diff options
| -rw-r--r-- | linux/via.h | 46 | ||||
| -rw-r--r-- | linux/via_drm.h | 155 | ||||
| -rw-r--r-- | linux/via_drv.c | 66 | ||||
| -rw-r--r-- | linux/via_drv.h | 149 | ||||
| -rw-r--r-- | linux/via_ds.c | 399 | ||||
| -rw-r--r-- | linux/via_ds.h | 133 | ||||
| -rw-r--r-- | linux/via_map.c | 119 | ||||
| -rw-r--r-- | linux/via_mm.c | 346 | ||||
| -rw-r--r-- | linux/via_mm.h | 45 |
9 files changed, 1458 insertions, 0 deletions
diff --git a/linux/via.h b/linux/via.h new file mode 100644 index 00000000..55908f04 --- /dev/null +++ b/linux/via.h @@ -0,0 +1,46 @@ +/*
+ * 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 __VIA_H__
+#define __VIA_H__
+
+
+#define DRM(x) viadrv_##x
+
+
+#define __HAVE_AGP 1
+#define __MUST_HAVE_AGP 0
+#define __HAVE_MTRR 1
+#define __HAVE_CTX_BITMAP 1
+
+
+#define DRIVER_AGP_BUFFERS_MAP( dev ) \
+ ((drm_via_private_t *)((dev)->dev_private))->buffers
+
+extern int via_init_context(int context);
+extern int via_final_context(int context);
+
+#define DRIVER_CTX_CTOR via_init_context
+#define DRIVER_CTX_DTOR via_final_context
+
+#endif
diff --git a/linux/via_drm.h b/linux/via_drm.h new file mode 100644 index 00000000..38eb4647 --- /dev/null +++ b/linux/via_drm.h @@ -0,0 +1,155 @@ +/*
+ * 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 _VIA_DRM_H_
+#define _VIA_DRM_H_
+
+/* WARNING: These defines must be the same as what the Xserver uses.
+ * if you change them, you must change the defines in the Xserver.
+ */
+
+#ifndef _VIA_DEFINES_
+#define _VIA_DEFINES_
+
+#define VIA_DMA_BUF_ORDER 12
+#define VIA_DMA_BUF_SZ (1 << VIA_DMA_BUF_ORDER)
+#define VIA_DMA_BUF_NR 256
+#define VIA_NR_SAREA_CLIPRECTS 8
+
+/* Each region is a minimum of 64k, and there are at most 64 of them.
+ */
+#define VIA_NR_TEX_REGIONS 64
+#define VIA_LOG_MIN_TEX_REGION_SIZE 16
+#endif
+
+#define VIA_UPLOAD_TEX0IMAGE 0x1 /* handled clientside */
+#define VIA_UPLOAD_TEX1IMAGE 0x2 /* handled clientside */
+#define VIA_UPLOAD_CTX 0x4
+#define VIA_UPLOAD_BUFFERS 0x8
+#define VIA_UPLOAD_TEX0 0x10
+#define VIA_UPLOAD_TEX1 0x20
+#define VIA_UPLOAD_CLIPRECTS 0x40
+#define VIA_UPLOAD_ALL 0xff
+
+/* VIA specific ioctls */
+#define DRM_IOCTL_VIA_ALLOCMEM DRM_IOWR(0x40, drm_via_mem_t)
+#define DRM_IOCTL_VIA_FREEMEM DRM_IOW(0x41, drm_via_mem_t)
+#define DRM_IOCTL_VIA_AGP_INIT DRM_IOWR(0x42, drm_via_agp_t)
+#define DRM_IOCTL_VIA_FB_INIT DRM_IOWR(0x43, drm_via_fb_t)
+#define DRM_IOCTL_VIA_MAP_INIT DRM_IOWR(0x44, drm_via_init_t)
+
+/* Indices into buf.Setup where various bits of state are mirrored per
+ * context and per buffer. These can be fired at the card as a unit,
+ * or in a piecewise fashion as required.
