bktr_os.c revision 158937
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 158937 2006-05-26 07:36:50Z 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#include <dev/bktr/ioctl_bt848.h> /* extensions to ioctl_meteor.h */ 153 154#ifndef __NetBSD__ 155#include <vm/vm_kern.h> 156#include <vm/pmap.h> 157#include <vm/vm_extern.h> 158#endif 159 160#include <sys/device.h> 161#include <dev/pci/pcivar.h> 162#include <dev/pci/pcireg.h> 163#include <dev/pci/pcidevs.h> 164 165#define BKTR_DEBUG 166#ifdef BKTR_DEBUG 167int bktr_debug = 0; 168#define DPR(x) (bktr_debug ? printf x : 0) 169#else 170#define DPR(x) 171#endif 172#endif /* __NetBSD__ || __OpenBSD__ */ 173 174 175#ifdef __NetBSD__ 176#include <dev/ic/bt8xx.h> /* NetBSD location for .h files */ 177#include <dev/pci/bktr/bktr_reg.h> 178#include <dev/pci/bktr/bktr_tuner.h> 179#include <dev/pci/bktr/bktr_card.h> 180#include <dev/pci/bktr/bktr_audio.h> 181#include <dev/pci/bktr/bktr_core.h> 182#include <dev/pci/bktr/bktr_os.h> 183#else /* Traditional location for .h files */ 184#include <dev/bktr/ioctl_meteor.h> 185#include <dev/bktr/ioctl_bt848.h> /* extensions to ioctl_meteor.h */ 186#include <dev/bktr/bktr_reg.h> 187#include <dev/bktr/bktr_tuner.h> 188#include <dev/bktr/bktr_card.h> 189#include <dev/bktr/bktr_audio.h> 190#include <dev/bktr/bktr_core.h> 191#include <dev/bktr/bktr_os.h> 192 193#if defined(BKTR_USE_FREEBSD_SMBUS) 194#include <dev/bktr/bktr_i2c.h> 195 196#include "iicbb_if.h" 197#include "smbus_if.h" 198#endif 199#endif 200 201 202/****************************/ 203/* *** FreeBSD 4.x code *** */ 204/****************************/ 205 206static int bktr_probe( device_t dev ); 207static int bktr_attach( device_t dev ); 208static int bktr_detach( device_t dev ); 209static int bktr_shutdown( device_t dev ); 210static void bktr_intr(void *arg) { common_bktr_intr(arg); } 211 212static device_method_t bktr_methods[] = { 213 /* Device interface */ 214 DEVMETHOD(device_probe, bktr_probe), 215 DEVMETHOD(device_attach, bktr_attach), 216 DEVMETHOD(device_detach, bktr_detach), 217 DEVMETHOD(device_shutdown, bktr_shutdown), 218 219#if defined(BKTR_USE_FREEBSD_SMBUS) 220 /* iicbb interface */ 221 DEVMETHOD(iicbb_callback, bti2c_iic_callback), 222 DEVMETHOD(iicbb_setsda, bti2c_iic_setsda), 223 DEVMETHOD(iicbb_setscl, bti2c_iic_setscl), 224 DEVMETHOD(iicbb_getsda, bti2c_iic_getsda), 225 DEVMETHOD(iicbb_getscl, bti2c_iic_getscl), 226 DEVMETHOD(iicbb_reset, bti2c_iic_reset), 227 228 /* smbus interface */ 229 DEVMETHOD(smbus_callback, bti2c_smb_callback), 230 DEVMETHOD(smbus_writeb, bti2c_smb_writeb), 231 DEVMETHOD(smbus_writew, bti2c_smb_writew), 232 DEVMETHOD(smbus_readb, bti2c_smb_readb), 233#endif 234 235 { 0, 0 } 236}; 237 238static driver_t bktr_driver = { 239 "bktr", 240 bktr_methods, 241 sizeof(struct bktr_softc), 242}; 243 244static devclass_t bktr_devclass; 245 246static d_open_t bktr_open; 247static d_close_t bktr_close; 248static d_read_t bktr_read; 249static d_write_t bktr_write; 250static d_ioctl_t bktr_ioctl; 251static d_mmap_t bktr_mmap; 252static d_poll_t bktr_poll; 253 254static struct cdevsw bktr_cdevsw = { 255 .d_version = D_VERSION, 256 .d_flags = D_NEEDGIANT, 257 .d_open = bktr_open, 258 .d_close = bktr_close, 259 .d_read = bktr_read, 260 .d_write = bktr_write, 261 .d_ioctl = bktr_ioctl, 262 .d_poll = bktr_poll, 263 .d_mmap = bktr_mmap, 264 .d_name = "bktr", 265}; 266 267#ifdef BKTR_USE_FREEBSD_SMBUS 268#include <dev/iicbus/iiconf.h> 269#include <dev/smbus/smbconf.h> 270MODULE_DEPEND(bktr, iicbb, IICBB_MINVER, IICBB_MODVER, IICBB_MAXVER); 271MODULE_DEPEND(bktr, iicbus, IICBUS_MINVER, IICBUS_MODVER, IICBUS_MAXVER); 272MODULE_DEPEND(bktr, smbus, SMBUS_MINVER, SMBUS_MODVER, SMBUS_MAXVER); 273#endif 274DRIVER_MODULE(bktr, pci, bktr_driver, bktr_devclass, 0, 0); 275MODULE_DEPEND(bktr, bktr_mem, 1,1,1); 276MODULE_VERSION(bktr, 1); 277 278 279/* 280 * the boot time probe routine. 281 */ 282static int 283bktr_probe( device_t dev ) 284{ 285 unsigned int type = pci_get_devid(dev); 286 unsigned int rev = pci_get_revid(dev); 287 288 if (PCI_VENDOR(type) == PCI_VENDOR_BROOKTREE) 289 { 290 switch (PCI_PRODUCT(type)) { 291 case PCI_PRODUCT_BROOKTREE_BT848: 292 if (rev == 0x12) 293 device_set_desc(dev, "BrookTree 848A"); 294 else 295 device_set_desc(dev, "BrookTree 848"); 296 return BUS_PROBE_DEFAULT; 297 case PCI_PRODUCT_BROOKTREE_BT849: 298 device_set_desc(dev, "BrookTree 849A"); 299 return BUS_PROBE_DEFAULT; 300 case PCI_PRODUCT_BROOKTREE_BT878: 301 device_set_desc(dev, "BrookTree 878"); 302 return BUS_PROBE_DEFAULT; 303 case PCI_PRODUCT_BROOKTREE_BT879: 304 device_set_desc(dev, "BrookTree 879"); 305 return BUS_PROBE_DEFAULT; 306 } 307 }; 308 309 return ENXIO; 310} 311 312 313/* 314 * the attach routine. 315 */ 316static int 317bktr_attach( device_t dev ) 318{ 319 u_long latency; 320 u_long fun; 321 u_long val; 322 unsigned int rev; 323 unsigned int unit; 324 int error = 0; 325#ifdef BROOKTREE_IRQ 326 u_long old_irq, new_irq; 327#endif 328 329 struct bktr_softc *bktr = device_get_softc(dev); 330 331 unit = device_get_unit(dev); 332 333 /* build the device name for bktr_name() */ 334 snprintf(bktr->bktr_xname, sizeof(bktr->bktr_xname), "bktr%d",unit); 335 336 /* 337 * Enable bus mastering and Memory Mapped device 338 */ 339 val = pci_read_config(dev, PCIR_COMMAND, 4); 340 val |= (PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN); 341 pci_write_config(dev, PCIR_COMMAND, val, 4); 342 343 /* 344 * Map control/status registers. 345 */ 346 bktr->mem_rid = PCIR_BAR(0); 347 bktr->res_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 348 &bktr->mem_rid, RF_ACTIVE); 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_any(dev, SYS_RES_IRQ, 379 &bktr->irq_rid, 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( struct cdev *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( struct cdev *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( struct cdev *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( struct cdev *dev, struct uio *uio, int ioflag ) 749{ 750 return( EINVAL ); /* XXX or ENXIO ? */ 751} 752 753 754/* 755 * 756 */ 757static int 758bktr_ioctl( struct cdev *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#ifdef BKTR_GPIO_ACCESS 773 if (bktr->bigbuf == 0 && cmd != BT848_GPIO_GET_EN && 774 cmd != BT848_GPIO_SET_EN && cmd != BT848_GPIO_GET_DATA && 775 cmd != BT848_GPIO_SET_DATA) /* no frame buffer allocated (ioctl failed) */ 776 return( ENOMEM ); 777#else 778 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 779 return( ENOMEM ); 780#endif 781 782 switch ( FUNCTION( minor(dev) ) ) { 783 case VIDEO_DEV: 784 return( video_ioctl( bktr, unit, cmd, arg, td ) ); 785 case TUNER_DEV: 786 return( tuner_ioctl( bktr, unit, cmd, arg, td ) ); 787 } 788 789 return( ENXIO ); 790} 791 792 793/* 794 * 795 */ 796static int 797bktr_mmap( struct cdev *dev, vm_offset_t offset, vm_paddr_t *paddr, int nprot ) 798{ 799 int unit; 800 bktr_ptr_t bktr; 801 802 unit = UNIT(minor(dev)); 803 804 if (FUNCTION(minor(dev)) > 0) /* only allow mmap on /dev/bktr[n] */ 805 return( -1 ); 806 807 /* Get the device data */ 808 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 809 if (bktr == NULL) { 810 /* the device is no longer valid/functioning */ 811 return (ENXIO); 812 } 813 814 if (nprot & PROT_EXEC) 815 return( -1 ); 816 817 if (offset < 0) 818 return( -1 ); 819 820 if (offset >= bktr->alloc_pages * PAGE_SIZE) 821 return( -1 ); 822 823 *paddr = vtophys(bktr->bigbuf) + offset; 824 return( 0 ); 825} 826 827static int 828bktr_poll( struct cdev *dev, int events, struct thread *td) 829{ 830 int unit; 831 bktr_ptr_t bktr; 832 int revents = 0; 833 DECLARE_INTR_MASK(s); 834 835 unit = UNIT(minor(dev)); 836 837 /* Get the device data */ 838 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 839 if (bktr == NULL) { 840 /* the device is no longer valid/functioning */ 841 return (ENXIO); 842 } 843 844 LOCK_VBI(bktr); 845 DISABLE_INTR(s); 846 847 if (events & (POLLIN | POLLRDNORM)) { 848 849 switch ( FUNCTION( minor(dev) ) ) { 850 case VBI_DEV: 851 if(bktr->vbisize == 0) 852 selrecord(td, &bktr->vbi_select); 853 else 854 revents |= events & (POLLIN | POLLRDNORM); 855 break; 856 } 857 } 858 859 ENABLE_INTR(s); 860 UNLOCK_VBI(bktr); 861 862 return (revents); 863} 864 865/*****************/ 866/* *** BSDI *** */ 867/*****************/ 868 869#if defined(__bsdi__) 870#endif /* __bsdi__ BSDI specific kernel interface routines */ 871 872 873/*****************************/ 874/* *** OpenBSD / NetBSD *** */ 875/*****************************/ 876#if defined(__NetBSD__) || defined(__OpenBSD__) 877 878#define IPL_VIDEO IPL_BIO /* XXX */ 879 880static int bktr_intr(void *arg) { return common_bktr_intr(arg); } 881 882#define bktr_open bktropen 883#define bktr_close bktrclose 884#define bktr_read bktrread 885#define bktr_write bktrwrite 886#define bktr_ioctl bktrioctl 887#define bktr_mmap bktrmmap 888 889vm_offset_t vm_page_alloc_contig(vm_offset_t, vm_offset_t, 890 vm_offset_t, vm_offset_t); 891 892#if defined(__OpenBSD__) 893static int bktr_probe(struct device *, void *, void *); 894#else 895static int bktr_probe(struct device *, struct cfdata *, void *); 896#endif 897static void bktr_attach(struct device *, struct device *, void *); 898 899struct cfattach bktr_ca = { 900 sizeof(struct bktr_softc), bktr_probe, bktr_attach 901}; 902 903#if defined(__NetBSD__) 904extern struct cfdriver bktr_cd; 905#else 906struct cfdriver bktr_cd = { 907 NULL, "bktr", DV_DULL 908}; 909#endif 910 911int 912bktr_probe(parent, match, aux) 913 struct device *parent; 914#if defined(__OpenBSD__) 915 void *match; 916#else 917 struct cfdata *match; 918#endif 919 void *aux; 920{ 921 struct pci_attach_args *pa = aux; 922 923 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_BROOKTREE && 924 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT848 || 925 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT849 || 926 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT878 || 927 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT879)) 928 return 1; 929 930 return 0; 931} 932 933 934/* 935 * the attach routine. 