freebsd-dev/sys/dev/drm2/drm_os_freebsd.h
Aleksandr Rybalko 27cf7d04ef Merge VT(9) project (a.k.a. newcons).
Reviewed by:	nwhitehorn
MFC_to_10_after:	re approval

Sponsored by:	The FreeBSD Foundation
2013-12-05 22:38:53 +00:00

147 lines
3.8 KiB
C

/**
* \file drm_os_freebsd.h
* OS abstraction macros.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/fbio.h>
#if _BYTE_ORDER == _BIG_ENDIAN
#define __BIG_ENDIAN 4321
#else
#define __LITTLE_ENDIAN 1234
#endif
#define cpu_to_le16(x) htole16(x)
#define le16_to_cpu(x) le16toh(x)
#define cpu_to_le32(x) htole32(x)
#define le32_to_cpu(x) le32toh(x)
#define cpu_to_be16(x) htobe16(x)
#define be16_to_cpu(x) be16toh(x)
#define cpu_to_be32(x) htobe32(x)
#define be32_to_cpu(x) be32toh(x)
#define be32_to_cpup(x) be32toh(*x)
typedef vm_paddr_t dma_addr_t;
typedef uint64_t u64;
typedef uint32_t u32;
typedef uint16_t u16;
typedef uint8_t u8;
typedef int64_t s64;
typedef int32_t s32;
typedef int16_t s16;
typedef int8_t s8;
typedef int32_t __be32;
#define unlikely(x) __builtin_expect(!!(x), 0)
#define likely(x) __builtin_expect(!!(x), 1)
#define container_of(ptr, type, member) ({ \
__typeof( ((type *)0)->member ) *__mptr = (ptr); \
(type *)( (char *)__mptr - offsetof(type,member) );})
#define DRM_HZ hz
#define DRM_UDELAY(udelay) DELAY(udelay)
#define DRM_MDELAY(msecs) do { int loops = (msecs); \
while (loops--) DELAY(1000); \
} while (0)
#define DRM_MSLEEP(msecs) drm_msleep((msecs), "drm_msleep")
#define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */
#define do_div(a, b) ((a) /= (b))
#define lower_32_bits(n) ((u32)(n))
#define min_t(type, x, y) ({ \
type __min1 = (x); \
type __min2 = (y); \
__min1 < __min2 ? __min1 : __min2; })
#define max_t(type, x, y) ({ \
type __max1 = (x); \
type __max2 = (y); \
__max1 > __max2 ? __max1 : __max2; })
#define memset_io(a, b, c) memset((a), (b), (c))
#define memcpy_fromio(a, b, c) memcpy((a), (b), (c))
#define memcpy_toio(a, b, c) memcpy((a), (b), (c))
/* XXXKIB what is the right code for the FreeBSD ? */
/* kib@ used ENXIO here -- dumbbell@ */
#define EREMOTEIO EIO
#define ERESTARTSYS ERESTART
#define KTR_DRM KTR_DEV
#define KTR_DRM_REG KTR_SPARE3
#define PCI_VENDOR_ID_APPLE 0x106b
#define PCI_VENDOR_ID_ASUSTEK 0x1043
#define PCI_VENDOR_ID_ATI 0x1002
#define PCI_VENDOR_ID_DELL 0x1028
#define PCI_VENDOR_ID_HP 0x103c
#define PCI_VENDOR_ID_IBM 0x1014
#define PCI_VENDOR_ID_INTEL 0x8086
#define PCI_VENDOR_ID_SERVERWORKS 0x1166
#define PCI_VENDOR_ID_SONY 0x104d
#define PCI_VENDOR_ID_VIA 0x1106
#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
#define hweight32(i) bitcount32(i)
static inline unsigned long
roundup_pow_of_two(unsigned long x)
{
return (1UL << flsl(x - 1));
}
/**
* ror32 - rotate a 32-bit value right
* @word: value to rotate
* @shift: bits to roll
*
* Source: include/linux/bitops.h
*/
static inline uint32_t ror32(uint32_t word, unsigned int shift)
{
return (word >> shift) | (word << (32 - shift));
}
#define IS_ALIGNED(x, y) (((x) & ((y) - 1)) == 0)
#define get_unaligned(ptr) \
({ __typeof__(*(ptr)) __tmp; \
memcpy(&__tmp, (ptr), sizeof(*(ptr))); __tmp; })
#if _BYTE_ORDER == _LITTLE_ENDIAN
/* Taken from linux/include/linux/unaligned/le_struct.h. */
struct __una_u32 { u32 x; } __packed;
static inline u32 __get_unaligned_cpu32(const void *p)
{
const struct __una_u32 *ptr = (const struct __una_u32 *)p;
return ptr->x;
}
static inline u32 get_unaligned_le32(const void *p)
{
return __get_unaligned_cpu32((const u8 *)p);
}
#else
/* Taken from linux/include/linux/unaligned/le_byteshift.h. */
static inline u32 __get_unaligned_le32(const u8 *p)
{
return p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24;
}
static inline u32 get_unaligned_le32(const void *p)
{
return __get_unaligned_le32((const u8 *)p);
}
#endif
#define KIB_NOTYET() \
do { \
if (drm_debug_flag && drm_notyet_flag) \
printf("NOTYET: %s at %s:%d\n", __func__, __FILE__, __LINE__); \
} while (0)