/* sis.c -- sis driver -*- linux-c -*- * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * 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 #include #include #include "sis_drv.h" #include static struct pci_device_id pciidlist[] = { sisdrv_PCI_IDS }; static int sis_driver_load(struct drm_device *dev, unsigned long chipset) { drm_sis_private_t *dev_priv; pci_set_master(dev->pdev); dev_priv = kzalloc(sizeof(drm_sis_private_t), GFP_KERNEL); if (dev_priv == NULL) return -ENOMEM; idr_init(&dev_priv->object_idr); dev->dev_private = (void *)dev_priv; dev_priv->chipset = chipset; return 0; } static int sis_driver_unload(struct drm_device *dev) { drm_sis_private_t *dev_priv = dev->dev_private; idr_destroy(&dev_priv->object_idr); kfree(dev_priv); return 0; } static const struct file_operations sis_driver_fops = { .owner = THIS_MODULE, .open = drm_open, .release = drm_release, .unlocked_ioctl = drm_ioctl, .mmap = drm_mmap, .poll = drm_poll, #ifdef CONFIG_COMPAT .compat_ioctl = drm_compat_ioctl, #endif .llseek = noop_llseek, }; static int sis_driver_open(struct drm_device *dev, struct drm_file *file) { struct sis_file_private *file_priv; DRM_DEBUG_DRIVER("\n"); file_priv = kmalloc(sizeof(*file_priv), GFP_KERNEL); if (!file_priv) return -ENOMEM; file->driver_priv = file_priv; INIT_LIST_HEAD(&file_priv->obj_list); return 0; } static void sis_driver_postclose(struct drm_device *dev, struct drm_file *file) { struct sis_file_private *file_priv = file->driver_priv; kfree(file_priv); } static struct drm_driver driver = { .driver_features = DRIVER_USE_AGP, .load = sis_driver_load, .unload = sis_driver_unload, .open = sis_driver_open, .preclose = sis_reclaim_buffers_locked, .postclose = sis_driver_postclose, .set_busid = drm_pci_set_busid, .dma_quiescent = sis_idle, .lastclose = sis_lastclose, .ioctls = sis_ioctls, .fops = &sis_driver_fops, .name = DRIVER_NAME, .desc = DRIVER_DESC, .date = DRIVER_DATE, .major = DRIVER_MAJOR, .minor = DRIVER_MINOR, .patchlevel = DRIVER_PATCHLEVEL, }; static struct pci_driver sis_pci_driver = { .name = DRIVER_NAME, .id_table = pciidlist, }; static int __init sis_init(void) { driver.num_ioctls = sis_max_ioctl; return drm_pci_init(&driver, &sis_pci_driver); } static void __exit sis_exit(void) { drm_pci_exit(&driver, &sis_pci_driver); } module_init(sis_init); module_exit(sis_exit); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL and additional rights");