1 /* 2 * 3 * device driver for Conexant 2388x based TV cards 4 * video4linux video interface 5 * 6 * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] 7 * 8 * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org> 9 * - Multituner support 10 * - video_ioctl2 conversion 11 * - PAL/M fixes 12 * 13 * This program is free software; you can redistribute it and/or modify 14 * it under the terms of the GNU General Public License as published by 15 * the Free Software Foundation; either version 2 of the License, or 16 * (at your option) any later version. 17 * 18 * This program is distributed in the hope that it will be useful, 19 * but WITHOUT ANY WARRANTY; without even the implied warranty of 20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 * GNU General Public License for more details. 22 * 23 * You should have received a copy of the GNU General Public License 24 * along with this program; if not, write to the Free Software 25 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 26 */ 27 28 #include <linux/init.h> 29 #include <linux/list.h> 30 #include <linux/module.h> 31 #include <linux/kmod.h> 32 #include <linux/kernel.h> 33 #include <linux/slab.h> 34 #include <linux/interrupt.h> 35 #include <linux/dma-mapping.h> 36 #include <linux/delay.h> 37 #include <linux/kthread.h> 38 #include <asm/div64.h> 39 40 #include "cx88.h" 41 #include <media/v4l2-common.h> 42 #include <media/v4l2-ioctl.h> 43 #include <media/v4l2-event.h> 44 #include <media/wm8775.h> 45 46 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards"); 47 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); 48 MODULE_LICENSE("GPL"); 49 MODULE_VERSION(CX88_VERSION); 50 51 /* ------------------------------------------------------------------ */ 52 53 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; 54 static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; 55 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; 56 57 module_param_array(video_nr, int, NULL, 0444); 58 module_param_array(vbi_nr, int, NULL, 0444); 59 module_param_array(radio_nr, int, NULL, 0444); 60 61 MODULE_PARM_DESC(video_nr,"video device numbers"); 62 MODULE_PARM_DESC(vbi_nr,"vbi device numbers"); 63 MODULE_PARM_DESC(radio_nr,"radio device numbers"); 64 65 static unsigned int video_debug; 66 module_param(video_debug,int,0644); 67 MODULE_PARM_DESC(video_debug,"enable debug messages [video]"); 68 69 static unsigned int irq_debug; 70 module_param(irq_debug,int,0644); 71 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]"); 72 73 static unsigned int vid_limit = 16; 74 module_param(vid_limit,int,0644); 75 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes"); 76 77 #define dprintk(level,fmt, arg...) if (video_debug >= level) \ 78 printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg) 79 80 /* ------------------------------------------------------------------- */ 81 /* static data */ 82 83 static const struct cx8800_fmt formats[] = { 84 { 85 .name = "8 bpp, gray", 86 .fourcc = V4L2_PIX_FMT_GREY, 87 .cxformat = ColorFormatY8, 88 .depth = 8, 89 .flags = FORMAT_FLAGS_PACKED, 90 },{ 91 .name = "15 bpp RGB, le", 92 .fourcc = V4L2_PIX_FMT_RGB555, 93 .cxformat = ColorFormatRGB15, 94 .depth = 16, 95 .flags = FORMAT_FLAGS_PACKED, 96 },{ 97 .name = "15 bpp RGB, be", 98 .fourcc = V4L2_PIX_FMT_RGB555X, 99 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP, 100 .depth = 16, 101 .flags = FORMAT_FLAGS_PACKED, 102 },{ 103 .name = "16 bpp RGB, le", 104 .fourcc = V4L2_PIX_FMT_RGB565, 105 .cxformat = ColorFormatRGB16, 106 .depth = 16, 107 .flags = FORMAT_FLAGS_PACKED, 108 },{ 109 .name = "16 bpp RGB, be", 110 .fourcc = V4L2_PIX_FMT_RGB565X, 111 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP, 112 .depth = 16, 113 .flags = FORMAT_FLAGS_PACKED, 114 },{ 115 .name = "24 bpp RGB, le", 116 .fourcc = V4L2_PIX_FMT_BGR24, 117 .cxformat = ColorFormatRGB24, 118 .depth = 24, 119 .flags = FORMAT_FLAGS_PACKED, 120 },{ 121 .name = "32 bpp RGB, le", 122 .fourcc = V4L2_PIX_FMT_BGR32, 123 .cxformat = ColorFormatRGB32, 124 .depth = 32, 125 .flags = FORMAT_FLAGS_PACKED, 126 },{ 127 .name = "32 bpp RGB, be", 128 .fourcc = V4L2_PIX_FMT_RGB32, 129 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP, 130 .depth = 32, 131 .flags = FORMAT_FLAGS_PACKED, 132 },{ 133 .name = "4:2:2, packed, YUYV", 134 .fourcc = V4L2_PIX_FMT_YUYV, 135 .cxformat = ColorFormatYUY2, 136 .depth = 16, 137 .flags = FORMAT_FLAGS_PACKED, 138 },{ 139 .name = "4:2:2, packed, UYVY", 140 .fourcc = V4L2_PIX_FMT_UYVY, 141 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP, 142 .depth = 16, 143 .flags = FORMAT_FLAGS_PACKED, 144 }, 145 }; 146 147 static const struct cx8800_fmt* format_by_fourcc(unsigned int fourcc) 148 { 149 unsigned int i; 150 151 for (i = 0; i < ARRAY_SIZE(formats); i++) 152 if (formats[i].fourcc == fourcc) 153 return formats+i; 154 return NULL; 155 } 156 157 /* ------------------------------------------------------------------- */ 158 159 struct cx88_ctrl { 160 /* control information */ 161 u32 id; 162 s32 minimum; 163 s32 maximum; 164 u32 step; 165 s32 default_value; 166 167 /* control register information */ 168 u32 off; 169 u32 reg; 170 u32 sreg; 171 u32 mask; 172 u32 shift; 173 }; 174 175 static const struct cx88_ctrl cx8800_vid_ctls[] = { 176 /* --- video --- */ 177 { 178 .id = V4L2_CID_BRIGHTNESS, 179 .minimum = 0x00, 180 .maximum = 0xff, 181 .step = 1, 182 .default_value = 0x7f, 183 .off = 128, 184 .reg = MO_CONTR_BRIGHT, 185 .mask = 0x00ff, 186 .shift = 0, 187 },{ 188 .id = V4L2_CID_CONTRAST, 189 .minimum = 0, 190 .maximum = 0xff, 191 .step = 1, 192 .default_value = 0x3f, 193 .off = 0, 194 .reg = MO_CONTR_BRIGHT, 195 .mask = 0xff00, 196 .shift = 8, 197 },{ 198 .id = V4L2_CID_HUE, 199 .minimum = 0, 200 .maximum = 0xff, 201 .step = 1, 202 .default_value = 0x7f, 203 .off = 128, 204 .reg = MO_HUE, 205 .mask = 0x00ff, 206 .shift = 0, 207 },{ 208 /* strictly, this only describes only U saturation. 209 * V saturation is handled specially through code. 210 */ 211 .id = V4L2_CID_SATURATION, 212 .minimum = 0, 213 .maximum = 0xff, 214 .step = 1, 215 .default_value = 0x7f, 216 .off = 0, 217 .reg = MO_UV_SATURATION, 218 .mask = 0x00ff, 219 .shift = 0, 220 }, { 221 .id = V4L2_CID_SHARPNESS, 222 .minimum = 0, 223 .maximum = 4, 224 .step = 1, 225 .default_value = 0x0, 226 .off = 0, 227 /* NOTE: the value is converted and written to both even 228 and odd registers in the code */ 229 .reg = MO_FILTER_ODD, 230 .mask = 7 << 7, 231 .shift = 7, 232 }, { 233 .id = V4L2_CID_CHROMA_AGC, 234 .minimum = 0, 235 .maximum = 1, 236 .default_value = 0x1, 237 .reg = MO_INPUT_FORMAT, 238 .mask = 1 << 10, 239 .shift = 10, 240 }, { 241 .id = V4L2_CID_COLOR_KILLER, 242 .minimum = 0, 243 .maximum = 1, 244 .default_value = 0x1, 245 .reg = MO_INPUT_FORMAT, 246 .mask = 1 << 9, 247 .shift = 9, 248 }, { 249 .id = V4L2_CID_BAND_STOP_FILTER, 250 .minimum = 0, 251 .maximum = 1, 252 .step = 1, 253 .default_value = 0x0, 254 .off = 0, 255 .reg = MO_HTOTAL, 256 .mask = 3 << 11, 257 .shift = 11, 258 } 259 }; 260 261 static const struct cx88_ctrl cx8800_aud_ctls[] = { 262 { 263 /* --- audio --- */ 264 .id = V4L2_CID_AUDIO_MUTE, 265 .minimum = 0, 266 .maximum = 1, 267 .default_value = 1, 268 .reg = AUD_VOL_CTL, 269 .sreg = SHADOW_AUD_VOL_CTL, 270 .mask = (1 << 6), 271 .shift = 6, 272 },{ 273 .id = V4L2_CID_AUDIO_VOLUME, 274 .minimum = 0, 275 .maximum = 0x3f, 276 .step = 1, 277 .default_value = 0x3f, 278 .reg = AUD_VOL_CTL, 279 .sreg = SHADOW_AUD_VOL_CTL, 