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android_hardware_samsung/exynos4/hal/libgralloc_ump/alloc_device.cpp

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/*
* Copyright (C) 2010 ARM Limited. All rights reserved.
*
* Portions of this code have been modified from the original.
* These modifications are:
* * includes
* * gralloc_alloc_buffer()
* * gralloc_alloc_framebuffer_locked()
* * gralloc_alloc_framebuffer()
* * alloc_device_alloc()
* * alloc_device_free()
* * alloc_device_close()
* * alloc_device_open()
*
* 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.
*/
//#define LOG_NDEBUG 0
#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 "sec_format.h"
#include "graphics.h"
#include "gralloc_priv.h"
#include "gralloc_helper.h"
#include "framebuffer_device.h"
#include "ump.h"
#include "ump_ref_drv.h"
#include "secion.h"
/*****************************************************************************/
#include <limits.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <pthread.h>
#include <stdlib.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include "format.h"
#include "videodev2.h"
#include "s5p_fimc.h"
#ifdef SAMSUNG_EXYNOS4x12
#define PFX_NODE_FIMC0 "/dev/video0"
#define PFX_NODE_FIMC1 "/dev/video3"
#endif
#ifdef SAMSUNG_EXYNOS4210
#define PFX_NODE_FIMC0 "/dev/video0"
#define PFX_NODE_FIMC1 "/dev/video1"
#endif
#ifndef OMX_COLOR_FormatYUV420Planar
#define OMX_COLOR_FormatYUV420Planar 0x13
#endif
#ifndef OMX_COLOR_FormatYUV420SemiPlanar
#define OMX_COLOR_FormatYUV420SemiPlanar 0x15
#endif
bool ion_dev_open = true;
static pthread_mutex_t l_surface= PTHREAD_MUTEX_INITIALIZER;
static int buffer_offset = 0;
static unsigned int gReservedMemAddr = 0;
static int gReservedMemSize = 0;
static int gFimc1Fd = 0;
#ifdef USE_PARTIAL_FLUSH
extern struct private_handle_rect *rect_list;
extern private_handle_rect *find_rect(int secure_id);
extern private_handle_rect *find_last_rect(int secure_id);
extern int release_rect(int secure_id);
extern int count_rect(int secure_id);
extern void dump_rect();
extern void insert_rect_first(private_handle_rect *new_rect);
extern void insert_rect_last(private_handle_rect *new_rect);
#endif
extern int get_bpp(int format);
#define EXYNOS4_ALIGN( value, base ) (((value) + ((base) - 1)) & ~((base) - 1))
int gralloc_alloc_fimc1(size_t size, int usage,
buffer_handle_t* pHandle, int w, int h,
int format, int bpp, int stride_raw, int stride) {
char node[20];
int ret;
int offset=0;
struct v4l2_control vc;
struct v4l2_format fmt;
int rc;
int fd;
int lock_state=0;
private_handle_t* hnd;
unsigned int current_address = 0;
if (gReservedMemAddr == 0) {
sprintf(node, "%s", PFX_NODE_FIMC0);
fd = open(node, O_RDWR);
if (fd < 0) {
ALOGE("%s:: %s Post processor open error\n", __func__, node);
return false;
}
fmt.type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
rc = ioctl(fd, VIDIOC_G_FMT, &fmt);
if (rc < 0) {
ALOGE("%s:: %s VIDIOC_G_FMT error\n", __func__, node);
return false;
}
vc.id = V4L2_CID_RESERVED_MEM_BASE_ADDR;
vc.value = 0;
ret = ioctl(fd, VIDIOC_G_CTRL, &vc);
if (ret < 0) {
ALOGE("%s Error in video VIDIOC_G_CTRL - V4L2_CID_RESERVED_MEM_BASE_ADDR (%d)\n", __func__, ret);
return false;
}
gReservedMemAddr = (unsigned int)vc.value;
vc.id = V4L2_CID_RESERVED_MEM_SIZE;
vc.value = 0;
ret = ioctl(fd, VIDIOC_G_CTRL, &vc);
if (ret < 0) {
ALOGE("%s Error in video VIDIOC_G_CTRL - V4L2_CID_RESERVED_MEM_SIZE (%d)\n", __func__, ret);
return false;
}
gReservedMemSize = vc.value;
if (gReservedMemSize == 0) {
ALOGE("%s Error in video VIDIOC_G_CTRL - V4L2_CID_RESERVED_MEM_SIZE is 0\n", __func__);
return false;
}
if (gReservedMemSize >= 4096) {
gReservedMemAddr += ((gReservedMemSize - 4096) * 1024);
gReservedMemSize = 4096;
}
close(fd);
if (gFimc1Fd == 0) {
sprintf(node, "%s", PFX_NODE_FIMC1);
gFimc1Fd = open(node, O_RDWR);
if (gFimc1Fd < 0) {
ALOGE("%s:: %s Post processor open error\n", __func__, node);
return false;
}
} // fimc3 setup
} // fimc1 setup
if ((unsigned int) (buffer_offset + size) >= (unsigned int) (gReservedMemSize * 1024))
buffer_offset = 0;
current_address = gReservedMemAddr + buffer_offset;
if ( (usage < 0 || usage & (GRALLOC_USAGE_HWC_HWOVERLAY | GRALLOC_USAGE_HW_FIMC1)) &&
(format == (int)HAL_PIXEL_FORMAT_RGBA_8888 || format == (int)HAL_PIXEL_FORMAT_RGB_565) ) {
if (usage & GRALLOC_USAGE_PRIVATE_NONECACHE) {
hnd = new private_handle_t(private_handle_t::PRIV_FLAGS_NONE_CACHED | private_handle_t::PRIV_FLAGS_USES_HDMI,
size, 0, private_handle_t::LOCK_STATE_MAPPED, 0, 0);
} else {
hnd = new private_handle_t(private_handle_t::PRIV_FLAGS_USES_HDMI,
size, 0, private_handle_t::LOCK_STATE_MAPPED, 0, 0);
}
} else {
if (usage & GRALLOC_USAGE_PRIVATE_NONECACHE) {
hnd = new private_handle_t(private_handle_t::PRIV_FLAGS_NONE_CACHED | private_handle_t::PRIV_FLAGS_USES_IOCTL,
size, 0, private_handle_t::LOCK_STATE_MAPPED, 0, 0);
} else {
hnd = new private_handle_t(private_handle_t::PRIV_FLAGS_USES_IOCTL,
size, 0, private_handle_t::LOCK_STATE_MAPPED, 0, 0);
}
}
*pHandle = hnd;
hnd->format = format;
hnd->usage = usage;
hnd->width = w;
hnd->height = h;
hnd->bpp = bpp;
hnd->paddr = current_address;
hnd->yaddr = gReservedMemSize;
hnd->offset = buffer_offset;
hnd->stride = stride;
hnd->fd = gFimc1Fd;
hnd->uoffset = (EXYNOS4_ALIGN((EXYNOS4_ALIGN(hnd->width, 16) * EXYNOS4_ALIGN(hnd->height, 16)), 4096));
hnd->voffset = (EXYNOS4_ALIGN((EXYNOS4_ALIGN((hnd->width >> 1), 16) * EXYNOS4_ALIGN((hnd->height >> 1), 16)), 4096));
buffer_offset += size;
ALOGD_IF(debug_level > 0, "%s hnd=%x paddr=%x yaddr=%x offset=%x", __func__, hnd, current_address, gReservedMemSize, buffer_offset);
