2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
24 * Authors: Dave Airlie
29 #include "radeon_drm.h"
30 #include "radeon_reg.h"
34 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS)
36 struct drm_device *dev = (struct drm_device *) arg;
37 struct radeon_device *rdev = dev->dev_private;
39 return radeon_irq_process(rdev);
42 void radeon_driver_irq_preinstall_kms(struct drm_device *dev)
44 struct radeon_device *rdev = dev->dev_private;
47 /* Disable *all* interrupts */
48 rdev->irq.sw_int = false;
49 for (i = 0; i < 2; i++) {
50 rdev->irq.crtc_vblank_int[i] = false;
54 radeon_irq_process(rdev);
57 int radeon_driver_irq_postinstall_kms(struct drm_device *dev)
59 struct radeon_device *rdev = dev->dev_private;
61 dev->max_vblank_count = 0x001fffff;
62 rdev->irq.sw_int = true;
67 void radeon_driver_irq_uninstall_kms(struct drm_device *dev)
69 struct radeon_device *rdev = dev->dev_private;
75 /* Disable *all* interrupts */
76 rdev->irq.sw_int = false;
77 for (i = 0; i < 2; i++) {
78 rdev->irq.crtc_vblank_int[i] = false;
83 int radeon_irq_kms_init(struct radeon_device *rdev)
87 r = drm_vblank_init(rdev->ddev, 2);
91 drm_irq_install(rdev->ddev);
92 rdev->irq.installed = true;
93 DRM_INFO("radeon: irq initialized.\n");
97 void radeon_irq_kms_fini(struct radeon_device *rdev)
99 if (rdev->irq.installed) {
100 rdev->irq.installed = false;
101 drm_irq_uninstall(rdev->ddev);