Merged the Savage DRM driver from the savage-2-0-0-branch into the trunk.

This commit is contained in:
Felix Kuehling 2004-02-22 16:20:16 +00:00
parent d0031f22cf
commit 3dea36d843
13 changed files with 1304 additions and 3 deletions

View file

@ -16,6 +16,7 @@ i830-objs := i830_drv.o i830_dma.o i830_irq.o
radeon-objs := radeon_drv.o radeon_cp.o radeon_state.o radeon_mem.o radeon_irq.o
sis-objs := sis_drv.o sis_ds.o sis_mm.o
ffb-objs := ffb_drv.o ffb_context.o
savage-objs := savage_drv.o savage_dma.o
# Kernel version checks
@ -30,7 +31,8 @@ endif
ifeq ($(BELOW25),y)
O_TARGET := drm.o
list-multi := gamma.o tdfx.o r128.o mga.o i810.o i830.o ffb.o radeon.o
list-multi := gamma.o tdfx.o r128.o mga.o i810.o i830.o ffb.o radeon.o \
savage.o
obj-m :=
obj-n :=
obj- :=
@ -45,6 +47,7 @@ obj-$(CONFIG_DRM_I810) += i810.o
obj-$(CONFIG_DRM_I830) += i830.o
obj-$(CONFIG_DRM_SIS) += sis.o
obj-$(CONFIG_DRM_FFB) += ffb.o
obj-$(CONFIG_DRM_SAVAGE)+= savage.o
ifeq ($(BELOW2552),y)
include $(TOPDIR)/Rules.make
@ -77,5 +80,8 @@ sis.o: $(sis-objs) $(lib)
ffb.o: $(ffb-objs) $(lib)
$(LD) -r -o $@ $(ffb-objs) $(lib)
savage.o: $(savage-objs) $(lib)
$(LD) -r -o $@ $(savage-objs) $(lib)
endif

63
linux-core/savage.h Normal file
View file

@ -0,0 +1,63 @@
/*
* 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.
*/
#ifndef __SAVAGE_H__
#define __SAVAGE_H__
/* This remains constant for all DRM template files.
*/
#define DRM(x) savage_##x
/* General customization:
*/
#define __HAVE_AGP 1
#define __MUST_HAVE_AGP 1
#define __HAVE_MTRR 1
#define __HAVE_CTX_BITMAP 1
#define DRIVER_PCI_IDS \
{0x5333, 0x8a22, 0, "Savage4"}, \
{0x5333, 0x8a23, 0, "Savage4"}, \
{0x5333, 0x8c10, 0, "Savage/MX-MV"}, \
{0x5333, 0x8c11, 0, "Savage/MX"}, \
{0x5333, 0x8c12, 0, "Savage/IX-MV"}, \
{0x5333, 0x8c13, 0, "Savage/IX"}, \
{0x5333, 0x8c20, 0, "Savage 3D"}, \
{0x5333, 0x8c21, 0, "Savage 3D/MV"}, \
{0x5333, 0x8c22, 0, "SuperSavage MX/128"}, \
{0x5333, 0x8c24, 0, "SuperSavage MX/64"}, \
{0x5333, 0x8c26, 0, "SuperSavage MX/64C"}, \
{0x5333, 0x8c2a, 0, "SuperSavage IX/128 SDR"}, \
{0x5333, 0x8c2b, 0, "SuperSavage IX/128 DDR"}, \
{0x5333, 0x8c2c, 0, "SuperSavage IX/64 SDR"}, \
{0x5333, 0x8c2d, 0, "SuperSavage IX/64 DDR"}, \
{0x5333, 0x8c2e, 0, "SuperSavage IX/C SDR"}, \
{0x5333, 0x8c2f, 0, "SuperSavage IX/C DDR"}, \
{0x5333, 0x8a25, 0, "ProSavage PM133"}, \
{0x5333, 0x8a26, 0, "ProSavage KM133"}, \
{0x5333, 0x8d01, 0, "ProSavage PN133"}, \
{0x5333, 0x8d02, 0, "ProSavage KN133"}, \
{0x5333, 0x8d04, 0, "ProSavage DDR"}
#endif