return 0;
}
static int gralloc_alloc_ion(alloc_device_t *dev, size_t size, int usage,
int format, ion_buffer *ion_fd, ion_phys_addr_t *ion_paddr,
int *priv_alloc_flag, ump_handle *ump_mem_handle) {
unsigned int ion_flags = 0;
private_module_t* m;
if (!ion_dev_open) {
ALOGE("%s ERROR, failed to open ion", __func__);
return -1;
}
m = reinterpret_cast<private_module_t*>(dev->common.module);
if (usage < 0 || usage & GRALLOC_USAGE_HWC_HWOVERLAY )
{
if ((format == HAL_PIXEL_FORMAT_RGBA_8888) || (format == HAL_PIXEL_FORMAT_RGB_565)) {
*priv_alloc_flag |= (private_handle_t::PRIV_FLAGS_USES_ION | private_handle_t::PRIV_FLAGS_USES_HDMI);
} else {
*priv_alloc_flag |= private_handle_t::PRIV_FLAGS_USES_ION;
}
} else {
*priv_alloc_flag |= private_handle_t::PRIV_FLAGS_USES_ION;
}
if (usage & GRALLOC_USAGE_PRIVATE_NONECACHE) {
*priv_alloc_flag |= private_handle_t::PRIV_FLAGS_NONE_CACHED;
ion_flags = ION_EXYNOS_NONCACHE_MASK | ION_HEAP_EXYNOS_CONTIG_MASK;
} else {
ion_flags = ION_HEAP_EXYNOS_CONTIG_MASK;
}
*ion_fd = ion_alloc(m->ion_client, size, 0, ion_flags);
if (*ion_fd < 0) {
ALOGE("%s Failed to ion_alloc", __func__);
return -1;
}
*ion_paddr = ion_getphys(m->ion_client, *ion_fd);
/* TODO: #ifdef SAMSUNG_EXYNOS_CACHE_UMP here...*/
if (usage & GRALLOC_USAGE_PRIVATE_NONECACHE) {
ALOGD_IF(debug_level > 0, "%s FIMC1 none", __func__);
*ump_mem_handle = ump_ref_drv_ion_import(*ion_fd, UMP_REF_DRV_CONSTRAINT_NONE);
} else {
ALOGD_IF(debug_level > 0, "%s FIMC1 cached", __func__);
*ump_mem_handle = ump_ref_drv_ion_import(*ion_fd, UMP_REF_DRV_CONSTRAINT_USE_CACHE);
ump_cpu_msync_now((ump_handle)*ump_mem_handle, UMP_MSYNC_CLEAN_AND_INVALIDATE, NULL, 0);
}
return 0;
}
static int gralloc_alloc_buffer(alloc_device_t* dev, size_t size, int usage,
buffer_handle_t* pHandle, int w, int h,
int format, int bpp, int stride_raw, int stride)
{
ump_handle ump_mem_handle;
void *cpu_ptr;
ump_secure_id ump_id;
ion_buffer ion_fd = 0;
ion_phys_addr_t ion_paddr = 0;
int priv_alloc_flag = private_handle_t::PRIV_FLAGS_USES_UMP;
int ret = 0;
ALOGD_IF(debug_level > 0, "%s size=%d usage=0x%x format=0x%x\n", __func__, size, usage, format);
size = round_up_to_page_size(size);
if (usage & GRALLOC_USAGE_HW_FIMC1) {
ALOGD_IF(debug_level > 0, "%s usage = GRALLOC_USAGE_HW_FIMC1", __func__);
return gralloc_alloc_fimc1(size, usage, pHandle, w, h, format, bpp, stride_raw, stride);
}
ret = -1;
#if 0
if (usage & (GRALLOC_USAGE_HW_COMPOSER | GRALLOC_USAGE_HW_ION)) {
ALOGV("%s: Allocating for HWC via ION...", __func__);
// the handle is guaranteed to have this usage flag set
// if it is going to be used as an HWC layer (see hwcomposer.h in hardware/libhardware)
ret = gralloc_alloc_ion(dev, size, usage, format, &ion_fd, &ion_paddr, &priv_alloc_flag, &ump_mem_handle);
} else if (usage & (GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE)) {
