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 | |
| 26 | #include <linux/limits.h> |
| 27 | |
| 28 | #include <sys/ioctl.h> |
| 29 | |
| 30 | #include <adf/adf.h> |
| 31 | |
| 32 | #define ADF_BASE_PATH "/dev/" |
| 33 | |
| 34 | static ssize_t adf_find_nodes(const char *pattern, adf_id_t **ids) |
| 35 | { |
| 36 | DIR *dir; |
| 37 | struct dirent *dirent; |
| 38 | size_t n = 0; |
| 39 | ssize_t ret; |
| 40 | adf_id_t *ids_ret = NULL; |
| 41 | |
| 42 | dir = opendir(ADF_BASE_PATH); |
| 43 | if (!dir) |
| 44 | return -errno; |
| 45 | |
| 46 | errno = 0; |
| 47 | while ((dirent = readdir(dir))) { |
| 48 | adf_id_t id; |
| 49 | int matched = sscanf(dirent->d_name, pattern, &id); |
| 50 | |
| 51 | if (matched < 0) { |
| 52 | ret = -errno; |
| 53 | goto done; |
| 54 | } else if (matched != 1) { |
| 55 | continue; |
| 56 | } |
| 57 | |
| 58 | adf_id_t *new_ids = realloc(ids_ret, (n + 1) * sizeof(ids_ret[0])); |
| 59 | if (!new_ids) { |
| 60 | ret = -ENOMEM; |
| 61 | goto done; |
| 62 | } |
| 63 | |
| 64 | ids_ret = new_ids; |
| 65 | ids_ret[n] = id; |
| 66 | n++; |
| 67 | } |
| 68 | if (errno) |
| 69 | ret = -errno; |
| 70 | else |
| 71 | ret = n; |
| 72 | |
| 73 | done: |
| 74 | closedir(dir); |
| 75 | if (ret < 0) |
| 76 | free(ids_ret); |
| 77 | else |
| 78 | *ids = ids_ret; |
| 79 | return ret; |
| 80 | } |
| 81 | |
| 82 | ssize_t adf_devices(adf_id_t **ids) |
| 83 | { |
| 84 | return adf_find_nodes("adf%u", ids); |
| 85 | } |
| 86 | |
| 87 | int adf_device_open(adf_id_t id, int flags, struct adf_device *dev) |
| 88 | { |
| 89 | char filename[64]; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 90 | |
| 91 | dev->id = id; |
| 92 | |
| 93 | snprintf(filename, sizeof(filename), ADF_BASE_PATH "adf%u", id); |
| 94 | dev->fd = open(filename, flags); |
| 95 | if (dev->fd < 0) |
| 96 | return -errno; |
| 97 | |
| 98 | return 0; |
| 99 | } |
| 100 | |
| 101 | void adf_device_close(struct adf_device *dev) |
| 102 | { |
| 103 | if (dev->fd >= 0) |
| 104 | close(dev->fd); |
| 105 | } |
| 106 | |
| 107 | int adf_get_device_data(struct adf_device *dev, struct adf_device_data *data) |
| 108 | { |
| 109 | int err; |
| 110 | int ret = 0; |
| 111 | |
| 112 | memset(data, 0, sizeof(*data)); |
| 113 | |
| 114 | err = ioctl(dev->fd, ADF_GET_DEVICE_DATA, data); |
| 115 | if (err < 0) |
| 116 | return -ENOMEM; |
| 117 | |
| 118 | if (data->n_attachments) { |
| 119 | data->attachments = malloc(sizeof(data->attachments[0]) * |
| 120 | data->n_attachments); |
| 121 | if (!data->attachments) |
| 122 | return -ENOMEM; |
| 123 | } |
| 124 | |
| 125 | if (data->n_allowed_attachments) { |
| 126 | data->allowed_attachments = |
| 127 | malloc(sizeof(data->allowed_attachments[0]) * |
| 128 | data->n_allowed_attachments); |
| 129 | if (!data->allowed_attachments) { |
| 130 | ret = -ENOMEM; |
| 131 | goto done; |
| 132 | } |
| 133 | } |
| 134 | |
| 135 | if (data->custom_data_size) { |
| 136 | data->custom_data = malloc(data->custom_data_size); |
| 137 | if (!data->custom_data) { |
| 138 | ret = -ENOMEM; |
| 139 | goto done; |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | err = ioctl(dev->fd, ADF_GET_DEVICE_DATA, data); |
| 144 | if (err < 0) |
| 145 | ret = -errno; |
| 146 | |
| 147 | done: |
| 148 | if (ret < 0) |
| 149 | adf_free_device_data(data); |
| 150 | return ret; |
| 151 | } |
| 152 | |
| 153 | void adf_free_device_data(struct adf_device_data *data) |