38
linux-core/savage_dma.c Normal file
View file

@ -0,0 +1,38 @@
/*
* 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.
*/
/*=========================================================*/
#define __NO_VERSION__
#include "savage.h"
#include "drmP.h"
#include "savage_drv.h"
#include <linux/interrupt.h> /* For task queue support */
#include <linux/delay.h>
#define SAVAGE_DEFAULT_USEC_TIMEOUT 10000
#define SAVAGE_FREELIST_DEBUG 0

238
linux-core/savage_drm.h Normal file
View file

@ -0,0 +1,238 @@
/*
* 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.
*/
#ifndef __SAVAGE_DRM_H__
#define __SAVAGE_DRM_H__
#ifndef __SAVAGE_SAREA_DEFINES__
#define __SAVAGE_SAREA_DEFINES__
#define DRM_SAVAGE_MEM_PAGE (1UL<<12)
#define DRM_SAVAGE_MEM_WORK 32
#define DRM_SAVAGE_MEM_LOCATION_PCI 1
#define DRM_SAVAGE_MEM_LOCATION_AGP 2
#define DRM_SAVAGE_DMA_AGP_SIZE (16*1024*1024)
typedef struct drm_savage_alloc_cont_mem
{
size_t size; /*size of buffer*/
unsigned long type; /*4k page or word*/
unsigned long alignment;
unsigned long location; /*agp or pci*/
unsigned long phyaddress;
unsigned long linear;
} drm_savage_alloc_cont_mem_t;
typedef struct drm_savage_get_physcis_address
{
unsigned long v_address;
unsigned long p_address;
}drm_savage_get_physcis_address_t;
/*ioctl number*/
#define DRM_IOCTL_SAVAGE_ALLOC_CONTINUOUS_MEM \
DRM_IOWR(0x40,drm_savage_alloc_cont_mem_t)
#define DRM_IOCTL_SAVAGE_GET_PHYSICS_ADDRESS \
DRM_IOWR(0x41, drm_savage_get_physcis_address_t)
#define DRM_IOCTL_SAVAGE_FREE_CONTINUOUS_MEM \
DRM_IOWR(0x42, drm_savage_alloc_cont_mem_t)
#define SAVAGE_FRONT 0x1
#define SAVAGE_BACK 0x2
#define SAVAGE_DEPTH 0x4
#define SAVAGE_STENCIL 0x8
/* What needs to be changed for the current vertex dma buffer?
*/
#define SAVAGE_UPLOAD_CTX 0x1
#define SAVAGE_UPLOAD_TEX0 0x2
#define SAVAGE_UPLOAD_TEX1 0x4
#define SAVAGE_UPLOAD_PIPE 0x8 /* <- seems should be removed, Jiayo Hsu */
#define SAVAGE_UPLOAD_TEX0IMAGE 0x10 /* handled client-side */
#define SAVAGE_UPLOAD_TEX1IMAGE 0x20 /* handled client-side */
#define SAVAGE_UPLOAD_2D 0x40
#define SAVAGE_WAIT_AGE 0x80 /* handled client-side */
#define SAVAGE_UPLOAD_CLIPRECTS 0x100 /* handled client-side */
/*frank:add Buffer state 2001/11/15*/
#define SAVAGE_UPLOAD_BUFFERS 0x200
/* original marked off in MGA drivers , Jiayo Hsu Oct.23,2001 */
/* Keep these small for testing.
*/
#define SAVAGE_NR_SAREA_CLIPRECTS 8
/* 2 heaps (1 for card, 1 for agp), each divided into upto 128
* regions, subject to a minimum region size of (1<<16) == 64k.
*
* Clients may subdivide regions internally, but when sharing between
* clients, the region size is the minimum granularity.
*/
#define SAVAGE_CARD_HEAP 0
#define SAVAGE_AGP_HEAP 1
#define SAVAGE_NR_TEX_HEAPS 2
#define SAVAGE_NR_TEX_REGIONS 16 /* num. of global texture manage list element*/
#define SAVAGE_LOG_MIN_TEX_REGION_SIZE 16 /* each region 64K, Jiayo Hsu */
#endif /* __SAVAGE_SAREA_DEFINES__ */
/* drm_tex_region_t define in drm.h */
typedef drm_tex_region_t drm_savage_tex_region_t;
/* Setup registers for 2D, X server
*/
typedef struct {
unsigned int pitch;
} drm_savage_server_regs_t;
