1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Support for a cx23416 mpeg encoder via cx2388x host port. 4 * "blackbird" reference design. 5 * 6 * (c) 2004 Jelle Foks <jelle@foks.us> 7 * (c) 2004 Gerd Knorr <kraxel@bytesex.org> 8 * 9 * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@kernel.org> 10 * - video_ioctl2 conversion 11 * 12 * Includes parts from the ivtv driver <http://sourceforge.net/projects/ivtv/> 13 */ 14 15 #include "cx88.h" 16 17 #include <linux/module.h> 18 #include <linux/init.h> 19 #include <linux/slab.h> 20 #include <linux/fs.h> 21 #include <linux/delay.h> 22 #include <linux/device.h> 23 #include <linux/firmware.h> 24 #include <media/v4l2-common.h> 25 #include <media/v4l2-ioctl.h> 26 #include <media/v4l2-event.h> 27 #include <media/drv-intf/cx2341x.h> 28 29 MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards"); 30 MODULE_AUTHOR("Jelle Foks <jelle@foks.us>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); 31 MODULE_LICENSE("GPL v2"); 32 MODULE_VERSION(CX88_VERSION); 33 34 static unsigned int debug; 35 module_param(debug, int, 0644); 36 MODULE_PARM_DESC(debug, "enable debug messages [blackbird]"); 37 38 #define dprintk(level, fmt, arg...) do { \ 39 if (debug + 1 > level) \ 40 printk(KERN_DEBUG pr_fmt("%s: blackbird:" fmt), \ 41 __func__, ##arg); \ 42 } while (0) 43 44 /* ------------------------------------------------------------------ */ 45 46 #define BLACKBIRD_FIRM_IMAGE_SIZE 376836 47 48 /* defines below are from ivtv-driver.h */ 49 50 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF 51 52 /* Firmware API commands */ 53 #define IVTV_API_STD_TIMEOUT 500 54 55 enum blackbird_capture_type { 56 BLACKBIRD_MPEG_CAPTURE, 57 BLACKBIRD_RAW_CAPTURE, 58 BLACKBIRD_RAW_PASSTHRU_CAPTURE 59 }; 60 61 enum blackbird_capture_bits { 62 BLACKBIRD_RAW_BITS_NONE = 0x00, 63 BLACKBIRD_RAW_BITS_YUV_CAPTURE = 0x01, 64 BLACKBIRD_RAW_BITS_PCM_CAPTURE = 0x02, 65 BLACKBIRD_RAW_BITS_VBI_CAPTURE = 0x04, 66 BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08, 67 BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE = 0x10 68 }; 69 70 enum blackbird_capture_end { 71 BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */ 72 BLACKBIRD_END_NOW, /* stop immediately, no irq */ 73 }; 74 75 enum blackbird_framerate { 76 BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */ 77 BLACKBIRD_FRAMERATE_PAL_25 /* PAL: 25fps */ 78 }; 79 80 enum blackbird_stream_port { 81 BLACKBIRD_OUTPUT_PORT_MEMORY, 82 BLACKBIRD_OUTPUT_PORT_STREAMING, 83 BLACKBIRD_OUTPUT_PORT_SERIAL 84 }; 85 86 enum blackbird_data_xfer_status { 87 BLACKBIRD_MORE_BUFFERS_FOLLOW, 88 BLACKBIRD_LAST_BUFFER, 89 }; 90 91 enum blackbird_picture_mask { 92 BLACKBIRD_PICTURE_MASK_NONE, 93 BLACKBIRD_PICTURE_MASK_I_FRAMES, 94 BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3, 95 BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7, 96 }; 97 98 enum blackbird_vbi_mode_bits { 99 BLACKBIRD_VBI_BITS_SLICED, 100 BLACKBIRD_VBI_BITS_RAW, 101 }; 102 103 enum blackbird_vbi_insertion_bits { 104 BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA, 105 BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1, 106 BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1, 107 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1, 108 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1, 109 }; 110 111 enum blackbird_dma_unit { 112 BLACKBIRD_DMA_BYTES, 113 BLACKBIRD_DMA_FRAMES, 114 }; 115 116 enum blackbird_dma_transfer_status_bits { 117 BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01, 118 BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04, 119 BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10, 120 }; 121 122 enum blackbird_pause { 123 BLACKBIRD_PAUSE_ENCODING, 124 BLACKBIRD_RESUME_ENCODING, 125 }; 126 127 enum blackbird_copyright { 128 BLACKBIRD_COPYRIGHT_OFF, 129 BLACKBIRD_COPYRIGHT_ON, 130 }; 131 132 enum blackbird_notification_type { 133 BLACKBIRD_NOTIFICATION_REFRESH, 134 }; 135 136 enum blackbird_notification_status { 137 BLACKBIRD_NOTIFICATION_OFF, 138 BLACKBIRD_NOTIFICATION_ON, 139 }; 140 141 enum blackbird_notification_mailbox { 142 BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1, 143 }; 144 145 enum blackbird_field1_lines { 146 BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */ 147 BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */ 148 BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */ 149 }; 150 151 enum blackbird_field2_lines { 152 BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */ 153 BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */ 154 BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */ 155 }; 156 157 enum blackbird_custom_data_type { 158 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA, 159 BLACKBIRD_CUSTOM_PRIVATE_PACKET, 