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Diffstat (limited to 'nx-X11/extras/drm/linux/drm_stub.h')
-rw-r--r--nx-X11/extras/drm/linux/drm_stub.h358
1 files changed, 0 insertions, 358 deletions
diff --git a/nx-X11/extras/drm/linux/drm_stub.h b/nx-X11/extras/drm/linux/drm_stub.h
deleted file mode 100644
index a09f08b89..000000000
--- a/nx-X11/extras/drm/linux/drm_stub.h
+++ /dev/null
@@ -1,358 +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 "drmP.h"
-
-static unsigned int cards_limit = 16; /* Enough for one machine */
-static unsigned int debug = 0; /* 1 to enable debug output */
-
-MODULE_AUTHOR( DRIVER_AUTHOR );
-MODULE_DESCRIPTION( DRIVER_DESC );
-MODULE_LICENSE("GPL and additional rights");
-MODULE_PARM_DESC(cards_limit, "Maximum number of graphics cards");
-MODULE_PARM_DESC(debug, "Enable debug output");
-
-module_param(cards_limit, int, 0444);
-module_param(debug, int, 0666);
-
-drm_global_t *DRM(global);
-
-/**
- * File \c open operation.
- *
- * \param inode device inode.
- * \param filp file pointer.
- *
- * Puts the dev->fops corresponding to the device minor number into
- * \p filp, call the \c open method, and restore the file operations.
- */
-static int stub_open(struct inode *inode, struct file *filp)
-{
- drm_device_t *dev = NULL;
- int minor = iminor(inode);
- int err = -ENODEV;
- struct file_operations *old_fops;
-
- DRM_DEBUG("\n");
-
- if (!((minor >= 0) && (minor < DRM(global)->cards_limit)))
- return -ENODEV;
-
- dev = DRM(global)->minors[minor].dev;
- if (!dev)
- return -ENODEV;
-
- old_fops = filp->f_op;
- filp->f_op = fops_get(dev->fops);
- if (filp->f_op->open && (err = filp->f_op->open(inode, filp))) {
- fops_put(filp->f_op);
- filp->f_op = fops_get(old_fops);
- }
- fops_put(old_fops);
-
- return err;
-}
-
-/** File operations structure */
-static struct file_operations DRM(stub_fops) = {
- .owner = THIS_MODULE,
- .open = stub_open
-};
-
-
-/**
- * Get a device minor number.
- *
- * \param pdev PCI device structure
- * \param ent entry from the PCI ID table with device type flags
- * \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().
- */
-static int get_minor(struct pci_dev *pdev, const struct pci_device_id *ent)
-{
- struct class_device *dev_class;
- drm_device_t *dev;
- int ret;
- int minor;
- drm_minor_t *minors = &DRM(global)->minors[0];
-
- DRM_DEBUG("\n");
-
- for (minor = 0; minor < DRM(global)->cards_limit; minor++, minors++) {
- if (minors->class == DRM_MINOR_FREE) {
-
- DRM_DEBUG("assigning minor %d\n", minor);
- dev = DRM(calloc)(1, sizeof(*dev), DRM_MEM_STUB);
- if(!dev)
- return -ENOMEM;
-
- *minors = (drm_minor_t){.dev = dev, .class = DRM_MINOR_PRIMARY};
- dev->minor = minor;
