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 static inline unsigned long
roundup_pow_of_two(unsigned long x)238 roundup_pow_of_two(unsigned long x)
239 {
240
241 return (1UL << flsl(x - 1));
242 }
243
244 /**
245 * ror32 - rotate a 32-bit value right
246 * @word: value to rotate
247 * @shift: bits to roll
248 *
249 * Source: include/linux/bitops.h
250 */
251 static inline uint32_t
ror32(uint32_t word,unsigned int shift)252 ror32(uint32_t word, unsigned int shift)
253 {
254
255 return (word >> shift) | (word << (32 - shift));
256 }
257
258 #define IS_ALIGNED(x, y) (((x) & ((y) - 1)) == 0)
259 #define round_down(x, y) rounddown2((x), (y))
260 #define round_up(x, y) roundup2((x), (y))
261 #define get_unaligned(ptr) \
262 ({ __typeof__(*(ptr)) __tmp; \
263 memcpy(&__tmp, (ptr), sizeof(*(ptr))); __tmp; })
264
265 #if _BYTE_ORDER == _LITTLE_ENDIAN
266 /* Taken from linux/include/linux/unaligned/le_struct.h. */
267 struct __una_u32 { u32 x; } __packed;
268
269 static inline u32
__get_unaligned_cpu32(const void * p)270 __get_unaligned_cpu32(const void *p)
271 {
272 const struct __una_u32 *ptr = (const struct __una_u32 *)p;
273
274 return (ptr->x);
275 }
276
277 static inline u32
get_unaligned_le32(const void * p)278 get_unaligned_le32(const void *p)
279 {
280
281 return (__get_unaligned_cpu32((const u8 *)p));
282 }
283 #else
284 /* Taken from linux/include/linux/unaligned/le_byteshift.h. */
285 static inline u32
__get_unaligned_le32(const u8 * p)286 __get_unaligned_le32(const u8 *p)
287 {
288
289 return (p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24);
290 }
291
292 static inline u32
get_unaligned_le32(const void * p)293 get_unaligned_le32(const void *p)
294 {
295
296 return (__get_unaligned_le32((const u8 *)p));
297 }
298 #endif
299
300 int64_t timeval_to_ns(const struct timeval *tv);
301 struct timeval ns_to_timeval(const int64_t nsec);
302
303 #define PAGE_ALIGN(addr) round_page(addr)
304 #define page_to_phys(x) VM_PAGE_TO_PHYS(x)
305 #define offset_in_page(x) ((x) & PAGE_MASK)
306
307 #define drm_get_device_from_kdev(_kdev) (((struct drm_minor *)(_kdev)->si_drv1)->dev)
308
309 #define DRM_IOC_VOID IOC_VOID
310 #define DRM_IOC_READ IOC_OUT
311 #define DRM_IOC_WRITE IOC_IN
312 #define DRM_IOC_READWRITE IOC_INOUT
313 #define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size)
314
315 static inline long
__copy_to_user(void __user * to,const void * from,unsigned long n)316 __copy_to_user(void __user *to, const void *from, unsigned long n)
317 {
318 return (copyout(from, to, n) != 0 ? n : 0);
319 }
320 #define copy_to_user(to, from, n) __copy_to_user((to), (from), (n))
321
322 static inline int
__put_user(size_t size,void * ptr,void * x)323 __put_user(size_t size, void *ptr, void *x)
324 {
325
326 size = copy_to_user(ptr, x, size);
327
328 return (size ? -EFAULT : size);
329 }
330 #define put_user(x, ptr) __put_user(sizeof(*ptr), (ptr), &(x))
331
332 static inline unsigned long
__copy_from_user(void * to,const void __user * from,unsigned long n)333 __copy_from_user(void *to, const void __user *from, unsigned long n)
334 {
335 return ((copyin(__DECONST(void *, from), to, n) != 0 ? n : 0));
336 }
337 #define copy_from_user(to, from, n) __copy_from_user((to), (from), (n))
338
339 static inline int
__get_user(size_t size,const void * ptr,void * x)340 __get_user(size_t size, const void *ptr, void *x)
341 {
342
343 size = copy_from_user(x, ptr, size);
344
345 return (size ? -EFAULT : size);
346 }
347 #define get_user(x, ptr) __get_user(sizeof(*ptr), (ptr), &(x))
348
349 static inline int
__copy_to_user_inatomic(void __user * to,const void * from,unsigned n)350 __copy_to_user_inatomic(void __user *to, const void *from, unsigned n)
351 {
352
353 return (copyout_nofault(from, to, n) != 0 ? n : 0);
354 }
355 #define __copy_to_user_inatomic_nocache(to, from, n) \
356 __copy_to_user_inatomic((to), (from), (n))
357
358 static inline unsigned long
__copy_from_user_inatomic(void * to,const void __user * from,unsigned long n)359 __copy_from_user_inatomic(void *to, const void __user *from,
360 unsigned long n)
361 {
362
363 /*
364 * XXXKIB. Equivalent Linux function is implemented using
365 * MOVNTI for aligned moves. For unaligned head and tail,
366 * normal move is performed. As such, it is not incorrect, if
367 * only somewhat slower, to use normal copyin. All uses
368 * except shmem_pwrite_fast() have the destination mapped WC.
