1 /* 2 * This is the driver for the STA2x11 Video Input Port. 3 * 4 * Copyright (C) 2012 ST Microelectronics 5 * author: Federico Vaga <federico.vaga@gmail.com> 6 * Copyright (C) 2010 WindRiver Systems, Inc. 7 * authors: Andreas Kies <andreas.kies@windriver.com> 8 * Vlad Lungu <vlad.lungu@windriver.com> 9 * 10 * This program is free software; you can redistribute it and/or modify it 11 * under the terms and conditions of the GNU General Public License, 12 * version 2, as published by the Free Software Foundation. 13 * 14 * This program is distributed in the hope it will be useful, but WITHOUT 15 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 16 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 17 * more details. 18 * 19 * You should have received a copy of the GNU General Public License along with 20 * this program; if not, write to the Free Software Foundation, Inc., 21 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 22 * 23 * The full GNU General Public License is included in this distribution in 24 * the file called "COPYING". 25 * 26 */ 27 28 #include <linux/types.h> 29 #include <linux/kernel.h> 30 #include <linux/module.h> 31 #include <linux/init.h> 32 #include <linux/videodev2.h> 33 #include <linux/kmod.h> 34 #include <linux/pci.h> 35 #include <linux/interrupt.h> 36 #include <linux/io.h> 37 #include <linux/gpio.h> 38 #include <linux/i2c.h> 39 #include <linux/delay.h> 40 #include <media/v4l2-common.h> 41 #include <media/v4l2-device.h> 42 #include <media/v4l2-ctrls.h> 43 #include <media/v4l2-ioctl.h> 44 #include <media/v4l2-fh.h> 45 #include <media/v4l2-event.h> 46 #include <media/videobuf2-dma-contig.h> 47 48 #include "sta2x11_vip.h" 49 50 #define DRV_VERSION "1.3" 51 52 #ifndef PCI_DEVICE_ID_STMICRO_VIP 53 #define PCI_DEVICE_ID_STMICRO_VIP 0xCC0D 54 #endif 55 56 #define MAX_FRAMES 4 57 58 /*Register offsets*/ 59 #define DVP_CTL 0x00 60 #define DVP_TFO 0x04 61 #define DVP_TFS 0x08 62 #define DVP_BFO 0x0C 63 #define DVP_BFS 0x10 64 #define DVP_VTP 0x14 65 #define DVP_VBP 0x18 66 #define DVP_VMP 0x1C 67 #define DVP_ITM 0x98 68 #define DVP_ITS 0x9C 69 #define DVP_STA 0xA0 70 #define DVP_HLFLN 0xA8 71 #define DVP_RGB 0xC0 72 #define DVP_PKZ 0xF0 73 74 /*Register fields*/ 75 #define DVP_CTL_ENA 0x00000001 76 #define DVP_CTL_RST 0x80000000 77 #define DVP_CTL_DIS (~0x00040001) 78 79 #define DVP_IT_VSB 0x00000008 80 #define DVP_IT_VST 0x00000010 81 #define DVP_IT_FIFO 0x00000020 82 83 #define DVP_HLFLN_SD 0x00000001 84 85 #define SAVE_COUNT 8 86 #define AUX_COUNT 3 87 #define IRQ_COUNT 1 88 89 90 struct vip_buffer { 91 struct vb2_v4l2_buffer vb; 92 struct list_head list; 93 dma_addr_t dma; 94 }; 95 static inline struct vip_buffer *to_vip_buffer(struct vb2_v4l2_buffer *vb2) 96 { 97 return container_of(vb2, struct vip_buffer, vb); 98 } 99 100 /** 101 * struct sta2x11_vip - All internal data for one instance of device 102 * @v4l2_dev: device registered in v4l layer 103 * @video_dev: properties of our device 104 * @pdev: PCI device 105 * @adapter: contains I2C adapter information 106 * @register_save_area: All relevant register are saved here during suspend 107 * @decoder: contains information about video DAC 108 * @ctrl_hdl: handler for control framework 109 * @format: pixel format, fixed UYVY 110 * @std: video standard (e.g. PAL/NTSC) 111 * @input: input line for video signal ( 0 or 1 ) 112 * @disabled: Device is in power down state 113 * @slock: for excluse acces of registers 114 * @alloc_ctx: context for videobuf2 115 * @vb_vidq: queue maintained by videobuf2 layer 116 * @buffer_list: list of buffer in use 117 * @sequence: sequence number of acquired buffer 118 * @active: current active buffer 119 * @lock: used in videobuf2 callback 120 * @tcount: Number of top frames 121 * @bcount: Number of bottom frames 122 * @overflow: Number of FIFO overflows 123 * @iomem: hardware base address 124 * @config: I2C and gpio config from platform 125 * 126 * All non-local data is accessed via this structure. 127 */ 128 struct sta2x11_vip { 129 struct v4l2_device v4l2_dev; 130 struct video_device video_dev; 131 struct pci_dev *pdev; 132 struct i2c_adapter *adapter; 133 unsigned int register_save_area[IRQ_COUNT + SAVE_COUNT + AUX_COUNT]; 134 struct v4l2_subdev *decoder; 135 struct v4l2_ctrl_handler ctrl_hdl; 136 137 138 struct v4l2_pix_format format; 139 v4l2_std_id std; 140 unsigned int input; 141 int disabled; 142 spinlock_t slock; 143 144 struct vb2_alloc_ctx *alloc_ctx; 145 struct vb2_queue vb_vidq; 146 struct list_head buffer_list; 147 unsigned int sequence; 148 struct vip_buffer *active; /* current active buffer */ 149 spinlock_t lock; /* Used in videobuf2 callback */ 150 151 /* Interrupt counters */ 152 int tcount, bcount; 153 int overflow; 154 155 void __iomem *iomem; /* I/O Memory */ 156 struct vip_config *config; 157 }; 158 159 static const unsigned int registers_to_save[AUX_COUNT] = { 160 DVP_HLFLN, DVP_RGB, DVP_PKZ 161 }; 162 163 static struct v4l2_pix_format formats_50[] = { 164 { /*PAL interlaced */ 165 .width = 720, 166 .height = 576, 167 .pixelformat = V4L2_PIX_FMT_UYVY, 168 .field = V4L2_FIELD_INTERLACED, 169 .bytesperline = 720 * 2, 170 .sizeimage = 720 * 2 * 576, 171 .colorspace = V4L2_COLORSPACE_SMPTE170M}, 172 { /*PAL top */ 173 .width = 720, 174 .height = 288, 175 .pixelformat = V4L2_PIX_FMT_UYVY, 176 .field = V4L2_FIELD_TOP, 177 .bytesperline = 720 * 2, 178 .sizeimage = 720 * 2 * 288, 179 .colorspace = V4L2_COLORSPACE_SMPTE170M}, 180 { /*PAL bottom */ 181 .width = 720, 182 .height = 288, 183 .pixelformat = V4L2_PIX_FMT_UYVY, 184 .field = V4L2_FIELD_BOTTOM, 185 .bytesperline = 720 * 2, 186 .sizeimage = 720 * 2 * 288, 187 .colorspace = V4L2_COLORSPACE_SMPTE170M}, 188 189 }; 190 191 static struct v4l2_pix_format formats_60[] = { 192 { /*NTSC interlaced */ 193 .width = 720, 194 .height = 480, 195 .pixelformat = V4L2_PIX_FMT_UYVY, 196 .field = V4L2_FIELD_INTERLACED, 197 .bytesperline = 720 * 2, 198 .sizeimage = 720 * 2 * 480, 199 .colorspace = V4L2_COLORSPACE_SMPTE170M}, 200 { /*NTSC top */ 201 .width = 720, 202 .height = 240, 203 .pixelformat = V4L2_PIX_FMT_UYVY, 204 .field = V4L2_FIELD_TOP, 205 .bytesperline = 720 * 2, 206 .sizeimage = 720 * 2 * 240, 207 .colorspace = V4L2_COLORSPACE_SMPTE170M}, 208 { /*NTSC bottom */ 209 .width = 720, 210 .height = 240, 211 .pixelformat = V4L2_PIX_FMT_UYVY, 212 .field = V4L2_FIELD_BOTTOM, 213 .bytesperline = 720 * 2, 214 .sizeimage = 720 * 2 * 240, 215 .colorspace = V4L2_COLORSPACE_SMPTE170M}, 216 }; 217 218 /* Write VIP register */ 219 static inline void reg_write(struct sta2x11_vip *vip, unsigned int reg, u32 val) 220 { 221 iowrite32((val), (vip->iomem)+(reg)); 222 } 223 /* Read VIP register */ 224 static inline u32 reg_read(struct sta2x11_vip *vip, unsigned int reg) 225 { 226 return ioread32((vip->iomem)+(reg)); 227 } 228 /* Start DMA acquisition */ 229 static void start_dma(struct sta2x11_vip *vip, struct vip_buffer *vip_buf) 230 { 231 unsigned long offset = 0; 232 233 if (vip->format.field == V4L2_FIELD_INTERLACED) 234 offset = vip->format.width * 2; 235 236 spin_lock_irq(&vip->slock); 237 /* Enable acquisition */ 238 reg_write(vip, DVP_CTL, reg_read(vip, DVP_CTL) | DVP_CTL_ENA); 239 /* Set Top and Bottom Field memory address */ 240 reg_write(vip, DVP_VTP, (u32)vip_buf->dma); 241 reg_write(vip, DVP_VBP, (u32)vip_buf->dma + offset); 242 spin_unlock_irq(&vip->slock); 243 } 244 245 /* Fetch the next buffer to activate */ 246 static void vip_active_buf_next(struct sta2x11_vip *vip) 247 { 248 /* Get the next buffer */ 249 spin_lock(&vip->lock); 250 if (list_empty(&vip->buffer_list)) {/* No available buffer */ 251 spin_unlock(&vip->lock); 252 return; 253 } 254 vip->active = list_first_entry(&vip->buffer_list, 255 struct vip_buffer, 256 list); 257 /* Reset Top and Bottom counter */ 258 vip->tcount = 0; 259 vip->bcount = 0; 260 spin_unlock(&vip->lock); 261 if (vb2_is_streaming(&vip->vb_vidq)) { /* streaming is on */ 262 start_dma(vip, vip->active); /* start dma capture */ 263 } 264 } 265 266 267 /* Videobuf2 Operations */ 268 static int queue_setup(struct vb2_queue *vq, 269 unsigned int *nbuffers, unsigned int *nplanes, 270 unsigned int sizes[], void *alloc_ctxs[]) 271 { 272 struct sta2x11_vip *vip = vb2_get_drv_priv(vq); 273 274 if (!(*nbuffers) || *nbuffers < MAX_FRAMES) 275 *nbuffers = MAX_FRAMES; 276 277 *nplanes = 1; 278 sizes[0] = vip->format.sizeimage; 279 alloc_ctxs[0] = vip->alloc_ctx; 280 281 vip->sequence = 0; 282 vip->active = NULL; 283 vip->tcount = 0; 284 vip->bcount = 0; 285 286 return 0; 287 }; 288 static int buffer_init(struct vb2_buffer *vb) 289 { 290 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 291 struct vip_buffer *vip_buf = to_vip_buffer(vbuf); 292 293 vip_buf->dma = vb2_dma_contig_plane_dma_addr(vb, 0); 294 INIT_LIST_HEAD(&vip_buf->list); 295 return 0; 296 } 297 298 static int buffer_prepare(struct vb2_buffer *vb) 299 { 300 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 301 struct sta2x11_vip *vip = vb2_get_drv_priv(vb->vb2_queue); 302 struct vip_buffer *vip_buf = to_vip_buffer(vbuf); 303 unsigned long size; 304 305 size = vip->format.sizeimage; 306 if (vb2_plane_size(vb, 0) < size) { 307 v4l2_err(&vip->v4l2_dev, "buffer too small (%lu < %lu)\n", 308 vb2_plane_size(vb, 0), size); 309 return -EINVAL; 310 } 311 312 vb2_set_plane_payload(&vip_buf->vb.vb2_buf, 0, size); 313 314 return 0; 315 } 316 static void buffer_queue(struct vb2_buffer *vb) 317 { 318 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 319 struct sta2x11_vip *vip = vb2_get_drv_priv(vb->vb2_queue); 320 struct vip_buffer *vip_buf = to_vip_buffer(vbuf); 321 322 spin_lock(&vip->lock); 323 list_add_tail(&vip_buf->list, &vip->buffer_list); 324 if (!vip->active) { /* No active buffer, active the first one */ 325 vip->active = list_first_entry(&vip->buffer_list, 326 struct vip_buffer, 327 list); 328 if (vb2_is_streaming(&vip->vb_vidq)) /* streaming is on */ 329 start_dma(vip, vip_buf); /* start dma capture */ 330 } 331 spin_unlock(&vip->lock); 332 } 333 static void buffer_finish(struct vb2_buffer *vb) 334 { 335 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 336 struct sta2x11_vip *vip = vb2_get_drv_priv(vb->vb2_queue); 337 struct vip_buffer *vip_buf = to_vip_buffer(vbuf); 338 339 /* Buffer handled, remove it from the list */ 340 spin_lock(&vip->lock); 341 list_del_init(&vip_buf->list); 342 spin_unlock(&vip->lock); 343 344 if (vb2_is_streaming(vb->vb2_queue)) 345 vip_active_buf_next(vip); 346 } 347 348 static int start_streaming(struct vb2_queue *vq, unsigned int count) 349 { 350 struct sta2x11_vip *vip = vb2_get_drv_priv(vq); 351 352 spin_lock_irq(&vip->slock); 353 /* Enable interrupt VSYNC Top and Bottom*/ 354 reg_write(vip, DVP_ITM, DVP_IT_VSB | DVP_IT_VST); 355 spin_unlock_irq(&vip->slock); 356 357 if (count) 358 start_dma(vip, vip->active); 359 360 return 0; 361 } 362 363 /* abort streaming and wait for last buffer */ 364 static void stop_streaming(struct vb2_queue *vq) 365 { 366 struct sta2x11_vip *vip = vb2_get_drv_priv(vq); 367 struct vip_buffer *vip_buf, *node; 368 369 /* Disable acquisition */ 370 reg_write(vip, DVP_CTL, reg_read(vip, DVP_CTL) & ~DVP_CTL_ENA); 371 /* Disable all interrupts */ 372 reg_write(vip, DVP_ITM, 0); 373 374 /* Release all active buffers */ 375 spin_lock(&vip->lock); 376 list_for_each_entry_safe(vip_buf, node, &vip->buffer_list, list) { 377 vb2_buffer_done(&vip_buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); 378 list_del(&vip_buf->list); 379 } 380 spin_unlock(&vip->lock); 381 } 382 383 static struct vb2_ops vip_video_qops = { 384 .queue_setup = queue_setup, 385 .buf_init = buffer_init, 386 .buf_prepare = buffer_prepare, 387 .buf_finish = buffer_finish, 388 .buf_queue = buffer_queue, 389 .start_streaming = start_streaming, 390 .stop_streaming = stop_streaming, 391 }; 392 393 394 /* File Operations */ 395 static const struct v4l2_file_operations vip_fops = { 396 .owner = THIS_MODULE, 397 .open = v4l2_fh_open, 398 .release = vb2_fop_release, 399 .unlocked_ioctl = video_ioctl2, 400 .read = vb2_fop_read, 401 .mmap = vb2_fop_mmap, 402 .poll = vb2_fop_poll 403 }; 404 405 406 /** 407 * vidioc_querycap - return capabilities of device 408 * @file: descriptor of device 409 * @cap: contains return values 410 * 411 * the capabilities of the device are returned 412 * 413 * return value: 0, no error. 414 */ 415 static int vidioc_querycap(struct file *file, void *priv, 416 struct v4l2_capability *cap) 417 { 418 struct sta2x11_vip *vip = video_drvdata(file); 419 420 strcpy(cap->driver, KBUILD_MODNAME); 421 strcpy(cap->card, KBUILD_MODNAME); 422 snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s", 423 pci_name(vip->pdev)); 424 cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE | 425 V4L2_CAP_STREAMING; 426 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; 427 428 return 0; 429 } 430 431 /** 432 * vidioc_s_std - set video standard 433 * @file: descriptor of device 434 * @std: contains standard to be set 435 * 436 * the video standard is set 437 * 438 * return value: 0, no error. 439 * 440 * -EIO, no input signal detected 441 * 442 * other, returned from video DAC. 443 */ 444 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id std) 445 { 446 struct sta2x11_vip *vip = video_drvdata(file); 447 v4l2_std_id oldstd = vip->std, newstd; 448 int status; 449 450 if (V4L2_STD_ALL == std) { 451 v4l2_subdev_call(vip->decoder, video, s_std, std); 452 ssleep(2); 453 v4l2_subdev_call(vip->decoder, video, querystd, &newstd); 454 v4l2_subdev_call(vip->decoder, video, g_input_status, &status); 455 if (status & V4L2_IN_ST_NO_SIGNAL) 456 return -EIO; 457 std = vip->std = newstd; 458 if (oldstd != std) { 459 if (V4L2_STD_525_60 & std) 460 vip->format = formats_60[0]; 461 else 462 vip->format = formats_50[0]; 463 } 464 return 0; 465 } 466 467 if (oldstd != std) { 468 if (V4L2_STD_525_60 & std) 469 vip->format = formats_60[0]; 470 else 471 vip->format = formats_50[0]; 472 } 473 474 return v4l2_subdev_call(vip->decoder, video, s_std, std); 475 } 476 477 /** 478 * vidioc_g_std - get video standard 479 * @file: descriptor of device 480 * @std: contains return values 481 * 482 * the current video standard is returned 483 * 484 * return value: 0, no error. 