bktr_os.c revision 1.28
1 /* $NetBSD: bktr_os.c,v 1.28 2002/01/07 18:05:34 jmcneill 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 1.28 2002/01/07 18:05:34 jmcneill 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 /* *** FreeBSD *** */ 66 /*******************/ 67 #ifdef __FreeBSD__ 68 69 #include <sys/param.h> 70 #include <sys/systm.h> 71 #include <sys/conf.h> 72 #include <sys/uio.h> 73 #include <sys/kernel.h> 74 #include <sys/signalvar.h> 75 #include <sys/mman.h> 76 #include <sys/poll.h> 77 #include <sys/select.h> 78 #include <sys/vnode.h> 79 80 #include <vm/vm.h> 81 #include <vm/vm_kern.h> 82 #include <vm/pmap.h> 83 #include <vm/vm_extern.h> 84 85 #if (__FreeBSD_version >=400000) || (NSMBUS > 0) 86 #include <sys/bus.h> /* used by smbus and newbus */ 87 #endif 88 89 #if (__FreeBSD_version >=300000) 90 #include <machine/bus_memio.h> /* used by bus space */ 91 #include <machine/bus.h> /* used by bus space and newbus */ 92 #include <sys/bus.h> 93 #endif 94 95 #if (__FreeBSD_version >=400000) 96 #include <sys/rman.h> /* used by newbus */ 97 #include <machine/resource.h> /* used by newbus */ 98 #endif 99 100 #if (__FreeBSD_version < 500000) 101 #include <machine/clock.h> /* for DELAY */ 102 #endif 103 104 #include <pci/pcivar.h> 105 #include <pci/pcireg.h> 106 107 #include <sys/sysctl.h> 108 int bt848_card = -1; 109 int bt848_tuner = -1; 110 int bt848_reverse_mute = -1; 111 int bt848_format = -1; 112 int bt848_slow_msp_audio = -1; 113 114 SYSCTL_NODE(_hw, OID_AUTO, bt848, CTLFLAG_RW, 0, "Bt848 Driver mgmt"); 115 SYSCTL_INT(_hw_bt848, OID_AUTO, card, CTLFLAG_RW, &bt848_card, -1, ""); 116 SYSCTL_INT(_hw_bt848, OID_AUTO, tuner, CTLFLAG_RW, &bt848_tuner, -1, ""); 117 SYSCTL_INT(_hw_bt848, OID_AUTO, reverse_mute, CTLFLAG_RW, &bt848_reverse_mute, -1, ""); 118 SYSCTL_INT(_hw_bt848, OID_AUTO, format, CTLFLAG_RW, &bt848_format, -1, ""); 119 SYSCTL_INT(_hw_bt848, OID_AUTO, slow_msp_audio, CTLFLAG_RW, &bt848_slow_msp_audio, -1, ""); 120 121 #if (__FreeBSD__ == 2) 122 #define PCIR_REVID PCI_CLASS_REG 123 #endif 124 125 #endif /* end freebsd section */ 126 127 128 129 /****************/ 130 /* *** BSDI *** */ 131 /****************/ 132 #ifdef __bsdi__ 133 #endif /* __bsdi__ */ 134 135 136 /**************************/ 137 /* *** OpenBSD/NetBSD *** */ 138 /**************************/ 139 #if defined(__NetBSD__) || defined(__OpenBSD__) 140 141 #include <sys/param.h> 142 #include <sys/systm.h> 143 #include <sys/conf.h> 144 #include <sys/uio.h> 145 #include <sys/kernel.h> 146 #include <sys/signalvar.h> 147 #include <sys/mman.h> 148 #include <sys/poll.h> 149 #include <sys/select.h> 150 #include <sys/vnode.h> 151 152 #ifndef __NetBSD__ 153 #include <vm/vm.h> 154 #include <vm/vm_kern.h> 155 #include <vm/pmap.h> 156 #include <vm/vm_extern.h> 157 #endif 158 159 #include <sys/device.h> 160 #include <dev/pci/pcivar.h> 161 #include <dev/pci/pcireg.h> 162 #include <dev/pci/pcidevs.h> 163 164 #define BKTR_DEBUG 165 #ifdef BKTR_DEBUG 166 int bktr_debug = 0; 167 #define DPR(x) (bktr_debug ? printf x : 0) 168 #else 169 #define DPR(x) 170 #endif 171 #endif /* __NetBSD__ || __OpenBSD__ */ 172 173 174 #ifdef __NetBSD__ 175 #include <dev/ic/bt8xx.h> /* NetBSD location for .h files */ 176 #include <dev/pci/bktr/bktr_reg.h> 177 #include <dev/pci/bktr/bktr_tuner.h> 178 #include <dev/pci/bktr/bktr_card.h> 179 #include <dev/pci/bktr/bktr_audio.h> 180 #include <dev/pci/bktr/bktr_core.h> 181 #include <dev/pci/bktr/bktr_os.h> 182 #else /* Traditional location for .h files */ 183 #include <machine/ioctl_meteor.h> 184 #include <machine/ioctl_bt848.h> /* extensions to ioctl_meteor.h */ 185 #include <dev/bktr/bktr_reg.h> 186 #include <dev/bktr/bktr_tuner.h> 187 #include <dev/bktr/bktr_card.h> 188 #include <dev/bktr/bktr_audio.h> 189 #include <dev/bktr/bktr_core.h> 190 #include <dev/bktr/bktr_os.h> 191 #if defined(BKTR_USE_FREEBSD_SMBUS) 192 #include <dev/bktr/bktr_i2c.h> 193 #endif 194 #endif 195 196 /* Support for radio(4) under NetBSD */ 197 #ifdef __NetBSD__ 198 #include "radio.h" 199 #if NRADIO > 0 200 #include <sys/radioio.h> 201 #include <dev/radio_if.h> 202 #endif 203 #else 204 #define NRADIO 0 205 #endif 206 207 /****************************/ 208 /* *** FreeBSD 4.x code *** */ 209 /****************************/ 210 #if (__FreeBSD_version >= 400000) 211 212 static int bktr_probe( device_t dev ); 213 static int bktr_attach( device_t dev ); 214 static int bktr_detach( device_t dev ); 215 static int bktr_shutdown( device_t dev ); 216 static void bktr_intr(void *arg) { common_bktr_intr(arg); } 217 218 static device_method_t bktr_methods[] = { 219 /* Device interface */ 220 DEVMETHOD(device_probe, bktr_probe), 221 DEVMETHOD(device_attach, bktr_attach), 222 DEVMETHOD(device_detach, bktr_detach), 223 DEVMETHOD(device_shutdown, bktr_shutdown), 224 225 { 0, 0 } 226 }; 227 228 static driver_t bktr_driver = { 229 "bktr", 230 bktr_methods, 231 sizeof(struct bktr_softc), 232 }; 233 234 static devclass_t bktr_devclass; 235 236 static d_open_t bktr_open; 237 static d_close_t bktr_close; 238 static d_read_t bktr_read; 239 static d_write_t bktr_write; 240 static d_ioctl_t bktr_ioctl; 241 static d_mmap_t bktr_mmap; 242 static d_poll_t bktr_poll; 243 244 #define CDEV_MAJOR 92 245 static struct cdevsw bktr_cdevsw = { 246 /* open */ bktr_open, 247 /* close */ bktr_close, 248 /* read */ bktr_read, 249 /* write */ bktr_write, 250 /* ioctl */ bktr_ioctl, 251 /* poll */ bktr_poll, 252 /* mmap */ bktr_mmap, 253 /* strategy */ nostrategy, 254 /* name */ "bktr", 255 /* maj */ CDEV_MAJOR, 256 /* dump */ nodump, 257 /* psize */ nopsize, 258 /* flags */ 0, 259 /* bmaj */ -1 260 }; 261 262 DRIVER_MODULE(bktr, pci, bktr_driver, bktr_devclass, 0, 0); 263 #if (__FreeBSD_version > 410000) 264 MODULE_DEPEND(bktr, bktr_mem, 1,1,1); 265 MODULE_VERSION(bktr, 1); 266 #endif 267 268 269 /* 270 * the boot time probe routine. 