| 1 | /* $SourceForge: bktr_os.c,v 1.5 2003/03/11 23:11:25 thomasklausner Exp $ */ |
| 2 | |
| 3 | /* $NetBSD: bktr_os.c,v 1.67 2016/07/14 10:19:06 msaitoh Exp $ */ |
| 4 | /* $FreeBSD: src/sys/dev/bktr/bktr_os.c,v 1.20 2000/10/20 08:16:53 roger Exp$ */ |
| 5 | |
| 6 | /* |
| 7 | * This is part of the Driver for Video Capture Cards (Frame grabbers) |
| 8 | * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879 |
| 9 | * chipset. |
| 10 | * Copyright Roger Hardiman and Amancio Hasty. |
| 11 | * |
| 12 | * bktr_os : This has all the Operating System dependent code, |
| 13 | * probe/attach and open/close/ioctl/read/mmap |
| 14 | * memory allocation |
| 15 | * PCI bus interfacing |
| 16 | * |
| 17 | * |
| 18 | */ |
| 19 | |
| 20 | /* |
| 21 | * 1. Redistributions of source code must retain the |
| 22 | * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman |
| 23 | * All rights reserved. |
| 24 | * |
| 25 | * Redistribution and use in source and binary forms, with or without |
| 26 | * modification, are permitted provided that the following conditions |
| 27 | * are met: |
| 28 | * 1. Redistributions of source code must retain the above copyright |
| 29 | * notice, this list of conditions and the following disclaimer. |
| 30 | * 2. Redistributions in binary form must reproduce the above copyright |
| 31 | * notice, this list of conditions and the following disclaimer in the |
| 32 | * documentation and/or other materials provided with the distribution. |
| 33 | * 3. All advertising materials mentioning features or use of this software |
| 34 | * must display the following acknowledgement: |
| 35 | * This product includes software developed by Amancio Hasty and |
| 36 | * Roger Hardiman |
| 37 | * 4. The name of the author may not be used to endorse or promote products |
| 38 | * derived from this software without specific prior written permission. |
| 39 | * |
| 40 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 41 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 42 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 43 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, |
| 44 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 45 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| 46 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 48 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
| 49 | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 50 | * POSSIBILITY OF SUCH DAMAGE. |
| 51 | */ |
| 52 | |
| 53 | #include <sys/cdefs.h> |
| 54 | __KERNEL_RCSID(0, "$NetBSD: bktr_os.c,v 1.67 2016/07/14 10:19:06 msaitoh Exp $" ); |
| 55 | |
| 56 | #ifdef __FreeBSD__ |
| 57 | #include "bktr.h" |
| 58 | #endif /* __FreeBSD__ */ |
| 59 | |
| 60 | #include "opt_bktr.h" /* include any kernel config options */ |
| 61 | |
| 62 | #define FIFO_RISC_DISABLED 0 |
| 63 | #define ALL_INTS_DISABLED 0 |
| 64 | |
| 65 | /*******************/ |
| 66 | /* *** FreeBSD *** */ |
| 67 | /*******************/ |
| 68 | #ifdef __FreeBSD__ |
| 69 | |
| 70 | #include <sys/param.h> |
| 71 | #include <sys/systm.h> |
| 72 | #include <sys/conf.h> |
| 73 | #include <sys/uio.h> |
| 74 | #include <sys/kernel.h> |
| 75 | #include <sys/signalvar.h> |
| 76 | #include <sys/mman.h> |
| 77 | #include <sys/poll.h> |
| 78 | #include <sys/select.h> |
| 79 | #include <sys/vnode.h> |
| 80 | |
| 81 | #include <vm/vm.h> |
| 82 | #include <vm/vm_kern.h> |
| 83 | #include <vm/pmap.h> |
| 84 | #include <vm/vm_extern.h> |
| 85 | |
| 86 | #if (__FreeBSD_version >=400000) || (NSMBUS > 0) |
| 87 | #include <sys/bus.h> /* used by smbus and newbus */ |
| 88 | #endif |
| 89 | |
| 90 | #if (__FreeBSD_version >=300000) |
| 91 | #include <machine/bus_memio.h> /* used by bus space */ |
| 92 | #include <sys/bus.h> /* used by bus space and newbus */ |
| 93 | #include <sys/bus.h> |
| 94 | #endif |
| 95 | |
| 96 | #if (__FreeBSD_version >=400000) |
| 97 | #include <sys/rman.h> /* used by newbus */ |
| 98 | #include <machine/resource.h> /* used by newbus */ |
| 99 | #endif |
| 100 | |
| 101 | #if (__FreeBSD_version < 500000) |
| 102 | #include <machine/clock.h> /* for DELAY */ |
| 103 | #endif |
| 104 | |
| 105 | #include <pci/pcivar.h> |
| 106 | #include <pci/pcireg.h> |
| 107 | |
| 108 | #include <sys/sysctl.h> |
| 109 | int bt848_card = -1; |
| 110 | int bt848_tuner = -1; |
| 111 | int bt848_reverse_mute = -1; |
| 112 | int bt848_format = -1; |
| 113 | int bt848_slow_msp_audio = -1; |
| 114 | |
| 115 | SYSCTL_NODE(_hw, OID_AUTO, bt848, CTLFLAG_RW, 0, "Bt848 Driver mgmt" ); |
| 116 | SYSCTL_INT(_hw_bt848, OID_AUTO, card, CTLFLAG_RW, &bt848_card, -1, "" ); |
| 117 | SYSCTL_INT(_hw_bt848, OID_AUTO, tuner, CTLFLAG_RW, &bt848_tuner, -1, "" ); |
| 118 | SYSCTL_INT(_hw_bt848, OID_AUTO, reverse_mute, CTLFLAG_RW, &bt848_reverse_mute, -1, "" ); |
| 119 | SYSCTL_INT(_hw_bt848, OID_AUTO, format, CTLFLAG_RW, &bt848_format, -1, "" ); |
| 120 | SYSCTL_INT(_hw_bt848, OID_AUTO, slow_msp_audio, CTLFLAG_RW, &bt848_slow_msp_audio, -1, "" ); |
| 121 | |
| 122 | #if (__FreeBSD__ == 2) |
| 123 | #define PCIR_REVID PCI_CLASS_REG |
| 124 | #endif |
| 125 | |
| 126 | #endif /* end freebsd section */ |
| 127 | |
| 128 | |
| 129 | |
| 130 | /****************/ |
| 131 | /* *** BSDI *** */ |
| 132 | /****************/ |
| 133 | #ifdef __bsdi__ |
| 134 | #endif /* __bsdi__ */ |
| 135 | |
| 136 | |
| 137 | /**************************/ |
| 138 | /* *** OpenBSD/NetBSD *** */ |
| 139 | /**************************/ |
| 140 | #if defined(__NetBSD__) || defined(__OpenBSD__) |
| 141 | |
| 142 | #include <sys/param.h> |
| 143 | #include <sys/systm.h> |
| 144 | #include <sys/conf.h> |
| 145 | #include <sys/uio.h> |
| 146 | #include <sys/kernel.h> |
| 147 | #include <sys/signalvar.h> |
| 148 | #include <sys/mman.h> |
| 149 | #include <sys/poll.h> |
| 150 | #include <sys/select.h> |
| 151 | #include <sys/vnode.h> |
| 152 | |
| 153 | #ifndef __NetBSD__ |
| 154 | #include <vm/vm.h> |
| 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 |
| 167 | int bktr_debug = 0; |
| 168 | #define DPR(x) (bktr_debug ? printf x : (void)0) |
| 169 | #else |
| 170 | #define DPR(x) |
| 171 | #endif |
| 172 | #endif /* __NetBSD__ || __OpenBSD__ */ |
| 173 | |
| 174 | #ifdef __NetBSD__ |
| 175 | dev_type_open(bktr_open); |
| 176 | dev_type_close(bktr_close); |
| 177 | dev_type_read(bktr_read); |
| 178 | dev_type_write(bktr_write); |
| 179 | dev_type_ioctl(bktr_ioctl); |
| 180 | dev_type_mmap(bktr_mmap); |
| 181 | |
| 182 | const struct cdevsw bktr_cdevsw = { |
| 183 | .d_open = bktr_open, |
| 184 | .d_close = bktr_close, |
| 185 | .d_read = bktr_read, |
| 186 | .d_write = bktr_write, |
| 187 | .d_ioctl = bktr_ioctl, |
| 188 | .d_stop = nostop, |
| 189 | .d_tty = notty, |
| 190 | .d_poll = nopoll, |
| 191 | .d_mmap = bktr_mmap, |
| 192 | .d_kqfilter = nokqfilter, |
| 193 | .d_discard = nodiscard, |
| 194 | .d_flag = D_OTHER |
| 195 | }; |
| 196 | #endif /* __NetBSD __ */ |
| 197 | |
| 198 | #ifdef __NetBSD__ |
| 199 | #include <dev/ic/bt8xx.h> /* NetBSD location for .h files */ |
| 200 | #include <dev/pci/bktr/bktr_reg.h> |
| 201 | #include <dev/pci/bktr/bktr_tuner.h> |
| 202 | #include <dev/pci/bktr/bktr_card.h> |
| 203 | #include <dev/pci/bktr/bktr_audio.h> |
| 204 | #include <dev/pci/bktr/bktr_core.h> |
| 205 | #include <dev/pci/bktr/bktr_os.h> |
| 206 | #else /* Traditional location for .h files */ |
| 207 | #include <machine/ioctl_meteor.h> |
| 208 | #include <machine/ioctl_bt848.h> /* extensions to ioctl_meteor.h */ |
| 209 | #include <dev/bktr/bktr_reg.h> |
| 210 | #include <dev/bktr/bktr_tuner.h> |
