1 /* 2 * Driver for the Conexant CX23885 PCIe bridge 3 * 4 * Copyright (c) 2007 Steven Toth <stoth@linuxtv.org> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * 15 * GNU General Public License for more details. 16 */ 17 18 #include <linux/init.h> 19 #include <linux/list.h> 20 #include <linux/module.h> 21 #include <linux/moduleparam.h> 22 #include <linux/kmod.h> 23 #include <linux/kernel.h> 24 #include <linux/slab.h> 25 #include <linux/interrupt.h> 26 #include <linux/delay.h> 27 #include <linux/kthread.h> 28 #include <asm/div64.h> 29 30 #include "cx23885.h" 31 #include "cx23885-video.h" 32 #include <media/v4l2-common.h> 33 #include <media/v4l2-ioctl.h> 34 #include <media/v4l2-event.h> 35 #include "cx23885-ioctl.h" 36 #include "tuner-xc2028.h" 37 38 #include <media/drv-intf/cx25840.h> 39 40 MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards"); 41 MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>"); 42 MODULE_LICENSE("GPL"); 43 44 /* ------------------------------------------------------------------ */ 45 46 static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; 47 static unsigned int vbi_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; 48 49 module_param_array(video_nr, int, NULL, 0444); 50 module_param_array(vbi_nr, int, NULL, 0444); 51 52 MODULE_PARM_DESC(video_nr, "video device numbers"); 53 MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); 54 55 static unsigned int video_debug; 56 module_param(video_debug, int, 0644); 57 MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); 58 59 static unsigned int irq_debug; 60 module_param(irq_debug, int, 0644); 61 MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]"); 62 63 static unsigned int vid_limit = 16; 64 module_param(vid_limit, int, 0644); 65 MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); 66 67 #define dprintk(level, fmt, arg...)\ 68 do { if (video_debug >= level)\ 69 printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\ 70 } while (0) 71 72 /* ------------------------------------------------------------------- */ 73 /* static data */ 74 75 #define FORMAT_FLAGS_PACKED 0x01 76 static struct cx23885_fmt formats[] = { 77 { 78 .name = "4:2:2, packed, YUYV", 79 .fourcc = V4L2_PIX_FMT_YUYV, 80 .depth = 16, 81 .flags = FORMAT_FLAGS_PACKED, 82 } 83 }; 84 85 static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc) 86 { 87 unsigned int i; 88 89 for (i = 0; i < ARRAY_SIZE(formats); i++) 90 if (formats[i].fourcc == fourcc) 91 return formats+i; 92 return NULL; 93 } 94 95 /* ------------------------------------------------------------------- */ 96 97 void cx23885_video_wakeup(struct cx23885_dev *dev, 98 struct cx23885_dmaqueue *q, u32 count) 99 { 100 struct cx23885_buffer *buf; 101 102 if (list_empty(&q->active)) 103 return; 104 buf = list_entry(q->active.next, 105 struct cx23885_buffer, queue); 106 107 buf->vb.sequence = q->count++; 108 buf->vb.vb2_buf.timestamp = ktime_get_ns(); 109 dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, 110 buf->vb.vb2_buf.index, count, q->count); 111 list_del(&buf->queue); 112 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE); 113 } 114 115 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm) 116 { 117 struct v4l2_subdev_format format = { 118 .which = V4L2_SUBDEV_FORMAT_ACTIVE, 119 .format.code = MEDIA_BUS_FMT_FIXED, 120 }; 121 122 dprintk(1, "%s(norm = 0x%08x) name: [%s]\n", 123 __func__, 124 (unsigned int)norm, 125 v4l2_norm_to_name(norm)); 126 127 if (dev->tvnorm == norm) 128 return 0; 129 130 if (dev->tvnorm != norm) { 131 if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) || 132 vb2_is_busy(&dev->vb2_mpegq)) 133 return -EBUSY; 134 } 135 136 dev->tvnorm = norm; 137 dev->width = 720; 138 dev->height = norm_maxh(norm); 139 dev->field = V4L2_FIELD_INTERLACED; 140 141 call_all(dev, video, s_std, norm); 142 143 format.format.width = dev->width; 144 format.format.height = dev->height; 145 format.format.field = dev->field; 146 call_all(dev, pad, set_fmt, NULL, &format); 147 148 return 0; 149 } 150 151 static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev, 152 struct pci_dev *pci, 153 struct video_device *template, 154 char *type) 155 { 156 struct video_device *vfd; 157 dprintk(1, "%s()\n", __func__); 158 159 vfd = video_device_alloc(); 160 if (NULL == vfd) 161 return NULL; 162 *vfd = *template; 163 vfd->v4l2_dev = &dev->v4l2_dev; 164 vfd->release = video_device_release; 165 vfd->lock = &dev->lock; 166 snprintf(vfd->name, sizeof(vfd->name), "%s (%s)", 167 cx23885_boards[dev->board].name, type); 168 video_set_drvdata(vfd, dev); 169 return vfd; 170 } 171 172 int cx23885_flatiron_write(struct cx23885_dev *dev, u8 reg, u8 data) 173 { 174 /* 8 bit registers, 8 bit values */ 175 u8 buf[] = { reg, data }; 176 177 struct i2c_msg msg = { .addr = 0x98 >> 1, 178 .flags = 0, .buf = buf, .len = 2 }; 179 180 return i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg, 1); 