271 */ 272 static int 273 bktr_probe( device_t dev ) 274 { 275 unsigned int type = pci_get_devid(dev); 276 unsigned int rev = pci_get_revid(dev); 277 278 if (PCI_VENDOR(type) == PCI_VENDOR_BROOKTREE) 279 { 280 switch (PCI_PRODUCT(type)) { 281 case PCI_PRODUCT_BROOKTREE_BT848: 282 if (rev == 0x12) 283 device_set_desc(dev, "BrookTree 848A"); 284 else 285 device_set_desc(dev, "BrookTree 848"); 286 return 0; 287 case PCI_PRODUCT_BROOKTREE_BT849: 288 device_set_desc(dev, "BrookTree 849A"); 289 return 0; 290 case PCI_PRODUCT_BROOKTREE_BT878: 291 device_set_desc(dev, "BrookTree 878"); 292 return 0; 293 case PCI_PRODUCT_BROOKTREE_BT879: 294 device_set_desc(dev, "BrookTree 879"); 295 return 0; 296 } 297 }; 298 299 return ENXIO; 300 } 301 302 303 /* 304 * the attach routine. 305 */ 306 static int 307 bktr_attach( device_t dev ) 308 { 309 u_long latency; 310 u_long fun; 311 u_long val; 312 unsigned int rev; 313 unsigned int unit; 314 int error = 0; 315 #ifdef BROOKTREE_IRQ 316 u_long old_irq, new_irq; 317 #endif 318 319 struct bktr_softc *bktr = device_get_softc(dev); 320 321 unit = device_get_unit(dev); 322 323 /* build the device name for bktr_name() */ 324 snprintf(bktr->bktr_xname, sizeof(bktr->bktr_xname), "bktr%d",unit); 325 326 /* 327 * Enable bus mastering and Memory Mapped device 328 */ 329 val = pci_read_config(dev, PCIR_COMMAND, 4); 330 val |= (PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN); 331 pci_write_config(dev, PCIR_COMMAND, val, 4); 332 333 /* 334 * Map control/status registers. 335 */ 336 bktr->mem_rid = PCIR_MAPS; 337 bktr->res_mem = bus_alloc_resource(dev, SYS_RES_MEMORY, &bktr->mem_rid, 338 0, ~0, 1, RF_ACTIVE); 339 340 341 if (!bktr->res_mem) { 342 device_printf(dev, "could not map memory\n"); 343 error = ENXIO; 344 goto fail; 345 } 346 bktr->memt = rman_get_bustag(bktr->res_mem); 347 bktr->memh = rman_get_bushandle(bktr->res_mem); 348 349 350 /* 351 * Disable the brooktree device 352 */ 353 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 354 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 355 356 357 #ifdef BROOKTREE_IRQ /* from the configuration file */ 358 old_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 359 pci_conf_write(tag, PCI_INTERRUPT_REG, BROOKTREE_IRQ); 360 new_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 361 printf("bktr%d: attach: irq changed from %d to %d\n", 362 unit, (old_irq & 0xff), (new_irq & 0xff)); 363 #endif 364 365 /* 366 * Allocate our interrupt. 367 */ 368 bktr->irq_rid = 0; 369 bktr->res_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &bktr->irq_rid, 370 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE); 371 if (bktr->res_irq == NULL) { 372 device_printf(dev, "could not map interrupt\n"); 373 error = ENXIO; 374 goto fail; 375 } 376 377 error = bus_setup_intr(dev, bktr->res_irq, INTR_TYPE_TTY, 378 bktr_intr, bktr, &bktr->res_ih); 379 if (error) { 380 device_printf(dev, "could not setup irq\n"); 381 goto fail; 382 383 } 384 385 386 /* Update the Device Control Register */ 387 /* on Bt878 and Bt879 cards */ 388 fun = pci_read_config( dev, 0x40, 2); 389 fun = fun | 1; /* Enable writes to the sub-system vendor ID */ 390 391 #if defined( BKTR_430_FX_MODE ) 392 if (bootverbose) printf("Using 430 FX chipset compatibilty mode\n"); 393 fun = fun | 2; /* Enable Intel 430 FX compatibility mode */ 394 #endif 395 396 #if defined( BKTR_SIS_VIA_MODE ) 397 if (bootverbose) printf("Using SiS/VIA chipset compatibilty mode\n"); 398 fun = fun | 4; /* Enable SiS/VIA compatibility mode (usefull for 399 OPTi chipset motherboards too */ 400 #endif 401 pci_write_config(dev, 0x40, fun, 2); 402 403 404 /* XXX call bt848_i2c dependent attach() routine */ 405 #if defined(BKTR_USE_FREEBSD_SMBUS) 406 if (bt848_i2c_attach(unit, bktr, &bktr->i2c_sc)) 407 printf("bktr%d: i2c_attach: can't attach\n", unit); 408 #endif 409 410 411 /* 412 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 413 * you have more than four, then 16 would probably be a better value. 414 */ 415 #ifndef BROOKTREE_DEF_LATENCY_VALUE 416 #define BROOKTREE_DEF_LATENCY_VALUE 10 417 #endif 418 latency = pci_read_config(dev, PCI_LATENCY_TIMER, 4); 419 latency = (latency >> 8) & 0xff; 420 if ( bootverbose ) { 421 if (latency) 422 printf("brooktree%d: PCI bus latency is", unit); 423 else 424 printf("brooktree%d: PCI bus latency was 0 changing to", 425 unit); 426 } 427 if ( !latency ) { 428 latency = BROOKTREE_DEF_LATENCY_VALUE; 429 pci_write_config(dev, PCI_LATENCY_TIMER, latency<<8, 4); 430 } 431 if ( bootverbose ) { 432 printf(" %d.\n", (int) latency); 433 } 434 435 /* read the pci device id and revision id */ 436 fun = pci_get_devid(dev); 437 rev = pci_get_revid(dev); 438 439 /* call the common attach code */ 440 common_bktr_attach( bktr, unit, fun, rev ); 441 442 /* make the device entries */ 443 bktr->bktrdev = make_dev(&bktr_cdevsw, unit, 444 0, 0, 0444, "bktr%d", unit); 445 bktr->tunerdev= make_dev(&bktr_cdevsw, unit+16, 446 0, 0, 0444, "tuner%d", unit); 447 bktr->vbidev = make_dev(&bktr_cdevsw, unit+32, 448 0, 0, 0444, "vbi%d" , unit); 449 450 451 /* if this is unit 0 (/dev/bktr0, /dev/tuner0, /dev/vbi0) then make */ 452 /* alias entries to /dev/bktr /dev/tuner and /dev/vbi */ 453 #if (__FreeBSD_version >=500000) 454 if (unit == 0) { 455 bktr->bktrdev_alias = make_dev_alias(bktr->bktrdev, "bktr"); 456 bktr->tunerdev_alias= make_dev_alias(bktr->tunerdev, "tuner"); 457 bktr->vbidev_alias = make_dev_alias(bktr->vbidev, "vbi"); 458 } 459 #endif 460 461 return 0; 462 463 fail: 464 if (bktr->res_irq) 465 bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq); 466 if (bktr->res_mem) 467 bus_release_resource(dev, SYS_RES_IRQ, bktr->mem_rid, bktr->res_mem); 468 return error; 469 470 } 471 472 /* 473 * the detach routine. 474 */ 475 static int 476 bktr_detach( device_t dev ) 477 { 478 unsigned int unit; 479 480 struct bktr_softc *bktr = device_get_softc(dev); 481 482 unit = device_get_unit(dev); 483 484 /* Disable the brooktree device */ 485 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 486 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 487 488 /* Note: We do not free memory for RISC programs, grab buffer, vbi buffers */ 489 /* The memory is retained by the bktr_mem module so we can unload and */ 490 /* then reload the main bktr driver module */ 491 492 /* Unregister the /dev/bktrN, tunerN and vbiN devices */ 493 destroy_dev(bktr->vbidev); 494 destroy_dev(bktr->tunerdev); 495 destroy_dev(bktr->bktrdev); 496 497 /* If this is unit 0, then destroy the alias entries too */ 498 #if (__FreeBSD_version >=500000) 499 if (unit == 0) { 500 destroy_dev(bktr->vbidev_alias); 501 destroy_dev(bktr->tunerdev_alias); 502 destroy_dev(bktr->bktrdev_alias); 503 } 504 #endif 505 506 /* 507 * Deallocate resources. 508 */ 509 bus_teardown_intr(dev, bktr->res_irq, bktr->res_ih); 510 bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq); 511 bus_release_resource(dev, SYS_RES_MEMORY, bktr->mem_rid, bktr->res_mem); 512 513 return 0; 514 } 515 516 /* 517 * the shutdown routine. 518 */ 519 static int 520 bktr_shutdown( device_t dev ) 521 { 522 struct bktr_softc *bktr = device_get_softc(dev); 523 524 /* Disable the brooktree device */ 525 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 526 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 527 528 return 0; 529 } 530 531 532 /* 533 * Special Memory Allocation 534 */ 535 vm_offset_t 536 get_bktr_mem( int unit, unsigned size ) 537 { 538 vm_offset_t addr = 0; 539 540 addr = vm_page_alloc_contig(size, 0, 0xffffffff, 1<<24); 541 if (addr == 0) 542 addr = vm_page_alloc_contig(size, 0, 0xffffffff, PAGE_SIZE); 543 if (addr == 0) { 544 printf("bktr%d: Unable to allocate %d bytes of memory.\n", 545 unit, size); 546 } 547 548 return( addr ); 549 } 550 551 552 /*--------------------------------------------------------- 553 ** 554 ** BrookTree 848 character device driver routines 555 ** 556 **--------------------------------------------------------- 557 */ 558 559 #define VIDEO_DEV 0x00 560 #define TUNER_DEV 0x01 561 #define VBI_DEV 0x02 562 563 #define UNIT(x) ((x) & 0x0f) 564 #define FUNCTION(x) (x >> 4) 565 566 /* 567 * 568 */ 569 int 570 bktr_open( dev_t dev, int flags, int fmt, struct proc *p ) 571 { 572 bktr_ptr_t bktr; 573 int unit; 574 int result; 575 576 unit = UNIT( minor(dev) ); 577 578 /* Get the device data */ 579 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 580 if (bktr == NULL) { 581 /* the device is no longer valid/functioning */ 582 return (ENXIO); 583 } 584 585 if (!(bktr->flags & METEOR_INITIALIZED)) /* device not found */ 586 return( ENXIO ); 587 588 /* Record that the device is now busy */ 589 device_busy(devclass_get_device(bktr_devclass, unit)); 590 591 592 if (bt848_card != -1) { 593 if ((bt848_card >> 8 == unit ) && 594 ( (bt848_card & 0xff) < Bt848_MAX_CARD )) { 595 if ( bktr->bt848_card != (bt848_card & 0xff) ) { 596 bktr->bt848_card = (bt848_card & 0xff); 597 probeCard(bktr, FALSE, unit); 598 } 599 } 600 } 601 602 if (bt848_tuner != -1) { 603 if ((bt848_tuner >> 8 == unit ) && 604 ( (bt848_tuner & 0xff) < Bt848_MAX_TUNER )) { 605 if ( bktr->bt848_tuner != (bt848_tuner & 0xff) ) { 606 bktr->bt848_tuner = (bt848_tuner & 0xff); 607 probeCard(bktr, FALSE, unit); 608 } 609 } 610 } 611 612 if (bt848_reverse_mute != -1) { 613 if ((bt848_reverse_mute >> 8) == unit ) { 614 bktr->reverse_mute = bt848_reverse_mute & 0xff; 615 } 616 } 617 618 if (bt848_slow_msp_audio != -1) { 619 if ((bt848_slow_msp_audio >> 8) == unit ) { 620 bktr->slow_msp_audio = (bt848_slow_msp_audio & 0xff); 621 } 622 } 623 624 switch ( FUNCTION( minor(dev) ) ) { 625 case VIDEO_DEV: 626 result = video_open( bktr ); 627 break; 628 case TUNER_DEV: 629 result = tuner_open( bktr ); 630 break; 631 case VBI_DEV: 632 result = vbi_open( bktr ); 633 break; 634 default: 635 result = ENXIO; 636 break; 637 } 638 639 /* If there was an error opening the device, undo the busy status */ 640 if (result != 0) 641 device_unbusy(devclass_get_device(bktr_devclass, unit)); 642 return( result ); 643 } 644 645 646 /* 647 * 648 */ 649 int 650 bktr_close( dev_t dev, int flags, int fmt, struct proc *p ) 651 { 652 bktr_ptr_t bktr; 653 int unit; 654 int result; 655 656 unit = UNIT( minor(dev) ); 657 658 /* Get the device data */ 659 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 660 if (bktr == NULL) { 661 /* the device is no longer valid/functioning */ 662 return (ENXIO); 663 } 664 665 switch ( FUNCTION( minor(dev) ) ) { 666 case VIDEO_DEV: 667 result = video_close( bktr ); 668 break; 669 case TUNER_DEV: 670 result = tuner_close( bktr ); 671 break; 672 case VBI_DEV: 673 result = vbi_close( bktr ); 674 break; 675 default: 676 return (ENXIO); 677 break; 678 } 679 680 device_unbusy(devclass_get_device(bktr_devclass, unit)); 681 return( result ); 682 } 683 684 685 /* 686 * 687 */ 688 int 689 bktr_read( dev_t dev, struct uio *uio, int ioflag ) 690 { 691 bktr_ptr_t bktr; 692 int unit; 693 694 unit = UNIT(minor(dev)); 695 696 /* Get the device data */ 697 