/** * \file drm_os_freebsd.h * OS abstraction macros. */ #include #ifndef _DRM_OS_FREEBSD_H_ #define _DRM_OS_FREEBSD_H_ #include #include #if _BYTE_ORDER == _BIG_ENDIAN #define __BIG_ENDIAN 4321 #else #define __LITTLE_ENDIAN 1234 #endif #ifdef __LP64__ #define BITS_PER_LONG 64 #else #define BITS_PER_LONG 32 #endif #ifndef __user #define __user #endif #ifndef __iomem #define __iomem #endif #ifndef __always_unused #define __always_unused #endif #ifndef __must_check #define __must_check #endif #ifndef __force #define __force #endif #ifndef uninitialized_var #define uninitialized_var(x) x #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 vm_paddr_t resource_size_t; #define wait_queue_head_t atomic_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 uint16_t __le16; typedef uint32_t __le32; typedef uint64_t __le64; typedef uint16_t __be16; typedef uint32_t __be32; typedef uint64_t __be64; #define DRM_IRQ_ARGS void *arg typedef void irqreturn_t; #define IRQ_HANDLED /* nothing */ #define IRQ_NONE /* nothing */ #define __init #define __exit #define BUILD_BUG_ON(x) CTASSERT(!(x)) #define BUILD_BUG_ON_NOT_POWER_OF_2(x) #ifndef WARN #define WARN(condition, format, ...) ({ \ int __ret_warn_on = !!(condition); \ if (unlikely(__ret_warn_on)) \ DRM_ERROR(format, ##__VA_ARGS__); \ unlikely(__ret_warn_on); \ }) #endif #define WARN_ONCE(condition, format, ...) \ WARN(condition, format, ##__VA_ARGS__) #define WARN_ON(cond) WARN(cond, "WARN ON: " #cond) #define WARN_ON_SMP(cond) WARN_ON(cond) #define BUG() panic("BUG") #define BUG_ON(cond) KASSERT(!(cond), ("BUG ON: " #cond " -> 0x%jx", (uintmax_t)(cond))) #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 KHZ2PICOS(a) (1000000000UL/(a)) #define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) #define HZ hz #define DRM_HZ hz #define DRM_CURRENTPID curthread->td_proc->p_pid #define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0) #define udelay(usecs) DELAY(usecs) #define mdelay(msecs) do { int loops = (msecs); \ while (loops--) DELAY(1000); \ } while (0) #define DRM_UDELAY(udelay) DELAY(udelay) #define drm_msleep(x, msg) pause((msg), ((int64_t)(x)) * hz / 1000) #define DRM_MSLEEP(msecs) drm_msleep((msecs), "drm_msleep") #define get_seconds() time_second #define ioread8(addr) *(volatile uint8_t *)((char *)addr) #define ioread16(addr) *(volatile uint16_t *)((char *)addr) #define ioread32(addr) *(volatile uint32_t *)((char *)addr) #define iowrite8(data, addr) *(volatile uint8_t *)((char *)addr) = data; #define iowrite16(data, addr) *(volatile uint16_t *)((char *)addr) = data; #define iowrite32(data, addr) *(volatile uint32_t *)((char *)addr) = data; #define DRM_READ8(map, offset) \ *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \ (vm_offset_t)(offset)) #define DRM_READ16(map, offset) \ le16toh(*(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \ (vm_offset_t)(offset))) #define DRM_READ32(map, offset) \ le32toh(*(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \ (vm_offset_t)(offset))) #define DRM_READ64(map, offset) \ le64toh(*(volatile u_int64_t *)(((vm_offset_t)(map)->handle) + \ (vm_offset_t)(offset))) #define DRM_WRITE8(map, offset, val) \ *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \ (vm_offset_t)(offset)) = val #define DRM_WRITE16(map, offset, val) \ *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \ (vm_offset_t)(offset)) = htole16(val) #define DRM_WRITE32(map, offset, val) \ *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \ (vm_offset_t)(offset)) = htole32(val) #define DRM_WRITE64(map, offset, val) \ *(volatile u_int64_t *)(((vm_offset_t)(map)->handle) + \ (vm_offset_t)(offset)) = htole64(val) #if !defined(__arm__) #if