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 static inline unsigned long
ilog2(unsigned long x)301 ilog2(unsigned long x)
302 {
303
304 return (flsl(x) - 1);
305 }
306
307 int64_t timeval_to_ns(const struct timeval *tv);
308 struct timeval ns_to_timeval(const int64_t nsec);
309
310 #define PAGE_ALIGN(addr) round_page(addr)
311 #define page_to_phys(x) VM_PAGE_TO_PHYS(x)
312 #define offset_in_page(x) ((x) & PAGE_MASK)
313
314 #define drm_get_device_from_kdev(_kdev) (((struct drm_minor *)(_kdev)->si_drv1)->dev)
315
316 #define DRM_IOC_VOID IOC_VOID
317 #define DRM_IOC_READ IOC_OUT
318 #define DRM_IOC_WRITE IOC_IN
319 #define DRM_IOC_READWRITE IOC_INOUT
320 #define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size)
321
322 static inline long
__copy_to_user(void __user * to,const void * from,unsigned long n)323 __copy_to_user(void __user *to, const void *from, unsigned long n)
324 {
325 return (copyout(from, to, n) != 0 ? n : 0);
326 }
327 #define copy_to_user(to, from, n) __copy_to_user((to), (from), (n))
328
329 static inline int
__put_user(size_t size,void * ptr,void * x)330 __put_user(size_t size, void *ptr, void *x)
331 {
332
333 size = copy_to_user(ptr, x, size);
334
335 return (size ? -EFAULT : size);
336 }
337 #define put_user(x, ptr) __put_user(sizeof(*ptr), (ptr), &(x))
338
339 static inline unsigned long
__copy_from_user(void * to,const void __user * from,unsigned long n)340 __copy_from_user(void *to, const void __user *from, unsigned long n)
341 {
342 return ((copyin(__DECONST(void *, from), to, n) != 0 ? n : 0));
343 }
344 #define copy_from_user(to, from, n) __copy_from_user((to), (from), (n))
345
346 static inline int
__get_user(size_t size,const void * ptr,void * x)347 __get_user(size_t size, const void *ptr, void *x)
348 {
349
350 size = copy_from_user(x, ptr, size);
351
352 return (size ? -EFAULT : size);
353 }
354 #define get_user(x, ptr) __get_user(sizeof(*ptr), (ptr), &(x))
355
356 static inline int
__copy_to_user_inatomic(void __user * to,const void * from,unsigned n)357 __copy_to_user_inatomic(void __user *to, const void *from, unsigned n)
358 {
359
360 return (copyout_nofault(from, to, n) != 0 ? n : 0);
361 }
362 #define __copy_to_user_inatomic_nocache(to, from, n) \
363 __copy_to_user_inatomic((to), (from), (n))
364
365 static inline unsigned long
__copy_from_user_inatomic(void * to,const void __user * from,unsigned long n)366 __copy_from_user_inatomic(void *to, const void __user *from,
367 unsigned long n)
368 {
369
370 /*
371 * XXXKIB. Equivalent Linux function is implemented using
372 * MOVNTI for aligned moves. For unaligned head and tail,
373 * normal move is performed. As such, it is not incorrect, if
374 * only somewhat slower, to use normal copyin. All uses
375 * except shmem_pwrite_fast() have the destination mapped WC.