+ */
+
+#define VIA_TEX_SETUP_SIZE 8
+
+/* Flags for clear ioctl
+ */
+#define VIA_FRONT 0x1
+#define VIA_BACK 0x2
+#define VIA_DEPTH 0x4
+#define VIA_STENCIL 0x8
+#define VIDEO 0
+#define AGP 1
+typedef struct {
+ unsigned int offset;
+ unsigned int size;
+} drm_via_agp_t;
+
+typedef struct {
+ unsigned int offset;
+ unsigned int size;
+} drm_via_fb_t;
+
+typedef struct {
+ unsigned int context;
+ unsigned int type;
+ unsigned int size;
+ unsigned long index;
+ unsigned long offset;
+} drm_via_mem_t;
+
+typedef struct _drm_via_init {
+ enum {
+ VIA_INIT_MAP = 0x01,
+ VIA_CLEANUP_MAP = 0x02
+ } func;
+
+ unsigned long sarea_priv_offset;
+ unsigned long fb_offset;
+ unsigned long mmio_offset;
+ unsigned long agpAddr;
+} drm_via_init_t;
+
+/* Warning: If you change the SAREA structure you must change the Xserver
+ * structure as well */
+
+typedef struct _drm_via_tex_region {
+ unsigned char next, prev; /* indices to form a circular LRU */
+ unsigned char inUse; /* owned by a client, or free? */
+ int age; /* tracked by clients to update local LRU's */
+} drm_via_tex_region_t;
+
+typedef struct _drm_via_sarea {
+ unsigned int dirty;
+ unsigned int nbox;
+ drm_clip_rect_t boxes[VIA_NR_SAREA_CLIPRECTS];
+ drm_via_tex_region_t texList[VIA_NR_TEX_REGIONS + 1];
+ int texAge; /* last time texture was uploaded */
+ int ctxOwner; /* last context to upload state */
+ int vertexPrim;
+} drm_via_sarea_t;
+
+typedef struct _drm_via_flush_agp {
+ unsigned int offset;
+ unsigned int size;
+ unsigned int index;
+ int discard; /* client is finished with the buffer? */
+} drm_via_flush_agp_t;
+
+typedef struct _drm_via_flush_sys {
+ unsigned int offset;
+ unsigned int size;
+ unsigned long index;
+ int discard; /* client is finished with the buffer? */
+} drm_via_flush_sys_t;
+
+#ifdef __KERNEL__
+int via_fb_init(struct inode *inode, struct file *filp, unsigned int cmd,
+ unsigned long arg);
+int via_mem_alloc(struct inode *inode, struct file *filp, unsigned int cmd,
+ unsigned long arg);
+int via_mem_free(struct inode *inode, struct file *filp, unsigned int cmd,
+ unsigned long arg);
+int via_agp_init(struct inode *inode, struct file *filp, unsigned int cmd,
+ unsigned long arg);
+int via_dma_alloc(struct inode *inode, struct file *filp, unsigned int cmd,
+ unsigned long arg);
+int via_dma_free(struct inode *inode, struct file *filp, unsigned int cmd,
+ unsigned long arg);
+int via_map_init(struct inode *inode, struct file *filp, unsigned int cmd,
+ unsigned long arg);
+#endif
+#endif /* _VIA_DRM_H_ */
diff --git a/linux/via_drv.c b/linux/via_drv.c new file mode 100644 index 00000000..6bd1bd79 --- /dev/null +++ b/linux/via_drv.c @@ -0,0 +1,66 @@ +/*
+ * 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 "via.h"
+#include "drmP.h"
+#include "via_drm.h"
+#include "via_drv.h"
+
+#define DRIVER_AUTHOR "VIA"
+
+#define DRIVER_NAME "via"
+#define DRIVER_DESC "VIA CLE 266"
+#define DRIVER_DATE "20020814"
+
+#define DRIVER_MAJOR 1
+#define DRIVER_MINOR 1
+#define DRIVER_PATCHLEVEL 0
+
+
+#define DRIVER_IOCTLS \
+ [DRM_IOCTL_NR(DRM_IOCTL_VIA_ALLOCMEM)] = { via_mem_alloc, 1, 0 }, \
+ [DRM_IOCTL_NR(DRM_IOCTL_VIA_FREEMEM)] = { via_mem_free, 1, 0 }, \
+ [DRM_IOCTL_NR(DRM_IOCTL_VIA_AGP_INIT)] = { via_agp_init, 1, 0 }, \
+ [DRM_IOCTL_NR(DRM_IOCTL_VIA_FB_INIT)] = { via_fb_init, 1, 0 }, \
+ [DRM_IOCTL_NR(DRM_IOCTL_VIA_MAP_INIT)] = { via_map_init, 1, 0 }
+
+
+#define __HAVE_COUNTERS 0
+
+#include "drm_auth.h"
+#include "drm_agpsupport.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_lists.h"
+#include "drm_lock.h"
+#include "drm_memory.h"
+#include "drm_proc.h"
+#include "drm_vm.h"