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 698 if (bktr == NULL) { 699 /* the device is no longer valid/functioning */ 700 return (ENXIO); 701 } 702 703 switch ( FUNCTION( minor(dev) ) ) { 704 case VIDEO_DEV: 705 return( video_read( bktr, unit, dev, uio ) ); 706 case VBI_DEV: 707 return( vbi_read( bktr, uio, ioflag ) ); 708 } 709 return( ENXIO ); 710 } 711 712 713 /* 714 * 715 */ 716 int 717 bktr_write( dev_t dev, struct uio *uio, int ioflag ) 718 { 719 return( EINVAL ); /* XXX or ENXIO ? */ 720 } 721 722 723 /* 724 * 725 */ 726 int 727 bktr_ioctl( dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct proc* pr ) 728 { 729 bktr_ptr_t bktr; 730 int unit; 731 732 unit = UNIT(minor(dev)); 733 734 /* Get the device data */ 735 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 736 if (bktr == NULL) { 737 /* the device is no longer valid/functioning */ 738 return (ENXIO); 739 } 740 741 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 742 return( ENOMEM ); 743 744 switch ( FUNCTION( minor(dev) ) ) { 745 case VIDEO_DEV: 746 return( video_ioctl( bktr, unit, cmd, arg, pr ) ); 747 case TUNER_DEV: 748 return( tuner_ioctl( bktr, unit, cmd, arg, pr ) ); 749 } 750 751 return( ENXIO ); 752 } 753 754 755 /* 756 * 757 */ 758 int 759 bktr_mmap( dev_t dev, vm_offset_t offset, int nprot ) 760 { 761 int unit; 762 bktr_ptr_t bktr; 763 764 unit = UNIT(minor(dev)); 765 766 if (FUNCTION(minor(dev)) > 0) /* only allow mmap on /dev/bktr[n] */ 767 return( -1 ); 768 769 /* Get the device data */ 770 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 771 if (bktr == NULL) { 772 /* the device is no longer valid/functioning */ 773 return (-1); 774 } 775 776 if (nprot & PROT_EXEC) 777 return( -1 ); 778 779 if (offset < 0) 780 return( -1 ); 781 782 if (offset >= bktr->alloc_pages * PAGE_SIZE) 783 return( -1 ); 784 785 return( atop(vtophys(bktr->bigbuf) + offset) ); 786 } 787 788 int bktr_poll( dev_t dev, int events, struct proc *p) 789 { 790 int unit; 791 bktr_ptr_t bktr; 792 int revents = 0; 793 DECLARE_INTR_MASK(s); 794 795 unit = UNIT(minor(dev)); 796 797 /* Get the device data */ 798 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 799 if (bktr == NULL) { 800 /* the device is no longer valid/functioning */ 801 return (ENXIO); 802 } 803 804 DISABLE_INTR(s); 805 806 if (events & (POLLIN | POLLRDNORM)) { 807 808 switch ( FUNCTION( minor(dev) ) ) { 809 case VBI_DEV: 810 if(bktr->vbisize == 0) 811 selrecord(p, &bktr->vbi_select); 812 else 813 revents |= events & (POLLIN | POLLRDNORM); 814 break; 815 } 816 } 817 818 ENABLE_INTR(s); 819 820 return (revents); 821 } 822 823 #endif /* FreeBSD 4.x specific kernel interface routines */ 824 825 /**********************************/ 826 /* *** FreeBSD 2.2.x and 3.x *** */ 827 /**********************************/ 828 829 #if ((__FreeBSD__ == 2) || (__FreeBSD__ == 3)) 830 831 static bktr_reg_t brooktree[ NBKTR ]; 832 833 static const char* bktr_probe( pcici_t tag, pcidi_t type ); 834 static void bktr_attach( pcici_t tag, int unit ); 835 static void bktr_intr(void *arg) { common_bktr_intr(arg); } 836 837 static u_long bktr_count; 838 839 static struct pci_device bktr_device = { 840 "bktr", 841 bktr_probe, 842 bktr_attach, 843 &bktr_count 844 }; 845 846 DATA_SET (pcidevice_set, bktr_device); 847 848 static d_open_t bktr_open; 849 static d_close_t bktr_close; 850 static d_read_t bktr_read; 851 static d_write_t bktr_write; 852 static d_ioctl_t bktr_ioctl; 853 static d_mmap_t bktr_mmap; 854 static d_poll_t bktr_poll; 855 856 #define CDEV_MAJOR 92 857 static struct cdevsw bktr_cdevsw = 858 { 859 bktr_open, bktr_close, bktr_read, bktr_write, 860 bktr_ioctl, nostop, nullreset, nodevtotty, 861 bktr_poll, bktr_mmap, NULL, "bktr", 862 NULL, -1 863 }; 864 865 static int bktr_devsw_installed; 866 867 static void 868 bktr_drvinit( void *unused ) 869 { 870 dev_t dev; 871 872 if ( ! bktr_devsw_installed ) { 873 dev = makedev(CDEV_MAJOR, 0); 874 cdevsw_add(&dev,&bktr_cdevsw, NULL); 875 bktr_devsw_installed = 1; 876 } 877 } 878 879 SYSINIT(bktrdev,SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR,bktr_drvinit,NULL) 880 881 /* 882 * the boot time probe routine. 883 */ 884 static const char* 885 bktr_probe( pcici_t tag, pcidi_t type ) 886 { 887 unsigned int rev = pci_conf_read( tag, PCIR_REVID) & 0x000000ff; 888 889 if (PCI_VENDOR(type) == PCI_VENDOR_BROOKTREE) 890 { 891 switch (PCI_PRODUCT(type)) { 892 case PCI_PRODUCT_BROOKTREE_BT848: 893 if (rev == 0x12) return("BrookTree 848A"); 894 else return("BrookTree 848"); 895 case PCI_PRODUCT_BROOKTREE_BT849: 896 return("BrookTree 849A"); 897 case PCI_PRODUCT_BROOKTREE_BT878: 898 return("BrookTree 878"); 899 case PCI_PRODUCT_BROOKTREE_BT879: 900 return("BrookTree 879"); 901 } 902 }; 903 904 return ((char *)0); 905 } 906 907 /* 908 * the attach routine. 909 */ 910 static void 911 bktr_attach( pcici_t tag, int unit ) 912 { 913 bktr_ptr_t bktr; 914 u_long latency; 915 u_long fun; 916 unsigned int rev; 917 unsigned long base; 918 #ifdef BROOKTREE_IRQ 919 u_long old_irq, new_irq; 920 #endif 921 922 bktr = &brooktree[unit]; 923 924 if (unit >= NBKTR) { 925 printf("brooktree%d: attach: only %d units configured.\n", 926 unit, NBKTR); 927 printf("brooktree%d: attach: invalid unit number.