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#define ATRACE_TAG (ATRACE_TAG_GRAPHICS | ATRACE_TAG_HAL)
33
34/*
35* In order to make overlay::mdp_wrapper shorter, please do something like:
36* namespace mdpwrap = overlay::mdp_wrapper;
37* */
38
39#include <linux/msm_mdp.h>
40#include <linux/msm_rotator.h>
41#include <sys/ioctl.h>
42#include <utils/Log.h>
43#include <errno.h>
44#include "overlayUtils.h"
45#include <utils/Trace.h>
46
47namespace overlay{
48
49namespace mdp_wrapper{
50/* FBIOGET_FSCREENINFO */
51bool getFScreenInfo(int fd, fb_fix_screeninfo& finfo);
52
53/* FBIOGET_VSCREENINFO */
54bool getVScreenInfo(int fd, fb_var_screeninfo& vinfo);
55
56/* FBIOPUT_VSCREENINFO */
57bool setVScreenInfo(int fd, fb_var_screeninfo& vinfo);
58
59/* MSM_ROTATOR_IOCTL_START */
60bool startRotator(int fd, msm_rotator_img_info& rot);
61
62/* MSM_ROTATOR_IOCTL_ROTATE */
63bool rotate(int fd, msm_rotator_data_info& rot);
64
65/* MSMFB_OVERLAY_SET */
66bool setOverlay(int fd, mdp_overlay& ov);
67
68/* MSM_ROTATOR_IOCTL_FINISH */
69bool endRotator(int fd, int sessionId);
70
71/* MSMFB_OVERLAY_UNSET */
72bool unsetOverlay(int fd, int ovId);
73
74/* MSMFB_OVERLAY_GET */
75bool getOverlay(int fd, mdp_overlay& ov);
76
77/* MSMFB_OVERLAY_PLAY */
78bool play(int fd, msmfb_overlay_data& od);
79
80/* MSMFB_OVERLAY_3D */
81bool set3D(int fd, msmfb_overlay_3d& ov);
82
83/* MSMFB_DISPLAY_COMMIT */
84bool displayCommit(int fd);
85
86/* MSMFB_WRITEBACK_INIT, MSMFB_WRITEBACK_START */
87bool wbInitStart(int fbfd);
88
89/* MSMFB_WRITEBACK_STOP, MSMFB_WRITEBACK_TERMINATE */
90bool wbStopTerminate(int fbfd);
91
92/* MSMFB_WRITEBACK_QUEUE_BUFFER */
93bool wbQueueBuffer(int fbfd, struct msmfb_data& fbData);
94
95/* MSMFB_WRITEBACK_DEQUEUE_BUFFER */
96bool wbDequeueBuffer(int fbfd, struct msmfb_data& fbData);
97
98/* the following are helper functions for dumping
99 * msm_mdp and friends*/
100void dump(const char* const s, const msmfb_overlay_data& ov);
101void dump(const char* const s, const msmfb_data& ov);
102void dump(const char* const s, const mdp_overlay& ov);
103void dump(const char* const s, const msmfb_overlay_3d& ov);
104void dump(const char* const s, const uint32_t u[], uint32_t cnt);
105void dump(const char* const s, const msmfb_img& ov);
106void dump(const char* const s, const mdp_rect& ov);
107
108/* and rotator */
109void dump(const char* const s, const msm_rotator_img_info& rot);
110void dump(const char* const s, const msm_rotator_data_info& rot);
111
112/* info */
113void dump(const char* const s, const fb_fix_screeninfo& finfo);
114void dump(const char* const s, const fb_var_screeninfo& vinfo);
115
116//---------------Inlines -------------------------------------
117
118inline bool getFScreenInfo(int fd, fb_fix_screeninfo& finfo) {
119    ATRACE_CALL();
120    if (ioctl(fd, FBIOGET_FSCREENINFO, &finfo) < 0) {
121        ALOGE("Failed to call ioctl FBIOGET_FSCREENINFO err=%s",
122                strerror(errno));
123        return false;
124    }
125    return true;
126}
127
128inline bool getVScreenInfo(int fd, fb_var_screeninfo& vinfo) {
129    ATRACE_CALL();
130    if (ioctl(fd, FBIOGET_VSCREENINFO, &vinfo) < 0) {
131        ALOGE("Failed to call ioctl FBIOGET_VSCREENINFO err=%s",
132                strerror(errno));
133        return false;
134    }
135    return true;
136}
137
138inline bool setVScreenInfo(int fd, fb_var_screeninfo& vinfo) {
139    ATRACE_CALL();
140    if (ioctl(fd, FBIOPUT_VSCREENINFO, &vinfo) < 0) {
141        ALOGE("Failed to call ioctl FBIOPUT_VSCREENINFO err=%s",
