bktr_os.c revision 130585
1/*- 2 * 1. Redistributions of source code must retain the 3 * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Amancio Hasty and 17 * Roger Hardiman 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 24 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 25 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 27 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 29 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 30 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34#include <sys/cdefs.h> 35__FBSDID("$FreeBSD: head/sys/dev/bktr/bktr_os.c 130585 2004-06-16 09:47:26Z phk $"); 36 37/* 38 * This is part of the Driver for Video Capture Cards (Frame grabbers) 39 * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879 40 * chipset. 41 * Copyright Roger Hardiman and Amancio Hasty. 42 * 43 * bktr_os : This has all the Operating System dependant code, 44 * probe/attach and open/close/ioctl/read/mmap 45 * memory allocation 46 * PCI bus interfacing 47 */ 48 49#include "opt_bktr.h" /* include any kernel config options */ 50 51#define FIFO_RISC_DISABLED 0 52#define ALL_INTS_DISABLED 0 53 54 55/*******************/ 56/* *** FreeBSD *** */ 57/*******************/ 58#ifdef __FreeBSD__ 59 60#include <sys/param.h> 61#include <sys/systm.h> 62#include <sys/conf.h> 63#include <sys/uio.h> 64#include <sys/kernel.h> 65#include <sys/module.h> 66#include <sys/signalvar.h> 67#include <sys/malloc.h> 68#include <sys/mman.h> 69#include <sys/poll.h> 70#if __FreeBSD_version >= 500014 71#include <sys/selinfo.h> 72#else 73#include <sys/select.h> 74#endif 75#include <sys/vnode.h> 76 77#include <vm/vm.h> 78#include <vm/vm_kern.h> 79#include <vm/pmap.h> 80#include <vm/vm_extern.h> 81 82#if (__FreeBSD_version >=400000) 83#include <sys/bus.h> /* used by smbus and newbus */ 84#endif 85 86#if (__FreeBSD_version >=300000) 87#include <machine/bus_memio.h> /* used by bus space */ 88#include <machine/bus.h> /* used by bus space and newbus */ 89#include <sys/bus.h> 90#endif 91 92#if (__FreeBSD_version >=400000) 93#include <sys/rman.h> /* used by newbus */ 94#include <machine/resource.h> /* used by newbus */ 95#endif 96 97#if (__FreeBSD_version < 500000) 98#include <machine/clock.h> /* for DELAY */ 99#include <pci/pcivar.h> 100#include <pci/pcireg.h> 101#else 102#include <dev/pci/pcivar.h> 103#include <dev/pci/pcireg.h> 104#endif 105 106#include <sys/sysctl.h> 107int bt848_card = -1; 108int bt848_tuner = -1; 109int bt848_reverse_mute = -1; 110int bt848_format = -1; 111int bt848_slow_msp_audio = -1; 112#ifdef BKTR_NEW_MSP34XX_DRIVER 113int bt848_stereo_once = 0; /* no continuous stereo monitoring */ 114int bt848_amsound = 0; /* hard-wire AM sound at 6.5 Hz (france), 115 the autoscan seems work well only with FM... */ 116int bt848_dolby = 0; 117#endif 118 119SYSCTL_NODE(_hw, OID_AUTO, bt848, CTLFLAG_RW, 0, "Bt848 Driver mgmt"); 120SYSCTL_INT(_hw_bt848, OID_AUTO, card, CTLFLAG_RW, &bt848_card, -1, ""); 121SYSCTL_INT(_hw_bt848, OID_AUTO, tuner, CTLFLAG_RW, &bt848_tuner, -1, ""); 122SYSCTL_INT(_hw_bt848, OID_AUTO, reverse_mute, CTLFLAG_RW, &bt848_reverse_mute, -1, ""); 123SYSCTL_INT(_hw_bt848, OID_AUTO, format, CTLFLAG_RW, &bt848_format, -1, ""); 124SYSCTL_INT(_hw_bt848, OID_AUTO, slow_msp_audio, CTLFLAG_RW, &bt848_slow_msp_audio, -1, ""); 125#ifdef BKTR_NEW_MSP34XX_DRIVER 126SYSCTL_INT(_hw_bt848, OID_AUTO, stereo_once, CTLFLAG_RW, &bt848_stereo_once, 0, ""); 127SYSCTL_INT(_hw_bt848, OID_AUTO, amsound, CTLFLAG_RW, &bt848_amsound, 0, ""); 128SYSCTL_INT(_hw_bt848, OID_AUTO, dolby, CTLFLAG_RW, &bt848_dolby, 0, ""); 129#endif 130 131#endif /* end freebsd section */ 132 133 134 135/****************/ 136/* *** BSDI *** */ 137/****************/ 138#ifdef __bsdi__ 139#endif /* __bsdi__ */ 140 141 142/**************************/ 143/* *** OpenBSD/NetBSD *** */ 144/**************************/ 145#if defined(__NetBSD__) || defined(__OpenBSD__) 146 147#include <sys/param.h> 148#include <sys/systm.h> 149#include <sys/conf.h> 150#include <sys/uio.h> 151#include <sys/kernel.h> 152#include <sys/signalvar.h> 153#include <sys/mman.h> 154#include <sys/poll.h> 155#include <sys/select.h> 156#include <sys/vnode.h> 157 