936 */ 937static void 938bktr_attach(struct device *parent, struct device *self, void *aux) 939{ 940 bktr_ptr_t bktr; 941 u_long latency; 942 u_long fun; 943 unsigned int rev; 944 945#if defined(__OpenBSD__) 946 struct pci_attach_args *pa = aux; 947 pci_chipset_tag_t pc = pa->pa_pc; 948 949 pci_intr_handle_t ih; 950 const char *intrstr; 951 int retval; 952 int unit; 953 954 bktr = (bktr_ptr_t)self; 955 unit = bktr->bktr_dev.dv_unit; 956 957 bktr->pc = pa->pa_pc; 958 bktr->tag = pa->pa_tag; 959 bktr->dmat = pa->pa_dmat; 960 961 /* 962 * map memory 963 */ 964 bktr->memt = pa->pa_memt; 965 retval = pci_mem_find(pc, pa->pa_tag, PCI_MAPREG_START, 966 &bktr->phys_base, &bktr->obmemsz, NULL); 967 if (!retval) 968 retval = bus_space_map(pa->pa_memt, bktr->phys_base, 969 bktr->obmemsz, 0, &bktr->memh); 970 if (retval) { 971 printf(": couldn't map memory\n"); 972 return; 973 } 974 975 976 /* 977 * map interrupt 978 */ 979 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 980 pa->pa_intrline, &ih)) { 981 printf(": couldn't map interrupt\n"); 982 return; 983 } 984 intrstr = pci_intr_string(pa->pa_pc, ih); 985 986 bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO, 987 bktr_intr, bktr, bktr->bktr_dev.dv_xname); 988 if (bktr->ih == NULL) { 989 printf(": couldn't establish interrupt"); 990 if (intrstr != NULL) 991 printf(" at %s", intrstr); 992 printf("\n"); 993 return; 994 } 995 996 if (intrstr != NULL) 997 printf(": %s\n", intrstr); 998#endif /* __OpenBSD__ */ 999 1000#if defined(__NetBSD__) 1001 struct pci_attach_args *pa = aux; 1002 pci_intr_handle_t ih; 1003 const char *intrstr; 1004 int retval; 1005 int unit; 1006 1007 bktr = (bktr_ptr_t)self; 1008 unit = bktr->bktr_dev.dv_unit; 1009 bktr->dmat = pa->pa_dmat; 1010 1011 printf("\n"); 1012 1013 /* 1014 * map memory 1015 */ 1016 retval = pci_mapreg_map(pa, PCI_MAPREG_START, 1017 PCI_MAPREG_TYPE_MEM 1018 | PCI_MAPREG_MEM_TYPE_32BIT, 0, 1019 &bktr->memt, &bktr->memh, NULL, 1020 &bktr->obmemsz); 1021 DPR(("pci_mapreg_map: memt %x, memh %x, size %x\n", 1022 bktr->memt, (u_int)bktr->memh, (u_int)bktr->obmemsz)); 1023 if (retval) { 1024 printf("%s: couldn't map memory\n", bktr_name(bktr)); 1025 return; 1026 } 1027 1028 /* 1029 * Disable the brooktree device 1030 */ 1031 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 1032 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 1033 1034 /* 1035 * map interrupt 1036 */ 1037 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 1038 pa->pa_intrline, &ih)) { 1039 printf("%s: couldn't map interrupt\n", 1040 bktr_name(bktr)); 1041 return; 1042 } 1043 intrstr = pci_intr_string(pa->pa_pc, ih); 1044 bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO, 1045 bktr_intr, bktr); 1046 if (bktr->ih == NULL) { 1047 printf("%s: couldn't establish interrupt", 1048 bktr_name(bktr)); 1049 if (intrstr != NULL) 1050 printf(" at %s", intrstr); 1051 printf("\n"); 1052 return; 1053 } 1054 if (intrstr != NULL) 1055 printf("%s: interrupting at %s\n", bktr_name(bktr), 1056 intrstr); 1057#endif /* __NetBSD__ */ 1058 1059/* 1060 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 1061 * you have more than four, then 16 would probably be a better value. 