485 */ 486 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *std) 487 { 488 struct sta2x11_vip *vip = video_drvdata(file); 489 490 *std = vip->std; 491 return 0; 492 } 493 494 /** 495 * vidioc_querystd - get possible video standards 496 * @file: descriptor of device 497 * @std: contains return values 498 * 499 * all possible video standards are returned 500 * 501 * return value: delivered by video DAC routine. 502 */ 503 static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *std) 504 { 505 struct sta2x11_vip *vip = video_drvdata(file); 506 507 return v4l2_subdev_call(vip->decoder, video, querystd, std); 508 } 509 510 static int vidioc_enum_input(struct file *file, void *priv, 511 struct v4l2_input *inp) 512 { 513 if (inp->index > 1) 514 return -EINVAL; 515 516 inp->type = V4L2_INPUT_TYPE_CAMERA; 517 inp->std = V4L2_STD_ALL; 518 sprintf(inp->name, "Camera %u", inp->index); 519 520 return 0; 521 } 522 523 /** 524 * vidioc_s_input - set input line 525 * @file: descriptor of device 526 * @i: new input line number 527 * 528 * the current active input line is set 529 * 530 * return value: 0, no error. 531 * 532 * -EINVAL, line number out of range 533 */ 534 static int vidioc_s_input(struct file *file, void *priv, unsigned int i) 535 { 536 struct sta2x11_vip *vip = video_drvdata(file); 537 int ret; 538 539 if (i > 1) 540 return -EINVAL; 541 ret = v4l2_subdev_call(vip->decoder, video, s_routing, i, 0, 0); 542 543 if (!ret) 544 vip->input = i; 545 546 return 0; 547 } 548 549 /** 550 * vidioc_g_input - return input line 551 * @file: descriptor of device 552 * @i: returned input line number 553 * 554 * the current active input line is returned 555 * 556 * return value: always 0. 557 */ 558 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) 559 { 560 struct sta2x11_vip *vip = video_drvdata(file); 561 562 *i = vip->input; 563 return 0; 564 } 565 566 /** 567 * vidioc_enum_fmt_vid_cap - return video capture format 568 * @f: returned format information 569 * 570 * returns name and format of video capture 571 * Only UYVY is supported by hardware. 572 * 573 * return value: always 0. 574 */ 575 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 576 struct v4l2_fmtdesc *f) 577 { 578 579 if (f->index != 0) 580 return -EINVAL; 581 582 strcpy(f->description, "4:2:2, packed, UYVY"); 583 f->pixelformat = V4L2_PIX_FMT_UYVY; 584 f->flags = 0; 585 return 0; 586 } 587 588 /** 589 * vidioc_try_fmt_vid_cap - set video capture format 590 * @file: descriptor of device 591 * @f: new format 592 * 593 * new video format is set which includes width and 594 * field type. width is fixed to 720, no scaling. 595 * Only UYVY is supported by this hardware. 596 * the minimum height is 200, the maximum is 576 (PAL) 597 * 598 * return value: 0, no error 599 * 600 * -EINVAL, pixel or field format not supported 601 * 602 */ 603 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 604 struct v4l2_format *f) 605 { 606 struct sta2x11_vip *vip = video_drvdata(file); 607 int interlace_lim; 608 609 if (V4L2_PIX_FMT_UYVY != f->fmt.pix.pixelformat) { 610 v4l2_warn(&vip->v4l2_dev, "Invalid format, only UYVY supported\n"); 611 return -EINVAL; 612 } 613 614 if (V4L2_STD_525_60 & vip->std) 615 interlace_lim = 240; 616 else 617 interlace_lim = 288; 618 619 switch (f->fmt.pix.field) { 620 default: 621 case V4L2_FIELD_ANY: 622 if (interlace_lim < f->fmt.pix.height) 623 f->fmt.pix.field = V4L2_FIELD_INTERLACED; 624 else 625 f->fmt.pix.field = V4L2_FIELD_BOTTOM; 626 break; 627 case V4L2_FIELD_TOP: 628 case V4L2_FIELD_BOTTOM: 629 if (interlace_lim < f->fmt.pix.height) 630 f->fmt.pix.height = interlace_lim; 631 break; 632 case V4L2_FIELD_INTERLACED: 633 break; 634 } 635 636 /* It is the only supported format */ 637 f->fmt.pix.pixelformat = V4L2_PIX_FMT_UYVY; 638 f->fmt.pix.height &= ~1; 639 if (2 * interlace_lim < f->fmt.pix.height) 640 f->fmt.pix.height = 2 * interlace_lim; 641 if (200 > f->fmt.pix.height) 642 f->fmt.pix.height = 200; 643 f->fmt.pix.width = 720; 644 f->fmt.pix.bytesperline = f->fmt.pix.width * 2; 645 f->fmt.pix.sizeimage = f->fmt.pix.width * 2 * f->fmt.pix.height; 646 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 647 return 0; 648 } 649 650 /** 651 * vidioc_s_fmt_vid_cap - set current video format parameters 652 * @file: descriptor of device 653 * @f: returned format information 654 * 655 * set new capture format 656 * return value: 0, no error 657 * 658 * other, delivered by video DAC routine. 