| 211 | #include <dev/bktr/bktr_card.h> |
| 212 | #include <dev/bktr/bktr_audio.h> |
| 213 | #include <dev/bktr/bktr_core.h> |
| 214 | #include <dev/bktr/bktr_os.h> |
| 215 | #if defined(BKTR_USE_FREEBSD_SMBUS) |
| 216 | #include <dev/bktr/bktr_i2c.h> |
| 217 | #endif |
| 218 | #endif |
| 219 | |
| 220 | /* Support for radio(4) under NetBSD */ |
| 221 | #ifdef __NetBSD__ |
| 222 | #include "radio.h" |
| 223 | #if NRADIO > 0 |
| 224 | #include <sys/radioio.h> |
| 225 | #include <dev/radio_if.h> |
| 226 | #endif |
| 227 | #else |
| 228 | #define NRADIO 0 |
| 229 | #endif |
| 230 | |
| 231 | /****************************/ |
| 232 | /* *** FreeBSD 4.x code *** */ |
| 233 | /****************************/ |
| 234 | #if (__FreeBSD_version >= 400000) |
| 235 | |
| 236 | static int bktr_probe(device_t dev); |
| 237 | static int bktr_attach(device_t dev); |
| 238 | static int bktr_detach(device_t dev); |
| 239 | static int bktr_shutdown(device_t dev); |
| 240 | static void bktr_intr(void *arg) { common_bktr_intr(arg); } |
| 241 | |
| 242 | static device_method_t bktr_methods[] = { |
| 243 | /* Device interface */ |
| 244 | DEVMETHOD(device_probe, bktr_probe), |
| 245 | DEVMETHOD(device_attach, bktr_attach), |
| 246 | DEVMETHOD(device_detach, bktr_detach), |
| 247 | DEVMETHOD(device_shutdown, bktr_shutdown), |
| 248 | |
| 249 | { 0, 0 } |
| 250 | }; |
| 251 | |
| 252 | static driver_t bktr_driver = { |
| 253 | "bktr" , |
| 254 | bktr_methods, |
| 255 | sizeof(struct bktr_softc), |
| 256 | }; |
| 257 | |
| 258 | static devclass_t bktr_devclass; |
| 259 | |
| 260 | static d_open_t bktr_open; |
| 261 | static d_close_t bktr_close; |
| 262 | static d_read_t bktr_read; |
| 263 | static d_write_t bktr_write; |
| 264 | static d_ioctl_t bktr_ioctl; |
| 265 | static d_mmap_t bktr_mmap; |
| 266 | static d_poll_t bktr_poll; |
| 267 | |
| 268 | #define CDEV_MAJOR 92 |
| 269 | static struct cdevsw bktr_cdevsw = { |
| 270 | /* open */ bktr_open, |
| 271 | /* close */ bktr_close, |
| 272 | /* read */ bktr_read, |
| 273 | /* write */ bktr_write, |
| 274 | /* ioctl */ bktr_ioctl, |
| 275 | /* poll */ bktr_poll, |
| 276 | /* mmap */ bktr_mmap, |
| 277 | /* strategy */ nostrategy, |
| 278 | /* name */ "bktr" , |
| 279 | /* maj */ CDEV_MAJOR, |
| 280 | /* dump */ nodump, |
| 281 | /* psize */ nopsize, |
| 282 | /* flags */ 0, |
| 283 | /* bmaj */ -1 |
| 284 | }; |
| 285 | |
| 286 | DRIVER_MODULE(bktr, pci, bktr_driver, bktr_devclass, 0, 0); |
| 287 | #if (__FreeBSD_version > 410000) |
| 288 | MODULE_DEPEND(bktr, bktr_mem, 1,1,1); |
| 289 | MODULE_VERSION(bktr, 1); |
| 290 | #endif |
| 291 | |
| 292 | |
| 293 | /* |
| 294 | * the boot time probe routine. |
| 295 | */ |
| 296 | static int |
| 297 | bktr_probe(device_t dev) |
| 298 | { |
| 299 | unsigned int type = pci_get_devid(dev); |
| 300 | unsigned int rev = pci_get_revid(dev); |
| 301 | |
| 302 | if (PCI_VENDOR(type) == PCI_VENDOR_BROOKTREE) |
| 303 | { |
| 304 | switch (PCI_PRODUCT(type)) { |
| 305 | case PCI_PRODUCT_BROOKTREE_BT848: |
| 306 | if (rev == 0x12) |
| 307 | device_set_desc(dev, "BrookTree 848A" ); |
| 308 | else |
| 309 | device_set_desc(dev, "BrookTree 848" ); |
| 310 | return 0; |
| 311 | case PCI_PRODUCT_BROOKTREE_BT849: |
| 312 | device_set_desc(dev, "BrookTree 849A" ); |
| 313 | return 0; |
| 314 | case PCI_PRODUCT_BROOKTREE_BT878: |
| 315 | device_set_desc(dev, "BrookTree 878" ); |
| 316 | return 0; |
| 317 | case PCI_PRODUCT_BROOKTREE_BT879: |
| 318 | device_set_desc(dev, "BrookTree 879" ); |
| 319 | return 0; |
| 320 | } |
| 321 | } |
| 322 | |
| 323 | return ENXIO; |
| 324 | } |
| 325 | |
| 326 | |
| 327 | /* |
| 328 | * the attach routine. |
| 329 | */ |
| 330 | static int |
| 331 | bktr_attach(device_t dev) |
| 332 | { |
| 333 | u_int latency; |
| 334 | u_int fun; |
| 335 | u_int val; |
| 336 | unsigned int rev; |
| 337 | unsigned int unit; |
| 338 | int error = 0; |
| 339 | #ifdef BROOKTREE_IRQ |
| 340 | u_int old_irq, new_irq; |
| 341 | #endif |
| 342 | |
| 343 | struct bktr_softc *bktr = device_get_softc(dev); |
| 344 | |
| 345 | unit = device_get_unit(dev); |
| 346 | |
| 347 | /* build the device name for bktr_name() */ |
| 348 | snprintf(bktr->bktr_xname, sizeof(bktr->bktr_xname), "bktr%d" ,unit); |
| 349 | |
| 350 | /* |
| 351 | * Enable bus mastering and Memory Mapped device |
| 352 | */ |
| 353 | val = pci_read_config(dev, PCIR_COMMAND, 4); |
| 354 | val |= (PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN); |
| 355 | pci_write_config(dev, PCIR_COMMAND, val, 4); |
| 356 | |
| 357 | /* |
| 358 | * Map control/status registers. |
| 359 | */ |
| 360 | bktr->mem_rid = PCIR_MAPS; |
| 361 | bktr->res_mem = bus_alloc_resource(dev, SYS_RES_MEMORY, &bktr->mem_rid, |
| 362 | 0, ~0, 1, RF_ACTIVE); |
| 363 | |
| 364 | |
| 365 | if (!bktr->res_mem) { |
| 366 | device_printf(dev, "could not map memory\n" ); |
| 367 | error = ENXIO; |
| 368 | goto fail; |
| 369 | } |
| 370 | bktr->memt = rman_get_bustag(bktr->res_mem); |
| 371 | bktr->memh = rman_get_bushandle(bktr->res_mem); |
| 372 | |
| 373 | |
| 374 | /* |
| 375 | * Disable the brooktree device |
| 376 | */ |
| 377 | OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); |
| 378 | OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); |
| 379 | |
| 380 | |
| 381 | #ifdef BROOKTREE_IRQ /* from the configuration file */ |
| 382 | old_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); |
| 383 | pci_conf_write(tag, PCI_INTERRUPT_REG, BROOKTREE_IRQ); |
| 384 | new_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); |
| 385 | printf("bktr%d: attach: irq changed from %d to %d\n" , |
| 386 | unit, (old_irq & 0xff), (new_irq & 0xff)); |
| 387 | #endif |
| 388 | |
| 389 | /* |
| 390 | * Allocate our interrupt. |
| 391 | */ |
| 392 | bktr->irq_rid = 0; |
| 393 | bktr->res_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &bktr->irq_rid, |
| 394 | 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE); |
| 395 | if (bktr->res_irq == NULL) { |
| 396 | device_printf(dev, "could not map interrupt\n" ); |
| 397 | error = ENXIO; |
| 398 | goto fail; |
| 399 | } |
| 400 | |
| 401 | error = bus_setup_intr(dev, bktr->res_irq, INTR_TYPE_TTY, |
| 402 | bktr_intr, bktr, &bktr->res_ih); |
| 403 | if (error) { |
| 404 | device_printf(dev, "could not setup irq\n" ); |
| 405 | goto fail; |
| 406 | |
| 407 | } |
| 408 | |
| 409 | |
| 410 | /* Update the Device Control Register */ |
| 411 | /* on Bt878 and Bt879 cards */ |
| 412 | fun = pci_read_config(dev, 0x40, 2); |
| 413 | fun = fun | 1; /* Enable writes to the sub-system vendor ID */ |
| 414 | |
| 415 | #if defined(BKTR_430_FX_MODE) |
| 416 | if (bootverbose) printf("Using 430 FX chipset compatibility mode\n" ); |
| 417 | fun = fun | 2; /* Enable Intel 430 FX compatibility mode */ |
| 418 | #endif |
| 419 | |
| 420 | #if defined(BKTR_SIS_VIA_MODE) |
| 421 | if (bootverbose) printf("Using SiS/VIA chipset compatibility mode\n" ); |
| 422 | fun = fun | 4; /* Enable SiS/VIA compatibility mode (useful for |
| 423 | OPTi chipset motherboards too */ |
| 424 | #endif |
| 425 | pci_write_config(dev, 0x40, fun, 2); |
| 426 | |
| 427 | |
| 428 | /* XXX call bt848_i2c dependent attach() routine */ |
| 429 | #if defined(BKTR_USE_FREEBSD_SMBUS) |
| 430 | if (bt848_i2c_attach(unit, bktr, &bktr->i2c_sc)) |
| 431 | printf("bktr%d: i2c_attach: can't attach\n" , unit); |
| 432 | #endif |
| 433 | |
| 434 | |
| 435 | /* |
| 436 | * PCI latency timer. 32 is a good value for 4 bus mastering slots, if |
| 437 | * you have more than four, then 16 would probably be a better value. |
| 438 | */ |
