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

diff options

Diffstat (limited to 'libdrm/nouveau')

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> * */ #if defined(__linux__) && defined(CONFIG_FB_SIS) #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) #include <video/sisfb.h> #else #include <linux/sisfb.h> #endif #endif #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 defined(__linux__) && defined(CONFIG_FB_SIS) static int sis_fb_init(struct drm_device *dev, void *data, struct drm_file *file_priv) { return 0; } static int sis_fb_alloc(struct drm_device *dev, void *data, struct drm_file *file_priv) { drm_sis_mem_t *fb = data; struct sis_memreq req; int retval = 0; 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 = -EINVAL; } } else { fb->offset = 0; fb->size = 0; fb->free = 0; } DRM_DEBUG("alloc fb, size = %d, offset = %ld\n", fb->size, req.offset); return retval; } static int sis_fb_free(struct drm_device *dev, void *data, struct drm_file *file_priv) { drm_sis_mem_t fb; int retval = 0; if (!fb->free) return -EINVAL; if (!del_alloc_set(fb->context, VIDEO_TYPE, fb->free)) retval = -EINVAL; sis_free(fb->free); DRM_DEBUG("free fb, offset = 0x%lx\n", fb->free); return retval; } #else /* 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 */ static 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 == NULL) { dev->dev_private = drm_calloc(1, sizeof(drm_sis_private_t), DRM_MEM_DRIVER); dev_priv = dev->dev_private; if (dev_priv == NULL) return ENOMEM; } 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; } static 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; } static 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; } #endif /* agp memory management */ static 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 == NULL) { dev->dev_private = drm_calloc(1, sizeof(drm_sis_private_t), DRM_MEM_DRIVER); dev_priv = dev->dev_private; if (dev_priv == NULL) return ENOMEM; } 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; } static 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; } static 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); #if defined(__linux__) && defined(CONFIG_FB_SIS) sis_free(item); #else mmFreeMem((PMemBlock) item); #endif 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);


context:
space:
mode: