Andrew F. Davis | 8eaa2bf | 2018-07-24 08:20:35 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) Texas Instruments Incorporated - http://www.ti.com/ |
| 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 <sstream> |
| 18 | |
| 19 | #include <cutils/trace.h> |
| 20 | #include <fcntl.h> |
| 21 | #include <poll.h> |
| 22 | #include <sys/ioctl.h> |
| 23 | #include <sys/resource.h> |
| 24 | |
Alistair Strachan | 3b0cfcc | 2018-10-17 14:46:08 -0700 | [diff] [blame] | 25 | #include <log/log.h> |
Andrew F. Davis | 8eaa2bf | 2018-07-24 08:20:35 -0500 | [diff] [blame] | 26 | #include <cutils/properties.h> |
| 27 | #define HWC_REMOVE_DEPRECATED_VERSIONS 1 |
| 28 | #include <hardware/hardware.h> |
| 29 | #include <hardware/hwcomposer.h> |
| 30 | #include <hardware_legacy/uevent.h> |
| 31 | |
| 32 | #include <kms++/kms++.h> |
| 33 | |
| 34 | #include "display.h" |
| 35 | #include "format.h" |
| 36 | #include "hwc_dev.h" |
| 37 | |
| 38 | #define LCD_DISPLAY_DEFAULT_HRES 1920 |
| 39 | #define LCD_DISPLAY_DEFAULT_VRES 1080 |
| 40 | #define LCD_DISPLAY_DEFAULT_FPS 60 |
| 41 | |
| 42 | #define LCD_DISPLAY_DEFAULT_DPI 120 |
| 43 | #define HDMI_DISPLAY_DEFAULT_DPI 75 |
| 44 | |
| 45 | #define HWC_PRIORITY_LOW_DISPLAY (19) |
| 46 | |
| 47 | #ifndef ARRAY_SIZE |
| 48 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) |
| 49 | #endif |
| 50 | |
| 51 | #define WIDTH(rect) ((rect).right - (rect).left) |
| 52 | #define HEIGHT(rect) ((rect).bottom - (rect).top) |
| 53 | |
| 54 | static bool is_valid_display(omap_hwc_device_t* hwc_dev, int disp) |
| 55 | { |
| 56 | if (disp < 0 || disp >= MAX_DISPLAYS || !hwc_dev->displays[disp]) |
| 57 | return false; |
| 58 | |
| 59 | return true; |
| 60 | } |
| 61 | |
| 62 | struct drm_connector_type { |
| 63 | int type; |
| 64 | char name[64]; |
| 65 | }; |
| 66 | |
| 67 | #define CONNECTOR_TYPE_STR(type) { DRM_MODE_CONNECTOR_ ## type, #type } |
| 68 | |
| 69 | static const struct drm_connector_type connector_type_list[] = { |
| 70 | CONNECTOR_TYPE_STR(Unknown), |
| 71 | CONNECTOR_TYPE_STR(VGA), |
| 72 | CONNECTOR_TYPE_STR(DVII), |
| 73 | CONNECTOR_TYPE_STR(DVID), |
| 74 | CONNECTOR_TYPE_STR(DVIA), |
| 75 | CONNECTOR_TYPE_STR(Composite), |
| 76 | CONNECTOR_TYPE_STR(SVIDEO), |
| 77 | CONNECTOR_TYPE_STR(LVDS), |
| 78 | CONNECTOR_TYPE_STR(Component), |
| 79 | CONNECTOR_TYPE_STR(9PinDIN), |
| 80 | CONNECTOR_TYPE_STR(DisplayPort), |
| 81 | CONNECTOR_TYPE_STR(HDMIA), |
| 82 | CONNECTOR_TYPE_STR(HDMIB), |
| 83 | CONNECTOR_TYPE_STR(TV), |
| 84 | CONNECTOR_TYPE_STR(eDP), |
| 85 | CONNECTOR_TYPE_STR(VIRTUAL), |
| 86 | CONNECTOR_TYPE_STR(DSI), |
| 87 | CONNECTOR_TYPE_STR(DPI), |
| 88 | }; |
| 89 | |
| 90 | /* The connectors for primary and external displays can be controlled |
| 91 | * by the below system properties |
| 92 | * - ro.hwc.primary.conn |
| 93 | * - ro.hwc.external.conn |
| 94 | * If these are not set (default), `DRM_CONNECTOR_TYPE_Unknown` will be |
| 95 | * considered as primary display connector, and `DRM_CONNECTOR_TYPE_HDMIA` |
| 96 | * will be considered as secondary display. |
| 97 | * |
| 98 | * The values are <string> constants, with acceptable values being as defined |
| 99 | * by the DRM interface `DRM_CONNECTOR_TYPE_<string>`. |
