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 = 65535, 257 .step = 65535 / 100, 258 .default_value = 65535, 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 319int 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)", 348 cx23885_boards[dev->board].name, type); 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 dev->board == CX23885_BOARD_MYGICA_X8507) { 497 /* Select Analog TV */ 498 if (INPUT(input)->type == CX23885_VMUX_TELEVISION) 499 cx23885_gpio_clear(dev, GPIO_0); 500 } 501 502 /* Tell the internal A/V decoder */ 503 v4l2_subdev_call(dev->sd_cx25840, video, s_routing, 504 INPUT(input)->vmux, 0, 0); 505 506 if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1800) || 507 (dev->board == CX23885_BOARD_MPX885) || 508 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850)) { 509 /* Configure audio routing */ 510 v4l2_subdev_call(dev->sd_cx25840, audio, s_routing, 511 INPUT(input)->amux, 0, 0); 512 513 if (INPUT(input)->amux == CX25840_AUDIO7) 514 cx23885_flatiron_mux(dev, 1); 515 else if (INPUT(input)->amux == CX25840_AUDIO6) 516 cx23885_flatiron_mux(dev, 2); 517 } 518 519 return 0; 520} 521 522static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input) 523{ 524 dprintk(1, "%s(input=%d)\n", __func__, input); 525 526 /* The baseband video core of the cx23885 has two audio inputs. 527 * LR1 and LR2. In almost every single case so far only HVR1xxx 528 * cards we've only ever supported LR1. Time to support LR2, 529 * which is available via the optional white breakout header on 530 * the board. 531 * We'll use a could of existing enums in the card struct to allow 532 * devs to specify which baseband input they need, or just default 533 * to what we've always used. 534 */ 535 if (INPUT(input)->amux == CX25840_AUDIO7) 536 cx23885_flatiron_mux(dev, 1); 537 else if (INPUT(input)->amux == CX25840_AUDIO6) 538 cx23885_flatiron_mux(dev, 2); 539 else { 540 /* Not specifically defined, assume the default. */ 541 cx23885_flatiron_mux(dev, 1); 542 } 543 544 return 0; 545} 546 547/* ------------------------------------------------------------------ */ 548static int cx23885_start_video_dma(struct cx23885_dev *dev, 549 struct cx23885_dmaqueue *q, 550 struct cx23885_buffer *buf) 551{ 552 dprintk(1, "%s()\n", __func__); 553 554 /* Stop the dma/fifo before we tamper with it's risc programs */ 555 cx_clear(VID_A_DMA_CTL, 0x11); 556 557 /* setup fifo + format */ 558 cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01], 559 buf->bpl, buf->risc.dma); 560 561 /* reset counter */ 562 cx_write(VID_A_GPCNT_CTL, 3); 563 q->count = 1; 564 565 /* enable irq */ 566 cx23885_irq_add_enable(dev, 0x01); 567 cx_set(VID_A_INT_MSK, 0x000011); 568 569 /* start dma */ 570 cx_set(DEV_CNTRL2, (1<<5)); 571 cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */ 572 573 return 0; 574} 575 576 577static int cx23885_restart_video_queue(struct cx23885_dev *dev, 578 struct cx23885_dmaqueue *q) 579{ 580 struct cx23885_buffer *buf, *prev; 581 struct list_head *item; 582 dprintk(1, "%s()\n", __func__); 583 584 if (!list_empty(&q->active)) { 585 buf = list_entry(q->active.next, struct cx23885_buffer, 586 vb.queue); 587 dprintk(2, "restart_queue [%p/%d]: restart dma\n", 588 buf, buf->vb.i); 589 cx23885_start_video_dma(dev, q, buf); 590 list_for_each(item, &q->active) { 591 buf = list_entry(item, struct cx23885_buffer, 592 vb.queue); 593 buf->count = q->count++; 594 } 595 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); 596 return 0; 597 } 598 599 prev = NULL; 600 for (;;) { 601 if (list_empty(&q->queued)) 602 return 0; 603 buf = list_entry(q->queued.next, struct cx23885_buffer, 604 vb.queue); 605 if (NULL == prev) { 606 list_move_tail(&buf->vb.queue, &q->active); 607 cx23885_start_video_dma(dev, q, buf); 608 buf->vb.state = VIDEOBUF_ACTIVE; 609 buf->count = q->count++; 610 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); 611 dprintk(2, "[%p/%d] restart_queue - first active\n", 612 buf, buf->vb.i); 613 614 } else if (prev->vb.width == buf->vb.width && 615 prev->vb.height == buf->vb.height && 616 prev->fmt == buf->fmt) { 617 list_move_tail(&buf->vb.queue, &q->active); 618 buf->vb.state = VIDEOBUF_ACTIVE; 619 buf->count = q->count++; 620 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); 621 prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */ 622 dprintk(2, "[%p/%d] restart_queue - move to active\n", 623 buf, buf->vb.i); 624 } else { 625 return 0; 626 } 627 prev = buf; 628 } 629} 630 631static int buffer_setup(struct videobuf_queue *q, unsigned int *count, 632 unsigned int *size) 633{ 634 struct cx23885_fh *fh = q->priv_data; 635 636 *size = fh->fmt->depth*fh->width*fh->height >> 3; 637 if (0 == *count) 638 *count = 32; 639 if (*size * *count > vid_limit * 1024 * 1024) 640 *count = (vid_limit * 1024 * 1024) / *size; 641 return 0; 642} 643 644static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, 645 enum v4l2_field field) 646{ 647 struct cx23885_fh *fh = q->priv_data; 648 struct cx23885_dev *dev = fh->dev; 649 struct cx23885_buffer *buf = 650 container_of(vb, struct cx23885_buffer, vb); 651 int rc, init_buffer = 0; 652 