+#include "drm_stub.h"
diff --git a/linux/via_drv.h b/linux/via_drv.h new file mode 100644 index 00000000..1b731437 --- /dev/null +++ b/linux/via_drv.h @@ -0,0 +1,149 @@ +/*
+ * 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 _VIA_DRV_H_
+#define _VIA_DRV_H_
+
+typedef struct drm_via_private {
+ drm_via_sarea_t *sarea_priv;
+ drm_map_t *sarea;
+ drm_map_t *fb;
+ drm_map_t *mmio;
+ unsigned long agpAddr;
+} drm_via_private_t;
+
+extern int via_do_init_map(drm_device_t *dev, drm_via_init_t *init);
+extern int via_do_cleanup_map(drm_device_t *dev);
+extern int via_map_init(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg);
+
+/*=* [DBG] For RedHat7.3 insert kernel module has unresolved symbol
+ cmpxchg() *=*/
+
+/* Include this here so that driver can be used with older kernels. */
+#ifndef __HAVE_ARCH_CMPXCHG
+
+#ifdef CONFIG_SMP
+#define LOCK_PREFIX "lock ; "
+#else
+#define LOCK_PREFIX ""
+#endif
+
+#if defined(__alpha__)
+static __inline__ unsigned long
+__cmpxchg_u32(volatile int *m, int old, int new)
+{
+ unsigned long prev, cmp;
+
+ __asm__ __volatile__(
+ "1: ldl_l %0,%2\n"
+ " cmpeq %0,%3,%1\n"
+ " beq %1,2f\n"
+ " mov %4,%1\n"
+ " stl_c %1,%2\n"
+ " beq %1,3f\n"
+ "2: mb\n"
+ ".subsection 2\n"
+ "3: br 1b\n"
+ ".previous"
+ : "=&r"(prev), "=&r"(cmp), "=m"(*m)
+ : "r"((long) old), "r"(new), "m"(*m));
+
+ return prev;
+}
+
+static __inline__ unsigned long
+__cmpxchg_u64(volatile long *m, unsigned long old, unsigned long new)
+{
+ unsigned long prev, cmp;
+
+ __asm__ __volatile__(
+ "1: ldq_l %0,%2\n"
+ " cmpeq %0,%3,%1\n"
+ " beq %1,2f\n"
+ " mov %4,%1\n"
+ " stq_c %1,%2\n"
+ " beq %1,3f\n"
+ "2: mb\n"
+ ".subsection 2\n"
+ "3: br 1b\n"
+ ".previous"
+ : "=&r"(prev), "=&r"(cmp), "=m"(*m)
+ : "r"((long) old), "r"(new), "m"(*m));
+
+ return prev;
+}
+
+static __inline__ unsigned long
+__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
+{
+ switch (size) {
+ case 4:
+ return __cmpxchg_u32(ptr, old, new);
+ case 8:
+ return __cmpxchg_u64(ptr, old, new);
+ }
+ return old;
+}
+#define cmpxchg(ptr,o,n) \
+ ({ \
+ __typeof__(*(ptr)) _o_ = (o); \
+ __typeof__(*(ptr)) _n_ = (n); \
+ (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \
+ (unsigned long)_n_, sizeof(*(ptr))); \
+ })
+
+#elif __i386__
+static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
+ unsigned long new, int size)
+{
+ unsigned long prev;
+ switch (size) {
+ case 1:
+ __asm__ __volatile__(LOCK_PREFIX "cmpxchgb %b1,%2"
+ : "=a"(prev)
+ : "q"(new), "m"(*__xg(ptr)), "0"(old)
+ : "memory");
+ return prev;
+ case 2:
+ __asm__ __volatile__(LOCK_PREFIX "cmpxchgw %w1,%2"
+ : "=a"(prev)
+ : "q"(new), "m"(*__xg(ptr)), "0"(old)
+ : "memory");
+ return prev;
+ case 4:
+ __asm__ __volatile__(LOCK_PREFIX "cmpxchgl %1,%2"
+ : "=a"(prev)
+ : "q"(new), "m"(*__xg(ptr)), "0"(old)
+ : "memory");
+ return prev;
+ }
+ return old;
+}
+
+#define cmpxchg(ptr,o,n) \
+ ((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o), \
+ (unsigned long)(n),sizeof(*(ptr))))
+#endif /* i386 & alpha */
+#endif
+#endif
diff --git a/linux/via_ds.c b/linux/via_ds.c new file mode 100644 index 00000000..b4541648 --- /dev/null +++ b/linux/via_ds.c @@ -0,0 +1,399 @@ +/*
+ * 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 <linux/module.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/poll.h>
+#include <asm/io.h>
+#include <linux/pci.h>
+
+#include "via_ds.h"
+extern unsigned int VIA_DEBUG;
+
+set_t *setInit(void)
+{
+ int i;
+ set_t *set;
+ set = (set_t *)MALLOC(sizeof(set_t));
+ for (i = 0; i < SET_SIZE; i++) {
+ set->list[i].free_next = i+1;
+ set->list[i].alloc_next = -1;
+ }
