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 /*
34 * In order to make overlay::mdp_wrapper shorter, please do something like:
35 * namespace mdpwrap = overlay::mdp_wrapper;
36 * */
37
38 #include <linux/msm_mdp.h>
39 #include <linux/msm_rotator.h>
40 #include <sys/ioctl.h>
41 #include <utils/Log.h>
42 #include <errno.h>
43 #include "overlayUtils.h"
44
45 #define IOCTL_DEBUG 0
46
47 namespace overlay{
48
49 namespace mdp_wrapper{
50 /* FBIOGET_FSCREENINFO */
51 bool getFScreenInfo(int fd, fb_fix_screeninfo& finfo);
52
53 /* FBIOGET_VSCREENINFO */
54 bool getVScreenInfo(int fd, fb_var_screeninfo& vinfo);
55
56 /* FBIOPUT_VSCREENINFO */
57 bool setVScreenInfo(int fd, fb_var_screeninfo& vinfo);
58
59 /* MSM_ROTATOR_IOCTL_START */
60 bool startRotator(int fd, msm_rotator_img_info& rot);
61
62 /* MSM_ROTATOR_IOCTL_ROTATE */
63 bool rotate(int fd, msm_rotator_data_info& rot);
64
65 /* MSMFB_OVERLAY_SET */
66 bool setOverlay(int fd, mdp_overlay& ov);
67
68 /* MSMFB_OVERLAY_PREPARE */
69 bool validateAndSet(const int& fd, mdp_overlay_list& list);
70
71 /* MSM_ROTATOR_IOCTL_FINISH */
72 bool endRotator(int fd, int sessionId);
73
74 /* MSMFB_OVERLAY_UNSET */
75 bool unsetOverlay(int fd, int ovId);
76
77 /* MSMFB_OVERLAY_GET */
78 bool getOverlay(int fd, mdp_overlay& ov);
79
80 /* MSMFB_OVERLAY_PLAY */
81 bool play(int fd, msmfb_overlay_data& od);
82
83 /* MSMFB_OVERLAY_3D */
84 bool set3D(int fd, msmfb_overlay_3d& ov);
85
86 /* MSMFB_DISPLAY_COMMIT */
87 bool displayCommit(int fd);
88
89 /* MSMFB_WRITEBACK_INIT, MSMFB_WRITEBACK_START */
90 bool wbInitStart(int fbfd);
91
92 /* MSMFB_WRITEBACK_STOP, MSMFB_WRITEBACK_TERMINATE */
93 bool wbStopTerminate(int fbfd);
94
95 /* MSMFB_WRITEBACK_QUEUE_BUFFER */
96 bool wbQueueBuffer(int fbfd, struct msmfb_data& fbData);
97
98 /* MSMFB_WRITEBACK_DEQUEUE_BUFFER */
99 bool wbDequeueBuffer(int fbfd, struct msmfb_data& fbData);
100
101 /* MSMFB_SECURE */
102 bool setSecureBuffer(int fbFd, struct msmfb_secure_config& config);
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 msmfb_overlay_3d& ov);
110 void dump(const char* const s, const uint32_t u[], uint32_t cnt);
111 void dump(const char* const s, const msmfb_img& ov);
112 void dump(const char* const s, const mdp_rect& ov);
113
114 /* and rotator */
115 void dump(const char* const s, const msm_rotator_img_info& rot);
116 void dump(const char* const s, const msm_rotator_data_info& rot);
117
118 /* info */
119 void dump(const char* const s, const fb_fix_screeninfo& finfo);
120 void dump(const char* const s, const fb_var_screeninfo& vinfo);
121
122 //---------------Inlines -------------------------------------
123
getFScreenInfo(int fd,fb_fix_screeninfo & finfo)124 inline bool getFScreenInfo(int fd, fb_fix_screeninfo& finfo) {
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 if (ioctl(fd, FBIOGET_VSCREENINFO, &vinfo) < 0) {