u32 line0_offset, line1_offset; 653 struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb); 654 int field_tff; 655 656 BUG_ON(NULL == fh->fmt); 657 if (fh->width < 48 || fh->width > norm_maxw(dev->tvnorm) || 658 fh->height < 32 || fh->height > norm_maxh(dev->tvnorm)) 659 return -EINVAL; 660 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3; 661 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) 662 return -EINVAL; 663 664 if (buf->fmt != fh->fmt || 665 buf->vb.width != fh->width || 666 buf->vb.height != fh->height || 667 buf->vb.field != field) { 668 buf->fmt = fh->fmt; 669 buf->vb.width = fh->width; 670 buf->vb.height = fh->height; 671 buf->vb.field = field; 672 init_buffer = 1; 673 } 674 675 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { 676 init_buffer = 1; 677 rc = videobuf_iolock(q, &buf->vb, NULL); 678 if (0 != rc) 679 goto fail; 680 } 681 682 if (init_buffer) { 683 buf->bpl = buf->vb.width * buf->fmt->depth >> 3; 684 switch (buf->vb.field) { 685 case V4L2_FIELD_TOP: 686 cx23885_risc_buffer(dev->pci, &buf->risc, 687 dma->sglist, 0, UNSET, 688 buf->bpl, 0, buf->vb.height); 689 break; 690 case V4L2_FIELD_BOTTOM: 691 cx23885_risc_buffer(dev->pci, &buf->risc, 692 dma->sglist, UNSET, 0, 693 buf->bpl, 0, buf->vb.height); 694 break; 695 case V4L2_FIELD_INTERLACED: 696 if (dev->tvnorm & V4L2_STD_NTSC) 697 /* NTSC or */ 698 field_tff = 1; 699 else 700 field_tff = 0; 701 702 if (cx23885_boards[dev->board].force_bff) 703 /* PAL / SECAM OR 888 in NTSC MODE */ 704 field_tff = 0; 705 706 if (field_tff) { 707 /* cx25840 transmits NTSC bottom field first */ 708 dprintk(1, "%s() Creating TFF/NTSC risc\n", 709 __func__); 710 line0_offset = buf->bpl; 711 line1_offset = 0; 712 } else { 713 /* All other formats are top field first */ 714 dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n", 715 __func__); 716 line0_offset = 0; 717 line1_offset = buf->bpl; 718 } 719 cx23885_risc_buffer(dev->pci, &buf->risc, 720 dma->sglist, line0_offset, 721 line1_offset, 722 buf->bpl, buf->bpl, 723 buf->vb.height >> 1); 724 break; 725 case V4L2_FIELD_SEQ_TB: 726 cx23885_risc_buffer(dev->pci, &buf->risc, 727 dma->sglist, 728 0, buf->bpl * (buf->vb.height >> 1), 729 buf->bpl, 0, 730 buf->vb.height >> 1); 731 break; 732 case V4L2_FIELD_SEQ_BT: 733 cx23885_risc_buffer(dev->pci, &buf->risc, 734 dma->sglist, 735 buf->bpl * (buf->vb.height >> 1), 0, 736 buf->bpl, 0, 737 buf->vb.height >> 1); 738 break; 739 default: 740 BUG(); 741 } 742 } 743 dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", 744 buf, buf->vb.i, 745 fh->width, fh->height, fh->fmt->depth, fh->fmt->name, 746 (unsigned long)buf->risc.dma); 747 748 buf->vb.state = VIDEOBUF_PREPARED; 749 return 0; 750 751 fail: 752 cx23885_free_buffer(q, buf); 753 return rc; 754} 755 756static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) 757{ 758 struct cx23885_buffer *buf = container_of(vb, 759 struct cx23885_buffer, vb); 760 struct cx23885_buffer *prev; 761 struct cx23885_fh *fh = vq->priv_data; 762 struct cx23885_dev *dev = fh->dev; 763 struct cx23885_dmaqueue *q = &dev->vidq; 764 765 /* add jump to stopper */ 766 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); 767 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); 768 buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ 769 770 if (!list_empty(&q->queued)) { 771 list_add_tail(&buf->vb.queue, &q->queued); 772 buf->vb.state = VIDEOBUF_QUEUED; 773 dprintk(2, "[%p/%d] buffer_queue - append to queued\n", 774 buf, buf->vb.i); 775 776 } else if (list_empty(&q->active)) { 777 list_add_tail(&buf->vb.queue, &q->active); 778 cx23885_start_video_dma(dev, q, buf); 779 buf->vb.state = VIDEOBUF_ACTIVE; 780 buf->count = q->count++; 781 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); 782 dprintk(2, "[%p/%d] buffer_queue - first active\n", 783 buf, buf->vb.i); 784 785 } else { 786 prev = list_entry(q->active.prev, struct cx23885_buffer, 787 vb.queue); 788 if (prev->vb.width == buf->vb.width && 789 prev->vb.height == buf->vb.height && 790 prev->fmt == buf->fmt) { 791 list_add_tail(&buf->vb.queue, &q->active); 792 buf->vb.state = VIDEOBUF_ACTIVE; 793 buf->count = q->count++; 794 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); 795 /* 64 bit bits 63-32 */ 796 prev->risc.jmp[2] = cpu_to_le32(0); 797 dprintk(2, "[%p/%d] buffer_queue - append to active\n", 798 buf, buf->vb.i); 799 800 } else { 801 list_add_tail(&buf->vb.queue, &q->queued); 802 buf->vb.state = VIDEOBUF_QUEUED; 803 dprintk(2, "[%p/%d] buffer_queue - first queued\n", 804 buf, buf->vb.i); 805 } 806 } 807} 808 809static void buffer_release(struct videobuf_queue *q, 810 struct videobuf_buffer *vb) 811{ 812 struct cx23885_buffer *buf = container_of(vb, 813 struct cx23885_buffer, vb); 814 815 cx23885_free_buffer(q, buf); 816} 817 818static struct videobuf_queue_ops cx23885_video_qops = { 819 .buf_setup = buffer_setup, 820 .buf_prepare = buffer_prepare, 821 .buf_queue = buffer_queue, 822 .buf_release = buffer_release, 823}; 824 825static struct videobuf_queue *get_queue(struct cx23885_fh *fh) 826{ 827 switch (fh->type) { 828 case V4L2_BUF_TYPE_VIDEO_CAPTURE: 829 