| 154 | { |
| 155 | free(data->attachments); |
| 156 | free(data->allowed_attachments); |
| 157 | free(data->custom_data); |
| 158 | } |
| 159 | |
| 160 | int adf_device_post(struct adf_device *dev, |
| 161 | adf_id_t *interfaces, size_t n_interfaces, |
| 162 | struct adf_buffer_config *bufs, size_t n_bufs, |
| 163 | void *custom_data, size_t custom_data_size) |
| 164 | { |
| 165 | int err; |
| 166 | struct adf_post_config data; |
| 167 | |
| 168 | memset(&data, 0, sizeof(data)); |
| 169 | data.interfaces = interfaces; |
| 170 | data.n_interfaces = n_interfaces; |
| 171 | data.bufs = bufs; |
| 172 | data.n_bufs = n_bufs; |
| 173 | data.custom_data = custom_data; |
| 174 | data.custom_data_size = custom_data_size; |
| 175 | |
| 176 | err = ioctl(dev->fd, ADF_POST_CONFIG, &data); |
| 177 | if (err < 0) |
| 178 | return -errno; |
| 179 | |
| 180 | return (int)data.complete_fence; |
| 181 | } |
| 182 | |
Greg Hackmann | 095da6f | 2016-07-25 14:49:30 -0700 | [diff] [blame^] | 183 | int adf_device_post_v2(struct adf_device *dev, |
| 184 | adf_id_t *interfaces, __u32 n_interfaces, |
| 185 | struct adf_buffer_config *bufs, __u32 n_bufs, |
| 186 | void *custom_data, __u64 custom_data_size, |
| 187 | enum adf_complete_fence_type complete_fence_type, |
| 188 | int *complete_fence) |
| 189 | { |
| 190 | int err; |
| 191 | struct adf_post_config_v2 data; |
| 192 | |
| 193 | memset(&data, 0, sizeof(data)); |
| 194 | data.interfaces = (uintptr_t)interfaces; |
| 195 | data.n_interfaces = n_interfaces; |
| 196 | data.bufs = (uintptr_t)bufs; |
| 197 | data.n_bufs = n_bufs; |
| 198 | data.custom_data = (uintptr_t)custom_data; |
| 199 | data.custom_data_size = custom_data_size; |
| 200 | data.complete_fence_type = complete_fence_type; |
| 201 | |
| 202 | err = ioctl(dev->fd, ADF_POST_CONFIG_V2, &data); |
| 203 | if (err < 0) |
| 204 | return -errno; |
| 205 | |
| 206 | if (complete_fence) |
| 207 | *complete_fence = data.complete_fence; |
| 208 | else if (data.complete_fence >= 0) |
| 209 | close(data.complete_fence); |
| 210 | |
| 211 | return 0; |
| 212 | } |
| 213 | |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 214 | static int adf_device_attachment(struct adf_device *dev, |
| 215 | adf_id_t overlay_engine, adf_id_t interface, bool attach) |
| 216 | { |
| 217 | int err; |
| 218 | struct adf_attachment_config data; |
| 219 | |
| 220 | memset(&data, 0, sizeof(data)); |
| 221 | data.overlay_engine = overlay_engine; |
| 222 | data.interface = interface; |
| 223 | |
| 224 | err = ioctl(dev->fd, attach ? ADF_ATTACH : ADF_DETACH, &data); |
| 225 | if (err < 0) |
| 226 | return -errno; |
| 227 | |
| 228 | return 0; |
| 229 | } |
| 230 | |
| 231 | int adf_device_attach(struct adf_device *dev, adf_id_t overlay_engine, |
| 232 | adf_id_t interface) |
| 233 | { |
| 234 | return adf_device_attachment(dev, overlay_engine, interface, true); |
| 235 | } |
| 236 | |
| 237 | int adf_device_detach(struct adf_device *dev, adf_id_t overlay_engine, |
| 238 | adf_id_t interface) |
| 239 | { |
| 240 | return adf_device_attachment(dev, overlay_engine, interface, false); |
| 241 | } |
| 242 | |
| 243 | ssize_t adf_interfaces(struct adf_device *dev, adf_id_t **interfaces) |
| 244 | { |
| 245 | char pattern[64]; |
| 246 | |
| 247 | snprintf(pattern, sizeof(pattern), "adf-interface%u.%%u", dev->id); |
| 248 | return adf_find_nodes(pattern, interfaces); |
