1 /*
2  * Copyright (C) 2010 The Android Open Source Project
3  * Copyright (c) 2011-2014,2017 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 #include <limits.h>
19 #include <unistd.h>
20 #include <fcntl.h>
21 #include <cutils/properties.h>
22 #include <sys/mman.h>
23 #include <linux/msm_ion.h>
24 #include <qdMetaData.h>
25 #include <algorithm>
26 
27 #include "gr.h"
28 #include "gpu.h"
29 #include "memalloc.h"
30 #include "alloc_controller.h"
31 
32 using namespace gralloc;
33 
gpu_context_t(const private_module_t * module,IAllocController * alloc_ctrl)34 gpu_context_t::gpu_context_t(const private_module_t* module,
35                              IAllocController* alloc_ctrl ) :
36     mAllocCtrl(alloc_ctrl)
37 {
38     // Zero out the alloc_device_t
39     memset(static_cast<alloc_device_t*>(this), 0, sizeof(alloc_device_t));
40 
41     // Initialize the procs
42     common.tag     = HARDWARE_DEVICE_TAG;
43     common.version = 0;
44     common.module  = const_cast<hw_module_t*>(&module->base.common);
45     common.close   = gralloc_close;
46     alloc          = gralloc_alloc;
47     free           = gralloc_free;
48 
49 }
50 
gralloc_alloc_buffer(unsigned int size,int usage,buffer_handle_t * pHandle,int bufferType,int format,int width,int height)51 int gpu_context_t::gralloc_alloc_buffer(unsigned int size, int usage,
52                                         buffer_handle_t* pHandle, int bufferType,
53                                         int format, int width, int height)
54 {
55     int err = 0;
56     int flags = 0;
57     int alignedw = 0;
58     int alignedh = 0;
59 
60     AdrenoMemInfo::getInstance().getAlignedWidthAndHeight(width,
61             height,
62             format,
63             usage,
64             alignedw,
65             alignedh);
66 
67     size = roundUpToPageSize(size);
68     alloc_data data;
69     data.offset = 0;
70     data.fd = -1;
71     data.base = 0;
72     if(format == HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED)
73         data.align = 8192;
74     else
75         data.align = getpagesize();
76 
77     if (usage & GRALLOC_USAGE_PROTECTED) {
78             if ((usage & GRALLOC_USAGE_PRIVATE_SECURE_DISPLAY) ||
79                 (usage & GRALLOC_USAGE_HW_CAMERA_MASK)) {
80                 /* The alignment here reflects qsee mmu V7L/V8L requirement */
81                 data.align = SZ_2M;
82             } else {
83                 data.align = SECURE_ALIGN;
84             }
85         size = ALIGN(size, data.align);
86     }
87 
88     data.size = size;
89     data.pHandle = (uintptr_t) pHandle;
90     err = mAllocCtrl->allocate(data, usage);
91 
92     if (!err) {
93         /* allocate memory for enhancement data */
94         alloc_data eData;
95         eData.fd = -1;
96         eData.base = 0;
97         eData.offset = 0;
98         eData.size = ROUND_UP_PAGESIZE(sizeof(MetaData_t));
99         eData.pHandle = data.pHandle;
100         eData.align = getpagesize();
101         int eDataUsage = 0;
102         int eDataErr = mAllocCtrl->allocate(eData, eDataUsage);
103         ALOGE_IF(eDataErr, "gralloc failed for eDataErr=%s",
104                                           strerror(-eDataErr));
105 
106         if (usage & GRALLOC_USAGE_PRIVATE_EXTERNAL_ONLY) {
107             flags |= private_handle_t::PRIV_FLAGS_EXTERNAL_ONLY;
108         }
109 
110         if (usage & GRALLOC_USAGE_PRIVATE_INTERNAL_ONLY) {
111             flags |= private_handle_t::PRIV_FLAGS_INTERNAL_ONLY;
112         }
113 
114         if (usage & GRALLOC_USAGE_HW_VIDEO_ENCODER ) {
115             flags |= private_handle_t::PRIV_FLAGS_VIDEO_ENCODER;
116         }
117 
118         if (usage & GRALLOC_USAGE_HW_CAMERA_WRITE) {
119             flags |= private_handle_t::PRIV_FLAGS_CAMERA_WRITE;
120         }
121 
122         if (usage & GRALLOC_USAGE_HW_CAMERA_READ) {
