Port the SiS DRM to FreeBSD. This includes the ability for the DRM to

    allocate framebuffer memory without sisfb, and a new ioctl to be used
    by the X Server which tells the DRM what region of framebuffer memory
    to allocate from. Also fixes a possibility to panic the kernel I
    believe. Tested on linux with sisfb and FreeBSD (without sisfb) with
    new DRI only.

7 files changed, 1 insertions, 1051 deletions

diff --git a/linux/Makefile.linux b/linux/Makefile.linux
index c3451399..9de67667 100644
--- a/linux/Makefile.linux
+++ b/linux/Makefile.linux
@@ -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
 
 # Modules only for ix86 architectures
 ifneq (,$(findstring 86,$(MACHINE)))
diff --git a/linux/sis.h b/linux/sis.h
deleted file mode 100644
index bc66f4dc..00000000
--- a/linux/sis.h
+++ /dev/null
@@ -1,81 +0,0 @@
-/* sis_drv.h -- Private header for sis driver -*- linux-c -*-
- *
- * 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
- * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- * 
- */
-/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/sis.h,v 1.3 2002/10/30 12:52:38 alanh Exp $ */
-
-#ifndef __SIS_H__
-#define __SIS_H__
-
-/* This remains constant for all DRM template files.
- * Name it sisdrv_##x as there's a conflict with sis_free/malloc in the kernel
- * that's used for fb devices 
- */
-#define DRM(x) sisdrv_##x
-
-/* General customization:
- */
-#define __HAVE_AGP		1
-#define __MUST_HAVE_AGP		0
-#define __HAVE_MTRR		1
-#define __HAVE_CTX_BITMAP	1
-
-#define DRIVER_AUTHOR	 "SIS"
-#define DRIVER_NAME	 "sis"
-#define DRIVER_DESC	 "SIS 300/630/540"
-#define DRIVER_DATE	 "20010503"
-#define DRIVER_MAJOR	 1
-#define DRIVER_MINOR	 0
-#define DRIVER_PATCHLEVEL  0
-
-#define DRIVER_IOCTLS \
-        [DRM_IOCTL_NR(SIS_IOCTL_FB_ALLOC)]   = { sis_fb_alloc,	  1, 0 }, \
-        [DRM_IOCTL_NR(SIS_IOCTL_FB_FREE)]    = { sis_fb_free,	  1, 0 }, \
-        /* AGP Memory Management */					  \
-        [DRM_IOCTL_NR(SIS_IOCTL_AGP_INIT)]   = { sisp_agp_init,	  1, 0 }, \
-        [DRM_IOCTL_NR(SIS_IOCTL_AGP_ALLOC)]  = { sisp_agp_alloc,  1, 0 }, \
-        [DRM_IOCTL_NR(SIS_IOCTL_AGP_FREE)]   = { sisp_agp_free,	  1, 0 }
-#if 0 /* these don't appear to be defined */
-	/* SIS Stereo */						 
-	[DRM_IOCTL_NR(DRM_IOCTL_CONTROL)]    = { sis_control,	  1, 1 }, 
-        [DRM_IOCTL_NR(SIS_IOCTL_FLIP)]       = { sis_flip,	  1, 1 }, 
-        [DRM_IOCTL_NR(SIS_IOCTL_FLIP_INIT)]  = { sis_flip_init,	  1, 1 }, 
-        [DRM_IOCTL_NR(SIS_IOCTL_FLIP_FINAL)] = { sis_flip_final,  1, 1 }
-#endif
-
-#define __HAVE_COUNTERS		5
-
-/* Buffer customization:
- */
-#define DRIVER_AGP_BUFFERS_MAP( dev )					\
-	((drm_sis_private_t *)((dev)->dev_private))->buffers
-
-extern int sis_init_context(int context);
-extern int sis_final_context(int context);
