bktr_os.c revision 1.47.2.1
1 /* $SourceForge: bktr_os.c,v 1.5 2003/03/11 23:11:25 thomasklausner Exp $ */ 2 3 /* $NetBSD: bktr_os.c,v 1.47.2.1 2007/10/25 22:39:23 bouyer 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 1.47.2.1 2007/10/25 22:39:23 bouyer 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 <sys/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, D_OTHER 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 if (common_bktr_attach(bktr, unit, fun, rev) == 0) 455 return; 456 457 /* make the device entries */ 458 bktr->bktrdev = make_dev(&bktr_cdevsw, unit, 459 0, 0, 0444, "bktr%d", unit); 460 bktr->tunerdev= make_dev(&bktr_cdevsw, unit+16, 461 0, 0, 0444, "tuner%d", unit); 462 bktr->vbidev = make_dev(&bktr_cdevsw, unit+32, 463 0, 0, 0444, "vbi%d" , unit); 464 465 466 /* if this is unit 0 (/dev/bktr0, /dev/tuner0, /dev/vbi0) then make */ 467 /* alias entries to /dev/bktr /dev/tuner and /dev/vbi */ 468 #if (__FreeBSD_version >=500000) 469 if (unit == 0) { 470 bktr->bktrdev_alias = make_dev_alias(bktr->bktrdev, "bktr"); 471 bktr->tunerdev_alias= make_dev_alias(bktr->tunerdev, "tuner"); 472 bktr->vbidev_alias = make_dev_alias(bktr->vbidev, "vbi"); 473 } 474 #endif 475 476 return 0; 477 478 fail: 479 if (bktr->res_irq) 480 bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq); 481 if (bktr->res_mem) 482 bus_release_resource(dev, SYS_RES_IRQ, bktr->mem_rid, bktr->res_mem); 483 return error; 484 485 } 486 487 /* 488 * the detach routine. 489 */ 490 static int 491 bktr_detach(device_t dev) 492 { 493 unsigned int unit; 494 495 struct bktr_softc *bktr = device_get_softc(dev); 496 497 unit = device_get_unit(dev); 498 499 /* Disable the brooktree device */ 500 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 501 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 502 503 /* Note: We do not free memory for RISC programs, grab buffer, vbi buffers */ 504 /* The memory is retained by the bktr_mem module so we can unload and */ 505 /* then reload the main bktr driver module */ 506 507 /* Unregister the /dev/bktrN, tunerN and vbiN devices */ 508 destroy_dev(bktr->vbidev); 509 destroy_dev(bktr->tunerdev); 510 destroy_dev(bktr->bktrdev); 511 512 /* If this is unit 0, then destroy the alias entries too */ 513 #if (__FreeBSD_version >=500000) 514 if (unit == 0) { 515 destroy_dev(bktr->vbidev_alias); 516 destroy_dev(bktr->tunerdev_alias); 517 destroy_dev(bktr->bktrdev_alias); 518 } 519 #endif 520 521 /* 522 * Deallocate resources. 523 */ 524 bus_teardown_intr(dev, bktr->res_irq, bktr->res_ih); 525 bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq); 526 bus_release_resource(dev, SYS_RES_MEMORY, bktr->mem_rid, bktr->res_mem); 527 528 return 0; 529 } 530 531 /* 532 * the shutdown routine. 533 */ 534 static int 535 bktr_shutdown(device_t dev) 536 { 537 struct bktr_softc *bktr = device_get_softc(dev); 538 539 /* Disable the brooktree device */ 540 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 541 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 542 543 return 0; 544 } 545 546 547 /* 548 * Special Memory Allocation 549 */ 550 vm_offset_t 551 get_bktr_mem(int unit, unsigned size) 552 { 553 vm_offset_t addr = 0; 554 555 addr = vm_page_alloc_contig(size, 0, 0xffffffff, 1<<24); 556 if (addr == 0) 557 addr = vm_page_alloc_contig(size, 0, 0xffffffff, PAGE_SIZE); 558 if (addr == 0) { 559 printf("bktr%d: Unable to allocate %d bytes of memory.\n", 560 unit, size); 561 } 562 563 return(addr); 564 } 565 566 567 /*--------------------------------------------------------- 568 ** 569 ** BrookTree 848 character device driver routines 570 ** 571 **--------------------------------------------------------- 572 */ 573 574 #define VIDEO_DEV 0x00 575 #define TUNER_DEV 0x01 576 #define VBI_DEV 0x02 577 578 #define UNIT(x) ((x) & 0x0f) 579 #define FUNCTION(x) (x >> 4) 580 581 /* 582 * 583 */ 584 int 585 bktr_open(dev_t dev, int flags, int fmt, struct lwp *l) 586 { 587 bktr_ptr_t bktr; 588 int unit; 589 int result; 590 591 unit = UNIT(minor(dev)); 592 593 /* Get the device data */ 594 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 595 if (bktr == NULL) { 596 /* the device is no longer valid/functioning */ 597 return (ENXIO); 598 } 599 600 if (!