bktr_os.c revision 331722
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: stable/11/sys/dev/bktr/bktr_os.c 331722 2018-03-29 02:50:57Z eadler $"); 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 dependent 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 111static SYSCTL_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 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 pci_enable_busmaster(dev); 339 340 /* 341 * Map control/status registers. 342 */ 343 bktr->mem_rid = PCIR_BAR(0); 344 bktr->res_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 345 &bktr->mem_rid, RF_ACTIVE); 346 347 if (!bktr->res_mem) { 348 device_printf(dev, "could not map memory\n"); 349 error = ENXIO; 350 goto fail; 351 } 352 bktr->memt = rman_get_bustag(bktr->res_mem); 353 bktr->memh = rman_get_bushandle(bktr->res_mem); 354 355 356 /* 357 * Disable the brooktree device 358 */ 359 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 360 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 361 362 363#ifdef BROOKTREE_IRQ /* from the configuration file */ 364 old_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 365 pci_conf_write(tag, PCI_INTERRUPT_REG, BROOKTREE_IRQ); 366 new_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 367 printf("bktr%d: attach: irq changed from %d to %d\n", 368 unit, (old_irq & 0xff), (new_irq & 0xff)); 369#endif 370 371 /* 372 * Allocate our interrupt. 373 */ 374 bktr->irq_rid = 0; 375 bktr->res_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 376 &bktr->irq_rid, RF_SHAREABLE | RF_ACTIVE); 377 if (bktr->res_irq == NULL) { 378 device_printf(dev, "could not map interrupt\n"); 379 error = ENXIO; 380 goto fail; 381 } 382 383 error = bus_setup_intr(dev, bktr->res_irq, INTR_TYPE_TTY, 384 NULL, bktr_intr, bktr, &bktr->res_ih); 385 if (error) { 386 device_printf(dev, "could not setup irq\n"); 387 goto fail; 388 389 } 390 391 392 /* Update the Device Control Register */ 393 /* on Bt878 and Bt879 cards */ 394 fun = pci_read_config( dev, 0x40, 2); 395 fun = fun | 1; /* Enable writes to the sub-system vendor ID */ 396 397#if defined( BKTR_430_FX_MODE ) 398 if (bootverbose) printf("Using 430 FX chipset compatibility mode\n"); 399 fun = fun | 2; /* Enable Intel 430 FX compatibility mode */ 400#endif 401 402#if defined( BKTR_SIS_VIA_MODE ) 403 if (bootverbose) printf("Using SiS/VIA chipset compatibility mode\n"); 404 fun = fun | 4; /* Enable SiS/VIA compatibility mode (useful for 405 OPTi chipset motherboards too */ 406#endif 407 pci_write_config(dev, 0x40, fun, 2); 408 409#if defined(BKTR_USE_FREEBSD_SMBUS) 410 if (bt848_i2c_attach(dev)) 411 printf("bktr%d: i2c_attach: can't attach\n", unit); 412#endif 413 414/* 415 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 416 * you have more than four, then 16 would probably be a better value. 417 */ 418#ifndef BROOKTREE_DEF_LATENCY_VALUE 419#define BROOKTREE_DEF_LATENCY_VALUE 10 420#endif 421 latency = pci_read_config(dev, PCI_LATENCY_TIMER, 4); 422 latency = (latency >> 8) & 0xff; 423 if ( bootverbose ) { 424 if (latency) 425 printf("brooktree%d: PCI bus latency is", unit); 426 else 427 printf("brooktree%d: PCI bus latency was 0 changing to", 428 unit); 429 } 430 if ( !latency ) { 431 latency = BROOKTREE_DEF_LATENCY_VALUE; 432 pci_write_config(dev, PCI_LATENCY_TIMER, latency<<8, 4); 433 } 434 if ( bootverbose ) { 435 printf(" %d.