bktr_os.c revision 154897
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 154897 2006-01-27 08:42:48Z jmg $"); 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 76#include <vm/vm.h> 77#include <vm/vm_kern.h> 78#include <vm/pmap.h> 79#include <vm/vm_extern.h> 80 81#include <sys/bus.h> /* used by smbus and newbus */ 82 83#include <machine/bus.h> /* used by bus space and newbus */ 84#include <sys/bus.h> 85 86#include <sys/rman.h> /* used by newbus */ 87#include <machine/resource.h> /* used by newbus */ 88 89#if (__FreeBSD_version < 500000) 90#include <machine/clock.h> /* for DELAY */ 91#include <pci/pcivar.h> 92#include <pci/pcireg.h> 93#else 94#include <dev/pci/pcivar.h> 95#include <dev/pci/pcireg.h> 96#endif 97 98#include <sys/sysctl.h> 99int bt848_card = -1; 100int bt848_tuner = -1; 101int bt848_reverse_mute = -1; 102int bt848_format = -1; 103int bt848_slow_msp_audio = -1; 104#ifdef BKTR_NEW_MSP34XX_DRIVER 105int bt848_stereo_once = 0; /* no continuous stereo monitoring */ 106int bt848_amsound = 0; /* hard-wire AM sound at 6.5 Hz (france), 107 the autoscan seems work well only with FM... */ 108int bt848_dolby = 0; 109#endif 110 111SYSCTL_NODE(_hw, OID_AUTO, bt848, CTLFLAG_RW, 0, "Bt848 Driver mgmt"); 112SYSCTL_INT(_hw_bt848, OID_AUTO, card, CTLFLAG_RW, &bt848_card, -1, ""); 113SYSCTL_INT(_hw_bt848, OID_AUTO, tuner, CTLFLAG_RW, &bt848_tuner, -1, ""); 114SYSCTL_INT(_hw_bt848, OID_AUTO, reverse_mute, CTLFLAG_RW, &bt848_reverse_mute, -1, ""); 115SYSCTL_INT(_hw_bt848, OID_AUTO, format, CTLFLAG_RW, &bt848_format, -1, ""); 116SYSCTL_INT(_hw_bt848, OID_AUTO, slow_msp_audio, CTLFLAG_RW, &bt848_slow_msp_audio, -1, ""); 117#ifdef BKTR_NEW_MSP34XX_DRIVER 118SYSCTL_INT(_hw_bt848, OID_AUTO, stereo_once, CTLFLAG_RW, &bt848_stereo_once, 0, ""); 119SYSCTL_INT(_hw_bt848, OID_AUTO, amsound, CTLFLAG_RW, &bt848_amsound, 0, ""); 120SYSCTL_INT(_hw_bt848, OID_AUTO, dolby, CTLFLAG_RW, &bt848_dolby, 0, ""); 121#endif 122 123#endif /* end freebsd section */ 124 125 126 127/****************/ 128/* *** BSDI *** */ 129/****************/ 130#ifdef __bsdi__ 131#endif /* __bsdi__ */ 132 133 134/**************************/ 135/* *** OpenBSD/NetBSD *** */ 136/**************************/ 137#if defined(__NetBSD__) || defined(__OpenBSD__) 138 139#include <sys/param.h> 140#include <sys/systm.h> 141#include <sys/conf.h> 142#include <sys/uio.h> 143#include <sys/kernel.h> 144#include <sys/signalvar.h> 145#include <sys/mman.h> 146#include <sys/poll.h> 147#include <sys/select.h> 148#include <sys/vnode.h> 149 150#include <vm/vm.h> 151 152#ifndef __NetBSD__ 153#include <vm/vm_kern.h> 154#include <vm/pmap.h> 155#include <vm/vm_extern.h> 156#endif 157 158#include <sys/device.h> 159#include <dev/pci/pcivar.h> 160#include <dev/pci/pcireg.h> 161#include <dev/pci/pcidevs.h> 162 163#define BKTR_DEBUG 164#ifdef BKTR_DEBUG 165int bktr_debug = 0; 166#define DPR(x) (bktr_debug ? printf x : 0) 167#else 168#define DPR(x) 169#endif 170#endif /* __NetBSD__ || __OpenBSD__ */ 171 172 173#ifdef __NetBSD__ 174#include <dev/ic/bt8xx.h> /* NetBSD location for .h files */ 175#include <dev/pci/bktr/bktr_reg.h> 176#include <dev/pci/bktr/bktr_tuner.h> 177#include <dev/pci/bktr/bktr_card.h> 178#include <dev/pci/bktr/bktr_audio.h> 179#include <dev/pci/bktr/bktr_core.h> 180#include <dev/pci/bktr/bktr_os.h> 181#else /* Traditional location for .h files */ 182#include <dev/bktr/ioctl_meteor.h> 183#include <dev/bktr/ioctl_bt848.h> /* extensions to ioctl_meteor.h */ 184#include <dev/bktr/bktr_reg.h> 185#include <dev/bktr/bktr_tuner.h> 186#include <dev/bktr/bktr_card.h> 187#include <dev/bktr/bktr_audio.h> 188#include <dev/bktr/bktr_core.h> 189#include <dev/bktr/bktr_os.h> 190 191#if defined(BKTR_USE_FREEBSD_SMBUS) 192#include <dev/bktr/bktr_i2c.h> 193 194#include "iicbb_if.h" 195#include "smbus_if.h" 196#endif 197#endif 198 199 200/****************************/ 201/* *** FreeBSD 4.x code *** */ 202/****************************/ 203 204static int bktr_probe( device_t dev ); 205static int bktr_attach( device_t dev ); 206static int bktr_detach( device_t dev ); 207static int bktr_shutdown( device_t dev ); 208static void bktr_intr(void *arg) { common_bktr_intr(arg); } 209 210static device_method_t bktr_methods[] = { 211 /* Device interface */ 212 DEVMETHOD(device_probe, bktr_probe), 213 DEVMETHOD(device_attach, bktr_attach), 214 DEVMETHOD(device_detach, bktr_detach), 215 DEVMETHOD(device_shutdown, bktr_shutdown), 216 217#if defined(BKTR_USE_FREEBSD_SMBUS) 218 /* iicbb interface */ 219 DEVMETHOD(iicbb_callback, bti2c_iic_callback), 220 DEVMETHOD(iicbb_setsda, bti2c_iic_setsda), 221 DEVMETHOD(iicbb_setscl, bti2c_iic_setscl), 222 DEVMETHOD(iicbb_getsda, bti2c_iic_getsda), 223 DEVMETHOD(iicbb_getscl, bti2c_iic_getscl), 224 DEVMETHOD(iicbb_reset, bti2c_iic_reset), 225 226 /* smbus interface */ 227 DEVMETHOD(smbus_callback, bti2c_smb_callback), 228 DEVMETHOD(smbus_writeb, bti2c_smb_writeb), 229 DEVMETHOD(smbus_writew, bti2c_smb_writew), 230 DEVMETHOD(smbus_readb, bti2c_smb_readb), 231#endif 232 233 { 0, 0 } 234}; 235 236static driver_t bktr_driver = { 237 "bktr", 238 bktr_methods, 239 sizeof(struct bktr_softc), 240}; 241 242static devclass_t bktr_devclass; 243 244static d_open_t bktr_open; 245static d_close_t bktr_close; 246static d_read_t bktr_read; 247static d_write_t bktr_write; 248static d_ioctl_t bktr_ioctl; 249static d_mmap_t bktr_mmap; 250static d_poll_t bktr_poll; 251 252static struct cdevsw bktr_cdevsw = { 253 .d_version = D_VERSION, 254 .d_flags = D_NEEDGIANT, 255 .d_open = bktr_open, 256 .d_close = bktr_close, 257 .d_read = bktr_read, 258 .d_write = bktr_write, 259 .d_ioctl = bktr_ioctl, 260 .d_poll = bktr_poll, 261 .d_mmap = bktr_mmap, 262 .d_name = "bktr", 263}; 264 265#ifdef BKTR_USE_FREEBSD_SMBUS 266#include <dev/iicbus/iiconf.h> 267#include <dev/smbus/smbconf.h> 268MODULE_DEPEND(bktr, iicbb, IICBB_MINVER, IICBB_MODVER, IICBB_MAXVER); 269MODULE_DEPEND(bktr, iicbus, IICBUS_MINVER, IICBUS_MODVER, IICBUS_MAXVER); 270MODULE_DEPEND(bktr, smbus, SMBUS_MINVER, SMBUS_MODVER, SMBUS_MAXVER); 271#endif 272DRIVER_MODULE(bktr, pci, bktr_driver, bktr_devclass, 0, 0); 273MODULE_DEPEND(bktr, bktr_mem, 1,1,1); 274MODULE_VERSION(bktr, 1); 275 276 277/* 278 * the boot time probe routine. 279 */ 280static int 281bktr_probe( device_t dev ) 282{ 283 unsigned int type = pci_get_devid(dev); 284 unsigned int rev = pci_get_revid(dev); 285 286 if (PCI_VENDOR(type) == PCI_VENDOR_BROOKTREE) 287 { 288 switch (PCI_PRODUCT(type)) { 289 case PCI_PRODUCT_BROOKTREE_BT848: 290 if (rev == 0x12) 291 device_set_desc(dev, "BrookTree 848A"); 292 else 293 device_set_desc(dev, "BrookTree 848"); 294 return BUS_PROBE_DEFAULT; 295 case PCI_PRODUCT_BROOKTREE_BT849: 296 device_set_desc(dev, "BrookTree 849A"); 297 return BUS_PROBE_DEFAULT; 298 case PCI_PRODUCT_BROOKTREE_BT878: 299 device_set_desc(dev, "BrookTree 878"); 300 return BUS_PROBE_DEFAULT; 301 case PCI_PRODUCT_BROOKTREE_BT879: 302 device_set_desc(dev, "BrookTree 879"); 303 return BUS_PROBE_DEFAULT; 304 } 305 }; 306 307 return ENXIO; 308} 309 310 311/* 312 * the attach routine. 313 */ 314static int 315bktr_attach( device_t dev ) 316{ 317 u_long latency; 318 u_long fun; 319 u_long val; 320 unsigned int rev; 321 unsigned int unit; 322 int error = 0; 323#ifdef BROOKTREE_IRQ 324 u_long old_irq, new_irq; 325#endif 326 327 struct bktr_softc *bktr = device_get_softc(dev); 328 329 unit = device_get_unit(dev); 330 331 /* build the device name for bktr_name() */ 332 snprintf(bktr->bktr_xname, sizeof(bktr->bktr_xname), "bktr%d",unit); 333 334 /* 335 * Enable bus mastering and Memory Mapped device 336 */ 337 val = pci_read_config(dev, PCIR_COMMAND, 4); 338 val |= (PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN); 339 pci_write_config(dev, PCIR_COMMAND, val, 4); 340 341 /* 342 * Map control/status registers. 