\n", unit); 928 return; 929 } 930 931 /* build the device name for bktr_name() */ 932 snprintf(bktr->bktr_xname, sizeof(bktr->bktr_xname), "bktr%d",unit); 933 934 /* Enable Memory Mapping */ 935 fun = pci_conf_read(tag, PCI_COMMAND_STATUS_REG); 936 pci_conf_write(tag, PCI_COMMAND_STATUS_REG, fun | 2); 937 938 /* Enable Bus Mastering */ 939 fun = pci_conf_read(tag, PCI_COMMAND_STATUS_REG); 940 pci_conf_write(tag, PCI_COMMAND_STATUS_REG, fun | 4); 941 942 bktr->tag = tag; 943 944 945 /* 946 * Map control/status registers 947 */ 948 pci_map_mem( tag, PCI_MAP_REG_START, (vm_offset_t *) &base, 949 &bktr->phys_base ); 950 #if (__FreeBSD_version >= 300000) 951 bktr->memt = I386_BUS_SPACE_MEM; /* XXX should use proper bus space */ 952 bktr->memh = (bus_space_handle_t)base; /* XXX functions here */ 953 #endif 954 955 /* 956 * Disable the brooktree device 957 */ 958 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 959 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 960 961 #ifdef BROOKTREE_IRQ /* from the configuration file */ 962 old_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 963 pci_conf_write(tag, PCI_INTERRUPT_REG, BROOKTREE_IRQ); 964 new_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 965 printf("bktr%d: attach: irq changed from %d to %d\n", 966 unit, (old_irq & 0xff), (new_irq & 0xff)); 967 #endif 968 969 /* 970 * setup the interrupt handling routine 971 */ 972 pci_map_int(tag, bktr_intr, (void*) bktr, &tty_imask); 973 974 975 /* Update the Device Control Register */ 976 /* on Bt878 and Bt879 cards */ 977 fun = pci_conf_read(tag, 0x40); 978 fun = fun | 1; /* Enable writes to the sub-system vendor ID */ 979 980 #if defined( BKTR_430_FX_MODE ) 981 if (bootverbose) printf("Using 430 FX chipset compatibilty mode\n"); 982 fun = fun | 2; /* Enable Intel 430 FX compatibility mode */ 983 #endif 984 985 #if defined( BKTR_SIS_VIA_MODE ) 986 if (bootverbose) printf("Using SiS/VIA chipset compatibilty mode\n"); 987 fun = fun | 4; /* Enable SiS/VIA compatibility mode (usefull for 988 OPTi chipset motherboards too */ 989 #endif 990 pci_conf_write(tag, 0x40, fun); 991 992 993 /* XXX call bt848_i2c dependent attach() routine */ 994 #if defined(BKTR_USE_FREEBSD_SMBUS) 995 if (bt848_i2c_attach(unit, bktr, &bktr->i2c_sc)) 996 printf("bktr%d: i2c_attach: can't attach\n", unit); 997 #endif 998 999 1000 /* 1001 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 1002 * you have more than four, then 16 would probably be a better value. 1003 */ 1004 #ifndef BROOKTREE_DEF_LATENCY_VALUE 1005 #define BROOKTREE_DEF_LATENCY_VALUE 10 1006 #endif 1007 latency = pci_conf_read(tag, PCI_LATENCY_TIMER); 1008 latency = (latency >> 8) & 0xff; 1009 if ( bootverbose ) { 1010 if (latency) 1011 printf("brooktree%d: PCI bus latency is", unit); 1012 else 1013 printf("brooktree%d: PCI bus latency was 0 changing to", 1014 unit); 1015 } 1016 if ( !latency ) { 1017 latency = BROOKTREE_DEF_LATENCY_VALUE; 1018 pci_conf_write(tag, PCI_LATENCY_TIMER, latency<<8); 1019 } 1020 if ( bootverbose ) { 1021 printf(" %d.\n", (int) latency); 1022 } 1023 1024 1025 /* read the pci device id and revision id */ 1026 fun = pci_conf_read(tag, PCI_ID_REG); 1027 rev = pci_conf_read(tag, PCIR_REVID) & 0x000000ff; 1028 1029 /* call the common attach code */ 1030 common_bktr_attach( bktr, unit, fun, rev ); 1031 1032 } 1033 1034 1035 /* 1036 * Special Memory Allocation 1037 */ 1038 vm_offset_t 1039 get_bktr_mem( int unit, unsigned size ) 1040 { 1041 vm_offset_t addr = 0; 1042 1043 addr = vm_page_alloc_contig(size, 0x100000, 0xffffffff, 1<<24); 1044 if (addr == 0) 1045 addr = vm_page_alloc_contig(size, 0x100000, 0xffffffff, 1046 PAGE_SIZE); 1047 if (addr == 0) { 1048 printf("bktr%d: Unable to allocate %d bytes of memory.\n", 1049 unit, size); 1050 } 1051 1052 return( addr ); 1053 } 1054 1055 /*--------------------------------------------------------- 1056 ** 1057 ** BrookTree 848 character device driver routines 1058 ** 1059 **--------------------------------------------------------- 1060 */ 1061 1062 1063 #define VIDEO_DEV 0x00 1064 #define TUNER_DEV 0x01 1065 #define VBI_DEV 0x02 1066 1067 #define UNIT(x) ((x) & 0x0f) 1068 #define FUNCTION(x) ((x >> 4) & 0x0f) 1069 1070 1071 /* 1072 * 1073 */ 1074 int 1075 bktr_open( dev_t dev, int flags, int fmt, struct proc *p ) 1076 { 1077 bktr_ptr_t bktr; 1078 int unit; 1079 1080 unit = UNIT( minor(dev) ); 1081 if (unit >= NBKTR) /* unit out of range */ 1082 return( ENXIO ); 1083 1084 bktr = &(brooktree[ unit ]); 1085 1086 if (!(bktr->flags & METEOR_INITIALIZED)) /* device not found */ 1087 return( ENXIO ); 1088 1089 1090 if (bt848_card != -1) { 1091 if ((bt848_card >> 8 == unit ) && 1092 ( (bt848_card & 0xff) < Bt848_MAX_CARD )) { 1093 if ( bktr->bt848_card != (bt848_card & 0xff) ) { 1094 bktr->bt848_card = (bt848_card & 0xff); 1095 probeCard(bktr, FALSE, unit); 1096 } 1097 } 1098 } 1099 1100 if (bt848_tuner != -1) { 1101 if ((bt848_tuner >> 8 == unit ) && 1102 ( (bt848_tuner & 0xff) < Bt848_MAX_TUNER )) { 1103 if ( bktr->bt848_tuner != (bt848_tuner & 0xff) ) { 1104 bktr->bt848_tuner = (bt848_tuner & 0xff); 1105 probeCard(bktr, FALSE, unit); 1106 } 1107 } 1108 } 1109 1110 if (bt848_reverse_mute != -1) { 1111 if ((bt848_reverse_mute >> 8) == unit ) { 1112 bktr->reverse_mute = bt848_reverse_mute & 0xff; 1113 } 1114 } 1115 1116 if (bt848_slow_msp_audio != -1) { 1117 if ((bt848_slow_msp_audio >> 8) == unit ) { 1118 bktr->slow_msp_audio = (bt848_slow_msp_audio & 0xff); 1119 } 1120 } 1121 1122 switch ( FUNCTION( minor(dev) ) ) { 1123 case VIDEO_DEV: 1124 return( video_open( bktr ) ); 1125 case TUNER_DEV: 1126 return( tuner_open( bktr ) ); 1127 case VBI_DEV: 1128 return( vbi_open( bktr ) ); 1129 } 1130 return( ENXIO ); 1131 } 1132 1133 1134 /* 1135 * 1136 */ 1137 int 1138 bktr_close( dev_t dev, int flags, int fmt, struct proc *p ) 1139 { 1140 bktr_ptr_t bktr; 1141 int unit; 1142 1143 unit = UNIT( minor(dev) ); 1144 if (unit >= NBKTR) /* unit out of range */ 1145 return( ENXIO ); 1146 1147 bktr = &(brooktree[ unit ]); 1148 1149 switch ( FUNCTION( minor(dev) ) ) { 1150 case VIDEO_DEV: 1151 return( video_close( bktr ) ); 1152 case TUNER_DEV: 1153 return( tuner_close( bktr ) ); 1154 case VBI_DEV: 1155 return( vbi_close( bktr ) ); 1156 } 1157 1158 return( ENXIO ); 1159 } 1160 1161 /* 1162 * 1163 */ 1164 int 1165 bktr_read( dev_t dev, struct uio *uio, int ioflag ) 1166 { 1167 bktr_ptr_t bktr; 1168 int unit; 1169 1170 unit = UNIT(minor(dev)); 1171 if (unit >= NBKTR) /* unit out of range */ 1172 return( ENXIO ); 1173 1174 bktr = &(brooktree[unit]); 1175 1176 switch ( FUNCTION( minor(dev) ) ) { 1177 case VIDEO_DEV: 1178 return( video_read( bktr, unit, dev, uio ) ); 1179 case VBI_DEV: 1180 return( vbi_read( bktr, uio, ioflag ) ); 1181 } 1182 return( ENXIO ); 1183 } 1184 1185 1186 /* 1187 * 1188 */ 1189 int 1190 bktr_write( dev_t dev, struct uio *uio, int ioflag ) 1191 { 1192 return( EINVAL ); /* XXX or ENXIO ? */ 1193 } 1194 1195 /* 1196 * 1197 */ 1198 int 1199 bktr_ioctl( dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct proc* pr ) 1200 { 1201 bktr_ptr_t bktr; 1202 int unit; 1203 1204 unit = UNIT(minor(dev)); 1205 if (unit >= NBKTR) /* unit out of range */ 1206 return( ENXIO ); 1207 1208 bktr = &(brooktree[ unit ]); 1209 1210 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 1211 return( ENOMEM ); 1212 1213 switch ( FUNCTION( minor(dev) ) ) { 1214 case VIDEO_DEV: 1215 return( video_ioctl( bktr, unit, cmd, arg, pr ) ); 1216 case TUNER_DEV: 1217 return( tuner_ioctl( bktr, unit, cmd, arg, pr ) ); 1218 } 1219 1220 return( ENXIO ); 1221 } 1222 1223 /* 1224 * bktr_mmap. 1225 * Note: 2.2.5/2.2.6/2.2.7/3.0 users must manually 1226 * edit the line below and change "vm_offset_t" to "int" 1227 */ 1228 int bktr_mmap( dev_t dev, vm_offset_t offset, int nprot ) 1229 1230 { 1231 int unit; 1232 bktr_ptr_t bktr; 1233 1234 unit = UNIT(minor(dev)); 1235 1236 if (unit >= NBKTR || FUNCTION(minor(dev)) > 0) 1237 return( -1 ); 1238 1239 bktr = &(brooktree[ unit ]); 1240 1241 if (nprot & PROT_EXEC) 1242 return( -1 ); 1243 1244 if (offset < 0) 1245 return( -1 ); 1246 1247 if (offset >= bktr->alloc_pages * PAGE_SIZE) 1248 return( -1 ); 1249 1250 return( i386_btop(vtophys(bktr->bigbuf) + offset) ); 1251 } 1252 1253 int bktr_poll( dev_t dev, int events, struct proc *p) 1254 { 1255 int unit; 1256 bktr_ptr_t bktr; 1257 int revents = 0; 1258 1259 unit = UNIT(minor(dev)); 1260 1261 if (unit >= NBKTR) 1262 return( -1 ); 1263 1264 bktr = &(brooktree[ unit ]); 1265 1266 disable_intr(); 1267 1268 if (events & (POLLIN | POLLRDNORM)) { 1269 1270 switch ( FUNCTION( minor(dev) ) ) { 1271 case VBI_DEV: 1272 if(bktr->vbisize == 0) 1273 selrecord(p, &bktr->vbi_select); 1274 else 1275 revents |= events & (POLLIN | POLLRDNORM); 1276 break; 1277 } 1278 } 1279 1280 enable_intr(); 1281 1282 return (revents); 1283 } 1284 1285 1286 #endif /* FreeBSD 2.2.x and 3.x specific kernel interface routines */ 1287 1288 1289 /*****************/ 1290 /* *** BSDI *** */ 1291 /*****************/ 1292 1293 #if defined(__bsdi__) 1294 #endif /* __bsdi__ BSDI specific kernel interface routines */ 1295 1296 1297 /*****************************/ 1298 /* *** OpenBSD / NetBSD *** */ 1299 /*****************************/ 1300 #if defined(__NetBSD__) || defined(__OpenBSD__) 1301 1302 #define IPL_VIDEO IPL_BIO /* XXX */ 1303 1304 static int bktr_intr(void *arg) { return common_bktr_intr(arg); } 1305 1306 #define bktr_open bktropen 1307 #define bktr_close bktrclose 1308 #define bktr_read bktrread 1309 #define bktr_write bktrwrite 1310 #define bktr_ioctl bktrioctl 1311 #define bktr_mmap bktrmmap 1312 1313 #if defined(__OpenBSD__) 1314 static int bktr_probe __P((struct device *, void *, void *)); 1315 #else 1316 static int bktr_probe __P((struct device *, struct cfdata *, void *)); 1317 #endif 1318 static void bktr_attach __P((struct device *, struct device *, void *)); 1319 1320 struct cfattach bktr_ca = { 1321 sizeof(struct bktr_softc), bktr_probe, bktr_attach 1322 }; 1323 1324 #if defined(__NetBSD__) 1325 extern struct cfdriver bktr_cd; 1326 #else 1327 struct cfdriver bktr_cd = { 1328 NULL, "bktr", DV_DULL 1329 }; 1330 #endif 1331 1332 1333 #if NRADIO > 0 1334 /* for radio(4) */ 1335 int bktr_get_info(void *, struct radio_info *); 1336 int bktr_set_info(void *, struct radio_info *); 1337 1338 struct radio_hw_if bktr_hw_if = { 1339 NULL, /* open */ 1340 NULL, /* close */ 1341 bktr_get_info, 1342 bktr_set_info, 1343 NULL /* search */ 1344 }; 1345 #endif 1346 1347 int 1348 bktr_probe(parent, match, aux) 1349 struct device *parent; 1350 #if defined(__OpenBSD__) 1351 void *match; 1352 #else 1353 struct cfdata *match; 1354 #endif 1355 void *aux; 1356 { 1357 struct pci_attach_args *pa = aux; 1358 1359 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_BROOKTREE && 1360 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT848 || 1361 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT849 || 1362 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT878 || 1363 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT879)) 1364 return 1; 1365 1366 return 0; 1367 } 1368 1369 1370 /* 1371 * the attach routine. 