From 6677e2a10b820a5ccfd375cc627b8e41453a71da Mon Sep 17 00:00:00 2001 From: Adam Jackson Date: Wed, 19 Jul 2006 16:19:25 -0400 Subject: Delete the pre-core DRM code with extreme prejudice. --- shared/via_mm.c | 372 -------------------------------------------------------- 1 file changed, 372 deletions(-) delete mode 100644 shared/via_mm.c (limited to 'shared/via_mm.c') diff --git a/shared/via_mm.c b/shared/via_mm.c deleted file mode 100644 index aca9d7dd..00000000 --- a/shared/via_mm.c +++ /dev/null @@ -1,372 +0,0 @@ -/* - * 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 "via.h" -#include "drmP.h" -#include "via_drm.h" -#include "via_drv.h" -#include "via_ds.h" -#include "via_mm.h" - -#define MAX_CONTEXT 100 - -unsigned int VIA_DEBUG = 1; - -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 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 = via_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 = 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 *) 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 *) 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) { - 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 *) data, sizeof(mem)); - switch (mem.type) { - case VIDEO: - if (via_fb_alloc(&mem) < 0) - return -EFAULT; - DRM_COPY_TO_USER_IOCTL((drm_via_mem_t *) data, mem, - sizeof(mem)); - return 0; - case AGP: - if (via_agp_alloc(&mem) < 0) - return -EFAULT; - DRM_COPY_TO_USER_IOCTL((drm_via_mem_t *) data, mem, - sizeof(mem)); - return 0; - } - - return -EFAULT; -} - -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, 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; -} - -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, 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 *) data, sizeof(mem)); - - switch (mem.type) { - - case VIDEO: - if (via_fb_free(&mem) == 0) - return 0; - break; - case AGP: - if (via_agp_free(&mem) == 0) - return 0; - break; - } - - return -EFAULT; -} - -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, VIDEO, fb.free)) { - retval = -1; - } - - DRM_DEBUG("free fb, free = %ld\n", fb.free); - - return retval; -} - -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, AGP, agp.free)) { - retval = -1; - } - - DRM_DEBUG("free agp, free = %ld\n", agp.free); - - return retval; -} - -EXPORT_SYMBOL(via_fb_alloc); -EXPORT_SYMBOL(via_fb_free); - -void DRM(driver_register_fns) (drm_device_t * dev) { - dev->driver_features = - DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_IRQ | - DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL; - dev->fn_tbl.context_ctor = via_init_context; - dev->fn_tbl.context_dtor = via_final_context; - dev->fn_tbl.vblank_wait = via_driver_vblank_wait; - dev->fn_tbl.irq_preinstall = via_driver_irq_preinstall; - dev->fn_tbl.irq_postinstall = via_driver_irq_postinstall; - dev->fn_tbl.irq_uninstall = via_driver_irq_uninstall; - dev->fn_tbl.irq_handler = via_driver_irq_handler; - dev->fn_tbl.dma_quiescent = via_driver_dma_quiescent; -} -- cgit v1.2.3