cx23885-video.c revision 19696f09daeff897a672144be89a16b8df18c004
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 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 */ 21 22#include <linux/init.h> 23#include <linux/list.h> 24#include <linux/module.h> 25#include <linux/moduleparam.h> 26#include <linux/kmod.h> 27#include <linux/kernel.h> 28#include <linux/slab.h> 29#include <linux/interrupt.h> 30#include <linux/delay.h> 31#include <linux/kthread.h> 32#include <asm/div64.h> 33 34#include "cx23885.h" 35#include <media/v4l2-common.h> 36#include <media/v4l2-ioctl.h> 37#include "cx23885-ioctl.h" 38#include "tuner-xc2028.h" 39 40#include <media/cx25840.h> 41 42MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards"); 43MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>"); 44MODULE_LICENSE("GPL"); 45 46/* ------------------------------------------------------------------ */ 47 48static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; 49static unsigned int vbi_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; 50static unsigned int radio_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; 51 52module_param_array(video_nr, int, NULL, 0444); 53module_param_array(vbi_nr, int, NULL, 0444); 54module_param_array(radio_nr, int, NULL, 0444); 55 56MODULE_PARM_DESC(video_nr, "video device numbers"); 57MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); 58MODULE_PARM_DESC(radio_nr, "radio device numbers"); 59 60static unsigned int video_debug; 61module_param(video_debug, int, 0644); 62MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); 63 64static unsigned int irq_debug; 65module_param(irq_debug, int, 0644); 66MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]"); 67 68static unsigned int vid_limit = 16; 69module_param(vid_limit, int, 0644); 70MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); 71 72#define dprintk(level, fmt, arg...)\ 73 do { if (video_debug >= level)\ 74 printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\ 75 } while (0) 76 77/* ------------------------------------------------------------------- */ 78/* static data */ 79 80#define FORMAT_FLAGS_PACKED 0x01 81#if 0 82static struct cx23885_fmt formats[] = { 83 { 84 .name = "8 bpp, gray", 85 .fourcc = V4L2_PIX_FMT_GREY, 86 .depth = 8, 87 .flags = FORMAT_FLAGS_PACKED, 88 }, { 89 .name = "15 bpp RGB, le", 90 .fourcc = V4L2_PIX_FMT_RGB555, 91 .depth = 16, 92 .flags = FORMAT_FLAGS_PACKED, 93 }, { 94 .name = "15 bpp RGB, be", 95 .fourcc = V4L2_PIX_FMT_RGB555X, 96 .depth = 16, 97 .flags = FORMAT_FLAGS_PACKED, 98 }, { 99 .name = "16 bpp RGB, le", 100 .fourcc = V4L2_PIX_FMT_RGB565, 101 .depth = 16, 102 .flags = FORMAT_FLAGS_PACKED, 103 }, { 104 .name = "16 bpp RGB, be", 105 .fourcc = V4L2_PIX_FMT_RGB565X, 106 .depth = 16, 107 .flags = FORMAT_FLAGS_PACKED, 108 }, { 109 .name = "24 bpp RGB, le", 110 .fourcc = V4L2_PIX_FMT_BGR24, 111 .depth = 24, 112 .flags = FORMAT_FLAGS_PACKED, 113 }, { 114 .name = "32 bpp RGB, le", 115 .fourcc = V4L2_PIX_FMT_BGR32, 116 .depth = 32, 117 .flags = FORMAT_FLAGS_PACKED, 118 }, { 119 .name = "32 bpp RGB, be", 120 .fourcc = V4L2_PIX_FMT_RGB32, 121 .depth = 32, 122 .flags = FORMAT_FLAGS_PACKED, 123 }, { 124 .name = "4:2:2, packed, YUYV", 125 .fourcc = V4L2_PIX_FMT_YUYV, 126 .depth = 16, 127 .flags = FORMAT_FLAGS_PACKED, 128 }, { 129 .name = "4:2:2, packed, UYVY", 130 .fourcc = V4L2_PIX_FMT_UYVY, 131 .depth = 16, 132 .flags = FORMAT_FLAGS_PACKED, 133 }, 134}; 135#else 136static struct cx23885_fmt formats[] = { 137 { 138#if 0 139 .name = "4:2:2, packed, UYVY", 140 .fourcc = V4L2_PIX_FMT_UYVY, 141 .depth = 16, 142 .flags = FORMAT_FLAGS_PACKED, 143 }, { 144#endif 145 .name = "4:2:2, packed, YUYV", 146 .fourcc = V4L2_PIX_FMT_YUYV, 147 .depth = 16, 148 .flags = FORMAT_FLAGS_PACKED, 149 } 150}; 151#endif 152 153static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc) 154{ 155 unsigned int i; 156 157 for (i = 0; i < ARRAY_SIZE(formats); i++) 158 if (formats[i].fourcc == fourcc) 159 return formats+i; 160 161 printk(KERN_ERR "%s(%c%c%c%c) NOT FOUND\n", __func__, 162 (fourcc & 0xff), 163 ((fourcc >> 8) & 0xff), 164 ((fourcc >> 16) & 0xff), 165 ((fourcc >> 24) & 0xff) 166 ); 167 return NULL; 168} 169 170/* ------------------------------------------------------------------- */ 171 172static const struct v4l2_queryctrl no_ctl = { 173 .name = "42", 174 .flags = V4L2_CTRL_FLAG_DISABLED, 175}; 176 177static struct cx23885_ctrl cx23885_ctls[] = { 178 /* --- video --- */ 179 { 180 .v = { 181 .id = V4L2_CID_BRIGHTNESS, 182 .name = "Brightness", 183 .minimum = 0x00, 184 .maximum = 0xff, 185 .step = 1, 186 .default_value = 0x7f, 187 .type = V4L2_CTRL_TYPE_INTEGER, 188 }, 189 .off = 128, 190 .reg = LUMA_CTRL, 191 .mask = 0x00ff, 192 .shift = 0, 193 }, { 194 .v = { 195 .id = V4L2_CID_CONTRAST, 196 .name = "Contrast", 197 .minimum = 0, 198 .maximum = 0x7f, 199 .step = 1, 200 .default_value = 0x3f, 201 .type = V4L2_CTRL_TYPE_INTEGER, 202 }, 203 .off = 0, 204 .reg = LUMA_CTRL, 205 .mask = 0xff00, 206 .shift = 8, 207 }, { 208 .v = { 209 .id = V4L2_CID_HUE, 210 .name = "Hue", 211 .minimum = -127, 212 .maximum = 128, 213 .step = 1, 214 .default_value = 0x0, 215 .type = V4L2_CTRL_TYPE_INTEGER, 216 }, 217 .off = 128, 218 .reg = CHROMA_CTRL, 219 .mask = 0xff0000, 220 .shift = 16, 221 }, { 222 /* strictly, this only describes only U saturation. 223 * V saturation is handled specially through code. 224 */ 225 .v = { 226 .id = V4L2_CID_SATURATION, 227 .name = "Saturation", 228 .minimum = 0, 229 .maximum = 0x7f, 230 .step = 1, 231 .default_value = 0x3f, 232 .type = V4L2_CTRL_TYPE_INTEGER, 233 }, 234 .off = 0, 235 .reg = CHROMA_CTRL, 236 .mask = 0x00ff, 237 .shift = 0, 238 }, { 239 /* --- audio --- */ 240 .v = { 241 .id = V4L2_CID_AUDIO_MUTE, 242 .name = "Mute", 243 .minimum = 0, 244 .maximum = 1, 245 .default_value = 1, 246 .type = V4L2_CTRL_TYPE_BOOLEAN, 247 }, 248 .reg = PATH1_CTL1, 249 .mask = (0x1f << 24), 250 .shift = 24, 251 }, { 252 .v = { 253 .id = V4L2_CID_AUDIO_VOLUME, 254 .name = "Volume", 255 .minimum = 0, 256 .maximum = 0x3f, 257 .step = 1, 258 .default_value = 0x3f, 259 .type = V4L2_CTRL_TYPE_INTEGER, 260 }, 261 .reg = PATH1_VOL_CTL, 262 .mask = 0xff, 263 .shift = 0, 264 } 265}; 266static const int CX23885_CTLS = ARRAY_SIZE(cx23885_ctls); 267 268/* Must be sorted from low to high control ID! */ 269static const u32 cx23885_user_ctrls[] = { 270 V4L2_CID_USER_CLASS, 271 V4L2_CID_BRIGHTNESS, 272 V4L2_CID_CONTRAST, 273 V4L2_CID_SATURATION, 274 V4L2_CID_HUE, 275 V4L2_CID_AUDIO_VOLUME, 276 V4L2_CID_AUDIO_MUTE, 277 0 278}; 279 280static const u32 *ctrl_classes[] = { 281 cx23885_user_ctrls, 282 NULL 283}; 284 285void cx23885_video_wakeup(struct cx23885_dev *dev, 286 struct cx23885_dmaqueue *q, u32 count) 287{ 288 struct cx23885_buffer *buf; 289 int bc; 290 291 for (bc = 0;; bc++) { 292 if (list_empty(&q->active)) 293 break; 294 buf = list_entry(q->active.next, 295 struct cx23885_buffer, vb.queue); 296 297 /* count comes from the hw and is is 16bit wide -- 298 * this trick handles wrap-arounds correctly for 299 * up to 32767 buffers in flight... */ 300 if ((s16) (count - buf->count) < 0) 301 break; 302 303 do_gettimeofday(&buf->vb.ts); 304 dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, buf->vb.i, 305 count, buf->count); 306 buf->vb.state = VIDEOBUF_DONE; 307 list_del(&buf->vb.queue); 308 wake_up(&buf->vb.done); 309 } 310 if (list_empty(&q->active)) 311 del_timer(&q->timeout); 312 else 313 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); 314 if (bc != 1) 315 printk(KERN_ERR "%s: %d buffers handled (should be 1)\n", 316 __func__, bc); 317} 318 319static int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm) 320{ 321 dprintk(1, "%s(norm = 0x%08x) name: [%s]\n", 322 __func__, 323 (unsigned int)norm, 324 v4l2_norm_to_name(norm)); 325 326 dev->tvnorm = norm; 327 328 call_all(dev, core, s_std, norm); 329 330 return 0; 331} 332 333static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev, 334 struct pci_dev *pci, 335 struct video_device *template, 336 char *type) 337{ 338 struct video_device *vfd; 339 dprintk(1, "%s()\n", __func__); 340 341 vfd = video_device_alloc(); 342 if (NULL == vfd) 343 return NULL; 344 *vfd = *template; 345 vfd->v4l2_dev = &dev->v4l2_dev; 346 vfd->release = video_device_release; 347 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", 348 dev->name, type, cx23885_boards[dev->board].name); 349 video_set_drvdata(vfd, dev); 350 return vfd; 351} 352 353static int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl) 354{ 355 int i; 356 357 if (qctrl->id < V4L2_CID_BASE || 358 qctrl->id >= V4L2_CID_LASTP1) 359 return -EINVAL; 360 for (i = 0; i < CX23885_CTLS; i++) 361 if (cx23885_ctls[i].v.id == qctrl->id) 362 break; 363 if (i == CX23885_CTLS) { 364 *qctrl = no_ctl; 365 return 0; 366 } 367 *qctrl = cx23885_ctls[i].v; 368 return 0; 369} 370 371/* ------------------------------------------------------------------- */ 372/* resource management */ 373 374static int res_get(struct cx23885_dev *dev, struct cx23885_fh *fh, 375 unsigned int bit) 376{ 377 dprintk(1, "%s()\n", __func__); 378 if (fh->resources & bit) 379 /* have it already allocated */ 380 return 1; 381 382 /* is it free? */ 383 mutex_lock(&dev->lock); 384 if (dev->resources & bit) { 385 /* no, someone else uses it */ 386 mutex_unlock(&dev->lock); 387 return 0; 388 } 389 /* it's free, grab it */ 390 fh->resources |= bit; 391 dev->resources |= bit; 392 dprintk(1, "res: get %d\n", bit); 393 mutex_unlock(&dev->lock); 394 return 1; 395} 396 397static int res_check(struct cx23885_fh *fh, unsigned int bit) 398{ 399 return fh->resources & bit; 400} 401 402static int res_locked(struct cx23885_dev *dev, unsigned int bit) 403{ 404 return dev->resources & bit; 405} 406 407static void res_free(struct cx23885_dev *dev, struct cx23885_fh *fh, 408 unsigned int bits) 409{ 410 BUG_ON((fh->resources & bits) != bits); 411 dprintk(1, "%s()\n", __func__); 412 413 mutex_lock(&dev->lock); 414 fh->resources &= ~bits; 415 dev->resources &= ~bits; 416 dprintk(1, "res: put %d\n", bits); 417 mutex_unlock(&dev->lock); 418} 419 420static int cx23885_flatiron_write(struct cx23885_dev *dev, u8 reg, u8 data) 421{ 422 /* 8 bit registers, 8 bit values */ 423 u8 buf[] = { reg, data }; 424 425 struct i2c_msg msg = { .addr = 0x98 >> 1, 426 .flags = 0, .buf = buf, .len = 2 }; 427 428 return i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg, 1); 429} 430 431static u8 cx23885_flatiron_read(struct cx23885_dev *dev, u8 reg) 432{ 433 /* 8 bit registers, 8 bit values */ 434 int ret; 435 u8 b0[] = { reg }; 436 u8 b1[] = { 0 }; 437 438 struct i2c_msg msg[] = { 439 { .addr = 0x98 >> 1, .flags = 0, .buf = b0, .len = 1 }, 440 { .addr = 0x98 >> 1, .flags = I2C_M_RD, .buf = b1, .len = 1 } 441 }; 442 443 ret = i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg[0], 2); 444 if (ret != 2) 445 printk(KERN_ERR "%s() error\n", __func__); 446 447 return b1[0]; 448} 449 450static void cx23885_flatiron_dump(struct cx23885_dev *dev) 451{ 452 int i; 453 dprintk(1, "Flatiron dump\n"); 454 for (i = 0; i < 0x24; i++) { 455 dprintk(1, "FI[%02x] = %02x\n", i, 456 cx23885_flatiron_read(dev, i)); 457 } 458} 459 460static int cx23885_flatiron_mux(struct cx23885_dev *dev, int input) 461{ 462 u8 val; 463 dprintk(1, "%s(input = %d)\n", __func__, input); 464 465 if (input == 1) 466 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) & ~FLD_CH_SEL; 467 else if (input == 2) 468 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) | FLD_CH_SEL; 469 else 470 return -EINVAL; 471 472 val |= 0x20; /* Enable clock to delta-sigma and dec filter */ 473 474 cx23885_flatiron_write(dev, CH_PWR_CTRL1, val); 475 476 /* Wake up */ 477 cx23885_flatiron_write(dev, CH_PWR_CTRL2, 0); 478 479 if (video_debug) 480 cx23885_flatiron_dump(dev); 481 482 return 0; 483} 484 485static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input) 486{ 487 dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n", 488 __func__, 489 input, INPUT(input)->vmux, 490 INPUT(input)->gpio0, INPUT(input)->gpio1, 491 INPUT(input)->gpio2, INPUT(input)->gpio3); 492 dev->input = input; 493 494 if (dev->board == CX23885_BOARD_MYGICA_X8506 || 495 dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2) { 496 /* Select Analog TV */ 497 if (INPUT(input)->type == CX23885_VMUX_TELEVISION) 498 cx23885_gpio_clear(dev, GPIO_0); 499 } 500 501 /* Tell the internal A/V decoder */ 502 v4l2_subdev_call(dev->sd_cx25840, video, s_routing, 503 INPUT(input)->vmux, 0, 0); 504 505 if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1800) || 506 (dev->board == CX23885_BOARD_MPX885)) { 507 /* Configure audio routing */ 508 v4l2_subdev_call(dev->sd_cx25840, audio, s_routing, 509 INPUT(input)->amux, 0, 0); 510 511 if (INPUT(input)->amux == CX25840_AUDIO7) 512 cx23885_flatiron_mux(dev, 1); 513 else if (INPUT(input)->amux == CX25840_AUDIO6) 514 cx23885_flatiron_mux(dev, 2); 515 } 516 517 return 0; 518} 519 520static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input) 521{ 522 dprintk(1, "%s(input=%d)\n", __func__, input); 523 524 /* The baseband video core of the cx23885 has two audio inputs. 