160 }; 161 162 enum blackbird_mute { 163 BLACKBIRD_UNMUTE, 164 BLACKBIRD_MUTE, 165 }; 166 167 enum blackbird_mute_video_mask { 168 BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00, 169 BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000, 170 BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000, 171 }; 172 173 enum blackbird_mute_video_shift { 174 BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8, 175 BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16, 176 BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24, 177 }; 178 179 /* Registers */ 180 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/) 181 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/) 182 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/) 183 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/) 184 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/) 185 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/) 186 187 /* ------------------------------------------------------------------ */ 188 189 static void host_setup(struct cx88_core *core) 190 { 191 /* toggle reset of the host */ 192 cx_write(MO_GPHST_SOFT_RST, 1); 193 udelay(100); 194 cx_write(MO_GPHST_SOFT_RST, 0); 195 udelay(100); 196 197 /* host port setup */ 198 cx_write(MO_GPHST_WSC, 0x44444444U); 199 cx_write(MO_GPHST_XFR, 0); 200 cx_write(MO_GPHST_WDTH, 15); 201 cx_write(MO_GPHST_HDSHK, 0); 202 cx_write(MO_GPHST_MUX16, 0x44448888U); 203 cx_write(MO_GPHST_MODE, 0); 204 } 205 206 /* ------------------------------------------------------------------ */ 207 208 #define P1_MDATA0 0x390000 209 #define P1_MDATA1 0x390001 210 #define P1_MDATA2 0x390002 211 #define P1_MDATA3 0x390003 212 #define P1_MADDR2 0x390004 213 #define P1_MADDR1 0x390005 214 #define P1_MADDR0 0x390006 215 #define P1_RDATA0 0x390008 216 #define P1_RDATA1 0x390009 217 #define P1_RDATA2 0x39000A 218 #define P1_RDATA3 0x39000B 219 #define P1_RADDR0 0x39000C 220 #define P1_RADDR1 0x39000D 221 #define P1_RRDWR 0x39000E 222 223 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state) 224 { 225 unsigned long timeout = jiffies + msecs_to_jiffies(1); 226 u32 gpio0, need; 227 228 need = state ? 2 : 0; 229 for (;;) { 230 gpio0 = cx_read(MO_GP0_IO) & 2; 231 if (need == gpio0) 232 return 0; 233 if (time_after(jiffies, timeout)) 234 return -1; 235 udelay(1); 236 } 237 } 238 239 static int memory_write(struct cx88_core *core, u32 address, u32 value) 240 { 241 /* Warning: address is dword address (4 bytes) */ 242 cx_writeb(P1_MDATA0, (unsigned int)value); 243 cx_writeb(P1_MDATA1, (unsigned int)(value >> 8)); 244 cx_writeb(P1_MDATA2, (unsigned int)(value >> 16)); 245 cx_writeb(P1_MDATA3, (unsigned int)(value >> 24)); 246 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40); 247 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8)); 248 cx_writeb(P1_MADDR0, (unsigned int)address); 249 cx_read(P1_MDATA0); 250 cx_read(P1_MADDR0); 251 252 return wait_ready_gpio0_bit1(core, 1); 253 } 254 255 static int memory_read(struct cx88_core *core, u32 address, u32 *value) 256 { 257 int retval; 258 u32 val; 259 260 /* Warning: address is dword address (4 bytes) */ 261 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0); 262 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8)); 263 cx_writeb(P1_MADDR0, (unsigned int)address); 264 cx_read(P1_MADDR0); 265 266 retval = wait_ready_gpio0_bit1(core, 1); 267 268 cx_writeb(P1_MDATA3, 0); 269 val = (unsigned char)cx_read(P1_MDATA3) << 24; 270 cx_writeb(P1_MDATA2, 0); 271 val |= (unsigned char)cx_read(P1_MDATA2) << 16; 272 cx_writeb(P1_MDATA1, 0); 273 val |= (unsigned char)cx_read(P1_MDATA1) << 8; 274 cx_writeb(P1_MDATA0, 0); 275 val |= (unsigned char)cx_read(P1_MDATA0); 276 277 *value = val; 278 return retval; 279 } 280 281 static int register_write(struct cx88_core *core, u32 address, u32 value) 282 { 283 cx_writeb(P1_RDATA0, (unsigned int)value); 284 cx_writeb(P1_RDATA1, (unsigned int)(value >> 8)); 285 cx_writeb(P1_RDATA2, (unsigned int)(value >> 16)); 286 cx_writeb(P1_RDATA3, (unsigned int)(value >> 24)); 287 cx_writeb(P1_RADDR0, (unsigned int)address); 288 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8)); 289 cx_writeb(P1_RRDWR, 1); 290 cx_read(P1_RDATA0); 291 cx_read(P1_RADDR0); 292 293 return wait_ready_gpio0_bit1(core, 1); 294 } 295 296 static int register_read(struct cx88_core *core, u32 address, u32 *value) 297 { 298 int retval; 299 u32 val; 300 301 cx_writeb(P1_RADDR0, (unsigned int)address); 302 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8)); 303 cx_writeb(P1_RRDWR, 0); 304 cx_read(P1_RADDR0); 305 306 retval = wait_ready_gpio0_bit1(core, 1); 307 val = (unsigned char)cx_read(P1_RDATA0); 308 val |= (unsigned char)cx_read(P1_RDATA1) << 8; 309 val |= (unsigned