1/*
2* Copyright (C) 2008 The Android Open Source Project
3* Copyright (c) 2010-2013, The Linux Foundation. All rights reserved.
4*
5* Licensed under the Apache License, Version 2.0 (the "License");
6* you may not use this file except in compliance with the License.
7* You may obtain a copy of the License at
8*
9*      http://www.apache.org/licenses/LICENSE-2.0
10*
11* Unless required by applicable law or agreed to in writing, software
12* distributed under the License is distributed on an "AS IS" BASIS,
13* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14* See the License for the specific language governing permissions and
15* limitations under the License.
16*/
17
18#ifndef OVERLAY_MDP_H
19#define OVERLAY_MDP_H
20
21#include <linux/msm_mdp.h>
22
23#include "overlayUtils.h"
24#include "mdpWrapper.h"
25#include "qdMetaData.h"
26#ifdef USES_POST_PROCESSING
27#include "lib-postproc.h"
28#endif
29
30namespace overlay{
31
32/*
33* Mdp Ctrl holds corresponding fd and MDP related struct.
34* It is simple wrapper to MDP services
35* */
36class MdpCtrl {
37public:
38    /* ctor reset */
39    explicit MdpCtrl(const int& dpy);
40    /* dtor close */
41    ~MdpCtrl();
42    /* init underlying device using fbnum for dpy */
43    bool init(const int& dpy);
44    /* unset overlay, reset and close fd */
45    bool close();
46    /* reset and set ov id to -1 / MSMFB_NEW_REQUEST */
47    void reset();
48    /* calls overlay set
49     * Set would always consult last good known ov instance.
50     * Only if it is different, set would actually exectue ioctl.
51     * On a sucess ioctl. last good known ov instance is updated */
52    bool set();
53    /* Sets the source total width, height, format */
54    void setSource(const utils::PipeArgs& pargs);
55    /*
56     * Sets ROI, the unpadded region, for source buffer.
57     * Dim - ROI dimensions.
58     */
59    void setCrop(const utils::Dim& d);
60    /* set color for mdp pipe */
61    void setColor(const uint32_t color);
62    void setTransform(const utils::eTransform& orient);
63    /* given a dim and w/h, set overlay dim */
64    void setPosition(const utils::Dim& dim);
65    /* using user_data, sets/unsets roationvalue in mdp flags */
66    void setRotationFlags();
67    /* Performs downscale calculations */
68    void setDownscale(int dscale_factor);
69    /* Update the src format with rotator's dest*/
70    void updateSrcFormat(const uint32_t& rotDstFormat);
71    /* dump state of the object */
72    void dump() const;
73    /* Return the dump in the specified buffer */
74    void getDump(char *buf, size_t len);
75    /* returns session id */
76    int getPipeId() const;
77    /* returns the fd associated to ctrl*/
78    int getFd() const;
79    /* returns a copy ro dst rect dim */
80    utils::Dim getDstRectDim() const;
81    /* returns a copy to src rect dim */
82    utils::Dim getSrcRectDim() const;
83    /* return pipe priority */
84    uint8_t getPriority() const;
85    /* setVisualParam */
86    bool setVisualParams(const MetaData_t& data);
87
88    static bool validateAndSet(MdpCtrl* mdpCtrlArray[], const int& count,
89            const int& fbFd);
90private:
91    /* Perform transformation calculations */
92    void doTransform();
93    void doDownscale();
94    /* get orient / user_data[0] */
95    int getOrient() const;
96    /* returns flags from mdp structure */
97    int getFlags() const;
98    /* set flags to mdp structure */
99    void setFlags(int f);
100    /* set z order */
101    void setZ(utils::eZorder z);
102    /* set isFg flag */
103    void setIsFg(utils::eIsFg isFg);
104    /* return a copy of src whf*/
105    utils::Whf getSrcWhf() const;
106    /* set plane alpha */
107    void setPlaneAlpha(int planeAlpha);
108    /* set blending method */
109    void setBlending(overlay::utils::eBlending blending);
