Include gralloc sources
Change-Id: I1c77c89ea568ca69732b507ebab9f1696dec9398
Signed-off-by: Vishal Bhoj <vishal.bhoj@linaro.org>
diff --git a/device.mk b/device.mk
index 3403bf0..e1337ce 100644
--- a/device.mk
+++ b/device.mk
@@ -49,10 +49,10 @@
# Include USB speed switch App
PRODUCT_PACKAGES += UsbSpeedSwitch
-# Build libion for new double-buffering HDLCD driver
+# Build libion
PRODUCT_PACKAGES += libion
-# Build gralloc for Juno
+# Build gralloc for hikey
PRODUCT_PACKAGES += gralloc.hikey
# Set zygote config
diff --git a/gralloc/Android.mk b/gralloc/Android.mk
new file mode 100644
index 0000000..7dcec5c
--- /dev/null
+++ b/gralloc/Android.mk
@@ -0,0 +1,55 @@
+#
+# Copyright (C) 2010 ARM Limited. All rights reserved.
+#
+# Copyright (C) 2008 The Android Open Source Project
+#
+# 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.
+
+
+LOCAL_PATH := $(call my-dir)
+
+# HAL module implemenation, not prelinked and stored in
+# hw/<OVERLAY_HARDWARE_MODULE_ID>.<ro.product.board>.so
+include $(CLEAR_VARS)
+LOCAL_PRELINK_MODULE := false
+
+ifeq ($(shell test $(PLATFORM_SDK_VERSION) -ge 21 && echo OK),OK)
+ LOCAL_MODULE_RELATIVE_PATH := hw
+else
+ LOCAL_MODULE_PATH := $(TARGET_OUT_SHARED_LIBRARIES)/hw
+endif
+
+MALI_DDK_TEST_PATH := hardware/arm/
+
+LOCAL_MODULE := gralloc.$(TARGET_BOARD_PLATFORM)
+#LOCAL_MODULE_TAGS := optional
+
+# Mali-200/300/400MP DDK
+MALI_DDK_PATH := hardware/arm/mali
+#SHARED_MEM_LIBS := libUMP
+SHARED_MEM_LIBS := libion libhardware
+LOCAL_SHARED_LIBRARIES := liblog libcutils libGLESv1_CM $(SHARED_MEM_LIBS)
+
+LOCAL_C_INCLUDES := system/core/include/ $(MALI_DDK_PATH)/include
+# Include the UMP header files
+# LOCAL_C_INCLUDES += $(MALI_DDK_PATH)/src/ump/include
+
+LOCAL_CFLAGS := -DLOG_TAG=\"gralloc\" -DGRALLOC_32_BITS -DSTANDARD_LINUX_SCREEN -DPLATFORM_SDK_VERSION=$(PLATFORM_SDK_VERSION)
+
+LOCAL_SRC_FILES := \
+ gralloc_module.cpp \
+ alloc_device.cpp \
+ framebuffer_device.cpp
+
+#LOCAL_CFLAGS+= -DMALI_VSYNC_EVENT_REPORT_ENABLE
+include $(BUILD_SHARED_LIBRARY)
diff --git a/gralloc/alloc_device.cpp b/gralloc/alloc_device.cpp
new file mode 100644
index 0000000..3ef099f
--- /dev/null
+++ b/gralloc/alloc_device.cpp
@@ -0,0 +1,656 @@
+/*
+ * Copyright (C) 2010 ARM Limited. All rights reserved.
+ *
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * 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 <string.h>
+#include <errno.h>
+#include <pthread.h>
+
+#include <cutils/log.h>
+#include <cutils/atomic.h>
+#include <hardware/hardware.h>
+#include <hardware/gralloc.h>
+
+#include <sys/ioctl.h>
+
+#include "alloc_device.h"
+#include "gralloc_priv.h"
+#include "gralloc_helper.h"
+#include "framebuffer_device.h"
+
+#if GRALLOC_ARM_UMP_MODULE
+#include <ump/ump.h>
+#include <ump/ump_ref_drv.h>
+#endif
+
+#if GRALLOC_ARM_DMA_BUF_MODULE
+#include <linux/ion.h>
+#include <ion/ion.h>
+#endif
+
+#define GRALLOC_ALIGN( value, base ) (((value) + ((base) - 1)) & ~((base) - 1))
+
+
+#if GRALLOC_SIMULATE_FAILURES
+#include <cutils/properties.h>
+
+/* system property keys for controlling simulated UMP allocation failures */
+#define PROP_MALI_TEST_GRALLOC_FAIL_FIRST "mali.test.gralloc.fail_first"
+#define PROP_MALI_TEST_GRALLOC_FAIL_INTERVAL "mali.test.gralloc.fail_interval"
+
+static int __ump_alloc_should_fail()
+{
+
+ static unsigned int call_count = 0;
+ unsigned int first_fail = 0;
+ int fail_period = 0;
+ int fail = 0;
+
+ ++call_count;
+
+ /* read the system properties that control failure simulation */
+ {
+ char prop_value[PROPERTY_VALUE_MAX];
+
+ if (property_get(PROP_MALI_TEST_GRALLOC_FAIL_FIRST, prop_value, "0") > 0)
+ {
+ sscanf(prop_value, "%11u", &first_fail);
+ }
+
+ if (property_get(PROP_MALI_TEST_GRALLOC_FAIL_INTERVAL, prop_value, "0") > 0)
+ {
+ sscanf(prop_value, "%11u", &fail_period);
+ }
+ }
+
+ /* failure simulation is enabled by setting the first_fail property to non-zero */
+ if (first_fail > 0)
+ {
+ LOGI("iteration %u (fail=%u, period=%u)\n", call_count, first_fail, fail_period);
+
+ fail = (call_count == first_fail) ||
+ (call_count > first_fail && fail_period > 0 && 0 == (call_count - first_fail) % fail_period);
+
+ if (fail)
+ {
+ AERR("failed ump_ref_drv_allocate on iteration #%d\n", call_count);
+ }
+ }
+
+ return fail;
+}
+#endif
+
+
+static int gralloc_alloc_buffer(alloc_device_t *dev, size_t size, int usage, buffer_handle_t *pHandle)
+{
+#if GRALLOC_ARM_DMA_BUF_MODULE
+ {
+ private_module_t *m = reinterpret_cast<private_module_t *>(dev->common.module);
+ ion_user_handle_t ion_hnd;
+ unsigned char *cpu_ptr;
+ int shared_fd;
+ int ret;
+
+ ret = ion_alloc(m->ion_client, size, 0, ION_HEAP_SYSTEM_MASK, 0, &(ion_hnd));
+
+ if (ret != 0)
+ {
+ AERR("Failed to ion_alloc from ion_client:%d", m->ion_client);
+ return -1;
+ }
+
+ ret = ion_share(m->ion_client, ion_hnd, &shared_fd);
+
+ if (ret != 0)
+ {
+ AERR("ion_share( %d ) failed", m->ion_client);
+
+ if (0 != ion_free(m->ion_client, ion_hnd))
+ {
+ AERR("ion_free( %d ) failed", m->ion_client);
+ }
+
+ return -1;
+ }
+
+ cpu_ptr = (unsigned char *)mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, shared_fd, 0);
+
+ if (MAP_FAILED == cpu_ptr)
+ {
+ AERR("ion_map( %d ) failed", m->ion_client);
+
+ if (0 != ion_free(m->ion_client, ion_hnd))
+ {
+ AERR("ion_free( %d ) failed", m->ion_client);
+ }
+
+ close(shared_fd);
+ return -1;
+ }
+
+ private_handle_t *hnd = new private_handle_t(private_handle_t::PRIV_FLAGS_USES_ION, usage, size, cpu_ptr, private_handle_t::LOCK_STATE_MAPPED);
+
+ if (NULL != hnd)
+ {
+ hnd->share_fd = shared_fd;
+ hnd->ion_hnd = ion_hnd;
+ *pHandle = hnd;
+ return 0;
+ }
+ else
+ {
