Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 17 | #include <limits.h> |
| 18 | #include <unistd.h> |
| 19 | #include <fcntl.h> |
| 20 | #include <errno.h> |
| 21 | #include <pthread.h> |
| 22 | #include <stdlib.h> |
| 23 | #include <string.h> |
| 24 | |
| 25 | #include <sys/mman.h> |
| 26 | #include <sys/stat.h> |
| 27 | #include <sys/types.h> |
| 28 | #include <sys/ioctl.h> |
| 29 | |
| 30 | #include <ion/ion.h> |
| 31 | #include <linux/ion.h> |
| 32 | #include <cutils/log.h> |
| 33 | #include <cutils/atomic.h> |
| 34 | |
| 35 | #include <hardware/hardware.h> |
| 36 | #include <hardware/gralloc.h> |
| 37 | |
| 38 | #include "gralloc_priv.h" |
| 39 | #include "exynos_format.h" |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 40 | |
Rebecca Schultz Zavin | 88c9cff | 2013-01-09 15:37:04 -0800 | [diff] [blame] | 41 | #define ION_HEAP_EXYNOS_CONTIG_MASK (1 << 4) |
Jihyun Kim | ce73ba1 | 2012-09-12 16:51:53 +0900 | [diff] [blame] | 42 | #define ION_EXYNOS_FIMD_VIDEO_MASK (1 << 28) |
| 43 | #define ION_EXYNOS_MFC_OUTPUT_MASK (1 << 26) |
| 44 | #define ION_EXYNOS_MFC_INPUT_MASK (1 << 25) |
Rebecca Schultz Zavin | 88c9cff | 2013-01-09 15:37:04 -0800 | [diff] [blame] | 45 | #define ION_HEAP_SYSTEM_ID 0 |
| 46 | #define ION_HEAP_EXYNOS_CONTIG_ID 4 |
| 47 | #define ION_HEAP_CHUNK_ID 6 |
Rebecca Schultz Zavin | ab73a88 | 2012-10-06 09:20:31 -0700 | [diff] [blame] | 48 | #define MB_1 (1024*1024) |
Jihyun Kim | ce73ba1 | 2012-09-12 16:51:53 +0900 | [diff] [blame] | 49 | |
Sanghee Kim | 788e20d | 2012-08-08 22:59:55 -0700 | [diff] [blame] | 50 | |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 51 | /*****************************************************************************/ |
| 52 | |
| 53 | struct gralloc_context_t { |
| 54 | alloc_device_t device; |
| 55 | /* our private data here */ |
| 56 | }; |
| 57 | |
| 58 | static int gralloc_alloc_buffer(alloc_device_t* dev, |
| 59 | size_t size, int usage, buffer_handle_t* pHandle); |
| 60 | |
| 61 | /*****************************************************************************/ |
| 62 | |
| 63 | int fb_device_open(const hw_module_t* module, const char* name, |
| 64 | hw_device_t** device); |
| 65 | |
| 66 | static int gralloc_device_open(const hw_module_t* module, const char* name, |
| 67 | hw_device_t** device); |
| 68 | |
| 69 | extern int gralloc_lock(gralloc_module_t const* module, |
| 70 | buffer_handle_t handle, int usage, |
| 71 | int l, int t, int w, int h, |
| 72 | void** vaddr); |
| 73 | |
| 74 | extern int gralloc_unlock(gralloc_module_t const* module, |
| 75 | buffer_handle_t handle); |
| 76 | |
| 77 | extern int gralloc_register_buffer(gralloc_module_t const* module, |
| 78 | buffer_handle_t handle); |
| 79 | |
| 80 | extern int gralloc_unregister_buffer(gralloc_module_t const* module, |
| 81 | buffer_handle_t handle); |
| 82 | |
| 83 | /*****************************************************************************/ |
| 84 | |
| 85 | static struct hw_module_methods_t gralloc_module_methods = { |
| 86 | open: gralloc_device_open |
| 87 | }; |
| 88 | |
| 89 | struct private_module_t HAL_MODULE_INFO_SYM = { |
| 90 | base: { |
Rebecca Schultz Zavin | a776338 | 2012-09-11 11:15:48 -0700 | [diff] [blame] | 91 | common: { |
