renesas/drm.git - libdrm, cloned from git://anongit.freedesktop.org/mesa/drm

diff options

author	Jesse Barnes <jbarnes@virtuousgeek.org>	2008-12-09 10:23:43 -0800
committer	Jesse Barnes <jbarnes@virtuousgeek.org>	2008-12-09 10:23:43 -0800
commit	6656db10551bbb8770dd945b6d81d5138521f208 (patch)
tree	68e457660c174ee2e16353691126ddd754c79398 /shared-core/sis_ds.c
parent	c99566fb810c9d8cae5e9cd39d1772b55e2f514c (diff)
parent	12e68f8059485fb4f02a15f74ab2fa3bdff38c81 (diff)

Merge branch 'modesetting-gem'

Diffstat (limited to 'shared-core/sis_ds.c')

0 files changed, 0 insertions, 0 deletions

/* 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 int)block; if(!add_alloc_set(agp.context, AGP_TYPE, 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; } 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)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)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; }


context:
space:
mode: