Commit | Line | Data |
---|---|---|
1c248b7d ID |
1 | /* exynos_drm_crtc.c |
2 | * | |
3 | * Copyright (c) 2011 Samsung Electronics Co., Ltd. | |
4 | * Authors: | |
5 | * Inki Dae <inki.dae@samsung.com> | |
6 | * Joonyoung Shim <jy0922.shim@samsung.com> | |
7 | * Seung-Woo Kim <sw0312.kim@samsung.com> | |
8 | * | |
d81aecb5 ID |
9 | * This program is free software; you can redistribute it and/or modify it |
10 | * under the terms of the GNU General Public License as published by the | |
11 | * Free Software Foundation; either version 2 of the License, or (at your | |
12 | * option) any later version. | |
1c248b7d ID |
13 | */ |
14 | ||
760285e7 DH |
15 | #include <drm/drmP.h> |
16 | #include <drm/drm_crtc_helper.h> | |
4ea9526b GP |
17 | #include <drm/drm_atomic.h> |
18 | #include <drm/drm_atomic_helper.h> | |
1c248b7d | 19 | |
e30655d0 | 20 | #include "exynos_drm_crtc.h" |
1c248b7d | 21 | #include "exynos_drm_drv.h" |
b5d2eb3b | 22 | #include "exynos_drm_plane.h" |
1c248b7d | 23 | |
63498e30 | 24 | static void exynos_drm_crtc_enable(struct drm_crtc *crtc) |
1c248b7d | 25 | { |
d2716c89 | 26 | struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); |
1c248b7d | 27 | |
3cecda03 GP |
28 | if (exynos_crtc->ops->enable) |
29 | exynos_crtc->ops->enable(exynos_crtc); | |
080be03d | 30 | |
63498e30 | 31 | drm_crtc_vblank_on(crtc); |
1c248b7d ID |
32 | } |
33 | ||
3fc4867c GP |
34 | static void exynos_drm_crtc_disable(struct drm_crtc *crtc) |
35 | { | |
63498e30 | 36 | struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); |
3fc4867c | 37 | |
63498e30 GP |
38 | drm_crtc_vblank_off(crtc); |
39 | ||
3cecda03 GP |
40 | if (exynos_crtc->ops->disable) |
41 | exynos_crtc->ops->disable(exynos_crtc); | |
3fc4867c GP |
42 | } |
43 | ||
199329cb GP |
44 | static void |
45 | exynos_drm_crtc_mode_set_nofb(struct drm_crtc *crtc) | |
1c248b7d | 46 | { |
4070d212 | 47 | struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); |
32aeab17 | 48 | |
199329cb GP |
49 | if (exynos_crtc->ops->commit) |
50 | exynos_crtc->ops->commit(exynos_crtc); | |
1c248b7d ID |
51 | } |
52 | ||
5625b341 AH |
53 | static int exynos_crtc_atomic_check(struct drm_crtc *crtc, |
54 | struct drm_crtc_state *state) | |
55 | { | |
56 | struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); | |
57 | ||
c4e07407 AH |
58 | if (!state->enable) |
59 | return 0; | |
60 | ||
5625b341 AH |
61 | if (exynos_crtc->ops->atomic_check) |
62 | return exynos_crtc->ops->atomic_check(exynos_crtc, state); | |
63 | ||
64 | return 0; | |
65 | } | |
66 | ||
613d2b27 ML |
67 | static void exynos_crtc_atomic_begin(struct drm_crtc *crtc, |
68 | struct drm_crtc_state *old_crtc_state) | |
9d5ab6a0 GP |
69 | { |
70 | struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); | |
71 | ||
d29c2c14 MS |
72 | if (exynos_crtc->ops->atomic_begin) |
73 | exynos_crtc->ops->atomic_begin(exynos_crtc); | |
9d5ab6a0 GP |
74 | } |
75 | ||
613d2b27 ML |
76 | static void exynos_crtc_atomic_flush(struct drm_crtc *crtc, |
77 | struct drm_crtc_state *old_crtc_state) | |
