crespo libhwcomposer: handle vsync uevents
Change-Id: Ida75ba839ef9444adf4ae69dee940b5d15d79e60
Signed-off-by: Greg Hackmann <ghackmann@google.com>
diff --git a/include/sec_lcd.h b/include/sec_lcd.h
index b5451b7..b829f0e 100755
--- a/include/sec_lcd.h
+++ b/include/sec_lcd.h
@@ -33,7 +33,7 @@
#define FBIO_WAITFORVSYNC _IO ('F', 32)
#define SECFB_WIN_POSITION _IOW ('F', 203, struct secfb_user_window)
-
+#define S3CFB_SET_VSYNC_ACTIVE _IOW ('F', 208, uint32_t)
#define DEFAULT_LCD_WIDTH (480)
#define DEFAULT_LCD_HEIGHT (800)
diff --git a/libhwcomposer/Android.mk b/libhwcomposer/Android.mk
index f484dfd..72c7b59 100644
--- a/libhwcomposer/Android.mk
+++ b/libhwcomposer/Android.mk
@@ -21,7 +21,7 @@
include $(CLEAR_VARS)
LOCAL_PRELINK_MODULE := false
LOCAL_MODULE_PATH := $(TARGET_OUT_SHARED_LIBRARIES)/hw
-LOCAL_SHARED_LIBRARIES := liblog libcutils libEGL libGLESv1_CM libhardware
+LOCAL_SHARED_LIBRARIES := liblog libcutils libEGL libGLESv1_CM libhardware libhardware_legacy
LOCAL_CFLAGS += -DLOG_TAG=\"hwcomposer\"
LOCAL_C_INCLUDES := \
diff --git a/libhwcomposer/SecHWC.cpp b/libhwcomposer/SecHWC.cpp
index b7c3790..14e4f9b 100644
--- a/libhwcomposer/SecHWC.cpp
+++ b/libhwcomposer/SecHWC.cpp
@@ -23,10 +23,12 @@
*
*/
+#include <sys/resource.h>
#include <cutils/log.h>
#include <cutils/atomic.h>
#include <EGL/egl.h>
#include <GLES/gl.h>
+#include <hardware_legacy/uevent.h>
#include "SecHWCUtils.h"
static IMG_gralloc_module_public_t *gpsGrallocModule;
@@ -41,8 +43,8 @@
hwc_module_t HAL_MODULE_INFO_SYM = {
common: {
tag: HARDWARE_MODULE_TAG,
- version_major: 1,
- version_minor: 0,
+ module_api_version: HWC_MODULE_API_VERSION_0_1,
+ hal_api_version: HARDWARE_HAL_API_VERSION,
id: HWC_HARDWARE_MODULE_ID,
name: "Samsung S5PC11X hwcomposer module",
author: "SAMSUNG",
@@ -292,7 +294,6 @@
struct sec_rect src_rect;
struct sec_rect dst_rect;
-
if (dpy == NULL && sur == NULL && list == NULL) {
// release our resources, the screen is turning off
// in our case, there is nothing to do.
@@ -424,6 +425,94 @@
return 0;
}
+static void hwc_registerProcs(struct hwc_composer_device* dev,
+ hwc_procs_t const* procs)
+{
+ struct hwc_context_t* ctx = (struct hwc_context_t*)dev;
+ ctx->procs = const_cast<hwc_procs_t *>(procs);
+}
+
+static int hwc_query(struct hwc_composer_device* dev,
+ int what, int* value)
+{
+ struct hwc_context_t* ctx = (struct hwc_context_t*)dev;
+
+ switch (what) {
+ case HWC_BACKGROUND_LAYER_SUPPORTED:
+ // we don't support the background layer yet
+ value[0] = 0;
+ break;
+ case HWC_VSYNC_PERIOD:
+ // vsync period in nanosecond
+ value[0] = 1000000000.0 / gpsGrallocModule->psFrameBufferDevice->base.fps;
+ break;
+ default:
+ // unsupported query
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int hwc_eventControl(struct hwc_composer_device* dev,
+ int event, int enabled)
+{
+ struct hwc_context_t* ctx = (struct hwc_context_t*)dev;
+
+ switch (event) {
+ case HWC_EVENT_VSYNC:
+ int val = !!enabled;
+ int err = ioctl(ctx->global_lcd_win.fd, S3CFB_SET_VSYNC_ACTIVE, &val);
+ if (err < 0)
+ return -errno;
+
+ return 0;
+ }
+
+ return -EINVAL;
+}
+
+void handle_vsync_uevent(hwc_context_t *ctx, const char *buff, int len)
+{
+ uint64_t timestamp = 0;
+ const char *s = buff;
+
+ if(!ctx->procs || !ctx->procs->vsync)