(bktr->flags & METEOR_INITIALIZED)) /* device not found */ 601 return(ENXIO); 602 603 /* Record that the device is now busy */ 604 device_busy(devclass_get_device(bktr_devclass, unit)); 605 606 607 if (bt848_card != -1) { 608 if ((bt848_card >> 8 == unit) && 609 ((bt848_card & 0xff) < Bt848_MAX_CARD)) { 610 if (bktr->bt848_card != (bt848_card & 0xff)) { 611 bktr->bt848_card = (bt848_card & 0xff); 612 probeCard(bktr, FALSE, unit); 613 } 614 } 615 } 616 617 if (bt848_tuner != -1) { 618 if ((bt848_tuner >> 8 == unit) && 619 ((bt848_tuner & 0xff) < Bt848_MAX_TUNER)) { 620 if (bktr->bt848_tuner != (bt848_tuner & 0xff)) { 621 bktr->bt848_tuner = (bt848_tuner & 0xff); 622 probeCard(bktr, FALSE, unit); 623 } 624 } 625 } 626 627 if (bt848_reverse_mute != -1) { 628 if ((bt848_reverse_mute >> 8) == unit) { 629 bktr->reverse_mute = bt848_reverse_mute & 0xff; 630 } 631 } 632 633 if (bt848_slow_msp_audio != -1) { 634 if ((bt848_slow_msp_audio >> 8) == unit) { 635 bktr->slow_msp_audio = (bt848_slow_msp_audio & 0xff); 636 } 637 } 638 639 switch (FUNCTION(minor(dev))) { 640 case VIDEO_DEV: 641 result = video_open(bktr); 642 break; 643 case TUNER_DEV: 644 result = tuner_open(bktr); 645 break; 646 case VBI_DEV: 647 result = vbi_open(bktr); 648 break; 649 default: 650 result = ENXIO; 651 break; 652 } 653 654 /* If there was an error opening the device, undo the busy status */ 655 if (result != 0) 656 device_unbusy(devclass_get_device(bktr_devclass, unit)); 657 return(result); 658 } 659 660 661 /* 662 * 663 */ 664 int 665 bktr_close(dev_t dev, int flags, int fmt, struct lwp *l) 666 { 667 bktr_ptr_t bktr; 668 int unit; 669 int result; 670 671 unit = UNIT(minor(dev)); 672 673 /* Get the device data */ 674 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 675 if (bktr == NULL) { 676 /* the device is no longer valid/functioning */ 677 return (ENXIO); 678 } 679 680 switch (FUNCTION(minor(dev))) { 681 case VIDEO_DEV: 682 result = video_close(bktr); 683 break; 684 case TUNER_DEV: 685 result = tuner_close(bktr); 686 break; 687 case VBI_DEV: 688 result = vbi_close(bktr); 689 break; 690 default: 691 return (ENXIO); 692 break; 693 } 694 695 device_unbusy(devclass_get_device(bktr_devclass, unit)); 696 return(result); 697 } 698 699 700 /* 701 * 702 */ 703 int 704 bktr_read(dev_t dev, struct uio *uio, int ioflag) 705 { 706 bktr_ptr_t bktr; 707 int unit; 708 709 unit = UNIT(minor(dev)); 710 711 /* Get the device data */ 712 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 713 if (bktr == NULL) { 714 /* the device is no longer valid/functioning */ 715 return (ENXIO); 716 } 717 718 switch (FUNCTION(minor(dev))) { 719 case VIDEO_DEV: 720 return(video_read(bktr, unit, dev, uio)); 721 case VBI_DEV: 722 return(vbi_read(bktr, uio, ioflag)); 723 } 724 return(ENXIO); 725 } 726 727 728 /* 729 * 730 */ 731 int 732 bktr_write(dev_t dev, struct uio *uio, int ioflag) 733 { 734 return(EINVAL); /* XXX or ENXIO ? */ 735 } 736 737 738 /* 739 * 740 */ 741 int 742 bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, void *arg, int flag, struct proc* pr) 743 { 744 bktr_ptr_t bktr; 745 int unit; 746 747 unit = UNIT(minor(dev)); 748 749 /* Get the device data */ 750 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 751 if (bktr == NULL) { 752 /* the device is no longer valid/functioning */ 753 return (ENXIO); 754 } 755 756 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 757 return(ENOMEM); 758 759 switch (FUNCTION(minor(dev))) { 760 case VIDEO_DEV: 761 return(video_ioctl(bktr, unit, cmd, arg, pr)); 762 case TUNER_DEV: 763 return(tuner_ioctl(bktr, unit, cmd, arg, pr)); 764 } 765 766 return(ENXIO); 767 } 768 769 770 /* 771 * 772 */ 773 int 774 bktr_mmap(dev_t dev, vm_offset_t offset, int nprot) 775 { 776 int unit; 777 bktr_ptr_t bktr; 778 779 unit = UNIT(minor(dev)); 780 781 if (FUNCTION(minor(dev)) > 0) /* only allow mmap on /dev/bktr[n] */ 782 return(-1); 783 784 /* Get the device data */ 785 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 786 if (bktr == NULL) { 787 /* the device is no longer valid/functioning */ 788 return (-1); 789 } 790 791 if (nprot & PROT_EXEC) 792 return(-1); 793 794 if (offset < 0) 795 return(-1); 796 797 if (offset >= bktr->alloc_pages * PAGE_SIZE) 798 return(-1); 799 800 return(atop(vtophys(bktr->bigbuf) + offset)); 801 } 802 803 int bktr_poll(dev_t dev, int events, struct lwp *l) 804 { 805 int unit; 806 bktr_ptr_t bktr; 807 int revents = 0; 808 DECLARE_INTR_MASK(s); 809 810 unit = UNIT(minor(dev)); 811 812 /* Get the device data */ 813 