- if ((ret = DRM(fill_in_dev)(dev, pdev, ent))) {
- printk (KERN_ERR "DRM: Fill_in_dev failed.\n");
- goto err_g1;
- }
- if ((ret = DRM(proc_init)(dev, minor, DRM(global)->proc_root, &minors->dev_root))) {
- printk (KERN_ERR "DRM: Failed to initialize /proc/dri.\n");
- goto err_g1;
- }
- if (!DRM(fb_loaded)) {
- pci_set_drvdata(pdev, dev);
- pci_request_regions(pdev, DRIVER_NAME);
- pci_enable_device(pdev);
- }
- dev_class = DRM(sysfs_device_add)(DRM(global)->drm_class,
- MKDEV(DRM_MAJOR, minor), DRM_PCI_DEV(pdev), "card%d", minor);
- if (IS_ERR(dev_class)) {
- printk (KERN_ERR "DRM: Error sysfs_device_add.\n");
- ret = PTR_ERR(dev_class);
- goto err_g2;
- }
-
- DRM_DEBUG("new primary minor assigned %d\n", minor);
- return 0;
- }
- }
- DRM_ERROR("out of minors\n");
- return -ENOMEM;
-err_g2:
- if (!DRM(fb_loaded)) {
- pci_set_drvdata(pdev, NULL);
- pci_release_regions(pdev);
- pci_disable_device(pdev);
- }
- DRM(proc_cleanup)(minor, DRM(global)->proc_root, minors->dev_root);
-err_g1:
- *minors = (drm_minor_t){.dev = NULL, .class = DRM_MINOR_FREE};
- DRM(free)(dev, sizeof(*dev), DRM_MEM_STUB);
- return ret;
-}
-
-/**
- * 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_secondary_minor)(drm_device_t *dev, drm_minor_t **sec_minor)
-{
- drm_minor_t *minors = &DRM(global)->minors[0];
- struct class_device *dev_class;
- int ret;
- int minor;
-
- DRM_DEBUG("\n");
-
- for (minor = 0; minor < DRM(global)->cards_limit; minor++, minors++) {
- if (minors->class == DRM_MINOR_FREE) {
-
- *minors = (drm_minor_t){.dev = dev, .class = DRM_MINOR_SECONDARY};
- if ((ret = DRM(proc_init)(dev, minor, DRM(global)->proc_root, &minors->dev_root))) {
- printk (KERN_ERR "DRM: Failed to initialize /proc/dri.\n");
- goto err_g1;
- }
-
- dev_class = DRM(sysfs_device_add)(DRM(global)->drm_class,
- MKDEV(DRM_MAJOR, minor), DRM_PCI_DEV(dev->pdev), "card%d", minor);
- if (IS_ERR(dev_class)) {
- printk (KERN_ERR "DRM: Error sysfs_device_add.\n");
- ret = PTR_ERR(dev_class);
- goto err_g2;
- }
- *sec_minor = minors;
-
- DRM_DEBUG("new secondary minor assigned %d\n", minor);
- return 0;
- }
- }
- DRM_ERROR("out of minors\n");
- return -ENOMEM;
-err_g2:
- DRM(proc_cleanup)(minor, DRM(global)->proc_root, minors->dev_root);
-err_g1:
- *minors = (drm_minor_t){.dev = NULL, .class = DRM_MINOR_FREE};
- DRM(free)(dev, sizeof(*dev), DRM_MEM_STUB);
- return ret;
-}
-
-/**
- * Put a device minor number.
- *
- * \param dev device data structure
- * \return always zero
- *
- * Cleans up the proc resources. If it is the last minor then release the foreign
- * "drm" data, otherwise unregisters the "drm" data, frees the dev list and
- * unregisters the character device.
- */
-int DRM(put_minor)(drm_device_t *dev)
-{
- drm_minor_t *minors = &DRM(global)->minors[dev->minor];
- int i;
-
- DRM_DEBUG("release primary minor %d\n", dev->minor);
-
- DRM(proc_cleanup)(dev->minor, DRM(global)->proc_root, minors->dev_root);
- DRM(sysfs_device_remove)(MKDEV(DRM_MAJOR, dev->minor));
-
- *minors = (drm_minor_t){.dev = NULL, .class = DRM_MINOR_FREE};
- DRM(free)(dev, sizeof(*dev), DRM_MEM_STUB);
-
- /* if any device pointers are non-NULL we are not the last module */
- for (i = 0; i < DRM(global)->cards_limit; i++) {
- if (DRM(global)->minors[i].class != DRM_MINOR_FREE) {
- DRM_DEBUG("inter_module_put called\n");
- inter_module_put("drm");
- return 0;
- }
- }
- DRM_DEBUG("unregistering inter_module \n");
- inter_module_unregister("drm");
- remove_proc_entry("dri", NULL);
- DRM(sysfs_destroy)(DRM(global)->drm_class);
-
- unregister_chrdev(DRM_MAJOR, "drm");
-
- DRM(free)(DRM(global)->minors, sizeof(*DRM(global)->minors) *
- DRM(global)->cards_limit, DRM_MEM_STUB);
- DRM(free)(DRM(global), sizeof(*DRM(global)), DRM_MEM_STUB);
- DRM(global) = NULL;
-
- return 0;
-}
-
-/**
- * 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_secondary_minor)(drm_minor_t *sec_minor)
-{
- int minor = sec_minor - &DRM(global)->minors[0];
-
- DRM_DEBUG("release secondary minor %d\n", minor);
-
- DRM(proc_cleanup)(minor, DRM(global)->proc_root, sec_minor->dev_root);
- DRM(sysfs_device_remove)(MKDEV(DRM_MAJOR, minor));
-
- *sec_minor = (drm_minor_t){.dev = NULL, .class = DRM_MINOR_FREE};
-
- return 0;
-}
-
-/**
- * Register.
- *
- * \param pdev - PCI device structure
- * \param ent entry from the PCI ID table with device type flags
- * \return zero on success or a negative number on failure.
- *
- * Attempt to gets inter module "drm" information. If we are first
- * then register the character device and inter module information.
- * Try and register, if we fail to register, backout previous work.
- */
-int DRM(probe)(struct pci_dev *pdev, const struct pci_device_id *ent)
-{
- drm_global_t *global;
- int ret = -ENOMEM;
-
- DRM_DEBUG("\n");
-
- /* use the inter_module_get to check - as if the same module
- registers chrdev twice it succeeds */
- global = (drm_global_t *)inter_module_get("drm");
- if (global) {
- DRM(global) = global;
- global = NULL;
- } else {
- DRM_DEBUG("first probe\n");
-
- global = DRM(calloc)(1, sizeof(*global), DRM_MEM_STUB);
- if(!global)
- return -ENOMEM;
-
- global->cards_limit = (cards_limit < DRM_MAX_MINOR + 1 ? cards_limit : DRM_MAX_MINOR + 1);
- global->minors = DRM(calloc)(global->cards_limit,
- sizeof(*global->minors), DRM_MEM_STUB);
- if(!global->minors)
- goto err_p1;
-
- if (register_chrdev(DRM_MAJOR, "drm", &DRM(stub_fops)))
- goto err_p1;
-
- global->drm_class = DRM(sysfs_create)(THIS_MODULE, "drm");
- if (IS_ERR(global->drm_class)) {
- printk (KERN_ERR "DRM: Error creating drm class.\n");
- ret = PTR_ERR(global->drm_class);
- goto err_p2;
- }
-
- global->proc_root = create_proc_entry("dri", S_IFDIR, NULL);
- if (!global->proc_root) {
- DRM_ERROR("Cannot create /proc/dri\n");
- ret = -1;
- goto err_p3;
- }
- DRM_DEBUG("calling inter_module_register\n");
- inter_module_register("drm", THIS_MODULE, global);
-
- DRM(global) = global;
- }
- if ((ret = get_minor(pdev, ent))) {
- if (global)
- goto err_p3;
- return ret;
- }
- return 0;
-err_p3:
- DRM(sysfs_destroy)(global->drm_class);
-err_p2:
- unregister_chrdev(DRM_MAJOR, "drm");
- DRM(free)(global->minors, sizeof(*global->minors) * global->cards_limit, DRM_MEM_STUB);
-err_p1:
- DRM(free)(global, sizeof(*global), DRM_MEM_STUB);
- DRM(global) = NULL;
- return ret;
-}