369 */
370 return ((copyin_nofault(__DECONST(void *, from), to, n) != 0 ? n : 0));
371 }
372 #define __copy_from_user_inatomic_nocache(to, from, n) \
373 __copy_from_user_inatomic((to), (from), (n))
374
375 static inline int
fault_in_multipages_readable(const char __user * uaddr,int size)376 fault_in_multipages_readable(const char __user *uaddr, int size)
377 {
378 char c;
379 int ret = 0;
380 const char __user *end = uaddr + size - 1;
381
382 if (unlikely(size == 0))
383 return ret;
384
385 while (uaddr <= end) {
386 ret = -copyin(uaddr, &c, 1);
387 if (ret != 0)
388 return -EFAULT;
389 uaddr += PAGE_SIZE;
390 }
391
392 /* Check whether the range spilled into the next page. */
393 if (((unsigned long)uaddr & ~PAGE_MASK) ==
394 ((unsigned long)end & ~PAGE_MASK)) {
395 ret = -copyin(end, &c, 1);
396 }
397
398 return ret;
399 }
400
401 static inline int
fault_in_multipages_writeable(char __user * uaddr,int size)402 fault_in_multipages_writeable(char __user *uaddr, int size)
403 {
404 int ret = 0;
405 char __user *end = uaddr + size - 1;
406
407 if (unlikely(size == 0))
408 return ret;
409
410 /*
411 * Writing zeroes into userspace here is OK, because we know that if
412 * the zero gets there, we'll be overwriting it.
413 */
414 while (uaddr <= end) {
415 ret = subyte(uaddr, 0);
416 if (ret != 0)
417 return -EFAULT;
418 uaddr += PAGE_SIZE;
419 }
420
421 /* Check whether the range spilled into the next page. */
422 if (((unsigned long)uaddr & ~PAGE_MASK) ==
423 ((unsigned long)end & ~PAGE_MASK))
424 ret = subyte(end, 0);
425
426 return ret;
427 }
428
429 enum __drm_capabilities {
430 CAP_SYS_ADMIN
431 };
432
433 static inline bool
capable(enum __drm_capabilities cap)434 capable(enum __drm_capabilities cap)
435 {
436
437 switch (cap) {
438 case CAP_SYS_ADMIN:
439 return DRM_SUSER(curthread);
440 default:
441 panic("%s: unhandled capability: %0x", __func__, cap);
442 return (false);
443 }
444 }
445
446 #define to_user_ptr(x) ((void *)(uintptr_t)(x))
447 #define sigemptyset(set) SIGEMPTYSET(set)
448 #define sigaddset(set, sig) SIGADDSET(set, sig)
449
450 #define DRM_LOCK(dev) sx_xlock(&(dev)->dev_struct_lock)
451 #define DRM_UNLOCK(dev) sx_xunlock(&(dev)->dev_struct_lock)
452
453 extern unsigned long drm_linux_timer_hz_mask;
454 #define jiffies ticks
455 #define jiffies_to_msecs(x) (((int64_t)(x)) * 1000 / hz)
456 #define msecs_to_jiffies(x) (((int64_t)(x)) * hz / 1000)
457 #define timespec_to_jiffies(x) (((x)->tv_sec * 1000000 + (x)->tv_nsec) * hz / 1000000)
458 #define time_after(a,b) ((long)(b) - (long)(a) < 0)
459 #define time_after_eq(a,b) ((long)(b) - (long)(a) <= 0)
460 #define round_jiffies(j) ((unsigned long)(((j) + drm_linux_timer_hz_mask) & ~drm_linux_timer_hz_mask))
461 #define round_jiffies_up(j) round_jiffies(j) /* TODO */
462 #define round_jiffies_up_relative(j) round_jiffies_up(j) /* TODO */
463
464 #define getrawmonotonic(ts) getnanouptime(ts)
465
466 #define wake_up(queue) wakeup_one((void *)queue)
467 #define wake_up_interruptible(queue) wakeup_one((void *)queue)
468 #define wake_up_all(queue) wakeup((void *)queue)
