c91648320a8bf54140c37812bcbd5d54ead7c192
[linux-3.10.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 "drmP.h"
31 #include "drm.h"
32 #include "i915_drm.h"
33 #include "i915_drv.h"
34
35 #include "drm_pciids.h"
36
37 static struct pci_device_id pciidlist[] = {
38         i915_PCI_IDS
39 };
40
41 static int i915_suspend(struct drm_device *dev, pm_message_t state)
42 {
43         struct drm_i915_private *dev_priv = dev->dev_private;
44
45         if (!dev || !dev_priv) {
46                 printk(KERN_ERR "dev: %p, dev_priv: %p\n", dev, dev_priv);
47                 printk(KERN_ERR "DRM not initialized, aborting suspend.\n");
48                 return -ENODEV;
49         }
50
51         if (state.event == PM_EVENT_PRETHAW)
52                 return 0;
53
54         pci_save_state(dev->pdev);
55
56         i915_save_state(dev);
57
58         intel_opregion_free(dev);
59
60         if (state.event == PM_EVENT_SUSPEND) {
61                 /* Shut down the device */
62                 pci_disable_device(dev->pdev);
63                 pci_set_power_state(dev->pdev, PCI_D3hot);
64         }
65
66         return 0;
67 }
68
69 static int i915_resume(struct drm_device *dev)
70 {
71         pci_set_power_state(dev->pdev, PCI_D0);
72         pci_restore_state(dev->pdev);
73         if (pci_enable_device(dev->pdev))
74                 return -1;
75         pci_set_master(dev->pdev);
76
77         i915_restore_state(dev);
78
79         intel_opregion_init(dev);
80
81         return 0;
82 }
83
84 static struct drm_driver driver = {
85         /* don't use mtrr's here, the Xserver or user space app should
86          * deal with them for intel hardware.
87          */
88         .driver_features =
89             DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/
90             DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM,
91         .load = i915_driver_load,
92         .unload = i915_driver_unload,
93         .open = i915_driver_open,
94         .lastclose = i915_driver_lastclose,
95         .preclose = i915_driver_preclose,
96         .postclose = i915_driver_postclose,
97         .suspend = i915_suspend,
98         .resume = i915_resume,
99         .device_is_agp = i915_driver_device_is_agp,
100         .get_vblank_counter = i915_get_vblank_counter,
101         .enable_vblank = i915_enable_vblank,
102         .disable_vblank = i915_disable_vblank,
103         .irq_preinstall = i915_driver_irq_preinstall,
104         .irq_postinstall = i915_driver_irq_postinstall,
105         .irq_uninstall = i915_driver_irq_uninstall,
106         .irq_handler = i915_driver_irq_handler,
107         .reclaim_buffers = drm_core_reclaim_buffers,
108         .get_map_ofs = drm_core_get_map_ofs,
109         .get_reg_ofs = drm_core_get_reg_ofs,
110         .master_create = i915_master_create,
111         .master_destroy = i915_master_destroy,
112         .proc_init = i915_gem_proc_init,
113         .proc_cleanup = i915_gem_proc_cleanup,
114         .gem_init_object = i915_gem_init_object,
115         .gem_free_object = i915_gem_free_object,
116         .ioctls = i915_ioctls,
117         .fops = {
118                  .owner = THIS_MODULE,
119                  .open = drm_open,
120                  .release = drm_release,
121                  .ioctl = drm_ioctl,
122                  .mmap = drm_mmap,
123                  .poll = drm_poll,
124                  .fasync = drm_fasync,
125 #ifdef CONFIG_COMPAT
126                  .compat_ioctl = i915_compat_ioctl,
127 #endif
128         },
129
130         .pci_driver = {
131                  .name = DRIVER_NAME,
132                  .id_table = pciidlist,
133         },
134
135         .name = DRIVER_NAME,
136         .desc = DRIVER_DESC,
137         .date = DRIVER_DATE,
138         .major = DRIVER_MAJOR,
139         .minor = DRIVER_MINOR,
140         .patchlevel = DRIVER_PATCHLEVEL,
141 };
142
143 static int __init i915_init(void)
144 {
145         driver.num_ioctls = i915_max_ioctl;
146         return drm_init(&driver);
147 }
148
149 static void __exit i915_exit(void)
150 {
151         drm_exit(&driver);
152 }
153
154 module_init(i915_init);
155 module_exit(i915_exit);
156
157 MODULE_AUTHOR(DRIVER_AUTHOR);
158 MODULE_DESCRIPTION(DRIVER_DESC);
159 MODULE_LICENSE("GPL and additional rights");