Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1 | /* |
| 2 | * Auvitek AU0828 USB Bridge (Analog video support) |
| 3 | * |
| 4 | * Copyright (C) 2009 Devin Heitmueller <dheitmueller@linuxtv.org> |
| 5 | * Copyright (C) 2005-2008 Auvitek International, Ltd. |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License |
| 9 | * As published by the Free Software Foundation; either version 2 |
| 10 | * of the License, or (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 20 | * 02110-1301, USA. |
| 21 | */ |
| 22 | |
| 23 | /* Developer Notes: |
| 24 | * |
| 25 | * VBI support is not yet working |
| 26 | * The hardware scaler supported is unimplemented |
| 27 | * AC97 audio support is unimplemented (only i2s audio mode) |
| 28 | * |
| 29 | */ |
| 30 | |
| 31 | #include <linux/module.h> |
| 32 | #include <linux/init.h> |
| 33 | #include <linux/device.h> |
| 34 | #include <linux/suspend.h> |
| 35 | #include <linux/version.h> |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 36 | #include <media/v4l2-common.h> |
| 37 | #include <media/v4l2-ioctl.h> |
| 38 | #include <media/v4l2-chip-ident.h> |
| 39 | #include <media/tuner.h> |
| 40 | #include "au0828.h" |
| 41 | #include "au0828-reg.h" |
| 42 | |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 43 | static DEFINE_MUTEX(au0828_sysfs_lock); |
| 44 | |
| 45 | #define AU0828_VERSION_CODE KERNEL_VERSION(0, 0, 1) |
| 46 | |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 47 | /* ------------------------------------------------------------------ |
| 48 | Videobuf operations |
| 49 | ------------------------------------------------------------------*/ |
| 50 | |
| 51 | static unsigned int isoc_debug; |
| 52 | module_param(isoc_debug, int, 0644); |
| 53 | MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]"); |
| 54 | |
| 55 | #define au0828_isocdbg(fmt, arg...) \ |
| 56 | do {\ |
| 57 | if (isoc_debug) { \ |
| 58 | printk(KERN_INFO "au0828 %s :"fmt, \ |
| 59 | __func__ , ##arg); \ |
| 60 | } \ |
| 61 | } while (0) |
| 62 | |
| 63 | static inline void print_err_status(struct au0828_dev *dev, |
| 64 | int packet, int status) |
| 65 | { |
| 66 | char *errmsg = "Unknown"; |
| 67 | |
| 68 | switch (status) { |
| 69 | case -ENOENT: |
| 70 | errmsg = "unlinked synchronuously"; |
| 71 | break; |
| 72 | case -ECONNRESET: |
| 73 | errmsg = "unlinked asynchronuously"; |
| 74 | break; |
| 75 | case -ENOSR: |
| 76 | errmsg = "Buffer error (overrun)"; |
| 77 | break; |
| 78 | case -EPIPE: |
| 79 | errmsg = "Stalled (device not responding)"; |
| 80 | break; |
| 81 | case -EOVERFLOW: |
| 82 | errmsg = "Babble (bad cable?)"; |
| 83 | break; |
| 84 | case -EPROTO: |
| 85 | errmsg = "Bit-stuff error (bad cable?)"; |
| 86 | break; |
| 87 | case -EILSEQ: |
| 88 | errmsg = "CRC/Timeout (could be anything)"; |
| 89 | break; |
| 90 | case -ETIME: |
| 91 | errmsg = "Device does not respond"; |
| 92 | break; |
| 93 | } |
| 94 | if (packet < 0) { |
| 95 | au0828_isocdbg("URB status %d [%s].\n", status, errmsg); |
| 96 | } else { |
| 97 | au0828_isocdbg("URB packet %d, status %d [%s].\n", |
| 98 | packet, status, errmsg); |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | static int check_dev(struct au0828_dev *dev) |
| 103 | { |
| 104 | if (dev->dev_state & DEV_DISCONNECTED) { |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 105 | printk(KERN_INFO "v4l2 ioctl: device not present\n"); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 106 | return -ENODEV; |
| 107 | } |
| 108 | |
| 109 | if (dev->dev_state & DEV_MISCONFIGURED) { |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 110 | printk(KERN_INFO "v4l2 ioctl: device is misconfigured; " |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 111 | "close and open it again\n"); |
| 112 | return -EIO; |
| 113 | } |
| 114 | return 0; |
| 115 | } |
| 116 | |
| 117 | /* |
| 118 | * IRQ callback, called by URB callback |
| 119 | */ |
| 120 | static void au0828_irq_callback(struct urb *urb) |
| 121 | { |
| 122 | struct au0828_dmaqueue *dma_q = urb->context; |
| 123 | struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vidq); |
| 124 | int rc, i; |
| 125 | |
| 126 | switch (urb->status) { |
| 127 | case 0: /* success */ |
| 128 | case -ETIMEDOUT: /* NAK */ |
| 129 | break; |
| 130 | case -ECONNRESET: /* kill */ |
| 131 | case -ENOENT: |
| 132 | case -ESHUTDOWN: |
| 133 | au0828_isocdbg("au0828_irq_callback called: status kill\n"); |
| 134 | return; |
| 135 | default: /* unknown error */ |
| 136 | au0828_isocdbg("urb completition error %d.\n", urb->status); |
| 137 | break; |
| 138 | } |
| 139 | |
| 140 | /* Copy data from URB */ |
| 141 | spin_lock(&dev->slock); |
| 142 | rc = dev->isoc_ctl.isoc_copy(dev, urb); |
| 143 | spin_unlock(&dev->slock); |
| 144 | |
| 145 | /* Reset urb buffers */ |
| 146 | for (i = 0; i < urb->number_of_packets; i++) { |
| 147 | urb->iso_frame_desc[i].status = 0; |
| 148 | urb->iso_frame_desc[i].actual_length = 0; |
| 149 | } |
| 150 | urb->status = 0; |
| 151 | |
| 152 | urb->status = usb_submit_urb(urb, GFP_ATOMIC); |
| 153 | if (urb->status) { |
| 154 | au0828_isocdbg("urb resubmit failed (error=%i)\n", |
| 155 | urb->status); |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | /* |
| 160 | * Stop and Deallocate URBs |
| 161 | */ |
| 162 | void au0828_uninit_isoc(struct au0828_dev *dev) |
| 163 | { |
| 164 | struct urb *urb; |
| 165 | int i; |
| 166 | |
| 167 | au0828_isocdbg("au0828: called au0828_uninit_isoc\n"); |
| 168 | |
| 169 | dev->isoc_ctl.nfields = -1; |
| 170 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { |
| 171 | urb = dev->isoc_ctl.urb[i]; |
| 172 | if (urb) { |
| 173 | if (!irqs_disabled()) |
| 174 | usb_kill_urb(urb); |
| 175 | else |
| 176 | usb_unlink_urb(urb); |
| 177 | |
| 178 | if (dev->isoc_ctl.transfer_buffer[i]) { |
| 179 | usb_buffer_free(dev->usbdev, |
| 180 | urb->transfer_buffer_length, |
| 181 | dev->isoc_ctl.transfer_buffer[i], |
| 182 | urb->transfer_dma); |
| 183 | } |
| 184 | usb_free_urb(urb); |
| 185 | dev->isoc_ctl.urb[i] = NULL; |
| 186 | } |
| 187 | dev->isoc_ctl.transfer_buffer[i] = NULL; |
| 188 | } |
| 189 | |
| 190 | kfree(dev->isoc_ctl.urb); |
| 191 | kfree(dev->isoc_ctl.transfer_buffer); |
| 192 | |
| 193 | dev->isoc_ctl.urb = NULL; |
| 194 | dev->isoc_ctl.transfer_buffer = NULL; |
| 195 | dev->isoc_ctl.num_bufs = 0; |
| 196 | } |
| 197 | |
| 198 | /* |
| 199 | * Allocate URBs and start IRQ |
| 200 | */ |
| 201 | int au0828_init_isoc(struct au0828_dev *dev, int max_packets, |
| 202 | int num_bufs, int max_pkt_size, |
| 203 | int (*isoc_copy) (struct au0828_dev *dev, struct urb *urb)) |
| 204 | { |
| 205 | struct au0828_dmaqueue *dma_q = &dev->vidq; |
| 206 | int i; |
| 207 | int sb_size, pipe; |
| 208 | struct urb *urb; |
| 209 | int j, k; |
| 210 | int rc; |
| 211 | |
| 212 | au0828_isocdbg("au0828: called au0828_prepare_isoc\n"); |
| 213 | |
| 214 | /* De-allocates all pending stuff */ |
| 215 | au0828_uninit_isoc(dev); |
| 216 | |
| 217 | dev->isoc_ctl.isoc_copy = isoc_copy; |
| 218 | dev->isoc_ctl.num_bufs = num_bufs; |
| 219 | |
| 220 | dev->isoc_ctl.urb = kzalloc(sizeof(void *)*num_bufs, GFP_KERNEL); |
| 221 | if (!dev->isoc_ctl.urb) { |
| 222 | au0828_isocdbg("cannot alloc memory for usb buffers\n"); |
| 223 | return -ENOMEM; |
| 224 | } |
| 225 | |
| 226 | dev->isoc_ctl.transfer_buffer = kzalloc(sizeof(void *)*num_bufs, |
| 227 | GFP_KERNEL); |
| 228 | if (!dev->isoc_ctl.transfer_buffer) { |
| 229 | au0828_isocdbg("cannot allocate memory for usb transfer\n"); |
| 230 | kfree(dev->isoc_ctl.urb); |
| 231 | return -ENOMEM; |
| 232 | } |
| 233 | |
| 234 | dev->isoc_ctl.max_pkt_size = max_pkt_size; |
| 235 | dev->isoc_ctl.buf = NULL; |
| 236 | |
| 237 | sb_size = max_packets * dev->isoc_ctl.max_pkt_size; |
| 238 | |
| 239 | /* allocate urbs and transfer buffers */ |
| 240 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { |
| 241 | urb = usb_alloc_urb(max_packets, GFP_KERNEL); |
| 242 | if (!urb) { |
| 243 | au0828_isocdbg("cannot alloc isoc_ctl.urb %i\n", i); |
| 244 | au0828_uninit_isoc(dev); |
| 245 | return -ENOMEM; |
| 246 | } |
| 247 | dev->isoc_ctl.urb[i] = urb; |
| 248 | |
| 249 | dev->isoc_ctl.transfer_buffer[i] = usb_buffer_alloc(dev->usbdev, |
| 250 | sb_size, GFP_KERNEL, &urb->transfer_dma); |
| 251 | if (!dev->isoc_ctl.transfer_buffer[i]) { |
| 252 | printk("unable to allocate %i bytes for transfer" |
| 253 | " buffer %i%s\n", |
| 254 | sb_size, i, |
| 255 | in_interrupt() ? " while in int" : ""); |
| 256 | au0828_uninit_isoc(dev); |
| 257 | return -ENOMEM; |
| 258 | } |
| 259 | memset(dev->isoc_ctl.transfer_buffer[i], 0, sb_size); |
| 260 | |
| 261 | pipe = usb_rcvisocpipe(dev->usbdev, |
| 262 | dev->isoc_in_endpointaddr), |
