1 /** 2 * \file drm_os_freebsd.h 3 * OS abstraction macros. 4 */ 5 6 #include <sys/cdefs.h> 7 #ifndef _DRM_OS_FREEBSD_H_ 8 #define _DRM_OS_FREEBSD_H_ 9 10 #include <sys/fbio.h> 11 #include <sys/smp.h> 12 13 #if _BYTE_ORDER == _BIG_ENDIAN 14 #define __BIG_ENDIAN 4321 15 #else 16 #define __LITTLE_ENDIAN 1234 17 #endif 18 19 #ifdef __LP64__ 20 #define BITS_PER_LONG 64 21 #else 22 #define BITS_PER_LONG 32 23 #endif 24 25 #ifndef __user 26 #define __user 27 #endif 28 #ifndef __iomem 29 #define __iomem 30 #endif 31 #ifndef __always_unused 32 #define __always_unused 33 #endif 34 #ifndef __must_check 35 #define __must_check 36 #endif 37 #ifndef __force 38 #define __force 39 #endif 40 #ifndef uninitialized_var 41 #define uninitialized_var(x) x 42 #endif 43 44 #define cpu_to_le16(x) htole16(x) 45 #define le16_to_cpu(x) le16toh(x) 46 #define cpu_to_le32(x) htole32(x) 47 #define le32_to_cpu(x) le32toh(x) 48 49 #define cpu_to_be16(x) htobe16(x) 50 #define be16_to_cpu(x) be16toh(x) 51 #define cpu_to_be32(x) htobe32(x) 52 #define be32_to_cpu(x) be32toh(x) 53 #define be32_to_cpup(x) be32toh(*x) 54 55 typedef vm_paddr_t dma_addr_t; 56 typedef vm_paddr_t resource_size_t; 57 #define wait_queue_head_t atomic_t 58 59 typedef uint64_t u64; 60 typedef uint32_t u32; 61 typedef uint16_t u16; 62 typedef uint8_t u8; 63 typedef int64_t s64; 64 typedef int32_t s32; 65 typedef int16_t s16; 66 typedef int8_t s8; 67 typedef uint16_t __le16; 68 typedef uint32_t __le32; 69 typedef uint64_t __le64; 70 typedef uint16_t __be16; 71 typedef uint32_t __be32; 72 typedef uint64_t __be64; 73 74 #define DRM_IRQ_ARGS void *arg 75 typedef void irqreturn_t; 76 #define IRQ_HANDLED /* nothing */ 77 #define IRQ_NONE /* nothing */ 78 79 #define __init 80 #define __exit 81 82 #define BUILD_BUG_ON(x) CTASSERT(!(x)) 83 #define BUILD_BUG_ON_NOT_POWER_OF_2(x) 84 85 #ifndef WARN 86 #define WARN(condition, format, ...) ({ \ 87 int __ret_warn_on = !!(condition); \ 88 if (unlikely(__ret_warn_on)) \ 89 DRM_ERROR(format, ##__VA_ARGS__); \ 90 unlikely(__ret_warn_on); \ 91 }) 92 #endif 93 #define WARN_ONCE(condition, format, ...) \ 94 WARN(condition, format, ##__VA_ARGS__) 95 #define WARN_ON(cond) WARN(cond, "WARN ON: " #cond) 96 #define WARN_ON_SMP(cond) WARN_ON(cond) 97 #define BUG() panic("BUG") 98 #define BUG_ON(cond) KASSERT(!(cond), ("BUG ON: " #cond " -> 0x%jx", (uintmax_t)(cond))) 99 #define unlikely(x) __builtin_expect(!!(x), 0) 100 #define likely(x) __builtin_expect(!!(x), 1) 101 #define container_of(ptr, type, member) ({ \ 102 __typeof( ((type *)0)->member ) *__mptr = (ptr); \ 103 (type *)( (char *)__mptr - offsetof(type,member) );}) 104 105 #define KHZ2PICOS(a) (1000000000UL/(a)) 106 107 #define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) 108 109 #define HZ hz 110 #define DRM_HZ hz 111 #define DRM_CURRENTPID curthread->td_proc->p_pid 112 #define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0) 113 #define udelay(usecs) DELAY(usecs) 114 #define mdelay(msecs) do { int loops = (msecs); \ 115 while (loops--) DELAY(1000); \ 116 } while (0) 117 #define DRM_UDELAY(udelay) DELAY(udelay) 118 #define drm_msleep(x, msg) pause((msg), ((int64_t)(x)) * hz / 1000) 119 #define DRM_MSLEEP(msecs) drm_msleep((msecs), "drm_msleep") 120 #define get_seconds() time_second 121 122 #define ioread8(addr) *(volatile