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 namespace overlay{
46
47 namespace mdp_wrapper{
48 /* FBIOGET_FSCREENINFO */
49 bool getFScreenInfo(int fd, fb_fix_screeninfo& finfo);
50
51 /* FBIOGET_VSCREENINFO */
52 bool getVScreenInfo(int fd, fb_var_screeninfo& vinfo);
53
54 /* FBIOPUT_VSCREENINFO */
55 bool setVScreenInfo(int fd, fb_var_screeninfo& vinfo);
56
57 /* MSM_ROTATOR_IOCTL_START */
58 bool startRotator(int fd, msm_rotator_img_info& rot);
59
60 /* MSM_ROTATOR_IOCTL_ROTATE */
61 bool rotate(int fd, msm_rotator_data_info& rot);
62
63 /* MSMFB_OVERLAY_SET */
64 bool setOverlay(int fd, mdp_overlay& ov);
65
66 /* MSM_ROTATOR_IOCTL_FINISH */
67 bool endRotator(int fd, int sessionId);
68
69 /* MSMFB_OVERLAY_UNSET */
70 bool unsetOverlay(int fd, int ovId);
71
72 /* MSMFB_OVERLAY_GET */
73 bool getOverlay(int fd, mdp_overlay& ov);
74
75 /* MSMFB_OVERLAY_PLAY */
76 bool play(int fd, msmfb_overlay_data& od);
77
78 /* MSMFB_OVERLAY_3D */
79 bool set3D(int fd, msmfb_overlay_3d& ov);
80
81 /* the following are helper functions for dumping
82 * msm_mdp and friends*/
83 void dump(const char* const s, const msmfb_overlay_data& ov);
84 void dump(const char* const s, const msmfb_data& ov);
85 void dump(const char* const s, const mdp_overlay& ov);
86 void dump(const char* const s, const msmfb_overlay_3d& ov);
87 void dump(const char* const s, const uint32_t u[], uint32_t cnt);
88 void dump(const char* const s, const msmfb_img& ov);
89 void dump(const char* const s, const mdp_rect& ov);
90
91 /* and rotator */
92 void dump(const char* const s, const msm_rotator_img_info& rot);
93 void dump(const char* const s, const msm_rotator_data_info& rot);
94
95 /* info */
96 void dump(const char* const s, const fb_fix_screeninfo& finfo);
97 void dump(const char* const s, const fb_var_screeninfo& vinfo);
98
99 //---------------Inlines -------------------------------------
100
getFScreenInfo(int fd,fb_fix_screeninfo & finfo)101 inline bool getFScreenInfo(int fd, fb_fix_screeninfo& finfo) {
102 if (ioctl(fd, FBIOGET_FSCREENINFO, &finfo) < 0) {
103 ALOGE("Failed to call ioctl FBIOGET_FSCREENINFO err=%s",
104 strerror(errno));
105 return false;
106 }
107 return true;
108 }
109
getVScreenInfo(int fd,fb_var_screeninfo & vinfo)110 inline bool getVScreenInfo(int fd, fb_var_screeninfo& vinfo) {
111 if (ioctl(fd, FBIOGET_VSCREENINFO, &vinfo) < 0) {
112 ALOGE("Failed to call ioctl FBIOGET_VSCREENINFO err=%s",
113 strerror(errno));
114 return false;
115 }
116 return true;
117 }
118
setVScreenInfo(int fd,fb_var_screeninfo & vinfo)119 inline bool setVScreenInfo(int fd, fb_var_screeninfo& vinfo) {
120 if (ioctl(fd, FBIOPUT_VSCREENINFO, &vinfo) < 0) {
121 ALOGE("Failed to call ioctl FBIOPUT_VSCREENINFO err=%s",
122 strerror(errno));
123 return false;
124 }
125 return true;
126 }
127
startRotator(int fd,msm_rotator_img_info & rot)128 inline bool startRotator(int fd, msm_rotator_img_info& rot) {
129 if (ioctl(fd, MSM_ROTATOR_IOCTL_START, &rot) < 0){
130 ALOGE("Failed to call ioctl MSM_ROTATOR_IOCTL_START err=%s",
131 strerror(errno));
132 return false;
133 }
134 return true;
135 }
136
rotate(int fd,msm_rotator_data_info & rot)137 inline bool rotate(int fd, msm_rotator_data_info& rot) {
138 if (ioctl(fd, MSM_ROTATOR_IOCTL_ROTATE, &rot) < 0) {
139 ALOGE("Failed to call ioctl MSM_ROTATOR_IOCTL_ROTATE err=%s",
140 strerror(errno));
141 return false;
142 }
143 return true;
144 }
145
setOverlay(int fd,mdp_overlay & ov)146 inline bool setOverlay(int fd, mdp_overlay& ov) {
147 if (ioctl(fd, MSMFB_OVERLAY_SET, &ov) < 0) {
148 ALOGE("Failed to call ioctl MSMFB_OVERLAY_SET err=%s",
149 strerror(errno));
150 return false;
151 }
152 return true;
153 }
154
endRotator(int fd,uint32_t sessionId)155 inline bool endRotator(int fd, uint32_t sessionId) {
156 if (ioctl(fd, MSM_ROTATOR_IOCTL_FINISH, &sessionId) < 0) {
157 ALOGE("Failed to call ioctl MSM_ROTATOR_IOCTL_FINISH err=%s",
158 strerror(errno));
159 return false;
160 }
161 return true;
162 }
163
unsetOverlay(int fd,int ovId)164 inline bool unsetOverlay(int fd, int ovId) {
165 if (ioctl(fd, MSMFB_OVERLAY_UNSET, &ovId) < 0) {
166 ALOGE("Failed to call ioctl MSMFB_OVERLAY_UNSET err=%s",