typedef struct _drm_savage_sarea {
/* The channel for communication of state information to the kernel
* on firing a vertex dma buffer.
*/
unsigned int setup[28]; /* 3D context registers */
drm_savage_server_regs_t server_state;
unsigned int dirty;
unsigned int vertsize; /* vertext size */
/* The current cliprects, or a subset thereof.
*/
drm_clip_rect_t boxes[SAVAGE_NR_SAREA_CLIPRECTS];
unsigned int nbox;
/* Information about the most recently used 3d drawable. The
* client fills in the req_* fields, the server fills in the
* exported_ fields and puts the cliprects into boxes, above.
*
* The client clears the exported_drawable field before
* clobbering the boxes data.
*/
unsigned int req_drawable; /* the X drawable id */
unsigned int req_draw_buffer; /* SAVAGE_FRONT or SAVAGE_BACK */
unsigned int exported_drawable;
unsigned int exported_index;
unsigned int exported_stamp;
unsigned int exported_buffers;
unsigned int exported_nfront;
unsigned int exported_nback;
int exported_back_x, exported_front_x, exported_w;
int exported_back_y, exported_front_y, exported_h;
drm_clip_rect_t exported_boxes[SAVAGE_NR_SAREA_CLIPRECTS];
/* Counters for aging textures and for client-side throttling.
*/
unsigned int status[4];
/* LRU lists for texture memory in agp space and on the card.
*/
drm_tex_region_t texList[SAVAGE_NR_TEX_HEAPS][SAVAGE_NR_TEX_REGIONS+1];
unsigned int texAge[SAVAGE_NR_TEX_HEAPS];
/* Mechanism to validate card state.
*/
int ctxOwner;
unsigned long shadow_status[64];/*too big?*/
/*agp offset*/
unsigned long agp_offset;
} drm_savage_sarea_t,*drm_savage_sarea_ptr;
typedef struct drm_savage_init {
unsigned long sarea_priv_offset;
int chipset;
int sgram;
unsigned int maccess;
unsigned int fb_cpp;
unsigned int front_offset, front_pitch;
unsigned int back_offset, back_pitch;
unsigned int depth_cpp;
unsigned int depth_offset, depth_pitch;
unsigned int texture_offset[SAVAGE_NR_TEX_HEAPS];
unsigned int texture_size[SAVAGE_NR_TEX_HEAPS];
unsigned long fb_offset;
unsigned long mmio_offset;
unsigned long status_offset;
} drm_savage_init_t;
typedef struct drm_savage_fullscreen {
enum {
SAVAGE_INIT_FULLSCREEN = 0x01,
SAVAGE_CLEANUP_FULLSCREEN = 0x02
} func;
} drm_savage_fullscreen_t;
typedef struct drm_savage_clear {
unsigned int flags;
unsigned int clear_color;
unsigned int clear_depth;
unsigned int color_mask;
unsigned int depth_mask;
} drm_savage_clear_t;
typedef struct drm_savage_vertex {
int idx; /* buffer to queue */
int used; /* bytes in use */
int discard; /* client finished with buffer? */
} drm_savage_vertex_t;
typedef struct drm_savage_indices {
int idx; /* buffer to queue */
unsigned int start;
unsigned int end;
int discard; /* client finished with buffer? */
} drm_savage_indices_t;
typedef struct drm_savage_iload {
int idx;
unsigned int dstorg;
unsigned int length;
} drm_savage_iload_t;
typedef struct _drm_savage_blit {
unsigned int planemask;
unsigned int srcorg;
unsigned int dstorg;
int src_pitch, dst_pitch;
int delta_sx, delta_sy;
int delta_dx, delta_dy;
int height, ydir; /* flip image vertically */
int source_pitch, dest_pitch;
} drm_savage_blit_t;
#endif

