1 /*- 2 * SPDX-License-Identifier: BSD-4-Clause 3 * 4 * 1. Redistributions of source code must retain the 5 * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by Amancio Hasty and 19 * Roger Hardiman 20 * 4. The name of the author may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 25 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 26 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 31 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 32 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 __FBSDID("$FreeBSD$"); 38 39 /* 40 * This is part of the Driver for Video Capture Cards (Frame grabbers) 41 * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879 42 * chipset. 43 * Copyright Roger Hardiman and Amancio Hasty. 44 * 45 * bktr_os : This has all the Operating System dependent code, 46 * probe/attach and open/close/ioctl/read/mmap 47 * memory allocation 48 * PCI bus interfacing 49 */ 50 51 #include "opt_bktr.h" /* include any kernel config options */ 52 53 #define FIFO_RISC_DISABLED 0 54 #define ALL_INTS_DISABLED 0 55 56 57 /*******************/ 58 /* *** FreeBSD *** */ 59 /*******************/ 60 #ifdef __FreeBSD__ 61 62 #include <sys/param.h> 63 #include <sys/systm.h> 64 #include <sys/conf.h> 65 #include <sys/uio.h> 66 #include <sys/kernel.h> 67 #include <sys/module.h> 68 #include <sys/signalvar.h> 69 #include <sys/malloc.h> 70 #include <sys/mman.h> 71 #include <sys/poll.h> 72 #if __FreeBSD_version >= 500014 73 #include <sys/selinfo.h> 74 #else 75 #include <sys/select.h> 76 #endif 77 78 #include <vm/vm.h> 79 #include <vm/vm_kern.h> 80 #include <vm/pmap.h> 81 #include <vm/vm_extern.h> 82 83 #include <sys/bus.h> /* used by smbus and newbus */ 84 85 #include <machine/bus.h> /* used by bus space and newbus */ 86 #include <sys/bus.h> 87 88 #include <sys/rman.h> /* used by newbus */ 89 #include <machine/resource.h> /* used by newbus */ 90 91 #if (__FreeBSD_version < 500000) 92 #include <machine/clock.h> /* for DELAY */ 93 #include <pci/pcivar.h> 94 #include <pci/pcireg.h> 95 #else 96 #include <dev/pci/pcivar.h> 97 #include <dev/pci/pcireg.h> 98 #endif 99 100 #include <sys/sysctl.h> 101 int bt848_card = -1; 102 int bt848_tuner = -1; 103 int bt848_reverse_mute = -1; 104 int bt848_format = -1; 105 int bt848_slow_msp_audio = -1; 106 #ifdef BKTR_NEW_MSP34XX_DRIVER 107 int bt848_stereo_once = 0; /* no continuous stereo monitoring */ 108 int bt848_amsound = 0; /* hard-wire AM sound at 6.5 Hz (france), 109 the autoscan seems work well only with FM... */ 110 int bt848_dolby = 0; 111 #endif 112 113 static SYSCTL_NODE(_hw, OID_AUTO, bt848, CTLFLAG_RW, 0, "Bt848 Driver mgmt"); 114 SYSCTL_INT(_hw_bt848, OID_AUTO, card, CTLFLAG_RW, &bt848_card, -1, ""); 115 SYSCTL_INT(_hw_bt848, OID_AUTO, tuner, CTLFLAG_RW, &bt848_tuner, -1, ""); 116 SYSCTL_INT(_hw_bt848, OID_AUTO, reverse_mute, CTLFLAG_RW, &bt848_reverse_mute, -1, ""); 117 SYSCTL_INT(_hw_bt848, OID_AUTO, format, CTLFLAG_RW, &bt848_format, -1, ""); 118 SYSCTL_INT(_hw_bt848, OID_AUTO, slow_msp_audio, CTLFLAG_RW, &bt848_slow_msp_audio, -1, ""); 119 #ifdef BKTR_NEW_MSP34XX_DRIVER 120 SYSCTL_INT(_hw_bt848, OID_AUTO, stereo_once, CTLFLAG_RW, &bt848_stereo_once, 0, ""); 121 SYSCTL_INT(_hw_bt848, OID_AUTO, amsound, CTLFLAG_RW, &bt848_amsound, 0, ""); 122 SYSCTL_INT(_hw_bt848, OID_AUTO, dolby, CTLFLAG_RW, &bt848_dolby, 0, ""); 123 #endif 124 125 #endif /* end freebsd section */ 126 127 128 129 /****************/ 130 /* *** BSDI *** */ 131 /****************/ 132 #ifdef __bsdi__ 133 #endif /* __bsdi__ */ 134 135 136 /**************************/ 137 /* *** OpenBSD/NetBSD *** */ 138 /**************************/ 139 #if defined(__NetBSD__) || defined(__OpenBSD__) 140 141 #include <sys/param.h> 142 #include <sys/systm.h> 143 #include <sys/conf.h> 144 #include <sys/uio.h> 145 #include <sys/kernel.h> 146 #include <sys/signalvar.h> 147 #include <sys/mman.h> 148 #include <sys/poll.h> 149 #include <sys/select.h> 150 #include <sys/vnode.h> 151 152 #include <vm/vm.h> 153 154 #include <dev/bktr/ioctl_bt848.h> /* extensions to ioctl_meteor.h */ 155 156 #ifndef __NetBSD__ 