343 */ 344 bktr->mem_rid = PCIR_BAR(0); 345 bktr->res_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 346 &bktr->mem_rid, RF_ACTIVE); 347 348 if (!bktr->res_mem) { 349 device_printf(dev, "could not map memory\n"); 350 error = ENXIO; 351 goto fail; 352 } 353 bktr->memt = rman_get_bustag(bktr->res_mem); 354 bktr->memh = rman_get_bushandle(bktr->res_mem); 355 356 357 /* 358 * Disable the brooktree device 359 */ 360 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 361 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 362 363 364#ifdef BROOKTREE_IRQ /* from the configuration file */ 365 old_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 366 pci_conf_write(tag, PCI_INTERRUPT_REG, BROOKTREE_IRQ); 367 new_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 368 printf("bktr%d: attach: irq changed from %d to %d\n", 369 unit, (old_irq & 0xff), (new_irq & 0xff)); 370#endif 371 372 /* 373 * Allocate our interrupt. 374 */ 375 bktr->irq_rid = 0; 376 bktr->res_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 377 &bktr->irq_rid, RF_SHAREABLE | RF_ACTIVE); 378 if (bktr->res_irq == NULL) { 379 device_printf(dev, "could not map interrupt\n"); 380 error = ENXIO; 381 goto fail; 382 } 383 384 error = bus_setup_intr(dev, bktr->res_irq, INTR_TYPE_TTY, 385 bktr_intr, bktr, &bktr->res_ih); 386 if (error) { 387 device_printf(dev, "could not setup irq\n"); 388 goto fail; 389 390 } 391 392 393 /* Update the Device Control Register */ 394 /* on Bt878 and Bt879 cards */ 395 fun = pci_read_config( dev, 0x40, 2); 396 fun = fun | 1; /* Enable writes to the sub-system vendor ID */ 397 398#if defined( BKTR_430_FX_MODE ) 399 if (bootverbose) printf("Using 430 FX chipset compatibilty mode\n"); 400 fun = fun | 2; /* Enable Intel 430 FX compatibility mode */ 401#endif 402 403#if defined( BKTR_SIS_VIA_MODE ) 404 if (bootverbose) printf("Using SiS/VIA chipset compatibilty mode\n"); 405 fun = fun | 4; /* Enable SiS/VIA compatibility mode (usefull for 406 OPTi chipset motherboards too */ 407#endif 408 pci_write_config(dev, 0x40, fun, 2); 409 410#if defined(BKTR_USE_FREEBSD_SMBUS) 411 if (bt848_i2c_attach(dev)) 412 printf("bktr%d: i2c_attach: can't attach\n", unit); 413#endif 414 415/* 416 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 417 * you have more than four, then 16 would probably be a better value. 418 */ 419#ifndef BROOKTREE_DEF_LATENCY_VALUE 420#define BROOKTREE_DEF_LATENCY_VALUE 10 421#endif 422 latency = pci_read_config(dev, PCI_LATENCY_TIMER, 4); 423 latency = (latency >> 8) & 0xff; 424 if ( bootverbose ) { 425 if (latency) 426 printf("brooktree%d: PCI bus latency is", unit); 427 else 428 printf("brooktree%d: PCI bus latency was 0 changing to", 429 unit); 430 } 431 if ( !latency ) { 432 latency = BROOKTREE_DEF_LATENCY_VALUE; 433 pci_write_config(dev, PCI_LATENCY_TIMER, latency<<8, 4); 434 } 435 if ( bootverbose ) { 436 printf(" %d.\n", (int) latency); 437 } 438 439 /* read the pci device id and revision id */ 440 fun = pci_get_devid(dev); 441 rev = pci_get_revid(dev); 442 443 /* call the common attach code */ 444 common_bktr_attach( bktr, unit, fun, rev ); 445 446 /* make the device entries */ 447 bktr->bktrdev = make_dev(&bktr_cdevsw, unit, 448 0, 0, 0444, "bktr%d", unit); 449 bktr->tunerdev= make_dev(&bktr_cdevsw, unit+16, 450 0, 0, 0444, "tuner%d", unit); 451 bktr->vbidev = make_dev(&bktr_cdevsw, unit+32, 452 0, 0, 0444, "vbi%d" , unit); 453 454 455 /* if this is unit 0 (/dev/bktr0, /dev/tuner0, /dev/vbi0) then make */ 456 /* alias entries to /dev/bktr /dev/tuner and /dev/vbi */ 457#if (__FreeBSD_version >=500000) 458 if (unit == 0) { 459 bktr->bktrdev_alias = make_dev_alias(bktr->bktrdev, "bktr"); 460 bktr->tunerdev_alias= make_dev_alias(bktr->tunerdev, "tuner"); 461 bktr->vbidev_alias = make_dev_alias(bktr->vbidev, "vbi"); 462 } 463#endif 464 465 return 0; 466 467fail: 468 if (bktr->res_irq) 469 bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq); 470 if (bktr->res_mem) 471 bus_release_resource(dev, SYS_RES_IRQ, bktr->mem_rid, bktr->res_mem); 472 return error; 473 474} 475 476/* 477 * the detach routine. 