| 263 | |
| 264 | usb_fill_int_urb(urb, dev->usbdev, pipe, |
| 265 | dev->isoc_ctl.transfer_buffer[i], sb_size, |
| 266 | au0828_irq_callback, dma_q, 1); |
| 267 | |
| 268 | urb->number_of_packets = max_packets; |
Devin Heitmueller | fadadb7 | 2009-03-22 23:42:26 -0300 | [diff] [blame] | 269 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 270 | |
| 271 | k = 0; |
| 272 | for (j = 0; j < max_packets; j++) { |
| 273 | urb->iso_frame_desc[j].offset = k; |
| 274 | urb->iso_frame_desc[j].length = |
| 275 | dev->isoc_ctl.max_pkt_size; |
| 276 | k += dev->isoc_ctl.max_pkt_size; |
| 277 | } |
| 278 | } |
| 279 | |
| 280 | init_waitqueue_head(&dma_q->wq); |
| 281 | |
| 282 | /* submit urbs and enables IRQ */ |
| 283 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { |
| 284 | rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC); |
| 285 | if (rc) { |
| 286 | au0828_isocdbg("submit of urb %i failed (error=%i)\n", |
| 287 | i, rc); |
| 288 | au0828_uninit_isoc(dev); |
| 289 | return rc; |
| 290 | } |
| 291 | } |
| 292 | |
| 293 | return 0; |
| 294 | } |
| 295 | |
| 296 | /* |
| 297 | * Announces that a buffer were filled and request the next |
| 298 | */ |
| 299 | static inline void buffer_filled(struct au0828_dev *dev, |
| 300 | struct au0828_dmaqueue *dma_q, |
| 301 | struct au0828_buffer *buf) |
| 302 | { |
| 303 | /* Advice that buffer was filled */ |
| 304 | au0828_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); |
| 305 | |
| 306 | buf->vb.state = VIDEOBUF_DONE; |
| 307 | buf->vb.field_count++; |
| 308 | do_gettimeofday(&buf->vb.ts); |
| 309 | |
| 310 | dev->isoc_ctl.buf = NULL; |
| 311 | |
| 312 | list_del(&buf->vb.queue); |
| 313 | wake_up(&buf->vb.done); |
| 314 | } |
| 315 | |
| 316 | /* |
| 317 | * Identify the buffer header type and properly handles |
| 318 | */ |
| 319 | static void au0828_copy_video(struct au0828_dev *dev, |
| 320 | struct au0828_dmaqueue *dma_q, |
| 321 | struct au0828_buffer *buf, |
| 322 | unsigned char *p, |
| 323 | unsigned char *outp, unsigned long len) |
| 324 | { |
| 325 | void *fieldstart, *startwrite, *startread; |
| 326 | int linesdone, currlinedone, offset, lencopy, remain; |
| 327 | int bytesperline = dev->width << 1; /* Assumes 16-bit depth @@@@ */ |
| 328 | |
| 329 | if (dma_q->pos + len > buf->vb.size) |
| 330 | len = buf->vb.size - dma_q->pos; |
| 331 | |
| 332 | startread = p; |
| 333 | remain = len; |
| 334 | |
| 335 | /* Interlaces frame */ |
| 336 | if (buf->top_field) |
| 337 | fieldstart = outp; |
| 338 | else |
| 339 | fieldstart = outp + bytesperline; |
| 340 | |
| 341 | linesdone = dma_q->pos / bytesperline; |
| 342 | currlinedone = dma_q->pos % bytesperline; |
| 343 | offset = linesdone * bytesperline * 2 + currlinedone; |
| 344 | startwrite = fieldstart + offset; |
| 345 | lencopy = bytesperline - currlinedone; |
| 346 | lencopy = lencopy > remain ? remain : lencopy; |
| 347 | |
| 348 | if ((char *)startwrite + lencopy > (char *)outp + buf->vb.size) { |
| 349 | au0828_isocdbg("Overflow of %zi bytes past buffer end (1)\n", |
| 350 | ((char *)startwrite + lencopy) - |
| 351 | ((char *)outp + buf->vb.size)); |
| 352 | remain = (char *)outp + buf->vb.size - (char *)startwrite; |
| 353 | lencopy = remain; |
| 354 | } |
| 355 | if (lencopy <= 0) |
| 356 | return; |
| 357 | memcpy(startwrite, startread, lencopy); |
| 358 | |
| 359 | remain -= lencopy; |
| 360 | |
| 361 | while (remain > 0) { |
| 362 | startwrite += lencopy + bytesperline; |
| 363 | startread += lencopy; |
| 364 | if (bytesperline > remain) |
| 365 | lencopy = remain; |
| 366 | else |
| 367 | lencopy = bytesperline; |
| 368 | |
| 369 | if ((char *)startwrite + lencopy > (char *)outp + |
| 370 | buf->vb.size) { |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 371 | au0828_isocdbg("Overflow %zi bytes past buf end (2)\n", |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 372 | ((char *)startwrite + lencopy) - |
| 373 | ((char *)outp + buf->vb.size)); |
| 374 | lencopy = remain = (char *)outp + buf->vb.size - |
| 375 | (char *)startwrite; |
| 376 | } |
| 377 | if (lencopy <= 0) |
| 378 | break; |
| 379 | |
| 380 | memcpy(startwrite, startread, lencopy); |
| 381 | |
| 382 | remain -= lencopy; |
| 383 | } |
| 384 | |
| 385 | if (offset > 1440) { |
| 386 | /* We have enough data to check for greenscreen */ |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 387 | if (outp[0] < 0x60 && outp[1440] < 0x60) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 388 | dev->greenscreen_detected = 1; |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 389 | } |
| 390 | |
| 391 | dma_q->pos += len; |
| 392 | } |
| 393 | |
| 394 | /* |
| 395 | * video-buf generic routine to get the next available buffer |
| 396 | */ |
| 397 | static inline void get_next_buf(struct au0828_dmaqueue *dma_q, |
| 398 | struct au0828_buffer **buf) |
| 399 | { |
| 400 | struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vidq); |
| 401 | |
| 402 | if (list_empty(&dma_q->active)) { |
| 403 | au0828_isocdbg("No active queue to serve\n"); |
| 404 | dev->isoc_ctl.buf = NULL; |
| 405 | *buf = NULL; |
| 406 | return; |
| 407 | } |
| 408 | |
| 409 | /* Get the next buffer */ |
| 410 | *buf = list_entry(dma_q->active.next, struct au0828_buffer, vb.queue); |
| 411 | dev->isoc_ctl.buf = *buf; |
| 412 | |
| 413 | return; |
| 414 | } |
| 415 | |
| 416 | /* |
| 417 | * Controls the isoc copy of each urb packet |
| 418 | */ |
| 419 | static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb) |
| 420 | { |
| 421 | struct au0828_buffer *buf; |
| 422 | struct au0828_dmaqueue *dma_q = urb->context; |
| 423 | unsigned char *outp = NULL; |
| 424 | int i, len = 0, rc = 1; |
| 425 | unsigned char *p; |
| 426 | unsigned char fbyte; |
| 427 | |
| 428 | if (!dev) |
| 429 | return 0; |
| 430 | |
| 431 | if ((dev->dev_state & DEV_DISCONNECTED) || |
| 432 | (dev->dev_state & DEV_MISCONFIGURED)) |
| 433 | return 0; |
| 434 | |
| 435 | if (urb->status < 0) { |
| 436 | print_err_status(dev, -1, urb->status); |
| 437 | if (urb->status == -ENOENT) |
| 438 | return 0; |
| 439 | } |
| 440 | |
| 441 | buf = dev->isoc_ctl.buf; |
| 442 | if (buf != NULL) |
| 443 | outp = videobuf_to_vmalloc(&buf->vb); |
| 444 | |
| 445 | for (i = 0; i < urb->number_of_packets; i++) { |
| 446 | int status = urb->iso_frame_desc[i].status; |
| 447 | |
| 448 | if (status < 0) { |
| 449 | print_err_status(dev, i, status); |
| 450 | if (urb->iso_frame_desc[i].status != -EPROTO) |
| 451 | continue; |
| 452 | } |
| 453 | |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 454 | if (urb->iso_frame_desc[i].actual_length <= 0) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 455 | continue; |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 456 | |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 457 | if (urb->iso_frame_desc[i].actual_length > |
| 458 | dev->max_pkt_size) { |
| 459 | au0828_isocdbg("packet bigger than packet size"); |
| 460 | continue; |
| 461 | } |
| 462 | |
| 463 | p = urb->transfer_buffer + urb->iso_frame_desc[i].offset; |
| 464 | fbyte = p[0]; |
| 465 | len = urb->iso_frame_desc[i].actual_length - 4; |
| 466 | p += 4; |
| 467 | |
| 468 | if (fbyte & 0x80) { |
| 469 | len -= 4; |
| 470 | p += 4; |
| 471 | au0828_isocdbg("Video frame %s\n", |
| 472 | (fbyte & 0x40) ? "odd" : "even"); |
| 473 | if (!(fbyte & 0x40)) { |
| 474 | if (buf != NULL) |
| 475 | buffer_filled(dev, dma_q, buf); |
| 476 | get_next_buf(dma_q, &buf); |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 477 | if (buf == NULL) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 478 | outp = NULL; |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 479 | else |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 480 | outp = videobuf_to_vmalloc(&buf->vb); |
| 481 | } |
| 482 | |
| 483 | if (buf != NULL) { |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 484 | if (fbyte & 0x40) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 485 | buf->top_field = 1; |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 486 | else |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 487 | buf->top_field = 0; |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 488 | } |
| 489 | |
| 490 | dma_q->pos = 0; |
| 491 | } |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 492 | if (buf != NULL) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 493 | au0828_copy_video(dev, dma_q, buf, p, outp, len); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 494 | } |
| 495 | return rc; |
| 496 | } |
| 497 | |
| 498 | static int |
| 499 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, |
| 500 | unsigned int *size) |
| 501 | { |
| 502 | struct au0828_fh *fh = vq->priv_data; |
