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/i2c/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 #define dprintk(level,fmt, arg...) if (video_debug >= level) \ 74 printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg) 75 76 /* ------------------------------------------------------------------- */ 77 /* static data */ 78 79 static const struct cx8800_fmt formats[] = { 80 { 81 .name = "8 bpp, gray", 82 .fourcc = V4L2_PIX_FMT_GREY, 83 .cxformat = ColorFormatY8, 84 .depth = 8, 85 .flags = FORMAT_FLAGS_PACKED, 86 },{ 87 .name = "15 bpp RGB, le", 88 .fourcc = V4L2_PIX_FMT_RGB555, 89 .cxformat = ColorFormatRGB15, 90 .depth = 16, 91 .flags = FORMAT_FLAGS_PACKED, 92 },{ 93 .name = "15 bpp RGB, be", 94 .fourcc = V4L2_PIX_FMT_RGB555X, 95 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP, 96 .depth = 16, 97 .flags = FORMAT_FLAGS_PACKED, 98 },{ 99 .name = "16 bpp RGB, le", 100 .fourcc = V4L2_PIX_FMT_RGB565, 101 .cxformat = ColorFormatRGB16, 102 .depth = 16, 103 .flags = FORMAT_FLAGS_PACKED, 104 },{ 105 .name = "16 bpp RGB, be", 106 .fourcc = V4L2_PIX_FMT_RGB565X, 107 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP, 108 .depth = 16, 109 .flags = FORMAT_FLAGS_PACKED, 110 },{ 111 .name = "24 bpp RGB, le", 112 .fourcc = V4L2_PIX_FMT_BGR24, 113 .cxformat = ColorFormatRGB24, 114 .depth = 24, 115 .flags = FORMAT_FLAGS_PACKED, 116 },{ 117 .name = "32 bpp RGB, le", 118 .fourcc = V4L2_PIX_FMT_BGR32, 119 .cxformat = ColorFormatRGB32, 120 .depth = 32, 121 .flags = FORMAT_FLAGS_PACKED, 122 },{ 123 .name = "32 bpp RGB, be", 124 .fourcc = V4L2_PIX_FMT_RGB32, 125 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP, 126 .depth = 32, 127 .flags = FORMAT_FLAGS_PACKED, 128 },{ 129 .name = "4:2:2, packed, YUYV", 130 .fourcc = V4L2_PIX_FMT_YUYV, 131 .cxformat = ColorFormatYUY2, 132 .depth = 16, 133 .flags = FORMAT_FLAGS_PACKED, 134 },{ 135 .name = "4:2:2, packed, UYVY", 136 .fourcc = V4L2_PIX_FMT_UYVY, 137 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP, 138 .depth = 16, 139 .flags = FORMAT_FLAGS_PACKED, 140 }, 141 }; 142 143 static const struct cx8800_fmt* format_by_fourcc(unsigned int fourcc) 144 { 145 unsigned int i; 146 147 for (i = 0; i < ARRAY_SIZE(formats); i++) 148 if (formats[i].fourcc == fourcc) 149 return formats+i; 150 return NULL; 151 } 152 153 /* ------------------------------------------------------------------- */ 154 155 struct cx88_ctrl { 156 /* control information */ 157 u32 id; 158 s32 minimum; 159 s32 maximum; 160 u32 step; 161 s32 default_value; 162 163 /* control register information */ 164 u32 off; 165 u32 reg; 166 u32 sreg; 167 u32 mask; 168 u32 shift; 169 }; 170 171 static const struct cx88_ctrl cx8800_vid_ctls[] = { 172 /* --- video --- */ 173 { 174 .id = V4L2_CID_BRIGHTNESS, 175 .minimum = 0x00, 176 .maximum = 0xff, 177 .step = 1, 178 .default_value = 0x7f, 179 .off = 128, 180 .reg = MO_CONTR_BRIGHT, 181 .mask = 0x00ff, 182 .shift = 0, 183 },{ 184 .id = V4L2_CID_CONTRAST, 185 .minimum = 0, 186 .maximum = 0xff, 187 .step = 1, 188 .default_value = 0x3f, 189 .off = 0, 190 .reg = MO_CONTR_BRIGHT, 191 .mask = 0xff00, 192 .shift = 8, 193 },{ 194 .id = V4L2_CID_HUE, 195 .minimum = 0, 196 .maximum = 0xff, 197 .step = 1, 198 .default_value = 0x7f, 199 .off = 128, 200 .reg = MO_HUE, 201 .mask = 0x00ff, 202 .shift = 0, 203 },{ 204 /* strictly, this only describes only U saturation. 205 * V saturation is handled specially through code. 206 */ 207 .id = V4L2_CID_SATURATION, 208 .minimum = 0, 209 .maximum = 0xff, 210 .step = 1, 211 .default_value = 0x7f, 212 .off = 0, 213 .reg = MO_UV_SATURATION, 214 .mask = 0x00ff, 215 .shift = 0, 216 }, { 217 .id = V4L2_CID_SHARPNESS, 218 .minimum = 0, 219 .maximum = 4, 220 .step = 1, 221 .default_value = 0x0, 222 .off = 0, 223 /* NOTE: the value is converted and written to both even 224 and odd registers in the code */ 225 .reg = MO_FILTER_ODD, 226 .mask = 7 << 7, 227 .shift = 7, 228 }, { 229 .id = V4L2_CID_CHROMA_AGC, 230 .minimum = 0, 231 .maximum = 1, 232 .default_value = 0x1, 233 .reg = MO_INPUT_FORMAT, 234 .mask = 1 << 10, 235 .shift = 10, 236 }, { 237 .id = V4L2_CID_COLOR_KILLER, 238 .minimum = 0, 239 .maximum = 1, 240 .default_value = 0x1, 241 .reg = MO_INPUT_FORMAT, 242 .mask = 1 << 9, 243 .shift = 9, 244 }, { 245 .id = V4L2_CID_BAND_STOP_FILTER, 246 .minimum = 0, 247 .maximum = 1, 248 .step = 1, 249 .default_value = 0x0, 250 .off = 0, 251 .reg = MO_HTOTAL, 252 .mask = 3 << 11, 253 .shift = 11, 254 } 255 }; 256 257 static const struct cx88_ctrl cx8800_aud_ctls[] = { 258 { 259 /* --- audio --- */ 260 .id = V4L2_CID_AUDIO_MUTE, 261 .minimum = 0, 262 .maximum = 1, 263 .default_value = 1, 264 .reg = AUD_VOL_CTL, 265 .sreg = SHADOW_AUD_VOL_CTL, 266 .mask = (1 << 6), 267 .shift = 6, 268 },{ 269 .id = V4L2_CID_AUDIO_VOLUME, 270 .minimum = 0, 271 .maximum = 0x3f, 272 .step = 1, 273 .default_value = 0x3f, 274 .reg = AUD_VOL_CTL, 275 .sreg = SHADOW_AUD_VOL_CTL, 276 .mask = 0x3f, 277 .shift = 0, 278 },{ 279 .id = V4L2_CID_AUDIO_BALANCE, 280 .minimum = 0, 281 .maximum = 0x7f, 282 .step = 1, 283 .default_value = 0x40, 284 .reg = AUD_BAL_CTL, 285 .sreg = SHADOW_AUD_BAL_CTL, 286 .mask = 0x7f, 287 .shift = 0, 288 } 289 }; 290 291 enum { 292 CX8800_VID_CTLS = ARRAY_SIZE(cx8800_vid_ctls), 293 CX8800_AUD_CTLS = ARRAY_SIZE(cx8800_aud_ctls), 294 }; 295 296 /* ------------------------------------------------------------------ */ 297 298 int cx88_video_mux(struct cx88_core *core, unsigned int input) 299 { 300 /* struct cx88_core *core = dev->core; */ 301 302 dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n", 303 input, INPUT(input).vmux, 304 INPUT(input).gpio0,INPUT(input).gpio1, 305 INPUT(input).gpio2,INPUT(input).gpio3); 306 core->input = input; 307 cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14); 308 