Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /** |
| 2 | * \file drm_stub.h |
| 3 | * Stub support |
| 4 | * |
| 5 | * \author Rickard E. (Rik) Faith <faith@valinux.com> |
| 6 | */ |
| 7 | |
| 8 | /* |
| 9 | * Created: Fri Jan 19 10:48:35 2001 by faith@acm.org |
| 10 | * |
| 11 | * Copyright 2001 VA Linux Systems, Inc., Sunnyvale, California. |
| 12 | * All Rights Reserved. |
| 13 | * |
| 14 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 15 | * copy of this software and associated documentation files (the "Software"), |
| 16 | * to deal in the Software without restriction, including without limitation |
| 17 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 18 | * and/or sell copies of the Software, and to permit persons to whom the |
| 19 | * Software is furnished to do so, subject to the following conditions: |
| 20 | * |
| 21 | * The above copyright notice and this permission notice (including the next |
| 22 | * paragraph) shall be included in all copies or substantial portions of the |
| 23 | * Software. |
| 24 | * |
| 25 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 26 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 27 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 28 | * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 29 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 30 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| 31 | * DEALINGS IN THE SOFTWARE. |
| 32 | */ |
| 33 | |
| 34 | #include <linux/module.h> |
| 35 | #include <linux/moduleparam.h> |
| 36 | #include "drmP.h" |
| 37 | #include "drm_core.h" |
| 38 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 39 | unsigned int drm_debug = 0; /* 1 to enable debug output */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | EXPORT_SYMBOL(drm_debug); |
| 41 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 42 | MODULE_AUTHOR(CORE_AUTHOR); |
| 43 | MODULE_DESCRIPTION(CORE_DESC); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | MODULE_LICENSE("GPL and additional rights"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | MODULE_PARM_DESC(debug, "Enable debug output"); |
| 46 | |
Dave Jones | c075814 | 2005-10-03 15:02:20 -0400 | [diff] [blame] | 47 | module_param_named(debug, drm_debug, int, 0600); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 48 | |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 49 | struct idr drm_minors_idr; |
| 50 | |
Greg Kroah-Hartman | 0650fd5 | 2006-01-20 14:08:59 -0800 | [diff] [blame] | 51 | struct class *drm_class; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | struct proc_dir_entry *drm_proc_root; |
Ben Gamari | 955b12d | 2009-02-17 20:08:49 -0500 | [diff] [blame] | 53 | struct dentry *drm_debugfs_root; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 55 | static int drm_minor_get_id(struct drm_device *dev, int type) |
| 56 | { |
| 57 | int new_id; |
| 58 | int ret; |
| 59 | int base = 0, limit = 63; |
| 60 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 61 | if (type == DRM_MINOR_CONTROL) { |
| 62 | base += 64; |
| 63 | limit = base + 127; |
| 64 | } else if (type == DRM_MINOR_RENDER) { |
| 65 | base += 128; |
| 66 | limit = base + 255; |
| 67 | } |
| 68 | |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 69 | again: |
| 70 | if (idr_pre_get(&drm_minors_idr, GFP_KERNEL) == 0) { |
| 71 | DRM_ERROR("Out of memory expanding drawable idr\n"); |
| 72 | return -ENOMEM; |
| 73 | } |
| 74 | mutex_lock(&dev->struct_mutex); |
| 75 | ret = idr_get_new_above(&drm_minors_idr, NULL, |