| 503 | *size = (fh->dev->width * fh->dev->height * 16 + 7) >> 3; |
| 504 | |
| 505 | if (0 == *count) |
| 506 | *count = AU0828_DEF_BUF; |
| 507 | |
| 508 | if (*count < AU0828_MIN_BUF) |
| 509 | *count = AU0828_MIN_BUF; |
| 510 | return 0; |
| 511 | } |
| 512 | |
| 513 | /* This is called *without* dev->slock held; please keep it that way */ |
| 514 | static void free_buffer(struct videobuf_queue *vq, struct au0828_buffer *buf) |
| 515 | { |
| 516 | struct au0828_fh *fh = vq->priv_data; |
| 517 | struct au0828_dev *dev = fh->dev; |
| 518 | unsigned long flags = 0; |
| 519 | if (in_interrupt()) |
| 520 | BUG(); |
| 521 | |
| 522 | /* We used to wait for the buffer to finish here, but this didn't work |
| 523 | because, as we were keeping the state as VIDEOBUF_QUEUED, |
| 524 | videobuf_queue_cancel marked it as finished for us. |
| 525 | (Also, it could wedge forever if the hardware was misconfigured.) |
| 526 | |
| 527 | This should be safe; by the time we get here, the buffer isn't |
| 528 | queued anymore. If we ever start marking the buffers as |
| 529 | VIDEOBUF_ACTIVE, it won't be, though. |
| 530 | */ |
| 531 | spin_lock_irqsave(&dev->slock, flags); |
| 532 | if (dev->isoc_ctl.buf == buf) |
| 533 | dev->isoc_ctl.buf = NULL; |
| 534 | spin_unlock_irqrestore(&dev->slock, flags); |
| 535 | |
| 536 | videobuf_vmalloc_free(&buf->vb); |
| 537 | buf->vb.state = VIDEOBUF_NEEDS_INIT; |
| 538 | } |
| 539 | |
| 540 | static int |
| 541 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, |
| 542 | enum v4l2_field field) |
| 543 | { |
| 544 | struct au0828_fh *fh = vq->priv_data; |
| 545 | struct au0828_buffer *buf = container_of(vb, struct au0828_buffer, vb); |
| 546 | struct au0828_dev *dev = fh->dev; |
| 547 | int rc = 0, urb_init = 0; |
| 548 | |
| 549 | buf->vb.size = (fh->dev->width * fh->dev->height * 16 + 7) >> 3; |
| 550 | |
| 551 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) |
| 552 | return -EINVAL; |
| 553 | |
| 554 | buf->vb.width = dev->width; |
| 555 | buf->vb.height = dev->height; |
| 556 | buf->vb.field = field; |
| 557 | |
| 558 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { |
| 559 | rc = videobuf_iolock(vq, &buf->vb, NULL); |
| 560 | if (rc < 0) { |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 561 | printk(KERN_INFO "videobuf_iolock failed\n"); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 562 | goto fail; |
| 563 | } |
| 564 | } |
| 565 | |
| 566 | if (!dev->isoc_ctl.num_bufs) |
| 567 | urb_init = 1; |
| 568 | |
| 569 | if (urb_init) { |
| 570 | rc = au0828_init_isoc(dev, AU0828_ISO_PACKETS_PER_URB, |
| 571 | AU0828_MAX_ISO_BUFS, dev->max_pkt_size, |
| 572 | au0828_isoc_copy); |
| 573 | if (rc < 0) { |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 574 | printk(KERN_INFO "au0828_init_isoc failed\n"); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 575 | goto fail; |
| 576 | } |
| 577 | } |
| 578 | |
| 579 | buf->vb.state = VIDEOBUF_PREPARED; |
| 580 | return 0; |
| 581 | |
| 582 | fail: |
| 583 | free_buffer(vq, buf); |
| 584 | return rc; |
| 585 | } |
| 586 | |
| 587 | static void |
| 588 | buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) |
| 589 | { |
| 590 | struct au0828_buffer *buf = container_of(vb, |
| 591 | struct au0828_buffer, |
| 592 | vb); |
| 593 | struct au0828_fh *fh = vq->priv_data; |
| 594 | struct au0828_dev *dev = fh->dev; |
| 595 | struct au0828_dmaqueue *vidq = &dev->vidq; |
| 596 | |
| 597 | buf->vb.state = VIDEOBUF_QUEUED; |
| 598 | list_add_tail(&buf->vb.queue, &vidq->active); |
| 599 | } |
| 600 | |
| 601 | static void buffer_release(struct videobuf_queue *vq, |
| 602 | struct videobuf_buffer *vb) |
| 603 | { |
| 604 | struct au0828_buffer *buf = container_of(vb, |
| 605 | struct au0828_buffer, |
| 606 | vb); |
| 607 | |
| 608 | free_buffer(vq, buf); |
| 609 | } |
| 610 | |
| 611 | static struct videobuf_queue_ops au0828_video_qops = { |
| 612 | .buf_setup = buffer_setup, |
| 613 | .buf_prepare = buffer_prepare, |
| 614 | .buf_queue = buffer_queue, |
| 615 | .buf_release = buffer_release, |
| 616 | }; |
| 617 | |
| 618 | /* ------------------------------------------------------------------ |
| 619 | V4L2 interface |
| 620 | ------------------------------------------------------------------*/ |
| 621 | |
| 622 | static int au0828_i2s_init(struct au0828_dev *dev) |
| 623 | { |
| 624 | /* Enable i2s mode */ |
| 625 | au0828_writereg(dev, AU0828_AUDIOCTRL_50C, 0x01); |
| 626 | return 0; |
| 627 | } |
| 628 | |
| 629 | /* |
| 630 | * Auvitek au0828 analog stream enable |
| 631 | * Please set interface0 to AS5 before enable the stream |
| 632 | */ |
| 633 | int au0828_analog_stream_enable(struct au0828_dev *d) |
| 634 | { |
| 635 | dprintk(1, "au0828_analog_stream_enable called\n"); |
| 636 | au0828_writereg(d, AU0828_SENSORCTRL_VBI_103, 0x00); |
| 637 | au0828_writereg(d, 0x106, 0x00); |
| 638 | /* set x position */ |
| 639 | au0828_writereg(d, 0x110, 0x00); |
| 640 | au0828_writereg(d, 0x111, 0x00); |
| 641 | au0828_writereg(d, 0x114, 0xa0); |
| 642 | au0828_writereg(d, 0x115, 0x05); |
| 643 | /* set y position */ |
| 644 | au0828_writereg(d, 0x112, 0x02); |
| 645 | au0828_writereg(d, 0x113, 0x00); |
| 646 | au0828_writereg(d, 0x116, 0xf2); |
| 647 | au0828_writereg(d, 0x117, 0x00); |
| 648 | au0828_writereg(d, AU0828_SENSORCTRL_100, 0xb3); |
| 649 | |
| 650 | return 0; |
| 651 | } |
| 652 | |
| 653 | int au0828_analog_stream_disable(struct au0828_dev *d) |
| 654 | { |
| 655 | dprintk(1, "au0828_analog_stream_disable called\n"); |
| 656 | au0828_writereg(d, AU0828_SENSORCTRL_100, 0x0); |
| 657 | return 0; |
| 658 | } |
| 659 | |
| 660 | void au0828_analog_stream_reset(struct au0828_dev *dev) |
| 661 | { |
| 662 | dprintk(1, "au0828_analog_stream_reset called\n"); |
| 663 | au0828_writereg(dev, AU0828_SENSORCTRL_100, 0x0); |
| 664 | mdelay(30); |
| 665 | au0828_writereg(dev, AU0828_SENSORCTRL_100, 0xb3); |
| 666 | } |
| 667 | |
| 668 | /* |
| 669 | * Some operations needs to stop current streaming |
| 670 | */ |
| 671 | static int au0828_stream_interrupt(struct au0828_dev *dev) |
| 672 | { |
| 673 | int ret = 0; |
| 674 | |
| 675 | dev->stream_state = STREAM_INTERRUPT; |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 676 | if (dev->dev_state == DEV_DISCONNECTED) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 677 | return -ENODEV; |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 678 | else if (ret) { |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 679 | dev->dev_state = DEV_MISCONFIGURED; |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 680 | dprintk(1, "%s device is misconfigured!\n", __func__); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 681 | return ret; |
| 682 | } |
| 683 | return 0; |
| 684 | } |
| 685 | |
| 686 | /* |
| 687 | * au0828_release_resources |
| 688 | * unregister v4l2 devices |
| 689 | */ |
| 690 | void au0828_analog_unregister(struct au0828_dev *dev) |
| 691 | { |
| 692 | dprintk(1, "au0828_release_resources called\n"); |
| 693 | mutex_lock(&au0828_sysfs_lock); |
| 694 | |
Laurent Pinchart | 63b0d5a | 2009-12-10 11:44:04 -0200 | [diff] [blame] | 695 | if (dev->vdev) |
Devin Heitmueller | 5a5a4e1 | 2009-03-11 03:00:55 -0300 | [diff] [blame] | 696 | video_unregister_device(dev->vdev); |
| 697 | if (dev->vbi_dev) |
| 698 | video_unregister_device(dev->vbi_dev); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 699 | |
| 700 | mutex_unlock(&au0828_sysfs_lock); |
| 701 | } |
| 702 | |
| 703 | |
| 704 | /* Usage lock check functions */ |
| 705 | static int res_get(struct au0828_fh *fh) |
| 706 | { |
| 707 | struct au0828_dev *dev = fh->dev; |
| 708 | int rc = 0; |
| 709 | |
| 710 | /* This instance already has stream_on */ |
| 711 | if (fh->stream_on) |
| 712 | return rc; |
| 713 | |
| 714 | if (dev->stream_on) |
| 715 | return -EBUSY; |
| 716 | |
| 717 | dev->stream_on = 1; |
| 718 | fh->stream_on = 1; |
| 719 | return rc; |
| 720 | } |
| 721 | |
| 722 | static int res_check(struct au0828_fh *fh) |
| 723 | { |
| 724 | return fh->stream_on; |
| 725 | } |
| 726 | |
| 727 | static void res_free(struct au0828_fh *fh) |
| 728 | { |
| 729 | struct au0828_dev *dev = fh->dev; |
| 730 | |
| 731 | fh->stream_on = 0; |
| 732 | dev->stream_on = 0; |
| 733 | } |
| 734 | |
| 735 | static int au0828_v4l2_open(struct file *filp) |
| 736 | { |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 737 | int ret = 0; |
Laurent Pinchart | 63b0d5a | 2009-12-10 11:44:04 -0200 | [diff] [blame] | 738 | struct au0828_dev *dev = video_drvdata(filp); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 739 | struct au0828_fh *fh; |