char)cx_read(P1_RDATA2) << 16; 310 val |= (unsigned char)cx_read(P1_RDATA3) << 24; 311 312 *value = val; 313 return retval; 314 } 315 316 /* ------------------------------------------------------------------ */ 317 318 static int blackbird_mbox_func(void *priv, u32 command, int in, 319 int out, u32 data[CX2341X_MBOX_MAX_DATA]) 320 { 321 struct cx8802_dev *dev = priv; 322 unsigned long timeout; 323 u32 value, flag, retval; 324 int i; 325 326 dprintk(1, "%s: 0x%X\n", __func__, command); 327 328 /* 329 * this may not be 100% safe if we can't read any memory location 330 * without side effects 331 */ 332 memory_read(dev->core, dev->mailbox - 4, &value); 333 if (value != 0x12345678) { 334 dprintk(0, 335 "Firmware and/or mailbox pointer not initialized or corrupted\n"); 336 return -EIO; 337 } 338 339 memory_read(dev->core, dev->mailbox, &flag); 340 if (flag) { 341 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag); 342 return -EIO; 343 } 344 345 flag |= 1; /* tell 'em we're working on it */ 346 memory_write(dev->core, dev->mailbox, flag); 347 348 /* write command + args + fill remaining with zeros */ 349 memory_write(dev->core, dev->mailbox + 1, command); /* command code */ 350 /* timeout */ 351 memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); 352 for (i = 0; i < in; i++) { 353 memory_write(dev->core, dev->mailbox + 4 + i, data[i]); 354 dprintk(1, "API Input %d = %d\n", i, data[i]); 355 } 356 for (; i < CX2341X_MBOX_MAX_DATA; i++) 357 memory_write(dev->core, dev->mailbox + 4 + i, 0); 358 359 flag |= 3; /* tell 'em we're done writing */ 360 memory_write(dev->core, dev->mailbox, flag); 361 362 /* wait for firmware to handle the API command */ 363 timeout = jiffies + msecs_to_jiffies(1000); 364 for (;;) { 365 memory_read(dev->core, dev->mailbox, &flag); 366 if (0 != (flag & 4)) 367 break; 368 if (time_after(jiffies, timeout)) { 369 dprintk(0, "ERROR: API Mailbox timeout %x\n", command); 370 return -EIO; 371 } 372 udelay(10); 373 } 374 375 /* read output values */ 376 for (i = 0; i < out; i++) { 377 memory_read(dev->core, dev->mailbox + 4 + i, data + i); 378 dprintk(1, "API Output %d = %d\n", i, data[i]); 379 } 380 381 memory_read(dev->core, dev->mailbox + 2, &retval); 382 dprintk(1, "API result = %d\n", retval); 383 384 flag = 0; 385 memory_write(dev->core, dev->mailbox, flag); 386 return retval; 387 } 388 389 /* ------------------------------------------------------------------ */ 390 391 /* 392 * We don't need to call the API often, so using just one mailbox 393 * will probably suffice 394 */ 395 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command, 396 u32 inputcnt, u32 outputcnt, ...) 397 { 398 u32 data[CX2341X_MBOX_MAX_DATA]; 399 va_list vargs; 400 int i, err; 401 402 va_start(vargs, outputcnt); 403 404 for (i = 0; i < inputcnt; i++) 405 data[i] = va_arg(vargs, int); 406 407 err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data); 408 for (i = 0; i < outputcnt; i++) { 409 int *vptr = va_arg(vargs, int *); 410 *vptr = data[i]; 411 } 412 va_end(vargs); 413 return err; 414 } 415 416 static int blackbird_find_mailbox(struct cx8802_dev *dev) 417 { 418 u32 signature[4] = {0x12345678, 0x34567812, 0x56781234, 0x78123456}; 419 int signaturecnt = 0; 420 u32 value; 421 int i; 422 423 for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) { 424 memory_read(dev->core, i, &value); 425 if (value == signature[signaturecnt]) 426 signaturecnt++; 427 else 428 signaturecnt = 0; 429 if (signaturecnt == 4) { 430 dprintk(1, "Mailbox signature found\n"); 431 return i + 1; 432 } 433 } 434 dprintk(0, "Mailbox signature values not found!\n"); 435 return -EIO; 436 } 437 438 static int blackbird_load_firmware(struct cx8802_dev *dev) 439 { 440 static const unsigned char magic[8] = { 441 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa 442 }; 443 const struct firmware *firmware; 444 int i, retval = 0; 445 u32 value = 0; 446 u32 checksum = 0; 447 __le32 *dataptr; 448 449 retval = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED); 450 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, 451 IVTV_CMD_HW_BLOCKS_RST); 452 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 453 0x80000640); 454 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 455 0x1A); 456 usleep_range(10000, 20000); 457 retval |= register_write(dev->core, IVTV_REG_APU, 0); 458 459 if (retval < 0) 460 dprintk(0, "Error with register_write\n"); 461 462 retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME, 463 &dev->pci->dev); 464 465 if (retval != 0) { 466 pr_err("Hotplug firmware request failed (%s).\n", 467 CX2341X_FIRM_ENC_FILENAME); 468 pr_err("Please fix your hotplug setup, the board will not work without firmware loaded!