376 */
377 return ((copyin_nofault(__DECONST(void *, from), to, n) != 0 ? n : 0));
378 }
379 #define __copy_from_user_inatomic_nocache(to, from, n) \
380 __copy_from_user_inatomic((to), (from), (n))
381
382 static inline int
fault_in_multipages_readable(const char __user * uaddr,int size)383 fault_in_multipages_readable(const char __user *uaddr, int size)
384 {
385 char c;
386 int ret = 0;
387 const char __user *end = uaddr + size - 1;
388
389 if (unlikely(size == 0))
390 return ret;
391
392 while (uaddr <= end) {
393 ret = -copyin(uaddr, &c, 1);
394 if (ret != 0)
395 return -EFAULT;
396 uaddr += PAGE_SIZE;
397 }
398
399 /* Check whether the range spilled into the next page. */
400 if (((unsigned long)uaddr & ~PAGE_MASK) ==
401 ((unsigned long)end & ~PAGE_MASK)) {
402 ret = -copyin(end, &c, 1);
403 }
404
405 return ret;
406 }
407
408 static inline int
fault_in_multipages_writeable(char __user * uaddr,int size)409 fault_in_multipages_writeable(char __user *uaddr, int size)
410 {
411 int ret = 0;
412 char __user *end = uaddr + size - 1;
413
414 if (unlikely(size == 0))
415 return ret;
416
417 /*
418 * Writing zeroes into userspace here is OK, because we know that if
419 * the zero gets there, we'll be overwriting it.
420 */
421 while (uaddr <= end) {
422 ret = subyte(uaddr, 0);
423 if (ret != 0)
424 return -EFAULT;
425 uaddr += PAGE_SIZE;
426 }
427
428 /* Check whether the range spilled into the next page. */
429 if (((unsigned long)uaddr & ~PAGE_MASK) ==
430 ((unsigned long)end & ~PAGE_MASK))
431 ret = subyte(end, 0);
432
433 return ret;
434 }
435
436 enum __drm_capabilities {
437 CAP_SYS_ADMIN
438 };
439
440 static inline bool
capable(enum __drm_capabilities cap)441 capable(enum __drm_capabilities cap)
442 {
443
444 switch (cap) {
445 case CAP_SYS_ADMIN:
446 return DRM_SUSER(curthread);
447 default:
448 panic("%s: unhandled capability: %0x", __func__, cap);
449 return (false);
450 }
451 }
452
453 #define to_user_ptr(x) ((void *)(uintptr_t)(x))
454 #define sigemptyset(set) SIGEMPTYSET(set)
455 #define sigaddset(set, sig) SIGADDSET(set, sig)
456
457 #define DRM_LOCK(dev) sx_xlock(&(dev)->dev_struct_lock)
458 #define DRM_UNLOCK(dev) sx_xunlock(&(dev)->dev_struct_lock)
459
460 extern unsigned long drm_linux_timer_hz_mask;
461 #define jiffies ticks
462 #define jiffies_to_msecs(x) (((int64_t)(x)) * 1000 / hz)
463 #define msecs_to_jiffies(x) (((int64_t)(x)) * hz / 1000)
464 #define timespec_to_jiffies(x) (((x)->tv_sec * 1000000 + (x)->tv_nsec) * hz / 1000000)
465 #define time_after(a,b) ((long)(b) - (long)(a) < 0)
466 #define time_after_eq(a,b) ((long)(b) - (long)(a) <= 0)
467 #define round_jiffies(j) ((unsigned long)(((j) + drm_linux_timer_hz_mask) & ~drm_linux_timer_hz_mask))
468 #define round_jiffies_up(j) round_jiffies(j) /* TODO */
469 #define round_jiffies_up_relative(j) round_jiffies_up(j) /* TODO */
470
471 #define getrawmonotonic(ts) getnanouptime(ts)
472
473 #define wake_up(queue) wakeup_one((void *)queue)
474 #define wake_up_interruptible(queue) wakeup_one((void *)queue)
475 #define wake_up_all(queue) wakeup((void *)queue)