cx_write(MO_GP3_IO, INPUT(input).gpio3); 309 cx_write(MO_GP0_IO, INPUT(input).gpio0); 310 cx_write(MO_GP1_IO, INPUT(input).gpio1); 311 cx_write(MO_GP2_IO, INPUT(input).gpio2); 312 313 switch (INPUT(input).type) { 314 case CX88_VMUX_SVIDEO: 315 cx_set(MO_AFECFG_IO, 0x00000001); 316 cx_set(MO_INPUT_FORMAT, 0x00010010); 317 cx_set(MO_FILTER_EVEN, 0x00002020); 318 cx_set(MO_FILTER_ODD, 0x00002020); 319 break; 320 default: 321 cx_clear(MO_AFECFG_IO, 0x00000001); 322 cx_clear(MO_INPUT_FORMAT, 0x00010010); 323 cx_clear(MO_FILTER_EVEN, 0x00002020); 324 cx_clear(MO_FILTER_ODD, 0x00002020); 325 break; 326 } 327 328 /* if there are audioroutes defined, we have an external 329 ADC to deal with audio */ 330 if (INPUT(input).audioroute) { 331 /* The wm8775 module has the "2" route hardwired into 332 the initialization. Some boards may use different 333 routes for different inputs. HVR-1300 surely does */ 334 if (core->sd_wm8775) { 335 call_all(core, audio, s_routing, 336 INPUT(input).audioroute, 0, 0); 337 } 338 /* cx2388's C-ADC is connected to the tuner only. 339 When used with S-Video, that ADC is busy dealing with 340 chroma, so an external must be used for baseband audio */ 341 if (INPUT(input).type != CX88_VMUX_TELEVISION && 342 INPUT(input).type != CX88_VMUX_CABLE) { 343 /* "I2S ADC mode" */ 344 core->tvaudio = WW_I2SADC; 345 cx88_set_tvaudio(core); 346 } else { 347 /* Normal mode */ 348 cx_write(AUD_I2SCNTL, 0x0); 349 cx_clear(AUD_CTL, EN_I2SIN_ENABLE); 350 } 351 } 352 353 return 0; 354 } 355 EXPORT_SYMBOL(cx88_video_mux); 356 357 /* ------------------------------------------------------------------ */ 358 359 static int start_video_dma(struct cx8800_dev *dev, 360 struct cx88_dmaqueue *q, 361 struct cx88_buffer *buf) 362 { 363 struct cx88_core *core = dev->core; 364 365 /* setup fifo + format */ 366 cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21], 367 buf->bpl, buf->risc.dma); 368 cx88_set_scale(core, core->width, core->height, core->field); 369 cx_write(MO_COLOR_CTRL, dev->fmt->cxformat | ColorFormatGamma); 370 371 /* reset counter */ 372 cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET); 373 q->count = 0; 374 375 /* enable irqs */ 376 cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT); 377 378 /* Enables corresponding bits at PCI_INT_STAT: 379 bits 0 to 4: video, audio, transport stream, VIP, Host 380 bit 7: timer 381 bits 8 and 9: DMA complete for: SRC, DST 382 bits 10 and 11: BERR signal asserted for RISC: RD, WR 383 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB 384 */ 385 cx_set(MO_VID_INTMSK, 0x0f0011); 386 387 /* enable capture */ 388 cx_set(VID_CAPTURE_CONTROL,0x06); 389 390 /* start dma */ 391 cx_set(MO_DEV_CNTRL2, (1<<5)); 392 cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */ 393 394 return 0; 395 } 396 397 #ifdef CONFIG_PM 398 static int stop_video_dma(struct cx8800_dev *dev) 399 { 400 struct cx88_core *core = dev->core; 401 402 /* stop dma */ 403 cx_clear(MO_VID_DMACNTRL, 0x11); 404 405 /* disable capture */ 406 cx_clear(VID_CAPTURE_CONTROL,0x06); 407 408 /* disable irqs */ 409 cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT); 410 cx_clear(MO_VID_INTMSK, 0x0f0011); 411 return 0; 412 } 413 414 static int restart_video_queue(struct cx8800_dev *dev, 415 struct cx88_dmaqueue *q) 416 { 417 struct cx88_core *core = dev->core; 418 struct cx88_buffer *buf; 419 420 if (!list_empty(&q->active)) { 421 buf = list_entry(q->active.next, struct cx88_buffer, list); 422 dprintk(2,"restart_queue [%p/%d]: restart dma\n", 423 buf, buf->vb.vb2_buf.index); 424 start_video_dma(dev, q, buf); 425 } 426 return 0; 427 } 428 #endif 429 430 /* ------------------------------------------------------------------ */ 431 432 static int queue_setup(struct vb2_queue *q, 433 unsigned int *num_buffers, unsigned int *num_planes, 434 unsigned int sizes[], struct device *alloc_devs[]) 435 { 436 struct cx8800_dev *dev = q->drv_priv; 437 struct cx88_core *core = dev->core; 438 439 *num_planes = 1; 440 sizes[0] = (dev->fmt->depth * core->width * core->height) >> 3; 441 return 0; 442 } 443 444 static int buffer_prepare(struct vb2_buffer *vb) 445 { 446 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 447 struct cx8800_dev *dev = vb->vb2_queue->drv_priv; 448 struct cx88_core *core = dev->core; 449 struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb); 450 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0); 451 452 buf->bpl = core->width * dev->fmt->depth >> 3; 453 454 if (vb2_plane_size(vb, 0) < core->height * buf->bpl) 455 return -EINVAL; 456 vb2_set_plane_payload(vb, 0, core->height * buf->bpl); 457 458 switch (core->field) { 459 case V4L2_FIELD_TOP: 460 cx88_risc_buffer(dev->pci, &buf->risc, 461 sgt->sgl, 0, UNSET, 462 buf->bpl, 0, core->height); 463 break; 464 case V4L2_FIELD_BOTTOM: 465 cx88_risc_buffer(dev->pci, &buf->risc, 466 sgt->sgl, UNSET, 0, 467 buf->bpl, 0, core->height); 468 break; 469 case V4L2_FIELD_SEQ_TB: 470 cx88_risc_buffer(dev->pci, &buf->risc, 471 sgt->sgl, 472 0, buf->bpl * (core->height >> 1), 473 buf->bpl, 0, 474 core->height >> 1); 475 break; 476 case V4L2_FIELD_SEQ_BT: 477 cx88_risc_buffer(dev->pci, &buf->risc, 478 sgt->sgl, 479 buf->bpl * (core->height >> 1), 0, 480 buf->bpl, 0, 481 core->height >> 1); 482 break; 483 case V4L2_FIELD_INTERLACED: 484 default: 485 cx88_risc_buffer(dev->pci, &buf->risc, 486 sgt->sgl, 0, buf->bpl, 487 buf->bpl, buf->bpl, 488 core->height >> 1); 489 break; 490 } 491 dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", 492 buf, buf->vb.vb2_buf.index, 493 core->width, core->height, dev->fmt->depth, dev->fmt->name, 494 (unsigned long)buf->risc.dma); 495 return 0; 496 } 497 498 static void buffer_finish(struct vb2_buffer *vb) 499 { 500 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 501 struct cx8800_dev *dev = vb->vb2_queue->drv_priv; 502 struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb); 503 struct cx88_riscmem *risc = &buf->risc; 504 505 if (risc->cpu) 506 pci_free_consistent(dev->pci, risc->size, risc->cpu, risc->dma); 507 memset(risc, 0, sizeof(*risc)); 508 } 509 510 static void buffer_queue(struct vb2_buffer *vb) 511 { 512 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 513 struct cx8800_dev *dev = vb->vb2_queue->drv_priv; 514 struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb); 515 struct cx88_buffer *prev; 516 struct cx88_core *core = dev->core; 517 struct cx88_dmaqueue *q = &dev->vidq; 518 519 /* add jump to start */ 520 buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 8); 521 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC); 522 buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 8); 523 524 if (list_empty(&q->active)) { 525 list_add_tail(&buf->list, &q->active); 526 dprintk(2,"[%p/%d] buffer_queue - first active\n", 527 buf, buf->vb.vb2_buf.index); 528 529 } else { 530 buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1); 531 prev = list_entry(q->active.prev, struct cx88_buffer, list); 532 list_add_tail(&buf->list, &q->active); 533 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); 534 dprintk(2, "[%p/%d] buffer_queue - append to active\n", 535 buf, buf->vb.vb2_buf.index); 536 } 537 } 538 539 static int start_streaming(struct vb2_queue *q, unsigned int count) 540 { 541 struct cx8800_dev *dev = q->drv_priv; 542 struct cx88_dmaqueue *dmaq = &dev->vidq; 543 struct cx88_buffer *buf = list_entry(dmaq->active.next, 544 struct cx88_buffer, list); 545 546 start_video_dma(dev, dmaq, buf); 547 return 0; 548 } 549 550 static void stop_streaming(struct vb2_queue *q) 551 { 552 struct cx8800_dev *dev = q->drv_priv; 553 struct cx88_core *core = dev->core; 554 struct cx88_dmaqueue *dmaq = &dev->vidq; 555 unsigned long flags; 556 557 cx_clear(MO_VID_DMACNTRL, 0x11); 558 cx_clear(VID_CAPTURE_CONTROL, 0x06); 559 spin_lock_irqsave(&dev->slock, flags); 560 while (!list_empty(&dmaq->active)) { 561 struct cx88_buffer *buf = list_entry(dmaq->active.next, 562 struct cx88_buffer, list); 563 564 list_del(&buf->list); 565 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); 566 } 567 spin_unlock_irqrestore(&dev->slock, flags); 568 } 569 570 static struct vb2_ops cx8800_video_qops = { 571 .queue_setup = queue_setup, 572 .buf_prepare = buffer_prepare, 573 .buf_finish = buffer_finish, 574 .buf_queue = buffer_queue, 575 .wait_prepare = vb2_ops_wait_prepare, 576 .wait_finish = vb2_ops_wait_finish, 577 .start_streaming = start_streaming, 578 .stop_streaming = stop_streaming, 579 }; 580 581 /* ------------------------------------------------------------------ */ 582 583 static int radio_open(struct file *file) 584 { 585 struct cx8800_dev *dev = video_drvdata(file); 586 struct cx88_core *core = dev->core; 587 int ret = v4l2_fh_open(file); 588 589 if (ret) 590 return ret; 591 592 cx_write(MO_GP3_IO, core->board.radio.gpio3); 593 cx_write(MO_GP0_IO, core->board.radio.gpio0); 594 cx_write(MO_GP1_IO, core->board.radio.gpio1); 595 cx_write(MO_GP2_IO, core->board.radio.gpio2); 596 if (core->board.radio.audioroute) { 597 if (core->sd_wm8775) { 598 call_all(core, audio, s_routing, 599 core->board.radio.audioroute, 0, 0); 600 } 601 /* "I2S ADC mode" */ 602 core->tvaudio = WW_I2SADC; 603 cx88_set_tvaudio(core); 604 } else { 605 /* FM Mode */ 606 core->tvaudio = WW_FM; 607 cx88_set_tvaudio(core); 608 cx88_set_stereo(core, V4L2_TUNER_MODE_STEREO, 1); 609 } 610 call_all(core, tuner, s_radio); 611 return 0; 612 } 613 614 /* ------------------------------------------------------------------ */ 615 /* VIDEO CTRL IOCTLS */ 616 617 static int cx8800_s_vid_ctrl(struct v4l2_ctrl *ctrl) 618 { 619 struct cx88_core *core = 620 container_of(ctrl->handler, struct cx88_core, video_hdl); 621 const struct cx88_ctrl *cc = ctrl->priv; 622 u32 value, mask; 623 624 mask = cc->mask; 625 switch (ctrl->id) { 626 case V4L2_CID_SATURATION: 627 /* special v_sat handling */ 628 629 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask; 630 631 if (core->tvnorm & V4L2_STD_SECAM) { 632 /* For SECAM, both U and V sat should be equal */ 633 value = value << 8 | value; 634 } else { 635 /* Keeps U Saturation proportional to V Sat */ 636 value = (value * 0x5a) / 0x7f << 8 | value; 637 } 638 mask = 0xffff; 639 break; 640 case V4L2_CID_SHARPNESS: 641 /* 0b000, 0b100, 0b101, 0b110, or 0b111 */ 642 value = (ctrl->val < 1 ? 0 : ((ctrl->val + 3) << 7)); 643 /* needs to be set for both fields */ 644 cx_andor(MO_FILTER_EVEN, mask, value); 645 break; 646 case V4L2_CID_CHROMA_AGC: 647 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask; 648 break; 649 default: 650 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask; 651 break; 652 } 653 dprintk(1, "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n", 654 ctrl->id, ctrl->name, ctrl->val, cc->reg, value, 655 mask, cc->sreg ? " [shadowed]" : ""); 656 if (cc->sreg) 657 cx_sandor(cc->sreg, cc->reg, mask, value); 658 else 659 cx_andor(cc->reg, mask, value); 660 return 0; 661 } 662 663 static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl) 664 { 665 struct cx88_core *core = 666 container_of(ctrl->handler, struct cx88_core, audio_hdl); 667 const struct cx88_ctrl *cc = ctrl->priv; 668 u32 value,mask; 669 670 /* Pass changes onto any WM8775 */ 671 if (core->sd_wm8775) { 672 switch (ctrl->id) { 673 case V4L2_CID_AUDIO_MUTE: 674 wm8775_s_ctrl(core, ctrl->id, ctrl->val); 675 break; 676 case V4L2_CID_AUDIO_VOLUME: 677 wm8775_s_ctrl(core, ctrl->id, (ctrl->val) ? 