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Naseer Ahmeda87da602012-07-01 23:54:19 -07001/*
Arun Kumar K.Rf15adc02014-01-21 21:26:25 -08002 * Copyright (c) 2012-2014, The Linux Foundation. All rights reserved.
Naseer Ahmeda87da602012-07-01 23:54:19 -07003
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.
Duy Truong73d36df2013-02-09 20:33:23 -080013 * * Neither the name of The Linux Foundation nor the names of its
Naseer Ahmeda87da602012-07-01 23:54:19 -070014 * 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#include <cutils/log.h>
Sushil Chauhan07a2c762013-03-06 15:36:49 -080030#include <linux/msm_mdp.h>
Naseer Ahmeda87da602012-07-01 23:54:19 -070031#include "mdp_version.h"
Tatenda Chipeperekwace8d5c42014-08-13 10:53:49 -070032#include "qd_utils.h"
Naseer Ahmeda87da602012-07-01 23:54:19 -070033
manoj kumar amara venkata mastanbc05ef02013-09-17 19:29:32 -070034#define DEBUG 0
35
Naseer Ahmeda87da602012-07-01 23:54:19 -070036ANDROID_SINGLETON_STATIC_INSTANCE(qdutils::MDPVersion);
37namespace qdutils {
38
manoj kumar amara venkata mastanbc05ef02013-09-17 19:29:32 -070039#define TOKEN_PARAMS_DELIM "="
40
Prabhanjan Kandula5bae9f52014-05-15 16:48:18 +053041// chip variants have same major number and minor numbers usually vary
42// for e.g., MDSS_MDP_HW_REV_101 is 0x10010000
43// 1001 - major number
44// 0000 - minor number
45// 8x26 v1 minor number is 0000
46// v2 minor number is 0001 etc..
Naseer Ahmed9de83322014-04-11 20:09:37 -040047#ifndef MDSS_MDP_HW_REV_100
48#define MDSS_MDP_HW_REV_100 0x10000000 //8974 v1
49#endif
50#ifndef MDSS_MDP_HW_REV_101
51#define MDSS_MDP_HW_REV_101 0x10010000 //8x26
52#endif
53#ifndef MDSS_MDP_HW_REV_102
54#define MDSS_MDP_HW_REV_102 0x10020000 //8974 v2
55#endif
56#ifndef MDSS_MDP_HW_REV_103
57#define MDSS_MDP_HW_REV_103 0x10030000 //8084
58#endif
59#ifndef MDSS_MDP_HW_REV_104
60#define MDSS_MDP_HW_REV_104 0x10040000 //Next version
61#endif
62#ifndef MDSS_MDP_HW_REV_105
Saurabh Shah5a0a9ce2014-07-02 10:45:42 -070063#define MDSS_MDP_HW_REV_105 0x10050000 //8994
Naseer Ahmed9de83322014-04-11 20:09:37 -040064#endif
65#ifndef MDSS_MDP_HW_REV_106
66#define MDSS_MDP_HW_REV_106 0x10060000 //8x16
67#endif
68#ifndef MDSS_MDP_HW_REV_107
69#define MDSS_MDP_HW_REV_107 0x10070000 //Next version
70#endif
Prabhanjan Kandula15a87372014-05-12 14:49:03 +053071#ifndef MDSS_MDP_HW_REV_108
72#define MDSS_MDP_HW_REV_108 0x10080000 //8x39 & 8x36
73#endif
74#ifndef MDSS_MDP_HW_REV_109
75#define MDSS_MDP_HW_REV_109 0x10090000 //Next version
76#endif
Naseer Ahmed9de83322014-04-11 20:09:37 -040077#ifndef MDSS_MDP_HW_REV_200
78#define MDSS_MDP_HW_REV_200 0x20000000 //8092
79#endif
80#ifndef MDSS_MDP_HW_REV_206
81#define MDSS_MDP_HW_REV_206 0x20060000 //Future
Saurabh Shahd3877632014-01-07 09:29:03 -080082#endif
83
Naseer Ahmed96c4c952012-07-25 18:27:14 -070084MDPVersion::MDPVersion()
