Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013 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 | |
| 17 | #include <dirent.h> |
| 18 | #include <errno.h> |
| 19 | #include <fcntl.h> |
Elliott Hughes | 3d74d7a | 2015-01-29 21:31:23 -0800 | [diff] [blame] | 20 | #include <malloc.h> |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 21 | #include <stdint.h> |
| 22 | #include <stdio.h> |
| 23 | #include <string.h> |
Elliott Hughes | 3d74d7a | 2015-01-29 21:31:23 -0800 | [diff] [blame] | 24 | #include <unistd.h> |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 25 | |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 26 | #include <algorithm> |
| 27 | #include <memory> |
| 28 | #include <vector> |
| 29 | |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 30 | #include <linux/limits.h> |
| 31 | |
| 32 | #include <sys/ioctl.h> |
| 33 | |
| 34 | #include <adf/adf.h> |
| 35 | |
| 36 | #define ADF_BASE_PATH "/dev/" |
| 37 | |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 38 | static ssize_t adf_id_vector_to_array(const std::vector<adf_id_t> &in, |
| 39 | adf_id_t **out) |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 40 | { |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 41 | auto size = sizeof(in[0]) * in.size(); |
| 42 | // We can't use new[] since the existing API says the caller should free() |
| 43 | // the returned array |
| 44 | auto ret = static_cast<adf_id_t *>(malloc(size)); |
| 45 | if (!ret) |
| 46 | return -ENOMEM; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 47 | |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 48 | std::copy(in.begin(), in.end(), ret); |
| 49 | *out = ret; |
| 50 | return in.size(); |
| 51 | } |
| 52 | |
| 53 | static ssize_t adf_find_nodes(const char *pattern, adf_id_t **ids_out) |
| 54 | { |
| 55 | struct dirent *dirent; |
| 56 | std::unique_ptr<DIR, decltype(&closedir)> |
| 57 | dir{opendir(ADF_BASE_PATH), closedir}; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 58 | if (!dir) |
| 59 | return -errno; |
| 60 | |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 61 | std::vector<adf_id_t> ids; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 62 | errno = 0; |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 63 | while ((dirent = readdir(dir.get()))) { |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 64 | adf_id_t id; |
| 65 | int matched = sscanf(dirent->d_name, pattern, &id); |
| 66 | |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 67 | if (matched < 0) |
| 68 | return -errno; |
| 69 | else if (matched == 1) |
| 70 | ids.push_back(id); |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 71 | } |
| 72 | if (errno) |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 73 | return -errno; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 74 | |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 75 | return adf_id_vector_to_array(ids, ids_out); |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 76 | } |
| 77 | |
| 78 | ssize_t adf_devices(adf_id_t **ids) |
| 79 | { |
| 80 | return adf_find_nodes("adf%u", ids); |
| 81 | } |
| 82 | |
| 83 | int adf_device_open(adf_id_t id, int flags, struct adf_device *dev) |
| 84 | { |
| 85 | char filename[64]; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 86 | |
| 87 | dev->id = id; |
| 88 | |
| 89 | snprintf(filename, sizeof(filename), ADF_BASE_PATH "adf%u", id); |
| 90 | dev->fd = open(filename, flags); |
| 91 | if (dev->fd < 0) |
| 92 | return -errno; |
| 93 | |
| 94 | return 0; |
| 95 | } |
| 96 | |
| 97 | void adf_device_close(struct adf_device *dev) |
| 98 | { |
| 99 | if (dev->fd >= 0) |
| 100 | close(dev->fd); |
| 101 | } |
| 102 | |
| 103 | int adf_get_device_data(struct adf_device *dev, struct adf_device_data *data) |
| 104 | { |
| 105 | int err; |
| 106 | int ret = 0; |
| 107 | |