Laurent Pinchart | 63b0d5a | 2009-12-10 11:44:04 -0200 | [diff] [blame] | 740 | int type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 741 | |
Devin Heitmueller | dd27ade | 2009-03-15 18:52:10 -0300 | [diff] [blame] | 742 | #ifdef VBI_IS_WORKING |
Laurent Pinchart | 63b0d5a | 2009-12-10 11:44:04 -0200 | [diff] [blame] | 743 | if (video_devdata(filp)->vfl_type == VFL_TYPE_GRABBER) |
| 744 | type = V4L2_BUF_TYPE_VBI_CAPTURE; |
Devin Heitmueller | 5a5a4e1 | 2009-03-11 03:00:55 -0300 | [diff] [blame] | 745 | #endif |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 746 | |
| 747 | fh = kzalloc(sizeof(struct au0828_fh), GFP_KERNEL); |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 748 | if (NULL == fh) { |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 749 | dprintk(1, "Failed allocate au0828_fh struct!\n"); |
| 750 | return -ENOMEM; |
| 751 | } |
| 752 | |
| 753 | fh->type = type; |
| 754 | fh->dev = dev; |
| 755 | filp->private_data = fh; |
| 756 | |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 757 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) { |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 758 | /* set au0828 interface0 to AS5 here again */ |
| 759 | ret = usb_set_interface(dev->usbdev, 0, 5); |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 760 | if (ret < 0) { |
| 761 | printk(KERN_INFO "Au0828 can't set alternate to 5!\n"); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 762 | return -EBUSY; |
| 763 | } |
| 764 | dev->width = NTSC_STD_W; |
| 765 | dev->height = NTSC_STD_H; |
| 766 | dev->frame_size = dev->width * dev->height * 2; |
| 767 | dev->field_size = dev->width * dev->height; |
| 768 | dev->bytesperline = dev->width * 2; |
| 769 | |
| 770 | au0828_analog_stream_enable(dev); |
| 771 | au0828_analog_stream_reset(dev); |
| 772 | |
| 773 | /* If we were doing ac97 instead of i2s, it would go here...*/ |
| 774 | au0828_i2s_init(dev); |
| 775 | |
| 776 | dev->stream_state = STREAM_OFF; |
| 777 | dev->dev_state |= DEV_INITIALIZED; |
| 778 | } |
| 779 | |
| 780 | dev->users++; |
| 781 | |
| 782 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &au0828_video_qops, |
| 783 | NULL, &dev->slock, fh->type, |
| 784 | V4L2_FIELD_INTERLACED, |
| 785 | sizeof(struct au0828_buffer), fh); |
| 786 | |
| 787 | return ret; |
| 788 | } |
| 789 | |
| 790 | static int au0828_v4l2_close(struct file *filp) |
| 791 | { |
| 792 | int ret; |
| 793 | struct au0828_fh *fh = filp->private_data; |
| 794 | struct au0828_dev *dev = fh->dev; |
| 795 | |
| 796 | mutex_lock(&dev->lock); |
| 797 | if (res_check(fh)) |
| 798 | res_free(fh); |
| 799 | |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 800 | if (dev->users == 1) { |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 801 | videobuf_stop(&fh->vb_vidq); |
| 802 | videobuf_mmap_free(&fh->vb_vidq); |
| 803 | |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 804 | if (dev->dev_state & DEV_DISCONNECTED) { |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 805 | au0828_analog_unregister(dev); |
| 806 | mutex_unlock(&dev->lock); |
| 807 | kfree(dev); |
| 808 | return 0; |
| 809 | } |
| 810 | |
| 811 | au0828_analog_stream_disable(dev); |
| 812 | |
| 813 | au0828_uninit_isoc(dev); |
| 814 | |
Devin Heitmueller | e4b8bc5 | 2009-05-06 20:54:00 -0300 | [diff] [blame] | 815 | /* Save some power by putting tuner to sleep */ |
Laurent Pinchart | 622b828 | 2009-10-05 10:48:17 -0300 | [diff] [blame] | 816 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_power, 0); |
Devin Heitmueller | e4b8bc5 | 2009-05-06 20:54:00 -0300 | [diff] [blame] | 817 | |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 818 | /* When close the device, set the usb intf0 into alt0 to free |
| 819 | USB bandwidth */ |
| 820 | ret = usb_set_interface(dev->usbdev, 0, 0); |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 821 | if (ret < 0) |
| 822 | printk(KERN_INFO "Au0828 can't set alternate to 0!\n"); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 823 | } |
| 824 | |
| 825 | kfree(fh); |
| 826 | dev->users--; |
| 827 | wake_up_interruptible_nr(&dev->open, 1); |
| 828 | mutex_unlock(&dev->lock); |
| 829 | return 0; |
| 830 | } |
| 831 | |
| 832 | static ssize_t au0828_v4l2_read(struct file *filp, char __user *buf, |
| 833 | size_t count, loff_t *pos) |
| 834 | { |
| 835 | struct au0828_fh *fh = filp->private_data; |
| 836 | struct au0828_dev *dev = fh->dev; |
| 837 | int rc; |
| 838 | |
| 839 | rc = check_dev(dev); |
| 840 | if (rc < 0) |
| 841 | return rc; |
| 842 | |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 843 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 844 | mutex_lock(&dev->lock); |
| 845 | rc = res_get(fh); |
| 846 | mutex_unlock(&dev->lock); |
| 847 | |
| 848 | if (unlikely(rc < 0)) |
| 849 | return rc; |
| 850 | |
| 851 | return videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0, |
| 852 | filp->f_flags & O_NONBLOCK); |
| 853 | } |
| 854 | return 0; |
| 855 | } |
| 856 | |
| 857 | static unsigned int au0828_v4l2_poll(struct file *filp, poll_table *wait) |
| 858 | { |
| 859 | struct au0828_fh *fh = filp->private_data; |
| 860 | struct au0828_dev *dev = fh->dev; |
| 861 | int rc; |
| 862 | |
| 863 | rc = check_dev(dev); |
| 864 | if (rc < 0) |
| 865 | return rc; |
| 866 | |
| 867 | mutex_lock(&dev->lock); |
| 868 | rc = res_get(fh); |
| 869 | mutex_unlock(&dev->lock); |
| 870 | |
| 871 | if (unlikely(rc < 0)) |
| 872 | return POLLERR; |
| 873 | |
| 874 | if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type) |
| 875 | return POLLERR; |
| 876 | |
| 877 | return videobuf_poll_stream(filp, &fh->vb_vidq, wait); |
| 878 | } |
| 879 | |
| 880 | static int au0828_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) |
| 881 | { |
| 882 | struct au0828_fh *fh = filp->private_data; |
| 883 | struct au0828_dev *dev = fh->dev; |
| 884 | int rc; |
| 885 | |
| 886 | rc = check_dev(dev); |
| 887 | if (rc < 0) |
| 888 | return rc; |
| 889 | |
| 890 | mutex_lock(&dev->lock); |
| 891 | rc = res_get(fh); |
| 892 | mutex_unlock(&dev->lock); |
| 893 | |
| 894 | if (unlikely(rc < 0)) |
| 895 | return rc; |
| 896 | |
| 897 | rc = videobuf_mmap_mapper(&fh->vb_vidq, vma); |
| 898 | |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 899 | return rc; |
| 900 | } |
| 901 | |
| 902 | static int au0828_set_format(struct au0828_dev *dev, unsigned int cmd, |
| 903 | struct v4l2_format *format) |
| 904 | { |
| 905 | int ret; |
| 906 | int width = format->fmt.pix.width; |
| 907 | int height = format->fmt.pix.height; |
| 908 | unsigned int maxwidth, maxheight; |
| 909 | |
| 910 | maxwidth = 720; |
| 911 | maxheight = 480; |
| 912 | |
Devin Heitmueller | dd27ade | 2009-03-15 18:52:10 -0300 | [diff] [blame] | 913 | #ifdef VBI_IS_WORKING |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 914 | if (format->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) { |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 915 | dprintk(1, "VBI format set: to be supported!\n"); |
| 916 | return 0; |
| 917 | } |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 918 | if (format->type == V4L2_BUF_TYPE_VBI_CAPTURE) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 919 | return 0; |
Devin Heitmueller | 5a5a4e1 | 2009-03-11 03:00:55 -0300 | [diff] [blame] | 920 | #endif |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 921 | if (format->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 922 | return -EINVAL; |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 923 | |
| 924 | /* If they are demanding a format other than the one we support, |
| 925 | bail out (tvtime asks for UYVY and then retries with YUYV) */ |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 926 | if (format->fmt.pix.pixelformat != V4L2_PIX_FMT_UYVY) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 927 | return -EINVAL; |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 928 | |
| 929 | /* format->fmt.pix.width only support 720 and height 480 */ |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 930 | if (width != 720) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 931 | width = 720; |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 932 | if (height != 480) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 933 | height = 480; |
| 934 | |
| 935 | format->fmt.pix.width = width; |
| 936 | format->fmt.pix.height = height; |
| 937 | format->fmt.pix.pixelformat = V4L2_PIX_FMT_UYVY; |
| 938 | format->fmt.pix.bytesperline = width * 2; |
| 939 | format->fmt.pix.sizeimage = width * height * 2; |
| 940 | format->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; |
| 941 | format->fmt.pix.field = V4L2_FIELD_INTERLACED; |
