1 /* 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@infradead.org> 10 * - video_ioctl2 conversion 11 * 12 * Includes parts from the ivtv driver <http://sourceforge.net/projects/ivtv/> 13 * 14 * This program is free software; you can redistribute it and/or modify 15 * it under the terms of the GNU General Public License as published by 16 * the Free Software Foundation; either version 2 of the License, or 17 * (at your option) any later version. 18 * 19 * This program is distributed in the hope that it will be useful, 20 * but WITHOUT ANY WARRANTY; without even the implied warranty of 21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 22 * GNU General Public License for more details. 23 * 24 * You should have received a copy of the GNU General Public License 25 * along with this program; if not, write to the Free Software 26 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 27 */ 28 29 #include <linux/module.h> 30 #include <linux/init.h> 31 #include <linux/slab.h> 32 #include <linux/fs.h> 33 #include <linux/delay.h> 34 #include <linux/device.h> 35 #include <linux/firmware.h> 36 #include <media/v4l2-common.h> 37 #include <media/v4l2-ioctl.h> 38 #include <media/v4l2-event.h> 39 #include <media/cx2341x.h> 40 41 #include "cx88.h" 42 43 MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards"); 44 MODULE_AUTHOR("Jelle Foks <jelle@foks.us>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); 45 MODULE_LICENSE("GPL"); 46 MODULE_VERSION(CX88_VERSION); 47 48 static unsigned int mpegbufs = 32; 49 module_param(mpegbufs,int,0644); 50 MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32"); 51 52 static unsigned int debug; 53 module_param(debug,int,0644); 54 MODULE_PARM_DESC(debug,"enable debug messages [blackbird]"); 55 56 #define dprintk(level, fmt, arg...) do { \ 57 if (debug + 1 > level) \ 58 printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg); \ 59 } while(0) 60 61 /* ------------------------------------------------------------------ */ 62 63 #define BLACKBIRD_FIRM_IMAGE_SIZE 376836 64 65 /* defines below are from ivtv-driver.h */ 66 67 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF 68 69 /* Firmware API commands */ 70 #define IVTV_API_STD_TIMEOUT 500 71 72 enum blackbird_capture_type { 73 BLACKBIRD_MPEG_CAPTURE, 74 BLACKBIRD_RAW_CAPTURE, 75 BLACKBIRD_RAW_PASSTHRU_CAPTURE 76 }; 77 enum blackbird_capture_bits { 78 BLACKBIRD_RAW_BITS_NONE = 0x00, 79 BLACKBIRD_RAW_BITS_YUV_CAPTURE = 0x01, 80 BLACKBIRD_RAW_BITS_PCM_CAPTURE = 0x02, 81 BLACKBIRD_RAW_BITS_VBI_CAPTURE = 0x04, 82 BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08, 83 BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE = 0x10 84 }; 85 enum blackbird_capture_end { 86 BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */ 87 BLACKBIRD_END_NOW, /* stop immediately, no irq */ 88 }; 89 enum blackbird_framerate { 90 BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */ 91 BLACKBIRD_FRAMERATE_PAL_25 /* PAL: 25fps */ 92 }; 93 enum blackbird_stream_port { 94 BLACKBIRD_OUTPUT_PORT_MEMORY, 95 BLACKBIRD_OUTPUT_PORT_STREAMING, 96 BLACKBIRD_OUTPUT_PORT_SERIAL 97 }; 98 enum blackbird_data_xfer_status { 99 BLACKBIRD_MORE_BUFFERS_FOLLOW, 100 BLACKBIRD_LAST_BUFFER, 101 }; 102 enum blackbird_picture_mask { 103 BLACKBIRD_PICTURE_MASK_NONE, 104 BLACKBIRD_PICTURE_MASK_I_FRAMES, 105 BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3, 106 BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7, 107 }; 108 enum blackbird_vbi_mode_bits { 109 BLACKBIRD_VBI_BITS_SLICED, 110 BLACKBIRD_VBI_BITS_RAW, 111 }; 112 enum blackbird_vbi_insertion_bits { 113 BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA, 114 BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1, 115 BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1, 116 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1, 117 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1, 118 }; 119 enum blackbird_dma_unit { 120 BLACKBIRD_DMA_BYTES, 121 BLACKBIRD_DMA_FRAMES, 122 }; 123 enum blackbird_dma_transfer_status_bits { 124 BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01, 125 BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04, 126 BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10, 127 }; 128 enum blackbird_pause { 129 BLACKBIRD_PAUSE_ENCODING, 130 BLACKBIRD_RESUME_ENCODING, 131 }; 132 enum blackbird_copyright { 133 BLACKBIRD_COPYRIGHT_OFF, 134 BLACKBIRD_COPYRIGHT_ON, 135 }; 136 enum blackbird_notification_type { 137 BLACKBIRD_NOTIFICATION_REFRESH, 138 }; 139 enum blackbird_notification_status { 140 BLACKBIRD_NOTIFICATION_OFF, 141 BLACKBIRD_NOTIFICATION_ON, 142 }; 143 enum blackbird_notification_mailbox { 144 BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1, 145 }; 146 enum blackbird_field1_lines { 147 BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */ 148 BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */ 149 BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */ 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 enum blackbird_custom_data_type { 157 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA, 158 BLACKBIRD_CUSTOM_PRIVATE_PACKET, 159 }; 160 enum blackbird_mute { 161 BLACKBIRD_UNMUTE, 162 BLACKBIRD_MUTE, 163 }; 164 enum blackbird_mute_video_mask { 165 BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00, 166 BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000, 167 BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000, 168 }; 169 enum blackbird_mute_video_shift { 170 BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8, 171 BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16, 172 BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24, 173 }; 174 175 /* Registers */ 176 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/) 177 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/) 178 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/) 179 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/) 180 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/) 181 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/) 182 183 /* ------------------------------------------------------------------ */ 184 185 static void host_setup(struct cx88_core *core) 186 { 187 /* toggle reset of the host */ 188 cx_write(MO_GPHST_SOFT_RST, 1); 189 udelay(100); 190 cx_write(MO_GPHST_SOFT_RST, 0); 191 udelay(100); 192 193 /* host port setup */ 194 cx_write(MO_GPHST_WSC, 0x44444444U); 195 cx_write(MO_GPHST_XFR, 0); 196 cx_write(MO_GPHST_WDTH, 15); 197 cx_write(MO_GPHST_HDSHK, 0); 198 cx_write(MO_GPHST_MUX16, 0x44448888U); 199 cx_write(MO_GPHST_MODE, 0); 200 } 201 202 /* ------------------------------------------------------------------ */ 203 204 #define P1_MDATA0 0x390000 205 #define P1_MDATA1 0x390001 206 #define P1_MDATA2 0x390002 207 #define P1_MDATA3 0x390003 208 #define P1_MADDR2 0x390004 209 #define P1_MADDR1 0x390005 210 #define P1_MADDR0 0x390006 211 #define P1_RDATA0 0x390008 212 #define P1_RDATA1 0x390009 213 #define P1_RDATA2 0x39000A 214 #define P1_RDATA3 0x39000B 215 #define P1_RADDR0 0x39000C 216 #define P1_RADDR1 0x39000D 217 #define P1_RRDWR 0x39000E 218 219 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state) 220 { 221 unsigned long timeout = jiffies + msecs_to_jiffies(1); 222 u32 gpio0,need; 223 224 need = state ? 2 : 0; 225 for (;;) { 226 gpio0 = cx_read(MO_GP0_IO) & 2; 227 if (need == gpio0) 228 return 0; 229 if (time_after(jiffies,timeout)) 230 return -1; 231 udelay(1); 232 } 233 } 234 235 static int memory_write(struct cx88_core *core, u32 address, u32 value) 236 { 237 /* Warning: address is dword address (4 bytes) */ 238 cx_writeb(P1_MDATA0, (unsigned int)value); 239 cx_writeb(P1_MDATA1, (unsigned int)(value >> 8)); 240 cx_writeb(P1_MDATA2, (unsigned int)(value >> 16)); 241 cx_writeb(P1_MDATA3, (unsigned int)(value >> 24)); 242 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40); 243 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8)); 244 cx_writeb(P1_MADDR0, (unsigned int)address); 245 cx_read(P1_MDATA0); 246 cx_read(P1_MADDR0); 247 248 return wait_ready_gpio0_bit1(core,1); 249 } 250 251 static int memory_read(struct cx88_core *core, u32 address, u32 *value) 252 { 253 int retval; 254 u32 val; 255 256 /* Warning: address is dword address (4 bytes) */ 257 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0); 258 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8)); 259 cx_writeb(P1_MADDR0, (unsigned int)address); 260 cx_read(P1_MADDR0); 261 262 retval = wait_ready_gpio0_bit1(core,1); 263 264 cx_writeb(P1_MDATA3, 0); 265 val = (unsigned char)cx_read(P1_MDATA3) << 24; 266 cx_writeb(P1_MDATA2, 0); 267 val |= (unsigned char)cx_read(P1_MDATA2) << 16; 268 cx_writeb(P1_MDATA1, 0); 269 val |= (unsigned char)cx_read(P1_MDATA1) << 8; 270 cx_writeb(P1_MDATA0, 0); 271 val |= (unsigned char)cx_read(P1_MDATA0); 272 273 *value = val; 274 return retval; 275 } 276 277 static int register_write(struct cx88_core *core, u32 address, u32 value) 278 { 279 cx_writeb(P1_RDATA0, (unsigned int)value); 280 cx_writeb(P1_RDATA1, (unsigned int)(value >> 8)); 281 cx_writeb(P1_RDATA2, (unsigned int)(value >> 16)); 282 cx_writeb(P1_RDATA3, (unsigned int)(value >> 24)); 283 cx_writeb(P1_RADDR0, (unsigned int)address); 284 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8)); 285 cx_writeb(P1_RRDWR, 1); 286 cx_read(P1_RDATA0); 287 cx_read(P1_RADDR0); 288 289 return wait_ready_gpio0_bit1(core,1); 290 } 291 292 293 static int register_read(struct cx88_core *core, u32 address, u32 *value) 294 { 295 int retval; 296 u32 val; 297 298 cx_writeb(P1_RADDR0, (unsigned int)address); 299 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8)); 300 cx_writeb(P1_RRDWR, 0); 301 cx_read(P1_RADDR0); 302 303 retval = wait_ready_gpio0_bit1(core,1); 304 val = (unsigned char)cx_read(P1_RDATA0); 305 val |= (unsigned char)cx_read(P1_RDATA1) << 8; 306 val |= (unsigned char)cx_read(P1_RDATA2) << 16; 307 val |= (unsigned