1372 */ 1373 static void 1374 bktr_attach(struct device *parent, struct device *self, void *aux) 1375 { 1376 bktr_ptr_t bktr; 1377 u_long latency; 1378 u_long fun; 1379 unsigned int rev; 1380 1381 #if defined(__OpenBSD__) 1382 struct pci_attach_args *pa = aux; 1383 pci_chipset_tag_t pc = pa->pa_pc; 1384 1385 pci_intr_handle_t ih; 1386 const char *intrstr; 1387 int retval; 1388 int unit; 1389 1390 bktr = (bktr_ptr_t)self; 1391 unit = bktr->bktr_dev.dv_unit; 1392 1393 bktr->pc = pa->pa_pc; 1394 bktr->tag = pa->pa_tag; 1395 bktr->dmat = pa->pa_dmat; 1396 1397 /* 1398 * map memory 1399 */ 1400 bktr->memt = pa->pa_memt; 1401 retval = pci_mem_find(pc, pa->pa_tag, PCI_MAPREG_START, 1402 &bktr->phys_base, &bktr->obmemsz, NULL); 1403 if (!retval) 1404 retval = bus_space_map(pa->pa_memt, bktr->phys_base, 1405 bktr->obmemsz, 0, &bktr->memh); 1406 if (retval) { 1407 printf(": couldn't map memory\n"); 1408 return; 1409 } 1410 1411 1412 /* 1413 * map interrupt 1414 */ 1415 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 1416 pa->pa_intrline, &ih)) { 1417 printf(": couldn't map interrupt\n"); 1418 return; 1419 } 1420 intrstr = pci_intr_string(pa->pa_pc, ih); 1421 1422 bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO, 1423 bktr_intr, bktr, bktr->bktr_dev.dv_xname); 1424 if (bktr->ih == NULL) { 1425 printf(": couldn't establish interrupt"); 1426 if (intrstr != NULL) 1427 printf(" at %s", intrstr); 1428 printf("\n"); 1429 return; 1430 } 1431 1432 if (intrstr != NULL) 1433 printf(": %s\n", intrstr); 1434 #endif /* __OpenBSD__ */ 1435 1436 #if defined(__NetBSD__) 1437 struct pci_attach_args *pa = aux; 1438 pci_intr_handle_t ih; 1439 const char *intrstr; 1440 int retval; 1441 int unit; 1442 1443 bktr = (bktr_ptr_t)self; 1444 unit = bktr->bktr_dev.dv_unit; 1445 bktr->dmat = pa->pa_dmat; 1446 1447 printf("\n"); 1448 1449 /* 1450 * map memory 1451 */ 1452 retval = pci_mapreg_map(pa, PCI_MAPREG_START, 1453 PCI_MAPREG_TYPE_MEM 1454 | PCI_MAPREG_MEM_TYPE_32BIT, 0, 1455 &bktr->memt, &bktr->memh, NULL, 1456 &bktr->obmemsz); 1457 DPR(("pci_mapreg_map: memt %lx, memh %x, size %x\n", 1458 (long unsigned)bktr->memt, (u_int)bktr->memh, 1459 (u_int)bktr->obmemsz)); 1460 if (retval) { 1461 printf("%s: couldn't map memory\n", bktr_name(bktr)); 1462 return; 1463 } 1464 1465 /* 1466 * Disable the brooktree device 1467 */ 1468 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 1469 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 1470 1471 /* 1472 * map interrupt 1473 */ 1474 if (pci_intr_map(pa, &ih)) { 1475 printf("%s: couldn't map interrupt\n", 1476 bktr_name(bktr)); 1477 return; 1478 } 1479 intrstr = pci_intr_string(pa->pa_pc, ih); 1480 bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO, 1481 bktr_intr, bktr); 1482 if (bktr->ih == NULL) { 1483 printf("%s: couldn't establish interrupt", 1484 bktr_name(bktr)); 1485 if (intrstr != NULL) 1486 printf(" at %s", intrstr); 1487 printf("\n"); 1488 return; 1489 } 1490 if (intrstr != NULL) 1491 printf("%s: interrupting at %s\n", bktr_name(bktr), 1492 intrstr); 1493 #endif /* __NetBSD__ */ 1494 1495 /* 1496 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 1497 * you have more than four, then 16 would probably be a better value. 1498 */ 1499 #ifndef BROOKTREE_DEF_LATENCY_VALUE 1500 #define BROOKTREE_DEF_LATENCY_VALUE 10 1501 #endif 1502 latency = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_LATENCY_TIMER); 1503 latency = (latency >> 8) & 0xff; 1504 1505 if (!latency) { 1506 if (bootverbose) { 1507 printf("%s: PCI bus latency was 0 changing to %d", 1508 bktr_name(bktr), BROOKTREE_DEF_LATENCY_VALUE); 1509 } 1510 latency = BROOKTREE_DEF_LATENCY_VALUE; 1511 pci_conf_write(pa->pa_pc, pa->pa_tag, 1512 PCI_LATENCY_TIMER, latency<<8); 1513 } 1514 1515 1516 /* Enabled Bus Master 1517 XXX: check if all old DMA is stopped first (e.g. after warm 1518 boot) */ 1519 fun = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 1520 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 1521 fun | PCI_COMMAND_MASTER_ENABLE); 1522 1523 /* read the pci id and determine the card type */ 1524 fun = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ID_REG); 1525 rev = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG) & 0x000000ff; 1526 1527 common_bktr_attach(bktr, unit, fun, rev); 1528 1529 #if NRADIO > 0 1530 /* attach to radio(4) */ 1531 if (bktr->card.tuner->pllControl[3] != 0x00) 1532 radio_attach_mi(&bktr_hw_if, bktr, &bktr->bktr_dev); 1533 #endif 1534 } 1535 1536 1537 /* 1538 * Special Memory Allocation 1539 */ 1540 #if defined (__NetBSD__) 1541 vaddr_t 1542 #else 1543 vm_offset_t 1544 #endif 1545 get_bktr_mem(bktr, dmapp, size) 1546 bktr_ptr_t bktr; 1547 bus_dmamap_t *dmapp; 1548 unsigned int size; 1549 { 1550 bus_dma_tag_t dmat = bktr->dmat; 1551 bus_dma_segment_t seg; 1552 bus_size_t align; 1553 int rseg; 1554 caddr_t kva; 1555 1556 /* 1557 * Allocate a DMA area 1558 */ 1559 align = 1 << 24; 1560 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, 1561 &rseg, BUS_DMA_NOWAIT)) { 1562 align = PAGE_SIZE; 1563 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, 1564 &rseg, BUS_DMA_NOWAIT)) { 1565 printf("%s: Unable to dmamem_alloc of %d bytes\n", 1566 bktr_name(bktr), size); 1567 return 0; 1568 } 1569 } 1570 if (bus_dmamem_map(dmat, &seg, rseg, size, 1571 &kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) { 1572 printf("%s: Unable to dmamem_map of %d bytes\n", 1573 bktr_name(bktr), size); 1574 bus_dmamem_free(dmat, &seg, rseg); 1575 return 0; 1576 } 1577 #ifdef __OpenBSD__ 1578 bktr->dm_mapsize = size; 1579 #endif 1580 /* 1581 * Create and locd the DMA map for the DMA area 1582 */ 1583 if (bus_dmamap_create(dmat, size, 1, size, 0, BUS_DMA_NOWAIT, dmapp)) { 1584 printf("%s: Unable to dmamap_create of %d bytes\n", 1585 bktr_name(bktr), size); 1586 bus_dmamem_unmap(dmat, kva, size); 1587 bus_dmamem_free(dmat, &seg, rseg); 1588 return 0; 1589 } 1590 if (bus_dmamap_load(dmat, *dmapp, kva, size, NULL, BUS_DMA_NOWAIT)) { 1591 printf("%s: Unable to dmamap_load of %d bytes\n", 1592 bktr_name(bktr), size); 1593 bus_dmamem_unmap(dmat, kva, size); 1594 bus_dmamem_free(dmat, &seg, rseg); 1595 