bktr_os.c revision 1.39.6.1
1 /* $SourceForge: bktr_os.c,v 1.5 2003/03/11 23:11:25 thomasklausner Exp $ */ 2 3 /* $NetBSD: bktr_os.c,v 1.39.6.1 2006/04/22 11:39:24 simonb Exp $ */ 4 /* $FreeBSD: src/sys/dev/bktr/bktr_os.c,v 1.20 2000/10/20 08:16:53 roger Exp$ */ 5 6 /* 7 * This is part of the Driver for Video Capture Cards (Frame grabbers) 8 * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879 9 * chipset. 10 * Copyright Roger Hardiman and Amancio Hasty. 11 * 12 * bktr_os : This has all the Operating System dependant code, 13 * probe/attach and open/close/ioctl/read/mmap 14 * memory allocation 15 * PCI bus interfacing 16 * 17 * 18 */ 19 20 /* 21 * 1. Redistributions of source code must retain the 22 * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman 23 * All rights reserved. 24 * 25 * Redistribution and use in source and binary forms, with or without 26 * modification, are permitted provided that the following conditions 27 * are met: 28 * 1. Redistributions of source code must retain the above copyright 29 * notice, this list of conditions and the following disclaimer. 30 * 2. Redistributions in binary form must reproduce the above copyright 31 * notice, this list of conditions and the following disclaimer in the 32 * documentation and/or other materials provided with the distribution. 33 * 3. All advertising materials mentioning features or use of this software 34 * must display the following acknowledgement: 35 * This product includes software developed by Amancio Hasty and 36 * Roger Hardiman 37 * 4. The name of the author may not be used to endorse or promote products 38 * derived from this software without specific prior written permission. 39 * 40 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 41 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 42 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 43 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 44 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 45 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 46 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 49 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 50 * POSSIBILITY OF SUCH DAMAGE. 51 */ 52 53 #include <sys/cdefs.h> 54 __KERNEL_RCSID(0, "$NetBSD: bktr_os.c,v 1.39.6.1 2006/04/22 11:39:24 simonb Exp $"); 55 56 #ifdef __FreeBSD__ 57 #include "bktr.h" 58 #endif /* __FreeBSD__ */ 59 60 #include "opt_bktr.h" /* include any kernel config options */ 61 62 #define FIFO_RISC_DISABLED 0 63 #define ALL_INTS_DISABLED 0 64 65 /*******************/ 66 /* *** FreeBSD *** */ 67 /*******************/ 68 #ifdef __FreeBSD__ 69 70 #include <sys/param.h> 71 #include <sys/systm.h> 72 #include <sys/conf.h> 73 #include <sys/uio.h> 74 #include <sys/kernel.h> 75 #include <sys/signalvar.h> 76 #include <sys/mman.h> 77 #include <sys/poll.h> 78 #include <sys/select.h> 79 #include <sys/vnode.h> 80 81 #include <vm/vm.h> 82 #include <vm/vm_kern.h> 83 #include <vm/pmap.h> 84 #include <vm/vm_extern.h> 85 86 #if (__FreeBSD_version >=400000) || (NSMBUS > 0) 87 #include <sys/bus.h> /* used by smbus and newbus */ 88 #endif 89 90 #if (__FreeBSD_version >=300000) 91 #include <machine/bus_memio.h> /* used by bus space */ 92 #include <machine/bus.h> /* used by bus space and newbus */ 93 #include <sys/bus.h> 94 #endif 95 96 #if (__FreeBSD_version >=400000) 97 #include <sys/rman.h> /* used by newbus */ 98 #include <machine/resource.h> /* used by newbus */ 99 #endif 100 101 #if (__FreeBSD_version < 500000) 102 #include <machine/clock.h> /* for DELAY */ 103 #endif 104 105 #include <pci/pcivar.h> 106 #include <pci/pcireg.h> 107 108 #include <sys/sysctl.h> 109 int bt848_card = -1; 110 int bt848_tuner = -1; 111 int bt848_reverse_mute = -1; 112 int bt848_format = -1; 113 int bt848_slow_msp_audio = -1; 114 115 SYSCTL_NODE(_hw, OID_AUTO, bt848, CTLFLAG_RW, 0, "Bt848 Driver mgmt"); 116 SYSCTL_INT(_hw_bt848, OID_AUTO, card, CTLFLAG_RW, &bt848_card, -1, ""); 117 SYSCTL_INT(_hw_bt848, OID_AUTO, tuner, CTLFLAG_RW, &bt848_tuner, -1, ""); 118 SYSCTL_INT(_hw_bt848, OID_AUTO, reverse_mute, CTLFLAG_RW, &bt848_reverse_mute, -1, ""); 119 SYSCTL_INT(_hw_bt848, OID_AUTO, format, CTLFLAG_RW, &bt848_format, -1, ""); 120 SYSCTL_INT(_hw_bt848, OID_AUTO, slow_msp_audio, CTLFLAG_RW, &bt848_slow_msp_audio, -1, ""); 121 122 #if (__FreeBSD__ == 2) 123 #define PCIR_REVID PCI_CLASS_REG 124 #endif 125 126 #endif /* end freebsd section */ 127 128 129 130 /****************/ 131 /* *** BSDI *** */ 132 /****************/ 133 #ifdef __bsdi__ 134 #endif /* __bsdi__ */ 135 136 137 /**************************/ 138 /* *** OpenBSD/NetBSD *** */ 139 /**************************/ 140 #if defined(__NetBSD__) || defined(__OpenBSD__) 141 142 #include <sys/param.h> 143 #include <sys/systm.h> 144 #include <sys/conf.h> 145 #include <sys/uio.h> 146 #include <sys/kernel.h> 147 #include <sys/signalvar.h> 148 #include <sys/mman.h> 149 #include <sys/poll.h> 150 #include <sys/select.h> 151 #include <sys/vnode.h> 152 153 #ifndef __NetBSD__ 154 #include <vm/vm.h> 155 #include <vm/vm_kern.h> 156 #include <vm/pmap.h> 157 #include <vm/vm_extern.h> 158 #endif 159 160 #include <sys/device.h> 161 #include <dev/pci/pcivar.h> 162 #include <dev/pci/pcireg.h> 163 #include <dev/pci/pcidevs.h> 164 165 #define BKTR_DEBUG 166 #ifdef BKTR_DEBUG 167 int bktr_debug = 0; 168 #define DPR(x) (bktr_debug ? printf x : 0) 169 #else 170 #define DPR(x) 171 #endif 172 #endif /* __NetBSD__ || __OpenBSD__ */ 173 174 #ifdef __NetBSD__ 175 dev_type_open(bktr_open); 176 dev_type_close(bktr_close); 177 dev_type_read(bktr_read); 178 dev_type_write(bktr_write); 179 dev_type_ioctl(bktr_ioctl); 180 dev_type_mmap(bktr_mmap); 181 182 const struct cdevsw bktr_cdevsw = { 183 bktr_open, bktr_close, bktr_read, bktr_write, bktr_ioctl, 184 nostop, notty, nopoll, bktr_mmap, nokqfilter, 185 }; 186 #endif /* __NetBSD __ */ 187 188 #ifdef __NetBSD__ 189 #include <dev/ic/bt8xx.h> /* NetBSD location for .h files */ 190 #include <dev/pci/bktr/bktr_reg.h> 191 #include <dev/pci/bktr/bktr_tuner.h> 192 #include <dev/pci/bktr/bktr_card.h> 193 #include <dev/pci/bktr/bktr_audio.h> 194 #include <dev/pci/bktr/bktr_core.h> 195 #include <dev/pci/bktr/bktr_os.h> 196 #else /* Traditional location for .h files */ 197 #include <machine/ioctl_meteor.h> 198 #include <machine/ioctl_bt848.h> /* extensions to ioctl_meteor.h */ 199 #include <dev/bktr/bktr_reg.h> 200 #include <dev/bktr/bktr_tuner.h> 201 #include <dev/bktr/bktr_card.h> 202 #include <dev/bktr/bktr_audio.h> 203 #include <dev/bktr/bktr_core.h> 204 #include <dev/bktr/bktr_os.h> 205 #if defined(BKTR_USE_FREEBSD_SMBUS) 206 #include <dev/bktr/bktr_i2c.h> 207 #endif 208 #endif 209 210 /* Support for radio(4) under NetBSD */ 211 #ifdef __NetBSD__ 212 #include "radio.h" 213 #if NRADIO > 0 214 #include <sys/radioio.h> 215 #include <dev/radio_if.h> 216 #endif 217 #else 218 #define NRADIO 0 219 #endif 220 221 /****************************/ 222 /* *** FreeBSD 4.x code *** */ 223 /****************************/ 224 #if (__FreeBSD_version >= 400000) 225 226 static int bktr_probe(device_t dev); 227 static int bktr_attach(device_t dev); 228 static int bktr_detach(device_t dev); 229 static int bktr_shutdown(device_t dev); 230 static void bktr_intr(void *arg) { common_bktr_intr(arg); } 231 232 static device_method_t bktr_methods[] = { 233 /* Device interface */ 234 DEVMETHOD(device_probe, bktr_probe), 235 DEVMETHOD(device_attach, bktr_attach), 236 DEVMETHOD(device_detach, bktr_detach), 237 DEVMETHOD(device_shutdown, bktr_shutdown), 238 239 { 0, 0 } 240 }; 241 242 static driver_t bktr_driver = { 243 "bktr", 244 bktr_methods, 245 sizeof(struct bktr_softc), 246 }; 247 248 static devclass_t bktr_devclass; 249 250 static d_open_t bktr_open; 251 static d_close_t bktr_close; 252 static d_read_t bktr_read; 253 static d_write_t bktr_write; 254 static d_ioctl_t bktr_ioctl; 255 static d_mmap_t bktr_mmap; 256 static d_poll_t bktr_poll; 257 258 #define CDEV_MAJOR 92 259 static struct cdevsw bktr_cdevsw = { 260 /* open */ bktr_open, 261 /* close */ bktr_close, 262 /* read */ bktr_read, 263 /* write */ bktr_write, 264 /* ioctl */ bktr_ioctl, 265 /* poll */ bktr_poll, 266 /* mmap */ bktr_mmap, 267 /* strategy */ nostrategy, 268 /* name */ "bktr", 269 /* maj */ CDEV_MAJOR, 270 /* dump */ nodump, 271 /* psize */ nopsize, 272 /* flags */ 0, 273 /* bmaj */ -1 274 }; 275 276 DRIVER_MODULE(bktr, pci, bktr_driver, bktr_devclass, 0, 0); 277 #if (__FreeBSD_version > 410000) 278 MODULE_DEPEND(bktr, bktr_mem, 1,1,1); 279 MODULE_VERSION(bktr, 1); 280 #endif 281 282 283 /* 284 * the boot time probe routine. 285 */ 286 static int 287 bktr_probe(device_t dev) 288 { 289 unsigned int type = pci_get_devid(dev); 290 unsigned int rev = pci_get_revid(dev); 291 292 if (PCI_VENDOR(type) == PCI_VENDOR_BROOKTREE) 293 { 294 switch (PCI_PRODUCT(type)) { 295 case PCI_PRODUCT_BROOKTREE_BT848: 296 if (rev == 0x12) 297 device_set_desc(dev, "BrookTree 848A"); 298 else 299 device_set_desc(dev, "BrookTree 848"); 300 return 0; 301 case PCI_PRODUCT_BROOKTREE_BT849: 302 device_set_desc(dev, "BrookTree 849A"); 303 return 0; 304 case PCI_PRODUCT_BROOKTREE_BT878: 305 device_set_desc(dev, "BrookTree 878"); 306 return 0; 307 case PCI_PRODUCT_BROOKTREE_BT879: 308 device_set_desc(dev, "BrookTree 879"); 309 return 0; 310 } 311 } 312 313 return ENXIO; 314 } 315 316 317 /* 318 * the attach routine. 319 */ 320 static int 321 bktr_attach(device_t dev) 322 { 323 u_long latency; 324 u_long fun; 325 u_long val; 326 unsigned int rev; 327 unsigned int unit; 328 int error = 0; 329 #ifdef BROOKTREE_IRQ 330 u_long old_irq, new_irq; 331 #endif 332 333 struct bktr_softc *bktr = device_get_softc(dev); 334 335 unit = device_get_unit(dev); 336 337 /* build the device name for bktr_name() */ 338 snprintf(bktr->bktr_xname, sizeof(bktr->bktr_xname), "bktr%d",unit); 339 340 /* 341 * Enable bus mastering and Memory Mapped device 342 */ 343 val = pci_read_config(dev, PCIR_COMMAND, 4); 344 val |= (PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN); 345 pci_write_config(dev, PCIR_COMMAND, val, 4); 346 347 /* 348 * Map control/status registers. 349 */ 350 bktr->mem_rid = PCIR_MAPS; 351 bktr->res_mem = bus_alloc_resource(dev, SYS_RES_MEMORY, &bktr->mem_rid, 352 0, ~0, 1, RF_ACTIVE); 353 354 355 if (!bktr->res_mem) { 356 device_printf(dev, "could not map memory\n"); 357 error = ENXIO; 358 goto fail; 359 } 360 bktr->memt = rman_get_bustag(bktr->res_mem); 361 bktr->memh = rman_get_bushandle(bktr->res_mem); 362 363 364 /* 365 * Disable the brooktree device 366 */ 367 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 368 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 369 370 371 #ifdef BROOKTREE_IRQ /* from the configuration file */ 372 old_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 373 pci_conf_write(tag, PCI_INTERRUPT_REG, BROOKTREE_IRQ); 374 new_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 375 printf("bktr%d: attach: irq changed from %d to %d\n", 376 unit, (old_irq & 0xff), (new_irq & 0xff)); 377 #endif 378 379 /* 380 * Allocate our interrupt. 381 */ 382 bktr->irq_rid = 0; 383 bktr->res_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &bktr->irq_rid, 384 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE); 385 if (bktr->res_irq == NULL) { 386 device_printf(dev, "could not map interrupt\n"); 387 error = ENXIO; 388 goto fail; 389 } 390 391 error = bus_setup_intr(dev, bktr->res_irq, INTR_TYPE_TTY, 392 bktr_intr, bktr, &bktr->res_ih); 393 if (error) { 394 device_printf(dev, "could not setup irq\n"); 395 goto fail; 396 397 } 398 399 400 /* Update the Device Control Register */ 401 /* on Bt878 and Bt879 cards */ 402 fun = pci_read_config(dev, 0x40, 2); 403 fun = fun | 1; /* Enable writes to the sub-system vendor ID */ 404 405 #if defined(BKTR_430_FX_MODE) 406 if (bootverbose) printf("Using 430 FX chipset compatibility mode\n"); 407 fun = fun | 2; /* Enable Intel 430 FX compatibility mode */ 408 #endif 409 410 #if defined(BKTR_SIS_VIA_MODE) 411 if (bootverbose) printf("Using SiS/VIA chipset compatibility mode\n"); 412 fun = fun | 4; /* Enable SiS/VIA compatibility mode (useful for 413 OPTi chipset motherboards too */ 414 #endif 415 pci_write_config(dev, 0x40, fun, 2); 416 417 418 /* XXX call bt848_i2c dependent attach() routine */ 419 #if defined(BKTR_USE_FREEBSD_SMBUS) 420 if (bt848_i2c_attach(unit, bktr, &bktr->i2c_sc)) 421 printf("bktr%d: i2c_attach: can't attach\n", unit); 422 #endif 423 424 425 /* 426 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 427 * you have more than four, then 16 would probably be a better value. 