| 942 | |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 943 | if (cmd == VIDIOC_TRY_FMT) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 944 | return 0; |
| 945 | |
| 946 | /* maybe set new image format, driver current only support 720*480 */ |
| 947 | dev->width = width; |
| 948 | dev->height = height; |
| 949 | dev->frame_size = width * height * 2; |
| 950 | dev->field_size = width * height; |
| 951 | dev->bytesperline = width * 2; |
| 952 | |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 953 | if (dev->stream_state == STREAM_ON) { |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 954 | dprintk(1, "VIDIOC_SET_FMT: interrupting stream!\n"); |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 955 | ret = au0828_stream_interrupt(dev); |
| 956 | if (ret != 0) { |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 957 | dprintk(1, "error interrupting video stream!\n"); |
| 958 | return ret; |
| 959 | } |
| 960 | } |
| 961 | |
| 962 | /* set au0828 interface0 to AS5 here again */ |
| 963 | ret = usb_set_interface(dev->usbdev, 0, 5); |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 964 | if (ret < 0) { |
| 965 | printk(KERN_INFO "Au0828 can't set alt setting to 5!\n"); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 966 | return -EBUSY; |
| 967 | } |
| 968 | |
| 969 | au0828_analog_stream_enable(dev); |
| 970 | |
| 971 | return 0; |
| 972 | } |
| 973 | |
| 974 | |
| 975 | static int vidioc_queryctrl(struct file *file, void *priv, |
| 976 | struct v4l2_queryctrl *qc) |
| 977 | { |
| 978 | struct au0828_fh *fh = priv; |
| 979 | struct au0828_dev *dev = fh->dev; |
Devin Heitmueller | 2689d3d | 2009-03-15 20:01:53 -0300 | [diff] [blame] | 980 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, queryctrl, qc); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 981 | if (qc->type) |
| 982 | return 0; |
| 983 | else |
| 984 | return -EINVAL; |
| 985 | } |
| 986 | |
| 987 | static int vidioc_querycap(struct file *file, void *priv, |
| 988 | struct v4l2_capability *cap) |
| 989 | { |
| 990 | struct au0828_fh *fh = priv; |
| 991 | struct au0828_dev *dev = fh->dev; |
| 992 | |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 993 | strlcpy(cap->driver, "au0828", sizeof(cap->driver)); |
Devin Heitmueller | f1add5b | 2009-03-11 03:00:47 -0300 | [diff] [blame] | 994 | strlcpy(cap->card, dev->board.name, sizeof(cap->card)); |
Devin Heitmueller | b14667f | 2009-03-11 03:01:04 -0300 | [diff] [blame] | 995 | strlcpy(cap->bus_info, dev->v4l2_dev.name, sizeof(cap->bus_info)); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 996 | |
| 997 | cap->version = AU0828_VERSION_CODE; |
| 998 | |
| 999 | /*set the device capabilities */ |
Devin Heitmueller | 5a5a4e1 | 2009-03-11 03:00:55 -0300 | [diff] [blame] | 1000 | cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | |
Devin Heitmueller | dd27ade | 2009-03-15 18:52:10 -0300 | [diff] [blame] | 1001 | #ifdef VBI_IS_WORKING |
Devin Heitmueller | 5a5a4e1 | 2009-03-11 03:00:55 -0300 | [diff] [blame] | 1002 | V4L2_CAP_VBI_CAPTURE | |
| 1003 | #endif |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1004 | V4L2_CAP_AUDIO | |
| 1005 | V4L2_CAP_READWRITE | |
| 1006 | V4L2_CAP_STREAMING | |
| 1007 | V4L2_CAP_TUNER; |
| 1008 | return 0; |
| 1009 | } |
| 1010 | |
| 1011 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, |
| 1012 | struct v4l2_fmtdesc *f) |
| 1013 | { |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1014 | if (f->index) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1015 | return -EINVAL; |
| 1016 | |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1017 | f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 1018 | strcpy(f->description, "Packed YUV2"); |
| 1019 | |
| 1020 | f->flags = 0; |
| 1021 | f->pixelformat = V4L2_PIX_FMT_UYVY; |
| 1022 | |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1023 | return 0; |
| 1024 | } |
| 1025 | |
| 1026 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, |
| 1027 | struct v4l2_format *f) |
| 1028 | { |
| 1029 | struct au0828_fh *fh = priv; |
| 1030 | struct au0828_dev *dev = fh->dev; |
| 1031 | |
| 1032 | f->fmt.pix.width = dev->width; |
| 1033 | f->fmt.pix.height = dev->height; |
| 1034 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_UYVY; |
| 1035 | f->fmt.pix.bytesperline = dev->bytesperline; |
| 1036 | f->fmt.pix.sizeimage = dev->frame_size; |
| 1037 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; /* NTSC/PAL */ |
| 1038 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; |
| 1039 | return 0; |
| 1040 | } |
| 1041 | |
| 1042 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, |
| 1043 | struct v4l2_format *f) |
| 1044 | { |
| 1045 | struct au0828_fh *fh = priv; |
| 1046 | struct au0828_dev *dev = fh->dev; |
| 1047 | |
| 1048 | return au0828_set_format(dev, VIDIOC_TRY_FMT, f); |
| 1049 | } |
| 1050 | |
| 1051 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, |
| 1052 | struct v4l2_format *f) |
| 1053 | { |
| 1054 | struct au0828_fh *fh = priv; |
| 1055 | struct au0828_dev *dev = fh->dev; |
| 1056 | int rc; |
| 1057 | |
| 1058 | if (videobuf_queue_is_busy(&fh->vb_vidq)) { |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1059 | printk(KERN_INFO "%s queue busy\n", __func__); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1060 | rc = -EBUSY; |
| 1061 | goto out; |
| 1062 | } |
| 1063 | |
| 1064 | if (dev->stream_on && !fh->stream_on) { |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1065 | printk(KERN_INFO "%s device in use by another fh\n", __func__); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1066 | rc = -EBUSY; |
| 1067 | goto out; |
| 1068 | } |
| 1069 | |
| 1070 | return au0828_set_format(dev, VIDIOC_S_FMT, f); |
| 1071 | out: |
| 1072 | return rc; |
| 1073 | } |
| 1074 | |
| 1075 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id * norm) |
| 1076 | { |
| 1077 | struct au0828_fh *fh = priv; |
| 1078 | struct au0828_dev *dev = fh->dev; |
| 1079 | |
| 1080 | /* FIXME: when we support something other than NTSC, we are going to |
| 1081 | have to make the au0828 bridge adjust the size of its capture |
| 1082 | buffer, which is currently hardcoded at 720x480 */ |
| 1083 | |
Hans Verkuil | f41737e | 2009-04-01 03:52:39 -0300 | [diff] [blame] | 1084 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, *norm); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1085 | return 0; |
| 1086 | } |
| 1087 | |
| 1088 | static int vidioc_enum_input(struct file *file, void *priv, |
| 1089 | struct v4l2_input *input) |
| 1090 | { |
| 1091 | struct au0828_fh *fh = priv; |
| 1092 | struct au0828_dev *dev = fh->dev; |
| 1093 | unsigned int tmp; |
| 1094 | |
| 1095 | static const char *inames[] = { |
Devin Heitmueller | 3d62287 | 2009-03-15 17:48:26 -0300 | [diff] [blame] | 1096 | [AU0828_VMUX_UNDEFINED] = "Undefined", |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1097 | [AU0828_VMUX_COMPOSITE] = "Composite", |
| 1098 | [AU0828_VMUX_SVIDEO] = "S-Video", |
| 1099 | [AU0828_VMUX_CABLE] = "Cable TV", |
| 1100 | [AU0828_VMUX_TELEVISION] = "Television", |
| 1101 | [AU0828_VMUX_DVB] = "DVB", |
| 1102 | [AU0828_VMUX_DEBUG] = "tv debug" |
| 1103 | }; |
| 1104 | |
| 1105 | tmp = input->index; |
| 1106 | |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1107 | if (tmp > AU0828_MAX_INPUT) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1108 | return -EINVAL; |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1109 | if (AUVI_INPUT(tmp).type == 0) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1110 | return -EINVAL; |
| 1111 | |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1112 | input->index = tmp; |
Devin Heitmueller | f1add5b | 2009-03-11 03:00:47 -0300 | [diff] [blame] | 1113 | strcpy(input->name, inames[AUVI_INPUT(tmp).type]); |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1114 | if ((AUVI_INPUT(tmp).type == AU0828_VMUX_TELEVISION) || |
| 1115 | (AUVI_INPUT(tmp).type == AU0828_VMUX_CABLE)) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1116 | input->type |= V4L2_INPUT_TYPE_TUNER; |
| 1117 | else |
| 1118 | input->type |= V4L2_INPUT_TYPE_CAMERA; |
| 1119 | |
| 1120 | input->std = dev->vdev->tvnorms; |
| 1121 | |
| 1122 | return 0; |
| 1123 | } |
| 1124 | |
| 1125 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) |
| 1126 | { |
| 1127 | struct au0828_fh *fh = priv; |
| 1128 | struct au0828_dev *dev = fh->dev; |
| 1129 | *i = dev->ctrl_input; |
| 1130 | return 0; |
| 1131 | } |
| 1132 | |
| 1133 | static int vidioc_s_input(struct file *file, void *priv, unsigned int index) |
| 1134 | { |
| 1135 | struct au0828_fh *fh = priv; |
| 1136 | struct au0828_dev *dev = fh->dev; |
