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
i915_suspend(struct drm_device * dev,pm_message_t state)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)) {
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);
76 }
77
78 intel_opregion_free(dev);
79
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 }
85
86 return 0;
87 }
88
i915_resume(struct drm_device * dev)89 static int i915_resume(struct drm_device *dev)
90 {
91 struct drm_i915_private *dev_priv = dev->dev_private;
92 int ret = 0;
93
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;
98 pci_set_master(dev->pdev);
99
100 i915_restore_state(dev);
101
102 intel_opregion_init(dev);
103
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);
113
114 drm_irq_install(dev);
115 }
116
117 return ret;
118 }
119
120 static struct vm_operations_struct i915_gem_vm_ops = {
121 .fault = i915_gem_fault,
122 .open = drm_gem_vm_open,
123 .close = drm_gem_vm_close,
124 };
125
126 static struct drm_driver driver = {
127 /* don't use mtrr's here, the Xserver or user space app should
128 * deal with them for intel hardware.
129 */
130 .driver_features =
131 DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/
132 DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM,
133 .load = i915_driver_load,
134 .unload = i915_driver_unload,
135 .open = i915_driver_open,
136 .lastclose = i915_driver_lastclose,
137 .preclose = i915_driver_preclose,
138 .postclose = i915_driver_postclose,
139 .suspend = i915_suspend,
140 .resume = i915_resume,
141 .device_is_agp = i915_driver_device_is_agp,
142 .enable_vblank = i915_enable_vblank,
143 .disable_vblank = i915_disable_vblank,
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,
151 .master_create = i915_master_create,
152 .master_destroy = i915_master_destroy,
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,
157 .gem_vm_ops = &i915_gem_vm_ops,
158 .ioctls = i915_ioctls,
159 .fops = {
160 .owner = THIS_MODULE,
161 .open = drm_open,
162 .release = drm_release,
163 .ioctl = drm_ioctl,
164 .mmap = drm_gem_mmap,
165 .poll = drm_poll,
166 .fasync = drm_fasync,
167 #ifdef CONFIG_COMPAT
168 .compat_ioctl = i915_compat_ioctl,
169 #endif
170 },
171
172 .pci_driver = {
173 .name = DRIVER_NAME,
174 .id_table = pciidlist,
175 },
176
177 .name = DRIVER_NAME,
178 .desc = DRIVER_DESC,
179 .date = DRIVER_DATE,
180 .major = DRIVER_MAJOR,
181 .minor = DRIVER_MINOR,
182 .patchlevel = DRIVER_PATCHLEVEL,
183 };
184
i915_init(void)185 static int __init i915_init(void)
186 {
187 driver.num_ioctls = i915_max_ioctl;
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
210 return drm_init(&driver);
211 }
212
i915_exit(void)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
221 MODULE_AUTHOR(DRIVER_AUTHOR);
222 MODULE_DESCRIPTION(DRIVER_DESC);
223 MODULE_LICENSE("GPL and additional rights");
224