280 .mask = 0x3f, 281 .shift = 0, 282 },{ 283 .id = V4L2_CID_AUDIO_BALANCE, 284 .minimum = 0, 285 .maximum = 0x7f, 286 .step = 1, 287 .default_value = 0x40, 288 .reg = AUD_BAL_CTL, 289 .sreg = SHADOW_AUD_BAL_CTL, 290 .mask = 0x7f, 291 .shift = 0, 292 } 293 }; 294 295 enum { 296 CX8800_VID_CTLS = ARRAY_SIZE(cx8800_vid_ctls), 297 CX8800_AUD_CTLS = ARRAY_SIZE(cx8800_aud_ctls), 298 }; 299 300 /* ------------------------------------------------------------------- */ 301 /* resource management */ 302 303 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit) 304 { 305 struct cx88_core *core = dev->core; 306 if (fh->resources & bit) 307 /* have it already allocated */ 308 return 1; 309 310 /* is it free? */ 311 mutex_lock(&core->lock); 312 if (dev->resources & bit) { 313 /* no, someone else uses it */ 314 mutex_unlock(&core->lock); 315 return 0; 316 } 317 /* it's free, grab it */ 318 fh->resources |= bit; 319 dev->resources |= bit; 320 dprintk(1,"res: get %d\n",bit); 321 mutex_unlock(&core->lock); 322 return 1; 323 } 324 325 static 326 int res_check(struct cx8800_fh *fh, unsigned int bit) 327 { 328 return (fh->resources & bit); 329 } 330 331 static 332 int res_locked(struct cx8800_dev *dev, unsigned int bit) 333 { 334 return (dev->resources & bit); 335 } 336 337 static 338 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits) 339 { 340 struct cx88_core *core = dev->core; 341 BUG_ON((fh->resources & bits) != bits); 342 343 mutex_lock(&core->lock); 344 fh->resources &= ~bits; 345 dev->resources &= ~bits; 346 dprintk(1,"res: put %d\n",bits); 347 mutex_unlock(&core->lock); 348 } 349 350 /* ------------------------------------------------------------------ */ 351 352 int cx88_video_mux(struct cx88_core *core, unsigned int input) 353 { 354 /* struct cx88_core *core = dev->core; */ 355 356 dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n", 357 input, INPUT(input).vmux, 358 INPUT(input).gpio0,INPUT(input).gpio1, 359 INPUT(input).gpio2,INPUT(input).gpio3); 360 core->input = input; 361 cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14); 362 cx_write(MO_GP3_IO, INPUT(input).gpio3); 363 cx_write(MO_GP0_IO, INPUT(input).gpio0); 364 cx_write(MO_GP1_IO, INPUT(input).gpio1); 365 cx_write(MO_GP2_IO, INPUT(input).gpio2); 366 367 switch (INPUT(input).type) { 368 case CX88_VMUX_SVIDEO: 369 cx_set(MO_AFECFG_IO, 0x00000001); 370 cx_set(MO_INPUT_FORMAT, 0x00010010); 371 cx_set(MO_FILTER_EVEN, 0x00002020); 372 cx_set(MO_FILTER_ODD, 0x00002020); 373 break; 374 default: 375 cx_clear(MO_AFECFG_IO, 0x00000001); 376 cx_clear(MO_INPUT_FORMAT, 0x00010010); 377 cx_clear(MO_FILTER_EVEN, 0x00002020); 378 cx_clear(MO_FILTER_ODD, 0x00002020); 379 break; 380 } 381 382 /* if there are audioroutes defined, we have an external 383 ADC to deal with audio */ 384 if (INPUT(input).audioroute) { 385 /* The wm8775 module has the "2" route hardwired into 386 the initialization. Some boards may use different 387 routes for different inputs. HVR-1300 surely does */ 388 if (core->board.audio_chip && 389 core->board.audio_chip == V4L2_IDENT_WM8775) { 390 call_all(core, audio, s_routing, 391 INPUT(input).audioroute, 0, 0); 392 } 393 /* cx2388's C-ADC is connected to the tuner only. 394 When used with S-Video, that ADC is busy dealing with 395 chroma, so an external must be used for baseband audio */ 396 if (INPUT(input).type != CX88_VMUX_TELEVISION && 397 INPUT(input).type != CX88_VMUX_CABLE) { 398 /* "I2S ADC mode" */ 399 core->tvaudio = WW_I2SADC; 400 cx88_set_tvaudio(core); 401 } else { 402 /* Normal mode */ 403 cx_write(AUD_I2SCNTL, 0x0); 404 cx_clear(AUD_CTL, EN_I2SIN_ENABLE); 405 } 406 } 407 408 return 0; 409 } 410 EXPORT_SYMBOL(cx88_video_mux); 411 412 /* ------------------------------------------------------------------ */ 413 414 static int start_video_dma(struct cx8800_dev *dev, 415 struct cx88_dmaqueue *q, 416 struct cx88_buffer *buf) 417 { 418 struct cx88_core *core = dev->core; 419 420 /* setup fifo + format */ 421 cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21], 422 buf->bpl, buf->risc.dma); 423 cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field); 424 cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma); 425 426 /* reset counter */ 427 cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET); 428 q->count = 1; 429 430 /* enable irqs */ 431 cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT); 432 433 /* Enables corresponding bits at PCI_INT_STAT: 434 bits 0 to 4: video, audio, transport stream, VIP, Host 435 bit 7: timer 436 bits 8 and 9: DMA complete for: SRC, DST 437 bits 10 and 11: BERR signal asserted for RISC: RD, WR 438 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB 439 */ 440 cx_set(MO_VID_INTMSK, 0x0f0011); 441 442 /* enable capture */ 443 cx_set(VID_CAPTURE_CONTROL,0x06); 444 445 /* start dma */ 446 cx_set(MO_DEV_CNTRL2, (1<<5)); 447 cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */ 448 449 return 0; 450 } 451 452 #ifdef CONFIG_PM 453 static int stop_video_dma(struct cx8800_dev *dev) 454 { 455 struct cx88_core *core = dev->core; 456 457 /* stop dma */ 458 cx_clear(MO_VID_DMACNTRL, 0x11); 459 460 /* disable capture */ 461 cx_clear(VID_CAPTURE_CONTROL,0x06); 462 463 /* disable irqs */ 464 cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT); 465 cx_clear(MO_VID_INTMSK, 0x0f0011); 466 return 0; 467 } 468 #endif 469 470 static int restart_video_queue(struct cx8800_dev *dev, 471 struct cx88_dmaqueue *q) 472 { 473 struct cx88_core *core = dev->core; 474 struct cx88_buffer *buf, *prev; 475 476 if (!list_empty(&q->active)) { 477 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); 478 dprintk(2,"restart_queue [%p/%d]: restart dma\n", 479 buf, buf->vb.i); 480 start_video_dma(dev, q, buf); 481 list_for_each_entry(buf, &q->active, vb.queue) 482 buf->count = q->count++; 483 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); 484 return 0; 485 } 486 487 prev = NULL; 488 for (;;) { 489 if (list_empty(&q->queued)) 490 return 0; 491 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue); 492 if (NULL == prev) { 493 list_move_tail(&buf->vb.queue, &q->active); 494 start_video_dma(dev, q, buf); 495 buf->vb.state = VIDEOBUF_ACTIVE; 496 buf->count = q->count++; 497 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); 498 dprintk(2,"[%p/%d] restart_queue - first active\n", 499 buf,buf->vb.i); 500 501 } else if (prev->vb.width == buf->vb.width && 502 prev->vb.height == buf->vb.height && 503 prev->fmt == buf->fmt) { 504 list_move_tail(&buf->vb.queue, &q->active); 505 buf->vb.state = VIDEOBUF_ACTIVE; 506 buf->count = q->count++; 507 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); 508 dprintk(2,"[%p/%d] restart_queue - move to active\n", 509 buf,buf->vb.i); 510 } else { 511 return 0; 512 } 513 prev = buf; 514 } 515 } 516 517 /* ------------------------------------------------------------------ */ 518 519 static int 520 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size) 521 { 522 struct cx8800_fh *fh = q->priv_data; 523 struct cx8800_dev *dev = fh->dev; 524 525 *size = dev->fmt->depth * dev->width * dev->height >> 3; 526 if (0 == *count) 527 *count = 32; 528 if (*size * *count > vid_limit * 1024 * 1024) 529 *count = (vid_limit * 1024 * 1024) / *size; 530 return 0; 531 } 532 533 static int 534 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, 535 enum v4l2_field field) 536 { 537 struct cx8800_fh *fh = q->priv_data; 538 struct cx8800_dev *dev = fh->dev; 539 struct cx88_core *core = dev->core; 540 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb); 541 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb); 542 int rc, init_buffer = 0; 543 544 BUG_ON(NULL == dev->fmt); 545 if (dev->width < 48 || dev->width > norm_maxw(core->tvnorm) || 546 dev->height < 32 || dev->height > norm_maxh(core->tvnorm)) 547 return -EINVAL; 548 buf->vb.size = (dev->width * dev->height * dev->fmt->depth) >> 3; 549 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) 550 return -EINVAL; 551 552 if (buf->fmt != dev->fmt || 553 buf->vb.width != dev->width || 554 buf->vb.height != dev->height || 555 buf->vb.field != field) { 556 buf->fmt = dev->fmt; 557 buf->vb.width = dev->width; 558 buf->vb.height = dev->height; 559 buf->vb.field = field; 560 init_buffer = 1; 561 } 562 563 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { 564 init_buffer = 1; 565 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL))) 566 goto fail; 567 } 568 569 if (init_buffer) { 570 buf->bpl = buf->vb.width * buf->fmt->depth >> 3; 571 switch (buf->vb.field) { 572 case V4L2_FIELD_TOP: 573 cx88_risc_buffer(dev->pci, &buf->risc, 574 dma->sglist, 0, UNSET, 575 buf->bpl, 0, buf->vb.height); 576 break; 577 case V4L2_FIELD_BOTTOM: 578 cx88_risc_buffer(dev->pci, &buf->risc, 579 dma->sglist, UNSET, 0, 580 buf->bpl, 0, buf->vb.height); 581 break; 582 case V4L2_FIELD_INTERLACED: 583 cx88_risc_buffer(dev->pci, &buf->risc, 584 dma->sglist, 0, buf->bpl, 585 buf->bpl, buf->bpl, 586 buf->vb.height >> 1); 587 break; 588 case V4L2_FIELD_SEQ_TB: 589 cx88_risc_buffer(dev->pci, &buf->risc, 590 dma->sglist, 591 0, buf->bpl * (buf->vb.height >> 1), 592 buf->bpl, 0, 593 buf->vb.height >> 1); 594 break; 595 case V4L2_FIELD_SEQ_BT: 596 cx88_risc_buffer(dev->pci, &buf->risc, 597 dma->sglist, 598 buf->bpl * (buf->vb.height >> 1), 0, 599 buf->bpl, 0, 600 buf->vb.height >> 1); 601 break; 602 default: 603 BUG(); 604 } 605 } 606 dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", 607 buf, buf->vb.i, 608 dev->width, dev->height, dev->fmt->depth, dev->fmt->name, 609 (unsigned long)buf->risc.dma); 610 611 buf->vb.state = VIDEOBUF_PREPARED; 612 return 0; 613 614 fail: 615 cx88_free_buffer(q,buf); 616 return rc; 617 } 618 619 static void 620 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) 621 { 622 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb); 623 struct cx88_buffer *prev; 624 struct cx8800_fh *fh = vq->priv_data; 625 struct cx8800_dev *dev = fh->dev; 626 struct cx88_core *core = dev->core; 627 struct cx88_dmaqueue *q = &dev->vidq; 628 629 /* add jump to stopper */ 630 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); 631 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); 632 633 if (!list_empty(&q->queued)) { 634 list_add_tail(&buf->vb.queue,&q->queued); 635 buf->vb.state = VIDEOBUF_QUEUED; 636 dprintk(2,"[%p/%d] buffer_queue - append to queued\n", 637 buf, buf->vb.i); 638 639 } else if (list_empty(&q->active)) { 640 list_add_tail(&buf->vb.queue,&q->active); 641 start_video_dma(dev, q, buf); 642 buf->vb.state = VIDEOBUF_ACTIVE; 643 buf->count = q->count++; 644 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); 645 dprintk(2,"[%p/%d] buffer_queue - first active\n", 646 buf, buf->vb.i); 647 648 } else { 649 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue); 650 if (prev->vb.width == buf->vb.width && 651 prev->vb.height == buf->vb.height && 652 prev->fmt == buf->fmt) { 653 list_add_tail(&buf->vb.queue,&q->active); 654 buf->vb.state = VIDEOBUF_ACTIVE; 655 buf->count = q->count++; 656 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); 657 dprintk(2,"[%p/%d] buffer_queue - append to active\n", 658 buf, buf->vb.i); 659 660 } else { 661 list_add_tail(&buf->vb.queue,&q->queued); 662 buf->vb.state = VIDEOBUF_QUEUED; 663 dprintk(2,"[%p/%d] buffer_queue - first queued\n", 664 buf, buf->vb.i); 665 } 666 } 667 } 668 669 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) 670 { 671 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb); 672 673 cx88_free_buffer(q,buf); 674 } 675 676 static const struct videobuf_queue_ops cx8800_video_qops = { 677 .buf_setup = buffer_setup, 678 .buf_prepare = buffer_prepare, 679 .buf_queue = buffer_queue, 680 .buf_release = buffer_release, 681 }; 682 683 /* ------------------------------------------------------------------ */ 684 685 686 /* ------------------------------------------------------------------ */ 687 688 static struct videobuf_queue *get_queue(struct file *file) 689 { 690 struct video_device *vdev = video_devdata(file); 691 struct cx8800_fh *fh = file->private_data; 692 693 switch (vdev->vfl_type) { 694 case VFL_TYPE_GRABBER: 695 return &fh->vidq; 696 case VFL_TYPE_VBI: 697 return &fh->vbiq; 698 default: 699 BUG(); 700 return NULL; 701 } 702 } 703 704 static int get_resource(struct file *file) 705 { 706 struct video_device *vdev = video_devdata(file); 707 708 switch (vdev->vfl_type) { 709 case VFL_TYPE_GRABBER: 710 return RESOURCE_VIDEO; 711 case VFL_TYPE_VBI: 712 return RESOURCE_VBI; 713 default: 714 BUG(); 715 return 0; 716 } 717 } 718 719 static int video_open(struct file *file) 720 { 721 struct video_device *vdev = video_devdata(file); 722 struct cx8800_dev *dev = video_drvdata(file); 723 struct cx88_core *core = dev->core; 724 struct cx8800_fh *fh; 725 enum v4l2_buf_type type = 0; 726 int radio = 0; 727 728 switch (vdev->vfl_type) { 729 case VFL_TYPE_GRABBER: 730 type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 731 break; 732 case VFL_TYPE_VBI: 733 type = V4L2_BUF_TYPE_VBI_CAPTURE; 734 break; 735 case VFL_TYPE_RADIO: 736 radio = 1; 737 break; 738 } 739 740 dprintk(1, "open dev=%s radio=%d type=%s\n", 741 video_device_node_name(vdev), radio, v4l2_type_names[type]); 742 743 /* allocate + initialize per filehandle data */ 744 fh = kzalloc(sizeof(*fh),GFP_KERNEL); 745 if (unlikely(!fh)) 746 return -ENOMEM; 747 748 v4l2_fh_init(&fh->fh, vdev); 749 file->private_data = fh; 750 fh->dev = dev; 751 752 mutex_lock(&core->lock); 753 754 videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops, 755 &dev->pci->dev, &dev->slock, 756 V4L2_BUF_TYPE_VIDEO_CAPTURE, 757 V4L2_FIELD_INTERLACED, 758 sizeof(struct cx88_buffer), 759 fh, NULL); 760 videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops, 761 &dev->pci->dev, &dev->slock, 762 V4L2_BUF_TYPE_VBI_CAPTURE, 763 V4L2_FIELD_SEQ_TB, 764 sizeof(struct cx88_buffer), 765 fh, NULL); 766 767 if (vdev->vfl_type == VFL_TYPE_RADIO) { 768 dprintk(1,"video_open: setting radio device\n"); 769 cx_write(MO_GP3_IO, core->board.radio.gpio3); 770 cx_write(MO_GP0_IO, core->board.radio.gpio0); 771 cx_write(MO_GP1_IO, core->board.radio.gpio1); 772 cx_write(MO_GP2_IO, core->board.radio.gpio2); 773 if (core->board.radio.audioroute) { 774 if(core->board.audio_chip && 775 core->board.audio_chip == V4L2_IDENT_WM8775) { 776 call_all(core, audio, s_routing, 777 core->board.radio.audioroute, 0, 0); 778 } 779 /* "I2S ADC mode" */ 780 core->tvaudio = WW_I2SADC; 781 cx88_set_tvaudio(core); 782 } else { 783 /* FM Mode */ 784 core->tvaudio = WW_FM; 785 cx88_set_tvaudio(core); 786 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1); 787 } 788 call_all(core, tuner, s_radio); 789 } 790 791 core->users++; 792 mutex_unlock(&core->lock); 793 v4l2_fh_add(&fh->fh); 794 795 return 0; 796 } 797 798 static ssize_t 799 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos) 800 { 801 struct video_device *vdev = video_devdata(file); 802 struct cx8800_fh *fh = file->private_data; 803 804 switch (vdev->vfl_type) { 805 case VFL_TYPE_GRABBER: 806 if (res_locked(fh->dev,RESOURCE_VIDEO)) 807 return -EBUSY; 808 return videobuf_read_one(&fh->vidq, data, count, ppos, 809 file->f_flags & O_NONBLOCK); 810 case VFL_TYPE_VBI: 811 if (!res_get(fh->dev,fh,RESOURCE_VBI)) 812 return -EBUSY; 813 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1, 814 file->f_flags & O_NONBLOCK); 815 default: 816 BUG(); 817 return 0; 818 } 819 } 820 821 static unsigned int 822 video_poll(struct file *file, struct poll_table_struct *wait) 823 { 824 struct video_device *vdev = video_devdata(file); 825 struct cx8800_fh *fh = file->private_data; 826 struct cx88_buffer *buf; 827 unsigned int rc = v4l2_ctrl_poll(file, wait); 828 829 if (vdev->vfl_type == VFL_TYPE_VBI) { 830 if (!res_get(fh->dev,fh,RESOURCE_VBI)) 831 return rc | POLLERR; 832 return rc | videobuf_poll_stream(file, &fh->vbiq, wait); 833 } 834 mutex_lock(&fh->vidq.vb_lock); 835 if (res_check(fh,RESOURCE_VIDEO)) { 836 /* streaming capture */ 837 if (list_empty(&fh->vidq.stream)) 838 goto done; 839 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream); 840 } else { 841 /* read() capture */ 842 buf = (struct cx88_buffer*)fh->vidq.read_buf; 843 if (NULL == buf) 844 goto done; 845 } 846 poll_wait(file, &buf->vb.done, wait); 847 if (buf->vb.state == VIDEOBUF_DONE || 848 buf->vb.state == VIDEOBUF_ERROR) 849 rc |= POLLIN|POLLRDNORM; 850 done: 851 mutex_unlock(&fh->vidq.vb_lock); 852 return rc; 853 } 854 855 static int video_release(struct file *file) 856 { 857 struct cx8800_fh *fh = file->private_data; 858 struct cx8800_dev *dev = fh->dev; 859 860 /* turn off overlay */ 861 if (res_check(fh, RESOURCE_OVERLAY)) { 862 /* FIXME */ 863 res_free(dev,fh,RESOURCE_OVERLAY); 864 } 865 866 /* stop video capture */ 867 if (res_check(fh, RESOURCE_VIDEO)) { 868 videobuf_queue_cancel(&fh->vidq); 869 res_free(dev,fh,RESOURCE_VIDEO); 870 } 871 if (fh->vidq.read_buf) { 872 buffer_release(&fh->vidq,fh->vidq.read_buf); 873 kfree(fh->vidq.read_buf); 874 } 875 876 /* stop vbi capture */ 877 if (res_check(fh, RESOURCE_VBI)) { 878 videobuf_stop(&fh->vbiq); 879 res_free(dev,fh,RESOURCE_VBI); 880 } 881 882 videobuf_mmap_free(&fh->vidq); 883 videobuf_mmap_free(&fh->vbiq); 884 885 mutex_lock(&dev->core->lock); 886 v4l2_fh_del(&fh->fh); 887 v4l2_fh_exit(&fh->fh); 888 file->private_data = NULL; 889 kfree(fh); 890 891 dev->core->users--; 892 if (!dev->core->users) 893 call_all(dev->core, core, s_power, 0); 894 mutex_unlock(&dev->core->lock); 895 896 return 0; 897 } 898 899 static int 900 video_mmap(struct file *file, struct vm_area_struct * vma) 901 { 902 return videobuf_mmap_mapper(get_queue(file), vma); 903 } 904 905 /* ------------------------------------------------------------------ */ 906 /* VIDEO CTRL IOCTLS */ 907 908 static int cx8800_s_vid_ctrl(struct v4l2_ctrl *ctrl) 909 { 910 struct cx88_core *core = 911 container_of(ctrl->handler, struct cx88_core, video_hdl); 912 const struct cx88_ctrl *cc = ctrl->priv; 913 u32 value, mask; 914 915 mask = cc->mask; 916 switch (ctrl->id) { 917 case V4L2_CID_SATURATION: 918 /* special v_sat handling */ 919 920 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask; 921 922 if (core->tvnorm & V4L2_STD_SECAM) { 923 /* For SECAM, both U and V sat should be equal */ 924 value = value << 8 | value; 925 } else { 926 /* Keeps U Saturation proportional to V Sat */ 927 value = (value * 0x5a) / 0x7f << 8 | value; 928 } 929 mask = 0xffff; 930 break; 931 case V4L2_CID_SHARPNESS: 932 /* 0b000, 0b100, 0b101, 0b110, or 0b111 */ 933 value = (ctrl->val < 1 ? 0 : ((ctrl->val + 3) << 7)); 934 /* needs to be set for both fields */ 935 cx_andor(MO_FILTER_EVEN, mask, value); 936 break; 937 case V4L2_CID_CHROMA_AGC: 938 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask; 939 break; 940 default: 941 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask; 942 break; 943 } 944 dprintk(1, "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n", 945 ctrl->id, ctrl->name, ctrl->val, cc->reg, value, 946 mask, cc->sreg ? " [shadowed]" : ""); 947 if (cc->sreg) 948 cx_sandor(cc->sreg, cc->reg, mask, value); 949 else 950 cx_andor(cc->reg, mask, value); 951 return 0; 952 } 953 954 static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl) 955 { 956 struct cx88_core *core = 957 container_of(ctrl->handler, struct cx88_core, audio_hdl); 958 const struct cx88_ctrl *cc = ctrl->priv; 959 u32 value,mask; 960 961 /* Pass changes onto any WM8775 */ 962 if (core->board.audio_chip == V4L2_IDENT_WM8775) { 963 switch (ctrl->id) { 964 case V4L2_CID_AUDIO_MUTE: 965 wm8775_s_ctrl(core, ctrl->id, ctrl->val); 966 break; 967 case V4L2_CID_AUDIO_VOLUME: 968 wm8775_s_ctrl(core, ctrl->id, (ctrl->val) ? 969 (0x90 + ctrl->val) << 8 : 0); 970 break; 971 case V4L2_CID_AUDIO_BALANCE: 972 wm8775_s_ctrl(core, ctrl->id, ctrl->val << 9); 973 break; 974 default: 975 break; 976 } 977 } 978 979 mask = cc->mask; 980 switch (ctrl->id) { 981 case V4L2_CID_AUDIO_BALANCE: 982 value = (ctrl->val < 0x40) ? (0x7f - ctrl->val) : (ctrl->val - 0x40); 983 break; 984 case V4L2_CID_AUDIO_VOLUME: 985 value = 0x3f - (ctrl->val & 0x3f); 986 break; 987 default: 988 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask; 989 break; 990 } 991 dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n", 992 ctrl->id, ctrl->name, ctrl->val, cc->reg, value, 993 mask, cc->sreg ? " [shadowed]" : ""); 994 if (cc->sreg) 995 cx_sandor(cc->sreg, cc->reg, mask, value); 996 else 997 cx_andor(cc->reg, mask, value); 998 return 0; 999 } 1000 1001 /* ------------------------------------------------------------------ */ 1002 /* VIDEO IOCTLS */ 1003 1004 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 1005 struct v4l2_format *f) 1006 { 1007 struct cx8800_fh *fh = priv; 1008 struct cx8800_dev *dev = fh->dev; 1009 1010 f->fmt.pix.width = dev->width; 1011 f->fmt.pix.height = dev->height; 1012 f->fmt.pix.field = fh->vidq.field; 1013 f->fmt.pix.pixelformat = dev->fmt->fourcc; 1014 f->fmt.pix.bytesperline = 1015 (f->fmt.pix.width * dev->fmt->depth) >> 3; 1016 f->fmt.pix.sizeimage = 1017 f->fmt.pix.height * f->fmt.pix.bytesperline; 1018 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 1019 return 0; 1020 } 1021 1022 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 1023 struct v4l2_format *f) 1024 { 1025 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; 1026 const struct cx8800_fmt *fmt; 1027 enum v4l2_field field; 1028 unsigned int maxw, maxh; 1029 1030 fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1031 if (NULL == fmt) 1032 return -EINVAL; 1033 1034 field = f->fmt.pix.field; 1035 maxw = norm_maxw(core->tvnorm); 1036 maxh = norm_maxh(core->tvnorm); 1037 1038 if (V4L2_FIELD_ANY == field) { 1039 field = (f->fmt.pix.height > maxh/2) 1040 ? V4L2_FIELD_INTERLACED 1041 : V4L2_FIELD_BOTTOM; 1042 } 1043 1044 switch (field) { 1045 case V4L2_FIELD_TOP: 1046 case V4L2_FIELD_BOTTOM: 1047 maxh = maxh / 2; 1048 break; 1049 case V4L2_FIELD_INTERLACED: 1050 break; 1051 default: 1052 return -EINVAL; 1053 } 1054 1055 f->fmt.pix.field = field; 1056 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2, 1057 &f->fmt.pix.height, 32, maxh, 0, 0); 1058 f->fmt.pix.bytesperline = 1059 (f->fmt.pix.width * fmt->depth) >> 3; 1060 f->fmt.pix.sizeimage = 1061 f->fmt.pix.height * f->fmt.pix.bytesperline; 1062 1063 return 0; 1064 } 1065 1066 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 1067 struct v4l2_format *f) 1068 { 1069 struct