\n", (int) latency); 436 } 437 438 /* read the pci device id and revision id */ 439 fun = pci_get_devid(dev); 440 rev = pci_get_revid(dev); 441 442 /* call the common attach code */ 443 common_bktr_attach( bktr, unit, fun, rev ); 444 445 /* make the device entries */ 446 bktr->bktrdev = make_dev(&bktr_cdevsw, unit, 447 0, 0, 0444, "bktr%d", unit); 448 bktr->tunerdev= make_dev(&bktr_cdevsw, unit+16, 449 0, 0, 0444, "tuner%d", unit); 450 bktr->vbidev = make_dev(&bktr_cdevsw, unit+32, 451 0, 0, 0444, "vbi%d" , unit); 452 453 454 /* if this is unit 0 (/dev/bktr0, /dev/tuner0, /dev/vbi0) then make */ 455 /* alias entries to /dev/bktr /dev/tuner and /dev/vbi */ 456#if (__FreeBSD_version >=500000) 457 if (unit == 0) { 458 bktr->bktrdev_alias = make_dev_alias(bktr->bktrdev, "bktr"); 459 bktr->tunerdev_alias= make_dev_alias(bktr->tunerdev, "tuner"); 460 bktr->vbidev_alias = make_dev_alias(bktr->vbidev, "vbi"); 461 } 462#endif 463 464 return 0; 465 466fail: 467 if (bktr->res_irq) 468 bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq); 469 if (bktr->res_mem) 470 bus_release_resource(dev, SYS_RES_MEMORY, bktr->mem_rid, bktr->res_mem); 471 return error; 472 473} 474 475/* 476 * the detach routine. 477 */ 478static int 479bktr_detach( device_t dev ) 480{ 481 struct bktr_softc *bktr = device_get_softc(dev); 482 483#ifdef BKTR_NEW_MSP34XX_DRIVER 484 /* Disable the soundchip and kernel thread */ 485 if (bktr->msp3400c_info != NULL) 486 msp_detach(bktr); 487#endif 488 489 /* Disable the brooktree device */ 490 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 491 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 492 493#if defined(BKTR_USE_FREEBSD_SMBUS) 494 if (bt848_i2c_detach(dev)) 495 printf("bktr%d: i2c_attach: can't attach\n", 496 device_get_unit(dev)); 497#endif 498#ifdef USE_VBIMUTEX 499 mtx_destroy(&bktr->vbimutex); 500#endif 501 502 /* Note: We do not free memory for RISC programs, grab buffer, vbi buffers */ 503 /* The memory is retained by the bktr_mem module so we can unload and */ 504 /* then reload the main bktr driver module */ 505 506 /* Unregister the /dev/bktrN, tunerN and vbiN devices, 507 * the aliases for unit 0 are automatically destroyed */ 508 destroy_dev(bktr->vbidev); 509 destroy_dev(bktr->tunerdev); 510 destroy_dev(bktr->bktrdev); 511 512 /* 513 * Deallocate resources. 514 */ 515 bus_teardown_intr(dev, bktr->res_irq, bktr->res_ih); 516 bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq); 517 bus_release_resource(dev, SYS_RES_MEMORY, bktr->mem_rid, bktr->res_mem); 518 519 return 0; 520} 521 522/* 523 * the shutdown routine. 