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[], void *alloc_ctxs[]) 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 alloc_ctxs[0] = dev->alloc_ctx; 345 return 0; 346 } 347 348 static int buffer_prepare(struct vb2_buffer *vb) 349 { 350 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 351 struct cx23885_dev *dev = vb->vb2_queue->drv_priv; 352 struct cx23885_buffer *buf = 353 container_of(vbuf, struct cx23885_buffer, vb); 354 u32 line0_offset, line1_offset; 355 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0); 356 int field_tff; 357 358 buf->bpl = (dev->width * dev->fmt->depth) >> 3; 359 360 if (vb2_plane_size(vb, 0) < dev->height * buf->bpl) 361 return -EINVAL; 362 vb2_set_plane_payload(vb, 0, dev->height * buf->bpl); 363 364 switch (dev->field) { 365 case V4L2_FIELD_TOP: 366 cx23885_risc_buffer(dev->pci, &buf->risc, 367 sgt->sgl, 0, UNSET, 368 buf->bpl, 0, dev->height); 369 break; 370 case V4L2_FIELD_BOTTOM: 371 cx23885_risc_buffer(dev->pci, &buf->risc, 372 sgt->sgl, UNSET, 0, 373 buf->bpl, 0, dev->height); 374 break; 375 case V4L2_FIELD_INTERLACED: 376 if (dev->tvnorm & V4L2_STD_525_60) 377 /* NTSC or */ 378 field_tff = 1; 379 else 380 field_tff = 0; 381 382 if (cx23885_boards[dev->board].force_bff) 383 /* PAL / SECAM OR 888 in NTSC MODE */ 384 field_tff = 0; 385 386 if (field_tff) { 387 /* cx25840 transmits NTSC bottom field first */ 388 dprintk(1, "%s() Creating TFF/NTSC risc\n", 389 __func__); 390 line0_offset = buf->bpl; 391 line1_offset = 0; 392 } else { 393 /* All other formats are top field first */ 394 dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n", 395 __func__); 396 line0_offset = 0; 397 line1_offset = buf->bpl; 398 } 399 cx23885_risc_buffer(dev->pci, &buf->risc, 400 sgt->sgl, line0_offset, 401 line1_offset, 402 buf->bpl, buf->bpl, 403 dev->height >> 1); 404 break; 405 case V4L2_FIELD_SEQ_TB: 406 cx23885_risc_buffer(dev->pci, &buf->risc, 407 sgt->sgl, 408 0, buf->bpl * (dev->height >> 1), 409 buf->bpl, 0, 410 dev->height >> 1); 411 break; 412 case V4L2_FIELD_SEQ_BT: 413 cx23885_risc_buffer(dev->pci, &buf->risc, 414 sgt->sgl, 415 buf->bpl * (dev->height >> 1), 0, 416 buf->bpl, 0, 417 dev->height >> 1); 418 break; 419 default: 420 BUG(); 421 } 422 dprintk(2, "[%p/%d] buffer_init - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", 423 buf, buf->vb.vb2_buf.index, 424 dev->width, dev->height, dev->fmt->depth, dev->fmt->name, 425 (unsigned long)buf->risc.dma); 426 return 0; 427 } 428 429 static void buffer_finish(struct vb2_buffer *vb) 430 { 431 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 432 struct cx23885_buffer *buf = container_of(vbuf, 433 struct cx23885_buffer, vb); 434 435 cx23885_free_buffer(vb->vb2_queue->drv_priv, buf); 436 } 437 438 /* 439 * The risc program for each buffer works as follows: it starts with a simple 440 * 'JUMP to addr + 12', which is effectively a NOP. Then the code to DMA the 441 * buffer follows and at the end we have a JUMP back to the start + 12 (skipping 442 * the initial JUMP). 443 * 444 * This is the risc program of the first buffer to be queued if the active list 445 * is empty and it just keeps DMAing this buffer without generating any 446 * interrupts. 447 * 448 * If a new buffer is added then the initial JUMP in the code for that buffer 449 * will generate an interrupt which signals that the previous buffer has been 450 * DMAed successfully and that it can be returned to userspace. 451 * 452 * It also sets the final jump of the previous buffer to the start of the new 453 * buffer, thus chaining the new buffer into the DMA chain. This is a single 454 * atomic u32 write, so there is no race condition. 