158#include <vm/vm.h> 159 160#ifndef __NetBSD__ 161#include <vm/vm_kern.h> 162#include <vm/pmap.h> 163#include <vm/vm_extern.h> 164#endif 165 166#include <sys/device.h> 167#include <dev/pci/pcivar.h> 168#include <dev/pci/pcireg.h> 169#include <dev/pci/pcidevs.h> 170 171#define BKTR_DEBUG 172#ifdef BKTR_DEBUG 173int bktr_debug = 0; 174#define DPR(x) (bktr_debug ? printf x : 0) 175#else 176#define DPR(x) 177#endif 178#endif /* __NetBSD__ || __OpenBSD__ */ 179 180 181#ifdef __NetBSD__ 182#include <dev/ic/bt8xx.h> /* NetBSD location for .h files */ 183#include <dev/pci/bktr/bktr_reg.h> 184#include <dev/pci/bktr/bktr_tuner.h> 185#include <dev/pci/bktr/bktr_card.h> 186#include <dev/pci/bktr/bktr_audio.h> 187#include <dev/pci/bktr/bktr_core.h> 188#include <dev/pci/bktr/bktr_os.h> 189#else /* Traditional location for .h files */ 190#include <dev/bktr/ioctl_meteor.h> 191#include <dev/bktr/ioctl_bt848.h> /* extensions to ioctl_meteor.h */ 192#include <dev/bktr/bktr_reg.h> 193#include <dev/bktr/bktr_tuner.h> 194#include <dev/bktr/bktr_card.h> 195#include <dev/bktr/bktr_audio.h> 196#include <dev/bktr/bktr_core.h> 197#include <dev/bktr/bktr_os.h> 198 199#if defined(BKTR_USE_FREEBSD_SMBUS) 200#include <dev/bktr/bktr_i2c.h> 201 202#include "iicbb_if.h" 203#include "smbus_if.h" 204#endif 205#endif 206 207 208/****************************/ 209/* *** FreeBSD 4.x code *** */ 210/****************************/ 211#if (__FreeBSD_version >= 400000) 212 213static int bktr_probe( device_t dev ); 214static int bktr_attach( device_t dev ); 215static int bktr_detach( device_t dev ); 216static int bktr_shutdown( device_t dev ); 217static void bktr_intr(void *arg) { common_bktr_intr(arg); } 218 219static device_method_t bktr_methods[] = { 220 /* Device interface */ 221 DEVMETHOD(device_probe, bktr_probe), 222 DEVMETHOD(device_attach, bktr_attach), 223 DEVMETHOD(device_detach, bktr_detach), 224 DEVMETHOD(device_shutdown, bktr_shutdown), 225 226#if defined(BKTR_USE_FREEBSD_SMBUS) 227 /* iicbb interface */ 228 DEVMETHOD(iicbb_callback, bti2c_iic_callback), 229 DEVMETHOD(iicbb_setsda, bti2c_iic_setsda), 230 DEVMETHOD(iicbb_setscl, bti2c_iic_setscl), 231 DEVMETHOD(iicbb_getsda, bti2c_iic_getsda), 232 DEVMETHOD(iicbb_getscl, bti2c_iic_getscl), 233 DEVMETHOD(iicbb_reset, bti2c_iic_reset), 234 235 /* smbus interface */ 236 DEVMETHOD(smbus_callback, bti2c_smb_callback), 237 DEVMETHOD(smbus_writeb, bti2c_smb_writeb), 238 DEVMETHOD(smbus_writew, bti2c_smb_writew), 239 DEVMETHOD(smbus_readb, bti2c_smb_readb), 240#endif 241 242 { 0, 0 } 243}; 244 245static driver_t bktr_driver = { 246 "bktr", 247 bktr_methods, 248 sizeof(struct bktr_softc), 249}; 250 251static devclass_t bktr_devclass; 252 253static d_open_t bktr_open; 254static d_close_t bktr_close; 255static d_read_t bktr_read; 256static d_write_t bktr_write; 257static d_ioctl_t bktr_ioctl; 258static d_mmap_t bktr_mmap; 259static d_poll_t bktr_poll; 260 261static struct cdevsw bktr_cdevsw = { 262 .d_version = D_VERSION, 263 .d_flags = D_NEEDGIANT, 264 .d_open = bktr_open, 265 .d_close = bktr_close, 266 .d_read = bktr_read, 267 .d_write = bktr_write, 268 .d_ioctl = bktr_ioctl, 269 .d_poll = bktr_poll, 270 .d_mmap = bktr_mmap, 271 .d_name = "bktr", 272}; 273 274DRIVER_MODULE(bktr, pci, bktr_driver, bktr_devclass, 0, 0); 275#if (__FreeBSD_version > 410000) 276MODULE_DEPEND(bktr, bktr_mem, 1,1,1); 277MODULE_VERSION(bktr, 1); 278#endif 279 280 281/* 282 * the boot time probe routine. 283 */ 284static int 285bktr_probe( device_t dev ) 286{ 287 unsigned int type = pci_get_devid(dev); 288 unsigned int rev = pci_get_revid(dev); 289 290 if (PCI_VENDOR(type) == PCI_VENDOR_BROOKTREE) 291 { 292 switch (PCI_PRODUCT(type)) { 293 case PCI_PRODUCT_BROOKTREE_BT848: 294 if (rev == 0x12) 295 device_set_desc(dev, "BrookTree 848A"); 296 else 297 device_set_desc(dev, "BrookTree 848"); 298 return 0; 299 case PCI_PRODUCT_BROOKTREE_BT849: 300 device_set_desc(dev, "BrookTree 849A"); 301 return 0; 302 case PCI_PRODUCT_BROOKTREE_BT878: 303 device_set_desc(dev, "BrookTree 878"); 304 return 0; 305 case PCI_PRODUCT_BROOKTREE_BT879: 306 device_set_desc(dev, "BrookTree 879"); 307 return 0; 308 } 309 }; 310 311 return ENXIO; 312} 313 314 315/* 316 * the attach routine. 