\n"); 469 return -EIO; 470 } 471 472 if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) { 473 pr_err("Firmware size mismatch (have %zd, expected %d)\n", 474 firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE); 475 release_firmware(firmware); 476 return -EINVAL; 477 } 478 479 if (memcmp(firmware->data, magic, 8) != 0) { 480 pr_err("Firmware magic mismatch, wrong file?\n"); 481 release_firmware(firmware); 482 return -EINVAL; 483 } 484 485 /* transfer to the chip */ 486 dprintk(1, "Loading firmware ...\n"); 487 dataptr = (__le32 *)firmware->data; 488 for (i = 0; i < (firmware->size >> 2); i++) { 489 value = le32_to_cpu(*dataptr); 490 checksum += ~value; 491 memory_write(dev->core, i, value); 492 dataptr++; 493 } 494 495 /* read back to verify with the checksum */ 496 for (i--; i >= 0; i--) { 497 memory_read(dev->core, i, &value); 498 checksum -= ~value; 499 } 500 release_firmware(firmware); 501 if (checksum) { 502 pr_err("Firmware load might have failed (checksum mismatch).\n"); 503 return -EIO; 504 } 505 dprintk(0, "Firmware upload successful.\n"); 506 507 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, 508 IVTV_CMD_HW_BLOCKS_RST); 509 retval |= register_read(dev->core, IVTV_REG_SPU, &value); 510 retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE); 511 usleep_range(10000, 20000); 512 513 retval |= register_read(dev->core, IVTV_REG_VPU, &value); 514 retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8); 515 516 if (retval < 0) 517 dprintk(0, "Error with register_write\n"); 518 return 0; 519 } 520 521 /* 522 * Settings used by the windows tv app for PVR2000: 523 * ================================================================================================================= 524 * Profile | Codec | Resolution | CBR/VBR | Video Qlty | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode 525 * ----------------------------------------------------------------------------------------------------------------- 526 * MPEG-1 | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 2000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo 527 * MPEG-2 | MPEG2 | 720x576PAL | VBR | 600 :Good | 4000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo 528 * VCD | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 1150 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo 529 * DVD | MPEG2 | 720x576PAL | VBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo 530 * DB* DVD | MPEG2 | 720x576PAL | CBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo 531 * ================================================================================================================= 532 * [*] DB: "DirectBurn" 533 */ 534 535 static void blackbird_codec_settings(struct cx8802_dev *dev) 536 { 537 struct cx88_core *core = dev->core; 538 539 /* assign frame size */ 540 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0, 541 core->height, core->width); 542 543 dev->cxhdl.width = core->width; 544 dev->cxhdl.height = core->height; 545 cx2341x_handler_set_50hz(&dev->cxhdl, 546 dev->core->tvnorm & V4L2_STD_625_50); 547 cx2341x_handler_setup(&dev->cxhdl); 548 } 549 550 static int blackbird_initialize_codec(struct cx8802_dev *dev) 551 { 552 struct cx88_core *core = dev->core; 553 int version; 554 int retval; 555 556 dprintk(1, "Initialize codec\n"); 557 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */ 558 if (retval < 0) { 559 /* ping was not successful, reset and upload firmware */ 560 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */ 561 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */ 562 retval = blackbird_load_firmware(dev); 563 if (retval < 0) 564 return retval; 565 566 retval = blackbird_find_mailbox(dev); 567 if (retval < 0) 568 return -1; 569 570 dev->mailbox = retval; 571 572 /* ping */ 573 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); 574 if (retval < 0) { 575 dprintk(0, "ERROR: Firmware ping failed!\n"); 576 return -1; 577 } 578 579 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 580 0, 1, &version); 581 if (retval < 0) { 582 dprintk(0, 583 "ERROR: Firmware get encoder version failed!