drm_drv.c revision fca314aae8ba1403ba891f2b0e7a172bcdc055c8
60405de4d8688d96dd05157c28db3ade5c9bc234kz * drm_drv.h -- Generic driver template -*- linux-c -*-
60405de4d8688d96dd05157c28db3ade5c9bc234kz * Created: Thu Nov 23 03:10:50 2000 by gareth@valinux.com
60405de4d8688d96dd05157c28db3ade5c9bc234kz * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
60405de4d8688d96dd05157c28db3ade5c9bc234kz * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
60405de4d8688d96dd05157c28db3ade5c9bc234kz * All Rights Reserved.
60405de4d8688d96dd05157c28db3ade5c9bc234kz * Permission is hereby granted, free of charge, to any person obtaining a
60405de4d8688d96dd05157c28db3ade5c9bc234kz * copy of this software and associated documentation files (the "Software"),
60405de4d8688d96dd05157c28db3ade5c9bc234kz * to deal in the Software without restriction, including without limitation
60405de4d8688d96dd05157c28db3ade5c9bc234kz * the rights to use, copy, modify, merge, publish, distribute, sublicense,
60405de4d8688d96dd05157c28db3ade5c9bc234kz * and/or sell copies of the Software, and to permit persons to whom the
60405de4d8688d96dd05157c28db3ade5c9bc234kz * Software is furnished to do so, subject to the following conditions:
60405de4d8688d96dd05157c28db3ade5c9bc234kz * The above copyright notice and this permission notice (including the next
60405de4d8688d96dd05157c28db3ade5c9bc234kz * paragraph) shall be included in all copies or substantial portions of the
60405de4d8688d96dd05157c28db3ade5c9bc234kz * Software.
60405de4d8688d96dd05157c28db3ade5c9bc234kz * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
60405de4d8688d96dd05157c28db3ade5c9bc234kz * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
60405de4d8688d96dd05157c28db3ade5c9bc234kz * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
60405de4d8688d96dd05157c28db3ade5c9bc234kz * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
60405de4d8688d96dd05157c28db3ade5c9bc234kz * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
60405de4d8688d96dd05157c28db3ade5c9bc234kz * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
60405de4d8688d96dd05157c28db3ade5c9bc234kz * OTHER DEALINGS IN THE SOFTWARE.
60405de4d8688d96dd05157c28db3ade5c9bc234kz * Authors:
60405de4d8688d96dd05157c28db3ade5c9bc234kz * Rickard E. (Rik) Faith <faith@valinux.com>
60405de4d8688d96dd05157c28db3ade5c9bc234kz * Gareth Hughes <gareth@valinux.com>
d0538f66491267879b7418b21ad78e3dcc2dcc83cg * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
e92e3a8694f157faf8a9e44096a70ada86c556bfzw * Use is subject to license terms.
60405de4d8688d96dd05157c28db3ade5c9bc234kz#pragma ident "%Z%%M% %I% %E% SMI"
60405de4d8688d96dd05157c28db3ade5c9bc234kzdrm_set_ioctl_desc(int n, drm_ioctl_t *func, int auth_needed,
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_set_ioctl_desc(DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX),
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_set_ioctl_desc(DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX),
60405de4d8688d96dd05157c28db3ade5c9bc234kzconst char *
60405de4d8688d96dd05157c28db3ade5c9bc234kzdrm_find_description(int vendor, int device, drm_pci_id_list_t *idlist)
60405de4d8688d96dd05157c28db3ade5c9bc234kz int i = 0;
60405de4d8688d96dd05157c28db3ade5c9bc234kz return ((char *)NULL);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg /* prebuild the SAREA */
d0538f66491267879b7418b21ad78e3dcc2dcc83cg if (retval != 0) {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg DRM_DEBUG("drm_firstopen: use_agp=%d", dev->driver->use_agp);
d0538f66491267879b7418b21ad78e3dcc2dcc83cg if (retval != 0) {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg DRM_ERROR("drm_firstopen: driver-specific firstopen failed");
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (i != 0)
60405de4d8688d96dd05157c28db3ade5c9bc234kz return (i);
60405de4d8688d96dd05157c28db3ade5c9bc234kz for (i = 0; i < DRM_HASH_SIZE; i++) {
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (0);
60405de4d8688d96dd05157c28db3ade5c9bc234kz/* Free resources associated with the DRM on the last close. */
60405de4d8688d96dd05157c28db3ade5c9bc234kz drm_free(dev->unique, dev->unique_len + 1, DRM_MEM_DRIVER);
60405de4d8688d96dd05157c28db3ade5c9bc234kz /* Clear pid list */
60405de4d8688d96dd05157c28db3ade5c9bc234kz for (i = 0; i < DRM_HASH_SIZE; i++) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz /* Clear AGP information */
60405de4d8688d96dd05157c28db3ade5c9bc234kz * Remove AGP resources, but leave dev->agp
60405de4d8688d96dd05157c28db3ade5c9bc234kz * intact until drm_cleanup is called.
60405de4d8688d96dd05157c28db3ade5c9bc234kz /* Clean up maps that weren't set up by the driver. */
60405de4d8688d96dd05157c28db3ade5c9bc234kz return (0);
60405de4d8688d96dd05157c28db3ade5c9bc234kz mutex_init(&(dev->lock.lock_mutex), NULL, MUTEX_DRIVER, NULL);
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (retcode != 0) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (retcode != 0) {
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_ERROR("drm_load: Cannot allocate memory for ctx bitmap");
d0538f66491267879b7418b21ad78e3dcc2dcc83cg return (0);
60405de4d8688d96dd05157c28db3ade5c9bc234kz/* called when cleanup this module */
60405de4d8688d96dd05157c28db3ade5c9bc234kzstatic void
60405de4d8688d96dd05157c28db3ade5c9bc234kz/*ARGSUSED*/
fca314aae8ba1403ba891f2b0e7a172bcdc055c8cgdrm_open(drm_device_t *dev, drm_cminor_t *mp, int openflags,
fca314aae8ba1403ba891f2b0e7a172bcdc055c8cg retcode = drm_open_helper(dev, mp, openflags, otyp, credp);
60405de4d8688d96dd05157c28db3ade5c9bc234kz/*ARGSUSED*/
fca314aae8ba1403ba891f2b0e7a172bcdc055c8cgdrm_close(drm_device_t *dev, int minor, int flag, int otyp,
60405de4d8688d96dd05157c28db3ade5c9bc234kz * Begin inline drm_release
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_DEBUG("Process %d dead, freeing lock for context %d",
d0538f66491267879b7418b21ad78e3dcc2dcc83cg } else if (dev->driver->reclaim_buffers_locked != NULL &&
60405de4d8688d96dd05157c28db3ade5c9bc234kz "retake lock not implemented yet");
60405de4d8688d96dd05157c28db3ade5c9bc234kz /* XXX Fix domain number (alpha hoses) */
60405de4d8688d96dd05157c28db3ade5c9bc234kz DRM_DEBUG("drm_get_businfo: pci bus: %d, pci slot :%d pci func %d",
60405de4d8688d96dd05157c28db3ade5c9bc234kz const char *s = NULL;
60405de4d8688d96dd05157c28db3ade5c9bc234kz if (s != NULL) {