| 100 | * |
| 101 | * If nothing is set, external is `HDMIA` connector. |
| 102 | */ |
| 103 | static int display_get_connector_type(int disp) |
| 104 | { |
| 105 | char prop_val[PROPERTY_VALUE_MAX]; |
| 106 | |
| 107 | if (disp == HWC_DISPLAY_PRIMARY) |
| 108 | property_get("ro.hwc.primary.conn", prop_val, ""); |
| 109 | else |
| 110 | property_get("ro.hwc.external.conn", prop_val, "HDMIA"); |
| 111 | |
| 112 | for (size_t i = 0; i < ARRAY_SIZE(connector_type_list); i++) { |
| 113 | if (!strncasecmp(prop_val, connector_type_list[i].name, 64)) |
| 114 | return connector_type_list[i].type; |
| 115 | } |
| 116 | |
| 117 | return -1; |
| 118 | } |
| 119 | |
| 120 | static void get_connectors(omap_hwc_device_t* hwc_dev) |
| 121 | { |
| 122 | int primary_connector_type = display_get_connector_type(HWC_DISPLAY_PRIMARY); |
| 123 | int external_connector_type = display_get_connector_type(HWC_DISPLAY_EXTERNAL); |
| 124 | |
| 125 | // Find primary connector |
| 126 | for (auto connector : hwc_dev->card->get_connectors()) { |
| 127 | if (primary_connector_type != -1) { |
| 128 | if (connector->connector_type() == (uint32_t)primary_connector_type) { |
| 129 | hwc_dev->primaryConector = connector; |
| 130 | break; |
| 131 | } |
| 132 | } else { |
| 133 | /* If connector type is not specified use the first |
| 134 | * connector that is not our HWC_DISPLAY_EXTERNAL connector |
| 135 | */ |
| 136 | if (connector->connector_type() != (uint32_t)external_connector_type) { |
| 137 | hwc_dev->primaryConector = connector; |
| 138 | break; |
| 139 | } |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | // Find external connector |
| 144 | for (auto connector : hwc_dev->card->get_connectors()) { |
| 145 | if (connector->connector_type() == (uint32_t)external_connector_type) { |
| 146 | hwc_dev->externalConector = connector; |
| 147 | break; |
| 148 | } |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | static int init_primary_display(omap_hwc_device_t* hwc_dev) |
| 153 | { |
| 154 | if (hwc_dev->displays[HWC_DISPLAY_PRIMARY]) { |
| 155 | ALOGE("Display %d is already connected", HWC_DISPLAY_PRIMARY); |
| 156 | return -EBUSY; |
| 157 | } |
| 158 | |
| 159 | kms::Connector* connector = hwc_dev->primaryConector; |
| 160 | |
| 161 | HWCDisplay* display = new HWCDisplay(DISP_ROLE_PRIMARY); |
| 162 | hwc_dev->displays[HWC_DISPLAY_PRIMARY] = display; |
| 163 | |
| 164 | if (!connector) { |
| 165 | ALOGW("No connector found for primary display"); |
| 166 | ALOGW("Using dummy primary display"); |
| 167 | |
| 168 | display->is_dummy = true; |
| 169 | |
| 170 | display_config_t config; |
| 171 | config.xres = LCD_DISPLAY_DEFAULT_HRES; |
| 172 | config.yres = LCD_DISPLAY_DEFAULT_VRES; |
| 173 | config.fps = LCD_DISPLAY_DEFAULT_FPS; |
| 174 | config.xdpi = LCD_DISPLAY_DEFAULT_DPI; |
| 175 | config.ydpi = LCD_DISPLAY_DEFAULT_DPI; |
| 176 | display->configs.push_back(config); |
| 177 | |
| 178 | return 0; |
| 179 | } |
| 180 | |
| 181 | /* Always use default mode for now */ |
| 182 | kms::Videomode mode = connector->get_default_mode(); |
| 183 | |
| 184 | display_config_t config; |
| 185 | config.xres = mode.hdisplay; |