428 */ 429 #ifndef BROOKTREE_DEF_LATENCY_VALUE 430 #define BROOKTREE_DEF_LATENCY_VALUE 10 431 #endif 432 latency = pci_read_config(dev, PCI_LATENCY_TIMER, 4); 433 latency = (latency >> 8) & 0xff; 434 if (bootverbose) { 435 if (latency) 436 printf("brooktree%d: PCI bus latency is", unit); 437 else 438 printf("brooktree%d: PCI bus latency was 0 changing to", 439 unit); 440 } 441 if (!latency) { 442 latency = BROOKTREE_DEF_LATENCY_VALUE; 443 pci_write_config(dev, PCI_LATENCY_TIMER, latency<<8, 4); 444 } 445 if (bootverbose) { 446 printf(" %d.\n", (int) latency); 447 } 448 449 /* read the pci device id and revision id */ 450 fun = pci_get_devid(dev); 451 rev = pci_get_revid(dev); 452 453 /* call the common attach code */ 454 common_bktr_attach(bktr, unit, fun, rev); 455 456 /* make the device entries */ 457 bktr->bktrdev = make_dev(&bktr_cdevsw, unit, 458 0, 0, 0444, "bktr%d", unit); 459 bktr->tunerdev= make_dev(&bktr_cdevsw, unit+16, 460 0, 0, 0444, "tuner%d", unit); 461 bktr->vbidev = make_dev(&bktr_cdevsw, unit+32, 462 0, 0, 0444, "vbi%d" , unit); 463 464 465 /* if this is unit 0 (/dev/bktr0, /dev/tuner0, /dev/vbi0) then make */ 466 /* alias entries to /dev/bktr /dev/tuner and /dev/vbi */ 467 #if (__FreeBSD_version >=500000) 468 if (unit == 0) { 469 bktr->bktrdev_alias = make_dev_alias(bktr->bktrdev, "bktr"); 470 bktr->tunerdev_alias= make_dev_alias(bktr->tunerdev, "tuner"); 471 bktr->vbidev_alias = make_dev_alias(bktr->vbidev, "vbi"); 472 } 473 #endif 474 475 return 0; 476 477 fail: 478 if (bktr->res_irq) 479 bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq); 480 if (bktr->res_mem) 481 bus_release_resource(dev, SYS_RES_IRQ, bktr->mem_rid, bktr->res_mem); 482 return error; 483 484 } 485 486 /* 487 * the detach routine. 488 */ 489 static int 490 bktr_detach(device_t dev) 491 { 492 unsigned int unit; 493 494 struct bktr_softc *bktr = device_get_softc(dev); 495 496 unit = device_get_unit(dev); 497 498 /* Disable the brooktree device */ 499 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 500 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 501 502 /* Note: We do not free memory for RISC programs, grab buffer, vbi buffers */ 503 /* The memory is retained by the bktr_mem module so we can unload and */ 504 /* then reload the main bktr driver module */ 505 506 /* Unregister the /dev/bktrN, tunerN and vbiN devices */ 507 destroy_dev(bktr->vbidev); 508 destroy_dev(bktr->tunerdev); 509 destroy_dev(bktr->bktrdev); 510 511 /* If this is unit 0, then destroy the alias entries too */ 512 #if (__FreeBSD_version >=500000) 513 if (unit == 0) { 514 destroy_dev(bktr->vbidev_alias); 515 destroy_dev(bktr->tunerdev_alias); 516 destroy_dev(bktr->bktrdev_alias); 517 } 518 #endif 519 520 /* 521 * Deallocate resources. 522 */ 523 bus_teardown_intr(dev, bktr->res_irq, bktr->res_ih); 524 bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq); 525 bus_release_resource(dev, SYS_RES_MEMORY, bktr->mem_rid, bktr->res_mem); 526 527 return 0; 528 } 529 530 /* 531 * the shutdown routine. 532 */ 533 static int 534 bktr_shutdown(device_t dev) 535 { 536 struct bktr_softc *bktr = device_get_softc(dev); 537 538 /* Disable the brooktree device */ 539 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 540 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 541 542 return 0; 543 } 544 545 546 /* 547 * Special Memory Allocation 548 */ 549 vm_offset_t 550 get_bktr_mem(int unit, unsigned size) 551 { 552 vm_offset_t addr = 0; 553 554 addr = vm_page_alloc_contig(size, 0, 0xffffffff, 1<<24); 555 if (addr == 0) 556 addr = vm_page_alloc_contig(size, 0, 0xffffffff, PAGE_SIZE); 557 if (addr == 0) { 558 printf("bktr%d: Unable to allocate %d bytes of memory.\n", 559 unit, size); 560 } 561 562 return(addr); 563 } 564 565 566 /*--------------------------------------------------------- 567 ** 568 ** BrookTree 848 character device driver routines 569 ** 570 **--------------------------------------------------------- 571 */ 572 573 #define VIDEO_DEV 0x00 574 #define TUNER_DEV 0x01 575 #define VBI_DEV 0x02 576 577 #define UNIT(x) ((x) & 0x0f) 578 #define FUNCTION(x) (x >> 4) 579 580 /* 581 * 582 */ 583 int 584 bktr_open(dev_t dev, int flags, int fmt, struct lwp *l) 585 { 586 bktr_ptr_t bktr; 587 int unit; 588 int result; 589 590 unit = UNIT(minor(dev)); 591 592 /* Get the device data */ 593 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 594 if (bktr == NULL) { 595 /* the device is no longer valid/functioning */ 596 return (ENXIO); 597 } 598 599 if (!(bktr->flags & METEOR_INITIALIZED)) /* device not found */ 600 return(ENXIO); 601 602 /* Record that the device is now busy */ 603 device_busy(devclass_get_device(bktr_devclass, unit)); 604 605 606 if (bt848_card != -1) { 607 if ((bt848_card >> 8 == unit) && 608 ((bt848_card & 0xff) < Bt848_MAX_CARD)) { 609 if (bktr->bt848_card != (bt848_card & 0xff)) { 610 bktr->bt848_card = (bt848_card & 0xff); 611 probeCard(bktr, FALSE, unit); 612 } 613 } 614 } 615 616 if (bt848_tuner != -1) { 617 if ((bt848_tuner >> 8 == unit) && 618 ((bt848_tuner & 0xff) < Bt848_MAX_TUNER)) { 619 if (bktr->bt848_tuner != (bt848_tuner & 0xff)) { 620 bktr->bt848_tuner = (bt848_tuner & 0xff); 621 probeCard(bktr, FALSE, unit); 622 } 623 } 624 } 625 626 if (bt848_reverse_mute != -1) { 627 if ((bt848_reverse_mute >> 8) == unit) { 628 bktr->reverse_mute = bt848_reverse_mute & 0xff; 629 } 630 } 631 632 if (bt848_slow_msp_audio != -1) { 633 if ((bt848_slow_msp_audio >> 8) == unit) { 634 bktr->slow_msp_audio = (bt848_slow_msp_audio & 0xff); 635 } 636 } 637 638 switch (FUNCTION(minor(dev))) { 639 case VIDEO_DEV: 640 result = video_open(bktr); 641 break; 642 case TUNER_DEV: 643 result = tuner_open(bktr); 644 break; 645 case VBI_DEV: 646 result = vbi_open(bktr); 647 break; 648 