Naseer Ahmeda87da602012-07-01 23:54:19 -070085{
Manoj Kumar AVMc65ec612013-11-21 09:20:29 -080086 mMDPVersion = MDSS_V5;
Sushil Chauhan07a2c762013-03-06 15:36:49 -080087 mMdpRev = 0;
Saurabh Shahbd2d0832013-04-04 14:33:08 -070088 mRGBPipes = 0;
89 mVGPipes = 0;
Sushil Chauhan07a2c762013-03-06 15:36:49 -080090 mDMAPipes = 0;
Saurabh Shahbd2d0832013-04-04 14:33:08 -070091 mFeatures = 0;
Raj Kamal389d6e32014-08-04 14:43:24 +053092 mMDPUpscale = 1;
93 mMDPDownscale = 1;
Manoj Kumar AVM8a220812013-10-10 11:46:06 -070094 mMacroTileEnabled = false;
Saurabh Shah8ee5e892013-11-25 10:51:40 -080095 mLowBw = 0;
96 mHighBw = 0;
Saurabh Shahab47c692014-02-12 18:45:57 -080097 mSourceSplit = false;
Saurabh Shahea7a01d2014-05-22 17:45:36 -070098 mSourceSplitAlways = false;
radhakrishna2e792f92014-03-13 11:39:33 +053099 mRGBHasNoScalar = false;
Saurabh Shah65b710c2014-07-03 15:30:16 -0700100 mRotDownscale = false;
Sushil Chauhan07a2c762013-03-06 15:36:49 -0800101
Prabhanjan Kandula5bae9f52014-05-15 16:48:18 +0530102 // this is the default limit of mixer unless driver reports it.
103 // For resolutions beyond this, we use dual/split overlay pipes.
104 mMaxMixerWidth = 2048;
105
Jeykumar Sankaran3e308322014-03-06 10:17:38 -0800106 updatePanelInfo();
107
Manoj Kumar AVMc65ec612013-11-21 09:20:29 -0800108 if(!updateSysFsInfo()) {
109 ALOGE("Unable to read display sysfs node");
110 }
111 if (mMdpRev == MDP_V3_0_4){
112 mMDPVersion = MDP_V3_0_4;
113 }
Shivaraj Shetty9a3288f2014-09-08 14:48:11 +0530114 else if (mMdpRev == MDP_V3_0_5){
115 mMDPVersion = MDP_V3_0_5;
116 }
Manoj Kumar AVMc65ec612013-11-21 09:20:29 -0800117
Naseer Ahmed96c4c952012-07-25 18:27:14 -0700118 mHasOverlay = false;
Xiaoming Zhou530f8612013-05-01 20:53:06 -0400119 if((mMDPVersion >= MDP_V4_0) ||
120 (mMDPVersion == MDP_V_UNKNOWN) ||
Shivaraj Shetty9a3288f2014-09-08 14:48:11 +0530121 (mMDPVersion == MDP_V3_0_4) ||
122 (mMDPVersion == MDP_V3_0_5))
Naseer Ahmeda87da602012-07-01 23:54:19 -0700123 mHasOverlay = true;
Manoj Kumar AVMc65ec612013-11-21 09:20:29 -0800124 if(!updateSplitInfo()) {
125 ALOGE("Unable to read display split node");
Saurabh Shah67a38c32013-06-10 16:23:15 -0700126 }
Naseer Ahmeda87da602012-07-01 23:54:19 -0700127}
Saurabh Shahbd2d0832013-04-04 14:33:08 -0700128
Xiaoming Zhou3da712a2013-07-04 14:37:45 -0400129MDPVersion::~MDPVersion() {
130 close(mFd);
131}
132
manoj kumar amara venkata mastanbc05ef02013-09-17 19:29:32 -0700133int MDPVersion::tokenizeParams(char *inputParams, const char *delim,
134 char* tokenStr[], int *idx) {
135 char *tmp_token = NULL;
136 char *temp_ptr;
Arun Kumar K.Rf15adc02014-01-21 21:26:25 -0800137 int index = 0;
manoj kumar amara venkata mastanbc05ef02013-09-17 19:29:32 -0700138 if (!inputParams) {
139 return -1;
140 }
141 tmp_token = strtok_r(inputParams, delim, &temp_ptr);
