1 /*
2 * Copyright (c) 2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "display_gralloc_gbm.h"
17 #include <stdio.h>
18 #include <unistd.h>
19 #include <inttypes.h>
20 #include <string.h>
21 #include <errno.h>
22 #include <fcntl.h>
23 #include <limits.h>
24 #include <pthread.h>
25 #include <sys/mman.h>
26 #include <xf86drm.h>
27 #include <securec.h>
28 #include <linux/dma-buf.h>
29 #include "drm_fourcc.h"
30 #include "hisilicon_drm.h"
31 #include "hi_gbm.h"
32 #include "hdf_dlist.h"
33 #include "display_gralloc_private.h"
34 #include "display_common.h"
35
36 const char *g_drmFileNode = "/dev/dri/renderD128";
37 static GrallocManager *g_grallocManager = NULL;
38 static pthread_mutex_t g_lock;
39
40 typedef struct {
41 uint32_t drmFormat;
42 PixelFormat pixFormat;
43 } PixelFormatConvertTbl;
44
45 typedef struct {
46 uint32_t value;
47 const char *str;
48 } ValueStrMap;
49
GetGrallocManager(void)50 static GrallocManager *GetGrallocManager(void)
51 {
52 if (g_grallocManager == NULL) {
53 g_grallocManager = (GrallocManager *)malloc(sizeof(GrallocManager));
54 errno_t eok = memset_s(g_grallocManager, sizeof(GrallocManager), 0, sizeof(GrallocManager));
55 if (eok != EOK) {
56 DISPLAY_LOGE("memset_s failed");
57 }
58 if (g_grallocManager == NULL) {
59 DISPLAY_LOGE("gralloc manager malloc failed");
60 }
61 }
62 return g_grallocManager;
63 }
64
GetPixelFmtStr(PixelFormat format)65 const char *GetPixelFmtStr(PixelFormat format)
66 {
67 static const ValueStrMap pixelStrMaps[] = {
68 {PIXEL_FMT_CLUT8, "PIXEL_FMT_CLUT8"}, {PIXEL_FMT_CLUT1, "PIXEL_FMT_CLUT1"},
69 {PIXEL_FMT_CLUT4, "PIXEL_FMT_CLUT4"}, {PIXEL_FMT_RGB_565, "PIXEL_FMT_RGB_565"},
70 {PIXEL_FMT_RGBA_5658, "IXEL_FMT_RGBA_5658"}, {PIXEL_FMT_RGBX_4444, "PIXEL_FMT_RGBX_4444"},
71 {PIXEL_FMT_RGBA_4444, "PIXEL_FMT_RGBA_4444"}, {PIXEL_FMT_RGB_444, "PIXEL_FMT_RGB_444"},
72 {PIXEL_FMT_RGBX_5551, "PIXEL_FMT_RGBX_5551"}, {PIXEL_FMT_RGBA_5551, "PIXEL_FMT_RGBA_5551"},
73 {PIXEL_FMT_RGB_555, "PIXEL_FMT_RGB_555"}, {PIXEL_FMT_RGBX_8888, "PIXEL_FMT_RGBX_8888"},
74 {PIXEL_FMT_RGBA_8888, "PIXEL_FMT_RGBA_8888"}, {PIXEL_FMT_RGB_888, "PIXEL_FMT_RGB_888"},
75 {PIXEL_FMT_BGR_565, "PIXEL_FMT_BGR_565"}, {PIXEL_FMT_BGRX_4444, "PIXEL_FMT_BGRX_4444"},
76 {PIXEL_FMT_BGRA_4444, "PIXEL_FMT_BGRA_4444"}, {PIXEL_FMT_BGRX_5551, "PIXEL_FMT_BGRX_5551"},
77 {PIXEL_FMT_BGRA_5551, "PIXEL_FMT_BGRA_5551"}, {PIXEL_FMT_BGRX_8888, "PIXEL_FMT_BGRX_8888"},
78 {PIXEL_FMT_BGRA_8888, "PIXEL_FMT_BGRA_8888"}, {PIXEL_FMT_YUV_422_I, "PIXEL_FMT_YUV_422_I"},