524 */ 525static int 526bktr_shutdown( device_t dev ) 527{ 528 struct bktr_softc *bktr = device_get_softc(dev); 529 530 /* Disable the brooktree device */ 531 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 532 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 533 534 return 0; 535} 536 537 538/* 539 * Special Memory Allocation 540 */ 541vm_offset_t 542get_bktr_mem( int unit, unsigned size ) 543{ 544 vm_offset_t addr = 0; 545 546 addr = (vm_offset_t)contigmalloc(size, M_DEVBUF, M_NOWAIT, 0, 547 0xffffffff, 1<<24, 0); 548 if (addr == 0) 549 addr = (vm_offset_t)contigmalloc(size, M_DEVBUF, M_NOWAIT, 0, 550 0xffffffff, PAGE_SIZE, 0); 551 if (addr == 0) { 552 printf("bktr%d: Unable to allocate %d bytes of memory.\n", 553 unit, size); 554 } 555 556 return( addr ); 557} 558 559 560/*--------------------------------------------------------- 561** 562** BrookTree 848 character device driver routines 563** 564**--------------------------------------------------------- 565*/ 566 567#define VIDEO_DEV 0x00 568#define TUNER_DEV 0x01 569#define VBI_DEV 0x02 570 571#define UNIT(x) ((x) & 0x0f) 572#define FUNCTION(x) (x >> 4) 573 574/* 575 * 576 */ 577static int 578bktr_open( struct cdev *dev, int flags, int fmt, struct thread *td ) 579{ 580 bktr_ptr_t bktr; 581 int unit; 582 int result; 583 584 unit = UNIT( dev2unit(dev) ); 585 586 /* Get the device data */ 587 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 588 if (bktr == NULL) { 589 /* the device is no longer valid/functioning */ 590 return (ENXIO); 591 } 592 593 if (!(bktr->flags & METEOR_INITALIZED)) /* device not found */ 594 return( ENXIO ); 595 596 /* Record that the device is now busy */ 597 device_busy(devclass_get_device(bktr_devclass, unit)); 598 599 600 if (bt848_card != -1) { 601 if ((bt848_card >> 8 == unit ) && 602 ( (bt848_card & 0xff) < Bt848_MAX_CARD )) { 603 if ( bktr->bt848_card != (bt848_card & 0xff) ) { 604 bktr->bt848_card = (bt848_card & 0xff); 605 probeCard(bktr, FALSE, unit); 606 } 607 } 608 } 609 610 if (bt848_tuner != -1) { 611 if ((bt848_tuner >> 8 == unit ) && 612 ( (bt848_tuner & 0xff) < Bt848_MAX_TUNER )) { 613 if ( bktr->bt848_tuner != (bt848_tuner & 0xff) ) { 614 bktr->bt848_tuner = (bt848_tuner & 0xff); 615 probeCard(bktr, FALSE, unit); 616 } 617 } 618 } 619 620 if (bt848_reverse_mute != -1) { 621 if ((bt848_reverse_mute >> 8) == unit ) { 622 bktr->reverse_mute = bt848_reverse_mute & 0xff; 623 } 624 } 625 626 if (bt848_slow_msp_audio != -1) { 627 if ((bt848_slow_msp_audio >> 8) == unit ) { 628 bktr->slow_msp_audio = (bt848_slow_msp_audio & 0xff); 629 } 630 } 631 632#ifdef BKTR_NEW_MSP34XX_DRIVER 633 if (bt848_stereo_once != 0) { 634 if ((bt848_stereo_once >> 8) == unit ) { 635 bktr->stereo_once = (bt848_stereo_once & 0xff); 636 } 637 } 638 639 if (bt848_amsound != -1) { 640 if ((bt848_amsound >> 8) == unit ) { 641 bktr->amsound = (bt848_amsound & 0xff); 642 } 643 } 644 645 if (bt848_dolby != -1) { 646 if ((bt848_dolby >> 8) == unit ) { 647 bktr->dolby = (bt848_dolby & 0xff); 648 } 649 } 650#endif 651 652 switch ( FUNCTION( dev2unit(dev) ) ) { 653 case VIDEO_DEV: 654 result = video_open( bktr ); 655 break; 656 case TUNER_DEV: 657 result = tuner_open( bktr ); 658 break; 659 case VBI_DEV: 660 result = vbi_open( bktr ); 661 break; 662 default: 663 result = ENXIO; 664 break; 665 } 666 667 /* If there was an error opening the device, undo the busy status */ 668 if (result != 