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Diffstat (limited to 'nx-X11/extras/drm/linux/savage_drv.c')
-rw-r--r--nx-X11/extras/drm/linux/savage_drv.c255
1 files changed, 0 insertions, 255 deletions
diff --git a/nx-X11/extras/drm/linux/savage_drv.c b/nx-X11/extras/drm/linux/savage_drv.c
deleted file mode 100644
index 0c5188741..000000000
--- a/nx-X11/extras/drm/linux/savage_drv.c
+++ /dev/null
@@ -1,255 +0,0 @@
-/*
- * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
- * Copyright 2001-2003 S3 Graphics, Inc. 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, sub license,
- * 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 NON-INFRINGEMENT. IN NO EVENT SHALL
- * VIA, S3 GRAPHICS, 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/config.h>
-#include "savage.h"
-#include "drmP.h"
-#include "savage_drm.h"
-#include "savage_drv.h"
-
-#define DRIVER_AUTHOR "John Zhao, S3 Graphics Inc."
-
-#define DRIVER_NAME "savage"
-#define DRIVER_DESC "Savage4 Family"
-#define DRIVER_DATE "20011023"
-
-#define DRIVER_MAJOR 1
-#define DRIVER_MINOR 0
-#define DRIVER_PATCHLEVEL 0
-
-/* Currently Savage4 not implement DMA */
-/* mark off by Jiayo Hsu, Oct. 23, 2001*/
-
-
-#if SAVAGE_CMD_DMA /* Check the 3D driver, and we need to fix this anyway */
-
-#define DRIVER_IOCTLS \
- [DRM_IOCTL_NR(DRM_IOCTL_SAVAGE_ALLOC_CONTINUOUS_MEM)] \
- = {savage_alloc_continuous_mem,1,0},\
- [DRM_IOCTL_NR( DRM_IOCTL_SAVAGE_GET_PHYSICS_ADDRESS)] \
- = {savage_get_physics_address,1,0},\
- [DRM_IOCTL_NR(DRM_IOCTL_SAVAGE_FREE_CONTINUOUS_MEM)] \
- = {savage_free_cont_mem,1,0}
-
-int savage_alloc_continuous_mem(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
-{
- drm_savage_alloc_cont_mem_t cont_mem;
- unsigned long size,addr;
- void * ret;
- int i;
- mem_map_t *p;
- pgprot_t flags;
-
- /* add to list */
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
- drm_map_t *map;
- drm_map_list_t *list;
-
- if (copy_from_user(&cont_mem,(drm_savage_alloc_cont_mem_t *)arg,sizeof(cont_mem)))
- return -EFAULT;
-
- map = DRM(alloc)( sizeof(*map), DRM_MEM_MAPS );
- if ( !map )
- return -ENOMEM;
-
- /*check the parameters*/
- if (cont_mem.size <= 0 )
- return -EINVAL;
-
- size = cont_mem.type * cont_mem.size;
- printk("[drm]JTLIsize = %lu\n",size);
-
- ret = (void *)__get_free_pages(GFP_KERNEL, get_order(size));
- if (ret == NULL)
- {
- printk("Kalloc error\n");
- return 0;
- }
-
- /*set the reserverd flag so that the remap_page_range can map these page*/
- for(i=0,p=virt_to_page(ret);i< size /PAGE_SIZE; i++,p++)
- SetPageReserved(p);
-
- cont_mem.phyaddress = virt_to_bus(ret);
- cont_mem.location = DRM_SAVAGE_MEM_LOCATION_PCI; /* pci only at present*/
-
-
- /*Map the memory to user space*/
- down_write(&current->mm->mmap_sem);
- addr=do_mmap(NULL,0,size,PROT_READ|PROT_WRITE,MAP_PRIVATE,cont_mem.phyaddress);
- if (addr<=0)
- return -EFAULT;
- pgprot_val(flags)=_PAGE_PRESENT | _PAGE_RW |_PAGE_USER ;
- if (remap_page_range(addr,cont_mem.phyaddress,size,flags))
- return -EFAULT;
- up_write(&current->mm->mmap_sem);
-
- for(i=0,p=virt_to_page(ret);i< size /PAGE_SIZE; i++,p++)
- ClearPageReserved(p);
-
- cont_mem.linear = addr;
-
- /*map list*/
- map->handle = ret; /* to distinguish with other*/
- map->offset = cont_mem.phyaddress;
- map->size = size;
- map->mtrr=-1;
- /*map-flags,type??*/
-
- list = DRM(alloc)(sizeof(*list), DRM_MEM_MAPS);
- if(!list) {
- DRM(free)(map, sizeof(*map), DRM_MEM_MAPS);
- return -EINVAL;
- }
- memset(list, 0, sizeof(*list));