+ set->list[SET_SIZE-1].free_next = -1;
+ set->free = 0;
+ set->alloc = -1;
+ set->trace = -1;
+ return set;
+}
+
+int setAdd(set_t *set, ITEM_TYPE item)
+{
+ int free = set->free;
+ if (free != -1) {
+ set->list[free].val = item;
+ set->free = set->list[free].free_next;
+ }
+ else {
+ return 0;
+ }
+ set->list[free].alloc_next = set->alloc;
+ set->alloc = free;
+ set->list[free].free_next = -1;
+ return 1;
+}
+
+int setDel(set_t *set, ITEM_TYPE item)
+{
+ int alloc = set->alloc;
+ int prev = -1;
+
+ while (alloc != -1) {
+ if (set->list[alloc].val == item) {
+ if (prev != -1)
+ set->list[prev].alloc_next = set->list[alloc].alloc_next;
+ else
+ set->alloc = set->list[alloc].alloc_next;
+ break;
+ }
+ prev = alloc;
+ alloc = set->list[alloc].alloc_next;
+ }
+
+ if (alloc == -1)
+ return 0;
+
+ set->list[alloc].free_next = set->free;
+ set->free = alloc;
+ set->list[alloc].alloc_next = -1;
+
+ return 1;
+}
+
+/* setFirst -> setAdd -> setNext is wrong */
+
+int setFirst(set_t *set, ITEM_TYPE *item)
+{
+ if (set->alloc == -1)
+ return 0;
+
+ *item = set->list[set->alloc].val;
+ set->trace = set->list[set->alloc].alloc_next;
+
+
+ return 1;
+}
+
+int setNext(set_t *set, ITEM_TYPE *item)
+{
+ if (set->trace == -1)
+ return 0;
+
+ *item = set->list[set->trace].val;
+ set->trace = set->list[set->trace].alloc_next;
+
+ return 1;
+}
+
+int setDestroy(set_t *set)
+{
+ FREE(set);
+
+ return 1;
+}
+
+#define ISFREE(bptr) ((bptr)->free)
+
+#define PRINTF(fmt, arg...) do{}while(0)
+#define fprintf(fmt, arg...) do{}while(0)
+
+static void *calloc(size_t nmemb, size_t size)
+{
+ void *addr;
+ addr = kmalloc(nmemb*size, GFP_KERNEL);
+ memset(addr, 0, nmemb*size);
+ return addr;
+}
+#define free(n) kfree(n)
+
+void mmDumpMemInfo( memHeap_t *heap )
+{
+ TMemBlock *p;
+
+ PRINTF ("Memory heap %p:\n", heap);
+
+ if (heap == 0)
+ PRINTF (" heap == 0\n");
+ else {
+ p = (TMemBlock *)heap;
+
+ while (p) {
+ PRINTF (" Offset:%08x, Size:%08x, %c%c\n",p->ofs,p->size,
+ p->free ? '.':'U',
+ p->reserved ? 'R':'.');
+ p = p->next;
+ }
+ }
+
+ PRINTF ("End of memory blocks\n");
+}
+
+memHeap_t *mmInit(int ofs,
+ int size)
+{
+ PMemBlock blocks;
+
+ if (size <= 0)
+ return 0;
+
+
+ blocks = (TMemBlock *)calloc(1,sizeof(TMemBlock));
+
+ if (blocks) {
+ blocks->ofs = ofs;
+ blocks->size = size;
+ blocks->free = 1;
+ return (memHeap_t *)blocks;
+ } else
+ return 0;
+}
+
+memHeap_t *mmAddRange(memHeap_t *heap,
+ int ofs,
+ int size)
+{
+ PMemBlock blocks;
+ blocks = (TMemBlock *) calloc(2,sizeof(TMemBlock));
+
+ if (blocks) {
+ blocks[0].size = size;
+ blocks[0].free = 1;
+ blocks[0].ofs = ofs;
+ blocks[0].next = &blocks[1];
+
+ /* Discontinuity - stops JoinBlock from trying to join non-adjacent
+ * ranges.
+ */
+ blocks[1].size = 0;
+ blocks[1].free = 0;
+ blocks[1].ofs = ofs+size;
+ blocks[1].next = (PMemBlock) heap;
+ return (memHeap_t *)blocks;
+ }
+else
+ return heap;
+}
+
+static TMemBlock* SliceBlock(TMemBlock *p,
+ int startofs, int size,
+ int reserved, int alignment)
+{
+ TMemBlock *newblock;
+
+ /* break left */
+ if (startofs > p->ofs) {
+ newblock = (TMemBlock*)calloc(1,sizeof(TMemBlock));
+ newblock->ofs = startofs;
+ newblock->size = p->size - (startofs - p->ofs);
+ newblock->free = 1;
+ newblock->next = p->next;
+ p->size -= newblock->size;
+ p->next = newblock;
+ p = newblock;
+ }
+
+ /* break right */
+ if (size < p->size) {
+ newblock = (TMemBlock*) calloc(1,sizeof(TMemBlock));
+ newblock->ofs = startofs + size;
+ newblock->size = p->size - size;
+ newblock->free = 1;
+ newblock->next = p->next;
+ p->size = size;
+ p->next = newblock;
+ }
+
+ /* p = middle block */
+ p->align = alignment;