317 */ 318static int 319bktr_attach( device_t dev ) 320{ 321 u_long latency; 322 u_long fun; 323 u_long val; 324 unsigned int rev; 325 unsigned int unit; 326 int error = 0; 327#ifdef BROOKTREE_IRQ 328 u_long old_irq, new_irq; 329#endif 330 331 struct bktr_softc *bktr = device_get_softc(dev); 332 333 unit = device_get_unit(dev); 334 335 /* build the device name for bktr_name() */ 336 snprintf(bktr->bktr_xname, sizeof(bktr->bktr_xname), "bktr%d",unit); 337 338 /* 339 * Enable bus mastering and Memory Mapped device 340 */ 341 val = pci_read_config(dev, PCIR_COMMAND, 4); 342 val |= (PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN); 343 pci_write_config(dev, PCIR_COMMAND, val, 4); 344 345 /* 346 * Map control/status registers. 347 */ 348 bktr->mem_rid = PCIR_BAR(0); 349 bktr->res_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 350 &bktr->mem_rid, RF_ACTIVE); 351 352 if (!bktr->res_mem) { 353 device_printf(dev, "could not map memory\n"); 354 error = ENXIO; 355 goto fail; 356 } 357 bktr->memt = rman_get_bustag(bktr->res_mem); 358 bktr->memh = rman_get_bushandle(bktr->res_mem); 359 360 361 /* 362 * Disable the brooktree device 363 */ 364 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 365 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 366 367 368#ifdef BROOKTREE_IRQ /* from the configuration file */ 369 old_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 370 pci_conf_write(tag, PCI_INTERRUPT_REG, BROOKTREE_IRQ); 371 new_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 372 printf("bktr%d: attach: irq changed from %d to %d\n", 373 unit, (old_irq & 0xff), (new_irq & 0xff)); 374#endif 375 376 /* 377 * Allocate our interrupt. 378 */ 379 bktr->irq_rid = 0; 380 bktr->res_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 381 &bktr->irq_rid, RF_SHAREABLE | RF_ACTIVE); 382 if (bktr->res_irq == NULL) { 383 device_printf(dev, "could not map interrupt\n"); 384 error = ENXIO; 385 goto fail; 386 } 387 388 error = bus_setup_intr(dev, bktr->res_irq, INTR_TYPE_TTY, 389 bktr_intr, bktr, &bktr->res_ih); 390 if (error) { 391 device_printf(dev, "could not setup irq\n"); 392 goto fail; 393 394 } 395 396 397 /* Update the Device Control Register */ 398 /* on Bt878 and Bt879 cards */ 399 fun = pci_read_config( dev, 0x40, 2); 400 fun = fun | 1; /* Enable writes to the sub-system vendor ID */ 401 402#if defined( BKTR_430_FX_MODE ) 403 if (bootverbose) printf("Using 430 FX chipset compatibilty mode\n"); 404 fun = fun | 2; /* Enable Intel 430 FX compatibility mode */ 405#endif 406 407#if defined( BKTR_SIS_VIA_MODE ) 408 if (bootverbose) printf("Using SiS/VIA chipset compatibilty mode\n"); 409 fun = fun | 4; /* Enable SiS/VIA compatibility mode (usefull for 410 OPTi chipset motherboards too */ 411#endif 412 pci_write_config(dev, 0x40, fun, 2); 413 414#if defined(BKTR_USE_FREEBSD_SMBUS) 415 if (bt848_i2c_attach(dev)) 416 printf("bktr%d: i2c_attach: can't attach\n", unit); 417#endif 418 419/* 420 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 421 * you have more than four, then 16 would probably be a better value. 422 */ 423#ifndef BROOKTREE_DEF_LATENCY_VALUE 424#define BROOKTREE_DEF_LATENCY_VALUE 10 425#endif 426 latency = pci_read_config(dev, PCI_LATENCY_TIMER, 4); 427 latency = (latency >> 8) & 0xff; 428 if ( bootverbose ) { 429 if (latency) 430 printf("brooktree%d: PCI bus latency is", unit); 431 else 432 printf("brooktree%d: PCI bus latency was 0 changing to", 433 unit); 434 } 435 if ( !latency ) { 436 latency = BROOKTREE_DEF_LATENCY_VALUE; 437 pci_write_config(dev, PCI_LATENCY_TIMER, latency<<8, 4); 438 } 439 if ( bootverbose ) { 440 printf(" %d.