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 814 if (bktr == NULL) { 815 /* the device is no longer valid/functioning */ 816 return (ENXIO); 817 } 818 819 DISABLE_INTR(s); 820 821 if (events & (POLLIN | POLLRDNORM)) { 822 823 switch (FUNCTION(minor(dev))) { 824 case VBI_DEV: 825 if(bktr->vbisize == 0) 826 selrecord(p, &bktr->vbi_select); 827 else 828 revents |= events & (POLLIN | POLLRDNORM); 829 break; 830 } 831 } 832 833 ENABLE_INTR(s); 834 835 return (revents); 836 } 837 838 #endif /* FreeBSD 4.x specific kernel interface routines */ 839 840 /**********************************/ 841 /* *** FreeBSD 2.2.x and 3.x *** */ 842 /**********************************/ 843 844 #if ((__FreeBSD__ == 2) || (__FreeBSD__ == 3)) 845 846 static bktr_reg_t brooktree[NBKTR]; 847 848 static const char* bktr_probe(pcici_t tag, pcidi_t type); 849 static void bktr_attach(pcici_t tag, int unit); 850 static void bktr_intr(void *arg) { common_bktr_intr(arg); } 851 852 static u_long bktr_count; 853 854 static struct pci_device bktr_device = { 855 "bktr", 856 bktr_probe, 857 bktr_attach, 858 &bktr_count 859 }; 860 861 DATA_SET (pcidevice_set, bktr_device); 862 863 static d_open_t bktr_open; 864 static d_close_t bktr_close; 865 static d_read_t bktr_read; 866 static d_write_t bktr_write; 867 static d_ioctl_t bktr_ioctl; 868 static d_mmap_t bktr_mmap; 869 static d_poll_t bktr_poll; 870 871 #define CDEV_MAJOR 92 872 static struct cdevsw bktr_cdevsw = 873 { 874 bktr_open, bktr_close, bktr_read, bktr_write, 875 bktr_ioctl, nostop, nullreset, nodevtotty, 876 bktr_poll, bktr_mmap, NULL, "bktr", 877 NULL, -1 878 }; 879 880 static int bktr_devsw_installed; 881 882 static void 883 bktr_drvinit(void *unused) 884 { 885 dev_t dev; 886 887 if (! bktr_devsw_installed) { 888 dev = makedev(CDEV_MAJOR, 0); 889 cdevsw_add(&dev,&bktr_cdevsw, NULL); 890 bktr_devsw_installed = 1; 891 } 892 } 893 894 SYSINIT(bktrdev,SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR,bktr_drvinit,NULL) 895 896 /* 897 * the boot time probe routine. 898 */ 899 static const char* 900 bktr_probe(pcici_t tag, pcidi_t type) 901 { 902 unsigned int rev = pci_conf_read(tag, PCIR_REVID) & 0x000000ff; 903 904 if (PCI_VENDOR(type) == PCI_VENDOR_BROOKTREE) 905 { 906 switch (PCI_PRODUCT(type)) { 907 case PCI_PRODUCT_BROOKTREE_BT848: 908 if (rev == 0x12) return("BrookTree 848A"); 909 else return("BrookTree 848"); 910 case PCI_PRODUCT_BROOKTREE_BT849: 911 return("BrookTree 849A"); 912 case PCI_PRODUCT_BROOKTREE_BT878: 913 return("BrookTree 878"); 914 case PCI_PRODUCT_BROOKTREE_BT879: 915 return("BrookTree 879"); 916 } 917 }; 918 919 return ((char *)0); 920 } 921 922 /* 923 * the attach routine. 924 */ 925 static void 926 bktr_attach(pcici_t tag, int unit) 927 { 928 bktr_ptr_t bktr; 929 u_long latency; 930 u_long fun; 931 unsigned int rev; 932 unsigned long base; 933 #ifdef BROOKTREE_IRQ 934 u_long old_irq, new_irq; 935 #endif 936 937 bktr = &brooktree[unit]; 938 939 if (unit >= NBKTR) { 940 printf("brooktree%d: attach: only %d units configured.\n", 941 unit, NBKTR); 942 printf("brooktree%d: attach: invalid unit number.\n", unit); 943 return; 944 } 945 946 /* build the device name for bktr_name() */ 947 snprintf(bktr->bktr_xname, sizeof(bktr->bktr_xname), "bktr%d",unit); 948 949 /* Enable Memory Mapping */ 950 fun = pci_conf_read(tag, PCI_COMMAND_STATUS_REG); 951 pci_conf_write(tag, PCI_COMMAND_STATUS_REG, fun | 2); 952 953 /* Enable Bus Mastering */ 954 fun = pci_conf_read(tag, PCI_COMMAND_STATUS_REG); 955 pci_conf_write(tag, PCI_COMMAND_STATUS_REG, fun | 4); 956 957 bktr->tag = tag; 958 959 960 /* 961 * Map control/status registers 962 */ 963 pci_map_mem(tag, PCI_MAP_REG_START, (vm_offset_t *) &base, 964 &bktr->phys_base); 965 #if (__FreeBSD_version >= 300000) 966 bktr->memt = I386_BUS_SPACE_MEM; /* XXX should use proper bus space */ 967 bktr->memh = (bus_space_handle_t)base; /* XXX functions here */ 968 #endif 969 970 /* 971 * Disable the brooktree device 972 */ 973 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 974 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 975 976 #ifdef BROOKTREE_IRQ /* from the configuration file */ 977 old_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 978 pci_conf_write(tag, PCI_INTERRUPT_REG, BROOKTREE_IRQ); 979 new_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 980 printf("bktr%d: attach: irq changed from %d to %d\n", 981 