1062 */ 1063#ifndef BROOKTREE_DEF_LATENCY_VALUE 1064#define BROOKTREE_DEF_LATENCY_VALUE 10 1065#endif 1066 latency = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_LATENCY_TIMER); 1067 latency = (latency >> 8) & 0xff; 1068 1069 if (!latency) { 1070 if (bootverbose) { 1071 printf("%s: PCI bus latency was 0 changing to %d", 1072 bktr_name(bktr), BROOKTREE_DEF_LATENCY_VALUE); 1073 } 1074 latency = BROOKTREE_DEF_LATENCY_VALUE; 1075 pci_conf_write(pa->pa_pc, pa->pa_tag, 1076 PCI_LATENCY_TIMER, latency<<8); 1077 } 1078 1079 1080 /* Enabled Bus Master 1081 XXX: check if all old DMA is stopped first (e.g. after warm 1082 boot) */ 1083 fun = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 1084 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 1085 fun | PCI_COMMAND_MASTER_ENABLE); 1086 1087 /* read the pci id and determine the card type */ 1088 fun = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ID_REG); 1089 rev = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG) & 0x000000ff; 1090 1091 common_bktr_attach(bktr, unit, fun, rev); 1092} 1093 1094 1095/* 1096 * Special Memory Allocation 1097 */ 1098vm_offset_t 1099get_bktr_mem(bktr, dmapp, size) 1100 bktr_ptr_t bktr; 1101 bus_dmamap_t *dmapp; 1102 unsigned int size; 1103{ 1104 bus_dma_tag_t dmat = bktr->dmat; 1105 bus_dma_segment_t seg; 1106 bus_size_t align; 1107 int rseg; 1108 caddr_t kva; 1109 1110 /* 1111 * Allocate a DMA area 1112 */ 1113 align = 1 << 24; 1114 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, 1115 &rseg, BUS_DMA_NOWAIT)) { 1116 align = PAGE_SIZE; 1117 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, 1118 &rseg, BUS_DMA_NOWAIT)) { 1119 printf("%s: Unable to dmamem_alloc of %d bytes\n", 1120 bktr_name(bktr), size); 1121 return 0; 1122 } 1123 } 1124 if (bus_dmamem_map(dmat, &seg, rseg, size, 1125 &kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) { 1126 printf("%s: Unable to dmamem_map of %d bytes\n", 1127 bktr_name(bktr), size); 1128 bus_dmamem_free(dmat, &seg, rseg); 1129 return 0; 1130 } 1131#ifdef __OpenBSD__ 1132 bktr->dm_mapsize = size; 1133#endif 1134 /* 1135 * Create and locd the DMA map for the DMA area 1136 */ 1137 if (bus_dmamap_create(dmat, size, 1, size, 0, BUS_DMA_NOWAIT, dmapp)) { 1138 printf("%s: Unable to dmamap_create of %d bytes\n", 1139 bktr_name(bktr), size); 1140 bus_dmamem_unmap(dmat, kva, size); 1141 bus_dmamem_free(dmat, &seg, rseg); 1142 return 0; 1143 } 1144 if (bus_dmamap_load(dmat, *dmapp, kva, size, NULL, BUS_DMA_NOWAIT)) { 1145 printf("%s: Unable to dmamap_load of %d bytes\n", 1146 bktr_name(bktr), size); 1147 bus_dmamem_unmap(dmat, kva, size); 1148 bus_dmamem_free(dmat, &seg, rseg); 1149 bus_dmamap_destroy(dmat, *dmapp); 1150 return 0; 1151 } 1152 return (vm_offset_t)kva; 1153} 1154 1155void 1156free_bktr_mem(bktr, dmap, kva) 1157 bktr_ptr_t bktr; 1158 bus_dmamap_t dmap; 1159 vm_offset_t kva; 1160{ 1161 bus_dma_tag_t dmat = bktr->dmat; 1162 1163#ifdef __NetBSD__ 1164 bus_dmamem_unmap(dmat, (caddr_t)kva, dmap->dm_mapsize); 1165#else 1166 bus_dmamem_unmap(dmat, (caddr_t)kva, bktr->dm_mapsize); 1167#endif 1168 bus_dmamem_free(dmat, dmap->dm_segs, 1); 1169 bus_dmamap_destroy(dmat, dmap); 