bktr_os.c revision 1.24
1 /* $NetBSD: bktr_os.c,v 1.24 2002/01/06 15:37:08 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 1.24 2002/01/06 15:37:08 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 /*******************/ 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 #include <sys/radioio.h> 153 154 #ifndef __NetBSD__ 155 #include <vm/vm.h> 156 #include <vm/vm_kern.h> 157 #include <vm/pmap.h> 158 #include <vm/vm_extern.h> 159 #endif 160 161 #include <sys/device.h> 162 #include <dev/pci/pcivar.h> 163 #include <dev/pci/pcireg.h> 164 #include <dev/pci/pcidevs.h> 165 #include <dev/radio_if.h> 166 167 #define BKTR_DEBUG 168 #ifdef BKTR_DEBUG 169 int bktr_debug = 0; 170 #define DPR(x) (bktr_debug ? printf x : 0) 171 #else 172 #define DPR(x) 173 #endif 174 #endif /* __NetBSD__ || __OpenBSD__ */ 175 176 177 #ifdef __NetBSD__ 178 #include <dev/ic/bt8xx.h> /* NetBSD location for .h files */ 179 #include <dev/pci/bktr/bktr_reg.h> 180 #include <dev/pci/bktr/bktr_tuner.h> 181 #include <dev/pci/bktr/bktr_card.h> 182 #include <dev/pci/bktr/bktr_audio.h> 183 #include <dev/pci/bktr/bktr_core.h> 184 #include <dev/pci/bktr/bktr_os.h> 185 #else /* Traditional location for .h files */ 186 #include <machine/ioctl_meteor.h> 187 #include <machine/ioctl_bt848.h> /* extensions to ioctl_meteor.h */ 188 #include <dev/bktr/bktr_reg.h> 189 #include <dev/bktr/bktr_tuner.h> 190 #include <dev/bktr/bktr_card.h> 191 #include <dev/bktr/bktr_audio.h> 192 #include <dev/bktr/bktr_core.h> 193 #include <dev/bktr/bktr_os.h> 194 #if defined(BKTR_USE_FREEBSD_SMBUS) 195 #include <dev/bktr/bktr_i2c.h> 196 #endif 197 #endif 198 199 200 201 /****************************/ 202 /* *** FreeBSD 4.x code *** */ 203 /****************************/ 204 #if (__FreeBSD_version >= 400000) 205 206 static int bktr_probe( device_t dev ); 207 static int bktr_attach( device_t dev ); 208 static int bktr_detach( device_t dev ); 209 static int bktr_shutdown( device_t dev ); 210 static void bktr_intr(void *arg) { common_bktr_intr(arg); } 211 212 static device_method_t bktr_methods[] = { 213 /* Device interface */ 214 DEVMETHOD(device_probe, bktr_probe), 215 DEVMETHOD(device_attach, bktr_attach), 216 DEVMETHOD(device_detach, bktr_detach), 217 DEVMETHOD(device_shutdown, bktr_shutdown), 218 219 { 0, 0 } 220 }; 221 222 static driver_t bktr_driver = { 223 "bktr", 224 bktr_methods, 225 sizeof(struct bktr_softc), 226 }; 227 228 static devclass_t bktr_devclass; 229 230 static d_open_t bktr_open; 231 static d_close_t bktr_close; 232 static d_read_t bktr_read; 233 static d_write_t bktr_write; 234 static d_ioctl_t bktr_ioctl; 235 static d_mmap_t bktr_mmap; 236 static d_poll_t bktr_poll; 237 238 #define CDEV_MAJOR 92 239 static struct cdevsw bktr_cdevsw = { 240 /* open */ bktr_open, 241 /* close */ bktr_close, 242 /* read */ bktr_read, 243 /* write */ bktr_write, 244 /* ioctl */ bktr_ioctl, 245 /* poll */ bktr_poll, 246 /* mmap */ bktr_mmap, 247 /* strategy */ nostrategy, 248 /* name */ "bktr", 249 /* maj */ CDEV_MAJOR, 250 /* dump */ nodump, 251 /* psize */ nopsize, 252 /* flags */ 0, 253 /* bmaj */ -1 254 }; 255 256 DRIVER_MODULE(bktr, pci, bktr_driver, bktr_devclass, 0, 0); 257 #if (__FreeBSD_version > 410000) 258 MODULE_DEPEND(bktr, bktr_mem, 1,1,1); 259 MODULE_VERSION(bktr, 1); 260 #endif 261 262 263 /* 264 * the boot time probe routine. 265 */ 266 static int 267 bktr_probe( device_t dev ) 268 { 269 unsigned int type = pci_get_devid(dev); 270 unsigned int rev = pci_get_revid(dev); 271 272 if (PCI_VENDOR(type) == PCI_VENDOR_BROOKTREE) 273 { 274 switch (PCI_PRODUCT(type)) { 275 case PCI_PRODUCT_BROOKTREE_BT848: 276 if (rev == 0x12) 277 device_set_desc(dev, "BrookTree 848A"); 278 else 279 device_set_desc(dev, "BrookTree 848"); 280 return 0; 281 case PCI_PRODUCT_BROOKTREE_BT849: 282 device_set_desc(dev, "BrookTree 849A"); 283 return 0; 284 case PCI_PRODUCT_BROOKTREE_BT878: 285 device_set_desc(dev, "BrookTree 878"); 286 return 0; 287 case PCI_PRODUCT_BROOKTREE_BT879: 288 device_set_desc(dev, "BrookTree 879"); 289 return 0; 290 } 291 }; 292 293 return ENXIO; 294 } 295 296 297 /* 298 * the attach routine. 299 */ 300 static int 301 bktr_attach( device_t dev ) 302 { 303 u_long latency; 304 u_long fun; 305 u_long val; 306 unsigned int rev; 307 unsigned int unit; 308 int error = 0; 309 #ifdef BROOKTREE_IRQ 310 u_long old_irq, new_irq; 311 #endif 312 313 struct bktr_softc *bktr = device_get_softc(dev); 314 315 unit = device_get_unit(dev); 316 317 /* build the device name for bktr_name() */ 318 snprintf(bktr->bktr_xname, sizeof(bktr->bktr_xname), "bktr%d",unit); 319 320 /* 321 * Enable bus mastering and Memory Mapped device 322 */ 323 val = pci_read_config(dev, PCIR_COMMAND, 4); 324 val |= (PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN); 325 pci_write_config(dev, PCIR_COMMAND, val, 4); 326 327 /* 328 * Map control/status registers. 