| 249 | } |
| 250 | |
| 251 | ssize_t adf_interfaces_for_overlay_engine(struct adf_device *dev, |
| 252 | adf_id_t overlay_engine, adf_id_t **interfaces) |
| 253 | { |
| 254 | struct adf_device_data data; |
| 255 | ssize_t n = 0; |
| 256 | ssize_t ret; |
| 257 | adf_id_t *ids_ret = NULL; |
| 258 | |
| 259 | ret = adf_get_device_data(dev, &data); |
| 260 | if (ret < 0) |
| 261 | return ret; |
| 262 | |
| 263 | size_t i; |
| 264 | for (i = 0; i < data.n_allowed_attachments; i++) { |
| 265 | if (data.allowed_attachments[i].overlay_engine != overlay_engine) |
| 266 | continue; |
| 267 | |
| 268 | adf_id_t *new_ids = realloc(ids_ret, (n + 1) * sizeof(ids_ret[0])); |
| 269 | if (!new_ids) { |
| 270 | ret = -ENOMEM; |
| 271 | goto done; |
| 272 | } |
| 273 | |
| 274 | ids_ret = new_ids; |
| 275 | ids_ret[n] = data.allowed_attachments[i].interface; |
| 276 | n++; |
| 277 | } |
| 278 | |
| 279 | ret = n; |
| 280 | |
| 281 | done: |
| 282 | adf_free_device_data(&data); |
| 283 | if (ret < 0) |
| 284 | free(ids_ret); |
| 285 | else |
| 286 | *interfaces = ids_ret; |
| 287 | return ret; |
| 288 | } |
| 289 | |
| 290 | static ssize_t adf_interfaces_filter(struct adf_device *dev, |
| 291 | adf_id_t *in, size_t n_in, adf_id_t **out, |
| 292 | bool (*filter)(struct adf_interface_data *data, __u32 match), |
| 293 | __u32 match) |
| 294 | { |
| 295 | size_t n = 0; |
| 296 | ssize_t ret; |
| 297 | adf_id_t *ids_ret = NULL; |
| 298 | |
| 299 | size_t i; |
| 300 | for (i = 0; i < n_in; i++) { |
| 301 | int fd = adf_interface_open(dev, in[i], O_RDONLY); |
| 302 | if (fd < 0) { |
| 303 | ret = fd; |
| 304 | goto done; |
| 305 | } |
| 306 | |
| 307 | struct adf_interface_data data; |
| 308 | ret = adf_get_interface_data(fd, &data); |
| 309 | close(fd); |
| 310 | if (ret < 0) |
| 311 | goto done; |
| 312 | |
| 313 | if (!filter(&data, match)) |
| 314 | continue; |
| 315 | |
| 316 | adf_id_t *new_ids = realloc(ids_ret, (n + 1) * sizeof(ids_ret[0])); |
| 317 | if (!new_ids) { |
| 318 | ret = -ENOMEM; |
| 319 | goto done; |
| 320 | } |
| 321 | |
| 322 | ids_ret = new_ids; |
| 323 | ids_ret[n] = in[i]; |
| 324 | n++; |
| 325 | } |
| 326 | |
| 327 | ret = n; |
| 328 | |
| 329 | done: |
| 330 | if (ret < 0) |
| 331 | free(ids_ret); |
| 332 | else |
| 333 | *out = ids_ret; |
| 334 | return ret; |
| 335 | } |
| 336 | |
| 337 | static bool adf_interface_type_filter(struct adf_interface_data *data, |
| 338 | __u32 type) |
| 339 | { |
| 340 | return data->type == (enum adf_interface_type)type; |
| 341 | } |
| 342 | |
| 343 | ssize_t adf_interfaces_filter_by_type(struct adf_device *dev, |
| 344 | enum adf_interface_type type, |
| 345 | adf_id_t *in, size_t n_in, adf_id_t **out) |
| 346 | { |
| 347 | return adf_interfaces_filter(dev, in, n_in, out, adf_interface_type_filter, |
| 348 | type); |
| 349 | } |
| 350 | |
| 351 | static bool adf_interface_flags_filter(struct adf_interface_data *data, |
| 352 | __u32 flag) |
| 353 | { |
| 354 | return !!(data->flags & flag); |
| 355 | } |
| 356 | |
| 357 | ssize_t adf_interfaces_filter_by_flag(struct adf_device *dev, __u32 flag, |
| 358 | adf_id_t *in, size_t n_in, adf_id_t **out) |
| 359 | { |
| 360 | return adf_interfaces_filter(dev, in, n_in, out, adf_interface_flags_filter, |
| 361 | flag); |
| 362 | } |
| 363 | |
| 364 | int adf_interface_open(struct adf_device *dev, adf_id_t id, int flags) |
| 365 | { |
| 366 | char filename[64]; |