110
111    /* set src whf */
112    void setSrcWhf(const utils::Whf& whf);
113    /* set src/dst rect dim */
114    void setSrcRectDim(const utils::Dim d);
115    void setDstRectDim(const utils::Dim d);
116    /* returns user_data[0]*/
117    int getUserData() const;
118    /* sets user_data[0] */
119    void setUserData(int v);
120
121    utils::eTransform mOrientation; //Holds requested orientation
122    /* Actual overlay mdp structure */
123    mdp_overlay   mOVInfo;
124    /* FD for the mdp fbnum */
125    OvFD          mFd;
126    int mDownscale;
127    int mDpy;
128
129#ifdef USES_POST_PROCESSING
130    /* PP Compute Params */
131    struct compute_params mParams;
132#endif
133};
134
135
136/* MDP 3D related ctrl */
137class MdpCtrl3D {
138public:
139    /* ctor reset data */
140    MdpCtrl3D();
141    /* calls MSMFB_OVERLAY_3D */
142    bool close();
143    /* set w/h. format is ignored*/
144    void setWh(const utils::Whf& whf);
145    /* set is_3d calls MSMFB_OVERLAY_3D */
146    bool useVirtualFB();
147    /* set fd to be used in ioctl */
148    void setFd(int fd);
149    /* dump */
150    void dump() const;
151private:
152    /* reset */
153    void reset();
154    /* actual MSM 3D info */
155    msmfb_overlay_3d m3DOVInfo;
156    /* FD for the mdp 3D */
157    OvFD mFd;
158};
159
160/* MDP data */
161class MdpData {
162public:
163    /* ctor reset data */
164    explicit MdpData(const int& dpy);
165    /* dtor close*/
166    ~MdpData();
167    /* init FD */
168    bool init(const int& dpy);
169    /* memset0 the underlying mdp object */
170    void reset();
171    /* close fd, and reset */
172    bool close();
173    /* set id of mdp data */
174    void setPipeId(int id);
175    /* return ses id of data */
176    int getPipeId() const;
177    /* get underlying fd*/
178    int getFd() const;
179    /* get memory_id */
180    int getSrcMemoryId() const;
181    /* calls wrapper play */
182    bool play(int fd, uint32_t offset);
183    /* dump state of the object */
184    void dump() const;
185    /* Return the dump in the specified buffer */
186    void getDump(char *buf, size_t len);
187
188private:
189
190    /* actual overlay mdp data */
191    msmfb_overlay_data mOvData;
192    /* fd to mdp fbnum */
193    OvFD mFd;
194};
195
196//--------------Inlines---------------------------------
197
198/////   MdpCtrl  //////
199
200inline MdpCtrl::MdpCtrl(const int& dpy) {
201    reset();
202    init(dpy);
203}
204
205inline MdpCtrl::~MdpCtrl() {
206    close();
207}
208
209inline int MdpCtrl::getOrient() const {
210    return getUserData();
211}
212
213inline int MdpCtrl::getPipeId() const {
214    return mOVInfo.id;
215}
216
217inline int MdpCtrl::getFd() const {
218    return mFd.getFD();
219}
220
221inline int MdpCtrl::getFlags() const {
222    return mOVInfo.flags;
223}
224
225inline void MdpCtrl::setFlags(int f) {
226    mOVInfo.flags = f;
227}
228
229inline void MdpCtrl::setZ(overlay::utils::eZorder z) {
230    mOVInfo.z_order = z;
231}
232
233inline void MdpCtrl::setIsFg(overlay::utils::eIsFg isFg) {
234    mOVInfo.is_fg = isFg;
235}
236
237inline void MdpCtrl::setDownscale(int dscale) {
238    mDownscale = dscale;
239}
240
241inline void MdpCtrl::setPlaneAlpha(int planeAlpha) {
242    mOVInfo.alpha = planeAlpha;
243}
244
245inline void MdpCtrl::setBlending(overlay::utils::eBlending blending) {
246    switch((int) blending) {
247    case utils::OVERLAY_BLENDING_OPAQUE:
248        mOVInfo.blend_op = BLEND_OP_OPAQUE;
249        break;
250    case utils::OVERLAY_BLENDING_PREMULT:
251        mOVInfo.blend_op = BLEND_OP_PREMULTIPLIED;
252        break;
253    case utils::OVERLAY_BLENDING_COVERAGE:
254    default:
255        mOVInfo.blend_op = BLEND_OP_COVERAGE;
256    }
257}
258
259inline overlay::utils::Whf MdpCtrl::getSrcWhf() const {
