1 /*
2 * Copyright (c) 2011, The Linux Foundation. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above
10 * copyright notice, this list of conditions and the following
11 * disclaimer in the documentation and/or other materials provided
12 * with the distribution.
13 * * Neither the name of The Linux Foundation nor the names of its
14 * contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30 #ifndef MDP_WRAPPER_H
31 #define MDP_WRAPPER_H
32
33 #define ATRACE_TAG (ATRACE_TAG_GRAPHICS | ATRACE_TAG_HAL)
34
35 /*
36 * In order to make overlay::mdp_wrapper shorter, please do something like:
37 * namespace mdpwrap = overlay::mdp_wrapper;
38 * */
39
40 #include <linux/msm_mdp.h>
41 #include <linux/msm_rotator.h>
42 #include <sys/ioctl.h>
43 #include <utils/Log.h>
44 #include <utils/Trace.h>
45 #include <errno.h>
46 #include "overlayUtils.h"
47 #include "overlay.h"
48
49 #define IOCTL_DEBUG 0
50 #define LIKELY( exp ) (__builtin_expect( (exp) != 0, true ))
51 #define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false ))
52
53 namespace overlay{
54
55 namespace mdp_wrapper{
56 /* FBIOGET_FSCREENINFO */
57 bool getFScreenInfo(int fd, fb_fix_screeninfo& finfo);
58
59 /* FBIOGET_VSCREENINFO */
60 bool getVScreenInfo(int fd, fb_var_screeninfo& vinfo);
61
62 /* FBIOPUT_VSCREENINFO */
63 bool setVScreenInfo(int fd, fb_var_screeninfo& vinfo);
64
65 /* MSM_ROTATOR_IOCTL_START */
66 bool startRotator(int fd, msm_rotator_img_info& rot);
67
68 /* MSM_ROTATOR_IOCTL_ROTATE */
69 bool rotate(int fd, msm_rotator_data_info& rot);
70
71 /* MSMFB_OVERLAY_SET */
72 bool setOverlay(int fd, mdp_overlay& ov);
73
74 /* MSMFB_OVERLAY_PREPARE */
75 int validateAndSet(const int& fd, mdp_overlay_list& list);
76
77 /* MSM_ROTATOR_IOCTL_FINISH */
78 bool endRotator(int fd, int sessionId);
79
80 /* MSMFB_OVERLAY_UNSET */
81 bool unsetOverlay(int fd, int ovId);
82
83 /* MSMFB_OVERLAY_GET */
84 bool getOverlay(int fd, mdp_overlay& ov);
85
86 /* MSMFB_OVERLAY_PLAY */
87 bool play(int fd, msmfb_overlay_data& od);
88
89 /* MSMFB_DISPLAY_COMMIT */
90 bool displayCommit(int fd);
91
92 /* MSMFB_WRITEBACK_INIT, MSMFB_WRITEBACK_START */
93 bool wbInitStart(int fbfd);
94
95 /* MSMFB_WRITEBACK_STOP, MSMFB_WRITEBACK_TERMINATE */
96 bool wbStopTerminate(int fbfd);
97
98 /* MSMFB_WRITEBACK_QUEUE_BUFFER */
99 bool wbQueueBuffer(int fbfd, struct msmfb_data& fbData);
100
101 /* MSMFB_WRITEBACK_DEQUEUE_BUFFER */
102 bool wbDequeueBuffer(int fbfd, struct msmfb_data& fbData);
103
104 /* the following are helper functions for dumping
105 * msm_mdp and friends*/
106 void dump(const char* const s, const msmfb_overlay_data& ov);
107 void dump(const char* const s, const msmfb_data& ov);
108 void dump(const char* const s, const mdp_overlay& ov);
109 void dump(const char* const s, const uint32_t u[], uint32_t cnt);
110 void dump(const char* const s, const msmfb_img& ov);
111 void dump(const char* const s, const mdp_rect& ov);
112
113 /* and rotator */
114 void dump(const char* const s, const msm_rotator_img_info& rot);
115 void dump(const char* const s, const msm_rotator_data_info& rot);
116
117 /* info */
