| /* |
| * Copyright (C) Texas Instruments Incorporated - http://www.ti.com/ |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <sstream> |
| |
| #include <cutils/trace.h> |
| #include <fcntl.h> |
| #include <poll.h> |
| #include <sys/ioctl.h> |
| #include <sys/resource.h> |
| |
| #include <log/log.h> |
| #include <cutils/properties.h> |
| #define HWC_REMOVE_DEPRECATED_VERSIONS 1 |
| #include <hardware/hardware.h> |
| #include <hardware/hwcomposer.h> |
| #include <hardware_legacy/uevent.h> |
| |
| #include <kms++/kms++.h> |
| |
| #include "display.h" |
| #include "format.h" |
| #include "hwc_dev.h" |
| |
| #define LCD_DISPLAY_DEFAULT_HRES 1920 |
| #define LCD_DISPLAY_DEFAULT_VRES 1080 |
| #define LCD_DISPLAY_DEFAULT_FPS 60 |
| |
| #define LCD_DISPLAY_DEFAULT_DPI 120 |
| #define HDMI_DISPLAY_DEFAULT_DPI 75 |
| |
| #define HWC_PRIORITY_LOW_DISPLAY (19) |
| |
| #ifndef ARRAY_SIZE |
| #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) |
| #endif |
| |
| #define WIDTH(rect) ((rect).right - (rect).left) |
| #define HEIGHT(rect) ((rect).bottom - (rect).top) |
| |
| static bool is_valid_display(omap_hwc_device_t* hwc_dev, int disp) |
| { |
| if (disp < 0 || disp >= MAX_DISPLAYS || !hwc_dev->displays[disp]) |
| return false; |
| |
| return true; |
| } |
| |
| struct drm_connector_type { |
| int type; |
| char name[64]; |
| }; |
| |
| #define CONNECTOR_TYPE_STR(type) { DRM_MODE_CONNECTOR_ ## type, #type } |
| |
| static const struct drm_connector_type connector_type_list[] = { |
| CONNECTOR_TYPE_STR(Unknown), |
| CONNECTOR_TYPE_STR(VGA), |
| CONNECTOR_TYPE_STR(DVII), |
| CONNECTOR_TYPE_STR(DVID), |
| CONNECTOR_TYPE_STR(DVIA), |
| CONNECTOR_TYPE_STR(Composite), |
| CONNECTOR_TYPE_STR(SVIDEO), |
| CONNECTOR_TYPE_STR(LVDS), |
| CONNECTOR_TYPE_STR(Component), |
| CONNECTOR_TYPE_STR(9PinDIN), |
| CONNECTOR_TYPE_STR(DisplayPort), |
| CONNECTOR_TYPE_STR(HDMIA), |
| CONNECTOR_TYPE_STR(HDMIB), |
| CONNECTOR_TYPE_STR(TV), |
| CONNECTOR_TYPE_STR(eDP), |
| CONNECTOR_TYPE_STR(VIRTUAL), |
| CONNECTOR_TYPE_STR(DSI), |
| CONNECTOR_TYPE_STR(DPI), |
| }; |
| |
| /* The connectors for primary and external displays can be controlled |
| * by the below system properties |
| * - ro.hwc.primary.conn |
| * - ro.hwc.external.conn |
| * If these are not set (default), `DRM_CONNECTOR_TYPE_Unknown` will be |
| * considered as primary display connector, and `DRM_CONNECTOR_TYPE_HDMIA` |
| * will be considered as secondary display. |
| * |
| * The values are <string> constants, with acceptable values being as defined |
| * by the DRM interface `DRM_CONNECTOR_TYPE_<string>`. |
| * |
| * If nothing is set, external is `HDMIA` connector. |
| */ |
| static int display_get_connector_type(int disp) |
| { |
| char prop_val[PROPERTY_VALUE_MAX]; |
| |
| if (disp == HWC_DISPLAY_PRIMARY) |
| property_get("ro.hwc.primary.conn", prop_val, ""); |
| else |
| property_get("ro.hwc.external.conn", prop_val, "HDMIA"); |
| |
| for (size_t i = 0; i < ARRAY_SIZE(connector_type_list); i++) { |
| if (!strncasecmp(prop_val, connector_type_list[i].name, 64)) |
| return connector_type_list[i].type; |
| } |
| |
| return -1; |
| } |
| |
| static void get_connectors(omap_hwc_device_t* hwc_dev) |
| { |
| int primary_connector_type = display_get_connector_type(HWC_DISPLAY_PRIMARY); |
| int external_connector_type = display_get_connector_type(HWC_DISPLAY_EXTERNAL); |
| |
| // Find primary connector |