659 */ 660 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 661 struct v4l2_format *f) 662 { 663 struct sta2x11_vip *vip = video_drvdata(file); 664 unsigned int t_stop, b_stop, pitch; 665 int ret; 666 667 ret = vidioc_try_fmt_vid_cap(file, priv, f); 668 if (ret) 669 return ret; 670 671 if (vb2_is_busy(&vip->vb_vidq)) { 672 /* Can't change format during acquisition */ 673 v4l2_err(&vip->v4l2_dev, "device busy\n"); 674 return -EBUSY; 675 } 676 vip->format = f->fmt.pix; 677 switch (vip->format.field) { 678 case V4L2_FIELD_INTERLACED: 679 t_stop = ((vip->format.height / 2 - 1) << 16) | 680 (2 * vip->format.width - 1); 681 b_stop = t_stop; 682 pitch = 4 * vip->format.width; 683 break; 684 case V4L2_FIELD_TOP: 685 t_stop = ((vip->format.height - 1) << 16) | 686 (2 * vip->format.width - 1); 687 b_stop = (0 << 16) | (2 * vip->format.width - 1); 688 pitch = 2 * vip->format.width; 689 break; 690 case V4L2_FIELD_BOTTOM: 691 t_stop = (0 << 16) | (2 * vip->format.width - 1); 692 b_stop = (vip->format.height << 16) | 693 (2 * vip->format.width - 1); 694 pitch = 2 * vip->format.width; 695 break; 696 default: 697 v4l2_err(&vip->v4l2_dev, "unknown field format\n"); 698 return -EINVAL; 699 } 700 701 spin_lock_irq(&vip->slock); 702 /* Y-X Top Field Offset */ 703 reg_write(vip, DVP_TFO, 0); 704 /* Y-X Bottom Field Offset */ 705 reg_write(vip, DVP_BFO, 0); 706 /* Y-X Top Field Stop*/ 707 reg_write(vip, DVP_TFS, t_stop); 708 /* Y-X Bottom Field Stop */ 709 reg_write(vip, DVP_BFS, b_stop); 710 /* Video Memory Pitch */ 711 reg_write(vip, DVP_VMP, pitch); 712 spin_unlock_irq(&vip->slock); 713 714 return 0; 715 } 716 717 /** 718 * vidioc_g_fmt_vid_cap - get current video format parameters 719 * @file: descriptor of device 720 * @f: contains format information 721 * 722 * returns current video format parameters 723 * 724 * return value: 0, always successful 725 */ 726 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 727 struct v4l2_format *f) 728 { 729 struct sta2x11_vip *vip = video_drvdata(file); 730 731 f->fmt.pix = vip->format; 732 733 return 0; 734 } 735 736 static const struct v4l2_ioctl_ops vip_ioctl_ops = { 737 .vidioc_querycap = vidioc_querycap, 738 /* FMT handling */ 739 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 740 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 741 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 742 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 743 /* Buffer handlers */ 744 .vidioc_create_bufs = vb2_ioctl_create_bufs, 745 .vidioc_prepare_buf = vb2_ioctl_prepare_buf, 746 .vidioc_reqbufs = vb2_ioctl_reqbufs, 747 .vidioc_querybuf = vb2_ioctl_querybuf, 748 .vidioc_qbuf = vb2_ioctl_qbuf, 749 .vidioc_dqbuf = vb2_ioctl_dqbuf, 750 /* Stream on/off */ 751 .vidioc_streamon = vb2_ioctl_streamon, 752 .vidioc_streamoff = vb2_ioctl_streamoff, 753 /* Standard handling */ 754 .vidioc_g_std = vidioc_g_std, 755 .vidioc_s_std = vidioc_s_std, 756 .vidioc_querystd = vidioc_querystd, 757 /* Input handling */ 758 .vidioc_enum_input = vidioc_enum_input, 759 .vidioc_g_input = vidioc_g_input, 760 .vidioc_s_input = vidioc_s_input, 761 /* Log status ioctl */ 762 .vidioc_log_status = v4l2_ctrl_log_status, 763 /* Event handling */ 764 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 765 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 766 }; 767 768 static struct video_device video_dev_template = { 769 .name = KBUILD_MODNAME, 770 .release = video_device_release_empty, 771 .fops = &vip_fops, 772 .ioctl_ops = &vip_ioctl_ops, 773 .tvnorms = V4L2_STD_ALL, 774 }; 775 776 /** 777 * vip_irq - interrupt routine 778 * @irq: Number of interrupt ( not used, correct number is assumed ) 779 * @vip: local data structure containing all information 780 * 781 * check for both frame interrupts set ( top and bottom ). 782 * check FIFO overflow, but limit number of log messages after open. 783 * signal a complete buffer if done 784 * 785 * return value: IRQ_NONE, interrupt was not generated by VIP 786 * 787 * IRQ_HANDLED, interrupt done. 788 */ 789 static irqreturn_t vip_irq(int irq, struct sta2x11_vip *vip) 790 { 791 unsigned int status; 792 793 status = reg_read(vip, DVP_ITS); 794 795 if (!status) /* No interrupt to handle */ 796 return IRQ_NONE; 797 798 if (status & DVP_IT_FIFO) 799 if (vip->overflow++ > 5) 800 pr_info("VIP: fifo overflow\n"); 801 802 if ((status & DVP_IT_VST) && (status & DVP_IT_VSB)) { 803 /* this is bad, we are too slow, hope the condition is gone 804 * on the next frame */ 805 return IRQ_HANDLED; 806 } 807 808 if (status & DVP_IT_VST) 809 if ((++vip->tcount) < 2) 810 return IRQ_HANDLED; 811 if (status & DVP_IT_VSB) { 812 vip->bcount++; 813 return IRQ_HANDLED; 814 } 815 816 if (vip->active) { /* Acquisition is over on this buffer */ 817 /* Disable acquisition */ 818 reg_write(vip, DVP_CTL, reg_read(vip, DVP_CTL) & ~DVP_CTL_ENA); 819 /* Remove the active buffer from the list */ 820 vip->active->vb.vb2_buf.timestamp = ktime_get_ns(); 821 vip->active->vb.sequence = vip->sequence++; 822 vb2_buffer_done(&vip->active->vb.vb2_buf, VB2_BUF_STATE_DONE); 823 } 824 825 return IRQ_HANDLED; 826 } 827 828 static