79 {PIXEL_FMT_YUV_422_I, "PIXEL_FMT_YUV_422_I"}, {PIXEL_FMT_YCBCR_422_SP, "PIXEL_FMT_YCBCR_422_SP"},
80 {PIXEL_FMT_YCRCB_422_SP, "PIXEL_FMT_YCRCB_422_SP"}, {PIXEL_FMT_YCBCR_420_SP, "PIXEL_FMT_YCBCR_420_SP"},
81 {PIXEL_FMT_YCRCB_420_SP, "PIXEL_FMT_YCRCB_420_SP"}, {PIXEL_FMT_YCBCR_422_P, "PIXEL_FMT_YCBCR_422_P"},
82 {PIXEL_FMT_YCRCB_422_P, "PIXEL_FMT_YCRCB_422_P"}, {PIXEL_FMT_YCBCR_420_P, "PIXEL_FMT_YCBCR_420_P"},
83 {PIXEL_FMT_YCRCB_420_P, "PIXEL_FMT_YCRCB_420_P"}, {PIXEL_FMT_YUYV_422_PKG, "PIXEL_FMT_YUYV_422_PKG"},
84 {PIXEL_FMT_UYVY_422_PKG, "PIXEL_FMT_UYVY_422_PKG"}, {PIXEL_FMT_YVYU_422_PKG, "PIXEL_FMT_YVYU_422_PKG"},
85 {PIXEL_FMT_VYUY_422_PKG, "PIXEL_FMT_VYUY_422_PKG"}, {PIXEL_FMT_BUTT, "PIXEL_FMT_BUTT"},
86 };
87 static const char *unknown = "unknown format";
88 for (uint32_t i = 0; i < sizeof(pixelStrMaps) / sizeof(pixelStrMaps[0]); i++) {
89 if (pixelStrMaps[i].value == format) {
90 return pixelStrMaps[i].str;
91 }
92 }
93 DISPLAY_LOGE("GetPixelFmtStr unknown format %{public}d", format);
94 return unknown;
95 }
96
GetDrmFmtStr(uint32_t format)97 const char *GetDrmFmtStr(uint32_t format)
98 {
99 static const ValueStrMap formatStrMaps[] = {
100 {DRM_FORMAT_C8, "DRM_FORMAT_C8" }, {DRM_FORMAT_R8, "DRM_FORMAT_R8" },
101 {DRM_FORMAT_R16, "DRM_FORMAT_R16"}, {DRM_FORMAT_RG88, "DRM_FORMAT_RG88"},
102 {DRM_FORMAT_GR88, "DRM_FORMAT_GR88"}, {DRM_FORMAT_RG1616, "DRM_FORMAT_RG1616"},
103 {DRM_FORMAT_GR1616, "DRM_FORMAT_GR1616"}, {DRM_FORMAT_RGB332, "DRM_FORMAT_RGB332"},
104 {DRM_FORMAT_BGR233, "DRM_FORMAT_BGR233"}, {DRM_FORMAT_XRGB4444, "DRM_FORMAT_XRGB4444"},
105 {DRM_FORMAT_XBGR4444, "DRM_FORMAT_XBGR4444"}, {DRM_FORMAT_RGBX4444, "DRM_FORMAT_RGBX4444"},
106 {DRM_FORMAT_BGRX4444, "DRM_FORMAT_BGRX4444"}, {DRM_FORMAT_ARGB4444, "DRM_FORMAT_ARGB4444"},
107 {DRM_FORMAT_ABGR4444, "DRM_FORMAT_ABGR4444"}, {DRM_FORMAT_RGBA4444, "DRM_FORMAT_RGBA4444"},
108 {DRM_FORMAT_BGRA4444, "DRM_FORMAT_BGRA4444"}, {DRM_FORMAT_XRGB1555, "DRM_FORMAT_XRGB1555"},
109 {DRM_FORMAT_XBGR1555, "DRM_FORMAT_XBGR1555"}, {DRM_FORMAT_RGBX5551, "DRM_FORMAT_RGBX5551"},
110 {DRM_FORMAT_BGRX5551, "DRM_FORMAT_BGRX5551"}, {DRM_FORMAT_ARGB1555, "DRM_FORMAT_ARGB1555"},
111 {DRM_FORMAT_ABGR1555, "DRM_FORMAT_ABGR1555"}, {DRM_FORMAT_RGBA5551, "DRM_FORMAT_RGBA5551"},
112 {DRM_FORMAT_BGRA5551, "DRM_FORMAT_BGRA5551"}, {DRM_FORMAT_RGB565, "DRM_FORMAT_RGB565"},
113 {DRM_FORMAT_BGR565, "DRM_FORMAT_BGR565"}, {DRM_FORMAT_RGB888, "DRM_FORMAT_RGB888"},
114 {DRM_FORMAT_BGR888, "DRM_FORMAT_BGR888"}, {DRM_FORMAT_XRGB8888, "DRM_FORMAT_XRGB8888"},