char)cx_read(P1_RDATA3) << 24; 308 309 *value = val; 310 return retval; 311 } 312 313 /* ------------------------------------------------------------------ */ 314 315 static int blackbird_mbox_func(void *priv, u32 command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA]) 316 { 317 struct cx8802_dev *dev = priv; 318 unsigned long timeout; 319 u32 value, flag, retval; 320 int i; 321 322 dprintk(1,"%s: 0x%X\n", __func__, command); 323 324 /* this may not be 100% safe if we can't read any memory location 325 without side effects */ 326 memory_read(dev->core, dev->mailbox - 4, &value); 327 if (value != 0x12345678) { 328 dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n"); 329 return -1; 330 } 331 332 memory_read(dev->core, dev->mailbox, &flag); 333 if (flag) { 334 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag); 335 return -1; 336 } 337 338 flag |= 1; /* tell 'em we're working on it */ 339 memory_write(dev->core, dev->mailbox, flag); 340 341 /* write command + args + fill remaining with zeros */ 342 memory_write(dev->core, dev->mailbox + 1, command); /* command code */ 343 memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */ 344 for (i = 0; i < in; i++) { 345 memory_write(dev->core, dev->mailbox + 4 + i, data[i]); 346 dprintk(1, "API Input %d = %d\n", i, data[i]); 347 } 348 for (; i < CX2341X_MBOX_MAX_DATA; i++) 349 memory_write(dev->core, dev->mailbox + 4 + i, 0); 350 351 flag |= 3; /* tell 'em we're done writing */ 352 memory_write(dev->core, dev->mailbox, flag); 353 354 /* wait for firmware to handle the API command */ 355 timeout = jiffies + msecs_to_jiffies(10); 356 for (;;) { 357 memory_read(dev->core, dev->mailbox, &flag); 358 if (0 != (flag & 4)) 359 break; 360 if (time_after(jiffies,timeout)) { 361 dprintk(0, "ERROR: API Mailbox timeout\n"); 362 return -1; 363 } 364 udelay(10); 365 } 366 367 /* read output values */ 368 for (i = 0; i < out; i++) { 369 memory_read(dev->core, dev->mailbox + 4 + i, data + i); 370 dprintk(1, "API Output %d = %d\n", i, data[i]); 371 } 372 373 memory_read(dev->core, dev->mailbox + 2, &retval); 374 dprintk(1, "API result = %d\n",retval); 375 376 flag = 0; 377 memory_write(dev->core, dev->mailbox, flag); 378 return retval; 379 } 380 /* ------------------------------------------------------------------ */ 381 382 /* We don't need to call the API often, so using just one mailbox will probably suffice */ 383 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command, 384 u32 inputcnt, u32 outputcnt, ...) 385 { 386 u32 data[CX2341X_MBOX_MAX_DATA]; 387 va_list vargs; 388 int i, err; 389 390 va_start(vargs, outputcnt); 391 392 for (i = 0; i < inputcnt; i++) { 393 data[i] = va_arg(vargs, int); 394 } 395 err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data); 396 for (i = 0; i < outputcnt; i++) { 397 int *vptr = va_arg(vargs, int *); 398 *vptr = data[i]; 399 } 400 va_end(vargs); 401 return err; 402 } 403 404 static int blackbird_find_mailbox(struct cx8802_dev *dev) 405 { 406 u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456}; 407 int signaturecnt=0; 408 u32 value; 409 int i; 410 411 for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) { 412 memory_read(dev->core, i, &value); 413 if (value == signature[signaturecnt]) 414 signaturecnt++; 415 else 416 signaturecnt = 0; 417 if (4 == signaturecnt) { 418 dprintk(1, "Mailbox signature found\n"); 419 return i+1; 420 } 421 } 422 dprintk(0, "Mailbox signature values not found!\n"); 423 return -1; 424 } 425 426 static int blackbird_load_firmware(struct cx8802_dev *dev) 427 { 428 static const unsigned char magic[8] = { 429 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa 430 }; 431 const struct firmware *firmware; 432 int i, retval = 0; 433 u32 value = 0; 434 u32 checksum = 0; 435 u32 *dataptr; 436 437 retval = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED); 438 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST); 439 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640); 440 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A); 441 msleep(1); 442 retval |= register_write(dev->core, IVTV_REG_APU, 0); 443 444 if (retval < 0) 445 dprintk(0, "Error with register_write\n"); 446 447 retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME, 448 &dev->pci->dev); 449 450 451 if (retval != 0) { 452 dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n", 453 CX2341X_FIRM_ENC_FILENAME); 454 dprintk(0, "Please fix your hotplug setup, the board will " 455 "not work without firmware loaded!\n"); 456 return -1; 457 } 458 459 if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) { 460 dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n", 461 firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE); 462 release_firmware(firmware); 463 return -1; 464 } 465 466 if (0 != memcmp(firmware->data, magic, 8)) { 467 dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n"); 468 release_firmware(firmware); 469 return -1; 470 } 471 472 /* transfer to the chip */ 473 dprintk(1,"Loading firmware ...