void sta2x11_vip_init_register(struct sta2x11_vip *vip) 829 { 830 /* Register initialization */ 831 spin_lock_irq(&vip->slock); 832 /* Clean interrupt */ 833 reg_read(vip, DVP_ITS); 834 /* Enable Half Line per vertical */ 835 reg_write(vip, DVP_HLFLN, DVP_HLFLN_SD); 836 /* Reset VIP control */ 837 reg_write(vip, DVP_CTL, DVP_CTL_RST); 838 /* Clear VIP control */ 839 reg_write(vip, DVP_CTL, 0); 840 spin_unlock_irq(&vip->slock); 841 } 842 static void sta2x11_vip_clear_register(struct sta2x11_vip *vip) 843 { 844 spin_lock_irq(&vip->slock); 845 /* Disable interrupt */ 846 reg_write(vip, DVP_ITM, 0); 847 /* Reset VIP Control */ 848 reg_write(vip, DVP_CTL, DVP_CTL_RST); 849 /* Clear VIP Control */ 850 reg_write(vip, DVP_CTL, 0); 851 /* Clean VIP Interrupt */ 852 reg_read(vip, DVP_ITS); 853 spin_unlock_irq(&vip->slock); 854 } 855 static int sta2x11_vip_init_buffer(struct sta2x11_vip *vip) 856 { 857 int err; 858 859 err = dma_set_coherent_mask(&vip->pdev->dev, DMA_BIT_MASK(29)); 860 if (err) { 861 v4l2_err(&vip->v4l2_dev, "Cannot configure coherent mask"); 862 return err; 863 } 864 memset(&vip->vb_vidq, 0, sizeof(struct vb2_queue)); 865 vip->vb_vidq.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 866 vip->vb_vidq.io_modes = VB2_MMAP | VB2_READ; 867 vip->vb_vidq.drv_priv = vip; 868 vip->vb_vidq.buf_struct_size = sizeof(struct vip_buffer); 869 vip->vb_vidq.ops = &vip_video_qops; 870 vip->vb_vidq.mem_ops = &vb2_dma_contig_memops; 871 vip->vb_vidq.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 872 err = vb2_queue_init(&vip->vb_vidq); 873 if (err) 874 return err; 875 INIT_LIST_HEAD(&vip->buffer_list); 876 spin_lock_init(&vip->lock); 877 878 879 vip->alloc_ctx = vb2_dma_contig_init_ctx(&vip->pdev->dev); 880 if (IS_ERR(vip->alloc_ctx)) { 881 v4l2_err(&vip->v4l2_dev, "Can't allocate buffer context"); 882 return PTR_ERR(vip->alloc_ctx); 883 } 884 885 return 0; 886 } 887 static void sta2x11_vip_release_buffer(struct sta2x11_vip *vip) 888 { 889 vb2_dma_contig_cleanup_ctx(vip->alloc_ctx); 890 } 891 static int sta2x11_vip_init_controls(struct sta2x11_vip *vip) 892 { 893 /* 894 * Inititialize an empty control so VIP can inerithing controls 895 * from ADV7180 896 */ 897 v4l2_ctrl_handler_init(&vip->ctrl_hdl, 0); 898 899 vip->v4l2_dev.ctrl_handler = &vip->ctrl_hdl; 900 if (vip->ctrl_hdl.error) { 901 int err = vip->ctrl_hdl.error; 902 903 v4l2_ctrl_handler_free(&vip->ctrl_hdl); 904 return err; 905 } 906 907 return 0; 908 } 909 910 /** 911 * vip_gpio_reserve - reserve gpio pin 912 * @dev: device 913 * @pin: GPIO pin number 914 * @dir: direction, input or output 915 * @name: GPIO pin name 916 * 917 */ 918 static int vip_gpio_reserve(struct device *dev, int pin, int dir, 919 const char *name) 920 { 921 int ret; 922 923 if (pin == -1) 924 return 0; 925 926 ret = gpio_request(pin, name); 927 if (ret) { 928 dev_err(dev, "Failed to allocate pin %d (%s)\n", pin, name); 929 return ret; 930 } 931 932 ret = gpio_direction_output(pin, dir); 933 if (ret) { 934 dev_err(dev, "Failed to set direction for pin %d (%s)\n", 935 pin, name); 936 gpio_free(pin); 937 return ret; 938 } 939 940 ret = gpio_export(pin, false); 941 if (ret) { 942 dev_err(dev, "Failed to export pin %d (%s)\n", pin, name); 943 gpio_free(pin); 944 return ret; 945 } 946 947 return 0; 948 } 949 950 /** 951 * vip_gpio_release - release gpio pin 952 * @dev: device 953 * @pin: GPIO pin number 954 * @name: GPIO pin name 955 * 956 */ 957 static void vip_gpio_release(struct device *dev, int pin, const char *name) 958 { 959 if (pin != -1) { 960 dev_dbg(dev, "releasing pin %d (%s)\n", pin, name); 961 gpio_unexport(pin); 962 gpio_free(pin); 963 } 964 } 965 966 /** 967 * sta2x11_vip_init_one - init one instance of video device 968 * @pdev: PCI device 969 * @ent: (not used) 970 * 971 * allocate reset pins for DAC. 972 * Reset video DAC, this is done via reset line. 973 * allocate memory for managing device 974 * request interrupt 975 * map IO region 976 * register device 977 * find and initialize video DAC 978 * 979 * return value: 0, no error 980 * 981 * -ENOMEM, no memory 982 * 983 * -ENODEV, device could not be detected or registered 984 */ 985 static int sta2x11_vip_init_one(struct pci_dev *pdev, 986 const struct pci_device_id *ent) 987 { 988 int ret; 989 struct sta2x11_vip *vip; 990 struct vip_config *config; 991 992 /* Check if hardware support 26-bit DMA */ 993 if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(26))) { 994 dev_err(&pdev->dev, "26-bit DMA addressing not available\n"); 995 return -EINVAL; 996 } 997 /* Enable PCI */ 998 ret = pci_enable_device(pdev); 999 if (ret) 1000 return ret; 1001 1002 /* Get VIP platform data */ 1003 config = dev_get_platdata(&pdev->dev); 1004 if (!config) { 1005 dev_info(&pdev->dev, "VIP slot