157 #include <vm/vm_kern.h> 158 #include <vm/pmap.h> 159 #include <vm/vm_extern.h> 160 #endif 161 162 #include <sys/device.h> 163 #include <dev/pci/pcivar.h> 164 #include <dev/pci/pcireg.h> 165 #include <dev/pci/pcidevs.h> 166 167 #define BKTR_DEBUG 168 #ifdef BKTR_DEBUG 169 int bktr_debug = 0; 170 #define DPR(x) (bktr_debug ? printf x : 0) 171 #else 172 #define DPR(x) 173 #endif 174 #endif /* __NetBSD__ || __OpenBSD__ */ 175 176 177 #ifdef __NetBSD__ 178 #include <dev/ic/bt8xx.h> /* NetBSD location for .h files */ 179 #include <dev/pci/bktr/bktr_reg.h> 180 #include <dev/pci/bktr/bktr_tuner.h> 181 #include <dev/pci/bktr/bktr_card.h> 182 #include <dev/pci/bktr/bktr_audio.h> 183 #include <dev/pci/bktr/bktr_core.h> 184 #include <dev/pci/bktr/bktr_os.h> 185 #else /* Traditional location for .h files */ 186 #include <dev/bktr/ioctl_meteor.h> 187 #include <dev/bktr/ioctl_bt848.h> /* extensions to ioctl_meteor.h */ 188 #include <dev/bktr/bktr_reg.h> 189 #include <dev/bktr/bktr_tuner.h> 190 #include <dev/bktr/bktr_card.h> 191 #include <dev/bktr/bktr_audio.h> 192 #include <dev/bktr/bktr_core.h> 193 #include <dev/bktr/bktr_os.h> 194 195 #if defined(BKTR_USE_FREEBSD_SMBUS) 196 #include <dev/bktr/bktr_i2c.h> 197 198 #include "iicbb_if.h" 199 #include "smbus_if.h" 200 #endif 201 #endif 202 203 204 /****************************/ 205 /* *** FreeBSD 4.x code *** */ 206 /****************************/ 207 208 static int bktr_probe( device_t dev ); 209 static int bktr_attach( device_t dev ); 210 static int bktr_detach( device_t dev ); 211 static int bktr_shutdown( device_t dev ); 212 static void bktr_intr(void *arg) { common_bktr_intr(arg); } 213 214 static device_method_t bktr_methods[] = { 215 /* Device interface */ 216 DEVMETHOD(device_probe, bktr_probe), 217 DEVMETHOD(device_attach, bktr_attach), 218 DEVMETHOD(device_detach, bktr_detach), 219 DEVMETHOD(device_shutdown, bktr_shutdown), 220 221 #if defined(BKTR_USE_FREEBSD_SMBUS) 222 /* iicbb interface */ 223 DEVMETHOD(iicbb_callback, bti2c_iic_callback), 224 DEVMETHOD(iicbb_setsda, bti2c_iic_setsda), 225 DEVMETHOD(iicbb_setscl, bti2c_iic_setscl), 226 DEVMETHOD(iicbb_getsda, bti2c_iic_getsda), 227 DEVMETHOD(iicbb_getscl, bti2c_iic_getscl), 228 DEVMETHOD(iicbb_reset, bti2c_iic_reset), 229 230 /* smbus interface */ 231 DEVMETHOD(smbus_callback, bti2c_smb_callback), 232 DEVMETHOD(smbus_writeb, bti2c_smb_writeb), 233 DEVMETHOD(smbus_writew, bti2c_smb_writew), 234 DEVMETHOD(smbus_readb, bti2c_smb_readb), 235 #endif 236 237 { 0, 0 } 238 }; 239 240 static driver_t bktr_driver = { 241 "bktr", 242 bktr_methods, 243 sizeof(struct bktr_softc), 244 }; 245 246 static devclass_t bktr_devclass; 247 248 static d_open_t bktr_open; 249 static d_close_t bktr_close; 250 static d_read_t bktr_read; 251 static d_write_t bktr_write; 252 static d_ioctl_t bktr_ioctl; 253 static d_mmap_t bktr_mmap; 254 static d_poll_t bktr_poll; 255 256 static struct cdevsw bktr_cdevsw = { 257 .d_version = D_VERSION, 258 .d_flags = D_NEEDGIANT, 259 .d_open = bktr_open, 260 .d_close = bktr_close, 261 .d_read = bktr_read, 262 .d_write = bktr_write, 263 .d_ioctl = bktr_ioctl, 264 .d_poll = bktr_poll, 265 .d_mmap = bktr_mmap, 266 .d_name = "bktr", 267 }; 268 269 #ifdef BKTR_USE_FREEBSD_SMBUS 270 #include <dev/iicbus/iiconf.h> 271 #include <dev/smbus/smbconf.h> 272 MODULE_DEPEND(bktr, iicbb, IICBB_MINVER, IICBB_MODVER, IICBB_MAXVER); 273 MODULE_DEPEND(bktr, iicbus, IICBUS_MINVER, IICBUS_MODVER, IICBUS_MAXVER); 274 MODULE_DEPEND(bktr, smbus, SMBUS_MINVER, SMBUS_MODVER, SMBUS_MAXVER); 275 #endif 276 DRIVER_MODULE(bktr, pci, bktr_driver, bktr_devclass, 0, 0); 277 MODULE_DEPEND(bktr, bktr_mem, 1,1,1); 278 MODULE_VERSION(bktr, 1); 279 280 281 /* 282 * the boot time probe routine. 