525 * LR1 and LR2. In almost every single case so far only HVR1xxx 526 * cards we've only ever supported LR1. Time to support LR2, 527 * which is available via the optional white breakout header on 528 * the board. 529 * We'll use a could of existing enums in the card struct to allow 530 * devs to specify which baseband input they need, or just default 531 * to what we've always used. 532 */ 533 if (INPUT(input)->amux == CX25840_AUDIO7) 534 cx23885_flatiron_mux(dev, 1); 535 else if (INPUT(input)->amux == CX25840_AUDIO6) 536 cx23885_flatiron_mux(dev, 2); 537 else { 538 /* Not specifically defined, assume the default. */ 539 cx23885_flatiron_mux(dev, 1); 540 } 541 542 return 0; 543} 544 545/* ------------------------------------------------------------------ */ 546static int cx23885_start_video_dma(struct cx23885_dev *dev, 547 struct cx23885_dmaqueue *q, 548 struct cx23885_buffer *buf) 549{ 550 dprintk(1, "%s()\n", __func__); 551 552 /* setup fifo + format */ 553 cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01], 554 buf->bpl, buf->risc.dma); 555 556 /* reset counter */ 557 cx_write(VID_A_GPCNT_CTL, 3); 558 q->count = 1; 559 560 /* enable irq */ 561 cx23885_irq_add_enable(dev, 0x01); 562 cx_set(VID_A_INT_MSK, 0x000011); 563 564 /* start dma */ 565 cx_set(DEV_CNTRL2, (1<<5)); 566 cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */ 567 568 return 0; 569} 570 571 572static int cx23885_restart_video_queue(struct cx23885_dev *dev, 573 struct cx23885_dmaqueue *q) 574{ 575 struct cx23885_buffer *buf, *prev; 576 struct list_head *item; 577 dprintk(1, "%s()\n", __func__); 578 579 if (!list_empty(&q->active)) { 580 buf = list_entry(q->active.next, struct cx23885_buffer, 581 vb.queue); 582 dprintk(2, "restart_queue [%p/%d]: restart dma\n", 583 buf, buf->vb.i); 584 cx23885_start_video_dma(dev, q, buf); 585 list_for_each(item, &q->active) { 586 buf = list_entry(item, struct cx23885_buffer, 587 vb.queue); 588 buf->count = q->count++; 589 } 590 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); 591 return 0; 592 } 593 594 prev = NULL; 595 for (;;) { 596 if (list_empty(&q->queued)) 597 return 0; 598 buf = list_entry(q->queued.next, struct cx23885_buffer, 599 vb.queue); 600 if (NULL == prev) { 601 list_move_tail(&buf->vb.queue, &q->active); 602 cx23885_start_video_dma(dev, q, buf); 603 buf->vb.state = VIDEOBUF_ACTIVE; 604 buf->count = q->count++; 605 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); 606 dprintk(2, "[%p/%d] restart_queue - first active\n", 607 buf, buf->vb.i); 608 609 } else if (prev->vb.width == buf->vb.width && 610 prev->vb.height == buf->vb.height && 611 prev->fmt == buf->fmt) { 612 list_move_tail(&buf->vb.queue, &q->active); 613 buf->vb.state = VIDEOBUF_ACTIVE; 614 buf->count = q->count++; 615 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); 616 prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */ 617 dprintk(2, "[%p/%d] restart_queue - move to active\n", 618 buf, buf->vb.i); 619 } else { 620 return 0; 621 } 622 prev = buf; 623 } 624} 625 626static int buffer_setup(struct videobuf_queue *q, unsigned int *count, 627 unsigned int *size) 628{ 629 struct cx23885_fh *fh = q->priv_data; 630 631 *size = fh->fmt->depth*fh->width*fh->height >> 3; 632 if (0 == *count) 633 *count = 32; 634 if (*size * *count > vid_limit * 1024 * 1024) 635 *count = (vid_limit * 1024 * 1024) / *size; 636 return 0; 637} 638 639static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, 640 enum v4l2_field field) 641{ 642 struct cx23885_fh *fh = q->priv_data; 643 struct cx23885_dev *dev = fh->dev; 644 struct cx23885_buffer *buf = 645 container_of(vb, struct cx23885_buffer, vb); 646 int rc, init_buffer = 0; 647 u32 line0_offset, line1_offset; 648 struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb); 649 650 BUG_ON(NULL == fh->fmt); 651 if (fh->width < 48 || fh->width > norm_maxw(dev->tvnorm) || 652 fh->height < 32 || fh->height > norm_maxh(dev->tvnorm)) 653 return -EINVAL; 654 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3; 655 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) 656 return -EINVAL; 657 658 if (buf->fmt != fh->fmt || 659 buf->vb.width != fh->width || 660 buf->vb.height != fh->height || 661 buf->vb.field != field) { 662 buf->fmt = fh->fmt; 663 buf->vb.width = fh->width; 664 buf->vb.height = fh->height; 665 buf->vb.field = field; 666 init_buffer = 1; 667 } 668 669 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { 670 init_buffer = 1; 671 rc = videobuf_iolock(q, &buf->vb, NULL); 672 if (0 != rc) 673 goto fail; 674 } 675 676 if (init_buffer) { 677 buf->bpl = buf->vb.width * buf->fmt->depth >> 3; 678 switch (buf->vb.field) { 679 case V4L2_FIELD_TOP: 680 cx23885_risc_buffer(dev->pci, &buf->risc, 681 dma->sglist, 0, UNSET, 682 buf->bpl, 0, buf->vb.height); 683 break; 684 case V4L2_FIELD_BOTTOM: 685 cx23885_risc_buffer(dev->pci, &buf->risc, 686 dma->sglist, UNSET, 0, 687 buf->bpl, 0, buf->vb.height); 688 break; 689 case V4L2_FIELD_INTERLACED: 690 if (dev->tvnorm & V4L2_STD_NTSC) { 691 /* cx25840 transmits NTSC bottom field first */ 692 dprintk(1, "%s() Creating NTSC risc\n", 693 __func__); 694 line0_offset = buf->bpl; 695 line1_offset = 0; 696 } else { 697 /* All other formats are top field first */ 698 dprintk(1, "%s() Creating PAL/SECAM risc\n", 699 __func__); 700 line0_offset = 0; 701 line1_offset = buf->bpl; 702 } 703 cx23885_risc_buffer(dev->pci, &buf->risc, 704 dma->sglist, line0_offset, 705 line1_offset, 706 buf->bpl, buf->bpl, 707 buf->vb.height >> 1); 708 break; 709 case V4L2_FIELD_SEQ_TB: 710 cx23885_risc_buffer(dev->pci, &buf->risc, 711 dma->sglist, 712 0, buf->bpl * (buf->vb.height >> 1), 713 buf->bpl, 0, 714 buf->vb.height >> 1); 715 break; 716 case V4L2_FIELD_SEQ_BT: 717 cx23885_risc_buffer(dev->pci, &buf->risc, 718 dma->sglist, 719 buf->bpl * (buf->vb.height >> 1), 0, 720 buf->bpl, 0, 721 buf->vb.height >> 1); 722 break; 723 default: 724 BUG(); 725 } 726 } 727 dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", 728 buf, buf->vb.i, 729 fh->width, fh->height, fh->fmt->depth, fh->fmt->name, 730 (unsigned long)buf->risc.dma); 731 732 buf->vb.state = VIDEOBUF_PREPARED; 733 return 0; 734 735 fail: 736 cx23885_free_buffer(q, buf); 737 return rc; 738} 739 740static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) 741{ 742 struct cx23885_buffer *buf = container_of(vb, 743 struct cx23885_buffer, vb); 744 struct cx23885_buffer *prev; 745 struct cx23885_fh *fh = vq->priv_data; 746 struct cx23885_dev *dev = fh->dev; 747 struct cx23885_dmaqueue *q = &dev->vidq; 748 749 /* add jump to stopper */ 750 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); 751 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); 752 buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ 753 754 if (!list_empty(&q->queued)) { 755 list_add_tail(&buf->vb.queue, &q->queued); 756 buf->vb.state = VIDEOBUF_QUEUED; 757 dprintk(2, "[%p/%d] buffer_queue - append to queued\n", 758 buf, buf->vb.i); 759 760 } else if (list_empty(&q->active)) { 761 list_add_tail(&buf->vb.queue, &q->active); 762 cx23885_start_video_dma(dev, q, buf); 763 buf->vb.state = VIDEOBUF_ACTIVE; 764 buf->count = q->count++; 765 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); 766 dprintk(2, "[%p/%d] buffer_queue - first active\n", 767 buf, buf->vb.i); 768 769 } else { 770 prev = list_entry(q->active.prev, struct cx23885_buffer, 771 vb.queue); 772 if (prev->vb.width == buf->vb.width && 773 prev->vb.height == buf->vb.height && 774 prev->fmt == buf->fmt) { 775 list_add_tail(&buf->vb.queue, &q->active); 776 buf->vb.state = VIDEOBUF_ACTIVE; 777 buf->count = q->count++; 778 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); 779 /* 64 bit bits 63-32 */ 780 prev->risc.jmp[2] = cpu_to_le32(0); 781 dprintk(2, "[%p/%d] buffer_queue - append to active\n", 782 buf, buf->vb.i); 783 784 } else { 785 list_add_tail(&buf->vb.queue, &q->queued); 786 buf->vb.state = VIDEOBUF_QUEUED; 787 dprintk(2, "[%p/%d] buffer_queue - first queued\n", 788 buf, buf->vb.i); 789 } 790 } 791} 792 793static void buffer_release(struct videobuf_queue *q, 794 struct videobuf_buffer *vb) 795{ 796 struct cx23885_buffer *buf = container_of(vb, 797 struct cx23885_buffer, vb); 798 799 cx23885_free_buffer(q, buf); 800} 801 802static struct videobuf_queue_ops cx23885_video_qops = { 803 .buf_setup = buffer_setup, 804 .buf_prepare = buffer_prepare, 805 .buf_queue = buffer_queue, 806 .buf_release = buffer_release, 807}; 808 809static struct videobuf_queue *get_queue(struct cx23885_fh *fh) 810{ 811 switch (fh->type) { 812 case V4L2_BUF_TYPE_VIDEO_CAPTURE: 813 return &fh->vidq; 814 case V4L2_BUF_TYPE_VBI_CAPTURE: 815 return &fh->vbiq; 816 default: 817 BUG(); 818 return NULL; 819 } 820} 821 822static int get_resource(struct cx23885_fh *fh) 823{ 824 switch (fh->type) { 825 case V4L2_BUF_TYPE_VIDEO_CAPTURE: 826 return RESOURCE_VIDEO; 827 case V4L2_BUF_TYPE_VBI_CAPTURE: 828 return RESOURCE_VBI; 829 default: 830 BUG(); 831 return 0; 832 } 833} 834 835static int video_open(struct file *file) 836{ 837 struct video_device *vdev = video_devdata(file); 838 struct cx23885_dev *dev = video_drvdata(file); 839 struct cx23885_fh *fh; 840 enum v4l2_buf_type type = 0; 841 int radio = 0; 842 843 switch (vdev->vfl_type) { 844 case VFL_TYPE_GRABBER: 845 type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 846 break; 847 case VFL_TYPE_VBI: 848 type = V4L2_BUF_TYPE_VBI_CAPTURE; 849 break; 850 case VFL_TYPE_RADIO: 851 radio = 1; 852 break; 853 } 854 855 dprintk(1, "open dev=%s radio=%d type=%s\n", 856 video_device_node_name(vdev), radio, v4l2_type_names[type]); 857 858 /* allocate + initialize per filehandle data */ 859 fh = kzalloc(sizeof(*fh), GFP_KERNEL); 860 if (NULL == fh) 861 return -ENOMEM; 862 863 file->private_data = fh; 864 fh->dev = dev; 865 fh->radio = radio; 866 fh->type = type; 867 fh->width = 320; 868 fh->height = 240; 869 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV); 870 871 videobuf_queue_sg_init(&fh->vidq, &cx23885_video_qops, 872 &dev->pci->dev, &dev->slock, 873 V4L2_BUF_TYPE_VIDEO_CAPTURE, 874 V4L2_FIELD_INTERLACED, 875 sizeof(struct cx23885_buffer), 876 fh, NULL); 877 878 videobuf_queue_sg_init(&fh->vbiq, &cx23885_vbi_qops, 879 &dev->pci->dev, &dev->slock, 880 V4L2_BUF_TYPE_VBI_CAPTURE, 881 V4L2_FIELD_SEQ_TB, 882 sizeof(struct cx23885_buffer), 883 fh, NULL); 884 885 886 dprintk(1, "post videobuf_queue_init()\n"); 887 888 return 0; 889} 890 891static ssize_t video_read(struct file *file, char __user *data, 892 size_t count, loff_t *ppos) 893{ 894 struct cx23885_fh *fh = file->private_data; 895 896 switch (fh->type) { 897 case V4L2_BUF_TYPE_VIDEO_CAPTURE: 898 if (res_locked(fh->dev, RESOURCE_VIDEO)) 899 return -EBUSY; 900 return videobuf_read_one(&fh->vidq, data, count, ppos, 901 file->f_flags & O_NONBLOCK); 902 case V4L2_BUF_TYPE_VBI_CAPTURE: 903 if (!res_get(fh->dev, fh, RESOURCE_VBI)) 904 return -EBUSY; 905 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1, 906 file->f_flags & O_NONBLOCK); 907 default: 908 BUG(); 909 return 0; 910 } 911} 912 913static unsigned int video_poll(struct file *file, 914 struct poll_table_struct *wait) 915{ 916 struct cx23885_fh *fh = file->private_data; 917 struct cx23885_buffer *buf; 918 unsigned int rc = POLLERR; 919 920 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) { 921 if (!res_get(fh->dev, fh, RESOURCE_VBI)) 922 return POLLERR; 923 return videobuf_poll_stream(file, &fh->vbiq, wait); 924 } 925 926 mutex_lock(&fh->vidq.vb_lock); 927 if (res_check(fh, RESOURCE_VIDEO)) { 928 /* streaming capture */ 929 if (list_empty(&fh->vidq.stream)) 930 goto done; 931 buf = list_entry(fh->vidq.stream.next, 932 struct cx23885_buffer, vb.stream); 933 } else { 934 /* read() capture */ 935 buf = (struct cx23885_buffer *)fh->vidq.read_buf; 936 if (NULL == buf) 937 goto done; 938 } 939 poll_wait(file, &buf->vb.done, wait); 940 if (buf->vb.state == VIDEOBUF_DONE || 941 buf->vb.state == VIDEOBUF_ERROR) 942 rc = POLLIN|POLLRDNORM; 943 else 944 rc = 0; 945done: 946 mutex_unlock(&fh->vidq.vb_lock); 947 return rc; 948} 949 950static int video_release(struct file *file) 951{ 952 struct cx23885_fh *fh = file->private_data; 953 struct cx23885_dev *dev = fh->dev; 954 955 /* turn off overlay */ 956 if (res_check(fh, RESOURCE_OVERLAY)) { 957 /* FIXME */ 958 res_free(dev, fh, RESOURCE_OVERLAY); 959 } 960 961 /* stop video capture */ 962 if (res_check(fh, RESOURCE_VIDEO)) { 963 videobuf_queue_cancel(&fh->vidq); 964 res_free(dev, fh, RESOURCE_VIDEO); 965 } 966 if (fh->vidq.read_buf) { 967 buffer_release(&fh->vidq, fh->vidq.read_buf); 968 kfree(fh->vidq.read_buf); 969 } 970 971 /* stop vbi capture */ 972 if (res_check(fh, RESOURCE_VBI)) { 973 if (fh->vbiq.streaming) 974 videobuf_streamoff(&fh->vbiq); 975 if (fh->vbiq.reading) 976 videobuf_read_stop(&fh->vbiq); 977 res_free(dev, fh, RESOURCE_VBI); 978 } 979 980 videobuf_mmap_free(&fh->vidq); 981 file->private_data = NULL; 982 kfree(fh); 983 984 /* We are not putting the tuner to sleep here on exit, because 985 * we want to use the mpeg encoder in another session to capture 986 * tuner video. Closing this will result in no video to the encoder. 987 */ 988 989 return 0; 990} 991 992static int video_mmap(struct file *file, struct vm_area_struct *vma) 993{ 994 struct cx23885_fh *fh = file->private_data; 995 996 return videobuf_mmap_mapper(get_queue(fh), vma); 997} 998 999/* ------------------------------------------------------------------ */ 1000/* VIDEO CTRL IOCTLS */ 1001 1002static int cx23885_get_control(struct cx23885_dev *dev, 1003 struct v4l2_control *ctl) 1004{ 1005 dprintk(1, "%s() calling cx25840(VIDIOC_G_CTRL)\n", __func__); 1006 call_all(dev, core, g_ctrl, ctl); 1007 return 0; 1008} 1009 1010static int cx23885_set_control(struct cx23885_dev *dev, 1011 struct v4l2_control *ctl) 1012{ 1013 dprintk(1, "%s() calling cx25840(VIDIOC_S_CTRL)\n", __func__); 1014 call_all(dev, core, s_ctrl, ctl); 1015 1016 return 0; 1017} 1018 1019static void init_controls(struct cx23885_dev *dev) 1020{ 1021 struct v4l2_control ctrl; 1022 int i; 1023 1024 for (i = 0; i < CX23885_CTLS; i++) { 1025 ctrl.id = cx23885_ctls[i].v.id; 1026 ctrl.value = cx23885_ctls[i].v.default_value; 1027 1028 cx23885_set_control(dev, &ctrl); 1029 } 1030} 1031 1032/* ------------------------------------------------------------------ */ 1033/* VIDEO IOCTLS */ 1034 1035static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 1036 struct v4l2_format *f) 1037{ 1038 struct cx23885_fh *fh = priv; 1039 1040 f->fmt.pix.width = fh->width; 1041 f->fmt.pix.height = fh->height; 1042 f->fmt.pix.field = fh->vidq.field; 1043 f->fmt.pix.pixelformat = fh->fmt->fourcc; 1044 f->fmt.pix.bytesperline = 1045 (f->fmt.pix.width * fh->fmt->depth) >> 3; 1046 f->fmt.pix.sizeimage = 1047 f->fmt.pix.height * f->fmt.pix.bytesperline; 1048 1049 return 0; 1050} 1051 1052static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 1053 struct v4l2_format *f) 1054{ 1055 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1056 struct cx23885_fmt *fmt; 1057 enum v4l2_field field; 1058 unsigned int maxw, maxh; 1059 1060 fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1061 if (NULL == fmt) 1062 return -EINVAL; 1063 1064 field = f->fmt.pix.field; 1065 maxw = norm_maxw(dev->tvnorm); 1066 maxh = norm_maxh(dev->tvnorm); 1067 1068 if (V4L2_FIELD_ANY == field) { 1069 field = (f->fmt.pix.height > maxh/2) 1070 ? V4L2_FIELD_INTERLACED 1071 : V4L2_FIELD_BOTTOM; 1072 } 1073 1074 switch (field) { 1075 case V4L2_FIELD_TOP: 1076 case V4L2_FIELD_BOTTOM: 1077 maxh = maxh / 2; 1078 break; 1079 case V4L2_FIELD_INTERLACED: 1080 break; 1081 default: 1082 return -EINVAL; 1083 } 1084 1085 f->fmt.pix.field = field; 1086 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2, 1087 &f->fmt.pix.height, 32, maxh, 0, 0); 1088 f->fmt.pix.bytesperline = 1089 (f->fmt.pix.width * fmt->depth) >> 3; 1090 f->fmt.pix.sizeimage = 1091 f->fmt.pix.height * f->fmt.pix.bytesperline; 1092 1093 return 0; 1094} 1095 1096static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 1097 struct v4l2_format *f) 1098{ 1099 struct cx23885_fh *fh = priv; 1100 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1101 struct v4l2_mbus_framefmt mbus_fmt; 1102 int err; 1103 1104 dprintk(2, "%s()\n", __func__); 1105 err = vidioc_try_fmt_vid_cap(file, priv, f); 1106 1107 if (0 != err) 1108 return err; 1109 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1110 fh->width = f->fmt.pix.width; 1111 fh->height = f->fmt.pix.height; 1112 fh->vidq.field = f->fmt.pix.field; 1113 dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, 1114 fh->width, fh->height, fh->vidq.field); 1115 v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED); 1116 call_all(dev, video, s_mbus_fmt, &mbus_fmt); 1117 v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt); 1118 return 0; 1119} 1120 1121static int vidioc_querycap(struct file *file, void *priv, 1122 struct v4l2_capability *cap) 1123{ 1124 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1125 1126 strcpy(cap->driver, "cx23885"); 1127 strlcpy(cap->card, cx23885_boards[dev->board].name, 1128 sizeof(cap->card)); 1129 sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); 1130 cap->capabilities = 1131 V4L2_CAP_VIDEO_CAPTURE | 1132 V4L2_CAP_READWRITE | 1133 V4L2_CAP_STREAMING | 1134 V4L2_CAP_VBI_CAPTURE; 1135 if (UNSET != dev->tuner_type) 1136 cap->capabilities |= V4L2_CAP_TUNER; 1137 return 0; 1138} 1139 1140static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 1141 struct v4l2_fmtdesc *f) 1142{ 1143 if (unlikely(f->index >= ARRAY_SIZE(formats))) 1144 return -EINVAL; 1145 1146 strlcpy(f->description, formats[f->index].name, 1147 sizeof(f->description)); 1148 f->pixelformat = formats[f->index].fourcc; 1149 1150 return 0; 1151} 1152 1153static int vidioc_reqbufs(struct file *file, void *priv, 1154 struct v4l2_requestbuffers *p) 1155{ 1156 struct cx23885_fh *fh = priv; 1157 return videobuf_reqbufs(get_queue(fh), p); 