\n"); 584 return -1; 585 } 586 dprintk(0, "Firmware version is 0x%08x\n", version); 587 } 588 589 cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */ 590 cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */ 591 cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */ 592 cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */ 593 594 blackbird_codec_settings(dev); 595 596 blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0, 597 BLACKBIRD_FIELD1_SAA7115, BLACKBIRD_FIELD2_SAA7115); 598 599 blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0, 600 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA, 601 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 602 603 return 0; 604 } 605 606 static int blackbird_start_codec(struct cx8802_dev *dev) 607 { 608 struct cx88_core *core = dev->core; 609 /* start capturing to the host interface */ 610 u32 reg; 611 612 int i; 613 int lastchange = -1; 614 int lastval = 0; 615 616 for (i = 0; (i < 10) && (i < (lastchange + 4)); i++) { 617 reg = cx_read(AUD_STATUS); 618 619 dprintk(1, "AUD_STATUS:%dL: 0x%x\n", i, reg); 620 if ((reg & 0x0F) != lastval) { 621 lastval = reg & 0x0F; 622 lastchange = i; 623 } 624 msleep(100); 625 } 626 627 /* unmute audio source */ 628 cx_clear(AUD_VOL_CTL, (1 << 6)); 629 630 blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0, 0); 631 632 /* initialize the video input */ 633 blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0); 634 635 cx2341x_handler_set_busy(&dev->cxhdl, 1); 636 637 /* start capturing to the host interface */ 638 blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0, 639 BLACKBIRD_MPEG_CAPTURE, BLACKBIRD_RAW_BITS_NONE); 640 641 return 0; 642 } 643 644 static int blackbird_stop_codec(struct cx8802_dev *dev) 645 { 646 blackbird_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, 647 BLACKBIRD_END_NOW, 648 BLACKBIRD_MPEG_CAPTURE, 649 BLACKBIRD_RAW_BITS_NONE); 650 651 cx2341x_handler_set_busy(&dev->cxhdl, 0); 652 653 return 0; 654 } 655 656 /* ------------------------------------------------------------------ */ 657 658 static int queue_setup(struct vb2_queue *q, 659 unsigned int *num_buffers, unsigned int *num_planes, 660 unsigned int sizes[], struct device *alloc_devs[]) 661 { 662 struct cx8802_dev *dev = q->drv_priv; 663 664 *num_planes = 1; 665 dev->ts_packet_size = 188 * 4; 666 dev->ts_packet_count = 32; 667 sizes[0] = dev->ts_packet_size * dev->ts_packet_count; 668 return 0; 669 } 670 671 static int buffer_prepare(struct vb2_buffer *vb) 672 { 673 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 674 struct cx8802_dev *dev = vb->vb2_queue->drv_priv; 675 struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb); 676 677 return cx8802_buf_prepare(vb->vb2_queue, dev, buf); 678 } 679 680 static void buffer_finish(struct vb2_buffer *vb) 681 { 682 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 683 struct cx8802_dev *dev = vb->vb2_queue->drv_priv; 684 struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb); 685 struct cx88_riscmem *risc = &buf->risc; 686 687 if (risc->cpu) 688 dma_free_coherent(&dev->pci->dev, risc->size, risc->cpu, 689 risc->dma); 690 memset(risc, 0, sizeof(*risc)); 691 } 692 693 static void buffer_queue(struct vb2_buffer *vb) 694 { 695 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 696 struct cx8802_dev *dev = vb->vb2_queue->drv_priv; 697 struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb); 698 699 cx8802_buf_queue(dev, buf); 700 } 701 702 static int start_streaming(struct vb2_queue *q, unsigned int count) 703 { 704 struct cx8802_dev *dev = q->drv_priv; 705 struct cx88_dmaqueue *dmaq = &dev->mpegq; 706 struct cx8802_driver *drv; 707 struct cx88_buffer *buf; 708 unsigned long flags; 709 int err; 710 711 /* Make sure we can acquire the hardware */ 712 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD); 713 if (!drv) { 714 dprintk(1, "%s: blackbird driver is not loaded\n", __func__); 715 err = -ENODEV; 716 goto fail; 717 } 718 719 err = drv->request_acquire(drv); 720 if (err != 0) { 721 dprintk(1, "%s: Unable to acquire hardware, %d\n", __func__, 722 err); 723 goto fail; 724 } 725 726 if (blackbird_initialize_codec(dev) < 0) { 727 drv->request_release(drv); 728 err = -EINVAL; 729 goto fail; 730 } 731 732 err = blackbird_start_codec(dev); 733 if (err == 0) { 734 buf = list_entry(dmaq->active.next, struct cx88_buffer, list); 735 cx8802_start_dma(dev, dmaq, buf); 736 return 0; 737 } 738 739 fail: 740 spin_lock_irqsave(&dev->slock, flags); 741 while (!list_empty(&dmaq->active)) { 742 struct cx88_buffer *buf = list_entry(dmaq->active.next, 743 struct cx88_buffer, list); 744 745 list_del(&buf->list); 746 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_QUEUED); 747 } 748 spin_unlock_irqrestore(&dev->slock, flags); 749 return err; 750 } 751 752 static void stop_streaming(struct vb2_queue *q) 753 { 754 struct cx8802_dev *dev = q->drv_priv; 755 struct cx88_dmaqueue *dmaq = &dev->mpegq; 756 struct cx8802_driver *drv = NULL; 757 unsigned long flags; 758 759 cx8802_cancel_buffers(dev); 760 blackbird_stop_codec(dev); 761 762 /* Make sure we release the hardware */ 763 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD); 764 WARN_ON(!drv); 765 if (drv) 766 drv->request_release(drv); 767 768 spin_lock_irqsave(&dev->slock, flags); 769 while (!list_empty(&dmaq->active)) { 770 struct cx88_buffer *buf = list_entry(dmaq->active.next, 771 struct cx88_buffer, list); 772 773 list_del(&buf->list); 