1 /* $SourceForge: bktr_os.c,v 1.5 2003/03/11 23:11:25 thomasklausner Exp $ */ 2 3 /* $NetBSD: bktr_os.c,v 1.69 2022/05/23 13:53:37 rin 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 dependent 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 1.69 2022/05/23 13:53:37 rin 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 : (void)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 .d_open = bktr_open, 184 .d_close = bktr_close, 185 .d_read = bktr_read, 186 .d_write = bktr_write, 187 .d_ioctl = bktr_ioctl, 188 .d_stop = nostop, 189 .d_tty = notty, 190 .d_poll = nopoll, 191 .d_mmap = bktr_mmap, 192 .d_kqfilter = nokqfilter, 193 .d_discard = nodiscard, 194 .d_flag = D_OTHER 195 }; 196 #endif /* __NetBSD __ */ 197 198 #ifdef __NetBSD__ 199 #include <dev/ic/bt8xx.h> /* NetBSD location for .h files */ 200 #include <dev/pci/bktr/bktr_reg.h> 201 #include <dev/pci/bktr/bktr_tuner.h> 202 #include <dev/pci/bktr/bktr_card.h> 203 #include <dev/pci/bktr/bktr_audio.h> 204 #include <dev/pci/bktr/bktr_core.h> 205 #include <dev/pci/bktr/bktr_os.h> 206 #else /* Traditional location for .h files */ 207 #include <machine/ioctl_meteor.h> 208 #include <machine/ioctl_bt848.h> /* extensions to ioctl_meteor.h */ 209 #include <dev/bktr/bktr_reg.h> 210 #include <dev/bktr/bktr_tuner.h> 211 #include <dev/bktr/bktr_card.h> 212 #include <dev/bktr/bktr_audio.h> 213 #include <dev/bktr/bktr_core.h> 214 #include <dev/bktr/bktr_os.h> 215 #if defined(BKTR_USE_FREEBSD_SMBUS) 216 #include <dev/bktr/bktr_i2c.h> 217 #endif 218 #endif 219 220 /* Support for radio(4) under NetBSD */ 221 #ifdef __NetBSD__ 222 #include "radio.h" 223 #if NRADIO > 0 224 #include <sys/radioio.h> 225 #include <dev/radio_if.h> 226 #endif 227 #else 228 #define NRADIO 0 229 #endif 230 231 /****************************/ 232 /* *** FreeBSD 4.x code *** */ 233 /****************************/ 234 #if (__FreeBSD_version >= 400000) 235 236 static int bktr_probe(device_t dev); 237 static int bktr_attach(device_t dev); 238 static int bktr_detach(device_t dev); 239 static int bktr_shutdown(device_t dev); 240 static void bktr_intr(void *arg) { common_bktr_intr(arg); } 241 242 static device_method_t bktr_methods[] = { 243 /* Device interface */ 244 DEVMETHOD(device_probe, bktr_probe), 245 DEVMETHOD(device_attach, bktr_attach), 246 DEVMETHOD(device_detach, bktr_detach), 247 DEVMETHOD(device_shutdown, bktr_shutdown), 248 249 { 0, 0 } 250 }; 251 252 static driver_t bktr_driver = { 253 "bktr", 254 bktr_methods, 255 sizeof(struct bktr_softc), 256 }; 257 258 static devclass_t bktr_devclass; 259 260 static d_open_t bktr_open; 261 static d_close_t bktr_close; 262 static d_read_t bktr_read; 263 static d_write_t bktr_write; 264 static d_ioctl_t bktr_ioctl; 265 static d_mmap_t bktr_mmap; 266 static d_poll_t bktr_poll; 267 268 #define CDEV_MAJOR 92 269 static struct cdevsw bktr_cdevsw = { 270 /* open */ bktr_open, 271 /* close */ bktr_close, 272 /* read */ bktr_read, 273 /* write */ bktr_write, 274 /* ioctl */ bktr_ioctl, 275 /* poll */ bktr_poll, 276 /* mmap */ bktr_mmap, 277 /* strategy */ nostrategy, 278 /* name */ "bktr", 279 /* maj */ CDEV_MAJOR, 280 /* dump */ nodump, 281 /* psize */ nopsize, 282 /* flags */ 0, 283 /* bmaj */ -1 284 }; 285 286 DRIVER_MODULE(bktr, pci, bktr_driver, bktr_devclass, 0, 0); 287 #if (__FreeBSD_version > 410000) 288 MODULE_DEPEND(bktr, bktr_mem, 1,1,1); 289 MODULE_VERSION(bktr, 1); 290 #endif 291 292 293 /* 294 * the boot time probe routine. 295 */ 296 static int 297 bktr_probe(device_t dev) 298 { 299 unsigned int type = pci_get_devid(dev); 300 unsigned int rev = pci_get_revid(dev); 301 302 if (PCI_VENDOR(type) == PCI_VENDOR_BROOKTREE) 303 { 304 switch (PCI_PRODUCT(type)) { 305 case PCI_PRODUCT_BROOKTREE_BT848: 306 if (rev == 0x12) 307 device_set_desc(dev, "BrookTree 848A"); 308 else 309 device_set_desc(dev, "BrookTree 848"); 310 return 0; 311 case PCI_PRODUCT_BROOKTREE_BT849: 312 device_set_desc(dev, "BrookTree 849A"); 313 return 0; 314 case PCI_PRODUCT_BROOKTREE_BT878: 315 device_set_desc(dev, "BrookTree 878"); 316 return 0; 317 case PCI_PRODUCT_BROOKTREE_BT879: 318 device_set_desc(dev, "BrookTree 879"); 319 return 0; 320 } 321 } 322 323 return ENXIO; 324 } 325 326 327 /* 328 * the attach routine. 329 */ 330 static int 331 bktr_attach(device_t dev) 332 { 333 u_int latency; 334 u_int fun; 335 u_int val; 336 unsigned int rev; 337 unsigned int unit; 338 int error = 0; 339 #ifdef BROOKTREE_IRQ 340 u_int old_irq, new_irq; 341 #endif 342 343 struct bktr_softc *bktr = device_get_softc(dev); 344 345 unit = device_get_unit(dev); 346 347 /* build the device name for bktr_name() */ 348 snprintf(bktr->bktr_xname, sizeof(bktr->bktr_xname), "bktr%d",unit); 349 350 /* 351 * Enable bus mastering and Memory Mapped device 352 */ 353 val = pci_read_config(dev, PCIR_COMMAND, 4); 354 val |= (PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN); 355 pci_write_config(dev, PCIR_COMMAND, val, 4); 356 357 /* 358 * Map control/status registers. 359 */ 360 bktr->mem_rid = PCIR_MAPS; 361 bktr->res_mem = bus_alloc_resource(dev, SYS_RES_MEMORY, &bktr->mem_rid, 362 0, ~0, 1, RF_ACTIVE); 363 364 365 if (!bktr->res_mem) { 366 device_printf(dev, "could not map memory\n"); 367 error = ENXIO; 368 goto fail; 369 } 370 bktr->memt = rman_get_bustag(bktr->res_mem); 371 bktr->memh = rman_get_bushandle(bktr->res_mem); 372 373 374 /* 375 * Disable the brooktree device 376 */ 377 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 378 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 379 380 381 #ifdef BROOKTREE_IRQ /* from the configuration file */ 382 old_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 383 pci_conf_write(tag, PCI_INTERRUPT_REG, BROOKTREE_IRQ); 384 new_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 385 printf("bktr%d: attach: irq changed from %d to %d\n", 386 unit, (old_irq & 0xff), (new_irq & 0xff)); 387 #endif 388 389 /* 390 * Allocate our interrupt. 