1158} 1159 1160static int vidioc_querybuf(struct file *file, void *priv, 1161 struct v4l2_buffer *p) 1162{ 1163 struct cx23885_fh *fh = priv; 1164 return videobuf_querybuf(get_queue(fh), p); 1165} 1166 1167static int vidioc_qbuf(struct file *file, void *priv, 1168 struct v4l2_buffer *p) 1169{ 1170 struct cx23885_fh *fh = priv; 1171 return videobuf_qbuf(get_queue(fh), p); 1172} 1173 1174static int vidioc_dqbuf(struct file *file, void *priv, 1175 struct v4l2_buffer *p) 1176{ 1177 struct cx23885_fh *fh = priv; 1178 return videobuf_dqbuf(get_queue(fh), p, 1179 file->f_flags & O_NONBLOCK); 1180} 1181 1182static int vidioc_streamon(struct file *file, void *priv, 1183 enum v4l2_buf_type i) 1184{ 1185 struct cx23885_fh *fh = priv; 1186 struct cx23885_dev *dev = fh->dev; 1187 dprintk(1, "%s()\n", __func__); 1188 1189 if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) && 1190 (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)) 1191 return -EINVAL; 1192 if (unlikely(i != fh->type)) 1193 return -EINVAL; 1194 1195 if (unlikely(!res_get(dev, fh, get_resource(fh)))) 1196 return -EBUSY; 1197 1198 /* Don't start VBI streaming unless vida streaming 1199 * has already started. 1200 */ 1201 if ((fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) && 1202 ((cx_read(VID_A_DMA_CTL) & 0x11) == 0)) 1203 return -EINVAL; 1204 1205 return videobuf_streamon(get_queue(fh)); 1206} 1207 1208static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) 1209{ 1210 struct cx23885_fh *fh = priv; 1211 struct cx23885_dev *dev = fh->dev; 1212 int err, res; 1213 dprintk(1, "%s()\n", __func__); 1214 1215 if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) && 1216 (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)) 1217 return -EINVAL; 1218 if (i != fh->type) 1219 return -EINVAL; 1220 1221 res = get_resource(fh); 1222 err = videobuf_streamoff(get_queue(fh)); 1223 if (err < 0) 1224 return err; 1225 res_free(dev, fh, res); 1226 return 0; 1227} 1228 1229static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *tvnorms) 1230{ 1231 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1232 dprintk(1, "%s()\n", __func__); 1233 1234 mutex_lock(&dev->lock); 1235 cx23885_set_tvnorm(dev, *tvnorms); 1236 mutex_unlock(&dev->lock); 1237 1238 return 0; 1239} 1240 1241static int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i) 1242{ 1243 static const char *iname[] = { 1244 [CX23885_VMUX_COMPOSITE1] = "Composite1", 1245 [CX23885_VMUX_COMPOSITE2] = "Composite2", 1246 [CX23885_VMUX_COMPOSITE3] = "Composite3", 1247 [CX23885_VMUX_COMPOSITE4] = "Composite4", 1248 [CX23885_VMUX_SVIDEO] = "S-Video", 1249 [CX23885_VMUX_COMPONENT] = "Component", 1250 [CX23885_VMUX_TELEVISION] = "Television", 1251 [CX23885_VMUX_CABLE] = "Cable TV", 1252 [CX23885_VMUX_DVB] = "DVB", 1253 [CX23885_VMUX_DEBUG] = "for debug only", 1254 }; 1255 unsigned int n; 1256 dprintk(1, "%s()\n", __func__); 1257 1258 n = i->index; 1259 if (n >= MAX_CX23885_INPUT) 1260 return -EINVAL; 1261 1262 if (0 == INPUT(n)->type) 1263 return -EINVAL; 1264 1265 i->index = n; 1266 i->type = V4L2_INPUT_TYPE_CAMERA; 1267 strcpy(i->name, iname[INPUT(n)->type]); 1268 if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) || 1269 (CX23885_VMUX_CABLE == INPUT(n)->type)) { 1270 i->type = V4L2_INPUT_TYPE_TUNER; 1271 i->std = CX23885_NORMS; 1272 } 1273 1274 /* Two selectable audio inputs for non-tv inputs */ 1275 if (INPUT(n)->type != CX23885_VMUX_TELEVISION) 1276 i->audioset = 0x3; 1277 1278 return 0; 1279} 1280 1281static int vidioc_enum_input(struct file *file, void *priv, 1282 struct v4l2_input *i) 1283{ 1284 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1285 dprintk(1, "%s()\n", __func__); 1286 return cx23885_enum_input(dev, i); 1287} 1288 1289static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) 1290{ 1291 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1292 1293 *i = dev->input; 1294 dprintk(1, "%s() returns %d\n", __func__, *i); 1295 return 0; 1296} 1297 1298static int vidioc_s_input(struct file *file, void *priv, unsigned int i) 1299{ 1300 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1301 1302 dprintk(1, "%s(%d)\n", __func__, i); 1303 1304 if (i >= MAX_CX23885_INPUT) { 1305 dprintk(1, "%s() -EINVAL\n", __func__); 1306 return -EINVAL; 1307 } 1308 1309 if (INPUT(i)->type == 0) 1310 return -EINVAL; 1311 1312 mutex_lock(&dev->lock); 1313 cx23885_video_mux(dev, i); 1314 1315 /* By default establish the default audio input for the card also */ 1316 /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */ 1317 cx23885_audio_mux(dev, i); 1318 mutex_unlock(&dev->lock); 1319 return 0; 1320} 1321 1322static int vidioc_log_status(struct file *file, void *priv) 1323{ 1324 struct cx23885_fh *fh = priv; 1325 struct cx23885_dev *dev = fh->dev; 1326 1327 printk(KERN_INFO 1328 "%s/0: ============ START LOG STATUS ============\n", 1329 dev->name); 1330 call_all(dev, core, log_status); 1331 printk(KERN_INFO 1332 "%s/0: ============= END LOG STATUS =============\n", 1333 dev->name); 1334 return 0; 1335} 1336 1337static int cx23885_query_audinput(struct file *file, void *priv, 1338 struct v4l2_audio *i) 1339{ 1340 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1341 static const char *iname[] = { 1342 [0] = "Baseband L/R 1", 1343 [1] = "Baseband L/R 2", 1344 }; 1345 unsigned int n; 1346 dprintk(1, "%s()\n", __func__); 1347 1348 n = i->index; 1349 if (n >= 2) 1350 return -EINVAL; 1351 1352 memset(i, 0, sizeof(*i)); 1353 i->index = n; 1354 strcpy(i->name, iname[n]); 1355 i->capability = V4L2_AUDCAP_STEREO; 1356 i->mode = V4L2_AUDMODE_AVL; 1357 return 0; 1358 1359} 1360 1361static int vidioc_enum_audinput(struct file *file, void *priv, 1362 struct v4l2_audio *i) 1363{ 1364 return cx23885_query_audinput(file, priv, i); 1365} 1366 1367static int vidioc_g_audinput(struct file *file, void *priv, 1368 struct v4l2_audio *i) 1369{ 1370 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1371 1372 i->index = dev->audinput; 1373 dprintk(1, "%s(input=%d)\n", __func__, i->index); 1374 1375 return cx23885_query_audinput(file, priv, i); 1376} 1377 1378static int vidioc_s_audinput(struct file *file, void *priv, 1379 struct v4l2_audio *i) 1380{ 1381 