181 } 182 183 u8 cx23885_flatiron_read(struct cx23885_dev *dev, u8 reg) 184 { 185 /* 8 bit registers, 8 bit values */ 186 int ret; 187 u8 b0[] = { reg }; 188 u8 b1[] = { 0 }; 189 190 struct i2c_msg msg[] = { 191 { .addr = 0x98 >> 1, .flags = 0, .buf = b0, .len = 1 }, 192 { .addr = 0x98 >> 1, .flags = I2C_M_RD, .buf = b1, .len = 1 } 193 }; 194 195 ret = i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg[0], 2); 196 if (ret != 2) 197 printk(KERN_ERR "%s() error\n", __func__); 198 199 return b1[0]; 200 } 201 202 static void cx23885_flatiron_dump(struct cx23885_dev *dev) 203 { 204 int i; 205 dprintk(1, "Flatiron dump\n"); 206 for (i = 0; i < 0x24; i++) { 207 dprintk(1, "FI[%02x] = %02x\n", i, 208 cx23885_flatiron_read(dev, i)); 209 } 210 } 211 212 static int cx23885_flatiron_mux(struct cx23885_dev *dev, int input) 213 { 214 u8 val; 215 dprintk(1, "%s(input = %d)\n", __func__, input); 216 217 if (input == 1) 218 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) & ~FLD_CH_SEL; 219 else if (input == 2) 220 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) | FLD_CH_SEL; 221 else 222 return -EINVAL; 223 224 val |= 0x20; /* Enable clock to delta-sigma and dec filter */ 225 226 cx23885_flatiron_write(dev, CH_PWR_CTRL1, val); 227 228 /* Wake up */ 229 cx23885_flatiron_write(dev, CH_PWR_CTRL2, 0); 230 231 if (video_debug) 232 cx23885_flatiron_dump(dev); 233 234 return 0; 235 } 236 237 static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input) 238 { 239 dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n", 240 __func__, 241 input, INPUT(input)->vmux, 242 INPUT(input)->gpio0, INPUT(input)->gpio1, 243 INPUT(input)->gpio2, INPUT(input)->gpio3); 244 dev->input = input; 245 246 if (dev->board == CX23885_BOARD_MYGICA_X8506 || 247 dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2 || 248 dev->board == CX23885_BOARD_MYGICA_X8507) { 249 /* Select Analog TV */ 250 if (INPUT(input)->type == CX23885_VMUX_TELEVISION) 251 cx23885_gpio_clear(dev, GPIO_0); 252 } 253 254 /* Tell the internal A/V decoder */ 255 v4l2_subdev_call(dev->sd_cx25840, video, s_routing, 256 INPUT(input)->vmux, 0, 0); 257 258 if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1800) || 259 (dev->board == CX23885_BOARD_MPX885) || 260 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1250) || 261 (dev->board == CX23885_BOARD_HAUPPAUGE_IMPACTVCBE) || 262 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) || 263 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) || 264 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) || 265 (dev->board == CX23885_BOARD_MYGICA_X8507) || 266 (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) || 267 (dev->board == CX23885_BOARD_VIEWCAST_260E) || 268 (dev->board == CX23885_BOARD_VIEWCAST_460E)) { 269 /* Configure audio routing */ 270 v4l2_subdev_call(dev->sd_cx25840, audio, s_routing, 271 INPUT(input)->amux, 0, 0); 272 273 if (INPUT(input)->amux == CX25840_AUDIO7) 274 cx23885_flatiron_mux(dev, 1); 275 else if (INPUT(input)->amux == CX25840_AUDIO6) 276 cx23885_flatiron_mux(dev, 2); 277 } 278 279 return 0; 280 } 281 282 static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input) 283 { 284 dprintk(1, "%s(input=%d)\n", __func__, input); 285 286 /* The baseband video core of the cx23885 has two audio inputs. 287 * LR1 and LR2. In almost every single case so far only HVR1xxx 288 * cards we've only ever supported LR1. Time to support LR2, 289 * which is available via the optional white breakout header on 290 * the board. 291 * We'll use a could of existing enums in the card struct to allow 292 * devs to specify which baseband input they need, or just default 293 * to what we've always used. 294 */ 295 if (INPUT(input)->amux == CX25840_AUDIO7) 296 cx23885_flatiron_mux(dev, 1); 297 else if (INPUT(input)->amux == CX25840_AUDIO6) 298 cx23885_flatiron_mux(dev, 2); 299 else { 300 /* Not specifically defined, assume the default. */ 301 cx23885_flatiron_mux(dev, 1); 302 } 303 304 return 0; 305 } 306 307 /* ------------------------------------------------------------------ */ 308 static int cx23885_start_video_dma(struct cx23885_dev *dev, 309 struct cx23885_dmaqueue *q, 310 struct cx23885_buffer *buf) 311 { 312 dprintk(1, "%s()\n", __func__); 313 314 /* Stop the dma/fifo before we tamper with it's risc programs */ 315 cx_clear(VID_A_DMA_CTL, 0x11); 316 317 /* setup fifo + format */ 318 cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01], 319 buf->bpl, buf->risc.dma); 320 321 /* reset counter */ 322 cx_write(VID_A_GPCNT_CTL, 3); 323 q->count = 0; 324 325 /* enable irq */ 326 cx23885_irq_add_enable(dev, 0x01); 327 cx_set(VID_A_INT_MSK, 0x000011); 328 329 /* start dma */ 330 cx_set(DEV_CNTRL2, (1<<5)); 331 cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */ 332 333 return 0; 334 } 335 336 static int queue_setup(struct vb2_queue *q, 337 unsigned int *num_buffers, unsigned int *num_planes, 338 