260    return utils::Whf(  mOVInfo.src.width,
261                        mOVInfo.src.height,
262                        mOVInfo.src.format);
263}
264
265inline void MdpCtrl::setSrcWhf(const overlay::utils::Whf& whf) {
266    mOVInfo.src.width  = whf.w;
267    mOVInfo.src.height = whf.h;
268    mOVInfo.src.format = whf.format;
269}
270
271inline overlay::utils::Dim MdpCtrl::getSrcRectDim() const {
272    return utils::Dim(  mOVInfo.src_rect.x,
273                        mOVInfo.src_rect.y,
274                        mOVInfo.src_rect.w,
275                        mOVInfo.src_rect.h);
276}
277
278inline void MdpCtrl::setSrcRectDim(const overlay::utils::Dim d) {
279    mOVInfo.src_rect.x = d.x;
280    mOVInfo.src_rect.y = d.y;
281    mOVInfo.src_rect.w = d.w;
282    mOVInfo.src_rect.h = d.h;
283}
284
285inline overlay::utils::Dim MdpCtrl::getDstRectDim() const {
286    return utils::Dim(  mOVInfo.dst_rect.x,
287                        mOVInfo.dst_rect.y,
288                        mOVInfo.dst_rect.w,
289                        mOVInfo.dst_rect.h);
290}
291
292inline void MdpCtrl::setDstRectDim(const overlay::utils::Dim d) {
293    mOVInfo.dst_rect.x = d.x;
294    mOVInfo.dst_rect.y = d.y;
295    mOVInfo.dst_rect.w = d.w;
296    mOVInfo.dst_rect.h = d.h;
297}
298
299inline int MdpCtrl::getUserData() const { return mOVInfo.user_data[0]; }
300
301inline void MdpCtrl::setUserData(int v) { mOVInfo.user_data[0] = v; }
302
303inline void MdpCtrl::setRotationFlags() {
304    const int u = getUserData();
305    if (u & MDP_ROT_90)
306        mOVInfo.flags |= MDP_SOURCE_ROTATED_90;
307}
308
309inline uint8_t MdpCtrl::getPriority() const {
310    return mOVInfo.priority;
311}
312
313///////    MdpCtrl3D //////
314
315inline MdpCtrl3D::MdpCtrl3D() { reset(); }
316inline bool MdpCtrl3D::close() {
317    if (m3DOVInfo.is_3d) {
318        m3DOVInfo.is_3d = 0;
319        if(!mdp_wrapper::set3D(mFd.getFD(), m3DOVInfo)) {
320            ALOGE("MdpCtrl3D close failed set3D with 0");
321            return false;
322        }
323    }
324    reset();
325    return true;
326}
327inline void MdpCtrl3D::reset() {
328    utils::memset0(m3DOVInfo);
329}
330
331inline void MdpCtrl3D::setFd(int fd) {
332    mFd.copy(fd);
333    OVASSERT(mFd.valid(), "MdpCtrl3D setFd, FD should be valid");
334}
335
336inline void MdpCtrl3D::setWh(const utils::Whf& whf) {
337    // ignore fmt. Needed for useVirtualFB callflow
338    m3DOVInfo.width = whf.w;
339    m3DOVInfo.height = whf.h;
340}
341
342inline bool MdpCtrl3D::useVirtualFB() {
343    if(!m3DOVInfo.is_3d) {
344        m3DOVInfo.is_3d = 1;
345        if(!mdp_wrapper::set3D(mFd.getFD(), m3DOVInfo)) {
346            ALOGE("MdpCtrl3D close failed set3D with 0");
347            return false;
348        }
349    }
350    return true;
351}
352
353///////    MdpData   //////
354
355inline MdpData::MdpData(const int& dpy) {
356    reset();
357    init(dpy);
358}
359
360inline MdpData::~MdpData() { close(); }
361
362inline void MdpData::reset() {
363    overlay::utils::memset0(mOvData);
364    mOvData.data.memory_id = -1;
365}
366
367inline bool MdpData::close() {
368    reset();
369    return mFd.close();
370}
371
372inline int MdpData::getSrcMemoryId() const { return mOvData.data.memory_id; }
373
374inline void MdpData::setPipeId(int id) { mOvData.id = id; }
375
376inline int MdpData::getPipeId() const { return mOvData.id; }
377
378inline int MdpData::getFd() const { return mFd.getFD(); }
379
380inline bool MdpData::play(int fd, uint32_t offset) {
381    mOvData.data.memory_id = fd;
382    mOvData.data.offset = offset;
383    if(!mdp_wrapper::play(mFd.getFD(), mOvData)){
384        ALOGE("MdpData failed to play");
385        dump();
386        return false;
387    }
388    return true;
389}
390
391} // overlay
392
393#endif // OVERLAY_MDP_H
394