-
-#define DRIVER_CTX_CTOR sis_init_context
-#define DRIVER_CTX_DTOR sis_final_context
-
-#endif
diff --git a/linux/sis_drm.h b/linux/sis_drm.h
deleted file mode 100644
index 8aaee224..00000000
--- a/linux/sis_drm.h
+++ /dev/null
@@ -1,46 +0,0 @@
-
-#ifndef _sis_drm_public_h_
-#define _sis_drm_public_h_
-
-/* SiS specific ioctls */
-#define SIS_IOCTL_FB_ALLOC		DRM_IOWR(0x44, drm_sis_mem_t)
-#define SIS_IOCTL_FB_FREE		DRM_IOW( 0x45, drm_sis_mem_t)
-#define SIS_IOCTL_AGP_INIT		DRM_IOWR(0x53, drm_sis_agp_t)
-#define SIS_IOCTL_AGP_ALLOC		DRM_IOWR(0x54, drm_sis_mem_t)
-#define SIS_IOCTL_AGP_FREE		DRM_IOW( 0x55, drm_sis_mem_t)
-#define SIS_IOCTL_FLIP			DRM_IOW( 0x48, drm_sis_flip_t)
-#define SIS_IOCTL_FLIP_INIT		DRM_IO(  0x49)
-#define SIS_IOCTL_FLIP_FINAL		DRM_IO(  0x50)
-
-typedef struct {
-  int context;
-  unsigned int offset;
-  unsigned int size;
-  unsigned int free;
-} drm_sis_mem_t;
-
-typedef struct {
-  unsigned int offset, size;
-} drm_sis_agp_t;
-
-typedef struct {
-  unsigned int left, right;
-} drm_sis_flip_t;
-
-#ifdef __KERNEL__
-
-int sis_fb_alloc(struct inode *inode, struct file *filp, unsigned int cmd,
-		  unsigned long arg);
-int sis_fb_free(struct inode *inode, struct file *filp, unsigned int cmd,
-		  unsigned long arg);
-
-int sisp_agp_init(struct inode *inode, struct file *filp, unsigned int cmd,
-		  unsigned long arg);
-int sisp_agp_alloc(struct inode *inode, struct file *filp, unsigned int cmd,
-		  unsigned long arg);
-int sisp_agp_free(struct inode *inode, struct file *filp, unsigned int cmd,
-		  unsigned long arg);
-
-#endif
-
-#endif
diff --git a/linux/sis_drv.h b/linux/sis_drv.h
deleted file mode 100644
index 844e38b0..00000000
--- a/linux/sis_drv.h
+++ /dev/null
@@ -1,45 +0,0 @@
-/* sis_drv.h -- Private header for sis driver -*- linux-c -*-
- *
- * 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
- * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- * 
- */
-
-#ifndef _SIS_DRV_H_
-#define _SIS_DRV_H_
-
-typedef struct drm_sis_private {
-	drm_map_t *buffers;
-} drm_sis_private_t;
-
-/* Stereo ? - this was never committed */
-
-int sis_flip(struct inode *inode, struct file *filp, unsigned int cmd,
-		  unsigned long arg);
-int sis_flip_init(struct inode *inode, struct file *filp, unsigned int cmd,
-		  unsigned long arg);
-int sis_flip_final(struct inode *inode, struct file *filp, unsigned int cmd,
-		  unsigned long arg);
-void flip_final(void);
-
-#endif
diff --git a/linux/sis_ds.c b/linux/sis_ds.c
deleted file mode 100644
index f55cf6ab..00000000
--- a/linux/sis_ds.c
+++ /dev/null
@@ -1,408 +0,0 @@
-/* sis_ds.c -- Private header for Direct Rendering Manager -*- linux-c -*-
- * Created: Mon Jan  4 10:05:05 1999 by sclin@sis.com.tw
- *
- * Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan.
