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 "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_QUADHD_ATSC) || 257 (dev->board == CX23885_BOARD_HAUPPAUGE_QUADHD_DVB) || 258 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) || 259 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR5525) || 260 (dev->board == CX23885_BOARD_MYGICA_X8507) || 261 (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) || 262 (dev->board == CX23885_BOARD_VIEWCAST_260E) || 263 (dev->board == CX23885_BOARD_VIEWCAST_460E) || 264 (dev->board == CX23885_BOARD_AVERMEDIA_CE310B)) { 265 /* Configure audio routing */ 266 v4l2_subdev_call(dev->sd_cx25840, audio, s_routing, 267 INPUT(input)->amux, 0, 0); 268 269 if (INPUT(input)->amux == CX25840_AUDIO7) 270 cx23885_flatiron_mux(dev, 1); 271 else if (INPUT(input)->amux == CX25840_AUDIO6) 272 cx23885_flatiron_mux(dev, 2); 273 } 274 275 return 0; 276 } 277 278 static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input) 279 { 280 dprintk(1, "%s(input=%d)\n", __func__, input); 281 282 /* The baseband video core of the cx23885 has two audio inputs. 283 * LR1 and LR2. In almost every single case so far only HVR1xxx 284 * cards we've only ever supported LR1. Time to support LR2, 285 * which is available via the optional white breakout header on 286 * the board. 287 * We'll use a could of existing enums in the card struct to allow 288 * devs to specify which baseband input they need, or just default 289 * to what we've always used. 290 */ 291 if (INPUT(input)->amux == CX25840_AUDIO7) 292 cx23885_flatiron_mux(dev, 1); 293 else if (INPUT(input)->amux == CX25840_AUDIO6) 294 cx23885_flatiron_mux(dev, 2); 295 else { 296 /* Not specifically defined, assume the default. */ 297 cx23885_flatiron_mux(dev, 1); 298 } 299 300 return 0; 301 } 302 303 /* ------------------------------------------------------------------ */ 304 static int cx23885_start_video_dma(struct cx23885_dev *dev, 305 struct cx23885_dmaqueue *q, 306 struct cx23885_buffer *buf) 307 { 308 dprintk(1, "%s()\n", __func__); 309 310 /* Stop the dma/fifo before we tamper with it's risc programs */ 311 cx_clear(VID_A_DMA_CTL, 0x11); 312 313 /* setup fifo + format */ 314 cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01], 315 buf->bpl, buf->risc.dma); 316 317 /* reset counter */ 318 cx_write(VID_A_GPCNT_CTL, 3); 319 q->count = 0; 320 321 /* enable irq */ 322 cx23885_irq_add_enable(dev, 0x01); 323 cx_set(VID_A_INT_MSK, 0x000011); 324 325 /* start dma */ 326 cx_set(DEV_CNTRL2, (1<<5)); 327 cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */ 328 329 return 0; 330 } 331 332 static int queue_setup(struct vb2_queue *q, 333 unsigned int *num_buffers, unsigned int *num_planes, 334 unsigned int sizes[], struct device *alloc_devs[]) 335 { 336 struct cx23885_dev *dev = q->drv_priv; 337 338 *num_planes = 1; 339 sizes[0] = (dev->fmt->depth * dev->width * dev->height) >> 3; 340 return 0; 341 } 342 343 static int buffer_prepare(struct vb2_buffer *vb) 344 { 345 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 346 struct cx23885_dev *dev = vb->vb2_queue->drv_priv; 347 struct cx23885_buffer *buf = 348 container_of(vbuf, struct cx23885_buffer, vb); 349 u32 line0_offset, line1_offset; 350 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0); 351 int field_tff; 352 353 buf->bpl = (dev->width * dev->fmt->depth) >> 3; 354 355 if (vb2_plane_size(vb, 0) < dev->height * buf->bpl) 356 return -EINVAL; 357 vb2_set_plane_payload(vb, 0, dev->height * buf->bpl); 358 359 switch (dev->field) { 360 case V4L2_FIELD_TOP: 361 cx23885_risc_buffer(dev->pci, &buf->risc, 362 sgt->sgl, 0, UNSET, 363 buf->bpl, 0, dev->height); 364 break; 365 case V4L2_FIELD_BOTTOM: 366 cx23885_risc_buffer(dev->pci, &buf->risc, 367 sgt->sgl, UNSET, 0, 368 buf->bpl, 0, dev->height); 369 break; 370 case V4L2_FIELD_INTERLACED: 371 if (dev->tvnorm & V4L2_STD_525_60) 372 /* NTSC or */ 373 field_tff = 1; 374 else 375 field_tff = 0; 376 377 if (cx23885_boards[dev->board].force_bff) 378 /* PAL / SECAM OR 888 in NTSC MODE */ 379 field_tff = 0; 380 381 if (field_tff) { 382 /* cx25840 transmits NTSC bottom field first */ 383 dprintk(1, "%s() Creating TFF/NTSC risc\n", 384 __func__); 385 line0_offset = buf->bpl; 386 line1_offset = 0; 387 } else { 388 /* All other formats are top field first */ 389 dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n", 390 __func__); 391 line0_offset = 0; 392 line1_offset = buf->bpl; 393 } 394 cx23885_risc_buffer(dev->pci, &buf->risc, 395 sgt->sgl, line0_offset, 396 line1_offset, 397 buf->bpl, buf->bpl, 398 dev->height >> 1); 399 break; 400 case V4L2_FIELD_SEQ_TB: 401 cx23885_risc_buffer(dev->pci, &buf->risc, 402 sgt->sgl, 403 0, buf->bpl * (dev->height >> 1), 404 buf->bpl, 0, 405 dev->height >> 1); 406 break; 407 case V4L2_FIELD_SEQ_BT: 408 cx23885_risc_buffer(dev->pci, &buf->risc, 409 sgt->sgl, 410 buf->bpl * (dev->height >> 1), 0, 411 buf->bpl, 0, 412 dev->height >> 1); 413 break; 414 default: 415 BUG(); 416 } 417 dprintk(2, "[%p/%d] buffer_init - %dx%d %dbpp 0x%08x - dma=0x%08lx\n", 418 buf, buf->vb.vb2_buf.index, 419 dev->width, dev->height, dev->fmt->depth, dev->fmt->fourcc, 420 (unsigned long)buf->risc.dma); 421 return 0; 422 } 423 424 static void buffer_finish(struct vb2_buffer *vb) 425 { 426 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 427 struct cx23885_buffer *buf = container_of(vbuf, 428 struct cx23885_buffer, vb); 429 430 cx23885_free_buffer(vb->vb2_queue->drv_priv, buf); 431 } 432 433 /* 434 * The risc program for each buffer works as follows: it starts with a simple 435 * 'JUMP to addr + 12', which is effectively a NOP. Then the code to DMA the 436 * buffer follows and at the end we have a JUMP back to the start + 12 (skipping 437 * the initial JUMP). 438 * 439 * This is the risc program of the first buffer to be queued if the active list 440 * is empty and it just keeps DMAing this buffer without generating any 441 * interrupts. 442 * 443 * If a new buffer is added then the initial JUMP in the code for that buffer 444 * will generate an interrupt which signals that the previous buffer has been 445 * DMAed successfully and that it can be returned to userspace. 446 * 447 * It also sets the final jump of the previous buffer to the start of the new 448 * buffer, thus chaining the new buffer into the DMA chain. This is a single 449 * atomic u32 write, so there is no race condition. 450 * 451 * The end-result of all this that you only get an interrupt when a buffer 452 * is ready, so the control flow is very easy. 453 */ 454 static void buffer_queue(struct vb2_buffer *vb) 455 { 456 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 457 struct cx23885_dev *dev = vb->vb2_queue->drv_priv; 458 struct cx23885_buffer *buf = container_of(vbuf, 459 struct cx23885_buffer, vb); 460 struct cx23885_buffer *prev; 461 struct cx23885_dmaqueue *q = &dev->vidq; 462 unsigned long flags; 463 464 /* add jump to start */ 465 buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 12); 466 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC); 467 buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 12); 468 buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ 469 470 spin_lock_irqsave(&dev->slock, flags); 471 if (list_empty(&q->active)) { 472 list_add_tail(&buf->queue, &q->active); 473 dprintk(2, "[%p/%d] buffer_queue - first active\n", 474 buf, buf->vb.vb2_buf.index); 475 } else { 476 buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1); 477 prev = list_entry(q->active.prev, struct cx23885_buffer, 478 queue); 479 list_add_tail(&buf->queue, &q->active); 480 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); 481 dprintk(2, "[%p/%d] buffer_queue - append to active\n", 482 buf, buf->vb.vb2_buf.index); 483 } 484 spin_unlock_irqrestore(&dev->slock, flags); 485 } 486 487 static int cx23885_start_streaming(struct vb2_queue *q, unsigned int count) 488 { 489 struct cx23885_dev *dev = q->drv_priv; 490 struct cx23885_dmaqueue *dmaq = &dev->vidq; 491 struct cx23885_buffer *buf = list_entry(dmaq->active.next, 492 struct cx23885_buffer, queue); 493 494 cx23885_start_video_dma(dev, dmaq, buf); 495 return 0; 496 } 497 498 static void cx23885_stop_streaming(struct vb2_queue *q) 499 { 500 struct cx23885_dev *dev = q->drv_priv; 501 struct cx23885_dmaqueue *dmaq = &dev->vidq; 502 unsigned long flags; 503 504 cx_clear(VID_A_DMA_CTL, 0x11); 505 spin_lock_irqsave(&dev->slock, flags); 506 while (!list_empty(&dmaq->active)) { 507 struct cx23885_buffer *buf = list_entry(dmaq->active.next, 508 struct cx23885_buffer, queue); 509 510 list_del(&buf->queue); 511 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); 512 } 513 spin_unlock_irqrestore(&dev->slock, flags); 514 } 515 516 static const struct vb2_ops cx23885_video_qops = { 517 .queue_setup = queue_setup, 518 .buf_prepare = buffer_prepare, 519 .buf_finish = buffer_finish, 520 .buf_queue = buffer_queue, 521 .wait_prepare = vb2_ops_wait_prepare, 522 .wait_finish = vb2_ops_wait_finish, 523 .start_streaming = cx23885_start_streaming, 524 .stop_streaming = cx23885_stop_streaming, 525 }; 526 527 /* ------------------------------------------------------------------ */ 528 /* VIDEO IOCTLS */ 529 530 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 531 struct v4l2_format *f) 532 { 533 struct cx23885_dev *dev = video_drvdata(file); 534 535 f->fmt.pix.width = dev->width; 536 f->fmt.pix.height = dev->height; 537 f->fmt.pix.field = dev->field; 538 f->fmt.pix.pixelformat = dev->fmt->fourcc; 539 f->fmt.pix.bytesperline = 540 (f->fmt.pix.width * dev->fmt->depth) >> 3; 541 f->fmt.pix.sizeimage = 542 f->fmt.pix.height * f->fmt.pix.bytesperline; 543 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 544 545 return 0; 546 } 547 548 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 549 struct v4l2_format *f) 550 { 551 struct cx23885_dev *dev = video_drvdata(file); 552 struct cx23885_fmt *fmt; 553 enum v4l2_field field; 554 unsigned int maxw, maxh; 555 556 fmt = format_by_fourcc(f->fmt.pix.pixelformat); 557 if (NULL == fmt) 558 return -EINVAL; 559 560 field = f->fmt.pix.field; 561 maxw = 720; 562 maxh = norm_maxh(dev->tvnorm); 563 564 if (V4L2_FIELD_ANY == field) { 565 field = (f->fmt.pix.height > maxh/2) 566 ? V4L2_FIELD_INTERLACED 567 : V4L2_FIELD_BOTTOM; 568 } 569 570 switch (field) { 571 case V4L2_FIELD_TOP: 572 case V4L2_FIELD_BOTTOM: 573 maxh = maxh / 2; 574 break; 575 case V4L2_FIELD_INTERLACED: 576 case V4L2_FIELD_SEQ_TB: 577 case V4L2_FIELD_SEQ_BT: 578 break; 579 default: 580 field = V4L2_FIELD_INTERLACED; 581 break; 582 } 583 584 f->fmt.pix.field = field; 585 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2, 586 &f->fmt.pix.height, 32, maxh, 0, 0); 587 f->fmt.pix.bytesperline = 588 (f->fmt.pix.width * fmt->depth) >> 3; 589 f->fmt.pix.sizeimage = 590 f->fmt.pix.height * f->fmt.pix.bytesperline; 591 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 592 593 return 0; 594 } 595 596 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 597 struct v4l2_format *f) 598 { 599 struct cx23885_dev *dev = video_drvdata(file); 600 struct v4l2_subdev_format format = { 601 .which = V4L2_SUBDEV_FORMAT_ACTIVE, 602 }; 603 int err; 604 605 dprintk(2, "%s()\n", __func__); 606 err = vidioc_try_fmt_vid_cap(file, priv, f); 607 608 if (0 != err) 609 return err; 610 611 if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) || 612 vb2_is_busy(&dev->vb2_mpegq)) 613 return -EBUSY; 614 615 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat); 616 dev->width = f->fmt.pix.width; 617 dev->height = f->fmt.pix.height; 618 dev->field = f->fmt.pix.field; 619 dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, 620 dev->width, dev->height, dev->field); 621 v4l2_fill_mbus_format(&format.format, &f->fmt.pix, MEDIA_BUS_FMT_FIXED); 622 call_all(dev, pad, set_fmt, NULL, &format); 623 v4l2_fill_pix_format(&f->fmt.pix, &format.format); 624 /* set_fmt overwrites f->fmt.pix.field, restore it */ 625 f->fmt.pix.field = dev->field; 626 return 0; 627 } 628 629 static int vidioc_querycap(struct file *file, void *priv, 630 struct v4l2_capability *cap) 631 { 632 struct cx23885_dev *dev = video_drvdata(file); 633 634 strscpy(cap->driver, "cx23885", sizeof(cap->driver)); 635 strscpy(cap->card, cx23885_boards[dev->board].name, 636 sizeof(cap->card)); 637 sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); 638 cap->capabilities = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | 639 V4L2_CAP_AUDIO | V4L2_CAP_VBI_CAPTURE | 640 V4L2_CAP_VIDEO_CAPTURE | 641 V4L2_CAP_DEVICE_CAPS; 642 switch (dev->board) { /* i2c device tuners */ 643 case CX23885_BOARD_HAUPPAUGE_HVR1265_K4: 644 case CX23885_BOARD_HAUPPAUGE_HVR5525: 645 case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB: 646 case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC: 647 cap->capabilities |= V4L2_CAP_TUNER; 648 break; 649 default: 650 if (dev->tuner_type != TUNER_ABSENT) 651 cap->capabilities |= V4L2_CAP_TUNER; 652 break; 653 } 654 return 0; 655 } 656 657 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 658 struct v4l2_fmtdesc *f) 659 { 660 if (unlikely(f->index >= ARRAY_SIZE(formats))) 661 return -EINVAL; 662 663 f->pixelformat = formats[f->index].fourcc; 664 665 return 0; 666 } 667 668 static int vidioc_g_pixelaspect(struct file *file, void *priv, 669 int type, struct v4l2_fract *f) 670 { 671 struct cx23885_dev *dev = video_drvdata(file); 672 bool is_50hz = dev->tvnorm & V4L2_STD_625_50; 673 674 if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 675 return -EINVAL; 676 677 f->numerator = is_50hz ? 