| 186 | config.yres = mode.vdisplay; |
| 187 | config.fps = mode.vrefresh; |
| 188 | config.xdpi = LCD_DISPLAY_DEFAULT_DPI; |
| 189 | config.ydpi = LCD_DISPLAY_DEFAULT_DPI; |
| 190 | display->configs.push_back(config); |
| 191 | |
| 192 | display->disp_link.card = hwc_dev->card; |
| 193 | display->disp_link.con = connector; |
| 194 | display->disp_link.crtc = connector->get_current_crtc(); |
| 195 | // FIXME: user resource manager |
| 196 | if (!display->disp_link.crtc) |
| 197 | display->disp_link.crtc = connector->get_possible_crtcs()[0]; |
| 198 | display->disp_link.mode = mode; |
| 199 | |
| 200 | display->setup_composition_pipes(); |
| 201 | |
| 202 | return 0; |
| 203 | } |
| 204 | |
| 205 | static int add_external_hdmi_display(omap_hwc_device_t* hwc_dev) |
| 206 | { |
| 207 | if (hwc_dev->displays[HWC_DISPLAY_EXTERNAL]) { |
| 208 | ALOGE("Display %d is already connected", HWC_DISPLAY_EXTERNAL); |
| 209 | return 0; |
| 210 | } |
| 211 | |
| 212 | kms::Connector* connector = hwc_dev->externalConector; |
| 213 | |
| 214 | if (!connector) { |
| 215 | ALOGE("No connector for external display"); |
| 216 | return -1; |
| 217 | } |
| 218 | |
| 219 | /* wait until EDID read finishes */ |
| 220 | do { |
| 221 | connector->refresh(); |
| 222 | } while (connector->get_modes().size() == 0); |
| 223 | |
| 224 | // FIXME: Allow selecting other modes until HWC 1.4 support is added |
| 225 | kms::Videomode mode = connector->get_default_mode(); |
| 226 | |
| 227 | HWCDisplay* display = new HWCDisplay(DISP_ROLE_SECONDARY); |
| 228 | hwc_dev->displays[HWC_DISPLAY_EXTERNAL] = display; |
| 229 | |
| 230 | display_config_t config; |
| 231 | config.xres = mode.hdisplay; |
| 232 | config.yres = mode.vdisplay; |
| 233 | config.fps = mode.vrefresh; |
| 234 | config.xdpi = HDMI_DISPLAY_DEFAULT_DPI; |
| 235 | config.ydpi = HDMI_DISPLAY_DEFAULT_DPI; |
| 236 | display->configs.push_back(config); |
| 237 | |
| 238 | display->disp_link.card = hwc_dev->card; |
| 239 | display->disp_link.con = connector; |
| 240 | display->disp_link.crtc = connector->get_current_crtc(); |
| 241 | // FIXME: user resource manager |
| 242 | if (!display->disp_link.crtc) |
| 243 | display->disp_link.crtc = connector->get_possible_crtcs()[0]; |
| 244 | display->disp_link.mode = mode; |
| 245 | |
| 246 | display->setup_composition_pipes(); |
| 247 | |
| 248 | return 0; |
| 249 | } |
| 250 | |
| 251 | static void remove_external_hdmi_display(omap_hwc_device_t* hwc_dev) |
| 252 | { |
| 253 | HWCDisplay* display = hwc_dev->displays[HWC_DISPLAY_EXTERNAL]; |
| 254 | if (!display) { |
| 255 | ALOGW("Failed to remove non-existent display %d", HWC_DISPLAY_EXTERNAL); |
| 256 | return; |
| 257 | } |
| 258 | |
| 259 | delete hwc_dev->displays[HWC_DISPLAY_EXTERNAL]; |
| 260 | hwc_dev->displays[HWC_DISPLAY_EXTERNAL] = NULL; |
| 261 | } |
| 262 | |
| 263 | static void handle_hotplug(omap_hwc_device_t* hwc_dev, bool state) |
| 264 | { |
| 265 | if (state) { |
| 266 | int err = add_external_hdmi_display(hwc_dev); |
| 267 | if (err) { |
| 268 | remove_external_hdmi_display(hwc_dev); |
| 269 | return; |
| 270 | } |
| 271 | ALOGI("Added external display"); |
| 272 | } else { |
| 273 | remove_external_hdmi_display(hwc_dev); |
