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 "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__)
i915_suspend(device_t kdev)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
i915_resume(device_t kdev)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
i915_configure(struct drm_device * dev)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
i915_probe(device_t kdev)103 i915_probe(device_t kdev)
104 {
105 return drm_probe(kdev, i915_pciidlist);
106 }
107
108 static int
i915_attach(device_t kdev)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
i915_detach(device_t kdev)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
i915drm_suspend(device_t self,const pmf_qual_t * qual)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
i915drm_resume(device_t self,const pmf_qual_t * qual)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
i915drm_probe(device_t parent,cfdata_t match,void * aux)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
i915drm_attach(device_t parent,device_t self,void * aux)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
i915drm_detach(device_t self,int flags)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
i915drm_modcmd(modcmd_t cmd,void * arg)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