bktr_os.c revision 1.22
1 /* $NetBSD: bktr_os.c,v 1.22 2001/11/13 07:29:37 lukem Exp $ */ 2 3 /* FreeBSD: src/sys/dev/bktr/bktr_os.c,v 1.20 2000/10/20 08:16:53 roger Exp */ 4 5 /* 6 * This is part of the Driver for Video Capture Cards (Frame grabbers) 7 * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879 8 * chipset. 9 * Copyright Roger Hardiman and Amancio Hasty. 10 * 11 * bktr_os : This has all the Operating System dependant code, 12 * probe/attach and open/close/ioctl/read/mmap 13 * memory allocation 14 * PCI bus interfacing 15 * 16 * 17 */ 18 19 /* 20 * 1. Redistributions of source code must retain the 21 * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman 22 * All rights reserved. 23 * 24 * Redistribution and use in source and binary forms, with or without 25 * modification, are permitted provided that the following conditions 26 * are met: 27 * 1. Redistributions of source code must retain the above copyright 28 * notice, this list of conditions and the following disclaimer. 29 * 2. Redistributions in binary form must reproduce the above copyright 30 * notice, this list of conditions and the following disclaimer in the 31 * documentation and/or other materials provided with the distribution. 32 * 3. All advertising materials mentioning features or use of this software 33 * must display the following acknowledgement: 34 * This product includes software developed by Amancio Hasty and 35 * Roger Hardiman 36 * 4. The name of the author may not be used to endorse or promote products 37 * derived from this software without specific prior written permission. 38 * 39 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 40 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 41 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 42 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 43 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 44 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 45 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 46 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 47 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 48 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 49 * POSSIBILITY OF SUCH DAMAGE. 50 */ 51 52 #include <sys/cdefs.h> 53 __KERNEL_RCSID(0, "$NetBSD: bktr_os.c,v 1.22 2001/11/13 07:29:37 lukem Exp $"); 54 55 #ifdef __FreeBSD__ 56 #include "bktr.h" 57 #endif /* __FreeBSD__ */ 58 59 #include "opt_bktr.h" /* include any kernel config options */ 60 61 #define FIFO_RISC_DISABLED 0 62 #define ALL_INTS_DISABLED 0 63 64 65 /*******************/ 66 /* *** FreeBSD *** */ 67 /*******************/ 68 #ifdef __FreeBSD__ 69 70 #include <sys/param.h> 71 #include <sys/systm.h> 72 #include <sys/conf.h> 73 #include <sys/uio.h> 74 #include <sys/kernel.h> 75 #include <sys/signalvar.h> 76 #include <sys/mman.h> 77 #include <sys/poll.h> 78 #include <sys/select.h> 79 #include <sys/vnode.h> 80 81 #include <vm/vm.h> 82 #include <vm/vm_kern.h> 83 #include <vm/pmap.h> 84 #include <vm/vm_extern.h> 85 86 #if (__FreeBSD_version >=400000) || (NSMBUS > 0) 87 #include <sys/bus.h> /* used by smbus and newbus */ 88 #endif 89 90 #if (__FreeBSD_version >=300000) 91 #include <machine/bus_memio.h> /* used by bus space */ 92 #include <machine/bus.h> /* used by bus space and newbus */ 93 #include <sys/bus.h> 94 #endif 95 96 #if (__FreeBSD_version >=400000) 97 #include <sys/rman.h> /* used by newbus */ 98 #include <machine/resource.h> /* used by newbus */ 99 #endif 100 101 #if (__FreeBSD_version < 500000) 102 #include <machine/clock.h> /* for DELAY */ 103 #endif 104 105 #include <pci/pcivar.h> 106 #include <pci/pcireg.h> 107 108 #include <sys/sysctl.h> 109 int bt848_card = -1; 110 int bt848_tuner = -1; 111 int bt848_reverse_mute = -1; 112 int bt848_format = -1; 113 int bt848_slow_msp_audio = -1; 114 115 SYSCTL_NODE(_hw, OID_AUTO, bt848, CTLFLAG_RW, 0, "Bt848 Driver mgmt"); 116 SYSCTL_INT(_hw_bt848, OID_AUTO, card, CTLFLAG_RW, &bt848_card, -1, ""); 117 SYSCTL_INT(_hw_bt848, OID_AUTO, tuner, CTLFLAG_RW, &bt848_tuner, -1, ""); 118 SYSCTL_INT(_hw_bt848, OID_AUTO, reverse_mute, CTLFLAG_RW, &bt848_reverse_mute, -1, ""); 119 SYSCTL_INT(_hw_bt848, OID_AUTO, format, CTLFLAG_RW, &bt848_format, -1, ""); 120 SYSCTL_INT(_hw_bt848, OID_AUTO, slow_msp_audio, CTLFLAG_RW, &bt848_slow_msp_audio, -1, ""); 121 122 #if (__FreeBSD__ == 2) 123 #define PCIR_REVID PCI_CLASS_REG 124 #endif 125 126 #endif /* end freebsd section */ 127 128 129 130 /****************/ 131 /* *** BSDI *** */ 132 /****************/ 133 #ifdef __bsdi__ 134 #endif /* __bsdi__ */ 135 136 137 /**************************/ 138 /* *** OpenBSD/NetBSD *** */ 139 /**************************/ 140 #if defined(__NetBSD__) || defined(__OpenBSD__) 141 142 #include <sys/param.h> 143 #include <sys/systm.h> 144 #include <sys/conf.h> 145 #include <sys/uio.h> 146 #include <sys/kernel.h> 147 #include <sys/signalvar.h> 148 #include <sys/mman.h> 149 #include <sys/poll.h> 150 #include <sys/select.h> 151 #include <sys/vnode.h> 152 153 #ifndef __NetBSD__ 154 #include <vm/vm.h> 155 #include <vm/vm_kern.h> 156 #include <vm/pmap.h> 157 #include <vm/vm_extern.h> 158 #endif 159 160 #include <sys/device.h> 161 #include <dev/pci/pcivar.h> 162 #include <dev/pci/pcireg.h> 163 #include <dev/pci/pcidevs.h> 164 165 #define BKTR_DEBUG 166 #ifdef BKTR_DEBUG 167 int bktr_debug = 0; 168 #define DPR(x) (bktr_debug ? printf x : 0) 169 #else 170 #define DPR(x) 171 #endif 172 #endif /* __NetBSD__ || __OpenBSD__ */ 173 174 175 #ifdef __NetBSD__ 176 #include <dev/ic/bt8xx.h> /* NetBSD location for .h files */ 177 #include <dev/pci/bktr/bktr_reg.h> 178 #include <dev/pci/bktr/bktr_tuner.h> 