| 274 | ALOGI("Removed external display"); |
| 275 | } |
| 276 | } |
| 277 | |
| 278 | static int find_hdmi_connector_status(omap_hwc_device_t* hwc_dev) |
| 279 | { |
| 280 | auto connector = hwc_dev->externalConector; |
| 281 | if (!connector) |
| 282 | return false; |
| 283 | |
| 284 | bool old_state = connector->connected(); |
| 285 | connector->refresh(); |
| 286 | bool cur_state = connector->connected(); |
| 287 | |
| 288 | if (cur_state != old_state) |
| 289 | ALOGI("%s event for connector %u\n", |
| 290 | cur_state == DRM_MODE_CONNECTED ? "Plug" : "Unplug", |
| 291 | connector->id()); |
| 292 | |
| 293 | return cur_state == DRM_MODE_CONNECTED; |
| 294 | } |
| 295 | |
| 296 | static bool check_hotplug_status(omap_hwc_device_t* hwc_dev, bool old_state) |
| 297 | { |
| 298 | std::unique_lock<std::mutex> lock(hwc_dev->mutex); |
| 299 | |
| 300 | bool state = find_hdmi_connector_status(hwc_dev); |
| 301 | if (state != old_state) |
| 302 | handle_hotplug(hwc_dev, state); |
| 303 | |
| 304 | lock.unlock(); |
| 305 | |
| 306 | if (hwc_dev->cb_procs) { |
| 307 | if (hwc_dev->cb_procs->hotplug) |
| 308 | hwc_dev->cb_procs->hotplug(hwc_dev->cb_procs, HWC_DISPLAY_EXTERNAL, state); |
| 309 | if (hwc_dev->cb_procs->invalidate) |
| 310 | hwc_dev->cb_procs->invalidate(hwc_dev->cb_procs); |
| 311 | } |
| 312 | |
| 313 | return state; |
| 314 | } |
| 315 | |
| 316 | static void hwc_hdmi_thread(void* data) |
| 317 | { |
| 318 | omap_hwc_device_t* hwc_dev = (omap_hwc_device_t*)data; |
| 319 | |
| 320 | setpriority(PRIO_PROCESS, 0, HWC_PRIORITY_LOW_DISPLAY); |
| 321 | |
| 322 | uevent_init(); |
| 323 | |
| 324 | struct pollfd pfds[1] = { |
| 325 | { |
| 326 | pfds[0].fd = uevent_get_fd(), |
| 327 | pfds[0].events = POLLIN, |
| 328 | pfds[0].revents = 0, |
| 329 | } |
| 330 | }; |
| 331 | |
| 332 | const char* hdmi_uevent_path = "change@/devices/platform/omapdrm.0/drm/card0"; |
| 333 | static char uevent_desc[4096]; |
| 334 | memset(uevent_desc, 0, sizeof(uevent_desc)); |
| 335 | |
| 336 | /* Check outside of uevent loop in-case already plugged in */ |
| 337 | bool state = check_hotplug_status(hwc_dev, false); |
| 338 | |
| 339 | while (true) { |
| 340 | int err = poll(pfds, ARRAY_SIZE(pfds), -1); |
| 341 | if (err < 0) { |
| 342 | ALOGE("received hdmi_thread poll() error event %d", err); |
| 343 | break; |
| 344 | } |
| 345 | |
| 346 | if (pfds[0].revents & POLLIN) { |
| 347 | /* keep last 2 zeroes to ensure double 0 termination */ |
| 348 | uevent_next_event(uevent_desc, sizeof(uevent_desc) - 2); |
| 349 | if (strlen(hdmi_uevent_path) <= 0 || strcmp(uevent_desc, hdmi_uevent_path)) |
| 350 | continue; /* event not for us */ |
| 351 | |
| 352 | state = check_hotplug_status(hwc_dev, state); |
| 353 | } |
| 354 | } |
| 355 | |
| 356 | ALOGE("HDMI polling thread exiting\n"); |
| 357 | } |
| 358 | |
| 359 | /* |
| 360 | * DRM event polling thread |
| 361 | * We poll for DRM events in this thread. DRM events can be vblank and/or |
| 362 | * page-flip events both occurring on Vsync. |
| 363 | */ |
| 364 | static void hwc_drm_event_thread(void* data) |
| 365 | { |
| 366 | omap_hwc_device_t* hwc_dev = (omap_hwc_device_t*)data; |
| 367 | |
