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1/*
2 * drivers/gpu/drm/omapdrm/omap_plane.c
3 *
4 * Copyright (C) 2011 Texas Instruments
5 * Author: Rob Clark <rob.clark@linaro.org>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 as published by
9 * the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * more details.
15 *
16 * You should have received a copy of the GNU General Public License along with
17 * this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20#include <drm/drm_atomic.h>
21#include <drm/drm_atomic_helper.h>
22#include <drm/drm_plane_helper.h>
23
24#include "omap_dmm_tiler.h"
25#include "omap_drv.h"
26
27/* some hackery because omapdss has an 'enum omap_plane' (which would be
28 * better named omap_plane_id).. and compiler seems unhappy about having
29 * both a 'struct omap_plane' and 'enum omap_plane'
30 */
31#define omap_plane _omap_plane
32
33/*
34 * plane funcs
35 */
36
37#define to_omap_plane(x) container_of(x, struct omap_plane, base)
38
39struct omap_plane {
40 struct drm_plane base;
41 int id; /* TODO rename omap_plane -> omap_plane_id in omapdss so I can use the enum */
42 const char *name;
43
44 uint32_t nformats;
45 uint32_t formats[32];
46
47 struct omap_drm_irq error_irq;
48};
49
50struct omap_plane_state {
51 struct drm_plane_state base;
52
53 unsigned int zorder;
54};
55
56static inline struct omap_plane_state *
57to_omap_plane_state(struct drm_plane_state *state)
58{
59 return container_of(state, struct omap_plane_state, base);
60}
61
62static int omap_plane_prepare_fb(struct drm_plane *plane,
63 struct drm_plane_state *new_state)
64{
65 if (!new_state->fb)
66 return 0;
67
68 return omap_framebuffer_pin(new_state->fb);
69}
70
71static void omap_plane_cleanup_fb(struct drm_plane *plane,
72 struct drm_plane_state *old_state)
73{
74 if (old_state->fb)
75 omap_framebuffer_unpin(old_state->fb);
76}
77
78static void omap_plane_atomic_update(struct drm_plane *plane,
79 struct drm_plane_state *old_state)
80{
81 struct omap_plane *omap_plane = to_omap_plane(plane);
82 struct drm_plane_state *state = plane->state;
83 struct omap_plane_state *omap_state = to_omap_plane_state(state);
84 struct omap_overlay_info info;
85 struct omap_drm_window win;
86 int ret;
87
88 DBG("%s, crtc=%p fb=%p", omap_plane->name, state->crtc, state->fb);
89
90 memset(&info, 0, sizeof(info));
91 info.rotation_type = OMAP_DSS_ROT_DMA;
92 info.rotation = OMAP_DSS_ROT_0;
93 info.global_alpha = 0xff;
94 info.mirror = 0;
95 info.zorder = omap_state->zorder;
96
97 memset(&win, 0, sizeof(win));
98 win.rotation = state->rotation;
99 win.crtc_x = state->crtc_x;
100 win.crtc_y = state->crtc_y;
101 win.crtc_w = state->crtc_w;
102 win.crtc_h = state->crtc_h;
103
104 /*
105 * src values are in Q16 fixed point, convert to integer.
106 * omap_framebuffer_update_scanout() takes adjusted src.
