blob: a0fe6232dcb6fc8b9ab803ce4b5b7111fae435de [file] [log] [blame]
Jerome Glisse771fe6b2009-06-05 14:42:42 +02001/*
2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
5 *
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:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
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.
23 *
24 * Authors: Dave Airlie
25 * Alex Deucher
26 * Jerome Glisse
27 */
28#include "drmP.h"
29#include "radeon_drm.h"
30#include "radeon_reg.h"
Jerome Glisse771fe6b2009-06-05 14:42:42 +020031#include "radeon.h"
32#include "atom.h"
33
Jerome Glisse771fe6b2009-06-05 14:42:42 +020034irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS)
35{
36 struct drm_device *dev = (struct drm_device *) arg;
37 struct radeon_device *rdev = dev->dev_private;
38
39 return radeon_irq_process(rdev);
40}
41
42void radeon_driver_irq_preinstall_kms(struct drm_device *dev)
43{
44 struct radeon_device *rdev = dev->dev_private;
45 unsigned i;
46
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;
51 }
52 radeon_irq_set(rdev);
53 /* Clear bits */
54 radeon_irq_process(rdev);
55}
56
57int radeon_driver_irq_postinstall_kms(struct drm_device *dev)
58{
59 struct radeon_device *rdev = dev->dev_private;
60
61 dev->max_vblank_count = 0x001fffff;
62 rdev->irq.sw_int = true;
63 radeon_irq_set(rdev);
64 return 0;
65}
66
67void radeon_driver_irq_uninstall_kms(struct drm_device *dev)
68{
69 struct radeon_device *rdev = dev->dev_private;
70 unsigned i;
71
72 if (rdev == NULL) {
73 return;
74 }
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;
79 }
80 radeon_irq_set(rdev);
81}
82
83int radeon_irq_kms_init(struct radeon_device *rdev)
84{
85 int r = 0;
Dave Airliedfee5612009-10-02 09:19:09 +100086 int num_crtc = 2;
Jerome Glisse771fe6b2009-06-05 14:42:42 +020087
Dave Airliedfee5612009-10-02 09:19:09 +100088 if (rdev->flags & RADEON_SINGLE_CRTC)
89 num_crtc = 1;
90
91 r = drm_vblank_init(rdev->ddev, num_crtc);
Jerome Glisse771fe6b2009-06-05 14:42:42 +020092 if (r) {
93 return r;
94 }
Alex Deucher3e5cb982009-10-16 12:21:24 -040095 /* enable msi */
96 rdev->msi_enabled = 0;
97 if (rdev->family >= CHIP_RV380) {
98 int ret = pci_enable_msi(rdev->pdev);
99 if (!ret)
100 rdev->msi_enabled = 1;
101 }
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200102 drm_irq_install(rdev->ddev);
103 rdev->irq.installed = true;
104 DRM_INFO("radeon: irq initialized.\n");
105 return 0;
106}
107
108void radeon_irq_kms_fini(struct radeon_device *rdev)
109{
110 if (rdev->irq.installed) {
111 rdev->irq.installed = false;
112 drm_irq_uninstall(rdev->ddev);
Alex Deucher3e5cb982009-10-16 12:21:24 -0400113 if (rdev->msi_enabled)
114 pci_disable_msi(rdev->pdev);
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200115 }
116}