1 /* i915_drv.c -- Intel i915 driver -*- linux-c -*- 2 * Created: Wed Feb 14 17:10:04 2001 by gareth (at) 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 (at) valinux.com> 29 * 30 */ 31 32 #include "drmP.h" 33 #include "drm.h" 34 #include "i915_drm.h" 35 #include "i915_drv.h" 36 #include "drm_pciids.h" 37 38 /* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */ 39 static drm_pci_id_list_t i915_pciidlist[] = { 40 i915_PCI_IDS 41 }; 42 43 #if defined(__FreeBSD__) 44 static int i915_suspend(device_t kdev) 45 { 46 struct drm_device *dev = device_get_softc(kdev); 47 struct drm_i915_private *dev_priv = dev->dev_private; 48 49 if (!dev || !dev_priv) { 50 DRM_ERROR("dev: 0x%lx, dev_priv: 0x%lx\n", 51 (unsigned long) dev, (unsigned long) dev_priv); 52 DRM_ERROR("DRM not initialized, aborting suspend.\n"); 53 return -ENODEV; 54 } 55 56 i915_save_state(dev); 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 i915_restore_state(dev); 66 67 return (bus_generic_resume(kdev)); 68 } 69 #endif 70 71 static void i915_configure(struct drm_device *dev) 72 { 73 dev->driver->driver_features = 74 DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | 75 DRIVER_HAVE_IRQ; 76 77 dev->driver->buf_priv_size = sizeof(drm_i915_private_t); 78 dev->driver->load = i915_driver_load; 79 dev->driver->unload = i915_driver_unload; 80 dev->driver->preclose = i915_driver_preclose; 81 dev->driver->lastclose = i915_driver_lastclose; 82 dev->driver->device_is_agp = i915_driver_device_is_agp; 83 dev->driver->enable_vblank = i915_enable_vblank; 84 dev->driver->disable_vblank = i915_disable_vblank; 85 dev->driver->irq_preinstall = i915_driver_irq_preinstall; 86 dev->driver->irq_postinstall = i915_driver_irq_postinstall; 87 dev->driver->irq_uninstall = i915_driver_irq_uninstall; 88 dev->driver->irq_handler = i915_driver_irq_handler; 89 90 dev->driver->ioctls = i915_ioctls; 91 dev->driver->max_ioctl = i915_max_ioctl; 92 93 dev->driver->name = DRIVER_NAME; 94 dev->driver->desc = DRIVER_DESC; 95 dev->driver->date = DRIVER_DATE; 96 dev->driver->major = DRIVER_MAJOR; 97 dev->driver->minor = DRIVER_MINOR; 98 dev->driver->patchlevel = DRIVER_PATCHLEVEL; 99 } 100 101 #if defined(__FreeBSD__) 102 static int 103 i915_probe(device_t kdev) 104 { 105 return drm_probe(kdev, i915_pciidlist); 106 } 107 108 static int 109 i915_attach(device_t kdev) 110 { 111 struct drm_device *dev = device_get_softc(kdev); 112 113 dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER, 114 M_WAITOK | M_ZERO); 115 116 i915_configure(dev); 117 118 return drm_attach(kdev, i915_pciidlist); 119 } 120 121 static int 122 i915_detach(device_t kdev) 123 { 124 struct drm_device *dev = device_get_softc(kdev); 125 int ret; 126 127 ret = drm_detach(kdev); 128 129 free(dev->driver, DRM_MEM_DRIVER); 130 131 return ret; 132 } 133 134 static device_method_t i915_methods[] = { 135 /* Device interface */ 136 DEVMETHOD(device_probe, i915_probe), 137 DEVMETHOD(device_attach, i915_attach), 138 DEVMETHOD(device_suspend, i915_suspend), 139 DEVMETHOD(device_resume, i915_resume), 140 DEVMETHOD(device_detach, i915_detach), 141 142 { 0, 0 } 143 }; 144 145 static driver_t i915_driver = { 146 #if __FreeBSD_version >= 700010 147 "drm", 148 #else 149 "drmsub", 150 #endif 151 i915_methods, 152 sizeof(struct drm_device) 153 }; 154 155 extern devclass_t drm_devclass; 156 #if __FreeBSD_version >= 700010 157 DRIVER_MODULE(i915, vgapci, i915_driver, drm_devclass, 0, 0); 158 #else 159 DRIVER_MODULE(i915, agp, i915_driver, drm_devclass, 0, 0); 160 #endif 161 MODULE_DEPEND(i915, drm, 1, 1, 1); 162 163 #elif defined(__NetBSD__) 164 165 static bool 166 i915drm_suspend(device_t self, const pmf_qual_t *qual) 167 { 168 struct drm_device *dev = device_private(self); 169 170 i915_save_state(dev); 171 return true; 172 } 173 174 static bool 175 i915drm_resume(device_t self, const pmf_qual_t *qual) 176 { 177 struct drm_device *dev = device_private(self); 178 179 i915_restore_state(dev); 180 return true; 181 } 182 183 static int 184 i915drm_probe(device_t parent, cfdata_t match, void *aux) 185 { 186 struct pci_attach_args *pa = aux; 187 return drm_probe(pa, i915_pciidlist); 188 } 189 190 static void 191 i915drm_attach(device_t parent, device_t self, void *aux) 192 { 193 struct pci_attach_args *pa = aux; 194 struct drm_device *dev = device_private(self); 195 196 dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER, 197 M_WAITOK | M_ZERO); 198 199 i915_configure(dev); 200 201 if (!pmf_device_register(self, i915drm_suspend, i915drm_resume)) 202 aprint_error_dev(self, "couldn't establish power handler\n"); 203 204 drm_attach(self, pa, i915_pciidlist); 205 } 206 207 static int 208 i915drm_detach(device_t self, int flags) 209 { 210 pmf_device_deregister(self); 211 212 return drm_detach(self, flags); 213 } 214 215 CFATTACH_DECL_NEW(i915drm, sizeof(struct drm_device), i915drm_probe, 216 i915drm_attach, i915drm_detach, NULL); 217 218 MODULE(MODULE_CLASS_DRIVER, i915drm, "drm"); 219 220 #ifdef _MODULE 221 #include "ioconf.c" 222 #endif 223 224 static int 225 i915drm_modcmd(modcmd_t cmd, void *arg) 226 { 227 int error = 0; 228 229 switch (cmd) { 230 case MODULE_CMD_INIT: 231 #ifdef _MODULE 232 error = config_init_component(cfdriver_ioconf_i915drm, 233 cfattach_ioconf_i915drm, cfdata_ioconf_i915drm); 234 #endif 235 break; 236 case MODULE_CMD_FINI: 237 #ifdef _MODULE 238 error = config_fini_component(cfdriver_ioconf_i915drm, 239 cfattach_ioconf_i915drm, cfdata_ioconf_i915drm); 240 #endif 241 break; 242 default: 243 return ENOTTY; 244 } 245 246 return error; 247 } 248 249 #endif 250
Indexes created Mon Oct 20 20:10:13 GMT 2025