1 /*
2  * Copyright (C) 2008 The Android Open Source Project
3  * Copyright (c) 2011 - 2016, 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 #ifndef GRALLOC_PRIV_H_
19 #define GRALLOC_PRIV_H_
20 
21 #include <stdint.h>
22 #include <limits.h>
23 #include <sys/cdefs.h>
24 #include <hardware/gralloc.h>
25 #include <pthread.h>
26 #include <errno.h>
27 #include <unistd.h>
28 
29 #include <cutils/native_handle.h>
30 
31 #include <cutils/log.h>
32 
33 #define ROUND_UP_PAGESIZE(x) ( (((unsigned long)(x)) + PAGE_SIZE-1)  & \
34                                (~(PAGE_SIZE-1)) )
35 
36 /* Gralloc usage bits indicating the type of allocation that should be used */
37 /* SYSTEM heap comes from kernel vmalloc (ION_SYSTEM_HEAP_ID)
38  * is cached by default and
39  * is not secured */
40 
41 /* GRALLOC_USAGE_PRIVATE_0 is unused */
42 
43 /* Non linear, Universal Bandwidth Compression */
44 #define GRALLOC_USAGE_PRIVATE_ALLOC_UBWC      GRALLOC_USAGE_PRIVATE_1
45 
46 /* IOMMU heap comes from manually allocated pages, can be cached/uncached,
47  * is not secured */
48 #define GRALLOC_USAGE_PRIVATE_IOMMU_HEAP      GRALLOC_USAGE_PRIVATE_2
49 
50 /* MM heap is a carveout heap for video, can be secured */
51 #define GRALLOC_USAGE_PRIVATE_MM_HEAP         GRALLOC_USAGE_PRIVATE_3
52 
53 /* ADSP heap is a carveout heap, is not secured */
54 #define GRALLOC_USAGE_PRIVATE_ADSP_HEAP       0x01000000
55 
56 /* Set this for allocating uncached memory (using O_DSYNC),
57  * cannot be used with noncontiguous heaps */
58 #define GRALLOC_USAGE_PRIVATE_UNCACHED        0x02000000
59 
60 /* Buffer content should be displayed on an primary display only */
61 #define GRALLOC_USAGE_PRIVATE_INTERNAL_ONLY   0x04000000
62 
63 /* Buffer content should be displayed on an external display only */
64 #define GRALLOC_USAGE_PRIVATE_EXTERNAL_ONLY   0x08000000
65 
66 /* This flag is set for WFD usecase */
67 #define GRALLOC_USAGE_PRIVATE_WFD             0x00200000
68 
69 /* CAMERA heap is a carveout heap for camera, is not secured */
70 #define GRALLOC_USAGE_PRIVATE_CAMERA_HEAP     0x00400000
71 
72 /* This flag is used for SECURE display usecase */
73 #define GRALLOC_USAGE_PRIVATE_SECURE_DISPLAY  0x00800000
74 
75 /* define Gralloc perform */
76 #define GRALLOC_MODULE_PERFORM_CREATE_HANDLE_FROM_BUFFER 1
77 // This will be used by the graphics drivers to know if certain features
78 // are defined in this display HAL.