| 92 | tag: HARDWARE_MODULE_TAG, |
| 93 | version_major: 1, |
| 94 | version_minor: 0, |
| 95 | id: GRALLOC_HARDWARE_MODULE_ID, |
| 96 | name: "Graphics Memory Allocator Module", |
| 97 | author: "The Android Open Source Project", |
| 98 | methods: &gralloc_module_methods |
| 99 | }, |
Rebecca Schultz Zavin | ec68ab2 | 2012-08-27 10:58:52 -0700 | [diff] [blame] | 100 | registerBuffer: gralloc_register_buffer, |
| 101 | unregisterBuffer: gralloc_unregister_buffer, |
| 102 | lock: gralloc_lock, |
| 103 | unlock: gralloc_unlock, |
Rebecca Schultz Zavin | a776338 | 2012-09-11 11:15:48 -0700 | [diff] [blame] | 104 | }, |
| 105 | framebuffer: 0, |
| 106 | flags: 0, |
| 107 | numBuffers: 0, |
| 108 | bufferMask: 0, |
| 109 | lock: PTHREAD_MUTEX_INITIALIZER, |
Greg Hackmann | 4d9f47b | 2014-04-02 11:52:10 -0700 | [diff] [blame] | 110 | refcount: 0, |
Rebecca Schultz Zavin | a776338 | 2012-09-11 11:15:48 -0700 | [diff] [blame] | 111 | currentBuffer: 0, |
| 112 | ionfd: -1, |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 113 | }; |
| 114 | |
| 115 | /*****************************************************************************/ |
| 116 | |
Sanghee Kim | 788e20d | 2012-08-08 22:59:55 -0700 | [diff] [blame] | 117 | static unsigned int _select_heap(int usage) |
| 118 | { |
| 119 | unsigned int heap_mask; |
| 120 | |
| 121 | if (usage & GRALLOC_USAGE_PROTECTED) |
Rebecca Schultz Zavin | 88c9cff | 2013-01-09 15:37:04 -0800 | [diff] [blame] | 122 | heap_mask = (1 << ION_HEAP_EXYNOS_CONTIG_ID); |
Sanghee Kim | 788e20d | 2012-08-08 22:59:55 -0700 | [diff] [blame] | 123 | else |
Rebecca Schultz Zavin | 88c9cff | 2013-01-09 15:37:04 -0800 | [diff] [blame] | 124 | heap_mask = (1 << ION_HEAP_SYSTEM_ID) | (1 << ION_HEAP_CHUNK_ID); |
Sanghee Kim | 788e20d | 2012-08-08 22:59:55 -0700 | [diff] [blame] | 125 | |
| 126 | return heap_mask; |
| 127 | } |
| 128 | |
Rebecca Schultz Zavin | da3d871 | 2012-08-15 17:03:47 -0700 | [diff] [blame] | 129 | static int gralloc_alloc_rgb(int ionfd, int w, int h, int format, int usage, |
| 130 | unsigned int ion_flags, private_handle_t **hnd, int *stride) |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 131 | { |
Rebecca Schultz Zavin | ab73a88 | 2012-10-06 09:20:31 -0700 | [diff] [blame] | 132 | size_t size, bpr, alignment = 0; |
Rebecca Schultz Zavin | 70212e5 | 2012-08-15 11:17:04 -0700 | [diff] [blame] | 133 | int bpp = 0, vstride, fd, err; |
Sanghee Kim | 788e20d | 2012-08-08 22:59:55 -0700 | [diff] [blame] | 134 | unsigned int heap_mask = _select_heap(usage); |
| 135 | |
Greg Hackmann | 2207ac2 | 2013-08-29 10:24:35 -0700 | [diff] [blame] | 136 | if (format == HAL_PIXEL_FORMAT_RGBA_8888) { |
| 137 | bool sw_usage = !!(usage & (GRALLOC_USAGE_SW_READ_MASK | |
| 138 | GRALLOC_USAGE_SW_WRITE_MASK)); |
| 139 | |
| 140 | if (usage & GRALLOC_USAGE_HW_FB) { |
| 141 | ALOGW_IF(sw_usage, |
| 142 | "framebuffer target should not have SW usage bits; ignoring"); |
| 143 | format = HAL_PIXEL_FORMAT_BGRA_8888; |
| 144 | } else if (usage & GRALLOC_USAGE_HW_VIDEO_ENCODER) { |
| 145 | if (sw_usage) |
| 146 | return -EINVAL; |
| 147 | format = HAL_PIXEL_FORMAT_BGRA_8888; |
| 148 | } |
Greg Hackmann | efe80f0 | 2013-08-27 17:14:27 -0700 | [diff] [blame] | 149 | } |