- * All rights reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- * 
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- * 
- * Authors:
- *    Sung-Ching Lin <sclin@sis.com.tw>
- * 
- */
-
-#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 "sis_ds.h"
-
-/* Set Data Structure, not check repeated value
- * temporarily used
- */
-
-set_t *setInit(void)
-{
-  int i;
-  set_t *set;
-
-  set = (set_t *)MALLOC(sizeof(set_t));
-  if (set) {
-    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;
-}
-
-/*
- * GLX Hardware Device Driver common code
- * Copyright (C) 1999 Keith Whitwell
- *
- * 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 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
- * KEITH WHITWELL, OR ANY OTHER CONTRIBUTORS 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 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);
-  if (addr)
-    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;
-}
-
-/* Kludgey workaround for existing i810 server.  Remove soon.
- */
-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/sis_ds.h b/linux/sis_ds.h
deleted file mode 100644
index c3367dba..00000000
--- a/linux/sis_ds.h
+++ /dev/null
@@ -1,163 +0,0 @@
-/* sis_ds.h -- Private header for Direct Rendering Manager -*- linux-c -*-
- * Created: Mon Jan  4 10:05:05 1999 by sclin@sis.com.tw
- *
- * Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan.
- * All rights reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- * 
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- * 
- * Authors:
- *    Sung-Ching Lin <sclin@sis.com.tw>
- * 
- */
-
-#ifndef _sis_ds_h_
-#define _sis_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
-
-/*
- * GLX Hardware Device Driver common code
- * Copyright (C) 1999 Keith Whitwell
- *
- * 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 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
- * KEITH WHITWELL, OR ANY OTHER CONTRIBUTORS 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 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/sis_mm.c b/linux/sis_mm.c
deleted file mode 100644
index b2aa22d4..00000000
--- a/linux/sis_mm.c
+++ /dev/null
@@ -1,307 +0,0 @@
-/* sis_mm.c -- Private header for Direct Rendering Manager -*- linux-c -*-
- * Created: Mon Jan  4 10:05:05 1999 by sclin@sis.com.tw
- *
- * Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan.
- * All rights reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- * 
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- * 
- * Authors:
- *    Sung-Ching Lin <sclin@sis.com.tw>
- * 
- */
-
-#define __NO_VERSION__
-#include "sis.h"
-#include <linux/sisfb.h>
-#include "drmP.h"
-#include "sis_drm.h"
-#include "sis_drv.h"
-#include "sis_ds.h"
-
-#define MAX_CONTEXT 100
-#define VIDEO_TYPE 0 
-#define AGP_TYPE 1
-
-typedef struct {
-  int used;
-  int context;
-  set_t *sets[2]; /* 0 for video, 1 for AGP */
-} sis_context_t;
-
-static sis_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;
-}
-
-/* fb management via fb device */ 
-#if 1
-int sis_fb_alloc(struct inode *inode, struct file *filp, unsigned int cmd,
-		  unsigned long arg)
-{
-  drm_sis_mem_t fb;
-  struct sis_memreq req;
-  int retval = 0;
-   
-  if (copy_from_user(&fb, (drm_sis_mem_t *)arg, sizeof(fb)))
-	  return -EFAULT;
-  
-  req.size = fb.size;
-  sis_malloc(&req);
-  if(req.offset){
-    /* TODO */