| 108 | memset(data, 0, sizeof(*data)); |
| 109 | |
| 110 | err = ioctl(dev->fd, ADF_GET_DEVICE_DATA, data); |
| 111 | if (err < 0) |
| 112 | return -ENOMEM; |
| 113 | |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 114 | if (data->n_attachments) |
| 115 | data->attachments = new adf_attachment_config[data->n_attachments]; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 116 | |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 117 | if (data->n_allowed_attachments) |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 118 | data->allowed_attachments = |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 119 | new adf_attachment_config[data->n_allowed_attachments]; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 120 | |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 121 | if (data->custom_data_size) |
| 122 | data->custom_data = new char[data->custom_data_size]; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 123 | |
| 124 | err = ioctl(dev->fd, ADF_GET_DEVICE_DATA, data); |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 125 | if (err < 0) { |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 126 | ret = -errno; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 127 | adf_free_device_data(data); |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 128 | } |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 129 | return ret; |
| 130 | } |
| 131 | |
| 132 | void adf_free_device_data(struct adf_device_data *data) |
| 133 | { |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 134 | delete [] data->attachments; |
| 135 | delete [] data->allowed_attachments; |
| 136 | delete [] static_cast<char *>(data->custom_data); |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 137 | } |
| 138 | |
| 139 | int adf_device_post(struct adf_device *dev, |
| 140 | adf_id_t *interfaces, size_t n_interfaces, |
| 141 | struct adf_buffer_config *bufs, size_t n_bufs, |
| 142 | void *custom_data, size_t custom_data_size) |
| 143 | { |
| 144 | int err; |
| 145 | struct adf_post_config data; |
| 146 | |
| 147 | memset(&data, 0, sizeof(data)); |
| 148 | data.interfaces = interfaces; |
| 149 | data.n_interfaces = n_interfaces; |
| 150 | data.bufs = bufs; |
| 151 | data.n_bufs = n_bufs; |
| 152 | data.custom_data = custom_data; |
| 153 | data.custom_data_size = custom_data_size; |
| 154 | |
| 155 | err = ioctl(dev->fd, ADF_POST_CONFIG, &data); |
| 156 | if (err < 0) |
| 157 | return -errno; |
| 158 | |
| 159 | return (int)data.complete_fence; |
| 160 | } |
| 161 | |
Greg Hackmann | 095da6f | 2016-07-25 14:49:30 -0700 | [diff] [blame] | 162 | int adf_device_post_v2(struct adf_device *dev, |
| 163 | adf_id_t *interfaces, __u32 n_interfaces, |
| 164 | struct adf_buffer_config *bufs, __u32 n_bufs, |
| 165 | void *custom_data, __u64 custom_data_size, |
| 166 | enum adf_complete_fence_type complete_fence_type, |
| 167 | int *complete_fence) |
| 168 | { |
| 169 | int err; |
| 170 | struct adf_post_config_v2 data; |
| 171 | |
| 172 | memset(&data, 0, sizeof(data)); |
| 173 | data.interfaces = (uintptr_t)interfaces; |
| 174 | data.n_interfaces = n_interfaces; |
| 175 | data.bufs = (uintptr_t)bufs; |
| 176 | data.n_bufs = n_bufs; |
| 177 | data.custom_data = (uintptr_t)custom_data; |
| 178 | data.custom_data_size = custom_data_size; |
| 179 | data.complete_fence_type = complete_fence_type; |
| 180 | |
| 181 | err = ioctl(dev->fd, ADF_POST_CONFIG_V2, &data); |
| 182 | if (err < 0) |
| 183 | return -errno; |
| 184 | |
| 185 | if (complete_fence) |
| 186 | *complete_fence = data.complete_fence; |
| 187 | else if (data.complete_fence >= 0) |
| 188 | close(data.complete_fence); |
| 189 | |
| 190 | return 0; |
| 191 | } |
| 192 | |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 193 | static int adf_device_attachment(struct adf_device *dev, |