disabled\n"); 1006 ret = -EINVAL; 1007 goto disable; 1008 } 1009 1010 /* Power configuration */ 1011 ret = vip_gpio_reserve(&pdev->dev, config->pwr_pin, 0, 1012 config->pwr_name); 1013 if (ret) 1014 goto disable; 1015 1016 if (config->reset_pin >= 0) { 1017 ret = vip_gpio_reserve(&pdev->dev, config->reset_pin, 0, 1018 config->reset_name); 1019 if (ret) { 1020 vip_gpio_release(&pdev->dev, config->pwr_pin, 1021 config->pwr_name); 1022 goto disable; 1023 } 1024 } 1025 if (config->pwr_pin != -1) { 1026 /* Datasheet says 5ms between PWR and RST */ 1027 usleep_range(5000, 25000); 1028 ret = gpio_direction_output(config->pwr_pin, 1); 1029 } 1030 1031 if (config->reset_pin != -1) { 1032 /* Datasheet says 5ms between PWR and RST */ 1033 usleep_range(5000, 25000); 1034 ret = gpio_direction_output(config->reset_pin, 1); 1035 } 1036 usleep_range(5000, 25000); 1037 1038 /* Allocate a new VIP instance */ 1039 vip = kzalloc(sizeof(struct sta2x11_vip), GFP_KERNEL); 1040 if (!vip) { 1041 ret = -ENOMEM; 1042 goto release_gpios; 1043 } 1044 vip->pdev = pdev; 1045 vip->std = V4L2_STD_PAL; 1046 vip->format = formats_50[0]; 1047 vip->config = config; 1048 1049 ret = sta2x11_vip_init_controls(vip); 1050 if (ret) 1051 goto free_mem; 1052 ret = v4l2_device_register(&pdev->dev, &vip->v4l2_dev); 1053 if (ret) 1054 goto free_mem; 1055 1056 dev_dbg(&pdev->dev, "BAR #0 at 0x%lx 0x%lx irq %d\n", 1057 (unsigned long)pci_resource_start(pdev, 0), 1058 (unsigned long)pci_resource_len(pdev, 0), pdev->irq); 1059 1060 pci_set_master(pdev); 1061 1062 ret = pci_request_regions(pdev, KBUILD_MODNAME); 1063 if (ret) 1064 goto unreg; 1065 1066 vip->iomem = pci_iomap(pdev, 0, 0x100); 1067 if (!vip->iomem) { 1068 ret = -ENOMEM; 1069 goto release; 1070 } 1071 1072 pci_enable_msi(pdev); 1073 1074 /* Initialize buffer */ 1075 ret = sta2x11_vip_init_buffer(vip); 1076 if (ret) 1077 goto unmap; 1078 1079 spin_lock_init(&vip->slock); 1080 1081 ret = request_irq(pdev->irq, 1082 (irq_handler_t) vip_irq, 1083 IRQF_SHARED, KBUILD_MODNAME, vip); 1084 if (ret) { 1085 dev_err(&pdev->dev, "request_irq failed\n"); 1086 ret = -ENODEV; 1087 goto release_buf; 1088 } 1089 1090 /* Initialize and register video device */ 1091 vip->video_dev = video_dev_template; 1092 vip->video_dev.v4l2_dev = &vip->v4l2_dev; 1093 vip->video_dev.queue = &vip->vb_vidq; 1094 video_set_drvdata(&vip->video_dev, vip); 1095 1096 ret = video_register_device(&vip->video_dev, VFL_TYPE_GRABBER, -1); 1097 if (ret) 1098 goto vrelease; 1099 1100 /* Get ADV7180 subdevice */ 1101 vip->adapter = i2c_get_adapter(vip->config->i2c_id); 1102 if (!vip->adapter) { 1103 ret = -ENODEV; 1104 dev_err(&pdev->dev, "no I2C adapter found\n"); 1105 goto vunreg; 1106 } 1107 1108 vip->decoder = v4l2_i2c_new_subdev(&vip->v4l2_dev, vip->adapter, 1109 "adv7180", vip->config->i2c_addr, 1110 NULL); 1111 if (!vip->decoder) { 1112 ret = -ENODEV; 1113 dev_err(&pdev->dev, "no decoder found\n"); 1114 goto vunreg; 1115 } 1116 1117 i2c_put_adapter(vip->adapter); 1118 v4l2_subdev_call(vip->decoder, core, init, 0); 1119 1120 sta2x11_vip_init_register(vip); 1121 1122 dev_info(&pdev->dev, "STA2X11 Video Input Port (VIP) loaded\n"); 1123 return 0; 1124 1125 vunreg: 1126 video_set_drvdata(&vip->video_dev, NULL); 1127 vrelease: 1128 video_unregister_device(&vip->video_dev); 1129 free_irq(pdev->irq, vip); 1130 release_buf: 1131 sta2x11_vip_release_buffer(vip); 1132 pci_disable_msi(pdev); 1133 unmap: 1134 vb2_queue_release(&vip->vb_vidq); 1135 pci_iounmap(pdev, vip->iomem); 1136 release: 1137 pci_release_regions(pdev); 1138 unreg: 1139 v4l2_device_unregister(&vip->v4l2_dev); 1140 free_mem: 1141 kfree(vip); 1142 release_gpios: 1143 vip_gpio_release(&pdev->dev, config->reset_pin, config->reset_name); 1144 vip_gpio_release(&pdev->dev, config->pwr_pin, config->pwr_name); 1145 disable: 1146 /* 1147 * do not call pci_disable_device on sta2x11 because it break all 1148 * other Bus masters on this EP 1149 */ 1150 return ret; 1151 } 1152 1153 /** 1154 * sta2x11_vip_remove_one - release device 1155 * @pdev: PCI device 1156 * 1157 * Undo everything done in .._init_one 1158 * 1159 * unregister video device 1160 * free interrupt 1161 * unmap ioadresses 1162 * free memory 1163 * free GPIO pins 1164 */ 1165 static void sta2x11_vip_remove_one(struct pci_dev *pdev) 1166 { 1167 struct v4l2_device *v4l2_dev = pci_get_drvdata(pdev); 1168 struct sta2x11_vip *vip = 1169 container_of(v4l2_dev, struct sta2x11_vip, v4l2_dev); 1170 1171 sta2x11_vip_clear_register(vip); 1172 1173 video_set_drvdata(&vip->video_dev, NULL); 1174 video_unregister_device(&vip->video_dev); 1175 free_irq(pdev->irq, vip); 1176 pci_disable_msi(pdev); 1177 vb2_queue_release(&vip->vb_vidq); 1178 pci_iounmap(pdev, vip->iomem); 1179 pci_release_regions(pdev); 