| 367 | |
| 368 | snprintf(filename, sizeof(filename), ADF_BASE_PATH "adf-interface%u.%u", |
| 369 | dev->id, id); |
| 370 | |
| 371 | int fd = open(filename, flags); |
| 372 | if (fd < 0) |
| 373 | return -errno; |
| 374 | return fd; |
| 375 | } |
| 376 | |
| 377 | int adf_get_interface_data(int fd, struct adf_interface_data *data) |
| 378 | { |
| 379 | int err; |
| 380 | int ret = 0; |
| 381 | |
| 382 | memset(data, 0, sizeof(*data)); |
| 383 | |
| 384 | err = ioctl(fd, ADF_GET_INTERFACE_DATA, data); |
| 385 | if (err < 0) |
| 386 | return -errno; |
| 387 | |
| 388 | if (data->n_available_modes) { |
| 389 | data->available_modes = malloc(sizeof(data->available_modes[0]) * |
| 390 | data->n_available_modes); |
| 391 | if (!data->available_modes) |
| 392 | return -ENOMEM; |
| 393 | } |
| 394 | |
| 395 | if (data->custom_data_size) { |
| 396 | data->custom_data = malloc(data->custom_data_size); |
| 397 | if (!data->custom_data) { |
| 398 | ret = -ENOMEM; |
| 399 | goto done; |
| 400 | } |
| 401 | } |
| 402 | |
| 403 | err = ioctl(fd, ADF_GET_INTERFACE_DATA, data); |
| 404 | if (err < 0) |
| 405 | ret = -errno; |
| 406 | |
| 407 | done: |
| 408 | if (ret < 0) |
| 409 | adf_free_interface_data(data); |
| 410 | return ret; |
| 411 | } |
| 412 | |
| 413 | void adf_free_interface_data(struct adf_interface_data *data) |
| 414 | { |
| 415 | free(data->available_modes); |
| 416 | free(data->custom_data); |
| 417 | } |
| 418 | |
| 419 | int adf_interface_blank(int fd, __u8 mode) |
| 420 | { |
| 421 | int err = ioctl(fd, ADF_BLANK, mode); |
| 422 | if (err < 0) |
| 423 | return -errno; |
| 424 | return 0; |
| 425 | } |
| 426 | |
| 427 | int adf_interface_set_mode(int fd, struct drm_mode_modeinfo *mode) |
| 428 | { |
| 429 | int err = ioctl(fd, ADF_SET_MODE, mode); |
| 430 | if (err < 0) |
| 431 | return -errno; |
| 432 | return 0; |
| 433 | } |
| 434 | |
| 435 | int adf_interface_simple_buffer_alloc(int fd, __u32 w, __u32 h, |
| 436 | __u32 format, __u32 *offset, __u32 *pitch) |
| 437 | { |
| 438 | int err; |
| 439 | struct adf_simple_buffer_alloc data; |
| 440 | |
| 441 | memset(&data, 0, sizeof(data)); |
| 442 | data.w = w; |
| 443 | data.h = h; |
| 444 | data.format = format; |
| 445 | |
| 446 | err = ioctl(fd, ADF_SIMPLE_BUFFER_ALLOC, &data); |
| 447 | if (err < 0) |
| 448 | return -errno; |
| 449 | |
| 450 | *offset = data.offset; |
| 451 | *pitch = data.pitch; |
| 452 | return (int)data.fd; |
| 453 | } |
| 454 | |
Greg Hackmann | 095da6f | 2016-07-25 14:49:30 -0700 | [diff] [blame^] | 455 | static void adf_interface_simple_post_config_buf(struct adf_buffer_config *buf, |
| 456 | __u32 overlay_engine, __u32 w, __u32 h, __u32 format, int buf_fd, |
| 457 | __u32 offset, __u32 pitch, int acquire_fence) |
| 458 | { |
| 459 | buf->overlay_engine = overlay_engine; |
| 460 | buf->w = w; |
| 461 | buf->h = h; |
| 462 | buf->format = format; |
| 463 | buf->fd[0] = buf_fd; |
| 464 | buf->offset[0] = offset; |
| 465 | buf->pitch[0] = pitch; |
| 466 | buf->n_planes = 1; |
| 467 | buf->acquire_fence = acquire_fence; |
| 468 | } |
| 469 | |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 470 | int adf_interface_simple_post(int fd, __u32 overlay_engine, |
| 471 | __u32 w, __u32 h, __u32 format, int buf_fd, __u32 offset, |
| 472 | __u32 pitch, int acquire_fence) |
| 473 | { |
| 474 | int ret; |
| 475 | struct adf_simple_post_config data; |