275
linux-core/savage_drv.c Normal file
View file

@ -0,0 +1,275 @@
/*
* 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 LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,0)
#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 = %d\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(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 */
#if 0 && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,18))
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 /* LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,0) */
#define DRIVER_IOCTLS
#endif /* LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,0) */
#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 },
#define __HAVE_COUNTERS 3
#define __HAVE_COUNTER6 _DRM_STAT_IRQ
#define __HAVE_COUNTER7 _DRM_STAT_PRIMARY
#define __HAVE_COUNTER8 _DRM_STAT_SECONDARY
#endif /* end #if 0 */
#include "drm_agpsupport.h"
#include "drm_auth.h"
#include "drm_bufs.h"
#include "drm_context.h"
#include "drm_dma.h"
#include "drm_drawable.h"
#include "drm_drv.h"
#include "drm_fops.h"
#include "drm_init.h"
#include "drm_ioctl.h"
#include "drm_lock.h"
#include "drm_memory.h"
#include "drm_proc.h"
#include "drm_vm.h"
#include "drm_stub.h"

27
linux-core/savage_drv.h Normal file
View file

@ -0,0 +1,27 @@
/*
* 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.
*/
#ifndef __SAVAGE_DRV_H__
#define __SAVAGE_DRV_H__
#endif /* end #ifndef __SAVAGE_DRV_ */

View file

@ -16,6 +16,7 @@ i830-objs := i830_drv.o i830_dma.o i830_irq.o
radeon-objs := radeon_drv.o radeon_cp.o radeon_state.o radeon_mem.o radeon_irq.o
sis-objs := sis_drv.o sis_ds.o sis_mm.o
ffb-objs := ffb_drv.o ffb_context.o
savage-objs := savage_drv.o savage_dma.o
# Kernel version checks
@ -30,7 +31,8 @@ endif
ifeq ($(BELOW25),y)
O_TARGET := drm.o
list-multi := gamma.o tdfx.o r128.o mga.o i810.o i830.o ffb.o radeon.o
list-multi := gamma.o tdfx.o r128.o mga.o i810.o i830.o ffb.o radeon.o \
savage.o
obj-m :=
obj-n :=
obj- :=
@ -45,6 +47,7 @@ obj-$(CONFIG_DRM_I810) += i810.o
obj-$(CONFIG_DRM_I830) += i830.o
obj-$(CONFIG_DRM_SIS) += sis.o
obj-$(CONFIG_DRM_FFB) += ffb.o
obj-$(CONFIG_DRM_SAVAGE)+= savage.o
ifeq ($(BELOW2552),y)
include $(TOPDIR)/Rules.make
@ -77,5 +80,8 @@ sis.o: $(sis-objs) $(lib)
ffb.o: $(ffb-objs) $(lib)
$(LD) -r -o $@ $(ffb-objs) $(lib)
savage.o: $(savage-objs) $(lib)
$(LD) -r -o $@ $(savage-objs) $(lib)
endif

View file

@ -44,7 +44,7 @@ endif
MACHINE := $(shell uname -m)
# Modules for all architectures
MODULE_LIST := gamma.o tdfx.o r128.o radeon.o mga.o sis.o
MODULE_LIST := gamma.o tdfx.o r128.o radeon.o mga.o sis.o savage.o
# Modules only for ix86 architectures
ifneq (,$(findstring 86,$(MACHINE)))
@ -83,6 +83,8 @@ I810HEADERS = i810.h i810_drv.h i810_drm.h $(DRMHEADERS) $(DRMTEMPLATES)
I830HEADERS = i830.h i830_drv.h i830_drm.h $(DRMHEADERS) $(DRMTEMPLATES)
SISHEADERS= sis.h sis_drv.h sis_drm.h $(DRMHEADERS)
SISSHARED= sis.h sis_drv.h sis_drm.h sis_ds.c sis_ds.h sis_mm.c
SAVAGEHEADERS= savage.h savage_drv.h savage_drm.h $(DRMHEADERS) \
$(DRMTEMPLATES)
SHAREDSRC = $(DRMSHARED) $(MGASHARED) $(R128SHARED) $(RADEONSHARED) \
$(SISSHARED) $(TDFXSHARED)
@ -314,6 +316,7 @@ CONFIG_DRM_RADEON := n
CONFIG_DRM_I830 := n
CONFIG_DRM_SIS := n
CONFIG_DRM_FFB := n
CONFIG_DRM_SAVAGE := n
# Enable module builds for the modules requested/supported.
@ -345,6 +348,9 @@ endif
ifneq (,$(findstring i830,$(DRM_MODULES)))
CONFIG_DRM_I830 := m
endif
ifneq (,$(findstring savage,$(DRM_MODULES)))
CONFIG_DRM_SAVAGE := m
endif
endif
include $(DRMSRCDIR)/Makefile.kernel
@ -359,6 +365,7 @@ $(i830-objs): $(I830HEADERS)
$(radeon-objs): $(RADEONHEADERS)
$(sis-objs): $(SISHEADERS)
$(ffb-objs): $(FFBHEADERS)
$(savage-objs): $(SAVAGEHEADERS)
endif