179 #include <dev/pci/bktr/bktr_card.h> 180 #include <dev/pci/bktr/bktr_audio.h> 181 #include <dev/pci/bktr/bktr_core.h> 182 #include <dev/pci/bktr/bktr_os.h> 183 #else /* Traditional location for .h files */ 184 #include <machine/ioctl_meteor.h> 185 #include <machine/ioctl_bt848.h> /* extensions to ioctl_meteor.h */ 186 #include <dev/bktr/bktr_reg.h> 187 #include <dev/bktr/bktr_tuner.h> 188 #include <dev/bktr/bktr_card.h> 189 #include <dev/bktr/bktr_audio.h> 190 #include <dev/bktr/bktr_core.h> 191 #include <dev/bktr/bktr_os.h> 192 #if defined(BKTR_USE_FREEBSD_SMBUS) 193 #include <dev/bktr/bktr_i2c.h> 194 #endif 195 #endif 196 197 198 199 /****************************/ 200 /* *** FreeBSD 4.x code *** */ 201 /****************************/ 202 #if (__FreeBSD_version >= 400000) 203 204 static int bktr_probe( device_t dev ); 205 static int bktr_attach( device_t dev ); 206 static int bktr_detach( device_t dev ); 207 static int bktr_shutdown( device_t dev ); 208 static void bktr_intr(void *arg) { common_bktr_intr(arg); } 209 210 static device_method_t bktr_methods[] = { 211 /* Device interface */ 212 DEVMETHOD(device_probe, bktr_probe), 213 DEVMETHOD(device_attach, bktr_attach), 214 DEVMETHOD(device_detach, bktr_detach), 215 DEVMETHOD(device_shutdown, bktr_shutdown), 216 217 { 0, 0 } 218 }; 219 220 static driver_t bktr_driver = { 221 "bktr", 222 bktr_methods, 223 sizeof(struct bktr_softc), 224 }; 225 226 static devclass_t bktr_devclass; 227 228 static d_open_t bktr_open; 229 static d_close_t bktr_close; 230 static d_read_t bktr_read; 231 static d_write_t bktr_write; 232 static d_ioctl_t bktr_ioctl; 233 static d_mmap_t bktr_mmap; 234 static d_poll_t bktr_poll; 235 236 #define CDEV_MAJOR 92 237 static struct cdevsw bktr_cdevsw = { 238 /* open */ bktr_open, 239 /* close */ bktr_close, 240 /* read */ bktr_read, 241 /* write */ bktr_write, 242 /* ioctl */ bktr_ioctl, 243 /* poll */ bktr_poll, 244 /* mmap */ bktr_mmap, 245 /* strategy */ nostrategy, 246 /* name */ "bktr", 247 /* maj */ CDEV_MAJOR, 248 /* dump */ nodump, 249 /* psize */ nopsize, 250 /* flags */ 0, 251 /* bmaj */ -1 252 }; 253 254 DRIVER_MODULE(bktr, pci, bktr_driver, bktr_devclass, 0, 0); 255 #if (__FreeBSD_version > 410000) 256 MODULE_DEPEND(bktr, bktr_mem, 1,1,1); 257 MODULE_VERSION(bktr, 1); 258 #endif 259 260 261 /* 262 * the boot time probe routine. 263 */ 264 static int 265 bktr_probe( device_t dev ) 266 { 267 unsigned int type = pci_get_devid(dev); 268 unsigned int rev = pci_get_revid(dev); 269 270 if (PCI_VENDOR(type) == PCI_VENDOR_BROOKTREE) 271 { 272 switch (PCI_PRODUCT(type)) { 273 case PCI_PRODUCT_BROOKTREE_BT848: 274 if (rev == 0x12) 275 device_set_desc(dev, "BrookTree 848A"); 276 else 277 device_set_desc(dev, "BrookTree 848"); 278 return 0; 279 case PCI_PRODUCT_BROOKTREE_BT849: 280 device_set_desc(dev, "BrookTree 849A"); 281 return 0; 282 case PCI_PRODUCT_BROOKTREE_BT878: 283 device_set_desc(dev, "BrookTree 878"); 284 return 0; 285 case PCI_PRODUCT_BROOKTREE_BT879: 286 device_set_desc(dev, "BrookTree 879"); 287 return 0; 288 } 289 }; 290 291 return ENXIO; 292 } 293 294 295 /* 296 * the attach routine. 297 */ 298 static int 299 bktr_attach( device_t dev ) 300 { 301 u_long latency; 302 u_long fun; 303 u_long val; 304 unsigned int rev; 305 unsigned int unit; 306 int error = 0; 307 #ifdef BROOKTREE_IRQ 308 u_long old_irq, new_irq; 309 #endif 310 311 struct bktr_softc *bktr = device_get_softc(dev); 312 313 unit = device_get_unit(dev); 314 315 /* build the device name for bktr_name() */ 316 snprintf(bktr->bktr_xname, sizeof(bktr->bktr_xname), "bktr%d",unit); 317 318 /* 319 * Enable bus mastering and Memory Mapped device 320 */ 321 val = pci_read_config(dev, PCIR_COMMAND, 4); 322 val |= (PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN); 323 pci_write_config(dev, PCIR_COMMAND, val, 4); 324 325 /* 326 * Map control/status registers. 327 */ 328 bktr->mem_rid = PCIR_MAPS; 329 bktr->res_mem = bus_alloc_resource(dev, SYS_RES_MEMORY, &bktr->mem_rid, 330 0, ~0, 1, RF_ACTIVE); 331 332 333 if (!bktr->res_mem) { 334 device_printf(dev, "could not map memory\n"); 335 error = ENXIO; 336 goto fail; 337 } 338 bktr->memt = rman_get_bustag(bktr->res_mem); 339 bktr->memh = rman_get_bushandle(bktr->res_mem); 340 341 342 /* 343 * Disable the brooktree device 344 */ 345 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 346 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 347 348 349 #ifdef BROOKTREE_IRQ /* from the configuration file */ 350 old_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 351 pci_conf_write(tag, PCI_INTERRUPT_REG, BROOKTREE_IRQ); 352 new_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 353 printf("bktr%d: attach: irq changed from %d to %d\n", 354 unit, (old_irq & 0xff), (new_irq & 0xff)); 355 #endif 356 357 /* 358 * Allocate our interrupt. 359 */ 360 bktr->irq_rid = 0; 361 bktr->res_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &bktr->irq_rid, 362 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE); 363 if (bktr->res_irq == NULL) { 364 device_printf(dev, "could not map interrupt\n"); 365 error = ENXIO; 366 goto fail; 367 } 368 369 error = bus_setup_intr(dev, bktr->res_irq, INTR_TYPE_TTY, 370 bktr_intr, bktr, &bktr->res_ih); 371 if (error) { 372 device_printf(dev, "could not setup irq\n"); 373 goto fail; 374 375 } 376 377 378 /* Update the Device Control Register */ 379 /* on Bt878 and Bt879 cards */ 380 fun = pci_read_config( dev, 0x40, 2); 381 fun = fun | 1; /* Enable writes to the sub-system vendor ID */ 382 383 #if defined( BKTR_430_FX_MODE ) 384 if (bootverbose) printf("Using 430 FX chipset compatibilty mode\n"); 385 fun = fun | 2; /* Enable Intel 430 FX compatibility mode */ 386 #endif 387 388 #if defined( BKTR_SIS_VIA_MODE ) 389 if (bootverbose) printf("Using SiS/VIA chipset compatibilty mode\n"); 390 fun = fun | 4; /* Enable SiS/VIA compatibility mode (usefull for 391 OPTi chipset motherboards too */ 392 #endif 393 pci_write_config(dev, 0x40, fun, 2); 394 395 396 /* XXX call bt848_i2c dependent attach() routine */ 397 #if defined(BKTR_USE_FREEBSD_SMBUS) 398 if (bt848_i2c_attach(unit, bktr, &bktr->i2c_sc)) 399 printf("bktr%d: i2c_attach: can't attach\n", unit); 400 #endif 401 402 403 /* 404 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 405 * you have more than four, then 16 would probably be a better value. 