-    fb.offset = req.offset;
-    fb.free = req.offset;
-    if(!add_alloc_set(fb.context, VIDEO_TYPE, fb.free)){
-      DRM_DEBUG("adding to allocation set fails\n");
-      sis_free(req.offset);
-      retval = -1;
-    }
-  }
-  else{  
-    fb.offset = 0;
-    fb.size = 0;
-    fb.free = 0;
-  }
-   
-  if (copy_to_user((drm_sis_mem_t *)arg, &fb, sizeof(fb))) return -EFAULT;
-
-  DRM_DEBUG("alloc fb, size = %d, offset = %ld\n", fb.size, req.offset);
-
-  return retval;
-}
-
-int sis_fb_free(struct inode *inode, struct file *filp, unsigned int cmd,
-		  unsigned long arg)
-{
-  drm_sis_mem_t fb;
-  int retval = 0;
-    
-  if (copy_from_user(&fb, (drm_sis_mem_t *)arg, sizeof(fb)))
-	  return -EFAULT;
-  
-  if(!fb.free){
-    return -1;
-  }
-
-  sis_free(fb.free);
-  if(!del_alloc_set(fb.context, VIDEO_TYPE, fb.free))
-    retval = -1;
-
-  DRM_DEBUG("free fb, offset = %d\n", fb.free);
-  
-  return retval;
-}
-
-#else
-
-int sis_fb_alloc(struct inode *inode, struct file *filp, unsigned int cmd,
-		  unsigned long arg)
-{
-  return -1;
-}
-
-int sis_fb_free(struct inode *inode, struct file *filp, unsigned int cmd,
-		  unsigned long arg)
-{
-  return 0;
-}
-
-#endif
-
-/* agp memory management */ 
-#if 1
-
-static memHeap_t *AgpHeap = NULL;
-
-int sisp_agp_init(struct inode *inode, struct file *filp, unsigned int cmd,
-		  unsigned long arg)
-{
-  drm_sis_agp_t agp;
-   
-  if (copy_from_user(&agp, (drm_sis_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;
-}
-
-int sisp_agp_alloc(struct inode *inode, struct file *filp, unsigned int cmd,
-		  unsigned long arg)
-{
-  drm_sis_mem_t agp;
-  PMemBlock block;
-  int retval = 0;
-   
-  if(!AgpHeap)
-    return -1;
-  
-  if (copy_from_user(&agp, (drm_sis_mem_t *)arg, sizeof(agp)))
-	  return -EFAULT;
-  
-  block = mmAllocMem(AgpHeap, agp.size, 0, 0);
-  if(block){
-    /* TODO */
-    agp.offset = block->ofs;
-    agp.free = (unsigned long)block;
-    if(!add_alloc_set(agp.context, AGP_TYPE, agp.free)){
-      DRM_DEBUG("adding to allocation set fails\n");
-      mmFreeMem((PMemBlock)(unsigned long)agp.free);
-      retval = -1;
-    }
-  }
-  else{  
-    agp.offset = 0;
-    agp.size = 0;
-    agp.free = 0;
-  }
-   
-  if (copy_to_user((drm_sis_mem_t *)arg, &agp, sizeof(agp))) return -EFAULT;
-
-  DRM_DEBUG("alloc agp, size = %d, offset = %d\n", agp.size, agp.offset);
-
-  return retval;
-}
-
-int sisp_agp_free(struct inode *inode, struct file *filp, unsigned int cmd,
-		  unsigned long arg)
-{
-  drm_sis_mem_t agp;
-  int retval = 0;
-
-  if(!AgpHeap)
-    return -1;
-    
-  if (copy_from_user(&agp, (drm_sis_mem_t *)arg, sizeof(agp)))
-	  return -EFAULT;
-  
-  if(!agp.free){
-    return -1;
-  }
-
-  mmFreeMem((PMemBlock)(unsigned long)agp.free);
-  if(!del_alloc_set(agp.context, AGP_TYPE, agp.free))
-    retval = -1;
-
-  DRM_DEBUG("free agp, free = %d\n", agp.free);
-  
-  return retval;
-}
-
-#endif
-
-int sis_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 sis_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);
-            sis_free(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)(unsigned long)item);
-	    retval = setNext(set, &item);
-	  }
-	  setDestroy(set);
-	  
-	  global_ppriv[i].used = 0;	  
-        }
-
-	/* turn-off auto-flip */
-	/* TODO */
-#if defined(SIS_STEREO)
-	flip_final();
-#endif
-	
-	return 1;
-}