1 /*
2 * Copyright (c) 2011-2012, 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 #include <cutils/log.h>
31 #include <fcntl.h>
32 #include <dlfcn.h>
33 #include "gralloc_priv.h"
34 #include "alloc_controller.h"
35 #include "memalloc.h"
36 #include "ionalloc.h"
37 #include "gr.h"
38 #include "comptype.h"
39
40 #ifdef VENUS_COLOR_FORMAT
41 #include <media/msm_media_info.h>
42 #else
43 #define VENUS_Y_STRIDE(args...) 0
44 #define VENUS_Y_SCANLINES(args...) 0
45 #define VENUS_BUFFER_SIZE(args...) 0
46 #endif
47
48 using namespace gralloc;
49 using namespace qdutils;
50
51 ANDROID_SINGLETON_STATIC_INSTANCE(AdrenoMemInfo);
52
53 //Common functions
canFallback(int usage,bool triedSystem)54 static bool canFallback(int usage, bool triedSystem)
55 {
56 // Fallback to system heap when alloc fails unless
57 // 1. Composition type is MDP
58 // 2. Alloc from system heap was already tried
59 // 3. The heap type is requsted explicitly
60 // 4. The heap type is protected
61 // 5. The buffer is meant for external display only
62
63 if(QCCompositionType::getInstance().getCompositionType() &
64 COMPOSITION_TYPE_MDP)
65 return false;
66 if(triedSystem)
67 return false;
68 if(usage & (GRALLOC_HEAP_MASK | GRALLOC_USAGE_PROTECTED))
69 return false;
70 if(usage & (GRALLOC_HEAP_MASK | GRALLOC_USAGE_PRIVATE_EXTERNAL_ONLY))
71 return false;
72 //Return true by default
73 return true;
74 }
75
useUncached(int usage)76 static bool useUncached(int usage)
77 {
78 // System heaps cannot be uncached
79 if(usage & GRALLOC_USAGE_PRIVATE_SYSTEM_HEAP)
80 return false;
81 if (usage & GRALLOC_USAGE_PRIVATE_UNCACHED)
82 return true;
83 return false;
84 }
85
86 //-------------- AdrenoMemInfo-----------------------//
AdrenoMemInfo()87 AdrenoMemInfo::AdrenoMemInfo()
88 {
89 libadreno_utils = ::dlopen("libadreno_utils.so", RTLD_NOW);
90 if (libadreno_utils) {
91 *(void **)&LINK_adreno_compute_padding = ::dlsym(libadreno_utils,
92 "compute_surface_padding");
93 }
94 }
95
~AdrenoMemInfo()96 AdrenoMemInfo::~AdrenoMemInfo()
97 {
98 if (libadreno_utils) {
99 ::dlclose(libadreno_utils);
100 }
101 }
102
getStride(int width,int format)103 int AdrenoMemInfo::getStride(int width, int format)
104 {
105 int stride = ALIGN(width, 32);
106 // Currently surface padding is only computed for RGB* surfaces.
107 if (format < 0x7) {
108 int bpp = 4;
109 switch(format)
110 {
111 case HAL_PIXEL_FORMAT_RGB_888:
112 bpp = 3;
113 break;
114 case HAL_PIXEL_FORMAT_RGB_565:
115 case HAL_PIXEL_FORMAT_RGBA_5551:
116 case HAL_PIXEL_FORMAT_RGBA_4444:
117 bpp = 2;
118 break;
119 default: break;
120 }
121 if ((libadreno_utils) && (LINK_adreno_compute_padding)) {
122 int surface_tile_height = 1; // Linear surface
123 int raster_mode = 0; // Adreno unknown raster mode.
124 int padding_threshold = 512; // Threshold for padding surfaces.
125 // the function below expects the width to be a multiple of
126 // 32 pixels, hence we pass stride instead of width.