142                strerror(errno));
143        return false;
144    }
145    return true;
146}
147
148inline bool startRotator(int fd, msm_rotator_img_info& rot) {
149    ATRACE_CALL();
150    if (ioctl(fd, MSM_ROTATOR_IOCTL_START, &rot) < 0){
151        ALOGE("Failed to call ioctl MSM_ROTATOR_IOCTL_START err=%s",
152                strerror(errno));
153        return false;
154    }
155    return true;
156}
157
158inline bool rotate(int fd, msm_rotator_data_info& rot) {
159    ATRACE_CALL();
160    if (ioctl(fd, MSM_ROTATOR_IOCTL_ROTATE, &rot) < 0) {
161        ALOGE("Failed to call ioctl MSM_ROTATOR_IOCTL_ROTATE err=%s",
162                strerror(errno));
163        return false;
164    }
165    return true;
166}
167
168inline bool setOverlay(int fd, mdp_overlay& ov) {
169    ATRACE_CALL();
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
178inline bool endRotator(int fd, uint32_t sessionId) {
179    ATRACE_CALL();
180    if (ioctl(fd, MSM_ROTATOR_IOCTL_FINISH, &sessionId) < 0) {
181        ALOGE("Failed to call ioctl MSM_ROTATOR_IOCTL_FINISH err=%s",
182                strerror(errno));
183        return false;
184    }
185    return true;
186}
187
188inline bool unsetOverlay(int fd, int ovId) {
189    ATRACE_CALL();
190    if (ioctl(fd, MSMFB_OVERLAY_UNSET, &ovId) < 0) {
191        ALOGE("Failed to call ioctl MSMFB_OVERLAY_UNSET err=%s",
192                strerror(errno));
193        return false;
194    }
195    return true;
196}
197
198inline bool getOverlay(int fd, mdp_overlay& ov) {
199    ATRACE_CALL();
200    if (ioctl(fd, MSMFB_OVERLAY_GET, &ov) < 0) {
201        ALOGE("Failed to call ioctl MSMFB_OVERLAY_GET err=%s",
202                strerror(errno));
203        return false;
204    }
205    return true;
206}
207
208inline bool play(int fd, msmfb_overlay_data& od) {
209    ATRACE_CALL();
210    if (ioctl(fd, MSMFB_OVERLAY_PLAY, &od) < 0) {
211        ALOGE("Failed to call ioctl MSMFB_OVERLAY_PLAY err=%s",
212                strerror(errno));
213        return false;
214    }
215    return true;
216}
217
218inline bool set3D(int fd, msmfb_overlay_3d& ov) {
219    ATRACE_CALL();
220    if (ioctl(fd, MSMFB_OVERLAY_3D, &ov) < 0) {
221        ALOGE("Failed to call ioctl MSMFB_OVERLAY_3D err=%s",
222                strerror(errno));
223        return false;
224    }
225    return true;
226}
227
228inline bool displayCommit(int fd, mdp_display_commit& info) {
229    ATRACE_CALL();
230    if(ioctl(fd, MSMFB_DISPLAY_COMMIT, &info) == -1) {
231        ALOGE("Failed to call ioctl MSMFB_DISPLAY_COMMIT err=%s",
232                strerror(errno));
233        return false;
234    }
235    return true;
236}
237
238inline bool wbInitStart(int fbfd) {
239    ATRACE_CALL();
240    if(ioctl(fbfd, MSMFB_WRITEBACK_INIT, NULL) < 0) {
241        ALOGE("Failed to call ioctl MSMFB_WRITEBACK_INIT err=%s",
242                strerror(errno));
243        return false;
244    }
245    if(ioctl(fbfd, MSMFB_WRITEBACK_START, NULL) < 0) {
246        ALOGE("Failed to call ioctl MSMFB_WRITEBACK_START err=%s",
247                strerror(errno));
248        return false;
249    }
250    return true;
251}
252
253inline bool wbStopTerminate(int fbfd) {
254    ATRACE_CALL();
255    if(ioctl(fbfd, MSMFB_WRITEBACK_STOP, NULL) < 0) {
256        ALOGE("Failed to call ioctl MSMFB_WRITEBACK_STOP err=%s",
257                strerror(errno));
258        return false;
259    }
260    if(ioctl(fbfd, MSMFB_WRITEBACK_TERMINATE, NULL) < 0) {
261        ALOGE("Failed to call ioctl MSMFB_WRITEBACK_TERMINATE err=%s",