1170} 1171 1172 1173/*--------------------------------------------------------- 1174** 1175** BrookTree 848 character device driver routines 1176** 1177**--------------------------------------------------------- 1178*/ 1179 1180 1181#define VIDEO_DEV 0x00 1182#define TUNER_DEV 0x01 1183#define VBI_DEV 0x02 1184 1185#define UNIT(x) (minor((x) & 0x0f)) 1186#define FUNCTION(x) (minor((x >> 4) & 0x0f)) 1187 1188/* 1189 * 1190 */ 1191int 1192bktr_open(dev_t dev, int flags, int fmt, struct thread *td) 1193{ 1194 bktr_ptr_t bktr; 1195 int unit; 1196 1197 unit = UNIT(dev); 1198 1199 /* unit out of range */ 1200 if ((unit > bktr_cd.cd_ndevs) || (bktr_cd.cd_devs[unit] == NULL)) 1201 return(ENXIO); 1202 1203 bktr = bktr_cd.cd_devs[unit]; 1204 1205 if (!(bktr->flags & METEOR_INITALIZED)) /* device not found */ 1206 return(ENXIO); 1207 1208 switch (FUNCTION(dev)) { 1209 case VIDEO_DEV: 1210 return(video_open(bktr)); 1211 case TUNER_DEV: 1212 return(tuner_open(bktr)); 1213 case VBI_DEV: 1214 return(vbi_open(bktr)); 1215 } 1216 1217 return(ENXIO); 1218} 1219 1220 1221/* 1222 * 1223 */ 1224int 1225bktr_close(dev_t dev, int flags, int fmt, struct thread *td) 1226{ 1227 bktr_ptr_t bktr; 1228 int unit; 1229 1230 unit = UNIT(dev); 1231 1232 bktr = bktr_cd.cd_devs[unit]; 1233 1234 switch (FUNCTION(dev)) { 1235 case VIDEO_DEV: 1236 return(video_close(bktr)); 1237 case TUNER_DEV: 1238 return(tuner_close(bktr)); 1239 case VBI_DEV: 1240 return(vbi_close(bktr)); 1241 } 1242 1243 return(ENXIO); 1244} 1245 1246/* 1247 * 1248 */ 1249int 1250bktr_read(dev_t dev, struct uio *uio, int ioflag) 1251{ 1252 bktr_ptr_t bktr; 1253 int unit; 1254 1255 unit = UNIT(dev); 1256 1257 bktr = bktr_cd.cd_devs[unit]; 1258 1259 switch (FUNCTION(dev)) { 1260 case VIDEO_DEV: 1261 return(video_read(bktr, unit, dev, uio)); 1262 case VBI_DEV: 1263 return(vbi_read(bktr, uio, ioflag)); 1264 } 1265 1266 return(ENXIO); 1267} 1268 1269 1270/* 1271 * 1272 */ 1273int 1274bktr_write(dev_t dev, struct uio *uio, int ioflag) 1275{ 1276 /* operation not supported */ 1277 return(EOPNOTSUPP); 1278} 1279 1280/* 1281 * 1282 */ 1283int 1284bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct thread *td) 1285{ 1286 bktr_ptr_t bktr; 1287 int unit; 1288 1289 unit = UNIT(dev); 1290 1291 bktr = bktr_cd.cd_devs[unit]; 1292 1293 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 1294 return(ENOMEM); 1295 1296 switch (FUNCTION(dev)) { 1297 case VIDEO_DEV: 1298 return(video_ioctl(bktr, unit, cmd, arg, pr)); 1299 case TUNER_DEV: 1300 return(tuner_ioctl(bktr, unit, cmd, arg, pr)); 1301 } 1302 1303 return(ENXIO); 1304} 1305 1306/* 1307 * 1308 */ 1309paddr_t 1310bktr_mmap(dev_t dev, off_t offset, int nprot) 1311{ 1312 int unit; 1313 bktr_ptr_t bktr; 1314 1315 unit = UNIT(dev); 1316 1317 if (FUNCTION(dev) > 0) /* only allow mmap on /dev/bktr[n] */ 1318 return(-1); 1319 1320 bktr = bktr_cd.cd_devs[unit]; 1321 1322 if ((vaddr_t)offset < 0) 1323 return(-1); 1324 1325 if ((vaddr_t)offset >= bktr->alloc_pages * PAGE_SIZE) 1326 return(-1); 1327 1328#ifdef __NetBSD__ 1329 return (bus_dmamem_mmap(bktr->dmat, bktr->dm_mem->dm_segs, 1, 1330 (vaddr_t)offset, nprot, BUS_DMA_WAITOK)); 1331#else 1332 return(i386_btop(vtophys(bktr->bigbuf) + offset)); 1333#endif 1334} 1335 1336#endif /* __NetBSD__ || __OpenBSD__ */ 1337