127 stride = LINK_adreno_compute_padding(stride, bpp,
128 surface_tile_height, raster_mode,
129 padding_threshold);
130 }
131 } else {
132 switch (format)
133 {
134 case HAL_PIXEL_FORMAT_YCrCb_420_SP_ADRENO:
135 case HAL_PIXEL_FORMAT_RAW_SENSOR:
136 stride = ALIGN(width, 32);
137 break;
138 case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED:
139 stride = ALIGN(width, 128);
140 break;
141 case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
142 case HAL_PIXEL_FORMAT_YCbCr_420_SP:
143 case HAL_PIXEL_FORMAT_YCrCb_420_SP:
144 case HAL_PIXEL_FORMAT_YV12:
145 case HAL_PIXEL_FORMAT_YCbCr_422_SP:
146 case HAL_PIXEL_FORMAT_YCrCb_422_SP:
147 stride = ALIGN(width, 16);
148 break;
149 case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS:
150 stride = VENUS_Y_STRIDE(COLOR_FMT_NV12, width);
151 break;
152 case HAL_PIXEL_FORMAT_BLOB:
153 stride = width;
154 break;
155 default: break;
156 }
157 }
158 return stride;
159 }
160
161 //-------------- IAllocController-----------------------//
162 IAllocController* IAllocController::sController = NULL;
getInstance(void)163 IAllocController* IAllocController::getInstance(void)
164 {
165 if(sController == NULL) {
166 sController = new IonController();
167 }
168 return sController;
169 }
170
171
172 //-------------- IonController-----------------------//
IonController()173 IonController::IonController()
174 {
175 mIonAlloc = new IonAlloc();
176 }
177
allocate(alloc_data & data,int usage)178 int IonController::allocate(alloc_data& data, int usage)
179 {
180 int ionFlags = 0;
181 int ret;
182
183 data.uncached = useUncached(usage);
184 data.allocType = 0;
185
186 if(usage & GRALLOC_USAGE_PRIVATE_UI_CONTIG_HEAP)
187 ionFlags |= ION_HEAP(ION_SF_HEAP_ID);
188
189 if(usage & GRALLOC_USAGE_PRIVATE_SYSTEM_HEAP)
190 ionFlags |= ION_HEAP(ION_SYSTEM_HEAP_ID);
191
192 if(usage & GRALLOC_USAGE_PRIVATE_IOMMU_HEAP)
193 ionFlags |= ION_HEAP(ION_IOMMU_HEAP_ID);
194
195 //MM Heap is exclusively a secure heap.
196 if(usage & GRALLOC_USAGE_PRIVATE_MM_HEAP) {
197 //XXX: Right now the MM heap is the only secure heap we have. When we
198 //have other secure heaps, we can change this.
199 if(usage & GRALLOC_USAGE_PROTECTED) {
200 ionFlags |= ION_HEAP(ION_CP_MM_HEAP_ID);
201 ionFlags |= ION_SECURE;
202 }
203 else {
204 ALOGW("GRALLOC_USAGE_PRIVATE_MM_HEAP \
205 cannot be used as an insecure heap!\
206 trying to use IOMMU instead !!");
207 ionFlags |= ION_HEAP(ION_IOMMU_HEAP_ID);
208 }
209 }
210
211 if(usage & GRALLOC_USAGE_PRIVATE_CAMERA_HEAP)
212 ionFlags |= ION_HEAP(ION_CAMERA_HEAP_ID);
213
214 if(usage & GRALLOC_USAGE_PROTECTED)
215 data.allocType |= private_handle_t::PRIV_FLAGS_SECURE_BUFFER;
216
217 // if no flags are set, default to
218 // SF + IOMMU heaps, so that bypass can work
219 // we can fall back to system heap if
220 // we run out.
221 if(!ionFlags)
222 ionFlags = ION_HEAP(ION_SF_HEAP_ID) | ION_HEAP(ION_IOMMU_HEAP_ID);
223
224 data.flags = ionFlags;
225 ret = mIonAlloc->alloc_buffer(data);
226
227 // Fallback
228 if(ret < 0 && canFallback(usage,
229 (ionFlags & ION_SYSTEM_HEAP_ID)))
230 {
231 ALOGW("Falling back to system heap");
232 data.flags = ION_HEAP(ION_SYSTEM_HEAP_ID);
233 ret = mIonAlloc->alloc_buffer(data);
234 }
235
236 if(ret >= 0 ) {
237 data.allocType |= private_handle_t::PRIV_FLAGS_USES_ION;
238 }
239
240 return ret;
241 }
242
getAllocator(int flags)243 IMemAlloc* IonController::getAllocator(int flags)
244 {
245 IMemAlloc* memalloc = NULL;
246 if (flags & private_handle_t::PRIV_FLAGS_USES_ION) {
247 memalloc = mIonAlloc;
248 } else {
249 ALOGE("%s: Invalid flags passed: 0x%x", __FUNCTION__, flags);
250 }
251
252 return memalloc;
253 }
254
getBufferSizeAndDimensions(int width,int height,int format,int & alignedw,int & alignedh)255 size_t getBufferSizeAndDimensions(int width, int height, int format,
256 int& alignedw, int &alignedh)
257 {
258 size_t size;
259
260 alignedw = AdrenoMemInfo::getInstance().getStride(width, format);
261 alignedh = ALIGN(height, 32);
262 switch (format) {
263 case HAL_PIXEL_FORMAT_RGBA_8888:
264 case HAL_PIXEL_FORMAT_RGBX_8888:
265 case HAL_PIXEL_FORMAT_BGRA_8888:
266 size = alignedw * alignedh * 4;
267 break;
268 case HAL_PIXEL_FORMAT_RGB_888:
269 size = alignedw * alignedh * 3;
270 break;
271 case HAL_PIXEL_FORMAT_RGB_565:
272 case HAL_PIXEL_FORMAT_RGBA_5551:
273 case HAL_PIXEL_FORMAT_RGBA_4444:
274 case HAL_PIXEL_FORMAT_RAW_SENSOR:
275 size = alignedw * alignedh * 2;
276 break;
277
278 // adreno formats
279 case HAL_PIXEL_FORMAT_YCrCb_420_SP_ADRENO: // NV21
280 size = ALIGN(alignedw*alignedh, 4096);
281 size += ALIGN(2 * ALIGN(width/2, 32) * ALIGN(height/2, 32), 4096);
282 break;
283 case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: // NV12
284 // The chroma plane is subsampled,
285 // but the pitch in bytes is unchanged
286 // The GPU needs 4K alignment, but the video decoder needs 8K
287 size = ALIGN( alignedw * alignedh, 8192);
288 size += ALIGN( alignedw * ALIGN(height/2, 32), 8192);
289 break;
290 case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
291 case HAL_PIXEL_FORMAT_YV12:
292 if ((format == HAL_PIXEL_FORMAT_YV12) && ((width&1) || (height&1))) {
293 ALOGE("w or h is odd for the YV12 format");
294 return -EINVAL;
295 }
296 alignedh = height;
297 if (HAL_PIXEL_FORMAT_NV12_ENCODEABLE == format) {
298 // The encoder requires a 2K aligned chroma offset.
