This source file includes following definitions.
- omap_plane_prepare_fb
- omap_plane_cleanup_fb
- omap_plane_atomic_update
- omap_plane_atomic_disable
- omap_plane_atomic_check
- omap_plane_destroy
- omap_plane_install_properties
- omap_plane_reset
- omap_plane_atomic_set_property
- omap_plane_atomic_get_property
- omap_plane_init
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6
7 #include <drm/drm_atomic.h>
8 #include <drm/drm_atomic_helper.h>
9 #include <drm/drm_plane_helper.h>
10
11 #include "omap_dmm_tiler.h"
12 #include "omap_drv.h"
13
14
15
16
17
18 #define to_omap_plane(x) container_of(x, struct omap_plane, base)
19
20 struct omap_plane {
21 struct drm_plane base;
22 enum omap_plane_id id;
23 const char *name;
24 };
25
26 static int omap_plane_prepare_fb(struct drm_plane *plane,
27 struct drm_plane_state *new_state)
28 {
29 if (!new_state->fb)
30 return 0;
31
32 return omap_framebuffer_pin(new_state->fb);
33 }
34
35 static void omap_plane_cleanup_fb(struct drm_plane *plane,
36 struct drm_plane_state *old_state)
37 {
38 if (old_state->fb)
39 omap_framebuffer_unpin(old_state->fb);
40 }
41
42 static void omap_plane_atomic_update(struct drm_plane *plane,
43 struct drm_plane_state *old_state)
44 {
45 struct omap_drm_private *priv = plane->dev->dev_private;
46 struct omap_plane *omap_plane = to_omap_plane(plane);
47 struct drm_plane_state *state = plane->state;
48 struct omap_overlay_info info;
49 int ret;
50
51 DBG("%s, crtc=%p fb=%p", omap_plane->name, state->crtc, state->fb);
52
53 memset(&info, 0, sizeof(info));
54 info.rotation_type = OMAP_DSS_ROT_NONE;
55 info.rotation = DRM_MODE_ROTATE_0;
56 info.global_alpha = state->alpha >> 8;
57 info.zorder = state->normalized_zpos;
58 if (state->pixel_blend_mode == DRM_MODE_BLEND_PREMULTI)
59 info.pre_mult_alpha = 1;
60 else
61 info.pre_mult_alpha = 0;
62
63
64 omap_framebuffer_update_scanout(state->fb, state, &info);
65
66 DBG("%dx%d -> %dx%d (%d)", info.width, info.height,
67 info.out_width, info.out_height,
68 info.screen_width);
69 DBG("%d,%d %pad %pad", info.pos_x, info.pos_y,
70 &info.paddr, &info.p_uv_addr);
71
72
73 ret = priv->dispc_ops->ovl_setup(priv->dispc, omap_plane->id, &info,
74 omap_crtc_timings(state->crtc), false,
75 omap_crtc_channel(state->crtc));
76 if (ret) {
77 dev_err(plane->dev->dev, "Failed to setup plane %s\n",
78 omap_plane->name);
79 priv->dispc_ops->ovl_enable(priv->dispc, omap_plane->id, false);
80 return;
81 }
82
83 priv->dispc_ops->ovl_enable(priv->dispc, omap_plane->id, true);
84 }
85
86 static void omap_plane_atomic_disable(struct drm_plane *plane,
87 struct drm_plane_state *old_state)
88 {
89 struct omap_drm_private *priv = plane->dev->dev_private;
90 struct omap_plane *omap_plane = to_omap_plane(plane);
91
92 plane->state->rotation = DRM_MODE_ROTATE_0;
93 plane->state->zpos = plane->type == DRM_PLANE_TYPE_PRIMARY
94 ? 0 : omap_plane->id;
95
96 priv->dispc_ops->ovl_enable(priv->dispc, omap_plane->id, false);
97 }
98
99 static int omap_plane_atomic_check(struct drm_plane *plane,
100 struct drm_plane_state *state)
101 {
102 struct drm_crtc_state *crtc_state;
103
104 if (!state->fb)
105 return 0;
106
107
108 if (WARN_ON(!state->crtc))
109 return 0;
110
111 crtc_state = drm_atomic_get_existing_crtc_state(state->state, state->crtc);
112
113 if (WARN_ON(!crtc_state))
114 return 0;
115
116 if (!crtc_state->enable)
117 return 0;
118
119 if (state->crtc_x < 0 || state->crtc_y < 0)
120 return -EINVAL;
121
122 if (state->crtc_x + state->crtc_w > crtc_state->adjusted_mode.hdisplay)
123 return -EINVAL;
124
125 if (state->crtc_y + state->crtc_h > crtc_state->adjusted_mode.vdisplay)
126 return -EINVAL;
127
128 if (state->rotation != DRM_MODE_ROTATE_0 &&
129 !omap_framebuffer_supports_rotation(state->fb))
130 return -EINVAL;
131
132 return 0;
133 }
134
135 static const struct drm_plane_helper_funcs omap_plane_helper_funcs = {
136 .prepare_fb = omap_plane_prepare_fb,
137 .cleanup_fb = omap_plane_cleanup_fb,
138 .atomic_check = omap_plane_atomic_check,
139 .atomic_update = omap_plane_atomic_update,
140 .atomic_disable = omap_plane_atomic_disable,
141 };
142
143 static void omap_plane_destroy(struct drm_plane *plane)
144 {
145 struct omap_plane *omap_plane = to_omap_plane(plane);
146
147 DBG("%s", omap_plane->name);
148
149 drm_plane_cleanup(plane);
150
151 kfree(omap_plane);
152 }
153
154
155 void omap_plane_install_properties(struct drm_plane *plane,
156 struct drm_mode_object *obj)
157 {
158 struct drm_device *dev = plane->dev;
159 struct omap_drm_private *priv = dev->dev_private;
160
161 if (priv->has_dmm) {
162 if (!plane->rotation_property)
163 drm_plane_create_rotation_property(plane,
164 DRM_MODE_ROTATE_0,
165 DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_90 |
166 DRM_MODE_ROTATE_180 | DRM_MODE_ROTATE_270 |
167 DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y);
168
169
170 if (plane->rotation_property && obj != &plane->base)
171 drm_object_attach_property(obj, plane->rotation_property,
172 DRM_MODE_ROTATE_0);
173 }
174
175 drm_object_attach_property(obj, priv->zorder_prop, 0);
176 }
177
178 static void omap_plane_reset(struct drm_plane *plane)
179 {
180 struct omap_plane *omap_plane = to_omap_plane(plane);
181
182 drm_atomic_helper_plane_reset(plane);
183 if (!plane->state)
184 return;
185
186
187
188
189
190 plane->state->zpos = plane->type == DRM_PLANE_TYPE_PRIMARY
191 ? 0 : omap_plane->id;
192 }
193
194 static int omap_plane_atomic_set_property(struct drm_plane *plane,
195 struct drm_plane_state *state,
196 struct drm_property *property,
197 u64 val)
198 {
199 struct omap_drm_private *priv = plane->dev->dev_private;
200
201 if (property == priv->zorder_prop)
202 state->zpos = val;
203 else
204 return -EINVAL;
205
206 return 0;
207 }
208
209 static int omap_plane_atomic_get_property(struct drm_plane *plane,
210 const struct drm_plane_state *state,
211 struct drm_property *property,
212 u64 *val)
213 {
214 struct omap_drm_private *priv = plane->dev->dev_private;
215
216 if (property == priv->zorder_prop)
217 *val = state->zpos;
218 else
219 return -EINVAL;
220
221 return 0;
222 }
223
224 static const struct drm_plane_funcs omap_plane_funcs = {
225 .update_plane = drm_atomic_helper_update_plane,
226 .disable_plane = drm_atomic_helper_disable_plane,
227 .reset = omap_plane_reset,
228 .destroy = omap_plane_destroy,
229 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
230 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
231 .atomic_set_property = omap_plane_atomic_set_property,
232 .atomic_get_property = omap_plane_atomic_get_property,
233 };
234
235 static const char *plane_id_to_name[] = {
236 [OMAP_DSS_GFX] = "gfx",
237 [OMAP_DSS_VIDEO1] = "vid1",
238 [OMAP_DSS_VIDEO2] = "vid2",
239 [OMAP_DSS_VIDEO3] = "vid3",
240 };
241
242 static const enum omap_plane_id plane_idx_to_id[] = {
243 OMAP_DSS_GFX,
244 OMAP_DSS_VIDEO1,
245 OMAP_DSS_VIDEO2,
246 OMAP_DSS_VIDEO3,
247 };
248
249
250 struct drm_plane *omap_plane_init(struct drm_device *dev,
251 int idx, enum drm_plane_type type,
252 u32 possible_crtcs)
253 {
254 struct omap_drm_private *priv = dev->dev_private;
255 unsigned int num_planes = priv->dispc_ops->get_num_ovls(priv->dispc);
256 struct drm_plane *plane;
257 struct omap_plane *omap_plane;
258 enum omap_plane_id id;
259 int ret;
260 u32 nformats;
261 const u32 *formats;
262
263 if (WARN_ON(idx >= ARRAY_SIZE(plane_idx_to_id)))
264 return ERR_PTR(-EINVAL);
265
266 id = plane_idx_to_id[idx];
267
268 DBG("%s: type=%d", plane_id_to_name[id], type);
269
270 omap_plane = kzalloc(sizeof(*omap_plane), GFP_KERNEL);
271 if (!omap_plane)
272 return ERR_PTR(-ENOMEM);
273
274 formats = priv->dispc_ops->ovl_get_color_modes(priv->dispc, id);
275 for (nformats = 0; formats[nformats]; ++nformats)
276 ;
277 omap_plane->id = id;
278 omap_plane->name = plane_id_to_name[id];
279
280 plane = &omap_plane->base;
281
282 ret = drm_universal_plane_init(dev, plane, possible_crtcs,
283 &omap_plane_funcs, formats,
284 nformats, NULL, type, NULL);
285 if (ret < 0)
286 goto error;
287
288 drm_plane_helper_add(plane, &omap_plane_helper_funcs);
289
290 omap_plane_install_properties(plane, &plane->base);
291 drm_plane_create_zpos_property(plane, 0, 0, num_planes - 1);
292 drm_plane_create_alpha_property(plane);
293 drm_plane_create_blend_mode_property(plane, BIT(DRM_MODE_BLEND_PREMULTI) |
294 BIT(DRM_MODE_BLEND_COVERAGE));
295
296 return plane;
297
298 error:
299 dev_err(dev->dev, "%s(): could not create plane: %s\n",
300 __func__, plane_id_to_name[id]);
301
302 kfree(omap_plane);
303 return NULL;
304 }