diff options
Diffstat (limited to 'linux')
| -rw-r--r-- | linux/Makefile.linux | 2 | ||||
| -rw-r--r-- | linux/sis.h | 81 | ||||
| -rw-r--r-- | linux/sis_drm.h | 46 | ||||
| -rw-r--r-- | linux/sis_drv.h | 45 | ||||
| -rw-r--r-- | linux/sis_ds.c | 408 | ||||
| -rw-r--r-- | linux/sis_ds.h | 163 | ||||
| -rw-r--r-- | linux/sis_mm.c | 307 |
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; -} |