329 */ 330 bktr->mem_rid = PCIR_MAPS; 331 bktr->res_mem = bus_alloc_resource(dev, SYS_RES_MEMORY, &bktr->mem_rid, 332 0, ~0, 1, RF_ACTIVE); 333 334 335 if (!bktr->res_mem) { 336 device_printf(dev, "could not map memory\n"); 337 error = ENXIO; 338 goto fail; 339 } 340 bktr->memt = rman_get_bustag(bktr->res_mem); 341 bktr->memh = rman_get_bushandle(bktr->res_mem); 342 343 344 /* 345 * Disable the brooktree device 346 */ 347 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 348 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 349 350 351 #ifdef BROOKTREE_IRQ /* from the configuration file */ 352 old_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 353 pci_conf_write(tag, PCI_INTERRUPT_REG, BROOKTREE_IRQ); 354 new_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 355 printf("bktr%d: attach: irq changed from %d to %d\n", 356 unit, (old_irq & 0xff), (new_irq & 0xff)); 357 #endif 358 359 /* 360 * Allocate our interrupt. 361 */ 362 bktr->irq_rid = 0; 363 bktr->res_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &bktr->irq_rid, 364 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE); 365 if (bktr->res_irq == NULL) { 366 device_printf(dev, "could not map interrupt\n"); 367 error = ENXIO; 368 goto fail; 369 } 370 371 error = bus_setup_intr(dev, bktr->res_irq, INTR_TYPE_TTY, 372 bktr_intr, bktr, &bktr->res_ih); 373 if (error) { 374 device_printf(dev, "could not setup irq\n"); 375 goto fail; 376 377 } 378 379 380 /* Update the Device Control Register */ 381 /* on Bt878 and Bt879 cards */ 382 fun = pci_read_config( dev, 0x40, 2); 383 fun = fun | 1; /* Enable writes to the sub-system vendor ID */ 384 385 #if defined( BKTR_430_FX_MODE ) 386 if (bootverbose) printf("Using 430 FX chipset compatibilty mode\n"); 387 fun = fun | 2; /* Enable Intel 430 FX compatibility mode */ 388 #endif 389 390 #if defined( BKTR_SIS_VIA_MODE ) 391 if (bootverbose) printf("Using SiS/VIA chipset compatibilty mode\n"); 392 fun = fun | 4; /* Enable SiS/VIA compatibility mode (usefull for 393 OPTi chipset motherboards too */ 394 #endif 395 pci_write_config(dev, 0x40, fun, 2); 396 397 398 /* XXX call bt848_i2c dependent attach() routine */ 399 #if defined(BKTR_USE_FREEBSD_SMBUS) 400 if (bt848_i2c_attach(unit, bktr, &bktr->i2c_sc)) 401 printf("bktr%d: i2c_attach: can't attach\n", unit); 402 #endif 403 404 405 /* 406 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 407 * you have more than four, then 16 would probably be a better value. 408 */ 409 #ifndef BROOKTREE_DEF_LATENCY_VALUE 410 #define BROOKTREE_DEF_LATENCY_VALUE 10 411 #endif 412 latency = pci_read_config(dev, PCI_LATENCY_TIMER, 4); 413 latency = (latency >> 8) & 0xff; 414 if ( bootverbose ) { 415 if (latency) 416 printf("brooktree%d: PCI bus latency is", unit); 417 else 418 printf("brooktree%d: PCI bus latency was 0 changing to", 419 unit); 420 } 421 if ( !latency ) { 422 latency = BROOKTREE_DEF_LATENCY_VALUE; 423 pci_write_config(dev, PCI_LATENCY_TIMER, latency<<8, 4); 424 } 425 if ( bootverbose ) { 426 printf(" %d.\n", (int) latency); 427 } 428 429 /* read the pci device id and revision id */ 430 fun = pci_get_devid(dev); 431 rev = pci_get_revid(dev); 432 433 /* call the common attach code */ 434 common_bktr_attach( bktr, unit, fun, rev ); 435 436 /* make the device entries */ 437 bktr->bktrdev = make_dev(&bktr_cdevsw, unit, 438 0, 0, 0444, "bktr%d", unit); 439 bktr->tunerdev= make_dev(&bktr_cdevsw, unit+16, 440 0, 0, 0444, "tuner%d", unit); 441 bktr->vbidev = make_dev(&bktr_cdevsw, unit+32, 442 0, 0, 0444, "vbi%d" , unit); 443 444 445 /* if this is unit 0 (/dev/bktr0, /dev/tuner0, /dev/vbi0) then make */ 446 /* alias entries to /dev/bktr /dev/tuner and /dev/vbi */ 447 #if (__FreeBSD_version >=500000) 448 if (unit == 0) { 449 bktr->bktrdev_alias = make_dev_alias(bktr->bktrdev, "bktr"); 450 bktr->tunerdev_alias= make_dev_alias(bktr->tunerdev, "tuner"); 451 bktr->vbidev_alias = make_dev_alias(bktr->vbidev, "vbi"); 452 } 453 #endif 454 455 return 0; 456 457 fail: 458 if (bktr->res_irq) 459 bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq); 460 if (bktr->res_mem) 461 bus_release_resource(dev, SYS_RES_IRQ, bktr->mem_rid, bktr->res_mem); 462 return error; 463 464 } 465 466 /* 467 * the detach routine. 468 */ 469 static int 470 bktr_detach( device_t dev ) 471 { 472 unsigned int unit; 473 474 struct bktr_softc *bktr = device_get_softc(dev); 475 476 unit = device_get_unit(dev); 477 478 /* Disable the brooktree device */ 479 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 480 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 481 482 /* Note: We do not free memory for RISC programs, grab buffer, vbi buffers */ 483 /* The memory is retained by the bktr_mem module so we can unload and */ 484 /* then reload the main bktr driver module */ 485 486 /* Unregister the /dev/bktrN, tunerN and vbiN devices */ 487 destroy_dev(bktr->vbidev); 488 destroy_dev(bktr->tunerdev); 489 destroy_dev(bktr->bktrdev); 490 491 /* If this is unit 0, then destroy the alias entries too */ 492 #if (__FreeBSD_version >=500000) 493 if (unit == 0) { 494 destroy_dev(bktr->vbidev_alias); 495 destroy_dev(bktr->tunerdev_alias); 496 destroy_dev(bktr->bktrdev_alias); 497 } 498 #endif 499 500 /* 501 * Deallocate resources. 502 */ 503 bus_teardown_intr(dev, bktr->res_irq, bktr->res_ih); 504 bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq); 505 bus_release_resource(dev, SYS_RES_MEMORY, bktr->mem_rid, bktr->res_mem); 506 507 return 0; 508 } 509 510 /* 511 * the shutdown routine. 512 */ 513 static int 514 bktr_shutdown( device_t dev ) 515 { 516 struct bktr_softc *bktr = device_get_softc(dev); 517 518 /* Disable the brooktree device */ 519 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 520 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 521 522 return 0; 523 } 524 525 526 /* 527 * Special Memory Allocation 528 */ 529 vm_offset_t 530 get_bktr_mem( int unit, unsigned size ) 531 { 532 vm_offset_t addr = 0; 533 534 addr = vm_page_alloc_contig(size, 0, 0xffffffff, 1<<24); 535 if (addr == 0) 536 addr = vm_page_alloc_contig(size, 0, 0xffffffff, PAGE_SIZE); 537 if (addr == 0) { 538 printf("bktr%d: Unable to allocate %d bytes of memory.\n", 539 unit, size); 540 } 541 542 return( addr ); 543 } 544 545 546 /*--------------------------------------------------------- 547 ** 548 ** BrookTree 848 character device driver routines 549 ** 550 **--------------------------------------------------------- 551 */ 552 553 #define VIDEO_DEV 0x00 554 #define TUNER_DEV 0x01 555 #define VBI_DEV 0x02 556 557 #define UNIT(x) ((x) & 0x0f) 558 #define FUNCTION(x) (x >> 4) 559 560 /* 561 * 562 */ 563 int 564 bktr_open( dev_t dev, int flags, int fmt, struct proc *p ) 565 { 566 bktr_ptr_t bktr; 567 int unit; 568 int result; 569 570 unit = UNIT( minor(dev) ); 571 572 /* Get the device data */ 573 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 574 if (bktr == NULL) { 575 /* the device is no longer valid/functioning */ 576 return (ENXIO); 577 } 578 579 if (!(bktr->flags & METEOR_INITIALIZED)) /* device not found */ 580 return( ENXIO ); 581 582 /* Record that the device is now busy */ 583 device_busy(devclass_get_device(bktr_devclass, unit)); 584 585 586 if (bt848_card != -1) { 587 if ((bt848_card >> 8 == unit ) && 588 ( (bt848_card & 0xff) < Bt848_MAX_CARD )) { 589 if ( bktr->bt848_card != (bt848_card & 0xff) ) { 590 bktr->bt848_card = (bt848_card & 0xff); 591 probeCard(bktr, FALSE, unit); 592 } 593 } 594 } 595 596 if (bt848_tuner != -1) { 597 if ((bt848_tuner >> 8 == unit ) && 598 ( (bt848_tuner & 0xff) < Bt848_MAX_TUNER )) { 599 if ( bktr->bt848_tuner != (bt848_tuner & 0xff) ) { 600 bktr->bt848_tuner = (bt848_tuner & 0xff); 601 probeCard(bktr, FALSE, unit); 602 } 603 } 604 } 605 606 if (bt848_reverse_mute != -1) { 607 if ((bt848_reverse_mute >> 8) == unit ) { 608 bktr->reverse_mute = bt848_reverse_mute & 0xff; 609 } 610 } 611 612 if (bt848_slow_msp_audio != -1) { 613 if ((bt848_slow_msp_audio >> 8) == unit ) { 614 bktr->slow_msp_audio = (bt848_slow_msp_audio & 0xff); 615 } 616 } 617 618 switch ( FUNCTION( minor(dev) ) ) { 619 case VIDEO_DEV: 620 result = video_open( bktr ); 621 break; 622 case TUNER_DEV: 623 result = tuner_open( bktr ); 624 break; 625 case VBI_DEV: 626 result = vbi_open( bktr ); 627 break; 628 default: 629 result = ENXIO; 630 break; 631 } 632 633 /* If there was an error opening the device, undo the busy status */ 634 if (result != 0) 635 device_unbusy(devclass_get_device(bktr_devclass, unit)); 636 return( result ); 637 } 638 639 640 /* 641 * 642 */ 643 int 644 bktr_close( dev_t dev, int flags, int fmt, struct proc *p ) 645 { 646 bktr_ptr_t bktr; 647 int unit; 648 int result; 649 650 unit = UNIT( minor(dev) ); 651 652 /* Get the device data */ 653 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 654 if (bktr == NULL) { 655 /* the device is no longer valid/functioning */ 656 return (ENXIO); 657 } 658 659 switch ( FUNCTION( minor(dev) ) ) { 660 case VIDEO_DEV: 661 result = video_close( bktr ); 662 break; 663 case TUNER_DEV: 664 result = tuner_close( bktr ); 665 break; 666 case VBI_DEV: 667 result = vbi_close( bktr ); 668 break; 669 default: 670 return (ENXIO); 671 break; 672 } 673 674 device_unbusy(devclass_get_device(bktr_devclass, unit)); 675 return( result ); 676 } 677 678 679 /* 680 * 681 */ 682 int 683 bktr_read( dev_t dev, struct uio *uio, int ioflag ) 684 { 685 bktr_ptr_t bktr; 686 int unit; 687 688 unit = UNIT(minor(dev)); 689 690 /* Get the device data */ 691 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 692 if (bktr == NULL) { 693 /* the device is no longer valid/functioning */ 694 return (ENXIO); 695 } 696 697 switch ( FUNCTION( minor(dev) ) ) { 698 case VIDEO_DEV: 699 return( video_read( bktr, unit, dev, uio ) ); 700 case VBI_DEV: 701 return( vbi_read( bktr, uio, ioflag ) ); 702 } 703 return( ENXIO ); 704 } 705 706 707 /* 708 * 709 */ 710 int 711 bktr_write( dev_t dev, struct uio *uio, int ioflag ) 712 { 713 return( EINVAL ); /* XXX or ENXIO ? */ 714 } 715 716 717 /* 718 * 719 */ 720 int 721 bktr_ioctl( dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct proc* pr ) 722 { 723 bktr_ptr_t bktr; 724 int unit; 725 726 unit = UNIT(minor(dev)); 727 728 /* Get the device data */ 729 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 730 if (bktr == NULL) { 731 /* the device is no longer valid/functioning */ 732 return (ENXIO); 733 } 734 735 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 736 return( ENOMEM ); 737 738 switch ( FUNCTION( minor(dev) ) ) { 739 case VIDEO_DEV: 740 return( video_ioctl( bktr, unit, cmd, arg, pr ) ); 741 case TUNER_DEV: 742 return( tuner_ioctl( bktr, unit, cmd, arg, pr ) ); 743 } 744 745 return( ENXIO ); 746 } 747 748 749 /* 750 * 751 */ 752 int 753 bktr_mmap( dev_t dev, vm_offset_t offset, int nprot ) 754 { 755 int unit; 756 bktr_ptr_t bktr; 757 758 unit = UNIT(minor(dev)); 759 760 if (FUNCTION(minor(dev)) > 0) /* only allow mmap on /dev/bktr[n] */ 761 return( -1 ); 762 763 /* Get the device data */ 764 