391 */ 392 bktr->irq_rid = 0; 393 bktr->res_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &bktr->irq_rid, 394 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE); 395 if (bktr->res_irq == NULL) { 396 device_printf(dev, "could not map interrupt\n"); 397 error = ENXIO; 398 goto fail; 399 } 400 401 error = bus_setup_intr(dev, bktr->res_irq, INTR_TYPE_TTY, 402 bktr_intr, bktr, &bktr->res_ih); 403 if (error) { 404 device_printf(dev, "could not setup irq\n"); 405 goto fail; 406 407 } 408 409 410 /* Update the Device Control Register */ 411 /* on Bt878 and Bt879 cards */ 412 fun = pci_read_config(dev, 0x40, 2); 413 fun = fun | 1; /* Enable writes to the sub-system vendor ID */ 414 415 #if defined(BKTR_430_FX_MODE) 416 if (bootverbose) printf("Using 430 FX chipset compatibility mode\n"); 417 fun = fun | 2; /* Enable Intel 430 FX compatibility mode */ 418 #endif 419 420 #if defined(BKTR_SIS_VIA_MODE) 421 if (bootverbose) printf("Using SiS/VIA chipset compatibility mode\n"); 422 fun = fun | 4; /* Enable SiS/VIA compatibility mode (useful for 423 OPTi chipset motherboards too */ 424 #endif 425 pci_write_config(dev, 0x40, fun, 2); 426 427 428 /* XXX call bt848_i2c dependent attach() routine */ 429 #if defined(BKTR_USE_FREEBSD_SMBUS) 430 if (bt848_i2c_attach(unit, bktr, &bktr->i2c_sc)) 431 printf("bktr%d: i2c_attach: can't attach\n", unit); 432 #endif 433 434 435 /* 436 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 437 * you have more than four, then 16 would probably be a better value. 438 */ 439 #ifndef BROOKTREE_DEF_LATENCY_VALUE 440 #define BROOKTREE_DEF_LATENCY_VALUE 10 441 #endif 442 latency = pci_read_config(dev, PCI_LATENCY_TIMER, 4); 443 latency = (latency >> 8) & 0xff; 444 if (bootverbose) { 445 if (latency) 446 printf("brooktree%d: PCI bus latency is", unit); 447 else 448 printf("brooktree%d: PCI bus latency was 0 changing to", 449 unit); 450 } 451 if (!latency) { 452 latency = BROOKTREE_DEF_LATENCY_VALUE; 453 pci_write_config(dev, PCI_LATENCY_TIMER, latency<<8, 4); 454 } 455 if (bootverbose) { 456 printf(" %d.\n", (int) latency); 457 } 458 459 /* read the pci device id and revision id */ 460 fun = pci_get_devid(dev); 461 rev = pci_get_revid(dev); 462 463 /* call the common attach code */ 464 if (common_bktr_attach(bktr, unit, fun, rev) == 0) 465 return; 466 467 /* make the device entries */ 468 bktr->bktrdev = make_dev(&bktr_cdevsw, unit, 469 0, 0, 0444, "bktr%d", unit); 470 bktr->tunerdev= make_dev(&bktr_cdevsw, unit+16, 471 0, 0, 0444, "tuner%d", unit); 472 bktr->vbidev = make_dev(&bktr_cdevsw, unit+32, 473 0, 0, 0444, "vbi%d" , unit); 474 475 476 /* if this is unit 0 (/dev/bktr0, /dev/tuner0, /dev/vbi0) then make */ 477 /* alias entries to /dev/bktr /dev/tuner and /dev/vbi */ 478 #if (__FreeBSD_version >=500000) 479 if (unit == 0) { 480 bktr->bktrdev_alias = make_dev_alias(bktr->bktrdev, "bktr"); 481 bktr->tunerdev_alias= make_dev_alias(bktr->tunerdev, "tuner"); 482 bktr->vbidev_alias = make_dev_alias(bktr->vbidev, "vbi"); 483 } 484 #endif 485 486 return 0; 487 488 fail: 489 if (bktr->res_irq) 490 bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq); 491 if (bktr->res_mem) 492 bus_release_resource(dev, SYS_RES_IRQ, bktr->mem_rid, bktr->res_mem); 493 return error; 494 495 } 496 497 /* 498 * the detach routine. 499 */ 500 static int 501 bktr_detach(device_t dev) 502 { 503 unsigned int unit; 504 505 struct bktr_softc *bktr = device_get_softc(dev); 506 507 unit = device_get_unit(dev); 508 509 /* Disable the brooktree device */ 510 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 511 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 512 513 /* Note: We do not free memory for RISC programs, grab buffer, vbi buffers */ 514 /* The memory is retained by the bktr_mem module so we can unload and */ 515 /* then reload the main bktr driver module */ 516 517 /* Unregister the /dev/bktrN, tunerN and vbiN devices */ 518 destroy_dev(bktr->vbidev); 519 destroy_dev(bktr->tunerdev); 520 destroy_dev(bktr->bktrdev); 521 522 /* If this is unit 0, then destroy the alias entries too */ 523 #if (__FreeBSD_version >=500000) 524 if (unit == 0) { 525 destroy_dev(bktr->vbidev_alias); 526 destroy_dev(bktr->tunerdev_alias); 527 destroy_dev(bktr->bktrdev_alias); 528 } 529 #endif 530 seldestroy(&bktr->vbi_select); 531 532 /* 533 * Deallocate resources. 534 */ 535 bus_teardown_intr(dev, bktr->res_irq, bktr->res_ih); 536 bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq); 537 bus_release_resource(dev, SYS_RES_MEMORY, bktr->mem_rid, bktr->res_mem); 538 539 return 0; 540 } 541 542 /* 543 * the shutdown routine. 544 */ 545 static int 546 bktr_shutdown(device_t dev) 547 { 548 struct bktr_softc *bktr = device_get_softc(dev); 549 550 /* Disable the brooktree device */ 551 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 552 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 553 554 return 0; 555 } 556 557 558 /* 559 * Special Memory Allocation 560 */ 561 vm_offset_t 562 get_bktr_mem(int unit, unsigned size) 563 { 564 vm_offset_t addr = 0; 565 566 addr = vm_page_alloc_contig(size, 0, 0xffffffff, 1<<24); 567 if (addr == 0) 568 addr = vm_page_alloc_contig(size, 0, 0xffffffff, PAGE_SIZE); 569 if (addr == 0) { 570 printf("bktr%d: Unable to allocate %d bytes of memory.