| 150 | |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 151 | switch (format) { |
| 152 | case HAL_PIXEL_FORMAT_RGBA_8888: |
| 153 | case HAL_PIXEL_FORMAT_RGBX_8888: |
| 154 | case HAL_PIXEL_FORMAT_BGRA_8888: |
Jesse Hall | 99e0c3c | 2014-08-17 21:41:25 -0700 | [diff] [blame] | 155 | case HAL_PIXEL_FORMAT_sRGB_A_8888: |
| 156 | case HAL_PIXEL_FORMAT_sRGB_X_8888: |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 157 | bpp = 4; |
| 158 | break; |
| 159 | case HAL_PIXEL_FORMAT_RGB_888: |
| 160 | bpp = 3; |
| 161 | break; |
| 162 | case HAL_PIXEL_FORMAT_RGB_565: |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 163 | case HAL_PIXEL_FORMAT_RAW_SENSOR: |
| 164 | bpp = 2; |
| 165 | break; |
| 166 | case HAL_PIXEL_FORMAT_BLOB: |
Rebecca Schultz Zavin | d15fb8b | 2012-09-25 16:49:28 -0700 | [diff] [blame] | 167 | *stride = w; |
| 168 | vstride = h; |
Rebecca Schultz Zavin | 3943317 | 2012-09-27 16:45:04 -0700 | [diff] [blame] | 169 | size = w * h; |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 170 | break; |
| 171 | default: |
| 172 | return -EINVAL; |
| 173 | } |
Rebecca Schultz Zavin | d15fb8b | 2012-09-25 16:49:28 -0700 | [diff] [blame] | 174 | |
| 175 | if (format != HAL_PIXEL_FORMAT_BLOB) { |
Bartosz Szatkowski | 472449a | 2013-02-19 12:49:30 +0000 | [diff] [blame] | 176 | bpr = ALIGN(w*bpp, 64); |
Rebecca Schultz Zavin | d15fb8b | 2012-09-25 16:49:28 -0700 | [diff] [blame] | 177 | vstride = ALIGN(h, 16); |
Greg Hackmann | 4cc86ec | 2012-10-08 10:14:53 -0700 | [diff] [blame] | 178 | if (vstride < h + 2) |
| 179 | size = bpr * (h + 2); |
Rebecca Schultz Zavin | d15fb8b | 2012-09-25 16:49:28 -0700 | [diff] [blame] | 180 | else |
| 181 | size = bpr * vstride; |
| 182 | *stride = bpr / bpp; |
| 183 | size = ALIGN(size, PAGE_SIZE); |
| 184 | } |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 185 | |
Rebecca Schultz Zavin | ab73a88 | 2012-10-06 09:20:31 -0700 | [diff] [blame] | 186 | if (usage & GRALLOC_USAGE_PROTECTED) { |
| 187 | alignment = MB_1; |
Jihyun Kim | ce73ba1 | 2012-09-12 16:51:53 +0900 | [diff] [blame] | 188 | ion_flags |= ION_EXYNOS_FIMD_VIDEO_MASK; |
Rebecca Schultz Zavin | ab73a88 | 2012-10-06 09:20:31 -0700 | [diff] [blame] | 189 | } |
Jihyun Kim | ce73ba1 | 2012-09-12 16:51:53 +0900 | [diff] [blame] | 190 | |
Rebecca Schultz Zavin | ab73a88 | 2012-10-06 09:20:31 -0700 | [diff] [blame] | 191 | err = ion_alloc_fd(ionfd, size, alignment, heap_mask, ion_flags, |
Rebecca Schultz Zavin | da3d871 | 2012-08-15 17:03:47 -0700 | [diff] [blame] | 192 | &fd); |
| 193 | *hnd = new private_handle_t(fd, size, usage, w, h, format, *stride, |
| 194 | vstride); |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 195 | |
| 196 | return err; |
| 197 | } |
| 198 | |
Rebecca Schultz Zavin | 55a3039 | 2012-08-27 15:23:32 -0700 | [diff] [blame] | 199 | static int gralloc_alloc_framework_yuv(int ionfd, int w, int h, int format, |
| 200 | int usage, unsigned int ion_flags, |
| 201 | private_handle_t **hnd, int *stride) |
| 202 | { |
| 203 | size_t size; |
| 204 | int err, fd; |
Rebecca Schultz Zavin | 88c9cff | 2013-01-09 15:37:04 -0800 | [diff] [blame] | 205 | unsigned int heap_mask = _select_heap(usage); |