| 194 | adf_id_t overlay_engine, adf_id_t interface, bool attach) |
| 195 | { |
| 196 | int err; |
| 197 | struct adf_attachment_config data; |
| 198 | |
| 199 | memset(&data, 0, sizeof(data)); |
| 200 | data.overlay_engine = overlay_engine; |
| 201 | data.interface = interface; |
| 202 | |
| 203 | err = ioctl(dev->fd, attach ? ADF_ATTACH : ADF_DETACH, &data); |
| 204 | if (err < 0) |
| 205 | return -errno; |
| 206 | |
| 207 | return 0; |
| 208 | } |
| 209 | |
| 210 | int adf_device_attach(struct adf_device *dev, adf_id_t overlay_engine, |
| 211 | adf_id_t interface) |
| 212 | { |
| 213 | return adf_device_attachment(dev, overlay_engine, interface, true); |
| 214 | } |
| 215 | |
| 216 | int adf_device_detach(struct adf_device *dev, adf_id_t overlay_engine, |
| 217 | adf_id_t interface) |
| 218 | { |
| 219 | return adf_device_attachment(dev, overlay_engine, interface, false); |
| 220 | } |
| 221 | |
| 222 | ssize_t adf_interfaces(struct adf_device *dev, adf_id_t **interfaces) |
| 223 | { |
| 224 | char pattern[64]; |
| 225 | |
| 226 | snprintf(pattern, sizeof(pattern), "adf-interface%u.%%u", dev->id); |
| 227 | return adf_find_nodes(pattern, interfaces); |
| 228 | } |
| 229 | |
| 230 | ssize_t adf_interfaces_for_overlay_engine(struct adf_device *dev, |
| 231 | adf_id_t overlay_engine, adf_id_t **interfaces) |
| 232 | { |
| 233 | struct adf_device_data data; |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 234 | auto err = adf_get_device_data(dev, &data); |
| 235 | if (err < 0) |
| 236 | return err; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 237 | |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 238 | std::vector<adf_id_t> ids; |
| 239 | for (size_t i = 0; i < data.n_allowed_attachments; i++) |
| 240 | if (data.allowed_attachments[i].overlay_engine == overlay_engine) |
| 241 | ids.push_back(data.allowed_attachments[i].interface); |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 242 | |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 243 | adf_free_device_data(&data); |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 244 | return adf_id_vector_to_array(ids, interfaces); |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 245 | } |
| 246 | |
| 247 | static ssize_t adf_interfaces_filter(struct adf_device *dev, |
| 248 | adf_id_t *in, size_t n_in, adf_id_t **out, |
| 249 | bool (*filter)(struct adf_interface_data *data, __u32 match), |
| 250 | __u32 match) |
| 251 | { |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 252 | std::vector<adf_id_t> ids; |
| 253 | for (size_t i = 0; i < n_in; i++) { |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 254 | int fd = adf_interface_open(dev, in[i], O_RDONLY); |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 255 | if (fd < 0) |
| 256 | return fd; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 257 | |
| 258 | struct adf_interface_data data; |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 259 | auto ret = adf_get_interface_data(fd, &data); |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 260 | close(fd); |
| 261 | if (ret < 0) |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 262 | return ret; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 263 | |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 264 | if (filter(&data, match)) |
| 265 | ids.push_back(in[i]); |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 266 | } |
| 267 | |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 268 | return adf_id_vector_to_array(ids, out); |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 269 | } |
| 270 | |
| 271 | static bool adf_interface_type_filter(struct adf_interface_data *data, |
| 272 | __u32 type) |
| 273 | { |
| 274 | return data->type == (enum adf_interface_type)type; |
| 275 | } |
| 276 | |
| 277 | ssize_t adf_interfaces_filter_by_type(struct adf_device *dev, |
