97 lines
2.2 KiB
C++
97 lines
2.2 KiB
C++
/*
|
|
* \brief Framebuffer driver for Raspberry Pi
|
|
* \author Norman Feske
|
|
* \date 2013-09-14
|
|
*/
|
|
|
|
/*
|
|
* Copyright (C) 2013 Genode Labs GmbH
|
|
*
|
|
* This file is part of the Genode OS framework, which is distributed
|
|
* under the terms of the GNU General Public License version 2.
|
|
*/
|
|
|
|
/* Genode includes */
|
|
#include <os/attached_io_mem_dataspace.h>
|
|
#include <os/static_root.h>
|
|
#include <cap_session/connection.h>
|
|
#include <base/sleep.h>
|
|
#include <framebuffer_session/framebuffer_session.h>
|
|
#include <base/rpc_server.h>
|
|
#include <platform_session/connection.h>
|
|
|
|
namespace Framebuffer {
|
|
using namespace Genode;
|
|
class Session_component;
|
|
};
|
|
|
|
|
|
class Framebuffer::Session_component : public Genode::Rpc_object<Framebuffer::Session>
|
|
{
|
|
private:
|
|
|
|
size_t const _width;
|
|
size_t const _height;
|
|
Attached_io_mem_dataspace _fb_mem;
|
|
|
|
public:
|
|
|
|
Session_component(addr_t phys_addr, size_t size, size_t width, size_t height)
|
|
:
|
|
_width(width), _height(height), _fb_mem(phys_addr, size)
|
|
{ }
|
|
|
|
/************************************
|
|
** Framebuffer::Session interface **
|
|
************************************/
|
|
|
|
Dataspace_capability dataspace() { return _fb_mem.cap(); }
|
|
|
|
Mode mode() const
|
|
{
|
|
return Mode(_width, _height, Mode::RGB565);
|
|
}
|
|
|
|
void mode_sigh(Genode::Signal_context_capability) { }
|
|
|
|
void refresh(int, int, int, int) { }
|
|
};
|
|
|
|
|
|
int main(int, char **)
|
|
{
|
|
using namespace Framebuffer;
|
|
using namespace Genode;
|
|
|
|
printf("--- fb_drv started ---\n");
|
|
|
|
static Platform::Connection platform;
|
|
|
|
Platform::Framebuffer_info fb_info(1024, 768, 16);
|
|
platform.setup_framebuffer(fb_info);
|
|
|
|
/*
|
|
* Initialize server entry point
|
|
*/
|
|
enum { STACK_SIZE = 4096 };
|
|
static Cap_connection cap;
|
|
static Rpc_entrypoint ep(&cap, STACK_SIZE, "fb_ep");
|
|
|
|
/*
|
|
* Let the entry point serve the framebuffer session and root interfaces
|
|
*/
|
|
static Session_component fb_session(fb_info.addr,
|
|
fb_info.size,
|
|
fb_info.phys_width,
|
|
fb_info.phys_height);
|
|
static Static_root<Framebuffer::Session> fb_root(ep.manage(&fb_session));
|
|
|
|
/*
|
|
* Announce service
|
|
*/
|
|
env()->parent()->announce(ep.manage(&fb_root));
|
|
|
|
sleep_forever();
|
|
return 0;
|
|
}
|