From 16bd14926e02e4dbc6e74689bdb3eb90f30a0233 Mon Sep 17 00:00:00 2001 From: David Dawes Date: Sun, 27 Jan 2002 18:23:04 +0000 Subject: Initial revision --- bsd/sis/sis.h | 45 ++++++ bsd/sis/sis_drm.h | 30 ++++ bsd/sis/sis_drv.c | 90 ++++++++++++ bsd/sis/sis_drv.h | 42 ++++++ bsd/sis/sis_ds.c | 398 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ bsd/sis/sis_ds.h | 163 ++++++++++++++++++++++ bsd/sis/sis_mm.c | 300 ++++++++++++++++++++++++++++++++++++++++ 7 files changed, 1068 insertions(+) create mode 100644 bsd/sis/sis.h create mode 100644 bsd/sis/sis_drm.h create mode 100644 bsd/sis/sis_drv.c create mode 100644 bsd/sis/sis_drv.h create mode 100644 bsd/sis/sis_ds.c create mode 100644 bsd/sis/sis_ds.h create mode 100644 bsd/sis/sis_mm.c (limited to 'bsd/sis') diff --git a/bsd/sis/sis.h b/bsd/sis/sis.h new file mode 100644 index 00000000..b257bb4a --- /dev/null +++ b/bsd/sis/sis.h @@ -0,0 +1,45 @@ +/* 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/bsd/drm/kernel/sis/sis.h,v 1.1 2001/12/13 00:24:51 alanh Exp $ */ + +#ifndef __SIS_H__ +#define __SIS_H__ + + +/* General customization: + */ +#define __HAVE_AGP 1 +#define __MUST_HAVE_AGP 0 +#define __HAVE_MTRR 1 +#define __HAVE_CTX_BITMAP 1 + +/* Buffer customization: + */ +#define DRIVER_AGP_BUFFERS_MAP( dev ) \ + ((drm_sis_private_t *)((dev)->dev_private))->buffers + +#endif diff --git a/bsd/sis/sis_drm.h b/bsd/sis/sis_drm.h new file mode 100644 index 00000000..db11cf63 --- /dev/null +++ b/bsd/sis/sis_drm.h @@ -0,0 +1,30 @@ + +#ifndef _sis_drm_public_h_ +#define _sis_drm_public_h_ + +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; + +#if defined(__KERNEL__) || defined(_KERNEL) + +int sis_fb_alloc(DRM_OS_IOCTL); +int sis_fb_free(DRM_OS_IOCTL); +int sisp_agp_init(DRM_OS_IOCTL); +int sisp_agp_alloc(DRM_OS_IOCTL); +int sisp_agp_free(DRM_OS_IOCTL); + +#endif + +#endif diff --git a/bsd/sis/sis_drv.c b/bsd/sis/sis_drv.c new file mode 100644 index 00000000..3cdc27d3 --- /dev/null +++ b/bsd/sis/sis_drv.c @@ -0,0 +1,90 @@ +/* sis.c -- 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. + * + */ + + +#include +#include +#include +#include + +#include "sis.h" +#include "drmP.h" +#include "sis_drm.h" +#include "sis_drv.h" + +#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 + +/* List acquired from http://www.yourvote.com/pci/pcihdr.h and xc/xc/programs/Xserver/hw/xfree86/common/xf86PciInfo.h + * Please report to anholt@teleport.com inaccuracies or if a chip you have works that is marked unsupported here. + */ +drm_chipinfo_t DRM(devicelist)[] = { + {0x1039, 0x0300, 1, "SIS 300"}, + {0x1039, 0x0540, 1, "SIS 540"}, + {0x1039, 0x0630, 1, "SIS 630"}, + {0, 0, 0, NULL} +}; + +#define DRIVER_IOCTLS \ + [DRM_IOCTL_NR(SIS_IOCTL_FB_ALLOC)] = { sis_fb_alloc, 1, 1 }, \ + [DRM_IOCTL_NR(SIS_IOCTL_FB_FREE)] = { sis_fb_free, 1, 1 }, \ + /* AGP Memory Management */ \ + [DRM_IOCTL_NR(SIS_IOCTL_AGP_INIT)] = { sisp_agp_init, 1, 1 }, \ + [DRM_IOCTL_NR(SIS_IOCTL_AGP_ALLOC)] = { sisp_agp_alloc, 1, 1 }, \ + [DRM_IOCTL_NR(SIS_IOCTL_AGP_FREE)] = { sisp_agp_free, 1, 1 } +#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 + +#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_vm.h" +#include "drm_sysctl.h" + +DRIVER_MODULE(sis, pci, sis_driver, sis_devclass, 0, 0); diff --git a/bsd/sis/sis_drv.h b/bsd/sis/sis_drv.h new file mode 100644 index 00000000..b83a56a1 --- /dev/null +++ b/bsd/sis/sis_drv.h @@ -0,0 +1,42 @@ +/* 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( DRM_OS_IOCTL ); +int sis_flip_init( DRM_OS_IOCTL ); +int sis_flip_final( DRM_OS_IOCTL ); +void flip_final(void); + +#endif diff --git a/bsd/sis/sis_ds.c b/bsd/sis/sis_ds.c new file mode 100644 index 00000000..9bac886f --- /dev/null +++ b/bsd/sis/sis_ds.c @@ -0,0 +1,398 @@ +/* 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 + * + */ + + +#include "sis.h" +#include "drmP.