406 */ 407 #ifndef BROOKTREE_DEF_LATENCY_VALUE 408 #define BROOKTREE_DEF_LATENCY_VALUE 10 409 #endif 410 latency = pci_read_config(dev, PCI_LATENCY_TIMER, 4); 411 latency = (latency >> 8) & 0xff; 412 if ( bootverbose ) { 413 if (latency) 414 printf("brooktree%d: PCI bus latency is", unit); 415 else 416 printf("brooktree%d: PCI bus latency was 0 changing to", 417 unit); 418 } 419 if ( !latency ) { 420 latency = BROOKTREE_DEF_LATENCY_VALUE; 421 pci_write_config(dev, PCI_LATENCY_TIMER, latency<<8, 4); 422 } 423 if ( bootverbose ) { 424 printf(" %d.\n", (int) latency); 425 } 426 427 /* read the pci device id and revision id */ 428 fun = pci_get_devid(dev); 429 rev = pci_get_revid(dev); 430 431 /* call the common attach code */ 432 common_bktr_attach( bktr, unit, fun, rev ); 433 434 /* make the device entries */ 435 bktr->bktrdev = make_dev(&bktr_cdevsw, unit, 436 0, 0, 0444, "bktr%d", unit); 437 bktr->tunerdev= make_dev(&bktr_cdevsw, unit+16, 438 0, 0, 0444, "tuner%d", unit); 439 bktr->vbidev = make_dev(&bktr_cdevsw, unit+32, 440 0, 0, 0444, "vbi%d" , unit); 441 442 443 /* if this is unit 0 (/dev/bktr0, /dev/tuner0, /dev/vbi0) then make */ 444 /* alias entries to /dev/bktr /dev/tuner and /dev/vbi */ 445 #if (__FreeBSD_version >=500000) 446 if (unit == 0) { 447 bktr->bktrdev_alias = make_dev_alias(bktr->bktrdev, "bktr"); 448 bktr->tunerdev_alias= make_dev_alias(bktr->tunerdev, "tuner"); 449 bktr->vbidev_alias = make_dev_alias(bktr->vbidev, "vbi"); 450 } 451 #endif 452 453 return 0; 454 455 fail: 456 if (bktr->res_irq) 457 bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq); 458 if (bktr->res_mem) 459 bus_release_resource(dev, SYS_RES_IRQ, bktr->mem_rid, bktr->res_mem); 460 return error; 461 462 } 463 464 /* 465 * the detach routine. 466 */ 467 static int 468 bktr_detach( device_t dev ) 469 { 470 unsigned int unit; 471 472 struct bktr_softc *bktr = device_get_softc(dev); 473 474 unit = device_get_unit(dev); 475 476 /* Disable the brooktree device */ 477 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 478 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 479 480 /* Note: We do not free memory for RISC programs, grab buffer, vbi buffers */ 481 /* The memory is retained by the bktr_mem module so we can unload and */ 482 /* then reload the main bktr driver module */ 483 484 /* Unregister the /dev/bktrN, tunerN and vbiN devices */ 485 destroy_dev(bktr->vbidev); 486 destroy_dev(bktr->tunerdev); 487 destroy_dev(bktr->bktrdev); 488 489 /* If this is unit 0, then destroy the alias entries too */ 490 #if (__FreeBSD_version >=500000) 491 if (unit == 0) { 492 destroy_dev(bktr->vbidev_alias); 493 destroy_dev(bktr->tunerdev_alias); 494 destroy_dev(bktr->bktrdev_alias); 495 } 496 #endif 497 498 /* 499 * Deallocate resources. 500 */ 501 bus_teardown_intr(dev, bktr->res_irq, bktr->res_ih); 502 bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq); 503 bus_release_resource(dev, SYS_RES_MEMORY, bktr->mem_rid, bktr->res_mem); 504 505 return 0; 506 } 507 508 /* 509 * the shutdown routine. 510 */ 511 static int 512 bktr_shutdown( device_t dev ) 513 { 514 struct bktr_softc *bktr = device_get_softc(dev); 515 516 /* Disable the brooktree device */ 517 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 518 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 519 520 return 0; 521 } 522 523 524 /* 525 * Special Memory Allocation 526 */ 527 vm_offset_t 528 get_bktr_mem( int unit, unsigned size ) 529 { 530 vm_offset_t addr = 0; 531 532 addr = vm_page_alloc_contig(size, 0, 0xffffffff, 1<<24); 533 if (addr == 0) 534 addr = vm_page_alloc_contig(size, 0, 0xffffffff, PAGE_SIZE); 535 if (addr == 0) { 536 printf("bktr%d: Unable to allocate %d bytes of memory.\n", 537 unit, size); 538 } 539 540 return( addr ); 541 } 542 543 544 /*--------------------------------------------------------- 545 ** 546 ** BrookTree 848 character device driver routines 547 ** 548 **--------------------------------------------------------- 549 */ 550 551 #define VIDEO_DEV 0x00 552 #define TUNER_DEV 0x01 553 #define VBI_DEV 0x02 554 555 #define UNIT(x) ((x) & 0x0f) 556 #define FUNCTION(x) (x >> 4) 557 558 /* 559 * 560 */ 561 int 562 bktr_open( dev_t dev, int flags, int fmt, struct proc *p ) 563 { 564 bktr_ptr_t bktr; 565 int unit; 566 int result; 567 568 unit = UNIT( minor(dev) ); 569 570 /* Get the device data */ 571 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 572 if (bktr == NULL) { 573 /* the device is no longer valid/functioning */ 574 return (ENXIO); 575 } 576 577 if (!