678 (0x90 + ctrl->val) << 8 : 0); 679 break; 680 case V4L2_CID_AUDIO_BALANCE: 681 wm8775_s_ctrl(core, ctrl->id, ctrl->val << 9); 682 break; 683 default: 684 break; 685 } 686 } 687 688 mask = cc->mask; 689 switch (ctrl->id) { 690 case V4L2_CID_AUDIO_BALANCE: 691 value = (ctrl->val < 0x40) ? (0x7f - ctrl->val) : (ctrl->val - 0x40); 692 break; 693 case V4L2_CID_AUDIO_VOLUME: 694 value = 0x3f - (ctrl->val & 0x3f); 695 break; 696 default: 697 value = ((ctrl->val - cc->off) << cc->shift) & cc->mask; 698 break; 699 } 700 dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n", 701 ctrl->id, ctrl->name, ctrl->val, cc->reg, value, 702 mask, cc->sreg ? " [shadowed]" : ""); 703 if (cc->sreg) 704 cx_sandor(cc->sreg, cc->reg, mask, value); 705 else 706 cx_andor(cc->reg, mask, value); 707 return 0; 708 } 709 710 /* ------------------------------------------------------------------ */ 711 /* VIDEO IOCTLS */ 712 713 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 714 struct v4l2_format *f) 715 { 716 struct cx8800_dev *dev = video_drvdata(file); 717 struct cx88_core *core = dev->core; 718 719 f->fmt.pix.width = core->width; 720 f->fmt.pix.height = core->height; 721 f->fmt.pix.field = core->field; 722 f->fmt.pix.pixelformat = dev->fmt->fourcc; 723 f->fmt.pix.bytesperline = 724 (f->fmt.pix.width * dev->fmt->depth) >> 3; 725 f->fmt.pix.sizeimage = 726 f->fmt.pix.height * f->fmt.pix.bytesperline; 727 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 728 return 0; 729 } 730 731 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 732 struct v4l2_format *f) 733 { 734 struct cx8800_dev *dev = video_drvdata(file); 735 struct cx88_core *core = dev->core; 736 const struct cx8800_fmt *fmt; 737 enum v4l2_field field; 738 unsigned int maxw, maxh; 739 740 fmt = format_by_fourcc(f->fmt.pix.pixelformat); 741 if (NULL == fmt) 742 return -EINVAL; 743 744 maxw = norm_maxw(core->tvnorm); 745 maxh = norm_maxh(core->tvnorm); 746 747 field = f->fmt.pix.field; 748 749 switch (field) { 750 case V4L2_FIELD_TOP: 751 case V4L2_FIELD_BOTTOM: 752 case V4L2_FIELD_INTERLACED: 753 case V4L2_FIELD_SEQ_BT: 754 case V4L2_FIELD_SEQ_TB: 755 break; 756 default: 757 field = (f->fmt.pix.height > maxh / 2) 758 ? V4L2_FIELD_INTERLACED 759 : V4L2_FIELD_BOTTOM; 760 break; 761 } 762 if (V4L2_FIELD_HAS_T_OR_B(field)) 763 maxh /= 2; 764 765 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2, 766 &f->fmt.pix.height, 32, maxh, 0, 0); 767 f->fmt.pix.field = field; 768 f->fmt.pix.bytesperline = 769 (f->fmt.pix.width * fmt->depth) >> 3; 770 f->fmt.pix.sizeimage = 771 f->fmt.pix.height * f->fmt.pix.bytesperline; 772 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 773 774 return 0; 775 } 776 777 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 778 struct v4l2_format *f) 779 { 780 struct cx8800_dev *dev = video_drvdata(file); 781 struct cx88_core *core = dev->core; 782 int err = vidioc_try_fmt_vid_cap (file,priv,f); 783 784 if (0 != err) 785 return err; 786 if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq)) 787 return -EBUSY; 788 if (core->dvbdev && vb2_is_busy(&core->dvbdev->vb2_mpegq)) 789 return -EBUSY; 790 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat); 791 core->width = f->fmt.pix.width; 792 core->height = f->fmt.pix.height; 793 core->field = f->fmt.pix.field; 794 return 0; 795 } 796 797 void cx88_querycap(struct file *file, struct cx88_core *core, 798 struct v4l2_capability *cap) 799 { 800 struct video_device *vdev = video_devdata(file); 801 802 strlcpy(cap->card, core->board.name, sizeof(cap->card)); 803 cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; 804 if (UNSET != core->board.tuner_type) 805 cap->device_caps |= V4L2_CAP_TUNER; 806 switch (vdev->vfl_type) { 807 case VFL_TYPE_RADIO: 808 cap->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER; 809 break; 810 case VFL_TYPE_GRABBER: 811 cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE; 812 break; 813 case VFL_TYPE_VBI: 814 cap->device_caps |= V4L2_CAP_VBI_CAPTURE; 815 break; 816 } 817 cap->capabilities = cap->device_caps | V4L2_CAP_VIDEO_CAPTURE | 818 V4L2_CAP_VBI_CAPTURE | V4L2_CAP_DEVICE_CAPS; 819 if (core->board.radio.type == CX88_RADIO) 820 cap->capabilities |= V4L2_CAP_RADIO; 821 } 822 EXPORT_SYMBOL(cx88_querycap); 823 824 static int vidioc_querycap(struct file *file, void *priv, 825 struct v4l2_capability *cap) 826 { 827 struct cx8800_dev *dev = video_drvdata(file); 828 struct cx88_core *core = dev->core; 829 830 strcpy(cap->driver, "cx8800"); 831 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci)); 832 cx88_querycap(file, core, cap); 833 return 0; 834 } 835 836 static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv, 837 struct v4l2_fmtdesc *f) 838 { 839 if (unlikely(f->index >= ARRAY_SIZE(formats))) 840 return -EINVAL; 841 842 strlcpy(f->description,formats[f->index].name,sizeof(f->description)); 843 f->pixelformat = formats[f->index].fourcc; 844 845 return 0; 846 } 847 848 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm) 849 { 850 struct cx8800_dev *dev = video_drvdata(file); 851 struct cx88_core *core = dev->core; 852 853 *tvnorm = core->tvnorm; 854 return 0; 855 } 856 857 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms) 858 { 859 struct cx8800_dev *dev = video_drvdata(file); 860 struct cx88_core *core = dev->core; 861 862 return cx88_set_tvnorm(core, tvnorms); 863 } 864 865 /* only one input in this sample driver */ 866 int cx88_enum_input (struct cx88_core *core,struct v4l2_input *i) 867 { 868 static const char * const iname[] = { 869 [ CX88_VMUX_COMPOSITE1 ] = "Composite1", 870 [ CX88_VMUX_COMPOSITE2 ] = "Composite2", 871 [ CX88_VMUX_COMPOSITE3 ] = "Composite3", 872 [ CX88_VMUX_COMPOSITE4 ] = "Composite4", 873 [ CX88_VMUX_SVIDEO ] = "S-Video", 874 [ CX88_VMUX_TELEVISION ] = "Television", 875 [ CX88_VMUX_CABLE ] = "Cable TV", 876 [ CX88_VMUX_DVB ] = "DVB", 877 [ CX88_VMUX_DEBUG ] = "for debug only", 878 }; 879 unsigned int n = i->index; 880 881 if (n >= 4) 882 return -EINVAL; 883 if (0 == INPUT(n).type) 884 return -EINVAL; 885 i->type = V4L2_INPUT_TYPE_CAMERA; 886 strcpy(i->name,iname[INPUT(n).type]); 887 if ((CX88_VMUX_TELEVISION == INPUT(n).type) || 888 (CX88_VMUX_CABLE == INPUT(n).type)) { 889 i->type = V4L2_INPUT_TYPE_TUNER; 890 } 891 i->std = CX88_NORMS; 892 return 0; 893 } 894 EXPORT_SYMBOL(cx88_enum_input); 895 896 static int vidioc_enum_input (struct file *file, void *priv, 897 struct v4l2_input *i) 898 { 899 struct cx8800_dev *dev = video_drvdata(file); 900 struct cx88_core *core = dev->core; 901 return cx88_enum_input (core,i); 902 } 903 904 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i) 905 { 906 struct cx8800_dev *dev = video_drvdata(file); 907 struct cx88_core *core = dev->core; 908 909 *i = core->input; 910 return 0; 911 } 912 913 static int vidioc_s_input (struct file *file, void *priv, unsigned int i) 914 { 915 struct cx8800_dev *dev = video_drvdata(file); 916 struct cx88_core *core = dev->core; 917 918 if (i >= 4) 919 return -EINVAL; 920 if (0 == INPUT(i).type) 921 return -EINVAL; 922 923 cx88_newstation(core); 924 cx88_video_mux(core,i); 925 return 0; 926 } 927 928 static int vidioc_g_tuner (struct file *file, void *priv, 929 struct v4l2_tuner *t) 930 { 931 struct cx8800_dev *dev = video_drvdata(file); 932 struct cx88_core *core = dev->core; 933 u32 reg; 934 935 if (unlikely(UNSET == core->board.tuner_type)) 936 return -EINVAL; 937 if (0 != t->index) 938 return -EINVAL; 939 940 strcpy(t->name, "Television"); 941 t->capability = V4L2_TUNER_CAP_NORM; 942 t->rangehigh = 0xffffffffUL; 943 call_all(core, tuner, g_tuner, t); 944 945 cx88_get_stereo(core ,t); 946 reg = cx_read(MO_DEVICE_STATUS); 947 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000; 948 return 0; 949 } 950 951 static int vidioc_s_tuner (struct file *file, void *priv, 952 const struct v4l2_tuner *t) 953 { 954 struct cx8800_dev *dev = video_drvdata(file); 955 struct cx88_core *core = dev->core; 956 957 if (UNSET == core->board.tuner_type) 958 return -EINVAL; 959 if (0 != t->index) 960 return -EINVAL; 961 962 cx88_set_stereo(core, t->audmode, 1); 963 return 0; 964 } 965 966 static int vidioc_g_frequency (struct file *file, void *priv, 967 struct v4l2_frequency *f) 968 { 969 struct cx8800_dev *dev = video_drvdata(file); 970 struct cx88_core *core = dev->core; 971 972 if (unlikely(UNSET == core->board.tuner_type)) 973 return -EINVAL; 974 if (f->tuner) 975 return -EINVAL; 976 977 f->frequency = core->freq; 978 979 call_all(core, tuner, g_frequency, f); 980 981 return 0; 982 } 983 984 int cx88_set_freq (struct cx88_core *core, 985 const struct v4l2_frequency *f) 986 { 987 struct v4l2_frequency new_freq = *f; 988 989 if (unlikely(UNSET == core->board.tuner_type)) 990 return -EINVAL; 991 if (unlikely(f->tuner != 0)) 992 return -EINVAL; 993 994 cx88_newstation(core); 995 call_all(core, tuner, s_frequency, f); 996 call_all(core, tuner, g_frequency, &new_freq); 997 core->freq = new_freq.frequency; 998 999 /* When changing channels it is required to reset TVAUDIO */ 1000 msleep (10); 1001 cx88_set_tvaudio(core); 1002 1003 return 0; 1004 } 1005 EXPORT_SYMBOL(cx88_set_freq); 1006 1007 static int vidioc_s_frequency (struct file *file, void *priv, 1008 const struct v4l2_frequency *f) 1009 { 1010 struct cx8800_dev *dev = video_drvdata(file); 1011 struct cx88_core *core = dev->core; 1012 1013 return cx88_set_freq(core, f); 1014 } 1015 1016 #ifdef CONFIG_VIDEO_ADV_DEBUG 1017 static int vidioc_g_register (struct file *file, void *fh, 1018 struct v4l2_dbg_register *reg) 1019 { 1020 struct cx8800_dev *dev = video_drvdata(file); 1021 struct cx88_core *core = dev->core; 1022 1023 /* cx2388x has a 24-bit register space */ 1024 reg->val = cx_read(reg->reg & 0xfffffc); 1025 reg->size = 4; 1026 return 0; 1027 } 1028 1029 static int vidioc_s_register (struct file *file, void *fh, 1030 const struct v4l2_dbg_register *reg) 1031 { 1032 struct cx8800_dev *dev = video_drvdata(file); 1033 struct cx88_core *core = dev->core; 1034 1035 cx_write(reg->reg & 0xfffffc, reg->val); 1036 return 0; 1037 } 1038 #endif 1039 1040 /* ----------------------------------------------------------- */ 1041 /* RADIO ESPECIFIC IOCTLS */ 1042 /* ----------------------------------------------------------- */ 1043 1044 static int radio_g_tuner (struct file *file, void *priv, 1045 struct v4l2_tuner *t) 1046 { 1047 struct cx8800_dev *dev = video_drvdata(file); 1048 struct cx88_core *core = dev->core; 1049 1050 if (unlikely(t->index > 0)) 1051 return -EINVAL; 1052 1053 strcpy(t->name, "Radio"); 1054 1055 call_all(core, tuner, g_tuner, t); 1056 return 0; 1057 } 1058 1059 static int radio_s_tuner (struct file *file, void *priv, 1060 const struct v4l2_tuner *t) 1061 { 1062 struct cx8800_dev *dev = video_drvdata(file); 1063 struct cx88_core *core = dev->core; 1064 1065 if (0 != t->index) 1066 return -EINVAL; 1067 1068 call_all(core, tuner, s_tuner, t); 1069 return 0; 1070 } 1071 1072 /* ----------------------------------------------------------- */ 1073 1074 static const char *cx88_vid_irqs[32] = { 1075 "y_risci1", "u_risci1", "v_risci1", "vbi_risc1", 1076 "y_risci2", "u_risci2", "v_risci2", "vbi_risc2", 1077 "y_oflow", "u_oflow", "v_oflow", "vbi_oflow", 1078 "y_sync", "u_sync", "v_sync", "vbi_sync", 1079 "opc_err", "par_err", "rip_err", "pci_abort", 1080 }; 1081 1082 static void cx8800_vid_irq(struct cx8800_dev *dev) 1083 { 1084 struct cx88_core *core = dev->core; 1085 u32 status, mask, count; 1086 1087 status = cx_read(MO_VID_INTSTAT); 1088 mask = cx_read(MO_VID_INTMSK); 1089 if (0 == (status & mask)) 1090 return; 1091 cx_write(MO_VID_INTSTAT, status); 1092 if (irq_debug || (status & mask & ~0xff)) 1093 cx88_print_irqbits(core->name, "irq vid", 1094 cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs), 1095 status, mask); 1096 1097 /* risc op code error */ 1098 if (status & (1 << 16)) { 1099 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name); 1100 cx_clear(MO_VID_DMACNTRL, 0x11); 1101 cx_clear(VID_CAPTURE_CONTROL, 0x06); 1102 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]); 1103 } 1104 1105 /* risc1 y */ 1106 if (status & 0x01) { 1107 spin_lock(&dev->slock); 1108 count = cx_read(MO_VIDY_GPCNT); 1109 cx88_wakeup(core, &dev->vidq, count); 1110 spin_unlock(&dev->slock); 1111 } 1112 1113 /* risc1 vbi */ 1114 if (status & 0x08) { 1115 spin_lock(&dev->slock); 1116 count = cx_read(MO_VBI_GPCNT); 1117 cx88_wakeup(core, &dev->vbiq, count); 1118 spin_unlock(&dev->slock); 1119 } 1120 } 1121 1122 static irqreturn_t cx8800_irq(int irq, void *dev_id) 1123 { 1124 struct cx8800_dev *dev = dev_id; 1125 struct cx88_core *core = dev->core; 1126 u32 status; 1127 int loop, handled = 0; 1128 1129 for (loop = 0; loop < 10; loop++) { 1130 status = cx_read(MO_PCI_INTSTAT) & 1131 (core->pci_irqmask | PCI_INT_VIDINT); 1132 if (0 == status) 1133 goto out; 1134 cx_write(MO_PCI_INTSTAT, status); 1135 handled = 1; 1136 1137 if (status & core->pci_irqmask) 1138 cx88_core_irq(core,status); 1139 if (status & PCI_INT_VIDINT) 1140 cx8800_vid_irq(dev); 1141 } 1142 if (10 == loop) { 1143 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n", 1144 core->name); 1145 cx_write(MO_PCI_INTMSK,0); 1146 } 1147 1148 out: 1149 return IRQ_RETVAL(handled); 1150 } 1151 1152 /* ----------------------------------------------------------- */ 1153 /* exported stuff */ 1154 1155 static const struct v4l2_file_operations video_fops = 1156 { 1157 .owner = THIS_MODULE, 1158 .open = v4l2_fh_open, 1159 .release = vb2_fop_release, 1160 .read = vb2_fop_read, 1161 .poll = vb2_fop_poll, 1162 .mmap = vb2_fop_mmap, 1163 .unlocked_ioctl = video_ioctl2, 1164 }; 1165 1166 static const struct v4l2_ioctl_ops video_ioctl_ops = { 1167 .vidioc_querycap = vidioc_querycap, 1168 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 1169 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 1170 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 1171 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 1172 .vidioc_reqbufs = vb2_ioctl_reqbufs, 1173 .vidioc_querybuf = vb2_ioctl_querybuf, 1174 .vidioc_qbuf = vb2_ioctl_qbuf, 1175 .vidioc_dqbuf = vb2_ioctl_dqbuf, 1176 .vidioc_g_std = vidioc_g_std, 1177 .vidioc_s_std = vidioc_s_std, 1178 .vidioc_enum_input = vidioc_enum_input, 1179 .vidioc_g_input = vidioc_g_input, 1180 .vidioc_s_input = vidioc_s_input, 1181 .vidioc_streamon = vb2_ioctl_streamon, 1182 .vidioc_streamoff = vb2_ioctl_streamoff, 1183 .vidioc_g_tuner = vidioc_g_tuner, 1184 .vidioc_s_tuner = vidioc_s_tuner, 1185 .vidioc_g_frequency = vidioc_g_frequency, 1186 .vidioc_s_frequency = vidioc_s_frequency, 1187 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 1188 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1189 #ifdef CONFIG_VIDEO_ADV_DEBUG 1190 .vidioc_g_register = vidioc_g_register, 1191 .vidioc_s_register = vidioc_s_register, 1192 #endif 1193 }; 1194 1195 static const struct video_device cx8800_video_template = { 1196 .name = "cx8800-video", 1197 .fops = &video_fops, 1198 .ioctl_ops = &video_ioctl_ops, 1199 .tvnorms = CX88_NORMS, 1200 }; 1201 1202 static const struct v4l2_ioctl_ops vbi_ioctl_ops = { 1203 .vidioc_querycap = vidioc_querycap, 1204 .vidioc_g_fmt_vbi_cap = cx8800_vbi_fmt, 1205 .vidioc_try_fmt_vbi_cap = cx8800_vbi_fmt, 1206 .vidioc_s_fmt_vbi_cap = cx8800_vbi_fmt, 1207 .vidioc_reqbufs = vb2_ioctl_reqbufs, 1208 .vidioc_querybuf = vb2_ioctl_querybuf, 1209 .vidioc_qbuf = vb2_ioctl_qbuf, 1210 .vidioc_dqbuf = vb2_ioctl_dqbuf, 1211 .vidioc_g_std = vidioc_g_std, 1212 .vidioc_s_std = vidioc_s_std, 1213 .vidioc_enum_input = vidioc_enum_input, 1214 .vidioc_g_input = vidioc_g_input, 1215 .vidioc_s_input = vidioc_s_input, 1216 .vidioc_streamon = vb2_ioctl_streamon, 1217 .vidioc_streamoff = vb2_ioctl_streamoff, 1218 .vidioc_g_tuner = vidioc_g_tuner, 1219 .vidioc_s_tuner = vidioc_s_tuner, 1220 .vidioc_g_frequency = vidioc_g_frequency, 1221 .vidioc_s_frequency = vidioc_s_frequency, 1222 #ifdef CONFIG_VIDEO_ADV_DEBUG 1223 .vidioc_g_register = vidioc_g_register, 1224 .vidioc_s_register = vidioc_s_register, 1225 #endif 1226 }; 1227 1228 static const struct video_device cx8800_vbi_template = { 1229 .name = "cx8800-vbi", 1230 .fops = &video_fops, 1231 .ioctl_ops = &vbi_ioctl_ops, 1232 .tvnorms = CX88_NORMS, 1233 }; 1234 1235 static const struct v4l2_file_operations radio_fops = 1236 { 1237 .owner = THIS_MODULE, 1238 .open = radio_open, 1239 .poll = v4l2_ctrl_poll, 1240 .release = v4l2_fh_release, 1241 .unlocked_ioctl = video_ioctl2, 1242 }; 1243 1244 static const struct v4l2_ioctl_ops radio_ioctl_ops = { 1245 .vidioc_querycap = vidioc_querycap, 1246 .vidioc_g_tuner = radio_g_tuner, 1247 .vidioc_s_tuner = radio_s_tuner, 1248 .vidioc_g_frequency = vidioc_g_frequency, 1249 .vidioc_s_frequency = vidioc_s_frequency, 1250 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 1251 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1252 #ifdef CONFIG_VIDEO_ADV_DEBUG 1253 .vidioc_g_register = vidioc_g_register, 1254 .vidioc_s_register = vidioc_s_register, 1255 #endif 1256 }; 1257 1258 static const struct video_device cx8800_radio_template = { 1259 .name = "cx8800-radio", 1260 .fops = &radio_fops, 1261 .ioctl_ops = &radio_ioctl_ops, 1262 }; 1263 1264 static const struct v4l2_ctrl_ops cx8800_ctrl_vid_ops = { 1265 .s_ctrl = cx8800_s_vid_ctrl, 1266 }; 1267 1268 static const struct v4l2_ctrl_ops cx8800_ctrl_aud_ops = { 1269 .s_ctrl = cx8800_s_aud_ctrl, 1270 }; 1271 1272 /* ----------------------------------------------------------- */ 1273 1274 static void cx8800_unregister_video(struct cx8800_dev *dev) 1275 { 1276 video_unregister_device(&dev->radio_dev); 1277 