54 : 11; 678 f->denominator = is_50hz ? 59 : 10; 679 680 return 0; 681 } 682 683 static int vidioc_g_selection(struct file *file, void *fh, 684 struct v4l2_selection *sel) 685 { 686 struct cx23885_dev *dev = video_drvdata(file); 687 688 if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 689 return -EINVAL; 690 691 switch (sel->target) { 692 case V4L2_SEL_TGT_CROP_BOUNDS: 693 case V4L2_SEL_TGT_CROP_DEFAULT: 694 sel->r.top = 0; 695 sel->r.left = 0; 696 sel->r.width = 720; 697 sel->r.height = norm_maxh(dev->tvnorm); 698 break; 699 default: 700 return -EINVAL; 701 } 702 return 0; 703 } 704 705 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id) 706 { 707 struct cx23885_dev *dev = video_drvdata(file); 708 dprintk(1, "%s()\n", __func__); 709 710 *id = dev->tvnorm; 711 return 0; 712 } 713 714 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms) 715 { 716 struct cx23885_dev *dev = video_drvdata(file); 717 dprintk(1, "%s()\n", __func__); 718 719 return cx23885_set_tvnorm(dev, tvnorms); 720 } 721 722 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i) 723 { 724 static const char *iname[] = { 725 [CX23885_VMUX_COMPOSITE1] = "Composite1", 726 [CX23885_VMUX_COMPOSITE2] = "Composite2", 727 [CX23885_VMUX_COMPOSITE3] = "Composite3", 728 [CX23885_VMUX_COMPOSITE4] = "Composite4", 729 [CX23885_VMUX_SVIDEO] = "S-Video", 730 [CX23885_VMUX_COMPONENT] = "Component", 731 [CX23885_VMUX_TELEVISION] = "Television", 732 [CX23885_VMUX_CABLE] = "Cable TV", 733 [CX23885_VMUX_DVB] = "DVB", 734 [CX23885_VMUX_DEBUG] = "for debug only", 735 }; 736 unsigned int n; 737 dprintk(1, "%s()\n", __func__); 738 739 n = i->index; 740 if (n >= MAX_CX23885_INPUT) 741 return -EINVAL; 742 743 if (0 == INPUT(n)->type) 744 return -EINVAL; 745 746 i->index = n; 747 i->type = V4L2_INPUT_TYPE_CAMERA; 748 strscpy(i->name, iname[INPUT(n)->type], sizeof(i->name)); 749 i->std = CX23885_NORMS; 750 if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) || 751 (CX23885_VMUX_CABLE == INPUT(n)->type)) { 752 i->type = V4L2_INPUT_TYPE_TUNER; 753 i->audioset = 4; 754 } else { 755 /* Two selectable audio inputs for non-tv inputs */ 756 i->audioset = 3; 757 } 758 759 if (dev->input == n) { 760 /* enum'd input matches our configured input. 761 * Ask the video decoder to process the call 762 * and give it an oppertunity to update the 763 * status field. 764 */ 765 call_all(dev, video, g_input_status, &i->status); 766 } 767 768 return 0; 769 } 770 771 static int vidioc_enum_input(struct file *file, void *priv, 772 struct v4l2_input *i) 773 { 774 struct cx23885_dev *dev = video_drvdata(file); 775 dprintk(1, "%s()\n", __func__); 776 return cx23885_enum_input(dev, i); 777 } 778 779 int cx23885_get_input(struct file *file, void *priv, unsigned int *i) 780 { 781 struct cx23885_dev *dev = video_drvdata(file); 782 783 *i = dev->input; 784 dprintk(1, "%s() returns %d\n", __func__, *i); 785 return 0; 786 } 787 788 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) 789 { 790 return cx23885_get_input(file, priv, i); 791 } 792 793 int cx23885_set_input(struct file *file, void *priv, unsigned int i) 794 { 795 struct cx23885_dev *dev = video_drvdata(file); 796 797 dprintk(1, "%s(%d)\n", __func__, i); 798 799 if (i >= MAX_CX23885_INPUT) { 800 dprintk(1, "%s() -EINVAL\n", __func__); 801 return -EINVAL; 802 } 803 804 if (INPUT(i)->type == 0) 805 return -EINVAL; 806 807 cx23885_video_mux(dev, i); 808 809 /* By default establish the default audio input for the card also */ 810 /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */ 811 cx23885_audio_mux(dev, i); 812 return 0; 813 } 814 815 static int vidioc_s_input(struct file *file, void *priv, unsigned int i) 816 { 817 return cx23885_set_input(file, priv, i); 818 } 819 820 static int vidioc_log_status(struct file *file, void *priv) 821 { 822 struct cx23885_dev *dev = video_drvdata(file); 823 824 call_all(dev, core, log_status); 825 return 0; 826 } 827 828 static int cx23885_query_audinput(struct file *file, void *priv, 829 struct v4l2_audio *i) 830 { 831 static const char *iname[] = { 832 [0] = "Baseband L/R 1", 833 [1] = "Baseband L/R 2", 834 [2] = "TV", 835 }; 836 unsigned int n; 