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

Age	Commit message (Collapse)	Author
2007-01-30	Add the ttmtest test utility.	Thomas Hellstrom

/* * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved. * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sub license, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ #include "drmP.h" #include "via_drm.h" #include "via_drv.h" #include "via_ds.h" #include "via_mm.h" #define MAX_CONTEXT 100 typedef struct { int used; int context; set_t *sets[2]; /* 0 for frame buffer, 1 for AGP , 2 for System */ } via_context_t; static via_context_t global_ppriv[MAX_CONTEXT]; static int via_agp_alloc(drm_via_mem_t * mem); static int via_agp_free(drm_via_mem_t * mem); static int via_fb_alloc(drm_via_mem_t * mem); static int via_fb_free(drm_via_mem_t * mem); static int add_alloc_set(int context, int type, unsigned long val) { int i, retval = 0; for (i = 0; i < MAX_CONTEXT; i++) { if (global_ppriv[i].used && global_ppriv[i].context == context) { retval = via_setAdd(global_ppriv[i].sets[type], val); break; } } return retval; } static int del_alloc_set(int context, int type, unsigned long val) { int i, retval = 0; for (i = 0; i < MAX_CONTEXT; i++) if (global_ppriv[i].used && global_ppriv[i].context == context) { retval = via_setDel(global_ppriv[i].sets[type], val); break; } return retval; } /* agp memory management */ static memHeap_t *AgpHeap = NULL; int via_agp_init(DRM_IOCTL_ARGS) { drm_via_agp_t agp; DRM_COPY_FROM_USER_IOCTL(agp, (drm_via_agp_t __user *) data, sizeof(agp)); AgpHeap = via_mmInit(agp.offset, agp.size); DRM_DEBUG("offset = %lu, size = %lu", (unsigned long)agp.offset, (unsigned long)agp.size); return 0; } /* fb memory management */ static memHeap_t *FBHeap = NULL; int via_fb_init(DRM_IOCTL_ARGS) { drm_via_fb_t fb; DRM_COPY_FROM_USER_IOCTL(fb, (drm_via_fb_t __user *) data, sizeof(fb)); FBHeap = via_mmInit(fb.offset, fb.size); DRM_DEBUG("offset = %lu, size = %lu", (unsigned long)fb.offset, (unsigned long)fb.size); return 0; } int via_init_context(struct drm_device *dev, 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] = via_setInit(); global_ppriv[i].sets[1] = via_setInit(); DRM_DEBUG("init allocation set, socket=%d," " context = %d\n", i, context); break; } } if ((i >= MAX_CONTEXT) || (global_ppriv[i].sets[0] == NULL) || (global_ppriv[i].sets[1] == NULL)) { return 0; } } return 1; } int via_final_context(struct drm_device *dev, int context) { int i; drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private; 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; ITEM_TYPE item; int retval; DRM_DEBUG("find socket %d, context = %d\n", i, context); /* Video Memory */ set = global_ppriv[i].sets[0]; retval = via_setFirst(set, &item); while (retval) { DRM_DEBUG("free video memory 0x%lx\n", item); via_mmFreeMem((PMemBlock) item); retval = via_setNext(set, &item); } via_setDestroy(set); /* AGP Memory */ set = global_ppriv[i].sets[1]; retval = via_setFirst(set, &item); while (retval) { DRM_DEBUG("free agp memory 0x%lx\n", item); via_mmFreeMem((PMemBlock) item); retval = via_setNext(set, &item); } via_setDestroy(set); global_ppriv[i].used = 0; } via_release_futex(dev_priv, context); #if defined(__linux__) /* Linux specific until context tracking code gets ported to BSD */ /* Last context, perform cleanup */ if (dev->ctx_count == 1 && dev->dev_private) { DRM_DEBUG("Last Context\n"); if (dev->irq) drm_irq_uninstall(dev); via_cleanup_futex(dev_priv); via_do_cleanup_map(dev); } #endif return 1; } int via_mem_alloc(DRM_IOCTL_ARGS) { drm_via_mem_t mem; DRM_COPY_FROM_USER_IOCTL(mem, (drm_via_mem_t __user *) data, sizeof(mem)); switch (mem.type) { case VIA_MEM_VIDEO: if (via_fb_alloc(&mem) < 0) return -EFAULT; DRM_COPY_TO_USER_IOCTL((drm_via_mem_t __user *) data, mem, sizeof(mem)); return 0; case VIA_MEM_AGP: if (via_agp_alloc(&mem) < 0) return -EFAULT; DRM_COPY_TO_USER_IOCTL((drm_via_mem_t __user *) data, mem, sizeof(mem)); return 0; } return -EFAULT; } static int via_fb_alloc(drm_via_mem_t * mem) { drm_via_mm_t fb; PMemBlock block; int retval = 0; if (!FBHeap) return -1; fb.size = mem->size; fb.context = mem->context; block = via_mmAllocMem(FBHeap, fb.size, 5, 0); if (block) { fb.offset = block->ofs; fb.free = (unsigned long)block; if (!add_alloc_set(fb.context, VIA_MEM_VIDEO, fb.free)) { DRM_DEBUG("adding to allocation set fails\n"); via_mmFreeMem((PMemBlock) fb.free); retval = -1; } } else { fb.offset = 0; fb.size = 0; fb.free = 0; retval = -1; } mem->offset = fb.offset; mem->index = fb.free; DRM_DEBUG("alloc fb, size = %d, offset = %d\n", fb.size, (int)fb.offset); return retval; } static int via_agp_alloc(drm_via_mem_t * mem) { drm_via_mm_t agp; PMemBlock block; int retval = 0; if (!AgpHeap) return -1; agp.size = mem->size; agp.context = mem->context; block = via_mmAllocMem(AgpHeap, agp.size, 5, 0); if (block) { agp.offset = block->ofs; agp.free = (unsigned long)block; if (!add_alloc_set(agp.context, VIA_MEM_AGP, agp.free)) { DRM_DEBUG("adding to allocation set fails\n"); via_mmFreeMem((PMemBlock) agp.free); retval = -1; } } else { agp.offset = 0; agp.size = 0; agp.free = 0; } mem->offset = agp.offset; mem->index = agp.free; DRM_DEBUG("alloc agp, size = %d, offset = %d\n", agp.size, (unsigned int)agp.offset); return retval; } int via_mem_free(DRM_IOCTL_ARGS) { drm_via_mem_t mem; DRM_COPY_FROM_USER_IOCTL(mem, (drm_via_mem_t __user *) data, sizeof(mem)); switch (mem.type) { case VIA_MEM_VIDEO: if (via_fb_free(&mem) == 0) return 0; break; case VIA_MEM_AGP: if (via_agp_free(&mem) == 0) return 0; break; } return -EFAULT; } static int via_fb_free(drm_via_mem_t * mem) { drm_via_mm_t fb; int retval = 0; if (!FBHeap) { return -1; } fb.free = mem->index; fb.context = mem->context; if (!fb.free) { return -1; } via_mmFreeMem((PMemBlock) fb.free); if (!del_alloc_set(fb.context, VIA_MEM_VIDEO, fb.free)) { retval = -1; } DRM_DEBUG("free fb, free = %ld\n", fb.free); return retval; } static int via_agp_free(drm_via_mem_t * mem) { drm_via_mm_t agp; int retval = 0; agp.free = mem->index; agp.context = mem->context; if (!agp.free) return -1; via_mmFreeMem((PMemBlock) agp.free); if (!del_alloc_set(agp.context, VIA_MEM_AGP, agp.free)) { retval = -1; } DRM_DEBUG("free agp, free = %ld\n", agp.free); return retval; }