bktr_os.c revision 126076
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 126076 2004-02-21 19:42:58Z 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/signalvar.h> 66#include <sys/malloc.h> 67#include <sys/mman.h> 68#include <sys/poll.h> 69#if __FreeBSD_version >= 500014 70#include <sys/selinfo.h> 71#else 72#include <sys/select.h> 73#endif 74#include <sys/vnode.h> 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#if (__FreeBSD_version >=400000) 82#include <sys/bus.h> /* used by smbus and newbus */ 83#endif 84 85#if (__FreeBSD_version >=300000) 86#include <machine/bus_memio.h> /* used by bus space */ 87#include <machine/bus.h> /* used by bus space and newbus */ 88#include <sys/bus.h> 89#endif 90 91#if (__FreeBSD_version >=400000) 92#include <sys/rman.h> /* used by newbus */ 93#include <machine/resource.h> /* used by newbus */ 94#endif 95 96#if (__FreeBSD_version < 500000) 97#include <machine/clock.h> /* for DELAY */ 98#include <pci/pcivar.h> 99#include <pci/pcireg.h> 100#else 101#include <dev/pci/pcivar.h> 102#include <dev/pci/pcireg.h> 103#endif 104 105#include <sys/sysctl.h> 106int bt848_card = -1; 107int bt848_tuner = -1; 108int bt848_reverse_mute = -1; 109int bt848_format = -1; 110int bt848_slow_msp_audio = -1; 111#ifdef BKTR_NEW_MSP34XX_DRIVER 112int bt848_stereo_once = 0; /* no continuous stereo monitoring */ 113int bt848_amsound = 0; /* hard-wire AM sound at 6.5 Hz (france), 114 the autoscan seems work well only with FM... */ 115int bt848_dolby = 0; 116#endif 117 118SYSCTL_NODE(_hw, OID_AUTO, bt848, CTLFLAG_RW, 0, "Bt848 Driver mgmt"); 119SYSCTL_INT(_hw_bt848, OID_AUTO, card, CTLFLAG_RW, &bt848_card, -1, ""); 120SYSCTL_INT(_hw_bt848, OID_AUTO, tuner, CTLFLAG_RW, &bt848_tuner, -1, ""); 121SYSCTL_INT(_hw_bt848, OID_AUTO, reverse_mute, CTLFLAG_RW, &bt848_reverse_mute, -1, ""); 122SYSCTL_INT(_hw_bt848, OID_AUTO, format, CTLFLAG_RW, &bt848_format, -1, ""); 123SYSCTL_INT(_hw_bt848, OID_AUTO, slow_msp_audio, CTLFLAG_RW, &bt848_slow_msp_audio, -1, ""); 124#ifdef BKTR_NEW_MSP34XX_DRIVER 125SYSCTL_INT(_hw_bt848, OID_AUTO, stereo_once, CTLFLAG_RW, &bt848_stereo_once, 0, ""); 126SYSCTL_INT(_hw_bt848, OID_AUTO, amsound, CTLFLAG_RW, &bt848_amsound, 0, ""); 127SYSCTL_INT(_hw_bt848, OID_AUTO, dolby, CTLFLAG_RW, &bt848_dolby, 0, ""); 128#endif 129 130#endif /* end freebsd section */ 131 132 133 134/****************/ 135/* *** BSDI *** */ 136/****************/ 137#ifdef __bsdi__ 138#endif /* __bsdi__ */ 139 140 141/**************************/ 142/* *** OpenBSD/NetBSD *** */ 143/**************************/ 144#if defined(__NetBSD__) || defined(__OpenBSD__) 145 146#include <sys/param.h> 147#include <sys/systm.h> 148#include <sys/conf.h> 149#include <sys/uio.h> 150#include <sys/kernel.h> 151#include <sys/signalvar.h> 152#include <sys/mman.h> 153#include <sys/poll.h> 154#include <sys/select.h> 155#include <sys/vnode.h> 156 157#include <vm/vm.h> 158 159#ifndef __NetBSD__ 160#include <vm/vm_kern.h> 161#include <vm/pmap.h> 162#include <vm/vm_extern.h> 163#endif 164 165#include <sys/device.h> 166#include <dev/pci/pcivar.h> 167#include <dev/pci/pcireg.h> 168#include <dev/pci/pcidevs.h> 169 170#define BKTR_DEBUG 171#ifdef BKTR_DEBUG 172int bktr_debug = 0; 173#define DPR(x) (bktr_debug ? printf x : 0) 174#else 175#define DPR(x) 176#endif 177#endif /* __NetBSD__ || __OpenBSD__ */ 178 179 180#ifdef __NetBSD__ 181#include <dev/ic/bt8xx.h> /* NetBSD location for .h files */ 182#include <dev/pci/bktr/bktr_reg.h> 183#include <dev/pci/bktr/bktr_tuner.h> 184#include <dev/pci/bktr/bktr_card.h> 185#include <dev/pci/bktr/bktr_audio.h> 186#include <dev/pci/bktr/bktr_core.h> 187#include <dev/pci/bktr/bktr_os.h> 188#else /* Traditional location for .h files */ 189#include <dev/bktr/ioctl_meteor.h> 190#include <dev/bktr/ioctl_bt848.h> /* extensions to ioctl_meteor.h */ 191#include <dev/bktr/bktr_reg.h> 192#include <dev/bktr/bktr_tuner.h> 193#include <dev/bktr/bktr_card.h> 194#include <dev/bktr/bktr_audio.h> 195#include <dev/bktr/bktr_core.h> 196#include <dev/bktr/bktr_os.h> 197 198#if defined(BKTR_USE_FREEBSD_SMBUS) 199#include <dev/bktr/bktr_i2c.h> 200 201#include "iicbb_if.h" 202#include "smbus_if.h" 203#endif 204#endif 205 206 207/****************************/ 208/* *** FreeBSD 4.x code *** */ 209/****************************/ 210#if (__FreeBSD_version >= 400000) 211 212static int bktr_probe( device_t dev ); 213static int bktr_attach( device_t dev ); 214static int bktr_detach( device_t dev ); 215static int bktr_shutdown( device_t dev ); 216static void bktr_intr(void *arg) { common_bktr_intr(arg); } 217 218static device_method_t bktr_methods[] = { 219 /* Device interface */ 220 DEVMETHOD(device_probe, bktr_probe), 221 DEVMETHOD(device_attach, bktr_attach), 222 DEVMETHOD(device_detach, bktr_detach), 223 DEVMETHOD(device_shutdown, bktr_shutdown), 224 225#if defined(BKTR_USE_FREEBSD_SMBUS) 226 /* iicbb interface */ 227 DEVMETHOD(iicbb_callback, bti2c_iic_callback), 228 DEVMETHOD(iicbb_setsda, bti2c_iic_setsda), 229 DEVMETHOD(iicbb_setscl, bti2c_iic_setscl), 230 DEVMETHOD(iicbb_getsda, bti2c_iic_getsda), 231 DEVMETHOD(iicbb_getscl, bti2c_iic_getscl), 232 DEVMETHOD(iicbb_reset, bti2c_iic_reset), 233 234 /* smbus interface */ 235 DEVMETHOD(smbus_callback, bti2c_smb_callback), 236 DEVMETHOD(smbus_writeb, bti2c_smb_writeb), 237 DEVMETHOD(smbus_writew, bti2c_smb_writew), 238 DEVMETHOD(smbus_readb, bti2c_smb_readb), 239#endif 240 241 { 0, 0 } 242}; 243 244static driver_t bktr_driver = { 245 "bktr", 246 bktr_methods, 247 sizeof(struct bktr_softc), 248}; 249 250static devclass_t bktr_devclass; 251 252static d_open_t bktr_open; 253static d_close_t bktr_close; 254static d_read_t bktr_read; 255static d_write_t bktr_write; 256static d_ioctl_t bktr_ioctl; 257static d_mmap_t bktr_mmap; 258static d_poll_t bktr_poll; 259 260static struct cdevsw bktr_cdevsw = { 261 .d_open = bktr_open, 262 .d_close = bktr_close, 263 .d_read = bktr_read, 264 .d_write = bktr_write, 265 .d_ioctl = bktr_ioctl, 266 .d_poll = bktr_poll, 267 .d_mmap = bktr_mmap, 268 .d_name = "bktr", 269}; 270 271DRIVER_MODULE(bktr, pci, bktr_driver, bktr_devclass, 0, 0); 272#if (__FreeBSD_version > 410000) 273MODULE_DEPEND(bktr, bktr_mem, 1,1,1); 274MODULE_VERSION(bktr, 1); 275#endif 276 277 278/* 279 * the boot time probe routine. 280 */ 281static int 282bktr_probe( device_t dev ) 283{ 284 unsigned int type = pci_get_devid(dev); 285 unsigned int rev = pci_get_revid(dev); 286 287 if (PCI_VENDOR(type) == PCI_VENDOR_BROOKTREE) 288 { 289 switch (PCI_PRODUCT(type)) { 290 case PCI_PRODUCT_BROOKTREE_BT848: 291 if (rev == 0x12) 292 device_set_desc(dev, "BrookTree 848A"); 293 else 294 device_set_desc(dev, "BrookTree 848"); 295 return 0; 296 case PCI_PRODUCT_BROOKTREE_BT849: 297 device_set_desc(dev, "BrookTree 849A"); 298 return 0; 299 case PCI_PRODUCT_BROOKTREE_BT878: 300 device_set_desc(dev, "BrookTree 878"); 301 return 0; 302 case PCI_PRODUCT_BROOKTREE_BT879: 303 device_set_desc(dev, "BrookTree 879"); 304 return 0; 305 } 306 }; 307 308 return ENXIO; 309} 310 311 312/* 313 * the attach routine. 314 */ 315static int 316bktr_attach( device_t dev ) 317{ 318 u_long latency; 319 u_long fun; 320 u_long val; 321 unsigned int rev; 322 unsigned int unit; 323 int error = 0; 324#ifdef BROOKTREE_IRQ 325 u_long old_irq, new_irq; 326#endif 327 328 struct bktr_softc *bktr = device_get_softc(dev); 329 330 unit = device_get_unit(dev); 331 332 /* build the device name for bktr_name() */ 333 snprintf(bktr->bktr_xname, sizeof(bktr->bktr_xname), "bktr%d",unit); 334 335 /* 336 * Enable bus mastering and Memory Mapped device 337 */ 338 val = pci_read_config(dev, PCIR_COMMAND, 4); 339 val |= (PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN); 340 pci_write_config(dev, PCIR_COMMAND, val, 4); 341 342 /* 343 * Map control/status registers. 344 */ 345 bktr->mem_rid = PCIR_BAR(0); 346 bktr->res_mem = bus_alloc_resource(dev, SYS_RES_MEMORY, &bktr->mem_rid, 347 0, ~0, 1, RF_ACTIVE); 348 349 350 if (!bktr->res_mem) { 351 device_printf(dev, "could not map memory\n"); 352 error = ENXIO; 353 goto fail; 354 } 355 bktr->memt = rman_get_bustag(bktr->res_mem); 356 bktr->memh = rman_get_bushandle(bktr->res_mem); 357 358 359 /* 360 * Disable the brooktree device 361 */ 362 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 363 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 364 365 366#ifdef BROOKTREE_IRQ /* from the configuration file */ 367 old_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 368 pci_conf_write(tag, PCI_INTERRUPT_REG, BROOKTREE_IRQ); 369 new_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 370 printf("bktr%d: attach: irq changed from %d to %d\n", 371 unit, (old_irq & 0xff), (new_irq & 0xff)); 372#endif 373 374 /* 375 * Allocate our interrupt. 376 */ 377 bktr->irq_rid = 0; 378 bktr->res_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &bktr->irq_rid, 379 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE); 380 if (bktr->res_irq == NULL) { 381 device_printf(dev, "could not map interrupt\n"); 382 error = ENXIO; 383 goto fail; 384 } 385 386 error = bus_setup_intr(dev, bktr->res_irq, INTR_TYPE_TTY, 387 bktr_intr, bktr, &bktr->res_ih); 388 if (error) { 389 device_printf(dev, "could not setup irq\n"); 390 goto fail; 391 392 } 393 394 395 /* Update the Device Control Register */ 396 /* on Bt878 and Bt879 cards */ 397 fun = pci_read_config( dev, 0x40, 2); 398 fun = fun | 1; /* Enable writes to the sub-system vendor ID */ 399 400#if defined( BKTR_430_FX_MODE ) 401 if (bootverbose) printf("Using 430 FX chipset compatibilty mode\n"); 402 fun = fun | 2; /* Enable Intel 430 FX compatibility mode */ 403#endif 404 405#if defined( BKTR_SIS_VIA_MODE ) 406 if (bootverbose) printf("Using SiS/VIA chipset compatibilty mode\n"); 407 fun = fun | 4; /* Enable SiS/VIA compatibility mode (usefull for 408 OPTi chipset motherboards too */ 409#endif 410 pci_write_config(dev, 0x40, fun, 2); 411 412#if defined(BKTR_USE_FREEBSD_SMBUS) 413 if (bt848_i2c_attach(dev)) 414 printf("bktr%d: i2c_attach: can't attach\n", unit); 415#endif 416 417/* 418 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 419 * you have more than four, then 16 would probably be a better value. 420 */ 421#ifndef BROOKTREE_DEF_LATENCY_VALUE 422#define BROOKTREE_DEF_LATENCY_VALUE 10 423#endif 424 latency = pci_read_config(dev, PCI_LATENCY_TIMER, 4); 425 latency = (latency >> 8) & 0xff; 426 if ( bootverbose ) { 427 if (latency) 428 printf("brooktree%d: PCI bus latency is", unit); 429 else 430 printf("brooktree%d: PCI bus latency was 0 changing to", 431 unit); 432 } 433 if ( !latency ) { 434 latency = BROOKTREE_DEF_LATENCY_VALUE; 435 pci_write_config(dev, PCI_LATENCY_TIMER, latency<<8, 4); 436 } 437 if ( bootverbose ) { 438 printf(" %d.\n", (int) latency); 439 } 440 441 /* read the pci device id and revision id */ 442 fun = pci_get_devid(dev); 443 rev = pci_get_revid(dev); 444 445 /* call the common attach code */ 446 common_bktr_attach( bktr, unit, fun, rev ); 447 448 /* make the device entries */ 449 bktr->bktrdev = make_dev(&bktr_cdevsw, unit, 450 0, 0, 0444, "bktr%d", unit); 451 bktr->tunerdev= make_dev(&bktr_cdevsw, unit+16, 452 0, 0, 0444, "tuner%d", unit); 453 bktr->vbidev = make_dev(&bktr_cdevsw, unit+32, 454 0, 0, 0444, "vbi%d" , unit); 455 456 457 /* if this is unit 0 (/dev/bktr0, /dev/tuner0, /dev/vbi0) then make */ 458 /* alias entries to /dev/bktr /dev/tuner and /dev/vbi */ 459#if (__FreeBSD_version >=500000) 460 if (unit == 0) { 461 bktr->bktrdev_alias = make_dev_alias(bktr->bktrdev, "bktr"); 462 bktr->tunerdev_alias= make_dev_alias(bktr->tunerdev, "tuner"); 463 bktr->vbidev_alias = make_dev_alias(bktr->vbidev, "vbi"); 464 } 465#endif 466 467 return 0; 468 469fail: 470 if (bktr->res_irq) 471 bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq); 472 if (bktr->res_mem) 473 bus_release_resource(dev, SYS_RES_IRQ, bktr->mem_rid, bktr->res_mem); 474 return error; 475 476} 477 478/* 479 * the detach routine. 