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...) if (debug >= level) \ 57 printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg) 58 59 60 /* ------------------------------------------------------------------ */ 61 62 #define BLACKBIRD_FIRM_IMAGE_SIZE 376836 63 64 /* defines below are from ivtv-driver.h */ 65 66 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF 67 68 /* Firmware API commands */ 69 #define IVTV_API_STD_TIMEOUT 500 70 71 enum blackbird_capture_type { 72 BLACKBIRD_MPEG_CAPTURE, 73 BLACKBIRD_RAW_CAPTURE, 74 BLACKBIRD_RAW_PASSTHRU_CAPTURE 75 }; 76 enum blackbird_capture_bits { 77 BLACKBIRD_RAW_BITS_NONE = 0x00, 78 BLACKBIRD_RAW_BITS_YUV_CAPTURE = 0x01, 79 BLACKBIRD_RAW_BITS_PCM_CAPTURE = 0x02, 80 BLACKBIRD_RAW_BITS_VBI_CAPTURE = 0x04, 81 BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08, 82 BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE = 0x10 83 }; 84 enum blackbird_capture_end { 85 BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */ 86 BLACKBIRD_END_NOW, /* stop immediately, no irq */ 87 }; 88 enum blackbird_framerate { 89 BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */ 90 BLACKBIRD_FRAMERATE_PAL_25 /* PAL: 25fps */ 91 }; 92 enum blackbird_stream_port { 93 BLACKBIRD_OUTPUT_PORT_MEMORY, 94 BLACKBIRD_OUTPUT_PORT_STREAMING, 95 BLACKBIRD_OUTPUT_PORT_SERIAL 96 }; 97 enum blackbird_data_xfer_status { 98 BLACKBIRD_MORE_BUFFERS_FOLLOW, 99 BLACKBIRD_LAST_BUFFER, 100 }; 101 enum blackbird_picture_mask { 102 BLACKBIRD_PICTURE_MASK_NONE, 103 BLACKBIRD_PICTURE_MASK_I_FRAMES, 104 BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3, 105 BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7, 106 }; 107 enum blackbird_vbi_mode_bits { 108 BLACKBIRD_VBI_BITS_SLICED, 109 BLACKBIRD_VBI_BITS_RAW, 110 }; 111 enum blackbird_vbi_insertion_bits { 112 BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA, 113 BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1, 114 BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1, 115 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1, 116 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1, 117 }; 118 enum blackbird_dma_unit { 119 BLACKBIRD_DMA_BYTES, 120 BLACKBIRD_DMA_FRAMES, 121 }; 122 enum blackbird_dma_transfer_status_bits { 123 BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01, 124 BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04, 125 BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10, 126 }; 127 enum blackbird_pause { 128 BLACKBIRD_PAUSE_ENCODING, 129 BLACKBIRD_RESUME_ENCODING, 130 }; 131 enum blackbird_copyright { 132 BLACKBIRD_COPYRIGHT_OFF, 133 BLACKBIRD_COPYRIGHT_ON, 134 }; 135 enum blackbird_notification_type { 136 BLACKBIRD_NOTIFICATION_REFRESH, 137 }; 138 enum blackbird_notification_status { 139 BLACKBIRD_NOTIFICATION_OFF, 140 BLACKBIRD_NOTIFICATION_ON, 141 }; 142 enum blackbird_notification_mailbox { 143 BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1, 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 enum blackbird_field2_lines { 151 BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */ 152 BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */ 153 BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */ 154 }; 155 enum blackbird_custom_data_type { 156 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA, 157 BLACKBIRD_CUSTOM_PRIVATE_PACKET, 158 }; 159 enum blackbird_mute { 160 BLACKBIRD_UNMUTE, 161 BLACKBIRD_MUTE, 162 }; 163 enum blackbird_mute_video_mask { 164 BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00, 165 BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000, 166 BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000, 167 }; 168 enum blackbird_mute_video_shift { 169 BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8, 170 BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16, 171 BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24, 172 }; 173 174 /* Registers */ 175 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/) 176 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/) 177 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/) 178 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/) 179 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/) 180 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/) 181 182 /* ------------------------------------------------------------------ */ 183 184 static void host_setup(struct cx88_core *core) 185 { 186 /* toggle reset of the host */ 187 cx_write(MO_GPHST_SOFT_RST, 1); 188 udelay(100); 189 cx_write(MO_GPHST_SOFT_RST, 0); 190 udelay(100); 191 192 /* host port setup */ 193 cx_write(MO_GPHST_WSC, 0x44444444U); 194 cx_write(MO_GPHST_XFR, 0); 195 cx_write(MO_GPHST_WDTH, 15); 196 cx_write(MO_GPHST_HDSHK, 0); 