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_crtc_helper.h>
38 #include "qxl_object.h"
40 static const struct pci_device_id pciidlist[] = {
41 { 0x1b36, 0x100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8,
43 { 0x1b36, 0x100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_OTHER << 8,
47 MODULE_DEVICE_TABLE(pci, pciidlist);
49 static int qxl_modeset = -1;
52 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
53 module_param_named(modeset, qxl_modeset, int, 0400);
55 MODULE_PARM_DESC(num_heads, "Number of virtual crtcs to expose (default 4)");
56 module_param_named(num_heads, qxl_num_crtc, int, 0400);
58 static struct drm_driver qxl_driver;
59 static struct pci_driver qxl_pci_driver;
62 qxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
64 struct qxl_device *qdev;
67 if (pdev->revision < 4) {
68 DRM_ERROR("qxl too old, doesn't support client_monitors_config,"
69 " use xf86-video-qxl in user mode");
70 return -EINVAL; /* TODO: ENODEV ? */
73 qdev = kzalloc(sizeof(struct qxl_device), GFP_KERNEL);
77 ret = pci_enable_device(pdev);
81 ret = qxl_device_init(qdev, &qxl_driver, pdev);
85 ret = qxl_modeset_init(qdev);
89 drm_kms_helper_poll_init(&qdev->ddev);
91 /* Complete initialization. */
92 ret = drm_dev_register(&qdev->ddev, ent->driver_data);
99 qxl_modeset_fini(qdev);
101 qxl_device_fini(qdev);
103 pci_disable_device(pdev);
110 qxl_pci_remove(struct pci_dev *pdev)
112 struct drm_device *dev = pci_get_drvdata(pdev);
113 struct qxl_device *qdev = dev->dev_private;
115 drm_dev_unregister(dev);
117 qxl_modeset_fini(qdev);
118 qxl_device_fini(qdev);
120 dev->dev_private = NULL;
125 static const struct file_operations qxl_fops = {
126 .owner = THIS_MODULE,
128 .release = drm_release,
129 .unlocked_ioctl = drm_ioctl,
135 static int qxl_drm_freeze(struct drm_device *dev)
137 struct pci_dev *pdev = dev->pdev;
138 struct qxl_device *qdev = dev->dev_private;
141 ret = drm_mode_config_helper_suspend(dev);
145 qxl_destroy_monitors_object(qdev);
146 qxl_surf_evict(qdev);
147 qxl_vram_evict(qdev);
149 while (!qxl_check_idle(qdev->command_ring));
150 while (!qxl_check_idle(qdev->release_ring))
151 qxl_queue_garbage_collect(qdev, 1);
153 pci_save_state(pdev);
158 static int qxl_drm_resume(struct drm_device *dev, bool thaw)
160 struct qxl_device *qdev = dev->dev_private;
162 qdev->ram_header->int_mask = QXL_INTERRUPT_MASK;
164 qxl_reinit_memslots(qdev);
165 qxl_ring_init_hdr(qdev->release_ring);
168 qxl_create_monitors_object(qdev);
169 return drm_mode_config_helper_resume(dev);
172 static int qxl_pm_suspend(struct device *dev)
174 struct pci_dev *pdev = to_pci_dev(dev);
175 struct drm_device *drm_dev = pci_get_drvdata(pdev);
178 error = qxl_drm_freeze(drm_dev);
182 pci_disable_device(pdev);
183 pci_set_power_state(pdev, PCI_D3hot);
187 static int qxl_pm_resume(struct device *dev)
189 struct pci_dev *pdev = to_pci_dev(dev);
190 struct drm_device *drm_dev = pci_get_drvdata(pdev);
192 pci_set_power_state(pdev, PCI_D0);
193 pci_restore_state(pdev);
194 if (pci_enable_device(pdev)) {
198 return qxl_drm_resume(drm_dev, false);
201 static int qxl_pm_thaw(struct device *dev)
203 struct pci_dev *pdev = to_pci_dev(dev);
204 struct drm_device *drm_dev = pci_get_drvdata(pdev);
206 return qxl_drm_resume(drm_dev, true);
209 static int qxl_pm_freeze(struct device *dev)
211 struct pci_dev *pdev = to_pci_dev(dev);
212 struct drm_device *drm_dev = pci_get_drvdata(pdev);
214 return qxl_drm_freeze(drm_dev);
217 static int qxl_pm_restore(struct device *dev)
219 struct pci_dev *pdev = to_pci_dev(dev);
220 struct drm_device *drm_dev = pci_get_drvdata(pdev);
221 struct qxl_device *qdev = drm_dev->dev_private;
224 return qxl_drm_resume(drm_dev, false);
227 static const struct dev_pm_ops qxl_pm_ops = {
228 .suspend = qxl_pm_suspend,
229 .resume = qxl_pm_resume,
230 .freeze = qxl_pm_freeze,
232 .poweroff = qxl_pm_freeze,
233 .restore = qxl_pm_restore,
235 static struct pci_driver qxl_pci_driver = {
237 .id_table = pciidlist,
238 .probe = qxl_pci_probe,
239 .remove = qxl_pci_remove,
240 .driver.pm = &qxl_pm_ops,
243 static struct drm_driver qxl_driver = {
244 .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME |
245 DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED |
248 .dumb_create = qxl_mode_dumb_create,
249 .dumb_map_offset = qxl_mode_dumb_mmap,
250 #if defined(CONFIG_DEBUG_FS)
251 .debugfs_init = qxl_debugfs_init,
253 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
254 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
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_get_sg_table = qxl_gem_prime_get_sg_table,
260 .gem_prime_import_sg_table = qxl_gem_prime_import_sg_table,
261 .gem_prime_vmap = qxl_gem_prime_vmap,
262 .gem_prime_vunmap = qxl_gem_prime_vunmap,
263 .gem_prime_mmap = qxl_gem_prime_mmap,
264 .gem_free_object_unlocked = qxl_gem_object_free,
265 .gem_open_object = qxl_gem_object_open,
266 .gem_close_object = qxl_gem_object_close,
268 .ioctls = qxl_ioctls,
269 .irq_handler = qxl_irq_handler,
278 static int __init qxl_init(void)
280 if (vgacon_text_force() && qxl_modeset == -1)
283 if (qxl_modeset == 0)
285 qxl_driver.num_ioctls = qxl_max_ioctls;
286 return pci_register_driver(&qxl_pci_driver);
289 static void __exit qxl_exit(void)
291 pci_unregister_driver(&qxl_pci_driver);
294 module_init(qxl_init);
295 module_exit(qxl_exit);
297 MODULE_AUTHOR(DRIVER_AUTHOR);
298 MODULE_DESCRIPTION(DRIVER_DESC);
299 MODULE_LICENSE("GPL and additional rights");