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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* i915_drv.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*-
2 */
Dave Airlie0d6aa602006-01-02 20:14:23 +11003/*
Dave Airliebc54fd12005-06-23 22:46:46 +10004 *
Linus Torvalds1da177e2005-04-16 15:20:36 -07005 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * All Rights Reserved.
Dave Airliebc54fd12005-06-23 22:46:46 +10007 *
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 *
Dave Airlie0d6aa602006-01-02 20:14:23 +110028 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070029
Jesse Barnes5669fca2009-02-17 15:13:31 -080030#include <linux/device.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070031#include "drmP.h"
32#include "drm.h"
33#include "i915_drm.h"
34#include "i915_drv.h"
35
36#include "drm_pciids.h"
Jesse Barnes79e53942008-11-07 14:24:08 -080037#include <linux/console.h>
38
Hannes Ederb358d0a2008-12-18 21:18:47 +010039static unsigned int i915_modeset = -1;
Jesse Barnes79e53942008-11-07 14:24:08 -080040module_param_named(modeset, i915_modeset, int, 0400);
41
42unsigned int i915_fbpercrtc = 0;
43module_param_named(fbpercrtc, i915_fbpercrtc, int, 0400);
Linus Torvalds1da177e2005-04-16 15:20:36 -070044
Kristian Høgsberg112b7152009-01-04 16:55:33 -050045static struct drm_driver driver;
46
Linus Torvalds1da177e2005-04-16 15:20:36 -070047static struct pci_device_id pciidlist[] = {
48 i915_PCI_IDS
49};
50
Jesse Barnes79e53942008-11-07 14:24:08 -080051#if defined(CONFIG_DRM_I915_KMS)
52MODULE_DEVICE_TABLE(pci, pciidlist);
53#endif
54
Dave Airlieb932ccb2008-02-20 10:02:20 +100055static int i915_suspend(struct drm_device *dev, pm_message_t state)
Jesse Barnesba8bbcf2007-11-22 14:14:14 +100056{
57 struct drm_i915_private *dev_priv = dev->dev_private;
Jesse Barnesba8bbcf2007-11-22 14:14:14 +100058
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
Dave Airlieb932ccb2008-02-20 10:02:20 +100065 if (state.event == PM_EVENT_PRETHAW)
66 return 0;
67
Jesse Barnesba8bbcf2007-11-22 14:14:14 +100068 pci_save_state(dev->pdev);
Jesse Barnesba8bbcf2007-11-22 14:14:14 +100069
Jesse Barnes317c35d2008-08-25 15:11:06 -070070 i915_save_state(dev);
Jesse Barnesba8bbcf2007-11-22 14:14:14 +100071
Jesse Barnes5669fca2009-02-17 15:13:31 -080072 /* If KMS is active, we do the leavevt stuff here */
Jesse Barnes226485e2009-02-23 15:41:09 -080073 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);
Jesse Barnes5669fca2009-02-17 15:13:31 -080078 }
79
Matthew Garrett3b1c1c12009-04-01 19:52:29 +010080 intel_opregion_free(dev, 1);
Matthew Garrett8ee1c3d2008-08-05 19:37:25 +010081
Dave Airlieb932ccb2008-02-20 10:02:20 +100082 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 }
Jesse Barnesba8bbcf2007-11-22 14:14:14 +100087
88 return 0;
89}
90
91static int i915_resume(struct drm_device *dev)
92{
Jesse Barnes5669fca2009-02-17 15:13:31 -080093 struct drm_i915_private *dev_priv = dev->dev_private;
94 int ret = 0;
95
Jesse Barnesba8bbcf2007-11-22 14:14:14 +100096 pci_set_power_state(dev->pdev, PCI_D0);
97 pci_restore_state(dev->pdev);
98 if (pci_enable_device(dev->pdev))
99 return -1;
Jie Luoea7b44c2008-06-24 10:38:31 -0700100 pci_set_master(dev->pdev);
Jesse Barnesba8bbcf2007-11-22 14:14:14 +1000101
Jesse Barnes317c35d2008-08-25 15:11:06 -0700102 i915_restore_state(dev);
Jesse Barnesba8bbcf2007-11-22 14:14:14 +1000103
Matthew Garrett74a365b2009-03-19 21:35:39 +0000104 intel_opregion_init(dev, 1);
Matthew Garrett8ee1c3d2008-08-05 19:37:25 +0100105
Jesse Barnes5669fca2009-02-17 15:13:31 -0800106 /* 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);
Jesse Barnes226485e2009-02-23 15:41:09 -0800115
116 drm_irq_install(dev);
Jesse Barnes5669fca2009-02-17 15:13:31 -0800117 }
118
119 return ret;
Jesse Barnesba8bbcf2007-11-22 14:14:14 +1000120}
121
Kristian Høgsberg112b7152009-01-04 16:55:33 -0500122static int __devinit
123i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
124{
125 return drm_get_dev(pdev, ent, &driver);
126}
127
128static void
129i915_pci_remove(struct pci_dev *pdev)
130{
131 struct drm_device *dev = pci_get_drvdata(pdev);
132
133 drm_put_dev(dev);
134}
135
136static int
137i915_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
144static int
145i915_pci_resume(struct pci_dev *pdev)
146{
147 struct drm_device *dev = pci_get_drvdata(pdev);
148
149 return i915_resume(dev);
150}
151
Jesse Barnesde151cf2008-11-12 10:03:55 -0800152static struct vm_operations_struct i915_gem_vm_ops = {
153 .fault = i915_gem_fault,
Jesse Barnesab00b3e2009-02-11 14:01:46 -0800154 .open = drm_gem_vm_open,
155 .close = drm_gem_vm_close,
Jesse Barnesde151cf2008-11-12 10:03:55 -0800156};
157
Linus Torvalds1da177e2005-04-16 15:20:36 -0700158static struct drm_driver driver = {
Dave Airlie792d2b92005-11-11 23:30:27 +1100159 /* don't use mtrr's here, the Xserver or user space app should
160 * deal with them for intel hardware.