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 *)SD_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) +{ + SD_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 = SD_MALLOC(nmemb*size); + memset(addr, 0, nmemb*size); + return addr; +} + +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; + SD_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; + SD_FREE(p); + p = q; + } +} diff --git a/bsd/sis/sis_ds.h b/bsd/sis/sis_ds.h new file mode 100644 index 00000000..dbbd8ef5 --- /dev/null +++ b/bsd/sis/sis_ds.h @@ -0,0 +1,163 @@ +/* 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 + * + */ + +#ifndef _sis_ds_h_ +#define _sis_ds_h_ + +/* Set Data Structure */ + +#define SET_SIZE 5000 +#define SD_MALLOC(s) malloc( s, DRM(M_DRM), M_NOWAIT ) +#define SD_FREE(s) free( s, DRM(M_DRM) ) + +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/bsd/sis/sis_mm.c b/bsd/sis/sis_mm.c new file mode 100644 index 00000000..c00aa7e5 --- /dev/null +++ b/bsd/sis/sis_mm.c @@ -0,0 +1,300 @@ +/* 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 + * + */ + +#ifdef __linux +#define __NO_VERSION__ +#include +#endif + +#include "sis.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( DRM_OS_IOCTL ) +{ + drm_sis_mem_t fb; + struct sis_memreq req; + int retval = 0; + + DRM_OS_KRNFROMUSR( fb, (drm_sis_mem_t *) data, sizeof(fb) ); + + 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"); + sis_free(req.offset); + retval = -1; + } + } + else{ + fb.offset = 0; + fb.size = 0; + fb.free = 0; + } + + DRM_OS_KRNTOUSR( (drm_sis_mem_t *) data, fb, sizeof(fb) ); + + DRM_DEBUG("alloc fb, size = %d, offset = %ld\n", fb.size, req.offset); + + return retval; +} + +int sis_fb_free( DRM_OS_IOCTL ) +{ + drm_sis_mem_t fb; + int retval = 0; + + DRM_OS_KRNFROMUSR( fb, (drm_sis_mem_t *) data, sizeof(fb) ); + + 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( DRM_OS_IOCTL ) +{ + return -1; +} + +int sis_fb_free( DRM_OS_IOCTL ) +{ + return 0; +} + +#endif + +/* agp memory management */ +#if 1 + +static memHeap_t *AgpHeap = NULL; + +int sisp_agp_init( DRM_OS_IOCTL ) +{ + drm_sis_agp_t agp; + + DRM_OS_KRNFROMUSR( agp, (drm_sis_agp_t *) data, sizeof(agp) ); + + AgpHeap = mmInit(agp.offset, agp.size); + + DRM_DEBUG("offset = %u, size = %u", agp.offset, agp.size); + + return 0; +} + +int sisp_agp_alloc( DRM_OS_IOCTL ) +{ + drm_sis_mem_t agp; + PMemBlock block; + int retval = 0; + + if(!AgpHeap) + return -1; + + DRM_OS_KRNFROMUSR( agp, (drm_sis_mem_t *) data, sizeof(agp)); + + block = mmAllocMem(AgpHeap, agp.size, 0, 0); + if(block){ + /* TODO */ + agp.offset = block->ofs; + agp.free = (unsigned int)block; + if(!add_alloc_set(agp.context, AGP_TYPE, agp.free)){ + DRM_DEBUG("adding to allocation set fails"); + mmFreeMem((PMemBlock)agp.free); + retval = -1; + } + } + else{ + agp.offset = 0; + agp.size = 0; + agp.free = 0; + } + + DRM_OS_KRNTOUSR( (drm_sis_mem_t *) data, agp, sizeof(agp) ); + + DRM_DEBUG("alloc agp, size = %d, offset = %d\n", agp.size, agp.offset); + + return retval; +} + +int sisp_agp_free( DRM_OS_IOCTL ) +{ + drm_sis_mem_t agp; + int retval = 0; + + if(!AgpHeap) + return -1; + + DRM_OS_KRNFROMUSR( agp, (drm_sis_mem_t *) data, sizeof(agp)); + + if(!agp.free){ + return -1; + } + + mmFreeMem((PMemBlock)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