478 */ 479static int 480bktr_detach( device_t dev ) 481{ 482 struct bktr_softc *bktr = device_get_softc(dev); 483 484#ifdef BKTR_NEW_MSP34XX_DRIVER 485 /* Disable the soundchip and kernel thread */ 486 if (bktr->msp3400c_info != NULL) 487 msp_detach(bktr); 488#endif 489 490 /* Disable the brooktree device */ 491 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 492 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 493 494#if defined(BKTR_USE_FREEBSD_SMBUS) 495 if (bt848_i2c_detach(dev)) 496 printf("bktr%d: i2c_attach: can't attach\n", 497 device_get_unit(dev)); 498#endif 499#ifdef USE_VBIMUTEX 500 mtx_destroy(&bktr->vbimutex); 501#endif 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 * the aliases for unit 0 are automatically destroyed */ 509 destroy_dev(bktr->vbidev); 510 destroy_dev(bktr->tunerdev); 511 destroy_dev(bktr->bktrdev); 512 513 /* 514 * Deallocate resources. 515 */ 516 bus_teardown_intr(dev, bktr->res_irq, bktr->res_ih); 517 bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq); 518 bus_release_resource(dev, SYS_RES_MEMORY, bktr->mem_rid, bktr->res_mem); 519 520 return 0; 521} 522 523/* 524 * the shutdown routine. 525 */ 526static int 527bktr_shutdown( device_t dev ) 528{ 529 struct bktr_softc *bktr = device_get_softc(dev); 530 531 /* Disable the brooktree device */ 532 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 533 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 534 535 return 0; 536} 537 538 539/* 540 * Special Memory Allocation 541 */ 542vm_offset_t 543get_bktr_mem( int unit, unsigned size ) 544{ 545 vm_offset_t addr = 0; 546 547 addr = (vm_offset_t)contigmalloc(size, M_DEVBUF, M_NOWAIT, 0, 548 0xffffffff, 1<<24, 0); 549 if (addr == 0) 550 addr = (vm_offset_t)contigmalloc(size, M_DEVBUF, M_NOWAIT, 0, 551 0xffffffff, PAGE_SIZE, 0); 552 if (addr == 0) { 553 printf("bktr%d: Unable to allocate %d bytes of memory.\n", 554 unit, size); 555 } 556 557 return( addr ); 558} 559 560 561/*--------------------------------------------------------- 562** 563** BrookTree 848 character device driver routines 564** 565**--------------------------------------------------------- 566*/ 567 568#define VIDEO_DEV 0x00 569#define TUNER_DEV 0x01 570#define VBI_DEV 0x02 571 572#define UNIT(x) ((x) & 0x0f) 573#define FUNCTION(x) (x >> 4) 574 575/* 576 * 577 */ 578static int 579bktr_open( struct cdev *dev, int flags, int fmt, struct thread *td ) 580{ 581 bktr_ptr_t bktr; 582 int unit; 583 int result; 584 585 unit = UNIT( minor(dev) ); 586 587 /* Get the device data */ 588 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 589 if (bktr == NULL) { 590 /* the device is no longer valid/functioning */ 591 return (ENXIO); 592 } 593 594 if (!(bktr->flags & METEOR_INITALIZED)) /* device not found */ 595 return( ENXIO ); 596 597 /* Record that the device is now busy */ 598 device_busy(devclass_get_device(bktr_devclass, unit)); 599 600 601 if (bt848_card != -1) { 602 if ((bt848_card >> 8 == unit ) && 603 ( (bt848_card & 0xff) < Bt848_MAX_CARD )) { 604 if ( bktr->bt848_card != (bt848_card & 0xff) ) { 605 bktr->bt848_card = (bt848_card & 0xff); 606 probeCard(bktr, FALSE, unit); 607 } 608 } 609 } 610 611 if (bt848_tuner != -1) { 612 if ((bt848_tuner >> 8 == unit ) && 613 ( (bt848_tuner & 0xff) < Bt848_MAX_TUNER )) { 614 if ( bktr->bt848_tuner != (bt848_tuner & 0xff) ) { 615 bktr->bt848_tuner = (bt848_tuner & 0xff); 616 probeCard(bktr, FALSE, unit); 617 } 618 } 619 } 620 621 if (bt848_reverse_mute != -1) { 622 if ((bt848_reverse_mute >> 8) == unit ) { 623 bktr->reverse_mute = bt848_reverse_mute & 0xff; 624 } 625 } 626 627 if (bt848_slow_msp_audio != -1) { 628 if ((bt848_slow_msp_audio >> 8) == unit ) { 629 bktr->slow_msp_audio = (bt848_slow_msp_audio & 0xff); 630 } 631 } 632 633#ifdef BKTR_NEW_MSP34XX_DRIVER 634 if (bt848_stereo_once != 0) { 635 if ((bt848_stereo_once >> 8) == unit ) { 636 bktr->stereo_once = (bt848_stereo_once & 0xff); 637 } 638 } 639 640 if (bt848_amsound != -1) { 641 if ((bt848_amsound >> 8) == unit ) { 642 bktr->amsound = (bt848_amsound & 0xff); 643 } 644 } 645 646 if (bt848_dolby != -1) { 647 if ((bt848_dolby >> 8) == unit ) { 648 bktr->dolby = (bt848_dolby & 0xff); 649 } 650 } 651#endif 652 653 switch ( FUNCTION( minor(dev) ) ) { 654 case VIDEO_DEV: 655 result = video_open( bktr ); 656 break; 657 case TUNER_DEV: 658 result = tuner_open( bktr ); 659 break; 660 case VBI_DEV: 661 result = vbi_open( bktr ); 662 break; 663 default: 664 result = ENXIO; 665 break; 666 } 667 668 /* If there was an error opening the device, undo the busy status */ 669 if (result != 0) 670 device_unbusy(devclass_get_device(bktr_devclass, unit)); 671 return( result ); 672} 673 674 675/* 676 * 677 */ 678static int 679bktr_close( struct cdev *dev, int flags, int fmt, struct thread *td ) 680{ 681 bktr_ptr_t bktr; 682 int unit; 683 int result; 684 685 unit = UNIT( minor(dev) ); 686 687 /* Get the device data */ 688 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 689 if (bktr == NULL) { 690 /* the device is no longer valid/functioning */ 691 return (ENXIO); 692 } 693 694 switch ( FUNCTION( minor(dev) ) ) { 695 case VIDEO_DEV: 696 result = video_close( bktr ); 697 break; 698 case TUNER_DEV: 699 result = tuner_close( bktr ); 700 break; 701 case VBI_DEV: 702 result = vbi_close( bktr ); 703 break; 704 default: 705 return (ENXIO); 706 break; 707 } 708 709 device_unbusy(devclass_get_device(bktr_devclass, unit)); 710 return( result ); 711} 712 713 714/* 715 * 716 */ 717static int 718bktr_read( struct cdev *dev, struct uio *uio, int ioflag ) 719{ 720 bktr_ptr_t bktr; 721 int unit; 722 723 unit = UNIT(minor(dev)); 724 725 /* Get the device data */ 726 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 727 if (bktr == NULL) { 728 /* the device is no longer valid/functioning */ 729 return (ENXIO); 730 } 731 732 switch ( FUNCTION( minor(dev) ) ) { 733 case VIDEO_DEV: 734 return( video_read( bktr, unit, dev, uio ) ); 735 case VBI_DEV: 736 return( vbi_read( bktr, uio, ioflag ) ); 737 } 738 return( ENXIO ); 739} 740 741 742/* 743 * 744 */ 745static int 746bktr_write( struct cdev *dev, struct uio *uio, int ioflag ) 747{ 748 return( EINVAL ); /* XXX or ENXIO ? */ 749} 750 751 752/* 753 * 754 */ 755static int 756bktr_ioctl( struct cdev *dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct thread *td ) 757{ 758 bktr_ptr_t bktr; 759 int unit; 760 761 unit = UNIT(minor(dev)); 762 763 /* Get the device data */ 764 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 765 if (bktr == NULL) { 766 /* the device is no longer valid/functioning */ 767 return (ENXIO); 768 } 769 770 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 771 return( ENOMEM ); 772 773 switch ( FUNCTION( minor(dev) ) ) { 774 case VIDEO_DEV: 775 return( video_ioctl( bktr, unit, cmd, arg, td ) ); 776 case TUNER_DEV: 777 return( tuner_ioctl( bktr, unit, cmd, arg, td ) ); 778 } 779 780 return( ENXIO ); 781} 782 783 784/* 785 * 786 */ 787static int 788bktr_mmap( struct cdev *dev, vm_offset_t offset, vm_paddr_t *paddr, int nprot ) 789{ 790 int unit; 791 bktr_ptr_t bktr; 792 793 unit = UNIT(minor(dev)); 794 795 if (FUNCTION(minor(dev)) > 0) /* only allow mmap on /dev/bktr[n] */ 796 return( -1 ); 797 798 /* Get the device data */ 799 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 800 if (bktr == NULL) { 801 /* the device is no longer valid/functioning */ 802 return (ENXIO); 803 } 804 805 if (nprot & PROT_EXEC) 806 return( -1 ); 807 808 if (offset < 0) 809 return( -1 ); 810 811 if (offset >= bktr->alloc_pages * PAGE_SIZE) 812 return( -1 ); 813 814 *paddr = vtophys(bktr->bigbuf) + offset; 815 return( 0 ); 816} 817 818static int 819bktr_poll( struct cdev *dev, int events, struct thread *td) 820{ 821 int unit; 822 bktr_ptr_t bktr; 823 int revents = 0; 824 DECLARE_INTR_MASK(s); 825 826 unit = UNIT(minor(dev)); 827 828 /* Get the device data */ 829 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 830 if (bktr == NULL) { 831 /* the device is no longer