| 1137 | int i; |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1138 | |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1139 | dprintk(1, "VIDIOC_S_INPUT in function %s, input=%d\n", __func__, |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1140 | index); |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1141 | if (index >= AU0828_MAX_INPUT) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1142 | return -EINVAL; |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1143 | if (AUVI_INPUT(index).type == 0) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1144 | return -EINVAL; |
| 1145 | dev->ctrl_input = index; |
| 1146 | |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1147 | switch (AUVI_INPUT(index).type) { |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1148 | case AU0828_VMUX_SVIDEO: |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1149 | dev->input_type = AU0828_VMUX_SVIDEO; |
| 1150 | break; |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1151 | case AU0828_VMUX_COMPOSITE: |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1152 | dev->input_type = AU0828_VMUX_COMPOSITE; |
| 1153 | break; |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1154 | case AU0828_VMUX_TELEVISION: |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1155 | dev->input_type = AU0828_VMUX_TELEVISION; |
| 1156 | break; |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1157 | default: |
Devin Heitmueller | a1094c4 | 2009-03-15 17:43:13 -0300 | [diff] [blame] | 1158 | dprintk(1, "VIDIOC_S_INPUT unknown input type set [%d]\n", |
| 1159 | AUVI_INPUT(index).type); |
| 1160 | break; |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1161 | } |
| 1162 | |
Hans Verkuil | 5325b42 | 2009-04-02 11:26:22 -0300 | [diff] [blame] | 1163 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_routing, |
| 1164 | AUVI_INPUT(index).vmux, 0, 0); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1165 | |
| 1166 | for (i = 0; i < AU0828_MAX_INPUT; i++) { |
| 1167 | int enable = 0; |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1168 | if (AUVI_INPUT(i).audio_setup == NULL) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1169 | continue; |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1170 | |
| 1171 | if (i == index) |
| 1172 | enable = 1; |
| 1173 | else |
| 1174 | enable = 0; |
| 1175 | if (enable) { |
Devin Heitmueller | f1add5b | 2009-03-11 03:00:47 -0300 | [diff] [blame] | 1176 | (AUVI_INPUT(i).audio_setup)(dev, enable); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1177 | } else { |
| 1178 | /* Make sure we leave it turned on if some |
| 1179 | other input is routed to this callback */ |
Devin Heitmueller | f1add5b | 2009-03-11 03:00:47 -0300 | [diff] [blame] | 1180 | if ((AUVI_INPUT(i).audio_setup) != |
| 1181 | ((AUVI_INPUT(index).audio_setup))) { |
| 1182 | (AUVI_INPUT(i).audio_setup)(dev, enable); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1183 | } |
| 1184 | } |
| 1185 | } |
| 1186 | |
Hans Verkuil | 5325b42 | 2009-04-02 11:26:22 -0300 | [diff] [blame] | 1187 | v4l2_device_call_all(&dev->v4l2_dev, 0, audio, s_routing, |
| 1188 | AUVI_INPUT(index).amux, 0, 0); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1189 | return 0; |
| 1190 | } |
| 1191 | |
| 1192 | static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) |
| 1193 | { |
| 1194 | struct au0828_fh *fh = priv; |
| 1195 | struct au0828_dev *dev = fh->dev; |
| 1196 | unsigned int index = a->index; |
| 1197 | |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1198 | if (a->index > 1) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1199 | return -EINVAL; |
| 1200 | |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1201 | index = dev->ctrl_ainput; |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1202 | if (index == 0) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1203 | strcpy(a->name, "Television"); |
| 1204 | else |
| 1205 | strcpy(a->name, "Line in"); |
| 1206 | |
| 1207 | a->capability = V4L2_AUDCAP_STEREO; |
| 1208 | a->index = index; |
| 1209 | return 0; |
| 1210 | } |
| 1211 | |
| 1212 | static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a) |
| 1213 | { |
| 1214 | struct au0828_fh *fh = priv; |
| 1215 | struct au0828_dev *dev = fh->dev; |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1216 | if (a->index != dev->ctrl_ainput) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1217 | return -EINVAL; |
| 1218 | return 0; |
| 1219 | } |
| 1220 | |
| 1221 | static int vidioc_g_ctrl(struct file *file, void *priv, |
| 1222 | struct v4l2_control *ctrl) |
| 1223 | { |
| 1224 | struct au0828_fh *fh = priv; |
| 1225 | struct au0828_dev *dev = fh->dev; |
| 1226 | |
Devin Heitmueller | 2689d3d | 2009-03-15 20:01:53 -0300 | [diff] [blame] | 1227 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_ctrl, ctrl); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1228 | return 0; |
| 1229 | |
| 1230 | } |
| 1231 | |
| 1232 | static int vidioc_s_ctrl(struct file *file, void *priv, |
| 1233 | struct v4l2_control *ctrl) |
| 1234 | { |
| 1235 | struct au0828_fh *fh = priv; |
| 1236 | struct au0828_dev *dev = fh->dev; |
Devin Heitmueller | 2689d3d | 2009-03-15 20:01:53 -0300 | [diff] [blame] | 1237 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_ctrl, ctrl); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1238 | return 0; |
| 1239 | } |
| 1240 | |
| 1241 | static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) |
| 1242 | { |
| 1243 | struct au0828_fh *fh = priv; |
| 1244 | struct au0828_dev *dev = fh->dev; |
| 1245 | |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1246 | if (t->index != 0) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1247 | return -EINVAL; |
| 1248 | |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1249 | strcpy(t->name, "Auvitek tuner"); |
Devin Heitmueller | 2689d3d | 2009-03-15 20:01:53 -0300 | [diff] [blame] | 1250 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1251 | return 0; |
| 1252 | } |
| 1253 | |
| 1254 | static int vidioc_s_tuner(struct file *file, void *priv, |
| 1255 | struct v4l2_tuner *t) |
| 1256 | { |
| 1257 | struct au0828_fh *fh = priv; |
| 1258 | struct au0828_dev *dev = fh->dev; |
| 1259 | |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1260 | if (t->index != 0) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1261 | return -EINVAL; |
| 1262 | |
| 1263 | t->type = V4L2_TUNER_ANALOG_TV; |
Devin Heitmueller | 2689d3d | 2009-03-15 20:01:53 -0300 | [diff] [blame] | 1264 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1265 | dprintk(1, "VIDIOC_S_TUNER: signal = %x, afc = %x\n", t->signal, |
| 1266 | t->afc); |
| 1267 | return 0; |
| 1268 | |
| 1269 | } |
| 1270 | |
| 1271 | static int vidioc_g_frequency(struct file *file, void *priv, |
| 1272 | struct v4l2_frequency *freq) |
| 1273 | { |
| 1274 | struct au0828_fh *fh = priv; |
| 1275 | struct au0828_dev *dev = fh->dev; |
Devin Heitmueller | c888923 | 2009-03-15 17:38:47 -0300 | [diff] [blame] | 1276 | |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1277 | freq->type = V4L2_TUNER_ANALOG_TV; |
| 1278 | freq->frequency = dev->ctrl_freq; |
| 1279 | return 0; |
| 1280 | } |
| 1281 | |
| 1282 | static int vidioc_s_frequency(struct file *file, void *priv, |
| 1283 | struct v4l2_frequency *freq) |
| 1284 | { |
| 1285 | struct au0828_fh *fh = priv; |
| 1286 | struct au0828_dev *dev = fh->dev; |
| 1287 | |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1288 | if (freq->tuner != 0) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1289 | return -EINVAL; |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1290 | if (freq->type != V4L2_TUNER_ANALOG_TV) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1291 | return -EINVAL; |
| 1292 | |
| 1293 | dev->ctrl_freq = freq->frequency; |
| 1294 | |
Devin Heitmueller | 2689d3d | 2009-03-15 20:01:53 -0300 | [diff] [blame] | 1295 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, freq); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1296 | |
| 1297 | au0828_analog_stream_reset(dev); |
| 1298 | |
| 1299 | return 0; |
| 1300 | } |
| 1301 | |
| 1302 | static int vidioc_g_chip_ident(struct file *file, void *priv, |
| 1303 | struct v4l2_dbg_chip_ident *chip) |
| 1304 | { |
| 1305 | struct au0828_fh *fh = priv; |
| 1306 | struct au0828_dev *dev = fh->dev; |
| 1307 | chip->ident = V4L2_IDENT_NONE; |
| 1308 | chip->revision = 0; |
| 1309 | |
Devin Heitmueller | d9109be | 2009-03-11 03:00:58 -0300 | [diff] [blame] | 1310 | if (v4l2_chip_match_host(&chip->match)) { |
| 1311 | chip->ident = V4L2_IDENT_AU0828; |
| 1312 | return 0; |
| 1313 | } |
| 1314 | |
Devin Heitmueller | 2689d3d | 2009-03-15 20:01:53 -0300 | [diff] [blame] | 1315 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_chip_ident, chip); |