uint8_t *)((char *)addr) 123 #define ioread16(addr) *(volatile uint16_t *)((char *)addr) 124 #define ioread32(addr) *(volatile uint32_t *)((char *)addr) 125 126 #define iowrite8(data, addr) *(volatile uint8_t *)((char *)addr) = data; 127 #define iowrite16(data, addr) *(volatile uint16_t *)((char *)addr) = data; 128 #define iowrite32(data, addr) *(volatile uint32_t *)((char *)addr) = data; 129 130 #define DRM_READ8(map, offset) \ 131 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \ 132 (vm_offset_t)(offset)) 133 #define DRM_READ16(map, offset) \ 134 le16toh(*(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \ 135 (vm_offset_t)(offset))) 136 #define DRM_READ32(map, offset) \ 137 le32toh(*(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \ 138 (vm_offset_t)(offset))) 139 #define DRM_READ64(map, offset) \ 140 le64toh(*(volatile u_int64_t *)(((vm_offset_t)(map)->handle) + \ 141 (vm_offset_t)(offset))) 142 #define DRM_WRITE8(map, offset, val) \ 143 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \ 144 (vm_offset_t)(offset)) = val 145 #define DRM_WRITE16(map, offset, val) \ 146 *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \ 147 (vm_offset_t)(offset)) = htole16(val) 148 #define DRM_WRITE32(map, offset, val) \ 149 *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \ 150 (vm_offset_t)(offset)) = htole32(val) 151 #define DRM_WRITE64(map, offset, val) \ 152 *(volatile u_int64_t *)(((vm_offset_t)(map)->handle) + \ 153 (vm_offset_t)(offset)) = htole64(val) 154 155 #if !defined(__arm__) 156 #if defined(__i386__) || defined(__amd64__) || defined(__powerpc__) || defined(__aarch64__) 157 #define DRM_MSG "This code is deprecated. Install the graphics/drm-kmod pkg\n" 158 #else 159 #define DRM_MSG "This code is deprecated." 160 #endif 161 162 #define DRM_OBSOLETE(dev) \ 163 do { \ 164 device_printf(dev, "=======================================================\n"); \ 165 device_printf(dev, DRM_MSG); \ 166 device_printf(dev, "=======================================================\n"); \ 167 gone_in_dev(dev, 13, "drm2 drivers"); \ 168 } while (0) 169 #endif /* __arm__ */ 170 171 /* DRM_READMEMORYBARRIER() prevents reordering of reads. 172 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. 173 * DRM_MEMORYBARRIER() prevents reordering of reads and writes. 174 */ 175 #define DRM_READMEMORYBARRIER() rmb() 176 #define DRM_WRITEMEMORYBARRIER() wmb() 177 #define DRM_MEMORYBARRIER() mb() 178 #define smp_rmb() rmb() 179 #define smp_wmb() wmb() 180 #define smp_mb__before_atomic_inc() mb() 181 #define smp_mb__after_atomic_inc() mb() 182 #define barrier() __compiler_membar() 183 184 #define do_div(a, b) ((a) /= (b)) 185 #define div64_u64(a, b) ((a) / (b)) 186 #define lower_32_bits(n) ((u32)(n)) 187 #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) 188 189 #define __set_bit(n, s) set_bit((n), (s)) 190 #define __clear_bit(n, s) clear_bit((n), (s)) 191 192 #define min_t(type, x, y) ({ \ 193 type __min1 = (x); \ 194 type __min2 = (y); \ 195 __min1 < __min2 ? __min1 : __min2; }) 196 197 #define max_t(type, x, y) ({ \ 198 type __max1 = (x); \ 199 type __max2 = (y); \ 200 __max1 > __max2 ? __max1 : __max2; }) 201 202 #define memset_io(a, b, c) memset((a), (b), (c)) 203 #define memcpy_fromio(a, b, c) memcpy((a), (b), (c)) 204 #define