1 /* vim: set ts=8 sw=8 tw=78 ai noexpandtab */
2 /* qxl_drv.c -- QXL driver -*- linux-c -*-
4 * Copyright 2011 Red Hat, Inc.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice (including the next
15 * paragraph) shall be included in all copies or substantial portions of the
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
22 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
23 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
24 * OTHER DEALINGS IN THE SOFTWARE.
27 * Dave Airlie <airlie@redhat.com>
28 * Alon Levy <alevy@redhat.com>
31 #include <linux/module.h>
32 #include <linux/console.h>
36 #include <drm/drm_modeset_helper.h>
37 #include <drm/drm_probe_helper.h>
39 #include "qxl_object.h"
41 static const struct pci_device_id pciidlist[] = {
42 { 0x1b36, 0x100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8,
44 { 0x1b36, 0x100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_OTHER << 8,
48 MODULE_DEVICE_TABLE(pci, pciidlist);
50 static int qxl_modeset = -1;
53 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
54 module_param_named(modeset, qxl_modeset, int, 0400);
56 MODULE_PARM_DESC(num_heads, "Number of virtual crtcs to expose (default 4)");
57 module_param_named(num_heads, qxl_num_crtc, int, 0400);
59 static struct drm_driver qxl_driver;
60 static struct pci_driver qxl_pci_driver;
63 qxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
65 struct qxl_device *qdev;
68 if (pdev->revision < 4) {
69 DRM_ERROR("qxl too old, doesn't support client_monitors_config,"
70 " use xf86-video-qxl in user mode");
71 return -EINVAL; /* TODO: ENODEV ? */
74 qdev = kzalloc(sizeof(struct qxl_device), GFP_KERNEL);
78 ret = pci_enable_device(pdev);
82 ret = qxl_device_init(qdev, &qxl_driver, pdev);
86 ret = qxl_modeset_init(qdev);
90 drm_kms_helper_poll_init(&qdev->ddev);
92 /* Complete initialization. */
93 ret = drm_dev_register(&qdev->ddev, ent->driver_data);
97 drm_fb_helper_remove_conflicting_pci_framebuffers(pdev, 0, "qxl");
98 drm_fbdev_generic_setup(&qdev->ddev, 32);
102 qxl_modeset_fini(qdev);
104 qxl_device_fini(qdev);
106 pci_disable_device(pdev);
113 qxl_pci_remove(struct pci_dev *pdev)
115 struct drm_device *dev = pci_get_drvdata(pdev);
116 struct qxl_device *qdev = dev->dev_private;
118 drm_dev_unregister(dev);
120 qxl_modeset_fini(qdev);
121 qxl_device_fini(qdev);
123 dev->dev_private = NULL;
128 static const struct file_operations qxl_fops = {
129 .owner = THIS_MODULE,
131 .release = drm_release,
132 .unlocked_ioctl = drm_ioctl,
138 static int qxl_drm_freeze(struct drm_device *dev)
140 struct pci_dev *pdev = dev->pdev;
141 struct qxl_device *qdev = dev->dev_private;
144 ret = drm_mode_config_helper_suspend(dev);
148 qxl_destroy_monitors_object(qdev);
149 qxl_surf_evict(qdev);
150 qxl_vram_evict(qdev);
152 while (!qxl_check_idle(qdev->command_ring));
153 while (!qxl_check_idle(qdev->release_ring))
154 qxl_queue_garbage_collect(qdev, 1);
156 pci_save_state(pdev);
161 static int qxl_drm_resume(struct drm_device *dev, bool thaw)
163 struct qxl_device *qdev = dev->dev_private;
165 qdev->ram_header->int_mask = QXL_INTERRUPT_MASK;
167 qxl_reinit_memslots(qdev);
168 qxl_ring_init_hdr(qdev->release_ring);
171 qxl_create_monitors_object(qdev);
172 return drm_mode_config_helper_resume(dev);
175 static int qxl_pm_suspend(struct device *dev)
177 struct pci_dev *pdev = to_pci_dev(dev);
178 struct drm_device *drm_dev = pci_get_drvdata(pdev);
181 error = qxl_drm_freeze(drm_dev);
185 pci_disable_device(pdev);
186 pci_set_power_state(pdev, PCI_D3hot);
190 static int qxl_pm_resume(struct device *dev)
192 struct pci_dev *pdev = to_pci_dev(dev);
193 struct drm_device *drm_dev = pci_get_drvdata(pdev);
195 pci_set_power_state(pdev, PCI_D0);
196 pci_restore_state(pdev);
197 if (pci_enable_device(pdev)) {
201 return qxl_drm_resume(drm_dev, false);
204 static int qxl_pm_thaw(struct device *dev)
206 struct pci_dev *pdev = to_pci_dev(dev);
207 struct drm_device *drm_dev = pci_get_drvdata(pdev);
209 return qxl_drm_resume(drm_dev, true);
212 static int qxl_pm_freeze(struct device *dev)
214 struct pci_dev *pdev = to_pci_dev(dev);
215 struct drm_device *drm_dev = pci_get_drvdata(pdev);
217 return qxl_drm_freeze(drm_dev);
220 static int qxl_pm_restore(struct device *dev)
222 struct pci_dev *pdev = to_pci_dev(dev);
223 struct drm_device *drm_dev = pci_get_drvdata(pdev);
224 struct qxl_device *qdev = drm_dev->dev_private;
227 return qxl_drm_resume(drm_dev, false);
230 static const struct dev_pm_ops qxl_pm_ops = {
231 .suspend = qxl_pm_suspend,
232 .resume = qxl_pm_resume,
233 .freeze = qxl_pm_freeze,
235 .poweroff = qxl_pm_freeze,
236 .restore = qxl_pm_restore,
238 static struct pci_driver qxl_pci_driver = {
240 .id_table = pciidlist,
241 .probe = qxl_pci_probe,
242 .remove = qxl_pci_remove,
243 .driver.pm = &qxl_pm_ops,
246 static struct drm_driver qxl_driver = {
247 .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME |
250 .dumb_create = qxl_mode_dumb_create,
251 .dumb_map_offset = qxl_mode_dumb_mmap,
252 #if defined(CONFIG_DEBUG_FS)
253 .debugfs_init = qxl_debugfs_init,
255 .gem_prime_export = drm_gem_prime_export,
256 .gem_prime_import = drm_gem_prime_import,
257 .gem_prime_pin = qxl_gem_prime_pin,
258 .gem_prime_unpin = qxl_gem_prime_unpin,
259 .gem_prime_vmap = qxl_gem_prime_vmap,
260 .gem_prime_vunmap = qxl_gem_prime_vunmap,
261 .gem_prime_mmap = qxl_gem_prime_mmap,
262 .gem_free_object_unlocked = qxl_gem_object_free,
263 .gem_open_object = qxl_gem_object_open,
264 .gem_close_object = qxl_gem_object_close,
266 .ioctls = qxl_ioctls,
267 .irq_handler = qxl_irq_handler,
276 static int __init qxl_init(void)
278 if (vgacon_text_force() && qxl_modeset == -1)
281 if (qxl_modeset == 0)
283 qxl_driver.num_ioctls = qxl_max_ioctls;
284 return pci_register_driver(&qxl_pci_driver);
287 static void __exit qxl_exit(void)
289 pci_unregister_driver(&qxl_pci_driver);
292 module_init(qxl_init);
293 module_exit(qxl_exit);
295 MODULE_AUTHOR(DRIVER_AUTHOR);
296 MODULE_DESCRIPTION(DRIVER_DESC);
297 MODULE_LICENSE("GPL and additional rights");