 1637 .vendor = 0x14f1, 1638 .device = 0x8800, 1639 .subvendor = PCI_ANY_ID, 1640 .subdevice = PCI_ANY_ID, 1641 }, { 1642 /* --- end of list --- */ 1643 } 1644 }; 1645 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl); 1646 1647 static struct pci_driver cx8800_pci_driver = { 1648 .name = "cx8800", 1649 .id_table = cx8800_pci_tbl, 1650 .probe = cx8800_initdev, 1651 .remove = cx8800_finidev, 1652 #ifdef CONFIG_PM 1653 .suspend = cx8800_suspend, 1654 .resume = cx8800_resume, 1655 #endif 1656 }; 1657 1658 module_pci_driver(cx8800_pci_driver); 1659