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Add BCM2835 (Raspberry Pi) framebuffer and mailbox implementations

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This commit is contained in:
Aaron Lindsay
2012-09-30 22:48:44 -04:00
parent 925192fca1
commit af22b6fe46
6 changed files with 237 additions and 6 deletions
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38
include/devices/bcm2835_mailbox.h Normal file
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/*
Copyright (C) 2012, Aaron Lindsay <aaron@aclindsay.com>
This file is part of Aedrix.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef BCM2835_MAILBOX_H
#define BCM2835_MAILBOX_H
#include <types.h>
/* BCM2835 Mailbox Channels */
#define MBOX_PM 0 //Power management interface
#define MBOX_FB 1 //Framebuffer
#define MBOX_VUART 2 //Virtual UART
#define MBOX_YCHIQ 3 //VCHIQ interface
#define MBOX_LEDS 4 //LEDs interface
#define MBOX_BUTTONS 5 //Buttons interface
#define MBOX_TOUCHSCRN 6 //Touch screen interface
uint32 mailbox_read(uint32 channel);
void mailbox_write(uint32 channel, uint32 data);
#endif /* BCM2835_MAILBOX_H */

28
include/devices/bcm2835_videocore.h Normal file
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/*
Copyright (C) 2012, Aaron Lindsay <aaron@aclindsay.com>
This file is part of Aedrix.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <framebuffer.h>
#ifndef BCM2835_VIDEOCORE_H
#define BCM2835_VIDEOCORE_H
int bcm2835_videocore_init(struct fb *f, unsigned int color_depth);
#endif /* BCM2835_VIDEOCORE_H */