| 476 | |
| 477 | memset(&data, 0, sizeof(data)); |
Greg Hackmann | 095da6f | 2016-07-25 14:49:30 -0700 | [diff] [blame^] | 478 | adf_interface_simple_post_config_buf(&data.buf, overlay_engine, w, h, format, |
| 479 | buf_fd, offset, pitch, acquire_fence); |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 480 | ret = ioctl(fd, ADF_SIMPLE_POST_CONFIG, &data); |
| 481 | if (ret < 0) |
| 482 | return -errno; |
| 483 | |
| 484 | return (int)data.complete_fence; |
| 485 | } |
| 486 | |
Greg Hackmann | 095da6f | 2016-07-25 14:49:30 -0700 | [diff] [blame^] | 487 | int adf_interface_simple_post_v2(int fd, adf_id_t overlay_engine, |
| 488 | __u32 w, __u32 h, __u32 format, int buf_fd, __u32 offset, |
| 489 | __u32 pitch, int acquire_fence, |
| 490 | enum adf_complete_fence_type complete_fence_type, |
| 491 | int *complete_fence) |
| 492 | { |
| 493 | int ret; |
| 494 | struct adf_simple_post_config_v2 data; |
| 495 | |
| 496 | memset(&data, 0, sizeof(data)); |
| 497 | adf_interface_simple_post_config_buf(&data.buf, overlay_engine, w, h, format, |
| 498 | buf_fd, offset, pitch, acquire_fence); |
| 499 | data.complete_fence_type = complete_fence_type; |
| 500 | |
| 501 | ret = ioctl(fd, ADF_SIMPLE_POST_CONFIG_V2, &data); |
| 502 | if (ret < 0) |
| 503 | return -errno; |
| 504 | |
| 505 | if (complete_fence) |
| 506 | *complete_fence = data.complete_fence; |
| 507 | else if (data.complete_fence >= 0) |
| 508 | close(data.complete_fence); |
| 509 | |
| 510 | return 0; |
| 511 | } |
| 512 | |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 513 | ssize_t adf_overlay_engines(struct adf_device *dev, adf_id_t **overlay_engines) |
| 514 | { |
| 515 | char pattern[64]; |
| 516 | |
| 517 | snprintf(pattern, sizeof(pattern), "adf-overlay-engine%u.%%u", dev->id); |
| 518 | return adf_find_nodes(pattern, overlay_engines); |
| 519 | } |
| 520 | |
| 521 | ssize_t adf_overlay_engines_for_interface(struct adf_device *dev, |
| 522 | adf_id_t interface, adf_id_t **overlay_engines) |
| 523 | { |
| 524 | struct adf_device_data data; |
| 525 | ssize_t n = 0; |
| 526 | ssize_t ret; |
| 527 | adf_id_t *ids_ret = NULL; |
| 528 | |
| 529 | ret = adf_get_device_data(dev, &data); |
| 530 | if (ret < 0) |
| 531 | return ret; |
| 532 | |
| 533 | size_t i; |
| 534 | for (i = 0; i < data.n_allowed_attachments; i++) { |
| 535 | if (data.allowed_attachments[i].interface != interface) |
| 536 | continue; |
| 537 | |
| 538 | adf_id_t *new_ids = realloc(ids_ret, (n + 1) * sizeof(ids_ret[0])); |
| 539 | if (!new_ids) { |
| 540 | ret = -ENOMEM; |
| 541 | goto done; |
| 542 | } |
| 543 | |
| 544 | ids_ret = new_ids; |
| 545 | ids_ret[n] = data.allowed_attachments[i].overlay_engine; |
| 546 | n++; |
| 547 | } |
| 548 | |
| 549 | ret = n; |
| 550 | |
| 551 | done: |
| 552 | adf_free_device_data(&data); |
| 553 | if (ret < 0) |
| 554 | free(ids_ret); |
| 555 | else |
| 556 | *overlay_engines = ids_ret; |
| 557 | return ret; |
| 558 | } |
| 559 | |
| 560 | static ssize_t adf_overlay_engines_filter(struct adf_device *dev, |
| 561 | adf_id_t *in, size_t n_in, adf_id_t **out, |
Greg Hackmann | 47e0c8d | 2013-11-12 10:38:36 -0800 | [diff] [blame] | 562 | bool (*filter)(struct adf_overlay_engine_data *data, void *cookie), |
| 563 | void *cookie) |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 564 | { |
| 565 | size_t n = 0; |
| 566 | ssize_t ret; |
| 567 | adf_id_t *ids_ret = NULL; |
