#include <sys/param.h>
#include <sys/queue.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/stat.h>
#include <sys/proc.h>
#include <sys/lock.h>
#include <sys/fcntl.h>
#include <sys/uio.h>
#include <sys/filio.h>
#include <sys/sysctl.h>
#include <sys/bus.h>
#include <sys/signalvar.h>
#include <sys/poll.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <vm/vm_extern.h>
#include <vm/vm_map.h>
#include <vm/vm_param.h>
#include <machine/param.h>
#include <machine/pmap.h>
#include <machine/bus.h>
#include <machine/resource.h>
#if __FreeBSD_version >= 480000
#include <sys/endian.h>
#endif
#include <sys/mman.h>
#include <sys/rman.h>
#include <sys/memrange.h>
#if __FreeBSD_version >= 500000
#include <dev/pci/pcivar.h>
#include <sys/selinfo.h>
#else
#include <pci/pcivar.h>
#include <sys/select.h>
#endif
#include <sys/bus.h>
#if __FreeBSD_version >= 400005
#include <sys/taskqueue.h>
#endif
#if __FreeBSD_version >= 500000
#include <sys/mutex.h>
#endif
#if __FreeBSD_version >= 400006
#define __REALLY_HAVE_AGP __HAVE_AGP
#endif
#ifdef __i386__
#define __REALLY_HAVE_MTRR (__HAVE_MTRR) && (__FreeBSD_version >= 460000)
#else
#define __REALLY_HAVE_MTRR 0
#endif
#define __REALLY_HAVE_SG (__HAVE_SG)
#if __REALLY_HAVE_AGP
#include <pci/agpvar.h>
#include <sys/agpio.h>
#endif
#include <opt_drm.h>
#if DRM_DEBUG
#undef DRM_DEBUG_CODE
#define DRM_DEBUG_CODE 2
#endif
#undef DRM_DEBUG
#if DRM_LINUX
#include <sys/file.h>
#include <sys/proc.h>
#include <machine/../linux/linux.h>
#include <machine/../linux/linux_proto.h>
#endif
#define DRM_TIME_SLICE (hz/20)
#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
#define DRM_DEV_UID 0
#define DRM_DEV_GID 0
#define CDEV_MAJOR 145
#if __FreeBSD_version >= 500000
#define DRM_CURPROC curthread
#define DRM_STRUCTPROC struct thread
#define DRM_SPINTYPE struct mtx
#define DRM_SPININIT(l,name) mtx_init(&l, name, NULL, MTX_DEF)
#define DRM_SPINUNINIT(l) mtx_destroy(&l)
#define DRM_SPINLOCK(l) mtx_lock(l)
#define DRM_SPINUNLOCK(u) mtx_unlock(u);
#define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED)
#define DRM_CURRENTPID curthread->td_proc->p_pid
#define DRM_LOCK() mtx_lock(&dev->dev_lock)
#define DRM_UNLOCK() mtx_unlock(&dev->dev_lock)
#else
#define DRM_CURPROC curproc
#define DRM_STRUCTPROC struct proc
#define DRM_SPINTYPE
#define DRM_SPININIT(l,name)
#define DRM_SPINUNINIT(l)
#define DRM_SPINLOCK(l)
#define DRM_SPINUNLOCK(u)
#define DRM_SPINLOCK_ASSERT(l)
#define DRM_CURRENTPID curproc->p_pid
#define DRM_LOCK()
#define DRM_UNLOCK()
#endif
#define DRMFILE void *
#define DRM_IOCTL_ARGS dev_t kdev, u_long cmd, caddr_t data, int flags, DRM_STRUCTPROC *p, DRMFILE filp
#define DRM_SUSER(p) suser(p)
#define DRM_TASKQUEUE_ARGS void *arg, int pending
#define DRM_IRQ_ARGS void *arg
typedef void irqreturn_t;
#define IRQ_HANDLED
#define IRQ_NONE
#define DRM_DEVICE drm_device_t *dev = kdev->si_drv1
#define DRM_MALLOC(size) malloc( size, DRM(M_DRM), M_NOWAIT )
#define DRM_FREE(pt,size) free( pt, DRM(M_DRM) )
#define DRM_READ8(map, offset) *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset))
#define DRM_READ32(map, offset) *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset))
#define DRM_WRITE8(map, offset, val) *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) = val
#define DRM_WRITE32(map, offset, val) *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) = val
#define DRM_AGP_FIND_DEVICE() agp_find_device()