0) 669 device_unbusy(devclass_get_device(bktr_devclass, unit)); 670 return( result ); 671} 672 673 674/* 675 * 676 */ 677static int 678bktr_close( struct cdev *dev, int flags, int fmt, struct thread *td ) 679{ 680 bktr_ptr_t bktr; 681 int unit; 682 int result; 683 684 unit = UNIT( dev2unit(dev) ); 685 686 /* Get the device data */ 687 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 688 if (bktr == NULL) { 689 /* the device is no longer valid/functioning */ 690 return (ENXIO); 691 } 692 693 switch ( FUNCTION( dev2unit(dev) ) ) { 694 case VIDEO_DEV: 695 result = video_close( bktr ); 696 break; 697 case TUNER_DEV: 698 result = tuner_close( bktr ); 699 break; 700 case VBI_DEV: 701 result = vbi_close( bktr ); 702 break; 703 default: 704 return (ENXIO); 705 break; 706 } 707 708 device_unbusy(devclass_get_device(bktr_devclass, unit)); 709 return( result ); 710} 711 712 713/* 714 * 715 */ 716static int 717bktr_read( struct cdev *dev, struct uio *uio, int ioflag ) 718{ 719 bktr_ptr_t bktr; 720 int unit; 721 722 unit = UNIT(dev2unit(dev)); 723 724 /* Get the device data */ 725 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 726 if (bktr == NULL) { 727 /* the device is no longer valid/functioning */ 728 return (ENXIO); 729 } 730 731 switch ( FUNCTION( dev2unit(dev) ) ) { 732 case VIDEO_DEV: 733 return( video_read( bktr, unit, dev, uio ) ); 734 case VBI_DEV: 735 return( vbi_read( bktr, uio, ioflag ) ); 736 } 737 return( ENXIO ); 738} 739 740 741/* 742 * 743 */ 744static int 745bktr_write( struct cdev *dev, struct uio *uio, int ioflag ) 746{ 747 return( EINVAL ); /* XXX or ENXIO ? */ 748} 749 750 751/* 752 * 753 */ 754static int 755bktr_ioctl( struct cdev *dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct thread *td ) 756{ 757 bktr_ptr_t bktr; 758 int unit; 759 760 unit = UNIT(dev2unit(dev)); 761 762 /* Get the device data */ 763 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 764 if (bktr == NULL) { 765 /* the device is no longer valid/functioning */ 766 return (ENXIO); 767 } 768 769#ifdef BKTR_GPIO_ACCESS 770 if (bktr->bigbuf == 0 && cmd != BT848_GPIO_GET_EN && 771 cmd != BT848_GPIO_SET_EN && cmd != BT848_GPIO_GET_DATA && 772 cmd != BT848_GPIO_SET_DATA) /* no frame buffer allocated (ioctl failed) */ 773 return( ENOMEM ); 774#else 775 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 776 return( ENOMEM ); 777#endif 778 779 switch ( FUNCTION( dev2unit(dev) ) ) { 780 case VIDEO_DEV: 781 return( video_ioctl( bktr, unit, cmd, arg, td ) ); 782 case TUNER_DEV: 783 return( tuner_ioctl( bktr, unit, cmd, arg, td ) ); 784 } 785 786 return( ENXIO ); 787} 788 789 790/* 791 * 792 */ 793static int 794bktr_mmap( struct cdev *dev, vm_ooffset_t offset, vm_paddr_t *paddr, 795 int nprot, vm_memattr_t *memattr ) 796{ 797 int unit; 798 bktr_ptr_t bktr; 799 800 unit = UNIT(dev2unit(dev)); 801 802 if (FUNCTION(dev2unit(dev)) > 0) /* only allow mmap on /dev/bktr[n] */ 803 return( -1 ); 804 805 /* Get the device data */ 806 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 807 if (bktr == NULL) { 808 /* the device is no longer valid/functioning */ 809 return (ENXIO); 810 } 