142 while (tmp_token != NULL) {
143 tokenStr[index++] = tmp_token;
144 tmp_token = strtok_r(NULL, " ", &temp_ptr);
145 }
146 *idx = index;
147 return 0;
148}
Manoj Kumar AVMc65ec612013-11-21 09:20:29 -0800149// This function reads the sysfs node to read the primary panel type
150// and updates information accordingly
Jeykumar Sankaran3e308322014-03-06 10:17:38 -0800151void MDPVersion::updatePanelInfo() {
Manoj Kumar AVMc65ec612013-11-21 09:20:29 -0800152 FILE *displayDeviceFP = NULL;
Jeykumar Sankaran3e308322014-03-06 10:17:38 -0800153 FILE *panelInfoNodeFP = NULL;
Manoj Kumar AVMc65ec612013-11-21 09:20:29 -0800154 char fbType[MAX_FRAME_BUFFER_NAME_SIZE];
155 const char *strCmdPanel = "mipi dsi cmd panel";
156 const char *strVideoPanel = "mipi dsi video panel";
157 const char *strLVDSPanel = "lvds panel";
158 const char *strEDPPanel = "edp panel";
manoj kumar amara venkata mastanbc05ef02013-09-17 19:29:32 -0700159
Manoj Kumar AVMc65ec612013-11-21 09:20:29 -0800160 displayDeviceFP = fopen("/sys/class/graphics/fb0/msm_fb_type", "r");
161 if(displayDeviceFP){
162 fread(fbType, sizeof(char), MAX_FRAME_BUFFER_NAME_SIZE,
163 displayDeviceFP);
164 if(strncmp(fbType, strCmdPanel, strlen(strCmdPanel)) == 0) {
Jeykumar Sankaran3e308322014-03-06 10:17:38 -0800165 mPanelInfo.mType = MIPI_CMD_PANEL;
Manoj Kumar AVMc65ec612013-11-21 09:20:29 -0800166 }
167 else if(strncmp(fbType, strVideoPanel, strlen(strVideoPanel)) == 0) {
Jeykumar Sankaran3e308322014-03-06 10:17:38 -0800168 mPanelInfo.mType = MIPI_VIDEO_PANEL;
Manoj Kumar AVMc65ec612013-11-21 09:20:29 -0800169 }
170 else if(strncmp(fbType, strLVDSPanel, strlen(strLVDSPanel)) == 0) {
Jeykumar Sankaran3e308322014-03-06 10:17:38 -0800171 mPanelInfo.mType = LVDS_PANEL;
Manoj Kumar AVMc65ec612013-11-21 09:20:29 -0800172 }
173 else if(strncmp(fbType, strEDPPanel, strlen(strEDPPanel)) == 0) {
Jeykumar Sankaran3e308322014-03-06 10:17:38 -0800174 mPanelInfo.mType = EDP_PANEL;
Manoj Kumar AVMc65ec612013-11-21 09:20:29 -0800175 }
176 fclose(displayDeviceFP);
Jeykumar Sankaran3e308322014-03-06 10:17:38 -0800177 } else {
178 ALOGE("Unable to read Primary Panel Information");
179 }
180
181 panelInfoNodeFP = fopen("/sys/class/graphics/fb0/msm_fb_panel_info", "r");
182 if(panelInfoNodeFP){
183 size_t len = PAGE_SIZE;
184 ssize_t read;
185 char *readLine = (char *) malloc (len);
Sravan Kumar D.V.Nb1bf9d92014-09-05 21:24:09 +0530186 char property[PROPERTY_VALUE_MAX];
Jeykumar Sankaran3e308322014-03-06 10:17:38 -0800187 while((read = getline((char **)&readLine, &len,
188 panelInfoNodeFP)) != -1) {
189 int token_ct=0;
190 char *tokens[10];
191 memset(tokens, 0, sizeof(tokens));
192
193 if(!tokenizeParams(readLine, TOKEN_PARAMS_DELIM, tokens,
194 &token_ct)) {
195 if(!strncmp(tokens[0], "pu_en", strlen("pu_en"))) {
196 mPanelInfo.mPartialUpdateEnable = atoi(tokens[1]);