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 765 if (bktr == NULL) { 766 /* the device is no longer valid/functioning */ 767 return (-1); 768 } 769 770 if (nprot & PROT_EXEC) 771 return( -1 ); 772 773 if (offset < 0) 774 return( -1 ); 775 776 if (offset >= bktr->alloc_pages * PAGE_SIZE) 777 return( -1 ); 778 779 return( atop(vtophys(bktr->bigbuf) + offset) ); 780 } 781 782 int bktr_poll( dev_t dev, int events, struct proc *p) 783 { 784 int unit; 785 bktr_ptr_t bktr; 786 int revents = 0; 787 DECLARE_INTR_MASK(s); 788 789 unit = UNIT(minor(dev)); 790 791 /* Get the device data */ 792 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 793 if (bktr == NULL) { 794 /* the device is no longer valid/functioning */ 795 return (ENXIO); 796 } 797 798 DISABLE_INTR(s); 799 800 if (events & (POLLIN | POLLRDNORM)) { 801 802 switch ( FUNCTION( minor(dev) ) ) { 803 case VBI_DEV: 804 if(bktr->vbisize == 0) 805 selrecord(p, &bktr->vbi_select); 806 else 807 revents |= events & (POLLIN | POLLRDNORM); 808 break; 809 } 810 } 811 812 ENABLE_INTR(s); 813 814 return (revents); 815 } 816 817 #endif /* FreeBSD 4.x specific kernel interface routines */ 818 819 /**********************************/ 820 /* *** FreeBSD 2.2.x and 3.x *** */ 821 /**********************************/ 822 823 #if ((__FreeBSD__ == 2) || (__FreeBSD__ == 3)) 824 825 static bktr_reg_t brooktree[ NBKTR ]; 826 827 static const char* bktr_probe( pcici_t tag, pcidi_t type ); 828 static void bktr_attach( pcici_t tag, int unit ); 829 static void bktr_intr(void *arg) { common_bktr_intr(arg); } 830 831 static u_long bktr_count; 832 833 static struct pci_device bktr_device = { 834 "bktr", 835 bktr_probe, 836 bktr_attach, 837 &bktr_count 838 }; 839 840 DATA_SET (pcidevice_set, bktr_device); 841 842 static d_open_t bktr_open; 843 static d_close_t bktr_close; 844 static d_read_t bktr_read; 845 static d_write_t bktr_write; 846 static d_ioctl_t bktr_ioctl; 847 static d_mmap_t bktr_mmap; 848 static d_poll_t bktr_poll; 849 850 #define CDEV_MAJOR 92 851 static struct cdevsw bktr_cdevsw = 852 { 853 bktr_open, bktr_close, bktr_read, bktr_write, 854 bktr_ioctl, nostop, nullreset, nodevtotty, 855 bktr_poll, bktr_mmap, NULL, "bktr", 856 NULL, -1 857 }; 858 859 static int bktr_devsw_installed; 860 861 static void 862 bktr_drvinit( void *unused ) 863 { 864 dev_t dev; 865 866 if ( ! bktr_devsw_installed ) { 867 dev = makedev(CDEV_MAJOR, 0); 868 cdevsw_add(&dev,&bktr_cdevsw, NULL); 869 bktr_devsw_installed = 1; 870 } 871 } 872 873 SYSINIT(bktrdev,SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR,bktr_drvinit,NULL) 874 875 /* 876 * the boot time probe routine. 877 */ 878 static const char* 879 bktr_probe( pcici_t tag, pcidi_t type ) 880 { 881 unsigned int rev = pci_conf_read( tag, PCIR_REVID) & 0x000000ff; 882 883 if (PCI_VENDOR(type) == PCI_VENDOR_BROOKTREE) 884 { 885 switch (PCI_PRODUCT(type)) { 886 case PCI_PRODUCT_BROOKTREE_BT848: 887 if (rev == 0x12) return("BrookTree 848A"); 888 else return("BrookTree 848"); 889 case PCI_PRODUCT_BROOKTREE_BT849: 890 return("BrookTree 849A"); 891 case PCI_PRODUCT_BROOKTREE_BT878: 892 return("BrookTree 878"); 893 case PCI_PRODUCT_BROOKTREE_BT879: 894 return("BrookTree 879"); 895 } 896 }; 897 898 return ((char *)0); 899 } 900 901 /* 902 * the attach routine. 903 */ 904 static void 905 bktr_attach( pcici_t tag, int unit ) 906 { 907 bktr_ptr_t bktr; 908 u_long latency; 909 u_long fun; 910 unsigned int rev; 911 unsigned long base; 912 #ifdef BROOKTREE_IRQ 913 u_long old_irq, new_irq; 914 #endif 915 916 bktr = &brooktree[unit]; 917 918 if (unit >= NBKTR) { 919 printf("brooktree%d: attach: only %d units configured.\n", 920 unit, NBKTR); 921 printf("brooktree%d: attach: invalid unit number.\n", unit); 922 return; 923 } 924 925 /* build the device name for bktr_name() */ 926 snprintf(bktr->bktr_xname, sizeof(bktr->bktr_xname), "bktr%d",unit); 927 928 /* Enable Memory Mapping */ 929 fun = pci_conf_read(tag, PCI_COMMAND_STATUS_REG); 930 pci_conf_write(tag, PCI_COMMAND_STATUS_REG, fun | 2); 931 932 /* Enable Bus Mastering */ 933 fun = pci_conf_read(tag, PCI_COMMAND_STATUS_REG); 934 pci_conf_write(tag, PCI_COMMAND_STATUS_REG, fun | 4); 935 936 bktr->tag = tag; 937 938 939 /* 940 * Map control/status registers 941 */ 942 pci_map_mem( tag, PCI_MAP_REG_START, (vm_offset_t *) &base, 943 &bktr->phys_base ); 944 #if (__FreeBSD_version >= 300000) 945 bktr->memt = I386_BUS_SPACE_MEM; /* XXX should use proper bus space */ 946 bktr->memh = (bus_space_handle_t)base; /* XXX functions here */ 947 #endif 948 949 /* 950 * Disable the brooktree device 951 */ 952 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 953 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 954 955 #ifdef BROOKTREE_IRQ /* from the configuration file */ 956 old_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 957 pci_conf_write(tag, PCI_INTERRUPT_REG, BROOKTREE_IRQ); 958 new_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 959 printf("bktr%d: attach: irq changed from %d to %d\n", 960 unit, (old_irq & 0xff), (new_irq & 0xff)); 961 #endif 962 963 /* 964 * setup the interrupt handling routine 965 */ 966 pci_map_int(tag, bktr_intr, (void*) bktr, &tty_imask); 967 968 969 /* Update the Device Control Register */ 970 /* on Bt878 and Bt879 cards */ 971 fun = pci_conf_read(tag, 0x40); 