+ p->free = 0;
+ p->reserved = reserved;
+ return p;
+}
+
+PMemBlock mmAllocMem(memHeap_t *heap, int size, int align2, int startSearch)
+{
+ int mask,startofs,endofs;
+ TMemBlock *p;
+
+ if (!heap || align2 < 0 || size <= 0)
+ return NULL;
+
+ mask = (1 << align2)-1;
+ startofs = 0;
+ p = (TMemBlock *)heap;
+
+ while (p) {
+ if (ISFREE(p)) {
+ startofs = (p->ofs + mask) & ~mask;
+
+ if ( startofs < startSearch )
+ startofs = startSearch;
+
+ endofs = startofs+size;
+
+ if (endofs <= (p->ofs+p->size))
+ break;
+ }
+
+ p = p->next;
+ }
+
+ if (!p)
+ return NULL;
+
+ p = SliceBlock(p,startofs,size,0,mask+1);
+ p->heap = heap;
+
+ return p;
+}
+
+static __inline__ int Join2Blocks(TMemBlock *p)
+{
+ if (p->free && p->next && p->next->free) {
+ TMemBlock *q = p->next;
+ p->size += q->size;
+ p->next = q->next;
+ free(q);
+
+ return 1;
+ }
+
+ return 0;
+}
+
+int mmFreeMem(PMemBlock b)
+{
+ TMemBlock *p,*prev;
+
+ if (!b)
+ return 0;
+
+ if (!b->heap) {
+ fprintf(stderr, "no heap\n");
+
+ return -1;
+ }
+
+ p = b->heap;
+ prev = NULL;
+
+ while (p && p != b) {
+ prev = p;
+ p = p->next;
+ }
+
+ if (!p || p->free || p->reserved) {
+ if (!p)
+ fprintf(stderr, "block not found in heap\n");
+ else if (p->free)
+ fprintf(stderr, "block already free\n");
+ else
+ fprintf(stderr, "block is reserved\n");
+
+
+ return -1;
+ }
+
+ p->free = 1;
+ Join2Blocks(p);
+
+ if (prev)
+ Join2Blocks(prev);
+
+ return 0;
+}
+
+int mmReserveMem(memHeap_t *heap, int offset,int size)
+{
+ int endofs;
+ TMemBlock *p;
+
+ if (!heap || size <= 0)
+ return -1;
+ endofs = offset+size;
+ p = (TMemBlock *)heap;
+
+ while (p && p->ofs <= offset) {
+ if (ISFREE(p) && endofs <= (p->ofs+p->size)) {
+ SliceBlock(p,offset,size,1,1);
+ return 0;
+ }
+ p = p->next;
+ }
+ return -1;
+}
+
+int mmFreeReserved(memHeap_t *heap, int offset)
+{
+ TMemBlock *p,*prev;
+
+ if (!heap)
+ return -1;
+
+ p = (TMemBlock *)heap;
+ prev = NULL;
+
+ while (p && p->ofs != offset) {
+ prev = p;
+ p = p->next;
+ }
+
+ if (!p || !p->reserved)
+ return -1;
+ p->free = 1;
+ p->reserved = 0;
+ Join2Blocks(p);
+
+ if (prev)
+ Join2Blocks(prev);
+
+ return 0;
+}
+
+void mmDestroy(memHeap_t *heap)
+{
+ TMemBlock *p,*q;
+
+ if (!heap)
+ return;
+ p = (TMemBlock *)heap;
+
+ while (p) {
+ q = p->next;
+ free(p);
+ p = q;
+ }
+}
diff --git a/linux/via_ds.h b/linux/via_ds.h new file mode 100644 index 00000000..ab4e19b7 --- /dev/null +++ b/linux/via_ds.h @@ -0,0 +1,133 @@ +/*
+ * 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 _via_ds_h_
+#define _via_ds_h_
+
+/* Set Data Structure */
+
+#define SET_SIZE 5000
+#define MALLOC(s) kmalloc(s, GFP_KERNEL)
+#define FREE(s) kfree(s)
+
+typedef unsigned int ITEM_TYPE;
+
+typedef struct {
+ ITEM_TYPE val;
+ int alloc_next, free_next;
+} list_item_t;
+
+typedef struct {
+ int alloc;
+ int free;
+ int trace;
+ list_item_t list[SET_SIZE];
+} set_t;
+
+set_t *setInit(void);
+int setAdd(set_t *set, ITEM_TYPE item);
+int setDel(set_t *set, ITEM_TYPE item);
+int setFirst(set_t *set, ITEM_TYPE *item);
+int setNext(set_t *set, ITEM_TYPE *item);
+int setDestroy(set_t *set);
+
+#endif
+
+
+#ifndef MM_INC
+#define MM_INC
+
+struct mem_block_t {
+ struct mem_block_t *next;
+ struct mem_block_t *heap;
+ int ofs,size;
+ int align;
+ int free:1;
+ int reserved:1;
+};
+typedef struct mem_block_t TMemBlock;
+typedef struct mem_block_t *PMemBlock;
+
+/* a heap is just the first block in a chain */
+typedef struct mem_block_t memHeap_t;
+
+static __inline__ int mmBlockSize(PMemBlock b)
+{ return b->size; }
+
+static __inline__ int mmOffset(PMemBlock b)
+{ return b->ofs; }
+