115 {DRM_FORMAT_XBGR8888, "DRM_FORMAT_XBGR8888"}, {DRM_FORMAT_RGBX8888, "DRM_FORMAT_RGBX8888"},
116 {DRM_FORMAT_BGRX8888, "DRM_FORMAT_BGRX8888"}, {DRM_FORMAT_ARGB8888, "DRM_FORMAT_ARGB8888"},
117 {DRM_FORMAT_ABGR8888, "DRM_FORMAT_ABGR8888"}, {DRM_FORMAT_RGBA8888, "DRM_FORMAT_RGBA8888"},
118 {DRM_FORMAT_BGRA8888, "DRM_FORMAT_BGRA8888"}, {DRM_FORMAT_XRGB2101010, "DRM_FORMAT_XRGB2101010"},
119 {DRM_FORMAT_BGRX1010102, "DRM_FORMAT_BGRX1010102"}, {DRM_FORMAT_ARGB2101010, "DRM_FORMAT_ARGB2101010"},
120 {DRM_FORMAT_ABGR2101010, "DRM_FORMAT_ABGR2101010"}, {DRM_FORMAT_RGBA1010102, "DRM_FORMAT_RGBA1010102"},
121 {DRM_FORMAT_YVYU, "DRM_FORMAT_YVYU"}, {DRM_FORMAT_UYVY, "DRM_FORMAT_UYVY"},
122 {DRM_FORMAT_VYUY, "DRM_FORMAT_VYUY"}, {DRM_FORMAT_AYUV, "DRM_FORMAT_AYUV"},
123 {DRM_FORMAT_NV12, "DRM_FORMAT_NV12"}, {DRM_FORMAT_NV21, "DRM_FORMAT_NV21"},
124 {DRM_FORMAT_NV16, "DRM_FORMAT_NV16"}, {DRM_FORMAT_NV61, "DRM_FORMAT_NV61"},
125 {DRM_FORMAT_NV24, "DRM_FORMAT_NV24"}, {DRM_FORMAT_NV42, "DRM_FORMAT_NV42"},
126 {DRM_FORMAT_YUV410, "DRM_FORMAT_YUV410"}, {DRM_FORMAT_YVU410, "DRM_FORMAT_YVU410"},
127 {DRM_FORMAT_YUV411, "DRM_FORMAT_YUV411"}, {DRM_FORMAT_YVU411, "DRM_FORMAT_YVU411"},
128 {DRM_FORMAT_YUV420, "DRM_FORMAT_YUV420"}, {DRM_FORMAT_YVU420, "DRM_FORMAT_YVU420"},
129 {DRM_FORMAT_YUV422, "DRM_FORMAT_YUV422"}, {DRM_FORMAT_YVU422, "DRM_FORMAT_YVU422"},
130 {DRM_FORMAT_YUV444, "DRM_FORMAT_YUV444"}, {DRM_FORMAT_YVU444, "DRM_FORMAT_YVU444"},
131 };
132
133 static const char *unknown = "unknown drm format";
134 for (uint32_t i = 0; i < sizeof(formatStrMaps) / sizeof(formatStrMaps[0]); i++) {
135 if (formatStrMaps[i].value == format) {
136 return formatStrMaps[i].str;
137 }
138 }
139 DISPLAY_LOGE("GetDrmFmtStr unknown format %{public}d", format);
140 return unknown;
141 }
142
ConvertFormatToDrm(PixelFormat fmtIn)143 static uint32_t ConvertFormatToDrm(PixelFormat fmtIn)
144 {
145 static const PixelFormatConvertTbl convertTable[] = {
146 {DRM_FORMAT_RGBX8888, PIXEL_FMT_RGBX_8888}, {DRM_FORMAT_RGBA8888, PIXEL_FMT_RGBA_8888},
147 {DRM_FORMAT_RGB888, PIXEL_FMT_RGB_888}, {DRM_FORMAT_RGB565, PIXEL_FMT_BGR_565},
148 {DRM_FORMAT_BGRX4444, PIXEL_FMT_BGRX_4444}, {DRM_FORMAT_BGRA4444, PIXEL_FMT_BGRA_4444},
149 {DRM_FORMAT_RGBA4444, PIXEL_FMT_RGBA_4444}, {DRM_FORMAT_RGBX4444, PIXEL_FMT_RGBX_4444},
150 {DRM_FORMAT_BGRX5551, PIXEL_FMT_BGRX_5551}, {DRM_FORMAT_BGRA5551, PIXEL_FMT_BGRA_5551},
151 {DRM_FORMAT_BGRX8888, PIXEL_FMT_BGRX_8888}, {DRM_FORMAT_BGRA8888, PIXEL_FMT_BGRA_8888},
152 {DRM_FORMAT_NV12, PIXEL_FMT_YCBCR_420_SP}, {DRM_FORMAT_NV21, PIXEL_FMT_YCRCB_420_SP},
153 {DRM_FORMAT_YUV420, PIXEL_FMT_YCBCR_420_P}, {DRM_FORMAT_YVU420, PIXEL_FMT_YCRCB_420_P},
154 {DRM_FORMAT_NV16, PIXEL_FMT_YCBCR_422_SP}, {DRM_FORMAT_NV61, PIXEL_FMT_YCRCB_422_SP},
155 {DRM_FORMAT_YUV422, PIXEL_FMT_YCBCR_422_P}, {DRM_FORMAT_YVU422, PIXEL_FMT_YCRCB_422_P},
156 };
157 uint32_t fmtOut = 0;
158 for (uint32_t i = 0; i < sizeof(convertTable) / sizeof(convertTable[0]); i++) {
159 if (convertTable[i].pixFormat == fmtIn) {
160 fmtOut = convertTable[i].drmFormat;
161 }
162 }
163 DISPLAY_DEBUGLOG("fmtIn %{public}d : %{public}s, outFmt %{public}d : %{public}s", fmtIn,
164 GetPixelFmtStr(fmtIn), fmtOut, GetDrmFmtStr(fmtOut));
165 return fmtOut;
166 }
167
ConvertUsageToGbm(uint64_t inUsage)168 static uint64_t ConvertUsageToGbm(uint64_t inUsage)
169 {
170 uint64_t outUsage = GBM_BO_USE_TEXTURING;
171 if (inUsage & HBM_USE_CPU_READ) {
172 outUsage |= GBM_BO_USE_SW_READ_OFTEN;
173 }
174 if (inUsage & HBM_USE_CPU_WRITE) {
175 outUsage |= GBM_BO_USE_SW_WRITE_OFTEN;
176 }
177 DISPLAY_DEBUGLOG("outUsage 0x%{public}" PRIx64 "", outUsage);
178 return outUsage;
179 }
180
InitGbmDevice(const char * drmFile,GrallocManager * grallocManager)181 static int32_t InitGbmDevice(const char *drmFile, GrallocManager *grallocManager)
182 {
183 DISPLAY_DEBUGLOG();
184 if (grallocManager->gbmDevice == NULL) {
185 char path[PATH_MAX] = {0};
186 if (realpath(drmFile, path) == NULL) {
187 DISPLAY_LOGE(" drm File : %{public}s is not a realpath, errno: %{public}s", drmFile, strerror(errno));
188 return DISPLAY_PARAM_ERR;
189 }
190 int drmFd = open(path, O_RDWR);
191 if (drmFd < 0) {
192 DISPLAY_LOGE("drm file:%{public}s open failed %{public}s", drmFile, strerror(errno));
193 return DISPLAY_FD_ERR;
194 }
195 drmDropMaster(drmFd);
196 struct gbm_device *gbmDevice = hdi_gbm_create_device(drmFd);
197 grallocManager->drmFd = drmFd;
198 if (gbmDevice == NULL) {
199 close(drmFd);
200 grallocManager->drmFd = -1;
201 DISPLAY_LOGE("gbm device create failed");
202 return DISPLAY_FAILURE;
203 }
204 grallocManager->gbmDevice = gbmDevice;
205 grallocManager->drmFd = drmFd;
206 DListHeadInit(&grallocManager->gbmBoHead);
207 }
208 return DISPLAY_SUCCESS;
209 }
210
DeInitGbmDevice(GrallocManager * grallocManager)211 static void DeInitGbmDevice(GrallocManager *grallocManager)
212 {
213 DISPLAY_DEBUGLOG();
214 hdi_gbm_device_destroy(grallocManager->gbmDevice);
215 if (grallocManager->drmFd > 0) {
216 close(grallocManager->drmFd);
217 grallocManager->drmFd = -1;
218 }
219 grallocManager->gbmDevice = NULL;
220 }
221
DmaBufferSync(const BufferHandle * handle,bool start)222 static int32_t DmaBufferSync(const BufferHandle *handle, bool start)
223 {
224 DISPLAY_DEBUGLOG();
225 struct dma_buf_sync syncPrm;
226 errno_t eok = memset_s(&syncPrm, sizeof(syncPrm), 0, sizeof(syncPrm));
227 DISPLAY_CHK_RETURN((eok != EOK), DISPLAY_PARAM_ERR, DISPLAY_LOGE("dma buffer sync memset_s failed"));
228
229 if (handle->usage & HBM_USE_CPU_WRITE) {
230 syncPrm.flags |= DMA_BUF_SYNC_WRITE;
231 }
232
233 if (handle->usage & HBM_USE_CPU_READ) {
234 syncPrm.flags |= DMA_BUF_SYNC_READ;
235 }
236
237 if (start) {
238 syncPrm.flags |= DMA_BUF_SYNC_START;
239 } else {
240 syncPrm.flags |= DMA_BUF_SYNC_END;
241 }
242 int retry = 6;
243 int ret;
244 do {
245 ret = ioctl(handle->fd, DMA_BUF_IOCTL_SYNC, &syncPrm);
246 } while ((retry--) && (ret != -EAGAIN) && (ret != -EINTR));
247
248 if (ret < 0) {
249 DISPLAY_LOGE("sync failed");
250 return DISPLAY_SYS_BUSY;
251 }
252 return DISPLAY_SUCCESS;
253 }
254
InitBufferHandle(struct gbm_bo * bo,int fd,const AllocInfo * info,PriBufferHandle * buffer)255 static void InitBufferHandle(struct gbm_bo *bo, int fd, const AllocInfo *info, PriBufferHandle *buffer)
256 {
257 BufferHandle *bufferHandle = &(buffer->hdl);
258 bufferHandle->fd = fd;
259 bufferHandle->reserveFds = 0;
260 bufferHandle->reserveInts = 0;
261 bufferHandle->stride = hdi_gbm_bo_get_stride(bo);
262 bufferHandle->width = hdi_gbm_bo_get_width(bo);
263 bufferHandle->height = hdi_gbm_bo_get_height(bo);
264 bufferHandle->usage = info->usage;
265 bufferHandle->format = info->format;
266 bufferHandle->virAddr = NULL;
267 bufferHandle->size = hdi_gbm_bo_get_size(bo);
268 }
269
GbmAllocMem(const AllocInfo * info,BufferHandle ** buffer)270 int32_t GbmAllocMem(const AllocInfo *info, BufferHandle **buffer)
271 {
272 DISPLAY_CHK_RETURN((info == NULL), DISPLAY_NULL_PTR, DISPLAY_LOGE("info is null"));
273 DISPLAY_CHK_RETURN((buffer == NULL), DISPLAY_NULL_PTR, DISPLAY_LOGE("buffer is null"));
274 PriBufferHandle *priBuffer = NULL;
275 uint32_t drmFmt = ConvertFormatToDrm(info->format);
276 DISPLAY_CHK_RETURN((drmFmt == INVALID_PIXEL_FMT), DISPLAY_NOT_SUPPORT,
277 DISPLAY_LOGE("format %{public}d can not support", info->format));
278 DISPLAY_DEBUGLOG("requeset width %{public}d, heigt %{public}d, format %{public}d",
279 info->width, info->height, drmFmt);
280
281 GRALLOC_LOCK();