Devin Heitmueller | d9109be | 2009-03-11 03:00:58 -0300 | [diff] [blame] | 1316 | if (chip->ident == V4L2_IDENT_NONE) |
| 1317 | return -EINVAL; |
| 1318 | |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1319 | return 0; |
| 1320 | } |
| 1321 | |
| 1322 | static int vidioc_cropcap(struct file *file, void *priv, |
| 1323 | struct v4l2_cropcap *cc) |
| 1324 | { |
| 1325 | struct au0828_fh *fh = priv; |
| 1326 | struct au0828_dev *dev = fh->dev; |
| 1327 | |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1328 | if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1329 | return -EINVAL; |
| 1330 | |
| 1331 | cc->bounds.left = 0; |
| 1332 | cc->bounds.top = 0; |
| 1333 | cc->bounds.width = dev->width; |
| 1334 | cc->bounds.height = dev->height; |
| 1335 | |
| 1336 | cc->defrect = cc->bounds; |
| 1337 | |
| 1338 | cc->pixelaspect.numerator = 54; |
| 1339 | cc->pixelaspect.denominator = 59; |
| 1340 | |
| 1341 | return 0; |
| 1342 | } |
| 1343 | |
| 1344 | static int vidioc_streamon(struct file *file, void *priv, |
| 1345 | enum v4l2_buf_type type) |
| 1346 | { |
| 1347 | struct au0828_fh *fh = priv; |
| 1348 | struct au0828_dev *dev = fh->dev; |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1349 | int rc; |
| 1350 | |
| 1351 | rc = check_dev(dev); |
| 1352 | if (rc < 0) |
| 1353 | return rc; |
| 1354 | |
| 1355 | if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
| 1356 | au0828_analog_stream_enable(dev); |
Devin Heitmueller | 2689d3d | 2009-03-15 20:01:53 -0300 | [diff] [blame] | 1357 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 1); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1358 | } |
| 1359 | |
| 1360 | mutex_lock(&dev->lock); |
| 1361 | rc = res_get(fh); |
| 1362 | |
| 1363 | if (likely(rc >= 0)) |
| 1364 | rc = videobuf_streamon(&fh->vb_vidq); |
| 1365 | mutex_unlock(&dev->lock); |
| 1366 | |
| 1367 | return rc; |
| 1368 | } |
| 1369 | |
| 1370 | static int vidioc_streamoff(struct file *file, void *priv, |
| 1371 | enum v4l2_buf_type type) |
| 1372 | { |
| 1373 | struct au0828_fh *fh = priv; |
| 1374 | struct au0828_dev *dev = fh->dev; |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1375 | int i; |
| 1376 | int ret; |
| 1377 | int rc; |
| 1378 | |
| 1379 | rc = check_dev(dev); |
| 1380 | if (rc < 0) |
| 1381 | return rc; |
| 1382 | |
| 1383 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 1384 | return -EINVAL; |
| 1385 | if (type != fh->type) |
| 1386 | return -EINVAL; |
| 1387 | |
| 1388 | if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
Devin Heitmueller | 2689d3d | 2009-03-15 20:01:53 -0300 | [diff] [blame] | 1389 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0); |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1390 | ret = au0828_stream_interrupt(dev); |
| 1391 | if (ret != 0) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1392 | return ret; |
| 1393 | } |
| 1394 | |
| 1395 | for (i = 0; i < AU0828_MAX_INPUT; i++) { |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1396 | if (AUVI_INPUT(i).audio_setup == NULL) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1397 | continue; |
Devin Heitmueller | f1add5b | 2009-03-11 03:00:47 -0300 | [diff] [blame] | 1398 | (AUVI_INPUT(i).audio_setup)(dev, 0); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1399 | } |
| 1400 | |
| 1401 | mutex_lock(&dev->lock); |
| 1402 | videobuf_streamoff(&fh->vb_vidq); |
| 1403 | res_free(fh); |
| 1404 | mutex_unlock(&dev->lock); |
| 1405 | |
| 1406 | return 0; |
| 1407 | } |
| 1408 | |
Mauro Carvalho Chehab | 80c6e35 | 2009-03-19 19:26:23 -0300 | [diff] [blame] | 1409 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1410 | static int vidioc_g_register(struct file *file, void *priv, |
| 1411 | struct v4l2_dbg_register *reg) |
| 1412 | { |
| 1413 | struct au0828_fh *fh = priv; |
| 1414 | struct au0828_dev *dev = fh->dev; |
| 1415 | |
| 1416 | switch (reg->match.type) { |
| 1417 | case V4L2_CHIP_MATCH_I2C_DRIVER: |
Devin Heitmueller | 2689d3d | 2009-03-15 20:01:53 -0300 | [diff] [blame] | 1418 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1419 | return 0; |
| 1420 | default: |
| 1421 | return -EINVAL; |
| 1422 | } |
| 1423 | } |
| 1424 | |
| 1425 | static int vidioc_s_register(struct file *file, void *priv, |
| 1426 | struct v4l2_dbg_register *reg) |
| 1427 | { |
| 1428 | struct au0828_fh *fh = priv; |
| 1429 | struct au0828_dev *dev = fh->dev; |
| 1430 | |
| 1431 | switch (reg->match.type) { |
| 1432 | case V4L2_CHIP_MATCH_I2C_DRIVER: |
Devin Heitmueller | 2689d3d | 2009-03-15 20:01:53 -0300 | [diff] [blame] | 1433 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1434 | return 0; |
| 1435 | default: |
| 1436 | return -EINVAL; |
| 1437 | } |
| 1438 | return 0; |
| 1439 | } |
Mauro Carvalho Chehab | 80c6e35 | 2009-03-19 19:26:23 -0300 | [diff] [blame] | 1440 | #endif |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1441 | |
| 1442 | static int vidioc_reqbufs(struct file *file, void *priv, |
| 1443 | struct v4l2_requestbuffers *rb) |
| 1444 | { |
| 1445 | struct au0828_fh *fh = priv; |
| 1446 | struct au0828_dev *dev = fh->dev; |
| 1447 | int rc; |
| 1448 | |
| 1449 | rc = check_dev(dev); |
| 1450 | if (rc < 0) |
| 1451 | return rc; |
| 1452 | |
| 1453 | return videobuf_reqbufs(&fh->vb_vidq, rb); |
| 1454 | } |
| 1455 | |
| 1456 | static int vidioc_querybuf(struct file *file, void *priv, |
| 1457 | struct v4l2_buffer *b) |
| 1458 | { |
| 1459 | struct au0828_fh *fh = priv; |
| 1460 | struct au0828_dev *dev = fh->dev; |
| 1461 | int rc; |
| 1462 | |
| 1463 | rc = check_dev(dev); |
| 1464 | if (rc < 0) |
| 1465 | return rc; |
| 1466 | |
| 1467 | return videobuf_querybuf(&fh->vb_vidq, b); |
| 1468 | } |
| 1469 | |
| 1470 | static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) |
| 1471 | { |
| 1472 | struct au0828_fh *fh = priv; |
| 1473 | struct au0828_dev *dev = fh->dev; |
| 1474 | int rc; |
| 1475 | |
| 1476 | rc = check_dev(dev); |
| 1477 | if (rc < 0) |
| 1478 | return rc; |
| 1479 | |
| 1480 | return videobuf_qbuf(&fh->vb_vidq, b); |
| 1481 | } |
| 1482 | |
| 1483 | static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) |
| 1484 | { |
| 1485 | struct au0828_fh *fh = priv; |
| 1486 | struct au0828_dev *dev = fh->dev; |
| 1487 | int rc; |
| 1488 | |
| 1489 | rc = check_dev(dev); |
| 1490 | if (rc < 0) |
| 1491 | return rc; |
| 1492 | |
| 1493 | /* Workaround for a bug in the au0828 hardware design that sometimes |
| 1494 | results in the colorspace being inverted */ |
| 1495 | if (dev->greenscreen_detected == 1) { |
| 1496 | dprintk(1, "Detected green frame. Resetting stream...\n"); |
| 1497 | au0828_analog_stream_reset(dev); |
| 1498 | dev->greenscreen_detected = 0; |
| 1499 | } |
| 1500 | |
| 1501 | return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK); |
| 1502 | } |
| 1503 | |
| 1504 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
| 1505 | static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf) |
| 1506 | { |
| 1507 | struct au0828_fh *fh = priv; |
| 1508 | |
| 1509 | return videobuf_cgmbuf(&fh->vb_vidq, mbuf, 8); |
| 1510 | } |
| 1511 | #endif |
| 1512 | |
| 1513 | static struct v4l2_file_operations au0828_v4l_fops = { |
| 1514 | .owner = THIS_MODULE, |
| 1515 | .open = au0828_v4l2_open, |
| 1516 | .release = au0828_v4l2_close, |
| 1517 | .read = au0828_v4l2_read, |
| 1518 | .poll = au0828_v4l2_poll, |
| 1519 | .mmap = au0828_v4l2_mmap, |
| 1520 | .ioctl = video_ioctl2, |
| 1521 | }; |
| 1522 | |
| 1523 | static const struct v4l2_ioctl_ops video_ioctl_ops = { |
| 1524 | .vidioc_querycap = vidioc_querycap, |
| 1525 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, |
| 1526 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, |
| 1527 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, |
| 1528 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, |
Devin Heitmueller | dd27ade | 2009-03-15 18:52:10 -0300 | [diff] [blame] | 1529 | #ifdef VBI_IS_WORKING |
Devin Heitmueller | 5a5a4e1 | 2009-03-11 03:00:55 -0300 | [diff] [blame] | 1530 | .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, |
| 1531 | .vidioc_try_fmt_vbi_cap = vidioc_s_fmt_vbi_cap, |
| 1532 | .vidioc_s_fmt_vbi_cap = vidioc_s_fmt_vbi_cap, |
| 1533 | #endif |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1534 | .vidioc_g_audio = vidioc_g_audio, |
| 1535 | .vidioc_s_audio = vidioc_s_audio, |
| 1536 | .vidioc_cropcap = vidioc_cropcap, |
Devin Heitmueller | dd27ade | 2009-03-15 18:52:10 -0300 | [diff] [blame] | 1537 | #ifdef VBI_IS_WORKING |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1538 | .vidioc_g_fmt_sliced_vbi_cap = vidioc_g_fmt_sliced_vbi_cap, |
| 1539 | .vidioc_try_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, |