| for (auto connector : hwc_dev->card->get_connectors()) { |
| if (primary_connector_type != -1) { |
| if (connector->connector_type() == (uint32_t)primary_connector_type) { |
| hwc_dev->primaryConector = connector; |
| break; |
| } |
| } else { |
| /* If connector type is not specified use the first |
| * connector that is not our HWC_DISPLAY_EXTERNAL connector |
| */ |
| if (connector->connector_type() != (uint32_t)external_connector_type) { |
| hwc_dev->primaryConector = connector; |
| break; |
| } |
| } |
| } |
| |
| // Find external connector |
| for (auto connector : hwc_dev->card->get_connectors()) { |
| if (connector->connector_type() == (uint32_t)external_connector_type) { |
| hwc_dev->externalConector = connector; |
| break; |
| } |
| } |
| } |
| |
| static int init_primary_display(omap_hwc_device_t* hwc_dev) |
| { |
| if (hwc_dev->displays[HWC_DISPLAY_PRIMARY]) { |
| ALOGE("Display %d is already connected", HWC_DISPLAY_PRIMARY); |
| return -EBUSY; |
| } |
| |
| kms::Connector* connector = hwc_dev->primaryConector; |
| |
| HWCDisplay* display = new HWCDisplay(DISP_ROLE_PRIMARY); |
| hwc_dev->displays[HWC_DISPLAY_PRIMARY] = display; |
| |
| if (!connector) { |
| ALOGW("No connector found for primary display"); |
| ALOGW("Using dummy primary display"); |
| |
| display->is_dummy = true; |
| |
| display_config_t config; |
| config.xres = LCD_DISPLAY_DEFAULT_HRES; |
| config.yres = LCD_DISPLAY_DEFAULT_VRES; |
| config.fps = LCD_DISPLAY_DEFAULT_FPS; |
| config.xdpi = LCD_DISPLAY_DEFAULT_DPI; |
| config.ydpi = LCD_DISPLAY_DEFAULT_DPI; |
| display->configs.push_back(config); |
| |
| return 0; |
| } |
| |
| /* Always use default mode for now */ |
| kms::Videomode mode = connector->get_default_mode(); |
| |
| display_config_t config; |
| config.xres = mode.hdisplay; |
| config.yres = mode.vdisplay; |
| config.fps = mode.vrefresh; |
| config.xdpi = LCD_DISPLAY_DEFAULT_DPI; |
| config.ydpi = LCD_DISPLAY_DEFAULT_DPI; |
| display->configs.push_back(config); |
| |
| display->disp_link.card = hwc_dev->card; |
| display->disp_link.con = connector; |
| display->disp_link.crtc = connector->get_current_crtc(); |
| // FIXME: user resource manager |
| if (!display->disp_link.crtc) |
| display->disp_link.crtc = connector->get_possible_crtcs()[0]; |
| display->disp_link.mode = mode; |
| |
| display->setup_composition_pipes(); |
| |
| return 0; |
| } |
| |
| static int add_external_hdmi_display(omap_hwc_device_t* hwc_dev) |
| { |
| if (hwc_dev->displays[HWC_DISPLAY_EXTERNAL]) { |
| ALOGE("Display %d is already connected", HWC_DISPLAY_EXTERNAL); |
| return 0; |
| } |
| |
| kms::Connector* connector = hwc_dev->externalConector; |
| |
| if (!connector) { |
| ALOGE("No connector for external display"); |
| return -1; |
| } |
| |
| /* wait until EDID read finishes */ |
| do { |
| connector->refresh(); |
| } while (connector->get_modes().size() == 0); |
| |
| // FIXME: Allow selecting other modes until HWC 1.4 support is added |
| kms::Videomode mode = connector->get_default_mode(); |
| |
| HWCDisplay* display = new HWCDisplay(DISP_ROLE_SECONDARY); |
| hwc_dev->displays[HWC_DISPLAY_EXTERNAL] = display; |
| |
| display_config_t config; |
| config.xres = mode.hdisplay; |
| config.yres = mode.vdisplay; |
| config.fps = mode.vrefresh; |
| config.xdpi = HDMI_DISPLAY_DEFAULT_DPI; |
| config.ydpi = HDMI_DISPLAY_DEFAULT_DPI; |
| display->configs.push_back(config); |
| |
