1/** 2 * \file drm_os_freebsd.h 3 * OS abstraction macros. 4 */ 5 6#include <sys/cdefs.h> 7__FBSDID("$FreeBSD$"); 8 9#ifndef _DRM_OS_FREEBSD_H_ 10#define _DRM_OS_FREEBSD_H_ 11 12#include <sys/fbio.h> 13 14#if _BYTE_ORDER == _BIG_ENDIAN 15#define __BIG_ENDIAN 4321 16#else 17#define __LITTLE_ENDIAN 1234 18#endif 19 20#ifdef __LP64__ 21#define BITS_PER_LONG 64 22#else 23#define BITS_PER_LONG 32 24#endif 25 26#ifndef __user 27#define __user 28#endif 29#ifndef __iomem 30#define __iomem 31#endif 32 33#define cpu_to_le16(x) htole16(x) 34#define le16_to_cpu(x) le16toh(x) 35#define cpu_to_le32(x) htole32(x) 36#define le32_to_cpu(x) le32toh(x) 37 38#define cpu_to_be16(x) htobe16(x) 39#define be16_to_cpu(x) be16toh(x) 40#define cpu_to_be32(x) htobe32(x) 41#define be32_to_cpu(x) be32toh(x) 42#define be32_to_cpup(x) be32toh(*x) 43 44typedef vm_paddr_t dma_addr_t; 45typedef vm_paddr_t resource_size_t; 46#define wait_queue_head_t atomic_t 47 48typedef uint64_t u64; 49typedef uint32_t u32; 50typedef uint16_t u16; 51typedef uint8_t u8; 52typedef int64_t s64; 53typedef int32_t s32; 54typedef int16_t s16; 55typedef int8_t s8; 56typedef uint16_t __le16; 57typedef uint32_t __le32; 58typedef uint64_t __le64; 59typedef uint16_t __be16; 60typedef uint32_t __be32; 61typedef uint64_t __be64; 62 63#define DRM_IRQ_ARGS void *arg 64typedef void irqreturn_t; 65#define IRQ_HANDLED /* nothing */ 66#define IRQ_NONE /* nothing */ 67 68#define __init 69#define __exit 70#define __read_mostly 71 72#define WARN_ON(cond) KASSERT(!(cond), ("WARN ON: " #cond)) 73#define WARN_ON_SMP(cond) WARN_ON(cond) 74#define BUG_ON(cond) KASSERT(!(cond), ("BUG ON: " #cond)) 75#define unlikely(x) __builtin_expect(!!(x), 0) 76#define likely(x) __builtin_expect(!!(x), 1) 77#define container_of(ptr, type, member) ({ \ 78 __typeof( ((type *)0)->member ) *__mptr = (ptr); \ 79 (type *)( (char *)__mptr - offsetof(type,member) );}) 80 81#define KHZ2PICOS(a) (1000000000UL/(a)) 82 83#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) 84 85#define HZ hz 86#define DRM_HZ hz 87#define DRM_CURRENTPID curthread->td_proc->p_pid 88#define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0) 89#define udelay(usecs) DELAY(usecs) 90#define mdelay(msecs) do { int loops = (msecs); \ 91 while (loops--) DELAY(1000); \ 92 } while (0) 93#define DRM_UDELAY(udelay) DELAY(udelay) 94#define drm_msleep(x, msg) pause((msg), ((int64_t)(x)) * hz / 1000) 95#define DRM_MSLEEP(msecs) drm_msleep((msecs), "drm_msleep") 96 97#define DRM_READ8(map, offset) \ 98 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \ 99 (vm_offset_t)(offset)) 100#define DRM_READ16(map, offset) \ 101 le16toh(*(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \ 102 (vm_offset_t)(offset))) 103#define DRM_READ32(map, offset) \ 104 le32toh(*(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \ 105 (vm_offset_t)(offset))) 106#define DRM_READ64(map, offset) \ 107 le64toh(*(volatile u_int64_t *)(((vm_offset_t)(map)->handle) + \ 108 (vm_offset_t)(offset))) 109#define DRM_WRITE8(map, offset, val) \ 110 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \ 111 (vm_offset_t)(offset)) = val 112#define DRM_WRITE16(map, offset, val) \ 113 *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \ 114 (vm_offset_t)(offset)) = htole16(val) 115#define DRM_WRITE32(map, offset, val) \ 116 *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \ 117 (vm_offset_t)(offset)) = htole32(val) 118#define DRM_WRITE64(map, offset, val) \ 119 *(volatile u_int64_t *)(((vm_offset_t)(map)->handle) + \ 120 (vm_offset_t)(offset)) = htole64(val) 121 122/* DRM_READMEMORYBARRIER() prevents reordering of reads. 