Rebecca Schultz Zavin | 55a3039 | 2012-08-27 15:23:32 -0700 | [diff] [blame] | 206 | |
| 207 | switch (format) { |
| 208 | case HAL_PIXEL_FORMAT_YV12: |
| 209 | *stride = ALIGN(w, 16); |
Rebecca Schultz Zavin | d881a0c | 2012-10-31 17:05:48 -0700 | [diff] [blame] | 210 | size = (*stride * h) + (ALIGN(*stride / 2, 16) * h); |
Rebecca Schultz Zavin | 55a3039 | 2012-08-27 15:23:32 -0700 | [diff] [blame] | 211 | break; |
| 212 | case HAL_PIXEL_FORMAT_YCrCb_420_SP: |
| 213 | *stride = w; |
Rebecca Schultz Zavin | d881a0c | 2012-10-31 17:05:48 -0700 | [diff] [blame] | 214 | size = *stride * h * 3 / 2; |
Rebecca Schultz Zavin | 55a3039 | 2012-08-27 15:23:32 -0700 | [diff] [blame] | 215 | break; |
| 216 | default: |
Rebecca Schultz Zavin | bcf2961 | 2012-08-27 21:31:22 -0700 | [diff] [blame] | 217 | ALOGE("invalid yuv format %d\n", format); |
| 218 | return -EINVAL; |
Rebecca Schultz Zavin | 55a3039 | 2012-08-27 15:23:32 -0700 | [diff] [blame] | 219 | } |
| 220 | |
Rebecca Schultz Zavin | 88c9cff | 2013-01-09 15:37:04 -0800 | [diff] [blame] | 221 | err = ion_alloc_fd(ionfd, size, 0, heap_mask, ion_flags, &fd); |
Rebecca Schultz Zavin | 55a3039 | 2012-08-27 15:23:32 -0700 | [diff] [blame] | 222 | if (err) |
| 223 | return err; |
| 224 | |
| 225 | *hnd = new private_handle_t(fd, size, usage, w, h, format, *stride, h); |
| 226 | return err; |
| 227 | } |
| 228 | |
| 229 | static int gralloc_alloc_yuv(int ionfd, int w, int h, int format, |
| 230 | int usage, unsigned int ion_flags, |
| 231 | private_handle_t **hnd, int *stride) |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 232 | { |
| 233 | size_t luma_size, chroma_size; |
| 234 | int err, planes, fd, fd1, fd2 = 0; |
Rebecca Schultz Zavin | 70212e5 | 2012-08-15 11:17:04 -0700 | [diff] [blame] | 235 | size_t luma_vstride; |
Sanghee Kim | 788e20d | 2012-08-08 22:59:55 -0700 | [diff] [blame] | 236 | unsigned int heap_mask = _select_heap(usage); |
| 237 | |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 238 | *stride = ALIGN(w, 16); |
| 239 | |
Sungjoong Kang | 7d5efee | 2012-09-06 17:11:16 -0700 | [diff] [blame] | 240 | if (format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED) { |
| 241 | ALOGV("HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED : usage(%x), flags(%x)\n", usage, ion_flags); |
| 242 | if ((usage & GRALLOC_USAGE_HW_CAMERA_ZSL) == GRALLOC_USAGE_HW_CAMERA_ZSL) { |
| 243 | format = HAL_PIXEL_FORMAT_YCbCr_422_I; // YUYV |
| 244 | } else if (usage & GRALLOC_USAGE_HW_TEXTURE) { |
| 245 | format = HAL_PIXEL_FORMAT_EXYNOS_YV12; |
| 246 | } else if (usage & GRALLOC_USAGE_HW_VIDEO_ENCODER) { |
| 247 | format = HAL_PIXEL_FORMAT_YCbCr_420_SP; // NV12M |
| 248 | } |
| 249 | } |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 250 | switch (format) { |
Rebecca Schultz Zavin | c853be7 | 2012-08-23 00:03:05 -0700 | [diff] [blame] | 251 | case HAL_PIXEL_FORMAT_EXYNOS_YV12: |
Rebecca Schultz Zavin | bcf2961 | 2012-08-27 21:31:22 -0700 | [diff] [blame] | 252 | { |
Seho Kim | 6cc676b | 2012-09-30 13:35:01 -0700 | [diff] [blame] | 253 | *stride = ALIGN(w, 32); |
Rebecca Schultz Zavin | bcf2961 | 2012-08-27 21:31:22 -0700 | [diff] [blame] | 254 | luma_vstride = ALIGN(h, 16); |
| 255 | luma_size = luma_vstride * *stride; |