| 278 | enum adf_interface_type type, |
| 279 | adf_id_t *in, size_t n_in, adf_id_t **out) |
| 280 | { |
| 281 | return adf_interfaces_filter(dev, in, n_in, out, adf_interface_type_filter, |
| 282 | type); |
| 283 | } |
| 284 | |
| 285 | static bool adf_interface_flags_filter(struct adf_interface_data *data, |
| 286 | __u32 flag) |
| 287 | { |
| 288 | return !!(data->flags & flag); |
| 289 | } |
| 290 | |
| 291 | ssize_t adf_interfaces_filter_by_flag(struct adf_device *dev, __u32 flag, |
| 292 | adf_id_t *in, size_t n_in, adf_id_t **out) |
| 293 | { |
| 294 | return adf_interfaces_filter(dev, in, n_in, out, adf_interface_flags_filter, |
| 295 | flag); |
| 296 | } |
| 297 | |
| 298 | int adf_interface_open(struct adf_device *dev, adf_id_t id, int flags) |
| 299 | { |
| 300 | char filename[64]; |
| 301 | |
| 302 | snprintf(filename, sizeof(filename), ADF_BASE_PATH "adf-interface%u.%u", |
| 303 | dev->id, id); |
| 304 | |
| 305 | int fd = open(filename, flags); |
| 306 | if (fd < 0) |
| 307 | return -errno; |
| 308 | return fd; |
| 309 | } |
| 310 | |
| 311 | int adf_get_interface_data(int fd, struct adf_interface_data *data) |
| 312 | { |
| 313 | int err; |
| 314 | int ret = 0; |
| 315 | |
| 316 | memset(data, 0, sizeof(*data)); |
| 317 | |
| 318 | err = ioctl(fd, ADF_GET_INTERFACE_DATA, data); |
| 319 | if (err < 0) |
| 320 | return -errno; |
| 321 | |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 322 | if (data->n_available_modes) |
| 323 | data->available_modes = new drm_mode_modeinfo[data->n_available_modes]; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 324 | |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 325 | if (data->custom_data_size) |
| 326 | data->custom_data = new char[data->custom_data_size]; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 327 | |
| 328 | err = ioctl(fd, ADF_GET_INTERFACE_DATA, data); |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 329 | if (err < 0) { |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 330 | ret = -errno; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 331 | adf_free_interface_data(data); |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 332 | } |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 333 | return ret; |
| 334 | } |
| 335 | |
| 336 | void adf_free_interface_data(struct adf_interface_data *data) |
| 337 | { |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 338 | delete [] data->available_modes; |
| 339 | delete [] static_cast<char *>(data->custom_data); |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 340 | } |
| 341 | |
| 342 | int adf_interface_blank(int fd, __u8 mode) |
| 343 | { |
| 344 | int err = ioctl(fd, ADF_BLANK, mode); |
| 345 | if (err < 0) |
| 346 | return -errno; |
| 347 | return 0; |
| 348 | } |
| 349 | |
| 350 | int adf_interface_set_mode(int fd, struct drm_mode_modeinfo *mode) |
| 351 | { |
| 352 | int err = ioctl(fd, ADF_SET_MODE, mode); |
| 353 | if (err < 0) |
| 354 | return -errno; |
| 355 | return 0; |
| 356 | } |
| 357 | |
| 358 | int adf_interface_simple_buffer_alloc(int fd, __u32 w, __u32 h, |
| 359 | __u32 format, __u32 *offset, __u32 *pitch) |
| 360 | { |
| 361 | int err; |
| 362 | struct adf_simple_buffer_alloc data; |
| 363 | |
| 364 | memset(&data, 0, sizeof(data)); |
| 365 | data.w = w; |
| 366 | data.h = h; |
| 367 | data.format = format; |
| 368 | |
| 369 | err = ioctl(fd, ADF_SIMPLE_BUFFER_ALLOC, &data); |
| 370 | if (err < 0) |
| 371 | return -errno; |
| 372 | |
| 373 | *offset = data.offset; |
| 374 | *pitch = data.pitch; |
| 375 | return (int)data.fd; |
| 376 | } |
| 377 | |
Greg Hackmann | 095da6f | 2016-07-25 14:49:30 -0700 | [diff] [blame] | 378 | static void adf_interface_simple_post_config_buf(struct adf_buffer_config *buf, |
| 379 | __u32 overlay_engine, __u32 w, __u32 h, __u32 format, int buf_fd, |
