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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/drivers/gpu/drm/drm_stub.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/drivers/gpu/drm/drm_stub.c')
-rw-r--r-- | ANDROID_3.4.5/drivers/gpu/drm/drm_stub.c | 520 |
1 files changed, 0 insertions, 520 deletions
diff --git a/ANDROID_3.4.5/drivers/gpu/drm/drm_stub.c b/ANDROID_3.4.5/drivers/gpu/drm/drm_stub.c deleted file mode 100644 index aa454f80..00000000 --- a/ANDROID_3.4.5/drivers/gpu/drm/drm_stub.c +++ /dev/null @@ -1,520 +0,0 @@ -/** - * \file drm_stub.h - * Stub support - * - * \author Rickard E. (Rik) Faith <faith@valinux.com> - */ - -/* - * Created: Fri Jan 19 10:48:35 2001 by faith@acm.org - * - * Copyright 2001 VA Linux Systems, Inc., Sunnyvale, California. - * 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. - */ - -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/slab.h> -#include "drmP.h" -#include "drm_core.h" - -unsigned int drm_debug = 0; /* 1 to enable debug output */ -EXPORT_SYMBOL(drm_debug); - -unsigned int drm_vblank_offdelay = 5000; /* Default to 5000 msecs. */ -EXPORT_SYMBOL(drm_vblank_offdelay); - -unsigned int drm_timestamp_precision = 20; /* Default to 20 usecs. */ -EXPORT_SYMBOL(drm_timestamp_precision); - -MODULE_AUTHOR(CORE_AUTHOR); -MODULE_DESCRIPTION(CORE_DESC); -MODULE_LICENSE("GPL and additional rights"); -MODULE_PARM_DESC(debug, "Enable debug output"); -MODULE_PARM_DESC(vblankoffdelay, "Delay until vblank irq auto-disable [msecs]"); -MODULE_PARM_DESC(timestamp_precision_usec, "Max. error on timestamps [usecs]"); - -module_param_named(debug, drm_debug, int, 0600); -module_param_named(vblankoffdelay, drm_vblank_offdelay, int, 0600); -module_param_named(timestamp_precision_usec, drm_timestamp_precision, int, 0600); - -struct idr drm_minors_idr; - -struct class *drm_class; -struct proc_dir_entry *drm_proc_root; -struct dentry *drm_debugfs_root; - -int drm_err(const char *func, const char *format, ...) -{ - struct va_format vaf; - va_list args; - int r; - - va_start(args, format); - - vaf.fmt = format; - vaf.va = &args; - - r = printk(KERN_ERR "[" DRM_NAME ":%s] *ERROR* %pV", func, &vaf); - - va_end(args); - - return r; -} -EXPORT_SYMBOL(drm_err); - -void drm_ut_debug_printk(unsigned int request_level, - const char *prefix, - const char *function_name, - const char *format, ...) -{ - va_list args; - - if (drm_debug & request_level) { - if (function_name) - printk(KERN_DEBUG "[%s:%s], ", prefix, function_name); - va_start(args, format); - vprintk(format, args); - va_end(args); - } -} -EXPORT_SYMBOL(drm_ut_debug_printk); - -static int drm_minor_get_id(struct drm_device *dev, int type) -{ - int new_id; - int ret; - int base = 0, limit = 63; - - if (type == DRM_MINOR_CONTROL) { - base += 64; - limit = base + 127; - } else if (type == DRM_MINOR_RENDER) { - base += 128; - limit = base + 255; - } - -again: - if (idr_pre_get(&drm_minors_idr, GFP_KERNEL) == 0) { - DRM_ERROR("Out of memory expanding drawable idr\n"); - return -ENOMEM; - } - mutex_lock(&dev->struct_mutex); - ret = idr_get_new_above(&drm_minors_idr, NULL, - base, &new_id); - mutex_unlock(&dev->struct_mutex); - if (ret == -EAGAIN) { - goto again; - } else if (ret) { - return ret; - } - - if (new_id >= limit) { - idr_remove(&drm_minors_idr, new_id); - return -EINVAL; - } - return new_id; -} - -struct drm_master *drm_master_create(struct drm_minor *minor) -{ - struct drm_master *master; - - master = kzalloc(sizeof(*master), GFP_KERNEL); - if (!master) - return NULL; - - kref_init(&master->refcount); - spin_lock_init(&master->lock.spinlock); - init_waitqueue_head(&master->lock.lock_queue); - drm_ht_create(&master->magiclist, DRM_MAGIC_HASH_ORDER); - INIT_LIST_HEAD(&master->magicfree); - master->minor = minor; - - list_add_tail(&master->head, &minor->master_list); - - return master; -} - -struct drm_master *drm_master_get(struct drm_master *master) -{ - kref_get(&master->refcount); - return master; -} -EXPORT_SYMBOL(drm_master_get); - -static void