1 /* i915_drv.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*-
5 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
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:
16 * The above copyright notice and this permission notice (including the
17 * next paragraph) shall be included in all copies or substantial portions
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.
30 #include <linux/device.h>
36 #include "drm_pciids.h"
37 #include <linux/console.h>
39 static unsigned int i915_modeset
= -1;
40 module_param_named(modeset
, i915_modeset
, int, 0400);
42 unsigned int i915_fbpercrtc
= 0;
43 module_param_named(fbpercrtc
, i915_fbpercrtc
, int, 0400);
45 static struct drm_driver driver
;
47 static struct pci_device_id pciidlist
[] = {
51 #if defined(CONFIG_DRM_I915_KMS)
52 MODULE_DEVICE_TABLE(pci
, pciidlist
);
55 static int i915_suspend(struct drm_device
*dev
, pm_message_t state
)
57 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
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");
65 if (state
.event
== PM_EVENT_PRETHAW
)
68 pci_save_state(dev
->pdev
);
72 /* If KMS is active, we do the leavevt stuff here */
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
);
80 intel_opregion_free(dev
, 1);
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
);
91 static int i915_resume(struct drm_device
*dev
)
93 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
96 pci_set_power_state(dev
->pdev
, PCI_D0
);
97 pci_restore_state(dev
->pdev
);
98 if (pci_enable_device(dev
->pdev
))
100 pci_set_master(dev
->pdev
);
102 i915_restore_state(dev
);
104 intel_opregion_init(dev
, 1);
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;
111 ret
= i915_gem_init_ringbuffer(dev
);
114 mutex_unlock(&dev
->struct_mutex
);
116 drm_irq_install(dev
);
123 i915_pci_probe(struct pci_dev
*pdev
, const struct pci_device_id
*ent
)
125 return drm_get_dev(pdev
, ent
, &driver
);
129 i915_pci_remove(struct pci_dev
*pdev
)
131 struct drm_device
*dev
= pci_get_drvdata(pdev
);
137 i915_pci_suspend(struct pci_dev
*pdev
, pm_message_t state
)
139 struct drm_device
*dev
= pci_get_drvdata(pdev
);
141 return i915_suspend(dev
, state
);
145 i915_pci_resume(struct pci_dev
*pdev
)
147 struct drm_device
*dev
= pci_get_drvdata(pdev
);
149 return i915_resume(dev
);
152 static struct vm_operations_struct i915_gem_vm_ops
= {
153 .fault
= i915_gem_fault
,
154 .open
= drm_gem_vm_open
,
155 .close
= drm_gem_vm_close
,
158 static struct drm_driver driver
= {
159 /* don't use mtrr's here, the Xserver or user space app should
160 * deal with them for intel hardware.
163 DRIVER_USE_AGP
| DRIVER_REQUIRE_AGP
| /* DRIVER_USE_MTRR |*/
164 DRIVER_HAVE_IRQ
| DRIVER_IRQ_SHARED
| DRIVER_GEM
,
165 .load
= i915_driver_load
,
166 .unload
= i915_driver_unload
,
167 .open
= i915_driver_open
,
168 .lastclose
= i915_driver_lastclose
,
169 .preclose
= i915_driver_preclose
,
170 .postclose
= i915_driver_postclose
,
171 .suspend
= i915_suspend
,
172 .resume
= i915_resume
,
173 .device_is_agp
= i915_driver_device_is_agp
,
174 .enable_vblank
= i915_enable_vblank
,
175 .disable_vblank
= i915_disable_vblank
,
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
,
183 .master_create
= i915_master_create
,
184 .master_destroy
= i915_master_destroy
,
185 #if defined(CONFIG_DEBUG_FS)
186 .debugfs_init
= i915_gem_debugfs_init
,
187 .debugfs_cleanup
= i915_gem_debugfs_cleanup
,
189 .gem_init_object
= i915_gem_init_object
,
190 .gem_free_object
= i915_gem_free_object
,
191 .gem_vm_ops
= &i915_gem_vm_ops
,
192 .ioctls
= i915_ioctls
,
194 .owner
= THIS_MODULE
,
196 .release
= drm_release
,
198 .mmap
= drm_gem_mmap
,
200 .fasync
= drm_fasync
,
202 .compat_ioctl
= i915_compat_ioctl
,
208 .id_table
= pciidlist
,
209 .probe
= i915_pci_probe
,
210 .remove
= i915_pci_remove
,
212 .resume
= i915_pci_resume
,
213 .suspend
= i915_pci_suspend
,
220 .major
= DRIVER_MAJOR
,
221 .minor
= DRIVER_MINOR
,
222 .patchlevel
= DRIVER_PATCHLEVEL
,
225 static int __init
i915_init(void)
227 driver
.num_ioctls
= i915_max_ioctl
;
230 * If CONFIG_DRM_I915_KMS is set, default to KMS unless
231 * explicitly disabled with the module pararmeter.
233 * Otherwise, just follow the parameter (defaulting to off).
235 * Allow optional vga_text_mode_force boot option to override
236 * the default behavior.
238 #if defined(CONFIG_DRM_I915_KMS)
239 if (i915_modeset
!= 0)
240 driver
.driver_features
|= DRIVER_MODESET
;
242 if (i915_modeset
== 1)
243 driver
.driver_features
|= DRIVER_MODESET
;
245 #ifdef CONFIG_VGA_CONSOLE
246 if (vgacon_text_force() && i915_modeset
== -1)
247 driver
.driver_features
&= ~DRIVER_MODESET
;
250 return drm_init(&driver
);
253 static void __exit
i915_exit(void)
258 module_init(i915_init
);
259 module_exit(i915_exit
);
261 MODULE_AUTHOR(DRIVER_AUTHOR
);
262 MODULE_DESCRIPTION(DRIVER_DESC
);
263 MODULE_LICENSE("GPL and additional rights");