valid/functioning */ 832 return (ENXIO); 833 } 834 835 LOCK_VBI(bktr); 836 DISABLE_INTR(s); 837 838 if (events & (POLLIN | POLLRDNORM)) { 839 840 switch ( FUNCTION( minor(dev) ) ) { 841 case VBI_DEV: 842 if(bktr->vbisize == 0) 843 selrecord(td, &bktr->vbi_select); 844 else 845 revents |= events & (POLLIN | POLLRDNORM); 846 break; 847 } 848 } 849 850 ENABLE_INTR(s); 851 UNLOCK_VBI(bktr); 852 853 return (revents); 854} 855 856/*****************/ 857/* *** BSDI *** */ 858/*****************/ 859 860#if defined(__bsdi__) 861#endif /* __bsdi__ BSDI specific kernel interface routines */ 862 863 864/*****************************/ 865/* *** OpenBSD / NetBSD *** */ 866/*****************************/ 867#if defined(__NetBSD__) || defined(__OpenBSD__) 868 869#define IPL_VIDEO IPL_BIO /* XXX */ 870 871static int bktr_intr(void *arg) { return common_bktr_intr(arg); } 872 873#define bktr_open bktropen 874#define bktr_close bktrclose 875#define bktr_read bktrread 876#define bktr_write bktrwrite 877#define bktr_ioctl bktrioctl 878#define bktr_mmap bktrmmap 879 880vm_offset_t vm_page_alloc_contig(vm_offset_t, vm_offset_t, 881 vm_offset_t, vm_offset_t); 882 883#if defined(__OpenBSD__) 884static int bktr_probe(struct device *, void *, void *); 885#else 886static int bktr_probe(struct device *, struct cfdata *, void *); 887#endif 888static void bktr_attach(struct device *, struct device *, void *); 889 890struct cfattach bktr_ca = { 891 sizeof(struct bktr_softc), bktr_probe, bktr_attach 892}; 893 894#if defined(__NetBSD__) 895extern struct cfdriver bktr_cd; 896#else 897struct cfdriver bktr_cd = { 898 NULL, "bktr", DV_DULL 899}; 900#endif 901 902int 903bktr_probe(parent, match, aux) 904 struct device *parent; 905#if defined(__OpenBSD__) 906 void *match; 907#else 908 struct cfdata *match; 909#endif 910 void *aux; 911{ 912 struct pci_attach_args *pa = aux; 913 914 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_BROOKTREE && 915 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT848 || 916 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT849 || 917 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT878 || 918 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT879)) 919 return 1; 920 921 return 0; 922} 923 924 925/* 926 * the attach routine. 927 */ 928static void 929bktr_attach(struct device *parent, struct device *self, void *aux) 930{ 931 bktr_ptr_t bktr; 932 u_long latency; 933 u_long fun; 934 unsigned int rev; 935 936#if defined(__OpenBSD__) 937 struct pci_attach_args *pa = aux; 938 pci_chipset_tag_t pc = pa->pa_pc; 939 940 pci_intr_handle_t ih; 941 const char *intrstr; 942 int retval; 943 int unit; 944 945 bktr = (bktr_ptr_t)self; 946 unit = bktr->bktr_dev.dv_unit; 947 948 bktr->pc = pa->pa_pc; 949 bktr->tag = pa->pa_tag; 950 bktr->dmat = pa->pa_dmat; 951 952 /* 953 * map memory 954 */ 955 bktr->memt = pa->pa_memt; 956 retval = pci_mem_find(pc, pa->pa_tag, PCI_MAPREG_START, 957 &bktr->phys_base, &bktr->obmemsz, NULL); 958 if (!retval) 959 retval = bus_space_map(pa->pa_memt, bktr->phys_base, 960 bktr->obmemsz, 0, &bktr->memh); 961 if (retval) { 962 printf(": couldn't map memory\n"); 963 return; 964 } 965 966 967 /* 968 * map interrupt 969 */ 970 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 971 pa->pa_intrline, &ih)) { 972 printf(": couldn't map interrupt\n"); 973 return; 974 } 975 intrstr = pci_intr_string(pa->pa_pc, ih); 976 977 bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO, 978 bktr_intr, bktr, bktr->bktr_dev.dv_xname); 979 if (bktr->ih == NULL) { 980 printf(": couldn't establish interrupt"); 981 if (intrstr != NULL) 982 printf(" at %s", intrstr); 983 printf("\n"); 984 return; 985 } 986 987 if (intrstr != NULL) 988 printf(": %s\n", intrstr); 989#endif /* __OpenBSD__ */ 990 991#if defined(__NetBSD__) 992 struct pci_attach_args *pa = aux; 993 pci_intr_handle_t ih; 994 const char *intrstr; 995 int retval; 996 int unit; 997 998 bktr = (bktr_ptr_t)self; 999 unit = bktr->bktr_dev.dv_unit; 