107 */
108 win.src_x = state->src_x >> 16;
109 win.src_y = state->src_y >> 16;
110
111 if (drm_rotation_90_or_270(state->rotation)) {
112 win.src_w = state->src_h >> 16;
113 win.src_h = state->src_w >> 16;
114 } else {
115 win.src_w = state->src_w >> 16;
116 win.src_h = state->src_h >> 16;
117 }
118
119 /* update scanout: */
120 omap_framebuffer_update_scanout(state->fb, &win, &info);
121
122 DBG("%dx%d -> %dx%d (%d)", info.width, info.height,
123 info.out_width, info.out_height,
124 info.screen_width);
125 DBG("%d,%d %pad %pad", info.pos_x, info.pos_y,
126 &info.paddr, &info.p_uv_addr);
127
128 dispc_ovl_set_channel_out(omap_plane->id,
129 omap_crtc_channel(state->crtc));
130
131 /* and finally, update omapdss: */
132 ret = dispc_ovl_setup(omap_plane->id, &info, false,
133 omap_crtc_timings(state->crtc), false);
134 if (ret) {
135 dev_err(plane->dev->dev, "Failed to setup plane %s\n",
136 omap_plane->name);
137 dispc_ovl_enable(omap_plane->id, false);
138 return;
139 }
140
141 dispc_ovl_enable(omap_plane->id, true);
142}
143
144static void omap_plane_atomic_disable(struct drm_plane *plane,
145 struct drm_plane_state *old_state)
146{
147 struct omap_plane_state *omap_state = to_omap_plane_state(plane->state);
148 struct omap_plane *omap_plane = to_omap_plane(plane);
149
150 plane->state->rotation = DRM_ROTATE_0;
151 omap_state->zorder = plane->type == DRM_PLANE_TYPE_PRIMARY
152 ? 0 : omap_plane->id;
153
154 dispc_ovl_enable(omap_plane->id, false);
155}
156
157static int omap_plane_atomic_check(struct drm_plane *plane,
158 struct drm_plane_state *state)
159{
160 struct drm_crtc_state *crtc_state;
161
162 if (!state->fb)
163 return 0;
164
165 /* crtc should only be NULL when disabling (i.e., !state->fb) */
166 if (WARN_ON(!state->crtc))
167 return 0;
168
169 crtc_state = drm_atomic_get_existing_crtc_state(state->state, state->crtc);
170 /* we should have a crtc state if the plane is attached to a crtc */
171 if (WARN_ON(!crtc_state))
172 return 0;
173
174 if (!crtc_state->enable)
175 return 0;
176
177 if (state->crtc_x < 0 || state->crtc_y < 0)
178 return -EINVAL;
179
180 if (state->crtc_x + state->crtc_w > crtc_state->adjusted_mode.hdisplay)
181 return -EINVAL;
182
183 if (state->crtc_y + state->crtc_h > crtc_state->adjusted_mode.vdisplay)
184 return -EINVAL;
185
186 if (state->rotation != DRM_ROTATE_0 &&
187 !omap_framebuffer_supports_rotation(state->fb))
188 return -EINVAL;
189
190 return 0;
191}
192
193static const struct drm_plane_helper_funcs omap_plane_helper_funcs = {
194 .prepare_fb = omap_plane_prepare_fb,
195 .cleanup_fb = omap_plane_cleanup_fb,
196 .atomic_check = omap_plane_atomic_check,
197 .atomic_update = omap_plane_atomic_update,
198 .atomic_disable = omap_plane_atomic_disable,
199};
200
201static void omap_plane_destroy(struct drm_plane *plane)
202{
203 struct omap_plane *omap_plane = to_omap_plane(plane);
204
205 DBG("%s", omap_plane->name);
206
207 omap_irq_unregister(plane->dev, &omap_plane->error_irq);
208
209 drm_plane_cleanup(plane);
210
211 kfree(omap_plane);
212}
213
214/* helper to install properties which are common to planes and crtcs */
215void omap_plane_install_properties(struct drm_plane *plane,
216 struct drm_mode_object *obj)
217{
218 struct drm_device *dev = plane->dev;
219 struct omap_drm_private *priv = dev->dev_private;
220
221 if (priv->has_dmm) {
222 if (!plane->rotation_property)
223 drm_plane_create_rotation_property(plane,
224 DRM_ROTATE_0,
225 DRM_ROTATE_0 | DRM_ROTATE_90 |
226 DRM_ROTATE_180 | DRM_ROTATE_270 |
227 DRM_REFLECT_X | DRM_REFLECT_Y);
228
229 /* Attach the rotation property also to the crtc object */
230 if (plane->rotation_property && obj != &plane->base)
231 drm_object_attach_property(obj, plane->rotation_property,
232 DRM_ROTATE_0);
233 }
234
235 drm_object_attach_property(obj, priv->zorder_prop, 0);
236}
237
238static struct drm_plane_state *
239omap_plane_atomic_duplicate_state(struct drm_plane *plane)
240{
241 struct omap_plane_state *state;
242 struct omap_plane_state *copy;
243
244 if (WARN_ON(!plane->state))
245 return NULL;
246
247 state = to_omap_plane_state(plane->state);
248 copy = kmemdup(state, sizeof(*state), GFP_KERNEL);
249 if (copy == NULL)
250 return NULL;
251
252 __drm_atomic_helper_plane_duplicate_state(plane, ©->base);
253
254 return ©->base;
255}
256
257static void omap_plane_atomic_destroy_state(struct drm_plane *plane,
258 struct drm_plane_state *state)
259{
260 __drm_atomic_helper_plane_destroy_state(state);
261 kfree(to_omap_plane_state(state));
262}
263
264static void omap_plane_reset(struct drm_plane *plane)
265{
266 struct omap_plane *omap_plane = to_omap_plane(plane);
267 struct omap_plane_state *omap_state;
268
269 if (plane->state) {
270 omap_plane_atomic_destroy_state(plane, plane->state);
271 plane->state = NULL;
272 }
273
274 omap_state = kzalloc(sizeof(*omap_state), GFP_KERNEL);
275 if (omap_state == NULL)
276 return;
277
278 /*
279 * Set defaults depending on whether we are a primary or overlay
280 * plane.