default: 649 result = ENXIO; 650 break; 651 } 652 653 /* If there was an error opening the device, undo the busy status */ 654 if (result != 0) 655 device_unbusy(devclass_get_device(bktr_devclass, unit)); 656 return(result); 657 } 658 659 660 /* 661 * 662 */ 663 int 664 bktr_close(dev_t dev, int flags, int fmt, struct lwp *l) 665 { 666 bktr_ptr_t bktr; 667 int unit; 668 int result; 669 670 unit = UNIT(minor(dev)); 671 672 /* Get the device data */ 673 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 674 if (bktr == NULL) { 675 /* the device is no longer valid/functioning */ 676 return (ENXIO); 677 } 678 679 switch (FUNCTION(minor(dev))) { 680 case VIDEO_DEV: 681 result = video_close(bktr); 682 break; 683 case TUNER_DEV: 684 result = tuner_close(bktr); 685 break; 686 case VBI_DEV: 687 result = vbi_close(bktr); 688 break; 689 default: 690 return (ENXIO); 691 break; 692 } 693 694 device_unbusy(devclass_get_device(bktr_devclass, unit)); 695 return(result); 696 } 697 698 699 /* 700 * 701 */ 702 int 703 bktr_read(dev_t dev, struct uio *uio, int ioflag) 704 { 705 bktr_ptr_t bktr; 706 int unit; 707 708 unit = UNIT(minor(dev)); 709 710 /* Get the device data */ 711 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 712 if (bktr == NULL) { 713 /* the device is no longer valid/functioning */ 714 return (ENXIO); 715 } 716 717 switch (FUNCTION(minor(dev))) { 718 case VIDEO_DEV: 719 return(video_read(bktr, unit, dev, uio)); 720 case VBI_DEV: 721 return(vbi_read(bktr, uio, ioflag)); 722 } 723 return(ENXIO); 724 } 725 726 727 /* 728 * 729 */ 730 int 731 bktr_write(dev_t dev, struct uio *uio, int ioflag) 732 { 733 return(EINVAL); /* XXX or ENXIO ? */ 734 } 735 736 737 /* 738 * 739 */ 740 int 741 bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct proc* pr) 742 { 743 bktr_ptr_t bktr; 744 int unit; 745 746 unit = UNIT(minor(dev)); 747 748 /* Get the device data */ 749 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 750 if (bktr == NULL) { 751 /* the device is no longer valid/functioning */ 752 return (ENXIO); 753 } 754 755 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 756 return(ENOMEM); 757 758 switch (FUNCTION(minor(dev))) { 759 case VIDEO_DEV: 760 return(video_ioctl(bktr, unit, cmd, arg, pr)); 761 case TUNER_DEV: 762 return(tuner_ioctl(bktr, unit, cmd, arg, pr)); 763 } 764 765 return(ENXIO); 766 } 767 768 769 /* 770 * 771 */ 772 int 773 bktr_mmap(dev_t dev, vm_offset_t offset, int nprot) 774 { 775 int unit; 776 bktr_ptr_t bktr; 777 778 unit = UNIT(minor(dev)); 779 780 if (FUNCTION(minor(dev)) > 0) /* only allow mmap on /dev/bktr[n] */ 781 return(-1); 782 783 /* Get the device data */ 784 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 785 if (bktr == NULL) { 786 /* the device is no longer valid/functioning */ 787 return (-1); 788 } 789 790 if (nprot & PROT_EXEC) 791 return(-1); 792 793 if (offset < 0) 794 return(-1); 795 796 if (offset >= bktr->alloc_pages * PAGE_SIZE) 797 return(-1); 798 799 return(atop(vtophys(bktr->bigbuf) + offset)); 800 } 801 802 int bktr_poll(dev_t dev, int events, struct lwp *l) 803 { 804 int unit; 805 bktr_ptr_t bktr; 806 int revents = 0; 807 DECLARE_INTR_MASK(s); 808 809 unit = UNIT(minor(dev)); 810 811 /* Get the device data */ 812 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 813 if (bktr == NULL) { 814 /* the device is no longer valid/functioning */ 815 return (ENXIO); 816 } 817 818 DISABLE_INTR(s); 819 820 if (events & (POLLIN | POLLRDNORM)) { 821 822 switch (FUNCTION(minor(dev))) { 823 case VBI_DEV: 824 if(bktr->vbisize == 0) 825 selrecord(p, &bktr->vbi_select); 826 else 827 revents |= events & (POLLIN | POLLRDNORM); 828 break; 829 } 830 } 831 832 ENABLE_INTR(s); 833 834 return (revents); 835 } 836 837 #endif /* FreeBSD 4.x specific kernel interface routines */ 838 839 /**********************************/ 840 /* *** FreeBSD 2.2.x and 3.x *** */ 841 /**********************************/ 842 843 #if ((__FreeBSD__ == 2) || (__FreeBSD__ == 3)) 844 845 static bktr_reg_t brooktree[NBKTR]; 846 847 static const char* bktr_probe(pcici_t tag, pcidi_t type); 848 static void bktr_attach(pcici_t tag, int unit); 849 static void bktr_intr(void *arg) { common_bktr_intr(arg); } 850 851 static u_long bktr_count; 852 853 static struct pci_device bktr_device = { 854 "bktr", 855 bktr_probe, 856 bktr_attach, 857 &bktr_count 858 }; 859 860 DATA_SET (pcidevice_set, bktr_device); 861 862 static d_open_t bktr_open; 863 static d_close_t bktr_close; 864 static d_read_t bktr_read; 865 static d_write_t bktr_write; 866 static d_ioctl_t bktr_ioctl; 867 static d_mmap_t bktr_mmap; 868 static d_poll_t bktr_poll; 869 870 #define CDEV_MAJOR 92 871 static struct cdevsw bktr_cdevsw = 872 { 873 bktr_open, bktr_close, bktr_read, bktr_write, 874 bktr_ioctl, nostop, nullreset, nodevtotty, 875 bktr_poll, bktr_mmap, NULL, "bktr", 876 NULL, -1 877 }; 878 879 static int bktr_devsw_installed; 880 881 static void 882 bktr_drvinit(void *unused) 883 { 884 dev_t dev; 885 886 if (! bktr_devsw_installed) { 887 dev = makedev(CDEV_MAJOR, 0); 888 cdevsw_add(&dev,&bktr_cdevsw, NULL); 889 bktr_devsw_installed = 1; 890 } 891 } 892 893 SYSINIT(bktrdev,SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR,bktr_drvinit,NULL) 894 895 /* 896 * the boot time probe routine. 897 */ 898 static const char* 899 bktr_probe(pcici_t tag, pcidi_t type) 900 { 901 unsigned int rev = pci_conf_read(tag, PCIR_REVID) & 0x000000ff; 902 903 if (PCI_VENDOR(type) == PCI_VENDOR_BROOKTREE) 904 { 905 switch (PCI_PRODUCT(type)) { 906 case PCI_PRODUCT_BROOKTREE_BT848: 907 if (rev == 0x12) return("BrookTree 848A"); 908 else return("BrookTree 848"); 909 case PCI_PRODUCT_BROOKTREE_BT849: 910 return("BrookTree 849A"); 911 case PCI_PRODUCT_BROOKTREE_BT878: 912 return("BrookTree 878"); 913 case PCI_PRODUCT_BROOKTREE_BT879: 914 return("BrookTree 879"); 915 } 916 }; 917 918 return ((char *)0); 919 } 920 921 /* 922 * the attach routine. 923 */ 924 static void 925 bktr_attach(pcici_t tag, int unit) 926 { 927 bktr_ptr_t bktr; 928 u_long latency; 929 u_long fun; 930 unsigned int rev; 931 unsigned long base; 932 #ifdef BROOKTREE_IRQ 933 u_long old_irq, new_irq; 934 #endif 935 936 bktr = &brooktree[unit]; 937 938 if (unit >= NBKTR) { 939 printf("brooktree%d: attach: only %d units configured.