\n"); 474 dataptr = (u32*)firmware->data; 475 for (i = 0; i < (firmware->size >> 2); i++) { 476 value = le32_to_cpu(*dataptr); 477 checksum += ~value; 478 memory_write(dev->core, i, value); 479 dataptr++; 480 } 481 482 /* read back to verify with the checksum */ 483 for (i--; i >= 0; i--) { 484 memory_read(dev->core, i, &value); 485 checksum -= ~value; 486 } 487 if (checksum) { 488 dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n"); 489 release_firmware(firmware); 490 return -1; 491 } 492 release_firmware(firmware); 493 dprintk(0, "Firmware upload successful.\n"); 494 495 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST); 496 retval |= register_read(dev->core, IVTV_REG_SPU, &value); 497 retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE); 498 msleep(1); 499 500 retval |= register_read(dev->core, IVTV_REG_VPU, &value); 501 retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8); 502 503 if (retval < 0) 504 dprintk(0, "Error with register_write\n"); 505 return 0; 506 } 507 508 /** 509 Settings used by the windows tv app for PVR2000: 510 ================================================================================================================= 511 Profile | Codec | Resolution | CBR/VBR | Video Qlty | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode 512 ----------------------------------------------------------------------------------------------------------------- 513 MPEG-1 | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 2000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo 514 MPEG-2 | MPEG2 | 720x576PAL | VBR | 600 :Good | 4000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo 515 VCD | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 1150 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo 516 DVD | MPEG2 | 720x576PAL | VBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo 517 DB* DVD | MPEG2 | 720x576PAL | CBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo 518 ================================================================================================================= 519 *DB: "DirectBurn" 520 */ 521 522 static void blackbird_codec_settings(struct cx8802_dev *dev) 523 { 524 /* assign frame size */ 525 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0, 526 dev->height, dev->width); 527 528 dev->cxhdl.width = dev->width; 529 dev->cxhdl.height = dev->height; 530 cx2341x_handler_set_50hz(&dev->cxhdl, dev->core->tvnorm & V4L2_STD_625_50); 531 cx2341x_handler_setup(&dev->cxhdl); 532 } 533 534 static int blackbird_initialize_codec(struct cx8802_dev *dev) 535 { 536 struct cx88_core *core = dev->core; 537 int version; 538 int retval; 539 540 dprintk(1,"Initialize codec\n"); 541 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */ 542 if (retval < 0) { 543 544 dev->mpeg_active = 0; 545 546 /* ping was not successful, reset and upload firmware */ 547 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */ 548 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */ 549 retval = blackbird_load_firmware(dev); 550 if (retval < 0) 551 return retval; 552 553 retval = blackbird_find_mailbox(dev); 554 if (retval < 0) 555 return -1; 556 557 dev->mailbox = retval; 558 559 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */ 560 if (retval < 0) { 561 dprintk(0, "ERROR: Firmware ping failed!\n"); 562 return -1; 563 } 564 565 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version); 566 if (retval < 0) { 567 dprintk(0, "ERROR: Firmware get encoder version failed!\n"); 568 return -1; 569 } 570 dprintk(0, "Firmware version is 0x%08x\n", version); 571 } 572 573 cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */ 574 cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */ 575 cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */ 576 cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */ 577 578 blackbird_codec_settings(dev); 579 580 blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0, 581 BLACKBIRD_FIELD1_SAA7115, 582 BLACKBIRD_FIELD2_SAA7115 583 ); 584 585 blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0, 586 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA, 587 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 588 589 return 0; 590 } 591 592 static int blackbird_start_codec(struct file *file, void *priv) 593 { 594 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev; 595 struct cx88_core *core = dev->core; 596 /* start capturing to the host interface */ 597 u32 reg; 598 599 int i; 600 int lastchange = -1; 601 int lastval = 0; 602 603 for (i = 0; (i < 10) && (i < (lastchange + 4)); i++) { 604 reg = cx_read(AUD_STATUS); 605 606 dprintk(1, "AUD_STATUS:%dL: 0x%x\n", i, reg); 607 if ((reg & 0x0F) != lastval) { 608 lastval = reg & 0x0F; 609 lastchange = i; 610 } 611 msleep(100); 612 } 613 614 /* unmute audio source */ 615 cx_clear(AUD_VOL_CTL, (1 << 6)); 616 617 blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0, 