(bktr->flags & METEOR_INITIALIZED)) /* device not found */ 578 return( ENXIO ); 579 580 /* Record that the device is now busy */ 581 device_busy(devclass_get_device(bktr_devclass, unit)); 582 583 584 if (bt848_card != -1) { 585 if ((bt848_card >> 8 == unit ) && 586 ( (bt848_card & 0xff) < Bt848_MAX_CARD )) { 587 if ( bktr->bt848_card != (bt848_card & 0xff) ) { 588 bktr->bt848_card = (bt848_card & 0xff); 589 probeCard(bktr, FALSE, unit); 590 } 591 } 592 } 593 594 if (bt848_tuner != -1) { 595 if ((bt848_tuner >> 8 == unit ) && 596 ( (bt848_tuner & 0xff) < Bt848_MAX_TUNER )) { 597 if ( bktr->bt848_tuner != (bt848_tuner & 0xff) ) { 598 bktr->bt848_tuner = (bt848_tuner & 0xff); 599 probeCard(bktr, FALSE, unit); 600 } 601 } 602 } 603 604 if (bt848_reverse_mute != -1) { 605 if ((bt848_reverse_mute >> 8) == unit ) { 606 bktr->reverse_mute = bt848_reverse_mute & 0xff; 607 } 608 } 609 610 if (bt848_slow_msp_audio != -1) { 611 if ((bt848_slow_msp_audio >> 8) == unit ) { 612 bktr->slow_msp_audio = (bt848_slow_msp_audio & 0xff); 613 } 614 } 615 616 switch ( FUNCTION( minor(dev) ) ) { 617 case VIDEO_DEV: 618 result = video_open( bktr ); 619 break; 620 case TUNER_DEV: 621 result = tuner_open( bktr ); 622 break; 623 case VBI_DEV: 624 result = vbi_open( bktr ); 625 break; 626 default: 627 result = ENXIO; 628 break; 629 } 630 631 /* If there was an error opening the device, undo the busy status */ 632 if (result != 0) 633 device_unbusy(devclass_get_device(bktr_devclass, unit)); 634 return( result ); 635 } 636 637 638 /* 639 * 640 */ 641 int 642 bktr_close( dev_t dev, int flags, int fmt, struct proc *p ) 643 { 644 bktr_ptr_t bktr; 645 int unit; 646 int result; 647 648 unit = UNIT( minor(dev) ); 649 650 /* Get the device data */ 651 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 652 if (bktr == NULL) { 653 /* the device is no longer valid/functioning */ 654 return (ENXIO); 655 } 656 657 switch ( FUNCTION( minor(dev) ) ) { 658 case VIDEO_DEV: 659 result = video_close( bktr ); 660 break; 661 case TUNER_DEV: 662 result = tuner_close( bktr ); 663 break; 664 case VBI_DEV: 665 result = vbi_close( bktr ); 666 break; 667 default: 668 return (ENXIO); 669 break; 670 } 671 672 device_unbusy(devclass_get_device(bktr_devclass, unit)); 673 return( result ); 674 } 675 676 677 /* 678 * 679 */ 680 int 681 bktr_read( dev_t dev, struct uio *uio, int ioflag ) 682 { 683 bktr_ptr_t bktr; 684 int unit; 685 686 unit = UNIT(minor(dev)); 687 688 /* Get the device data */ 689 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 690 if (bktr == NULL) { 691 /* the device is no longer valid/functioning */ 692 return (ENXIO); 693 } 694 695 switch ( FUNCTION( minor(dev) ) ) { 696 case VIDEO_DEV: 697 return( video_read( bktr, unit, dev, uio ) ); 698 case VBI_DEV: 699 return( vbi_read( bktr, uio, ioflag ) ); 700 } 701 return( ENXIO ); 702 } 703 704 705 /* 706 * 707 */ 708 int 709 bktr_write( dev_t dev, struct uio *uio, int ioflag ) 710 { 711 return( EINVAL ); /* XXX or ENXIO ? */ 712 } 713 714 715 /* 716 * 717 */ 718 int 719 bktr_ioctl( dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct proc* pr ) 720 { 721 bktr_ptr_t bktr; 722 int unit; 723 724 unit = UNIT(minor(dev)); 725 726 /* Get the device data */ 727 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 728 if (bktr == NULL) { 729 /* the device is no longer valid/functioning */ 730 return (ENXIO); 731 } 732 733 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 734 return( ENOMEM ); 735 736 switch ( FUNCTION( minor(dev) ) ) { 737 case VIDEO_DEV: 738 return( video_ioctl( bktr, unit, cmd, arg, pr ) ); 739 case TUNER_DEV: 740 return( tuner_ioctl( bktr, unit, cmd, arg, pr ) ); 741 } 742 743 return( ENXIO ); 744 } 745 746 747 /* 748 * 749 */ 750 int 751 bktr_mmap( dev_t dev, vm_offset_t offset, int nprot ) 752 { 753 int unit; 754 bktr_ptr_t bktr; 755 756 unit = UNIT(minor(dev)); 757 758 if (FUNCTION(minor(dev)) > 0) /* only allow mmap on /dev/bktr[n] */ 759 return( -1 ); 760 761 /* Get the device data */ 762 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 763 if (bktr == NULL) { 764 /* the device is no longer valid/functioning */ 765 return (-1); 766 } 767 768 if (nprot & PROT_EXEC) 769 return( -1 ); 770 771 if (offset < 0) 772 return( -1 ); 773 774 if (offset >= bktr->alloc_pages * PAGE_SIZE) 775 return( -1 ); 776 777 return( atop(vtophys(bktr->bigbuf) + offset) ); 778 } 779 780 int bktr_poll( dev_t dev, int events, struct proc *p) 781 { 782 int unit; 783 bktr_ptr_t bktr; 784 int revents = 0; 785 DECLARE_INTR_MASK(s); 786 787 unit = UNIT(minor(dev)); 788 789 /* Get the device data */ 790 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 791 if (bktr == NULL) { 792 /* the device is no longer valid/functioning */ 793 return (ENXIO); 794 } 795 796 DISABLE_INTR(s); 797 798 if (events & (POLLIN | POLLRDNORM)) { 799 800 switch ( FUNCTION( minor(dev) ) ) { 801 case VBI_DEV: 802 if(bktr->vbisize == 0) 803 selrecord(p, &bktr->vbi_select); 804 else 805 revents |= events & (POLLIN | POLLRDNORM); 806 break; 807 } 808 } 809 810 ENABLE_INTR(s); 811 812 return (revents); 813 } 814 815 #endif /* FreeBSD 4.x specific kernel interface routines */ 816 817 /**********************************/ 818 /* *** FreeBSD 2.2.x and 3.x *** */ 819 /**********************************/ 820 821 #if ((__FreeBSD__ == 2) || (__FreeBSD__ == 3)) 822 823 static bktr_reg_t brooktree[ NBKTR ]; 824 825 static const char* bktr_probe( pcici_t tag, pcidi_t type ); 826 static void bktr_attach( pcici_t tag, int unit ); 827 static void bktr_intr(void *arg) { common_bktr_intr(arg); } 828 829 static u_long bktr_count; 830 831 static struct pci_device bktr_device = { 832 "bktr", 833 bktr_probe, 834 bktr_attach, 835 &bktr_count 836 }; 837 838 DATA_SET (pcidevice_set, bktr_device); 839 840 static d_open_t bktr_open; 841 static d_close_t bktr_close; 842 static d_read_t bktr_read; 843 static d_write_t bktr_write; 844 static d_ioctl_t bktr_ioctl; 845 static d_mmap_t bktr_mmap; 846 static d_poll_t bktr_poll; 847 848 #define CDEV_MAJOR 92 849 static struct cdevsw bktr_cdevsw = 850 { 851 bktr_open, bktr_close, bktr_read, bktr_write, 852 bktr_ioctl, nostop, nullreset, nodevtotty, 853 bktr_poll, bktr_mmap, NULL, "bktr", 854 NULL, -1 855 }; 856 857 static int bktr_devsw_installed; 858 859 static void 860 bktr_drvinit( void *unused ) 861 { 862 dev_t dev; 863 864 if ( ! bktr_devsw_installed ) { 865 dev = makedev(CDEV_MAJOR, 0); 866 cdevsw_add(&dev,&bktr_cdevsw, NULL); 867 bktr_devsw_installed = 1; 868 } 869 } 870 871 SYSINIT(bktrdev,SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR,bktr_drvinit,NULL) 872 873 /* 874 * the boot time probe routine. 