| 439 | #ifndef BROOKTREE_DEF_LATENCY_VALUE |
| 440 | #define BROOKTREE_DEF_LATENCY_VALUE 10 |
| 441 | #endif |
| 442 | latency = pci_read_config(dev, PCI_LATENCY_TIMER, 4); |
| 443 | latency = (latency >> 8) & 0xff; |
| 444 | if (bootverbose) { |
| 445 | if (latency) |
| 446 | printf("brooktree%d: PCI bus latency is" , unit); |
| 447 | else |
| 448 | printf("brooktree%d: PCI bus latency was 0 changing to" , |
| 449 | unit); |
| 450 | } |
| 451 | if (!latency) { |
| 452 | latency = BROOKTREE_DEF_LATENCY_VALUE; |
| 453 | pci_write_config(dev, PCI_LATENCY_TIMER, latency<<8, 4); |
| 454 | } |
| 455 | if (bootverbose) { |
| 456 | printf(" %d.\n" , (int) latency); |
| 457 | } |
| 458 | |
| 459 | /* read the pci device id and revision id */ |
| 460 | fun = pci_get_devid(dev); |
| 461 | rev = pci_get_revid(dev); |
| 462 | |
| 463 | /* call the common attach code */ |
| 464 | if (common_bktr_attach(bktr, unit, fun, rev) == 0) |
| 465 | return; |
| 466 | |
| 467 | /* make the device entries */ |
| 468 | bktr->bktrdev = make_dev(&bktr_cdevsw, unit, |
| 469 | 0, 0, 0444, "bktr%d" , unit); |
| 470 | bktr->tunerdev= make_dev(&bktr_cdevsw, unit+16, |
| 471 | 0, 0, 0444, "tuner%d" , unit); |
| 472 | bktr->vbidev = make_dev(&bktr_cdevsw, unit+32, |
| 473 | 0, 0, 0444, "vbi%d" , unit); |
| 474 | |
| 475 | |
| 476 | /* if this is unit 0 (/dev/bktr0, /dev/tuner0, /dev/vbi0) then make */ |
| 477 | /* alias entries to /dev/bktr /dev/tuner and /dev/vbi */ |
| 478 | #if (__FreeBSD_version >=500000) |
| 479 | if (unit == 0) { |
| 480 | bktr->bktrdev_alias = make_dev_alias(bktr->bktrdev, "bktr" ); |
| 481 | bktr->tunerdev_alias= make_dev_alias(bktr->tunerdev, "tuner" ); |
| 482 | bktr->vbidev_alias = make_dev_alias(bktr->vbidev, "vbi" ); |
| 483 | } |
| 484 | #endif |
| 485 | |
| 486 | return 0; |
| 487 | |
| 488 | fail: |
| 489 | if (bktr->res_irq) |
| 490 | bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq); |
| 491 | if (bktr->res_mem) |
| 492 | bus_release_resource(dev, SYS_RES_IRQ, bktr->mem_rid, bktr->res_mem); |
| 493 | return error; |
| 494 | |
| 495 | } |
| 496 | |
| 497 | /* |
| 498 | * the detach routine. |
| 499 | */ |
| 500 | static int |
| 501 | bktr_detach(device_t dev) |
| 502 | { |
| 503 | unsigned int unit; |
| 504 | |
| 505 | struct bktr_softc *bktr = device_get_softc(dev); |
| 506 | |
| 507 | unit = device_get_unit(dev); |
| 508 | |
| 509 | /* Disable the brooktree device */ |
| 510 | OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); |
| 511 | OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); |
| 512 | |
| 513 | /* Note: We do not free memory for RISC programs, grab buffer, vbi buffers */ |
| 514 | /* The memory is retained by the bktr_mem module so we can unload and */ |
| 515 | /* then reload the main bktr driver module */ |
| 516 | |
| 517 | /* Unregister the /dev/bktrN, tunerN and vbiN devices */ |
| 518 | destroy_dev(bktr->vbidev); |
| 519 | destroy_dev(bktr->tunerdev); |
| 520 | destroy_dev(bktr->bktrdev); |
| 521 | |
| 522 | /* If this is unit 0, then destroy the alias entries too */ |
| 523 | #if (__FreeBSD_version >=500000) |
| 524 | if (unit == 0) { |
| 525 | destroy_dev(bktr->vbidev_alias); |
| 526 | destroy_dev(bktr->tunerdev_alias); |
| 527 | destroy_dev(bktr->bktrdev_alias); |
| 528 | } |
| 529 | #endif |
| 530 | seldestroy(&bktr->vbi_select); |
| 531 | |
| 532 | /* |
| 533 | * Deallocate resources. |
| 534 | */ |
| 535 | bus_teardown_intr(dev, bktr->res_irq, bktr->res_ih); |
| 536 | bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq); |
| 537 | bus_release_resource(dev, SYS_RES_MEMORY, bktr->mem_rid, bktr->res_mem); |
| 538 | |
| 539 | return 0; |
| 540 | } |
| 541 | |
| 542 | /* |
| 543 | * the shutdown routine. |
| 544 | */ |
| 545 | static int |
| 546 | bktr_shutdown(device_t dev) |
| 547 | { |
| 548 | struct bktr_softc *bktr = device_get_softc(dev); |
| 549 | |
| 550 | /* Disable the brooktree device */ |
| 551 | OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); |
| 552 | OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); |
| 553 | |
| 554 | return 0; |
| 555 | } |
| 556 | |
| 557 | |
| 558 | /* |
| 559 | * Special Memory Allocation |
| 560 | */ |
| 561 | vm_offset_t |
| 562 | get_bktr_mem(int unit, unsigned size) |
| 563 | { |
| 564 | vm_offset_t addr = 0; |
| 565 | |
| 566 | addr = vm_page_alloc_contig(size, 0, 0xffffffff, 1<<24); |
| 567 | if (addr == 0) |
| 568 | addr = vm_page_alloc_contig(size, 0, 0xffffffff, PAGE_SIZE); |
| 569 | if (addr == 0) { |
| 570 | printf("bktr%d: Unable to allocate %d bytes of memory.\n" , |
| 571 | unit, size); |
| 572 | } |
| 573 | |
| 574 | return(addr); |
| 575 | } |
| 576 | |
| 577 | |
| 578 | /*--------------------------------------------------------- |
| 579 | ** |
| 580 | ** BrookTree 848 character device driver routines |
| 581 | ** |
| 582 | **--------------------------------------------------------- |
| 583 | */ |
| 584 | |
| 585 | #define VIDEO_DEV 0x00 |
| 586 | #define TUNER_DEV 0x01 |
| 587 | #define VBI_DEV 0x02 |
| 588 | |
| 589 | #define UNIT(x) ((x) & 0x0f) |
| 590 | #define FUNCTION(x) (x >> 4) |
| 591 | |
| 592 | /* |
| 593 | * |
| 594 | */ |
| 595 | int |
| 596 | bktr_open(dev_t dev, int flags, int fmt, struct lwp *l) |
| 597 | { |
| 598 | bktr_ptr_t bktr; |
| 599 | int unit; |
| 600 | int result; |
| 601 | |
| 602 | unit = UNIT(minor(dev)); |
| 603 | |
| 604 | /* Get the device data */ |
| 605 | bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); |
| 606 | if (bktr == NULL) { |
| 607 | /* the device is no longer valid/functioning */ |
| 608 | return (ENXIO); |
| 609 | } |
| 610 | |
| 611 | if (!(bktr->flags & METEOR_INITIALIZED)) /* device not found */ |
| 612 | return(ENXIO); |
| 613 | |
| 614 | /* Record that the device is now busy */ |
| 615 | device_busy(devclass_get_device(bktr_devclass, unit)); |
| 616 | |
| 617 | |
| 618 | if (bt848_card != -1) { |
| 619 | if ((bt848_card >> 8 == unit) && |
| 620 | ((bt848_card & 0xff) < Bt848_MAX_CARD)) { |
| 621 | if (bktr->bt848_card != (bt848_card & 0xff)) { |
| 622 | bktr->bt848_card = (bt848_card & 0xff); |
| 623 | probeCard(bktr, FALSE, unit); |
| 624 | } |
| 625 | } |
| 626 | } |
| 627 | |
| 628 | if (bt848_tuner != -1) { |
| 629 | if ((bt848_tuner >> 8 == unit) && |
| 630 | ((bt848_tuner & 0xff) < Bt848_MAX_TUNER)) { |
| 631 | if (bktr->bt848_tuner != (bt848_tuner & 0xff)) { |
| 632 | bktr->bt848_tuner = (bt848_tuner & 0xff); |
| 633 | probeCard(bktr, FALSE, unit); |
| 634 | } |
| 635 | } |
| 636 | } |
| 637 | |
| 638 | if (bt848_reverse_mute != -1) { |
| 639 | if ((bt848_reverse_mute >> 8) == unit) { |
| 640 | bktr->reverse_mute = bt848_reverse_mute & 0xff; |
| 641 | } |
| 642 | } |
| 643 | |
| 644 | if (bt848_slow_msp_audio != -1) { |
| 645 | if ((bt848_slow_msp_audio >> 8) == unit) { |
| 646 | bktr->slow_msp_audio = (bt848_slow_msp_audio & 0xff); |
| 647 | } |
| 648 | } |
| 649 | |
| 650 | switch (FUNCTION(minor(dev))) { |
| 651 | case VIDEO_DEV: |
| 652 | result = video_open(bktr); |
| 653 | break; |
| 654 | case TUNER_DEV: |
| 655 | result = tuner_open(bktr); |
| 656 | break; |
| 657 | case VBI_DEV: |
| 658 | result = vbi_open(bktr); |
| 659 | break; |
| 660 | default: |
| 661 | result = ENXIO; |
| 662 | break; |
| 663 | } |
| 664 | |
| 665 | /* If there was an error opening the device, undo the busy status */ |
| 666 | if (result != 0) |
| 667 | device_unbusy(devclass_get_device(bktr_devclass, unit)); |
| 668 | return(result); |
| 669 | } |
| 670 | |
| 671 | |
| 672 | /* |
| 673 | * |
| 674 | */ |
| 675 | int |
