i915_drv.c revision 183573
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: head/sys/dev/drm/i915_drv.c 183573 2008-10-03 16:59:11Z rnoland $"); 34 35#include "dev/drm/drmP.h" 36#include "dev/drm/drm.h" 37#include "dev/drm/i915_drm.h" 38#include "dev/drm/i915_drv.h" 39#include "dev/drm/drm_pciids.h" 40 41/* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */ 42static drm_pci_id_list_t i915_pciidlist[] = { 43 i915_PCI_IDS 44}; 45 46static int i915_suspend(device_t nbdev) 47{ 48 struct drm_device *dev = device_get_softc(nbdev); 49 struct drm_i915_private *dev_priv = dev->dev_private; 50 51 if (!dev || !dev_priv) { 52 DRM_ERROR("dev: 0x%lx, dev_priv: 0x%lx\n", 53 (unsigned long) dev, (unsigned long) dev_priv); 54 DRM_ERROR("DRM not initialized, aborting suspend.\n"); 55 return -ENODEV; 56 } 57 58 i915_save_state(dev); 59 60 return (bus_generic_suspend(nbdev)); 61} 62 63static int i915_resume(device_t nbdev) 64{ 65 struct drm_device *dev = device_get_softc(nbdev); 66 67 i915_restore_state(dev); 68 69 return (bus_generic_resume(nbdev)); 70} 71 72static void i915_configure(struct drm_device *dev) 73{ 74 dev->driver->driver_features = 75 DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | 76 DRIVER_HAVE_IRQ; 77 78 dev->driver->buf_priv_size = sizeof(drm_i915_private_t); 79 dev->driver->load = i915_driver_load; 80 dev->driver->unload = i915_driver_unload; 81 dev->driver->firstopen = i915_driver_firstopen; 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->get_vblank_counter = i915_get_vblank_counter; 86 dev->driver->enable_vblank = i915_enable_vblank; 87 dev->driver->disable_vblank = i915_disable_vblank; 88 dev->driver->irq_preinstall = i915_driver_irq_preinstall; 89 dev->driver->irq_postinstall = i915_driver_irq_postinstall; 90 dev->driver->irq_uninstall = i915_driver_irq_uninstall; 91 dev->driver->irq_handler = i915_driver_irq_handler; 92 93 dev->driver->ioctls = i915_ioctls; 94 dev->driver->max_ioctl = i915_max_ioctl; 95 96 dev->driver->name = DRIVER_NAME; 97 dev->driver->desc = DRIVER_DESC; 98 dev->driver->date = DRIVER_DATE; 99 dev->driver->major = DRIVER_MAJOR; 100 dev->driver->minor = DRIVER_MINOR; 101 dev->driver->patchlevel = DRIVER_PATCHLEVEL; 102} 103 104static int 105i915_probe(device_t dev) 106{ 107 return drm_probe(dev, i915_pciidlist); 108} 109 110static int 111i915_attach(device_t nbdev) 112{ 113 struct drm_device *dev = device_get_softc(nbdev); 114 115 bzero(dev, sizeof(struct drm_device)); 116 117 dev->driver = malloc(sizeof(struct drm_driver_info), M_DRM, M_NOWAIT | M_ZERO); 118 i915_configure(dev); 119 120 return drm_attach(nbdev, i915_pciidlist); 121} 122 123static int 124i915_detach(device_t nbdev) 125{ 126 struct drm_device *dev = device_get_softc(nbdev); 127 int ret; 128 129 ret = drm_detach(nbdev); 130 131 free(dev->driver, M_DRM); 132 133 return ret; 134} 135 136static device_method_t i915_methods[] = { 137 /* Device interface */ 138 DEVMETHOD(device_probe, i915_probe), 139 DEVMETHOD(device_attach, i915_attach), 140 DEVMETHOD(device_suspend, i915_suspend), 141 DEVMETHOD(device_resume, i915_resume), 142 DEVMETHOD(device_detach, i915_detach), 143 144 { 0, 0 } 145}; 146 147static driver_t i915_driver = { 148#if __FreeBSD_version >= 700010 149 "drm", 150#else 151 "drmsub", 152#endif 153 i915_methods, 154 sizeof(struct drm_device) 155}; 156 157extern devclass_t drm_devclass; 158#if __FreeBSD_version >= 700010 159DRIVER_MODULE(i915, vgapci, i915_driver, drm_devclass, 0, 0); 160#else 161DRIVER_MODULE(i915, agp, i915_driver, drm_devclass, 0, 0); 162#endif 163MODULE_DEPEND(i915, drm, 1, 1, 1); 164