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 <sys/cdefs.h> 33__FBSDID("$FreeBSD$"); 34 35#include "dev/drm/drmP.h" 36#include "dev/drm/drm.h" 37#include "dev/drm/drm_mm.h" 38#include "dev/drm/i915_drm.h" 39#include "dev/drm/i915_drv.h" 40#include "dev/drm/drm_pciids.h" 41 42/* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */ 43static drm_pci_id_list_t i915_pciidlist[] = { 44 i915_PCI_IDS 45}; 46 47static int i915_suspend(device_t kdev) 48{ 49 struct drm_device *dev = device_get_softc(kdev); 50 51 if (!dev || !dev->dev_private) { 52 DRM_ERROR("DRM not initialized, aborting suspend.\n"); 53 return -ENODEV; 54 } 55 56 DRM_LOCK(); 57 DRM_DEBUG("starting suspend\n"); 58 i915_save_state(dev); 59 DRM_UNLOCK(); 60 61 return (bus_generic_suspend(kdev)); 62} 63 64static int i915_resume(device_t kdev) 65{ 66 struct drm_device *dev = device_get_softc(kdev); 67 68 DRM_LOCK(); 69 i915_restore_state(dev); 70 DRM_DEBUG("finished resume\n"); 71 DRM_UNLOCK(); 72 73 return (bus_generic_resume(kdev)); 74} 75 76static void i915_configure(struct drm_device *dev) 77{ 78 dev->driver->driver_features = 79 DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | 80 DRIVER_HAVE_IRQ; 81 82 dev->driver->buf_priv_size = sizeof(drm_i915_private_t); 83 dev->driver->load = i915_driver_load; 84 dev->driver->unload = i915_driver_unload; 85 dev->driver->preclose = i915_driver_preclose; 86 dev->driver->lastclose = i915_driver_lastclose; 87 dev->driver->device_is_agp = i915_driver_device_is_agp; 88 dev->driver->enable_vblank = i915_enable_vblank; 89 dev->driver->disable_vblank = i915_disable_vblank; 90 dev->driver->irq_preinstall = i915_driver_irq_preinstall; 91 dev->driver->irq_postinstall = i915_driver_irq_postinstall; 92 dev->driver->irq_uninstall = i915_driver_irq_uninstall; 93 dev->driver->irq_handler = i915_driver_irq_handler; 94 95 dev->driver->ioctls = i915_ioctls; 96 dev->driver->max_ioctl = i915_max_ioctl; 97 98 dev->driver->name = DRIVER_NAME; 99 dev->driver->desc = DRIVER_DESC; 100 dev->driver->date = DRIVER_DATE; 101 dev->driver->major = DRIVER_MAJOR; 102 dev->driver->minor = DRIVER_MINOR; 103 dev->driver->patchlevel = DRIVER_PATCHLEVEL; 104} 105 106static int 107i915_probe(device_t kdev) 108{ 109 return drm_probe(kdev, i915_pciidlist); 110} 111 112static int 113i915_attach(device_t kdev) 114{ 115 struct drm_device *dev = device_get_softc(kdev); 116 117 dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER, 118 M_WAITOK | M_ZERO); 119 120 i915_configure(dev); 121 122 return drm_attach(kdev, i915_pciidlist); 123} 124 125static int 126i915_detach(device_t kdev) 127{ 128 struct drm_device *dev = device_get_softc(kdev); 129 int ret; 130 131 ret = drm_detach(kdev); 132 133 free(dev->driver, DRM_MEM_DRIVER); 134 135 return ret; 136} 137 138static device_method_t i915_methods[] = { 139 /* Device interface */ 140 DEVMETHOD(device_probe, i915_probe), 141 DEVMETHOD(device_attach, i915_attach), 142 DEVMETHOD(device_suspend, i915_suspend), 143 DEVMETHOD(device_resume, i915_resume), 144 DEVMETHOD(device_detach, i915_detach), 145 146 { 0, 0 } 147}; 148 149static driver_t i915_driver = { 150#if __FreeBSD_version >= 700010 151 "drm", 152#else 153 "drmsub", 154#endif 155 i915_methods, 156 sizeof(struct drm_device) 157}; 158 159extern devclass_t drm_devclass; 160#if __FreeBSD_version >= 700010 161DRIVER_MODULE(i915, vgapci, i915_driver, drm_devclass, 0, 0); 162#else 163DRIVER_MODULE(i915, agp, i915_driver, drm_devclass, 0, 0); 164#endif 165MODULE_DEPEND(i915, drm, 1, 1, 1); 166