1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Driver for the Conexant CX23885 PCIe bridge 4 * 5 * Copyright (c) 2007 Steven Toth <stoth@linuxtv.org> 6 */ 7 8 #include "cx23885.h" 9 #include "cx23885-video.h" 10 11 #include <linux/init.h> 12 #include <linux/list.h> 13 #include <linux/module.h> 14 #include <linux/moduleparam.h> 15 #include <linux/kmod.h> 16 #include <linux/kernel.h> 17 #include <linux/slab.h> 18 #include <linux/interrupt.h> 19 #include <linux/delay.h> 20 #include <linux/kthread.h> 21 #include <asm/div64.h> 22 23 #include <media/v4l2-common.h> 24 #include <media/v4l2-ioctl.h> 25 #include <media/v4l2-event.h> 26 #include "cx23885-ioctl.h" 27 #include "tuner-xc2028.h" 28 29 #include <media/drv-intf/cx25840.h> 30 31 MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards"); 32 MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>"); 33 MODULE_LICENSE("GPL"); 34 35 /* ------------------------------------------------------------------ */ 36 37 static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; 38 static unsigned int vbi_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; 39 40 module_param_array(video_nr, int, NULL, 0444); 41 module_param_array(vbi_nr, int, NULL, 0444); 42 43 MODULE_PARM_DESC(video_nr, "video device numbers"); 44 MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); 45 46 static unsigned int video_debug; 47 module_param(video_debug, int, 0644); 48 MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); 49 50 static unsigned int irq_debug; 51 module_param(irq_debug, int, 0644); 52 MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]"); 53 54 static unsigned int vid_limit = 16; 55 module_param(vid_limit, int, 0644); 56 MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); 57 58 #define dprintk(level, fmt, arg...)\ 59 do { if (video_debug >= level)\ 60 printk(KERN_DEBUG pr_fmt("%s: video:" fmt), \ 61 __func__, ##arg); \ 62 } while (0) 63 64 /* ------------------------------------------------------------------- */ 65 /* static data */ 66 67 #define FORMAT_FLAGS_PACKED 0x01 68 static struct cx23885_fmt formats[] = { 69 { 70 .fourcc = V4L2_PIX_FMT_YUYV, 71 .depth = 16, 72 .flags = FORMAT_FLAGS_PACKED, 73 } 74 }; 75 76 static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc) 77 { 78 unsigned int i; 79 80 for (i = 0; i < ARRAY_SIZE(formats); i++) 81 if (formats[i].fourcc == fourcc) 82 return formats+i; 83 return NULL; 84 } 85 86 /* ------------------------------------------------------------------- */ 87 88 void cx23885_video_wakeup(struct cx23885_dev *dev, 89 struct cx23885_dmaqueue *q, u32 count) 90 { 91 struct cx23885_buffer *buf; 92 93 if (list_empty(&q->active)) 94 return; 95 buf = list_entry(q->active.next, 96 struct cx23885_buffer, queue); 97 98 buf->vb.sequence = q->count++; 99 buf->vb.vb2_buf.timestamp = ktime_get_ns(); 100 dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, 101 buf->vb.vb2_buf.index, count, q->count); 102 list_del(&buf->queue); 103 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE); 104 } 105 106 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm) 107 { 108 struct v4l2_subdev_format format = { 109 .which = V4L2_SUBDEV_FORMAT_ACTIVE, 110 .format.code = MEDIA_BUS_FMT_FIXED, 111 }; 112 113 dprintk(1, "%s(norm = 0x%08x) name: [%s]\n", 114 __func__, 115 (unsigned int)norm, 116 v4l2_norm_to_name(norm)); 117 118 if (dev->tvnorm == norm) 119 return 0; 120 121 if (dev->tvnorm != norm) { 122 if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) || 123 vb2_is_busy(&dev->vb2_mpegq)) 124 return -EBUSY; 125 } 126 127 dev->tvnorm = norm; 128 dev->width = 720; 129 dev->height = norm_maxh(norm); 130 dev->field = V4L2_FIELD_INTERLACED; 131 132 call_all(dev, video, s_std, norm); 133 134 format.format.width = dev->width; 135 format.format.height = dev->height; 136 format.format.field = dev->field; 137 call_all(dev, pad, set_fmt, NULL, &format); 138 139 return 0; 140 } 141 142 static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev, 143 struct pci_dev *pci, 144 struct video_device *template, 145 char *type) 146 { 147 struct video_device *vfd; 148 dprintk(1, "%s()\n", __func__); 149 150 vfd = video_device_alloc(); 151 if (NULL == vfd) 152 return NULL; 153 *vfd = *template; 154 vfd->v4l2_dev = &dev->v4l2_dev; 155 vfd->release = video_device_release; 156 vfd->lock = &dev->lock; 157 snprintf(vfd->name, sizeof(vfd->name), "%s (%s)", 158 cx23885_boards[dev->board].name, type); 159 video_set_drvdata(vfd, dev); 160 return vfd; 161 } 162 163 int cx23885_flatiron_write(struct cx23885_dev *dev, u8 reg, u8 data) 164 { 165 /* 8 bit registers, 8 bit values */ 166 u8 buf[] = { reg, data }; 167 168 struct i2c_msg msg = { .addr = 0x98 >> 1, 169 .flags = 0, .buf = buf, .len = 2 }; 170 171 return i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg, 1); 172 } 173 174 u8 cx23885_flatiron_read(struct cx23885_dev *dev, u8 reg) 175 { 176 /* 8 bit registers, 8 bit values */ 177 int ret; 178 u8 b0[] = { reg }; 179 u8 b1[] = { 0 }; 180 181 struct i2c_msg msg[] = { 182 { .addr = 0x98 >> 1, .flags = 0, .buf = b0, .len = 1 }, 183 { .addr = 0x98 >> 1, .flags = I2C_M_RD, .buf = b1, .len = 1 } 184 }; 185 186 ret = i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg[0], 2); 187 if (ret != 2) 188 pr_err("%s() error\n", __func__); 189 190 return b1[0]; 191 } 192 193 static void cx23885_flatiron_dump(struct cx23885_dev *dev) 194 { 195 int i; 196 dprintk(1, "Flatiron dump\n"); 197 for (i = 0; i < 0x24; i++) { 198 dprintk(1, "FI[%02x] = %02x\n", i, 199 cx23885_flatiron_read(dev, i)); 200 } 201 } 202 203 static int cx23885_flatiron_mux(struct cx23885_dev *dev, int input) 204 { 205 u8 val; 206 dprintk(1, "%s(input = %d)\n", __func__, input); 207 208 if (input == 1) 209 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) & ~FLD_CH_SEL; 210 else if (input == 2) 211 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) | FLD_CH_SEL; 212 else 213 return -EINVAL; 214 215 val |= 0x20; /* Enable clock to delta-sigma and dec filter */ 216 217 cx23885_flatiron_write(dev, CH_PWR_CTRL1, val); 218 219 /* Wake up */ 220 cx23885_flatiron_write(dev, CH_PWR_CTRL2, 0); 221 222 if (video_debug) 223 cx23885_flatiron_dump(dev); 224 225 return 0; 226 } 227 228 static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input) 229 { 230 dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n", 231 __func__, 232 input, INPUT(input)->vmux, 233 INPUT(input)->gpio0, INPUT(input)->gpio1, 234 INPUT(input)->gpio2, INPUT(input)->gpio3); 235 dev->input = input; 236 237 if (dev->board == CX23885_BOARD_MYGICA_X8506 || 238 dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2 || 239 dev->board == CX23885_BOARD_MYGICA_X8507) { 240 /* Select Analog TV */ 241 if (INPUT(input)->type == CX23885_VMUX_TELEVISION) 242 cx23885_gpio_clear(dev, GPIO_0); 243 } 244 245 /* Tell the internal A/V decoder */ 246 v4l2_subdev_call(dev->sd_cx25840, video, s_routing, 247 INPUT(input)->vmux, 0, 0); 248 249 if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1800) || 250 (dev->board == CX23885_BOARD_MPX885) || 251 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1250) || 252 (dev->board == CX23885_BOARD_HAUPPAUGE_IMPACTVCBE) || 253 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) || 254 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) || 255 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1265_K4) || 256 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) || 257 (dev->board == CX23885_BOARD_MYGICA_X8507) || 258 (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) || 259 (dev->board == CX23885_BOARD_VIEWCAST_260E) || 260 (dev->board == CX23885_BOARD_VIEWCAST_460E)) { 261 /* Configure audio routing */ 262 v4l2_subdev_call(dev->sd_cx25840, audio, s_routing, 263 INPUT(input)->amux, 0, 0); 264 265 if (INPUT(input)->amux == CX25840_AUDIO7) 266 cx23885_flatiron_mux(dev, 1); 267 else if (INPUT(input)->amux == CX25840_AUDIO6) 268 cx23885_flatiron_mux(dev, 2); 269 } 270 271 return 0; 272 } 273 274 static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input) 275 { 276 dprintk(1, "%s(input=%d)\n", __func__, input); 277 278 /* The baseband video core of the cx23885 has two audio inputs. 279 * LR1 and LR2. In almost every single case so far only HVR1xxx 280 * cards we've only ever supported LR1. Time to support LR2, 281 * which is available via the optional white breakout header on 282 * the board. 283 * We'll use a could of existing enums in the card struct to allow 284 * devs to specify which baseband input they need, or just default 285 * to what we've always used. 286 */ 287 if (INPUT(input)->amux == CX25840_AUDIO7) 288 cx23885_flatiron_mux(dev, 1); 289 else if (INPUT(input)->amux == CX25840_AUDIO6) 290 cx23885_flatiron_mux(dev, 2); 291 else { 292 /* Not specifically defined, assume the default. */ 293 cx23885_flatiron_mux(dev, 1); 294 } 295 296 return 0; 297 } 298 299 /* ------------------------------------------------------------------ */ 300 static int cx23885_start_video_dma(struct cx23885_dev *dev, 301 struct cx23885_dmaqueue *q, 302 struct cx23885_buffer *buf) 303 { 304 dprintk(1, "%s()\n", __func__); 305 306 /* Stop the dma/fifo before we tamper with it's risc programs */ 307 cx_clear(VID_A_DMA_CTL, 0x11); 308 309 /* setup fifo + format */ 310 cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01], 311 buf->bpl, buf->risc.dma); 312 313 /* reset counter */ 314 cx_write(VID_A_GPCNT_CTL, 3); 315 q->count = 0; 316 317 /* enable irq */ 318 cx23885_irq_add_enable(dev, 0x01); 319 cx_set(VID_A_INT_MSK, 0x000011); 320 321 /* start dma */ 322 cx_set(DEV_CNTRL2, (1<<5)); 323 cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */ 324 325 return 0; 326 } 327 328 static int queue_setup(struct vb2_queue *q, 329 unsigned int *num_buffers, unsigned int *num_planes, 330 unsigned int sizes[], struct device *alloc_devs[]) 331 { 332 struct cx23885_dev *dev = q->drv_priv; 333 334 *num_planes = 1; 335 sizes[0] = (dev->fmt->depth * dev->width * dev->height) >> 3; 336 