79 // Ex: Newer GFX libraries + Older Display HAL
80 #define GRALLOC_MODULE_PERFORM_GET_STRIDE 2
81 #define GRALLOC_MODULE_PERFORM_GET_CUSTOM_STRIDE_FROM_HANDLE 3
82 #define GRALLOC_MODULE_PERFORM_GET_CUSTOM_STRIDE_AND_HEIGHT_FROM_HANDLE 4
83 #define GRALLOC_MODULE_PERFORM_GET_ATTRIBUTES 5
84 #define GRALLOC_MODULE_PERFORM_GET_COLOR_SPACE_FROM_HANDLE 6
85 #define GRALLOC_MODULE_PERFORM_GET_YUV_PLANE_INFO 7
86 #define GRALLOC_MODULE_PERFORM_GET_MAP_SECURE_BUFFER_INFO 8
87 #define GRALLOC_MODULE_PERFORM_GET_UBWC_FLAG 9
88 #define GRALLOC_MODULE_PERFORM_GET_RGB_DATA_ADDRESS 10
89 #define GRALLOC_MODULE_PERFORM_GET_IGC 11
90 #define GRALLOC_MODULE_PERFORM_SET_IGC 12
91 #define GRALLOC_MODULE_PERFORM_SET_SINGLE_BUFFER_MODE 13
92 
93 /* OEM specific HAL formats */
94 
95 #define HAL_PIXEL_FORMAT_RGBA_5551               6
96 #define HAL_PIXEL_FORMAT_RGBA_4444               7
97 #define HAL_PIXEL_FORMAT_NV12_ENCODEABLE         0x102
98 #define HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS      0x7FA30C04
99 #define HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED      0x7FA30C03
100 #define HAL_PIXEL_FORMAT_YCbCr_420_SP            0x109
101 #define HAL_PIXEL_FORMAT_YCrCb_420_SP_ADRENO     0x7FA30C01
102 #define HAL_PIXEL_FORMAT_YCrCb_422_SP            0x10B
103 #define HAL_PIXEL_FORMAT_R_8                     0x10D
104 #define HAL_PIXEL_FORMAT_RG_88                   0x10E
105 #define HAL_PIXEL_FORMAT_YCbCr_444_SP            0x10F
106 #define HAL_PIXEL_FORMAT_YCrCb_444_SP            0x110
107 #define HAL_PIXEL_FORMAT_YCrCb_422_I             0x111
108 #define HAL_PIXEL_FORMAT_BGRX_8888               0x112
109 #define HAL_PIXEL_FORMAT_NV21_ZSL                0x113
110 #define HAL_PIXEL_FORMAT_YCrCb_420_SP_VENUS      0x114
111 #define HAL_PIXEL_FORMAT_BGR_565                 0x115
112 #define HAL_PIXEL_FORMAT_RGBA_1010102            0x116
113 #define HAL_PIXEL_FORMAT_ARGB_2101010            0x117
114 #define HAL_PIXEL_FORMAT_RGBX_1010102            0x118
115 #define HAL_PIXEL_FORMAT_XRGB_2101010            0x119
116 #define HAL_PIXEL_FORMAT_BGRA_1010102            0x11A
117 #define HAL_PIXEL_FORMAT_ABGR_2101010            0x11B
118 #define HAL_PIXEL_FORMAT_BGRX_1010102            0x11C
119 #define HAL_PIXEL_FORMAT_XBGR_2101010            0x11D
120 #define HAL_PIXEL_FORMAT_YCbCr_420_P010          0x11F
121 #define HAL_PIXEL_FORMAT_YCbCr_420_TP10_UBWC     0x120
122 
123 #define HAL_PIXEL_FORMAT_INTERLACE               0x180
124 
125 //v4l2_fourcc('Y', 'U', 'Y', 'L'). 24 bpp YUYV 4:2:2 10 bit per component
126 #define HAL_PIXEL_FORMAT_YCbCr_422_I_10BIT       0x4C595559
127 
128 //v4l2_fourcc('Y', 'B', 'W', 'C'). 10 bit per component. This compressed
129 //format reduces the memory access bandwidth
130 #define HAL_PIXEL_FORMAT_YCbCr_422_I_10BIT_COMPRESSED  0x43574259
131 
132 // UBWC aligned Venus format
133 #define HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS_UBWC 0x7FA30C06
134 
135 //Khronos ASTC formats
136 #define HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_4x4_KHR             0x93B0
137 #define HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_5x4_KHR             0x93B1
138 #define HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_5x5_KHR             0x93B2
139 #define HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_6x5_KHR             0x93B3
140 #define HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_6x6_KHR             0x93B4
141 #define HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_8x5_KHR             0x93B5
142 #define HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_8x6_KHR             0x93B6
143 #define HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_8x8_KHR             0x93B7
144 #define HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_10x5_KHR            0x93B8
145 #define HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_10x6_KHR            0x93B9
146 #define HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_10x8_KHR            0x93BA
147 #define HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_10x10_KHR           0x93BB
148 #define HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_12x10_KHR           0x93BC
