1 /* $SourceForge: bktr_os.c,v 1.5 2003/03/11 23:11:25 thomasklausner Exp $ */ 2 3 /* $NetBSD: bktr_os.c,v 1.62 2013/08/10 18:14:21 dholland 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 1.62 2013/08/10 18:14:21 dholland 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 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_int latency; 324 u_int fun; 325 u_int val; 326 unsigned int rev; 327 unsigned int unit; 328 int error = 0; 329 #ifdef BROOKTREE_IRQ 330 u_int 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 seldestroy(&bktr->vbi_select); 521 522 /* 523 * Deallocate resources. 524 */ 525 bus_teardown_intr(dev, bktr->res_irq, bktr->res_ih); 526 bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq); 527 bus_release_resource(dev, SYS_RES_MEMORY, bktr->mem_rid, bktr->res_mem); 528 529 return 0; 530 } 531 532 /* 533 * the shutdown routine. 534 */ 535 static int 536 bktr_shutdown(device_t dev) 537 { 538 struct bktr_softc *bktr = device_get_softc(dev); 539 540 /* Disable the brooktree device */ 541 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 542 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 543 544 return 0; 545 } 546 547 548 /* 549 * Special Memory Allocation 550 */ 551 vm_offset_t 552 get_bktr_mem(int unit, unsigned size) 553 { 554 vm_offset_t addr = 0; 555 556 addr = vm_page_alloc_contig(size, 0, 0xffffffff, 1<<24); 557 if (addr == 0) 558 addr = vm_page_alloc_contig(size, 0, 0xffffffff, PAGE_SIZE); 559 if (addr == 0) { 560 printf("bktr%d: Unable to allocate %d bytes of memory.\n", 561 unit, size); 562 } 563 564 return(addr); 565 } 566 567 568 /*--------------------------------------------------------- 569 ** 570 ** BrookTree 848 character device driver routines 571 ** 572 **--------------------------------------------------------- 573 */ 574 575 #define VIDEO_DEV 0x00 576 #define TUNER_DEV 0x01 577 #define VBI_DEV 0x02 578 579 #define UNIT(x) ((x) & 0x0f) 580 #define FUNCTION(x) (x >> 4) 581 582 /* 583 * 584 */ 585 int 586 bktr_open(dev_t dev, int flags, int fmt, struct lwp *l) 587 { 588 bktr_ptr_t bktr; 589 int unit; 590 int result; 591 592 unit = UNIT(minor(dev)); 593 594 /* Get the device data */ 595 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 596 if (bktr == NULL) { 597 /* the device is no longer valid/functioning */ 598 return (ENXIO); 599 } 600 601 if (!(bktr->flags & METEOR_INITIALIZED)) /* device not found */ 602 return(ENXIO); 603 604 /* Record that the device is now busy */ 605 device_busy(devclass_get_device(bktr_devclass, unit)); 606 607 608 if (bt848_card != -1) { 609 if ((bt848_card >> 8 == unit) && 610 ((bt848_card & 0xff) < Bt848_MAX_CARD)) { 611 if (bktr->bt848_card != (bt848_card & 0xff)) { 612 bktr->bt848_card = (bt848_card & 0xff); 613 probeCard(bktr, FALSE, unit); 614 } 615 } 616 } 617 618 if (bt848_tuner != -1) { 619 if ((bt848_tuner >> 8 == unit) && 620 ((bt848_tuner & 0xff) < Bt848_MAX_TUNER)) { 621 if (bktr->bt848_tuner != (bt848_tuner & 0xff)) { 622 bktr->bt848_tuner = (bt848_tuner & 0xff); 623 probeCard(bktr, FALSE, unit); 624 } 625 } 626 } 627 628 if (bt848_reverse_mute != -1) { 629 if ((bt848_reverse_mute >> 8) == unit) { 630 bktr->reverse_mute = bt848_reverse_mute & 0xff; 631 } 632 } 633 634 if (bt848_slow_msp_audio != -1) { 635 if ((bt848_slow_msp_audio >> 8) == unit) { 636 bktr->slow_msp_audio = (bt848_slow_msp_audio & 0xff); 637 } 638 } 639 640 switch (FUNCTION(minor(dev))) { 641 case VIDEO_DEV: 642 result = video_open(bktr); 643 break; 644 case TUNER_DEV: 645 result = tuner_open(bktr); 646 break; 647 case VBI_DEV: 648 result = vbi_open(bktr); 649 break; 650 default: 651 result = ENXIO; 652 break; 653 } 654 655 /* If there was an error opening the device, undo the busy status */ 656 if (result != 0) 657 