| 568 | |
| 569 | size_t i; |
| 570 | for (i = 0; i < n_in; i++) { |
| 571 | int fd = adf_overlay_engine_open(dev, in[i], O_RDONLY); |
| 572 | if (fd < 0) { |
| 573 | ret = fd; |
| 574 | goto done; |
| 575 | } |
| 576 | |
| 577 | struct adf_overlay_engine_data data; |
| 578 | ret = adf_get_overlay_engine_data(fd, &data); |
| 579 | close(fd); |
| 580 | if (ret < 0) |
| 581 | goto done; |
| 582 | |
Greg Hackmann | 47e0c8d | 2013-11-12 10:38:36 -0800 | [diff] [blame] | 583 | if (!filter(&data, cookie)) |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 584 | continue; |
| 585 | |
| 586 | adf_id_t *new_ids = realloc(ids_ret, (n + 1) * sizeof(ids_ret[0])); |
| 587 | if (!new_ids) { |
| 588 | ret = -ENOMEM; |
| 589 | goto done; |
| 590 | } |
| 591 | |
| 592 | ids_ret = new_ids; |
| 593 | ids_ret[n] = in[i]; |
| 594 | n++; |
| 595 | } |
| 596 | |
| 597 | ret = n; |
| 598 | |
| 599 | done: |
| 600 | if (ret < 0) |
| 601 | free(ids_ret); |
| 602 | else |
| 603 | *out = ids_ret; |
| 604 | return ret; |
| 605 | } |
| 606 | |
Greg Hackmann | 47e0c8d | 2013-11-12 10:38:36 -0800 | [diff] [blame] | 607 | struct format_filter_cookie { |
| 608 | const __u32 *formats; |
| 609 | size_t n_formats; |
| 610 | }; |
| 611 | |
| 612 | static bool adf_overlay_engine_format_filter( |
| 613 | struct adf_overlay_engine_data *data, void *cookie) |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 614 | { |
Greg Hackmann | 47e0c8d | 2013-11-12 10:38:36 -0800 | [diff] [blame] | 615 | struct format_filter_cookie *c = cookie; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 616 | size_t i; |
Greg Hackmann | 47e0c8d | 2013-11-12 10:38:36 -0800 | [diff] [blame] | 617 | for (i = 0; i < data->n_supported_formats; i++) { |
| 618 | size_t j; |
| 619 | for (j = 0; j < c->n_formats; j++) |
| 620 | if (data->supported_formats[i] == c->formats[j]) |
| 621 | return true; |
| 622 | } |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 623 | return false; |
| 624 | } |
| 625 | |
| 626 | ssize_t adf_overlay_engines_filter_by_format(struct adf_device *dev, |
Greg Hackmann | 47e0c8d | 2013-11-12 10:38:36 -0800 | [diff] [blame] | 627 | const __u32 *formats, size_t n_formats, adf_id_t *in, size_t n_in, |
| 628 | adf_id_t **out) |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 629 | { |
Greg Hackmann | 47e0c8d | 2013-11-12 10:38:36 -0800 | [diff] [blame] | 630 | struct format_filter_cookie cookie = { formats, n_formats }; |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 631 | return adf_overlay_engines_filter(dev, in, n_in, out, |
Greg Hackmann | 47e0c8d | 2013-11-12 10:38:36 -0800 | [diff] [blame] | 632 | adf_overlay_engine_format_filter, &cookie); |
Greg Hackmann | b85d12a | 2013-11-08 09:40:12 -0800 | [diff] [blame] | 633 | } |
| 634 | |
| 635 | int adf_overlay_engine_open(struct adf_device *dev, adf_id_t id, int flags) |
| 636 | { |
| 637 | char filename[64]; |
| 638 | |
| 639 | snprintf(filename, sizeof(filename), |
| 640 | ADF_BASE_PATH "adf-overlay-engine%u.%u", dev->id, id); |
| 641 | |
| 642 | int fd = open(filename, flags); |
| 643 | if (fd < 0) |
| 644 | return -errno; |
| 645 | return fd; |
| 646 | } |
| 647 | |
| 648 | int adf_get_overlay_engine_data(int fd, struct adf_overlay_engine_data *data) |
| 649 | { |
| 650 | int err; |
| 651 | int ret = 0; |
| 652 | |
| 653 | memset(data, 0, sizeof(*data)); |
| 654 | |
| 655 | err = ioctl(fd, ADF_GET_OVERLAY_ENGINE_DATA, data); |
