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 pci_device_id pciidlist
[] = {
49 #if defined(CONFIG_DRM_I915_KMS)
50 MODULE_DEVICE_TABLE(pci
, pciidlist
);
53 static int i915_suspend(struct drm_device
*dev
, pm_message_t state
)
55 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
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");
63 if (state
.event
== PM_EVENT_PRETHAW
)
66 pci_save_state(dev
->pdev
);
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
);
78 intel_opregion_free(dev
);
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
);
89 static int i915_resume(struct drm_device
*dev
)
91 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
94 pci_set_power_state(dev
->pdev
, PCI_D0
);
95 pci_restore_state(dev
->pdev
);
96 if (pci_enable_device(dev
->pdev
))
98 pci_set_master(dev
->pdev
);
100 i915_restore_state(dev
);
102 intel_opregion_init(dev
);
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;
109 ret
= i915_gem_init_ringbuffer(dev
);
112 mutex_unlock(&dev
->struct_mutex
);
114 drm_irq_install(dev
);
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
,
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.
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
,
160 .owner
= THIS_MODULE
,
162 .release
= drm_release
,
164 .mmap
= drm_gem_mmap
,
166 .fasync
= drm_fasync
,
168 .compat_ioctl
= i915_compat_ioctl
,
174 .id_table
= pciidlist
,
180 .major
= DRIVER_MAJOR
,
181 .minor
= DRIVER_MINOR
,
182 .patchlevel
= DRIVER_PATCHLEVEL
,
185 static int __init
i915_init(void)
187 driver
.num_ioctls
= i915_max_ioctl
;
190 * If CONFIG_DRM_I915_KMS is set, default to KMS unless
191 * explicitly disabled with the module pararmeter.
193 * Otherwise, just follow the parameter (defaulting to off).
195 * Allow optional vga_text_mode_force boot option to override
196 * the default behavior.
198 #if defined(CONFIG_DRM_I915_KMS)
199 if (i915_modeset
!= 0)
200 driver
.driver_features
|= DRIVER_MODESET
;
202 if (i915_modeset
== 1)
203 driver
.driver_features
|= DRIVER_MODESET
;
205 #ifdef CONFIG_VGA_CONSOLE
206 if (vgacon_text_force() && i915_modeset
== -1)
207 driver
.driver_features
&= ~DRIVER_MODESET
;
210 return drm_init(&driver
);
213 static void __exit
i915_exit(void)
218 module_init(i915_init
);
219 module_exit(i915_exit
);
221 MODULE_AUTHOR(DRIVER_AUTHOR
);
222 MODULE_DESCRIPTION(DRIVER_DESC
);
223 MODULE_LICENSE("GPL and additional rights");