281 */
282 omap_state->zorder = plane->type == DRM_PLANE_TYPE_PRIMARY
283 ? 0 : omap_plane->id;
284 omap_state->base.rotation = DRM_ROTATE_0;
285
286 plane->state = &omap_state->base;
287 plane->state->plane = plane;
288}
289
290static int omap_plane_atomic_set_property(struct drm_plane *plane,
291 struct drm_plane_state *state,
292 struct drm_property *property,
293 uint64_t val)
294{
295 struct omap_drm_private *priv = plane->dev->dev_private;
296 struct omap_plane_state *omap_state = to_omap_plane_state(state);
297
298 if (property == priv->zorder_prop)
299 omap_state->zorder = val;
300 else
301 return -EINVAL;
302
303 return 0;
304}
305
306static int omap_plane_atomic_get_property(struct drm_plane *plane,
307 const struct drm_plane_state *state,
308 struct drm_property *property,
309 uint64_t *val)
310{
311 struct omap_drm_private *priv = plane->dev->dev_private;
312 const struct omap_plane_state *omap_state =
313 container_of(state, const struct omap_plane_state, base);
314
315 if (property == priv->zorder_prop)
316 *val = omap_state->zorder;
317 else
318 return -EINVAL;
319
320 return 0;
321}
322
323static const struct drm_plane_funcs omap_plane_funcs = {
324 .update_plane = drm_atomic_helper_update_plane,
325 .disable_plane = drm_atomic_helper_disable_plane,
326 .reset = omap_plane_reset,
327 .destroy = omap_plane_destroy,
328 .set_property = drm_atomic_helper_plane_set_property,
329 .atomic_duplicate_state = omap_plane_atomic_duplicate_state,
330 .atomic_destroy_state = omap_plane_atomic_destroy_state,
331 .atomic_set_property = omap_plane_atomic_set_property,
332 .atomic_get_property = omap_plane_atomic_get_property,
333};
334
335static void omap_plane_error_irq(struct omap_drm_irq *irq, uint32_t irqstatus)
336{
337 struct omap_plane *omap_plane =
338 container_of(irq, struct omap_plane, error_irq);
339 DRM_ERROR_RATELIMITED("%s: errors: %08x\n", omap_plane->name,
340 irqstatus);
341}
342
343static const char *plane_names[] = {
344 [OMAP_DSS_GFX] = "gfx",
345 [OMAP_DSS_VIDEO1] = "vid1",
346 [OMAP_DSS_VIDEO2] = "vid2",
347 [OMAP_DSS_VIDEO3] = "vid3",
348};
349
350static const uint32_t error_irqs[] = {
351 [OMAP_DSS_GFX] = DISPC_IRQ_GFX_FIFO_UNDERFLOW,
352 [OMAP_DSS_VIDEO1] = DISPC_IRQ_VID1_FIFO_UNDERFLOW,
353 [OMAP_DSS_VIDEO2] = DISPC_IRQ_VID2_FIFO_UNDERFLOW,
354 [OMAP_DSS_VIDEO3] = DISPC_IRQ_VID3_FIFO_UNDERFLOW,
355};
356
357/* initialize plane */
358struct drm_plane *omap_plane_init(struct drm_device *dev,
359 int id, enum drm_plane_type type,
360 u32 possible_crtcs)
361{
362 struct drm_plane *plane;
363 struct omap_plane *omap_plane;
364 int ret;
365
366 DBG("%s: type=%d", plane_names[id], type);
367
368 omap_plane = kzalloc(sizeof(*omap_plane), GFP_KERNEL);
369 if (!omap_plane)
370 return ERR_PTR(-ENOMEM);
371
372 omap_plane->nformats = omap_framebuffer_get_formats(
373 omap_plane->formats, ARRAY_SIZE(omap_plane->formats),
374 dss_feat_get_supported_color_modes(id));
375 omap_plane->id = id;
376 omap_plane->name = plane_names[id];
377
378 plane = &omap_plane->base;
379
380 omap_plane->error_irq.irqmask = error_irqs[id];
381 omap_plane->error_irq.irq = omap_plane_error_irq;
382 omap_irq_register(dev, &omap_plane->error_irq);
383
384 ret = drm_universal_plane_init(dev, plane, possible_crtcs,
