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/* r128_drv.c -- ATI Rage 128 driver -*- linux-c -*-
 * Created: Mon Dec 13 09:47:27 1999 by faith@precisioninsight.com
 *
 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
 * Copyright 2000 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
 * VA LINUX SYSTEMS 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.
 *
 * Authors:
 *    Rickard E. (Rik) Faith <faith@valinux.com>
 *    Gareth Hughes <gareth@valinux.com>
 */

#include <linux/config.h>
#include "drmP.h"
#include "drm.h"
#include "r128_drm.h"
#include "r128_drv.h"

#include "drm_pciids.h"

static struct pci_device_id pciidlist[] = {
	r128_PCI_IDS
};

extern drm_ioctl_desc_t r128_ioctls[];
extern int r128_max_ioctl;

static int probe(struct pci_dev *pdev, const struct pci_device_id *ent);
static struct drm_driver driver = {
	.driver_features =
	    DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
	    DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED |
	    DRIVER_IRQ_VBL,
	.dev_priv_size = sizeof(drm_r128_buf_priv_t),
	.preclose = r128_driver_preclose,
	.lastclose = r128_driver_lastclose,
	.vblank_wait = r128_driver_vblank_wait,
	.irq_preinstall = r128_driver_irq_preinstall,
	.irq_postinstall = r128_driver_irq_postinstall,
	.irq_uninstall = r128_driver_irq_uninstall,
	.irq_handler = r128_driver_irq_handler,
	.reclaim_buffers = drm_core_reclaim_buffers,
	.get_map_ofs = drm_core_get_map_ofs,
	.get_reg_ofs = drm_core_get_reg_ofs,
	.ioctls = r128_ioctls,
	.dma_ioctl = r128_cce_buffers,
	.fops = {
		.owner = THIS_MODULE,
		.open = drm_open,
		.release = drm_release,
		.ioctl = drm_ioctl,
		.mmap = drm_mmap,
		.poll = drm_poll,
		.fasync = drm_fasync,
#if defined(CONFIG_COMPAT) && LINUX_VERSION_CODE > KERNEL_VERSION(2,6,9)
		.compat_ioctl = r128_compat_ioctl,
#endif
		},
	.pci_driver = {
		.name = DRIVER_NAME,
		.id_table = pciidlist,
		.probe = probe,
		.remove = __devexit_p(drm_cleanup_pci),
	},

	.name = DRIVER_NAME,
	.desc = DRIVER_DESC,
	.date = DRIVER_DATE,
	.major = DRIVER_MAJOR,
	.minor = DRIVER_MINOR,
	.patchlevel = DRIVER_PATCHLEVEL,
};

static int probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
	return drm_get_dev(pdev, ent, &driver);
}


static int __init r128_init(void)
{
	driver.num_ioctls = r128_max_ioctl;

	return drm_init(&driver, pciidlist);
}

static void __exit r128_exit(void)
{
	drm_exit(&driver);
}

module_init(r128_init);
module_exit(r128_exit);

MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL and additional rights");
com"> * struct or a context identifier. * * Authors: * Thomas Hellström <thomas-at-tungstengraphics-dot-com> */ #include "drm_sman.h" typedef struct drm_owner_item { drm_hash_item_t owner_hash; struct list_head sman_list; struct list_head mem_blocks; } drm_owner_item_t; void drm_sman_takedown(drm_sman_t * sman) { drm_ht_remove(&sman->user_hash_tab); drm_ht_remove(&sman->owner_hash_tab); if (sman->mm) drm_free(sman->mm, sman->num_managers * sizeof(*sman->mm), DRM_MEM_MM); } EXPORT_SYMBOL(drm_sman_takedown); int drm_sman_init(drm_sman_t * sman, unsigned int num_managers, unsigned int user_order, unsigned int owner_order) { int ret = 0; sman->mm = (drm_sman_mm_t *) drm_calloc(num_managers, sizeof(*sman->mm), DRM_MEM_MM); if (!sman->mm) { ret = -ENOMEM; goto out; } sman->num_managers = num_managers; INIT_LIST_HEAD(&sman->owner_items); ret = drm_ht_create(&sman->owner_hash_tab, owner_order); if (ret) goto out1; ret = drm_ht_create(&sman->user_hash_tab, user_order); if (!ret) goto out; drm_ht_remove(&sman->owner_hash_tab); out1: drm_free(sman->mm, num_managers * sizeof(*sman->mm), DRM_MEM_MM); out: return ret; } EXPORT_SYMBOL(drm_sman_init); static void *drm_sman_mm_allocate(void *private, unsigned long size, unsigned alignment) { drm_mm_t *mm = (drm_mm_t *) private; drm_mm_node_t *tmp; tmp = drm_mm_search_free(mm, size, alignment, 1); if (!tmp) { return NULL; } tmp = drm_mm_get_block(tmp, size, alignment); return tmp; } static void drm_sman_mm_free(void *private, void *ref) { drm_mm_node_t *node = (drm_mm_node_t *) ref; drm_mm_put_block(node); } static void drm_sman_mm_destroy(void *private) { drm_mm_t *mm = (drm_mm_t *) private; drm_mm_takedown(mm); drm_free(mm, sizeof(*mm), DRM_MEM_MM); } static unsigned long drm_sman_mm_offset(void *private, void *ref) { drm_mm_node_t *node = (drm_mm_node_t *) ref; return node->start; } int drm_sman_set_range(drm_sman_t * sman, unsigned int manager, unsigned long start, unsigned long size) { drm_sman_mm_t *sman_mm; drm_mm_t *mm; int ret; BUG_ON(manager >= sman->num_managers); sman_mm = &sman->mm[manager]; mm = drm_calloc(1, sizeof(*mm), DRM_MEM_MM); if (!mm) { return -ENOMEM; } sman_mm->private = mm; ret = drm_mm_init(mm, start, size); if (ret) { drm_free(mm, sizeof(*mm), DRM_MEM_MM); return ret; } sman_mm->allocate = drm_sman_mm_allocate; sman_mm->free = drm_sman_mm_free; sman_mm->destroy = drm_sman_mm_destroy; sman_mm->offset = drm_sman_mm_offset; return 0; } EXPORT_SYMBOL(drm_sman_set_range); int drm_sman_set_manager(drm_sman_t * sman, unsigned int manager, drm_sman_mm_t * allocator) { BUG_ON(manager >= sman->num_managers); sman->mm[manager] = *allocator; return 0; } EXPORT_SYMBOL(drm_sman_set_manager); static drm_owner_item_t *drm_sman_get_owner_item(drm_sman_t * sman, unsigned long owner) { int ret; drm_hash_item_t *owner_hash_item; drm_owner_item_t *owner_item; ret = drm_ht_find_item(&sman->owner_hash_tab, owner, &owner_hash_item); if (!ret) { return drm_hash_entry(owner_hash_item, drm_owner_item_t, owner_hash); } owner_item = drm_calloc(1, sizeof(*owner_item), DRM_MEM_MM); if (!owner_item) goto out; INIT_LIST_HEAD(&owner_item->mem_blocks); owner_item->owner_hash.key = owner; if (drm_ht_insert_item(&sman->owner_hash_tab, &owner_item->owner_hash)) goto out1; list_add_tail(&owner_item->sman_list, &sman->owner_items); return owner_item; out1: drm_free(owner_item, sizeof(*owner_item), DRM_MEM_MM); out: return NULL; } drm_memblock_item_t *drm_sman_alloc(drm_sman_t *sman, unsigned int manager, unsigned long size, unsigned alignment, unsigned long owner) { void *tmp; drm_sman_mm_t *sman_mm; drm_owner_item_t *owner_item; drm_memblock_item_t *memblock; BUG_ON(manager >= sman->num_managers); sman_mm = &sman->mm[manager]; tmp = sman_mm->allocate(sman_mm->private, size, alignment); if (!tmp) { return NULL; } memblock = drm_calloc(1, sizeof(*memblock), DRM_MEM_MM); if (!memblock) goto out; memblock->mm_info = tmp; memblock->mm = sman_mm; memblock->sman = sman; if (drm_ht_just_insert_please (&sman->user_hash_tab, &memblock->user_hash, (unsigned long)memblock, 32, 0, 0)) goto out1; owner_item = drm_sman_get_owner_item(sman, owner); if (!owner_item) goto out2; list_add_tail(&memblock->owner_list, &owner_item->mem_blocks); return memblock; out2: drm_ht_remove_item(&sman->user_hash_tab, &memblock->user_hash); out1: drm_free(memblock, sizeof(*memblock), DRM_MEM_MM); out: sman_mm->free(sman_mm->private, tmp); return NULL; } EXPORT_SYMBOL(drm_sman_alloc); static void drm_sman_free(drm_memblock_item_t *item) { drm_sman_t *sman = item->sman; list_del(&item->owner_list); drm_ht_remove_item(&sman->user_hash_tab, &item->user_hash); item->mm->free(item->mm->private, item->mm_info); drm_free(item, sizeof(*item), DRM_MEM_MM); } int drm_sman_free_key(drm_sman_t *sman, unsigned int key) { drm_hash_item_t *hash_item; drm_memblock_item_t *memblock_item; if (drm_ht_find_item(&sman->user_hash_tab, key, &hash_item)) return -EINVAL; memblock_item = drm_hash_entry(hash_item, drm_memblock_item_t, user_hash); drm_sman_free(memblock_item); return 0; } EXPORT_SYMBOL(drm_sman_free_key); static void drm_sman_remove_owner(drm_sman_t *sman, drm_owner_item_t *owner_item) { list_del(&owner_item->sman_list); drm_ht_remove_item(&sman->owner_hash_tab, &owner_item->owner_hash); drm_free(owner_item, sizeof(*owner_item), DRM_MEM_MM); } int drm_sman_owner_clean(drm_sman_t *sman, unsigned long owner) { drm_hash_item_t *hash_item; drm_owner_item_t *owner_item; if (drm_ht_find_item(&sman->owner_hash_tab, owner, &hash_item)) { return -1; } owner_item = drm_hash_entry(hash_item, drm_owner_item_t, owner_hash); if (owner_item->mem_blocks.next == &owner_item->mem_blocks) { drm_sman_remove_owner(sman, owner_item); return -1; } return 0; } EXPORT_SYMBOL(drm_sman_owner_clean); static void drm_sman_do_owner_cleanup(drm_sman_t *sman, drm_owner_item_t *owner_item) { drm_memblock_item_t *entry, *next; list_for_each_entry_safe(entry, next, &owner_item->mem_blocks, owner_list) { drm_sman_free(entry); } drm_sman_remove_owner(sman, owner_item); } void drm_sman_owner_cleanup(drm_sman_t *sman, unsigned long owner) { drm_hash_item_t *hash_item; drm_owner_item_t *owner_item; if (drm_ht_find_item(&sman->owner_hash_tab, owner, &hash_item)) { return; } owner_item = drm_hash_entry(hash_item, drm_owner_item_t, owner_hash); drm_sman_do_owner_cleanup(sman, owner_item); } EXPORT_SYMBOL(drm_sman_owner_cleanup); void drm_sman_cleanup(drm_sman_t *sman) { drm_owner_item_t *entry, *next; unsigned int i; drm_sman_mm_t *sman_mm; list_for_each_entry_safe(entry, next, &sman->owner_items, sman_list) { drm_sman_do_owner_cleanup(sman, entry); } if (sman->mm) { for (i = 0; i < sman->num_managers; ++i) { sman_mm = &sman->mm[i]; if (sman_mm->private) { sman_mm->destroy(sman_mm->private); sman_mm->private = NULL; } } } } EXPORT_SYMBOL(drm_sman_cleanup);