774 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); 775 } 776 spin_unlock_irqrestore(&dev->slock, flags); 777 } 778 779 static const struct vb2_ops blackbird_qops = { 780 .queue_setup = queue_setup, 781 .buf_prepare = buffer_prepare, 782 .buf_finish = buffer_finish, 783 .buf_queue = buffer_queue, 784 .wait_prepare = vb2_ops_wait_prepare, 785 .wait_finish = vb2_ops_wait_finish, 786 .start_streaming = start_streaming, 787 .stop_streaming = stop_streaming, 788 }; 789 790 /* ------------------------------------------------------------------ */ 791 792 static int vidioc_querycap(struct file *file, void *priv, 793 struct v4l2_capability *cap) 794 { 795 struct cx8802_dev *dev = video_drvdata(file); 796 struct cx88_core *core = dev->core; 797 798 strscpy(cap->driver, "cx88_blackbird", sizeof(cap->driver)); 799 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci)); 800 return cx88_querycap(file, core, cap); 801 } 802 803 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 804 struct v4l2_fmtdesc *f) 805 { 806 if (f->index != 0) 807 return -EINVAL; 808 809 f->pixelformat = V4L2_PIX_FMT_MPEG; 810 return 0; 811 } 812 813 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 814 struct v4l2_format *f) 815 { 816 struct cx8802_dev *dev = video_drvdata(file); 817 struct cx88_core *core = dev->core; 818 819 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; 820 f->fmt.pix.bytesperline = 0; 821 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; 822 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 823 f->fmt.pix.width = core->width; 824 f->fmt.pix.height = core->height; 825 f->fmt.pix.field = core->field; 826 return 0; 827 } 828 829 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 830 struct v4l2_format *f) 831 { 832 struct cx8802_dev *dev = video_drvdata(file); 833 struct cx88_core *core = dev->core; 834 unsigned int maxw, maxh; 835 enum v4l2_field field; 836 837 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; 838 f->fmt.pix.bytesperline = 0; 839 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; 840 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 841 842 maxw = norm_maxw(core->tvnorm); 843 maxh = norm_maxh(core->tvnorm); 844 845 field = f->fmt.pix.field; 846 847 switch (field) { 848 case V4L2_FIELD_TOP: 849 case V4L2_FIELD_BOTTOM: 850 case V4L2_FIELD_INTERLACED: 851 case V4L2_FIELD_SEQ_BT: 852 case V4L2_FIELD_SEQ_TB: 853 break; 854 default: 855 field = (f->fmt.pix.height > maxh / 2) 856 ? V4L2_FIELD_INTERLACED 857 : V4L2_FIELD_BOTTOM; 858 break; 859 } 860 if (V4L2_FIELD_HAS_T_OR_B(field)) 861 maxh /= 2; 862 863 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2, 864 &f->fmt.pix.height, 32, maxh, 0, 0); 865 f->fmt.pix.field = field; 866 return 0; 867 } 868 869 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 870 struct v4l2_format *f) 871 { 872 struct cx8802_dev *dev = video_drvdata(file); 873 struct cx88_core *core = dev->core; 874 875 if (vb2_is_busy(&dev->vb2_mpegq)) 876 return -EBUSY; 877 if (core->v4ldev && (vb2_is_busy(&core->v4ldev->vb2_vidq) || 878 vb2_is_busy(&core->v4ldev->vb2_vbiq))) 879 return -EBUSY; 880 vidioc_try_fmt_vid_cap(file, priv, f); 881 core->width = f->fmt.pix.width; 882 core->height = f->fmt.pix.height; 883 core->field = f->fmt.pix.field; 884 cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, 885 f->fmt.pix.field); 886 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0, 887 f->fmt.pix.height, f->fmt.pix.width); 888 return 0; 889 } 890 891 static int vidioc_s_frequency(struct file *file, void *priv, 892 const struct v4l2_frequency *f) 893 { 894 struct cx8802_dev *dev = video_drvdata(file); 895 struct cx88_core *core = dev->core; 896 bool streaming; 897 898 if (unlikely(core->board.tuner_type == UNSET)) 899 return -EINVAL; 900 if (unlikely(f->tuner != 0)) 901 return -EINVAL; 902 streaming = vb2_start_streaming_called(&dev->vb2_mpegq); 903 if (streaming) 904 blackbird_stop_codec(dev); 905 906 cx88_set_freq(core, f); 907 blackbird_initialize_codec(dev); 908 cx88_set_scale(core, core->width, core->height, core->field); 909 if (streaming) 910 blackbird_start_codec(dev); 911 return 0; 912 } 913 914 static int vidioc_log_status(struct file *file, void *priv) 915 { 916 struct cx8802_dev *dev = video_drvdata(file); 917 struct cx88_core *core = dev->core; 918 char name[32 + 2]; 919 920 snprintf(name, sizeof(name), "%s/2", core->name); 921 call_all(core, core, log_status); 922 v4l2_ctrl_handler_log_status(&dev->cxhdl.hdl, name); 923 return 0; 924 } 925 926 static int vidioc_enum_input(struct file *file, void *priv, 927 struct v4l2_input *i) 928 { 929 struct cx8802_dev *dev = video_drvdata(file); 930 struct cx88_core *core = dev->core; 931 932 return cx88_enum_input(core, i); 933 } 934 935 static