875 */ 876 static const char* 877 bktr_probe( pcici_t tag, pcidi_t type ) 878 { 879 unsigned int rev = pci_conf_read( tag, PCIR_REVID) & 0x000000ff; 880 881 if (PCI_VENDOR(type) == PCI_VENDOR_BROOKTREE) 882 { 883 switch (PCI_PRODUCT(type)) { 884 case PCI_PRODUCT_BROOKTREE_BT848: 885 if (rev == 0x12) return("BrookTree 848A"); 886 else return("BrookTree 848"); 887 case PCI_PRODUCT_BROOKTREE_BT849: 888 return("BrookTree 849A"); 889 case PCI_PRODUCT_BROOKTREE_BT878: 890 return("BrookTree 878"); 891 case PCI_PRODUCT_BROOKTREE_BT879: 892 return("BrookTree 879"); 893 } 894 }; 895 896 return ((char *)0); 897 } 898 899 /* 900 * the attach routine. 901 */ 902 static void 903 bktr_attach( pcici_t tag, int unit ) 904 { 905 bktr_ptr_t bktr; 906 u_long latency; 907 u_long fun; 908 unsigned int rev; 909 unsigned long base; 910 #ifdef BROOKTREE_IRQ 911 u_long old_irq, new_irq; 912 #endif 913 914 bktr = &brooktree[unit]; 915 916 if (unit >= NBKTR) { 917 printf("brooktree%d: attach: only %d units configured.\n", 918 unit, NBKTR); 919 printf("brooktree%d: attach: invalid unit number.\n", unit); 920 return; 921 } 922 923 /* build the device name for bktr_name() */ 924 snprintf(bktr->bktr_xname, sizeof(bktr->bktr_xname), "bktr%d",unit); 925 926 /* Enable Memory Mapping */ 927 fun = pci_conf_read(tag, PCI_COMMAND_STATUS_REG); 928 pci_conf_write(tag, PCI_COMMAND_STATUS_REG, fun | 2); 929 930 /* Enable Bus Mastering */ 931 fun = pci_conf_read(tag, PCI_COMMAND_STATUS_REG); 932 pci_conf_write(tag, PCI_COMMAND_STATUS_REG, fun | 4); 933 934 bktr->tag = tag; 935 936 937 /* 938 * Map control/status registers 939 */ 940 pci_map_mem( tag, PCI_MAP_REG_START, (vm_offset_t *) &base, 941 &bktr->phys_base ); 942 #if (__FreeBSD_version >= 300000) 943 bktr->memt = I386_BUS_SPACE_MEM; /* XXX should use proper bus space */ 944 bktr->memh = (bus_space_handle_t)base; /* XXX functions here */ 945 #endif 946 947 /* 948 * Disable the brooktree device 949 */ 950 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 951 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 952 953 #ifdef BROOKTREE_IRQ /* from the configuration file */ 954 old_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 955 pci_conf_write(tag, PCI_INTERRUPT_REG, BROOKTREE_IRQ); 956 new_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 957 printf("bktr%d: attach: irq changed from %d to %d\n", 958 unit, (old_irq & 0xff), (new_irq & 0xff)); 959 #endif 960 961 /* 962 * setup the interrupt handling routine 963 */ 964 pci_map_int(tag, bktr_intr, (void*) bktr, &tty_imask); 965 966 967 /* Update the Device Control Register */ 968 /* on Bt878 and Bt879 cards */ 969 fun = pci_conf_read(tag, 0x40); 970 fun = fun | 1; /* Enable writes to the sub-system vendor ID */ 971 972 #if defined( BKTR_430_FX_MODE ) 973 if (bootverbose) printf("Using 430 FX chipset compatibilty mode\n"); 974 fun = fun | 2; /* Enable Intel 430 FX compatibility mode */ 975 #endif 976 977 #if defined( BKTR_SIS_VIA_MODE ) 978 if (bootverbose) printf("Using SiS/VIA chipset compatibilty mode\n"); 979 fun = fun | 4; /* Enable SiS/VIA compatibility mode (usefull for 980 OPTi chipset motherboards too */ 981 #endif 982 pci_conf_write(tag, 0x40, fun); 983 984 985 /* XXX call bt848_i2c dependent attach() routine */ 986 #if defined(BKTR_USE_FREEBSD_SMBUS) 987 if (bt848_i2c_attach(unit, bktr, &bktr->i2c_sc)) 988 printf("bktr%d: i2c_attach: can't attach\n", unit); 989 #endif 990 991 992 /* 993 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 994 * you have more than four, then 16 would probably be a better value. 995 */ 996 #ifndef BROOKTREE_DEF_LATENCY_VALUE 997 #define BROOKTREE_DEF_LATENCY_VALUE 10 998 #endif 999 latency = pci_conf_read(tag, PCI_LATENCY_TIMER); 1000 latency = (latency >> 8) & 0xff; 1001 if ( bootverbose ) { 1002 if (latency) 1003 printf("brooktree%d: PCI bus latency is", unit); 1004 else 1005 printf("brooktree%d: PCI bus latency was 0 changing to", 1006 unit); 1007 } 1008 if ( !latency ) { 1009 latency = BROOKTREE_DEF_LATENCY_VALUE; 1010 pci_conf_write(tag, PCI_LATENCY_TIMER, latency<<8); 1011 } 1012 if ( bootverbose ) { 1013 printf(" %d.\n", (int) latency); 1014 } 1015 1016 1017 /* read the pci device id and revision id */ 1018 fun = pci_conf_read(tag, PCI_ID_REG); 1019 rev = pci_conf_read(tag, PCIR_REVID) & 0x000000ff; 1020 1021 /* call the common attach code */ 1022 common_bktr_attach( bktr, unit, fun, rev ); 1023 1024 } 1025 1026 1027 /* 1028 * Special Memory Allocation 1029 */ 1030 vm_offset_t 1031 get_bktr_mem( int unit, unsigned size ) 1032 { 1033 vm_offset_t addr = 0; 1034 1035 addr = vm_page_alloc_contig(size, 0x100000, 0xffffffff, 1<<24); 1036 if (addr == 0) 1037 addr = vm_page_alloc_contig(size, 0x100000, 0xffffffff, 1038 PAGE_SIZE); 1039 if (addr == 0) { 1040 printf("bktr%d: Unable to allocate %d bytes of memory.