+static __inline__ void mmMarkReserved(PMemBlock b)
+{ b->reserved = 1; }
+
+/*
+ * input: total size in bytes
+ * return: a heap pointer if OK, NULL if error
+ */
+memHeap_t *mmInit(int ofs, int size);
+
+
+
+memHeap_t *mmAddRange(memHeap_t *heap,
+ int ofs,
+ int size);
+
+
+/*
+ * Allocate 'size' bytes with 2^align2 bytes alignment,
+ * restrict the search to free memory after 'startSearch'
+ * depth and back buffers should be in different 4mb banks
+ * to get better page hits if possible
+ * input: size = size of block
+ * align2 = 2^align2 bytes alignment
+ * startSearch = linear offset from start of heap to begin search
+ * return: pointer to the allocated block, 0 if error
+ */
+PMemBlock mmAllocMem(memHeap_t *heap, int size, int align2, int startSearch);
+
+/*
+ * Free block starts at offset
+ * input: pointer to a block
+ * return: 0 if OK, -1 if error
+ */
+int mmFreeMem(PMemBlock b);
+
+/*
+ * Reserve 'size' bytes block start at offset
+ * This is used to prevent allocation of memory already used
+ * by the X server for the front buffer, pixmaps, and cursor
+ * input: size, offset
+ * output: 0 if OK, -1 if error
+ */
+int mmReserveMem(memHeap_t *heap, int offset,int size);
+int mmFreeReserved(memHeap_t *heap, int offset);
+
+/*
+ * destroy MM
+ */
+void mmDestroy(memHeap_t *mmInit);
+
+/* For debuging purpose. */
+void mmDumpMemInfo(memHeap_t *mmInit);
+
+#endif
diff --git a/linux/via_map.c b/linux/via_map.c new file mode 100644 index 00000000..9e42a0b1 --- /dev/null +++ b/linux/via_map.c @@ -0,0 +1,119 @@ +/*
+ * 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 "via.h"
+#include "drmP.h"
+#include "via_drv.h"
+
+int via_do_init_map(drm_device_t *dev, drm_via_init_t *init)
+{
+ drm_via_private_t *dev_priv;
+ struct list_head *list;
+
+ DRM_DEBUG("%s\n", __FUNCTION__);
+
+ dev_priv = DRM(alloc)(sizeof(drm_via_private_t), DRM_MEM_DRIVER);
+ if (dev_priv == NULL)
+ return -ENOMEM;
+
+ memset(dev_priv, 0, sizeof(drm_via_private_t));
+
+ list_for_each(list, &dev->maplist->head) {
+ drm_map_list_t *r_list = (drm_map_list_t *)list;
+ if ( r_list->map &&
+ r_list->map->type == _DRM_SHM &&
+ r_list->map->flags & _DRM_CONTAINS_LOCK) {
+ dev_priv->sarea = r_list->map;
+ break;
+ }
+ }
+ if (!dev_priv->sarea) {
+ DRM_ERROR("could not find sarea!\n");
+ dev->dev_private = (void *)dev_priv;
+ via_do_cleanup_map(dev);
+ return -EINVAL;
+ }
+
+ DRM_FIND_MAP(dev_priv->fb, init->fb_offset);
+ if (!dev_priv->fb) {
+ DRM_ERROR("could not find framebuffer!\n");
+ dev->dev_private = (void *)dev_priv;
+ via_do_cleanup_map(dev);
+ return -EINVAL;
+ }
+ DRM_FIND_MAP(dev_priv->mmio, init->mmio_offset);
+ if (!dev_priv->mmio) {
+ DRM_ERROR("could not find mmio region!\n");
+ dev->dev_private = (void *)dev_priv;
+ via_do_cleanup_map(dev);
+ return -EINVAL;
+ }
+
+ dev_priv->sarea_priv =
+ (drm_via_sarea_t *)((u8 *)dev_priv->sarea->handle +
+ init->sarea_priv_offset);
+
+ dev_priv->agpAddr = init->agpAddr;
+
+ dev->dev_private = (void *)dev_priv;
+
+ return 0;
+}
+
+int via_do_cleanup_map(drm_device_t *dev)
+{
+ if (dev->dev_private) {
+
+ drm_via_private_t *dev_priv = dev->dev_private;
+
+ DRM(free)(dev_priv, sizeof(drm_via_private_t),
+ DRM_MEM_DRIVER);
+ dev->dev_private = NULL;
+ }
+
+ return 0;
+}
+
+int via_map_init(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg)
+{
+ drm_file_t *priv = filp->private_data;
+ drm_device_t *dev = priv->dev;
+ drm_via_init_t init;
+
+ DRM_DEBUG("%s\n", __FUNCTION__);
+
+ if (copy_from_user(&init, (drm_via_init_t *)arg, sizeof(init)))
+ return -EFAULT;
+
+ switch (init.func) {
+ case VIA_INIT_MAP:
+ return via_do_init_map(dev, &init);