| 676 | bktr_close(dev_t dev, int flags, int fmt, struct lwp *l) |
| 677 | { |
| 678 | bktr_ptr_t bktr; |
| 679 | int unit; |
| 680 | int result; |
| 681 | |
| 682 | unit = UNIT(minor(dev)); |
| 683 | |
| 684 | /* Get the device data */ |
| 685 | bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); |
| 686 | if (bktr == NULL) { |
| 687 | /* the device is no longer valid/functioning */ |
| 688 | return (ENXIO); |
| 689 | } |
| 690 | |
| 691 | switch (FUNCTION(minor(dev))) { |
| 692 | case VIDEO_DEV: |
| 693 | result = video_close(bktr); |
| 694 | break; |
| 695 | case TUNER_DEV: |
| 696 | result = tuner_close(bktr); |
| 697 | break; |
| 698 | case VBI_DEV: |
| 699 | result = vbi_close(bktr); |
| 700 | break; |
| 701 | default: |
| 702 | return (ENXIO); |
| 703 | break; |
| 704 | } |
| 705 | |
| 706 | device_unbusy(devclass_get_device(bktr_devclass, unit)); |
| 707 | return(result); |
| 708 | } |
| 709 | |
| 710 | |
| 711 | /* |
| 712 | * |
| 713 | */ |
| 714 | int |
| 715 | bktr_read(dev_t dev, struct uio *uio, int ioflag) |
| 716 | { |
| 717 | bktr_ptr_t bktr; |
| 718 | int unit; |
| 719 | |
| 720 | unit = UNIT(minor(dev)); |
| 721 | |
| 722 | /* Get the device data */ |
| 723 | bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); |
| 724 | if (bktr == NULL) { |
| 725 | /* the device is no longer valid/functioning */ |
| 726 | return (ENXIO); |
| 727 | } |
| 728 | |
| 729 | switch (FUNCTION(minor(dev))) { |
| 730 | case VIDEO_DEV: |
| 731 | return(video_read(bktr, unit, dev, uio)); |
| 732 | case VBI_DEV: |
| 733 | return(vbi_read(bktr, uio, ioflag)); |
| 734 | } |
| 735 | return(ENXIO); |
| 736 | } |
| 737 | |
| 738 | |
| 739 | /* |
| 740 | * |
| 741 | */ |
| 742 | int |
| 743 | bktr_write(dev_t dev, struct uio *uio, int ioflag) |
| 744 | { |
| 745 | return(EINVAL); /* XXX or ENXIO ? */ |
| 746 | } |
| 747 | |
| 748 | |
| 749 | /* |
| 750 | * |
| 751 | */ |
| 752 | int |
| 753 | bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, void *arg, int flag, struct proc* pr) |
| 754 | { |
| 755 | bktr_ptr_t bktr; |
| 756 | int unit; |
| 757 | |
| 758 | unit = UNIT(minor(dev)); |
| 759 | |
| 760 | /* Get the device data */ |
| 761 | bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); |
| 762 | if (bktr == NULL) { |
| 763 | /* the device is no longer valid/functioning */ |
| 764 | return (ENXIO); |
| 765 | } |
| 766 | |
| 767 | if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ |
| 768 | return(ENOMEM); |
| 769 | |
| 770 | switch (FUNCTION(minor(dev))) { |
| 771 | case VIDEO_DEV: |
| 772 | return(video_ioctl(bktr, unit, cmd, arg, pr)); |
| 773 | case TUNER_DEV: |
| 774 | return(tuner_ioctl(bktr, unit, cmd, arg, pr)); |
| 775 | } |
| 776 | |
| 777 | return(ENXIO); |
| 778 | } |
| 779 | |
| 780 | |
| 781 | /* |
| 782 | * |
| 783 | */ |
| 784 | int |
| 785 | bktr_mmap(dev_t dev, vm_offset_t offset, int nprot) |
| 786 | { |
| 787 | int unit; |
| 788 | bktr_ptr_t bktr; |
| 789 | |
| 790 | unit = UNIT(minor(dev)); |
| 791 | |
| 792 | if (FUNCTION(minor(dev)) > 0) /* only allow mmap on /dev/bktr[n] */ |
| 793 | return(-1); |
| 794 | |
| 795 | /* Get the device data */ |
| 796 | bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); |
| 797 | if (bktr == NULL) { |
| 798 | /* the device is no longer valid/functioning */ |
| 799 | return (-1); |
| 800 | } |
| 801 | |
| 802 | if (nprot & PROT_EXEC) |
| 803 | return(-1); |
| 804 | |
| 805 | if (offset < 0) |
| 806 | return(-1); |
| 807 | |
| 808 | if (offset >= bktr->alloc_pages * PAGE_SIZE) |
| 809 | return(-1); |
| 810 | |
| 811 | return(atop(vtophys(bktr->bigbuf) + offset)); |
| 812 | } |
| 813 | |
| 814 | int bktr_poll(dev_t dev, int events, struct lwp *l) |
| 815 | { |
| 816 | int unit; |
| 817 | bktr_ptr_t bktr; |
| 818 | int revents = 0; |
| 819 | DECLARE_INTR_MASK(s); |
| 820 | |
| 821 | unit = UNIT(minor(dev)); |
| 822 | |
| 823 | /* Get the device data */ |
| 824 | bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit); |
| 825 | if (bktr == NULL) { |
| 826 | /* the device is no longer valid/functioning */ |
| 827 | return (ENXIO); |
| 828 | } |
| 829 | |
| 830 | DISABLE_INTR(s); |
| 831 | |
| 832 | if (events & (POLLIN | POLLRDNORM)) { |
| 833 | |
| 834 | switch (FUNCTION(minor(dev))) { |
| 835 | case VBI_DEV: |
| 836 | if(bktr->vbisize == 0) |
| 837 | selrecord(p, &bktr->vbi_select); |
| 838 | else |
| 839 | revents |= events & (POLLIN | POLLRDNORM); |
| 840 | break; |
| 841 | } |
| 842 | } |
| 843 | |
| 844 | ENABLE_INTR(s); |
| 845 | |
| 846 | return (revents); |
| 847 | } |
| 848 | |
| 849 | #endif /* FreeBSD 4.x specific kernel interface routines */ |
| 850 | |
| 851 | /**********************************/ |
| 852 | /* *** FreeBSD 2.2.x and 3.x *** */ |
| 853 | /**********************************/ |
| 854 | |
| 855 | #if ((__FreeBSD__ == 2) || (__FreeBSD__ == 3)) |
| 856 | |
| 857 | static bktr_reg_t brooktree[NBKTR]; |
| 858 | |
| 859 | static const char* bktr_probe(pcici_t tag, pcidi_t type); |
| 860 | static void bktr_attach(pcici_t tag, int unit); |
| 861 | static void bktr_intr(void *arg) { common_bktr_intr(arg); } |
| 862 | |
| 863 | static u_int bktr_count; |
| 864 | |
| 865 | static struct pci_device bktr_device = { |
| 866 | "bktr" , |
| 867 | bktr_probe, |
| 868 | bktr_attach, |
| 869 | &bktr_count |
| 870 | }; |
| 871 | |
| 872 | DATA_SET (pcidevice_set, bktr_device); |
| 873 | |
| 874 | static d_open_t bktr_open; |
| 875 | static d_close_t bktr_close; |
| 876 | static d_read_t bktr_read; |
| 877 | static d_write_t bktr_write; |
| 878 | static d_ioctl_t bktr_ioctl; |
| 879 | static d_mmap_t bktr_mmap; |
| 880 | static d_poll_t bktr_poll; |
| 881 | |
| 882 | #define CDEV_MAJOR 92 |
| 883 | static struct cdevsw bktr_cdevsw = |
| 884 | { |
| 885 | bktr_open, bktr_close, bktr_read, bktr_write, |
| 886 | bktr_ioctl, nostop, nullreset, nodevtotty, |
| 887 | bktr_poll, bktr_mmap, NULL, "bktr" , |
| 888 | NULL, -1 |
| 889 | }; |
| 890 | |
| 891 | static int bktr_devsw_installed; |
| 892 | |
| 893 | static void |
| 894 | bktr_drvinit(void *unused) |
| 895 | { |
| 896 | dev_t dev; |
| 897 | |
| 898 | if (! bktr_devsw_installed) { |
| 899 | dev = makedev(CDEV_MAJOR, 0); |
| 900 | cdevsw_add(&dev,&bktr_cdevsw, NULL); |
| 901 | bktr_devsw_installed = 1; |
| 902 | } |
| 903 | } |
| 904 | |
| 905 | SYSINIT(bktrdev,SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR,bktr_drvinit,NULL) |
| 906 | |
| 907 | /* |
| 908 | * the boot time probe routine. |
| 909 | */ |
| 910 | static const char* |
| 911 | bktr_probe(pcici_t tag, pcidi_t type) |
| 912 | { |
| 913 | unsigned int rev = pci_conf_read(tag, PCIR_REVID) & 0x000000ff; |
| 914 | |
| 915 | if (PCI_VENDOR(type) == PCI_VENDOR_BROOKTREE) |
| 916 | { |
| 917 | switch (PCI_PRODUCT(type)) { |
| 918 | case PCI_PRODUCT_BROOKTREE_BT848: |
| 919 | if (rev == 0x12) return("BrookTree 848A" ); |
| 920 | else return("BrookTree 848" ); |
| 921 | case PCI_PRODUCT_BROOKTREE_BT849: |
| 922 | return("BrookTree 849A" ); |
| 923 | case PCI_PRODUCT_BROOKTREE_BT878: |
| 924 | return("BrookTree 878" ); |
| 925 | case PCI_PRODUCT_BROOKTREE_BT879: |
| 926 | return("BrookTree 879" ); |
| 927 | } |
| 928 | }; |
| 929 | |
| 930 | return ((char *)0); |
| 931 | } |
| 932 | |
| 933 | /* |
| 934 | * the attach routine. |
| 935 | */ |
| 936 | static void |
| 937 | bktr_attach(pcici_t tag, int unit) |
| 938 | { |
| 939 | bktr_ptr_t bktr; |
| 940 | u_int latency; |
| 941 | u_int fun; |
| 942 | unsigned int rev; |
| 943 | unsigned long base; |
| 944 | #ifdef BROOKTREE_IRQ |
| 945 | u_int old_irq, new_irq; |
| 946 | #endif |
| 947 | |
| 948 | bktr = &brooktree[unit]; |