\n", (int) latency); 441 } 442 443 /* read the pci device id and revision id */ 444 fun = pci_get_devid(dev); 445 rev = pci_get_revid(dev); 446 447 /* call the common attach code */ 448 common_bktr_attach( bktr, unit, fun, rev ); 449 450 /* make the device entries */ 451 bktr->bktrdev = make_dev(&bktr_cdevsw, unit, 452 0, 0, 0444, "bktr%d", unit); 453 bktr->tunerdev= make_dev(&bktr_cdevsw, unit+16, 454 0, 0, 0444, "tuner%d", unit); 455 bktr->vbidev = make_dev(&bktr_cdevsw, unit+32, 456 0, 0, 0444, "vbi%d" , unit); 457 458 459 /* if this is unit 0 (/dev/bktr0, /dev/tuner0, /dev/vbi0) then make */ 460 /* alias entries to /dev/bktr /dev/tuner and /dev/vbi */ 461#if (__FreeBSD_version >=500000) 462 if (unit == 0) { 463 bktr->bktrdev_alias = make_dev_alias(bktr->bktrdev, "bktr"); 464 bktr->tunerdev_alias= make_dev_alias(bktr->tunerdev, "tuner"); 465 bktr->vbidev_alias = make_dev_alias(bktr->vbidev, "vbi"); 466 } 467#endif 468 469 return 0; 470 471fail: 472 if (bktr->res_irq) 473 bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq); 474 if (bktr->res_mem) 475 bus_release_resource(dev, SYS_RES_IRQ, bktr->mem_rid, bktr->res_mem); 476 return error; 477 478} 479 480/* 481 * the detach routine. 482 */ 483static int 484bktr_detach( device_t dev ) 485{ 486 struct bktr_softc *bktr = device_get_softc(dev); 487 488#ifdef BKTR_NEW_MSP34XX_DRIVER 489 /* Disable the soundchip and kernel thread */ 490 if (bktr->msp3400c_info != NULL) 491 msp_detach(bktr); 492#endif 493 494 /* Disable the brooktree device */ 495 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 496 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 497 498#if defined(BKTR_USE_FREEBSD_SMBUS) 499 if (bt848_i2c_detach(dev)) 500 printf("bktr%d: i2c_attach: can't attach\n", 501 device_get_unit(dev)); 502#endif 503#ifdef USE_VBIMUTEX 504 mtx_destroy(&bktr->vbimutex); 505#endif 506 507 /* Note: We do not free memory for RISC programs, grab buffer, vbi buffers */ 508 /* The memory is retained by the bktr_mem module so we can unload and */ 509 /* then reload the main bktr driver module */ 510 511 /* Unregister the /dev/bktrN, tunerN and vbiN devices, 512 * the aliases for unit 0 are automatically destroyed */ 513 destroy_dev(bktr->vbidev); 514 destroy_dev(bktr->tunerdev); 515 destroy_dev(bktr->bktrdev); 516 517 /* 518 * Deallocate resources. 519 */ 520 bus_teardown_intr(dev, bktr->res_irq, bktr->res_ih); 521 bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq); 522 bus_release_resource(dev, SYS_RES_MEMORY, bktr->mem_rid, bktr->res_mem); 523 524 return 0; 525} 526 527/* 528 * the shutdown routine. 529 */ 530static int 531bktr_shutdown( device_t dev ) 532{ 533 struct bktr_softc *bktr = device_get_softc(dev); 534 535 /* Disable the brooktree device */ 536 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 537 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 538 539 return 0; 540} 541 542 543/* 544 * Special Memory Allocation 545 */ 546vm_offset_t 547get_bktr_mem( int unit, unsigned size ) 548{ 549 vm_offset_t addr = 0; 550 551 addr = (vm_offset_t)contigmalloc(size, M_DEVBUF, M_NOWAIT, 0, 552 0xffffffff, 1<<24, 0); 553 if (addr == 0) 554 addr = (vm_offset_t)contigmalloc(size, M_DEVBUF, M_NOWAIT, 0, 555 0xffffffff, PAGE_SIZE, 0); 556 if (addr == 0) { 557 printf("bktr%d: Unable to allocate %d bytes of memory.\n", 558 unit, size); 559 } 560 561 return( addr ); 562} 563 564 565/*--------------------------------------------------------- 566** 567** BrookTree 848 character device driver routines 568** 569**--------------------------------------------------------- 570*/ 571 572#define VIDEO_DEV 0x00 573#define TUNER_DEV 0x01 574#define VBI_DEV 0x02 575 576#define UNIT(x) ((x) & 0x0f) 577#define FUNCTION(x) (x >> 4) 578 579/* 580 * 581 */ 582static int 583bktr_open( struct cdev *dev, int flags, int fmt, struct thread *td ) 584{ 585 bktr_ptr_t bktr; 586 int unit; 587 int result; 588 589 unit = UNIT( minor(dev) ); 590 591 /* Get the device data */ 592 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 593 if (bktr == NULL) { 594 /* the device is no longer valid/functioning */ 595 return (ENXIO); 596 } 597 598 if (!