197 ALOGI("PartialUpdate status: %s",
198 mPanelInfo.mPartialUpdateEnable? "Enabled" :
199 "Disabled");
200 }
Jeykumar Sankaranbeb0bc02014-04-04 15:13:01 -0700201 if(!strncmp(tokens[0], "xstart", strlen("xstart"))) {
Jeykumar Sankaran3e308322014-03-06 10:17:38 -0800202 mPanelInfo.mLeftAlign = atoi(tokens[1]);
203 ALOGI("Left Align: %d", mPanelInfo.mLeftAlign);
204 }
205 if(!strncmp(tokens[0], "walign", strlen("walign"))) {
206 mPanelInfo.mWidthAlign = atoi(tokens[1]);
207 ALOGI("Width Align: %d", mPanelInfo.mWidthAlign);
208 }
209 if(!strncmp(tokens[0], "ystart", strlen("ystart"))) {
210 mPanelInfo.mTopAlign = atoi(tokens[1]);
211 ALOGI("Top Align: %d", mPanelInfo.mTopAlign);
212 }
213 if(!strncmp(tokens[0], "halign", strlen("halign"))) {
214 mPanelInfo.mHeightAlign = atoi(tokens[1]);
215 ALOGI("Height Align: %d", mPanelInfo.mHeightAlign);
216 }
Jeykumar Sankaranbeb0bc02014-04-04 15:13:01 -0700217 if(!strncmp(tokens[0], "min_w", strlen("min_w"))) {
218 mPanelInfo.mMinROIWidth = atoi(tokens[1]);
219 ALOGI("Min ROI Width: %d", mPanelInfo.mMinROIWidth);
220 }
221 if(!strncmp(tokens[0], "min_h", strlen("min_h"))) {
222 mPanelInfo.mMinROIHeight = atoi(tokens[1]);
223 ALOGI("Min ROI Height: %d", mPanelInfo.mMinROIHeight);
224 }
Jeykumar Sankarana40a9342014-04-25 09:37:10 -0700225 if(!strncmp(tokens[0], "roi_merge", strlen("roi_merge"))) {
226 mPanelInfo.mNeedsROIMerge = atoi(tokens[1]);
227 ALOGI("Needs ROI Merge: %d", mPanelInfo.mNeedsROIMerge);
228 }
Arun Kumar K.Ra727a882014-08-20 17:14:26 -0700229 if(!strncmp(tokens[0], "dyn_fps_en", strlen("dyn_fps_en"))) {
230 mPanelInfo.mDynFpsSupported = atoi(tokens[1]);
231 ALOGI("Dynamic Fps: %s", mPanelInfo.mDynFpsSupported ?
232 "Enabled" : "Disabled");
233 }
234 if(!strncmp(tokens[0], "min_fps", strlen("min_fps"))) {
235 mPanelInfo.mMinFps = atoi(tokens[1]);
236 ALOGI("Min Panel fps: %d", mPanelInfo.mMinFps);
237 }
238 if(!strncmp(tokens[0], "max_fps", strlen("max_fps"))) {
239 mPanelInfo.mMaxFps = atoi(tokens[1]);
240 ALOGI("Max Panel fps: %d", mPanelInfo.mMaxFps);
241 }
Jeykumar Sankaran3e308322014-03-06 10:17:38 -0800242 }
243 }
Sravan Kumar D.V.Nb1bf9d92014-09-05 21:24:09 +0530244 if((property_get("persist.hwc.pubypass", property, 0) > 0) &&
245 (!strncmp(property, "1", PROPERTY_VALUE_MAX ) ||
246 (!strncasecmp(property,"true", PROPERTY_VALUE_MAX )))) {
247 mPanelInfo.mPartialUpdateEnable = 0;
248 ALOGI("PartialUpdate disabled by property");
249 }
Jeykumar Sankaran3e308322014-03-06 10:17:38 -0800250 fclose(panelInfoNodeFP);
251 } else {
252 ALOGE("Failed to open msm_fb_panel_info node");
Manoj Kumar AVMc65ec612013-11-21 09:20:29 -0800253 }
254}
manoj kumar amara venkata mastanbc05ef02013-09-17 19:29:32 -0700255
256// This function reads the sysfs node to read MDP capabilities
257// and parses and updates information accordingly.
