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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 | |
112b715e KH |
45 | static struct drm_driver driver; |
46 | ||
1da177e4 LT |
47 | static struct pci_device_id pciidlist[] = { |
48 | i915_PCI_IDS | |
49 | }; | |
50 | ||
79e53945 JB |
51 | #if defined(CONFIG_DRM_I915_KMS) |
52 | MODULE_DEVICE_TABLE(pci, pciidlist); | |
53 | #endif | |
54 | ||
b932ccb5 | 55 | static int i915_suspend(struct drm_device *dev, pm_message_t state) |
ba8bbcf6 JB |
56 | { |
57 | struct drm_i915_private *dev_priv = dev->dev_private; | |
ba8bbcf6 JB |
58 | |
59 | if (!dev || !dev_priv) { | |
60 | printk(KERN_ERR "dev: %p, dev_priv: %p\n", dev, dev_priv); | |
61 | printk(KERN_ERR "DRM not initialized, aborting suspend.\n"); | |
62 | return -ENODEV; | |
63 | } | |
64 | ||
b932ccb5 DA |
65 | if (state.event == PM_EVENT_PRETHAW) |
66 | return 0; | |
67 | ||
ba8bbcf6 | 68 | pci_save_state(dev->pdev); |
ba8bbcf6 | 69 | |
317c35d1 | 70 | i915_save_state(dev); |
ba8bbcf6 | 71 | |
5669fcac | 72 | /* If KMS is active, we do the leavevt stuff here */ |
226485e9 JB |
73 | if (drm_core_check_feature(dev, DRIVER_MODESET)) { |
74 | if (i915_gem_idle(dev)) | |
75 | dev_err(&dev->pdev->dev, | |
76 | "GEM idle failed, resume may fail\n"); | |
77 | drm_irq_uninstall(dev); | |
5669fcac JB |
78 | } |
79 | ||
8ee1c3db MG |
80 | intel_opregion_free(dev); |
81 | ||
b932ccb5 DA |
82 | if (state.event == PM_EVENT_SUSPEND) { |
83 | /* Shut down the device */ | |
84 | pci_disable_device(dev->pdev); | |
85 | pci_set_power_state(dev->pdev, PCI_D3hot); | |
86 | } | |
ba8bbcf6 JB |
87 | |
88 | return 0; | |
89 | } | |
90 | ||
91 | static int i915_resume(struct drm_device *dev) | |
92 | { | |
5669fcac JB |
93 | struct drm_i915_private *dev_priv = dev->dev_private; |
94 | int ret = 0; | |
95 | ||
ba8bbcf6 JB |
96 | pci_set_power_state(dev->pdev, PCI_D0); |
97 | pci_restore_state(dev->pdev); | |
98 | if (pci_enable_device(dev->pdev)) | |
99 | return -1; | |
ea7b44c8 | 100 | pci_set_master(dev->pdev); |
ba8bbcf6 | 101 | |
317c35d1 | 102 | i915_restore_state(dev); |
ba8bbcf6 | 103 | |
8ee1c3db MG |
104 | intel_opregion_init(dev); |
105 | ||
5669fcac JB |
106 | /* KMS EnterVT equivalent */ |
107 | if (drm_core_check_feature(dev, DRIVER_MODESET)) { | |
108 | mutex_lock(&dev->struct_mutex); | |
109 | dev_priv->mm.suspended = 0; | |
110 | ||
111 | ret = i915_gem_init_ringbuffer(dev); | |
112 | if (ret != 0) | |
113 | ret = -1; | |
114 | mutex_unlock(&dev->struct_mutex); | |
226485e9 JB |
115 | |
116 | drm_irq_install(dev); | |
5669fcac JB |
117 | } |
118 | ||
119 | return ret; | |
ba8bbcf6 JB |
120 | } |
121 | ||
112b715e KH |
122 | static int __devinit |
123 | i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |
124 | { | |
125 | return drm_get_dev(pdev, ent, &driver); | |
126 | } | |
127 | ||
128 | static void | |
129 | i915_pci_remove(struct pci_dev *pdev) | |
130 | { | |
131 | struct drm_device *dev = pci_get_drvdata(pdev); | |
132 | ||
133 | drm_put_dev(dev); | |
134 | } | |
135 | ||
136 | static int | |
137 | i915_pci_suspend(struct pci_dev *pdev, pm_message_t state) | |
138 | { | |
139 | struct drm_device *dev = pci_get_drvdata(pdev); | |
140 | ||
141 | return i915_suspend(dev, state); | |
142 | } | |
143 | ||
144 | static int | |
145 | i915_pci_resume(struct pci_dev *pdev) | |
146 | { | |
147 | struct drm_device *dev = pci_get_drvdata(pdev); | |
148 | ||
149 | return i915_resume(dev); | |
150 | } | |
151 | ||
de151cf6 JB |
152 | static struct vm_operations_struct i915_gem_vm_ops = { |
153 | .fault = i915_gem_fault, | |
ab00b3e5 JB |
154 | .open = drm_gem_vm_open, |
155 | .close = drm_gem_vm_close, | |
de151cf6 JB |
156 | }; |
157 | ||
1da177e4 | 158 | static struct drm_driver driver = { |
792d2b9a DA |
159 | /* don't use mtrr's here, the Xserver or user space app should |
160 | * deal with them for intel hardware. | |
