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;
62 static bool is_vga(struct pci_dev *pdev)
64 return pdev->class == PCI_CLASS_DISPLAY_VGA << 8;
68 qxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
70 struct qxl_device *qdev;
73 if (pdev->revision < 4) {
74 DRM_ERROR("qxl too old, doesn't support client_monitors_config,"
75 " use xf86-video-qxl in user mode");
76 return -EINVAL; /* TODO: ENODEV ? */
79 qdev = kzalloc(sizeof(struct qxl_device), GFP_KERNEL);
83 ret = pci_enable_device(pdev);
87 ret = drm_fb_helper_remove_conflicting_pci_framebuffers(pdev, 0, "qxl");
92 ret = vga_get_interruptible(pdev, VGA_RSRC_LEGACY_IO);
94 DRM_ERROR("can't get legacy vga ioports\n");
99 ret = qxl_device_init(qdev, &qxl_driver, pdev);
103 ret = qxl_modeset_init(qdev);
107 drm_kms_helper_poll_init(&qdev->ddev);
109 /* Complete initialization. */
110 ret = drm_dev_register(&qdev->ddev, ent->driver_data);
112 goto modeset_cleanup;
114 drm_fbdev_generic_setup(&qdev->ddev, 32);
118 qxl_modeset_fini(qdev);
120 qxl_device_fini(qdev);
123 vga_put(pdev, VGA_RSRC_LEGACY_IO);
125 pci_disable_device(pdev);
132 qxl_pci_remove(struct pci_dev *pdev)
134 struct drm_device *dev = pci_get_drvdata(pdev);
135 struct qxl_device *qdev = dev->dev_private;
137 drm_dev_unregister(dev);
139 qxl_modeset_fini(qdev);
140 qxl_device_fini(qdev);
142 vga_put(pdev, VGA_RSRC_LEGACY_IO);
144 dev->dev_private = NULL;
149 static const struct file_operations qxl_fops = {
150 .owner = THIS_MODULE,
152 .release = drm_release,
153 .unlocked_ioctl = drm_ioctl,
159 static int qxl_drm_freeze(struct drm_device *dev)
161 struct pci_dev *pdev = dev->pdev;
162 struct qxl_device *qdev = dev->dev_private;
165 ret = drm_mode_config_helper_suspend(dev);
169 qxl_destroy_monitors_object(qdev);
170 qxl_surf_evict(qdev);
171 qxl_vram_evict(qdev);
173 while (!qxl_check_idle(qdev->command_ring));
174 while (!qxl_check_idle(qdev->release_ring))
175 qxl_queue_garbage_collect(qdev, 1);
177 pci_save_state(pdev);
182 static int qxl_drm_resume(struct drm_device *dev, bool thaw)
184 struct qxl_device *qdev = dev->dev_private;
186 qdev->ram_header->int_mask = QXL_INTERRUPT_MASK;
188 qxl_reinit_memslots(qdev);
189 qxl_ring_init_hdr(qdev->release_ring);
192 qxl_create_monitors_object(qdev);
193 return drm_mode_config_helper_resume(dev);
196 static int qxl_pm_suspend(struct device *dev)
198 struct pci_dev *pdev = to_pci_dev(dev);
199 struct drm_device *drm_dev = pci_get_drvdata(pdev);
202 error = qxl_drm_freeze(drm_dev);
206 pci_disable_device(pdev);
207 pci_set_power_state(pdev, PCI_D3hot);
211 static int qxl_pm_resume(struct device *dev)
213 struct pci_dev *pdev = to_pci_dev(dev);
214 struct drm_device *drm_dev = pci_get_drvdata(pdev);
216 pci_set_power_state(pdev, PCI_D0);
217 pci_restore_state(pdev);
218 if (pci_enable_device(pdev)) {
222 return qxl_drm_resume(drm_dev, false);
225 static int qxl_pm_thaw(struct device *dev)
227 struct pci_dev *pdev = to_pci_dev(dev);
228 struct drm_device *drm_dev = pci_get_drvdata(pdev);
230 return qxl_drm_resume(drm_dev, true);
233 static int qxl_pm_freeze(struct device *dev)
235 struct pci_dev *pdev = to_pci_dev(dev);
236 struct drm_device *drm_dev = pci_get_drvdata(pdev);
238 return qxl_drm_freeze(drm_dev);
241 static int qxl_pm_restore(struct device *dev)
243 struct pci_dev *pdev = to_pci_dev(dev);
244 struct drm_device *drm_dev = pci_get_drvdata(pdev);
245 struct qxl_device *qdev = drm_dev->dev_private;
248 return qxl_drm_resume(drm_dev, false);
251 static const struct dev_pm_ops qxl_pm_ops = {
252 .suspend = qxl_pm_suspend,
253 .resume = qxl_pm_resume,
254 .freeze = qxl_pm_freeze,
256 .poweroff = qxl_pm_freeze,
257 .restore = qxl_pm_restore,
259 static struct pci_driver qxl_pci_driver = {
261 .id_table = pciidlist,
262 .probe = qxl_pci_probe,
263 .remove = qxl_pci_remove,
264 .driver.pm = &qxl_pm_ops,
267 static struct drm_driver qxl_driver = {
268 .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME |
271 .dumb_create = qxl_mode_dumb_create,
272 .dumb_map_offset = qxl_mode_dumb_mmap,
273 #if defined(CONFIG_DEBUG_FS)
274 .debugfs_init = qxl_debugfs_init,
276 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
277 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
278 .gem_prime_export = drm_gem_prime_export,
279 .gem_prime_import = drm_gem_prime_import,
280 .gem_prime_pin = qxl_gem_prime_pin,
281 .gem_prime_unpin = qxl_gem_prime_unpin,
282 .gem_prime_get_sg_table = qxl_gem_prime_get_sg_table,
283 .gem_prime_import_sg_table = qxl_gem_prime_import_sg_table,
284 .gem_prime_vmap = qxl_gem_prime_vmap,
285 .gem_prime_vunmap = qxl_gem_prime_vunmap,
286 .gem_prime_mmap = qxl_gem_prime_mmap,
287 .gem_free_object_unlocked = qxl_gem_object_free,
288 .gem_open_object = qxl_gem_object_open,
289 .gem_close_object = qxl_gem_object_close,
291 .ioctls = qxl_ioctls,
292 .irq_handler = qxl_irq_handler,
301 static int __init qxl_init(void)
303 if (vgacon_text_force() && qxl_modeset == -1)
306 if (qxl_modeset == 0)
308 qxl_driver.num_ioctls = qxl_max_ioctls;
309 return pci_register_driver(&qxl_pci_driver);
312 static void __exit qxl_exit(void)
314 pci_unregister_driver(&qxl_pci_driver);
317 module_init(qxl_init);
318 module_exit(qxl_exit);
320 MODULE_AUTHOR(DRIVER_AUTHOR);
321 MODULE_DESCRIPTION(DRIVER_DESC);
322 MODULE_LICENSE("GPL and additional rights");