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path: root/bsd/drm_os_freebsd.h
AgeCommit message (Expand)Author
2004-08-17Merged drmfntbl-0-0-1Dave Airlie
2004-08-13Enable MTRR usage on AMD64, and use DELAY() instead of rolling our ownEric Anholt
2004-07-29add read/write 16Dave Airlie
2004-07-06MFC as of 20040705: dev_t -> struct cdev * change.Eric Anholt
2004-05-11Merge from FreeBSD-current. Mostly 64-bit cleanliness fixes, but a fewEric Anholt
2004-05-09Add mach64 DRM module for BSD (untested, but compiles).Eric Anholt
2003-11-12Fix a locking nit, and add asserts in some things that should be calledEric Anholt
2003-11-05Args for the BSD DRM_PUT_USER_UNCHECKED were swapped.Eric Anholt
2003-11-04Memory layout transition:Michel Daenzer
2003-10-27Add a DRM_PUT_USER_UNCHECKED, which will be used by an upcoming radeonEric Anholt
2003-10-22- Add DRM_GET_PRIV_WITH_RETURN macro. This can be used in shared code toEric Anholt
2003-10-20Fix the possibility of sleeping with locks held in sysctls by copying theEric Anholt
2003-10-20Clean up BSD MTRR handling. The NetBSD code is untested, but it's my bestEric Anholt
2003-10-19- SMPng lock the DRM. This is only partial -- there are a few code pathsEric Anholt
2003-10-17- Converted Linux drivers to initialize DRM instances based on PCI IDs, notEric Anholt
2003-10-03Stylistic preparation for SMPng locking work: DRM_LOCK/DRM_UNLOCK have sideEric Anholt
2003-10-02Wrap sys/endian.h usage with __FreeBSD_version >= 480000.Eric Anholt
2003-10-02MTRR issue with SMP and -stable seems to be resolved. Re-enable MTRRs onEric Anholt
2003-09-09Use spldrm/splx around tsleep() in DRM_WAIT_ONKeith Whitwell
2003-09-07Fix for older -stable.Eric Anholt
2003-08-29This PCI header has been living in dev/pci/ for a while now.Eric Anholt
2003-08-19- Remove $FreeBSD$ tags as they weren't too useful and merges are now beingEric Anholt
2003-08-12Merge from FreeBSD r1.11: We have memset in the kernel, no need to defineEric Anholt
2003-07-29IRQ code cleanup suggested by Linus TorvaldsMichel Daenzer
2003-07-26Fix FreeBSD build after IRQ changes.Eric Anholt
2003-07-25Compile fixes for recent 2.5/2.6 Linux kernels. I hope this doesn't breakMichel Daenzer
2003-04-27Use real endian conversion functions.Eric Anholt
2003-04-26Fix formatting of hw.dri sysctl.Eric Anholt
2003-04-26Remove the map argument from DRM_*MEMORYBARRIER. Not all of the uses ofEric Anholt
2003-04-26Missed files in the last commit: Remove memory debugging sysctl unlessEric Anholt
2003-04-26Replace the C atomic_cmpset_int compatibility function for -stable with theEric Anholt
2003-04-26Disable MTRRs on FreeBSD-stable. Without this, it hangs on boot in the MTRREric Anholt
2003-04-25Merge from FreeBSD-current.Eric Anholt
2003-04-24Remove a bunch of dead code and fix spelling of a couple of comments.Eric Anholt
2003-04-24Remove DRM_DMA_HISTOGRAM and associated code.Eric Anholt
2003-04-24Make DRM(read) and DRM(poll) stubs and remove DRM(write) andEric Anholt
2003-03-29Add DRMFILE definitions and supply filp for BSD in theEric Anholt
2003-03-11Merge back from FreeBSD-current, adding FreeBSD ID tags to aid futureEric Anholt
2003-03-08Make dma_addr_t an unsigned long not a uint32, don't try to use memrangeEric Anholt
2003-03-05Remove a paste-o in DRM_SPINUNINIT and add a volatile to the compatibilityEric Anholt
2003-03-04DRM_FREE/2 patch from Philip BrownKeith Whitwell
2003-02-21Merge from bsd-4-0-0-branch.Eric Anholt
2003-01-24Fix build on -current: Provide M_WAITOK define.Eric Anholt
2002-10-14Fix reversed test that broke vblank waiting on FreeBSD.Eric Anholt
2002-09-29Make our set_bit and friends match linux better (cleans up some warnings)Eric Anholt
2002-09-29Fix some of my silliness in DRM_WAIT_ON (not returning EINTR).Eric Anholt
2002-09-29Move os-dependent stuff out of radeon_irq.cKeith Whitwell
2002-09-26BSD vblank framework.Eric Anholt
2002-09-23merged r200-0-2-branch to trunkKeith Whitwell
2002-08-21Remove drm_linux.h, move the two useful defines into drm_drv.h (the onlyEric Anholt
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-19 02:15:54 +0000