(bktr->flags & METEOR_INITALIZED)) /* device not found */ 599 return( ENXIO ); 600 601 /* Record that the device is now busy */ 602 device_busy(devclass_get_device(bktr_devclass, unit)); 603 604 605 if (bt848_card != -1) { 606 if ((bt848_card >> 8 == unit ) && 607 ( (bt848_card & 0xff) < Bt848_MAX_CARD )) { 608 if ( bktr->bt848_card != (bt848_card & 0xff) ) { 609 bktr->bt848_card = (bt848_card & 0xff); 610 probeCard(bktr, FALSE, unit); 611 } 612 } 613 } 614 615 if (bt848_tuner != -1) { 616 if ((bt848_tuner >> 8 == unit ) && 617 ( (bt848_tuner & 0xff) < Bt848_MAX_TUNER )) { 618 if ( bktr->bt848_tuner != (bt848_tuner & 0xff) ) { 619 bktr->bt848_tuner = (bt848_tuner & 0xff); 620 probeCard(bktr, FALSE, unit); 621 } 622 } 623 } 624 625 if (bt848_reverse_mute != -1) { 626 if ((bt848_reverse_mute >> 8) == unit ) { 627 bktr->reverse_mute = bt848_reverse_mute & 0xff; 628 } 629 } 630 631 if (bt848_slow_msp_audio != -1) { 632 if ((bt848_slow_msp_audio >> 8) == unit ) { 633 bktr->slow_msp_audio = (bt848_slow_msp_audio & 0xff); 634 } 635 } 636 637#ifdef BKTR_NEW_MSP34XX_DRIVER 638 if (bt848_stereo_once != 0) { 639 if ((bt848_stereo_once >> 8) == unit ) { 640 bktr->stereo_once = (bt848_stereo_once & 0xff); 641 } 642 } 643 644 if (bt848_amsound != -1) { 645 if ((bt848_amsound >> 8) == unit ) { 646 bktr->amsound = (bt848_amsound & 0xff); 647 } 648 } 649 650 if (bt848_dolby != -1) { 651 if ((bt848_dolby >> 8) == unit ) { 652 bktr->dolby = (bt848_dolby & 0xff); 653 } 654 } 655#endif 656 657 switch ( FUNCTION( minor(dev) ) ) { 658 case VIDEO_DEV: 659 result = video_open( bktr ); 660 break; 661 case TUNER_DEV: 662 result = tuner_open( bktr ); 663 break; 664 case VBI_DEV: 665 result = vbi_open( bktr ); 666 break; 667 default: 668 result = ENXIO; 669 break; 670 } 671 672 /* If there was an error opening the device, undo the busy status */ 673 if (result != 0) 674 device_unbusy(devclass_get_device(bktr_devclass, unit)); 675 return( result ); 676} 677 678 679/* 680 * 681 */ 682static int 683bktr_close( struct cdev *dev, int flags, int fmt, struct thread *td ) 684{ 685 bktr_ptr_t bktr; 686 int unit; 687 int result; 688 689 unit = UNIT( minor(dev) ); 690 691 /* Get the device data */ 692 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 693 if (bktr == NULL) { 694 /* the device is no longer valid/functioning */ 695 return (ENXIO); 696 } 697 698 switch ( FUNCTION( minor(dev) ) ) { 699 case VIDEO_DEV: 700 result = video_close( bktr ); 701 break; 702 case TUNER_DEV: 703 result = tuner_close( bktr ); 704 break; 705 case VBI_DEV: 706 result = vbi_close( bktr ); 707 break; 708 default: 709 return (ENXIO); 710 break; 711 } 712 713 device_unbusy(devclass_get_device(bktr_devclass, unit)); 714 return( result ); 715} 716 717 718/* 719 * 720 */ 721static int 722bktr_read( struct cdev *dev, struct uio *uio, int ioflag ) 723{ 724 bktr_ptr_t bktr; 725 int unit; 726 727 unit = UNIT(minor(dev)); 728 729 /* Get the device data */ 730 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 731 if (bktr == NULL) { 732 /* the device is no longer valid/functioning */ 733 return (ENXIO); 734 } 735 736 switch ( FUNCTION( minor(dev) ) ) { 737 case VIDEO_DEV: 738 return( video_read( bktr, unit, dev, uio ) ); 739 case VBI_DEV: 740 return( vbi_read( bktr, uio, ioflag ) ); 741 } 742 return( ENXIO ); 743} 744 745 746/* 747 * 748 */ 749static int 750bktr_write( struct cdev *dev, struct uio *uio, int ioflag ) 751{ 752 return( EINVAL ); /* XXX or ENXIO ? */ 753} 754 755 756/* 757 * 758 */ 759static int 760bktr_ioctl( struct cdev *dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct thread *td ) 761{ 762 bktr_ptr_t bktr; 763 int unit; 764 765 unit = UNIT(minor(dev)); 766 767 /* Get the device data */ 768 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 769 if (bktr == NULL) { 770 /* the device is no longer valid/functioning */ 771 return (ENXIO); 772 } 773 774 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 775 return( ENOMEM ); 776 777 switch ( FUNCTION( minor(dev) ) ) { 778 case VIDEO_DEV: 779 return( video_ioctl( bktr, unit, cmd, arg, td ) ); 780 case TUNER_DEV: 781 return( tuner_ioctl( bktr, unit, cmd, arg, td ) ); 782 } 783 784 return( ENXIO ); 785} 786 787 788/* 789 * 790 */ 791static int 792bktr_mmap( struct cdev *dev, vm_offset_t offset, vm_paddr_t *paddr, int nprot ) 793{ 794 int unit; 795 bktr_ptr_t bktr; 796 797 unit = UNIT(minor(dev)); 798 799 if (FUNCTION(minor(dev)) > 0) /* only allow mmap on /dev/bktr[n] */ 800 return( -1 ); 801 802 /* Get the device data */ 803 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 804 if (bktr == NULL) { 805 /* the device is no longer valid/functioning */ 806 return (ENXIO); 807 } 808 809 if (nprot & PROT_EXEC) 810 