| 256 | chroma_size = (luma_vstride / 2) * ALIGN(*stride / 2, 16); |
| 257 | planes = 3; |
| 258 | break; |
| 259 | } |
Rebecca Schultz Zavin | c853be7 | 2012-08-23 00:03:05 -0700 | [diff] [blame] | 260 | case HAL_PIXEL_FORMAT_EXYNOS_YCrCb_420_SP: |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 261 | case HAL_PIXEL_FORMAT_YCbCr_420_SP: |
| 262 | case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: |
Rebecca Schultz Zavin | bcf2961 | 2012-08-27 21:31:22 -0700 | [diff] [blame] | 263 | { |
| 264 | size_t chroma_vstride = ALIGN(h / 2, 32); |
| 265 | luma_vstride = ALIGN(h, 32); |
| 266 | luma_size = luma_vstride * *stride; |
| 267 | chroma_size = chroma_vstride * *stride; |
| 268 | planes = 2; |
| 269 | break; |
| 270 | } |
Rebecca Schultz Zavin | 55a3039 | 2012-08-27 15:23:32 -0700 | [diff] [blame] | 271 | case HAL_PIXEL_FORMAT_YV12: |
| 272 | case HAL_PIXEL_FORMAT_YCrCb_420_SP: |
| 273 | return gralloc_alloc_framework_yuv(ionfd, w, h, format, usage, |
| 274 | ion_flags, hnd, stride); |
Sungjoong Kang | 7d5efee | 2012-09-06 17:11:16 -0700 | [diff] [blame] | 275 | case HAL_PIXEL_FORMAT_YCbCr_422_I: |
| 276 | { |
| 277 | luma_vstride = h; |
| 278 | luma_size = luma_vstride * *stride * 2; |
| 279 | chroma_size = 0; |
| 280 | planes = 1; |
| 281 | break; |
| 282 | } |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 283 | default: |
Rebecca Schultz Zavin | bcf2961 | 2012-08-27 21:31:22 -0700 | [diff] [blame] | 284 | ALOGE("invalid yuv format %d\n", format); |
| 285 | return -EINVAL; |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 286 | } |
| 287 | |
Jihyun Kim | ce73ba1 | 2012-09-12 16:51:53 +0900 | [diff] [blame] | 288 | if (usage & GRALLOC_USAGE_PROTECTED) |
| 289 | ion_flags |= ION_EXYNOS_MFC_OUTPUT_MASK; |
| 290 | |
Sanghee Kim | 788e20d | 2012-08-08 22:59:55 -0700 | [diff] [blame] | 291 | err = ion_alloc_fd(ionfd, luma_size, 0, heap_mask, ion_flags, &fd); |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 292 | if (err) |
| 293 | return err; |
Sungjoong Kang | 7d5efee | 2012-09-06 17:11:16 -0700 | [diff] [blame] | 294 | if (planes == 1) { |
| 295 | *hnd = new private_handle_t(fd, luma_size, usage, w, h, |
Rebecca Schultz Zavin | ec68ab2 | 2012-08-27 10:58:52 -0700 | [diff] [blame] | 296 | format, *stride, luma_vstride); |
| 297 | } else { |
Sungjoong Kang | 7d5efee | 2012-09-06 17:11:16 -0700 | [diff] [blame] | 298 | err = ion_alloc_fd(ionfd, chroma_size, 0, heap_mask, ion_flags, &fd1); |
| 299 | if (err) |
| 300 | goto err1; |
| 301 | if (planes == 3) { |
| 302 | err = ion_alloc_fd(ionfd, chroma_size, 0, heap_mask, ion_flags, &fd2); |
| 303 | if (err) |
| 304 | goto err2; |
| 305 | |
| 306 | *hnd = new private_handle_t(fd, fd1, fd2, luma_size, usage, w, h, |
| 307 | format, *stride, luma_vstride); |
| 308 | } else { |
| 309 | *hnd = new private_handle_t(fd, fd1, luma_size, usage, w, h, format, |
| 310 | *stride, luma_vstride); |
| 311 | } |
Rebecca Schultz Zavin | ec68ab2 | 2012-08-27 10:58:52 -0700 | [diff] [blame] | 312 | } |
Alex Ray | 06f1fa7 | 2013-04-15 11:24:13 -0700 | [diff] [blame] | 313 | // Set chroma & gamut fields |
| 314 | if (!err && *hnd) { |
| 315 | if (usage & GRALLOC_USAGE_PRIVATE_CHROMA) { |