memcpy_toio(a, b, c) memcpy((a), (b), (c)) 205 206 #define VERIFY_READ VM_PROT_READ 207 #define VERIFY_WRITE VM_PROT_WRITE 208 #define access_ok(prot, p, l) useracc((p), (l), (prot)) 209 210 /* XXXKIB what is the right code for the FreeBSD ? */ 211 /* kib@ used ENXIO here -- dumbbell@ */ 212 #define EREMOTEIO EIO 213 #define ERESTARTSYS 512 /* Same value as Linux. */ 214 215 #define KTR_DRM KTR_DEV 216 #define KTR_DRM_REG KTR_SPARE3 217 218 #define DRM_AGP_KERN struct agp_info 219 #define DRM_AGP_MEM void 220 221 #define PCI_VENDOR_ID_APPLE 0x106b 222 #define PCI_VENDOR_ID_ASUSTEK 0x1043 223 #define PCI_VENDOR_ID_ATI 0x1002 224 #define PCI_VENDOR_ID_DELL 0x1028 225 #define PCI_VENDOR_ID_HP 0x103c 226 #define PCI_VENDOR_ID_IBM 0x1014 227 #define PCI_VENDOR_ID_INTEL 0x8086 228 #define PCI_VENDOR_ID_SERVERWORKS 0x1166 229 #define PCI_VENDOR_ID_SONY 0x104d 230 #define PCI_VENDOR_ID_VIA 0x1106 231 232 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) 233 #define DIV_ROUND_CLOSEST(n,d) (((n) + (d) / 2) / (d)) 234 #define div_u64(n, d) ((n) / (d)) 235 #define hweight32(i) bitcount32(i) 236 237 /** 238 * ror32 - rotate a 32-bit value right 239 * @word: value to rotate 240 * @shift: bits to roll 241 * 242 * Source: include/linux/bitops.h 243 */ 244 static inline uint32_t 245 ror32(uint32_t word, unsigned int shift) 246 { 247 248 return (word >> shift) | (word << (32 - shift)); 249 } 250 251 #define IS_ALIGNED(x, y) (((x) & ((y) - 1)) == 0) 252 #define round_down(x, y) rounddown2((x), (y)) 253 #define round_up(x, y) roundup2((x), (y)) 254 #define get_unaligned(ptr) \ 255 ({ __typeof__(*(ptr)) __tmp; \ 256 memcpy(&__tmp, (ptr), sizeof(*(ptr))); __tmp; }) 257 258 #if _BYTE_ORDER == _LITTLE_ENDIAN 259 /* Taken from linux/include/linux/unaligned/le_struct.h. */ 260 struct __una_u32 { u32 x; } __packed; 261 262 static inline u32 263 __get_unaligned_cpu32(const void *p) 264 { 265 const struct __una_u32 *ptr = (const struct __una_u32 *)p; 266 267 return (ptr->x); 268 } 269 270 static inline u32 271 get_unaligned_le32(const void *p) 272 { 273 274 return (__get_unaligned_cpu32((const u8 *)p)); 275 } 276 #else 277 /* Taken from linux/include/linux/unaligned/le_byteshift.h. */ 278 static inline u32 279 __get_unaligned_le32(const u8 *p) 280 { 281 282 return (p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24); 283 } 284 285 static inline u32 286 get_unaligned_le32(const void *p) 287 { 288 289 return (__get_unaligned_le32((const u8 *)p)); 290 } 291 #endif 292 293 int64_t timeval_to_ns(const struct timeval *tv); 294 struct timeval ns_to_timeval(const int64_t nsec); 295 296 #define PAGE_ALIGN(addr) round_page(addr) 297 #define page_to_phys(x) VM_PAGE_TO_PHYS(x) 298 #define offset_in_page(x) ((x) & PAGE_MASK) 299 300 #define drm_get_device_from_kdev(_kdev) (((struct drm_minor *)(_kdev)->si_drv1)->dev) 301 302 #define DRM_IOC_VOID IOC_VOID 303 #define DRM_IOC_READ IOC_OUT 304 #define DRM_IOC_WRITE IOC_IN 305 #define DRM_IOC_READWRITE IOC_INOUT 306 #define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size) 307 308 static inline long 309 __copy_to_user(void __user *to, const void *from, unsigned long n) 310 { 311 return (copyout(from, to, n) != 0 ? n : 0); 312 } 313 #define copy_to_user(to, from, n) __copy_to_user((to), (from), (n)) 314 315 static inline int 316 __put_user(size_t