1 /*
2 * Copyright (c) 2011-2017, 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 <algorithm>
32 #include <vector>
33
34 #include "gr_utils.h"
35 #include "gr_allocator.h"
36 #include "gralloc_priv.h"
37
38 #include "qd_utils.h"
39
40 #ifndef ION_FLAG_CP_PIXEL
41 #define ION_FLAG_CP_PIXEL 0
42 #endif
43
44 #ifndef ION_FLAG_ALLOW_NON_CONTIG
45 #define ION_FLAG_ALLOW_NON_CONTIG 0
46 #endif
47
48 #ifndef ION_FLAG_CP_CAMERA_PREVIEW
49 #define ION_FLAG_CP_CAMERA_PREVIEW 0
50 #endif
51
52 #ifdef MASTER_SIDE_CP
53 #define CP_HEAP_ID ION_SECURE_HEAP_ID
54 #define SD_HEAP_ID ION_SECURE_DISPLAY_HEAP_ID
55 #define ION_CP_FLAGS (ION_SECURE | ION_FLAG_CP_PIXEL)
56 #define ION_SD_FLAGS (ION_SECURE | ION_FLAG_CP_SEC_DISPLAY)
57 #define ION_SC_FLAGS (ION_SECURE | ION_FLAG_CP_CAMERA)
58 #define ION_SC_PREVIEW_FLAGS (ION_SECURE | ION_FLAG_CP_CAMERA_PREVIEW)
59 #else // SLAVE_SIDE_CP
60 #define CP_HEAP_ID ION_CP_MM_HEAP_ID
61 #define SD_HEAP_ID CP_HEAP_ID
62 #define ION_CP_FLAGS (ION_SECURE | ION_FLAG_ALLOW_NON_CONTIG)
63 #define ION_SD_FLAGS ION_SECURE
64 #define ION_SC_FLAGS ION_SECURE
65 #define ION_SC_PREVIEW_FLAGS ION_SECURE
66 #endif
67
68 using std::vector;
69 using std::shared_ptr;
70
71 namespace gralloc1 {
72
GetBufferInfo(const BufferDescriptor & descriptor)73 static BufferInfo GetBufferInfo(const BufferDescriptor &descriptor) {
74 return BufferInfo(descriptor.GetWidth(), descriptor.GetHeight(), descriptor.GetFormat(),
75 descriptor.GetProducerUsage(), descriptor.GetConsumerUsage());
76 }
77
Allocator()78 Allocator::Allocator() : ion_allocator_(NULL) {
79 }
80
Init()81 bool Allocator::Init() {
82 ion_allocator_ = new IonAlloc();
83 if (!ion_allocator_->Init()) {
84 return false;
85 }
86
87 return true;
88 }
89
~Allocator()90 Allocator::~Allocator() {
91 if (ion_allocator_) {
92 delete ion_allocator_;
93 }
94 }
95
AllocateMem(AllocData * alloc_data,gralloc1_producer_usage_t prod_usage,gralloc1_consumer_usage_t cons_usage)96 int Allocator::AllocateMem(AllocData *alloc_data, gralloc1_producer_usage_t prod_usage,
97 gralloc1_consumer_usage_t cons_usage) {
98 int ret;
99 alloc_data->uncached = UseUncached(prod_usage, cons_usage);
100
101 // After this point we should have the right heap set, there is no fallback
102 GetIonHeapInfo(prod_usage, cons_usage, &alloc_data->heap_id, &alloc_data->alloc_type,
103 &alloc_data->flags);
104
105 ret = ion_allocator_->AllocBuffer(alloc_data);
106 if (ret >= 0) {
107 alloc_data->alloc_type |= private_handle_t::PRIV_FLAGS_USES_ION;
108 } else {
109 ALOGE("%s: Failed to allocate buffer - heap: 0x%x flags: 0x%x", __FUNCTION__,
110 alloc_data->heap_id, alloc_data->flags);
111 }
112
113 return ret;
114 }
115
MapBuffer(void ** base,unsigned int size,unsigned int offset,int fd)116 int Allocator::MapBuffer(void **base, unsigned int size, unsigned int offset, int fd) {
117 if (ion_allocator_) {
118 return ion_allocator_->MapBuffer(base, size, offset, fd);
119 }
120
121 return -EINVAL;
122 }
123
ImportBuffer(int fd)124 int Allocator::ImportBuffer(int fd) {
125 if (ion_allocator_) {
126 return ion_allocator_->ImportBuffer(fd);
127 }
128 return -EINVAL;
129 }
130
FreeBuffer(void * base,unsigned int size,unsigned int offset,int fd,int handle)131 int Allocator::FreeBuffer(void *base, unsigned int size, unsigned int offset, int fd,
132 int handle) {
133 if (ion_allocator_) {
134 return ion_allocator_->FreeBuffer(base, size, offset, fd, handle);
135 }
136
137 return -EINVAL;
138 }
139
