223 lines
6.0 KiB
C
223 lines
6.0 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 RAMIN (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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/* map larger RAMIN aperture on NV40 cards */
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if (dev_priv->card_type >= NV_40) {
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ret = drm_addmap(dev, drm_get_resource_start(dev, 2),
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drm_get_resource_len(dev, 2),
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_DRM_REGISTERS,
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_DRM_READ_ONLY,
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&dev_priv->ramin);
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if (ret) {
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DRM_ERROR("Failed to init RAMIN mapping, "
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"limited instance memory available\n");
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dev_priv->ramin = NULL;
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}
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} else
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dev_priv->ramin = NULL;
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/* Clear RAMIN
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* Determine locations for RAMHT/FC/RO
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* Initialise PFIFO
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*/
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ret = nouveau_fifo_init(dev);
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if (ret) return ret;
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/* setup a mtrr over the FB */
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dev_priv->fb_mtrr=drm_mtrr_add(drm_get_resource_start(dev, 1),nouveau_mem_fb_amount(dev), DRM_MTRR_WC);
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/* FIXME: doesn't belong here, and have no idea what it's for.. */
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if (dev_priv->card_type >= NV_40)
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nv40_graph_init(dev);
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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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void nouveau_lastclose(struct drm_device *dev)
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{
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drm_nouveau_private_t *dev_priv = dev->dev_private;
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if(dev_priv->fb_mtrr>0)
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{
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drm_mtrr_del(dev_priv->fb_mtrr, drm_get_resource_start(dev, 1),nouveau_mem_fb_amount(dev), DRM_MTRR_WC);
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dev_priv->fb_mtrr=0;
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}
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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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int nouveau_ioctl_getparam(DRM_IOCTL_ARGS)
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{
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DRM_DEVICE;
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drm_nouveau_private_t *dev_priv = dev->dev_private;
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drm_nouveau_getparam_t getparam;
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DRM_COPY_FROM_USER_IOCTL(getparam, (drm_nouveau_getparam_t __user *)data,
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sizeof(getparam));
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switch (getparam.param) {
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case NOUVEAU_GETPARAM_PCI_VENDOR:
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getparam.value=dev->pci_vendor;
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break;
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case NOUVEAU_GETPARAM_PCI_DEVICE:
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getparam.value=dev->pci_device;
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break;
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case NOUVEAU_GETPARAM_BUS_TYPE:
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if (drm_device_is_agp(dev))
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getparam.value=NV_AGP;
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else if (drm_device_is_pcie(dev))
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getparam.value=NV_PCIE;
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else
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getparam.value=NV_PCI;
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break;
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case NOUVEAU_GETPARAM_FB_PHYSICAL:
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getparam.value=dev_priv->fb_phys;
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break;
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case NOUVEAU_GETPARAM_AGP_PHYSICAL:
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getparam.value=dev_priv->agp_phys;
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break;
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default:
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DRM_ERROR("unknown parameter %d\n", getparam.param);
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return DRM_ERR(EINVAL);
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}
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DRM_COPY_TO_USER_IOCTL((drm_nouveau_getparam_t __user *)data, getparam,
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sizeof(getparam));
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return 0;
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}
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int nouveau_ioctl_setparam(DRM_IOCTL_ARGS)
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{
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DRM_DEVICE;
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drm_nouveau_private_t *dev_priv = dev->dev_private;
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drm_nouveau_setparam_t setparam;
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DRM_COPY_FROM_USER_IOCTL(setparam, (drm_nouveau_setparam_t __user *)data,
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sizeof(setparam));
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switch (setparam.param) {
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case NOUVEAU_SETPARAM_CMDBUF_LOCATION:
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switch (setparam.value) {
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case NOUVEAU_MEM_AGP:
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case NOUVEAU_MEM_FB:
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break;
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default:
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DRM_ERROR("invalid CMDBUF_LOCATION value=%d\n", setparam.value);
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return DRM_ERR(EINVAL);
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}
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dev_priv->config.cmdbuf.location = setparam.value;
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break;
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case NOUVEAU_SETPARAM_CMDBUF_SIZE:
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dev_priv->config.cmdbuf.size = setparam.value;
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break;
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default:
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DRM_ERROR("unknown parameter %d\n", setparam.param);
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return DRM_ERR(EINVAL);
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}
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return 0;
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}
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/* waits for idle */
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void nouveau_wait_for_idle(struct drm_device *dev)
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{
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drm_nouveau_private_t *dev_priv=dev->dev_private;
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switch(dev_priv->card_type)
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{
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case NV_03:
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while(NV_READ(NV03_PGRAPH_STATUS));
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break;
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default:
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while(NV_READ(NV04_PGRAPH_STATUS));
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break;
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}
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}
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