1/*- 2 * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved. 3 * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sub license, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice (including the 13 * next paragraph) shall be included in all copies or substantial portions 14 * of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 19 * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 22 * DEALINGS IN THE SOFTWARE. 23 */ 24 25#include <sys/cdefs.h> 26__FBSDID("$FreeBSD$"); 27 28#include "dev/drm/drmP.h" 29#include "dev/drm/via_drm.h" 30#include "dev/drm/via_drv.h" 31 32static int via_do_init_map(struct drm_device * dev, drm_via_init_t * init) 33{ 34 drm_via_private_t *dev_priv = dev->dev_private; 35 36 DRM_DEBUG("\n"); 37 38 dev_priv->sarea = drm_getsarea(dev); 39 if (!dev_priv->sarea) { 40 DRM_ERROR("could not find sarea!\n"); 41 dev->dev_private = (void *)dev_priv; 42 via_do_cleanup_map(dev); 43 return -EINVAL; 44 } 45 46 dev_priv->fb = drm_core_findmap(dev, init->fb_offset); 47 if (!dev_priv->fb) { 48 DRM_ERROR("could not find framebuffer!\n"); 49 dev->dev_private = (void *)dev_priv; 50 via_do_cleanup_map(dev); 51 return -EINVAL; 52 } 53 dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset); 54 if (!dev_priv->mmio) { 55 DRM_ERROR("could not find mmio region!\n"); 56 dev->dev_private = (void *)dev_priv; 57 via_do_cleanup_map(dev); 58 return -EINVAL; 59 } 60 61 dev_priv->sarea_priv = 62 (drm_via_sarea_t *) ((u8 *) dev_priv->sarea->virtual + 63 init->sarea_priv_offset); 64 65 dev_priv->agpAddr = init->agpAddr; 66 67 via_init_futex(dev_priv); 68 69 via_init_dmablit(dev); 70 71 dev->dev_private = (void *)dev_priv; 72 return 0; 73} 74 75int via_do_cleanup_map(struct drm_device * dev) 76{ 77 via_dma_cleanup(dev); 78 79 return 0; 80} 81 82int via_map_init(struct drm_device *dev, void *data, struct drm_file *file_priv) 83{ 84 drm_via_init_t *init = data; 85 86 DRM_DEBUG("\n"); 87 88 switch (init->func) { 89 case VIA_INIT_MAP: 90 return via_do_init_map(dev, init); 91 case VIA_CLEANUP_MAP: 92 return via_do_cleanup_map(dev); 93 } 94 95 return -EINVAL; 96} 97 98int via_driver_load(struct drm_device *dev, unsigned long chipset) 99{ 100 drm_via_private_t *dev_priv; 101 int ret = 0; 102 103 dev_priv = drm_alloc(sizeof(drm_via_private_t), DRM_MEM_DRIVER); 104 if (dev_priv == NULL) 105 return -ENOMEM; 106 107 dev->dev_private = (void *)dev_priv; 108 109 dev_priv->chipset = chipset; 110 111 ret = drm_sman_init(&dev_priv->sman, 2, 12, 8); 112 if (ret) { 113 drm_free(dev_priv, sizeof(drm_via_private_t), DRM_MEM_DRIVER); 114 return ret; 115 } 116 117 ret = drm_vblank_init(dev, 1); 118 if (ret) { 119 drm_sman_takedown(&dev_priv->sman); 120 drm_free(dev_priv, sizeof(drm_via_private_t), DRM_MEM_DRIVER); 121 return ret; 122 } 123 124 return 0; 125} 126 127int via_driver_unload(struct drm_device *dev) 128{ 129 drm_via_private_t *dev_priv = dev->dev_private; 130 131 drm_sman_takedown(&dev_priv->sman); 132 133 drm_free(dev_priv, sizeof(drm_via_private_t), DRM_MEM_DRIVER); 134 dev->dev_private = NULL; 135 136 return 0; 137} 138