| 949 | |
| 950 | if (unit >= NBKTR) { |
| 951 | printf("brooktree%d: attach: only %d units configured.\n" , |
| 952 | unit, NBKTR); |
| 953 | printf("brooktree%d: attach: invalid unit number.\n" , unit); |
| 954 | return; |
| 955 | } |
| 956 | |
| 957 | /* build the device name for bktr_name() */ |
| 958 | snprintf(bktr->bktr_xname, sizeof(bktr->bktr_xname), "bktr%d" ,unit); |
| 959 | |
| 960 | /* Enable Memory Mapping */ |
| 961 | fun = pci_conf_read(tag, PCI_COMMAND_STATUS_REG); |
| 962 | pci_conf_write(tag, PCI_COMMAND_STATUS_REG, fun | 2); |
| 963 | |
| 964 | /* Enable Bus Mastering */ |
| 965 | fun = pci_conf_read(tag, PCI_COMMAND_STATUS_REG); |
| 966 | pci_conf_write(tag, PCI_COMMAND_STATUS_REG, fun | 4); |
| 967 | |
| 968 | bktr->tag = tag; |
| 969 | |
| 970 | |
| 971 | /* |
| 972 | * Map control/status registers |
| 973 | */ |
| 974 | pci_map_mem(tag, PCI_MAP_REG_START, (vm_offset_t *) &base, |
| 975 | &bktr->phys_base); |
| 976 | #if (__FreeBSD_version >= 300000) |
| 977 | bktr->memt = I386_BUS_SPACE_MEM; /* XXX should use proper bus space */ |
| 978 | bktr->memh = (bus_space_handle_t)base; /* XXX functions here */ |
| 979 | #endif |
| 980 | |
| 981 | /* |
| 982 | * Disable the brooktree device |
| 983 | */ |
| 984 | OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); |
| 985 | OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); |
| 986 | |
| 987 | #ifdef BROOKTREE_IRQ /* from the configuration file */ |
| 988 | old_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); |
| 989 | pci_conf_write(tag, PCI_INTERRUPT_REG, BROOKTREE_IRQ); |
| 990 | new_irq = pci_conf_read(tag, PCI_INTERRUPT_REG); |
| 991 | printf("bktr%d: attach: irq changed from %d to %d\n" , |
| 992 | unit, (old_irq & 0xff), (new_irq & 0xff)); |
| 993 | #endif |
| 994 | |
| 995 | /* |
| 996 | * setup the interrupt handling routine |
| 997 | */ |
| 998 | pci_map_int(tag, bktr_intr, (void*) bktr, &tty_imask); |
| 999 | |
| 1000 | |
| 1001 | /* Update the Device Control Register */ |
| 1002 | /* on Bt878 and Bt879 cards */ |
| 1003 | fun = pci_conf_read(tag, 0x40); |
| 1004 | fun = fun | 1; /* Enable writes to the sub-system vendor ID */ |
| 1005 | |
| 1006 | #if defined(BKTR_430_FX_MODE) |
| 1007 | if (bootverbose) printf("Using 430 FX chipset compatibility mode\n" ); |
| 1008 | fun = fun | 2; /* Enable Intel 430 FX compatibility mode */ |
| 1009 | #endif |
| 1010 | |
| 1011 | #if defined(BKTR_SIS_VIA_MODE) |
| 1012 | if (bootverbose) printf("Using SiS/VIA chipset compatibility mode\n" ); |
| 1013 | fun = fun | 4; /* Enable SiS/VIA compatibility mode (useful for |
| 1014 | OPTi chipset motherboards too */ |
| 1015 | #endif |
| 1016 | pci_conf_write(tag, 0x40, fun); |
| 1017 | |
| 1018 | |
| 1019 | /* XXX call bt848_i2c dependent attach() routine */ |
| 1020 | #if defined(BKTR_USE_FREEBSD_SMBUS) |
| 1021 | if (bt848_i2c_attach(unit, bktr, &bktr->i2c_sc)) |
| 1022 | printf("bktr%d: i2c_attach: can't attach\n" , unit); |
| 1023 | #endif |
| 1024 | |
| 1025 | |
| 1026 | /* |
| 1027 | * PCI latency timer. 32 is a good value for 4 bus mastering slots, if |
| 1028 | * you have more than four, then 16 would probably be a better value. |
| 1029 | */ |
| 1030 | #ifndef BROOKTREE_DEF_LATENCY_VALUE |
| 1031 | #define BROOKTREE_DEF_LATENCY_VALUE 10 |
| 1032 | #endif |
| 1033 | latency = pci_conf_read(tag, PCI_LATENCY_TIMER); |
| 1034 | latency = (latency >> 8) & 0xff; |
| 1035 | if (bootverbose) { |
| 1036 | if (latency) |
| 1037 | printf("brooktree%d: PCI bus latency is" , unit); |
| 1038 | else |
| 1039 | printf("brooktree%d: PCI bus latency was 0 changing to" , |
| 1040 | unit); |
| 1041 | } |
| 1042 | if (!latency) { |
| 1043 | latency = BROOKTREE_DEF_LATENCY_VALUE; |
| 1044 | pci_conf_write(tag, PCI_LATENCY_TIMER, latency<<8); |
| 1045 | } |
| 1046 | if (bootverbose) { |
| 1047 | printf(" %d.\n" , (int) latency); |
| 1048 | } |
| 1049 | |
| 1050 | |
| 1051 | /* read the pci device id and revision id */ |
| 1052 | fun = pci_conf_read(tag, PCI_ID_REG); |
| 1053 | rev = pci_conf_read(tag, PCIR_REVID) & 0x000000ff; |
| 1054 | |
| 1055 | /* call the common attach code */ |
| 1056 | common_bktr_attach(bktr, unit, fun, rev); |
| 1057 | |
| 1058 | } |
| 1059 | |
| 1060 | |
| 1061 | /* |
| 1062 | * Special Memory Allocation |
| 1063 | */ |
| 1064 | vm_offset_t |
| 1065 | get_bktr_mem(int unit, unsigned size) |
| 1066 | { |
| 1067 | vm_offset_t addr = 0; |
| 1068 | |
| 1069 | addr = vm_page_alloc_contig(size, 0x100000, 0xffffffff, 1<<24); |
| 1070 | if (addr == 0) |
| 1071 | addr = vm_page_alloc_contig(size, 0x100000, 0xffffffff, |
| 1072 | PAGE_SIZE); |
| 1073 | if (addr == 0) { |
| 1074 | printf("bktr%d: Unable to allocate %d bytes of memory.\n" , |
| 1075 | unit, size); |
| 1076 | } |
| 1077 | |
| 1078 | return(addr); |
| 1079 | } |
| 1080 | |
| 1081 | /*--------------------------------------------------------- |
| 1082 | ** |
| 1083 | ** BrookTree 848 character device driver routines |
| 1084 | ** |
| 1085 | **--------------------------------------------------------- |
| 1086 | */ |
| 1087 | |
| 1088 | |
| 1089 | #define VIDEO_DEV 0x00 |
| 1090 | #define TUNER_DEV 0x01 |
| 1091 | #define VBI_DEV 0x02 |
| 1092 | |
| 1093 | #define UNIT(x) ((x) & 0x0f) |
| 1094 | #define FUNCTION(x) ((x >> 4) & 0x0f) |
| 1095 | |
| 1096 | |
| 1097 | /* |
| 1098 | * |
| 1099 | */ |
| 1100 | int |
| 1101 | bktr_open(dev_t dev, int flags, int fmt, struct lwp *l) |
| 1102 | { |
| 1103 | bktr_ptr_t bktr; |
| 1104 | int unit; |
| 1105 | |
| 1106 | unit = UNIT(minor(dev)); |
| 1107 | if (unit >= NBKTR) /* unit out of range */ |
| 1108 | return(ENXIO); |
| 1109 | |
| 1110 | bktr = &(brooktree[unit]); |
| 1111 | |
| 1112 | if (!(bktr->flags & METEOR_INITIALIZED)) /* device not found */ |
| 1113 | return(ENXIO); |
| 1114 | |
| 1115 | |
| 1116 | if (bt848_card != -1) { |
| 1117 | if ((bt848_card >> 8 == unit) && |
| 1118 | ((bt848_card & 0xff) < Bt848_MAX_CARD)) { |
| 1119 | if (bktr->bt848_card != (bt848_card & 0xff)) { |
| 1120 | bktr->bt848_card = (bt848_card & 0xff); |
| 1121 | probeCard(bktr, FALSE, unit); |
| 1122 | } |
| 1123 | } |
| 1124 | } |
| 1125 | |
| 1126 | if (bt848_tuner != -1) { |
| 1127 | if ((bt848_tuner >> 8 == unit) && |
| 1128 | ((bt848_tuner & 0xff) < Bt848_MAX_TUNER)) { |
| 1129 | if (bktr->bt848_tuner != (bt848_tuner & 0xff)) { |
| 1130 | bktr->bt848_tuner = (bt848_tuner & 0xff); |
| 1131 | probeCard(bktr, FALSE, unit); |
| 1132 | } |
| 1133 | } |
| 1134 | } |
| 1135 | |
| 1136 | if (bt848_reverse_mute != -1) { |
| 1137 | if ((bt848_reverse_mute >> 8) == unit) { |
| 1138 | bktr->reverse_mute = bt848_reverse_mute & 0xff; |
| 1139 | } |
| 1140 | } |
| 1141 | |
| 1142 | if (bt848_slow_msp_audio != -1) { |
| 1143 | if ((bt848_slow_msp_audio >> 8) == unit) { |
| 1144 | bktr->slow_msp_audio = (bt848_slow_msp_audio & 0xff); |
| 1145 | } |
| 1146 | } |
| 1147 | |
| 1148 | switch (FUNCTION(minor(dev))) { |
| 1149 | case VIDEO_DEV: |
| 1150 | return(video_open(bktr)); |
| 1151 | case TUNER_DEV: |
| 1152 | return(tuner_open(bktr)); |
| 1153 | case VBI_DEV: |
| 1154 | return(vbi_open(bktr)); |
| 1155 | } |
| 1156 | return(ENXIO); |
| 1157 | } |
| 1158 | |
| 1159 | |
| 1160 | /* |
| 1161 | * |
| 1162 | */ |
| 1163 | int |
| 1164 | bktr_close(dev_t dev, int flags, int fmt, struct lwp *l) |
| 1165 | { |
| 1166 | bktr_ptr_t bktr; |
| 1167 | int unit; |
| 1168 | |
| 1169 | unit = UNIT(minor(dev)); |
| 1170 | if (unit >= NBKTR) /* unit out of range */ |
| 1171 | return(ENXIO); |
| 1172 | |
| 1173 | bktr = &(brooktree[unit]); |
| 1174 | |