| 368 | setpriority(PRIO_PROCESS, 0, HAL_PRIORITY_URGENT_DISPLAY); |
| 369 | |
| 370 | struct pollfd pfds = { |
| 371 | pfds.fd = hwc_dev->card->fd(), |
| 372 | pfds.events = POLLIN, |
| 373 | pfds.revents = 0, |
| 374 | }; |
| 375 | |
| 376 | drmEventContext evctx = { |
| 377 | evctx.version = 2, |
| 378 | evctx.vblank_handler = HWCDisplay::vblank_handler, |
| 379 | evctx.page_flip_handler = HWCDisplay::page_flip_handler, |
| 380 | }; |
| 381 | |
| 382 | while (true) { |
| 383 | int ret = poll(&pfds, 1, 60000); |
| 384 | if (ret < 0) { |
| 385 | ALOGE("Event poll error %d", errno); |
| 386 | break; |
| 387 | } else if (ret == 0) { |
| 388 | ALOGI("Event poll timeout"); |
| 389 | continue; |
| 390 | } |
| 391 | if (pfds.revents & POLLIN) |
| 392 | drmHandleEvent(pfds.fd, &evctx); |
| 393 | } |
| 394 | |
| 395 | ALOGE("DRM event polling thread exiting\n"); |
| 396 | } |
| 397 | |
Andrew F. Davis | 44ab9ee | 2019-02-21 01:36:29 +0000 | [diff] [blame] | 398 | static void adjust_drm_plane_to_layer(hwc_layer_1_t* layer, drm_plane_props_t* plane) |
Andrew F. Davis | 8eaa2bf | 2018-07-24 08:20:35 -0500 | [diff] [blame] | 399 | { |
| 400 | if (!layer || !plane) { |
| 401 | ALOGE("Bad layer or plane"); |
| 402 | return; |
| 403 | } |
| 404 | |
| 405 | /* display position */ |
| 406 | plane->crtc_x = layer->displayFrame.left; |
| 407 | plane->crtc_y = layer->displayFrame.top; |
| 408 | plane->crtc_w = WIDTH(layer->displayFrame); |
| 409 | plane->crtc_h = HEIGHT(layer->displayFrame); |
| 410 | |
| 411 | /* crop */ |
| 412 | plane->src_x = layer->sourceCrop.left; |
| 413 | plane->src_y = layer->sourceCrop.top; |
| 414 | plane->src_w = WIDTH(layer->sourceCrop); |
| 415 | plane->src_h = HEIGHT(layer->sourceCrop); |
| 416 | |
Andrew F. Davis | 8eaa2bf | 2018-07-24 08:20:35 -0500 | [diff] [blame] | 417 | plane->layer = layer; |
Andrew F. Davis | 8eaa2bf | 2018-07-24 08:20:35 -0500 | [diff] [blame] | 418 | } |
| 419 | |
| 420 | static int hwc_prepare_for_display(omap_hwc_device_t* hwc_dev, int disp, hwc_display_contents_1_t* content) |
| 421 | { |
| 422 | if (!is_valid_display(hwc_dev, disp)) |
| 423 | return -ENODEV; |
| 424 | |
| 425 | HWCDisplay* display = hwc_dev->displays[disp]; |
| 426 | |
| 427 | if (display->is_dummy) { |
| 428 | for (size_t i = 0; i < content->numHwLayers - 1; i++) { |
| 429 | hwc_layer_1_t* layer = &content->hwLayers[i]; |
| 430 | layer->compositionType = HWC_OVERLAY; |
| 431 | } |
| 432 | return 0; |
| 433 | } |
| 434 | |
| 435 | /* Set the FB_TARGET layer */ |
Andrew F. Davis | 44ab9ee | 2019-02-21 01:36:29 +0000 | [diff] [blame] | 436 | adjust_drm_plane_to_layer(&content->hwLayers[content->numHwLayers - 1], &display->planeProps[disp]); |
Andrew F. Davis | 8eaa2bf | 2018-07-24 08:20:35 -0500 | [diff] [blame] | 437 | |
| 438 | return 0; |
| 439 | } |
| 440 | |
| 441 | static int hwc_prepare(struct hwc_composer_device_1* dev, size_t numDisplays, hwc_display_contents_1_t** displays) |
| 442 | { |
| 443 | atrace_begin(ATRACE_TAG_HAL, "am57xx_hwc_prepare"); |
| 444 | if (!numDisplays || !displays) |
| 445 | return 0; |
| 446 | |
| 447 | omap_hwc_device_t* hwc_dev = (omap_hwc_device_t*)dev; |
| 448 | std::unique_lock<std::mutex> lock(hwc_dev->mutex); |