63
linux/savage.h Normal file
View file

@ -0,0 +1,63 @@
/*
* 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.
*/
#ifndef __SAVAGE_H__
#define __SAVAGE_H__
/* This remains constant for all DRM template files.
*/
#define DRM(x) savage_##x
/* General customization:
*/
#define __HAVE_AGP 1
#define __MUST_HAVE_AGP 1
#define __HAVE_MTRR 1
#define __HAVE_CTX_BITMAP 1
#define DRIVER_PCI_IDS \
{0x5333, 0x8a22, 0, "Savage4"}, \
{0x5333, 0x8a23, 0, "Savage4"}, \
{0x5333, 0x8c10, 0, "Savage/MX-MV"}, \
{0x5333, 0x8c11, 0, "Savage/MX"}, \
{0x5333, 0x8c12, 0, "Savage/IX-MV"}, \
{0x5333, 0x8c13, 0, "Savage/IX"}, \
{0x5333, 0x8c20, 0, "Savage 3D"}, \
{0x5333, 0x8c21, 0, "Savage 3D/MV"}, \
{0x5333, 0x8c22, 0, "SuperSavage MX/128"}, \
{0x5333, 0x8c24, 0, "SuperSavage MX/64"}, \
{0x5333, 0x8c26, 0, "SuperSavage MX/64C"}, \
{0x5333, 0x8c2a, 0, "SuperSavage IX/128 SDR"}, \
{0x5333, 0x8c2b, 0, "SuperSavage IX/128 DDR"}, \
{0x5333, 0x8c2c, 0, "SuperSavage IX/64 SDR"}, \
{0x5333, 0x8c2d, 0, "SuperSavage IX/64 DDR"}, \
{0x5333, 0x8c2e, 0, "SuperSavage IX/C SDR"}, \
{0x5333, 0x8c2f, 0, "SuperSavage IX/C DDR"}, \
{0x5333, 0x8a25, 0, "ProSavage PM133"}, \
{0x5333, 0x8a26, 0, "ProSavage KM133"}, \
{0x5333, 0x8d01, 0, "ProSavage PN133"}, \
{0x5333, 0x8d02, 0, "ProSavage KN133"}, \
{0x5333, 0x8d04, 0, "ProSavage DDR"}
#endif

38
linux/savage_dma.c Normal file
View file

@ -0,0 +1,38 @@
/*
* 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.
*/
/*=========================================================*/
#define __NO_VERSION__
#include "savage.h"
#include "drmP.h"
#include "savage_drv.h"
#include <linux/interrupt.h> /* For task queue support */
#include <linux/delay.h>
#define SAVAGE_DEFAULT_USEC_TIMEOUT 10000
#define SAVAGE_FREELIST_DEBUG 0