\n", 940 unit, NBKTR); 941 printf("brooktree%d: attach: invalid unit number.\n", unit); 942 return; 943 } 944 945 /* build the device name for bktr_name() */ 946 snprintf(bktr->bktr_xname, sizeof(bktr->bktr_xname), "bktr%d",unit); 947 948 /* Enable Memory Mapping */ 949 fun = pci_conf_read(tag, PCI_COMMAND_STATUS_REG); 950 pci_conf_write(tag, PCI_COMMAND_STATUS_REG, fun | 2); 951 952 /* Enable Bus Mastering */ 953 fun = pci_conf_read(tag, PCI_COMMAND_STATUS_REG); 954 pci_conf_write(tag, PCI_COMMAND_STATUS_REG, fun | 4); 955 956 bktr->tag = tag; 957 958 959 /* 960 * Map control/status registers 961 */ 962 pci_map_mem(tag, PCI_MAP_REG_START, (vm_offset_t *) &base, 963 &bktr->phys_base); 964 #if (__FreeBSD_version >= 300000) 965 bktr->memt = I386_BUS_SPACE_MEM; /* XXX should use proper bus space */ 966 bktr->memh = (bus_space_handle_t)base; /* XXX functions here */ 967 #endif 968 969 /* 970 * Disable the brooktree device 971 */ 972 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 973 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 974 975 #ifdef BROOKTREE_IRQ /* from the configuration file */ 976 old_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 977 pci_conf_write(tag, PCI_INTERRUPT_REG, BROOKTREE_IRQ); 978 new_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 979 printf("bktr%d: attach: irq changed from %d to %d\n", 980 unit, (old_irq & 0xff), (new_irq & 0xff)); 981 #endif 982 983 /* 984 * setup the interrupt handling routine 985 */ 986 pci_map_int(tag, bktr_intr, (void*) bktr, &tty_imask); 987 988 989 /* Update the Device Control Register */ 990 /* on Bt878 and Bt879 cards */ 991 fun = pci_conf_read(tag, 0x40); 992 fun = fun | 1; /* Enable writes to the sub-system vendor ID */ 993 994 #if defined(BKTR_430_FX_MODE) 995 if (bootverbose) printf("Using 430 FX chipset compatibility mode\n"); 996 fun = fun | 2; /* Enable Intel 430 FX compatibility mode */ 997 #endif 998 999 #if defined(BKTR_SIS_VIA_MODE) 1000 if (bootverbose) printf("Using SiS/VIA chipset compatibility mode\n"); 1001 fun = fun | 4; /* Enable SiS/VIA compatibility mode (useful for 1002 OPTi chipset motherboards too */ 1003 #endif 1004 pci_conf_write(tag, 0x40, fun); 1005 1006 1007 /* XXX call bt848_i2c dependent attach() routine */ 1008 #if defined(BKTR_USE_FREEBSD_SMBUS) 1009 if (bt848_i2c_attach(unit, bktr, &bktr->i2c_sc)) 1010 printf("bktr%d: i2c_attach: can't attach\n", unit); 1011 #endif 1012 1013 1014 /* 1015 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 1016 * you have more than four, then 16 would probably be a better value. 1017 */ 1018 #ifndef BROOKTREE_DEF_LATENCY_VALUE 1019 #define BROOKTREE_DEF_LATENCY_VALUE 10 1020 #endif 1021 latency = pci_conf_read(tag, PCI_LATENCY_TIMER); 1022 latency = (latency >> 8) & 0xff; 1023 if (bootverbose) { 1024 if (latency) 1025 printf("brooktree%d: PCI bus latency is", unit); 1026 else 1027 printf("brooktree%d: PCI bus latency was 0 changing to", 1028 unit); 1029 } 1030 if (!latency) { 1031 latency = BROOKTREE_DEF_LATENCY_VALUE; 1032 pci_conf_write(tag, PCI_LATENCY_TIMER, latency<<8); 1033 } 1034 if (bootverbose) { 1035 printf(" %d.\n", (int) latency); 1036 } 1037 1038 1039 /* read the pci device id and revision id */ 1040 fun = pci_conf_read(tag, PCI_ID_REG); 1041 rev = pci_conf_read(tag, PCIR_REVID) & 0x000000ff; 1042 1043 /* call the common attach code */ 1044 common_bktr_attach(bktr, unit, fun, rev); 1045 1046 } 1047 1048 1049 /* 1050 * Special Memory Allocation 1051 */ 1052 vm_offset_t 1053 get_bktr_mem(int unit, unsigned size) 1054 { 1055 vm_offset_t addr = 0; 1056 1057 addr = vm_page_alloc_contig(size, 0x100000, 0xffffffff, 1<<24); 1058 if (addr == 0) 1059 addr = vm_page_alloc_contig(size, 0x100000, 0xffffffff, 1060 PAGE_SIZE); 1061 if (addr == 0) { 1062 printf("bktr%d: Unable to allocate %d bytes of memory.\n", 1063 unit, size); 1064 } 1065 1066 return(addr); 1067 } 1068 1069 /*--------------------------------------------------------- 1070 ** 1071 ** BrookTree 848 character device driver routines 1072 ** 1073 **--------------------------------------------------------- 1074 */ 1075 1076 1077 #define VIDEO_DEV 0x00 1078 #define TUNER_DEV 0x01 1079 #define VBI_DEV 0x02 1080 1081 #define UNIT(x) ((x) & 0x0f) 1082 #define FUNCTION(x) ((x >> 4) & 0x0f) 1083 1084 1085 /* 1086 * 1087 */ 1088 int 1089 bktr_open(dev_t dev, int flags, int fmt, struct lwp *l) 1090 { 1091 bktr_ptr_t bktr; 1092 int unit; 1093 1094 unit = UNIT(minor(dev)); 1095 if (unit >= NBKTR) /* unit out of range */ 1096 return(ENXIO); 1097 1098 bktr = &(brooktree[unit]); 1099 1100 if (!(bktr->flags & METEOR_INITIALIZED)) /* device not found */ 1101 return(ENXIO); 1102 1103 1104 if (bt848_card != -1) { 1105 if ((bt848_card >> 8 == unit) && 1106 ((bt848_card & 0xff) < Bt848_MAX_CARD)) { 1107 if (bktr->bt848_card != (bt848_card & 0xff)) { 1108 bktr->bt848_card = (bt848_card & 0xff); 1109 probeCard(bktr, FALSE, unit); 1110 } 1111 } 1112 } 1113 1114 if (bt848_tuner != -1) { 1115 if ((bt848_tuner >> 8 == unit) && 1116 ((bt848_tuner & 0xff) < Bt848_MAX_TUNER)) { 1117 if (bktr->bt848_tuner != (bt848_tuner & 0xff)) { 1118 bktr->bt848_tuner = (bt848_tuner & 0xff); 1119 probeCard(bktr, FALSE, unit); 1120 } 1121 } 1122 } 1123 1124 if (bt848_reverse_mute != -1) { 1125 if ((bt848_reverse_mute >> 8) == unit) { 1126 bktr->reverse_mute = bt848_reverse_mute & 0xff; 1127 } 1128 } 1129 1130 if (bt848_slow_msp_audio != -1) { 1131 if ((bt848_slow_msp_audio >> 8) == unit) { 1132 bktr->slow_msp_audio = (bt848_slow_msp_audio & 0xff); 1133 } 1134 } 1135 1136 switch (FUNCTION(minor(dev))) { 1137 case VIDEO_DEV: 1138 return(video_open(bktr)); 1139 case TUNER_DEV: 1140 return(tuner_open(bktr)); 1141 case VBI_DEV: 1142 return(vbi_open(bktr)); 1143 } 1144 return(ENXIO); 1145 } 1146 1147 1148 /* 1149 * 1150 */ 1151 int 1152 bktr_close(dev_t dev, int flags, int fmt, struct lwp *l) 1153 { 1154 bktr_ptr_t bktr; 1155 int unit; 1156 1157 unit = UNIT(minor(dev)); 1158 if (unit >= NBKTR) /* unit out of range */ 1159 return(ENXIO); 1160 1161 bktr = &(brooktree[unit]); 1162 1163 switch (FUNCTION(minor(dev))) { 1164 case VIDEO_DEV: 1165 return(video_close(bktr)); 1166 case TUNER_DEV: 1167 return(tuner_close(bktr)); 1168 case VBI_DEV: 1169 return(vbi_close(bktr)); 1170 } 1171 1172 return(ENXIO); 1173 } 1174 1175 /* 1176 * 1177 */ 1178 int 1179 bktr_read(dev_t dev, struct uio *uio, int ioflag) 1180 { 1181 bktr_ptr_t bktr; 1182 int unit; 1183 1184 unit = UNIT(minor(dev)); 1185 if (unit >= NBKTR) /* unit out of range */ 1186 return(ENXIO); 1187 1188 bktr = &(brooktree[unit]); 1189 1190 switch (FUNCTION(minor(dev))) { 1191 case VIDEO_DEV: 1192 return(video_read(bktr, unit, dev, uio)); 1193 case VBI_DEV: 1194 return(vbi_read(bktr, uio, ioflag)); 1195 } 1196 return(ENXIO); 1197 } 1198 1199 1200 /* 1201 * 1202 */ 1203 int 1204 bktr_write(dev_t dev, struct uio *uio, int ioflag) 1205 { 1206 return(EINVAL); /* XXX or ENXIO ? */ 1207 } 1208 1209 /* 1210 * 1211 */ 1212 int 1213 bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct proc* pr) 1214 { 1215 bktr_ptr_t bktr; 1216 int unit; 1217 1218 unit = UNIT(minor(dev)); 1219 if (unit >= NBKTR) /* unit out of range */ 1220 return(ENXIO); 1221 1222 bktr = &(brooktree[unit]); 1223 1224 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 1225 return(ENOMEM); 1226 1227 switch (FUNCTION(minor(dev))) { 1228 case VIDEO_DEV: 1229 return(video_ioctl(bktr, unit, cmd, arg, pr)); 1230 case TUNER_DEV: 1231 return(tuner_ioctl(bktr, unit, cmd, arg, pr)); 1232 } 1233 1234 return(ENXIO); 1235 } 1236 1237 /* 1238 * bktr_mmap. 1239 * Note: 2.2.5/2.2.6/2.2.7/3.0 users must manually 1240 * edit the line below and change "vm_offset_t" to "int" 1241 */ 1242 int bktr_mmap(dev_t dev, vm_offset_t offset, int nprot) 1243 1244 { 1245 int unit; 1246 bktr_ptr_t bktr; 1247 1248 unit = UNIT(minor(dev)); 1249 1250 if (unit >= NBKTR || FUNCTION(minor(dev)) > 0) 1251 return(-1); 1252 1253 bktr = &(brooktree[unit]); 1254 1255 if (nprot & PROT_EXEC) 1256 return(-1); 1257 1258 if (offset < 0) 1259 return(-1); 1260 1261 if (offset >= bktr->alloc_pages * PAGE_SIZE) 1262 return(-1); 1263 1264 return(i386_btop(vtophys(bktr->bigbuf) + offset)); 1265 } 1266 1267 int bktr_poll(dev_t dev, int events, struct lwp *l) 1268 { 1269 int unit; 1270 bktr_ptr_t bktr; 1271 int revents = 0; 1272 1273 unit = UNIT(minor(dev)); 1274 1275 if (unit >= NBKTR) 1276 return(-1); 1277 1278 bktr = &(brooktree[unit]); 1279 1280 disable_intr(); 1281 1282 if (events & (POLLIN | POLLRDNORM)) { 1283 1284 switch (FUNCTION(minor(dev))) { 1285 case VBI_DEV: 1286 if(bktr->vbisize == 0) 1287 selrecord(p, &bktr->vbi_select); 1288 else 1289 revents |= events & (POLLIN | POLLRDNORM); 1290 break; 1291 } 1292 } 1293 1294 enable_intr(); 1295 1296 return (revents); 1297 } 1298 1299 1300 #endif /* FreeBSD 2.2.x and 3.x specific kernel interface routines */ 1301 1302 1303 /*****************/ 1304 /* *** BSDI *** */ 1305 /*****************/ 1306 1307 #if defined(__bsdi__) 1308 #endif /* __bsdi__ BSDI specific kernel interface routines */ 1309 1310 1311 /*****************************/ 1312 /* *** OpenBSD / NetBSD *** */ 1313 /*****************************/ 1314 #if defined(__NetBSD__) || defined(__OpenBSD__) 1315 1316 #define IPL_VIDEO IPL_BIO /* XXX */ 1317 1318 static int bktr_intr(void *arg) { return common_bktr_intr(arg); } 1319 1320 #if defined(__OpenBSD__) 1321 #define bktr_open bktropen 1322 #define bktr_close bktrclose 1323 #define bktr_read bktrread 1324 #define bktr_write bktrwrite 1325 #define bktr_ioctl bktrioctl 1326 #define bktr_mmap bktrmmap 1327 1328 static int bktr_probe(struct device *, void *, void *); 1329 #else 1330 static int bktr_probe(struct device *, struct cfdata *, void *); 1331 #endif 1332 static void bktr_attach(struct device *, struct device *, void *); 1333 1334 CFATTACH_DECL(bktr, sizeof(struct bktr_softc), 1335 bktr_probe, bktr_attach, NULL, NULL); 1336 1337 #if defined(__NetBSD__) 1338 extern struct cfdriver bktr_cd; 1339 #else 1340 struct cfdriver bktr_cd = { 1341 NULL, "bktr", DV_DULL 1342 }; 1343 #endif 1344 1345 1346 #if NRADIO > 0 1347 /* for radio(4) */ 1348 int bktr_get_info(void *, struct radio_info *); 1349 int bktr_set_info(void *, struct radio_info *); 1350 1351 static struct radio_hw_if bktr_hw_if = { 1352 NULL, /* open */ 1353 NULL, /* close */ 1354 bktr_get_info, 1355 bktr_set_info, 1356 NULL /* search */ 1357 }; 1358 #endif 1359 1360 int 1361 bktr_probe(parent, match, aux) 1362 struct device *parent; 1363 #if defined(__OpenBSD__) 1364 void *match; 1365 #else 1366 struct cfdata *match; 1367 #endif 1368 void *aux; 1369 { 1370 struct pci_attach_args *pa = aux; 1371 1372 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_BROOKTREE && 1373 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT848 || 1374 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT849 || 1375 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT878 || 1376 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT879)) 1377 return 1; 1378 1379 return 0; 1380 } 1381 1382 1383 /* 1384 * the attach routine. 1385 */ 1386 static void 1387 bktr_attach(struct device *parent, struct device *self, void *aux) 1388 { 1389 bktr_ptr_t bktr; 1390 u_long latency; 1391 1392 #if defined(__OpenBSD__) 1393 u_long fun; 1394 unsigned int rev; 1395 struct pci_attach_args *pa = aux; 1396 pci_chipset_tag_t pc = pa->pa_pc; 1397 1398 pci_intr_handle_t ih; 1399 const char *intrstr; 1400 int retval; 1401 int unit; 1402 1403 bktr = (bktr_ptr_t)self; 1404 unit = bktr->bktr_dev.dv_unit; 1405 1406 bktr->pc = pa->pa_pc; 1407 bktr->tag = pa->pa_tag; 1408 bktr->dmat = pa->pa_dmat; 1409 1410 /* 1411 * map memory 1412 */ 1413 bktr->memt = pa->pa_memt; 1414 retval = pci_mem_find(pc, pa->pa_tag, PCI_MAPREG_START, 1415 &bktr->phys_base, &bktr->obmemsz, NULL); 1416 if (!retval) 1417 retval = bus_space_map(pa->pa_memt, bktr->phys_base, 1418 bktr->obmemsz, 0, &bktr->memh); 1419 if (retval) { 1420 printf(": couldn't map memory\n"); 1421 return; 1422 } 1423 1424 1425 /* 1426 * map interrupt 1427 */ 1428 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 