385 &omap_plane_funcs, omap_plane->formats,
386 omap_plane->nformats, type, NULL);
387 if (ret < 0)
388 goto error;
389
390 drm_plane_helper_add(plane, &omap_plane_helper_funcs);
391
392 omap_plane_install_properties(plane, &plane->base);
393
394 return plane;
395
396error:
397 omap_irq_unregister(plane->dev, &omap_plane->error_irq);
398 kfree(omap_plane);
399 return NULL;
400}
1/*
2 * drivers/gpu/drm/omapdrm/omap_plane.c
3 *
4 * Copyright (C) 2011 Texas Instruments
5 * Author: Rob Clark <rob.clark@linaro.org>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 as published by
9 * the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * more details.
15 *
16 * You should have received a copy of the GNU General Public License along with
17 * this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20#include "drm_flip_work.h"
21
22#include "omap_drv.h"
23#include "omap_dmm_tiler.h"
24
25/* some hackery because omapdss has an 'enum omap_plane' (which would be
26 * better named omap_plane_id).. and compiler seems unhappy about having
27 * both a 'struct omap_plane' and 'enum omap_plane'
28 */
29#define omap_plane _omap_plane
30
31/*
32 * plane funcs
33 */
34
35struct callback {
36 void (*fxn)(void *);
37 void *arg;
38};
39
40#define to_omap_plane(x) container_of(x, struct omap_plane, base)
41
42struct omap_plane {
43 struct drm_plane base;
44 int id; /* TODO rename omap_plane -> omap_plane_id in omapdss so I can use the enum */
45 const char *name;
46 struct omap_overlay_info info;
47 struct omap_drm_apply apply;
48
49 /* position/orientation of scanout within the fb: */
50 struct omap_drm_window win;
51 bool enabled;
52
53 /* last fb that we pinned: */
54 struct drm_framebuffer *pinned_fb;
55
56 uint32_t nformats;
57 uint32_t formats[32];
58
59 struct omap_drm_irq error_irq;
60
61 /* for deferring bo unpin's until next post_apply(): */
62 struct drm_flip_work unpin_work;
63
64 // XXX maybe get rid of this and handle vblank in crtc too?
65 struct callback apply_done_cb;
66};
67
68static void unpin_worker(struct drm_flip_work *work, void *val)
69{
70 struct omap_plane *omap_plane =
71 container_of(work, struct omap_plane, unpin_work);
72 struct drm_device *dev = omap_plane->base.dev;
73
74 omap_framebuffer_unpin(val);
75 mutex_lock(&dev->mode_config.mutex);
76 drm_framebuffer_unreference(val);
77 mutex_unlock(&dev->mode_config.mutex);
78}
79
80/* update which fb (if any) is pinned for scanout */
81static int update_pin(struct drm_plane *plane, struct drm_framebuffer *fb)
82{
83 struct omap_plane *omap_plane = to_omap_plane(plane);
84 struct drm_framebuffer *pinned_fb = omap_plane->pinned_fb;
85
86 if (pinned_fb != fb) {
87 int ret = 0;
88
89 DBG("%p -> %p", pinned_fb, fb);
90
91 if (fb) {
92 drm_framebuffer_reference(fb);
93 ret = omap_framebuffer_pin(fb);
94 }
95
96 if (pinned_fb)
97 drm_flip_work_queue(&omap_plane->unpin_work, pinned_fb);
98
99 if (ret) {
100 dev_err(plane->dev->dev, "could not swap %p -> %p\n",
101 omap_plane->pinned_fb, fb);
102 drm_framebuffer_unreference(fb);
103 omap_plane->pinned_fb = NULL;
104 return ret;
105 }
106
107 omap_plane->pinned_fb = fb;
108 }
109
110 return 0;
111}
112
113static void omap_plane_pre_apply(struct omap_drm_apply *apply)
114{
115 struct omap_plane *omap_plane =