123             flags |= private_handle_t::PRIV_FLAGS_CAMERA_READ;
124         }
125 
126         if (usage & GRALLOC_USAGE_HW_COMPOSER) {
127             flags |= private_handle_t::PRIV_FLAGS_HW_COMPOSER;
128         }
129 
130         if (usage & GRALLOC_USAGE_HW_TEXTURE) {
131             flags |= private_handle_t::PRIV_FLAGS_HW_TEXTURE;
132         }
133 
134         if(usage & GRALLOC_USAGE_PRIVATE_SECURE_DISPLAY) {
135             flags |= private_handle_t::PRIV_FLAGS_SECURE_DISPLAY;
136         }
137 
138         if (isUBwcEnabled(format, usage)) {
139             flags |= private_handle_t::PRIV_FLAGS_UBWC_ALIGNED;
140         }
141 
142         if(usage & (GRALLOC_USAGE_SW_READ_MASK | GRALLOC_USAGE_SW_WRITE_MASK)) {
143             flags |= private_handle_t::PRIV_FLAGS_CPU_RENDERED;
144         }
145 
146         if (usage & (GRALLOC_USAGE_HW_VIDEO_ENCODER |
147                 GRALLOC_USAGE_HW_CAMERA_WRITE |
148                 GRALLOC_USAGE_HW_RENDER |
149                 GRALLOC_USAGE_HW_FB)) {
150             flags |= private_handle_t::PRIV_FLAGS_NON_CPU_WRITER;
151         }
152 
153         if(usage & GRALLOC_USAGE_HW_COMPOSER) {
154             flags |= private_handle_t::PRIV_FLAGS_DISP_CONSUMER;
155         }
156 
157         if(false == data.uncached) {
158             flags |= private_handle_t::PRIV_FLAGS_CACHED;
159         }
160 
161         flags |= data.allocType;
162         uint64_t eBaseAddr = (uint64_t)(eData.base) + eData.offset;
163         private_handle_t *hnd = new private_handle_t(data.fd, size, flags,
164                 bufferType, format, alignedw, alignedh,
165                 eData.fd, eData.offset, eBaseAddr, width, height);
166 
167         hnd->offset = data.offset;
168         hnd->base = (uint64_t)(data.base) + data.offset;
169         hnd->gpuaddr = 0;
170         ColorSpace_t colorSpace = ITU_R_601;
171         setMetaData(hnd, UPDATE_COLOR_SPACE, (void*) &colorSpace);
172         *pHandle = hnd;
173     }
174 
175     ALOGE_IF(err, "gralloc failed err=%s", strerror(-err));
176     return err;
177 }
178 
getGrallocInformationFromFormat(int inputFormat,int * bufferType)179 void gpu_context_t::getGrallocInformationFromFormat(int inputFormat,
180                                                     int *bufferType)
181 {
182     *bufferType = BUFFER_TYPE_VIDEO;
183 
184     if (isUncompressedRgbFormat(inputFormat) == TRUE) {
185         // RGB formats
186         *bufferType = BUFFER_TYPE_UI;
187     }
188 }
189 
gralloc_alloc_framebuffer_locked(int usage,buffer_handle_t * pHandle)190 int gpu_context_t::gralloc_alloc_framebuffer_locked(int usage,
191                                                     buffer_handle_t* pHandle)
192 {
193     private_module_t* m = reinterpret_cast<private_module_t*>(common.module);
194 
195     // This allocation will only happen when gralloc is in fb mode
196 
197     if (m->framebuffer == NULL) {
198         ALOGE("%s: Invalid framebuffer", __FUNCTION__);
199         return -EINVAL;
200     }
201 
202     const unsigned int bufferMask = m->bufferMask;
203     const uint32_t numBuffers = m->numBuffers;
204     unsigned int bufferSize = m->finfo.line_length * m->info.yres;
205 
206     //adreno needs FB size to be page aligned
207     bufferSize = roundUpToPageSize(bufferSize);
208 
209     if (numBuffers == 1) {
210         // If we have only one buffer, we never use page-flipping. Instead,
211         // we return a regular buffer which will be memcpy'ed to the main
212         // screen when post is called.
213         int newUsage = (usage & ~GRALLOC_USAGE_HW_FB) | GRALLOC_USAGE_HW_2D;
214         return gralloc_alloc_buffer(bufferSize, newUsage, pHandle, BUFFER_TYPE_UI,
215                                     m->fbFormat, m->info.xres, m->info.yres);
216     }
217 
218     if (bufferMask >= ((1LU<<numBuffers)-1)) {
219         // We ran out of buffers.