return 0; 337 } 338 339 static int buffer_prepare(struct vb2_buffer *vb) 340 { 341 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 342 struct cx23885_dev *dev = vb->vb2_queue->drv_priv; 343 struct cx23885_buffer *buf = 344 container_of(vbuf, struct cx23885_buffer, vb); 345 u32 line0_offset, line1_offset; 346 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0); 347 int field_tff; 348 349 buf->bpl = (dev->width * dev->fmt->depth) >> 3; 350 351 if (vb2_plane_size(vb, 0) < dev->height * buf->bpl) 352 return -EINVAL; 353 vb2_set_plane_payload(vb, 0, dev->height * buf->bpl); 354 355 switch (dev->field) { 356 case V4L2_FIELD_TOP: 357 cx23885_risc_buffer(dev->pci, &buf->risc, 358 sgt->sgl, 0, UNSET, 359 buf->bpl, 0, dev->height); 360 break; 361 case V4L2_FIELD_BOTTOM: 362 cx23885_risc_buffer(dev->pci, &buf->risc, 363 sgt->sgl, UNSET, 0, 364 buf->bpl, 0, dev->height); 365 break; 366 case V4L2_FIELD_INTERLACED: 367 if (dev->tvnorm & V4L2_STD_525_60) 368 /* NTSC or */ 369 field_tff = 1; 370 else 371 field_tff = 0; 372 373 if (cx23885_boards[dev->board].force_bff) 374 /* PAL / SECAM OR 888 in NTSC MODE */ 375 field_tff = 0; 376 377 if (field_tff) { 378 /* cx25840 transmits NTSC bottom field first */ 379 dprintk(1, "%s() Creating TFF/NTSC risc\n", 380 __func__); 381 line0_offset = buf->bpl; 382 line1_offset = 0; 383 } else { 384 /* All other formats are top field first */ 385 dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n", 386 __func__); 387 line0_offset = 0; 388 line1_offset = buf->bpl; 389 } 390 cx23885_risc_buffer(dev->pci, &buf->risc, 391 sgt->sgl, line0_offset, 392 line1_offset, 393 buf->bpl, buf->bpl, 394 dev->height >> 1); 395 break; 396 case V4L2_FIELD_SEQ_TB: 397 cx23885_risc_buffer(dev->pci, &buf->risc, 398 sgt->sgl, 399 0, buf->bpl * (dev->height >> 1), 400 buf->bpl, 0, 401 dev->height >> 1); 402 break; 403 case V4L2_FIELD_SEQ_BT: 404 cx23885_risc_buffer(dev->pci, &buf->risc, 405 sgt->sgl, 406 buf->bpl * (dev->height >> 1), 0, 407 buf->bpl, 0, 408 dev->height >> 1); 409 break; 410 default: 411 BUG(); 412 } 413 dprintk(2, "[%p/%d] buffer_init - %dx%d %dbpp 0x%08x - dma=0x%08lx\n", 414 buf, buf->vb.vb2_buf.index, 415 dev->width, dev->height, dev->fmt->depth, dev->fmt->fourcc, 416 (unsigned long)buf->risc.dma); 417 return 0; 418 } 419 420 static void buffer_finish(struct vb2_buffer *vb) 421 { 422 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 423 struct cx23885_buffer *buf = container_of(vbuf, 424 struct cx23885_buffer, vb); 425 426 cx23885_free_buffer(vb->vb2_queue->drv_priv, buf); 427 } 428 429 /* 430 * The risc program for each buffer works as follows: it starts with a simple 431 * 'JUMP to addr + 12', which is effectively a NOP. Then the code to DMA the 432 * buffer follows and at the end we have a JUMP back to the start + 12 (skipping 433 * the initial JUMP). 434 * 435 * This is the risc program of the first buffer to be queued if the active list 436 * is empty and it just keeps DMAing this buffer without generating any 437 * interrupts. 438 * 439 * If a new buffer is added then the initial JUMP in the code for that buffer 440 * will generate an interrupt which signals that the previous buffer has been 441 * DMAed successfully and that it can be returned to userspace. 442 * 443 * It also sets the final jump of the previous buffer to the start of the new 444 * buffer, thus chaining the new buffer into the DMA chain. This is a single 445 * atomic u32 write, so there is no race condition. 446 * 447 * The end-result of all this that you only get an interrupt when a buffer 448 * is ready, so the control flow is very easy. 449 */ 450 static void buffer_queue(struct vb2_buffer *vb) 451 { 452 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 453 struct cx23885_dev *dev = vb->vb2_queue->drv_priv; 454 struct cx23885_buffer *buf = container_of(vbuf, 455 struct cx23885_buffer, vb); 456 struct cx23885_buffer *prev; 457 struct cx23885_dmaqueue *q = &dev->vidq; 458 unsigned long flags; 459 460 /* add jump to start */ 461 buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 12); 462 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC); 463 buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 12); 464 buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ 465 466 spin_lock_irqsave(&dev->slock, flags); 467 if (list_empty(&q->active)) { 468 list_add_tail(&buf->queue, &q->active); 469 dprintk(2, "[%p/%d] buffer_queue - first active\n", 470 buf, buf->vb.vb2_buf.index); 471 } else { 472 buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1); 473 prev = list_entry(q->active.prev, struct cx23885_buffer, 474 queue); 475 list_add_tail(&buf->queue, &q->active); 476 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); 477 dprintk(2, "[%p/%d] buffer_queue - append to active\n", 478 buf, buf->vb.vb2_buf.index); 479 } 480 spin_unlock_irqrestore(&dev->slock, flags); 481 } 482 483 static int cx23885_start_streaming(struct vb2_queue *q, unsigned int count) 484 { 485 struct