+ case VIA_CLEANUP_MAP:
+ return via_do_cleanup_map(dev);
+ }
+
+ return -EINVAL;
+}
+
diff --git a/linux/via_mm.c b/linux/via_mm.c new file mode 100644 index 00000000..9bf7624d --- /dev/null +++ b/linux/via_mm.c @@ -0,0 +1,346 @@ +/*
+ * 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 "via.h"
+#include "drmP.h"
+#include "via_drm.h"
+#include "via_drv.h"
+#include "via_ds.h"
+#include "via_mm.h"
+
+#define MAX_CONTEXT 100
+
+unsigned int VIA_DEBUG = 1;
+
+typedef struct {
+ int used;
+ int context;
+ set_t *sets[2]; /* 0 for frame buffer, 1 for AGP , 2 for System*/
+} via_context_t;
+
+static via_context_t global_ppriv[MAX_CONTEXT];
+
+static int add_alloc_set(int context, int type, unsigned int val)
+{
+ int i, retval = 0;
+
+ for (i = 0; i < MAX_CONTEXT; i++)
+ {
+ if (global_ppriv[i].used && global_ppriv[i].context == context) {
+ retval = setAdd(global_ppriv[i].sets[type], val);
+ break;
+ }
+ }
+
+ return retval;
+}
+
+static int del_alloc_set(int context, int type, unsigned int val)
+{
+ int i, retval = 0;
+
+ for (i = 0; i < MAX_CONTEXT; i++)
+ if (global_ppriv[i].used && global_ppriv[i].context == context) {
+ retval = setDel(global_ppriv[i].sets[type], val);
+ break;
+ }
+
+ return retval;
+}
+
+/* agp memory management */
+static memHeap_t *AgpHeap = NULL;
+
+int via_agp_init(struct inode *inode, struct file *filp, unsigned int cmd,
+ unsigned long arg)
+{
+ drm_via_agp_t agp;
+
+ if (copy_from_user(&agp, (drm_via_agp_t *)arg, sizeof(agp)))
+ return -EFAULT;
+
+ AgpHeap = mmInit(agp.offset, agp.size);
+
+ DRM_DEBUG("offset = %u, size = %u", agp.offset, agp.size);
+
+ return 0;
+}
+
+/* fb memory management */
+static memHeap_t *FBHeap = NULL;
+
+int via_fb_init(struct inode *inode, struct file *filp, unsigned int cmd,
+ unsigned long arg)
+{
+ drm_via_fb_t fb;
+
+
+ if (copy_from_user(&fb, (drm_via_fb_t *)arg, sizeof(fb)))
+ return -EFAULT;
+
+ FBHeap = mmInit(fb.offset, fb.size);
+
+ DRM_DEBUG("offset = %u, size = %u", fb.offset, fb.size);
+
+ return 0;
+}
+
+int via_init_context(int context)
+{
+ int i;
+
+ for (i = 0; i < MAX_CONTEXT ; i++)
+ if (global_ppriv[i].used && (global_ppriv[i].context == context))
+ break;
+
+ if (i >= MAX_CONTEXT) {
+ for (i = 0; i < MAX_CONTEXT ; i++) {
+ if (!global_ppriv[i].used) {
+ global_ppriv[i].context = context;
+ global_ppriv[i].used = 1;
+ global_ppriv[i].sets[0] = setInit();
+ global_ppriv[i].sets[1] = setInit();
+ DRM_DEBUG("init allocation set, socket=%d, context = %d\n",
+ i, context);
+ break;
+ }
+ }
+
+ if ((i >= MAX_CONTEXT) || (global_ppriv[i].sets[0] == NULL) ||
+ (global_ppriv[i].sets[1] == NULL)) {
+ return 0;
+ }
+ }
+
+ return 1;
+}
+
+int via_final_context(int context)
+{
+ int i;
+ for (i=0; i<MAX_CONTEXT; i++)
+ if (global_ppriv[i].used && (global_ppriv[i].context == context))
+ break;
+
+ if (i < MAX_CONTEXT) {
+ set_t *set;
+ unsigned int item;
+ int retval;
+
+ DRM_DEBUG("find socket %d, context = %d\n", i, context);
+
+ /* Video Memory */
+ set = global_ppriv[i].sets[0];
+ retval = setFirst(set, &item);
+ while (retval) {
+ DRM_DEBUG("free video memory 0x%x\n", item);
+ mmFreeMem((PMemBlock)item);
+ retval = setNext(set, &item);
+ }
+ setDestroy(set);
+
+ /* AGP Memory */
+ set = global_ppriv[i].sets[1];
+ retval = setFirst(set, &item);
+ while (retval) {
+ DRM_DEBUG("free agp memory 0x%x\n", item);
+ mmFreeMem((PMemBlock)item);
+ retval = setNext(set, &item);
+ }
+ setDestroy(set);
+
+ global_ppriv[i].used = 0;
+ }
+
+ return 1;
+}
+int via_mem_alloc(struct inode *inode, struct file *filp, unsigned int cmd,
+ unsigned long arg)
+{
+ drm_via_mem_t mem;
+