161 | */ | |
673a394b EA |
162 | .driver_features = |
163 | DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/ | |
164 | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM, | |
22eae947 | 165 | .load = i915_driver_load, |
ba8bbcf6 | 166 | .unload = i915_driver_unload, |
673a394b | 167 | .open = i915_driver_open, |
22eae947 DA |
168 | .lastclose = i915_driver_lastclose, |
169 | .preclose = i915_driver_preclose, | |
673a394b | 170 | .postclose = i915_driver_postclose, |
ba8bbcf6 JB |
171 | .suspend = i915_suspend, |
172 | .resume = i915_resume, | |
cda17380 | 173 | .device_is_agp = i915_driver_device_is_agp, |
0a3e67a4 JB |
174 | .enable_vblank = i915_enable_vblank, |
175 | .disable_vblank = i915_disable_vblank, | |
1da177e4 LT |
176 | .irq_preinstall = i915_driver_irq_preinstall, |
177 | .irq_postinstall = i915_driver_irq_postinstall, | |
178 | .irq_uninstall = i915_driver_irq_uninstall, | |
179 | .irq_handler = i915_driver_irq_handler, | |
180 | .reclaim_buffers = drm_core_reclaim_buffers, | |
181 | .get_map_ofs = drm_core_get_map_ofs, | |
182 | .get_reg_ofs = drm_core_get_reg_ofs, | |
7c1c2871 DA |
183 | .master_create = i915_master_create, |
184 | .master_destroy = i915_master_destroy, | |
673a394b EA |
185 | .proc_init = i915_gem_proc_init, |
186 | .proc_cleanup = i915_gem_proc_cleanup, | |
187 | .gem_init_object = i915_gem_init_object, | |
188 | .gem_free_object = i915_gem_free_object, | |
de151cf6 | 189 | .gem_vm_ops = &i915_gem_vm_ops, |
1da177e4 LT |
190 | .ioctls = i915_ioctls, |
191 | .fops = { | |
b5e89ed5 DA |
192 | .owner = THIS_MODULE, |
193 | .open = drm_open, | |
194 | .release = drm_release, | |
195 | .ioctl = drm_ioctl, | |
de151cf6 | 196 | .mmap = drm_gem_mmap, |
b5e89ed5 DA |
197 | .poll = drm_poll, |
198 | .fasync = drm_fasync, | |
8ca7c1df | 199 | #ifdef CONFIG_COMPAT |
b5e89ed5 | 200 | .compat_ioctl = i915_compat_ioctl, |
8ca7c1df | 201 | #endif |
22eae947 DA |
202 | }, |
203 | ||
1da177e4 | 204 | .pci_driver = { |
22eae947 DA |
205 | .name = DRIVER_NAME, |
206 | .id_table = pciidlist, | |
112b715e KH |
207 | .probe = i915_pci_probe, |
208 | .remove = i915_pci_remove, | |
209 | #ifdef CONFIG_PM | |
210 | .resume = i915_pci_resume, | |
211 | .suspend = i915_pci_suspend, | |
212 | #endif | |
22eae947 | 213 | }, |
bc5f4523 | 214 | |
22eae947 DA |
215 | .name = DRIVER_NAME, |
216 | .desc = DRIVER_DESC, | |
217 | .date = DRIVER_DATE, | |
218 | .major = DRIVER_MAJOR, | |
219 | .minor = DRIVER_MINOR, | |
220 | .patchlevel = DRIVER_PATCHLEVEL, | |
1da177e4 LT |
221 | }; |
222 | ||
223 | static int __init i915_init(void) | |
224 | { | |
225 | driver.num_ioctls = i915_max_ioctl; | |
79e53945 JB |
226 | |
227 | /* | |
228 | * If CONFIG_DRM_I915_KMS is set, default to KMS unless | |
229 | * explicitly disabled with the module pararmeter. | |
230 | * | |
231 | * Otherwise, just follow the parameter (defaulting to off). | |
232 | * | |
233 | * Allow optional vga_text_mode_force boot option to override | |
234 | * the default behavior. | |
235 | */ | |
236 | #if defined(CONFIG_DRM_I915_KMS) | |
237 | if (i915_modeset != 0) | |
238 | driver.driver_features |= DRIVER_MODESET; | |
239 | #endif | |
240 | if (i915_modeset == 1) | |
241 | driver.driver_features |= DRIVER_MODESET; | |
242 | ||
243 | #ifdef CONFIG_VGA_CONSOLE | |
244 | if (vgacon_text_force() && i915_modeset == -1) | |
245 | driver.driver_features &= ~DRIVER_MODESET; | |
246 | #endif | |
247 | ||
1da177e4 LT |
248 | return drm_init(&driver); |
249 | } | |
250 | ||
251 | static void __exit i915_exit(void) | |
252 | { | |
253 | drm_exit(&driver); | |
254 | } | |
255 | ||
256 | module_init(i915_init); | |
257 | module_exit(i915_exit); | |
258 | ||
b5e89ed5 DA |
259 | MODULE_AUTHOR(DRIVER_AUTHOR); |
260 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1da177e4 | 261 | MODULE_LICENSE("GPL and additional rights"); |