ALOGV("%s: Allocating graphicbuffer via ION...", __func__);
priv_alloc_flag = priv_alloc_flag | private_handle_t::PRIV_FLAGS_GRAPHICBUFFER;
ret = gralloc_alloc_ion(dev, size, usage, format, &ion_fd, &ion_paddr, &priv_alloc_flag, &ump_mem_handle);
}
#endif
if (ret < 0) {
// may happen if ion carveout is out of memory, or if the
// handle is not needed for HWC
ALOGV("Falling back to UMP-only allocation...");
priv_alloc_flag = private_handle_t::PRIV_FLAGS_USES_UMP;
#ifdef SAMSUNG_EXYNOS_CACHE_UMP
if ((usage & GRALLOC_USAGE_SW_READ_MASK) == GRALLOC_USAGE_SW_READ_OFTEN) {
ALOGD_IF(debug_level > 0, "%s UMP cached", __func__);
ump_mem_handle = ump_ref_drv_allocate(size, UMP_REF_DRV_CONSTRAINT_USE_CACHE);
ump_cpu_msync_now((ump_handle)ump_mem_handle, UMP_MSYNC_CLEAN_AND_INVALIDATE, NULL, 0);
} else {
ALOGD_IF(debug_level > 0, "%s UMP none", __func__);
ump_mem_handle = ump_ref_drv_allocate(size, UMP_REF_DRV_CONSTRAINT_NONE);
}
#else
ump_mem_handle = ump_ref_drv_allocate(size, UMP_REF_DRV_CONSTRAINT_NONE);
#endif
}
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;
hnd = new private_handle_t(priv_alloc_flag, size, (int)cpu_ptr,
private_handle_t::LOCK_STATE_MAPPED, ump_id, ump_mem_handle, ion_fd < 0 ? 0 : ion_fd, 0, 0);
if (NULL != hnd) {
*pHandle = hnd;
#ifdef USE_PARTIAL_FLUSH
if (hnd->flags & private_handle_t::PRIV_FLAGS_USES_UMP) {
ALOGD_IF(debug_partial_flush > 0,
"%s: PARTIAL_FLUSH ump_id:%d === BEGIN === ump_mem_handle:%08x flags=%x usage=%x count:%d backingstore:%d",
__func__, hnd->ump_id, hnd->ump_mem_handle, hnd->flags, hnd->usage, count_rect(hnd->ump_id), hnd->backing_store);
if (debug_partial_flush > 0)
dump_rect();
private_handle_rect *psRect;
psRect = (private_handle_rect *)calloc(1, sizeof(private_handle_rect));
psRect->handle = (int)hnd->ump_id;
psRect->stride = stride_raw;
ALOGD_IF(debug_partial_flush > 0,
"%s: PARTIAL_FLUSH ump_id:%d === insert_rect_last === ump_mem_handle:%08x flags=%x usage=%x count:%d backingstore:%d",
__func__, hnd->ump_id, hnd->ump_mem_handle, hnd->flags, hnd->usage, count_rect(hnd->ump_id), hnd->backing_store);
insert_rect_last(psRect);
if (debug_partial_flush > 0)
dump_rect();
ALOGD_IF(debug_partial_flush > 0,
"%s: PARTIAL_FLUSH ump_id:%d === END === ump_mem_handle:%08x flags=%x usage=%x count:%d backingstore:%d",
__func__, hnd->ump_id, hnd->ump_mem_handle, hnd->flags, hnd->usage, count_rect(hnd->ump_id), hnd->backing_store);
}
#endif
hnd->backing_store = ump_id;
hnd->format = format;
hnd->usage = usage;
hnd->width = w;
hnd->height = h;
hnd->bpp = bpp;
hnd->stride = stride;
hnd->uoffset = ((EXYNOS4_ALIGN(hnd->width, 16) * EXYNOS4_ALIGN(hnd->height, 16)));
hnd->voffset = ((EXYNOS4_ALIGN((hnd->width / 2), 16) * EXYNOS4_ALIGN((hnd->height / 2), 16)));
hnd->paddr = ion_paddr;
if (ion_fd >= 0)