size, void *ptr, void *x) 317 { 318 319 size = copy_to_user(ptr, x, size); 320 321 return (size ? -EFAULT : size); 322 } 323 #define put_user(x, ptr) __put_user(sizeof(*ptr), (ptr), &(x)) 324 325 static inline unsigned long 326 __copy_from_user(void *to, const void __user *from, unsigned long n) 327 { 328 return ((copyin(__DECONST(void *, from), to, n) != 0 ? n : 0)); 329 } 330 #define copy_from_user(to, from, n) __copy_from_user((to), (from), (n)) 331 332 static inline int 333 __get_user(size_t size, const void *ptr, void *x) 334 { 335 336 size = copy_from_user(x, ptr, size); 337 338 return (size ? -EFAULT : size); 339 } 340 #define get_user(x, ptr) __get_user(sizeof(*ptr), (ptr), &(x)) 341 342 static inline int 343 __copy_to_user_inatomic(void __user *to, const void *from, unsigned n) 344 { 345 346 return (copyout_nofault(from, to, n) != 0 ? n : 0); 347 } 348 #define __copy_to_user_inatomic_nocache(to, from, n) \ 349 __copy_to_user_inatomic((to), (from), (n)) 350 351 static inline unsigned long 352 __copy_from_user_inatomic(void *to, const void __user *from, 353 unsigned long n) 354 { 355 356 /* 357 * XXXKIB. Equivalent Linux function is implemented using 358 * MOVNTI for aligned moves. For unaligned head and tail, 359 * normal move is performed. As such, it is not incorrect, if 360 * only somewhat slower, to use normal copyin. All uses 361 * except shmem_pwrite_fast() have the destination mapped WC. 362 */ 363 return ((copyin_nofault(__DECONST(void *, from), to, n) != 0 ? n : 0)); 364 } 365 #define __copy_from_user_inatomic_nocache(to, from, n) \ 366 __copy_from_user_inatomic((to), (from), (n)) 367 368 static inline int 369 fault_in_multipages_readable(const char __user *uaddr, int size) 370 { 371 char c; 372 int ret = 0; 373 const char __user *end = uaddr + size - 1; 374 375 if (unlikely(size == 0)) 376 return ret; 377 378 while (uaddr <= end) { 379 ret = -copyin(uaddr, &c, 1); 380 if (ret != 0) 381 return -EFAULT; 382 uaddr += PAGE_SIZE; 383 } 384 385 /* Check whether the range spilled into the next page. */ 386 if (((unsigned long)uaddr & ~PAGE_MASK) == 387 ((unsigned long)end & ~PAGE_MASK)) { 388 ret = -copyin(end, &c, 1); 389 } 390 391 return ret; 392 } 393 394 static inline int 395 fault_in_multipages_writeable(char __user *uaddr, int size) 396 { 397 int ret = 0; 398 char __user *end = uaddr + size - 1; 399 400 if (unlikely(size == 0)) 401 return ret; 402 403 /* 404 * Writing zeroes into userspace here is OK, because we know that if 405 * the zero gets there, we'll be overwriting it. 406 */ 407 while (uaddr <= end) { 408 ret = subyte(uaddr, 0); 409 if (ret != 0) 410 return -EFAULT; 411 uaddr += PAGE_SIZE; 412 } 413 414 /* Check whether the range spilled into the next page. */ 415 if (((unsigned long)uaddr & ~PAGE_MASK) == 416 ((unsigned long)end & ~PAGE_MASK)) 417 ret = subyte(end, 0); 418 419 return ret; 420 } 421 422 enum __drm_capabilities { 423 CAP_SYS_ADMIN 424 }; 425 426 static inline bool 427 capable(enum __drm_capabilities cap) 428 { 429 430 switch (cap) { 431 case CAP_SYS_ADMIN: 432 return DRM_SUSER(curthread); 433 default: 434 panic("%s: unhandled capability: %0x", __func__, cap); 435 return (false); 436 } 437 } 438 439 #define to_user_ptr(x) ((void *)(uintptr_t)(x)) 440 #define sigemptyset(set) SIGEMPTYSET(set) 441 #define