258bool MDPVersion::updateSysFsInfo() {
259 FILE *sysfsFd;
Sushil Chauhanac184602014-02-14 11:49:47 -0800260 size_t len = PAGE_SIZE;
manoj kumar amara venkata mastanbc05ef02013-09-17 19:29:32 -0700261 ssize_t read;
262 char *line = NULL;
263 char sysfsPath[255];
264 memset(sysfsPath, 0, sizeof(sysfsPath));
265 snprintf(sysfsPath , sizeof(sysfsPath),
266 "/sys/class/graphics/fb0/mdp/caps");
Manoj Kumar AVM8a220812013-10-10 11:46:06 -0700267 char property[PROPERTY_VALUE_MAX];
268 bool enableMacroTile = false;
269
270 if((property_get("persist.hwc.macro_tile_enable", property, NULL) > 0) &&
271 (!strncmp(property, "1", PROPERTY_VALUE_MAX ) ||
272 (!strncasecmp(property,"true", PROPERTY_VALUE_MAX )))) {
273 enableMacroTile = true;
274 }
manoj kumar amara venkata mastanbc05ef02013-09-17 19:29:32 -0700275
276 sysfsFd = fopen(sysfsPath, "rb");
277
278 if (sysfsFd == NULL) {
279 ALOGE("%s: sysFsFile file '%s' not found",
280 __FUNCTION__, sysfsPath);
281 return false;
282 } else {
Sushil Chauhanac184602014-02-14 11:49:47 -0800283 line = (char *) malloc(len);
manoj kumar amara venkata mastanbc05ef02013-09-17 19:29:32 -0700284 while((read = getline(&line, &len, sysfsFd)) != -1) {
285 int index=0;
286 char *tokens[10];
287 memset(tokens, 0, sizeof(tokens));
288
289 // parse the line and update information accordingly
290 if(!tokenizeParams(line, TOKEN_PARAMS_DELIM, tokens, &index)) {
291 if(!strncmp(tokens[0], "hw_rev", strlen("hw_rev"))) {
292 mMdpRev = atoi(tokens[1]);
293 }
294 else if(!strncmp(tokens[0], "rgb_pipes", strlen("rgb_pipes"))) {
Dileep Kumar Reddibf333c72014-02-25 14:32:51 +0530295 mRGBPipes = (uint8_t)atoi(tokens[1]);
manoj kumar amara venkata mastanbc05ef02013-09-17 19:29:32 -0700296 }
297 else if(!strncmp(tokens[0], "vig_pipes", strlen("vig_pipes"))) {
Dileep Kumar Reddibf333c72014-02-25 14:32:51 +0530298 mVGPipes = (uint8_t)atoi(tokens[1]);
manoj kumar amara venkata mastanbc05ef02013-09-17 19:29:32 -0700299 }
300 else if(!strncmp(tokens[0], "dma_pipes", strlen("dma_pipes"))) {
Dileep Kumar Reddibf333c72014-02-25 14:32:51 +0530301 mDMAPipes = (uint8_t)atoi(tokens[1]);
manoj kumar amara venkata mastanbc05ef02013-09-17 19:29:32 -0700302 }
303 else if(!strncmp(tokens[0], "max_downscale_ratio",
304 strlen("max_downscale_ratio"))) {
305 mMDPDownscale = atoi(tokens[1]);
306 }
307 else if(!strncmp(tokens[0], "max_upscale_ratio",
308 strlen("max_upscale_ratio"))) {
309 mMDPUpscale = atoi(tokens[1]);
Saurabh Shah8ee5e892013-11-25 10:51:40 -0800310 } else if(!strncmp(tokens[0], "max_bandwidth_low",
311 strlen("max_bandwidth_low"))) {
312 mLowBw = atol(tokens[1]);
313 } else if(!strncmp(tokens[0], "max_bandwidth_high",
314 strlen("max_bandwidth_high"))) {
315 mHighBw = atol(tokens[1]);
Prabhanjan Kandula5bae9f52014-05-15 16:48:18 +0530316 } else if(!strncmp(tokens[0], "max_mixer_width",
317 strlen("max_mixer_width"))) {
318 mMaxMixerWidth = atoi(tokens[1]);
Saurabh Shah8ee5e892013-11-25 10:51:40 -0800319 } else if(!strncmp(tokens[0], "features", strlen("features"))) {