480 */ 481static int 482bktr_detach( device_t dev ) 483{ 484 struct bktr_softc *bktr = device_get_softc(dev); 485 486#ifdef BKTR_NEW_MSP34XX_DRIVER 487 /* Disable the soundchip and kernel thread */ 488 if (bktr->msp3400c_info != NULL) 489 msp_detach(bktr); 490#endif 491 492 /* Disable the brooktree device */ 493 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 494 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 495 496#if defined(BKTR_USE_FREEBSD_SMBUS) 497 if (bt848_i2c_detach(dev)) 498 printf("bktr%d: i2c_attach: can't attach\n", 499 device_get_unit(dev)); 500#endif 501#ifdef USE_VBIMUTEX 502 mtx_destroy(&bktr->vbimutex); 503#endif 504 505 /* Note: We do not free memory for RISC programs, grab buffer, vbi buffers */ 506 /* The memory is retained by the bktr_mem module so we can unload and */ 507 /* then reload the main bktr driver module */ 508 509 /* Unregister the /dev/bktrN, tunerN and vbiN devices, 510 * the aliases for unit 0 are automatically destroyed */ 511 destroy_dev(bktr->vbidev); 512 destroy_dev(bktr->tunerdev); 513 destroy_dev(bktr->bktrdev); 514 515 /* 516 * Deallocate resources. 517 */ 518 bus_teardown_intr(dev, bktr->res_irq, bktr->res_ih); 519 bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq); 520 bus_release_resource(dev, SYS_RES_MEMORY, bktr->mem_rid, bktr->res_mem); 521 522 return 0; 523} 524 525/* 526 * the shutdown routine. 527 */ 528static int 529bktr_shutdown( device_t dev ) 530{ 531 struct bktr_softc *bktr = device_get_softc(dev); 532 533 /* Disable the brooktree device */ 534 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 535 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 536 537 return 0; 538} 539 540 541/* 542 * Special Memory Allocation 543 */ 544vm_offset_t 545get_bktr_mem( int unit, unsigned size ) 546{ 547 vm_offset_t addr = 0; 548 549 addr = (vm_offset_t)contigmalloc(size, M_DEVBUF, M_NOWAIT, 0, 550 0xffffffff, 1<<24, 0); 551 if (addr == 0) 552 addr = (vm_offset_t)contigmalloc(size, M_DEVBUF, M_NOWAIT, 0, 553 0xffffffff, PAGE_SIZE, 0); 554 if (addr == 0) { 555 printf("bktr%d: Unable to allocate %d bytes of memory.\n", 556 unit, size); 557 } 558 559 return( addr ); 560} 561 562 563/*--------------------------------------------------------- 564** 565** BrookTree 848 character device driver routines 566** 567**--------------------------------------------------------- 568*/ 569 570#define VIDEO_DEV 0x00 571#define TUNER_DEV 0x01 572#define VBI_DEV 0x02 573 574#define UNIT(x) ((x) & 0x0f) 575#define FUNCTION(x) (x >> 4) 576 577/* 578 * 579 */ 580static int 581bktr_open( dev_t dev, int flags, int fmt, struct thread *td ) 582{ 583 bktr_ptr_t bktr; 584 int unit; 585 int result; 586 587 unit = UNIT( minor(dev) ); 588 589 /* Get the device data */ 590 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 591 if (bktr == NULL) { 592 /* the device is no longer valid/functioning */ 593 return (ENXIO); 594 } 595 596 if (!(bktr->flags & METEOR_INITALIZED)) /* device not found */ 597 return( ENXIO ); 598 599 /* Record that the device is now busy */ 600 device_busy(devclass_get_device(bktr_devclass, unit)); 601 602 603 if (bt848_card != -1) { 604 if ((bt848_card >> 8 == unit ) && 605 ( (bt848_card & 0xff) < Bt848_MAX_CARD )) { 606 if ( bktr->bt848_card != (bt848_card & 0xff) ) { 607 bktr->bt848_card = (bt848_card & 0xff); 608 probeCard(bktr, FALSE, unit); 609 } 610 } 611 } 612 613 if (bt848_tuner != -1) { 614 if ((bt848_tuner >> 8 == unit ) && 615 ( (bt848_tuner & 0xff) < Bt848_MAX_TUNER )) { 616 if ( bktr->bt848_tuner != (bt848_tuner & 0xff) ) { 617 bktr->bt848_tuner = (bt848_tuner & 0xff); 618 probeCard(bktr, FALSE, unit); 619 } 620 } 621 } 622 623 if (bt848_reverse_mute != -1) { 624 if ((bt848_reverse_mute >> 8) == unit ) { 625 bktr->reverse_mute = bt848_reverse_mute & 0xff; 626 } 627 } 628 629 if (bt848_slow_msp_audio != -1) { 630 if ((bt848_slow_msp_audio >> 8) == unit ) { 631 bktr->slow_msp_audio = (bt848_slow_msp_audio & 0xff); 632 } 633 } 634 635#ifdef BKTR_NEW_MSP34XX_DRIVER 636 if (bt848_stereo_once != 0) { 637 if ((bt848_stereo_once >> 8) == unit ) { 638 bktr->stereo_once = (bt848_stereo_once & 0xff); 639 } 640 } 641 642 if (bt848_amsound != -1) { 643 if ((bt848_amsound >> 8) == unit ) { 644 bktr->amsound = (bt848_amsound & 0xff); 645 } 646 } 647 648 if (bt848_dolby != -1) { 649 if ((bt848_dolby >> 8) == unit ) { 650 bktr->dolby = (bt848_dolby & 0xff); 651 } 652 } 653#endif 654 655 switch ( FUNCTION( minor(dev) ) ) { 656 case VIDEO_DEV: 657 result = video_open( bktr ); 658 break; 659 case TUNER_DEV: 660 result = tuner_open( bktr ); 661 break; 662 case VBI_DEV: 663 result = vbi_open( bktr ); 664 break; 665 default: 666 result = ENXIO; 667 break; 668 } 669 670 /* If there was an error opening the device, undo the busy status */ 671 if (result != 0) 672 device_unbusy(devclass_get_device(bktr_devclass, unit)); 673 return( result ); 674} 675 676 677/* 678 * 679 */ 680static int 681bktr_close( dev_t dev, int flags, int fmt, struct thread *td ) 682{ 683 bktr_ptr_t bktr; 684 int unit; 685 int result; 686 687 unit = UNIT( minor(dev) ); 688 689 /* Get the device data */ 690 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 691 if (bktr == NULL) { 692 /* the device is no longer valid/functioning */ 693 return (ENXIO); 694 } 695 696 switch ( FUNCTION( minor(dev) ) ) { 697 case VIDEO_DEV: 698 result = video_close( bktr ); 699 break; 700 case TUNER_DEV: 701 result = tuner_close( bktr ); 702 break; 703 case VBI_DEV: 704 result = vbi_close( bktr ); 705 break; 706 default: 707 return (ENXIO); 708 break; 709 } 710 711 device_unbusy(devclass_get_device(bktr_devclass, unit)); 712 return( result ); 713} 714 715 716/* 717 * 718 */ 719static int 720bktr_read( dev_t dev, struct uio *uio, int ioflag ) 721{ 722 bktr_ptr_t bktr; 723 int unit; 724 725 unit = UNIT(minor(dev)); 726 727 /* Get the device data */ 728 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 729 if (bktr == NULL) { 730 /* the device is no longer valid/functioning */ 731 return (ENXIO); 732 } 733 734 switch ( FUNCTION( minor(dev) ) ) { 735 case VIDEO_DEV: 736 return( video_read( bktr, unit, dev, uio ) ); 737 case VBI_DEV: 738 return( vbi_read( bktr, uio, ioflag ) ); 739 } 740 return( ENXIO ); 741} 742 743 744/* 745 * 746 */ 747static int 748bktr_write( dev_t dev, struct uio *uio, int ioflag ) 749{ 750 return( EINVAL ); /* XXX or ENXIO ? */ 751} 752 753 754/* 755 * 756 */ 757static int 758bktr_ioctl( dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct thread *td ) 759{ 760 bktr_ptr_t bktr; 761 int unit; 762 763 unit = UNIT(minor(dev)); 764 765 /* Get the device data */ 766 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 767 if (bktr == NULL) { 768 /* the device is no longer valid/functioning */ 769 return (ENXIO); 770 } 771 772 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 773 return( ENOMEM ); 774 775 switch ( FUNCTION( minor(dev) ) ) { 776 case VIDEO_DEV: 777 return( video_ioctl( bktr, unit, cmd, arg, td ) ); 778 case TUNER_DEV: 779 return( tuner_ioctl( bktr, unit, cmd, arg, td ) ); 780 } 781 782 return( ENXIO ); 783} 784 785 786/* 787 * 788 */ 789static int 790bktr_mmap( dev_t dev, vm_offset_t offset, vm_paddr_t *paddr, int nprot ) 791{ 792 int unit; 793 bktr_ptr_t bktr; 794 795 unit = UNIT(minor(dev)); 796 797 if (FUNCTION(minor(dev)) > 0) /* only allow mmap on /dev/bktr[n] */ 798 return( -1 ); 799 800 /* Get the device data */ 801 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 802 if (bktr == NULL) { 803 /* the device is no longer valid/functioning */ 804 return (ENXIO); 805 } 806 807 if (nprot & PROT_EXEC) 808 return( -1 ); 809 810 if (offset < 0) 811 return( -1 ); 812 813 if (offset >= bktr->alloc_pages * PAGE_SIZE) 814 return( -1 ); 815 816 *paddr = vtophys(bktr->bigbuf) + offset; 817 return( 0 ); 818} 819 820static int 821bktr_poll( dev_t dev, int events, struct thread *td) 822{ 823 int unit; 824 bktr_ptr_t bktr; 825 int revents = 0; 826 DECLARE_INTR_MASK(s); 827 828 unit = UNIT(minor(dev)); 829 830 /* Get the device data */ 831 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 832 if (bktr == NULL) { 