1 /* $NetBSD: via_drv.c,v 1.9 2021/12/19 12:30:23 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 1.9 2021/12/19 12:30:23 riastradh Exp $"); 29 30 #include <linux/module.h> 31 #include <linux/pci.h> 32 33 #include <drm/drm_drv.h> 34 #include <drm/drm_file.h> 35 #include <drm/drm_pci.h> 36 #include <drm/drm_pciids.h> 37 #include <drm/via_drm.h> 38 39 #include "via_drv.h" 40 41 42 static int via_driver_open(struct drm_device *dev, struct drm_file *file) 43 { 44 struct via_file_private *file_priv; 45 46 DRM_DEBUG_DRIVER("\n"); 47 file_priv = kmalloc(sizeof(*file_priv), GFP_KERNEL); 48 if (!file_priv) 49 return -ENOMEM; 50 51 file->driver_priv = file_priv; 52 53 INIT_LIST_HEAD(&file_priv->obj_list); 54 55 return 0; 56 } 57 58 static void via_driver_postclose(struct drm_device *dev, struct drm_file *file) 59 { 60 struct via_file_private *file_priv = file->driver_priv; 61 62 kfree(file_priv); 63 } 64 65 #ifndef __NetBSD__ 66 static struct pci_device_id pciidlist[] = { 67 viadrv_PCI_IDS 68 }; 69 70 static const struct file_operations via_driver_fops = { 71 .owner = THIS_MODULE, 72 .open = drm_open, 73 .release = drm_release, 74 .unlocked_ioctl = drm_ioctl, 75 .mmap = drm_legacy_mmap, 76 .poll = drm_poll, 77 .compat_ioctl = drm_compat_ioctl, 78 .llseek = noop_llseek, 79 }; 80 #endif 81 82 static struct drm_driver driver = { 83 .driver_features = 84 DRIVER_USE_AGP | DRIVER_HAVE_IRQ | DRIVER_LEGACY, 85 .load = via_driver_load, 86 .unload = via_driver_unload, 87 .open = via_driver_open, 88 .preclose = via_reclaim_buffers_locked, 89 .postclose = via_driver_postclose, 90 .context_dtor = via_final_context, 91 .get_vblank_counter = via_get_vblank_counter, 92 .enable_vblank = via_enable_vblank, 93 .disable_vblank = via_disable_vblank, 94 .irq_preinstall = via_driver_irq_preinstall, 95 .irq_postinstall = via_driver_irq_postinstall, 96 .irq_uninstall = via_driver_irq_uninstall, 97 .irq_handler = via_driver_irq_handler, 98 #ifdef __NetBSD__ 99 .request_irq = drm_pci_request_irq, 100 .free_irq = drm_pci_free_irq, 101 #endif 102 .dma_quiescent = via_driver_dma_quiescent, 103 .lastclose = via_lastclose, 104 .ioctls = via_ioctls, 105 #ifndef __NetBSD__ 106 .fops = &via_driver_fops, 107 #else 108 .mmap_object = drm_legacy_mmap_object, 109 #endif 110 .name = DRIVER_NAME, 111 .desc = DRIVER_DESC, 112 .date = DRIVER_DATE, 113 .major = DRIVER_MAJOR, 114 .minor = DRIVER_MINOR, 115 .patchlevel = DRIVER_PATCHLEVEL, 116 }; 117 118 #ifdef __NetBSD__ 119 struct drm_driver *const via_drm_driver = &driver; 120 #endif 121 122 #ifndef __NetBSD__ 123 static struct pci_driver via_pci_driver = { 124 .name = DRIVER_NAME, 125 .id_table = viadrm_pciidlist, 126 }; 127 128 static int __init via_init(void) 129 { 130 driver.num_ioctls = via_max_ioctl; 131 via_init_command_verifier(); 132 return drm_legacy_pci_init(&driver, &via_pci_driver); 133 } 134 135 static void __exit via_exit(void) 136 { 137 drm_legacy_pci_exit(&driver, &via_pci_driver); 138 } 139 #endif /* __NetBSD__ */ 140 141 module_init(via_init); 142 module_exit(via_exit); 143 144 MODULE_AUTHOR(DRIVER_AUTHOR); 145 MODULE_DESCRIPTION(DRIVER_DESC); 146 MODULE_LICENSE("GPL and additional rights"); 147