123 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. 124 * DRM_MEMORYBARRIER() prevents reordering of reads and writes. 125 */ 126#define DRM_READMEMORYBARRIER() rmb() 127#define DRM_WRITEMEMORYBARRIER() wmb() 128#define DRM_MEMORYBARRIER() mb() 129#define smp_rmb() rmb() 130#define smp_mb__before_atomic_inc() mb() 131#define smp_mb__after_atomic_inc() mb() 132 133#define do_div(a, b) ((a) /= (b)) 134#define div64_u64(a, b) ((a) / (b)) 135#define lower_32_bits(n) ((u32)(n)) 136 137#define min_t(type, x, y) ({ \ 138 type __min1 = (x); \ 139 type __min2 = (y); \ 140 __min1 < __min2 ? __min1 : __min2; }) 141 142#define max_t(type, x, y) ({ \ 143 type __max1 = (x); \ 144 type __max2 = (y); \ 145 __max1 > __max2 ? __max1 : __max2; }) 146 147#define memset_io(a, b, c) memset((a), (b), (c)) 148#define memcpy_fromio(a, b, c) memcpy((a), (b), (c)) 149#define memcpy_toio(a, b, c) memcpy((a), (b), (c)) 150 151/* XXXKIB what is the right code for the FreeBSD ? */ 152/* kib@ used ENXIO here -- dumbbell@ */ 153#define EREMOTEIO EIO 154#define ERESTARTSYS 512 /* Same value as Linux. */ 155 156#define KTR_DRM KTR_DEV 157#define KTR_DRM_REG KTR_SPARE3 158 159#define DRM_AGP_KERN struct agp_info 160#define DRM_AGP_MEM void 161 162#define PCI_VENDOR_ID_APPLE 0x106b 163#define PCI_VENDOR_ID_ASUSTEK 0x1043 164#define PCI_VENDOR_ID_ATI 0x1002 165#define PCI_VENDOR_ID_DELL 0x1028 166#define PCI_VENDOR_ID_HP 0x103c 167#define PCI_VENDOR_ID_IBM 0x1014 168#define PCI_VENDOR_ID_INTEL 0x8086 169#define PCI_VENDOR_ID_SERVERWORKS 0x1166 170#define PCI_VENDOR_ID_SONY 0x104d 171#define PCI_VENDOR_ID_VIA 0x1106 172 173#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) 174#define hweight32(i) bitcount32(i) 175 176static inline unsigned long 177roundup_pow_of_two(unsigned long x) 178{ 179 180 return (1UL << flsl(x - 1)); 181} 182 183/** 184 * ror32 - rotate a 32-bit value right 185 * @word: value to rotate 186 * @shift: bits to roll 187 * 188 * Source: include/linux/bitops.h 189 */ 190static inline uint32_t 191ror32(uint32_t word, unsigned int shift) 192{ 193 194 return (word >> shift) | (word << (32 - shift)); 195} 196 197#define IS_ALIGNED(x, y) (((x) & ((y) - 1)) == 0) 198#define get_unaligned(ptr) \ 199 ({ __typeof__(*(ptr)) __tmp; \ 200 memcpy(&__tmp, (ptr), sizeof(*(ptr))); __tmp; }) 201 202#if _BYTE_ORDER == _LITTLE_ENDIAN 203/* Taken from linux/include/linux/unaligned/le_struct.h. */ 204struct __una_u32 { u32 x; } __packed; 205 206static inline u32 207__get_unaligned_cpu32(const void *p) 208{ 209 const struct __una_u32 *ptr = (const struct __una_u32 *)p; 210 211 return (ptr->x); 212} 213 214static inline u32 215get_unaligned_le32(const void *p) 216{ 217 218 return (__get_unaligned_cpu32((const u8 *)p)); 219} 220#else 221/* Taken from linux/include/linux/unaligned/le_byteshift.h. */ 222static inline u32 223__get_unaligned_le32(const u8 *p) 224{ 225 226 return (p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24); 227} 228 229static inline u32 230get_unaligned_le32(const void *p) 231{ 232 233 return (__get_unaligned_le32((const u8 *)p)); 234} 235#endif 236 237static inline unsigned long 238ilog2(unsigned long x) 239{ 240 241 return (flsl(x) - 1); 242} 243 244static inline int64_t 245abs64(int64_t x) 246{ 247 248 return (x < 0 ? -x : x); 249} 250 251int64_t timeval_to_ns(const struct timeval *tv); 252struct timeval ns_to_timeval(const int64_t nsec); 253 254#define PAGE_ALIGN(addr) round_page(addr) 255 256#define drm_get_device_from_kdev(_kdev) (((struct drm_minor *)(_kdev)->si_drv1)->dev) 257 258#define DRM_IOC_VOID IOC_VOID 259#define DRM_IOC_READ IOC_OUT 260#define