972 fun = fun | 1; /* Enable writes to the sub-system vendor ID */ 973 974 #if defined( BKTR_430_FX_MODE ) 975 if (bootverbose) printf("Using 430 FX chipset compatibilty mode\n"); 976 fun = fun | 2; /* Enable Intel 430 FX compatibility mode */ 977 #endif 978 979 #if defined( BKTR_SIS_VIA_MODE ) 980 if (bootverbose) printf("Using SiS/VIA chipset compatibilty mode\n"); 981 fun = fun | 4; /* Enable SiS/VIA compatibility mode (usefull for 982 OPTi chipset motherboards too */ 983 #endif 984 pci_conf_write(tag, 0x40, fun); 985 986 987 /* XXX call bt848_i2c dependent attach() routine */ 988 #if defined(BKTR_USE_FREEBSD_SMBUS) 989 if (bt848_i2c_attach(unit, bktr, &bktr->i2c_sc)) 990 printf("bktr%d: i2c_attach: can't attach\n", unit); 991 #endif 992 993 994 /* 995 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 996 * you have more than four, then 16 would probably be a better value. 997 */ 998 #ifndef BROOKTREE_DEF_LATENCY_VALUE 999 #define BROOKTREE_DEF_LATENCY_VALUE 10 1000 #endif 1001 latency = pci_conf_read(tag, PCI_LATENCY_TIMER); 1002 latency = (latency >> 8) & 0xff; 1003 if ( bootverbose ) { 1004 if (latency) 1005 printf("brooktree%d: PCI bus latency is", unit); 1006 else 1007 printf("brooktree%d: PCI bus latency was 0 changing to", 1008 unit); 1009 } 1010 if ( !latency ) { 1011 latency = BROOKTREE_DEF_LATENCY_VALUE; 1012 pci_conf_write(tag, PCI_LATENCY_TIMER, latency<<8); 1013 } 1014 if ( bootverbose ) { 1015 printf(" %d.\n", (int) latency); 1016 } 1017 1018 1019 /* read the pci device id and revision id */ 1020 fun = pci_conf_read(tag, PCI_ID_REG); 1021 rev = pci_conf_read(tag, PCIR_REVID) & 0x000000ff; 1022 1023 /* call the common attach code */ 1024 common_bktr_attach( bktr, unit, fun, rev ); 1025 1026 } 1027 1028 1029 /* 1030 * Special Memory Allocation 1031 */ 1032 vm_offset_t 1033 get_bktr_mem( int unit, unsigned size ) 1034 { 1035 vm_offset_t addr = 0; 1036 1037 addr = vm_page_alloc_contig(size, 0x100000, 0xffffffff, 1<<24); 1038 if (addr == 0) 1039 addr = vm_page_alloc_contig(size, 0x100000, 0xffffffff, 1040 PAGE_SIZE); 1041 if (addr == 0) { 1042 printf("bktr%d: Unable to allocate %d bytes of memory.\n", 1043 unit, size); 1044 } 1045 1046 return( addr ); 1047 } 1048 1049 /*--------------------------------------------------------- 1050 ** 1051 ** BrookTree 848 character device driver routines 1052 ** 1053 **--------------------------------------------------------- 1054 */ 1055 1056 1057 #define VIDEO_DEV 0x00 1058 #define TUNER_DEV 0x01 1059 #define VBI_DEV 0x02 1060 1061 #define UNIT(x) ((x) & 0x0f) 1062 #define FUNCTION(x) ((x >> 4) & 0x0f) 1063 1064 1065 /* 1066 * 1067 */ 1068 int 1069 bktr_open( dev_t dev, int flags, int fmt, struct proc *p ) 1070 { 1071 bktr_ptr_t bktr; 1072 int unit; 1073 1074 unit = UNIT( minor(dev) ); 1075 if (unit >= NBKTR) /* unit out of range */ 1076 return( ENXIO ); 1077 1078 bktr = &(brooktree[ unit ]); 1079 1080 if (!(bktr->flags & METEOR_INITIALIZED)) /* device not found */ 1081 return( ENXIO ); 1082 1083 1084 if (bt848_card != -1) { 1085 if ((bt848_card >> 8 == unit ) && 1086 ( (bt848_card & 0xff) < Bt848_MAX_CARD )) { 1087 if ( bktr->bt848_card != (bt848_card & 0xff) ) { 1088 bktr->bt848_card = (bt848_card & 0xff); 1089 probeCard(bktr, FALSE, unit); 1090 } 1091 } 1092 } 1093 1094 if (bt848_tuner != -1) { 1095 if ((bt848_tuner >> 8 == unit ) && 1096 ( (bt848_tuner & 0xff) < Bt848_MAX_TUNER )) { 1097 if ( bktr->bt848_tuner != (bt848_tuner & 0xff) ) { 1098 bktr->bt848_tuner = (bt848_tuner & 0xff); 1099 probeCard(bktr, FALSE, unit); 1100 } 1101 } 1102 } 1103 1104 if (bt848_reverse_mute != -1) { 1105 if ((bt848_reverse_mute >> 8) == unit ) { 1106 bktr->reverse_mute = bt848_reverse_mute & 0xff; 1107 } 1108 } 1109 1110 if (bt848_slow_msp_audio != -1) { 1111 if ((bt848_slow_msp_audio >> 8) == unit ) { 1112 bktr->slow_msp_audio = (bt848_slow_msp_audio & 0xff); 1113 } 1114 } 1115 1116 switch ( FUNCTION( minor(dev) ) ) { 1117 case VIDEO_DEV: 1118 return( video_open( bktr ) ); 1119 case TUNER_DEV: 1120 return( tuner_open( bktr ) ); 1121 case VBI_DEV: 1122 return( vbi_open( bktr ) ); 1123 } 1124 return( ENXIO ); 1125 } 1126 1127 1128 /* 1129 * 1130 */ 1131 int 1132 bktr_close( dev_t dev, int flags, int fmt, struct proc *p ) 1133 { 1134 bktr_ptr_t bktr; 1135 int unit; 1136 1137 unit = UNIT( minor(dev) ); 1138 if (unit >= NBKTR) /* unit out of range */ 1139 return( ENXIO ); 1140 1141 bktr = &(brooktree[ unit ]); 1142 1143 switch ( FUNCTION( minor(dev) ) ) { 1144 case VIDEO_DEV: 1145 return( video_close( bktr ) ); 1146 case TUNER_DEV: 1147 return( tuner_close( bktr ) ); 1148 case VBI_DEV: 1149 return( vbi_close( bktr ) ); 1150 } 1151 1152 return( ENXIO ); 1153 } 1154 1155 /* 1156 * 1157 */ 1158 int 1159 bktr_read( dev_t dev, struct uio *uio, int ioflag ) 1160 { 1161 bktr_ptr_t bktr; 1162 int unit; 1163 1164 unit = UNIT(minor(dev)); 1165 if (unit >= NBKTR) /* unit out of range */ 1166 return( ENXIO ); 1167 1168 bktr = &(brooktree[unit]); 1169 1170 switch ( FUNCTION( minor(dev) ) ) { 1171 case VIDEO_DEV: 1172 return( video_read( bktr, unit, dev, uio ) ); 1173 case VBI_DEV: 1174 return( vbi_read( bktr, uio, ioflag ) ); 1175 } 1176 return( ENXIO ); 1177 } 1178 1179 1180 /* 1181 * 1182 */ 1183 int 1184 bktr_write( dev_t dev, struct uio *uio, int ioflag ) 1185 { 1186 