unit, (old_irq & 0xff), (new_irq & 0xff)); 982 #endif 983 984 /* 985 * setup the interrupt handling routine 986 */ 987 pci_map_int(tag, bktr_intr, (void*) bktr, &tty_imask); 988 989 990 /* Update the Device Control Register */ 991 /* on Bt878 and Bt879 cards */ 992 fun = pci_conf_read(tag, 0x40); 993 fun = fun | 1; /* Enable writes to the sub-system vendor ID */ 994 995 #if defined(BKTR_430_FX_MODE) 996 if (bootverbose) printf("Using 430 FX chipset compatibility mode\n"); 997 fun = fun | 2; /* Enable Intel 430 FX compatibility mode */ 998 #endif 999 1000 #if defined(BKTR_SIS_VIA_MODE) 1001 if (bootverbose) printf("Using SiS/VIA chipset compatibility mode\n"); 1002 fun = fun | 4; /* Enable SiS/VIA compatibility mode (useful for 1003 OPTi chipset motherboards too */ 1004 #endif 1005 pci_conf_write(tag, 0x40, fun); 1006 1007 1008 /* XXX call bt848_i2c dependent attach() routine */ 1009 #if defined(BKTR_USE_FREEBSD_SMBUS) 1010 if (bt848_i2c_attach(unit, bktr, &bktr->i2c_sc)) 1011 printf("bktr%d: i2c_attach: can't attach\n", unit); 1012 #endif 1013 1014 1015 /* 1016 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 1017 * you have more than four, then 16 would probably be a better value. 1018 */ 1019 #ifndef BROOKTREE_DEF_LATENCY_VALUE 1020 #define BROOKTREE_DEF_LATENCY_VALUE 10 1021 #endif 1022 latency = pci_conf_read(tag, PCI_LATENCY_TIMER); 1023 latency = (latency >> 8) & 0xff; 1024 if (bootverbose) { 1025 if (latency) 1026 printf("brooktree%d: PCI bus latency is", unit); 1027 else 1028 printf("brooktree%d: PCI bus latency was 0 changing to", 1029 unit); 1030 } 1031 if (!latency) { 1032 latency = BROOKTREE_DEF_LATENCY_VALUE; 1033 pci_conf_write(tag, PCI_LATENCY_TIMER, latency<<8); 1034 } 1035 if (bootverbose) { 1036 printf(" %d.\n", (int) latency); 1037 } 1038 1039 1040 /* read the pci device id and revision id */ 1041 fun = pci_conf_read(tag, PCI_ID_REG); 1042 rev = pci_conf_read(tag, PCIR_REVID) & 0x000000ff; 1043 1044 /* call the common attach code */ 1045 common_bktr_attach(bktr, unit, fun, rev); 1046 1047 } 1048 1049 1050 /* 1051 * Special Memory Allocation 1052 */ 1053 vm_offset_t 1054 get_bktr_mem(int unit, unsigned size) 1055 { 1056 vm_offset_t addr = 0; 1057 1058 addr = vm_page_alloc_contig(size, 0x100000, 0xffffffff, 1<<24); 1059 if (addr == 0) 1060 addr = vm_page_alloc_contig(size, 0x100000, 0xffffffff, 1061 PAGE_SIZE); 1062 if (addr == 0) { 1063 printf("bktr%d: Unable to allocate %d bytes of memory.\n", 1064 unit, size); 1065 } 1066 1067 return(addr); 1068 } 1069 1070 /*--------------------------------------------------------- 1071 ** 1072 ** BrookTree 848 character device driver routines 1073 ** 1074 **--------------------------------------------------------- 1075 */ 1076 1077 1078 #define VIDEO_DEV 0x00 1079 #define TUNER_DEV 0x01 1080 #define VBI_DEV 0x02 1081 1082 #define UNIT(x) ((x) & 0x0f) 1083 #define FUNCTION(x) ((x >> 4) & 0x0f) 1084 1085 1086 /* 1087 * 1088 */ 1089 int 1090 bktr_open(dev_t dev, int flags, int fmt, struct lwp *l) 1091 { 1092 bktr_ptr_t bktr; 1093 int unit; 1094 1095 unit = UNIT(minor(dev)); 1096 if (unit >= NBKTR) /* unit out of range */ 1097 return(ENXIO); 1098 1099 bktr = &(brooktree[unit]); 1100 1101 if (!(bktr->flags & METEOR_INITIALIZED)) /* device not found */ 1102 return(ENXIO); 1103 1104 1105 if (bt848_card != -1) { 1106 if ((bt848_card >> 8 == unit) && 1107 ((bt848_card & 0xff) < Bt848_MAX_CARD)) { 1108 if (bktr->bt848_card != (bt848_card & 0xff)) { 1109 bktr->bt848_card = (bt848_card & 0xff); 1110 probeCard(bktr, FALSE, unit); 1111 } 1112 } 1113 } 1114 1115 if (bt848_tuner != -1) { 1116 if ((bt848_tuner >> 8 == unit) && 1117 ((bt848_tuner & 0xff) < Bt848_MAX_TUNER)) { 1118 if (bktr->bt848_tuner != (bt848_tuner & 0xff)) { 1119 bktr->bt848_tuner = (bt848_tuner & 0xff); 1120 probeCard(bktr, FALSE, unit); 1121 } 1122 } 1123 } 1124 1125 if (bt848_reverse_mute != -1) { 1126 if ((bt848_reverse_mute >> 8) == unit) { 1127 bktr->reverse_mute = bt848_reverse_mute & 0xff; 1128 } 1129 } 1130 1131 if (bt848_slow_msp_audio != -1) { 1132 if ((bt848_slow_msp_audio >> 8) == unit) { 1133 bktr->slow_msp_audio = (bt848_slow_msp_audio & 0xff); 1134 } 1135 } 1136 1137 switch (FUNCTION(minor(dev))) { 1138 case VIDEO_DEV: 1139 return(video_open(bktr)); 1140 case TUNER_DEV: 1141 return(tuner_open(bktr)); 1142 case VBI_DEV: 1143 return(vbi_open(bktr)); 1144 } 1145 return(ENXIO); 