| 449 | |
| 450 | int err = 0; |
| 451 | |
| 452 | for (size_t i = 0; i < numDisplays; i++) { |
| 453 | hwc_display_contents_1_t* contents = displays[i]; |
| 454 | |
| 455 | if (!contents) |
| 456 | continue; |
| 457 | |
| 458 | if (contents->numHwLayers == 0) { |
Alistair Strachan | a44c2af | 2018-10-17 14:48:21 -0700 | [diff] [blame] | 459 | ALOGW("Prepare given no content for display %zu", i); |
Andrew F. Davis | 8eaa2bf | 2018-07-24 08:20:35 -0500 | [diff] [blame] | 460 | continue; |
| 461 | } |
| 462 | |
| 463 | int disp_err = hwc_prepare_for_display(hwc_dev, i, contents); |
| 464 | if (!err && disp_err) |
| 465 | err = disp_err; |
| 466 | } |
| 467 | |
| 468 | atrace_end(ATRACE_TAG_HAL); |
| 469 | return err; |
| 470 | } |
| 471 | |
| 472 | static int hwc_set_for_display(omap_hwc_device_t* hwc_dev, int disp, hwc_display_contents_1_t* content) |
| 473 | { |
| 474 | if (!is_valid_display(hwc_dev, disp)) |
| 475 | return -ENODEV; |
| 476 | |
| 477 | HWCDisplay* display = hwc_dev->displays[disp]; |
| 478 | drm_plane_props_t* planeProp = &display->planeProps[disp]; |
| 479 | |
| 480 | int err = 0; |
| 481 | |
| 482 | /* |
| 483 | * clear release and retire fence fd's here in case we do |
| 484 | * not set them in update_display() |
| 485 | */ |
| 486 | for (size_t i = 0; i < content->numHwLayers; i++) { |
| 487 | hwc_layer_1_t* layer = &content->hwLayers[i]; |
| 488 | layer->releaseFenceFd = -1; |
| 489 | } |
| 490 | content->retireFenceFd = -1; |
| 491 | |
| 492 | if (!display->is_dummy) { |
| 493 | err = display->update_display(planeProp); |
| 494 | if (err) |
| 495 | ALOGE("Failed to update display %d\n", disp); |
| 496 | } |
| 497 | |
| 498 | /* clear any remaining acquire fences */ |
| 499 | for (size_t i = 0; i < content->numHwLayers; i++) { |
| 500 | hwc_layer_1_t* layer = &content->hwLayers[i]; |
| 501 | if (layer->acquireFenceFd >= 0) { |
| 502 | close(layer->acquireFenceFd); |
| 503 | layer->acquireFenceFd = -1; |
| 504 | } |
| 505 | } |
| 506 | |
| 507 | return err; |
| 508 | } |
| 509 | |
| 510 | static int hwc_set(struct hwc_composer_device_1* dev, size_t numDisplays, hwc_display_contents_1_t** displays) |
| 511 | { |
| 512 | atrace_begin(ATRACE_TAG_HAL, "am57xx_hwc_set"); |
| 513 | if (!numDisplays || !displays) |
| 514 | return 0; |
| 515 | |
| 516 | omap_hwc_device_t* hwc_dev = (omap_hwc_device_t*)dev; |
| 517 | std::unique_lock<std::mutex> lock(hwc_dev->mutex); |
| 518 | |
| 519 | int err = 0; |
| 520 | |
| 521 | for (size_t i = 0; i < numDisplays; i++) { |
| 522 | hwc_display_contents_1_t* contents = displays[i]; |
| 523 | |
| 524 | if (!contents) |
| 525 | continue; |
| 526 | |
| 527 | if (contents->numHwLayers == 0) { |
Alistair Strachan | a44c2af | 2018-10-17 14:48:21 -0700 | [diff] [blame] | 528 | ALOGE("Set given no content for display %zu", i); |
Andrew F. Davis | 8eaa2bf | 2018-07-24 08:20:35 -0500 | [diff] [blame] | 529 | continue; |
| 530 | } |
| 531 | |
| 532 | int disp_err = hwc_set_for_display(hwc_dev, i, contents); |
| 533 | if (!err && disp_err) |
| 534 | err = disp_err; |
| 535 | } |
| 536 | |
| 537 | atrace_end(ATRACE_TAG_HAL); |
| 538 | return err; |
| 539 | } |
| 540 | |