149 #define HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_12x12_KHR           0x93BD
150 #define HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR     0x93D0
151 #define HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR     0x93D1
152 #define HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR     0x93D2
153 #define HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR     0x93D3
154 #define HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR     0x93D4
155 #define HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR     0x93D5
156 #define HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR     0x93D6
157 #define HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR     0x93D7
158 #define HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR    0x93D8
159 #define HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR    0x93D9
160 #define HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR    0x93DA
161 #define HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR   0x93DB
162 #define HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR   0x93DC
163 #define HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR   0x93DD
164 
165 /* possible values for inverse gamma correction */
166 #define HAL_IGC_NOT_SPECIFIED     0
167 #define HAL_IGC_s_RGB             1
168 
169 /* possible formats for 3D content*/
170 enum {
171     HAL_NO_3D                      = 0x0,
172     HAL_3D_SIDE_BY_SIDE_L_R        = 0x1,
173     HAL_3D_SIDE_BY_SIDE_R_L        = 0x2,
174     HAL_3D_TOP_BOTTOM              = 0x4,
175     HAL_3D_IN_SIDE_BY_SIDE_L_R     = 0x10000, //unused legacy format
176 };
177 
178 enum {
179     BUFFER_TYPE_UI = 0,
180     BUFFER_TYPE_VIDEO
181 };
182 
183 #ifdef __cplusplus
184 struct private_handle_t : public native_handle {
185 #else
186     struct private_handle_t {
187         native_handle_t nativeHandle;
188 #endif
189         enum {
190             PRIV_FLAGS_FRAMEBUFFER        = 0x00000001,
191             PRIV_FLAGS_USES_ION           = 0x00000008,
192             PRIV_FLAGS_USES_ASHMEM        = 0x00000010,
193             PRIV_FLAGS_NEEDS_FLUSH        = 0x00000020,
194             PRIV_FLAGS_INTERNAL_ONLY      = 0x00000040,
195             PRIV_FLAGS_NON_CPU_WRITER     = 0x00000080,
196             PRIV_FLAGS_NONCONTIGUOUS_MEM  = 0x00000100,
197             PRIV_FLAGS_CACHED             = 0x00000200,
198             PRIV_FLAGS_SECURE_BUFFER      = 0x00000400,
199             // Display on external only
200             PRIV_FLAGS_EXTERNAL_ONLY      = 0x00002000,
201             // Set by HWC for protected non secure buffers
202             PRIV_FLAGS_PROTECTED_BUFFER   = 0x00004000,
203             PRIV_FLAGS_VIDEO_ENCODER      = 0x00010000,
204             PRIV_FLAGS_CAMERA_WRITE       = 0x00020000,
205             PRIV_FLAGS_CAMERA_READ        = 0x00040000,
206             PRIV_FLAGS_HW_COMPOSER        = 0x00080000,
207             PRIV_FLAGS_HW_TEXTURE         = 0x00100000,
208             PRIV_FLAGS_ITU_R_601          = 0x00200000, //Unused from display
209             PRIV_FLAGS_ITU_R_601_FR       = 0x00400000, //Unused from display
210             PRIV_FLAGS_ITU_R_709          = 0x00800000, //Unused from display
211             PRIV_FLAGS_SECURE_DISPLAY     = 0x01000000,
212             // Buffer is rendered in Tile Format
213             PRIV_FLAGS_TILE_RENDERED      = 0x02000000,
214             // Buffer rendered using CPU/SW renderer
215             PRIV_FLAGS_CPU_RENDERED       = 0x04000000,
216             // Buffer is allocated with UBWC alignment
217             PRIV_FLAGS_UBWC_ALIGNED       = 0x08000000,
218             // Buffer allocated will be consumed by SF/HWC
219             PRIV_FLAGS_DISP_CONSUMER      = 0x10000000
220         };
221 
222         // file-descriptors
223         int     fd;
224         int     fd_metadata;          // fd for the meta-data
225         // ints
226         int     magic;
227         int     flags;
228         unsigned int  size;
229         unsigned int  offset;
230         int     bufferType;
231         uint64_t base __attribute__((aligned(8)));
232         unsigned int  offset_metadata;
233         // The gpu address mapped into the mmu.
234         uint64_t gpuaddr __attribute__((aligned(8)));
235         int     format;
236         int     width;
237         int     height;
238         uint64_t base_metadata __attribute__((aligned(8)));
239 
240 #ifdef __cplusplus
241         static const int sNumFds = 2;
sNumIntsprivate_handle_t242         static inline int sNumInts() {
243             return ((sizeof(private_handle_t) - sizeof(native_handle_t)) /
244                     sizeof(int)) - sNumFds;
245         }
246         static const int sMagic = 'gmsm';
247 
248         private_handle_t(int fd, unsigned int size, int flags, int bufferType,
249                          int format, int width, int height, int eFd = -1,
250                          unsigned int eOffset = 0, uint64_t eBase = 0) :
fdprivate_handle_t251             fd(fd), fd_metadata(eFd), magic(sMagic),
252             flags(flags), size(size), offset(0), bufferType(bufferType),
253             base(0), offset_metadata(eOffset), gpuaddr(0),
254             format(format), width(width), height(height),
255             base_metadata(eBase)
256         {
257             version = (int) sizeof(native_handle);
258             numInts = sNumInts();
259             numFds = sNumFds;
260         }
~private_handle_tprivate_handle_t261         ~private_handle_t() {
262             magic = 0;
263         }
264 
validateprivate_handle_t265         static int validate(const native_handle* h) {
266             const private_handle_t* hnd = (const private_handle_t*)h;
267             if (!h || h->version != sizeof(native_handle) ||
268                 h->numInts != sNumInts() || h->numFds != sNumFds ||
269                 hnd->magic != sMagic)
270             {
271                 ALOGD("Invalid gralloc handle (at %p): "
272                       "ver(%d/%zu) ints(%d/%d) fds(%d/%d)"
273                       "magic(%c%c%c%c/%c%c%c%c)",
274                       h,
275                       h ? h->version : -1, sizeof(native_handle),
276                       h ? h->numInts : -1, sNumInts(),
277                       h ? h->numFds : -1, sNumFds,
278                       hnd ? (((hnd->magic >> 24) & 0xFF)?
279                              ((hnd->magic >> 24) & 0xFF) : '-') : '?',
280                       hnd ? (((hnd->magic >> 16) & 0xFF)?
281                              ((hnd->magic >> 16) & 0xFF) : '-') : '?',
282                       hnd ? (((hnd->magic >> 8) & 0xFF)?
283                              ((hnd->magic >> 8) & 0xFF) : '-') : '?',
284                       hnd ? (((hnd->magic >> 0) & 0xFF)?
285                              ((hnd->magic >> 0) & 0xFF) : '-') : '?',
286                       (sMagic >> 24) & 0xFF,
287                       (sMagic >> 16) & 0xFF,
288                       (sMagic >> 8) & 0xFF,
289                       (sMagic >> 0) & 0xFF);
290                 return -EINVAL;
291             }
292             return 0;
293         }
294 
dynamicCastprivate_handle_t295         static private_handle_t* dynamicCast(const native_handle* in) {
296             if (validate(in) == 0) {
297                 return (private_handle_t*) in;
298             }
299             return NULL;
300         }
301 #endif
302     };
303 
304 #endif /* GRALLOC_PRIV_H_ */
305