return &fh->vidq; 830 case V4L2_BUF_TYPE_VBI_CAPTURE: 831 return &fh->vbiq; 832 default: 833 BUG(); 834 return NULL; 835 } 836} 837 838static int get_resource(struct cx23885_fh *fh) 839{ 840 switch (fh->type) { 841 case V4L2_BUF_TYPE_VIDEO_CAPTURE: 842 return RESOURCE_VIDEO; 843 case V4L2_BUF_TYPE_VBI_CAPTURE: 844 return RESOURCE_VBI; 845 default: 846 BUG(); 847 return 0; 848 } 849} 850 851static int video_open(struct file *file) 852{ 853 struct video_device *vdev = video_devdata(file); 854 struct cx23885_dev *dev = video_drvdata(file); 855 struct cx23885_fh *fh; 856 enum v4l2_buf_type type = 0; 857 int radio = 0; 858 859 switch (vdev->vfl_type) { 860 case VFL_TYPE_GRABBER: 861 type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 862 break; 863 case VFL_TYPE_VBI: 864 type = V4L2_BUF_TYPE_VBI_CAPTURE; 865 break; 866 case VFL_TYPE_RADIO: 867 radio = 1; 868 break; 869 } 870 871 dprintk(1, "open dev=%s radio=%d type=%s\n", 872 video_device_node_name(vdev), radio, v4l2_type_names[type]); 873 874 /* allocate + initialize per filehandle data */ 875 fh = kzalloc(sizeof(*fh), GFP_KERNEL); 876 if (NULL == fh) 877 return -ENOMEM; 878 879 file->private_data = fh; 880 fh->dev = dev; 881 fh->radio = radio; 882 fh->type = type; 883 fh->width = 320; 884 fh->height = 240; 885 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV); 886 887 videobuf_queue_sg_init(&fh->vidq, &cx23885_video_qops, 888 &dev->pci->dev, &dev->slock, 889 V4L2_BUF_TYPE_VIDEO_CAPTURE, 890 V4L2_FIELD_INTERLACED, 891 sizeof(struct cx23885_buffer), 892 fh, NULL); 893 894 videobuf_queue_sg_init(&fh->vbiq, &cx23885_vbi_qops, 895 &dev->pci->dev, &dev->slock, 896 V4L2_BUF_TYPE_VBI_CAPTURE, 897 V4L2_FIELD_SEQ_TB, 898 sizeof(struct cx23885_buffer), 899 fh, NULL); 900 901 902 dprintk(1, "post videobuf_queue_init()\n"); 903 904 return 0; 905} 906 907static ssize_t video_read(struct file *file, char __user *data, 908 size_t count, loff_t *ppos) 909{ 910 struct cx23885_fh *fh = file->private_data; 911 912 switch (fh->type) { 913 case V4L2_BUF_TYPE_VIDEO_CAPTURE: 914 if (res_locked(fh->dev, RESOURCE_VIDEO)) 915 return -EBUSY; 916 return videobuf_read_one(&fh->vidq, data, count, ppos, 917 file->f_flags & O_NONBLOCK); 918 case V4L2_BUF_TYPE_VBI_CAPTURE: 919 if (!res_get(fh->dev, fh, RESOURCE_VBI)) 920 return -EBUSY; 921 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1, 922 file->f_flags & O_NONBLOCK); 923 default: 924 BUG(); 925 return 0; 926 } 927} 928 929static unsigned int video_poll(struct file *file, 930 struct poll_table_struct *wait) 931{ 932 struct cx23885_fh *fh = file->private_data; 933 struct cx23885_buffer *buf; 934 unsigned int rc = POLLERR; 935 936 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) { 937 if (!res_get(fh->dev, fh, RESOURCE_VBI)) 938 return POLLERR; 939 return videobuf_poll_stream(file, &fh->vbiq, wait); 940 } 941 942 mutex_lock(&fh->vidq.vb_lock); 943 if (res_check(fh, RESOURCE_VIDEO)) { 944 /* streaming capture */ 945 if (list_empty(&fh->vidq.stream)) 946 goto done; 947 buf = list_entry(fh->vidq.stream.next, 948 struct cx23885_buffer, vb.stream); 949 } else { 950 /* read() capture */ 951 buf = (struct cx23885_buffer *)fh->vidq.read_buf; 952 if (NULL == buf) 953 goto done; 954 } 955 poll_wait(file, &buf->vb.done, wait); 956 if (buf->vb.state == VIDEOBUF_DONE || 957 buf->vb.state == VIDEOBUF_ERROR) 958 rc = POLLIN|POLLRDNORM; 959 else 960 rc = 0; 961done: 962 mutex_unlock(&fh->vidq.vb_lock); 963 return rc; 964} 965 966static int video_release(struct file *file) 967{ 968 struct cx23885_fh *fh = file->private_data; 969 struct cx23885_dev *dev = fh->dev; 970 971 /* turn off overlay */ 972 if (res_check(fh, RESOURCE_OVERLAY)) { 973 /* FIXME */ 974 res_free(dev, fh, RESOURCE_OVERLAY); 975 } 976 977 /* stop video capture */ 978 if (res_check(fh, RESOURCE_VIDEO)) { 979 videobuf_queue_cancel(&fh->vidq); 980 res_free(dev, fh, RESOURCE_VIDEO); 981 } 982 if (fh->vidq.read_buf) { 983 buffer_release(&fh->vidq, fh->vidq.read_buf); 984 kfree(fh->vidq.read_buf); 985 } 986 987 /* stop vbi capture */ 988 if (res_check(fh, RESOURCE_VBI)) { 989 if (fh->vbiq.streaming) 990 videobuf_streamoff(&fh->vbiq); 991 if (fh->vbiq.reading) 992 videobuf_read_stop(&fh->vbiq); 993 res_free(dev, fh, RESOURCE_VBI); 994 } 995 996 videobuf_mmap_free(&fh->vidq); 997 videobuf_mmap_free(&fh->vbiq); 998 999 file->private_data = NULL; 1000 kfree(fh); 1001 1002 /* We are not putting the tuner to sleep here on exit, because 1003 * we want to use the mpeg encoder in another session to capture 1004 * tuner video. Closing this will result in no video to the encoder. 