device_unbusy(devclass_get_device(bktr_devclass, unit)); 658 return(result); 659 } 660 661 662 /* 663 * 664 */ 665 int 666 bktr_close(dev_t dev, int flags, int fmt, struct lwp *l) 667 { 668 bktr_ptr_t bktr; 669 int unit; 670 int result; 671 672 unit = UNIT(minor(dev)); 673 674 /* Get the device data */ 675 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 676 if (bktr == NULL) { 677 /* the device is no longer valid/functioning */ 678 return (ENXIO); 679 } 680 681 switch (FUNCTION(minor(dev))) { 682 case VIDEO_DEV: 683 result = video_close(bktr); 684 break; 685 case TUNER_DEV: 686 result = tuner_close(bktr); 687 break; 688 case VBI_DEV: 689 result = vbi_close(bktr); 690 break; 691 default: 692 return (ENXIO); 693 break; 694 } 695 696 device_unbusy(devclass_get_device(bktr_devclass, unit)); 697 return(result); 698 } 699 700 701 /* 702 * 703 */ 704 int 705 bktr_read(dev_t dev, struct uio *uio, int ioflag) 706 { 707 bktr_ptr_t bktr; 708 int unit; 709 710 unit = UNIT(minor(dev)); 711 712 /* Get the device data */ 713 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 714 if (bktr == NULL) { 715 /* the device is no longer valid/functioning */ 716 return (ENXIO); 717 } 718 719 switch (FUNCTION(minor(dev))) { 720 case VIDEO_DEV: 721 return(video_read(bktr, unit, dev, uio)); 722 case VBI_DEV: 723 return(vbi_read(bktr, uio, ioflag)); 724 } 725 return(ENXIO); 726 } 727 728 729 /* 730 * 731 */ 732 int 733 bktr_write(dev_t dev, struct uio *uio, int ioflag) 734 { 735 return(EINVAL); /* XXX or ENXIO ? */ 736 } 737 738 739 /* 740 * 741 */ 742 int 743 bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, void *arg, int flag, struct proc* pr) 744 { 745 bktr_ptr_t bktr; 746 int unit; 747 748 unit = UNIT(minor(dev)); 749 750 /* Get the device data */ 751 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 752 if (bktr == NULL) { 753 /* the device is no longer valid/functioning */ 754 return (ENXIO); 755 } 756 757 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 758 return(ENOMEM); 759 760 switch (FUNCTION(minor(dev))) { 761 case VIDEO_DEV: 762 return(video_ioctl(bktr, unit, cmd, arg, pr)); 763 case TUNER_DEV: 764 return(tuner_ioctl(bktr, unit, cmd, arg, pr)); 765 } 766 767 return(ENXIO); 768 } 769 770 771 /* 772 * 773 */ 774 int 775 bktr_mmap(dev_t dev, vm_offset_t offset, int nprot) 776 { 777 int unit; 778 bktr_ptr_t bktr; 779 780 unit = UNIT(minor(dev)); 781 782 if (FUNCTION(minor(dev)) > 0) /* only allow mmap on /dev/bktr[n] */ 783 return(-1); 784 785 /* Get the device data */ 786 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 787 if (bktr == NULL) { 788 /* the device is no longer valid/functioning */ 789 return (-1); 790 } 791 792 if (nprot & PROT_EXEC) 793 return(-1); 794 795 if (offset < 0) 796 return(-1); 797 798 if (offset >= bktr->alloc_pages * PAGE_SIZE) 799 return(-1); 800 801 return(atop(vtophys(bktr->bigbuf) + offset)); 802 } 803 804 int bktr_poll(dev_t dev, int events, struct lwp *l) 805 { 806 int unit; 807 bktr_ptr_t bktr; 808 int revents = 0; 809 DECLARE_INTR_MASK(s); 810 811 unit = UNIT(minor(dev)); 812 813 /* Get the device data */ 814 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 815 if (bktr == NULL) { 816 /* the device is no longer valid/functioning */ 817 return (ENXIO); 818 } 819 820 DISABLE_INTR(s); 821 822 if (events & (POLLIN | POLLRDNORM)) { 823 824 switch (FUNCTION(minor(dev))) { 825 case VBI_DEV: 826 if(bktr->vbisize == 0) 827 selrecord(p, &bktr->vbi_select); 828 else 829 revents |= events & (POLLIN | POLLRDNORM); 830 break; 831 } 832 } 833 834 ENABLE_INTR(s); 835 836 return (revents); 837 } 838 839 #endif /* FreeBSD 4.x specific kernel interface routines */ 840 841 /**********************************/ 842 /* *** FreeBSD 2.2.x and 3.x *** */ 843 /**********************************/ 844 845 #if ((__FreeBSD__ == 2) || (__FreeBSD__ == 3)) 846 847 static bktr_reg_t brooktree[NBKTR]; 848 849 static const char* bktr_probe(pcici_t tag, pcidi_t type); 850 static void bktr_attach(pcici_t tag, int unit); 851 static void bktr_intr(void *arg) { common_bktr_intr(arg); } 852 853 static u_int bktr_count; 854 855 static struct pci_device bktr_device = { 856 "bktr", 857 bktr_probe, 858 bktr_attach, 859 &bktr_count 860 }; 861 862 DATA_SET (pcidevice_set, bktr_device); 863 864 static d_open_t bktr_open; 865 static d_close_t bktr_close; 866 static d_read_t bktr_read; 867 static d_write_t bktr_write; 868 static d_ioctl_t bktr_ioctl; 869 static d_mmap_t bktr_mmap; 870 static d_poll_t bktr_poll; 871 872 #define CDEV_MAJOR 92 873 static struct cdevsw bktr_cdevsw = 874 { 875 bktr_open, bktr_close, bktr_read, bktr_write, 876 bktr_ioctl, nostop, nullreset, nodevtotty, 877 bktr_poll, bktr_mmap, NULL, "bktr", 878 NULL, -1 879 }; 880 881 static int bktr_devsw_installed; 882 883 static void 884 bktr_drvinit(void *unused) 885 { 886 dev_t dev; 887 888 if (! bktr_devsw_installed) { 889 dev = makedev(CDEV_MAJOR, 0); 890 cdevsw_add(&dev,&bktr_cdevsw, NULL); 891 bktr_devsw_installed = 1; 892 } 893 } 894 895 SYSINIT(bktrdev,SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR,bktr_drvinit,NULL) 896 897 /* 898 * the boot time probe routine. 899 */ 900 static const char* 901 bktr_probe(pcici_t tag, pcidi_t type) 902 { 903 unsigned int rev = pci_conf_read(tag, PCIR_REVID) & 0x000000ff; 904 905 if (PCI_VENDOR(type) == PCI_VENDOR_BROOKTREE) 906 { 907 switch (PCI_PRODUCT(type)) { 908 case PCI_PRODUCT_BROOKTREE_BT848: 909 if (rev == 0x12) return("BrookTree 848A"); 910 else return("BrookTree 848"); 911 case PCI_PRODUCT_BROOKTREE_BT849: 912 return("BrookTree 849A"); 913 case PCI_PRODUCT_BROOKTREE_BT878: 914 return("BrookTree 878"); 915 case PCI_PRODUCT_BROOKTREE_BT879: 916 return("BrookTree 879"); 917 } 918 }; 919 920 return ((char *)0); 921 } 922 923 /* 924 * the attach routine. 925 */ 926 static void 927 bktr_attach(pcici_t tag, int unit) 928 { 929 bktr_ptr_t bktr; 930 u_int latency; 931 u_int fun; 932 unsigned int rev; 933 unsigned long base; 934 #ifdef BROOKTREE_IRQ 935 u_int old_irq, new_irq; 936 #endif 937 938 bktr = &brooktree[unit]; 939 940 if (unit >= NBKTR) { 941 printf("brooktree%d: attach: only %d units configured.\n", 942 unit, NBKTR); 943 printf("brooktree%d: attach: invalid unit number.\n", unit); 944 return; 945 } 946 947 /* build the device name for bktr_name() */ 948 snprintf(bktr->bktr_xname, sizeof(bktr->bktr_xname), "bktr%d",unit); 949 950 /* Enable Memory Mapping */ 951 fun = pci_conf_read(tag, PCI_COMMAND_STATUS_REG); 952 pci_conf_write(tag, PCI_COMMAND_STATUS_REG, fun | 2); 953 954 /* Enable Bus Mastering */ 955 fun = pci_conf_read(tag, PCI_COMMAND_STATUS_REG); 956 pci_conf_write(tag, PCI_COMMAND_STATUS_REG, fun | 4); 957 958 bktr->tag = tag; 959 960 961 /* 962 * Map control/status registers 963 */ 964 pci_map_mem(tag, PCI_MAP_REG_START, (vm_offset_t *) &base, 965 &bktr->phys_base); 966 #if (__FreeBSD_version >= 300000) 967 bktr->memt = I386_BUS_SPACE_MEM; /* XXX should use proper bus space */ 968 bktr->memh = (bus_space_handle_t)base; /* XXX functions here */ 969 #endif 970 971 /* 972 * Disable the brooktree device 973 */ 974 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 975 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 976 977 #ifdef BROOKTREE_IRQ /* from the configuration file */ 978 old_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 979 pci_conf_write(tag, PCI_INTERRUPT_REG, BROOKTREE_IRQ); 980 new_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 981 printf("bktr%d: attach: irq changed from %d to %d\n", 