262                strerror(errno));
263        return false;
264    }
265    return true;
266}
267
268inline bool wbQueueBuffer(int fbfd, struct msmfb_data& fbData) {
269    ATRACE_CALL();
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
278inline bool wbDequeueBuffer(int fbfd, struct msmfb_data& fbData) {
279    ATRACE_CALL();
280    if(ioctl(fbfd, MSMFB_WRITEBACK_DEQUEUE_BUFFER, &fbData) < 0) {
281        ALOGE("Failed to call ioctl MSMFB_WRITEBACK_DEQUEUE_BUFFER err=%s",
282                strerror(errno));
283        return false;
284    }
285    return true;
286}
287
288/* dump funcs */
289inline void dump(const char* const s, const msmfb_overlay_data& ov) {
290    ALOGE("%s msmfb_overlay_data id=%d",
291            s, ov.id);
292    dump("data", ov.data);
293}
294inline void dump(const char* const s, const msmfb_data& ov) {
295    ALOGE("%s msmfb_data offset=%d memid=%d id=%d flags=0x%x priv=%d",
296            s, ov.offset, ov.memory_id, ov.id, ov.flags, ov.priv);
297}
298inline void dump(const char* const s, const mdp_overlay& ov) {
299    ALOGE("%s mdp_overlay z=%d fg=%d alpha=%d mask=%d flags=0x%x id=%d",
300            s, ov.z_order, ov.is_fg, ov.alpha,
301            ov.transp_mask, ov.flags, ov.id);
302    dump("src", ov.src);
303    dump("src_rect", ov.src_rect);
304    dump("dst_rect", ov.dst_rect);
305    /*
306    Commented off to prevent verbose logging, since user_data could have 8 or so
307    fields which are mostly 0
308    dump("user_data", ov.user_data,
309            sizeof(ov.user_data)/sizeof(ov.user_data[0]));
310    */
311}
312inline void dump(const char* const s, const msmfb_img& ov) {
313    ALOGE("%s msmfb_img w=%d h=%d format=%d %s",
314            s, ov.width, ov.height, ov.format,
315            overlay::utils::getFormatString(ov.format));
316}
317inline void dump(const char* const s, const mdp_rect& ov) {
318    ALOGE("%s mdp_rect x=%d y=%d w=%d h=%d",
319            s, ov.x, ov.y, ov.w, ov.h);
320}
321
322inline void dump(const char* const s, const msmfb_overlay_3d& ov) {
323    ALOGE("%s msmfb_overlay_3d 3d=%d w=%d h=%d",
324            s, ov.is_3d, ov.width, ov.height);
325
326}
327inline void dump(const char* const s, const uint32_t u[], uint32_t cnt) {
328    ALOGE("%s user_data cnt=%d", s, cnt);
329    for(uint32_t i=0; i < cnt; ++i) {
330        ALOGE("i=%d val=%d", i, u[i]);
331    }
332}
333inline void dump(const char* const s, const msm_rotator_img_info& rot) {
334    ALOGE("%s msm_rotator_img_info sessid=%u dstx=%d dsty=%d rot=%d, ena=%d scale=%d",
335            s, rot.session_id, rot.dst_x, rot.dst_y,
336            rot.rotations, rot.enable, rot.downscale_ratio);
337    dump("src", rot.src);
338    dump("dst", rot.dst);
339    dump("src_rect", rot.src_rect);
340}
341inline void dump(const char* const s, const msm_rotator_data_info& rot) {
342    ALOGE("%s msm_rotator_data_info sessid=%u verkey=%d",
343            s, rot.session_id, rot.version_key);
344    dump("src", rot.src);
345    dump("dst", rot.dst);
346    dump("src_chroma", rot.src_chroma);
347    dump("dst_chroma", rot.dst_chroma);
348}
349inline void dump(const char* const s, const fb_fix_screeninfo& finfo) {
350    ALOGE("%s fb_fix_screeninfo type=%d", s, finfo.type);
351}
352inline void dump(const char* const s, const fb_var_screeninfo& vinfo) {
353    ALOGE("%s fb_var_screeninfo xres=%d yres=%d",
354            s, vinfo.xres, vinfo.yres);
355}
356
357} // mdp_wrapper
358
359} // overlay
360
361#endif // MDP_WRAPPER_H
362