116 container_of(apply, struct omap_plane, apply);
117 struct omap_drm_window *win = &omap_plane->win;
118 struct drm_plane *plane = &omap_plane->base;
119 struct drm_device *dev = plane->dev;
120 struct omap_overlay_info *info = &omap_plane->info;
121 struct drm_crtc *crtc = plane->crtc;
122 enum omap_channel channel;
123 bool enabled = omap_plane->enabled && crtc;
124 bool ilace, replication;
125 int ret;
126
127 DBG("%s, enabled=%d", omap_plane->name, enabled);
128
129 /* if fb has changed, pin new fb: */
130 update_pin(plane, enabled ? plane->fb : NULL);
131
132 if (!enabled) {
133 dispc_ovl_enable(omap_plane->id, false);
134 return;
135 }
136
137 channel = omap_crtc_channel(crtc);
138
139 /* update scanout: */
140 omap_framebuffer_update_scanout(plane->fb, win, info);
141
142 DBG("%dx%d -> %dx%d (%d)", info->width, info->height,
143 info->out_width, info->out_height,
144 info->screen_width);
145 DBG("%d,%d %08x %08x", info->pos_x, info->pos_y,
146 info->paddr, info->p_uv_addr);
147
148 /* TODO: */
149 ilace = false;
150 replication = false;
151
152 /* and finally, update omapdss: */
153 ret = dispc_ovl_setup(omap_plane->id, info,
154 replication, omap_crtc_timings(crtc), false);
155 if (ret) {
156 dev_err(dev->dev, "dispc_ovl_setup failed: %d\n", ret);
157 return;
158 }
159
160 dispc_ovl_enable(omap_plane->id, true);
161 dispc_ovl_set_channel_out(omap_plane->id, channel);
162}
163
164static void omap_plane_post_apply(struct omap_drm_apply *apply)
165{
166 struct omap_plane *omap_plane =
167 container_of(apply, struct omap_plane, apply);
168 struct drm_plane *plane = &omap_plane->base;
169 struct omap_drm_private *priv = plane->dev->dev_private;
170 struct omap_overlay_info *info = &omap_plane->info;
171 struct callback cb;
172
173 cb = omap_plane->apply_done_cb;
174 omap_plane->apply_done_cb.fxn = NULL;
175
176 drm_flip_work_commit(&omap_plane->unpin_work, priv->wq);
177
178 if (cb.fxn)
179 cb.fxn(cb.arg);
180
181 if (omap_plane->enabled) {
182 omap_framebuffer_flush(plane->fb, info->pos_x, info->pos_y,
183 info->out_width, info->out_height);
184 }
185}
186
187static int apply(struct drm_plane *plane)
188{
189 if (plane->crtc) {
190 struct omap_plane *omap_plane = to_omap_plane(plane);
191 return omap_crtc_apply(plane->crtc, &omap_plane->apply);
192 }
193 return 0;
194}
195
196int omap_plane_mode_set(struct drm_plane *plane,
197 struct drm_crtc *crtc, struct drm_framebuffer *fb,
198 int crtc_x, int crtc_y,
199 unsigned int crtc_w, unsigned int crtc_h,
200 uint32_t src_x, uint32_t src_y,
201 uint32_t src_w, uint32_t src_h,
202 void (*fxn)(void *), void *arg)
203{
204 struct omap_plane *omap_plane = to_omap_plane(plane);
205 struct omap_drm_window *win = &omap_plane->win;
206
207 win->crtc_x = crtc_x;
208 win->crtc_y = crtc_y;
209 win->crtc_w = crtc_w;
210 win->crtc_h = crtc_h;
211
212 /* src values are in Q16 fixed point, convert to integer: */
213 win->src_x = src_x >> 16;
214 win->src_y = src_y >> 16;
215 win->src_w = src_w >> 16;
216 win->src_h = src_h >> 16;
217
218 if (fxn) {
219 /* omap_crtc should ensure that a new page flip
220 * isn't permitted while there is one pending:
221 */
222 BUG_ON(omap_plane->apply_done_cb.fxn);
223
224 omap_plane->apply_done_cb.fxn = fxn;
225 omap_plane->apply_done_cb.arg = arg;
226 }
227
228 if (plane->fb)
229 drm_framebuffer_unreference(plane->fb);
230
231 drm_framebuffer_reference(fb);
232
233 plane->fb = fb;
234 plane->crtc = crtc;
235
236 return apply(plane);
237}
238
239static int omap_plane_update(struct drm_plane *plane,
240 struct drm_crtc *crtc, struct drm_framebuffer *fb,
241 int crtc_x, int crtc_y,
242 unsigned int crtc_w, unsigned int crtc_h,
243 uint32_t src_x, uint32_t src_y,
244 uint32_t src_w, uint32_t src_h)
245{
246 struct omap_plane *omap_plane = to_omap_plane(plane);
247 omap_plane->enabled = true;
248
249 /* omap_plane_mode_set() takes adjusted src */
250 switch (omap_plane->win.rotation & 0xf) {
251 case BIT(DRM_ROTATE_90):
252 case BIT(DRM_ROTATE_270):
253 swap(src_w, src_h);
254 break;
255 }
256
257 return omap_plane_mode_set(plane, crtc, fb,
258 crtc_x, crtc_y, crtc_w, crtc_h,
259 src_x, src_y, src_w, src_h,
260 NULL, NULL);
261}
262
263static int omap_plane_disable(struct drm_plane *plane)
264{
265 struct omap_plane *omap_plane = to_omap_plane(plane);
266 omap_plane->win.rotation = BIT(DRM_ROTATE_0);
267 return omap_plane_dpms(plane, DRM_MODE_DPMS_OFF);
268}
269
270static void omap_plane_destroy(struct drm_plane *plane)
271{
272 struct omap_plane *omap_plane = to_omap_plane(plane);
273
274 DBG("%s", omap_plane->name);
275
276 omap_irq_unregister(plane->dev, &omap_plane->error_irq);
277
278 omap_plane_disable(plane);
279 drm_plane_cleanup(plane);
280
281 drm_flip_work_cleanup(&omap_plane->unpin_work);
282
283 kfree(omap_plane);
284}
285
286int omap_plane_dpms(struct drm_plane *plane, int mode)
287{
288 struct omap_plane *omap_plane = to_omap_plane(plane);
289 bool enabled = (mode == DRM_MODE_DPMS_ON);
290 int ret = 0;
291
292 if (enabled != omap_plane->enabled) {
293 omap_plane->enabled = enabled;
294 ret = apply(plane);
295 }
296
297 return ret;
298}
299
300/* helper to install properties which are common to planes and crtcs */
301void omap_plane_install_properties(struct drm_plane *plane,
302 struct drm_mode_object *obj)
303{
304 struct drm_device *dev = plane->dev;
305 struct omap_drm_private *priv = dev->dev_private;
306 struct drm_property *prop;
307
308 if (priv->has_dmm) {
309 prop = priv->rotation_prop;
310 if (!prop) {
311 const struct drm_prop_enum_list props[] = {
312 { DRM_ROTATE_0, "rotate-0" },
313 { DRM_ROTATE_90, "rotate-90" },
314 { DRM_ROTATE_180, "rotate-180" },
315 { DRM_ROTATE_270, "rotate-270" },
316 { DRM_REFLECT_X, "reflect-x" },
317 { DRM_REFLECT_Y, "reflect-y" },
318 };
319 prop = drm_property_create_bitmask(dev, 0, "rotation",
320 props, ARRAY_SIZE(props));
321 if (prop == NULL)
322 return;
323 priv->rotation_prop = prop;
324 }
325 drm_object_attach_property(obj, prop, 0);
326 }
327
328 prop = priv->zorder_prop;
329 if (!prop) {
330 prop = drm_property_create_range(dev, 0, "zorder", 0, 3);
331 if (prop == NULL)
332 return;
333 priv->zorder_prop = prop;
334 }
335 drm_object_attach_property(obj, prop, 0);
336}
337
338int omap_plane_set_property(struct drm_plane *plane,
339 struct drm_property *property, uint64_t val)
340{
341 struct omap_plane *omap_plane = to_omap_plane(plane);
342 struct omap_drm_private *priv = plane->dev->dev_private;
343 int ret = -EINVAL;
344
345 if (property == priv->rotation_prop) {
346 DBG("%s: rotation: %02x", omap_plane->name, (uint32_t)val);