982 unit, (old_irq & 0xff), (new_irq & 0xff)); 983 #endif 984 985 /* 986 * setup the interrupt handling routine 987 */ 988 pci_map_int(tag, bktr_intr, (void*) bktr, &tty_imask); 989 990 991 /* Update the Device Control Register */ 992 /* on Bt878 and Bt879 cards */ 993 fun = pci_conf_read(tag, 0x40); 994 fun = fun | 1; /* Enable writes to the sub-system vendor ID */ 995 996 #if defined(BKTR_430_FX_MODE) 997 if (bootverbose) printf("Using 430 FX chipset compatibility mode\n"); 998 fun = fun | 2; /* Enable Intel 430 FX compatibility mode */ 999 #endif 1000 1001 #if defined(BKTR_SIS_VIA_MODE) 1002 if (bootverbose) printf("Using SiS/VIA chipset compatibility mode\n"); 1003 fun = fun | 4; /* Enable SiS/VIA compatibility mode (useful for 1004 OPTi chipset motherboards too */ 1005 #endif 1006 pci_conf_write(tag, 0x40, fun); 1007 1008 1009 /* XXX call bt848_i2c dependent attach() routine */ 1010 #if defined(BKTR_USE_FREEBSD_SMBUS) 1011 if (bt848_i2c_attach(unit, bktr, &bktr->i2c_sc)) 1012 printf("bktr%d: i2c_attach: can't attach\n", unit); 1013 #endif 1014 1015 1016 /* 1017 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 1018 * you have more than four, then 16 would probably be a better value. 1019 */ 1020 #ifndef BROOKTREE_DEF_LATENCY_VALUE 1021 #define BROOKTREE_DEF_LATENCY_VALUE 10 1022 #endif 1023 latency = pci_conf_read(tag, PCI_LATENCY_TIMER); 1024 latency = (latency >> 8) & 0xff; 1025 if (bootverbose) { 1026 if (latency) 1027 printf("brooktree%d: PCI bus latency is", unit); 1028 else 1029 printf("brooktree%d: PCI bus latency was 0 changing to", 1030 unit); 1031 } 1032 if (!latency) { 1033 latency = BROOKTREE_DEF_LATENCY_VALUE; 1034 pci_conf_write(tag, PCI_LATENCY_TIMER, latency<<8); 1035 } 1036 if (bootverbose) { 1037 printf(" %d.\n", (int) latency); 1038 } 1039 1040 1041 /* read the pci device id and revision id */ 1042 fun = pci_conf_read(tag, PCI_ID_REG); 1043 rev = pci_conf_read(tag, PCIR_REVID) & 0x000000ff; 1044 1045 /* call the common attach code */ 1046 common_bktr_attach(bktr, unit, fun, rev); 1047 1048 } 1049 1050 1051 /* 1052 * Special Memory Allocation 1053 */ 1054 vm_offset_t 1055 get_bktr_mem(int unit, unsigned size) 1056 { 1057 vm_offset_t addr = 0; 1058 1059 addr = vm_page_alloc_contig(size, 0x100000, 0xffffffff, 1<<24); 1060 if (addr == 0) 1061 addr = vm_page_alloc_contig(size, 0x100000, 0xffffffff, 1062 PAGE_SIZE); 1063 if (addr == 0) { 1064 printf("bktr%d: Unable to allocate %d bytes of memory.\n", 1065 unit, size); 1066 } 1067 1068 return(addr); 1069 } 1070 1071 /*--------------------------------------------------------- 1072 ** 1073 ** BrookTree 848 character device driver routines 1074 ** 1075 **--------------------------------------------------------- 1076 */ 1077 1078 1079 #define VIDEO_DEV 0x00 1080 #define TUNER_DEV 0x01 1081 #define VBI_DEV 0x02 1082 1083 #define UNIT(x) ((x) & 0x0f) 1084 #define FUNCTION(x) ((x >> 4) & 0x0f) 1085 1086 1087 /* 1088 * 1089 */ 1090 int 1091 bktr_open(dev_t dev, int flags, int fmt, struct lwp *l) 1092 { 1093 bktr_ptr_t bktr; 1094 int unit; 1095 1096 unit = UNIT(minor(dev)); 1097 if (unit >= NBKTR) /* unit out of range */ 1098 return(ENXIO); 1099 1100 bktr = &(brooktree[unit]); 1101 1102 if (!