197 cx_write(MO_GPHST_MUX16, 0x44448888U); 198 cx_write(MO_GPHST_MODE, 0); 199 } 200 201 /* ------------------------------------------------------------------ */ 202 203 #define P1_MDATA0 0x390000 204 #define P1_MDATA1 0x390001 205 #define P1_MDATA2 0x390002 206 #define P1_MDATA3 0x390003 207 #define P1_MADDR2 0x390004 208 #define P1_MADDR1 0x390005 209 #define P1_MADDR0 0x390006 210 #define P1_RDATA0 0x390008 211 #define P1_RDATA1 0x390009 212 #define P1_RDATA2 0x39000A 213 #define P1_RDATA3 0x39000B 214 #define P1_RADDR0 0x39000C 215 #define P1_RADDR1 0x39000D 216 #define P1_RRDWR 0x39000E 217 218 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state) 219 { 220 unsigned long timeout = jiffies + msecs_to_jiffies(1); 221 u32 gpio0,need; 222 223 need = state ? 2 : 0; 224 for (;;) { 225 gpio0 = cx_read(MO_GP0_IO) & 2; 226 if (need == gpio0) 227 return 0; 228 if (time_after(jiffies,timeout)) 229 return -1; 230 udelay(1); 231 } 232 } 233 234 static int memory_write(struct cx88_core *core, u32 address, u32 value) 235 { 236 /* Warning: address is dword address (4 bytes) */ 237 cx_writeb(P1_MDATA0, (unsigned int)value); 238 cx_writeb(P1_MDATA1, (unsigned int)(value >> 8)); 239 cx_writeb(P1_MDATA2, (unsigned int)(value >> 16)); 240 cx_writeb(P1_MDATA3, (unsigned int)(value >> 24)); 241 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40); 242 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8)); 243 cx_writeb(P1_MADDR0, (unsigned int)address); 244 cx_read(P1_MDATA0); 245 cx_read(P1_MADDR0); 246 247 return wait_ready_gpio0_bit1(core,1); 248 } 249 250 static int memory_read(struct cx88_core *core, u32 address, u32 *value) 251 { 252 int retval; 253 u32 val; 254 255 /* Warning: address is dword address (4 bytes) */ 256 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0); 257 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8)); 258 cx_writeb(P1_MADDR0, (unsigned int)address); 259 cx_read(P1_MADDR0); 260 261 retval = wait_ready_gpio0_bit1(core,1); 262 263 cx_writeb(P1_MDATA3, 0); 264 val = (unsigned char)cx_read(P1_MDATA3) << 24; 265 cx_writeb(P1_MDATA2, 0); 266 val |= (unsigned char)cx_read(P1_MDATA2) << 16; 267 cx_writeb(P1_MDATA1, 0); 268 val |= (unsigned char)cx_read(P1_MDATA1) << 8; 269 cx_writeb(P1_MDATA0, 0); 270 val |= (unsigned char)cx_read(P1_MDATA0); 271 272 *value = val; 273 return retval; 274 } 275 276 static int register_write(struct cx88_core *core, u32 address, u32 value) 277 { 278 cx_writeb(P1_RDATA0, (unsigned int)value); 279 cx_writeb(P1_RDATA1, (unsigned int)(value >> 8)); 280 cx_writeb(P1_RDATA2, (unsigned int)(value >> 16)); 281 cx_writeb(P1_RDATA3, (unsigned int)(value >> 24)); 282 cx_writeb(P1_RADDR0, (unsigned int)address); 283 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8)); 284 cx_writeb(P1_RRDWR, 1); 285 cx_read(P1_RDATA0); 286 cx_read(P1_RADDR0); 287 288 return wait_ready_gpio0_bit1(core,1); 289 } 290 291 292 static int register_read(struct cx88_core *core, u32 address, u32 *value) 293 { 294 int retval; 295 u32 val; 296 297 cx_writeb(P1_RADDR0, (unsigned int)address); 298 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8)); 299 cx_writeb(P1_RRDWR, 0); 300 cx_read(P1_RADDR0); 301 302 retval = wait_ready_gpio0_bit1(core,1); 303 val = (unsigned char)cx_read(P1_RDATA0); 304 val |= (unsigned char)cx_read(P1_RDATA1) << 8; 305 val |= (unsigned char)cx_read(P1_RDATA2) << 16; 306 val |= (unsigned char)cx_read(P1_RDATA3) << 24; 307 308 *value = val; 309 return retval; 310 } 311 312 /* ------------------------------------------------------------------ */ 313 314 static int blackbird_mbox_func(void *priv, u32 command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA]) 315 { 316 struct cx8802_dev *dev = priv; 317 unsigned long timeout; 318 u32 value, flag, retval; 319 int i; 320 321 dprintk(1,"%s: 0x%X\n", __func__, command); 322 323 /* this may not be 100% safe if we can't read any memory location 324 without side effects */ 325 memory_read(dev->core, dev->mailbox - 4, &value); 326 if (value != 0x12345678) { 327 dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n"); 328 return -1; 329 } 330 331 memory_read(dev->core, dev->mailbox, &flag); 332 if (flag) { 333 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag); 334 return -1; 335 } 336 337 flag |= 1; /* tell 'em we're working on it */ 338 memory_write(dev->core, dev->mailbox, flag); 339 340 /* write command + args + fill remaining with zeros */ 341 memory_write(dev->core, dev->mailbox + 1, command); /* command code */ 342 memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */ 343 for (i = 0; i < in; i++) { 344 memory_write(dev->core, dev->mailbox + 4 + i, data[i]); 345 dprintk(1, "API Input %d = %d\n", i, data[i]); 346 } 347 for (; i < CX2341X_MBOX_MAX_DATA; i++) 348 memory_write(dev->core, dev->mailbox + 4 + i, 0); 349 350 flag |= 3; /* tell 'em we're done writing */ 351 memory_write(dev->core, dev->mailbox, flag); 352 353 /* wait for firmware to handle the API command */ 354 timeout = jiffies + msecs_to_jiffies(10); 355 for (;;) { 356 memory_read(dev->core, dev->mailbox, &flag); 357 if (0 != (flag & 4)) 358 break; 359 if (time_after(jiffies,timeout)) { 360 dprintk(0, "ERROR: API Mailbox timeout\n"); 361 return -1; 362 } 363 udelay(10); 364 } 365 366 /* read output values */ 367 for (i = 0; i < out; i++) { 368 memory_read(dev->core, dev->mailbox + 4 + i, data + i); 369 dprintk(1, "API Output %d = %d\n", i, data[i]); 370 } 371 372 memory_read(dev->core, dev->mailbox + 2, &retval); 373 dprintk(1, "API result = %d\n",retval); 374 375 flag = 0; 376 memory_write(dev->core, dev->mailbox, flag); 377 return retval; 378 } 379 /* ------------------------------------------------------------------ */ 380 381 /* We don't need to call the API often, so using just one mailbox will probably suffice */ 382 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command, 383 u32 inputcnt, u32 outputcnt, ...) 384 { 385 u32 data[CX2341X_MBOX_MAX_DATA]; 386 va_list vargs; 387 int i, err; 388 389 va_start(vargs, outputcnt); 390 391 for (i = 0; i < inputcnt; i++) { 392 data[i] = va_arg(vargs, int); 393 } 394 err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data); 395 for (i = 0; i < outputcnt; i++) { 396 int *vptr = va_arg(vargs, int *); 397 *vptr = data[i]; 398 } 399 va_end(vargs); 400 return err; 401 } 402 403 static int blackbird_find_mailbox(struct cx8802_dev *dev) 404 { 405 u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456}; 406 int signaturecnt=0; 407 u32 value; 408 int i; 409 410 for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) { 411 memory_read(dev->core, i, &value); 412 if (value == signature[signaturecnt]) 413 signaturecnt++; 414 else 415 signaturecnt = 0; 416 if (4 == signaturecnt) { 417 dprintk(1, "Mailbox signature found\n"); 418 return i+1; 419 } 420 } 421 dprintk(0, "Mailbox signature values not found!\n"); 422 return -1; 423 } 424 425 static int blackbird_load_firmware(struct cx8802_dev *dev) 426 { 427 static const unsigned char magic[8] = { 428 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa 429 }; 430 const struct firmware *firmware; 431 int i, retval = 0; 432 u32 value = 0; 433 u32 checksum = 0; 434 u32 *dataptr; 435 436 retval = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED); 437 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST); 438 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640); 439 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A); 440 msleep(1); 441 retval |= register_write(dev->core, IVTV_REG_APU, 0); 442 443 if (retval < 0) 444 dprintk(0, "Error with register_write\n"); 445 446 retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME, 447 &dev->pci->dev); 448 449 450 if (retval != 0) { 451 dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n", 452 CX2341X_FIRM_ENC_FILENAME); 453 dprintk(0, "Please fix your hotplug setup, the board will " 454 "not work without firmware loaded!\n"); 455 return -1; 456 } 457 458 if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) { 459 dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n", 460 firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE); 461 release_firmware(firmware); 462 return -1; 463 } 464 465 if (0 != memcmp(firmware->data, magic, 8)) { 466 dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n"); 467 release_firmware(firmware); 468 return -1; 469 } 470 471 /* transfer to the chip */ 472 dprintk(1,"Loading firmware ...\n"); 473 dataptr = (u32*)firmware->data; 474 for (i = 0; i < (firmware->size >> 2); i++) { 475 value = le32_to_cpu(*dataptr); 476 checksum += ~value; 477 memory_write(dev->core, i, value); 478 dataptr++; 479 } 480 481 /* read back to verify with the checksum */ 482 for (i--; i >= 0; i--) { 483 memory_read(dev->core, i, &value); 484 checksum -= ~value; 485 } 486 if (checksum) { 487 dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n"); 488 release_firmware(firmware); 489 return -1; 490 } 491 release_firmware(firmware); 492 dprintk(0, "Firmware upload successful.