diff options
Diffstat (limited to 'sys/dev/drm/drm_os_freebsd.h')
| -rw-r--r-- | sys/dev/drm/drm_os_freebsd.h | 487 |
1 files changed, 0 insertions, 487 deletions
diff --git a/sys/dev/drm/drm_os_freebsd.h b/sys/dev/drm/drm_os_freebsd.h deleted file mode 100644 index c2fafad..0000000 --- a/sys/dev/drm/drm_os_freebsd.h +++ /dev/null @@ -1,487 +0,0 @@ -/** - * \file drm_os_freebsd.h - * OS-specific #defines for FreeBSD - * - * \author Eric Anholt <anholt@FreeBSD.org> - */ - -/*- - * Copyright 2003 Eric Anholt - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * $FreeBSD$ - */ - -#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 - -#include "dev/drm/drm_linux_list.h" - -#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) /* Time slice for GLXContexts */ - -#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) -#define DRM_DEV_UID 0 -#define DRM_DEV_GID 0 - -#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 -/* There is no need for locking on FreeBSD 4.x. Synchronization is handled by - * the fact that there is no reentrancy of the kernel except for interrupt - * handlers, and the interrupt handler synchronization is managed by spls. - */ -#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 - -/* Currently our DRMFILE (filp) is a void * which is actually the pid - * of the current process. It should be a per-open unique pointer, but - * code for that is not yet written */ -#define DRMFILE void * -#define DRM_IOCTL_ARGS struct cdev *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 /* nothing */ -#define IRQ_NONE /* nothing */ -#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) ) - -/* Read/write from bus space, with byteswapping to le if necessary */ -#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_READ8(map, offset) bus_space_read_1( (map)->iot, (map)->ioh, (offset) ) -#define DRM_READ32(map, offset) bus_space_read_4( (map)->iot, (map)->ioh, (offset) ) -#define DRM_WRITE8(map, offset, val) bus_space_write_1( (map)->iot, (map)->ioh, (offset), (val) ) -#define DRM_WRITE32(map, offset, val) bus_space_write_4( (map)->iot, (map)->ioh, (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)(intptr_t)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_DEBUG("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) -/* Macros for userspace access with checking readability once */ -/* FIXME: can't find equivalent functionality for nocheck yet. - * It'll be slower than linux, but should be correct. - */ -#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) = fuword32(uaddr), 0) -#define DRM_PUT_USER_UNCHECKED(uaddr, val) \ - suword32(uaddr, val) - -/* DRM_READMEMORYBARRIER() prevents reordering of reads. - * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. - * DRM_MEMORYBARRIER() prevents reordering of reads and writes. - */ -#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(); -#elif defined(__amd64__) -//#warning FIX-ME!!! -#define DRM_READMEMORYBARRIER() __asm __volatile("lfence" ::: "memory"); -#define DRM_WRITEMEMORYBARRIER() __asm __volatile("sfence" ::: "memory"); -#define DRM_MEMORYBARRIER() __asm __volatile("mfence" ::: "memory"); -#endif - -#define PAGE_ALIGN(addr) round_page(addr) - -#ifndef M_WAITOK /* M_WAITOK (=0) name removed in -current */ -#define M_WAITOK 0 -#endif - -#define malloctype DRM(M_DRM) -/* The macros conflicted in the MALLOC_DEFINE */ -MALLOC_DECLARE(malloctype); -#undef malloctype - -#if __FreeBSD_version < 502109 -#define bus_alloc_resource_any(dev, type, rid, flags) \ - bus_alloc_resource(dev, type, rid, 0ul, ~0ul, 1, flags) -#endif - -#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) - -/* Fake this */ - -#if __FreeBSD_version < 500000 -/* The extra atomic functions from 5.0 haven't been merged to 4.x */ -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) /* 0 (result) */ - : "r" (src), /* 1 */ - "m" (*(dst)) /* 2 */ - : "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() - -/* - * Fake out the module macros for versions of FreeBSD where they don't - * exist. - */ -#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 - -/* Redefinitions to make templating easy */ -#define wait_queue_head_t atomic_t -#define agp_memory void -#define jiffies ticks - - /* Macros to make printf easier */ -#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) - - -/* Internal functions */ - -/* drm_drv.h */ -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)(struct cdev *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); - -/* sysctl support (drm_sysctl.h) */ -extern int DRM(sysctl_init)(drm_device_t *dev); -extern int DRM(sysctl_cleanup)(drm_device_t *dev); - -/* Memory info sysctl (drm_memory_debug.h) */ -#ifdef DEBUG_MEMORY -extern int DRM(mem_info) DRM_SYSCTL_HANDLER_ARGS; -#endif |
