1 /* vim: set ts=8 sw=8 tw=78 ai noexpandtab */ 2 /* qxl_drv.c -- QXL driver -*- linux-c -*- 3 * 4 * Copyright 2011 Red Hat, Inc. 5 * 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, sublicense, 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 next 15 * paragraph) shall be included in all copies or substantial portions of the 16 * 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 NONINFRINGEMENT. IN NO EVENT SHALL 21 * VA LINUX SYSTEMS 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 24 * OTHER DEALINGS IN THE SOFTWARE. 25 * 26 * Authors: 27 * Dave Airlie <airlie@redhat.com> 28 * Alon Levy <alevy@redhat.com> 29 */ 30 31 #include <linux/module.h> 32 #include <linux/console.h> 33 34 #include "drmP.h" 35 #include "drm/drm.h" 36 37 #include "qxl_drv.h" 38 39 extern int qxl_max_ioctls; 40 static DEFINE_PCI_DEVICE_TABLE(pciidlist) = { 41 { 0x1b36, 0x100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 42 0xffff00, 0 }, 43 { 0x1b36, 0x100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_OTHER << 8, 44 0xffff00, 0 }, 45 { 0, 0, 0 }, 46 }; 47 MODULE_DEVICE_TABLE(pci, pciidlist); 48 49 static int qxl_modeset = -1; 50 51 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); 52 module_param_named(modeset, qxl_modeset, int, 0400); 53 54 static struct drm_driver qxl_driver; 55 static struct pci_driver qxl_pci_driver; 56 57 static int 58 qxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 59 { 60 if (pdev->revision < 4) { 61 DRM_ERROR("qxl too old, doesn't support client_monitors_config," 62 " use xf86-video-qxl in user mode"); 63 return -EINVAL; /* TODO: ENODEV ? */ 64 } 65 return drm_get_pci_dev(pdev, ent, &qxl_driver); 66 } 67 68 static void 69 qxl_pci_remove(struct pci_dev *pdev) 70 { 71 struct drm_device *dev = pci_get_drvdata(pdev); 72 73 drm_put_dev(dev); 74 } 75 76 static struct pci_driver qxl_pci_driver = { 77 .name = DRIVER_NAME, 78 .id_table = pciidlist, 79 .probe = qxl_pci_probe, 80 .remove = qxl_pci_remove, 81 }; 82 83 static const struct file_operations qxl_fops = { 84 .owner = THIS_MODULE, 85 .open = drm_open, 86 .release = drm_release, 87 .unlocked_ioctl = drm_ioctl, 88 .poll = drm_poll, 89 .fasync = drm_fasync, 90 .mmap = qxl_mmap, 91 }; 92 93 static struct drm_driver qxl_driver = { 94 .driver_features = DRIVER_GEM | DRIVER_MODESET | 95 DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED, 96 .dev_priv_size = 0, 97 .load = qxl_driver_load, 98 .unload = qxl_driver_unload, 99 100 .dumb_create = qxl_mode_dumb_create, 101 .dumb_map_offset = qxl_mode_dumb_mmap, 102 .dumb_destroy = qxl_mode_dumb_destroy, 103 #if defined(CONFIG_DEBUG_FS) 104 .debugfs_init = qxl_debugfs_init, 105 .debugfs_cleanup = qxl_debugfs_takedown, 106 #endif 107 .gem_init_object = qxl_gem_object_init, 108 .gem_free_object = qxl_gem_object_free, 109 .gem_open_object = qxl_gem_object_open, 110 .gem_close_object = qxl_gem_object_close, 111 .fops = &qxl_fops, 112 .ioctls = qxl_ioctls, 113 .irq_handler = qxl_irq_handler, 114 .name = DRIVER_NAME, 115 .desc = DRIVER_DESC, 116 .date = DRIVER_DATE, 117 .major = 0, 118 .minor = 1, 119 .patchlevel = 0, 120 }; 121 122 static int __init qxl_init(void) 123 { 124 #ifdef CONFIG_VGA_CONSOLE 125 if (vgacon_text_force() && qxl_modeset == -1) 126 return -EINVAL; 127 #endif 128 129 if (qxl_modeset == 0) 130 return -EINVAL; 131 qxl_driver.num_ioctls = qxl_max_ioctls; 132 return drm_pci_init(&qxl_driver, &qxl_pci_driver); 133 } 134 135 static void __exit qxl_exit(void) 136 { 137 drm_pci_exit(&qxl_driver, &qxl_pci_driver); 138 } 139 140 module_init(qxl_init); 141 module_exit(qxl_exit); 142 143 MODULE_AUTHOR(DRIVER_AUTHOR); 144 MODULE_DESCRIPTION(DRIVER_DESC); 145 MODULE_LICENSE("GPL and additional rights"); 146