1000 bktr->dmat = pa->pa_dmat; 1001 1002 printf("\n"); 1003 1004 /* 1005 * map memory 1006 */ 1007 retval = pci_mapreg_map(pa, PCI_MAPREG_START, 1008 PCI_MAPREG_TYPE_MEM 1009 | PCI_MAPREG_MEM_TYPE_32BIT, 0, 1010 &bktr->memt, &bktr->memh, NULL, 1011 &bktr->obmemsz); 1012 DPR(("pci_mapreg_map: memt %x, memh %x, size %x\n", 1013 bktr->memt, (u_int)bktr->memh, (u_int)bktr->obmemsz)); 1014 if (retval) { 1015 printf("%s: couldn't map memory\n", bktr_name(bktr)); 1016 return; 1017 } 1018 1019 /* 1020 * Disable the brooktree device 1021 */ 1022 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 1023 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 1024 1025 /* 1026 * map interrupt 1027 */ 1028 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 1029 pa->pa_intrline, &ih)) { 1030 printf("%s: couldn't map interrupt\n", 1031 bktr_name(bktr)); 1032 return; 1033 } 1034 intrstr = pci_intr_string(pa->pa_pc, ih); 1035 bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO, 1036 bktr_intr, bktr); 1037 if (bktr->ih == NULL) { 1038 printf("%s: couldn't establish interrupt", 1039 bktr_name(bktr)); 1040 if (intrstr != NULL) 1041 printf(" at %s", intrstr); 1042 printf("\n"); 1043 return; 1044 } 1045 if (intrstr != NULL) 1046 printf("%s: interrupting at %s\n", bktr_name(bktr), 1047 intrstr); 1048#endif /* __NetBSD__ */ 1049 1050/* 1051 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 1052 * you have more than four, then 16 would probably be a better value. 1053 */ 1054#ifndef BROOKTREE_DEF_LATENCY_VALUE 1055#define BROOKTREE_DEF_LATENCY_VALUE 10 1056#endif 1057 latency = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_LATENCY_TIMER); 1058 latency = (latency >> 8) & 0xff; 1059 1060 if (!latency) { 1061 if (bootverbose) { 1062 printf("%s: PCI bus latency was 0 changing to %d", 1063 bktr_name(bktr), BROOKTREE_DEF_LATENCY_VALUE); 1064 } 1065 latency = BROOKTREE_DEF_LATENCY_VALUE; 1066 pci_conf_write(pa->pa_pc, pa->pa_tag, 1067 PCI_LATENCY_TIMER, latency<<8); 1068 } 1069 1070 1071 /* Enabled Bus Master 1072 XXX: check if all old DMA is stopped first (e.g. after warm 1073 boot) */ 1074 fun = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 1075 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 1076 fun | PCI_COMMAND_MASTER_ENABLE); 1077 1078 /* read the pci id and determine the card type */ 1079 fun = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ID_REG); 1080 rev = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG) & 0x000000ff; 1081 1082 common_bktr_attach(bktr, unit, fun, rev); 1083} 1084 1085 1086/* 1087 * Special Memory Allocation 1088 */ 1089vm_offset_t 1090get_bktr_mem(bktr, dmapp, size) 1091 bktr_ptr_t bktr; 1092 bus_dmamap_t *dmapp; 1093 unsigned int size; 1094{ 1095 bus_dma_tag_t dmat = bktr->dmat; 1096 bus_dma_segment_t seg; 1097 bus_size_t align; 1098 int rseg; 1099 caddr_t kva; 1100 1101 /* 1102 * Allocate a DMA area 1103 */ 1104 align = 1 << 24; 1105 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, 1106 &rseg, BUS_DMA_NOWAIT)) { 1107 align = PAGE_SIZE; 1108 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, 1109 &rseg, BUS_DMA_NOWAIT)) { 1110 printf("%s: Unable to dmamem_alloc of %d bytes\n", 1111 bktr_name(bktr), size); 1112 return 0; 1113 } 1114 } 1115 if (bus_dmamem_map(dmat, &seg, rseg, size, 1116 &kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) { 1117 printf("%s: Unable to dmamem_map of %d bytes\n", 1118 bktr_name(bktr), size); 1119 bus_dmamem_free(dmat, &seg, rseg); 1120 return 0; 1121 } 1122#ifdef __OpenBSD__ 1123 bktr->dm_mapsize = size; 1124#endif 1125 /* 1126 * Create and locd the DMA map for the DMA area 1127 */ 1128 if (bus_dmamap_create(dmat, size, 1, size, 0, BUS_DMA_NOWAIT, dmapp)) { 1129 printf("%s: Unable to dmamap_create of %d bytes\n", 1130 bktr_name(bktr), size); 1131 bus_dmamem_unmap(dmat, kva, size); 1132 bus_dmamem_free(dmat, &seg, rseg); 1133 return 0; 1134 } 1135 if (bus_dmamap_load(dmat, *dmapp, kva, size, NULL, BUS_DMA_NOWAIT)) { 