unsigned int sizes[], struct device *alloc_devs[]) 339 { 340 struct cx23885_dev *dev = q->drv_priv; 341 342 *num_planes = 1; 343 sizes[0] = (dev->fmt->depth * dev->width * dev->height) >> 3; 344 return 0; 345 } 346 347 static int buffer_prepare(struct vb2_buffer *vb) 348 { 349 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 350 struct cx23885_dev *dev = vb->vb2_queue->drv_priv; 351 struct cx23885_buffer *buf = 352 container_of(vbuf, struct cx23885_buffer, vb); 353 u32 line0_offset, line1_offset; 354 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0); 355 int field_tff; 356 357 buf->bpl = (dev->width * dev->fmt->depth) >> 3; 358 359 if (vb2_plane_size(vb, 0) < dev->height * buf->bpl) 360 return -EINVAL; 361 vb2_set_plane_payload(vb, 0, dev->height * buf->bpl); 362 363 switch (dev->field) { 364 case V4L2_FIELD_TOP: 365 cx23885_risc_buffer(dev->pci, &buf->risc, 366 sgt->sgl, 0, UNSET, 367 buf->bpl, 0, dev->height); 368 break; 369 case V4L2_FIELD_BOTTOM: 370 cx23885_risc_buffer(dev->pci, &buf->risc, 371 sgt->sgl, UNSET, 0, 372 buf->bpl, 0, dev->height); 373 break; 374 case V4L2_FIELD_INTERLACED: 375 if (dev->tvnorm & V4L2_STD_525_60) 376 /* NTSC or */ 377 field_tff = 1; 378 else 379 field_tff = 0; 380 381 if (cx23885_boards[dev->board].force_bff) 382 /* PAL / SECAM OR 888 in NTSC MODE */ 383 field_tff = 0; 384 385 if (field_tff) { 386 /* cx25840 transmits NTSC bottom field first */ 387 dprintk(1, "%s() Creating TFF/NTSC risc\n", 388 __func__); 389 line0_offset = buf->bpl; 390 line1_offset = 0; 391 } else { 392 /* All other formats are top field first */ 393 dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n", 394 __func__); 395 line0_offset = 0; 396 line1_offset = buf->bpl; 397 } 398 cx23885_risc_buffer(dev->pci, &buf->risc, 399 sgt->sgl, line0_offset, 400 line1_offset, 401 buf->bpl, buf->bpl, 402 dev->height >> 1); 403 break; 404 case V4L2_FIELD_SEQ_TB: 405 cx23885_risc_buffer(dev->pci, &buf->risc, 406 sgt->sgl, 407 0, buf->bpl * (dev->height >> 1), 408 buf->bpl, 0, 409 dev->height >> 1); 410 break; 411 case V4L2_FIELD_SEQ_BT: 412 cx23885_risc_buffer(dev->pci, &buf->risc, 413 sgt->sgl, 414 buf->bpl * (dev->height >> 1), 0, 415 buf->bpl, 0, 416 dev->height >> 1); 417 break; 418 default: 419 BUG(); 420 } 421 dprintk(2, "[%p/%d] buffer_init - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", 422 buf, buf->vb.vb2_buf.index, 423 dev->width, dev->height, dev->fmt->depth, dev->fmt->name, 424 (unsigned long)buf->risc.dma); 425 return 0; 426 } 427 428 static void buffer_finish(struct vb2_buffer *vb) 429 { 430 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 431 struct cx23885_buffer *buf = container_of(vbuf, 432 struct cx23885_buffer, vb); 433 434 cx23885_free_buffer(vb->vb2_queue->drv_priv, buf); 435 } 436 437 /* 438 * The risc program for each buffer works as follows: it starts with a simple 439 * 'JUMP to addr + 12', which is effectively a NOP. Then the code to DMA the 440 * buffer follows and at the end we have a JUMP back to the start + 12 (skipping 441 * the initial JUMP). 442 * 443 * This is the risc program of the first buffer to be queued if the active list 444 * is empty and it just keeps DMAing this buffer without generating any 445 * interrupts. 446 * 447 * If a new buffer is added then the initial JUMP in the code for that buffer 448 * will generate an interrupt which signals that the previous buffer has been 449 * DMAed successfully and that it can be returned to userspace. 450 * 451 * It also sets the final jump of the previous buffer to the start of the new 452 * buffer, thus chaining the new buffer into the DMA chain. This is a single 453 * atomic u32 write, so there is no race condition. 454 * 455 * The end-result of all this that you only get an interrupt when a buffer 456 * is ready, so the control flow is very easy. 457 */ 458 static void buffer_queue(struct vb2_buffer *vb) 459 { 460 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 461 struct cx23885_dev *dev = vb->vb2_queue->drv_priv; 462 struct cx23885_buffer *buf = container_of(vbuf, 463 struct cx23885_buffer, vb); 464 struct cx23885_buffer *prev; 465 struct cx23885_dmaqueue *q = &dev->vidq; 466 unsigned long flags; 467 468 /* add jump to start */ 469 buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 12); 470 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC); 471 buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 12); 472 buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ 473 474 spin_lock_irqsave(&dev->slock, flags); 475 if (list_empty(&q->active)) { 476 list_add_tail(&buf->queue, &q->active); 477 dprintk(2, "[%p/%d] buffer_queue - first active\n", 478 buf, buf->vb.vb2_buf.index); 479 } else { 480 buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1); 481 prev = list_entry(q->active.prev, struct cx23885_buffer, 482 queue); 483 list_add_tail(&buf->queue, &q->active); 484 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); 