1146 } 1147 1148 1149 /* 1150 * 1151 */ 1152 int 1153 bktr_close(dev_t dev, int flags, int fmt, struct lwp *l) 1154 { 1155 bktr_ptr_t bktr; 1156 int unit; 1157 1158 unit = UNIT(minor(dev)); 1159 if (unit >= NBKTR) /* unit out of range */ 1160 return(ENXIO); 1161 1162 bktr = &(brooktree[unit]); 1163 1164 switch (FUNCTION(minor(dev))) { 1165 case VIDEO_DEV: 1166 return(video_close(bktr)); 1167 case TUNER_DEV: 1168 return(tuner_close(bktr)); 1169 case VBI_DEV: 1170 return(vbi_close(bktr)); 1171 } 1172 1173 return(ENXIO); 1174 } 1175 1176 /* 1177 * 1178 */ 1179 int 1180 bktr_read(dev_t dev, struct uio *uio, int ioflag) 1181 { 1182 bktr_ptr_t bktr; 1183 int unit; 1184 1185 unit = UNIT(minor(dev)); 1186 if (unit >= NBKTR) /* unit out of range */ 1187 return(ENXIO); 1188 1189 bktr = &(brooktree[unit]); 1190 1191 switch (FUNCTION(minor(dev))) { 1192 case VIDEO_DEV: 1193 return(video_read(bktr, unit, dev, uio)); 1194 case VBI_DEV: 1195 return(vbi_read(bktr, uio, ioflag)); 1196 } 1197 return(ENXIO); 1198 } 1199 1200 1201 /* 1202 * 1203 */ 1204 int 1205 bktr_write(dev_t dev, struct uio *uio, int ioflag) 1206 { 1207 return(EINVAL); /* XXX or ENXIO ? */ 1208 } 1209 1210 /* 1211 * 1212 */ 1213 int 1214 bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, void *arg, int flag, struct proc* pr) 1215 { 1216 bktr_ptr_t bktr; 1217 int unit; 1218 1219 unit = UNIT(minor(dev)); 1220 if (unit >= NBKTR) /* unit out of range */ 1221 return(ENXIO); 1222 1223 bktr = &(brooktree[unit]); 1224 1225 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 1226 return(ENOMEM); 1227 1228 switch (FUNCTION(minor(dev))) { 1229 case VIDEO_DEV: 1230 return(video_ioctl(bktr, unit, cmd, arg, pr)); 1231 case TUNER_DEV: 1232 return(tuner_ioctl(bktr, unit, cmd, arg, pr)); 1233 } 1234 1235 return(ENXIO); 1236 } 1237 1238 /* 1239 * bktr_mmap. 1240 * Note: 2.2.5/2.2.6/2.2.7/3.0 users must manually 1241 * edit the line below and change "vm_offset_t" to "int" 1242 */ 1243 int bktr_mmap(dev_t dev, vm_offset_t offset, int nprot) 1244 1245 { 1246 int unit; 1247 bktr_ptr_t bktr; 1248 1249 unit = UNIT(minor(dev)); 1250 1251 if (unit >= NBKTR || FUNCTION(minor(dev)) > 0) 1252 return(-1); 1253 1254 bktr = &(brooktree[unit]); 1255 1256 if (nprot & PROT_EXEC) 1257 return(-1); 1258 1259 if (offset < 0) 1260 return(-1); 1261 1262 if (offset >= bktr->alloc_pages * PAGE_SIZE) 1263 return(-1); 1264 1265 return(i386_btop(vtophys(bktr->bigbuf) + offset)); 1266 } 1267 1268 int bktr_poll(dev_t dev, int events, struct lwp *l) 1269 { 1270 int unit; 1271 bktr_ptr_t bktr; 1272 int revents = 0; 1273 1274 unit = UNIT(minor(dev)); 1275 1276 if (unit >= NBKTR) 1277 return(-1); 1278 1279 bktr = &(brooktree[unit]); 1280 1281 disable_intr(); 1282 1283 if (events & (POLLIN | POLLRDNORM)) { 1284 1285 switch (FUNCTION(minor(dev))) { 1286 case VBI_DEV: 1287 if(bktr->vbisize == 0) 1288 selrecord(p, &bktr->vbi_select); 1289 else 1290 revents |= events & (POLLIN | POLLRDNORM); 1291 break; 1292 } 1293 } 1294 1295 enable_intr(); 1296 1297 return (revents); 1298 } 1299 1300 1301 #endif /* FreeBSD 2.2.x and 3.x specific kernel interface routines */ 1302 1303 1304 /*****************/ 1305 /* *** BSDI *** */ 1306 /*****************/ 1307 1308 #if defined(__bsdi__) 1309 #endif /* __bsdi__ BSDI specific kernel interface routines */ 1310 1311 1312 /*****************************/ 1313 /* *** OpenBSD / NetBSD *** */ 1314 /*****************************/ 1315 #if defined(__NetBSD__) || defined(__OpenBSD__) 1316 1317 #define IPL_VIDEO IPL_BIO /* XXX */ 1318 1319 static int bktr_intr(void *arg) { return common_bktr_intr(arg); } 1320 1321 #if defined(__OpenBSD__) 1322 #define bktr_open bktropen 1323 #define bktr_close bktrclose 1324 #define bktr_read bktrread 1325 #define bktr_write bktrwrite 1326 #define bktr_ioctl bktrioctl 1327 #define bktr_mmap bktrmmap 1328 1329 static int bktr_probe(struct device *, void *, void *); 1330 #else 1331 static int bktr_probe(struct device *, struct cfdata *, void *); 1332 #endif 1333 static void bktr_attach(struct device *, struct device *, void *); 1334 1335 CFATTACH_DECL(bktr, sizeof(struct bktr_softc), 1336 bktr_probe, bktr_attach, NULL, NULL); 1337 1338 #if defined(__NetBSD__) 1339 extern struct cfdriver bktr_cd; 1340 #else 1341 struct cfdriver bktr_cd = { 1342 NULL, "bktr", DV_DULL 1343 }; 1344 #endif 1345 1346 1347 #if NRADIO > 0 1348 /* for radio(4) */ 