return( -1 ); 811 812 if (offset < 0) 813 return( -1 ); 814 815 if (offset >= bktr->alloc_pages * PAGE_SIZE) 816 return( -1 ); 817 818 *paddr = vtophys(bktr->bigbuf) + offset; 819 return( 0 ); 820} 821 822static int 823bktr_poll( struct cdev *dev, int events, struct thread *td) 824{ 825 int unit; 826 bktr_ptr_t bktr; 827 int revents = 0; 828 DECLARE_INTR_MASK(s); 829 830 unit = UNIT(minor(dev)); 831 832 /* Get the device data */ 833 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 834 if (bktr == NULL) { 835 /* the device is no longer valid/functioning */ 836 return (ENXIO); 837 } 838 839 LOCK_VBI(bktr); 840 DISABLE_INTR(s); 841 842 if (events & (POLLIN | POLLRDNORM)) { 843 844 switch ( FUNCTION( minor(dev) ) ) { 845 case VBI_DEV: 846 if(bktr->vbisize == 0) 847 selrecord(td, &bktr->vbi_select); 848 else 849 revents |= events & (POLLIN | POLLRDNORM); 850 break; 851 } 852 } 853 854 ENABLE_INTR(s); 855 UNLOCK_VBI(bktr); 856 857 return (revents); 858} 859 860#endif /* FreeBSD 4.x specific kernel interface routines */ 861 862/*****************/ 863/* *** BSDI *** */ 864/*****************/ 865 866#if defined(__bsdi__) 867#endif /* __bsdi__ BSDI specific kernel interface routines */ 868 869 870/*****************************/ 871/* *** OpenBSD / NetBSD *** */ 872/*****************************/ 873#if defined(__NetBSD__) || defined(__OpenBSD__) 874 875#define IPL_VIDEO IPL_BIO /* XXX */ 876 877static int bktr_intr(void *arg) { return common_bktr_intr(arg); } 878 879#define bktr_open bktropen 880#define bktr_close bktrclose 881#define bktr_read bktrread 882#define bktr_write bktrwrite 883#define bktr_ioctl bktrioctl 884#define bktr_mmap bktrmmap 885 886vm_offset_t vm_page_alloc_contig(vm_offset_t, vm_offset_t, 887 vm_offset_t, vm_offset_t); 888 889#if defined(__OpenBSD__) 890static int bktr_probe(struct device *, void *, void *); 891#else 892static int bktr_probe(struct device *, struct cfdata *, void *); 893#endif 894static void bktr_attach(struct device *, struct device *, void *); 895 896struct cfattach bktr_ca = { 897 sizeof(struct bktr_softc), bktr_probe, bktr_attach 898}; 899 900#if defined(__NetBSD__) 901extern struct cfdriver bktr_cd; 902#else 903struct cfdriver bktr_cd = { 904 NULL, "bktr", DV_DULL 905}; 906#endif 907 908int 909bktr_probe(parent, match, aux) 910 struct device *parent; 911#if defined(__OpenBSD__) 912 void *match; 913#else 914 struct cfdata *match; 915#endif 916 void *aux; 917{ 918 struct pci_attach_args *pa = aux; 919 920 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_BROOKTREE && 921 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT848 || 922 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT849 || 923 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT878 || 924 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT879)) 925 return 1; 926 927 return 0; 928} 929 930 931/* 932 * the attach routine. 933 */ 934static void 935bktr_attach(struct device *parent, struct device *self, void *aux) 936{ 937 bktr_ptr_t bktr; 938 u_long latency; 939 u_long fun; 940 unsigned int rev; 941 942#if defined(__OpenBSD__) 943 struct pci_attach_args *pa = aux; 944 pci_chipset_tag_t pc = pa->pa_pc; 945 946 pci_intr_handle_t ih; 947 const char *intrstr; 948 int retval; 949 int unit; 950 951 bktr = (bktr_ptr_t)self; 952 unit = bktr->bktr_dev.dv_unit; 953 954 bktr->pc = pa->pa_pc; 955 bktr->tag = pa->pa_tag; 956 bktr->dmat = pa->pa_dmat; 957 958 /* 959 * map memory 960 */ 961 bktr->memt = pa->pa_memt; 962 retval = pci_mem_find(pc, pa->pa_tag, PCI_MAPREG_START, 963 &bktr->phys_base, &bktr->obmemsz, NULL); 964 if (!retval) 965 retval = bus_space_map(pa->pa_memt, bktr->phys_base, 966 bktr->obmemsz, 0, &bktr->memh); 967 if (retval) { 968 printf(": couldn't map memory\n"); 969 return; 970 } 971 972 973 /* 974 * map interrupt 975 */ 976 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 977 pa->pa_intrline, &ih)) { 978 printf(": couldn't map interrupt\n"); 979 return; 980 } 981 intrstr = pci_intr_string(pa->pa_pc, ih); 982 983 bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO, 984 bktr_intr, bktr, bktr->bktr_dev.dv_xname); 985 if (bktr->ih == NULL) { 986 printf(": couldn't establish