476 #define wake_up_interruptible_all(queue) wakeup((void *)queue)
477
478 struct completion {
479 unsigned int done;
480 struct mtx lock;
481 };
482
483 #define INIT_COMPLETION(c) ((c).done = 0);
484
485 static inline void
init_completion(struct completion * c)486 init_completion(struct completion *c)
487 {
488
489 mtx_init(&c->lock, "drmcompl", NULL, MTX_DEF);
490 c->done = 0;
491 }
492
493 static inline void
free_completion(struct completion * c)494 free_completion(struct completion *c)
495 {
496
497 mtx_destroy(&c->lock);
498 }
499
500 static inline void
complete_all(struct completion * c)501 complete_all(struct completion *c)
502 {
503
504 mtx_lock(&c->lock);
505 c->done++;
506 mtx_unlock(&c->lock);
507 wakeup(c);
508 }
509
510 static inline long
wait_for_completion_interruptible_timeout(struct completion * c,unsigned long timeout)511 wait_for_completion_interruptible_timeout(struct completion *c,
512 unsigned long timeout)
513 {
514 unsigned long start_jiffies, elapsed_jiffies;
515 bool timeout_expired = false, awakened = false;
516 long ret = timeout;
517
518 start_jiffies = ticks;
519
520 mtx_lock(&c->lock);
521 while (c->done == 0 && !timeout_expired) {
522 ret = -msleep(c, &c->lock, PCATCH, "drmwco", timeout);
523 switch(ret) {
524 case -EWOULDBLOCK:
525 timeout_expired = true;
526 ret = 0;
527 break;
528 case -EINTR:
529 case -ERESTART:
530 ret = -ERESTARTSYS;
531 break;
532 case 0:
533 awakened = true;
534 break;
535 }
536 }
537 mtx_unlock(&c->lock);
538
539 if (awakened) {
540 elapsed_jiffies = ticks - start_jiffies;
541 ret = timeout > elapsed_jiffies ? timeout - elapsed_jiffies : 1;
542 }
543
544 return (ret);
545 }
546
547 MALLOC_DECLARE(DRM_MEM_DMA);
548 MALLOC_DECLARE(DRM_MEM_SAREA);
549 MALLOC_DECLARE(DRM_MEM_DRIVER);
550 MALLOC_DECLARE(DRM_MEM_MAGIC);
551 MALLOC_DECLARE(DRM_MEM_MINOR);
552 MALLOC_DECLARE(DRM_MEM_IOCTLS);
553 MALLOC_DECLARE(DRM_MEM_MAPS);
554 MALLOC_DECLARE(DRM_MEM_BUFS);
555 MALLOC_DECLARE(DRM_MEM_SEGS);
556 MALLOC_DECLARE(DRM_MEM_PAGES);
557 MALLOC_DECLARE(DRM_MEM_FILES);
558 MALLOC_DECLARE(DRM_MEM_QUEUES);
559 MALLOC_DECLARE(DRM_MEM_CMDS);
560 MALLOC_DECLARE(DRM_MEM_MAPPINGS);
561 MALLOC_DECLARE(DRM_MEM_BUFLISTS);
562 MALLOC_DECLARE(DRM_MEM_AGPLISTS);
563 MALLOC_DECLARE(DRM_MEM_CTXBITMAP);
564 MALLOC_DECLARE(DRM_MEM_SGLISTS);
565 MALLOC_DECLARE(DRM_MEM_MM);
566 MALLOC_DECLARE(DRM_MEM_HASHTAB);
567 MALLOC_DECLARE(DRM_MEM_KMS);
568 MALLOC_DECLARE(DRM_MEM_VBLANK);
569
570 #define simple_strtol(a, b, c) strtol((a), (b), (c))
571
572 typedef struct drm_pci_id_list
573 {
574 int vendor;
575 int device;
576 long driver_private;
577 char *name;
578 } drm_pci_id_list_t;
579
580 #ifdef __i386__
581 #define CONFIG_X86 1
582 #endif
583 #ifdef __amd64__
584 #define CONFIG_X86 1
585 #define CONFIG_X86_64 1
586 #endif
587 #ifdef __ia64__
588 #define CONFIG_IA64 1
589 #endif
590
591 #if defined(__i386__) || defined(__amd64__)
592 #define CONFIG_ACPI
593 #define CONFIG_DRM_I915_KMS
594 #undef CONFIG_INTEL_IOMMU
595 #endif
596
597 #ifdef COMPAT_FREEBSD32
598 #define CONFIG_COMPAT
599 #endif
600
601 #ifndef __arm__
602 #define CONFIG_AGP 1