| 380 | __u32 offset, __u32 pitch, int acquire_fence) |
| 381 | { |
| 382 | buf->overlay_engine = overlay_engine; |
| 383 | buf->w = w; |
| 384 | buf->h = h; |
| 385 | buf->format = format; |
| 386 | buf->fd[0] = buf_fd; |
| 387 | buf->offset[0] = offset; |
| 388 | buf->pitch[0] = pitch; |
| 389 | buf->n_planes = 1; |
| 390 | buf->acquire_fence = acquire_fence; |
| 391 | } |
| 392 | |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 393 | int adf_interface_simple_post(int fd, __u32 overlay_engine, |
| 394 | __u32 w, __u32 h, __u32 format, int buf_fd, __u32 offset, |
| 395 | __u32 pitch, int acquire_fence) |
| 396 | { |
| 397 | int ret; |
| 398 | struct adf_simple_post_config data; |
| 399 | |
| 400 | memset(&data, 0, sizeof(data)); |
Greg Hackmann | 095da6f | 2016-07-25 14:49:30 -0700 | [diff] [blame] | 401 | adf_interface_simple_post_config_buf(&data.buf, overlay_engine, w, h, format, |
| 402 | buf_fd, offset, pitch, acquire_fence); |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 403 | ret = ioctl(fd, ADF_SIMPLE_POST_CONFIG, &data); |
| 404 | if (ret < 0) |
| 405 | return -errno; |
| 406 | |
| 407 | return (int)data.complete_fence; |
| 408 | } |
| 409 | |
Greg Hackmann | 095da6f | 2016-07-25 14:49:30 -0700 | [diff] [blame] | 410 | int adf_interface_simple_post_v2(int fd, adf_id_t overlay_engine, |
| 411 | __u32 w, __u32 h, __u32 format, int buf_fd, __u32 offset, |
| 412 | __u32 pitch, int acquire_fence, |
| 413 | enum adf_complete_fence_type complete_fence_type, |
| 414 | int *complete_fence) |
| 415 | { |
| 416 | int ret; |
| 417 | struct adf_simple_post_config_v2 data; |
| 418 | |
| 419 | memset(&data, 0, sizeof(data)); |
| 420 | adf_interface_simple_post_config_buf(&data.buf, overlay_engine, w, h, format, |
| 421 | buf_fd, offset, pitch, acquire_fence); |
| 422 | data.complete_fence_type = complete_fence_type; |
| 423 | |
| 424 | ret = ioctl(fd, ADF_SIMPLE_POST_CONFIG_V2, &data); |
| 425 | if (ret < 0) |
| 426 | return -errno; |
| 427 | |
| 428 | if (complete_fence) |
| 429 | *complete_fence = data.complete_fence; |
| 430 | else if (data.complete_fence >= 0) |
| 431 | close(data.complete_fence); |
| 432 | |
| 433 | return 0; |
| 434 | } |
| 435 | |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 436 | ssize_t adf_overlay_engines(struct adf_device *dev, adf_id_t **overlay_engines) |
| 437 | { |
| 438 | char pattern[64]; |
| 439 | |
| 440 | snprintf(pattern, sizeof(pattern), "adf-overlay-engine%u.%%u", dev->id); |
| 441 | return adf_find_nodes(pattern, overlay_engines); |
| 442 | } |
| 443 | |
| 444 | ssize_t adf_overlay_engines_for_interface(struct adf_device *dev, |
| 445 | adf_id_t interface, adf_id_t **overlay_engines) |
| 446 | { |
| 447 | struct adf_device_data data; |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 448 | auto err = adf_get_device_data(dev, &data); |
| 449 | if (err < 0) |
| 450 | return err; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 451 | |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 452 | std::vector<adf_id_t> ids; |
| 453 | for (size_t i = 0; i < data.n_allowed_attachments; i++) |
| 454 | if (data.allowed_attachments[i].interface == interface) |
| 455 | ids.push_back(data.allowed_attachments[i].overlay_engine); |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 456 | |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 457 | return adf_id_vector_to_array(ids, overlay_engines); |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 458 | } |
| 459 | |
| 460 | static ssize_t adf_overlay_engines_filter(struct adf_device *dev, |
| 461 | adf_id_t *in, size_t n_in, adf_id_t **out, |
Greg Hackmann | 47e0c8d | 2013-11-12 10:38:36 -0800 | [diff] [blame] | 462 | bool (*filter)(struct adf_overlay_engine_data *data, void *cookie), |