1180 1181 v4l2_device_unregister(&vip->v4l2_dev); 1182 1183 vip_gpio_release(&pdev->dev, vip->config->pwr_pin, 1184 vip->config->pwr_name); 1185 vip_gpio_release(&pdev->dev, vip->config->reset_pin, 1186 vip->config->reset_name); 1187 1188 kfree(vip); 1189 /* 1190 * do not call pci_disable_device on sta2x11 because it break all 1191 * other Bus masters on this EP 1192 */ 1193 } 1194 1195 #ifdef CONFIG_PM 1196 1197 /** 1198 * sta2x11_vip_suspend - set device into power save mode 1199 * @pdev: PCI device 1200 * @state: new state of device 1201 * 1202 * all relevant registers are saved and an attempt to set a new state is made. 1203 * 1204 * return value: 0 always indicate success, 1205 * even if device could not be disabled. (workaround for hardware problem) 1206 */ 1207 static int sta2x11_vip_suspend(struct pci_dev *pdev, pm_message_t state) 1208 { 1209 struct v4l2_device *v4l2_dev = pci_get_drvdata(pdev); 1210 struct sta2x11_vip *vip = 1211 container_of(v4l2_dev, struct sta2x11_vip, v4l2_dev); 1212 unsigned long flags; 1213 int i; 1214 1215 spin_lock_irqsave(&vip->slock, flags); 1216 vip->register_save_area[0] = reg_read(vip, DVP_CTL); 1217 reg_write(vip, DVP_CTL, vip->register_save_area[0] & DVP_CTL_DIS); 1218 vip->register_save_area[SAVE_COUNT] = reg_read(vip, DVP_ITM); 1219 reg_write(vip, DVP_ITM, 0); 1220 for (i = 1; i < SAVE_COUNT; i++) 1221 vip->register_save_area[i] = reg_read(vip, 4 * i); 1222 for (i = 0; i < AUX_COUNT; i++) 1223 vip->register_save_area[SAVE_COUNT + IRQ_COUNT + i] = 1224 reg_read(vip, registers_to_save[i]); 1225 spin_unlock_irqrestore(&vip->slock, flags); 1226 /* save pci state */ 1227 pci_save_state(pdev); 1228 if (pci_set_power_state(pdev, pci_choose_state(pdev, state))) { 1229 /* 1230 * do not call pci_disable_device on sta2x11 because it 1231 * break all other Bus masters on this EP 1232 */ 1233 vip->disabled = 1; 1234 } 1235 1236 pr_info("VIP: suspend\n"); 1237 return 0; 1238 } 1239 1240 /** 1241 * sta2x11_vip_resume - resume device operation 1242 * @pdev : PCI device 1243 * 1244 * re-enable device, set PCI state to powered and restore registers. 1245 * resume normal device operation afterwards. 1246 * 1247 * return value: 0, no error. 1248 * 1249 * other, could not set device to power on state. 1250 */ 1251 static int sta2x11_vip_resume(struct pci_dev *pdev) 1252 { 1253 struct v4l2_device *v4l2_dev = pci_get_drvdata(pdev); 1254 struct sta2x11_vip *vip = 1255 container_of(v4l2_dev, struct sta2x11_vip, v4l2_dev); 1256 unsigned long flags; 1257 int ret, i; 1258 1259 pr_info("VIP: resume\n"); 1260 /* restore pci state */ 1261 if (vip->disabled) { 1262 ret = pci_enable_device(pdev); 1263 if (ret) { 1264 pr_warn("VIP: Can't enable device.\n"); 1265 return ret; 1266 } 1267 vip->disabled = 0; 1268 } 1269 ret = pci_set_power_state(pdev, PCI_D0); 1270 if (ret) { 1271 /* 1272 * do not call pci_disable_device on sta2x11 because it 1273 * break all other Bus masters on this EP 1274 */ 1275 pr_warn("VIP: Can't enable device.\n"); 1276 vip->disabled = 1; 1277 return ret; 1278 } 1279 1280 pci_restore_state(pdev); 1281 1282 spin_lock_irqsave(&vip->slock, flags); 1283 for (i = 1; i < SAVE_COUNT; i++) 1284 reg_write(vip, 4 * i, vip->register_save_area[i]); 1285 for (i = 0; i < AUX_COUNT; i++) 1286 reg_write(vip, registers_to_save[i], 1287 vip->register_save_area[SAVE_COUNT + IRQ_COUNT + i]); 1288 reg_write(vip, DVP_CTL, vip->register_save_area[0]); 1289 reg_write(vip, DVP_ITM, vip->register_save_area[SAVE_COUNT]); 1290 spin_unlock_irqrestore(&vip->slock, flags); 1291 return 0; 1292 } 1293 1294 #endif 1295 1296 static const struct pci_device_id sta2x11_vip_pci_tbl[] = { 1297 {PCI_DEVICE(PCI_VENDOR_ID_STMICRO, PCI_DEVICE_ID_STMICRO_VIP)}, 1298 {0,} 1299 }; 1300 1301 static struct pci_driver sta2x11_vip_driver = { 1302 .name = KBUILD_MODNAME, 1303 .probe = sta2x11_vip_init_one, 1304 .remove = sta2x11_vip_remove_one, 1305 .id_table = sta2x11_vip_pci_tbl, 1306 #ifdef CONFIG_PM 1307 .suspend = sta2x11_vip_suspend, 1308 .resume = sta2x11_vip_resume, 1309 #endif 1310 }; 1311 1312 static int __init sta2x11_vip_init_module(void) 1313 { 1314 return pci_register_driver(&sta2x11_vip_driver); 1315 } 1316 1317 static void __exit sta2x11_vip_exit_module(void) 1318 { 1319 pci_unregister_driver(&sta2x11_vip_driver); 1320 } 1321 1322 #ifdef MODULE 1323 module_init(sta2x11_vip_init_module); 1324 module_exit(sta2x11_vip_exit_module); 1325 #else 1326 late_initcall_sync(sta2x11_vip_init_module); 1327 #endif 1328 1329 MODULE_DESCRIPTION("STA2X11 Video Input Port driver"); 1330 MODULE_AUTHOR("Wind River"); 1331 MODULE_LICENSE("GPL v2"); 1332 MODULE_SUPPORTED_DEVICE("sta2x11 video input"); 1333 MODULE_VERSION(DRV_VERSION); 1334 MODULE_DEVICE_TABLE(pci, sta2x11_vip_pci_tbl); 1335