1136 printf("%s: Unable to dmamap_load of %d bytes\n", 1137 bktr_name(bktr), size); 1138 bus_dmamem_unmap(dmat, kva, size); 1139 bus_dmamem_free(dmat, &seg, rseg); 1140 bus_dmamap_destroy(dmat, *dmapp); 1141 return 0; 1142 } 1143 return (vm_offset_t)kva; 1144} 1145 1146void 1147free_bktr_mem(bktr, dmap, kva) 1148 bktr_ptr_t bktr; 1149 bus_dmamap_t dmap; 1150 vm_offset_t kva; 1151{ 1152 bus_dma_tag_t dmat = bktr->dmat; 1153 1154#ifdef __NetBSD__ 1155 bus_dmamem_unmap(dmat, (caddr_t)kva, dmap->dm_mapsize); 1156#else 1157 bus_dmamem_unmap(dmat, (caddr_t)kva, bktr->dm_mapsize); 1158#endif 1159 bus_dmamem_free(dmat, dmap->dm_segs, 1); 1160 bus_dmamap_destroy(dmat, dmap); 1161} 1162 1163 1164/*--------------------------------------------------------- 1165** 1166** BrookTree 848 character device driver routines 1167** 1168**--------------------------------------------------------- 1169*/ 1170 1171 1172#define VIDEO_DEV 0x00 1173#define TUNER_DEV 0x01 1174#define VBI_DEV 0x02 1175 1176#define UNIT(x) (minor((x) & 0x0f)) 1177#define FUNCTION(x) (minor((x >> 4) & 0x0f)) 1178 1179/* 1180 * 1181 */ 1182int 1183bktr_open(dev_t dev, int flags, int fmt, struct thread *td) 1184{ 1185 bktr_ptr_t bktr; 1186 int unit; 1187 1188 unit = UNIT(dev); 1189 1190 /* unit out of range */ 1191 if ((unit > bktr_cd.cd_ndevs) || (bktr_cd.cd_devs[unit] == NULL)) 1192 return(ENXIO); 1193 1194 bktr = bktr_cd.cd_devs[unit]; 1195 1196 if (!(bktr->flags & METEOR_INITALIZED)) /* device not found */ 1197 return(ENXIO); 1198 1199 switch (FUNCTION(dev)) { 1200 case VIDEO_DEV: 1201 return(video_open(bktr)); 1202 case TUNER_DEV: 1203 return(tuner_open(bktr)); 1204 case VBI_DEV: 1205 return(vbi_open(bktr)); 1206 } 1207 1208 return(ENXIO); 1209} 1210 1211 1212/* 1213 * 1214 */ 1215int 1216bktr_close(dev_t dev, int flags, int fmt, struct thread *td) 1217{ 1218 bktr_ptr_t bktr; 1219 int unit; 1220 1221 unit = UNIT(dev); 1222 1223 bktr = bktr_cd.cd_devs[unit]; 1224 1225 switch (FUNCTION(dev)) { 1226 case VIDEO_DEV: 1227 return(video_close(bktr)); 1228 case TUNER_DEV: 1229 return(tuner_close(bktr)); 1230 case VBI_DEV: 1231 return(vbi_close(bktr)); 1232 } 1233 1234 return(ENXIO); 1235} 1236 1237/* 1238 * 1239 */ 1240int 1241bktr_read(dev_t dev, struct uio *uio, int ioflag) 1242{ 1243 bktr_ptr_t bktr; 1244 int unit; 1245 1246 unit = UNIT(dev); 1247 1248 bktr = bktr_cd.cd_devs[unit]; 1249 1250 switch (FUNCTION(dev)) { 1251 case VIDEO_DEV: 1252 return(video_read(bktr, unit, dev, uio)); 1253 case VBI_DEV: 1254 return(vbi_read(bktr, uio, ioflag)); 1255 } 1256 1257 return(ENXIO); 1258} 1259 1260 1261/* 1262 * 1263 */ 1264int 1265bktr_write(dev_t dev, struct uio *uio, int ioflag) 1266{ 1267 /* operation not supported */ 1268 return(EOPNOTSUPP); 1269} 1270 1271/* 1272 * 1273 */ 1274int 1275bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct thread *td) 1276{ 1277 bktr_ptr_t bktr; 1278 int unit; 1279 1280 unit = UNIT(dev); 1281 1282 bktr = bktr_cd.cd_devs[unit]; 1283 1284 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 1285 return(ENOMEM); 1286 1287 switch (FUNCTION(dev)) { 1288 case VIDEO_DEV: 1289 return(video_ioctl(bktr, unit, cmd, arg, pr)); 1290 case TUNER_DEV: 1291 return(tuner_ioctl(bktr, unit, cmd, arg, pr)); 1292 } 1293 1294 return(ENXIO); 1295} 1296 1297/* 1298 * 1299 */ 1300paddr_t 1301bktr_mmap(dev_t dev, off_t offset, int nprot) 1302{ 1303 int unit; 1304 bktr_ptr_t bktr; 1305 1306 unit = UNIT(dev); 1307 1308 if (FUNCTION(dev) > 0) /* only allow mmap on /dev/bktr[n] */ 1309 return(-1); 1310 1311 bktr = bktr_cd.cd_devs[unit]; 1312 1313 if ((vaddr_t)offset < 0) 1314 return(-1); 1315 1316 if ((vaddr_t)offset >= bktr->alloc_pages * PAGE_SIZE) 1317 return(-1); 1318 1319#ifdef __NetBSD__ 1320 return (bus_dmamem_mmap(bktr->dmat, bktr->dm_mem->dm_segs, 1, 1321 (vaddr_t)offset, nprot, BUS_DMA_WAITOK)); 1322#else 1323 return(i386_btop(vtophys(bktr->bigbuf) + offset)); 1324#endif 1325} 1326 1327#endif /* __NetBSD__ || __OpenBSD__ */ 1328