cx23885_dev *dev = q->drv_priv; 486 struct cx23885_dmaqueue *dmaq = &dev->vidq; 487 struct cx23885_buffer *buf = list_entry(dmaq->active.next, 488 struct cx23885_buffer, queue); 489 490 cx23885_start_video_dma(dev, dmaq, buf); 491 return 0; 492 } 493 494 static void cx23885_stop_streaming(struct vb2_queue *q) 495 { 496 struct cx23885_dev *dev = q->drv_priv; 497 struct cx23885_dmaqueue *dmaq = &dev->vidq; 498 unsigned long flags; 499 500 cx_clear(VID_A_DMA_CTL, 0x11); 501 spin_lock_irqsave(&dev->slock, flags); 502 while (!list_empty(&dmaq->active)) { 503 struct cx23885_buffer *buf = list_entry(dmaq->active.next, 504 struct cx23885_buffer, queue); 505 506 list_del(&buf->queue); 507 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); 508 } 509 spin_unlock_irqrestore(&dev->slock, flags); 510 } 511 512 static const struct vb2_ops cx23885_video_qops = { 513 .queue_setup = queue_setup, 514 .buf_prepare = buffer_prepare, 515 .buf_finish = buffer_finish, 516 .buf_queue = buffer_queue, 517 .wait_prepare = vb2_ops_wait_prepare, 518 .wait_finish = vb2_ops_wait_finish, 519 .start_streaming = cx23885_start_streaming, 520 .stop_streaming = cx23885_stop_streaming, 521 }; 522 523 /* ------------------------------------------------------------------ */ 524 /* VIDEO IOCTLS */ 525 526 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 527 struct v4l2_format *f) 528 { 529 struct cx23885_dev *dev = video_drvdata(file); 530 531 f->fmt.pix.width = dev->width; 532 f->fmt.pix.height = dev->height; 533 f->fmt.pix.field = dev->field; 534 f->fmt.pix.pixelformat = dev->fmt->fourcc; 535 f->fmt.pix.bytesperline = 536 (f->fmt.pix.width * dev->fmt->depth) >> 3; 537 f->fmt.pix.sizeimage = 538 f->fmt.pix.height * f->fmt.pix.bytesperline; 539 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 540 541 return 0; 542 } 543 544 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 545 struct v4l2_format *f) 546 { 547 struct cx23885_dev *dev = video_drvdata(file); 548 struct cx23885_fmt *fmt; 549 enum v4l2_field field; 550 unsigned int maxw, maxh; 551 552 fmt = format_by_fourcc(f->fmt.pix.pixelformat); 553 if (NULL == fmt) 554 return -EINVAL; 555 556 field = f->fmt.pix.field; 557 maxw = 720; 558 maxh = norm_maxh(dev->tvnorm); 559 560 if (V4L2_FIELD_ANY == field) { 561 field = (f->fmt.pix.height > maxh/2) 562 ? V4L2_FIELD_INTERLACED 563 : V4L2_FIELD_BOTTOM; 564 } 565 566 switch (field) { 567 case V4L2_FIELD_TOP: 568 case V4L2_FIELD_BOTTOM: 569 maxh = maxh / 2; 570 break; 571 case V4L2_FIELD_INTERLACED: 572 case V4L2_FIELD_SEQ_TB: 573 case V4L2_FIELD_SEQ_BT: 574 break; 575 default: 576 field = V4L2_FIELD_INTERLACED; 577 break; 578 } 579 580 f->fmt.pix.field = field; 581 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2, 582 &f->fmt.pix.height, 32, maxh, 0, 0); 583 f->fmt.pix.bytesperline = 584 (f->fmt.pix.width * fmt->depth) >> 3; 585 f->fmt.pix.sizeimage = 586 f->fmt.pix.height * f->fmt.pix.bytesperline; 587 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 588 589 return 0; 590 } 591 592 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 593 struct v4l2_format *f) 594 { 595 struct cx23885_dev *dev = video_drvdata(file); 596 struct v4l2_subdev_format format = { 597 .which = V4L2_SUBDEV_FORMAT_ACTIVE, 598 }; 599 int err; 600 601 dprintk(2, "%s()\n", __func__); 602 err = vidioc_try_fmt_vid_cap(file, priv, f); 603 604 if (0 != err) 605 return err; 606 607 if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) || 608 vb2_is_busy(&dev->vb2_mpegq)) 609 return -EBUSY; 610 611 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat); 612 dev->width = f->fmt.pix.width; 613 dev->height = f->fmt.pix.height; 614 dev->field = f->fmt.pix.field; 615 dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, 616 dev->width, dev->height, dev->field); 617 v4l2_fill_mbus_format(&format.format, &f->fmt.pix, MEDIA_BUS_FMT_FIXED); 618 call_all(dev, pad, set_fmt, NULL, &format); 619 v4l2_fill_pix_format(&f->fmt.pix, &format.format); 620 /* set_fmt overwrites f->fmt.pix.field, restore it */ 621 f->fmt.pix.field = dev->field; 622 return 0; 623 } 624 625 static int vidioc_querycap(struct file *file, void *priv, 626 struct v4l2_capability *cap) 627 { 628 struct cx23885_dev *dev = video_drvdata(file); 629 630 strscpy(cap->driver, "cx23885", sizeof(cap->driver)); 631 strscpy(cap->card, cx23885_boards[dev->board].name, 632 sizeof(cap->card)); 633 sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); 634 cap->capabilities = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | 635 V4L2_CAP_AUDIO | V4L2_CAP_VBI_CAPTURE | 636 V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VBI_CAPTURE | 637 V4L2_CAP_DEVICE_CAPS; 638 if (dev->tuner_type != TUNER_ABSENT) 639 cap->capabilities |= V4L2_CAP_TUNER; 640 return 0; 641 } 642 643 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 644 struct v4l2_fmtdesc *f) 645 { 646 if (unlikely(f->index >= ARRAY_SIZE(formats))) 647 return -EINVAL; 648 649 f->pixelformat = formats[f->index].fourcc; 650 651 return 0; 652 } 653 654 static int vidioc_g_pixelaspect(struct file *file, void *priv, 655 int type, struct v4l2_fract *f) 656 { 657 struct cx23885_dev *dev = video_drvdata(file); 658 bool is_50hz = dev->tvnorm & V4L2_STD_625_50; 659 660 if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 661 return -EINVAL; 662 663 f->numerator = is_50hz ? 