manoj kumar amara venkata mastanbc05ef02013-09-17 19:29:32 -0700320 for(int i=1; i<index;i++) {
321 if(!strncmp(tokens[i], "bwc", strlen("bwc"))) {
322 mFeatures |= MDP_BWC_EN;
Saurabh Shah65b710c2014-07-03 15:30:16 -0700323 } else if(!strncmp(tokens[i], "decimation",
manoj kumar amara venkata mastanbc05ef02013-09-17 19:29:32 -0700324 strlen("decimation"))) {
325 mFeatures |= MDP_DECIMATION_EN;
Saurabh Shah65b710c2014-07-03 15:30:16 -0700326 } else if(!strncmp(tokens[i], "tile_format",
Manoj Kumar AVM8a220812013-10-10 11:46:06 -0700327 strlen("tile_format"))) {
328 if(enableMacroTile)
329 mMacroTileEnabled = true;
Saurabh Shahab47c692014-02-12 18:45:57 -0800330 } else if(!strncmp(tokens[i], "src_split",
331 strlen("src_split"))) {
332 mSourceSplit = true;
Saurabh Shah65b710c2014-07-03 15:30:16 -0700333 } else if(!strncmp(tokens[i], "non_scalar_rgb",
radhakrishna2e792f92014-03-13 11:39:33 +0530334 strlen("non_scalar_rgb"))) {
335 mRGBHasNoScalar = true;
Saurabh Shah65b710c2014-07-03 15:30:16 -0700336 } else if(!strncmp(tokens[i], "rotator_downscale",
337 strlen("rotator_downscale"))) {
338 mRotDownscale = true;
radhakrishna2e792f92014-03-13 11:39:33 +0530339 }
manoj kumar amara venkata mastanbc05ef02013-09-17 19:29:32 -0700340 }
341 }
342 }
manoj kumar amara venkata mastanbc05ef02013-09-17 19:29:32 -0700343 }
Sushil Chauhanac184602014-02-14 11:49:47 -0800344 free(line);
manoj kumar amara venkata mastanbc05ef02013-09-17 19:29:32 -0700345 fclose(sysfsFd);
346 }
Saurabh Shahea7a01d2014-05-22 17:45:36 -0700347
Saurabh Shahc46cf9d2014-07-02 15:22:34 -0700348 if(mMDPVersion >= qdutils::MDP_V4_2 and mMDPVersion < qdutils::MDSS_V5) {
349 mRotDownscale = true;
350 }
351
Saurabh Shahea7a01d2014-05-22 17:45:36 -0700352 if(mSourceSplit) {
353 memset(sysfsPath, 0, sizeof(sysfsPath));
354 snprintf(sysfsPath , sizeof(sysfsPath),
355 "/sys/class/graphics/fb0/msm_fb_src_split_info");
356
357 sysfsFd = fopen(sysfsPath, "rb");
358 if (sysfsFd == NULL) {
359 ALOGE("%s: Opening file %s failed with error %s", __FUNCTION__,
360 sysfsPath, strerror(errno));
361 return false;
362 } else {
363 line = (char *) malloc(len);
364 if((read = getline(&line, &len, sysfsFd)) != -1) {
365 if(!strncmp(line, "src_split_always",
366 strlen("src_split_always"))) {
367 mSourceSplitAlways = true;
368 }
369 }
370 free(line);
371 fclose(sysfsFd);
372 }
373 }
374
manoj kumar amara venkata mastanbc05ef02013-09-17 19:29:32 -0700375 ALOGD_IF(DEBUG, "%s: mMDPVersion: %d mMdpRev: %x mRGBPipes:%d,"
376 "mVGPipes:%d", __FUNCTION__, mMDPVersion, mMdpRev,
377 mRGBPipes, mVGPipes);
378 ALOGD_IF(DEBUG, "%s:mDMAPipes:%d \t mMDPDownscale:%d, mFeatures:%d",
379 __FUNCTION__, mDMAPipes, mMDPDownscale, mFeatures);
Saurabh Shah8ee5e892013-11-25 10:51:40 -0800380 ALOGD_IF(DEBUG, "%s:mLowBw: %lu mHighBw: %lu", __FUNCTION__, mLowBw,
381 mHighBw);
382
manoj kumar amara venkata mastanbc05ef02013-09-17 19:29:32 -0700383 return true;
384}
385
Manoj Kumar AVMc65ec612013-11-21 09:20:29 -0800386// This function reads the sysfs node to read MDP capabilities
387// and parses and updates information accordingly.