469 #define wake_up_interruptible_all(queue) wakeup((void *)queue)
470
471 struct completion {
472 unsigned int done;
473 struct mtx lock;
474 };
475
476 #define INIT_COMPLETION(c) ((c).done = 0);
477
478 static inline void
init_completion(struct completion * c)479 init_completion(struct completion *c)
480 {
481
482 mtx_init(&c->lock, "drmcompl", NULL, MTX_DEF);
483 c->done = 0;
484 }
485
486 static inline void
free_completion(struct completion * c)487 free_completion(struct completion *c)
488 {
489
490 mtx_destroy(&c->lock);
491 }
492
493 static inline void
complete_all(struct completion * c)494 complete_all(struct completion *c)
495 {
496
497 mtx_lock(&c->lock);
498 c->done++;
499 mtx_unlock(&c->lock);
500 wakeup(c);
501 }
502
503 static inline long
wait_for_completion_interruptible_timeout(struct completion * c,unsigned long timeout)504 wait_for_completion_interruptible_timeout(struct completion *c,
505 unsigned long timeout)
506 {
507 unsigned long start_jiffies, elapsed_jiffies;
508 bool timeout_expired = false, awakened = false;
509 long ret = timeout;
510
511 start_jiffies = ticks;
512
513 mtx_lock(&c->lock);
514 while (c->done == 0 && !timeout_expired) {
515 ret = -msleep(c, &c->lock, PCATCH, "drmwco", timeout);
516 switch(ret) {
517 case -EWOULDBLOCK:
518 timeout_expired = true;
519 ret = 0;
520 break;
521 case -EINTR:
522 case -ERESTART:
523 ret = -ERESTARTSYS;
524 break;
525 case 0:
526 awakened = true;
527 break;
528 }
529 }
530 mtx_unlock(&c->lock);
531
532 if (awakened) {
533 elapsed_jiffies = ticks - start_jiffies;
534 ret = timeout > elapsed_jiffies ? timeout - elapsed_jiffies : 1;
535 }
536
537 return (ret);
538 }
539
540 MALLOC_DECLARE(DRM_MEM_DMA);
541 MALLOC_DECLARE(DRM_MEM_SAREA);
542 MALLOC_DECLARE(DRM_MEM_DRIVER);
543 MALLOC_DECLARE(DRM_MEM_MAGIC);
544 MALLOC_DECLARE(DRM_MEM_MINOR);
545 MALLOC_DECLARE(DRM_MEM_IOCTLS);
546 MALLOC_DECLARE(DRM_MEM_MAPS);
547 MALLOC_DECLARE(DRM_MEM_BUFS);
548 MALLOC_DECLARE(DRM_MEM_SEGS);
549 MALLOC_DECLARE(DRM_MEM_PAGES);
550 MALLOC_DECLARE(DRM_MEM_FILES);
551 MALLOC_DECLARE(DRM_MEM_QUEUES);
552 MALLOC_DECLARE(DRM_MEM_CMDS);
553 MALLOC_DECLARE(DRM_MEM_MAPPINGS);
554 MALLOC_DECLARE(DRM_MEM_BUFLISTS);
555 MALLOC_DECLARE(DRM_MEM_AGPLISTS);
556 MALLOC_DECLARE(DRM_MEM_CTXBITMAP);
557 MALLOC_DECLARE(DRM_MEM_SGLISTS);
558 MALLOC_DECLARE(DRM_MEM_MM);
559 MALLOC_DECLARE(DRM_MEM_HASHTAB);
560 MALLOC_DECLARE(DRM_MEM_KMS);
561 MALLOC_DECLARE(DRM_MEM_VBLANK);
562
563 #define simple_strtol(a, b, c) strtol((a), (b), (c))
564
565 typedef struct drm_pci_id_list
566 {
567 int vendor;
568 int device;
569 long driver_private;
570 char *name;
571 } drm_pci_id_list_t;
572
573 #ifdef __i386__
574 #define CONFIG_X86 1
575 #endif
576 #ifdef __amd64__
577 #define CONFIG_X86 1
578 #define CONFIG_X86_64 1
579 #endif
580 #ifdef __ia64__
581 #define CONFIG_IA64 1
582 #endif
583
584 #if defined(__i386__) || defined(__amd64__)
585 #define CONFIG_ACPI
586 #define CONFIG_DRM_I915_KMS
587 #undef CONFIG_INTEL_IOMMU
588 #endif
589
590 #ifdef COMPAT_FREEBSD32
591 #define CONFIG_COMPAT
592 #endif
593
594 #ifndef __arm__
595 #define CONFIG_AGP 1
