Current Path : /sys/dev/drm/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/dev/drm/via_map.c |
/*- * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved. * Copyright 2001-2003 S3 Graphics, Inc. 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, sub license, * 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 NON-INFRINGEMENT. IN NO EVENT SHALL * VIA, S3 GRAPHICS, 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 <sys/cdefs.h> __FBSDID("$FreeBSD: release/9.1.0/sys/dev/drm/via_map.c 207066 2010-04-22 18:21:25Z rnoland $"); #include "dev/drm/drmP.h" #include "dev/drm/via_drm.h" #include "dev/drm/via_drv.h" static int via_do_init_map(struct drm_device * dev, drm_via_init_t * init) { drm_via_private_t *dev_priv = dev->dev_private; DRM_DEBUG("\n"); dev_priv->sarea = drm_getsarea(dev); if (!dev_priv->sarea) { DRM_ERROR("could not find sarea!\n"); dev->dev_private = (void *)dev_priv; via_do_cleanup_map(dev); return -EINVAL; } dev_priv->fb = drm_core_findmap(dev, init->fb_offset); if (!dev_priv->fb) { DRM_ERROR("could not find framebuffer!\n"); dev->dev_private = (void *)dev_priv; via_do_cleanup_map(dev); return -EINVAL; } dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset); if (!dev_priv->mmio) { DRM_ERROR("could not find mmio region!\n"); dev->dev_private = (void *)dev_priv; via_do_cleanup_map(dev); return -EINVAL; } dev_priv->sarea_priv = (drm_via_sarea_t *) ((u8 *) dev_priv->sarea->virtual + init->sarea_priv_offset); dev_priv->agpAddr = init->agpAddr; via_init_futex(dev_priv); via_init_dmablit(dev); dev->dev_private = (void *)dev_priv; return 0; } int via_do_cleanup_map(struct drm_device * dev) { via_dma_cleanup(dev); return 0; } int via_map_init(struct drm_device *dev, void *data, struct drm_file *file_priv) { drm_via_init_t *init = data; DRM_DEBUG("\n"); switch (init->func) { case VIA_INIT_MAP: return via_do_init_map(dev, init); case VIA_CLEANUP_MAP: return via_do_cleanup_map(dev); } return -EINVAL; } int via_driver_load(struct drm_device *dev, unsigned long chipset) { drm_via_private_t *dev_priv; int ret = 0; dev_priv = drm_alloc(sizeof(drm_via_private_t), DRM_MEM_DRIVER); if (dev_priv == NULL) return -ENOMEM; dev->dev_private = (void *)dev_priv; dev_priv->chipset = chipset; ret = drm_sman_init(&dev_priv->sman, 2, 12, 8); if (ret) { drm_free(dev_priv, sizeof(drm_via_private_t), DRM_MEM_DRIVER); return ret; } ret = drm_vblank_init(dev, 1); if (ret) { drm_sman_takedown(&dev_priv->sman); drm_free(dev_priv, sizeof(drm_via_private_t), DRM_MEM_DRIVER); return ret; } return 0; } int via_driver_unload(struct drm_device *dev) { drm_via_private_t *dev_priv = dev->dev_private; drm_sman_takedown(&dev_priv->sman); drm_free(dev_priv, sizeof(drm_via_private_t), DRM_MEM_DRIVER); dev->dev_private = NULL; return 0; }