135 ALOGE("Failed to call ioctl FBIOGET_VSCREENINFO err=%s",
136 strerror(errno));
137 return false;
138 }
139 return true;
140 }
141
setVScreenInfo(int fd,fb_var_screeninfo & vinfo)142 inline bool setVScreenInfo(int fd, fb_var_screeninfo& vinfo) {
143 if (ioctl(fd, FBIOPUT_VSCREENINFO, &vinfo) < 0) {
144 ALOGE("Failed to call ioctl FBIOPUT_VSCREENINFO err=%s",
145 strerror(errno));
146 return false;
147 }
148 return true;
149 }
150
startRotator(int fd,msm_rotator_img_info & rot)151 inline bool startRotator(int fd, msm_rotator_img_info& rot) {
152 if (ioctl(fd, MSM_ROTATOR_IOCTL_START, &rot) < 0){
153 ALOGE("Failed to call ioctl MSM_ROTATOR_IOCTL_START err=%s",
154 strerror(errno));
155 return false;
156 }
157 return true;
158 }
159
rotate(int fd,msm_rotator_data_info & rot)160 inline bool rotate(int fd, msm_rotator_data_info& rot) {
161 if (ioctl(fd, MSM_ROTATOR_IOCTL_ROTATE, &rot) < 0) {
162 ALOGE("Failed to call ioctl MSM_ROTATOR_IOCTL_ROTATE err=%s",
163 strerror(errno));
164 return false;
165 }
166 return true;
167 }
168
setOverlay(int fd,mdp_overlay & ov)169 inline bool setOverlay(int fd, mdp_overlay& ov) {
170 if (ioctl(fd, MSMFB_OVERLAY_SET, &ov) < 0) {
171 ALOGE("Failed to call ioctl MSMFB_OVERLAY_SET err=%s",
172 strerror(errno));
173 return false;
174 }
175 return true;
176 }
177
validateAndSet(const int & fd,mdp_overlay_list & list)178 inline bool validateAndSet(const int& fd, mdp_overlay_list& list) {
179 if (ioctl(fd, MSMFB_OVERLAY_PREPARE, &list) < 0) {
180 ALOGD_IF(IOCTL_DEBUG, "Failed to call ioctl MSMFB_OVERLAY_PREPARE "
181 "err=%s", strerror(errno));
182 return false;
183 }
184 return true;
185 }
186
endRotator(int fd,uint32_t sessionId)187 inline bool endRotator(int fd, uint32_t sessionId) {
188 if (ioctl(fd, MSM_ROTATOR_IOCTL_FINISH, &sessionId) < 0) {
189 ALOGE("Failed to call ioctl MSM_ROTATOR_IOCTL_FINISH err=%s",
190 strerror(errno));
191 return false;
192 }
193 return true;
194 }
195
unsetOverlay(int fd,int ovId)196 inline bool unsetOverlay(int fd, int ovId) {
197 if (ioctl(fd, MSMFB_OVERLAY_UNSET, &ovId) < 0) {
198 ALOGE("Failed to call ioctl MSMFB_OVERLAY_UNSET err=%s",
199 strerror(errno));
200 return false;
201 }
202 return true;
203 }
204
getOverlay(int fd,mdp_overlay & ov)205 inline bool getOverlay(int fd, mdp_overlay& ov) {
206 if (ioctl(fd, MSMFB_OVERLAY_GET, &ov) < 0) {
207 ALOGE("Failed to call ioctl MSMFB_OVERLAY_GET err=%s",
208 strerror(errno));
209 return false;
210 }
211 return true;
212 }
213
play(int fd,msmfb_overlay_data & od)214 inline bool play(int fd, msmfb_overlay_data& od) {
215 if (ioctl(fd, MSMFB_OVERLAY_PLAY, &od) < 0) {
216 ALOGE("Failed to call ioctl MSMFB_OVERLAY_PLAY err=%s",
217 strerror(errno));
218 return false;
219 }
220 return true;
221 }
222
set3D(int fd,msmfb_overlay_3d & ov)223 inline bool set3D(int fd, msmfb_overlay_3d& ov) {