1349 int bktr_get_info(void *, struct radio_info *); 1350 int bktr_set_info(void *, struct radio_info *); 1351 1352 static struct radio_hw_if bktr_hw_if = { 1353 NULL, /* open */ 1354 NULL, /* close */ 1355 bktr_get_info, 1356 bktr_set_info, 1357 NULL /* search */ 1358 }; 1359 #endif 1360 1361 int 1362 bktr_probe(struct device *parent, struct cfdata *match, 1363 void *aux) 1364 { 1365 struct pci_attach_args *pa = aux; 1366 1367 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_BROOKTREE && 1368 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT848 || 1369 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT849 || 1370 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT878 || 1371 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT879)) 1372 return 1; 1373 1374 return 0; 1375 } 1376 1377 1378 /* 1379 * the attach routine. 1380 */ 1381 static void 1382 bktr_attach(struct device *parent, struct device *self, void *aux) 1383 { 1384 bktr_ptr_t bktr; 1385 u_long latency; 1386 1387 #if defined(__OpenBSD__) 1388 u_long fun; 1389 unsigned int rev; 1390 struct pci_attach_args *pa = aux; 1391 pci_chipset_tag_t pc = pa->pa_pc; 1392 1393 pci_intr_handle_t ih; 1394 const char *intrstr; 1395 int retval; 1396 int unit; 1397 1398 bktr = (bktr_ptr_t)self; 1399 unit = bktr->bktr_dev.dv_unit; 1400 1401 bktr->pc = pa->pa_pc; 1402 bktr->tag = pa->pa_tag; 1403 bktr->dmat = pa->pa_dmat; 1404 1405 /* 1406 * map memory 1407 */ 1408 bktr->memt = pa->pa_memt; 1409 retval = pci_mem_find(pc, pa->pa_tag, PCI_MAPREG_START, 1410 &bktr->phys_base, &bktr->obmemsz, NULL); 1411 if (!retval) 1412 retval = bus_space_map(pa->pa_memt, bktr->phys_base, 1413 bktr->obmemsz, 0, &bktr->memh); 1414 if (retval) { 1415 printf(": couldn't map memory\n"); 1416 return; 1417 } 1418 1419 1420 /* 1421 * map interrupt 1422 */ 1423 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 1424 pa->pa_intrline, &ih)) { 1425 printf(": couldn't map interrupt\n"); 1426 return; 1427 } 1428 intrstr = pci_intr_string(pa->pa_pc, ih); 1429 1430 bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO, 1431 bktr_intr, bktr, bktr->bktr_dev.dv_xname); 1432 if (bktr->ih == NULL) { 1433 printf(": couldn't establish interrupt"); 1434 if (intrstr != NULL) 1435 printf(" at %s", intrstr); 1436 printf("\n"); 1437 return; 1438 } 1439 1440 if (intrstr != NULL) 1441 printf(": %s\n", intrstr); 1442 #endif /* __OpenBSD__ */ 1443 1444 #if defined(__NetBSD__) 1445 struct pci_attach_args *pa = aux; 1446 pci_intr_handle_t ih; 1447 pcireg_t command; 1448 const char *intrstr; 1449 int retval; 1450 int unit; 1451 1452 bktr = (bktr_ptr_t)self; 1453 unit = device_unit(&bktr->bktr_dev); 1454 bktr->dmat = pa->pa_dmat; 1455 1456 printf("\n"); 1457 1458 /* Enable Bus Master 1459 XXX: check if all old DMA is stopped first (e.g. after warm 1460 boot) */ 1461 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 1462 command |= PCI_COMMAND_MASTER_ENABLE; 1463 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command); 1464 1465 /* 1466 * map memory 1467 */ 1468 retval = pci_mapreg_map(pa, PCI_MAPREG_START, 1469 PCI_MAPREG_TYPE_MEM 1470 | PCI_MAPREG_MEM_TYPE_32BIT, 0, 1471 &bktr->memt, &bktr->memh, NULL, 1472 &bktr->obmemsz); 1473 DPR(("pci_mapreg_map: memt %lx, memh %x, size %x\n", 1474 (unsigned long)bktr->memt, (u_int)bktr->memh, 1475 (u_int)bktr->obmemsz)); 1476 if (retval) { 1477 printf("%s: couldn't map memory\n", bktr_name(bktr)); 1478 return; 1479 } 1480 1481 /* 1482 * Disable the brooktree device 1483 */ 1484 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 1485 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 1486 1487 /* 1488 * map interrupt 1489 */ 1490 if (pci_intr_map(pa, &ih)) { 1491 printf("%s: couldn't map interrupt\n", 1492 bktr_name(bktr)); 1493 return; 1494 } 1495 intrstr = pci_intr_string(pa->pa_pc, ih); 1496 bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO, 1497 bktr_intr, bktr); 1498 if (bktr->ih == NULL) { 1499 printf("%s: couldn't establish interrupt", 1500 bktr_name(bktr)); 1501 if (intrstr != NULL) 1502 printf(" at %s", intrstr); 1503 printf("\n"); 1504 return; 1505 } 1506 if (intrstr != NULL) 1507 printf("%s: interrupting at %s\n", bktr_name(bktr), 1508 intrstr); 1509 selinit(&bktr->vbi_select); 1510 #endif /* __NetBSD__ */ 1511 1512 /* 1513 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 1514 * you have more than four, then 16 would probably be a better value. 