299 size = ALIGN(alignedw*alignedh, 2048) +
300 (ALIGN(alignedw/2, 16) * (alignedh/2))*2;
301 } else {
302 size = alignedw*alignedh +
303 (ALIGN(alignedw/2, 16) * (alignedh/2))*2;
304 }
305 size = ALIGN(size, 4096);
306 break;
307 case HAL_PIXEL_FORMAT_YCbCr_420_SP:
308 case HAL_PIXEL_FORMAT_YCrCb_420_SP:
309 alignedh = height;
310 size = ALIGN((alignedw*alignedh) + (alignedw* alignedh)/2, 4096);
311 break;
312 case HAL_PIXEL_FORMAT_YCbCr_422_SP:
313 case HAL_PIXEL_FORMAT_YCrCb_422_SP:
314 if(width & 1) {
315 ALOGE("width is odd for the YUV422_SP format");
316 return -EINVAL;
317 }
318 alignedh = height;
319 size = ALIGN(alignedw * alignedh * 2, 4096);
320 break;
321 case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS:
322 alignedh = VENUS_Y_SCANLINES(COLOR_FMT_NV12, height);
323 size = VENUS_BUFFER_SIZE(COLOR_FMT_NV12, width, height);
324 break;
325 case HAL_PIXEL_FORMAT_BLOB:
326 if(height != 1) {
327 ALOGE("%s: Buffers with format HAL_PIXEL_FORMAT_BLOB \
328 must have height==1 ", __FUNCTION__);
329 return -EINVAL;
330 }
331 alignedh = height;
332 alignedw = width;
333 size = width;
334 break;
335 default:
336 ALOGE("unrecognized pixel format: 0x%x", format);
337 return -EINVAL;
338 }
339
340 return size;
341 }
342
343 // Allocate buffer from width, height and format into a
344 // private_handle_t. It is the responsibility of the caller
345 // to free the buffer using the free_buffer function
alloc_buffer(private_handle_t ** pHnd,int w,int h,int format,int usage)346 int alloc_buffer(private_handle_t **pHnd, int w, int h, int format, int usage)
347 {
348 alloc_data data;
349 int alignedw, alignedh;
350 gralloc::IAllocController* sAlloc =
351 gralloc::IAllocController::getInstance();
352 data.base = 0;
353 data.fd = -1;
354 data.offset = 0;
355 data.size = getBufferSizeAndDimensions(w, h, format, alignedw, alignedh);
356 data.align = getpagesize();
357 data.uncached = useUncached(usage);
358 int allocFlags = usage;
359
360 int err = sAlloc->allocate(data, allocFlags);
361 if (0 != err) {
362 ALOGE("%s: allocate failed", __FUNCTION__);
363 return -ENOMEM;
364 }
365
366 private_handle_t* hnd = new private_handle_t(data.fd, data.size,
367 data.allocType, 0, format,
368 alignedw, alignedh);
369 hnd->base = (int) data.base;
370 hnd->offset = data.offset;
371 hnd->gpuaddr = 0;
372 *pHnd = hnd;
373 return 0;
374 }
375
free_buffer(private_handle_t * hnd)376 void free_buffer(private_handle_t *hnd)
377 {
378 gralloc::IAllocController* sAlloc =
379 gralloc::IAllocController::getInstance();
380 if (hnd && hnd->fd > 0) {
381 IMemAlloc* memalloc = sAlloc->getAllocator(hnd->flags);
382 memalloc->free_buffer((void*)hnd->base, hnd->size, hnd->offset, hnd->fd);
383 }
384 if(hnd)
385 delete hnd;
386
387 }
388