596 #define CONFIG_MTRR 1
597 #endif
598
599 #define CONFIG_FB 1
600 extern const char *fb_mode_option;
601
602 #undef CONFIG_DEBUG_FS
603 #undef CONFIG_VGA_CONSOLE
604
605 #define EXPORT_SYMBOL(x)
606 #define EXPORT_SYMBOL_GPL(x)
607 #define MODULE_AUTHOR(author)
608 #define MODULE_DESCRIPTION(desc)
609 #define MODULE_LICENSE(license)
610 #define MODULE_PARM_DESC(name, desc)
611 #define MODULE_DEVICE_TABLE(name, list)
612 #define module_param_named(name, var, type, perm)
613
614 #define printk printf
615 #define pr_err DRM_ERROR
616 #define pr_warn DRM_WARNING
617 #define pr_warn_once DRM_WARNING
618 #define KERN_DEBUG ""
619
620 /* I2C compatibility. */
621 #define I2C_M_RD IIC_M_RD
622 #define I2C_M_WR IIC_M_WR
623 #define I2C_M_NOSTART IIC_M_NOSTART
624
625 struct fb_info * framebuffer_alloc(void);
626 void framebuffer_release(struct fb_info *info);
627
628 #define console_lock()
629 #define console_unlock()
630 #define console_trylock() true
631
632 #define PM_EVENT_SUSPEND 0x0002
633 #define PM_EVENT_QUIESCE 0x0008
634 #define PM_EVENT_PRETHAW PM_EVENT_QUIESCE
635
636 typedef struct pm_message {
637 int event;
638 } pm_message_t;
639
640 static inline int
pci_read_config_byte(device_t kdev,int where,u8 * val)641 pci_read_config_byte(device_t kdev, int where, u8 *val)
642 {
643
644 *val = (u8)pci_read_config(kdev, where, 1);
645 return (0);
646 }
647
648 static inline int
pci_write_config_byte(device_t kdev,int where,u8 val)649 pci_write_config_byte(device_t kdev, int where, u8 val)
650 {
651
652 pci_write_config(kdev, where, val, 1);
653 return (0);
654 }
655
656 static inline int
pci_read_config_word(device_t kdev,int where,uint16_t * val)657 pci_read_config_word(device_t kdev, int where, uint16_t *val)
658 {
659
660 *val = (uint16_t)pci_read_config(kdev, where, 2);
661 return (0);
662 }
663
664 static inline int
pci_write_config_word(device_t kdev,int where,uint16_t val)665 pci_write_config_word(device_t kdev, int where, uint16_t val)
666 {
667
668 pci_write_config(kdev, where, val, 2);
669 return (0);
670 }
671
672 static inline int
pci_read_config_dword(device_t kdev,int where,uint32_t * val)673 pci_read_config_dword(device_t kdev, int where, uint32_t *val)
674 {
675
676 *val = (uint32_t)pci_read_config(kdev, where, 4);
677 return (0);
678 }
679
680 static inline int
pci_write_config_dword(device_t kdev,int where,uint32_t val)681 pci_write_config_dword(device_t kdev, int where, uint32_t val)
682 {
683
684 pci_write_config(kdev, where, val, 4);
685 return (0);
686 }
687
688 static inline void
on_each_cpu(void callback (void * data),void * data,int wait)689 on_each_cpu(void callback(void *data), void *data, int wait)
690 {
691
692 smp_rendezvous(NULL, callback, NULL, data);
693 }
694
695 void hex_dump_to_buffer(const void *buf, size_t len, int rowsize,
696 int groupsize, char *linebuf, size_t linebuflen, bool ascii);
697
698 #define KIB_NOTYET() \
699 do { \
700 if (drm_debug && drm_notyet) \
701 printf("NOTYET: %s at %s:%d\n", __func__, __FILE__, __LINE__); \
702 } while (0)
703
704 #endif /* _DRM_OS_FREEBSD_H_ */
705