837 dprintk(1, "%s()\n", __func__); 838 839 n = i->index; 840 if (n >= 3) 841 return -EINVAL; 842 843 memset(i, 0, sizeof(*i)); 844 i->index = n; 845 strscpy(i->name, iname[n], sizeof(i->name)); 846 i->capability = V4L2_AUDCAP_STEREO; 847 return 0; 848 849 } 850 851 static int vidioc_enum_audinput(struct file *file, void *priv, 852 struct v4l2_audio *i) 853 { 854 return cx23885_query_audinput(file, priv, i); 855 } 856 857 static int vidioc_g_audinput(struct file *file, void *priv, 858 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 i->index = 2; 865 else 866 i->index = dev->audinput; 867 dprintk(1, "%s(input=%d)\n", __func__, i->index); 868 869 return cx23885_query_audinput(file, priv, i); 870 } 871 872 static int vidioc_s_audinput(struct file *file, void *priv, 873 const struct v4l2_audio *i) 874 { 875 struct cx23885_dev *dev = video_drvdata(file); 876 877 if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) || 878 (CX23885_VMUX_CABLE == INPUT(dev->input)->type)) { 879 return i->index != 2 ? -EINVAL : 0; 880 } 881 if (i->index > 1) 882 return -EINVAL; 883 884 dprintk(1, "%s(%d)\n", __func__, i->index); 885 886 dev->audinput = i->index; 887 888 /* Skip the audio defaults from the cards struct, caller wants 889 * directly touch the audio mux hardware. */ 890 cx23885_flatiron_mux(dev, dev->audinput + 1); 891 return 0; 892 } 893 894 static int vidioc_g_tuner(struct file *file, void *priv, 895 struct v4l2_tuner *t) 896 { 897 struct cx23885_dev *dev = video_drvdata(file); 898 899 switch (dev->board) { /* i2c device tuners */ 900 case CX23885_BOARD_HAUPPAUGE_HVR1265_K4: 901 case CX23885_BOARD_HAUPPAUGE_HVR5525: 902 case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB: 903 case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC: 904 break; 905 default: 906 if (dev->tuner_type == TUNER_ABSENT) 907 return -EINVAL; 908 break; 909 } 910 if (0 != t->index) 911 return -EINVAL; 912 913 strscpy(t->name, "Television", sizeof(t->name)); 914 915 call_all(dev, tuner, g_tuner, t); 916 return 0; 917 } 918 919 static int vidioc_s_tuner(struct file *file, void *priv, 920 const struct v4l2_tuner *t) 921 { 922 struct cx23885_dev *dev = video_drvdata(file); 923 924 switch (dev->board) { /* i2c device tuners */ 925 case CX23885_BOARD_HAUPPAUGE_HVR1265_K4: 926 case CX23885_BOARD_HAUPPAUGE_HVR5525: 927 case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB: 928 case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC: 929 break; 930 default: 931 if (dev->tuner_type == TUNER_ABSENT) 932 return -EINVAL; 933 break; 934 } 935 if (0 != t->index) 936 return -EINVAL; 937 /* Update the A/V core */ 938 call_all(dev, tuner, s_tuner, t); 939 940 return 0; 941 } 942 943 static int vidioc_g_frequency(struct file *file, void *priv, 944 struct v4l2_frequency *f) 945 { 946 struct cx23885_dev *dev = video_drvdata(file); 947 948 switch (dev->board) { /* i2c device tuners */ 949 case CX23885_BOARD_HAUPPAUGE_HVR1265_K4: 950 case CX23885_BOARD_HAUPPAUGE_HVR5525: 951 case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB: 952 case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC: 953 break; 954 default: 955 if (dev->tuner_type == TUNER_ABSENT) 956 return -EINVAL; 957 break; 958 } 959 f->type = V4L2_TUNER_ANALOG_TV; 960 f->frequency = dev->freq; 961 962 call_all(dev, tuner, g_frequency, f); 963 964 return 0; 965 } 966 967 static int cx23885_set_freq(struct cx23885_dev *dev, const struct v4l2_frequency *f) 968 { 969 struct v4l2_ctrl *mute; 970 int old_mute_val = 1; 971 972 switch (dev->board) { /* i2c device tuners */ 973 case CX23885_BOARD_HAUPPAUGE_HVR1265_K4: 974 case CX23885_BOARD_HAUPPAUGE_HVR5525: 975 case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB: 976 case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC: 977 break; 978 default: 979 if (dev->tuner_type == TUNER_ABSENT) 980 return -EINVAL; 981 break; 982 } 983 if (unlikely(f->tuner != 0)) 984 return -EINVAL; 985 986 dev->freq = f->frequency; 987 988 /* I need to mute audio here */ 989 mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE); 990 if (mute) { 991 old_mute_val = v4l2_ctrl_g_ctrl(mute); 992 if (!old_mute_val) 993 v4l2_ctrl_s_ctrl(mute, 1); 994 } 995 996 call_all(dev, tuner, s_frequency, f); 997 998 /* When changing channels it is required to reset TVAUDIO */ 999 msleep(100); 1000 1001 /* I need to unmute audio here */ 1002 if (old_mute_val == 0) 1003 v4l2_ctrl_s_ctrl(mute, old_mute_val); 