cbee41c324178042411aa67bc51bb0826a58f78e
[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 "drmP.h"
31 #include "drm.h"
32 #include "i915_drm.h"
33 #include "i915_drv.h"
34
35 #include "drm_pciids.h"
36 #include <linux/console.h>
37
38 unsigned int i915_modeset = -1;
39 module_param_named(modeset, i915_modeset, int, 0400);
40
41 unsigned int i915_fbpercrtc = 0;
42 module_param_named(fbpercrtc, i915_fbpercrtc, int, 0400);
43
44 static struct pci_device_id pciidlist[] = {
45         i915_PCI_IDS
46 };
47
48 #if defined(CONFIG_DRM_I915_KMS)
49 MODULE_DEVICE_TABLE(pci, pciidlist);
50 #endif
51
52 static int i915_suspend(struct drm_device *dev, pm_message_t state)
53 {
54         struct drm_i915_private *dev_priv = dev->dev_private;
55
56         if (!dev || !dev_priv) {
57                 printk(KERN_ERR "dev: %p, dev_priv: %p\n", dev, dev_priv);
58                 printk(KERN_ERR "DRM not initialized, aborting suspend.\n");
59                 return -ENODEV;
60         }
61
62         if (state.event == PM_EVENT_PRETHAW)
63                 return 0;
64
65         pci_save_state(dev->pdev);
66
67         i915_save_state(dev);
68
69         intel_opregion_free(dev);
70
71         if (state.event == PM_EVENT_SUSPEND) {
72                 /* Shut down the device */
73                 pci_disable_device(dev->pdev);
74                 pci_set_power_state(dev->pdev, PCI_D3hot);
75         }
76
77         return 0;
78 }
79
80 static int i915_resume(struct drm_device *dev)
81 {
82         pci_set_power_state(dev->pdev, PCI_D0);
83         pci_restore_state(dev->pdev);
84         if (pci_enable_device(dev->pdev))
85                 return -1;
86         pci_set_master(dev->pdev);
87
88         i915_restore_state(dev);
89
90         intel_opregion_init(dev);
91
92         return 0;
93 }
94
95 static struct vm_operations_struct i915_gem_vm_ops = {
96         .fault = i915_gem_fault,
97 };
98
99 static struct drm_driver driver = {
100         /* don't use mtrr's here, the Xserver or user space app should
101          * deal with them for intel hardware.
102          */
103         .driver_features =
104             DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/
105             DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM,
106         .load = i915_driver_load,
107         .unload = i915_driver_unload,
108         .open = i915_driver_open,
109         .lastclose = i915_driver_lastclose,
110         .preclose = i915_driver_preclose,
111         .postclose = i915_driver_postclose,
112         .suspend = i915_suspend,
113         .resume = i915_resume,
114         .device_is_agp = i915_driver_device_is_agp,
115         .get_vblank_counter = i915_get_vblank_counter,
116         .enable_vblank = i915_enable_vblank,
117         .disable_vblank = i915_disable_vblank,
118         .irq_preinstall = i915_driver_irq_preinstall,
119         .irq_postinstall = i915_driver_irq_postinstall,
120         .irq_uninstall = i915_driver_irq_uninstall,
121         .irq_handler = i915_driver_irq_handler,
122         .reclaim_buffers = drm_core_reclaim_buffers,
123         .get_map_ofs = drm_core_get_map_ofs,
124         .get_reg_ofs = drm_core_get_reg_ofs,
125         .master_create = i915_master_create,
126         .master_destroy = i915_master_destroy,
127         .proc_init = i915_gem_proc_init,
128         .proc_cleanup = i915_gem_proc_cleanup,
129         .gem_init_object = i915_gem_init_object,
130         .gem_free_object = i915_gem_free_object,
131         .gem_vm_ops = &i915_gem_vm_ops,
132         .ioctls = i915_ioctls,
133         .fops = {
134                  .owner = THIS_MODULE,
135                  .open = drm_open,
136                  .release = drm_release,
137                  .ioctl = drm_ioctl,
138                  .mmap = drm_gem_mmap,
139                  .poll = drm_poll,
140                  .fasync = drm_fasync,
141 #ifdef CONFIG_COMPAT
142                  .compat_ioctl = i915_compat_ioctl,
143 #endif
144         },
145
146         .pci_driver = {
147                  .name = DRIVER_NAME,
148                  .id_table = pciidlist,
149         },
150
151         .name = DRIVER_NAME,
152         .desc = DRIVER_DESC,
153         .date = DRIVER_DATE,
154         .major = DRIVER_MAJOR,
155         .minor = DRIVER_MINOR,
156         .patchlevel = DRIVER_PATCHLEVEL,
157 };
158
159 static int __init i915_init(void)
160 {
161         driver.num_ioctls = i915_max_ioctl;
162
163         /*
164          * If CONFIG_DRM_I915_KMS is set, default to KMS unless
165          * explicitly disabled with the module pararmeter.
166          *
167          * Otherwise, just follow the parameter (defaulting to off).
168          *
169          * Allow optional vga_text_mode_force boot option to override
170          * the default behavior.
171          */
172 #if defined(CONFIG_DRM_I915_KMS)
173         if (i915_modeset != 0)
174                 driver.driver_features |= DRIVER_MODESET;
175 #endif
176         if (i915_modeset == 1)
177                 driver.driver_features |= DRIVER_MODESET;
178
179 #ifdef CONFIG_VGA_CONSOLE
180         if (vgacon_text_force() && i915_modeset == -1)
181                 driver.driver_features &= ~DRIVER_MODESET;
182 #endif
183
184         return drm_init(&driver);
185 }
186
187 static void __exit i915_exit(void)
188 {
189         drm_exit(&driver);
190 }
191
192 module_init(i915_init);
193 module_exit(i915_exit);
194
195 MODULE_AUTHOR(DRIVER_AUTHOR);
196 MODULE_DESCRIPTION(DRIVER_DESC);
197 MODULE_LICENSE("GPL and additional rights");