(bktr->flags & METEOR_INITIALIZED)) /* device not found */ 1103 return(ENXIO); 1104 1105 1106 if (bt848_card != -1) { 1107 if ((bt848_card >> 8 == unit) && 1108 ((bt848_card & 0xff) < Bt848_MAX_CARD)) { 1109 if (bktr->bt848_card != (bt848_card & 0xff)) { 1110 bktr->bt848_card = (bt848_card & 0xff); 1111 probeCard(bktr, FALSE, unit); 1112 } 1113 } 1114 } 1115 1116 if (bt848_tuner != -1) { 1117 if ((bt848_tuner >> 8 == unit) && 1118 ((bt848_tuner & 0xff) < Bt848_MAX_TUNER)) { 1119 if (bktr->bt848_tuner != (bt848_tuner & 0xff)) { 1120 bktr->bt848_tuner = (bt848_tuner & 0xff); 1121 probeCard(bktr, FALSE, unit); 1122 } 1123 } 1124 } 1125 1126 if (bt848_reverse_mute != -1) { 1127 if ((bt848_reverse_mute >> 8) == unit) { 1128 bktr->reverse_mute = bt848_reverse_mute & 0xff; 1129 } 1130 } 1131 1132 if (bt848_slow_msp_audio != -1) { 1133 if ((bt848_slow_msp_audio >> 8) == unit) { 1134 bktr->slow_msp_audio = (bt848_slow_msp_audio & 0xff); 1135 } 1136 } 1137 1138 switch (FUNCTION(minor(dev))) { 1139 case VIDEO_DEV: 1140 return(video_open(bktr)); 1141 case TUNER_DEV: 1142 return(tuner_open(bktr)); 1143 case VBI_DEV: 1144 return(vbi_open(bktr)); 1145 } 1146 return(ENXIO); 1147 } 1148 1149 1150 /* 1151 * 1152 */ 1153 int 1154 bktr_close(dev_t dev, int flags, int fmt, struct lwp *l) 1155 { 1156 bktr_ptr_t bktr; 1157 int unit; 1158 1159 unit = UNIT(minor(dev)); 1160 if (unit >= NBKTR) /* unit out of range */ 1161 return(ENXIO); 1162 1163 bktr = &(brooktree[unit]); 1164 1165 switch (FUNCTION(minor(dev))) { 1166 case VIDEO_DEV: 1167 return(video_close(bktr)); 1168 case TUNER_DEV: 1169 return(tuner_close(bktr)); 1170 case VBI_DEV: 1171 return(vbi_close(bktr)); 1172 } 1173 1174 return(ENXIO); 1175 } 1176 1177 /* 1178 * 1179 */ 1180 int 1181 bktr_read(dev_t dev, struct uio *uio, int ioflag) 1182 { 1183 bktr_ptr_t bktr; 1184 int unit; 1185 1186 unit = UNIT(minor(dev)); 1187 if (unit >= NBKTR) /* unit out of range */ 1188 return(ENXIO); 1189 1190 bktr = &(brooktree[unit]); 1191 1192 switch (FUNCTION(minor(dev))) { 1193 case VIDEO_DEV: 1194 return(video_read(bktr, unit, dev, uio)); 1195 case VBI_DEV: 1196 return(vbi_read(bktr, uio, ioflag)); 1197 } 1198 return(ENXIO); 1199 } 1200 1201 1202 /* 1203 * 1204 */ 1205 int 1206 bktr_write(dev_t dev, struct uio *uio, int ioflag) 1207 { 1208 return(EINVAL); /* XXX or ENXIO ? */ 1209 } 1210 1211 /* 1212 * 1213 */ 1214 int 1215 bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, void *arg, int flag, struct proc* pr) 1216 { 1217 bktr_ptr_t bktr; 1218 int unit; 1219 1220 unit = UNIT(minor(dev)); 1221 if (unit >= NBKTR) /* unit out of range */ 1222 return(ENXIO); 1223 1224 bktr = &(brooktree[unit]); 1225 1226 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 1227 return(ENOMEM); 1228 1229 switch (FUNCTION(minor(dev))) { 1230 case VIDEO_DEV: 1231 return(video_ioctl(bktr, unit, cmd, arg, pr)); 1232 case TUNER_DEV: 1233 return(tuner_ioctl(bktr, unit, cmd, arg, pr)); 1234 } 1235 1236 return(ENXIO); 1237 } 1238 1239 /* 1240 * bktr_mmap. 1241 * Note: 2.2.5/2.2.6/2.2.7/3.0 users must manually 1242 * edit the line below and change "vm_offset_t" to "int" 1243 */ 1244 int bktr_mmap(dev_t dev, vm_offset_t offset, int nprot) 1245 1246 { 1247 int unit; 1248 bktr_ptr_t bktr; 1249 1250 unit = UNIT(minor(dev)); 1251 1252 if (unit >= NBKTR || FUNCTION(minor(dev)) > 0) 1253 return(-1); 1254 1255 bktr = &(brooktree[unit]); 1256 1257 if (nprot & PROT_EXEC) 1258 return(-1); 1259 1260 if (offset < 0) 1261 return(-1); 1262 1263 if (offset >= bktr->alloc_pages * PAGE_SIZE) 1264 return(-1); 1265 1266 return(i386_btop(vtophys(bktr->bigbuf) + offset)); 1267 } 1268 1269 int bktr_poll(dev_t dev, int events, struct lwp *l) 1270 { 1271 int unit; 1272 bktr_ptr_t bktr; 1273 int revents = 0; 1274 1275 unit = UNIT(minor(dev)); 1276 1277 if (unit >= NBKTR) 1278 return(-1); 1279 1280 bktr = &(brooktree[unit]); 1281 1282 disable_intr(); 1283 1284 if (events & (POLLIN | POLLRDNORM)) { 1285 1286 switch (FUNCTION(minor(dev))) { 1287 case VBI_DEV: 1288 if(bktr->vbisize == 0) 1289 selrecord(p, &bktr->vbi_select); 1290 else 1291 revents |= events & (POLLIN | POLLRDNORM); 1292 break; 1293 } 1294 } 1295 1296 enable_intr(); 1297 1298 return (revents); 1299 } 1300 1301 1302 #endif /* FreeBSD 2.2.x and 3.x specific kernel interface