282 GrallocManager *grallocManager = GetGrallocManager();
283 DISPLAY_CHK_RETURN((grallocManager == NULL), DISPLAY_PARAM_ERR, DISPLAY_LOGE("gralloc manager failed");
284 GRALLOC_UNLOCK());
285 struct gbm_bo *bo =
286 hdi_gbm_bo_create(grallocManager->gbmDevice, info->width, info->height, drmFmt, ConvertUsageToGbm(info->usage));
287 DISPLAY_CHK_RETURN((bo == NULL), DISPLAY_NOMEM, DISPLAY_LOGE("gbm create bo failed"); \
288 GRALLOC_UNLOCK());
289
290 int fd = hdi_gbm_bo_get_fd(bo);
291 DISPLAY_CHK_RETURN((fd < 0), DISPLAY_FD_ERR, DISPLAY_LOGE("gbm can not get fd"); \
292 hdi_gbm_bo_destroy(bo); \
293 GRALLOC_UNLOCK());
294
295 priBuffer = (PriBufferHandle *)malloc(sizeof(PriBufferHandle));
296 DISPLAY_CHK_RETURN((priBuffer == NULL), DISPLAY_NULL_PTR, DISPLAY_LOGE("bufferhandle malloc failed"); \
297 goto error);
298
299 errno_t eok = memset_s(priBuffer, sizeof(PriBufferHandle), 0, sizeof(PriBufferHandle));
300 if (eok != EOK) {
301 DISPLAY_LOGE("memset_s failed");
302 }
303 DISPLAY_CHK_RETURN((eok != EOK), DISPLAY_PARAM_ERR, DISPLAY_LOGE("memset_s failed"); \
304 goto error);
305
306 InitBufferHandle(bo, fd, info, priBuffer);
307 *buffer = &priBuffer->hdl;
308 hdi_gbm_bo_destroy(bo);
309 GRALLOC_UNLOCK();
310 return DISPLAY_SUCCESS;
311 error:
312 close(fd);
313 hdi_gbm_bo_destroy(bo);
314 if (priBuffer != NULL) {
315 free(priBuffer);
316 }
317 GRALLOC_UNLOCK();
318 return DISPLAY_FAILURE;
319 }
320
CloseBufferHandle(BufferHandle * handle)321 static void CloseBufferHandle(BufferHandle *handle)
322 {
323 DISPLAY_CHK_RETURN_NOT_VALUE((handle == NULL), DISPLAY_LOGE("buffer is null"));
324 if (handle->fd >= 0) {
325 close(handle->fd);
326 handle->fd = -1;
327 }
328 const uint32_t reserveFds = handle->reserveFds;
329 for (uint32_t i = 0; i < reserveFds; i++) {
330 if (handle->reserve[i] >= 0) {
331 close(handle->reserve[i]);
332 handle->reserve[i] = -1;
333 }
334 }
335 }
336
GbmFreeMem(BufferHandle * buffer)337 void GbmFreeMem(BufferHandle *buffer)
338 {
339 DISPLAY_DEBUGLOG();
340 DISPLAY_CHK_RETURN_NOT_VALUE((buffer == NULL), DISPLAY_LOGE("buffer is null"));
341 if ((buffer->virAddr != NULL) && (GbmUnmap(buffer) != DISPLAY_SUCCESS)) {
342 DISPLAY_LOGE("freeMem unmap buffer failed");
343 }
344 CloseBufferHandle(buffer);
345 free(buffer);
346 }
347
GbmMmap(BufferHandle * buffer)348 void *GbmMmap(BufferHandle *buffer)
349 {
350 void *virAddr = NULL;
351 DISPLAY_DEBUGLOG();
352 if (buffer == NULL) {
353 DISPLAY_LOGE("gbmmap the buffer handle is NULL");