hnd->ion_memory = ion_map(ion_fd, size, 0);
ALOGD_IF(debug_level > 0, "%s hnd->format=0x%x hnd->uoffset=%d hnd->voffset=%d hnd->paddr=%x hnd->bpp=%d", __func__, hnd->format, hnd->uoffset, hnd->voffset, hnd->paddr, hnd->bpp);
ALOGD_IF(debug_level > 1, "%s: ump_id:%d", __func__, hnd->ump_id);
ALOGD_IF(debug_partial_flush > 0, "%s: PARTIAL_FLUSH ump_id:%d ump_mem_handle:%08x flags=%x usage=%x", __func__, hnd->ump_id, hnd->ump_mem_handle, hnd->flags, hnd->usage);
/*
if (hnd->flags & private_handle_t::PRIV_FLAGS_GRAPHICBUFFER) {
ALOGD_IF(debug_level > 0, "%s: GraphicBuffer (ump_id:%d): ump_reference_add ump_mem_handle:%08x", __func__, ump_id, ump_mem_handle);
ump_reference_add(ump_mem_handle);
}
*/
return 0;
} else {
ALOGE("%s failed to allocate handle", __func__);
}
} else {
ALOGE("%s failed to retrieve valid secure id", __func__);
}
ump_mapped_pointer_release(ump_mem_handle);
} else {
ALOGE("%s failed to map UMP memory", __func__);
}
ump_reference_release(ump_mem_handle);
} else {
ALOGE("%s failed to allocate UMP memory", __func__);
}
return -1;
}
static int gralloc_alloc_framebuffer_locked(alloc_device_t* dev, size_t size, int usage,
buffer_handle_t* pHandle, int w, int h,
int format, int bpp, int stride)
{
ALOGV("%s: size:%d usage:%d w:%d h:%d format:%d bpp:%d ",
__func__, size, usage, w,h, format, bpp);
private_module_t* m = reinterpret_cast<private_module_t*>(dev->common.module);
ALOGD_IF(debug_level > 0, "%s size=0x%x usage=0x%x w=%d h=%d format=0x%x(%d) bpp=%d stride=%d", __func__, size, usage, w, h, format, format, bpp, stride);
/* 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;
ALOGE("%s fallback to single buffering", __func__);
return gralloc_alloc_buffer(dev, bufferSize, newUsage, pHandle, w, h, format, bpp, 0, 0);
}
if (bufferMask >= ((1LU<<numBuffers)-1))
{
// We ran out of buffers.
ALOGE("%s Ran out of buffers",__func__); //wjj added
return -ENOMEM;
}
int current = m->framebuffer->base;
int vaddr = m->finfo.smem_start - current;
int l_paddr = m->finfo.smem_start;
ALOGD_IF(debug_level > 0, "%s current=0x%x vaddr=0x%x l_paddr=0x%x before", __func__, current, vaddr, l_paddr);
/* find a free slot */
for (uint32_t i = 0; i < numBuffers; i++) {
if ((bufferMask & (1LU<<i)) == 0) {
m->bufferMask |= (1LU<<i);
break;
}
current += bufferSize;
l_paddr = vaddr + current;
}
ALOGD_IF(debug_level > 0, "%s current=0x%x vaddr=0x%x l_paddr=0x%x after", __func__, current, vaddr, l_paddr);
/*
* 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, size, current,
0, dup(m->framebuffer->fd), current - m->framebuffer->base);
hnd->format = format;
hnd->usage = usage;
hnd->width = w;
hnd->height = h;
hnd->bpp = bpp;
hnd->backing_store = 0;
hnd->paddr = l_paddr;
hnd->stride = stride;
*pHandle = hnd;
return 0;
}
static int gralloc_alloc_framebuffer(alloc_device_t* dev, size_t size, int usage,