| display->disp_link.card = hwc_dev->card; |
| display->disp_link.con = connector; |
| display->disp_link.crtc = connector->get_current_crtc(); |
| // FIXME: user resource manager |
| if (!display->disp_link.crtc) |
| display->disp_link.crtc = connector->get_possible_crtcs()[0]; |
| display->disp_link.mode = mode; |
| |
| display->setup_composition_pipes(); |
| |
| return 0; |
| } |
| |
| static void remove_external_hdmi_display(omap_hwc_device_t* hwc_dev) |
| { |
| HWCDisplay* display = hwc_dev->displays[HWC_DISPLAY_EXTERNAL]; |
| if (!display) { |
| ALOGW("Failed to remove non-existent display %d", HWC_DISPLAY_EXTERNAL); |
| return; |
| } |
| |
| delete hwc_dev->displays[HWC_DISPLAY_EXTERNAL]; |
| hwc_dev->displays[HWC_DISPLAY_EXTERNAL] = NULL; |
| } |
| |
| static void handle_hotplug(omap_hwc_device_t* hwc_dev, bool state) |
| { |
| if (state) { |
| int err = add_external_hdmi_display(hwc_dev); |
| if (err) { |
| remove_external_hdmi_display(hwc_dev); |
| return; |
| } |
| ALOGI("Added external display"); |
| } else { |
| remove_external_hdmi_display(hwc_dev); |
| ALOGI("Removed external display"); |
| } |
| } |
| |
| static int find_hdmi_connector_status(omap_hwc_device_t* hwc_dev) |
| { |
| auto connector = hwc_dev->externalConector; |
| if (!connector) |
| return false; |
| |
| bool old_state = connector->connected(); |
| connector->refresh(); |
| bool cur_state = connector->connected(); |
| |
| if (cur_state != old_state) |
| ALOGI("%s event for connector %u\n", |
| cur_state == DRM_MODE_CONNECTED ? "Plug" : "Unplug", |
| connector->id()); |
| |
| return cur_state == DRM_MODE_CONNECTED; |
| } |
| |
| static bool check_hotplug_status(omap_hwc_device_t* hwc_dev, bool old_state) |
| { |
| std::unique_lock<std::mutex> lock(hwc_dev->mutex); |
| |
| bool state = find_hdmi_connector_status(hwc_dev); |
| if (state != old_state) |
| handle_hotplug(hwc_dev, state); |
| |
| lock.unlock(); |
| |
| if (hwc_dev->cb_procs) { |
| if (hwc_dev->cb_procs->hotplug) |
| hwc_dev->cb_procs->hotplug(hwc_dev->cb_procs, HWC_DISPLAY_EXTERNAL, state); |
| if (hwc_dev->cb_procs->invalidate) |
| hwc_dev->cb_procs->invalidate(hwc_dev->cb_procs); |
| } |
| |
| return state; |
| } |
| |
| static void hwc_hdmi_thread(void* data) |
| { |
| omap_hwc_device_t* hwc_dev = (omap_hwc_device_t*)data; |
| |
| setpriority(PRIO_PROCESS, 0, HWC_PRIORITY_LOW_DISPLAY); |
| |
| uevent_init(); |
| |
| struct pollfd pfds[1] = { |
| { |
| pfds[0].fd = uevent_get_fd(), |
| pfds[0].events = POLLIN, |
| pfds[0].revents = 0, |
| } |
| }; |
| |
| const char* hdmi_uevent_path = "change@/devices/platform/omapdrm.0/drm/card0"; |
| static char uevent_desc[4096]; |
| memset(uevent_desc, 0, sizeof(uevent_desc)); |
| |
| /* Check outside of uevent loop in-case already plugged in */ |
| bool state = check_hotplug_status(hwc_dev, false); |
| |
| while (true) { |
| int err = poll(pfds, ARRAY_SIZE(pfds), -1); |
| if (err < 0) { |
| ALOGE("received hdmi_thread poll() error event %d", err); |
| break; |
| } |
| |
| if (pfds[0].revents & POLLIN) { |
| /* keep last 2 zeroes to ensure double 0 termination */ |
| uevent_next_event(uevent_desc, sizeof(uevent_desc) - 2); |
| if (strlen(hdmi_uevent_path) <= 0 || strcmp(uevent_desc, hdmi_uevent_path)) |
| continue; /* event not for us */ |
| |
| state = check_hotplug_status(hwc_dev, state); |
| } |
| } |
| |
| ALOGE("HDMI polling thread exiting\n"); |
| } |
| |
| /* |