return( EINVAL ); /* XXX or ENXIO ? */ 1187 } 1188 1189 /* 1190 * 1191 */ 1192 int 1193 bktr_ioctl( dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct proc* pr ) 1194 { 1195 bktr_ptr_t bktr; 1196 int unit; 1197 1198 unit = UNIT(minor(dev)); 1199 if (unit >= NBKTR) /* unit out of range */ 1200 return( ENXIO ); 1201 1202 bktr = &(brooktree[ unit ]); 1203 1204 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 1205 return( ENOMEM ); 1206 1207 switch ( FUNCTION( minor(dev) ) ) { 1208 case VIDEO_DEV: 1209 return( video_ioctl( bktr, unit, cmd, arg, pr ) ); 1210 case TUNER_DEV: 1211 return( tuner_ioctl( bktr, unit, cmd, arg, pr ) ); 1212 } 1213 1214 return( ENXIO ); 1215 } 1216 1217 /* 1218 * bktr_mmap. 1219 * Note: 2.2.5/2.2.6/2.2.7/3.0 users must manually 1220 * edit the line below and change "vm_offset_t" to "int" 1221 */ 1222 int bktr_mmap( dev_t dev, vm_offset_t offset, int nprot ) 1223 1224 { 1225 int unit; 1226 bktr_ptr_t bktr; 1227 1228 unit = UNIT(minor(dev)); 1229 1230 if (unit >= NBKTR || FUNCTION(minor(dev)) > 0) 1231 return( -1 ); 1232 1233 bktr = &(brooktree[ unit ]); 1234 1235 if (nprot & PROT_EXEC) 1236 return( -1 ); 1237 1238 if (offset < 0) 1239 return( -1 ); 1240 1241 if (offset >= bktr->alloc_pages * PAGE_SIZE) 1242 return( -1 ); 1243 1244 return( i386_btop(vtophys(bktr->bigbuf) + offset) ); 1245 } 1246 1247 int bktr_poll( dev_t dev, int events, struct proc *p) 1248 { 1249 int unit; 1250 bktr_ptr_t bktr; 1251 int revents = 0; 1252 1253 unit = UNIT(minor(dev)); 1254 1255 if (unit >= NBKTR) 1256 return( -1 ); 1257 1258 bktr = &(brooktree[ unit ]); 1259 1260 disable_intr(); 1261 1262 if (events & (POLLIN | POLLRDNORM)) { 1263 1264 switch ( FUNCTION( minor(dev) ) ) { 1265 case VBI_DEV: 1266 if(bktr->vbisize == 0) 1267 selrecord(p, &bktr->vbi_select); 1268 else 1269 revents |= events & (POLLIN | POLLRDNORM); 1270 break; 1271 } 1272 } 1273 1274 enable_intr(); 1275 1276 return (revents); 1277 } 1278 1279 1280 #endif /* FreeBSD 2.2.x and 3.x specific kernel interface routines */ 1281 1282 1283 /*****************/ 1284 /* *** BSDI *** */ 1285 /*****************/ 1286 1287 #if defined(__bsdi__) 1288 #endif /* __bsdi__ BSDI specific kernel interface routines */ 1289 1290 1291 /*****************************/ 1292 /* *** OpenBSD / NetBSD *** */ 1293 /*****************************/ 1294 #if defined(__NetBSD__) || defined(__OpenBSD__) 1295 1296 #define IPL_VIDEO IPL_BIO /* XXX */ 1297 1298 static int bktr_intr(void *arg) { return common_bktr_intr(arg); } 1299 1300 #define bktr_open bktropen 1301 #define bktr_close bktrclose 1302 #define bktr_read bktrread 1303 #define bktr_write bktrwrite 1304 #define bktr_ioctl bktrioctl 1305 #define bktr_mmap bktrmmap 1306 1307 #if defined(__OpenBSD__) 1308 static int bktr_probe __P((struct device *, void *, void *)); 1309 #else 1310 static int bktr_probe __P((struct device *, struct cfdata *, void *)); 1311 #endif 1312 static void bktr_attach __P((struct device *, struct device *, void *)); 1313 1314 struct cfattach bktr_ca = { 1315 sizeof(struct bktr_softc), bktr_probe, bktr_attach 1316 }; 1317 1318 #if defined(__NetBSD__) 1319 extern struct cfdriver bktr_cd; 1320 #else 1321 struct cfdriver bktr_cd = { 1322 NULL, "bktr", DV_DULL 1323 }; 1324 #endif 1325 1326 1327 /* for radio(4) */ 1328 int bktr_get_info(void *, struct radio_info *); 1329 int bktr_set_info(void *, struct radio_info *); 1330 1331 struct radio_hw_if bktr_hw_if = { 1332 NULL, /* open */ 1333 NULL, /* close */ 1334 bktr_get_info, 1335 bktr_set_info, 1336 NULL /* search */ 1337 }; 1338 1339 int 1340 bktr_probe(parent, match, aux) 1341 struct device *parent; 1342 #if defined(__OpenBSD__) 1343 void *match; 1344 #else 1345 struct cfdata *match; 1346 #endif 1347 void *aux; 1348 { 1349 struct pci_attach_args *pa = aux; 1350 1351 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_BROOKTREE && 1352 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT848 || 1353 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT849 || 1354 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT878 || 1355 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT879)) 1356 return 1; 1357 1358 return 0; 1359 } 1360 1361 1362 /* 1363 * the attach routine. 1364 */ 1365 static void 1366 bktr_attach(struct device *parent, struct device *self, void *aux) 1367 { 1368 bktr_ptr_t bktr; 1369 u_long latency; 1370 u_long fun; 1371 unsigned int rev; 1372 1373 #if defined(__OpenBSD__) 1374 struct pci_attach_args *pa = aux; 1375 pci_chipset_tag_t pc = pa->pa_pc; 1376 1377 pci_intr_handle_t ih; 1378 const char *intrstr; 1379 int retval; 1380 int unit; 1381 1382 bktr = (bktr_ptr_t)self; 1383 unit = bktr->bktr_dev.dv_unit; 1384 1385 bktr->pc = pa->pa_pc; 1386 bktr->tag = pa->pa_tag; 1387 bktr->dmat = pa->pa_dmat; 1388 1389 /* 1390 * map memory 1391 */ 1392 bktr->memt = pa->pa_memt; 1393 retval = pci_mem_find(pc, pa->pa_tag, PCI_MAPREG_START, 1394 &bktr->phys_base, &bktr->obmemsz, NULL); 1395 if (!retval) 1396 retval = bus_space_map(pa->pa_memt, bktr->phys_base, 1397 bktr->obmemsz, 0, &bktr->memh); 1398 if (retval) { 1399 printf(": couldn't map memory\n"); 1400 return; 1401 } 1402 1403 1404 /* 1405 * map interrupt 1406 */ 1407 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 1408 pa->pa_intrline, &ih)) { 1409 printf(": couldn't