buffer_handle_t* pHandle, int w, int h,
int format, int bpp, int stride)
{
ALOGV("%s: size:%d usage:%d w:%d h:%d format:%d bpp:%d",
__func__, size, usage, w,h, format, bpp);
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, w, h, format, bpp, stride);
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)
{
ALOGV("%s: usage:%d w:%d h:%d format:%d ",
__func__, usage, w,h, format);
int l_usage = usage;
int bpp = 0;
if (!pHandle || !pStride || w < 0 || h < 0)
return -EINVAL;
ALOGD_IF(debug_level > 0, "%s w=%d h=%d format=0x%x usage=0x%x", __func__, w, h, format, usage);
size_t size = 0;
size_t stride = 0;
size_t stride_raw = 0;
if (format == HAL_PIXEL_FORMAT_YCbCr_420_SP ||
format == HAL_PIXEL_FORMAT_YCrCb_420_SP ||
format == HAL_PIXEL_FORMAT_YCbCr_422_SP ||
format == HAL_PIXEL_FORMAT_YCbCr_420_P ||
format == HAL_PIXEL_FORMAT_YV12 ||
format == HAL_PIXEL_FORMAT_CUSTOM_YCrCb_420_SP ||
format == HAL_PIXEL_FORMAT_CUSTOM_YCbCr_420_SP_TILED ||
format == GGL_PIXEL_FORMAT_L_8 ||
format == OMX_COLOR_FormatYUV420Planar ||
format == OMX_COLOR_FormatYUV420SemiPlanar ||
/* TODO: find constants for these literals, it's no problem if they are duplicated */
format == 0x200 ||
format == 0x201 ||
format == 0x202 ||
format == 0x203 ||
format == 0x204 ||
format == 0x205 ||
format == 0x206 ||
format == 0x207 ||
format == 0x208 ||
format == 0x209 ||
format == 0x210 ||
format == 0x211 ||
format == 0x212 ||
format == 0x213 ||
format == 0x214 ||
format == 0x215 ) {
/* FIXME: there is no way to return the vstride */
int vstride = 0;
stride = EXYNOS4_ALIGN(w, 16);
vstride = EXYNOS4_ALIGN(h, 16);
/* take borrowed logic which was deactivated in https://github.com/NamelessRom/android_frameworks_native/commit/4860d41c044e0cff732fbfa13d83af76fc37e1b5 */
if ((format == HAL_PIXEL_FORMAT_YCbCr_420_P) ||
(format == HAL_PIXEL_FORMAT_YCbCr_420_SP) ||
(format == HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED)) {
// 0x101 = HAL_PIXEL_FORMAT_YCbCr_420_P (Samsung-specific pixel format)
// 0x105 = HAL_PIXEL_FORMAT_YCbCr_420_SP (Samsung-specific pixel format)
// 0x107 = HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED (Samsung-specific pixel format)
/* We need at least 0x1802930 for playing video */
if (!(l_usage & GRALLOC_USAGE_HW_ION)) {
l_usage |= GRALLOC_USAGE_HW_ION; // Exynos HWC wants ION-friendly memory allocation
ALOGD("%s added usage GRALLOC_USAGE_HW_ION because of format\n", __func__);
}
if (!(l_usage & GRALLOC_USAGE_PRIVATE_NONECACHE)) {
l_usage |= GRALLOC_USAGE_PRIVATE_NONECACHE; // Exynos HWC wants ION-friendly memory allocation
ALOGD("%s added usage GRALLOC_USAGE_PRIVATE_NONECACHE because of format\n", __func__);
}
if (!(l_usage & GRALLOC_USAGE_SW_WRITE_OFTEN)) {
l_usage |= GRALLOC_USAGE_SW_WRITE_OFTEN; // Exynos HWC wants ION-friendly memory allocation