54 : 11; 664 f->denominator = is_50hz ? 59 : 10; 665 666 return 0; 667 } 668 669 static int vidioc_g_selection(struct file *file, void *fh, 670 struct v4l2_selection *sel) 671 { 672 struct cx23885_dev *dev = video_drvdata(file); 673 674 if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 675 return -EINVAL; 676 677 switch (sel->target) { 678 case V4L2_SEL_TGT_CROP_BOUNDS: 679 case V4L2_SEL_TGT_CROP_DEFAULT: 680 sel->r.top = 0; 681 sel->r.left = 0; 682 sel->r.width = 720; 683 sel->r.height = norm_maxh(dev->tvnorm); 684 break; 685 default: 686 return -EINVAL; 687 } 688 return 0; 689 } 690 691 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id) 692 { 693 struct cx23885_dev *dev = video_drvdata(file); 694 dprintk(1, "%s()\n", __func__); 695 696 *id = dev->tvnorm; 697 return 0; 698 } 699 700 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms) 701 { 702 struct cx23885_dev *dev = video_drvdata(file); 703 dprintk(1, "%s()\n", __func__); 704 705 return cx23885_set_tvnorm(dev, tvnorms); 706 } 707 708 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i) 709 { 710 static const char *iname[] = { 711 [CX23885_VMUX_COMPOSITE1] = "Composite1", 712 [CX23885_VMUX_COMPOSITE2] = "Composite2", 713 [CX23885_VMUX_COMPOSITE3] = "Composite3", 714 [CX23885_VMUX_COMPOSITE4] = "Composite4", 715 [CX23885_VMUX_SVIDEO] = "S-Video", 716 [CX23885_VMUX_COMPONENT] = "Component", 717 [CX23885_VMUX_TELEVISION] = "Television", 718 [CX23885_VMUX_CABLE] = "Cable TV", 719 [CX23885_VMUX_DVB] = "DVB", 720 [CX23885_VMUX_DEBUG] = "for debug only", 721 }; 722 unsigned int n; 723 dprintk(1, "%s()\n", __func__); 724 725 n = i->index; 726 if (n >= MAX_CX23885_INPUT) 727 return -EINVAL; 728 729 if (0 == INPUT(n)->type) 730 return -EINVAL; 731 732 i->index = n; 733 i->type = V4L2_INPUT_TYPE_CAMERA; 734 strscpy(i->name, iname[INPUT(n)->type], sizeof(i->name)); 735 i->std = CX23885_NORMS; 736 if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) || 737 (CX23885_VMUX_CABLE == INPUT(n)->type)) { 738 i->type = V4L2_INPUT_TYPE_TUNER; 739 i->audioset = 4; 740 } else { 741 /* Two selectable audio inputs for non-tv inputs */ 742 i->audioset = 3; 743 } 744 745 if (dev->input == n) { 746 /* enum'd input matches our configured input. 747 * Ask the video decoder to process the call 748 * and give it an oppertunity to update the 749 * status field. 750 */ 751 call_all(dev, video, g_input_status, &i->status); 752 } 753 754 return 0; 755 } 756 757 static int vidioc_enum_input(struct file *file, void *priv, 758 struct v4l2_input *i) 759 { 760 struct cx23885_dev *dev = video_drvdata(file); 761 dprintk(1, "%s()\n", __func__); 762 return cx23885_enum_input(dev, i); 763 } 764 765 int cx23885_get_input(struct file *file, void *priv, unsigned int *i) 766 { 767 struct cx23885_dev *dev = video_drvdata(file); 768 769 *i = dev->input; 770 dprintk(1, "%s() returns %d\n", __func__, *i); 771 return 0; 772 } 773 774 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) 775 { 776 return cx23885_get_input(file, priv, i); 777 } 778 779 int cx23885_set_input(struct file *file, void *priv, unsigned int i) 780 { 781 struct cx23885_dev *dev = video_drvdata(file); 782 783 dprintk(1, "%s(%d)\n", __func__, i); 784 785 if (i >= MAX_CX23885_INPUT) { 786 dprintk(1, "%s() -EINVAL\n", __func__); 787 return -EINVAL; 788 } 789 790 if (INPUT(i)->type == 0) 791 return -EINVAL; 792 793 cx23885_video_mux(dev, i); 794 795 /* By default establish the default audio input for the card also */ 796 /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */ 797 cx23885_audio_mux(dev, i); 798 return 0; 799 } 800 801 static int vidioc_s_input(struct file *file, void *priv, unsigned int i) 802 { 803 return cx23885_set_input(file, priv, i); 804 } 805 806 static int vidioc_log_status(struct file *file, void *priv) 807 { 808 struct cx23885_dev *dev = video_drvdata(file); 809 810 call_all(dev, core, log_status); 811 return 0; 812 } 813 814 static int cx23885_query_audinput(struct file *file, void *priv, 815 struct v4l2_audio *i) 816 { 817 static const char *iname[] = { 818 [0] = "Baseband L/R 1", 819 [1] = "Baseband L/R 2", 820 [2] = "TV", 821 }; 822 unsigned int n; 823 dprintk(1, "%s()\n", __func__); 824 825 n = i->index; 826 if (n >= 3) 827 return -EINVAL; 828 829 memset(i, 0, sizeof(*i)); 830 i->index = n; 831 strscpy(i->name, iname[n], sizeof(i->name)); 832 i->capability = V4L2_AUDCAP_STEREO; 833 return 0; 834 835 } 836 837 static int vidioc_enum_audinput(struct file *file, void *priv, 838 struct v4l2_audio *i) 839 { 840 return cx23885_query_audinput(file, priv, i); 841 } 842 843 static int vidioc_g_audinput(struct file *file, void *priv, 844 struct