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1382 if (i->index >= 2) 1383 return -EINVAL; 1384 1385 dprintk(1, "%s(%d)\n", __func__, i->index); 1386 1387 dev->audinput = i->index; 1388 1389 /* Skip the audio defaults from the cards struct, caller wants 1390 * directly touch the audio mux hardware. */ 1391 cx23885_flatiron_mux(dev, dev->audinput + 1); 1392 return 0; 1393} 1394 1395static int vidioc_queryctrl(struct file *file, void *priv, 1396 struct v4l2_queryctrl *qctrl) 1397{ 1398 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id); 1399 if (unlikely(qctrl->id == 0)) 1400 return -EINVAL; 1401 return cx23885_ctrl_query(qctrl); 1402} 1403 1404static int vidioc_g_ctrl(struct file *file, void *priv, 1405 struct v4l2_control *ctl) 1406{ 1407 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1408 1409 return cx23885_get_control(dev, ctl); 1410} 1411 1412static int vidioc_s_ctrl(struct file *file, void *priv, 1413 struct v4l2_control *ctl) 1414{ 1415 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1416 1417 return cx23885_set_control(dev, ctl); 1418} 1419 1420static int vidioc_g_tuner(struct file *file, void *priv, 1421 struct v4l2_tuner *t) 1422{ 1423 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1424 1425 if (unlikely(UNSET == dev->tuner_type)) 1426 return -EINVAL; 1427 if (0 != t->index) 1428 return -EINVAL; 1429 1430 strcpy(t->name, "Television"); 1431 1432 call_all(dev, tuner, g_tuner, t); 1433 return 0; 1434} 1435 1436static int vidioc_s_tuner(struct file *file, void *priv, 1437 struct v4l2_tuner *t) 1438{ 1439 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1440 1441 if (UNSET == dev->tuner_type) 1442 return -EINVAL; 1443 if (0 != t->index) 1444 return -EINVAL; 1445 /* Update the A/V core */ 1446 call_all(dev, tuner, s_tuner, t); 1447 1448 return 0; 1449} 1450 1451static int vidioc_g_frequency(struct file *file, void *priv, 1452 struct v4l2_frequency *f) 1453{ 1454 struct cx23885_fh *fh = priv; 1455 struct cx23885_dev *dev = fh->dev; 1456 1457 if (unlikely(UNSET == dev->tuner_type)) 1458 return -EINVAL; 1459 1460 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */ 1461 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 1462 f->frequency = dev->freq; 1463 1464 call_all(dev, tuner, g_frequency, f); 1465 1466 return 0; 1467} 1468 1469static int cx23885_set_freq(struct cx23885_dev *dev, struct v4l2_frequency *f) 1470{ 1471 if (unlikely(UNSET == dev->tuner_type)) 1472 return -EINVAL; 1473 if (unlikely(f->tuner != 0)) 1474 return -EINVAL; 1475 1476 mutex_lock(&dev->lock); 1477 dev->freq = f->frequency; 1478 1479 call_all(dev, tuner, s_frequency, f); 1480 1481 /* When changing channels it is required to reset TVAUDIO */ 1482 msleep(10); 1483 1484 mutex_unlock(&dev->lock); 1485 1486 return 0; 1487} 1488 1489static int vidioc_s_frequency(struct file *file, void *priv, 1490 struct v4l2_frequency *f) 1491{ 1492 struct cx23885_fh *fh = priv; 1493 struct cx23885_dev *dev = fh->dev; 1494 1495 if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV)) 1496 return -EINVAL; 1497 if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO)) 1498 return -EINVAL; 1499 1500 return 1501 cx23885_set_freq(dev, f); 1502} 1503 1504/* ----------------------------------------------------------- */ 1505 1506static void cx23885_vid_timeout(unsigned long data) 1507{ 1508 struct cx23885_dev *dev = (struct cx23885_dev *)data; 1509 struct cx23885_dmaqueue *q = &dev->vidq; 1510 struct cx23885_buffer *buf; 1511 unsigned long flags; 1512 1513 spin_lock_irqsave(&dev->slock, flags); 1514 while (!list_empty(&q->active)) { 1515 buf = list_entry(q->active.next, 1516 struct cx23885_buffer, vb.queue); 1517 list_del(&buf->vb.queue); 1518 buf->vb.state = VIDEOBUF_ERROR; 1519 wake_up(&buf->vb.done); 1520 printk(KERN_ERR "%s: [%p/%d] timeout - dma=0x%08lx\n", 1521 dev->name, buf, buf->vb.i, 1522 (unsigned long)buf->risc.dma); 1523 } 1524 cx23885_restart_video_queue(dev, q); 1525 spin_unlock_irqrestore(&dev->slock, flags); 1526} 1527 1528int cx23885_video_irq(struct cx23885_dev *dev, u32 status) 1529{ 1530 u32 mask, count; 1531 int handled = 0; 1532 1533 mask = cx_read(VID_A_INT_MSK); 1534 if (0 == (status & mask)) 1535 return handled; 1536 1537 cx_write(VID_A_INT_STAT, status); 1538 1539 /* risc op code error, fifo overflow or line sync detection error */ 1540 if ((status & VID_BC_MSK_OPC_ERR) || 1541 (status & VID_BC_MSK_SYNC) || 1542 (status & VID_BC_MSK_OF)) { 1543 1544 if (status & VID_BC_MSK_OPC_ERR) { 1545 dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n", 1546 VID_BC_MSK_OPC_ERR); 1547 printk(KERN_WARNING "%s: video risc op code error\n", 1548 dev->name); 1549 cx23885_sram_channel_dump(dev, 1550 &dev->sram_channels[SRAM_CH01]); 1551 } 1552 1553 if (status & VID_BC_MSK_SYNC) 1554 dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) " 1555 "video lines miss-match\n", 1556 VID_BC_MSK_SYNC); 1557 1558 if (status & VID_BC_MSK_OF) 1559 dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n", 1560 VID_BC_MSK_OF); 1561 1562 } 1563 1564 /* Video */ 1565 if (status & VID_BC_MSK_RISCI1) { 1566 spin_lock(&dev->slock); 1567 count = cx_read(VID_A_GPCNT); 1568 cx23885_video_wakeup(dev, &dev->vidq, count); 1569 spin_unlock(&dev->slock); 1570 handled++; 1571 } 1572 if (status & VID_BC_MSK_RISCI2) { 1573 dprintk(2, "stopper video\n"); 1574 spin_lock(&dev->slock); 1575 cx23885_restart_video_queue(dev, &dev->vidq); 1576 spin_unlock(&dev->slock); 1577 handled++; 1578 } 1579 1580 /* Allow the VBI framework to process it's payload */ 1581 handled += cx23885_vbi_irq(dev, status); 1582 1583 return handled; 1584} 1585 1586/* ----------------------------------------------------------- */ 1587/* exported stuff */ 1588 1589static const struct v4l2_file_operations video_fops = { 1590 .owner = THIS_MODULE, 1591 .open = video_open, 1592 .release = video_release, 1593 .read = video_read, 1594 .poll = video_poll, 1595 .mmap = video_mmap, 1596 .ioctl = video_ioctl2, 1597}; 1598 1599static const struct v4l2_ioctl_ops video_ioctl_ops = { 1600 .vidioc_querycap = vidioc_querycap, 1601 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 1602 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 1603 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 1604 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 1605 .vidioc_g_fmt_vbi_cap = cx23885_vbi_fmt, 1606 .