| 316 | (*hnd)->chroma = HAL_PIXEL_CHROMA_BT601_8; |
| 317 | (*hnd)->gamut = HAL_PIXEL_GAMUT_NARROW_8; |
| 318 | } else { |
| 319 | (*hnd)->chroma = HAL_PIXEL_CHROMA_BT709_8; |
| 320 | (*hnd)->gamut = HAL_PIXEL_GAMUT_WIDE_8; |
| 321 | } |
| 322 | } |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 323 | return err; |
| 324 | |
| 325 | err2: |
| 326 | close(fd1); |
| 327 | err1: |
| 328 | close(fd); |
| 329 | return err; |
| 330 | } |
| 331 | |
| 332 | static int gralloc_alloc(alloc_device_t* dev, |
| 333 | int w, int h, int format, int usage, |
| 334 | buffer_handle_t* pHandle, int* pStride) |
| 335 | { |
| 336 | int stride; |
| 337 | int err; |
Rebecca Schultz Zavin | da3d871 | 2012-08-15 17:03:47 -0700 | [diff] [blame] | 338 | unsigned int ion_flags = 0; |
Rebecca Schultz Zavin | a776338 | 2012-09-11 11:15:48 -0700 | [diff] [blame] | 339 | private_handle_t *hnd = NULL; |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 340 | |
| 341 | if (!pHandle || !pStride) |
| 342 | return -EINVAL; |
| 343 | |
| 344 | if( (usage & GRALLOC_USAGE_SW_READ_MASK) == GRALLOC_USAGE_SW_READ_OFTEN ) |
Rebecca Schultz Zavin | f855239 | 2012-09-20 00:21:01 -0700 | [diff] [blame] | 345 | ion_flags = ION_FLAG_CACHED | ION_FLAG_CACHED_NEEDS_SYNC; |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 346 | |
| 347 | private_module_t* m = reinterpret_cast<private_module_t*> |
| 348 | (dev->common.module); |
| 349 | gralloc_module_t* module = reinterpret_cast<gralloc_module_t*> |
| 350 | (dev->common.module); |
| 351 | |
Rebecca Schultz Zavin | da3d871 | 2012-08-15 17:03:47 -0700 | [diff] [blame] | 352 | err = gralloc_alloc_rgb(m->ionfd, w, h, format, usage, ion_flags, &hnd, |
| 353 | &stride); |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 354 | if (err) |
Rebecca Schultz Zavin | da3d871 | 2012-08-15 17:03:47 -0700 | [diff] [blame] | 355 | err = gralloc_alloc_yuv(m->ionfd, w, h, format, usage, ion_flags, |
| 356 | &hnd, &stride); |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 357 | if (err) |
Colin Cross | 8a4849e | 2013-08-22 19:44:28 -0700 | [diff] [blame] | 358 | goto err; |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 359 | |
Colin Cross | 8a4849e | 2013-08-22 19:44:28 -0700 | [diff] [blame] | 360 | err = gralloc_register_buffer(module, hnd); |
| 361 | if (err) |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 362 | goto err; |
| 363 | |
| 364 | *pHandle = hnd; |
| 365 | *pStride = stride; |
| 366 | return 0; |
| 367 | err: |
Rebecca Schultz Zavin | a776338 | 2012-09-11 11:15:48 -0700 | [diff] [blame] | 368 | if (!hnd) |
| 369 | return err; |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 370 | close(hnd->fd); |
Rebecca Schultz Zavin | ec68ab2 | 2012-08-27 10:58:52 -0700 | [diff] [blame] | 371 | if (hnd->fd1 >= 0) |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 372 | close(hnd->fd1); |
Rebecca Schultz Zavin | ec68ab2 | 2012-08-27 10:58:52 -0700 | [diff] [blame] | 373 | if (hnd->fd2 >= 0) |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 374 | close(hnd->fd2); |
| 375 | return err; |
| 376 | } |
| 377 | |
| 378 | static int gralloc_free(alloc_device_t* dev, |
| 379 | buffer_handle_t handle) |
| 380 | { |
| 381 | if (private_handle_t::validate(handle) < 0) |