1515 */ 1516 #ifndef BROOKTREE_DEF_LATENCY_VALUE 1517 #define BROOKTREE_DEF_LATENCY_VALUE 0x10 1518 #endif 1519 latency = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_LATENCY_TIMER); 1520 latency = (latency >> 8) & 0xff; 1521 1522 if (!latency) { 1523 if (bootverbose) { 1524 printf("%s: PCI bus latency was 0 changing to %d", 1525 bktr_name(bktr), BROOKTREE_DEF_LATENCY_VALUE); 1526 } 1527 latency = BROOKTREE_DEF_LATENCY_VALUE; 1528 pci_conf_write(pa->pa_pc, pa->pa_tag, 1529 PCI_LATENCY_TIMER, latency<<8); 1530 } 1531 1532 if (common_bktr_attach(bktr, unit, pa->pa_id, 1533 PCI_REVISION(pa->pa_class)) == 0) 1534 return; 1535 1536 #if NRADIO > 0 1537 /* attach to radio(4) */ 1538 if (bktr->card.tuner->pllControl[3] != 0x00) 1539 radio_attach_mi(&bktr_hw_if, bktr, &bktr->bktr_dev); 1540 #endif 1541 } 1542 1543 1544 /* 1545 * Special Memory Allocation 1546 */ 1547 #if defined (__NetBSD__) 1548 vaddr_t 1549 #else 1550 vm_offset_t 1551 #endif 1552 get_bktr_mem(bktr, dmapp, size) 1553 bktr_ptr_t bktr; 1554 bus_dmamap_t *dmapp; 1555 unsigned int size; 1556 { 1557 bus_dma_tag_t dmat = bktr->dmat; 1558 bus_dma_segment_t seg; 1559 bus_size_t align; 1560 int rseg; 1561 void *kva; 1562 1563 /* 1564 * Allocate a DMA area 1565 */ 1566 align = 1 << 24; 1567 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, 1568 &rseg, BUS_DMA_NOWAIT)) { 1569 align = PAGE_SIZE; 1570 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, 1571 &rseg, BUS_DMA_NOWAIT)) { 1572 printf("%s: Unable to dmamem_alloc of %d bytes\n", 1573 bktr_name(bktr), size); 1574 return 0; 1575 } 1576 } 1577 if (bus_dmamem_map(dmat, &seg, rseg, size, 1578 &kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) { 1579 printf("%s: Unable to dmamem_map of %d bytes\n", 1580 bktr_name(bktr), size); 1581 bus_dmamem_free(dmat, &seg, rseg); 1582 return 0; 1583 } 1584 #ifdef __OpenBSD__ 1585 bktr->dm_mapsize = size; 1586 #endif 1587 /* 1588 * Create and locd the DMA map for the DMA area 1589 */ 1590 if (bus_dmamap_create(dmat, size, 1, size, 0, BUS_DMA_NOWAIT, dmapp)) { 1591 printf("%s: Unable to dmamap_create of %d bytes\n", 1592 bktr_name(bktr), size); 1593 bus_dmamem_unmap(dmat, kva, size); 1594 bus_dmamem_free(dmat, &seg, rseg); 1595 return 0; 1596 } 1597 if (bus_dmamap_load(dmat, *dmapp, kva, size, NULL, BUS_DMA_NOWAIT)) { 1598 printf("%s: Unable to dmamap_load of %d bytes\n", 1599 bktr_name(bktr), size); 1600 bus_dmamem_unmap(dmat, kva, size); 1601 bus_dmamem_free(dmat, &seg, rseg); 1602 bus_dmamap_destroy(dmat, *dmapp); 1603 return 0; 1604 } 1605 #if defined(__NetBSD__) 1606 return (vaddr_t)kva; 1607 #else 1608 return (vm_offset_t)kva; 1609 #endif 1610 } 1611 1612 void 1613 free_bktr_mem(bktr, dmap, kva) 1614 bktr_ptr_t bktr; 1615 bus_dmamap_t dmap; 1616 #if defined(__NetBSD__) 1617 vaddr_t kva; 1618 #else 1619 vm_offset_t kva; 1620 #endif 1621 { 1622 bus_dma_tag_t dmat = bktr->dmat; 1623 1624 #ifdef __NetBSD__ 1625 bus_dmamem_unmap(dmat, (void *)kva, dmap->dm_mapsize); 1626 #else 1627 bus_dmamem_unmap(dmat, (void *)kva, bktr->dm_mapsize); 1628 #endif 1629 bus_dmamem_free(dmat, dmap->dm_segs, 1); 1630 bus_dmamap_destroy(dmat, dmap); 1631 } 1632 1633 1634 /*--------------------------------------------------------- 1635 ** 1636 ** BrookTree 848 character device driver routines 1637 ** 1638 **--------------------------------------------------------- 1639 */ 1640 1641 1642 #define VIDEO_DEV 0x00 1643 #define TUNER_DEV 0x01 1644 #define VBI_DEV 0x02 1645 1646 #define UNIT(x) (minor((x) & 0x0f)) 1647 #define FUNCTION(x) (minor((x >> 4) & 0x0f)) 1648 1649 /* 1650 * 1651 */ 1652 int 1653 bktr_open(dev_t dev, int flags, int fmt, 1654 struct lwp *l) 1655 { 1656 bktr_ptr_t bktr; 1657 int unit; 1658 1659 unit = UNIT(dev); 1660 1661 /* unit out of range */ 1662 if ((unit >= bktr_cd.cd_ndevs) || (bktr_cd.cd_devs[unit] == NULL)) 1663 return(ENXIO); 1664 1665 bktr = bktr_cd.cd_devs[unit]; 1666 1667 if (!