#define DRM_ERR(v) v
#define DRM_MTRR_WC MDF_WRITECOMBINE
#define DRM_GET_PRIV_WITH_RETURN(_priv, _filp) \
do { \
if (_filp != (DRMFILE)DRM_CURRENTPID) { \
DRM_ERROR("filp doesn't match curproc\n"); \
return EINVAL; \
} \
DRM_LOCK(); \
_priv = DRM(find_file_by_proc)(dev, DRM_CURPROC); \
DRM_UNLOCK(); \
if (_priv == NULL) { \
DRM_ERROR("can't find authenticator\n"); \
return EINVAL; \
} \
} while (0)
#define LOCK_TEST_WITH_RETURN(dev, filp) \
do { \
if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \
dev->lock.filp != filp) { \
DRM_ERROR("%s called without lock held\n", \
__FUNCTION__); \
return EINVAL; \
} \
} while (0)
#define DRM_UDELAY( udelay ) \
do { \
struct timeval tv1, tv2; \
microtime(&tv1); \
do { \
microtime(&tv2); \
} \
while (((tv2.tv_sec-tv1.tv_sec)*1000000 + tv2.tv_usec - tv1.tv_usec) < udelay ); \
} while (0)
#define DRM_GETSAREA() \
do { \
drm_map_list_entry_t *listentry; \
TAILQ_FOREACH(listentry, dev->maplist, link) { \
drm_local_map_t *map = listentry->map; \
if (map->type == _DRM_SHM && \
map->flags & _DRM_CONTAINS_LOCK) { \
dev_priv->sarea = map; \
break; \
} \
} \
} while (0)
#define DRM_HZ hz
#if defined(__FreeBSD__) && __FreeBSD_version > 500000
#define DRM_WAIT_ON( ret, queue, timeout, condition ) \
for ( ret = 0 ; !ret && !(condition) ; ) { \
mtx_lock(&dev->irq_lock); \
if (!(condition)) \
ret = msleep(&(queue), &dev->irq_lock, \
PZERO | PCATCH, "drmwtq", (timeout)); \
mtx_unlock(&dev->irq_lock); \
}
#else
#define DRM_WAIT_ON( ret, queue, timeout, condition ) \
for ( ret = 0 ; !ret && !(condition) ; ) { \
int s = spldrm(); \
if (!(condition)) \
ret = tsleep( &(queue), PZERO | PCATCH, \
"drmwtq", (timeout) ); \
splx(s); \
}
#endif
#define DRM_WAKEUP( queue ) wakeup( queue )
#define DRM_WAKEUP_INT( queue ) wakeup( queue )
#define DRM_INIT_WAITQUEUE( queue ) do {} while (0)
#define DRM_COPY_TO_USER_IOCTL(user, kern, size) \
if ( IOCPARM_LEN(cmd) != size) \
return EINVAL; \
*user = kern;
#define DRM_COPY_FROM_USER_IOCTL(kern, user, size) \
if ( IOCPARM_LEN(cmd) != size) \
return EINVAL; \
kern = *user;
#define DRM_COPY_TO_USER(user, kern, size) \
copyout(kern, user, size)
#define DRM_COPY_FROM_USER(kern, user, size) \
copyin(user, kern, size)
#define DRM_VERIFYAREA_READ( uaddr, size ) \
(!useracc((caddr_t)uaddr, size, VM_PROT_READ))
#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \
copyin(arg2, arg1, arg3)
#define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \
copyout(arg2, arg1, arg3)
#define DRM_GET_USER_UNCHECKED(val, uaddr) \
((val) = fuword(uaddr), 0)
#define DRM_PUT_USER_UNCHECKED(uaddr, val) \
suword(uaddr, val)
#if defined(__i386__)
#define DRM_READMEMORYBARRIER() __asm __volatile( \
"lock; addl $0,0(%%esp)" : : : "memory");
#define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory");
#define DRM_MEMORYBARRIER() __asm __volatile( \
"lock; addl $0,0(%%esp)" : : : "memory");
#elif defined(__alpha__)
#define DRM_READMEMORYBARRIER() alpha_mb();
#define DRM_WRITEMEMORYBARRIER() alpha_wmb();
#define DRM_MEMORYBARRIER() alpha_mb();
#endif
#define PAGE_ALIGN(addr) round_page(addr)
#ifndef M_WAITOK
#define M_WAITOK 0
#endif
#define malloctype DRM(M_DRM)
MALLOC_DECLARE(malloctype);
#undef malloctype
#if __FreeBSD_version >= 480000
#define cpu_to_le32(x) htole32(x)
#define le32_to_cpu(x) le32toh(x)
#else
#define cpu_to_le32(x) (x)
#define le32_to_cpu(x) (x)
#endif
