Merge branch 'fix/hda' into for-linus
[linux-2.6] / 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) && i915_gem_idle(dev)) {
72                 dev_err(&dev->pdev->dev, "GEM idle failed, aborting suspend\n");
73                 return -EBUSY;
74         }
75
76         intel_opregion_free(dev);
77
78         if (state.event == PM_EVENT_SUSPEND) {
79                 /* Shut down the device */
80                 pci_disable_device(dev->pdev);
81                 pci_set_power_state(dev->pdev, PCI_D3hot);
82         }
83
84         return 0;
85 }
86
87 static int i915_resume(struct drm_device *dev)
88 {
89         struct drm_i915_private *dev_priv = dev->dev_private;
90         int ret = 0;
91
92         pci_set_power_state(dev->pdev, PCI_D0);
93         pci_restore_state(dev->pdev);
94         if (pci_enable_device(dev->pdev))
95                 return -1;
96         pci_set_master(dev->pdev);
97
98         i915_restore_state(dev);
99
100         intel_opregion_init(dev);
101
102         /* KMS EnterVT equivalent */
103         if (drm_core_check_feature(dev, DRIVER_MODESET)) {
104                 mutex_lock(&dev->struct_mutex);
105                 dev_priv->mm.suspended = 0;
106
107                 ret = i915_gem_init_ringbuffer(dev);
108                 if (ret != 0)
109                         ret = -1;
110                 mutex_unlock(&dev->struct_mutex);
111         }
112
113         return ret;
114 }
115
116 static struct vm_operations_struct i915_gem_vm_ops = {
117         .fault = i915_gem_fault,
118         .open = drm_gem_vm_open,
119         .close = drm_gem_vm_close,
120 };
121
122 static struct drm_driver driver = {
123         /* don't use mtrr's here, the Xserver or user space app should
124          * deal with them for intel hardware.
125          */
126         .driver_features =
127             DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/
128             DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM,
129         .load = i915_driver_load,
130         .unload = i915_driver_unload,
131         .open = i915_driver_open,
132         .lastclose = i915_driver_lastclose,
133         .preclose = i915_driver_preclose,
134         .postclose = i915_driver_postclose,
135         .suspend = i915_suspend,
136         .resume = i915_resume,
137         .device_is_agp = i915_driver_device_is_agp,
138         .enable_vblank = i915_enable_vblank,
139         .disable_vblank = i915_disable_vblank,
140         .irq_preinstall = i915_driver_irq_preinstall,
141         .irq_postinstall = i915_driver_irq_postinstall,
142         .irq_uninstall = i915_driver_irq_uninstall,
143         .irq_handler = i915_driver_irq_handler,
144         .reclaim_buffers = drm_core_reclaim_buffers,
145         .get_map_ofs = drm_core_get_map_ofs,
146         .get_reg_ofs = drm_core_get_reg_ofs,
147         .master_create = i915_master_create,
148         .master_destroy = i915_master_destroy,
149         .proc_init = i915_gem_proc_init,
150         .proc_cleanup = i915_gem_proc_cleanup,
151         .gem_init_object = i915_gem_init_object,
152         .gem_free_object = i915_gem_free_object,
153         .gem_vm_ops = &i915_gem_vm_ops,
154         .ioctls = i915_ioctls,
155         .fops = {
156                  .owner = THIS_MODULE,
157                  .open = drm_open,
158                  .release = drm_release,
159                  .ioctl = drm_ioctl,
160                  .mmap = drm_gem_mmap,
161                  .poll = drm_poll,
162                  .fasync = drm_fasync,
163 #ifdef CONFIG_COMPAT
164                  .compat_ioctl = i915_compat_ioctl,
165 #endif
166         },
167
168         .pci_driver = {
169                  .name = DRIVER_NAME,
170                  .id_table = pciidlist,
171         },
172
173         .name = DRIVER_NAME,
174         .desc = DRIVER_DESC,
175         .date = DRIVER_DATE,
176         .major = DRIVER_MAJOR,
177         .minor = DRIVER_MINOR,
178         .patchlevel = DRIVER_PATCHLEVEL,
179 };
180
181 static int __init i915_init(void)
182 {
183         driver.num_ioctls = i915_max_ioctl;
184
185         /*
186          * If CONFIG_DRM_I915_KMS is set, default to KMS unless
187          * explicitly disabled with the module pararmeter.
188          *
189          * Otherwise, just follow the parameter (defaulting to off).
190          *
191          * Allow optional vga_text_mode_force boot option to override
192          * the default behavior.
193          */
194 #if defined(CONFIG_DRM_I915_KMS)
195         if (i915_modeset != 0)
196                 driver.driver_features |= DRIVER_MODESET;
197 #endif
198         if (i915_modeset == 1)
199                 driver.driver_features |= DRIVER_MODESET;
200
201 #ifdef CONFIG_VGA_CONSOLE
202         if (vgacon_text_force() && i915_modeset == -1)
203                 driver.driver_features &= ~DRIVER_MODESET;
204 #endif
205
206         return drm_init(&driver);
207 }
208
209 static void __exit i915_exit(void)
210 {
211         drm_exit(&driver);
212 }
213
214 module_init(i915_init);
215 module_exit(i915_exit);
216
217 MODULE_AUTHOR(DRIVER_AUTHOR);
218 MODULE_DESCRIPTION(DRIVER_DESC);
219 MODULE_LICENSE("GPL and additional rights");