int vidioc_g_frequency(struct file *file, void *priv, 936 struct v4l2_frequency *f) 937 { 938 struct cx8802_dev *dev = video_drvdata(file); 939 struct cx88_core *core = dev->core; 940 941 if (unlikely(core->board.tuner_type == UNSET)) 942 return -EINVAL; 943 if (unlikely(f->tuner != 0)) 944 return -EINVAL; 945 946 f->frequency = core->freq; 947 call_all(core, tuner, g_frequency, f); 948 949 return 0; 950 } 951 952 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) 953 { 954 struct cx8802_dev *dev = video_drvdata(file); 955 struct cx88_core *core = dev->core; 956 957 *i = core->input; 958 return 0; 959 } 960 961 static int vidioc_s_input(struct file *file, void *priv, unsigned int i) 962 { 963 struct cx8802_dev *dev = video_drvdata(file); 964 struct cx88_core *core = dev->core; 965 966 if (i >= 4) 967 return -EINVAL; 968 if (!INPUT(i).type) 969 return -EINVAL; 970 971 cx88_newstation(core); 972 cx88_video_mux(core, i); 973 return 0; 974 } 975 976 static int vidioc_g_tuner(struct file *file, void *priv, 977 struct v4l2_tuner *t) 978 { 979 struct cx8802_dev *dev = video_drvdata(file); 980 struct cx88_core *core = dev->core; 981 u32 reg; 982 983 if (unlikely(core->board.tuner_type == UNSET)) 984 return -EINVAL; 985 if (t->index != 0) 986 return -EINVAL; 987 988 strscpy(t->name, "Television", sizeof(t->name)); 989 t->capability = V4L2_TUNER_CAP_NORM; 990 t->rangehigh = 0xffffffffUL; 991 call_all(core, tuner, g_tuner, t); 992 993 cx88_get_stereo(core, t); 994 reg = cx_read(MO_DEVICE_STATUS); 995 t->signal = (reg & (1 << 5)) ? 0xffff : 0x0000; 996 return 0; 997 } 998 999 static int vidioc_s_tuner(struct file *file, void *priv, 1000 const struct v4l2_tuner *t) 1001 { 1002 struct cx8802_dev *dev = video_drvdata(file); 1003 struct cx88_core *core = dev->core; 1004 1005 if (core->board.tuner_type == UNSET) 1006 return -EINVAL; 1007 if (t->index != 0) 1008 return -EINVAL; 1009 1010 cx88_set_stereo(core, t->audmode, 1); 1011 return 0; 1012 } 1013 1014 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm) 1015 { 1016 struct cx8802_dev *dev = video_drvdata(file); 1017 struct cx88_core *core = dev->core; 1018 1019 *tvnorm = core->tvnorm; 1020 return 0; 1021 } 1022 1023 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id) 1024 { 1025 struct cx8802_dev *dev = video_drvdata(file); 1026 struct cx88_core *core = dev->core; 1027 1028 return cx88_set_tvnorm(core, id); 1029 } 1030 1031 static const struct v4l2_file_operations mpeg_fops = { 1032 .owner = THIS_MODULE, 1033 .open = v4l2_fh_open, 1034 .release = vb2_fop_release, 1035 .read = vb2_fop_read, 1036 .poll = vb2_fop_poll, 1037 .mmap = vb2_fop_mmap, 1038 .unlocked_ioctl = video_ioctl2, 1039 }; 1040 1041 static const struct v4l2_ioctl_ops mpeg_ioctl_ops = { 1042 .vidioc_querycap = vidioc_querycap, 1043 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 1044 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 1045 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 1046 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 1047 .vidioc_reqbufs = vb2_ioctl_reqbufs, 1048 .vidioc_querybuf = vb2_ioctl_querybuf, 1049 .vidioc_qbuf = vb2_ioctl_qbuf, 1050 .vidioc_dqbuf = vb2_ioctl_dqbuf, 1051 .vidioc_streamon = vb2_ioctl_streamon, 1052 .vidioc_streamoff = vb2_ioctl_streamoff, 1053 .vidioc_s_frequency = vidioc_s_frequency, 1054 .vidioc_log_status = vidioc_log_status, 1055 .vidioc_enum_input = vidioc_enum_input, 1056 .vidioc_g_frequency = vidioc_g_frequency, 1057 .vidioc_g_input = vidioc_g_input, 1058 .vidioc_s_input = vidioc_s_input, 1059 .vidioc_g_tuner = vidioc_g_tuner, 1060 .vidioc_s_tuner = vidioc_s_tuner, 1061 .vidioc_g_std = vidioc_g_std, 1062 .vidioc_s_std = vidioc_s_std, 1063 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 1064 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1065 }; 1066 1067 static const struct video_device cx8802_mpeg_template = { 1068 .name = "cx8802", 1069 .fops = &mpeg_fops, 1070 .ioctl_ops = &mpeg_ioctl_ops, 1071 .tvnorms = CX88_NORMS, 1072 }; 1073 1074 /* ------------------------------------------------------------------ */ 1075 1076 /* The CX8802 MPEG API will call this when we can use the hardware */ 1077 static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv) 1078 { 1079 struct cx88_core *core = drv->core; 1080 int err = 0; 1081 1082 switch (core->boardnr) { 1083 case CX88_BOARD_HAUPPAUGE_HVR1300: 1084 /* 1085 * By default, core setup will leave the cx22702 out of reset, 1086 * on the bus. 1087 * We left the hardware on power up with the cx22702 active. 1088 * We're being given access to re-arrange the GPIOs. 