347 omap_plane->win.rotation = val;
348 ret = apply(plane);
349 } else if (property == priv->zorder_prop) {
350 DBG("%s: zorder: %02x", omap_plane->name, (uint32_t)val);
351 omap_plane->info.zorder = val;
352 ret = apply(plane);
353 }
354
355 return ret;
356}
357
358static const struct drm_plane_funcs omap_plane_funcs = {
359 .update_plane = omap_plane_update,
360 .disable_plane = omap_plane_disable,
361 .destroy = omap_plane_destroy,
362 .set_property = omap_plane_set_property,
363};
364
365static void omap_plane_error_irq(struct omap_drm_irq *irq, uint32_t irqstatus)
366{
367 struct omap_plane *omap_plane =
368 container_of(irq, struct omap_plane, error_irq);
369 DRM_ERROR("%s: errors: %08x\n", omap_plane->name, irqstatus);
370}
371
372static const char *plane_names[] = {
373 [OMAP_DSS_GFX] = "gfx",
374 [OMAP_DSS_VIDEO1] = "vid1",
375 [OMAP_DSS_VIDEO2] = "vid2",
376 [OMAP_DSS_VIDEO3] = "vid3",
377};
378
379static const uint32_t error_irqs[] = {
380 [OMAP_DSS_GFX] = DISPC_IRQ_GFX_FIFO_UNDERFLOW,
381 [OMAP_DSS_VIDEO1] = DISPC_IRQ_VID1_FIFO_UNDERFLOW,
382 [OMAP_DSS_VIDEO2] = DISPC_IRQ_VID2_FIFO_UNDERFLOW,
383 [OMAP_DSS_VIDEO3] = DISPC_IRQ_VID3_FIFO_UNDERFLOW,
384};
385
386/* initialize plane */
387struct drm_plane *omap_plane_init(struct drm_device *dev,
388 int id, bool private_plane)
389{
390 struct omap_drm_private *priv = dev->dev_private;
391 struct drm_plane *plane = NULL;
392 struct omap_plane *omap_plane;
393 struct omap_overlay_info *info;
394 int ret;
395
396 DBG("%s: priv=%d", plane_names[id], private_plane);
397
398 omap_plane = kzalloc(sizeof(*omap_plane), GFP_KERNEL);
399 if (!omap_plane)
400 goto fail;
401
402 ret = drm_flip_work_init(&omap_plane->unpin_work, 16,
403 "unpin", unpin_worker);
404 if (ret) {
405 dev_err(dev->dev, "could not allocate unpin FIFO\n");
406 goto fail;
407 }
408
409 omap_plane->nformats = omap_framebuffer_get_formats(
410 omap_plane->formats, ARRAY_SIZE(omap_plane->formats),
411 dss_feat_get_supported_color_modes(id));
412 omap_plane->id = id;
413 omap_plane->name = plane_names[id];
414
415 plane = &omap_plane->base;
416
417 omap_plane->apply.pre_apply = omap_plane_pre_apply;
418 omap_plane->apply.post_apply = omap_plane_post_apply;
419
420 omap_plane->error_irq.irqmask = error_irqs[id];
421 omap_plane->error_irq.irq = omap_plane_error_irq;
422 omap_irq_register(dev, &omap_plane->error_irq);
423
424 drm_plane_init(dev, plane, (1 << priv->num_crtcs) - 1, &omap_plane_funcs,
425 omap_plane->formats, omap_plane->nformats, private_plane);
426
427 omap_plane_install_properties(plane, &plane->base);
428
429 /* get our starting configuration, set defaults for parameters
430 * we don't currently use, etc:
431 */
432 info = &omap_plane->info;
433 info->rotation_type = OMAP_DSS_ROT_DMA;
434 info->rotation = OMAP_DSS_ROT_0;
435 info->global_alpha = 0xff;
436 info->mirror = 0;
437
438 /* Set defaults depending on whether we are a CRTC or overlay
439 * layer.
440 * TODO add ioctl to give userspace an API to change this.. this
441 * will come in a subsequent patch.
442 */
443 if (private_plane)
444 omap_plane->info.zorder = 0;
445 else
446 omap_plane->info.zorder = id;
447
448 return plane;
449
450fail:
451 if (plane)
452 omap_plane_destroy(plane);
453
454 return NULL;
455}