| 541 | static int hwc_eventControl(struct hwc_composer_device_1* dev, int disp, int event, int enabled) |
| 542 | { |
| 543 | omap_hwc_device_t* hwc_dev = (omap_hwc_device_t*)dev; |
| 544 | std::unique_lock<std::mutex> lock(hwc_dev->mutex); |
| 545 | |
| 546 | if (!is_valid_display(hwc_dev, disp)) |
| 547 | return -EINVAL; |
| 548 | |
| 549 | switch (event) { |
| 550 | case HWC_EVENT_VSYNC: |
| 551 | // FIXME: This is a hack |
| 552 | hwc_dev->displays[disp]->cb_procs = hwc_dev->cb_procs; |
| 553 | |
| 554 | ALOGD("%s vsync for display %d", enabled ? "Enabling" : "Disabling", disp); |
| 555 | return hwc_dev->displays[disp]->set_vsync_state(enabled); |
| 556 | |
| 557 | default: |
| 558 | return -EINVAL; |
| 559 | } |
| 560 | |
| 561 | return 0; |
| 562 | } |
| 563 | |
| 564 | static int hwc_blank(struct hwc_composer_device_1* dev, int disp, int blank) |
| 565 | { |
| 566 | omap_hwc_device_t* hwc_dev = (omap_hwc_device_t*)dev; |
| 567 | std::unique_lock<std::mutex> lock(hwc_dev->mutex); |
| 568 | |
| 569 | ALOGD("%s display %d", blank ? "Blanking" : "Unblanking", disp); |
| 570 | |
| 571 | if (!is_valid_display(hwc_dev, disp)) |
| 572 | return -EINVAL; |
| 573 | |
| 574 | hwc_dev->displays[disp]->blank(blank); |
| 575 | |
| 576 | return 0; |
| 577 | } |
| 578 | |
| 579 | static int hwc_query(struct hwc_composer_device_1* dev, int what, int* value) |
| 580 | { |
| 581 | omap_hwc_device_t* hwc_dev = (omap_hwc_device_t*)dev; |
| 582 | std::unique_lock<std::mutex> lock(hwc_dev->mutex); |
| 583 | |
| 584 | switch (what) { |
| 585 | case HWC_BACKGROUND_LAYER_SUPPORTED: |
| 586 | // we don't support the background layer yet |
| 587 | value[0] = 0; |
| 588 | break; |
| 589 | case HWC_VSYNC_PERIOD: |
| 590 | ALOGW("Query for deprecated vsync value, returning 60Hz"); |
| 591 | *value = 1000 * 1000 * 1000 / 60; |
| 592 | break; |
| 593 | case HWC_DISPLAY_TYPES_SUPPORTED: |
| 594 | *value = HWC_DISPLAY_PRIMARY_BIT | HWC_DISPLAY_EXTERNAL_BIT; |
| 595 | break; |
| 596 | default: |
| 597 | // unsupported query |
| 598 | return -EINVAL; |
| 599 | } |
| 600 | |
| 601 | return 0; |
| 602 | } |
| 603 | |
| 604 | static void hwc_registerProcs(struct hwc_composer_device_1* dev, hwc_procs_t const* procs) |
| 605 | { |
| 606 | omap_hwc_device_t* hwc_dev = (omap_hwc_device_t*)dev; |
| 607 | std::unique_lock<std::mutex> lock(hwc_dev->mutex); |
| 608 | |
| 609 | hwc_dev->cb_procs = (typeof(hwc_dev->cb_procs))procs; |
| 610 | |
| 611 | /* now that cb_procs->hotplug is valid */ |
| 612 | try { |
| 613 | hwc_dev->hdmi_thread = new std::thread(hwc_hdmi_thread, hwc_dev); |
| 614 | } catch (...) { |
| 615 | ALOGE("Failed to create HDMI listening thread (%s)", strerror(errno)); |
| 616 | } |
| 617 | } |
| 618 | |
| 619 | static int hwc_getDisplayConfigs(struct hwc_composer_device_1* dev, int disp, uint32_t* configs, size_t* numConfigs) |
| 620 | { |
| 621 | omap_hwc_device_t* hwc_dev = (omap_hwc_device_t*)dev; |
| 622 | std::unique_lock<std::mutex> lock(hwc_dev->mutex); |
| 623 | |
| 624 | if (!is_valid_display(hwc_dev, disp)) |
| 625 | return -EINVAL; |
| 626 | |
| 627 | HWCDisplay* display = hwc_dev->displays[disp]; |
| 628 | |
| 629 | return display->get_display_configs(configs, numConfigs); |