video_unregister_device(&dev->vbi_dev); 1278 video_unregister_device(&dev->video_dev); 1279 } 1280 1281 static int cx8800_initdev(struct pci_dev *pci_dev, 1282 const struct pci_device_id *pci_id) 1283 { 1284 struct cx8800_dev *dev; 1285 struct cx88_core *core; 1286 struct vb2_queue *q; 1287 int err; 1288 int i; 1289 1290 dev = kzalloc(sizeof(*dev),GFP_KERNEL); 1291 if (NULL == dev) 1292 return -ENOMEM; 1293 1294 /* pci init */ 1295 dev->pci = pci_dev; 1296 if (pci_enable_device(pci_dev)) { 1297 err = -EIO; 1298 goto fail_free; 1299 } 1300 core = cx88_core_get(dev->pci); 1301 if (NULL == core) { 1302 err = -EINVAL; 1303 goto fail_free; 1304 } 1305 dev->core = core; 1306 1307 /* print pci info */ 1308 dev->pci_rev = pci_dev->revision; 1309 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat); 1310 printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, " 1311 "latency: %d, mmio: 0x%llx\n", core->name, 1312 pci_name(pci_dev), dev->pci_rev, pci_dev->irq, 1313 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0)); 1314 1315 pci_set_master(pci_dev); 1316 err = pci_set_dma_mask(pci_dev,DMA_BIT_MASK(32)); 1317 if (err) { 1318 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name); 1319 goto fail_core; 1320 } 1321 1322 /* initialize driver struct */ 1323 spin_lock_init(&dev->slock); 1324 1325 /* init video dma queues */ 1326 INIT_LIST_HEAD(&dev->vidq.active); 1327 1328 /* init vbi dma queues */ 1329 INIT_LIST_HEAD(&dev->vbiq.active); 1330 1331 /* get irq */ 1332 err = request_irq(pci_dev->irq, cx8800_irq, 1333 IRQF_SHARED, core->name, dev); 1334 if (err < 0) { 1335 printk(KERN_ERR "%s/0: can't get IRQ %d\n", 1336 core->name,pci_dev->irq); 1337 goto fail_core; 1338 } 1339 cx_set(MO_PCI_INTMSK, core->pci_irqmask); 1340 1341 for (i = 0; i < CX8800_AUD_CTLS; i++) { 1342 const struct cx88_ctrl *cc = &cx8800_aud_ctls[i]; 1343 struct v4l2_ctrl *vc; 1344 1345 vc = v4l2_ctrl_new_std(&core->audio_hdl, &cx8800_ctrl_aud_ops, 1346 cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value); 1347 if (vc == NULL) { 1348 err = core->audio_hdl.error; 1349 goto fail_core; 1350 } 1351 vc->priv = (void *)cc; 1352 } 1353 1354 for (i = 0; i < CX8800_VID_CTLS; i++) { 1355 const struct cx88_ctrl *cc = &cx8800_vid_ctls[i]; 1356 struct v4l2_ctrl *vc; 1357 1358 vc = v4l2_ctrl_new_std(&core->video_hdl, &cx8800_ctrl_vid_ops, 1359 cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value); 1360 if (vc == NULL) { 1361 err = core->video_hdl.error; 1362 goto fail_core; 1363 } 1364 vc->priv = (void *)cc; 1365 if (vc->id == V4L2_CID_CHROMA_AGC) 1366 core->chroma_agc = vc; 1367 } 1368 v4l2_ctrl_add_handler(&core->video_hdl, &core->audio_hdl, NULL); 1369 1370 /* load and configure helper modules */ 1371 1372 if (core->board.audio_chip == CX88_AUDIO_WM8775) { 1373 struct i2c_board_info wm8775_info = { 1374 .type = "wm8775", 1375 .addr = 0x36 >> 1, 1376 .platform_data = &core->wm8775_data, 1377 }; 1378 struct v4l2_subdev *sd; 1379 1380 if (core->boardnr == CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1) 1381 core->wm8775_data.is_nova_s = true; 1382 else 1383 core->wm8775_data.is_nova_s = false; 1384 1385 sd = v4l2_i2c_new_subdev_board(&core->v4l2_dev, &core->i2c_adap, 1386 &wm8775_info, NULL); 1387 if (sd != NULL) { 1388 core->sd_wm8775 = sd; 1389 sd->grp_id = WM8775_GID; 1390 } 1391 } 1392 1393 if (core->board.audio_chip == CX88_AUDIO_TVAUDIO) { 1394 /* This probes for a tda9874 as is used on some 1395 Pixelview Ultra boards. */ 1396 v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap, 1397 "tvaudio", 0, I2C_ADDRS(0xb0 >> 1)); 1398 } 1399 1400 switch (core->boardnr) { 1401 case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD: 1402 case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: { 1403 static const struct i2c_board_info rtc_info = { 1404 I2C_BOARD_INFO("isl1208", 0x6f) 1405 }; 1406 1407 request_module("rtc-isl1208"); 1408 core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info); 1409 } 1410 /* break intentionally omitted */ 1411 case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO: 1412 request_module("ir-kbd-i2c"); 1413 } 1414 1415 /* Sets device info at pci_dev */ 1416 pci_set_drvdata(pci_dev, dev); 1417 1418 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); 1419 1420 /* Maintain a reference so cx88-blackbird can query the 8800 device. */ 1421 core->v4ldev = dev; 1422 1423 /* initial device configuration */ 1424 mutex_lock(&core->lock); 1425 cx88_set_tvnorm(core, core->tvnorm); 1426 v4l2_ctrl_handler_setup(&core->video_hdl); 1427 v4l2_ctrl_handler_setup(&core->audio_hdl); 1428 cx88_video_mux(core, 0); 1429 1430 q = &dev->vb2_vidq; 1431 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1432 q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ; 1433 q->gfp_flags = GFP_DMA32; 1434 q->min_buffers_needed = 2; 1435 q->drv_priv = dev; 1436 q->buf_struct_size = sizeof(struct cx88_buffer); 1437 q->ops = &cx8800_video_qops; 1438 q->mem_ops = &vb2_dma_sg_memops; 1439 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1440 q->lock = &core->lock; 1441 q->dev = &dev->pci->dev; 1442 1443 err = vb2_queue_init(q); 1444 if (err < 0) 1445 goto fail_unreg; 1446 1447 q = &dev->vb2_vbiq; 1448 q->type = V4L2_BUF_TYPE_VBI_CAPTURE; 1449 q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ; 1450 q->gfp_flags = GFP_DMA32; 1451 q->min_buffers_needed = 2; 1452 q->drv_priv = dev; 1453 q->buf_struct_size = sizeof(struct cx88_buffer); 1454 q->ops = &cx8800_vbi_qops; 1455 q->mem_ops = &vb2_dma_sg_memops; 1456 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1457 q->lock = &core->lock; 1458 q->dev = &dev->pci->dev; 1459 1460 err = vb2_queue_init(q); 1461 if (err < 0) 1462 goto fail_unreg; 1463 1464 /* register v4l devices */ 1465 cx88_vdev_init(core, dev->pci, &dev->video_dev, 1466 &cx8800_video_template, "video"); 1467 video_set_drvdata(&dev->video_dev, dev); 1468 dev->video_dev.ctrl_handler = &core->video_hdl; 1469 dev->video_dev.queue = &dev->vb2_vidq; 1470 err = video_register_device(&dev->video_dev, VFL_TYPE_GRABBER, 1471 video_nr[core->nr]); 1472 if (err < 0) { 1473 printk(KERN_ERR "%s/0: can't register video device\n", 1474 core->name); 1475 goto fail_unreg; 1476 } 1477 printk(KERN_INFO "%s/0: registered device %s [v4l2]\n", 1478 core->name, video_device_node_name(&dev->video_dev)); 1479 1480 cx88_vdev_init(core, dev->pci, &dev->vbi_dev, 1481 &cx8800_vbi_template, "vbi"); 1482 video_set_drvdata(&dev->vbi_dev, dev); 1483 dev->vbi_dev.queue = &dev->vb2_vbiq; 1484 err = video_register_device(&dev->vbi_dev, VFL_TYPE_VBI, 1485 vbi_nr[core->nr]); 1486 if (err < 0) { 1487 printk(KERN_ERR "%s/0: can't register vbi device\n", 1488 core->name); 1489 goto fail_unreg; 1490 } 1491 printk(KERN_INFO "%s/0: registered device %s\n", 1492 core->name, video_device_node_name(&dev->vbi_dev)); 1493 1494 if (core->board.radio.type == CX88_RADIO) { 1495 cx88_vdev_init(core, dev->pci, &dev->radio_dev, 1496 &cx8800_radio_template, "radio"); 1497 video_set_drvdata(&dev->radio_dev, dev); 1498 dev->radio_dev.ctrl_handler = &core->audio_hdl; 1499 err = video_register_device(&dev->radio_dev, VFL_TYPE_RADIO, 1500 radio_nr[core->nr]); 1501 if (err < 0) { 1502 printk(KERN_ERR "%s/0: can't register radio device\n", 1503 core->name); 1504 goto fail_unreg; 1505 } 1506 printk(KERN_INFO "%s/0: registered device %s\n", 1507 core->name, video_device_node_name(&dev->radio_dev)); 1508 } 1509 1510 /* start tvaudio thread */ 1511 if (core->board.tuner_type != UNSET) { 1512 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio"); 1513 if (IS_ERR(core->kthread)) { 1514 err = PTR_ERR(core->kthread); 1515 printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n", 1516 core->name, err); 1517 } 1518 } 1519 mutex_unlock(&core->lock); 1520 1521 return 0; 1522 1523 fail_unreg: 1524 cx8800_unregister_video(dev); 1525 free_irq(pci_dev->irq, dev); 1526 mutex_unlock(&core->lock); 1527 fail_core: 1528 core->v4ldev = NULL; 1529 cx88_core_put(core,dev->pci); 1530 fail_free: 1531 kfree(dev); 1532 return err; 1533 } 1534 1535 static void cx8800_finidev(struct pci_dev *pci_dev) 1536 { 1537 struct cx8800_dev *dev = pci_get_drvdata(pci_dev); 1538 struct cx88_core *core = dev->core; 1539 1540 /* stop thread */ 1541 if (core->kthread) { 1542 kthread_stop(core->kthread); 1543 core->kthread = NULL; 1544 } 1545 1546 if (core->ir) 1547 cx88_ir_stop(core); 1548 1549 cx88_shutdown(core); /* FIXME */ 1550 1551 /* unregister stuff */ 1552 1553 free_irq(pci_dev->irq, dev); 1554 cx8800_unregister_video(dev); 1555 pci_disable_device(pci_dev); 1556 1557 core->v4ldev = NULL; 1558 1559 /* free memory */ 1560 cx88_core_put(core,dev->pci); 1561 kfree(dev); 1562 } 1563 1564 #ifdef CONFIG_PM 1565 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state) 1566 { 1567 struct cx8800_dev *dev = pci_get_drvdata(pci_dev); 1568 struct cx88_core *core = dev->core; 1569 unsigned long flags; 1570 1571 /* stop video+vbi capture */ 1572 spin_lock_irqsave(&dev->slock, flags); 1573 if (!list_empty(&dev->vidq.active)) { 1574 printk("%s/0: suspend video\n", core->name); 1575 stop_video_dma(dev); 1576 } 1577 if (!list_empty(&dev->vbiq.active)) { 1578 printk("%s/0: suspend vbi\n", core->name); 1579 cx8800_stop_vbi_dma(dev); 1580 } 1581 spin_unlock_irqrestore(&dev->slock, flags); 1582 1583 if (core->ir) 1584 cx88_ir_stop(core); 1585 /* FIXME -- shutdown device */ 1586 cx88_shutdown(core); 1587 1588 pci_save_state(pci_dev); 1589 if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) { 1590 pci_disable_device(pci_dev); 1591 dev->state.disabled = 1; 1592 } 1593 return 0; 1594 } 1595 1596 static int cx8800_resume(struct pci_dev *pci_dev) 1597 { 1598 struct cx8800_dev *dev = pci_get_drvdata(pci_dev); 1599 struct cx88_core *core = dev->core; 1600 unsigned long flags; 1601 int err; 1602 1603 if (dev->state.disabled) { 1604 err=pci_enable_device(pci_dev); 1605 if (err) { 1606 printk(KERN_ERR "%s/0: can't enable device\n", 1607 core->name); 1608 return err; 1609 } 1610 1611 dev->state.disabled = 0; 1612 } 1613 err= pci_set_power_state(pci_dev, PCI_D0); 1614 if (err) { 1615 printk(KERN_ERR "%s/0: can't set power state\n", core->name); 1616 pci_disable_device(pci_dev); 1617 dev->state.disabled = 1; 1618 1619 return err; 1620 } 1621 pci_restore_state(pci_dev); 1622 1623 /* FIXME: re-initialize hardware */ 1624 cx88_reset(core); 1625 if (core->ir) 1626 cx88_ir_start(core); 1627 1628 cx_set(MO_PCI_INTMSK, core->pci_irqmask); 1629 1630 /* restart video+vbi capture */ 1631 spin_lock_irqsave(&dev->slock, flags); 1632 if (!list_empty(&dev->vidq.active)) { 1633 printk("%s/0: resume video\n", core->name); 1634 restart_video_queue(dev,&dev->vidq); 1635 } 1636 if (!list_empty(&dev->vbiq.active)) { 1637 printk("%s/0: resume vbi\n", core->name); 1638 cx8800_restart_vbi_queue(dev,&dev->vbiq); 1639 } 1640 spin_unlock_irqrestore(&dev->slock, flags); 1641 1642 return 0; 1643 } 1644 #endif 1645 1646 /* ----------------------------------------------------------- */ 1647 1648 static const struct pci_device_id cx8800_pci_tbl[] = { 1649 { 1650 .vendor = 0x14f1, 1651 .device = 0x8800, 1652 .subvendor = PCI_ANY_ID, 1653 .subdevice = PCI_ANY_ID, 1654 },{ 1655 /* --- end of list --- */ 1656 } 1657 }; 1658 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl); 1659 1660 static struct pci_driver cx8800_pci_driver = { 1661 .name = "cx8800", 1662 .id_table = cx8800_pci_tbl, 1663 .probe = cx8800_initdev, 1664 .remove = cx8800_finidev, 1665 #ifdef CONFIG_PM 1666 .suspend = cx8800_suspend, 1667 .resume = cx8800_resume, 1668 #endif 1669 }; 1670 1671 module_pci_driver(cx8800_pci_driver); 1672