DRM_IOC_WRITE IOC_IN 261#define DRM_IOC_READWRITE IOC_INOUT 262#define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size) 263 264static inline long 265__copy_to_user(void __user *to, const void *from, unsigned long n) 266{ 267 return (copyout(from, to, n) != 0 ? n : 0); 268} 269#define copy_to_user(to, from, n) __copy_to_user((to), (from), (n)) 270 271static inline int 272__put_user(size_t size, void *ptr, void *x) 273{ 274 275 size = copy_to_user(ptr, x, size); 276 277 return (size ? -EFAULT : size); 278} 279#define put_user(x, ptr) __put_user(sizeof(*ptr), (ptr), &(x)) 280 281static inline unsigned long 282__copy_from_user(void *to, const void __user *from, unsigned long n) 283{ 284 return ((copyin(__DECONST(void *, from), to, n) != 0 ? n : 0)); 285} 286#define copy_from_user(to, from, n) __copy_from_user((to), (from), (n)) 287 288static inline int 289__get_user(size_t size, const void *ptr, void *x) 290{ 291 292 size = copy_from_user(x, ptr, size); 293 294 return (size ? -EFAULT : size); 295} 296#define get_user(x, ptr) __get_user(sizeof(*ptr), (ptr), &(x)) 297 298#define sigemptyset(set) SIGEMPTYSET(set) 299#define sigaddset(set, sig) SIGADDSET(set, sig) 300 301#define DRM_LOCK(dev) sx_xlock(&(dev)->dev_struct_lock) 302#define DRM_UNLOCK(dev) sx_xunlock(&(dev)->dev_struct_lock) 303 304#define jiffies ticks 305#define jiffies_to_msecs(x) (((int64_t)(x)) * 1000 / hz) 306#define msecs_to_jiffies(x) (((int64_t)(x)) * hz / 1000) 307#define time_after(a,b) ((long)(b) - (long)(a) < 0) 308#define time_after_eq(a,b) ((long)(b) - (long)(a) <= 0) 309 310#define wake_up(queue) wakeup((void *)queue) 311#define wake_up_interruptible(queue) wakeup((void *)queue) 312 313MALLOC_DECLARE(DRM_MEM_DMA); 314MALLOC_DECLARE(DRM_MEM_SAREA); 315MALLOC_DECLARE(DRM_MEM_DRIVER); 316MALLOC_DECLARE(DRM_MEM_MAGIC); 317MALLOC_DECLARE(DRM_MEM_MINOR); 318MALLOC_DECLARE(DRM_MEM_IOCTLS); 319MALLOC_DECLARE(DRM_MEM_MAPS); 320MALLOC_DECLARE(DRM_MEM_BUFS); 321MALLOC_DECLARE(DRM_MEM_SEGS); 322MALLOC_DECLARE(DRM_MEM_PAGES); 323MALLOC_DECLARE(DRM_MEM_FILES); 324MALLOC_DECLARE(DRM_MEM_QUEUES); 325MALLOC_DECLARE(DRM_MEM_CMDS); 326MALLOC_DECLARE(DRM_MEM_MAPPINGS); 327MALLOC_DECLARE(DRM_MEM_BUFLISTS); 328MALLOC_DECLARE(DRM_MEM_AGPLISTS); 329MALLOC_DECLARE(DRM_MEM_CTXBITMAP); 330MALLOC_DECLARE(DRM_MEM_SGLISTS); 331MALLOC_DECLARE(DRM_MEM_MM); 332MALLOC_DECLARE(DRM_MEM_HASHTAB); 333MALLOC_DECLARE(DRM_MEM_KMS); 334MALLOC_DECLARE(DRM_MEM_VBLANK); 335 336#define simple_strtol(a, b, c) strtol((a), (b), (c)) 337 338typedef struct drm_pci_id_list 339{ 340 int vendor; 341 int device; 342 long driver_private; 343 char *name; 344} drm_pci_id_list_t; 345 346#ifdef __i386__ 347#define CONFIG_X86 1 348#endif 349#ifdef __amd64__ 350#define CONFIG_X86 1 351#define CONFIG_X86_64 1 352#endif 353#ifdef __ia64__ 354#define CONFIG_IA64 1 355#endif 356 357#if defined(__i386__) || defined(__amd64__) 358#define CONFIG_ACPI 359#endif 360 361#define CONFIG_AGP 1 362#define CONFIG_MTRR 1 363 364#define CONFIG_FB 1 365extern const char *fb_mode_option; 366 367#define EXPORT_SYMBOL(x) 368#define MODULE_AUTHOR(author) 369#define MODULE_DESCRIPTION(desc) 370#define MODULE_LICENSE(license) 371#define MODULE_PARM_DESC(name, desc) 372#define module_param_named(name, var, type, perm) 373 374#define printk printf 375#define KERN_DEBUG "" 376 377struct fb_info * framebuffer_alloc(void); 378void framebuffer_release(struct fb_info *info); 379 380#define KIB_NOTYET() \ 381do { \ 382 if (drm_debug && drm_notyet) \ 383 printf("NOTYET: %s at %s:%d\n", __func__, __FILE__, __LINE__); \ 384} while (0) 385 386#endif /* _DRM_OS_FREEBSD_H_ */ 387