sigaddset(set, sig) SIGADDSET(set, sig) 442 443 #define DRM_LOCK(dev) sx_xlock(&(dev)->dev_struct_lock) 444 #define DRM_UNLOCK(dev) sx_xunlock(&(dev)->dev_struct_lock) 445 446 extern unsigned long drm_linux_timer_hz_mask; 447 #define jiffies ticks 448 #define jiffies_to_msecs(x) (((int64_t)(x)) * 1000 / hz) 449 #define msecs_to_jiffies(x) (((int64_t)(x)) * hz / 1000) 450 #define timespec_to_jiffies(x) (((x)->tv_sec * 1000000 + (x)->tv_nsec) * hz / 1000000) 451 #define time_after(a,b) ((long)(b) - (long)(a) < 0) 452 #define time_after_eq(a,b) ((long)(b) - (long)(a) <= 0) 453 #define round_jiffies(j) ((unsigned long)(((j) + drm_linux_timer_hz_mask) & ~drm_linux_timer_hz_mask)) 454 #define round_jiffies_up(j) round_jiffies(j) /* TODO */ 455 #define round_jiffies_up_relative(j) round_jiffies_up(j) /* TODO */ 456 457 #define getrawmonotonic(ts) getnanouptime(ts) 458 459 #define wake_up(queue) wakeup_one((void *)queue) 460 #define wake_up_interruptible(queue) wakeup_one((void *)queue) 461 #define wake_up_all(queue) wakeup((void *)queue) 462 #define wake_up_interruptible_all(queue) wakeup((void *)queue) 463 464 struct completion { 465 unsigned int done; 466 struct mtx lock; 467 }; 468 469 #define INIT_COMPLETION(c) ((c).done = 0); 470 471 static inline void 472 init_completion(struct completion *c) 473 { 474 475 mtx_init(&c->lock, "drmcompl", NULL, MTX_DEF); 476 c->done = 0; 477 } 478 479 static inline void 480 free_completion(struct completion *c) 481 { 482 483 mtx_destroy(&c->lock); 484 } 485 486 static inline void 487 complete_all(struct completion *c) 488 { 489 490 mtx_lock(&c->lock); 491 c->done++; 492 mtx_unlock(&c->lock); 493 wakeup(c); 494 } 495 496 static inline long 497 wait_for_completion_interruptible_timeout(struct completion *c, 498 unsigned long timeout) 499 { 500 unsigned long start_jiffies, elapsed_jiffies; 501 bool timeout_expired = false, awakened = false; 502 long ret = timeout; 503 504 start_jiffies = ticks; 505 506 mtx_lock(&c->lock); 507 while (c->done == 0 && !timeout_expired) { 508 ret = -msleep(c, &c->lock, PCATCH, "drmwco", timeout); 509 switch(ret) { 510 case -EWOULDBLOCK: 511 timeout_expired = true; 512 ret = 0; 513 break; 514 case -EINTR: 515 case -ERESTART: 516 ret = -ERESTARTSYS; 517 break; 518 case 0: 519 awakened = true; 520 break; 521 } 522 } 523 mtx_unlock(&c->lock); 524 525 if (awakened) { 526 elapsed_jiffies = ticks - start_jiffies; 527 ret = timeout > elapsed_jiffies ? timeout - elapsed_jiffies : 1; 528 } 529 530 return (ret); 531 } 532 533 MALLOC_DECLARE(DRM_MEM_DMA); 534 MALLOC_DECLARE(DRM_MEM_SAREA); 535 MALLOC_DECLARE(DRM_MEM_DRIVER); 536 MALLOC_DECLARE(DRM_MEM_MAGIC); 537 MALLOC_DECLARE(DRM_MEM_MINOR); 538 MALLOC_DECLARE(DRM_MEM_IOCTLS); 539 MALLOC_DECLARE(DRM_MEM_MAPS); 540 MALLOC_DECLARE(DRM_MEM_BUFS); 541 MALLOC_DECLARE(DRM_MEM_SEGS); 542 MALLOC_DECLARE(DRM_MEM_PAGES); 543 MALLOC_DECLARE(DRM_MEM_FILES); 544 MALLOC_DECLARE(DRM_MEM_QUEUES); 545 MALLOC_DECLARE(DRM_MEM_CMDS); 546 MALLOC_DECLARE(DRM_MEM_MAPPINGS); 547 MALLOC_DECLARE(DRM_MEM_BUFLISTS); 548 MALLOC_DECLARE(DRM_MEM_AGPLISTS); 549 MALLOC_DECLARE(DRM_MEM_CTXBITMAP); 550 MALLOC_DECLARE(DRM_MEM_SGLISTS); 551 MALLOC_DECLARE(DRM_MEM_MM); 552 MALLOC_DECLARE(DRM_MEM_HASHTAB); 553 MALLOC_DECLARE(DRM_MEM_KMS); 554 MALLOC_DECLARE(DRM_MEM_VBLANK); 555 556 #define