+ AERR("Gralloc out of mem for ion_client:%d", m->ion_client);
+ }
+
+ close(shared_fd);
+ ret = munmap(cpu_ptr, size);
+
+ if (0 != ret)
+ {
+ AERR("munmap failed for base:%p size: %lu", cpu_ptr, (unsigned long)size);
+ }
+
+ ret = ion_free(m->ion_client, ion_hnd);
+
+ if (0 != ret)
+ {
+ AERR("ion_free( %d ) failed", m->ion_client);
+ }
+
+ return -1;
+ }
+#endif
+
+#if GRALLOC_ARM_UMP_MODULE
+ MALI_IGNORE(dev);
+ {
+ ump_handle ump_mem_handle;
+ void *cpu_ptr;
+ ump_secure_id ump_id;
+ ump_alloc_constraints constraints;
+
+ size = round_up_to_page_size(size);
+
+ if ((usage & GRALLOC_USAGE_SW_READ_MASK) == GRALLOC_USAGE_SW_READ_OFTEN)
+ {
+ constraints = UMP_REF_DRV_CONSTRAINT_USE_CACHE;
+ }
+ else
+ {
+ constraints = UMP_REF_DRV_CONSTRAINT_NONE;
+ }
+
+#ifdef GRALLOC_SIMULATE_FAILURES
+
+ /* if the failure condition matches, fail this iteration */
+ if (__ump_alloc_should_fail())
+ {
+ ump_mem_handle = UMP_INVALID_MEMORY_HANDLE;
+ }
+ else
+#endif
+ {
+ ump_mem_handle = ump_ref_drv_allocate(size, constraints);
+
+ if (UMP_INVALID_MEMORY_HANDLE != ump_mem_handle)
+ {
+ cpu_ptr = ump_mapped_pointer_get(ump_mem_handle);
+
+ if (NULL != cpu_ptr)
+ {
+ ump_id = ump_secure_id_get(ump_mem_handle);
+
+ if (UMP_INVALID_SECURE_ID != ump_id)
+ {
+ private_handle_t *hnd = new private_handle_t(private_handle_t::PRIV_FLAGS_USES_UMP, usage, size, cpu_ptr,
+ private_handle_t::LOCK_STATE_MAPPED, ump_id, ump_mem_handle);
+
+ if (NULL != hnd)
+ {
+ *pHandle = hnd;
+ return 0;
+ }
+ else
+ {
+ AERR("gralloc_alloc_buffer() failed to allocate handle. ump_handle = %p, ump_id = %d", ump_mem_handle, ump_id);
+ }
+ }
+ else
+ {
+ AERR("gralloc_alloc_buffer() failed to retrieve valid secure id. ump_handle = %p", ump_mem_handle);
+ }
+
+ ump_mapped_pointer_release(ump_mem_handle);
+ }
+ else
+ {
+ AERR("gralloc_alloc_buffer() failed to map UMP memory. ump_handle = %p", ump_mem_handle);
+ }
+
+ ump_reference_release(ump_mem_handle);
+ }
+ else
+ {
+ AERR("gralloc_alloc_buffer() failed to allocate UMP memory. size:%d constraints: %d", size, constraints);
+ }
+ }
+
+ return -1;
+ }
+#endif
+
+}
+
+static int gralloc_alloc_framebuffer_locked(alloc_device_t *dev, size_t size, int usage, buffer_handle_t *pHandle)
+{
+ private_module_t *m = reinterpret_cast<private_module_t *>(dev->common.module);
+
+ // allocate the framebuffer
+ if (m->framebuffer == NULL)
+ {
+ // initialize the framebuffer, the framebuffer is mapped once and forever.
+ int err = init_frame_buffer_locked(m);
+
+ if (err < 0)
+ {
+ return err;
+ }
+ }
+
+ const uint32_t bufferMask = m->bufferMask;
+ const uint32_t numBuffers = m->numBuffers;
+ const size_t bufferSize = m->finfo.line_length * m->info.yres;
+
+ if (numBuffers == 1)
+ {
+ // If we have only one buffer, we never use page-flipping. Instead,
+ // we return a regular buffer which will be memcpy'ed to the main
+ // screen when post is called.
+ int newUsage = (usage & ~GRALLOC_USAGE_HW_FB) | GRALLOC_USAGE_HW_2D;
+ AERR("fallback to single buffering. Virtual Y-res too small %d", m->info.yres);
+ return gralloc_alloc_buffer(dev, bufferSize, newUsage, pHandle);
+ }
+
+ if (bufferMask >= ((1LU << numBuffers) - 1))
+ {
+ // We ran out of buffers.
+ return -ENOMEM;
+ }
+
+ void *vaddr = m->framebuffer->base;
+
+ // find a free slot
+ for (uint32_t i = 0 ; i < numBuffers ; i++)
+ {
+ if ((bufferMask & (1LU << i)) == 0)
+ {
+ m->bufferMask |= (1LU << i);
+ break;
+ }
+
+ vaddr = (void *)((uintptr_t)vaddr + bufferSize);
+ }
+
+ // The entire framebuffer memory is already mapped, now create a buffer object for parts of this memory
+ private_handle_t *hnd = new private_handle_t(private_handle_t::PRIV_FLAGS_FRAMEBUFFER, usage, size, vaddr,
+ 0, dup(m->framebuffer->fd), (uintptr_t)vaddr - (uintptr_t) m->framebuffer->base);
+#if GRALLOC_ARM_UMP_MODULE
+ hnd->ump_id = m->framebuffer->ump_id;
+
+ /* create a backing ump memory handle if the framebuffer is exposed as a secure ID */
+ if ((int)UMP_INVALID_SECURE_ID != hnd->ump_id)
+ {
+ hnd->ump_mem_handle = (int)ump_handle_create_from_secure_id(hnd->ump_id);
+
+ if ((int)UMP_INVALID_MEMORY_HANDLE == hnd->ump_mem_handle)
+ {
+ AINF("warning: unable to create UMP handle from secure ID %i\n", hnd->ump_id);
+ }
+ }
+
+#endif
+
+#if GRALLOC_ARM_DMA_BUF_MODULE
+ {
+#ifdef FBIOGET_DMABUF
+ struct fb_dmabuf_export fb_dma_buf;
+
+ if (ioctl(m->framebuffer->fd, FBIOGET_DMABUF, &fb_dma_buf) == 0)
+ {
+ AINF("framebuffer accessed with dma buf (fd 0x%x)\n", (int)fb_dma_buf.fd);
+ hnd->share_fd = fb_dma_buf.fd;
+ }
+
+#endif
+ }
+#endif
+
+ *pHandle = hnd;
+
+ return 0;
+}
+
+static int gralloc_alloc_framebuffer(alloc_device_t *dev, size_t size, int usage, buffer_handle_t *pHandle)
+{
+ private_module_t *m = reinterpret_cast<private_module_t *>(dev->common.module);
+ pthread_mutex_lock(&m->lock);
+ int err = gralloc_alloc_framebuffer_locked(dev, size, usage, pHandle);
+ pthread_mutex_unlock(&m->lock);
+ return err;
+}
+
+static int alloc_device_alloc(alloc_device_t *dev, int w, int h, int format, int usage, buffer_handle_t *pHandle, int *pStride)
+{
+ if (!pHandle || !pStride)
+ {
+ return -EINVAL;
+ }
+
+ size_t size;
+ size_t stride;
+
+ if (format == HAL_PIXEL_FORMAT_YCrCb_420_SP || format == HAL_PIXEL_FORMAT_YV12
+ /* HAL_PIXEL_FORMAT_YCbCr_420_SP, HAL_PIXEL_FORMAT_YCbCr_420_P, HAL_PIXEL_FORMAT_YCbCr_422_I are not defined in Android.
+ * To enable Mali DDK EGLImage support for those formats, firstly, you have to add them in Android system/core/include/system/graphics.h.
+ * Then, define SUPPORT_LEGACY_FORMAT in the same header file(Mali DDK will also check this definition).