833 /* the device is no longer valid/functioning */ 834 return (ENXIO); 835 } 836 837 LOCK_VBI(bktr); 838 DISABLE_INTR(s); 839 840 if (events & (POLLIN | POLLRDNORM)) { 841 842 switch ( FUNCTION( minor(dev) ) ) { 843 case VBI_DEV: 844 if(bktr->vbisize == 0) 845 selrecord(td, &bktr->vbi_select); 846 else 847 revents |= events & (POLLIN | POLLRDNORM); 848 break; 849 } 850 } 851 852 ENABLE_INTR(s); 853 UNLOCK_VBI(bktr); 854 855 return (revents); 856} 857 858#endif /* FreeBSD 4.x specific kernel interface routines */ 859 860/*****************/ 861/* *** BSDI *** */ 862/*****************/ 863 864#if defined(__bsdi__) 865#endif /* __bsdi__ BSDI specific kernel interface routines */ 866 867 868/*****************************/ 869/* *** OpenBSD / NetBSD *** */ 870/*****************************/ 871#if defined(__NetBSD__) || defined(__OpenBSD__) 872 873#define IPL_VIDEO IPL_BIO /* XXX */ 874 875static int bktr_intr(void *arg) { return common_bktr_intr(arg); } 876 877#define bktr_open bktropen 878#define bktr_close bktrclose 879#define bktr_read bktrread 880#define bktr_write bktrwrite 881#define bktr_ioctl bktrioctl 882#define bktr_mmap bktrmmap 883 884vm_offset_t vm_page_alloc_contig(vm_offset_t, vm_offset_t, 885 vm_offset_t, vm_offset_t); 886 887#if defined(__OpenBSD__) 888static int bktr_probe(struct device *, void *, void *); 889#else 890static int bktr_probe(struct device *, struct cfdata *, void *); 891#endif 892static void bktr_attach(struct device *, struct device *, void *); 893 894struct cfattach bktr_ca = { 895 sizeof(struct bktr_softc), bktr_probe, bktr_attach 896}; 897 898#if defined(__NetBSD__) 899extern struct cfdriver bktr_cd; 900#else 901struct cfdriver bktr_cd = { 902 NULL, "bktr", DV_DULL 903}; 904#endif 905 906int 907bktr_probe(parent, match, aux) 908 struct device *parent; 909#if defined(__OpenBSD__) 910 void *match; 911#else 912 struct cfdata *match; 913#endif 914 void *aux; 915{ 916 struct pci_attach_args *pa = aux; 917 918 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_BROOKTREE && 919 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT848 || 920 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT849 || 921 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT878 || 922 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT879)) 923 return 1; 924 925 return 0; 926} 927 928 929/* 930 * the attach routine. 931 */ 932static void 933bktr_attach(struct device *parent, struct device *self, void *aux) 934{ 935 bktr_ptr_t bktr; 936 u_long latency; 937 u_long fun; 938 unsigned int rev; 939 940#if defined(__OpenBSD__) 941 struct pci_attach_args *pa = aux; 942 pci_chipset_tag_t pc = pa->pa_pc; 943 944 pci_intr_handle_t ih; 945 const char *intrstr; 946 int retval; 947 int unit; 948 949 bktr = (bktr_ptr_t)self; 950 unit = bktr->bktr_dev.dv_unit; 951 952 bktr->pc = pa->pa_pc; 953 bktr->tag = pa->pa_tag; 954 bktr->dmat = pa->pa_dmat; 955 956 /* 957 * map memory 958 */ 959 bktr->memt = pa->pa_memt; 960 retval = pci_mem_find(pc, pa->pa_tag, PCI_MAPREG_START, 961 &bktr->phys_base, &bktr->obmemsz, NULL); 962 if (!retval) 963 retval = bus_space_map(pa->pa_memt, bktr->phys_base, 964 bktr->obmemsz, 0, &bktr->memh); 965 if (retval) { 966 printf(": couldn't map memory\n"); 967 return; 968 } 969 970 971 /* 972 * map interrupt 973 */ 974 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 975 pa->pa_intrline, &ih)) { 976 printf(": couldn't map interrupt\n"); 977 return; 978 } 979 intrstr = pci_intr_string(pa->pa_pc, ih); 980 981 bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO, 982 bktr_intr, bktr, bktr->bktr_dev.dv_xname); 983 if (bktr->ih == NULL) { 984 printf(": couldn't establish interrupt"); 985 if (intrstr != NULL) 986 printf(" at %s", intrstr); 987 printf("\n"); 988 return; 989 } 990 991 if (intrstr != NULL) 992 printf(": %s\n", intrstr); 993#endif /* __OpenBSD__ */ 994 995#if defined(__NetBSD__) 996 struct pci_attach_args *pa = aux; 997 pci_intr_handle_t ih; 998 const char *intrstr; 999 int retval; 1000 int unit; 