224 if (ioctl(fd, MSMFB_OVERLAY_3D, &ov) < 0) {
225 ALOGE("Failed to call ioctl MSMFB_OVERLAY_3D err=%s",
226 strerror(errno));
227 return false;
228 }
229 return true;
230 }
231
displayCommit(int fd,mdp_display_commit & info)232 inline bool displayCommit(int fd, mdp_display_commit& info) {
233 if(ioctl(fd, MSMFB_DISPLAY_COMMIT, &info) == -1) {
234 ALOGE("Failed to call ioctl MSMFB_DISPLAY_COMMIT err=%s",
235 strerror(errno));
236 return false;
237 }
238 return true;
239 }
240
wbInitStart(int fbfd)241 inline bool wbInitStart(int fbfd) {
242 if(ioctl(fbfd, MSMFB_WRITEBACK_INIT, NULL) < 0) {
243 ALOGE("Failed to call ioctl MSMFB_WRITEBACK_INIT err=%s",
244 strerror(errno));
245 return false;
246 }
247 if(ioctl(fbfd, MSMFB_WRITEBACK_START, NULL) < 0) {
248 ALOGE("Failed to call ioctl MSMFB_WRITEBACK_START err=%s",
249 strerror(errno));
250 return false;
251 }
252 return true;
253 }
254
wbStopTerminate(int fbfd)255 inline bool wbStopTerminate(int fbfd) {
256 if(ioctl(fbfd, MSMFB_WRITEBACK_STOP, NULL) < 0) {
257 ALOGE("Failed to call ioctl MSMFB_WRITEBACK_STOP err=%s",
258 strerror(errno));
259 return false;
260 }
261 if(ioctl(fbfd, MSMFB_WRITEBACK_TERMINATE, NULL) < 0) {
262 ALOGE("Failed to call ioctl MSMFB_WRITEBACK_TERMINATE err=%s",
263 strerror(errno));
264 return false;
265 }
266 return true;
267 }
268
wbQueueBuffer(int fbfd,struct msmfb_data & fbData)269 inline bool wbQueueBuffer(int fbfd, struct msmfb_data& fbData) {
270 if(ioctl(fbfd, MSMFB_WRITEBACK_QUEUE_BUFFER, &fbData) < 0) {
271 ALOGE("Failed to call ioctl MSMFB_WRITEBACK_QUEUE_BUFFER err=%s",
272 strerror(errno));
273 return false;
274 }
275 return true;
276 }
277
wbDequeueBuffer(int fbfd,struct msmfb_data & fbData)278 inline bool wbDequeueBuffer(int fbfd, struct msmfb_data& fbData) {
279 if(ioctl(fbfd, MSMFB_WRITEBACK_DEQUEUE_BUFFER, &fbData) < 0) {
280 ALOGE("Failed to call ioctl MSMFB_WRITEBACK_DEQUEUE_BUFFER err=%s",
281 strerror(errno));
282 return false;
283 }
284 return true;
285 }
286
setSecureBuffer(int fbFd,struct msmfb_secure_config & config)287 inline bool setSecureBuffer(int fbFd, struct msmfb_secure_config& config) {
288 if(ioctl(fbFd, MSMFB_SECURE, &config) < 0) {
289 ALOGE("Failed to call ioctl MSMFB_SECURE err=%s buf_fd=%d enable=%d",
290 strerror(errno), config.fd, config.enable);
291 return false;
292 }
293 return true;
294 }
295
296 /* dump funcs */
dump(const char * const s,const msmfb_overlay_data & ov)297 inline void dump(const char* const s, const msmfb_overlay_data& ov) {
298 ALOGE("%s msmfb_overlay_data id=%d",
299 s, ov.id);
300 dump("data", ov.data);
301 }
dump(const char * const s,const msmfb_data & ov)302 inline void dump(const char* const s, const msmfb_data& ov) {
303 ALOGE("%s msmfb_data offset=%d memid=%d id=%d flags=0x%x priv=%d",
304 s, ov.offset, ov.memory_id, ov.id, ov.flags, ov.priv);