| 76 | base, &new_id); |
| 77 | mutex_unlock(&dev->struct_mutex); |
| 78 | if (ret == -EAGAIN) { |
| 79 | goto again; |
| 80 | } else if (ret) { |
| 81 | return ret; |
| 82 | } |
| 83 | |
| 84 | if (new_id >= limit) { |
| 85 | idr_remove(&drm_minors_idr, new_id); |
| 86 | return -EINVAL; |
| 87 | } |
| 88 | return new_id; |
| 89 | } |
| 90 | |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 91 | struct drm_master *drm_master_create(struct drm_minor *minor) |
| 92 | { |
| 93 | struct drm_master *master; |
| 94 | |
| 95 | master = drm_calloc(1, sizeof(*master), DRM_MEM_DRIVER); |
| 96 | if (!master) |
| 97 | return NULL; |
| 98 | |
| 99 | kref_init(&master->refcount); |
| 100 | spin_lock_init(&master->lock.spinlock); |
| 101 | init_waitqueue_head(&master->lock.lock_queue); |
| 102 | drm_ht_create(&master->magiclist, DRM_MAGIC_HASH_ORDER); |
| 103 | INIT_LIST_HEAD(&master->magicfree); |
| 104 | master->minor = minor; |
| 105 | |
| 106 | list_add_tail(&master->head, &minor->master_list); |
| 107 | |
| 108 | return master; |
| 109 | } |
| 110 | |
| 111 | struct drm_master *drm_master_get(struct drm_master *master) |
| 112 | { |
| 113 | kref_get(&master->refcount); |
| 114 | return master; |
| 115 | } |
| 116 | |
| 117 | static void drm_master_destroy(struct kref *kref) |
| 118 | { |
| 119 | struct drm_master *master = container_of(kref, struct drm_master, refcount); |
| 120 | struct drm_magic_entry *pt, *next; |
| 121 | struct drm_device *dev = master->minor->dev; |
Dave Airlie | c1ff85d | 2009-01-19 17:17:58 +1000 | [diff] [blame] | 122 | struct drm_map_list *r_list, *list_temp; |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 123 | |
| 124 | list_del(&master->head); |
| 125 | |
| 126 | if (dev->driver->master_destroy) |
| 127 | dev->driver->master_destroy(dev, master); |
| 128 | |
Dave Airlie | c1ff85d | 2009-01-19 17:17:58 +1000 | [diff] [blame] | 129 | list_for_each_entry_safe(r_list, list_temp, &dev->maplist, head) { |
| 130 | if (r_list->master == master) { |
| 131 | drm_rmmap_locked(dev, r_list->map); |
| 132 | r_list = NULL; |
| 133 | } |
| 134 | } |
| 135 | |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 136 | if (master->unique) { |
Vegard Nossum | 1147c9c | 2008-12-02 13:38:47 +1000 | [diff] [blame] | 137 | drm_free(master->unique, master->unique_size, DRM_MEM_DRIVER); |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 138 | master->unique = NULL; |
| 139 | master->unique_len = 0; |
| 140 | } |
| 141 | |
| 142 | list_for_each_entry_safe(pt, next, &master->magicfree, head) { |
| 143 | list_del(&pt->head); |
| 144 | drm_ht_remove_item(&master->magiclist, &pt->hash_item); |
| 145 | drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC); |
| 146 | } |
| 147 | |
| 148 | drm_ht_remove(&master->magiclist); |
| 149 | |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 150 | drm_free(master, sizeof(*master), DRM_MEM_DRIVER); |
| 151 | } |
| 152 | |
| 153 | void drm_master_put(struct drm_master **master) |
| 154 | { |
| 155 | kref_put(&(*master)->refcount, drm_master_destroy); |
| 156 | *master = NULL; |
| 157 | } |
| 158 | |
| 159 | int drm_setmaster_ioctl(struct drm_device *dev, void *data, |
| 160 | struct drm_file *file_priv) |
| 161 | { |
Jonas Bonn | 6b00842 | 2009-04-16 09:00:02 +0200 | [diff] [blame] | 162 | if (file_priv->is_master) |
| 163 | return 0; |
| 164 | |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 165 | if (file_priv->minor->master && file_priv->minor->master != file_priv->master) |