| 382 | return -EINVAL; |
| 383 | |
| 384 | private_handle_t const* hnd = reinterpret_cast<private_handle_t const*>(handle); |
| 385 | gralloc_module_t* module = reinterpret_cast<gralloc_module_t*>( |
| 386 | dev->common.module); |
Colin Cross | 8a4849e | 2013-08-22 19:44:28 -0700 | [diff] [blame] | 387 | |
| 388 | gralloc_unregister_buffer(module, hnd); |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 389 | |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 390 | close(hnd->fd); |
Rebecca Schultz Zavin | ec68ab2 | 2012-08-27 10:58:52 -0700 | [diff] [blame] | 391 | if (hnd->fd1 >= 0) |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 392 | close(hnd->fd1); |
Rebecca Schultz Zavin | ec68ab2 | 2012-08-27 10:58:52 -0700 | [diff] [blame] | 393 | if (hnd->fd2 >= 0) |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 394 | close(hnd->fd2); |
| 395 | |
| 396 | delete hnd; |
| 397 | return 0; |
| 398 | } |
| 399 | |
| 400 | /*****************************************************************************/ |
| 401 | |
| 402 | static int gralloc_close(struct hw_device_t *dev) |
| 403 | { |
| 404 | gralloc_context_t* ctx = reinterpret_cast<gralloc_context_t*>(dev); |
| 405 | if (ctx) { |
Greg Hackmann | 4d9f47b | 2014-04-02 11:52:10 -0700 | [diff] [blame] | 406 | private_module_t *p = reinterpret_cast<private_module_t*>(ctx->device.common.module); |
| 407 | pthread_mutex_lock(&p->lock); |
| 408 | LOG_ALWAYS_FATAL_IF(!p->refcount); |
| 409 | p->refcount--; |
| 410 | if (!p->refcount) |
| 411 | close(p->ionfd); |
| 412 | pthread_mutex_unlock(&p->lock); |
| 413 | |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 414 | /* TODO: keep a list of all buffer_handle_t created, and free them |
| 415 | * all here. |
| 416 | */ |
| 417 | free(ctx); |
| 418 | } |
| 419 | return 0; |
| 420 | } |
| 421 | |
| 422 | int gralloc_device_open(const hw_module_t* module, const char* name, |
| 423 | hw_device_t** device) |
| 424 | { |
| 425 | int status = -EINVAL; |
| 426 | if (!strcmp(name, GRALLOC_HARDWARE_GPU0)) { |
| 427 | gralloc_context_t *dev; |
| 428 | dev = (gralloc_context_t*)malloc(sizeof(*dev)); |
| 429 | |
| 430 | /* initialize our state here */ |
| 431 | memset(dev, 0, sizeof(*dev)); |
| 432 | |
| 433 | /* initialize the procs */ |
| 434 | dev->device.common.tag = HARDWARE_DEVICE_TAG; |
| 435 | dev->device.common.version = 0; |
| 436 | dev->device.common.module = const_cast<hw_module_t*>(module); |
| 437 | dev->device.common.close = gralloc_close; |
| 438 | |
| 439 | dev->device.alloc = gralloc_alloc; |
| 440 | dev->device.free = gralloc_free; |
| 441 | |
| 442 | private_module_t *p = reinterpret_cast<private_module_t*>(dev->device.common.module); |
Greg Hackmann | 4d9f47b | 2014-04-02 11:52:10 -0700 | [diff] [blame] | 443 | pthread_mutex_lock(&p->lock); |
| 444 | if (!p->refcount) |
| 445 | p->ionfd = ion_open(); |
| 446 | p->refcount++; |
| 447 | pthread_mutex_unlock(&p->lock); |
Rebecca Schultz Zavin | 2480ecc | 2012-08-14 16:08:04 -0700 | [diff] [blame] | 448 | |
| 449 | *device = &dev->device.common; |
| 450 | status = 0; |
| 451 | } else { |
| 452 | status = fb_device_open(module, name, device); |
| 453 | } |
| 454 | return status; |
| 455 | } |