0); 618 619 /* initialize the video input */ 620 blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0); 621 622 cx2341x_handler_set_busy(&dev->cxhdl, 1); 623 624 /* start capturing to the host interface */ 625 blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0, 626 BLACKBIRD_MPEG_CAPTURE, 627 BLACKBIRD_RAW_BITS_NONE 628 ); 629 630 dev->mpeg_active = 1; 631 return 0; 632 } 633 634 static int blackbird_stop_codec(struct cx8802_dev *dev) 635 { 636 blackbird_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, 637 BLACKBIRD_END_NOW, 638 BLACKBIRD_MPEG_CAPTURE, 639 BLACKBIRD_RAW_BITS_NONE 640 ); 641 642 cx2341x_handler_set_busy(&dev->cxhdl, 0); 643 644 dev->mpeg_active = 0; 645 return 0; 646 } 647 648 /* ------------------------------------------------------------------ */ 649 650 static int bb_buf_setup(struct videobuf_queue *q, 651 unsigned int *count, unsigned int *size) 652 { 653 struct cx8802_fh *fh = q->priv_data; 654 655 fh->dev->ts_packet_size = 188 * 4; /* was: 512 */ 656 fh->dev->ts_packet_count = mpegbufs; /* was: 100 */ 657 658 *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count; 659 *count = fh->dev->ts_packet_count; 660 return 0; 661 } 662 663 static int 664 bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, 665 enum v4l2_field field) 666 { 667 struct cx8802_fh *fh = q->priv_data; 668 return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field); 669 } 670 671 static void 672 bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) 673 { 674 struct cx8802_fh *fh = q->priv_data; 675 cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb); 676 } 677 678 static void 679 bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb) 680 { 681 cx88_free_buffer(q, (struct cx88_buffer*)vb); 682 } 683 684 static struct videobuf_queue_ops blackbird_qops = { 685 .buf_setup = bb_buf_setup, 686 .buf_prepare = bb_buf_prepare, 687 .buf_queue = bb_buf_queue, 688 .buf_release = bb_buf_release, 689 }; 690 691 /* ------------------------------------------------------------------ */ 692 693 static int vidioc_querycap(struct file *file, void *priv, 694 struct v4l2_capability *cap) 695 { 696 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev; 697 struct cx88_core *core = dev->core; 698 699 strcpy(cap->driver, "cx88_blackbird"); 700 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci)); 701 cx88_querycap(file, core, cap); 702 return 0; 703 } 704 705 static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv, 706 struct v4l2_fmtdesc *f) 707 { 708 if (f->index != 0) 709 return -EINVAL; 710 711 strlcpy(f->description, "MPEG", sizeof(f->description)); 712 f->pixelformat = V4L2_PIX_FMT_MPEG; 713 f->flags = V4L2_FMT_FLAG_COMPRESSED; 714 return 0; 715 } 716 717 static int vidioc_g_fmt_vid_cap (struct file *file, void *priv, 718 struct v4l2_format *f) 719 { 720 struct cx8802_fh *fh = priv; 721 struct cx8802_dev *dev = fh->dev; 722 723 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; 724 f->fmt.pix.bytesperline = 0; 725 f->fmt.pix.sizeimage = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */ 726 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 727 f->fmt.pix.width = dev->width; 728 f->fmt.pix.height = dev->height; 729 f->fmt.pix.field = fh->mpegq.field; 730 dprintk(1, "VIDIOC_G_FMT: w: %d, h: %d, f: %d\n", 731 dev->width, dev->height, fh->mpegq.field ); 732 return 0; 733 } 734 735 static int vidioc_try_fmt_vid_cap (struct file *file, void *priv, 736 struct v4l2_format *f) 737 { 738 struct cx8802_fh *fh = priv; 739 struct cx8802_dev *dev = fh->dev; 740 741 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; 742 f->fmt.pix.bytesperline = 0; 743 f->fmt.pix.sizeimage = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */ 744 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 745 dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n", 746 dev->width, dev->height, fh->mpegq.field ); 747 return 0; 748 } 749 750 static int vidioc_s_fmt_vid_cap (struct file *file, void *priv, 751 struct v4l2_format *f) 752 { 753 struct cx8802_fh *fh = priv; 754 struct cx8802_dev *dev = fh->dev; 755 struct cx88_core *core = dev->core; 756 757 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; 758 f->fmt.pix.bytesperline = 0; 759 f->fmt.pix.sizeimage = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */ 760 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 761 dev->width = f->fmt.pix.width; 762 dev->height = f->fmt.pix.height; 763 fh->mpegq.field = f->fmt.pix.field; 764 cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field); 765 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0, 766 f->fmt.pix.height, f->fmt.pix.width); 767 dprintk(1, "VIDIOC_S_FMT: w: %d, h: %d, f: %d\n", 768 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field ); 769 return 0; 770 } 771 772 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p) 773 { 774 struct cx8802_fh *fh = priv; 775 return (videobuf_reqbufs(&fh->mpegq, p)); 776 } 777 778 