| 656 | if (err < 0) |
| 657 | return -errno; |
| 658 | |
| 659 | if (data->n_supported_formats) { |
| 660 | data->supported_formats = malloc(sizeof(data->supported_formats[0]) * |
| 661 | data->n_supported_formats); |
| 662 | if (!data->supported_formats) |
| 663 | return -ENOMEM; |
| 664 | } |
| 665 | |
| 666 | if (data->custom_data_size) { |
| 667 | data->custom_data = malloc(data->custom_data_size); |
| 668 | if (!data->custom_data) { |
| 669 | ret = -ENOMEM; |
| 670 | goto done; |
| 671 | } |
| 672 | } |
| 673 | |
| 674 | err = ioctl(fd, ADF_GET_OVERLAY_ENGINE_DATA, data); |
| 675 | if (err < 0) |
| 676 | ret = -errno; |
| 677 | |
| 678 | done: |
| 679 | if (ret < 0) |
| 680 | adf_free_overlay_engine_data(data); |
| 681 | return ret; |
| 682 | } |
| 683 | |
| 684 | void adf_free_overlay_engine_data(struct adf_overlay_engine_data *data) |
| 685 | { |
| 686 | free(data->supported_formats); |
| 687 | free(data->custom_data); |
| 688 | } |
| 689 | |
| 690 | bool adf_overlay_engine_supports_format(int fd, __u32 format) |
| 691 | { |
| 692 | struct adf_overlay_engine_data data; |
| 693 | bool ret = false; |
| 694 | size_t i; |
| 695 | |
| 696 | int err = adf_get_overlay_engine_data(fd, &data); |
| 697 | if (err < 0) |
| 698 | return false; |
| 699 | |
| 700 | for (i = 0; i < data.n_supported_formats; i++) { |
| 701 | if (data.supported_formats[i] == format) { |
| 702 | ret = true; |
| 703 | break; |
| 704 | } |
| 705 | } |
| 706 | |
| 707 | adf_free_overlay_engine_data(&data); |
| 708 | return ret; |
| 709 | } |
| 710 | |
| 711 | int adf_set_event(int fd, enum adf_event_type type, bool enabled) |
| 712 | { |
| 713 | struct adf_set_event data; |
| 714 | |
| 715 | data.type = type; |
| 716 | data.enabled = enabled; |
| 717 | |
| 718 | int err = ioctl(fd, ADF_SET_EVENT, &data); |
| 719 | if (err < 0) |
| 720 | return -errno; |
| 721 | return 0; |
| 722 | } |
| 723 | |
| 724 | int adf_read_event(int fd, struct adf_event **event) |
| 725 | { |
| 726 | struct adf_event header; |
| 727 | struct { |
| 728 | struct adf_event base; |
| 729 | uint8_t data[0]; |
| 730 | } *event_ret; |
| 731 | size_t data_size; |
| 732 | int ret = 0; |
| 733 | |
| 734 | int err = read(fd, &header, sizeof(header)); |
| 735 | if (err < 0) |
| 736 | return -errno; |
| 737 | if ((size_t)err < sizeof(header)) |
| 738 | return -EIO; |
| 739 | if (header.length < sizeof(header)) |
| 740 | return -EIO; |
| 741 | |
| 742 | event_ret = malloc(header.length); |
| 743 | if (!event_ret) |
| 744 | return -ENOMEM; |
| 745 | data_size = header.length - sizeof(header); |
| 746 | |
| 747 | memcpy(event_ret, &header, sizeof(header)); |
| 748 | ssize_t read_size = read(fd, &event_ret->data, data_size); |
| 749 | if (read_size < 0) { |
| 750 | ret = -errno; |
| 751 | goto done; |
| 752 | } |
| 753 | if ((size_t)read_size < data_size) { |
| 754 | ret = -EIO; |
| 755 | goto done; |
| 756 | } |
| 757 | |
| 758 | *event = &event_ret->base; |
| 759 | |
| 760 | done: |
| 761 | if (ret < 0) |
| 762 | free(event_ret); |
| 763 | return ret; |
| 764 | } |
| 765 | |
| 766 | void adf_format_str(__u32 format, char buf[ADF_FORMAT_STR_SIZE]) |
| 767 | { |
| 768 | buf[0] = format & 0xFF; |
| 769 | buf[1] = (format >> 8) & 0xFF; |
| 770 | buf[2] = (format >> 16) & 0xFF; |
| 771 | buf[3] = (format >> 24) & 0xFF; |
| 772 | buf[4] = '\0'; |
| 773 | } |