ALOGD("%s added usage GRALLOC_USAGE_SW_WRITE_OFTEN because of format\n", __func__);
}
}
switch (format) {
case HAL_PIXEL_FORMAT_YV12: //0x32315659
l_usage |= GRALLOC_USAGE_HW_ION;
ALOGD("%s added GRALLOC_USAGE_HW_ION because of YV12", __func__);
case 0x200:
case 0x201:
case 0x202:
case 0x203:
case 0x204:
case 0x205:
case 0x206:
case 0x207:
case 0x208:
case 0x209:
case 0x210:
case 0x211:
case 0x212:
case 0x213:
case 0x214:
case 0x215:
case HAL_PIXEL_FORMAT_CUSTOM_YCrCb_420_SP: //0x111
case HAL_PIXEL_FORMAT_CUSTOM_YCbCr_420_SP_TILED: //0x112
case HAL_PIXEL_FORMAT_YCbCr_420_SP: //0x105
case HAL_PIXEL_FORMAT_YCrCb_420_SP: //0x11
case HAL_PIXEL_FORMAT_YCbCr_420_P: //0x101
//lc_20a4
size = (stride * vstride) + ((EXYNOS4_ALIGN(w/2,16) * EXYNOS4_ALIGN(h/2,16)) * 2);
//stride_raw = l_usage & GRALLOC_USAGE_HW_ION; //It is later overwritten to 0
if (l_usage & GRALLOC_USAGE_HW_ION)
size += (PAGE_SIZE * 2);
break;
case HAL_PIXEL_FORMAT_YCbCr_422_SP: //0x10
size = (stride * vstride) + EXYNOS4_ALIGN(w * h / 2, 2);
break;
case GGL_PIXEL_FORMAT_L_8: //0x9 , defined in system/core/include/pixelflinger/format.h
size = (stride * vstride);
break;
/* These two formats are not in stock XXUUMK6 */
case OMX_COLOR_FormatYUV420Planar: //0x13
case OMX_COLOR_FormatYUV420SemiPlanar: //0x15
size = stride * vstride + EXYNOS4_ALIGN((w / 2), 16) * EXYNOS4_ALIGN((h / 2), 16) * 2;
if (l_usage & GRALLOC_USAGE_HW_ION)
size += PAGE_SIZE * 2;
break;
default:
return -EINVAL;
}
} else {
ALOGD_IF(debug_level > 0, "%s about to get bpp", __func__);
bpp = get_bpp(format);
if (bpp == 0)
return -EINVAL;
stride_raw = EXYNOS4_ALIGN(w*bpp,8);
size = stride_raw * h;
stride = stride_raw / bpp;
}
int err;
pthread_mutex_lock(&l_surface);
if (l_usage & GRALLOC_USAGE_HW_FB)
err = gralloc_alloc_framebuffer(dev, size, l_usage, pHandle, w, h, format, 32, stride);
else
err = gralloc_alloc_buffer(dev, size, l_usage, pHandle, w, h, format, 0, (int)stride_raw, (int)stride);
pthread_mutex_unlock(&l_surface);
if (err < 0)
return err;
*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;
ALOGD_IF(debug_level > 0, "%s",__func__);
private_handle_t const* hnd = reinterpret_cast<private_handle_t const*>(handle);
private_module_t* m = reinterpret_cast<private_module_t*>(dev->common.module);
ALOGD_IF(debug_partial_flush > 0, "%s: PARTIAL_FLUSH ump_id:%d ump_mem_handle:%08x flags=%x usage=%x", __func__, hnd->ump_id, hnd->ump_mem_handle, hnd->flags, hnd->usage);
ALOGD_IF(debug_level > 1, "%s: ump_id:%d", __func__, hnd->ump_id);
pthread_mutex_lock(&l_surface);
if (hnd->flags & private_handle_t::PRIV_FLAGS_GRAPHICBUFFER) {
ALOGD_IF(debug_level > 0, "%s: GraphicBuffer (ump_id:%d): Freeing ump_mem_handle:%08x", __func__, hnd->ump_id, hnd->ump_mem_handle);
}
if (hnd->flags & private_handle_t::PRIV_FLAGS_FRAMEBUFFER) {