811 812 if (nprot & PROT_EXEC) 813 return( -1 ); 814 815 if (offset < 0) 816 return( -1 ); 817 818 if (offset >= bktr->alloc_pages * PAGE_SIZE) 819 return( -1 ); 820 821 *paddr = vtophys(bktr->bigbuf) + offset; 822 return( 0 ); 823} 824 825static int 826bktr_poll( struct cdev *dev, int events, struct thread *td) 827{ 828 int unit; 829 bktr_ptr_t bktr; 830 int revents = 0; 831 DECLARE_INTR_MASK(s); 832 833 unit = UNIT(dev2unit(dev)); 834 835 /* Get the device data */ 836 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 837 if (bktr == NULL) { 838 /* the device is no longer valid/functioning */ 839 return (ENXIO); 840 } 841 842 LOCK_VBI(bktr); 843 DISABLE_INTR(s); 844 845 if (events & (POLLIN | POLLRDNORM)) { 846 847 switch ( FUNCTION( dev2unit(dev) ) ) { 848 case VBI_DEV: 849 if(bktr->vbisize == 0) 850 selrecord(td, &bktr->vbi_select); 851 else 852 revents |= events & (POLLIN | POLLRDNORM); 853 break; 854 } 855 } 856 857 ENABLE_INTR(s); 858 UNLOCK_VBI(bktr); 859 860 return (revents); 861} 862 863/*****************/ 864/* *** BSDI *** */ 865/*****************/ 866 867#if defined(__bsdi__) 868#endif /* __bsdi__ BSDI specific kernel interface routines */ 869 870 871/*****************************/ 872/* *** OpenBSD / NetBSD *** */ 873/*****************************/ 874#if defined(__NetBSD__) || defined(__OpenBSD__) 875 876#define IPL_VIDEO IPL_BIO /* XXX */ 877 878static int bktr_intr(void *arg) { return common_bktr_intr(arg); } 879 880#define bktr_open bktropen 881#define bktr_close bktrclose 882#define bktr_read bktrread 883#define bktr_write bktrwrite 884#define bktr_ioctl bktrioctl 885#define bktr_mmap bktrmmap 886 887vm_offset_t vm_page_alloc_contig(vm_offset_t, vm_offset_t, 888 vm_offset_t, vm_offset_t); 889 890#if defined(__OpenBSD__) 891static int bktr_probe(struct device *, void *, void *); 892#else 893static int bktr_probe(struct device *, struct cfdata *, void *); 894#endif 895static void bktr_attach(struct device *, struct device *, void *); 896 897struct cfattach bktr_ca = { 898 sizeof(struct bktr_softc), bktr_probe, bktr_attach 899}; 900 901#if defined(__NetBSD__) 902extern struct cfdriver bktr_cd; 903#else 904struct cfdriver bktr_cd = { 905 NULL, "bktr", DV_DULL 906}; 907#endif 908 909int 910bktr_probe(parent, match, aux) 911 struct device *parent; 912#if defined(__OpenBSD__) 913 void *match; 914#else 915 struct cfdata *match; 916#endif 917 void *aux; 918{ 919 struct pci_attach_args *pa = aux; 920 921 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_BROOKTREE && 922 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT848 || 923 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT849 || 924 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT878 || 925 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT879)) 926 return 1; 927 928 return 0; 929} 930 931 932/* 933 * the attach routine. 