\n", 571 unit, size); 572 } 573 574 return(addr); 575 } 576 577 578 /*--------------------------------------------------------- 579 ** 580 ** BrookTree 848 character device driver routines 581 ** 582 **--------------------------------------------------------- 583 */ 584 585 #define VIDEO_DEV 0x00 586 #define TUNER_DEV 0x01 587 #define VBI_DEV 0x02 588 589 #define UNIT(x) ((x) & 0x0f) 590 #define FUNCTION(x) (x >> 4) 591 592 /* 593 * 594 */ 595 int 596 bktr_open(dev_t dev, int flags, int fmt, struct lwp *l) 597 { 598 bktr_ptr_t bktr; 599 int unit; 600 int result; 601 602 unit = UNIT(minor(dev)); 603 604 /* Get the device data */ 605 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 606 if (bktr == NULL) { 607 /* the device is no longer valid/functioning */ 608 return (ENXIO); 609 } 610 611 if (!(bktr->flags & METEOR_INITIALIZED)) /* device not found */ 612 return(ENXIO); 613 614 /* Record that the device is now busy */ 615 device_busy(devclass_get_device(bktr_devclass, unit)); 616 617 618 if (bt848_card != -1) { 619 if ((bt848_card >> 8 == unit) && 620 ((bt848_card & 0xff) < Bt848_MAX_CARD)) { 621 if (bktr->bt848_card != (bt848_card & 0xff)) { 622 bktr->bt848_card = (bt848_card & 0xff); 623 probeCard(bktr, FALSE, unit); 624 } 625 } 626 } 627 628 if (bt848_tuner != -1) { 629 if ((bt848_tuner >> 8 == unit) && 630 ((bt848_tuner & 0xff) < Bt848_MAX_TUNER)) { 631 if (bktr->bt848_tuner != (bt848_tuner & 0xff)) { 632 bktr->bt848_tuner = (bt848_tuner & 0xff); 633 probeCard(bktr, FALSE, unit); 634 } 635 } 636 } 637 638 if (bt848_reverse_mute != -1) { 639 if ((bt848_reverse_mute >> 8) == unit) { 640 bktr->reverse_mute = bt848_reverse_mute & 0xff; 641 } 642 } 643 644 if (bt848_slow_msp_audio != -1) { 645 if ((bt848_slow_msp_audio >> 8) == unit) { 646 bktr->slow_msp_audio = (bt848_slow_msp_audio & 0xff); 647 } 648 } 649 650 switch (FUNCTION(minor(dev))) { 651 case VIDEO_DEV: 652 result = video_open(bktr); 653 break; 654 case TUNER_DEV: 655 result = tuner_open(bktr); 656 break; 657 case VBI_DEV: 658 result = vbi_open(bktr); 659 break; 660 default: 661 result = ENXIO; 662 break; 663 } 664 665 /* If there was an error opening the device, undo the busy status */ 666 if (result != 0) 667 device_unbusy(devclass_get_device(bktr_devclass, unit)); 668 return(result); 669 } 670 671 672 /* 673 * 674 */ 675 int 676 bktr_close(dev_t dev, int flags, int fmt, struct lwp *l) 677 { 678 bktr_ptr_t bktr; 679 int unit; 680 int result; 681 682 unit = UNIT(minor(dev)); 683 684 /* Get the device data */ 685 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 686 if (bktr == NULL) { 687 /* the device is no longer valid/functioning */ 688 return (ENXIO); 689 } 690 691 switch (FUNCTION(minor(dev))) { 692 case VIDEO_DEV: 693 result = video_close(bktr); 694 break; 695 case TUNER_DEV: 696 result = tuner_close(bktr); 697 break; 698 case VBI_DEV: 699 result = vbi_close(bktr); 700 break; 701 default: 702 return (ENXIO); 703 break; 704 } 705 706 device_unbusy(devclass_get_device(bktr_devclass, unit)); 707 return(result); 708 } 709 710 711 /* 712 * 713 */ 714 int 715 bktr_read(dev_t dev, struct uio *uio, int ioflag) 716 { 717 bktr_ptr_t bktr; 718 int unit; 719 720 unit = UNIT(minor(dev)); 721 722 /* Get the device data */ 723 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 724 if (bktr == NULL) { 725 /* the device is no longer valid/functioning */ 726 return (ENXIO); 727 } 728 729 switch (FUNCTION(minor(dev))) { 730 case VIDEO_DEV: 731 return(video_read(bktr, unit, dev, uio)); 732 case VBI_DEV: 733 return(vbi_read(bktr, uio, ioflag)); 734 } 735 return(ENXIO); 736 } 737 738 739 /* 740 * 741 */ 742 int 743 bktr_write(dev_t dev, struct uio *uio, int ioflag) 744 { 745 return(EINVAL); /* XXX or ENXIO ? */ 746 } 747 748 749 /* 750 * 751 */ 752 int 753 bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, void *arg, int flag, struct proc* pr) 754 { 755 bktr_ptr_t bktr; 756 int unit; 757 758 unit = UNIT(minor(dev)); 759 760 /* Get the device data */ 761 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 762 if (bktr == NULL) { 763 /* the device is no longer valid/functioning */ 764 return (ENXIO); 765 } 766 767 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 768 return(ENOMEM); 769 770 switch (FUNCTION(minor(dev))) { 771 case VIDEO_DEV: 772 return(video_ioctl(bktr, unit, cmd, arg, pr)); 773 case TUNER_DEV: 774 return(tuner_ioctl(bktr, unit, cmd, arg, pr)); 775 } 776 777 return(ENXIO); 778 } 779 780 781 /* 782 * 783 */ 784 int 785 bktr_mmap(dev_t dev, vm_offset_t offset, int nprot) 786 { 787 int unit; 788 bktr_ptr_t bktr; 789 790 unit = UNIT(minor(dev)); 791 792 if (FUNCTION(minor(dev)) > 0) /* only allow mmap on /dev/bktr[n] */ 793 return(-1); 794 795 /* Get the device data */ 796 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 797 if (bktr == NULL) { 798 /* the device is no longer valid/functioning */ 799 return (-1); 800 } 801 802 if (nprot & PROT_EXEC) 803 return(-1); 804 805 if (offset < 0) 806 return(-1); 807 808 if (offset >= bktr->alloc_pages * PAGE_SIZE) 809 return(-1); 810 811 return(atop(vtophys(bktr->bigbuf) + offset)); 812 } 813 814 int bktr_poll(dev_t dev, int events, struct lwp *l) 815 { 816 int unit; 817 bktr_ptr_t bktr; 818 int revents = 0; 819 DECLARE_INTR_MASK(s); 820 821 