\n"); 493 494 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST); 495 retval |= register_read(dev->core, IVTV_REG_SPU, &value); 496 retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE); 497 msleep(1); 498 499 retval |= register_read(dev->core, IVTV_REG_VPU, &value); 500 retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8); 501 502 if (retval < 0) 503 dprintk(0, "Error with register_write\n"); 504 return 0; 505 } 506 507 /** 508 Settings used by the windows tv app for PVR2000: 509 ================================================================================================================= 510 Profile | Codec | Resolution | CBR/VBR | Video Qlty | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode 511 ----------------------------------------------------------------------------------------------------------------- 512 MPEG-1 | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 2000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo 513 MPEG-2 | MPEG2 | 720x576PAL | VBR | 600 :Good | 4000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo 514 VCD | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 1150 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo 515 DVD | MPEG2 | 720x576PAL | VBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo 516 DB* DVD | MPEG2 | 720x576PAL | CBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo 517 ================================================================================================================= 518 *DB: "DirectBurn" 519 */ 520 521 static void blackbird_codec_settings(struct cx8802_dev *dev) 522 { 523 /* assign frame size */ 524 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0, 525 dev->height, dev->width); 526 527 dev->cxhdl.width = dev->width; 528 dev->cxhdl.height = dev->height; 529 cx2341x_handler_set_50hz(&dev->cxhdl, dev->core->tvnorm & V4L2_STD_625_50); 530 cx2341x_handler_setup(&dev->cxhdl); 531 } 532 533 static int blackbird_initialize_codec(struct cx8802_dev *dev) 534 { 535 struct cx88_core *core = dev->core; 536 int version; 537 int retval; 538 539 dprintk(1,"Initialize codec\n"); 540 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */ 541 if (retval < 0) { 542 543 dev->mpeg_active = 0; 544 545 /* ping was not successful, reset and upload firmware */ 546 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */ 547 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */ 548 retval = blackbird_load_firmware(dev); 549 if (retval < 0) 550 return retval; 551 552 retval = blackbird_find_mailbox(dev); 553 if (retval < 0) 554 return -1; 555 556 dev->mailbox = retval; 557 558 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */ 559 if (retval < 0) { 560 dprintk(0, "ERROR: Firmware ping failed!\n"); 561 return -1; 562 } 563 564 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version); 565 if (retval < 0) { 566 dprintk(0, "ERROR: Firmware get encoder version failed!\n"); 567 return -1; 568 } 569 dprintk(0, "Firmware version is 0x%08x\n", version); 570 } 571 572 cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */ 573 cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */ 574 cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */ 575 cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */ 576 577 blackbird_codec_settings(dev); 578 579 blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0, 580 BLACKBIRD_FIELD1_SAA7115, 581 BLACKBIRD_FIELD2_SAA7115 582 ); 583 584 blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0, 585 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA, 586 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 587 588 return 0; 589 } 590 591 static int blackbird_start_codec(struct file *file, void *priv) 592 { 593 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev; 594 struct cx88_core *core = dev->core; 595 /* start capturing to the host interface */ 596 u32 reg; 597 598 int i; 599 int lastchange = -1; 600 int lastval = 0; 601 602 for (i = 0; (i < 10) && (i < (lastchange + 4)); i++) { 603 reg = cx_read(AUD_STATUS); 604 605 dprintk(1, "AUD_STATUS:%dL: 0x%x\n", i, reg); 606 if ((reg & 0x0F) != lastval) { 607 lastval = reg & 0x0F; 608 lastchange = i; 609 } 610 msleep(100); 611 } 612 613 /* unmute audio source */ 614 cx_clear(AUD_VOL_CTL, (1 << 6)); 615 616 blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0, 0); 617 618 /* initialize the video input */ 619 blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0); 620 621 cx2341x_handler_set_busy(&dev->cxhdl, 1); 622 623 /* start capturing to the host interface */ 624 blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0, 625 BLACKBIRD_MPEG_CAPTURE, 626 BLACKBIRD_RAW_BITS_NONE 627 ); 628 629 dev->mpeg_active = 1; 630 return 0; 631 } 632 633 static int blackbird_stop_codec(struct cx8802_dev *dev) 634 { 635 blackbird_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, 636 BLACKBIRD_END_NOW, 637 BLACKBIRD_MPEG_CAPTURE, 638 BLACKBIRD_RAW_BITS_NONE 639 ); 640 641 cx2341x_handler_set_busy(&dev->cxhdl, 0); 642 643 dev->mpeg_active = 0; 644 return 0; 645 } 646 647 /* ------------------------------------------------------------------ */ 648 649 static int bb_buf_setup(struct videobuf_queue *q, 650 unsigned int *count, unsigned