1005 */ 1006 1007 return 0; 1008} 1009 1010static int video_mmap(struct file *file, struct vm_area_struct *vma) 1011{ 1012 struct cx23885_fh *fh = file->private_data; 1013 1014 return videobuf_mmap_mapper(get_queue(fh), vma); 1015} 1016 1017/* ------------------------------------------------------------------ */ 1018/* VIDEO CTRL IOCTLS */ 1019 1020int cx23885_get_control(struct cx23885_dev *dev, 1021 struct v4l2_control *ctl) 1022{ 1023 dprintk(1, "%s() calling cx25840(VIDIOC_G_CTRL)\n", __func__); 1024 call_all(dev, core, g_ctrl, ctl); 1025 return 0; 1026} 1027 1028int cx23885_set_control(struct cx23885_dev *dev, 1029 struct v4l2_control *ctl) 1030{ 1031 dprintk(1, "%s() calling cx25840(VIDIOC_S_CTRL)\n", __func__); 1032 call_all(dev, core, s_ctrl, ctl); 1033 1034 return 0; 1035} 1036 1037static void init_controls(struct cx23885_dev *dev) 1038{ 1039 struct v4l2_control ctrl; 1040 int i; 1041 1042 for (i = 0; i < CX23885_CTLS; i++) { 1043 ctrl.id = cx23885_ctls[i].v.id; 1044 ctrl.value = cx23885_ctls[i].v.default_value; 1045 1046 cx23885_set_control(dev, &ctrl); 1047 } 1048} 1049 1050/* ------------------------------------------------------------------ */ 1051/* VIDEO IOCTLS */ 1052 1053static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 1054 struct v4l2_format *f) 1055{ 1056 struct cx23885_fh *fh = priv; 1057 1058 f->fmt.pix.width = fh->width; 1059 f->fmt.pix.height = fh->height; 1060 f->fmt.pix.field = fh->vidq.field; 1061 f->fmt.pix.pixelformat = fh->fmt->fourcc; 1062 f->fmt.pix.bytesperline = 1063 (f->fmt.pix.width * fh->fmt->depth) >> 3; 1064 f->fmt.pix.sizeimage = 1065 f->fmt.pix.height * f->fmt.pix.bytesperline; 1066 1067 return 0; 1068} 1069 1070static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 1071 struct v4l2_format *f) 1072{ 1073 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1074 struct cx23885_fmt *fmt; 1075 enum v4l2_field field; 1076 unsigned int maxw, maxh; 1077 1078 fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1079 if (NULL == fmt) 1080 return -EINVAL; 1081 1082 field = f->fmt.pix.field; 1083 maxw = norm_maxw(dev->tvnorm); 1084 maxh = norm_maxh(dev->tvnorm); 1085 1086 if (V4L2_FIELD_ANY == field) { 1087 field = (f->fmt.pix.height > maxh/2) 1088 ? V4L2_FIELD_INTERLACED 1089 : V4L2_FIELD_BOTTOM; 1090 } 1091 1092 switch (field) { 1093 case V4L2_FIELD_TOP: 1094 case V4L2_FIELD_BOTTOM: 1095 maxh = maxh / 2; 1096 break; 1097 case V4L2_FIELD_INTERLACED: 1098 break; 1099 default: 1100 return -EINVAL; 1101 } 1102 1103 f->fmt.pix.field = field; 1104 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2, 1105 &f->fmt.pix.height, 32, maxh, 0, 0); 1106 f->fmt.pix.bytesperline = 1107 (f->fmt.pix.width * fmt->depth) >> 3; 1108 f->fmt.pix.sizeimage = 1109 f->fmt.pix.height * f->fmt.pix.bytesperline; 1110 1111 return 0; 1112} 1113 1114static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 1115 struct v4l2_format *f) 1116{ 1117 struct cx23885_fh *fh = priv; 1118 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1119 struct v4l2_mbus_framefmt mbus_fmt; 1120 int err; 1121 1122 dprintk(2, "%s()\n", __func__); 1123 err = vidioc_try_fmt_vid_cap(file, priv, f); 1124 1125 if (0 != err) 1126 return err; 1127 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1128 fh->width = f->fmt.pix.width; 1129 fh->height = f->fmt.pix.height; 1130 fh->vidq.field = f->fmt.pix.field; 1131 dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, 1132 fh->width, fh->height, fh->vidq.field); 1133 v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED); 1134 call_all(dev, video, s_mbus_fmt, &mbus_fmt); 1135 v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt); 1136 return 0; 1137} 1138 1139static int vidioc_querycap(struct file *file, void *priv, 1140 struct v4l2_capability *cap) 1141{ 1142 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1143 1144 strcpy(cap->driver, "cx23885"); 1145 strlcpy(cap->card, cx23885_boards[dev->board].name, 1146 sizeof(cap->card)); 1147 sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); 1148 cap->capabilities = 1149 V4L2_CAP_VIDEO_CAPTURE | 1150 V4L2_CAP_READWRITE | 1151 V4L2_CAP_STREAMING | 1152 V4L2_CAP_VBI_CAPTURE; 1153 if (UNSET != dev->tuner_type) 1154 cap->capabilities |= V4L2_CAP_TUNER; 1155 return 0; 1156} 1157 1158static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 1159 struct v4l2_fmtdesc *f) 1160{ 1161 if (unlikely(f->index >= ARRAY_SIZE(formats))) 1162 return -EINVAL; 1163 1164 strlcpy(f->description, formats[f->index].name, 1165 sizeof(f->description)); 1166 f->pixelformat = formats[f->index].fourcc; 1167 1168 return 0; 1169} 1170 1171static int vidioc_reqbufs(struct file *file, void *priv, 1172 struct v4l2_requestbuffers *p) 1173{ 1174 struct cx23885_fh *fh = priv; 1175 return videobuf_reqbufs(get_queue(fh), p); 1176} 1177 1178static int vidioc_querybuf(struct file *file, void *priv, 1179 struct v4l2_buffer *p) 1180{ 1181 struct cx23885_fh *fh = priv; 1182 return videobuf_querybuf(get_queue(fh), p); 1183} 1184 1185static int vidioc_qbuf(struct file *file, void *priv, 1186 struct v4l2_buffer *p) 1187{ 1188 struct cx23885_fh *fh = priv; 1189 return videobuf_qbuf(get_queue(fh), p); 1190} 1191 1192static int vidioc_dqbuf(struct file *file, void *priv, 1193 struct v4l2_buffer *p) 1194{ 1195 struct cx23885_fh *fh = priv; 1196 return videobuf_dqbuf(get_queue(fh), p, 1197 file->f_flags & O_NONBLOCK); 1198} 1199 1200static int vidioc_streamon(struct file *file, void *priv, 1201 enum v4l2_buf_type i) 1202{ 1203 struct cx23885_fh *fh = priv; 1204 struct cx23885_dev *dev = fh->dev; 1205 dprintk(1, "%s()\n", __func__); 1206 1207 if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) && 1208 (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)) 1209 return -EINVAL; 1210 if (unlikely(i != fh->type)) 1211 return -EINVAL; 1212 1213 if (unlikely(!res_get(dev, fh, get_resource(fh)))) 1214 return -EBUSY; 1215 1216 /* Don't start VBI streaming unless vida streaming 1217 * has already started. 