485 dprintk(2, "[%p/%d] buffer_queue - append to active\n", 486 buf, buf->vb.vb2_buf.index); 487 } 488 spin_unlock_irqrestore(&dev->slock, flags); 489 } 490 491 static int cx23885_start_streaming(struct vb2_queue *q, unsigned int count) 492 { 493 struct cx23885_dev *dev = q->drv_priv; 494 struct cx23885_dmaqueue *dmaq = &dev->vidq; 495 struct cx23885_buffer *buf = list_entry(dmaq->active.next, 496 struct cx23885_buffer, queue); 497 498 cx23885_start_video_dma(dev, dmaq, buf); 499 return 0; 500 } 501 502 static void cx23885_stop_streaming(struct vb2_queue *q) 503 { 504 struct cx23885_dev *dev = q->drv_priv; 505 struct cx23885_dmaqueue *dmaq = &dev->vidq; 506 unsigned long flags; 507 508 cx_clear(VID_A_DMA_CTL, 0x11); 509 spin_lock_irqsave(&dev->slock, flags); 510 while (!list_empty(&dmaq->active)) { 511 struct cx23885_buffer *buf = list_entry(dmaq->active.next, 512 struct cx23885_buffer, queue); 513 514 list_del(&buf->queue); 515 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); 516 } 517 spin_unlock_irqrestore(&dev->slock, flags); 518 } 519 520 static struct vb2_ops cx23885_video_qops = { 521 .queue_setup = queue_setup, 522 .buf_prepare = buffer_prepare, 523 .buf_finish = buffer_finish, 524 .buf_queue = buffer_queue, 525 .wait_prepare = vb2_ops_wait_prepare, 526 .wait_finish = vb2_ops_wait_finish, 527 .start_streaming = cx23885_start_streaming, 528 .stop_streaming = cx23885_stop_streaming, 529 }; 530 531 /* ------------------------------------------------------------------ */ 532 /* VIDEO IOCTLS */ 533 534 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 535 struct v4l2_format *f) 536 { 537 struct cx23885_dev *dev = video_drvdata(file); 538 539 f->fmt.pix.width = dev->width; 540 f->fmt.pix.height = dev->height; 541 f->fmt.pix.field = dev->field; 542 f->fmt.pix.pixelformat = dev->fmt->fourcc; 543 f->fmt.pix.bytesperline = 544 (f->fmt.pix.width * dev->fmt->depth) >> 3; 545 f->fmt.pix.sizeimage = 546 f->fmt.pix.height * f->fmt.pix.bytesperline; 547 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 548 549 return 0; 550 } 551 552 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 553 struct v4l2_format *f) 554 { 555 struct cx23885_dev *dev = video_drvdata(file); 556 struct cx23885_fmt *fmt; 557 enum v4l2_field field; 558 unsigned int maxw, maxh; 559 560 fmt = format_by_fourcc(f->fmt.pix.pixelformat); 561 if (NULL == fmt) 562 return -EINVAL; 563 564 field = f->fmt.pix.field; 565 maxw = 720; 566 maxh = norm_maxh(dev->tvnorm); 567 568 if (V4L2_FIELD_ANY == field) { 569 field = (f->fmt.pix.height > maxh/2) 570 ? V4L2_FIELD_INTERLACED 571 : V4L2_FIELD_BOTTOM; 572 } 573 574 switch (field) { 575 case V4L2_FIELD_TOP: 576 case V4L2_FIELD_BOTTOM: 577 maxh = maxh / 2; 578 break; 579 case V4L2_FIELD_INTERLACED: 580 case V4L2_FIELD_SEQ_TB: 581 case V4L2_FIELD_SEQ_BT: 582 break; 583 default: 584 field = V4L2_FIELD_INTERLACED; 585 break; 586 } 587 588 f->fmt.pix.field = field; 589 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2, 590 &f->fmt.pix.height, 32, maxh, 0, 0); 591 f->fmt.pix.bytesperline = 592 (f->fmt.pix.width * fmt->depth) >> 3; 593 f->fmt.pix.sizeimage = 594 f->fmt.pix.height * f->fmt.pix.bytesperline; 595 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 596 597 return 0; 598 } 599 600 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 601 struct v4l2_format *f) 602 { 603 struct cx23885_dev *dev = video_drvdata(file); 604 struct v4l2_subdev_format format = { 605 .which = V4L2_SUBDEV_FORMAT_ACTIVE, 606 }; 607 int err; 608 609 dprintk(2, "%s()\n", __func__); 610 err = vidioc_try_fmt_vid_cap(file, priv, f); 611 612 if (0 != err) 613 return err; 614 615 if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) || 616 vb2_is_busy(&dev->vb2_mpegq)) 617 return -EBUSY; 618 619 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat); 620 dev->width = f->fmt.pix.width; 621 dev->height = f->fmt.pix.height; 622 dev->field = f->fmt.pix.field; 623 dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, 624 dev->width, dev->height, dev->field); 625 v4l2_fill_mbus_format(&format.format, &f->fmt.pix, MEDIA_BUS_FMT_FIXED); 626 call_all(dev, pad, set_fmt, NULL, &format); 627 v4l2_fill_pix_format(&f->fmt.pix, &format.format); 628 /* set_fmt overwrites f->fmt.pix.field, restore it */ 629 f->fmt.pix.field = dev->field; 630 return 0; 631 } 632 633 static int vidioc_querycap(struct file *file, void *priv, 634 struct v4l2_capability *cap) 635 { 636 struct cx23885_dev *dev = video_drvdata(file); 637 struct video_device *vdev = video_devdata(file); 638 639 strcpy(cap->driver, "cx23885"); 640 strlcpy(cap->card, cx23885_boards[dev->board].name, 641 sizeof(cap->card)); 642 sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); 643 cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_AUDIO; 644 if (dev->tuner_type != TUNER_ABSENT) 645 cap->device_caps |= V4L2_CAP_TUNER; 646 if (vdev->vfl_type == VFL_TYPE_VBI) 647 cap->device_caps |= V4L2_CAP_VBI_CAPTURE; 648 else 649 cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE; 650 cap->capabilities = cap->device_caps | V4L2_CAP_VBI_CAPTURE | 651 V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_DEVICE_CAPS; 652 return 0; 653 } 654 655 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 656 struct v4l2_fmtdesc *f) 657 { 658 if (unlikely(f->index >= ARRAY_SIZE(formats))) 659 return -EINVAL; 660 661 strlcpy(f->description, formats[f->index].name, 662 sizeof(f->description)); 663 f->pixelformat = formats[f->index].fourcc; 664 665 return 0; 666 } 667 668 static int vidioc_cropcap(struct file *file, void *priv, 669 struct v4l2_cropcap *cc) 670 { 671 struct cx23885_dev *dev = video_drvdata(file); 672 bool is_50hz = dev->tvnorm & V4L2_STD_625_50; 673 674 if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 675 return -EINVAL; 676 677 cc->bounds.left = 0; 678 cc->bounds.top = 0; 679 cc->bounds.width = 720; 680 cc->bounds.height = norm_maxh(dev->tvnorm); 681 cc->defrect = cc->bounds; 682 cc->pixelaspect.numerator = is_50hz ? 54 : 11; 683 cc->pixelaspect.denominator = is_50hz ? 59 : 10; 684 685 return 0; 686 } 687 688 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id) 689 { 690 struct cx23885_dev *dev = video_drvdata(file); 691 dprintk(1, "%s()\n", __func__); 692 693 *id = dev->tvnorm; 694 return 0; 695 } 696 697 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms) 698 { 699 struct cx23885_dev *dev = video_drvdata(file); 700 dprintk(1, "%s()\n", __func__); 701 702 return cx23885_set_tvnorm(dev, tvnorms); 703 } 704 705 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i) 706 { 707 static const char *iname[] = { 708 [CX23885_VMUX_COMPOSITE1] = "Composite1", 709 [CX23885_VMUX_COMPOSITE2] = "Composite2", 710 [CX23885_VMUX_COMPOSITE3] = "Composite3", 711 [CX23885_VMUX_COMPOSITE4] = "Composite4", 712 [CX23885_VMUX_SVIDEO] = "S-Video", 713 [CX23885_VMUX_COMPONENT] = "Component", 714 [CX23885_VMUX_TELEVISION] = "Television", 715 [CX23885_VMUX_CABLE] = "Cable TV", 716 [CX23885_VMUX_DVB] = "DVB", 717 [CX23885_VMUX_DEBUG] = "for debug only", 718 }; 719 unsigned int n; 720 dprintk(1, "%s()\n", __func__); 721 722 n = i->index; 723 if (n >= MAX_CX23885_INPUT) 724 return -EINVAL; 725 726 if (0 == INPUT(n)->type) 727 return -EINVAL; 728 729 i->index = n; 730 i->type = V4L2_INPUT_TYPE_CAMERA; 731 strcpy(i->name, iname[INPUT(n)->type]); 732 i->std = CX23885_NORMS; 733 if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) || 734 (CX23885_VMUX_CABLE == INPUT(n)->type)) { 735 i->type = V4L2_INPUT_TYPE_TUNER; 736 i->audioset = 4; 737 } else { 738 /* Two selectable audio inputs for non-tv inputs */ 739 i->audioset = 3; 740 } 741 742 if (dev->input == n) { 743 /* enum'd input matches our configured input. 744 * Ask the video decoder to process the call 745 * and give it an oppertunity to update the 746 * status field. 747 */ 748 call_all(dev, video, g_input_status, &i->status); 749 } 750 751 return 0; 752 } 753 754 static int vidioc_enum_input(struct file *file, void *priv, 755 struct v4l2_input *i) 756 { 757 struct cx23885_dev *dev = video_drvdata(file); 758 dprintk(1, "%s()\n", __func__); 759 return cx23885_enum_input(dev, i); 760 } 761 762 int cx23885_get_input(struct file *file, void *priv, unsigned int *i) 763 { 764 struct cx23885_dev *dev = video_drvdata(file); 765 766 *i = dev->input; 767 dprintk(1, "%s() returns %d\n", __func__, *i); 768 return 0; 769 } 770 771 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) 772 { 773 return cx23885_get_input(file, priv, i); 774 } 775 776 int cx23885_set_input(struct file *file, void *priv, unsigned int i) 777 { 778 struct cx23885_dev *dev = video_drvdata(file); 779 780 dprintk(1, "%s(%d)\n", __func__, i); 781 782 if (i >= MAX_CX23885_INPUT) { 783 dprintk(1, "%s() -EINVAL\n", __func__); 784 return -EINVAL; 785 } 786 787 if (INPUT(i)->type == 0) 788 return -EINVAL; 789 790 cx23885_video_mux(dev, i); 791 792 /* By default establish the default audio input for the card also */ 793 /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */ 794 cx23885_audio_mux(dev, i); 795 return 0; 796 } 797 798 static int vidioc_s_input(struct file *file, void *priv, unsigned int i) 799 { 800 return cx23885_set_input(file, priv, i); 801 } 802 803 static int vidioc_log_status(struct file *file, void *priv) 804 { 805 struct cx23885_dev *dev = video_drvdata(file); 806 807 call_all(dev, core, log_status); 808 return 0; 809 } 810 811 static int cx23885_query_audinput(struct file *file, void *priv, 812 struct v4l2_audio *i) 813 { 814 struct cx23885_dev *dev = video_drvdata(file); 815 static const char *iname[] = { 816 [0] = "Baseband L/R 1", 817 [1] = "Baseband L/R 2", 818 [2] = "TV", 819 }; 820 unsigned int n; 821 dprintk(1, "%s()\n", __func__); 822 823 n = i->index; 824 if (n >= 3) 825 return -EINVAL; 826 827 memset(i, 0, sizeof(*i)); 828 