unit = UNIT(minor(dev)); 822 823 /* Get the device data */ 824 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 825 if (bktr == NULL) { 826 /* the device is no longer valid/functioning */ 827 return (ENXIO); 828 } 829 830 DISABLE_INTR(s); 831 832 if (events & (POLLIN | POLLRDNORM)) { 833 834 switch (FUNCTION(minor(dev))) { 835 case VBI_DEV: 836 if(bktr->vbisize == 0) 837 selrecord(p, &bktr->vbi_select); 838 else 839 revents |= events & (POLLIN | POLLRDNORM); 840 break; 841 } 842 } 843 844 ENABLE_INTR(s); 845 846 return (revents); 847 } 848 849 #endif /* FreeBSD 4.x specific kernel interface routines */ 850 851 /**********************************/ 852 /* *** FreeBSD 2.2.x and 3.x *** */ 853 /**********************************/ 854 855 #if ((__FreeBSD__ == 2) || (__FreeBSD__ == 3)) 856 857 static bktr_reg_t brooktree[NBKTR]; 858 859 static const char* bktr_probe(pcici_t tag, pcidi_t type); 860 static void bktr_attach(pcici_t tag, int unit); 861 static void bktr_intr(void *arg) { common_bktr_intr(arg); } 862 863 static u_int bktr_count; 864 865 static struct pci_device bktr_device = { 866 "bktr", 867 bktr_probe, 868 bktr_attach, 869 &bktr_count 870 }; 871 872 DATA_SET (pcidevice_set, bktr_device); 873 874 static d_open_t bktr_open; 875 static d_close_t bktr_close; 876 static d_read_t bktr_read; 877 static d_write_t bktr_write; 878 static d_ioctl_t bktr_ioctl; 879 static d_mmap_t bktr_mmap; 880 static d_poll_t bktr_poll; 881 882 #define CDEV_MAJOR 92 883 static struct cdevsw bktr_cdevsw = 884 { 885 bktr_open, bktr_close, bktr_read, bktr_write, 886 bktr_ioctl, nostop, nullreset, nodevtotty, 887 bktr_poll, bktr_mmap, NULL, "bktr", 888 NULL, -1 889 }; 890 891 static int bktr_devsw_installed; 892 893 static void 894 bktr_drvinit(void *unused) 895 { 896 dev_t dev; 897 898 if (! bktr_devsw_installed) { 899 dev = makedev(CDEV_MAJOR, 0); 900 cdevsw_add(&dev,&bktr_cdevsw, NULL); 901 bktr_devsw_installed = 1; 902 } 903 } 904 905 SYSINIT(bktrdev,SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR,bktr_drvinit,NULL) 906 907 /* 908 * the boot time probe routine. 909 */ 910 static const char* 911 bktr_probe(pcici_t tag, pcidi_t type) 912 { 913 unsigned int rev = pci_conf_read(tag, PCIR_REVID) & 0x000000ff; 914 915 if (PCI_VENDOR(type) == PCI_VENDOR_BROOKTREE) 916 { 917 switch (PCI_PRODUCT(type)) { 918 case PCI_PRODUCT_BROOKTREE_BT848: 919 if (rev == 0x12) return("BrookTree 848A"); 920 else return("BrookTree 848"); 921 case PCI_PRODUCT_BROOKTREE_BT849: 922 return("BrookTree 849A"); 923 case PCI_PRODUCT_BROOKTREE_BT878: 924 return("BrookTree 878"); 925 case PCI_PRODUCT_BROOKTREE_BT879: 926 return("BrookTree 879"); 927 } 928 }; 929 930 return ((char *)0); 931 } 932 933 /* 934 * the attach routine. 935 */ 936 static void 937 bktr_attach(pcici_t tag, int unit) 938 { 939 bktr_ptr_t bktr; 940 u_int latency; 941 u_int fun; 942 unsigned int rev; 943 unsigned long base; 944 #ifdef BROOKTREE_IRQ 945 u_int old_irq, new_irq; 946 #endif 947 948 bktr = &brooktree[unit]; 949 950 if (unit >= NBKTR) { 951 printf("brooktree%d: attach: only %d units configured.\n", 952 unit, NBKTR); 953 printf("brooktree%d: attach: invalid unit number.\n", unit); 954 return; 955 } 956 957 /* build the device name for bktr_name() */ 958 snprintf(bktr->bktr_xname, sizeof(bktr->bktr_xname), "bktr%d",unit); 959 960 /* Enable Memory Mapping */ 961 fun = pci_conf_read(tag, PCI_COMMAND_STATUS_REG); 962 pci_conf_write(tag, PCI_COMMAND_STATUS_REG, fun | 2); 963 964 /* Enable Bus Mastering */ 965 fun = pci_conf_read(tag, PCI_COMMAND_STATUS_REG); 966 pci_conf_write(tag, PCI_COMMAND_STATUS_REG, fun | 4); 967 968 bktr->tag = tag; 969 970 971 /* 972 * Map control/status registers 973 */ 974 pci_map_mem(tag, PCI_MAP_REG_START, (vm_offset_t *) &base, 975 &bktr->phys_base); 976 #if (__FreeBSD_version >= 300000) 977 bktr->memt = I386_BUS_SPACE_MEM; /* XXX should use proper bus space */ 978 bktr->memh = (bus_space_handle_t)base; /* XXX functions here */ 979 #endif 980 981 /* 982 * Disable the brooktree device 983 */ 984 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 985 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 986 987 #ifdef BROOKTREE_IRQ /* from the configuration file */ 988 old_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 989 pci_conf_write(tag, PCI_INTERRUPT_REG, BROOKTREE_IRQ); 990 new_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 991 printf("bktr%d: attach: irq changed from %d to %d\n", 992 unit, (old_irq & 0xff), (new_irq & 0xff)); 993 #endif 994 995 /* 996 * setup the interrupt handling routine 997 */ 998 pci_map_int(tag, bktr_intr, (void*) bktr, &tty_imask); 999 1000 1001 /* Update the Device Control Register */ 1002 /* on Bt878 and Bt879 cards */ 1003 fun = pci_conf_read(tag, 0x40); 1004 fun = fun | 1; /* Enable writes to the sub-system vendor ID */ 1005 1006 #if defined(BKTR_430_FX_MODE) 1007 if (bootverbose) printf("Using 430 FX chipset compatibility mode\n"); 1008 fun = fun | 2; /* Enable Intel 430 FX compatibility mode */ 1009 #endif 1010 1011 #if defined(BKTR_SIS_VIA_MODE) 1012 if (bootverbose) printf("Using SiS/VIA chipset compatibility mode\n"); 1013 fun = fun | 4; /* Enable SiS/VIA compatibility mode (useful for 1014 OPTi chipset motherboards too */ 1015 #endif 1016 pci_conf_write(tag, 0x40, fun); 1017 1018 1019 /* XXX call bt848_i2c dependent attach() routine */ 1020 #if defined(BKTR_USE_FREEBSD_SMBUS) 1021 if (bt848_i2c_attach(unit, bktr, &bktr->i2c_sc)) 1022 printf("bktr%d: i2c_attach: can't attach\n", unit); 1023 #endif 1024 1025 1026 /* 1027 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 1028 * you have more than four, then 16 would probably be a better value. 