cx8800_fh *fh = priv; 1070 struct cx8800_dev *dev = fh->dev; 1071 int err = vidioc_try_fmt_vid_cap (file,priv,f); 1072 1073 if (0 != err) 1074 return err; 1075 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1076 dev->width = f->fmt.pix.width; 1077 dev->height = f->fmt.pix.height; 1078 fh->vidq.field = f->fmt.pix.field; 1079 return 0; 1080 } 1081 1082 void cx88_querycap(struct file *file, struct cx88_core *core, 1083 struct v4l2_capability *cap) 1084 { 1085 struct video_device *vdev = video_devdata(file); 1086 1087 strlcpy(cap->card, core->board.name, sizeof(cap->card)); 1088 cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; 1089 if (UNSET != core->board.tuner_type) 1090 cap->device_caps |= V4L2_CAP_TUNER; 1091 switch (vdev->vfl_type) { 1092 case VFL_TYPE_RADIO: 1093 cap->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER; 1094 break; 1095 case VFL_TYPE_GRABBER: 1096 cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE; 1097 break; 1098 case VFL_TYPE_VBI: 1099 cap->device_caps |= V4L2_CAP_VBI_CAPTURE; 1100 break; 1101 } 1102 cap->capabilities = cap->device_caps | V4L2_CAP_VIDEO_CAPTURE | 1103 V4L2_CAP_VBI_CAPTURE | V4L2_CAP_DEVICE_CAPS; 1104 if (core->board.radio.type == CX88_RADIO) 1105 cap->capabilities |= V4L2_CAP_RADIO; 1106 } 1107 EXPORT_SYMBOL(cx88_querycap); 1108 1109 static int vidioc_querycap(struct file *file, void *priv, 1110 struct v4l2_capability *cap) 1111 { 1112 struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev; 1113 struct cx88_core *core = dev->core; 1114 1115 strcpy(cap->driver, "cx8800"); 1116 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci)); 1117 cx88_querycap(file, core, cap); 1118 return 0; 1119 } 1120 1121 static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv, 1122 struct v4l2_fmtdesc *f) 1123 { 1124 if (unlikely(f->index >= ARRAY_SIZE(formats))) 1125 return -EINVAL; 1126 1127 strlcpy(f->description,formats[f->index].name,sizeof(f->description)); 1128 f->pixelformat = formats[f->index].fourcc; 1129 1130 return 0; 1131 } 1132 1133 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p) 1134 { 1135 return videobuf_reqbufs(get_queue(file), p); 1136 } 1137 1138 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p) 1139 { 1140 return videobuf_querybuf(get_queue(file), p); 1141 } 1142 1143 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p) 1144 { 1145 return videobuf_qbuf(get_queue(file), p); 1146 } 1147 1148 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p) 1149 { 1150 return videobuf_dqbuf(get_queue(file), p, 1151 file->f_flags & O_NONBLOCK); 1152 } 1153 1154 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) 1155 { 1156 struct video_device *vdev = video_devdata(file); 1157 struct cx8800_fh *fh = priv; 1158 struct cx8800_dev *dev = fh->dev; 1159 1160 if ((vdev->vfl_type == VFL_TYPE_GRABBER && i != V4L2_BUF_TYPE_VIDEO_CAPTURE) || 1161 (vdev->vfl_type == VFL_TYPE_VBI && i != V4L2_BUF_TYPE_VBI_CAPTURE)) 1162 return -EINVAL; 1163 1164 if (unlikely(!res_get(dev, fh, get_resource(file)))) 1165 return -EBUSY; 1166 return videobuf_streamon(get_queue(file)); 1167 } 1168 1169 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) 1170 { 1171 struct video_device *vdev = video_devdata(file); 1172 struct cx8800_fh *fh = priv; 1173 struct cx8800_dev *dev = fh->dev; 1174 int err, res; 1175 1176 if ((vdev->vfl_type == VFL_TYPE_GRABBER && i != V4L2_BUF_TYPE_VIDEO_CAPTURE) || 1177 (vdev->vfl_type == VFL_TYPE_VBI && i != V4L2_BUF_TYPE_VBI_CAPTURE)) 1178 return -EINVAL; 1179 1180 res = get_resource(file); 1181 err = videobuf_streamoff(get_queue(file)); 1182 if (err < 0) 1183 return err; 1184 res_free(dev,fh,res); 1185 return 0; 1186 } 1187 1188 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm) 1189 { 1190 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; 1191 1192 *tvnorm = core->tvnorm; 1193 return 0; 1194 } 1195 1196 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms) 1197 { 1198 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; 1199 1200 mutex_lock(&core->lock); 1201 cx88_set_tvnorm(core, tvnorms); 1202 mutex_unlock(&core->lock); 1203 1204 return 0; 1205 } 1206 1207 /* only one input in this sample driver */ 1208 int cx88_enum_input (struct cx88_core *core,struct v4l2_input *i) 1209 { 1210 static const char * const iname[] = { 1211 [ CX88_VMUX_COMPOSITE1 ] = "Composite1", 1212 [ CX88_VMUX_COMPOSITE2 ] = "Composite2", 1213 [ CX88_VMUX_COMPOSITE3 ] = "Composite3", 1214 [ CX88_VMUX_COMPOSITE4 ] = "Composite4", 1215 [ CX88_VMUX_SVIDEO ] = "S-Video", 1216 [ CX88_VMUX_TELEVISION ] = "Television", 1217 [ CX88_VMUX_CABLE ] = "Cable TV", 1218 [ CX88_VMUX_DVB ] = "DVB", 1219 [ CX88_VMUX_DEBUG ] = "for debug only", 1220 }; 1221 unsigned int n = i->index; 1222 1223 if (n >= 4) 1224 return -EINVAL; 1225 if (0 == INPUT(n).type) 1226 return -EINVAL; 1227 i->type = V4L2_INPUT_TYPE_CAMERA; 1228 strcpy(i->name,iname[INPUT(n).type]); 1229 if ((CX88_VMUX_TELEVISION == INPUT(n).type) || 1230 (CX88_VMUX_CABLE == INPUT(n).type)) { 1231 i->type = V4L2_INPUT_TYPE_TUNER; 1232 } 1233 i->std = CX88_NORMS; 1234 return 0; 1235 } 1236 EXPORT_SYMBOL(cx88_enum_input); 1237 1238 static int vidioc_enum_input (struct file *file, void *priv, 1239 struct v4l2_input *i) 1240 { 1241 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; 1242 return cx88_enum_input (core,i); 1243 } 1244 1245 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i) 1246 { 1247 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; 1248 1249 *i = core->input; 1250 return 0; 1251 } 1252 1253 static int vidioc_s_input (struct file *file, void *priv, unsigned int i) 1254 { 1255 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; 1256 1257 if (i >= 4) 1258 return -EINVAL; 1259 if (0 == INPUT(i).type) 1260 return -EINVAL; 1261 1262 mutex_lock(&core->lock); 1263 cx88_newstation(core); 1264 cx88_video_mux(core,i); 1265 mutex_unlock(&core->lock); 1266 return 0; 1267 } 1268 1269 static int vidioc_g_tuner (struct file *file, void *priv, 1270 struct v4l2_tuner *t) 1271 { 1272 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; 1273 u32 reg; 1274 1275 if (unlikely(UNSET == core->board.tuner_type)) 1276 return -EINVAL; 1277 if (0 != t->index) 1278 return -EINVAL; 1279 1280 strcpy(t->name, "Television"); 1281 t->capability = V4L2_TUNER_CAP_NORM; 1282 t->rangehigh = 0xffffffffUL; 1283 call_all(core, tuner, g_tuner, t); 1284 1285 cx88_get_stereo(core ,t); 1286 reg = cx_read(MO_DEVICE_STATUS); 1287 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000; 1288 return 0; 1289 } 1290 1291 static int vidioc_s_tuner (struct file *file, void *priv, 1292 const struct v4l2_tuner *t) 1293 { 1294 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; 1295 1296 if (UNSET == core->board.tuner_type) 1297 return -EINVAL; 1298 if (0 != t->index) 1299 return -EINVAL; 1300 1301 cx88_set_stereo(core, t->audmode, 1); 1302 return 0; 1303 } 1304 1305 static int vidioc_g_frequency (struct file *file, void *priv, 1306 struct v4l2_frequency *f) 1307 { 1308 struct cx8800_fh *fh = priv; 1309 struct cx88_core *core = fh->dev->core; 1310 1311 if (unlikely(UNSET == core->board.tuner_type)) 1312 return -EINVAL; 1313 if (f->tuner) 1314 return -EINVAL; 1315 1316 f->frequency = core->freq; 1317 1318 call_all(core, tuner, g_frequency, f); 1319 1320 return 0; 1321 } 1322 1323 int cx88_set_freq (struct cx88_core *core, 1324 const struct v4l2_frequency *f) 1325 { 1326 struct v4l2_frequency new_freq = *f; 1327 1328 if (unlikely(UNSET == core->board.tuner_type)) 1329 return -EINVAL; 1330 if (unlikely(f->tuner != 0)) 1331 return -EINVAL; 1332 1333 mutex_lock(&core->lock); 1334 cx88_newstation(core); 1335 call_all(core, tuner, s_frequency, f); 1336 call_all(core, tuner, g_frequency, &new_freq); 1337 core->freq = new_freq.frequency; 1338 1339 /* When changing channels it is required to reset TVAUDIO */ 1340 msleep (10); 1341 cx88_set_tvaudio(core); 1342 1343 mutex_unlock(&core->lock); 1344 1345 return 0; 1346 } 1347 EXPORT_SYMBOL(cx88_set_freq); 1348 1349 static int vidioc_s_frequency (struct file *file, void *priv, 1350 const struct v4l2_frequency *f) 1351 { 1352 struct cx8800_fh *fh = priv; 1353 struct cx88_core *core = fh->dev->core; 1354 1355 return cx88_set_freq(core, f); 1356 } 1357 1358 static int vidioc_g_chip_ident(struct file *file, void *priv, 1359 struct v4l2_dbg_chip_ident *chip) 1360 { 1361 if (!v4l2_chip_match_host(&chip->match)) 1362 return -EINVAL; 1363 chip->revision = 0; 1364 chip->ident = V4L2_IDENT_UNKNOWN; 1365 return 0; 1366 } 1367 1368 #ifdef CONFIG_VIDEO_ADV_DEBUG 1369 static int vidioc_g_register (struct file *file, void *fh, 1370 struct v4l2_dbg_register *reg) 1371 { 1372 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core; 1373 1374 if (!v4l2_chip_match_host(®->match)) 1375 return -EINVAL; 1376 /* cx2388x has a 24-bit register space */ 1377 reg->val = cx_read(reg->reg & 0xffffff); 1378 reg->size = 4; 1379 return 0; 1380 } 1381 1382 static int vidioc_s_register (struct file *file, void *fh, 1383 const struct v4l2_dbg_register *reg) 1384 { 1385 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core; 1386 1387 if (!v4l2_chip_match_host(®->match)) 1388 return -EINVAL; 1389 cx_write(reg->reg & 0xffffff, reg->val); 1390 return 0; 1391 } 1392 #endif 1393 1394 /* ----------------------------------------------------------- */ 1395 /* RADIO ESPECIFIC IOCTLS */ 1396 /* ----------------------------------------------------------- */ 1397 1398 static int radio_g_tuner (struct file *file, void *priv, 1399 struct v4l2_tuner *t) 1400 { 1401 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; 1402 1403 if (unlikely(t->index > 0)) 1404 return -EINVAL; 1405 1406 strcpy(t->name, "Radio"); 1407 1408 call_all(core, tuner, g_tuner, t); 1409 return 0; 1410 } 1411 1412 static int radio_s_tuner (struct file *file, void *priv, 1413 const struct v4l2_tuner *t) 1414 { 1415 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core; 1416 1417 if (0 != t->index) 1418 return -EINVAL; 1419 1420 call_all(core, tuner, s_tuner, t); 1421 return 0; 1422 } 1423 1424 /* ----------------------------------------------------------- */ 1425 1426 static void cx8800_vid_timeout(unsigned long data) 1427 { 1428 struct cx8800_dev *dev = (struct cx8800_dev*)data; 1429 struct cx88_core *core = dev->core; 1430 struct cx88_dmaqueue *q = &dev->vidq; 1431 struct cx88_buffer *buf; 1432 unsigned long flags; 1433 1434 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]); 1435 1436 cx_clear(MO_VID_DMACNTRL, 0x11); 1437 cx_clear(VID_CAPTURE_CONTROL, 0x06); 1438 1439 spin_lock_irqsave(&dev->slock,flags); 1440 while (!list_empty(&q->active)) { 1441 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); 1442 list_del(&buf->vb.queue); 1443 buf->vb.state = VIDEOBUF_ERROR; 1444 wake_up(&buf->vb.done); 1445 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name, 1446 buf, buf->vb.i, (unsigned long)buf->risc.dma); 1447 } 1448 restart_video_queue(dev,q); 1449 spin_unlock_irqrestore(&dev->slock,flags); 1450 } 1451 1452 static const char *cx88_vid_irqs[32] = { 1453 "y_risci1", "u_risci1", "v_risci1", "vbi_risc1", 1454 "y_risci2", "u_risci2", "v_risci2", "vbi_risc2", 1455 "y_oflow", "u_oflow", "v_oflow", "vbi_oflow", 1456 "y_sync", "u_sync", "v_sync", "vbi_sync", 1457 "opc_err", "par_err", "rip_err", "pci_abort", 1458 }; 1459 1460 static void cx8800_vid_irq(struct cx8800_dev *dev) 1461 { 1462 struct cx88_core *core = dev->core; 1463 u32 status, mask, count; 1464 1465 status = cx_read(MO_VID_INTSTAT); 1466 mask = cx_read(MO_VID_INTMSK); 1467 if (0 == (status & mask)) 1468 return; 1469 cx_write(MO_VID_INTSTAT, status); 1470 if (irq_debug || (status & mask & ~0xff)) 1471 cx88_print_irqbits(core->name, "irq vid", 1472 cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs), 1473 status, mask); 1474 1475 /* risc op code error */ 1476 if (status & (1 << 16)) { 1477 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name); 1478 cx_clear(MO_VID_DMACNTRL, 0x11); 1479 cx_clear(VID_CAPTURE_CONTROL, 0x06); 1480 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]); 1481 } 1482 1483 /* risc1 y */ 1484 if (status & 0x01) { 1485 spin_lock(&dev->slock); 1486 count = cx_read(MO_VIDY_GPCNT); 1487 cx88_wakeup(core, &dev->vidq, count); 1488 spin_unlock(&dev->slock); 1489 } 1490 1491 /* risc1 vbi */ 1492 if (status & 0x08) { 1493 spin_lock(&dev->slock); 1494 count = cx_read(MO_VBI_GPCNT); 1495 cx88_wakeup(core, &dev->vbiq, count); 1496 spin_unlock(&dev->slock); 1497 } 1498 1499 /* risc2 y */ 1500 if (status & 0x10) { 1501 dprintk(2,"stopper video\n"); 1502 spin_lock(&dev->slock); 1503 restart_video_queue(dev,&dev->vidq); 1504 spin_unlock(&dev->slock); 1505 } 1506 1507 /* risc2 vbi */ 1508 if (status & 0x80) { 1509 dprintk(2,"stopper vbi\n"); 1510 spin_lock(&dev->slock); 1511 cx8800_restart_vbi_queue(dev,&dev->vbiq); 1512 spin_unlock(&dev->slock); 1513 } 1514 } 1515 1516 static irqreturn_t cx8800_irq(int irq, void *dev_id) 1517 { 1518 struct cx8800_dev *dev = dev_id; 1519 struct cx88_core *core = dev->core; 1520 u32 status; 1521 int loop, handled = 0; 1522 1523 for (loop = 0; loop < 10; loop++) { 1524 status = cx_read(MO_PCI_INTSTAT) & 1525 (core->pci_irqmask | PCI_INT_VIDINT); 1526 if (0 == status) 1527 goto out; 1528 cx_write(MO_PCI_INTSTAT, status); 1529 handled = 1; 1530 1531 if (status & core->pci_irqmask) 1532 cx88_core_irq(core,status); 1533 if (status & PCI_INT_VIDINT) 1534 cx8800_vid_irq(dev); 1535 } 1536 if (10 == loop) { 1537 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n", 1538 core->name); 1539 cx_write(MO_PCI_INTMSK,0); 1540 } 1541 1542 out: 1543 return IRQ_RETVAL(handled); 1544 } 1545 1546 /* ----------------------------------------------------------- */ 1547 /* exported stuff */ 1548 1549 static const struct v4l2_file_operations video_fops = 1550 { 1551 .owner = THIS_MODULE, 1552 .open = video_open, 1553 .release = video_release, 1554 .read = video_read, 1555 .poll = video_poll, 1556 .mmap = video_mmap, 1557 .unlocked_ioctl = video_ioctl2, 1558 }; 1559 1560 static const struct v4l2_ioctl_ops video_ioctl_ops = { 1561 .vidioc_querycap = vidioc_querycap, 1562 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 1563 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 1564 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 1565 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 1566 .vidioc_reqbufs = vidioc_reqbufs, 1567 .vidioc_querybuf = vidioc_querybuf, 1568 .vidioc_qbuf = vidioc_qbuf, 1569 .vidioc_dqbuf = vidioc_dqbuf, 1570 .vidioc_g_std = vidioc_g_std, 1571 .vidioc_s_std = vidioc_s_std, 1572 .vidioc_enum_input = vidioc_enum_input, 1573 .vidioc_g_input = vidioc_g_input, 1574 .vidioc_s_input = vidioc_s_input, 1575 .vidioc_streamon = vidioc_streamon, 1576 .vidioc_streamoff = vidioc_streamoff, 1577 .vidioc_g_tuner = vidioc_g_tuner, 1578 .vidioc_s_tuner = vidioc_s_tuner, 1579 .vidioc_g_frequency = vidioc_g_frequency, 1580 .vidioc_s_frequency = vidioc_s_frequency, 1581 