220         return -ENOMEM;
221     }
222 
223     // create a "fake" handle for it
224     uint64_t vaddr = uint64_t(m->framebuffer->base);
225     // As GPU needs ION FD, the private handle is created
226     // using ION fd and ION flags are set
227     private_handle_t* hnd = new private_handle_t(
228         dup(m->framebuffer->fd), bufferSize,
229         private_handle_t::PRIV_FLAGS_USES_ION |
230         private_handle_t::PRIV_FLAGS_FRAMEBUFFER,
231         BUFFER_TYPE_UI, m->fbFormat, m->info.xres,
232         m->info.yres);
233 
234     // find a free slot
235     for (uint32_t i=0 ; i<numBuffers ; i++) {
236         if ((bufferMask & (1LU<<i)) == 0) {
237             m->bufferMask |= (uint32_t)(1LU<<i);
238             break;
239         }
240         vaddr += bufferSize;
241     }
242     hnd->base = vaddr;
243     hnd->offset = (unsigned int)(vaddr - m->framebuffer->base);
244     *pHandle = hnd;
245     return 0;
246 }
247 
248 
gralloc_alloc_framebuffer(int usage,buffer_handle_t * pHandle)249 int gpu_context_t::gralloc_alloc_framebuffer(int usage,
250                                              buffer_handle_t* pHandle)
251 {
252     private_module_t* m = reinterpret_cast<private_module_t*>(common.module);
253     pthread_mutex_lock(&m->lock);
254     int err = gralloc_alloc_framebuffer_locked(usage, pHandle);
255     pthread_mutex_unlock(&m->lock);
256     return err;
257 }
258 
alloc_impl(int w,int h,int format,int usage,buffer_handle_t * pHandle,int * pStride,unsigned int bufferSize)259 int gpu_context_t::alloc_impl(int w, int h, int format, int usage,
260                               buffer_handle_t* pHandle, int* pStride,
261                               unsigned int bufferSize) {
262     if (!pHandle || !pStride)
263         return -EINVAL;
264 
265     unsigned int size;
266     int alignedw, alignedh;
267     int grallocFormat = format;
268     int bufferType;
269 
270     //If input format is HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED then based on
271     //the usage bits, gralloc assigns a format.
272     if(format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED ||
273        format == HAL_PIXEL_FORMAT_YCbCr_420_888) {
274         if (usage & GRALLOC_USAGE_PRIVATE_ALLOC_UBWC)
275             grallocFormat = HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS_UBWC;
276         else if(usage & GRALLOC_USAGE_HW_VIDEO_ENCODER) {
277             if(MDPCapabilityInfo::getInstance().isWBUBWCSupportedByMDP() &&
278                !IAllocController::getInstance()->isDisableUBWCForEncoder() &&
279                usage & GRALLOC_USAGE_HW_COMPOSER)
280               grallocFormat = HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS_UBWC;
281             else
282               grallocFormat = HAL_PIXEL_FORMAT_NV12_ENCODEABLE; //NV12
283         } else if((usage & GRALLOC_USAGE_HW_CAMERA_MASK)
284                 == GRALLOC_USAGE_HW_CAMERA_ZSL)
285             grallocFormat = HAL_PIXEL_FORMAT_NV21_ZSL; //NV21 ZSL
286         else if(usage & GRALLOC_USAGE_HW_CAMERA_READ)
287             grallocFormat = HAL_PIXEL_FORMAT_YCrCb_420_SP; //NV21
288         else if(usage & GRALLOC_USAGE_HW_CAMERA_WRITE) {
289            if (format == HAL_PIXEL_FORMAT_YCbCr_420_888) {
290                grallocFormat = HAL_PIXEL_FORMAT_NV21_ZSL; //NV21
291            } else {
292                grallocFormat = HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS; //NV12 preview
293            }
294         } else if(usage & GRALLOC_USAGE_HW_COMPOSER)
295             //XXX: If we still haven't set a format, default to RGBA8888
296             grallocFormat = HAL_PIXEL_FORMAT_RGBA_8888;
297         else if(format == HAL_PIXEL_FORMAT_YCbCr_420_888) {
298             //If no other usage flags are detected, default the
299             //flexible YUV format to NV21_ZSL
300             grallocFormat = HAL_PIXEL_FORMAT_NV21_ZSL;
301         }
302     }
303 
304     bool useFbMem = false;
305     char property[PROPERTY_VALUE_MAX];
306     char isUBWC[PROPERTY_VALUE_MAX];
307     if (usage & GRALLOC_USAGE_HW_FB) {
308         if ((property_get("debug.gralloc.map_fb_memory", property, NULL) > 0) &&
309             (!strncmp(property, "1", PROPERTY_VALUE_MAX ) ||
310             (!strncasecmp(property,"true", PROPERTY_VALUE_MAX )))) {
311             useFbMem = true;
312         } else {
313             usage &= ~GRALLOC_USAGE_PRIVATE_ALLOC_UBWC;