map interrupt\n"); 1410 return; 1411 } 1412 intrstr = pci_intr_string(pa->pa_pc, ih); 1413 1414 bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO, 1415 bktr_intr, bktr, bktr->bktr_dev.dv_xname); 1416 if (bktr->ih == NULL) { 1417 printf(": couldn't establish interrupt"); 1418 if (intrstr != NULL) 1419 printf(" at %s", intrstr); 1420 printf("\n"); 1421 return; 1422 } 1423 1424 if (intrstr != NULL) 1425 printf(": %s\n", intrstr); 1426 #endif /* __OpenBSD__ */ 1427 1428 #if defined(__NetBSD__) 1429 struct pci_attach_args *pa = aux; 1430 pci_intr_handle_t ih; 1431 const char *intrstr; 1432 int retval; 1433 int unit; 1434 1435 bktr = (bktr_ptr_t)self; 1436 unit = bktr->bktr_dev.dv_unit; 1437 bktr->dmat = pa->pa_dmat; 1438 1439 printf("\n"); 1440 1441 /* 1442 * map memory 1443 */ 1444 retval = pci_mapreg_map(pa, PCI_MAPREG_START, 1445 PCI_MAPREG_TYPE_MEM 1446 | PCI_MAPREG_MEM_TYPE_32BIT, 0, 1447 &bktr->memt, &bktr->memh, NULL, 1448 &bktr->obmemsz); 1449 DPR(("pci_mapreg_map: memt %lx, memh %x, size %x\n", 1450 (long unsigned)bktr->memt, (u_int)bktr->memh, 1451 (u_int)bktr->obmemsz)); 1452 if (retval) { 1453 printf("%s: couldn't map memory\n", bktr_name(bktr)); 1454 return; 1455 } 1456 1457 /* 1458 * Disable the brooktree device 1459 */ 1460 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 1461 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 1462 1463 /* 1464 * map interrupt 1465 */ 1466 if (pci_intr_map(pa, &ih)) { 1467 printf("%s: couldn't map interrupt\n", 1468 bktr_name(bktr)); 1469 return; 1470 } 1471 intrstr = pci_intr_string(pa->pa_pc, ih); 1472 bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO, 1473 bktr_intr, bktr); 1474 if (bktr->ih == NULL) { 1475 printf("%s: couldn't establish interrupt", 1476 bktr_name(bktr)); 1477 if (intrstr != NULL) 1478 printf(" at %s", intrstr); 1479 printf("\n"); 1480 return; 1481 } 1482 if (intrstr != NULL) 1483 printf("%s: interrupting at %s\n", bktr_name(bktr), 1484 intrstr); 1485 #endif /* __NetBSD__ */ 1486 1487 /* 1488 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 1489 * you have more than four, then 16 would probably be a better value. 1490 */ 1491 #ifndef BROOKTREE_DEF_LATENCY_VALUE 1492 #define BROOKTREE_DEF_LATENCY_VALUE 10 1493 #endif 1494 latency = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_LATENCY_TIMER); 1495 latency = (latency >> 8) & 0xff; 1496 1497 if (!latency) { 1498 if (bootverbose) { 1499 printf("%s: PCI bus latency was 0 changing to %d", 1500 bktr_name(bktr), BROOKTREE_DEF_LATENCY_VALUE); 1501 } 1502 latency = BROOKTREE_DEF_LATENCY_VALUE; 1503 pci_conf_write(pa->pa_pc, pa->pa_tag, 1504 PCI_LATENCY_TIMER, latency<<8); 1505 } 1506 1507 1508 /* Enabled Bus Master 1509 XXX: check if all old DMA is stopped first (e.g. after warm 1510 boot) */ 1511 fun = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 1512 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 1513 fun | PCI_COMMAND_MASTER_ENABLE); 1514 1515 /* read the pci id and determine the card type */ 1516 fun = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ID_REG); 1517 rev = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG) & 0x000000ff; 1518 1519 common_bktr_attach(bktr, unit, fun, rev); 1520 1521 /* attach to radio(4) */ 1522 radio_attach_mi(&bktr_hw_if, bktr, &bktr->bktr_dev); 1523 } 1524 1525 1526 /* 1527 * Special Memory Allocation 1528 */ 1529 #if defined (__NetBSD__) 1530 vaddr_t 1531 #else 1532 vm_offset_t 1533 #endif 1534 get_bktr_mem(bktr, dmapp, size) 1535 bktr_ptr_t bktr; 1536 bus_dmamap_t *dmapp; 1537 unsigned int size; 1538 { 1539 bus_dma_tag_t dmat = bktr->dmat; 1540 bus_dma_segment_t seg; 1541 bus_size_t align; 1542 int rseg; 1543 caddr_t kva; 1544 1545 /* 1546 * Allocate a DMA area 1547 */ 1548 align = 1 << 24; 1549 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, 1550 &rseg, BUS_DMA_NOWAIT)) { 1551 align = PAGE_SIZE; 1552 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, 1553 &rseg, BUS_DMA_NOWAIT)) { 1554 printf("%s: Unable to dmamem_alloc of %d bytes\n", 1555 bktr_name(bktr), size); 1556 return 0; 1557 } 1558 } 1559 if (bus_dmamem_map(dmat, &seg, rseg, size, 1560 &kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) { 1561 printf("%s: Unable to dmamem_map of %d bytes\n", 1562 bktr_name(bktr), size); 1563 bus_dmamem_free(dmat, &seg, rseg); 1564 return 0; 1565 } 1566 #ifdef __OpenBSD__ 1567 bktr->dm_mapsize = size; 1568 #endif 1569 /* 1570 * Create and locd the DMA map for the DMA area 1571 */ 1572 if (bus_dmamap_create(dmat, size, 1, size, 0, BUS_DMA_NOWAIT, dmapp)) { 1573 printf("%s: Unable to dmamap_create of %d bytes\n", 1574 bktr_name(bktr), size); 1575 bus_dmamem_unmap(dmat, kva, size); 1576 bus_dmamem_free(dmat, &seg, rseg); 1577 return 0; 1578 } 1579 if (bus_dmamap_load(dmat, *dmapp, kva, size, NULL, BUS_DMA_NOWAIT)) { 1580 printf("%s: Unable to dmamap_load of %d bytes\n", 1581 bktr_name(bktr), size); 1582 bus_dmamem_unmap(dmat, kva, size); 1583 bus_dmamem_free(dmat, &seg, rseg); 1584 bus_dmamap_destroy(dmat, *dmapp); 1585 return 0; 1586 } 1587 #if defined(__NetBSD__) 1588 return (vaddr_t)kva; 1589 #else 1590 return (vm_offset_t)kva; 1591 #endif 1592 } 1593 1594 void 1595 free_bktr_mem(bktr, dmap, kva) 1596 bktr_ptr_t bktr; 1597 bus_dmamap_t dmap; 1598 #if defined(__NetBSD__) 1599 vaddr_t