defined(__i386__) || defined(__amd64__) || defined(__powerpc__) || defined(__aarch64__) #define DRM_MSG "This code is deprecated. Install the graphics/drm-kmod pkg\n" #else #define DRM_MSG "This code is deprecated." #endif #define DRM_OBSOLETE(dev) \ do { \ device_printf(dev, "=======================================================\n"); \ device_printf(dev, DRM_MSG); \ device_printf(dev, "=======================================================\n"); \ gone_in_dev(dev, 13, "drm2 drivers"); \ } while (0) #endif /* __arm__ */ /* DRM_READMEMORYBARRIER() prevents reordering of reads. * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. * DRM_MEMORYBARRIER() prevents reordering of reads and writes. */ #define DRM_READMEMORYBARRIER() rmb() #define DRM_WRITEMEMORYBARRIER() wmb() #define DRM_MEMORYBARRIER() mb() #define smp_rmb() rmb() #define smp_wmb() wmb() #define smp_mb__before_atomic_inc() mb() #define smp_mb__after_atomic_inc() mb() #define barrier() __compiler_membar() #define do_div(a, b) ((a) /= (b)) #define div64_u64(a, b) ((a) / (b)) #define lower_32_bits(n) ((u32)(n)) #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) #define __set_bit(n, s) set_bit((n), (s)) #define __clear_bit(n, s) clear_bit((n), (s)) #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)) #define VERIFY_READ VM_PROT_READ #define VERIFY_WRITE VM_PROT_WRITE #define access_ok(prot, p, l) useracc((p), (l), (prot)) /* XXXKIB what is the right code for the FreeBSD ? */ /* kib@ used ENXIO here -- dumbbell@ */ #define EREMOTEIO EIO #define ERESTARTSYS 512 /* Same value as Linux. */ #define KTR_DRM KTR_DEV #define KTR_DRM_REG KTR_SPARE3 #define DRM_AGP_KERN struct agp_info #define DRM_AGP_MEM void #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 DIV_ROUND_CLOSEST(n,d) (((n) + (d) / 2) / (d)) #define div_u64(n, d) ((n) / (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 round_down(x, y) rounddown2((x), (y)) #define round_up(x, y) roundup2((x), (y)) #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 static inline unsigned long ilog2(unsigned long x) { return (flsl(x) - 1); } int64_t timeval_to_ns(const struct timeval *tv); struct timeval ns_to_timeval(const int64_t nsec); #define PAGE_ALIGN(addr) round_page(addr) #define page_to_phys(x) VM_PAGE_TO_PHYS(x) #define offset_in_page(x) ((x) & PAGE_MASK) #define drm_get_device_from_kdev(_kdev) (((struct drm_minor *)(_kdev)->si_drv1)->dev) #define DRM_IOC_VOID IOC_VOID #define DRM_IOC_READ IOC_OUT #define DRM_IOC_WRITE IOC_IN #define DRM_IOC_READWRITE IOC_INOUT #define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size) static inline long __copy_to_user(void __user *to, const void *from, unsigned long n) { return (copyout(from, to, n) != 0 ? n : 0); } #define copy_to_user(to, from, n) __copy_to_user((to), (from), (n)) static inline int __put_user(size_t size, void *ptr, void *x) { size = copy_to_user(ptr, x, size); return (size ? -EFAULT : size); } #define put_user(x, ptr) __put_user(sizeof(*ptr), (ptr), &(x)) static inline unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n) { return ((copyin(__DECONST(void *, from), to, n) != 0 ? n : 0)); } #define copy_from_user(to, from, n) __copy_from_user((to), (from), (n)) static inline int __get_user(size_t size, const void *ptr, void *x) { size = copy_from_user(x, ptr, size); return (size ? -EFAULT : size); } #define get_user(x, ptr) __get_user(sizeof(*ptr), (ptr), &(x)) static inline int __copy_to_user_inatomic(void __user *to, const void *from, unsigned n) { return (copyout_nofault(from, to, n) != 0 ? n : 0); } #define __copy_to_user_inatomic_nocache(to, from, n) \ __copy_to_user_inatomic((to), (from), (n)) static inline unsigned long __copy_from_user_inatomic(void *to, const void __user *from, unsigned long