9d5ab6a0 | 78 | { |
d9220d47 | 79 | struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); |
9276dff7 AH |
80 | struct drm_pending_vblank_event *event; |
81 | unsigned long flags; | |
d9220d47 | 82 | |
d29c2c14 MS |
83 | if (exynos_crtc->ops->atomic_flush) |
84 | exynos_crtc->ops->atomic_flush(exynos_crtc); | |
9276dff7 AH |
85 | |
86 | event = crtc->state->event; | |
87 | if (event) { | |
88 | crtc->state->event = NULL; | |
89 | ||
90 | spin_lock_irqsave(&crtc->dev->event_lock, flags); | |
91 | if (drm_crtc_vblank_get(crtc) == 0) | |
92 | drm_crtc_arm_vblank_event(crtc, event); | |
93 | else | |
94 | drm_crtc_send_vblank_event(crtc, event); | |
95 | spin_unlock_irqrestore(&crtc->dev->event_lock, flags); | |
96 | } | |
97 | ||
9d5ab6a0 GP |
98 | } |
99 | ||
800ba2b5 | 100 | static const struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = { |
63498e30 | 101 | .enable = exynos_drm_crtc_enable, |
3fc4867c | 102 | .disable = exynos_drm_crtc_disable, |
199329cb | 103 | .mode_set_nofb = exynos_drm_crtc_mode_set_nofb, |
5625b341 | 104 | .atomic_check = exynos_crtc_atomic_check, |
9d5ab6a0 GP |
105 | .atomic_begin = exynos_crtc_atomic_begin, |
106 | .atomic_flush = exynos_crtc_atomic_flush, | |
1c248b7d ID |
107 | }; |
108 | ||
1c248b7d ID |
109 | static void exynos_drm_crtc_destroy(struct drm_crtc *crtc) |
110 | { | |
111 | struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); | |
112 | struct exynos_drm_private *private = crtc->dev->dev_private; | |
113 | ||
1c248b7d ID |
114 | private->crtc[exynos_crtc->pipe] = NULL; |
115 | ||
116 | drm_crtc_cleanup(crtc); | |
117 | kfree(exynos_crtc); | |
118 | } | |
119 | ||
800ba2b5 | 120 | static const struct drm_crtc_funcs exynos_crtc_funcs = { |
47a7deff | 121 | .set_config = drm_atomic_helper_set_config, |
9d5ab6a0 | 122 | .page_flip = drm_atomic_helper_page_flip, |
1c248b7d | 123 | .destroy = exynos_drm_crtc_destroy, |
4ea9526b GP |
124 | .reset = drm_atomic_helper_crtc_reset, |
125 | .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state, | |
126 | .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state, | |
1c248b7d ID |
127 | }; |
128 | ||
93bca243 | 129 | struct exynos_drm_crtc *exynos_drm_crtc_create(struct drm_device *drm_dev, |
f3aaf762 KK |
130 | struct drm_plane *plane, |
131 | int pipe, | |
132 | enum exynos_drm_output_type type, | |
133 | const struct exynos_drm_crtc_ops *ops, | |
134 | void *ctx) | |
1c248b7d ID |
135 | { |
136 | struct exynos_drm_crtc *exynos_crtc; | |
eb88e422 | 137 | struct exynos_drm_private *private = drm_dev->dev_private; |
1c248b7d | 138 | struct drm_crtc *crtc; |
72ed6ccd | 139 | int ret; |
1c248b7d | 140 | |
1c248b7d | 141 | exynos_crtc = kzalloc(sizeof(*exynos_crtc), GFP_KERNEL); |
38bb5253 | 142 | if (!exynos_crtc) |
93bca243 | 143 | return ERR_PTR(-ENOMEM); |
1c248b7d | 144 | |
e09f2b0d | 145 | exynos_crtc->pipe = pipe; |
5d1741ad | 146 | exynos_crtc->type = type; |
93bca243 GP |
147 | exynos_crtc->ops = ops; |
148 | exynos_crtc->ctx = ctx; | |
b5d2eb3b | 149 | |
357193cd | 150 | crtc = &exynos_crtc->base; |