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt, 1607 .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt, 1608 .vidioc_reqbufs = vidioc_reqbufs, 1609 .vidioc_querybuf = vidioc_querybuf, 1610 .vidioc_qbuf = vidioc_qbuf, 1611 .vidioc_dqbuf = vidioc_dqbuf, 1612 .vidioc_s_std = vidioc_s_std, 1613 .vidioc_enum_input = vidioc_enum_input, 1614 .vidioc_g_input = vidioc_g_input, 1615 .vidioc_s_input = vidioc_s_input, 1616 .vidioc_log_status = vidioc_log_status, 1617 .vidioc_queryctrl = vidioc_queryctrl, 1618 .vidioc_g_ctrl = vidioc_g_ctrl, 1619 .vidioc_s_ctrl = vidioc_s_ctrl, 1620 .vidioc_streamon = vidioc_streamon, 1621 .vidioc_streamoff = vidioc_streamoff, 1622 .vidioc_g_tuner = vidioc_g_tuner, 1623 .vidioc_s_tuner = vidioc_s_tuner, 1624 .vidioc_g_frequency = vidioc_g_frequency, 1625 .vidioc_s_frequency = vidioc_s_frequency, 1626 .vidioc_g_chip_ident = cx23885_g_chip_ident, 1627#ifdef CONFIG_VIDEO_ADV_DEBUG 1628 .vidioc_g_register = cx23885_g_register, 1629 .vidioc_s_register = cx23885_s_register, 1630#endif 1631 .vidioc_enumaudio = vidioc_enum_audinput, 1632 .vidioc_g_audio = vidioc_g_audinput, 1633 .vidioc_s_audio = vidioc_s_audinput, 1634}; 1635 1636static struct video_device cx23885_vbi_template; 1637static struct video_device cx23885_video_template = { 1638 .name = "cx23885-video", 1639 .fops = &video_fops, 1640 .ioctl_ops = &video_ioctl_ops, 1641 .tvnorms = CX23885_NORMS, 1642 .current_norm = V4L2_STD_NTSC_M, 1643}; 1644 1645static const struct v4l2_file_operations radio_fops = { 1646 .owner = THIS_MODULE, 1647 .open = video_open, 1648 .release = video_release, 1649 .ioctl = video_ioctl2, 1650}; 1651 1652 1653void cx23885_video_unregister(struct cx23885_dev *dev) 1654{ 1655 dprintk(1, "%s()\n", __func__); 1656 cx23885_irq_remove(dev, 0x01); 1657 1658 if (dev->vbi_dev) { 1659 if (video_is_registered(dev->vbi_dev)) 1660 video_unregister_device(dev->vbi_dev); 1661 else 1662 video_device_release(dev->vbi_dev); 1663 dev->vbi_dev = NULL; 1664 btcx_riscmem_free(dev->pci, &dev->vbiq.stopper); 1665 } 1666 if (dev->video_dev) { 1667 if (video_is_registered(dev->video_dev)) 1668 video_unregister_device(dev->video_dev); 1669 else 1670 video_device_release(dev->video_dev); 1671 dev->video_dev = NULL; 1672 1673 btcx_riscmem_free(dev->pci, &dev->vidq.stopper); 1674 } 1675 1676 if (dev->audio_dev) 1677 cx23885_audio_unregister(dev); 1678} 1679 1680int cx23885_video_register(struct cx23885_dev *dev) 1681{ 1682 int err; 1683 1684 dprintk(1, "%s()\n", __func__); 1685 spin_lock_init(&dev->slock); 1686 1687 /* Initialize VBI template */ 1688 memcpy(&cx23885_vbi_template, &cx23885_video_template, 1689 sizeof(cx23885_vbi_template)); 1690 strcpy(cx23885_vbi_template.name, "cx23885-vbi"); 1691 1692 dev->tvnorm = cx23885_video_template.current_norm; 1693 1694 /* init video dma queues */ 1695 INIT_LIST_HEAD(&dev->vidq.active); 1696 INIT_LIST_HEAD(&dev->vidq.queued); 1697 dev->vidq.timeout.function = cx23885_vid_timeout; 1698 dev->vidq.timeout.data = (unsigned long)dev; 1699 init_timer(&dev->vidq.timeout); 1700 cx23885_risc_stopper(dev->pci, &dev->vidq.stopper, 1701 VID_A_DMA_CTL, 0x11, 0x00); 1702 1703 /* init vbi dma queues */ 1704 INIT_LIST_HEAD(&dev->vbiq.active); 1705 INIT_LIST_HEAD(&dev->vbiq.queued); 1706 dev->vbiq.timeout.function = cx23885_vbi_timeout; 1707 dev->vbiq.timeout.data = (unsigned long)dev; 1708 init_timer(&dev->vbiq.timeout); 1709 cx23885_risc_stopper(dev->pci, &dev->vbiq.stopper, 1710 VID_A_DMA_CTL, 0x22, 0x00); 1711 1712 cx23885_irq_add_enable(dev, 0x01); 1713 1714 if ((TUNER_ABSENT != dev->tuner_type) && 1715 ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) { 1716 struct v4l2_subdev *sd = NULL; 1717 1718 if (dev->tuner_addr) 1719 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1720 &dev->i2c_bus[dev->tuner_bus].i2c_adap, 1721 "tuner", dev->tuner_addr, NULL); 1722 else 1723 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1724 &dev->i2c_bus[dev->tuner_bus].i2c_adap, 1725 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV)); 1726 if (sd) { 1727 struct tuner_setup tun_setup; 1728 1729 memset(&tun_setup, 0, sizeof(tun_setup)); 1730 tun_setup.mode_mask = T_ANALOG_TV; 1731 tun_setup.type = dev->tuner_type; 1732 tun_setup.addr = v4l2_i2c_subdev_addr(sd); 1733 tun_setup.tuner_callback = cx23885_tuner_callback; 1734 1735 v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup); 1736 1737 if (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) { 1738 struct xc2028_ctrl ctrl = { 1739 .fname = XC2028_DEFAULT_FIRMWARE, 1740 .max_len = 64 1741 }; 1742 struct v4l2_priv_tun_config cfg = { 1743 .tuner = dev->tuner_type, 1744 .priv = &ctrl 1745 }; 1746 v4l2_subdev_call(sd, tuner, s_config, &cfg); 1747 } 1748 } 1749 } 1750 1751 /* register Video device */ 1752 dev->video_dev = cx23885_vdev_init(dev, dev->pci, 1753 &cx23885_video_template, "video"); 1754 err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER, 1755 video_nr[dev->nr]); 1756 if (err < 0) { 1757 printk(KERN_INFO "%s: can't register video device\n", 1758 dev->name); 1759 goto fail_unreg; 1760 } 1761 printk(KERN_INFO "%s: registered device %s [v4l2]\n", 1762 dev->name, video_device_node_name(dev->video_dev)); 1763 1764 /* register VBI device */ 1765 dev->vbi_dev = cx23885_vdev_init(dev, dev->pci, 1766 &cx23885_vbi_template, "vbi"); 1767 err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, 1768 vbi_nr[dev->nr]); 1769 if (err < 0) { 1770 printk(KERN_INFO "%s: can't register vbi device\n", 1771 dev->name); 1772 goto fail_unreg; 1773 } 1774 printk(KERN_INFO "%s: registered device %s\n", 1775 dev->name, video_device_node_name(dev->vbi_dev)); 1776 1777 /* Register ALSA audio device */ 1778 dev->audio_dev = cx23885_audio_register(dev); 1779 1780 /* initial device configuration */ 1781 mutex_lock(&dev->lock); 1782 cx23885_set_tvnorm(dev, dev->tvnorm); 1783 init_controls(dev); 1784 cx23885_video_mux(dev, 0); 1785 cx23885_audio_mux(dev, 0); 1786 mutex_unlock(&dev->lock); 1787 1788 return 0; 1789 1790fail_unreg: 1791 cx23885_video_unregister(dev); 1792 return err; 1793} 1794 1795