Greg Hackmann | 1832635 | 2013-11-12 10:39:35 -0800 | [diff] [blame] | 774 | |
| 775 | static bool adf_find_simple_post_overlay_engine(struct adf_device *dev, |
| 776 | const __u32 *formats, size_t n_formats, |
| 777 | adf_id_t interface, adf_id_t *overlay_engine) |
| 778 | { |
| 779 | adf_id_t *engs; |
| 780 | ssize_t n_engs = adf_overlay_engines_for_interface(dev, interface, &engs); |
| 781 | |
| 782 | if (n_engs <= 0) |
| 783 | return false; |
| 784 | |
| 785 | adf_id_t *filtered_engs; |
| 786 | ssize_t n_filtered_engs = adf_overlay_engines_filter_by_format(dev, |
| 787 | formats, n_formats, engs, n_engs, &filtered_engs); |
| 788 | free(engs); |
| 789 | |
| 790 | if (n_filtered_engs <= 0) |
| 791 | return false; |
| 792 | |
| 793 | *overlay_engine = filtered_engs[0]; |
| 794 | free(filtered_engs); |
| 795 | return true; |
| 796 | } |
| 797 | |
| 798 | static const __u32 any_rgb_format[] = { |
| 799 | DRM_FORMAT_C8, |
| 800 | DRM_FORMAT_RGB332, |
| 801 | DRM_FORMAT_BGR233, |
| 802 | DRM_FORMAT_XRGB1555, |
| 803 | DRM_FORMAT_XBGR1555, |
| 804 | DRM_FORMAT_RGBX5551, |
| 805 | DRM_FORMAT_BGRX5551, |
| 806 | DRM_FORMAT_ARGB1555, |
| 807 | DRM_FORMAT_ABGR1555, |
| 808 | DRM_FORMAT_RGBA5551, |
| 809 | DRM_FORMAT_BGRA5551, |
| 810 | DRM_FORMAT_RGB565, |
| 811 | DRM_FORMAT_BGR565, |
| 812 | DRM_FORMAT_RGB888, |
| 813 | DRM_FORMAT_BGR888, |
| 814 | DRM_FORMAT_XRGB8888, |
| 815 | DRM_FORMAT_XBGR8888, |
| 816 | DRM_FORMAT_RGBX8888, |
| 817 | DRM_FORMAT_BGRX8888, |
| 818 | DRM_FORMAT_XRGB2101010, |
| 819 | DRM_FORMAT_XBGR2101010, |
| 820 | DRM_FORMAT_RGBX1010102, |
| 821 | DRM_FORMAT_BGRX1010102, |
| 822 | DRM_FORMAT_ARGB2101010, |
| 823 | DRM_FORMAT_ABGR2101010, |
| 824 | DRM_FORMAT_RGBA1010102, |
| 825 | DRM_FORMAT_BGRA1010102, |
| 826 | DRM_FORMAT_ARGB8888, |
| 827 | DRM_FORMAT_ABGR8888, |
| 828 | DRM_FORMAT_RGBA8888, |
| 829 | DRM_FORMAT_BGRA8888, |
| 830 | }; |
| 831 | |
| 832 | int adf_find_simple_post_configuration(struct adf_device *dev, |
| 833 | const __u32 *formats, size_t n_formats, |
| 834 | adf_id_t *interface, adf_id_t *overlay_engine) |
| 835 | { |
Greg Hackmann | 20fcb78 | 2014-05-07 14:55:30 -0700 | [diff] [blame] | 836 | adf_id_t *intfs = NULL; |
Greg Hackmann | 1832635 | 2013-11-12 10:39:35 -0800 | [diff] [blame] | 837 | ssize_t n_intfs = adf_interfaces(dev, &intfs); |
| 838 | |
| 839 | if (n_intfs < 0) |
| 840 | return n_intfs; |
| 841 | else if (!n_intfs) |
| 842 | return -ENODEV; |
| 843 | |
| 844 | adf_id_t *primary_intfs; |
| 845 | ssize_t n_primary_intfs = adf_interfaces_filter_by_flag(dev, |
| 846 | ADF_INTF_FLAG_PRIMARY, intfs, n_intfs, &primary_intfs); |
| 847 | free(intfs); |
| 848 | |
| 849 | if (n_primary_intfs < 0) |
| 850 | return n_primary_intfs; |
| 851 | else if (!n_primary_intfs) |
| 852 | return -ENODEV; |
| 853 | |
| 854 | if (!formats) { |
| 855 | formats = any_rgb_format; |
| 856 | n_formats = sizeof(any_rgb_format) / sizeof(any_rgb_format[0]); |
| 857 | } |
| 858 | |
| 859 | bool found = false; |
| 860 | ssize_t i = 0; |
| 861 | for (i = 0; i < n_primary_intfs; i++) { |
| 862 | found = adf_find_simple_post_overlay_engine(dev, formats, n_formats, |
| 863 | primary_intfs[i], overlay_engine); |
| 864 | if (found) { |
| 865 | *interface = primary_intfs[i]; |
| 866 | break; |
| 867 | } |
| 868 | } |
| 869 | free(primary_intfs); |
| 870 | |
| 871 | if (!found) |
| 872 | return -ENODEV; |
| 873 | |
| 874 | return 0; |
| 875 | } |