| * DRM event polling thread |
| * We poll for DRM events in this thread. DRM events can be vblank and/or |
| * page-flip events both occurring on Vsync. |
| */ |
| static void hwc_drm_event_thread(void* data) |
| { |
| omap_hwc_device_t* hwc_dev = (omap_hwc_device_t*)data; |
| |
| setpriority(PRIO_PROCESS, 0, HAL_PRIORITY_URGENT_DISPLAY); |
| |
| struct pollfd pfds = { |
| pfds.fd = hwc_dev->card->fd(), |
| pfds.events = POLLIN, |
| pfds.revents = 0, |
| }; |
| |
| drmEventContext evctx = { |
| evctx.version = 2, |
| evctx.vblank_handler = HWCDisplay::vblank_handler, |
| evctx.page_flip_handler = HWCDisplay::page_flip_handler, |
| }; |
| |
| while (true) { |
| int ret = poll(&pfds, 1, 60000); |
| if (ret < 0) { |
| ALOGE("Event poll error %d", errno); |
| break; |
| } else if (ret == 0) { |
| ALOGI("Event poll timeout"); |
| continue; |
| } |
| if (pfds.revents & POLLIN) |
| drmHandleEvent(pfds.fd, &evctx); |
| } |
| |
| ALOGE("DRM event polling thread exiting\n"); |
| } |
| |
| static void adjust_drm_plane_to_layer(hwc_layer_1_t* layer, drm_plane_props_t* plane) |
| { |
| if (!layer || !plane) { |
| ALOGE("Bad layer or plane"); |
| return; |
| } |
| |
| /* display position */ |
| plane->crtc_x = layer->displayFrame.left; |
| plane->crtc_y = layer->displayFrame.top; |
| plane->crtc_w = WIDTH(layer->displayFrame); |
| plane->crtc_h = HEIGHT(layer->displayFrame); |
| |
| /* crop */ |
| plane->src_x = layer->sourceCrop.left; |
| plane->src_y = layer->sourceCrop.top; |
| plane->src_w = WIDTH(layer->sourceCrop); |
| plane->src_h = HEIGHT(layer->sourceCrop); |
| |
| plane->layer = layer; |
| } |
| |
| static int hwc_prepare_for_display(omap_hwc_device_t* hwc_dev, int disp, hwc_display_contents_1_t* content) |
| { |
| if (!is_valid_display(hwc_dev, disp)) |
| return -ENODEV; |
| |
| HWCDisplay* display = hwc_dev->displays[disp]; |
| |
| if (display->is_dummy) { |
| for (size_t i = 0; i < content->numHwLayers - 1; i++) { |
| hwc_layer_1_t* layer = &content->hwLayers[i]; |
| layer->compositionType = HWC_OVERLAY; |
| } |
| return 0; |
| } |
| |
| /* Set the FB_TARGET layer */ |
| adjust_drm_plane_to_layer(&content->hwLayers[content->numHwLayers - 1], &display->planeProps[disp]); |
| |
| return 0; |
| } |
| |
| static int hwc_prepare(struct hwc_composer_device_1* dev, size_t numDisplays, hwc_display_contents_1_t** displays) |
| { |
| atrace_begin(ATRACE_TAG_HAL, "am57xx_hwc_prepare"); |
| if (!numDisplays || !displays) |
| return 0; |
| |
| omap_hwc_device_t* hwc_dev = (omap_hwc_device_t*)dev; |
| std::unique_lock<std::mutex> lock(hwc_dev->mutex); |
| |
| int err = 0; |
| |
| for (size_t i = 0; i < numDisplays; i++) { |
| hwc_display_contents_1_t* contents = displays[i]; |
| |
| if (!contents) |
| continue; |
| |
| if (contents->numHwLayers == 0) { |
| ALOGW("Prepare given no content for display %zu", i); |
| continue; |
| } |
| |
| int disp_err = hwc_prepare_for_display(hwc_dev, i, contents); |
| if (!err && disp_err) |
| err = disp_err; |
| } |
| |
| atrace_end(ATRACE_TAG_HAL); |
| return err; |
| } |
| |
| static int hwc_set_for_display(omap_hwc_device_t* hwc_dev, int disp, hwc_display_contents_1_t* content) |
| { |
| if (!is_valid_display(hwc_dev, disp)) |
| return -ENODEV; |
| |
| HWCDisplay* display = hwc_dev->displays[disp]; |
| drm_plane_props_t* planeProp = &display->planeProps[disp]; |
| |
| int err = 0; |
| |
| /* |
| * clear release and retire fence fd's here in case we do |