1429 pa->pa_intrline, &ih)) { 1430 printf(": couldn't map interrupt\n"); 1431 return; 1432 } 1433 intrstr = pci_intr_string(pa->pa_pc, ih); 1434 1435 bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO, 1436 bktr_intr, bktr, bktr->bktr_dev.dv_xname); 1437 if (bktr->ih == NULL) { 1438 printf(": couldn't establish interrupt"); 1439 if (intrstr != NULL) 1440 printf(" at %s", intrstr); 1441 printf("\n"); 1442 return; 1443 } 1444 1445 if (intrstr != NULL) 1446 printf(": %s\n", intrstr); 1447 #endif /* __OpenBSD__ */ 1448 1449 #if defined(__NetBSD__) 1450 struct pci_attach_args *pa = aux; 1451 pci_intr_handle_t ih; 1452 pcireg_t command; 1453 const char *intrstr; 1454 int retval; 1455 int unit; 1456 1457 bktr = (bktr_ptr_t)self; 1458 unit = device_unit(&bktr->bktr_dev); 1459 bktr->dmat = pa->pa_dmat; 1460 1461 printf("\n"); 1462 1463 /* Enable Bus Master 1464 XXX: check if all old DMA is stopped first (e.g. after warm 1465 boot) */ 1466 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 1467 command |= PCI_COMMAND_MASTER_ENABLE; 1468 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command); 1469 1470 /* 1471 * map memory 1472 */ 1473 retval = pci_mapreg_map(pa, PCI_MAPREG_START, 1474 PCI_MAPREG_TYPE_MEM 1475 | PCI_MAPREG_MEM_TYPE_32BIT, 0, 1476 &bktr->memt, &bktr->memh, NULL, 1477 &bktr->obmemsz); 1478 DPR(("pci_mapreg_map: memt %lx, memh %x, size %x\n", 1479 (unsigned long)bktr->memt, (u_int)bktr->memh, 1480 (u_int)bktr->obmemsz)); 1481 if (retval) { 1482 printf("%s: couldn't map memory\n", bktr_name(bktr)); 1483 return; 1484 } 1485 1486 /* 1487 * Disable the brooktree device 1488 */ 1489 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 1490 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 1491 1492 /* 1493 * map interrupt 1494 */ 1495 if (pci_intr_map(pa, &ih)) { 1496 printf("%s: couldn't map interrupt\n", 1497 bktr_name(bktr)); 1498 return; 1499 } 1500 intrstr = pci_intr_string(pa->pa_pc, ih); 1501 bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO, 1502 bktr_intr, bktr); 1503 if (bktr->ih == NULL) { 1504 printf("%s: couldn't establish interrupt", 1505 bktr_name(bktr)); 1506 if (intrstr != NULL) 1507 printf(" at %s", intrstr); 1508 printf("\n"); 1509 return; 1510 } 1511 if (intrstr != NULL) 1512 printf("%s: interrupting at %s\n", bktr_name(bktr), 1513 intrstr); 1514 #endif /* __NetBSD__ */ 1515 1516 /* 1517 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 1518 * you have more than four, then 16 would probably be a better value. 1519 */ 1520 #ifndef BROOKTREE_DEF_LATENCY_VALUE 1521 #define BROOKTREE_DEF_LATENCY_VALUE 0x10 1522 #endif 1523 latency = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_LATENCY_TIMER); 1524 latency = (latency >> 8) & 0xff; 1525 1526 if (!latency) { 1527 if (bootverbose) { 1528 printf("%s: PCI bus latency was 0 changing to %d", 1529 bktr_name(bktr), BROOKTREE_DEF_LATENCY_VALUE); 1530 } 1531 latency = BROOKTREE_DEF_LATENCY_VALUE; 1532 pci_conf_write(pa->pa_pc, pa->pa_tag, 1533 PCI_LATENCY_TIMER, latency<<8); 1534 } 1535 1536 common_bktr_attach(bktr, unit, pa->pa_id, PCI_REVISION(pa->pa_class)); 1537 1538 #if NRADIO > 0 1539 /* attach to radio(4) */ 1540 if (bktr->card.tuner->pllControl[3] != 0x00) 1541 radio_attach_mi(&bktr_hw_if, bktr, &bktr->bktr_dev); 1542 #endif 1543 } 1544 1545 1546 /* 1547 * Special Memory Allocation 1548 */ 1549 #if defined (__NetBSD__) 1550 vaddr_t 1551 #else 1552 vm_offset_t 1553 #endif 1554 get_bktr_mem(bktr, dmapp, size) 1555 bktr_ptr_t bktr; 1556 bus_dmamap_t *dmapp; 1557 unsigned int size; 1558 { 1559 bus_dma_tag_t dmat = bktr->dmat; 1560 bus_dma_segment_t seg; 1561 bus_size_t align; 1562 int rseg; 1563 caddr_t kva; 1564 1565 /* 1566 * Allocate a DMA area 1567 */ 1568 align = 1 << 24; 1569 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, 1570 &rseg, BUS_DMA_NOWAIT)) { 1571 align = PAGE_SIZE; 1572 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, 1573 &rseg, BUS_DMA_NOWAIT)) { 1574 printf("%s: Unable to dmamem_alloc of %d bytes\n", 1575 bktr_name(bktr), size); 1576 return 0; 1577 } 1578 } 1579 if (bus_dmamem_map(dmat, &seg, rseg, size, 1580 &kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) { 1581 printf("%s: Unable to dmamem_map of %d bytes\n", 1582 bktr_name(bktr), size); 1583 bus_dmamem_free(dmat, &seg, rseg); 1584 return 0; 1585 } 1586 #ifdef __OpenBSD__ 1587 bktr->dm_mapsize = size; 1588 #endif 1589 /* 1590 * Create and locd the DMA map for the DMA area 1591 */ 1592 if (bus_dmamap_create(dmat, size, 1, size, 0, BUS_DMA_NOWAIT, dmapp)) { 1593 printf("%s: Unable to dmamap_create of %d bytes\n", 1594 bktr_name(bktr), size); 1595 bus_dmamem_unmap(dmat, kva, size); 1596 bus_dmamem_free(dmat, &seg, rseg); 1597 return 0; 1598 } 1599 if (bus_dmamap_load(dmat, *dmapp, kva, size, NULL, BUS_DMA_NOWAIT)) { 1600 printf("%s: Unable to dmamap_load of %d bytes\n", 1601 bktr_name(bktr), size); 1602 bus_dmamem_unmap(dmat, kva, size); 1603 bus_dmamem_free(dmat, &seg, rseg); 1604 bus_dmamap_destroy(dmat, *dmapp); 1605 return 0; 1606 } 1607 #if defined(__NetBSD__) 1608 return (vaddr_t)kva; 1609 #else 1610 return (vm_offset_t)kva; 1611 #endif 1612 } 1613 1614 void 1615 free_bktr_mem(bktr, dmap, kva) 1616 bktr_ptr_t bktr; 1617 bus_dmamap_t dmap; 1618 #if defined(__NetBSD__) 1619 vaddr_t kva; 1620 #else 1621 vm_offset_t kva; 1622 #endif 1623 { 1624 bus_dma_tag_t dmat = bktr->dmat; 1625 1626 #ifdef __NetBSD__ 1627 bus_dmamem_unmap(dmat, (caddr_t)kva, dmap->dm_mapsize); 1628 #else 1629 bus_dmamem_unmap(dmat, (caddr_t)kva, bktr->dm_mapsize); 1630 #endif 1631 bus_dmamem_free(dmat, dmap->dm_segs, 1); 1632 bus_dmamap_destroy(dmat, dmap); 1633 } 1634 1635 1636 /*--------------------------------------------------------- 1637 ** 1638 ** BrookTree 848 character device driver routines 1639 ** 1640 **--------------------------------------------------------- 1641 */ 1642 1643 1644 #define VIDEO_DEV 0x00 1645 #define TUNER_DEV 0x01 1646 #define VBI_DEV 0x02 1647 1648 #define UNIT(x) (minor((x) & 0x0f)) 1649 #define FUNCTION(x) (minor((x >> 4) & 0x0f)) 1650 1651 /* 1652 * 1653 */ 1654 int 1655 bktr_open(dev_t dev, int flags, int fmt, struct lwp *l) 1656 { 1657 bktr_ptr_t bktr; 1658 int unit; 1659 1660 unit = UNIT(dev); 1661 1662 /* unit out of range */ 1663 if ((unit >= bktr_cd.cd_ndevs) || (bktr_cd.cd_devs[unit] == NULL)) 1664 return(ENXIO); 1665 1666 bktr = bktr_cd.cd_devs[unit]; 1667 1668 if (!