1001 1002 bktr = (bktr_ptr_t)self; 1003 unit = bktr->bktr_dev.dv_unit; 1004 bktr->dmat = pa->pa_dmat; 1005 1006 printf("\n"); 1007 1008 /* 1009 * map memory 1010 */ 1011 retval = pci_mapreg_map(pa, PCI_MAPREG_START, 1012 PCI_MAPREG_TYPE_MEM 1013 | PCI_MAPREG_MEM_TYPE_32BIT, 0, 1014 &bktr->memt, &bktr->memh, NULL, 1015 &bktr->obmemsz); 1016 DPR(("pci_mapreg_map: memt %x, memh %x, size %x\n", 1017 bktr->memt, (u_int)bktr->memh, (u_int)bktr->obmemsz)); 1018 if (retval) { 1019 printf("%s: couldn't map memory\n", bktr_name(bktr)); 1020 return; 1021 } 1022 1023 /* 1024 * Disable the brooktree device 1025 */ 1026 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 1027 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 1028 1029 /* 1030 * map interrupt 1031 */ 1032 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 1033 pa->pa_intrline, &ih)) { 1034 printf("%s: couldn't map interrupt\n", 1035 bktr_name(bktr)); 1036 return; 1037 } 1038 intrstr = pci_intr_string(pa->pa_pc, ih); 1039 bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO, 1040 bktr_intr, bktr); 1041 if (bktr->ih == NULL) { 1042 printf("%s: couldn't establish interrupt", 1043 bktr_name(bktr)); 1044 if (intrstr != NULL) 1045 printf(" at %s", intrstr); 1046 printf("\n"); 1047 return; 1048 } 1049 if (intrstr != NULL) 1050 printf("%s: interrupting at %s\n", bktr_name(bktr), 1051 intrstr); 1052#endif /* __NetBSD__ */ 1053 1054/* 1055 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 1056 * you have more than four, then 16 would probably be a better value. 1057 */ 1058#ifndef BROOKTREE_DEF_LATENCY_VALUE 1059#define BROOKTREE_DEF_LATENCY_VALUE 10 1060#endif 1061 latency = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_LATENCY_TIMER); 1062 latency = (latency >> 8) & 0xff; 1063 1064 if (!latency) { 1065 if (bootverbose) { 1066 printf("%s: PCI bus latency was 0 changing to %d", 1067 bktr_name(bktr), BROOKTREE_DEF_LATENCY_VALUE); 1068 } 1069 latency = BROOKTREE_DEF_LATENCY_VALUE; 1070 pci_conf_write(pa->pa_pc, pa->pa_tag, 1071 PCI_LATENCY_TIMER, latency<<8); 1072 } 1073 1074 1075 /* Enabled Bus Master 1076 XXX: check if all old DMA is stopped first (e.g. after warm 1077 boot) */ 1078 fun = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 1079 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 1080 fun | PCI_COMMAND_MASTER_ENABLE); 1081 1082 /* read the pci id and determine the card type */ 1083 fun = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ID_REG); 1084 rev = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG) & 0x000000ff; 1085 1086 common_bktr_attach(bktr, unit, fun, rev); 1087} 1088 1089 1090/* 1091 * Special Memory Allocation 1092 */ 1093vm_offset_t 1094get_bktr_mem(bktr, dmapp, size) 1095 bktr_ptr_t bktr; 1096 bus_dmamap_t *dmapp; 1097 unsigned int size; 1098{ 1099 bus_dma_tag_t dmat = bktr->dmat; 1100 bus_dma_segment_t seg; 1101 bus_size_t align; 1102 int rseg; 1103 caddr_t kva; 1104 1105 /* 1106 * Allocate a DMA area 1107 */ 1108 align = 1 << 24; 1109 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, 1110 &rseg, BUS_DMA_NOWAIT)) { 1111 align = PAGE_SIZE; 1112 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, 1113 &rseg, BUS_DMA_NOWAIT)) { 1114 printf("%s: Unable to dmamem_alloc of %d bytes\n", 1115 bktr_name(bktr), size); 1116 return 0; 1117 } 1118 } 1119 if (bus_dmamem_map(dmat, &seg, rseg, size, 1120 &kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) { 1121 printf("%s: Unable to dmamem_map of %d bytes\n", 1122 bktr_name(bktr), size); 1123 bus_dmamem_free(dmat, &seg, rseg); 1124 return 0; 1125 } 1126#ifdef __OpenBSD__ 1127 bktr->dm_mapsize = size; 1128#endif 1129 /* 1130 * Create and locd the DMA map for the DMA area 1131 */ 1132 if (bus_dmamap_create(dmat, size, 1, size, 0, BUS_DMA_NOWAIT, dmapp)) { 1133 printf("%s: Unable to dmamap_create of %d bytes\n", 1134 bktr_name(bktr), size); 1135 bus_dmamem_unmap(dmat, kva, size); 1136 bus_dmamem_free(dmat, &seg, rseg); 1137 return 0; 1138 } 1139 if (bus_dmamap_load(dmat, *dmapp, kva, size, NULL, BUS_DMA_NOWAIT)) { 1140 printf("%s: Unable to dmamap_load of %d bytes\n", 1141 bktr_name(bktr), size); 1142 bus_dmamem_unmap(dmat, kva, size); 1143 bus_dmamem_free(dmat, &seg, rseg); 1144 bus_dmamap_destroy(dmat, *dmapp); 1145 return 0; 1146 } 1147 return (vm_offset_t)kva; 1148} 1149 1150void 1151free_bktr_mem(bktr, dmap, kva) 1152 bktr_ptr_t bktr; 1153 bus_dmamap_t dmap; 1154 vm_offset_t kva; 1155{ 1156 bus_dma_tag_t dmat = bktr->dmat; 1157 1158#ifdef __NetBSD__ 1159 bus_dmamem_unmap(dmat, (caddr_t)kva, dmap->dm_mapsize); 1160#else 1161 bus_dmamem_unmap(dmat, (caddr_t)kva, bktr->dm_mapsize); 1162#endif 1163 bus_dmamem_free(dmat, dmap->dm_segs, 1); 1164 bus_dmamap_destroy(dmat, dmap); 1165} 1166 1167 1168/*--------------------------------------------------------- 1169** 1170** BrookTree 848 character device driver routines 1171** 1172**--------------------------------------------------------- 1173*/ 1174 1175 1176#define VIDEO_DEV 0x00 1177#define TUNER_DEV 0x01 1178#define VBI_DEV 0x02 1179 1180#define UNIT(x) (minor((x) & 0x0f)) 1181#define FUNCTION(x) (minor((x >> 4) & 0x0f)) 1182 1183/* 1184 * 1185 */ 1186int 1187bktr_open(dev_t dev, int flags, int fmt, struct thread *td) 1188{ 1189 bktr_ptr_t bktr; 1190 int unit; 1191 1192 unit = UNIT(dev); 1193 1194 /* unit out of range */ 1195 if ((unit > bktr_cd.cd_ndevs) || (bktr_cd.cd_devs[unit] == NULL)) 1196 return(ENXIO); 1197 1198 bktr = bktr_cd.cd_devs[unit]; 1199 1200 if (!(bktr->flags & METEOR_INITALIZED)) /* device not found */ 1201 return(ENXIO); 1202 1203 switch (FUNCTION(dev)) { 1204 case VIDEO_DEV: 1205 return(video_open(bktr)); 1206 case TUNER_DEV: 1207 return(tuner_open(bktr)); 1208 case VBI_DEV: 1209 return(vbi_open(bktr)); 1210 } 1211 1212 return(ENXIO); 1213} 1214 1215 1216/* 1217 * 1218 */ 1219int 1220bktr_close(dev_t dev, int flags, int fmt, struct thread *td) 1221{ 1222 bktr_ptr_t bktr; 1223 int unit; 1224 1225 unit = UNIT(dev); 1226 1227 bktr = bktr_cd.cd_devs[unit]; 1228 1229 switch (FUNCTION(dev)) { 1230 case VIDEO_DEV: 1231 return(video_close(bktr)); 1232 case TUNER_DEV: 1233 return(tuner_close(bktr)); 1234 case VBI_DEV: 1235 return(vbi_close(bktr)); 1236 } 1237 1238 return(ENXIO); 1239} 1240 1241/* 1242 * 1243 */ 1244int 1245bktr_read(dev_t dev, struct uio *uio, int ioflag) 1246{ 1247 bktr_ptr_t bktr; 1248 int unit; 1249 1250 unit = UNIT(dev); 1251 1252 bktr = bktr_cd.cd_devs[unit]; 1253 1254 switch (FUNCTION(dev)) { 1255 case VIDEO_DEV: 1256 return(video_read(bktr, unit, dev, uio)); 1257 case VBI_DEV: 1258 return(vbi_read(bktr, uio, ioflag)); 1259 } 1260 1261 return(ENXIO); 1262} 1263 1264 1265/* 1266 * 1267 */ 1268int 1269bktr_write(dev_t dev, struct uio *uio, int ioflag) 1270{ 1271 /* operation not supported */ 1272 return(EOPNOTSUPP); 1273} 1274 1275/* 1276 * 1277 */ 1278int 1279bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct thread *td) 1280{ 1281 bktr_ptr_t bktr; 1282 int unit; 1283 1284 unit = UNIT(dev); 1285 1286 bktr = bktr_cd.cd_devs[unit]; 1287 1288 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 1289 return(ENOMEM); 1290 1291 switch (FUNCTION(dev)) { 1292 case VIDEO_DEV: 1293 return(video_ioctl(bktr, unit, cmd, arg, pr)); 1294 case TUNER_DEV: 1295 return(tuner_ioctl(bktr, unit, cmd, arg, pr)); 1296 } 1297 1298 return(ENXIO); 1299} 1300 1301/* 1302 * 1303 */ 1304paddr_t 1305bktr_mmap(dev_t dev, off_t offset, int nprot) 1306{ 1307 int unit; 1308 bktr_ptr_t bktr; 1309 1310 unit = UNIT(dev); 1311 1312 if (FUNCTION(dev) > 0) /* only allow mmap on /dev/bktr[n] */ 1313 return(-1); 1314 1315 bktr = bktr_cd.cd_devs[unit]; 1316 1317 if ((vaddr_t)offset < 0) 1318 return(-1); 1319 1320 if ((vaddr_t)offset >= bktr->alloc_pages * PAGE_SIZE) 1321 return(-1); 1322 1323#ifdef __NetBSD__ 1324 return (bus_dmamem_mmap(bktr->dmat, bktr->dm_mem->dm_segs, 1, 1325 (vaddr_t)offset, nprot, BUS_DMA_WAITOK)); 1326#else 1327 return(i386_btop(vtophys(bktr->bigbuf) + offset)); 1328#endif 1329} 1330 1331#endif /* __NetBSD__ || __OpenBSD__ */ 1332