\n", 1041 unit, size); 1042 } 1043 1044 return( addr ); 1045 } 1046 1047 /*--------------------------------------------------------- 1048 ** 1049 ** BrookTree 848 character device driver routines 1050 ** 1051 **--------------------------------------------------------- 1052 */ 1053 1054 1055 #define VIDEO_DEV 0x00 1056 #define TUNER_DEV 0x01 1057 #define VBI_DEV 0x02 1058 1059 #define UNIT(x) ((x) & 0x0f) 1060 #define FUNCTION(x) ((x >> 4) & 0x0f) 1061 1062 1063 /* 1064 * 1065 */ 1066 int 1067 bktr_open( dev_t dev, int flags, int fmt, struct proc *p ) 1068 { 1069 bktr_ptr_t bktr; 1070 int unit; 1071 1072 unit = UNIT( minor(dev) ); 1073 if (unit >= NBKTR) /* unit out of range */ 1074 return( ENXIO ); 1075 1076 bktr = &(brooktree[ unit ]); 1077 1078 if (!(bktr->flags & METEOR_INITIALIZED)) /* device not found */ 1079 return( ENXIO ); 1080 1081 1082 if (bt848_card != -1) { 1083 if ((bt848_card >> 8 == unit ) && 1084 ( (bt848_card & 0xff) < Bt848_MAX_CARD )) { 1085 if ( bktr->bt848_card != (bt848_card & 0xff) ) { 1086 bktr->bt848_card = (bt848_card & 0xff); 1087 probeCard(bktr, FALSE, unit); 1088 } 1089 } 1090 } 1091 1092 if (bt848_tuner != -1) { 1093 if ((bt848_tuner >> 8 == unit ) && 1094 ( (bt848_tuner & 0xff) < Bt848_MAX_TUNER )) { 1095 if ( bktr->bt848_tuner != (bt848_tuner & 0xff) ) { 1096 bktr->bt848_tuner = (bt848_tuner & 0xff); 1097 probeCard(bktr, FALSE, unit); 1098 } 1099 } 1100 } 1101 1102 if (bt848_reverse_mute != -1) { 1103 if ((bt848_reverse_mute >> 8) == unit ) { 1104 bktr->reverse_mute = bt848_reverse_mute & 0xff; 1105 } 1106 } 1107 1108 if (bt848_slow_msp_audio != -1) { 1109 if ((bt848_slow_msp_audio >> 8) == unit ) { 1110 bktr->slow_msp_audio = (bt848_slow_msp_audio & 0xff); 1111 } 1112 } 1113 1114 switch ( FUNCTION( minor(dev) ) ) { 1115 case VIDEO_DEV: 1116 return( video_open( bktr ) ); 1117 case TUNER_DEV: 1118 return( tuner_open( bktr ) ); 1119 case VBI_DEV: 1120 return( vbi_open( bktr ) ); 1121 } 1122 return( ENXIO ); 1123 } 1124 1125 1126 /* 1127 * 1128 */ 1129 int 1130 bktr_close( dev_t dev, int flags, int fmt, struct proc *p ) 1131 { 1132 bktr_ptr_t bktr; 1133 int unit; 1134 1135 unit = UNIT( minor(dev) ); 1136 if (unit >= NBKTR) /* unit out of range */ 1137 return( ENXIO ); 1138 1139 bktr = &(brooktree[ unit ]); 1140 1141 switch ( FUNCTION( minor(dev) ) ) { 1142 case VIDEO_DEV: 1143 return( video_close( bktr ) ); 1144 case TUNER_DEV: 1145 return( tuner_close( bktr ) ); 1146 case VBI_DEV: 1147 return( vbi_close( bktr ) ); 1148 } 1149 1150 return( ENXIO ); 1151 } 1152 1153 /* 1154 * 1155 */ 1156 int 1157 bktr_read( dev_t dev, struct uio *uio, int ioflag ) 1158 { 1159 bktr_ptr_t bktr; 1160 int unit; 1161 1162 unit = UNIT(minor(dev)); 1163 if (unit >= NBKTR) /* unit out of range */ 1164 return( ENXIO ); 1165 1166 bktr = &(brooktree[unit]); 1167 1168 switch ( FUNCTION( minor(dev) ) ) { 1169 case VIDEO_DEV: 1170 return( video_read( bktr, unit, dev, uio ) ); 1171 case VBI_DEV: 1172 return( vbi_read( bktr, uio, ioflag ) ); 1173 } 1174 return( ENXIO ); 1175 } 1176 1177 1178 /* 1179 * 1180 */ 1181 int 1182 bktr_write( dev_t dev, struct uio *uio, int ioflag ) 1183 { 1184 return( EINVAL ); /* XXX or ENXIO ? */ 1185 } 1186 1187 /* 1188 * 1189 */ 1190 int 1191 bktr_ioctl( dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct proc* pr ) 1192 { 1193 bktr_ptr_t bktr; 1194 int unit; 1195 1196 unit = UNIT(minor(dev)); 1197 if (unit >= NBKTR) /* unit out of range */ 1198 return( ENXIO ); 1199 1200 bktr = &(brooktree[ unit ]); 1201 1202 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 1203 return( ENOMEM ); 1204 1205 switch ( FUNCTION( minor(dev) ) ) { 1206 case VIDEO_DEV: 1207 return( video_ioctl( bktr, unit, cmd, arg, pr ) ); 1208 case TUNER_DEV: 1209 return( tuner_ioctl( bktr, unit, cmd, arg, pr ) ); 1210 } 1211 1212 return( ENXIO ); 1213 } 1214 1215 /* 1216 * bktr_mmap. 1217 * Note: 2.2.5/2.2.6/2.2.7/3.0 users must manually 1218 * edit the line below and change "vm_offset_t" to "int" 1219 */ 1220 int bktr_mmap( dev_t dev, vm_offset_t offset, int nprot ) 1221 1222 { 1223 int unit; 1224 bktr_ptr_t bktr; 1225 1226 unit = UNIT(minor(dev)); 1227 1228 if (unit >= NBKTR || FUNCTION(minor(dev)) > 0) 1229 return( -1 ); 1230 1231 bktr = &(brooktree[ unit ]); 1232 1233 if (nprot & PROT_EXEC) 1234 return( -1 ); 1235 1236 if (offset < 0) 1237 return( -1 ); 1238 1239 if (offset >= bktr->alloc_pages * PAGE_SIZE) 1240 return( -1 ); 1241 1242 return( i386_btop(vtophys(bktr->bigbuf) + offset) ); 1243 } 1244 1245 int bktr_poll( dev_t dev, int events, struct proc *p) 1246 { 1247 int unit; 1248 bktr_ptr_t bktr; 1249 int revents = 0; 1250 1251 unit = UNIT(minor(dev)); 1252 1253 if (unit >= NBKTR) 1254 return( -1 ); 1255 1256 bktr = &(brooktree[ unit ]); 1257 1258 disable_intr(); 1259 1260 if (events & (POLLIN | POLLRDNORM)) { 1261 1262 switch ( FUNCTION( minor(dev) ) ) { 1263 case VBI_DEV: 1264 if(bktr->vbisize == 0) 1265 selrecord(p, &bktr->vbi_select); 1266 else 1267 revents |= events & (POLLIN | POLLRDNORM); 1268 break; 1269 } 1270 } 1271 1272 enable_intr(); 1273 1274 return (revents); 1275 } 1276 1277 1278 #endif /* FreeBSD 2.2.x and 3.x specific kernel interface routines */ 1279 1280 1281 /*****************/ 1282 /* *** BSDI *** */ 1283 /*****************/ 1284 1285 #if defined(__bsdi__) 1286 #endif /* __bsdi__ BSDI specific kernel interface routines */ 1287 1288 1289 /*****************************/ 1290 /* *** OpenBSD / NetBSD *** */ 1291 /*****************************/ 1292 #if defined(__NetBSD__) || defined(__OpenBSD__) 1293 1294 #define IPL_VIDEO IPL_BIO /* XXX */ 1295 1296 static int bktr_intr(void *arg) { return common_bktr_intr(arg); } 1297 1298 #define bktr_open bktropen 1299 #define bktr_close bktrclose 1300 #define bktr_read bktrread 1301 #define bktr_write bktrwrite 1302 #define bktr_ioctl