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p) 779 { 780 struct cx8802_fh *fh = priv; 781 return (videobuf_querybuf(&fh->mpegq, p)); 782 } 783 784 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p) 785 { 786 struct cx8802_fh *fh = priv; 787 return (videobuf_qbuf(&fh->mpegq, p)); 788 } 789 790 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p) 791 { 792 struct cx8802_fh *fh = priv; 793 return (videobuf_dqbuf(&fh->mpegq, p, 794 file->f_flags & O_NONBLOCK)); 795 } 796 797 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) 798 { 799 struct cx8802_fh *fh = priv; 800 struct cx8802_dev *dev = fh->dev; 801 802 if (!dev->mpeg_active) 803 blackbird_start_codec(file, fh); 804 return videobuf_streamon(&fh->mpegq); 805 } 806 807 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) 808 { 809 struct cx8802_fh *fh = priv; 810 struct cx8802_dev *dev = fh->dev; 811 812 if (dev->mpeg_active) 813 blackbird_stop_codec(dev); 814 return videobuf_streamoff(&fh->mpegq); 815 } 816 817 static int vidioc_s_frequency (struct file *file, void *priv, 818 const struct v4l2_frequency *f) 819 { 820 struct cx8802_fh *fh = priv; 821 struct cx8802_dev *dev = fh->dev; 822 struct cx88_core *core = dev->core; 823 824 if (unlikely(UNSET == core->board.tuner_type)) 825 return -EINVAL; 826 if (unlikely(f->tuner != 0)) 827 return -EINVAL; 828 if (dev->mpeg_active) 829 blackbird_stop_codec(dev); 830 831 cx88_set_freq (core,f); 832 blackbird_initialize_codec(dev); 833 cx88_set_scale(dev->core, dev->width, dev->height, 834 fh->mpegq.field); 835 return 0; 836 } 837 838 static int vidioc_log_status (struct file *file, void *priv) 839 { 840 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev; 841 struct cx88_core *core = dev->core; 842 char name[32 + 2]; 843 844 snprintf(name, sizeof(name), "%s/2", core->name); 845 call_all(core, core, log_status); 846 v4l2_ctrl_handler_log_status(&dev->cxhdl.hdl, name); 847 return 0; 848 } 849 850 static int vidioc_enum_input (struct file *file, void *priv, 851 struct v4l2_input *i) 852 { 853 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; 854 return cx88_enum_input (core,i); 855 } 856 857 static int vidioc_g_frequency (struct file *file, void *priv, 858 struct v4l2_frequency *f) 859 { 860 struct cx8802_fh *fh = priv; 861 struct cx88_core *core = fh->dev->core; 862 863 if (unlikely(UNSET == core->board.tuner_type)) 864 return -EINVAL; 865 if (unlikely(f->tuner != 0)) 866 return -EINVAL; 867 868 f->frequency = core->freq; 869 call_all(core, tuner, g_frequency, f); 870 871 return 0; 872 } 873 874 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i) 875 { 876 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; 877 878 *i = core->input; 879 return 0; 880 } 881 882 static int vidioc_s_input (struct file *file, void *priv, unsigned int i) 883 { 884 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; 885 886 if (i >= 4) 887 return -EINVAL; 888 if (0 == INPUT(i).type) 889 return -EINVAL; 890 891 mutex_lock(&core->lock); 892 cx88_newstation(core); 893 cx88_video_mux(core,i); 894 mutex_unlock(&core->lock); 895 return 0; 896 } 897 898 static int vidioc_g_tuner (struct file *file, void *priv, 899 struct v4l2_tuner *t) 900 { 901 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; 902 u32 reg; 903 904 if (unlikely(UNSET == core->board.tuner_type)) 905 return -EINVAL; 906 if (0 != t->index) 907 return -EINVAL; 908 909 strcpy(t->name, "Television"); 910 t->capability = V4L2_TUNER_CAP_NORM; 911 t->rangehigh = 0xffffffffUL; 912 call_all(core, tuner, g_tuner, t); 913 914 cx88_get_stereo(core ,t); 915 reg = cx_read(MO_DEVICE_STATUS); 916 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000; 917 return 0; 918 } 919 920 static int vidioc_s_tuner (struct file *file, void *priv, 921 const struct v4l2_tuner *t) 922 { 923 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; 924 925 if (UNSET == core->board.tuner_type) 926 return -EINVAL; 927 if (0 != t->index) 928 return -EINVAL; 929 930 cx88_set_stereo(core, t->audmode, 1); 931 return 0; 932 } 933 934 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm) 935 { 936 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; 937 938 *tvnorm = core->tvnorm; 939 return 0; 940 } 941 942 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id) 943 { 944 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; 945 946 mutex_lock(&core->lock); 947 cx88_set_tvnorm(core, id); 948 mutex_unlock(&core->lock); 949 return 0; 950 } 951 952 /* FIXME: cx88_ioctl_hook not implemented */ 953 954 static int mpeg_open(struct file *file) 955 { 956 struct video_device *vdev = video_devdata(file); 957 struct cx8802_dev *dev = video_drvdata(file); 958 struct cx8802_fh *fh; 959 struct cx8802_driver *drv = NULL; 960 int err; 961 962 dprintk( 1, "%s\n", __func__); 963 964 mutex_lock(&dev->core->lock); 965 966 /* Make sure we can acquire the hardware */ 967 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD); 968 if (!drv) { 969 dprintk(1, "%s: blackbird driver is not loaded\n", __func__); 970 mutex_unlock(&dev->core->lock); 971 return -ENODEV; 972 } 973 974 err = drv->request_acquire(drv); 975 if (err != 0) { 976 dprintk(1,"%s: Unable to acquire hardware, %d\n", __func__, err); 977 mutex_unlock(&dev->core->lock); 978 return err; 979 } 980 981 if (!dev->core->mpeg_users && blackbird_initialize_codec(dev) < 0) { 982 drv->request_release(drv); 983 mutex_unlock(&dev->core->lock); 984 return -EINVAL; 985 } 986 dprintk(1, "open dev=%s\n", video_device_node_name(vdev)); 987 988 /* allocate + initialize per filehandle data */ 989 fh = kzalloc(sizeof(*fh),GFP_KERNEL); 990 if (NULL == fh) { 991 drv->request_release(drv); 992 mutex_unlock(&dev->core->lock); 993 return -ENOMEM; 994 } 995 v4l2_fh_init(&fh->fh, vdev); 996 file->private_data = fh; 997 fh->dev = dev; 998 999 videobuf_queue_sg_init(&fh->mpegq, &blackbird_qops, 1000 &dev->pci->dev, &dev->slock, 1001 V4L2_BUF_TYPE_VIDEO_CAPTURE, 1002 V4L2_FIELD_INTERLACED, 1003 sizeof(struct cx88_buffer), 1004 fh, NULL); 1005 1006 /* FIXME: locking against other video device */ 1007 cx88_set_scale(dev->core, dev->width, dev->height, 1008 fh->mpegq.field); 1009 1010 dev->core->mpeg_users++; 1011 mutex_unlock(&dev->core->lock); 1012 v4l2_fh_add(&fh->fh); 1013 return 0; 1014 } 1015 1016 static int mpeg_release(struct file *file) 1017 { 1018 struct cx8802_fh *fh = file->private_data; 1019 struct cx8802_dev *dev = fh->dev; 1020 struct cx8802_driver *drv = NULL; 1021 1022 mutex_lock(&dev->core->lock); 1023 1024 if (dev->mpeg_active && dev->core->mpeg_users == 1) 1025 blackbird_stop_codec(dev); 1026 1027 cx8802_cancel_buffers(fh->dev); 1028 /* stop mpeg capture */ 1029 videobuf_stop(&fh->mpegq); 1030 1031 videobuf_mmap_free(&fh->mpegq); 1032 1033 v4l2_fh_del(&fh->fh); 1034 v4l2_fh_exit(&fh->fh); 1035 file->private_data = NULL; 1036 kfree(fh); 1037 1038 /* Make sure we release the hardware */ 1039 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD); 1040 WARN_ON(!drv); 1041 if (drv) 1042 drv->request_release(drv); 1043 1044 dev->core->mpeg_users--; 1045 1046 mutex_unlock(&dev->core->lock); 1047 1048 return 0; 1049 } 1050 1051 static ssize_t 1052 mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos) 1053 { 1054 struct cx8802_fh *fh = file->private_data; 1055 struct cx8802_dev *dev = fh->dev; 1056 1057 if (!dev->mpeg_active) 1058 blackbird_start_codec(file, fh); 1059 1060 return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0, 1061 file->f_flags & O_NONBLOCK); 1062 } 1063 1064 static unsigned int 1065 mpeg_poll(struct file *file, struct poll_table_struct *wait) 1066 { 1067 unsigned long req_events = poll_requested_events(wait); 1068 struct cx8802_fh *fh = file->private_data; 1069 struct cx8802_dev *dev = fh->dev; 1070 1071 if (!dev->mpeg_active && (req_events & (POLLIN | POLLRDNORM))) 1072 blackbird_start_codec(file, fh); 1073 1074 return v4l2_ctrl_poll(file, wait) | videobuf_poll_stream(file, &fh->mpegq, wait); 1075 } 1076 1077 static int 1078 mpeg_mmap(struct file *file, struct vm_area_struct * vma) 1079 { 1080 struct cx8802_fh *fh = file->private_data; 1081 1082 return videobuf_mmap_mapper(&fh->mpegq, vma); 1083 } 1084 1085 static const struct v4l2_file_operations mpeg_fops = 1086 { 1087 .owner = THIS_MODULE, 1088 .open = mpeg_open, 1089 .release = mpeg_release, 1090 .read = mpeg_read, 1091 .poll = mpeg_poll, 1092 .mmap = mpeg_mmap, 1093 .unlocked_ioctl = video_ioctl2, 1094 }; 1095 1096 static const struct v4l2_ioctl_ops mpeg_ioctl_ops = { 1097 .vidioc_querycap = vidioc_querycap, 1098 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 1099 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 1100 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 1101 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 1102 .vidioc_reqbufs = vidioc_reqbufs, 1103 .vidioc_querybuf = vidioc_querybuf, 1104 .vidioc_qbuf = vidioc_qbuf, 1105 .vidioc_dqbuf = vidioc_dqbuf, 1106 .vidioc_streamon = vidioc_streamon, 1107 .vidioc_streamoff = vidioc_streamoff, 1108 .vidioc_s_frequency = vidioc_s_frequency, 1109 .vidioc_log_status = vidioc_log_status, 1110 .vidioc_enum_input = vidioc_enum_input, 1111 .vidioc_g_frequency = vidioc_g_frequency, 1112 .vidioc_g_input = vidioc_g_input, 1113 .vidioc_s_input = vidioc_s_input, 1114 .vidioc_g_tuner = vidioc_g_tuner, 1115 .vidioc_s_tuner = vidioc_s_tuner, 1116 .vidioc_g_std = vidioc_g_std, 1117 .vidioc_s_std = vidioc_s_std, 1118 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 1119 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1120 }; 1121 1122 static struct video_device cx8802_mpeg_template = { 1123 .name = "cx8802", 1124 .fops = &mpeg_fops, 1125 .ioctl_ops = &mpeg_ioctl_ops, 1126 .tvnorms = CX88_NORMS, 1127 }; 1128 1129 /* ------------------------------------------------------------------ */ 1130 1131 /* The CX8802 MPEG API will call this when we can use the hardware */ 1132 static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv) 1133 { 1134 struct cx88_core *core = drv->core; 1135 int err = 0; 1136 1137 switch (core->boardnr) { 1138 case CX88_BOARD_HAUPPAUGE_HVR1300: 1139 /* By default, core setup will leave the cx22702 out of reset, on the bus. 1140 * We left the hardware on power up with the cx22702 active. 