i->index = n; 829 strcpy(i->name, iname[n]); 830 i->capability = V4L2_AUDCAP_STEREO; 831 return 0; 832 833 } 834 835 static int vidioc_enum_audinput(struct file *file, void *priv, 836 struct v4l2_audio *i) 837 { 838 return cx23885_query_audinput(file, priv, i); 839 } 840 841 static int vidioc_g_audinput(struct file *file, void *priv, 842 struct v4l2_audio *i) 843 { 844 struct cx23885_dev *dev = video_drvdata(file); 845 846 if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) || 847 (CX23885_VMUX_CABLE == INPUT(dev->input)->type)) 848 i->index = 2; 849 else 850 i->index = dev->audinput; 851 dprintk(1, "%s(input=%d)\n", __func__, i->index); 852 853 return cx23885_query_audinput(file, priv, i); 854 } 855 856 static int vidioc_s_audinput(struct file *file, void *priv, 857 const struct v4l2_audio *i) 858 { 859 struct cx23885_dev *dev = video_drvdata(file); 860 861 if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) || 862 (CX23885_VMUX_CABLE == INPUT(dev->input)->type)) { 863 return i->index != 2 ? -EINVAL : 0; 864 } 865 if (i->index > 1) 866 return -EINVAL; 867 868 dprintk(1, "%s(%d)\n", __func__, i->index); 869 870 dev->audinput = i->index; 871 872 /* Skip the audio defaults from the cards struct, caller wants 873 * directly touch the audio mux hardware. */ 874 cx23885_flatiron_mux(dev, dev->audinput + 1); 875 return 0; 876 } 877 878 static int vidioc_g_tuner(struct file *file, void *priv, 879 struct v4l2_tuner *t) 880 { 881 struct cx23885_dev *dev = video_drvdata(file); 882 883 if (dev->tuner_type == TUNER_ABSENT) 884 return -EINVAL; 885 if (0 != t->index) 886 return -EINVAL; 887 888 strcpy(t->name, "Television"); 889 890 call_all(dev, tuner, g_tuner, t); 891 return 0; 892 } 893 894 static int vidioc_s_tuner(struct file *file, void *priv, 895 const struct v4l2_tuner *t) 896 { 897 struct cx23885_dev *dev = video_drvdata(file); 898 899 if (dev->tuner_type == TUNER_ABSENT) 900 return -EINVAL; 901 if (0 != t->index) 902 return -EINVAL; 903 /* Update the A/V core */ 904 call_all(dev, tuner, s_tuner, t); 905 906 return 0; 907 } 908 909 static int vidioc_g_frequency(struct file *file, void *priv, 910 struct v4l2_frequency *f) 911 { 912 struct cx23885_dev *dev = video_drvdata(file); 913 914 if (dev->tuner_type == TUNER_ABSENT) 915 return -EINVAL; 916 917 f->type = V4L2_TUNER_ANALOG_TV; 918 f->frequency = dev->freq; 919 920 call_all(dev, tuner, g_frequency, f); 921 922 return 0; 923 } 924 925 static int cx23885_set_freq(struct cx23885_dev *dev, const struct v4l2_frequency *f) 926 { 927 struct v4l2_ctrl *mute; 928 int old_mute_val = 1; 929 930 if (dev->tuner_type == TUNER_ABSENT) 931 return -EINVAL; 932 if (unlikely(f->tuner != 0)) 933 return -EINVAL; 934 935 dev->freq = f->frequency; 936 937 /* I need to mute audio here */ 938 mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE); 939 if (mute) { 940 old_mute_val = v4l2_ctrl_g_ctrl(mute); 941 if (!old_mute_val) 942 v4l2_ctrl_s_ctrl(mute, 1); 943 } 944 945 call_all(dev, tuner, s_frequency, f); 946 947 /* When changing channels it is required to reset TVAUDIO */ 948 msleep(100); 949 950 /* I need to unmute audio here */ 951 if (old_mute_val == 0) 952 v4l2_ctrl_s_ctrl(mute, old_mute_val); 953 954 return 0; 955 } 956 957 static int cx23885_set_freq_via_ops(struct cx23885_dev *dev, 958 const struct v4l2_frequency *f) 959 { 960 struct v4l2_ctrl *mute; 961 int old_mute_val = 1; 962 struct vb2_dvb_frontend *vfe; 963 struct dvb_frontend *fe; 964 965 struct analog_parameters params = { 966 .mode = V4L2_TUNER_ANALOG_TV, 967 .audmode = V4L2_TUNER_MODE_STEREO, 968 .std = dev->tvnorm, 969 .frequency = f->frequency 970 }; 971 972 dev->freq = f->frequency; 973 974 /* I need to mute audio here */ 975 mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE); 976 if (mute) { 977 old_mute_val = v4l2_ctrl_g_ctrl(mute); 978 if (!old_mute_val) 979 v4l2_ctrl_s_ctrl(mute, 1); 980 } 981 982 /* If HVR1850 */ 983 dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__, 984 params.frequency, f->tuner, params.std); 985 986 vfe = vb2_dvb_get_frontend(&dev->ts2.frontends, 1); 987 if (!vfe) { 988 return -EINVAL; 989 } 990 991 fe = vfe->dvb.frontend; 992 993 if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) || 994 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) || 995 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111)) 996 fe = &dev->ts1.analog_fe; 997 998 if (fe && fe->ops.tuner_ops.set_analog_params) { 999 call_all(dev, video, s_std, dev->tvnorm); 1000 fe->ops.tuner_ops.set_analog_params(fe, ¶ms); 1001 } 1002 else 1003 printk(KERN_ERR "%s() No analog tuner, aborting\n", __func__); 1004 1005 /* When changing channels it is required to reset TVAUDIO */ 1006 msleep(100); 1007 1008 /* I need to unmute audio here */ 1009 if (old_mute_val == 0) 1010 v4l2_ctrl_s_ctrl(mute, old_mute_val); 1011 1012 return 0; 1013 } 1014 1015 int cx23885_set_frequency(struct file *file, void *priv, 1016 