118 void dump(const char* const s, const fb_fix_screeninfo& finfo);
119 void dump(const char* const s, const fb_var_screeninfo& vinfo);
120
121 //---------------Inlines -------------------------------------
122
getFScreenInfo(int fd,fb_fix_screeninfo & finfo)123 inline bool getFScreenInfo(int fd, fb_fix_screeninfo& finfo) {
124 ATRACE_CALL();
125 if (ioctl(fd, FBIOGET_FSCREENINFO, &finfo) < 0) {
126 ALOGE("Failed to call ioctl FBIOGET_FSCREENINFO err=%s",
127 strerror(errno));
128 return false;
129 }
130 return true;
131 }
132
getVScreenInfo(int fd,fb_var_screeninfo & vinfo)133 inline bool getVScreenInfo(int fd, fb_var_screeninfo& vinfo) {
134 ATRACE_CALL();
135 if (ioctl(fd, FBIOGET_VSCREENINFO, &vinfo) < 0) {
136 ALOGE("Failed to call ioctl FBIOGET_VSCREENINFO err=%s",
137 strerror(errno));
138 return false;
139 }
140 return true;
141 }
142
setVScreenInfo(int fd,fb_var_screeninfo & vinfo)143 inline bool setVScreenInfo(int fd, fb_var_screeninfo& vinfo) {
144 ATRACE_CALL();
145 if (ioctl(fd, FBIOPUT_VSCREENINFO, &vinfo) < 0) {
146 ALOGE("Failed to call ioctl FBIOPUT_VSCREENINFO err=%s",
147 strerror(errno));
148 return false;
149 }
150 return true;
151 }
152
startRotator(int fd,msm_rotator_img_info & rot)153 inline bool startRotator(int fd, msm_rotator_img_info& rot) {
154 ATRACE_CALL();
155 if (ioctl(fd, MSM_ROTATOR_IOCTL_START, &rot) < 0){
156 ALOGE("Failed to call ioctl MSM_ROTATOR_IOCTL_START err=%s",
157 strerror(errno));
158 return false;
159 }
160 return true;
161 }
162
rotate(int fd,msm_rotator_data_info & rot)163 inline bool rotate(int fd, msm_rotator_data_info& rot) {
164 ATRACE_CALL();
165 if (ioctl(fd, MSM_ROTATOR_IOCTL_ROTATE, &rot) < 0) {
166 ALOGE("Failed to call ioctl MSM_ROTATOR_IOCTL_ROTATE err=%s",
167 strerror(errno));
168 return false;
169 }
170 return true;
171 }
172
setOverlay(int fd,mdp_overlay & ov)173 inline bool setOverlay(int fd, mdp_overlay& ov) {
174 ATRACE_CALL();
175 if (ioctl(fd, MSMFB_OVERLAY_SET, &ov) < 0) {
176 ALOGE("Failed to call ioctl MSMFB_OVERLAY_SET err=%s",
177 strerror(errno));
178 return false;
179 }
180 return true;
181 }
182
validateAndSet(const int & fd,mdp_overlay_list & list)183 inline int validateAndSet(const int& fd, mdp_overlay_list& list) {
184 ATRACE_CALL();
185 uint32_t id = 0;
186 if(UNLIKELY(Overlay::isDebugPipeLifecycle())) {
187 for(uint32_t i = 0; i < list.num_overlays; i++) {
188 if(list.overlay_list[i]->id != (uint32_t)MSMFB_NEW_REQUEST) {
189 id |= list.overlay_list[i]->id;
190 }
191 }
192
193 ALOGD("%s Total pipes needed: %d, Exisiting pipe mask 0x%04x",
194 __FUNCTION__, list.num_overlays, id);
195 id = 0;
196 }
197
198 if (ioctl(fd, MSMFB_OVERLAY_PREPARE, &list) < 0) {
199 ALOGD_IF(IOCTL_DEBUG, "Failed to call ioctl MSMFB_OVERLAY_PREPARE "
200 "err=%s", strerror(errno));
201 return errno;
202 }
203
204 if(UNLIKELY(Overlay::isDebugPipeLifecycle())) {
205 for(uint32_t i = 0; i < list.num_overlays; i++) {
206 id |= list.overlay_list[i]->id;
207 }
208
209 ALOGD("%s Pipe mask after OVERLAY_PREPARE 0x%04x", __FUNCTION__, id);
210 }
211
212 return 0;
213 }
214
endRotator(int fd,uint32_t sessionId)215 inline bool endRotator(int fd, uint32_t sessionId) {