1029 */ 1030 #ifndef BROOKTREE_DEF_LATENCY_VALUE 1031 #define BROOKTREE_DEF_LATENCY_VALUE 10 1032 #endif 1033 latency = pci_conf_read(tag, PCI_LATENCY_TIMER); 1034 latency = (latency >> 8) & 0xff; 1035 if (bootverbose) { 1036 if (latency) 1037 printf("brooktree%d: PCI bus latency is", unit); 1038 else 1039 printf("brooktree%d: PCI bus latency was 0 changing to", 1040 unit); 1041 } 1042 if (!latency) { 1043 latency = BROOKTREE_DEF_LATENCY_VALUE; 1044 pci_conf_write(tag, PCI_LATENCY_TIMER, latency<<8); 1045 } 1046 if (bootverbose) { 1047 printf(" %d.\n", (int) latency); 1048 } 1049 1050 1051 /* read the pci device id and revision id */ 1052 fun = pci_conf_read(tag, PCI_ID_REG); 1053 rev = pci_conf_read(tag, PCIR_REVID) & 0x000000ff; 1054 1055 /* call the common attach code */ 1056 common_bktr_attach(bktr, unit, fun, rev); 1057 1058 } 1059 1060 1061 /* 1062 * Special Memory Allocation 1063 */ 1064 vm_offset_t 1065 get_bktr_mem(int unit, unsigned size) 1066 { 1067 vm_offset_t addr = 0; 1068 1069 addr = vm_page_alloc_contig(size, 0x100000, 0xffffffff, 1<<24); 1070 if (addr == 0) 1071 addr = vm_page_alloc_contig(size, 0x100000, 0xffffffff, 1072 PAGE_SIZE); 1073 if (addr == 0) { 1074 printf("bktr%d: Unable to allocate %d bytes of memory.\n", 1075 unit, size); 1076 } 1077 1078 return(addr); 1079 } 1080 1081 /*--------------------------------------------------------- 1082 ** 1083 ** BrookTree 848 character device driver routines 1084 ** 1085 **--------------------------------------------------------- 1086 */ 1087 1088 1089 #define VIDEO_DEV 0x00 1090 #define TUNER_DEV 0x01 1091 #define VBI_DEV 0x02 1092 1093 #define UNIT(x) ((x) & 0x0f) 1094 #define FUNCTION(x) ((x >> 4) & 0x0f) 1095 1096 1097 /* 1098 * 1099 */ 1100 int 1101 bktr_open(dev_t dev, int flags, int fmt, struct lwp *l) 1102 { 1103 bktr_ptr_t bktr; 1104 int unit; 1105 1106 unit = UNIT(minor(dev)); 1107 if (unit >= NBKTR) /* unit out of range */ 1108 return(ENXIO); 1109 1110 bktr = &(brooktree[unit]); 1111 1112 if (!(bktr->flags & METEOR_INITIALIZED)) /* device not found */ 1113 return(ENXIO); 1114 1115 1116 if (bt848_card != -1) { 1117 if ((bt848_card >> 8 == unit) && 1118 ((bt848_card & 0xff) < Bt848_MAX_CARD)) { 1119 if (bktr->bt848_card != (bt848_card & 0xff)) { 1120 bktr->bt848_card = (bt848_card & 0xff); 1121 probeCard(bktr, FALSE, unit); 1122 } 1123 } 1124 } 1125 1126 if (bt848_tuner != -1) { 1127 if ((bt848_tuner >> 8 == unit) && 1128 ((bt848_tuner & 0xff) < Bt848_MAX_TUNER)) { 1129 if (bktr->bt848_tuner != (bt848_tuner & 0xff)) { 1130 bktr->bt848_tuner = (bt848_tuner & 0xff); 1131 probeCard(bktr, FALSE, unit); 1132 } 1133 } 1134 } 1135 1136 if (bt848_reverse_mute != -1) { 1137 if ((bt848_reverse_mute >> 8) == unit) { 1138 bktr->reverse_mute = bt848_reverse_mute & 0xff; 1139 } 1140 } 1141 1142 if (bt848_slow_msp_audio != -1) { 1143 if ((bt848_slow_msp_audio >> 8) == unit) { 1144 bktr->slow_msp_audio = (bt848_slow_msp_audio & 0xff); 1145 } 1146 } 1147 1148 switch (FUNCTION(minor(dev))) { 1149 case VIDEO_DEV: 1150 return(video_open(bktr)); 1151 case TUNER_DEV: 1152 return(tuner_open(bktr)); 1153 case VBI_DEV: 1154 return(vbi_open(bktr)); 1155 } 1156 return(ENXIO); 1157 } 1158 1159 1160 /* 1161 * 1162 */ 1163 int 1164 bktr_close(dev_t dev, int flags, int fmt, struct lwp *l) 1165 { 1166 bktr_ptr_t bktr; 1167 int unit; 1168 1169 unit = UNIT(minor(dev)); 1170 if (unit >= NBKTR) /* unit out of range */ 1171 return(ENXIO); 1172 1173 bktr = &(brooktree[unit]); 1174 1175 switch (FUNCTION(minor(dev))) { 1176 case VIDEO_DEV: 1177 return(video_close(bktr)); 1178 case TUNER_DEV: 1179 return(tuner_close(bktr)); 1180 case VBI_DEV: 1181 return(vbi_close(bktr)); 1182 } 1183 1184 return(ENXIO); 1185 } 1186 1187 /* 1188 * 1189 */ 1190 int 1191 bktr_read(dev_t dev, struct uio *uio, int ioflag) 1192 { 1193 bktr_ptr_t bktr; 1194 int unit; 1195 1196 unit = UNIT(minor(dev)); 1197 if (unit >= NBKTR) /* unit out of range */ 1198 return(ENXIO); 1199 1200 bktr = &(brooktree[unit]); 1201 1202 switch (FUNCTION(minor(dev))) { 1203 case VIDEO_DEV: 1204 return(video_read(bktr, unit, dev, uio)); 1205 case VBI_DEV: 1206 return(vbi_read(bktr, uio, ioflag)); 1207 } 1208 return(ENXIO); 1209 } 1210 1211 1212 /* 1213 * 1214 */ 1215 int 1216 bktr_write(dev_t dev, struct uio *uio, int ioflag) 1217 { 1218 return(EINVAL); /* XXX or ENXIO ? */ 1219 } 1220 1221 /* 1222 * 1223 */ 1224 int 1225 bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, void *arg, int flag, struct proc* pr) 1226 { 1227 bktr_ptr_t bktr; 1228 int unit; 1229 1230 unit = UNIT(minor(dev)); 1231 if (unit >= NBKTR) /* unit out of range */ 1232 return(ENXIO); 1233 1234 bktr = &(brooktree[unit]); 1235 1236 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 1237 return(ENOMEM); 1238 1239 switch (FUNCTION(minor(dev))) { 1240 case VIDEO_DEV: 1241 return(video_ioctl(bktr, unit, cmd, arg, pr)); 1242 case TUNER_DEV: 1243 return(tuner_ioctl(bktr, unit, cmd, arg, pr)); 1244 } 1245 1246 return(ENXIO); 1247 } 1248 1249 /* 1250 * bktr_mmap. 1251 * Note: 2.2.5/2.2.6/2.2.7/3.0 users must manually 1252 * edit the line below and change "vm_offset_t" to "int" 1253 */ 1254 int bktr_mmap(dev_t dev, vm_offset_t offset, int nprot) 1255 1256 { 1257 int unit; 1258 bktr_ptr_t bktr; 1259 1260 unit = UNIT(minor(dev)); 1261 1262 if (unit >= NBKTR || FUNCTION(minor(dev)) > 0) 1263 return(-1); 1264 1265 bktr = &(brooktree[unit]); 1266 1267 if (nprot & PROT_EXEC) 1268 return(-1); 1269 1270 if (offset < 0) 1271 return(-1); 1272 1273 if (offset >= bktr->alloc_pages * PAGE_SIZE) 1274 return(-1); 1275 1276 return(i386_btop(vtophys(bktr->bigbuf) + offset)); 1277 } 1278 1279 int bktr_poll(dev_t dev, int events, struct lwp *l) 1280 { 1281 int unit; 1282 bktr_ptr_t bktr; 1283 int revents = 0; 1284 1285 unit = UNIT(minor(dev)); 1286 1287 if (unit >= NBKTR) 1288 return(-1); 1289 1290 bktr = &(brooktree[unit]); 1291 1292 disable_intr(); 1293 1294 if (events & (POLLIN | POLLRDNORM)) { 1295 1296 switch (FUNCTION(minor(dev))) { 1297 case VBI_DEV: 1298 if(bktr->vbisize == 0) 1299 selrecord(p, &bktr->vbi_select); 1300 else 1301 revents |= events & (POLLIN | POLLRDNORM); 1302 break; 1303 } 1304 } 1305 1306 enable_intr(); 1307 1308 return (revents); 1309 } 1310 1311 1312 #endif /* FreeBSD 2.2.x and 3.x specific kernel interface routines */ 1313 1314 1315 /*****************/ 1316 /* *** BSDI *** */ 1317 /*****************/ 1318 1319 #if defined(__bsdi__) 1320 #endif /* __bsdi__ BSDI specific kernel interface routines */ 1321 1322 1323 /*****************************/ 1324 /* *** OpenBSD / NetBSD *** */ 1325 /*****************************/ 1326 #if defined(__NetBSD__) || defined(__OpenBSD__) 1327 1328 #define IPL_VIDEO IPL_BIO /* XXX */ 1329 1330 static int bktr_intr(void *arg) { return common_bktr_intr(arg); } 1331 1332 #if defined(__OpenBSD__) 1333 #define bktr_open bktropen 1334 #define bktr_close bktrclose 1335 #define bktr_read bktrread 1336 #define bktr_write bktrwrite 1337 #define bktr_ioctl bktrioctl 1338 #define bktr_mmap bktrmmap 1339 1340 static int bktr_probe(struct device *, void *, void *); 1341 #else 1342 static int bktr_probe(device_t, cfdata_t, void *); 1343 #endif 1344 static void bktr_attach(device_t, device_t, void *); 1345 1346 CFATTACH_DECL_NEW(bktr, sizeof(struct bktr_softc), 1347 bktr_probe, bktr_attach, NULL, NULL); 1348 1349 #if defined(__NetBSD__) 1350 extern struct cfdriver bktr_cd; 1351 #else 1352 struct cfdriver bktr_cd = { 1353 NULL, "bktr", DV_DULL 1354 }; 1355 #endif 1356 1357 1358 #if NRADIO > 0 1359 /* for radio(4) */ 1360 int bktr_get_info(void *, struct radio_info *); 1361 int bktr_set_info(void *, struct radio_info *); 1362 1363 static struct radio_hw_if bktr_hw_if = { 1364 NULL, /* open */ 1365 NULL, /* close */ 1366 bktr_get_info, 1367 bktr_set_info, 1368 NULL /* search */ 1369 }; 1370 #endif 1371 1372 int 1373 bktr_probe(device_t parent, cfdata_t match, void *aux) 1374 { 1375 struct pci_attach_args *pa = aux; 1376 1377 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_BROOKTREE && 1378 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT848 || 1379 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT849 || 1380 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT878 || 1381 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT879)) 1382 return 1; 1383 1384 return 0; 1385 } 1386 1387 1388 /* 1389 * the attach routine. 1390 */ 1391 static void 1392 bktr_attach(device_t parent, device_t self, void *aux) 1393 { 1394 bktr_ptr_t bktr; 1395 u_int latency; 1396 1397 #if defined(__OpenBSD__) 1398 u_int fun; 1399 unsigned int rev; 1400 struct pci_attach_args *pa = aux; 1401 pci_chipset_tag_t pc = pa->pa_pc; 1402 1403 pci_intr_handle_t ih; 1404 const char *intrstr; 1405 int retval; 1406 int unit; 1407 char intrbuf[PCI_INTRSTR_LEN]; 1408 1409 bktr = (bktr_ptr_t)self; 1410 unit = bktr->bktr_dev.dv_unit; 1411 1412 bktr->pc = pa->pa_pc; 1413 bktr->tag = pa->pa_tag; 1414 bktr->dmat = pa->pa_dmat; 1415 1416 /* 1417 * map memory 1418 */ 1419 bktr->memt = pa->pa_memt; 1420 retval = pci_mem_find(pc, pa->pa_tag, PCI_MAPREG_START, 1421 &bktr->phys_base, &bktr->obmemsz, NULL); 1422 if (!retval) 1423 retval = bus_space_map(pa->pa_memt, bktr->phys_base, 1424 bktr->obmemsz, 0, &bktr->memh); 1425 if (retval) { 1426 printf(": couldn't map memory\n"); 1427 return; 1428 } 1429 1430 1431 /* 1432 * map interrupt 1433 */ 1434 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 1435 pa->pa_intrline, &ih)) { 1436 printf(": couldn't map interrupt\n"); 1437 return; 1438 } 1439 intrstr = pci_intr_string(pa->pa_pc, ih, intrbuf, sizeof(intrbuf)); 1440 1441 bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO, 1442 bktr_intr, bktr, device_xname(bktr->bktr_dev)); 1443 if (bktr->ih == NULL) { 1444 printf(": couldn't establish interrupt"); 1445 if (intrstr != NULL) 1446 printf(" at %s", intrstr); 1447 printf("\n"); 1448 return; 1449 } 1450 1451 if (intrstr != NULL) 1452 printf(": %s\n", intrstr); 1453 #endif /* __OpenBSD__ */ 1454 1455 #if defined(__NetBSD__) 1456 struct pci_attach_args *pa = aux; 1457 pci_intr_handle_t ih; 1458 pcireg_t command; 1459 const char *intrstr; 1460 int retval; 1461 int unit; 1462 char intrbuf[PCI_INTRSTR_LEN]; 1463 1464 bktr = device_private(self); 1465 bktr->bktr_dev = self; 1466 unit = device_unit(bktr->bktr_dev); 1467 bktr->dmat = pa->pa_dmat; 1468 1469 aprint_naive("\n"); 1470 aprint_normal("\n"); 1471 1472 /* Enable Bus Master 1473 XXX: check if all old DMA is stopped first (e.g. after warm 1474 boot) */ 1475 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 1476 command |= PCI_COMMAND_MASTER_ENABLE; 1477 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command); 1478 1479 /* 1480 * map memory 1481 */ 1482 retval = pci_mapreg_map(pa, PCI_MAPREG_START, 1483 PCI_MAPREG_TYPE_MEM 1484 | PCI_MAPREG_MEM_TYPE_32BIT, 0, 1485 &bktr->memt, &bktr->memh, NULL, 1486 &bktr->obmemsz); 1487 DPR(("pci_mapreg_map: size %lx\n", 1488 (unsigned long)bktr->obmemsz)); 1489 if (retval) { 1490 aprint_error("%s: couldn't map memory\n", bktr_name(bktr)); 1491 return; 1492 } 1493 1494 /* 1495 * Disable the brooktree device 1496 */ 1497 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 1498 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 1499 1500 /* 1501 * map interrupt 1502 */ 1503 if (pci_intr_map(pa, &ih)) { 1504 aprint_error("%s: couldn't map interrupt\n", 1505 bktr_name(bktr)); 1506 return; 1507 } 1508 intrstr = pci_intr_string(pa->pa_pc, ih, intrbuf, sizeof(intrbuf)); 1509 bktr->ih = pci_intr_establish_xname(pa->pa_pc, ih, IPL_VIDEO, 1510 bktr_intr, bktr, device_xname(bktr->bktr_dev)); 1511 if (bktr->ih == NULL) { 1512 aprint_error("%s: couldn't establish interrupt", 1513 bktr_name(bktr)); 1514 if (intrstr != NULL) 1515 aprint_normal(" at %s", intrstr); 1516 aprint_normal("\n"); 1517 return; 1518 } 1519 if (intrstr != NULL) 1520 aprint_normal("%s: interrupting at %s\n", bktr_name(bktr), 1521 intrstr); 1522 selinit(&bktr->vbi_select); 1523 #endif /* __NetBSD__ */ 1524 1525 /* 1526 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 1527 * you have more than four, then 16 would probably be a better value. 1528 */ 1529 #ifndef BROOKTREE_DEF_LATENCY_VALUE 1530 #define BROOKTREE_DEF_LATENCY_VALUE 0x10 1531 #endif 1532 latency = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_LATENCY_TIMER); 1533 latency = (latency >> 8) & 0xff; 1534 1535 if (!latency) { 1536 if (bootverbose) { 1537 printf("%s: PCI bus latency was 0 changing to %d", 1538 bktr_name(bktr), BROOKTREE_DEF_LATENCY_VALUE); 1539 } 1540 latency = BROOKTREE_DEF_LATENCY_VALUE; 1541 pci_conf_write(pa->pa_pc, pa->pa_tag, 1542 PCI_LATENCY_TIMER, latency<<8); 1543 } 1544 1545 if (common_bktr_attach(bktr, unit, pa->pa_id, 1546 PCI_REVISION(pa->pa_class)) == 0) 1547 return; 1548 1549 #if NRADIO > 0 1550 /* attach to radio(4) */ 1551 if (bktr->card.tuner->pllControl[3] != 0x00) 1552 radio_attach_mi(&bktr_hw_if, bktr, bktr->bktr_dev); 1553 #endif 1554 } 1555 1556 1557 /* 1558 * Special Memory Allocation 1559 */ 1560 #if defined (__NetBSD__) 1561 vaddr_t 1562 #else 1563 vm_offset_t 1564 #endif 1565 get_bktr_mem(bktr_ptr_t bktr, bus_dmamap_t *dmapp, unsigned int size) 1566 { 1567 bus_dma_tag_t dmat = bktr->dmat; 1568 bus_dma_segment_t seg; 1569 bus_size_t align; 1570 int rseg; 1571 void *kva; 1572 1573 /* 1574 * Allocate a DMA area 1575 */ 1576 align = 1 << 24; 1577 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, 1578 &rseg, BUS_DMA_NOWAIT)) { 1579 align = PAGE_SIZE; 1580 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, 1581 &rseg, BUS_DMA_NOWAIT)) { 1582 printf("%s: Unable to dmamem_alloc of %d bytes\n", 1583 bktr_name(bktr), size); 1584 return 0; 1585 } 1586 } 1587 if (bus_dmamem_map(dmat, &seg, rseg, size, 1588 &kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) { 1589 printf("%s: Unable to dmamem_map of %d bytes\n", 1590 bktr_name(bktr), size); 1591 bus_dmamem_free(dmat, &seg, rseg); 1592 return 0; 1593 } 1594 #ifdef __OpenBSD__ 1595 bktr->dm_mapsize = size; 1596 #endif 1597 /* 1598 * Create and locd the DMA map for the DMA area 1599 */ 1600 if (bus_dmamap_create(dmat, size, 1, size, 0, BUS_DMA_NOWAIT, dmapp)) { 1601 printf("%s: Unable to dmamap_create of %d bytes\n", 1602 bktr_name(bktr), size); 1603 bus_dmamem_unmap(dmat, kva, size); 1604 bus_dmamem_free(dmat, &seg, rseg); 1605 return 0; 1606 } 1607 if (bus_dmamap_load(dmat, *dmapp, kva, size, NULL, BUS_DMA_NOWAIT)) { 1608 printf("%s: Unable to dmamap_load of %d bytes\n", 1609 bktr_name(bktr), size); 1610 bus_dmamem_unmap(dmat, kva, size); 1611 bus_dmamem_free(dmat, &seg, rseg); 1612 bus_dmamap_destroy(dmat, *dmapp); 1613 return 0; 1614 } 1615 #if defined(__NetBSD__) 1616 return (vaddr_t)kva; 1617 #else 1618 return (vm_offset_t)kva; 1619 #endif 1620 } 1621 1622 void 1623 free_bktr_mem(bktr_ptr_t bktr, bus_dmamap_t dmap, vaddr_t kva) 1624 { 1625 bus_dma_tag_t dmat = bktr->dmat; 1626 1627 bus_dmamap_unload(dmat, dmap); 1628 #ifdef __NetBSD__ 1629 bus_dmamem_unmap(dmat, (void *)kva, dmap->dm_mapsize); 1630 #else 1631 bus_dmamem_unmap(dmat, (void *)kva, bktr->dm_mapsize); 1632 #endif 1633 bus_dmamem_free(dmat, dmap->dm_segs, 1); 1634 bus_dmamap_destroy(dmat, dmap); 1635 } 1636 1637 1638 /*--------------------------------------------------------- 1639 ** 1640 ** BrookTree 848 character device driver routines 1641 ** 1642 **--------------------------------------------------------- 1643 */ 1644 1645 1646 #define VIDEO_DEV 0x00 1647 #define TUNER_DEV 0x01 1648 #define VBI_DEV 0x02 1649 1650 #define UNIT(x) (minor((x) & 0x0f)) 1651 #define FUNCTION(x) (minor((x >> 4) & 0x0f)) 1652 1653 /* 1654 * 1655 */ 1656 int 1657 bktr_open(dev_t dev, int flags, int fmt, 1658 struct lwp *l) 1659 { 1660 bktr_ptr_t bktr; 1661 int unit; 1662 1663 unit = UNIT(dev); 1664 1665 /* unit out of range */ 1666 bktr = device_lookup_private(&bktr_cd, unit); 1667 if (bktr == NULL) 1668 return(ENXIO); 1669 1670 if (!