| 166 | return -EINVAL; |
| 167 | |
| 168 | if (!file_priv->master) |
| 169 | return -EINVAL; |
| 170 | |
| 171 | if (!file_priv->minor->master && |
| 172 | file_priv->minor->master != file_priv->master) { |
| 173 | mutex_lock(&dev->struct_mutex); |
| 174 | file_priv->minor->master = drm_master_get(file_priv->master); |
Jonas Bonn | 6b00842 | 2009-04-16 09:00:02 +0200 | [diff] [blame] | 175 | file_priv->is_master = 1; |
Helge Bahmann | 5ad8b7d | 2009-03-04 21:49:14 +1000 | [diff] [blame] | 176 | mutex_unlock(&dev->struct_mutex); |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 177 | } |
| 178 | |
| 179 | return 0; |
| 180 | } |
| 181 | |
| 182 | int drm_dropmaster_ioctl(struct drm_device *dev, void *data, |
| 183 | struct drm_file *file_priv) |
| 184 | { |
Jonas Bonn | 6b00842 | 2009-04-16 09:00:02 +0200 | [diff] [blame] | 185 | if (!file_priv->is_master) |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 186 | return -EINVAL; |
Jonas Bonn | 6b00842 | 2009-04-16 09:00:02 +0200 | [diff] [blame] | 187 | |
Dave Airlie | 07f1c7a | 2009-04-20 09:32:50 +1000 | [diff] [blame^] | 188 | if (!file_priv->minor->master) |
| 189 | return -EINVAL; |
| 190 | |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 191 | mutex_lock(&dev->struct_mutex); |
| 192 | drm_master_put(&file_priv->minor->master); |
Jonas Bonn | 6b00842 | 2009-04-16 09:00:02 +0200 | [diff] [blame] | 193 | file_priv->is_master = 0; |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 194 | mutex_unlock(&dev->struct_mutex); |
| 195 | return 0; |
| 196 | } |
| 197 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 198 | static int drm_fill_in_dev(struct drm_device * dev, struct pci_dev *pdev, |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 199 | const struct pci_device_id *ent, |
| 200 | struct drm_driver *driver) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 201 | { |
| 202 | int retcode; |
| 203 | |
Dave Airlie | bd1b331 | 2007-05-26 05:01:51 +1000 | [diff] [blame] | 204 | INIT_LIST_HEAD(&dev->filelist); |
Dave Airlie | 7c158ac | 2007-07-11 12:05:36 +1000 | [diff] [blame] | 205 | INIT_LIST_HEAD(&dev->ctxlist); |
| 206 | INIT_LIST_HEAD(&dev->vmalist); |
| 207 | INIT_LIST_HEAD(&dev->maplist); |
| 208 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 209 | spin_lock_init(&dev->count_lock); |
=?utf-8?q?Michel_D=C3=A4nzer?= | bea5679 | 2006-10-24 23:04:19 +1000 | [diff] [blame] | 210 | spin_lock_init(&dev->drw_lock); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 211 | init_timer(&dev->timer); |
Dave Airlie | 30e2fb1 | 2006-02-02 19:37:46 +1100 | [diff] [blame] | 212 | mutex_init(&dev->struct_mutex); |
| 213 | mutex_init(&dev->ctxlist_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 214 | |
Dave Airlie | 45ea5dcd | 2007-07-17 14:20:07 +1000 | [diff] [blame] | 215 | idr_init(&dev->drw_idr); |
| 216 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 217 | dev->pdev = pdev; |
Eric Anholt | 2f02cc3 | 2006-09-22 04:19:34 +1000 | [diff] [blame] | 218 | dev->pci_device = pdev->device; |
| 219 | dev->pci_vendor = pdev->vendor; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 220 | |
| 221 | #ifdef __alpha__ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 222 | dev->hose = pdev->sysdata; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 223 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 224 | |
Thomas Hellstrom | 8d153f7 | 2006-08-07 22:36:47 +1000 | [diff] [blame] | 225 | if (drm_ht_create(&dev->map_hash, 12)) { |
Thomas Hellstrom | 8d153f7 | 2006-08-07 22:36:47 +1000 | [diff] [blame] | 226 | return -ENOMEM; |
| 227 | } |
Dave Airlie | 836cf04 | 2005-07-10 19:27:04 +1000 | [diff] [blame] | 228 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 229 | /* the DRM has 6 basic counters */ |
| 230 | dev->counters = 6; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 231 | dev->types[0] = _DRM_STAT_LOCK; |
| 232 | dev->types[1] = _DRM_STAT_OPENS; |
| 233 | dev->types[2] = _DRM_STAT_CLOSES; |
| 234 | dev->types[3] = _DRM_STAT_IOCTLS; |
| 235 | dev->types[4] = _DRM_STAT_LOCKS; |
| 236 | dev->types[5] = _DRM_STAT_UNLOCKS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 237 | |
| 238 | dev->driver = driver; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 239 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 240 | if (drm_core_has_AGP(dev)) { |
Dave Airlie | cda1738 | 2005-07-10 17:31:26 +1000 | [diff] [blame] | 241 | if (drm_device_is_agp(dev)) |
| 242 | dev->agp = drm_agp_init(dev); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 243 | if (drm_core_check_feature(dev, DRIVER_REQUIRE_AGP) |
| 244 | && (dev->agp == NULL)) { |
| 245 | DRM_ERROR("Cannot initialize the agpgart module.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 246 | retcode = -EINVAL; |
| 247 | goto error_out_unreg; |
| 248 | } |
| 249 | if (drm_core_has_MTRR(dev)) { |
| 250 | if (dev->agp) |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 251 | dev->agp->agp_mtrr = |
| 252 | mtrr_add(dev->agp->agp_info.aper_base, |
| 253 | dev->agp->agp_info.aper_size * |
| 254 | 1024 * 1024, MTRR_TYPE_WRCOMB, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 255 | } |
| 256 | } |
| 257 | |
Dave Airlie | 2716a02 | 2007-11-22 18:23:13 +1000 | [diff] [blame] | 258 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 259 | retcode = drm_ctxbitmap_init(dev); |
| 260 | if (retcode) { |
| 261 | DRM_ERROR("Cannot allocate memory for context bitmap.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 262 | goto error_out_unreg; |
| 263 | } |
| 264 | |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 265 | if (driver->driver_features & DRIVER_GEM) { |
| 266 | retcode = drm_gem_init(dev); |
| 267 | if (retcode) { |
| 268 | DRM_ERROR("Cannot initialize graphics execution " |
| 269 | "manager (GEM)\n"); |
| 270 | goto error_out_unreg; |
| 271 | } |
| 272 | } |
| 273 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 274 | return 0; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 275 | |
| 276 | error_out_unreg: |
Dave Airlie | 22eae94 | 2005-11-10 22:16:34 +1100 | [diff] [blame] | 277 | drm_lastclose(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 278 | return retcode; |
| 279 | } |
| 280 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 281 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 282 | /** |
| 283 | * Get a secondary minor number. |
| 284 | * |
| 285 | * \param dev device data structure |
| 286 | * \param sec-minor structure to hold the assigned minor |
| 287 | * \return negative number on failure. |
| 288 | * |
| 289 | * Search an empty entry and initialize it to the given parameters, and |
| 290 | * create the proc init entry via proc_init(). This routines assigns |
| 291 | * minor numbers to secondary heads of multi-headed cards |