603 #define CONFIG_MTRR 1
604 #endif
605
606 #define CONFIG_FB 1
607 extern const char *fb_mode_option;
608
609 #undef CONFIG_DEBUG_FS
610 #undef CONFIG_VGA_CONSOLE
611
612 #define EXPORT_SYMBOL(x)
613 #define EXPORT_SYMBOL_GPL(x)
614 #define MODULE_AUTHOR(author)
615 #define MODULE_DESCRIPTION(desc)
616 #define MODULE_LICENSE(license)
617 #define MODULE_PARM_DESC(name, desc)
618 #define MODULE_DEVICE_TABLE(name, list)
619 #define module_param_named(name, var, type, perm)
620
621 #define printk printf
622 #define pr_err DRM_ERROR
623 #define pr_warn DRM_WARNING
624 #define pr_warn_once DRM_WARNING
625 #define KERN_DEBUG ""
626
627 /* I2C compatibility. */
628 #define I2C_M_RD IIC_M_RD
629 #define I2C_M_WR IIC_M_WR
630 #define I2C_M_NOSTART IIC_M_NOSTART
631
632 struct fb_info * framebuffer_alloc(void);
633 void framebuffer_release(struct fb_info *info);
634
635 #define console_lock()
636 #define console_unlock()
637 #define console_trylock() true
638
639 #define PM_EVENT_SUSPEND 0x0002
640 #define PM_EVENT_QUIESCE 0x0008
641 #define PM_EVENT_PRETHAW PM_EVENT_QUIESCE
642
643 typedef struct pm_message {
644 int event;
645 } pm_message_t;
646
647 static inline int
pci_read_config_byte(device_t kdev,int where,u8 * val)648 pci_read_config_byte(device_t kdev, int where, u8 *val)
649 {
650
651 *val = (u8)pci_read_config(kdev, where, 1);
652 return (0);
653 }
654
655 static inline int
pci_write_config_byte(device_t kdev,int where,u8 val)656 pci_write_config_byte(device_t kdev, int where, u8 val)
657 {
658
659 pci_write_config(kdev, where, val, 1);
660 return (0);
661 }
662
663 static inline int
pci_read_config_word(device_t kdev,int where,uint16_t * val)664 pci_read_config_word(device_t kdev, int where, uint16_t *val)
665 {
666
667 *val = (uint16_t)pci_read_config(kdev, where, 2);
668 return (0);
669 }
670
671 static inline int
pci_write_config_word(device_t kdev,int where,uint16_t val)672 pci_write_config_word(device_t kdev, int where, uint16_t val)
673 {
674
675 pci_write_config(kdev, where, val, 2);
676 return (0);
677 }
678
679 static inline int
pci_read_config_dword(device_t kdev,int where,uint32_t * val)680 pci_read_config_dword(device_t kdev, int where, uint32_t *val)
681 {
682
683 *val = (uint32_t)pci_read_config(kdev, where, 4);
684 return (0);
685 }
686
687 static inline int
pci_write_config_dword(device_t kdev,int where,uint32_t val)688 pci_write_config_dword(device_t kdev, int where, uint32_t val)
689 {
690
691 pci_write_config(kdev, where, val, 4);
692 return (0);
693 }
694
695 static inline void
on_each_cpu(void callback (void * data),void * data,int wait)696 on_each_cpu(void callback(void *data), void *data, int wait)
697 {
698
699 smp_rendezvous(NULL, callback, NULL, data);
700 }
701
702 void hex_dump_to_buffer(const void *buf, size_t len, int rowsize,
703 int groupsize, char *linebuf, size_t linebuflen, bool ascii);
704
705 #define KIB_NOTYET() \
706 do { \
707 if (drm_debug && drm_notyet) \
708 printf("NOTYET: %s at %s:%d\n", __func__, __FILE__, __LINE__); \
709 } while (0)
710
711 #endif /* _DRM_OS_FREEBSD_H_ */
712