int *size) 651 { 652 struct cx8802_fh *fh = q->priv_data; 653 654 fh->dev->ts_packet_size = 188 * 4; /* was: 512 */ 655 fh->dev->ts_packet_count = mpegbufs; /* was: 100 */ 656 657 *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count; 658 *count = fh->dev->ts_packet_count; 659 return 0; 660 } 661 662 static int 663 bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, 664 enum v4l2_field field) 665 { 666 struct cx8802_fh *fh = q->priv_data; 667 return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field); 668 } 669 670 static void 671 bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) 672 { 673 struct cx8802_fh *fh = q->priv_data; 674 cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb); 675 } 676 677 static void 678 bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb) 679 { 680 cx88_free_buffer(q, (struct cx88_buffer*)vb); 681 } 682 683 static struct videobuf_queue_ops blackbird_qops = { 684 .buf_setup = bb_buf_setup, 685 .buf_prepare = bb_buf_prepare, 686 .buf_queue = bb_buf_queue, 687 .buf_release = bb_buf_release, 688 }; 689 690 /* ------------------------------------------------------------------ */ 691 692 static int vidioc_querycap(struct file *file, void *priv, 693 struct v4l2_capability *cap) 694 { 695 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev; 696 struct cx88_core *core = dev->core; 697 698 strcpy(cap->driver, "cx88_blackbird"); 699 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci)); 700 cx88_querycap(file, core, cap); 701 return 0; 702 } 703 704 static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv, 705 struct v4l2_fmtdesc *f) 706 { 707 if (f->index != 0) 708 return -EINVAL; 709 710 strlcpy(f->description, "MPEG", sizeof(f->description)); 711 f->pixelformat = V4L2_PIX_FMT_MPEG; 712 f->flags = V4L2_FMT_FLAG_COMPRESSED; 713 return 0; 714 } 715 716 static int vidioc_g_fmt_vid_cap (struct file *file, void *priv, 717 struct v4l2_format *f) 718 { 719 struct cx8802_fh *fh = priv; 720 struct cx8802_dev *dev = fh->dev; 721 722 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; 723 f->fmt.pix.bytesperline = 0; 724 f->fmt.pix.sizeimage = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */ 725 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 726 f->fmt.pix.width = dev->width; 727 f->fmt.pix.height = dev->height; 728 f->fmt.pix.field = fh->mpegq.field; 729 dprintk(1, "VIDIOC_G_FMT: w: %d, h: %d, f: %d\n", 730 dev->width, dev->height, fh->mpegq.field ); 731 return 0; 732 } 733 734 static int vidioc_try_fmt_vid_cap (struct file *file, void *priv, 735 struct v4l2_format *f) 736 { 737 struct cx8802_fh *fh = priv; 738 struct cx8802_dev *dev = fh->dev; 739 740 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; 741 f->fmt.pix.bytesperline = 0; 742 f->fmt.pix.sizeimage = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */ 743 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 744 dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n", 745 dev->width, dev->height, fh->mpegq.field ); 746 return 0; 747 } 748 749 static int vidioc_s_fmt_vid_cap (struct file *file, void *priv, 750 struct v4l2_format *f) 751 { 752 struct cx8802_fh *fh = priv; 753 struct cx8802_dev *dev = fh->dev; 754 struct cx88_core *core = dev->core; 755 756 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; 757 f->fmt.pix.bytesperline = 0; 758 f->fmt.pix.sizeimage = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */ 759 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 760 dev->width = f->fmt.pix.width; 761 dev->height = f->fmt.pix.height; 762 fh->mpegq.field = f->fmt.pix.field; 763 cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field); 764 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0, 765 f->fmt.pix.height, f->fmt.pix.width); 766 dprintk(1, "VIDIOC_S_FMT: w: %d, h: %d, f: %d\n", 767 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field ); 768 return 0; 769 } 770 771 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p) 772 { 773 struct cx8802_fh *fh = priv; 774 return (videobuf_reqbufs(&fh->mpegq, p)); 775 } 776 777 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p) 778 { 779 struct cx8802_fh *fh = priv; 780 return (videobuf_querybuf(&fh->mpegq, p)); 781 } 782 783 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p) 784 { 785 struct cx8802_fh *fh = priv; 786 return (videobuf_qbuf(&fh->mpegq, p)); 787 } 788 789 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p) 790 { 791 struct cx8802_fh *fh = priv; 792 return (videobuf_dqbuf(&fh->mpegq, p, 793 file->f_flags & O_NONBLOCK)); 794 } 795 796 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) 797 { 798 struct cx8802_fh *fh = priv; 799 struct cx8802_dev *dev = fh->dev; 800 801 if (!dev->mpeg_active) 802 blackbird_start_codec(file, fh); 803 return videobuf_streamon(&fh->mpegq); 804 } 805 806 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) 807 { 808 struct cx8802_fh *fh = priv; 809 struct cx8802_dev *dev = fh->dev; 810 811 if (dev->mpeg_active) 812 blackbird_stop_codec(dev); 813 return videobuf_streamoff(&fh->mpegq); 814 } 815 816 static int vidioc_s_frequency (struct file *file, void *priv, 817 struct v4l2_frequency *f) 818 { 819 struct cx8802_fh *fh = priv; 820 struct cx8802_dev *dev = fh->dev; 821 struct cx88_core *core = dev->core; 822 823 if (unlikely(UNSET == core->board.tuner_type)) 824 return -EINVAL; 825 if (unlikely(f->tuner != 0)) 826 return -EINVAL; 827 if (dev->mpeg_active) 828 blackbird_stop_codec(dev); 829 830 cx88_set_freq (core,f); 831 blackbird_initialize_codec(dev); 832 cx88_set_scale(dev->core, dev->width, dev->height, 833 fh->mpegq.field); 834 return 0; 835 } 836 837 static int vidioc_log_status (struct file *file, void *priv) 838 { 839 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev; 840 struct cx88_core *core = dev->core; 841 char name[32 + 2]; 842 843 snprintf(name, sizeof(name), "%s/2", core->name); 844 call_all(core, core, log_status); 845 v4l2_ctrl_handler_log_status(&dev->cxhdl.hdl, name); 846 return 0; 847 } 848 849 static int vidioc_enum_input (struct file *file, void *priv, 850 struct v4l2_input *i) 851 { 852 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; 853 return cx88_enum_input (core,i); 854 } 855 856 static int vidioc_g_frequency (struct file *file, void *priv, 857 struct v4l2_frequency *f) 858 { 859 struct cx8802_fh *fh = priv; 860 struct cx88_core *core = fh->dev->core; 861 862 if (unlikely(UNSET == core->board.tuner_type)) 863 return -EINVAL; 864 if (unlikely(f->tuner != 0)) 865 return -EINVAL; 866 867 f->frequency = core->freq; 868 call_all(core, tuner, g_frequency, f); 869 870 return 0; 871 } 872 873 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i) 874 { 875 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; 876 877 *i = core->input; 878 return 0; 879 } 880 881 static int vidioc_s_input (struct file *file, void *priv, unsigned int i) 882 { 883 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; 884 885 if (i >= 4) 886 return -EINVAL; 887 if (0 == INPUT(i).type) 888 return -EINVAL; 889 890 mutex_lock(&core->lock); 891 cx88_newstation(core); 892 cx88_video_mux(core,i); 893 mutex_unlock(&core->lock); 894 return 0; 895 } 896 897 static int vidioc_g_tuner (struct file *file, void *priv, 898 struct v4l2_tuner *t) 899 { 900 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; 901 u32 reg; 902 903 if (unlikely(UNSET == core->board.tuner_type)) 904 return -EINVAL; 905 if (0 != t->index) 906 return -EINVAL; 907 908 strcpy(t->name, "Television"); 909 t->capability = V4L2_TUNER_CAP_NORM; 910 t->rangehigh = 0xffffffffUL; 911 call_all(core, tuner, g_tuner, t); 912 913 cx88_get_stereo(core ,t); 914 reg = cx_read(MO_DEVICE_STATUS); 915 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000; 916 return 0; 917 } 918 919 static int vidioc_s_tuner (struct file *file, void *priv, 920 struct v4l2_tuner *t) 921 { 922 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; 923 924 if (UNSET == core->board.tuner_type) 925 return -EINVAL; 926 if (0 != t->index) 927 return -EINVAL; 928 929 cx88_set_stereo(core, t->audmode, 1); 930 return 0; 931 } 932 933 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm) 934 { 935 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; 936 937 *tvnorm = core->tvnorm; 938 return 0; 939 } 940 941 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *id) 942 { 943 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; 944 945 mutex_lock(&core->lock); 946 cx88_set_tvnorm(core,*id); 947 mutex_unlock(&core->lock); 948 return 0; 949 } 950 951 /* FIXME: cx88_ioctl_hook not implemented */ 952 953 static int mpeg_open(struct file *file) 954 { 955 struct video_device *vdev = video_devdata(file); 956 struct cx8802_dev *dev = video_drvdata(file); 957 struct cx8802_fh *fh; 958 struct cx8802_driver *drv = NULL; 959 int err; 960 961 dprintk( 1, "%s\n", __func__); 962 963 mutex_lock(&dev->core->lock); 964 965 /* Make sure we can acquire the hardware */ 966 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD); 967 if (!drv) { 968 dprintk(1, "%s: blackbird driver is not loaded\n", __func__); 969 mutex_unlock(&dev->core->lock); 970 return -ENODEV; 971 } 972 973 err = drv->request_acquire(drv); 974 if (err != 0) { 975 dprintk(1,"%s: Unable to acquire hardware, %d\n", __func__, err); 976 mutex_unlock(&dev->core->lock); 977 return err; 978 } 979 980 if (!dev->core->mpeg_users && blackbird_initialize_codec(dev) < 0) { 981 drv->request_release(drv); 982 mutex_unlock(&dev->core->lock); 