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/*
* Copyright 2011, Havlena Petr <havlenapetr@gmail.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.
*/
#define LOG_NDEBUG 0
#include <cutils/log.h>
#include <stdint.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/types.h>
#include <linux/fb.h>
#include "hardware/hdmi.h"
#include "SecHDMI.h"
using namespace android;
#define RETURN_EINVAL_IF(hw) \
if(!hw) { \
ALOGE("%s: %i - Can't obtain hw driver!", __func__, __LINE__); \
return -EINVAL; \
}
struct sec_hdmi_device_t {
hdmi_device_t base;
/* Sec specific "private" data can go here (base.priv) */
SecHDMI* hw;
int lcd_width;
int lcd_height;
};
static SecHDMI* sec_obtain_hw(struct hdmi_device_t* device)
{
if(!device) {
ALOGE("Can't obtain hdmi base device!");
return NULL;
}
struct sec_hdmi_device_t* dev =
(struct sec_hdmi_device_t *) device;
if(!dev) {
ALOGE("Can't obtain SEC hdmi device!");
return NULL;
}
return dev->hw;
}
static int hdmi_connect(struct hdmi_device_t* dev)
{
ALOGV("connect is called");
SecHDMI* hw = sec_obtain_hw(dev);
RETURN_EINVAL_IF(hw);
return hw->connect();
}
static int hdmi_disconnect(struct hdmi_device_t* dev)
{
ALOGV("disconnect is called");
SecHDMI* hw = sec_obtain_hw(dev);
RETURN_EINVAL_IF(hw);
return hw->disconnect();
}
static int hdmi_clear(struct hdmi_device_t* dev, int hdmiLayer)
{
ALOGV("clear is called");
SecHDMI* hw = sec_obtain_hw(dev);
RETURN_EINVAL_IF(hw);
return 0/*hw->clear(hdmiLayer) ? 0 : -1*/;
}
static int hdmi_blit(struct hdmi_device_t* dev, int srcW, int srcH, int srcColorFormat,
uint32_t srcYAddr, uint32_t srcCbAddr, uint32_t srcCrAddr,
int dstX, int dstY,
int layer,
int num_of_hwc_layer)
{
ALOGV("blit is called");
SecHDMI* hw = sec_obtain_hw(dev);
RETURN_EINVAL_IF(hw);
return hw->flush(srcW, srcH, srcColorFormat, srcYAddr, srcCbAddr, srcCrAddr,
dstX, dstY, layer, num_of_hwc_layer);
}
static int hdmi_close(struct hdmi_device_t *dev)
{
ALOGV("close is called");
if (!dev) {
return 0;
}
SecHDMI* hw = sec_obtain_hw(dev);
if(hw) {
hw->destroy();
delete hw;
}
free(dev);
return 0;
}
static int hdmi_get_lcd_size(int* width, int* height)
{
char const * const device_template[] = {
"/dev/graphics/fb%u",
"/dev/fb%u",
0 };
int fd = -1;
char name[64];
for(int i = 0; fd < 0 && device_template[i]; i++) {
snprintf(name, 64, device_template[i], 0);
fd = open(name, O_RDWR, 0);
}
if (fd < 0) {
return -1;
}
struct fb_var_screeninfo info;
if (ioctl(fd, FBIOGET_VSCREENINFO, &info) < 0) {
close(fd);
return -2;
}
*width = info.xres;
*height = info.yres;
close(fd);
return 0;
}
static int hdmi_open(const struct hw_module_t *module, char const *name,
struct hw_device_t **device)
{
int lcdWidth, lcdHeight;
ALOGV("open: open with %s", name);
if (strcmp("hdmi-test", name) &&
strcmp("hdmi-service", name) &&
strcmp("hdmi-composer", name)) {
return -EINVAL;
}
if(hdmi_get_lcd_size(&lcdWidth, &lcdHeight) < 0) {
return -EINVAL;
}
struct sec_hdmi_device_t *hdmi_dev =
(struct sec_hdmi_device_t *) malloc(sizeof(struct sec_hdmi_device_t));
if(!hdmi_dev) {
return -ENOMEM;
}
memset(hdmi_dev, 0, sizeof(*hdmi_dev));
hdmi_dev->base.common.tag = HARDWARE_DEVICE_TAG;
hdmi_dev->base.common.version = 0;
hdmi_dev->base.common.module = (struct hw_module_t *)module;
hdmi_dev->base.common.close = (int (*)(struct hw_device_t *))hdmi_close;
hdmi_dev->base.connect = hdmi_connect;
hdmi_dev->base.disconnect = hdmi_disconnect;
hdmi_dev->base.clear = hdmi_clear;
hdmi_dev->base.blit = hdmi_blit;
hdmi_dev->lcd_width = lcdWidth;
hdmi_dev->lcd_height = lcdHeight;
*device = &hdmi_dev->base.common;
hdmi_dev->hw = new SecHDMI();
if(hdmi_dev->hw->create(lcdWidth, lcdHeight) < 0) {
hdmi_close((hdmi_device_t *)hdmi_dev);
return -EINVAL;
}
ALOGI("initzialized for lcd size: %dx%d", lcdWidth, lcdHeight);
return 0;
}
static struct hw_module_methods_t hal_module_methods = {
open: hdmi_open,
};
extern "C" {
struct hw_module_t HAL_MODULE_INFO_SYM = {
tag: HARDWARE_MODULE_TAG,
version_major: 1,
version_minor: 0,
id: HDMI_HARDWARE_MODULE_ID,
name: "Samsung S5PC11X hdmi module",
author: "Havlena Petr <havlenapetr@gmail.com>",
methods: &hal_module_methods,
};
}
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