1004 1005 return 0; 1006 } 1007 1008 static int cx23885_set_freq_via_ops(struct cx23885_dev *dev, 1009 const struct v4l2_frequency *f) 1010 { 1011 struct v4l2_ctrl *mute; 1012 int old_mute_val = 1; 1013 struct vb2_dvb_frontend *vfe; 1014 struct dvb_frontend *fe; 1015 1016 struct analog_parameters params = { 1017 .mode = V4L2_TUNER_ANALOG_TV, 1018 .audmode = V4L2_TUNER_MODE_STEREO, 1019 .std = dev->tvnorm, 1020 .frequency = f->frequency 1021 }; 1022 1023 dev->freq = f->frequency; 1024 1025 /* I need to mute audio here */ 1026 mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE); 1027 if (mute) { 1028 old_mute_val = v4l2_ctrl_g_ctrl(mute); 1029 if (!old_mute_val) 1030 v4l2_ctrl_s_ctrl(mute, 1); 1031 } 1032 1033 /* If HVR1850 */ 1034 dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__, 1035 params.frequency, f->tuner, params.std); 1036 1037 vfe = vb2_dvb_get_frontend(&dev->ts2.frontends, 1); 1038 if (!vfe) { 1039 return -EINVAL; 1040 } 1041 1042 fe = vfe->dvb.frontend; 1043 1044 if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) || 1045 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) || 1046 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) || 1047 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1265_K4) || 1048 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR5525) || 1049 (dev->board == CX23885_BOARD_HAUPPAUGE_QUADHD_DVB) || 1050 (dev->board == CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC)) 1051 fe = &dev->ts1.analog_fe; 1052 1053 if (fe && fe->ops.tuner_ops.set_analog_params) { 1054 call_all(dev, video, s_std, dev->tvnorm); 1055 fe->ops.tuner_ops.set_analog_params(fe, ¶ms); 1056 } 1057 else 1058 pr_err("%s() No analog tuner, aborting\n", __func__); 1059 1060 /* When changing channels it is required to reset TVAUDIO */ 1061 msleep(100); 1062 1063 /* I need to unmute audio here */ 1064 if (old_mute_val == 0) 1065 v4l2_ctrl_s_ctrl(mute, old_mute_val); 1066 1067 return 0; 1068 } 1069 1070 int cx23885_set_frequency(struct file *file, void *priv, 1071 const struct v4l2_frequency *f) 1072 { 1073 struct cx23885_dev *dev = video_drvdata(file); 1074 int ret; 1075 1076 switch (dev->board) { 1077 case CX23885_BOARD_HAUPPAUGE_HVR1255: 1078 case CX23885_BOARD_HAUPPAUGE_HVR1255_22111: 1079 case CX23885_BOARD_HAUPPAUGE_HVR1265_K4: 1080 case CX23885_BOARD_HAUPPAUGE_HVR1850: 1081 case CX23885_BOARD_HAUPPAUGE_HVR5525: 1082 case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB: 1083 case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC: 1084 ret = cx23885_set_freq_via_ops(dev, f); 1085 break; 1086 default: 1087 ret = cx23885_set_freq(dev, f); 1088 } 1089 1090 return ret; 1091 } 1092 1093 static int vidioc_s_frequency(struct file *file, void *priv, 1094 const struct v4l2_frequency *f) 1095 { 1096 return cx23885_set_frequency(file, priv, f); 1097 } 1098 1099 /* ----------------------------------------------------------- */ 1100 1101 int cx23885_video_irq(struct cx23885_dev *dev, u32 status) 1102 { 1103 u32 mask, count; 1104 int handled = 0; 1105 1106 mask = cx_read(VID_A_INT_MSK); 1107 if (0 == (status & mask)) 1108 return handled; 1109 1110 cx_write(VID_A_INT_STAT, status); 1111 1112 /* risc op code error, fifo overflow or line sync detection error */ 1113 if ((status & VID_BC_MSK_OPC_ERR) || 1114 (status & VID_BC_MSK_SYNC) || 1115 (status & VID_BC_MSK_OF)) { 1116 1117 if (status & VID_BC_MSK_OPC_ERR) { 1118 dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n", 1119 VID_BC_MSK_OPC_ERR); 1120 pr_warn("%s: video risc op code error\n", 1121 dev->name); 1122 cx23885_sram_channel_dump(dev, 1123 &dev->sram_channels[SRAM_CH01]); 1124 } 1125 1126 if (status & VID_BC_MSK_SYNC) 1127 dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) video lines miss-match\n", 1128 VID_BC_MSK_SYNC); 1129 1130 if (status & VID_BC_MSK_OF) 1131 dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n", 1132 VID_BC_MSK_OF); 1133 1134 } 1135 1136 /* Video */ 1137 if (status & VID_BC_MSK_RISCI1) { 1138 spin_lock(&dev->slock); 1139 count = cx_read(VID_A_GPCNT); 1140 cx23885_video_wakeup(dev, &dev->vidq, count); 1141 spin_unlock(&dev->slock); 1142 handled++; 1143 } 1144 1145 /* Allow the VBI framework to process it's payload */ 1146 handled += cx23885_vbi_irq(dev, status); 1147 1148 return handled; 1149 } 1150 1151 /* ----------------------------------------------------------- */ 1152 /* exported stuff */ 1153 