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 1582 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1583 .vidioc_g_chip_ident = vidioc_g_chip_ident, 1584 #ifdef CONFIG_VIDEO_ADV_DEBUG 1585 .vidioc_g_register = vidioc_g_register, 1586 .vidioc_s_register = vidioc_s_register, 1587 #endif 1588 }; 1589 1590 static const struct video_device cx8800_video_template = { 1591 .name = "cx8800-video", 1592 .fops = &video_fops, 1593 .ioctl_ops = &video_ioctl_ops, 1594 .tvnorms = CX88_NORMS, 1595 }; 1596 1597 static const struct v4l2_ioctl_ops vbi_ioctl_ops = { 1598 .vidioc_querycap = vidioc_querycap, 1599 .vidioc_g_fmt_vbi_cap = cx8800_vbi_fmt, 1600 .vidioc_try_fmt_vbi_cap = cx8800_vbi_fmt, 1601 .vidioc_s_fmt_vbi_cap = cx8800_vbi_fmt, 1602 .vidioc_reqbufs = vidioc_reqbufs, 1603 .vidioc_querybuf = vidioc_querybuf, 1604 .vidioc_qbuf = vidioc_qbuf, 1605 .vidioc_dqbuf = vidioc_dqbuf, 1606 .vidioc_g_std = vidioc_g_std, 1607 .vidioc_s_std = vidioc_s_std, 1608 .vidioc_enum_input = vidioc_enum_input, 1609 .vidioc_g_input = vidioc_g_input, 1610 .vidioc_s_input = vidioc_s_input, 1611 .vidioc_streamon = vidioc_streamon, 1612 .vidioc_streamoff = vidioc_streamoff, 1613 .vidioc_g_tuner = vidioc_g_tuner, 1614 .vidioc_s_tuner = vidioc_s_tuner, 1615 .vidioc_g_frequency = vidioc_g_frequency, 1616 .vidioc_s_frequency = vidioc_s_frequency, 1617 .vidioc_g_chip_ident = vidioc_g_chip_ident, 1618 #ifdef CONFIG_VIDEO_ADV_DEBUG 1619 .vidioc_g_register = vidioc_g_register, 1620 .vidioc_s_register = vidioc_s_register, 1621 #endif 1622 }; 1623 1624 static const struct video_device cx8800_vbi_template = { 1625 .name = "cx8800-vbi", 1626 .fops = &video_fops, 1627 .ioctl_ops = &vbi_ioctl_ops, 1628 .tvnorms = CX88_NORMS, 1629 }; 1630 1631 static const struct v4l2_file_operations radio_fops = 1632 { 1633 .owner = THIS_MODULE, 1634 .open = video_open, 1635 .poll = v4l2_ctrl_poll, 1636 .release = video_release, 1637 .unlocked_ioctl = video_ioctl2, 1638 }; 1639 1640 static const struct v4l2_ioctl_ops radio_ioctl_ops = { 1641 .vidioc_querycap = vidioc_querycap, 1642 .vidioc_g_tuner = radio_g_tuner, 1643 .vidioc_s_tuner = radio_s_tuner, 1644 .vidioc_g_frequency = vidioc_g_frequency, 1645 .vidioc_s_frequency = vidioc_s_frequency, 1646 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 1647 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1648 .vidioc_g_chip_ident = vidioc_g_chip_ident, 1649 #ifdef CONFIG_VIDEO_ADV_DEBUG 1650 .vidioc_g_register = vidioc_g_register, 1651 .vidioc_s_register = vidioc_s_register, 1652 #endif 1653 }; 1654 1655 static const struct video_device cx8800_radio_template = { 1656 .name = "cx8800-radio", 1657 .fops = &radio_fops, 1658 .ioctl_ops = &radio_ioctl_ops, 1659 }; 1660 1661 static const struct v4l2_ctrl_ops cx8800_ctrl_vid_ops = { 1662 .s_ctrl = cx8800_s_vid_ctrl, 1663 }; 1664 1665 static const struct v4l2_ctrl_ops cx8800_ctrl_aud_ops = { 1666 .s_ctrl = cx8800_s_aud_ctrl, 1667 }; 1668 1669 /* ----------------------------------------------------------- */ 1670 1671 static void cx8800_unregister_video(struct cx8800_dev *dev) 1672 { 1673 if (dev->radio_dev) { 1674 if (video_is_registered(dev->radio_dev)) 1675 video_unregister_device(dev->radio_dev); 1676 else 1677 video_device_release(dev->radio_dev); 1678 dev->radio_dev = NULL; 1679 } 1680 if (dev->vbi_dev) { 1681 if (video_is_registered(dev->vbi_dev)) 1682 video_unregister_device(dev->vbi_dev); 1683 else 1684 video_device_release(dev->vbi_dev); 1685 dev->vbi_dev = NULL; 1686 } 1687 if (dev->video_dev) { 1688 if (video_is_registered(dev->video_dev)) 1689 video_unregister_device(dev->video_dev); 1690 else 1691 video_device_release(dev->video_dev); 1692 dev->video_dev = NULL; 1693 } 1694 } 1695 1696 static int cx8800_initdev(struct pci_dev *pci_dev, 1697 const struct pci_device_id *pci_id) 1698 { 1699 struct cx8800_dev *dev; 1700 struct cx88_core *core; 1701 int err; 1702 int i; 1703 1704 dev = kzalloc(sizeof(*dev),GFP_KERNEL); 1705 if (NULL == dev) 1706 return -ENOMEM; 1707 1708 /* pci init */ 1709 dev->pci = pci_dev; 1710 if (pci_enable_device(pci_dev)) { 1711 err = -EIO; 1712 goto fail_free; 1713 } 1714 core = cx88_core_get(dev->pci); 1715 if (NULL == core) { 1716 err = -EINVAL; 1717 goto fail_free; 1718 } 1719 dev->core = core; 1720 1721 /* print pci info */ 1722 dev->pci_rev = pci_dev->revision; 1723 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat); 1724 printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, " 1725 "latency: %d, mmio: 0x%llx\n", core->name, 1726 pci_name(pci_dev), dev->pci_rev, pci_dev->irq, 1727 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0)); 1728 1729 pci_set_master(pci_dev); 1730 if (!pci_dma_supported(pci_dev,DMA_BIT_MASK(32))) { 1731 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name); 1732 err = -EIO; 1733 goto fail_core; 1734 } 1735 1736 /* initialize driver struct */ 1737 spin_lock_init(&dev->slock); 1738 core->tvnorm = V4L2_STD_NTSC_M; 1739 1740 /* init video dma queues */ 1741 INIT_LIST_HEAD(&dev->vidq.active); 1742 INIT_LIST_HEAD(&dev->vidq.queued); 1743 dev->vidq.timeout.function = cx8800_vid_timeout; 1744 dev->vidq.timeout.data = (unsigned long)dev; 1745 init_timer(&dev->vidq.timeout); 1746 cx88_risc_stopper(dev->pci,&dev->vidq.stopper, 1747 MO_VID_DMACNTRL,0x11,0x00); 1748 1749 /* init vbi dma queues */ 1750 INIT_LIST_HEAD(&dev->vbiq.active); 1751 INIT_LIST_HEAD(&dev->vbiq.queued); 1752 dev->vbiq.timeout.function = cx8800_vbi_timeout; 1753 dev->vbiq.timeout.data = (unsigned long)dev; 1754 init_timer(&dev->vbiq.timeout); 1755 cx88_risc_stopper(dev->pci,&dev->vbiq.stopper, 1756 MO_VID_DMACNTRL,0x88,0x00); 1757 1758 /* get irq */ 1759 err = request_irq(pci_dev->irq, cx8800_irq, 1760 IRQF_SHARED | IRQF_DISABLED, core->name, dev); 1761 if (err < 0) { 1762 printk(KERN_ERR "%s/0: can't get IRQ %d\n", 1763 core->name,pci_dev->irq); 1764 goto fail_core; 1765 } 1766 cx_set(MO_PCI_INTMSK, core->pci_irqmask); 1767 1768 for (i = 0; i < CX8800_AUD_CTLS; i++) { 1769 const struct cx88_ctrl *cc = &cx8800_aud_ctls[i]; 1770 struct v4l2_ctrl *vc; 1771 1772 vc = v4l2_ctrl_new_std(&core->audio_hdl, &cx8800_ctrl_aud_ops, 1773 cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value); 1774 if (vc == NULL) { 1775 err = core->audio_hdl.error; 1776 goto fail_core; 1777 } 1778 vc->priv = (void *)cc; 1779 } 1780 1781 for (i = 0; i < CX8800_VID_CTLS; i++) { 1782 const struct cx88_ctrl *cc = &cx8800_vid_ctls[i]; 1783 struct v4l2_ctrl *vc; 1784 1785 vc = v4l2_ctrl_new_std(&core->video_hdl, &cx8800_ctrl_vid_ops, 1786 cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value); 1787 if (vc == NULL) { 1788 err = core->video_hdl.error; 1789 goto fail_core; 1790 } 1791 vc->priv = (void *)cc; 1792 if (vc->id == V4L2_CID_CHROMA_AGC) 1793 core->chroma_agc = vc; 1794 } 1795 v4l2_ctrl_add_handler(&core->video_hdl, &core->audio_hdl, NULL); 1796 1797 /* load and configure helper modules */ 1798 1799 if (core->board.audio_chip == V4L2_IDENT_WM8775) { 1800 struct i2c_board_info wm8775_info = { 1801 .type = "wm8775", 1802 .addr = 0x36 >> 1, 1803 .platform_data = &core->wm8775_data, 1804 }; 1805 struct v4l2_subdev *sd; 1806 1807 if (core->boardnr == CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1) 1808 core->wm8775_data.is_nova_s = true; 1809 else 1810 core->wm8775_data.is_nova_s = false; 1811 1812 sd = v4l2_i2c_new_subdev_board(&core->v4l2_dev, &core->i2c_adap, 1813 &wm8775_info, NULL); 1814 if (sd != NULL) { 1815 core->sd_wm8775 = sd; 1816 sd->grp_id = WM8775_GID; 1817 } 1818 } 1819 1820 if (core->board.audio_chip == V4L2_IDENT_TVAUDIO) { 1821 /* This probes for a tda9874 as is used on some 1822 Pixelview Ultra boards. */ 1823 v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap, 1824 "tvaudio", 0, I2C_ADDRS(0xb0 >> 1)); 1825 } 1826 1827 switch (core->boardnr) { 1828 case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD: 1829 case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: { 1830 static const struct i2c_board_info rtc_info = { 1831 I2C_BOARD_INFO("isl1208", 0x6f) 1832 }; 1833 1834 request_module("rtc-isl1208"); 1835 core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info); 1836 } 1837 /* break intentionally omitted */ 1838 case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO: 1839 request_module("ir-kbd-i2c"); 1840 } 1841 1842 /* Sets device info at pci_dev */ 1843 pci_set_drvdata(pci_dev, dev); 1844 1845 dev->width = 320; 1846 dev->height = 240; 1847 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); 1848 1849 /* initial device configuration */ 1850 mutex_lock(&core->lock); 1851 cx88_set_tvnorm(core, core->tvnorm); 1852 v4l2_ctrl_handler_setup(&core->video_hdl); 1853 v4l2_ctrl_handler_setup(&core->audio_hdl); 1854 cx88_video_mux(core, 0); 1855 1856 /* register v4l devices */ 1857 dev->video_dev = cx88_vdev_init(core,dev->pci, 1858 &cx8800_video_template,"video"); 1859 video_set_drvdata(dev->video_dev, dev); 1860 dev->video_dev->ctrl_handler = &core->video_hdl; 1861 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER, 1862 video_nr[core->nr]); 1863 if (err < 0) { 1864 printk(KERN_ERR "%s/0: can't register video device\n", 1865 core->name); 1866 goto fail_unreg; 1867 } 1868 printk(KERN_INFO "%s/0: registered device %s [v4l2]\n", 1869 core->name, video_device_node_name(dev->video_dev)); 1870 1871 dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi"); 1872 video_set_drvdata(dev->vbi_dev, dev); 1873 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI, 1874 vbi_nr[core->nr]); 1875 if (err < 0) { 1876 printk(KERN_ERR "%s/0: can't register vbi device\n", 1877 core->name); 1878 goto fail_unreg; 1879 } 1880 printk(KERN_INFO "%s/0: registered device %s\n", 1881 core->name, video_device_node_name(dev->vbi_dev)); 1882 1883 if (core->board.radio.type == CX88_RADIO) { 1884 dev->radio_dev = cx88_vdev_init(core,dev->pci, 1885 &cx8800_radio_template,"radio"); 1886 video_set_drvdata(dev->radio_dev, dev); 1887 dev->radio_dev->ctrl_handler = &core->audio_hdl; 1888 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO, 1889 radio_nr[core->nr]); 1890 if (err < 0) { 1891 printk(KERN_ERR "%s/0: can't register radio device\n", 1892 core->name); 1893 goto fail_unreg; 1894 } 1895 printk(KERN_INFO "%s/0: registered device %s\n", 1896 core->name, video_device_node_name(dev->radio_dev)); 1897 } 1898 1899 /* start tvaudio thread */ 1900 if (core->board.tuner_type != TUNER_ABSENT) { 1901 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio"); 1902 if (IS_ERR(core->kthread)) { 1903 err = PTR_ERR(core->kthread); 1904 printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n", 1905 core->name, err); 1906 } 1907 } 1908 mutex_unlock(&core->lock); 1909 1910 return 0; 1911 1912 fail_unreg: 1913 cx8800_unregister_video(dev); 1914 free_irq(pci_dev->irq, dev); 1915 mutex_unlock(&core->lock); 1916 fail_core: 1917 cx88_core_put(core,dev->pci); 1918 fail_free: 1919 kfree(dev); 1920 return err; 1921 } 1922 1923 static void cx8800_finidev(struct pci_dev *pci_dev) 1924 { 1925 struct cx8800_dev *dev = pci_get_drvdata(pci_dev); 1926 struct cx88_core *core = dev->core; 1927 1928 /* stop thread */ 1929 if (core->kthread) { 1930 kthread_stop(core->kthread); 1931 core->kthread = NULL; 1932 } 1933 1934 if (core->ir) 1935 cx88_ir_stop(core); 1936 1937 cx88_shutdown(core); /* FIXME */ 1938 pci_disable_device(pci_dev); 1939 1940 /* unregister stuff */ 1941 1942 free_irq(pci_dev->irq, dev); 1943 cx8800_unregister_video(dev); 1944 pci_set_drvdata(pci_dev, NULL); 1945 1946 /* free memory */ 1947 btcx_riscmem_free(dev->pci,&dev->vidq.stopper); 1948 cx88_core_put(core,dev->pci); 1949 kfree(dev); 1950 } 1951 1952 #ifdef CONFIG_PM 1953 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state) 1954 { 1955 struct cx8800_dev *dev = pci_get_drvdata(pci_dev); 1956 struct cx88_core *core = dev->core; 1957 unsigned long flags; 1958 1959 /* stop video+vbi capture */ 1960 spin_lock_irqsave(&dev->slock, flags); 1961 if (!list_empty(&dev->vidq.active)) { 1962 printk("%s/0: suspend video\n", core->name); 1963 stop_video_dma(dev); 1964 del_timer(&dev->vidq.timeout); 1965 } 1966 if (!list_empty(&dev->vbiq.active)) { 1967 printk("%s/0: suspend vbi\n", core->name); 1968 cx8800_stop_vbi_dma(dev); 1969 del_timer(&dev->vbiq.timeout); 1970 } 1971 spin_unlock_irqrestore(&dev->slock, flags); 1972 1973 if (core->ir) 1974 cx88_ir_stop(core); 1975 /* FIXME -- shutdown device */ 1976 cx88_shutdown(core); 1977 1978 pci_save_state(pci_dev); 1979 if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) { 1980 pci_disable_device(pci_dev); 1981 dev->state.disabled = 1; 1982 } 1983 return 0; 1984 } 1985 1986 static int cx8800_resume(struct pci_dev *pci_dev) 1987 { 1988 struct cx8800_dev *dev = pci_get_drvdata(pci_dev); 1989 struct cx88_core *core = dev->core; 1990 unsigned long flags; 1991 int err; 1992 1993 if (dev->state.disabled) { 1994 err=pci_enable_device(pci_dev); 1995 if (err) { 1996 printk(KERN_ERR "%s/0: can't enable device\n", 1997 core->name); 1998 return err; 1999 } 2000 2001 dev->state.disabled = 0; 2002 } 2003 err= pci_set_power_state(pci_dev, PCI_D0); 2004 if (err) { 2005 printk(KERN_ERR "%s/0: can't set power state\n", core->name); 2006 pci_disable_device(pci_dev); 2007 dev->state.disabled = 1; 2008 2009 return err; 2010 } 2011 pci_restore_state(pci_dev); 2012 2013 /* FIXME: re-initialize hardware */ 2014 cx88_reset(core); 2015 if (core->ir) 2016 cx88_ir_start(core); 2017 2018 cx_set(MO_PCI_INTMSK, core->pci_irqmask); 2019 2020 /* restart video+vbi capture */ 2021 spin_lock_irqsave(&dev->slock, flags); 2022 if (!list_empty(&dev->vidq.active)) { 2023 printk("%s/0: resume video\n", core->name); 2024 restart_video_queue(dev,&dev->vidq); 2025 } 2026 if (!list_empty(&dev->vbiq.active)) { 2027 printk("%s/0: resume vbi\n", core->name); 2028 cx8800_restart_vbi_queue(dev,&dev->vbiq); 2029 } 2030 spin_unlock_irqrestore(&dev->slock, flags); 2031 2032 return 0; 2033 } 2034 #endif 2035 2036 /* ----------------------------------------------------------- */ 2037 2038 static const struct pci_device_id cx8800_pci_tbl[] = { 2039 { 2040 .vendor = 0x14f1, 2041 .device = 0x8800, 2042 .subvendor = PCI_ANY_ID, 2043 .subdevice = PCI_ANY_ID, 2044 },{ 2045 /* --- end of list --- */ 2046 } 2047 }; 2048 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl); 2049 2050 static struct pci_driver cx8800_pci_driver = { 2051 .name = "cx8800", 2052 .id_table = cx8800_pci_tbl, 2053 .probe = cx8800_initdev, 2054 .remove = cx8800_finidev, 2055 #ifdef CONFIG_PM 2056 .suspend = cx8800_suspend, 2057 .resume = cx8800_resume, 2058 #endif 2059 }; 2060 2061 static int __init cx8800_init(void) 2062 { 2063 printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %s loaded\n", 2064 CX88_VERSION); 2065 return pci_register_driver(&cx8800_pci_driver); 2066 } 2067 2068 static void __exit cx8800_fini(void) 2069 { 2070 pci_unregister_driver(&cx8800_pci_driver); 2071 } 2072 2073 module_init(cx8800_init); 2074 module_exit(cx8800_fini); 2075