| 630 | } |
| 631 | |
| 632 | static int hwc_getDisplayAttributes(struct hwc_composer_device_1* dev, int disp, uint32_t config, const uint32_t* attributes, int32_t* values) |
| 633 | { |
| 634 | omap_hwc_device_t* hwc_dev = (omap_hwc_device_t*)dev; |
| 635 | std::unique_lock<std::mutex> lock(hwc_dev->mutex); |
| 636 | |
| 637 | if (!is_valid_display(hwc_dev, disp)) |
| 638 | return -EINVAL; |
| 639 | |
| 640 | HWCDisplay* display = hwc_dev->displays[disp]; |
| 641 | |
| 642 | return display->get_display_attributes(config, attributes, values); |
| 643 | } |
| 644 | |
| 645 | static int hwc_device_close(hw_device_t* device) |
| 646 | { |
| 647 | omap_hwc_device_t* hwc_dev = (omap_hwc_device_t*)device; |
| 648 | |
| 649 | if (hwc_dev) { |
| 650 | if (hwc_dev->event_thread) |
| 651 | delete hwc_dev->event_thread; |
| 652 | |
| 653 | for (size_t i = 0; i < MAX_DISPLAYS; i++) |
| 654 | delete hwc_dev->displays[i]; |
| 655 | |
| 656 | delete hwc_dev; |
| 657 | } |
| 658 | |
| 659 | return 0; |
| 660 | } |
| 661 | |
| 662 | static int hwc_device_open(const hw_module_t* module, const char* name, hw_device_t** device) |
| 663 | { |
| 664 | if (strcmp(name, HWC_HARDWARE_COMPOSER)) |
| 665 | return -EINVAL; |
| 666 | |
| 667 | omap_hwc_device_t* hwc_dev = new omap_hwc_device_t; |
| 668 | memset(hwc_dev, 0, sizeof(*hwc_dev)); |
| 669 | |
| 670 | /* Open DRM device */ |
| 671 | hwc_dev->card = new kms::Card(); |
| 672 | |
| 673 | /* Find primary and external connectors */ |
| 674 | get_connectors(hwc_dev); |
| 675 | |
| 676 | int ret = init_primary_display(hwc_dev); |
| 677 | if (ret) { |
| 678 | ALOGE("Could not initialize primary display"); |
| 679 | return -1; |
| 680 | } |
| 681 | |
| 682 | hwc_dev->event_thread = new std::thread(hwc_drm_event_thread, hwc_dev); |
| 683 | |
| 684 | hwc_dev->device.common.tag = HARDWARE_DEVICE_TAG; |
| 685 | hwc_dev->device.common.version = HWC_DEVICE_API_VERSION_1_1; |
| 686 | hwc_dev->device.common.module = (hw_module_t*)module; |
| 687 | hwc_dev->device.common.close = hwc_device_close; |
| 688 | hwc_dev->device.prepare = hwc_prepare; |
| 689 | hwc_dev->device.set = hwc_set; |
| 690 | hwc_dev->device.eventControl = hwc_eventControl; |
| 691 | hwc_dev->device.blank = hwc_blank; |
| 692 | hwc_dev->device.query = hwc_query; |
| 693 | hwc_dev->device.registerProcs = hwc_registerProcs; |
| 694 | hwc_dev->device.getDisplayConfigs = hwc_getDisplayConfigs; |
| 695 | hwc_dev->device.getDisplayAttributes = hwc_getDisplayAttributes; |
| 696 | |
| 697 | *device = &hwc_dev->device.common; |
| 698 | |
| 699 | return 0; |
| 700 | } |
| 701 | |
| 702 | static struct hw_module_methods_t module_methods = { |
| 703 | .open = hwc_device_open, |
| 704 | }; |
| 705 | |
| 706 | omap_hwc_module_t HAL_MODULE_INFO_SYM = { |
| 707 | .base = { |
| 708 | .common = { |
| 709 | .tag = HARDWARE_MODULE_TAG, |
| 710 | .module_api_version = HWC_MODULE_API_VERSION_0_1, |
| 711 | .hal_api_version = HARDWARE_HAL_API_VERSION, |
| 712 | .id = HWC_HARDWARE_MODULE_ID, |
| 713 | .name = "AM57xx Hardware Composer HAL", |
| 714 | .author = "Texas Instruments", |
| 715 | .methods = &module_methods, |
| 716 | }, |
| 717 | }, |
| 718 | }; |