135 lines
4.4 KiB
C
135 lines
4.4 KiB
C
/*
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* Copyright 2005 Stephane Marchesin
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include "drmP.h"
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#include "drm.h"
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#include "drm_sarea.h"
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#include "nouveau_drv.h"
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/* here a client dies, release the stuff that was allocated for its filp */
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void nouveau_preclose(drm_device_t * dev, DRMFILE filp)
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{
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drm_nouveau_private_t *dev_priv = dev->dev_private;
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nouveau_mem_release(filp,dev_priv->fb_heap);
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nouveau_mem_release(filp,dev_priv->agp_heap);
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nouveau_object_cleanup(dev, filp);
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nouveau_fifo_cleanup(dev, filp);
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}
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/* first module load, setup the mmio/fb mapping */
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int nouveau_firstopen(struct drm_device *dev)
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{
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int ret;
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drm_nouveau_private_t *dev_priv = dev->dev_private;
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/* resource 0 is mmio regs */
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/* resource 1 is linear FB */
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/* resource 2 is ??? (mmio regs + 0x1000000) */
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/* resource 6 is bios */
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/* map the mmio regs */
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ret = drm_addmap(dev, drm_get_resource_start(dev, 0), drm_get_resource_len(dev, 0),
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_DRM_REGISTERS, _DRM_READ_ONLY, &dev_priv->mmio);
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if (dev_priv->mmio)
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{
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DRM_INFO("regs mapped ok at 0x%lx\n",dev_priv->mmio->offset);
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}
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else
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{
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DRM_ERROR("Unable to initialize the mmio mapping. Please report your setup to " DRIVER_EMAIL "\n");
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return 1;
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}
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DRM_INFO("%lld MB of video ram detected\n",nouveau_mem_fb_amount(dev)>>20);
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if (dev_priv->card_type>=NV_40)
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dev_priv->fb_usable_size=nouveau_mem_fb_amount(dev)-560*1024;
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else
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dev_priv->fb_usable_size=nouveau_mem_fb_amount(dev)-256*1024;
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nouveau_hash_table_init(dev);
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if (dev_priv->card_type >= NV_40)
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dev_priv->fb_obj = nouveau_dma_object_create(dev,
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0, nouveau_mem_fb_amount(dev),
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NV_DMA_ACCESS_RW, NV_DMA_TARGET_VIDMEM);
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/* allocate one buffer for all the fifos */
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dev_priv->cmdbuf_alloc = nouveau_mem_alloc(dev, 0, 1024*1024, NOUVEAU_MEM_FB, (DRMFILE)-2);
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if (dev_priv->cmdbuf_alloc->flags&NOUVEAU_MEM_AGP) {
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dev_priv->cmdbuf_location = NV_DMA_TARGET_AGP;
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dev_priv->cmdbuf_ch_size = NV03_FIFO_SIZE;
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dev_priv->cmdbuf_base = dev_priv->cmdbuf_alloc->start;
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dev_priv->cmdbuf_obj = nouveau_dma_object_create(dev,
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dev_priv->cmdbuf_base, nouveau_fifo_number(dev)*NV03_FIFO_SIZE,
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NV_DMA_ACCESS_RO, dev_priv->cmdbuf_location);
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} else { /* NOUVEAU_MEM_FB */
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dev_priv->cmdbuf_location = NV_DMA_TARGET_VIDMEM;
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dev_priv->cmdbuf_ch_size = NV03_FIFO_SIZE;
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dev_priv->cmdbuf_base = dev_priv->cmdbuf_alloc->start;
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dev_priv->cmdbuf_obj = nouveau_dma_object_create(dev,
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dev_priv->cmdbuf_base - drm_get_resource_start(dev, 1),
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nouveau_fifo_number(dev)*NV03_FIFO_SIZE,
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NV_DMA_ACCESS_RO, dev_priv->cmdbuf_location);
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}
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DRM_INFO("DMA command buffer is %dKiB at 0x%08x(%s)\n",
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(nouveau_fifo_number(dev)*dev_priv->cmdbuf_ch_size)/1024,
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dev_priv->cmdbuf_base,
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dev_priv->cmdbuf_location == NV_DMA_TARGET_AGP ? "AGP" : "VRAM"
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);
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return 0;
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}
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int nouveau_load(struct drm_device *dev, unsigned long flags)
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{
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drm_nouveau_private_t *dev_priv;
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if (flags==NV_UNKNOWN)
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return DRM_ERR(EINVAL);
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dev_priv = drm_alloc(sizeof(drm_nouveau_private_t), DRM_MEM_DRIVER);
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if (!dev_priv)
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return DRM_ERR(ENOMEM);
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memset(dev_priv, 0, sizeof(drm_nouveau_private_t));
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dev_priv->card_type=flags&NOUVEAU_FAMILY;
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dev_priv->flags=flags&NOUVEAU_FLAGS;
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dev->dev_private = (void *)dev_priv;
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return 0;
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}
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int nouveau_unload(struct drm_device *dev)
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{
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drm_free(dev->dev_private, sizeof(*dev->dev_private), DRM_MEM_DRIVER);
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dev->dev_private = NULL;
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return 0;
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}
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