| 463 | void *cookie) |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 464 | { |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 465 | std::vector<adf_id_t> ids; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 466 | size_t i; |
| 467 | for (i = 0; i < n_in; i++) { |
| 468 | int fd = adf_overlay_engine_open(dev, in[i], O_RDONLY); |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 469 | if (fd < 0) |
| 470 | return fd; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 471 | |
| 472 | struct adf_overlay_engine_data data; |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 473 | auto ret = adf_get_overlay_engine_data(fd, &data); |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 474 | close(fd); |
| 475 | if (ret < 0) |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 476 | return ret; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 477 | |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 478 | if (filter(&data, cookie)) |
| 479 | ids.push_back(in[i]); |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 480 | } |
| 481 | |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 482 | return adf_id_vector_to_array(ids, out); |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 483 | } |
| 484 | |
Greg Hackmann | 47e0c8d | 2013-11-12 10:38:36 -0800 | [diff] [blame] | 485 | struct format_filter_cookie { |
| 486 | const __u32 *formats; |
| 487 | size_t n_formats; |
| 488 | }; |
| 489 | |
| 490 | static bool adf_overlay_engine_format_filter( |
| 491 | struct adf_overlay_engine_data *data, void *cookie) |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 492 | { |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 493 | auto c = static_cast<format_filter_cookie *>(cookie); |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 494 | size_t i; |
Greg Hackmann | 47e0c8d | 2013-11-12 10:38:36 -0800 | [diff] [blame] | 495 | for (i = 0; i < data->n_supported_formats; i++) { |
| 496 | size_t j; |
| 497 | for (j = 0; j < c->n_formats; j++) |
| 498 | if (data->supported_formats[i] == c->formats[j]) |
| 499 | return true; |
| 500 | } |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 501 | return false; |
| 502 | } |
| 503 | |
| 504 | ssize_t adf_overlay_engines_filter_by_format(struct adf_device *dev, |
Greg Hackmann | 47e0c8d | 2013-11-12 10:38:36 -0800 | [diff] [blame] | 505 | const __u32 *formats, size_t n_formats, adf_id_t *in, size_t n_in, |
| 506 | adf_id_t **out) |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 507 | { |
Greg Hackmann | 47e0c8d | 2013-11-12 10:38:36 -0800 | [diff] [blame] | 508 | struct format_filter_cookie cookie = { formats, n_formats }; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 509 | return adf_overlay_engines_filter(dev, in, n_in, out, |
Greg Hackmann | 47e0c8d | 2013-11-12 10:38:36 -0800 | [diff] [blame] | 510 | adf_overlay_engine_format_filter, &cookie); |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 511 | } |
| 512 | |
| 513 | int adf_overlay_engine_open(struct adf_device *dev, adf_id_t id, int flags) |
| 514 | { |
| 515 | char filename[64]; |
| 516 | |
| 517 | snprintf(filename, sizeof(filename), |
| 518 | ADF_BASE_PATH "adf-overlay-engine%u.%u", dev->id, id); |
| 519 | |
| 520 | int fd = open(filename, flags); |
| 521 | if (fd < 0) |
| 522 | return -errno; |
| 523 | return fd; |
| 524 | } |
| 525 | |
| 526 | int adf_get_overlay_engine_data(int fd, struct adf_overlay_engine_data *data) |
| 527 | { |
| 528 | int err; |
| 529 | int ret = 0; |
| 530 | |
| 531 | memset(data, 0, sizeof(*data)); |
| 532 | |
| 533 | err = ioctl(fd, ADF_GET_OVERLAY_ENGINE_DATA, data); |
| 534 | if (err < 0) |
| 535 | return -errno; |
| 536 | |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 537 | if (data->n_supported_formats) |