interrupt"); 987 if (intrstr != NULL) 988 printf(" at %s", intrstr); 989 printf("\n"); 990 return; 991 } 992 993 if (intrstr != NULL) 994 printf(": %s\n", intrstr); 995#endif /* __OpenBSD__ */ 996 997#if defined(__NetBSD__) 998 struct pci_attach_args *pa = aux; 999 pci_intr_handle_t ih; 1000 const char *intrstr; 1001 int retval; 1002 int unit; 1003 1004 bktr = (bktr_ptr_t)self; 1005 unit = bktr->bktr_dev.dv_unit; 1006 bktr->dmat = pa->pa_dmat; 1007 1008 printf("\n"); 1009 1010 /* 1011 * map memory 1012 */ 1013 retval = pci_mapreg_map(pa, PCI_MAPREG_START, 1014 PCI_MAPREG_TYPE_MEM 1015 | PCI_MAPREG_MEM_TYPE_32BIT, 0, 1016 &bktr->memt, &bktr->memh, NULL, 1017 &bktr->obmemsz); 1018 DPR(("pci_mapreg_map: memt %x, memh %x, size %x\n", 1019 bktr->memt, (u_int)bktr->memh, (u_int)bktr->obmemsz)); 1020 if (retval) { 1021 printf("%s: couldn't map memory\n", bktr_name(bktr)); 1022 return; 1023 } 1024 1025 /* 1026 * Disable the brooktree device 1027 */ 1028 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 1029 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 1030 1031 /* 1032 * map interrupt 1033 */ 1034 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 1035 pa->pa_intrline, &ih)) { 1036 printf("%s: couldn't map interrupt\n", 1037 bktr_name(bktr)); 1038 return; 1039 } 1040 intrstr = pci_intr_string(pa->pa_pc, ih); 1041 bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO, 1042 bktr_intr, bktr); 1043 if (bktr->ih == NULL) { 1044 printf("%s: couldn't establish interrupt", 1045 bktr_name(bktr)); 1046 if (intrstr != NULL) 1047 printf(" at %s", intrstr); 1048 printf("\n"); 1049 return; 1050 } 1051 if (intrstr != NULL) 1052 printf("%s: interrupting at %s\n", bktr_name(bktr), 1053 intrstr); 1054#endif /* __NetBSD__ */ 1055 1056/* 1057 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 1058 * you have more than four, then 16 would probably be a better value. 1059 */ 1060#ifndef BROOKTREE_DEF_LATENCY_VALUE 1061#define BROOKTREE_DEF_LATENCY_VALUE 10 1062#endif 1063 latency = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_LATENCY_TIMER); 1064 latency = (latency >> 8) & 0xff; 1065 1066 if (!latency) { 1067 if (bootverbose) { 1068 printf("%s: PCI bus latency was 0 changing to %d", 1069 bktr_name(bktr), BROOKTREE_DEF_LATENCY_VALUE); 1070 } 1071 latency = BROOKTREE_DEF_LATENCY_VALUE; 1072 pci_conf_write(pa->pa_pc, pa->pa_tag, 1073 PCI_LATENCY_TIMER, latency<<8); 1074 } 1075 1076 1077 /* Enabled Bus Master 1078 XXX: check if all old DMA is stopped first (e.g. after warm 1079 boot) */ 1080 fun = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 1081 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 1082 fun | PCI_COMMAND_MASTER_ENABLE); 1083 1084 /* read the pci id and determine the card type */ 1085 fun = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ID_REG); 1086 rev = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG) & 0x000000ff; 1087 1088 common_bktr_attach(bktr, unit, fun, rev); 1089} 1090 1091 1092/* 1093 * Special Memory Allocation 1094 */ 1095vm_offset_t 1096get_bktr_mem(bktr, dmapp, size) 1097 bktr_ptr_t bktr; 1098 bus_dmamap_t *dmapp; 1099 unsigned int size; 1100{ 1101 bus_dma_tag_t dmat = bktr->dmat; 1102 bus_dma_segment_t seg; 1103 bus_size_t align; 1104 int rseg; 1105 caddr_t kva; 1106 1107 /* 1108 * Allocate a DMA area 1109 */ 1110 align = 1 << 24; 1111 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, 1112 &rseg, BUS_DMA_NOWAIT)) { 1113 align = PAGE_SIZE; 1114 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, 1115 &rseg, BUS_DMA_NOWAIT)) { 1116 printf("%s: Unable to dmamem_alloc of %d bytes\n", 1117 bktr_name(bktr), size); 1118 return 0; 1119 } 1120 } 1121 if (bus_dmamem_map(dmat, &seg, rseg, size, 1122 &kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) { 1123 printf("%s: Unable to dmamem_map of %d bytes\n", 1124 bktr_name(bktr), size); 1125 bus_dmamem_free(dmat, &seg, rseg); 1126 return 0; 1127 } 1128#ifdef __OpenBSD__ 1129 bktr->dm_mapsize = size; 1130#endif 1131 /* 1132 * Create and locd the DMA map for the DMA area 1133 */ 1134 if (bus_dmamap_create(dmat, size, 1, size, 0, BUS_DMA_NOWAIT, dmapp)) { 1135 printf("%s: Unable to dmamap_create of %d