1c248b7d | 151 | |
e09f2b0d | 152 | private->crtc[pipe] = crtc; |
1c248b7d | 153 | |
eb88e422 | 154 | ret = drm_crtc_init_with_planes(drm_dev, crtc, plane, NULL, |
f9882876 | 155 | &exynos_crtc_funcs, NULL); |
72ed6ccd AH |
156 | if (ret < 0) |
157 | goto err_crtc; | |
158 | ||
1c248b7d ID |
159 | drm_crtc_helper_add(crtc, &exynos_crtc_helper_funcs); |
160 | ||
93bca243 | 161 | return exynos_crtc; |
72ed6ccd AH |
162 | |
163 | err_crtc: | |
164 | plane->funcs->destroy(plane); | |
72ed6ccd | 165 | kfree(exynos_crtc); |
93bca243 | 166 | return ERR_PTR(ret); |
1c248b7d ID |
167 | } |
168 | ||
88e72717 | 169 | int exynos_drm_crtc_enable_vblank(struct drm_device *dev, unsigned int pipe) |
1c248b7d | 170 | { |
27019328 AH |
171 | struct exynos_drm_crtc *exynos_crtc = exynos_drm_crtc_from_pipe(dev, |
172 | pipe); | |
1c248b7d | 173 | |
93bca243 | 174 | if (exynos_crtc->ops->enable_vblank) |
08dd2009 | 175 | return exynos_crtc->ops->enable_vblank(exynos_crtc); |
1c248b7d ID |
176 | |
177 | return 0; | |
178 | } | |
179 | ||
88e72717 | 180 | void exynos_drm_crtc_disable_vblank(struct drm_device *dev, unsigned int pipe) |
1c248b7d | 181 | { |
27019328 AH |
182 | struct exynos_drm_crtc *exynos_crtc = exynos_drm_crtc_from_pipe(dev, |
183 | pipe); | |
1c248b7d | 184 | |
93bca243 GP |
185 | if (exynos_crtc->ops->disable_vblank) |
186 | exynos_crtc->ops->disable_vblank(exynos_crtc); | |
1c248b7d | 187 | } |
663d8766 | 188 | |
f37cd5e8 | 189 | int exynos_drm_crtc_get_pipe_from_type(struct drm_device *drm_dev, |
cf67cc9a | 190 | enum exynos_drm_output_type out_type) |
f37cd5e8 ID |
191 | { |
192 | struct drm_crtc *crtc; | |
193 | ||
194 | list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) { | |
195 | struct exynos_drm_crtc *exynos_crtc; | |
196 | ||
197 | exynos_crtc = to_exynos_crtc(crtc); | |
5d1741ad | 198 | if (exynos_crtc->type == out_type) |
8a326edd | 199 | return exynos_crtc->pipe; |
f37cd5e8 ID |
200 | } |
201 | ||
202 | return -EPERM; | |
203 | } | |
5595d4d8 YC |
204 | |
205 | void exynos_drm_crtc_te_handler(struct drm_crtc *crtc) | |
206 | { | |
93bca243 | 207 | struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); |
5595d4d8 | 208 | |
93bca243 GP |
209 | if (exynos_crtc->ops->te_handler) |
210 | exynos_crtc->ops->te_handler(exynos_crtc); | |
5595d4d8 | 211 | } |
c74d8eb5 ID |
212 | |
213 | void exynos_drm_crtc_cancel_page_flip(struct drm_crtc *crtc, | |
214 | struct drm_file *file) | |
215 | { | |
c74d8eb5 ID |
216 | struct drm_pending_vblank_event *e; |
217 | unsigned long flags; | |
218 | ||
219 | spin_lock_irqsave(&crtc->dev->event_lock, flags); | |
fc173ae6 | 220 | |
9276dff7 | 221 | e = crtc->state->event; |
14e022f3 | 222 | if (e && e->base.file_priv == file) |
9276dff7 AH |
223 | crtc->state->event = NULL; |
224 | else | |
225 | e = NULL; | |
fc173ae6 | 226 | |
c74d8eb5 | 227 | spin_unlock_irqrestore(&crtc->dev->event_lock, flags); |
fc173ae6 | 228 | |
9276dff7 | 229 | if (e) |
fc173ae6 | 230 | drm_event_cancel_free(crtc->dev, &e->base); |
c74d8eb5 | 231 | } |