bus_dmamap_destroy(dmat, *dmapp); 1596 return 0; 1597 } 1598 #if defined(__NetBSD__) 1599 return (vaddr_t)kva; 1600 #else 1601 return (vm_offset_t)kva; 1602 #endif 1603 } 1604 1605 void 1606 free_bktr_mem(bktr, dmap, kva) 1607 bktr_ptr_t bktr; 1608 bus_dmamap_t dmap; 1609 #if defined(__NetBSD__) 1610 vaddr_t kva; 1611 #else 1612 vm_offset_t kva; 1613 #endif 1614 { 1615 bus_dma_tag_t dmat = bktr->dmat; 1616 1617 #ifdef __NetBSD__ 1618 bus_dmamem_unmap(dmat, (caddr_t)kva, dmap->dm_mapsize); 1619 #else 1620 bus_dmamem_unmap(dmat, (caddr_t)kva, bktr->dm_mapsize); 1621 #endif 1622 bus_dmamem_free(dmat, dmap->dm_segs, 1); 1623 bus_dmamap_destroy(dmat, dmap); 1624 } 1625 1626 1627 /*--------------------------------------------------------- 1628 ** 1629 ** BrookTree 848 character device driver routines 1630 ** 1631 **--------------------------------------------------------- 1632 */ 1633 1634 1635 #define VIDEO_DEV 0x00 1636 #define TUNER_DEV 0x01 1637 #define VBI_DEV 0x02 1638 1639 #define UNIT(x) (minor((x) & 0x0f)) 1640 #define FUNCTION(x) (minor((x >> 4) & 0x0f)) 1641 1642 /* 1643 * 1644 */ 1645 int 1646 bktr_open(dev_t dev, int flags, int fmt, struct proc *p) 1647 { 1648 bktr_ptr_t bktr; 1649 int unit; 1650 1651 unit = UNIT(dev); 1652 1653 /* unit out of range */ 1654 if ((unit >= bktr_cd.cd_ndevs) || (bktr_cd.cd_devs[unit] == NULL)) 1655 return(ENXIO); 1656 1657 bktr = bktr_cd.cd_devs[unit]; 1658 1659 if (!(bktr->flags & METEOR_INITIALIZED)) /* device not found */ 1660 return(ENXIO); 1661 1662 switch (FUNCTION(dev)) { 1663 case VIDEO_DEV: 1664 return(video_open(bktr)); 1665 case TUNER_DEV: 1666 return(tuner_open(bktr)); 1667 case VBI_DEV: 1668 return(vbi_open(bktr)); 1669 } 1670 1671 return(ENXIO); 1672 } 1673 1674 1675 /* 1676 * 1677 */ 1678 int 1679 bktr_close(dev_t dev, int flags, int fmt, struct proc *p) 1680 { 1681 bktr_ptr_t bktr; 1682 int unit; 1683 1684 unit = UNIT(dev); 1685 1686 bktr = bktr_cd.cd_devs[unit]; 1687 1688 switch (FUNCTION(dev)) { 1689 case VIDEO_DEV: 1690 return(video_close(bktr)); 1691 case TUNER_DEV: 1692 return(tuner_close(bktr)); 1693 case VBI_DEV: 1694 return(vbi_close(bktr)); 1695 } 1696 1697 return(ENXIO); 1698 } 1699 1700 /* 1701 * 1702 */ 1703 int 1704 bktr_read(dev_t dev, struct uio *uio, int ioflag) 1705 { 1706 bktr_ptr_t bktr; 1707 int unit; 1708 1709 unit = UNIT(dev); 1710 1711 bktr = bktr_cd.cd_devs[unit]; 1712 1713 switch (FUNCTION(dev)) { 1714 case VIDEO_DEV: 1715 return(video_read(bktr, unit, dev, uio)); 1716 case VBI_DEV: 1717 return(vbi_read(bktr, uio, ioflag)); 1718 } 1719 1720 return(ENXIO); 1721 } 1722 1723 1724 /* 1725 * 1726 */ 1727 int 1728 bktr_write(dev_t dev, struct uio *uio, int ioflag) 1729 { 1730 /* operation not supported */ 1731 return(EOPNOTSUPP); 1732 } 1733 1734 /* 1735 * 1736 */ 1737 int 1738 bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct proc* pr) 1739 { 1740 bktr_ptr_t bktr; 1741 int unit; 1742 1743 unit = UNIT(dev); 1744 1745 bktr = bktr_cd.cd_devs[unit]; 1746 1747 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 1748 return(ENOMEM); 1749 1750 switch (FUNCTION(dev)) { 1751 case VIDEO_DEV: 1752 return(video_ioctl(bktr, unit, cmd, arg, pr)); 1753 case TUNER_DEV: 1754 return(tuner_ioctl(bktr, unit, cmd, arg, pr)); 1755 } 1756 1757 return(ENXIO); 1758 } 1759 1760 /* 1761 * 1762 */ 1763 paddr_t 1764 bktr_mmap(dev_t dev, off_t offset, int nprot) 1765 { 1766 int unit; 1767 bktr_ptr_t bktr; 1768 1769 unit = UNIT(dev); 1770 1771 if (FUNCTION(dev) > 0) /* only allow mmap on /dev/bktr[n] */ 1772 return(-1); 1773 1774 bktr = bktr_cd.cd_devs[unit]; 1775 1776 if ((vaddr_t)offset < 0) 1777 return(-1); 1778 1779 if ((vaddr_t)offset >= bktr->alloc_pages * PAGE_SIZE) 1780 return(-1); 1781 1782 #ifdef __NetBSD__ 1783 return (bus_dmamem_mmap(bktr->dmat, bktr->dm_mem->dm_segs, 1, 1784 (vaddr_t)offset, nprot, BUS_DMA_WAITOK)); 1785 #else 1786 return(i386_btop(vtophys(bktr->bigbuf) + offset)); 1787 #endif 1788 } 1789 1790 #if NRADIO > 0 1791 int 1792 bktr_set_info(void *v, struct radio_info *ri) 1793 { 1794 struct bktr_softc *sc = v; 1795 u_int32_t freq; 1796 1797 if (ri->mute) { 1798 /* mute the audio stream by switching the mux */ 1799 set_audio(sc, AUDIO_MUTE); 1800 1801 /* disable drivers on the GPIO port that controls the MUXes */ 1802 OUTL(sc, BKTR_GPIO_OUT_EN, INL(sc, BKTR_GPIO_OUT_EN) & 1803 ~sc->card.gpio_mux_bits); 1804 } else { 1805 /* enable drivers on the GPIO port that controls the MUXes */ 1806 OUTL(sc, BKTR_GPIO_OUT_EN, INL(sc, BKTR_GPIO_OUT_EN) | 1807 sc->card.gpio_mux_bits); 1808 1809 /* unmute the audio stream */ 1810 set_audio(sc, AUDIO_UNMUTE); 1811 init_audio_devices(sc); 1812 } 1813 1814 freq = ri->freq / 10; 1815 set_audio(sc, AUDIO_INTERN); /* use internal audio */ 1816 temp_mute(sc, TRUE); 1817 ri->freq = tv_freq(sc, freq, FM_RADIO_FREQUENCY) * 10; 1818 temp_mute(sc, FALSE); 1819 1820 return (0); 1821 } 1822 1823 int 1824 bktr_get_info(void *v, struct radio_info *ri) 1825 { 1826 struct bktr_softc *sc = v; 1827 struct TVTUNER *tv = &sc->tuner; 1828 int status; 1829 1830 status = get_tuner_status(sc); 1831 1832 #define STATUSBIT_STEREO 0x10 1833 ri->mute = (int)sc->audio_mute_state ? 1 : 0; 1834 ri->stereo = (status & STATUSBIT_STEREO) ? 1 : 0; 1835 ri->caps = RADIO_CAPS_DETECT_STEREO | RADIO_CAPS_HW_AFC; 1836 ri->freq = tv->frequency * 10; 1837 ri->info = (status & STATUSBIT_STEREO) ? RADIO_INFO_STEREO : 0; 1838 #undef STATUSBIT_STEREO 1839 1840 /* not yet supported */ 1841 ri->volume = ri->rfreq = ri->lock = 0; 1842 1843 return (0); 1844 } 1845 #endif 1846 1847 #endif /* __NetBSD__ || __OpenBSD__ */ 1848
Indexes created Tue Oct 28 12:10:06 GMT 2025