span class="hl opt">; priv->dev = dev; priv->ioctl_count = 0; priv->authenticated = capable(CAP_SYS_ADMIN); down(&dev->struct_sem); if (!dev->file_last) { priv->next = NULL; priv->prev = NULL; dev->file_first = priv; dev->file_last = priv; } else { priv->next = NULL; priv->prev = dev->file_last; dev->file_last->next = priv; dev->file_last = priv; } up(&dev->struct_sem); return 0; } int drm_flush(struct file *filp) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; DRM_DEBUG("pid = %d, device = 0x%x, open_count = %d\n", current->pid, dev->device, dev->open_count); return 0; } /* drm_release is called whenever a process closes /dev/drm*. Linux calls this only if any mappings have been closed. */ int drm_release(struct inode *inode, struct file *filp) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; DRM_DEBUG("pid = %d, device = 0x%x, open_count = %d\n", current->pid, dev->device, dev->open_count); if (dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) && dev->lock.pid == current->pid) { DRM_ERROR("Process %d dead, freeing lock for context %d\n", current->pid, _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); drm_lock_free(dev, &dev->lock.hw_lock->lock, _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); /* FIXME: may require heavy-handed reset of hardware at this point, possibly processed via a callback to the X server. */ } drm_reclaim_buffers(dev, priv->pid); drm_fasync(-1, filp, 0); down(&dev->struct_sem); if (priv->prev) priv->prev->next = priv->next; else dev->file_first = priv->next; if (priv->next) priv->next->prev = priv->prev; else dev->file_last = priv->prev; up(&dev->struct_sem); drm_free(priv, sizeof(*priv), DRM_MEM_FILES); return 0; } int drm_fasync(int fd, struct file *filp, int on) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; int retcode; DRM_DEBUG("fd = %d, device = 0x%x\n", fd, dev->device); retcode = fasync_helper(fd, filp, on, &dev->buf_async); if (retcode < 0) return retcode; return 0; } /* The drm_read and drm_write_string code (especially that which manages the circular buffer), is based on Alessandro Rubini's LINUX DEVICE DRIVERS (Cambridge: O'Reilly, 1998), pages 111-113. */ ssize_t drm_read(struct file *filp, char *buf, size_t count, loff_t *off) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; int left; int avail; int send; int cur; DRM_DEBUG("%p, %p\n", dev->buf_rp, dev->buf_wp); while (dev->buf_rp == dev->buf_wp) { DRM_DEBUG(" sleeping\n"); if (filp->f_flags & O_NONBLOCK) { return -EAGAIN; } interruptible_sleep_on(&dev->buf_readers); if (signal_pending(current)) { DRM_DEBUG(" interrupted\n"); return -ERESTARTSYS; } DRM_DEBUG(" awake\n"); } left = (dev->buf_rp + DRM_BSZ - dev->buf_wp) % DRM_BSZ; avail = DRM_BSZ - left; send = DRM_MIN(avail, count); while (send) { if (dev->buf_wp > dev->buf_rp) { cur = DRM_MIN(send, dev->buf_wp - dev->buf_rp); } else { cur = DRM_MIN(send, dev->buf_end - dev->buf_rp); } if (copy_to_user(buf, dev->buf_rp, cur)) return -EFAULT; dev->buf_rp += cur; if (dev->buf_rp == dev->buf_end) dev->buf_rp = dev->buf; send -= cur; } wake_up_interruptible(&dev->buf_writers); return DRM_MIN(avail, count);; } int drm_write_string(drm_device_t *dev, const char *s) { int left = (dev->buf_rp + DRM_BSZ - dev->buf_wp) % DRM_BSZ; int send = strlen(s); int count; DRM_DEBUG("%d left, %d to send (%p, %p)\n", left, send, dev->buf_rp, dev->buf_wp); if (left == 1 || dev->buf_wp != dev->buf_rp) { DRM_ERROR("Buffer not empty (%d left, wp = %p, rp = %p)\n", left, dev->buf_wp, dev->buf_rp); } while (send) { if (dev->buf_wp >= dev->buf_rp) { count = DRM_MIN(send, dev->buf_end - dev->buf_wp); if (count == left) --count; /* Leave a hole */ } else { count = DRM_MIN(send, dev->buf_rp - dev->buf_wp - 1); } strncpy(dev->buf_wp, s, count); dev->buf_wp += count; if (dev->buf_wp == dev->buf_end) dev->buf_wp = dev->buf; send -= count; } #if LINUX_VERSION_CODE < 0x020315 && !defined(KILLFASYNCHASTHREEPARAMETERS) /* The extra parameter to kill_fasync was added in 2.3.21, and is _not_ present in _stock_ 2.2.14 and 2.2.15. However, some distributions patch 2.2.x kernels to add this parameter. The Makefile.linux attempts to detect this addition and defines KILLFASYNCHASTHREEPARAMETERS if three parameters are found. */ if (dev->buf_async) kill_fasync(dev->buf_async, SIGIO); #else /* Parameter added in 2.3.21. */ #if LINUX_VERSION_CODE < 0x020400 if (dev->buf_async) kill_fasync(dev->buf_async, SIGIO, POLL_IN); #else /* Type of first parameter changed in Linux 2.4.0-test2... */ if (dev->buf_async) kill_fasync(&dev->buf_async, SIGIO, POLL_IN); #endif #endif DRM_DEBUG("waking\n"); wake_up_interruptible(&dev->buf_readers); return 0; } unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; poll_wait(filp, &dev->buf_readers, wait); if (dev->buf_wp != dev->buf_rp) return POLLIN | POLLRDNORM; return 0; }
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