| * not set them in update_display() |
| */ |
| for (size_t i = 0; i < content->numHwLayers; i++) { |
| hwc_layer_1_t* layer = &content->hwLayers[i]; |
| layer->releaseFenceFd = -1; |
| } |
| content->retireFenceFd = -1; |
| |
| if (!display->is_dummy) { |
| err = display->update_display(planeProp); |
| if (err) |
| ALOGE("Failed to update display %d\n", disp); |
| } |
| |
| /* clear any remaining acquire fences */ |
| for (size_t i = 0; i < content->numHwLayers; i++) { |
| hwc_layer_1_t* layer = &content->hwLayers[i]; |
| if (layer->acquireFenceFd >= 0) { |
| close(layer->acquireFenceFd); |
| layer->acquireFenceFd = -1; |
| } |
| } |
| |
| return err; |
| } |
| |
| static int hwc_set(struct hwc_composer_device_1* dev, size_t numDisplays, hwc_display_contents_1_t** displays) |
| { |
| atrace_begin(ATRACE_TAG_HAL, "am57xx_hwc_set"); |
| if (!numDisplays || !displays) |
| return 0; |
| |
| omap_hwc_device_t* hwc_dev = (omap_hwc_device_t*)dev; |
| std::unique_lock<std::mutex> lock(hwc_dev->mutex); |
| |
| int err = 0; |
| |
| for (size_t i = 0; i < numDisplays; i++) { |
| hwc_display_contents_1_t* contents = displays[i]; |
| |
| if (!contents) |
| continue; |
| |
| if (contents->numHwLayers == 0) { |
| ALOGE("Set given no content for display %zu", i); |
| continue; |
| } |
| |
| int disp_err = hwc_set_for_display(hwc_dev, i, contents); |
| if (!err && disp_err) |
| err = disp_err; |
| } |
| |
| atrace_end(ATRACE_TAG_HAL); |
| return err; |
| } |
| |
| static int hwc_eventControl(struct hwc_composer_device_1* dev, int disp, int event, int enabled) |
| { |
| omap_hwc_device_t* hwc_dev = (omap_hwc_device_t*)dev; |
| std::unique_lock<std::mutex> lock(hwc_dev->mutex); |
| |
| if (!is_valid_display(hwc_dev, disp)) |
| return -EINVAL; |
| |
| switch (event) { |
| case HWC_EVENT_VSYNC: |
| // FIXME: This is a hack |
| hwc_dev->displays[disp]->cb_procs = hwc_dev->cb_procs; |
| |
| ALOGD("%s vsync for display %d", enabled ? "Enabling" : "Disabling", disp); |
| return hwc_dev->displays[disp]->set_vsync_state(enabled); |
| |
| default: |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static int hwc_blank(struct hwc_composer_device_1* dev, int disp, int blank) |
| { |
| omap_hwc_device_t* hwc_dev = (omap_hwc_device_t*)dev; |
| std::unique_lock<std::mutex> lock(hwc_dev->mutex); |
| |
| ALOGD("%s display %d", blank ? "Blanking" : "Unblanking", disp); |
| |
| if (!is_valid_display(hwc_dev, disp)) |
| return -EINVAL; |
| |
| hwc_dev->displays[disp]->blank(blank); |
| |
| return 0; |
| } |
| |
| static int hwc_query(struct hwc_composer_device_1* dev, int what, int* value) |
| { |
| omap_hwc_device_t* hwc_dev = (omap_hwc_device_t*)dev; |
| std::unique_lock<std::mutex> lock(hwc_dev->mutex); |
| |
| switch (what) { |
| case HWC_BACKGROUND_LAYER_SUPPORTED: |
| // we don't support the background layer yet |
| value[0] = 0; |
| break; |
| case HWC_VSYNC_PERIOD: |
| ALOGW("Query for deprecated vsync value, returning 60Hz"); |
| *value = 1000 * 1000 * 1000 / 60; |
| break; |
| case HWC_DISPLAY_TYPES_SUPPORTED: |
| *value = HWC_DISPLAY_PRIMARY_BIT | HWC_DISPLAY_EXTERNAL_BIT; |
| break; |
| default: |
| // unsupported query |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static void hwc_registerProcs(struct hwc_composer_device_1* dev, hwc_procs_t const* procs) |
| { |
| omap_hwc_device_t* hwc_dev = (omap_hwc_device_t*)dev; |