typedef unsigned long dma_addr_t;
typedef u_int32_t atomic_t;
typedef u_int32_t u32;
typedef u_int16_t u16;
typedef u_int8_t u8;
#define atomic_set(p, v) (*(p) = (v))
#define atomic_read(p) (*(p))
#define atomic_inc(p) atomic_add_int(p, 1)
#define atomic_dec(p) atomic_subtract_int(p, 1)
#define atomic_add(n, p) atomic_add_int(p, n)
#define atomic_sub(n, p) atomic_subtract_int(p, n)
#if __FreeBSD_version < 500000
static __inline int
atomic_cmpset_int(volatile u_int *dst, u_int exp, u_int src)
{
int res = exp;
__asm __volatile (
" lock ; "
" cmpxchgl %1,%2 ; "
" setz %%al ; "
" movzbl %%al,%0 ; "
"1: "
"# atomic_cmpset_int"
: "+a" (res)
: "r" (src),
"m" (*(dst))
: "memory");
return (res);
}
#endif
static __inline atomic_t
test_and_set_bit(int b, volatile void *p)
{
int s = splhigh();
unsigned int m = 1<<b;
unsigned int r = *(volatile int *)p & m;
*(volatile int *)p |= m;
splx(s);
return r;
}
static __inline void
clear_bit(int b, volatile void *p)
{
atomic_clear_int(((volatile int *)p) + (b >> 5), 1 << (b & 0x1f));
}
static __inline void
set_bit(int b, volatile void *p)
{
atomic_set_int(((volatile int *)p) + (b >> 5), 1 << (b & 0x1f));
}
static __inline int
test_bit(int b, volatile void *p)
{
return ((volatile int *)p)[b >> 5] & (1 << (b & 0x1f));
}
static __inline int
find_first_zero_bit(volatile void *p, int max)
{
int b;
for (b = 0; b < max; b += 32) {
if (((volatile int *)p)[b >> 5] != ~0) {
for (;;) {
if ((((volatile int *)p)[b >> 5] & (1 << (b & 0x1f))) == 0)
return b;
b++;
}
}
}
return max;
}
#define spldrm() spltty()
#if (__FreeBSD_version < 500002 && __FreeBSD_version > 500000) || __FreeBSD_version < 420000
#define MODULE_VERSION(a,b) struct __hack
#define MODULE_DEPEND(a,b,c,d,e) struct __hack
#endif
#define wait_queue_head_t atomic_t
#define agp_memory void
#define jiffies ticks
#define DRM_ERROR(fmt, arg...) \
printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \
DRM_CURRENTPID, __func__ , ## arg)
#define DRM_MEM_ERROR(area, fmt, arg...) \
printf("error: [" DRM_NAME ":pid%d:%s:%s] *ERROR* " fmt, \
DRM_CURRENTPID , __func__, DRM(mem_stats)[area].name , ##arg)
#define DRM_INFO(fmt, arg...) printf("info: [" DRM_NAME "] " fmt , ## arg)
#if DRM_DEBUG_CODE
#define DRM_DEBUG(fmt, arg...) \
do { \
if (DRM(flags) & DRM_FLAG_DEBUG) \
printf("[" DRM_NAME ":pid%d:%s] " fmt, \
DRM_CURRENTPID, __func__ , ## arg); \
} while (0)
#else
#define DRM_DEBUG(fmt, arg...) do { } while (0)
#endif
#if (__FreeBSD_version >= 500000) || ((__FreeBSD_version < 500000) && (__FreeBSD_version >= 410002))
#define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS)
#else
#define DRM_SYSCTL_HANDLER_ARGS SYSCTL_HANDLER_ARGS
#endif
#define DRM_FIND_MAP(dest, o) \
do { \
drm_map_list_entry_t *listentry; \
TAILQ_FOREACH(listentry, dev->maplist, link) { \
if ( listentry->map->offset == o ) { \
dest = listentry->map; \
break; \
} \
} \
} while (0)
extern d_ioctl_t DRM(ioctl);
extern d_open_t DRM(open);
extern d_close_t DRM(close);
extern d_read_t DRM(read);
extern d_poll_t DRM(poll);
extern d_mmap_t DRM(mmap);
extern int DRM(open_helper)(dev_t kdev, int flags, int fmt,
DRM_STRUCTPROC *p, drm_device_t *dev);
extern drm_file_t *DRM(find_file_by_proc)(drm_device_t *dev,
DRM_STRUCTPROC *p);
extern int DRM(sysctl_init)(drm_device_t *dev);
extern int DRM(sysctl_cleanup)(drm_device_t *dev);
#ifdef DEBUG_MEMORY
extern int DRM(mem_info) DRM_SYSCTL_HANDLER_ARGS;
#endif