CleanBuffer(void * base,unsigned int size,unsigned int offset,int handle,int op)140 int Allocator::CleanBuffer(void *base, unsigned int size, unsigned int offset, int handle, int op) {
141 if (ion_allocator_) {
142 return ion_allocator_->CleanBuffer(base, size, offset, handle, op);
143 }
144
145 return -EINVAL;
146 }
147
CheckForBufferSharing(uint32_t num_descriptors,const vector<shared_ptr<BufferDescriptor>> & descriptors,ssize_t * max_index)148 bool Allocator::CheckForBufferSharing(uint32_t num_descriptors,
149 const vector<shared_ptr<BufferDescriptor>>& descriptors,
150 ssize_t *max_index) {
151 unsigned int cur_heap_id = 0, prev_heap_id = 0;
152 unsigned int cur_alloc_type = 0, prev_alloc_type = 0;
153 unsigned int cur_ion_flags = 0, prev_ion_flags = 0;
154 bool cur_uncached = false, prev_uncached = false;
155 unsigned int alignedw, alignedh;
156 unsigned int max_size = 0;
157
158 *max_index = -1;
159 for (uint32_t i = 0; i < num_descriptors; i++) {
160 // Check Cached vs non-cached and all the ION flags
161 cur_uncached = UseUncached(descriptors[i]->GetProducerUsage(),
162 descriptors[i]->GetConsumerUsage());
163 GetIonHeapInfo(descriptors[i]->GetProducerUsage(), descriptors[i]->GetConsumerUsage(),
164 &cur_heap_id, &cur_alloc_type, &cur_ion_flags);
165
166 if (i > 0 && (cur_heap_id != prev_heap_id || cur_alloc_type != prev_alloc_type ||
167 cur_ion_flags != prev_ion_flags)) {
168 return false;
169 }
170
171 // For same format type, find the descriptor with bigger size
172 GetAlignedWidthAndHeight(GetBufferInfo(*descriptors[i]), &alignedw, &alignedh);
173 unsigned int size = GetSize(GetBufferInfo(*descriptors[i]), alignedw, alignedh);
174 if (max_size < size) {
175 *max_index = INT(i);
176 max_size = size;
177 }
178
179 prev_heap_id = cur_heap_id;
180 prev_uncached = cur_uncached;
181 prev_ion_flags = cur_ion_flags;
182 prev_alloc_type = cur_alloc_type;
183 }
184
185 return true;
186 }
187
GetImplDefinedFormat(gralloc1_producer_usage_t prod_usage,gralloc1_consumer_usage_t cons_usage,int format)188 int Allocator::GetImplDefinedFormat(gralloc1_producer_usage_t prod_usage,
189 gralloc1_consumer_usage_t cons_usage, int format) {
190 int gr_format = format;
191
192 // If input format is HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED then based on
193 // the usage bits, gralloc assigns a format.
194 if (format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED ||
195 format == HAL_PIXEL_FORMAT_YCbCr_420_888) {
196 if (prod_usage & GRALLOC1_PRODUCER_USAGE_PRIVATE_ALLOC_UBWC) {
197 gr_format = HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS_UBWC;
198 } else if (cons_usage & GRALLOC1_CONSUMER_USAGE_VIDEO_ENCODER) {
199 gr_format = HAL_PIXEL_FORMAT_NV12_ENCODEABLE; // NV12
200 } else if (cons_usage & GRALLOC1_CONSUMER_USAGE_CAMERA) {
201 if (prod_usage & GRALLOC1_PRODUCER_USAGE_CAMERA) {
202 // Assumed ZSL if both producer and consumer camera flags set
203 gr_format = HAL_PIXEL_FORMAT_NV21_ZSL; // NV21
204 } else {
205 gr_format = HAL_PIXEL_FORMAT_YCrCb_420_SP; // NV21
206 }
207 } else if (prod_usage & GRALLOC1_PRODUCER_USAGE_CAMERA) {
208 if (format == HAL_PIXEL_FORMAT_YCbCr_420_888) {
209 gr_format = HAL_PIXEL_FORMAT_NV21_ZSL; // NV21
210 } else {
211 gr_format = HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS; // NV12 preview
212 }
213 } else if (cons_usage & GRALLOC1_CONSUMER_USAGE_HWCOMPOSER) {
214 // XXX: If we still haven't set a format, default to RGBA8888