| 538 | data->supported_formats = new __u32[data->n_supported_formats]; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 539 | |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 540 | if (data->custom_data_size) |
| 541 | data->custom_data = new char[data->custom_data_size]; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 542 | |
| 543 | err = ioctl(fd, ADF_GET_OVERLAY_ENGINE_DATA, data); |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 544 | if (err < 0) { |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 545 | ret = -errno; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 546 | adf_free_overlay_engine_data(data); |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 547 | } |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 548 | return ret; |
| 549 | } |
| 550 | |
| 551 | void adf_free_overlay_engine_data(struct adf_overlay_engine_data *data) |
| 552 | { |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 553 | delete [] data->supported_formats; |
| 554 | delete [] static_cast<char *>(data->custom_data); |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 555 | } |
| 556 | |
| 557 | bool adf_overlay_engine_supports_format(int fd, __u32 format) |
| 558 | { |
| 559 | struct adf_overlay_engine_data data; |
| 560 | bool ret = false; |
| 561 | size_t i; |
| 562 | |
| 563 | int err = adf_get_overlay_engine_data(fd, &data); |
| 564 | if (err < 0) |
| 565 | return false; |
| 566 | |
| 567 | for (i = 0; i < data.n_supported_formats; i++) { |
| 568 | if (data.supported_formats[i] == format) { |
| 569 | ret = true; |
| 570 | break; |
| 571 | } |
| 572 | } |
| 573 | |
| 574 | adf_free_overlay_engine_data(&data); |
| 575 | return ret; |
| 576 | } |
| 577 | |
| 578 | int adf_set_event(int fd, enum adf_event_type type, bool enabled) |
| 579 | { |
| 580 | struct adf_set_event data; |
| 581 | |
| 582 | data.type = type; |
| 583 | data.enabled = enabled; |
| 584 | |
| 585 | int err = ioctl(fd, ADF_SET_EVENT, &data); |
| 586 | if (err < 0) |
| 587 | return -errno; |
| 588 | return 0; |
| 589 | } |
| 590 | |
| 591 | int adf_read_event(int fd, struct adf_event **event) |
| 592 | { |
| 593 | struct adf_event header; |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 594 | struct event_with_data { |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 595 | struct adf_event base; |
| 596 | uint8_t data[0]; |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 597 | }; |
| 598 | using unique_event = std::unique_ptr<event_with_data, decltype(&free)>; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 599 | size_t data_size; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 600 | |
| 601 | int err = read(fd, &header, sizeof(header)); |
| 602 | if (err < 0) |
| 603 | return -errno; |
| 604 | if ((size_t)err < sizeof(header)) |
| 605 | return -EIO; |
| 606 | if (header.length < sizeof(header)) |
| 607 | return -EIO; |
| 608 | |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 609 | // Again, we can't use new[] since the existing API says the caller should |
| 610 | // free() the returned event |
| 611 | auto event_ptr = static_cast<event_with_data *>(malloc(header.length)); |
| 612 | unique_event event_ret{event_ptr, free}; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 613 | if (!event_ret) |
| 614 | return -ENOMEM; |
| 615 | data_size = header.length - sizeof(header); |
| 616 | |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 617 | memcpy(event_ret.get(), &header, sizeof(header)); |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 618 | ssize_t read_size = read(fd, &event_ret->data, data_size); |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 619 | if (read_size < 0) |
| 620 | return -errno; |
| 621 | if ((size_t)read_size < data_size) |
| 622 | return -EIO; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 623 | |
Greg Hackmann | dc80973 | 2017-02-14 16:42:44 -0800 | [diff] [blame] | 624 | *event = &event_ret.release()->base; |