const struct v4l2_frequency *f) 1017 { 1018 struct cx23885_dev *dev = video_drvdata(file); 1019 int ret; 1020 1021 switch (dev->board) { 1022 case CX23885_BOARD_HAUPPAUGE_HVR1255: 1023 case CX23885_BOARD_HAUPPAUGE_HVR1255_22111: 1024 case CX23885_BOARD_HAUPPAUGE_HVR1850: 1025 ret = cx23885_set_freq_via_ops(dev, f); 1026 break; 1027 default: 1028 ret = cx23885_set_freq(dev, f); 1029 } 1030 1031 return ret; 1032 } 1033 1034 static int vidioc_s_frequency(struct file *file, void *priv, 1035 const struct v4l2_frequency *f) 1036 { 1037 return cx23885_set_frequency(file, priv, f); 1038 } 1039 1040 /* ----------------------------------------------------------- */ 1041 1042 int cx23885_video_irq(struct cx23885_dev *dev, u32 status) 1043 { 1044 u32 mask, count; 1045 int handled = 0; 1046 1047 mask = cx_read(VID_A_INT_MSK); 1048 if (0 == (status & mask)) 1049 return handled; 1050 1051 cx_write(VID_A_INT_STAT, status); 1052 1053 /* risc op code error, fifo overflow or line sync detection error */ 1054 if ((status & VID_BC_MSK_OPC_ERR) || 1055 (status & VID_BC_MSK_SYNC) || 1056 (status & VID_BC_MSK_OF)) { 1057 1058 if (status & VID_BC_MSK_OPC_ERR) { 1059 dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n", 1060 VID_BC_MSK_OPC_ERR); 1061 printk(KERN_WARNING "%s: video risc op code error\n", 1062 dev->name); 1063 cx23885_sram_channel_dump(dev, 1064 &dev->sram_channels[SRAM_CH01]); 1065 } 1066 1067 if (status & VID_BC_MSK_SYNC) 1068 dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) " 1069 "video lines miss-match\n", 1070 VID_BC_MSK_SYNC); 1071 1072 if (status & VID_BC_MSK_OF) 1073 dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n", 1074 VID_BC_MSK_OF); 1075 1076 } 1077 1078 /* Video */ 1079 if (status & VID_BC_MSK_RISCI1) { 1080 spin_lock(&dev->slock); 1081 count = cx_read(VID_A_GPCNT); 1082 cx23885_video_wakeup(dev, &dev->vidq, count); 1083 spin_unlock(&dev->slock); 1084 handled++; 1085 } 1086 1087 /* Allow the VBI framework to process it's payload */ 1088 handled += cx23885_vbi_irq(dev, status); 1089 1090 return handled; 1091 } 1092 1093 /* ----------------------------------------------------------- */ 1094 /* exported stuff */ 1095 1096 static const struct v4l2_file_operations video_fops = { 1097 .owner = THIS_MODULE, 1098 .open = v4l2_fh_open, 1099 .release = vb2_fop_release, 1100 .read = vb2_fop_read, 1101 .poll = vb2_fop_poll, 1102 .unlocked_ioctl = video_ioctl2, 1103 .mmap = vb2_fop_mmap, 1104 }; 1105 1106 static const struct v4l2_ioctl_ops video_ioctl_ops = { 1107 .vidioc_querycap = vidioc_querycap, 1108 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 1109 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 1110 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 1111 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 1112 .vidioc_g_fmt_vbi_cap = cx23885_vbi_fmt, 1113 .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt, 1114 .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt, 1115 .vidioc_reqbufs = vb2_ioctl_reqbufs, 1116 .vidioc_prepare_buf = vb2_ioctl_prepare_buf, 1117 .vidioc_querybuf = vb2_ioctl_querybuf, 1118 .vidioc_qbuf = vb2_ioctl_qbuf, 1119 .vidioc_dqbuf = vb2_ioctl_dqbuf, 1120 .vidioc_streamon = vb2_ioctl_streamon, 1121 .vidioc_streamoff = vb2_ioctl_streamoff, 1122 .vidioc_cropcap = vidioc_cropcap, 1123 .vidioc_s_std = vidioc_s_std, 1124 .vidioc_g_std = vidioc_g_std, 1125 .vidioc_enum_input = vidioc_enum_input, 1126 .vidioc_g_input = vidioc_g_input, 1127 .vidioc_s_input = vidioc_s_input, 1128 .vidioc_log_status = vidioc_log_status, 1129 .vidioc_g_tuner = vidioc_g_tuner, 1130 .vidioc_s_tuner = vidioc_s_tuner, 1131 .vidioc_g_frequency = vidioc_g_frequency, 1132 .vidioc_s_frequency = vidioc_s_frequency, 1133 #ifdef CONFIG_VIDEO_ADV_DEBUG 1134 .vidioc_g_chip_info = cx23885_g_chip_info, 1135 .vidioc_g_register = cx23885_g_register, 1136 .vidioc_s_register = cx23885_s_register, 1137 #endif 1138 .vidioc_enumaudio = vidioc_enum_audinput, 1139 .vidioc_g_audio = vidioc_g_audinput, 1140 .vidioc_s_audio = vidioc_s_audinput, 1141 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 1142 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1143 }; 1144 1145 static struct video_device cx23885_vbi_template; 1146 static struct video_device cx23885_video_template = { 1147 .name = "cx23885-video", 1148 .fops = &video_fops, 1149 .ioctl_ops = &video_ioctl_ops, 1150 .tvnorms = CX23885_NORMS, 1151 }; 1152 1153 void cx23885_video_unregister(struct cx23885_dev *dev) 1154 { 1155 dprintk(1, "%s()\n", __func__); 1156 cx23885_irq_remove(dev, 0x01); 1157 1158 if (dev->vbi_dev) { 1159 if (video_is_registered(dev->vbi_dev)) 1160 video_unregister_device(dev->vbi_dev); 1161 else 1162 video_device_release(dev->vbi_dev); 1163 dev->vbi_dev = NULL; 1164 } 1165 if (dev->video_dev) { 1166 if (video_is_registered(dev->video_dev)) 1167 video_unregister_device(dev->video_dev); 1168 else 1169 video_device_release(dev->video_dev); 