diff options
Diffstat (limited to 'bsd/drm/ioctl.c')
| -rw-r--r-- | bsd/drm/ioctl.c | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/bsd/drm/ioctl.c b/bsd/drm/ioctl.c new file mode 100644 index 00000000..55bdeeda --- /dev/null +++ b/bsd/drm/ioctl.c @@ -0,0 +1,120 @@ +/* ioctl.c -- IOCTL processing for DRM -*- c -*- + * Created: Fri Jan 8 09:01:26 1999 by faith@precisioninsight.com + * Revised: Fri Aug 20 09:27:02 1999 by faith@precisioninsight.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * 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 + * PRECISION INSIGHT 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. + * + * $PI: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/ioctl.c,v 1.3 1999/08/30 13:05:00 faith Exp $ + * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/ioctl.c,v 1.1 1999/09/25 14:38:01 dawes Exp $ + * + */ + +#define __NO_VERSION__ +#include "drmP.h" +#include <sys/bus.h> +#include <pci/pcivar.h> + +int +drm_irq_busid(dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p) +{ + drm_irq_busid_t id; + devclass_t pci; + device_t bus, dev; + device_t *kids; + int error, i, num_kids; + + id = *(drm_irq_busid_t *) data; + pci = devclass_find("pci"); + if (!pci) + return ENOENT; + bus = devclass_get_device(pci, id.busnum); + if (!bus) + return ENOENT; + error = device_get_children(bus, &kids, &num_kids); + if (error) + return error; + + dev = 0; + for (i = 0; i < num_kids; i++) { + dev = kids[i]; + if (pci_get_slot(dev) == id.devnum + && pci_get_function(dev) == id.funcnum) + break; + } + + free(kids, M_TEMP); + + if (i != num_kids) + id.irq = pci_get_irq(dev); + else + id.irq = 0; + + DRM_DEBUG("%d:%d:%d => IRQ %d\n", + id.busnum, id.devnum, id.funcnum, id.irq); + *(drm_irq_busid_t *) data = id; + + return 0; +} + +int +drm_getunique(dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p) +{ + drm_device_t *dev = kdev->si_drv1; + drm_unique_t u; + int error; + + u = *(drm_unique_t *) data; + if (u.unique_len >= dev->unique_len) { + error = copyout(dev->unique, u.unique, dev->unique_len); + if (error) + return error; + } + u.unique_len = dev->unique_len; + *(drm_unique_t *) data = u; + return 0; +} + +int +drm_setunique(dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p) +{ + drm_device_t *dev = kdev->si_drv1; + drm_unique_t u; + int error; + + if (dev->unique_len || dev->unique) return EBUSY; + + u = *(drm_unique_t *) data; + + dev->unique_len = u.unique_len; + dev->unique = drm_alloc(u.unique_len + 1, DRM_MEM_DRIVER); + error = copyin(u.unique, dev->unique, dev->unique_len); + if (error) + return error; + dev->unique[dev->unique_len] = '\0'; + + dev->devname = drm_alloc(strlen(dev->name) + strlen(dev->unique) + 2, + DRM_MEM_DRIVER); + sprintf(dev->devname, "%s@%s", dev->name, dev->unique); + + return 0; +} |