283 */ 284 static int 285 bktr_probe( device_t dev ) 286 { 287 unsigned int type = pci_get_devid(dev); 288 unsigned int rev = pci_get_revid(dev); 289 290 if (BKTR_PCI_VENDOR(type) == PCI_VENDOR_BROOKTREE) 291 { 292 switch (BKTR_PCI_PRODUCT(type)) { 293 case PCI_PRODUCT_BROOKTREE_BT848: 294 if (rev == 0x12) 295 device_set_desc(dev, "BrookTree 848A"); 296 else 297 device_set_desc(dev, "BrookTree 848"); 298 return BUS_PROBE_DEFAULT; 299 case PCI_PRODUCT_BROOKTREE_BT849: 300 device_set_desc(dev, "BrookTree 849A"); 301 return BUS_PROBE_DEFAULT; 302 case PCI_PRODUCT_BROOKTREE_BT878: 303 device_set_desc(dev, "BrookTree 878"); 304 return BUS_PROBE_DEFAULT; 305 case PCI_PRODUCT_BROOKTREE_BT879: 306 device_set_desc(dev, "BrookTree 879"); 307 return BUS_PROBE_DEFAULT; 308 } 309 } 310 311 return ENXIO; 312 } 313 314 315 /* 316 * the attach routine. 317 */ 318 static int 319 bktr_attach( device_t dev ) 320 { 321 u_long latency; 322 u_long fun; 323 unsigned int rev; 324 unsigned int unit; 325 int error = 0; 326 #ifdef BROOKTREE_IRQ 327 u_long old_irq, new_irq; 328 #endif 329 330 struct bktr_softc *bktr = device_get_softc(dev); 331 332 unit = device_get_unit(dev); 333 334 /* build the device name for bktr_name() */ 335 snprintf(bktr->bktr_xname, sizeof(bktr->bktr_xname), "bktr%d",unit); 336 337 /* 338 * Enable bus mastering and Memory Mapped device 339 */ 340 pci_enable_busmaster(dev); 341 342 /* 343 * Map control/status registers. 344 */ 345 bktr->mem_rid = PCIR_BAR(0); 346 bktr->res_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 347 &bktr->mem_rid, RF_ACTIVE); 348 349 if (!bktr->res_mem) { 350 device_printf(dev, "could not map memory\n"); 351 error = ENXIO; 352 goto fail; 353 } 354 bktr->memt = rman_get_bustag(bktr->res_mem); 355 bktr->memh = rman_get_bushandle(bktr->res_mem); 356 357 358 /* 359 * Disable the brooktree device 360 */ 361 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 362 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 363 364 365 #ifdef BROOKTREE_IRQ /* from the configuration file */ 366 old_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 367 pci_conf_write(tag, PCI_INTERRUPT_REG, BROOKTREE_IRQ); 368 new_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); 369 printf("bktr%d: attach: irq changed from %d to %d\n", 370 unit, (old_irq & 0xff), (new_irq & 0xff)); 371 #endif 372 373 /* 374 * Allocate our interrupt. 375 */ 376 bktr->irq_rid = 0; 377 bktr->res_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 378 &bktr->irq_rid, RF_SHAREABLE | RF_ACTIVE); 379 if (bktr->res_irq == NULL) { 380 device_printf(dev, "could not map interrupt\n"); 381 error = ENXIO; 382 goto fail; 383 } 384 385 error = bus_setup_intr(dev, bktr->res_irq, INTR_TYPE_TTY, 386 NULL, bktr_intr, bktr, &bktr->res_ih); 387 if (error) { 388 device_printf(dev, "could not setup irq\n"); 389 goto fail; 390 391 } 392 393 394 /* Update the Device Control Register */ 395 /* on Bt878 and Bt879 cards */ 396 fun = pci_read_config( dev, 0x40, 2); 397 fun = fun | 1; /* Enable writes to the sub-system vendor ID */ 398 399 #if defined( BKTR_430_FX_MODE ) 400 if (bootverbose) printf("Using 430 FX chipset compatibility mode\n"); 401 fun = fun | 2; /* Enable Intel 430 FX compatibility mode */ 402 #endif 403 404 #if defined( BKTR_SIS_VIA_MODE ) 405 if (bootverbose) printf("Using SiS/VIA chipset compatibility mode\n"); 406 fun = fun | 4; /* Enable SiS/VIA compatibility mode (useful for 407 OPTi chipset motherboards too */ 408 #endif 409 pci_write_config(dev, 0x40, fun, 2); 410 411 #if defined(BKTR_USE_FREEBSD_SMBUS) 412 if (bt848_i2c_attach(dev)) 413 printf("bktr%d: i2c_attach: can't attach\n", unit); 414 #endif 415 416 /* 417 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 418 * you have more than four, then 16 would probably be a better value. 419 */ 420 #ifndef BROOKTREE_DEF_LATENCY_VALUE 421 #define BROOKTREE_DEF_LATENCY_VALUE 10 422 #endif 423 latency = pci_read_config(dev, PCI_LATENCY_TIMER, 4); 424 latency = (latency >> 8) & 0xff; 425 if ( bootverbose ) { 426 if (latency) 427 printf("brooktree%d: PCI bus latency is", unit); 428 else 429 printf("brooktree%d: PCI bus latency was 0 changing to", 430 unit); 431 } 432 if ( !latency ) { 433 latency = BROOKTREE_DEF_LATENCY_VALUE; 434 pci_write_config(dev, PCI_LATENCY_TIMER, latency<<8, 4); 435 } 436 if ( bootverbose ) { 437 printf(" %d.