| 292 | */ |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 293 | static int drm_get_minor(struct drm_device *dev, struct drm_minor **minor, int type) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 294 | { |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 295 | struct drm_minor *new_minor; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 296 | int ret; |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 297 | int minor_id; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 298 | |
| 299 | DRM_DEBUG("\n"); |
| 300 | |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 301 | minor_id = drm_minor_get_id(dev, type); |
| 302 | if (minor_id < 0) |
| 303 | return minor_id; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 304 | |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 305 | new_minor = kzalloc(sizeof(struct drm_minor), GFP_KERNEL); |
| 306 | if (!new_minor) { |
| 307 | ret = -ENOMEM; |
| 308 | goto err_idr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 309 | } |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 310 | |
| 311 | new_minor->type = type; |
| 312 | new_minor->device = MKDEV(DRM_MAJOR, minor_id); |
| 313 | new_minor->dev = dev; |
| 314 | new_minor->index = minor_id; |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 315 | INIT_LIST_HEAD(&new_minor->master_list); |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 316 | |
| 317 | idr_replace(&drm_minors_idr, new_minor, minor_id); |
| 318 | |
| 319 | if (type == DRM_MINOR_LEGACY) { |
| 320 | ret = drm_proc_init(new_minor, minor_id, drm_proc_root); |
| 321 | if (ret) { |
| 322 | DRM_ERROR("DRM: Failed to initialize /proc/dri.\n"); |
| 323 | goto err_mem; |
| 324 | } |
| 325 | } else |
Ben Gamari | 955b12d | 2009-02-17 20:08:49 -0500 | [diff] [blame] | 326 | new_minor->proc_root = NULL; |
| 327 | |
| 328 | #if defined(CONFIG_DEBUG_FS) |
| 329 | ret = drm_debugfs_init(new_minor, minor_id, drm_debugfs_root); |
| 330 | if (ret) { |
| 331 | DRM_ERROR("DRM: Failed to initialize /debugfs/dri.\n"); |
| 332 | goto err_g2; |
| 333 | } |
| 334 | #endif |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 335 | |
| 336 | ret = drm_sysfs_device_add(new_minor); |
| 337 | if (ret) { |
| 338 | printk(KERN_ERR |
| 339 | "DRM: Error sysfs_device_add.\n"); |
| 340 | goto err_g2; |
| 341 | } |
| 342 | *minor = new_minor; |
| 343 | |
| 344 | DRM_DEBUG("new minor assigned %d\n", minor_id); |
| 345 | return 0; |
| 346 | |
| 347 | |
| 348 | err_g2: |
| 349 | if (new_minor->type == DRM_MINOR_LEGACY) |
| 350 | drm_proc_cleanup(new_minor, drm_proc_root); |
| 351 | err_mem: |
| 352 | kfree(new_minor); |
| 353 | err_idr: |
| 354 | idr_remove(&drm_minors_idr, minor_id); |
| 355 | *minor = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 356 | return ret; |
| 357 | } |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 358 | |
Dave Airlie | c94f702 | 2005-07-07 21:03:38 +1000 | [diff] [blame] | 359 | /** |
| 360 | * Register. |
| 361 | * |
| 362 | * \param pdev - PCI device structure |
| 363 | * \param ent entry from the PCI ID table with device type flags |
| 364 | * \return zero on success or a negative number on failure. |
| 365 | * |
| 366 | * Attempt to gets inter module "drm" information. If we are first |
| 367 | * then register the character device and inter module information. |
| 368 | * Try and register, if we fail to register, backout previous work. |
| 369 | */ |
| 370 | int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 371 | struct drm_driver *driver) |
Dave Airlie | c94f702 | 2005-07-07 21:03:38 +1000 | [diff] [blame] | 372 | { |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 373 | struct drm_device *dev; |
Dave Airlie | c94f702 | 2005-07-07 21:03:38 +1000 | [diff] [blame] | 374 | int ret; |
| 375 | |
| 376 | DRM_DEBUG("\n"); |
| 377 | |
| 378 | dev = drm_calloc(1, sizeof(*dev), DRM_MEM_STUB); |
| 379 | if (!dev) |
| 380 | return -ENOMEM; |
| 381 | |
Jeff Garzik | 2c3f0ed | 2006-12-09 10:50:22 +1100 | [diff] [blame] | 382 | ret = pci_enable_device(pdev); |
| 383 | if (ret) |
| 384 | goto err_g1; |
Dave Airlie | c94f702 | 2005-07-07 21:03:38 +1000 | [diff] [blame] | 385 | |
Dave Airlie | 19a8f59a | 2008-02-07 14:48:32 +1000 | [diff] [blame] | 386 | pci_set_master(pdev); |
Dave Airlie | c94f702 | 2005-07-07 21:03:38 +1000 | [diff] [blame] | 387 | if ((ret = drm_fill_in_dev(dev, pdev, ent, driver))) { |
| 388 | printk(KERN_ERR "DRM: Fill_in_dev failed.\n"); |
Jeff Garzik | 2c3f0ed | 2006-12-09 10:50:22 +1100 | [diff] [blame] | 389 | goto err_g2; |
Dave Airlie | c94f702 | 2005-07-07 21:03:38 +1000 | [diff] [blame] | 390 | } |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 391 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 392 | if (drm_core_check_feature(dev, DRIVER_MODESET)) { |
Kristian Høgsberg | 112b715 | 2009-01-04 16:55:33 -0500 | [diff] [blame] | 393 | pci_set_drvdata(pdev, dev); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 394 | ret = drm_get_minor(dev, &dev->control, DRM_MINOR_CONTROL); |
| 395 | if (ret) |
| 396 | goto err_g2; |
| 397 | } |
| 398 | |
| 399 | if ((ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY))) |
| 400 | goto err_g3; |
| 401 | |
| 402 | if (dev->driver->load) { |
| 403 | ret = dev->driver->load(dev, ent->driver_data); |
| 404 | if (ret) |
Dave Airlie | a9d51a5 | 2008-12-07 12:02:21 +1000 | [diff] [blame] | 405 | goto err_g3; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 406 | } |
| 407 | |
| 408 | /* setup the grouping for the legacy output */ |
| 409 | if (drm_core_check_feature(dev, DRIVER_MODESET)) { |
| 410 | ret = drm_mode_group_init_legacy_group(dev, &dev->primary->mode_group); |
| 411 | if (ret) |
| 412 | goto err_g3; |
| 413 | } |
Dave Airlie | a9d51a5 | 2008-12-07 12:02:21 +1000 | [diff] [blame] | 414 | |
Dave Airlie | e7f7ab4 | 2008-11-28 13:43:47 +1000 | [diff] [blame] | 415 | list_add_tail(&dev->driver_item, &driver->device_list); |
| 416 | |
Benjamin Herrenschmidt | cd00f95 | 2009-02-06 16:46:27 +1100 | [diff] [blame] | 417 | DRM_INFO("Initialized %s %d.%d.%d %s for %s on minor %d\n", |
Dave Airlie | 22eae94 | 2005-11-10 22:16:34 +1100 | [diff] [blame] | 418 | driver->name, driver->major, driver->minor, driver->patchlevel, |
Benjamin Herrenschmidt | cd00f95 | 2009-02-06 16:46:27 +1100 | [diff] [blame] | 419 | driver->date, pci_name(pdev), dev->primary->index); |
Dave Airlie | c94f702 | 2005-07-07 21:03:38 +1000 | [diff] [blame] | 420 | |
| 421 | return 0; |
| 422 | |
Dave Airlie | a9d51a5 | 2008-12-07 12:02:21 +1000 | [diff] [blame] | 423 | err_g3: |
| 424 | drm_put_minor(&dev->primary); |
Jeff Garzik | 2c3f0ed | 2006-12-09 10:50:22 +1100 | [diff] [blame] | 425 | err_g2: |
| 426 | pci_disable_device(pdev); |
| 427 | err_g1: |
Dave Airlie | c94f702 | 2005-07-07 21:03:38 +1000 | [diff] [blame] | 428 | drm_free(dev, sizeof(*dev), DRM_MEM_STUB); |
| 429 | return ret; |
| 430 | } |
Kristian Høgsberg | 112b715 | 2009-01-04 16:55:33 -0500 | [diff] [blame] | 431 | EXPORT_SYMBOL(drm_get_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 432 | |
| 433 | /** |
| 434 | * Put a secondary minor number. |
| 435 | * |
| 436 | * \param sec_minor - structure to be released |
| 437 | * \return always zero |