+ */
+#ifdef SUPPORT_LEGACY_FORMAT
+ || format == HAL_PIXEL_FORMAT_YCbCr_420_SP || format == HAL_PIXEL_FORMAT_YCbCr_420_P || format == HAL_PIXEL_FORMAT_YCbCr_422_I
+#endif
+ )
+ {
+ switch (format)
+ {
+ case HAL_PIXEL_FORMAT_YCrCb_420_SP:
+ stride = GRALLOC_ALIGN(w, 16);
+ size = GRALLOC_ALIGN(h, 16) * (stride + GRALLOC_ALIGN(stride / 2, 16));
+ break;
+
+ case HAL_PIXEL_FORMAT_YV12:
+#ifdef SUPPORT_LEGACY_FORMAT
+ case HAL_PIXEL_FORMAT_YCbCr_420_P:
+#endif
+ stride = GRALLOC_ALIGN(w, 16);
+ size = GRALLOC_ALIGN(h, 2) * (stride + GRALLOC_ALIGN(stride / 2, 16));
+
+ break;
+#ifdef SUPPORT_LEGACY_FORMAT
+
+ case HAL_PIXEL_FORMAT_YCbCr_420_SP:
+ stride = GRALLOC_ALIGN(w, 16);
+ size = GRALLOC_ALIGN(h, 16) * (stride + GRALLOC_ALIGN(stride / 2, 16));
+ break;
+
+ case HAL_PIXEL_FORMAT_YCbCr_422_I:
+ stride = GRALLOC_ALIGN(w, 16);
+ size = h * stride * 2;
+
+ break;
+#endif
+
+ default:
+ return -EINVAL;
+ }
+ }
+ else
+ {
+ int bpp = 0;
+
+ switch (format)
+ {
+ case HAL_PIXEL_FORMAT_RGBA_8888:
+ case HAL_PIXEL_FORMAT_RGBX_8888:
+ case HAL_PIXEL_FORMAT_BGRA_8888:
+ bpp = 4;
+ break;
+
+ case HAL_PIXEL_FORMAT_RGB_888:
+ bpp = 3;
+ break;
+
+ case HAL_PIXEL_FORMAT_RGB_565:
+#if PLATFORM_SDK_VERSION < 19
+ case HAL_PIXEL_FORMAT_RGBA_5551:
+ case HAL_PIXEL_FORMAT_RGBA_4444:
+#endif
+ bpp = 2;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ size_t bpr = GRALLOC_ALIGN(w * bpp, 64);
+ size = bpr * h;
+ stride = bpr / bpp;
+ }
+
+ int err;
+
+#ifndef MALI_600
+
+ if (usage & GRALLOC_USAGE_HW_FB)
+ {
+ err = gralloc_alloc_framebuffer(dev, size, usage, pHandle);
+ }
+ else
+#endif
+
+ {
+ err = gralloc_alloc_buffer(dev, size, usage, pHandle);
+ }
+
+ if (err < 0)
+ {
+ return err;
+ }
+
+ /* match the framebuffer format */
+ if (usage & GRALLOC_USAGE_HW_FB)
+ {
+#ifdef GRALLOC_16_BITS
+ format = HAL_PIXEL_FORMAT_RGB_565;
+#else
+ format = HAL_PIXEL_FORMAT_BGRA_8888;
+#endif
+ }
+
+ private_handle_t *hnd = (private_handle_t *)*pHandle;
+ int private_usage = usage & (GRALLOC_USAGE_PRIVATE_0 |
+ GRALLOC_USAGE_PRIVATE_1);
+
+ switch (private_usage)
+ {
+ case 0:
+ hnd->yuv_info = MALI_YUV_BT601_NARROW;
+ break;
+
+ case GRALLOC_USAGE_PRIVATE_1:
+ hnd->yuv_info = MALI_YUV_BT601_WIDE;
+ break;
+
+ case GRALLOC_USAGE_PRIVATE_0:
+ hnd->yuv_info = MALI_YUV_BT709_NARROW;
+ break;
+
+ case (GRALLOC_USAGE_PRIVATE_0 | GRALLOC_USAGE_PRIVATE_1):
+ hnd->yuv_info = MALI_YUV_BT709_WIDE;
+ break;
+ }
+
+ hnd->width = w;
+ hnd->height = h;
+ hnd->format = format;
+ hnd->stride = stride;
+
+ *pStride = stride;
+ return 0;
+}
+
+static int alloc_device_free(alloc_device_t *dev, buffer_handle_t handle)
+{
+ if (private_handle_t::validate(handle) < 0)
+ {
+ return -EINVAL;
+ }
+
+ private_handle_t const *hnd = reinterpret_cast<private_handle_t const *>(handle);
+
+ if (hnd->flags & private_handle_t::PRIV_FLAGS_FRAMEBUFFER)
+ {
+ // free this buffer
+ private_module_t *m = reinterpret_cast<private_module_t *>(dev->common.module);
+ const size_t bufferSize = m->finfo.line_length * m->info.yres;
+ int index = ((uintptr_t)hnd->base - (uintptr_t)m->framebuffer->base) / bufferSize;
+ m->bufferMask &= ~(1 << index);
+ close(hnd->fd);
+
+#if GRALLOC_ARM_UMP_MODULE
+
+ if ((int)UMP_INVALID_MEMORY_HANDLE != hnd->ump_mem_handle)
+ {
+ ump_reference_release((ump_handle)hnd->ump_mem_handle);
+ }
+
+#endif
+ }
+ else if (hnd->flags & private_handle_t::PRIV_FLAGS_USES_UMP)
+ {
+#if GRALLOC_ARM_UMP_MODULE
+
+ /* Buffer might be unregistered so we need to check for invalid ump handle*/
+ if ((int)UMP_INVALID_MEMORY_HANDLE != hnd->ump_mem_handle)
+ {
+ ump_mapped_pointer_release((ump_handle)hnd->ump_mem_handle);
+ ump_reference_release((ump_handle)hnd->ump_mem_handle);
+ }
+
+#else
+ AERR("Can't free ump memory for handle:0x%p. Not supported.", hnd);
+#endif
+ }
+ else if (hnd->flags & private_handle_t::PRIV_FLAGS_USES_ION)
+ {
+#if GRALLOC_ARM_DMA_BUF_MODULE
+ private_module_t *m = reinterpret_cast<private_module_t *>(dev->common.module);
+
+ /* Buffer might be unregistered so we need to check for invalid ump handle*/
+ if (0 != hnd->base)
+ {
+ if (0 != munmap((void *)hnd->base, hnd->size))
+ {
+ AERR("Failed to munmap handle 0x%p", hnd);
+ }
+ }
+
+ close(hnd->share_fd);
+
+ if (0 != ion_free(m->ion_client, hnd->ion_hnd))
+ {
+ AERR("Failed to ion_free( ion_client: %d ion_hnd: %p )", m->ion_client, (void *)(uintptr_t)hnd->ion_hnd);
+ }
+
+ memset((void *)hnd, 0, sizeof(*hnd));
+#else
+ AERR("Can't free dma_buf memory for handle:0x%x. Not supported.", (unsigned int)hnd);
+#endif
+
+ }
+
+ delete hnd;
+
+ return 0;
+}
+
+static int alloc_device_close(struct hw_device_t *device)
+{
+ alloc_device_t *dev = reinterpret_cast<alloc_device_t *>(device);
+
+ if (dev)
+ {
+#if GRALLOC_ARM_DMA_BUF_MODULE
+ private_module_t *m = reinterpret_cast<private_module_t *>(device);
+
+ if (0 != ion_close(m->ion_client))
+ {
+ AERR("Failed to close ion_client: %d", m->ion_client);
+ }
+
+ close(m->ion_client);
+#endif
+ delete dev;
+#if GRALLOC_ARM_UMP_MODULE
+ ump_close(); // Our UMP memory refs will be released automatically here...
+#endif
+ }
+
+ return 0;
+}
+
+int alloc_device_open(hw_module_t const *module, const char *name, hw_device_t **device)
+{
+ MALI_IGNORE(name);
+ alloc_device_t *dev;
+
+ dev = new alloc_device_t;
+
+ if (NULL == dev)
+ {
+ return -1;
+ }
+
+#if GRALLOC_ARM_UMP_MODULE
+ ump_result ump_res = ump_open();
+
+ if (UMP_OK != ump_res)
+ {
+ AERR("UMP open failed with %d", ump_res);
+ delete dev;
+ return -1;
+ }
+
+#endif
+
+ /* initialize our state here */
+ memset(dev, 0, sizeof(*dev));
+
+ /* initialize the procs */
+ dev->common.tag = HARDWARE_DEVICE_TAG;
+ dev->common.version = 0;
+ dev->common.module = const_cast<hw_module_t *>(module);
+ dev->common.close = alloc_device_close;
+ dev->alloc = alloc_device_alloc;
+ dev->free = alloc_device_free;
+
+#if GRALLOC_ARM_DMA_BUF_MODULE
+ private_module_t *m = reinterpret_cast<private_module_t *>(dev->common.module);
+ m->ion_client = ion_open();
+
+ if (m->ion_client < 0)
+ {
+ AERR("ion_open failed with %s", strerror(errno));
+ delete dev;
+ return -1;
+ }
+
+#endif
+
+ *device = &dev->common;
+
+ return 0;
+}
diff --git a/gralloc/alloc_device.h b/gralloc/alloc_device.h
new file mode 100644
index 0000000..534a0d6
--- /dev/null
+++ b/gralloc/alloc_device.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2010 ARM Limited. All rights reserved.