v4l2_audio *i) 845 { 846 struct cx23885_dev *dev = video_drvdata(file); 847 848 if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) || 849 (CX23885_VMUX_CABLE == INPUT(dev->input)->type)) 850 i->index = 2; 851 else 852 i->index = dev->audinput; 853 dprintk(1, "%s(input=%d)\n", __func__, i->index); 854 855 return cx23885_query_audinput(file, priv, i); 856 } 857 858 static int vidioc_s_audinput(struct file *file, void *priv, 859 const struct v4l2_audio *i) 860 { 861 struct cx23885_dev *dev = video_drvdata(file); 862 863 if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) || 864 (CX23885_VMUX_CABLE == INPUT(dev->input)->type)) { 865 return i->index != 2 ? -EINVAL : 0; 866 } 867 if (i->index > 1) 868 return -EINVAL; 869 870 dprintk(1, "%s(%d)\n", __func__, i->index); 871 872 dev->audinput = i->index; 873 874 /* Skip the audio defaults from the cards struct, caller wants 875 * directly touch the audio mux hardware. */ 876 cx23885_flatiron_mux(dev, dev->audinput + 1); 877 return 0; 878 } 879 880 static int vidioc_g_tuner(struct file *file, void *priv, 881 struct v4l2_tuner *t) 882 { 883 struct cx23885_dev *dev = video_drvdata(file); 884 885 if (dev->tuner_type == TUNER_ABSENT) 886 return -EINVAL; 887 if (0 != t->index) 888 return -EINVAL; 889 890 strscpy(t->name, "Television", sizeof(t->name)); 891 892 call_all(dev, tuner, g_tuner, t); 893 return 0; 894 } 895 896 static int vidioc_s_tuner(struct file *file, void *priv, 897 const struct v4l2_tuner *t) 898 { 899 struct cx23885_dev *dev = video_drvdata(file); 900 901 if (dev->tuner_type == TUNER_ABSENT) 902 return -EINVAL; 903 if (0 != t->index) 904 return -EINVAL; 905 /* Update the A/V core */ 906 call_all(dev, tuner, s_tuner, t); 907 908 return 0; 909 } 910 911 static int vidioc_g_frequency(struct file *file, void *priv, 912 struct v4l2_frequency *f) 913 { 914 struct cx23885_dev *dev = video_drvdata(file); 915 916 if (dev->tuner_type == TUNER_ABSENT) 917 return -EINVAL; 918 919 f->type = V4L2_TUNER_ANALOG_TV; 920 f->frequency = dev->freq; 921 922 call_all(dev, tuner, g_frequency, f); 923 924 return 0; 925 } 926 927 static int cx23885_set_freq(struct cx23885_dev *dev, const struct v4l2_frequency *f) 928 { 929 struct v4l2_ctrl *mute; 930 int old_mute_val = 1; 931 932 if (dev->tuner_type == TUNER_ABSENT) 933 return -EINVAL; 934 if (unlikely(f->tuner != 0)) 935 return -EINVAL; 936 937 dev->freq = f->frequency; 938 939 /* I need to mute audio here */ 940 mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE); 941 if (mute) { 942 old_mute_val = v4l2_ctrl_g_ctrl(mute); 943 if (!old_mute_val) 944 v4l2_ctrl_s_ctrl(mute, 1); 945 } 946 947 call_all(dev, tuner, s_frequency, f); 948 949 /* When changing channels it is required to reset TVAUDIO */ 950 msleep(100); 951 952 /* I need to unmute audio here */ 953 if (old_mute_val == 0) 954 v4l2_ctrl_s_ctrl(mute, old_mute_val); 955 956 return 0; 957 } 958 959 static int cx23885_set_freq_via_ops(struct cx23885_dev *dev, 960 const struct v4l2_frequency *f) 961 { 962 struct v4l2_ctrl *mute; 963 int old_mute_val = 1; 964 struct vb2_dvb_frontend *vfe; 965 struct dvb_frontend *fe; 966 967 struct analog_parameters params = { 968 .mode = V4L2_TUNER_ANALOG_TV, 969 .audmode = V4L2_TUNER_MODE_STEREO, 970 .std = dev->tvnorm, 971 .frequency = f->frequency 972 }; 973 974 dev->freq = f->frequency; 975 976 /* I need to mute audio here */ 977 mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE); 978 if (mute) { 979 old_mute_val = v4l2_ctrl_g_ctrl(mute); 980 if (!old_mute_val) 981 v4l2_ctrl_s_ctrl(mute, 1); 982 } 983 984 /* If HVR1850 */ 985 dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__, 986 params.frequency, f->tuner, params.std); 987 988 vfe = vb2_dvb_get_frontend(&dev->ts2.frontends, 1); 989 if (!vfe) { 990 return -EINVAL; 991 } 992 993 fe = vfe->dvb.frontend; 994 995 if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) || 996 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) || 997 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) || 998 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1265_K4)) 999 fe = &dev->ts1.analog_fe; 1000 1001 if (fe && fe->ops.tuner_ops.set_analog_params) { 1002 call_all(dev, video, s_std, dev->tvnorm); 1003 fe->ops.tuner_ops.set_analog_params(fe, ¶ms); 1004 } 1005 else 1006 pr_err("%s() No analog tuner, aborting\n", __func__); 1007 1008 /* When changing channels it is required to reset TVAUDIO */ 1009 msleep(100); 1010 1011 /* I need to unmute audio here */ 1012 if (old_mute_val == 0) 1013 v4l2_ctrl_s_ctrl(mute, old_mute_val); 1014 1015 return 0; 1016 } 1017 1018 int cx23885_set_frequency(struct file *file, void *priv, 1019 const struct v4l2_frequency *f) 1020 { 1021 struct cx23885_dev *dev = video_drvdata(file); 1022 int ret; 1023 1024 switch (dev->board) { 1025 case CX23885_BOARD_HAUPPAUGE_HVR1255: 1026 case CX23885_BOARD_HAUPPAUGE_HVR1255_22111: 1027 case CX23885_BOARD_HAUPPAUGE_HVR1265_K4: 1028 case CX23885_BOARD_HAUPPAUGE_HVR1850: 1029 ret = cx23885_set_freq_via_ops(dev, f); 