n) { /* * XXXKIB. Equivalent Linux function is implemented using * MOVNTI for aligned moves. For unaligned head and tail, * normal move is performed. As such, it is not incorrect, if * only somewhat slower, to use normal copyin. All uses * except shmem_pwrite_fast() have the destination mapped WC. */ return ((copyin_nofault(__DECONST(void *, from), to, n) != 0 ? n : 0)); } #define __copy_from_user_inatomic_nocache(to, from, n) \ __copy_from_user_inatomic((to), (from), (n)) static inline int fault_in_multipages_readable(const char __user *uaddr, int size) { char c; int ret = 0; const char __user *end = uaddr + size - 1; if (unlikely(size == 0)) return ret; while (uaddr <= end) { ret = -copyin(uaddr, &c, 1); if (ret != 0) return -EFAULT; uaddr += PAGE_SIZE; } /* Check whether the range spilled into the next page. */ if (((unsigned long)uaddr & ~PAGE_MASK) == ((unsigned long)end & ~PAGE_MASK)) { ret = -copyin(end, &c, 1); } return ret; } static inline int fault_in_multipages_writeable(char __user *uaddr, int size) { int ret = 0; char __user *end = uaddr + size - 1; if (unlikely(size == 0)) return ret; /* * Writing zeroes into userspace here is OK, because we know that if * the zero gets there, we'll be overwriting it. */ while (uaddr <= end) { ret = subyte(uaddr, 0); if (ret != 0) return -EFAULT; uaddr += PAGE_SIZE; } /* Check whether the range spilled into the next page. */ if (((unsigned long)uaddr & ~PAGE_MASK) == ((unsigned long)end & ~PAGE_MASK)) ret = subyte(end, 0); return ret; } enum __drm_capabilities { CAP_SYS_ADMIN }; static inline bool capable(enum __drm_capabilities cap) { switch (cap) { case CAP_SYS_ADMIN: return DRM_SUSER(curthread); default: panic("%s: unhandled capability: %0x", __func__, cap); return (false); } } #define to_user_ptr(x) ((void *)(uintptr_t)(x)) #define sigemptyset(set) SIGEMPTYSET(set) #define sigaddset(set, sig) SIGADDSET(set, sig) #define DRM_LOCK(dev) sx_xlock(&(dev)->dev_struct_lock) #define DRM_UNLOCK(dev) sx_xunlock(&(dev)->dev_struct_lock) extern unsigned long drm_linux_timer_hz_mask; #define jiffies ticks #define jiffies_to_msecs(x) (((int64_t)(x)) * 1000 / hz) #define msecs_to_jiffies(x) (((int64_t)(x)) * hz / 1000) #define timespec_to_jiffies(x) (((x)->tv_sec * 1000000 + (x)->tv_nsec) * hz / 1000000) #define time_after(a,b) ((long)(b) - (long)(a) < 0) #define time_after_eq(a,b) ((long)(b) - (long)(a) <= 0) #define round_jiffies(j) ((unsigned long)(((j) + drm_linux_timer_hz_mask) & ~drm_linux_timer_hz_mask)) #define round_jiffies_up(j) round_jiffies(j) /* TODO */ #define round_jiffies_up_relative(j) round_jiffies_up(j) /* TODO */ #define getrawmonotonic(ts) getnanouptime(ts) #define wake_up(queue) wakeup_one((void *)queue) #define wake_up_interruptible(queue) wakeup_one((void *)queue) #define wake_up_all(queue) wakeup((void *)queue) #define wake_up_interruptible_all(queue) wakeup((void *)queue) struct completion { unsigned int done; struct mtx lock; }; #define INIT_COMPLETION(c) ((c).done = 0); static inline void init_completion(struct completion *c) { mtx_init(&c->lock, "drmcompl", NULL, MTX_DEF); c->done = 0; } static inline void free_completion(struct completion *c) { mtx_destroy(&c->lock); } static inline void complete_all(struct completion *c) { mtx_lock(&c->lock); c->done++; mtx_unlock(&c->lock); wakeup(c); } static inline long wait_for_completion_interruptible_timeout(struct completion *c, unsigned long timeout) { unsigned long start_jiffies, elapsed_jiffies; bool timeout_expired = false, awakened = false; long ret = timeout; start_jiffies = ticks; mtx_lock(&c->lock); while (c->done == 0 && !timeout_expired) { ret = -msleep(c, &c->lock, PCATCH, "drmwco", timeout); switch(ret) { case -EWOULDBLOCK: timeout_expired = true; ret = 