xref: /netbsd-src/sys/external/bsd/drm/dist/bsd-core/i915_drv.c (revision b8f12c7fce13df57a61373fdc6dacc0446acd8f7)
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