| 625 | return 0; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 626 | } |
| 627 | |
| 628 | void adf_format_str(__u32 format, char buf[ADF_FORMAT_STR_SIZE]) |
| 629 | { |
| 630 | buf[0] = format & 0xFF; |
| 631 | buf[1] = (format >> 8) & 0xFF; |
| 632 | buf[2] = (format >> 16) & 0xFF; |
| 633 | buf[3] = (format >> 24) & 0xFF; |
| 634 | buf[4] = '\0'; |
| 635 | } |
Greg Hackmann | 1832635 | 2013-11-12 10:39:35 -0800 | [diff] [blame] | 636 | |
| 637 | static bool adf_find_simple_post_overlay_engine(struct adf_device *dev, |
| 638 | const __u32 *formats, size_t n_formats, |
| 639 | adf_id_t interface, adf_id_t *overlay_engine) |
| 640 | { |
| 641 | adf_id_t *engs; |
| 642 | ssize_t n_engs = adf_overlay_engines_for_interface(dev, interface, &engs); |
| 643 | |
| 644 | if (n_engs <= 0) |
| 645 | return false; |
| 646 | |
| 647 | adf_id_t *filtered_engs; |
| 648 | ssize_t n_filtered_engs = adf_overlay_engines_filter_by_format(dev, |
| 649 | formats, n_formats, engs, n_engs, &filtered_engs); |
| 650 | free(engs); |
| 651 | |
| 652 | if (n_filtered_engs <= 0) |
| 653 | return false; |
| 654 | |
| 655 | *overlay_engine = filtered_engs[0]; |
| 656 | free(filtered_engs); |
| 657 | return true; |
| 658 | } |
| 659 | |
| 660 | static const __u32 any_rgb_format[] = { |
| 661 | DRM_FORMAT_C8, |
| 662 | DRM_FORMAT_RGB332, |
| 663 | DRM_FORMAT_BGR233, |
| 664 | DRM_FORMAT_XRGB1555, |
| 665 | DRM_FORMAT_XBGR1555, |
| 666 | DRM_FORMAT_RGBX5551, |
| 667 | DRM_FORMAT_BGRX5551, |
| 668 | DRM_FORMAT_ARGB1555, |
| 669 | DRM_FORMAT_ABGR1555, |
| 670 | DRM_FORMAT_RGBA5551, |
| 671 | DRM_FORMAT_BGRA5551, |
| 672 | DRM_FORMAT_RGB565, |
| 673 | DRM_FORMAT_BGR565, |
| 674 | DRM_FORMAT_RGB888, |
| 675 | DRM_FORMAT_BGR888, |
| 676 | DRM_FORMAT_XRGB8888, |
| 677 | DRM_FORMAT_XBGR8888, |
| 678 | DRM_FORMAT_RGBX8888, |
| 679 | DRM_FORMAT_BGRX8888, |
| 680 | DRM_FORMAT_XRGB2101010, |
| 681 | DRM_FORMAT_XBGR2101010, |
| 682 | DRM_FORMAT_RGBX1010102, |
| 683 | DRM_FORMAT_BGRX1010102, |
| 684 | DRM_FORMAT_ARGB2101010, |
| 685 | DRM_FORMAT_ABGR2101010, |
| 686 | DRM_FORMAT_RGBA1010102, |
| 687 | DRM_FORMAT_BGRA1010102, |
| 688 | DRM_FORMAT_ARGB8888, |
| 689 | DRM_FORMAT_ABGR8888, |
| 690 | DRM_FORMAT_RGBA8888, |
| 691 | DRM_FORMAT_BGRA8888, |
| 692 | }; |
| 693 | |
| 694 | int adf_find_simple_post_configuration(struct adf_device *dev, |
| 695 | const __u32 *formats, size_t n_formats, |
| 696 | adf_id_t *interface, adf_id_t *overlay_engine) |
| 697 | { |
Greg Hackmann | 20fcb78 | 2014-05-07 14:55:30 -0700 | [diff] [blame] | 698 | adf_id_t *intfs = NULL; |
Greg Hackmann | 1832635 | 2013-11-12 10:39:35 -0800 | [diff] [blame] | 699 | ssize_t n_intfs = adf_interfaces(dev, &intfs); |
| 700 | |
| 701 | if (n_intfs < 0) |
| 702 | return n_intfs; |
| 703 | else if (!n_intfs) |
| 704 | return -ENODEV; |
| 705 | |
| 706 | adf_id_t *primary_intfs; |
| 707 | ssize_t n_primary_intfs = adf_interfaces_filter_by_flag(dev, |
| 708 | ADF_INTF_FLAG_PRIMARY, intfs, n_intfs, &primary_intfs); |
| 709 | free(intfs); |
| 710 | |
| 711 | if (n_primary_intfs < 0) |
| 712 | return n_primary_intfs; |
| 713 | else if (!n_primary_intfs) |
| 714 | return -ENODEV; |
| 715 | |
| 716 | if (!formats) { |
| 717 | formats = any_rgb_format; |
| 718 | n_formats = sizeof(any_rgb_format) / sizeof(any_rgb_format[0]); |
| 719 | } |
| 720 | |
| 721 | bool found = false; |
| 722 | ssize_t i = 0; |
| 723 | for (i = 0; i < n_primary_intfs; i++) { |
| 724 | found = adf_find_simple_post_overlay_engine(dev, formats, n_formats, |
| 725 | primary_intfs[i], overlay_engine); |
| 726 | if (found) { |
| 727 | *interface = primary_intfs[i]; |
| 728 | break; |
| 729 | } |
| 730 | } |
| 731 | free(primary_intfs); |
| 732 | |
| 733 | if (!found) |
| 734 | return -ENODEV; |
| 735 | |
| 736 | return 0; |
| 737 | } |