- list->map = map;
-
- down(&dev->struct_sem);
- list_add(&list->head, &dev->maplist->head);
- up(&dev->struct_sem);
-
- if (copy_to_user((drm_savage_alloc_cont_mem_t *)arg,&cont_mem,sizeof(cont_mem)))
- return -EFAULT;
-
- for(i=0,p=virt_to_page(ret);i< size /PAGE_SIZE; i++,p++)
- atomic_set(&p->count,1);
-
- return 1;/*success*/
-}
-
-int savage_get_physics_address(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
-{
-
- drm_savage_get_physcis_address_t req;
- unsigned long buf;
- pgd_t *pgd;
- pmd_t *pmd;
- pte_t *pte;
- struct mm_struct *mm;
-
- if (copy_from_user(&req,(drm_savage_get_physcis_address_t *)arg,sizeof(req)))
- return -EFAULT;
- buf = req.v_address;
-
- /*What kind of virtual address ?*/
- if (buf >= (unsigned long)high_memory)
- mm = &init_mm;
- else
- mm = current->mm;
-
-#ifdef LINUX_24
- spin_lock(&mm->page_table_lock);
-#endif
-
- pgd=pgd_offset(mm,buf);
- pmd=pmd_offset(pgd,buf);
- pte=pte_offset_map(pmd,buf);
-
- if (!pte_present(*pte))
- return -EFAULT;
-
- req.p_address = ((pte_val(*pte) &PAGE_MASK) |( buf&(PAGE_SIZE-1)));
-
- if (copy_to_user((drm_savage_get_physcis_address_t *)arg,&req,sizeof(req)))
- return -EFAULT;
- return 1;
-}
-
-/*free the continuous memory*/
-int savage_free_cont_mem(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
-{
- drm_savage_alloc_cont_mem_t cont_mem;
- unsigned long size;
-
- /*map list */
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
- drm_map_t *map;
- struct list_head *list;
- drm_map_list_t *r_list = NULL;
-
- if (copy_from_user(&cont_mem,(drm_savage_alloc_cont_mem_t *)arg,sizeof(cont_mem)))
- return -EFAULT;
- size = cont_mem.type * cont_mem.size;
- if (size <= 0)
- return -EINVAL;
-
- /* find the map in the list */
- list_for_each(list,&dev->maplist->head)
- {
- r_list = (drm_map_list_t *) list;
-
- if(r_list->map &&
- r_list->map->offset == cont_mem.phyaddress )
- break;
- }
- /*find none*/
- if(list == (&dev->maplist->head)) {
- up(&dev->struct_sem);
- return -EINVAL;
- }
- map = r_list->map;
- list_del(list);
- DRM(free)(list, sizeof(*list), DRM_MEM_MAPS);
-
- /*unmap the user space */
-#ifdef DO_MUNMAP_4_ARGS
- if ( do_munmap(current->mm,cont_mem.linear,size,1)!=0)
-#else
- if ( do_munmap(current->mm,cont_mem.linear,size)!=0)
-#endif
- return -EFAULT;
- /*free the page*/
- free_pages((unsigned long)map->handle, get_order(size));
-
- return 1;
-}
-#else /* SAVAGE_CMD_DMA */
-#define DRIVER_IOCTLS
-#endif /* SAVAGE_CMD_DMA */
-
-#if 0
-
-#define DRIVER_IOCTLS \
- [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { mga_dma_buffers, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_MGA_INIT)] = { mga_dma_init, 1, 1 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_MGA_FLUSH)] = { mga_dma_flush, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_MGA_RESET)] = { mga_dma_reset, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_MGA_SWAP)] = { mga_dma_swap, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_MGA_CLEAR)] = { mga_dma_clear, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_MGA_VERTEX)] = { mga_dma_vertex, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_MGA_INDICES)] = { mga_dma_indices, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_MGA_ILOAD)] = { mga_dma_iload, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_MGA_BLIT)] = { mga_dma_blit, 1, 0 },
-
-
-#endif /* end #if 0 */
-
-#include "drm_core.h"
-
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-15 17:05:00 +0000