+ *
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * 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 <hardware/hardware.h>
+
+#ifndef AWAR
+#define AWAR(fmt, args...) __android_log_print(ANDROID_LOG_WARN, "[Gralloc-Warning]", "%s:%d " fmt,__func__,__LINE__,args)
+#endif
+#ifndef AINF
+#define AINF(fmt, args...) __android_log_print(ANDROID_LOG_INFO, "[Gralloc]", fmt,args)
+#endif
+#ifndef AERR
+#define AERR(fmt, args...) __android_log_print(ANDROID_LOG_ERROR, "[Gralloc-ERROR]", "%s:%d " fmt,__func__,__LINE__,args)
+#endif
+#ifndef AERR_IF
+#define AERR_IF( eq, fmt, args...) if ( (eq) ) AERR( fmt, args )
+#endif
+
+// Create an alloc device
+int alloc_device_open(hw_module_t const *module, const char *name, hw_device_t **device);
diff --git a/gralloc/framebuffer_device.cpp b/gralloc/framebuffer_device.cpp
new file mode 100644
index 0000000..48e58f8
--- /dev/null
+++ b/gralloc/framebuffer_device.cpp
@@ -0,0 +1,504 @@
+/*
+ * Copyright (C) 2010 ARM Limited. All rights reserved.
+ *
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * 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 <string.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <linux/fb.h>
+#include <stdlib.h>
+#include <cutils/log.h>
+#include <cutils/atomic.h>
+#include <hardware/hardware.h>
+#include <hardware/gralloc.h>
+
+#include <GLES/gl.h>
+
+#ifdef MALI_VSYNC_EVENT_REPORT_ENABLE
+#include "gralloc_vsync_report.h"
+#endif
+
+#include "alloc_device.h"
+#include "gralloc_priv.h"
+#include "gralloc_helper.h"
+
+// numbers of buffers for page flipping
+#define NUM_BUFFERS NUM_FB_BUFFERS
+
+static int swapInterval = 1;
+
+enum
+{
+ PAGE_FLIP = 0x00000001,
+};
+
+
+static int fb_set_swap_interval(struct framebuffer_device_t *dev, int interval)
+{
+ if (interval < dev->minSwapInterval)
+ {
+ interval = dev->minSwapInterval;
+ }
+ else if (interval > dev->maxSwapInterval)
+ {
+ interval = dev->maxSwapInterval;
+ }
+
+ swapInterval = interval;
+
+ return 0;
+}
+
+static int fb_post(struct framebuffer_device_t *dev, buffer_handle_t buffer)
+{
+ if (private_handle_t::validate(buffer) < 0)
+ {
+ return -EINVAL;
+ }
+
+ private_handle_t const *hnd = reinterpret_cast<private_handle_t const *>(buffer);
+ private_module_t *m = reinterpret_cast<private_module_t *>(dev->common.module);
+
+ if (m->currentBuffer)
+ {
+ m->base.unlock(&m->base, m->currentBuffer);
+ m->currentBuffer = 0;
+ }
+
+ if (hnd->flags & private_handle_t::PRIV_FLAGS_FRAMEBUFFER)
+ {
+ m->base.lock(&m->base, buffer, private_module_t::PRIV_USAGE_LOCKED_FOR_POST,
+ 0, 0, m->info.xres, m->info.yres, NULL);
+
+ const size_t offset = (uintptr_t)hnd->base - (uintptr_t)m->framebuffer->base;
+ int interrupt;
+ m->info.activate = FB_ACTIVATE_VBL;
+ m->info.yoffset = offset / m->finfo.line_length;
+
+#ifdef STANDARD_LINUX_SCREEN
+#define FBIO_WAITFORVSYNC _IOW('F', 0x20, __u32)
+#define S3CFB_SET_VSYNC_INT _IOW('F', 206, unsigned int)
+
+ if (ioctl(m->framebuffer->fd, FBIOPAN_DISPLAY, &m->info) == -1)
+ {
+ AERR("FBIOPAN_DISPLAY failed for fd: %d", m->framebuffer->fd);
+ m->base.unlock(&m->base, buffer);
+ return 0;
+ }
+
+ if (swapInterval == 1)
+ {
+ // enable VSYNC
+ interrupt = 1;
+
+ if (ioctl(m->framebuffer->fd, S3CFB_SET_VSYNC_INT, &interrupt) < 0)
+ {
+ // AERR("S3CFB_SET_VSYNC_INT enable failed for fd: %d", m->framebuffer->fd);
+ return 0;
+ }
+
+ // wait for VSYNC
+#ifdef MALI_VSYNC_EVENT_REPORT_ENABLE
+ gralloc_mali_vsync_report(MALI_VSYNC_EVENT_BEGIN_WAIT);
+#endif
+ int crtc = 0;
+
+ if (ioctl(m->framebuffer->fd, FBIO_WAITFORVSYNC, &crtc) < 0)
+ {
+ AERR("FBIO_WAITFORVSYNC failed for fd: %d", m->framebuffer->fd);
+#ifdef MALI_VSYNC_EVENT_REPORT_ENABLE
+ gralloc_mali_vsync_report(MALI_VSYNC_EVENT_END_WAIT);
+#endif
+ return 0;
+ }
+
+#ifdef MALI_VSYNC_EVENT_REPORT_ENABLE
+ gralloc_mali_vsync_report(MALI_VSYNC_EVENT_END_WAIT);
+#endif
+ // disable VSYNC
+ interrupt = 0;
+
+ if (ioctl(m->framebuffer->fd, S3CFB_SET_VSYNC_INT, &interrupt) < 0)
+ {
+ AERR("S3CFB_SET_VSYNC_INT disable failed for fd: %d", m->framebuffer->fd);
+ return 0;
+ }
+ }
+
+#else
+ /*Standard Android way*/
+#ifdef MALI_VSYNC_EVENT_REPORT_ENABLE
+ gralloc_mali_vsync_report(MALI_VSYNC_EVENT_BEGIN_WAIT);
+#endif
+
+ if (ioctl(m->framebuffer->fd, FBIOPUT_VSCREENINFO, &m->info) == -1)
+ {
+ AERR("FBIOPUT_VSCREENINFO failed for fd: %d", m->framebuffer->fd);
+#ifdef MALI_VSYNC_EVENT_REPORT_ENABLE
+ gralloc_mali_vsync_report(MALI_VSYNC_EVENT_END_WAIT);
+#endif
+ m->base.unlock(&m->base, buffer);
+ return -errno;
+ }
+
+#ifdef MALI_VSYNC_EVENT_REPORT_ENABLE
+ gralloc_mali_vsync_report(MALI_VSYNC_EVENT_END_WAIT);
+#endif
+#endif
+
+ m->currentBuffer = buffer;
+ }
+ else
+ {
+ void *fb_vaddr;
+ void *buffer_vaddr;
+
+ m->base.lock(&m->base, m->framebuffer, GRALLOC_USAGE_SW_WRITE_RARELY,
+ 0, 0, m->info.xres, m->info.yres, &fb_vaddr);
+
+ m->base.lock(&m->base, buffer, GRALLOC_USAGE_SW_READ_RARELY,
+ 0, 0, m->info.xres, m->info.yres, &buffer_vaddr);
+
+ memcpy(fb_vaddr, buffer_vaddr, m->finfo.line_length * m->info.yres);
+
+ m->base.unlock(&m->base, buffer);
+ m->base.unlock(&m->base, m->framebuffer);
+ }
+
+ return 0;
+}
+
+int init_frame_buffer_locked(struct private_module_t *module)
+{
+ if (module->framebuffer)
+ {
+ return 0; // Nothing to do, already initialized
+ }
+
+ char const *const device_template[] =
+ {
+ "/dev/graphics/fb%u",
+ "/dev/fb%u",
+ NULL
+ };
+
+ int fd = -1;
+ int i = 0;
+ char name[64];
+
+ while ((fd == -1) && device_template[i])
+ {
+ snprintf(name, 64, device_template[i], 0);
+ fd = open(name, O_RDWR, 0);
+ i++;
+ }
+
+ if (fd < 0)
+ {
+ return -errno;
+ }
+
+ struct fb_fix_screeninfo finfo;
+
+ if (ioctl(fd, FBIOGET_FSCREENINFO, &finfo) == -1)
+ {
+ return -errno;
+ }
+
+ struct fb_var_screeninfo info;
+
+ if (ioctl(fd, FBIOGET_VSCREENINFO, &info) == -1)
+ {
+ return -errno;
+ }
+
+ info.reserved[0] = 0;
+ info.reserved[1] = 0;
+ info.reserved[2] = 0;
+ info.xoffset = 0;
+ info.yoffset = 0;
+ info.activate = FB_ACTIVATE_NOW;
+
+#ifdef GRALLOC_16_BITS
+ /*
+ * Explicitly request 5/6/5
+ */
+ info.bits_per_pixel = 16;
+ info.red.offset = 11;
+ info.red.length = 5;
+ info.green.offset = 5;
+ info.green.length = 6;
+ info.blue.offset = 0;
+ info.blue.length = 5;
+ info.transp.offset = 0;
+ info.transp.length = 0;
+#else
+ /*
+ * Explicitly request 8/8/8
+ */
+ info.bits_per_pixel = 32;
+ info.red.offset = 0;
+ info.red.length = 8;
+ info.green.offset = 8;
+ info.green.length = 8;
+ info.blue.offset = 16;
+ info.blue.length = 8;
+ info.transp.offset = 24;
+ info.transp.length = 8;
+#endif
+
+ /*
+ * Request NUM_BUFFERS screens (at lest 2 for page flipping)
+ */