+ if (copy_from_user(&mem, (drm_via_mem_t *)arg, sizeof(mem)))
+ return -EFAULT;
+
+ switch (mem.type) {
+ case VIDEO :
+ if (via_fb_alloc(&mem) < 0)
+ return -EFAULT;
+ if (copy_to_user((drm_via_mem_t *)arg, &mem, sizeof(mem)))
+ return -EFAULT;
+ return 0;
+ case AGP :
+ if (via_agp_alloc(&mem) < 0)
+ return -EFAULT;
+ if (copy_to_user((drm_via_mem_t *)arg, &mem, sizeof(mem)))
+ return -EFAULT;
+ return 0;
+ }
+
+ return -EFAULT;
+}
+int via_fb_alloc(drm_via_mem_t* mem)
+{
+ drm_via_mm_t fb;
+ PMemBlock block;
+ int retval = 0;
+
+ if (!FBHeap)
+ return -1;
+
+ fb.size = mem->size;
+ fb.context = mem->context;
+
+ block = mmAllocMem(FBHeap, fb.size, 5, 0);
+ if (block) {
+ fb.offset = block->ofs;
+ fb.free = (unsigned int)block;
+ if (!add_alloc_set(fb.context, VIDEO, fb.free)) {
+ DRM_DEBUG("adding to allocation set fails\n");
+ mmFreeMem((PMemBlock)fb.free);
+ retval = -1;
+ }
+ }
+ else {
+ fb.offset = 0;
+ fb.size = 0;
+ fb.free = 0;
+ }
+
+ mem->offset = fb.offset;
+ mem->index = fb.free;
+
+ DRM_DEBUG("alloc fb, size = %d, offset = %d\n", fb.size, (int)fb.offset);
+
+ return retval;
+}
+int via_agp_alloc(drm_via_mem_t* mem)
+{
+ drm_via_mm_t agp;
+ PMemBlock block;
+ int retval = 0;
+
+ if (!AgpHeap)
+ return -1;
+
+ agp.size = mem->size;
+ agp.context = mem->context;
+
+ block = mmAllocMem(AgpHeap, agp.size, 5, 0);
+ if (block) {
+ agp.offset = block->ofs;
+ agp.free = (unsigned int)block;
+ if (!add_alloc_set(agp.context, AGP, agp.free)) {
+ DRM_DEBUG("adding to allocation set fails\n");
+ mmFreeMem((PMemBlock)agp.free);
+ retval = -1;
+ }
+ }
+ else {
+ agp.offset = 0;
+ agp.size = 0;
+ agp.free = 0;
+ }
+
+ mem->offset = agp.offset;
+ mem->index = agp.free;
+
+ DRM_DEBUG("alloc agp, size = %d, offset = %d\n", agp.size, (unsigned int)agp.offset);
+ return retval;
+}
+int via_mem_free(struct inode *inode, struct file *filp, unsigned int cmd,
+ unsigned long arg)
+{
+ drm_via_mem_t mem;
+
+ if (copy_from_user(&mem, (drm_via_mem_t *)arg, sizeof(mem)))
+ return -EFAULT;
+
+ switch (mem.type) {
+
+ case VIDEO :
+ if (via_fb_free(&mem) == 0)
+ return 0;
+ break;
+ case AGP :
+ if (via_agp_free(&mem) == 0)
+ return 0;
+ break;
+ }
+
+ return -EFAULT;
+}
+int via_fb_free(drm_via_mem_t* mem)
+{
+ drm_via_mm_t fb;
+ int retval = 0;
+
+
+ if (!FBHeap) {
+ return -1;
+ }
+
+ fb.free = mem->index;
+ fb.context = mem->context;
+
+ if (!fb.free)
+ {
+ return -1;
+
+ }
+
+ mmFreeMem((PMemBlock)fb.free);
+
+ if (!del_alloc_set(fb.context, VIDEO, fb.free))
+ {
+ retval = -1;
+ }
+
+ DRM_DEBUG("free fb, free = %d\n", fb.free);
+
+ return retval;
+}
+int via_agp_free(drm_via_mem_t* mem)
+{
+ drm_via_mm_t agp;
+
+ int retval = 0;
+
+ agp.free = mem->index;
+ agp.context = mem->context;
+
+ if (!agp.free)
+ return -1;
+
+ mmFreeMem((PMemBlock)agp.free);
+
+ if (!del_alloc_set(agp.context, AGP, agp.free))
+ {
+ retval = -1;
+ }
+
+ DRM_DEBUG("free agp, free = %d\n", agp.free);
+
+ return retval;
+}
diff --git a/linux/via_mm.h b/linux/via_mm.h new file mode 100644 index 00000000..faa4bf7e --- /dev/null +++ b/linux/via_mm.h @@ -0,0 +1,45 @@ +/*
+ * 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 _via_drm_mm_h_
+#define _via_drm_mm_h_
+
+typedef struct {
+ unsigned int context;
+ unsigned int size;
+ unsigned long offset;
+ unsigned int free;
+} drm_via_mm_t;
+
+typedef struct {
+ unsigned int size;
+ unsigned long handle;
+ void *virtual;
+} drm_via_dma_t;
+
+int via_fb_alloc(drm_via_mem_t *mem);
+int via_fb_free(drm_via_mem_t *mem);
+int via_agp_alloc(drm_via_mem_t *mem);
+int via_agp_free(drm_via_mem_t *mem);
+
+#endif
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