(bktr->flags & METEOR_INITIALIZED)) /* device not found */ 1671 return(ENXIO); 1672 1673 switch (FUNCTION(dev)) { 1674 case VIDEO_DEV: 1675 return(video_open(bktr)); 1676 case TUNER_DEV: 1677 return(tuner_open(bktr)); 1678 case VBI_DEV: 1679 return(vbi_open(bktr)); 1680 } 1681 1682 return(ENXIO); 1683 } 1684 1685 1686 /* 1687 * 1688 */ 1689 int 1690 bktr_close(dev_t dev, int flags, int fmt, 1691 struct lwp *l) 1692 { 1693 bktr_ptr_t bktr; 1694 int unit; 1695 1696 unit = UNIT(dev); 1697 1698 bktr = device_lookup_private(&bktr_cd, unit); 1699 1700 switch (FUNCTION(dev)) { 1701 case VIDEO_DEV: 1702 return(video_close(bktr)); 1703 case TUNER_DEV: 1704 return(tuner_close(bktr)); 1705 case VBI_DEV: 1706 return(vbi_close(bktr)); 1707 } 1708 1709 return(ENXIO); 1710 } 1711 1712 /* 1713 * 1714 */ 1715 int 1716 bktr_read(dev_t dev, struct uio *uio, int ioflag) 1717 { 1718 bktr_ptr_t bktr; 1719 int unit; 1720 1721 unit = UNIT(dev); 1722 1723 bktr = device_lookup_private(&bktr_cd, unit); 1724 1725 switch (FUNCTION(dev)) { 1726 case VIDEO_DEV: 1727 return(video_read(bktr, unit, dev, uio)); 1728 case VBI_DEV: 1729 return(vbi_read(bktr, uio, ioflag)); 1730 } 1731 1732 return(ENXIO); 1733 } 1734 1735 1736 /* 1737 * 1738 */ 1739 int 1740 bktr_write(dev_t dev, struct uio *uio, int ioflag) 1741 { 1742 /* operation not supported */ 1743 return(EOPNOTSUPP); 1744 } 1745 1746 /* 1747 * 1748 */ 1749 int 1750 bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, void *arg, int flag, 1751 struct lwp *l) 1752 { 1753 bktr_ptr_t bktr; 1754 int unit; 1755 1756 unit = UNIT(dev); 1757 1758 bktr = device_lookup_private(&bktr_cd, unit); 1759 1760 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 1761 return(ENOMEM); 1762 1763 switch (FUNCTION(dev)) { 1764 case VIDEO_DEV: 1765 return(video_ioctl(bktr, unit, cmd, arg, l)); 1766 case TUNER_DEV: 1767 return(tuner_ioctl(bktr, unit, cmd, arg, l)); 1768 } 1769 1770 return(ENXIO); 1771 } 1772 1773 /* 1774 * 1775 */ 1776 paddr_t 1777 bktr_mmap(dev_t dev, off_t offset, int nprot) 1778 { 1779 int unit; 1780 bktr_ptr_t bktr; 1781 1782 unit = UNIT(dev); 1783 1784 if (FUNCTION(dev) > 0) /* only allow mmap on /dev/bktr[n] */ 1785 return(-1); 1786 1787 bktr = device_lookup_private(&bktr_cd, unit); 1788 1789 if ((vaddr_t)offset >= bktr->alloc_pages * PAGE_SIZE) 1790 return(-1); 1791 1792 #ifdef __NetBSD__ 1793 return (bus_dmamem_mmap(bktr->dmat, bktr->dm_mem->dm_segs, 1, 1794 (vaddr_t)offset, nprot, BUS_DMA_WAITOK)); 1795 #else 1796 return(i386_btop(vtophys(bktr->bigbuf) + offset)); 1797 #endif 1798 } 1799 1800 #if NRADIO > 0 1801 int 1802 bktr_set_info(void *v, struct radio_info *ri) 1803 { 1804 struct bktr_softc *sc = v; 1805 u_int32_t freq; 1806 1807 if (ri->mute) { 1808 /* mute the audio stream by switching the mux */ 1809 set_audio(sc, AUDIO_MUTE); 1810 1811 /* disable drivers on the GPIO port that controls the MUXes */ 1812 OUTL(sc, BKTR_GPIO_OUT_EN, INL(sc, BKTR_GPIO_OUT_EN) & 1813 ~sc->card.gpio_mux_bits); 1814 } else { 1815 /* enable drivers on the GPIO port that controls the MUXes */ 1816 OUTL(sc, BKTR_GPIO_OUT_EN, INL(sc, BKTR_GPIO_OUT_EN) | 1817 sc->card.gpio_mux_bits); 1818 1819 /* unmute the audio stream */ 1820 set_audio(sc, AUDIO_UNMUTE); 1821 init_audio_devices(sc); 1822 } 1823 1824 freq = ri->freq / 10; 1825 set_audio(sc, AUDIO_INTERN); /* use internal audio */ 1826 temp_mute(sc, TRUE); 1827 ri->freq = tv_freq(sc, freq, FM_RADIO_FREQUENCY) * 10; 1828 temp_mute(sc, FALSE); 1829 1830 return (0); 1831 } 1832 1833 int 1834 bktr_get_info(void *v, struct radio_info *ri) 1835 { 1836 struct bktr_softc *sc = v; 1837 struct TVTUNER *tv = &sc->tuner; 1838 int status; 1839 1840 status = get_tuner_status(sc); 1841 1842 #define STATUSBIT_STEREO 0x10 1843 ri->mute = (int)sc->audio_mute_state ? 1 : 0; 1844 ri->stereo = (status & STATUSBIT_STEREO) ? 1 : 0; 1845 ri->caps = RADIO_CAPS_DETECT_STEREO | RADIO_CAPS_HW_AFC; 1846 ri->freq = tv->frequency * 10; 1847 ri->info = (status & STATUSBIT_STEREO) ? RADIO_INFO_STEREO : 0; 1848 #undef STATUSBIT_STEREO 1849 1850 /* not yet supported */ 1851 ri->volume = ri->rfreq = ri->lock = 0; 1852 1853 return (0); 1854 } 1855 #endif 1856 1857 1858 1859 #endif /* __NetBSD__ || __OpenBSD__ */ 1860 1861 #if defined(__NetBSD__) 1862 1863 u_int8_t 1864 bktr_INB(struct bktr_softc *bktr, int offset) 1865 { 1866 u_int8_t val = bus_space_read_1(bktr->memt, bktr->memh, offset); 1867 bus_space_barrier(bktr->memt, bktr->memh, offset, 1, 1868 BUS_SPACE_BARRIER_READ); 1869 return val; 1870 } 1871 1872 u_int16_t 1873 bktr_INW(struct bktr_softc *bktr, int offset) 1874 { 1875 u_int16_t val = bus_space_read_2(bktr->memt, bktr->memh, offset); 1876 bus_space_barrier(bktr->memt, bktr->memh, offset, 2, 1877 BUS_SPACE_BARRIER_READ); 1878 return val; 1879 } 1880 1881 u_int32_t 1882 bktr_INL(struct bktr_softc *bktr, int offset) 1883 { 1884 u_int32_t val = bus_space_read_4(bktr->memt, bktr->memh, offset); 1885 bus_space_barrier(bktr->memt, bktr->memh, offset, 4, 1886 BUS_SPACE_BARRIER_READ); 1887 return val; 1888 } 1889 1890 void 1891 bktr_OUTB(struct bktr_softc *bktr, int offset, u_int8_t value) 1892 { 1893 bus_space_write_1(bktr->memt, bktr->memh, offset, value); 1894 bus_space_barrier(bktr->memt, bktr->memh, offset, 1, 1895 BUS_SPACE_BARRIER_WRITE); 1896 } 1897 1898 void 1899 bktr_OUTW(struct bktr_softc *bktr, int offset, u_int16_t value) 1900 { 1901 bus_space_write_2(bktr->memt, bktr->memh, offset, value); 1902 bus_space_barrier(bktr->memt, bktr->memh, offset, 2, 1903 BUS_SPACE_BARRIER_WRITE); 1904 } 1905 1906 void 1907 bktr_OUTL(struct bktr_softc *bktr, int offset, u_int32_t value) 1908 { 1909 bus_space_write_4(bktr->memt, bktr->memh, offset, value); 1910 bus_space_barrier(bktr->memt, bktr->memh, offset, 4, 1911 BUS_SPACE_BARRIER_WRITE); 1912 } 1913 1914 #endif /* __NetBSD__ */ 1915
Indexes created Thu Sep 25 16:09:42 GMT 2025