455 * 456 * The end-result of all this that you only get an interrupt when a buffer 457 * is ready, so the control flow is very easy. 458 */ 459 static void buffer_queue(struct vb2_buffer *vb) 460 { 461 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 462 struct cx23885_dev *dev = vb->vb2_queue->drv_priv; 463 struct cx23885_buffer *buf = container_of(vbuf, 464 struct cx23885_buffer, vb); 465 struct cx23885_buffer *prev; 466 struct cx23885_dmaqueue *q = &dev->vidq; 467 unsigned long flags; 468 469 /* add jump to start */ 470 buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 12); 471 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC); 472 buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 12); 473 buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ 474 475 spin_lock_irqsave(&dev->slock, flags); 476 if (list_empty(&q->active)) { 477 list_add_tail(&buf->queue, &q->active); 478 dprintk(2, "[%p/%d] buffer_queue - first active\n", 479 buf, buf->vb.vb2_buf.index); 480 } else { 481 buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1); 482 prev = list_entry(q->active.prev, struct cx23885_buffer, 483 queue); 484 list_add_tail(&buf->queue, &q->active); 485 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); 486 dprintk(2, "[%p/%d] buffer_queue - append to active\n", 487 buf, buf->vb.vb2_buf.index); 488 } 489 spin_unlock_irqrestore(&dev->slock, flags); 490 } 491 492 static int cx23885_start_streaming(struct vb2_queue *q, unsigned int count) 493 { 494 struct cx23885_dev *dev = q->drv_priv; 495 struct cx23885_dmaqueue *dmaq = &dev->vidq; 496 struct cx23885_buffer *buf = list_entry(dmaq->active.next, 497 struct cx23885_buffer, queue); 498 499 cx23885_start_video_dma(dev, dmaq, buf); 500 return 0; 501 } 502 503 static void cx23885_stop_streaming(struct vb2_queue *q) 504 { 505 struct cx23885_dev *dev = q->drv_priv; 506 struct cx23885_dmaqueue *dmaq = &dev->vidq; 507 unsigned long flags; 508 509 cx_clear(VID_A_DMA_CTL, 0x11); 510 spin_lock_irqsave(&dev->slock, flags); 511 while (!list_empty(&dmaq->active)) { 512 struct cx23885_buffer *buf = list_entry(dmaq->active.next, 513 struct cx23885_buffer, queue); 514 515 list_del(&buf->queue); 516 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); 517 } 518 spin_unlock_irqrestore(&dev->slock, flags); 519 } 520 521 static struct vb2_ops cx23885_video_qops = { 522 .queue_setup = queue_setup, 523 .buf_prepare = buffer_prepare, 524 .buf_finish = buffer_finish, 525 .buf_queue = buffer_queue, 526 .wait_prepare = vb2_ops_wait_prepare, 527 .wait_finish = vb2_ops_wait_finish, 528 .start_streaming = cx23885_start_streaming, 529 .stop_streaming = cx23885_stop_streaming, 530 }; 531 532 /* ------------------------------------------------------------------ */ 533 /* VIDEO IOCTLS */ 534 535 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 536 struct v4l2_format *f) 537 { 538 struct cx23885_dev *dev = video_drvdata(file); 539 540 f->fmt.pix.width = dev->width; 541 f->fmt.pix.height = dev->height; 542 f->fmt.pix.field = dev->field; 543 f->fmt.pix.pixelformat = dev->fmt->fourcc; 544 f->fmt.pix.bytesperline = 545 (f->fmt.pix.width * dev->fmt->depth) >> 3; 546 f->fmt.pix.sizeimage = 547 f->fmt.pix.height * f->fmt.pix.bytesperline; 548 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 549 550 return 0; 551 } 552 553 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 554 struct v4l2_format *f) 555 { 556 struct cx23885_dev *dev = video_drvdata(file); 557 struct cx23885_fmt *fmt; 558 enum v4l2_field field; 559 unsigned int maxw, maxh; 560 561 fmt = format_by_fourcc(f->fmt.pix.pixelformat); 562 if (NULL == fmt) 563 return -EINVAL; 564 565 field = f->fmt.pix.field; 566 maxw = 720; 567 maxh = norm_maxh(dev->tvnorm); 568 569 if (V4L2_FIELD_ANY == field) { 570 field = (f->fmt.pix.height > maxh/2) 571 ? V4L2_FIELD_INTERLACED 572 : V4L2_FIELD_BOTTOM; 573 } 574 575 switch (field) { 576 case V4L2_FIELD_TOP: 577 case V4L2_FIELD_BOTTOM: 578 maxh = maxh / 2; 579 break; 580 case V4L2_FIELD_INTERLACED: 581 case V4L2_FIELD_SEQ_TB: 582 case V4L2_FIELD_SEQ_BT: 583 break; 584 default: 585 field = V4L2_FIELD_INTERLACED; 586 break; 587 } 588 589 f->fmt.pix.field = field; 590 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2, 591 &f->fmt.pix.height, 32, maxh, 0, 0); 592 f->fmt.pix.bytesperline = 593 (f->fmt.pix.width * fmt->depth) >> 3; 594 f->fmt.pix.sizeimage = 595 f->fmt.pix.height * f->fmt.pix.bytesperline; 596 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 597 598 return 0; 599 } 600 601 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 602 struct v4l2_format *f) 603 { 604 struct cx23885_dev *dev = video_drvdata(file); 605 struct v4l2_subdev_format format = { 606 .which = V4L2_SUBDEV_FORMAT_ACTIVE, 607 }; 608 int err; 609 610 dprintk(2, "%s()\n", __func__); 611 err = vidioc_try_fmt_vid_cap(file, priv, f); 612 613 if (0 != err) 614 return err; 615 616 if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) || 617 vb2_is_busy(&dev->vb2_mpegq)) 618 return -EBUSY; 619 620 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat); 621 dev->width = f->fmt.pix.width; 622 dev->height = f->fmt.pix.height; 623 dev->field = f->fmt.pix.field; 624 dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, 625 dev->width, dev->height, dev->field); 626 v4l2_fill_mbus_format(&format.format, &f->fmt.pix, MEDIA_BUS_FMT_FIXED); 627 call_all(dev, pad, set_fmt, NULL, &format); 628 v4l2_fill_pix_format(&f->fmt.pix, &format.format); 629 /* set_fmt overwrites f->fmt.pix.field, restore it */ 630 f->fmt.pix.field = dev->field; 631 return 0; 632 } 633 634 static int vidioc_querycap(struct file *file, void *priv, 635 struct v4l2_capability *cap) 636 { 637 struct cx23885_dev *dev = video_drvdata(file); 638 struct video_device *vdev = video_devdata(file); 639 640 strcpy(cap->driver, "cx23885"); 641 strlcpy(cap->card, cx23885_boards[dev->board].name, 642 sizeof(cap->card)); 643 sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); 644 cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_AUDIO; 645 if (dev->tuner_type != TUNER_ABSENT) 646 cap->device_caps |= V4L2_CAP_TUNER; 647 if (vdev->vfl_type == VFL_TYPE_VBI) 648 cap->device_caps |= V4L2_CAP_VBI_CAPTURE; 649 else 650 cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE; 651 cap->capabilities = cap->device_caps | V4L2_CAP_VBI_CAPTURE | 652 V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_DEVICE_CAPS; 653 return 0; 654 } 655 656 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 657 struct v4l2_fmtdesc *f) 658 { 659 if (unlikely(f->index >= ARRAY_SIZE(formats))) 660 return -EINVAL; 661 662 strlcpy(f->description, formats[f->index].name, 663 sizeof(f->description)); 664 f->pixelformat = formats[f->index].fourcc; 665 666 return 0; 667 } 668 669 static int vidioc_cropcap(struct file *file, void *priv, 670 struct v4l2_cropcap *cc) 671 { 672 struct cx23885_dev *dev = video_drvdata(file); 673 bool is_50hz = dev->tvnorm & V4L2_STD_625_50; 674 675 if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 676 return -EINVAL; 677 678 cc->bounds.left = 0; 679 cc->bounds.top = 0; 680 cc->bounds.width = 720; 681 cc->bounds.height = norm_maxh(dev->tvnorm); 682 cc->defrect = cc->bounds; 683 cc->pixelaspect.numerator = is_50hz ? 