934 */ 935static void 936bktr_attach(struct device *parent, struct device *self, void *aux) 937{ 938 bktr_ptr_t bktr; 939 u_long latency; 940 u_long fun; 941 unsigned int rev; 942 943#if defined(__OpenBSD__) 944 struct pci_attach_args *pa = aux; 945 pci_chipset_tag_t pc = pa->pa_pc; 946 947 pci_intr_handle_t ih; 948 const char *intrstr; 949 int retval; 950 int unit; 951 952 bktr = (bktr_ptr_t)self; 953 unit = bktr->bktr_dev.dv_unit; 954 955 bktr->pc = pa->pa_pc; 956 bktr->tag = pa->pa_tag; 957 bktr->dmat = pa->pa_dmat; 958 959 /* 960 * map memory 961 */ 962 bktr->memt = pa->pa_memt; 963 retval = pci_mem_find(pc, pa->pa_tag, PCI_MAPREG_START, 964 &bktr->phys_base, &bktr->obmemsz, NULL); 965 if (!retval) 966 retval = bus_space_map(pa->pa_memt, bktr->phys_base, 967 bktr->obmemsz, 0, &bktr->memh); 968 if (retval) { 969 printf(": couldn't map memory\n"); 970 return; 971 } 972 973 974 /* 975 * map interrupt 976 */ 977 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 978 pa->pa_intrline, &ih)) { 979 printf(": couldn't map interrupt\n"); 980 return; 981 } 982 intrstr = pci_intr_string(pa->pa_pc, ih); 983 984 bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO, 985 bktr_intr, bktr, bktr->bktr_dev.dv_xname); 986 if (bktr->ih == NULL) { 987 printf(": couldn't establish interrupt"); 988 if (intrstr != NULL) 989 printf(" at %s", intrstr); 990 printf("\n"); 991 return; 992 } 993 994 if (intrstr != NULL) 995 printf(": %s\n", intrstr); 996#endif /* __OpenBSD__ */ 997 998#if defined(__NetBSD__) 999 struct pci_attach_args *pa = aux; 1000 pci_intr_handle_t ih; 1001 const char *intrstr; 1002 int retval; 1003 int unit; 1004 1005 bktr = (bktr_ptr_t)self; 1006 unit = bktr->bktr_dev.dv_unit; 1007 bktr->dmat = pa->pa_dmat; 1008 1009 printf("\n"); 1010 1011 /* 1012 * map memory 1013 */ 1014 retval = pci_mapreg_map(pa, PCI_MAPREG_START, 1015 PCI_MAPREG_TYPE_MEM 1016 | PCI_MAPREG_MEM_TYPE_32BIT, 0, 1017 &bktr->memt, &bktr->memh, NULL, 1018 &bktr->obmemsz); 1019 DPR(("pci_mapreg_map: memt %x, memh %x, size %x\n", 1020 bktr->memt, (u_int)bktr->memh, (u_int)bktr->obmemsz)); 1021 if (retval) { 1022 printf("%s: couldn't map memory\n", bktr_name(bktr)); 1023 return; 1024 } 1025 1026 /* 1027 * Disable the brooktree device 1028 */ 1029 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 1030 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 1031 1032 /* 1033 * map interrupt 1034 */ 1035 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 1036 pa->pa_intrline, &ih)) { 1037 printf("%s: couldn't map interrupt\n", 1038 bktr_name(bktr)); 1039 return; 1040 } 1041 intrstr = pci_intr_string(pa->pa_pc, ih); 1042 bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO, 1043 bktr_intr, bktr); 1044 if (bktr->ih == NULL) { 1045 printf("%s: couldn't establish interrupt", 1046 bktr_name(bktr)); 1047 if (intrstr != NULL) 1048 printf(" at %s", intrstr); 1049 printf("\n"); 1050 return; 1051 } 1052 if (intrstr != NULL) 1053 printf("%s: interrupting at %s\n", bktr_name(bktr), 1054 intrstr); 1055#endif /* __NetBSD__ */ 1056 1057/* 1058 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 1059 * you have more than four, then 16 would probably be a better value. 