983 return -EINVAL; 984 } 985 dprintk(1, "open dev=%s\n", video_device_node_name(vdev)); 986 987 /* allocate + initialize per filehandle data */ 988 fh = kzalloc(sizeof(*fh),GFP_KERNEL); 989 if (NULL == fh) { 990 drv->request_release(drv); 991 mutex_unlock(&dev->core->lock); 992 return -ENOMEM; 993 } 994 v4l2_fh_init(&fh->fh, vdev); 995 file->private_data = fh; 996 fh->dev = dev; 997 998 videobuf_queue_sg_init(&fh->mpegq, &blackbird_qops, 999 &dev->pci->dev, &dev->slock, 1000 V4L2_BUF_TYPE_VIDEO_CAPTURE, 1001 V4L2_FIELD_INTERLACED, 1002 sizeof(struct cx88_buffer), 1003 fh, NULL); 1004 1005 /* FIXME: locking against other video device */ 1006 cx88_set_scale(dev->core, dev->width, dev->height, 1007 fh->mpegq.field); 1008 1009 dev->core->mpeg_users++; 1010 mutex_unlock(&dev->core->lock); 1011 v4l2_fh_add(&fh->fh); 1012 return 0; 1013 } 1014 1015 static int mpeg_release(struct file *file) 1016 { 1017 struct cx8802_fh *fh = file->private_data; 1018 struct cx8802_dev *dev = fh->dev; 1019 struct cx8802_driver *drv = NULL; 1020 1021 mutex_lock(&dev->core->lock); 1022 1023 if (dev->mpeg_active && dev->core->mpeg_users == 1) 1024 blackbird_stop_codec(dev); 1025 1026 cx8802_cancel_buffers(fh->dev); 1027 /* stop mpeg capture */ 1028 videobuf_stop(&fh->mpegq); 1029 1030 videobuf_mmap_free(&fh->mpegq); 1031 1032 v4l2_fh_del(&fh->fh); 1033 v4l2_fh_exit(&fh->fh); 1034 file->private_data = NULL; 1035 kfree(fh); 1036 1037 /* Make sure we release the hardware */ 1038 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD); 1039 WARN_ON(!drv); 1040 if (drv) 1041 drv->request_release(drv); 1042 1043 dev->core->mpeg_users--; 1044 1045 mutex_unlock(&dev->core->lock); 1046 1047 return 0; 1048 } 1049 1050 static ssize_t 1051 mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos) 1052 { 1053 struct cx8802_fh *fh = file->private_data; 1054 struct cx8802_dev *dev = fh->dev; 1055 1056 if (!dev->mpeg_active) 1057 blackbird_start_codec(file, fh); 1058 1059 return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0, 1060 file->f_flags & O_NONBLOCK); 1061 } 1062 1063 static unsigned int 1064 mpeg_poll(struct file *file, struct poll_table_struct *wait) 1065 { 1066 unsigned long req_events = poll_requested_events(wait); 1067 struct cx8802_fh *fh = file->private_data; 1068 struct cx8802_dev *dev = fh->dev; 1069 1070 if (!dev->mpeg_active && (req_events & (POLLIN | POLLRDNORM))) 1071 blackbird_start_codec(file, fh); 1072 1073 return v4l2_ctrl_poll(file, wait) | videobuf_poll_stream(file, &fh->mpegq, wait); 1074 } 1075 1076 static int 1077 mpeg_mmap(struct file *file, struct vm_area_struct * vma) 1078 { 1079 struct cx8802_fh *fh = file->private_data; 1080 1081 return videobuf_mmap_mapper(&fh->mpegq, vma); 1082 } 1083 1084 static const struct v4l2_file_operations mpeg_fops = 1085 { 1086 .owner = THIS_MODULE, 1087 .open = mpeg_open, 1088 .release = mpeg_release, 1089 .read = mpeg_read, 1090 .poll = mpeg_poll, 1091 .mmap = mpeg_mmap, 1092 .unlocked_ioctl = video_ioctl2, 1093 }; 1094 1095 static const struct v4l2_ioctl_ops mpeg_ioctl_ops = { 1096 .vidioc_querycap = vidioc_querycap, 1097 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 1098 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 1099 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 1100 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 1101 .vidioc_reqbufs = vidioc_reqbufs, 1102 .vidioc_querybuf = vidioc_querybuf, 1103 .vidioc_qbuf = vidioc_qbuf, 1104 .vidioc_dqbuf = vidioc_dqbuf, 1105 .vidioc_streamon = vidioc_streamon, 1106 .vidioc_streamoff = vidioc_streamoff, 1107 .vidioc_s_frequency = vidioc_s_frequency, 1108 .vidioc_log_status = vidioc_log_status, 1109 .vidioc_enum_input = vidioc_enum_input, 1110 .vidioc_g_frequency = vidioc_g_frequency, 1111 .vidioc_g_input = vidioc_g_input, 1112 .vidioc_s_input = vidioc_s_input, 1113 .vidioc_g_tuner = vidioc_g_tuner, 1114 .vidioc_s_tuner = vidioc_s_tuner, 1115 .vidioc_g_std = vidioc_g_std, 1116 .vidioc_s_std = vidioc_s_std, 1117 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 1118 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1119 }; 1120 1121 static struct video_device cx8802_mpeg_template = { 1122 .name = "cx8802", 1123 .fops = &mpeg_fops, 1124 .ioctl_ops = &mpeg_ioctl_ops, 1125 .tvnorms = CX88_NORMS, 1126 }; 1127 1128 /* ------------------------------------------------------------------ */ 1129 1130 /* The CX8802 MPEG API will call this when we can use the hardware */ 1131 static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv) 1132 { 1133 struct cx88_core *core = drv->core; 1134 int err = 0; 1135 1136 switch (core->boardnr) { 1137 case CX88_BOARD_HAUPPAUGE_HVR1300: 1138 /* By default, core setup will leave the cx22702 out of reset, on the bus. 1139 * We left the hardware on power up with the cx22702 active. 