54 : 11; 684 cc->pixelaspect.denominator = is_50hz ? 59 : 10; 685 686 return 0; 687 } 688 689 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id) 690 { 691 struct cx23885_dev *dev = video_drvdata(file); 692 dprintk(1, "%s()\n", __func__); 693 694 *id = dev->tvnorm; 695 return 0; 696 } 697 698 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms) 699 { 700 struct cx23885_dev *dev = video_drvdata(file); 701 dprintk(1, "%s()\n", __func__); 702 703 return cx23885_set_tvnorm(dev, tvnorms); 704 } 705 706 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i) 707 { 708 static const char *iname[] = { 709 [CX23885_VMUX_COMPOSITE1] = "Composite1", 710 [CX23885_VMUX_COMPOSITE2] = "Composite2", 711 [CX23885_VMUX_COMPOSITE3] = "Composite3", 712 [CX23885_VMUX_COMPOSITE4] = "Composite4", 713 [CX23885_VMUX_SVIDEO] = "S-Video", 714 [CX23885_VMUX_COMPONENT] = "Component", 715 [CX23885_VMUX_TELEVISION] = "Television", 716 [CX23885_VMUX_CABLE] = "Cable TV", 717 [CX23885_VMUX_DVB] = "DVB", 718 [CX23885_VMUX_DEBUG] = "for debug only", 719 }; 720 unsigned int n; 721 dprintk(1, "%s()\n", __func__); 722 723 n = i->index; 724 if (n >= MAX_CX23885_INPUT) 725 return -EINVAL; 726 727 if (0 == INPUT(n)->type) 728 return -EINVAL; 729 730 i->index = n; 731 i->type = V4L2_INPUT_TYPE_CAMERA; 732 strcpy(i->name, iname[INPUT(n)->type]); 733 i->std = CX23885_NORMS; 734 if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) || 735 (CX23885_VMUX_CABLE == INPUT(n)->type)) { 736 i->type = V4L2_INPUT_TYPE_TUNER; 737 i->audioset = 4; 738 } else { 739 /* Two selectable audio inputs for non-tv inputs */ 740 i->audioset = 3; 741 } 742 743 if (dev->input == n) { 744 /* enum'd input matches our configured input. 745 * Ask the video decoder to process the call 746 * and give it an oppertunity to update the 747 * status field. 748 */ 749 call_all(dev, video, g_input_status, &i->status); 750 } 751 752 return 0; 753 } 754 755 static int vidioc_enum_input(struct file *file, void *priv, 756 struct v4l2_input *i) 757 { 758 struct cx23885_dev *dev = video_drvdata(file); 759 dprintk(1, "%s()\n", __func__); 760 return cx23885_enum_input(dev, i); 761 } 762 763 int cx23885_get_input(struct file *file, void *priv, unsigned int *i) 764 { 765 struct cx23885_dev *dev = video_drvdata(file); 766 767 *i = dev->input; 768 dprintk(1, "%s() returns %d\n", __func__, *i); 769 return 0; 770 } 771 772 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) 773 { 774 return cx23885_get_input(file, priv, i); 775 } 776 777 int cx23885_set_input(struct file *file, void *priv, unsigned int i) 778 { 779 struct cx23885_dev *dev = video_drvdata(file); 780 781 dprintk(1, "%s(%d)\n", __func__, i); 782 783 if (i >= MAX_CX23885_INPUT) { 784 dprintk(1, "%s() -EINVAL\n", __func__); 785 return -EINVAL; 786 } 787 788 if (INPUT(i)->type == 0) 789 return -EINVAL; 790 791 cx23885_video_mux(dev, i); 792 793 /* By default establish the default audio input for the card also */ 794 /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */ 795 cx23885_audio_mux(dev, i); 796 return 0; 797 } 798 799 static int vidioc_s_input(struct file *file, void *priv, unsigned int i) 800 { 801 return cx23885_set_input(file, priv, i); 802 } 803 804 static int vidioc_log_status(struct file *file, void *priv) 805 { 806 struct cx23885_dev *dev = video_drvdata(file); 807 808 call_all(dev, core, log_status); 809 return 0; 810 } 811 812 static int cx23885_query_audinput(struct file *file, void *priv, 813 struct v4l2_audio *i) 814 { 815 struct cx23885_dev *dev = video_drvdata(file); 816 static const char *iname[] = { 817 [0] = "Baseband L/R 1", 818 [1] = "Baseband L/R 2", 819 [2] = "TV", 820 }; 821 unsigned int n; 822 dprintk(1, "%s()\n", __func__); 823 824 n = i->index; 825 if (n >= 3) 826 return -EINVAL; 827 828 memset(i, 0, sizeof(*i)); 829 i->index = n; 830 strcpy(i->name, iname[n]); 831 i->capability = V4L2_AUDCAP_STEREO; 832 return 0; 833 834 } 835 836 static int vidioc_enum_audinput(struct file *file, void *priv, 837 struct v4l2_audio *i) 838 { 839 return cx23885_query_audinput(file, priv, i); 840 } 841 842 static int vidioc_g_audinput(struct file *file, void *priv, 843 struct v4l2_audio *i) 844 { 845 struct cx23885_dev *dev = video_drvdata(file); 846 847 if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) || 848 (CX23885_VMUX_CABLE == INPUT(dev->input)->type)) 849 i->index = 2; 850 else 851 i->index = dev->audinput; 852 dprintk(1, "%s(input=%d)\n", __func__, i->index); 853 854 return cx23885_query_audinput(file, priv, i); 855 } 856 857 static int vidioc_s_audinput(struct file *file, void *priv, 858 const struct v4l2_audio *i) 859 { 860 struct cx23885_dev *dev = video_drvdata(file); 861 862 if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) || 863 (CX23885_VMUX_CABLE == INPUT(dev->input)->type)) { 864 return i->index != 2 ? -EINVAL : 0; 865 } 866 if (i->index > 1) 867 return -EINVAL; 868 869 dprintk(1, "%s(%d)\n", __func__, i->index); 870 871 dev->audinput = i->index; 872 873 /* Skip the audio defaults from the cards struct, caller wants 874 * directly touch the audio mux hardware. */ 875 cx23885_flatiron_mux(dev, dev->audinput + 1); 876 return 0; 877 } 878 879 static int vidioc_g_tuner(struct file *file, void *priv, 880 struct v4l2_tuner *t) 881 { 882 struct cx23885_dev *dev = video_drvdata(file); 883 884 if (dev->tuner_type == TUNER_ABSENT) 885 return -EINVAL; 886 if (0 != t->index) 887 return -EINVAL; 888 889 strcpy(t->name, "Television"); 890 891 call_all(dev, tuner, g_tuner, t); 892 return 0; 893 } 894 895 static int vidioc_s_tuner(struct file *file, void *priv, 896 const struct v4l2_tuner *t) 897 { 898 struct cx23885_dev *dev = video_drvdata(file); 899 900 if (dev->tuner_type == TUNER_ABSENT) 901 return -EINVAL; 902 if (0 != t->index) 903 return -EINVAL; 904 /* Update the A/V core */ 905 call_all(dev, tuner, s_tuner, t); 906 907 return 0; 908 } 909 910 static int vidioc_g_frequency(struct file *file, void *priv, 911 struct v4l2_frequency *f) 912 { 913 struct cx23885_dev *dev = video_drvdata(file); 914 915 if (dev->tuner_type == TUNER_ABSENT) 916 return -EINVAL; 917 918 f->type = V4L2_TUNER_ANALOG_TV; 919 f->frequency = dev->freq; 920 921 call_all(dev, tuner, g_frequency, f); 922 923 return 0; 924 } 925 926 static int cx23885_set_freq(struct cx23885_dev *dev, const struct v4l2_frequency *f) 927 { 928 struct v4l2_ctrl *mute; 929 int old_mute_val = 1; 930 931 if (dev->tuner_type == TUNER_ABSENT) 932 return -EINVAL; 933 if (unlikely(f->tuner != 0)) 934 return -EINVAL; 935 936 dev->freq = f->frequency; 937 938 /* I need to mute audio here */ 939 mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE); 940 if (mute) { 941 old_mute_val = v4l2_ctrl_g_ctrl(mute); 942 if (!old_mute_val) 943 v4l2_ctrl_s_ctrl(mute, 1); 944 } 945 946 call_all(dev, tuner, s_frequency, f); 947 948 /* When changing channels it is required to reset TVAUDIO */ 949 msleep(100); 950 951 /* I need to unmute audio here */ 952 if (old_mute_val == 0) 953 v4l2_ctrl_s_ctrl(mute, old_mute_val); 954 955 return 0; 956 } 957 958 static int cx23885_set_freq_via_ops(struct cx23885_dev *dev, 959 const struct v4l2_frequency *f) 960 { 961 struct v4l2_ctrl *mute; 962 int