/* free this buffer */
const size_t bufferSize = m->finfo.line_length * m->info.yres;
int index = (hnd->base - m->framebuffer->base) / bufferSize;
#ifndef USE_GRALLOC_HIDL
m->bufferMask &= ~(1<<index);
#endif
close(hnd->fd);
} else if (hnd->flags & private_handle_t::PRIV_FLAGS_USES_UMP) {
ALOGD_IF(debug_level > 0, "%s hnd->ump_mem_handle:%08x hnd->ump_id=%d", __func__, hnd->ump_mem_handle, hnd->ump_id);
#ifdef USE_PARTIAL_FLUSH
ALOGD_IF(debug_partial_flush > 0,
"%s: PARTIAL_FLUSH ump_id:%d === BEGIN === ump_mem_handle:%08x flags=%x usage=%x count:%d backingstore:%d",
__func__, hnd->ump_id, hnd->ump_mem_handle, hnd->flags, hnd->usage, count_rect(hnd->ump_id), hnd->backing_store);
if (debug_partial_flush > 0)
dump_rect();
ALOGD_IF(debug_partial_flush > 0,
"%s: PARTIAL_FLUSH ump_id:%d === release_rect === ump_mem_handle:%08x flags=%x usage=%x count:%d backingstore:%d",
__func__, hnd->ump_id, hnd->ump_mem_handle, hnd->flags, hnd->usage, count_rect(hnd->ump_id), hnd->backing_store);
if (!release_rect((int)hnd->ump_id))
ALOGE("%s: PARTIAL_FLUSH secure id: 0x%d, release error", __func__, (int)hnd->ump_id);
if (debug_partial_flush > 0)
dump_rect();
ALOGD_IF(debug_partial_flush > 0,
"%s: PARTIAL_FLUSH ump_id:%d === END === ump_mem_handle:%08x flags=%x usage=%x count:%d backingstore:%d",
__func__, hnd->ump_id, hnd->ump_mem_handle, hnd->flags, hnd->usage, count_rect(hnd->ump_id), hnd->backing_store);
#endif
ump_mapped_pointer_release((ump_handle)hnd->ump_mem_handle);
ump_reference_release((ump_handle)hnd->ump_mem_handle);
}
if (hnd->flags & private_handle_t::PRIV_FLAGS_USES_ION) {
if (hnd->ion_memory != NULL)
munmap(hnd->ion_memory, hnd->size);
ion_free(hnd->fd);
}
pthread_mutex_unlock(&l_surface);
delete hnd;
return 0;
}
static int alloc_device_close(struct hw_device_t *device)
{
ALOGD_IF(debug_level > 0, "%s",__func__);
alloc_device_t* dev = reinterpret_cast<alloc_device_t*>(device);
if (dev) {
private_module_t* m = reinterpret_cast<private_module_t*>(dev->common.module);
if (ion_dev_open)
ion_client_destroy(m->ion_client);
delete dev;
ump_close();
}
return 0;
}
int alloc_device_open(hw_module_t const* module, const char* name __unused, hw_device_t** device)
{
alloc_device_t *dev;
dev = new alloc_device_t;
if (NULL == dev)
return -1;
ALOGD_IF(debug_level > 0, "%s",__func__);
dev->common.module = const_cast<hw_module_t*>(module);
private_module_t* m = reinterpret_cast<private_module_t*>(dev->common.module);
m->ion_client = ion_client_create();
ump_result ump_res = ump_open();
if (0 > m->ion_client)
ion_dev_open = false;
if (UMP_OK != ump_res) {
ALOGE("%s UMP open failed ump_res %d", __func__, ump_res);
delete dev;
return -1;
}
/* 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;
*device = &dev->common;
return 0;
}
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