| 438 | * |
| 439 | * Cleans up the proc resources. Not legal for this to be the |
| 440 | * last minor released. |
| 441 | * |
| 442 | */ |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 443 | int drm_put_minor(struct drm_minor **minor_p) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 444 | { |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 445 | struct drm_minor *minor = *minor_p; |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 446 | |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 447 | DRM_DEBUG("release secondary minor %d\n", minor->index); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 448 | |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 449 | if (minor->type == DRM_MINOR_LEGACY) |
| 450 | drm_proc_cleanup(minor, drm_proc_root); |
Ben Gamari | 955b12d | 2009-02-17 20:08:49 -0500 | [diff] [blame] | 451 | #if defined(CONFIG_DEBUG_FS) |
| 452 | drm_debugfs_cleanup(minor); |
| 453 | #endif |
| 454 | |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 455 | drm_sysfs_device_remove(minor); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 456 | |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 457 | idr_remove(&drm_minors_idr, minor->index); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 458 | |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 459 | kfree(minor); |
| 460 | *minor_p = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 461 | return 0; |
| 462 | } |
Kristian Høgsberg | 112b715 | 2009-01-04 16:55:33 -0500 | [diff] [blame] | 463 | |
| 464 | /** |
| 465 | * Called via drm_exit() at module unload time or when pci device is |
| 466 | * unplugged. |
| 467 | * |
| 468 | * Cleans up all DRM device, calling drm_lastclose(). |
| 469 | * |
| 470 | * \sa drm_init |
| 471 | */ |
| 472 | void drm_put_dev(struct drm_device *dev) |
| 473 | { |
| 474 | struct drm_driver *driver = dev->driver; |
| 475 | struct drm_map_list *r_list, *list_temp; |
| 476 | |
| 477 | DRM_DEBUG("\n"); |
| 478 | |
| 479 | if (!dev) { |
| 480 | DRM_ERROR("cleanup called no dev\n"); |
| 481 | return; |
| 482 | } |
| 483 | |
| 484 | drm_vblank_cleanup(dev); |
| 485 | |
| 486 | drm_lastclose(dev); |
| 487 | |
| 488 | if (drm_core_has_MTRR(dev) && drm_core_has_AGP(dev) && |
| 489 | dev->agp && dev->agp->agp_mtrr >= 0) { |
| 490 | int retval; |
| 491 | retval = mtrr_del(dev->agp->agp_mtrr, |
| 492 | dev->agp->agp_info.aper_base, |
| 493 | dev->agp->agp_info.aper_size * 1024 * 1024); |
| 494 | DRM_DEBUG("mtrr_del=%d\n", retval); |
| 495 | } |
| 496 | |
| 497 | if (dev->driver->unload) |
| 498 | dev->driver->unload(dev); |
| 499 | |
| 500 | if (drm_core_has_AGP(dev) && dev->agp) { |
| 501 | drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); |
| 502 | dev->agp = NULL; |
| 503 | } |
| 504 | |
| 505 | drm_ht_remove(&dev->map_hash); |
| 506 | drm_ctxbitmap_cleanup(dev); |
| 507 | |
| 508 | list_for_each_entry_safe(r_list, list_temp, &dev->maplist, head) |
| 509 | drm_rmmap(dev, r_list->map); |
| 510 | |
| 511 | if (drm_core_check_feature(dev, DRIVER_MODESET)) |
| 512 | drm_put_minor(&dev->control); |
| 513 | |
| 514 | if (driver->driver_features & DRIVER_GEM) |
| 515 | drm_gem_destroy(dev); |
| 516 | |
| 517 | drm_put_minor(&dev->primary); |
| 518 | |
| 519 | if (dev->devname) { |
| 520 | drm_free(dev->devname, strlen(dev->devname) + 1, |
| 521 | DRM_MEM_DRIVER); |
| 522 | dev->devname = NULL; |
| 523 | } |
| 524 | drm_free(dev, sizeof(*dev), DRM_MEM_STUB); |
| 525 | } |
| 526 | EXPORT_SYMBOL(drm_put_dev); |