+ info.yres_virtual = info.yres * NUM_BUFFERS;
+
+ uint32_t flags = PAGE_FLIP;
+
+ if (ioctl(fd, FBIOPUT_VSCREENINFO, &info) == -1)
+ {
+ info.yres_virtual = info.yres;
+ flags &= ~PAGE_FLIP;
+ AWAR("FBIOPUT_VSCREENINFO failed, page flipping not supported fd: %d", fd);
+ }
+
+ if (info.yres_virtual < info.yres * 2)
+ {
+ // we need at least 2 for page-flipping
+ info.yres_virtual = info.yres;
+ flags &= ~PAGE_FLIP;
+ AWAR("page flipping not supported (yres_virtual=%d, requested=%d)", info.yres_virtual, info.yres * 2);
+ }
+
+ if (ioctl(fd, FBIOGET_VSCREENINFO, &info) == -1)
+ {
+ return -errno;
+ }
+
+ int refreshRate = 0;
+
+ if (info.pixclock > 0)
+ {
+ refreshRate = 1000000000000000LLU /
+ (
+ uint64_t(info.upper_margin + info.lower_margin + info.yres + info.hsync_len)
+ * (info.left_margin + info.right_margin + info.xres + info.vsync_len)
+ * info.pixclock
+ );
+ }
+ else
+ {
+ AWAR("fbdev pixclock is zero for fd: %d", fd);
+ }
+
+ if (refreshRate == 0)
+ {
+ refreshRate = 60 * 1000; // 60 Hz
+ }
+
+ if (int(info.width) <= 0 || int(info.height) <= 0)
+ {
+ // the driver doesn't return that information
+ // default to 160 dpi
+ info.width = ((info.xres * 25.4f) / 160.0f + 0.5f);
+ info.height = ((info.yres * 25.4f) / 160.0f + 0.5f);
+ }
+
+ float xdpi = (info.xres * 25.4f) / info.width;
+ float ydpi = (info.yres * 25.4f) / info.height;
+ float fps = refreshRate / 1000.0f;
+
+ AINF("using (fd=%d)\n"
+ "id = %s\n"
+ "xres = %d px\n"
+ "yres = %d px\n"
+ "xres_virtual = %d px\n"
+ "yres_virtual = %d px\n"
+ "bpp = %d\n"
+ "r = %2u:%u\n"
+ "g = %2u:%u\n"
+ "b = %2u:%u\n",
+ fd,
+ finfo.id,
+ info.xres,
+ info.yres,
+ info.xres_virtual,
+ info.yres_virtual,
+ info.bits_per_pixel,
+ info.red.offset, info.red.length,
+ info.green.offset, info.green.length,
+ info.blue.offset, info.blue.length);
+
+ AINF("width = %d mm (%f dpi)\n"
+ "height = %d mm (%f dpi)\n"
+ "refresh rate = %.2f Hz\n",
+ info.width, xdpi,
+ info.height, ydpi,
+ fps);
+
+ if (ioctl(fd, FBIOGET_FSCREENINFO, &finfo) == -1)
+ {
+ return -errno;
+ }
+
+ if (finfo.smem_len <= 0)
+ {
+ return -errno;
+ }
+
+ module->flags = flags;
+ module->info = info;
+ module->finfo = finfo;
+ module->xdpi = xdpi;
+ module->ydpi = ydpi;
+ module->fps = fps;
+
+ /*
+ * map the framebuffer
+ */
+ size_t fbSize = round_up_to_page_size(finfo.line_length * info.yres_virtual);
+ void *vaddr = mmap(0, fbSize, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+
+ if (vaddr == MAP_FAILED)
+ {
+ AERR("Error mapping the framebuffer (%s)", strerror(errno));
+ return -errno;
+ }
+
+ memset(vaddr, 0, fbSize);
+
+ // Create a "fake" buffer object for the entire frame buffer memory, and store it in the module
+ module->framebuffer = new private_handle_t(private_handle_t::PRIV_FLAGS_FRAMEBUFFER, 0, fbSize, vaddr,
+ 0, dup(fd), 0);
+
+ module->numBuffers = info.yres_virtual / info.yres;
+ module->bufferMask = 0;
+
+#if GRALLOC_ARM_UMP_MODULE
+#ifdef IOCTL_GET_FB_UMP_SECURE_ID
+ ioctl(fd, IOCTL_GET_FB_UMP_SECURE_ID, &module->framebuffer->ump_id);
+#endif
+
+ if ((int)UMP_INVALID_SECURE_ID != module->framebuffer->ump_id)
+ {
+ AINF("framebuffer accessed with UMP secure ID %i\n", module->framebuffer->ump_id);
+ }
+
+#endif
+
+ return 0;
+}
+
+static int init_frame_buffer(struct private_module_t *module)
+{
+ pthread_mutex_lock(&module->lock);
+ int err = init_frame_buffer_locked(module);
+ pthread_mutex_unlock(&module->lock);
+ return err;
+}
+
+static int fb_close(struct hw_device_t *device)
+{
+ framebuffer_device_t *dev = reinterpret_cast<framebuffer_device_t *>(device);
+
+ if (dev)
+ {
+#if GRALLOC_ARM_UMP_MODULE
+ ump_close();
+#endif
+ delete dev;
+ }
+
+ return 0;
+}
+
+int compositionComplete(struct framebuffer_device_t *dev)
+{
+ MALI_IGNORE(dev);
+ /* By doing a finish here we force the GL driver to start rendering
+ all the drawcalls up to this point, and to wait for the rendering to be complete.*/
+ glFinish();
+ /* The rendering of the backbuffer is now completed.
+ When SurfaceFlinger later does a call to eglSwapBuffer(), the swap will be done
+ synchronously in the same thread, and not asynchronoulsy in a background thread later.
+ The SurfaceFlinger requires this behaviour since it releases the lock on all the
+ SourceBuffers (Layers) after the compositionComplete() function returns.
+ However this "bad" behaviour by SurfaceFlinger should not affect performance,
+ since the Applications that render the SourceBuffers (Layers) still get the
+ full renderpipeline using asynchronous rendering. So they perform at maximum speed,
+ and because of their complexity compared to the Surface flinger jobs, the Surface flinger
+ is normally faster even if it does everyhing synchronous and serial.
+ */
+ return 0;
+}
+
+int framebuffer_device_open(hw_module_t const *module, const char *name, hw_device_t **device)
+{
+ int status = -EINVAL;
+
+ alloc_device_t *gralloc_device;
+ status = gralloc_open(module, &gralloc_device);
+
+ if (status < 0)
+ {
+ return status;
+ }
+
+ private_module_t *m = (private_module_t *)module;
+ status = init_frame_buffer(m);
+
+ if (status < 0)
+ {
+ gralloc_close(gralloc_device);
+ return status;
+ }
+
+ /* initialize our state here */
+ framebuffer_device_t *dev = (framebuffer_device_t*)malloc(sizeof(framebuffer_device_t));
+ memset(dev, 0, sizeof(*dev));
+
+ /* initialize the procs */
+ dev->common.tag = HARDWARE_DEVICE_TAG;
+ dev->common.version = 0;
+ dev->common.module = const_cast<hw_module_t *>(module);
+ dev->common.close = fb_close;
+ dev->setSwapInterval = fb_set_swap_interval;
+ dev->post = fb_post;
+ dev->setUpdateRect = 0;
+ dev->compositionComplete = &compositionComplete;
+
+ int stride = m->finfo.line_length / (m->info.bits_per_pixel >> 3);
+ const_cast<uint32_t &>(dev->flags) = 0;
+ const_cast<uint32_t &>(dev->width) = m->info.xres;
+ const_cast<uint32_t &>(dev->height) = m->info.yres;
+ const_cast<int &>(dev->stride) = stride;
+#ifdef GRALLOC_16_BITS
+ const_cast<int &>(dev->format) = HAL_PIXEL_FORMAT_RGB_565;
+#else
+ const_cast<int &>(dev->format) = HAL_PIXEL_FORMAT_RGBA_8888;
+#endif
+ const_cast<float &>(dev->xdpi) = m->xdpi;
+ const_cast<float &>(dev->ydpi) = m->ydpi;
+ const_cast<float &>(dev->fps) = m->fps;
+ const_cast<int &>(dev->minSwapInterval) = 0;
+ const_cast<int &>(dev->maxSwapInterval) = 1;
+ *device = &dev->common;
+ status = 0;
+
+ MALI_IGNORE(name);
+ return status;
+}
diff --git a/gralloc/framebuffer_device.h b/gralloc/framebuffer_device.h
new file mode 100644
index 0000000..528e65c
--- /dev/null
+++ b/gralloc/framebuffer_device.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2010 ARM Limited. All rights reserved.
