diff options
Diffstat (limited to 'sys/dev/pci/drm/sis_mm.c')
-rw-r--r-- | sys/dev/pci/drm/sis_mm.c | 293 |
1 files changed, 0 insertions, 293 deletions
diff --git a/sys/dev/pci/drm/sis_mm.c b/sys/dev/pci/drm/sis_mm.c deleted file mode 100644 index 07f3f575f45..00000000000 --- a/sys/dev/pci/drm/sis_mm.c +++ /dev/null @@ -1,293 +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> - * - */ - -#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 */ - -/* Called by the X Server to initialize the FB heap. Allocations will fail - * unless this is called. Offset is the beginning of the heap from the - * framebuffer offset (MaxXFBMem in XFree86). - * - * Memory layout according to Thomas Winischofer: - * |------------------|DDDDDDDDDDDDDDDDDDDDDDDDDDDDD|HHHH|CCCCCCCCCCC| - * - * X driver/sisfb HW- Command- - * framebuffer memory DRI heap Cursor queue - */ -int sis_fb_init(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_sis_private_t *dev_priv = dev->dev_private; - drm_sis_fb_t *fb = data; - - if (dev_priv->FBHeap != NULL) - return (EINVAL); - - dev_priv->FBHeap = mmInit(fb->offset, fb->size); - - DRM_DEBUG("offset = %u, size = %u", fb->offset, fb->size); - - return 0; -} - -int sis_fb_alloc(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_sis_private_t *dev_priv = dev->dev_private; - drm_sis_mem_t *fb = data; - PMemBlock block; - int retval = 0; - - if (dev_priv == NULL || dev_priv->FBHeap == NULL) - return EINVAL; - - block = mmAllocMem(dev_priv->FBHeap, fb->size, 0, 0); - if (block) { - /* TODO */ - fb->offset = block->ofs; - fb->free = (unsigned long)block; - if (!add_alloc_set(fb->context, VIDEO_TYPE, fb->free)) { - DRM_DEBUG("adding to allocation set fails\n"); - mmFreeMem((PMemBlock) fb->free); - retval = EINVAL; - } - } else { - fb->offset = 0; - fb->size = 0; - fb->free = 0; - } - - DRM_DEBUG("alloc fb, size = %d, offset = %d\n", fb->size, fb->offset); - - return retval; -} - -int sis_fb_free(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_sis_private_t *dev_priv = dev->dev_private; - drm_sis_mem_t *fb = data; - - if (dev_priv == NULL || dev_priv->FBHeap == NULL) - return EINVAL; - - if (!mmBlockInHeap(dev_priv->FBHeap, (PMemBlock) fb->free)) - return EINVAL; - - if (!del_alloc_set(fb->context, VIDEO_TYPE, fb->free)) - return EINVAL; - mmFreeMem((PMemBlock) fb->free); - - DRM_DEBUG("free fb, free = 0x%lx\n", fb->free); - - return 0; -} - -/* agp memory management */ - -int sis_ioctl_agp_init(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_sis_private_t *dev_priv = dev->dev_private; - drm_sis_agp_t *agp = data; - - if (dev_priv->AGPHeap != NULL) - return EINVAL; - - dev_priv->AGPHeap = mmInit(agp->offset, agp->size); - - DRM_DEBUG("offset = %u, size = %u", agp->offset, agp->size); - - return 0; -} - -int sis_ioctl_agp_alloc(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_sis_private_t *dev_priv = dev->dev_private; - drm_sis_mem_t *agp = data; - PMemBlock block; - int retval = 0; - - if (dev_priv == NULL || dev_priv->AGPHeap == NULL) - return EINVAL; - - block = mmAllocMem(dev_priv->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) agp->free); - retval = -1; - } - } else { - agp->offset = 0; - agp->size = 0; - agp->free = 0; - } - - DRM_DEBUG("alloc agp, size = %d, offset = %d\n", agp->size, - agp->offset); - - return retval; -} - -int sis_ioctl_agp_free(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_sis_private_t *dev_priv = dev->dev_private; - drm_sis_mem_t *agp = data; - - if (dev_priv == NULL || dev_priv->AGPHeap == NULL) - return EINVAL; - - if (!mmBlockInHeap(dev_priv->AGPHeap, (PMemBlock) agp->free)) - return EINVAL; - - mmFreeMem((PMemBlock) agp->free); - if (!del_alloc_set(agp->context, AGP_TYPE, agp->free)) - return EINVAL; - - DRM_DEBUG("free agp, free = 0x%lx\n", agp->free); - - return 0; -} - -int sis_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] = 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(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) { - 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 = setFirst(set, &item); - while (retval) { - DRM_DEBUG("free video memory 0x%lx\n", item); - mmFreeMem((PMemBlock) 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%lx\n", item); - mmFreeMem((PMemBlock) item); - retval = setNext(set, &item); - } - setDestroy(set); - - global_ppriv[i].used = 0; - } - - return 1; -} |