| 1175 | switch (FUNCTION(minor(dev))) { |
| 1176 | case VIDEO_DEV: |
| 1177 | return(video_close(bktr)); |
| 1178 | case TUNER_DEV: |
| 1179 | return(tuner_close(bktr)); |
| 1180 | case VBI_DEV: |
| 1181 | return(vbi_close(bktr)); |
| 1182 | } |
| 1183 | |
| 1184 | return(ENXIO); |
| 1185 | } |
| 1186 | |
| 1187 | /* |
| 1188 | * |
| 1189 | */ |
| 1190 | int |
| 1191 | bktr_read(dev_t dev, struct uio *uio, int ioflag) |
| 1192 | { |
| 1193 | bktr_ptr_t bktr; |
| 1194 | int unit; |
| 1195 | |
| 1196 | unit = UNIT(minor(dev)); |
| 1197 | if (unit >= NBKTR) /* unit out of range */ |
| 1198 | return(ENXIO); |
| 1199 | |
| 1200 | bktr = &(brooktree[unit]); |
| 1201 | |
| 1202 | switch (FUNCTION(minor(dev))) { |
| 1203 | case VIDEO_DEV: |
| 1204 | return(video_read(bktr, unit, dev, uio)); |
| 1205 | case VBI_DEV: |
| 1206 | return(vbi_read(bktr, uio, ioflag)); |
| 1207 | } |
| 1208 | return(ENXIO); |
| 1209 | } |
| 1210 | |
| 1211 | |
| 1212 | /* |
| 1213 | * |
| 1214 | */ |
| 1215 | int |
| 1216 | bktr_write(dev_t dev, struct uio *uio, int ioflag) |
| 1217 | { |
| 1218 | return(EINVAL); /* XXX or ENXIO ? */ |
| 1219 | } |
| 1220 | |
| 1221 | /* |
| 1222 | * |
| 1223 | */ |
| 1224 | int |
| 1225 | bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, void *arg, int flag, struct proc* pr) |
| 1226 | { |
| 1227 | bktr_ptr_t bktr; |
| 1228 | int unit; |
| 1229 | |
| 1230 | unit = UNIT(minor(dev)); |
| 1231 | if (unit >= NBKTR) /* unit out of range */ |
| 1232 | return(ENXIO); |
| 1233 | |
| 1234 | bktr = &(brooktree[unit]); |
| 1235 | |
| 1236 | if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ |
| 1237 | return(ENOMEM); |
| 1238 | |
| 1239 | switch (FUNCTION(minor(dev))) { |
| 1240 | case VIDEO_DEV: |
| 1241 | return(video_ioctl(bktr, unit, cmd, arg, pr)); |
| 1242 | case TUNER_DEV: |
| 1243 | return(tuner_ioctl(bktr, unit, cmd, arg, pr)); |
| 1244 | } |
| 1245 | |
| 1246 | return(ENXIO); |
| 1247 | } |
| 1248 | |
| 1249 | /* |
| 1250 | * bktr_mmap. |
| 1251 | * Note: 2.2.5/2.2.6/2.2.7/3.0 users must manually |
| 1252 | * edit the line below and change "vm_offset_t" to "int" |
| 1253 | */ |
| 1254 | int bktr_mmap(dev_t dev, vm_offset_t offset, int nprot) |
| 1255 | |
| 1256 | { |
| 1257 | int unit; |
| 1258 | bktr_ptr_t bktr; |
| 1259 | |
| 1260 | unit = UNIT(minor(dev)); |
| 1261 | |
| 1262 | if (unit >= NBKTR || FUNCTION(minor(dev)) > 0) |
| 1263 | return(-1); |
| 1264 | |
| 1265 | bktr = &(brooktree[unit]); |
| 1266 | |
| 1267 | if (nprot & PROT_EXEC) |
| 1268 | return(-1); |
| 1269 | |
| 1270 | if (offset < 0) |
| 1271 | return(-1); |
| 1272 | |
| 1273 | if (offset >= bktr->alloc_pages * PAGE_SIZE) |
| 1274 | return(-1); |
| 1275 | |
| 1276 | return(i386_btop(vtophys(bktr->bigbuf) + offset)); |
| 1277 | } |
| 1278 | |
| 1279 | int bktr_poll(dev_t dev, int events, struct lwp *l) |
| 1280 | { |
| 1281 | int unit; |
| 1282 | bktr_ptr_t bktr; |
| 1283 | int revents = 0; |
| 1284 | |
| 1285 | unit = UNIT(minor(dev)); |
| 1286 | |
| 1287 | if (unit >= NBKTR) |
| 1288 | return(-1); |
| 1289 | |
| 1290 | bktr = &(brooktree[unit]); |
| 1291 | |
| 1292 | disable_intr(); |
| 1293 | |
| 1294 | if (events & (POLLIN | POLLRDNORM)) { |
| 1295 | |
| 1296 | switch (FUNCTION(minor(dev))) { |
| 1297 | case VBI_DEV: |
| 1298 | if(bktr->vbisize == 0) |
| 1299 | selrecord(p, &bktr->vbi_select); |
| 1300 | else |
| 1301 | revents |= events & (POLLIN | POLLRDNORM); |
| 1302 | break; |
| 1303 | } |
| 1304 | } |
| 1305 | |
| 1306 | enable_intr(); |
| 1307 | |
| 1308 | return (revents); |
| 1309 | } |
| 1310 | |
| 1311 | |
| 1312 | #endif /* FreeBSD 2.2.x and 3.x specific kernel interface routines */ |
| 1313 | |
| 1314 | |
| 1315 | /*****************/ |
| 1316 | /* *** BSDI *** */ |
| 1317 | /*****************/ |
| 1318 | |
| 1319 | #if defined(__bsdi__) |
| 1320 | #endif /* __bsdi__ BSDI specific kernel interface routines */ |
| 1321 | |
| 1322 | |
| 1323 | /*****************************/ |
| 1324 | /* *** OpenBSD / NetBSD *** */ |
| 1325 | /*****************************/ |
| 1326 | #if defined(__NetBSD__) || defined(__OpenBSD__) |
| 1327 | |
| 1328 | #define IPL_VIDEO IPL_BIO /* XXX */ |
| 1329 | |
| 1330 | static int bktr_intr(void *arg) { return common_bktr_intr(arg); } |
| 1331 | |
| 1332 | #if defined(__OpenBSD__) |
| 1333 | #define bktr_open bktropen |
| 1334 | #define bktr_close bktrclose |
| 1335 | #define bktr_read bktrread |
| 1336 | #define bktr_write bktrwrite |
| 1337 | #define bktr_ioctl bktrioctl |
| 1338 | #define bktr_mmap bktrmmap |
| 1339 | |
| 1340 | static int bktr_probe(struct device *, void *, void *); |
| 1341 | #else |
| 1342 | static int bktr_probe(device_t, cfdata_t, void *); |
| 1343 | #endif |
| 1344 | static void bktr_attach(device_t, device_t, void *); |
| 1345 | |
| 1346 | CFATTACH_DECL_NEW(bktr, sizeof(struct bktr_softc), |
| 1347 | bktr_probe, bktr_attach, NULL, NULL); |
| 1348 | |
| 1349 | #if defined(__NetBSD__) |
| 1350 | extern struct cfdriver bktr_cd; |
| 1351 | #else |
| 1352 | struct cfdriver bktr_cd = { |
| 1353 | NULL, "bktr" , DV_DULL |
| 1354 | }; |
| 1355 | #endif |
| 1356 | |
| 1357 | |
| 1358 | #if NRADIO > 0 |
| 1359 | /* for radio(4) */ |
| 1360 | int bktr_get_info(void *, struct radio_info *); |
| 1361 | int bktr_set_info(void *, struct radio_info *); |
| 1362 | |
| 1363 | static struct radio_hw_if bktr_hw_if = { |
| 1364 | NULL, /* open */ |
| 1365 | NULL, /* close */ |
| 1366 | bktr_get_info, |
| 1367 | bktr_set_info, |
| 1368 | NULL /* search */ |
| 1369 | }; |
| 1370 | #endif |
| 1371 | |
| 1372 | int |
| 1373 | bktr_probe(device_t parent, cfdata_t match, void *aux) |
| 1374 | { |
| 1375 | struct pci_attach_args *pa = aux; |
| 1376 | |
| 1377 | if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_BROOKTREE && |
| 1378 | (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT848 || |
| 1379 | PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT849 || |
| 1380 | PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT878 || |
| 1381 | PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT879)) |
| 1382 | return 1; |
| 1383 | |
| 1384 | return 0; |
| 1385 | } |
| 1386 | |
| 1387 | |
| 1388 | /* |
| 1389 | * the attach routine. |
| 1390 | */ |
| 1391 | static void |
| 1392 | bktr_attach(device_t parent, device_t self, void *aux) |
| 1393 | { |
| 1394 | bktr_ptr_t bktr; |
| 1395 | u_int latency; |
| 1396 | |
| 1397 | #if defined(__OpenBSD__) |
| 1398 | u_int fun; |
| 1399 | unsigned int rev; |
| 1400 | struct pci_attach_args *pa = aux; |
| 1401 | pci_chipset_tag_t pc = pa->pa_pc; |
| 1402 | |
| 1403 | pci_intr_handle_t ih; |
| 1404 | const char *intrstr; |
| 1405 | int retval; |
| 1406 | int unit; |
| 1407 | char intrbuf[PCI_INTRSTR_LEN]; |
| 1408 | |
| 1409 | bktr = (bktr_ptr_t)self; |
| 1410 | unit = bktr->bktr_dev.dv_unit; |
| 1411 | |
| 1412 | bktr->pc = pa->pa_pc; |
| 1413 | bktr->tag = pa->pa_tag; |
| 1414 | bktr->dmat = pa->pa_dmat; |
| 1415 | |
| 1416 | /* |
| 1417 | * map memory |
| 1418 | */ |
| 1419 | bktr->memt = pa->pa_memt; |
| 1420 | retval = pci_mem_find(pc, pa->pa_tag, PCI_MAPREG_START, |
| 1421 | &bktr->phys_base, &bktr->obmemsz, NULL); |
| 1422 | if (!retval) |
| 1423 | retval = bus_space_map(pa->pa_memt, bktr->phys_base, |
| 1424 | bktr->obmemsz, 0, &bktr->memh); |
| 1425 | if (retval) { |
| 1426 | printf(": couldn't map memory\n" ); |
| 1427 | return; |
| 1428 | } |
| 1429 | |
| 1430 | |
| 1431 | /* |
| 1432 | * map interrupt |
| 1433 | */ |
| 1434 | if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, |
| 1435 | pa->pa_intrline, &ih)) { |