(bktr->flags & METEOR_INITIALIZED)) /* device not found */ 1668 return(ENXIO); 1669 1670 switch (FUNCTION(dev)) { 1671 case VIDEO_DEV: 1672 return(video_open(bktr)); 1673 case TUNER_DEV: 1674 return(tuner_open(bktr)); 1675 case VBI_DEV: 1676 return(vbi_open(bktr)); 1677 } 1678 1679 return(ENXIO); 1680 } 1681 1682 1683 /* 1684 * 1685 */ 1686 int 1687 bktr_close(dev_t dev, int flags, int fmt, 1688 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, void *arg, int flag, 1748 struct lwp *l) 1749 { 1750 bktr_ptr_t bktr; 1751 int unit; 1752 1753 unit = UNIT(dev); 1754 1755 bktr = bktr_cd.cd_devs[unit]; 1756 1757 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 1758 return(ENOMEM); 1759 1760 switch (FUNCTION(dev)) { 1761 case VIDEO_DEV: 1762 return(video_ioctl(bktr, unit, cmd, arg, l)); 1763 case TUNER_DEV: 1764 return(tuner_ioctl(bktr, unit, cmd, arg, l)); 1765 } 1766 1767 return(ENXIO); 1768 } 1769 1770 /* 1771 * 1772 */ 1773 paddr_t 1774 bktr_mmap(dev_t dev, off_t offset, int nprot) 1775 { 1776 int unit; 1777 bktr_ptr_t bktr; 1778 1779 unit = UNIT(dev); 1780 1781 if (FUNCTION(dev) > 0) /* only allow mmap on /dev/bktr[n] */ 1782 return(-1); 1783 1784 bktr = bktr_cd.cd_devs[unit]; 1785 1786 if ((vaddr_t)offset >= bktr->alloc_pages * PAGE_SIZE) 1787 return(-1); 1788 1789 #ifdef __NetBSD__ 1790 return (bus_dmamem_mmap(bktr->dmat, bktr->dm_mem->dm_segs, 1, 1791 (vaddr_t)offset, nprot, BUS_DMA_WAITOK)); 1792 #else 1793 return(i386_btop(vtophys(bktr->bigbuf) + offset)); 1794 #endif 1795 } 1796 1797 #if NRADIO > 0 1798 int 1799 bktr_set_info(void *v, struct radio_info *ri) 1800 { 1801 struct bktr_softc *sc = v; 1802 u_int32_t freq; 1803 1804 if (ri->mute) { 1805 /* mute the audio stream by switching the mux */ 1806 set_audio(sc, AUDIO_MUTE); 1807 1808 /* disable drivers on the GPIO port that controls the MUXes */ 1809 OUTL(sc, BKTR_GPIO_OUT_EN, INL(sc, BKTR_GPIO_OUT_EN) & 1810 ~sc->card.gpio_mux_bits); 1811 } else { 1812 /* enable drivers on the GPIO port that controls the MUXes */ 1813 OUTL(sc, BKTR_GPIO_OUT_EN, INL(sc, BKTR_GPIO_OUT_EN) | 1814 sc->card.gpio_mux_bits); 1815 1816 /* unmute the audio stream */ 1817 set_audio(sc, AUDIO_UNMUTE); 1818 init_audio_devices(sc); 1819 } 1820 1821 freq = ri->freq / 10; 1822 set_audio(sc, AUDIO_INTERN); /* use internal audio */ 1823 temp_mute(sc, TRUE); 1824 ri->freq = tv_freq(sc, freq, FM_RADIO_FREQUENCY) * 10; 1825 temp_mute(sc, FALSE); 1826 1827 return (0); 1828 } 1829 1830 int 1831 bktr_get_info(void *v, struct radio_info *ri) 1832 { 1833 struct bktr_softc *sc = v; 1834 struct TVTUNER *tv = &sc->tuner; 1835 int status; 1836 1837 status = get_tuner_status(sc); 1838 1839 #define STATUSBIT_STEREO 0x10 1840 ri->mute = (int)sc->audio_mute_state ? 1 : 0; 1841 ri->stereo = (status & STATUSBIT_STEREO) ? 1 : 0; 1842 ri->caps = RADIO_CAPS_DETECT_STEREO | RADIO_CAPS_HW_AFC; 1843 ri->freq = tv->frequency * 10; 1844 ri->info = (status & STATUSBIT_STEREO) ? RADIO_INFO_STEREO : 0; 1845 #undef STATUSBIT_STEREO 1846 1847 /* not yet supported */ 1848 ri->volume = ri->rfreq = ri->lock = 0; 1849 1850 return (0); 1851 } 1852 #endif 1853 1854 1855 1856 #endif /* __NetBSD__ || __OpenBSD__ */ 1857 1858 #if defined(__NetBSD__) 1859 1860 u_int8_t 1861 bktr_INB(struct bktr_softc *bktr, int offset) 1862 { 1863 u_int8_t val = bus_space_read_1(bktr->memt, bktr->memh, offset); 1864 bus_space_barrier(bktr->memt, bktr->memh, offset, 1, 1865 BUS_SPACE_BARRIER_READ); 1866 return val; 1867 } 1868 1869 u_int16_t 1870 bktr_INW(struct bktr_softc *bktr, int offset) 1871 { 1872 u_int16_t val = bus_space_read_2(bktr->memt, bktr->memh, offset); 1873 bus_space_barrier(bktr->memt, bktr->memh, offset, 2, 1874 BUS_SPACE_BARRIER_READ); 1875 return val; 1876 } 1877 1878 u_int32_t 1879 bktr_INL(struct bktr_softc *bktr, int offset) 1880 { 1881 u_int32_t val = bus_space_read_4(bktr->memt, bktr->memh, offset); 1882 bus_space_barrier(bktr->memt, bktr->memh, offset, 4, 1883 BUS_SPACE_BARRIER_READ); 1884 return val; 1885 } 1886 1887 void 1888 bktr_OUTB(struct bktr_softc *bktr, int offset, u_int8_t value) 1889 { 1890 bus_space_write_1(bktr->memt, bktr->memh, offset, value); 1891 bus_space_barrier(bktr->memt, bktr->memh, offset, 1, 1892 BUS_SPACE_BARRIER_WRITE); 1893 } 1894 1895 void 1896 bktr_OUTW(struct bktr_softc *bktr, int offset, u_int16_t value) 1897 { 1898 bus_space_write_2(bktr->memt, bktr->memh, offset, value); 1899 bus_space_barrier(bktr->memt, bktr->memh, offset, 2, 1900 BUS_SPACE_BARRIER_WRITE); 1901 } 1902 1903 void 1904 bktr_OUTL(struct bktr_softc *bktr, int offset, u_int32_t value) 1905 { 1906 bus_space_write_4(bktr->memt, bktr->memh, offset, value); 1907 bus_space_barrier(bktr->memt, bktr->memh, offset, 4, 1908 BUS_SPACE_BARRIER_WRITE); 1909 } 1910 1911 #endif /* __NetBSD__ */ 1912
Indexes created Tue Oct 28 12:10:06 GMT 2025