354 return NULL;
355 }
356 if (buffer->virAddr != NULL) {
357 DISPLAY_DEBUGLOG("the buffer has virtual addr");
358 return buffer->virAddr;
359 }
360 virAddr = mmap(NULL, buffer->size, PROT_READ | PROT_WRITE, MAP_SHARED, buffer->fd, 0);
361 if (virAddr == MAP_FAILED) {
362 DISPLAY_LOGE("mmap failed errno %{public}s, fd : %{public}d", strerror(errno), buffer->fd);
363 }
364 buffer->virAddr = virAddr;
365 return virAddr;
366 }
367
GbmUnmap(BufferHandle * buffer)368 int32_t GbmUnmap(BufferHandle *buffer)
369 {
370 DISPLAY_DEBUGLOG();
371 if (buffer == NULL) {
372 DISPLAY_LOGE("gbmumap the buffer handle is null");
373 return DISPLAY_NULL_PTR;
374 }
375
376 if (buffer->virAddr == NULL) {
377 DISPLAY_LOGE("virAddr is NULL , has not map the buffer");
378 return DISPLAY_PARAM_ERR;
379 }
380 int ret = munmap(buffer->virAddr, buffer->size);
381 if (ret != 0) {
382 DISPLAY_LOGE("munmap failed err: %{public}s", strerror(errno));
383 return DISPLAY_FAILURE;
384 }
385 buffer->virAddr = NULL;
386 return DISPLAY_SUCCESS;
387 }
388
GbmInvalidateCache(BufferHandle * buffer)389 int32_t GbmInvalidateCache(BufferHandle *buffer)
390 {
391 DISPLAY_DEBUGLOG();
392 return DmaBufferSync(buffer, true);
393 }
394
GbmFlushCache(BufferHandle * buffer)395 int32_t GbmFlushCache(BufferHandle *buffer)
396 {
397 DISPLAY_DEBUGLOG();
398 return DmaBufferSync(buffer, false);
399 }
400
GbmGrallocUninitialize(void)401 int32_t GbmGrallocUninitialize(void)
402 {
403 DISPLAY_DEBUGLOG();
404 GRALLOC_LOCK();
405 GrallocManager *grallocManager = GetGrallocManager();
406 DISPLAY_CHK_RETURN((grallocManager == NULL), DISPLAY_PARAM_ERR, DISPLAY_LOGE("gralloc manager failed"); \
407 GRALLOC_UNLOCK());
408 grallocManager->referCount--;
409 if (grallocManager->referCount < 0) {
410 DeInitGbmDevice(grallocManager);
411 free(g_grallocManager);
412 g_grallocManager = NULL;
413 }
414 GRALLOC_UNLOCK();
415 return DISPLAY_SUCCESS;
416 }
417
GbmGrallocInitialize(void)418 int32_t GbmGrallocInitialize(void)
419 {
420 DISPLAY_DEBUGLOG();
421 GRALLOC_LOCK();
422 GrallocManager *grallocManager = GetGrallocManager();
423 DISPLAY_CHK_RETURN((grallocManager == NULL), DISPLAY_PARAM_ERR, DISPLAY_LOGE("gralloc manager failed"); \
424 GRALLOC_UNLOCK());
425 int ret = InitGbmDevice(g_drmFileNode, grallocManager);
426 DISPLAY_CHK_RETURN((ret != DISPLAY_SUCCESS), ret, DISPLAY_LOGE("gralloc manager failed"); \
427 GRALLOC_UNLOCK());
428 grallocManager->referCount++;
429 GRALLOC_UNLOCK();
430 return DISPLAY_SUCCESS;
431 }
432