| 1436 | printf(": couldn't map interrupt\n" ); |
| 1437 | return; |
| 1438 | } |
| 1439 | intrstr = pci_intr_string(pa->pa_pc, ih, intrbuf, sizeof(intrbuf)); |
| 1440 | |
| 1441 | bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO, |
| 1442 | bktr_intr, bktr, device_xname(bktr->bktr_dev)); |
| 1443 | if (bktr->ih == NULL) { |
| 1444 | printf(": couldn't establish interrupt" ); |
| 1445 | if (intrstr != NULL) |
| 1446 | printf(" at %s" , intrstr); |
| 1447 | printf("\n" ); |
| 1448 | return; |
| 1449 | } |
| 1450 | |
| 1451 | if (intrstr != NULL) |
| 1452 | printf(": %s\n" , intrstr); |
| 1453 | #endif /* __OpenBSD__ */ |
| 1454 | |
| 1455 | #if defined(__NetBSD__) |
| 1456 | struct pci_attach_args *pa = aux; |
| 1457 | pci_intr_handle_t ih; |
| 1458 | pcireg_t command; |
| 1459 | const char *intrstr; |
| 1460 | int retval; |
| 1461 | int unit; |
| 1462 | char intrbuf[PCI_INTRSTR_LEN]; |
| 1463 | |
| 1464 | bktr = device_private(self); |
| 1465 | bktr->bktr_dev = self; |
| 1466 | unit = device_unit(bktr->bktr_dev); |
| 1467 | bktr->dmat = pa->pa_dmat; |
| 1468 | |
| 1469 | aprint_naive("\n" ); |
| 1470 | aprint_normal("\n" ); |
| 1471 | |
| 1472 | /* Enable Bus Master |
| 1473 | XXX: check if all old DMA is stopped first (e.g. after warm |
| 1474 | boot) */ |
| 1475 | command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); |
| 1476 | command |= PCI_COMMAND_MASTER_ENABLE; |
| 1477 | pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command); |
| 1478 | |
| 1479 | /* |
| 1480 | * map memory |
| 1481 | */ |
| 1482 | retval = pci_mapreg_map(pa, PCI_MAPREG_START, |
| 1483 | PCI_MAPREG_TYPE_MEM |
| 1484 | | PCI_MAPREG_MEM_TYPE_32BIT, 0, |
| 1485 | &bktr->memt, &bktr->memh, NULL, |
| 1486 | &bktr->obmemsz); |
| 1487 | DPR(("pci_mapreg_map: size %lx\n" , |
| 1488 | (unsigned long)bktr->obmemsz)); |
| 1489 | if (retval) { |
| 1490 | aprint_error("%s: couldn't map memory\n" , bktr_name(bktr)); |
| 1491 | return; |
| 1492 | } |
| 1493 | |
| 1494 | /* |
| 1495 | * Disable the brooktree device |
| 1496 | */ |
| 1497 | OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED); |
| 1498 | OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED); |
| 1499 | |
| 1500 | /* |
| 1501 | * map interrupt |
| 1502 | */ |
| 1503 | if (pci_intr_map(pa, &ih)) { |
| 1504 | aprint_error("%s: couldn't map interrupt\n" , |
| 1505 | bktr_name(bktr)); |
| 1506 | return; |
| 1507 | } |
| 1508 | intrstr = pci_intr_string(pa->pa_pc, ih, intrbuf, sizeof(intrbuf)); |
| 1509 | bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO, |
| 1510 | bktr_intr, bktr); |
| 1511 | if (bktr->ih == NULL) { |
| 1512 | aprint_error("%s: couldn't establish interrupt" , |
| 1513 | bktr_name(bktr)); |
| 1514 | if (intrstr != NULL) |
| 1515 | aprint_normal(" at %s" , intrstr); |
| 1516 | aprint_normal("\n" ); |
| 1517 | return; |
| 1518 | } |
| 1519 | if (intrstr != NULL) |
| 1520 | aprint_normal("%s: interrupting at %s\n" , bktr_name(bktr), |
| 1521 | intrstr); |
| 1522 | selinit(&bktr->vbi_select); |
| 1523 | #endif /* __NetBSD__ */ |
| 1524 | |
| 1525 | /* |
| 1526 | * PCI latency timer. 32 is a good value for 4 bus mastering slots, if |
| 1527 | * you have more than four, then 16 would probably be a better value. |
| 1528 | */ |
| 1529 | #ifndef BROOKTREE_DEF_LATENCY_VALUE |
| 1530 | #define BROOKTREE_DEF_LATENCY_VALUE 0x10 |
| 1531 | #endif |
| 1532 | latency = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_LATENCY_TIMER); |
| 1533 | latency = (latency >> 8) & 0xff; |
| 1534 | |
| 1535 | if (!latency) { |
| 1536 | if (bootverbose) { |
| 1537 | printf("%s: PCI bus latency was 0 changing to %d" , |
| 1538 | bktr_name(bktr), BROOKTREE_DEF_LATENCY_VALUE); |
| 1539 | } |
| 1540 | latency = BROOKTREE_DEF_LATENCY_VALUE; |
| 1541 | pci_conf_write(pa->pa_pc, pa->pa_tag, |
| 1542 | PCI_LATENCY_TIMER, latency<<8); |
| 1543 | } |
| 1544 | |
| 1545 | if (common_bktr_attach(bktr, unit, pa->pa_id, |
| 1546 | PCI_REVISION(pa->pa_class)) == 0) |
| 1547 | return; |
| 1548 | |
| 1549 | #if NRADIO > 0 |
| 1550 | /* attach to radio(4) */ |
| 1551 | if (bktr->card.tuner->pllControl[3] != 0x00) |
| 1552 | radio_attach_mi(&bktr_hw_if, bktr, bktr->bktr_dev); |
| 1553 | #endif |
| 1554 | } |
| 1555 | |
| 1556 | |
| 1557 | /* |
| 1558 | * Special Memory Allocation |
| 1559 | */ |
| 1560 | #if defined (__NetBSD__) |
| 1561 | vaddr_t |
| 1562 | #else |
| 1563 | vm_offset_t |
| 1564 | #endif |
| 1565 | get_bktr_mem(bktr_ptr_t bktr, bus_dmamap_t *dmapp, unsigned int size) |
| 1566 | { |
| 1567 | bus_dma_tag_t dmat = bktr->dmat; |
| 1568 | bus_dma_segment_t seg; |
| 1569 | bus_size_t align; |
| 1570 | int rseg; |
| 1571 | void *kva; |
| 1572 | |
| 1573 | /* |
| 1574 | * Allocate a DMA area |
| 1575 | */ |
| 1576 | align = 1 << 24; |
| 1577 | if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, |
| 1578 | &rseg, BUS_DMA_NOWAIT)) { |
| 1579 | align = PAGE_SIZE; |
| 1580 | if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1, |
| 1581 | &rseg, BUS_DMA_NOWAIT)) { |
| 1582 | printf("%s: Unable to dmamem_alloc of %d bytes\n" , |
| 1583 | bktr_name(bktr), size); |
| 1584 | return 0; |
| 1585 | } |
| 1586 | } |
| 1587 | if (bus_dmamem_map(dmat, &seg, rseg, size, |
| 1588 | &kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) { |
| 1589 | printf("%s: Unable to dmamem_map of %d bytes\n" , |
| 1590 | bktr_name(bktr), size); |
| 1591 | bus_dmamem_free(dmat, &seg, rseg); |
| 1592 | return 0; |
| 1593 | } |
| 1594 | #ifdef __OpenBSD__ |
| 1595 | bktr->dm_mapsize = size; |
| 1596 | #endif |
| 1597 | /* |
| 1598 | * Create and locd the DMA map for the DMA area |
| 1599 | */ |
| 1600 | if (bus_dmamap_create(dmat, size, 1, size, 0, BUS_DMA_NOWAIT, dmapp)) { |
| 1601 | printf("%s: Unable to dmamap_create of %d bytes\n" , |
| 1602 | bktr_name(bktr), size); |
| 1603 | bus_dmamem_unmap(dmat, kva, size); |
| 1604 | bus_dmamem_free(dmat, &seg, rseg); |
| 1605 | return 0; |
| 1606 | } |
| 1607 | if (bus_dmamap_load(dmat, *dmapp, kva, size, NULL, BUS_DMA_NOWAIT)) { |
| 1608 | printf("%s: Unable to dmamap_load of %d bytes\n" , |
| 1609 | bktr_name(bktr), size); |
| 1610 | bus_dmamem_unmap(dmat, kva, size); |
| 1611 | bus_dmamem_free(dmat, &seg, rseg); |
| 1612 | bus_dmamap_destroy(dmat, *dmapp); |
| 1613 | return 0; |
| 1614 | } |
| 1615 | #if defined(__NetBSD__) |
| 1616 | return (vaddr_t)kva; |
| 1617 | #else |
| 1618 | return (vm_offset_t)kva; |
| 1619 | #endif |
| 1620 | } |
| 1621 | |
| 1622 | void |
| 1623 | free_bktr_mem(bktr_ptr_t bktr, bus_dmamap_t dmap, vaddr_t kva) |
| 1624 | { |
| 1625 | bus_dma_tag_t dmat = bktr->dmat; |
| 1626 | |
| 1627 | #ifdef __NetBSD__ |
| 1628 | bus_dmamem_unmap(dmat, (void *)kva, dmap->dm_mapsize); |
| 1629 | #else |
| 1630 | bus_dmamem_unmap(dmat, (void *)kva, bktr->dm_mapsize); |
| 1631 | #endif |
| 1632 | bus_dmamem_free(dmat, dmap->dm_segs, 1); |
| 1633 | bus_dmamap_destroy(dmat, dmap); |
| 1634 | } |
| 1635 | |
| 1636 | |
| 1637 | /*--------------------------------------------------------- |
| 1638 | ** |
| 1639 | ** BrookTree 848 character device driver routines |
| 1640 | ** |
| 1641 | **--------------------------------------------------------- |
| 1642 | */ |
| 1643 | |
| 1644 | |
| 1645 | #define VIDEO_DEV 0x00 |
| 1646 | #define TUNER_DEV 0x01 |
| 1647 | #define VBI_DEV 0x02 |
| 1648 | |
| 1649 | #define UNIT(x) (minor((x) & 0x0f)) |
| 1650 | #define FUNCTION(x) (minor((x >> 4) & 0x0f)) |
| 1651 | |
| 1652 | /* |
| 1653 | * |
| 1654 | */ |
| 1655 | int |
| 1656 | bktr_open(dev_t dev, int flags, int fmt, |
| 1657 | struct lwp *l) |
| 1658 | { |