1030 break; 1031 default: 1032 ret = cx23885_set_freq(dev, f); 1033 } 1034 1035 return ret; 1036 } 1037 1038 static int vidioc_s_frequency(struct file *file, void *priv, 1039 const struct v4l2_frequency *f) 1040 { 1041 return cx23885_set_frequency(file, priv, f); 1042 } 1043 1044 /* ----------------------------------------------------------- */ 1045 1046 int cx23885_video_irq(struct cx23885_dev *dev, u32 status) 1047 { 1048 u32 mask, count; 1049 int handled = 0; 1050 1051 mask = cx_read(VID_A_INT_MSK); 1052 if (0 == (status & mask)) 1053 return handled; 1054 1055 cx_write(VID_A_INT_STAT, status); 1056 1057 /* risc op code error, fifo overflow or line sync detection error */ 1058 if ((status & VID_BC_MSK_OPC_ERR) || 1059 (status & VID_BC_MSK_SYNC) || 1060 (status & VID_BC_MSK_OF)) { 1061 1062 if (status & VID_BC_MSK_OPC_ERR) { 1063 dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n", 1064 VID_BC_MSK_OPC_ERR); 1065 pr_warn("%s: video risc op code error\n", 1066 dev->name); 1067 cx23885_sram_channel_dump(dev, 1068 &dev->sram_channels[SRAM_CH01]); 1069 } 1070 1071 if (status & VID_BC_MSK_SYNC) 1072 dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) video lines miss-match\n", 1073 VID_BC_MSK_SYNC); 1074 1075 if (status & VID_BC_MSK_OF) 1076 dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n", 1077 VID_BC_MSK_OF); 1078 1079 } 1080 1081 /* Video */ 1082 if (status & VID_BC_MSK_RISCI1) { 1083 spin_lock(&dev->slock); 1084 count = cx_read(VID_A_GPCNT); 1085 cx23885_video_wakeup(dev, &dev->vidq, count); 1086 spin_unlock(&dev->slock); 1087 handled++; 1088 } 1089 1090 /* Allow the VBI framework to process it's payload */ 1091 handled += cx23885_vbi_irq(dev, status); 1092 1093 return handled; 1094 } 1095 1096 /* ----------------------------------------------------------- */ 1097 /* exported stuff */ 1098 1099 static const struct v4l2_file_operations video_fops = { 1100 .owner = THIS_MODULE, 1101 .open = v4l2_fh_open, 1102 .release = vb2_fop_release, 1103 .read = vb2_fop_read, 1104 .poll = vb2_fop_poll, 1105 .unlocked_ioctl = video_ioctl2, 1106 .mmap = vb2_fop_mmap, 1107 }; 1108 1109 static const struct v4l2_ioctl_ops video_ioctl_ops = { 1110 .vidioc_querycap = vidioc_querycap, 1111 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 1112 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 1113 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 1114 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 1115 .vidioc_g_fmt_vbi_cap = cx23885_vbi_fmt, 1116 .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt, 1117 .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt, 1118 .vidioc_reqbufs = vb2_ioctl_reqbufs, 1119 .vidioc_prepare_buf = vb2_ioctl_prepare_buf, 1120 .vidioc_querybuf = vb2_ioctl_querybuf, 1121 .vidioc_qbuf = vb2_ioctl_qbuf, 1122 .vidioc_dqbuf = vb2_ioctl_dqbuf, 1123 .vidioc_streamon = vb2_ioctl_streamon, 1124 .vidioc_streamoff = vb2_ioctl_streamoff, 1125 .vidioc_g_pixelaspect = vidioc_g_pixelaspect, 1126 .vidioc_g_selection = vidioc_g_selection, 1127 .vidioc_s_std = vidioc_s_std, 1128 .vidioc_g_std = vidioc_g_std, 1129 .vidioc_enum_input = vidioc_enum_input, 1130 .vidioc_g_input = vidioc_g_input, 1131 .vidioc_s_input = vidioc_s_input, 1132 .vidioc_log_status = vidioc_log_status, 1133 .vidioc_g_tuner = vidioc_g_tuner, 1134 .vidioc_s_tuner = vidioc_s_tuner, 1135 .vidioc_g_frequency = vidioc_g_frequency, 1136 .vidioc_s_frequency = vidioc_s_frequency, 1137 #ifdef CONFIG_VIDEO_ADV_DEBUG 1138 .vidioc_g_chip_info = cx23885_g_chip_info, 1139 .vidioc_g_register = cx23885_g_register, 1140 .vidioc_s_register = cx23885_s_register, 1141 #endif 1142 .vidioc_enumaudio = vidioc_enum_audinput, 1143 .vidioc_g_audio = vidioc_g_audinput, 1144 .vidioc_s_audio = vidioc_s_audinput, 1145 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 1146 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1147 }; 1148 1149 static struct video_device cx23885_vbi_template; 1150 static struct video_device cx23885_video_template = { 1151 .name = "cx23885-video", 1152 .fops = &video_fops, 1153 .ioctl_ops = &video_ioctl_ops, 1154 .tvnorms = CX23885_NORMS, 1155 }; 1156 1157 void cx23885_video_unregister(struct cx23885_dev *dev) 1158 { 1159 dprintk(1, "%s()\n", __func__); 1160 cx23885_irq_remove(dev, 0x01); 1161 1162 if (dev->vbi_dev) { 1163 if (video_is_registered(dev->vbi_dev)) 1164 video_unregister_device(dev->vbi_dev); 1165 else 1166 video_device_release(dev->vbi_dev); 1167 dev->vbi_dev = NULL; 1168 } 1169 if (dev->video_dev) { 1170 if (video_is_registered(dev->video_dev)) 1171 video_unregister_device(dev->video_dev); 1172 else 1173 video_device_release(dev->video_dev); 1174 dev->video_dev = NULL; 1175 } 1176 1177 if (dev->audio_dev) 1178 cx23885_audio_unregister(dev); 1179 } 1180 1181 int cx23885_video_register(struct cx23885_dev *dev) 1182 { 1183 struct vb2_queue *q; 1184 int err; 1185 1186 dprintk(1, "%s()\n", __func__); 1187 1188 /* Initialize VBI template */ 1189 cx23885_vbi_template = cx23885_video_template; 1190 strscpy(cx23885_vbi_template.name, "cx23885-vbi", 1191 sizeof(cx23885_vbi_template.name)); 1192 1193 dev->tvnorm = V4L2_STD_NTSC_M; 1194 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV); 1195 dev->field = V4L2_FIELD_INTERLACED; 1196 dev->width = 720; 1197 dev->height = norm_maxh(dev->tvnorm); 1198 1199 /* init video dma queues */ 1200 INIT_LIST_HEAD(&dev->vidq.active); 1201 1202 /* init vbi dma queues */ 1203 INIT_LIST_HEAD(&dev->vbiq.active); 1204 1205 cx23885_irq_add_enable(dev, 0x01); 1206 1207 if ((TUNER_ABSENT != dev->tuner_type) && 1208 ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) { 1209 struct v4l2_subdev *sd = NULL; 1210 1211 if (dev->tuner_addr) 1212 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1213 &dev->i2c_bus[dev->tuner_bus].i2c_adap, 1214 "tuner", dev->tuner_addr, NULL); 1215 else 1216 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1217 &dev->i2c_bus[dev->tuner_bus].i2c_adap, 1218 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV)); 1219 if (sd) { 1220 struct tuner_setup tun_setup; 1221 1222 memset(&tun_setup, 0, sizeof(tun_setup)); 1223 tun_setup.mode_mask = T_ANALOG_TV; 1224 tun_setup.type = dev->tuner_type; 1225 tun_setup.addr = v4l2_i2c_subdev_addr(sd); 1226 tun_setup.tuner_callback = cx23885_tuner_callback; 1227 1228 v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup); 1229 1230 if ((dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) || 1231 (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200)) { 1232 struct xc2028_ctrl ctrl = { 1233 .fname = XC2028_DEFAULT_FIRMWARE, 1234 .max_len = 64 1235 }; 1236 struct v4l2_priv_tun_config cfg = { 1237 .tuner = dev->tuner_type, 1238 .priv = &ctrl 1239 }; 1240 v4l2_subdev_call(sd, tuner, s_config, &cfg); 1241 } 1242 1243 if (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) { 1244 struct xc2028_ctrl ctrl = { 1245 .fname = "xc3028L-v36.fw", 1246 .max_len = 64 1247 }; 1248 struct v4l2_priv_tun_config cfg = { 1249 .tuner = dev->tuner_type, 1250 .priv = &ctrl 1251 }; 1252 v4l2_subdev_call(sd, tuner, s_config, &cfg); 1253 } 1254 } 1255 } 1256 1257 /* initial device configuration */ 1258 mutex_lock(&dev->lock); 1259 cx23885_set_tvnorm(dev, dev->tvnorm); 1260 cx23885_video_mux(dev, 0); 1261 cx23885_audio_mux(dev, 0); 1262 mutex_unlock(&dev->lock); 1263 1264 q = &dev->vb2_vidq; 1265 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1266 q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ; 1267 q->gfp_flags = GFP_DMA32; 1268 q->min_buffers_needed = 2; 1269 q->drv_priv = dev; 1270 q->buf_struct_size = sizeof(struct cx23885_buffer); 1271 q->ops = &cx23885_video_qops; 1272 q->mem_ops = &vb2_dma_sg_memops; 1273 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1274 q->lock = &dev->lock; 1275 q->dev = &dev->pci->dev; 1276 1277 err = vb2_queue_init(q); 1278 if (err < 0) 1279 goto fail_unreg; 1280 1281 q = &dev->vb2_vbiq; 1282 q->type = V4L2_BUF_TYPE_VBI_CAPTURE; 1283 q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ; 1284 q->gfp_flags = GFP_DMA32; 1285 q->min_buffers_needed = 2; 1286 q->drv_priv = dev; 1287 q->buf_struct_size = sizeof(struct cx23885_buffer); 1288 q->ops = &cx23885_vbi_qops; 1289 q->mem_ops = &vb2_dma_sg_memops; 1290 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1291 q->lock = &dev->lock; 1292 q->dev = &dev->pci->dev; 1293 1294 err = vb2_queue_init(q); 1295 if (err < 0) 1296 goto fail_unreg; 1297 1298 /* register Video device */ 1299 dev->video_dev = cx23885_vdev_init(dev, dev->pci, 1300 &cx23885_video_template, "video"); 1301 dev->video_dev->queue = &dev->vb2_vidq; 1302 dev->video_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | 1303 V4L2_CAP_AUDIO | V4L2_CAP_VIDEO_CAPTURE; 1304 if (dev->tuner_type != TUNER_ABSENT) 1305 dev->video_dev->device_caps |= V4L2_CAP_TUNER; 1306 err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER, 1307 video_nr[dev->nr]); 1308 if (err < 0) { 1309 pr_info("%s: can't register video device\n", 1310 dev->name); 1311 goto fail_unreg; 1312 } 1313 pr_info("%s: registered device %s [v4l2]\n", 1314 dev->name, video_device_node_name(dev->video_dev)); 1315 1316 /* register VBI device */ 1317 dev->vbi_dev = cx23885_vdev_init(dev, dev->pci, 1318 &cx23885_vbi_template, "vbi"); 1319 dev->vbi_dev->queue = &dev->vb2_vbiq; 1320 dev->vbi_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | 1321 V4L2_CAP_AUDIO | V4L2_CAP_VBI_CAPTURE; 1322 if (dev->tuner_type != TUNER_ABSENT) 1323 dev->vbi_dev->device_caps |= V4L2_CAP_TUNER; 1324 err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, 1325 vbi_nr[dev->nr]); 1326 if (err < 0) { 1327 pr_info("%s: can't register vbi device\n", 1328 dev->name); 1329 goto fail_unreg; 1330 } 1331 pr_info("%s: registered device %s\n", 1332 dev->name, video_device_node_name(dev->vbi_dev)); 1333 1334 /* Register ALSA audio device */ 1335 dev->audio_dev = cx23885_audio_register(dev); 1336 1337 return 0; 1338 1339 fail_unreg: 1340 cx23885_video_unregister(dev); 1341 return err; 1342 } 1343