1060 */ 1061#ifndef BROOKTREE_DEF_LATENCY_VALUE 1062#define BROOKTREE_DEF_LATENCY_VALUE 10 1063#endif 1064 latency = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_LATENCY_TIMER); 1065 latency = (latency >> 8) & 0xff; 1066 1067 if (!latency) { 1068 if (bootverbose) { 1069 printf("%s: PCI bus latency was 0 changing to %d", 1070 bktr_name(bktr), BROOKTREE_DEF_LATENCY_VALUE); 1071 } 1072 latency = BROOKTREE_DEF_LATENCY_VALUE; 1073 pci_conf_write(pa->pa_pc, pa->pa_tag, 1074 PCI_LATENCY_TIMER, latency<<8); 1075 } 1076 1077 1078 /* Enabled Bus Master 1079 XXX: check if all old DMA is stopped first (e.g. after warm 1080 boot) */ 1081 fun = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 1082 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 1083 fun | PCI_COMMAND_MASTER_ENABLE); 1084 1085 /* read the pci id and determine the card type */ 1086 fun = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ID_REG); 1087 rev = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG) & 0x000000ff; 1088 1089 common_bktr_attach(bktr, unit, fun, rev); 1090} 1091 1092 1093/* 1094 * Special Memory Allocation 1095 */ 1096vm_offset_t 1097get_bktr_mem(bktr, dmapp, size) 1098 bktr_ptr_t bktr; 1099 bus_dmamap_t *dmapp; 1100 unsigned int size; 1101{ 1102 bus_dma_tag_t dmat = bktr->dmat; 1103 bus_dma_segment_t seg; 1104 bus_size_t align; 1105 int rseg; 1106 caddr_t kva; 1107 1108 /* 1109 * Allocate a DMA area 1110 */ 1111 align = 1 << 24; 1112 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, 1113 &rseg, BUS_DMA_NOWAIT)) { 1114 align = PAGE_SIZE; 1115 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, 1116 &rseg, BUS_DMA_NOWAIT)) { 1117 printf("%s: Unable to dmamem_alloc of %d bytes\n", 1118 bktr_name(bktr), size); 1119 return 0; 1120 } 1121 } 1122 if (bus_dmamem_map(dmat, &seg, rseg, size, 1123 &kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) { 1124 printf("%s: Unable to dmamem_map of %d bytes\n", 1125 bktr_name(bktr), size); 1126 bus_dmamem_free(dmat, &seg, rseg); 1127 return 0; 1128 } 1129#ifdef __OpenBSD__ 1130 bktr->dm_mapsize = size; 1131#endif 1132 /* 1133 * Create and locd the DMA map for the DMA area 1134 */ 1135 if (bus_dmamap_create(dmat, size, 1, size, 0, BUS_DMA_NOWAIT, dmapp)) { 1136 printf("%s: Unable to dmamap_create of %d bytes\n", 1137 bktr_name(bktr), size); 1138 bus_dmamem_unmap(dmat, kva, size); 1139 bus_dmamem_free(dmat, &seg, rseg); 1140 return 0; 1141 } 1142 if (bus_dmamap_load(dmat, *dmapp, kva, size, NULL, BUS_DMA_NOWAIT)) { 1143 printf("%s: Unable to dmamap_load of %d bytes\n", 1144 bktr_name(bktr), size); 1145 bus_dmamem_unmap(dmat, kva, size); 1146 bus_dmamem_free(dmat, &seg, rseg); 1147 bus_dmamap_destroy(dmat, *dmapp); 1148 return 0; 1149 } 1150 return (vm_offset_t)kva; 1151} 1152 1153void 1154free_bktr_mem(bktr, dmap, kva) 1155 bktr_ptr_t bktr; 1156 bus_dmamap_t dmap; 1157 vm_offset_t kva; 1158{ 1159 bus_dma_tag_t dmat = bktr->dmat; 1160 1161#ifdef __NetBSD__ 1162 bus_dmamem_unmap(dmat, (caddr_t)kva, dmap->dm_mapsize); 1163#else 1164 bus_dmamem_unmap(dmat, (caddr_t)kva, bktr->dm_mapsize); 1165#endif 1166 bus_dmamem_free(dmat, dmap->dm_segs, 1); 1167 bus_dmamap_destroy(dmat, dmap); 1168} 1169 1170 1171/*--------------------------------------------------------- 1172** 1173** BrookTree 848 character device driver routines 1174** 1175**--------------------------------------------------------- 1176*/ 1177 1178 1179#define VIDEO_DEV 0x00 1180#define TUNER_DEV 0x01 1181#define VBI_DEV 0x02 1182 1183#define UNIT(x) (dev2unit((x) & 0x0f)) 1184#define FUNCTION(x) (dev2unit((x >> 4) & 0x0f)) 1185 1186/* 1187 * 1188 */ 1189int 1190bktr_open(dev_t dev, int flags, int fmt, struct thread *td) 1191{ 1192 bktr_ptr_t bktr; 1193 int unit; 1194 1195 unit = UNIT(dev); 1196 1197 /* unit out of range */ 1198 if ((unit > bktr_cd.cd_ndevs) || (bktr_cd.cd_devs[unit] == NULL)) 1199 return(ENXIO); 1200 1201 bktr = bktr_cd.cd_devs[unit]; 1202 1203 if (!(bktr->flags & METEOR_INITALIZED)) /* device not found */ 1204 return(ENXIO); 1205 1206 switch (FUNCTION(dev)) { 1207 case VIDEO_DEV: 1208 return(video_open(bktr)); 1209 case TUNER_DEV: 1210 return(tuner_open(bktr)); 1211 case VBI_DEV: 1212 return(vbi_open(bktr)); 1213 } 1214 1215 return(ENXIO); 1216} 1217 1218 1219/* 1220 * 1221 */ 1222int 1223bktr_close(dev_t dev, int flags, int fmt, struct thread *td) 1224{ 1225 bktr_ptr_t bktr; 1226 int unit; 1227 1228 unit = UNIT(dev); 1229 1230 bktr = bktr_cd.cd_devs[unit]; 1231 1232 switch (FUNCTION(dev)) { 1233 case VIDEO_DEV: 1234 return(video_close(bktr)); 1235 case TUNER_DEV: 1236 return(tuner_close(bktr)); 1237 case VBI_DEV: 1238 return(vbi_close(bktr)); 1239 } 1240 1241 return(ENXIO); 1242} 1243 1244/* 1245 * 1246 */ 1247int 1248bktr_read(dev_t dev, struct uio *uio, int ioflag) 1249{ 1250 bktr_ptr_t bktr; 1251 int unit; 1252 1253 unit = UNIT(dev); 1254 1255 bktr = bktr_cd.cd_devs[unit]; 1256 1257 switch (FUNCTION(dev)) { 1258 case VIDEO_DEV: 1259 return(video_read(bktr, unit, dev, uio)); 1260 case VBI_DEV: 1261 return(vbi_read(bktr, uio, ioflag)); 1262 } 1263 1264 return(ENXIO); 1265} 1266 1267 1268/* 1269 * 1270 */ 1271int 1272bktr_write(dev_t dev, struct uio *uio, int ioflag) 1273{ 1274 /* operation not supported */ 1275 return(EOPNOTSUPP); 1276} 1277 1278/* 1279 * 1280 */ 1281int 1282bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct thread *td) 1283{ 1284 bktr_ptr_t bktr; 1285 int unit; 1286 1287 unit = UNIT(dev); 1288 1289 bktr = bktr_cd.cd_devs[unit]; 1290 1291 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 1292 return(ENOMEM); 1293 1294 switch (FUNCTION(dev)) { 1295 case VIDEO_DEV: 1296 return(video_ioctl(bktr, unit, cmd, arg, pr)); 1297 case TUNER_DEV: 1298 return(tuner_ioctl(bktr, unit, cmd, arg, pr)); 1299 } 1300 1301 return(ENXIO); 1302} 1303 1304/* 1305 * 1306 */ 1307paddr_t 1308bktr_mmap(dev_t dev, off_t offset, int nprot) 1309{ 1310 int unit; 1311 bktr_ptr_t bktr; 1312 1313 unit = UNIT(dev); 1314 1315 if (FUNCTION(dev) > 0) /* only allow mmap on /dev/bktr[n] */ 1316 return(-1); 1317 1318 bktr = bktr_cd.cd_devs[unit]; 1319 1320 if ((vaddr_t)offset < 0) 1321 return(-1); 1322 1323 if ((vaddr_t)offset >= bktr->alloc_pages * PAGE_SIZE) 1324 return(-1); 1325 1326#ifdef __NetBSD__ 1327 return (bus_dmamem_mmap(bktr->dmat, bktr->dm_mem->dm_segs, 1, 1328 (vaddr_t)offset, nprot, BUS_DMA_WAITOK)); 1329#else 1330 return(i386_btop(vtophys(bktr->bigbuf) + offset)); 1331#endif 1332} 1333 1334#endif /* __NetBSD__ || __OpenBSD__ */ 1335