215 gr_format = HAL_PIXEL_FORMAT_RGBA_8888;
216 } else if (format == HAL_PIXEL_FORMAT_YCbCr_420_888) {
217 // If no other usage flags are detected, default the
218 // flexible YUV format to NV21_ZSL
219 gr_format = HAL_PIXEL_FORMAT_NV21_ZSL;
220 }
221 }
222
223 return gr_format;
224 }
225
226 /* The default policy is to return cached buffers unless the client explicity
227 * sets the PRIVATE_UNCACHED flag or indicates that the buffer will be rarely
228 * read or written in software. */
UseUncached(gralloc1_producer_usage_t prod_usage,gralloc1_consumer_usage_t cons_usage)229 bool Allocator::UseUncached(gralloc1_producer_usage_t prod_usage,
230 gralloc1_consumer_usage_t cons_usage) {
231 if ((prod_usage & GRALLOC1_PRODUCER_USAGE_PRIVATE_UNCACHED) ||
232 (prod_usage & GRALLOC1_PRODUCER_USAGE_PROTECTED)) {
233 return true;
234 }
235
236 // CPU read rarely
237 if ((prod_usage & GRALLOC1_PRODUCER_USAGE_CPU_READ) &&
238 !(prod_usage & GRALLOC1_PRODUCER_USAGE_CPU_READ_OFTEN)) {
239 return true;
240 }
241
242 // CPU write rarely
243 if ((prod_usage & GRALLOC1_PRODUCER_USAGE_CPU_WRITE) &&
244 !(prod_usage & GRALLOC1_PRODUCER_USAGE_CPU_WRITE_OFTEN)) {
245 return true;
246 }
247
248 if ((prod_usage & GRALLOC1_PRODUCER_USAGE_SENSOR_DIRECT_DATA) ||
249 (cons_usage & GRALLOC1_CONSUMER_USAGE_GPU_DATA_BUFFER)) {
250 return true;
251 }
252
253 return false;
254 }
255
GetIonHeapInfo(gralloc1_producer_usage_t prod_usage,gralloc1_consumer_usage_t cons_usage,unsigned int * ion_heap_id,unsigned int * alloc_type,unsigned int * ion_flags)256 void Allocator::GetIonHeapInfo(gralloc1_producer_usage_t prod_usage,
257 gralloc1_consumer_usage_t cons_usage, unsigned int *ion_heap_id,
258 unsigned int *alloc_type, unsigned int *ion_flags) {
259 unsigned int heap_id = 0;
260 unsigned int type = 0;
261 uint32_t flags = 0;
262 if (prod_usage & GRALLOC1_PRODUCER_USAGE_PROTECTED) {
263 if (cons_usage & GRALLOC1_CONSUMER_USAGE_PRIVATE_SECURE_DISPLAY) {
264 heap_id = ION_HEAP(SD_HEAP_ID);
265 /*
266 * There is currently no flag in ION for Secure Display
267 * VM. Please add it to the define once available.
268 */
269 flags |= UINT(ION_SD_FLAGS);
270 } else if (prod_usage & GRALLOC1_PRODUCER_USAGE_CAMERA) {
271 heap_id = ION_HEAP(SD_HEAP_ID);
272 if (cons_usage & GRALLOC1_CONSUMER_USAGE_HWCOMPOSER) {
273 flags |= UINT(ION_SC_PREVIEW_FLAGS);
274 } else {
275 flags |= UINT(ION_SC_FLAGS);
276 }
277 } else {
278 heap_id = ION_HEAP(CP_HEAP_ID);
279 flags |= UINT(ION_CP_FLAGS);
280 }
281 } else if (prod_usage & GRALLOC1_PRODUCER_USAGE_PRIVATE_MM_HEAP) {
282 // MM Heap is exclusively a secure heap.
283 // If it is used for non secure cases, fallback to IOMMU heap
284 ALOGW("MM_HEAP cannot be used as an insecure heap. Using system heap instead!!");
285 heap_id |= ION_HEAP(ION_SYSTEM_HEAP_ID);
286 }
287
288 if (prod_usage & GRALLOC1_PRODUCER_USAGE_PRIVATE_CAMERA_HEAP) {
289 heap_id |= ION_HEAP(ION_CAMERA_HEAP_ID);
290 }
291
292 if (prod_usage & GRALLOC1_PRODUCER_USAGE_PRIVATE_ADSP_HEAP ||
293 prod_usage & GRALLOC1_PRODUCER_USAGE_SENSOR_DIRECT_DATA) {
294 heap_id |= ION_HEAP(ION_ADSP_HEAP_ID);
295 }
296
297 if (flags & UINT(ION_SECURE)) {
298 type |= private_handle_t::PRIV_FLAGS_SECURE_BUFFER;
299 }
300
301 // if no ion heap flags are set, default to system heap
302 if (!heap_id) {
303 heap_id = ION_HEAP(ION_SYSTEM_HEAP_ID);
304 }
305
306 *alloc_type = type;
307 *ion_flags = flags;
308 *ion_heap_id = heap_id;
309
310 return;
311 }
312 } // namespace gralloc1
313