0; break; case -EINTR: case -ERESTART: ret = -ERESTARTSYS; break; case 0: awakened = true; break; } } mtx_unlock(&c->lock); if (awakened) { elapsed_jiffies = ticks - start_jiffies; ret = timeout > elapsed_jiffies ? timeout - elapsed_jiffies : 1; } return (ret); } MALLOC_DECLARE(DRM_MEM_DMA); MALLOC_DECLARE(DRM_MEM_SAREA); MALLOC_DECLARE(DRM_MEM_DRIVER); MALLOC_DECLARE(DRM_MEM_MAGIC); MALLOC_DECLARE(DRM_MEM_MINOR); MALLOC_DECLARE(DRM_MEM_IOCTLS); MALLOC_DECLARE(DRM_MEM_MAPS); MALLOC_DECLARE(DRM_MEM_BUFS); MALLOC_DECLARE(DRM_MEM_SEGS); MALLOC_DECLARE(DRM_MEM_PAGES); MALLOC_DECLARE(DRM_MEM_FILES); MALLOC_DECLARE(DRM_MEM_QUEUES); MALLOC_DECLARE(DRM_MEM_CMDS); MALLOC_DECLARE(DRM_MEM_MAPPINGS); MALLOC_DECLARE(DRM_MEM_BUFLISTS); MALLOC_DECLARE(DRM_MEM_AGPLISTS); MALLOC_DECLARE(DRM_MEM_CTXBITMAP); MALLOC_DECLARE(DRM_MEM_SGLISTS); MALLOC_DECLARE(DRM_MEM_MM); MALLOC_DECLARE(DRM_MEM_HASHTAB); MALLOC_DECLARE(DRM_MEM_KMS); MALLOC_DECLARE(DRM_MEM_VBLANK); #define simple_strtol(a, b, c) strtol((a), (b), (c)) typedef struct drm_pci_id_list { int vendor; int device; long driver_private; char *name; } drm_pci_id_list_t; #ifdef __i386__ #define CONFIG_X86 1 #endif #ifdef __amd64__ #define CONFIG_X86 1 #define CONFIG_X86_64 1 #endif #ifdef __ia64__ #define CONFIG_IA64 1 #endif #if defined(__i386__) || defined(__amd64__) #define CONFIG_ACPI #define CONFIG_DRM_I915_KMS #undef CONFIG_INTEL_IOMMU #endif #ifdef COMPAT_FREEBSD32 #define CONFIG_COMPAT #endif #ifndef __arm__ #define CONFIG_AGP 1 #define CONFIG_MTRR 1 #endif #define CONFIG_FB 1 extern const char *fb_mode_option; #undef CONFIG_DEBUG_FS #undef CONFIG_VGA_CONSOLE #define EXPORT_SYMBOL(x) #define EXPORT_SYMBOL_GPL(x) #define MODULE_AUTHOR(author) #define MODULE_DESCRIPTION(desc) #define MODULE_LICENSE(license) #define MODULE_PARM_DESC(name, desc) #define MODULE_DEVICE_TABLE(name, list) #define module_param_named(name, var, type, perm) #define printk printf #define pr_err DRM_ERROR #define pr_warn DRM_WARNING #define pr_warn_once DRM_WARNING #define KERN_DEBUG "" /* I2C compatibility. */ #define I2C_M_RD IIC_M_RD #define I2C_M_WR IIC_M_WR #define I2C_M_NOSTART IIC_M_NOSTART struct fb_info * framebuffer_alloc(void); void framebuffer_release(struct fb_info *info); #define console_lock() #define console_unlock() #define console_trylock() true #define PM_EVENT_SUSPEND 0x0002 #define PM_EVENT_QUIESCE 0x0008 #define PM_EVENT_PRETHAW PM_EVENT_QUIESCE typedef struct pm_message { int event; } pm_message_t; static inline int pci_read_config_byte(device_t kdev, int where, u8 *val) { *val = (u8)pci_read_config(kdev, where, 1); return (0); } static inline int pci_write_config_byte(device_t kdev, int where, u8 val) { pci_write_config(kdev, where, val, 1); return (0); } static inline int pci_read_config_word(device_t kdev, int where, uint16_t *val) { *val = (uint16_t)pci_read_config(kdev, where, 2); return (0); } static inline int pci_write_config_word(device_t kdev, int where, uint16_t val) { pci_write_config(kdev, where, val, 2); return (0); } static inline int pci_read_config_dword(device_t kdev, int where, uint32_t *val) { *val = (uint32_t)pci_read_config(kdev, where, 4); return (0); } static inline int pci_write_config_dword(device_t kdev, int where, uint32_t val) { pci_write_config(kdev, where, val, 4); return (0); } static inline void on_each_cpu(void callback(void *data), void *data, int wait) { smp_rendezvous(NULL, callback, NULL, data); } void hex_dump_to_buffer(const void *buf, size_t len, int rowsize, int groupsize, char *linebuf, size_t linebuflen, bool ascii); #define KIB_NOTYET() \ do { \ if (drm_debug && drm_notyet) \ printf("NOTYET: %s at %s:%d\n", __func__, __FILE__, __LINE__); \ } while (0) #endif /* _DRM_OS_FREEBSD_H_ */