216 ATRACE_CALL();
217 if (ioctl(fd, MSM_ROTATOR_IOCTL_FINISH, &sessionId) < 0) {
218 ALOGE("Failed to call ioctl MSM_ROTATOR_IOCTL_FINISH err=%s",
219 strerror(errno));
220 return false;
221 }
222 return true;
223 }
224
unsetOverlay(int fd,int ovId)225 inline bool unsetOverlay(int fd, int ovId) {
226 ATRACE_CALL();
227 ALOGD_IF(Overlay::isDebugPipeLifecycle(), "%s Unsetting pipe 0x%04x",
228 __FUNCTION__, ovId);
229
230 if (ioctl(fd, MSMFB_OVERLAY_UNSET, &ovId) < 0) {
231 ALOGE("Failed to call ioctl MSMFB_OVERLAY_UNSET err=%s",
232 strerror(errno));
233 return false;
234 }
235 return true;
236 }
237
getOverlay(int fd,mdp_overlay & ov)238 inline bool getOverlay(int fd, mdp_overlay& ov) {
239 ATRACE_CALL();
240 if (ioctl(fd, MSMFB_OVERLAY_GET, &ov) < 0) {
241 ALOGE("Failed to call ioctl MSMFB_OVERLAY_GET err=%s",
242 strerror(errno));
243 return false;
244 }
245 return true;
246 }
247
play(int fd,msmfb_overlay_data & od)248 inline bool play(int fd, msmfb_overlay_data& od) {
249 ATRACE_CALL();
250 if (ioctl(fd, MSMFB_OVERLAY_PLAY, &od) < 0) {
251 ALOGE("Failed to call ioctl MSMFB_OVERLAY_PLAY err=%s",
252 strerror(errno));
253 return false;
254 }
255 return true;
256 }
257
displayCommit(int fd,mdp_display_commit & info)258 inline bool displayCommit(int fd, mdp_display_commit& info) {
259 ATRACE_CALL();
260 ALOGD_IF(Overlay::isDebugPipeLifecycle(), "%s", __FUNCTION__);
261
262 if(ioctl(fd, MSMFB_DISPLAY_COMMIT, &info) == -1) {
263 ALOGE("Failed to call ioctl MSMFB_DISPLAY_COMMIT err=%s",
264 strerror(errno));
265 return false;
266 }
267 return true;
268 }
269
wbInitStart(int fbfd)270 inline bool wbInitStart(int fbfd) {
271 ATRACE_CALL();
272 if(ioctl(fbfd, MSMFB_WRITEBACK_INIT, NULL) < 0) {
273 ALOGE("Failed to call ioctl MSMFB_WRITEBACK_INIT err=%s",
274 strerror(errno));
275 return false;
276 }
277 if(ioctl(fbfd, MSMFB_WRITEBACK_START, NULL) < 0) {
278 ALOGE("Failed to call ioctl MSMFB_WRITEBACK_START err=%s",
279 strerror(errno));
280 return false;
281 }
282 return true;
283 }
284
wbStopTerminate(int fbfd)285 inline bool wbStopTerminate(int fbfd) {
286 ATRACE_CALL();
287 if(ioctl(fbfd, MSMFB_WRITEBACK_STOP, NULL) < 0) {
288 ALOGE("Failed to call ioctl MSMFB_WRITEBACK_STOP err=%s",
289 strerror(errno));
290 return false;
291 }
292 if(ioctl(fbfd, MSMFB_WRITEBACK_TERMINATE, NULL) < 0) {
293 ALOGE("Failed to call ioctl MSMFB_WRITEBACK_TERMINATE err=%s",
294 strerror(errno));
295 return false;
296 }
297 return true;
298 }
299
wbQueueBuffer(int fbfd,struct msmfb_data & fbData)300 inline bool wbQueueBuffer(int fbfd, struct msmfb_data& fbData) {
301 ATRACE_CALL();
302 if(ioctl(fbfd, MSMFB_WRITEBACK_QUEUE_BUFFER, &fbData) < 0) {
303 ALOGE("Failed to call ioctl MSMFB_WRITEBACK_QUEUE_BUFFER err=%s",
304 strerror(errno));
305 return false;
306 }
307 return true;
308 }
309
wbDequeueBuffer(int fbfd,struct msmfb_data & fbData)310 inline bool wbDequeueBuffer(int fbfd, struct msmfb_data& fbData) {
311 ATRACE_CALL();
312 if(ioctl(fbfd, MSMFB_WRITEBACK_DEQUEUE_BUFFER, &fbData) < 0) {
313 ALOGE("Failed to call ioctl MSMFB_WRITEBACK_DEQUEUE_BUFFER err=%s",