\n", (int) latency); 438 } 439 440 /* read the pci device id and revision id */ 441 fun = pci_get_devid(dev); 442 rev = pci_get_revid(dev); 443 444 /* call the common attach code */ 445 common_bktr_attach( bktr, unit, fun, rev ); 446 447 /* make the device entries */ 448 bktr->bktrdev = make_dev(&bktr_cdevsw, unit, 449 0, 0, 0444, "bktr%d", unit); 450 bktr->tunerdev= make_dev(&bktr_cdevsw, unit+16, 451 0, 0, 0444, "tuner%d", unit); 452 bktr->vbidev = make_dev(&bktr_cdevsw, unit+32, 453 0, 0, 0444, "vbi%d" , unit); 454 455 456 /* if this is unit 0 (/dev/bktr0, /dev/tuner0, /dev/vbi0) then make */ 457 /* alias entries to /dev/bktr /dev/tuner and /dev/vbi */ 458 #if (__FreeBSD_version >=500000) 459 if (unit == 0) { 460 bktr->bktrdev_alias = make_dev_alias(bktr->bktrdev, "bktr"); 461 bktr->tunerdev_alias= make_dev_alias(bktr->tunerdev, "tuner"); 462 bktr->vbidev_alias = make_dev_alias(bktr->vbidev, "vbi"); 463 } 464 #endif 465 466 return 0; 467 468 fail: 469 if (bktr->res_irq) 470 bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq); 471 if (bktr->res_mem) 472 bus_release_resource(dev, SYS_RES_MEMORY, bktr->mem_rid, bktr->res_mem); 473 return error; 474 475 } 476 477 /* 478 * the detach routine. 479 */ 480 static int 481 bktr_detach( device_t dev ) 482 { 483 struct bktr_softc *bktr = device_get_softc(dev); 484 485 #ifdef BKTR_NEW_MSP34XX_DRIVER 486 /* Disable the soundchip and kernel thread */ 487 if (bktr->msp3400c_info != NULL) 488 msp_detach(bktr); 489 #endif 490 491 /* Disable the brooktree device */ 492 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 493 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 494 495 #if defined(BKTR_USE_FREEBSD_SMBUS) 496 if (bt848_i2c_detach(dev)) 497 printf("bktr%d: i2c_attach: can't attach\n", 498 device_get_unit(dev)); 499 #endif 500 #ifdef USE_VBIMUTEX 501 mtx_destroy(&bktr->vbimutex); 502 #endif 503 504 /* Note: We do not free memory for RISC programs, grab buffer, vbi buffers */ 505 /* The memory is retained by the bktr_mem module so we can unload and */ 506 /* then reload the main bktr driver module */ 507 508 /* Unregister the /dev/bktrN, tunerN and vbiN devices, 509 * the aliases for unit 0 are automatically destroyed */ 510 destroy_dev(bktr->vbidev); 511 destroy_dev(bktr->tunerdev); 512 destroy_dev(bktr->bktrdev); 513 514 /* 515 * Deallocate resources. 516 */ 517 bus_teardown_intr(dev, bktr->res_irq, bktr->res_ih); 518 bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq); 519 bus_release_resource(dev, SYS_RES_MEMORY, bktr->mem_rid, bktr->res_mem); 520 521 return 0; 522 } 523 524 /* 525 * the shutdown routine. 526 */ 527 static int 528 bktr_shutdown( device_t dev ) 529 { 530 struct bktr_softc *bktr = device_get_softc(dev); 531 532 /* Disable the brooktree device */ 533 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 534 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 535 536 return 0; 537 } 538 539 540 /* 541 * Special Memory Allocation 542 */ 543 vm_offset_t 544 get_bktr_mem( int unit, unsigned size ) 545 { 546 vm_offset_t addr = 0; 547 548 addr = (vm_offset_t)contigmalloc(size, M_DEVBUF, M_NOWAIT, 0, 549 0xffffffff, 1<<24, 0); 550 if (addr == 0) 551 addr = (vm_offset_t)contigmalloc(size, M_DEVBUF, M_NOWAIT, 0, 552 0xffffffff, PAGE_SIZE, 0); 553 if (addr == 0) { 554 printf("bktr%d: Unable to allocate %d bytes of memory.\n", 555 unit, size); 556 } 557 558 return( addr ); 559 } 560 561 562 /*--------------------------------------------------------- 563 ** 564 ** BrookTree 848 character device driver routines 565 ** 566 **--------------------------------------------------------- 567 */ 568 569 #define VIDEO_DEV 0x00 570 #define TUNER_DEV 0x01 571 #define VBI_DEV 0x02 572 573 #define UNIT(x) ((x) & 0x0f) 574 #define FUNCTION(x) (x >> 4) 575 576 /* 577 * 578 */ 579 static int 580 bktr_open( struct cdev *dev, int flags, int fmt, struct thread *td ) 581 { 582 bktr_ptr_t bktr; 583 int unit; 584 int result; 585 586 unit = UNIT( dev2unit(dev) ); 587 588 /* Get the device data */ 589 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 590 if (bktr == NULL) { 591 /* the device is no longer valid/functioning */ 592 return (ENXIO); 593 } 594 595 if (!(bktr->flags & METEOR_INITALIZED)) /* device not found */ 596 return( ENXIO ); 597 598 /* Record that the device is now busy */ 599 device_busy(devclass_get_device(bktr_devclass, unit)); 600 601 602 if (bt848_card != -1) { 603 if ((bt848_card >> 8 == unit ) && 604 ( (bt848_card & 0xff) < Bt848_MAX_CARD )) { 605 if ( bktr->bt848_card != (bt848_card & 0xff) ) { 606 bktr->bt848_card = (bt848_card & 0xff); 607 probeCard(bktr, FALSE, unit); 608 } 609 } 610 } 611 612 if (bt848_tuner != -1) { 613 if ((bt848_tuner >> 8 == unit ) && 614 ( (bt848_tuner & 0xff) < Bt848_MAX_TUNER )) { 615 if ( bktr->bt848_tuner != (bt848_tuner & 0xff) ) { 616 bktr->bt848_tuner = (bt848_tuner & 0xff); 617 probeCard(bktr, FALSE, unit); 618 } 619 } 620 } 621 622 if (bt848_reverse_mute != -1) { 623 if ((bt848_reverse_mute >> 8) == unit ) { 624 bktr->reverse_mute = bt848_reverse_mute & 0xff; 625 } 626 } 627 628 if (bt848_slow_msp_audio != -1) { 629 if ((bt848_slow_msp_audio >> 8) == unit ) { 630 bktr->slow_msp_audio = (bt848_slow_msp_audio & 0xff); 631 } 632 } 633 634 #ifdef BKTR_NEW_MSP34XX_DRIVER 635 if (bt848_stereo_once != 0) { 636 if ((bt848_stereo_once >> 8) == unit ) { 637 bktr->stereo_once = (bt848_stereo_once & 0xff); 638 } 639 } 640 641 if (bt848_amsound != -1) { 642 if ((bt848_amsound >> 8) == unit ) { 643 bktr->amsound = (bt848_amsound & 0xff); 644 } 645 } 646 647 if (bt848_dolby != -1) { 648 if ((bt848_dolby >> 8) == unit ) { 649 bktr->dolby = (bt848_dolby & 0xff); 650 } 651 } 652 #endif 653 654 switch ( FUNCTION( dev2unit(dev) ) ) { 655 case VIDEO_DEV: 656 result = video_open( bktr ); 657 break; 658 case TUNER_DEV: 659 result = tuner_open( bktr ); 660 break; 661 case VBI_DEV: 662 result = vbi_open( bktr ); 663 break; 664 default: 665 result = ENXIO; 666 break; 667 } 668 669 /* If there was an error opening the device, undo the busy status */ 670 if (result != 0) 671 device_unbusy(devclass_get_device(bktr_devclass, unit)); 672 return( result ); 673 } 674 675 676 /* 677 * 678 */ 679 static int 680 bktr_close( struct cdev *dev, int flags, int fmt, struct thread *td ) 681 { 682 bktr_ptr_t bktr; 683 int unit; 684 int result; 685 686 unit = UNIT( dev2unit(dev) ); 687 688 /* Get the device data */ 689 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 690 if (bktr == NULL) { 691 /* the device is no longer valid/functioning */ 692 return (ENXIO); 693 } 694 695 switch ( FUNCTION( dev2unit(dev) ) ) { 696 case VIDEO_DEV: 697 result = video_close( bktr ); 698 break; 699 case TUNER_DEV: 700 result = tuner_close( bktr ); 701 break; 702 case VBI_DEV: 703 result = vbi_close( bktr ); 704 break; 705 default: 706 return (ENXIO); 707 break; 708 } 709 710 device_unbusy(devclass_get_device(bktr_devclass, unit)); 711 return( result ); 712 } 713 714 715 /* 716 * 717 */ 718 static int 719 bktr_read( struct cdev *dev, struct uio *uio, int ioflag ) 720 { 721 bktr_ptr_t bktr; 722 int unit; 723 724 unit = UNIT(dev2unit(dev)); 725 726 /* Get the device data */ 727 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 728 if (bktr == NULL) { 729 /* the device is no longer valid/functioning */ 730 return (ENXIO); 731 } 732 733 switch ( FUNCTION( dev2unit(dev) ) ) { 734 case VIDEO_DEV: 735 return( video_read( bktr, unit, dev, uio ) ); 736 case VBI_DEV: 737 return( vbi_read( bktr, uio, ioflag ) ); 738 } 739 return( ENXIO ); 740 } 741 742 743 /* 744 * 745 */ 746 static int 747 bktr_write( struct cdev *dev, struct uio *uio, int ioflag ) 748 { 749 return( EINVAL ); /* XXX or ENXIO ? */ 750 } 751 752 753 /* 754 * 755 */ 756 static int 757 bktr_ioctl( struct cdev *dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct thread *td ) 758 { 759 bktr_ptr_t bktr; 760 int unit; 761 762 unit = UNIT(dev2unit(dev)); 763 764 /* Get the device data */ 765 bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); 766 if (bktr == NULL) { 767 /* the device is no longer valid/functioning */ 768 return (ENXIO); 769 } 770 771 #ifdef BKTR_GPIO_ACCESS 772 if (bktr->bigbuf == 0 && cmd != BT848_GPIO_GET_EN && 773 cmd != BT848_GPIO_SET_EN && cmd != BT848_GPIO_GET_DATA && 774 cmd != BT848_GPIO_SET_DATA) /* no frame buffer allocated (ioctl failed) */ 775 return( ENOMEM ); 776 #else 777 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 778 return( ENOMEM ); 779 #endif 780 781 switch ( FUNCTION( dev2unit(dev) ) ) { 782 case VIDEO_DEV: 783 return( video_ioctl( bktr, unit, cmd, arg, td ) ); 784 case TUNER_DEV: 785 return( tuner_ioctl( bktr, unit, cmd, arg, td ) ); 786 } 787 788 return( ENXIO ); 789 } 790 791 792 /* 793 * 794 */ 795 static int 796 bktr_mmap( struct cdev *dev, vm_ooffset_t offset, vm_paddr_t *paddr, 797 int nprot, vm_memattr_t *memattr ) 798 { 799 int unit; 800 bktr_ptr_t bktr; 801 802 unit = UNIT(dev2unit(dev)); 803 804 if (FUNCTION(dev2unit(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 } 826 827 static int 828 bktr_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(dev2unit(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( dev2unit(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 */ 879 880 static 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 888 889 vm_offset_t vm_page_alloc_contig(vm_offset_t, vm_offset_t, 890 vm_offset_t, vm_offset_t); 891 892 #if defined(__OpenBSD__) 893 static int bktr_probe(struct device *, void *, void *); 894 static void bktr_attach(struct device *, struct device *, void *); 895 #else 896 static int bktr_probe(device_t, struct cfdata *, void *); 897 static void bktr_attach(device_t, device_t, void *); 898 #endif 899 900 struct cfattach bktr_ca = { 901 sizeof(struct bktr_softc), bktr_probe, bktr_attach 902 }; 903 904 #if defined(__NetBSD__) 905 extern struct cfdriver bktr_cd; 906 #else 907 struct cfdriver bktr_cd = { 908 NULL, "bktr", DV_DULL 909 }; 910 #endif 911 912 int 913 bktr_probe(parent, match, aux) 914 #if defined(__OpenBSD__) 915 struct device *parent; 916 void *match; 917 #else 918 device_t parent; 919 struct cfdata *match; 920 #endif 921 void *aux; 922 { 923 struct pci_attach_args *pa = aux; 924 925 if (BKTR_PCI_VENDOR(pa->pa_id) == PCI_VENDOR_BROOKTREE && 926 (BKTR_PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT848 || 927 BKTR_PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT849 || 928 BKTR_PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT878 || 929 BKTR_PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT879)) 930 return 1; 931 932 return 0; 933 } 934 935 936 /* 937 * the attach routine. 938 */ 939 static void 940 bktr_attach(parent, self, aux) 941 #if defined(__OpenBSD__) 942 struct device *parent; 943 struct device *self; 944 #else 945 device_t parent; 946 device_t self; 947 #endif 948 void *aux; 949 { 950 bktr_ptr_t bktr; 951 u_long latency; 952 u_long fun; 953 unsigned int rev; 954 955 #if defined(__OpenBSD__) 956 struct pci_attach_args *pa = aux; 957 pci_chipset_tag_t pc = pa->pa_pc; 958 959 pci_intr_handle_t ih; 960 const char *intrstr; 961 int retval; 962 int unit; 963 964 bktr = (bktr_ptr_t)self; 965 unit = bktr->bktr_dev.dv_unit; 966 967 bktr->pc = pa->pa_pc; 968 bktr->tag = pa->pa_tag; 969 bktr->dmat = pa->pa_dmat; 970 971 /* 972 * map memory 973 */ 974 bktr->memt = pa->pa_memt; 975 retval = pci_mem_find(pc, pa->pa_tag, PCI_MAPREG_START, 976 &bktr->phys_base, &bktr->obmemsz, NULL); 977 if (!retval) 978 retval = bus_space_map(pa->pa_memt, bktr->phys_base, 979 bktr->obmemsz, 0, &bktr->memh); 980 if (retval) { 981 printf(": couldn't map memory\n"); 982 return; 983 } 984 985 986 /* 987 * map interrupt 988 */ 989 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 990 pa->pa_intrline, &ih)) { 991 printf(": couldn't map interrupt\n"); 992 return; 993 } 994 intrstr = pci_intr_string(pa->pa_pc, ih); 995 996 bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO, 997 bktr_intr, bktr, bktr->bktr_dev.dv_xname); 998 if (bktr->ih == NULL) { 999 printf(": couldn't establish interrupt"); 1000 if (intrstr != NULL) 1001 printf(" at %s", intrstr); 1002 printf("\n"); 1003 return; 1004 } 1005 1006 if (intrstr != NULL) 1007 printf(": %s\n", intrstr); 1008 #endif /* __OpenBSD__ */ 1009 1010 #if defined(__NetBSD__) 1011 struct pci_attach_args *pa = aux; 1012 pci_intr_handle_t