1 /* i915_drv.c -- Intel i915 driver -*- linux-c -*- 2 * Created: Wed Feb 14 17:10:04 2001 by gareth@valinux.com 3 */ 4 /*- 5 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 6 * All Rights Reserved. 7 * 8 * Permission is hereby granted, free of charge, to any person obtaining a 9 * copy of this software and associated documentation files (the "Software"), 10 * to deal in the Software without restriction, including without limitation 11 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 12 * and/or sell copies of the Software, and to permit persons to whom the 13 * Software is furnished to do so, subject to the following conditions: 14 * 15 * The above copyright notice and this permission notice (including the next 16 * paragraph) shall be included in all copies or substantial portions of the 17 * Software. 18 * 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 22 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 23 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 24 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 25 * OTHER DEALINGS IN THE SOFTWARE. 26 * 27 * Authors: 28 * Gareth Hughes <gareth@valinux.com> 29 * 30 */ 31 32 #include "dev/drm/drmP.h" 33 #include "dev/drm/drm.h" 34 #include "dev/drm/drm_mm.h" 35 #include "dev/drm/i915_drm.h" 36 #include "i915_drv.h" 37 #include "dev/drm/drm_pciids.h" 38 39 /* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */ 40 static drm_pci_id_list_t i915_pciidlist[] = { 41 i915_PCI_IDS 42 }; 43 44 static int i915_suspend(device_t kdev) 45 { 46 struct drm_device *dev = device_get_softc(kdev); 47 48 if (!dev || !dev->dev_private) { 49 DRM_ERROR("DRM not initialized, aborting suspend.\n"); 50 return -ENODEV; 51 } 52 53 DRM_LOCK(); 54 DRM_DEBUG("starting suspend\n"); 55 i915_save_state(dev); 56 DRM_UNLOCK(); 57 58 return (bus_generic_suspend(kdev)); 59 } 60 61 static int i915_resume(device_t kdev) 62 { 63 struct drm_device *dev = device_get_softc(kdev); 64 65 DRM_LOCK(); 66 i915_restore_state(dev); 67 DRM_DEBUG("finished resume\n"); 68 DRM_UNLOCK(); 69 70 return (bus_generic_resume(kdev)); 71 } 72 73 static void i915_configure(struct drm_device *dev) 74 { 75 dev->driver->driver_features = 76 DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | 77 DRIVER_HAVE_IRQ; 78 79 dev->driver->buf_priv_size = sizeof(drm_i915_private_t); 80 dev->driver->load = i915_driver_load; 81 dev->driver->unload = i915_driver_unload; 82 dev->driver->preclose = i915_driver_preclose; 83 dev->driver->lastclose = i915_driver_lastclose; 84 dev->driver->device_is_agp = i915_driver_device_is_agp; 85 dev->driver->enable_vblank = i915_enable_vblank; 86 dev->driver->disable_vblank = i915_disable_vblank; 87 dev->driver->irq_preinstall = i915_driver_irq_preinstall; 88 dev->driver->irq_postinstall = i915_driver_irq_postinstall; 89 dev->driver->irq_uninstall = i915_driver_irq_uninstall; 90 dev->driver->irq_handler = i915_driver_irq_handler; 91 92 dev->driver->ioctls = i915_ioctls; 93 dev->driver->max_ioctl = i915_max_ioctl; 94 95 dev->driver->name = DRIVER_NAME; 96 dev->driver->desc = DRIVER_DESC; 97 dev->driver->date = DRIVER_DATE; 98 dev->driver->major = DRIVER_MAJOR; 99 dev->driver->minor = DRIVER_MINOR; 100 dev->driver->patchlevel = DRIVER_PATCHLEVEL; 101 } 102 103 static int 104 i915_probe(device_t kdev) 105 { 106 return drm_probe(kdev, i915_pciidlist); 107 } 108 109 static int 110 i915_attach(device_t kdev) 111 { 112 struct drm_device *dev = device_get_softc(kdev); 113 114 dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER, 115 M_WAITOK | M_ZERO); 116 117 i915_configure(dev); 118 119 return drm_attach(kdev, i915_pciidlist); 120 } 121 122 static int 123 i915_detach(device_t kdev) 124 { 125 struct drm_device *dev = device_get_softc(kdev); 126 int ret; 127 128 ret = drm_detach(kdev); 129 130 free(dev->driver, DRM_MEM_DRIVER); 131 132 return ret; 133 } 134 135 static device_method_t i915_methods[] = { 136 /* Device interface */ 137 DEVMETHOD(device_probe, i915_probe), 138 DEVMETHOD(device_attach, i915_attach), 139 DEVMETHOD(device_suspend, i915_suspend), 140 DEVMETHOD(device_resume, i915_resume), 141 DEVMETHOD(device_detach, i915_detach), 142 143 DEVMETHOD_END 144 }; 145 146 static driver_t i915_driver = { 147 "drm", 148 i915_methods, 149 sizeof(struct drm_device) 150 }; 151 152 extern devclass_t drm_devclass; 153 DRIVER_MODULE(i915, vgapci, i915_driver, drm_devclass, NULL, NULL); 154 MODULE_DEPEND(i915, drm, 1, 1, 1); 155