old_mute_val = 1; 963 struct vb2_dvb_frontend *vfe; 964 struct dvb_frontend *fe; 965 966 struct analog_parameters params = { 967 .mode = V4L2_TUNER_ANALOG_TV, 968 .audmode = V4L2_TUNER_MODE_STEREO, 969 .std = dev->tvnorm, 970 .frequency = f->frequency 971 }; 972 973 dev->freq = f->frequency; 974 975 /* I need to mute audio here */ 976 mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE); 977 if (mute) { 978 old_mute_val = v4l2_ctrl_g_ctrl(mute); 979 if (!old_mute_val) 980 v4l2_ctrl_s_ctrl(mute, 1); 981 } 982 983 /* If HVR1850 */ 984 dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__, 985 params.frequency, f->tuner, params.std); 986 987 vfe = vb2_dvb_get_frontend(&dev->ts2.frontends, 1); 988 if (!vfe) { 989 return -EINVAL; 990 } 991 992 fe = vfe->dvb.frontend; 993 994 if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) || 995 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) || 996 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111)) 997 fe = &dev->ts1.analog_fe; 998 999 if (fe && fe->ops.tuner_ops.set_analog_params) { 1000 call_all(dev, video, s_std, dev->tvnorm); 1001 fe->ops.tuner_ops.set_analog_params(fe, ¶ms); 1002 } 1003 else 1004 printk(KERN_ERR "%s() No analog tuner, aborting\n", __func__); 1005 1006 /* When changing channels it is required to reset TVAUDIO */ 1007 msleep(100); 1008 1009 /* I need to unmute audio here */ 1010 if (old_mute_val == 0) 1011 v4l2_ctrl_s_ctrl(mute, old_mute_val); 1012 1013 return 0; 1014 } 1015 1016 int cx23885_set_frequency(struct file *file, void *priv, 1017 const struct v4l2_frequency *f) 1018 { 1019 struct cx23885_dev *dev = video_drvdata(file); 1020 int ret; 1021 1022 switch (dev->board) { 1023 case CX23885_BOARD_HAUPPAUGE_HVR1255: 1024 case CX23885_BOARD_HAUPPAUGE_HVR1255_22111: 1025 case CX23885_BOARD_HAUPPAUGE_HVR1850: 1026 ret = cx23885_set_freq_via_ops(dev, f); 1027 break; 1028 default: 1029 ret = cx23885_set_freq(dev, f); 1030 } 1031 1032 return ret; 1033 } 1034 1035 static int vidioc_s_frequency(struct file *file, void *priv, 1036 const struct v4l2_frequency *f) 1037 { 1038 return cx23885_set_frequency(file, priv, f); 1039 } 1040 1041 /* ----------------------------------------------------------- */ 1042 1043 int cx23885_video_irq(struct cx23885_dev *dev, u32 status) 1044 { 1045 u32 mask, count; 1046 int handled = 0; 1047 1048 mask = cx_read(VID_A_INT_MSK); 1049 if (0 == (status & mask)) 1050 return handled; 1051 1052 cx_write(VID_A_INT_STAT, status); 1053 1054 /* risc op code error, fifo overflow or line sync detection error */ 1055 if ((status & VID_BC_MSK_OPC_ERR) || 1056 (status & VID_BC_MSK_SYNC) || 1057 (status & VID_BC_MSK_OF)) { 1058 1059 if (status & VID_BC_MSK_OPC_ERR) { 1060 dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n", 1061 VID_BC_MSK_OPC_ERR); 1062 printk(KERN_WARNING "%s: video risc op code error\n", 1063 dev->name); 1064 cx23885_sram_channel_dump(dev, 1065 &dev->sram_channels[SRAM_CH01]); 1066 } 1067 1068 if (status & VID_BC_MSK_SYNC) 1069 dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) " 1070 "video lines miss-match\n", 1071 VID_BC_MSK_SYNC); 1072 1073 if (status & VID_BC_MSK_OF) 1074 dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n", 1075 VID_BC_MSK_OF); 1076 1077 } 1078 1079 /* Video */ 1080 if (status & VID_BC_MSK_RISCI1) { 1081 spin_lock(&dev->slock); 1082 count = cx_read(VID_A_GPCNT); 1083 cx23885_video_wakeup(dev, &dev->vidq, count); 1084 spin_unlock(&dev->slock); 1085 handled++; 1086 } 1087 1088 /* Allow the VBI framework to process it's payload */ 1089 handled += cx23885_vbi_irq(dev, status); 1090 1091 return handled; 1092 } 1093 1094 /* ----------------------------------------------------------- */ 1095 /* exported stuff */ 1096 1097 static const struct v4l2_file_operations video_fops = { 1098 .owner = THIS_MODULE, 1099 .open = v4l2_fh_open, 1100 .release = vb2_fop_release, 1101 .read = vb2_fop_read, 1102 .poll = vb2_fop_poll, 1103 .unlocked_ioctl = video_ioctl2, 1104 .mmap = vb2_fop_mmap, 1105 }; 1106 1107 static const struct v4l2_ioctl_ops video_ioctl_ops = { 1108 .vidioc_querycap = vidioc_querycap, 1109 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 1110 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 1111 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 1112 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 1113 .vidioc_g_fmt_vbi_cap = cx23885_vbi_fmt, 1114 .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt, 1115 .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt, 1116 .vidioc_reqbufs = vb2_ioctl_reqbufs, 1117 .vidioc_prepare_buf = vb2_ioctl_prepare_buf, 1118 .vidioc_querybuf = vb2_ioctl_querybuf, 1119 .vidioc_qbuf = vb2_ioctl_qbuf, 1120 .vidioc_dqbuf = vb2_ioctl_dqbuf, 1121 .vidioc_streamon = vb2_ioctl_streamon, 1122 .vidioc_streamoff = vb2_ioctl_streamoff, 1123 .vidioc_cropcap = vidioc_cropcap, 1124 .vidioc_s_std = vidioc_s_std, 1125 .vidioc_g_std = vidioc_g_std, 1126 .vidioc_enum_input = vidioc_enum_input, 1127 .vidioc_g_input = vidioc_g_input, 1128 .vidioc_s_input = vidioc_s_input, 1129 .vidioc_log_status = vidioc_log_status, 1130 .vidioc_g_tuner = vidioc_g_tuner, 1131 .vidioc_s_tuner = vidioc_s_tuner, 1132 .vidioc_g_frequency = vidioc_g_frequency, 1133 .vidioc_s_frequency = vidioc_s_frequency, 1134 #ifdef CONFIG_VIDEO_ADV_DEBUG 1135 .vidioc_g_chip_info = cx23885_g_chip_info, 1136 .vidioc_g_register = cx23885_g_register, 1137 .vidioc_s_register = cx23885_s_register, 1138 #endif 1139 .vidioc_enumaudio = vidioc_enum_audinput, 1140 .vidioc_g_audio = vidioc_g_audinput, 1141 .vidioc_s_audio = vidioc_s_audinput, 1142 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 1143 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1144 }; 1145 1146 static struct video_device cx23885_vbi_template; 1147 static struct video_device cx23885_video_template = { 1148 .name = "cx23885-video", 1149 .fops = &video_fops, 1150 .ioctl_ops = &video_ioctl_ops, 1151 .tvnorms = CX23885_NORMS, 1152 }; 1153 1154 void cx23885_video_unregister(struct cx23885_dev *dev) 1155 { 1156 dprintk(1, "%s()\n", __func__); 1157 cx23885_irq_remove(dev, 0x01); 1158 1159 if (dev->vbi_dev) { 1160 if (video_is_registered(dev->vbi_dev)) 1161 video_unregister_device(dev->vbi_dev); 1162 else 1163 video_device_release(dev->vbi_dev); 1164 dev->vbi_dev = NULL; 1165 } 1166 if (dev->video_dev) { 1167 if (video_is_registered(dev->video_dev)) 1168 video_unregister_device(dev->video_dev); 1169 else 1170 video_device_release(dev->video_dev); 1171 dev->video_dev = NULL; 1172 } 1173 1174 if (dev->audio_dev) 1175 cx23885_audio_unregister(dev); 1176 } 1177 1178 int cx23885_video_register(struct cx23885_dev *dev) 1179 { 1180 struct vb2_queue *q; 1181 int err; 1182 1183 dprintk(1, "%s()\n", __func__); 1184 1185 /* Initialize VBI template */ 1186 cx23885_vbi_template = cx23885_video_template; 1187 strcpy(cx23885_vbi_template.name, "cx23885-vbi"); 1188 1189 dev->tvnorm = V4L2_STD_NTSC_M; 1190 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV); 1191 dev->field = V4L2_FIELD_INTERLACED; 1192 dev->width = 720; 1193 dev->height = norm_maxh(dev->tvnorm); 1194 1195 /* init video dma queues */ 1196 INIT_LIST_HEAD(&dev->vidq.active); 1197 1198 /* init vbi dma queues */ 1199 INIT_LIST_HEAD(&dev->vbiq.active); 1200 1201 cx23885_irq_add_enable(dev, 0x01); 1202 1203 if ((TUNER_ABSENT != dev->tuner_type) && 1204 ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) { 1205 struct v4l2_subdev *sd = NULL; 1206 1207 if (dev->tuner_addr) 1208 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1209 &dev->i2c_bus[dev->tuner_bus].i2c_adap, 1210 "tuner", dev->tuner_addr, NULL); 1211 else 1212 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1213 &dev->i2c_bus[dev->tuner_bus].i2c_adap, 1214 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV)); 1215 if (sd) { 1216 struct tuner_setup tun_setup; 1217 1218 memset(&tun_setup, 0, sizeof(tun_setup)); 1219 tun_setup.mode_mask = T_ANALOG_TV; 1220 tun_setup.type = dev->tuner_type; 1221 tun_setup.addr = v4l2_i2c_subdev_addr(sd); 1222 tun_setup.tuner_callback = cx23885_tuner_callback; 1223 1224 v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup); 1225 1226 if ((dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) || 1227 (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200)) { 1228 struct xc2028_ctrl ctrl = { 1229 .fname = XC2028_DEFAULT_FIRMWARE, 1230 .max_len = 64 1231 }; 1232 struct v4l2_priv_tun_config cfg = { 1233 .tuner = dev->tuner_type, 1234 .priv = &ctrl 1235 }; 1236 v4l2_subdev_call(sd, tuner, s_config, &cfg); 1237 } 1238 1239 if (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) { 1240 struct xc2028_ctrl ctrl = { 1241 .fname = "xc3028L-v36.fw", 1242 .max_len = 64 1243 }; 1244 struct v4l2_priv_tun_config cfg = { 1245 .tuner = dev->tuner_type, 1246 .priv = &ctrl 1247 }; 1248 v4l2_subdev_call(sd, tuner, s_config, &cfg); 1249 } 1250 } 1251 } 1252 1253 /* initial device configuration */ 1254 mutex_lock(&dev->lock); 1255 cx23885_set_tvnorm(dev, dev->tvnorm); 1256 cx23885_video_mux(dev, 0); 1257 cx23885_audio_mux(dev, 0); 1258 mutex_unlock(&dev->lock); 1259 1260 q = &dev->vb2_vidq; 1261 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1262 q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ; 1263 q->gfp_flags = GFP_DMA32; 1264 q->min_buffers_needed = 2; 1265 q->drv_priv = dev; 1266 q->buf_struct_size = sizeof(struct cx23885_buffer); 1267 q->ops = &cx23885_video_qops; 1268 q->mem_ops = &vb2_dma_sg_memops; 1269 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1270 q->lock = &dev->lock; 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 1288 err = vb2_queue_init(q); 1289 if (err < 0) 1290 goto fail_unreg; 1291 1292 /* register Video device */ 1293 dev->video_dev = cx23885_vdev_init(dev, dev->pci, 1294 &cx23885_video_template, "video"); 1295 dev->video_dev->queue = &dev->vb2_vidq; 1296 err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER, 1297 video_nr[dev->nr]); 1298 if (err < 0) { 1299 printk(KERN_INFO "%s: can't register video device\n", 1300 dev->name); 1301 goto fail_unreg; 1302 } 1303 printk(KERN_INFO "%s: registered device %s [v4l2]\n", 1304 dev->name, video_device_node_name(dev->video_dev)); 1305 1306 /* register VBI device */ 1307 dev->vbi_dev = cx23885_vdev_init(dev, dev->pci, 1308 &cx23885_vbi_template, "vbi"); 1309 dev->vbi_dev->queue = &dev->vb2_vbiq; 1310 err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, 1311 vbi_nr[dev->nr]); 1312 if (err < 0) { 1313 printk(KERN_INFO "%s: can't register vbi device\n", 1314 dev->name); 1315 goto fail_unreg; 1316 } 1317 printk(KERN_INFO "%s: registered device %s\n", 1318 dev->name, video_device_node_name(dev->vbi_dev)); 1319 1320 /* Register ALSA audio device */ 1321 dev->audio_dev = cx23885_audio_register(dev); 1322 1323 return 0; 1324 1325 fail_unreg: 1326 cx23885_video_unregister(dev); 1327 return err; 1328 } 1329