| std::unique_lock<std::mutex> lock(hwc_dev->mutex); |
| |
| hwc_dev->cb_procs = (typeof(hwc_dev->cb_procs))procs; |
| |
| /* now that cb_procs->hotplug is valid */ |
| try { |
| hwc_dev->hdmi_thread = new std::thread(hwc_hdmi_thread, hwc_dev); |
| } catch (...) { |
| ALOGE("Failed to create HDMI listening thread (%s)", strerror(errno)); |
| } |
| } |
| |
| static int hwc_getDisplayConfigs(struct hwc_composer_device_1* dev, int disp, uint32_t* configs, size_t* numConfigs) |
| { |
| omap_hwc_device_t* hwc_dev = (omap_hwc_device_t*)dev; |
| std::unique_lock<std::mutex> lock(hwc_dev->mutex); |
| |
| if (!is_valid_display(hwc_dev, disp)) |
| return -EINVAL; |
| |
| HWCDisplay* display = hwc_dev->displays[disp]; |
| |
| return display->get_display_configs(configs, numConfigs); |
| } |
| |
| static int hwc_getDisplayAttributes(struct hwc_composer_device_1* dev, int disp, uint32_t config, const uint32_t* attributes, int32_t* values) |
| { |
| omap_hwc_device_t* hwc_dev = (omap_hwc_device_t*)dev; |
| std::unique_lock<std::mutex> lock(hwc_dev->mutex); |
| |
| if (!is_valid_display(hwc_dev, disp)) |
| return -EINVAL; |
| |
| HWCDisplay* display = hwc_dev->displays[disp]; |
| |
| return display->get_display_attributes(config, attributes, values); |
| } |
| |
| static int hwc_device_close(hw_device_t* device) |
| { |
| omap_hwc_device_t* hwc_dev = (omap_hwc_device_t*)device; |
| |
| if (hwc_dev) { |
| if (hwc_dev->event_thread) |
| delete hwc_dev->event_thread; |
| |
| for (size_t i = 0; i < MAX_DISPLAYS; i++) |
| delete hwc_dev->displays[i]; |
| |
| delete hwc_dev; |
| } |
| |
| return 0; |
| } |
| |
| static int hwc_device_open(const hw_module_t* module, const char* name, hw_device_t** device) |
| { |
| if (strcmp(name, HWC_HARDWARE_COMPOSER)) |
| return -EINVAL; |
| |
| omap_hwc_device_t* hwc_dev = new omap_hwc_device_t; |
| memset(hwc_dev, 0, sizeof(*hwc_dev)); |
| |
| /* Open DRM device */ |
| hwc_dev->card = new kms::Card(); |
| |
| /* Find primary and external connectors */ |
| get_connectors(hwc_dev); |
| |
| int ret = init_primary_display(hwc_dev); |
| if (ret) { |
| ALOGE("Could not initialize primary display"); |
| return -1; |
| } |
| |
| hwc_dev->event_thread = new std::thread(hwc_drm_event_thread, hwc_dev); |
| |
| hwc_dev->device.common.tag = HARDWARE_DEVICE_TAG; |
| hwc_dev->device.common.version = HWC_DEVICE_API_VERSION_1_1; |
| hwc_dev->device.common.module = (hw_module_t*)module; |
| hwc_dev->device.common.close = hwc_device_close; |
| hwc_dev->device.prepare = hwc_prepare; |
| hwc_dev->device.set = hwc_set; |
| hwc_dev->device.eventControl = hwc_eventControl; |
| hwc_dev->device.blank = hwc_blank; |
| hwc_dev->device.query = hwc_query; |
| hwc_dev->device.registerProcs = hwc_registerProcs; |
| hwc_dev->device.getDisplayConfigs = hwc_getDisplayConfigs; |
| hwc_dev->device.getDisplayAttributes = hwc_getDisplayAttributes; |
| |
| *device = &hwc_dev->device.common; |
| |
| return 0; |
| } |
| |
| static struct hw_module_methods_t module_methods = { |
| .open = hwc_device_open, |
| }; |
| |
| omap_hwc_module_t HAL_MODULE_INFO_SYM = { |
| .base = { |
| .common = { |
| .tag = HARDWARE_MODULE_TAG, |
| .module_api_version = HWC_MODULE_API_VERSION_0_1, |
| .hal_api_version = HARDWARE_HAL_API_VERSION, |
| .id = HWC_HARDWARE_MODULE_ID, |
| .name = "AM57xx Hardware Composer HAL", |
| .author = "Texas Instruments", |
| .methods = &module_methods, |
| }, |
| }, |
| }; |