1 /* $NetBSD: via_drv.c,v 1.7 2018/08/28 03:41:39 riastradh Exp $ */ 2 3 /* 4 * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved. 5 * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sub license, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 21 * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 22 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 23 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 24 * DEALINGS IN THE SOFTWARE. 25 */ 26 27 #include <sys/cdefs.h> 28 __KERNEL_RCSID(0, "$NetBSD: via_drv.c,v 1.7 2018/08/28 03:41:39 riastradh Exp $"); 29 30 #include <linux/module.h> 31 32 #include <drm/drmP.h> 33 #include <drm/via_drm.h> 34 #include "via_drv.h" 35 36 #include <drm/drm_pciids.h> 37 38 static int via_driver_open(struct drm_device *dev, struct drm_file *file) 39 { 40 struct via_file_private *file_priv; 41 42 DRM_DEBUG_DRIVER("\n"); 43 file_priv = kmalloc(sizeof(*file_priv), GFP_KERNEL); 44 if (!file_priv) 45 return -ENOMEM; 46 47 file->driver_priv = file_priv; 48 49 INIT_LIST_HEAD(&file_priv->obj_list); 50 51 return 0; 52 } 53 54 static void via_driver_postclose(struct drm_device *dev, struct drm_file *file) 55 { 56 struct via_file_private *file_priv = file->driver_priv; 57 58 kfree(file_priv); 59 } 60 61 #ifndef __NetBSD__ 62 static struct pci_device_id pciidlist[] = { 63 viadrv_PCI_IDS 64 }; 65 66 static const struct file_operations via_driver_fops = { 67 .owner = THIS_MODULE, 68 .open = drm_open, 69 .release = drm_release, 70 .unlocked_ioctl = drm_ioctl, 71 .mmap = drm_legacy_mmap, 72 .poll = drm_poll, 73 #ifdef CONFIG_COMPAT 74 .compat_ioctl = drm_compat_ioctl, 75 #endif 76 .llseek = noop_llseek, 77 }; 78 #endif 79 80 static struct drm_driver driver = { 81 .driver_features = 82 DRIVER_USE_AGP | DRIVER_HAVE_IRQ | 83 DRIVER_IRQ_SHARED, 84 .load = via_driver_load, 85 .unload = via_driver_unload, 86 .open = via_driver_open, 87 .preclose = via_reclaim_buffers_locked, 88 .postclose = via_driver_postclose, 89 .set_busid = drm_pci_set_busid, 90 .set_unique = drm_pci_set_unique, 91 .context_dtor = via_final_context, 92 .get_vblank_counter = via_get_vblank_counter, 93 .enable_vblank = via_enable_vblank, 94 .disable_vblank = via_disable_vblank, 95 .irq_preinstall = via_driver_irq_preinstall, 96 .irq_postinstall = via_driver_irq_postinstall, 97 .irq_uninstall = via_driver_irq_uninstall, 98 .irq_handler = via_driver_irq_handler, 99 #ifdef __NetBSD__ 100 .request_irq = drm_pci_request_irq, 101 .free_irq = drm_pci_free_irq, 102 #endif 103 .dma_quiescent = via_driver_dma_quiescent, 104 .lastclose = via_lastclose, 105 .ioctls = via_ioctls, 106 #ifndef __NetBSD__ 107 .fops = &via_driver_fops, 108 #else 109 .mmap_object = drm_legacy_mmap_object, 110 #endif 111 .name = DRIVER_NAME, 112 .desc = DRIVER_DESC, 113 .date = DRIVER_DATE, 114 .major = DRIVER_MAJOR, 115 .minor = DRIVER_MINOR, 116 .patchlevel = DRIVER_PATCHLEVEL, 117 }; 118 119 #ifdef __NetBSD__ 120 struct drm_driver *const via_drm_driver = &driver; 121 #endif 122 123 #ifndef __NetBSD__ 124 static struct pci_driver via_pci_driver = { 125 .name = DRIVER_NAME, 126 .id_table = viadrm_pciidlist, 127 }; 128 129 static int __init via_init(void) 130 { 131 driver.num_ioctls = via_max_ioctl; 132 via_init_command_verifier(); 133 return drm_pci_init(&driver, &via_pci_driver); 134 } 135 136 static void __exit via_exit(void) 137 { 138 drm_pci_exit(&driver, &via_pci_driver); 139 } 140 #endif /* __NetBSD__ */ 141 142 module_init(via_init); 143 module_exit(via_exit); 144 145 MODULE_AUTHOR(DRIVER_AUTHOR); 146 MODULE_DESCRIPTION(DRIVER_DESC); 147 MODULE_LICENSE("GPL and additional rights"); 148