238
linux/savage_drm.h Normal file
View file

@ -0,0 +1,238 @@
/*
* 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.
*/
#ifndef __SAVAGE_DRM_H__
#define __SAVAGE_DRM_H__
#ifndef __SAVAGE_SAREA_DEFINES__
#define __SAVAGE_SAREA_DEFINES__
#define DRM_SAVAGE_MEM_PAGE (1UL<<12)
#define DRM_SAVAGE_MEM_WORK 32
#define DRM_SAVAGE_MEM_LOCATION_PCI 1
#define DRM_SAVAGE_MEM_LOCATION_AGP 2
#define DRM_SAVAGE_DMA_AGP_SIZE (16*1024*1024)
typedef struct drm_savage_alloc_cont_mem
{
size_t size; /*size of buffer*/
unsigned long type; /*4k page or word*/
unsigned long alignment;
unsigned long location; /*agp or pci*/
unsigned long phyaddress;
unsigned long linear;
} drm_savage_alloc_cont_mem_t;
typedef struct drm_savage_get_physcis_address
{
unsigned long v_address;
unsigned long p_address;
}drm_savage_get_physcis_address_t;
/*ioctl number*/
#define DRM_IOCTL_SAVAGE_ALLOC_CONTINUOUS_MEM \
DRM_IOWR(0x40,drm_savage_alloc_cont_mem_t)
#define DRM_IOCTL_SAVAGE_GET_PHYSICS_ADDRESS \
DRM_IOWR(0x41, drm_savage_get_physcis_address_t)
#define DRM_IOCTL_SAVAGE_FREE_CONTINUOUS_MEM \
DRM_IOWR(0x42, drm_savage_alloc_cont_mem_t)
#define SAVAGE_FRONT 0x1
#define SAVAGE_BACK 0x2
#define SAVAGE_DEPTH 0x4
#define SAVAGE_STENCIL 0x8
/* What needs to be changed for the current vertex dma buffer?
*/
#define SAVAGE_UPLOAD_CTX 0x1
#define SAVAGE_UPLOAD_TEX0 0x2
#define SAVAGE_UPLOAD_TEX1 0x4
#define SAVAGE_UPLOAD_PIPE 0x8 /* <- seems should be removed, Jiayo Hsu */
#define SAVAGE_UPLOAD_TEX0IMAGE 0x10 /* handled client-side */
#define SAVAGE_UPLOAD_TEX1IMAGE 0x20 /* handled client-side */
#define SAVAGE_UPLOAD_2D 0x40
#define SAVAGE_WAIT_AGE 0x80 /* handled client-side */
#define SAVAGE_UPLOAD_CLIPRECTS 0x100 /* handled client-side */
/*frank:add Buffer state 2001/11/15*/
#define SAVAGE_UPLOAD_BUFFERS 0x200
/* original marked off in MGA drivers , Jiayo Hsu Oct.23,2001 */
/* Keep these small for testing.
*/
#define SAVAGE_NR_SAREA_CLIPRECTS 8
/* 2 heaps (1 for card, 1 for agp), each divided into upto 128
* regions, subject to a minimum region size of (1<<16) == 64k.
*
* Clients may subdivide regions internally, but when sharing between
* clients, the region size is the minimum granularity.
*/
#define SAVAGE_CARD_HEAP 0
#define SAVAGE_AGP_HEAP 1
#define SAVAGE_NR_TEX_HEAPS 2
#define SAVAGE_NR_TEX_REGIONS 16 /* num. of global texture manage list element*/
#define SAVAGE_LOG_MIN_TEX_REGION_SIZE 16 /* each region 64K, Jiayo Hsu */
#endif /* __SAVAGE_SAREA_DEFINES__ */
/* drm_tex_region_t define in drm.h */
typedef drm_tex_region_t drm_savage_tex_region_t;
/* Setup registers for 2D, X server
*/
typedef struct {
unsigned int pitch;
} drm_savage_server_regs_t;
typedef struct _drm_savage_sarea {
/* The channel for communication of state information to the kernel
* on firing a vertex dma buffer.
*/
unsigned int setup[28]; /* 3D context registers */
drm_savage_server_regs_t server_state;
unsigned int dirty;
unsigned int vertsize; /* vertext size */
/* The current cliprects, or a subset thereof.
*/
drm_clip_rect_t boxes[SAVAGE_NR_SAREA_CLIPRECTS];
unsigned int nbox;
/* Information about the most recently used 3d drawable. The
* client fills in the req_* fields, the server fills in the
* exported_ fields and puts the cliprects into boxes, above.
*
* The client clears the exported_drawable field before
* clobbering the boxes data.
*/
unsigned int req_drawable; /* the X drawable id */
unsigned int req_draw_buffer; /* SAVAGE_FRONT or SAVAGE_BACK */
unsigned int exported_drawable;
unsigned int exported_index;
unsigned int exported_stamp;
unsigned int exported_buffers;
unsigned int exported_nfront;
unsigned int exported_nback;
int exported_back_x, exported_front_x, exported_w;
int exported_back_y, exported_front_y, exported_h;
drm_clip_rect_t exported_boxes[SAVAGE_NR_SAREA_CLIPRECTS];
/* Counters for aging textures and for client-side throttling.
*/
unsigned int status[4];
/* LRU lists for texture memory in agp space and on the card.
*/
drm_tex_region_t texList[SAVAGE_NR_TEX_HEAPS][SAVAGE_NR_TEX_REGIONS+1];
unsigned int texAge[SAVAGE_NR_TEX_HEAPS];
/* Mechanism to validate card state.
*/
int ctxOwner;
unsigned long shadow_status[64];/*too big?*/
/*agp offset*/
unsigned long agp_offset;
} drm_savage_sarea_t,*drm_savage_sarea_ptr;
typedef struct drm_savage_init {
unsigned long sarea_priv_offset;
int chipset;
int sgram;
unsigned int maccess;
unsigned int fb_cpp;
unsigned int front_offset, front_pitch;
unsigned int back_offset, back_pitch;
unsigned int depth_cpp;
unsigned int depth_offset, depth_pitch;
unsigned int texture_offset[SAVAGE_NR_TEX_HEAPS];
unsigned int texture_size[SAVAGE_NR_TEX_HEAPS];
unsigned long fb_offset;
unsigned long mmio_offset;
unsigned long status_offset;
} drm_savage_init_t;
typedef struct drm_savage_fullscreen {
enum {
SAVAGE_INIT_FULLSCREEN = 0x01,
SAVAGE_CLEANUP_FULLSCREEN = 0x02
} func;
} drm_savage_fullscreen_t;
typedef struct drm_savage_clear {
unsigned int flags;
unsigned int clear_color;
unsigned int clear_depth;
unsigned int color_mask;
unsigned int depth_mask;
} drm_savage_clear_t;
typedef struct drm_savage_vertex {
int idx; /* buffer to queue */
int used; /* bytes in use */
int discard; /* client finished with buffer? */
} drm_savage_vertex_t;
typedef struct drm_savage_indices {
int idx; /* buffer to queue */
unsigned int start;
unsigned int end;
int discard; /* client finished with buffer? */
} drm_savage_indices_t;
typedef struct drm_savage_iload {
int idx;
unsigned int dstorg;
unsigned int length;
} drm_savage_iload_t;
typedef struct _drm_savage_blit {
unsigned int planemask;
unsigned int srcorg;
unsigned int dstorg;
int src_pitch, dst_pitch;
int delta_sx, delta_sy;
int delta_dx, delta_dy;
int height, ydir; /* flip image vertically */
int source_pitch, dest_pitch;
} drm_savage_blit_t;
#endif