+ return;
+
+ s += strlen(s) + 1;
+
+ while(*s) {
+ if (!strncmp(s, "VSYNC=", strlen("VSYNC=")))
+ timestamp = strtoull(s + strlen("VSYNC="), NULL, 0);
+
+ s += strlen(s) + 1;
+ if (s - buff >= len)
+ break;
+ }
+
+ ctx->procs->vsync(ctx->procs, 0, timestamp);
+}
+
+static void *hwc_vsync_thread(void *data)
+{
+ hwc_context_t *ctx = (hwc_context_t *)(data);
+ char uevent_desc[4096];
+ memset(uevent_desc, 0, sizeof(uevent_desc));
+
+ setpriority(PRIO_PROCESS, 0, HAL_PRIORITY_URGENT_DISPLAY);
+
+ uevent_init();
+ while(true) {
+ int len = uevent_next_event(uevent_desc, sizeof(uevent_desc) - 2);
+
+ bool vsync = !strcmp(uevent_desc, "change@/devices/platform/s3cfb");
+ if(vsync)
+ handle_vsync_uevent(ctx, uevent_desc, len);
+ }
+
+ return NULL;
+}
+
static int hwc_device_close(struct hw_device_t *dev)
{
struct hwc_context_t* ctx = (struct hwc_context_t*)dev;
@@ -448,15 +537,22 @@
}
}
+ // TODO: stop vsync_thread
+
free(ctx);
}
return ret;
}
+static const struct hwc_methods hwc_methods = {
+ eventControl: hwc_eventControl
+};
+
static int hwc_device_open(const struct hw_module_t* module, const char* name,
struct hw_device_t** device)
{
int status = 0;
+ int err;
struct hwc_win_info_t *win;
if(hw_get_module(GRALLOC_HARDWARE_MODULE_ID,
@@ -477,18 +573,21 @@
/* initialize the procs */
dev->device.common.tag = HARDWARE_DEVICE_TAG;
- dev->device.common.version = 0;
+ dev->device.common.version = HWC_DEVICE_API_VERSION_0_3;
dev->device.common.module = const_cast<hw_module_t*>(module);
dev->device.common.close = hwc_device_close;
dev->device.prepare = hwc_prepare;
dev->device.set = hwc_set;
+ dev->device.registerProcs = hwc_registerProcs;
+ dev->device.query = hwc_query;
+ dev->device.methods = &hwc_methods;
*device = &dev->device.common;
/* initializing */
memset(&(dev->fimc), 0, sizeof(s5p_fimc_t));
- dev->fimc.dev_fd = -1;
+ dev->fimc.dev_fd = -1;
/* open WIN0 & WIN1 here */
for (int i = 0; i < NUM_OF_WIN; i++) {
@@ -509,7 +608,7 @@
/* get default window config */
if (window_get_global_lcd_info(dev) < 0) {
ALOGE("%s::window_get_global_lcd_info is failed : %s",
- __func__, strerror(errno));
+ __func__, strerror(errno));
status = -EINVAL;
goto err;
}
@@ -529,14 +628,14 @@
if (window_set_pos(win) < 0) {
ALOGE("%s::window_set_pos is failed : %s",
- __func__, strerror(errno));
+ __func__, strerror(errno));
status = -EINVAL;
goto err;
}
if (window_get_info(win) < 0) {
ALOGE("%s::window_get_info is failed : %s",
- __func__, strerror(errno));
+ __func__, strerror(errno));
status = -EINVAL;
goto err;
}
@@ -562,6 +661,13 @@
goto err;
}
+ err = pthread_create(&dev->vsync_thread, NULL, hwc_vsync_thread, dev);
+ if (err) {
+ ALOGE("%s::pthread_create() failed : %s", __func__, strerror(err));
+ status = -err;
+ goto err;
+ }
+
ALOGD("%s:: success\n", __func__);
return 0;
diff --git a/libhwcomposer/SecHWCUtils.h b/libhwcomposer/SecHWCUtils.h
index 41172b4..d59c120 100644
--- a/libhwcomposer/SecHWCUtils.h
+++ b/libhwcomposer/SecHWCUtils.h
@@ -116,6 +116,8 @@
struct hwc_win_info_t global_lcd_win;
struct fb_var_screeninfo lcd_info;
s5p_fimc_t fimc;
+ hwc_procs_t *procs;
+ pthread_t vsync_thread;
unsigned int num_of_fb_layer;
unsigned int num_of_hwc_layer;
unsigned int num_of_fb_layer_prev;
