| /* |
| * Copyright 2005 Stephane Marchesin |
| * 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. |
| */ |
| |
| #include "drmP.h" |
| #include "drm.h" |
| #include "drm_sarea.h" |
| #include "nouveau_drv.h" |
| |
| /* here a client dies, release the stuff that was allocated for its filp */ |
| void nouveau_preclose(drm_device_t * dev, DRMFILE filp) |
| { |
| drm_nouveau_private_t *dev_priv = dev->dev_private; |
| |
| nouveau_mem_release(filp,dev_priv->fb_heap); |
| nouveau_mem_release(filp,dev_priv->agp_heap); |
| nouveau_object_cleanup(dev, filp); |
| nouveau_fifo_cleanup(dev, filp); |
| } |
| |
| /* first module load, setup the mmio/fb mapping */ |
| int nouveau_firstopen(struct drm_device *dev) |
| { |
| int ret; |
| drm_nouveau_private_t *dev_priv = dev->dev_private; |
| |
| /* resource 0 is mmio regs */ |
| /* resource 1 is linear FB */ |
| /* resource 2 is RAMIN (mmio regs + 0x1000000) */ |
| /* resource 6 is bios */ |
| |
| /* map the mmio regs */ |
| ret = drm_addmap(dev, drm_get_resource_start(dev, 0), drm_get_resource_len(dev, 0), |
| _DRM_REGISTERS, _DRM_READ_ONLY, &dev_priv->mmio); |
| if (dev_priv->mmio) |
| { |
| DRM_INFO("regs mapped ok at 0x%lx\n",dev_priv->mmio->offset); |
| } |
| else |
| { |
| DRM_ERROR("Unable to initialize the mmio mapping. Please report your setup to " DRIVER_EMAIL "\n"); |
| return 1; |
| } |
| |
| DRM_INFO("%lld MB of video ram detected\n",nouveau_mem_fb_amount(dev)>>20); |
| |
| /* map larger RAMIN aperture on NV40 cards */ |
| if (dev_priv->card_type >= NV_40) { |
| int ramin_resource = 2; |
| if (drm_get_resource_len(dev, ramin_resource) == 0) |
| ramin_resource = 3; |
| |
| ret = drm_addmap(dev, drm_get_resource_start(dev, ramin_resource), |
| drm_get_resource_len(dev, ramin_resource), |
| _DRM_REGISTERS, |
| _DRM_READ_ONLY, |
| &dev_priv->ramin); |
| if (ret) { |
| DRM_ERROR("Failed to init RAMIN mapping, " |
| "limited instance memory available\n"); |
| dev_priv->ramin = NULL; |
| } |
| } else |
| dev_priv->ramin = NULL; |
| |
| /* Determine exact chipset we're running on */ |
| if (dev_priv->card_type < NV_10) |
| dev_priv->chipset = dev_priv->card_type; |
| else |
| dev_priv->chipset =(NV_READ(NV_PMC_BOOT_0) & 0x0ff00000) >> 20; |
| |
| /* Clear RAMIN |
| * Determine locations for RAMHT/FC/RO |
| * Initialise PFIFO |
| */ |
| ret = nouveau_fifo_init(dev); |
| if (ret) return ret; |
| |
| /* setup a mtrr over the FB */ |
| dev_priv->fb_mtrr=drm_mtrr_add(drm_get_resource_start(dev, 1),nouveau_mem_fb_amount(dev), DRM_MTRR_WC); |
| |
| /* FIXME: doesn't belong here, and have no idea what it's for.. */ |
| if (dev_priv->card_type >= NV_40) |
| nv40_graph_init(dev); |
| else if (dev_priv->card_type >= NV_30) |
| nv30_graph_init(dev); |
| else if (dev_priv->card_type >= NV_20) |
| nv20_graph_init(dev); |
| else if (dev_priv->card_type >= NV_10) |
| nv10_graph_init(dev); |
| |
| return 0; |
| } |
| |
| int nouveau_load(struct drm_device *dev, unsigned long flags) |
| { |
| drm_nouveau_private_t *dev_priv; |
| |
| if (flags==NV_UNKNOWN) |
| return DRM_ERR(EINVAL); |
| |