314 strerror(errno));
315 return false;
316 }
317 return true;
318 }
319
320 /* dump funcs */
dump(const char * const s,const msmfb_overlay_data & ov)321 inline void dump(const char* const s, const msmfb_overlay_data& ov) {
322 ALOGE("%s msmfb_overlay_data id=%d",
323 s, ov.id);
324 dump("data", ov.data);
325 }
dump(const char * const s,const msmfb_data & ov)326 inline void dump(const char* const s, const msmfb_data& ov) {
327 ALOGE("%s msmfb_data offset=%d memid=%d id=%d flags=0x%x priv=%d",
328 s, ov.offset, ov.memory_id, ov.id, ov.flags, ov.priv);
329 }
dump(const char * const s,const mdp_overlay & ov)330 inline void dump(const char* const s, const mdp_overlay& ov) {
331 ALOGE("%s mdp_overlay z=%d alpha=%d mask=%d flags=0x%x id=%d",
332 s, ov.z_order, ov.alpha,
333 ov.transp_mask, ov.flags, ov.id);
334 dump("src", ov.src);
335 dump("src_rect", ov.src_rect);
336 dump("dst_rect", ov.dst_rect);
337 /*
338 Commented off to prevent verbose logging, since user_data could have 8 or so
339 fields which are mostly 0
340 dump("user_data", ov.user_data,
341 sizeof(ov.user_data)/sizeof(ov.user_data[0]));
342 */
343 }
dump(const char * const s,const msmfb_img & ov)344 inline void dump(const char* const s, const msmfb_img& ov) {
345 ALOGE("%s msmfb_img w=%d h=%d format=%d %s",
346 s, ov.width, ov.height, ov.format,
347 overlay::utils::getFormatString(ov.format));
348 }
dump(const char * const s,const mdp_rect & ov)349 inline void dump(const char* const s, const mdp_rect& ov) {
350 ALOGE("%s mdp_rect x=%d y=%d w=%d h=%d",
351 s, ov.x, ov.y, ov.w, ov.h);
352 }
353
dump(const char * const s,const uint32_t u[],uint32_t cnt)354 inline void dump(const char* const s, const uint32_t u[], uint32_t cnt) {
355 ALOGE("%s user_data cnt=%d", s, cnt);
356 for(uint32_t i=0; i < cnt; ++i) {
357 ALOGE("i=%d val=%d", i, u[i]);
358 }
359 }
dump(const char * const s,const msm_rotator_img_info & rot)360 inline void dump(const char* const s, const msm_rotator_img_info& rot) {
361 ALOGE("%s msm_rotator_img_info sessid=%u dstx=%d dsty=%d rot=%d, ena=%d scale=%d",
362 s, rot.session_id, rot.dst_x, rot.dst_y,
363 rot.rotations, rot.enable, rot.downscale_ratio);
364 dump("src", rot.src);
365 dump("dst", rot.dst);
366 dump("src_rect", rot.src_rect);
367 }
dump(const char * const s,const msm_rotator_data_info & rot)368 inline void dump(const char* const s, const msm_rotator_data_info& rot) {
369 ALOGE("%s msm_rotator_data_info sessid=%u verkey=%d",
370 s, rot.session_id, rot.version_key);
371 dump("src", rot.src);
372 dump("dst", rot.dst);
373 dump("src_chroma", rot.src_chroma);
374 dump("dst_chroma", rot.dst_chroma);
375 }
dump(const char * const s,const fb_fix_screeninfo & finfo)376 inline void dump(const char* const s, const fb_fix_screeninfo& finfo) {
377 ALOGE("%s fb_fix_screeninfo type=%d", s, finfo.type);
378 }
dump(const char * const s,const fb_var_screeninfo & vinfo)379 inline void dump(const char* const s, const fb_var_screeninfo& vinfo) {
380 ALOGE("%s fb_var_screeninfo xres=%d yres=%d",
381 s, vinfo.xres, vinfo.yres);
382 }
383
384 } // mdp_wrapper
385
386 } // overlay
387
388 #endif // MDP_WRAPPER_H
389