161 */
Eric Anholt673a3942008-07-30 12:06:12 -0700162 .driver_features =
163 DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/
164 DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM,
Dave Airlie22eae942005-11-10 22:16:34 +1100165 .load = i915_driver_load,
Jesse Barnesba8bbcf2007-11-22 14:14:14 +1000166 .unload = i915_driver_unload,
Eric Anholt673a3942008-07-30 12:06:12 -0700167 .open = i915_driver_open,
Dave Airlie22eae942005-11-10 22:16:34 +1100168 .lastclose = i915_driver_lastclose,
169 .preclose = i915_driver_preclose,
Eric Anholt673a3942008-07-30 12:06:12 -0700170 .postclose = i915_driver_postclose,
Jesse Barnesba8bbcf2007-11-22 14:14:14 +1000171 .suspend = i915_suspend,
172 .resume = i915_resume,
Dave Airliecda17382005-07-10 17:31:26 +1000173 .device_is_agp = i915_driver_device_is_agp,
Jesse Barnes0a3e67a2008-09-30 12:14:26 -0700174 .enable_vblank = i915_enable_vblank,
175 .disable_vblank = i915_disable_vblank,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700176 .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,
Dave Airlie7c1c2872008-11-28 14:22:24 +1000183 .master_create = i915_master_create,
184 .master_destroy = i915_master_destroy,
Ben Gamari955b12d2009-02-17 20:08:49 -0500185#if defined(CONFIG_DEBUG_FS)
186 .debugfs_init = i915_gem_debugfs_init,
187 .debugfs_cleanup = i915_gem_debugfs_cleanup,
188#endif
Eric Anholt673a3942008-07-30 12:06:12 -0700189 .gem_init_object = i915_gem_init_object,
190 .gem_free_object = i915_gem_free_object,
Jesse Barnesde151cf2008-11-12 10:03:55 -0800191 .gem_vm_ops = &i915_gem_vm_ops,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700192 .ioctls = i915_ioctls,
193 .fops = {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000194 .owner = THIS_MODULE,
195 .open = drm_open,
196 .release = drm_release,
197 .ioctl = drm_ioctl,
Jesse Barnesde151cf2008-11-12 10:03:55 -0800198 .mmap = drm_gem_mmap,
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000199 .poll = drm_poll,
200 .fasync = drm_fasync,
Dave Airlie8ca7c1d2005-07-07 21:51:26 +1000201#ifdef CONFIG_COMPAT
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000202 .compat_ioctl = i915_compat_ioctl,
Dave Airlie8ca7c1d2005-07-07 21:51:26 +1000203#endif
Dave Airlie22eae942005-11-10 22:16:34 +1100204 },
205
Linus Torvalds1da177e2005-04-16 15:20:36 -0700206 .pci_driver = {
Dave Airlie22eae942005-11-10 22:16:34 +1100207 .name = DRIVER_NAME,
208 .id_table = pciidlist,
Kristian Høgsberg112b7152009-01-04 16:55:33 -0500209 .probe = i915_pci_probe,
210 .remove = i915_pci_remove,
211#ifdef CONFIG_PM
212 .resume = i915_pci_resume,
213 .suspend = i915_pci_suspend,
214#endif
Dave Airlie22eae942005-11-10 22:16:34 +1100215 },
Dave Airliebc5f4522007-11-05 12:50:58 +1000216
Dave Airlie22eae942005-11-10 22:16:34 +1100217 .name = DRIVER_NAME,
218 .desc = DRIVER_DESC,
219 .date = DRIVER_DATE,
220 .major = DRIVER_MAJOR,
221 .minor = DRIVER_MINOR,
222 .patchlevel = DRIVER_PATCHLEVEL,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700223};
224
225static int __init i915_init(void)
226{
227 driver.num_ioctls = i915_max_ioctl;
Jesse Barnes79e53942008-11-07 14:24:08 -0800228
229 /*
230 * If CONFIG_DRM_I915_KMS is set, default to KMS unless
231 * explicitly disabled with the module pararmeter.
232 *
233 * Otherwise, just follow the parameter (defaulting to off).
234 *
235 * Allow optional vga_text_mode_force boot option to override
236 * the default behavior.
237 */
238#if defined(CONFIG_DRM_I915_KMS)
239 if (i915_modeset != 0)
240 driver.driver_features |= DRIVER_MODESET;
241#endif
242 if (i915_modeset == 1)
243 driver.driver_features |= DRIVER_MODESET;
244
245#ifdef CONFIG_VGA_CONSOLE
246 if (vgacon_text_force() && i915_modeset == -1)
247 driver.driver_features &= ~DRIVER_MODESET;
248#endif
249
Linus Torvalds1da177e2005-04-16 15:20:36 -0700250 return drm_init(&driver);
251}
252
253static void __exit i915_exit(void)
254{
255 drm_exit(&driver);
256}
257
258module_init(i915_init);
259module_exit(i915_exit);
260
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000261MODULE_AUTHOR(DRIVER_AUTHOR);
262MODULE_DESCRIPTION(DRIVER_DESC);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700263MODULE_LICENSE("GPL and additional rights");