bytes\n", 1136 bktr_name(bktr), size); 1137 bus_dmamem_unmap(dmat, kva, size); 1138 bus_dmamem_free(dmat, &seg, rseg); 1139 return 0; 1140 } 1141 if (bus_dmamap_load(dmat, *dmapp, kva, size, NULL, BUS_DMA_NOWAIT)) { 1142 printf("%s: Unable to dmamap_load of %d bytes\n", 1143 bktr_name(bktr), size); 1144 bus_dmamem_unmap(dmat, kva, size); 1145 bus_dmamem_free(dmat, &seg, rseg); 1146 bus_dmamap_destroy(dmat, *dmapp); 1147 return 0; 1148 } 1149 return (vm_offset_t)kva; 1150} 1151 1152void 1153free_bktr_mem(bktr, dmap, kva) 1154 bktr_ptr_t bktr; 1155 bus_dmamap_t dmap; 1156 vm_offset_t kva; 1157{ 1158 bus_dma_tag_t dmat = bktr->dmat; 1159 1160#ifdef __NetBSD__ 1161 bus_dmamem_unmap(dmat, (caddr_t)kva, dmap->dm_mapsize); 1162#else 1163 bus_dmamem_unmap(dmat, (caddr_t)kva, bktr->dm_mapsize); 1164#endif 1165 bus_dmamem_free(dmat, dmap->dm_segs, 1); 1166 bus_dmamap_destroy(dmat, dmap); 1167} 1168 1169 1170/*--------------------------------------------------------- 1171** 1172** BrookTree 848 character device driver routines 1173** 1174**--------------------------------------------------------- 1175*/ 1176 1177 1178#define VIDEO_DEV 0x00 1179#define TUNER_DEV 0x01 1180#define VBI_DEV 0x02 1181 1182#define UNIT(x) (minor((x) & 0x0f)) 1183#define FUNCTION(x) (minor((x >> 4) & 0x0f)) 1184 1185/* 1186 * 1187 */ 1188int 1189bktr_open(dev_t dev, int flags, int fmt, struct thread *td) 1190{ 1191 bktr_ptr_t bktr; 1192 int unit; 1193 1194 unit = UNIT(dev); 1195 1196 /* unit out of range */ 1197 if ((unit > bktr_cd.cd_ndevs) || (bktr_cd.cd_devs[unit] == NULL)) 1198 return(ENXIO); 1199 1200 bktr = bktr_cd.cd_devs[unit]; 1201 1202 if (!(bktr->flags & METEOR_INITALIZED)) /* device not found */ 1203 return(ENXIO); 1204 1205 switch (FUNCTION(dev)) { 1206 case VIDEO_DEV: 1207 return(video_open(bktr)); 1208 case TUNER_DEV: 1209 return(tuner_open(bktr)); 1210 case VBI_DEV: 1211 return(vbi_open(bktr)); 1212 } 1213 1214 return(ENXIO); 1215} 1216 1217 1218/* 1219 * 1220 */ 1221int 1222bktr_close(dev_t dev, int flags, int fmt, struct thread *td) 1223{ 1224 bktr_ptr_t bktr; 1225 int unit; 1226 1227 unit = UNIT(dev); 1228 1229 bktr = bktr_cd.cd_devs[unit]; 1230 1231 switch (FUNCTION(dev)) { 1232 case VIDEO_DEV: 1233 return(video_close(bktr)); 1234 case TUNER_DEV: 1235 return(tuner_close(bktr)); 1236 case VBI_DEV: 1237 return(vbi_close(bktr)); 1238 } 1239 1240 return(ENXIO); 1241} 1242 1243/* 1244 * 1245 */ 1246int 1247bktr_read(dev_t dev, struct uio *uio, int ioflag) 1248{ 1249 bktr_ptr_t bktr; 1250 int unit; 1251 1252 unit = UNIT(dev); 1253 1254 bktr = bktr_cd.cd_devs[unit]; 1255 1256 switch (FUNCTION(dev)) { 1257 case VIDEO_DEV: 1258 return(video_read(bktr, unit, dev, uio)); 1259 case VBI_DEV: 1260 return(vbi_read(bktr, uio, ioflag)); 1261 } 1262 1263 return(ENXIO); 1264} 1265 1266 1267/* 1268 * 1269 */ 1270int 1271bktr_write(dev_t dev, struct uio *uio, int ioflag) 1272{ 1273 /* operation not supported */ 1274 return(EOPNOTSUPP); 1275} 1276 1277/* 1278 * 1279 */ 1280int 1281bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct thread *td) 1282{ 1283 bktr_ptr_t bktr; 1284 int unit; 1285 1286 unit = UNIT(dev); 1287 1288 bktr = bktr_cd.cd_devs[unit]; 1289 1290 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 1291 return(ENOMEM); 1292 1293 switch (FUNCTION(dev)) { 1294 case VIDEO_DEV: 1295 return(video_ioctl(bktr, unit, cmd, arg, pr)); 1296 case TUNER_DEV: 1297 return(tuner_ioctl(bktr, unit, cmd, arg, pr)); 1298 } 1299 1300 return(ENXIO); 1301} 1302 1303/* 1304 * 1305 */ 1306paddr_t 1307bktr_mmap(dev_t dev, off_t offset, int nprot) 1308{ 1309 int unit; 1310 bktr_ptr_t bktr; 1311 1312 unit = UNIT(dev); 1313 1314 if (FUNCTION(dev) > 0) /* only allow mmap on /dev/bktr[n] */ 1315 return(-1); 1316 1317 bktr = bktr_cd.cd_devs[unit]; 1318 1319 if ((vaddr_t)offset < 0) 1320 return(-1); 1321 1322 if ((vaddr_t)offset >= bktr->alloc_pages * PAGE_SIZE) 1323 return(-1); 1324 1325#ifdef __NetBSD__ 1326 return (bus_dmamem_mmap(bktr->dmat, bktr->dm_mem->dm_segs, 1, 1327 (vaddr_t)offset, nprot, BUS_DMA_WAITOK)); 1328#else 1329 return(i386_btop(vtophys(bktr->bigbuf) + offset)); 1330#endif 1331} 1332 1333#endif /* __NetBSD__ || __OpenBSD__ */ 1334