routines */ 1303 1304 1305 /*****************/ 1306 /* *** BSDI *** */ 1307 /*****************/ 1308 1309 #if defined(__bsdi__) 1310 #endif /* __bsdi__ BSDI specific kernel interface routines */ 1311 1312 1313 /*****************************/ 1314 /* *** OpenBSD / NetBSD *** */ 1315 /*****************************/ 1316 #if defined(__NetBSD__) || defined(__OpenBSD__) 1317 1318 #define IPL_VIDEO IPL_BIO /* XXX */ 1319 1320 static int bktr_intr(void *arg) { return common_bktr_intr(arg); } 1321 1322 #if defined(__OpenBSD__) 1323 #define bktr_open bktropen 1324 #define bktr_close bktrclose 1325 #define bktr_read bktrread 1326 #define bktr_write bktrwrite 1327 #define bktr_ioctl bktrioctl 1328 #define bktr_mmap bktrmmap 1329 1330 static int bktr_probe(struct device *, void *, void *); 1331 #else 1332 static int bktr_probe(device_t, cfdata_t, void *); 1333 #endif 1334 static void bktr_attach(device_t, device_t, void *); 1335 1336 CFATTACH_DECL_NEW(bktr, sizeof(struct bktr_softc), 1337 bktr_probe, bktr_attach, NULL, NULL); 1338 1339 #if defined(__NetBSD__) 1340 extern struct cfdriver bktr_cd; 1341 #else 1342 struct cfdriver bktr_cd = { 1343 NULL, "bktr", DV_DULL 1344 }; 1345 #endif 1346 1347 1348 #if NRADIO > 0 1349 /* for radio(4) */ 1350 int bktr_get_info(void *, struct radio_info *); 1351 int bktr_set_info(void *, struct radio_info *); 1352 1353 static struct radio_hw_if bktr_hw_if = { 1354 NULL, /* open */ 1355 NULL, /* close */ 1356 bktr_get_info, 1357 bktr_set_info, 1358 NULL /* search */ 1359 }; 1360 #endif 1361 1362 int 1363 bktr_probe(device_t parent, cfdata_t match, 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(device_t parent, device_t self, void *aux) 1383 { 1384 bktr_ptr_t bktr; 1385 u_int latency; 1386 1387 #if defined(__OpenBSD__) 1388 u_int 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, device_xname(bktr->bktr_dev)); 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 = device_private(self); 1453 bktr->bktr_dev = self; 1454 unit = device_unit(bktr->bktr_dev); 1455 bktr->dmat = pa->pa_dmat; 1456 1457 printf("\n"); 1458 1459 /* Enable Bus Master 1460 XXX: check if all old DMA is stopped first (e.g. after warm 1461 boot) */ 1462 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 1463 command |= PCI_COMMAND_MASTER_ENABLE; 1464 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command); 1465 1466 /* 1467 * map memory 1468 */ 1469 retval = pci_mapreg_map(pa, PCI_MAPREG_START, 1470 PCI_MAPREG_TYPE_MEM 1471 | PCI_MAPREG_MEM_TYPE_32BIT, 0, 1472 &bktr->memt, &bktr->memh, NULL, 1473 &bktr->obmemsz); 1474 DPR(("pci_mapreg_map: size %lx\n", 1475 (unsigned long)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_ptr_t bktr, bus_dmamap_t *dmapp, unsigned int size) 1553 { 1554 bus_dma_tag_t dmat = bktr->dmat; 1555 bus_dma_segment_t seg; 1556 bus_size_t align; 1557 int rseg; 1558 void *kva; 1559 1560 /* 1561 * Allocate a DMA area 1562 */ 1563 align = 1 << 24; 1564 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, 1565 &rseg, BUS_DMA_NOWAIT)) { 1566 align = PAGE_SIZE; 1567 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, 1568 &rseg, BUS_DMA_NOWAIT)) { 1569 printf("%s: Unable to dmamem_alloc of %d bytes\n", 1570 bktr_name(bktr), size); 1571 return 0; 1572 } 1573 } 1574 if (bus_dmamem_map(dmat, &seg, rseg, size, 1575 &kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) { 1576 printf("%s: Unable to dmamem_map of %d bytes\n", 1577 bktr_name(bktr), size); 1578 bus_dmamem_free(dmat, &seg, rseg); 1579 return 0; 1580 } 1581 #ifdef __OpenBSD__ 1582 bktr->dm_mapsize = size; 1583 #endif 1584 /* 1585 * Create and locd the DMA map for the DMA area 1586 */ 1587 if (bus_dmamap_create(dmat, size, 1, size, 0, BUS_DMA_NOWAIT, dmapp)) { 1588 printf("%s: Unable to