275
linux/savage_drv.c Normal file
View file

@ -0,0 +1,275 @@
/*
* 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 LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,0)
#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 = %d\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(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 */
#if 0 && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,18))
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 /* LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,0) */
#define DRIVER_IOCTLS
#endif /* LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,0) */
#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 },
#define __HAVE_COUNTERS 3
#define __HAVE_COUNTER6 _DRM_STAT_IRQ
#define __HAVE_COUNTER7 _DRM_STAT_PRIMARY
#define __HAVE_COUNTER8 _DRM_STAT_SECONDARY
#endif /* end #if 0 */
#include "drm_agpsupport.h"
#include "drm_auth.h"
#include "drm_bufs.h"
#include "drm_context.h"
#include "drm_dma.h"
#include "drm_drawable.h"
#include "drm_drv.h"
#include "drm_fops.h"
#include "drm_init.h"
#include "drm_ioctl.h"
#include "drm_lock.h"
#include "drm_memory.h"
#include "drm_proc.h"
#include "drm_vm.h"
#include "drm_stub.h"

27
linux/savage_drv.h Normal file
View file

@ -0,0 +1,27 @@
/*
* 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.
*/
#ifndef __SAVAGE_DRV_H__
#define __SAVAGE_DRV_H__
#endif /* end #ifndef __SAVAGE_DRV_ */