1141 * We're being given access to re-arrange the GPIOs. 1142 * Take the bus off the cx22702 and put the cx23416 on it. 1143 */ 1144 /* Toggle reset on cx22702 leaving i2c active */ 1145 cx_set(MO_GP0_IO, 0x00000080); 1146 udelay(1000); 1147 cx_clear(MO_GP0_IO, 0x00000080); 1148 udelay(50); 1149 cx_set(MO_GP0_IO, 0x00000080); 1150 udelay(1000); 1151 /* tri-state the cx22702 pins */ 1152 cx_set(MO_GP0_IO, 0x00000004); 1153 udelay(1000); 1154 break; 1155 default: 1156 err = -ENODEV; 1157 } 1158 return err; 1159 } 1160 1161 /* The CX8802 MPEG API will call this when we need to release the hardware */ 1162 static int cx8802_blackbird_advise_release(struct cx8802_driver *drv) 1163 { 1164 struct cx88_core *core = drv->core; 1165 int err = 0; 1166 1167 switch (core->boardnr) { 1168 case CX88_BOARD_HAUPPAUGE_HVR1300: 1169 /* Exit leaving the cx23416 on the bus */ 1170 break; 1171 default: 1172 err = -ENODEV; 1173 } 1174 return err; 1175 } 1176 1177 static void blackbird_unregister_video(struct cx8802_dev *dev) 1178 { 1179 if (dev->mpeg_dev) { 1180 if (video_is_registered(dev->mpeg_dev)) 1181 video_unregister_device(dev->mpeg_dev); 1182 else 1183 video_device_release(dev->mpeg_dev); 1184 dev->mpeg_dev = NULL; 1185 } 1186 } 1187 1188 static int blackbird_register_video(struct cx8802_dev *dev) 1189 { 1190 int err; 1191 1192 dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci, 1193 &cx8802_mpeg_template,"mpeg"); 1194 dev->mpeg_dev->ctrl_handler = &dev->cxhdl.hdl; 1195 video_set_drvdata(dev->mpeg_dev, dev); 1196 err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1); 1197 if (err < 0) { 1198 printk(KERN_INFO "%s/2: can't register mpeg device\n", 1199 dev->core->name); 1200 return err; 1201 } 1202 printk(KERN_INFO "%s/2: registered device %s [mpeg]\n", 1203 dev->core->name, video_device_node_name(dev->mpeg_dev)); 1204 return 0; 1205 } 1206 1207 /* ----------------------------------------------------------- */ 1208 1209 static int cx8802_blackbird_probe(struct cx8802_driver *drv) 1210 { 1211 struct cx88_core *core = drv->core; 1212 struct cx8802_dev *dev = core->dvbdev; 1213 int err; 1214 1215 dprintk( 1, "%s\n", __func__); 1216 dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n", 1217 core->boardnr, 1218 core->name, 1219 core->pci_bus, 1220 core->pci_slot); 1221 1222 err = -ENODEV; 1223 if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD)) 1224 goto fail_core; 1225 1226 dev->width = 720; 1227 if (core->tvnorm & V4L2_STD_525_60) { 1228 dev->height = 480; 1229 } else { 1230 dev->height = 576; 1231 } 1232 dev->cxhdl.port = CX2341X_PORT_STREAMING; 1233 dev->cxhdl.width = dev->width; 1234 dev->cxhdl.height = dev->height; 1235 dev->cxhdl.func = blackbird_mbox_func; 1236 dev->cxhdl.priv = dev; 1237 err = cx2341x_handler_init(&dev->cxhdl, 36); 1238 if (err) 1239 goto fail_core; 1240 v4l2_ctrl_add_handler(&dev->cxhdl.hdl, &core->video_hdl, NULL); 1241 1242 /* blackbird stuff */ 1243 printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n", 1244 core->name); 1245 host_setup(dev->core); 1246 1247 blackbird_initialize_codec(dev); 1248 1249 /* initial device configuration: needed ? */ 1250 // init_controls(core); 1251 cx88_set_tvnorm(core,core->tvnorm); 1252 cx88_video_mux(core,0); 1253 cx2341x_handler_set_50hz(&dev->cxhdl, dev->height == 576); 1254 cx2341x_handler_setup(&dev->cxhdl); 1255 blackbird_register_video(dev); 1256 1257 return 0; 1258 1259 fail_core: 1260 return err; 1261 } 1262 1263 static int cx8802_blackbird_remove(struct cx8802_driver *drv) 1264 { 1265 struct cx88_core *core = drv->core; 1266 struct cx8802_dev *dev = core->dvbdev; 1267 1268 /* blackbird */ 1269 blackbird_unregister_video(drv->core->dvbdev); 1270 v4l2_ctrl_handler_free(&dev->cxhdl.hdl); 1271 1272 return 0; 1273 } 1274 1275 static struct cx8802_driver cx8802_blackbird_driver = { 1276 .type_id = CX88_MPEG_BLACKBIRD, 1277 .hw_access = CX8802_DRVCTL_SHARED, 1278 .probe = cx8802_blackbird_probe, 1279 .remove = cx8802_blackbird_remove, 1280 .advise_acquire = cx8802_blackbird_advise_acquire, 1281 .advise_release = cx8802_blackbird_advise_release, 1282 }; 1283 1284 static int __init blackbird_init(void) 1285 { 1286 printk(KERN_INFO "cx2388x blackbird driver version %s loaded\n", 1287 CX88_VERSION); 1288 return cx8802_register_driver(&cx8802_blackbird_driver); 1289 } 1290 1291 static void __exit blackbird_fini(void) 1292 { 1293 cx8802_unregister_driver(&cx8802_blackbird_driver); 1294 } 1295 1296 module_init(blackbird_init); 1297 module_exit(blackbird_fini); 1298 1299 module_param_named(video_debug,cx8802_mpeg_template.debug, int, 0644); 1300 MODULE_PARM_DESC(debug,"enable debug messages [video]"); 1301