| dev_priv = drm_alloc(sizeof(drm_nouveau_private_t), DRM_MEM_DRIVER); |
| if (!dev_priv) |
| return DRM_ERR(ENOMEM); |
| |
| memset(dev_priv, 0, sizeof(drm_nouveau_private_t)); |
| dev_priv->card_type=flags&NOUVEAU_FAMILY; |
| dev_priv->flags=flags&NOUVEAU_FLAGS; |
| |
| dev->dev_private = (void *)dev_priv; |
| |
| return 0; |
| } |
| |
| void nouveau_lastclose(struct drm_device *dev) |
| { |
| drm_nouveau_private_t *dev_priv = dev->dev_private; |
| if(dev_priv->fb_mtrr>0) |
| { |
| drm_mtrr_del(dev_priv->fb_mtrr, drm_get_resource_start(dev, 1),nouveau_mem_fb_amount(dev), DRM_MTRR_WC); |
| dev_priv->fb_mtrr=0; |
| } |
| } |
| |
| int nouveau_unload(struct drm_device *dev) |
| { |
| drm_free(dev->dev_private, sizeof(*dev->dev_private), DRM_MEM_DRIVER); |
| dev->dev_private = NULL; |
| return 0; |
| } |
| |
| int nouveau_ioctl_getparam(DRM_IOCTL_ARGS) |
| { |
| DRM_DEVICE; |
| drm_nouveau_private_t *dev_priv = dev->dev_private; |
| drm_nouveau_getparam_t getparam; |
| |
| DRM_COPY_FROM_USER_IOCTL(getparam, (drm_nouveau_getparam_t __user *)data, |
| sizeof(getparam)); |
| |
| switch (getparam.param) { |
| case NOUVEAU_GETPARAM_PCI_VENDOR: |
| getparam.value=dev->pci_vendor; |
| break; |
| case NOUVEAU_GETPARAM_PCI_DEVICE: |
| getparam.value=dev->pci_device; |
| break; |
| case NOUVEAU_GETPARAM_BUS_TYPE: |
| if (drm_device_is_agp(dev)) |
| getparam.value=NV_AGP; |
| else if (drm_device_is_pcie(dev)) |
| getparam.value=NV_PCIE; |
| else |
| getparam.value=NV_PCI; |
| break; |
| case NOUVEAU_GETPARAM_FB_PHYSICAL: |
| getparam.value=dev_priv->fb_phys; |
| break; |
| case NOUVEAU_GETPARAM_AGP_PHYSICAL: |
| getparam.value=dev_priv->agp_phys; |
| break; |
| default: |
| DRM_ERROR("unknown parameter %d\n", getparam.param); |
| return DRM_ERR(EINVAL); |
| } |
| |
| DRM_COPY_TO_USER_IOCTL((drm_nouveau_getparam_t __user *)data, getparam, |
| sizeof(getparam)); |
| return 0; |
| } |
| |
| int nouveau_ioctl_setparam(DRM_IOCTL_ARGS) |
| { |
| DRM_DEVICE; |
| drm_nouveau_private_t *dev_priv = dev->dev_private; |
| drm_nouveau_setparam_t setparam; |
| |
| DRM_COPY_FROM_USER_IOCTL(setparam, (drm_nouveau_setparam_t __user *)data, |
| sizeof(setparam)); |
| |
| switch (setparam.param) { |
| case NOUVEAU_SETPARAM_CMDBUF_LOCATION: |
| switch (setparam.value) { |
| case NOUVEAU_MEM_AGP: |
| case NOUVEAU_MEM_FB: |
| break; |
| default: |
| DRM_ERROR("invalid CMDBUF_LOCATION value=%d\n", setparam.value); |
| return DRM_ERR(EINVAL); |
| } |
| dev_priv->config.cmdbuf.location = setparam.value; |
| break; |
| case NOUVEAU_SETPARAM_CMDBUF_SIZE: |
| dev_priv->config.cmdbuf.size = setparam.value; |
| break; |
| default: |
| DRM_ERROR("unknown parameter %d\n", setparam.param); |
| return DRM_ERR(EINVAL); |
| } |
| |
| return 0; |
| } |
| |
| /* waits for idle */ |
| void nouveau_wait_for_idle(struct drm_device *dev) |
| { |
| drm_nouveau_private_t *dev_priv=dev->dev_private; |
| switch(dev_priv->card_type) |
| { |
| case NV_03: |
| while(NV_READ(NV03_PGRAPH_STATUS)); |
| break; |
| default: |
| while(NV_READ(NV04_PGRAPH_STATUS)); |
| break; |
| } |
| } |
| |