ih; 1013 const char *intrstr; 1014 int retval; 1015 int unit; 1016 1017 bktr = (bktr_ptr_t)self; 1018 unit = bktr->bktr_dev.dv_unit; 1019 bktr->dmat = pa->pa_dmat; 1020 1021 printf("\n"); 1022 1023 /* 1024 * map memory 1025 */ 1026 retval = pci_mapreg_map(pa, PCI_MAPREG_START, 1027 PCI_MAPREG_TYPE_MEM 1028 | PCI_MAPREG_MEM_TYPE_32BIT, 0, 1029 &bktr->memt, &bktr->memh, NULL, 1030 &bktr->obmemsz); 1031 DPR(("pci_mapreg_map: memt %x, memh %x, size %x\n", 1032 bktr->memt, (u_int)bktr->memh, (u_int)bktr->obmemsz)); 1033 if (retval) { 1034 printf("%s: couldn't map memory\n", bktr_name(bktr)); 1035 return; 1036 } 1037 1038 /* 1039 * Disable the brooktree device 1040 */ 1041 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); 1042 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); 1043 1044 /* 1045 * map interrupt 1046 */ 1047 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 1048 pa->pa_intrline, &ih)) { 1049 printf("%s: couldn't map interrupt\n", 1050 bktr_name(bktr)); 1051 return; 1052 } 1053 intrstr = pci_intr_string(pa->pa_pc, ih); 1054 bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO, 1055 bktr_intr, bktr); 1056 if (bktr->ih == NULL) { 1057 printf("%s: couldn't establish interrupt", 1058 bktr_name(bktr)); 1059 if (intrstr != NULL) 1060 printf(" at %s", intrstr); 1061 printf("\n"); 1062 return; 1063 } 1064 if (intrstr != NULL) 1065 printf("%s: interrupting at %s\n", bktr_name(bktr), 1066 intrstr); 1067 #endif /* __NetBSD__ */ 1068 1069 /* 1070 * PCI latency timer. 32 is a good value for 4 bus mastering slots, if 1071 * you have more than four, then 16 would probably be a better value. 1072 */ 1073 #ifndef BROOKTREE_DEF_LATENCY_VALUE 1074 #define BROOKTREE_DEF_LATENCY_VALUE 10 1075 #endif 1076 latency = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_LATENCY_TIMER); 1077 latency = (latency >> 8) & 0xff; 1078 1079 if (!latency) { 1080 if (bootverbose) { 1081 printf("%s: PCI bus latency was 0 changing to %d", 1082 bktr_name(bktr), BROOKTREE_DEF_LATENCY_VALUE); 1083 } 1084 latency = BROOKTREE_DEF_LATENCY_VALUE; 1085 pci_conf_write(pa->pa_pc, pa->pa_tag, 1086 PCI_LATENCY_TIMER, latency<<8); 1087 } 1088 1089 1090 /* Enabled Bus Master 1091 XXX: check if all old DMA is stopped first (e.g. after warm 1092 boot) */ 1093 fun = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 1094 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 1095 fun | PCI_COMMAND_MASTER_ENABLE); 1096 1097 /* read the pci id and determine the card type */ 1098 fun = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ID_REG); 1099 rev = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG) & 0x000000ff; 1100 1101 common_bktr_attach(bktr, unit, fun, rev); 1102 } 1103 1104 1105 /* 1106 * Special Memory Allocation 1107 */ 1108 vm_offset_t 1109 get_bktr_mem(bktr, dmapp, size) 1110 bktr_ptr_t bktr; 1111 bus_dmamap_t *dmapp; 1112 unsigned int size; 1113 { 1114 bus_dma_tag_t dmat = bktr->dmat; 1115 bus_dma_segment_t seg; 1116 bus_size_t align; 1117 int rseg; 1118 caddr_t kva; 1119 1120 /* 1121 * Allocate a DMA area 1122 */ 1123 align = 1 << 24; 1124 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, 1125 &rseg, BUS_DMA_NOWAIT)) { 1126 align = PAGE_SIZE; 1127 if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, 1128 &rseg, BUS_DMA_NOWAIT)) { 1129 printf("%s: Unable to dmamem_alloc of %d bytes\n", 1130 bktr_name(bktr), size); 1131 return 0; 1132 } 1133 } 1134 if (bus_dmamem_map(dmat, &seg, rseg, size, 1135 &kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) { 1136 printf("%s: Unable to dmamem_map of %d bytes\n", 1137 bktr_name(bktr), size); 1138 bus_dmamem_free(dmat, &seg, rseg); 1139 return 0; 1140 } 1141 #ifdef __OpenBSD__ 1142 bktr->dm_mapsize = size; 1143 #endif 1144 /* 1145 * Create and locd the DMA map for the DMA area 1146 */ 1147 if (bus_dmamap_create(dmat, size, 1, size, 0, BUS_DMA_NOWAIT, dmapp)) { 1148 printf("%s: Unable to dmamap_create of %d bytes\n", 1149 bktr_name(bktr), size); 1150 bus_dmamem_unmap(dmat, kva, size); 1151 bus_dmamem_free(dmat, &seg, rseg); 1152 return 0; 1153 } 1154 if (bus_dmamap_load(dmat, *dmapp, kva, size, NULL, BUS_DMA_NOWAIT)) { 1155 printf("%s: Unable to dmamap_load of %d bytes\n", 1156 bktr_name(bktr), size); 1157 bus_dmamem_unmap(dmat, kva, size); 1158 bus_dmamem_free(dmat, &seg, rseg); 1159 bus_dmamap_destroy(dmat, *dmapp); 1160 return 0; 1161 } 1162 return (vm_offset_t)kva; 1163 } 1164 1165 void 1166 free_bktr_mem(bktr, dmap, kva) 1167 bktr_ptr_t bktr; 1168 bus_dmamap_t dmap; 1169 vm_offset_t kva; 1170 { 1171 bus_dma_tag_t dmat = bktr->dmat; 1172 1173 #ifdef __NetBSD__ 1174 bus_dmamem_unmap(dmat, (caddr_t)kva, dmap->dm_mapsize); 1175 #else 1176 bus_dmamem_unmap(dmat, (caddr_t)kva, bktr->dm_mapsize); 1177 #endif 1178 bus_dmamem_free(dmat, dmap->dm_segs, 1); 1179 bus_dmamap_destroy(dmat, dmap); 1180 } 1181 1182 1183 /*--------------------------------------------------------- 1184 ** 1185 ** BrookTree 848 character device driver routines 1186 ** 1187 **--------------------------------------------------------- 1188 */ 1189 1190 1191 #define VIDEO_DEV 0x00 1192 #define TUNER_DEV 0x01 1193 #define VBI_DEV 0x02 1194 1195 #define UNIT(x) (dev2unit((x) & 0x0f)) 1196 #define FUNCTION(x) (dev2unit((x >> 4) & 0x0f)) 1197 1198 /* 1199 * 1200 */ 1201 int 1202 bktr_open(dev_t dev, int flags, int fmt, struct thread *td) 1203 { 1204 bktr_ptr_t bktr; 1205 int unit; 1206 1207 unit = UNIT(dev); 1208 1209 /* unit out of range */ 1210 if ((unit > bktr_cd.cd_ndevs) || (bktr_cd.cd_devs[unit] == NULL)) 1211 return(ENXIO); 1212 1213 bktr = bktr_cd.cd_devs[unit]; 1214 1215 if (!(bktr->flags & METEOR_INITALIZED)) /* device not found */ 1216 return(ENXIO); 1217 1218 switch (FUNCTION(dev)) { 1219 case VIDEO_DEV: 1220 return(video_open(bktr)); 1221 case TUNER_DEV: 1222 return(tuner_open(bktr)); 1223 case VBI_DEV: 1224 return(vbi_open(bktr)); 1225 } 1226 1227 return(ENXIO); 1228 } 1229 1230 1231 /* 1232 * 1233 */ 1234 int 1235 bktr_close(dev_t dev, int flags, int fmt, struct thread *td) 1236 { 1237 bktr_ptr_t bktr; 1238 int unit; 1239 1240 unit = UNIT(dev); 1241 1242 bktr = bktr_cd.cd_devs[unit]; 1243 1244 switch (FUNCTION(dev)) { 1245 case VIDEO_DEV: 1246 return(video_close(bktr)); 1247 case TUNER_DEV: 1248 return(tuner_close(bktr)); 1249 case VBI_DEV: 1250 return(vbi_close(bktr)); 1251 } 1252 1253 return(ENXIO); 1254 } 1255 1256 /* 1257 * 1258 */ 1259 int 1260 bktr_read(dev_t dev, struct uio *uio, int ioflag) 1261 { 1262 bktr_ptr_t bktr; 1263 int unit; 1264 1265 unit = UNIT(dev); 1266 1267 bktr = bktr_cd.cd_devs[unit]; 1268 1269 switch (FUNCTION(dev)) { 1270 case VIDEO_DEV: 1271 return(video_read(bktr, unit, dev, uio)); 1272 case VBI_DEV: 1273 return(vbi_read(bktr, uio, ioflag)); 1274 } 1275 1276 return(ENXIO); 1277 } 1278 1279 1280 /* 1281 * 1282 */ 1283 int 1284 bktr_write(dev_t dev, struct uio *uio, int ioflag) 1285 { 1286 /* operation not supported */ 1287 return(EOPNOTSUPP); 1288 } 1289 1290 /* 1291 * 1292 */ 1293 int 1294 bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct thread *td) 1295 { 1296 bktr_ptr_t bktr; 1297 int unit; 1298 1299 unit = UNIT(dev); 1300 1301 bktr = bktr_cd.cd_devs[unit]; 1302 1303 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ 1304 return(ENOMEM); 1305 1306 switch (FUNCTION(dev)) { 1307 case VIDEO_DEV: 1308 return(video_ioctl(bktr, unit, cmd, arg, pr)); 1309 case TUNER_DEV: 1310 return(tuner_ioctl(bktr, unit, cmd, arg, pr)); 1311 } 1312 1313 return(ENXIO); 1314 } 1315 1316 /* 1317 * 1318 */ 1319 paddr_t 1320 bktr_mmap(dev_t dev, off_t offset, int nprot) 1321 { 1322 int unit; 1323 bktr_ptr_t bktr; 1324 1325 unit = UNIT(dev); 1326 1327 if (FUNCTION(dev) > 0) /* only allow mmap on /dev/bktr[n] */ 1328 return(-1); 1329 1330 bktr = bktr_cd.cd_devs[unit]; 1331 1332 if ((vaddr_t)offset < 0) 1333 return(-1); 1334 1335 if ((vaddr_t)offset >= bktr->alloc_pages * PAGE_SIZE) 1336 return(-1); 1337 1338 #ifdef __NetBSD__ 1339 return (bus_dmamem_mmap(bktr->dmat, bktr->dm_mem->dm_segs, 1, 1340 (vaddr_t)offset, nprot, BUS_DMA_WAITOK)); 1341 #else 1342 return(i386_btop(vtophys(bktr->bigbuf) + offset)); 1343 #endif 1344 } 1345 1346 #endif /* __NetBSD__ || __OpenBSD__ */ 1347