simple_strtol(a, b, c) strtol((a), (b), (c)) 557 558 typedef struct drm_pci_id_list 559 { 560 int vendor; 561 int device; 562 long driver_private; 563 char *name; 564 } drm_pci_id_list_t; 565 566 #ifdef __i386__ 567 #define CONFIG_X86 1 568 #endif 569 #ifdef __amd64__ 570 #define CONFIG_X86 1 571 #define CONFIG_X86_64 1 572 #endif 573 #ifdef __ia64__ 574 #define CONFIG_IA64 1 575 #endif 576 577 #if defined(__i386__) || defined(__amd64__) 578 #define CONFIG_ACPI 579 #define CONFIG_DRM_I915_KMS 580 #undef CONFIG_INTEL_IOMMU 581 #endif 582 583 #ifdef COMPAT_FREEBSD32 584 #define CONFIG_COMPAT 585 #endif 586 587 #ifndef __arm__ 588 #define CONFIG_AGP 1 589 #define CONFIG_MTRR 1 590 #endif 591 592 #define CONFIG_FB 1 593 extern const char *fb_mode_option; 594 595 #undef CONFIG_DEBUG_FS 596 #undef CONFIG_VGA_CONSOLE 597 598 #define EXPORT_SYMBOL(x) 599 #define EXPORT_SYMBOL_GPL(x) 600 #define MODULE_AUTHOR(author) 601 #define MODULE_DESCRIPTION(desc) 602 #define MODULE_LICENSE(license) 603 #define MODULE_PARM_DESC(name, desc) 604 #define MODULE_DEVICE_TABLE(name, list) 605 #define module_param_named(name, var, type, perm) 606 607 #define printk printf 608 #define pr_err DRM_ERROR 609 #define pr_warn DRM_WARNING 610 #define pr_warn_once DRM_WARNING 611 #define KERN_DEBUG "" 612 613 /* I2C compatibility. */ 614 #define I2C_M_RD IIC_M_RD 615 #define I2C_M_WR IIC_M_WR 616 #define I2C_M_NOSTART IIC_M_NOSTART 617 618 struct fb_info * framebuffer_alloc(void); 619 void framebuffer_release(struct fb_info *info); 620 621 #define console_lock() 622 #define console_unlock() 623 #define console_trylock() true 624 625 #define PM_EVENT_SUSPEND 0x0002 626 #define PM_EVENT_QUIESCE 0x0008 627 #define PM_EVENT_PRETHAW PM_EVENT_QUIESCE 628 629 typedef struct pm_message { 630 int event; 631 } pm_message_t; 632 633 static inline int 634 pci_read_config_byte(device_t kdev, int where, u8 *val) 635 { 636 637 *val = (u8)pci_read_config(kdev, where, 1); 638 return (0); 639 } 640 641 static inline int 642 pci_write_config_byte(device_t kdev, int where, u8 val) 643 { 644 645 pci_write_config(kdev, where, val, 1); 646 return (0); 647 } 648 649 static inline int 650 pci_read_config_word(device_t kdev, int where, uint16_t *val) 651 { 652 653 *val = (uint16_t)pci_read_config(kdev, where, 2); 654 return (0); 655 } 656 657 static inline int 658 pci_write_config_word(device_t kdev, int where, uint16_t val) 659 { 660 661 pci_write_config(kdev, where, val, 2); 662 return (0); 663 } 664 665 static inline int 666 pci_read_config_dword(device_t kdev, int where, uint32_t *val) 667 { 668 669 *val = (uint32_t)pci_read_config(kdev, where, 4); 670 return (0); 671 } 672 673 static inline int 674 pci_write_config_dword(device_t kdev, int where, uint32_t val) 675 { 676 677 pci_write_config(kdev, where, val, 4); 678 return (0); 679 } 680 681 static inline void 682 on_each_cpu(void callback(void *data), void *data, int wait) 683 { 684 685 smp_rendezvous(NULL, callback, NULL, data); 686 } 687 688 void hex_dump_to_buffer(const void *buf, size_t len, int rowsize, 689 int groupsize, char *linebuf, size_t linebuflen, bool ascii); 690 691 #define KIB_NOTYET() \ 692 do { \ 693 if (drm_debug && drm_notyet) \ 694 printf("NOTYET: %s at %s:%d\n", __func__, __FILE__, __LINE__); \ 695 } while (0) 696 697 #endif /* _DRM_OS_FREEBSD_H_ */ 698