bktrioctl 1303 #define bktr_mmap bktrmmap 1304 1305 #if defined(__OpenBSD__) 1306 static int bktr_probe __P((struct device *, void *, void *)); 1307 #else 1308 static int bktr_probe __P((struct device *, struct cfdata *, void *)); 1309 #endif 1310 static void bktr_attach __P((struct device *, struct device *, void *)); 1311 1312 struct cfattach bktr_ca = { 1313 sizeof(struct bktr_softc), bktr_probe, bktr_attach 1314 }; 1315 1316 #if defined(__NetBSD__) 1317 extern struct cfdriver bktr_cd; 1318 #else 1319 struct cfdriver bktr_cd = { 1320 NULL, "bktr", DV_DULL 1321 }; 1322 #endif 1323 1324 int 1325 bktr_probe(parent, match, aux) 1326 struct device *parent; 1327 #if defined(__OpenBSD__) 1328 void *match; 1329 #else 1330 struct cfdata *match; 1331 #endif 1332 void *aux; 1333 { 1334 struct pci_attach_args *pa = aux; 1335 1336 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_BROOKTREE && 1337 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT848 || 1338 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT849 || 1339 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT878 || 1340 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT879)) 1341 return 1; 1342 1343 return 0; 1344 } 1345 1346 1347 /* 1348 * the attach routine. 1349 */ 1350 static void 1351 bktr_attach(struct device *parent, struct device *self, void *aux) 1352 { 1353 bktr_ptr_t bktr; 1354 u_long latency; 1355 u_long fun; 1356 unsigned int rev; 1357 1358 #if defined(__OpenBSD__) 1359 struct pci_attach_args *pa = aux; 1360 pci_chipset_tag_t pc = pa->pa_pc; 1361 1362 pci_intr_handle_t ih; 1363 const char *intrstr; 1364 int retval; 1365 int unit; 1366 1367 bktr = (bktr_ptr_t)self; 1368 unit = bktr->bktr_dev.dv_unit; 1369 1370 bktr->pc = pa->pa_pc; 1371 bktr->tag = pa->pa_tag; 1372 bktr->dmat = pa->pa_dmat; 1373 1374 /* 1375 * map memory 1376 */ 1377 bktr->memt = pa->pa_memt; 1378 retval = pci_mem_find(pc, pa->pa_tag, PCI_MAPREG_START, 1379 &bktr->phys_base, &bktr->obmemsz, NULL); 1380 if (!retval) 1381 retval = bus_space_map(pa->pa_memt, bktr->phys_base, 1382 bktr->obmemsz, 0, &bktr->memh); 1383 if (retval) { 1384 printf(": couldn't map memory\n"); 1385 return; 1386 } 1387 1388 1389 /* 1390 * map interrupt 1391 */ 1392 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 1393 pa->pa_intrline, &ih)) { 1394 printf(": couldn't map interrupt\n"); 1395 return; 1396 } 1397 intrstr = pci_intr_string(pa->pa_pc, ih); 1398 1399 bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO, 1400 bktr_intr, bktr, bktr->bktr_dev.dv_xname); 1401 if (bktr->ih == NULL) { 1402 printf(": couldn't establish interrupt"); 1403 if (intrstr != NULL) 1404 printf(" at %s", intrstr); 1405 printf("\n"); 1406 return; 1407 } 1408 1409 if (intrstr != NULL) 1410 printf(": %s\n", intrstr); 1411 #endif /* __OpenBSD__ */ 1412 1413 #if defined(__NetBSD__) 1414 struct pci_attach_args *pa = aux; 1415 pci_intr_handle_t ih; 1416 const char *intrstr; 1417 int retval; 1418 int unit; 1419 1420 bktr = (bktr_ptr_t)self; 1421 unit = bktr->bktr_dev.dv_unit; 1422 bktr->dmat = pa->pa_dmat; 1423 1424 printf("\n"); 1425 1426 /* 1427 * map memory 1428 */ 1429 retval = pci_mapreg_map(pa, PCI_MAPREG_START, 1430 PCI_MAPREG_TYPE_MEM 1431 | PCI_MAPREG_MEM_TYPE_32BIT, 0, 1432 &bktr->memt, &bktr->memh, NULL, 1433 &bktr->obmemsz); 1434 DPR(("pci_mapreg_map: memt %lx, memh %x, size %x\n", 1435 (long unsigned)bktr->memt, (u_int)bktr->memh, 1436 (u_int)bktr->obmemsz)); 1437 if (retval) { 1438 printf("%s: couldn't map memory\n", bktr_name(bktr)); 1439 return; 1440 } 1441 1442 /* 1443 * Disable the brooktree device 1444 */ 1445 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 1446 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 1447 1448 /* 1449 * map interrupt 1450 */ 1451 if (pci_intr_map(pa, &ih)) { 1452 printf("%s: couldn't map interrupt\n", 1453 bktr_name(bktr)); 1454 return; 1455 } 1456 intrstr = pci_intr_string(pa->pa_pc, ih); 1457 bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO, 1458 bktr_intr, bktr); 1459 if (bktr->ih == NULL) { 1460 printf("%s: couldn't establish interrupt", 1461 bktr_name(bktr)); 1462 if (intrstr != NULL) 1463 printf(" at %s", intrstr); 1464 printf("\n"); 1465 return; 1466 } 1467 if (intrstr != NULL) 1468 printf("%s: interrupting at %s\n", bktr_name(bktr), 1469 intrstr); 1470 #endif /* __NetBSD__ */ 1471 1472 /* 1473 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 1474 * you have more than four, then 16 would probably be a better value. 1475 */ 1476 #ifndef BROOKTREE_DEF_LATENCY_VALUE 1477 #define BROOKTREE_DEF_LATENCY_VALUE 10 1478 #endif 1479 latency = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_LATENCY_TIMER); 1480 latency = (latency >> 8) & 0xff; 1481 1482 if (!latency) { 1483 if (bootverbose) { 1484 printf("%s: PCI bus latency was 0 changing to %d", 1485 bktr_name(bktr), BROOKTREE_DEF_LATENCY_VALUE); 1486 } 1487 latency = BROOKTREE_DEF_LATENCY_VALUE; 1488 pci_conf_write(pa->pa_pc, pa->pa_tag, 1489 PCI_LATENCY_TIMER, latency<<8); 1490 } 1491 1492 1493 /* Enabled Bus Master 1494 XXX: check if all old DMA is stopped first (e.g. after warm 1495 boot) */ 1496 fun = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 1497 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 1498 fun | PCI_COMMAND_MASTER_ENABLE); 1499 1500 /* read the pci id and determine the card type */ 1501 fun = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ID_REG); 1502 rev = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG) & 0x000000ff; 1503 1504 common_bktr_attach(bktr, unit, fun, rev); 1505 } 1506 1507 1508 /* 1509 * Special Memory Allocation 1510 */ 1511 #if defined (__NetBSD__) 1512 vaddr_t 1513 #else 1514 vm_offset_t 1515 #endif 1516 get_bktr_mem(bktr, dmapp, size) 1517 bktr_ptr_t bktr; 1518 bus_dmamap_t *dmapp; 1519 unsigned int size; 1520 { 1521 bus_dma_tag_t dmat = bktr->dmat; 1522 bus_dma_segment_t seg; 1523 bus_size_t align; 1524 int rseg; 1525 caddr_t kva; 1526 1527 /* 1528 * Allocate a DMA area 1529 */ 1530 align = 1 << 24; 1531 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, 1532 &rseg, BUS_DMA_NOWAIT)) { 1533 align = PAGE_SIZE; 1534 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, 1535 &rseg, BUS_DMA_NOWAIT)) { 1536 printf("%s: Unable to dmamem_alloc of %d bytes\n", 1537 bktr_name(bktr), size); 1538 return 0; 1539 } 1540 } 1541 if (bus_dmamem_map(dmat, &seg, rseg, size, 1542 &kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) { 1543 printf("%s: Unable to dmamem_map of %d bytes\n", 1544 bktr_name(bktr), size); 1545 bus_dmamem_free(dmat, &seg, rseg); 1546 return 0; 1547 } 1548 #ifdef __OpenBSD__ 1549 bktr->dm_mapsize = size; 1550 #endif 1551 /* 1552 * Create and locd the DMA map for the DMA area 1553 */ 1554 if (bus_dmamap_create(dmat, size, 1, size, 0, BUS_DMA_NOWAIT, dmapp)) { 1555 printf("%s: Unable to dmamap_create of %d bytes\n", 1556 bktr_name(bktr), size); 1557 bus_dmamem_unmap(dmat, kva, size); 1558 bus_dmamem_free(dmat, &seg, rseg); 1559 return 0; 1560 } 1561 if (bus_dmamap_load(dmat, *dmapp, kva, size, NULL, BUS_DMA_NOWAIT)) { 1562 printf("%s: Unable to dmamap_load of %d bytes\n", 1563 bktr_name(bktr), size); 1564 bus_dmamem_unmap(dmat, kva, size); 1565 bus_dmamem_free(dmat, &seg, rseg); 1566 bus_dmamap_destroy(dmat, *dmapp); 1567 return 0; 1568 } 1569 #if defined(__NetBSD__) 1570 return (vaddr_t)kva; 1571 #else 1572 return (vm_offset_t)kva; 1573 #endif 1574 } 1575 1576 void 1577 free_bktr_mem(bktr, dmap, kva) 1578 bktr_ptr_t bktr; 1579 bus_dmamap_t dmap; 1580 #if defined(__NetBSD__) 1581 vaddr_t kva; 1582 #else 1583 vm_offset_t kva; 1584 #endif 1585 { 1586 bus_dma_tag_t dmat = bktr->dmat; 1587 1588 #ifdef __NetBSD__ 1589 bus_dmamem_unmap(dmat, (caddr_t)kva, dmap->dm_mapsize); 1590 #else 1591 bus_dmamem_unmap(dmat, (caddr_t)kva, bktr->dm_mapsize); 1592 #endif 1593 bus_dmamem_free(dmat, dmap->dm_segs, 1); 1594 bus_dmamap_destroy(dmat, dmap); 1595 } 1596 1597 1598 /*--------------------------------------------------------- 1599 ** 1600 ** BrookTree 848 character device driver routines 1601 ** 1602 **--------------------------------------------------------- 1603 */ 1604 1605 1606 #define VIDEO_DEV 0x00 1607 #define TUNER_DEV 0x01 1608 #define VBI_DEV 0x02 1609 1610 #define UNIT(x) (minor((x) & 0x0f)) 1611 #define FUNCTION(x) (minor((x >> 4) & 0x0f)) 1612 1613 /* 1614 * 1615 */ 1616 int 1617 bktr_open(dev_t dev, int flags, int fmt, struct proc *p) 1618 { 1619 bktr_ptr_t bktr; 1620 int unit; 1621 1622 unit = UNIT(dev); 1623 1624 /* unit out of range */ 1625 if ((unit >= bktr_cd.cd_ndevs) || (bktr_cd.cd_devs[unit] == NULL)) 1626 return(ENXIO); 1627 1628 bktr = bktr_cd.cd_devs[unit]; 1629 1630 if (!(bktr->flags & METEOR_INITIALIZED)) /* device not found */ 1631 return(ENXIO); 1632 1633 switch (FUNCTION(dev)) { 1634 case VIDEO_DEV: 1635 return(video_open(bktr)); 1636 case TUNER_DEV: 1637 return(tuner_open(bktr)); 1638 case VBI_DEV: 1639 return(vbi_open(bktr)); 1640 } 1641 1642 return(ENXIO); 1643 } 1644 1645 1646 /* 1647 * 1648 */ 1649 int 1650 bktr_close(dev_t dev, int flags, int fmt, struct proc *p) 1651 { 1652 bktr_ptr_t bktr; 1653 int unit; 1654 1655 unit = UNIT(dev); 1656 1657 bktr = bktr_cd.cd_devs[unit]; 1658 1659 switch (FUNCTION(dev)) { 1660 case VIDEO_DEV: 1661 return(video_close(bktr)); 1662 case TUNER_DEV: 1663 return(tuner_close(bktr)); 1664 case VBI_DEV: 1665 return(vbi_close(bktr)); 1666 } 1667 1668 return(ENXIO); 1669 } 1670 1671 /* 1672 * 1673 */ 1674 int 1675 bktr_read(dev_t dev, struct uio *uio, int ioflag) 1676 { 1677 bktr_ptr_t bktr; 1678 int unit; 1679 1680 unit = UNIT(dev); 1681 1682 bktr = bktr_cd.cd_devs[unit]; 1683 1684 switch (FUNCTION(dev)) { 1685 case VIDEO_DEV: 1686 return(video_read(bktr, unit, dev, uio)); 1687 case VBI_DEV: 1688 return(vbi_read(bktr, uio, ioflag)); 1689 } 1690 1691 return(ENXIO); 1692 } 1693 1694 1695 /* 1696 * 1697 */ 1698 int 1699 bktr_write(dev_t dev, struct uio *uio, int ioflag) 1700 { 1701 /* operation not supported */ 1702 return(EOPNOTSUPP); 1703 } 1704 1705 /* 1706 * 1707 */ 1708 int 1709 bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct proc* pr) 1710 { 1711 bktr_ptr_t bktr; 1712 int unit; 1713 1714 unit = UNIT(dev); 1715 1716 bktr = bktr_cd.cd_devs[unit]; 1717 1718 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 1719 return(ENOMEM); 1720 1721 switch (FUNCTION(dev)) { 1722 case VIDEO_DEV: 1723 return(video_ioctl(bktr, unit, cmd, arg, pr)); 1724 case TUNER_DEV: 1725 return(tuner_ioctl(bktr, unit, cmd, arg, pr)); 1726 } 1727 1728 return(ENXIO); 1729 } 1730 1731 /* 1732 * 1733 */ 1734 paddr_t 1735 bktr_mmap(dev_t dev, off_t offset, int nprot) 1736 { 1737 int unit; 1738 bktr_ptr_t bktr; 1739 1740 unit = UNIT(dev); 1741 1742 if (FUNCTION(dev) > 0) /* only allow mmap on /dev/bktr[n] */ 1743 return(-1); 1744 1745 bktr = bktr_cd.cd_devs[unit]; 1746 1747 if ((vaddr_t)offset < 0) 1748 return(-1); 1749 1750 if ((vaddr_t)offset >= bktr->alloc_pages * PAGE_SIZE) 1751 return(-1); 1752 1753 #ifdef __NetBSD__ 1754 return (bus_dmamem_mmap(bktr->dmat, bktr->dm_mem->dm_segs, 1, 1755 (vaddr_t)offset, nprot, BUS_DMA_WAITOK)); 1756 #else 1757 return(i386_btop(vtophys(bktr->bigbuf) + offset)); 1758 #endif 1759 } 1760 1761 #endif /* __NetBSD__ || __OpenBSD__ */ 1762
Indexes created Wed Oct 29 06:09:47 GMT 2025