314             if (property_get("debug.gralloc.enable_fb_ubwc", isUBWC, NULL) > 0){
315                 if ((!strncmp(isUBWC, "1", PROPERTY_VALUE_MAX)) ||
316                     (!strncasecmp(isUBWC, "true", PROPERTY_VALUE_MAX))) {
317                     // Allocate UBWC aligned framebuffer
318                     usage |= GRALLOC_USAGE_PRIVATE_ALLOC_UBWC;
319                 }
320             }
321         }
322     }
323 
324     getGrallocInformationFromFormat(grallocFormat, &bufferType);
325     size = getBufferSizeAndDimensions(w, h, grallocFormat, usage, alignedw,
326                    alignedh);
327 
328     if ((unsigned int)size <= 0)
329         return -EINVAL;
330     size = (bufferSize >= size)? bufferSize : size;
331 
332     int err = 0;
333     if(useFbMem) {
334         err = gralloc_alloc_framebuffer(usage, pHandle);
335     } else {
336         err = gralloc_alloc_buffer(size, usage, pHandle, bufferType,
337                                    grallocFormat, w, h);
338     }
339 
340     if (err < 0) {
341         return err;
342     }
343 
344     *pStride = alignedw;
345     return 0;
346 }
347 
free_impl(private_handle_t const * hnd)348 int gpu_context_t::free_impl(private_handle_t const* hnd) {
349     private_module_t* m = reinterpret_cast<private_module_t*>(common.module);
350     if (hnd->flags & private_handle_t::PRIV_FLAGS_FRAMEBUFFER) {
351         const unsigned int bufferSize = m->finfo.line_length * m->info.yres;
352         unsigned int index = (unsigned int) ((hnd->base - m->framebuffer->base)
353                 / bufferSize);
354         m->bufferMask &= (uint32_t)~(1LU<<index);
355     } else {
356 
357         terminateBuffer(&m->base, const_cast<private_handle_t*>(hnd));
358         IMemAlloc* memalloc = mAllocCtrl->getAllocator(hnd->flags);
359         int err = memalloc->free_buffer((void*)hnd->base, hnd->size,
360                                         hnd->offset, hnd->fd);
361         if(err)
362             return err;
363         // free the metadata space
364         unsigned int size = ROUND_UP_PAGESIZE(sizeof(MetaData_t));
365         err = memalloc->free_buffer((void*)hnd->base_metadata,
366                                     size, hnd->offset_metadata,
367                                     hnd->fd_metadata);
368         if (err)
369             return err;
370     }
371 
372     delete hnd;
373     return 0;
374 }
375 
gralloc_alloc(alloc_device_t * dev,int w,int h,int format,int usage,buffer_handle_t * pHandle,int * pStride)376 int gpu_context_t::gralloc_alloc(alloc_device_t* dev, int w, int h, int format,
377                                  int usage, buffer_handle_t* pHandle,
378                                  int* pStride)
379 {
380     if (!dev) {
381         return -EINVAL;
382     }
383     gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev);
384     return gpu->alloc_impl(w, h, format, usage, pHandle, pStride, 0);
385 }
gralloc_alloc_size(alloc_device_t * dev,int w,int h,int format,int usage,buffer_handle_t * pHandle,int * pStride,int bufferSize)386 int gpu_context_t::gralloc_alloc_size(alloc_device_t* dev, int w, int h,
387                                       int format, int usage,
388                                       buffer_handle_t* pHandle, int* pStride,
389                                       int bufferSize)
390 {
391     if (!dev) {
392         return -EINVAL;
393     }
394     gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev);
395     return gpu->alloc_impl(w, h, format, usage, pHandle, pStride, bufferSize);
396 }
397 
398 
gralloc_free(alloc_device_t * dev,buffer_handle_t handle)399 int gpu_context_t::gralloc_free(alloc_device_t* dev,
400                                 buffer_handle_t handle)
401 {
402     if (private_handle_t::validate(handle) < 0)
403         return -EINVAL;
404 
405     private_handle_t const* hnd = reinterpret_cast<private_handle_t const*>(handle);
406     gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev);
407     return gpu->free_impl(hnd);
408 }
409 
410 /*****************************************************************************/
411 
gralloc_close(struct hw_device_t * dev)412 int gpu_context_t::gralloc_close(struct hw_device_t *dev)
413 {
414     gpu_context_t* ctx = reinterpret_cast<gpu_context_t*>(dev);
415     if (ctx) {
416         /* TODO: keep a list of all buffer_handle_t created, and free them
417          * all here.
418          */
419         delete ctx;
420     }
421     return 0;
422 }
423 
424