1170 dev->video_dev = NULL; 1171 } 1172 1173 if (dev->audio_dev) 1174 cx23885_audio_unregister(dev); 1175 } 1176 1177 int cx23885_video_register(struct cx23885_dev *dev) 1178 { 1179 struct vb2_queue *q; 1180 int err; 1181 1182 dprintk(1, "%s()\n", __func__); 1183 1184 /* Initialize VBI template */ 1185 cx23885_vbi_template = cx23885_video_template; 1186 strcpy(cx23885_vbi_template.name, "cx23885-vbi"); 1187 1188 dev->tvnorm = V4L2_STD_NTSC_M; 1189 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV); 1190 dev->field = V4L2_FIELD_INTERLACED; 1191 dev->width = 720; 1192 dev->height = norm_maxh(dev->tvnorm); 1193 1194 /* init video dma queues */ 1195 INIT_LIST_HEAD(&dev->vidq.active); 1196 1197 /* init vbi dma queues */ 1198 INIT_LIST_HEAD(&dev->vbiq.active); 1199 1200 cx23885_irq_add_enable(dev, 0x01); 1201 1202 if ((TUNER_ABSENT != dev->tuner_type) && 1203 ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) { 1204 struct v4l2_subdev *sd = NULL; 1205 1206 if (dev->tuner_addr) 1207 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1208 &dev->i2c_bus[dev->tuner_bus].i2c_adap, 1209 "tuner", dev->tuner_addr, NULL); 1210 else 1211 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1212 &dev->i2c_bus[dev->tuner_bus].i2c_adap, 1213 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV)); 1214 if (sd) { 1215 struct tuner_setup tun_setup; 1216 1217 memset(&tun_setup, 0, sizeof(tun_setup)); 1218 tun_setup.mode_mask = T_ANALOG_TV; 1219 tun_setup.type = dev->tuner_type; 1220 tun_setup.addr = v4l2_i2c_subdev_addr(sd); 1221 tun_setup.tuner_callback = cx23885_tuner_callback; 1222 1223 v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup); 1224 1225 if ((dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) || 1226 (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200)) { 1227 struct xc2028_ctrl ctrl = { 1228 .fname = XC2028_DEFAULT_FIRMWARE, 1229 .max_len = 64 1230 }; 1231 struct v4l2_priv_tun_config cfg = { 1232 .tuner = dev->tuner_type, 1233 .priv = &ctrl 1234 }; 1235 v4l2_subdev_call(sd, tuner, s_config, &cfg); 1236 } 1237 1238 if (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) { 1239 struct xc2028_ctrl ctrl = { 1240 .fname = "xc3028L-v36.fw", 1241 .max_len = 64 1242 }; 1243 struct v4l2_priv_tun_config cfg = { 1244 .tuner = dev->tuner_type, 1245 .priv = &ctrl 1246 }; 1247 v4l2_subdev_call(sd, tuner, s_config, &cfg); 1248 } 1249 } 1250 } 1251 1252 /* initial device configuration */ 1253 mutex_lock(&dev->lock); 1254 cx23885_set_tvnorm(dev, dev->tvnorm); 1255 cx23885_video_mux(dev, 0); 1256 cx23885_audio_mux(dev, 0); 1257 mutex_unlock(&dev->lock); 1258 1259 q = &dev->vb2_vidq; 1260 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1261 q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ; 1262 q->gfp_flags = GFP_DMA32; 1263 q->min_buffers_needed = 2; 1264 q->drv_priv = dev; 1265 q->buf_struct_size = sizeof(struct cx23885_buffer); 1266 q->ops = &cx23885_video_qops; 1267 q->mem_ops = &vb2_dma_sg_memops; 1268 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1269 q->lock = &dev->lock; 1270 q->dev = &dev->pci->dev; 1271 1272 err = vb2_queue_init(q); 1273 if (err < 0) 1274 goto fail_unreg; 1275 1276 q = &dev->vb2_vbiq; 1277 q->type = V4L2_BUF_TYPE_VBI_CAPTURE; 1278 q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ; 1279 q->gfp_flags = GFP_DMA32; 1280 q->min_buffers_needed = 2; 1281 q->drv_priv = dev; 1282 q->buf_struct_size = sizeof(struct cx23885_buffer); 1283 q->ops = &cx23885_vbi_qops; 1284 q->mem_ops = &vb2_dma_sg_memops; 1285 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1286 q->lock = &dev->lock; 1287 q->dev = &dev->pci->dev; 1288 1289 err = vb2_queue_init(q); 1290 if (err < 0) 1291 goto fail_unreg; 1292 1293 /* register Video device */ 1294 dev->video_dev = cx23885_vdev_init(dev, dev->pci, 1295 &cx23885_video_template, "video"); 1296 dev->video_dev->queue = &dev->vb2_vidq; 1297 err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER, 1298 video_nr[dev->nr]); 1299 if (err < 0) { 1300 printk(KERN_INFO "%s: can't register video device\n", 1301 dev->name); 1302 goto fail_unreg; 1303 } 1304 printk(KERN_INFO "%s: registered device %s [v4l2]\n", 1305 dev->name, video_device_node_name(dev->video_dev)); 1306 1307 /* register VBI device */ 1308 dev->vbi_dev = cx23885_vdev_init(dev, dev->pci, 1309 &cx23885_vbi_template, "vbi"); 1310 dev->vbi_dev->queue = &dev->vb2_vbiq; 1311 err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, 1312 vbi_nr[dev->nr]); 1313 if (err < 0) { 1314 printk(KERN_INFO "%s: can't register vbi device\n", 1315 dev->name); 1316 goto fail_unreg; 1317 } 1318 printk(KERN_INFO "%s: registered device %s\n", 1319 dev->name, video_device_node_name(dev->vbi_dev)); 1320 1321 /* Register ALSA audio device */ 1322 dev->audio_dev = cx23885_audio_register(dev); 1323 1324 return 0; 1325 1326 fail_unreg: 1327 cx23885_video_unregister(dev); 1328 return err; 1329 } 1330