1089 * Take the bus off the cx22702 and put the cx23416 on it. 1090 */ 1091 /* Toggle reset on cx22702 leaving i2c active */ 1092 cx_set(MO_GP0_IO, 0x00000080); 1093 udelay(1000); 1094 cx_clear(MO_GP0_IO, 0x00000080); 1095 udelay(50); 1096 cx_set(MO_GP0_IO, 0x00000080); 1097 udelay(1000); 1098 /* tri-state the cx22702 pins */ 1099 cx_set(MO_GP0_IO, 0x00000004); 1100 udelay(1000); 1101 break; 1102 default: 1103 err = -ENODEV; 1104 } 1105 return err; 1106 } 1107 1108 /* The CX8802 MPEG API will call this when we need to release the hardware */ 1109 static int cx8802_blackbird_advise_release(struct cx8802_driver *drv) 1110 { 1111 struct cx88_core *core = drv->core; 1112 int err = 0; 1113 1114 switch (core->boardnr) { 1115 case CX88_BOARD_HAUPPAUGE_HVR1300: 1116 /* Exit leaving the cx23416 on the bus */ 1117 break; 1118 default: 1119 err = -ENODEV; 1120 } 1121 return err; 1122 } 1123 1124 static void blackbird_unregister_video(struct cx8802_dev *dev) 1125 { 1126 video_unregister_device(&dev->mpeg_dev); 1127 } 1128 1129 static int blackbird_register_video(struct cx8802_dev *dev) 1130 { 1131 int err; 1132 1133 cx88_vdev_init(dev->core, dev->pci, &dev->mpeg_dev, 1134 &cx8802_mpeg_template, "mpeg"); 1135 dev->mpeg_dev.ctrl_handler = &dev->cxhdl.hdl; 1136 video_set_drvdata(&dev->mpeg_dev, dev); 1137 dev->mpeg_dev.queue = &dev->vb2_mpegq; 1138 dev->mpeg_dev.device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | 1139 V4L2_CAP_VIDEO_CAPTURE; 1140 if (dev->core->board.tuner_type != UNSET) 1141 dev->mpeg_dev.device_caps |= V4L2_CAP_TUNER; 1142 err = video_register_device(&dev->mpeg_dev, VFL_TYPE_VIDEO, -1); 1143 if (err < 0) { 1144 pr_info("can't register mpeg device\n"); 1145 return err; 1146 } 1147 pr_info("registered device %s [mpeg]\n", 1148 video_device_node_name(&dev->mpeg_dev)); 1149 return 0; 1150 } 1151 1152 /* ----------------------------------------------------------- */ 1153 1154 static int cx8802_blackbird_probe(struct cx8802_driver *drv) 1155 { 1156 struct cx88_core *core = drv->core; 1157 struct cx8802_dev *dev = core->dvbdev; 1158 struct vb2_queue *q; 1159 int err; 1160 1161 dprintk(1, "%s\n", __func__); 1162 dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n", 1163 core->boardnr, 1164 core->name, 1165 core->pci_bus, 1166 core->pci_slot); 1167 1168 err = -ENODEV; 1169 if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD)) 1170 goto fail_core; 1171 1172 dev->cxhdl.port = CX2341X_PORT_STREAMING; 1173 dev->cxhdl.width = core->width; 1174 dev->cxhdl.height = core->height; 1175 dev->cxhdl.func = blackbird_mbox_func; 1176 dev->cxhdl.priv = dev; 1177 err = cx2341x_handler_init(&dev->cxhdl, 36); 1178 if (err) 1179 goto fail_core; 1180 v4l2_ctrl_add_handler(&dev->cxhdl.hdl, &core->video_hdl, NULL, false); 1181 1182 /* blackbird stuff */ 1183 pr_info("cx23416 based mpeg encoder (blackbird reference design)\n"); 1184 host_setup(dev->core); 1185 1186 blackbird_initialize_codec(dev); 1187 1188 /* initial device configuration: needed ? */ 1189 // init_controls(core); 1190 cx88_set_tvnorm(core, core->tvnorm); 1191 cx88_video_mux(core, 0); 1192 cx2341x_handler_set_50hz(&dev->cxhdl, core->height == 576); 1193 cx2341x_handler_setup(&dev->cxhdl); 1194 1195 q = &dev->vb2_mpegq; 1196 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1197 q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ; 1198 q->gfp_flags = GFP_DMA32; 1199 q->min_buffers_needed = 2; 1200 q->drv_priv = dev; 1201 q->buf_struct_size = sizeof(struct cx88_buffer); 1202 q->ops = &blackbird_qops; 1203 q->mem_ops = &vb2_dma_sg_memops; 1204 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1205 q->lock = &core->lock; 1206 q->dev = &dev->pci->dev; 1207 1208 err = vb2_queue_init(q); 1209 if (err < 0) 1210 goto fail_core; 1211 1212 blackbird_register_video(dev); 1213 1214 return 0; 1215 1216 fail_core: 1217 return err; 1218 } 1219 1220 static int cx8802_blackbird_remove(struct cx8802_driver *drv) 1221 { 1222 struct cx88_core *core = drv->core; 1223 struct cx8802_dev *dev = core->dvbdev; 1224 1225 /* blackbird */ 1226 blackbird_unregister_video(drv->core->dvbdev); 1227 v4l2_ctrl_handler_free(&dev->cxhdl.hdl); 1228 1229 return 0; 1230 } 1231 1232 static struct cx8802_driver cx8802_blackbird_driver = { 1233 .type_id = CX88_MPEG_BLACKBIRD, 1234 .hw_access = CX8802_DRVCTL_SHARED, 1235 .probe = cx8802_blackbird_probe, 1236 .remove = cx8802_blackbird_remove, 1237 .advise_acquire = cx8802_blackbird_advise_acquire, 1238 .advise_release = cx8802_blackbird_advise_release, 1239 }; 1240 1241 static int __init blackbird_init(void) 1242 { 1243 pr_info("cx2388x blackbird driver version %s loaded\n", 1244 CX88_VERSION); 1245 return cx8802_register_driver(&cx8802_blackbird_driver); 1246 } 1247 1248 static void __exit blackbird_fini(void) 1249 { 1250 cx8802_unregister_driver(&cx8802_blackbird_driver); 1251 } 1252 1253 module_init(blackbird_init); 1254 module_exit(blackbird_fini); 1255