1154 static const struct v4l2_file_operations video_fops = { 1155 .owner = THIS_MODULE, 1156 .open = v4l2_fh_open, 1157 .release = vb2_fop_release, 1158 .read = vb2_fop_read, 1159 .poll = vb2_fop_poll, 1160 .unlocked_ioctl = video_ioctl2, 1161 .mmap = vb2_fop_mmap, 1162 }; 1163 1164 static const struct v4l2_ioctl_ops video_ioctl_ops = { 1165 .vidioc_querycap = vidioc_querycap, 1166 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 1167 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 1168 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 1169 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 1170 .vidioc_g_fmt_vbi_cap = cx23885_vbi_fmt, 1171 .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt, 1172 .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt, 1173 .vidioc_reqbufs = vb2_ioctl_reqbufs, 1174 .vidioc_prepare_buf = vb2_ioctl_prepare_buf, 1175 .vidioc_querybuf = vb2_ioctl_querybuf, 1176 .vidioc_qbuf = vb2_ioctl_qbuf, 1177 .vidioc_dqbuf = vb2_ioctl_dqbuf, 1178 .vidioc_streamon = vb2_ioctl_streamon, 1179 .vidioc_streamoff = vb2_ioctl_streamoff, 1180 .vidioc_g_pixelaspect = vidioc_g_pixelaspect, 1181 .vidioc_g_selection = vidioc_g_selection, 1182 .vidioc_s_std = vidioc_s_std, 1183 .vidioc_g_std = vidioc_g_std, 1184 .vidioc_enum_input = vidioc_enum_input, 1185 .vidioc_g_input = vidioc_g_input, 1186 .vidioc_s_input = vidioc_s_input, 1187 .vidioc_log_status = vidioc_log_status, 1188 .vidioc_g_tuner = vidioc_g_tuner, 1189 .vidioc_s_tuner = vidioc_s_tuner, 1190 .vidioc_g_frequency = vidioc_g_frequency, 1191 .vidioc_s_frequency = vidioc_s_frequency, 1192 #ifdef CONFIG_VIDEO_ADV_DEBUG 1193 .vidioc_g_chip_info = cx23885_g_chip_info, 1194 .vidioc_g_register = cx23885_g_register, 1195 .vidioc_s_register = cx23885_s_register, 1196 #endif 1197 .vidioc_enumaudio = vidioc_enum_audinput, 1198 .vidioc_g_audio = vidioc_g_audinput, 1199 .vidioc_s_audio = vidioc_s_audinput, 1200 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 1201 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1202 }; 1203 1204 static struct video_device cx23885_vbi_template; 1205 static struct video_device cx23885_video_template = { 1206 .name = "cx23885-video", 1207 .fops = &video_fops, 1208 .ioctl_ops = &video_ioctl_ops, 1209 .tvnorms = CX23885_NORMS, 1210 }; 1211 1212 void cx23885_video_unregister(struct cx23885_dev *dev) 1213 { 1214 dprintk(1, "%s()\n", __func__); 1215 cx23885_irq_remove(dev, 0x01); 1216 1217 if (dev->vbi_dev) { 1218 if (video_is_registered(dev->vbi_dev)) 1219 video_unregister_device(dev->vbi_dev); 1220 else 1221 video_device_release(dev->vbi_dev); 1222 dev->vbi_dev = NULL; 1223 } 1224 if (dev->video_dev) { 1225 if (video_is_registered(dev->video_dev)) 1226 video_unregister_device(dev->video_dev); 1227 else 1228 video_device_release(dev->video_dev); 1229 dev->video_dev = NULL; 1230 } 1231 1232 if (dev->audio_dev) 1233 cx23885_audio_unregister(dev); 1234 } 1235 1236 int cx23885_video_register(struct cx23885_dev *dev) 1237 { 1238 struct vb2_queue *q; 1239 int err; 1240 1241 dprintk(1, "%s()\n", __func__); 1242 1243 /* Initialize VBI template */ 1244 cx23885_vbi_template = cx23885_video_template; 1245 strscpy(cx23885_vbi_template.name, "cx23885-vbi", 1246 sizeof(cx23885_vbi_template.name)); 1247 1248 dev->tvnorm = V4L2_STD_NTSC_M; 1249 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV); 1250 dev->field = V4L2_FIELD_INTERLACED; 1251 dev->width = 720; 1252 dev->height = norm_maxh(dev->tvnorm); 1253 1254 /* init video dma queues */ 1255 INIT_LIST_HEAD(&dev->vidq.active); 1256 1257 /* init vbi dma queues */ 1258 INIT_LIST_HEAD(&dev->vbiq.active); 1259 1260 cx23885_irq_add_enable(dev, 0x01); 1261 1262 if ((TUNER_ABSENT != dev->tuner_type) && 1263 ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) { 1264 struct v4l2_subdev *sd = NULL; 1265 1266 if (dev->tuner_addr) 1267 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1268 &dev->i2c_bus[dev->tuner_bus].i2c_adap, 1269 "tuner", dev->tuner_addr, NULL); 1270 else 1271 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1272 &dev->i2c_bus[dev->tuner_bus].i2c_adap, 1273 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV)); 1274 if (sd) { 1275 struct tuner_setup tun_setup; 1276 1277 memset(&tun_setup, 0, sizeof(tun_setup)); 1278 tun_setup.mode_mask = T_ANALOG_TV; 1279 tun_setup.type = dev->tuner_type; 1280 tun_setup.addr = v4l2_i2c_subdev_addr(sd); 1281 tun_setup.tuner_callback = cx23885_tuner_callback; 1282 1283 v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup); 1284 1285 if ((dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) || 1286 (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200)) { 1287 struct xc2028_ctrl ctrl = { 1288 .fname = XC2028_DEFAULT_FIRMWARE, 1289 .max_len = 64 1290 }; 1291 struct v4l2_priv_tun_config cfg = { 1292 .tuner = dev->tuner_type, 1293 .priv = &ctrl 1294 }; 1295 v4l2_subdev_call(sd, tuner, s_config, &cfg); 1296 } 1297 1298 if (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) { 1299 struct xc2028_ctrl ctrl = { 1300 .fname = "xc3028L-v36.fw", 1301 .max_len = 64 1302 }; 1303 struct v4l2_priv_tun_config cfg = { 1304 .tuner = dev->tuner_type, 1305 .priv = &ctrl 1306 }; 1307 v4l2_subdev_call(sd, tuner, s_config, &cfg); 1308 } 1309 } 1310 } 1311 1312 /* initial device configuration */ 1313 mutex_lock(&dev->lock); 1314 cx23885_set_tvnorm(dev, dev->tvnorm); 1315 cx23885_video_mux(dev, 0); 1316 cx23885_audio_mux(dev, 0); 1317 mutex_unlock(&dev->lock); 1318 1319 q = &dev->vb2_vidq; 1320 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1321 q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ; 1322 q->gfp_flags = GFP_DMA32; 1323 q->min_buffers_needed = 2; 1324 q->drv_priv = dev; 1325 q->buf_struct_size = sizeof(struct cx23885_buffer); 1326 q->ops = &cx23885_video_qops; 1327 q->mem_ops = &vb2_dma_sg_memops; 1328 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1329 q->lock = &dev->lock; 1330 q->dev = &dev->pci->dev; 1331 1332 err = vb2_queue_init(q); 1333 if (err < 0) 1334 goto fail_unreg; 1335 1336 q = &dev->vb2_vbiq; 1337 q->type = V4L2_BUF_TYPE_VBI_CAPTURE; 1338 q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ; 1339 q->gfp_flags = GFP_DMA32; 1340 q->min_buffers_needed = 2; 1341 q->drv_priv = dev; 1342 q->buf_struct_size = sizeof(struct cx23885_buffer); 1343 q->ops = &cx23885_vbi_qops; 1344 q->mem_ops = &vb2_dma_sg_memops; 1345 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1346 q->lock = &dev->lock; 1347 q->dev = &dev->pci->dev; 1348 1349 err = vb2_queue_init(q); 1350 if (err < 0) 1351 goto fail_unreg; 1352 1353 /* register Video device */ 1354 dev->video_dev = cx23885_vdev_init(dev, dev->pci, 1355 &cx23885_video_template, "video"); 1356 dev->video_dev->queue = &dev->vb2_vidq; 1357 dev->video_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | 1358 V4L2_CAP_AUDIO | V4L2_CAP_VIDEO_CAPTURE; 1359 switch (dev->board) { /* i2c device tuners */ 1360 case CX23885_BOARD_HAUPPAUGE_HVR1265_K4: 1361 case CX23885_BOARD_HAUPPAUGE_HVR5525: 1362 case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB: 1363 case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC: 1364 dev->video_dev->device_caps |= V4L2_CAP_TUNER; 1365 break; 1366 default: 1367 if (dev->tuner_type != TUNER_ABSENT) 1368 dev->video_dev->device_caps |= V4L2_CAP_TUNER; 1369 } 1370 1371 err = video_register_device(dev->video_dev, VFL_TYPE_VIDEO, 1372 video_nr[dev->nr]); 1373 if (err < 0) { 1374 pr_info("%s: can't register video device\n", 1375 dev->name); 1376 goto fail_unreg; 1377 } 1378 pr_info("%s: registered device %s [v4l2]\n", 1379 dev->name, video_device_node_name(dev->video_dev)); 1380 1381 /* register VBI device */ 1382 dev->vbi_dev = cx23885_vdev_init(dev, dev->pci, 1383 &cx23885_vbi_template, "vbi"); 1384 dev->vbi_dev->queue = &dev->vb2_vbiq; 1385 dev->vbi_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | 1386 V4L2_CAP_AUDIO | V4L2_CAP_VBI_CAPTURE; 1387 switch (dev->board) { /* i2c device tuners */ 1388 case CX23885_BOARD_HAUPPAUGE_HVR1265_K4: 1389 case CX23885_BOARD_HAUPPAUGE_HVR5525: 1390 case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB: 1391 case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC: 1392 dev->vbi_dev->device_caps |= V4L2_CAP_TUNER; 1393 break; 1394 default: 1395 if (dev->tuner_type != TUNER_ABSENT) 1396 dev->vbi_dev->device_caps |= V4L2_CAP_TUNER; 1397 } 1398 err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, 1399 vbi_nr[dev->nr]); 1400 if (err < 0) { 1401 pr_info("%s: can't register vbi device\n", 1402 dev->name); 1403 goto fail_unreg; 1404 } 1405 pr_info("%s: registered device %s\n", 1406 dev->name, video_device_node_name(dev->vbi_dev)); 1407 1408 /* Register ALSA audio device */ 1409 dev->audio_dev = cx23885_audio_register(dev); 1410 1411 return 0; 1412 1413 fail_unreg: 1414 cx23885_video_unregister(dev); 1415 return err; 1416 } 1417