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1da177e4 LT |
1 | /* i915_drv.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*- |
2 | */ | |
0d6aa60b | 3 | /* |
bc54fd1a | 4 | * |
1da177e4 LT |
5 | * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. |
6 | * All Rights Reserved. | |
bc54fd1a DA |
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 | * | |
0d6aa60b | 28 | */ |
1da177e4 | 29 | |
5669fcac | 30 | #include <linux/device.h> |
1da177e4 LT |
31 | #include "drmP.h" |
32 | #include "drm.h" | |
33 | #include "i915_drm.h" | |
34 | #include "i915_drv.h" | |
35 | ||
36 | #include "drm_pciids.h" | |
79e53945 JB |
37 | #include <linux/console.h> |
38 | ||
b358d0a6 | 39 | static unsigned int i915_modeset = -1; |
79e53945 JB |
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); | |
1da177e4 | 44 | |
1da177e4 LT |
45 | static struct pci_device_id pciidlist[] = { |
46 | i915_PCI_IDS | |
47 | }; | |
48 | ||
79e53945 JB |
49 | #if defined(CONFIG_DRM_I915_KMS) |
50 | MODULE_DEVICE_TABLE(pci, pciidlist); | |
51 | #endif | |
52 | ||
b932ccb5 | 53 | static int i915_suspend(struct drm_device *dev, pm_message_t state) |
ba8bbcf6 JB |
54 | { |
55 | struct drm_i915_private *dev_priv = dev->dev_private; | |
ba8bbcf6 JB |
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 | ||
b932ccb5 DA |
63 | if (state.event == PM_EVENT_PRETHAW) |
64 | return 0; | |
65 | ||
ba8bbcf6 | 66 | pci_save_state(dev->pdev); |
ba8bbcf6 | 67 | |
317c35d1 | 68 | i915_save_state(dev); |
ba8bbcf6 | 69 | |
5669fcac | 70 | /* If KMS is active, we do the leavevt stuff here */ |
226485e9 JB |
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); | |
5669fcac JB |
76 | } |
77 | ||
8ee1c3db MG |
78 | intel_opregion_free(dev); |
79 | ||
b932ccb5 DA |
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 | } | |
ba8bbcf6 JB |
85 | |
86 | return 0; | |
87 | } | |
88 | ||
89 | static int i915_resume(struct drm_device *dev) | |
90 | { | |
5669fcac JB |
91 | struct drm_i915_private *dev_priv = dev->dev_private; |
92 | int ret = 0; | |
93 | ||
ba8bbcf6 JB |
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; | |
ea7b44c8 | 98 | pci_set_master(dev->pdev); |
ba8bbcf6 | 99 | |
317c35d1 | 100 | i915_restore_state(dev); |
ba8bbcf6 | 101 | |
8ee1c3db MG |
102 | intel_opregion_init(dev); |
103 | ||
5669fcac JB |
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); | |
226485e9 JB |
113 | |
114 | drm_irq_install(dev); | |
5669fcac JB |
115 | } |
116 | ||
117 | return ret; | |
ba8bbcf6 JB |
118 | } |
119 | ||
de151cf6 JB |
120 | static struct vm_operations_struct i915_gem_vm_ops = { |
121 | .fault = i915_gem_fault, | |
ab00b3e5 JB |
122 | .open = drm_gem_vm_open, |
123 | .close = drm_gem_vm_close, | |
de151cf6 JB |
124 | }; |
125 | ||
1da177e4 | 126 | static struct drm_driver driver = { |
792d2b9a DA |
127 | /* don't use mtrr's here, the Xserver or user space app should |
128 | * deal with them for intel hardware. | |
129 | */ | |
673a394b EA |
130 | .driver_features = |
131 | DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/ | |
132 | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM, | |
22eae947 | 133 | .load = i915_driver_load, |
ba8bbcf6 | 134 | .unload = i915_driver_unload, |
673a394b | 135 | .open = i915_driver_open, |
22eae947 DA |
136 | .lastclose = i915_driver_lastclose, |
137 | .preclose = i915_driver_preclose, | |
673a394b | 138 | .postclose = i915_driver_postclose, |
ba8bbcf6 JB |
139 | .suspend = i915_suspend, |
140 | .resume = i915_resume, | |
cda17380 | 141 | .device_is_agp = i915_driver_device_is_agp, |
0a3e67a4 JB |
142 | .enable_vblank = i915_enable_vblank, |
143 | .disable_vblank = i915_disable_vblank, | |
1da177e4 LT |
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, | |
7c1c2871 DA |
151 | .master_create = i915_master_create, |
152 | .master_destroy = i915_master_destroy, | |
673a394b EA |
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, | |
de151cf6 | 157 | .gem_vm_ops = &i915_gem_vm_ops, |
1da177e4 LT |
158 | .ioctls = i915_ioctls, |
159 | .fops = { | |
b5e89ed5 DA |
160 | .owner = THIS_MODULE, |
161 | .open = drm_open, | |
162 | .release = drm_release, | |
163 | .ioctl = drm_ioctl, | |
de151cf6 | 164 | .mmap = drm_gem_mmap, |
b5e89ed5 DA |
165 | .poll = drm_poll, |
166 | .fasync = drm_fasync, | |
8ca7c1df | 167 | #ifdef CONFIG_COMPAT |
b5e89ed5 | 168 | .compat_ioctl = i915_compat_ioctl, |
8ca7c1df | 169 | #endif |
22eae947 DA |
170 | }, |
171 | ||
1da177e4 | 172 | .pci_driver = { |
22eae947 DA |
173 | .name = DRIVER_NAME, |
174 | .id_table = pciidlist, | |
175 | }, | |
bc5f4523 | 176 | |
22eae947 DA |
177 | .name = DRIVER_NAME, |
178 | .desc = DRIVER_DESC, | |
179 | .date = DRIVER_DATE, | |
180 | .major = DRIVER_MAJOR, | |
181 | .minor = DRIVER_MINOR, | |
182 | .patchlevel = DRIVER_PATCHLEVEL, | |
1da177e4 LT |
183 | }; |
184 | ||
185 | static int __init i915_init(void) | |
186 | { | |
187 | driver.num_ioctls = i915_max_ioctl; | |
79e53945 JB |
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 | ||
1da177e4 LT |
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 | ||
b5e89ed5 DA |
221 | MODULE_AUTHOR(DRIVER_AUTHOR); |
222 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1da177e4 | 223 | MODULE_LICENSE("GPL and additional rights"); |