1218 */ 1219 if ((fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) && 1220 ((cx_read(VID_A_DMA_CTL) & 0x11) == 0)) 1221 return -EINVAL; 1222 1223 return videobuf_streamon(get_queue(fh)); 1224} 1225 1226static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) 1227{ 1228 struct cx23885_fh *fh = priv; 1229 struct cx23885_dev *dev = fh->dev; 1230 int err, res; 1231 dprintk(1, "%s()\n", __func__); 1232 1233 if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) && 1234 (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)) 1235 return -EINVAL; 1236 if (i != fh->type) 1237 return -EINVAL; 1238 1239 res = get_resource(fh); 1240 err = videobuf_streamoff(get_queue(fh)); 1241 if (err < 0) 1242 return err; 1243 res_free(dev, fh, res); 1244 return 0; 1245} 1246 1247static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id) 1248{ 1249 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1250 dprintk(1, "%s()\n", __func__); 1251 1252 call_all(dev, core, g_std, id); 1253 1254 return 0; 1255} 1256 1257static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *tvnorms) 1258{ 1259 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1260 dprintk(1, "%s()\n", __func__); 1261 1262 mutex_lock(&dev->lock); 1263 cx23885_set_tvnorm(dev, *tvnorms); 1264 mutex_unlock(&dev->lock); 1265 1266 return 0; 1267} 1268 1269int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i) 1270{ 1271 static const char *iname[] = { 1272 [CX23885_VMUX_COMPOSITE1] = "Composite1", 1273 [CX23885_VMUX_COMPOSITE2] = "Composite2", 1274 [CX23885_VMUX_COMPOSITE3] = "Composite3", 1275 [CX23885_VMUX_COMPOSITE4] = "Composite4", 1276 [CX23885_VMUX_SVIDEO] = "S-Video", 1277 [CX23885_VMUX_COMPONENT] = "Component", 1278 [CX23885_VMUX_TELEVISION] = "Television", 1279 [CX23885_VMUX_CABLE] = "Cable TV", 1280 [CX23885_VMUX_DVB] = "DVB", 1281 [CX23885_VMUX_DEBUG] = "for debug only", 1282 }; 1283 unsigned int n; 1284 dprintk(1, "%s()\n", __func__); 1285 1286 n = i->index; 1287 if (n >= MAX_CX23885_INPUT) 1288 return -EINVAL; 1289 1290 if (0 == INPUT(n)->type) 1291 return -EINVAL; 1292 1293 i->index = n; 1294 i->type = V4L2_INPUT_TYPE_CAMERA; 1295 strcpy(i->name, iname[INPUT(n)->type]); 1296 if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) || 1297 (CX23885_VMUX_CABLE == INPUT(n)->type)) { 1298 i->type = V4L2_INPUT_TYPE_TUNER; 1299 i->std = CX23885_NORMS; 1300 } 1301 1302 /* Two selectable audio inputs for non-tv inputs */ 1303 if (INPUT(n)->type != CX23885_VMUX_TELEVISION) 1304 i->audioset = 0x3; 1305 1306 if (dev->input == n) { 1307 /* enum'd input matches our configured input. 1308 * Ask the video decoder to process the call 1309 * and give it an oppertunity to update the 1310 * status field. 1311 */ 1312 call_all(dev, video, g_input_status, &i->status); 1313 } 1314 1315 return 0; 1316} 1317 1318static int vidioc_enum_input(struct file *file, void *priv, 1319 struct v4l2_input *i) 1320{ 1321 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1322 dprintk(1, "%s()\n", __func__); 1323 return cx23885_enum_input(dev, i); 1324} 1325 1326int cx23885_get_input(struct file *file, void *priv, unsigned int *i) 1327{ 1328 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1329 1330 *i = dev->input; 1331 dprintk(1, "%s() returns %d\n", __func__, *i); 1332 return 0; 1333} 1334 1335static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) 1336{ 1337 return cx23885_get_input(file, priv, i); 1338} 1339 1340int cx23885_set_input(struct file *file, void *priv, unsigned int i) 1341{ 1342 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1343 1344 dprintk(1, "%s(%d)\n", __func__, i); 1345 1346 if (i >= MAX_CX23885_INPUT) { 1347 dprintk(1, "%s() -EINVAL\n", __func__); 1348 return -EINVAL; 1349 } 1350 1351 if (INPUT(i)->type == 0) 1352 return -EINVAL; 1353 1354 mutex_lock(&dev->lock); 1355 cx23885_video_mux(dev, i); 1356 1357 /* By default establish the default audio input for the card also */ 1358 /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */ 1359 cx23885_audio_mux(dev, i); 1360 mutex_unlock(&dev->lock); 1361 return 0; 1362} 1363 1364static int vidioc_s_input(struct file *file, void *priv, unsigned int i) 1365{ 1366 return cx23885_set_input(file, priv, i); 1367} 1368 1369static int vidioc_log_status(struct file *file, void *priv) 1370{ 1371 struct cx23885_fh *fh = priv; 1372 struct cx23885_dev *dev = fh->dev; 1373 1374 printk(KERN_INFO 1375 "%s/0: ============ START LOG STATUS ============\n", 1376 dev->name); 1377 call_all(dev, core, log_status); 1378 printk(KERN_INFO 1379 "%s/0: ============= END LOG STATUS =============\n", 1380 dev->name); 1381 return 0; 1382} 1383 1384static int cx23885_query_audinput(struct file *file, void *priv, 1385 struct v4l2_audio *i) 1386{ 1387 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1388 static const char *iname[] = { 1389 [0] = "Baseband L/R 1", 1390 [1] = "Baseband L/R 2", 1391 }; 1392 unsigned int n; 1393 dprintk(1, "%s()\n", __func__); 1394 1395 n = i->index; 1396 if (n >= 2) 1397 return -EINVAL; 1398 1399 memset(i, 0, sizeof(*i)); 1400 i->index = n; 1401 strcpy(i->name, iname[n]); 1402 i->capability = V4L2_AUDCAP_STEREO; 1403 i->mode = V4L2_AUDMODE_AVL; 1404 return 0; 1405 1406} 1407 1408static int vidioc_enum_audinput(struct file *file, void *priv, 1409 struct v4l2_audio *i) 1410{ 1411 return cx23885_query_audinput(file, priv, i); 1412} 1413 1414static int vidioc_g_audinput(struct file *file, void *priv, 1415 struct v4l2_audio *i) 1416{ 1417 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1418 1419 i->index = dev->audinput; 1420 dprintk(1, "%s(input=%d)\n", __func__, i->index); 1421 1422 return cx23885_query_audinput(file, priv, i); 1423} 1424 1425static int vidioc_s_audinput(struct file *file, void *priv, 1426 struct v4l2_audio *i) 1427{ 1428 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1429 if (i->index >= 2) 1430 return -EINVAL; 1431 1432 dprintk(1, "%s(%d)\n", __func__, i->index); 1433 1434 dev->audinput = i->index; 1435 1436 /* Skip the audio defaults from the cards struct, caller wants 1437 * directly touch the audio mux hardware. */ 1438 cx23885_flatiron_mux(dev, dev->audinput + 1); 1439 return 0; 1440} 1441 1442static int vidioc_queryctrl(struct file *file, void *priv, 1443 struct v4l2_queryctrl *qctrl) 1444{ 1445 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id); 1446 if (unlikely(qctrl->id == 0)) 1447 return -EINVAL; 1448 return cx23885_ctrl_query(qctrl); 1449} 1450 1451static int vidioc_g_ctrl(struct file *file, void *priv, 1452 struct v4l2_control *ctl) 1453{ 1454 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1455 1456 return cx23885_get_control(dev, ctl); 1457} 1458 1459static int vidioc_s_ctrl(struct file *file, void *priv, 1460 struct v4l2_control *ctl) 1461{ 1462 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1463 1464 return cx23885_set_control(dev, ctl); 1465} 1466 1467static int vidioc_g_tuner(struct file *file, void *priv, 1468 struct v4l2_tuner *t) 1469{ 1470 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1471 1472 if (unlikely(UNSET == dev->tuner_type)) 1473 return -EINVAL; 1474 if (0 != t->index) 1475 return -EINVAL; 1476 1477 strcpy(t->name, "Television"); 1478 1479 call_all(dev, tuner, g_tuner, t); 1480 return 0; 1481} 1482 1483static int vidioc_s_tuner(struct file *file, void *priv, 1484 struct v4l2_tuner *t) 1485{ 1486 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1487 1488 if (UNSET == dev->tuner_type) 1489 return -EINVAL; 1490 if (0 != t->index) 1491 return -EINVAL; 1492 /* Update the A/V core */ 1493 call_all(dev, tuner, s_tuner, t); 1494 1495 return 0; 1496} 1497 1498static int vidioc_g_frequency(struct file *file, void *priv, 1499 struct v4l2_frequency *f) 1500{ 1501 struct cx23885_fh *fh = priv; 1502 struct cx23885_dev *dev = fh->dev; 1503 1504 if (unlikely(UNSET == dev->tuner_type)) 1505 return -EINVAL; 1506 1507 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */ 1508 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 1509 f->frequency = dev->freq; 1510 1511 call_all(dev, tuner, g_frequency, f); 1512 1513 return 0; 1514} 1515 1516static int cx23885_set_freq(struct cx23885_dev *dev, struct v4l2_frequency *f) 1517{ 1518 struct v4l2_control ctrl; 1519 1520 if (unlikely(UNSET == dev->tuner_type)) 1521 return -EINVAL; 1522 if (unlikely(f->tuner != 0)) 1523 return -EINVAL; 1524 1525 mutex_lock(&dev->lock); 1526 dev->freq = f->frequency; 1527 1528 /* I need to mute audio here */ 1529 ctrl.id = V4L2_CID_AUDIO_MUTE; 1530 ctrl.value = 1; 1531 cx23885_set_control(dev, &ctrl); 1532 1533 call_all(dev, tuner, s_frequency, f); 1534 1535 /* When changing channels it is required to reset TVAUDIO */ 1536 msleep(100); 1537 1538 /* I need to unmute audio here */ 1539 ctrl.value = 0; 1540 cx23885_set_control(dev, &ctrl); 1541 1542 mutex_unlock(&dev->lock); 1543 1544 return 0; 1545} 1546 1547static int cx23885_set_freq_via_ops(struct cx23885_dev *dev, 1548 struct v4l2_frequency *f) 1549{ 1550 struct v4l2_control ctrl; 1551 struct videobuf_dvb_frontend *vfe; 1552 struct dvb_frontend *fe; 1553 1554 struct analog_parameters params = { 1555 .mode = V4L2_TUNER_ANALOG_TV, 1556 .audmode = V4L2_TUNER_MODE_STEREO, 1557 .std = dev->tvnorm, 1558 .frequency = f->frequency 1559 }; 1560 1561 mutex_lock(&dev->lock); 1562 dev->freq = f->frequency; 1563 1564 /* I need to mute audio here */ 1565 ctrl.id = V4L2_CID_AUDIO_MUTE; 1566 ctrl.value = 1; 1567 cx23885_set_control(dev, &ctrl); 1568 1569 /* If HVR1850 */ 1570 dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__, 1571 params.frequency, f->tuner, params.std); 1572 1573 vfe = videobuf_dvb_get_frontend(&dev->ts2.frontends, 1); 1574 if (!vfe) { 1575 mutex_unlock(&dev->lock); 1576 return -EINVAL; 1577 } 1578 1579 fe = vfe->dvb.frontend; 1580 1581 if (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) 1582 fe = &dev->ts1.analog_fe; 1583 1584 if (fe && fe->ops.tuner_ops.set_analog_params) { 1585 call_all(dev, core, s_std, dev->tvnorm); 1586 