1140 * We're being given access to re-arrange the GPIOs. 1141 * Take the bus off the cx22702 and put the cx23416 on it. 1142 */ 1143 /* Toggle reset on cx22702 leaving i2c active */ 1144 cx_set(MO_GP0_IO, 0x00000080); 1145 udelay(1000); 1146 cx_clear(MO_GP0_IO, 0x00000080); 1147 udelay(50); 1148 cx_set(MO_GP0_IO, 0x00000080); 1149 udelay(1000); 1150 /* tri-state the cx22702 pins */ 1151 cx_set(MO_GP0_IO, 0x00000004); 1152 udelay(1000); 1153 break; 1154 default: 1155 err = -ENODEV; 1156 } 1157 return err; 1158 } 1159 1160 /* The CX8802 MPEG API will call this when we need to release the hardware */ 1161 static int cx8802_blackbird_advise_release(struct cx8802_driver *drv) 1162 { 1163 struct cx88_core *core = drv->core; 1164 int err = 0; 1165 1166 switch (core->boardnr) { 1167 case CX88_BOARD_HAUPPAUGE_HVR1300: 1168 /* Exit leaving the cx23416 on the bus */ 1169 break; 1170 default: 1171 err = -ENODEV; 1172 } 1173 return err; 1174 } 1175 1176 static void blackbird_unregister_video(struct cx8802_dev *dev) 1177 { 1178 if (dev->mpeg_dev) { 1179 if (video_is_registered(dev->mpeg_dev)) 1180 video_unregister_device(dev->mpeg_dev); 1181 else 1182 video_device_release(dev->mpeg_dev); 1183 dev->mpeg_dev = NULL; 1184 } 1185 } 1186 1187 static int blackbird_register_video(struct cx8802_dev *dev) 1188 { 1189 int err; 1190 1191 dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci, 1192 &cx8802_mpeg_template,"mpeg"); 1193 dev->mpeg_dev->ctrl_handler = &dev->cxhdl.hdl; 1194 video_set_drvdata(dev->mpeg_dev, dev); 1195 err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1); 1196 if (err < 0) { 1197 printk(KERN_INFO "%s/2: can't register mpeg device\n", 1198 dev->core->name); 1199 return err; 1200 } 1201 printk(KERN_INFO "%s/2: registered device %s [mpeg]\n", 1202 dev->core->name, video_device_node_name(dev->mpeg_dev)); 1203 return 0; 1204 } 1205 1206 /* ----------------------------------------------------------- */ 1207 1208 static int cx8802_blackbird_probe(struct cx8802_driver *drv) 1209 { 1210 struct cx88_core *core = drv->core; 1211 struct cx8802_dev *dev = core->dvbdev; 1212 int err; 1213 1214 dprintk( 1, "%s\n", __func__); 1215 dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n", 1216 core->boardnr, 1217 core->name, 1218 core->pci_bus, 1219 core->pci_slot); 1220 1221 err = -ENODEV; 1222 if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD)) 1223 goto fail_core; 1224 1225 dev->width = 720; 1226 if (core->tvnorm & V4L2_STD_525_60) { 1227 dev->height = 480; 1228 } else { 1229 dev->height = 576; 1230 } 1231 dev->cxhdl.port = CX2341X_PORT_STREAMING; 1232 dev->cxhdl.width = dev->width; 1233 dev->cxhdl.height = dev->height; 1234 dev->cxhdl.func = blackbird_mbox_func; 1235 dev->cxhdl.priv = dev; 1236 err = cx2341x_handler_init(&dev->cxhdl, 36); 1237 if (err) 1238 goto fail_core; 1239 v4l2_ctrl_add_handler(&dev->cxhdl.hdl, &core->video_hdl, NULL); 1240 1241 /* blackbird stuff */ 1242 printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n", 1243 core->name); 1244 host_setup(dev->core); 1245 1246 blackbird_initialize_codec(dev); 1247 1248 /* initial device configuration: needed ? */ 1249 // init_controls(core); 1250 cx88_set_tvnorm(core,core->tvnorm); 1251 cx88_video_mux(core,0); 1252 cx2341x_handler_set_50hz(&dev->cxhdl, dev->height == 576); 1253 cx2341x_handler_setup(&dev->cxhdl); 1254 blackbird_register_video(dev); 1255 1256 return 0; 1257 1258 fail_core: 1259 return err; 1260 } 1261 1262 static int cx8802_blackbird_remove(struct cx8802_driver *drv) 1263 { 1264 struct cx88_core *core = drv->core; 1265 struct cx8802_dev *dev = core->dvbdev; 1266 1267 /* blackbird */ 1268 blackbird_unregister_video(drv->core->dvbdev); 1269 v4l2_ctrl_handler_free(&dev->cxhdl.hdl); 1270 1271 return 0; 1272 } 1273 1274 static struct cx8802_driver cx8802_blackbird_driver = { 1275 .type_id = CX88_MPEG_BLACKBIRD, 1276 .hw_access = CX8802_DRVCTL_SHARED, 1277 .probe = cx8802_blackbird_probe, 1278 .remove = cx8802_blackbird_remove, 1279 .advise_acquire = cx8802_blackbird_advise_acquire, 1280 .advise_release = cx8802_blackbird_advise_release, 1281 }; 1282 1283 static int __init blackbird_init(void) 1284 { 1285 printk(KERN_INFO "cx2388x blackbird driver version %s loaded\n", 1286 CX88_VERSION); 1287 return cx8802_register_driver(&cx8802_blackbird_driver); 1288 } 1289 1290 static void __exit blackbird_fini(void) 1291 { 1292 cx8802_unregister_driver(&cx8802_blackbird_driver); 1293 } 1294 1295 module_init(blackbird_init); 1296 module_exit(blackbird_fini); 1297 1298 module_param_named(video_debug,cx8802_mpeg_template.debug, int, 0644); 1299 MODULE_PARM_DESC(debug,"enable debug messages [video]"); 1300