| 1659 | bktr_ptr_t bktr; |
| 1660 | int unit; |
| 1661 | |
| 1662 | unit = UNIT(dev); |
| 1663 | |
| 1664 | /* unit out of range */ |
| 1665 | bktr = device_lookup_private(&bktr_cd, unit); |
| 1666 | if (bktr == NULL) |
| 1667 | return(ENXIO); |
| 1668 | |
| 1669 | if (!(bktr->flags & METEOR_INITIALIZED)) /* device not found */ |
| 1670 | return(ENXIO); |
| 1671 | |
| 1672 | switch (FUNCTION(dev)) { |
| 1673 | case VIDEO_DEV: |
| 1674 | return(video_open(bktr)); |
| 1675 | case TUNER_DEV: |
| 1676 | return(tuner_open(bktr)); |
| 1677 | case VBI_DEV: |
| 1678 | return(vbi_open(bktr)); |
| 1679 | } |
| 1680 | |
| 1681 | return(ENXIO); |
| 1682 | } |
| 1683 | |
| 1684 | |
| 1685 | /* |
| 1686 | * |
| 1687 | */ |
| 1688 | int |
| 1689 | bktr_close(dev_t dev, int flags, int fmt, |
| 1690 | struct lwp *l) |
| 1691 | { |
| 1692 | bktr_ptr_t bktr; |
| 1693 | int unit; |
| 1694 | |
| 1695 | unit = UNIT(dev); |
| 1696 | |
| 1697 | bktr = device_lookup_private(&bktr_cd, unit); |
| 1698 | |
| 1699 | switch (FUNCTION(dev)) { |
| 1700 | case VIDEO_DEV: |
| 1701 | return(video_close(bktr)); |
| 1702 | case TUNER_DEV: |
| 1703 | return(tuner_close(bktr)); |
| 1704 | case VBI_DEV: |
| 1705 | return(vbi_close(bktr)); |
| 1706 | } |
| 1707 | |
| 1708 | return(ENXIO); |
| 1709 | } |
| 1710 | |
| 1711 | /* |
| 1712 | * |
| 1713 | */ |
| 1714 | int |
| 1715 | bktr_read(dev_t dev, struct uio *uio, int ioflag) |
| 1716 | { |
| 1717 | bktr_ptr_t bktr; |
| 1718 | int unit; |
| 1719 | |
| 1720 | unit = UNIT(dev); |
| 1721 | |
| 1722 | bktr = device_lookup_private(&bktr_cd, unit); |
| 1723 | |
| 1724 | switch (FUNCTION(dev)) { |
| 1725 | case VIDEO_DEV: |
| 1726 | return(video_read(bktr, unit, dev, uio)); |
| 1727 | case VBI_DEV: |
| 1728 | return(vbi_read(bktr, uio, ioflag)); |
| 1729 | } |
| 1730 | |
| 1731 | return(ENXIO); |
| 1732 | } |
| 1733 | |
| 1734 | |
| 1735 | /* |
| 1736 | * |
| 1737 | */ |
| 1738 | int |
| 1739 | bktr_write(dev_t dev, struct uio *uio, int ioflag) |
| 1740 | { |
| 1741 | /* operation not supported */ |
| 1742 | return(EOPNOTSUPP); |
| 1743 | } |
| 1744 | |
| 1745 | /* |
| 1746 | * |
| 1747 | */ |
| 1748 | int |
| 1749 | bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, void *arg, int flag, |
| 1750 | struct lwp *l) |
| 1751 | { |
| 1752 | bktr_ptr_t bktr; |
| 1753 | int unit; |
| 1754 | |
| 1755 | unit = UNIT(dev); |
| 1756 | |
| 1757 | bktr = device_lookup_private(&bktr_cd, unit); |
| 1758 | |
| 1759 | if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */ |
| 1760 | return(ENOMEM); |
| 1761 | |
| 1762 | switch (FUNCTION(dev)) { |
| 1763 | case VIDEO_DEV: |
| 1764 | return(video_ioctl(bktr, unit, cmd, arg, l)); |
| 1765 | case TUNER_DEV: |
| 1766 | return(tuner_ioctl(bktr, unit, cmd, arg, l)); |
| 1767 | } |
| 1768 | |
| 1769 | return(ENXIO); |
| 1770 | } |
| 1771 | |
| 1772 | /* |
| 1773 | * |
| 1774 | */ |
| 1775 | paddr_t |
| 1776 | bktr_mmap(dev_t dev, off_t offset, int nprot) |
| 1777 | { |
| 1778 | int unit; |
| 1779 | bktr_ptr_t bktr; |
| 1780 | |
| 1781 | unit = UNIT(dev); |
| 1782 | |
| 1783 | if (FUNCTION(dev) > 0) /* only allow mmap on /dev/bktr[n] */ |
| 1784 | return(-1); |
| 1785 | |
| 1786 | bktr = device_lookup_private(&bktr_cd, unit); |
| 1787 | |
| 1788 | if ((vaddr_t)offset >= bktr->alloc_pages * PAGE_SIZE) |
| 1789 | return(-1); |
| 1790 | |
| 1791 | #ifdef __NetBSD__ |
| 1792 | return (bus_dmamem_mmap(bktr->dmat, bktr->dm_mem->dm_segs, 1, |
| 1793 | (vaddr_t)offset, nprot, BUS_DMA_WAITOK)); |
| 1794 | #else |
| 1795 | return(i386_btop(vtophys(bktr->bigbuf) + offset)); |
| 1796 | #endif |
| 1797 | } |
| 1798 | |
| 1799 | #if NRADIO > 0 |
| 1800 | int |
| 1801 | bktr_set_info(void *v, struct radio_info *ri) |
| 1802 | { |
| 1803 | struct bktr_softc *sc = v; |
| 1804 | u_int32_t freq; |
| 1805 | |
| 1806 | if (ri->mute) { |
| 1807 | /* mute the audio stream by switching the mux */ |
| 1808 | set_audio(sc, AUDIO_MUTE); |
| 1809 | |
| 1810 | /* disable drivers on the GPIO port that controls the MUXes */ |
| 1811 | OUTL(sc, BKTR_GPIO_OUT_EN, INL(sc, BKTR_GPIO_OUT_EN) & |
| 1812 | ~sc->card.gpio_mux_bits); |
| 1813 | } else { |
| 1814 | /* enable drivers on the GPIO port that controls the MUXes */ |
| 1815 | OUTL(sc, BKTR_GPIO_OUT_EN, INL(sc, BKTR_GPIO_OUT_EN) | |
| 1816 | sc->card.gpio_mux_bits); |
| 1817 | |
| 1818 | /* unmute the audio stream */ |
| 1819 | set_audio(sc, AUDIO_UNMUTE); |
| 1820 | init_audio_devices(sc); |
| 1821 | } |
| 1822 | |
| 1823 | freq = ri->freq / 10; |
| 1824 | set_audio(sc, AUDIO_INTERN); /* use internal audio */ |
| 1825 | temp_mute(sc, TRUE); |
| 1826 | ri->freq = tv_freq(sc, freq, FM_RADIO_FREQUENCY) * 10; |
| 1827 | temp_mute(sc, FALSE); |
| 1828 | |
| 1829 | return (0); |
| 1830 | } |
| 1831 | |
| 1832 | int |
| 1833 | bktr_get_info(void *v, struct radio_info *ri) |
| 1834 | { |
| 1835 | struct bktr_softc *sc = v; |
| 1836 | struct TVTUNER *tv = &sc->tuner; |
| 1837 | int status; |
| 1838 | |
| 1839 | status = get_tuner_status(sc); |
| 1840 | |
| 1841 | #define STATUSBIT_STEREO 0x10 |
| 1842 | ri->mute = (int)sc->audio_mute_state ? 1 : 0; |
| 1843 | ri->stereo = (status & STATUSBIT_STEREO) ? 1 : 0; |
| 1844 | ri->caps = RADIO_CAPS_DETECT_STEREO | RADIO_CAPS_HW_AFC; |
| 1845 | ri->freq = tv->frequency * 10; |
| 1846 | ri->info = (status & STATUSBIT_STEREO) ? RADIO_INFO_STEREO : 0; |
| 1847 | #undef STATUSBIT_STEREO |
| 1848 | |
| 1849 | /* not yet supported */ |
| 1850 | ri->volume = ri->rfreq = ri->lock = 0; |
| 1851 | |
| 1852 | return (0); |
| 1853 | } |
| 1854 | #endif |
| 1855 | |
| 1856 | |
| 1857 | |
| 1858 | #endif /* __NetBSD__ || __OpenBSD__ */ |
| 1859 | |
| 1860 | #if defined(__NetBSD__) |
| 1861 | |
| 1862 | u_int8_t |
| 1863 | bktr_INB(struct bktr_softc *bktr, int offset) |
| 1864 | { |
| 1865 | u_int8_t val = bus_space_read_1(bktr->memt, bktr->memh, offset); |
| 1866 | bus_space_barrier(bktr->memt, bktr->memh, offset, 1, |
| 1867 | BUS_SPACE_BARRIER_READ); |
| 1868 | return val; |
| 1869 | } |
| 1870 | |
| 1871 | u_int16_t |
| 1872 | bktr_INW(struct bktr_softc *bktr, int offset) |
| 1873 | { |
| 1874 | u_int16_t val = bus_space_read_2(bktr->memt, bktr->memh, offset); |
| 1875 | bus_space_barrier(bktr->memt, bktr->memh, offset, 2, |
| 1876 | BUS_SPACE_BARRIER_READ); |
| 1877 | return val; |
| 1878 | } |
| 1879 | |
| 1880 | u_int32_t |
| 1881 | bktr_INL(struct bktr_softc *bktr, int offset) |
| 1882 | { |
| 1883 | u_int32_t val = bus_space_read_4(bktr->memt, bktr->memh, offset); |
| 1884 | bus_space_barrier(bktr->memt, bktr->memh, offset, 4, |
| 1885 | BUS_SPACE_BARRIER_READ); |
| 1886 | return val; |
| 1887 | } |
| 1888 | |
| 1889 | void |
| 1890 | bktr_OUTB(struct bktr_softc *bktr, int offset, u_int8_t value) |
| 1891 | { |
| 1892 | bus_space_write_1(bktr->memt, bktr->memh, offset, value); |
| 1893 | bus_space_barrier(bktr->memt, bktr->memh, offset, 1, |
| 1894 | BUS_SPACE_BARRIER_WRITE); |
| 1895 | } |
| 1896 | |
| 1897 | void |
| 1898 | bktr_OUTW(struct bktr_softc *bktr, int offset, u_int16_t value) |
| 1899 | { |
| 1900 | bus_space_write_2(bktr->memt, bktr->memh, offset, value); |
| 1901 | bus_space_barrier(bktr->memt, bktr->memh, offset, 2, |
| 1902 | BUS_SPACE_BARRIER_WRITE); |
| 1903 | } |
| 1904 | |
| 1905 | void |
| 1906 | bktr_OUTL(struct bktr_softc *bktr, int offset, u_int32_t value) |
| 1907 | { |
| 1908 | bus_space_write_4(bktr->memt, bktr->memh, offset, value); |
| 1909 | bus_space_barrier(bktr->memt, bktr->memh, offset, 4, |
| 1910 | BUS_SPACE_BARRIER_WRITE); |
| 1911 | } |
| 1912 | |
| 1913 | #endif /* __NetBSD__ */ |
| 1914 | |