167 strerror(errno));
168 return false;
169 }
170 return true;
171 }
172
getOverlay(int fd,mdp_overlay & ov)173 inline bool getOverlay(int fd, mdp_overlay& ov) {
174 if (ioctl(fd, MSMFB_OVERLAY_GET, &ov) < 0) {
175 ALOGE("Failed to call ioctl MSMFB_OVERLAY_GET err=%s",
176 strerror(errno));
177 return false;
178 }
179 return true;
180 }
181
play(int fd,msmfb_overlay_data & od)182 inline bool play(int fd, msmfb_overlay_data& od) {
183 if (ioctl(fd, MSMFB_OVERLAY_PLAY, &od) < 0) {
184 ALOGE("Failed to call ioctl MSMFB_OVERLAY_PLAY err=%s",
185 strerror(errno));
186 return false;
187 }
188 return true;
189 }
190
set3D(int fd,msmfb_overlay_3d & ov)191 inline bool set3D(int fd, msmfb_overlay_3d& ov) {
192 if (ioctl(fd, MSMFB_OVERLAY_3D, &ov) < 0) {
193 ALOGE("Failed to call ioctl MSMFB_OVERLAY_3D err=%s",
194 strerror(errno));
195 return false;
196 }
197 return true;
198 }
199
200 /* dump funcs */
dump(const char * const s,const msmfb_overlay_data & ov)201 inline void dump(const char* const s, const msmfb_overlay_data& ov) {
202 ALOGE("%s msmfb_overlay_data id=%d",
203 s, ov.id);
204 dump("data", ov.data);
205 }
dump(const char * const s,const msmfb_data & ov)206 inline void dump(const char* const s, const msmfb_data& ov) {
207 ALOGE("%s msmfb_data offset=%d memid=%d id=%d flags=0x%x priv=%d",
208 s, ov.offset, ov.memory_id, ov.id, ov.flags, ov.priv);
209 }
dump(const char * const s,const mdp_overlay & ov)210 inline void dump(const char* const s, const mdp_overlay& ov) {
211 ALOGE("%s mdp_overlay z=%d fg=%d alpha=%d mask=%d flags=0x%x id=%d",
212 s, ov.z_order, ov.is_fg, ov.alpha,
213 ov.transp_mask, ov.flags, ov.id);
214 dump("src", ov.src);
215 dump("src_rect", ov.src_rect);
216 dump("dst_rect", ov.dst_rect);
217 /*
218 Commented off to prevent verbose logging, since user_data could have 8 or so
219 fields which are mostly 0
220 dump("user_data", ov.user_data,
221 sizeof(ov.user_data)/sizeof(ov.user_data[0]));
222 */
223 }
dump(const char * const s,const msmfb_img & ov)224 inline void dump(const char* const s, const msmfb_img& ov) {
225 ALOGE("%s msmfb_img w=%d h=%d format=%d %s",
226 s, ov.width, ov.height, ov.format,
227 overlay::utils::getFormatString(ov.format));
228 }
dump(const char * const s,const mdp_rect & ov)229 inline void dump(const char* const s, const mdp_rect& ov) {
230 ALOGE("%s mdp_rect x=%d y=%d w=%d h=%d",
231 s, ov.x, ov.y, ov.w, ov.h);
232 }
233
dump(const char * const s,const msmfb_overlay_3d & ov)234 inline void dump(const char* const s, const msmfb_overlay_3d& ov) {
235 ALOGE("%s msmfb_overlay_3d 3d=%d w=%d h=%d",
236 s, ov.is_3d, ov.width, ov.height);
237
238 }
dump(const char * const s,const uint32_t u[],uint32_t cnt)239 inline void dump(const char* const s, const uint32_t u[], uint32_t cnt) {
240 ALOGE("%s user_data cnt=%d", s, cnt);
241 for(uint32_t i=0; i < cnt; ++i) {
242 ALOGE("i=%d val=%d", i, u[i]);
243 }
244 }
dump(const char * const s,const msm_rotator_img_info & rot)245 inline void dump(const char* const s, const msm_rotator_img_info& rot) {
246 ALOGE("%s msm_rotator_img_info sessid=%u dstx=%d dsty=%d rot=%d, ena=%d scale=%d",
247 s, rot.session_id, rot.dst_x, rot.dst_y,
248 rot.rotations, rot.enable, rot.downscale_ratio);
249 dump("src", rot.src);
250 dump("dst", rot.dst);
251 dump("src_rect", rot.src_rect);
252 }
dump(const char * const s,const msm_rotator_data_info & rot)253 inline void dump(const char* const s, const msm_rotator_data_info& rot) {
254 ALOGE("%s msm_rotator_data_info sessid=%u verkey=%d",
255 s, rot.session_id, rot.version_key);
256 dump("src", rot.src);
257 dump("dst", rot.dst);
258 dump("src_chroma", rot.src_chroma);
259 dump("dst_chroma", rot.dst_chroma);
260 }
dump(const char * const s,const fb_fix_screeninfo & finfo)261 inline void dump(const char* const s, const fb_fix_screeninfo& finfo) {
262 ALOGE("%s fb_fix_screeninfo type=%d", s, finfo.type);
263 }
dump(const char * const s,const fb_var_screeninfo & vinfo)264 inline void dump(const char* const s, const fb_var_screeninfo& vinfo) {
265 ALOGE("%s fb_var_screeninfo xres=%d yres=%d",
266 s, vinfo.xres, vinfo.yres);
267 }
268
269 } // mdp_wrapper
270
271 } // overlay
272
273 #endif // MDP_WRAPPER_H
274