+ *
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * 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 <hardware/hardware.h>
+
+// Create a framebuffer device
+int framebuffer_device_open(hw_module_t const *module, const char *name, hw_device_t **device);
+
+// Initialize the framebuffer (must keep module lock before calling
+int init_frame_buffer_locked(struct private_module_t *module);
diff --git a/gralloc/gralloc_helper.h b/gralloc/gralloc_helper.h
new file mode 100644
index 0000000..c8378f8
--- /dev/null
+++ b/gralloc/gralloc_helper.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2010 ARM Limited. All rights reserved.
+ *
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * 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.
+ */
+
+#ifndef GRALLOC_HELPER_H_
+#define GRALLOC_HELPER_H_
+
+#include <sys/mman.h>
+
+inline size_t round_up_to_page_size(size_t x)
+{
+ return (x + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
+}
+
+#endif /* GRALLOC_HELPER_H_ */
diff --git a/gralloc/gralloc_module.cpp b/gralloc/gralloc_module.cpp
new file mode 100644
index 0000000..6dcba15
--- /dev/null
+++ b/gralloc/gralloc_module.cpp
@@ -0,0 +1,385 @@
+/*
+ * Copyright (C) 2010 ARM Limited. All rights reserved.
+ *
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * 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 <errno.h>
+#include <pthread.h>
+
+#include <cutils/log.h>
+#include <cutils/atomic.h>
+#include <hardware/hardware.h>
+#include <hardware/gralloc.h>
+
+#include "gralloc_priv.h"
+#include "alloc_device.h"
+#include "framebuffer_device.h"
+
+#if GRALLOC_ARM_UMP_MODULE
+#include <ump/ump_ref_drv.h>
+static int s_ump_is_open = 0;
+#endif
+
+#if GRALLOC_ARM_DMA_BUF_MODULE
+#include <linux/ion.h>
+#include <ion/ion.h>
+#include <sys/mman.h>
+#endif
+
+static pthread_mutex_t s_map_lock = PTHREAD_MUTEX_INITIALIZER;
+
+static int gralloc_device_open(const hw_module_t *module, const char *name, hw_device_t **device)
+{
+ int status = -EINVAL;
+
+ if (!strncmp(name, GRALLOC_HARDWARE_GPU0, MALI_GRALLOC_HARDWARE_MAX_STR_LEN))
+ {
+ status = alloc_device_open(module, name, device);
+ }
+ else if (!strncmp(name, GRALLOC_HARDWARE_FB0, MALI_GRALLOC_HARDWARE_MAX_STR_LEN))
+ {
+ status = framebuffer_device_open(module, name, device);
+ }
+
+ return status;
+}
+
+static int gralloc_register_buffer(gralloc_module_t const *module, buffer_handle_t handle)
+{
+ MALI_IGNORE(module);
+
+ if (private_handle_t::validate(handle) < 0)
+ {
+ AERR("Registering invalid buffer 0x%p, returning error", handle);
+ return -EINVAL;
+ }
+
+ // if this handle was created in this process, then we keep it as is.
+ private_handle_t *hnd = (private_handle_t *)handle;
+
+ int retval = -EINVAL;
+
+ pthread_mutex_lock(&s_map_lock);
+
+#if GRALLOC_ARM_UMP_MODULE
+
+ if (!s_ump_is_open)
+ {
+ ump_result res = ump_open(); // MJOLL-4012: UMP implementation needs a ump_close() for each ump_open
+
+ if (res != UMP_OK)
+ {
+ pthread_mutex_unlock(&s_map_lock);
+ AERR("Failed to open UMP library with res=%d", res);
+ return retval;
+ }
+
+ s_ump_is_open = 1;
+ }
+
+#endif
+
+ hnd->pid = getpid();
+
+ if (hnd->flags & private_handle_t::PRIV_FLAGS_FRAMEBUFFER)
+ {
+ AERR("Can't register buffer 0x%p as it is a framebuffer", handle);
+ }
+ else if (hnd->flags & private_handle_t::PRIV_FLAGS_USES_UMP)
+ {
+#if GRALLOC_ARM_UMP_MODULE
+ hnd->ump_mem_handle = (int)ump_handle_create_from_secure_id(hnd->ump_id);
+
+ if (UMP_INVALID_MEMORY_HANDLE != (ump_handle)hnd->ump_mem_handle)
+ {
+ hnd->base = ump_mapped_pointer_get((ump_handle)hnd->ump_mem_handle);
+
+ if (0 != hnd->base)
+ {
+ hnd->lockState = private_handle_t::LOCK_STATE_MAPPED;
+ hnd->writeOwner = 0;
+ hnd->lockState = 0;
+
+ pthread_mutex_unlock(&s_map_lock);
+ return 0;
+ }
+ else
+ {
+ AERR("Failed to map UMP handle 0x%x", hnd->ump_mem_handle);
+ }
+
+ ump_reference_release((ump_handle)hnd->ump_mem_handle);
+ }
+ else
+ {
+ AERR("Failed to create UMP handle 0x%x", hnd->ump_mem_handle);
+ }
+
+#else
+ AERR("Gralloc does not support UMP. Unable to register UMP memory for handle 0x%p", hnd);
+#endif
+ }
+ else if (hnd->flags & private_handle_t::PRIV_FLAGS_USES_ION)
+ {
+#if GRALLOC_ARM_DMA_BUF_MODULE
+ int ret;
+ unsigned char *mappedAddress;
+ size_t size = hnd->size;
+ hw_module_t *pmodule = NULL;
+ private_module_t *m = NULL;
+
+ if (hw_get_module(GRALLOC_HARDWARE_MODULE_ID, (const hw_module_t **)&pmodule) == 0)
+ {
+ m = reinterpret_cast<private_module_t *>(pmodule);
+ }
+ else
+ {
+ AERR("Could not get gralloc module for handle: 0x%p", hnd);
+ retval = -errno;
+ goto cleanup;
+ }
+
+ /* the test condition is set to m->ion_client <= 0 here, because:
+ * 1) module structure are initialized to 0 if no initial value is applied
+ * 2) a second user process should get a ion fd greater than 0.
+ */
+ if (m->ion_client <= 0)
+ {
+ /* a second user process must obtain a client handle first via ion_open before it can obtain the shared ion buffer*/
+ m->ion_client = ion_open();
+
+ if (m->ion_client < 0)
+ {
+ AERR("Could not open ion device for handle: 0x%p", hnd);
+ retval = -errno;
+ goto cleanup;
+ }
+ }
+
+ mappedAddress = (unsigned char *)mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, hnd->share_fd, 0);
+
+ if (MAP_FAILED == mappedAddress)
+ {
+ AERR("mmap( share_fd:%d ) failed with %s", hnd->share_fd, strerror(errno));
+ retval = -errno;
+ goto cleanup;
+ }
+
+ hnd->base = mappedAddress + hnd->offset;
+ pthread_mutex_unlock(&s_map_lock);
+ return 0;
+#endif
+ }
+ else
+ {
+ AERR("registering non-UMP buffer not supported. flags = %d", hnd->flags);
+ }
+
+cleanup:
+ pthread_mutex_unlock(&s_map_lock);
+ return retval;
+}
+
+static int gralloc_unregister_buffer(gralloc_module_t const *module, buffer_handle_t handle)
+{
+ MALI_IGNORE(module);
+
+ if (private_handle_t::validate(handle) < 0)
+ {
+ AERR("unregistering invalid buffer 0x%p, returning error", handle);
+ return -EINVAL;
+ }
+
+ private_handle_t *hnd = (private_handle_t *)handle;
+
+ AERR_IF(hnd->lockState & private_handle_t::LOCK_STATE_READ_MASK, "[unregister] handle %p still locked (state=%08x)", hnd, hnd->lockState);
+
+ if (hnd->flags & private_handle_t::PRIV_FLAGS_FRAMEBUFFER)
+ {
+ AERR("Can't unregister buffer 0x%p as it is a framebuffer", handle);
+ }
+ else if (hnd->pid == getpid()) // never unmap buffers that were not registered in this process
+ {
+ pthread_mutex_lock(&s_map_lock);
+
+ if (hnd->flags & private_handle_t::PRIV_FLAGS_USES_UMP)
+ {
+#if GRALLOC_ARM_UMP_MODULE
+ ump_mapped_pointer_release((ump_handle)hnd->ump_mem_handle);
+ ump_reference_release((ump_handle)hnd->ump_mem_handle);
+ hnd->ump_mem_handle = (int)UMP_INVALID_MEMORY_HANDLE;
+#else
+ AERR("Can't unregister UMP buffer for handle 0x%p. Not supported", handle);
+#endif
+ }
+ else if (hnd->flags & private_handle_t::PRIV_FLAGS_USES_ION)
+ {
+#if GRALLOC_ARM_DMA_BUF_MODULE
+ void *base = (void *)hnd->base;
+ size_t size = hnd->size;
+
+ if (munmap(base, size) < 0)
+ {
+ AERR("Could not munmap base:0x%p size:%lu '%s'", base, (unsigned long)size, strerror(errno));
+ }
+
+#else
+ AERR("Can't unregister DMA_BUF buffer for hnd %p. Not supported", hnd);
+#endif
+
+ }
+ else
+ {
+ AERR("Unregistering unknown buffer is not supported. Flags = %d", hnd->flags);
+ }
+
+ hnd->base = 0;
+ hnd->lockState = 0;
+ hnd->writeOwner = 0;
+
+ pthread_mutex_unlock(&s_map_lock);
+ }
+ else
+ {
+ AERR("Trying to unregister buffer 0x%p from process %d that was not created in current process: %d", hnd, hnd->pid, getpid());
+ }
+
+ return 0;
+}
+
+static int gralloc_lock(gralloc_module_t const *module, buffer_handle_t handle, int usage, int l, int t, int w, int h, void **vaddr)
+{
+ if (private_handle_t::validate(handle) < 0)
+ {
+ AERR("Locking invalid buffer 0x%p, returning error", handle);
+ return -EINVAL;
+ }
+
+ private_handle_t *hnd = (private_handle_t *)handle;
+
+ if (hnd->flags & private_handle_t::PRIV_FLAGS_USES_UMP || hnd->flags & private_handle_t::PRIV_FLAGS_USES_ION)
+ {
+ hnd->writeOwner = usage & GRALLOC_USAGE_SW_WRITE_MASK;
+ }
+
+ if (usage & (GRALLOC_USAGE_SW_READ_MASK | GRALLOC_USAGE_SW_WRITE_MASK))
+ {
+ *vaddr = (void *)hnd->base;
+ }
+
+ MALI_IGNORE(module);
+ MALI_IGNORE(l);
+ MALI_IGNORE(t);
+ MALI_IGNORE(w);
+ MALI_IGNORE(h);
+ return 0;
+}
+
+static int gralloc_unlock(gralloc_module_t const *module, buffer_handle_t handle)
+{
+ MALI_IGNORE(module);
+
+ if (private_handle_t::validate(handle) < 0)
+ {
+ AERR("Unlocking invalid buffer 0x%p, returning error", handle);
+ return -EINVAL;
+ }
+
+ private_handle_t *hnd = (private_handle_t *)handle;
+ int32_t current_value;
+ int32_t new_value;
+ int retry;
+
+ if (hnd->flags & private_handle_t::PRIV_FLAGS_USES_UMP && hnd->writeOwner)
+ {
+#if GRALLOC_ARM_UMP_MODULE
+ ump_cpu_msync_now((ump_handle)hnd->ump_mem_handle, UMP_MSYNC_CLEAN_AND_INVALIDATE, (void *)hnd->base, hnd->size);
+#else
+ AERR("Buffer 0x%p is UMP type but it is not supported", hnd);
+#endif
+ }
+ else if (hnd->flags & private_handle_t::PRIV_FLAGS_USES_ION && hnd->writeOwner)
+ {
+#if GRALLOC_ARM_DMA_BUF_MODULE
+ hw_module_t *pmodule = NULL;
+ private_module_t *m = NULL;
+
+ if (hw_get_module(GRALLOC_HARDWARE_MODULE_ID, (const hw_module_t **)&pmodule) == 0)
+ {
+ m = reinterpret_cast<private_module_t *>(pmodule);
+ //ion_sync_fd(m->ion_client, hnd->share_fd);
+ }
+ else
+ {
+ AERR("Couldnot get gralloc module for handle 0x%p\n", handle);
+ }
+
+#endif
+ }
+
+ return 0;
+}
+
+// There is one global instance of the module
+
+static struct hw_module_methods_t gralloc_module_methods =
+{
+open:
+ gralloc_device_open
+};
+
+private_module_t::private_module_t()
+{
+#define INIT_ZERO(obj) (memset(&(obj),0,sizeof((obj))))
+
+ base.common.tag = HARDWARE_MODULE_TAG;
+ base.common.version_major = 1;
+ base.common.version_minor = 0;
+ base.common.id = GRALLOC_HARDWARE_MODULE_ID;
+ base.common.name = "Graphics Memory Allocator Module";
+ base.common.author = "ARM Ltd.";
+ base.common.methods = &gralloc_module_methods;
+ base.common.dso = NULL;
+ INIT_ZERO(base.common.reserved);
+
+ base.registerBuffer = gralloc_register_buffer;
+ base.unregisterBuffer = gralloc_unregister_buffer;
+ base.lock = gralloc_lock;
+ base.unlock = gralloc_unlock;
+ base.perform = NULL;
+ INIT_ZERO(base.reserved_proc);
+
+ framebuffer = NULL;
+ flags = 0;
+ numBuffers = 0;
+ bufferMask = 0;
+ pthread_mutex_init(&(lock), NULL);
+ currentBuffer = NULL;
+ INIT_ZERO(info);
+ INIT_ZERO(finfo);
+ xdpi = 0.0f;
+ ydpi = 0.0f;
+ fps = 0.0f;
+
+#undef INIT_ZERO
+};
+
+/*
+ * HAL_MODULE_INFO_SYM will be initialized using the default constructor
+ * implemented above
+ */
+struct private_module_t HAL_MODULE_INFO_SYM;
+
diff --git a/gralloc/gralloc_priv.h b/gralloc/gralloc_priv.h
new file mode 100644
index 0000000..7b33ae2
--- /dev/null
+++ b/gralloc/gralloc_priv.h
@@ -0,0 +1,337 @@
+/*
+ * Copyright (C) 2010 ARM Limited. All rights reserved.
+ *
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * 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.
+ */
+
+#ifndef GRALLOC_PRIV_H_
+#define GRALLOC_PRIV_H_
+
+#include <stdint.h>
+#include <pthread.h>
+#include <errno.h>
+#include <linux/fb.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <hardware/gralloc.h>
+#include <cutils/native_handle.h>
+#include <alloc_device.h>
+#include <utils/Log.h>
+
+#ifdef MALI_600
+#define GRALLOC_ARM_UMP_MODULE 0
+#define GRALLOC_ARM_DMA_BUF_MODULE 1
+#else
+
+/* NOTE:
+ * If your framebuffer device driver is integrated with UMP, you will have to
+ * change this IOCTL definition to reflect your integration with the framebuffer
+ * device.
+ * Expected return value is a UMP secure id backing your framebuffer device memory.
+ */
+
+/*#define IOCTL_GET_FB_UMP_SECURE_ID _IOR('F', 311, unsigned int)*/
+#define GRALLOC_ARM_UMP_MODULE 0
+#define GRALLOC_ARM_DMA_BUF_MODULE 1
+
+/* NOTE:
+ * If your framebuffer device driver is integrated with dma_buf, you will have to
+ * change this IOCTL definition to reflect your integration with the framebuffer
+ * device.
+ * Expected return value is a structure filled with a file descriptor
+ * backing your framebuffer device memory.