fe->ops.tuner_ops.set_analog_params(fe, ¶ms); 1587 } 1588 else 1589 printk(KERN_ERR "%s() No analog tuner, aborting\n", __func__); 1590 1591 /* When changing channels it is required to reset TVAUDIO */ 1592 msleep(100); 1593 1594 /* I need to unmute audio here */ 1595 ctrl.value = 0; 1596 cx23885_set_control(dev, &ctrl); 1597 1598 mutex_unlock(&dev->lock); 1599 1600 return 0; 1601} 1602 1603int cx23885_set_frequency(struct file *file, void *priv, 1604 struct v4l2_frequency *f) 1605{ 1606 struct cx23885_fh *fh = priv; 1607 struct cx23885_dev *dev = fh->dev; 1608 int ret; 1609 1610 switch (dev->board) { 1611 case CX23885_BOARD_HAUPPAUGE_HVR1850: 1612 ret = cx23885_set_freq_via_ops(dev, f); 1613 break; 1614 default: 1615 ret = cx23885_set_freq(dev, f); 1616 } 1617 1618 return ret; 1619} 1620 1621static int vidioc_s_frequency(struct file *file, void *priv, 1622 struct v4l2_frequency *f) 1623{ 1624 return cx23885_set_frequency(file, priv, f); 1625} 1626 1627/* ----------------------------------------------------------- */ 1628 1629static void cx23885_vid_timeout(unsigned long data) 1630{ 1631 struct cx23885_dev *dev = (struct cx23885_dev *)data; 1632 struct cx23885_dmaqueue *q = &dev->vidq; 1633 struct cx23885_buffer *buf; 1634 unsigned long flags; 1635 1636 spin_lock_irqsave(&dev->slock, flags); 1637 while (!list_empty(&q->active)) { 1638 buf = list_entry(q->active.next, 1639 struct cx23885_buffer, vb.queue); 1640 list_del(&buf->vb.queue); 1641 buf->vb.state = VIDEOBUF_ERROR; 1642 wake_up(&buf->vb.done); 1643 printk(KERN_ERR "%s: [%p/%d] timeout - dma=0x%08lx\n", 1644 dev->name, buf, buf->vb.i, 1645 (unsigned long)buf->risc.dma); 1646 } 1647 cx23885_restart_video_queue(dev, q); 1648 spin_unlock_irqrestore(&dev->slock, flags); 1649} 1650 1651int cx23885_video_irq(struct cx23885_dev *dev, u32 status) 1652{ 1653 u32 mask, count; 1654 int handled = 0; 1655 1656 mask = cx_read(VID_A_INT_MSK); 1657 if (0 == (status & mask)) 1658 return handled; 1659 1660 cx_write(VID_A_INT_STAT, status); 1661 1662 /* risc op code error, fifo overflow or line sync detection error */ 1663 if ((status & VID_BC_MSK_OPC_ERR) || 1664 (status & VID_BC_MSK_SYNC) || 1665 (status & VID_BC_MSK_OF)) { 1666 1667 if (status & VID_BC_MSK_OPC_ERR) { 1668 dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n", 1669 VID_BC_MSK_OPC_ERR); 1670 printk(KERN_WARNING "%s: video risc op code error\n", 1671 dev->name); 1672 cx23885_sram_channel_dump(dev, 1673 &dev->sram_channels[SRAM_CH01]); 1674 } 1675 1676 if (status & VID_BC_MSK_SYNC) 1677 dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) " 1678 "video lines miss-match\n", 1679 VID_BC_MSK_SYNC); 1680 1681 if (status & VID_BC_MSK_OF) 1682 dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n", 1683 VID_BC_MSK_OF); 1684 1685 } 1686 1687 /* Video */ 1688 if (status & VID_BC_MSK_RISCI1) { 1689 spin_lock(&dev->slock); 1690 count = cx_read(VID_A_GPCNT); 1691 cx23885_video_wakeup(dev, &dev->vidq, count); 1692 spin_unlock(&dev->slock); 1693 handled++; 1694 } 1695 if (status & VID_BC_MSK_RISCI2) { 1696 dprintk(2, "stopper video\n"); 1697 spin_lock(&dev->slock); 1698 cx23885_restart_video_queue(dev, &dev->vidq); 1699 spin_unlock(&dev->slock); 1700 handled++; 1701 } 1702 1703 /* Allow the VBI framework to process it's payload */ 1704 handled += cx23885_vbi_irq(dev, status); 1705 1706 return handled; 1707} 1708 1709/* ----------------------------------------------------------- */ 1710/* exported stuff */ 1711 1712static const struct v4l2_file_operations video_fops = { 1713 .owner = THIS_MODULE, 1714 .open = video_open, 1715 .release = video_release, 1716 .read = video_read, 1717 .poll = video_poll, 1718 .mmap = video_mmap, 1719 .ioctl = video_ioctl2, 1720}; 1721 1722static const struct v4l2_ioctl_ops video_ioctl_ops = { 1723 .vidioc_querycap = vidioc_querycap, 1724 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 1725 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 1726 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 1727 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 1728 .vidioc_g_fmt_vbi_cap = cx23885_vbi_fmt, 1729 .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt, 1730 .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt, 1731 .vidioc_reqbufs = vidioc_reqbufs, 1732 .vidioc_querybuf = vidioc_querybuf, 1733 .vidioc_qbuf = vidioc_qbuf, 1734 .vidioc_dqbuf = vidioc_dqbuf, 1735 .vidioc_s_std = vidioc_s_std, 1736 .vidioc_g_std = vidioc_g_std, 1737 .vidioc_querystd = vidioc_g_std, 1738 .vidioc_enum_input = vidioc_enum_input, 1739 .vidioc_g_input = vidioc_g_input, 1740 .vidioc_s_input = vidioc_s_input, 1741 .vidioc_log_status = vidioc_log_status, 1742 .vidioc_queryctrl = vidioc_queryctrl, 1743 .vidioc_g_ctrl = vidioc_g_ctrl, 1744 .vidioc_s_ctrl = vidioc_s_ctrl, 1745 .vidioc_streamon = vidioc_streamon, 1746 .vidioc_streamoff = vidioc_streamoff, 1747 .vidioc_g_tuner = vidioc_g_tuner, 1748 .vidioc_s_tuner = vidioc_s_tuner, 1749 .vidioc_g_frequency = vidioc_g_frequency, 1750 .vidioc_s_frequency = vidioc_s_frequency, 1751 .vidioc_g_chip_ident = cx23885_g_chip_ident, 1752#ifdef CONFIG_VIDEO_ADV_DEBUG 1753 .vidioc_g_register = cx23885_g_register, 1754 .vidioc_s_register = cx23885_s_register, 1755#endif 1756 .vidioc_enumaudio = vidioc_enum_audinput, 1757 .vidioc_g_audio = vidioc_g_audinput, 1758 .vidioc_s_audio = vidioc_s_audinput, 1759}; 1760 1761static struct video_device cx23885_vbi_template; 1762static struct video_device cx23885_video_template = { 1763 .name = "cx23885-video", 1764 .fops = &video_fops, 1765 .ioctl_ops = &video_ioctl_ops, 1766 .tvnorms = CX23885_NORMS, 1767 .current_norm = V4L2_STD_NTSC_M, 1768}; 1769 1770static const struct v4l2_file_operations radio_fops = { 1771 .owner = THIS_MODULE, 1772 .open = video_open, 1773 .release = video_release, 1774 .ioctl = video_ioctl2, 1775}; 1776 1777 1778void cx23885_video_unregister(struct cx23885_dev *dev) 1779{ 1780 dprintk(1, "%s()\n", __func__); 1781 cx23885_irq_remove(dev, 0x01); 1782 1783 if (dev->vbi_dev) { 1784 if (video_is_registered(dev->vbi_dev)) 1785 video_unregister_device(dev->vbi_dev); 1786 else 1787 video_device_release(dev->vbi_dev); 1788 dev->vbi_dev = NULL; 1789 btcx_riscmem_free(dev->pci, &dev->vbiq.stopper); 1790 } 1791 if (dev->video_dev) { 1792 if (video_is_registered(dev->video_dev)) 1793 video_unregister_device(dev->video_dev); 1794 else 1795 video_device_release(dev->video_dev); 1796 dev->video_dev = NULL; 1797 1798 btcx_riscmem_free(dev->pci, &dev->vidq.stopper); 1799 } 1800 1801 if (dev->audio_dev) 1802 cx23885_audio_unregister(dev); 1803} 1804 1805int cx23885_video_register(struct cx23885_dev *dev) 1806{ 1807 int err; 1808 1809 dprintk(1, "%s()\n", __func__); 1810 spin_lock_init(&dev->slock); 1811 1812 /* Initialize VBI template */ 1813 memcpy(&cx23885_vbi_template, &cx23885_video_template, 1814 sizeof(cx23885_vbi_template)); 1815 strcpy(cx23885_vbi_template.name, "cx23885-vbi"); 1816 1817 dev->tvnorm = cx23885_video_template.current_norm; 1818 1819 /* init video dma queues */ 1820 INIT_LIST_HEAD(&dev->vidq.active); 1821 INIT_LIST_HEAD(&dev->vidq.queued); 1822 dev->vidq.timeout.function = cx23885_vid_timeout; 1823 dev->vidq.timeout.data = (unsigned long)dev; 1824 init_timer(&dev->vidq.timeout); 1825 cx23885_risc_stopper(dev->pci, &dev->vidq.stopper, 1826 VID_A_DMA_CTL, 0x11, 0x00); 1827 1828 /* init vbi dma queues */ 1829 INIT_LIST_HEAD(&dev->vbiq.active); 1830 INIT_LIST_HEAD(&dev->vbiq.queued); 1831 dev->vbiq.timeout.function = cx23885_vbi_timeout; 1832 dev->vbiq.timeout.data = (unsigned long)dev; 1833 init_timer(&dev->vbiq.timeout); 1834 cx23885_risc_stopper(dev->pci, &dev->vbiq.stopper, 1835 VID_A_DMA_CTL, 0x22, 0x00); 1836 1837 cx23885_irq_add_enable(dev, 0x01); 1838 1839 if ((TUNER_ABSENT != dev->tuner_type) && 1840 ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) { 1841 struct v4l2_subdev *sd = NULL; 1842 1843 if (dev->tuner_addr) 1844 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1845 &dev->i2c_bus[dev->tuner_bus].i2c_adap, 1846 "tuner", dev->tuner_addr, NULL); 1847 else 1848 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1849 &dev->i2c_bus[dev->tuner_bus].i2c_adap, 1850 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV)); 1851 if (sd) { 1852 struct tuner_setup tun_setup; 1853 1854 memset(&tun_setup, 0, sizeof(tun_setup)); 1855 tun_setup.mode_mask = T_ANALOG_TV; 1856 tun_setup.type = dev->tuner_type; 1857 tun_setup.addr = v4l2_i2c_subdev_addr(sd); 1858 tun_setup.tuner_callback = cx23885_tuner_callback; 1859 1860 v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup); 1861 1862 if (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) { 1863 struct xc2028_ctrl ctrl = { 1864 .fname = XC2028_DEFAULT_FIRMWARE, 1865 .max_len = 64 1866 }; 1867 struct v4l2_priv_tun_config cfg = { 1868 .tuner = dev->tuner_type, 1869 .priv = &ctrl 1870 }; 1871 v4l2_subdev_call(sd, tuner, s_config, &cfg); 1872 } 1873 } 1874 } 1875 1876 /* register Video device */ 1877 dev->video_dev = cx23885_vdev_init(dev, dev->pci, 1878 &cx23885_video_template, "video"); 1879 err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER, 1880 video_nr[dev->nr]); 1881 if (err < 0) { 1882 printk(KERN_INFO "%s: can't register video device\n", 1883 dev->name); 1884 goto fail_unreg; 1885 } 1886 printk(KERN_INFO "%s: registered device %s [v4l2]\n", 1887 dev->name, video_device_node_name(dev->video_dev)); 1888 1889 /* register VBI device */ 1890 dev->vbi_dev = cx23885_vdev_init(dev, dev->pci, 1891 &cx23885_vbi_template, "vbi"); 1892 err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, 1893 vbi_nr[dev->nr]); 1894 if (err < 0) { 1895 printk(KERN_INFO "%s: can't register vbi device\n", 1896 dev->name); 1897 goto fail_unreg; 1898 } 1899 printk(KERN_INFO "%s: registered device %s\n", 1900 dev->name, video_device_node_name(dev->vbi_dev)); 1901 1902 /* Register ALSA audio device */ 1903 dev->audio_dev = cx23885_audio_register(dev); 1904 1905 /* initial device configuration */ 1906 mutex_lock(&dev->lock); 1907 cx23885_set_tvnorm(dev, dev->tvnorm); 1908 init_controls(dev); 1909 cx23885_video_mux(dev, 0); 1910 cx23885_audio_mux(dev, 0); 1911 mutex_unlock(&dev->lock); 1912 1913 return 0; 1914 1915fail_unreg: 1916 cx23885_video_unregister(dev); 1917 return err; 1918} 1919 1920