dmamap_create of %d bytes\n", 1589 bktr_name(bktr), size); 1590 bus_dmamem_unmap(dmat, kva, size); 1591 bus_dmamem_free(dmat, &seg, rseg); 1592 return 0; 1593 } 1594 if (bus_dmamap_load(dmat, *dmapp, kva, size, NULL, BUS_DMA_NOWAIT)) { 1595 printf("%s: Unable to dmamap_load of %d bytes\n", 1596 bktr_name(bktr), size); 1597 bus_dmamem_unmap(dmat, kva, size); 1598 bus_dmamem_free(dmat, &seg, rseg); 1599 bus_dmamap_destroy(dmat, *dmapp); 1600 return 0; 1601 } 1602 #if defined(__NetBSD__) 1603 return (vaddr_t)kva; 1604 #else 1605 return (vm_offset_t)kva; 1606 #endif 1607 } 1608 1609 void 1610 free_bktr_mem(bktr_ptr_t bktr, bus_dmamap_t dmap, vaddr_t kva) 1611 { 1612 bus_dma_tag_t dmat = bktr->dmat; 1613 1614 #ifdef __NetBSD__ 1615 bus_dmamem_unmap(dmat, (void *)kva, dmap->dm_mapsize); 1616 #else 1617 bus_dmamem_unmap(dmat, (void *)kva, bktr->dm_mapsize); 1618 #endif 1619 bus_dmamem_free(dmat, dmap->dm_segs, 1); 1620 bus_dmamap_destroy(dmat, dmap); 1621 } 1622 1623 1624 /*--------------------------------------------------------- 1625 ** 1626 ** BrookTree 848 character device driver routines 1627 ** 1628 **--------------------------------------------------------- 1629 */ 1630 1631 1632 #define VIDEO_DEV 0x00 1633 #define TUNER_DEV 0x01 1634 #define VBI_DEV 0x02 1635 1636 #define UNIT(x) (minor((x) & 0x0f)) 1637 #define FUNCTION(x) (minor((x >> 4) & 0x0f)) 1638 1639 /* 1640 * 1641 */ 1642 int 1643 bktr_open(dev_t dev, int flags, int fmt, 1644 struct lwp *l) 1645 { 1646 bktr_ptr_t bktr; 1647 int unit; 1648 1649 unit = UNIT(dev); 1650 1651 /* unit out of range */ 1652 bktr = device_lookup_private(&bktr_cd, unit); 1653 if (bktr == NULL) 1654 return(ENXIO); 1655 1656 if (!(bktr->flags & METEOR_INITIALIZED)) /* device not found */ 1657 return(ENXIO); 1658 1659 switch (FUNCTION(dev)) { 1660 case VIDEO_DEV: 1661 return(video_open(bktr)); 1662 case TUNER_DEV: 1663 return(tuner_open(bktr)); 1664 case VBI_DEV: 1665 return(vbi_open(bktr)); 1666 } 1667 1668 return(ENXIO); 1669 } 1670 1671 1672 /* 1673 * 1674 */ 1675 int 1676 bktr_close(dev_t dev, int flags, int fmt, 1677 struct lwp *l) 1678 { 1679 bktr_ptr_t bktr; 1680 int unit; 1681 1682 unit = UNIT(dev); 1683 1684 bktr = device_lookup_private(&bktr_cd, unit); 1685 1686 switch (FUNCTION(dev)) { 1687 case VIDEO_DEV: 1688 return(video_close(bktr)); 1689 case TUNER_DEV: 1690 return(tuner_close(bktr)); 1691 case VBI_DEV: 1692 return(vbi_close(bktr)); 1693 } 1694 1695 return(ENXIO); 1696 } 1697 1698 /* 1699 * 1700 */ 1701 int 1702 bktr_read(dev_t dev, struct uio *uio, int ioflag) 1703 { 1704 bktr_ptr_t bktr; 1705 int unit; 1706 1707 unit = UNIT(dev); 1708 1709 bktr = device_lookup_private(&bktr_cd, unit); 1710 1711 switch (FUNCTION(dev)) { 1712 case VIDEO_DEV: 1713 return(video_read(bktr, unit, dev, uio)); 1714 case VBI_DEV: 1715 return(vbi_read(bktr, uio, ioflag)); 1716 } 1717 1718 return(ENXIO); 1719 } 1720 1721 1722 /* 1723 * 1724 */ 1725 int 1726 bktr_write(dev_t dev, struct uio *uio, int ioflag) 1727 { 1728 /* operation not supported */ 1729 return(EOPNOTSUPP); 1730 } 1731 1732 /* 1733 * 1734 */ 1735 int 1736 bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, void *arg, int flag, 1737 struct lwp *l) 1738 { 1739 bktr_ptr_t bktr; 1740 int unit; 1741 1742 unit = UNIT(dev); 1743 1744 bktr = device_lookup_private(&bktr_cd, unit); 1745 1746 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 1747 return(ENOMEM); 1748 1749 switch (FUNCTION(dev)) { 1750 case VIDEO_DEV: 1751 return(video_ioctl(bktr, unit, cmd, arg, l)); 1752 case TUNER_DEV: 1753 return(tuner_ioctl(bktr, unit, cmd, arg, l)); 1754 } 1755 1756 return(ENXIO); 1757 } 1758 1759 /* 1760 * 1761 */ 1762 paddr_t 1763 bktr_mmap(dev_t dev, off_t offset, int nprot) 1764 { 1765 int unit; 1766 bktr_ptr_t