| 1540 | .vidioc_s_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, |
| 1541 | #endif |
| 1542 | .vidioc_reqbufs = vidioc_reqbufs, |
| 1543 | .vidioc_querybuf = vidioc_querybuf, |
| 1544 | .vidioc_qbuf = vidioc_qbuf, |
| 1545 | .vidioc_dqbuf = vidioc_dqbuf, |
| 1546 | .vidioc_s_std = vidioc_s_std, |
| 1547 | .vidioc_enum_input = vidioc_enum_input, |
| 1548 | .vidioc_g_input = vidioc_g_input, |
| 1549 | .vidioc_s_input = vidioc_s_input, |
| 1550 | .vidioc_queryctrl = vidioc_queryctrl, |
| 1551 | .vidioc_g_ctrl = vidioc_g_ctrl, |
| 1552 | .vidioc_s_ctrl = vidioc_s_ctrl, |
| 1553 | .vidioc_streamon = vidioc_streamon, |
| 1554 | .vidioc_streamoff = vidioc_streamoff, |
| 1555 | .vidioc_g_tuner = vidioc_g_tuner, |
| 1556 | .vidioc_s_tuner = vidioc_s_tuner, |
| 1557 | .vidioc_g_frequency = vidioc_g_frequency, |
| 1558 | .vidioc_s_frequency = vidioc_s_frequency, |
| 1559 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
| 1560 | .vidioc_g_register = vidioc_g_register, |
| 1561 | .vidioc_s_register = vidioc_s_register, |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1562 | #endif |
Mauro Carvalho Chehab | 80c6e35 | 2009-03-19 19:26:23 -0300 | [diff] [blame] | 1563 | .vidioc_g_chip_ident = vidioc_g_chip_ident, |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1564 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
| 1565 | .vidiocgmbuf = vidiocgmbuf, |
| 1566 | #endif |
| 1567 | }; |
| 1568 | |
| 1569 | static const struct video_device au0828_video_template = { |
| 1570 | .fops = &au0828_v4l_fops, |
| 1571 | .release = video_device_release, |
| 1572 | .ioctl_ops = &video_ioctl_ops, |
Devin Heitmueller | 0ef21071 | 2009-03-11 03:00:53 -0300 | [diff] [blame] | 1573 | .tvnorms = V4L2_STD_NTSC_M, |
| 1574 | .current_norm = V4L2_STD_NTSC_M, |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1575 | }; |
| 1576 | |
| 1577 | /**************************************************************************/ |
| 1578 | |
Devin Heitmueller | fc4ce6c | 2009-03-11 03:01:00 -0300 | [diff] [blame] | 1579 | int au0828_analog_register(struct au0828_dev *dev, |
| 1580 | struct usb_interface *interface) |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1581 | { |
| 1582 | int retval = -ENOMEM; |
Devin Heitmueller | fc4ce6c | 2009-03-11 03:01:00 -0300 | [diff] [blame] | 1583 | struct usb_host_interface *iface_desc; |
| 1584 | struct usb_endpoint_descriptor *endpoint; |
| 1585 | int i; |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1586 | |
| 1587 | dprintk(1, "au0828_analog_register called!\n"); |
| 1588 | |
Devin Heitmueller | fc4ce6c | 2009-03-11 03:01:00 -0300 | [diff] [blame] | 1589 | /* set au0828 usb interface0 to as5 */ |
| 1590 | retval = usb_set_interface(dev->usbdev, |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1591 | interface->cur_altsetting->desc.bInterfaceNumber, 5); |
Devin Heitmueller | fc4ce6c | 2009-03-11 03:01:00 -0300 | [diff] [blame] | 1592 | if (retval != 0) { |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1593 | printk(KERN_INFO "Failure setting usb interface0 to as5\n"); |
Devin Heitmueller | fc4ce6c | 2009-03-11 03:01:00 -0300 | [diff] [blame] | 1594 | return retval; |
| 1595 | } |
| 1596 | |
| 1597 | /* Figure out which endpoint has the isoc interface */ |
| 1598 | iface_desc = interface->cur_altsetting; |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1599 | for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) { |
Devin Heitmueller | fc4ce6c | 2009-03-11 03:01:00 -0300 | [diff] [blame] | 1600 | endpoint = &iface_desc->endpoint[i].desc; |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1601 | if (((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) |
| 1602 | == USB_DIR_IN) && |
| 1603 | ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) |
| 1604 | == USB_ENDPOINT_XFER_ISOC)) { |
Devin Heitmueller | fc4ce6c | 2009-03-11 03:01:00 -0300 | [diff] [blame] | 1605 | |
| 1606 | /* we find our isoc in endpoint */ |
| 1607 | u16 tmp = le16_to_cpu(endpoint->wMaxPacketSize); |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1608 | dev->max_pkt_size = (tmp & 0x07ff) * |
| 1609 | (((tmp & 0x1800) >> 11) + 1); |
Devin Heitmueller | fc4ce6c | 2009-03-11 03:01:00 -0300 | [diff] [blame] | 1610 | dev->isoc_in_endpointaddr = endpoint->bEndpointAddress; |
| 1611 | } |
| 1612 | } |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1613 | if (!(dev->isoc_in_endpointaddr)) { |
| 1614 | printk(KERN_INFO "Could not locate isoc endpoint\n"); |
Devin Heitmueller | fc4ce6c | 2009-03-11 03:01:00 -0300 | [diff] [blame] | 1615 | kfree(dev); |
| 1616 | return -ENODEV; |
| 1617 | } |
| 1618 | |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1619 | init_waitqueue_head(&dev->open); |
| 1620 | spin_lock_init(&dev->slock); |
| 1621 | mutex_init(&dev->lock); |
| 1622 | |
| 1623 | INIT_LIST_HEAD(&dev->vidq.active); |
| 1624 | INIT_LIST_HEAD(&dev->vidq.queued); |
| 1625 | |
| 1626 | dev->width = NTSC_STD_W; |
| 1627 | dev->height = NTSC_STD_H; |
| 1628 | dev->field_size = dev->width * dev->height; |
| 1629 | dev->frame_size = dev->field_size << 1; |
| 1630 | dev->bytesperline = dev->width << 1; |
| 1631 | dev->ctrl_ainput = 0; |
| 1632 | |
| 1633 | /* allocate and fill v4l2 video struct */ |
| 1634 | dev->vdev = video_device_alloc(); |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1635 | if (NULL == dev->vdev) { |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1636 | dprintk(1, "Can't allocate video_device.\n"); |
| 1637 | return -ENOMEM; |
| 1638 | } |
| 1639 | |
Devin Heitmueller | dd27ade | 2009-03-15 18:52:10 -0300 | [diff] [blame] | 1640 | #ifdef VBI_IS_WORKING |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1641 | dev->vbi_dev = video_device_alloc(); |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1642 | if (NULL == dev->vbi_dev) { |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1643 | dprintk(1, "Can't allocate vbi_device.\n"); |
| 1644 | kfree(dev->vdev); |
| 1645 | return -ENOMEM; |
| 1646 | } |
Devin Heitmueller | 5a5a4e1 | 2009-03-11 03:00:55 -0300 | [diff] [blame] | 1647 | #endif |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1648 | |
| 1649 | /* Fill the video capture device struct */ |
| 1650 | *dev->vdev = au0828_video_template; |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1651 | dev->vdev->parent = &dev->usbdev->dev; |
| 1652 | strcpy(dev->vdev->name, "au0828a video"); |
| 1653 | |
Devin Heitmueller | dd27ade | 2009-03-15 18:52:10 -0300 | [diff] [blame] | 1654 | #ifdef VBI_IS_WORKING |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1655 | /* Setup the VBI device */ |
| 1656 | *dev->vbi_dev = au0828_video_template; |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1657 | dev->vbi_dev->parent = &dev->usbdev->dev; |
| 1658 | strcpy(dev->vbi_dev->name, "au0828a vbi"); |
Devin Heitmueller | 5a5a4e1 | 2009-03-11 03:00:55 -0300 | [diff] [blame] | 1659 | #endif |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1660 | |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1661 | /* Register the v4l2 device */ |
Laurent Pinchart | 63b0d5a | 2009-12-10 11:44:04 -0200 | [diff] [blame] | 1662 | video_set_drvdata(dev->vdev, dev); |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1663 | retval = video_register_device(dev->vdev, VFL_TYPE_GRABBER, -1); |
| 1664 | if (retval != 0) { |
| 1665 | dprintk(1, "unable to register video device (error = %d).\n", |
| 1666 | retval); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1667 | video_device_release(dev->vdev); |
| 1668 | return -ENODEV; |
| 1669 | } |
| 1670 | |
Devin Heitmueller | dd27ade | 2009-03-15 18:52:10 -0300 | [diff] [blame] | 1671 | #ifdef VBI_IS_WORKING |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1672 | /* Register the vbi device */ |
Laurent Pinchart | 63b0d5a | 2009-12-10 11:44:04 -0200 | [diff] [blame] | 1673 | video_set_drvdata(dev->vbi_dev, dev); |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1674 | retval = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, -1); |
| 1675 | if (retval != 0) { |
| 1676 | dprintk(1, "unable to register vbi device (error = %d).\n", |
| 1677 | retval); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1678 | video_device_release(dev->vbi_dev); |
| 1679 | video_device_release(dev->vdev); |
| 1680 | return -ENODEV; |
| 1681 | } |
Devin Heitmueller | 5a5a4e1 | 2009-03-11 03:00:55 -0300 | [diff] [blame] | 1682 | #endif |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1683 | |
Devin Heitmueller | 62899a2 | 2009-03-15 18:48:52 -0300 | [diff] [blame] | 1684 | dprintk(1, "%s completed!\n", __func__); |
Devin Heitmueller | 8b2f079 | 2009-03-11 03:00:40 -0300 | [diff] [blame] | 1685 | |
| 1686 | return 0; |
| 1687 | } |
| 1688 | |