drm_master_destroy(struct kref *kref) -{ - struct drm_master *master = container_of(kref, struct drm_master, refcount); - struct drm_magic_entry *pt, *next; - struct drm_device *dev = master->minor->dev; - struct drm_map_list *r_list, *list_temp; - - list_del(&master->head); - - if (dev->driver->master_destroy) - dev->driver->master_destroy(dev, master); - - list_for_each_entry_safe(r_list, list_temp, &dev->maplist, head) { - if (r_list->master == master) { - drm_rmmap_locked(dev, r_list->map); - r_list = NULL; - } - } - - if (master->unique) { - kfree(master->unique); - master->unique = NULL; - master->unique_len = 0; - } - - kfree(dev->devname); - dev->devname = NULL; - - list_for_each_entry_safe(pt, next, &master->magicfree, head) { - list_del(&pt->head); - drm_ht_remove_item(&master->magiclist, &pt->hash_item); - kfree(pt); - } - - drm_ht_remove(&master->magiclist); - - kfree(master); -} - -void drm_master_put(struct drm_master **master) -{ - kref_put(&(*master)->refcount, drm_master_destroy); - *master = NULL; -} -EXPORT_SYMBOL(drm_master_put); - -int drm_setmaster_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - int ret = 0; - - if (file_priv->is_master) - return 0; - - if (file_priv->minor->master && file_priv->minor->master != file_priv->master) - return -EINVAL; - - if (!file_priv->master) - return -EINVAL; - - if (!file_priv->minor->master && - file_priv->minor->master != file_priv->master) { - mutex_lock(&dev->struct_mutex); - file_priv->minor->master = drm_master_get(file_priv->master); - file_priv->is_master = 1; - if (dev->driver->master_set) { - ret = dev->driver->master_set(dev, file_priv, false); - if (unlikely(ret != 0)) { - file_priv->is_master = 0; - drm_master_put(&file_priv->minor->master); - } - } - mutex_unlock(&dev->struct_mutex); - } - - return 0; -} - -int drm_dropmaster_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - if (!file_priv->is_master) - return -EINVAL; - - if (!file_priv->minor->master) - return -EINVAL; - - mutex_lock(&dev->struct_mutex); - if (dev->driver->master_drop) - dev->driver->master_drop(dev, file_priv, false); - drm_master_put(&file_priv->minor->master); - file_priv->is_master = 0; - mutex_unlock(&dev->struct_mutex); - return 0; -} - -int drm_fill_in_dev(struct drm_device *dev, - const struct pci_device_id *ent, - struct drm_driver *driver) -{ - int retcode; - - INIT_LIST_HEAD(&dev->filelist); - INIT_LIST_HEAD(&dev->ctxlist); - INIT_LIST_HEAD(&dev->vmalist); - INIT_LIST_HEAD(&dev->maplist); - INIT_LIST_HEAD(&dev->vblank_event_list); - - spin_lock_init(&dev->count_lock); - spin_lock_init(&dev->event_lock); - mutex_init(&dev->struct_mutex); - mutex_init(&dev->ctxlist_mutex); - - if (drm_ht_create(&dev->map_hash, 12)) { - return -ENOMEM; - } - - /* the DRM has 6 basic counters */ - dev->counters = 6; - dev->types[0] = _DRM_STAT_LOCK; - dev->types[1] = _DRM_STAT_OPENS; - dev->types[2] = _DRM_STAT_CLOSES; - dev->types[3] = _DRM_STAT_IOCTLS; - dev->types[4] = _DRM_STAT_LOCKS; - dev->types[5] = _DRM_STAT_UNLOCKS; - - dev->driver = driver; - - if (dev->driver->bus->agp_init) { - retcode = dev->driver->bus->agp_init(dev); - if (retcode) - goto error_out_unreg; - } - - - - retcode = drm_ctxbitmap_init(dev); - if (retcode) { - DRM_ERROR("Cannot allocate memory for context bitmap.\n"); - goto error_out_unreg; - } - - if (driver->driver_features & DRIVER_GEM) { - retcode = drm_gem_init(dev); - if (retcode) { - DRM_ERROR("Cannot initialize graphics execution " - "manager (GEM)\n"); - goto error_out_unreg; - } - } - - return 0; - - error_out_unreg: - drm_lastclose(dev); - return retcode; -} -EXPORT_SYMBOL(drm_fill_in_dev); - - -/** - * Get a secondary minor number. - * - * \param dev device data structure - * \param sec-minor structure to hold the assigned minor - * \return negative number on failure. - * - * Search an empty entry and initialize it to the given parameters, and - * create the proc init entry via proc_init(). This routines assigns - * minor numbers to secondary heads of multi-headed cards - */ -int drm_get_minor(struct drm_device *dev, struct drm_minor **minor, int type) -{ - struct drm_minor *new_minor; - int ret; - int minor_id; - - DRM_DEBUG("\n"); - - minor_id = drm_minor_get_id(dev, type); - if (minor_id < 0) - return minor_id; - - new_minor = kzalloc(sizeof(struct drm_minor), GFP_KERNEL); - if (!new_minor) { - ret = -ENOMEM; - goto err_idr; - } - - new_minor->type = type; - new_minor->device = MKDEV(DRM_MAJOR, minor_id); - new_minor->dev = dev; - new_minor->index = minor_id; - INIT_LIST_HEAD(&new_minor->master_list); - - idr_replace(&drm_minors_idr, new_minor, minor_id); - - if (type == DRM_MINOR_LEGACY) { - ret = drm_proc_init(new_minor, minor_id, drm_proc_root); - if (ret) { - DRM_ERROR("DRM: Failed to initialize /proc/dri.\n"); - goto err_mem; - } - } else - new_minor->proc_root = NULL; - -#if defined(CONFIG_DEBUG_FS) - ret = drm_debugfs_init(new_minor, minor_id, drm_debugfs_root); - if (ret) { - DRM_ERROR("DRM: Failed to initialize /sys/kernel/debug/dri.\n"); - goto err_g2; - } -#endif - - ret = drm_sysfs_device_add(new_minor); - if (ret) { - printk(KERN_ERR - "DRM: Error sysfs_device_add.\n"); - goto err_g2; - } - *minor = new_minor; - - DRM_DEBUG("new minor assigned %d\n", minor_id); - return 0; - - -err_g2: - if (new_minor->type == DRM_MINOR_LEGACY) - drm_proc_cleanup(new_minor, drm_proc_root); -err_mem: - kfree(new_minor); -err_idr: - idr_remove(&drm_minors_idr, minor_id); - *minor = NULL; - return ret; -} -EXPORT_SYMBOL(drm_get_minor); - -/** - * Put a secondary minor number. - * - * \param sec_minor - structure to be released - * \return always zero - * - * Cleans up the proc resources. Not legal for this to be the - * last minor released. - * - */ -int drm_put_minor(struct drm_minor **minor_p) -{ - struct drm_minor *minor = *minor_p; - - DRM_DEBUG("release secondary minor %d\n", minor->index); - - if (minor->type == DRM_MINOR_LEGACY) - drm_proc_cleanup(minor, drm_proc_root); -#if defined(CONFIG_DEBUG_FS) - drm_debugfs_cleanup(minor); -#endif - - drm_sysfs_device_remove(minor); - - idr_remove(&drm_minors_idr, minor->index); - - kfree(minor); - *minor_p = NULL; - return 0; -} -EXPORT_SYMBOL(drm_put_minor); - -static void drm_unplug_minor(struct drm_minor *minor) -{ - drm_sysfs_device_remove(minor); -} - -/** - * Called via drm_exit() at module unload time or when pci device is - * unplugged. - * - * Cleans up all DRM device, calling drm_lastclose(). - * - */ -void drm_put_dev(struct drm_device *dev) -{ - struct drm_driver *driver; - struct drm_map_list *r_list, *list_temp; - - DRM_DEBUG("\n"); - - if (!dev) { - DRM_ERROR("cleanup called no dev\n"); - return; - } - driver = dev->driver; - - drm_lastclose(dev); - - if (drm_core_has_MTRR(dev) && drm_core_has_AGP(dev) && - dev->agp && dev->agp->agp_mtrr >= 0) { - int retval; - retval = mtrr_del(dev->agp->agp_mtrr, - dev->agp->agp_info.aper_base, - dev->agp->agp_info.aper_size * 1024 * 1024); - DRM_DEBUG("mtrr_del=%d\n", retval); - } - - if (dev->driver->unload) - dev->driver->unload(dev); - - if (drm_core_has_AGP(dev) && dev->agp) { - kfree(dev->agp); - dev->agp = NULL; - } - - drm_vblank_cleanup(dev); - - list_for_each_entry_safe(r_list, list_temp, &dev->maplist, head) - drm_rmmap(dev, r_list->map); - drm_ht_remove(&dev->map_hash); - - drm_ctxbitmap_cleanup(dev); - - if (drm_core_check_feature(dev, DRIVER_MODESET)) - drm_put_minor(&dev->control); - - if (driver->driver_features & DRIVER_GEM) - drm_gem_destroy(dev); - - drm_put_minor(&dev->primary); - - list_del(&dev->driver_item); - if (dev->devname) { - kfree(dev->devname); - dev->devname = NULL; - } - kfree(dev); -} -EXPORT_SYMBOL(drm_put_dev); - -void drm_unplug_dev(struct drm_device *dev) -{ - /* for a USB device */ - if (drm_core_check_feature(dev, DRIVER_MODESET)) - drm_unplug_minor(dev->control); - drm_unplug_minor(dev->primary); - - mutex_lock(&drm_global_mutex); - - drm_device_set_unplugged(dev); - - if (dev->open_count == 0) { - drm_put_dev(dev); - } - mutex_unlock(&drm_global_mutex); -} -EXPORT_SYMBOL(drm_unplug_dev); |