305 }
dump(const char * const s,const mdp_overlay & ov)306 inline void dump(const char* const s, const mdp_overlay& ov) {
307 ALOGE("%s mdp_overlay z=%d fg=%d alpha=%d mask=%d flags=0x%x id=%d",
308 s, ov.z_order, ov.is_fg, ov.alpha,
309 ov.transp_mask, ov.flags, ov.id);
310 dump("src", ov.src);
311 dump("src_rect", ov.src_rect);
312 dump("dst_rect", ov.dst_rect);
313 /*
314 Commented off to prevent verbose logging, since user_data could have 8 or so
315 fields which are mostly 0
316 dump("user_data", ov.user_data,
317 sizeof(ov.user_data)/sizeof(ov.user_data[0]));
318 */
319 }
dump(const char * const s,const msmfb_img & ov)320 inline void dump(const char* const s, const msmfb_img& ov) {
321 ALOGE("%s msmfb_img w=%d h=%d format=%d %s",
322 s, ov.width, ov.height, ov.format,
323 overlay::utils::getFormatString(ov.format));
324 }
dump(const char * const s,const mdp_rect & ov)325 inline void dump(const char* const s, const mdp_rect& ov) {
326 ALOGE("%s mdp_rect x=%d y=%d w=%d h=%d",
327 s, ov.x, ov.y, ov.w, ov.h);
328 }
329
dump(const char * const s,const msmfb_overlay_3d & ov)330 inline void dump(const char* const s, const msmfb_overlay_3d& ov) {
331 ALOGE("%s msmfb_overlay_3d 3d=%d w=%d h=%d",
332 s, ov.is_3d, ov.width, ov.height);
333
334 }
dump(const char * const s,const uint32_t u[],uint32_t cnt)335 inline void dump(const char* const s, const uint32_t u[], uint32_t cnt) {
336 ALOGE("%s user_data cnt=%d", s, cnt);
337 for(uint32_t i=0; i < cnt; ++i) {
338 ALOGE("i=%d val=%d", i, u[i]);
339 }
340 }
dump(const char * const s,const msm_rotator_img_info & rot)341 inline void dump(const char* const s, const msm_rotator_img_info& rot) {
342 ALOGE("%s msm_rotator_img_info sessid=%u dstx=%d dsty=%d rot=%d, ena=%d scale=%d",
343 s, rot.session_id, rot.dst_x, rot.dst_y,
344 rot.rotations, rot.enable, rot.downscale_ratio);
345 dump("src", rot.src);
346 dump("dst", rot.dst);
347 dump("src_rect", rot.src_rect);
348 }
dump(const char * const s,const msm_rotator_data_info & rot)349 inline void dump(const char* const s, const msm_rotator_data_info& rot) {
350 ALOGE("%s msm_rotator_data_info sessid=%u verkey=%d",
351 s, rot.session_id, rot.version_key);
352 dump("src", rot.src);
353 dump("dst", rot.dst);
354 dump("src_chroma", rot.src_chroma);
355 dump("dst_chroma", rot.dst_chroma);
356 }
dump(const char * const s,const fb_fix_screeninfo & finfo)357 inline void dump(const char* const s, const fb_fix_screeninfo& finfo) {
358 ALOGE("%s fb_fix_screeninfo type=%d", s, finfo.type);
359 }
dump(const char * const s,const fb_var_screeninfo & vinfo)360 inline void dump(const char* const s, const fb_var_screeninfo& vinfo) {
361 ALOGE("%s fb_var_screeninfo xres=%d yres=%d",
362 s, vinfo.xres, vinfo.yres);
363 }
364
365 } // mdp_wrapper
366
367 } // overlay
368
369 #endif // MDP_WRAPPER_H
370