388bool MDPVersion::updateSplitInfo() {
389 if(mMDPVersion >= MDSS_V5) {
390 char split[64] = {0};
391 FILE* fp = fopen("/sys/class/graphics/fb0/msm_fb_split", "r");
392 if(fp){
393 //Format "left right" space as delimiter
394 if(fread(split, sizeof(char), 64, fp)) {
Ramkumar Radhakrishnan36bd5272014-01-31 20:03:01 -0800395 split[sizeof(split) - 1] = '\0';
Manoj Kumar AVMc65ec612013-11-21 09:20:29 -0800396 mSplit.mLeft = atoi(split);
397 ALOGI_IF(mSplit.mLeft, "Left Split=%d", mSplit.mLeft);
398 char *rght = strpbrk(split, " ");
399 if(rght)
400 mSplit.mRight = atoi(rght + 1);
401 ALOGI_IF(mSplit.mRight, "Right Split=%d", mSplit.mRight);
402 }
403 } else {
404 ALOGE("Failed to open mdss_fb_split node");
405 return false;
406 }
407 if(fp)
408 fclose(fp);
409 }
410 return true;
411}
412
413
Saurabh Shahbd2d0832013-04-04 14:33:08 -0700414bool MDPVersion::supportsDecimation() {
415 return mFeatures & MDP_DECIMATION_EN;
416}
417
418uint32_t MDPVersion::getMaxMDPDownscale() {
419 return mMDPDownscale;
420}
421
Jeykumar Sankaran6cd8e7e2014-01-13 16:01:05 -0800422uint32_t MDPVersion::getMaxMDPUpscale() {
423 return mMDPUpscale;
424}
425
Sushil Chauhanbab187a2013-01-30 17:44:15 -0800426bool MDPVersion::supportsBWC() {
427 // BWC - Bandwidth Compression
428 return (mFeatures & MDP_BWC_EN);
429}
Saurabh Shahe2474082013-05-15 16:32:13 -0700430
Manoj Kumar AVM8a220812013-10-10 11:46:06 -0700431bool MDPVersion::supportsMacroTile() {
432 // MACRO TILE support
433 return mMacroTileEnabled;
434}
435
Saurabh Shahab47c692014-02-12 18:45:57 -0800436bool MDPVersion::isSrcSplit() const {
437 return mSourceSplit;
438}
439
Saurabh Shahea7a01d2014-05-22 17:45:36 -0700440bool MDPVersion::isSrcSplitAlways() const {
441 return mSourceSplitAlways;
442}
443
radhakrishna2e792f92014-03-13 11:39:33 +0530444bool MDPVersion::isRGBScalarSupported() const {
445 return (!mRGBHasNoScalar);
446}
447
Saurabh Shahd3877632014-01-07 09:29:03 -0800448bool MDPVersion::is8x26() {
449 return (mMdpRev >= MDSS_MDP_HW_REV_101 and
450 mMdpRev < MDSS_MDP_HW_REV_102);
451}
452
453bool MDPVersion::is8x74v2() {
454 return (mMdpRev >= MDSS_MDP_HW_REV_102 and
455 mMdpRev < MDSS_MDP_HW_REV_103);
456}
457
458bool MDPVersion::is8084() {
459 return (mMdpRev >= MDSS_MDP_HW_REV_103 and
460 mMdpRev < MDSS_MDP_HW_REV_104);
461}
462
463bool MDPVersion::is8092() {
464 return (mMdpRev >= MDSS_MDP_HW_REV_200 and
465 mMdpRev < MDSS_MDP_HW_REV_206);
466}
467
Saurabh Shah5a0a9ce2014-07-02 10:45:42 -0700468bool MDPVersion::is8994() {
469 return (mMdpRev >= MDSS_MDP_HW_REV_105 and
470 mMdpRev < MDSS_MDP_HW_REV_106);
471}
472
radhakrishna2e792f92014-03-13 11:39:33 +0530473bool MDPVersion::is8x16() {
474 return (mMdpRev >= MDSS_MDP_HW_REV_106 and
475 mMdpRev < MDSS_MDP_HW_REV_107);
476}
477
Prabhanjan Kandula15a87372014-05-12 14:49:03 +0530478bool MDPVersion::is8x39() {
479 return (mMdpRev >= MDSS_MDP_HW_REV_108 and
480 mMdpRev < MDSS_MDP_HW_REV_109);
481}
482
483
Naseer Ahmeda87da602012-07-01 23:54:19 -0700484}; //namespace qdutils
485