+ */
+#if GRALLOC_ARM_DMA_BUF_MODULE
+struct fb_dmabuf_export
+{
+ __u32 fd;
+ __u32 flags;
+};
+/*#define FBIOGET_DMABUF _IOR('F', 0x21, struct fb_dmabuf_export)*/
+
+#if PLATFORM_SDK_VERSION >= 21
+typedef int ion_user_handle_t;
+#define ION_INVALID_HANDLE 0
+#else
+
+typedef struct ion_handle *ion_user_handle_t;
+
+#define ION_INVALID_HANDLE NULL
+#endif /* new libion */
+
+#endif /* GRALLOC_ARM_DMA_BUF_MODULE */
+
+
+#endif
+
+/* the max string size of GRALLOC_HARDWARE_GPU0 & GRALLOC_HARDWARE_FB0
+ * 8 is big enough for "gpu0" & "fb0" currently
+ */
+#define MALI_GRALLOC_HARDWARE_MAX_STR_LEN 8
+#define NUM_FB_BUFFERS 2
+
+#if GRALLOC_ARM_UMP_MODULE
+#include <ump/ump.h>
+#endif
+
+#define MALI_IGNORE(x) (void)x
+typedef enum
+{
+ MALI_YUV_NO_INFO,
+ MALI_YUV_BT601_NARROW,
+ MALI_YUV_BT601_WIDE,
+ MALI_YUV_BT709_NARROW,
+ MALI_YUV_BT709_WIDE,
+} mali_gralloc_yuv_info;
+
+struct private_handle_t;
+
+struct private_module_t
+{
+ gralloc_module_t base;
+
+ private_handle_t *framebuffer;
+ uint32_t flags;
+ uint32_t numBuffers;
+ uint32_t bufferMask;
+ pthread_mutex_t lock;
+ buffer_handle_t currentBuffer;
+ int ion_client;
+
+ struct fb_var_screeninfo info;
+ struct fb_fix_screeninfo finfo;
+ float xdpi;
+ float ydpi;
+ float fps;
+
+ enum
+ {
+ // flag to indicate we'll post this buffer
+ PRIV_USAGE_LOCKED_FOR_POST = 0x80000000
+ };
+
+ /* default constructor */
+ private_module_t();
+};
+
+#ifdef __cplusplus
+struct private_handle_t : public native_handle
+{
+#else
+struct private_handle_t
+{
+ struct native_handle nativeHandle;
+#endif
+
+ enum
+ {
+ PRIV_FLAGS_FRAMEBUFFER = 0x00000001,
+ PRIV_FLAGS_USES_UMP = 0x00000002,
+ PRIV_FLAGS_USES_ION = 0x00000004,
+ };
+
+ enum
+ {
+ LOCK_STATE_WRITE = 1 << 31,
+ LOCK_STATE_MAPPED = 1 << 30,
+ LOCK_STATE_READ_MASK = 0x3FFFFFFF
+ };
+
+ // ints
+#if GRALLOC_ARM_DMA_BUF_MODULE
+ /*shared file descriptor for dma_buf sharing*/
+ int share_fd;
+#endif
+ int magic;
+ int flags;
+ int usage;
+ int size;
+ int width;
+ int height;
+ int format;
+ int stride;
+ union
+ {
+ void *base;
+ uint64_t padding;
+ };
+ int lockState;
+ int writeOwner;
+ int pid;
+
+ mali_gralloc_yuv_info yuv_info;
+
+ // Following members are for UMP memory only
+#if GRALLOC_ARM_UMP_MODULE
+ int ump_id;
+ int ump_mem_handle;
+#endif
+
+ // Following members is for framebuffer only
+ int fd;
+ int offset;
+
+#if GRALLOC_ARM_DMA_BUF_MODULE
+ ion_user_handle_t ion_hnd;
+#endif
+
+#if GRALLOC_ARM_DMA_BUF_MODULE
+#define GRALLOC_ARM_NUM_FDS 1
+#else
+#define GRALLOC_ARM_NUM_FDS 0
+#endif
+
+#ifdef __cplusplus
+ static const int sNumFds = GRALLOC_ARM_NUM_FDS;
+ static const int sMagic = 0x3141592;
+
+#if GRALLOC_ARM_UMP_MODULE
+ private_handle_t(int flags, int usage, int size, void *base, int lock_state, ump_secure_id secure_id, ump_handle handle):
+#if GRALLOC_ARM_DMA_BUF_MODULE
+ share_fd(-1),
+#endif
+ magic(sMagic),
+ flags(flags),
+ usage(usage),
+ size(size),
+ width(0),
+ height(0),
+ format(0),
+ stride(0),
+ base(base),
+ lockState(lock_state),
+ writeOwner(0),
+ pid(getpid()),
+ yuv_info(MALI_YUV_NO_INFO),
+ ump_id((int)secure_id),
+ ump_mem_handle((int)handle),
+ fd(0),
+ offset(0)
+#if GRALLOC_ARM_DMA_BUF_MODULE
+ ,
+ ion_hnd(ION_INVALID_HANDLE)
+#endif
+
+ {
+ version = sizeof(native_handle);
+ numFds = sNumFds;
+ numInts = (sizeof(private_handle_t) - sizeof(native_handle)) / sizeof(int) - sNumFds;
+ }
+#endif
+
+#if GRALLOC_ARM_DMA_BUF_MODULE
+ private_handle_t(int flags, int usage, int size, void *base, int lock_state):
+ share_fd(-1),
+ magic(sMagic),
+ flags(flags),
+ usage(usage),
+ size(size),
+ width(0),
+ height(0),
+ format(0),
+ stride(0),
+ base(base),
+ lockState(lock_state),
+ writeOwner(0),
+ pid(getpid()),
+ yuv_info(MALI_YUV_NO_INFO),
+#if GRALLOC_ARM_UMP_MODULE
+ ump_id((int)UMP_INVALID_SECURE_ID),
+ ump_mem_handle((int)UMP_INVALID_MEMORY_HANDLE),
+#endif
+ fd(0),
+ offset(0),
+ ion_hnd(ION_INVALID_HANDLE)
+
+ {
+ version = sizeof(native_handle);
+ numFds = sNumFds;
+ numInts = (sizeof(private_handle_t) - sizeof(native_handle)) / sizeof(int) - sNumFds;
+ }
+
+#endif
+
+ private_handle_t(int flags, int usage, int size, void *base, int lock_state, int fb_file, int fb_offset):
+#if GRALLOC_ARM_DMA_BUF_MODULE
+ share_fd(-1),
+#endif
+ magic(sMagic),
+ flags(flags),
+ usage(usage),
+ size(size),
+ width(0),
+ height(0),
+ format(0),
+ stride(0),
+ base(base),
+ lockState(lock_state),
+ writeOwner(0),
+ pid(getpid()),
+ yuv_info(MALI_YUV_NO_INFO),
+#if GRALLOC_ARM_UMP_MODULE
+ ump_id((int)UMP_INVALID_SECURE_ID),
+ ump_mem_handle((int)UMP_INVALID_MEMORY_HANDLE),
+#endif
+ fd(fb_file),
+ offset(fb_offset)
+#if GRALLOC_ARM_DMA_BUF_MODULE
+ ,
+ ion_hnd(ION_INVALID_HANDLE)
+#endif
+
+ {
+ version = sizeof(native_handle);
+ numFds = sNumFds;
+ numInts = (sizeof(private_handle_t) - sizeof(native_handle)) / sizeof(int) - sNumFds;
+ }
+
+ ~private_handle_t()
+ {
+ magic = 0;
+ }
+
+ bool usesPhysicallyContiguousMemory()
+ {
+ return (flags & PRIV_FLAGS_FRAMEBUFFER) ? true : false;
+ }
+
+ static int validate(const native_handle *h)
+ {
+ const private_handle_t *hnd = (const private_handle_t *)h;
+
+ if (!h || h->version != sizeof(native_handle) || h->numFds != sNumFds ||
+ h->numInts != (sizeof(private_handle_t) - sizeof(native_handle)) / sizeof(int) - sNumFds ||
+ hnd->magic != sMagic)
+ {
+ return -EINVAL;
+ }
+
+ return 0;
+ }
+
+ static private_handle_t *dynamicCast(const native_handle *in)
+ {
+ if (validate(in) == 0)
+ {
+ return (private_handle_t *) in;
+ }
+
+ return NULL;
+ }
+#endif
+};
+
+#endif /* GRALLOC_PRIV_H_ */
diff --git a/gralloc/gralloc_vsync_report.h b/gralloc/gralloc_vsync_report.h
new file mode 100644
index 0000000..fde0f2d
--- /dev/null
+++ b/gralloc/gralloc_vsync_report.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2011 ARM Limited. All rights reserved.
+ *
+ * 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.
+ */
+
+#ifndef GRALLOC_VSYNC_REPORT_H_
+#define GRALLOC_VSYNC_REPORT_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+typedef enum mali_vsync_event
+{
+ MALI_VSYNC_EVENT_BEGIN_WAIT = 0,
+ MALI_VSYNC_EVENT_END_WAIT
+} mali_vsync_event;
+
+extern void _mali_base_arch_vsync_event_report(mali_vsync_event);
+
+inline void gralloc_mali_vsync_report(mali_vsync_event event)
+{
+ _mali_base_arch_vsync_event_report(event);
+}
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* GRALLOC_VSYNC_REPORT_H_ */