bktr; 1767 1768 unit = UNIT(dev); 1769 1770 if (FUNCTION(dev) > 0) /* only allow mmap on /dev/bktr[n] */ 1771 return(-1); 1772 1773 bktr = device_lookup_private(&bktr_cd, unit); 1774 1775 if ((vaddr_t)offset >= bktr->alloc_pages * PAGE_SIZE) 1776 return(-1); 1777 1778 #ifdef __NetBSD__ 1779 return (bus_dmamem_mmap(bktr->dmat, bktr->dm_mem->dm_segs, 1, 1780 (vaddr_t)offset, nprot, BUS_DMA_WAITOK)); 1781 #else 1782 return(i386_btop(vtophys(bktr->bigbuf) + offset)); 1783 #endif 1784 } 1785 1786 #if NRADIO > 0 1787 int 1788 bktr_set_info(void *v, struct radio_info *ri) 1789 { 1790 struct bktr_softc *sc = v; 1791 u_int32_t freq; 1792 1793 if (ri->mute) { 1794 /* mute the audio stream by switching the mux */ 1795 set_audio(sc, AUDIO_MUTE); 1796 1797 /* disable drivers on the GPIO port that controls the MUXes */ 1798 OUTL(sc, BKTR_GPIO_OUT_EN, INL(sc, BKTR_GPIO_OUT_EN) & 1799 ~sc->card.gpio_mux_bits); 1800 } else { 1801 /* enable drivers on the GPIO port that controls the MUXes */ 1802 OUTL(sc, BKTR_GPIO_OUT_EN, INL(sc, BKTR_GPIO_OUT_EN) | 1803 sc->card.gpio_mux_bits); 1804 1805 /* unmute the audio stream */ 1806 set_audio(sc, AUDIO_UNMUTE); 1807 init_audio_devices(sc); 1808 } 1809 1810 freq = ri->freq / 10; 1811 set_audio(sc, AUDIO_INTERN); /* use internal audio */ 1812 temp_mute(sc, TRUE); 1813 ri->freq = tv_freq(sc, freq, FM_RADIO_FREQUENCY) * 10; 1814 temp_mute(sc, FALSE); 1815 1816 return (0); 1817 } 1818 1819 int 1820 bktr_get_info(void *v, struct radio_info *ri) 1821 { 1822 struct bktr_softc *sc = v; 1823 struct TVTUNER *tv = &sc->tuner; 1824 int status; 1825 1826 status = get_tuner_status(sc); 1827 1828 #define STATUSBIT_STEREO 0x10 1829 ri->mute = (int)sc->audio_mute_state ? 1 : 0; 1830 ri->stereo = (status & STATUSBIT_STEREO) ? 1 : 0; 1831 ri->caps = RADIO_CAPS_DETECT_STEREO | RADIO_CAPS_HW_AFC; 1832 ri->freq = tv->frequency * 10; 1833 ri->info = (status & STATUSBIT_STEREO) ? RADIO_INFO_STEREO : 0; 1834 #undef STATUSBIT_STEREO 1835 1836 /* not yet supported */ 1837 ri->volume = ri->rfreq = ri->lock = 0; 1838 1839 return (0); 1840 } 1841 #endif 1842 1843 1844 1845 #endif /* __NetBSD__ || __OpenBSD__ */ 1846 1847 #if defined(__NetBSD__) 1848 1849 u_int8_t 1850 bktr_INB(struct bktr_softc *bktr, int offset) 1851 { 1852 u_int8_t val = bus_space_read_1(bktr->memt, bktr->memh, offset); 1853 bus_space_barrier(bktr->memt, bktr->memh, offset, 1, 1854 BUS_SPACE_BARRIER_READ); 1855 return val; 1856 } 1857 1858 u_int16_t 1859 bktr_INW(struct bktr_softc *bktr, int offset) 1860 { 1861 u_int16_t val = bus_space_read_2(bktr->memt, bktr->memh, offset); 1862 bus_space_barrier(bktr->memt, bktr->memh, offset, 2, 1863 BUS_SPACE_BARRIER_READ); 1864 return val; 1865 } 1866 1867 u_int32_t 1868 bktr_INL(struct bktr_softc *bktr, int offset) 1869 { 1870 u_int32_t val = bus_space_read_4(bktr->memt, bktr->memh, offset); 1871 bus_space_barrier(bktr->memt, bktr->memh, offset, 4, 1872 BUS_SPACE_BARRIER_READ); 1873 return val; 1874 } 1875 1876 void 1877 bktr_OUTB(struct bktr_softc *bktr, int offset, u_int8_t value) 1878 { 1879 bus_space_write_1(bktr->memt, bktr->memh, offset, value); 1880 bus_space_barrier(bktr->memt, bktr->memh, offset, 1, 1881 BUS_SPACE_BARRIER_WRITE); 1882 } 1883 1884 void 1885 bktr_OUTW(struct bktr_softc *bktr, int offset, u_int16_t value) 1886 { 1887 bus_space_write_2(bktr->memt, bktr->memh, offset, value); 1888 bus_space_barrier(bktr->memt, bktr->memh, offset, 2, 1889 BUS_SPACE_BARRIER_WRITE); 1890 } 1891 1892 void 1893 bktr_OUTL(struct bktr_softc *bktr, int offset, u_int32_t value) 1894 { 1895 bus_space_write_4(bktr->memt, bktr->memh, offset, value); 1896 bus_space_barrier(bktr->memt, bktr->memh, offset, 4, 1897 BUS_SPACE_BARRIER_WRITE); 1898 } 1899 1900 #endif /* __NetBSD__ */ 1901