Merge branch 'video' into release
[linux-2.6.git] / drivers / gpu / drm / i915 / i915_drv.c
1 /* i915_drv.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*-
2  */
3 /*
4  *
5  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
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
10  * "Software"), to deal in the Software without restriction, including
11  * without limitation the rights to use, copy, modify, merge, publish,
12  * distribute, sub license, and/or sell copies of the Software, and to
13  * permit persons to whom the Software is furnished to do so, subject to
14  * the following conditions:
15  *
16  * The above copyright notice and this permission notice (including the
17  * next paragraph) shall be included in all copies or substantial portions
18  * of the Software.
19  *
20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
21  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
23  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
24  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
25  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
26  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27  *
28  */
29
30 #include <linux/device.h>
31 #include "drmP.h"
32 #include "drm.h"
33 #include "i915_drm.h"
34 #include "i915_drv.h"
35
36 #include "drm_pciids.h"
37 #include <linux/console.h>
38
39 static unsigned int i915_modeset = -1;
40 module_param_named(modeset, i915_modeset, int, 0400);
41
42 unsigned int i915_fbpercrtc = 0;
43 module_param_named(fbpercrtc, i915_fbpercrtc, int, 0400);
44
45 static struct pci_device_id pciidlist[] = {
46         i915_PCI_IDS
47 };
48
49 #if defined(CONFIG_DRM_I915_KMS)
50 MODULE_DEVICE_TABLE(pci, pciidlist);
51 #endif
52
53 static int i915_suspend(struct drm_device *dev, pm_message_t state)
54 {
55         struct drm_i915_private *dev_priv = dev->dev_private;
56
57         if (!dev || !dev_priv) {
58                 printk(KERN_ERR "dev: %p, dev_priv: %p\n", dev, dev_priv);
59                 printk(KERN_ERR "DRM not initialized, aborting suspend.\n");
60                 return -ENODEV;
61         }
62
63         if (state.event == PM_EVENT_PRETHAW)
64                 return 0;
65
66         pci_save_state(dev->pdev);
67
68         i915_save_state(dev);
69
70         /* If KMS is active, we do the leavevt stuff here */
71         if (drm_core_check_feature(dev, DRIVER_MODESET)) {
72                 if (i915_gem_idle(dev))
73                         dev_err(&dev->pdev->dev,
74                                 "GEM idle failed, resume may fail\n");
75                 drm_irq_uninstall(dev);
76         }
77
78         intel_opregion_free(dev);
79
80         if (state.event == PM_EVENT_SUSPEND) {
81                 /* Shut down the device */
82                 pci_disable_device(dev->pdev);
83                 pci_set_power_state(dev->pdev, PCI_D3hot);
84         }
85
86         return 0;
87 }
88
89 static int i915_resume(struct drm_device *dev)
90 {
91         struct drm_i915_private *dev_priv = dev->dev_private;
92         int ret = 0;
93
94         pci_set_power_state(dev->pdev, PCI_D0);
95         pci_restore_state(dev->pdev);
96         if (pci_enable_device(dev->pdev))
97                 return -1;
98         pci_set_master(dev->pdev);
99
100         i915_restore_state(dev);
101
102         intel_opregion_init(dev, 1);
103
104         /* KMS EnterVT equivalent */
105         if (drm_core_check_feature(dev, DRIVER_MODESET)) {
106                 mutex_lock(&dev->struct_mutex);
107                 dev_priv->mm.suspended = 0;
108
109                 ret = i915_gem_init_ringbuffer(dev);
110                 if (ret != 0)
111                         ret = -1;
112                 mutex_unlock(&dev->struct_mutex);
113
114                 drm_irq_install(dev);
115         }
116
117         return ret;
118 }
119
120 static struct vm_operations_struct i915_gem_vm_ops = {
121         .fault = i915_gem_fault,
122         .open = drm_gem_vm_open,
123         .close = drm_gem_vm_close,
124 };
125
126 static struct drm_driver driver = {
127         /* don't use mtrr's here, the Xserver or user space app should
128          * deal with them for intel hardware.
129          */
130         .driver_features =
131             DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/
132             DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM,
133         .load = i915_driver_load,
134         .unload = i915_driver_unload,
135         .open = i915_driver_open,
136         .lastclose = i915_driver_lastclose,
137         .preclose = i915_driver_preclose,
138         .postclose = i915_driver_postclose,
139         .suspend = i915_suspend,
140         .resume = i915_resume,
141         .device_is_agp = i915_driver_device_is_agp,
142         .enable_vblank = i915_enable_vblank,
143         .disable_vblank = i915_disable_vblank,
144         .irq_preinstall = i915_driver_irq_preinstall,
145         .irq_postinstall = i915_driver_irq_postinstall,
146         .irq_uninstall = i915_driver_irq_uninstall,
147         .irq_handler = i915_driver_irq_handler,
148         .reclaim_buffers = drm_core_reclaim_buffers,
149         .get_map_ofs = drm_core_get_map_ofs,
150         .get_reg_ofs = drm_core_get_reg_ofs,
151         .master_create = i915_master_create,
152         .master_destroy = i915_master_destroy,
153         .proc_init = i915_gem_proc_init,
154         .proc_cleanup = i915_gem_proc_cleanup,
155         .gem_init_object = i915_gem_init_object,
156         .gem_free_object = i915_gem_free_object,
157         .gem_vm_ops = &i915_gem_vm_ops,
158         .ioctls = i915_ioctls,
159         .fops = {
160                  .owner = THIS_MODULE,
161                  .open = drm_open,
162                  .release = drm_release,
163                  .ioctl = drm_ioctl,
164                  .mmap = drm_gem_mmap,
165                  .poll = drm_poll,
166                  .fasync = drm_fasync,
167 #ifdef CONFIG_COMPAT
168                  .compat_ioctl = i915_compat_ioctl,
169 #endif
170         },
171
172         .pci_driver = {
173                  .name = DRIVER_NAME,
174                  .id_table = pciidlist,
175         },
176
177         .name = DRIVER_NAME,
178         .desc = DRIVER_DESC,
179         .date = DRIVER_DATE,
180         .major = DRIVER_MAJOR,
181         .minor = DRIVER_MINOR,
182         .patchlevel = DRIVER_PATCHLEVEL,
183 };
184
185 static int __init i915_init(void)
186 {
187         driver.num_ioctls = i915_max_ioctl;
188
189         /*
190          * If CONFIG_DRM_I915_KMS is set, default to KMS unless
191          * explicitly disabled with the module pararmeter.
192          *
193          * Otherwise, just follow the parameter (defaulting to off).
194          *
195          * Allow optional vga_text_mode_force boot option to override
196          * the default behavior.
197          */
198 #if defined(CONFIG_DRM_I915_KMS)
199         if (i915_modeset != 0)
200                 driver.driver_features |= DRIVER_MODESET;
201 #endif
202         if (i915_modeset == 1)
203                 driver.driver_features |= DRIVER_MODESET;
204
205 #ifdef CONFIG_VGA_CONSOLE
206         if (vgacon_text_force() && i915_modeset == -1)
207                 driver.driver_features &= ~DRIVER_MODESET;
208 #endif
209
210         return drm_init(&driver);
211 }
212
213 static void __exit i915_exit(void)
214 {
215         drm_exit(&driver);
216 }
217
218 module_init(i915_init);
219 module_exit(i915_exit);
220
221 MODULE_AUTHOR(DRIVER_AUTHOR);
222 MODULE_DESCRIPTION(DRIVER_DESC);
223 MODULE_LICENSE("GPL and additional rights");