kva; 1600 #else 1601 vm_offset_t kva; 1602 #endif 1603 { 1604 bus_dma_tag_t dmat = bktr->dmat; 1605 1606 #ifdef __NetBSD__ 1607 bus_dmamem_unmap(dmat, (caddr_t)kva, dmap->dm_mapsize); 1608 #else 1609 bus_dmamem_unmap(dmat, (caddr_t)kva, bktr->dm_mapsize); 1610 #endif 1611 bus_dmamem_free(dmat, dmap->dm_segs, 1); 1612 bus_dmamap_destroy(dmat, dmap); 1613 } 1614 1615 1616 /*--------------------------------------------------------- 1617 ** 1618 ** BrookTree 848 character device driver routines 1619 ** 1620 **--------------------------------------------------------- 1621 */ 1622 1623 1624 #define VIDEO_DEV 0x00 1625 #define TUNER_DEV 0x01 1626 #define VBI_DEV 0x02 1627 1628 #define UNIT(x) (minor((x) & 0x0f)) 1629 #define FUNCTION(x) (minor((x >> 4) & 0x0f)) 1630 1631 /* 1632 * 1633 */ 1634 int 1635 bktr_open(dev_t dev, int flags, int fmt, struct proc *p) 1636 { 1637 bktr_ptr_t bktr; 1638 int unit; 1639 1640 unit = UNIT(dev); 1641 1642 /* unit out of range */ 1643 if ((unit >= bktr_cd.cd_ndevs) || (bktr_cd.cd_devs[unit] == NULL)) 1644 return(ENXIO); 1645 1646 bktr = bktr_cd.cd_devs[unit]; 1647 1648 if (!(bktr->flags & METEOR_INITIALIZED)) /* device not found */ 1649 return(ENXIO); 1650 1651 switch (FUNCTION(dev)) { 1652 case VIDEO_DEV: 1653 return(video_open(bktr)); 1654 case TUNER_DEV: 1655 return(tuner_open(bktr)); 1656 case VBI_DEV: 1657 return(vbi_open(bktr)); 1658 } 1659 1660 return(ENXIO); 1661 } 1662 1663 1664 /* 1665 * 1666 */ 1667 int 1668 bktr_close(dev_t dev, int flags, int fmt, struct proc *p) 1669 { 1670 bktr_ptr_t bktr; 1671 int unit; 1672 1673 unit = UNIT(dev); 1674 1675 bktr = bktr_cd.cd_devs[unit]; 1676 1677 switch (FUNCTION(dev)) { 1678 case VIDEO_DEV: 1679 return(video_close(bktr)); 1680 case TUNER_DEV: 1681 return(tuner_close(bktr)); 1682 case VBI_DEV: 1683 return(vbi_close(bktr)); 1684 } 1685 1686 return(ENXIO); 1687 } 1688 1689 /* 1690 * 1691 */ 1692 int 1693 bktr_read(dev_t dev, struct uio *uio, int ioflag) 1694 { 1695 bktr_ptr_t bktr; 1696 int unit; 1697 1698 unit = UNIT(dev); 1699 1700 bktr = bktr_cd.cd_devs[unit]; 1701 1702 switch (FUNCTION(dev)) { 1703 case VIDEO_DEV: 1704 return(video_read(bktr, unit, dev, uio)); 1705 case VBI_DEV: 1706 return(vbi_read(bktr, uio, ioflag)); 1707 } 1708 1709 return(ENXIO); 1710 } 1711 1712 1713 /* 1714 * 1715 */ 1716 int 1717 bktr_write(dev_t dev, struct uio *uio, int ioflag) 1718 { 1719 /* operation not supported */ 1720 return(EOPNOTSUPP); 1721 } 1722 1723 /* 1724 * 1725 */ 1726 int 1727 bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct proc* pr) 1728 { 1729 bktr_ptr_t bktr; 1730 int unit; 1731 1732 unit = UNIT(dev); 1733 1734 bktr = bktr_cd.cd_devs[unit]; 1735 1736 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 1737 return(ENOMEM); 1738 1739 switch (FUNCTION(dev)) { 1740 case VIDEO_DEV: 1741 return(video_ioctl(bktr, unit, cmd, arg, pr)); 1742 case TUNER_DEV: 1743 return(tuner_ioctl(bktr, unit, cmd, arg, pr)); 1744 } 1745 1746 return(ENXIO); 1747 } 1748 1749 /* 1750 * 1751 */ 1752 paddr_t 1753 bktr_mmap(dev_t dev, off_t offset, int nprot) 1754 { 1755 int unit; 1756 bktr_ptr_t bktr; 1757 1758 unit = UNIT(dev); 1759 1760 if (FUNCTION(dev) > 0) /* only allow mmap on /dev/bktr[n] */ 1761 return(-1); 1762 1763 bktr = bktr_cd.cd_devs[unit]; 1764 1765 if ((vaddr_t)offset < 0) 1766 return(-1); 1767 1768 if ((vaddr_t)offset >= bktr->alloc_pages * PAGE_SIZE) 1769 return(-1); 1770 1771 #ifdef __NetBSD__ 1772 return (bus_dmamem_mmap(bktr->dmat, bktr->dm_mem->dm_segs, 1, 1773 (vaddr_t)offset, nprot, BUS_DMA_WAITOK)); 1774 #else 1775 return(i386_btop(vtophys(bktr->bigbuf) + offset)); 1776 #endif 1777 } 1778 1779 int 1780 bktr_set_info(void *v, struct radio_info *ri) 1781 { 1782 struct bktr_softc *sc = v; 1783 u_int32_t freq; 1784 1785 if (ri->mute) { 1786 /* mute the audio stream by switching the mux */ 1787 set_audio(sc, AUDIO_MUTE); 1788 1789 /* disable drivers on the GPIO port that controls the MUXes */ 1790 OUTL(sc, BKTR_GPIO_OUT_EN, INL(sc, BKTR_GPIO_OUT_EN) & 1791 ~sc->card.gpio_mux_bits); 1792 } else { 1793 /* enable drivers on the GPIO port that controls the MUXes */ 1794 OUTL(sc, BKTR_GPIO_OUT_EN, INL(sc, BKTR_GPIO_OUT_EN) | 1795 sc->card.gpio_mux_bits); 1796 1797 /* unmute the audio stream */ 1798 set_audio(sc, AUDIO_UNMUTE); 1799 init_audio_devices(sc); 1800 } 1801 1802 freq = ri->freq / 10; 1803 set_audio(sc, AUDIO_INTERN); /* use internal audio */ 1804 temp_mute(sc, TRUE); 1805 ri->freq = tv_freq(sc, freq, FM_RADIO_FREQUENCY) * 10; 1806 temp_mute(sc, FALSE); 1807 1808 return (0); 1809 } 1810 1811 int 1812 bktr_get_info(void *v, struct radio_info *ri) 1813 { 1814 struct bktr_softc *sc = v; 1815 struct TVTUNER *tv = &sc->tuner; 1816 int status; 1817 1818 status = get_tuner_status(sc); 1819 1820 #define STATUSBIT_STEREO 0x10 1821 ri->mute = (int)sc->audio_mute_state ? 1 : 0; 1822 ri->stereo = (status & STATUSBIT_STEREO) ? 1 : 0; 1823 ri->caps = RADIO_CAPS_DETECT_STEREO | RADIO_CAPS_HW_AFC; 1824 ri->freq = tv->frequency * 10; 1825 ri->info = (status & STATUSBIT_STEREO) ? RADIO_INFO_STEREO : 0; 1826 #undef STATUSBIT_STEREO 1827 1828 /* not yet supported */ 1829 ri->volume = ri->rfreq = ri->lock = 0; 1830 1831 return (0); 1832 } 1833 1834 #endif /* __NetBSD__ || __OpenBSD__ */ 1835
Indexes created Sat Nov 01 05:10:12 GMT 2025