(bktr->flags & METEOR_INITIALIZED)) /* device not found */ 1669 return(ENXIO); 1670 1671 switch (FUNCTION(dev)) { 1672 case VIDEO_DEV: 1673 return(video_open(bktr)); 1674 case TUNER_DEV: 1675 return(tuner_open(bktr)); 1676 case VBI_DEV: 1677 return(vbi_open(bktr)); 1678 } 1679 1680 return(ENXIO); 1681 } 1682 1683 1684 /* 1685 * 1686 */ 1687 int 1688 bktr_close(dev_t dev, int flags, int fmt, struct lwp *l) 1689 { 1690 bktr_ptr_t bktr; 1691 int unit; 1692 1693 unit = UNIT(dev); 1694 1695 bktr = bktr_cd.cd_devs[unit]; 1696 1697 switch (FUNCTION(dev)) { 1698 case VIDEO_DEV: 1699 return(video_close(bktr)); 1700 case TUNER_DEV: 1701 return(tuner_close(bktr)); 1702 case VBI_DEV: 1703 return(vbi_close(bktr)); 1704 } 1705 1706 return(ENXIO); 1707 } 1708 1709 /* 1710 * 1711 */ 1712 int 1713 bktr_read(dev_t dev, struct uio *uio, int ioflag) 1714 { 1715 bktr_ptr_t bktr; 1716 int unit; 1717 1718 unit = UNIT(dev); 1719 1720 bktr = bktr_cd.cd_devs[unit]; 1721 1722 switch (FUNCTION(dev)) { 1723 case VIDEO_DEV: 1724 return(video_read(bktr, unit, dev, uio)); 1725 case VBI_DEV: 1726 return(vbi_read(bktr, uio, ioflag)); 1727 } 1728 1729 return(ENXIO); 1730 } 1731 1732 1733 /* 1734 * 1735 */ 1736 int 1737 bktr_write(dev_t dev, struct uio *uio, int ioflag) 1738 { 1739 /* operation not supported */ 1740 return(EOPNOTSUPP); 1741 } 1742 1743 /* 1744 * 1745 */ 1746 int 1747 bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct lwp *l) 1748 { 1749 bktr_ptr_t bktr; 1750 int unit; 1751 1752 unit = UNIT(dev); 1753 1754 bktr = bktr_cd.cd_devs[unit]; 1755 1756 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 1757 return(ENOMEM); 1758 1759 switch (FUNCTION(dev)) { 1760 case VIDEO_DEV: 1761 return(video_ioctl(bktr, unit, cmd, arg, l)); 1762 case TUNER_DEV: 1763 return(tuner_ioctl(bktr, unit, cmd, arg, l)); 1764 } 1765 1766 return(ENXIO); 1767 } 1768 1769 /* 1770 * 1771 */ 1772 paddr_t 1773 bktr_mmap(dev_t dev, off_t offset, int nprot) 1774 { 1775 int unit; 1776 bktr_ptr_t bktr; 1777 1778 unit = UNIT(dev); 1779 1780 if (FUNCTION(dev) > 0) /* only allow mmap on /dev/bktr[n] */ 1781 return(-1); 1782 1783 bktr = bktr_cd.cd_devs[unit]; 1784 1785 if ((vaddr_t)offset < 0) 1786 return(-1); 1787 1788 if ((vaddr_t)offset >= bktr->alloc_pages * PAGE_SIZE) 1789 return(-1); 1790 1791 #ifdef __NetBSD__ 1792 return (bus_dmamem_mmap(bktr->dmat, bktr->dm_mem->dm_segs, 1, 1793 (vaddr_t)offset, nprot, BUS_DMA_WAITOK)); 1794 #else 1795 return(i386_btop(vtophys(bktr->bigbuf) + offset)); 1796 #endif 1797 } 1798 1799 #if NRADIO > 0 1800 int 1801 bktr_set_info(void *v, struct radio_info *ri) 1802 { 1803 struct bktr_softc *sc = v; 1804 u_int32_t freq; 1805 1806 if (ri->mute) { 1807 /* mute the audio stream by switching the mux */ 1808 set_audio(sc, AUDIO_MUTE); 1809 1810 /* disable drivers on the GPIO port that controls the MUXes */ 1811 OUTL(sc, BKTR_GPIO_OUT_EN, INL(sc, BKTR_GPIO_OUT_EN) & 1812 ~sc->card.gpio_mux_bits); 1813 } else { 1814 /* enable drivers on the GPIO port that controls the MUXes */ 1815 OUTL(sc, BKTR_GPIO_OUT_EN, INL(sc, BKTR_GPIO_OUT_EN) | 1816 sc->card.gpio_mux_bits); 1817 1818 /* unmute the audio stream */ 1819 set_audio(sc, AUDIO_UNMUTE); 1820 init_audio_devices(sc); 1821 } 1822 1823 freq = ri->freq / 10; 1824 set_audio(sc, AUDIO_INTERN); /* use internal audio */ 1825 temp_mute(sc, TRUE); 1826 ri->freq = tv_freq(sc, freq, FM_RADIO_FREQUENCY) * 10; 1827 temp_mute(sc, FALSE); 1828 1829 return (0); 1830 } 1831 1832 int 1833 bktr_get_info(void *v, struct radio_info *ri) 1834 { 1835 struct bktr_softc *sc = v; 1836 struct TVTUNER *tv = &sc->tuner; 1837 int status; 1838 1839 status = get_tuner_status(sc); 1840 1841 #define STATUSBIT_STEREO 0x10 1842 ri->mute = (int)sc->audio_mute_state ? 1 : 0; 1843 ri->stereo = (status & STATUSBIT_STEREO) ? 1 : 0; 1844 ri->caps = RADIO_CAPS_DETECT_STEREO | RADIO_CAPS_HW_AFC; 1845 ri->freq = tv->frequency * 10; 1846 ri->info = (status & STATUSBIT_STEREO) ? RADIO_INFO_STEREO : 0; 1847 #undef STATUSBIT_STEREO 1848 1849 /* not yet supported */ 1850 ri->volume = ri->rfreq = ri->lock = 0; 1851 1852 return (0); 1853 } 1854 #endif 1855 1856 1857 1858 #endif /* __NetBSD__ || __OpenBSD__ */ 1859 1860 #if defined(__NetBSD__) 1861 1862 u_int8_t 1863 bktr_INB(struct bktr_softc *bktr, int offset) 1864 { 1865 u_int8_t val = bus_space_read_1(bktr->memt, bktr->memh, offset); 1866 bus_space_barrier(bktr->memt, bktr->memh, offset, 1, 1867 BUS_SPACE_BARRIER_READ); 1868 return val; 1869 } 1870 1871 u_int16_t 1872 bktr_INW(struct bktr_softc *bktr, int offset) 1873 { 1874 u_int16_t val = bus_space_read_2(bktr->memt, bktr->memh, offset); 1875 bus_space_barrier(bktr->memt, bktr->memh, offset, 2, 1876 BUS_SPACE_BARRIER_READ); 1877 return val; 1878 } 1879 1880 u_int32_t 1881 bktr_INL(struct bktr_softc *bktr, int offset) 1882 { 1883 u_int32_t val = bus_space_read_4(bktr->memt, bktr->memh, offset); 1884 bus_space_barrier(bktr->memt, bktr->memh, offset, 4, 1885 BUS_SPACE_BARRIER_READ); 1886 return val; 1887 } 1888 1889 void 1890 bktr_OUTB(struct bktr_softc *bktr, int offset, u_int8_t value) 1891 { 1892 bus_space_write_1(bktr->memt, bktr->memh, offset, value); 1893 bus_space_barrier(bktr->memt, bktr->memh, offset, 1, 1894 BUS_SPACE_BARRIER_WRITE); 1895 } 1896 1897 void 1898 bktr_OUTW(struct bktr_softc *bktr, int offset, u_int16_t value) 1899 { 1900 bus_space_write_2(bktr->memt, bktr->memh, offset, value); 1901 bus_space_barrier(bktr->memt, bktr->memh, offset, 2, 1902 BUS_SPACE_BARRIER_WRITE); 1903 } 1904 1905 void 1906 bktr_OUTL(struct bktr_softc *bktr, int offset, u_int32_t value) 1907 { 1908 bus_space_write_4(bktr->memt, bktr->memh, offset, value); 1909 bus_space_barrier(bktr->memt, bktr->memh, offset, 4, 1910 BUS_SPACE_BARRIER_WRITE); 1911 } 1912 1913 #endif /* __NetBSD__ */ 1914
Indexes created Tue Oct 28 12:10:06 GMT 2025